function assertResolve(u1: URI, path: string, expected: URI) {
		const actual = resolvePath(u1, path);
		assertEqualURI(actual, expected, `from ${u1.toString()} and ${path}`);

		if (!isAbsolute(path)) {
			let expectedPath = isWindows ? toSlashes(path) : path;
			expectedPath = startsWith(expectedPath, './') ? expectedPath.substr(2) : expectedPath;
			assert.equal(relativePath(u1, actual), expectedPath, `relativePath (${u1.toString()}) on actual (${actual.toString()}) should be to path (${expectedPath})`);
		}
	}

export function getCwd(shell: IShellLaunchConfig, userHome: string, root?: Uri, customCwd?: string): string {
	if (shell.cwd) {
		return (typeof shell.cwd === 'object') ? shell.cwd.fsPath : shell.cwd;
	}

	let cwd: string | undefined;

	// TODO: Handle non-existent customCwd
	if (!shell.ignoreConfigurationCwd && customCwd) {
		if (path.isAbsolute(customCwd)) {
			cwd = customCwd;
		} else if (root) {
			cwd = path.join(root.fsPath, customCwd);
		}
	}

	// If there was no custom cwd or it was relative with no workspace
	if (!cwd) {
		cwd = root ? root.fsPath : userHome;
	}

	return _sanitizeCwd(cwd);
}

	constructor(raw_: DebugProtocol.Source | undefined, sessionId: string) {
		let path: string;
		if (raw_) {
			this.raw = raw_;
			path = this.raw.path || this.raw.name || '';
			this.available = true;
		} else {
			this.raw = { name: UNKNOWN_SOURCE_LABEL };
			this.available = false;
			path = `${DEBUG_SCHEME}:${UNKNOWN_SOURCE_LABEL}`;
		}

		if (typeof this.raw.sourceReference === 'number' && this.raw.sourceReference > 0) {
			this.uri = uri.from({
				scheme: DEBUG_SCHEME,
				path,
				query: `session=${sessionId}&ref=${this.raw.sourceReference}`
			});
		} else {
			if (isUri(path)) {	// path looks like a uri
				this.uri = uri.parse(path);
			} else {
				// assume a filesystem path
				if (isAbsolute(path)) {
					this.uri = uri.file(path);
				} else {
					// path is relative: since VS Code cannot deal with this by itself
					// create a debug url that will result in a DAP 'source' request when the url is resolved.
					this.uri = uri.from({
						scheme: DEBUG_SCHEME,
						path,
						query: `session=${sessionId}`
					});
				}
			}
		}
	}

export async function main(argv: string[]): Promise<any> {
	let args: ParsedArgs;

	try {
		args = parseCLIProcessArgv(argv);
	} catch (err) {
		console.error(err.message);
		return;
	}

	// Help
	if (args.help) {
		const executable = `${product.applicationName}${os.platform() === 'win32' ? '.exe' : ''}`;
		console.log(buildHelpMessage(product.nameLong, executable, pkg.version));
	}

	// Version Info
	else if (args.version) {
		console.log(buildVersionMessage(pkg.version, product.commit));
	}

	// Extensions Management
	else if (shouldSpawnCliProcess(args)) {
		const cli = await new Promise<IMainCli>((c, e) => require(['vs/code/node/cliProcessMain'], c, e));
		await cli.main(args);

		return;
	}

	// Write File
	else if (args['file-write']) {
		const source = args._[0];
		const target = args._[1];

		// Validate
		if (
			!source || !target || source === target ||					// make sure source and target are provided and are not the same
			!paths.isAbsolute(source) || !paths.isAbsolute(target) ||	// make sure both source and target are absolute paths
			!fs.existsSync(source) || !fs.statSync(source).isFile() ||	// make sure source exists as file
			!fs.existsSync(target) || !fs.statSync(target).isFile()		// make sure target exists as file
		) {
			throw new Error('Using --file-write with invalid arguments.');
		}

		try {

			// Check for readonly status and chmod if so if we are told so
			let targetMode: number = 0;
			let restoreMode = false;
			if (!!args['file-chmod']) {
				targetMode = fs.statSync(target).mode;
				if (!(targetMode & 128) /* readonly */) {
					fs.chmodSync(target, targetMode | 128);
					restoreMode = true;
				}
			}

			// Write source to target
			const data = fs.readFileSync(source);
			if (isWindows) {
				// On Windows we use a different strategy of saving the file
				// by first truncating the file and then writing with r+ mode.
				// This helps to save hidden files on Windows
				// (see https://github.com/Microsoft/vscode/issues/931) and
				// prevent removing alternate data streams
				// (see https://github.com/Microsoft/vscode/issues/6363)
				fs.truncateSync(target, 0);
				writeFileSync(target, data, { flag: 'r+' });
			} else {
				writeFileSync(target, data);
			}

			// Restore previous mode as needed
			if (restoreMode) {
				fs.chmodSync(target, targetMode);
			}
		} catch (error) {
			error.message = `Error using --file-write: ${error.message}`;
			throw error;
		}
	}

	// Just Code
	else {
		const env = assign({}, process.env, {
			'VSCODE_CLI': '1', // this will signal Code that it was spawned from this module
			'ELECTRON_NO_ATTACH_CONSOLE': '1'
		});

		delete env['ELECTRON_RUN_AS_NODE'];

		const processCallbacks: ((child: ChildProcess) => Promise<any>)[] = [];

		const verbose = args.verbose || args.status || typeof args['upload-logs'] !== 'undefined';
		if (verbose) {
			env['ELECTRON_ENABLE_LOGGING'] = '1';

			processCallbacks.push(async child => {
				child.stdout.on('data', (data: Buffer) => console.log(data.toString('utf8').trim()));
				child.stderr.on('data', (data: Buffer) => console.log(data.toString('utf8').trim()));
//.........这里部分代码省略.........

export function getAbsoluteGlob(folder: string, key: string): string {
	return path.isAbsolute(key) ?
		key :
		path.join(folder, key);
}