Merge bleeding_edge from version 2.1.3 up to revision 4205...

src/top.cc

 // Copyright 2006-2008 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 70 matching lines @@
 }
 
 
 char* Top::Iterate(ObjectVisitor* v, char* thread_storage) {
   ThreadLocalTop* thread = reinterpret_cast<ThreadLocalTop*>(thread_storage);
   Iterate(v, thread);
   return thread_storage + sizeof(ThreadLocalTop);
 }
 
 
+void Top::IterateThread(ThreadVisitor* v) {
+  v->VisitThread(&thread_local_);
+}
+
+
+void Top::IterateThread(ThreadVisitor* v, char* t) {
+  ThreadLocalTop* thread = reinterpret_cast<ThreadLocalTop*>(t);
+  v->VisitThread(thread);
+}
+
+
 void Top::Iterate(ObjectVisitor* v, ThreadLocalTop* thread) {
   v->VisitPointer(&(thread->pending_exception_));
   v->VisitPointer(&(thread->pending_message_obj_));
   v->VisitPointer(
-      bit_cast<Object**, Script**>(&(thread->pending_message_script_)));
-  v->VisitPointer(bit_cast<Object**, Context**>(&(thread->context_)));
+      BitCast<Object**, Script**>(&(thread->pending_message_script_)));
+  v->VisitPointer(BitCast<Object**, Context**>(&(thread->context_)));
   v->VisitPointer(&(thread->scheduled_exception_));
 
   for (v8::TryCatch* block = thread->TryCatchHandler();
        block != NULL;
        block = TRY_CATCH_FROM_ADDRESS(block->next_)) {
-    v->VisitPointer(bit_cast<Object**, void**>(&(block->exception_)));
-    v->VisitPointer(bit_cast<Object**, void**>(&(block->message_)));
+    v->VisitPointer(BitCast<Object**, void**>(&(block->exception_)));
+    v->VisitPointer(BitCast<Object**, void**>(&(block->message_)));
   }
 
   // Iterate over pointers on native execution stack.
   for (StackFrameIterator it(thread); !it.done(); it.Advance()) {
     it.frame()->Iterate(v);
   }
 }
 
 
 void Top::Iterate(ObjectVisitor* v) {
@@ skipping 318 matching lines @@
 void Top::ReportFailedAccessCheck(JSObject* receiver, v8::AccessType type) {
   if (!thread_local_.failed_access_check_callback_) return;
 
   ASSERT(receiver->IsAccessCheckNeeded());
   ASSERT(Top::context());
   // The callers of this method are not expecting a GC.
   AssertNoAllocation no_gc;
 
   // Get the data object from access check info.
   JSFunction* constructor = JSFunction::cast(receiver->map()->constructor());
-  Object* info = constructor->shared()->function_data();
-  if (info == Heap::undefined_value()) return;
-
-  Object* data_obj = FunctionTemplateInfo::cast(info)->access_check_info();
+  if (!constructor->shared()->IsApiFunction()) return;
+  Object* data_obj =
+      constructor->shared()->get_api_func_data()->access_check_info();
   if (data_obj == Heap::undefined_value()) return;
 
   HandleScope scope;
   Handle<JSObject> receiver_handle(receiver);
   Handle<Object> data(AccessCheckInfo::cast(data_obj)->data());
   thread_local_.failed_access_check_callback_(
     v8::Utils::ToLocal(receiver_handle),
     type,
     v8::Utils::ToLocal(data));
 }
@@ skipping 39 matching lines @@
 
   // Check for compatibility between the security tokens in the
   // current lexical context and the accessed object.
   ASSERT(Top::context());
 
   MayAccessDecision decision = MayAccessPreCheck(receiver, type);
   if (decision != UNKNOWN) return decision == YES;
 
   // Get named access check callback
   JSFunction* constructor = JSFunction::cast(receiver->map()->constructor());
-  Object* info = constructor->shared()->function_data();
-  if (info == Heap::undefined_value()) return false;
+  if (!constructor->shared()->IsApiFunction()) return false;
 
-  Object* data_obj = FunctionTemplateInfo::cast(info)->access_check_info();
+  Object* data_obj =
+     constructor->shared()->get_api_func_data()->access_check_info();
   if (data_obj == Heap::undefined_value()) return false;
 
   Object* fun_obj = AccessCheckInfo::cast(data_obj)->named_callback();
   v8::NamedSecurityCallback callback =
       v8::ToCData<v8::NamedSecurityCallback>(fun_obj);
 
   if (!callback) return false;
 
   HandleScope scope;
   Handle<JSObject> receiver_handle(receiver);
@@ skipping 21 matching lines @@
   // current lexical context and the accessed object.
   ASSERT(Top::context());
   // The callers of this method are not expecting a GC.
   AssertNoAllocation no_gc;
 
   MayAccessDecision decision = MayAccessPreCheck(receiver, type);
   if (decision != UNKNOWN) return decision == YES;
 
   // Get indexed access check callback
   JSFunction* constructor = JSFunction::cast(receiver->map()->constructor());
-  Object* info = constructor->shared()->function_data();
-  if (info == Heap::undefined_value()) return false;
+  if (!constructor->shared()->IsApiFunction()) return false;
 
-  Object* data_obj = FunctionTemplateInfo::cast(info)->access_check_info();
+  Object* data_obj =
+      constructor->shared()->get_api_func_data()->access_check_info();
   if (data_obj == Heap::undefined_value()) return false;
 
   Object* fun_obj = AccessCheckInfo::cast(data_obj)->indexed_callback();
   v8::IndexedSecurityCallback callback =
       v8::ToCData<v8::IndexedSecurityCallback>(fun_obj);
 
   if (!callback) return false;
 
   HandleScope scope;
   Handle<JSObject> receiver_handle(receiver);
@@ skipping 379 matching lines @@
     }
   }
 #endif  // ENABLE_DEBUGGER_SUPPORT
   if (it.done()) return Handle<Context>::null();
   JavaScriptFrame* frame = it.frame();
   Context* context = Context::cast(frame->context());
   return Handle<Context>(context->global_context());
 }
 
 
-bool Top::CanHaveSpecialFunctions(JSObject* object) {
-  return object->IsJSArray();
-}
-
-
-Object* Top::LookupSpecialFunction(JSObject* receiver,
-                                   JSObject* prototype,
-                                   JSFunction* function) {
-  if (CanHaveSpecialFunctions(receiver)) {
-    FixedArray* table = context()->global_context()->special_function_table();
-    for (int index = 0; index < table->length(); index +=3) {
-      if ((prototype == table->get(index)) &&
-          (function == table->get(index+1))) {
-        return table->get(index+2);
-      }
-    }
-  }
-  return Heap::undefined_value();
-}
-
-
 char* Top::ArchiveThread(char* to) {
   memcpy(to, reinterpret_cast<char*>(&thread_local_), sizeof(thread_local_));
   InitializeThreadLocal();
   return to + sizeof(thread_local_);
 }
 
 
 char* Top::RestoreThread(char* from) {
   memcpy(reinterpret_cast<char*>(&thread_local_), from, sizeof(thread_local_));
   return from + sizeof(thread_local_);
 }
 
 
 ExecutionAccess::ExecutionAccess() {
   Top::break_access_->Lock();
 }
 
 
 ExecutionAccess::~ExecutionAccess() {
   Top::break_access_->Unlock();
 }
 
 
 } }  // namespace v8::internal