From e5b6bfbc4636e347eadf66658b78e78736ce29e4 Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Tue, 7 Oct 2014 20:51:23 -0700
Subject: [PATCH] add declaration target to generate declarations for compiler
 and services

---
 Jakefile              | 22 ++++++++++++++++------
 src/services/shims.ts |  2 +-
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/Jakefile b/Jakefile
index 74f950be9e0..da91239d7a5 100644
--- a/Jakefile
+++ b/Jakefile
@@ -128,6 +128,7 @@ function concatenateFiles(destinationFile, sourceFiles) {
 }
 
 var useDebugMode = false;
+var generateDeclarations = false;
 var host = (process.env.host || process.env.TYPESCRIPT_HOST || "node");
 var compilerFilename = "tsc.js";
 /* Compiles a file from a list of sources
@@ -142,6 +143,9 @@ function compileFile(outFile, sources, prereqs, prefixes, useBuiltCompiler, noOu
     file(outFile, prereqs, function() {
         var dir = useBuiltCompiler ? builtLocalDirectory : LKGDirectory;
         var options = "-removeComments --module commonjs -noImplicitAny "; //" -propagateEnumConstants "
+        if (generateDeclarations) {
+            options += "--declaration ";
+        }
         
         var cmd = host + " " + dir + compilerFilename + " " + options + " ";
         if (useDebugMode) {
@@ -250,7 +254,7 @@ task("local", ["generate-diagnostics", "lib", tscFile, servicesFile]);
 // Local target to build the compiler and services
 desc("Emit debug mode files with sourcemaps");
 task("debug", function() {
-        useDebugMode = true;
+    useDebugMode = true;
 });
 
 
@@ -264,6 +268,12 @@ task("clean", function() {
     jake.rmRf(builtDirectory);
 });
 
+// generate declarations for compiler and services
+desc("Generate declarations for compiler and services");
+task("declaration", function() {
+    generateDeclarations = true;
+});
+
 // Generate Markdown spec
 var word2mdJs = path.join(scriptsDirectory, "word2md.js");
 var word2mdTs = path.join(scriptsDirectory, "word2md.ts");
@@ -283,12 +293,12 @@ compileFile(word2mdJs,
 // The generated spec.md; built for the 'generate-spec' task
 file(specMd, [word2mdJs, specWord], function () {
     jake.cpR(headerMd, specMd, {silent: true});
-	var specWordFullPath = path.resolve(specWord);
+    var specWordFullPath = path.resolve(specWord);
     var cmd = "cscript //nologo " + word2mdJs + ' "' + specWordFullPath + '" >>' + specMd;
-	console.log(cmd);
-	child_process.exec(cmd, function () {
-		complete();
-	});
+    console.log(cmd);
+    child_process.exec(cmd, function () {
+        complete();
+    });
 }, {async: true})
 
 
diff --git a/src/services/shims.ts b/src/services/shims.ts
index c7d293794ca..bab9b98a983 100644
--- a/src/services/shims.ts
+++ b/src/services/shims.ts
@@ -174,7 +174,7 @@ module ts {
     }
 
     /// TODO: delete this, it is only needed until the VS interface is updated
-    enum LanguageVersion {
+    export enum LanguageVersion {
         EcmaScript3 = 0,
         EcmaScript5 = 1,
     }