IDL: Improve CG for attributes with [CachedAttribute]

Source/bindings/tests/results/core/V8TestInterfaceEventConstructor.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This file has been auto-generated by code_generator_v8.py. DO NOT MODIFY!
 
 #include "config.h"
 #include "V8TestInterfaceEventConstructor.h"
 
 #include "bindings/core/v8/Dictionary.h"
@@ skipping 96 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void initializedByEventConstructorReadonlyUint8ArrayAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceEventConstructor* impl = V8TestInterfaceEventConstructor::toImpl(holder);
     RefPtr<DOMUint8Array> cppValue(impl->initializedByEventConstructorReadonlyUint8ArrayAttribute());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
-    if (!wrapper.IsEmpty()) {
-        V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "initializedByEventConstructorReadonlyUint8ArrayAttribute"), wrapper);
-        v8SetReturnValue(info, wrapper);
+    v8::Local<v8::Value> v8Value(toV8(cppValue.get(), holder, info.GetIsolate()));
+    if (!v8Value.IsEmpty()) {
+        V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "initializedByEventConstructorReadonlyUint8ArrayAttribute"), v8Value);
+        v8SetReturnValue(info, v8Value);
     }
 }
 
 static void initializedByEventConstructorReadonlyUint8ArrayAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterfaceEventConstructorV8Internal::initializedByEventConstructorReadonlyUint8ArrayAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void initializedByEventConstructorReadonlyTestInterfaceEmptyAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceEventConstructor* impl = V8TestInterfaceEventConstructor::toImpl(holder);
     RefPtr<TestInterfaceEmpty> cppValue(impl->initializedByEventConstructorReadonlyTestInterfaceEmptyAttribute());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
-    if (!wrapper.IsEmpty()) {
-        V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "initializedByEventConstructorReadonlyTestInterfaceEmptyAttribute"), wrapper);
-        v8SetReturnValue(info, wrapper);
+    v8::Local<v8::Value> v8Value(toV8(cppValue.get(), holder, info.GetIsolate()));
+    if (!v8Value.IsEmpty()) {
+        V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "initializedByEventConstructorReadonlyTestInterfaceEmptyAttribute"), v8Value);
+        v8SetReturnValue(info, v8Value);
     }
 }
 
 static void initializedByEventConstructorReadonlyTestInterfaceEmptyAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterfaceEventConstructorV8Internal::initializedByEventConstructorReadonlyTestInterfaceEmptyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
@@ skipping 11 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void initializedByEventConstructorReadonlyNullableTestInterfaceEmptyAttributeAttributeGetter(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterfaceEventConstructor* impl = V8TestInterfaceEventConstructor::toImpl(holder);
     RefPtr<TestInterfaceEmpty> cppValue(impl->initializedByEventConstructorReadonlyNullableTestInterfaceEmptyAttribute());
     if (cppValue && DOMDataStore::setReturnValue(info.GetReturnValue(), cppValue.get()))
         return;
-    v8::Local<v8::Value> wrapper = toV8(cppValue.get(), holder, info.GetIsolate());
-    if (!wrapper.IsEmpty()) {
-        V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "initializedByEventConstructorReadonlyNullableTestInterfaceEmptyAttribute"), wrapper);
-        v8SetReturnValue(info, wrapper);
+    v8::Local<v8::Value> v8Value(toV8(cppValue.get(), holder, info.GetIsolate()));
+    if (!v8Value.IsEmpty()) {
+        V8HiddenValue::setHiddenValue(info.GetIsolate(), holder, v8AtomicString(info.GetIsolate(), "initializedByEventConstructorReadonlyNullableTestInterfaceEmptyAttribute"), v8Value);
+        v8SetReturnValue(info, v8Value);
     }
 }
 
 static void initializedByEventConstructorReadonlyNullableTestInterfaceEmptyAttributeAttributeGetterCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterfaceEventConstructorV8Internal::initializedByEventConstructorReadonlyNullableTestInterfaceEmptyAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
@@ skipping 196 matching lines @@
 }
 
 void V8TestInterfaceEventConstructor::derefObject(ScriptWrappable* scriptWrappable)
 {
 #if !ENABLE(OILPAN)
     scriptWrappable->toImpl<TestInterfaceEventConstructor>()->deref();
 #endif
 }
 
 } // namespace blink