Update Harness.compileFiles to use vfs

Author: rbuckton

Jakefile.js

@@ -91,88 +91,7 @@ var languageServiceLibrarySources = filesFromConfig(path.join(serverDirectory, "
 
 var typesMapOutputPath = path.join(builtLocalDirectory, 'typesMap.json');
 
-var harnessCoreSources = [
-    "harness.ts",
-    "collections.ts",
-    "vpath.ts",
-    "events.ts",
-    "vfs.ts",
-    "virtualFileSystemWithWatch.ts",
-    "sourceMapRecorder.ts",
-    "harnessLanguageService.ts",
-    "fourslash.ts",
-    "runnerbase.ts",
-    "compilerRunner.ts",
-    "typeWriter.ts",
-    "fourslashRunner.ts",
-    "projectsRunner.ts",
-    "loggedIO.ts",
-    "rwcRunner.ts",
-    "userRunner.ts",
-    "test262Runner.ts",
-    "./parallel/shared.ts",
-    "./parallel/host.ts",
-    "./parallel/worker.ts",
-    "runner.ts"
-].map(function (f) {
-    return path.join(harnessDirectory, f);
-});
-
-var harnessSources = harnessCoreSources.concat([
-    "incrementalParser.ts",
-    "jsDocParsing.ts",
-    "services/colorization.ts",
-    "services/documentRegistry.ts",
-    "services/preProcessFile.ts",
-    "services/patternMatcher.ts",
-    "session.ts",
-    "versionCache.ts",
-    "convertToBase64.ts",
-    "transpile.ts",
-    "reuseProgramStructure.ts",
-    "textStorage.ts",
-    "moduleResolution.ts",
-    "tsconfigParsing.ts",
-    "builder.ts",
-    "commandLineParsing.ts",
-    "configurationExtension.ts",
-    "convertCompilerOptionsFromJson.ts",
-    "convertTypeAcquisitionFromJson.ts",
-    "tsserverProjectSystem.ts",
-    "tscWatchMode.ts",
-    "compileOnSave.ts",
-    "typingsInstaller.ts",
-    "projectErrors.ts",
-    "matchFiles.ts",
-    "initializeTSConfig.ts",
-    "extractConstants.ts",
-    "extractFunctions.ts",
-    "extractRanges.ts",
-    "extractTestHelpers.ts",
-    "printer.ts",
-    "textChanges.ts",
-    "telemetry.ts",
-    "transform.ts",
-    "customTransforms.ts",
-    "programMissingFiles.ts",
-    "symbolWalker.ts",
-    "languageService.ts",
-    "publicApi.ts",
-    "hostNewLineSupport.ts",
-].map(function (f) {
-    return path.join(unittestsDirectory, f);
-})).concat([
-    "protocol.ts",
-    "utilities.ts",
-    "scriptVersionCache.ts",
-    "scriptInfo.ts",
-    "project.ts",
-    "typingsCache.ts",
-    "editorServices.ts",
-    "session.ts",
-].map(function (f) {
-    return path.join(serverDirectory, f);
-}));
+var harnessSources = filesFromConfig("./src/harness/tsconfig.json");
 
 var es2015LibrarySources = [
     "es2015.core.d.ts",

src/compiler/core.ts

@@ -1749,7 +1749,7 @@ namespace ts {
     }
 
     function getDiagnosticFileName(diagnostic: Diagnostic): string {
-        return diagnostic.file ? diagnostic.file.fileName : undefined;
+        return diagnostic.file ? diagnostic.file.path : undefined;
     }
 
     export function compareDiagnostics(d1: Diagnostic, d2: Diagnostic): Comparison {

src/compiler/emitter.ts

@@ -50,7 +50,8 @@ namespace ts {
     // JavaScript files are always LanguageVariant.JSX, as JSX syntax is allowed in .js files also.
     // So for JavaScript files, '.jsx' is only emitted if the input was '.jsx', and JsxEmit.Preserve.
     // For TypeScript, the only time to emit with a '.jsx' extension, is on JSX input, and JsxEmit.Preserve
-    function getOutputExtension(sourceFile: SourceFile, options: CompilerOptions): Extension {
+    /* @internal */
+    export function getOutputExtension(sourceFile: SourceFile, options: CompilerOptions): Extension {
         if (options.jsx === JsxEmit.Preserve) {
             if (isSourceFileJavaScript(sourceFile)) {
                 if (fileExtensionIs(sourceFile.fileName, Extension.Jsx)) {