wip(cli): support lsp

packages/cli/src/config/config.test.ts

@@ -21,6 +21,23 @@ import * as ServerConfig from '@qwen-code/qwen-code-core';
 import { isWorkspaceTrusted } from './trustedFolders.js';
 import { ExtensionEnablementManager } from './extensions/extensionEnablement.js';
 
+const mockDiscoverAndPrepare = vi.fn();
+const mockStartLsp = vi.fn();
+const mockDefinitions = vi.fn().mockResolvedValue([]);
+const mockReferences = vi.fn().mockResolvedValue([]);
+const mockWorkspaceSymbols = vi.fn().mockResolvedValue([]);
+const nativeLspServiceMock = vi.fn().mockImplementation(() => ({
+  discoverAndPrepare: mockDiscoverAndPrepare,
+  start: mockStartLsp,
+  definitions: mockDefinitions,
+  references: mockReferences,
+  workspaceSymbols: mockWorkspaceSymbols,
+}));
+
+vi.mock('../services/lsp/NativeLspService.js', () => ({
+  NativeLspService: nativeLspServiceMock,
+}));
+
 vi.mock('./trustedFolders.js', () => ({
   isWorkspaceTrusted: vi
     .fn()
@@ -518,6 +535,16 @@ describe('loadCliConfig', () => {
 
   beforeEach(() => {
     vi.resetAllMocks();
+    mockDiscoverAndPrepare.mockReset();
+    mockStartLsp.mockReset();
+    mockWorkspaceSymbols.mockReset();
+    mockWorkspaceSymbols.mockResolvedValue([]);
+    nativeLspServiceMock.mockReset();
+    nativeLspServiceMock.mockImplementation(() => ({
+      discoverAndPrepare: mockDiscoverAndPrepare,
+      start: mockStartLsp,
+      workspaceSymbols: mockWorkspaceSymbols,
+    }));
     vi.mocked(os.homedir).mockReturnValue('/mock/home/user');
     vi.stubEnv('GEMINI_API_KEY', 'test-api-key');
   });
@@ -587,6 +614,61 @@ describe('loadCliConfig', () => {
     expect(config.getShowMemoryUsage()).toBe(false);
   });
 
+  it('should initialize native LSP service when enabled', async () => {
+    process.argv = ['node', 'script.js'];
+    const argv = await parseArguments({} as Settings);
+    const settings: Settings = {
+      lsp: {
+        enabled: true,
+        allowed: ['typescript-language-server'],
+        excluded: ['pylsp'],
+      },
+    };
+
+    const config = await loadCliConfig(
+      settings,
+      [],
+      new ExtensionEnablementManager(
+        ExtensionStorage.getUserExtensionsDir(),
+        argv.extensions,
+      ),
+      argv,
+    );
+
+    expect(config.isLspEnabled()).toBe(true);
+    expect(config.getLspAllowed()).toEqual(['typescript-language-server']);
+    expect(config.getLspExcluded()).toEqual(['pylsp']);
+    expect(nativeLspServiceMock).toHaveBeenCalledTimes(1);
+    expect(mockDiscoverAndPrepare).toHaveBeenCalledTimes(1);
+    expect(mockStartLsp).toHaveBeenCalledTimes(1);
+
+    const options = nativeLspServiceMock.mock.calls[0][5];
+    expect(options?.allowedServers).toEqual(['typescript-language-server']);
+    expect(options?.excludedServers).toEqual(['pylsp']);
+  });
+
+  it('should skip native LSP startup when startLsp option is false', async () => {
+    process.argv = ['node', 'script.js'];
+    const argv = await parseArguments({} as Settings);
+    const settings: Settings = { lsp: { enabled: true } };
+
+    const config = await loadCliConfig(
+      settings,
+      [],
+      new ExtensionEnablementManager(
+        ExtensionStorage.getUserExtensionsDir(),
+        argv.extensions,
+      ),
+      argv,
+      undefined,
+      { startLsp: false },
+    );
+
+    expect(config.isLspEnabled()).toBe(true);
+    expect(nativeLspServiceMock).not.toHaveBeenCalled();
+    expect(mockDiscoverAndPrepare).not.toHaveBeenCalled();
+  });
+
   it('should set showMemoryUsage to false by default from settings if CLI flag is not present', async () => {
     process.argv = ['node', 'script.js'];
     const argv = await parseArguments({} as Settings);

packages/cli/src/config/config.ts

@@ -23,9 +23,11 @@ import {
   InputFormat,
   OutputFormat,
   SessionService,
+  ideContextStore,
   type ResumedSessionData,
   type FileFilteringOptions,
   type MCPServerConfig,
+  type LspClient,
 } from '@qwen-code/qwen-code-core';
 import { extensionsCommand } from '../commands/extensions.js';
 import type { Settings } from './settings.js';
@@ -42,6 +44,7 @@ import { annotateActiveExtensions } from './extension.js';
 import { loadSandboxConfig } from './sandboxConfig.js';
 import { appEvents } from '../utils/events.js';
 import { mcpCommand } from '../commands/mcp.js';
+import { NativeLspService } from '../services/lsp/NativeLspService.js';
 
 import { isWorkspaceTrusted } from './trustedFolders.js';
 import type { ExtensionEnablementManager } from './extensions/extensionEnablement.js';
@@ -147,6 +150,44 @@ export interface CliArgs {
   channel: string | undefined;
 }
 
+export interface LoadCliConfigOptions {
+  /**
+   * Whether to start the native LSP service during config load.
+   * Disable when doing preflight runs (e.g., sandbox preparation).
+   */
+  startLsp?: boolean;
+}
+
+class NativeLspClient implements LspClient {
+  constructor(private readonly service: NativeLspService) {}
+
+  workspaceSymbols(query: string, limit?: number) {
+    return this.service.workspaceSymbols(query, limit);
+  }
+
+  definitions(
+    location: Parameters<NativeLspService['definitions']>[0],
+    serverName?: string,
+    limit?: number,
+  ) {
+    return this.service.definitions(location, serverName, limit);
+  }
+
+  references(
+    location: Parameters<NativeLspService['references']>[0],
+    serverName?: string,
+    includeDeclaration?: boolean,
+    limit?: number,
+  ) {
+    return this.service.references(
+      location,
+      serverName,
+      includeDeclaration,
+      limit,
+    );
+  }
+}
+
 function normalizeOutputFormat(
   format: string | OutputFormat | undefined,
 ): OutputFormat | undefined {
@@ -655,6 +696,7 @@ export async function loadCliConfig(
   extensionEnablementManager: ExtensionEnablementManager,
   argv: CliArgs,
   cwd: string = process.cwd(),
+  options: LoadCliConfigOptions = {},
 ): Promise<Config> {
   const debugMode = isDebugMode(argv);
 
@@ -731,6 +773,12 @@ export async function loadCliConfig(
   );
 
   let mcpServers = mergeMcpServers(settings, activeExtensions);
+
+  // LSP configuration derived from settings; defaults to disabled for safety.
+  const lspEnabled = settings.lsp?.enabled ?? false;
+  const lspAllowed = settings.lsp?.allowed ?? settings.mcp?.allowed;
+  const lspExcluded = settings.lsp?.excluded ?? settings.mcp?.excluded;
+  let lspClient: LspClient | undefined;
   const question = argv.promptInteractive || argv.prompt || '';
   const inputFormat: InputFormat =
     (argv.inputFormat as InputFormat | undefined) ?? InputFormat.TEXT;
@@ -934,7 +982,7 @@ export async function loadCliConfig(
     }
   }
 
-  return new Config({
+  const config = new Config({
     sessionId,
     sessionData,
     embeddingModel: DEFAULT_QWEN_EMBEDDING_MODEL,
@@ -1037,7 +1085,39 @@ export async function loadCliConfig(
     // always be true and the settings file can never disable recording.
     chatRecording:
       argv.chatRecording ?? settings.general?.chatRecording ?? true,
+    lsp: {
+      enabled: lspEnabled,
+      allowed: lspAllowed,
+      excluded: lspExcluded,
+    },
   });
+
+  const shouldStartLsp = options.startLsp ?? true;
+  if (shouldStartLsp && lspEnabled) {
+    try {
+      const lspService = new NativeLspService(
+        config,
+        config.getWorkspaceContext(),
+        appEvents,
+        fileService,
+        ideContextStore,
+        {
+          allowedServers: lspAllowed,
+          excludedServers: lspExcluded,
+          requireTrustedWorkspace: folderTrust,
+        },
+      );
+
+      await lspService.discoverAndPrepare();
+      await lspService.start();
+      lspClient = new NativeLspClient(lspService);
+      config.setLspClient(lspClient);
+    } catch (err) {
+      logger.warn('Failed to initialize native LSP service:', err);
+    }
+  }
+
+  return config;
 }
 
 function allowedMcpServers(

packages/cli/src/config/lspSettingsSchema.ts

@@ -0,0 +1,38 @@
+import type { JSONSchema7 } from 'json-schema';
+
+export const lspSettingsSchema: JSONSchema7 = {
+  type: 'object',
+  properties: {
+    'lsp.enabled': {
+      type: 'boolean',
+      default: true,
+      description: '启用 LSP 语言服务器协议支持'
+    },
+    'lsp.allowed': {
+      type: 'array',
+      items: {
+        type: 'string'
+      },
+      default: [],
+      description: '允许运行的 LSP 服务器列表'
+    },
+    'lsp.excluded': {
+      type: 'array',
+      items: {
+        type: 'string'
+      },
+      default: [],
+      description: '禁止运行的 LSP 服务器列表'
+    },
+    'lsp.autoDetect': {
+      type: 'boolean',
+      default: true,
+      description: '自动检测项目语言并启动相应 LSP 服务器'
+    },
+    'lsp.serverTimeout': {
+      type: 'number',
+      default: 10000,
+      description: 'LSP 服务器启动超时时间（毫秒）'
+    }
+  }
+};

packages/cli/src/config/settings.ts

@@ -160,6 +160,34 @@ export function getSystemDefaultsPath(): string {
   );
 }
 
+function getVsCodeSettingsPath(workspaceDir: string): string {
+  return path.join(workspaceDir, '.vscode', 'settings.json');
+}
+
+function loadVsCodeSettings(workspaceDir: string): Settings {
+  const vscodeSettingsPath = getVsCodeSettingsPath(workspaceDir);
+  try {
+    if (fs.existsSync(vscodeSettingsPath)) {
+      const content = fs.readFileSync(vscodeSettingsPath, 'utf-8');
+      const rawSettings: unknown = JSON.parse(stripJsonComments(content));
+
+      if (
+        typeof rawSettings !== 'object' ||
+        rawSettings === null ||
+        Array.isArray(rawSettings)
+      ) {
+        console.error(`VS Code settings file is not a valid JSON object: ${vscodeSettingsPath}`);
+        return {};
+      }
+
+      return rawSettings as Settings;
+    }
+  } catch (error: unknown) {
+    console.error(`Error loading VS Code settings from ${vscodeSettingsPath}:`, getErrorMessage(error));
+  }
+  return {};
+}
+
 export type { DnsResolutionOrder } from './settingsSchema.js';
 
 export enum SettingScope {
@@ -632,6 +660,9 @@ export function loadSettings(
     workspaceDir,
   ).getWorkspaceSettingsPath();
 
+  // Load VS Code settings as an additional source of configuration
+  const vscodeSettings = loadVsCodeSettings(workspaceDir);
+
   const loadAndMigrate = (
     filePath: string,
     scope: SettingScope,
@@ -736,6 +767,14 @@ export function loadSettings(
   userSettings = resolveEnvVarsInObject(userResult.settings);
   workspaceSettings = resolveEnvVarsInObject(workspaceResult.settings);
 
+  // Merge VS Code settings into workspace settings (VS Code settings take precedence)
+  workspaceSettings = customDeepMerge(
+    getMergeStrategyForPath,
+    {},
+    workspaceSettings,
+    vscodeSettings,
+  ) as Settings;
+
   // Support legacy theme names
   if (userSettings.ui?.theme === 'VS') {
     userSettings.ui.theme = DefaultLight.name;
@@ -749,11 +788,13 @@ export function loadSettings(
   }
 
   // For the initial trust check, we can only use user and system settings.
+  // We also include VS Code settings as they may contain trust-related settings
   const initialTrustCheckSettings = customDeepMerge(
     getMergeStrategyForPath,
     {},
     systemSettings,
     userSettings,
+    vscodeSettings, // Include VS Code settings
   );
   const isTrusted =
     isWorkspaceTrusted(initialTrustCheckSettings as Settings).isTrusted ?? true;
@@ -767,9 +808,18 @@ export function loadSettings(
     isTrusted,
   );
 
+  // Add VS Code settings to the temp merged settings for environment loading
+  // Since loadEnvironment depends on settings, we need to consider VS Code settings as well
+  const tempMergedSettingsWithVsCode = customDeepMerge(
+    getMergeStrategyForPath,
+    {},
+    tempMergedSettings,
+    vscodeSettings,
+  ) as Settings;
+
   // loadEnviroment depends on settings so we have to create a temp version of
   // the settings to avoid a cycle
-  loadEnvironment(tempMergedSettings);
+  loadEnvironment(tempMergedSettingsWithVsCode);
 
   // Create LoadedSettings first
 

packages/cli/src/config/settingsSchema.ts

@@ -1007,6 +1007,47 @@ const SETTINGS_SCHEMA = {
       },
     },
   },
+  lsp: {
+    type: 'object',
+    label: 'LSP',
+    category: 'LSP',
+    requiresRestart: true,
+    default: {},
+    description: 'Settings for the native Language Server Protocol integration.',
+    showInDialog: false,
+    properties: {
+      enabled: {
+        type: 'boolean',
+        label: 'Enable LSP',
+        category: 'LSP',
+        requiresRestart: true,
+        default: false,
+        description:
+          'Enable the native LSP client to connect to language servers discovered in the workspace.',
+        showInDialog: false,
+      },
+      allowed: {
+        type: 'array',
+        label: 'Allow LSP Servers',
+        category: 'LSP',
+        requiresRestart: true,
+        default: undefined as string[] | undefined,
+        description:
+          'Optional allowlist of LSP server names. If set, only matching servers will start.',
+        showInDialog: false,
+      },
+      excluded: {
+        type: 'array',
+        label: 'Exclude LSP Servers',
+        category: 'LSP',
+        requiresRestart: true,
+        default: undefined as string[] | undefined,
+        description:
+          'Optional blocklist of LSP server names that should not start.',
+        showInDialog: false,
+      },
+    },
+  },
   useSmartEdit: {
     type: 'boolean',
     label: 'Use Smart Edit',