1021 lines
48 KiB
TypeScript
1021 lines
48 KiB
TypeScript
namespace Harness.LanguageService {
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export function makeDefaultProxy(info: ts.server.PluginCreateInfo): ts.LanguageService {
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const proxy = Object.create(/*prototype*/ null); // eslint-disable-line no-null/no-null
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const langSvc: any = info.languageService;
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for (const k of Object.keys(langSvc)) {
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// eslint-disable-next-line only-arrow-functions
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proxy[k] = function () {
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return langSvc[k].apply(langSvc, arguments);
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};
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}
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return proxy;
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}
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export class ScriptInfo {
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public version = 1;
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public editRanges: { length: number; textChangeRange: ts.TextChangeRange; }[] = [];
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private lineMap: number[] | undefined;
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constructor(public fileName: string, public content: string, public isRootFile: boolean) {
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this.setContent(content);
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}
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private setContent(content: string): void {
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this.content = content;
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this.lineMap = undefined;
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}
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public getLineMap(): number[] {
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return this.lineMap || (this.lineMap = ts.computeLineStarts(this.content));
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}
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public updateContent(content: string): void {
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this.editRanges = [];
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this.setContent(content);
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this.version++;
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}
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public editContent(start: number, end: number, newText: string): void {
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// Apply edits
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const prefix = this.content.substring(0, start);
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const middle = newText;
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const suffix = this.content.substring(end);
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this.setContent(prefix + middle + suffix);
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// Store edit range + new length of script
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this.editRanges.push({
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length: this.content.length,
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textChangeRange: ts.createTextChangeRange(
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ts.createTextSpanFromBounds(start, end), newText.length)
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});
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// Update version #
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this.version++;
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}
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public getTextChangeRangeBetweenVersions(startVersion: number, endVersion: number): ts.TextChangeRange {
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if (startVersion === endVersion) {
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// No edits!
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return ts.unchangedTextChangeRange;
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}
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const initialEditRangeIndex = this.editRanges.length - (this.version - startVersion);
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const lastEditRangeIndex = this.editRanges.length - (this.version - endVersion);
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const entries = this.editRanges.slice(initialEditRangeIndex, lastEditRangeIndex);
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return ts.collapseTextChangeRangesAcrossMultipleVersions(entries.map(e => e.textChangeRange));
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}
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}
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class ScriptSnapshot implements ts.IScriptSnapshot {
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public textSnapshot: string;
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public version: number;
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constructor(public scriptInfo: ScriptInfo) {
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this.textSnapshot = scriptInfo.content;
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this.version = scriptInfo.version;
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}
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public getText(start: number, end: number): string {
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return this.textSnapshot.substring(start, end);
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}
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public getLength(): number {
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return this.textSnapshot.length;
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}
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public getChangeRange(oldScript: ts.IScriptSnapshot): ts.TextChangeRange {
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const oldShim = oldScript as ScriptSnapshot;
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return this.scriptInfo.getTextChangeRangeBetweenVersions(oldShim.version, this.version);
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}
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}
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class ScriptSnapshotProxy implements ts.ScriptSnapshotShim {
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constructor(private readonly scriptSnapshot: ts.IScriptSnapshot) {
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}
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public getText(start: number, end: number): string {
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return this.scriptSnapshot.getText(start, end);
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}
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public getLength(): number {
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return this.scriptSnapshot.getLength();
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}
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public getChangeRange(oldScript: ts.ScriptSnapshotShim): string | undefined {
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const range = this.scriptSnapshot.getChangeRange((oldScript as ScriptSnapshotProxy).scriptSnapshot);
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return range && JSON.stringify(range);
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}
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}
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class DefaultHostCancellationToken implements ts.HostCancellationToken {
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public static readonly instance = new DefaultHostCancellationToken();
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public isCancellationRequested() {
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return false;
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}
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}
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export interface LanguageServiceAdapter {
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getHost(): LanguageServiceAdapterHost;
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getLanguageService(): ts.LanguageService;
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getClassifier(): ts.Classifier;
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getPreProcessedFileInfo(fileName: string, fileContents: string): ts.PreProcessedFileInfo;
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}
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export abstract class LanguageServiceAdapterHost {
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public readonly sys = new fakes.System(new vfs.FileSystem(/*ignoreCase*/ true, { cwd: virtualFileSystemRoot }));
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public typesRegistry: ts.ESMap<string, void> | undefined;
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private scriptInfos: collections.SortedMap<string, ScriptInfo>;
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constructor(protected cancellationToken = DefaultHostCancellationToken.instance,
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protected settings = ts.getDefaultCompilerOptions()) {
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this.scriptInfos = new collections.SortedMap({ comparer: this.vfs.stringComparer, sort: "insertion" });
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}
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public get vfs() {
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return this.sys.vfs;
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}
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public getNewLine(): string {
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return harnessNewLine;
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}
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public getFilenames(): string[] {
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const fileNames: string[] = [];
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this.scriptInfos.forEach(scriptInfo => {
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if (scriptInfo.isRootFile) {
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// only include root files here
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// usually it means that we won't include lib.d.ts in the list of root files so it won't mess the computation of compilation root dir.
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fileNames.push(scriptInfo.fileName);
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}
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});
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return fileNames;
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}
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public realpath(path: string): string {
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try {
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return this.vfs.realpathSync(path);
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}
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catch {
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return path;
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}
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}
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public directoryExists(path: string) {
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return this.vfs.statSync(path).isDirectory();
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}
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public getScriptInfo(fileName: string): ScriptInfo | undefined {
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return this.scriptInfos.get(vpath.resolve(this.vfs.cwd(), fileName));
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}
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public addScript(fileName: string, content: string, isRootFile: boolean): void {
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this.vfs.mkdirpSync(vpath.dirname(fileName));
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this.vfs.writeFileSync(fileName, content);
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this.scriptInfos.set(vpath.resolve(this.vfs.cwd(), fileName), new ScriptInfo(fileName, content, isRootFile));
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}
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public renameFileOrDirectory(oldPath: string, newPath: string): void {
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this.vfs.mkdirpSync(ts.getDirectoryPath(newPath));
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this.vfs.renameSync(oldPath, newPath);
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const updater = ts.getPathUpdater(oldPath, newPath, ts.createGetCanonicalFileName(this.useCaseSensitiveFileNames()), /*sourceMapper*/ undefined);
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this.scriptInfos.forEach((scriptInfo, key) => {
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const newFileName = updater(key);
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if (newFileName !== undefined) {
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this.scriptInfos.delete(key);
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this.scriptInfos.set(newFileName, scriptInfo);
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scriptInfo.fileName = newFileName;
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}
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});
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}
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public editScript(fileName: string, start: number, end: number, newText: string) {
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const script = this.getScriptInfo(fileName);
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if (script) {
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script.editContent(start, end, newText);
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this.vfs.mkdirpSync(vpath.dirname(fileName));
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this.vfs.writeFileSync(fileName, script.content);
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return;
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}
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throw new Error("No script with name '" + fileName + "'");
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}
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public openFile(_fileName: string, _content?: string, _scriptKindName?: string): void { /*overridden*/ }
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/**
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* @param line 0 based index
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* @param col 0 based index
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*/
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public positionToLineAndCharacter(fileName: string, position: number): ts.LineAndCharacter {
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const script: ScriptInfo = this.getScriptInfo(fileName)!;
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assert.isOk(script);
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return ts.computeLineAndCharacterOfPosition(script.getLineMap(), position);
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}
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public lineAndCharacterToPosition(fileName: string, lineAndCharacter: ts.LineAndCharacter): number {
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const script: ScriptInfo = this.getScriptInfo(fileName)!;
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assert.isOk(script);
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return ts.computePositionOfLineAndCharacter(script.getLineMap(), lineAndCharacter.line, lineAndCharacter.character);
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}
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useCaseSensitiveFileNames() {
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return !this.vfs.ignoreCase;
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}
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}
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/// Native adapter
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class NativeLanguageServiceHost extends LanguageServiceAdapterHost implements ts.LanguageServiceHost, LanguageServiceAdapterHost {
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isKnownTypesPackageName(name: string): boolean {
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return !!this.typesRegistry && this.typesRegistry.has(name);
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}
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getGlobalTypingsCacheLocation() {
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return "/Library/Caches/typescript";
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}
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installPackage = ts.notImplemented;
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getCompilationSettings() { return this.settings; }
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getCancellationToken() { return this.cancellationToken; }
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getDirectories(path: string): string[] {
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return this.sys.getDirectories(path);
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}
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getCurrentDirectory(): string { return virtualFileSystemRoot; }
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getDefaultLibFileName(): string { return Compiler.defaultLibFileName; }
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getScriptFileNames(): string[] {
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return this.getFilenames().filter(ts.isAnySupportedFileExtension);
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}
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getScriptSnapshot(fileName: string): ts.IScriptSnapshot | undefined {
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const script = this.getScriptInfo(fileName);
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return script ? new ScriptSnapshot(script) : undefined;
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}
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getScriptKind(): ts.ScriptKind { return ts.ScriptKind.Unknown; }
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getScriptVersion(fileName: string): string {
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const script = this.getScriptInfo(fileName);
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return script ? script.version.toString() : undefined!; // TODO: GH#18217
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}
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directoryExists(dirName: string): boolean {
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return this.sys.directoryExists(dirName);
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}
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fileExists(fileName: string): boolean {
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return this.sys.fileExists(fileName);
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}
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readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[] {
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return this.sys.readDirectory(path, extensions, exclude, include, depth);
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}
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readFile(path: string): string | undefined {
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return this.sys.readFile(path);
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}
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realpath(path: string): string {
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return this.sys.realpath(path);
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}
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getTypeRootsVersion() {
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return 0;
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}
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log = ts.noop;
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trace = ts.noop;
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error = ts.noop;
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}
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export class NativeLanguageServiceAdapter implements LanguageServiceAdapter {
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private host: NativeLanguageServiceHost;
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constructor(cancellationToken?: ts.HostCancellationToken, options?: ts.CompilerOptions) {
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this.host = new NativeLanguageServiceHost(cancellationToken, options);
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}
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getHost(): LanguageServiceAdapterHost { return this.host; }
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getLanguageService(): ts.LanguageService { return ts.createLanguageService(this.host); }
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getClassifier(): ts.Classifier { return ts.createClassifier(); }
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getPreProcessedFileInfo(fileName: string, fileContents: string): ts.PreProcessedFileInfo { return ts.preProcessFile(fileContents, /* readImportFiles */ true, ts.hasJSFileExtension(fileName)); }
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}
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/// Shim adapter
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class ShimLanguageServiceHost extends LanguageServiceAdapterHost implements ts.LanguageServiceShimHost, ts.CoreServicesShimHost {
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private nativeHost: NativeLanguageServiceHost;
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public getModuleResolutionsForFile: ((fileName: string) => string) | undefined;
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public getTypeReferenceDirectiveResolutionsForFile: ((fileName: string) => string) | undefined;
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constructor(preprocessToResolve: boolean, cancellationToken?: ts.HostCancellationToken, options?: ts.CompilerOptions) {
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super(cancellationToken, options);
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this.nativeHost = new NativeLanguageServiceHost(cancellationToken, options);
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if (preprocessToResolve) {
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const compilerOptions = this.nativeHost.getCompilationSettings();
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const moduleResolutionHost: ts.ModuleResolutionHost = {
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fileExists: fileName => this.getScriptInfo(fileName) !== undefined,
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readFile: fileName => {
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const scriptInfo = this.getScriptInfo(fileName);
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return scriptInfo && scriptInfo.content;
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},
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useCaseSensitiveFileNames: this.useCaseSensitiveFileNames()
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};
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this.getModuleResolutionsForFile = (fileName) => {
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const scriptInfo = this.getScriptInfo(fileName)!;
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const preprocessInfo = ts.preProcessFile(scriptInfo.content, /*readImportFiles*/ true);
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const imports: ts.MapLike<string> = {};
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for (const module of preprocessInfo.importedFiles) {
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const resolutionInfo = ts.resolveModuleName(module.fileName, fileName, compilerOptions, moduleResolutionHost);
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if (resolutionInfo.resolvedModule) {
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imports[module.fileName] = resolutionInfo.resolvedModule.resolvedFileName;
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}
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}
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return JSON.stringify(imports);
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};
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this.getTypeReferenceDirectiveResolutionsForFile = (fileName) => {
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const scriptInfo = this.getScriptInfo(fileName);
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if (scriptInfo) {
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const preprocessInfo = ts.preProcessFile(scriptInfo.content, /*readImportFiles*/ false);
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const resolutions: ts.MapLike<ts.ResolvedTypeReferenceDirective> = {};
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const settings = this.nativeHost.getCompilationSettings();
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for (const typeReferenceDirective of preprocessInfo.typeReferenceDirectives) {
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const resolutionInfo = ts.resolveTypeReferenceDirective(typeReferenceDirective.fileName, fileName, settings, moduleResolutionHost);
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if (resolutionInfo.resolvedTypeReferenceDirective!.resolvedFileName) {
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resolutions[typeReferenceDirective.fileName] = resolutionInfo.resolvedTypeReferenceDirective!;
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}
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}
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return JSON.stringify(resolutions);
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}
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else {
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return "[]";
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}
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};
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}
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}
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getFilenames(): string[] { return this.nativeHost.getFilenames(); }
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getScriptInfo(fileName: string): ScriptInfo | undefined { return this.nativeHost.getScriptInfo(fileName); }
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addScript(fileName: string, content: string, isRootFile: boolean): void { this.nativeHost.addScript(fileName, content, isRootFile); }
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editScript(fileName: string, start: number, end: number, newText: string): void { this.nativeHost.editScript(fileName, start, end, newText); }
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positionToLineAndCharacter(fileName: string, position: number): ts.LineAndCharacter { return this.nativeHost.positionToLineAndCharacter(fileName, position); }
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getCompilationSettings(): string { return JSON.stringify(this.nativeHost.getCompilationSettings()); }
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getCancellationToken(): ts.HostCancellationToken { return this.nativeHost.getCancellationToken(); }
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getCurrentDirectory(): string { return this.nativeHost.getCurrentDirectory(); }
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getDirectories(path: string): string { return JSON.stringify(this.nativeHost.getDirectories(path)); }
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getDefaultLibFileName(): string { return this.nativeHost.getDefaultLibFileName(); }
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getScriptFileNames(): string { return JSON.stringify(this.nativeHost.getScriptFileNames()); }
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getScriptSnapshot(fileName: string): ts.ScriptSnapshotShim {
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const nativeScriptSnapshot = this.nativeHost.getScriptSnapshot(fileName)!; // TODO: GH#18217
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return nativeScriptSnapshot && new ScriptSnapshotProxy(nativeScriptSnapshot);
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}
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getScriptKind(): ts.ScriptKind { return this.nativeHost.getScriptKind(); }
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getScriptVersion(fileName: string): string { return this.nativeHost.getScriptVersion(fileName); }
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getLocalizedDiagnosticMessages(): string { return JSON.stringify({}); }
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readDirectory = ts.notImplemented;
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readDirectoryNames = ts.notImplemented;
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readFileNames = ts.notImplemented;
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fileExists(fileName: string) { return this.getScriptInfo(fileName) !== undefined; }
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readFile(fileName: string) {
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const snapshot = this.nativeHost.getScriptSnapshot(fileName);
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return snapshot && ts.getSnapshotText(snapshot);
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}
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log(s: string): void { this.nativeHost.log(s); }
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trace(s: string): void { this.nativeHost.trace(s); }
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error(s: string): void { this.nativeHost.error(s); }
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directoryExists(): boolean {
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// for tests pessimistically assume that directory always exists
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return true;
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}
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}
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class ClassifierShimProxy implements ts.Classifier {
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constructor(private shim: ts.ClassifierShim) {
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}
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getEncodedLexicalClassifications(_text: string, _lexState: ts.EndOfLineState, _classifyKeywordsInGenerics?: boolean): ts.Classifications {
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return ts.notImplemented();
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}
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getClassificationsForLine(text: string, lexState: ts.EndOfLineState, classifyKeywordsInGenerics?: boolean): ts.ClassificationResult {
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const result = this.shim.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics).split("\n");
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const entries: ts.ClassificationInfo[] = [];
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let i = 0;
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let position = 0;
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for (; i < result.length - 1; i += 2) {
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const t = entries[i / 2] = {
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length: parseInt(result[i]),
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classification: parseInt(result[i + 1])
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};
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assert.isTrue(t.length > 0, "Result length should be greater than 0, got :" + t.length);
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position += t.length;
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}
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const finalLexState = parseInt(result[result.length - 1]);
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assert.equal(position, text.length, "Expected cumulative length of all entries to match the length of the source. expected: " + text.length + ", but got: " + position);
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return {
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finalLexState,
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entries
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};
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}
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}
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function unwrapJSONCallResult(result: string): any {
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const parsedResult = JSON.parse(result);
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if (parsedResult.error) {
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throw new Error("Language Service Shim Error: " + JSON.stringify(parsedResult.error));
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}
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else if (parsedResult.canceled) {
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throw new ts.OperationCanceledException();
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}
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return parsedResult.result;
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}
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class LanguageServiceShimProxy implements ts.LanguageService {
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constructor(private shim: ts.LanguageServiceShim) {
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}
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cleanupSemanticCache(): void {
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this.shim.cleanupSemanticCache();
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}
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getSyntacticDiagnostics(fileName: string): ts.DiagnosticWithLocation[] {
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return unwrapJSONCallResult(this.shim.getSyntacticDiagnostics(fileName));
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}
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getSemanticDiagnostics(fileName: string): ts.DiagnosticWithLocation[] {
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return unwrapJSONCallResult(this.shim.getSemanticDiagnostics(fileName));
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}
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getSuggestionDiagnostics(fileName: string): ts.DiagnosticWithLocation[] {
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return unwrapJSONCallResult(this.shim.getSuggestionDiagnostics(fileName));
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}
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getCompilerOptionsDiagnostics(): ts.Diagnostic[] {
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return unwrapJSONCallResult(this.shim.getCompilerOptionsDiagnostics());
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}
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getSyntacticClassifications(fileName: string, span: ts.TextSpan): ts.ClassifiedSpan[] {
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return unwrapJSONCallResult(this.shim.getSyntacticClassifications(fileName, span.start, span.length));
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}
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getSemanticClassifications(fileName: string, span: ts.TextSpan, format?: ts.SemanticClassificationFormat): ts.ClassifiedSpan[] {
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return unwrapJSONCallResult(this.shim.getSemanticClassifications(fileName, span.start, span.length, format));
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}
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getEncodedSyntacticClassifications(fileName: string, span: ts.TextSpan): ts.Classifications {
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return unwrapJSONCallResult(this.shim.getEncodedSyntacticClassifications(fileName, span.start, span.length));
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}
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getEncodedSemanticClassifications(fileName: string, span: ts.TextSpan, format?: ts.SemanticClassificationFormat): ts.Classifications {
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const responseFormat = format || ts.SemanticClassificationFormat.Original;
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return unwrapJSONCallResult(this.shim.getEncodedSemanticClassifications(fileName, span.start, span.length, responseFormat));
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}
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getCompletionsAtPosition(fileName: string, position: number, preferences: ts.UserPreferences | undefined, formattingSettings: ts.FormatCodeSettings | undefined): ts.CompletionInfo {
|
|
return unwrapJSONCallResult(this.shim.getCompletionsAtPosition(fileName, position, preferences, formattingSettings));
|
|
}
|
|
getCompletionEntryDetails(fileName: string, position: number, entryName: string, formatOptions: ts.FormatCodeOptions | undefined, source: string | undefined, preferences: ts.UserPreferences | undefined, data: ts.CompletionEntryData | undefined): ts.CompletionEntryDetails {
|
|
return unwrapJSONCallResult(this.shim.getCompletionEntryDetails(fileName, position, entryName, JSON.stringify(formatOptions), source, preferences, data));
|
|
}
|
|
getCompletionEntrySymbol(): ts.Symbol {
|
|
throw new Error("getCompletionEntrySymbol not implemented across the shim layer.");
|
|
}
|
|
getQuickInfoAtPosition(fileName: string, position: number): ts.QuickInfo {
|
|
return unwrapJSONCallResult(this.shim.getQuickInfoAtPosition(fileName, position));
|
|
}
|
|
getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): ts.TextSpan {
|
|
return unwrapJSONCallResult(this.shim.getNameOrDottedNameSpan(fileName, startPos, endPos));
|
|
}
|
|
getBreakpointStatementAtPosition(fileName: string, position: number): ts.TextSpan {
|
|
return unwrapJSONCallResult(this.shim.getBreakpointStatementAtPosition(fileName, position));
|
|
}
|
|
getSignatureHelpItems(fileName: string, position: number, options: ts.SignatureHelpItemsOptions | undefined): ts.SignatureHelpItems {
|
|
return unwrapJSONCallResult(this.shim.getSignatureHelpItems(fileName, position, options));
|
|
}
|
|
getRenameInfo(fileName: string, position: number, options?: ts.RenameInfoOptions): ts.RenameInfo {
|
|
return unwrapJSONCallResult(this.shim.getRenameInfo(fileName, position, options));
|
|
}
|
|
getSmartSelectionRange(fileName: string, position: number): ts.SelectionRange {
|
|
return unwrapJSONCallResult(this.shim.getSmartSelectionRange(fileName, position));
|
|
}
|
|
findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean, providePrefixAndSuffixTextForRename?: boolean): ts.RenameLocation[] {
|
|
return unwrapJSONCallResult(this.shim.findRenameLocations(fileName, position, findInStrings, findInComments, providePrefixAndSuffixTextForRename));
|
|
}
|
|
getDefinitionAtPosition(fileName: string, position: number): ts.DefinitionInfo[] {
|
|
return unwrapJSONCallResult(this.shim.getDefinitionAtPosition(fileName, position));
|
|
}
|
|
getDefinitionAndBoundSpan(fileName: string, position: number): ts.DefinitionInfoAndBoundSpan {
|
|
return unwrapJSONCallResult(this.shim.getDefinitionAndBoundSpan(fileName, position));
|
|
}
|
|
getTypeDefinitionAtPosition(fileName: string, position: number): ts.DefinitionInfo[] {
|
|
return unwrapJSONCallResult(this.shim.getTypeDefinitionAtPosition(fileName, position));
|
|
}
|
|
getImplementationAtPosition(fileName: string, position: number): ts.ImplementationLocation[] {
|
|
return unwrapJSONCallResult(this.shim.getImplementationAtPosition(fileName, position));
|
|
}
|
|
getReferencesAtPosition(fileName: string, position: number): ts.ReferenceEntry[] {
|
|
return unwrapJSONCallResult(this.shim.getReferencesAtPosition(fileName, position));
|
|
}
|
|
findReferences(fileName: string, position: number): ts.ReferencedSymbol[] {
|
|
return unwrapJSONCallResult(this.shim.findReferences(fileName, position));
|
|
}
|
|
getFileReferences(fileName: string): ts.ReferenceEntry[] {
|
|
return unwrapJSONCallResult(this.shim.getFileReferences(fileName));
|
|
}
|
|
getOccurrencesAtPosition(fileName: string, position: number): ts.ReferenceEntry[] {
|
|
return unwrapJSONCallResult(this.shim.getOccurrencesAtPosition(fileName, position));
|
|
}
|
|
getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): ts.DocumentHighlights[] {
|
|
return unwrapJSONCallResult(this.shim.getDocumentHighlights(fileName, position, JSON.stringify(filesToSearch)));
|
|
}
|
|
getNavigateToItems(searchValue: string): ts.NavigateToItem[] {
|
|
return unwrapJSONCallResult(this.shim.getNavigateToItems(searchValue));
|
|
}
|
|
getNavigationBarItems(fileName: string): ts.NavigationBarItem[] {
|
|
return unwrapJSONCallResult(this.shim.getNavigationBarItems(fileName));
|
|
}
|
|
getNavigationTree(fileName: string): ts.NavigationTree {
|
|
return unwrapJSONCallResult(this.shim.getNavigationTree(fileName));
|
|
}
|
|
getOutliningSpans(fileName: string): ts.OutliningSpan[] {
|
|
return unwrapJSONCallResult(this.shim.getOutliningSpans(fileName));
|
|
}
|
|
getTodoComments(fileName: string, descriptors: ts.TodoCommentDescriptor[]): ts.TodoComment[] {
|
|
return unwrapJSONCallResult(this.shim.getTodoComments(fileName, JSON.stringify(descriptors)));
|
|
}
|
|
getBraceMatchingAtPosition(fileName: string, position: number): ts.TextSpan[] {
|
|
return unwrapJSONCallResult(this.shim.getBraceMatchingAtPosition(fileName, position));
|
|
}
|
|
getIndentationAtPosition(fileName: string, position: number, options: ts.EditorOptions): number {
|
|
return unwrapJSONCallResult(this.shim.getIndentationAtPosition(fileName, position, JSON.stringify(options)));
|
|
}
|
|
getFormattingEditsForRange(fileName: string, start: number, end: number, options: ts.FormatCodeOptions): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.getFormattingEditsForRange(fileName, start, end, JSON.stringify(options)));
|
|
}
|
|
getFormattingEditsForDocument(fileName: string, options: ts.FormatCodeOptions): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.getFormattingEditsForDocument(fileName, JSON.stringify(options)));
|
|
}
|
|
getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: ts.FormatCodeOptions): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.getFormattingEditsAfterKeystroke(fileName, position, key, JSON.stringify(options)));
|
|
}
|
|
getDocCommentTemplateAtPosition(fileName: string, position: number, options?: ts.DocCommentTemplateOptions): ts.TextInsertion {
|
|
return unwrapJSONCallResult(this.shim.getDocCommentTemplateAtPosition(fileName, position, options));
|
|
}
|
|
isValidBraceCompletionAtPosition(fileName: string, position: number, openingBrace: number): boolean {
|
|
return unwrapJSONCallResult(this.shim.isValidBraceCompletionAtPosition(fileName, position, openingBrace));
|
|
}
|
|
getJsxClosingTagAtPosition(): never {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
getSpanOfEnclosingComment(fileName: string, position: number, onlyMultiLine: boolean): ts.TextSpan {
|
|
return unwrapJSONCallResult(this.shim.getSpanOfEnclosingComment(fileName, position, onlyMultiLine));
|
|
}
|
|
getCodeFixesAtPosition(): never {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
getCombinedCodeFix = ts.notImplemented;
|
|
applyCodeActionCommand = ts.notImplemented;
|
|
getCodeFixDiagnostics(): ts.Diagnostic[] {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
getEditsForRefactor(): ts.RefactorEditInfo {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
getApplicableRefactors(): ts.ApplicableRefactorInfo[] {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
organizeImports(_args: ts.OrganizeImportsArgs, _formatOptions: ts.FormatCodeSettings): readonly ts.FileTextChanges[] {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
getEditsForFileRename(): readonly ts.FileTextChanges[] {
|
|
throw new Error("Not supported on the shim.");
|
|
}
|
|
prepareCallHierarchy(fileName: string, position: number) {
|
|
return unwrapJSONCallResult(this.shim.prepareCallHierarchy(fileName, position));
|
|
}
|
|
provideCallHierarchyIncomingCalls(fileName: string, position: number) {
|
|
return unwrapJSONCallResult(this.shim.provideCallHierarchyIncomingCalls(fileName, position));
|
|
}
|
|
provideCallHierarchyOutgoingCalls(fileName: string, position: number) {
|
|
return unwrapJSONCallResult(this.shim.provideCallHierarchyOutgoingCalls(fileName, position));
|
|
}
|
|
provideInlayHints(fileName: string, span: ts.TextSpan, preference: ts.InlayHintsOptions) {
|
|
return unwrapJSONCallResult(this.shim.provideInlayHints(fileName, span, preference));
|
|
}
|
|
getEmitOutput(fileName: string): ts.EmitOutput {
|
|
return unwrapJSONCallResult(this.shim.getEmitOutput(fileName));
|
|
}
|
|
getProgram(): ts.Program {
|
|
throw new Error("Program can not be marshaled across the shim layer.");
|
|
}
|
|
getAutoImportProvider(): ts.Program | undefined {
|
|
throw new Error("Program can not be marshaled across the shim layer.");
|
|
}
|
|
getNonBoundSourceFile(): ts.SourceFile {
|
|
throw new Error("SourceFile can not be marshaled across the shim layer.");
|
|
}
|
|
getSourceFile(): ts.SourceFile {
|
|
throw new Error("SourceFile can not be marshaled across the shim layer.");
|
|
}
|
|
getSourceMapper(): never {
|
|
return ts.notImplemented();
|
|
}
|
|
clearSourceMapperCache(): never {
|
|
return ts.notImplemented();
|
|
}
|
|
toggleLineComment(fileName: string, textRange: ts.TextRange): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.toggleLineComment(fileName, textRange));
|
|
}
|
|
toggleMultilineComment(fileName: string, textRange: ts.TextRange): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.toggleMultilineComment(fileName, textRange));
|
|
}
|
|
commentSelection(fileName: string, textRange: ts.TextRange): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.commentSelection(fileName, textRange));
|
|
}
|
|
uncommentSelection(fileName: string, textRange: ts.TextRange): ts.TextChange[] {
|
|
return unwrapJSONCallResult(this.shim.uncommentSelection(fileName, textRange));
|
|
}
|
|
dispose(): void { this.shim.dispose({}); }
|
|
}
|
|
|
|
export class ShimLanguageServiceAdapter implements LanguageServiceAdapter {
|
|
private host: ShimLanguageServiceHost;
|
|
private factory: ts.TypeScriptServicesFactory;
|
|
constructor(preprocessToResolve: boolean, cancellationToken?: ts.HostCancellationToken, options?: ts.CompilerOptions) {
|
|
this.host = new ShimLanguageServiceHost(preprocessToResolve, cancellationToken, options);
|
|
this.factory = new ts.TypeScriptServicesFactory();
|
|
}
|
|
getHost() { return this.host; }
|
|
getLanguageService(): ts.LanguageService { return new LanguageServiceShimProxy(this.factory.createLanguageServiceShim(this.host)); }
|
|
getClassifier(): ts.Classifier { return new ClassifierShimProxy(this.factory.createClassifierShim(this.host)); }
|
|
getPreProcessedFileInfo(fileName: string, fileContents: string): ts.PreProcessedFileInfo {
|
|
const coreServicesShim = this.factory.createCoreServicesShim(this.host);
|
|
const shimResult: {
|
|
referencedFiles: ts.ShimsFileReference[];
|
|
typeReferenceDirectives: ts.ShimsFileReference[];
|
|
importedFiles: ts.ShimsFileReference[];
|
|
isLibFile: boolean;
|
|
} = unwrapJSONCallResult(coreServicesShim.getPreProcessedFileInfo(fileName, ts.ScriptSnapshot.fromString(fileContents)));
|
|
|
|
const convertResult: ts.PreProcessedFileInfo = {
|
|
referencedFiles: [],
|
|
importedFiles: [],
|
|
ambientExternalModules: [],
|
|
isLibFile: shimResult.isLibFile,
|
|
typeReferenceDirectives: [],
|
|
libReferenceDirectives: []
|
|
};
|
|
|
|
ts.forEach(shimResult.referencedFiles, refFile => {
|
|
convertResult.referencedFiles.push({
|
|
fileName: refFile.path,
|
|
pos: refFile.position,
|
|
end: refFile.position + refFile.length
|
|
});
|
|
});
|
|
|
|
ts.forEach(shimResult.importedFiles, importedFile => {
|
|
convertResult.importedFiles.push({
|
|
fileName: importedFile.path,
|
|
pos: importedFile.position,
|
|
end: importedFile.position + importedFile.length
|
|
});
|
|
});
|
|
|
|
ts.forEach(shimResult.typeReferenceDirectives, typeRefDirective => {
|
|
convertResult.importedFiles.push({
|
|
fileName: typeRefDirective.path,
|
|
pos: typeRefDirective.position,
|
|
end: typeRefDirective.position + typeRefDirective.length
|
|
});
|
|
});
|
|
return convertResult;
|
|
}
|
|
}
|
|
|
|
// Server adapter
|
|
class SessionClientHost extends NativeLanguageServiceHost implements ts.server.SessionClientHost {
|
|
private client!: ts.server.SessionClient;
|
|
|
|
constructor(cancellationToken: ts.HostCancellationToken | undefined, settings: ts.CompilerOptions | undefined) {
|
|
super(cancellationToken, settings);
|
|
}
|
|
|
|
onMessage = ts.noop;
|
|
writeMessage = ts.noop;
|
|
|
|
setClient(client: ts.server.SessionClient) {
|
|
this.client = client;
|
|
}
|
|
|
|
openFile(fileName: string, content?: string, scriptKindName?: "TS" | "JS" | "TSX" | "JSX"): void {
|
|
super.openFile(fileName, content, scriptKindName);
|
|
this.client.openFile(fileName, content, scriptKindName);
|
|
}
|
|
|
|
editScript(fileName: string, start: number, end: number, newText: string) {
|
|
const changeArgs = this.client.createChangeFileRequestArgs(fileName, start, end, newText);
|
|
super.editScript(fileName, start, end, newText);
|
|
this.client.changeFile(fileName, changeArgs);
|
|
}
|
|
}
|
|
|
|
class SessionServerHost implements ts.server.ServerHost, ts.server.Logger {
|
|
args: string[] = [];
|
|
newLine: string;
|
|
useCaseSensitiveFileNames = false;
|
|
|
|
constructor(private host: NativeLanguageServiceHost) {
|
|
this.newLine = this.host.getNewLine();
|
|
}
|
|
|
|
onMessage = ts.noop;
|
|
writeMessage = ts.noop; // overridden
|
|
write(message: string): void {
|
|
this.writeMessage(message);
|
|
}
|
|
|
|
readFile(fileName: string): string | undefined {
|
|
if (ts.stringContains(fileName, Compiler.defaultLibFileName)) {
|
|
fileName = Compiler.defaultLibFileName;
|
|
}
|
|
|
|
// System FS would follow symlinks, even though snapshots are stored by original file name
|
|
const snapshot = this.host.getScriptSnapshot(fileName) || this.host.getScriptSnapshot(this.realpath(fileName));
|
|
return snapshot && ts.getSnapshotText(snapshot);
|
|
}
|
|
|
|
realpath(path: string) {
|
|
return this.host.realpath(path);
|
|
}
|
|
|
|
writeFile = ts.noop;
|
|
|
|
resolvePath(path: string): string {
|
|
return path;
|
|
}
|
|
|
|
fileExists(path: string): boolean {
|
|
return this.host.fileExists(path);
|
|
}
|
|
|
|
directoryExists(): boolean {
|
|
// for tests assume that directory exists
|
|
return true;
|
|
}
|
|
|
|
getExecutingFilePath(): string {
|
|
return "";
|
|
}
|
|
|
|
exit = ts.noop;
|
|
|
|
createDirectory(_directoryName: string): void {
|
|
return ts.notImplemented();
|
|
}
|
|
|
|
getCurrentDirectory(): string {
|
|
return this.host.getCurrentDirectory();
|
|
}
|
|
|
|
getDirectories(path: string): string[] {
|
|
return this.host.getDirectories(path);
|
|
}
|
|
|
|
getEnvironmentVariable(name: string): string {
|
|
return ts.sys.getEnvironmentVariable(name);
|
|
}
|
|
|
|
readDirectory(path: string, extensions?: readonly string[], exclude?: readonly string[], include?: readonly string[], depth?: number): string[] {
|
|
return this.host.readDirectory(path, extensions, exclude, include, depth);
|
|
}
|
|
|
|
watchFile(): ts.FileWatcher {
|
|
return { close: ts.noop };
|
|
}
|
|
|
|
watchDirectory(): ts.FileWatcher {
|
|
return { close: ts.noop };
|
|
}
|
|
|
|
close = ts.noop;
|
|
|
|
info(message: string): void {
|
|
this.host.log(message);
|
|
}
|
|
|
|
msg(message: string): void {
|
|
this.host.log(message);
|
|
}
|
|
|
|
loggingEnabled() {
|
|
return true;
|
|
}
|
|
|
|
getLogFileName(): string | undefined {
|
|
return undefined;
|
|
}
|
|
|
|
hasLevel() {
|
|
return false;
|
|
}
|
|
|
|
startGroup() { throw ts.notImplemented(); }
|
|
endGroup() { throw ts.notImplemented(); }
|
|
|
|
perftrc(message: string): void {
|
|
return this.host.log(message);
|
|
}
|
|
|
|
setTimeout(callback: (...args: any[]) => void, ms: number, ...args: any[]): any {
|
|
// eslint-disable-next-line no-restricted-globals
|
|
return setTimeout(callback, ms, ...args);
|
|
}
|
|
|
|
clearTimeout(timeoutId: any): void {
|
|
// eslint-disable-next-line no-restricted-globals
|
|
clearTimeout(timeoutId);
|
|
}
|
|
|
|
setImmediate(callback: (...args: any[]) => void, _ms: number, ...args: any[]): any {
|
|
// eslint-disable-next-line no-restricted-globals
|
|
return setImmediate(callback, args);
|
|
}
|
|
|
|
clearImmediate(timeoutId: any): void {
|
|
// eslint-disable-next-line no-restricted-globals
|
|
clearImmediate(timeoutId);
|
|
}
|
|
|
|
createHash(s: string) {
|
|
return mockHash(s);
|
|
}
|
|
|
|
require(_initialDir: string, _moduleName: string): ts.RequireResult {
|
|
switch (_moduleName) {
|
|
// Adds to the Quick Info a fixed string and a string from the config file
|
|
// and replaces the first display part
|
|
case "quickinfo-augmeneter":
|
|
return {
|
|
module: () => ({
|
|
create(info: ts.server.PluginCreateInfo) {
|
|
const proxy = makeDefaultProxy(info);
|
|
const langSvc: any = info.languageService;
|
|
// eslint-disable-next-line only-arrow-functions
|
|
proxy.getQuickInfoAtPosition = function () {
|
|
const parts = langSvc.getQuickInfoAtPosition.apply(langSvc, arguments);
|
|
if (parts.displayParts.length > 0) {
|
|
parts.displayParts[0].text = "Proxied";
|
|
}
|
|
parts.displayParts.push({ text: info.config.message, kind: "punctuation" });
|
|
return parts;
|
|
};
|
|
|
|
return proxy;
|
|
}
|
|
}),
|
|
error: undefined
|
|
};
|
|
|
|
// Throws during initialization
|
|
case "create-thrower":
|
|
return {
|
|
module: () => ({
|
|
create() {
|
|
throw new Error("I am not a well-behaved plugin");
|
|
}
|
|
}),
|
|
error: undefined
|
|
};
|
|
|
|
// Adds another diagnostic
|
|
case "diagnostic-adder":
|
|
return {
|
|
module: () => ({
|
|
create(info: ts.server.PluginCreateInfo) {
|
|
const proxy = makeDefaultProxy(info);
|
|
proxy.getSemanticDiagnostics = filename => {
|
|
const prev = info.languageService.getSemanticDiagnostics(filename);
|
|
const sourceFile: ts.SourceFile = info.project.getSourceFile(ts.toPath(filename, /*basePath*/ undefined, ts.createGetCanonicalFileName(info.serverHost.useCaseSensitiveFileNames)))!;
|
|
prev.push({
|
|
category: ts.DiagnosticCategory.Warning,
|
|
file: sourceFile,
|
|
code: 9999,
|
|
length: 3,
|
|
messageText: `Plugin diagnostic`,
|
|
start: 0
|
|
});
|
|
return prev;
|
|
};
|
|
return proxy;
|
|
}
|
|
}),
|
|
error: undefined
|
|
};
|
|
|
|
// Accepts configurations
|
|
case "configurable-diagnostic-adder":
|
|
let customMessage = "default message";
|
|
return {
|
|
module: () => ({
|
|
create(info: ts.server.PluginCreateInfo) {
|
|
customMessage = info.config.message;
|
|
const proxy = makeDefaultProxy(info);
|
|
proxy.getSemanticDiagnostics = filename => {
|
|
const prev = info.languageService.getSemanticDiagnostics(filename);
|
|
const sourceFile: ts.SourceFile = info.project.getSourceFile(ts.toPath(filename, /*basePath*/ undefined, ts.createGetCanonicalFileName(info.serverHost.useCaseSensitiveFileNames)))!;
|
|
prev.push({
|
|
category: ts.DiagnosticCategory.Error,
|
|
file: sourceFile,
|
|
code: 9999,
|
|
length: 3,
|
|
messageText: customMessage,
|
|
start: 0
|
|
});
|
|
return prev;
|
|
};
|
|
return proxy;
|
|
},
|
|
onConfigurationChanged(config: any) {
|
|
customMessage = config.message;
|
|
}
|
|
}),
|
|
error: undefined
|
|
};
|
|
|
|
default:
|
|
return {
|
|
module: undefined,
|
|
error: new Error("Could not resolve module")
|
|
};
|
|
}
|
|
}
|
|
}
|
|
|
|
class FourslashSession extends ts.server.Session {
|
|
getText(fileName: string) {
|
|
return ts.getSnapshotText(this.projectService.getDefaultProjectForFile(ts.server.toNormalizedPath(fileName), /*ensureProject*/ true)!.getScriptSnapshot(fileName)!);
|
|
}
|
|
}
|
|
|
|
export class ServerLanguageServiceAdapter implements LanguageServiceAdapter {
|
|
private host: SessionClientHost;
|
|
private client: ts.server.SessionClient;
|
|
private server: FourslashSession;
|
|
constructor(cancellationToken?: ts.HostCancellationToken, options?: ts.CompilerOptions) {
|
|
// This is the main host that tests use to direct tests
|
|
const clientHost = new SessionClientHost(cancellationToken, options);
|
|
const client = new ts.server.SessionClient(clientHost);
|
|
|
|
// This host is just a proxy for the clientHost, it uses the client
|
|
// host to answer server queries about files on disk
|
|
const serverHost = new SessionServerHost(clientHost);
|
|
const opts: ts.server.SessionOptions = {
|
|
host: serverHost,
|
|
cancellationToken: ts.server.nullCancellationToken,
|
|
useSingleInferredProject: false,
|
|
useInferredProjectPerProjectRoot: false,
|
|
typingsInstaller: undefined!, // TODO: GH#18217
|
|
byteLength: Utils.byteLength,
|
|
hrtime: process.hrtime,
|
|
logger: serverHost,
|
|
canUseEvents: true
|
|
};
|
|
this.server = new FourslashSession(opts);
|
|
|
|
|
|
// Fake the connection between the client and the server
|
|
serverHost.writeMessage = client.onMessage.bind(client);
|
|
clientHost.writeMessage = this.server.onMessage.bind(this.server);
|
|
|
|
// Wire the client to the host to get notifications when a file is open
|
|
// or edited.
|
|
clientHost.setClient(client);
|
|
|
|
// Set the properties
|
|
this.client = client;
|
|
this.host = clientHost;
|
|
}
|
|
getHost() { return this.host; }
|
|
getLanguageService(): ts.LanguageService { return this.client; }
|
|
getClassifier(): ts.Classifier { throw new Error("getClassifier is not available using the server interface."); }
|
|
getPreProcessedFileInfo(): ts.PreProcessedFileInfo { throw new Error("getPreProcessedFileInfo is not available using the server interface."); }
|
|
assertTextConsistent(fileName: string) {
|
|
const serverText = this.server.getText(fileName);
|
|
const clientText = this.host.readFile(fileName);
|
|
ts.Debug.assert(serverText === clientText, [
|
|
"Server and client text are inconsistent.",
|
|
"",
|
|
"\x1b[1mServer\x1b[0m\x1b[31m:",
|
|
serverText,
|
|
"",
|
|
"\x1b[1mClient\x1b[0m\x1b[31m:",
|
|
clientText,
|
|
"",
|
|
"This probably means something is wrong with the fourslash infrastructure, not with the test."
|
|
].join(ts.sys.newLine));
|
|
}
|
|
}
|
|
}
|