🚧 Modify toml,powershell prettier plugin(beta)

frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/badge/badgeservice.ts

@@ -0,0 +1,64 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+/**
+ * Service represents the notifications service
+ * @module
+ */
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Call as $Call, Create as $Create} from "@wailsio/runtime";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as application$0 from "../../application/models.js";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as $models from "./models.js";
+
+/**
+ * RemoveBadge removes the badge label from the application icon.
+ */
+export function RemoveBadge(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2374916939) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceName returns the name of the service.
+ */
+export function ServiceName(): Promise<string> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2428202016) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceShutdown is called when the service is unloaded.
+ */
+export function ServiceShutdown(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3893755233) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceStartup is called when the service is loaded.
+ */
+export function ServiceStartup(options: application$0.ServiceOptions): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(4078800764, options) as any;
+    return $resultPromise;
+}
+
+/**
+ * SetBadge sets the badge label on the application icon.
+ */
+export function SetBadge(label: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(784276339, label) as any;
+    return $resultPromise;
+}
+
+export function SetCustomBadge(label: string, options: $models.Options): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3058653106, label, options) as any;
+    return $resultPromise;
+}

frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/badge/index.ts

@@ -0,0 +1,9 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as BadgeService from "./badgeservice.js";
+export {
+    BadgeService
+};
+
+export * from "./models.js";

frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/badge/models.ts

@@ -0,0 +1,58 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Create as $Create} from "@wailsio/runtime";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as color$0 from "../../../../../../../image/color/models.js";
+
+export class Options {
+    "TextColour": color$0.RGBA;
+    "BackgroundColour": color$0.RGBA;
+    "FontName": string;
+    "FontSize": number;
+    "SmallFontSize": number;
+
+    /** Creates a new Options instance. */
+    constructor($$source: Partial<Options> = {}) {
+        if (!("TextColour" in $$source)) {
+            this["TextColour"] = (new color$0.RGBA());
+        }
+        if (!("BackgroundColour" in $$source)) {
+            this["BackgroundColour"] = (new color$0.RGBA());
+        }
+        if (!("FontName" in $$source)) {
+            this["FontName"] = "";
+        }
+        if (!("FontSize" in $$source)) {
+            this["FontSize"] = 0;
+        }
+        if (!("SmallFontSize" in $$source)) {
+            this["SmallFontSize"] = 0;
+        }
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new Options instance from a string or object.
+     */
+    static createFrom($$source: any = {}): Options {
+        const $$createField0_0 = $$createType0;
+        const $$createField1_0 = $$createType0;
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        if ("TextColour" in $$parsedSource) {
+            $$parsedSource["TextColour"] = $$createField0_0($$parsedSource["TextColour"]);
+        }
+        if ("BackgroundColour" in $$parsedSource) {
+            $$parsedSource["BackgroundColour"] = $$createField1_0($$parsedSource["BackgroundColour"]);
+        }
+        return new Options($$parsedSource as Partial<Options>);
+    }
+}
+
+// Private type creation functions
+const $$createType0 = color$0.RGBA.createFrom;

frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/notifications/index.ts

@@ -0,0 +1,9 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as NotificationService from "./notificationservice.js";
+export {
+    NotificationService
+};
+
+export * from "./models.js";

frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/notifications/models.ts

@@ -0,0 +1,107 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Create as $Create} from "@wailsio/runtime";
+
+/**
+ * NotificationAction represents an action button for a notification.
+ */
+export class NotificationAction {
+    "id"?: string;
+    "title"?: string;
+
+    /**
+     * (macOS-specific)
+     */
+    "destructive"?: boolean;
+
+    /** Creates a new NotificationAction instance. */
+    constructor($$source: Partial<NotificationAction> = {}) {
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new NotificationAction instance from a string or object.
+     */
+    static createFrom($$source: any = {}): NotificationAction {
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        return new NotificationAction($$parsedSource as Partial<NotificationAction>);
+    }
+}
+
+/**
+ * NotificationCategory groups actions for notifications.
+ */
+export class NotificationCategory {
+    "id"?: string;
+    "actions"?: NotificationAction[];
+    "hasReplyField"?: boolean;
+    "replyPlaceholder"?: string;
+    "replyButtonTitle"?: string;
+
+    /** Creates a new NotificationCategory instance. */
+    constructor($$source: Partial<NotificationCategory> = {}) {
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new NotificationCategory instance from a string or object.
+     */
+    static createFrom($$source: any = {}): NotificationCategory {
+        const $$createField1_0 = $$createType1;
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        if ("actions" in $$parsedSource) {
+            $$parsedSource["actions"] = $$createField1_0($$parsedSource["actions"]);
+        }
+        return new NotificationCategory($$parsedSource as Partial<NotificationCategory>);
+    }
+}
+
+/**
+ * NotificationOptions contains configuration for a notification
+ */
+export class NotificationOptions {
+    "id": string;
+    "title": string;
+
+    /**
+     * (macOS and Linux only)
+     */
+    "subtitle"?: string;
+    "body"?: string;
+    "categoryId"?: string;
+    "data"?: { [_: string]: any };
+
+    /** Creates a new NotificationOptions instance. */
+    constructor($$source: Partial<NotificationOptions> = {}) {
+        if (!("id" in $$source)) {
+            this["id"] = "";
+        }
+        if (!("title" in $$source)) {
+            this["title"] = "";
+        }
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new NotificationOptions instance from a string or object.
+     */
+    static createFrom($$source: any = {}): NotificationOptions {
+        const $$createField5_0 = $$createType2;
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        if ("data" in $$parsedSource) {
+            $$parsedSource["data"] = $$createField5_0($$parsedSource["data"]);
+        }
+        return new NotificationOptions($$parsedSource as Partial<NotificationOptions>);
+    }
+}
+
+// Private type creation functions
+const $$createType0 = NotificationAction.createFrom;
+const $$createType1 = $Create.Array($$createType0);
+const $$createType2 = $Create.Map($Create.Any, $Create.Any);

frontend/bindings/github.com/wailsapp/wails/v3/pkg/services/notifications/notificationservice.ts

@@ -0,0 +1,110 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+/**
+ * Service represents the notifications service
+ * @module
+ */
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Call as $Call, Create as $Create} from "@wailsio/runtime";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as application$0 from "../../application/models.js";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as $models from "./models.js";
+
+export function CheckNotificationAuthorization(): Promise<boolean> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2216952893) as any;
+    return $resultPromise;
+}
+
+/**
+ * OnNotificationResponse registers a callback function that will be called when
+ * a notification response is received from the user.
+ */
+export function OnNotificationResponse(callback: any): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1642697808, callback) as any;
+    return $resultPromise;
+}
+
+export function RegisterNotificationCategory(category: $models.NotificationCategory): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2917562919, category) as any;
+    return $resultPromise;
+}
+
+export function RemoveAllDeliveredNotifications(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3956282340) as any;
+    return $resultPromise;
+}
+
+export function RemoveAllPendingNotifications(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(108821341) as any;
+    return $resultPromise;
+}
+
+export function RemoveDeliveredNotification(identifier: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(975691940, identifier) as any;
+    return $resultPromise;
+}
+
+export function RemoveNotification(identifier: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3966653866, identifier) as any;
+    return $resultPromise;
+}
+
+export function RemoveNotificationCategory(categoryID: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2032615554, categoryID) as any;
+    return $resultPromise;
+}
+
+export function RemovePendingNotification(identifier: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3729049703, identifier) as any;
+    return $resultPromise;
+}
+
+/**
+ * Public methods that delegate to the implementation.
+ */
+export function RequestNotificationAuthorization(): Promise<boolean> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3933442950) as any;
+    return $resultPromise;
+}
+
+export function SendNotification(options: $models.NotificationOptions): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3968228732, options) as any;
+    return $resultPromise;
+}
+
+export function SendNotificationWithActions(options: $models.NotificationOptions): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1886542847, options) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceName returns the name of the service.
+ */
+export function ServiceName(): Promise<string> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2704532675) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceShutdown is called when the service is unloaded.
+ */
+export function ServiceShutdown(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2550195434) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceStartup is called when the service is loaded.
+ */
+export function ServiceStartup(options: application$0.ServiceOptions): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(4047820929, options) as any;
+    return $resultPromise;
+}

frontend/bindings/image/color/index.ts

@@ -0,0 +1,4 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+export * from "./models.js";

frontend/bindings/image/color/models.ts

@@ -0,0 +1,46 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Create as $Create} from "@wailsio/runtime";
+
+/**
+ * RGBA represents a traditional 32-bit alpha-premultiplied color, having 8
+ * bits for each of red, green, blue and alpha.
+ * 
+ * An alpha-premultiplied color component C has been scaled by alpha (A), so
+ * has valid values 0 <= C <= A.
+ */
+export class RGBA {
+    "R": number;
+    "G": number;
+    "B": number;
+    "A": number;
+
+    /** Creates a new RGBA instance. */
+    constructor($$source: Partial<RGBA> = {}) {
+        if (!("R" in $$source)) {
+            this["R"] = 0;
+        }
+        if (!("G" in $$source)) {
+            this["G"] = 0;
+        }
+        if (!("B" in $$source)) {
+            this["B"] = 0;
+        }
+        if (!("A" in $$source)) {
+            this["A"] = 0;
+        }
+
+        Object.assign(this, $$source);
+    }
+
+    /**
+     * Creates a new RGBA instance from a string or object.
+     */
+    static createFrom($$source: any = {}): RGBA {
+        let $$parsedSource = typeof $$source === 'string' ? JSON.parse($$source) : $$source;
+        return new RGBA($$parsedSource as Partial<RGBA>);
+    }
+}

frontend/bindings/voidraft/internal/services/configservice.ts

@@ -50,6 +50,14 @@ export function GetSettingsPath(): Promise<string> & { cancel(): void } {
     return $resultPromise;
 }
 
+/**
+ * MigrateConfig 执行配置迁移
+ */
+export function MigrateConfig(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(434292783) as any;
+    return $resultPromise;
+}
+
 /**
  * ResetConfig 强制重置所有配置为默认值
  */

frontend/bindings/voidraft/internal/services/index.ts

@@ -13,11 +13,11 @@ import * as MigrationService from "./migrationservice.js";
 import * as SelfUpdateService from "./selfupdateservice.js";
 import * as StartupService from "./startupservice.js";
 import * as SystemService from "./systemservice.js";
+import * as TestService from "./testservice.js";
 import * as ThemeService from "./themeservice.js";
 import * as TranslationService from "./translationservice.js";
 import * as TrayService from "./trayservice.js";
 import * as WindowService from "./windowservice.js";
-import * as WindowSnapService from "./windowsnapservice.js";
 export {
     BackupService,
     ConfigService,
@@ -31,11 +31,11 @@ export {
     SelfUpdateService,
     StartupService,
     SystemService,
+    TestService,
     ThemeService,
     TranslationService,
     TrayService,
-    WindowService,
-    WindowSnapService
+    WindowService
 };
 
 export * from "./models.js";

frontend/bindings/voidraft/internal/services/testservice.ts

@@ -0,0 +1,55 @@
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+/**
+ * TestService 测试服务 - 仅在开发环境使用
+ * @module
+ */
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import {Call as $Call, Create as $Create} from "@wailsio/runtime";
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import * as application$0 from "../../../github.com/wailsapp/wails/v3/pkg/application/models.js";
+
+/**
+ * ClearAll 清除所有测试状态
+ */
+export function ClearAll(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(2179720854) as any;
+    return $resultPromise;
+}
+
+/**
+ * ServiceStartup 服务启动时调用
+ */
+export function ServiceStartup(options: application$0.ServiceOptions): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(617408198, options) as any;
+    return $resultPromise;
+}
+
+/**
+ * TestBadge 测试Badge功能
+ */
+export function TestBadge(text: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(4242952145, text) as any;
+    return $resultPromise;
+}
+
+/**
+ * TestNotification 测试通知功能
+ */
+export function TestNotification(title: string, subtitle: string, body: string): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(1697553289, title, subtitle, body) as any;
+    return $resultPromise;
+}
+
+/**
+ * TestUpdateNotification 测试更新通知
+ */
+export function TestUpdateNotification(): Promise<void> & { cancel(): void } {
+    let $resultPromise = $Call.ByID(3091730060) as any;
+    return $resultPromise;
+}

frontend/bindings/voidraft/internal/services/windowsnapservice.ts

@@ -1,79 +0,0 @@
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-/**
- * WindowSnapService 窗口吸附服务
- * @module
- */
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import * as application$0 from "../../../github.com/wailsapp/wails/v3/pkg/application/models.js";
-
-/**
- * Cleanup 清理资源
- */
-export function Cleanup(): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(2155505498) as any;
-    return $resultPromise;
-}
-
-/**
- * GetCurrentThreshold 获取当前自适应阈值（用于调试或显示）
- */
-export function GetCurrentThreshold(): Promise<number> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(3176419026) as any;
-    return $resultPromise;
-}
-
-/**
- * OnWindowSnapConfigChanged 处理窗口吸附配置变更
- */
-export function OnWindowSnapConfigChanged(enabled: boolean): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(3794787039, enabled) as any;
-    return $resultPromise;
-}
-
-/**
- * RegisterWindow 注册需要吸附管理的窗口
- */
-export function RegisterWindow(documentID: number, window: application$0.WebviewWindow | null, title: string): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1000222723, documentID, window, title) as any;
-    return $resultPromise;
-}
-
-/**
- * ServiceShutdown 实现服务关闭接口
- */
-export function ServiceShutdown(): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1172710495) as any;
-    return $resultPromise;
-}
-
-/**
- * SetAppReferences 设置应用和主窗口引用
- */
-export function SetAppReferences(app: application$0.App | null, mainWindow: application$0.WebviewWindow | null): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(1782093351, app, mainWindow) as any;
-    return $resultPromise;
-}
-
-/**
- * SetSnapEnabled 设置是否启用窗口吸附
- */
-export function SetSnapEnabled(enabled: boolean): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(2280126835, enabled) as any;
-    return $resultPromise;
-}
-
-/**
- * UnregisterWindow 取消注册窗口
- */
-export function UnregisterWindow(documentID: number): Promise<void> & { cancel(): void } {
-    let $resultPromise = $Call.ByID(2844230768, documentID) as any;
-    return $resultPromise;
-}

frontend/package.json

@@ -5,20 +5,20 @@
   "type": "module",
   "scripts": {
     "dev": "vite --host --mode development",
-    "build:dev": "vue-tsc && vite build --minify false --mode development",
-    "build": "vue-tsc && vite build --mode production",
+    "build:dev": "cross-env NODE_OPTIONS=\"--max-old-space-size=8192\" vue-tsc && cross-env NODE_OPTIONS=\"--max-old-space-size=8192\" vite build --minify false --mode development",
+    "build": "cross-env NODE_OPTIONS=\"--max-old-space-size=8192\" vue-tsc && cross-env NODE_OPTIONS=\"--max-old-space-size=8192\" vite build --mode production",
     "preview": "vite preview",
     "lint": "eslint",
     "lint:fix": "eslint --fix"
   },
   "dependencies": {
-    "@codemirror/autocomplete": "^6.18.6",
+    "@codemirror/autocomplete": "^6.18.7",
     "@codemirror/commands": "^6.8.1",
     "@codemirror/lang-angular": "^0.1.4",
     "@codemirror/lang-cpp": "^6.0.3",
     "@codemirror/lang-css": "^6.3.1",
     "@codemirror/lang-go": "^6.0.1",
-    "@codemirror/lang-html": "^6.4.9",
+    "@codemirror/lang-html": "^6.4.10",
     "@codemirror/lang-java": "^6.0.2",
     "@codemirror/lang-javascript": "^6.2.4",
     "@codemirror/lang-json": "^6.0.2",
@@ -33,7 +33,6 @@
     "@codemirror/lang-sql": "^6.9.1",
     "@codemirror/lang-vue": "^0.1.3",
     "@codemirror/lang-wast": "^6.0.2",
-    "@codemirror/lang-xml": "^6.1.0",
     "@codemirror/lang-yaml": "^6.1.2",
     "@codemirror/language": "^6.11.3",
     "@codemirror/language-data": "^6.5.1",
@@ -41,40 +40,56 @@
     "@codemirror/lint": "^6.8.5",
     "@codemirror/search": "^6.5.11",
     "@codemirror/state": "^6.5.2",
-    "@codemirror/view": "^6.38.1",
+    "@codemirror/view": "^6.38.2",
+    "@cospaia/prettier-plugin-clojure": "^0.0.2",
     "@lezer/highlight": "^1.2.1",
     "@lezer/lr": "^1.4.2",
+    "@prettier/plugin-xml": "^3.4.2",
+    "@reteps/dockerfmt": "^0.3.6",
+    "@toml-tools/lexer": "^1.0.0",
+    "@toml-tools/parser": "^1.0.0",
     "codemirror": "^6.0.2",
     "codemirror-lang-elixir": "^4.0.0",
     "colors-named": "^1.0.2",
     "colors-named-hex": "^1.0.2",
     "franc-min": "^6.2.0",
+    "groovy-beautify": "^0.0.17",
     "hsl-matcher": "^1.2.4",
-    "lezer": "^0.13.5",
+    "java-parser": "^3.0.1",
+    "jinx-rust": "^0.1.6",
+    "jsox": "^1.2.123",
+    "linguist-languages": "^9.0.0",
+    "node-sql-parser": "^5.3.12",
+    "php-parser": "^3.2.5",
     "pinia": "^3.0.3",
     "pinia-plugin-persistedstate": "^4.5.0",
     "prettier": "^3.6.2",
     "remarkable": "^2.0.1",
-    "sass": "^1.90.0",
-    "vue": "^3.5.19",
-    "vue-i18n": "^11.1.11",
+    "sass": "^1.92.1",
+    "sh-syntax": "^0.5.8",
+    "sql-formatter": "^15.6.9",
+    "vue": "^3.5.21",
+    "vue-i18n": "^11.1.12",
     "vue-pick-colors": "^1.8.0",
     "vue-router": "^4.5.1"
   },
   "devDependencies": {
-    "@eslint/js": "^9.34.0",
+    "@eslint/js": "^9.35.0",
     "@lezer/generator": "^1.8.0",
-    "@types/node": "^24.3.0",
+    "@types/node": "^24.3.1",
     "@types/remarkable": "^2.0.8",
     "@vitejs/plugin-vue": "^6.0.1",
     "@wailsio/runtime": "latest",
-    "eslint": "^9.34.0",
+    "cross-env": "^7.0.3",
+    "eslint": "^9.35.0",
     "eslint-plugin-vue": "^10.4.0",
-    "globals": "^16.3.0",
+    "globals": "^16.4.0",
+    "rollup-plugin-visualizer": "^6.0.3",
     "typescript": "^5.9.2",
-    "typescript-eslint": "^8.40.0",
+    "typescript-eslint": "^8.43.0",
     "unplugin-vue-components": "^29.0.0",
-    "vite": "^7.1.3",
+    "vite": "^7.1.5",
+    "vite-plugin-node-polyfills": "^0.24.0",
     "vue-eslint-parser": "^10.2.0",
     "vue-tsc": "^3.0.6"
   }

frontend/public/wasm_exec.js

@@ -0,0 +1,561 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+"use strict";
+
+(() => {
+	const enosys = () => {
+		const err = new Error("not implemented");
+		err.code = "ENOSYS";
+		return err;
+	};
+
+	if (!globalThis.fs) {
+		let outputBuf = "";
+		globalThis.fs = {
+			constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1 }, // unused
+			writeSync(fd, buf) {
+				outputBuf += decoder.decode(buf);
+				const nl = outputBuf.lastIndexOf("\n");
+				if (nl != -1) {
+					console.log(outputBuf.substring(0, nl));
+					outputBuf = outputBuf.substring(nl + 1);
+				}
+				return buf.length;
+			},
+			write(fd, buf, offset, length, position, callback) {
+				if (offset !== 0 || length !== buf.length || position !== null) {
+					callback(enosys());
+					return;
+				}
+				const n = this.writeSync(fd, buf);
+				callback(null, n);
+			},
+			chmod(path, mode, callback) { callback(enosys()); },
+			chown(path, uid, gid, callback) { callback(enosys()); },
+			close(fd, callback) { callback(enosys()); },
+			fchmod(fd, mode, callback) { callback(enosys()); },
+			fchown(fd, uid, gid, callback) { callback(enosys()); },
+			fstat(fd, callback) { callback(enosys()); },
+			fsync(fd, callback) { callback(null); },
+			ftruncate(fd, length, callback) { callback(enosys()); },
+			lchown(path, uid, gid, callback) { callback(enosys()); },
+			link(path, link, callback) { callback(enosys()); },
+			lstat(path, callback) { callback(enosys()); },
+			mkdir(path, perm, callback) { callback(enosys()); },
+			open(path, flags, mode, callback) { callback(enosys()); },
+			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
+			readdir(path, callback) { callback(enosys()); },
+			readlink(path, callback) { callback(enosys()); },
+			rename(from, to, callback) { callback(enosys()); },
+			rmdir(path, callback) { callback(enosys()); },
+			stat(path, callback) { callback(enosys()); },
+			symlink(path, link, callback) { callback(enosys()); },
+			truncate(path, length, callback) { callback(enosys()); },
+			unlink(path, callback) { callback(enosys()); },
+			utimes(path, atime, mtime, callback) { callback(enosys()); },
+		};
+	}
+
+	if (!globalThis.process) {
+		globalThis.process = {
+			getuid() { return -1; },
+			getgid() { return -1; },
+			geteuid() { return -1; },
+			getegid() { return -1; },
+			getgroups() { throw enosys(); },
+			pid: -1,
+			ppid: -1,
+			umask() { throw enosys(); },
+			cwd() { throw enosys(); },
+			chdir() { throw enosys(); },
+		}
+	}
+
+	if (!globalThis.crypto) {
+		throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)");
+	}
+
+	if (!globalThis.performance) {
+		throw new Error("globalThis.performance is not available, polyfill required (performance.now only)");
+	}
+
+	if (!globalThis.TextEncoder) {
+		throw new Error("globalThis.TextEncoder is not available, polyfill required");
+	}
+
+	if (!globalThis.TextDecoder) {
+		throw new Error("globalThis.TextDecoder is not available, polyfill required");
+	}
+
+	const encoder = new TextEncoder("utf-8");
+	const decoder = new TextDecoder("utf-8");
+
+	globalThis.Go = class {
+		constructor() {
+			this.argv = ["js"];
+			this.env = {};
+			this.exit = (code) => {
+				if (code !== 0) {
+					console.warn("exit code:", code);
+				}
+			};
+			this._exitPromise = new Promise((resolve) => {
+				this._resolveExitPromise = resolve;
+			});
+			this._pendingEvent = null;
+			this._scheduledTimeouts = new Map();
+			this._nextCallbackTimeoutID = 1;
+
+			const setInt64 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+				this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
+			}
+
+			const setInt32 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+			}
+
+			const getInt64 = (addr) => {
+				const low = this.mem.getUint32(addr + 0, true);
+				const high = this.mem.getInt32(addr + 4, true);
+				return low + high * 4294967296;
+			}
+
+			const loadValue = (addr) => {
+				const f = this.mem.getFloat64(addr, true);
+				if (f === 0) {
+					return undefined;
+				}
+				if (!isNaN(f)) {
+					return f;
+				}
+
+				const id = this.mem.getUint32(addr, true);
+				return this._values[id];
+			}
+
+			const storeValue = (addr, v) => {
+				const nanHead = 0x7FF80000;
+
+				if (typeof v === "number" && v !== 0) {
+					if (isNaN(v)) {
+						this.mem.setUint32(addr + 4, nanHead, true);
+						this.mem.setUint32(addr, 0, true);
+						return;
+					}
+					this.mem.setFloat64(addr, v, true);
+					return;
+				}
+
+				if (v === undefined) {
+					this.mem.setFloat64(addr, 0, true);
+					return;
+				}
+
+				let id = this._ids.get(v);
+				if (id === undefined) {
+					id = this._idPool.pop();
+					if (id === undefined) {
+						id = this._values.length;
+					}
+					this._values[id] = v;
+					this._goRefCounts[id] = 0;
+					this._ids.set(v, id);
+				}
+				this._goRefCounts[id]++;
+				let typeFlag = 0;
+				switch (typeof v) {
+					case "object":
+						if (v !== null) {
+							typeFlag = 1;
+						}
+						break;
+					case "string":
+						typeFlag = 2;
+						break;
+					case "symbol":
+						typeFlag = 3;
+						break;
+					case "function":
+						typeFlag = 4;
+						break;
+				}
+				this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
+				this.mem.setUint32(addr, id, true);
+			}
+
+			const loadSlice = (addr) => {
+				const array = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				return new Uint8Array(this._inst.exports.mem.buffer, array, len);
+			}
+
+			const loadSliceOfValues = (addr) => {
+				const array = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				const a = new Array(len);
+				for (let i = 0; i < len; i++) {
+					a[i] = loadValue(array + i * 8);
+				}
+				return a;
+			}
+
+			const loadString = (addr) => {
+				const saddr = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
+			}
+
+			const timeOrigin = Date.now() - performance.now();
+			this.importObject = {
+				_gotest: {
+					add: (a, b) => a + b,
+				},
+				gojs: {
+					// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
+					// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
+					// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
+					// This changes the SP, thus we have to update the SP used by the imported function.
+
+					// func wasmExit(code int32)
+					"runtime.wasmExit": (sp) => {
+						sp >>>= 0;
+						const code = this.mem.getInt32(sp + 8, true);
+						this.exited = true;
+						delete this._inst;
+						delete this._values;
+						delete this._goRefCounts;
+						delete this._ids;
+						delete this._idPool;
+						this.exit(code);
+					},
+
+					// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
+					"runtime.wasmWrite": (sp) => {
+						sp >>>= 0;
+						const fd = getInt64(sp + 8);
+						const p = getInt64(sp + 16);
+						const n = this.mem.getInt32(sp + 24, true);
+						fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
+					},
+
+					// func resetMemoryDataView()
+					"runtime.resetMemoryDataView": (sp) => {
+						sp >>>= 0;
+						this.mem = new DataView(this._inst.exports.mem.buffer);
+					},
+
+					// func nanotime1() int64
+					"runtime.nanotime1": (sp) => {
+						sp >>>= 0;
+						setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
+					},
+
+					// func walltime() (sec int64, nsec int32)
+					"runtime.walltime": (sp) => {
+						sp >>>= 0;
+						const msec = (new Date).getTime();
+						setInt64(sp + 8, msec / 1000);
+						this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
+					},
+
+					// func scheduleTimeoutEvent(delay int64) int32
+					"runtime.scheduleTimeoutEvent": (sp) => {
+						sp >>>= 0;
+						const id = this._nextCallbackTimeoutID;
+						this._nextCallbackTimeoutID++;
+						this._scheduledTimeouts.set(id, setTimeout(
+							() => {
+								this._resume();
+								while (this._scheduledTimeouts.has(id)) {
+									// for some reason Go failed to register the timeout event, log and try again
+									// (temporary workaround for https://github.com/golang/go/issues/28975)
+									console.warn("scheduleTimeoutEvent: missed timeout event");
+									this._resume();
+								}
+							},
+							getInt64(sp + 8),
+						));
+						this.mem.setInt32(sp + 16, id, true);
+					},
+
+					// func clearTimeoutEvent(id int32)
+					"runtime.clearTimeoutEvent": (sp) => {
+						sp >>>= 0;
+						const id = this.mem.getInt32(sp + 8, true);
+						clearTimeout(this._scheduledTimeouts.get(id));
+						this._scheduledTimeouts.delete(id);
+					},
+
+					// func getRandomData(r []byte)
+					"runtime.getRandomData": (sp) => {
+						sp >>>= 0;
+						crypto.getRandomValues(loadSlice(sp + 8));
+					},
+
+					// func finalizeRef(v ref)
+					"syscall/js.finalizeRef": (sp) => {
+						sp >>>= 0;
+						const id = this.mem.getUint32(sp + 8, true);
+						this._goRefCounts[id]--;
+						if (this._goRefCounts[id] === 0) {
+							const v = this._values[id];
+							this._values[id] = null;
+							this._ids.delete(v);
+							this._idPool.push(id);
+						}
+					},
+
+					// func stringVal(value string) ref
+					"syscall/js.stringVal": (sp) => {
+						sp >>>= 0;
+						storeValue(sp + 24, loadString(sp + 8));
+					},
+
+					// func valueGet(v ref, p string) ref
+					"syscall/js.valueGet": (sp) => {
+						sp >>>= 0;
+						const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
+						sp = this._inst.exports.getsp() >>> 0; // see comment above
+						storeValue(sp + 32, result);
+					},
+
+					// func valueSet(v ref, p string, x ref)
+					"syscall/js.valueSet": (sp) => {
+						sp >>>= 0;
+						Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
+					},
+
+					// func valueDelete(v ref, p string)
+					"syscall/js.valueDelete": (sp) => {
+						sp >>>= 0;
+						Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
+					},
+
+					// func valueIndex(v ref, i int) ref
+					"syscall/js.valueIndex": (sp) => {
+						sp >>>= 0;
+						storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
+					},
+
+					// valueSetIndex(v ref, i int, x ref)
+					"syscall/js.valueSetIndex": (sp) => {
+						sp >>>= 0;
+						Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
+					},
+
+					// func valueCall(v ref, m string, args []ref) (ref, bool)
+					"syscall/js.valueCall": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const m = Reflect.get(v, loadString(sp + 16));
+							const args = loadSliceOfValues(sp + 32);
+							const result = Reflect.apply(m, v, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 56, result);
+							this.mem.setUint8(sp + 64, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 56, err);
+							this.mem.setUint8(sp + 64, 0);
+						}
+					},
+
+					// func valueInvoke(v ref, args []ref) (ref, bool)
+					"syscall/js.valueInvoke": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const args = loadSliceOfValues(sp + 16);
+							const result = Reflect.apply(v, undefined, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, result);
+							this.mem.setUint8(sp + 48, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, err);
+							this.mem.setUint8(sp + 48, 0);
+						}
+					},
+
+					// func valueNew(v ref, args []ref) (ref, bool)
+					"syscall/js.valueNew": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const args = loadSliceOfValues(sp + 16);
+							const result = Reflect.construct(v, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, result);
+							this.mem.setUint8(sp + 48, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, err);
+							this.mem.setUint8(sp + 48, 0);
+						}
+					},
+
+					// func valueLength(v ref) int
+					"syscall/js.valueLength": (sp) => {
+						sp >>>= 0;
+						setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
+					},
+
+					// valuePrepareString(v ref) (ref, int)
+					"syscall/js.valuePrepareString": (sp) => {
+						sp >>>= 0;
+						const str = encoder.encode(String(loadValue(sp + 8)));
+						storeValue(sp + 16, str);
+						setInt64(sp + 24, str.length);
+					},
+
+					// valueLoadString(v ref, b []byte)
+					"syscall/js.valueLoadString": (sp) => {
+						sp >>>= 0;
+						const str = loadValue(sp + 8);
+						loadSlice(sp + 16).set(str);
+					},
+
+					// func valueInstanceOf(v ref, t ref) bool
+					"syscall/js.valueInstanceOf": (sp) => {
+						sp >>>= 0;
+						this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
+					},
+
+					// func copyBytesToGo(dst []byte, src ref) (int, bool)
+					"syscall/js.copyBytesToGo": (sp) => {
+						sp >>>= 0;
+						const dst = loadSlice(sp + 8);
+						const src = loadValue(sp + 32);
+						if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
+							this.mem.setUint8(sp + 48, 0);
+							return;
+						}
+						const toCopy = src.subarray(0, dst.length);
+						dst.set(toCopy);
+						setInt64(sp + 40, toCopy.length);
+						this.mem.setUint8(sp + 48, 1);
+					},
+
+					// func copyBytesToJS(dst ref, src []byte) (int, bool)
+					"syscall/js.copyBytesToJS": (sp) => {
+						sp >>>= 0;
+						const dst = loadValue(sp + 8);
+						const src = loadSlice(sp + 16);
+						if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
+							this.mem.setUint8(sp + 48, 0);
+							return;
+						}
+						const toCopy = src.subarray(0, dst.length);
+						dst.set(toCopy);
+						setInt64(sp + 40, toCopy.length);
+						this.mem.setUint8(sp + 48, 1);
+					},
+
+					"debug": (value) => {
+						console.log(value);
+					},
+				}
+			};
+		}
+
+		async run(instance) {
+			if (!(instance instanceof WebAssembly.Instance)) {
+				throw new Error("Go.run: WebAssembly.Instance expected");
+			}
+			this._inst = instance;
+			this.mem = new DataView(this._inst.exports.mem.buffer);
+			this._values = [ // JS values that Go currently has references to, indexed by reference id
+				NaN,
+				0,
+				null,
+				true,
+				false,
+				globalThis,
+				this,
+			];
+			this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
+			this._ids = new Map([ // mapping from JS values to reference ids
+				[0, 1],
+				[null, 2],
+				[true, 3],
+				[false, 4],
+				[globalThis, 5],
+				[this, 6],
+			]);
+			this._idPool = [];   // unused ids that have been garbage collected
+			this.exited = false; // whether the Go program has exited
+
+			// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
+			let offset = 4096;
+
+			const strPtr = (str) => {
+				const ptr = offset;
+				const bytes = encoder.encode(str + "\0");
+				new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
+				offset += bytes.length;
+				if (offset % 8 !== 0) {
+					offset += 8 - (offset % 8);
+				}
+				return ptr;
+			};
+
+			const argc = this.argv.length;
+
+			const argvPtrs = [];
+			this.argv.forEach((arg) => {
+				argvPtrs.push(strPtr(arg));
+			});
+			argvPtrs.push(0);
+
+			const keys = Object.keys(this.env).sort();
+			keys.forEach((key) => {
+				argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
+			});
+			argvPtrs.push(0);
+
+			const argv = offset;
+			argvPtrs.forEach((ptr) => {
+				this.mem.setUint32(offset, ptr, true);
+				this.mem.setUint32(offset + 4, 0, true);
+				offset += 8;
+			});
+
+			// The linker guarantees global data starts from at least wasmMinDataAddr.
+			// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
+			const wasmMinDataAddr = 4096 + 8192;
+			if (offset >= wasmMinDataAddr) {
+				throw new Error("total length of command line and environment variables exceeds limit");
+			}
+
+			this._inst.exports.run(argc, argv);
+			if (this.exited) {
+				this._resolveExitPromise();
+			}
+			await this._exitPromise;
+		}
+
+		_resume() {
+			if (this.exited) {
+				throw new Error("Go program has already exited");
+			}
+			this._inst.exports.resume();
+			if (this.exited) {
+				this._resolveExitPromise();
+			}
+		}
+
+		_makeFuncWrapper(id) {
+			const go = this;
+			return function () {
+				const event = { id: id, this: this, args: arguments };
+				go._pendingEvent = event;
+				go._resume();
+				return event.result;
+			};
+		}
+	}
+})();

frontend/src/common/prettier/plugins/go/build.bat

@@ -0,0 +1,32 @@
+@echo off
+rem Build script for Go Prettier Plugin WASM
+rem This script compiles the Go code to WebAssembly
+
+echo 🔨 Building Go Prettier Plugin WASM...
+
+rem Set WASM build environment
+set GOOS=js
+set GOARCH=wasm
+
+rem Build the WASM file
+echo Compiling main.go to go.wasm...
+go build -o go.wasm main.go
+
+if %ERRORLEVEL% EQU 0 (
+    echo ✅ Build successful!
+    
+    rem Show file size (Windows version)
+    for %%A in (go.wasm) do echo 📊 WASM file size: %%~zA bytes
+    
+    rem Copy to public directory for browser access
+    if exist "..\..\..\..\..\public" (
+        copy go.wasm ..\..\..\..\..\public\go.wasm > nul
+        echo 📋 Copied to public directory
+    )
+    
+    echo 🎉 Go Prettier Plugin WASM is ready!
+) else (
+    echo ❌ Build failed!
+    pause
+    exit /b 1
+)

frontend/src/common/prettier/plugins/go/build.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Build script for Go Prettier Plugin WASM
+# This script compiles the Go code to WebAssembly
+
+echo "🔨 Building Go Prettier Plugin WASM..."
+
+# Set WASM build environment
+export GOOS=js
+export GOARCH=wasm
+
+# Build the WASM file
+echo "Compiling main.go to go.wasm..."
+go build -o go.wasm main.go
+
+if [ $? -eq 0 ]; then
+    echo "✅ Build successful!"
+    echo "📊 WASM file size: $(du -h go.wasm | cut -f1)"
+    
+    # Copy to public directory for browser access
+    if [ -d "../../../../../public" ]; then
+        cp go.wasm ../../../../../public/go.wasm
+        echo "📋 Copied to public directory"
+    fi
+    
+    echo "🎉 Go Prettier Plugin WASM is ready!"
+else
+    echo "❌ Build failed!"
+    exit 1
+fi

frontend/src/common/prettier/plugins/go/go.d.ts

@@ -0,0 +1,10 @@
+import { Parser, Plugin } from "prettier";
+
+export declare const languages: Plugin["languages"];
+export declare const parsers: {
+  go: Parser;
+};
+export declare const printers: Plugin["printers"];
+
+declare const plugin: Plugin;
+export default plugin;

frontend/src/common/prettier/plugins/go/go.mjs

@@ -0,0 +1,244 @@
+/**
+ * Go Prettier Plugin - Universal Implementation
+ * WebAssembly-based Go code formatter for Prettier
+ * Supports both Node.js and Browser environments
+ */
+
+let initializePromise = null;
+
+// Environment detection
+const isNode = () => {
+    return typeof process !== 'undefined' && 
+           process.versions != null && 
+           process.versions.node != null;
+};
+
+const isBrowser = () => {
+    return typeof window !== 'undefined' && 
+           typeof document !== 'undefined';
+};
+
+// Node.js WASM loading
+const loadWasmNode = async () => {
+    try {
+        const fs = await import('fs');
+        const path = await import('path');
+        const { fileURLToPath } = await import('url');
+        
+        const __filename = fileURLToPath(import.meta.url);
+        const __dirname = path.dirname(__filename);
+        const wasmPath = path.join(__dirname, 'go.wasm');
+        
+        return fs.readFileSync(wasmPath);
+    } catch (error) {
+        console.error('Node.js WASM loading failed:', error);
+        throw error;
+    }
+};
+
+// Browser WASM loading
+const loadWasmBrowser = async () => {
+    try {
+        const response = await fetch('/go.wasm');
+        if (!response.ok) {
+            throw new Error(`Failed to load WASM file: ${response.status} ${response.statusText}`);
+        }
+        return await response.arrayBuffer();
+    } catch (error) {
+        console.error('Browser WASM loading failed:', error);
+        throw error;
+    }
+};
+
+// Node.js Go runtime initialization
+const initGoRuntimeNode = async () => {
+    if (globalThis.Go) return;
+    
+    try {
+        // Dynamic import of wasm_exec.js for Node.js
+        const { createRequire } = await import('module');
+        const require = createRequire(import.meta.url);
+        const path = await import('path');
+        const { fileURLToPath } = await import('url');
+        
+        const __filename = fileURLToPath(import.meta.url);
+        const __dirname = path.dirname(__filename);
+        
+        // Load wasm_exec.js
+        const wasmExecPath = path.join(__dirname, 'wasm_exec.js');
+        require(wasmExecPath);
+        
+        if (!globalThis.Go) {
+            throw new Error('Go WASM runtime not available after loading wasm_exec.js');
+        }
+    } catch (error) {
+        console.error('Node.js Go runtime initialization failed:', error);
+        throw error;
+    }
+};
+
+// Browser Go runtime initialization
+const initGoRuntimeBrowser = async () => {
+    // 总是重新初始化，因为可能存在版本不兼容问题
+    try {
+        // 移除旧的 Go 运行时
+        delete globalThis.Go;
+        
+        // 动态导入本地的 wasm_exec.js 内容
+        const wasmExecResponse = await fetch('/wasm_exec.js');
+        if (!wasmExecResponse.ok) {
+            throw new Error(`Failed to fetch wasm_exec.js: ${wasmExecResponse.status}`);
+        }
+        
+        const wasmExecCode = await wasmExecResponse.text();
+        
+        // 在全局作用域中执行 wasm_exec.js 代码
+        const script = document.createElement('script');
+        script.textContent = wasmExecCode;
+        document.head.appendChild(script);
+        
+        // 等待一小段时间确保脚本执行完成
+        await new Promise(resolve => setTimeout(resolve, 100));
+        
+        if (!globalThis.Go) {
+            throw new Error('Go WASM runtime not available after executing wasm_exec.js');
+        }
+        
+        console.log('Go runtime initialized successfully');
+    } catch (error) {
+        console.error('Browser Go runtime initialization failed:', error);
+        throw error;
+    }
+};
+
+// Universal initialization
+const initialize = async () => {
+    if (initializePromise) return initializePromise;
+
+    initializePromise = (async () => {
+        let wasmBuffer;
+        
+        console.log('Starting Go WASM initialization...');
+        
+        // Environment-specific initialization
+        if (isNode()) {
+            console.log('Initializing for Node.js environment');
+            await initGoRuntimeNode();
+            wasmBuffer = await loadWasmNode();
+        } else if (isBrowser()) {
+            console.log('Initializing for Browser environment');
+            await initGoRuntimeBrowser();
+            wasmBuffer = await loadWasmBrowser();
+        } else {
+            throw new Error('Unsupported environment: neither Node.js nor Browser detected');
+        }
+
+        console.log('Creating Go instance...');
+        const go = new globalThis.Go();
+        
+        // 详细检查 importObject
+        console.log('Go import object keys:', Object.keys(go.importObject));
+        if (go.importObject.gojs) {
+            console.log('gojs import keys:', Object.keys(go.importObject.gojs));
+            console.log('scheduleTimeoutEvent type:', typeof go.importObject.gojs['runtime.scheduleTimeoutEvent']);
+        }
+        
+        console.log('Instantiating WebAssembly module...');
+        
+        try {
+            const { instance } = await WebAssembly.instantiate(wasmBuffer, go.importObject);
+            console.log('WebAssembly instantiation successful');
+            
+            console.log('Running Go program...');
+            // Run Go program (don't await as it's a long-running service)
+            go.run(instance).catch(err => {
+                console.error('Go WASM program exit error:', err);
+            });
+        } catch (instantiateError) {
+            console.error('WebAssembly instantiation failed:', instantiateError);
+            console.error('Error details:', {
+                message: instantiateError.message,
+                name: instantiateError.name,
+                stack: instantiateError.stack
+            });
+            throw instantiateError;
+        }
+
+        // Wait for Go program to initialize and expose formatGo function
+        console.log('Waiting for formatGo function to be available...');
+        let retries = 0;
+        const maxRetries = 20; // 增加重试次数
+
+        while (typeof globalThis.formatGo !== 'function' && retries < maxRetries) {
+            await new Promise(resolve => setTimeout(resolve, 200)); // 增加等待时间
+            retries++;
+            if (retries % 5 === 0) {
+                console.log(`Waiting for formatGo function... (${retries}/${maxRetries})`);
+            }
+        }
+
+        if (typeof globalThis.formatGo !== 'function') {
+            throw new Error('Go WASM module not properly initialized - formatGo function not available after 20 retries');
+        }
+        
+        console.log('Go WASM initialization completed successfully');
+    })();
+
+    return initializePromise;
+};
+
+export const languages = [
+    {
+        name: "Go",
+        parsers: ["go-format"],
+        extensions: [".go"],
+        vscodeLanguageIds: ["go"],
+    },
+];
+
+export const parsers = {
+    "go-format": {
+        parse: (text) => text,
+        astFormat: "go-format",
+        locStart: (node) => 0,
+        locEnd: (node) => node.length,
+    },
+};
+
+export const printers = {
+    "go-format": {
+        print: (path) => {
+            const text = path.getValue();
+
+            if (typeof globalThis.formatGo !== 'function') {
+                // 如果 formatGo 函数不可用，尝试初始化
+                initialize().then(() => {
+                    // 初始化完成后，formatGo 应该可用
+                }).catch(err => {
+                    console.error('Go WASM initialization failed:', err);
+                });
+                
+                // 如果还是不可用，返回原始文本
+                return text;
+            }
+
+            try {
+                return globalThis.formatGo(text);
+            } catch (error) {
+                console.error('Go formatting failed:', error);
+                // 返回原始文本而不是抛出错误
+                return text;
+            }
+        },
+    },
+};
+
+// Export initialize function for manual initialization
+export { initialize };
+
+// Default export for Prettier plugin compatibility
+export default {
+    languages,
+    parsers,
+    printers
+};

frontend/src/common/prettier/plugins/go/main.go

@@ -0,0 +1,66 @@
+//go:build js && wasm
+
+// Package main implements a WebAssembly module that provides Go code formatting
+// functionality for the Prettier plugin. This package exposes the formatGo function
+// to JavaScript, enabling web-based Go code formatting using Go's built-in format package.
+//
+// The module is designed to be compiled to WebAssembly and loaded in Node.js
+// environments as part of the go-prettier-format plugin.
+package main
+
+import (
+	"go/format"
+	"syscall/js"
+)
+
+// formatGo is a JavaScript-callable function that formats Go source code.
+// It wraps the standard library's go/format.Source function to be accessible
+// from JavaScript environments through WebAssembly.
+//
+// Parameters:
+//   - this: The JavaScript 'this' context (unused)
+//   - i: JavaScript arguments array where i[0] should contain the Go source code as a string
+//
+// Returns:
+//   - js.Value: The formatted Go source code as a JavaScript string value
+//   - If formatting fails due to syntax errors, returns the original code unchanged
+//   - If no arguments are provided, returns js.Null() and logs an error
+//
+// The function handles syntax errors gracefully by returning the original code
+// and logging error details to the JavaScript console for debugging purposes.
+func formatGo(this js.Value, i []js.Value) interface{} {
+	if len(i) == 0 {
+		js.Global().Get("console").Call("error", "formatGo: missing code argument")
+		return js.Null()
+	}
+	code := i[0].String()
+	formatted, err := format.Source([]byte(code))
+	if err != nil {
+		// In case of a syntax error in the Go code, go/format returns an error.
+		// Prettier expects the original text to be returned in case of an error.
+		// We also log the error to the console for debugging purposes.
+		js.Global().Get("console").Call("error", "Error formatting Go code:", err.Error())
+		return js.ValueOf(code)
+	}
+	return js.ValueOf(string(formatted))
+}
+
+// main initializes the WebAssembly module and exposes the formatGo function
+// to the JavaScript global scope. The function sets up a blocking channel
+// to prevent the WASM module from exiting, allowing it to serve as a
+// long-running service for formatting operations.
+//
+// The exposed formatGo function can be called from JavaScript as:
+//
+//	global.formatGo(sourceCode)
+func main() {
+	// Create a channel to keep the Go program running.
+	// This is necessary because the WASM module would exit otherwise.
+	c := make(chan struct{}, 0)
+
+	// Expose the formatGo function to the JavaScript global scope.
+	js.Global().Set("formatGo", js.FuncOf(formatGo))
+
+	// Block forever
+	<-c
+}

frontend/src/common/prettier/plugins/go/wasm_exec.js

@@ -0,0 +1,561 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+"use strict";
+
+(() => {
+	const enosys = () => {
+		const err = new Error("not implemented");
+		err.code = "ENOSYS";
+		return err;
+	};
+
+	if (!globalThis.fs) {
+		let outputBuf = "";
+		globalThis.fs = {
+			constants: { O_WRONLY: -1, O_RDWR: -1, O_CREAT: -1, O_TRUNC: -1, O_APPEND: -1, O_EXCL: -1 }, // unused
+			writeSync(fd, buf) {
+				outputBuf += decoder.decode(buf);
+				const nl = outputBuf.lastIndexOf("\n");
+				if (nl != -1) {
+					console.log(outputBuf.substring(0, nl));
+					outputBuf = outputBuf.substring(nl + 1);
+				}
+				return buf.length;
+			},
+			write(fd, buf, offset, length, position, callback) {
+				if (offset !== 0 || length !== buf.length || position !== null) {
+					callback(enosys());
+					return;
+				}
+				const n = this.writeSync(fd, buf);
+				callback(null, n);
+			},
+			chmod(path, mode, callback) { callback(enosys()); },
+			chown(path, uid, gid, callback) { callback(enosys()); },
+			close(fd, callback) { callback(enosys()); },
+			fchmod(fd, mode, callback) { callback(enosys()); },
+			fchown(fd, uid, gid, callback) { callback(enosys()); },
+			fstat(fd, callback) { callback(enosys()); },
+			fsync(fd, callback) { callback(null); },
+			ftruncate(fd, length, callback) { callback(enosys()); },
+			lchown(path, uid, gid, callback) { callback(enosys()); },
+			link(path, link, callback) { callback(enosys()); },
+			lstat(path, callback) { callback(enosys()); },
+			mkdir(path, perm, callback) { callback(enosys()); },
+			open(path, flags, mode, callback) { callback(enosys()); },
+			read(fd, buffer, offset, length, position, callback) { callback(enosys()); },
+			readdir(path, callback) { callback(enosys()); },
+			readlink(path, callback) { callback(enosys()); },
+			rename(from, to, callback) { callback(enosys()); },
+			rmdir(path, callback) { callback(enosys()); },
+			stat(path, callback) { callback(enosys()); },
+			symlink(path, link, callback) { callback(enosys()); },
+			truncate(path, length, callback) { callback(enosys()); },
+			unlink(path, callback) { callback(enosys()); },
+			utimes(path, atime, mtime, callback) { callback(enosys()); },
+		};
+	}
+
+	if (!globalThis.process) {
+		globalThis.process = {
+			getuid() { return -1; },
+			getgid() { return -1; },
+			geteuid() { return -1; },
+			getegid() { return -1; },
+			getgroups() { throw enosys(); },
+			pid: -1,
+			ppid: -1,
+			umask() { throw enosys(); },
+			cwd() { throw enosys(); },
+			chdir() { throw enosys(); },
+		}
+	}
+
+	if (!globalThis.crypto) {
+		throw new Error("globalThis.crypto is not available, polyfill required (crypto.getRandomValues only)");
+	}
+
+	if (!globalThis.performance) {
+		throw new Error("globalThis.performance is not available, polyfill required (performance.now only)");
+	}
+
+	if (!globalThis.TextEncoder) {
+		throw new Error("globalThis.TextEncoder is not available, polyfill required");
+	}
+
+	if (!globalThis.TextDecoder) {
+		throw new Error("globalThis.TextDecoder is not available, polyfill required");
+	}
+
+	const encoder = new TextEncoder("utf-8");
+	const decoder = new TextDecoder("utf-8");
+
+	globalThis.Go = class {
+		constructor() {
+			this.argv = ["js"];
+			this.env = {};
+			this.exit = (code) => {
+				if (code !== 0) {
+					console.warn("exit code:", code);
+				}
+			};
+			this._exitPromise = new Promise((resolve) => {
+				this._resolveExitPromise = resolve;
+			});
+			this._pendingEvent = null;
+			this._scheduledTimeouts = new Map();
+			this._nextCallbackTimeoutID = 1;
+
+			const setInt64 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+				this.mem.setUint32(addr + 4, Math.floor(v / 4294967296), true);
+			}
+
+			const setInt32 = (addr, v) => {
+				this.mem.setUint32(addr + 0, v, true);
+			}
+
+			const getInt64 = (addr) => {
+				const low = this.mem.getUint32(addr + 0, true);
+				const high = this.mem.getInt32(addr + 4, true);
+				return low + high * 4294967296;
+			}
+
+			const loadValue = (addr) => {
+				const f = this.mem.getFloat64(addr, true);
+				if (f === 0) {
+					return undefined;
+				}
+				if (!isNaN(f)) {
+					return f;
+				}
+
+				const id = this.mem.getUint32(addr, true);
+				return this._values[id];
+			}
+
+			const storeValue = (addr, v) => {
+				const nanHead = 0x7FF80000;
+
+				if (typeof v === "number" && v !== 0) {
+					if (isNaN(v)) {
+						this.mem.setUint32(addr + 4, nanHead, true);
+						this.mem.setUint32(addr, 0, true);
+						return;
+					}
+					this.mem.setFloat64(addr, v, true);
+					return;
+				}
+
+				if (v === undefined) {
+					this.mem.setFloat64(addr, 0, true);
+					return;
+				}
+
+				let id = this._ids.get(v);
+				if (id === undefined) {
+					id = this._idPool.pop();
+					if (id === undefined) {
+						id = this._values.length;
+					}
+					this._values[id] = v;
+					this._goRefCounts[id] = 0;
+					this._ids.set(v, id);
+				}
+				this._goRefCounts[id]++;
+				let typeFlag = 0;
+				switch (typeof v) {
+					case "object":
+						if (v !== null) {
+							typeFlag = 1;
+						}
+						break;
+					case "string":
+						typeFlag = 2;
+						break;
+					case "symbol":
+						typeFlag = 3;
+						break;
+					case "function":
+						typeFlag = 4;
+						break;
+				}
+				this.mem.setUint32(addr + 4, nanHead | typeFlag, true);
+				this.mem.setUint32(addr, id, true);
+			}
+
+			const loadSlice = (addr) => {
+				const array = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				return new Uint8Array(this._inst.exports.mem.buffer, array, len);
+			}
+
+			const loadSliceOfValues = (addr) => {
+				const array = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				const a = new Array(len);
+				for (let i = 0; i < len; i++) {
+					a[i] = loadValue(array + i * 8);
+				}
+				return a;
+			}
+
+			const loadString = (addr) => {
+				const saddr = getInt64(addr + 0);
+				const len = getInt64(addr + 8);
+				return decoder.decode(new DataView(this._inst.exports.mem.buffer, saddr, len));
+			}
+
+			const timeOrigin = Date.now() - performance.now();
+			this.importObject = {
+				_gotest: {
+					add: (a, b) => a + b,
+				},
+				gojs: {
+					// Go's SP does not change as long as no Go code is running. Some operations (e.g. calls, getters and setters)
+					// may synchronously trigger a Go event handler. This makes Go code get executed in the middle of the imported
+					// function. A goroutine can switch to a new stack if the current stack is too small (see morestack function).
+					// This changes the SP, thus we have to update the SP used by the imported function.
+
+					// func wasmExit(code int32)
+					"runtime.wasmExit": (sp) => {
+						sp >>>= 0;
+						const code = this.mem.getInt32(sp + 8, true);
+						this.exited = true;
+						delete this._inst;
+						delete this._values;
+						delete this._goRefCounts;
+						delete this._ids;
+						delete this._idPool;
+						this.exit(code);
+					},
+
+					// func wasmWrite(fd uintptr, p unsafe.Pointer, n int32)
+					"runtime.wasmWrite": (sp) => {
+						sp >>>= 0;
+						const fd = getInt64(sp + 8);
+						const p = getInt64(sp + 16);
+						const n = this.mem.getInt32(sp + 24, true);
+						fs.writeSync(fd, new Uint8Array(this._inst.exports.mem.buffer, p, n));
+					},
+
+					// func resetMemoryDataView()
+					"runtime.resetMemoryDataView": (sp) => {
+						sp >>>= 0;
+						this.mem = new DataView(this._inst.exports.mem.buffer);
+					},
+
+					// func nanotime1() int64
+					"runtime.nanotime1": (sp) => {
+						sp >>>= 0;
+						setInt64(sp + 8, (timeOrigin + performance.now()) * 1000000);
+					},
+
+					// func walltime() (sec int64, nsec int32)
+					"runtime.walltime": (sp) => {
+						sp >>>= 0;
+						const msec = (new Date).getTime();
+						setInt64(sp + 8, msec / 1000);
+						this.mem.setInt32(sp + 16, (msec % 1000) * 1000000, true);
+					},
+
+					// func scheduleTimeoutEvent(delay int64) int32
+					"runtime.scheduleTimeoutEvent": (sp) => {
+						sp >>>= 0;
+						const id = this._nextCallbackTimeoutID;
+						this._nextCallbackTimeoutID++;
+						this._scheduledTimeouts.set(id, setTimeout(
+							() => {
+								this._resume();
+								while (this._scheduledTimeouts.has(id)) {
+									// for some reason Go failed to register the timeout event, log and try again
+									// (temporary workaround for https://github.com/golang/go/issues/28975)
+									console.warn("scheduleTimeoutEvent: missed timeout event");
+									this._resume();
+								}
+							},
+							getInt64(sp + 8),
+						));
+						this.mem.setInt32(sp + 16, id, true);
+					},
+
+					// func clearTimeoutEvent(id int32)
+					"runtime.clearTimeoutEvent": (sp) => {
+						sp >>>= 0;
+						const id = this.mem.getInt32(sp + 8, true);
+						clearTimeout(this._scheduledTimeouts.get(id));
+						this._scheduledTimeouts.delete(id);
+					},
+
+					// func getRandomData(r []byte)
+					"runtime.getRandomData": (sp) => {
+						sp >>>= 0;
+						crypto.getRandomValues(loadSlice(sp + 8));
+					},
+
+					// func finalizeRef(v ref)
+					"syscall/js.finalizeRef": (sp) => {
+						sp >>>= 0;
+						const id = this.mem.getUint32(sp + 8, true);
+						this._goRefCounts[id]--;
+						if (this._goRefCounts[id] === 0) {
+							const v = this._values[id];
+							this._values[id] = null;
+							this._ids.delete(v);
+							this._idPool.push(id);
+						}
+					},
+
+					// func stringVal(value string) ref
+					"syscall/js.stringVal": (sp) => {
+						sp >>>= 0;
+						storeValue(sp + 24, loadString(sp + 8));
+					},
+
+					// func valueGet(v ref, p string) ref
+					"syscall/js.valueGet": (sp) => {
+						sp >>>= 0;
+						const result = Reflect.get(loadValue(sp + 8), loadString(sp + 16));
+						sp = this._inst.exports.getsp() >>> 0; // see comment above
+						storeValue(sp + 32, result);
+					},
+
+					// func valueSet(v ref, p string, x ref)
+					"syscall/js.valueSet": (sp) => {
+						sp >>>= 0;
+						Reflect.set(loadValue(sp + 8), loadString(sp + 16), loadValue(sp + 32));
+					},
+
+					// func valueDelete(v ref, p string)
+					"syscall/js.valueDelete": (sp) => {
+						sp >>>= 0;
+						Reflect.deleteProperty(loadValue(sp + 8), loadString(sp + 16));
+					},
+
+					// func valueIndex(v ref, i int) ref
+					"syscall/js.valueIndex": (sp) => {
+						sp >>>= 0;
+						storeValue(sp + 24, Reflect.get(loadValue(sp + 8), getInt64(sp + 16)));
+					},
+
+					// valueSetIndex(v ref, i int, x ref)
+					"syscall/js.valueSetIndex": (sp) => {
+						sp >>>= 0;
+						Reflect.set(loadValue(sp + 8), getInt64(sp + 16), loadValue(sp + 24));
+					},
+
+					// func valueCall(v ref, m string, args []ref) (ref, bool)
+					"syscall/js.valueCall": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const m = Reflect.get(v, loadString(sp + 16));
+							const args = loadSliceOfValues(sp + 32);
+							const result = Reflect.apply(m, v, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 56, result);
+							this.mem.setUint8(sp + 64, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 56, err);
+							this.mem.setUint8(sp + 64, 0);
+						}
+					},
+
+					// func valueInvoke(v ref, args []ref) (ref, bool)
+					"syscall/js.valueInvoke": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const args = loadSliceOfValues(sp + 16);
+							const result = Reflect.apply(v, undefined, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, result);
+							this.mem.setUint8(sp + 48, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, err);
+							this.mem.setUint8(sp + 48, 0);
+						}
+					},
+
+					// func valueNew(v ref, args []ref) (ref, bool)
+					"syscall/js.valueNew": (sp) => {
+						sp >>>= 0;
+						try {
+							const v = loadValue(sp + 8);
+							const args = loadSliceOfValues(sp + 16);
+							const result = Reflect.construct(v, args);
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, result);
+							this.mem.setUint8(sp + 48, 1);
+						} catch (err) {
+							sp = this._inst.exports.getsp() >>> 0; // see comment above
+							storeValue(sp + 40, err);
+							this.mem.setUint8(sp + 48, 0);
+						}
+					},
+
+					// func valueLength(v ref) int
+					"syscall/js.valueLength": (sp) => {
+						sp >>>= 0;
+						setInt64(sp + 16, parseInt(loadValue(sp + 8).length));
+					},
+
+					// valuePrepareString(v ref) (ref, int)
+					"syscall/js.valuePrepareString": (sp) => {
+						sp >>>= 0;
+						const str = encoder.encode(String(loadValue(sp + 8)));
+						storeValue(sp + 16, str);
+						setInt64(sp + 24, str.length);
+					},
+
+					// valueLoadString(v ref, b []byte)
+					"syscall/js.valueLoadString": (sp) => {
+						sp >>>= 0;
+						const str = loadValue(sp + 8);
+						loadSlice(sp + 16).set(str);
+					},
+
+					// func valueInstanceOf(v ref, t ref) bool
+					"syscall/js.valueInstanceOf": (sp) => {
+						sp >>>= 0;
+						this.mem.setUint8(sp + 24, (loadValue(sp + 8) instanceof loadValue(sp + 16)) ? 1 : 0);
+					},
+
+					// func copyBytesToGo(dst []byte, src ref) (int, bool)
+					"syscall/js.copyBytesToGo": (sp) => {
+						sp >>>= 0;
+						const dst = loadSlice(sp + 8);
+						const src = loadValue(sp + 32);
+						if (!(src instanceof Uint8Array || src instanceof Uint8ClampedArray)) {
+							this.mem.setUint8(sp + 48, 0);
+							return;
+						}
+						const toCopy = src.subarray(0, dst.length);
+						dst.set(toCopy);
+						setInt64(sp + 40, toCopy.length);
+						this.mem.setUint8(sp + 48, 1);
+					},
+
+					// func copyBytesToJS(dst ref, src []byte) (int, bool)
+					"syscall/js.copyBytesToJS": (sp) => {
+						sp >>>= 0;
+						const dst = loadValue(sp + 8);
+						const src = loadSlice(sp + 16);
+						if (!(dst instanceof Uint8Array || dst instanceof Uint8ClampedArray)) {
+							this.mem.setUint8(sp + 48, 0);
+							return;
+						}
+						const toCopy = src.subarray(0, dst.length);
+						dst.set(toCopy);
+						setInt64(sp + 40, toCopy.length);
+						this.mem.setUint8(sp + 48, 1);
+					},
+
+					"debug": (value) => {
+						console.log(value);
+					},
+				}
+			};
+		}
+
+		async run(instance) {
+			if (!(instance instanceof WebAssembly.Instance)) {
+				throw new Error("Go.run: WebAssembly.Instance expected");
+			}
+			this._inst = instance;
+			this.mem = new DataView(this._inst.exports.mem.buffer);
+			this._values = [ // JS values that Go currently has references to, indexed by reference id
+				NaN,
+				0,
+				null,
+				true,
+				false,
+				globalThis,
+				this,
+			];
+			this._goRefCounts = new Array(this._values.length).fill(Infinity); // number of references that Go has to a JS value, indexed by reference id
+			this._ids = new Map([ // mapping from JS values to reference ids
+				[0, 1],
+				[null, 2],
+				[true, 3],
+				[false, 4],
+				[globalThis, 5],
+				[this, 6],
+			]);
+			this._idPool = [];   // unused ids that have been garbage collected
+			this.exited = false; // whether the Go program has exited
+
+			// Pass command line arguments and environment variables to WebAssembly by writing them to the linear memory.
+			let offset = 4096;
+
+			const strPtr = (str) => {
+				const ptr = offset;
+				const bytes = encoder.encode(str + "\0");
+				new Uint8Array(this.mem.buffer, offset, bytes.length).set(bytes);
+				offset += bytes.length;
+				if (offset % 8 !== 0) {
+					offset += 8 - (offset % 8);
+				}
+				return ptr;
+			};
+
+			const argc = this.argv.length;
+
+			const argvPtrs = [];
+			this.argv.forEach((arg) => {
+				argvPtrs.push(strPtr(arg));
+			});
+			argvPtrs.push(0);
+
+			const keys = Object.keys(this.env).sort();
+			keys.forEach((key) => {
+				argvPtrs.push(strPtr(`${key}=${this.env[key]}`));
+			});
+			argvPtrs.push(0);
+
+			const argv = offset;
+			argvPtrs.forEach((ptr) => {
+				this.mem.setUint32(offset, ptr, true);
+				this.mem.setUint32(offset + 4, 0, true);
+				offset += 8;
+			});
+
+			// The linker guarantees global data starts from at least wasmMinDataAddr.
+			// Keep in sync with cmd/link/internal/ld/data.go:wasmMinDataAddr.
+			const wasmMinDataAddr = 4096 + 8192;
+			if (offset >= wasmMinDataAddr) {
+				throw new Error("total length of command line and environment variables exceeds limit");
+			}
+
+			this._inst.exports.run(argc, argv);
+			if (this.exited) {
+				this._resolveExitPromise();
+			}
+			await this._exitPromise;
+		}
+
+		_resume() {
+			if (this.exited) {
+				throw new Error("Go program has already exited");
+			}
+			this._inst.exports.resume();
+			if (this.exited) {
+				this._resolveExitPromise();
+			}
+		}
+
+		_makeFuncWrapper(id) {
+			const go = this;
+			return function () {
+				const event = { id: id, this: this, args: arguments };
+				go._pendingEvent = event;
+				go._resume();
+				return event.result;
+			};
+		}
+	}
+})();

frontend/src/common/prettier/plugins/groovy/index.ts

@@ -0,0 +1,67 @@
+/**
+ * Prettier Plugin for Groovy/Jenkins file formatting
+ * 
+ * This plugin provides support for formatting Groovy and Jenkins files using the groovy-beautify library.
+ * It supports .groovy files and Jenkins-related files like Jenkinsfile.
+ */
+import type { Plugin, Parser, Printer } from 'prettier';
+import groovyBeautify from 'groovy-beautify';
+
+const parserName = 'groovy';
+
+// 语言配置
+const languages = [
+    {
+        name: 'Groovy',
+        aliases: ['groovy'],
+        parsers: [parserName],
+        filenames: ['jenkinsfile', 'Jenkinsfile'],
+        extensions: ['.jenkinsfile', '.Jenkinsfile', '.groovy'],
+        aceMode: 'groovy',
+        tmScope: 'source.groovy',
+        linguistLanguageId: 142,
+        vscodeLanguageIds: ['groovy']
+    },
+];
+
+// 解析器配置
+const groovyParser: Parser<string> = {
+    astFormat: parserName,
+    parse: (text: string) => text,
+    locStart: () => 0,
+    locEnd: (node: string) => node.length,
+};
+
+// 打印器配置
+const groovyPrinter: Printer<string> = {
+    print: (path, options) => {
+        try {
+            return groovyBeautify(path.node, {
+                width: options.printWidth || 80,
+            }).trim();
+        } catch (error) {
+            return path.node;
+        }
+    },
+};
+
+const options = {
+
+};
+
+// 插件对象
+const groovyPlugin: Plugin = {
+    languages,
+    parsers: {
+        [parserName]: groovyParser,
+    },
+    printers: {
+        [parserName]: groovyPrinter,
+    },
+    options,
+};
+
+export default groovyPlugin;
+export { languages };
+export const parsers = groovyPlugin.parsers;
+export const printers = groovyPlugin.printers;

frontend/src/common/prettier/plugins/java/comments.d.ts

@@ -0,0 +1,17 @@
+import type { IToken } from "java-parser";
+import { type AstPath } from "prettier";
+import { type JavaNode, type JavaNonTerminal, type JavaParserOptions } from "./printers/helpers.js";
+export declare function determineFormatterOffOnRanges(cst: JavaNonTerminal): void;
+export declare function isFullyBetweenFormatterOffOn(path: AstPath<JavaNode>): boolean;
+export declare function canAttachComment(node: JavaNode): boolean;
+export declare function handleLineComment(commentNode: JavaComment, _: string, options: JavaParserOptions): boolean;
+export declare function handleRemainingComment(commentNode: JavaComment): boolean;
+export type JavaComment = IToken & {
+    value: string;
+    leading: boolean;
+    trailing: boolean;
+    printed: boolean;
+    enclosingNode?: JavaNonTerminal;
+    precedingNode?: JavaNonTerminal;
+    followingNode?: JavaNonTerminal;
+};

frontend/src/common/prettier/plugins/java/comments.js

@@ -0,0 +1,199 @@
+import { util } from "prettier";
+import parser from "./parser.js";
+import { isEmptyStatement, isNonTerminal, isTerminal } from "./printers/helpers.js";
+const formatterOffOnRangesByCst = new WeakMap();
+export function determineFormatterOffOnRanges(cst) {
+    const { comments } = cst;
+    if (!comments) {
+        return;
+    }
+    const ranges = comments
+        .filter(({ image }) => /^(\/\/\s*@formatter:(off|on)\s*|\/\*\s*@formatter:(off|on)\s*\*\/)$/.test(image))
+        .reduce((ranges, { image, startOffset }) => {
+        const previous = ranges.at(-1);
+        if (image.endsWith("off")) {
+            if ((previous === null || previous === void 0 ? void 0 : previous.on) !== Infinity) {
+                ranges.push({ off: startOffset, on: Infinity });
+            }
+        }
+        else if ((previous === null || previous === void 0 ? void 0 : previous.on) === Infinity) {
+            previous.on = startOffset;
+        }
+        return ranges;
+    }, new Array());
+    formatterOffOnRangesByCst.set(cst, ranges);
+}
+export function isFullyBetweenFormatterOffOn(path) {
+    var _a;
+    const { node, root } = path;
+    const start = parser.locStart(node);
+    const end = parser.locEnd(node);
+    return (((_a = formatterOffOnRangesByCst
+        .get(root)) === null || _a === void 0 ? void 0 : _a.some(range => range.off < start && end < range.on)) === true);
+}
+export function canAttachComment(node) {
+    var _a, _b, _c;
+    if (isTerminal(node)) {
+        const { name, CATEGORIES } = node.tokenType;
+        return (name === "Identifier" ||
+            (CATEGORIES === null || CATEGORIES === void 0 ? void 0 : CATEGORIES.find(({ name }) => name === "BinaryOperator")) !== undefined);
+    }
+    const { children, name } = node;
+    switch (name) {
+        case "argumentList":
+        case "blockStatements":
+        case "emptyStatement":
+        case "enumBodyDeclarations":
+            return false;
+        case "annotationInterfaceMemberDeclaration":
+        case "classMemberDeclaration":
+        case "interfaceMemberDeclaration":
+        case "methodBody":
+            return !children.Semicolon;
+        case "blockStatement":
+            return !children.statement || !isEmptyStatement(children.statement[0]);
+        case "classBodyDeclaration":
+            return !((_a = children.classMemberDeclaration) === null || _a === void 0 ? void 0 : _a[0].children.Semicolon);
+        case "recordBodyDeclaration":
+            return !((_c = (_b = children.classBodyDeclaration) === null || _b === void 0 ? void 0 : _b[0].children.classMemberDeclaration) === null || _c === void 0 ? void 0 : _c[0].children.Semicolon);
+        case "statement":
+            return !isEmptyStatement(node);
+        case "statementWithoutTrailingSubstatement":
+            return !children.emptyStatement;
+        default:
+            return true;
+    }
+}
+export function handleLineComment(commentNode, _, options) {
+    return [
+        handleBinaryExpressionComments,
+        handleFqnOrRefTypeComments,
+        handleIfStatementComments,
+        handleJumpStatementComments,
+        handleLabeledStatementComments,
+        handleNameComments
+    ].some(fn => fn(commentNode, options));
+}
+export function handleRemainingComment(commentNode) {
+    return [
+        handleFqnOrRefTypeComments,
+        handleMethodDeclaratorComments,
+        handleNameComments,
+        handleJumpStatementComments
+    ].some(fn => fn(commentNode));
+}
+function handleBinaryExpressionComments(commentNode, options) {
+    const { enclosingNode, precedingNode, followingNode } = commentNode;
+    if (enclosingNode &&
+        isNonTerminal(enclosingNode) &&
+        enclosingNode.name === "binaryExpression") {
+        if (isBinaryOperator(followingNode)) {
+            if (options.experimentalOperatorPosition === "start") {
+                util.addLeadingComment(followingNode, commentNode);
+            }
+            else {
+                util.addTrailingComment(followingNode, commentNode);
+            }
+            return true;
+        }
+        else if (options.experimentalOperatorPosition === "start" &&
+            isBinaryOperator(precedingNode)) {
+            util.addLeadingComment(precedingNode, commentNode);
+            return true;
+        }
+    }
+    return false;
+}
+function handleFqnOrRefTypeComments(commentNode) {
+    const { enclosingNode, followingNode } = commentNode;
+    if (enclosingNode &&
+        isNonTerminal(enclosingNode) &&
+        enclosingNode.name === "fqnOrRefType" &&
+        followingNode) {
+        util.addLeadingComment(followingNode, commentNode);
+        return true;
+    }
+    return false;
+}
+function handleIfStatementComments(commentNode) {
+    const { enclosingNode, precedingNode } = commentNode;
+    if (enclosingNode &&
+        isNonTerminal(enclosingNode) &&
+        enclosingNode.name === "ifStatement" &&
+        precedingNode &&
+        isNonTerminal(precedingNode) &&
+        precedingNode.name === "statement") {
+        util.addDanglingComment(enclosingNode, commentNode, undefined);
+        return true;
+    }
+    return false;
+}
+function handleJumpStatementComments(commentNode) {
+    const { enclosingNode, precedingNode, followingNode } = commentNode;
+    if (enclosingNode &&
+        !precedingNode &&
+        !followingNode &&
+        isNonTerminal(enclosingNode) &&
+        ["breakStatement", "continueStatement", "returnStatement"].includes(enclosingNode.name)) {
+        util.addTrailingComment(enclosingNode, commentNode);
+        return true;
+    }
+    return false;
+}
+function handleLabeledStatementComments(commentNode) {
+    const { enclosingNode, precedingNode } = commentNode;
+    if (enclosingNode &&
+        precedingNode &&
+        isNonTerminal(enclosingNode) &&
+        enclosingNode.name === "labeledStatement" &&
+        isTerminal(precedingNode) &&
+        precedingNode.tokenType.name === "Identifier") {
+        util.addLeadingComment(precedingNode, commentNode);
+        return true;
+    }
+    return false;
+}
+function handleMethodDeclaratorComments(commentNode) {
+    const { enclosingNode } = commentNode;
+    if (enclosingNode &&
+        isNonTerminal(enclosingNode) &&
+        enclosingNode.name === "methodDeclarator" &&
+        !enclosingNode.children.receiverParameter &&
+        !enclosingNode.children.formalParameterList &&
+        enclosingNode.children.LBrace[0].startOffset < commentNode.startOffset &&
+        commentNode.startOffset < enclosingNode.children.RBrace[0].startOffset) {
+        util.addDanglingComment(enclosingNode, commentNode, undefined);
+        return true;
+    }
+    return false;
+}
+function handleNameComments(commentNode) {
+    const { enclosingNode, precedingNode } = commentNode;
+    if (enclosingNode &&
+        precedingNode &&
+        isNonTerminal(enclosingNode) &&
+        isTerminal(precedingNode) &&
+        precedingNode.tokenType.name === "Identifier" &&
+        [
+            "ambiguousName",
+            "classOrInterfaceTypeToInstantiate",
+            "expressionName",
+            "moduleDeclaration",
+            "moduleName",
+            "packageDeclaration",
+            "packageName",
+            "packageOrTypeName",
+            "typeName"
+        ].includes(enclosingNode.name)) {
+        util.addTrailingComment(precedingNode, commentNode);
+        return true;
+    }
+    return false;
+}
+function isBinaryOperator(node) {
+    var _a;
+    return (node !== undefined &&
+        (isNonTerminal(node)
+            ? node.name === "shiftOperator"
+            : (_a = node.tokenType.CATEGORIES) === null || _a === void 0 ? void 0 : _a.some(({ name }) => name === "BinaryOperator")));
+}

frontend/src/common/prettier/plugins/java/index.d.ts

@@ -0,0 +1,563 @@
+import type { JavaNode } from "./printers/helpers.js";
+declare const _default: {
+    languages: {
+        name: string;
+        parsers: "java"[];
+        group: string;
+        tmScope: string;
+        aceMode: string;
+        codemirrorMode: string;
+        codemirrorMimeType: string;
+        extensions: string[];
+        linguistLanguageId: number;
+        vscodeLanguageIds: string[];
+    }[];
+    parsers: {
+        java: {
+            parse(text: string, options: import("./printers/helpers.js").JavaParserOptions): import("./printers/helpers.js").JavaNonTerminal;
+            astFormat: string;
+            hasPragma(text: string): boolean;
+            locStart(node: JavaNode): number;
+            locEnd(node: JavaNode): number;
+        };
+    };
+    printers: {
+        java: {
+            print(path: import("prettier").AstPath<import("java-parser").ArrayInitializerCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableInitializerListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BlockCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BlockStatementsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LocalVariableDeclarationStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LocalVariableDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LabeledStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExpressionStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").IfStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AssertStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SwitchStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SwitchBlockCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SwitchBlockStatementGroupCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SwitchLabelCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SwitchRuleCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").WhileStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").DoStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BasicForStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").StatementExpressionListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnhancedForStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BreakStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ContinueStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ReturnStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ThrowStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SynchronizedStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TryStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CatchesCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CatchClauseCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CatchFormalParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CatchTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FinallyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TryWithResourcesStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ResourceSpecificationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ResourceListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").YieldStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ForInitCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ForUpdateCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").StatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").StatementWithoutTrailingSubstatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ForStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BlockStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CaseConstantCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CasePatternCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EmptyStatementCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").StatementExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LocalVariableTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ResourceCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableAccessCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").NormalClassDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeParametersCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeParameterListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassExtendsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassImplementsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceTypeListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassMemberDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FieldDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableDeclaratorListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableDeclaratorCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableDeclaratorIdCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannPrimitiveTypeWithOptionalDimsSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannReferenceTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodHeaderCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodDeclaratorCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ReceiverParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FormalParameterListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableParaRegularParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableArityParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ThrowsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExceptionTypeListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").StaticInitializerCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConstructorDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConstructorDeclaratorCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConstructorBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnqualifiedExplicitConstructorInvocationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").QualifiedExplicitConstructorInvocationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnumDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnumBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnumConstantListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnumConstantCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnumBodyDeclarationsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordHeaderCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordComponentListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordComponentCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableArityRecordComponentCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CompactConstructorDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableInitializerCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").VariableModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannClassTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassBodyDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InstanceInitializerCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassPermitsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FieldModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConstructorModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").SimpleTypeNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExplicitConstructorInvocationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EnumConstantModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExceptionTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FormalParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ResultCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordBodyDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordComponentModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannClassOrInterfaceTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannInterfaceTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannPrimitiveTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnannTypeVariableCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LambdaExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LambdaParametersCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LambdaParametersWithBracesCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConciseLambdaParameterListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").NormalLambdaParameterListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RegularLambdaParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConditionalExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BinaryExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnaryExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnaryExpressionNotPlusMinusCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PrimaryCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PrimarySuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FqnOrRefTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FqnOrRefTypePartFirstCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FqnOrRefTypePartRestCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FqnOrRefTypePartCommonCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ParenthesisExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PrimitiveCastExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ReferenceTypeCastExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UnqualifiedClassInstanceCreationExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassOrInterfaceTypeToInstantiateCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodInvocationSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ArgumentListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ArrayCreationExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ArrayCreationExpressionWithoutInitializerSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ArrayCreationWithInitializerSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").DimExprsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").DimExprCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassLiteralSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ArrayAccessSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodReferenceSuffixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").StringTemplateCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TextBlockTemplateCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RecordPatternCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ComponentPatternListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").GuardCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TemplateCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PatternCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypePatternCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CastExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeArgumentsOrDiamondCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").DiamondCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ComponentPatternCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MatchAllPatternCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConciseLambdaParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").EmbeddedExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LambdaBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LambdaParameterListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").NormalLambdaParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LambdaParameterTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").NewExpressionCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PrimaryPrefixCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TemplateArgumentCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").NormalInterfaceDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceExtendsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceMemberDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConstantDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceMethodDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AnnotationInterfaceDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AnnotationInterfaceBodyCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AnnotationInterfaceMemberDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AnnotationInterfaceElementDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").DefaultValueCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AnnotationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ElementValuePairListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ElementValuePairCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ElementValueArrayInitializerCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ElementValueListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ElementValueCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AnnotationInterfaceElementModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ConstantModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfacePermitsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceMethodModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").LiteralCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ShiftOperatorCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").BooleanLiteralCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FloatingPointLiteralCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").IntegerLiteralCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").MethodNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AmbiguousNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeIdentifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExpressionNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PackageNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ModuleNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PackageOrTypeNameCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").CompilationUnitCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").OrdinaryCompilationUnitCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ModularCompilationUnitCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PackageDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ImportDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ModuleDeclarationCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RequiresModuleDirectiveCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ExportsModuleDirectiveCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").OpensModuleDirectiveCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").UsesModuleDirectiveCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ProvidesModuleDirectiveCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ModuleDirectiveCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").RequiresModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PackageModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").PrimitiveTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ReferenceTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeVariableCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").DimsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeParameterCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeBoundCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").AdditionalBoundCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeArgumentsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeArgumentListCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").WildcardCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").WildcardBoundsCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").InterfaceTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").NumericTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").ClassOrInterfaceTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").FloatingPointTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").IntegralTypeCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeArgumentCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").TypeParameterModifierCstNode & {
+                comments?: import("./comments.js").JavaComment[];
+            }> | import("prettier").AstPath<import("java-parser").IToken & {
+                comments?: import("./comments.js").JavaComment[];
+            }>, options: import("prettier").ParserOptions<JavaNode>, print: (path: import("prettier").AstPath<JavaNode>) => import("prettier").Doc, args: unknown): import("prettier/doc.js").builders.Doc;
+            hasPrettierIgnore(path: import("prettier").AstPath<JavaNode>): boolean;
+            canAttachComment: typeof import("./comments.js").canAttachComment;
+            isBlockComment(node: JavaNode): boolean;
+            printComment(commentPath: import("prettier").AstPath<JavaNode>): string | import("prettier/doc.js").builders.Doc[];
+            getCommentChildNodes(node: JavaNode): any[];
+            handleComments: {
+                ownLine: typeof import("./comments.js").handleLineComment;
+                endOfLine: typeof import("./comments.js").handleLineComment;
+                remaining: typeof import("./comments.js").handleRemainingComment;
+            };
+        };
+    };
+    options: {
+        entrypoint: {
+            type: "choice";
+            category: string;
+            default: string;
+            choices: {
+                value: string;
+                description: string;
+            }[];
+            description: string;
+        };
+        arrowParens: {
+            type: "choice";
+            category: string;
+            default: string;
+            choices: {
+                value: string;
+                description: string;
+            }[];
+            description: string;
+        };
+        trailingComma: {
+            type: "choice";
+            category: string;
+            default: string;
+            choices: {
+                value: string;
+                description: string;
+            }[];
+            description: string;
+        };
+        experimentalOperatorPosition: {
+            type: "choice";
+            category: string;
+            default: string;
+            choices: {
+                value: string;
+                description: string;
+            }[];
+            description: string;
+        };
+    };
+    defaultOptions: {
+        arrowParens: "avoid";
+    };
+};
+export default _default;

frontend/src/common/prettier/plugins/java/index.js

@@ -0,0 +1,29 @@
+import options from "./options.js";
+import parser from "./parser.js";
+import printer from "./printer.js";
+export default {
+    languages: [
+        {
+            name: "Java",
+            parsers: ["java"],
+            group: "Java",
+            tmScope: "source.java",
+            aceMode: "java",
+            codemirrorMode: "clike",
+            codemirrorMimeType: "text/x-java",
+            extensions: [".java"],
+            linguistLanguageId: 181,
+            vscodeLanguageIds: ["java"]
+        }
+    ],
+    parsers: {
+        java: parser
+    },
+    printers: {
+        java: printer
+    },
+    options,
+    defaultOptions: {
+        arrowParens: "avoid"
+    }
+};

frontend/src/common/prettier/plugins/java/options.d.ts

@@ -0,0 +1,43 @@
+declare const _default: {
+    entrypoint: {
+        type: "choice";
+        category: string;
+        default: string;
+        choices: {
+            value: string;
+            description: string;
+        }[];
+        description: string;
+    };
+    arrowParens: {
+        type: "choice";
+        category: string;
+        default: string;
+        choices: {
+            value: string;
+            description: string;
+        }[];
+        description: string;
+    };
+    trailingComma: {
+        type: "choice";
+        category: string;
+        default: string;
+        choices: {
+            value: string;
+            description: string;
+        }[];
+        description: string;
+    };
+    experimentalOperatorPosition: {
+        type: "choice";
+        category: string;
+        default: string;
+        choices: {
+            value: string;
+            description: string;
+        }[];
+        description: string;
+    };
+};
+export default _default;

frontend/src/common/prettier/plugins/java/options.js

@@ -0,0 +1,284 @@
+export default {
+    entrypoint: {
+        type: "choice",
+        category: "Global",
+        default: "compilationUnit",
+        // sed -nr 's/.*\.RULE\(([^,]+),.*/\1/p' $(ls path/to/java-parser/rules/folder/*)
+        choices: [
+            { value: "arrayInitializer", description: "" },
+            { value: "variableInitializerList", description: "" },
+            { value: "block", description: "" },
+            { value: "blockStatements", description: "" },
+            { value: "blockStatement", description: "" },
+            { value: "localVariableDeclarationStatement", description: "" },
+            { value: "localVariableDeclaration", description: "" },
+            { value: "localVariableType", description: "" },
+            { value: "statement", description: "" },
+            { value: "statementWithoutTrailingSubstatement", description: "" },
+            { value: "emptyStatement", description: "" },
+            { value: "labeledStatement", description: "" },
+            { value: "expressionStatement", description: "" },
+            { value: "statementExpression", description: "" },
+            { value: "ifStatement", description: "" },
+            { value: "assertStatement", description: "" },
+            { value: "switchStatement", description: "" },
+            { value: "switchBlock", description: "" },
+            { value: "switchBlockStatementGroup", description: "" },
+            { value: "switchLabel", description: "" },
+            { value: "switchRule", description: "" },
+            { value: "caseConstant", description: "" },
+            { value: "casePattern", description: "" },
+            { value: "whileStatement", description: "" },
+            { value: "doStatement", description: "" },
+            { value: "forStatement", description: "" },
+            { value: "basicForStatement", description: "" },
+            { value: "forInit", description: "" },
+            { value: "forUpdate", description: "" },
+            { value: "statementExpressionList", description: "" },
+            { value: "enhancedForStatement", description: "" },
+            { value: "breakStatement", description: "" },
+            { value: "continueStatement", description: "" },
+            { value: "returnStatement", description: "" },
+            { value: "throwStatement", description: "" },
+            { value: "synchronizedStatement", description: "" },
+            { value: "tryStatement", description: "" },
+            { value: "catches", description: "" },
+            { value: "catchClause", description: "" },
+            { value: "catchFormalParameter", description: "" },
+            { value: "catchType", description: "" },
+            { value: "finally", description: "" },
+            { value: "tryWithResourcesStatement", description: "" },
+            { value: "resourceSpecification", description: "" },
+            { value: "resourceList", description: "" },
+            { value: "resource", description: "" },
+            { value: "yieldStatement", description: "" },
+            { value: "variableAccess", description: "" },
+            { value: "classDeclaration", description: "" },
+            { value: "normalClassDeclaration", description: "" },
+            { value: "classModifier", description: "" },
+            { value: "typeParameters", description: "" },
+            { value: "typeParameterList", description: "" },
+            { value: "classExtends", description: "" },
+            { value: "classImplements", description: "" },
+            { value: "interfaceTypeList", description: "" },
+            { value: "classPermits", description: "" },
+            { value: "classBody", description: "" },
+            { value: "classBodyDeclaration", description: "" },
+            { value: "classMemberDeclaration", description: "" },
+            { value: "fieldDeclaration", description: "" },
+            { value: "fieldModifier", description: "" },
+            { value: "variableDeclaratorList", description: "" },
+            { value: "variableDeclarator", description: "" },
+            { value: "variableDeclaratorId", description: "" },
+            { value: "variableInitializer", description: "" },
+            { value: "unannType", description: "" },
+            { value: "unannPrimitiveTypeWithOptionalDimsSuffix", description: "" },
+            { value: "unannPrimitiveType", description: "" },
+            { value: "unannReferenceType", description: "" },
+            { value: "unannClassOrInterfaceType", description: "" },
+            { value: "unannClassType", description: "" },
+            { value: "unannInterfaceType", description: "" },
+            { value: "unannTypeVariable", description: "" },
+            { value: "methodDeclaration", description: "" },
+            { value: "methodModifier", description: "" },
+            { value: "methodHeader", description: "" },
+            { value: "result", description: "" },
+            { value: "methodDeclarator", description: "" },
+            { value: "receiverParameter", description: "" },
+            { value: "formalParameterList", description: "" },
+            { value: "formalParameter", description: "" },
+            { value: "variableParaRegularParameter", description: "" },
+            { value: "variableArityParameter", description: "" },
+            { value: "variableModifier", description: "" },
+            { value: "throws", description: "" },
+            { value: "exceptionTypeList", description: "" },
+            { value: "exceptionType", description: "" },
+            { value: "methodBody", description: "" },
+            { value: "instanceInitializer", description: "" },
+            { value: "staticInitializer", description: "" },
+            { value: "constructorDeclaration", description: "" },
+            { value: "constructorModifier", description: "" },
+            { value: "constructorDeclarator", description: "" },
+            { value: "simpleTypeName", description: "" },
+            { value: "constructorBody", description: "" },
+            { value: "explicitConstructorInvocation", description: "" },
+            { value: "unqualifiedExplicitConstructorInvocation", description: "" },
+            { value: "qualifiedExplicitConstructorInvocation", description: "" },
+            { value: "enumDeclaration", description: "" },
+            { value: "enumBody", description: "" },
+            { value: "enumConstantList", description: "" },
+            { value: "enumConstant", description: "" },
+            { value: "enumConstantModifier", description: "" },
+            { value: "enumBodyDeclarations", description: "" },
+            { value: "recordDeclaration", description: "" },
+            { value: "recordHeader", description: "" },
+            { value: "recordComponentList", description: "" },
+            { value: "recordComponent", description: "" },
+            { value: "variableArityRecordComponent", description: "" },
+            { value: "recordComponentModifier", description: "" },
+            { value: "recordBody", description: "" },
+            { value: "recordBodyDeclaration", description: "" },
+            { value: "compactConstructorDeclaration", description: "" },
+            { value: "isDims", description: "" },
+            { value: "expression", description: "" },
+            { value: "lambdaExpression", description: "" },
+            { value: "lambdaParameters", description: "" },
+            { value: "lambdaParametersWithBraces", description: "" },
+            { value: "lambdaParameterList", description: "" },
+            { value: "conciseLambdaParameterList", description: "" },
+            { value: "normalLambdaParameterList", description: "" },
+            { value: "normalLambdaParameter", description: "" },
+            { value: "regularLambdaParameter", description: "" },
+            { value: "lambdaParameterType", description: "" },
+            { value: "conciseLambdaParameter", description: "" },
+            { value: "lambdaBody", description: "" },
+            { value: "conditionalExpression", description: "" },
+            { value: "binaryExpression", description: "" },
+            { value: "unaryExpression", description: "" },
+            { value: "unaryExpressionNotPlusMinus", description: "" },
+            { value: "primary", description: "" },
+            { value: "primaryPrefix", description: "" },
+            { value: "primarySuffix", description: "" },
+            { value: "fqnOrRefType", description: "" },
+            { value: "fqnOrRefTypePartRest", description: "" },
+            { value: "fqnOrRefTypePartCommon", description: "" },
+            { value: "fqnOrRefTypePartFirst", description: "" },
+            { value: "parenthesisExpression", description: "" },
+            { value: "castExpression", description: "" },
+            { value: "primitiveCastExpression", description: "" },
+            { value: "referenceTypeCastExpression", description: "" },
+            { value: "newExpression", description: "" },
+            { value: "unqualifiedClassInstanceCreationExpression", description: "" },
+            { value: "classOrInterfaceTypeToInstantiate", description: "" },
+            { value: "typeArgumentsOrDiamond", description: "" },
+            { value: "diamond", description: "" },
+            { value: "methodInvocationSuffix", description: "" },
+            { value: "argumentList", description: "" },
+            { value: "arrayCreationExpression", description: "" },
+            {
+                value: "arrayCreationExpressionWithoutInitializerSuffix",
+                description: ""
+            },
+            { value: "arrayCreationWithInitializerSuffix", description: "" },
+            { value: "dimExprs", description: "" },
+            { value: "dimExpr", description: "" },
+            { value: "classLiteralSuffix", description: "" },
+            { value: "arrayAccessSuffix", description: "" },
+            { value: "methodReferenceSuffix", description: "" },
+            { value: "templateArgument", description: "" },
+            { value: "template", description: "" },
+            { value: "stringTemplate", description: "" },
+            { value: "textBlockTemplate", description: "" },
+            { value: "embeddedExpression", description: "" },
+            { value: "pattern", description: "" },
+            { value: "typePattern", description: "" },
+            { value: "recordPattern", description: "" },
+            { value: "componentPatternList", description: "" },
+            { value: "componentPattern", description: "" },
+            { value: "matchAllPattern", description: "" },
+            { value: "guard", description: "" },
+            { value: "isRefTypeInMethodRef", description: "" },
+            { value: "interfaceDeclaration", description: "" },
+            { value: "normalInterfaceDeclaration", description: "" },
+            { value: "interfaceModifier", description: "" },
+            { value: "interfaceExtends", description: "" },
+            { value: "interfacePermits", description: "" },
+            { value: "interfaceBody", description: "" },
+            { value: "interfaceMemberDeclaration", description: "" },
+            { value: "constantDeclaration", description: "" },
+            { value: "constantModifier", description: "" },
+            { value: "interfaceMethodDeclaration", description: "" },
+            { value: "interfaceMethodModifier", description: "" },
+            { value: "annotationInterfaceDeclaration", description: "" },
+            { value: "annotationInterfaceBody", description: "" },
+            { value: "annotationInterfaceMemberDeclaration", description: "" },
+            { value: "annotationInterfaceElementDeclaration", description: "" },
+            { value: "annotationInterfaceElementModifier", description: "" },
+            { value: "defaultValue", description: "" },
+            { value: "annotation", description: "" },
+            { value: "elementValuePairList", description: "" },
+            { value: "elementValuePair", description: "" },
+            { value: "elementValue", description: "" },
+            { value: "elementValueArrayInitializer", description: "" },
+            { value: "elementValueList", description: "" },
+            { value: "literal", description: "" },
+            { value: "integerLiteral", description: "" },
+            { value: "floatingPointLiteral", description: "" },
+            { value: "booleanLiteral", description: "" },
+            { value: "shiftOperator", description: "" },
+            { value: "moduleName", description: "" },
+            { value: "packageName", description: "" },
+            { value: "typeName", description: "" },
+            { value: "expressionName", description: "" },
+            { value: "methodName", description: "" },
+            { value: "packageOrTypeName", description: "" },
+            { value: "ambiguousName", description: "" },
+            { value: "compilationUnit", description: "" },
+            { value: "ordinaryCompilationUnit", description: "" },
+            { value: "modularCompilationUnit", description: "" },
+            { value: "packageDeclaration", description: "" },
+            { value: "packageModifier", description: "" },
+            { value: "importDeclaration", description: "" },
+            { value: "typeDeclaration", description: "" },
+            { value: "moduleDeclaration", description: "" },
+            { value: "moduleDirective", description: "" },
+            { value: "requiresModuleDirective", description: "" },
+            { value: "exportsModuleDirective", description: "" },
+            { value: "opensModuleDirective", description: "" },
+            { value: "usesModuleDirective", description: "" },
+            { value: "providesModuleDirective", description: "" },
+            { value: "requiresModifier", description: "" },
+            { value: "primitiveType", description: "" },
+            { value: "numericType", description: "" },
+            { value: "integralType", description: "" },
+            { value: "floatingPointType", description: "" },
+            { value: "referenceType", description: "" },
+            { value: "classOrInterfaceType", description: "" },
+            { value: "classType", description: "" },
+            { value: "interfaceType", description: "" },
+            { value: "typeVariable", description: "" },
+            { value: "dims", description: "" },
+            { value: "typeParameter", description: "" },
+            { value: "typeParameterModifier", description: "" },
+            { value: "typeBound", description: "" },
+            { value: "additionalBound", description: "" },
+            { value: "typeArguments", description: "" },
+            { value: "typeArgumentList", description: "" },
+            { value: "typeArgument", description: "" },
+            { value: "wildcard", description: "" },
+            { value: "wildcardBounds", description: "" }
+        ],
+        description: "Prettify from the entrypoint, allowing to use prettier on snippet."
+    },
+    arrowParens: {
+        type: "choice",
+        category: "Java",
+        default: "always",
+        choices: [
+            { value: "always", description: "" },
+            { value: "avoid", description: "" }
+        ],
+        description: "Include parentheses around a sole arrow function parameter."
+    },
+    trailingComma: {
+        type: "choice",
+        category: "Java",
+        default: "all",
+        choices: [
+            { value: "all", description: "" },
+            { value: "es5", description: "" },
+            { value: "none", description: "" }
+        ],
+        description: "Print trailing commas wherever possible when multi-line."
+    },
+    experimentalOperatorPosition: {
+        type: "choice",
+        category: "Java",
+        default: "end",
+        choices: [
+            { value: "start", description: "" },
+            { value: "end", description: "" }
+        ],
+        description: "Where to print operators when binary expressions wrap lines."
+    }
+};

frontend/src/common/prettier/plugins/java/parser.d.ts

@@ -0,0 +1,9 @@
+import { type JavaNode, type JavaNonTerminal, type JavaParserOptions } from "./printers/helpers.js";
+declare const _default: {
+    parse(text: string, options: JavaParserOptions): JavaNonTerminal;
+    astFormat: string;
+    hasPragma(text: string): boolean;
+    locStart(node: JavaNode): number;
+    locEnd(node: JavaNode): number;
+};
+export default _default;

frontend/src/common/prettier/plugins/java/parser.js

@@ -0,0 +1,24 @@
+import { parse } from "java-parser";
+import { determineFormatterOffOnRanges } from "./comments.js";
+import { isTerminal } from "./printers/helpers.js";
+export default {
+    parse(text, options) {
+        var _a;
+        const cst = parse(text, options.entrypoint);
+        (_a = cst.comments) === null || _a === void 0 ? void 0 : _a.forEach(comment => {
+            comment.value = comment.image;
+        });
+        determineFormatterOffOnRanges(cst);
+        return cst;
+    },
+    astFormat: "java",
+    hasPragma(text) {
+        return /^\/\*\*\n\s+\*\s@(format|prettier)\n\s+\*\//.test(text);
+    },
+    locStart(node) {
+        return isTerminal(node) ? node.startOffset : node.location.startOffset;
+    },
+    locEnd(node) {
+        return (isTerminal(node) ? node.endOffset : node.location.endOffset) + 1;
+    }
+};

frontend/src/common/prettier/plugins/java/printer.d.ts

@@ -0,0 +1,18 @@
+import type { AstPath } from "prettier";
+import { canAttachComment, handleLineComment, handleRemainingComment } from "./comments.js";
+import { type JavaNode } from "./printers/helpers.js";
+declare const _default: {
+    print(path: DistributedAstPath<JavaNode>, options: import("prettier").ParserOptions<JavaNode>, print: (path: AstPath<JavaNode>) => import("prettier").Doc, args: unknown): import("prettier/doc.js").builders.Doc;
+    hasPrettierIgnore(path: AstPath<JavaNode>): boolean;
+    canAttachComment: typeof canAttachComment;
+    isBlockComment(node: JavaNode): boolean;
+    printComment(commentPath: AstPath<JavaNode>): string | import("prettier/doc.js").builders.Doc[];
+    getCommentChildNodes(node: JavaNode): any[];
+    handleComments: {
+        ownLine: typeof handleLineComment;
+        endOfLine: typeof handleLineComment;
+        remaining: typeof handleRemainingComment;
+    };
+};
+export default _default;
+type DistributedAstPath<T> = T extends any ? AstPath<T> : never;

frontend/src/common/prettier/plugins/java/printer.js

@@ -0,0 +1,40 @@
+import { canAttachComment, handleLineComment, handleRemainingComment, isFullyBetweenFormatterOffOn } from "./comments.js";
+import { isNonTerminal, isTerminal, printComment } from "./printers/helpers.js";
+import { printerForNodeType } from "./printers/index.js";
+export default {
+    print(path, options, print, args) {
+        return hasTerminal(path)
+            ? path.node.image
+            : printerForNodeType(path.node.name)(path, print, options, args);
+    },
+    hasPrettierIgnore(path) {
+        var _a;
+        const { node } = path;
+        return (((_a = node.comments) === null || _a === void 0 ? void 0 : _a.some(({ image }) => /^(\/\/\s*prettier-ignore|\/\*\s*prettier-ignore\s*\*\/)$/.test(image))) === true ||
+            (canAttachComment(node) && isFullyBetweenFormatterOffOn(path)));
+    },
+    canAttachComment,
+    isBlockComment(node) {
+        return isTerminal(node) && node.tokenType.name === "TraditionalComment";
+    },
+    printComment(commentPath) {
+        const { node } = commentPath;
+        if (isNonTerminal(node) || node.tokenType.GROUP !== "comments") {
+            throw new Error(`Not a comment: ${JSON.stringify(node)}`);
+        }
+        return printComment(node);
+    },
+    getCommentChildNodes(node) {
+        return isNonTerminal(node)
+            ? Object.values(node.children).flatMap(child => child)
+            : [];
+    },
+    handleComments: {
+        ownLine: handleLineComment,
+        endOfLine: handleLineComment,
+        remaining: handleRemainingComment
+    }
+};
+function hasTerminal(path) {
+    return isTerminal(path.node);
+}

frontend/src/common/prettier/plugins/java/printers/arrays.d.ts

@@ -0,0 +1,9 @@
+declare const _default: {
+    arrayInitializer(path: import("prettier").AstPath<import("java-parser").ArrayInitializerCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn, options: import("./helpers.js").JavaParserOptions): import("prettier/doc.js").builders.Group | "{}";
+    variableInitializerList(path: import("prettier").AstPath<import("java-parser").VariableInitializerListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): import("prettier/doc.js").builders.Doc[];
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/arrays.js

@@ -0,0 +1,9 @@
+import { printArrayInitializer, printList } from "./helpers.js";
+export default {
+    arrayInitializer(path, print, options) {
+        return printArrayInitializer(path, print, options, "variableInitializerList");
+    },
+    variableInitializerList(path, print) {
+        return printList(path, print, "variableInitializer");
+    }
+};

frontend/src/common/prettier/plugins/java/printers/blocks-and-statements.d.ts

@@ -0,0 +1,117 @@
+import { builders } from "prettier/doc";
+import { printSingle } from "./helpers.js";
+declare const _default: {
+    block(path: import("prettier").AstPath<import("java-parser").BlockCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    blockStatements(path: import("prettier").AstPath<import("java-parser").BlockStatementsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    blockStatement: typeof printSingle;
+    localVariableDeclarationStatement(path: import("prettier").AstPath<import("java-parser").LocalVariableDeclarationStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    localVariableDeclaration(path: import("prettier").AstPath<import("java-parser").LocalVariableDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    localVariableType: typeof printSingle;
+    statement: typeof printSingle;
+    statementWithoutTrailingSubstatement: typeof printSingle;
+    emptyStatement(): string;
+    labeledStatement(path: import("prettier").AstPath<import("java-parser").LabeledStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    expressionStatement(path: import("prettier").AstPath<import("java-parser").ExpressionStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    statementExpression: typeof printSingle;
+    ifStatement(path: import("prettier").AstPath<import("java-parser").IfStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    assertStatement(path: import("prettier").AstPath<import("java-parser").AssertStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    switchStatement(path: import("prettier").AstPath<import("java-parser").SwitchStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    switchBlock(path: import("prettier").AstPath<import("java-parser").SwitchBlockCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    switchBlockStatementGroup(path: import("prettier").AstPath<import("java-parser").SwitchBlockStatementGroupCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    switchLabel(path: import("prettier").AstPath<import("java-parser").SwitchLabelCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): "default" | builders.Group | builders.Doc[];
+    switchRule(path: import("prettier").AstPath<import("java-parser").SwitchRuleCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    caseConstant: typeof printSingle;
+    casePattern: typeof printSingle;
+    whileStatement(path: import("prettier").AstPath<import("java-parser").WhileStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    doStatement(path: import("prettier").AstPath<import("java-parser").DoStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): (string | builders.Group | builders.Doc[])[];
+    forStatement: typeof printSingle;
+    basicForStatement(path: import("prettier").AstPath<import("java-parser").BasicForStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    forInit: typeof printSingle;
+    forUpdate: typeof printSingle;
+    statementExpressionList(path: import("prettier").AstPath<import("java-parser").StatementExpressionListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group;
+    enhancedForStatement(path: import("prettier").AstPath<import("java-parser").EnhancedForStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group;
+    breakStatement(path: import("prettier").AstPath<import("java-parser").BreakStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[] | "break;";
+    continueStatement(path: import("prettier").AstPath<import("java-parser").ContinueStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[] | "continue;";
+    returnStatement(path: import("prettier").AstPath<import("java-parser").ReturnStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    throwStatement(path: import("prettier").AstPath<import("java-parser").ThrowStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    synchronizedStatement(path: import("prettier").AstPath<import("java-parser").SynchronizedStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    tryStatement(path: import("prettier").AstPath<import("java-parser").TryStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc;
+    catches(path: import("prettier").AstPath<import("java-parser").CatchesCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    catchClause(path: import("prettier").AstPath<import("java-parser").CatchClauseCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    catchFormalParameter(path: import("prettier").AstPath<import("java-parser").CatchFormalParameterCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    catchType(path: import("prettier").AstPath<import("java-parser").CatchTypeCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    finally(path: import("prettier").AstPath<import("java-parser").FinallyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    tryWithResourcesStatement(path: import("prettier").AstPath<import("java-parser").TryWithResourcesStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    resourceSpecification(path: import("prettier").AstPath<import("java-parser").ResourceSpecificationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group | "()";
+    resourceList(path: import("prettier").AstPath<import("java-parser").ResourceListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    resource: typeof printSingle;
+    yieldStatement(path: import("prettier").AstPath<import("java-parser").YieldStatementCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    variableAccess: typeof printSingle;
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/blocks-and-statements.js

@@ -0,0 +1,337 @@
+import { builders } from "prettier/doc";
+import { call, definedKeys, indentInParentheses, isBinaryExpression, isEmptyStatement, lineEndWithComments, lineStartWithComments, map, onlyDefinedKey, printBlock, printDanglingComments, printSingle, printWithModifiers } from "./helpers.js";
+const { group, hardline, ifBreak, indent, join, line, softline } = builders;
+export default {
+    block(path, print) {
+        const statements = path.node.children.blockStatements
+            ? call(path, print, "blockStatements")
+            : [];
+        return printBlock(path, statements.length ? [statements] : []);
+    },
+    blockStatements(path, print) {
+        return join(hardline, map(path, statementPath => {
+            const { node, previous } = statementPath;
+            const statement = print(statementPath);
+            return previous &&
+                lineStartWithComments(node) > lineEndWithComments(previous) + 1
+                ? [hardline, statement]
+                : statement;
+        }, "blockStatement").filter(doc => doc !== ""));
+    },
+    blockStatement: printSingle,
+    localVariableDeclarationStatement(path, print) {
+        return [call(path, print, "localVariableDeclaration"), ";"];
+    },
+    localVariableDeclaration(path, print) {
+        const declaration = join(" ", [
+            call(path, print, "localVariableType"),
+            call(path, print, "variableDeclaratorList")
+        ]);
+        return printWithModifiers(path, print, "variableModifier", declaration);
+    },
+    localVariableType: printSingle,
+    statement: printSingle,
+    statementWithoutTrailingSubstatement: printSingle,
+    emptyStatement() {
+        return "";
+    },
+    labeledStatement(path, print) {
+        return [
+            call(path, print, "Identifier"),
+            ": ",
+            call(path, print, "statement")
+        ];
+    },
+    expressionStatement(path, print) {
+        return [call(path, print, "statementExpression"), ";"];
+    },
+    statementExpression: printSingle,
+    ifStatement(path, print) {
+        var _a;
+        const { children } = path.node;
+        const hasEmptyStatement = isEmptyStatement(children.statement[0]);
+        const statements = map(path, print, "statement");
+        const statement = [
+            "if ",
+            indentInParentheses(call(path, print, "expression")),
+            hasEmptyStatement ? ";" : [" ", statements[0]]
+        ];
+        if (children.Else) {
+            const danglingComments = printDanglingComments(path);
+            if (danglingComments.length) {
+                statement.push(hardline, ...danglingComments, hardline);
+            }
+            else {
+                const elseHasBlock = ((_a = children.statement[0].children
+                    .statementWithoutTrailingSubstatement) === null || _a === void 0 ? void 0 : _a[0].children.block) !==
+                    undefined;
+                statement.push(elseHasBlock ? " " : hardline);
+            }
+            const elseHasEmptyStatement = isEmptyStatement(children.statement[1]);
+            statement.push("else", elseHasEmptyStatement ? ";" : [" ", statements[1]]);
+        }
+        return statement;
+    },
+    assertStatement(path, print) {
+        return ["assert ", ...join([" : "], map(path, print, "expression")), ";"];
+    },
+    switchStatement(path, print) {
+        return join(" ", [
+            "switch",
+            indentInParentheses(call(path, print, "expression")),
+            call(path, print, "switchBlock")
+        ]);
+    },
+    switchBlock(path, print) {
+        const { children } = path.node;
+        const caseKeys = definedKeys(children, [
+            "switchBlockStatementGroup",
+            "switchRule"
+        ]);
+        const cases = caseKeys.length === 1 ? map(path, print, caseKeys[0]) : [];
+        return printBlock(path, cases);
+    },
+    switchBlockStatementGroup(path, print) {
+        var _a, _b;
+        const { children } = path.node;
+        const switchLabel = call(path, print, "switchLabel");
+        if (!children.blockStatements) {
+            return [switchLabel, ":"];
+        }
+        const blockStatements = call(path, print, "blockStatements");
+        const statements = children.blockStatements[0].children.blockStatement;
+        const onlyStatementIsBlock = statements.length === 1 &&
+            ((_b = (_a = statements[0].children.statement) === null || _a === void 0 ? void 0 : _a[0].children.statementWithoutTrailingSubstatement) === null || _b === void 0 ? void 0 : _b[0].children.block) !== undefined;
+        return [
+            switchLabel,
+            ":",
+            onlyStatementIsBlock
+                ? [" ", blockStatements]
+                : indent([hardline, blockStatements])
+        ];
+    },
+    switchLabel(path, print) {
+        var _a, _b;
+        const { children } = path.node;
+        if (!((_b = (_a = children.caseConstant) !== null && _a !== void 0 ? _a : children.casePattern) !== null && _b !== void 0 ? _b : children.Null)) {
+            return "default";
+        }
+        const values = [];
+        if (children.Null) {
+            values.push("null");
+            if (children.Default) {
+                values.push("default");
+            }
+        }
+        else {
+            const valuesKey = onlyDefinedKey(children, [
+                "caseConstant",
+                "casePattern"
+            ]);
+            values.push(...map(path, print, valuesKey));
+        }
+        const hasMultipleValues = values.length > 1;
+        const label = hasMultipleValues
+            ? ["case", indent([line, ...join([",", line], values)])]
+            : ["case ", values[0]];
+        return children.guard
+            ? [
+                group([...label, hasMultipleValues ? line : " "]),
+                call(path, print, "guard")
+            ]
+            : group(label);
+    },
+    switchRule(path, print) {
+        const { children } = path.node;
+        const bodyKey = onlyDefinedKey(children, [
+            "block",
+            "expression",
+            "throwStatement"
+        ]);
+        const parts = [
+            call(path, print, "switchLabel"),
+            " -> ",
+            call(path, print, bodyKey)
+        ];
+        if (children.Semicolon) {
+            parts.push(";");
+        }
+        return parts;
+    },
+    caseConstant: printSingle,
+    casePattern: printSingle,
+    whileStatement(path, print) {
+        const statement = call(path, print, "statement");
+        const hasEmptyStatement = isEmptyStatement(path.node.children.statement[0]);
+        return [
+            "while ",
+            indentInParentheses(call(path, print, "expression")),
+            ...[hasEmptyStatement ? ";" : " ", statement]
+        ];
+    },
+    doStatement(path, print) {
+        const hasEmptyStatement = isEmptyStatement(path.node.children.statement[0]);
+        return [
+            "do",
+            hasEmptyStatement ? ";" : [" ", call(path, print, "statement")],
+            " while ",
+            indentInParentheses(call(path, print, "expression")),
+            ";"
+        ];
+    },
+    forStatement: printSingle,
+    basicForStatement(path, print) {
+        const { children } = path.node;
+        const danglingComments = printDanglingComments(path);
+        if (danglingComments.length) {
+            danglingComments.push(hardline);
+        }
+        const expressions = ["forInit", "expression", "forUpdate"].map(expressionKey => expressionKey in children ? call(path, print, expressionKey) : "");
+        const hasEmptyStatement = isEmptyStatement(children.statement[0]);
+        return [
+            ...danglingComments,
+            "for ",
+            expressions.some(expression => expression !== "")
+                ? indentInParentheses(join([";", line], expressions))
+                : "(;;)",
+            hasEmptyStatement ? ";" : [" ", call(path, print, "statement")]
+        ];
+    },
+    forInit: printSingle,
+    forUpdate: printSingle,
+    statementExpressionList(path, print) {
+        return group(map(path, print, "statementExpression").map((expression, index) => index === 0 ? expression : [",", indent([line, expression])]));
+    },
+    enhancedForStatement(path, print) {
+        var _a;
+        const statementNode = path.node.children.statement[0];
+        const forStatement = [
+            printDanglingComments(path),
+            "for ",
+            "(",
+            call(path, print, "localVariableDeclaration"),
+            " : ",
+            call(path, print, "expression"),
+            ")"
+        ];
+        if (isEmptyStatement(statementNode)) {
+            forStatement.push(";");
+        }
+        else {
+            const hasStatementBlock = ((_a = statementNode.children.statementWithoutTrailingSubstatement) === null || _a === void 0 ? void 0 : _a[0].children.block) !== undefined;
+            const statement = call(path, print, "statement");
+            forStatement.push(hasStatementBlock ? [" ", statement] : indent([line, statement]));
+        }
+        return group(forStatement);
+    },
+    breakStatement(path, print) {
+        return path.node.children.Identifier
+            ? ["break ", call(path, print, "Identifier"), ";"]
+            : "break;";
+    },
+    continueStatement(path, print) {
+        return path.node.children.Identifier
+            ? ["continue ", call(path, print, "Identifier"), ";"]
+            : "continue;";
+    },
+    returnStatement(path, print) {
+        const { children } = path.node;
+        const statement = ["return"];
+        if (children.expression) {
+            statement.push(" ");
+            const expression = call(path, print, "expression");
+            if (isBinaryExpression(children.expression[0])) {
+                statement.push(group([
+                    ifBreak("("),
+                    indent([softline, expression]),
+                    softline,
+                    ifBreak(")")
+                ]));
+            }
+            else {
+                statement.push(expression);
+            }
+        }
+        statement.push(";");
+        return statement;
+    },
+    throwStatement(path, print) {
+        return ["throw ", call(path, print, "expression"), ";"];
+    },
+    synchronizedStatement(path, print) {
+        return [
+            "synchronized ",
+            indentInParentheses(call(path, print, "expression")),
+            " ",
+            call(path, print, "block")
+        ];
+    },
+    tryStatement(path, print) {
+        const { children } = path.node;
+        if (children.tryWithResourcesStatement) {
+            return call(path, print, "tryWithResourcesStatement");
+        }
+        const blocks = ["try", call(path, print, "block")];
+        if (children.catches) {
+            blocks.push(call(path, print, "catches"));
+        }
+        if (children.finally) {
+            blocks.push(call(path, print, "finally"));
+        }
+        return join(" ", blocks);
+    },
+    catches(path, print) {
+        return join(" ", map(path, print, "catchClause"));
+    },
+    catchClause(path, print) {
+        return [
+            "catch ",
+            indentInParentheses(call(path, print, "catchFormalParameter")),
+            " ",
+            call(path, print, "block")
+        ];
+    },
+    catchFormalParameter(path, print) {
+        return join(" ", [
+            ...map(path, print, "variableModifier"),
+            call(path, print, "catchType"),
+            call(path, print, "variableDeclaratorId")
+        ]);
+    },
+    catchType(path, print) {
+        return join([line, "| "], [call(path, print, "unannClassType"), ...map(path, print, "classType")]);
+    },
+    finally(path, print) {
+        return ["finally ", call(path, print, "block")];
+    },
+    tryWithResourcesStatement(path, print) {
+        const { children } = path.node;
+        const blocks = [
+            "try",
+            call(path, print, "resourceSpecification"),
+            call(path, print, "block")
+        ];
+        if (children.catches) {
+            blocks.push(call(path, print, "catches"));
+        }
+        if (children.finally) {
+            blocks.push(call(path, print, "finally"));
+        }
+        return join(" ", blocks);
+    },
+    resourceSpecification(path, print) {
+        const resources = [call(path, print, "resourceList")];
+        if (path.node.children.Semicolon) {
+            resources.push(ifBreak(";"));
+        }
+        return indentInParentheses(resources);
+    },
+    resourceList(path, print) {
+        return join([";", line], map(path, print, "resource"));
+    },
+    resource: printSingle,
+    yieldStatement(path, print) {
+        return ["yield ", call(path, print, "expression"), ";"];
+    },
+    variableAccess: printSingle
+};

frontend/src/common/prettier/plugins/java/printers/classes.d.ts

@@ -0,0 +1,157 @@
+import type { ClassBodyCstNode, EnumBodyDeclarationsCstNode } from "java-parser";
+import type { AstPath } from "prettier";
+import { builders } from "prettier/doc";
+import { printClassPermits, printClassType, printSingle, type JavaPrintFn } from "./helpers.js";
+declare const _default: {
+    classDeclaration(path: AstPath<import("java-parser").ClassDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    normalClassDeclaration(path: AstPath<import("java-parser").NormalClassDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    classModifier: typeof printSingle;
+    typeParameters(path: AstPath<import("java-parser").TypeParametersCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group;
+    typeParameterList(path: AstPath<import("java-parser").TypeParameterListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    classExtends(path: AstPath<import("java-parser").ClassExtendsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    classImplements(path: AstPath<import("java-parser").ClassImplementsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group;
+    classPermits: typeof printClassPermits;
+    interfaceTypeList(path: AstPath<import("java-parser").InterfaceTypeListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group;
+    classBody(path: AstPath<ClassBodyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    classBodyDeclaration: typeof printSingle;
+    classMemberDeclaration(path: AstPath<import("java-parser").ClassMemberDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    fieldDeclaration(path: AstPath<import("java-parser").FieldDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    fieldModifier: typeof printSingle;
+    variableDeclaratorList(path: AstPath<import("java-parser").VariableDeclaratorListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | builders.Doc[];
+    variableDeclarator(path: AstPath<import("java-parser").VariableDeclaratorCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    variableDeclaratorId(path: AstPath<import("java-parser").VariableDeclaratorIdCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    variableInitializer: typeof printSingle;
+    unannType: typeof printSingle;
+    unannPrimitiveTypeWithOptionalDimsSuffix(path: AstPath<import("java-parser").UnannPrimitiveTypeWithOptionalDimsSuffixCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    unannPrimitiveType: typeof printSingle;
+    unannReferenceType(path: AstPath<import("java-parser").UnannReferenceTypeCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    unannClassOrInterfaceType: typeof printSingle;
+    unannClassType: typeof printClassType;
+    unannInterfaceType: typeof printSingle;
+    unannTypeVariable: typeof printSingle;
+    methodDeclaration(path: AstPath<import("java-parser").MethodDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    methodModifier: typeof printSingle;
+    methodHeader(path: AstPath<import("java-parser").MethodHeaderCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group;
+    result: typeof printSingle;
+    methodDeclarator(path: AstPath<import("java-parser").MethodDeclaratorCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    receiverParameter(path: AstPath<import("java-parser").ReceiverParameterCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    formalParameterList(path: AstPath<import("java-parser").FormalParameterListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    formalParameter: typeof printSingle;
+    variableParaRegularParameter(path: AstPath<import("java-parser").VariableParaRegularParameterCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    variableArityParameter(path: AstPath<import("java-parser").VariableArityParameterCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    variableModifier: typeof printSingle;
+    throws(path: AstPath<import("java-parser").ThrowsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    exceptionTypeList(path: AstPath<import("java-parser").ExceptionTypeListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    exceptionType: typeof printSingle;
+    methodBody: typeof printSingle;
+    instanceInitializer: typeof printSingle;
+    staticInitializer(path: AstPath<import("java-parser").StaticInitializerCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    constructorDeclaration(path: AstPath<import("java-parser").ConstructorDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    constructorModifier: typeof printSingle;
+    constructorDeclarator(path: AstPath<import("java-parser").ConstructorDeclaratorCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    simpleTypeName: typeof printSingle;
+    constructorBody(path: AstPath<import("java-parser").ConstructorBodyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    explicitConstructorInvocation: typeof printSingle;
+    unqualifiedExplicitConstructorInvocation(path: AstPath<import("java-parser").UnqualifiedExplicitConstructorInvocationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    qualifiedExplicitConstructorInvocation(path: AstPath<import("java-parser").QualifiedExplicitConstructorInvocationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    enumDeclaration(path: AstPath<import("java-parser").EnumDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    enumBody(path: AstPath<import("java-parser").EnumBodyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn, options: import("./helpers.js").JavaParserOptions): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    enumConstantList(path: AstPath<import("java-parser").EnumConstantListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    enumConstant(path: AstPath<import("java-parser").EnumConstantCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    enumConstantModifier: typeof printSingle;
+    enumBodyDeclarations(path: AstPath<EnumBodyDeclarationsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    recordDeclaration(path: AstPath<import("java-parser").RecordDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    recordHeader(path: AstPath<import("java-parser").RecordHeaderCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | "()";
+    recordComponentList(path: AstPath<import("java-parser").RecordComponentListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    recordComponent(path: AstPath<import("java-parser").RecordComponentCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group;
+    variableArityRecordComponent(path: AstPath<import("java-parser").VariableArityRecordComponentCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    recordComponentModifier: typeof printSingle;
+    recordBody(path: AstPath<import("java-parser").RecordBodyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    recordBodyDeclaration: typeof printSingle;
+    compactConstructorDeclaration(path: AstPath<import("java-parser").CompactConstructorDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/classes.js

@@ -0,0 +1,446 @@
+import { builders } from "prettier/doc";
+import { call, each, hasDeclarationAnnotations, hasLeadingComments, indentInParentheses, isBinaryExpression, lineEndWithComments, lineStartWithComments, map, onlyDefinedKey, printBlock, printClassPermits, printClassType, printDanglingComments, printList, printSingle, printWithModifiers } from "./helpers.js";
+const { group, hardline, indent, indentIfBreak, join, line, softline } = builders;
+export default {
+    classDeclaration(path, print) {
+        const declarationKey = onlyDefinedKey(path.node.children, [
+            "enumDeclaration",
+            "normalClassDeclaration",
+            "recordDeclaration"
+        ]);
+        const declaration = call(path, print, declarationKey);
+        return printWithModifiers(path, print, "classModifier", declaration, true);
+    },
+    normalClassDeclaration(path, print) {
+        const { classExtends, classImplements, classPermits, typeParameters } = path.node.children;
+        const header = ["class ", call(path, print, "typeIdentifier")];
+        if (typeParameters) {
+            header.push(call(path, print, "typeParameters"));
+        }
+        if (classExtends) {
+            header.push(indent([line, call(path, print, "classExtends")]));
+        }
+        if (classImplements) {
+            header.push(indent([line, call(path, print, "classImplements")]));
+        }
+        if (classPermits) {
+            header.push(indent([line, call(path, print, "classPermits")]));
+        }
+        return [group(header), " ", call(path, print, "classBody")];
+    },
+    classModifier: printSingle,
+    typeParameters(path, print) {
+        return group([
+            "<",
+            indent([softline, call(path, print, "typeParameterList")]),
+            softline,
+            ">"
+        ]);
+    },
+    typeParameterList(path, print) {
+        return printList(path, print, "typeParameter");
+    },
+    classExtends(path, print) {
+        return ["extends ", call(path, print, "classType")];
+    },
+    classImplements(path, print) {
+        return group([
+            "implements",
+            indent([line, call(path, print, "interfaceTypeList")])
+        ]);
+    },
+    classPermits: printClassPermits,
+    interfaceTypeList(path, print) {
+        return group(printList(path, print, "interfaceType"));
+    },
+    classBody(path, print) {
+        return printBlock(path, printClassBodyDeclarations(path, print));
+    },
+    classBodyDeclaration: printSingle,
+    classMemberDeclaration(path, print) {
+        const { children } = path.node;
+        return children.Semicolon
+            ? ""
+            : call(path, print, onlyDefinedKey(children));
+    },
+    fieldDeclaration(path, print) {
+        const declaration = [
+            call(path, print, "unannType"),
+            " ",
+            call(path, print, "variableDeclaratorList"),
+            ";"
+        ];
+        return printWithModifiers(path, print, "fieldModifier", declaration);
+    },
+    fieldModifier: printSingle,
+    variableDeclaratorList(path, print) {
+        var _a;
+        const declarators = map(path, print, "variableDeclarator");
+        return declarators.length > 1 &&
+            path.node.children.variableDeclarator.some(({ children }) => children.Equals)
+            ? group(indent(join([",", line], declarators)), {
+                shouldBreak: ((_a = path.getNode(4)) === null || _a === void 0 ? void 0 : _a.name) !== "forInit"
+            })
+            : join(", ", declarators);
+    },
+    variableDeclarator(path, print) {
+        var _a, _b;
+        const { children } = path.node;
+        const variableInitializer = (_a = children.variableInitializer) === null || _a === void 0 ? void 0 : _a[0];
+        const declaratorId = call(path, print, "variableDeclaratorId");
+        if (!variableInitializer) {
+            return declaratorId;
+        }
+        const expression = (_b = variableInitializer.children.expression) === null || _b === void 0 ? void 0 : _b[0];
+        const declarator = [declaratorId, " ", call(path, print, "Equals")];
+        const initializer = call(path, print, "variableInitializer");
+        if (hasLeadingComments(variableInitializer) ||
+            (expression && isBinaryExpression(expression))) {
+            declarator.push(group(indent([line, initializer])));
+        }
+        else {
+            const groupId = Symbol("assignment");
+            declarator.push(group(indent(line), { id: groupId }), indentIfBreak(initializer, { groupId }));
+        }
+        return group(declarator);
+    },
+    variableDeclaratorId(path, print) {
+        const { dims, Underscore } = path.node.children;
+        if (Underscore) {
+            return "_";
+        }
+        const identifier = call(path, print, "Identifier");
+        return dims ? [identifier, call(path, print, "dims")] : identifier;
+    },
+    variableInitializer: printSingle,
+    unannType: printSingle,
+    unannPrimitiveTypeWithOptionalDimsSuffix(path, print) {
+        const type = call(path, print, "unannPrimitiveType");
+        return path.node.children.dims ? [type, call(path, print, "dims")] : type;
+    },
+    unannPrimitiveType: printSingle,
+    unannReferenceType(path, print) {
+        const type = call(path, print, "unannClassOrInterfaceType");
+        return path.node.children.dims ? [type, call(path, print, "dims")] : type;
+    },
+    unannClassOrInterfaceType: printSingle,
+    unannClassType: printClassType,
+    unannInterfaceType: printSingle,
+    unannTypeVariable: printSingle,
+    methodDeclaration(path, print) {
+        const declaration = [
+            call(path, print, "methodHeader"),
+            path.node.children.methodBody[0].children.Semicolon ? "" : " ",
+            call(path, print, "methodBody")
+        ];
+        return printWithModifiers(path, print, "methodModifier", declaration);
+    },
+    methodModifier: printSingle,
+    methodHeader(path, print) {
+        const { typeParameters, annotation, throws } = path.node.children;
+        const header = [];
+        if (typeParameters) {
+            header.push(call(path, print, "typeParameters"));
+        }
+        if (annotation) {
+            header.push(join(line, map(path, print, "annotation")));
+        }
+        header.push(call(path, print, "result"), call(path, print, "methodDeclarator"));
+        return throws
+            ? group([
+                ...join(" ", header),
+                group(indent([line, call(path, print, "throws")]))
+            ])
+            : group(join(" ", header));
+    },
+    result: printSingle,
+    methodDeclarator(path, print) {
+        const { dims, formalParameterList, receiverParameter } = path.node.children;
+        const declarator = [call(path, print, "Identifier")];
+        const parameters = [];
+        if (receiverParameter) {
+            parameters.push(call(path, print, "receiverParameter"));
+        }
+        if (formalParameterList) {
+            parameters.push(call(path, print, "formalParameterList"));
+        }
+        const items = parameters.length
+            ? join([",", line], parameters)
+            : printDanglingComments(path);
+        declarator.push(items.length ? indentInParentheses(items) : "()");
+        if (dims) {
+            declarator.push(call(path, print, "dims"));
+        }
+        return declarator;
+    },
+    receiverParameter(path, print) {
+        return join(" ", [
+            ...map(path, print, "annotation"),
+            call(path, print, "unannType"),
+            path.node.children.Identifier
+                ? [call(path, print, "Identifier"), ".this"]
+                : "this"
+        ]);
+    },
+    formalParameterList(path, print) {
+        return printList(path, print, "formalParameter");
+    },
+    formalParameter: printSingle,
+    variableParaRegularParameter(path, print) {
+        return join(" ", [
+            ...map(path, print, "variableModifier"),
+            call(path, print, "unannType"),
+            call(path, print, "variableDeclaratorId")
+        ]);
+    },
+    variableArityParameter(path, print) {
+        const type = join(" ", [
+            ...map(path, print, "variableModifier"),
+            call(path, print, "unannType"),
+            ...map(path, print, "annotation")
+        ]);
+        return [type, "... ", call(path, print, "Identifier")];
+    },
+    variableModifier: printSingle,
+    throws(path, print) {
+        return ["throws ", call(path, print, "exceptionTypeList")];
+    },
+    exceptionTypeList(path, print) {
+        return join(", ", map(path, print, "exceptionType"));
+    },
+    exceptionType: printSingle,
+    methodBody: printSingle,
+    instanceInitializer: printSingle,
+    staticInitializer(path, print) {
+        return ["static ", call(path, print, "block")];
+    },
+    constructorDeclaration(path, print) {
+        const declaration = [call(path, print, "constructorDeclarator")];
+        if (path.node.children.throws) {
+            declaration.push(group(indent([line, call(path, print, "throws")])));
+        }
+        declaration.push(" ", call(path, print, "constructorBody"));
+        return printWithModifiers(path, print, "constructorModifier", declaration, true);
+    },
+    constructorModifier: printSingle,
+    constructorDeclarator(path, print) {
+        const { children } = path.node;
+        const parameters = [];
+        if (children.receiverParameter) {
+            parameters.push(call(path, print, "receiverParameter"));
+        }
+        if (children.formalParameterList) {
+            parameters.push(call(path, print, "formalParameterList"));
+        }
+        const header = [call(path, print, "simpleTypeName")];
+        header.push(parameters.length
+            ? indentInParentheses(join([",", line], parameters))
+            : "()");
+        return children.typeParameters
+            ? [call(path, print, "typeParameters"), " ", ...header]
+            : header;
+    },
+    simpleTypeName: printSingle,
+    constructorBody(path, print) {
+        const { children } = path.node;
+        const statements = [];
+        if (children.explicitConstructorInvocation) {
+            statements.push(call(path, print, "explicitConstructorInvocation"));
+        }
+        if (children.blockStatements) {
+            statements.push(call(path, print, "blockStatements"));
+        }
+        return printBlock(path, statements);
+    },
+    explicitConstructorInvocation: printSingle,
+    unqualifiedExplicitConstructorInvocation(path, print) {
+        const { children } = path.node;
+        const invocation = [];
+        if (children.typeArguments) {
+            invocation.push(call(path, print, "typeArguments"));
+        }
+        invocation.push(children.Super ? "super" : "this");
+        if (children.argumentList) {
+            invocation.push(group(["(", call(path, print, "argumentList"), ")"]));
+        }
+        else {
+            invocation.push(indentInParentheses(printDanglingComments(path), { shouldBreak: true }));
+        }
+        invocation.push(";");
+        return invocation;
+    },
+    qualifiedExplicitConstructorInvocation(path, print) {
+        const { children } = path.node;
+        const invocation = [call(path, print, "expressionName"), "."];
+        if (children.typeArguments) {
+            invocation.push(call(path, print, "typeArguments"));
+        }
+        invocation.push("super");
+        if (children.argumentList) {
+            invocation.push(group(["(", call(path, print, "argumentList"), ")"]));
+        }
+        else {
+            invocation.push(indentInParentheses(printDanglingComments(path), { shouldBreak: true }));
+        }
+        invocation.push(";");
+        return invocation;
+    },
+    enumDeclaration(path, print) {
+        const header = ["enum", call(path, print, "typeIdentifier")];
+        if (path.node.children.classImplements) {
+            header.push(call(path, print, "classImplements"));
+        }
+        return join(" ", [...header, call(path, print, "enumBody")]);
+    },
+    enumBody(path, print, options) {
+        var _a;
+        const { children } = path.node;
+        const contents = [];
+        const hasNonEmptyDeclaration = ((_a = children.enumBodyDeclarations) !== null && _a !== void 0 ? _a : [])
+            .flatMap(({ children }) => { var _a; return (_a = children.classBodyDeclaration) !== null && _a !== void 0 ? _a : []; })
+            .some(({ children }) => { var _a; return !((_a = children.classMemberDeclaration) === null || _a === void 0 ? void 0 : _a[0].children.Semicolon); });
+        if (children.enumConstantList) {
+            contents.push(call(path, print, "enumConstantList"));
+            if (!hasNonEmptyDeclaration && options.trailingComma !== "none") {
+                contents.push(",");
+            }
+        }
+        if (hasNonEmptyDeclaration) {
+            contents.push(";", hardline, call(path, print, "enumBodyDeclarations"));
+        }
+        return printBlock(path, contents.length ? [contents] : []);
+    },
+    enumConstantList(path, print) {
+        return join([",", hardline], map(path, constantPath => {
+            const constant = print(constantPath);
+            const { node, previous } = constantPath;
+            return !previous ||
+                lineStartWithComments(node) <= lineEndWithComments(previous) + 1
+                ? constant
+                : [hardline, constant];
+        }, "enumConstant"));
+    },
+    enumConstant(path, print) {
+        const { argumentList, classBody } = path.node.children;
+        const initializer = [call(path, print, "Identifier")];
+        if (argumentList) {
+            initializer.push(group(["(", call(path, print, "argumentList"), ")"]));
+        }
+        if (classBody) {
+            initializer.push(" ", call(path, print, "classBody"));
+        }
+        return printWithModifiers(path, print, "enumConstantModifier", initializer);
+    },
+    enumConstantModifier: printSingle,
+    enumBodyDeclarations(path, print) {
+        return join(hardline, printClassBodyDeclarations(path, print));
+    },
+    recordDeclaration(path, print) {
+        const { children } = path.node;
+        const header = ["record ", call(path, print, "typeIdentifier")];
+        if (children.typeParameters) {
+            header.push(call(path, print, "typeParameters"));
+        }
+        header.push(call(path, print, "recordHeader"));
+        if (children.classImplements) {
+            header.push(" ", call(path, print, "classImplements"));
+        }
+        return [group(header), " ", call(path, print, "recordBody")];
+    },
+    recordHeader(path, print) {
+        return path.node.children.recordComponentList
+            ? indentInParentheses(call(path, print, "recordComponentList"))
+            : indentInParentheses(printDanglingComments(path), { shouldBreak: true });
+    },
+    recordComponentList(path, print) {
+        return join([",", line], map(path, componentPath => {
+            const { node, previous } = componentPath;
+            const blankLine = previous &&
+                lineStartWithComments(node) > lineEndWithComments(previous) + 1;
+            const component = print(componentPath);
+            return blankLine ? [softline, component] : component;
+        }, "recordComponent"));
+    },
+    recordComponent(path, print) {
+        const { children } = path.node;
+        const component = [call(path, print, "unannType")];
+        if (children.Identifier ||
+            children.variableArityRecordComponent[0].children.annotation) {
+            component.push(" ");
+        }
+        const suffixKey = onlyDefinedKey(children, [
+            "Identifier",
+            "variableArityRecordComponent"
+        ]);
+        component.push(call(path, print, suffixKey));
+        return group(join(line, [...map(path, print, "recordComponentModifier"), component]));
+    },
+    variableArityRecordComponent(path, print) {
+        return [
+            ...join(" ", map(path, print, "annotation")),
+            "... ",
+            call(path, print, "Identifier")
+        ];
+    },
+    recordComponentModifier: printSingle,
+    recordBody(path, print) {
+        const declarations = [];
+        let previousRequiresPadding = false;
+        each(path, declarationPath => {
+            var _a, _b, _c, _d;
+            const declaration = print(declarationPath);
+            if (declaration === "") {
+                return;
+            }
+            const { node, previous } = declarationPath;
+            const fieldDeclaration = (_c = (_b = (_a = node.children.classBodyDeclaration) === null || _a === void 0 ? void 0 : _a[0].children.classMemberDeclaration) === null || _b === void 0 ? void 0 : _b[0].children.fieldDeclaration) === null || _c === void 0 ? void 0 : _c[0].children;
+            const currentRequiresPadding = !fieldDeclaration ||
+                hasDeclarationAnnotations((_d = fieldDeclaration.fieldModifier) !== null && _d !== void 0 ? _d : []);
+            const blankLine = declarations.length > 0 &&
+                (previousRequiresPadding ||
+                    currentRequiresPadding ||
+                    lineStartWithComments(node) > lineEndWithComments(previous) + 1);
+            declarations.push(blankLine ? [hardline, declaration] : declaration);
+            previousRequiresPadding = currentRequiresPadding;
+        }, "recordBodyDeclaration");
+        return printBlock(path, declarations);
+    },
+    recordBodyDeclaration: printSingle,
+    compactConstructorDeclaration(path, print) {
+        const declaration = [
+            call(path, print, "simpleTypeName"),
+            " ",
+            call(path, print, "constructorBody")
+        ];
+        return printWithModifiers(path, print, "constructorModifier", declaration, true);
+    }
+};
+function printClassBodyDeclarations(path, print) {
+    var _a;
+    if (!path.node.children.classBodyDeclaration) {
+        return [];
+    }
+    const declarations = [];
+    let previousRequiresPadding = path.node.name === "enumBodyDeclarations" ||
+        ((_a = path.grandparent) === null || _a === void 0 ? void 0 : _a.name) ===
+            "normalClassDeclaration";
+    each(path, declarationPath => {
+        var _a, _b, _c;
+        const declaration = print(declarationPath);
+        if (declaration === "") {
+            return;
+        }
+        const { node, previous } = declarationPath;
+        const fieldDeclaration = (_b = (_a = node.children.classMemberDeclaration) === null || _a === void 0 ? void 0 : _a[0].children.fieldDeclaration) === null || _b === void 0 ? void 0 : _b[0].children;
+        const currentRequiresPadding = fieldDeclaration
+            ? hasDeclarationAnnotations((_c = fieldDeclaration.fieldModifier) !== null && _c !== void 0 ? _c : [])
+            : true;
+        const blankLine = previousRequiresPadding ||
+            (declarations.length > 0 &&
+                (currentRequiresPadding ||
+                    lineStartWithComments(node) > lineEndWithComments(previous) + 1));
+        declarations.push(blankLine ? [hardline, declaration] : declaration);
+        previousRequiresPadding = currentRequiresPadding;
+    }, "classBodyDeclaration");
+    return declarations;
+}

frontend/src/common/prettier/plugins/java/printers/expressions.d.ts

@@ -0,0 +1,134 @@
+import type { StringTemplateCstNode, TextBlockTemplateCstNode } from "java-parser";
+import type { AstPath } from "prettier";
+import { builders } from "prettier/doc";
+import type { JavaComment } from "../comments.js";
+import { printSingle, type JavaPrintFn } from "./helpers.js";
+declare const _default: {
+    expression: typeof printSingle;
+    lambdaExpression(path: AstPath<import("java-parser").LambdaExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn, _: import("./helpers.js").JavaParserOptions, args?: unknown): builders.Doc[];
+    lambdaParameters(path: AstPath<import("java-parser").LambdaParametersCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn, options: import("./helpers.js").JavaParserOptions): builders.Doc;
+    lambdaParametersWithBraces(path: AstPath<import("java-parser").LambdaParametersWithBracesCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn, options: import("./helpers.js").JavaParserOptions): builders.Doc;
+    lambdaParameterList: typeof printSingle;
+    conciseLambdaParameterList(path: AstPath<import("java-parser").ConciseLambdaParameterListCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    normalLambdaParameterList(path: AstPath<import("java-parser").NormalLambdaParameterListCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    normalLambdaParameter: typeof printSingle;
+    regularLambdaParameter(path: AstPath<import("java-parser").RegularLambdaParameterCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    lambdaParameterType: typeof printSingle;
+    conciseLambdaParameter: typeof printSingle;
+    lambdaBody: typeof printSingle;
+    conditionalExpression(path: AstPath<import("java-parser").ConditionalExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    binaryExpression(path: AstPath<import("java-parser").BinaryExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn, options: import("./helpers.js").JavaParserOptions): builders.Doc;
+    unaryExpression(path: AstPath<import("java-parser").UnaryExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    unaryExpressionNotPlusMinus(path: AstPath<import("java-parser").UnaryExpressionNotPlusMinusCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    primary(path: AstPath<import("java-parser").PrimaryCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    primaryPrefix: typeof printSingle;
+    primarySuffix(path: AstPath<import("java-parser").PrimarySuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    fqnOrRefType(path: AstPath<import("java-parser").FqnOrRefTypeCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn, _: import("./helpers.js").JavaParserOptions, args: unknown): builders.Doc[];
+    fqnOrRefTypePartFirst(path: AstPath<import("java-parser").FqnOrRefTypePartFirstCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    fqnOrRefTypePartRest(path: AstPath<import("java-parser").FqnOrRefTypePartRestCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    fqnOrRefTypePartCommon(path: AstPath<import("java-parser").FqnOrRefTypePartCommonCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    parenthesisExpression(path: AstPath<import("java-parser").ParenthesisExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | "()" | (string | builders.Indent)[];
+    castExpression: typeof printSingle;
+    primitiveCastExpression(path: AstPath<import("java-parser").PrimitiveCastExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    referenceTypeCastExpression(path: AstPath<import("java-parser").ReferenceTypeCastExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    newExpression: typeof printSingle;
+    unqualifiedClassInstanceCreationExpression(path: AstPath<import("java-parser").UnqualifiedClassInstanceCreationExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    classOrInterfaceTypeToInstantiate(path: AstPath<import("java-parser").ClassOrInterfaceTypeToInstantiateCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    typeArgumentsOrDiamond: typeof printSingle;
+    diamond(): string;
+    methodInvocationSuffix(path: AstPath<import("java-parser").MethodInvocationSuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | "()";
+    argumentList(path: AstPath<import("java-parser").ArgumentListCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Group | (builders.Indent | builders.Softline)[] | (builders.BreakParent | builders.Group)[];
+    arrayCreationExpression(path: AstPath<import("java-parser").ArrayCreationExpressionCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    arrayCreationExpressionWithoutInitializerSuffix(path: AstPath<import("java-parser").ArrayCreationExpressionWithoutInitializerSuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    arrayCreationWithInitializerSuffix(path: AstPath<import("java-parser").ArrayCreationWithInitializerSuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    dimExprs(path: AstPath<import("java-parser").DimExprsCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    dimExpr(path: AstPath<import("java-parser").DimExprCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    classLiteralSuffix(path: AstPath<import("java-parser").ClassLiteralSuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    arrayAccessSuffix(path: AstPath<import("java-parser").ArrayAccessSuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    methodReferenceSuffix(path: AstPath<import("java-parser").MethodReferenceSuffixCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    templateArgument: typeof printSingle;
+    template: typeof printSingle;
+    stringTemplate(path: AstPath<StringTemplateCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Indent;
+    textBlockTemplate(path: AstPath<TextBlockTemplateCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Indent;
+    embeddedExpression: typeof printSingle;
+    pattern: typeof printSingle;
+    typePattern: typeof printSingle;
+    recordPattern(path: AstPath<import("java-parser").RecordPatternCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    componentPatternList(path: AstPath<import("java-parser").ComponentPatternListCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    componentPattern: typeof printSingle;
+    matchAllPattern: typeof printSingle;
+    guard(path: AstPath<import("java-parser").GuardCstNode & {
+        comments?: JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/expressions.js

@@ -0,0 +1,598 @@
+import { builders, utils } from "prettier/doc";
+import { call, definedKeys, each, findBaseIndent, flatMap, hasLeadingComments, indentInParentheses, isBinaryExpression, isNonTerminal, isTerminal, map, onlyDefinedKey, printDanglingComments, printList, printName, printSingle } from "./helpers.js";
+const { breakParent, conditionalGroup, group, hardline, ifBreak, indent, indentIfBreak, join, line, lineSuffixBoundary, softline } = builders;
+const { removeLines, willBreak } = utils;
+export default {
+    expression: printSingle,
+    lambdaExpression(path, print, _, args = {}) {
+        var _a;
+        const hug = (_a = args.hug) !== null && _a !== void 0 ? _a : false;
+        const parameters = call(path, print, "lambdaParameters");
+        const expression = [hug ? removeLines(parameters) : parameters, " ->"];
+        const lambdaExpression = path.node.children.lambdaBody[0].children.expression;
+        const body = call(path, print, "lambdaBody");
+        if (lambdaExpression) {
+            const suffix = indent([line, body]);
+            expression.push(group(hug ? [suffix, softline] : suffix));
+        }
+        else {
+            expression.push(" ", body);
+        }
+        return expression;
+    },
+    lambdaParameters(path, print, options) {
+        const parameters = printSingle(path, print);
+        return !path.node.children.lambdaParametersWithBraces &&
+            options.arrowParens === "always"
+            ? ["(", parameters, ")"]
+            : parameters;
+    },
+    lambdaParametersWithBraces(path, print, options) {
+        var _a;
+        const { lambdaParameterList } = path.node.children;
+        if (!lambdaParameterList) {
+            return "()";
+        }
+        const { conciseLambdaParameterList, normalLambdaParameterList } = lambdaParameterList[0].children;
+        const parameterCount = ((_a = conciseLambdaParameterList === null || conciseLambdaParameterList === void 0 ? void 0 : conciseLambdaParameterList[0].children.conciseLambdaParameter) !== null && _a !== void 0 ? _a : normalLambdaParameterList === null || normalLambdaParameterList === void 0 ? void 0 : normalLambdaParameterList[0].children.normalLambdaParameter).length;
+        const parameters = call(path, print, "lambdaParameterList");
+        if (parameterCount > 1) {
+            return indentInParentheses(parameters);
+        }
+        return conciseLambdaParameterList && options.arrowParens === "avoid"
+            ? parameters
+            : ["(", parameters, ")"];
+    },
+    lambdaParameterList: printSingle,
+    conciseLambdaParameterList(path, print) {
+        return printList(path, print, "conciseLambdaParameter");
+    },
+    normalLambdaParameterList(path, print) {
+        return printList(path, print, "normalLambdaParameter");
+    },
+    normalLambdaParameter: printSingle,
+    regularLambdaParameter(path, print) {
+        return join(" ", [
+            ...map(path, print, "variableModifier"),
+            call(path, print, "lambdaParameterType"),
+            call(path, print, "variableDeclaratorId")
+        ]);
+    },
+    lambdaParameterType: printSingle,
+    conciseLambdaParameter: printSingle,
+    lambdaBody: printSingle,
+    conditionalExpression(path, print) {
+        var _a;
+        const binaryExpression = call(path, print, "binaryExpression");
+        if (!path.node.children.QuestionMark) {
+            return binaryExpression;
+        }
+        const expressions = map(path, print, "expression");
+        const contents = indent(join(line, [
+            binaryExpression,
+            ["? ", expressions[0]],
+            [": ", expressions[1]]
+        ]));
+        const isNestedTernary = ((_a = path.getNode(4)) === null || _a === void 0 ? void 0 : _a.name) ===
+            "conditionalExpression";
+        return isNestedTernary ? contents : group(contents);
+    },
+    binaryExpression(path, print, options) {
+        var _a, _b;
+        const { children } = path.node;
+        const operands = flatMap(path, print, definedKeys(children, [
+            "expression",
+            "pattern",
+            "referenceType",
+            "unaryExpression"
+        ]));
+        const operators = flatMap(path, operatorPath => {
+            const { node } = operatorPath;
+            let image;
+            if (isTerminal(node)) {
+                image = node.image;
+            }
+            else if (node.children.Less) {
+                image = "<<";
+            }
+            else {
+                image = node.children.Greater.length === 2 ? ">>" : ">>>";
+            }
+            return { image, doc: print(operatorPath) };
+        }, definedKeys(children, [
+            "AssignmentOperator",
+            "BinaryOperator",
+            "Instanceof",
+            "shiftOperator"
+        ]));
+        const hasNonAssignmentOperators = (operators.length > 0 && !children.AssignmentOperator) ||
+            (children.expression !== undefined &&
+                isBinaryExpression(children.expression[0]));
+        const isInList = ((_a = path.getNode(4)) === null || _a === void 0 ? void 0 : _a.name) === "elementValue" ||
+            ((_b = path.getNode(6)) === null || _b === void 0 ? void 0 : _b.name) === "argumentList";
+        return binary(operands, operators, {
+            hasNonAssignmentOperators,
+            isInList,
+            isRoot: true,
+            operatorPosition: options.experimentalOperatorPosition
+        });
+    },
+    unaryExpression(path, print) {
+        return [
+            ...map(path, print, "UnaryPrefixOperator"),
+            call(path, print, "primary"),
+            ...map(path, print, "UnarySuffixOperator")
+        ];
+    },
+    unaryExpressionNotPlusMinus(path, print) {
+        const { children } = path.node;
+        const expression = [];
+        if (children.UnaryPrefixOperatorNotPlusMinus) {
+            expression.push(...map(path, print, "UnaryPrefixOperatorNotPlusMinus"));
+        }
+        expression.push(call(path, print, "primary"));
+        if (children.UnarySuffixOperator) {
+            expression.push(...map(path, print, "UnarySuffixOperator"));
+        }
+        return join(" ", expression);
+    },
+    primary(path, print) {
+        var _a, _b;
+        const { children } = path.node;
+        if (!children.primarySuffix) {
+            return call(path, print, "primaryPrefix");
+        }
+        const methodInvocations = children.primarySuffix
+            .filter(({ children }) => children.methodInvocationSuffix)
+            .map(({ children }) => children.methodInvocationSuffix[0].children);
+        const hasLambdaMethodParameter = methodInvocations.some(({ argumentList }) => argumentList === null || argumentList === void 0 ? void 0 : argumentList[0].children.expression.some(({ children }) => children.lambdaExpression));
+        const prefixIsCallExpression = children.primaryPrefix[0].children.newExpression;
+        const callExpressionCount = methodInvocations.length +
+            (prefixIsCallExpression ? 1 : 0) +
+            children.primarySuffix.filter(({ children }) => children.unqualifiedClassInstanceCreationExpression).length;
+        const fqnOrRefType = (_a = children.primaryPrefix[0].children.fqnOrRefType) === null || _a === void 0 ? void 0 : _a[0].children;
+        const prefixIsMethodInvocation = (fqnOrRefType === null || fqnOrRefType === void 0 ? void 0 : fqnOrRefType.fqnOrRefTypePartRest) !== undefined &&
+            ((_b = children.primarySuffix) === null || _b === void 0 ? void 0 : _b[0].children.methodInvocationSuffix) !== undefined;
+        const prefixIsStaticMethodInvocation = prefixIsMethodInvocation && isCapitalizedIdentifier(fqnOrRefType);
+        const prefixIsInstanceMethodInvocation = prefixIsMethodInvocation && !prefixIsStaticMethodInvocation;
+        const mustBreakForCallExpressions = methodInvocations.length > 2 && hasLambdaMethodParameter;
+        const separator = mustBreakForCallExpressions ? hardline : softline;
+        const prefix = [
+            call(path, prefixPath => print(prefixPath, {
+                lastSeparator: prefixIsStaticMethodInvocation ||
+                    (prefixIsInstanceMethodInvocation && callExpressionCount === 1)
+                    ? ""
+                    : separator
+            }), "primaryPrefix")
+        ];
+        const canBreakForCallExpressions = callExpressionCount > 2 ||
+            (callExpressionCount === 2 && prefixIsInstanceMethodInvocation) ||
+            willBreak(prefix);
+        const suffixes = [];
+        each(path, suffixPath => {
+            const { node, previous } = suffixPath;
+            const suffix = print(suffixPath);
+            if (node.children.Dot) {
+                if ((canBreakForCallExpressions &&
+                    ((!previous && prefixIsCallExpression) ||
+                        (previous === null || previous === void 0 ? void 0 : previous.children.methodInvocationSuffix) ||
+                        (previous === null || previous === void 0 ? void 0 : previous.children.unqualifiedClassInstanceCreationExpression))) ||
+                    (!node.children.templateArgument && willBreak(suffix))) {
+                    suffixes.push(separator);
+                }
+                suffixes.push(suffix);
+            }
+            else if (previous) {
+                suffixes.push(suffix);
+            }
+            else {
+                prefix.push(prefixIsInstanceMethodInvocation && callExpressionCount >= 2
+                    ? indent(suffix)
+                    : suffix);
+            }
+        }, "primarySuffix");
+        const hasSuffixComments = children.primarySuffix.some(suffix => hasLeadingComments(suffix));
+        return group(canBreakForCallExpressions || hasSuffixComments
+            ? [prefix, indent(suffixes)]
+            : [prefix, ...suffixes]);
+    },
+    primaryPrefix: printSingle,
+    primarySuffix(path, print) {
+        const { children } = path.node;
+        if (!children.Dot) {
+            return printSingle(path, print);
+        }
+        const suffix = ["."];
+        if (children.This) {
+            suffix.push("this");
+        }
+        else if (children.Identifier) {
+            if (children.typeArguments) {
+                suffix.push(call(path, print, "typeArguments"));
+            }
+            suffix.push(call(path, print, "Identifier"));
+        }
+        else {
+            const suffixKey = onlyDefinedKey(children, [
+                "templateArgument",
+                "unqualifiedClassInstanceCreationExpression"
+            ]);
+            suffix.push(call(path, print, suffixKey));
+        }
+        return suffix;
+    },
+    fqnOrRefType(path, print, _, args) {
+        var _a;
+        const lastSeparator = (_a = args.lastSeparator) !== null && _a !== void 0 ? _a : "";
+        const fqnOrRefType = [
+            call(path, print, "fqnOrRefTypePartFirst"),
+            ...map(path, partPath => {
+                const part = print(partPath);
+                return partPath.isLast
+                    ? [willBreak(part) ? hardline : lastSeparator, part]
+                    : part;
+            }, "fqnOrRefTypePartRest")
+        ];
+        fqnOrRefType.push(indent(fqnOrRefType.pop()));
+        return path.node.children.dims
+            ? [fqnOrRefType, call(path, print, "dims")]
+            : fqnOrRefType;
+    },
+    fqnOrRefTypePartFirst(path, print) {
+        return join(" ", [
+            ...map(path, print, "annotation"),
+            call(path, print, "fqnOrRefTypePartCommon")
+        ]);
+    },
+    fqnOrRefTypePartRest(path, print) {
+        const common = call(path, print, "fqnOrRefTypePartCommon");
+        const type = path.node.children.typeArguments
+            ? [call(path, print, "typeArguments"), common]
+            : common;
+        return [".", ...join(" ", [...map(path, print, "annotation"), type])];
+    },
+    fqnOrRefTypePartCommon(path, print) {
+        const { children } = path.node;
+        const keywordKey = onlyDefinedKey(children, ["Identifier", "Super"]);
+        const keyword = call(path, print, keywordKey);
+        return children.typeArguments
+            ? [keyword, call(path, print, "typeArguments")]
+            : keyword;
+    },
+    parenthesisExpression(path, print) {
+        var _a;
+        const expression = call(path, print, "expression");
+        const ancestorName = (_a = path.getNode(14)) === null || _a === void 0 ? void 0 : _a.name;
+        const binaryExpression = path.getNode(8);
+        return ancestorName &&
+            ["guard", "returnStatement"].includes(ancestorName) &&
+            binaryExpression &&
+            binaryExpression.name === "binaryExpression" &&
+            Object.keys(binaryExpression.children).length === 1
+            ? indentInParentheses(expression)
+            : ["(", indent(expression), ")"];
+    },
+    castExpression: printSingle,
+    primitiveCastExpression(path, print) {
+        return [
+            "(",
+            call(path, print, "primitiveType"),
+            ") ",
+            call(path, print, "unaryExpression")
+        ];
+    },
+    referenceTypeCastExpression(path, print) {
+        const { children } = path.node;
+        const type = call(path, print, "referenceType");
+        const cast = children.additionalBound
+            ? indentInParentheses(join(line, [type, ...map(path, print, "additionalBound")]))
+            : ["(", type, ")"];
+        const expressionKey = onlyDefinedKey(children, [
+            "lambdaExpression",
+            "unaryExpressionNotPlusMinus"
+        ]);
+        return [cast, " ", call(path, print, expressionKey)];
+    },
+    newExpression: printSingle,
+    unqualifiedClassInstanceCreationExpression(path, print) {
+        const { children } = path.node;
+        const expression = ["new "];
+        if (children.typeArguments) {
+            expression.push(call(path, print, "typeArguments"));
+        }
+        expression.push(call(path, print, "classOrInterfaceTypeToInstantiate"), children.argumentList
+            ? group(["(", call(path, print, "argumentList"), ")"])
+            : "()");
+        if (children.classBody) {
+            expression.push(" ", call(path, print, "classBody"));
+        }
+        return expression;
+    },
+    classOrInterfaceTypeToInstantiate(path, print) {
+        const { children } = path.node;
+        const type = children.annotation
+            ? flatMap(path, childPath => [
+                print(childPath),
+                isNonTerminal(childPath.node) ? " " : "."
+            ], ["annotation", "Identifier"])
+            : printName(path, print);
+        if (children.typeArgumentsOrDiamond) {
+            type.push(call(path, print, "typeArgumentsOrDiamond"));
+        }
+        return type;
+    },
+    typeArgumentsOrDiamond: printSingle,
+    diamond() {
+        return "<>";
+    },
+    methodInvocationSuffix(path, print) {
+        return path.node.children.argumentList
+            ? group(["(", call(path, print, "argumentList"), ")"])
+            : indentInParentheses(printDanglingComments(path), { shouldBreak: true });
+    },
+    argumentList(path, print) {
+        var _a, _b, _c, _d;
+        const expressions = path.node.children.expression;
+        const lastExpression = expressions.at(-1);
+        const lastExpressionLambdaBodyExpression = (_b = (_a = lastExpression.children.lambdaExpression) === null || _a === void 0 ? void 0 : _a[0].children.lambdaBody[0].children.expression) === null || _b === void 0 ? void 0 : _b[0].children;
+        const lastExpressionLambdaBodyTernaryExpression = (_c = lastExpressionLambdaBodyExpression === null || lastExpressionLambdaBodyExpression === void 0 ? void 0 : lastExpressionLambdaBodyExpression.conditionalExpression) === null || _c === void 0 ? void 0 : _c[0].children;
+        const isHuggable = !lastExpression.comments &&
+            (!lastExpressionLambdaBodyExpression ||
+                (lastExpressionLambdaBodyTernaryExpression === null || lastExpressionLambdaBodyTernaryExpression === void 0 ? void 0 : lastExpressionLambdaBodyTernaryExpression.QuestionMark) !== undefined ||
+                ((_d = lastExpressionLambdaBodyTernaryExpression === null || lastExpressionLambdaBodyTernaryExpression === void 0 ? void 0 : lastExpressionLambdaBodyTernaryExpression.binaryExpression) === null || _d === void 0 ? void 0 : _d[0].children.unaryExpression.length) === 1) &&
+            expressions.findIndex(({ children }) => children.lambdaExpression) ===
+                expressions.length - 1;
+        const args = map(path, print, "expression");
+        const allArgsExpandable = [
+            indent([softline, ...join([",", line], args)]),
+            softline
+        ];
+        if (!isHuggable || willBreak(args.at(-1)[0])) {
+            return allArgsExpandable;
+        }
+        const headArgs = args.slice(0, -1);
+        const huggedLastArg = path.call(argPath => print(argPath, { hug: true }), "children", "expression", args.length - 1);
+        const lastArgExpanded = join(", ", [
+            ...headArgs,
+            group(huggedLastArg, { shouldBreak: true })
+        ]);
+        if (willBreak(huggedLastArg)) {
+            return [
+                breakParent,
+                conditionalGroup([lastArgExpanded, allArgsExpandable])
+            ];
+        }
+        return conditionalGroup([
+            join(", ", [...headArgs, huggedLastArg]),
+            lastArgExpanded,
+            allArgsExpandable
+        ]);
+    },
+    arrayCreationExpression(path, print) {
+        const { children } = path.node;
+        const typeKey = onlyDefinedKey(children, [
+            "classOrInterfaceType",
+            "primitiveType"
+        ]);
+        const suffixKey = onlyDefinedKey(children, [
+            "arrayCreationExpressionWithoutInitializerSuffix",
+            "arrayCreationWithInitializerSuffix"
+        ]);
+        return ["new ", call(path, print, typeKey), call(path, print, suffixKey)];
+    },
+    arrayCreationExpressionWithoutInitializerSuffix(path, print) {
+        const expressions = call(path, print, "dimExprs");
+        return path.node.children.dims
+            ? [expressions, call(path, print, "dims")]
+            : expressions;
+    },
+    arrayCreationWithInitializerSuffix(path, print) {
+        return [
+            call(path, print, "dims"),
+            " ",
+            call(path, print, "arrayInitializer")
+        ];
+    },
+    dimExprs(path, print) {
+        return map(path, print, "dimExpr");
+    },
+    dimExpr(path, print) {
+        return join(" ", [
+            ...map(path, print, "annotation"),
+            ["[", call(path, print, "expression"), "]"]
+        ]);
+    },
+    classLiteralSuffix(path, print) {
+        const lSquares = map(path, print, "LSquare");
+        const rSquares = map(path, print, "RSquare");
+        return [
+            ...lSquares.flatMap((lSquare, index) => [lSquare, rSquares[index]]),
+            ".class"
+        ];
+    },
+    arrayAccessSuffix(path, print) {
+        return ["[", call(path, print, "expression"), "]"];
+    },
+    methodReferenceSuffix(path, print) {
+        const { children } = path.node;
+        const reference = ["::"];
+        if (children.typeArguments) {
+            reference.push(call(path, print, "typeArguments"));
+        }
+        reference.push(call(path, print, onlyDefinedKey(children, ["Identifier", "New"])));
+        return reference;
+    },
+    templateArgument: printSingle,
+    template: printSingle,
+    stringTemplate(path, print) {
+        return printTemplate(path, print, "StringTemplateBegin", "StringTemplateMid", "StringTemplateEnd");
+    },
+    textBlockTemplate(path, print) {
+        return printTemplate(path, print, "TextBlockTemplateBegin", "TextBlockTemplateMid", "TextBlockTemplateEnd");
+    },
+    embeddedExpression: printSingle,
+    pattern: printSingle,
+    typePattern: printSingle,
+    recordPattern(path, print) {
+        const patterns = path.node.children.componentPatternList
+            ? indentInParentheses(call(path, print, "componentPatternList"))
+            : "()";
+        return [call(path, print, "referenceType"), patterns];
+    },
+    componentPatternList(path, print) {
+        return printList(path, print, "componentPattern");
+    },
+    componentPattern: printSingle,
+    matchAllPattern: printSingle,
+    guard(path, print) {
+        var _a;
+        const expression = call(path, print, "expression");
+        const hasParentheses = ((_a = path.node.children.expression[0].children.conditionalExpression) === null || _a === void 0 ? void 0 : _a[0].children.binaryExpression[0].children.unaryExpression[0].children.primary[0].children.primaryPrefix[0].children.parenthesisExpression) !==
+            undefined;
+        return [
+            "when ",
+            hasParentheses
+                ? expression
+                : group([
+                    ifBreak("("),
+                    indent([softline, expression]),
+                    softline,
+                    ifBreak(")")
+                ])
+        ];
+    }
+};
+function binary(operands, operators, { hasNonAssignmentOperators = false, isInList = false, isRoot = false, operatorPosition }) {
+    let levelOperator;
+    let levelPrecedence;
+    let level = [];
+    while (operators.length) {
+        const nextOperator = operators[0].image;
+        const nextPrecedence = getOperatorPrecedence(nextOperator);
+        if (levelPrecedence === undefined || nextPrecedence === levelPrecedence) {
+            const { image: operator, doc: operatorDoc } = operators.shift();
+            level.push(operands.shift());
+            if (levelOperator !== undefined &&
+                needsParentheses(levelOperator, operator)) {
+                level = [["(", group(indent(level)), ")"]];
+            }
+            const parts = [" ", operatorDoc, line];
+            if (operatorPosition === "start" && !isAssignmentOperator(operator)) {
+                parts.reverse();
+            }
+            level.push(parts);
+            levelOperator = operator;
+            levelPrecedence = nextPrecedence;
+        }
+        else if (nextPrecedence < levelPrecedence) {
+            if (!isRoot) {
+                break;
+            }
+            level.push(operands.shift());
+            const content = group(indent(level));
+            operands.unshift(levelOperator !== undefined &&
+                needsParentheses(levelOperator, nextOperator)
+                ? ["(", content, ")"]
+                : content);
+            level = [];
+            levelOperator = undefined;
+            levelPrecedence = undefined;
+        }
+        else {
+            const content = binary(operands, operators, { operatorPosition });
+            operands.unshift(levelOperator !== undefined &&
+                needsParentheses(nextOperator, levelOperator)
+                ? ["(", indent(content), ")"]
+                : content);
+        }
+    }
+    level.push(operands.shift());
+    if (!levelOperator ||
+        (!isInList &&
+            !isAssignmentOperator(levelOperator) &&
+            levelOperator !== "instanceof")) {
+        return group(level);
+    }
+    if (!isRoot || hasNonAssignmentOperators) {
+        return group(indent(level));
+    }
+    const groupId = Symbol("assignment");
+    return group([
+        level[0],
+        group(indent(level[1]), { id: groupId }),
+        indentIfBreak(level[2], { groupId })
+    ]);
+}
+const precedencesByOperator = new Map([
+    ["||"],
+    ["&&"],
+    ["|"],
+    ["^"],
+    ["&"],
+    ["==", "!="],
+    ["<", ">", "<=", ">=", "instanceof"],
+    ["<<", ">>", ">>>"],
+    ["+", "-"],
+    ["*", "/", "%"]
+].flatMap((operators, index) => operators.map(operator => [operator, index])));
+function getOperatorPrecedence(operator) {
+    var _a;
+    return (_a = precedencesByOperator.get(operator)) !== null && _a !== void 0 ? _a : -1;
+}
+function needsParentheses(operator, parentOperator) {
+    return ((operator === "&&" && parentOperator === "||") ||
+        (["|", "^", "&", "<<", ">>", ">>>"].includes(parentOperator) &&
+            getOperatorPrecedence(operator) >
+                getOperatorPrecedence(parentOperator)) ||
+        [operator, parentOperator].every(o => ["==", "!="].includes(o)) ||
+        [operator, parentOperator].every(o => ["<<", ">>", ">>>"].includes(o)) ||
+        (operator === "*" && parentOperator === "/") ||
+        (operator === "/" && parentOperator === "*") ||
+        (operator === "%" && ["+", "-", "*", "/"].includes(parentOperator)) ||
+        (["*", "/"].includes(operator) && parentOperator === "%"));
+}
+const assignmentOperators = new Set([
+    "=",
+    "*=",
+    "/=",
+    "%=",
+    "+=",
+    "-=",
+    "<<=",
+    ">>=",
+    ">>>=",
+    "&=",
+    "^=",
+    "|="
+]);
+function isAssignmentOperator(operator) {
+    return assignmentOperators.has(operator);
+}
+function isCapitalizedIdentifier(fqnOrRefType) {
+    var _a, _b, _c;
+    const nextToLastIdentifier = (_c = (_b = [
+        fqnOrRefType.fqnOrRefTypePartFirst[0],
+        ...((_a = fqnOrRefType.fqnOrRefTypePartRest) !== null && _a !== void 0 ? _a : [])
+    ].at(-2)) === null || _b === void 0 ? void 0 : _b.children.fqnOrRefTypePartCommon[0].children.Identifier) === null || _c === void 0 ? void 0 : _c[0].image;
+    return /^\p{Uppercase_Letter}/u.test(nextToLastIdentifier !== null && nextToLastIdentifier !== void 0 ? nextToLastIdentifier : "");
+}
+function printTemplate(path, print, beginKey, midKey, endKey) {
+    const begin = call(path, ({ node }) => node.image, beginKey);
+    const mids = map(path, ({ node }) => node.image, midKey);
+    const end = call(path, ({ node }) => node.image, endKey);
+    const lines = [begin, ...mids, end].join("").split("\n").slice(1);
+    const baseIndent = findBaseIndent(lines);
+    const prefix = "\n" + " ".repeat(baseIndent);
+    const parts = [begin, ...mids, end].map(image => join(hardline, image.split(prefix)));
+    return indent([
+        parts[0],
+        ...map(path, (expressionPath, index) => {
+            const expression = group([
+                indent([softline, print(expressionPath), lineSuffixBoundary]),
+                softline
+            ]);
+            return index === 0 ? expression : [parts[index], expression];
+        }, "embeddedExpression"),
+        parts.at(-1)
+    ]);
+}

frontend/src/common/prettier/plugins/java/printers/helpers.d.ts

@@ -0,0 +1,71 @@
+import type { AnnotationCstNode, ClassPermitsCstNode, ClassTypeCtx, CstElement, CstNode, ExpressionCstNode, InterfacePermitsCstNode, IToken, StatementCstNode } from "java-parser";
+import type { AstPath, Doc, ParserOptions } from "prettier";
+import { builders } from "prettier/doc";
+import type { JavaComment } from "../comments.js";
+export declare function onlyDefinedKey<T extends Record<string, any>, K extends Key<T> & string>(obj: T, options?: K[]): K;
+export declare function definedKeys<T extends Record<string, any>, K extends Key<T> & string>(obj: T, options?: K[]): K[];
+export declare function printWithModifiers<T extends CstNode, P extends IterProperties<T["children"]>>(path: AstPath<T>, print: JavaPrintFn, modifierChild: P, contents: Doc, noTypeAnnotations?: boolean): builders.Doc[];
+export declare function hasDeclarationAnnotations(modifiers: ModifierNode[]): boolean;
+export declare function call<T extends CstNode, U, P extends IterProperties<T["children"]>>(path: AstPath<T>, callback: MapCallback<IndexValue<IndexValue<T, "children">, P>, U>, child: P): U;
+export declare function each<T extends CstNode, P extends IterProperties<T["children"]>>(path: AstPath<T>, callback: MapCallback<IndexValue<IndexValue<T, "children">, P>, void>, child: P): void;
+export declare function map<T extends CstNode, U, P extends IterProperties<T["children"]>>(path: AstPath<T>, callback: MapCallback<IndexValue<IndexValue<T, "children">, P>, U>, child: P): U[];
+export declare function flatMap<T extends CstNode, U, P extends IterProperties<T["children"]>>(path: AstPath<T>, callback: MapCallback<IndexValue<IndexValue<T, "children">, P>, U>, children: P[]): U[];
+export declare function printSingle(path: AstPath<JavaNonTerminal>, print: JavaPrintFn, _?: JavaParserOptions, args?: unknown): builders.Doc;
+export declare function lineStartWithComments(node: JavaNonTerminal): number;
+export declare function lineEndWithComments(node: JavaNonTerminal): number;
+export declare function printDanglingComments(path: AstPath<JavaNonTerminal>): builders.Doc[];
+export declare function printComment(node: JavaTerminal): string | builders.Doc[];
+export declare function hasLeadingComments(node: JavaNode): boolean | undefined;
+export declare function indentInParentheses(contents: Doc, opts?: {
+    shouldBreak?: boolean;
+}): builders.Group | "()";
+export declare function printArrayInitializer<T extends JavaNonTerminal, P extends IterProperties<T["children"]>>(path: AstPath<T>, print: JavaPrintFn, options: JavaParserOptions, child: P): builders.Group | "{}";
+export declare function printBlock(path: AstPath<JavaNonTerminal>, contents: Doc[]): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+export declare function printName(path: AstPath<JavaNonTerminal & {
+    children: {
+        Identifier: IToken[];
+    };
+}>, print: JavaPrintFn): builders.Doc[];
+export declare function printList<T extends JavaNonTerminal, P extends IterProperties<T["children"]>>(path: AstPath<T>, print: JavaPrintFn, child: P): builders.Doc[];
+export declare function printClassPermits(path: AstPath<ClassPermitsCstNode | InterfacePermitsCstNode>, print: JavaPrintFn): builders.Group;
+export declare function printClassType(path: AstPath<JavaNonTerminal & {
+    children: ClassTypeCtx;
+}>, print: JavaPrintFn): builders.Doc[];
+export declare function isBinaryExpression(expression: ExpressionCstNode): boolean;
+export declare function findBaseIndent(lines: string[]): number;
+export declare function isEmptyStatement(statement: StatementCstNode): boolean;
+export declare function isNonTerminal(node: CstElement): node is JavaNonTerminal;
+export declare function isTerminal(node: CstElement): node is IToken;
+export type JavaNode = CstElement & {
+    comments?: JavaComment[];
+};
+export type JavaNonTerminal = Exclude<JavaNode, IToken>;
+export type JavaTerminal = Exclude<JavaNode, CstNode>;
+export type JavaNodePrinters = {
+    [T in JavaNonTerminal["name"]]: JavaNodePrinter<T>;
+};
+export type JavaNodePrinter<T> = (path: AstPath<Extract<JavaNonTerminal, {
+    name: T;
+}>>, print: JavaPrintFn, options: JavaParserOptions, args?: unknown) => Doc;
+export type JavaPrintFn = (path: AstPath<JavaNode>, args?: unknown) => Doc;
+export type JavaParserOptions = ParserOptions<JavaNode> & {
+    entrypoint?: string;
+};
+export type IterProperties<T> = T extends any[] ? IndexProperties<T> : ArrayProperties<T>;
+type Key<T> = T extends T ? keyof T : never;
+type ModifierNode = JavaNonTerminal & {
+    children: {
+        annotation?: AnnotationCstNode[];
+    };
+};
+type IsTuple<T> = T extends [] ? true : T extends [infer First, ...infer Remain] ? IsTuple<Remain> : false;
+type IndexProperties<T extends {
+    length: number;
+}> = IsTuple<T> extends true ? Exclude<Partial<T>["length"], T["length"]> : number;
+type ArrayProperties<T> = {
+    [K in keyof T]: NonNullable<T[K]> extends readonly any[] ? K : never;
+}[keyof T];
+type ArrayElement<T> = T extends Array<infer E> ? E : never;
+type MapCallback<T, U> = (path: AstPath<ArrayElement<T>>, index: number, value: any) => U;
+type IndexValue<T, P> = T extends any[] ? P extends number ? T[P] : never : P extends keyof T ? T[P] : never;
+export {};

frontend/src/common/prettier/plugins/java/printers/helpers.js

@@ -0,0 +1,239 @@
+import { builders } from "prettier/doc";
+import parser from "../parser.js";
+const { group, hardline, ifBreak, indent, join, line, softline } = builders;
+export function onlyDefinedKey(obj, options) {
+    const keys = definedKeys(obj, options);
+    if (keys.length === 1) {
+        return keys[0];
+    }
+    throw new Error(keys.length > 1
+        ? `More than one defined key found: ${keys}`
+        : "No defined keys found");
+}
+export function definedKeys(obj, options) {
+    return (options !== null && options !== void 0 ? options : Object.keys(obj)).filter(key => obj[key] !== undefined);
+}
+const indexByModifier = [
+    "public",
+    "protected",
+    "private",
+    "abstract",
+    "default",
+    "static",
+    "final",
+    "transient",
+    "volatile",
+    "synchronized",
+    "native",
+    "sealed",
+    "non-sealed",
+    "strictfp"
+].reduce((map, name, index) => map.set(name, index), new Map());
+export function printWithModifiers(path, print, modifierChild, contents, noTypeAnnotations = false) {
+    const declarationAnnotations = [];
+    const otherModifiers = [];
+    const typeAnnotations = [];
+    each(path, modifierPath => {
+        const { children } = modifierPath.node;
+        const modifier = print(modifierPath);
+        if (children.annotation) {
+            (otherModifiers.length ? typeAnnotations : declarationAnnotations).push(modifier);
+        }
+        else {
+            otherModifiers.push(modifier);
+            declarationAnnotations.push(...typeAnnotations);
+            typeAnnotations.length = 0;
+        }
+    }, modifierChild);
+    if (noTypeAnnotations) {
+        declarationAnnotations.push(...typeAnnotations);
+        typeAnnotations.length = 0;
+    }
+    otherModifiers.sort((a, b) => indexByModifier.get(a) - indexByModifier.get(b));
+    return join(hardline, [
+        ...declarationAnnotations,
+        join(" ", [...otherModifiers, ...typeAnnotations, contents])
+    ]);
+}
+export function hasDeclarationAnnotations(modifiers) {
+    let hasAnnotation = false;
+    let hasNonAnnotation = false;
+    for (const modifier of modifiers) {
+        if (modifier.children.annotation) {
+            hasAnnotation = true;
+        }
+        else if (hasAnnotation) {
+            return true;
+        }
+        else {
+            hasNonAnnotation = true;
+        }
+    }
+    return hasAnnotation && !hasNonAnnotation;
+}
+export function call(path, callback, child) {
+    return path.map(callback, "children", child)[0];
+}
+export function each(path, callback, child) {
+    if (path.node.children[child]) {
+        path.each(callback, "children", child);
+    }
+}
+export function map(path, callback, child) {
+    return path.node.children[child] ? path.map(callback, "children", child) : [];
+}
+export function flatMap(path, callback, children) {
+    return children
+        .flatMap(child => map(path, callback, child).map((doc, index) => {
+        const node = path.node.children[child][index];
+        return {
+            doc,
+            startOffset: parser.locStart(node)
+        };
+    }))
+        .sort((a, b) => a.startOffset - b.startOffset)
+        .map(({ doc }) => doc);
+}
+export function printSingle(path, print, _, args) {
+    return call(path, childPath => print(childPath, args), onlyDefinedKey(path.node.children));
+}
+export function lineStartWithComments(node) {
+    const { comments, location } = node;
+    return comments
+        ? Math.min(location.startLine, comments[0].startLine)
+        : location.startLine;
+}
+export function lineEndWithComments(node) {
+    const { comments, location } = node;
+    return comments
+        ? Math.max(location.endLine, comments.at(-1).endLine)
+        : location.endLine;
+}
+export function printDanglingComments(path) {
+    if (!path.node.comments) {
+        return [];
+    }
+    const comments = [];
+    path.each(commentPath => {
+        const comment = commentPath.node;
+        if (comment.leading || comment.trailing) {
+            return;
+        }
+        comment.printed = true;
+        comments.push(printComment(comment));
+    }, "comments");
+    return join(hardline, comments);
+}
+export function printComment(node) {
+    const { image } = node;
+    const lines = image.split("\n").map(line => line.trim());
+    return lines.length > 1 &&
+        lines[0].startsWith("/*") &&
+        lines.slice(1).every(line => line.startsWith("*")) &&
+        lines.at(-1).endsWith("*/")
+        ? join(hardline, lines.map((line, index) => (index === 0 ? line : ` ${line}`)))
+        : image;
+}
+export function hasLeadingComments(node) {
+    var _a;
+    return (_a = node.comments) === null || _a === void 0 ? void 0 : _a.some(({ leading }) => leading);
+}
+export function indentInParentheses(contents, opts) {
+    return !Array.isArray(contents) || contents.length
+        ? group(["(", indent([softline, contents]), softline, ")"], opts)
+        : "()";
+}
+export function printArrayInitializer(path, print, options, child) {
+    const list = [];
+    if (child && child in path.node.children) {
+        list.push(call(path, print, child));
+        if (options.trailingComma !== "none") {
+            list.push(ifBreak(","));
+        }
+    }
+    list.push(...printDanglingComments(path));
+    return list.length ? group(["{", indent([line, ...list]), line, "}"]) : "{}";
+}
+export function printBlock(path, contents) {
+    if (!contents.length) {
+        const danglingComments = printDanglingComments(path);
+        return danglingComments.length
+            ? ["{", indent([hardline, ...danglingComments]), hardline, "}"]
+            : "{}";
+    }
+    return group([
+        "{",
+        indent([hardline, ...join(hardline, contents)]),
+        hardline,
+        "}"
+    ]);
+}
+export function printName(path, print) {
+    return join(".", map(path, print, "Identifier"));
+}
+export function printList(path, print, child) {
+    return join([",", line], map(path, print, child));
+}
+export function printClassPermits(path, print) {
+    return group([
+        "permits",
+        indent([line, group(printList(path, print, "typeName"))])
+    ]);
+}
+export function printClassType(path, print) {
+    const { children } = path.node;
+    return definedKeys(children, ["annotation", "Identifier", "typeArguments"])
+        .flatMap(child => children[child].map((node, index) => ({
+        child,
+        index,
+        startOffset: parser.locStart(node)
+    })))
+        .sort((a, b) => a.startOffset - b.startOffset)
+        .flatMap(({ child, index: childIndex }, index, array) => {
+        const node = children[child][childIndex];
+        const next = array.at(index + 1);
+        const nextNode = next && children[next.child][next.index];
+        const docs = [path.call(print, "children", child, childIndex)];
+        if (nextNode) {
+            if (isNonTerminal(node)) {
+                docs.push(node.name === "annotation" ? " " : ".");
+            }
+            else if (isTerminal(nextNode) || nextNode.name === "annotation") {
+                docs.push(".");
+            }
+        }
+        return docs;
+    });
+}
+export function isBinaryExpression(expression) {
+    var _a;
+    const conditionalExpression = (_a = expression.children.conditionalExpression) === null || _a === void 0 ? void 0 : _a[0].children;
+    if (!conditionalExpression) {
+        return false;
+    }
+    const isTernary = conditionalExpression.QuestionMark !== undefined;
+    if (isTernary) {
+        return false;
+    }
+    const hasNonAssignmentOperators = Object.values(conditionalExpression.binaryExpression[0].children).some(child => {
+        var _a;
+        return isTerminal(child[0]) &&
+            !((_a = child[0].tokenType.CATEGORIES) === null || _a === void 0 ? void 0 : _a.some(category => category.name === "AssignmentOperator"));
+    });
+    return hasNonAssignmentOperators;
+}
+export function findBaseIndent(lines) {
+    return lines.length
+        ? Math.min(...lines.map(line => line.search(/\S/)).filter(indent => indent >= 0))
+        : 0;
+}
+export function isEmptyStatement(statement) {
+    var _a;
+    return (((_a = statement.children.statementWithoutTrailingSubstatement) === null || _a === void 0 ? void 0 : _a[0].children.emptyStatement) !== undefined);
+}
+export function isNonTerminal(node) {
+    return !isTerminal(node);
+}
+export function isTerminal(node) {
+    return "tokenType" in node;
+}

frontend/src/common/prettier/plugins/java/printers/index.d.ts

@@ -0,0 +1,2 @@
+import type { JavaNodePrinter, JavaNodePrinters } from "./helpers.js";
+export declare function printerForNodeType<T extends keyof JavaNodePrinters>(type: T): JavaNodePrinter<T>;

frontend/src/common/prettier/plugins/java/printers/index.js

@@ -0,0 +1,13 @@
+import arrays from "./arrays.js";
+import blocksAndStatements from "./blocks-and-statements.js";
+import classes from "./classes.js";
+import expressions from "./expressions.js";
+import interfaces from "./interfaces.js";
+import lexicalStructure from "./lexical-structure.js";
+import names from "./names.js";
+import packagesAndModules from "./packages-and-modules.js";
+import typesValuesAndVariables from "./types-values-and-variables.js";
+const printersByNodeType = Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign(Object.assign({}, arrays), blocksAndStatements), classes), expressions), interfaces), lexicalStructure), names), packagesAndModules), typesValuesAndVariables);
+export function printerForNodeType(type) {
+    return printersByNodeType[type];
+}

frontend/src/common/prettier/plugins/java/printers/interfaces.d.ts

@@ -0,0 +1,62 @@
+import { builders } from "prettier/doc";
+import { printClassPermits, printSingle } from "./helpers.js";
+declare const _default: {
+    interfaceDeclaration(path: import("prettier").AstPath<import("java-parser").InterfaceDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    normalInterfaceDeclaration(path: import("prettier").AstPath<import("java-parser").NormalInterfaceDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    interfaceModifier: typeof printSingle;
+    interfaceExtends(path: import("prettier").AstPath<import("java-parser").InterfaceExtendsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group;
+    interfacePermits: typeof printClassPermits;
+    interfaceBody(path: import("prettier").AstPath<import("java-parser").InterfaceBodyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    interfaceMemberDeclaration(path: import("prettier").AstPath<import("java-parser").InterfaceMemberDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc;
+    constantDeclaration(path: import("prettier").AstPath<import("java-parser").ConstantDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    constantModifier: typeof printSingle;
+    interfaceMethodDeclaration(path: import("prettier").AstPath<import("java-parser").InterfaceMethodDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    interfaceMethodModifier: typeof printSingle;
+    annotationInterfaceDeclaration(path: import("prettier").AstPath<import("java-parser").AnnotationInterfaceDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    annotationInterfaceBody(path: import("prettier").AstPath<import("java-parser").AnnotationInterfaceBodyCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group | "{}" | (string | builders.Indent | builders.Hardline)[];
+    annotationInterfaceMemberDeclaration(path: import("prettier").AstPath<import("java-parser").AnnotationInterfaceMemberDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc;
+    annotationInterfaceElementDeclaration(path: import("prettier").AstPath<import("java-parser").AnnotationInterfaceElementDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    annotationInterfaceElementModifier: typeof printSingle;
+    defaultValue(path: import("prettier").AstPath<import("java-parser").DefaultValueCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    annotation(path: import("prettier").AstPath<import("java-parser").AnnotationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    elementValuePairList(path: import("prettier").AstPath<import("java-parser").ElementValuePairListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    elementValuePair(path: import("prettier").AstPath<import("java-parser").ElementValuePairCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    elementValue: typeof printSingle;
+    elementValueArrayInitializer(path: import("prettier").AstPath<import("java-parser").ElementValueArrayInitializerCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn, options: import("./helpers.js").JavaParserOptions): builders.Group | "{}";
+    elementValueList(path: import("prettier").AstPath<import("java-parser").ElementValueListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group;
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/interfaces.js

@@ -0,0 +1,157 @@
+import { builders } from "prettier/doc";
+import { call, each, hasDeclarationAnnotations, indentInParentheses, lineEndWithComments, lineStartWithComments, onlyDefinedKey, printArrayInitializer, printBlock, printClassPermits, printList, printSingle, printWithModifiers } from "./helpers.js";
+const { group, hardline, indent, join, line } = builders;
+export default {
+    interfaceDeclaration(path, print) {
+        const declarationKey = onlyDefinedKey(path.node.children, [
+            "annotationInterfaceDeclaration",
+            "normalInterfaceDeclaration"
+        ]);
+        return printWithModifiers(path, print, "interfaceModifier", call(path, print, declarationKey), true);
+    },
+    normalInterfaceDeclaration(path, print) {
+        const { interfaceExtends, interfacePermits, typeParameters } = path.node.children;
+        const header = ["interface ", call(path, print, "typeIdentifier")];
+        if (typeParameters) {
+            header.push(call(path, print, "typeParameters"));
+        }
+        if (interfaceExtends) {
+            header.push(indent([line, call(path, print, "interfaceExtends")]));
+        }
+        if (interfacePermits) {
+            header.push(indent([line, call(path, print, "interfacePermits")]));
+        }
+        return [group(header), " ", call(path, print, "interfaceBody")];
+    },
+    interfaceModifier: printSingle,
+    interfaceExtends(path, print) {
+        return group([
+            "extends",
+            indent([line, call(path, print, "interfaceTypeList")])
+        ]);
+    },
+    interfacePermits: printClassPermits,
+    interfaceBody(path, print) {
+        const declarations = [];
+        let previousRequiresPadding = false;
+        each(path, declarationPath => {
+            var _a, _b, _c, _d;
+            const declaration = print(declarationPath);
+            if (declaration === "") {
+                return;
+            }
+            const { node, previous } = declarationPath;
+            const constantDeclaration = (_a = node.children.constantDeclaration) === null || _a === void 0 ? void 0 : _a[0].children;
+            const methodDeclaration = (_b = node.children.interfaceMethodDeclaration) === null || _b === void 0 ? void 0 : _b[0].children;
+            const currentRequiresPadding = (!constantDeclaration && !methodDeclaration) ||
+                (methodDeclaration === null || methodDeclaration === void 0 ? void 0 : methodDeclaration.methodBody[0].children.block) !== undefined ||
+                hasDeclarationAnnotations((_d = (_c = constantDeclaration === null || constantDeclaration === void 0 ? void 0 : constantDeclaration.constantModifier) !== null && _c !== void 0 ? _c : methodDeclaration === null || methodDeclaration === void 0 ? void 0 : methodDeclaration.interfaceMethodModifier) !== null && _d !== void 0 ? _d : []);
+            const blankLine = declarations.length > 0 &&
+                (previousRequiresPadding ||
+                    currentRequiresPadding ||
+                    lineStartWithComments(node) > lineEndWithComments(previous) + 1);
+            declarations.push(blankLine ? [hardline, declaration] : declaration);
+            previousRequiresPadding = currentRequiresPadding;
+        }, "interfaceMemberDeclaration");
+        return printBlock(path, declarations);
+    },
+    interfaceMemberDeclaration(path, print) {
+        const { children } = path.node;
+        return children.Semicolon
+            ? ""
+            : call(path, print, onlyDefinedKey(children));
+    },
+    constantDeclaration(path, print) {
+        const declaration = [
+            call(path, print, "unannType"),
+            " ",
+            call(path, print, "variableDeclaratorList"),
+            ";"
+        ];
+        return printWithModifiers(path, print, "constantModifier", declaration);
+    },
+    constantModifier: printSingle,
+    interfaceMethodDeclaration(path, print) {
+        const declaration = [
+            call(path, print, "methodHeader"),
+            path.node.children.methodBody[0].children.Semicolon ? "" : " ",
+            call(path, print, "methodBody")
+        ];
+        return printWithModifiers(path, print, "interfaceMethodModifier", declaration);
+    },
+    interfaceMethodModifier: printSingle,
+    annotationInterfaceDeclaration(path, print) {
+        return join(" ", [
+            "@interface",
+            call(path, print, "typeIdentifier"),
+            call(path, print, "annotationInterfaceBody")
+        ]);
+    },
+    annotationInterfaceBody(path, print) {
+        const declarations = [];
+        each(path, declarationPath => {
+            const declaration = print(declarationPath);
+            if (declaration === "") {
+                return;
+            }
+            declarations.push(declarationPath.isFirst ? declaration : [hardline, declaration]);
+        }, "annotationInterfaceMemberDeclaration");
+        return printBlock(path, declarations);
+    },
+    annotationInterfaceMemberDeclaration(path, print) {
+        const { children } = path.node;
+        return children.Semicolon
+            ? ""
+            : call(path, print, onlyDefinedKey(children));
+    },
+    annotationInterfaceElementDeclaration(path, print) {
+        const { dims, defaultValue } = path.node.children;
+        const declaration = [
+            call(path, print, "unannType"),
+            " ",
+            call(path, print, "Identifier"),
+            "()"
+        ];
+        if (dims) {
+            declaration.push(call(path, print, "dims"));
+        }
+        if (defaultValue) {
+            declaration.push(" ", call(path, print, "defaultValue"));
+        }
+        declaration.push(";");
+        return printWithModifiers(path, print, "annotationInterfaceElementModifier", declaration);
+    },
+    annotationInterfaceElementModifier: printSingle,
+    defaultValue(path, print) {
+        return ["default ", call(path, print, "elementValue")];
+    },
+    annotation(path, print) {
+        const { children } = path.node;
+        const annotation = ["@", call(path, print, "typeName")];
+        if (children.elementValue || children.elementValuePairList) {
+            const valuesKey = onlyDefinedKey(children, [
+                "elementValue",
+                "elementValuePairList"
+            ]);
+            annotation.push(indentInParentheses(call(path, print, valuesKey)));
+        }
+        return annotation;
+    },
+    elementValuePairList(path, print) {
+        return printList(path, print, "elementValuePair");
+    },
+    elementValuePair(path, print) {
+        return join(" ", [
+            call(path, print, "Identifier"),
+            call(path, print, "Equals"),
+            call(path, print, "elementValue")
+        ]);
+    },
+    elementValue: printSingle,
+    elementValueArrayInitializer(path, print, options) {
+        return printArrayInitializer(path, print, options, "elementValueList");
+    },
+    elementValueList(path, print) {
+        return group(printList(path, print, "elementValue"));
+    }
+};

frontend/src/common/prettier/plugins/java/printers/lexical-structure.d.ts

@@ -0,0 +1,14 @@
+import { builders } from "prettier/doc";
+import { printSingle } from "./helpers.js";
+declare const _default: {
+    literal(path: import("prettier").AstPath<import("java-parser").LiteralCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc;
+    integerLiteral: typeof printSingle;
+    floatingPointLiteral: typeof printSingle;
+    booleanLiteral: typeof printSingle;
+    shiftOperator(path: import("prettier").AstPath<import("java-parser").ShiftOperatorCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/lexical-structure.js

@@ -0,0 +1,29 @@
+import { builders } from "prettier/doc";
+import { findBaseIndent, map, onlyDefinedKey, printSingle } from "./helpers.js";
+const { hardline, indent, join } = builders;
+export default {
+    literal(path, print) {
+        const { TextBlock } = path.node.children;
+        if (!TextBlock) {
+            return printSingle(path, print);
+        }
+        const [open, ...lines] = TextBlock[0].image.split("\n");
+        const baseIndent = findBaseIndent(lines);
+        const textBlock = join(hardline, [
+            open,
+            ...lines.map(line => line.slice(baseIndent))
+        ]);
+        const ancestor = path.getNode(14);
+        return (ancestor === null || ancestor === void 0 ? void 0 : ancestor.name) === "variableInitializer" ||
+            ((ancestor === null || ancestor === void 0 ? void 0 : ancestor.name) === "binaryExpression" &&
+                ancestor.children.AssignmentOperator)
+            ? indent(textBlock)
+            : textBlock;
+    },
+    integerLiteral: printSingle,
+    floatingPointLiteral: printSingle,
+    booleanLiteral: printSingle,
+    shiftOperator(path, print) {
+        return map(path, print, onlyDefinedKey(path.node.children));
+    }
+};

frontend/src/common/prettier/plugins/java/printers/names.d.ts

@@ -0,0 +1,12 @@
+import { printName, printSingle } from "./helpers.js";
+declare const _default: {
+    typeIdentifier: typeof printSingle;
+    moduleName: typeof printName;
+    packageName: typeof printName;
+    typeName: typeof printName;
+    expressionName: typeof printName;
+    methodName: typeof printSingle;
+    packageOrTypeName: typeof printName;
+    ambiguousName: typeof printName;
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/names.js

@@ -0,0 +1,11 @@
+import { printName, printSingle } from "./helpers.js";
+export default {
+    typeIdentifier: printSingle,
+    moduleName: printName,
+    packageName: printName,
+    typeName: printName,
+    expressionName: printName,
+    methodName: printSingle,
+    packageOrTypeName: printName,
+    ambiguousName: printName
+};

frontend/src/common/prettier/plugins/java/printers/packages-and-modules.d.ts

@@ -0,0 +1,46 @@
+import type { ExportsModuleDirectiveCstNode, ImportDeclarationCstNode, OpensModuleDirectiveCstNode } from "java-parser";
+import type { AstPath } from "prettier";
+import { builders } from "prettier/doc";
+import { printSingle, type JavaPrintFn } from "./helpers.js";
+declare const _default: {
+    compilationUnit(path: AstPath<import("java-parser").CompilationUnitCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    ordinaryCompilationUnit(path: AstPath<import("java-parser").OrdinaryCompilationUnitCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    modularCompilationUnit(path: AstPath<import("java-parser").ModularCompilationUnitCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    packageDeclaration(path: AstPath<import("java-parser").PackageDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    packageModifier: typeof printSingle;
+    importDeclaration(path: AstPath<ImportDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    typeDeclaration(path: AstPath<import("java-parser").TypeDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc;
+    moduleDeclaration(path: AstPath<import("java-parser").ModuleDeclarationCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    moduleDirective: typeof printSingle;
+    requiresModuleDirective(path: AstPath<import("java-parser").RequiresModuleDirectiveCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    exportsModuleDirective(path: AstPath<ExportsModuleDirectiveCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    opensModuleDirective(path: AstPath<OpensModuleDirectiveCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    usesModuleDirective(path: AstPath<import("java-parser").UsesModuleDirectiveCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    providesModuleDirective(path: AstPath<import("java-parser").ProvidesModuleDirectiveCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: JavaPrintFn): builders.Doc[];
+    requiresModifier: typeof printSingle;
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/packages-and-modules.js

@@ -0,0 +1,169 @@
+import { builders } from "prettier/doc";
+import { call, lineEndWithComments, lineStartWithComments, map, printBlock, printDanglingComments, printName, printSingle } from "./helpers.js";
+const { group, hardline, indent, join, line } = builders;
+export default {
+    compilationUnit(path, print) {
+        return [...printDanglingComments(path), printSingle(path, print), hardline];
+    },
+    ordinaryCompilationUnit(path, print) {
+        const { children } = path.node;
+        const declarations = [];
+        if (children.packageDeclaration) {
+            declarations.push(call(path, print, "packageDeclaration"));
+        }
+        if (children.importDeclaration) {
+            const staticCount = sortImports(children.importDeclaration);
+            const importDeclarations = map(path, print, "importDeclaration").filter(doc => doc !== "");
+            const staticDeclarations = importDeclarations.slice(0, staticCount);
+            const nonStaticDeclarations = importDeclarations.slice(staticCount);
+            declarations.push(...[staticDeclarations, nonStaticDeclarations]
+                .filter(({ length }) => length)
+                .map(declarations => join(hardline, declarations)));
+        }
+        if (children.typeDeclaration) {
+            declarations.push(...map(path, print, "typeDeclaration").filter(declaration => declaration !== ""));
+        }
+        return join([hardline, hardline], declarations);
+    },
+    modularCompilationUnit(path, print) {
+        const { children } = path.node;
+        const declarations = [];
+        if (children.importDeclaration) {
+            const staticCount = sortImports(children.importDeclaration);
+            const importDeclarations = map(path, print, "importDeclaration").filter(doc => doc !== "");
+            const staticDeclarations = importDeclarations.slice(0, staticCount);
+            const nonStaticDeclarations = importDeclarations.slice(staticCount);
+            declarations.push(...[staticDeclarations, nonStaticDeclarations]
+                .filter(({ length }) => length)
+                .map(declarations => join(hardline, declarations)));
+        }
+        declarations.push(call(path, print, "moduleDeclaration"));
+        return join([hardline, hardline], declarations);
+    },
+    packageDeclaration(path, print) {
+        return join(hardline, [
+            ...map(path, print, "packageModifier"),
+            ["package ", printName(path, print), ";"]
+        ]);
+    },
+    packageModifier: printSingle,
+    importDeclaration(path, print) {
+        const { children } = path.node;
+        if (children.emptyStatement) {
+            return call(path, print, "emptyStatement");
+        }
+        const declaration = ["import "];
+        if (children.Static) {
+            declaration.push("static ");
+        }
+        declaration.push(call(path, print, "packageOrTypeName"));
+        if (children.Star) {
+            declaration.push(".*");
+        }
+        declaration.push(";");
+        return declaration;
+    },
+    typeDeclaration(path, print) {
+        return path.node.children.Semicolon ? "" : printSingle(path, print);
+    },
+    moduleDeclaration(path, print) {
+        const { annotation, Open } = path.node.children;
+        const prefix = [];
+        if (annotation) {
+            prefix.push(...map(path, print, "annotation"));
+        }
+        if (Open) {
+            prefix.push("open");
+        }
+        const declarations = map(path, declarationPath => {
+            const declaration = print(declarationPath);
+            const { node, previous } = declarationPath;
+            return !previous ||
+                lineStartWithComments(node) <= lineEndWithComments(previous) + 1
+                ? declaration
+                : [hardline, declaration];
+        }, "moduleDirective");
+        return join(" ", [
+            ...prefix,
+            "module",
+            printName(path, print),
+            printBlock(path, declarations)
+        ]);
+    },
+    moduleDirective: printSingle,
+    requiresModuleDirective(path, print) {
+        return join(" ", [
+            "requires",
+            ...map(path, print, "requiresModifier"),
+            [call(path, print, "moduleName"), ";"]
+        ]);
+    },
+    exportsModuleDirective(path, print) {
+        return printToModuleNamesDirective(path, print, "exports");
+    },
+    opensModuleDirective(path, print) {
+        return printToModuleNamesDirective(path, print, "opens");
+    },
+    usesModuleDirective(path, print) {
+        return ["uses ", call(path, print, "typeName"), ";"];
+    },
+    providesModuleDirective(path, print) {
+        const [firstTypeName, ...restTypeNames] = map(path, print, "typeName");
+        return [
+            "provides ",
+            firstTypeName,
+            group(indent([
+                line,
+                group(indent(["with", line, ...join([",", line], restTypeNames)]))
+            ])),
+            ";"
+        ];
+    },
+    requiresModifier: printSingle
+};
+function sortImports(importDeclarations) {
+    importDeclarations.sort(({ children: a }, { children: b }) => {
+        if (a.Static && !b.Static) {
+            return -1;
+        }
+        else if (b.Static && !a.Static) {
+            return 1;
+        }
+        if (!b.packageOrTypeName) {
+            if (a.packageOrTypeName) {
+                return -1;
+            }
+            return 0;
+        }
+        else if (!a.packageOrTypeName) {
+            return 1;
+        }
+        return compareFqn(a.packageOrTypeName[0], b.packageOrTypeName[0]);
+    });
+    return importDeclarations.reduce((staticCount, importDeclaration) => importDeclaration.children.Static ? staticCount + 1 : staticCount, 0);
+}
+function compareFqn(a, b) {
+    const identifiersA = a.children.Identifier;
+    const identifiersB = b.children.Identifier;
+    const minParts = Math.min(identifiersA.length, identifiersB.length);
+    for (let i = 0; i < minParts; i++) {
+        const imageA = identifiersA[i].image;
+        const imageB = identifiersB[i].image;
+        if (imageA < imageB) {
+            return -1;
+        }
+        else if (imageA > imageB) {
+            return 1;
+        }
+    }
+    return identifiersA.length - identifiersB.length;
+}
+function printToModuleNamesDirective(path, print, prefix) {
+    const directive = [prefix, " ", call(path, print, "packageName")];
+    if (path.node.children.moduleName) {
+        const moduleNames = join([",", line], map(path, print, "moduleName"));
+        directive.push(group(indent([line, group(indent(["to", line, ...moduleNames]))])));
+    }
+    directive.push(";");
+    return directive;
+}

frontend/src/common/prettier/plugins/java/printers/types-values-and-variables.d.ts

@@ -0,0 +1,46 @@
+import { builders } from "prettier/doc";
+import { printClassType, printSingle } from "./helpers.js";
+declare const _default: {
+    primitiveType(path: import("prettier").AstPath<import("java-parser").PrimitiveTypeCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    numericType: typeof printSingle;
+    integralType: typeof printSingle;
+    floatingPointType: typeof printSingle;
+    referenceType(path: import("prettier").AstPath<import("java-parser").ReferenceTypeCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    classOrInterfaceType: typeof printSingle;
+    classType: typeof printClassType;
+    interfaceType: typeof printSingle;
+    typeVariable(path: import("prettier").AstPath<import("java-parser").TypeVariableCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    dims(path: import("prettier").AstPath<import("java-parser").DimsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    typeParameter(path: import("prettier").AstPath<import("java-parser").TypeParameterCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    typeParameterModifier: typeof printSingle;
+    typeBound(path: import("prettier").AstPath<import("java-parser").TypeBoundCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    additionalBound(path: import("prettier").AstPath<import("java-parser").AdditionalBoundCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    typeArguments(path: import("prettier").AstPath<import("java-parser").TypeArgumentsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Group;
+    typeArgumentList(path: import("prettier").AstPath<import("java-parser").TypeArgumentListCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    typeArgument: typeof printSingle;
+    wildcard(path: import("prettier").AstPath<import("java-parser").WildcardCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+    wildcardBounds(path: import("prettier").AstPath<import("java-parser").WildcardBoundsCstNode & {
+        comments?: import("../comments.js").JavaComment[];
+    }>, print: import("./helpers.js").JavaPrintFn): builders.Doc[];
+};
+export default _default;

frontend/src/common/prettier/plugins/java/printers/types-values-and-variables.js

@@ -0,0 +1,90 @@
+import { builders } from "prettier/doc";
+import { call, definedKeys, flatMap, isNonTerminal, map, onlyDefinedKey, printClassType, printList, printSingle } from "./helpers.js";
+const { group, indent, join, line, softline } = builders;
+export default {
+    primitiveType(path, print) {
+        const { children } = path.node;
+        const typeKey = onlyDefinedKey(children, ["Boolean", "numericType"]);
+        return join(" ", [
+            ...map(path, print, "annotation"),
+            call(path, print, typeKey)
+        ]);
+    },
+    numericType: printSingle,
+    integralType: printSingle,
+    floatingPointType: printSingle,
+    referenceType(path, print) {
+        const { children } = path.node;
+        const typeKey = onlyDefinedKey(children, [
+            "primitiveType",
+            "classOrInterfaceType"
+        ]);
+        const type = call(path, print, typeKey);
+        return join(" ", [
+            ...map(path, print, "annotation"),
+            children.dims ? [type, call(path, print, "dims")] : type
+        ]);
+    },
+    classOrInterfaceType: printSingle,
+    classType: printClassType,
+    interfaceType: printSingle,
+    typeVariable(path, print) {
+        return join(" ", [
+            ...map(path, print, "annotation"),
+            call(path, print, "Identifier")
+        ]);
+    },
+    dims(path, print) {
+        return flatMap(path, childPath => {
+            const child = print(childPath);
+            return isNonTerminal(childPath.node) ? [child, " "] : child;
+        }, definedKeys(path.node.children, ["annotation", "LSquare", "RSquare"]));
+    },
+    typeParameter(path, print) {
+        const parameter = [
+            ...map(path, print, "typeParameterModifier"),
+            call(path, print, "typeIdentifier")
+        ];
+        if (path.node.children.typeBound) {
+            parameter.push(call(path, print, "typeBound"));
+        }
+        return join(" ", parameter);
+    },
+    typeParameterModifier: printSingle,
+    typeBound(path, print) {
+        const bound = ["extends ", call(path, print, "classOrInterfaceType")];
+        if (path.node.children.additionalBound) {
+            bound.push(group(indent([line, ...join(line, map(path, print, "additionalBound"))])));
+        }
+        return bound;
+    },
+    additionalBound(path, print) {
+        return ["& ", call(path, print, "interfaceType")];
+    },
+    typeArguments(path, print) {
+        return group([
+            "<",
+            indent([softline, call(path, print, "typeArgumentList")]),
+            softline,
+            ">"
+        ]);
+    },
+    typeArgumentList(path, print) {
+        return printList(path, print, "typeArgument");
+    },
+    typeArgument: printSingle,
+    wildcard(path, print) {
+        const wildcard = [...map(path, print, "annotation"), "?"];
+        if (path.node.children.wildcardBounds) {
+            wildcard.push(call(path, print, "wildcardBounds"));
+        }
+        return join(" ", wildcard);
+    },
+    wildcardBounds(path, print) {
+        return [
+            path.node.children.Extends ? "extends" : "super",
+            " ",
+            call(path, print, "referenceType")
+        ];
+    }
+};

frontend/src/common/prettier/plugins/php/index.d.ts

@@ -0,0 +1,4 @@
+import type { Plugin } from "prettier";
+
+declare const plugin: Plugin;
+export default plugin;

frontend/src/common/prettier/plugins/php/index.mjs

@@ -0,0 +1,19 @@
+export {
+  languages, 
+  printers, 
+  parsers, 
+  options, 
+  defaultOptions 
+} from './src/index.mjs';
+
+import { languages, printers, parsers, options, defaultOptions } from './src/index.mjs';
+
+const phpPlugin = {
+  languages,
+  printers, 
+  parsers,
+  options,
+  defaultOptions
+};
+
+export default phpPlugin;

frontend/src/common/prettier/plugins/php/src/clean.mjs

@@ -0,0 +1,111 @@
+import { printNumber, normalizeMagicMethodName } from "./util.mjs";
+
+const ignoredProperties = new Set([
+  "loc",
+  "range",
+  "raw",
+  "comments",
+  "leadingComments",
+  "trailingComments",
+  "parenthesizedExpression",
+  "parent",
+  "prev",
+  "start",
+  "end",
+  "tokens",
+  "errors",
+  "extra",
+]);
+
+/**
+ * This function takes the existing ast node and a copy, by reference
+ * We use it for testing, so that we can compare pre-post versions of the AST,
+ * excluding things we don't care about (like node location, case that will be
+ * changed by the printer, etc.)
+ */
+function clean(node, newObj) {
+  if (node.kind === "string") {
+    // TODO if options are available in this method, replace with
+    // newObj.isDoubleQuote = !useSingleQuote(node, options);
+    delete newObj.isDoubleQuote;
+  }
+
+  if (["array", "list"].includes(node.kind)) {
+    // TODO if options are available in this method, assign instead of delete
+    delete newObj.shortForm;
+  }
+
+  if (node.kind === "inline") {
+    if (node.value.includes("___PSEUDO_INLINE_PLACEHOLDER___")) {
+      return null;
+    }
+
+    newObj.value = newObj.value.replace(/\n/g, "");
+  }
+
+  // continue ((2)); -> continue 2;
+  // continue 1; -> continue;
+  if ((node.kind === "continue" || node.kind === "break") && node.level) {
+    const { level } = newObj;
+
+    if (level.kind === "number") {
+      newObj.level = level.value === "1" ? null : level;
+    }
+  }
+
+  // if () {{ }} -> if () {}
+  if (node.kind === "block") {
+    if (node.children.length === 1 && node.children[0].kind === "block") {
+      while (newObj.children[0].kind === "block") {
+        newObj.children = newObj.children[0].children;
+      }
+    }
+  }
+
+  // Normalize numbers
+  if (node.kind === "number") {
+    newObj.value = printNumber(node.value);
+  }
+
+  const statements = ["foreach", "for", "if", "while", "do"];
+
+  if (statements.includes(node.kind)) {
+    if (node.body && node.body.kind !== "block") {
+      newObj.body = {
+        kind: "block",
+        children: [newObj.body],
+      };
+    } else {
+      newObj.body = newObj.body ? newObj.body : null;
+    }
+
+    if (node.alternate && node.alternate.kind !== "block") {
+      newObj.alternate = {
+        kind: "block",
+        children: [newObj.alternate],
+      };
+    } else {
+      newObj.alternate = newObj.alternate ? newObj.alternate : null;
+    }
+  }
+
+  if (node.kind === "usegroup" && typeof node.name === "string") {
+    newObj.name = newObj.name.replace(/^\\/, "");
+  }
+
+  if (node.kind === "useitem") {
+    newObj.name = newObj.name.replace(/^\\/, "");
+  }
+
+  if (node.kind === "method" && node.name.kind === "identifier") {
+    newObj.name.name = normalizeMagicMethodName(newObj.name.name);
+  }
+
+  if (node.kind === "noop") {
+    return null;
+  }
+}
+
+clean.ignoredProperties = ignoredProperties;
+
+export default clean;

frontend/src/common/prettier/plugins/php/src/index.mjs

@@ -0,0 +1,173 @@
+import { doc } from "prettier";
+import LINGUIST_LANGUAGES_PHP from "linguist-languages/data/PHP";
+import LINGUIST_LANGUAGES_HTML_PHP from "linguist-languages/data/HTML_2b_PHP";
+import parse from "./parser.mjs";
+import print from "./printer.mjs";
+import clean from "./clean.mjs";
+import options from "./options.mjs";
+import {
+  handleOwnLineComment,
+  handleEndOfLineComment,
+  handleRemainingComment,
+  getCommentChildNodes,
+  canAttachComment,
+  isBlockComment,
+} from "./comments.mjs";
+import { hasPragma, insertPragma } from "./pragma.mjs";
+import { locStart, locEnd } from "./loc.mjs";
+
+const { join, hardline } = doc.builders;
+
+function createLanguage(linguistData, { extend, override }) {
+  const language = {};
+
+  for (const key in linguistData) {
+    const newKey = key === "languageId" ? "linguistLanguageId" : key;
+    language[newKey] = linguistData[key];
+  }
+
+  if (extend) {
+    for (const key in extend) {
+      language[key] = (language[key] || []).concat(extend[key]);
+    }
+  }
+
+  for (const key in override) {
+    language[key] = override[key];
+  }
+
+  return language;
+}
+
+const languages = [
+  createLanguage(LINGUIST_LANGUAGES_PHP, {
+    override: {
+      parsers: ["php"],
+      vscodeLanguageIds: ["php"],
+    },
+  }),
+  createLanguage(LINGUIST_LANGUAGES_HTML_PHP, {
+    override: {
+      parsers: ["php"],
+      vscodeLanguageIds: ["php"],
+    },
+  }),
+];
+
+const parsers = {
+  php: {
+    parse,
+    astFormat: "php",
+    locStart,
+    locEnd,
+    hasPragma,
+  },
+};
+
+const ignoredKeys = new Set([
+  "kind",
+  "loc",
+  "errors",
+  "extra",
+  "comments",
+  "leadingComments",
+  "enclosingNode",
+  "precedingNode",
+  "followingNode",
+]);
+function getVisitorKeys(node, nonTraversableKeys) {
+  return Object.keys(node).filter(
+    (key) => !nonTraversableKeys.has(key) && !ignoredKeys.has(key)
+  );
+}
+
+const printers = {
+  php: {
+    print,
+    getVisitorKeys,
+    insertPragma,
+    massageAstNode: clean,
+    getCommentChildNodes,
+    canAttachComment,
+    isBlockComment,
+    handleComments: {
+      ownLine: handleOwnLineComment,
+      endOfLine: handleEndOfLineComment,
+      remaining: handleRemainingComment,
+    },
+    willPrintOwnComments(path) {
+      const { node } = path;
+
+      return node && node.kind === "noop";
+    },
+    printComment(path) {
+      const comment = path.node;
+
+      switch (comment.kind) {
+        case "commentblock": {
+          // for now, don't touch single line block comments
+          if (!comment.value.includes("\n")) {
+            return comment.value;
+          }
+
+          const lines = comment.value.split("\n");
+          // if this is a block comment, handle indentation
+          if (
+            lines
+              .slice(1, lines.length - 1)
+              .every((line) => line.trim()[0] === "*")
+          ) {
+            return join(
+              hardline,
+              lines.map(
+                (line, index) =>
+                  (index > 0 ? " " : "") +
+                  (index < lines.length - 1 ? line.trim() : line.trimLeft())
+              )
+            );
+          }
+
+          // otherwise we can't be sure about indentation, so just print as is
+          return comment.value;
+        }
+        case "commentline": {
+          return comment.value.trimRight();
+        }
+        /* c8 ignore next 2 */
+        default:
+          throw new Error(`Not a comment: ${JSON.stringify(comment)}`);
+      }
+    },
+    hasPrettierIgnore(path) {
+      const isSimpleIgnore = (comment) =>
+        comment.value.includes("prettier-ignore") &&
+        !comment.value.includes("prettier-ignore-start") &&
+        !comment.value.includes("prettier-ignore-end");
+
+      const { node, parent: parentNode } = path;
+
+      return (
+        (node &&
+          node.kind !== "classconstant" &&
+          node.comments &&
+          node.comments.length > 0 &&
+          node.comments.some(isSimpleIgnore)) ||
+        // For proper formatting, the classconstant ignore formatting should
+        // run on the "constant" child
+        (node &&
+          node.kind === "constant" &&
+          parentNode &&
+          parentNode.kind === "classconstant" &&
+          parentNode.comments &&
+          parentNode.comments.length > 0 &&
+          parentNode.comments.some(isSimpleIgnore))
+      );
+    },
+  },
+};
+
+const defaultOptions = {
+  tabWidth: 4,
+};
+
+export { languages, printers, parsers, options, defaultOptions };

frontend/src/common/prettier/plugins/php/src/loc.mjs

@@ -0,0 +1,4 @@
+const loc = (prop) => (node) => node.loc?.[prop]?.offset;
+
+export const locStart = loc("start");
+export const locEnd = loc("end");

frontend/src/common/prettier/plugins/php/src/needs-parens.mjs

@@ -0,0 +1,250 @@
+import { getPrecedence, shouldFlatten, isBitwiseOperator } from "./util.mjs";
+
+function needsParens(path, options) {
+  const { parent } = path;
+
+  if (!parent) {
+    return false;
+  }
+
+  const { key, node } = path;
+
+  if (
+    [
+      //  No need parens for top level children of this nodes
+      "program",
+      "expressionstatement",
+      "namespace",
+      "declare",
+      "block",
+
+      // No need parens
+      "include",
+      "print",
+      "return",
+      "echo",
+    ].includes(parent.kind)
+  ) {
+    return false;
+  }
+
+  switch (node.kind) {
+    case "pre":
+    case "post":
+      if (parent.kind === "unary") {
+        return (
+          node.kind === "pre" &&
+          ((node.type === "+" && parent.type === "+") ||
+            (node.type === "-" && parent.type === "-"))
+        );
+      }
+    // else fallthrough
+    case "unary":
+      switch (parent.kind) {
+        case "unary":
+          return (
+            node.type === parent.type &&
+            (node.type === "+" || node.type === "-")
+          );
+        case "propertylookup":
+        case "nullsafepropertylookup":
+        case "staticlookup":
+        case "offsetlookup":
+        case "call":
+          return key === "what";
+        case "bin":
+          return parent.type === "**" && key === "left";
+        default:
+          return false;
+      }
+    case "bin": {
+      switch (parent.kind) {
+        case "assign":
+        case "retif":
+          return ["and", "xor", "or"].includes(node.type);
+        case "silent":
+        case "cast":
+          // TODO: bug https://github.com/glayzzle/php-parser/issues/172
+          return node.parenthesizedExpression;
+        case "pre":
+        case "post":
+        case "unary":
+          return true;
+        case "call":
+        case "propertylookup":
+        case "nullsafepropertylookup":
+        case "staticlookup":
+        case "offsetlookup":
+          return key === "what";
+        case "bin": {
+          const po = parent.type;
+          const pp = getPrecedence(po);
+          const no = node.type;
+          const np = getPrecedence(no);
+
+          if (pp > np) {
+            return true;
+          }
+
+          if (po === "||" && no === "&&") {
+            return true;
+          }
+
+          if (pp === np && key === "right") {
+            return true;
+          }
+
+          if (pp === np && !shouldFlatten(po, no)) {
+            return true;
+          }
+
+          if (pp < np && no === "%") {
+            return po === "+" || po === "-";
+          }
+
+          // Add parenthesis when working with bitwise operators
+          // It's not stricly needed but helps with code understanding
+          if (isBitwiseOperator(po)) {
+            return true;
+          }
+
+          return false;
+        }
+
+        default:
+          return false;
+      }
+    }
+    case "propertylookup":
+    case "nullsafepropertylookup":
+    case "staticlookup": {
+      switch (parent.kind) {
+        case "call":
+          return key === "what" && node.parenthesizedExpression;
+
+        default:
+          return false;
+      }
+    }
+    case "clone":
+    case "new": {
+      const requiresParens =
+        node.kind === "clone" ||
+        (node.kind === "new" && options.phpVersion < 8.4);
+      switch (parent.kind) {
+        case "propertylookup":
+        case "nullsafepropertylookup":
+        case "staticlookup":
+        case "offsetlookup":
+        case "call":
+          return key === "what" && requiresParens;
+        default:
+          return false;
+      }
+    }
+    case "yield": {
+      switch (parent.kind) {
+        case "propertylookup":
+        case "nullsafepropertylookup":
+        case "staticlookup":
+        case "offsetlookup":
+        case "call":
+          return key === "what";
+
+        case "retif":
+          return key === "test";
+
+        default:
+          return !!(node.key || node.value);
+      }
+    }
+    case "assign": {
+      if (
+        parent.kind === "for" &&
+        (parent.init.includes(node) || parent.increment.includes(node))
+      ) {
+        return false;
+      } else if (parent.kind === "assign") {
+        return false;
+      } else if (parent.kind === "static") {
+        return false;
+      } else if (
+        ["if", "do", "while", "foreach", "switch"].includes(parent.kind)
+      ) {
+        return false;
+      } else if (parent.kind === "silent") {
+        return false;
+      } else if (parent.kind === "call") {
+        return false;
+      }
+
+      return true;
+    }
+    case "retif":
+      switch (parent.kind) {
+        case "cast":
+          return true;
+        case "unary":
+        case "bin":
+        case "retif":
+          if (key === "test" && !parent.trueExpr) {
+            return false;
+          }
+
+          return true;
+        case "propertylookup":
+        case "nullsafepropertylookup":
+        case "staticlookup":
+        case "offsetlookup":
+        case "call":
+          return key === "what";
+
+        default:
+          return false;
+      }
+    case "closure":
+      switch (parent.kind) {
+        case "call":
+          return key === "what";
+
+        // https://github.com/prettier/plugin-php/issues/1675
+        case "propertylookup":
+        case "nullsafepropertylookup":
+          return true;
+
+        default:
+          return false;
+      }
+    case "silence":
+    case "cast":
+      // TODO: bug https://github.com/glayzzle/php-parser/issues/172
+      return node.parenthesizedExpression;
+    // else fallthrough
+    case "string":
+    case "array":
+      switch (parent.kind) {
+        case "propertylookup":
+        case "nullsafepropertylookup":
+        case "staticlookup":
+        case "offsetlookup":
+        case "call":
+          if (
+            ["string", "array"].includes(node.kind) &&
+            parent.kind === "offsetlookup"
+          ) {
+            return false;
+          }
+
+          return key === "what";
+        default:
+          return false;
+      }
+    case "print":
+    case "include":
+      return parent.kind === "bin";
+  }
+
+  return false;
+}
+
+export default needsParens;

frontend/src/common/prettier/plugins/php/src/options.mjs

@@ -0,0 +1,69 @@
+const CATEGORY_PHP = "PHP";
+
+// prettier-ignore
+const SUPPORTED_PHP_VERSIONS = [
+  5.0, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6,
+  7.0, 7.1, 7.2, 7.3, 7.4,
+  8.0, 8.1, 8.2, 8.3, 8.4,
+];
+
+export const LATEST_SUPPORTED_PHP_VERSION = Math.max(...SUPPORTED_PHP_VERSIONS);
+
+/**
+ * Resolve the PHP version to a number based on the provided options.
+ */
+export function resolvePhpVersion(options) {
+  if (!options) {
+    return;
+  }
+  
+  if (options.phpVersion === "auto" || options.phpVersion === "composer") {
+    options.phpVersion = LATEST_SUPPORTED_PHP_VERSION;
+  } else {
+    options.phpVersion = parseFloat(options.phpVersion);
+  }
+}
+
+export default {
+  phpVersion: {
+    since: "0.13.0",
+    category: CATEGORY_PHP,
+    type: "choice",
+    default: "auto",
+    description: "Minimum target PHP version.",
+    choices: [
+      ...SUPPORTED_PHP_VERSIONS.map((v) => ({ value: v.toFixed(1) })),
+      {
+        value: "auto",
+        description: `Use latest PHP Version (${LATEST_SUPPORTED_PHP_VERSION})`,
+      },
+    ],
+  },
+  trailingCommaPHP: {
+    since: "0.0.0",
+    category: CATEGORY_PHP,
+    type: "boolean",
+    default: true,
+    description: "Print trailing commas wherever possible when multi-line.",
+  },
+  braceStyle: {
+    since: "0.10.0",
+    category: CATEGORY_PHP,
+    type: "choice",
+    default: "per-cs",
+    description:
+      "Print one space or newline for code blocks (classes and functions).",
+    choices: [
+      { value: "psr-2", description: "(deprecated) Use per-cs" },
+      { value: "per-cs", description: "Use the PER Coding Style brace style." },
+      { value: "1tbs", description: "Use 1tbs brace style." },
+    ],
+  },
+  singleQuote: {
+    since: "0.0.0",
+    category: CATEGORY_PHP,
+    type: "boolean",
+    default: false,
+    description: "Use single quotes instead of double quotes.",
+  },
+};

frontend/src/common/prettier/plugins/php/src/parser.mjs

@@ -0,0 +1,67 @@
+import engine from "php-parser";
+import { LATEST_SUPPORTED_PHP_VERSION } from "./options.mjs";
+import { resolvePhpVersion } from "./options.mjs";
+
+function parse(text, opts) {
+  const inMarkdown = opts && opts.parentParser === "markdown";
+
+  if (!text && inMarkdown) {
+    return "";
+  }
+  resolvePhpVersion(opts);
+
+  // Todo https://github.com/glayzzle/php-parser/issues/170
+  text = text.replace(/\?>\n<\?/g, "?>\n___PSEUDO_INLINE_PLACEHOLDER___<?");
+
+  // initialize a new parser instance
+  const parser = new engine({
+    parser: {
+      extractDoc: true,
+      version: `${LATEST_SUPPORTED_PHP_VERSION}`,
+    },
+    ast: {
+      withPositions: true,
+      withSource: true,
+    },
+  });
+
+  const hasOpenPHPTag = text.indexOf("<?php") !== -1;
+  const parseAsEval = inMarkdown && !hasOpenPHPTag;
+
+  let ast;
+  try {
+    ast = parseAsEval ? parser.parseEval(text) : parser.parseCode(text);
+  } catch (err) {
+    if (err instanceof SyntaxError && "lineNumber" in err) {
+      err.loc = {
+        start: {
+          line: err.lineNumber,
+          column: err.columnNumber,
+        },
+      };
+
+      delete err.lineNumber;
+      delete err.columnNumber;
+    }
+
+    throw err;
+  }
+
+  ast.extra = {
+    parseAsEval,
+  };
+
+  // https://github.com/glayzzle/php-parser/issues/155
+  // currently inline comments include the line break at the end, we need to
+  // strip those out and update the end location for each comment manually
+  ast.comments.forEach((comment) => {
+    if (comment.value[comment.value.length - 1] === "\n") {
+      comment.value = comment.value.slice(0, -1);
+      comment.loc.end.offset = comment.loc.end.offset - 1;
+    }
+  });
+
+  return ast;
+}
+
+export default parse;

frontend/src/common/prettier/plugins/php/src/pragma.mjs

@@ -0,0 +1,92 @@
+import { memoize } from "./util.mjs";
+import parse from "./parser.mjs";
+
+const reHasPragma = /@prettier|@format/;
+
+const getPageLevelDocBlock = memoize((text) => {
+  const parsed = parse(text);
+
+  const [firstChild] = parsed.children;
+  const [firstDocBlock] = parsed.comments.filter(
+    (el) => el.kind === "commentblock"
+  );
+
+  if (
+    firstChild &&
+    firstDocBlock &&
+    firstDocBlock.loc.start.line < firstChild.loc.start.line
+  ) {
+    return firstDocBlock;
+  }
+});
+
+function hasPragma(text) {
+  // fast path optimization - check if the pragma shows up in the file at all
+  if (!reHasPragma.test(text)) {
+    return false;
+  }
+
+  const pageLevelDocBlock = getPageLevelDocBlock(text);
+
+  if (pageLevelDocBlock) {
+    const { value } = pageLevelDocBlock;
+
+    return reHasPragma.test(value);
+  }
+
+  return false;
+}
+
+function injectPragma(docblock) {
+  let lines = docblock.split("\n");
+
+  if (lines.length === 1) {
+    // normalize to multiline for simplicity
+    const [, line] = /\/*\*\*(.*)\*\//.exec(lines[0]);
+
+    lines = ["/**", ` * ${line.trim()}`, " */"];
+  }
+
+  // find the first @pragma
+  // if there happens to be one on the opening line, just put it on the next line.
+  const pragmaIndex = lines.findIndex((line) => /@\S/.test(line)) || 1;
+
+  // not found => index == -1, which conveniently will splice 1 from the end.
+  lines.splice(pragmaIndex, 0, " * @format");
+
+  return lines.join("\n");
+}
+
+function insertPragma(text) {
+  const pageLevelDocBlock = getPageLevelDocBlock(text);
+
+  if (pageLevelDocBlock) {
+    const {
+      start: { offset: startOffset },
+      end: { offset: endOffset },
+    } = pageLevelDocBlock.loc;
+    const before = text.substring(0, startOffset);
+    const after = text.substring(endOffset);
+
+    return `${before}${injectPragma(pageLevelDocBlock.value, text)}${after}`;
+  }
+
+  const openTag = "<?php";
+
+  if (!text.startsWith(openTag)) {
+    // bail out
+    return text;
+  }
+
+  const splitAt = openTag.length;
+  const phpTag = text.substring(0, splitAt);
+  const after = text.substring(splitAt);
+
+  return `${phpTag}
+/** 
+ * @format 
+ */
+${after}`;
+}
+
+export { hasPragma, insertPragma };

frontend/src/common/prettier/plugins/php/src/util.mjs

@@ -0,0 +1,743 @@
+import { util as prettierUtil } from "prettier";
+import { locStart } from "./loc.mjs";
+
+const { hasNewline, skipEverythingButNewLine, skipNewline } = prettierUtil;
+
+function printNumber(rawNumber) {
+  return (
+    rawNumber
+      .toLowerCase()
+      // Remove unnecessary plus and zeroes from scientific notation.
+      .replace(/^([+-]?[\d.]+e)(?:\+|(-))?0*(\d)/, "$1$2$3")
+      // Remove unnecessary scientific notation (1e0).
+      .replace(/^([+-]?[\d.]+)e[+-]?0+$/, "$1")
+      // Make sure numbers always start with a digit.
+      .replace(/^([+-])?\./, "$10.")
+      // Remove extraneous trailing decimal zeroes.
+      .replace(/(\.\d+?)0+(?=e|$)/, "$1")
+      // Remove unnecessary .e notation
+      .replace(/\.(?=e)/, "")
+  );
+}
+
+// http://php.net/manual/en/language.operators.precedence.php
+const PRECEDENCE = new Map(
+  [
+    ["or"],
+    ["xor"],
+    ["and"],
+    [
+      "=",
+      "+=",
+      "-=",
+      "*=",
+      "**=",
+      "/=",
+      ".=",
+      "%=",
+      "&=",
+      "|=",
+      "^=",
+      "<<=",
+      ">>=",
+    ],
+    ["??"],
+    ["||"],
+    ["&&"],
+    ["|"],
+    ["^"],
+    ["&"],
+    ["==", "===", "!=", "!==", "<>", "<=>"],
+    ["<", ">", "<=", ">="],
+    [">>", "<<"],
+    ["+", "-", "."],
+    ["*", "/", "%"],
+    ["!"],
+    ["instanceof"],
+    ["++", "--", "~"],
+    ["**"],
+  ].flatMap((operators, index) =>
+    operators.map((operator) => [operator, index])
+  )
+);
+function getPrecedence(operator) {
+  return PRECEDENCE.get(operator);
+}
+
+const equalityOperators = ["==", "!=", "===", "!==", "<>", "<=>"];
+const multiplicativeOperators = ["*", "/", "%"];
+const bitshiftOperators = [">>", "<<"];
+
+function isBitwiseOperator(operator) {
+  return (
+    !!bitshiftOperators[operator] ||
+    operator === "|" ||
+    operator === "^" ||
+    operator === "&"
+  );
+}
+
+function shouldFlatten(parentOp, nodeOp) {
+  if (getPrecedence(nodeOp) !== getPrecedence(parentOp)) {
+    return false;
+  }
+
+  // ** is right-associative
+  // x ** y ** z --> x ** (y ** z)
+  if (parentOp === "**") {
+    return false;
+  }
+
+  // x == y == z --> (x == y) == z
+  if (
+    equalityOperators.includes(parentOp) &&
+    equalityOperators.includes(nodeOp)
+  ) {
+    return false;
+  }
+
+  // x * y % z --> (x * y) % z
+  if (
+    (nodeOp === "%" && multiplicativeOperators.includes(parentOp)) ||
+    (parentOp === "%" && multiplicativeOperators.includes(nodeOp))
+  ) {
+    return false;
+  }
+
+  // x * y / z --> (x * y) / z
+  // x / y * z --> (x / y) * z
+  if (
+    nodeOp !== parentOp &&
+    multiplicativeOperators.includes(nodeOp) &&
+    multiplicativeOperators.includes(parentOp)
+  ) {
+    return false;
+  }
+
+  // x << y << z --> (x << y) << z
+  if (
+    bitshiftOperators.includes(parentOp) &&
+    bitshiftOperators.includes(nodeOp)
+  ) {
+    return false;
+  }
+
+  return true;
+}
+
+function nodeHasStatement(node) {
+  return [
+    "block",
+    "program",
+    "namespace",
+    "class",
+    "enum",
+    "interface",
+    "trait",
+    "traituse",
+    "declare",
+  ].includes(node.kind);
+}
+
+function getBodyFirstChild({ body }) {
+  if (!body) {
+    return null;
+  }
+  if (body.kind === "block") {
+    body = body.children;
+  }
+  return body[0];
+}
+
+function getNodeListProperty(node) {
+  const body = node.children || node.body || node.adaptations;
+  return Array.isArray(body) ? body : null;
+}
+
+function getLast(arr) {
+  if (arr.length > 0) {
+    return arr[arr.length - 1];
+  }
+  return null;
+}
+
+function getPenultimate(arr) {
+  if (arr.length > 1) {
+    return arr[arr.length - 2];
+  }
+  return null;
+}
+
+function isFirstChildrenInlineNode(path) {
+  const { node } = path;
+
+  if (node.kind === "program") {
+    const children = getNodeListProperty(node);
+
+    if (!children || children.length === 0) {
+      return false;
+    }
+
+    return children[0].kind === "inline";
+  }
+
+  if (node.kind === "switch") {
+    if (!node.body) {
+      return false;
+    }
+
+    const children = getNodeListProperty(node.body);
+
+    if (children.length === 0) {
+      return false;
+    }
+
+    const [firstCase] = children;
+
+    if (!firstCase.body) {
+      return false;
+    }
+
+    const firstCaseChildren = getNodeListProperty(firstCase.body);
+
+    if (firstCaseChildren.length === 0) {
+      return false;
+    }
+
+    return firstCaseChildren[0].kind === "inline";
+  }
+
+  const firstChild = getBodyFirstChild(node);
+
+  if (!firstChild) {
+    return false;
+  }
+
+  return firstChild.kind === "inline";
+}
+
+function isDocNode(node) {
+  return (
+    node.kind === "nowdoc" ||
+    (node.kind === "encapsed" && node.type === "heredoc")
+  );
+}
+
+/**
+ * Heredoc/Nowdoc nodes need a trailing linebreak if they
+ * appear as function arguments or array elements
+ */
+function docShouldHaveTrailingNewline(path, recurse = 0) {
+  const node = path.getNode(recurse);
+  const parent = path.getNode(recurse + 1);
+  const parentParent = path.getNode(recurse + 2);
+
+  if (!parent) {
+    return false;
+  }
+
+  if (
+    (parentParent &&
+      ["call", "new", "echo"].includes(parentParent.kind) &&
+      !["call", "array"].includes(parent.kind)) ||
+    parent.kind === "parameter"
+  ) {
+    const lastIndex = parentParent.arguments.length - 1;
+    const index = parentParent.arguments.indexOf(parent);
+
+    return index !== lastIndex;
+  }
+
+  if (parentParent && parentParent.kind === "for") {
+    const initIndex = parentParent.init.indexOf(parent);
+
+    if (initIndex !== -1) {
+      return initIndex !== parentParent.init.length - 1;
+    }
+
+    const testIndex = parentParent.test.indexOf(parent);
+
+    if (testIndex !== -1) {
+      return testIndex !== parentParent.test.length - 1;
+    }
+
+    const incrementIndex = parentParent.increment.indexOf(parent);
+
+    if (incrementIndex !== -1) {
+      return incrementIndex !== parentParent.increment.length - 1;
+    }
+  }
+
+  if (parent.kind === "bin") {
+    return (
+      parent.left === node || docShouldHaveTrailingNewline(path, recurse + 1)
+    );
+  }
+
+  if (parent.kind === "case" && parent.test === node) {
+    return true;
+  }
+
+  if (parent.kind === "staticvariable") {
+    const lastIndex = parentParent.variables.length - 1;
+    const index = parentParent.variables.indexOf(parent);
+
+    return index !== lastIndex;
+  }
+
+  if (parent.kind === "entry") {
+    if (parent.key === node) {
+      return true;
+    }
+
+    const lastIndex = parentParent.items.length - 1;
+    const index = parentParent.items.indexOf(parent);
+
+    return index !== lastIndex;
+  }
+
+  if (["call", "new"].includes(parent.kind)) {
+    const lastIndex = parent.arguments.length - 1;
+    const index = parent.arguments.indexOf(node);
+
+    return index !== lastIndex;
+  }
+
+  if (parent.kind === "echo") {
+    const lastIndex = parent.expressions.length - 1;
+    const index = parent.expressions.indexOf(node);
+
+    return index !== lastIndex;
+  }
+
+  if (parent.kind === "array") {
+    const lastIndex = parent.items.length - 1;
+    const index = parent.items.indexOf(node);
+
+    return index !== lastIndex;
+  }
+
+  if (parent.kind === "retif") {
+    return docShouldHaveTrailingNewline(path, recurse + 1);
+  }
+
+  return false;
+}
+
+function lineShouldEndWithSemicolon(path) {
+  const { node, parent: parentNode } = path;
+  if (!parentNode) {
+    return false;
+  }
+  // for single line control structures written in a shortform (ie without a block),
+  // we need to make sure the single body node gets a semicolon
+  if (
+    ["for", "foreach", "while", "do", "if", "switch"].includes(
+      parentNode.kind
+    ) &&
+    node.kind !== "block" &&
+    node.kind !== "if" &&
+    (parentNode.body === node || parentNode.alternate === node)
+  ) {
+    return true;
+  }
+  if (!nodeHasStatement(parentNode)) {
+    return false;
+  }
+  if (node.kind === "echo" && node.shortForm) {
+    return false;
+  }
+  if (node.kind === "traituse") {
+    return !node.adaptations;
+  }
+  if (node.kind === "method" && node.isAbstract) {
+    return true;
+  }
+  if (node.kind === "method") {
+    const { parent } = path;
+    if (parent && parent.kind === "interface") {
+      return true;
+    }
+  }
+  return [
+    "expressionstatement",
+    "do",
+    "usegroup",
+    "classconstant",
+    "propertystatement",
+    "traitprecedence",
+    "traitalias",
+    "goto",
+    "constantstatement",
+    "enumcase",
+    "global",
+    "static",
+    "echo",
+    "unset",
+    "return",
+    "break",
+    "continue",
+    "throw",
+  ].includes(node.kind);
+}
+
+function fileShouldEndWithHardline(path) {
+  const { node } = path;
+  const isProgramNode = node.kind === "program";
+  const lastNode = node.children && getLast(node.children);
+
+  if (!isProgramNode) {
+    return false;
+  }
+
+  if (lastNode && ["halt", "inline"].includes(lastNode.kind)) {
+    return false;
+  }
+
+  if (
+    lastNode &&
+    (lastNode.kind === "declare" || lastNode.kind === "namespace")
+  ) {
+    const lastNestedNode =
+      lastNode.children.length > 0 && getLast(lastNode.children);
+
+    if (lastNestedNode && ["halt", "inline"].includes(lastNestedNode.kind)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+function maybeStripLeadingSlashFromUse(name) {
+  const nameWithoutLeadingSlash = name.replace(/^\\/, "");
+  if (nameWithoutLeadingSlash.indexOf("\\") !== -1) {
+    return nameWithoutLeadingSlash;
+  }
+  return name;
+}
+
+function hasDanglingComments(node) {
+  return (
+    node.comments &&
+    node.comments.some((comment) => !comment.leading && !comment.trailing)
+  );
+}
+
+function isLookupNode(node) {
+  return (
+    node.kind === "propertylookup" ||
+    node.kind === "nullsafepropertylookup" ||
+    node.kind === "staticlookup" ||
+    node.kind === "offsetlookup"
+  );
+}
+
+function shouldPrintHardLineAfterStartInControlStructure(path) {
+  const { node } = path;
+
+  if (["try", "catch"].includes(node.kind)) {
+    return false;
+  }
+
+  return isFirstChildrenInlineNode(path);
+}
+
+function shouldPrintHardLineBeforeEndInControlStructure(path) {
+  const { node } = path;
+
+  if (["try", "catch"].includes(node.kind)) {
+    return true;
+  }
+
+  if (node.kind === "switch") {
+    const children = getNodeListProperty(node.body);
+
+    if (children.length === 0) {
+      return true;
+    }
+
+    const lastCase = getLast(children);
+
+    if (!lastCase.body) {
+      return true;
+    }
+
+    const childrenInCase = getNodeListProperty(lastCase.body);
+
+    if (childrenInCase.length === 0) {
+      return true;
+    }
+
+    return childrenInCase[0].kind !== "inline";
+  }
+
+  return !isFirstChildrenInlineNode(path);
+}
+
+function getAlignment(text) {
+  const lines = text.split("\n");
+  const lastLine = lines.pop();
+
+  return lastLine.length - lastLine.trimLeft().length + 1;
+}
+
+function isProgramLikeNode(node) {
+  return ["program", "declare", "namespace"].includes(node.kind);
+}
+
+function isReferenceLikeNode(node) {
+  return [
+    "name",
+    "parentreference",
+    "selfreference",
+    "staticreference",
+  ].includes(node.kind);
+}
+
+// Return `logical` value for `bin` node containing `||` or `&&` type otherwise return kind of node.
+// Require for grouping logical and binary nodes in right way.
+function getNodeKindIncludingLogical(node) {
+  if (node.kind === "bin" && ["||", "&&"].includes(node.type)) {
+    return "logical";
+  }
+
+  return node.kind;
+}
+
+/**
+ * Check if string can safely be converted from double to single quotes and vice-versa, i.e.
+ *
+ * - no embedded variables ("foo $bar")
+ * - no linebreaks
+ * - no special characters like \n, \t, ...
+ * - no octal/hex/unicode characters
+ *
+ * See https://php.net/manual/en/language.types.string.php#language.types.string.syntax.double
+ */
+function useDoubleQuote(node, options) {
+  if (node.isDoubleQuote === options.singleQuote) {
+    // We have a double quote and the user passed singleQuote:true, or the other way around.
+    const rawValue = node.raw.slice(node.raw[0] === "b" ? 2 : 1, -1);
+    const isComplex = rawValue.match(
+      /\\([$nrtfve]|[xX][0-9a-fA-F]{1,2}|[0-7]{1,3}|u{([0-9a-fA-F]+)})|\r?\n|'|"|\$/
+    );
+    return node.isDoubleQuote ? isComplex : !isComplex;
+  }
+  return node.isDoubleQuote;
+}
+
+function hasEmptyBody(path, name = "body") {
+  const { node } = path;
+
+  return (
+    node[name] &&
+    node[name].children &&
+    node[name].children.length === 0 &&
+    (!node[name].comments || node[name].comments.length === 0)
+  );
+}
+
+function isNextLineEmptyAfterNamespace(text, node) {
+  let idx = locStart(node);
+  idx = skipEverythingButNewLine(text, idx);
+  idx = skipNewline(text, idx);
+  return hasNewline(text, idx);
+}
+
+function shouldPrintHardlineBeforeTrailingComma(lastElem) {
+  if (
+    lastElem.kind === "nowdoc" ||
+    (lastElem.kind === "encapsed" && lastElem.type === "heredoc")
+  ) {
+    return true;
+  }
+
+  if (
+    lastElem.kind === "entry" &&
+    (lastElem.value.kind === "nowdoc" ||
+      (lastElem.value.kind === "encapsed" && lastElem.value.type === "heredoc"))
+  ) {
+    return true;
+  }
+
+  return false;
+}
+
+function getAncestorCounter(path, typeOrTypes) {
+  const types = [].concat(typeOrTypes);
+  let counter = -1;
+  let ancestorNode;
+  while ((ancestorNode = path.getParentNode(++counter))) {
+    if (types.indexOf(ancestorNode.kind) !== -1) {
+      return counter;
+    }
+  }
+  return -1;
+}
+
+function getAncestorNode(path, typeOrTypes) {
+  const counter = getAncestorCounter(path, typeOrTypes);
+  return counter === -1 ? null : path.getParentNode(counter);
+}
+
+const magicMethods = [
+  "__construct",
+  "__destruct",
+  "__call",
+  "__callStatic",
+  "__get",
+  "__set",
+  "__isset",
+  "__unset",
+  "__sleep",
+  "__wakeup",
+  "__toString",
+  "__invoke",
+  "__set_state",
+  "__clone",
+  "__debugInfo",
+];
+const magicMethodsMap = new Map(
+  magicMethods.map((name) => [name.toLowerCase(), name])
+);
+
+function normalizeMagicMethodName(name) {
+  const loweredName = name.toLowerCase();
+
+  if (magicMethodsMap.has(loweredName)) {
+    return magicMethodsMap.get(loweredName);
+  }
+
+  return name;
+}
+
+/**
+ * @param {string[]} kindsArray
+ * @returns {(node: Node | Comment) => Boolean}
+ */
+function createTypeCheckFunction(kindsArray) {
+  const kinds = new Set(kindsArray);
+  return (node) => kinds.has(node?.kind);
+}
+
+const isSingleWordType = createTypeCheckFunction([
+  "variadicplaceholder",
+  "namedargument",
+  "nullkeyword",
+  "identifier",
+  "parameter",
+  "variable",
+  "variadic",
+  "boolean",
+  "literal",
+  "number",
+  "string",
+  "clone",
+  "cast",
+]);
+
+const isArrayExpression = createTypeCheckFunction(["array"]);
+const isCallLikeExpression = createTypeCheckFunction([
+  "nullsafepropertylookup",
+  "propertylookup",
+  "staticlookup",
+  "offsetlookup",
+  "call",
+  "new",
+]);
+const isArrowFuncExpression = createTypeCheckFunction(["arrowfunc"]);
+
+function getChainParts(node, prev = []) {
+  const parts = prev;
+  if (isCallLikeExpression(node)) {
+    parts.push(node);
+  }
+
+  if (!node.what) {
+    return parts;
+  }
+
+  return getChainParts(node.what, parts);
+}
+
+function isSimpleCallArgument(node, depth = 2) {
+  if (depth <= 0) {
+    return false;
+  }
+
+  const isChildSimple = (child) => isSimpleCallArgument(child, depth - 1);
+
+  if (isSingleWordType(node)) {
+    return true;
+  }
+
+  if (isArrayExpression(node)) {
+    return node.items.every((x) => x === null || isChildSimple(x));
+  }
+
+  if (isCallLikeExpression(node)) {
+    const parts = getChainParts(node);
+    parts.unshift();
+
+    return (
+      parts.length <= depth &&
+      parts.every((node) =>
+        isLookupNode(node)
+          ? isChildSimple(node.offset)
+          : node.arguments.every(isChildSimple)
+      )
+    );
+  }
+
+  if (isArrowFuncExpression(node)) {
+    return (
+      node.arguments.length <= depth && node.arguments.every(isChildSimple)
+    );
+  }
+
+  return false;
+}
+
+function memoize(fn) {
+  const cache = new Map();
+  return (key) => {
+    if (!cache.has(key)) {
+      cache.set(key, fn(key));
+    }
+    return cache.get(key);
+  };
+}
+
+export {
+  printNumber,
+  getPrecedence,
+  isBitwiseOperator,
+  shouldFlatten,
+  nodeHasStatement,
+  getLast,
+  getPenultimate,
+  getBodyFirstChild,
+  lineShouldEndWithSemicolon,
+  fileShouldEndWithHardline,
+  maybeStripLeadingSlashFromUse,
+  hasDanglingComments,
+  docShouldHaveTrailingNewline,
+  isLookupNode,
+  isFirstChildrenInlineNode,
+  shouldPrintHardLineAfterStartInControlStructure,
+  shouldPrintHardLineBeforeEndInControlStructure,
+  getAlignment,
+  isProgramLikeNode,
+  isReferenceLikeNode,
+  getNodeKindIncludingLogical,
+  useDoubleQuote,
+  hasEmptyBody,
+  isNextLineEmptyAfterNamespace,
+  shouldPrintHardlineBeforeTrailingComma,
+  isDocNode,
+  getAncestorNode,
+  normalizeMagicMethodName,
+  isSimpleCallArgument,
+  memoize,
+};

frontend/src/common/prettier/plugins/powershell/ast.ts

@@ -0,0 +1,391 @@
+/**
+ * PowerShell AST 节点定义
+ * 定义抽象语法树的各种节点类型
+ */
+
+import { Token } from './lexer';
+
+export interface ASTNode {
+    type: string;
+    start: number;
+    end: number;
+    line: number;
+    column: number;
+}
+
+export interface ScriptBlockAst extends ASTNode {
+    type: 'ScriptBlock';
+    statements: StatementAst[];
+}
+
+export interface StatementAst extends ASTNode {
+    type: string;
+}
+
+export interface ExpressionAst extends ASTNode {
+    type: string;
+}
+
+// 管道表达式
+export interface PipelineAst extends StatementAst {
+    type: 'Pipeline';
+    elements: PipelineElementAst[];
+}
+
+export interface PipelineElementAst extends ASTNode {
+    type: 'PipelineElement';
+    expression: ExpressionAst;
+}
+
+// 命令表达式
+export interface CommandAst extends ExpressionAst {
+    type: 'Command';
+    commandName: string;
+    parameters: ParameterAst[];
+    arguments: ExpressionAst[];
+}
+
+export interface ParameterAst extends ASTNode {
+    type: 'Parameter';
+    name: string;
+    value?: ExpressionAst;
+}
+
+// 赋值表达式
+export interface AssignmentAst extends StatementAst {
+    type: 'Assignment';
+    left: ExpressionAst;
+    operator: string;
+    right: ExpressionAst;
+}
+
+// 变量表达式
+export interface VariableAst extends ExpressionAst {
+    type: 'Variable';
+    name: string;
+}
+
+// 字面量表达式
+export interface LiteralAst extends ExpressionAst {
+    type: 'Literal';
+    value: any;
+    literalType: 'String' | 'Number' | 'Boolean' | 'Null';
+}
+
+// 数组表达式
+export interface ArrayAst extends ExpressionAst {
+    type: 'Array';
+    elements: ExpressionAst[];
+}
+
+// 哈希表表达式
+export interface HashtableAst extends ExpressionAst {
+    type: 'Hashtable';
+    entries: HashtableEntryAst[];
+}
+
+export interface HashtableEntryAst extends ASTNode {
+    type: 'HashtableEntry';
+    key: ExpressionAst;
+    value: ExpressionAst;
+}
+
+// 函数定义
+export interface FunctionDefinitionAst extends StatementAst {
+    type: 'FunctionDefinition';
+    name: string;
+    parameters: ParameterAst[];
+    body: ScriptBlockAst;
+}
+
+// 控制流结构
+export interface IfStatementAst extends StatementAst {
+    type: 'IfStatement';
+    condition: ExpressionAst;
+    ifBody: ScriptBlockAst;
+    elseIfClauses: ElseIfClauseAst[];
+    elseBody?: ScriptBlockAst;
+}
+
+export interface ElseIfClauseAst extends ASTNode {
+    type: 'ElseIfClause';
+    condition: ExpressionAst;
+    body: ScriptBlockAst;
+}
+
+export interface WhileStatementAst extends StatementAst {
+    type: 'WhileStatement';
+    condition: ExpressionAst;
+    body: ScriptBlockAst;
+}
+
+export interface ForStatementAst extends StatementAst {
+    type: 'ForStatement';
+    initializer?: ExpressionAst;
+    condition?: ExpressionAst;
+    iterator?: ExpressionAst;
+    body: ScriptBlockAst;
+}
+
+export interface ForEachStatementAst extends StatementAst {
+    type: 'ForEachStatement';
+    variable: VariableAst;
+    iterable: ExpressionAst;
+    body: ScriptBlockAst;
+}
+
+export interface SwitchStatementAst extends StatementAst {
+    type: 'SwitchStatement';
+    value: ExpressionAst;
+    clauses: SwitchClauseAst[];
+}
+
+export interface SwitchClauseAst extends ASTNode {
+    type: 'SwitchClause';
+    pattern: ExpressionAst;
+    body: ScriptBlockAst;
+}
+
+export interface TryStatementAst extends StatementAst {
+    type: 'TryStatement';
+    body: ScriptBlockAst;
+    catchClauses: CatchClauseAst[];
+    finallyClause?: FinallyClauseAst;
+}
+
+export interface CatchClauseAst extends ASTNode {
+    type: 'CatchClause';
+    exceptionType?: string;
+    body: ScriptBlockAst;
+}
+
+export interface FinallyClauseAst extends ASTNode {
+    type: 'FinallyClause';
+    body: ScriptBlockAst;
+}
+
+// 二元操作表达式
+export interface BinaryExpressionAst extends ExpressionAst {
+    type: 'BinaryExpression';
+    left: ExpressionAst;
+    operator: string;
+    right: ExpressionAst;
+}
+
+// 一元操作表达式
+export interface UnaryExpressionAst extends ExpressionAst {
+    type: 'UnaryExpression';
+    operator: string;
+    operand: ExpressionAst;
+}
+
+// 括号表达式
+export interface ParenthesizedExpressionAst extends ExpressionAst {
+    type: 'ParenthesizedExpression';
+    expression: ExpressionAst;
+}
+
+// 方法调用表达式
+export interface MethodCallAst extends ExpressionAst {
+    type: 'MethodCall';
+    object: ExpressionAst;
+    methodName: string;
+    arguments: ExpressionAst[];
+}
+
+// 属性访问表达式
+export interface PropertyAccessAst extends ExpressionAst {
+    type: 'PropertyAccess';
+    object: ExpressionAst;
+    propertyName: string;
+}
+
+// 索引访问表达式
+export interface IndexAccessAst extends ExpressionAst {
+    type: 'IndexAccess';
+    object: ExpressionAst;
+    index: ExpressionAst;
+}
+
+// 注释节点
+export interface CommentAst extends ASTNode {
+    type: 'Comment';
+    text: string;
+    isMultiline: boolean;
+}
+
+// 空白节点
+export interface WhitespaceAst extends ASTNode {
+    type: 'Whitespace';
+    text: string;
+}
+
+// 工厂函数，用于创建AST节点
+export class ASTNodeFactory {
+    static createScriptBlock(statements: StatementAst[], start: number, end: number, line: number, column: number): ScriptBlockAst {
+        return {
+            type: 'ScriptBlock',
+            statements,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createPipeline(elements: PipelineElementAst[], start: number, end: number, line: number, column: number): PipelineAst {
+        return {
+            type: 'Pipeline',
+            elements,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createCommand(commandName: string, parameters: ParameterAst[], args: ExpressionAst[], start: number, end: number, line: number, column: number): CommandAst {
+        return {
+            type: 'Command',
+            commandName,
+            parameters,
+            arguments: args,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createAssignment(left: ExpressionAst, operator: string, right: ExpressionAst, start: number, end: number, line: number, column: number): AssignmentAst {
+        return {
+            type: 'Assignment',
+            left,
+            operator,
+            right,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createVariable(name: string, start: number, end: number, line: number, column: number): VariableAst {
+        return {
+            type: 'Variable',
+            name,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createLiteral(value: any, literalType: 'String' | 'Number' | 'Boolean' | 'Null', start: number, end: number, line: number, column: number): LiteralAst {
+        return {
+            type: 'Literal',
+            value,
+            literalType,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createBinaryExpression(left: ExpressionAst, operator: string, right: ExpressionAst, start: number, end: number, line: number, column: number): BinaryExpressionAst {
+        return {
+            type: 'BinaryExpression',
+            left,
+            operator,
+            right,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createIfStatement(condition: ExpressionAst, ifBody: ScriptBlockAst, elseIfClauses: ElseIfClauseAst[], elseBody: ScriptBlockAst | undefined, start: number, end: number, line: number, column: number): IfStatementAst {
+        return {
+            type: 'IfStatement',
+            condition,
+            ifBody,
+            elseIfClauses,
+            elseBody,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createFunctionDefinition(name: string, parameters: ParameterAst[], body: ScriptBlockAst, start: number, end: number, line: number, column: number): FunctionDefinitionAst {
+        return {
+            type: 'FunctionDefinition',
+            name,
+            parameters,
+            body,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    static createComment(text: string, isMultiline: boolean, start: number, end: number, line: number, column: number): CommentAst {
+        return {
+            type: 'Comment',
+            text,
+            isMultiline,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+}
+
+// AST访问者模式接口
+export interface ASTVisitor<T> {
+    visitScriptBlock(node: ScriptBlockAst): T;
+    visitPipeline(node: PipelineAst): T;
+    visitCommand(node: CommandAst): T;
+    visitAssignment(node: AssignmentAst): T;
+    visitVariable(node: VariableAst): T;
+    visitLiteral(node: LiteralAst): T;
+    visitBinaryExpression(node: BinaryExpressionAst): T;
+    visitIfStatement(node: IfStatementAst): T;
+    visitFunctionDefinition(node: FunctionDefinitionAst): T;
+    visitComment(node: CommentAst): T;
+}
+
+// AST遍历工具类
+export class ASTTraverser {
+    static traverse<T>(node: ASTNode, visitor: Partial<ASTVisitor<T>>): T | undefined {
+        switch (node.type) {
+            case 'ScriptBlock':
+                return visitor.visitScriptBlock?.(node as ScriptBlockAst);
+            case 'Pipeline':
+                return visitor.visitPipeline?.(node as PipelineAst);
+            case 'Command':
+                return visitor.visitCommand?.(node as CommandAst);
+            case 'Assignment':
+                return visitor.visitAssignment?.(node as AssignmentAst);
+            case 'Variable':
+                return visitor.visitVariable?.(node as VariableAst);
+            case 'Literal':
+                return visitor.visitLiteral?.(node as LiteralAst);
+            case 'BinaryExpression':
+                return visitor.visitBinaryExpression?.(node as BinaryExpressionAst);
+            case 'IfStatement':
+                return visitor.visitIfStatement?.(node as IfStatementAst);
+            case 'FunctionDefinition':
+                return visitor.visitFunctionDefinition?.(node as FunctionDefinitionAst);
+            case 'Comment':
+                return visitor.visitComment?.(node as CommentAst);
+            default:
+                return undefined;
+        }
+    }
+}

frontend/src/common/prettier/plugins/powershell/code-generator.ts

@@ -0,0 +1,566 @@
+/**
+ * PowerShell 代码生成器
+ * 遍历AST并根据格式化规则生成格式化的PowerShell代码
+ */
+
+import { 
+    ASTNode, 
+    ScriptBlockAst, 
+    StatementAst, 
+    ExpressionAst,
+    PipelineAst,
+    CommandAst,
+    AssignmentAst,
+    VariableAst,
+    LiteralAst,
+    BinaryExpressionAst,
+    IfStatementAst,
+    FunctionDefinitionAst,
+    ParameterAst,
+    CommentAst,
+    PipelineElementAst,
+    ElseIfClauseAst,
+    ASTTraverser
+} from './ast';
+import { FormatterRules, FormatterOptions } from './formatter-rules';
+
+export class PowerShellCodeGenerator {
+    private rules: FormatterRules;
+    private indentLevel: number = 0;
+    private output: string[] = [];
+    private currentLineLength: number = 0;
+    private needsNewline: boolean = false;
+    private lastWasComment: boolean = false;
+
+    constructor(options: Partial<FormatterOptions> = {}) {
+        this.rules = new FormatterRules(options);
+    }
+
+    /**
+     * 生成格式化的PowerShell代码
+     */
+    public generate(ast: ScriptBlockAst, comments: CommentAst[] = []): string {
+        this.output = [];
+        this.indentLevel = 0;
+        this.currentLineLength = 0;
+        this.needsNewline = false;
+        this.lastWasComment = false;
+
+        // 首先处理文档开头的注释
+        this.generateLeadingComments(comments);
+
+        // 生成主体代码
+        this.generateScriptBlock(ast);
+
+        // 处理文档末尾
+        this.handleFinalNewline();
+
+        const result = this.output.join('');
+        return this.postProcess(result);
+    }
+
+    private generateScriptBlock(node: ScriptBlockAst): void {
+        for (let i = 0; i < node.statements.length; i++) {
+            const statement = node.statements[i];
+            const nextStatement = i < node.statements.length - 1 ? node.statements[i + 1] : null;
+
+            this.generateStatement(statement);
+
+            // 在语句之间添加适当的空行
+            if (nextStatement) {
+                this.addStatementSeparation(statement, nextStatement);
+            }
+        }
+    }
+
+    private generateStatement(statement: StatementAst): void {
+        switch (statement.type) {
+            case 'Pipeline':
+                this.generatePipeline(statement as PipelineAst);
+                break;
+            case 'Assignment':
+                this.generateAssignment(statement as AssignmentAst);
+                break;
+            case 'IfStatement':
+                this.generateIfStatement(statement as IfStatementAst);
+                break;
+            case 'FunctionDefinition':
+                this.generateFunctionDefinition(statement as FunctionDefinitionAst);
+                break;
+            case 'RawText':
+                // 处理解析失败时的原始文本
+                this.append((statement as any).value);
+                return; // 不需要添加额外的换行
+            default:
+                this.append(`/* Unsupported statement type: ${statement.type} */`);
+                break;
+        }
+
+        this.ensureNewline();
+    }
+
+    private generatePipeline(pipeline: PipelineAst): void {
+        if (!this.rules.formatPipelines) {
+            // 简单连接所有元素
+            for (let i = 0; i < pipeline.elements.length; i++) {
+                if (i > 0) {
+                    this.append(' | ');
+                }
+                this.generatePipelineElement(pipeline.elements[i]);
+            }
+            return;
+        }
+
+        const style = this.rules.getPipelineStyle(pipeline.elements.length);
+        
+        if (style === 'multiline') {
+            this.generateMultilinePipeline(pipeline);
+        } else {
+            this.generateOnelinePipeline(pipeline);
+        }
+    }
+
+    private generateOnelinePipeline(pipeline: PipelineAst): void {
+        for (let i = 0; i < pipeline.elements.length; i++) {
+            if (i > 0) {
+                this.append(' | ');
+            }
+            this.generatePipelineElement(pipeline.elements[i]);
+        }
+    }
+
+    private generateMultilinePipeline(pipeline: PipelineAst): void {
+        for (let i = 0; i < pipeline.elements.length; i++) {
+            if (i > 0) {
+                this.appendLine(' |');
+                this.appendIndent();
+            }
+            this.generatePipelineElement(pipeline.elements[i]);
+        }
+    }
+
+    private generatePipelineElement(element: PipelineElementAst): void {
+        this.generateExpression(element.expression);
+    }
+
+    private generateExpression(expression: ExpressionAst): void {
+        switch (expression.type) {
+            case 'Command':
+                this.generateCommand(expression as CommandAst);
+                break;
+            case 'Variable':
+                this.generateVariable(expression as VariableAst);
+                break;
+            case 'Literal':
+                this.generateLiteral(expression as LiteralAst);
+                break;
+            case 'BinaryExpression':
+                this.generateBinaryExpression(expression as BinaryExpressionAst);
+                break;
+            case 'ParenthesizedExpression':
+                this.append('(');
+                this.generateExpression((expression as any).expression);
+                this.append(')');
+                break;
+            case 'Array':
+                this.generateArray(expression as any);
+                break;
+            case 'Hashtable':
+                this.generateHashtable(expression as any);
+                break;
+            case 'ScriptBlockExpression':
+                this.generateScriptBlockExpression(expression as any);
+                break;
+            default:
+                this.append(`/* Unsupported expression type: ${expression.type} */`);
+                break;
+        }
+    }
+
+    private generateCommand(command: CommandAst): void {
+        // 保持cmdlet名称的连字符，不进行破坏性的格式化
+        let commandName = command.commandName;
+        
+        // 只有在明确指定要改变大小写时才进行格式化
+        // 但绝对不能删除连字符
+        if (this.rules.shouldFormatCommandCase()) {
+            commandName = this.rules.formatCommandCase(commandName);
+        }
+        
+        this.append(commandName);
+
+        // 生成参数
+        for (const param of command.parameters) {
+            this.append(' ');
+            this.generateParameter(param);
+        }
+
+        // 生成位置参数
+        for (const arg of command.arguments) {
+            this.append(' ');
+            this.generateExpression(arg);
+        }
+    }
+
+    private generateParameter(parameter: ParameterAst): void {
+        const paramName = this.rules.formatParameterCase(parameter.name);
+        this.append(paramName);
+        
+        if (parameter.value) {
+            this.append(' ');
+            this.generateExpression(parameter.value);
+        }
+    }
+
+    private generateVariable(variable: VariableAst): void {
+        const formattedName = this.rules.formatVariableCase(variable.name);
+        this.append(formattedName);
+    }
+
+    private generateLiteral(literal: LiteralAst): void {
+        if (literal.literalType === 'String') {
+            const formattedString = this.rules.formatQuotes(literal.value as string);
+            this.append(formattedString);
+        } else {
+            this.append(String(literal.value));
+        }
+    }
+
+    private generateBinaryExpression(expression: BinaryExpressionAst): void {
+        this.generateExpression(expression.left);
+        
+        // 根据PowerShell官方规范，属性访问操作符绝对不能加空格
+        if (expression.operator === '.' || 
+            expression.operator === '::' || 
+            expression.operator === '[' || 
+            expression.operator === ']' ||
+            expression.operator === '@{') {
+            // 属性访问是PowerShell面向对象的核心，必须保持紧凑
+            this.append(expression.operator);
+        } else {
+            // 使用格式化规则处理其他操作符
+            const formattedOperator = this.rules.formatOperatorSpacing(expression.operator);
+            this.append(formattedOperator);
+        }
+        
+        this.generateExpression(expression.right);
+    }
+
+    private generateAssignment(assignment: AssignmentAst): void {
+        this.generateExpression(assignment.left);
+        
+        const formattedOperator = this.rules.formatOperatorSpacing(assignment.operator);
+        this.append(formattedOperator);
+        
+        this.generateExpression(assignment.right);
+    }
+
+    private generateIfStatement(ifStmt: IfStatementAst): void {
+        // if 条件
+        this.append('if ');
+        this.append(this.rules.formatParentheses(''));
+        this.append('(');
+        this.generateExpression(ifStmt.condition);
+        this.append(')');
+        
+        // if 主体
+        this.append(this.rules.getBraceStart());
+        this.appendLine('');
+        this.indent();
+        this.generateScriptBlock(ifStmt.ifBody);
+        this.outdent();
+        this.appendIndent();
+        this.append('}');
+
+        // elseif 子句
+        for (const elseIfClause of ifStmt.elseIfClauses) {
+            this.generateElseIfClause(elseIfClause);
+        }
+
+        // else 子句
+        if (ifStmt.elseBody) {
+            this.append(' else');
+            this.append(this.rules.getBraceStart());
+            this.appendLine('');
+            this.indent();
+            this.generateScriptBlock(ifStmt.elseBody);
+            this.outdent();
+            this.appendIndent();
+            this.append('}');
+        }
+    }
+
+    private generateElseIfClause(elseIf: ElseIfClauseAst): void {
+        this.append(' elseif (');
+        this.generateExpression(elseIf.condition);
+        this.append(')');
+        this.append(this.rules.getBraceStart());
+        this.appendLine('');
+        this.indent();
+        this.generateScriptBlock(elseIf.body);
+        this.outdent();
+        this.appendIndent();
+        this.append('}');
+    }
+
+    private generateFunctionDefinition(func: FunctionDefinitionAst): void {
+        // 函数前的空行
+        if (this.rules.blankLinesAroundFunctions > 0) {
+            for (let i = 0; i < this.rules.blankLinesAroundFunctions; i++) {
+                this.appendLine('');
+            }
+        }
+
+        this.append('function ');
+        this.append(func.name);
+
+        // 参数列表
+        if (func.parameters.length > 0) {
+            this.append('(');
+            for (let i = 0; i < func.parameters.length; i++) {
+                if (i > 0) {
+                    this.append(this.rules.formatComma());
+                }
+                this.generateParameter(func.parameters[i]);
+            }
+            this.append(')');
+        }
+
+        // 函数体
+        this.append(this.rules.getBraceStart());
+        this.appendLine('');
+        this.indent();
+        this.generateScriptBlock(func.body);
+        this.outdent();
+        this.appendIndent();
+        this.append('}');
+
+        // 函数后的空行
+        if (this.rules.blankLinesAroundFunctions > 0) {
+            for (let i = 0; i < this.rules.blankLinesAroundFunctions; i++) {
+                this.appendLine('');
+            }
+        }
+    }
+
+    private generateLeadingComments(comments: CommentAst[]): void {
+        const leadingComments = comments.filter(c => this.isLeadingComment(c));
+        for (const comment of leadingComments) {
+            this.generateComment(comment);
+            this.appendLine('');
+        }
+    }
+
+    private generateComment(comment: CommentAst): void {
+        if (!this.rules.formatComments) {
+            this.append(comment.text);
+            return;
+        }
+
+        if (comment.isMultiline) {
+            this.generateMultilineComment(comment.text);
+        } else {
+            this.generateSingleLineComment(comment.text);
+        }
+        
+        this.lastWasComment = true;
+    }
+
+    private generateArray(arrayExpr: any): void {
+        this.append('@(');
+        if (arrayExpr.elements && arrayExpr.elements.length > 0) {
+            for (let i = 0; i < arrayExpr.elements.length; i++) {
+                if (i > 0) {
+                    this.append(this.rules.formatComma());
+                }
+                this.generateExpression(arrayExpr.elements[i]);
+            }
+        }
+        this.append(')');
+    }
+
+    private generateHashtable(hashtableExpr: any): void {
+        this.append('@{');
+        
+        if (hashtableExpr.entries && hashtableExpr.entries.length > 0) {
+            // 强制使用紧凑格式，避免换行问题
+            for (let i = 0; i < hashtableExpr.entries.length; i++) {
+                const entry = hashtableExpr.entries[i];
+                
+                this.generateExpression(entry.key);
+                this.append('=');
+                this.generateExpression(entry.value);
+                
+                // 如果不是最后一个条目，添加分号和空格
+                if (i < hashtableExpr.entries.length - 1) {
+                    this.append('; ');
+                }
+            }
+        }
+        
+        this.append('}');
+    }
+
+    private generateScriptBlockExpression(scriptBlockExpr: any): void {
+        this.append('{');
+        
+        // 对原始内容应用基本的格式化规则
+        if (scriptBlockExpr.rawContent) {
+            const formattedContent = this.formatScriptBlockContent(scriptBlockExpr.rawContent);
+            this.append(formattedContent);
+        } else if (scriptBlockExpr.expression) {
+            // 兼容旧格式
+            this.generateExpression(scriptBlockExpr.expression);
+        }
+        
+        this.append('}');
+    }
+
+    private formatScriptBlockContent(content: string): string {
+        if (!content || !content.trim()) {
+            return content;
+        }
+
+        // 应用PowerShell官方规范的格式化规则
+        let formatted = content.trim();
+        
+        // 1. 保护所有属性访问操作符 - 这是最关键的
+        // 匹配所有形式的属性访问：$var.Property, $_.Property, $obj.Method.Property等
+        formatted = formatted.replace(/(\$[a-zA-Z_][a-zA-Z0-9_]*|\$_)\s*\.\s*([a-zA-Z_][a-zA-Z0-9_]*)/g, '$1.$2');
+        
+        // 2. 保护方法调用中的点号
+        formatted = formatted.replace(/(\w)\s*\.\s*([a-zA-Z_][a-zA-Z0-9_]*)\s*\(/g, '$1.$2(');
+        
+        // 3. 确保数字单位不被分离
+        formatted = formatted.replace(/(\d+)\s*(KB|MB|GB|TB|PB)/gi, '$1$2');
+        
+        // 4. PowerShell比较和逻辑操作符需要前后空格
+        const powershellOps = [
+            '-eq', '-ne', '-lt', '-le', '-gt', '-ge',
+            '-like', '-notlike', '-match', '-notmatch', 
+            '-contains', '-notcontains', '-in', '-notin',
+            '-is', '-isnot', '-as', '-and', '-or', '-not', '-xor'
+        ];
+        
+        for (const op of powershellOps) {
+            const regex = new RegExp(`\\s*${op.replace('-', '\\-')}\\s*`, 'gi');
+            formatted = formatted.replace(regex, ` ${op} `);
+        }
+        
+        // 5. 清理多余空格，但保护属性访问
+        formatted = formatted.replace(/\s{2,}/g, ' ').trim();
+        
+        // 6. 最终检查：确保没有属性访问被破坏
+        formatted = formatted.replace(/(\$\w+|\$_)\s+\.\s*/g, '$1.');
+        
+        return formatted;
+    }
+
+
+    private generateSingleLineComment(text: string): void {
+        // 确保单行注释以 # 开头
+        const cleanText = text.startsWith('#') ? text : `# ${text}`;
+        this.append(cleanText);
+    }
+
+    private generateMultilineComment(text: string): void {
+        // 多行注释保持原格式
+        this.append(text);
+    }
+
+    private isLeadingComment(comment: CommentAst): boolean {
+        // 简单判断：如果注释在文档开头，就认为是前导注释
+        return comment.line <= 3;
+    }
+
+    private addStatementSeparation(current: StatementAst, next: StatementAst): void {
+        // 函数之间添加空行
+        if (current.type === 'FunctionDefinition' || next.type === 'FunctionDefinition') {
+            this.appendLine('');
+        }
+        
+        // 控制结构前添加空行
+        if (next.type === 'IfStatement' && !this.lastWasComment) {
+            this.appendLine('');
+        }
+    }
+
+    private handleFinalNewline(): void {
+        if (this.rules.insertFinalNewline && this.output.length > 0) {
+            const lastLine = this.output[this.output.length - 1];
+            if (!lastLine.endsWith(this.rules.getNewline())) {
+                this.appendLine('');
+            }
+        }
+    }
+
+    private postProcess(code: string): string {
+        let result = code;
+
+        // 清理多余的空行
+        if (this.rules.maxConsecutiveEmptyLines >= 0) {
+            const maxEmpty = this.rules.maxConsecutiveEmptyLines;
+            const emptyLinePattern = new RegExp(`(${this.rules.getNewline()}){${maxEmpty + 2},}`, 'g');
+            const replacement = this.rules.getNewline().repeat(maxEmpty + 1);
+            result = result.replace(emptyLinePattern, replacement);
+        }
+
+        // 清理行尾空白
+        if (this.rules.trimTrailingWhitespace) {
+            result = result.replace(/ +$/gm, '');
+        }
+
+        return result;
+    }
+
+    // 辅助方法
+    private append(text: string): void {
+        this.output.push(text);
+        this.currentLineLength += text.length;
+        this.needsNewline = false;
+        this.lastWasComment = false;
+    }
+
+    private appendLine(text: string): void {
+        this.output.push(text + this.rules.getNewline());
+        this.currentLineLength = 0;
+        this.needsNewline = false;
+        this.lastWasComment = false;
+    }
+
+    private appendIndent(): void {
+        const indent = this.rules.getIndent(this.indentLevel);
+        this.append(indent);
+    }
+
+    private ensureNewline(): void {
+        if (!this.needsNewline) {
+            this.appendLine('');
+            this.needsNewline = true;
+        }
+    }
+
+    private indent(): void {
+        this.indentLevel++;
+    }
+
+    private outdent(): void {
+        this.indentLevel = Math.max(0, this.indentLevel - 1);
+    }
+
+    private shouldWrapLine(): boolean {
+        return this.currentLineLength > this.rules.printWidth;
+    }
+}
+
+/**
+ * 便捷函数：格式化PowerShell AST
+ */
+export function formatPowerShellAST(
+    ast: ScriptBlockAst, 
+    comments: CommentAst[] = [],
+    options: Partial<FormatterOptions> = {}
+): string {
+    const generator = new PowerShellCodeGenerator(options);
+    return generator.generate(ast, comments);
+}

frontend/src/common/prettier/plugins/powershell/formatter-rules.ts

@@ -0,0 +1,440 @@
+/**
+ * PowerShell 格式化规则引擎
+ * 定义各种可配置的代码格式化规则和策略
+ */
+
+export interface FormatterOptions {
+    // 基本格式化选项
+    indentSize: number;                    // 缩进大小
+    useTabsForIndentation: boolean;        // 使用制表符还是空格
+    printWidth: number;                    // 行最大长度
+    endOfLine: 'lf' | 'crlf' | 'cr' | 'auto'; // 行尾符类型
+    
+    // 空格和间距
+    spaceAroundOperators: boolean;         // 操作符周围的空格
+    spaceAfterCommas: boolean;            // 逗号后的空格
+    spaceAfterSemicolons: boolean;        // 分号后的空格
+    spaceInsideParentheses: boolean;      // 括号内的空格
+    spaceInsideBrackets: boolean;         // 方括号内的空格
+    spaceInsideBraces: boolean;           // 大括号内的空格
+    
+    // 换行和空行
+    maxConsecutiveEmptyLines: number;      // 最大连续空行数
+    insertFinalNewline: boolean;           // 文件末尾插入换行符
+    trimTrailingWhitespace: boolean;       // 删除行尾空白
+    blankLinesAroundFunctions: number;     // 函数前后的空行数
+    blankLinesAroundClasses: number;       // 类前后的空行数
+    blankLinesAroundIfStatements: boolean; // if语句前后的空行
+    
+    // 括号和大括号
+    braceStyle: 'allman' | 'otbs' | 'stroustrup'; // 大括号风格
+    alwaysParenthesizeArrowFunctions: boolean;     // 箭头函数总是用括号
+    
+    // PowerShell特定选项
+    formatPipelines: boolean;              // 格式化管道
+    pipelineStyle: 'oneline' | 'multiline' | 'auto'; // 管道风格
+    formatParameters: boolean;             // 格式化参数
+    parameterAlignment: 'left' | 'right' | 'auto'; // 参数对齐方式
+    formatHashtables: boolean;             // 格式化哈希表
+    hashtableStyle: 'compact' | 'expanded'; // 哈希表风格
+    formatArrays: boolean;                 // 格式化数组
+    arrayStyle: 'compact' | 'expanded';    // 数组风格
+    formatComments: boolean;               // 格式化注释
+    commentAlignment: 'left' | 'preserve'; // 注释对齐方式
+    
+    // 命名和大小写
+    preferredCommandCase: 'lowercase' | 'uppercase' | 'pascalcase' | 'preserve'; // 命令大小写
+    preferredParameterCase: 'lowercase' | 'uppercase' | 'pascalcase' | 'preserve'; // 参数大小写
+    preferredVariableCase: 'camelcase' | 'pascalcase' | 'preserve'; // 变量大小写
+    
+    // 引号和字符串
+    quotestyle: 'single' | 'double' | 'preserve'; // 引号风格
+    escapeNonAscii: boolean;               // 转义非ASCII字符
+    
+    // 长度和换行
+    wrapLongLines: boolean;                // 自动换行长行
+    wrapParameters: boolean;               // 换行长参数列表
+    wrapArrays: boolean;                   // 换行长数组
+    wrapHashtables: boolean;               // 换行长哈希表
+}
+
+export const DEFAULT_OPTIONS: FormatterOptions = {
+    // 基本选项
+    indentSize: 4,
+    useTabsForIndentation: false,
+    printWidth: 120,
+    endOfLine: 'auto',
+    
+    // 空格设置
+    spaceAroundOperators: true,
+    spaceAfterCommas: true,
+    spaceAfterSemicolons: true,
+    spaceInsideParentheses: false,
+    spaceInsideBrackets: false,
+    spaceInsideBraces: true,
+    
+    // 空行设置
+    maxConsecutiveEmptyLines: 2,
+    insertFinalNewline: true,
+    trimTrailingWhitespace: true,
+    blankLinesAroundFunctions: 1,
+    blankLinesAroundClasses: 1,
+    blankLinesAroundIfStatements: false,
+    
+    // 括号风格
+    braceStyle: 'otbs', // One True Brace Style
+    alwaysParenthesizeArrowFunctions: false,
+    
+    // PowerShell特定
+    formatPipelines: true,
+    pipelineStyle: 'auto',
+    formatParameters: true,
+    parameterAlignment: 'left',
+    formatHashtables: true,
+    hashtableStyle: 'compact',
+    formatArrays: true,
+    arrayStyle: 'compact',
+    formatComments: true,
+    commentAlignment: 'preserve',
+    
+    // 命名约定
+    preferredCommandCase: 'pascalcase',
+    preferredParameterCase: 'preserve',
+    preferredVariableCase: 'preserve',
+    
+    // 字符串设置
+    quotestyle: 'preserve',
+    escapeNonAscii: false,
+    
+    // 长度处理
+    wrapLongLines: true,
+    wrapParameters: true,
+    wrapArrays: true,
+    wrapHashtables: true
+};
+
+/**
+ * 格式化规则类，包含各种格式化策略的实现
+ */
+export class FormatterRules {
+    private options: FormatterOptions;
+
+    constructor(options: Partial<FormatterOptions> = {}) {
+        this.options = { ...DEFAULT_OPTIONS, ...options };
+    }
+
+    /**
+     * 获取缩进字符串
+     */
+    getIndent(level: number): string {
+        if (level <= 0) return '';
+        
+        const indentChar = this.options.useTabsForIndentation ? '\t' : ' ';
+        const indentSize = this.options.useTabsForIndentation ? 1 : this.options.indentSize;
+        
+        return indentChar.repeat(level * indentSize);
+    }
+
+    /**
+     * 获取换行符
+     */
+    getNewline(): string {
+        switch (this.options.endOfLine) {
+            case 'lf': return '\n';
+            case 'crlf': return '\r\n';
+            case 'cr': return '\r';
+            case 'auto': 
+            default:
+                // 在浏览器环境中默认使用 LF
+                return '\n';
+        }
+    }
+
+    /**
+     * 格式化操作符周围的空格
+     */
+    formatOperatorSpacing(operator: string): string {
+        if (!this.options.spaceAroundOperators) {
+            return operator;
+        }
+
+        // PowerShell语法中绝对不能加空格的操作符（官方规范）
+        const noSpaceOperators = [
+            '.', '::',                    // 属性访问和静态成员访问 - 这是PowerShell面向对象的核心
+            '[', ']',                     // 数组索引和类型转换
+            '(', ')', '{', '}',          // 括号
+            '@{',                         // 哈希表字面量开始
+            ';',                          // 哈希表和语句分隔符
+            '-',                          // cmdlet连字符（Get-ChildItem中的-）
+            '::'                          // 静态成员访问
+        ];
+        
+        if (noSpaceOperators.includes(operator)) {
+            return operator;
+        }
+
+        // PowerShell比较操作符需要空格
+        const powershellOperators = ['-eq', '-ne', '-lt', '-le', '-gt', '-ge', 
+                                   '-like', '-notlike', '-match', '-notmatch',
+                                   '-contains', '-notcontains', '-in', '-notin',
+                                   '-is', '-isnot', '-as', '-and', '-or', '-not', '-xor'];
+        
+        if (powershellOperators.some(op => operator.toLowerCase() === op)) {
+            return ` ${operator} `;
+        }
+
+        // 算术和赋值操作符需要空格
+        const spaceOperators = ['=', '+=', '-=', '*=', '/=', '%=', '+', '*', '/', '%'];
+        if (spaceOperators.includes(operator)) {
+            return ` ${operator} `;
+        }
+
+        return operator;
+    }
+
+    /**
+     * 格式化逗号后的空格
+     */
+    formatComma(): string {
+        return this.options.spaceAfterCommas ? ', ' : ',';
+    }
+
+    /**
+     * 格式化分号后的空格
+     */
+    formatSemicolon(): string {
+        return this.options.spaceAfterSemicolons ? '; ' : ';';
+    }
+
+    /**
+     * 格式化括号内的空格
+     */
+    formatParentheses(content: string): string {
+        if (this.options.spaceInsideParentheses) {
+            return `( ${content} )`;
+        }
+        return `(${content})`;
+    }
+
+    /**
+     * 格式化方括号内的空格
+     */
+    formatBrackets(content: string): string {
+        if (this.options.spaceInsideBrackets) {
+            return `[ ${content} ]`;
+        }
+        return `[${content}]`;
+    }
+
+    /**
+     * 格式化大括号内的空格
+     */
+    formatBraces(content: string): string {
+        if (this.options.spaceInsideBraces) {
+            return `{ ${content} }`;
+        }
+        return `{${content}}`;
+    }
+
+    /**
+     * 获取大括号的开始位置
+     */
+    getBraceStart(): string {
+        switch (this.options.braceStyle) {
+            case 'allman':
+                return this.getNewline() + '{';
+            case 'stroustrup':
+                return this.getNewline() + '{';
+            case 'otbs':
+            default:
+                return ' {';
+        }
+    }
+
+    /**
+     * 格式化命令名的大小写
+     */
+    formatCommandCase(command: string): string {
+        switch (this.options.preferredCommandCase) {
+            case 'lowercase':
+                return command.toLowerCase();
+            case 'uppercase':
+                return command.toUpperCase();
+            case 'pascalcase':
+                return this.toPascalCasePreservingHyphens(command);
+            case 'preserve':
+            default:
+                return command;
+        }
+    }
+
+    /**
+     * 检查是否应该格式化命令大小写
+     */
+    shouldFormatCommandCase(): boolean {
+        return this.options.preferredCommandCase !== 'preserve';
+    }
+
+    /**
+     * 格式化参数名的大小写
+     */
+    formatParameterCase(parameter: string): string {
+        switch (this.options.preferredParameterCase) {
+            case 'lowercase':
+                return parameter.toLowerCase();
+            case 'uppercase':
+                return parameter.toUpperCase();
+            case 'pascalcase':
+                return this.toPascalCase(parameter);
+            case 'preserve':
+            default:
+                return parameter;
+        }
+    }
+
+    /**
+     * 格式化变量名的大小写
+     */
+    formatVariableCase(variable: string): string {
+        if (!variable.startsWith('$')) {
+            return variable;
+        }
+
+        const variableName = variable.substring(1);
+        let formattedName: string;
+
+        switch (this.options.preferredVariableCase) {
+            case 'camelcase':
+                formattedName = this.toCamelCase(variableName);
+                break;
+            case 'pascalcase':
+                formattedName = this.toPascalCase(variableName);
+                break;
+            case 'preserve':
+            default:
+                formattedName = variableName;
+                break;
+        }
+
+        return '$' + formattedName;
+    }
+
+    /**
+     * 格式化字符串引号
+     */
+    formatQuotes(value: string): string {
+        if (this.options.quotestyle === 'preserve') {
+            return value;
+        }
+
+        const content = this.extractStringContent(value);
+        
+        switch (this.options.quotestyle) {
+            case 'single':
+                return `'${content.replace(/'/g, "''")}'`;
+            case 'double':
+                return `"${content.replace(/"/g, '""')}"`;
+            default:
+                return value;
+        }
+    }
+
+    /**
+     * 检查是否需要换行
+     */
+    shouldWrapLine(line: string): boolean {
+        return this.options.wrapLongLines && line.length > this.options.printWidth;
+    }
+
+    /**
+     * 获取管道样式
+     */
+    getPipelineStyle(elementCount: number): 'oneline' | 'multiline' {
+        switch (this.options.pipelineStyle) {
+            case 'oneline':
+                return 'oneline';
+            case 'multiline':
+                return 'multiline';
+            case 'auto':
+            default:
+                return elementCount > 2 ? 'multiline' : 'oneline';
+        }
+    }
+
+    /**
+     * 获取哈希表样式
+     */
+    getHashtableStyle(entryCount: number): 'compact' | 'expanded' {
+        if (this.options.hashtableStyle === 'compact') {
+            return 'compact';
+        }
+        if (this.options.hashtableStyle === 'expanded') {
+            return 'expanded';
+        }
+        // auto logic: 对于小型哈希表默认使用compact，避免不必要的换行
+        return entryCount > 5 ? 'expanded' : 'compact';
+    }
+
+    /**
+     * 获取数组样式
+     */
+    getArrayStyle(elementCount: number): 'compact' | 'expanded' {
+        if (this.options.arrayStyle === 'compact') {
+            return 'compact';
+        }
+        if (this.options.arrayStyle === 'expanded') {
+            return 'expanded';
+        }
+        // auto logic could be added here
+        return elementCount > 5 ? 'expanded' : 'compact';
+    }
+
+    // 辅助方法
+    private toPascalCase(str: string): string {
+        return str.split(/[-_\s]/)
+            .map(word => word.charAt(0).toUpperCase() + word.slice(1).toLowerCase())
+            .join('');
+    }
+
+    /**
+     * 转换为PascalCase但保留连字符（专门用于PowerShell cmdlet）
+     */
+    private toPascalCasePreservingHyphens(str: string): string {
+        return str.split('-')
+            .map(part => part.charAt(0).toUpperCase() + part.slice(1).toLowerCase())
+            .join('-');
+    }
+
+    private toCamelCase(str: string): string {
+        const pascalCase = this.toPascalCase(str);
+        return pascalCase.charAt(0).toLowerCase() + pascalCase.slice(1);
+    }
+
+    private extractStringContent(str: string): string {
+        if ((str.startsWith('"') && str.endsWith('"')) || 
+            (str.startsWith("'") && str.endsWith("'"))) {
+            return str.slice(1, -1);
+        }
+        return str;
+    }
+
+    // Getter methods for options
+    get indentSize(): number { return this.options.indentSize; }
+    get printWidth(): number { return this.options.printWidth; }
+    get maxConsecutiveEmptyLines(): number { return this.options.maxConsecutiveEmptyLines; }
+    get insertFinalNewline(): boolean { return this.options.insertFinalNewline; }
+    get trimTrailingWhitespace(): boolean { return this.options.trimTrailingWhitespace; }
+    get blankLinesAroundFunctions(): number { return this.options.blankLinesAroundFunctions; }
+    get formatPipelines(): boolean { return this.options.formatPipelines; }
+    get formatParameters(): boolean { return this.options.formatParameters; }
+    get formatHashtables(): boolean { return this.options.formatHashtables; }
+    get formatArrays(): boolean { return this.options.formatArrays; }
+    get formatComments(): boolean { return this.options.formatComments; }
+
+    /**
+     * 创建规则的副本，可以重写部分选项
+     */
+    withOptions(overrides: Partial<FormatterOptions>): FormatterRules {
+        return new FormatterRules({ ...this.options, ...overrides });
+    }
+}

frontend/src/common/prettier/plugins/powershell/index.ts

@@ -0,0 +1,208 @@
+/**
+ * Prettier Plugin for PowerShell file formatting - Modular Version
+ * 
+ * This plugin provides support for formatting PowerShell files (.ps1, .psm1, .psd1)
+ * using a modular architecture with lexer, parser, AST, and code generator.
+ */
+import type { Plugin, Parser, Printer, AstPath, Doc } from 'prettier';
+import { PowerShellLexer } from './lexer';
+import { PowerShellParser } from './parser';
+import { ScriptBlockAst, CommentAst } from './ast';
+import { formatPowerShellAST } from './code-generator';
+import { FormatterOptions, DEFAULT_OPTIONS } from './formatter-rules';
+
+// PowerShell格式化结果接口
+interface PowerShellParseResult {
+    ast: ScriptBlockAst;
+    comments: CommentAst[];
+    originalText: string;
+}
+
+const parserName = 'powershell';
+
+// 语言配置
+const languages = [
+    {
+        name: 'PowerShell',
+        aliases: ['powershell', 'pwsh', 'posh'],
+        parsers: [parserName],
+        extensions: ['.ps1', '.psm1', '.psd1'],
+        filenames: ['profile.ps1'],
+        tmScope: 'source.powershell',
+        aceMode: 'powershell',
+        linguistLanguageId: 295,
+        vscodeLanguageIds: ['powershell']
+    },
+];
+
+// 解析器配置
+const powershellParser: Parser<PowerShellParseResult> = {
+    parse: parseCode,
+    astFormat: 'powershell',
+    locStart: (node: PowerShellParseResult) => 0,
+    locEnd: (node: PowerShellParseResult) => node.originalText.length,
+};
+
+/**
+ * 解析PowerShell代码
+ */
+async function parseCode(text: string, parsers?: any, options?: any): Promise<PowerShellParseResult> {
+    try {
+        // 词法分析
+        const lexer = new PowerShellLexer(text);
+        const tokens = lexer.tokenize();
+        
+        // 语法分析
+        const parser = new PowerShellParser(tokens, text);
+        const ast = parser.parse();
+        const comments = parser.getComments();
+        
+        return {
+            ast,
+            comments,
+            originalText: text
+        };
+    } catch (error) {
+        console.warn('PowerShell parsing failed, using fallback:', error);
+        
+        // 解析失败时，创建一个包含原始文本的简单AST
+        // 这样可以确保格式化失败时返回原始代码而不是空内容
+        return {
+            ast: {
+                type: 'ScriptBlock',
+                statements: [{
+                    type: 'RawText',
+                    value: text,
+                    start: 0,
+                    end: text.length,
+                    line: 1,
+                    column: 1
+                } as any],
+                start: 0,
+                end: text.length,
+                line: 1,
+                column: 1
+            },
+            comments: [],
+            originalText: text
+        };
+    }
+}
+
+/**
+ * PowerShell代码打印器
+ */
+const printPowerShell = (path: AstPath<PowerShellParseResult>, options: any): Doc => {
+    const parseResult = path.node;
+    
+    try {
+        // 构建格式化选项 - 优先保持原有格式，避免破坏PowerShell语法
+        const formatterOptions: Partial<FormatterOptions> = {
+            indentSize: options.tabWidth || DEFAULT_OPTIONS.indentSize,
+            useTabsForIndentation: options.useTabs || DEFAULT_OPTIONS.useTabsForIndentation,
+            printWidth: options.printWidth || DEFAULT_OPTIONS.printWidth,
+            spaceAroundOperators: true,
+            formatPipelines: true,
+            formatParameters: true,
+            formatHashtables: true,
+            hashtableStyle: 'compact',  // 强制使用紧凑格式，避免不必要的换行
+            formatArrays: true,
+            arrayStyle: 'compact',
+            formatComments: true,
+            maxConsecutiveEmptyLines: 1,
+            insertFinalNewline: true,
+            trimTrailingWhitespace: true,
+            blankLinesAroundFunctions: 1,
+            braceStyle: 'otbs',
+            preferredCommandCase: 'preserve',  // 保持原有命令大小写，不破坏语法
+            preferredParameterCase: 'preserve',
+            preferredVariableCase: 'preserve',
+            quotestyle: 'preserve',
+            wrapLongLines: true
+        };
+        
+        // 使用新的模块化格式化器
+        const formattedCode = formatPowerShellAST(
+            parseResult.ast, 
+            parseResult.comments, 
+            formatterOptions
+        );
+        
+        return formattedCode;
+    } catch (error) {
+        console.warn('PowerShell formatting failed, returning original code:', error);
+        return parseResult.originalText;
+    }
+};
+
+// 打印器配置
+const powershellPrinter: Printer<PowerShellParseResult> = {
+    print: printPowerShell,
+};
+
+// 插件选项配置
+const options = {
+    // PowerShell特定格式化选项
+    powershellBraceStyle: {
+        type: 'choice' as const,
+        category: 'PowerShell',
+        default: DEFAULT_OPTIONS.braceStyle,
+        description: 'PowerShell大括号样式',
+        choices: [
+            { value: 'allman', description: 'Allman风格（大括号另起一行）' },
+            { value: 'otbs', description: '1TBS风格（大括号同行）' },
+            { value: 'stroustrup', description: 'Stroustrup风格' }
+        ]
+    },
+    powershellCommandCase: {
+        type: 'choice' as const,
+        category: 'PowerShell',
+        default: DEFAULT_OPTIONS.preferredCommandCase,
+        description: 'PowerShell命令大小写风格',
+        choices: [
+            { value: 'lowercase', description: '小写' },
+            { value: 'uppercase', description: '大写' },
+            { value: 'pascalcase', description: 'Pascal大小写' },
+            { value: 'preserve', description: '保持原样' }
+        ]
+    },
+    powershellPipelineStyle: {
+        type: 'choice' as const,
+        category: 'PowerShell',
+        default: DEFAULT_OPTIONS.pipelineStyle,
+        description: 'PowerShell管道样式',
+        choices: [
+            { value: 'oneline', description: '单行' },
+            { value: 'multiline', description: '多行' },
+            { value: 'auto', description: '自动' }
+        ]
+    },
+    powershellSpaceAroundOperators: {
+        type: 'boolean' as const,
+        category: 'PowerShell',
+        default: DEFAULT_OPTIONS.spaceAroundOperators,
+        description: '在操作符周围添加空格'
+    },
+    powershellMaxEmptyLines: {
+        type: 'int' as const,
+        category: 'PowerShell',
+        default: DEFAULT_OPTIONS.maxConsecutiveEmptyLines,
+        description: '最大连续空行数'
+    }
+};
+
+const powershellPlugin: Plugin = {
+    languages,
+    parsers: {
+        [parserName]: powershellParser,
+    },
+    printers: {
+        [parserName]: powershellPrinter,
+    },
+    options,
+};
+
+export default powershellPlugin;
+export { languages };
+export const parsers = powershellPlugin.parsers;
+export const printers = powershellPlugin.printers;

frontend/src/common/prettier/plugins/powershell/lexer.ts

@@ -0,0 +1,722 @@
+/**
+ * PowerShell 词法分析器 (Lexer)
+ * 将PowerShell代码分解为tokens，用于后续的语法分析和格式化
+ */
+
+export enum TokenType {
+    // 字面量
+    STRING = 'STRING',
+    NUMBER = 'NUMBER',
+    VARIABLE = 'VARIABLE',
+    
+    // 关键字
+    KEYWORD = 'KEYWORD',
+    FUNCTION = 'FUNCTION',
+    
+    // 操作符
+    OPERATOR = 'OPERATOR',
+    ASSIGNMENT = 'ASSIGNMENT',
+    COMPARISON = 'COMPARISON',
+    LOGICAL = 'LOGICAL',
+    ARITHMETIC = 'ARITHMETIC',
+    
+    // 分隔符
+    LEFT_PAREN = 'LEFT_PAREN',
+    RIGHT_PAREN = 'RIGHT_PAREN',
+    LEFT_BRACE = 'LEFT_BRACE',
+    RIGHT_BRACE = 'RIGHT_BRACE',
+    LEFT_BRACKET = 'LEFT_BRACKET',
+    RIGHT_BRACKET = 'RIGHT_BRACKET',
+    SEMICOLON = 'SEMICOLON',
+    COMMA = 'COMMA',
+    DOT = 'DOT',
+    PIPE = 'PIPE',
+    
+    // 特殊
+    WHITESPACE = 'WHITESPACE',
+    NEWLINE = 'NEWLINE',
+    COMMENT = 'COMMENT',
+    MULTILINE_COMMENT = 'MULTILINE_COMMENT',
+    HERE_STRING = 'HERE_STRING',
+    
+    // 控制结构
+    IF = 'IF',
+    ELSE = 'ELSE',
+    ELSEIF = 'ELSEIF',
+    WHILE = 'WHILE',
+    FOR = 'FOR',
+    FOREACH = 'FOREACH',
+    SWITCH = 'SWITCH',
+    TRY = 'TRY',
+    CATCH = 'CATCH',
+    FINALLY = 'FINALLY',
+    
+    // 其他
+    IDENTIFIER = 'IDENTIFIER',
+    CMDLET = 'CMDLET',
+    PARAMETER = 'PARAMETER',
+    EOF = 'EOF',
+    UNKNOWN = 'UNKNOWN'
+}
+
+export interface Token {
+    type: TokenType;
+    value: string;
+    line: number;
+    column: number;
+    startIndex: number;
+    endIndex: number;
+}
+
+export class PowerShellLexer {
+    private code: string;
+    private position: number = 0;
+    private line: number = 1;
+    private column: number = 1;
+    private tokens: Token[] = [];
+
+    // PowerShell关键字
+    private readonly keywords = new Set([
+        'if', 'else', 'elseif', 'switch', 'while', 'for', 'foreach', 'do',
+        'try', 'catch', 'finally', 'throw', 'return', 'break', 'continue',
+        'function', 'filter', 'param', 'begin', 'process', 'end',
+        'class', 'enum', 'using', 'namespace', 'workflow', 'configuration',
+        'dynamicparam', 'exit'
+    ]);
+
+    // PowerShell比较操作符
+    private readonly comparisonOperators = new Set([
+        '-eq', '-ne', '-lt', '-le', '-gt', '-ge',
+        '-like', '-notlike', '-match', '-notmatch',
+        '-contains', '-notcontains', '-in', '-notin',
+        '-is', '-isnot', '-as'
+    ]);
+
+    // PowerShell逻辑操作符
+    private readonly logicalOperators = new Set([
+        '-and', '-or', '-not', '-xor', '-band', '-bor', '-bxor', '-bnot'
+    ]);
+
+    constructor(code: string) {
+        this.code = code;
+    }
+
+    /**
+     * 对代码进行词法分析，返回token数组
+     */
+    public tokenize(): Token[] {
+        this.position = 0;
+        this.line = 1;
+        this.column = 1;
+        this.tokens = [];
+
+        while (this.position < this.code.length) {
+            this.skipWhitespace();
+            
+            if (this.position >= this.code.length) {
+                break;
+            }
+
+            const token = this.nextToken();
+            if (token) {
+                this.tokens.push(token);
+            }
+        }
+
+        this.tokens.push({
+            type: TokenType.EOF,
+            value: '',
+            line: this.line,
+            column: this.column,
+            startIndex: this.position,
+            endIndex: this.position
+        });
+
+        return this.tokens;
+    }
+
+    private nextToken(): Token | null {
+        const startPos = this.position;
+        const startLine = this.line;
+        const startColumn = this.column;
+
+        const char = this.code[this.position];
+
+        // 处理换行
+        if (char === '\n') {
+            this.advance();
+            return this.createToken(TokenType.NEWLINE, '\n', startPos, startLine, startColumn);
+        }
+
+        // 处理注释
+        if (char === '#') {
+            return this.tokenizeComment(startPos, startLine, startColumn);
+        }
+
+        // 处理多行注释
+        if (char === '<' && this.peek() === '#') {
+            return this.tokenizeMultilineComment(startPos, startLine, startColumn);
+        }
+
+        // 处理字符串
+        if (char === '"' || char === "'") {
+            return this.tokenizeString(startPos, startLine, startColumn);
+        }
+
+        // 处理Here-String
+        if (char === '@' && (this.peek() === '"' || this.peek() === "'")) {
+            return this.tokenizeHereString(startPos, startLine, startColumn);
+        }
+
+        // 处理哈希表字面量 @{
+        if (char === '@' && this.peek() === '{') {
+            this.advance(); // skip '@'
+            this.advance(); // skip '{'
+            return this.createToken(TokenType.LEFT_BRACE, '@{', startPos, startLine, startColumn);
+        }
+
+        // 处理变量
+        if (char === '$') {
+            return this.tokenizeVariable(startPos, startLine, startColumn);
+        }
+
+        // 处理数字
+        if (this.isDigit(char) || (char === '.' && this.isDigit(this.peek()))) {
+            return this.tokenizeNumber(startPos, startLine, startColumn);
+        }
+
+        // 处理操作符和分隔符
+        const operatorToken = this.tokenizeOperator(startPos, startLine, startColumn);
+        if (operatorToken) {
+            return operatorToken;
+        }
+
+        // 优先处理PowerShell比较操作符（以-开头）
+        if (char === '-' && this.isIdentifierStart(this.peek())) {
+            const potentialOperator = this.peekPowerShellOperator();
+            if (potentialOperator) {
+                return this.tokenizePowerShellOperator(startPos, startLine, startColumn);
+            }
+            // 如果不是操作符，可能是参数
+            return this.tokenizeParameter(startPos, startLine, startColumn);
+        }
+
+        // 处理标识符（包括cmdlet和关键字）
+        if (this.isIdentifierStart(char)) {
+            return this.tokenizeIdentifier(startPos, startLine, startColumn);
+        }
+
+        // 处理PowerShell特殊字符
+        if (char === '?') {
+            this.advance();
+            return this.createToken(TokenType.OPERATOR, char, startPos, startLine, startColumn);
+        }
+        
+        // 处理独立的减号（可能是负数或减法）
+        if (char === '-') {
+            this.advance();
+            return this.createToken(TokenType.ARITHMETIC, char, startPos, startLine, startColumn);
+        }
+        
+        // 处理其他可能的特殊字符，作为标识符处理而不是未知字符
+        if (this.isPrintableChar(char)) {
+            this.advance();
+            return this.createToken(TokenType.IDENTIFIER, char, startPos, startLine, startColumn);
+        }
+
+        // 真正的未知字符（非打印字符等）
+        this.advance();
+        return this.createToken(TokenType.UNKNOWN, char, startPos, startLine, startColumn);
+    }
+
+    private tokenizeComment(startPos: number, startLine: number, startColumn: number): Token {
+        let value = '';
+        while (this.position < this.code.length && this.code[this.position] !== '\n') {
+            value += this.code[this.position];
+            this.advance();
+        }
+        return this.createToken(TokenType.COMMENT, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeMultilineComment(startPos: number, startLine: number, startColumn: number): Token {
+        let value = '';
+        this.advance(); // skip '<'
+        this.advance(); // skip '#'
+        value += '<#';
+
+        while (this.position < this.code.length - 1) {
+            if (this.code[this.position] === '#' && this.code[this.position + 1] === '>') {
+                value += '#>';
+                this.advance();
+                this.advance();
+                break;
+            }
+            value += this.code[this.position];
+            this.advance();
+        }
+
+        return this.createToken(TokenType.MULTILINE_COMMENT, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeString(startPos: number, startLine: number, startColumn: number): Token {
+        const quote = this.code[this.position];
+        let value = quote;
+        this.advance();
+
+        while (this.position < this.code.length) {
+            const char = this.code[this.position];
+            value += char;
+
+            if (char === quote) {
+                this.advance();
+                break;
+            }
+
+            // 处理转义字符
+            if (char === '`' && quote === '"') {
+                this.advance();
+                if (this.position < this.code.length) {
+                    value += this.code[this.position];
+                    this.advance();
+                }
+            } else {
+                this.advance();
+            }
+        }
+
+        return this.createToken(TokenType.STRING, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeHereString(startPos: number, startLine: number, startColumn: number): Token {
+        const quote = this.code[this.position + 1]; // " or '
+        let value = `@${quote}`;
+        this.advance(); // skip '@'
+        this.advance(); // skip quote
+
+        while (this.position < this.code.length - 1) {
+            if (this.code[this.position] === quote && this.code[this.position + 1] === '@') {
+                value += `${quote}@`;
+                this.advance();
+                this.advance();
+                break;
+            }
+            value += this.code[this.position];
+            this.advance();
+        }
+
+        return this.createToken(TokenType.HERE_STRING, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeVariable(startPos: number, startLine: number, startColumn: number): Token {
+        let value = '$';
+        this.advance(); // skip '$'
+
+        // 处理特殊变量如 $_, $$, $^
+        const specialVars = ['_', '$', '^', '?'];
+        if (specialVars.includes(this.code[this.position])) {
+            value += this.code[this.position];
+            this.advance();
+            return this.createToken(TokenType.VARIABLE, value, startPos, startLine, startColumn);
+        }
+
+        // 处理大括号变量 ${variable name}
+        if (this.code[this.position] === '{') {
+            this.advance(); // skip '{'
+            value += '{';
+            while (this.position < this.code.length && this.code[this.position] !== '}') {
+                value += this.code[this.position];
+                this.advance();
+            }
+            if (this.position < this.code.length) {
+                value += '}';
+                this.advance(); // skip '}'
+            }
+            return this.createToken(TokenType.VARIABLE, value, startPos, startLine, startColumn);
+        }
+
+        // 普通变量名
+        while (this.position < this.code.length && this.isIdentifierChar(this.code[this.position])) {
+            value += this.code[this.position];
+            this.advance();
+        }
+
+        return this.createToken(TokenType.VARIABLE, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeNumber(startPos: number, startLine: number, startColumn: number): Token {
+        let value = '';
+        let hasDecimal = false;
+
+        while (this.position < this.code.length) {
+            const char = this.code[this.position];
+            
+            if (this.isDigit(char)) {
+                value += char;
+                this.advance();
+            } else if (char === '.' && !hasDecimal && this.isDigit(this.peek())) {
+                hasDecimal = true;
+                value += char;
+                this.advance();
+            } else {
+                break;
+            }
+        }
+
+        // 检查是否有PowerShell数字单位后缀（KB, MB, GB, TB, PB）
+        const unitPattern = /^(KB|MB|GB|TB|PB)/i;
+        const remainingCode = this.code.substring(this.position);
+        const unitMatch = remainingCode.match(unitPattern);
+        
+        if (unitMatch) {
+            value += unitMatch[0]; // 使用 [0] 获取完整匹配
+            // 移动position到单位后面
+            for (let i = 0; i < unitMatch[0].length; i++) {
+                this.advance();
+            }
+        }
+
+        return this.createToken(TokenType.NUMBER, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeOperator(startPos: number, startLine: number, startColumn: number): Token | null {
+        const char = this.code[this.position];
+
+        // 双字符操作符
+        const twoChar = this.code.substring(this.position, this.position + 2);
+        const doubleOperators = ['==', '!=', '<=', '>=', '++', '--', '+=', '-=', '*=', '/=', '%='];
+        
+        if (doubleOperators.includes(twoChar)) {
+            this.advance();
+            this.advance();
+            return this.createToken(TokenType.OPERATOR, twoChar, startPos, startLine, startColumn);
+        }
+
+        // 单字符操作符
+        switch (char) {
+            case '=':
+                this.advance();
+                return this.createToken(TokenType.ASSIGNMENT, char, startPos, startLine, startColumn);
+            case '+':
+            case '*':
+            case '/':
+            case '%':
+                this.advance();
+                return this.createToken(TokenType.ARITHMETIC, char, startPos, startLine, startColumn);
+            case '-':
+                // 不在这里处理'-'，让PowerShell操作符检查优先处理
+                return null;
+            case '(':
+                this.advance();
+                return this.createToken(TokenType.LEFT_PAREN, char, startPos, startLine, startColumn);
+            case ')':
+                this.advance();
+                return this.createToken(TokenType.RIGHT_PAREN, char, startPos, startLine, startColumn);
+            case '{':
+                this.advance();
+                return this.createToken(TokenType.LEFT_BRACE, char, startPos, startLine, startColumn);
+            case '}':
+                this.advance();
+                return this.createToken(TokenType.RIGHT_BRACE, char, startPos, startLine, startColumn);
+            case '[':
+                // 检查是否是PowerShell类型转换 [type]
+                const typePattern = this.peekTypeConversion();
+                if (typePattern) {
+                    return this.tokenizeTypeConversion(startPos, startLine, startColumn);
+                }
+                this.advance();
+                return this.createToken(TokenType.LEFT_BRACKET, char, startPos, startLine, startColumn);
+            case ']':
+                this.advance();
+                return this.createToken(TokenType.RIGHT_BRACKET, char, startPos, startLine, startColumn);
+            case ';':
+                this.advance();
+                return this.createToken(TokenType.SEMICOLON, char, startPos, startLine, startColumn);
+            case ',':
+                this.advance();
+                return this.createToken(TokenType.COMMA, char, startPos, startLine, startColumn);
+            case '.':
+                this.advance();
+                return this.createToken(TokenType.DOT, char, startPos, startLine, startColumn);
+            case '|':
+                this.advance();
+                return this.createToken(TokenType.PIPE, char, startPos, startLine, startColumn);
+        }
+
+        return null;
+    }
+
+    private tokenizeIdentifier(startPos: number, startLine: number, startColumn: number): Token {
+        let value = '';
+        
+        // 改进的标识符识别，支持PowerShell cmdlet格式（动词-名词）
+        while (this.position < this.code.length) {
+            const char = this.code[this.position];
+            
+            if (this.isIdentifierChar(char)) {
+                value += char;
+                this.advance();
+            } else if (char === '-' && value.length > 0 && this.isIdentifierStart(this.peek())) {
+                // 检查是否是cmdlet格式（动词-名词）
+                const nextPart = this.peekIdentifierPart();
+                if (nextPart && !this.isPowerShellOperator('-' + nextPart)) {
+                    // 这是cmdlet名字的一部分，继续
+                    value += char;
+                    this.advance();
+                } else {
+                    // 这可能是操作符，停止
+                    break;
+                }
+            } else {
+                break;
+            }
+        }
+
+        const lowerValue = value.toLowerCase();
+        
+        // 检查是否是关键字
+        if (this.keywords.has(lowerValue)) {
+            return this.createToken(this.getKeywordTokenType(lowerValue), value, startPos, startLine, startColumn);
+        }
+
+        // 检查是否是函数（以动词-名词格式）
+        if (this.isCmdletName(value)) {
+            return this.createToken(TokenType.CMDLET, value, startPos, startLine, startColumn);
+        }
+
+        return this.createToken(TokenType.IDENTIFIER, value, startPos, startLine, startColumn);
+    }
+
+    private tokenizeParameter(startPos: number, startLine: number, startColumn: number): Token {
+        let value = '';
+        
+        while (this.position < this.code.length && (this.isIdentifierChar(this.code[this.position]) || this.code[this.position] === '-')) {
+            value += this.code[this.position];
+            this.advance();
+        }
+
+        const lowerValue = value.toLowerCase();
+        
+        // 检查是否是比较操作符
+        if (this.comparisonOperators.has(lowerValue)) {
+            return this.createToken(TokenType.COMPARISON, value, startPos, startLine, startColumn);
+        }
+
+        // 检查是否是逻辑操作符
+        if (this.logicalOperators.has(lowerValue)) {
+            return this.createToken(TokenType.LOGICAL, value, startPos, startLine, startColumn);
+        }
+
+        return this.createToken(TokenType.PARAMETER, value, startPos, startLine, startColumn);
+    }
+
+    private getKeywordTokenType(keyword: string): TokenType {
+        switch (keyword) {
+            case 'if': return TokenType.IF;
+            case 'else': return TokenType.ELSE;
+            case 'elseif': return TokenType.ELSEIF;
+            case 'while': return TokenType.WHILE;
+            case 'for': return TokenType.FOR;
+            case 'foreach': return TokenType.FOREACH;
+            case 'switch': return TokenType.SWITCH;
+            case 'try': return TokenType.TRY;
+            case 'catch': return TokenType.CATCH;
+            case 'finally': return TokenType.FINALLY;
+            case 'function': return TokenType.FUNCTION;
+            default: return TokenType.KEYWORD;
+        }
+    }
+
+    private isCmdletName(name: string): boolean {
+        // PowerShell cmdlet通常遵循 Verb-Noun 格式，可能包含多个连字符
+        const verbNounPattern = /^[A-Za-z]+(-[A-Za-z]+)+$/;
+        return verbNounPattern.test(name);
+    }
+
+    private peekPowerShellOperator(): string | null {
+        // 检查是否是PowerShell比较或逻辑操作符
+        const operatorPatterns = [
+            '-eq', '-ne', '-lt', '-le', '-gt', '-ge',
+            '-like', '-notlike', '-match', '-notmatch',
+            '-contains', '-notcontains', '-in', '-notin',
+            '-is', '-isnot', '-as',
+            '-and', '-or', '-not', '-xor',
+            '-band', '-bor', '-bxor', '-bnot'
+        ];
+        
+        for (const op of operatorPatterns) {
+            if (this.matchesOperator(op)) {
+                return op;
+            }
+        }
+        return null;
+    }
+    
+    private matchesOperator(operator: string): boolean {
+        if (this.position + operator.length > this.code.length) {
+            return false;
+        }
+        
+        const substr = this.code.substring(this.position, this.position + operator.length);
+        if (substr.toLowerCase() !== operator.toLowerCase()) {
+            return false;
+        }
+        
+        // 确保操作符后面不是字母数字字符（避免匹配部分单词）
+        const nextChar = this.position + operator.length < this.code.length 
+            ? this.code[this.position + operator.length] 
+            : ' ';
+        return !this.isIdentifierChar(nextChar);
+    }
+    
+    private tokenizePowerShellOperator(startPos: number, startLine: number, startColumn: number): Token {
+        const operator = this.peekPowerShellOperator();
+        if (!operator) {
+            // 如果不是操作符，作为参数处理
+            return this.tokenizeParameter(startPos, startLine, startColumn);
+        }
+        
+        // 消费操作符字符
+        for (let i = 0; i < operator.length; i++) {
+            this.advance();
+        }
+        
+        const lowerOp = operator.toLowerCase();
+        
+        // 确定操作符类型
+        if (this.comparisonOperators.has(lowerOp)) {
+            return this.createToken(TokenType.COMPARISON, operator, startPos, startLine, startColumn);
+        } else if (this.logicalOperators.has(lowerOp)) {
+            return this.createToken(TokenType.LOGICAL, operator, startPos, startLine, startColumn);
+        } else {
+            return this.createToken(TokenType.OPERATOR, operator, startPos, startLine, startColumn);
+        }
+    }
+    
+    private peekIdentifierPart(): string | null {
+        if (this.position + 1 >= this.code.length) {
+            return null;
+        }
+        
+        let result = '';
+        let pos = this.position + 1; // 跳过连字符
+        
+        while (pos < this.code.length && this.isIdentifierChar(this.code[pos])) {
+            result += this.code[pos];
+            pos++;
+        }
+        
+        return result.length > 0 ? result : null;
+    }
+    
+    private isPowerShellOperator(text: string): boolean {
+        const lowerText = text.toLowerCase();
+        return this.comparisonOperators.has(lowerText) || this.logicalOperators.has(lowerText);
+    }
+
+    private peekTypeConversion(): string | null {
+        // 检查是否是PowerShell类型转换，如 [int], [string], [datetime] 等
+        if (this.code[this.position] !== '[') {
+            return null;
+        }
+
+        let pos = this.position + 1; // 跳过 '['
+        let typeContent = '';
+
+        // 查找类型名称
+        while (pos < this.code.length && this.code[pos] !== ']') {
+            typeContent += this.code[pos];
+            pos++;
+        }
+
+        if (pos >= this.code.length || this.code[pos] !== ']') {
+            return null; // 没有找到匹配的 ']'
+        }
+
+        // 检查是否是有效的PowerShell类型
+        const validTypes = [
+            'int', 'int32', 'int64', 'string', 'bool', 'boolean', 'char', 'byte',
+            'double', 'float', 'decimal', 'long', 'short', 'datetime', 'timespan',
+            'array', 'hashtable', 'object', 'psobject', 'xml', 'scriptblock',
+            'guid', 'uri', 'version', 'regex', 'mailaddress', 'ipaddress'
+        ];
+
+        const lowerType = typeContent.toLowerCase().trim();
+        if (validTypes.includes(lowerType) || lowerType.includes('.')) {
+            return `[${typeContent}]`;
+        }
+
+        return null;
+    }
+
+    private tokenizeTypeConversion(startPos: number, startLine: number, startColumn: number): Token {
+        const typeConversion = this.peekTypeConversion();
+        if (!typeConversion) {
+            // 这不应该发生，但作为安全措施
+            this.advance();
+            return this.createToken(TokenType.LEFT_BRACKET, '[', startPos, startLine, startColumn);
+        }
+
+        // 消费整个类型转换
+        for (let i = 0; i < typeConversion.length; i++) {
+            this.advance();
+        }
+
+        return this.createToken(TokenType.IDENTIFIER, typeConversion, startPos, startLine, startColumn);
+    }
+
+    private isIdentifierStart(char: string): boolean {
+        return /[a-zA-Z_]/.test(char);
+    }
+
+    private isIdentifierChar(char: string): boolean {
+        return /[a-zA-Z0-9_]/.test(char);
+    }
+
+    private isDigit(char: string): boolean {
+        return char >= '0' && char <= '9';
+    }
+
+    private isPrintableChar(char: string): boolean {
+        // 检查是否为可打印字符（非控制字符）
+        const charCode = char.charCodeAt(0);
+        return charCode >= 32 && charCode <= 126;
+    }
+
+    private advance(): void {
+        if (this.position < this.code.length) {
+            if (this.code[this.position] === '\n') {
+                this.line++;
+                this.column = 1;
+            } else {
+                this.column++;
+            }
+            this.position++;
+        }
+    }
+
+    private peek(): string {
+        return this.position + 1 < this.code.length ? this.code[this.position + 1] : '';
+    }
+
+    private skipWhitespace(): void {
+        while (this.position < this.code.length) {
+            const char = this.code[this.position];
+            if (char === ' ' || char === '\t' || char === '\r') {
+                this.advance();
+            } else {
+                break;
+            }
+        }
+    }
+
+    private createToken(type: TokenType, value: string, startPos: number, line: number, column: number): Token {
+        return {
+            type,
+            value,
+            line,
+            column,
+            startIndex: startPos,
+            endIndex: this.position
+        };
+    }
+}

frontend/src/common/prettier/plugins/powershell/parser.ts

@@ -0,0 +1,821 @@
+/**
+ * PowerShell 语法分析器 (Parser)
+ * 将词法分析器产生的tokens转换为抽象语法树(AST)
+ */
+
+import { Token, TokenType } from './lexer';
+import { 
+    ASTNode, 
+    ScriptBlockAst, 
+    StatementAst, 
+    ExpressionAst, 
+    PipelineAst,
+    CommandAst,
+    AssignmentAst,
+    VariableAst,
+    LiteralAst,
+    BinaryExpressionAst,
+    IfStatementAst,
+    FunctionDefinitionAst,
+    ParameterAst,
+    ASTNodeFactory,
+    CommentAst,
+    PipelineElementAst,
+    ElseIfClauseAst,
+    UnaryExpressionAst,
+    ParenthesizedExpressionAst
+} from './ast';
+
+export class PowerShellParser {
+    private tokens: Token[];
+    private currentIndex: number = 0;
+    private comments: CommentAst[] = [];
+
+    private originalCode: string;
+
+    constructor(tokens: Token[], originalCode: string = '') {
+        this.tokens = tokens;
+        this.currentIndex = 0;
+        this.originalCode = originalCode;
+    }
+
+    /**
+     * 解析tokens生成AST
+     */
+    public parse(): ScriptBlockAst {
+        const statements: StatementAst[] = [];
+        
+        while (!this.isAtEnd()) {
+            // 跳过空白和换行
+            this.skipWhitespaceAndNewlines();
+            
+            if (this.isAtEnd()) {
+                break;
+            }
+
+            // 处理注释
+            if (this.match(TokenType.COMMENT, TokenType.MULTILINE_COMMENT)) {
+                const comment = this.parseComment();
+                this.comments.push(comment);
+                continue;
+            }
+
+            const statement = this.parseStatement();
+            if (statement) {
+                statements.push(statement);
+            }
+        }
+
+        const start = this.tokens.length > 0 ? this.tokens[0].startIndex : 0;
+        const end = this.tokens.length > 0 ? this.tokens[this.tokens.length - 1].endIndex : 0;
+        const line = this.tokens.length > 0 ? this.tokens[0].line : 1;
+        const column = this.tokens.length > 0 ? this.tokens[0].column : 1;
+
+        return ASTNodeFactory.createScriptBlock(statements, start, end, line, column);
+    }
+
+    public getComments(): CommentAst[] {
+        return this.comments;
+    }
+
+    private parseStatement(): StatementAst | null {
+        // 函数定义
+        if (this.check(TokenType.FUNCTION)) {
+            return this.parseFunctionDefinition();
+        }
+
+        // 控制流语句
+        if (this.check(TokenType.IF)) {
+            return this.parseIfStatement();
+        }
+
+        // 赋值或管道
+        return this.parsePipeline();
+    }
+
+    private parseFunctionDefinition(): FunctionDefinitionAst {
+        const start = this.current().startIndex;
+        const line = this.current().line;
+        const column = this.current().column;
+
+        this.consume(TokenType.FUNCTION, "Expected 'function'");
+        
+        // 函数名可能是CMDLET类型（如Get-Something）或IDENTIFIER
+        let nameToken: Token;
+        if (this.check(TokenType.CMDLET)) {
+            nameToken = this.consume(TokenType.CMDLET, "Expected function name");
+        } else {
+            nameToken = this.consume(TokenType.IDENTIFIER, "Expected function name");
+        }
+        const name = nameToken.value;
+
+        // 解析参数
+        const parameters: ParameterAst[] = [];
+        if (this.match(TokenType.LEFT_PAREN)) {
+            if (!this.check(TokenType.RIGHT_PAREN)) {
+                do {
+                    const param = this.parseParameter();
+                    if (param) {
+                        parameters.push(param);
+                    }
+                } while (this.match(TokenType.COMMA));
+            }
+            this.consume(TokenType.RIGHT_PAREN, "Expected ')' after parameters");
+        }
+
+        // 解析函数体
+        const body = this.parseScriptBlock();
+        
+        const end = this.previous().endIndex;
+
+        return ASTNodeFactory.createFunctionDefinition(name, parameters, body, start, end, line, column);
+    }
+
+    private parseIfStatement(): IfStatementAst {
+        const start = this.current().startIndex;
+        const line = this.current().line;
+        const column = this.current().column;
+
+        this.consume(TokenType.IF, "Expected 'if'");
+        
+        // PowerShell的if语句可能有括号，也可能没有
+        const hasParens = this.check(TokenType.LEFT_PAREN);
+        if (hasParens) {
+            this.consume(TokenType.LEFT_PAREN, "Expected '(' after 'if'");
+        }
+        
+        const condition = this.parseExpression();
+        
+        if (hasParens) {
+            this.consume(TokenType.RIGHT_PAREN, "Expected ')' after if condition");
+        }
+
+        const ifBody = this.parseScriptBlock();
+
+        const elseIfClauses: ElseIfClauseAst[] = [];
+        let elseBody: ScriptBlockAst | undefined;
+
+        // 处理 elseif 子句
+        while (this.match(TokenType.ELSEIF)) {
+            const elseIfStart = this.previous().startIndex;
+            const elseIfLine = this.previous().line;
+            const elseIfColumn = this.previous().column;
+
+            this.consume(TokenType.LEFT_PAREN, "Expected '(' after 'elseif'");
+            const elseIfCondition = this.parseExpression();
+            this.consume(TokenType.RIGHT_PAREN, "Expected ')' after elseif condition");
+            const elseIfBody = this.parseScriptBlock();
+            
+            const elseIfEnd = this.previous().endIndex;
+
+            elseIfClauses.push({
+                type: 'ElseIfClause',
+                condition: elseIfCondition,
+                body: elseIfBody,
+                start: elseIfStart,
+                end: elseIfEnd,
+                line: elseIfLine,
+                column: elseIfColumn
+            });
+        }
+
+        // 处理 else 子句
+        if (this.match(TokenType.ELSE)) {
+            elseBody = this.parseScriptBlock();
+        }
+
+        const end = this.previous().endIndex;
+
+        return ASTNodeFactory.createIfStatement(condition, ifBody, elseIfClauses, elseBody, start, end, line, column);
+    }
+
+    private parsePipeline(): PipelineAst {
+        const start = this.current().startIndex;
+        const line = this.current().line;
+        const column = this.current().column;
+
+        const elements: PipelineElementAst[] = [];
+        
+        // 解析第一个元素
+        const firstElement = this.parsePipelineElement();
+        elements.push(firstElement);
+
+        // 解析管道链
+        while (this.match(TokenType.PIPE)) {
+            const element = this.parsePipelineElement();
+            elements.push(element);
+        }
+
+        const end = this.previous().endIndex;
+
+        return ASTNodeFactory.createPipeline(elements, start, end, line, column);
+    }
+
+    private parsePipelineElement(): PipelineElementAst {
+        const start = this.current().startIndex;
+        const line = this.current().line;
+        const column = this.current().column;
+
+        const expression = this.parseAssignment();
+        const end = this.previous().endIndex;
+
+        return {
+            type: 'PipelineElement',
+            expression,
+            start,
+            end,
+            line,
+            column
+        };
+    }
+
+    private parseAssignment(): ExpressionAst {
+        const expr = this.parseLogicalOr();
+
+        if (this.match(TokenType.ASSIGNMENT)) {
+            const operator = this.previous().value;
+            const right = this.parseAssignment();
+            
+            return ASTNodeFactory.createAssignment(
+                expr, 
+                operator, 
+                right,
+                expr.start,
+                right.end,
+                expr.line,
+                expr.column
+            );
+        }
+
+        return expr;
+    }
+
+    private parseLogicalOr(): ExpressionAst {
+        let expr = this.parseLogicalAnd();
+
+        while (this.match(TokenType.LOGICAL)) {
+            const operator = this.previous().value.toLowerCase();
+            if (operator === '-or' || operator === '-xor') {
+                const right = this.parseLogicalAnd();
+                expr = ASTNodeFactory.createBinaryExpression(
+                    expr, 
+                    this.previous().value, // 使用原始大小写
+                    right,
+                    expr.start,
+                    right.end,
+                    expr.line,
+                    expr.column
+                );
+            } else {
+                // 如果不是预期的操作符，回退
+                this.currentIndex--;
+                break;
+            }
+        }
+
+        return expr;
+    }
+
+    private parseLogicalAnd(): ExpressionAst {
+        let expr = this.parseComparison();
+
+        while (this.match(TokenType.LOGICAL)) {
+            const operator = this.previous().value.toLowerCase();
+            if (operator === '-and') {
+                const right = this.parseComparison();
+                expr = ASTNodeFactory.createBinaryExpression(
+                    expr, 
+                    this.previous().value, // 使用原始大小写
+                    right,
+                    expr.start,
+                    right.end,
+                    expr.line,
+                    expr.column
+                );
+            } else {
+                // 如果不是预期的操作符，回退
+                this.currentIndex--;
+                break;
+            }
+        }
+
+        return expr;
+    }
+
+    private parseComparison(): ExpressionAst {
+        let expr = this.parseArithmetic();
+
+        while (this.match(TokenType.COMPARISON)) {
+            const operator = this.previous().value;
+            const right = this.parseArithmetic();
+            expr = ASTNodeFactory.createBinaryExpression(
+                expr, 
+                operator, 
+                right,
+                expr.start,
+                right.end,
+                expr.line,
+                expr.column
+            );
+        }
+
+        return expr;
+    }
+
+    private parseArithmetic(): ExpressionAst {
+        let expr = this.parseMultiplicative();
+
+        while (this.match(TokenType.ARITHMETIC)) {
+            const token = this.previous();
+            if (token.value === '+' || token.value === '-') {
+                const operator = token.value;
+                const right = this.parseMultiplicative();
+                expr = ASTNodeFactory.createBinaryExpression(
+                    expr, 
+                    operator, 
+                    right,
+                    expr.start,
+                    right.end,
+                    expr.line,
+                    expr.column
+                );
+            }
+        }
+
+        return expr;
+    }
+
+    private parseMultiplicative(): ExpressionAst {
+        let expr = this.parseUnary();
+
+        while (this.match(TokenType.ARITHMETIC)) {
+            const token = this.previous();
+            if (token.value === '*' || token.value === '/' || token.value === '%') {
+                const operator = token.value;
+                const right = this.parseUnary();
+                expr = ASTNodeFactory.createBinaryExpression(
+                    expr, 
+                    operator, 
+                    right,
+                    expr.start,
+                    right.end,
+                    expr.line,
+                    expr.column
+                );
+            }
+        }
+
+        return expr;
+    }
+
+    private parseUnary(): ExpressionAst {
+        if (this.match(TokenType.LOGICAL)) {
+            const token = this.previous();
+            const operator = token.value.toLowerCase();
+            if (operator === '-not') {
+                const operand = this.parseUnary();
+                return {
+                    type: 'UnaryExpression',
+                    operator: token.value, // 使用原始大小写
+                    operand,
+                    start: token.startIndex,
+                    end: operand.end,
+                    line: token.line,
+                    column: token.column
+                } as UnaryExpressionAst;
+            } else {
+                // 如果不是-not，回退token
+                this.currentIndex--;
+            }
+        }
+
+        // 处理算术一元操作符（+, -）
+        if (this.match(TokenType.ARITHMETIC)) {
+            const token = this.previous();
+            if (token.value === '+' || token.value === '-') {
+                const operand = this.parseUnary();
+                return {
+                    type: 'UnaryExpression',
+                    operator: token.value,
+                    operand,
+                    start: token.startIndex,
+                    end: operand.end,
+                    line: token.line,
+                    column: token.column
+                } as UnaryExpressionAst;
+            } else {
+                // 如果不是一元操作符，回退
+                this.currentIndex--;
+            }
+        }
+
+        return this.parsePrimary();
+    }
+
+    private parsePrimary(): ExpressionAst {
+        // 变量
+        if (this.match(TokenType.VARIABLE)) {
+            const token = this.previous();
+            return ASTNodeFactory.createVariable(
+                token.value,
+                token.startIndex,
+                token.endIndex,
+                token.line,
+                token.column
+            );
+        }
+
+        // 字符串字面量
+        if (this.match(TokenType.STRING, TokenType.HERE_STRING)) {
+            const token = this.previous();
+            return ASTNodeFactory.createLiteral(
+                token.value,
+                'String',
+                token.startIndex,
+                token.endIndex,
+                token.line,
+                token.column
+            );
+        }
+
+        // 数字字面量
+        if (this.match(TokenType.NUMBER)) {
+            const token = this.previous();
+            const value = parseFloat(token.value);
+            return ASTNodeFactory.createLiteral(
+                value,
+                'Number',
+                token.startIndex,
+                token.endIndex,
+                token.line,
+                token.column
+            );
+        }
+
+        // 命令调用 - 扩展支持更多token类型
+        if (this.match(TokenType.CMDLET, TokenType.IDENTIFIER)) {
+            return this.parseCommand();
+        }
+        
+        // 处理看起来像cmdlet但被错误标记的标识符
+        if (this.check(TokenType.IDENTIFIER) && this.current().value.includes('-')) {
+            this.advance();
+            return this.parseCommand();
+        }
+
+        // 哈希表 @{...}
+        if (this.check(TokenType.LEFT_BRACE) && this.current().value === '@{') {
+            return this.parseHashtable();
+        }
+
+        // 脚本块表达式 {...} - 已在parseHashtableValue中处理
+        // 这里不需要处理，因为独立的脚本块很少见
+
+        // 括号表达式
+        if (this.match(TokenType.LEFT_PAREN)) {
+            const expr = this.parseExpression();
+            this.consume(TokenType.RIGHT_PAREN, "Expected ')' after expression");
+            return {
+                type: 'ParenthesizedExpression',
+                expression: expr,
+                start: this.previous().startIndex,
+                end: this.previous().endIndex,
+                line: this.previous().line,
+                column: this.previous().column
+            } as ParenthesizedExpressionAst;
+        }
+
+        // 对于不认识的token，作为普通标识符处理而不是抛出异常
+        const token = this.advance();
+        return ASTNodeFactory.createLiteral(
+            token.value,
+            'String', // 将未识别的token作为字符串处理
+            token.startIndex,
+            token.endIndex,
+            token.line,
+            token.column
+        );
+    }
+
+    private parseCommand(): CommandAst {
+        const start = this.previous().startIndex;
+        const line = this.previous().line;
+        const column = this.previous().column;
+        const commandName = this.previous().value;
+
+        const parameters: ParameterAst[] = [];
+        const args: ExpressionAst[] = [];
+
+        // 解析参数和参数值
+        while (!this.isAtEnd() && 
+               !this.check(TokenType.PIPE) && 
+               !this.check(TokenType.NEWLINE) &&
+               !this.check(TokenType.SEMICOLON) &&
+               !this.check(TokenType.RIGHT_PAREN) &&
+               !this.check(TokenType.RIGHT_BRACE)) {
+            
+            if (this.match(TokenType.PARAMETER)) {
+                const paramToken = this.previous();
+                const param: ParameterAst = {
+                    type: 'Parameter',
+                    name: paramToken.value,
+                    start: paramToken.startIndex,
+                    end: paramToken.endIndex,
+                    line: paramToken.line,
+                    column: paramToken.column
+                };
+
+                // 检查参数是否有值
+                if (!this.check(TokenType.PARAMETER) && 
+                    !this.check(TokenType.PIPE) && 
+                    !this.check(TokenType.NEWLINE) &&
+                    !this.check(TokenType.SEMICOLON)) {
+                    param.value = this.parsePrimary();
+                }
+
+                parameters.push(param);
+            } else {
+                // 位置参数
+                const arg = this.parsePrimary();
+                args.push(arg);
+            }
+        }
+
+        const end = this.previous().endIndex;
+
+        return ASTNodeFactory.createCommand(commandName, parameters, args, start, end, line, column);
+    }
+
+    private parseParameter(): ParameterAst | null {
+        if (this.match(TokenType.PARAMETER)) {
+            const token = this.previous();
+            const param: ParameterAst = {
+                type: 'Parameter',
+                name: token.value,
+                start: token.startIndex,
+                end: token.endIndex,
+                line: token.line,
+                column: token.column
+            };
+
+            // 检查是否有参数值
+            if (this.match(TokenType.ASSIGNMENT)) {
+                param.value = this.parseExpression();
+            }
+
+            return param;
+        }
+        return null;
+    }
+
+    private parseScriptBlock(): ScriptBlockAst {
+        const start = this.current().startIndex;
+        const line = this.current().line;
+        const column = this.current().column;
+
+        this.consume(TokenType.LEFT_BRACE, "Expected '{'");
+        
+        const statements: StatementAst[] = [];
+        
+        while (!this.check(TokenType.RIGHT_BRACE) && !this.isAtEnd()) {
+            this.skipWhitespaceAndNewlines();
+            
+            if (this.check(TokenType.RIGHT_BRACE)) {
+                break;
+            }
+
+            const statement = this.parseStatement();
+            if (statement) {
+                statements.push(statement);
+            }
+        }
+
+        this.consume(TokenType.RIGHT_BRACE, "Expected '}'");
+        
+        const end = this.previous().endIndex;
+
+        return ASTNodeFactory.createScriptBlock(statements, start, end, line, column);
+    }
+
+    private parseExpression(): ExpressionAst {
+        return this.parseAssignment();
+    }
+
+    private parseComment(): CommentAst {
+        const token = this.previous();
+        const isMultiline = token.type === TokenType.MULTILINE_COMMENT;
+        
+        return ASTNodeFactory.createComment(
+            token.value,
+            isMultiline,
+            token.startIndex,
+            token.endIndex,
+            token.line,
+            token.column
+        );
+    }
+
+    // 辅助方法
+    private match(...types: TokenType[]): boolean {
+        for (const type of types) {
+            if (this.check(type)) {
+                this.advance();
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private check(type: TokenType): boolean {
+        if (this.isAtEnd()) return false;
+        return this.current().type === type;
+    }
+
+    private advance(): Token {
+        if (!this.isAtEnd()) this.currentIndex++;
+        return this.previous();
+    }
+
+    private isAtEnd(): boolean {
+        return this.currentIndex >= this.tokens.length || this.current().type === TokenType.EOF;
+    }
+
+    private current(): Token {
+        if (this.currentIndex >= this.tokens.length) {
+            return this.tokens[this.tokens.length - 1];
+        }
+        return this.tokens[this.currentIndex];
+    }
+
+    private previous(): Token {
+        return this.tokens[this.currentIndex - 1];
+    }
+
+    private consume(type: TokenType, message: string): Token {
+        if (this.check(type)) return this.advance();
+        
+        const current = this.current();
+        throw new Error(`${message}. Got ${current.type}(${current.value}) at line ${current.line}, column ${current.column}`);
+    }
+
+
+    private parseHashtable(): ExpressionAst {
+        const start = this.current().startIndex;
+        const line = this.current().line;
+        const column = this.current().column;
+
+        // 消费 @{
+        this.advance();
+
+        const entries: any[] = [];
+
+        // 解析哈希表内容
+        if (!this.check(TokenType.RIGHT_BRACE)) {
+            do {
+                // 解析键 - 只接受简单的标识符或字符串
+                const key = this.parseHashtableKey();
+                
+                // 消费 =
+                this.consume(TokenType.ASSIGNMENT, "Expected '=' after hashtable key");
+                
+                // 解析值
+                const value = this.parseHashtableValue();
+                
+                entries.push({
+                    type: 'HashtableEntry',
+                    key,
+                    value,
+                    start: key.start,
+                    end: value.end,
+                    line: key.line,
+                    column: key.column
+                });
+
+            } while (this.match(TokenType.SEMICOLON));
+        }
+
+        this.consume(TokenType.RIGHT_BRACE, "Expected '}' after hashtable entries");
+        const end = this.previous().endIndex;
+
+        return {
+            type: 'Hashtable',
+            entries,
+            start,
+            end,
+            line,
+            column
+        } as any;
+    }
+
+    private parseHashtableKey(): ExpressionAst {
+        // 哈希表键只能是简单的标识符或字符串
+        if (this.match(TokenType.STRING, TokenType.HERE_STRING)) {
+            const token = this.previous();
+            return ASTNodeFactory.createLiteral(
+                token.value,
+                'String',
+                token.startIndex,
+                token.endIndex,
+                token.line,
+                token.column
+            );
+        }
+
+        // 接受各种可能的标识符类型作为哈希表键
+        if (this.match(TokenType.IDENTIFIER, TokenType.CMDLET, TokenType.KEYWORD)) {
+            const token = this.previous();
+            return ASTNodeFactory.createLiteral(
+                token.value,
+                'String',
+                token.startIndex,
+                token.endIndex,
+                token.line,
+                token.column
+            );
+        }
+
+        // 对于任何其他类型的token，尝试作为字面量处理
+        const currentToken = this.current();
+        this.advance();
+        return ASTNodeFactory.createLiteral(
+            currentToken.value,
+            'String',
+            currentToken.startIndex,
+            currentToken.endIndex,
+            currentToken.line,
+            currentToken.column
+        );
+    }
+
+    private parseHashtableValue(): ExpressionAst {
+        // 哈希表值可以是任何表达式
+        if (this.check(TokenType.LEFT_BRACE)) {
+            // 这是一个脚本块 {expression} - 完全绕过复杂解析
+            const start = this.current().startIndex;
+            const line = this.current().line;
+            const column = this.current().column;
+            
+            // 直接从原始代码中提取脚本块内容
+            const startPos = this.current().startIndex;
+            this.advance(); // 消费 {
+            
+            let braceLevel = 1;
+            let endPos = this.current().startIndex;
+            
+            // 找到匹配的右大括号位置
+            while (!this.isAtEnd() && braceLevel > 0) {
+                const token = this.current();
+                if (token.type === TokenType.LEFT_BRACE) {
+                    braceLevel++;
+                } else if (token.type === TokenType.RIGHT_BRACE) {
+                    braceLevel--;
+                    if (braceLevel === 0) {
+                        endPos = token.startIndex;
+                        break;
+                    }
+                }
+                this.advance();
+            }
+
+            this.consume(TokenType.RIGHT_BRACE, "Expected '}' after script block");
+            const end = this.previous().endIndex;
+            
+            // 从原始代码中提取内容（从 { 后到 } 前）
+            const rawContent = this.getOriginalCodeSlice(startPos + 1, endPos);
+            
+            return {
+                type: 'ScriptBlockExpression',
+                rawContent: rawContent.trim(), // 去掉首尾空白
+                start,
+                end,
+                line,
+                column
+            } as any;
+        }
+        
+        // 对于其他值，使用简单的解析
+        return this.parsePrimary();
+    }
+
+    private getOriginalCodeSlice(start: number, end: number): string {
+        // 直接从原始代码中提取片段
+        if (this.originalCode) {
+            return this.originalCode.substring(start, end);
+        }
+        
+        // 回退到基于token重建（如果没有原始代码）
+        let result = '';
+        for (const token of this.tokens) {
+            if (token.startIndex >= start && token.endIndex <= end) {
+                result += token.value;
+            }
+        }
+        return result;
+    }
+
+    private skipWhitespaceAndNewlines(): void {
+        while (this.match(TokenType.WHITESPACE, TokenType.NEWLINE)) {
+            // 继续跳过
+        }
+    }
+}

frontend/src/common/prettier/plugins/rust/format/comments.ts

@@ -0,0 +1,824 @@
+import { CommentOrDocComment, LocArray, Node, NodeType, NodeWithBodyOrCases } from "jinx-rust";
+import {
+	end,
+	getBodyOrCases,
+	getLastParameter,
+	hasOuterAttributes,
+	isInner,
+	is_Attribute,
+	is_AttributeOrDocComment,
+	is_BlockCommentKind,
+	is_BlockCommentNode,
+	is_Comment,
+	is_CommentOrDocComment,
+	is_ExpressionWithBodyOrCases,
+	is_ExternSpecifier,
+	is_FlowControlExpression,
+	is_FunctionDeclaration,
+	is_FunctionNode,
+	is_IfBlockExpression,
+	is_LineCommentKind,
+	is_LineCommentNode,
+	is_LocArray,
+	is_MacroRule,
+	is_NodeWithBodyOrCases,
+	is_ReassignmentNode,
+	is_StatementNode,
+	is_StructLiteralProperty,
+	is_StructLiteralPropertySpread,
+	nisAnyOf,
+	ownStart,
+	start,
+} from "jinx-rust/utils";
+import { is_CallExpression_or_CallLikeMacroInvocation } from "../transform";
+import { Narrow, assert, exit, iLast, last_of, maybe_last_of } from "../utils/common";
+import { is_MemberAccessLike, is_xVariableEqualishLike } from "./core";
+import {
+	AnyComment,
+	CustomOptions,
+	DCM,
+	Doc,
+	MutatedAttribute,
+	NodeWithComments,
+	PrettierCommentInfo,
+	breakParent,
+	cursor,
+	hardline,
+	indent,
+	join,
+	line,
+	lineSuffix,
+	literalline,
+} from "./external";
+import { assertPathAtNode, canAttachComment, getAllComments, getContext, getNode, getOptions, pathCallEach } from "./plugin";
+import { shouldPrintOuterAttributesAbove } from "./styling";
+
+function addCommentHelper(node: Node, comment: AnyComment, leading = false, trailing = false) {
+	__DEV__: assert(!handled(comment));
+	((node as NodeWithComments<Node>).comments ??= []).push(comment);
+	(comment.leading = leading), (comment.trailing = trailing), (comment.printed = false);
+}
+
+function addLeadingComment(node: Node, comment: AnyComment) {
+	addCommentHelper(node, comment, true);
+}
+function addDanglingComment(node: Node, comment: AnyComment, marker: DCM) {
+	addCommentHelper(node, comment);
+	comment.marker = marker;
+}
+function addTrailingComment(node: Node, comment: AnyComment) {
+	addCommentHelper(node, comment, false, true);
+}
+export function setPrettierIgnoreTarget(node: Node, comment: AnyComment) {
+	__DEV__: Narrow<Node & { prettierIgnore?: true }>(node), assert(isPrettierIgnoreComment(comment) || isPrettierIgnoreAttribute(comment));
+	comment.unignore = true;
+	node.prettierIgnore = true;
+}
+
+function hasComments<T extends Node>(node: T): node is NodeWithComments<T> {
+	return "comments" in node && node.comments.length > 0;
+}
+
+export function printDanglingComments(enclosingNode: Node, sameIndent: boolean, marker?: DCM) {
+	if (hasComments(enclosingNode)) {
+		const printed: Doc[] = [];
+		pathCallEach(enclosingNode, "comments", (comment) => {
+			if (isDangling(comment) && (!marker || comment.marker === marker)) {
+				printed.push(printComment(comment));
+			}
+		});
+		if (printed.length > 0) {
+			return sameIndent //
+				? join(hardline, printed)
+				: indent([hardline, join(hardline, printed)]);
+		}
+	}
+	return "";
+}
+
+export function needsHardlineAfterDanglingComment(node: Node) {
+	if (!hasComment(node)) return false;
+	const lastDanglingComment = maybe_last_of(getComments(node, CF.Dangling));
+	return lastDanglingComment && is_LineCommentNode(lastDanglingComment);
+}
+export function setDidPrintComment(comment: AnyComment) {
+	comment.printed = true;
+}
+
+function printComment(comment: AnyComment) {
+	__DEV__: assertPathAtNode("printComment", comment);
+	__DEV__: assert(handled(comment), `Assertion failed: Comment was not printed at ${comment.loc.url()}`, comment);
+	setDidPrintComment(comment);
+	return getContext().options.printer.printComment!(getContext().path as any, getOptions());
+}
+
+export function isPreviousLineEmpty(node: Node) {
+	let index = start(node) - 1;
+	index = skipSpaces(index, true) as number;
+	index = skipNewline(index, true) as number;
+	index = skipSpaces(index, true) as number;
+	return index !== skipNewline(index, true);
+}
+export function hasBreaklineBefore(node: Node) {
+	return hasNewline(start(node) - 1, true);
+}
+
+export function hasBreaklineAfter(node: Node) {
+	return hasNewline(end(node));
+}
+
+export function printCommentsSeparately(ignored?: Set<AnyComment>) {
+	const node = getNode();
+	__DEV__: Narrow<Node & { comments?: AnyComment[] }>(node);
+
+	const leading: Doc[] = [];
+	const trailing: Doc[] = [];
+	let hasTrailingLineComment = false;
+	let hadLeadingBlockComment = false;
+
+	if ("comments" in node) {
+		pathCallEach(node, "comments", (comment) => {
+			if (ignored?.has(comment)) {
+				return;
+			} else if (isLeading(comment)) {
+				leading.push(printLeadingComment(comment));
+			} else if (isTrailing(comment)) {
+				trailing.push(printTrailingComment(comment));
+			}
+		});
+	}
+
+	if (node === getOptions().cursorNode) {
+		leading.unshift(cursor);
+		trailing.push(cursor);
+	}
+
+	return (leading.length | trailing.length) > 0 ? { leading, trailing } : ({ leading: "", trailing: "" } as const);
+
+	function printLeadingComment(comment: AnyComment) {
+		if (is_Attribute(comment) && !comment.inner) {
+			const printed = printComment(comment);
+			return [printed, " "];
+		}
+		hadLeadingBlockComment ||= is_BlockCommentKind(comment) && hasBreaklineBefore(comment);
+		return [
+			printComment(comment),
+			is_BlockCommentKind(comment)
+				? hasBreaklineAfter(comment) //
+					? hadLeadingBlockComment
+						? hardline
+						: line
+					: " "
+				: hardline,
+			hasNewline(skipNewline(skipSpaces(end(comment)))) ? hardline : "",
+		];
+	}
+
+	function printTrailingComment(comment: AnyComment) {
+		const printed = printComment(comment);
+		return hasBreaklineBefore(comment)
+			? lineSuffix([hardline, isPreviousLineEmpty(comment) ? hardline : "", printed])
+			: is_BlockCommentNode(comment)
+			? [" ", printed]
+			: lineSuffix([" ", printed, hasTrailingLineComment === (hasTrailingLineComment = true) ? hardline : breakParent]);
+	}
+}
+
+export function getPostLeadingComment(comment: AnyComment) {
+	// console.log(comment.loc.url());
+	// is_BlockCommentKind(comment)
+	// 	? hasBreaklineAfter(comment) //
+	// 		? hasBreaklineBefore(comment)
+	// 			? hardline
+	// 			: line
+	// 		: " "
+	// 	: hardline,
+	return hasNewline(skipNewline(skipSpaces(end(comment)))) ? hardline : "";
+}
+
+export function withComments<D extends Doc>(node: Node, printed: D, ignored?: Set<AnyComment>): D | Doc[] {
+	__DEV__: assertPathAtNode("withComments", node);
+	const { leading, trailing } = printCommentsSeparately(ignored);
+	return leading || trailing ? [...leading!, printed, ...trailing!] : printed;
+	// return needsOuterParens(node) ? group(["(", indent([softline, parts]), softline, ")"]) : parts;
+	// return parts;
+}
+export function getComments(node: Node, ...args: Parameters<typeof getCommentTestFunction>): AnyComment[] {
+	__DEV__: Narrow<Node & { comments?: AnyComment[] }>(node);
+	// if (!node || !node.comments) return [];
+	// if (args.length === 0) return node.comments;
+	// return args.length > 0 ? node.comments.filter(getCommentTestFunction(...args)) : node.comments;
+	return node && node.comments //
+		? args.length > 0
+			? node.comments.filter(getCommentTestFunction(...args))
+			: node.comments
+		: [];
+}
+
+export function getFirstComment(node: Node, flags: CF, fn?: (comment: AnyComment) => boolean): AnyComment | undefined {
+	const r = getComments(node, flags | CF.First, fn);
+	return r.length === 0 ? undefined : r[0];
+}
+
+export function escapeComments(flags: number, fn?: (comment: AnyComment) => boolean) {
+	const comments = getAllComments().filter(getCommentTestFunction(flags, fn)) as AnyComment[];
+	comments.forEach(setDidPrintComment);
+	return new Set(comments);
+}
+
+export const enum CF {
+	Leading = 1 << 1,
+	Trailing = 1 << 2,
+	Dangling = 1 << 3,
+	Block = 1 << 4,
+	Line = 1 << 5,
+	PrettierIgnore = 1 << 6,
+	First = 1 << 7,
+	Last = 1 << 8,
+}
+export function isPrettierIgnoreComment(comment: AnyComment) {
+	return is_Comment(comment) && /^\s*prettier-ignore\s*/.test(comment.value) && !comment.unignore;
+}
+export function isPrettierIgnoreAttribute(node: Node): node is MutatedAttribute {
+	return is_Attribute(node) && /^\s*rustfmt::skip\s*$/.test(node.value);
+}
+function getCommentTestFunction(flags: CF, fn?: (comment: AnyComment) => boolean) {
+	return function (comment: AnyComment, index: number, comments: AnyComment[]) {
+		__DEV__: Narrow<number>(flags), assert(handled(comment));
+		return !(
+			(flags & CF.Leading && !isLeading(comment)) ||
+			(flags & CF.Trailing && !isTrailing(comment)) ||
+			(flags & CF.Dangling && !isDangling(comment)) ||
+			(flags & CF.Block && !is_BlockCommentKind(comment)) ||
+			(flags & CF.Line && !is_LineCommentKind(comment)) ||
+			(flags & CF.First && index !== 0) ||
+			(flags & CF.Last && !iLast(index, comments)) ||
+			(flags & CF.PrettierIgnore && !(isPrettierIgnoreComment(comment) || isPrettierIgnoreAttribute(comment))) ||
+			(fn && !fn(comment))
+		);
+	};
+}
+
+export function hasComment(node: Node, flags: number = 0, fn?: (comment: AnyComment) => boolean) {
+	if ("comments" in node && node.comments!.length > 0) {
+		return flags || fn ? (node.comments as AnyComment[]).some(getCommentTestFunction(flags, fn)) : true;
+	}
+	return false;
+}
+export function hasNewlineInRange(leftIndex: number, rightIndex: number) {
+	__DEV__: assert(leftIndex <= rightIndex);
+	const text = getContext().options.originalText;
+	for (var i = leftIndex; i < rightIndex; ++i) if (text.charCodeAt(i) === 10) return true;
+	return false;
+}
+export function isNextLineEmpty(node: Node) {
+	return isNextLineEmptyAfterIndex(end(node));
+}
+export function isNextLineEmptyAfterIndex(index: number | false) {
+	let oldIdx: number | false = -1;
+	let idx: number | false = index;
+	while (idx !== oldIdx) {
+		oldIdx = idx;
+		idx = skipToLineEnd(idx);
+		idx = skipBlockComment(idx);
+		idx = skipSpaces(idx);
+		idx = skipParens(idx);
+	}
+	idx = skipLineComment(idx);
+	idx = skipParens(idx);
+	idx = skipNewline(idx);
+	idx = skipParens(idx);
+	return idx !== false && hasNewline(idx);
+}
+export function hasNewline(index: number | false, backwards = false) {
+	if (index === false) return false;
+	const i = skipSpaces(index, backwards);
+	return i !== false && i !== skipNewline(i, backwards);
+}
+function skipLineComment(index: number | false) {
+	if (index === false) return false;
+	const { commentSpans, originalText } = getContext().options;
+	if (commentSpans.has(index) && originalText.charCodeAt(index + 1) === 47 /** "/" */)
+		return skipEverythingButNewLine(commentSpans.get(index)!);
+	return index;
+}
+function skipBlockComment(index: number | false) {
+	if (index === false) return false;
+	const { commentSpans, originalText } = getContext().options;
+	if (commentSpans.has(index) && originalText.charCodeAt(index + 1) === 42 /** "*" */) return commentSpans.get(index)!;
+	return index;
+}
+const [skipSpaces, skipToLineEnd, skipEverythingButNewLine] = [/[ \t]/, /[,; \t]/, /[^\r\n]/].map(function (re) {
+	return function (index: number | false, backwards = false) {
+		if (index === false) return false;
+		const { originalText: text } = getContext().options;
+		let cursor = index;
+		while (cursor >= 0 && cursor < text.length) {
+			if (re.test(text.charAt(cursor))) backwards ? cursor-- : cursor++;
+			else return cursor;
+		}
+		return cursor === -1 || cursor === text.length ? cursor : false;
+	};
+});
+
+function skipNewline(index: number | false, backwards = false) {
+	if (index === false) return false;
+	const { originalText } = getContext().options;
+	const atIndex = originalText.charCodeAt(index);
+	if (backwards) {
+		if (originalText.charCodeAt(index - 1) === 13 && atIndex === 10) return index - 2;
+		if (atIndex === 10) return index - 1;
+	} else {
+		if (atIndex === 13 && originalText.charCodeAt(index + 1) === 10) return index + 2;
+		if (atIndex === 10) return index + 1;
+	}
+	return index;
+}
+
+function skipParens(index: number | false, backwards = false) {
+	return index;
+	// if (index === false) return false;
+	// const { parensPositions } = getContext().options;
+	// while (parensPositions.has(index)) backwards ? index-- : index++;
+	// return index;
+}
+
+export function getNextNonSpaceNonCommentCharacterIndex(node: Node) {
+	return getNextNonSpaceNonCommentCharacterIndexWithStartIndex(end(node));
+}
+function getNextNonSpaceNonCommentCharacterIndexWithStartIndex(i: number) {
+	let oldIdx = -1;
+	let nextIdx = i;
+	while (nextIdx !== oldIdx) {
+		oldIdx = nextIdx;
+		nextIdx = skipSpaces(nextIdx) as number;
+		nextIdx = skipBlockComment(nextIdx) as number;
+		nextIdx = skipLineComment(nextIdx) as number;
+		nextIdx = skipNewline(nextIdx) as number;
+		nextIdx = skipParens(nextIdx) as number;
+	}
+	return nextIdx;
+}
+export function getNextNonSpaceNonCommentCharacter(node: Node) {
+	return getContext().options.originalText.charAt(getNextNonSpaceNonCommentCharacterIndex(node));
+}
+
+interface CommentContext {
+	comment: AnyComment;
+	precedingNode: Node | undefined;
+	enclosingNode: Node | undefined;
+	followingNode: Node | undefined;
+	text: string;
+	options: CustomOptions;
+	ast: Node;
+	isLastComment: boolean;
+}
+
+function handled(comment: AnyComment) {
+	return "printed" in comment;
+}
+function handleCommon(ctx: CommentContext): boolean {
+	{
+		const { comment, precedingNode, enclosingNode, followingNode } = ctx;
+		if (!enclosingNode) {
+			ctx.enclosingNode = ctx.comment.loc.src.program;
+		} else if (enclosingNode && is_NodeWithBodyOrCases(enclosingNode)) {
+			const body = getBodyOrCases(enclosingNode);
+			if (body) {
+				if (is_ExpressionWithBodyOrCases(enclosingNode) && enclosingNode.label) {
+					if (ctx.precedingNode === enclosingNode.label) {
+						ctx.precedingNode = undefined;
+					}
+					if (followingNode === enclosingNode.label) {
+						ctx.followingNode = undefined;
+					}
+				}
+				if (comment.loc.isBefore(body)) {
+					if (followingNode && body.loc.contains(followingNode)) {
+						ctx.followingNode = undefined;
+					}
+					if (!ctx.precedingNode && !ctx.followingNode) {
+						addLeadingComment(enclosingNode, comment);
+						return true;
+					}
+				} else if (comment.loc.isAfter(body)) {
+					if (precedingNode && body.loc.contains(precedingNode)) {
+						ctx.precedingNode = undefined;
+					}
+					if (!ctx.precedingNode && !ctx.followingNode) {
+						addTrailingComment(enclosingNode, comment);
+						return true;
+					}
+				} else if (body.loc.contains(comment)) {
+					if (precedingNode && !body.loc.contains(precedingNode)) {
+						ctx.precedingNode = undefined;
+					}
+					if (followingNode && !body.loc.contains(followingNode)) {
+						ctx.followingNode = undefined;
+					}
+				}
+			}
+		}
+	}
+	for (const fn of [
+		handleMixedInOuterAttributeComments,
+		handleAttributeComments,
+		handleDanglingComments,
+		handleFunctionComments,
+		handleMacroRuleComments,
+		handleStructLiteralComments,
+		handleVariableDeclaratorComments,
+		handleIfBlockExpressionComments,
+		handleMemberExpressionComments,
+		handleStatementComments,
+		handleFlowControlComments,
+		handleBadComments,
+	]) {
+		fn(ctx);
+		if (handled(ctx.comment)) {
+			// console.log(ctx.comment.loc.url(), fn.name);
+			return true;
+		}
+	}
+
+	const { precedingNode, followingNode, comment } = ctx;
+
+	if (isStartOfLine(comment)) {
+		if (followingNode) {
+			addLeadingComment(followingNode, comment);
+		} else if (precedingNode) {
+			addTrailingComment(precedingNode, comment);
+		} else {
+			exit.never(ctx);
+		}
+	} else if (isEndOfLine(comment)) {
+		if (precedingNode) {
+			addTrailingComment(precedingNode, comment);
+		} else if (followingNode) {
+			addLeadingComment(followingNode, comment);
+		} else {
+			exit.never(ctx);
+		}
+	} else {
+		if (precedingNode && followingNode) {
+			return false;
+		} else if (precedingNode) {
+			addTrailingComment(precedingNode, comment);
+		} else if (followingNode) {
+			addLeadingComment(followingNode, comment);
+		} else {
+			exit.never(ctx);
+		}
+	}
+	return handled(ctx.comment);
+}
+export function handleOwnLineComment(ctx: CommentContext) {
+	return handleCommon(ctx);
+}
+export function handleEndOfLineComment(ctx: CommentContext) {
+	const { precedingNode, enclosingNode, comment } = ctx;
+	if (
+		// handleCallExpressionComments
+		precedingNode &&
+		enclosingNode &&
+		is_CallExpression_or_CallLikeMacroInvocation(enclosingNode) &&
+		enclosingNode.arguments.length > 0 &&
+		precedingNode === (enclosingNode.typeArguments ? last_of(enclosingNode.typeArguments) : enclosingNode.callee)
+	) {
+		addLeadingComment(enclosingNode.arguments[0], comment);
+		return true;
+	} else if (
+		// handlePropertyComments
+		enclosingNode &&
+		is_StructLiteralProperty(enclosingNode)
+	) {
+		addLeadingComment(enclosingNode, comment);
+		return true;
+	} else {
+		return handleCommon(ctx);
+	}
+}
+
+export function handleRemainingComment(ctx: CommentContext) {
+	return handleCommon(ctx);
+}
+
+function handleStructLiteralComments({ enclosingNode, followingNode, comment }: CommentContext) {
+	if (enclosingNode && is_StructLiteralPropertySpread(enclosingNode) && followingNode === enclosingNode.expression) {
+		addLeadingComment(enclosingNode, comment);
+	}
+}
+
+function handleVariableDeclaratorComments({ enclosingNode, followingNode, comment }: CommentContext) {
+	if (
+		enclosingNode &&
+		(is_xVariableEqualishLike(enclosingNode) || is_ReassignmentNode(enclosingNode)) &&
+		followingNode &&
+		(is_BlockCommentKind(comment) ||
+			nisAnyOf(followingNode, [
+				NodeType.StructLiteral,
+				NodeType.StructPattern,
+				NodeType.TupleLiteral,
+				NodeType.TypeTuple,
+				NodeType.TuplePattern,
+				NodeType.ArrayLiteral,
+				NodeType.ArrayPattern,
+				NodeType.SizedArrayLiteral,
+				NodeType.TypeSizedArray,
+			]))
+	) {
+		addLeadingComment(followingNode, comment);
+	}
+}
+
+function handleMixedInOuterAttributeComments({ precedingNode, enclosingNode, followingNode, comment }: CommentContext) {
+	if (enclosingNode && hasOuterAttributes(enclosingNode) && end(comment) <= ownStart(enclosingNode)) {
+		if (isPrettierIgnoreComment(comment) || isPrettierIgnoreAttribute(comment)) {
+			setPrettierIgnoreTarget(enclosingNode, comment);
+		}
+		if (isEndOfLine(comment)) {
+			__DEV__: assert(!!precedingNode && is_Attribute(precedingNode), "", precedingNode);
+			if (shouldPrintOuterAttributesAbove(enclosingNode)) {
+				// #[attr] // comment
+				// node
+				addTrailingComment(precedingNode, comment);
+			} else {
+				// #[attr] /* comment */ node
+				addLeadingComment(followingNode || enclosingNode, comment);
+			}
+		} else {
+			// __DEV__: assert(isStartOfLine(comment));
+			if (followingNode && end(followingNode) <= ownStart(enclosingNode)) {
+				addLeadingComment(followingNode, comment);
+			} else if (precedingNode && enclosingNode.loc.contains(precedingNode)) {
+				addTrailingComment(precedingNode, comment);
+			} else {
+				addLeadingComment(enclosingNode, comment);
+			}
+		}
+	}
+}
+function handleAttributeComments({ precedingNode, enclosingNode, followingNode, comment, ast }: CommentContext) {
+	if (is_AttributeOrDocComment(comment)) {
+		if (
+			comment.inner &&
+			enclosingNode &&
+			is_FunctionDeclaration(enclosingNode) &&
+			(!followingNode || !is_StatementNode(followingNode)) &&
+			(!precedingNode || !is_StatementNode(precedingNode))
+		) {
+			if (enclosingNode.body) {
+				if (canAttachCommentInLocArray(enclosingNode.body)) {
+					addDanglingComment(enclosingNode, comment, DCM["body"]);
+				} else {
+					addLeadingComment(enclosingNode.body[0], comment);
+				}
+			} else {
+				addLeadingComment(enclosingNode, comment);
+			}
+		} else {
+			// if (comment.loc.url().startsWith("tests/samples/macro/attr.rs") && getContext().options.danglingAttributes.includes(comment)) {
+			// 	// debugger;
+			// 	console.log({
+			// 		comment: comment.loc.url(),
+			// 		precedingNode: precedingNode?.loc.url(),
+			// 		enclosingNode: enclosingNode?.loc.url(),
+			// 		followingNode: followingNode?.loc.url(),
+			// 	});
+			// }
+			if (followingNode) {
+				addLeadingComment(followingNode, comment);
+			} else if (enclosingNode) {
+				for (var key in DCM)
+					if (key in enclosingNode) {
+						addDanglingComment(enclosingNode, comment, key as DCM);
+						return;
+					}
+			} else {
+				addDanglingComment(ast, comment, DCM["body"]);
+			}
+		}
+	}
+}
+
+function handleBadComments({ precedingNode, enclosingNode, followingNode, ast, comment }: CommentContext) {
+	if (!enclosingNode) {
+		// console.log(comment.loc.url());
+		if (followingNode) {
+			addLeadingComment(followingNode, comment);
+		} else if (precedingNode) {
+			addTrailingComment(precedingNode, comment);
+		} else {
+			addDanglingComment(enclosingNode || ast, comment, DCM["body"]);
+		}
+	} else if (!precedingNode && !followingNode) {
+		if (enclosingNode && enclosingNode !== ast) {
+			addLeadingComment(enclosingNode, comment);
+		} else {
+			addDanglingComment(ast, comment, DCM["body"]);
+		}
+	}
+}
+function is_ABI_Comment({ precedingNode, enclosingNode, comment }: CommentContext) {
+	return (
+		is_CommentOrDocComment(comment) &&
+		((precedingNode && is_ExternSpecifier(precedingNode)) || (enclosingNode && is_ExternSpecifier(enclosingNode)))
+	);
+}
+function handleFlowControlComments({ precedingNode, enclosingNode, followingNode, comment }: CommentContext) {
+	if (enclosingNode && is_FlowControlExpression(enclosingNode)) {
+		if (!precedingNode && (isOwnLine(comment) || isEndOfLine(comment)) && !followingNode) {
+			addLeadingComment(enclosingNode, comment);
+		}
+	}
+}
+function handleFunctionComments(ctx: CommentContext) {
+	const { precedingNode, enclosingNode, followingNode, comment } = ctx;
+	if (enclosingNode && is_FunctionNode(enclosingNode)) {
+		if (
+			is_FunctionDeclaration(enclosingNode) &&
+			((!is_ABI_Comment(ctx) && comment.loc.isBefore(enclosingNode.generics || enclosingNode.id)) ||
+				(enclosingNode.generics && comment.loc.isBetween(enclosingNode.generics, enclosingNode.parameters)))
+		) {
+			addLeadingComment(enclosingNode, comment);
+		} else if (
+			!enclosingNode.returnType &&
+			comment.loc.isBetween(
+				enclosingNode.parameters,
+				is_FunctionDeclaration(enclosingNode) ? enclosingNode.body! : enclosingNode.expression
+			)
+		) {
+			if (is_FunctionDeclaration(enclosingNode)) {
+				addCommentToBlock(enclosingNode, comment);
+			} else {
+				addLeadingComment(enclosingNode.expression, comment);
+			}
+		} else if (
+			precedingNode && //
+			enclosingNode.parameters.loc.contains(comment)
+		) {
+			if (precedingNode === getLastParameter(enclosingNode)) {
+				addTrailingComment(precedingNode, comment);
+			}
+		} else if (
+			followingNode &&
+			isStartOfLine(comment) &&
+			comment.loc.isAfter(enclosingNode.parameters) &&
+			(!is_FunctionDeclaration(enclosingNode) || !enclosingNode.whereBounds || comment.loc.isAfter(enclosingNode.whereBounds!)) &&
+			(!enclosingNode.returnType || comment.loc.isAfter(enclosingNode.returnType)) &&
+			followingNode === (is_FunctionDeclaration(enclosingNode) ? enclosingNode.body?.[0] : enclosingNode.expression)
+		) {
+			addLeadingComment(followingNode, comment);
+		}
+	}
+}
+function handleMacroRuleComments(ctx: CommentContext) {
+	const { precedingNode, enclosingNode, followingNode, comment } = ctx;
+	if (enclosingNode && is_MacroRule(enclosingNode)) {
+		if (enclosingNode.transform.loc.contains(comment)) {
+			__DEV__: assert(enclosingNode.transform.length > 0);
+			if (!precedingNode || !enclosingNode.transform.loc.contains(precedingNode)) {
+				__DEV__: assert(!!followingNode && enclosingNode.transform.loc.contains(followingNode));
+				addLeadingComment(followingNode, comment);
+			}
+		} else if (enclosingNode.match.loc.contains(comment)) {
+			__DEV__: assert(enclosingNode.match.length > 0);
+			if (!followingNode || !enclosingNode.match.loc.contains(followingNode)) {
+				__DEV__: assert(!!precedingNode && enclosingNode.match.loc.contains(precedingNode));
+				addTrailingComment(precedingNode!, comment);
+			}
+		}
+	}
+}
+
+function handleStatementComments(ctx: CommentContext) {
+	const { precedingNode, comment } = ctx;
+	if (isEndOfLine(comment) && precedingNode && (is_StatementNode(precedingNode) || precedingNode.loc.sliceText().endsWith(";"))) {
+		addTrailingComment(precedingNode, comment);
+	}
+}
+
+function addCommentToBlock(block: NodeWithBodyOrCases, comment: AnyComment) {
+	const body = getBodyOrCases(block);
+	__DEV__: assert(!!body);
+	if (body.length > 0) {
+		addLeadingComment(body![0], comment);
+	} else {
+		addDanglingComment(block, comment, DCM["body"]);
+	}
+}
+
+function handleIfBlockExpressionComments(ctx: CommentContext) {
+	const { comment, enclosingNode } = ctx;
+	if (enclosingNode && is_IfBlockExpression(enclosingNode)) {
+		const { condition, body, else: else_ } = enclosingNode;
+		if (comment.loc.isBefore(condition)) {
+			addLeadingComment(condition, comment);
+		} else if (comment.loc.isBetween(condition, body)) {
+			addTrailingComment(condition, comment);
+		} else if (else_ && comment.loc.isBetween(body, else_)) {
+			if (is_IfBlockExpression(else_)) {
+				addLeadingComment(else_.condition, comment);
+			} else {
+				addCommentToBlock(else_, comment);
+			}
+		}
+	}
+}
+
+function handleMemberExpressionComments({ comment, precedingNode, enclosingNode }: CommentContext) {
+	if (enclosingNode && is_MemberAccessLike(enclosingNode)) {
+		if (isStartOfLine(comment) || !precedingNode) addLeadingComment(enclosingNode, comment);
+		else addTrailingComment(precedingNode, comment);
+		return true;
+	}
+
+	return false;
+}
+
+function handleDanglingComments({ comment, enclosingNode }: CommentContext) {
+	if (enclosingNode) {
+		for (var key in DCM) {
+			if (key in enclosingNode) {
+				var arr: LocArray = enclosingNode[key];
+				if (is_LocArray(arr) && canAttachCommentInLocArray(arr) && arr.loc.contains(comment)) {
+					addDanglingComment(enclosingNode, comment, key as DCM);
+					return;
+				}
+			}
+		}
+	}
+}
+
+function canAttachCommentInLocArray(arr: LocArray) {
+	return arr.length === 0 || arr.every((node) => !canAttachComment(node));
+}
+
+function isOwnLine(comment: AnyComment) {
+	return isStartOfLine(comment) && hasBreaklineAfter(comment);
+}
+function isStartOfLine(comment: AnyComment) {
+	return comment.placement === "ownLine";
+}
+function isEndOfLine(comment: AnyComment) {
+	return comment.placement === "endOfLine";
+}
+export function isDangling(comment: AnyComment) {
+	__DEV__: assert(handled(comment));
+	return !comment.leading && !comment.trailing;
+}
+export function isLeading(comment: AnyComment) {
+	__DEV__: assert(handled(comment));
+	return comment.leading && !comment.trailing;
+}
+export function isTrailing(comment: AnyComment) {
+	__DEV__: assert(handled(comment));
+	return !comment.leading && comment.trailing;
+}
+
+export function print_comment(comment: CommentOrDocComment) {
+	__DEV__: Narrow<PrettierCommentInfo>(comment);
+
+	const doc = is_BlockCommentNode(comment)
+		? isIndentableBlockComment(comment.value)
+			? [
+					(!handled(comment) || isTrailing(comment)) && !hasBreaklineBefore(comment) ? hardline : "",
+					getCommentStart(comment),
+					...comment.value.split(/\n/g).map((line, i, a) =>
+						i === 0 //
+							? [line.trimEnd(), hardline]
+							: !iLast(i, a)
+							? [" " + line.trim(), hardline]
+							: " " + line.trimStart()
+					),
+					"*/",
+			  ]
+			: [
+					getCommentStart(comment), //
+					join(literalline, comment.value.split(/\n/g)),
+					"*/",
+			  ]
+		: [getCommentStart(comment), comment.value.trimEnd()];
+
+	return handled(comment) && isDangling(comment) //
+		? [doc, getPostLeadingComment(comment)]
+		: doc;
+
+	function getCommentStart(comment: CommentOrDocComment) {
+		return is_Comment(comment)
+			? is_BlockCommentKind(comment)
+				? "/*"
+				: "//"
+			: is_BlockCommentKind(comment)
+			? isInner(comment)
+				? "/*!"
+				: "/**"
+			: isInner(comment)
+			? "//!"
+			: "///";
+	}
+	function isIndentableBlockComment(value: string) {
+		const lines = `*${value}*`.split(/\n/g);
+		return lines.length > 1 && lines.every((line) => /^\s*\*/.test(line));
+	}
+}

frontend/src/common/prettier/plugins/rust/format/complexity.ts

@@ -0,0 +1,282 @@
+import {
+	ForLtParametersBody,
+	FunctionSpread,
+	GenericParameterDeclaration,
+	MaybeGenericArgsTarget,
+	MissingNode,
+	Node,
+	NodeType,
+	TypeBound,
+	TypeBoundsConstaint,
+	TypeCallArgument,
+	TypeNamespaceTargetNoSelector,
+	TypeNode,
+} from "jinx-rust";
+import {
+	getAstPath,
+	getOwnChildAstPath,
+	is_BareTypeTraitBound,
+	is_FunctionSpread,
+	is_LetScrutinee,
+	is_Literal,
+	is_MissingNode,
+	is_TypeBoundsStandaloneNode,
+	is_TypeFunctionNode,
+	is_TypeNode,
+	is_VariableDeclarationNode,
+} from "jinx-rust/utils";
+import { exit, has_key_defined, last_of, spliceAll } from "../utils/common";
+import { canBreak } from "./external";
+import { getContext, getNode, getOptions, getPrintFn } from "./plugin";
+
+let DEPTH = 0;
+const ANCESTRY: Node[] = [];
+const LONE_SHORT_ARGUMENT_THRESHOLD_RATE = 0.25;
+
+export function withCheckContext<R>(fn: () => R): R {
+	if (0 === DEPTH) {
+		return fn();
+	} else {
+		DEPTH = 0;
+		const prev = spliceAll(ANCESTRY);
+		try {
+			return fn();
+		} finally {
+			DEPTH = ANCESTRY.push(...prev);
+		}
+	}
+}
+
+export function is_short(str: string) {
+	return str.length <= LONE_SHORT_ARGUMENT_THRESHOLD_RATE * getOptions().printWidth;
+}
+function print(target: Node) {
+	const current = getNode();
+	const keys: (string | number)[] = [...getAstPath(ANCESTRY[0], getNode())];
+	for (let i = 1; i < ANCESTRY.length; i++) keys.push(...getOwnChildAstPath(ANCESTRY[i - 1], ANCESTRY[i]));
+	keys.push(...getOwnChildAstPath(last_of(ANCESTRY), target));
+	try {
+		return getContext().path.call(() => getPrintFn(target)(), ...keys);
+	} catch (e) {
+		console.log({ current, target, keys, ANCESTRY });
+		throw e;
+	}
+}
+
+function IsSimpleFunction<T extends Node>(fn: (node: T) => boolean): (node: T) => boolean {
+	return function (node: T) {
+		if (0 !== DEPTH && node === ANCESTRY[DEPTH - 1]) {
+			return fn(node);
+		}
+
+		if (DEPTH >= 2) {
+			return isShortBasic(node);
+		}
+
+		try {
+			return fn((ANCESTRY[DEPTH++] = node) as any);
+		} finally {
+			ANCESTRY.length = --DEPTH;
+		}
+	} as any;
+}
+
+function HasComplexFunction<T extends Node>(fn: (node: T) => boolean): (node: T) => boolean {
+	return function (node: T) {
+		if (0 !== DEPTH && node === ANCESTRY[DEPTH - 1]) {
+			return fn(node);
+		}
+
+		if (DEPTH >= 2) {
+			return !isShortBasic(node);
+		}
+
+		try {
+			return fn((ANCESTRY[DEPTH++] = node) as any);
+		} finally {
+			ANCESTRY.length = --DEPTH;
+		}
+	} as any;
+}
+
+const isShortBasic = (node: Node) => {
+	switch (node.nodeType) {
+		case NodeType.MissingNode:
+			return true;
+		case NodeType.Identifier:
+		case NodeType.Index:
+		case NodeType.LtIdentifier:
+		case NodeType.LbIdentifier:
+		case NodeType.McIdentifier:
+			return is_short(node.name);
+		case NodeType.Literal:
+			return is_short(node.value) && !/\n/.test(node.value);
+	}
+	return false;
+};
+
+export const isSimpleType = IsSimpleFunction<FunctionSpread | TypeNode | MissingNode>((node): boolean => {
+	switch (node.nodeType) {
+		case NodeType.MissingNode:
+		case NodeType.FunctionSpread:
+			return true;
+		case NodeType.MacroInvocation:
+			return false;
+		case NodeType.Identifier:
+		case NodeType.TypeNever:
+		case NodeType.TypeInferred:
+			return true;
+		case NodeType.TypePath:
+			return isShortBasic(node.segment) && (!node.namespace || isSimpleType(node.namespace));
+		case NodeType.TypeCall:
+			return isSimpleType(node.typeCallee) && !hasComplexTypeArguments(node);
+		case NodeType.ExpressionTypeSelector:
+			return isSimpleType(node.typeTarget) && (!node.typeExpression || isSimpleType(node.typeExpression));
+		case NodeType.TypeDynBounds:
+			return !hasComplexTypeBounds(node);
+		case NodeType.TypeImplBounds:
+			return !hasComplexTypeBounds(node);
+		case NodeType.TypeFnPointer: {
+			const param = node.parameters[0];
+			return (
+				(!node.extern || !node.extern.abi || isShortBasic(node.extern.abi)) &&
+				!hasComplexLtParameters(node) &&
+				(node.parameters.length === 0 ||
+					(node.parameters.length === 1 &&
+						(is_FunctionSpread(param) ||
+							(!is_TypeFunctionNode(param.typeAnnotation) && isSimpleType(param.typeAnnotation))))) &&
+				(!node.returnType || isSimpleType(node.returnType))
+			);
+		}
+		case NodeType.TypeFunction:
+			return isSimpleType(node.callee) && node.parameters.every(isSimpleType) && (!node.returnType || isSimpleType(node.returnType));
+		case NodeType.TypeSizedArray:
+			return isSimpleType(node.typeExpression) && isShortBasic(node.sizeExpression);
+		case NodeType.TypeSlice:
+			return isSimpleType(node.typeExpression);
+		case NodeType.TypeTuple:
+			return node.items.length === 0 || (node.items.length === 1 && isSimpleType(node.items[0]));
+		case NodeType.TypeReference:
+		case NodeType.TypeDereferenceMut:
+		case NodeType.TypeDereferenceConst:
+		case NodeType.TypeParenthesized:
+			return isSimpleType(node.typeExpression);
+		default:
+			__DEV__: exit.never(node);
+			return false;
+	}
+});
+
+export const hasComplexTypeBounds = HasComplexFunction<Extract<Node, TypeBoundsConstaint>>((node) => {
+	return !!node.typeBounds && node.typeBounds.length > 1 && !node.typeBounds.every(isSimpleTypeBound);
+});
+
+export const isSimpleTypeBound = (node: TypeBound): boolean => {
+	switch (node.nodeType) {
+		case NodeType.TypeParenthesized:
+			return isSimpleTypeBound(node.typeExpression);
+		// #Lifetime
+		case NodeType.LtIdentifier:
+		case NodeType.LtElided:
+		case NodeType.LtStatic:
+			return true;
+		case NodeType.TypeTraitBound:
+			return is_BareTypeTraitBound(node) && isSimpleTypeNamespaceTargetNoSelector(node.typeExpression);
+		default:
+			__DEV__: exit.never(node);
+			return false;
+	}
+	function isSimpleTypeNamespaceTargetNoSelector(node: TypeNamespaceTargetNoSelector): boolean {
+		switch (node.nodeType) {
+			case NodeType.Identifier:
+				return true;
+			case NodeType.TypePath:
+				return undefined === node.namespace || isSimpleTypeNamespaceTargetNoSelector(node.namespace);
+			case NodeType.TypeCall:
+				return false;
+			case NodeType.TypeFunction:
+				return isSimpleTypeNamespaceTargetNoSelector(node.callee) && node.parameters.length === 0 && !node.returnType;
+			default:
+				__DEV__: exit.never(node);
+				return false;
+		}
+	}
+};
+
+const isSimpleTypeArgument = IsSimpleFunction<TypeCallArgument>((node) => {
+	if (is_TypeNode(node)) {
+		return isSimpleType(node);
+	}
+	switch (node.nodeType) {
+		// #Lifetime
+		case NodeType.LtIdentifier:
+		case NodeType.LtElided:
+		case NodeType.LtStatic:
+		case NodeType.Literal:
+			return true;
+		case NodeType.MinusExpression:
+			return is_Literal(node.expression);
+		case NodeType.BlockExpression:
+			return false; //willBreak(getPrintFn(node)("body"));
+		case NodeType.TypeCallNamedArgument:
+			return isSimpleType(node.typeExpression);
+		case NodeType.TypeCallNamedBound:
+			return isSimpleType(node.typeTarget) && !hasComplexTypeBounds(node);
+		default:
+			__DEV__: exit.never(node);
+			return false;
+	}
+});
+
+export const hasComplexTypeArguments = HasComplexFunction<Extract<Node, MaybeGenericArgsTarget>>((node) =>
+	!node.typeArguments || node.typeArguments.length === 0
+		? false
+		: node.typeArguments.length === 1
+		? (() => {
+				const arg = node.typeArguments[0];
+				return is_TypeBoundsStandaloneNode(arg) || canBreak(print(arg));
+		  })()
+		: true
+);
+
+export const hasComplexLtParameters = HasComplexFunction<Extract<Node, ForLtParametersBody>>((node) => {
+	const ltParameters = node.ltParameters;
+	if (!ltParameters || ltParameters.length === 0) {
+		return false;
+	}
+	if (ltParameters.length === 1) {
+		const arg = ltParameters[0];
+		if (arg.ltBounds && arg.ltBounds.length > 1) {
+			return true;
+		}
+
+		return false;
+	}
+	return true;
+});
+
+export const isShortGenericParameterDeclaration = IsSimpleFunction<GenericParameterDeclaration>((node) => {
+	switch (node.nodeType) {
+		case NodeType.GenericTypeParameterDeclaration:
+			return !node.typeBounds && !node.typeDefault;
+		case NodeType.ConstTypeParameterDeclaration:
+			return (!node.typeAnnotation || is_MissingNode(node)) && !node.typeDefault;
+		case NodeType.GenericLtParameterDeclaration:
+			return !node.ltBounds;
+		default:
+			exit.never();
+	}
+});
+
+export const hasComplexGenerics = HasComplexFunction<Node>((node) => {
+	return has_key_defined(node, "generics") && node.generics.length > 0 && !node.generics.every(isShortGenericParameterDeclaration);
+});
+
+export const hasComplexTypeAnnotation = HasComplexFunction<Node>((node) => {
+	if (is_VariableDeclarationNode(node) && !is_LetScrutinee(node)) {
+		const { typeAnnotation } = node;
+		return !!typeAnnotation && !is_MissingNode(typeAnnotation) && !isSimpleType(typeAnnotation);
+	} else {
+		return false;
+	}
+});

frontend/src/common/prettier/plugins/rust/format/external.ts

@@ -0,0 +1,126 @@
+import { Attribute, AttributeOrDocComment, Comment, DocCommentAttribute, LocArray, MemberExpression, Node, SourceFile } from "jinx-rust";
+import { PickProps } from "jinx-rust/utils";
+import type { Doc, ParserOptions, Printer } from "prettier";
+import { doc } from "prettier";
+import { AssertTypesEq } from "../utils/common";
+
+export type { Doc, ParserOptions, Plugin, Printer } from "prettier";
+
+
+export const {
+	join,
+	line,
+	softline,
+	hardline,
+	literalline,
+	group,
+	conditionalGroup,
+	fill,
+	lineSuffix,
+	lineSuffixBoundary,
+	cursor,
+	breakParent,
+	ifBreak,
+	trim,
+	indent,
+	indentIfBreak,
+	align,
+	addAlignmentToDoc,
+	markAsRoot,
+	dedentToRoot,
+	dedent,
+	hardlineWithoutBreakParent,
+	literallineWithoutBreakParent,
+	label,
+} = doc.builders;
+
+export const {
+	willBreak,
+	traverseDoc,
+	findInDoc,
+	mapDoc,
+	removeLines,
+	stripTrailingHardline,
+} = doc.utils;
+
+// Fallback implementations for removed common in prettier 3
+export const isConcat = (doc: any): boolean => Array.isArray(doc);
+export const getDocParts = (doc: any): any[] => Array.isArray(doc) ? doc : [doc];
+export const propagateBreaks = (doc: any): any => doc;
+export const normalizeParts = (parts: any[]): any[] => parts.flat();
+export const normalizeDoc = (doc: any): any => doc;
+export const cleanDoc = (doc: any): any => doc;
+export const canBreak = (doc: any): boolean => {
+	if (!doc) return false;
+	if (typeof doc === 'string') return false;
+	if (Array.isArray(doc)) return doc.some(canBreak);
+	if (doc.type === 'group' || doc.type === 'fill') return true;
+	return willBreak(doc);
+};
+
+export const Symbol_comments = Symbol.for("comments");
+
+export interface CustomOptions extends ParserOptions<Node> {
+	[Symbol_comments]: AnyComment[];
+	rsParsedFile: SourceFile;
+	commentSpans: Map<number, number>;
+	printer: Printer<Node>;
+	cursorNode: any;
+
+	comments: Comment[];
+	danglingAttributes: AttributeOrDocComment[];
+	actuallyMethodNodes: WeakSet<MemberExpression>;
+}
+
+export type NodeWithComments<T extends Node> = T & { comments: AnyComment[] };
+export interface MutatedComment extends Comment, PrettierCommentInfo {}
+export interface MutatedAttribute extends Attribute, PrettierCommentInfo {}
+export interface MutatedDocComment extends DocCommentAttribute, PrettierCommentInfo {}
+export type AnyComment = MutatedComment | MutatedAttribute | MutatedDocComment;
+
+type keyofDelimitedArrayProps<T> = T extends never ? never : keyof PickProps<T, LocArray<any, "()" | "[]" | "{}" | "<>">>;
+
+__DEV__: AssertTypesEq<keyof typeof DCM, keyofDelimitedArrayProps<Node>>();
+
+export enum DCM {
+	"arguments" = "arguments",
+	"parameters" = "parameters",
+	"items" = "items",
+	"properties" = "properties",
+	"members" = "members",
+	"body" = "body",
+	"cases" = "cases",
+	"typeArguments" = "typeArguments",
+	"ltParameters" = "ltParameters",
+	"generics" = "generics",
+	"specifiers" = "specifiers",
+	"rules" = "rules",
+	"match" = "match",
+	"transform" = "transform",
+	"segments" = "segments",
+}
+
+export interface PrettierCommentInfo {
+	trailing: boolean;
+	leading: boolean;
+	unignore: boolean;
+	printed: boolean;
+	placement: "ownLine" | "endOfLine" | "remaining";
+	// nodeDescription?: any;
+	marker?: DCM;
+}
+
+export interface AstPath<T = Node> {
+	stack: (Node | string | number)[];
+	callParent<R>(callback: (path: this) => R, count?: number): R;
+	getName(): PropertyKey | null;
+	getValue(): T;
+	getNode(count?: number): T | null;
+	getParentNode(count?: number): T | null;
+
+	match(...predicates: ((node: Node, name: string | null, number: number | null) => boolean)[]): boolean;
+
+	call<R>(callback: (path: AstPath, index: number, value: any) => R, ...props: (string | number)[]): R;
+	each(callback: (path: AstPath, index: number, value: any) => void, ...props: (string | number)[]): void;
+	map<R>(callback: (path: AstPath, index: number, value: any) => R, ...props: (string | number)[]): R[];
+}

frontend/src/common/prettier/plugins/rust/format/plugin.ts

@@ -0,0 +1,367 @@
+import { AttributeOrComment, IfBlockExpression, Node, Program, rs } from "jinx-rust";
+import {
+	ArrayProps,
+	BoolProps,
+	NodeProps,
+	end,
+	hasAttributes,
+	insertNodes,
+	is_Attribute,
+	is_AttributeOrComment,
+	is_BlockCommentKind,
+	is_BlockCommentNode,
+	is_Comment,
+	is_DocCommentAttribute,
+	is_ElseBlock,
+	is_LineCommentNode,
+	is_MacroInvocation,
+	is_MacroRule,
+	is_MissingNode,
+	is_Node,
+	is_PunctuationToken,
+	is_UnionPattern,
+	start,
+} from "jinx-rust/utils";
+import { getCommentChildNodes, isTransformed, transform_ast } from "../transform";
+import { Narrow, assert, color, each, exit, iLast, is_array, map_tagged_template, print_string } from "../utils/common";
+import {
+	CF,
+	escapeComments,
+	getComments,
+	handleEndOfLineComment,
+	handleOwnLineComment,
+	handleRemainingComment,
+	hasBreaklineAfter,
+	hasComment,
+	isDangling,
+	isPrettierIgnoreAttribute,
+	setDidPrintComment,
+	withComments,
+} from "./comments";
+import { withCheckContext } from "./complexity";
+import { isNoopExpressionStatement, maybeEmptyLine } from "./core";
+import { AstPath, CustomOptions, Doc, Plugin, Symbol_comments, group, hardline, indent, line, softline, ParserOptions } from "./external";
+import { printer } from "./printer";
+import { needsInnerParens, needsOuterSoftbreakParens, shouldPrintOuterAttributesAbove } from "./styling";
+
+export function is_printing_macro() {
+	return getContext().path.stack.some((node) => is_Node(node) && (is_MacroInvocation(node) || is_Attribute(node)));
+}
+
+export function assertPathAtNode(name: string, node: Node, ...ctx: any[]) {
+	__DEV__: if (getNode() !== node)
+		exit(`Attempted to call ${name}() in wrong prettier path context`, { asserted: node, actual: getNode() }, ...ctx);
+}
+
+export function f(...args: [strings: TemplateStringsArray, ...values: Doc[]]) {
+	let cancel = false;
+	const res = map_tagged_template(args, (doc) => {
+		cancel ||= !doc || (is_array(doc) && doc.length === 0);
+		return doc;
+	});
+	return cancel ? "" : res;
+}
+
+export function sg_single(s: TemplateStringsArray, v_0: Doc) {
+	return group([s[0], indent([softline, v_0]), softline, s[1]]);
+}
+export function sg_duo(s: TemplateStringsArray, v_0: Doc, v_1: Doc) {
+	return group([s[0], indent([softline, v_0, s[1], line, v_1]), softline, s[2]]);
+}
+
+let ctx: {
+	path: AstPath;
+	options: CustomOptions;
+	print: (path?: AstPath | string | [] | undefined, args?: any) => Doc;
+	args: any;
+};
+
+export const getNode = () => ctx.path.stack[ctx.path.stack.length - 1] as Node;
+export const stackIncludes = (x: Node | string | number) => ctx.path.stack.includes(x);
+export const getContext = () => ctx;
+export const getOptions = () => ctx.options;
+export const getProgram = () => ctx.options.rsParsedFile.program;
+export const getAllComments = () => ctx.options[Symbol_comments];
+export const getParentNode = (child?: Node) => {
+	__DEV__: if (child) assertPathAtNode("getParentNode", child);
+	return ctx.path.getParentNode();
+};
+export const getGrandParentNode = () => ctx.path.getParentNode(1) as Node;
+export const getPrintFn = <T extends Node>(forNode?: T | undefined): print<T> => {
+	__DEV__: if (forNode) assertPathAtNode("getPrintFn", forNode);
+	return print as print<T>;
+};
+
+const get = (property: keyof any) => getNode()[property];
+const has = (property: keyof any) => !!get(property);
+
+export function pathCall<T extends Node, K extends keyof NodeProps<T> & keyof T, R>(node: T, key: K, fn: (child: T[K]) => R): R {
+	return ctx.path.call(() => fn(getNode() as any), key as any);
+}
+
+export function pathCallEach<T extends Node, K extends AK<T>>(
+	node: T,
+	key: K, // @ts-expect-error
+	fn: (child: NonNullable<T[K]>[number], index: number) => void
+) {
+	__DEV__: assertPathAtNode("", node); // @ts-expect-error
+	ctx.path.each((_, i) => fn(getNode() as any, i), key);
+}
+
+export function pathCallAtParent<T extends Node, R>(parent: T, fn: (parent: T) => R): R {
+	return ctx.path.callParent(() => {
+		__DEV__: assertPathAtNode("pathCallParent", parent);
+		return fn(parent);
+	});
+}
+export function pathCallParentOf<T extends Node, R>(child: Node, fn: (parent: T) => R): R {
+	__DEV__: assertPathAtNode("pathCallParentOf", child);
+	return ctx.path.callParent((p) => fn(getNode() as any));
+}
+
+export function pathCallTopMostIfBlockExpression<R>(node: IfBlockExpression, fn: (node: IfBlockExpression) => R): R {
+	const parent = getParentNode(node)!;
+	return is_ElseBlock(node, parent) ? pathCallAtParent(parent, (parent) => pathCallTopMostIfBlockExpression(parent, fn)) : fn(node);
+}
+
+function print(property?: any, args?: any): Doc | Doc[] {
+	if (!property) return ctx.print(undefined!, args);
+	if (Array.isArray(property)) return ctx.print(property as any, args);
+	const value = get(property);
+	return !!value ? (Array.isArray(value) ? ctx.path.map(ctx.print, property) : ctx.print(property, args)) : "";
+}
+
+namespace print {
+	export function b(property: string, res = `${property} `): Doc {
+		return has(property) ? res : "";
+	}
+	export function map(property: string, mapItem?: MapFn<any, any>): Doc[] {
+		return !has(property) ? [] : ctx.path.map(mapItem ? (p, i, a) => mapItem(a[i], i, a) : () => ctx.print(), property);
+	}
+	export function join(property: string, sep: SepFn<any, any> | Doc, trailingSep: TrailingSepFn<any, any> | Doc = ""): Doc[] {
+		return map_join(property, () => ctx.print(), sep, trailingSep);
+	}
+	export function map_join(
+		property: string,
+		mapFn: MapFn<any, any>,
+		sep: SepFn<any, any> | Doc,
+		sepTrailing: TrailingSepFn<any, any> | Doc = ""
+	) {
+		const sepFn = typeof sep === "function" ? sep : () => sep;
+		return map(property, (v, i, a) => [
+			mapFn(v, i, a),
+			iLast(i, a as any)
+				? typeof sepTrailing === "function"
+					? sepTrailing(v)
+					: sepTrailing
+				: sepFn(v, a[i + 1], i === 0 ? undefined : a[i - 1]),
+		]);
+	}
+}
+
+// prettier-ignore
+type SepFn<T extends Node = Node, K extends AK<T> = AK<T>> = <A extends AV<T, K>>(item: A[number], next_item: A[number], prev_item: A[number] | undefined) => Doc;
+type MapFn<T extends Node = Node, K extends AK<T> = AK<T>> = <A extends AV<T, K>>(item: A[number], index: number, arr: A) => Doc;
+type TrailingSepFn<T extends Node = Node, K extends AK<T> = AK<T>> = <A extends AV<T, K>>(item: A[number]) => Doc;
+type AV<T extends Node, K extends keyof T> = Extract<NonNullable<T[K]>, ReadonlyArray<unknown>>;
+type AK<T extends Node> = keyof ArrayProps<T> & keyof T;
+// type AK<T extends Node> = keyof PickProps<T, {nodeType:number}|{nodeType:number}[]> & keyof T;
+
+export interface print<T extends Node> {
+	(property?: [], args?: any): Doc;
+	(property?: [AK<T>, number], args?: any): Doc;
+	(property?: AK<T>, args?: any): Doc[];
+	// (property?: T extends {rules:{nodeType:number}|{nodeType:number}[]} ? "rules" : never, args?: any): Doc[];
+	(property?: keyof NodeProps<T> & keyof T, args?: any): Doc;
+	b(property: keyof BoolProps<T>, res?: string): Doc;
+	map<K extends AK<T>>(property: K & keyof ArrayProps<T>, mapFn?: MapFn<T, K>): Doc[];
+	join<K extends AK<T>>(property: K, sep: SepFn<T, K> | Doc, trailingSep?: TrailingSepFn<T, K> | Doc): Doc[];
+	map_join<K extends AK<T>>(property: K, mapFn: MapFn<T, K>, sep: SepFn<T, K> | Doc, trailingSep?: TrailingSepFn<T, K> | Doc): Doc[];
+}
+
+function genericPrint() {
+	return withCheckContext(() => {
+		const node = getNode();
+		__DEV__: assert(node.nodeType in printer);
+
+		let printed: Doc = hasPrettierIgnore(node) //
+			? node.loc.getOwnText()
+			: printer[node.nodeType]!(print as any, node as never);
+
+		const inner_parens = needsInnerParens(node);
+
+		if (inner_parens) {
+			printed = group(["(", printed, ")"]);
+		}
+
+		if (hasAttributes(node)) {
+			const print_above = shouldPrintOuterAttributesAbove(node); /*  || node.attributes.length > 1 */
+			printed = [
+				...print.join(
+					"attributes",
+					(attr) =>
+						print_above
+							? maybeEmptyLine(attr)
+							: is_LineCommentNode(attr) || (is_BlockCommentNode(attr) && hasBreaklineAfter(attr))
+							? hardline
+							: " ",
+					(attr) =>
+						print_above && is_DocCommentAttribute(attr)
+							? maybeEmptyLine(attr)
+							: print_above || is_LineCommentNode(attr) || (is_BlockCommentNode(attr) && hasBreaklineAfter(attr))
+							? hardline
+							: " "
+				),
+				printed,
+			];
+		}
+
+		printed = withComments(
+			node,
+			printed,
+			hasPrettierIgnore(node) || ((is_Attribute(node) || is_MacroInvocation(node)) && !isTransformed(node))
+				? escapeComments(0, (comment) => node.loc.ownContains(comment))
+				: is_MacroRule(node)
+				? escapeComments(0, (comment) => node.transform.loc.contains(comment))
+				: is_UnionPattern(getParentNode() ?? ({ nodeType: 0 } as any))
+				? new Set(getComments(node, CF.Leading | CF.Trailing, (comment) => !isDangling(comment)))
+				: undefined
+		);
+
+		if (!inner_parens && needsOuterSoftbreakParens(node)) {
+			printed = [group(["(", indent([softline, printed]), softline, ")"])];
+		}
+
+		return printed;
+	});
+
+	function hasPrettierIgnore(node: Node) {
+		return (
+			(node as any).prettierIgnore ||
+			hasComment(node, CF.PrettierIgnore) ||
+			(hasAttributes(node) && node.attributes.some(isPrettierIgnoreAttribute))
+		);
+	}
+}
+
+export function canAttachComment(n: Node) {
+	return !is_Comment(n) && !isNoopExpressionStatement(n) && !is_MissingNode(n) && !is_PunctuationToken(n);
+}
+
+export const plugin: Plugin<Node> = {
+	languages: [
+		{
+			name: "Rust",
+			aliases: ["rs"],
+			parsers: ["jinx-rust"],
+			extensions: [".rs", ".rs.in"],
+			linguistLanguageId: 327,
+			vscodeLanguageIds: ["rust"],
+			tmScope: "source.rust",
+			aceMode: "rust",
+			codemirrorMode: "rust",
+			codemirrorMimeType: "text/x-rustsrc",
+		},
+	],
+	parsers: {
+		"jinx-rust": {
+			astFormat: "jinx-rust",
+			locStart: start,
+			locEnd: end,
+			parse(code: string, options: ParserOptions<Node> & Partial<CustomOptions>) {
+				const customOptions = options as CustomOptions;
+				ctx = { options: customOptions } as any;
+
+				customOptions.rsParsedFile = rs.parseFile((customOptions.originalText = code), { filepath: customOptions.filepath });
+
+				customOptions.actuallyMethodNodes = new WeakSet();
+				customOptions.danglingAttributes = [];
+				customOptions.comments = [];
+
+				transform_ast(customOptions);
+
+				const comments: AttributeOrComment[] = [];
+				insertNodes(comments, customOptions.comments);
+				insertNodes(comments, customOptions.danglingAttributes);
+
+				// @ts-expect-error
+				customOptions.rsParsedFile.program.comments = comments;
+
+				customOptions.commentSpans = new Map(comments.map((n) => [start(n), end(n)]));
+
+				return customOptions.rsParsedFile.program;
+			},
+		},
+	},
+	printers: {
+		"jinx-rust": {
+			preprocess: (node: Node) => (node as Program).loc?.src || node,
+			print(path, options, print, args) {
+				if (path.stack.length === 1) {
+					__DEV__: Narrow<CustomOptions>(options);
+					ctx = { path, options, print: print as any, args };
+					try {
+						const printed = genericPrint();
+						__DEV__: devEndCheck(printed);
+						return printed;
+					} finally {
+						ctx = undefined!;
+					}
+				} else if (args || ctx.args) {
+					const prev_args = ctx.args;
+					try {
+						ctx.args = args;
+						return genericPrint();
+					} finally {
+						ctx.args = prev_args;
+					}
+				} else {
+					return genericPrint();
+				}
+			},
+			hasPrettierIgnore: () => false,
+			willPrintOwnComments: () => true,
+			isBlockComment: (node: Node): boolean => {
+				return is_AttributeOrComment(node) && is_BlockCommentKind(node as any);
+			},
+			canAttachComment: canAttachComment,
+			getCommentChildNodes: getCommentChildNodes,
+			printComment: genericPrint,
+			handleComments: {
+				// @ts-expect-error
+				avoidAstMutation: true,
+				ownLine: handleOwnLineComment,
+				endOfLine: handleEndOfLineComment,
+				remaining: handleRemainingComment,
+			},
+		},
+	},
+	options: {},
+	defaultOptions: {
+		// default prettier (2)  -> rustfmt (4)
+		tabWidth: 4,
+		// default prettier (80) -> rustfmt (100)
+		printWidth: 100,
+	},
+};
+
+function devEndCheck(printed: Doc) {
+	let first = false;
+	const comments = getAllComments();
+	each(comments, (comment, index) => {
+		if (!comment.printed) {
+			if (!first) (first = true), console.log(color.red(`Unprinted comments:`));
+			const len = 40;
+			const msg =
+				color.magenta(
+					(comment.marker ? `Dangling "${comment.marker}" ` : "") +
+						(is_Attribute(comment) ? "Attribute " : is_DocCommentAttribute(comment) ? "DocCommentAttribute" : "Comment") +
+						` ${index}/${comments.length}` +
+						color.yellow(` ${print_string(comment.loc.sliceText(0, len))}${comment.loc.len() > len ? " ..." : ""}`)
+				) + color.grey(`\n    at ${comment.loc.url()}`);
+			if (globalThis.TESTS_FORMAT_DEV) exit(msg);
+			else console.log(msg);
+			setDidPrintComment(comment);
+		}
+	});
+}

frontend/src/common/prettier/plugins/rust/format/printer.ts

@@ -0,0 +1,719 @@
+import { DelimKind, Node, NodeType, NTMap } from "jinx-rust";
+import {
+	getDelimChars,
+	hasSuffix,
+	is_ArrayOrTupleLiteral,
+	is_BlockExpression,
+	is_ClosureFunctionExpression,
+	is_Identifier,
+	is_IfBlockExpression,
+	is_LiteralNumberLike,
+	is_StructLiteral,
+	start,
+} from "jinx-rust/utils";
+import {
+	BlockLikeMacroInvocation,
+	CallLikeMacroInvocation,
+	is_BlockLikeMacroInvocation,
+	is_CallLikeMacroInvocation,
+	isTransformed,
+} from "../transform";
+import { exit } from "../utils/common";
+import { hasComment, print_comment } from "./comments";
+import { isSimpleType } from "./complexity";
+import {
+	adjustClause,
+	parenthesize_if_break,
+	printAnnotatedPattern,
+	printArrayLike,
+	printArrowFunction,
+	printAssignment,
+	printBinaryishExpression,
+	printBlockBody,
+	printBodyOrCases,
+	printCallArguments,
+	printCallExpression,
+	printCondition,
+	printDanglingCommentsForInline,
+	printDeclarationTypeBounds,
+	printEnumBody,
+	printFlowControlExpression,
+	printGenerics_x_whereBounds,
+	printIfBlock,
+	printIfBlockCondition,
+	printImplTraitForType,
+	printLtBounds,
+	printLtParameters,
+	printMacroRules,
+	printMaybeBlockBody,
+	printMemberExpression,
+	printNumber,
+	printObject,
+	printParametersAndReturnType,
+	printRuleMatch,
+	printRuleTransform,
+	printTypeAnnotation,
+	printTypeArguments,
+	printTypeBounds,
+	printUnaryExpression,
+	printUnionPattern,
+} from "./core";
+import { DCM, Doc, group, hardline, ifBreak, indent, join, line, softline, willBreak } from "./external";
+import { f, getOptions, getParentNode, pathCall, sg_duo, sg_single, type print } from "./plugin";
+import { needsParens, stmtNeedsSemi } from "./styling";
+
+type nPrint<T extends Node> = (print: print<T>, node: T) => Doc | never;
+
+export const printer: { [K in NodeType]: nPrint<Extract<NTMap[K], Node>> } = {
+	[NodeType.MissingNode](print, node) {
+		return "";
+	},
+	[NodeType.SourceFile](print, node) {
+		return [
+			print.b("UTF8BOM", "\uFEFF"), //
+			print("shebang"),
+			print("program"),
+		];
+	},
+	[NodeType.Shebang](print, node) {
+		return [`#!${node.value}`, hardline];
+	},
+	[NodeType.Program](print, node) {
+		return printBodyOrCases(print, node);
+	},
+	[NodeType.Snippet](print, node) {
+		exit.never();
+	},
+	[NodeType.Identifier](print, node) {
+		return node.name;
+	},
+	[NodeType.Index](print, node) {
+		return node.name;
+	},
+	[NodeType.LbIdentifier](print, node) {
+		return node.name;
+	},
+	[NodeType.McIdentifier](print, node) {
+		return node.name;
+	},
+	[NodeType.LtIdentifier](print, node) {
+		return node.name;
+	},
+	[NodeType.PunctuationToken](print, node) {
+		return node.token;
+	},
+	[NodeType.DelimGroup](print, node) {
+		return node.loc.getOwnText();
+	},
+	[NodeType.Literal](print, node) {
+		let { value } = node;
+		if (is_LiteralNumberLike(node)) value = printNumber(value);
+		return hasSuffix(node) ? [value, print("suffix")] : value;
+	},
+	[NodeType.ItemPath](print, node) {
+		return [print("namespace"), "::", print("segment")];
+	},
+	[NodeType.ExpressionPath](print, node) {
+		return [print("namespace"), "::", print("segment")];
+	},
+	[NodeType.TypePath](print, node) {
+		return [print("namespace"), "::", print("segment")];
+	},
+	[NodeType.Comment](print, node) {
+		return print_comment(node);
+	},
+	[NodeType.DocCommentAttribute](print, node) {
+		return print_comment(node);
+	},
+	[NodeType.Attribute](print, node) {
+		return [
+			node.inner ? "#![" : "#[",
+			isTransformed(node)
+				? [print("segments"), printDanglingCommentsForInline(node)] //
+				: node.segments.loc.sliceText(1, -1).trim(),
+			"]",
+		];
+	},
+	[NodeType.MacroInvocation](print, node) {
+		const hasCurlyBrackets = node.segments.dk === DelimKind["{}"];
+		const delim = getDelimChars(node.segments);
+		if (node.segments.length === 0) {
+			return [print("callee"), "!", hasCurlyBrackets ? " " : "", delim.left, printDanglingCommentsForInline(node), delim.right];
+		}
+		if (isTransformed(node)) {
+			if (is_CallLikeMacroInvocation(node)) {
+				return [print("callee"), "!", printCallArguments(print as print<CallLikeMacroInvocation>, node)];
+			}
+			if (is_BlockLikeMacroInvocation(node)) {
+				return [print("callee"), "!", " ", printBlockBody(print as print<BlockLikeMacroInvocation>, node)];
+			}
+		}
+		let content = node.segments.loc.sliceText(1, -1);
+		if (content.trim().length === 0) {
+			content = "";
+		} else if (!content.includes("\n")) {
+			content = content.trim();
+			if (hasCurlyBrackets) content = " " + content + " ";
+		}
+		return [print("callee"), "!", hasCurlyBrackets ? " " : "", delim.left, content, delim.right];
+	},
+	[NodeType.MacroRulesDeclaration](print, node) {
+		return ["macro_rules! ", print("id"), printMacroRules(print, node)];
+	},
+	[NodeType.MacroRuleDeclaration](print, node) {
+		return [printRuleMatch(print, node), " => ", printRuleTransform(print, node), ";"];
+	},
+	[NodeType.MacroDeclaration](print, node) {
+		return [print("pub"), "macro ", print("id"), printMacroRules(print, node)];
+	},
+	[NodeType.MacroInlineRuleDeclaration](print, node) {
+		return [printRuleMatch(print, node), " ", printRuleTransform(print, node)];
+	},
+	[NodeType.MacroGroup](print, node) {
+		return node.loc.getOwnText();
+	},
+	[NodeType.MacroParameterDeclaration](print, node) {
+		return [print("id"), ":", print("ty")];
+	},
+	[NodeType.PubSpecifier](print, node) {
+		if (!node.location) return "pub ";
+		if (is_Identifier(node.location)) {
+			switch (node.location.name) {
+				case "crate":
+					if (start(node) === start(node.location)) {
+						return "crate ";
+					} else {
+						return ["pub(", print("location"), ") "];
+					}
+				case "self":
+				case "super":
+					return ["pub(", print("location"), ") "];
+			}
+		}
+		return ["pub(in ", print("location"), ") "];
+	},
+	[NodeType.ExternSpecifier](print, node) {
+		return ["extern ", f`${print("abi")} `];
+	},
+	[NodeType.ExpressionStatement](print, node) {
+		return [print("expression"), stmtNeedsSemi(node) ? ";" : ""];
+	},
+	[NodeType.UseStatement](print, node) {
+		return [print("pub"), "use ", print("import"), ";"];
+	},
+	[NodeType.DestructuredImport](print, node) {
+		if (node.specifiers.length === 0) return [print("source"), "::{", printDanglingCommentsForInline(node, DCM["specifiers"]), "}"];
+		let space = true;
+		__DEV__: if (globalThis.TESTS_FORMAT_DEV) space = false;
+		return [
+			print("source"),
+			group([
+				"::{",
+				indent([space ? line : softline, join([",", line], print("specifiers")), ifBreak(",")]),
+				space ? line : softline,
+				"}",
+			]),
+		];
+	},
+	[NodeType.AmbientImport](print, node) {
+		return f`${print("source")}::*` || "*";
+	},
+	[NodeType.AnonymousImport](print, node) {
+		return [print("source"), " as ", "_"];
+	},
+	[NodeType.NamedImport](print, node) {
+		return [print("source"), f` as ${print("local")}`];
+	},
+	[NodeType.ExternCrateStatement](print, node) {
+		return [print("pub"), "extern crate ", print("import"), ";"];
+	},
+	[NodeType.TypeAliasDeclaration](print, node) {
+		return [
+			print("pub"),
+			"type",
+			printAssignment(
+				printGenerics_x_whereBounds(print, node, printDeclarationTypeBounds(print, node, ":")), //
+				" =",
+				"typeExpression"
+			),
+			";",
+		];
+	},
+	[NodeType.LetVariableDeclaration](print, node) {
+		return [
+			"let ",
+			printAssignment(
+				printAnnotatedPattern(print, node), //
+				" =",
+				"expression"
+			),
+			f` else ${print("else")}`,
+			";",
+		];
+	},
+	[NodeType.ConstVariableDeclaration](print, node) {
+		return [
+			print("pub"),
+			"const ",
+			printAssignment(
+				printAnnotatedPattern(print, node), //
+				" =",
+				"expression"
+			),
+			";",
+		];
+	},
+	[NodeType.StaticVariableDeclaration](print, node) {
+		return [
+			print("pub"),
+			"static ",
+			printAssignment(
+				printAnnotatedPattern(print, node), //
+				" =",
+				"expression"
+			),
+			";",
+		];
+	},
+	[NodeType.ModuleDeclaration](print, node) {
+		return [
+			print("pub"), //
+			print.b("unsafe"),
+			"mod ",
+			print("id"),
+			printMaybeBlockBody(print, node),
+		];
+	},
+	[NodeType.ExternBlockDeclaration](print, node) {
+		return [
+			print("pub"), //
+			print.b("unsafe"),
+			"extern ",
+			f`${print("abi")} `,
+			printBlockBody(print, node),
+		];
+	},
+	[NodeType.FunctionDeclaration](print, node) {
+		return [
+			print("pub"),
+			print.b("const"),
+			print.b("async"),
+			print.b("unsafe"),
+			print("extern"),
+			"fn",
+			printGenerics_x_whereBounds(print, node, printParametersAndReturnType(node)),
+			printMaybeBlockBody(print, node),
+		];
+	},
+	[NodeType.FunctionSelfParameterDeclaration](print, node) {
+		return group([print.b("ref", "&"), f`${print("lt")} `, print.b("mut"), "self", printTypeAnnotation(print, node)]);
+	},
+	[NodeType.FunctionParameterDeclaration](print, node) {
+		return group(printAnnotatedPattern(print, node));
+	},
+	[NodeType.FunctionSpread](print, node) {
+		return "...";
+	},
+	[NodeType.StructDeclaration](print, node) {
+		return [print("pub"), "struct", printGenerics_x_whereBounds(print, node, ""), printObject(print, node)];
+	},
+	[NodeType.StructPropertyDeclaration](print, node) {
+		return [print("pub"), print("id"), printTypeAnnotation(print, node)];
+	},
+	[NodeType.TupleStructDeclaration](print, node) {
+		return [print("pub"), "struct", printGenerics_x_whereBounds(print, node, printArrayLike(print, node)), ";"];
+	},
+	[NodeType.TupleStructItemDeclaration](print, node) {
+		return [print("pub"), print("typeAnnotation")];
+	},
+	[NodeType.UnionDeclaration](print, node) {
+		return [print("pub"), "union", printGenerics_x_whereBounds(print, node, ""), printObject(print, node)];
+	},
+	[NodeType.EnumDeclaration](print, node) {
+		return [print("pub"), "enum", printGenerics_x_whereBounds(print, node, ""), printEnumBody(print, node)];
+	},
+	[NodeType.EnumMemberDeclaration](print, node) {
+		return [
+			print("pub"),
+			printAssignment(
+				print("id"), //
+				" =",
+				"value"
+			),
+		];
+	},
+	[NodeType.EnumMemberTupleDeclaration](print, node) {
+		return [
+			print("pub"),
+			printAssignment(
+				[print("id"), printArrayLike(print, node)], //
+				" =",
+				"value"
+			),
+		];
+	},
+	[NodeType.EnumMemberStructDeclaration](print, node) {
+		return [
+			print("pub"),
+			printAssignment(
+				[print("id"), printObject(print, node)], //
+				" =",
+				"value"
+			),
+		];
+	},
+	[NodeType.TraitDeclaration](print, node) {
+		return [
+			print("pub"),
+			print.b("unsafe"),
+			"trait",
+			printGenerics_x_whereBounds(print, node, printDeclarationTypeBounds(print, node, ":")),
+			adjustClause(node, printBlockBody(print, node)),
+		];
+	},
+	[NodeType.AutoTraitDeclaration](print, node) {
+		return [
+			print("pub"),
+			print.b("unsafe"),
+			"auto trait ",
+			print("id"),
+			" ",
+			printBlockBody(print, node as any), // see "transform.ts"
+		];
+	},
+	[NodeType.TraitAliasDeclaration](print, node) {
+		return [
+			print("pub"),
+			print.b("unsafe"),
+			"trait",
+			printGenerics_x_whereBounds(print, node, printDeclarationTypeBounds(print, node, " =")),
+			";",
+		];
+	},
+	[NodeType.ImplDeclaration](print, node) {
+		return [
+			print("pub"),
+			print.b("unsafe"),
+			"impl",
+			printGenerics_x_whereBounds(print, node, [print.b("const"), printImplTraitForType(print, node)]),
+			adjustClause(node, printBlockBody(print, node)),
+		];
+	},
+	[NodeType.NegativeImplDeclaration](print, node) {
+		return [
+			print("pub"),
+			"impl",
+			printGenerics_x_whereBounds(print, node, ["!", printImplTraitForType(print, node)]),
+			" ",
+			printBlockBody(print, node as any), // see "transform.ts"
+		];
+	},
+	[NodeType.ExpressionTypeSelector](print, node) {
+		return group(["<", print("typeTarget"), f` as ${print("typeExpression")}`, ">"]);
+	},
+	[NodeType.ExpressionTypeCast](print, node) {
+		return [print("typeCallee"), f`::${printTypeArguments(print, node)}`];
+	},
+	[NodeType.ExpressionAsTypeCast](print, node) {
+		return [print("expression"), " as ", print("typeExpression")];
+	},
+	[NodeType.ReturnExpression](print, node) {
+		return ["return", printFlowControlExpression(print, node)];
+	},
+	[NodeType.BreakExpression](print, node) {
+		return ["break", f` ${print("label")}`, printFlowControlExpression(print, node)];
+	},
+	[NodeType.ContinueExpression](print, node) {
+		return ["continue", f` ${print("label")}`];
+	},
+	[NodeType.YieldExpression](print, node) {
+		return ["yield", printFlowControlExpression(print, node)];
+	},
+	[NodeType.RangeLiteral](print, node) {
+		return [print("lower"), "..", print.b("last", "="), print("upper")];
+	},
+	[NodeType.CallExpression](print, node) {
+		return printCallExpression(print, node);
+	},
+	[NodeType.MemberExpression](print, node) {
+		return printMemberExpression(print, node);
+	},
+	[NodeType.AwaitExpression](print, node) {
+		return [print("expression"), ".await"];
+	},
+	[NodeType.UnwrapExpression](print, node) {
+		return [print("expression"), "?"];
+	},
+	[NodeType.ParenthesizedExpression](print, node) {
+		exit.never();
+		const shouldHug = !hasComment(node.expression) && (is_ArrayOrTupleLiteral(node.expression) || is_StructLiteral(node.expression));
+		if (shouldHug) return ["(", print("expression"), ")"];
+		return group(["(", indent([softline, print("expression")]), softline, ")"]);
+	},
+	[NodeType.MinusExpression](print, node) {
+		return printUnaryExpression("-", node);
+	},
+	[NodeType.NotExpression](print, node) {
+		return printUnaryExpression("!", node);
+	},
+	[NodeType.OrExpression](print, node) {
+		return printBinaryishExpression(print, node);
+	},
+	[NodeType.AndExpression](print, node) {
+		return printBinaryishExpression(print, node);
+	},
+	[NodeType.ReassignmentExpression](print, node) {
+		return printAssignment(print("left"), " =", "right");
+	},
+	[NodeType.UnassignedExpression](print, node) {
+		return "_";
+	},
+	[NodeType.OperationExpression](print, node) {
+		return printBinaryishExpression(print, node);
+	},
+	[NodeType.ReassignmentOperationExpression](print, node) {
+		return printAssignment(print("left"), " " + node.kind, "right");
+	},
+	[NodeType.ComparisonExpression](print, node) {
+		return printBinaryishExpression(print, node);
+	},
+	[NodeType.LetScrutinee](print, node) {
+		return ["let ", printAssignment(print("pattern"), " =", "expression")];
+	},
+	[NodeType.ClosureFunctionExpression](print, node) {
+		return printArrowFunction(print, node);
+	},
+	[NodeType.ClosureFunctionParameterDeclaration](print, node) {
+		return group(printAnnotatedPattern(print, node));
+	},
+	[NodeType.BlockExpression](print, node) {
+		return [
+			f`${print("label")}: `,
+			print.b("const"),
+			print.b("async"),
+			print.b("move"),
+			print.b("unsafe"),
+			printBlockBody(print, node),
+		];
+	},
+	[NodeType.LoopBlockExpression](print, node) {
+		return [f`${print("label")}: `, "loop ", printBlockBody(print, node)];
+	},
+	[NodeType.WhileBlockExpression](print, node) {
+		return [f`${print("label")}: `, "while ", printCondition(print, node), printBlockBody(print, node)];
+	},
+	[NodeType.ForInBlockExpression](print, node) {
+		return [f`${print("label")}: `, "for ", print("pattern"), " in ", print("expression"), " ", printBlockBody(print, node)];
+	},
+	[NodeType.IfBlockExpression](print, node) {
+		return [f`${print("label")}: `, printIfBlock(print, node)];
+	},
+	[NodeType.TryBlockExpression](print, node) {
+		return [f`${print("label")}: `, "try ", printBlockBody(print, node)];
+	},
+	[NodeType.MatchExpression](print, node) {
+		const id = Symbol("match");
+		const expr = print("expression");
+		const needs_parens = pathCall(node, "expression", needsParens);
+
+		let printed: Doc = [
+			f`${print("label")}: `,
+			"match ",
+			needs_parens ? expr : group([indent([softline, expr]), softline], { id }),
+			needs_parens ? " " : !willBreak(expr) ? ifBreak("", " ", { groupId: id }) : "" /*  ifBreak("", " ", { groupId: id }) */,
+			printBlockBody(print, node),
+		];
+
+		const parent = getParentNode()!;
+		if (is_ClosureFunctionExpression(parent) && parent.expression === node) {
+			printed = parenthesize_if_break([indent([softline, printed]), softline]);
+		}
+		return printed;
+	},
+	[NodeType.MatchExpressionCase](print, node) {
+		return group([
+			group(print("pattern")),
+			" ",
+			printIfBlockCondition(print, node),
+			"=>", //
+			(is_BlockExpression(node.expression) || is_IfBlockExpression(node.expression)) &&
+			!hasComment(node.expression, 0, (comment) => getOptions().danglingAttributes.includes(comment as any))
+				? [" ", print("expression")]
+				: group(indent([line, print("expression")])),
+		]);
+		return printAssignment(
+			[print("pattern"), " ", printIfBlockCondition(print, node)], //
+			"=>",
+			"expression"
+		);
+		return [print("pattern"), " ", printIfBlockCondition(print, node)];
+	},
+	[NodeType.StructLiteral](print, node) {
+		return [print("struct"), printObject(print, node)];
+	},
+	[NodeType.StructLiteralPropertyShorthand](print, node) {
+		return print("value");
+	},
+	[NodeType.StructLiteralProperty](print, node) {
+		return [print("key"), ": ", print("value")];
+	},
+	[NodeType.StructLiteralPropertySpread](print, node) {
+		return ["..", print("expression")];
+	},
+	[NodeType.StructLiteralRestUnassigned](print, node) {
+		return "..";
+	},
+	[NodeType.ArrayLiteral](print, node) {
+		return printArrayLike(print, node);
+	},
+	[NodeType.SizedArrayLiteral](print, node) {
+		return sg_duo`[${print("initExpression")};${print("sizeExpression")}]`;
+	},
+	[NodeType.TupleLiteral](print, node) {
+		return printArrayLike(print, node);
+	},
+	[NodeType.ReferenceExpression](print, node) {
+		return printUnaryExpression(["&", print.b("mut")], node);
+	},
+	[NodeType.RawReferenceExpression](print, node) {
+		return printUnaryExpression(`&raw ${node.kind} `, node);
+	},
+	[NodeType.DereferenceExpression](print, node) {
+		return printUnaryExpression("*", node);
+	},
+	[NodeType.BoxExpression](print, node) {
+		return printUnaryExpression("box ", node);
+	},
+	[NodeType.UnionPattern](print, node) {
+		return printUnionPattern(print, node);
+	},
+	[NodeType.ParenthesizedPattern](print, node) {
+		exit.never();
+		return sg_single`(${print("pattern")})`;
+	},
+	[NodeType.RestPattern](print, node) {
+		return "..";
+	},
+	[NodeType.WildcardPattern](print, node) {
+		return "_";
+	},
+	[NodeType.PatternVariableDeclaration](print, node) {
+		return [print.b("ref"), print.b("mut"), printAssignment(print("id"), " @", "pattern")];
+	},
+	[NodeType.StructPattern](print, node) {
+		return [print("struct"), printObject(print, node)];
+	},
+	[NodeType.StructPatternPropertyDestructured](print, node) {
+		return [print("key"), ": ", print("pattern")];
+	},
+	[NodeType.StructPatternPropertyShorthand](print, node) {
+		return [print.b("box"), print.b("ref"), print.b("mut"), print("id")];
+	},
+	[NodeType.TuplePattern](print, node) {
+		return [print("struct"), printArrayLike(print, node)];
+	},
+	[NodeType.ArrayPattern](print, node) {
+		return printArrayLike(print, node);
+	},
+	[NodeType.ReferencePattern](print, node) {
+		return ["&", print.b("mut"), print("pattern")];
+	},
+	[NodeType.BoxPattern](print, node) {
+		return ["box ", print("pattern")];
+	},
+	[NodeType.MinusPattern](print, node) {
+		return ["-", print("pattern")];
+	},
+	[NodeType.RangePattern](print, node) {
+		return [print("lower"), "..", print.b("last", "="), print("upper")];
+	},
+	[NodeType.TypeCall](print, node) {
+		return [print("typeCallee"), printTypeArguments(print, node)];
+	},
+	[NodeType.TypeCallNamedArgument](print, node) {
+		return printAssignment(print("target"), " =", "typeExpression");
+	},
+	[NodeType.TypeCallNamedBound](print, node) {
+		return [print("typeTarget"), printTypeBounds(":", print, node)];
+	},
+	[NodeType.LtElided](print, node) {
+		return "'_";
+	},
+	[NodeType.LtStatic](print, node) {
+		return "'static";
+	},
+	[NodeType.TypeNever](print, node) {
+		return "!";
+	},
+	[NodeType.TypeInferred](print, node) {
+		return "_";
+	},
+	[NodeType.GenericTypeParameterDeclaration](print, node) {
+		return printAssignment(
+			[print("id"), printTypeBounds(":", print, node)], //
+			" =",
+			"typeDefault"
+		);
+	},
+	[NodeType.ConstTypeParameterDeclaration](print, node) {
+		return [
+			"const ",
+			printAssignment(
+				[print("id"), printTypeAnnotation(print, node)], //
+				" =",
+				"typeDefault"
+			),
+		];
+	},
+	[NodeType.GenericLtParameterDeclaration](print, node) {
+		return [print("id"), printLtBounds(":", print, node)];
+	},
+	[NodeType.WhereTypeBoundDeclaration](print, node) {
+		return [printLtParameters(print, node), print("typeTarget"), printTypeBounds(":", print, node)];
+	},
+	[NodeType.WhereLtBoundDeclaration](print, node) {
+		return [print("ltTarget"), printLtBounds(":", print, node)];
+	},
+	[NodeType.TypeTraitBound](print, node) {
+		return [print.b("maybeConst", "~const "), print.b("optional", "?"), printLtParameters(print, node), print("typeExpression")];
+	},
+	[NodeType.TypeDynBounds](print, node) {
+		return printTypeBounds("dyn", print, node);
+	},
+	[NodeType.TypeImplBounds](print, node) {
+		return printTypeBounds("impl", print, node);
+	},
+	[NodeType.TypeFnPointer](print, node) {
+		return [printLtParameters(print, node), print.b("unsafe"), print("extern"), "fn", printParametersAndReturnType(node)];
+	},
+	[NodeType.TypeFnPointerParameter](print, node) {
+		return [f`${print("id")}: `, print("typeAnnotation")];
+	},
+	[NodeType.TypeFunction](print, node) {
+		return [print("callee"), printParametersAndReturnType(node)];
+	},
+	[NodeType.TypeTuple](print, node) {
+		return printArrayLike(print, node);
+	},
+	[NodeType.TypeSizedArray](print, node) {
+		return sg_duo`[${print("typeExpression")};${print("sizeExpression")}]`;
+		if (isSimpleType(node)) return ["[", print("typeExpression"), "; ", print("sizeExpression"), "]"];
+	},
+	[NodeType.TypeSlice](print, node) {
+		if (isSimpleType(node)) return ["[", print("typeExpression"), "]"];
+		return sg_single`[${print("typeExpression")}]`;
+	},
+	[NodeType.TypeReference](print, node) {
+		return ["&", f`${print("lt")} `, print.b("mut"), print("typeExpression")];
+	},
+	[NodeType.TypeDereferenceConst](print, node) {
+		return ["*const ", print("typeExpression")];
+	},
+	[NodeType.TypeDereferenceMut](print, node) {
+		return ["*mut ", print("typeExpression")];
+	},
+	[NodeType.TypeParenthesized](print, node) {
+		exit.never();
+		return sg_single`(${print("typeExpression")})`;
+	},
+};

frontend/src/common/prettier/plugins/rust/format/styling.ts

@@ -0,0 +1,645 @@
+import {
+	ClosureFunctionExpression,
+	ComparisonExpression,
+	ConditionExpression,
+	EnumDeclaration,
+	EnumMemberStructDeclaration,
+	ExpressionAsTypeCast,
+	ExpressionNode,
+	ExpressionStatement,
+	ExpressionWithBody,
+	LeftRightExpression,
+	LogicalExpression,
+	MacroDeclaration,
+	MacroRulesDeclaration,
+	MissingNode,
+	Node,
+	NodeType,
+	NodeWithBody,
+	NodeWithBodyOrCases,
+	OperationExpression,
+	PRCD,
+	StructDeclaration,
+	StructLiteral,
+	StructPattern,
+	TK,
+	UnionDeclaration,
+} from "jinx-rust";
+import {
+	can_have_OuterAttributes,
+	getAstPath,
+	getPrecedence,
+	hasAttributes,
+	hasBody,
+	hasCondition,
+	hasItems,
+	hasLetScrutineeCondition,
+	hasOuterAttributes,
+	hasProperties,
+	is_Attribute,
+	is_AttributeOrDocComment,
+	is_AwaitExpression,
+	is_BitwiseOperator,
+	is_CallExpression,
+	is_ClosureFunctionExpression,
+	is_ComparisonExpression,
+	is_DocCommentAttribute,
+	is_ElseBlock,
+	is_EnumMemberDeclaration,
+	is_EqualityOperator,
+	is_ExpressionAsTypeCast,
+	is_ExpressionStatement,
+	is_ExpressionWithBody,
+	is_ExpressionWithBodyOrCases,
+	is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation,
+	is_FlowControlExpression,
+	is_FlowControlMaybeValueExpression,
+	is_ForInBlockExpression,
+	is_Identifier,
+	is_IfBlockExpression,
+	is_ImplicitReturnAbleNode,
+	is_LeftRightExpression,
+	is_LetScrutinee,
+	is_Literal,
+	is_LiteralNumberLike,
+	is_LogicalExpression,
+	is_LoopBlockExpression,
+	is_MatchExpression,
+	is_MatchExpressionCase,
+	is_MemberExpression,
+	is_NodeWithBodyNoBody,
+	is_NodeWithMaybePatternNoUnionBody,
+	is_OperationExpression,
+	is_ParenthesizedNode,
+	is_PatternVariableDeclaration,
+	is_PostfixExpression,
+	is_RangeLiteral,
+	is_ReassignmentNode,
+	is_ReturnExpression,
+	is_StatementNode,
+	is_StructLiteral,
+	is_StructLiteralProperty,
+	is_StructPatternProperty,
+	is_StructPropertyDeclaration,
+	is_TypeBoundsStandaloneNode,
+	is_TypeFunctionNode,
+	is_TypeTraitBound,
+	is_UnaryExpression,
+	is_UnaryType,
+	is_UnionPattern,
+	is_WhileBlockExpression,
+	is_YieldExpression,
+	is_bitshiftOperator,
+	is_multiplicativeOperator,
+} from "jinx-rust/utils";
+import { BlockLikeMacroInvocation, is_BlockLikeMacroInvocation, is_CallExpression_or_CallLikeMacroInvocation } from "../transform";
+import { exit, last_of } from "../utils/common";
+import { CF, hasBreaklineAfter, hasComment } from "./comments";
+import { flowControlExpressionNeedsOuterParens } from "./core";
+import { Doc, hardline, softline, willBreak } from "./external";
+import {
+	assertPathAtNode,
+	getContext,
+	getGrandParentNode,
+	getNode,
+	getOptions,
+	getParentNode,
+	getPrintFn,
+	is_printing_macro,
+	pathCallAtParent,
+	pathCallParentOf,
+	stackIncludes,
+} from "./plugin";
+
+export function needsOuterSoftbreakParens(node: Node) {
+	const parent = getParentNode(node);
+
+	if (!parent) return false;
+
+	if (is_ExpressionAsTypeCast(node)) {
+		return precedenceNeedsParens(node, parent);
+	}
+
+	if (
+		is_FlowControlMaybeValueExpression(parent) && //
+		parent.expression === node &&
+		flowControlExpressionNeedsOuterParens(parent)
+	) {
+		return true;
+	}
+	if (
+		is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation(node) &&
+		(false ||
+			(is_MemberExpression(parent) && parent.expression === node) ||
+			(is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation(parent) && !is_ElseBlock(node, parent)))
+	) {
+		return true;
+	}
+
+	if (is_UnionPattern(node) && is_NodeWithMaybePatternNoUnionBody(parent)) {
+		return true;
+	}
+
+	if (hasComment(node)) {
+		if (is_UnaryExpression(parent)) {
+			return true;
+		}
+
+		if (hasComment(node, CF.Line)) {
+			if (is_ReturnExpression(parent) || (is_YieldExpression(parent) && parent.expression === node)) {
+				return true;
+			}
+		}
+
+		if (
+			hasComment(node, CF.Leading, (comment) => is_Attribute(comment) && !comment.inner) &&
+			!can_have_OuterAttributes(node, parent, true)
+		) {
+			return true;
+		}
+	}
+
+	return false;
+}
+
+export function needsInnerParens(node: Node) {
+	if (needsOuterSoftbreakParens(node)) {
+		return false;
+	}
+
+	const parent = getParentNode(node);
+
+	if (!parent) {
+		return false;
+	}
+
+	if (is_Identifier(node)) {
+		return false;
+	}
+
+	if (is_Literal(node)) {
+		return is_LiteralNumberLike(node) && is_MemberExpression(parent) && node === parent.expression;
+	}
+
+	if (is_CallExpression(parent) && parent.callee === node && is_MemberExpression(node)) {
+		return !getOptions().actuallyMethodNodes.has(node);
+	}
+
+	if (is_ReassignmentNode(node)) {
+		if (is_printing_macro()) {
+			return false;
+		}
+
+		if (is_ClosureFunctionExpression(parent) && node === parent.expression) {
+			return true;
+		}
+
+		if (is_ExpressionStatement(parent)) {
+			return is_StructLiteral(node.left);
+		}
+
+		if (is_ReassignmentNode(parent)) {
+			return false;
+		}
+
+		return true;
+	}
+
+	if (is_ParenthesizedNode(parent)) {
+		return false;
+	}
+
+	if (is_ExpressionStatement(parent)) {
+		return false;
+	}
+
+	if (is_RangeLiteral(node)) {
+		return (
+			is_ExpressionAsTypeCast(parent) ||
+			is_LogicalExpression(parent) ||
+			is_UnaryExpression(parent) ||
+			is_PostfixExpression(parent) ||
+			(is_MemberExpression(parent) && node === parent.expression) ||
+			(is_CallExpression(parent) && node === parent.callee) ||
+			is_OperationExpression(parent) ||
+			is_ComparisonExpression(parent)
+		);
+	}
+
+	if (is_LetScrutinee(parent) && is_LogicalExpression(node) && parent.expression === (node as any)) {
+		return true;
+	}
+
+	if (is_UnaryExpression(node)) {
+		switch (parent.nodeType) {
+			case NodeType.MemberExpression:
+			case NodeType.AwaitExpression:
+				return node === parent.expression;
+			case NodeType.CallExpression:
+				return node === parent.callee;
+			default:
+				return false;
+		}
+	}
+
+	if (is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation(node)) {
+		if (is_ExpressionWithBodyOrCases(parent)) {
+			return !is_ElseBlock(node, parent);
+		}
+		if (is_LetScrutinee(parent) && parent.expression === node && is_ExpressionWithBodyOrCases(getGrandParentNode())) {
+			return true;
+		}
+		return (
+			is_ExpressionAsTypeCast(parent) ||
+			is_LogicalExpression(parent) ||
+			is_UnaryExpression(parent) ||
+			is_PostfixExpression(parent) ||
+			(is_MemberExpression(parent) && node === parent.expression) ||
+			(is_CallExpression(parent) && node === parent.callee) ||
+			is_OperationExpression(parent) ||
+			is_ComparisonExpression(parent) ||
+			is_RangeLiteral(parent)
+		);
+	}
+
+	if (is_StructLiteral(node)) {
+		if (is_ExpressionWithBodyOrCases(parent)) {
+			return true;
+		}
+
+		if (is_LetScrutinee(parent) && parent.expression === node && is_ExpressionWithBodyOrCases(getGrandParentNode())) {
+			return true;
+		}
+		if (is_UnaryExpression(parent) || is_PostfixExpression(parent) || is_MemberExpression(parent)) {
+			return parent.expression === node;
+		}
+		if (is_CallExpression(parent)) {
+			return parent.callee === node;
+		}
+	}
+
+	if (is_LogicalExpression(node) || is_OperationExpression(node) || is_ComparisonExpression(node) || is_ClosureFunctionExpression(node)) {
+		return precedenceNeedsParens(node, parent);
+	}
+
+	if (is_TypeFunctionNode(node)) {
+		const gp = getGrandParentNode();
+		if (node.returnType && is_TypeTraitBound(parent) && is_TypeBoundsStandaloneNode(gp) && last_of(gp.typeBounds) !== parent) {
+			return true;
+		}
+	}
+
+	if (is_TypeBoundsStandaloneNode(node)) {
+		return (
+			(is_UnaryType(parent) && node.typeBounds.length > 1) ||
+			is_TypeBoundsStandaloneNode(parent) ||
+			is_TypeTraitBound(parent) ||
+			(is_TypeFunctionNode(parent) && parent.returnType === node)
+		);
+	}
+
+	if (is_PatternVariableDeclaration(parent)) {
+		return is_UnionPattern(node);
+	}
+
+	return false;
+}
+
+function precedenceNeedsParens(node: LeftRightExpression | ClosureFunctionExpression | ExpressionAsTypeCast, parent: Node) {
+	if (is_UnaryExpression(parent) || is_PostfixExpression(parent)) return true;
+	if (is_ReassignmentNode(parent)) return parent.left === node;
+	if (is_MemberExpression(parent)) return parent.expression === node;
+	if (is_CallExpression(parent)) return parent.callee === node;
+	if (is_ExpressionAsTypeCast(parent)) return !is_ExpressionAsTypeCast(node);
+	if (is_LogicalExpression(parent)) return is_LogicalExpression(node) ? parent.nodeType !== node.nodeType : evalPrecedence(node, parent);
+	if (is_OperationExpression(parent) || is_ComparisonExpression(parent)) return evalPrecedence(node, parent);
+	return false;
+	function evalPrecedence(
+		child: LeftRightExpression | ClosureFunctionExpression | ExpressionAsTypeCast,
+		parent: ComparisonExpression | OperationExpression | LogicalExpression
+	) {
+		if (is_ExpressionAsTypeCast(child) || is_ClosureFunctionExpression(child)) {
+			return true;
+		}
+		function getPrec(node, bool) {
+			// if (is_EqualityOperator(node.tk)) {
+			// 	return 11.3;
+			// }
+			// if (is_LargerLesserOperator(node.tk)) {
+			// 	return 11.6;
+			// }
+			return getPrecedence(node, bool);
+		}
+
+		const childPRCD = getPrec(child, is_insideScrutinee(child));
+		const parentPRCD = getPrec(parent, is_insideScrutinee(parent));
+
+		if (parentPRCD > childPRCD) {
+			return true;
+		}
+
+		if (parentPRCD === childPRCD && parent.right === child) {
+			return true;
+		}
+
+		if (parentPRCD === childPRCD && !shouldFlatten(parent, child)) {
+			return true;
+		}
+
+		if (parentPRCD < childPRCD && child.tk === TK["%"]) {
+			return parentPRCD === PRCD["+-"];
+		}
+
+		if (is_BitwiseOperator(parent.tk) || (is_BitwiseOperator(child.tk) && is_EqualityOperator(parent.tk))) {
+			return true;
+		}
+
+		return false;
+	}
+}
+
+export function shouldFlatten(parent: ExpressionNode | ConditionExpression, node: ExpressionNode | ConditionExpression) {
+	if (getPrecedence(node, is_insideScrutinee(node)) !== getPrecedence(parent, is_insideScrutinee(parent))) return false;
+	if (is_ComparisonExpression(parent) && is_ComparisonExpression(node)) return false;
+	if (is_OperationExpression(parent) && is_OperationExpression(node)) {
+		if (
+			(node.tk === TK["%"] && is_multiplicativeOperator(parent.tk)) ||
+			(parent.tk === TK["%"] && is_multiplicativeOperator(node.tk)) ||
+			(node.tk !== parent.tk && is_multiplicativeOperator(node.tk) && is_multiplicativeOperator(parent.tk)) ||
+			(is_bitshiftOperator(node.tk) && is_bitshiftOperator(parent.tk))
+		)
+			return false;
+	}
+	return true;
+}
+
+export function needsParens(node: Node) {
+	return needsOuterSoftbreakParens(node) || needsInnerParens(node);
+}
+
+export function stmtNeedsSemi(stmt: ExpressionStatement, disregardExprType = false) {
+	return pathCallParentOf(stmt, (parent) => needsSemi(parent as any, stmt, disregardExprType));
+}
+
+const NoNode = { nodeType: 0 } as MissingNode;
+
+export function needsSemi(parent: NodeWithBody, stmt: ExpressionStatement, disregardExprType = false) {
+	const expr = disregardExprType ? NoNode : stmt.expression!;
+	const hadSemi = !disregardExprType && stmt.semi;
+
+	return (
+		!!expr &&
+		(forcePreserveSemi()
+			? true
+			: shouldNeverSemi()
+			? false
+			: shouldPreserveSemi()
+			? hadSemi || shouldAlwaysSemi() || canAutoCompleteSemi()
+			: true)
+	);
+
+	function forcePreserveSemi() {
+		/** Rust Compiler bug (preserve optional semicolon) */
+		// rust-lang/rust#70844 https://github.com/rust-lang/rust/issues/70844
+		// issue#22 https://github.com/jinxdash/prettier-plugin-rust/issues/22
+		return (
+			hadSemi &&
+			stmt === last_of(parent.body!) &&
+			((is_IfBlockExpression(expr) &&
+				hasLetScrutineeCondition(expr) &&
+				!(is_LetScrutinee(expr.condition) && is_Identifier(expr.condition.expression))) ||
+				(is_MatchExpression(expr) && !is_Identifier(expr.expression)))
+		);
+	}
+	function shouldNeverSemi() {
+		return is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation(expr);
+	}
+	function shouldPreserveSemi() {
+		return stmt === last_of(parent.body!) && (is_ImplicitReturnAbleNode(parent) || is_BlockLikeMacroInvocation(parent));
+	}
+	function shouldAlwaysSemi() {
+		return is_FlowControlExpression(expr) || is_ReassignmentNode(expr);
+	}
+	function canAutoCompleteSemi() {
+		return withPathAt(parent, function checkParent(child: NodeWithBodyOrCases): boolean {
+			return pathCallParentOf(child, (parent) => {
+				if (is_IfBlockExpression(parent) && parent.else === child) {
+					// if ... { ... } else if { ... } ...
+					// ^ ------------------------------- parent
+					//                     ^ ----------- child
+					return checkParent(parent);
+				}
+				if (is_ExpressionStatement(parent)) {
+					// { .... { ... } ... }
+					// ^ -----------------^ grandparent
+					//        ^ --- ^       ExpressionStatement<child>
+					if (hasOuterAttributes(parent)) return false;
+					return stmtNeedsSemi(parent, true);
+				}
+				if (is_MatchExpressionCase(parent) && parent.expression === child) {
+					return pathCallParentOf(parent, checkParent);
+				}
+				return false;
+			});
+		});
+	}
+}
+
+export function canInlineBlockBody(node: NodeWithBodyOrCases | BlockLikeMacroInvocation): boolean {
+	if (!is_ExpressionWithBody(node)) {
+		return false;
+	}
+	const body = node.body;
+
+	if (body.length === 0) {
+		return canInlineInlineable(node);
+	}
+
+	if (body.length === 1) {
+		const stmt = body[0];
+		if (is_AttributeOrDocComment(stmt)) {
+			return true;
+		}
+		if (is_ExpressionStatement(stmt) && !needsSemi(node, stmt)) {
+			/**
+			 * parent ( ExpressionStatement | StructLiteralProperty | LetVariableDeclaration | ... )
+			 *   ...
+			 *   node {
+			 *     expr
+			 *   }
+			 *   ...
+			 *
+			 *
+			 * Q: Can you inline "node { expr }" ?
+			 */
+			const expr = stmt.expression!;
+
+			if (
+				is_FlowControlExpression(expr) || //
+				is_ClosureFunctionExpression(expr) ||
+				is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation(expr)
+			) {
+				return false;
+			}
+
+			return canInlineInlineable(node);
+		}
+	}
+	return false;
+}
+
+// function q(node: ExpressionWithBody) {
+// 	pathCallTopMostIfBlockExpression(node, (node) => {});
+// }
+
+function canInlineInlineable(node: ExpressionWithBody) {
+	if (is_ForInBlockExpression(node) || is_LoopBlockExpression(node)) {
+		return false;
+	}
+	if (is_WhileBlockExpression(node)) {
+		return true;
+	}
+
+	const parent = getParentNode(node)!;
+
+	if (
+		is_ExpressionStatement(parent) &&
+		(!is_ImplicitReturnAbleNode(node) || pathCallAtParent(parent, (parent) => stmtNeedsSemi(parent, true)))
+	) {
+		return false;
+	}
+
+	if (is_ElseBlock(node, parent)) {
+		return pathCallAtParent(parent, canInlineBlockBody);
+	}
+	// if (is_CaseBlock(node, parent)) {
+	// 	return false;
+	// }
+	if (is_IfBlockExpression(node)) {
+		if (
+			!node.else ||
+			// hasLetScrutineeCondition(node) ||
+			is_ExpressionWithBodyOrCases_or_BlockLikeMacroInvocation(node.condition) ||
+			willBreak(getPrintFn(node)("condition"))
+		) {
+			return false;
+		}
+
+		const grandparent = getGrandParentNode();
+		if (is_ExpressionStatement(parent) && hasBody(grandparent) && grandparent.body.length > 1) {
+			return false;
+		}
+	}
+	return true;
+	return (
+		is_CallExpression_or_CallLikeMacroInvocation(parent) ||
+		hasItems(parent) ||
+		hasProperties(parent) ||
+		is_ClosureFunctionExpression(parent) ||
+		is_MemberExpression(parent) ||
+		is_AwaitExpression(parent) ||
+		is_LeftRightExpression(parent)
+	);
+}
+
+type NodeWithBracketContent =
+	| NodeWithBodyOrCases
+	| BlockLikeMacroInvocation
+	| EnumDeclaration
+	| StructDeclaration
+	| StructLiteral
+	| StructPattern
+	| EnumMemberStructDeclaration
+	| UnionDeclaration
+	| MacroRulesDeclaration
+	| MacroDeclaration;
+
+export function emptyContent(node: NodeWithBracketContent): Doc {
+	switch (node.nodeType) {
+		case NodeType.Program:
+		case NodeType.MacroRulesDeclaration:
+		case NodeType.MacroDeclaration:
+		case NodeType.ExternBlockDeclaration:
+		case NodeType.ModuleDeclaration:
+		case NodeType.TraitDeclaration:
+		case NodeType.StructDeclaration:
+		case NodeType.MacroInvocation:
+		case NodeType.FunctionDeclaration:
+		case NodeType.ImplDeclaration:
+		case NodeType.UnionDeclaration:
+		case NodeType.EnumDeclaration:
+		case NodeType.EnumMemberStructDeclaration:
+		case NodeType.StructLiteral:
+		case NodeType.StructPattern:
+			// case NodeType.MatchExpression:
+			return "";
+		case NodeType.BlockExpression:
+		case NodeType.WhileBlockExpression:
+		case NodeType.ForInBlockExpression:
+		case NodeType.TryBlockExpression:
+		case NodeType.IfBlockExpression:
+			return canInlineInlineable(node)
+				? is_IfBlockExpression(node) || is_ElseBlock(node, getParentNode()!)
+					? softline
+					: ""
+				: hardline;
+		case NodeType.LoopBlockExpression:
+		case NodeType.MatchExpression:
+			return hardline;
+		default:
+			if (is_NodeWithBodyNoBody(node)) {
+				return "";
+			}
+			__DEV__: exit.never(node);
+			return "";
+	}
+}
+
+export function is_insideScrutinee(target: Node) {
+	return withPathAt(target, (n) => stackIncludes("condition") && r(n));
+	function r(CHILD: Node) {
+		switch (CHILD.nodeType) {
+			case NodeType.OrExpression:
+			case NodeType.AndExpression:
+				return pathCallParentOf(CHILD, (PARENT) =>
+					hasCondition(PARENT) && PARENT.condition === CHILD //
+						? hasLetScrutineeCondition(PARENT)
+						: r(PARENT)
+				);
+			case NodeType.LetScrutinee:
+				return true;
+			default:
+				return false;
+		}
+	}
+}
+
+function withPathAt<T extends Node, R>(target: T, callback: (target: T) => R): R {
+	if (target === getNode()) return callback(target);
+	if (target === getParentNode()) return pathCallAtParent(target, () => callback(target));
+	if (stackIncludes(target)) return pathCallAtParent(getParentNode()!, () => withPathAt(target, callback));
+	return getContext().path.call(() => {
+		__DEV__: assertPathAtNode("withPathAt", target);
+		return callback(target); // @ts-ignore
+	}, ...getAstPath(getNode(), target));
+}
+export function shouldPrintOuterAttributesAbove(node: Node) {
+	return (
+		is_StatementNode(node) ||
+		is_MatchExpressionCase(node) ||
+		(hasAttributes(node) &&
+			node.attributes.some(
+				canInlineOuterAttribute(node)
+					? (attr) => is_DocCommentAttribute(attr) || hasBreaklineAfter(attr) //
+					: is_DocCommentAttribute
+			))
+	);
+	function canInlineOuterAttribute(node: Node) {
+		return (
+			is_EnumMemberDeclaration(node) ||
+			is_StructPropertyDeclaration(node) ||
+			is_StructLiteralProperty(node) ||
+			is_StructPatternProperty(node)
+		);
+	}
+}

frontend/src/common/prettier/plugins/rust/index.ts

@@ -0,0 +1,8 @@
+import { plugin } from "./format/plugin";
+
+export default plugin;
+export const languages = plugin.languages;
+export const parsers = plugin.parsers;
+export const printers = plugin.printers;
+export const options = plugin.options;
+export const defaultOptions = plugin.defaultOptions;

frontend/src/common/prettier/plugins/rust/transform/custom/attribute.ts

@@ -0,0 +1,116 @@
+import {
+	AttrSegment,
+	CallExpression,
+	DelimKind,
+	ExpressionPath,
+	Identifier,
+	Literal,
+	LocArray,
+	MacroInvocation,
+	NodeType,
+	PunctuationToken,
+	ReassignmentExpression,
+	TK,
+	rs,
+} from "jinx-rust";
+import { isTK, start } from "jinx-rust/utils";
+import { assert, exit } from "../../utils/common";
+import { isIdent } from "./utils";
+
+type SimpleAttrItem =
+	| Identifier //
+	| Literal
+	| ExpressionPath
+	| CallExpression
+	| ReassignmentExpression
+	| MacroInvocation;
+
+export function transform_simpleAttrSyntax(segments: MacroInvocation["segments"]) {
+	assert(segments.length !== 0, segments.loc.url());
+	return transform_segments(segments, false);
+
+	function transform_segments<N extends boolean>(
+		seq: LocArray<AttrSegment>,
+		nestedCall: N
+	): N extends true ? LocArray<SimpleAttrItem, "()"> : SimpleAttrItem {
+		let i = 0;
+
+		if (nestedCall) {
+			const args = rs.createLocArray<SimpleAttrItem, any>(DelimKind["()"], seq.loc.clone());
+			while (i !== seq.length) {
+				args.push(read(true));
+				if (i === seq.length) break;
+				assert(isTK(seq[i++], TK[","]));
+			}
+			return args as any;
+		} else {
+			const res = read(true);
+			assert(i === seq.length, res.loc.url());
+			return res as any;
+		}
+
+		function read(allowEq: boolean): SimpleAttrItem {
+			let lhs: Identifier | ExpressionPath;
+
+			switch (seq[i].nodeType) {
+				case NodeType.Literal:
+					return seq[i++] as Literal;
+				case NodeType.Identifier:
+					lhs = seq[i++] as Identifier;
+					break;
+				case NodeType.PunctuationToken:
+					assert((seq[i] as PunctuationToken).tk === TK["::"], seq[i].loc.url());
+					lhs = eatPathSegment(undefined);
+					break;
+				default:
+					exit.never();
+			}
+
+			while (true) {
+				if (i === seq.length) return lhs;
+				const seg = seq[i];
+				switch (seg.nodeType) {
+					case NodeType.PunctuationToken:
+						switch (seg.tk) {
+							case TK[","]:
+								assert(nestedCall);
+								return lhs;
+							case TK["="]: {
+								assert(allowEq);
+								const right = (i++, read(false));
+								return rs.mockNode(NodeType.ReassignmentExpression, right.loc.cloneFrom(start(lhs)), {
+									tk: TK["="],
+									kind: DelimKind["="],
+									left: lhs,
+									right,
+								});
+							}
+							case TK["::"]:
+								lhs = eatPathSegment(lhs);
+								continue;
+							default:
+								exit.never();
+						}
+					case NodeType.DelimGroup:
+						assert(seg.segments.dk === DelimKind["()"]);
+						return rs.mockNode(NodeType.CallExpression, seq[i++].loc.cloneFrom(start(lhs)), {
+							callee: lhs,
+							typeArguments: undefined,
+							method: undefined,
+							arguments: transform_segments(seg.segments, true),
+						});
+					default:
+						exit.never();
+				}
+			}
+		}
+
+		function eatPathSegment(left: undefined | Identifier | ExpressionPath) {
+			const segment = seq[i + 1];
+			assert(isIdent(segment));
+			const res = rs.mockNode(NodeType.ExpressionPath, segment.loc.cloneFrom(start(left ?? seq[i])), { namespace: left, segment });
+			i += 2;
+			return res;
+		}
+	}
+}

frontend/src/common/prettier/plugins/rust/transform/custom/cfg_if.ts

@@ -0,0 +1,92 @@
+import {
+	DelimGroup,
+	DelimKind,
+	IfBlockExpression,
+	LocArray,
+	MacroInvocation,
+	NodeType,
+	NodeWithBody,
+	rs,
+	Segment,
+	Snippet,
+	StatementNode,
+	TK,
+} from "jinx-rust";
+import { insertNodes, start, transferAttributes } from "jinx-rust/utils";
+import { assert, iLast } from "../../utils/common";
+import { isGroup, isIdent, isToken } from "./utils";
+
+export function transform_macro_cfg_if(segments: MacroInvocation["segments"]) {
+	const danglingAttributes: Snippet["danglingAttributes"] = [];
+	const comments: Snippet["comments"] = [];
+
+	const block = (function create_if_block(i: number): IfBlockExpression | undefined {
+		if (i >= segments.length) return undefined;
+
+		const _if = segments[i];
+		const pound = segments[i + 1];
+		const grp = segments[i + 2];
+		const block = segments[i + 3];
+		const _else = segments[i + 4];
+
+		assert(
+			isIdent(_if, "if") &&
+				isToken(pound, TK["#"]) &&
+				isGroup(grp, DelimKind["[]"]) &&
+				isGroup(block, DelimKind["{}"]) &&
+				(!_else || isIdent(_else, "else"))
+		);
+
+		return create_block(block, (body) =>
+			rs.mockNode(NodeType.IfBlockExpression, block.loc.cloneFrom(start(_if)), {
+				label: undefined,
+				condition: rs.mockNode(NodeType.Attribute, grp.loc.cloneFrom(start(pound)), {
+					segments: grp.segments,
+					value: grp.segments.loc.sliceText(),
+					line: false,
+					inner: false,
+				}) as any,
+				body: body,
+				else: (_else && iLast(i + 5, segments)
+					? function create_else_block(i: number) {
+							const block = segments[i];
+							assert(isGroup(block, DelimKind["{}"]));
+							return create_block(block, (body) =>
+								rs.mockNode(NodeType.BlockExpression, body.loc.clone(), {
+									label: undefined,
+									body,
+								})
+							);
+					  }
+					: create_if_block)(i + 5),
+			})
+		);
+	})(0);
+
+	const ast = rs.createLocArray(
+		segments.dk,
+		segments.loc,
+		block && [
+			rs.mockNode(NodeType.ExpressionStatement, block.loc.clone(), {
+				expression: block,
+				semi: false,
+			}),
+		]
+	);
+
+	return rs.mockNode(NodeType.Snippet, segments.loc.clone(), { ast, danglingAttributes, comments });
+
+	function create_block<R extends NodeWithBody>(
+		group: DelimGroup<Segment> & { segments: { dk: 3 } },
+		fn: (statements: LocArray<StatementNode, "{}">) => R
+	): R {
+		const snippet = rs.toBlockBody(group.segments);
+
+		insertNodes(danglingAttributes, snippet.danglingAttributes);
+		insertNodes(comments, snippet.comments);
+
+		const block = fn(snippet.ast);
+		transferAttributes(snippet, block);
+		return block;
+	}
+}

frontend/src/common/prettier/plugins/rust/transform/custom/utils.ts

@@ -0,0 +1,16 @@
+import { DelimGroup, DelimKind, Identifier, LocArray, PunctuationToken, Segment, TK } from "jinx-rust";
+import { isTK, is_DelimGroup, is_Identifier, is_PunctuationToken } from "jinx-rust/utils";
+
+export function isIdent(node: Segment | undefined, name?: string): node is Identifier {
+	return !!node && is_Identifier(node) && (null == name || node.name === name);
+}
+export function isToken(node: Segment | undefined, tk?: TK): node is PunctuationToken {
+	return !!node && (null == tk ? is_PunctuationToken(node) : isTK(node, tk));
+}
+export function isGroup<D extends DelimKind>(node: Segment | undefined, dk?: D): node is DelimGroup & { segments: LocArray<any, D> } {
+	return !!node && is_DelimGroup(node) && (null == dk || node.segments.dk === dk);
+}
+
+export function isCallLike(tk_1: Segment | undefined, tk_2: Segment | undefined): boolean {
+	return !!tk_1 && !!tk_2 && is_Identifier(tk_1) && is_DelimGroup(tk_2) && tk_2.segments.dk === DelimKind["()"];
+}

frontend/src/common/prettier/plugins/rust/transform/index.ts

@@ -0,0 +1,568 @@
+import {
+	Attribute,
+	AttributeOrDocComment,
+	CallExpression,
+	DelimKind,
+	ExpressionNode,
+	LocArray,
+	MacroInvocation,
+	MemberExpression,
+	Node,
+	NodeType,
+	NodeWithBodyNoBody,
+	NodeWithTypeBounds,
+	NTMap,
+	ProgramLike,
+	rs,
+	Snippet,
+	StatementNode,
+	StructLiteral,
+	StructPattern,
+	TK,
+	TypeBound,
+	TypeBoundsStandaloneNode,
+	TypeDynBounds,
+	TypeTraitBound,
+} from "jinx-rust";
+import {
+	countActualNodeChildren,
+	deleteAttributes,
+	each_childNode,
+	end,
+	getActualNodeChildren,
+	getBodyOrCases,
+	getMacroName,
+	getNodeChildren,
+	hasAttributes,
+	hasMethod,
+	hasTypeBounds,
+	includesTK,
+	insertNode,
+	insertNodes,
+	is_AttributeOrDocComment,
+	is_BareTypeTraitBound,
+	is_BlockExpression,
+	is_CallExpression,
+	is_ClosureFunctionExpression,
+	is_DocCommentAttribute,
+	is_ExpressionStatement,
+	is_ExpressionWithBodyOrCases,
+	is_FlowControlExpression,
+	is_IfBlockExpression,
+	is_MacroInvocation,
+	is_Node,
+	is_NodeWithBodyNoBody,
+	is_NodeWithBodyOrCases,
+	is_Program,
+	is_PunctuationToken,
+	is_ReassignmentNode,
+	is_Snippet,
+	is_TypeBoundsStandaloneNode,
+	is_TypeDynBounds,
+	is_TypeImplBounds,
+	is_TypeTraitBound,
+	ownStart,
+	reassignNodeProperty,
+	start,
+	transferAttributes,
+	unsafe_set_nodeType,
+} from "jinx-rust/utils";
+import { isPrettierIgnoreAttribute, setPrettierIgnoreTarget } from "../format/comments";
+import { is_StructSpread } from "../format/core";
+import { CustomOptions } from "../format/external";
+import { getOptions } from "../format/plugin";
+import {
+	Array_replace,
+	Array_splice,
+	assert,
+	binarySearchIn,
+	each,
+	exit,
+	iLast,
+	last_of,
+	Map_get,
+	spliceAll,
+	try_eval,
+} from "../utils/common";
+import { transform_simpleAttrSyntax } from "./custom/attribute";
+import { transform_macro_cfg_if } from "./custom/cfg_if";
+
+export interface ExpressionLikeAttribute extends Attribute {
+	segments: LocArray<any, "[]">;
+}
+
+export interface CallLikeMacroInvocation extends MacroInvocation {
+	segments: LocArray<any, any>;
+	callee: MacroInvocation["callee"];
+	method: undefined;
+	typeArguments: undefined;
+	arguments: LocArray<ExpressionNode, "()" | "[]" | "{}">;
+}
+
+export interface BlockLikeMacroInvocation extends MacroInvocation {
+	segments: LocArray<any, any>;
+	body: LocArray<StatementNode, "()" | "[]" | "{}">;
+	attributes?: AttributeOrDocComment[];
+}
+
+export function is_CallLikeMacroInvocation(node: Node): node is CallLikeMacroInvocation {
+	return is_MacroInvocation(node) && "arguments" in node;
+}
+
+export function is_BlockLikeMacroInvocation(node: Node): node is BlockLikeMacroInvocation {
+	return is_MacroInvocation(node) && "body" in node;
+}
+
+export function is_CallExpression_or_CallLikeMacroInvocation(node: any): node is CallExpression | CallLikeMacroInvocation {
+	return is_CallExpression(node) || is_CallLikeMacroInvocation(node);
+}
+
+const IGNORED_MACROS = new Set([
+	// std
+	// crates
+	"quote",
+]);
+
+const HARDCODED_MACRO_DELIMS = new Map<string, MacroInvocation["segments"]["dk"]>();
+each(
+	{
+		[DelimKind["{}"]]: [
+			// std
+			"thread_local",
+			// crates
+			"cfg_if",
+		],
+		[DelimKind["()"]]: [
+			// std
+			"assert_eq",
+			"assert_ne",
+			"assert",
+			"cfg",
+			"concat_bytes",
+			"concat_idents",
+			"concat",
+			"debug_assert_eq",
+			"debug_assert_ne",
+			"debug_assert",
+			"eprint",
+			"eprintln",
+			"format_args_nl",
+			"format_args",
+			"format",
+			"matches",
+			"panic",
+			"print",
+			"println",
+			"try",
+			"unimplemented",
+			"unreachable",
+			"write",
+			"writeln",
+			// crates
+		],
+		[DelimKind["[]"]]: [
+			// std
+			"vec",
+			// crates
+		],
+	},
+	(names, tk) =>
+		each(names, (name) => {
+			HARDCODED_MACRO_DELIMS.set(name, +tk as MacroInvocation["segments"]["dk"]);
+		})
+);
+
+let _COMMENTS: CustomOptions["comments"] = undefined!;
+let _DANGLING_ATTRIBUTES: CustomOptions["danglingAttributes"] = undefined!;
+
+export function transform_ast(options: CustomOptions) {
+	try {
+		_COMMENTS = options.comments;
+		_DANGLING_ATTRIBUTES = options.danglingAttributes;
+		transformNode(options.rsParsedFile);
+	} finally {
+		_depth = 0;
+		_COMMENTS = undefined!;
+		_DANGLING_ATTRIBUTES = undefined!;
+	}
+}
+
+let _depth = 0;
+const isReadingSnippet = () => 0 !== _depth;
+
+function maybe_transform_node<T extends Node, S extends Snippet>(
+	node: T,
+	read_snippet: () => S,
+	fn: (node: T, snippet: S) => void
+): T | undefined {
+	const snippet = try_eval(read_snippet);
+	if (snippet) {
+		++_depth;
+		transformNode(snippet);
+		--_depth;
+		fn(node, snippet);
+		transformed.add(node);
+		return node;
+	}
+}
+const transformed = new WeakSet<Node>();
+export function isTransformed(node: Node) {
+	return transformed.has(node);
+}
+
+const transform: { [K in NodeType]?: (node: NTMap[K]) => void } = {
+	[NodeType.Attribute](node) {
+		try_eval(() => {
+			node.segments = rs.createLocArray(node.segments.dk, node.segments.loc.clone(), [
+				transform_simpleAttrSyntax(node.segments),
+			]) as any;
+			transformed.add(node);
+		});
+	},
+	[NodeType.MacroInlineRuleDeclaration](node) {
+		node.match.dk = DelimKind["()"];
+		node.transform.dk = DelimKind["{}"];
+	},
+	[NodeType.MacroInvocation](node) {
+		const name = getMacroName(node);
+
+		if (
+			IGNORED_MACROS.has(name) ||
+			node.segments.length === 0 ||
+			(node.segments.length === 1 && is_PunctuationToken(node.segments[0]))
+		) {
+			return;
+		}
+
+		const tk = transformMacroDelim(name, node);
+
+		if (name === "matches") {
+			//
+		}
+
+		if (name === "if_chain") {
+			//
+		}
+
+		if (name === "cfg_if") {
+			transformBlockLike(() => transform_macro_cfg_if(node.segments) as any);
+		} else if (tk === DelimKind["{}"]) {
+			transformBlockLike(); /* || (includesTK(node, TK[","]) && transformCallLike()); */
+		} else {
+			transformCallLike(); /* || (includesTK(node, TK[";"]) && transformBlockLike()); */
+		}
+
+		function transformBlockLike(transform = () => rs.toBlockBody(node.segments)) {
+			return maybe_transform_node(node as BlockLikeMacroInvocation, transform, (node, snippet) => {
+				const _body = snippet.ast;
+				_body.dk = tk;
+
+				node.body = _body;
+				node.segments = _body;
+				transferAttributes(snippet, node);
+			});
+		}
+
+		function transformCallLike() {
+			return maybe_transform_node(
+				node as CallLikeMacroInvocation,
+				() => rs.toCallExpressionArguments(node.segments),
+				(node, snippet) => {
+					const _arguments = snippet.ast;
+					_arguments.dk = tk;
+
+					node.method = undefined;
+					node.typeArguments = undefined;
+					node.arguments = _arguments;
+					node.segments = _arguments;
+				}
+			);
+		}
+	},
+	[NodeType.CallExpression](node) {
+		if (hasMethod(node)) {
+			node.callee = rs.mockNode(NodeType.MemberExpression, node.method.loc.cloneFrom(start(node.callee)), {
+				expression: node.callee,
+				property: node.method,
+				computed: false,
+			});
+			node.method = undefined!;
+			getOptions().actuallyMethodNodes.add(node.callee as MemberExpression);
+		}
+	},
+
+	[NodeType.AutoTraitDeclaration](node) {
+		mockBodyNoBody(node);
+	},
+	[NodeType.NegativeImplDeclaration](node) {
+		mockBodyNoBody(node);
+	},
+
+	[NodeType.StructLiteral](node) {
+		moveSpreadsToEnd(node);
+	},
+	[NodeType.StructPattern](node) {
+		moveSpreadsToEnd(node);
+	},
+};
+
+function moveSpreadsToEnd(node: StructLiteral | StructPattern) {
+	const props = node.properties;
+	if (props.some((p, i, a) => is_StructSpread(p) && !iLast(i, a))) {
+		const spreads: any[] = [];
+		for (let i = 0; i < props.length; i++) {
+			const prop = props[i];
+			if (is_StructSpread(prop)) {
+				Array_splice(props, prop, i--);
+				spreads.push(prop);
+			}
+		}
+		props.push(...spreads);
+	}
+}
+
+function mockBodyNoBody(node: NodeWithBodyNoBody) {
+	// @ts-expect-error
+	node.body = rs.createLocArray(last_of(rs.toTokens(node).ast).loc.clone(), DelimKind["{}"]);
+}
+
+function transformMacroDelim(name: string, node: MacroInvocation): 1 | 2 | 3 {
+	if (HARDCODED_MACRO_DELIMS.has(name)) {
+		return HARDCODED_MACRO_DELIMS.get(name)!;
+	}
+	if (node.segments.dk === DelimKind["{}"] && includesTK(node, TK[","])) {
+		return DelimKind["()"];
+	}
+	if (node.segments.dk === DelimKind["()"] && includesTK(node, TK[";"])) {
+		return DelimKind["{}"];
+	}
+	return node.segments.dk;
+}
+
+// export function createTransformed<S extends Node>(create: () => S): S {
+// 	return transformNode(create());
+// }
+
+const seen = new WeakSet<Node>();
+function transformNode<T extends Node>(node: T, parent?: Node, key?: string, index?: any): T {
+	if (!seen.has(node)) {
+		seen.add(node);
+		if (is_Snippet(node) || is_Program(node)) {
+			registerPogramLike(node);
+		}
+
+		each_childNode(node, transformNode);
+
+		insert_blocks(node, parent, key, index);
+
+		transform[node.nodeType]?.(node as any);
+
+		flatten_typeBounds(node);
+
+		transform_nodeAttributes(node);
+	}
+	return node;
+}
+
+function insert_blocks(node: Node, parent?: Node, key?: string, index?: any) {
+	if (parent && key) {
+		if (
+			!is_ExpressionStatement(parent) &&
+			(false ||
+				// "1 + break" -> "1 + { break; }"
+				is_FlowControlExpression(node) ||
+				// "1 + a = b" -> "1 + { a = b; }"
+				(!isReadingSnippet() && is_ReassignmentNode(node) && !(is_ReassignmentNode(parent) && parent.left === node)))
+		) {
+			reassignNodeProperty(blockify(node), parent, key, index);
+		} else if (
+			is_ClosureFunctionExpression(node) &&
+			(false ||
+				// "|| -> T x" -> "|| -> T { x }"
+				(!!node.returnType && !is_BlockExpression(node.expression)) ||
+				// "|| match x {}" -> "|| { match x {} }"
+				(is_ExpressionWithBodyOrCases(node.expression) &&
+					!is_BlockExpression(node.expression) &&
+					!is_IfBlockExpression(node.expression)))
+		) {
+			node.expression = blockify(node.expression);
+		}
+	}
+	function blockify(node: ExpressionNode) {
+		const block = rs.mockNode(NodeType.BlockExpression, node.loc.clone(), {
+			label: undefined,
+			body: rs.createLocArray(DelimKind["{}"], node.loc.clone(), [
+				rs.mockNode(NodeType.ExpressionStatement, node.loc.clone(), { semi: false, expression: node }),
+			]),
+		});
+		transferAttributes(node, block);
+		return block;
+	}
+}
+
+function flatten_typeBounds(topNode: Node) {
+	if (hasTypeBounds(topNode)) {
+		const nestedBounds: TypeTraitBound[] = topNode.typeBounds.filter(isBoundWithNestedBounds);
+		const [first, ...subsequent] = nestedBounds;
+
+		const flatten = (bound: TypeTraitBound) =>
+			Array_replace(topNode.typeBounds, bound, ...(bound.typeExpression as unknown as TypeDynBounds).typeBounds);
+
+		if (nestedBounds.every(isBareBoundWithNestedBoundsNoPrefix)) {
+			// A + (B + C)
+			// -> A + B + C
+			each(nestedBounds, flatten);
+		} else if (
+			!hasDefinedPrefix(topNode) &&
+			first === topNode.typeBounds[0] &&
+			!isBareBoundWithNestedBoundsNoPrefix(first) &&
+			subsequent.every(isBareBoundWithNestedBoundsNoPrefix)
+		) {
+			if (is_TypeDynBounds(topNode)) {
+				if (is_TypeImplBounds(first.typeExpression)) {
+					// (impl A) + B
+					// -> impl A + B
+					unsafe_set_nodeType(topNode, NodeType.TypeImplBounds);
+				} else {
+					// (dyn A) + B
+					// -> dyn A + B
+					topNode.dyn = true;
+				}
+				each(nestedBounds, flatten);
+			} else {
+				each(subsequent, flatten);
+				(first.typeExpression as unknown as TypeDynBounds).typeBounds.push(...topNode.typeBounds.slice(1));
+				topNode.typeBounds.length = 1;
+			}
+		}
+	}
+
+	function isBoundWithNestedBounds(bound: TypeBound): bound is TypeTraitBound & { typeExpression: TypeBoundsStandaloneNode } {
+		return is_TypeTraitBound(bound) && is_TypeBoundsStandaloneNode(bound.typeExpression);
+	}
+	function isBareBoundWithNestedBounds(bound: TypeBound): bound is TypeTraitBound & { typeExpression: TypeBoundsStandaloneNode } {
+		return isBoundWithNestedBounds(bound) && is_BareTypeTraitBound(bound);
+	}
+	function isBareBoundWithNestedBoundsNoPrefix(bound: TypeBound): bound is TypeTraitBound & { typeExpression: TypeDynBounds } {
+		return isBareBoundWithNestedBounds(bound) && !hasDefinedPrefix(bound.typeExpression);
+	}
+	function hasDefinedPrefix(node: NodeWithTypeBounds) {
+		return (is_TypeDynBounds(node) && node.dyn) || is_TypeImplBounds(node);
+	}
+}
+
+function transform_nodeAttributes(node: Node) {
+	/**
+	 * # Inside Token trees:
+	 *
+	 *  1. DocCommentAttribute 	--is parsed as--> 	Comment
+	 *  2. Attribute 			--is parsed as--> 	Token<'#'>, DelimGroup<'[]'>
+	 *
+	 * # Transforming tokens into a Snippet:
+	 *
+	 *  1. DocCommentAttribute <--replace from-- Comment
+	 *    a) Remove node with same loc from comments
+	 *    b) Merge Snippet.danglingAttributes with Program.danglingAttributes
+	 *
+	 *  2. Attribute (no action needed)
+	 *
+	 */
+	if (hasAttributes(node)) {
+		const attrs = node.attributes;
+		for (let i = 0; i < attrs.length; i++) {
+			const attr = attrs[i];
+			if (isReadingSnippet() && is_DocCommentAttribute(attr)) {
+				const index = binarySearchIn(_COMMENTS, start(attr), start);
+				__DEV__: assert(index !== -1), assert(end(_COMMENTS[index]) === end(attr));
+				_COMMENTS.splice(index, 1);
+			}
+			if (attr.inner) {
+				if (isPrettierIgnoreAttribute(attr)) {
+					setPrettierIgnoreTarget(is_Program(node) ? node.loc.src : node, attr);
+				}
+				// @ts-expect-error Inserting Attribute into StatementNode[]
+				insertNode(is_Snippet(node) ? node.ast : getBodyOrCases(node)!, attr);
+				Array_splice(attrs, attr, i--);
+			}
+		}
+		if (attrs.length === 0) {
+			deleteAttributes(node);
+		}
+	}
+}
+
+function registerPogramLike(program: Extract<Node, ProgramLike>) {
+	const comments = spliceAll(program.comments);
+	const danglingAttributes = spliceAll(program.danglingAttributes);
+	for (let i = 0; i < danglingAttributes.length; i++) {
+		const attr = danglingAttributes[i];
+		// if (isReadingSnippet() && is_DocCommentAttribute(attr)) {
+		// }
+		if (is_DocCommentAttribute(attr)) {
+			if (isReadingSnippet()) {
+				const index = binarySearchIn(_COMMENTS, start(attr), start);
+				__DEV__: assert(index !== -1), assert(end(_COMMENTS[index]) === end(attr));
+				_COMMENTS.splice(index, 1);
+			}
+		} else {
+			transformNode(danglingAttributes[i], program, "danglingAttributes", i);
+		}
+	}
+	if (!isReadingSnippet()) insertNodes(_COMMENTS, comments);
+	insertNodes(_DANGLING_ATTRIBUTES, danglingAttributes);
+}
+
+const CommentChildNodes = new WeakMap<Node, Node[]>();
+
+export function getCommentChildNodes(n: any): Node[] {
+	const children = Map_get(CommentChildNodes, n, getTransformedNodeChildren);
+	/**
+	 * parent {
+	 *  #[attr]
+	 * 	#![attr] <-------- list misplaced inner attrs as part of "#[attr] child {}"
+	 * 	child {}
+	 * }
+	 */
+	if (is_NodeWithBodyOrCases(n) || is_BlockLikeMacroInvocation(n)) {
+		for (let i = 0; i < children.length; i++) {
+			const attr = children[i];
+			if (is_AttributeOrDocComment(attr)) {
+				const target = children.find((n) => start(n) <= start(attr) && ownStart(n) >= end(attr));
+				if (target) {
+					children.splice(i--, 1);
+					insertNode(Map_get(CommentChildNodes, target, getTransformedNodeChildren), attr);
+				}
+			}
+		}
+	}
+	return children;
+
+	function getTransformedNodeChildren(node: Node) {
+		if (is_Program(node)) node.comments ??= []; // prettier core deletes this property
+		const children = getNodeChildren(node);
+
+		if (is_NodeWithBodyNoBody(node)) {
+			insertNodes(children, (node as any).body);
+		}
+
+		__DEV__: {
+			const actual_count = countActualNodeChildren(node);
+			if (
+				children.length !== actual_count &&
+				!(is_MacroInvocation(node) && actual_count - node.segments.length === children.length)
+			) {
+				const actual = getActualNodeChildren(node);
+				const missing = actual.filter((n) => !children.includes(n));
+				const unknown = children.filter((n) => !actual.includes(n));
+				const duplicates_in_object = actual.filter((n, i, a) => i !== 0 && n === a[i - 1]);
+				const duplicates_in_childNodes = children.filter((n, i, a) => i !== 0 && n === a[i - 1]);
+				const ctx = { missing, unknown, duplicates_in_object, duplicates_in_childNodes };
+				for (let key in ctx) if (ctx[key].length === 0) delete ctx[key];
+				exit(`${node.type} was transformed but did not patch its childNodes list`, ctx, node.loc.url(), node);
+			}
+			for (const child of children)
+				if (!is_Node(child)) exit(`${node.type}'s childNodes includes unexpected entries`, { node, child });
+		}
+		return children;
+	}
+}

frontend/src/common/prettier/plugins/rust/utils/common.ts

@@ -0,0 +1,246 @@
+import { createCustomError } from "./debug";
+
+declare global {
+	interface ImportMeta {
+		url: string;
+	}
+}
+
+export function Narrow<T extends R, R = unknown>(value: R): asserts value is T {}
+export function AssertTypesEq<A extends B, B>(...args: [B] extends [A] ? [] : [RIGHT_TYPES_NOT_ASSIGNABLE_TO_LEFT: Exclude<B, A>]) {}
+
+// prettier-ignore
+type indexof<A> = A extends readonly any[] ? A extends 0 ? any : keyof A & number : A extends Set<unknown> ? never : A extends Map<infer U, unknown> ? U 
+	: A extends Iterable<unknown> ? never : A extends object ? keyof A & (number | string) : never;
+// prettier-ignore
+type valueof<A> = A extends ReadonlyArray<infer U> ? A extends 0 ? any : U : A extends Set<infer U> ? U : A extends Map<unknown, infer U> ? U 
+	: A extends Iterable<infer U> ? U : A extends object ? A[keyof A & (number | string)] : never;
+// prettier-ignore
+type vObject<V extends unknown = unknown, K extends unknown = unknown> = | object | readonly V[] | { [key: string]: V } | anySet<V> | anyMap<K, V>;
+export type itfn<A, R> = (value: valueof<A>, key: indexof<A>) => R;
+type anySet<V extends unknown = unknown> = Set<V>;
+type anyMap<K extends unknown = unknown, V extends unknown = unknown> = Map<K, V>;
+type anyfunction<A extends any[] = unknown[], R = unknown> = (...args: A) => R;
+type objlike = object | anyfunction;
+type anymap<K extends unknown = unknown, V extends unknown = unknown> = K extends objlike ? Map<K, V> | WeakMap<K, V> : Map<K, V>;
+
+export function exit(message: string, ...ctx: any[]): never {
+	if (ctx.length > 0) console.log("Error context:", { ...ctx });
+	throw createCustomError({ message });
+}
+exit.never = function never(...ctx: any[]): never {
+	exit("Reached unreachable code", ...ctx);
+};
+export function assert(predicate: boolean, err?: string, ...ctx: any[]): asserts predicate {
+	__DEV__: if (typeof predicate !== "boolean") exit("Expected boolean", predicate);
+	if (false === predicate) exit(err ?? "Assertion failed", ...ctx);
+}
+export function Identity<T>(v: T): T {
+	return v;
+}
+
+export function last_of<T extends ArrayLike<any>>(arr: T): T extends readonly [...infer A, infer U] ? U : T[number] {
+	__DEV__: isArrayLike(arr) || exit("Expected Array"), arr.length > 0 || exit("Attempted to retrieve last item of an empty array", arr);
+	return arr[arr.length - 1];
+}
+export function maybe_last_of<T extends readonly any[] | undefined>(
+	arr: T
+): T extends any[] ? (T extends readonly [...infer A, infer U] ? U : T[number]) : undefined {
+	return (undefined === arr || 0 === arr.length ? undefined : last_of(arr as any[])) as any;
+}
+
+export function normPath(filepath: string) {
+	return filepath.replace(/^file:\/\/\//, "").replace(/\\\\?/g, "/");
+}
+
+export function print_string(str: string) {
+	return /[\u0000-\u0020]/.test(str)
+		? str
+				.replace(/ /g, "•")
+				.replace(/\n/g, "↲")
+				.replace(/\t/g, "╚")
+				.replace(/[\u0000-\u0020]/g, "□")
+		: str;
+}
+
+function isArrayLike(value: any): value is ArrayLike<unknown> {
+	return is_object(value) && oisArrayLike(value);
+}
+
+function oisArrayLike(value: {}): value is ArrayLike<unknown> {
+	return "length" in value && (0 === (value as any).length || "0" in value);
+}
+
+export function binarySearchIn<T extends {}>(array: ArrayLike<T>, target: number, toValue: (item: T) => number) {
+	if (isEmpty(array)) return -1;
+	let i = 0;
+	let low = 0;
+	let high = array.length - 1;
+	let value = toValue(array[high]);
+	if (target >= value) return high;
+	else high--;
+	while (low <= high) {
+		i = low + ((high - low) >> 1);
+		value = toValue(array[i]);
+		if (target === value) return i;
+		if (target > value) low = i + 1;
+		else high = i - 1;
+	}
+	return low - 1;
+}
+
+export function getTerminalWidth(fallbackWidth = 200) {
+	return globalThis?.process?.stdout?.columns ?? fallbackWidth;
+}
+
+// @ts-ignore
+const isBrowser = typeof window !== "undefined" && typeof window.document !== "undefined";
+export const color = ((cfn, mfn) => ({
+	black: cfn(30),
+	red: cfn(31),
+	green: cfn(32),
+	yellow: cfn(33),
+	blue: cfn(34),
+	magenta: cfn(35),
+	cyan: cfn(36),
+	white: cfn(37),
+	grey: cfn(90),
+	bold: mfn(1, 22),
+	italic: mfn(3, 23),
+	underline: mfn(4, 24),
+	hidden: mfn(8, 28),
+	hiddenCursor: (str: string) => `\x1B[?25l${str}\x1B[?25h`,
+	unstyle: (str: string) => str.replace(/\x1B\[[0-9][0-9]?m/g, ""),
+	unstyledLength: (str: string) => str.replace(/\x1B\[[0-9][0-9]?m/g, "").length,
+	link: (str: string) => color.underline(color.blue(str)),
+}))(
+	(c1: number) => (isBrowser ? Identity : (str: string) => `\x1B[${c1}m${str.replace(/\x1B\[39m/g, `\x1B[${c1}m`)}\x1B[39m`),
+	(c1: number, c2: number) => (isBrowser ? Identity : (str: string) => `\x1B[${c1}m${str}\x1B[${c2}m`)
+);
+export function Map_get<K extends object, V>(map: WeakMap<K, V>, key: K, init: (key: K) => V): V;
+export function Map_get<K, V>(map: Map<K, V>, key: K, init: (key: K) => V): V;
+export function Map_get<K, V>(map: anymap<K, V>, key: K, init: (key: K) => V): V {
+	if (!map.has(key)) map.set(key, init(key));
+	return map.get(key)!;
+}
+export function isEmpty(array: ArrayLike<any>): boolean {
+	__DEV__: assert(isArrayLike(array));
+	return 0 === array.length;
+}
+export function Array_splice<T extends any[]>(array: T, target: T[number], index: number = array.indexOf(target)) {
+	__DEV__: {
+		const i = arguments.length === 2 ? array.indexOf(target) : index;
+		assert(i === index && i !== -1 && i === array.lastIndexOf(target), "", { array, target, index, i });
+	}
+	array.splice(index, 1);
+}
+export function Array_replace<T extends any[]>(array: T, target: T[number], ...replacements: T[number][]) {
+	const i = array.indexOf(target);
+	__DEV__: if (i === -1 || i !== array.lastIndexOf(target))
+		exit("Array_replace", { index: i, lastIndex: array.lastIndexOf(target), array, target, replacements });
+	array.splice(array.indexOf(target), 1, ...replacements);
+}
+export function has_key_defined<T extends object, K extends T extends never ? never : keyof T>(
+	o: T,
+	k: K
+): o is K extends never
+	? never
+	: T extends { [k in K]: any }
+	? T & { [k in K]: {} }
+	: T extends { [k in K]?: any }
+	? T & { [k in K]: {} }
+	: never {
+	return k in o && undefined !== o[k];
+}
+
+export function is_object(data: unknown): data is object | ({ [key: string]: unknown } | unknown[]) {
+	return "object" === typeof data && null !== data;
+}
+
+export function is_array(data: unknown): data is any[] {
+	return Array.isArray(data);
+}
+
+function ois_vobject(data: any) {
+	__DEV__: assert(is_object(data));
+	switch (data.constructor) {
+		case Array:
+		case Object:
+		case Set:
+		case Map:
+			return true;
+		default:
+			return false;
+	}
+}
+
+export function each<A extends vObject>(data: A, callback: itfn<A, void>): void;
+export function each(data: any, callback: (value: any, index: any) => void): void {
+	__DEV__: assert(ois_vobject(data));
+	// prettier-ignore
+	switch (data.constructor) {
+		case Array: { let i = 0; for (; i < data.length; i++) callback(data[i], i); return; }
+		case Object: { let k; for (k in data) callback(data[k], k); return; }
+		case Set: { let d; for (d of data) callback(d, undefined!); return; }
+		case Map: { let e; for (e of data) callback(e[1], e[0]); return; }
+		default:  { let x; for (x of data) callback(x, undefined!); return; }
+	}
+}
+
+export function iLast(index: number, array: any[]) {
+	return 1 + index === array.length;
+}
+
+export function find_last<T>(arr: T[], test: itfn<T[], boolean>): T | undefined {
+	for (var i = arr.length; --i !== -1; ) if (test(arr[i], i)) return arr[i];
+}
+
+export function try_eval<T>(fn: () => T): T | undefined {
+	try {
+		return fn();
+	} catch (e) {
+		return undefined;
+	}
+}
+
+export function clamp(min: number, max: number, value: number) {
+	return value > min ? (value < max ? value : max) : min;
+}
+
+export type MaybeFlatten<T> = T extends ReadonlyArray<infer U> ? MaybeFlatten<Exclude<U, T>> : T;
+export type FlatArray<T> = MaybeFlatten<T>[];
+export function flat<T extends readonly any[]>(arr: T): FlatArray<T> {
+	return (arr as any as [any]).flat(Infinity);
+}
+export function flatMap<T extends readonly any[], R>(arr: T, mapFn: (item: T[number], index: number, array: T) => R): FlatArray<R> {
+	return flat(arr.map(mapFn as any));
+}
+
+export function joinln(...arr: string[]): string {
+	return arr.join("\n");
+}
+
+export function join_lines(fn: () => Generator<string, void, void>): string {
+	return [...fn()].join("\n");
+}
+
+export function reduce_tagged_template<T>(args: [strings: TemplateStringsArray, ...values: T[]], map: (value: T) => string) {
+	for (var str = "" + args[0][0], i = 1; i < args.length; i++) str += map(args[i] as T) + args[0][i];
+	return str;
+}
+
+export function map_tagged_template<T, R>(args: [strings: TemplateStringsArray, ...values: T[]], map: (value: T) => R) {
+	const arr: (R | string)[] = [args[0][0]];
+	for (var i = 1; i < args.length; i++) arr.push(map(args[i] as T), args[0][i]);
+	return arr;
+}
+
+export function spliceAll<T extends any[]>(array: T): [...T] {
+	const r: [...T] = [...array];
+	array.length = 0;
+	return r;
+}
+
+export function spread<R>(fn: () => Iterable<R>): R[] {
+	return [...fn()];
+}

frontend/src/common/prettier/plugins/rust/utils/debug.ts

@@ -0,0 +1,141 @@
+import { clamp, color, getTerminalWidth, normPath } from "./common";
+
+const cwd = 
+	typeof process === "object" && typeof process?.cwd === "function" ? /* @__PURE__ */ normPath(/* @__PURE__ */ process.cwd() ?? "") : "";
+function normPath_strip_cwd(filepath: string) {
+	let normFilePath = normPath(filepath);
+	return normFilePath.startsWith(cwd) ? normFilePath.slice(cwd.length + 1) : normFilePath;
+}
+
+type StackStyleFn = (callee: string, item: StackItem) => (str: string) => string;
+interface Stack extends Array<StackItem> {
+	message: string;
+	style?: { callee?: StackStyleFn; url?: StackStyleFn } | undefined;
+}
+
+class StackLine {
+	declare readonly raw: string;
+	declare readonly callee: string;
+	declare readonly filepath: string;
+	declare readonly line: string;
+	declare readonly col: string;
+	declare readonly other: string;
+	declare readonly url: string;
+	constructor(raw: string) {
+		({
+			1: this.callee = "",
+			2: this.filepath = "",
+			3: this.line = "",
+			4: this.col = "",
+			5: this.other = "",
+		} = (this.raw = raw).match(/at (?:(.+?)\s+\()?(?:(.+?):([0-9]+)(?::([0-9]+))?|([^)]+))\)?/) ?? ["", "", "", "", "", ""]);
+		this.url = this.filepath //
+			? normPath_strip_cwd(this.filepath) + (this.line && this.col && `:${this.line}:${this.col}`)
+			: this.other === "native"
+			? "<native>"
+			: "";
+	}
+}
+
+function getPrintWidth() {
+	return clamp(0, getTerminalWidth(128), 200) - 4;
+}
+
+class StackItem extends StackLine {
+	constructor(private readonly stack: Stack, readonly i: number, raw: string) {
+		super(raw);
+	}
+	hidden = false;
+	hide() {
+		this.hidden = true;
+		return this;
+	}
+	hideNext(n: number) {
+		for (let i = 0; i < n; i++) this.at(i)?.hide();
+	}
+	hideWhileTrue(test: (line: StackItem) => boolean) {
+		let line: StackItem | undefined = this;
+		while (line && test(line)) line = line.hide().next();
+	}
+	at(relIndex: number) {
+		return this.i + relIndex >= this.stack.length || this.i + relIndex < 0 ? undefined : this.stack[this.i + relIndex];
+	}
+	next() {
+		return this.at(+1);
+	}
+	toString() {
+		const url = this.url;
+		const calleeColor = this.stack.style?.callee?.(this.callee, this) ?? color.cyan;
+		const urlColor = this.stack.style?.url?.(url, this) ?? color.grey;
+		return compose2Cols("    at " + calleeColor(this.callee), urlColor(url), getPrintWidth());
+	}
+}
+
+// prettier-ignore
+function createStack(message: string, Error_stack: string, style: Stack["style"]): Stack {
+	for (var STACK: Stack = [] as any, i = 0, stack = Error_stack.split("\n").slice(2); i < stack.length; i++) STACK[i] = new StackItem(STACK, i, stack[i]);
+	return (STACK.message = message), (STACK.style = style), STACK;
+}
+
+function composeStack(stack: Stack) {
+	var hidden = 0;
+	var str = stack.message;
+	for (var item of stack) item.hidden ? ++hidden : (str += "\n" + item.toString());
+	return str + (hidden > 0 ? "\n" + color.grey(compose2Cols("", `...filtered ${hidden} lines`, getPrintWidth())) : "");
+}
+
+export function get_caller_cmd(offset = 0) {
+	const obj: { stack: string } = {} as any;
+	Error.captureStackTrace(obj, get_caller_cmd);
+	const lines = obj.stack.split("\n");
+	return new StackLine(lines[1 + clamp(0, lines.length - 2, offset)]).url;
+}
+
+var Error_prepareStackTrace;
+let replaced_default_prepareStackTrace = false;
+function custom_prepareStackTrace(err, calls) {
+	return (Error_prepareStackTrace?.(err, calls) ?? calls.join("\n"))?.replace(/file:\/\/\//g, "").replace(/\\\\?/g, "/") ?? calls;
+}
+
+export function overrideDefaultError(silent = false) {
+	if (replaced_default_prepareStackTrace === (replaced_default_prepareStackTrace = true)) return;
+	Error_prepareStackTrace = Error.prepareStackTrace ?? ((_, calls) => calls.join("\n"));
+	Error.prepareStackTrace = custom_prepareStackTrace;
+	if (!silent) console.log(color.grey(`[devtools] Replaced Error.prepareStackTrace at ${get_caller_cmd(1)}`));
+}
+
+export function createCustomError({
+	message = "Unknown Error",
+	editStack = (stack: StackItem[]) => {},
+	style = undefined as Stack["style"],
+	stackTraceLimit = 20,
+}): Error {
+	const _stackTraceLimit = Error.stackTraceLimit;
+	const _prepareStackTrace = Error.prepareStackTrace;
+	if (replaced_default_prepareStackTrace && _prepareStackTrace === custom_prepareStackTrace)
+		Error.prepareStackTrace = Error_prepareStackTrace;
+
+	Error.stackTraceLimit = stackTraceLimit;
+
+	const _ctx: { stack: string } = {} as any;
+
+	Error.captureStackTrace(_ctx, createCustomError);
+
+	const stack = createStack(message, _ctx.stack, style);
+	Error.prepareStackTrace = function (err, calls) {
+		editStack(stack);
+		return composeStack(stack);
+	};
+
+	const err = new Error(message); // (get) to trigger prepareStackTrace, (set) to prevent treeshaking
+	err.stack = err.stack;
+
+	Error.stackTraceLimit = _stackTraceLimit;
+	Error.prepareStackTrace = _prepareStackTrace;
+
+	return err;
+}
+
+function compose2Cols(left: string, right: string, len = 64, min = 1) {
+	return left + " ".repeat(clamp(min, len, len - (color.unstyledLength(left) + color.unstyledLength(right)))) + right;
+}

frontend/src/common/prettier/plugins/scala/index.ts

@@ -0,0 +1,109 @@
+import { createScalaPrinter } from "./printer";
+import { parse, type ScalaCstNode, type IToken } from "./scala-parser";
+import { type Plugin, type SupportOption } from "prettier";
+
+/**
+ * Prettierがサポートする言語の定義
+ */
+const languages = [
+  {
+    name: "Scala",
+    parsers: ["scala"],
+    extensions: [".scala", ".sc"],
+    vscodeLanguageIds: ["scala"],
+  },
+];
+
+/**
+ * Scalaパーサーの定義
+ */
+const parsers = {
+  scala: {
+    parse: (text: string) => {
+      const result = parse(text);
+
+      // シンプルなコメント保持: ASTに格納してvisitorで処理
+      const ast = {
+        ...result.cst,
+        comments: [], // Prettierの検証を回避
+        originalComments: result.comments || [], // プラグイン独自のコメント格納
+        type: "compilationUnit",
+      };
+      return ast;
+    },
+    astFormat: "scala-cst",
+    locStart: (node: ScalaCstNode | IToken) => {
+      // Handle comment tokens (from Chevrotain lexer)
+      if ("startOffset" in node && node.startOffset !== undefined) {
+        return node.startOffset;
+      }
+      // Handle CST nodes
+      if ("location" in node && node.location?.startOffset !== undefined) {
+        return node.location.startOffset;
+      }
+      return 0;
+    },
+    locEnd: (node: ScalaCstNode | IToken) => {
+      // Handle comment tokens (from Chevrotain lexer)
+      if ("endOffset" in node && node.endOffset !== undefined) {
+        return node.endOffset + 1; // Chevrotain endOffset is inclusive, Prettier expects exclusive
+      }
+      // Handle CST nodes
+      if ("location" in node && node.location?.endOffset !== undefined) {
+        return node.location.endOffset + 1; // Chevrotain endOffset is inclusive, Prettier expects exclusive
+      }
+      return 1;
+    },
+    hasPragma: () => false,
+  },
+};
+
+/**
+ * プリンターの定義
+ */
+const printers = {
+  "scala-cst": createScalaPrinter(),
+};
+
+/**
+ * プラグインオプション（scalafmt互換性 - フェーズ1）
+ */
+const options: Record<string, SupportOption> = {
+  // Prettier standard options with Scala-specific defaults
+  semi: {
+    type: "boolean",
+    default: false, // Scala convention: omit semicolons
+    description: "Add semicolons at the end of statements",
+    category: "Global",
+  } as const,
+
+  // Deprecated options (backward compatibility)
+  scalaLineWidth: {
+    type: "int",
+    default: 80,
+    description: "Maximum line width (DEPRECATED: use printWidth instead)",
+    category: "Scala",
+  } as const,
+  scalaIndentStyle: {
+    type: "choice",
+    default: "spaces",
+    choices: [
+      { value: "spaces", description: "Use spaces for indentation" },
+      { value: "tabs", description: "Use tabs for indentation" },
+    ],
+    description: "Indentation style (DEPRECATED: use useTabs instead)",
+    category: "Scala",
+  } as const,
+};
+
+/**
+ * Prettierプラグインのエクスポート
+ */
+const plugin: Plugin = {
+  languages,
+  parsers,
+  printers,
+  options,
+};
+
+export default plugin;

frontend/src/common/prettier/plugins/scala/printer.ts

@@ -0,0 +1,91 @@
+import { CstNodeVisitor, type CSTNode } from "./visitor";
+import type { ScalaCstNode, IToken } from "./scala-parser";
+import { type Doc, type Printer, type AstPath, type Options } from "prettier";
+
+/**
+ * Scala用のPrettierプリンターを作成
+ * @returns Prettierプリンターオブジェクト
+ */
+export function createScalaPrinter(): Printer {
+  return {
+    /**
+     * ASTノードをフォーマット済みのテキストに変換
+     * @param path - 現在のノードへのパス
+     * @param options - Prettierオプション
+     * @param print - 子ノードを印刷するための関数
+     * @returns フォーマット済みのDoc
+     */
+    print(
+      path: AstPath<ScalaCstNode>,
+      options: Options,
+      print: (path: AstPath) => Doc,
+    ): Doc {
+      const node = path.getValue();
+
+      const visitor = new CstNodeVisitor();
+      const result = visitor.visit(node, {
+        path,
+        options: {
+          printWidth: options.printWidth,
+          tabWidth: options.tabWidth,
+          useTabs: options.useTabs,
+          semi: options.semi,
+          singleQuote: options.singleQuote,
+          trailingComma:
+            options.trailingComma === "es5" ? "all" : options.trailingComma,
+        },
+        print: (childNode: CSTNode) => {
+          // 子ノード用のモックパスを作成
+          const mockPath = {
+            getValue: () => childNode,
+            call: (fn: () => unknown) => fn(),
+          };
+          return String(print(mockPath as AstPath<unknown>));
+        },
+        indentLevel: 0,
+      });
+
+      // 文字列結果をPrettierのDocに変換
+      return result;
+    },
+    /**
+     * コメントを印刷
+     * @param path - コメントトークンへのパス
+     * @returns フォーマット済みのコメント
+     */
+    printComment(path: AstPath<IToken>): Doc {
+      const comment = path.getValue();
+      if (!comment) return "";
+
+      // Chevrotainのimageプロパティを使用
+      if (typeof comment.image === "string") {
+        return comment.image;
+      }
+
+      // fallback
+      if (typeof comment.image === "string") {
+        return comment.image;
+      }
+
+      // デバッグ: コメント構造を確認
+      console.log("Unexpected comment structure in printComment:", comment);
+      return "";
+    },
+    canAttachComment(): boolean {
+      // コメント機能を一時的に無効化
+      return false;
+    },
+    willPrintOwnComments(): boolean {
+      return false; // Prettier標準のコメント処理を使用しない
+    },
+    insertPragma(text: string): string {
+      return text;
+    },
+    hasPrettierIgnore(): boolean {
+      return false;
+    },
+    isBlockComment(comment: IToken): boolean {
+      return comment.tokenType?.name === "BlockComment";
+    },
+  };
+}

frontend/src/common/prettier/plugins/scala/scala-parser/index.ts

@@ -0,0 +1,206 @@
+import { ScalaLexer } from "./lexer";
+import { parserInstance } from "./parser";
+import type {
+  ParseResult,
+  ScalaCstNode,
+  TokenBounds,
+  LineColumn,
+} from "./types";
+import type { IToken, CstElement } from "chevrotain";
+
+export { ScalaLexer, allTokens } from "./lexer";
+export { ScalaParser, parserInstance } from "./parser";
+export type {
+  ParseResult,
+  ScalaCstNode,
+  TokenBounds,
+  LineColumn,
+} from "./types";
+export type { IToken } from "chevrotain";
+
+/**
+ * CSTノードに位置情報を自動設定するヘルパー関数
+ * @param cst - 処理対象のCSTノード
+ * @param tokens - 解析で使用されたトークンの配列
+ * @param text - 元のソースコードテキスト
+ * @returns 位置情報が付与されたCSTノード
+ */
+function addLocationToCST(
+  cst: ScalaCstNode,
+  tokens: IToken[],
+  text: string,
+): ScalaCstNode {
+  if (!cst || !tokens) return cst;
+
+  // テキストから行の開始位置を計算
+  const lineStarts = [0]; // 最初の行は0から始まる
+  for (let i = 0; i < text.length; i++) {
+    if (text[i] === "\n") {
+      lineStarts.push(i + 1);
+    }
+  }
+
+  // オフセットから行番号と列番号を取得
+  function getLineAndColumn(offset: number): LineColumn {
+    let line = 1;
+    for (let i = 0; i < lineStarts.length - 1; i++) {
+      if (offset >= lineStarts[i] && offset < lineStarts[i + 1]) {
+        line = i + 1;
+        break;
+      }
+    }
+    if (offset >= lineStarts[lineStarts.length - 1]) {
+      line = lineStarts.length;
+    }
+
+    const column = offset - lineStarts[line - 1] + 1;
+    return { line, column };
+  }
+
+  // トークンから最小・最大位置を計算
+  function findTokenBounds(node: ScalaCstNode): TokenBounds | null {
+    if (!node) return null;
+
+    let minStart = Infinity;
+    let maxEnd = -1;
+
+    function findTokensInNode(n: ScalaCstNode | IToken): void {
+      if (!n) return;
+
+      // トークンの場合
+      if (
+        "startOffset" in n &&
+        "endOffset" in n &&
+        n.startOffset !== undefined &&
+        n.endOffset !== undefined
+      ) {
+        minStart = Math.min(minStart, n.startOffset);
+        maxEnd = Math.max(maxEnd, n.endOffset);
+        return;
+      }
+
+      // CSTノードの場合
+      if ("children" in n && n.children) {
+        for (const children of Object.values(n.children)) {
+          if (Array.isArray(children)) {
+            children.forEach((child) => {
+              // CstElementをScalaCstNode | ITokenに安全に変換
+              if ("children" in child) {
+                findTokensInNode(child as ScalaCstNode);
+              } else {
+                findTokensInNode(child as IToken);
+              }
+            });
+          }
+        }
+      }
+    }
+
+    findTokensInNode(node);
+
+    if (minStart === Infinity || maxEnd === -1) {
+      return null;
+    }
+
+    return { start: minStart, end: maxEnd };
+  }
+
+  // 再帰的にCSTノードに位置情報を設定
+  function setCSTLocation(node: ScalaCstNode): ScalaCstNode {
+    if (!node) return node;
+
+    // トークンの場合はそのまま返す
+    if (node.startOffset !== undefined) {
+      return node;
+    }
+
+    // CSTノードの場合
+    if (node.children) {
+      // 子ノードを先に処理
+      const processedChildren: Record<string, CstElement[]> = {};
+      for (const [key, children] of Object.entries(node.children)) {
+        if (Array.isArray(children)) {
+          processedChildren[key] = children.map((child) => {
+            if ("children" in child) {
+              return setCSTLocation(child as ScalaCstNode);
+            }
+            return child; // IToken
+          });
+        }
+      }
+
+      // このノードの位置を計算
+      const bounds = findTokenBounds({ ...node, children: processedChildren });
+
+      if (bounds) {
+        const startLoc = getLineAndColumn(bounds.start);
+        const endLoc = getLineAndColumn(bounds.end);
+
+        return {
+          ...node,
+          children: processedChildren,
+          location: {
+            startOffset: bounds.start,
+            endOffset: bounds.end,
+            startLine: startLoc.line,
+            endLine: endLoc.line,
+            startColumn: startLoc.column,
+            endColumn: endLoc.column,
+          },
+        };
+      } else {
+        return {
+          ...node,
+          children: processedChildren,
+        };
+      }
+    }
+
+    return node;
+  }
+
+  return setCSTLocation(cst);
+}
+
+export function parse(text: string): ParseResult {
+  // Use legacy parser for now until modular parser is fixed
+  return parseLegacy(text);
+}
+
+// Legacy parser function (has left recursion issues)
+export function parseLegacy(text: string): ParseResult {
+  // Tokenize
+  const lexResult = ScalaLexer.tokenize(text);
+
+  if (lexResult.errors.length > 0) {
+    throw new Error(
+      `Lexing errors: ${lexResult.errors.map((e) => e.message).join(", ")}`,
+    );
+  }
+
+  // Parse
+  parserInstance.input = lexResult.tokens;
+  const cst = parserInstance.compilationUnit();
+
+  if (parserInstance.errors.length > 0) {
+    throw new Error(
+      `Parsing errors: ${parserInstance.errors.map((e) => e.message).join(", ")}`,
+    );
+  }
+
+  // CSTに位置情報を追加
+  const cstWithLocation = addLocationToCST(
+    cst as ScalaCstNode,
+    lexResult.tokens,
+    text,
+  );
+
+  return {
+    cst: cstWithLocation,
+    errors: [],
+    comments: lexResult.groups.comments || [],
+  };
+}
+
+// Note: parseModular function was removed as the modular parser integration
+// is still in development. Use the main parse() function instead.

frontend/src/common/prettier/plugins/scala/scala-parser/lexer.ts

@@ -0,0 +1,479 @@
+import { createToken, Lexer, ILexingResult } from "chevrotain";
+
+// Keywords
+export const Val = createToken({ name: "Val", pattern: /val\b/ });
+export const Var = createToken({ name: "Var", pattern: /var\b/ });
+export const Def = createToken({ name: "Def", pattern: /def\b/ });
+export const Class = createToken({ name: "Class", pattern: /class\b/ });
+export const ObjectKeyword = createToken({
+  name: "Object",
+  pattern: /object\b/,
+});
+export const Trait = createToken({ name: "Trait", pattern: /trait\b/ });
+export const Extends = createToken({ name: "Extends", pattern: /extends\b/ });
+export const With = createToken({ name: "With", pattern: /with\b/ });
+export const If = createToken({ name: "If", pattern: /if\b/ });
+export const Else = createToken({ name: "Else", pattern: /else\b/ });
+export const While = createToken({ name: "While", pattern: /while\b/ });
+export const For = createToken({ name: "For", pattern: /for\b/ });
+export const Yield = createToken({ name: "Yield", pattern: /yield\b/ });
+export const Return = createToken({ name: "Return", pattern: /return\b/ });
+export const New = createToken({ name: "New", pattern: /new\b/ });
+export const This = createToken({ name: "This", pattern: /this\b/ });
+export const Super = createToken({ name: "Super", pattern: /super\b/ });
+export const Package = createToken({ name: "Package", pattern: /package\b/ });
+export const Import = createToken({ name: "Import", pattern: /import\b/ });
+export const Case = createToken({ name: "Case", pattern: /case\b/ });
+export const Match = createToken({ name: "Match", pattern: /match\b/ });
+export const Try = createToken({ name: "Try", pattern: /try\b/ });
+export const Catch = createToken({ name: "Catch", pattern: /catch\b/ });
+export const Finally = createToken({ name: "Finally", pattern: /finally\b/ });
+export const Throw = createToken({ name: "Throw", pattern: /throw\b/ });
+export const Null = createToken({ name: "Null", pattern: /null\b/ });
+export const True = createToken({ name: "True", pattern: /true\b/ });
+export const False = createToken({ name: "False", pattern: /false\b/ });
+export const NotImplemented = createToken({
+  name: "NotImplemented",
+  pattern: /\?\?\?/,
+});
+export const Type = createToken({ name: "Type", pattern: /type\b/ });
+export const Private = createToken({ name: "Private", pattern: /private\b/ });
+export const Protected = createToken({
+  name: "Protected",
+  pattern: /protected\b/,
+});
+export const Public = createToken({ name: "Public", pattern: /public\b/ });
+export const Abstract = createToken({
+  name: "Abstract",
+  pattern: /abstract\b/,
+});
+export const Final = createToken({ name: "Final", pattern: /final\b/ });
+export const Sealed = createToken({ name: "Sealed", pattern: /sealed\b/ });
+export const Implicit = createToken({
+  name: "Implicit",
+  pattern: /implicit\b/,
+});
+export const Lazy = createToken({ name: "Lazy", pattern: /lazy\b/ });
+export const Override = createToken({
+  name: "Override",
+  pattern: /override\b/,
+});
+export const Given = createToken({ name: "Given", pattern: /given\b/ });
+export const Using = createToken({ name: "Using", pattern: /using\b/ });
+export const To = createToken({ name: "To", pattern: /to\b/ });
+export const Enum = createToken({ name: "Enum", pattern: /enum\b/ });
+export const Array = createToken({ name: "Array", pattern: /Array\b/ });
+export const Extension = createToken({
+  name: "Extension",
+  pattern: /extension\b/,
+});
+export const Export = createToken({ name: "Export", pattern: /export\b/ });
+export const Opaque = createToken({ name: "Opaque", pattern: /opaque\b/ });
+export const Inline = createToken({ name: "Inline", pattern: /inline\b/ });
+export const Transparent = createToken({
+  name: "Transparent",
+  pattern: /transparent\b/,
+});
+
+// Identifiers (must come after keywords)
+// Enhanced Unicode identifier support following Scala Language Specification
+// Operator identifier for custom operators (e.g., +++, <~>, etc.)
+export const OperatorIdentifier = createToken({
+  name: "OperatorIdentifier",
+  pattern: /[+\-*/%:&|^<>=!~?#@$\\]+/,
+});
+
+// Backward compatible with existing implementation, enhanced mathematical symbol support
+// Supports: Latin, Greek, Cyrillic, CJK, Arabic, Hebrew, Mathematical symbols, Emojis (via surrogate pairs)
+export const Identifier = createToken({
+  name: "Identifier",
+  pattern:
+    /(?:_[a-zA-Z0-9_$\u00C0-\u00FF\u0370-\u03FF\u0400-\u04FF\u3040-\u309F\u30A0-\u30FF\u4E00-\u9FFF\u0590-\u05FF\u0600-\u06FF\u2200-\u22FF\u27C0-\u27EF\u2980-\u29FF\u2A00-\u2AFF]+|[a-zA-Z$\u00C0-\u00FF\u0370-\u03FF\u0400-\u04FF\u3040-\u309F\u30A0-\u30FF\u4E00-\u9FFF\u0590-\u05FF\u0600-\u06FF\u2200-\u22FF\u27C0-\u27EF\u2980-\u29FF\u2A00-\u2AFF][a-zA-Z0-9_$\u00C0-\u00FF\u0370-\u03FF\u0400-\u04FF\u3040-\u309F\u30A0-\u30FF\u4E00-\u9FFF\u0590-\u05FF\u0600-\u06FF\u2200-\u22FF\u27C0-\u27EF\u2980-\u29FF\u2A00-\u2AFF]*)/u,
+});
+
+// Literals
+export const IntegerLiteral = createToken({
+  name: "IntegerLiteral",
+  pattern: /-?\d+[lLiIsSbB]?/,
+});
+
+// Scientific notation literal (must come before FloatingPointLiteral)
+export const ScientificNotationLiteral = createToken({
+  name: "ScientificNotationLiteral",
+  pattern: /-?\d+(\.\d+)?[eE][+-]?\d+[fFdD]?/,
+});
+
+export const FloatingPointLiteral = createToken({
+  name: "FloatingPointLiteral",
+  pattern: /-?\d+\.\d+[fFdD]?|-?\.\d+[fFdD]?/,
+});
+
+export const StringLiteral = createToken({
+  name: "StringLiteral",
+  pattern: /"""[\s\S]*?"""|"([^"\\]|\\.|\\u[0-9A-Fa-f]{4})*"/,
+});
+
+export const InterpolatedStringLiteral = createToken({
+  name: "InterpolatedStringLiteral",
+  pattern:
+    /[a-zA-Z_][a-zA-Z0-9_]*"""[\s\S]*?"""|[a-zA-Z_][a-zA-Z0-9_]*"([^"\\]|\\.|\\u[0-9A-Fa-f]{4}|\$[a-zA-Z_][a-zA-Z0-9_]*|\$\{[^}]*\})*"/,
+});
+
+export const CharLiteral = createToken({
+  name: "CharLiteral",
+  pattern: /'([^'\\]|\\.|\\u[0-9A-Fa-f]{4})'/,
+});
+
+// Operators
+export const Equals = createToken({ name: "Equals", pattern: /=/ });
+export const Plus = createToken({ name: "Plus", pattern: /\+/ });
+export const Minus = createToken({ name: "Minus", pattern: /-/ });
+export const Star = createToken({ name: "Star", pattern: /\*/ });
+export const Slash = createToken({ name: "Slash", pattern: /\// });
+export const Backslash = createToken({ name: "Backslash", pattern: /\\/ });
+export const Percent = createToken({ name: "Percent", pattern: /%/ });
+export const LessThan = createToken({ name: "LessThan", pattern: /</ });
+export const GreaterThan = createToken({ name: "GreaterThan", pattern: />/ });
+export const LessThanEquals = createToken({
+  name: "LessThanEquals",
+  pattern: /<=/,
+});
+export const GreaterThanEquals = createToken({
+  name: "GreaterThanEquals",
+  pattern: />=/,
+});
+export const EqualsEquals = createToken({
+  name: "EqualsEquals",
+  pattern: /==/,
+});
+export const DoubleEquals = EqualsEquals; // Alias for modular parser compatibility
+export const NotEquals = createToken({ name: "NotEquals", pattern: /!=/ });
+export const LogicalAnd = createToken({ name: "LogicalAnd", pattern: /&&/ });
+export const LogicalOr = createToken({ name: "LogicalOr", pattern: /\|\|/ });
+export const Exclamation = createToken({ name: "Exclamation", pattern: /!/ });
+export const Arrow = createToken({ name: "Arrow", pattern: /=>/ });
+export const TypeLambdaArrow = createToken({
+  name: "TypeLambdaArrow",
+  pattern: /=>>/,
+});
+export const DoubleArrow = TypeLambdaArrow; // Alias for modular parser compatibility
+export const LeftArrow = createToken({ name: "LeftArrow", pattern: /<-/ });
+export const RightArrow = createToken({ name: "RightArrow", pattern: /->/ });
+export const ContextArrow = createToken({
+  name: "ContextArrow",
+  pattern: /\?=>/,
+});
+export const SubtypeOf = createToken({ name: "SubtypeOf", pattern: /<:/ });
+export const ColonLess = SubtypeOf; // Alias for modular parser compatibility
+export const SupertypeOf = createToken({ name: "SupertypeOf", pattern: />:/ });
+export const GreaterColon = SupertypeOf; // Alias for modular parser compatibility
+export const AppendOp = createToken({ name: "AppendOp", pattern: /:\+/ });
+export const PlusColon = AppendOp; // Alias for modular parser compatibility
+export const ColonPlus = createToken({ name: "ColonPlus", pattern: /:\+/ }); // Same as AppendOp but separate token for parser
+export const PrependOp = createToken({ name: "PrependOp", pattern: /::/ });
+export const ColonColon = PrependOp; // Alias for modular parser compatibility
+export const ConcatOp = createToken({ name: "ConcatOp", pattern: /\+\+/ });
+export const DoublePlus = ConcatOp; // Alias for modular parser compatibility
+export const AppendEquals = createToken({
+  name: "AppendEquals",
+  pattern: /\+\+=/,
+});
+// Compound assignment operators
+export const PlusEquals = createToken({ name: "PlusEquals", pattern: /\+=/ });
+export const MinusEquals = createToken({ name: "MinusEquals", pattern: /-=/ });
+export const StarEquals = createToken({ name: "StarEquals", pattern: /\*=/ });
+export const SlashEquals = createToken({ name: "SlashEquals", pattern: /\/=/ });
+export const PercentEquals = createToken({
+  name: "PercentEquals",
+  pattern: /%=/,
+});
+// sbt DSL operators
+export const DoublePercent = createToken({
+  name: "DoublePercent",
+  pattern: /%%/,
+});
+// Bitwise operators
+export const BitwiseAnd = createToken({ name: "BitwiseAnd", pattern: /&/ });
+export const BitwiseOr = createToken({ name: "BitwiseOr", pattern: /\|/ });
+export const BitwiseXor = createToken({ name: "BitwiseXor", pattern: /\^/ });
+export const BitwiseTilde = createToken({ name: "BitwiseTilde", pattern: /~/ });
+export const LeftShift = createToken({ name: "LeftShift", pattern: /<</ });
+export const RightShift = createToken({ name: "RightShift", pattern: />>/ });
+export const UnsignedRightShift = createToken({
+  name: "UnsignedRightShift",
+  pattern: />>>/,
+});
+export const Colon = createToken({ name: "Colon", pattern: /:/ });
+export const ColonEquals = createToken({ name: "ColonEquals", pattern: /:=/ });
+export const SbtAssign = ColonEquals; // Alias for sbt compatibility
+export const Semicolon = createToken({ name: "Semicolon", pattern: /;/ });
+export const Comma = createToken({ name: "Comma", pattern: /,/ });
+export const Dot = createToken({ name: "Dot", pattern: /\./ });
+export const Underscore = createToken({
+  name: "Underscore",
+  pattern: /_/,
+});
+export const At = createToken({ name: "At", pattern: /@/ });
+export const Question = createToken({ name: "Question", pattern: /\?/ });
+
+// Quote and Splice tokens for Scala 3 macros
+export const QuoteStart = createToken({ name: "QuoteStart", pattern: /'\{/ });
+export const SpliceStart = createToken({
+  name: "SpliceStart",
+  pattern: /\$\{/,
+});
+
+// Additional tokens for modular parser
+export const Quote = createToken({ name: "Quote", pattern: /'/ });
+export const Dollar = createToken({ name: "Dollar", pattern: /\$/ });
+// QuestionArrow is now alias for ContextArrow to avoid duplicate patterns
+export const QuestionArrow = ContextArrow;
+
+// String interpolation tokens
+export const InterpolatedString = createToken({
+  name: "InterpolatedString",
+  pattern: /s"([^"\\]|\\.|\\u[0-9A-Fa-f]{4})*"/,
+});
+export const FormattedString = createToken({
+  name: "FormattedString",
+  pattern: /f"([^"\\]|\\.|\\u[0-9A-Fa-f]{4})*"/,
+});
+export const RawString = createToken({
+  name: "RawString",
+  pattern: /raw"([^"\\]|\\.|\\u[0-9A-Fa-f]{4})*"/,
+});
+export const CustomInterpolatedString = createToken({
+  name: "CustomInterpolatedString",
+  pattern: /[a-zA-Z_][a-zA-Z0-9_]*"([^"\\]|\\.|\\u[0-9A-Fa-f]{4})*"/,
+});
+
+// Numeric suffix tokens
+export const LongSuffix = createToken({ name: "LongSuffix", pattern: /[lL]/ });
+export const IntSuffix = createToken({ name: "IntSuffix", pattern: /[iI]/ });
+export const ShortSuffix = createToken({
+  name: "ShortSuffix",
+  pattern: /[sS]/,
+});
+export const ByteSuffix = createToken({ name: "ByteSuffix", pattern: /[bB]/ });
+export const FloatSuffix = createToken({
+  name: "FloatSuffix",
+  pattern: /[fF]/,
+});
+export const DoubleSuffix = createToken({
+  name: "DoubleSuffix",
+  pattern: /[dD]/,
+});
+
+// Additional missing tokens
+export const Hash = createToken({ name: "Hash", pattern: /#/ });
+
+// Delimiters
+export const LeftParen = createToken({ name: "LeftParen", pattern: /\(/ });
+export const RightParen = createToken({ name: "RightParen", pattern: /\)/ });
+export const LeftBracket = createToken({ name: "LeftBracket", pattern: /\[/ });
+export const RightBracket = createToken({
+  name: "RightBracket",
+  pattern: /\]/,
+});
+export const LeftBrace = createToken({ name: "LeftBrace", pattern: /\{/ });
+export const RightBrace = createToken({ name: "RightBrace", pattern: /\}/ });
+
+// Whitespace and Comments
+export const WhiteSpace = createToken({
+  name: "WhiteSpace",
+  pattern: /\s+/,
+  group: Lexer.SKIPPED,
+});
+
+export const LineComment = createToken({
+  name: "LineComment",
+  pattern: /\/\/[^\n\r]*/,
+  group: "comments",
+});
+
+export const BlockComment = createToken({
+  name: "BlockComment",
+  pattern: /\/\*([^*]|\*(?!\/))*\*\//,
+  group: "comments",
+});
+
+// All tokens in order
+export const allTokens = [
+  // Comments (must come before operators)
+  LineComment,
+  BlockComment,
+
+  // Whitespace
+  WhiteSpace,
+
+  // Keywords (must come before Identifier)
+  Val,
+  Var,
+  Def,
+  Class,
+  ObjectKeyword,
+  Trait,
+  Extends,
+  With,
+  If,
+  Else,
+  While,
+  For,
+  Yield,
+  Return,
+  New,
+  This,
+  Super,
+  Package,
+  Import,
+  Case,
+  Match,
+  Try,
+  Catch,
+  Finally,
+  Throw,
+  Null,
+  True,
+  False,
+  NotImplemented,
+  Type,
+  Private,
+  Protected,
+  Public,
+  Abstract,
+  Final,
+  Sealed,
+  Implicit,
+  Lazy,
+  Override,
+  Given,
+  Using,
+  To,
+  Enum,
+  Array,
+  Extension,
+  Export,
+  Opaque,
+  Inline,
+  Transparent,
+
+  // Literals
+  ScientificNotationLiteral, // Must come before FloatingPointLiteral
+  FloatingPointLiteral, // Must come before IntegerLiteral
+  IntegerLiteral,
+  // String interpolation literals (must come before StringLiteral)
+  CustomInterpolatedString,
+  InterpolatedString,
+  FormattedString,
+  RawString,
+  InterpolatedStringLiteral, // Must come before StringLiteral
+  StringLiteral,
+  CharLiteral,
+
+  // Multi-character operators (must come before single-character)
+  TypeLambdaArrow, // Must come before Arrow to avoid ambiguity
+  ContextArrow, // Must come before Arrow to avoid ambiguity
+  Arrow,
+  LeftArrow,
+  RightArrow,
+  SubtypeOf,
+  SupertypeOf,
+  LessThanEquals,
+  GreaterThanEquals,
+  EqualsEquals,
+  NotEquals,
+  LogicalAnd,
+  LogicalOr,
+  ColonEquals, // := must come before :
+  AppendOp,
+  PrependOp,
+  AppendEquals, // ++= must come before ++
+  ConcatOp,
+  // Quote and splice tokens (must come before single-character)
+  QuoteStart, // '{ must come before single '
+  SpliceStart, // ${ must come before single $
+  // Compound assignment operators
+  PlusEquals,
+  MinusEquals,
+  StarEquals,
+  SlashEquals,
+  PercentEquals,
+  // Bitwise shift operators (must come before single-character)
+  UnsignedRightShift, // >>> must come before >>
+  LeftShift,
+  RightShift,
+
+  // Single-character operators
+  Equals,
+  Plus,
+  Minus,
+  Star,
+  Slash,
+  Backslash,
+  DoublePercent, // %% must come before single %
+  Percent,
+  LessThan,
+  GreaterThan,
+  Exclamation,
+  BitwiseAnd,
+  BitwiseOr,
+  BitwiseXor,
+  BitwiseTilde,
+  Colon,
+  Semicolon,
+  Comma,
+  Dot,
+  At,
+  // QuestionArrow removed - now an alias for ContextArrow
+  Question,
+  Quote,
+  Dollar,
+  Hash,
+
+  // Delimiters
+  LeftParen,
+  RightParen,
+  LeftBracket,
+  RightBracket,
+  LeftBrace,
+  RightBrace,
+
+  // Operator identifier (before regular identifier)
+  OperatorIdentifier,
+
+  // Identifier (must come before underscore)
+  Identifier,
+
+  // Underscore (must come after identifier to not interfere with _identifier patterns)
+  Underscore,
+];
+
+// レキサーの作成（インポート時の問題を回避するための遅延初期化）
+let scalaLexerInstance: Lexer | null = null;
+
+/**
+ * Scalaコードの字句解析を行うレキサー
+ */
+export const ScalaLexer = {
+  /**
+   * レキサーインスタンスを取得（遅延初期化）
+   * @returns Chevrotainレキサーのインスタンス
+   */
+  get instance(): Lexer {
+    if (!scalaLexerInstance) {
+      scalaLexerInstance = new Lexer(allTokens);
+    }
+    return scalaLexerInstance;
+  },
+  /**
+   * 入力文字列をトークン化
+   * @param input - 字句解析対象のScalaソースコード
+   * @returns トークン化の結果（トークン、エラー、グループ化されたトークン）
+   */
+  tokenize(input: string): ILexingResult {
+    return this.instance.tokenize(input);
+  },
+};
+
+// Export lexer instance for backward compatibility with tests
+export const lexerInstance = ScalaLexer;

frontend/src/common/prettier/plugins/scala/scala-parser/parser/base.ts

@@ -0,0 +1,58 @@
+/**
+ * Base parser module with shared utilities and interfaces
+ */
+import * as tokens from "../lexer";
+import { CstParser, ParserMethod, CstNode } from "chevrotain";
+import type { TokenType } from "chevrotain";
+
+export interface ParserRuleMixin {
+  // Utility methods for parser rules - these need to match CstParser access levels
+  RULE: CstParser["RULE"];
+  SUBRULE: CstParser["SUBRULE"];
+  CONSUME: CstParser["CONSUME"];
+  MANY: CstParser["MANY"];
+  MANY_SEP: CstParser["MANY_SEP"];
+  OPTION: CstParser["OPTION"];
+  OR: CstParser["OR"];
+  AT_LEAST_ONE: CstParser["AT_LEAST_ONE"];
+  AT_LEAST_ONE_SEP: CstParser["AT_LEAST_ONE_SEP"];
+  LA: CstParser["LA"];
+  performSelfAnalysis: CstParser["performSelfAnalysis"];
+}
+
+export abstract class BaseParserModule {
+  protected parser: ParserRuleMixin;
+
+  constructor(parser: ParserRuleMixin) {
+    this.parser = parser;
+  }
+
+  // Helper methods for common patterns
+  protected consumeTokenType(tokenType: TokenType) {
+    return this.parser.CONSUME(tokenType);
+  }
+
+  protected optionalConsume(tokenType: TokenType) {
+    return this.parser.OPTION(() => this.parser.CONSUME(tokenType));
+  }
+
+  protected manyOf(rule: () => void) {
+    return this.parser.MANY(rule);
+  }
+
+  protected oneOf(
+    alternatives: Array<{ ALT: () => void; GATE?: () => boolean }>,
+  ) {
+    return this.parser.OR(alternatives);
+  }
+
+  protected subrule(rule: ParserMethod<unknown[], CstNode>) {
+    return this.parser.SUBRULE(rule);
+  }
+
+  protected lookahead(offset: number) {
+    return this.parser.LA(offset);
+  }
+}
+
+export { tokens };

frontend/src/common/prettier/plugins/scala/scala-parser/parser/definitions.ts

@@ -0,0 +1,179 @@
+/**
+ * Definition parsing module for class, object, trait, method, and variable definitions
+ */
+import { BaseParserModule, tokens } from "./base";
+import type { ParserMethod, CstNode } from "chevrotain";
+
+export class DefinitionParserMixin extends BaseParserModule {
+  // Dependencies from other modules
+  annotation!: ParserMethod<unknown[], CstNode>;
+  modifier!: ParserMethod<unknown[], CstNode>;
+  typeParameters!: ParserMethod<unknown[], CstNode>;
+  classParameters!: ParserMethod<unknown[], CstNode>;
+  extendsClause!: ParserMethod<unknown[], CstNode>;
+  classBody!: ParserMethod<unknown[], CstNode>;
+  type!: ParserMethod<unknown[], CstNode>;
+  expression!: ParserMethod<unknown[], CstNode>;
+  pattern!: ParserMethod<unknown[], CstNode>;
+  parameterLists!: ParserMethod<unknown[], CstNode>;
+
+  // Class definition
+  classDefinition = this.parser.RULE("classDefinition", () => {
+    this.consumeTokenType(tokens.Class);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    // Constructor annotations (for DI patterns like @Inject())
+    this.manyOf(() => this.subrule(this.annotation));
+    // Constructor parameters (multiple parameter lists supported)
+    this.parser.MANY(() => this.subrule(this.classParameters));
+    this.parser.OPTION(() => this.subrule(this.extendsClause));
+    this.parser.OPTION(() => this.subrule(this.classBody));
+  });
+
+  // Object definition
+  objectDefinition = this.parser.RULE("objectDefinition", () => {
+    this.consumeTokenType(tokens.ObjectKeyword);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.extendsClause));
+    this.parser.OPTION(() => this.subrule(this.classBody));
+  });
+
+  // Trait definition
+  traitDefinition = this.parser.RULE("traitDefinition", () => {
+    this.consumeTokenType(tokens.Trait);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    this.parser.OPTION(() => this.subrule(this.extendsClause));
+    this.parser.OPTION(() => this.subrule(this.classBody));
+  });
+
+  // Enum definition (Scala 3)
+  enumDefinition = this.parser.RULE("enumDefinition", () => {
+    this.consumeTokenType(tokens.Enum);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    this.parser.OPTION(() => this.subrule(this.classParameters));
+    this.parser.OPTION(() => this.subrule(this.extendsClause));
+    this.consumeTokenType(tokens.LeftBrace);
+    this.manyOf(() => this.subrule(this.enumCaseDef));
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  enumCaseDef = this.parser.RULE("enumCaseDef", () => {
+    this.consumeTokenType(tokens.Case);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.classParameters));
+    this.parser.OPTION(() => this.subrule(this.extendsClause));
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+  });
+
+  // Extension definition (Scala 3)
+  extensionDefinition = this.parser.RULE("extensionDefinition", () => {
+    this.consumeTokenType(tokens.Extension);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    this.consumeTokenType(tokens.LeftParen);
+    this.consumeTokenType(tokens.Identifier);
+    this.consumeTokenType(tokens.Colon);
+    this.subrule(this.type);
+    this.consumeTokenType(tokens.RightParen);
+    this.consumeTokenType(tokens.LeftBrace);
+    this.manyOf(() => this.subrule(this.extensionMemberDef));
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  extensionMemberDef = this.parser.RULE("extensionMemberDef", () => {
+    this.manyOf(() => this.subrule(this.modifier));
+    this.subrule(this.defDefinition);
+  });
+
+  // Val definition
+  valDefinition = this.parser.RULE("valDefinition", () => {
+    this.consumeTokenType(tokens.Val);
+    this.oneOf([
+      {
+        // Simple variable with optional type: val x: Type = expr or val x: Type (abstract)
+        ALT: () => {
+          this.consumeTokenType(tokens.Identifier);
+          this.parser.OPTION(() => {
+            this.consumeTokenType(tokens.Colon);
+            this.subrule(this.type);
+          });
+          this.parser.OPTION(() => {
+            this.consumeTokenType(tokens.Equals);
+            this.subrule(this.expression);
+          });
+        },
+        GATE: () => {
+          // This alternative is for simple identifier patterns only
+          // Must handle: val x = ..., val x: Type = ..., val x: Type (abstract)
+          // Must NOT handle: val (x, y) = ..., val SomeClass(...) = ...
+          const first = this.lookahead(1);
+          const second = this.lookahead(2);
+
+          // If first token is not identifier, this is not a simple val
+          if (!first || first.tokenType !== tokens.Identifier) return false;
+
+          // If second token is left paren, this is a constructor pattern
+          if (second && second.tokenType === tokens.LeftParen) return false;
+
+          // Otherwise, this is a simple identifier (with or without type, with or without assignment)
+          return true;
+        },
+      },
+      {
+        // Pattern matching: val (x, y) = expr or val SomeClass(...) = expr
+        ALT: () => {
+          this.subrule(this.pattern);
+          this.consumeTokenType(tokens.Equals);
+          this.subrule(this.expression);
+        },
+      },
+    ]);
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+  });
+
+  // Var definition
+  varDefinition = this.parser.RULE("varDefinition", () => {
+    this.consumeTokenType(tokens.Var);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Colon);
+      this.subrule(this.type);
+    });
+    this.consumeTokenType(tokens.Equals);
+    this.subrule(this.expression);
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+  });
+
+  // Method definition
+  defDefinition = this.parser.RULE("defDefinition", () => {
+    this.consumeTokenType(tokens.Def);
+    this.oneOf([
+      // Regular method name
+      { ALT: () => this.consumeTokenType(tokens.Identifier) },
+      // Constructor (this keyword)
+      { ALT: () => this.consumeTokenType(tokens.This) },
+    ]);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    this.parser.OPTION(() => this.subrule(this.parameterLists));
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Colon);
+      this.subrule(this.type);
+    });
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Equals);
+      this.subrule(this.expression);
+    });
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+  });
+
+  // Type definition
+  typeDefinition = this.parser.RULE("typeDefinition", () => {
+    this.consumeTokenType(tokens.Type);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    this.consumeTokenType(tokens.Equals);
+    this.subrule(this.type);
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+  });
+}

frontend/src/common/prettier/plugins/scala/scala-parser/parser/expressions.ts

@@ -0,0 +1,425 @@
+/**
+ * Expression parsing module for all types of expressions in Scala
+ */
+import { BaseParserModule, tokens } from "./base";
+import type { ParserMethod, CstNode } from "chevrotain";
+
+export class ExpressionParserMixin extends BaseParserModule {
+  // Dependencies from other modules
+  annotation!: ParserMethod<unknown[], CstNode>;
+  modifier!: ParserMethod<unknown[], CstNode>;
+  type!: ParserMethod<unknown[], CstNode>;
+  literal!: ParserMethod<unknown[], CstNode>;
+  qualifiedIdentifier!: ParserMethod<unknown[], CstNode>;
+  pattern!: ParserMethod<unknown[], CstNode>;
+  parameterLists!: ParserMethod<unknown[], CstNode>;
+  typeArgument!: ParserMethod<unknown[], CstNode>;
+  caseClause!: ParserMethod<unknown[], CstNode>;
+  generator!: ParserMethod<unknown[], CstNode>;
+
+  // Main expression rule
+  expression = this.parser.RULE("expression", () => {
+    this.parser.OR([
+      // Polymorphic function literal (Scala 3)
+      {
+        ALT: () => this.subrule(this.polymorphicFunctionLiteral),
+        GATE: () => {
+          const la1 = this.parser.LA(1);
+          return la1?.tokenType === tokens.LeftBracket;
+        },
+      },
+      // Regular expressions
+      { ALT: () => this.subrule(this.assignmentOrInfixExpression) },
+    ]);
+  });
+
+  // Assignment or infix expression
+  assignmentOrInfixExpression = this.parser.RULE(
+    "assignmentOrInfixExpression",
+    () => {
+      this.subrule(this.postfixExpression);
+      this.parser.MANY(() => {
+        this.subrule(this.infixOperator);
+        this.subrule(this.postfixExpression);
+      });
+    },
+  );
+
+  // Postfix expression
+  postfixExpression = this.parser.RULE("postfixExpression", () => {
+    this.subrule(this.primaryExpression);
+    this.parser.MANY(() => {
+      this.parser.OR([
+        // Method call with parentheses
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.LeftParen);
+            this.parser.MANY_SEP({
+              SEP: tokens.Comma,
+              DEF: () => this.subrule(this.expression),
+            });
+            this.consumeTokenType(tokens.RightParen);
+          },
+        },
+        // Type arguments
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.LeftBracket);
+            this.parser.MANY_SEP({
+              SEP: tokens.Comma,
+              DEF: () => this.subrule(this.typeArgument),
+            });
+            this.consumeTokenType(tokens.RightBracket);
+          },
+        },
+        // Member access
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.Dot);
+            this.consumeTokenType(tokens.Identifier);
+          },
+        },
+        // Postfix operator (like Ask pattern ?)
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.Question);
+          },
+        },
+      ]);
+    });
+  });
+
+  // Primary expression
+  primaryExpression = this.parser.RULE("primaryExpression", () => {
+    this.parser.OR([
+      // Literals
+      { ALT: () => this.subrule(this.literal) },
+      // Identifier
+      { ALT: () => this.consumeTokenType(tokens.Identifier) },
+      // This and super
+      { ALT: () => this.consumeTokenType(tokens.This) },
+      { ALT: () => this.consumeTokenType(tokens.Super) },
+      // Underscore (placeholder)
+      { ALT: () => this.consumeTokenType(tokens.Underscore) },
+      // Parenthesized expression
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftParen);
+          this.parser.OPTION(() => this.subrule(this.expression));
+          this.consumeTokenType(tokens.RightParen);
+        },
+      },
+      // Block expression
+      { ALT: () => this.subrule(this.blockExpression) },
+      // New expression
+      { ALT: () => this.subrule(this.newExpression) },
+      // Partial function literal
+      { ALT: () => this.subrule(this.partialFunctionLiteral) },
+      // Quote expression (Scala 3)
+      { ALT: () => this.subrule(this.quoteExpression) },
+      // Splice expression (Scala 3)
+      { ALT: () => this.subrule(this.spliceExpression) },
+      // If expression
+      { ALT: () => this.subrule(this.ifExpression) },
+      // While expression
+      { ALT: () => this.subrule(this.whileExpression) },
+      // Try expression
+      { ALT: () => this.subrule(this.tryExpression) },
+      // For expression
+      { ALT: () => this.subrule(this.forExpression) },
+      // Match expression
+      {
+        ALT: () => {
+          this.subrule(this.expression);
+          this.consumeTokenType(tokens.Match);
+          this.consumeTokenType(tokens.LeftBrace);
+          this.parser.MANY(() => this.subrule(this.caseClause));
+          this.consumeTokenType(tokens.RightBrace);
+        },
+      },
+      // Lambda expression
+      {
+        ALT: () => {
+          this.parser.OR([
+            // Simple identifier lambda: x =>
+            {
+              ALT: () => {
+                this.consumeTokenType(tokens.Identifier);
+              },
+            },
+            // Multiple parameters with optional types: (x, y) =>
+            {
+              ALT: () => {
+                this.consumeTokenType(tokens.LeftParen);
+                this.parser.MANY_SEP({
+                  SEP: tokens.Comma,
+                  DEF: () => {
+                    this.consumeTokenType(tokens.Identifier);
+                    this.parser.OPTION(() => {
+                      this.consumeTokenType(tokens.Colon);
+                      this.subrule(this.type);
+                    });
+                  },
+                });
+                this.consumeTokenType(tokens.RightParen);
+              },
+            },
+          ]);
+          this.consumeTokenType(tokens.Arrow);
+          this.subrule(this.expression);
+        },
+        GATE: () => {
+          const la1 = this.parser.LA(1);
+          const la2 = this.parser.LA(2);
+
+          // Simple lambda: identifier =>
+          if (
+            la1?.tokenType === tokens.Identifier &&
+            la2?.tokenType === tokens.Arrow
+          ) {
+            return true;
+          }
+
+          // Parenthesized lambda: ( ... ) =>
+          if (la1?.tokenType === tokens.LeftParen) {
+            let i = 2;
+            let parenCount = 1;
+            while (parenCount > 0 && this.parser.LA(i)) {
+              const token = this.parser.LA(i);
+              if (token?.tokenType === tokens.LeftParen) parenCount++;
+              if (token?.tokenType === tokens.RightParen) parenCount--;
+              i++;
+            }
+            return this.parser.LA(i)?.tokenType === tokens.Arrow;
+          }
+
+          return false;
+        },
+      },
+    ]);
+  });
+
+  // Infix operator
+  infixOperator = this.parser.RULE("infixOperator", () => {
+    this.parser.OR([
+      // Special compound assignment operators
+      { ALT: () => this.consumeTokenType(tokens.PlusEquals) },
+      { ALT: () => this.consumeTokenType(tokens.MinusEquals) },
+      { ALT: () => this.consumeTokenType(tokens.StarEquals) },
+      { ALT: () => this.consumeTokenType(tokens.SlashEquals) },
+      { ALT: () => this.consumeTokenType(tokens.PercentEquals) },
+      { ALT: () => this.consumeTokenType(tokens.AppendEquals) },
+      // sbt-specific operators
+      { ALT: () => this.consumeTokenType(tokens.SbtAssign) },
+      { ALT: () => this.consumeTokenType(tokens.DoublePercent) },
+      // Basic operators
+      { ALT: () => this.consumeTokenType(tokens.Plus) },
+      { ALT: () => this.consumeTokenType(tokens.Minus) },
+      { ALT: () => this.consumeTokenType(tokens.Star) },
+      { ALT: () => this.consumeTokenType(tokens.Slash) },
+      { ALT: () => this.consumeTokenType(tokens.Percent) },
+      // Comparison operators
+      { ALT: () => this.consumeTokenType(tokens.Equals) },
+      { ALT: () => this.consumeTokenType(tokens.EqualsEquals) }, // Use EqualsEquals instead of DoubleEquals
+      { ALT: () => this.consumeTokenType(tokens.NotEquals) },
+      { ALT: () => this.consumeTokenType(tokens.LessThan) }, // Use LessThan instead of Less
+      { ALT: () => this.consumeTokenType(tokens.GreaterThan) }, // Use GreaterThan instead of Greater
+      { ALT: () => this.consumeTokenType(tokens.LessThanEquals) }, // Use LessThanEquals instead of LessEquals
+      { ALT: () => this.consumeTokenType(tokens.GreaterThanEquals) }, // Use GreaterThanEquals instead of GreaterEquals
+      // Logical operators
+      { ALT: () => this.consumeTokenType(tokens.LogicalAnd) }, // Use LogicalAnd instead of DoubleAmpersand
+      { ALT: () => this.consumeTokenType(tokens.LogicalOr) }, // Use LogicalOr instead of DoublePipe
+      // Bitwise operators
+      { ALT: () => this.consumeTokenType(tokens.BitwiseAnd) }, // Use BitwiseAnd instead of Ampersand
+      { ALT: () => this.consumeTokenType(tokens.BitwiseOr) }, // Use BitwiseOr instead of Pipe
+      { ALT: () => this.consumeTokenType(tokens.BitwiseXor) }, // Use BitwiseXor instead of Caret
+      // Shift operators
+      { ALT: () => this.consumeTokenType(tokens.LeftShift) }, // Use LeftShift instead of DoubleLeftAngle
+      { ALT: () => this.consumeTokenType(tokens.RightShift) }, // Use RightShift instead of DoubleRightAngle
+      { ALT: () => this.consumeTokenType(tokens.UnsignedRightShift) }, // Use UnsignedRightShift instead of TripleRightAngle
+      // Type operators
+      { ALT: () => this.consumeTokenType(tokens.Colon) },
+      { ALT: () => this.consumeTokenType(tokens.ColonEquals) },
+      // Collection operators
+      { ALT: () => this.consumeTokenType(tokens.ConcatOp) }, // Use ConcatOp instead of DoublePlus
+      { ALT: () => this.consumeTokenType(tokens.PrependOp) }, // Use PrependOp instead of ColonColon
+      { ALT: () => this.consumeTokenType(tokens.AppendOp) }, // Use AppendOp instead of ColonPlus/PlusColon
+      // XML operators
+      { ALT: () => this.consumeTokenType(tokens.Backslash) },
+      // General operator
+      { ALT: () => this.consumeTokenType(tokens.OperatorIdentifier) },
+      // Identifier as operator (for named methods used as infix)
+      {
+        ALT: () => this.consumeTokenType(tokens.Identifier),
+      },
+    ]);
+  });
+
+  // Polymorphic function literal (Scala 3)
+  polymorphicFunctionLiteral = this.parser.RULE(
+    "polymorphicFunctionLiteral",
+    () => {
+      this.consumeTokenType(tokens.LeftBracket);
+      this.parser.MANY_SEP({
+        SEP: tokens.Comma,
+        DEF: () => this.subrule(this.polymorphicTypeParameter),
+      });
+      this.consumeTokenType(tokens.RightBracket);
+      this.consumeTokenType(tokens.Arrow);
+      this.subrule(this.expression);
+    },
+  );
+
+  // New expression
+  newExpression = this.parser.RULE("newExpression", () => {
+    this.consumeTokenType(tokens.New);
+    this.parser.OR([
+      // New with class instantiation
+      {
+        ALT: () => {
+          this.subrule(this.type);
+          this.parser.MANY(() => {
+            this.consumeTokenType(tokens.LeftParen);
+            this.parser.MANY_SEP({
+              SEP: tokens.Comma,
+              DEF: () => this.subrule(this.expression),
+            });
+            this.consumeTokenType(tokens.RightParen);
+          });
+        },
+      },
+      // New with anonymous class
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftBrace);
+          // Class body content
+          this.consumeTokenType(tokens.RightBrace);
+        },
+      },
+    ]);
+  });
+
+  // Block expression
+  blockExpression = this.parser.RULE("blockExpression", () => {
+    this.consumeTokenType(tokens.LeftBrace);
+    this.parser.MANY(() => {
+      this.subrule(this.blockStatement);
+      this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+    });
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  // Partial function literal
+  partialFunctionLiteral = this.parser.RULE("partialFunctionLiteral", () => {
+    this.consumeTokenType(tokens.LeftBrace);
+    this.parser.AT_LEAST_ONE(() => this.subrule(this.caseClause));
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  // Quote expression (Scala 3)
+  quoteExpression = this.parser.RULE("quoteExpression", () => {
+    this.consumeTokenType(tokens.Quote);
+    this.consumeTokenType(tokens.LeftBrace);
+    this.subrule(this.expression);
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  // Splice expression (Scala 3)
+  spliceExpression = this.parser.RULE("spliceExpression", () => {
+    this.consumeTokenType(tokens.Dollar);
+    this.consumeTokenType(tokens.LeftBrace);
+    this.subrule(this.expression);
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  // If expression
+  ifExpression = this.parser.RULE("ifExpression", () => {
+    this.consumeTokenType(tokens.If);
+    this.consumeTokenType(tokens.LeftParen);
+    this.subrule(this.expression);
+    this.consumeTokenType(tokens.RightParen);
+    this.subrule(this.expression);
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Else);
+      this.subrule(this.expression);
+    });
+  });
+
+  // While expression
+  whileExpression = this.parser.RULE("whileExpression", () => {
+    this.consumeTokenType(tokens.While);
+    this.consumeTokenType(tokens.LeftParen);
+    this.subrule(this.expression);
+    this.consumeTokenType(tokens.RightParen);
+    this.subrule(this.expression);
+  });
+
+  // Try expression
+  tryExpression = this.parser.RULE("tryExpression", () => {
+    this.consumeTokenType(tokens.Try);
+    this.subrule(this.expression);
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Catch);
+      this.parser.OR([
+        // Pattern-based catch
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.LeftBrace);
+            this.parser.MANY(() => this.subrule(this.caseClause));
+            this.consumeTokenType(tokens.RightBrace);
+          },
+        },
+        // Expression-based catch
+        {
+          ALT: () => this.subrule(this.expression),
+        },
+      ]);
+    });
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Finally);
+      this.subrule(this.expression);
+    });
+  });
+
+  // For expression/comprehension
+  forExpression = this.parser.RULE("forExpression", () => {
+    this.consumeTokenType(tokens.For);
+    this.parser.OR([
+      // For with parentheses
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftParen);
+          this.parser.AT_LEAST_ONE_SEP({
+            SEP: tokens.Semicolon,
+            DEF: () => this.subrule(this.generator),
+          });
+          this.consumeTokenType(tokens.RightParen);
+        },
+      },
+      // For with braces
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftBrace);
+          this.parser.MANY(() => this.subrule(this.generator));
+          this.consumeTokenType(tokens.RightBrace);
+        },
+      },
+    ]);
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Yield));
+    this.subrule(this.expression);
+  });
+
+  // Helper rule dependencies (to be implemented in other modules)
+  polymorphicTypeParameter = this.parser.RULE(
+    "polymorphicTypeParameter",
+    () => {
+      // Placeholder - should be in types.ts
+      this.consumeTokenType(tokens.Identifier);
+    },
+  );
+
+  blockStatement = this.parser.RULE("blockStatement", () => {
+    // Placeholder - should be in statements.ts
+    this.subrule(this.expression);
+  });
+}

frontend/src/common/prettier/plugins/scala/scala-parser/parser/literals.ts

@@ -0,0 +1,126 @@
+/**
+ * Literal parsing module for all Scala literal types
+ */
+import { BaseParserModule, tokens } from "./base";
+
+// Module for literal parsing - no additional imports needed
+
+export class LiteralParserMixin extends BaseParserModule {
+  // Main literal rule
+  literal = this.parser.RULE("literal", () => {
+    this.parser.OR([
+      // Numeric literals
+      { ALT: () => this.consumeTokenType(tokens.IntegerLiteral) },
+      { ALT: () => this.consumeTokenType(tokens.FloatingPointLiteral) },
+      { ALT: () => this.consumeTokenType(tokens.ScientificNotationLiteral) },
+
+      // Boolean literals
+      { ALT: () => this.consumeTokenType(tokens.True) },
+      { ALT: () => this.consumeTokenType(tokens.False) },
+
+      // Character literal
+      { ALT: () => this.consumeTokenType(tokens.CharLiteral) },
+
+      // String literals
+      { ALT: () => this.consumeTokenType(tokens.StringLiteral) },
+      { ALT: () => this.consumeTokenType(tokens.InterpolatedStringLiteral) },
+
+      // Interpolated strings
+      { ALT: () => this.subrule(this.interpolatedString) },
+
+      // Null literal
+      { ALT: () => this.consumeTokenType(tokens.Null) },
+
+      // Unit literal ()
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftParen);
+          this.consumeTokenType(tokens.RightParen);
+        },
+      },
+    ]);
+  });
+
+  // Interpolated string
+  interpolatedString = this.parser.RULE("interpolatedString", () => {
+    this.parser.OR([
+      // s-interpolator
+      { ALT: () => this.consumeTokenType(tokens.InterpolatedString) },
+      // f-interpolator
+      { ALT: () => this.consumeTokenType(tokens.FormattedString) },
+      // raw-interpolator
+      { ALT: () => this.consumeTokenType(tokens.RawString) },
+      // Custom interpolator
+      { ALT: () => this.consumeTokenType(tokens.CustomInterpolatedString) },
+    ]);
+  });
+
+  // Numeric literal with suffix
+  numericLiteral = this.parser.RULE("numericLiteral", () => {
+    this.parser.OR([
+      // Integer types
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.IntegerLiteral);
+          this.parser.OPTION(() => {
+            this.parser.OR([
+              { ALT: () => this.consumeTokenType(tokens.LongSuffix) },
+              { ALT: () => this.consumeTokenType(tokens.IntSuffix) },
+              { ALT: () => this.consumeTokenType(tokens.ShortSuffix) },
+              { ALT: () => this.consumeTokenType(tokens.ByteSuffix) },
+            ]);
+          });
+        },
+      },
+      // Floating point types
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.FloatingPointLiteral);
+          this.parser.OPTION(() => {
+            this.parser.OR([
+              { ALT: () => this.consumeTokenType(tokens.FloatSuffix) },
+              { ALT: () => this.consumeTokenType(tokens.DoubleSuffix) },
+            ]);
+          });
+        },
+      },
+    ]);
+  });
+
+  // XML literal (if XML support is needed)
+  xmlLiteral = this.parser.RULE("xmlLiteral", () => {
+    // Placeholder for XML literals
+    // This would require XML-specific lexing
+    this.consumeTokenType(tokens.StringLiteral);
+  });
+
+  // Collection literal patterns (syntactic sugar)
+  collectionLiteral = this.parser.RULE("collectionLiteral", () => {
+    this.parser.OR([
+      // List literal: List(1, 2, 3)
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Identifier); // List, Set, etc.
+          this.consumeTokenType(tokens.LeftParen);
+          this.parser.MANY_SEP({
+            SEP: tokens.Comma,
+            DEF: () => this.subrule(this.literal),
+          });
+          this.consumeTokenType(tokens.RightParen);
+        },
+      },
+      // Array literal: Array(1, 2, 3)
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Array);
+          this.consumeTokenType(tokens.LeftParen);
+          this.parser.MANY_SEP({
+            SEP: tokens.Comma,
+            DEF: () => this.subrule(this.literal),
+          });
+          this.consumeTokenType(tokens.RightParen);
+        },
+      },
+    ]);
+  });
+}

frontend/src/common/prettier/plugins/scala/scala-parser/parser/patterns.ts

@@ -0,0 +1,243 @@
+/**
+ * Pattern matching parsing module
+ */
+import { BaseParserModule, tokens } from "./base";
+import type { ParserMethod, CstNode } from "chevrotain";
+
+export class PatternParserMixin extends BaseParserModule {
+  // Dependencies from other modules
+  literal!: ParserMethod<unknown[], CstNode>;
+  qualifiedIdentifier!: ParserMethod<unknown[], CstNode>;
+  type!: ParserMethod<unknown[], CstNode>;
+  expression!: ParserMethod<unknown[], CstNode>;
+
+  // Pattern rule
+  pattern = this.parser.RULE("pattern", () => {
+    this.parser.OR([
+      // Wildcard pattern: _
+      { ALT: () => this.consumeTokenType(tokens.Underscore) },
+      // Literal pattern
+      { ALT: () => this.subrule(this.literal) },
+      // Variable pattern (lowercase identifier)
+      {
+        ALT: () => this.consumeTokenType(tokens.Identifier),
+        GATE: () => {
+          const la1 = this.parser.LA(1);
+          if (la1?.tokenType !== tokens.Identifier) return false;
+          const firstChar = la1.image[0];
+          return (
+            firstChar === firstChar.toLowerCase() &&
+            firstChar !== firstChar.toUpperCase()
+          );
+        },
+      },
+      // Stable identifier pattern (uppercase or qualified)
+      {
+        ALT: () => this.subrule(this.qualifiedIdentifier),
+      },
+      // Constructor pattern: Type(patterns...)
+      {
+        ALT: () => {
+          this.subrule(this.qualifiedIdentifier);
+          this.consumeTokenType(tokens.LeftParen);
+          this.parser.MANY_SEP({
+            SEP: tokens.Comma,
+            DEF: () => this.subrule(this.pattern),
+          });
+          this.consumeTokenType(tokens.RightParen);
+        },
+        GATE: () => {
+          // Look for Constructor(...)
+          let i = 1;
+          while (this.parser.LA(i)?.tokenType === tokens.Identifier) {
+            if (this.parser.LA(i + 1)?.tokenType === tokens.Dot) {
+              i += 2;
+            } else {
+              return this.parser.LA(i + 1)?.tokenType === tokens.LeftParen;
+            }
+          }
+          return false;
+        },
+      },
+      // Tuple pattern: (p1, p2, ...)
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftParen);
+          this.parser.MANY_SEP({
+            SEP: tokens.Comma,
+            DEF: () => this.subrule(this.pattern),
+          });
+          this.consumeTokenType(tokens.RightParen);
+        },
+      },
+      // Typed pattern: pattern : Type
+      {
+        ALT: () => {
+          this.subrule(this.pattern);
+          this.consumeTokenType(tokens.Colon);
+          this.subrule(this.type);
+        },
+        GATE: () => {
+          // Complex lookahead for typed patterns
+          let i = 1;
+          let parenDepth = 0;
+          while (i < 20) {
+            const token = this.parser.LA(i);
+            if (!token) return false;
+            if (token.tokenType === tokens.LeftParen) parenDepth++;
+            if (token.tokenType === tokens.RightParen) parenDepth--;
+            if (parenDepth === 0 && token.tokenType === tokens.Colon) {
+              return true;
+            }
+            if (
+              parenDepth === 0 &&
+              (token.tokenType === tokens.Arrow ||
+                token.tokenType === tokens.Equals ||
+                token.tokenType === tokens.If)
+            ) {
+              return false;
+            }
+            i++;
+          }
+          return false;
+        },
+      },
+      // Alternative pattern: p1 | p2 | ...
+      {
+        ALT: () => {
+          this.subrule(this.pattern);
+          this.parser.MANY(() => {
+            this.consumeTokenType(tokens.BitwiseOr);
+            this.subrule(this.pattern);
+          });
+        },
+        GATE: () => {
+          // Look for | in patterns
+          let i = 1;
+          let parenDepth = 0;
+          while (i < 20) {
+            const token = this.parser.LA(i);
+            if (!token) return false;
+            if (token.tokenType === tokens.LeftParen) parenDepth++;
+            if (token.tokenType === tokens.RightParen) parenDepth--;
+            if (parenDepth === 0 && token.tokenType === tokens.BitwiseOr) {
+              return true;
+            }
+            if (
+              parenDepth === 0 &&
+              (token.tokenType === tokens.Arrow ||
+                token.tokenType === tokens.Equals)
+            ) {
+              return false;
+            }
+            i++;
+          }
+          return false;
+        },
+      },
+    ]);
+  });
+
+  // Case clause (used in match expressions and partial functions)
+  caseClause = this.parser.RULE("caseClause", () => {
+    this.consumeTokenType(tokens.Case);
+    this.subrule(this.pattern);
+
+    // Optional guard
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.If);
+      this.subrule(this.expression);
+    });
+
+    this.consumeTokenType(tokens.Arrow);
+
+    // Case body - can be expression or block
+    this.parser.OR([
+      // Block of statements
+      {
+        ALT: () => {
+          this.parser.MANY(() => {
+            this.subrule(this.expression);
+            this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+          });
+        },
+        GATE: () => {
+          // If next token is 'case' or '}', this is the end
+          const la1 = this.parser.LA(1);
+          return (
+            la1?.tokenType !== tokens.Case &&
+            la1?.tokenType !== tokens.RightBrace
+          );
+        },
+      },
+      // Empty case (rare but valid)
+      { ALT: () => {} },
+    ]);
+  });
+
+  // Generator (used in for comprehensions)
+  generator = this.parser.RULE("generator", () => {
+    this.parser.OR([
+      // Pattern generator: pattern <- expression
+      {
+        ALT: () => {
+          this.subrule(this.pattern);
+          this.consumeTokenType(tokens.LeftArrow);
+          this.subrule(this.expression);
+        },
+      },
+      // Value definition: pattern = expression
+      {
+        ALT: () => {
+          this.subrule(this.pattern);
+          this.consumeTokenType(tokens.Equals);
+          this.subrule(this.expression);
+        },
+      },
+      // Guard: if expression
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.If);
+          this.subrule(this.expression);
+        },
+      },
+    ]);
+  });
+
+  // Extractor pattern (for advanced pattern matching)
+  extractorPattern = this.parser.RULE("extractorPattern", () => {
+    this.subrule(this.qualifiedIdentifier);
+    this.consumeTokenType(tokens.LeftParen);
+    this.parser.MANY_SEP({
+      SEP: tokens.Comma,
+      DEF: () => {
+        this.parser.OR([
+          // Regular pattern
+          { ALT: () => this.subrule(this.pattern) },
+          // Sequence pattern: _*
+          {
+            ALT: () => {
+              this.consumeTokenType(tokens.Underscore);
+              this.consumeTokenType(tokens.Star);
+            },
+          },
+        ]);
+      },
+    });
+    this.consumeTokenType(tokens.RightParen);
+  });
+
+  // Infix pattern (for pattern matching with infix operators)
+  infixPattern = this.parser.RULE("infixPattern", () => {
+    this.subrule(this.pattern);
+    this.consumeTokenType(tokens.Identifier);
+    this.subrule(this.pattern);
+  });
+
+  // XML pattern (if XML support is needed)
+  xmlPattern = this.parser.RULE("xmlPattern", () => {
+    // Placeholder for XML patterns
+    // This would require XML-specific tokens
+    this.consumeTokenType(tokens.StringLiteral);
+  });
+}

frontend/src/common/prettier/plugins/scala/scala-parser/parser/scala3.ts

@@ -0,0 +1,298 @@
+/**
+ * Scala 3 specific features parsing module
+ */
+import { BaseParserModule, tokens } from "./base";
+import type { ParserMethod, CstNode } from "chevrotain";
+
+export class Scala3ParserMixin extends BaseParserModule {
+  // Dependencies from other modules
+  annotation!: ParserMethod<unknown[], CstNode>;
+  modifier!: ParserMethod<unknown[], CstNode>;
+  typeParameters!: ParserMethod<unknown[], CstNode>;
+  type!: ParserMethod<unknown[], CstNode>;
+  expression!: ParserMethod<unknown[], CstNode>;
+  pattern!: ParserMethod<unknown[], CstNode>;
+  parameterLists!: ParserMethod<unknown[], CstNode>;
+  classBody!: ParserMethod<unknown[], CstNode>;
+  extendsClause!: ParserMethod<unknown[], CstNode>;
+  qualifiedIdentifier!: ParserMethod<unknown[], CstNode>;
+  valDefinition!: ParserMethod<unknown[], CstNode>;
+  defDefinition!: ParserMethod<unknown[], CstNode>;
+  typeDefinition!: ParserMethod<unknown[], CstNode>;
+
+  // Enum definition (Scala 3)
+  enumDefinition = this.parser.RULE("enumDefinition", () => {
+    this.consumeTokenType(tokens.Enum);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+    this.parser.OPTION(() => this.subrule(this.extendsClause));
+    this.consumeTokenType(tokens.LeftBrace);
+    this.parser.MANY(() => {
+      this.parser.OR([
+        { ALT: () => this.subrule(this.enumCase) },
+        { ALT: () => this.subrule(this.classMember) },
+      ]);
+      this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+    });
+    this.consumeTokenType(tokens.RightBrace);
+  });
+
+  // Enum case
+  enumCase = this.parser.RULE("enumCase", () => {
+    this.consumeTokenType(tokens.Case);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.LeftParen);
+      this.parser.MANY_SEP({
+        SEP: tokens.Comma,
+        DEF: () => {
+          this.consumeTokenType(tokens.Identifier);
+          this.consumeTokenType(tokens.Colon);
+          this.subrule(this.type);
+        },
+      });
+      this.consumeTokenType(tokens.RightParen);
+    });
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Extends);
+      this.subrule(this.type);
+    });
+  });
+
+  // Extension definition (Scala 3)
+  extensionDefinition = this.parser.RULE("extensionDefinition", () => {
+    this.consumeTokenType(tokens.Extension);
+
+    // Optional type parameters before the extended type
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+
+    // Extended type with parameters
+    this.consumeTokenType(tokens.LeftParen);
+    this.consumeTokenType(tokens.Identifier);
+    this.consumeTokenType(tokens.Colon);
+    this.subrule(this.type);
+    this.consumeTokenType(tokens.RightParen);
+
+    // Optional using/given clauses
+    this.parser.MANY(() => this.subrule(this.parameterLists));
+
+    // Extension body
+    this.parser.OR([
+      // Single method
+      { ALT: () => this.subrule(this.extensionMember) },
+      // Multiple methods in braces
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.LeftBrace);
+          this.parser.MANY(() => {
+            this.subrule(this.extensionMember);
+            this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+          });
+          this.consumeTokenType(tokens.RightBrace);
+        },
+      },
+    ]);
+  });
+
+  // Extension member
+  extensionMember = this.parser.RULE("extensionMember", () => {
+    this.parser.MANY(() => this.subrule(this.annotation));
+    this.parser.MANY(() => this.subrule(this.modifier));
+    this.parser.OR([
+      { ALT: () => this.subrule(this.defDefinition) },
+      { ALT: () => this.subrule(this.valDefinition) },
+      { ALT: () => this.subrule(this.typeDefinition) },
+    ]);
+  });
+
+  // Given definition (Scala 3)
+  givenDefinition = this.parser.RULE("givenDefinition", () => {
+    this.consumeTokenType(tokens.Given);
+
+    // Optional given name
+    this.parser.OPTION(() => {
+      this.consumeTokenType(tokens.Identifier);
+    });
+
+    // Optional type parameters
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+
+    // Optional parameter lists (for given with parameters)
+    this.parser.MANY(() => this.subrule(this.parameterLists));
+
+    this.consumeTokenType(tokens.Colon);
+    this.subrule(this.type);
+
+    // Implementation
+    this.parser.OR([
+      // With implementation
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.With);
+          this.parser.OR([
+            // Block implementation
+            { ALT: () => this.subrule(this.classBody) },
+            // Expression implementation
+            {
+              ALT: () => {
+                this.consumeTokenType(tokens.Equals);
+                this.subrule(this.expression);
+              },
+            },
+          ]);
+        },
+      },
+      // Direct implementation with =
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Equals);
+          this.subrule(this.expression);
+        },
+      },
+    ]);
+  });
+
+  // Opaque type definition (Scala 3)
+  opaqueTypeDefinition = this.parser.RULE("opaqueTypeDefinition", () => {
+    this.consumeTokenType(tokens.Opaque);
+    this.consumeTokenType(tokens.Type);
+    this.consumeTokenType(tokens.Identifier);
+    this.parser.OPTION(() => this.subrule(this.typeParameters));
+
+    // Optional type bounds
+    this.parser.OPTION(() => {
+      this.parser.OR([
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.ColonLess);
+            this.subrule(this.type);
+          },
+        },
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.GreaterColon);
+            this.subrule(this.type);
+          },
+        },
+      ]);
+    });
+
+    this.consumeTokenType(tokens.Equals);
+    this.subrule(this.type);
+  });
+
+  // Inline modifier handling (Scala 3)
+  inlineDefinition = this.parser.RULE("inlineDefinition", () => {
+    this.consumeTokenType(tokens.Inline);
+    this.parser.OR([
+      {
+        ALT: () => this.subrule(this.defDefinition),
+      },
+      {
+        ALT: () => this.subrule(this.valDefinition),
+      },
+    ]);
+  });
+
+  // Transparent modifier handling (Scala 3)
+  transparentDefinition = this.parser.RULE("transparentDefinition", () => {
+    this.consumeTokenType(tokens.Transparent);
+    this.consumeTokenType(tokens.Inline);
+    this.subrule(this.defDefinition);
+  });
+
+  // Export clause (already implemented in statements, but Scala 3 specific)
+  // Moved from statements module for better organization
+  exportClause = this.parser.RULE("exportClause", () => {
+    this.consumeTokenType(tokens.Export);
+    this.subrule(this.exportExpression);
+    this.parser.OPTION(() => this.consumeTokenType(tokens.Semicolon));
+  });
+
+  exportExpression = this.parser.RULE("exportExpression", () => {
+    this.subrule(this.qualifiedIdentifier);
+    this.consumeTokenType(tokens.Dot);
+    this.parser.MANY(() => {
+      this.consumeTokenType(tokens.Dot);
+      this.parser.OR([
+        {
+          ALT: () => this.consumeTokenType(tokens.Identifier),
+        },
+        { ALT: () => this.consumeTokenType(tokens.Underscore) },
+        { ALT: () => this.consumeTokenType(tokens.Given) },
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.LeftBrace);
+            this.parser.MANY_SEP({
+              SEP: tokens.Comma,
+              DEF: () => this.subrule(this.exportSelector),
+            });
+            this.consumeTokenType(tokens.RightBrace);
+          },
+        },
+      ]);
+    });
+  });
+
+  exportSelector = this.parser.RULE("exportSelector", () => {
+    this.parser.OR([
+      // given selector
+      { ALT: () => this.consumeTokenType(tokens.Given) },
+      // Regular selector with optional rename
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Identifier);
+          this.parser.OPTION(() => {
+            this.parser.OR([
+              // Rename: x => y
+              {
+                ALT: () => {
+                  this.consumeTokenType(tokens.Arrow);
+                  this.consumeTokenType(tokens.Identifier);
+                },
+              },
+              // Hide: x => _
+              {
+                ALT: () => {
+                  this.consumeTokenType(tokens.Arrow);
+                  this.consumeTokenType(tokens.Underscore);
+                },
+              },
+            ]);
+          });
+        },
+      },
+    ]);
+  });
+
+  // Using clause (Scala 3 - for context parameters)
+  usingClause = this.parser.RULE("usingClause", () => {
+    this.consumeTokenType(tokens.Using);
+    this.consumeTokenType(tokens.LeftParen);
+    this.parser.MANY_SEP({
+      SEP: tokens.Comma,
+      DEF: () => {
+        this.consumeTokenType(tokens.Identifier);
+        this.consumeTokenType(tokens.Colon);
+        this.subrule(this.type);
+      },
+    });
+    this.consumeTokenType(tokens.RightParen);
+  });
+
+  // Helper rule placeholder
+  classMember = this.parser.RULE("classMember", () => {
+    // Placeholder - should be in definitions.ts
+    this.parser.OR([
+      {
+        ALT: () => this.subrule(this.valDefinition),
+      },
+      {
+        ALT: () => this.subrule(this.defDefinition),
+      },
+      {
+        ALT: () => this.subrule(this.typeDefinition),
+      },
+    ]);
+  });
+}

frontend/src/common/prettier/plugins/scala/scala-parser/parser/statements.ts

@@ -0,0 +1,165 @@
+/**
+ * Statement parsing module for package, import, and export declarations
+ */
+import { BaseParserModule, tokens } from "./base";
+import type { ParserMethod, CstNode } from "chevrotain";
+
+export class StatementParserMixin extends BaseParserModule {
+  // Dependencies from other modules
+  qualifiedIdentifier!: ParserMethod<unknown[], CstNode>;
+  expression!: ParserMethod<unknown[], CstNode>;
+
+  // Package declaration
+  packageClause = this.parser.RULE("packageClause", () => {
+    this.consumeTokenType(tokens.Package);
+    this.subrule(this.qualifiedIdentifier);
+    this.optionalConsume(tokens.Semicolon);
+  });
+
+  // Import declaration
+  importClause = this.parser.RULE("importClause", () => {
+    this.consumeTokenType(tokens.Import);
+    this.subrule(this.importExpression);
+    this.optionalConsume(tokens.Semicolon);
+  });
+
+  importExpression = this.parser.RULE("importExpression", () => {
+    // Parse the base path (e.g., "scala.collection")
+    this.consumeTokenType(tokens.Identifier);
+    this.manyOf(() => {
+      this.consumeTokenType(tokens.Dot);
+      this.oneOf([
+        // Next identifier in path
+        {
+          ALT: () =>
+            this.parser.CONSUME(tokens.Identifier, { LABEL: "Identifier2" }),
+        },
+        // Wildcard import
+        { ALT: () => this.consumeTokenType(tokens.Underscore) },
+        // Multiple import selectors
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.LeftBrace);
+            this.parser.AT_LEAST_ONE_SEP({
+              SEP: tokens.Comma,
+              DEF: () => this.subrule(this.importSelector),
+            });
+            this.consumeTokenType(tokens.RightBrace);
+          },
+        },
+      ]);
+    });
+  });
+
+  importSelector = this.parser.RULE("importSelector", () => {
+    this.oneOf([
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Identifier);
+          this.parser.OPTION(() => {
+            this.consumeTokenType(tokens.Arrow);
+            this.oneOf([
+              {
+                ALT: () =>
+                  this.parser.CONSUME(tokens.Identifier, {
+                    LABEL: "Identifier2",
+                  }),
+              },
+              { ALT: () => this.consumeTokenType(tokens.Underscore) },
+            ]);
+          });
+        },
+      },
+      {
+        ALT: () =>
+          this.parser.CONSUME(tokens.Underscore, { LABEL: "Underscore2" }),
+      }, // Allow wildcard import in selectors
+    ]);
+  });
+
+  // Export declaration (Scala 3)
+  exportClause = this.parser.RULE("exportClause", () => {
+    this.consumeTokenType(tokens.Export);
+    this.subrule(this.exportExpression);
+    this.optionalConsume(tokens.Semicolon);
+  });
+
+  exportExpression = this.parser.RULE("exportExpression", () => {
+    // Parse the base path (e.g., "mypackage")
+    this.consumeTokenType(tokens.Identifier);
+    this.manyOf(() => {
+      this.consumeTokenType(tokens.Dot);
+      this.oneOf([
+        // Next identifier in path
+        {
+          ALT: () =>
+            this.parser.CONSUME(tokens.Identifier, { LABEL: "Identifier2" }),
+        },
+        // Given keyword for given exports
+        { ALT: () => this.consumeTokenType(tokens.Given) },
+        // Wildcard export
+        { ALT: () => this.consumeTokenType(tokens.Underscore) },
+        // Multiple export selectors
+        {
+          ALT: () => {
+            this.consumeTokenType(tokens.LeftBrace);
+            this.parser.AT_LEAST_ONE_SEP({
+              SEP: tokens.Comma,
+              DEF: () => this.subrule(this.exportSelector),
+            });
+            this.consumeTokenType(tokens.RightBrace);
+          },
+        },
+      ]);
+    });
+  });
+
+  exportSelector = this.parser.RULE("exportSelector", () => {
+    this.oneOf([
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Identifier);
+          this.parser.OPTION(() => {
+            this.consumeTokenType(tokens.Arrow);
+            this.oneOf([
+              {
+                ALT: () =>
+                  this.parser.CONSUME(tokens.Identifier, {
+                    LABEL: "Identifier2",
+                  }),
+              },
+              { ALT: () => this.consumeTokenType(tokens.Underscore) },
+            ]);
+          });
+        },
+      },
+      {
+        ALT: () =>
+          this.parser.CONSUME(tokens.Underscore, { LABEL: "Underscore2" }),
+      },
+      { ALT: () => this.consumeTokenType(tokens.Given) },
+      {
+        ALT: () => {
+          this.consumeTokenType(tokens.Given);
+          this.consumeTokenType(tokens.Identifier);
+        },
+      },
+    ]);
+  });
+
+  // Assignment statement (for sbt files and general assignments)
+  assignmentStatement = this.parser.RULE("assignmentStatement", () => {
+    this.consumeTokenType(tokens.Identifier);
+    this.oneOf([
+      { ALT: () => this.consumeTokenType(tokens.SbtAssign) },
+      { ALT: () => this.consumeTokenType(tokens.PlusEquals) },
+      { ALT: () => this.consumeTokenType(tokens.MinusEquals) },
+      { ALT: () => this.consumeTokenType(tokens.StarEquals) },
+      { ALT: () => this.consumeTokenType(tokens.SlashEquals) },
+      { ALT: () => this.consumeTokenType(tokens.PercentEquals) },
+      { ALT: () => this.consumeTokenType(tokens.AppendEquals) },
+      { ALT: () => this.consumeTokenType(tokens.Equals) },
+    ]);
+    this.subrule(this.expression);
+  });
+}