From 68fd9f8d4085f1782c074ffd76d361ce9c0a8355 Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Fri, 6 Feb 2015 14:20:29 -0800
Subject: [PATCH 1/2] Shim API changes to enable existing installations of VS
 to use the latest master builds

---
 src/services/services.ts |  2 +-
 src/services/shims.ts    | 15 +++++++++++++--
 2 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/services/services.ts b/src/services/services.ts
index fad7632843aaa..fcb5c696a38cf 100644
--- a/src/services/services.ts
+++ b/src/services/services.ts
@@ -10,7 +10,7 @@
 
 module ts {
 
-    export var servicesVersion = "0.5"
+    export var servicesVersion = "0.4"
 
     export interface Node {
         getSourceFile(): SourceFile;
diff --git a/src/services/shims.ts b/src/services/shims.ts
index 5b5216813fe40..107432af1f179 100644
--- a/src/services/shims.ts
+++ b/src/services/shims.ts
@@ -204,6 +204,8 @@ module ts {
     }
 
     export class LanguageServiceShimHostAdapter implements LanguageServiceHost {
+        private files: string[];
+        
         constructor(private shimHost: LanguageServiceShimHost) {
         }
 
@@ -230,10 +232,15 @@ module ts {
 
         public getScriptFileNames(): string[] {
             var encoded = this.shimHost.getScriptFileNames();
-            return JSON.parse(encoded);
+            return this.files = JSON.parse(encoded);
         }
 
         public getScriptSnapshot(fileName: string): IScriptSnapshot {
+            // Shim the API changes for 1.5 release. This should be removed once
+            // TypeScript 1.5 has shipped.
+            if (this.files && this.files.indexOf(fileName) < 0) {
+                return undefined;
+            }
             var scriptSnapshot = this.shimHost.getScriptSnapshot(fileName);
             return scriptSnapshot && new ScriptSnapshotShimAdapter(scriptSnapshot);
         }
@@ -266,7 +273,10 @@ module ts {
         }
 
         public getDefaultLibFileName(options: CompilerOptions): string {
-            return this.shimHost.getDefaultLibFileName(JSON.stringify(options));
+            // Shim the API changes for 1.5 release. This should be removed once
+            // TypeScript 1.5 has shipped.
+            return "";
+            //return this.shimHost.getDefaultLibFileName(JSON.stringify(options));
         }
     }
 
@@ -662,6 +672,7 @@ module ts {
                 "getEmitOutput('" + fileName + "')",
                 () => {
                     var output = this.languageService.getEmitOutput(fileName);
+                    (<any>output).emitOutputStatus = output.emitSkipped ? 1 : 0;
                     return output;
                 });
         }

From 0f3f2bcb566f5353da313c8c641dd2b2ce99e91e Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Fri, 6 Feb 2015 14:22:32 -0800
Subject: [PATCH 2/2] add comment

---
 src/services/shims.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/services/shims.ts b/src/services/shims.ts
index 107432af1f179..759c1078d90fa 100644
--- a/src/services/shims.ts
+++ b/src/services/shims.ts
@@ -672,6 +672,8 @@ module ts {
                 "getEmitOutput('" + fileName + "')",
                 () => {
                     var output = this.languageService.getEmitOutput(fileName);
+                    // Shim the API changes for 1.5 release. This should be removed once
+                    // TypeScript 1.5 has shipped.
                     (<any>output).emitOutputStatus = output.emitSkipped ? 1 : 0;
                     return output;
                 });