Better error message when importing file that is not found

Objective-J/Executable.js

@@ -496,7 +496,10 @@ Executable.fileExecutableSearcherForURL = function(/*CFURL*/ referenceURL)
             function completed(/*StaticResource*/ aStaticResource)
             {
                 if (!aStaticResource)
-                        throw new Error("Could not load file at " + aURL);
+                {
+                    var compilingFileUrl = ObjJCompiler && ObjJCompiler.currentCompileFile ? ObjJCompiler.currentCompileFile : null;
+                    throw new Error("Could not load file at " + aURL + (compilingFileUrl ? " when compiling " + compilingFileUrl : " Martin"));
+                }
 
                 cachedFileExecutableSearchResults[cacheUID] = aStaticResource;
 

Objective-J/ObjJCompiler.js

@@ -25,6 +25,7 @@ var ObjJCompiler = { },
 
 exports.compileToExecutable = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ flags)
 {
+    ObjJCompiler.currentCompileFile = aURL;
     return new ObjJCompiler(aString, aURL, flags, 2).executable();
 }
 
@@ -35,6 +36,7 @@ exports.compileToIMBuffer = function(/*String*/ aString, /*CFURL*/ aURL, /*unsig
 
 exports.compileFileDependencies = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ flags)
 {
+    ObjJCompiler.currentCompileFile = aURL;
     return new ObjJCompiler(aString, aURL, flags, 1).executable();
 }
 
@@ -87,6 +89,7 @@ var ObjJCompiler = function(/*String*/ aString, /*CFURL*/ aURL, /*unsigned*/ fla
 
 ObjJCompiler.prototype.compilePass2 = function()
 {
+    ObjJCompiler.currentCompileFile = this._URL;
 	this._pass = 2;
 	this._jsBuffer = new StringBuffer();
 	//print("Start Compile2: " + this._URL);