Add a pretty printer to improve the error message non-function calls

src/messages.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // The infrastructure used for (localized) message reporting in V8.
 //
 // Note: there's a big unresolved issue about ownership of the data
 // structures used by this framework.
 
 #ifndef V8_MESSAGES_H_
@@ skipping 25 matching lines @@
 
 
 namespace v8 {
 namespace internal {
 
 struct Language;
 class SourceInfo;
 
 class MessageLocation {
  public:
-  MessageLocation(Handle<Script> script,
-                  int start_pos,
-                  int end_pos)
+  MessageLocation(Handle<Script> script, int start_pos, int end_pos,
+                  Handle<JSFunction> function = Handle<JSFunction>())
       : script_(script),
         start_pos_(start_pos),
-        end_pos_(end_pos) { }
+        end_pos_(end_pos),
+        function_(function) {}
   MessageLocation() : start_pos_(-1), end_pos_(-1) { }
 
   Handle<Script> script() const { return script_; }
   int start_pos() const { return start_pos_; }
   int end_pos() const { return end_pos_; }
+  Handle<JSFunction> function() const { return function_; }
 
  private:
   Handle<Script> script_;
   int start_pos_;
   int end_pos_;
+  Handle<JSFunction> function_;
 };
 
 
 // A message handler is a convenience interface for accessing the list
 // of message listeners registered in an environment
 class MessageHandler {
  public:
   // Returns a message object for the API to use.
   static Handle<JSMessageObject> MakeMessageObject(
       Isolate* isolate,
@@ skipping 11 matching lines @@
                                    const MessageLocation* loc,
                                    Handle<Object> message_obj);
   static Handle<String> GetMessage(Isolate* isolate, Handle<Object> data);
   static SmartArrayPointer<char> GetLocalizedMessage(Isolate* isolate,
                                                      Handle<Object> data);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_MESSAGES_H_