Merge pull request #2041 from Microsoft/TSServer

TS Server

Jakefile

@@ -8,6 +8,7 @@ var child_process = require("child_process");
 // Variables
 var compilerDirectory = "src/compiler/";
 var servicesDirectory = "src/services/";
+var serverDirectory = "src/server/";
 var harnessDirectory = "src/harness/";
 var libraryDirectory = "src/lib/";
 var scriptsDirectory = "scripts/";
@@ -90,6 +91,16 @@ var servicesSources = [
     return path.join(servicesDirectory, f);
 }));
 
+var serverSources = [
+    "node.d.ts",
+    "editorServices.ts",
+    "protocol.d.ts",
+    "session.ts",
+    "server.ts"
+].map(function (f) {
+    return path.join(serverDirectory, f);
+});
+
 var definitionsRoots = [
     "compiler/types.d.ts",
     "compiler/scanner.d.ts",
@@ -130,6 +141,13 @@ var harnessSources = [
     "services/preProcessFile.ts"
 ].map(function (f) {
     return path.join(unittestsDirectory, f);
+})).concat([
+    "protocol.d.ts",
+    "session.ts",
+    "client.ts",
+    "editorServices.ts",
+].map(function (f) {
+    return path.join(serverDirectory, f);
 }));
 
 var librarySourceMap = [
@@ -327,6 +345,7 @@ var tscFile = path.join(builtLocalDirectory, compilerFilename);
 compileFile(tscFile, compilerSources, [builtLocalDirectory, copyright].concat(compilerSources), [copyright], /*useBuiltCompiler:*/ false);
 
 var servicesFile = path.join(builtLocalDirectory, "typescriptServices.js");
+var nodePackageFile = path.join(builtLocalDirectory, "typescript.js");
 compileFile(servicesFile, servicesSources,[builtLocalDirectory, copyright].concat(servicesSources),
             /*prefixes*/ [copyright],
             /*useBuiltCompiler*/ true,
@@ -336,7 +355,10 @@ compileFile(servicesFile, servicesSources,[builtLocalDirectory, copyright].conca
             /*preserveConstEnums*/ true,
             /*keepComments*/ false,
             /*noResolve*/ false,
-            /*stripInternal*/ false);
+            /*stripInternal*/ false,
+            /*callback*/ function () { 
+                jake.cpR(servicesFile, nodePackageFile, {silent: true});
+            });
 
 var nodeDefinitionsFile = path.join(builtLocalDirectory, "typescript.d.ts");
 var standaloneDefinitionsFile = path.join(builtLocalDirectory, "typescriptServices.d.ts");
@@ -378,9 +400,12 @@ compileFile(nodeDefinitionsFile, servicesSources,[builtLocalDirectory, copyright
                 jake.rmRf(tempDirPath, {silent: true});
            });
 
+var serverFile = path.join(builtLocalDirectory, "tsserver.js");
+compileFile(serverFile, serverSources,[builtLocalDirectory, copyright].concat(serverSources), /*prefixes*/ [copyright], /*useBuiltCompiler*/ true);
+
 // Local target to build the compiler and services
 desc("Builds the full compiler and services");
-task("local", ["generate-diagnostics", "lib", tscFile, servicesFile, nodeDefinitionsFile]);
+task("local", ["generate-diagnostics", "lib", tscFile, servicesFile, nodeDefinitionsFile, serverFile]);
 
 // Local target to build only tsc.js
 desc("Builds only the compiler");
@@ -435,7 +460,7 @@ task("generate-spec", [specMd])
 // Makes a new LKG. This target does not build anything, but errors if not all the outputs are present in the built/local directory
 desc("Makes a new LKG out of the built js files");
 task("LKG", ["clean", "release", "local"].concat(libraryTargets), function() {
-    var expectedFiles = [tscFile, servicesFile, nodeDefinitionsFile, standaloneDefinitionsFile, internalNodeDefinitionsFile, internalStandaloneDefinitionsFile].concat(libraryTargets);
+    var expectedFiles = [tscFile, servicesFile, nodePackageFile, nodeDefinitionsFile, standaloneDefinitionsFile, internalNodeDefinitionsFile, internalStandaloneDefinitionsFile].concat(libraryTargets);
     var missingFiles = expectedFiles.filter(function (f) {
         return !fs.existsSync(f);
     });

bin/tsserver

@@ -0,0 +1,2 @@
+#!/usr/bin/env node
+require('./tsserver.js')

package.json

@@ -25,9 +25,10 @@
         "url": "https://github.com/Microsoft/TypeScript.git"
     },
     "preferGlobal": true,
-    "main": "./bin/typescriptServices.js",
+    "main": "./bin/typescript.js",
     "bin": {
-        "tsc": "./bin/tsc"
+        "tsc": "./bin/tsc",
+        "tsserver": "./bin/tsserver"
     },
     "engines": {
         "node": ">=0.8.0"

src/harness/fourslash.ts

@@ -282,6 +282,8 @@ module FourSlash {
                     return new Harness.LanguageService.NativeLanugageServiceAdapter(cancellationToken, compilationOptions);
                 case FourSlashTestType.Shims:
                     return new Harness.LanguageService.ShimLanugageServiceAdapter(cancellationToken, compilationOptions);
+                case FourSlashTestType.Server:
+                    return new Harness.LanguageService.ServerLanugageServiceAdapter(cancellationToken, compilationOptions);
                 default:
                     throw new Error("Unknown FourSlash test type: ");
             }
@@ -418,6 +420,9 @@ module FourSlash {
             this.activeFile = fileToOpen;
             var fileName = fileToOpen.fileName.replace(Harness.IO.directoryName(fileToOpen.fileName), '').substr(1);
             this.scenarioActions.push('<OpenFile FileName="" SrcFileId="' + fileName + '" FileId="' + fileName + '" />');
+
+            // Let the host know that this file is now open
+            this.languageServiceAdapterHost.openFile(fileToOpen.fileName);
         }
 
         public verifyErrorExistsBetweenMarkers(startMarkerName: string, endMarkerName: string, negative: boolean) {
@@ -1927,7 +1932,7 @@ module FourSlash {
             }
 
             var missingItem = { name: name, kind: kind };
-            this.raiseError('verifyGetScriptLexicalStructureListContains failed - could not find the item: ' + JSON.stringify(missingItem) + ' in the returned list: (' + JSON.stringify(items) + ')');
+            this.raiseError('verifyGetScriptLexicalStructureListContains failed - could not find the item: ' + JSON.stringify(missingItem) + ' in the returned list: (' + JSON.stringify(items, null, " ") + ')');
         }
 
         private navigationBarItemsContains(items: ts.NavigationBarItem[], name: string, kind: string) {

src/harness/fourslashRunner.ts

@@ -4,7 +4,8 @@
 
 const enum FourSlashTestType { 
     Native,
-    Shims
+    Shims,
+    Server
 }
 
 class FourSlashRunner extends RunnerBase {
@@ -22,6 +23,10 @@ class FourSlashRunner extends RunnerBase {
                 this.basePath = 'tests/cases/fourslash/shims';
                 this.testSuiteName = 'fourslash-shims';
                 break;
+            case FourSlashTestType.Server:
+                this.basePath = 'tests/cases/fourslash/server';
+                this.testSuiteName = 'fourslash-server';
+                break;
         }
     }
 

src/harness/harness.ts

@@ -16,14 +16,15 @@
 
 /// <reference path='..\services\services.ts' />
 /// <reference path='..\services\shims.ts' />
+/// <reference path='..\server\session.ts' />
+/// <reference path='..\server\client.ts' />
+/// <reference path='..\server\node.d.ts' />
 /// <reference path='external\mocha.d.ts'/>
 /// <reference path='external\chai.d.ts'/>
 /// <reference path='sourceMapRecorder.ts'/>
 /// <reference path='runnerbase.ts'/>
 
-declare var require: any;
-declare var process: any;
-var Buffer = require('buffer').Buffer;
+var Buffer: BufferConstructor = require('buffer').Buffer;
 
 // this will work in the browser via browserify
 var _chai: typeof chai = require('chai');

src/harness/harnessLanguageService.ts

@@ -1,5 +1,6 @@
 /// <reference path='..\services\services.ts' />
 /// <reference path='..\services\shims.ts' />
+/// <reference path='..\server\client.ts' />
 /// <reference path='harness.ts' />
 
 module Harness.LanguageService {
@@ -23,18 +24,18 @@ module Harness.LanguageService {
             this.version++;
         }
 
-        public editContent(minChar: number, limChar: number, newText: string): void {
+        public editContent(start: number, end: number, newText: string): void {
             // Apply edits
-            var prefix = this.content.substring(0, minChar);
+            var prefix = this.content.substring(0, start);
             var middle = newText;
-            var suffix = this.content.substring(limChar);
+            var suffix = this.content.substring(end);
             this.setContent(prefix + middle + suffix);
 
             // Store edit range + new length of script
             this.editRanges.push({
                 length: this.content.length,
                 textChangeRange: ts.createTextChangeRange(
-                    ts.createTextSpanFromBounds(minChar, limChar), newText.length)
+                    ts.createTextSpanFromBounds(start, end), newText.length)
             });
 
             // Update version #
@@ -145,24 +146,17 @@ module Harness.LanguageService {
             this.fileNameToScript[fileName] = new ScriptInfo(fileName, content);
         }
 
-        public updateScript(fileName: string, content: string) {
+        public editScript(fileName: string, start: number, end: number, newText: string) {
             var script = this.getScriptInfo(fileName);
             if (script !== null) {
-                script.updateContent(content);
+                script.editContent(start, end, newText);
                 return;
             }
 
-            this.addScript(fileName, content);
+            throw new Error("No script with name '" + fileName + "'");
         }
 
-        public editScript(fileName: string, minChar: number, limChar: number, newText: string) {
-            var script = this.getScriptInfo(fileName);
-            if (script !== null) {
-                script.editContent(minChar, limChar, newText);
-                return;
-            }
-
-            throw new Error("No script with name '" + fileName + "'");
+        public openFile(fileName: string): void {
         }
 
         /**
@@ -236,8 +230,7 @@ module Harness.LanguageService {
         getFilenames(): string[] { return this.nativeHost.getFilenames(); }
         getScriptInfo(fileName: string): ScriptInfo { return this.nativeHost.getScriptInfo(fileName); }
         addScript(fileName: string, content: string): void { this.nativeHost.addScript(fileName, content); }
-        updateScript(fileName: string, content: string): void { return this.nativeHost.updateScript(fileName, content); }
-        editScript(fileName: string, minChar: number, limChar: number, newText: string): void { this.nativeHost.editScript(fileName, minChar, limChar, newText); }
+        editScript(fileName: string, start: number, end: number, newText: string): void { this.nativeHost.editScript(fileName, start, end, newText); }
         lineColToPosition(fileName: string, line: number, col: number): number { return this.nativeHost.lineColToPosition(fileName, line, col); }
         positionToZeroBasedLineCol(fileName: string, position: number): ts.LineAndCharacter { return this.nativeHost.positionToZeroBasedLineCol(fileName, position); }
 
@@ -442,5 +435,156 @@ module Harness.LanguageService {
             return convertResult;
         }
     }
+
+    // Server adapter
+    class SessionClientHost extends NativeLanguageServiceHost implements ts.server.SessionClientHost { 
+        private client: ts.server.SessionClient;
+
+        constructor(cancellationToken: ts.CancellationToken, settings: ts.CompilerOptions) {
+            super(cancellationToken, settings);
+        }
+
+        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;
+            }
+
+            var 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);
+        }
+
+        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.CancellationToken, options?: ts.CompilerOptions) {
+            // This is the main host that tests use to direct tests
+            var clientHost = new SessionClientHost(cancellationToken, options);
+            var 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
+            var serverHost = new SessionServerHost(clientHost);
+            var server = new ts.server.Session(serverHost, 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."); }
+    }
 }