Propagate receiver from initial call site to code generator.

src/handles.cc

 // Copyright 2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 648 matching lines @@
   } else {
     int num_enum = object->NumberOfEnumProperties();
     Handle<FixedArray> storage = Factory::NewFixedArray(num_enum);
     Handle<FixedArray> sort_array = Factory::NewFixedArray(num_enum);
     object->property_dictionary()->CopyEnumKeysTo(*storage, *sort_array);
     return storage;
   }
 }
 
 
-bool CompileLazyShared(Handle<SharedFunctionInfo> shared,
-                       ClearExceptionFlag flag,
-                       int loop_nesting) {
+bool EnsureCompiled(Handle<SharedFunctionInfo> shared,
+                    ClearExceptionFlag flag) {
+  return shared->is_compiled() || CompileLazyShared(shared, flag);
+}
+
+
+static bool CompileLazyHelper(Handle<SharedFunctionInfo> shared,
+                              Handle<Object> receiver,
+                              ClearExceptionFlag flag,
+                              int loop_nesting) {
   // Compile the source information to a code object.
   ASSERT(!shared->is_compiled());
-  bool result = Compiler::CompileLazy(shared, loop_nesting);
+  bool result = Compiler::CompileLazy(shared, receiver, loop_nesting);
   ASSERT(result != Top::has_pending_exception());
   if (!result && flag == CLEAR_EXCEPTION) Top::clear_pending_exception();
   return result;
 }
 
 
-bool CompileLazy(Handle<JSFunction> function, ClearExceptionFlag flag) {
+bool CompileLazyShared(Handle<SharedFunctionInfo> shared,
+                       ClearExceptionFlag flag) {
+  return CompileLazyHelper(shared, Handle<Object>::null(), flag, 0);
+}
+
+
+bool CompileLazy(Handle<JSFunction> function,
+                 Handle<Object> receiver,
+                 ClearExceptionFlag flag) {
   // Compile the source information to a code object.
   Handle<SharedFunctionInfo> shared(function->shared());
-  bool result = CompileLazyShared(shared, flag, 0);
+  bool result = CompileLazyHelper(shared, receiver, flag, 0);
   LOG(FunctionCreateEvent(*function));
   return result;
 }
 
 
-bool CompileLazyInLoop(Handle<JSFunction> function, ClearExceptionFlag flag) {
+bool CompileLazyInLoop(Handle<JSFunction> function,
+                       Handle<Object> receiver,
+                       ClearExceptionFlag flag) {
   // Compile the source information to a code object.
   Handle<SharedFunctionInfo> shared(function->shared());
-  bool result = CompileLazyShared(shared, flag, 1);
+  bool result = CompileLazyHelper(shared, receiver, flag, 1);
   LOG(FunctionCreateEvent(*function));
   return result;
 }
 
+
 OptimizedObjectForAddingMultipleProperties::
 OptimizedObjectForAddingMultipleProperties(Handle<JSObject> object,
                                            int expected_additional_properties,
                                            bool condition) {
   object_ = object;
   if (condition && object_->HasFastProperties()) {
     // Normalize the properties of object to avoid n^2 behavior
     // when extending the object multiple properties. Indicate the number of
     // properties to be added.
     unused_property_fields_ = object->map()->unused_property_fields();
@@ skipping 98 matching lines @@
   Handle<Map> new_map = Factory::CopyMapDropTransitions(old_map);
   obj->set_map(*new_map);
   new_map->set_needs_loading(true);
   // Store the lazy loading info in the constructor field.  We'll
   // reestablish the constructor from the fixed array after loading.
   new_map->set_constructor(*arr);
   ASSERT(!obj->IsLoaded());
 }
 
 } }  // namespace v8::internal