Add getEmitOutput and update call to getCurrentDirectory

Author: Yui T

src/compiler/core.ts

@@ -383,11 +383,12 @@ module ts {
         return [path.substr(0, rootLength)].concat(normalizedParts);
     }
 
-    export function getNormalizedPathComponents(path: string, currentDirectory: string) {
+    export function getNormalizedPathComponents(path: string, getCurrentDirectory: ()=>string) {
         var path = normalizeSlashes(path);
         var rootLength = getRootLength(path);
         if (rootLength == 0) {
             // If the path is not rooted it is relative to current directory
+            var currentDirectory = getCurrentDirectory();
             path = combinePaths(normalizeSlashes(currentDirectory), path);
             rootLength = getRootLength(path);
         }
@@ -443,18 +444,18 @@ module ts {
         }
     }
 
-    function getNormalizedPathOrUrlComponents(pathOrUrl: string, currentDirectory: string) {
+    function getNormalizedPathOrUrlComponents(pathOrUrl: string, getCurrentDirectory: ()=>string) {
         if (isUrl(pathOrUrl)) {
             return getNormalizedPathComponentsOfUrl(pathOrUrl);
         }
         else {
-            return getNormalizedPathComponents(pathOrUrl, currentDirectory);
+            return getNormalizedPathComponents(pathOrUrl, getCurrentDirectory);
         }
     }
 
-    export function getRelativePathToDirectoryOrUrl(directoryPathOrUrl: string, relativeOrAbsolutePath: string, currentDirectory: string, isAbsolutePathAnUrl: boolean) {
-        var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, currentDirectory);
-        var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, currentDirectory);
+    export function getRelativePathToDirectoryOrUrl(directoryPathOrUrl: string, relativeOrAbsolutePath: string, getCurrentDirectory: () => string, isAbsolutePathAnUrl: boolean) {
+        var pathComponents = getNormalizedPathOrUrlComponents(relativeOrAbsolutePath, getCurrentDirectory);
+        var directoryComponents = getNormalizedPathOrUrlComponents(directoryPathOrUrl, getCurrentDirectory);
         if (directoryComponents.length > 1 && directoryComponents[directoryComponents.length - 1] === "") {
             // If the directory path given was of type test/cases/ then we really need components of directory to be only till its name
             // that is  ["test", "cases", ""] needs to be actually ["test", "cases"]

src/compiler/emitter.ts

@@ -523,7 +523,7 @@ module ts {
 
                     sourceMapData.sourceMapSources.push(getRelativePathToDirectoryOrUrl(sourcesDirectoryPath,
                         node.filename,
-                        compilerHost.getCurrentDirectory(),
+                        compilerHost.getCurrentDirectory,
                     /*isAbsolutePathAnUrl*/ true));
                     sourceMapSourceIndex = sourceMapData.sourceMapSources.length - 1;
 
@@ -640,7 +640,7 @@ module ts {
                         sourceMapData.jsSourceMappingURL = getRelativePathToDirectoryOrUrl(
                             getDirectoryPath(normalizePath(jsFilePath)), // get the relative sourceMapDir path based on jsFilePath
                             combinePaths(sourceMapDir, sourceMapData.jsSourceMappingURL), // this is where user expects to see sourceMap
-                            compilerHost.getCurrentDirectory(),
+                            compilerHost.getCurrentDirectory,
                         /*isAbsolutePathAnUrl*/ true);
                     }
                     else {
@@ -3089,7 +3089,7 @@ module ts {
                 declFileName = getRelativePathToDirectoryOrUrl(
                     getDirectoryPath(normalizeSlashes(jsFilePath)),
                     declFileName,
-                    compilerHost.getCurrentDirectory(),
+                    compilerHost.getCurrentDirectory,
                 /*isAbsolutePathAnUrl*/ false);
 
                 referencePathsOutput += "/// <reference path=\"" + declFileName + "\" />" + newLine;