thread isolate in accessors.cc

src/accessors.cc

 // Copyright 2012 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 33 matching lines @@
 template <class C>
 static C* FindInstanceOf(Isolate* isolate, Object* obj) {
   for (Object* cur = obj; !cur->IsNull(); cur = cur->GetPrototype(isolate)) {
     if (Is<C>(cur)) return C::cast(cur);
   }
   return NULL;
 }
 
 
 // Entry point that never should be called.
-MaybeObject* Accessors::IllegalSetter(JSObject*, Object*, void*) {
+MaybeObject* Accessors::IllegalSetter(Isolate* isolate,
+                                      JSObject*,
+                                      Object*,
+                                      void*) {
   UNREACHABLE();
   return NULL;
 }
 
 
-Object* Accessors::IllegalGetAccessor(Object* object, void*) {
+Object* Accessors::IllegalGetAccessor(Isolate* isolate,
+                                      Object* object,
+                                      void*) {
   UNREACHABLE();
   return object;
 }
 
 
-MaybeObject* Accessors::ReadOnlySetAccessor(JSObject*, Object* value, void*) {
+MaybeObject* Accessors::ReadOnlySetAccessor(Isolate* isolate,
+                                            JSObject*,
+                                            Object* value,
+                                            void*) {
   // According to ECMA-262, section 8.6.2.2, page 28, setting
   // read-only properties must be silently ignored.
   return value;
 }
 
 
 //
 // Accessors::ArrayLength
 //
 
 
-MaybeObject* Accessors::ArrayGetLength(Object* object, void*) {
+MaybeObject* Accessors::ArrayGetLength(Isolate* isolate,
+                                       Object* object,
+                                       void*) {
   // Traverse the prototype chain until we reach an array.
-  JSArray* holder = FindInstanceOf<JSArray>(Isolate::Current(), object);
+  JSArray* holder = FindInstanceOf<JSArray>(isolate, object);
   return holder == NULL ? Smi::FromInt(0) : holder->length();
 }
 
 
 // The helper function will 'flatten' Number objects.
-Object* Accessors::FlattenNumber(Object* value) {
+Object* Accessors::FlattenNumber(Isolate* isolate, Object* value) {
   if (value->IsNumber() || !value->IsJSValue()) return value;
   JSValue* wrapper = JSValue::cast(value);
-  ASSERT(Isolate::Current()->context()->native_context()->number_function()->
+  ASSERT(wrapper->GetIsolate()->context()->native_context()->number_function()->
       has_initial_map());
-  Map* number_map = Isolate::Current()->context()->native_context()->
+  Map* number_map = isolate->context()->native_context()->
       number_function()->initial_map();
   if (wrapper->map() == number_map) return wrapper->value();
   return value;
 }
 
 
-MaybeObject* Accessors::ArraySetLength(JSObject* object, Object* value, void*) {
-  Isolate* isolate = object->GetIsolate();
-
+MaybeObject* Accessors::ArraySetLength(Isolate* isolate,
+                                       JSObject* object,
+                                       Object* value,
+                                       void*) {
   // This means one of the object's prototypes is a JSArray and the
   // object does not have a 'length' property.  Calling SetProperty
   // causes an infinite loop.
   if (!object->IsJSArray()) {
     return object->SetLocalPropertyIgnoreAttributes(
         isolate->heap()->length_string(), value, NONE);
   }
 
-  value = FlattenNumber(value);
+  value = FlattenNumber(isolate, value);
 
   // Need to call methods that may trigger GC.
   HandleScope scope(isolate);
 
   // Protect raw pointers.
   Handle<JSArray> array_handle(JSArray::cast(object), isolate);
   Handle<Object> value_handle(value, isolate);
 
   bool has_exception;
   Handle<Object> uint32_v = Execution::ToUint32(value_handle, &has_exception);
@@ skipping 15 matching lines @@
   ArraySetLength,
   0
 };
 
 
 //
 // Accessors::StringLength
 //
 
 
-MaybeObject* Accessors::StringGetLength(Object* object, void*) {
+MaybeObject* Accessors::StringGetLength(Isolate* isolate,
+                                        Object* object,
+                                        void*) {
   Object* value = object;
   if (object->IsJSValue()) value = JSValue::cast(object)->value();
   if (value->IsString()) return Smi::FromInt(String::cast(value)->length());
   // If object is not a string we return 0 to be compatible with WebKit.
   // Note: Firefox returns the length of ToString(object).
   return Smi::FromInt(0);
 }
 
 
 const AccessorDescriptor Accessors::StringLength = {
   StringGetLength,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptSource
 //
 
 
-MaybeObject* Accessors::ScriptGetSource(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetSource(Isolate* isolate,
+                                        Object* object,
+                                        void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->source();
 }
 
 
 const AccessorDescriptor Accessors::ScriptSource = {
   ScriptGetSource,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptName
 //
 
 
-MaybeObject* Accessors::ScriptGetName(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetName(Isolate* isolate,
+                                      Object* object,
+                                      void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->name();
 }
 
 
 const AccessorDescriptor Accessors::ScriptName = {
   ScriptGetName,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptId
 //
 
 
-MaybeObject* Accessors::ScriptGetId(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetId(Isolate* isolate, Object* object, void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->id();
 }
 
 
 const AccessorDescriptor Accessors::ScriptId = {
   ScriptGetId,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptLineOffset
 //
 
 
-MaybeObject* Accessors::ScriptGetLineOffset(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetLineOffset(Isolate* isolate,
+                                            Object* object,
+                                            void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->line_offset();
 }
 
 
 const AccessorDescriptor Accessors::ScriptLineOffset = {
   ScriptGetLineOffset,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptColumnOffset
 //
 
 
-MaybeObject* Accessors::ScriptGetColumnOffset(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetColumnOffset(Isolate* isolate,
+                                              Object* object,
+                                              void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->column_offset();
 }
 
 
 const AccessorDescriptor Accessors::ScriptColumnOffset = {
   ScriptGetColumnOffset,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptData
 //
 
 
-MaybeObject* Accessors::ScriptGetData(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetData(Isolate* isolate,
+                                      Object* object,
+                                      void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->data();
 }
 
 
 const AccessorDescriptor Accessors::ScriptData = {
   ScriptGetData,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptType
 //
 
 
-MaybeObject* Accessors::ScriptGetType(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetType(Isolate* isolate,
+                                      Object* object,
+                                      void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->type();
 }
 
 
 const AccessorDescriptor Accessors::ScriptType = {
   ScriptGetType,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptCompilationType
 //
 
 
-MaybeObject* Accessors::ScriptGetCompilationType(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetCompilationType(Isolate* isolate,
+                                                 Object* object,
+                                                 void*) {
   Object* script = JSValue::cast(object)->value();
   return Smi::FromInt(Script::cast(script)->compilation_type());
 }
 
 
 const AccessorDescriptor Accessors::ScriptCompilationType = {
   ScriptGetCompilationType,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptGetLineEnds
 //
 
 
-MaybeObject* Accessors::ScriptGetLineEnds(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetLineEnds(Isolate* isolate,
+                                          Object* object,
+                                          void*) {
   JSValue* wrapper = JSValue::cast(object);
-  Isolate* isolate = wrapper->GetIsolate();
   HandleScope scope(isolate);
   Handle<Script> script(Script::cast(wrapper->value()), isolate);
   InitScriptLineEnds(script);
   ASSERT(script->line_ends()->IsFixedArray());
   Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends()));
   // We do not want anyone to modify this array from JS.
   ASSERT(*line_ends == isolate->heap()->empty_fixed_array() ||
          line_ends->map() == isolate->heap()->fixed_cow_array_map());
   Handle<JSArray> js_array =
       isolate->factory()->NewJSArrayWithElements(line_ends);
   return *js_array;
 }
 
 
 const AccessorDescriptor Accessors::ScriptLineEnds = {
   ScriptGetLineEnds,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptGetContextData
 //
 
 
-MaybeObject* Accessors::ScriptGetContextData(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetContextData(Isolate* isolate,
+                                             Object* object,
+                                             void*) {
   Object* script = JSValue::cast(object)->value();
   return Script::cast(script)->context_data();
 }
 
 
 const AccessorDescriptor Accessors::ScriptContextData = {
   ScriptGetContextData,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptGetEvalFromScript
 //
 
 
-MaybeObject* Accessors::ScriptGetEvalFromScript(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetEvalFromScript(Isolate* isolate,
+                                                Object* object,
+                                                void*) {
   Object* script = JSValue::cast(object)->value();
   if (!Script::cast(script)->eval_from_shared()->IsUndefined()) {
     Handle<SharedFunctionInfo> eval_from_shared(
         SharedFunctionInfo::cast(Script::cast(script)->eval_from_shared()));
 
     if (eval_from_shared->script()->IsScript()) {
       Handle<Script> eval_from_script(Script::cast(eval_from_shared->script()));
       return *GetScriptWrapper(eval_from_script);
     }
   }
   return HEAP->undefined_value();
 }
 
 
 const AccessorDescriptor Accessors::ScriptEvalFromScript = {
   ScriptGetEvalFromScript,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptGetEvalFromScriptPosition
 //
 
 
-MaybeObject* Accessors::ScriptGetEvalFromScriptPosition(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetEvalFromScriptPosition(Isolate* isolate,
+                                                        Object* object,
+                                                        void*) {
   Script* raw_script = Script::cast(JSValue::cast(object)->value());
-  HandleScope scope(raw_script->GetIsolate());
+  HandleScope scope(isolate);
   Handle<Script> script(raw_script);
 
   // If this is not a script compiled through eval there is no eval position.
   if (script->compilation_type() != Script::COMPILATION_TYPE_EVAL) {
     return script->GetHeap()->undefined_value();
   }
 
   // Get the function from where eval was called and find the source position
   // from the instruction offset.
   Handle<Code> code(SharedFunctionInfo::cast(
       script->eval_from_shared())->code());
   return Smi::FromInt(code->SourcePosition(code->instruction_start() +
                       script->eval_from_instructions_offset()->value()));
 }
 
 
 const AccessorDescriptor Accessors::ScriptEvalFromScriptPosition = {
   ScriptGetEvalFromScriptPosition,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::ScriptGetEvalFromFunctionName
 //
 
 
-MaybeObject* Accessors::ScriptGetEvalFromFunctionName(Object* object, void*) {
+MaybeObject* Accessors::ScriptGetEvalFromFunctionName(Isolate* isolate,
+                                                      Object* object,
+                                                      void*) {
   Object* script = JSValue::cast(object)->value();
   Handle<SharedFunctionInfo> shared(SharedFunctionInfo::cast(
       Script::cast(script)->eval_from_shared()));
 
 
   // Find the name of the function calling eval.
   if (!shared->name()->IsUndefined()) {
     return shared->name();
   } else {
     return shared->inferred_name();
   }
 }
 
 
 const AccessorDescriptor Accessors::ScriptEvalFromFunctionName = {
   ScriptGetEvalFromFunctionName,
   IllegalSetter,
   0
 };
 
 
 //
 // Accessors::FunctionPrototype
 //
 
 
 Handle<Object> Accessors::FunctionGetPrototype(Handle<JSFunction> function) {
   CALL_HEAP_FUNCTION(function->GetIsolate(),
-                     Accessors::FunctionGetPrototype(*function, NULL),
+                     Accessors::FunctionGetPrototype(function->GetIsolate(),
+                                                     *function,
+                                                     NULL),
                      Object);
 }
 
 
 Handle<Object> Accessors::FunctionSetPrototype(Handle<JSFunction> function,
                                                Handle<Object> prototype) {
   ASSERT(function->should_have_prototype());
   CALL_HEAP_FUNCTION(function->GetIsolate(),
-                     Accessors::FunctionSetPrototype(*function,
+                     Accessors::FunctionSetPrototype(function->GetIsolate(),
+                                                     *function,
                                                      *prototype,
                                                      NULL),
                      Object);
 }
 
 
-MaybeObject* Accessors::FunctionGetPrototype(Object* object, void*) {
-  Isolate* isolate = Isolate::Current();
+MaybeObject* Accessors::FunctionGetPrototype(Isolate* isolate,
+                                             Object* object,
+                                             void*) {
   JSFunction* function_raw = FindInstanceOf<JSFunction>(isolate, object);
   if (function_raw == NULL) return isolate->heap()->undefined_value();
   while (!function_raw->should_have_prototype()) {
     function_raw = FindInstanceOf<JSFunction>(isolate,
                                               function_raw->GetPrototype());
     // There has to be one because we hit the getter.
     ASSERT(function_raw != NULL);
   }
 
   if (!function_raw->has_prototype()) {
     HandleScope scope(isolate);
     Handle<JSFunction> function(function_raw);
     Handle<Object> proto = isolate->factory()->NewFunctionPrototype(function);
     JSFunction::SetPrototype(function, proto);
     function_raw = *function;
   }
   return function_raw->prototype();
 }
 
 
-MaybeObject* Accessors::FunctionSetPrototype(JSObject* object,
+MaybeObject* Accessors::FunctionSetPrototype(Isolate* isolate,
+                                             JSObject* object,
                                              Object* value_raw,
                                              void*) {
-  Isolate* isolate = object->GetIsolate();
   Heap* heap = isolate->heap();
   JSFunction* function_raw = FindInstanceOf<JSFunction>(isolate, object);
   if (function_raw == NULL) return heap->undefined_value();
   if (!function_raw->should_have_prototype()) {
     // Since we hit this accessor, object will have no prototype property.
     return object->SetLocalPropertyIgnoreAttributes(heap->prototype_string(),
                                                     value_raw,
                                                     NONE);
   }
 
@@ skipping 30 matching lines @@
   FunctionSetPrototype,
   0
 };
 
 
 //
 // Accessors::FunctionLength
 //
 
 
-MaybeObject* Accessors::FunctionGetLength(Object* object, void*) {
-  Isolate* isolate = Isolate::Current();
+MaybeObject* Accessors::FunctionGetLength(Isolate* isolate,
+                                          Object* object,
+                                          void*) {
   JSFunction* function = FindInstanceOf<JSFunction>(isolate, object);
   if (function == NULL) return Smi::FromInt(0);
   // Check if already compiled.
   if (function->shared()->is_compiled()) {
     return Smi::FromInt(function->shared()->length());
   }
   // If the function isn't compiled yet, the length is not computed correctly
   // yet. Compile it now and return the right length.
   HandleScope scope(isolate);
   Handle<JSFunction> handle(function);
   if (JSFunction::CompileLazy(handle, KEEP_EXCEPTION)) {
     return Smi::FromInt(handle->shared()->length());
   }
   return Failure::Exception();
 }
 
 
 const AccessorDescriptor Accessors::FunctionLength = {
   FunctionGetLength,
   ReadOnlySetAccessor,
   0
 };
 
 
 //
 // Accessors::FunctionName
 //
 
 
-MaybeObject* Accessors::FunctionGetName(Object* object, void*) {
-  Isolate* isolate = Isolate::Current();
+MaybeObject* Accessors::FunctionGetName(Isolate* isolate,
+                                        Object* object,
+                                        void*) {
   JSFunction* holder = FindInstanceOf<JSFunction>(isolate, object);
   return holder == NULL
       ? isolate->heap()->undefined_value()
       : holder->shared()->name();
 }
 
 
 const AccessorDescriptor Accessors::FunctionName = {
   FunctionGetName,
   ReadOnlySetAccessor,
   0
 };
 
 
 //
 // Accessors::FunctionArguments
 //
 
 
 Handle<Object> Accessors::FunctionGetArguments(Handle<JSFunction> function) {
   CALL_HEAP_FUNCTION(function->GetIsolate(),
-                     Accessors::FunctionGetArguments(*function, NULL),
+                     Accessors::FunctionGetArguments(function->GetIsolate(),
+                                                     *function,
+                                                     NULL),
                      Object);
 }
 
 
 static MaybeObject* ConstructArgumentsObjectForInlinedFunction(
     JavaScriptFrame* frame,
     Handle<JSFunction> inlined_function,
     int inlined_frame_index) {
   Isolate* isolate = inlined_function->GetIsolate();
   Factory* factory = isolate->factory();
@@ skipping 11 matching lines @@
     array->set(i, *value);
   }
   arguments->set_elements(*array);
   args_slots.Dispose();
 
   // Return the freshly allocated arguments object.
   return *arguments;
 }
 
 
-MaybeObject* Accessors::FunctionGetArguments(Object* object, void*) {
-  Isolate* isolate = Isolate::Current();
+MaybeObject* Accessors::FunctionGetArguments(Isolate* isolate,
+                                             Object* object,
+                                             void*) {
   HandleScope scope(isolate);
   JSFunction* holder = FindInstanceOf<JSFunction>(isolate, object);
   if (holder == NULL) return isolate->heap()->undefined_value();
   Handle<JSFunction> function(holder, isolate);
 
   if (function->shared()->native()) return isolate->heap()->null_value();
   // Find the top invocation of the function by traversing frames.
   List<JSFunction*> functions(2);
   for (JavaScriptFrameIterator it(isolate); !it.done(); it.Advance()) {
     JavaScriptFrame* frame = it.frame();
@@ skipping 101 matching lines @@
     ASSERT(functions_.length() > 0);
     frame_iterator_.Advance();
     index_ = functions_.length() - 1;
   }
   JavaScriptFrameIterator frame_iterator_;
   List<JSFunction*> functions_;
   int index_;
 };
 
 
-MaybeObject* Accessors::FunctionGetCaller(Object* object, void*) {
-  Isolate* isolate = Isolate::Current();
+MaybeObject* Accessors::FunctionGetCaller(Isolate* isolate,
+                                          Object* object,
+                                          void*) {
   HandleScope scope(isolate);
   DisallowHeapAllocation no_allocation;
   JSFunction* holder = FindInstanceOf<JSFunction>(isolate, object);
   if (holder == NULL) return isolate->heap()->undefined_value();
   if (holder->shared()->native()) return isolate->heap()->null_value();
   Handle<JSFunction> function(holder, isolate);
 
   FrameFunctionIterator it(isolate, no_allocation);
 
   // Find the function from the frames.
@@ skipping 101 matching lines @@
   info->set_data(Smi::FromInt(index));
   Handle<Object> getter = v8::FromCData(&ModuleGetExport);
   Handle<Object> setter = v8::FromCData(&ModuleSetExport);
   info->set_getter(*getter);
   if (!(attributes & ReadOnly)) info->set_setter(*setter);
   return info;
 }
 
 
 } }  // namespace v8::internal