mirror of
https://github.com/microsoft/TypeScript.git
synced 2026-02-11 10:00:13 -06:00
603 lines
26 KiB
TypeScript
603 lines
26 KiB
TypeScript
/// <reference path='..\services\services.ts' />
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/// <reference path='..\services\shims.ts' />
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/// <reference path='..\server\client.ts' />
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/// <reference path='harness.ts' />
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module Harness.LanguageService {
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export class ScriptInfo {
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public version: number = 1;
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public editRanges: { length: number; textChangeRange: ts.TextChangeRange; }[] = [];
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public lineMap: number[] = null;
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constructor(public fileName: string, public content: string) {
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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 = ts.computeLineStarts(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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let prefix = this.content.substring(0, start);
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let middle = newText;
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let 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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let initialEditRangeIndex = this.editRanges.length - (this.version - startVersion);
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let lastEditRangeIndex = this.editRanges.length - (this.version - endVersion);
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let 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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let oldShim = <ScriptSnapshot>oldScript;
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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(public 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 {
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let oldShim = <ScriptSnapshotProxy>oldScript;
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let range = this.scriptSnapshot.getChangeRange(oldShim.scriptSnapshot);
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if (range === null) {
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return null;
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}
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return JSON.stringify({ span: { start: range.span.start, length: range.span.length }, newLength: range.newLength });
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}
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}
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class DefaultHostCancellationToken implements ts.HostCancellationToken {
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public static 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 class LanguageServiceAdapterHost {
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protected fileNameToScript: ts.Map<ScriptInfo> = {};
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constructor(protected cancellationToken = DefaultHostCancellationToken.Instance,
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protected settings = ts.getDefaultCompilerOptions()) {
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}
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public getNewLine(): string {
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return "\r\n";
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}
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public getFilenames(): string[] {
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let fileNames: string[] = [];
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ts.forEachKey(this.fileNameToScript, (fileName) => { fileNames.push(fileName); });
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return fileNames;
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}
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public getScriptInfo(fileName: string): ScriptInfo {
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return ts.lookUp(this.fileNameToScript, fileName);
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}
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public addScript(fileName: string, content: string): void {
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this.fileNameToScript[fileName] = new ScriptInfo(fileName, content);
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}
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public editScript(fileName: string, start: number, end: number, newText: string) {
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let script = this.getScriptInfo(fileName);
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if (script !== null) {
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script.editContent(start, end, newText);
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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): void {
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}
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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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let script: ScriptInfo = this.fileNameToScript[fileName];
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assert.isNotNull(script);
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return ts.computeLineAndCharacterOfPosition(script.lineMap, position);
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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 {
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getCompilationSettings() { return this.settings; }
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getCancellationToken() { return this.cancellationToken; }
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getCurrentDirectory(): string { return ""; }
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getDefaultLibFileName(): string { return ""; }
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getScriptFileNames(): string[] { return this.getFilenames(); }
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getScriptSnapshot(fileName: string): ts.IScriptSnapshot {
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let script = this.getScriptInfo(fileName);
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return script ? new ScriptSnapshot(script) : undefined;
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}
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getScriptVersion(fileName: string): string {
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let script = this.getScriptInfo(fileName);
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return script ? script.version.toString() : undefined;
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}
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log(s: string): void { }
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trace(s: string): void { }
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error(s: string): void { }
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}
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export class NativeLanugageServiceAdapter 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() { 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); }
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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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constructor(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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}
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getFilenames(): string[] { return this.nativeHost.getFilenames(); }
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getScriptInfo(fileName: string): ScriptInfo { return this.nativeHost.getScriptInfo(fileName); }
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addScript(fileName: string, content: string): void { this.nativeHost.addScript(fileName, content); }
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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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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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let nativeScriptSnapshot = this.nativeHost.getScriptSnapshot(fileName);
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return nativeScriptSnapshot && new ScriptSnapshotProxy(nativeScriptSnapshot);
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}
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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(rootDir: string, extension: string): string {
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throw new Error("NYI");
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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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}
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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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throw new Error("NYI");
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}
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getClassificationsForLine(text: string, lexState: ts.EndOfLineState, classifyKeywordsInGenerics?: boolean): ts.ClassificationResult {
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let result = this.shim.getClassificationsForLine(text, lexState, classifyKeywordsInGenerics).split('\n');
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let 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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let 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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let 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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let 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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private unwrappJSONCallResult(result: string): any {
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let 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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return parsedResult.result;
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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.Diagnostic[] {
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return unwrapJSONCallResult(this.shim.getSyntacticDiagnostics(fileName));
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}
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getSemanticDiagnostics(fileName: string): ts.Diagnostic[] {
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return unwrapJSONCallResult(this.shim.getSemanticDiagnostics(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): ts.ClassifiedSpan[] {
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return unwrapJSONCallResult(this.shim.getSemanticClassifications(fileName, span.start, span.length));
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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): ts.Classifications {
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return unwrapJSONCallResult(this.shim.getEncodedSemanticClassifications(fileName, span.start, span.length));
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}
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getCompletionsAtPosition(fileName: string, position: number): ts.CompletionInfo {
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return unwrapJSONCallResult(this.shim.getCompletionsAtPosition(fileName, position));
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}
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getCompletionEntryDetails(fileName: string, position: number, entryName: string): ts.CompletionEntryDetails {
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return unwrapJSONCallResult(this.shim.getCompletionEntryDetails(fileName, position, entryName));
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}
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getQuickInfoAtPosition(fileName: string, position: number): ts.QuickInfo {
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return unwrapJSONCallResult(this.shim.getQuickInfoAtPosition(fileName, position));
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}
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getNameOrDottedNameSpan(fileName: string, startPos: number, endPos: number): ts.TextSpan {
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return unwrapJSONCallResult(this.shim.getNameOrDottedNameSpan(fileName, startPos, endPos));
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}
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getBreakpointStatementAtPosition(fileName: string, position: number): ts.TextSpan {
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return unwrapJSONCallResult(this.shim.getBreakpointStatementAtPosition(fileName, position));
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}
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getSignatureHelpItems(fileName: string, position: number): ts.SignatureHelpItems {
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return unwrapJSONCallResult(this.shim.getSignatureHelpItems(fileName, position));
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}
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getRenameInfo(fileName: string, position: number): ts.RenameInfo {
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return unwrapJSONCallResult(this.shim.getRenameInfo(fileName, position));
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}
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findRenameLocations(fileName: string, position: number, findInStrings: boolean, findInComments: boolean): ts.RenameLocation[] {
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return unwrapJSONCallResult(this.shim.findRenameLocations(fileName, position, findInStrings, findInComments));
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}
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getDefinitionAtPosition(fileName: string, position: number): ts.DefinitionInfo[] {
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return unwrapJSONCallResult(this.shim.getDefinitionAtPosition(fileName, position));
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}
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getTypeDefinitionAtPosition(fileName: string, position: number): ts.DefinitionInfo[]{
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return unwrapJSONCallResult(this.shim.getTypeDefinitionAtPosition(fileName, position));
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}
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getReferencesAtPosition(fileName: string, position: number): ts.ReferenceEntry[] {
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return unwrapJSONCallResult(this.shim.getReferencesAtPosition(fileName, position));
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}
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findReferences(fileName: string, position: number): ts.ReferencedSymbol[] {
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return unwrapJSONCallResult(this.shim.findReferences(fileName, position));
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}
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getOccurrencesAtPosition(fileName: string, position: number): ts.ReferenceEntry[] {
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return unwrapJSONCallResult(this.shim.getOccurrencesAtPosition(fileName, position));
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}
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getDocumentHighlights(fileName: string, position: number, filesToSearch: string[]): ts.DocumentHighlights[] {
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return unwrapJSONCallResult(this.shim.getDocumentHighlights(fileName, position, JSON.stringify(filesToSearch)));
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}
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getNavigateToItems(searchValue: string): ts.NavigateToItem[] {
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return unwrapJSONCallResult(this.shim.getNavigateToItems(searchValue));
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}
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getNavigationBarItems(fileName: string): ts.NavigationBarItem[] {
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return unwrapJSONCallResult(this.shim.getNavigationBarItems(fileName));
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}
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getOutliningSpans(fileName: string): ts.OutliningSpan[] {
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return unwrapJSONCallResult(this.shim.getOutliningSpans(fileName));
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}
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getTodoComments(fileName: string, descriptors: ts.TodoCommentDescriptor[]): ts.TodoComment[] {
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return unwrapJSONCallResult(this.shim.getTodoComments(fileName, JSON.stringify(descriptors)));
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}
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getBraceMatchingAtPosition(fileName: string, position: number): ts.TextSpan[] {
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return unwrapJSONCallResult(this.shim.getBraceMatchingAtPosition(fileName, position));
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}
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getIndentationAtPosition(fileName: string, position: number, options: ts.EditorOptions): number {
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return unwrapJSONCallResult(this.shim.getIndentationAtPosition(fileName, position, JSON.stringify(options)));
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}
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getFormattingEditsForRange(fileName: string, start: number, end: number, options: ts.FormatCodeOptions): ts.TextChange[] {
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return unwrapJSONCallResult(this.shim.getFormattingEditsForRange(fileName, start, end, JSON.stringify(options)));
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}
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getFormattingEditsForDocument(fileName: string, options: ts.FormatCodeOptions): ts.TextChange[] {
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return unwrapJSONCallResult(this.shim.getFormattingEditsForDocument(fileName, JSON.stringify(options)));
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}
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getFormattingEditsAfterKeystroke(fileName: string, position: number, key: string, options: ts.FormatCodeOptions): ts.TextChange[] {
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return unwrapJSONCallResult(this.shim.getFormattingEditsAfterKeystroke(fileName, position, key, JSON.stringify(options)));
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}
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getEmitOutput(fileName: string): ts.EmitOutput {
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return unwrapJSONCallResult(this.shim.getEmitOutput(fileName));
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}
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getProgram(): ts.Program {
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throw new Error("Program can not be marshaled across the shim layer.");
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}
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getSourceFile(fileName: string): ts.SourceFile {
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throw new Error("SourceFile can not be marshaled across the shim layer.");
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}
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dispose(): void { this.shim.dispose({}); }
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}
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export class ShimLanugageServiceAdapter implements LanguageServiceAdapter {
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private host: ShimLanguageServiceHost;
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private factory: ts.TypeScriptServicesFactory;
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constructor(cancellationToken?: ts.HostCancellationToken, options?: ts.CompilerOptions) {
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this.host = new ShimLanguageServiceHost(cancellationToken, options);
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this.factory = new TypeScript.Services.TypeScriptServicesFactory();
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}
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getHost() { return this.host; }
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getLanguageService(): ts.LanguageService { return new LanguageServiceShimProxy(this.factory.createLanguageServiceShim(this.host)); }
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getClassifier(): ts.Classifier { return new ClassifierShimProxy(this.factory.createClassifierShim(this.host)); }
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getPreProcessedFileInfo(fileName: string, fileContents: string): ts.PreProcessedFileInfo {
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let shimResult: {
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referencedFiles: ts.IFileReference[];
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importedFiles: ts.IFileReference[];
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isLibFile: boolean;
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};
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let coreServicesShim = this.factory.createCoreServicesShim(this.host);
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shimResult = unwrapJSONCallResult(coreServicesShim.getPreProcessedFileInfo(fileName, ts.ScriptSnapshot.fromString(fileContents)));
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let convertResult: ts.PreProcessedFileInfo = {
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referencedFiles: [],
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importedFiles: [],
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isLibFile: shimResult.isLibFile
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};
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ts.forEach(shimResult.referencedFiles, refFile => {
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convertResult.referencedFiles.push({
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fileName: refFile.path,
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pos: refFile.position,
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end: refFile.position + refFile.length
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});
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});
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ts.forEach(shimResult.importedFiles, importedFile => {
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convertResult.importedFiles.push({
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fileName: importedFile.path,
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pos: importedFile.position,
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end: importedFile.position + importedFile.length
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});
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});
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return convertResult;
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}
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}
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// Server adapter
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class SessionClientHost extends NativeLanguageServiceHost implements ts.server.SessionClientHost {
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private client: ts.server.SessionClient;
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constructor(cancellationToken: ts.HostCancellationToken, settings: ts.CompilerOptions) {
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super(cancellationToken, settings);
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}
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onMessage(message: string): void {
|
|
|
|
}
|
|
|
|
writeMessage(message: string): void {
|
|
|
|
}
|
|
|
|
setClient(client: ts.server.SessionClient) {
|
|
this.client = client;
|
|
}
|
|
|
|
openFile(fileName: string): void {
|
|
super.openFile(fileName);
|
|
this.client.openFile(fileName);
|
|
}
|
|
|
|
editScript(fileName: string, start: number, end: number, newText: string) {
|
|
super.editScript(fileName, start, end, newText);
|
|
this.client.changeFile(fileName, start, end, newText);
|
|
}
|
|
}
|
|
|
|
class SessionServerHost implements ts.server.ServerHost, ts.server.Logger {
|
|
args: string[] = [];
|
|
newLine: string;
|
|
useCaseSensitiveFileNames: boolean = false;
|
|
|
|
constructor(private host: NativeLanguageServiceHost) {
|
|
this.newLine = this.host.getNewLine();
|
|
}
|
|
|
|
onMessage(message: string): void {
|
|
|
|
}
|
|
|
|
writeMessage(message: string): void {
|
|
}
|
|
|
|
write(message: string): void {
|
|
this.writeMessage(message);
|
|
}
|
|
|
|
|
|
readFile(fileName: string): string {
|
|
if (fileName.indexOf(Harness.Compiler.defaultLibFileName) >= 0) {
|
|
fileName = Harness.Compiler.defaultLibFileName;
|
|
}
|
|
|
|
let snapshot = this.host.getScriptSnapshot(fileName);
|
|
return snapshot && snapshot.getText(0, snapshot.getLength());
|
|
}
|
|
|
|
writeFile(name: string, text: string, writeByteOrderMark: boolean): void {
|
|
}
|
|
|
|
resolvePath(path: string): string {
|
|
return path;
|
|
}
|
|
|
|
fileExists(path: string): boolean {
|
|
return !!this.host.getScriptSnapshot(path);
|
|
}
|
|
|
|
directoryExists(path: string): boolean {
|
|
return false;
|
|
}
|
|
|
|
getExecutingFilePath(): string {
|
|
return "";
|
|
}
|
|
|
|
exit(exitCode: number): void {
|
|
}
|
|
|
|
createDirectory(directoryName: string): void {
|
|
throw new Error("Not Implemented Yet.");
|
|
}
|
|
|
|
getCurrentDirectory(): string {
|
|
return this.host.getCurrentDirectory();
|
|
}
|
|
|
|
readDirectory(path: string, extension?: string): string[] {
|
|
throw new Error("Not implemented Yet.");
|
|
}
|
|
|
|
watchFile(fileName: string, callback: (fileName: string) => void): ts.FileWatcher {
|
|
return { close() { } };
|
|
}
|
|
|
|
close(): void {
|
|
}
|
|
|
|
info(message: string): void {
|
|
return this.host.log(message);
|
|
}
|
|
|
|
msg(message: string) {
|
|
return this.host.log(message);
|
|
}
|
|
|
|
loggingEnabled() {
|
|
return true;
|
|
}
|
|
|
|
isVerbose() {
|
|
return false;
|
|
}
|
|
|
|
|
|
endGroup(): void {
|
|
}
|
|
|
|
perftrc(message: string): void {
|
|
return this.host.log(message);
|
|
}
|
|
|
|
startGroup(): void {
|
|
}
|
|
}
|
|
|
|
export class ServerLanugageServiceAdapter implements LanguageServiceAdapter {
|
|
private host: SessionClientHost;
|
|
private client: ts.server.SessionClient;
|
|
constructor(cancellationToken?: ts.HostCancellationToken, options?: ts.CompilerOptions) {
|
|
// This is the main host that tests use to direct tests
|
|
let clientHost = new SessionClientHost(cancellationToken, options);
|
|
let 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
|
|
let serverHost = new SessionServerHost(clientHost);
|
|
let server = new ts.server.Session(serverHost, Buffer.byteLength, process.hrtime, serverHost);
|
|
|
|
// Fake the connection between the client and the server
|
|
serverHost.writeMessage = client.onMessage.bind(client);
|
|
clientHost.writeMessage = server.onMessage.bind(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(fileName: string, fileContents: string): ts.PreProcessedFileInfo { throw new Error("getPreProcessedFileInfo is not available using the server interface."); }
|
|
}
|
|
}
|
|
|