Implement loads and calls from 'super'

src/runtime.cc

 // Copyright 2012 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.
 
 #include <stdlib.h>
 #include <limits>
 
 #include "src/v8.h"
 
 #include "src/accessors.h"
@@ skipping 2054 matching lines @@
   return *clone;
 }
 
 
 RUNTIME_FUNCTION(Runtime_HomeObjectSymbol) {
   DCHECK(args.length() == 0);
   return isolate->heap()->home_object_symbol();
 }
 
 
+RUNTIME_FUNCTION(Runtime_LoadFromSuper) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 3);
+  CONVERT_ARG_HANDLE_CHECKED(JSObject, home_object, 0);
+  CONVERT_ARG_HANDLE_CHECKED(Object, receiver, 1);
+  CONVERT_ARG_HANDLE_CHECKED(Name, name, 2);
+
+  if (home_object->IsAccessCheckNeeded() &&
+      !isolate->MayNamedAccess(home_object, name, v8::ACCESS_GET)) {
+    isolate->ReportFailedAccessCheck(home_object, v8::ACCESS_GET);
+    RETURN_FAILURE_IF_SCHEDULED_EXCEPTION(isolate);
+  }
+
+  PrototypeIterator iter(isolate, home_object);
+  Handle<Object> proto = PrototypeIterator::GetCurrent(iter);
+  if (!proto->IsJSReceiver()) return isolate->heap()->undefined_value();
+
+  LookupIterator it(receiver, name, Handle<JSReceiver>::cast(proto));
+  Handle<Object> result;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, result, Object::GetProperty(&it));
+  return *result;
+}
+
+
 RUNTIME_FUNCTION(Runtime_IsExtensible) {
   SealHandleScope shs(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_CHECKED(JSObject, obj, 0);
   if (obj->IsJSGlobalProxy()) {
     PrototypeIterator iter(isolate, obj);
     if (iter.IsAtEnd()) return isolate->heap()->false_value();
     DCHECK(iter.GetCurrent()->IsJSGlobalObject());
     obj = JSObject::cast(iter.GetCurrent());
   }
@@ skipping 120 matching lines @@
       // which are actually data properties, not accessor properties.
       if (old_details.IsReadOnly() || old_details.IsDontEnum() ||
           old_details.type() == CALLBACKS) {
         return ThrowRedeclarationError(isolate, name);
       }
       // If the existing property is not configurable, keep its attributes. Do
       attr = old_attributes;
     }
   }
 
-  // Define or redefine own property.
+  // Define or redefine own pro//perty.

[Toon Verwaest, 2014/09/16 13:56:16]

remove //

   RETURN_FAILURE_ON_EXCEPTION(isolate, JSObject::SetOwnPropertyIgnoreAttributes(
                                            global, name, value, attr));
 
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_DeclareGlobals) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
@@ skipping 7285 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_ThrowReferenceError) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
   THROW_NEW_ERROR_RETURN_FAILURE(
       isolate, NewReferenceError("not_defined", HandleVector(&name, 1)));
 }
 
 
+RUNTIME_FUNCTION(Runtime_ThrowNonMethodError) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 0);
+  THROW_NEW_ERROR_RETURN_FAILURE(
+      isolate, NewReferenceError("non_method", HandleVector<Object>(NULL, 0)));
+}
+
+
+RUNTIME_FUNCTION(Runtime_ThrowUnsupportedSuperError) {
+  HandleScope scope(isolate);
+  DCHECK(args.length() == 0);
+  THROW_NEW_ERROR_RETURN_FAILURE(
+      isolate,
+      NewReferenceError("unsupported_super", HandleVector<Object>(NULL, 0)));
+}
+
+
 RUNTIME_FUNCTION(Runtime_ThrowNotDateError) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   THROW_NEW_ERROR_RETURN_FAILURE(
       isolate, NewTypeError("not_date_object", HandleVector<Object>(NULL, 0)));
 }
 
 
 RUNTIME_FUNCTION(Runtime_StackGuard) {
   SealHandleScope shs(isolate);
@@ skipping 6126 matching lines @@
   }
   return NULL;
 }
 
 
 const Runtime::Function* Runtime::FunctionForId(Runtime::FunctionId id) {
   return &(kIntrinsicFunctions[static_cast<int>(id)]);
 }
 
 } }  // namespace v8::internal