Merge branch 'master' into parallelAsyncTests

Author: rbuckton

.gitignore

@@ -23,6 +23,8 @@ tests/services/browser/typescriptServices.js
 src/harness/*.js
 src/compiler/diagnosticInformationMap.generated.ts
 src/compiler/diagnosticMessages.generated.json
+src/parser/diagnosticInformationMap.generated.ts
+src/parser/diagnosticMessages.generated.json
 rwc-report.html
 *.swp
 build.json
@@ -44,6 +46,7 @@ scripts/configurePrerelease.js
 scripts/open-user-pr.js
 scripts/processDiagnosticMessages.d.ts
 scripts/processDiagnosticMessages.js
+scripts/produceLKG.js
 scripts/importDefinitelyTypedTests/importDefinitelyTypedTests.js
 scripts/generateLocalizedDiagnosticMessages.js
 scripts/*.js.map

Gulpfile.js

@@ -11,6 +11,8 @@ const concat = require("gulp-concat");
 const clone = require("gulp-clone");
 const newer = require("gulp-newer");
 const tsc = require("gulp-typescript");
+const tsc_oop = require("./scripts/build/gulp-typescript-oop");
+const getDirSize = require("./scripts/build/getDirSize");
 const insert = require("gulp-insert");
 const sourcemaps = require("gulp-sourcemaps");
 const Q = require("q");
@@ -412,6 +414,10 @@ function prependCopyright(outputCopyright = !useDebugMode) {
     return insert.prepend(outputCopyright ? (copyrightContent || (copyrightContent = fs.readFileSync(copyright).toString())) : "");
 }
 
+function getCompilerPath(useBuiltCompiler) {
+    return useBuiltCompiler ? "./built/local/typescript.js" : "./lib/typescript.js";
+}
+
 gulp.task(builtLocalCompiler, /*help*/ false, [servicesFile], () => {
     const localCompilerProject = tsc.createProject("src/compiler/tsconfig.json", getCompilerSettings({}, /*useBuiltCompiler*/ true));
     return localCompilerProject.src()
@@ -424,7 +430,7 @@ gulp.task(builtLocalCompiler, /*help*/ false, [servicesFile], () => {
 });
 
 gulp.task(servicesFile, /*help*/ false, ["lib", "generate-diagnostics"], () => {
-    const servicesProject = tsc.createProject("src/services/tsconfig.json", getCompilerSettings({ removeComments: false }, /*useBuiltCompiler*/ false));
+    const servicesProject = tsc_oop.createProject("src/services/tsconfig.json", getCompilerSettings({ removeComments: false }), { typescript: getCompilerPath(/*useBuiltCompiler*/ false) });
     const {js, dts} = servicesProject.src()
         .pipe(newer(servicesFile))
         .pipe(sourcemaps.init())
@@ -499,7 +505,7 @@ const tsserverLibraryFile = path.join(builtLocalDirectory, "tsserverlibrary.js")
 const tsserverLibraryDefinitionFile = path.join(builtLocalDirectory, "tsserverlibrary.d.ts");
 
 gulp.task(tsserverLibraryFile, /*help*/ false, [servicesFile, typesMapJson], (done) => {
-    const serverLibraryProject = tsc.createProject("src/server/tsconfig.library.json", getCompilerSettings({ removeComments: false }, /*useBuiltCompiler*/ true));
+    const serverLibraryProject = tsc_oop.createProject("src/server/tsconfig.library.json", getCompilerSettings({ removeComments: false }), { typescript: getCompilerPath(/*useBuiltCompiler*/ true) });
     /** @type {{ js: NodeJS.ReadableStream, dts: NodeJS.ReadableStream }} */
     const {js, dts} = serverLibraryProject.src()
         .pipe(sourcemaps.init())
@@ -583,14 +589,20 @@ gulp.task("VerifyLKG", /*help*/ false, [], () => {
 gulp.task("LKGInternal", /*help*/ false, ["lib", "local"]);
 
 gulp.task("LKG", "Makes a new LKG out of the built js files", ["clean", "dontUseDebugMode"], () => {
-    return runSequence("LKGInternal", "VerifyLKG");
+    const sizeBefore = getDirSize(lkgDirectory);
+    const seq = runSequence("LKGInternal", "VerifyLKG");
+    const sizeAfter = getDirSize(lkgDirectory);
+    if (sizeAfter > (sizeBefore * 1.10)) {
+        throw new Error("The lib folder increased by 10% or more. This likely indicates a bug.");
+    }
+    return seq;
 });
 
 
 // Task to build the tests infrastructure using the built compiler
 const run = path.join(builtLocalDirectory, "run.js");
 gulp.task(run, /*help*/ false, [servicesFile, tsserverLibraryFile], () => {
-    const testProject = tsc.createProject("src/harness/tsconfig.json", getCompilerSettings({}, /*useBuiltCompiler*/ true));
+    const testProject = tsc_oop.createProject("src/harness/tsconfig.json", getCompilerSettings({}), { typescript: getCompilerPath(/*useBuiltCompiler*/ true) });
     return testProject.src()
         .pipe(newer(run))
         .pipe(sourcemaps.init())