IDL: Drop value conversion (V8 -> C++) macros from generated code

Source/bindings/tests/results/modules/V8TestInterface5.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"
 #if ENABLE(CONDITION)
 #include "V8TestInterface5.h"
 
@@ skipping 72 matching lines @@
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::doubleAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void doubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "doubleAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(double, cppValue, toRestrictedDouble(v8Value, exceptionState), exceptionState);
+    double cppValue = toRestrictedDouble(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setDoubleAttribute(cppValue);
 }
 
 static void doubleAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::doubleAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
     v8SetReturnValue(info, impl->floatAttribute());
 }
 
 static void floatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::floatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void floatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "floatAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toRestrictedFloat(v8Value, exceptionState), exceptionState);
+    float cppValue = toRestrictedFloat(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setFloatAttribute(cppValue);
 }
 
 static void floatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::floatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedDoubleAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedDoubleAttribute());
 }
 
 static void unrestrictedDoubleAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::unrestrictedDoubleAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedDoubleAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedDoubleAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(double, cppValue, toDouble(v8Value, exceptionState), exceptionState);
+    double cppValue = toDouble(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setUnrestrictedDoubleAttribute(cppValue);
 }
 
 static void unrestrictedDoubleAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::unrestrictedDoubleAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedFloatAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
     v8SetReturnValue(info, impl->unrestrictedFloatAttribute());
 }
 
 static void unrestrictedFloatAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::unrestrictedFloatAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void unrestrictedFloatAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "unrestrictedFloatAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(float, cppValue, toFloat(v8Value, exceptionState), exceptionState);
+    float cppValue = toFloat(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setUnrestrictedFloatAttribute(cppValue);
 }
 
 static void unrestrictedFloatAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::unrestrictedFloatAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void staticStringAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8SetReturnValueString(info, TestInterface5Implementation::staticStringAttribute(), info.GetIsolate());
 }
 
 static void staticStringAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::staticStringAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void staticStringAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
-    TOSTRING_VOID(V8StringResource<>, cppValue, v8Value);
+    V8StringResource<> cppValue = v8Value;
+    if (!cppValue.prepare())
+        return;
     TestInterface5Implementation::setStaticStringAttribute(cppValue);
 }
 
 static void staticStringAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::staticStringAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void alwaysExposedAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
     v8SetReturnValueInt(info, impl->alwaysExposedAttribute());
 }
 
 static void alwaysExposedAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::alwaysExposedAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void alwaysExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "alwaysExposedAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
+    int cppValue = toInt32(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setAlwaysExposedAttribute(cppValue);
 }
 
 static void alwaysExposedAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::alwaysExposedAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void workerExposedAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
     v8SetReturnValueInt(info, impl->workerExposedAttribute());
 }
 
 static void workerExposedAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::workerExposedAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void workerExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "workerExposedAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
+    int cppValue = toInt32(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setWorkerExposedAttribute(cppValue);
 }
 
 static void workerExposedAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::workerExposedAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void windowExposedAttributeAttributeGetter(const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
     v8SetReturnValueInt(info, impl->windowExposedAttribute());
 }
 
 static void windowExposedAttributeAttributeGetterCallback(v8::Local<v8::String>, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMGetter");
     TestInterface5ImplementationV8Internal::windowExposedAttributeAttributeGetter(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void windowExposedAttributeAttributeSetter(v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     v8::Local<v8::Object> holder = info.Holder();
     ExceptionState exceptionState(ExceptionState::SetterContext, "windowExposedAttribute", "TestInterface5", holder, info.GetIsolate());
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(holder);
-    TONATIVE_VOID_EXCEPTIONSTATE(int, cppValue, toInt32(v8Value, exceptionState), exceptionState);
+    int cppValue = toInt32(v8Value, exceptionState);
+    if (exceptionState.throwIfNeeded())
+        return;
     impl->setWindowExposedAttribute(cppValue);
 }
 
 static void windowExposedAttributeAttributeSetterCallback(v8::Local<v8::String>, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<void>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMSetter");
     TestInterface5ImplementationV8Internal::windowExposedAttributeAttributeSetter(v8Value, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
@@ skipping 48 matching lines @@
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDoubleArgFloatArg", "TestInterface5", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         setMinimumArityTypeError(exceptionState, 2, info.Length());
         exceptionState.throwIfNeeded();
         return;
     }
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
     double doubleArg;
     float floatArg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(doubleArg, toRestrictedDouble(info[0], exceptionState), exceptionState);
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(floatArg, toRestrictedFloat(info[1], exceptionState), exceptionState);
+        doubleArg = toRestrictedDouble(info[0], exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
+        floatArg = toRestrictedFloat(info[1], exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
     }
     impl->voidMethodDoubleArgFloatArg(doubleArg, floatArg);
 }
 
 static void voidMethodDoubleArgFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface5ImplementationV8Internal::voidMethodDoubleArgFloatArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidMethodUnrestrictedDoubleArgUnrestrictedFloatArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnrestrictedDoubleArgUnrestrictedFloatArg", "TestInterface5", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
         setMinimumArityTypeError(exceptionState, 2, info.Length());
         exceptionState.throwIfNeeded();
         return;
     }
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
     double unrestrictedDoubleArg;
     float unrestrictedFloatArg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(unrestrictedDoubleArg, toDouble(info[0], exceptionState), exceptionState);
-        TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(unrestrictedFloatArg, toFloat(info[1], exceptionState), exceptionState);
+        unrestrictedDoubleArg = toDouble(info[0], exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
+        unrestrictedFloatArg = toFloat(info[1], exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
     }
     impl->voidMethodUnrestrictedDoubleArgUnrestrictedFloatArg(unrestrictedDoubleArg, unrestrictedFloatArg);
 }
 
 static void voidMethodUnrestrictedDoubleArgUnrestrictedFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface5ImplementationV8Internal::voidMethodUnrestrictedDoubleArgUnrestrictedFloatArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 116 matching lines @@
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodBooleanOrDOMStringArg", "TestInterface5", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         setMinimumArityTypeError(exceptionState, 1, info.Length());
         exceptionState.throwIfNeeded();
         return;
     }
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
     BooleanOrString arg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8BooleanOrString::toImpl(info.GetIsolate(), info[0], arg, exceptionState), exceptionState);
+        V8BooleanOrString::toImpl(info.GetIsolate(), info[0], arg, exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
     }
     impl->voidMethodBooleanOrDOMStringArg(arg);
 }
 
 static void voidMethodBooleanOrDOMStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface5ImplementationV8Internal::voidMethodBooleanOrDOMStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void voidMethodDoubleOrDOMStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDoubleOrDOMStringArg", "TestInterface5", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
         setMinimumArityTypeError(exceptionState, 1, info.Length());
         exceptionState.throwIfNeeded();
         return;
     }
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
     DoubleOrString arg;
     {
-        TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(V8DoubleOrString::toImpl(info.GetIsolate(), info[0], arg, exceptionState), exceptionState);
+        V8DoubleOrString::toImpl(info.GetIsolate(), info[0], arg, exceptionState);
+        if (exceptionState.throwIfNeeded())
+            return;
     }
     impl->voidMethodDoubleOrDOMStringArg(arg);
 }
 
 static void voidMethodDoubleOrDOMStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMMethod");
     TestInterface5ImplementationV8Internal::voidMethodDoubleOrDOMStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
@@ skipping 65 matching lines @@
         setMinimumArityTypeError(exceptionState, 1, info.Length());
         exceptionState.throwIfNeeded();
         return;
     }
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
     ScriptValue callback;
     ScriptValue thisArg;
     {
         if (!info[0]->IsFunction()) {
             exceptionState.throwTypeError("The callback provided as parameter 1 is not a function.");
-                exceptionState.throwIfNeeded();
+            exceptionState.throwIfNeeded();
             return;
         }
         callback = ScriptValue(ScriptState::current(info.GetIsolate()), info[0]);
         thisArg = ScriptValue(ScriptState::current(info.GetIsolate()), info[1]);
     }
     ScriptState* scriptState = ScriptState::current(info.GetIsolate());
     impl->forEachForBinding(scriptState, ScriptValue(scriptState, info.This()), callback, thisArg, exceptionState);
     if (exceptionState.hadException()) {
         exceptionState.throwIfNeeded();
         return;
@@ skipping 52 matching lines @@
 static void indexedPropertyGetterCallback(uint32_t index, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMIndexedProperty");
     TestInterface5ImplementationV8Internal::indexedPropertyGetter(index, info);
     TRACE_EVENT_SET_SAMPLING_STATE("v8", "V8Execution");
 }
 
 static void indexedPropertySetter(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
-    TOSTRING_VOID(V8StringResource<>, propertyValue, v8Value);
+    V8StringResource<> propertyValue = v8Value;
+    if (!propertyValue.prepare())
+        return;
     bool result = impl->anonymousIndexedSetter(index, propertyValue);
     if (!result)
         return;
     v8SetReturnValue(info, v8Value);
 }
 
 static void indexedPropertySetterCallback(uint32_t index, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMIndexedProperty");
     TestInterface5ImplementationV8Internal::indexedPropertySetter(index, v8Value, info);
@@ skipping 44 matching lines @@
 {
     if (!name->IsString())
         return;
     auto nameString = name.As<v8::String>();
     if (info.Holder()->HasRealNamedProperty(nameString))
         return;
     if (!info.Holder()->GetRealNamedPropertyInPrototypeChain(nameString).IsEmpty())
         return;
 
     TestInterface5Implementation* impl = V8TestInterface5::toImpl(info.Holder());
-    TOSTRING_VOID(V8StringResource<>, propertyName, nameString);
-    TOSTRING_VOID(V8StringResource<>, propertyValue, v8Value);
+    V8StringResource<> propertyName(nameString);
+    if (!propertyName.prepare())
+        return;
+    V8StringResource<> propertyValue = v8Value;
+    if (!propertyValue.prepare())
+        return;
     bool result = impl->anonymousNamedSetter(propertyName, propertyValue);
     if (!result)
         return;
     v8SetReturnValue(info, v8Value);
 }
 
 static void namedPropertySetterCallback(v8::Local<v8::Name> name, v8::Local<v8::Value> v8Value, const v8::PropertyCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("blink", "DOMNamedProperty");
     TestInterface5ImplementationV8Internal::namedPropertySetter(name, v8Value, info);
@@ skipping 224 matching lines @@
     scriptWrappable->toImpl<TestInterface5Implementation>()->ref();
 }
 
 void V8TestInterface5::derefObject(ScriptWrappable* scriptWrappable)
 {
     scriptWrappable->toImpl<TestInterface5Implementation>()->deref();
 }
 
 } // namespace blink
 #endif // ENABLE(CONDITION)