Add helper functions for throwing arity-related TypeErrors

Source/bindings/tests/results/V8TestObject.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 "V8TestObject.h"
 
 #include "HTMLNames.h"
@@ skipping 4453 matching lines @@
 static void unsignedShortMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::unsignedShortMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDateArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodDateArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodDateArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(double, dateArg, toCoreDate(info[0]));
     impl->voidMethodDateArg(dateArg);
 }
 
 static void voidMethodDateArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDateArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodStringArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodStringArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringArg, info[0]);
     impl->voidMethodStringArg(stringArg);
 }
 
 static void voidMethodStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDOMTimeStampArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodDOMTimeStampArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned long long, domTimeStampArg, toUInt64(info[0], exceptionState), exceptionState);
     impl->voidMethodDOMTimeStampArg(domTimeStampArg);
 }
 
 static void voidMethodDOMTimeStampArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDOMTimeStampArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodBooleanArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodBooleanArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodBooleanArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(bool, booleanArg, info[0]->BooleanValue());
     impl->voidMethodBooleanArg(booleanArg);
 }
 
 static void voidMethodBooleanArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodBooleanArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodByteArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodByteArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, byteArg, toInt8(info[0], exceptionState), exceptionState);
     impl->voidMethodByteArg(byteArg);
 }
 
 static void voidMethodByteArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodByteArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDoubleArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodDoubleArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodDoubleArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(double, doubleArg, static_cast<double>(info[0]->NumberValue()));
     impl->voidMethodDoubleArg(doubleArg);
 }
 
 static void voidMethodDoubleArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDoubleArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodFloatArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodFloatArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodFloatArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(float, floatArg, static_cast<float>(info[0]->NumberValue()));
     impl->voidMethodFloatArg(floatArg);
 }
 
 static void voidMethodFloatArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodFloatArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->voidMethodLongArg(longArg);
 }
 
 static void voidMethodLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodLongLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(long long, longLongArg, toInt64(info[0], exceptionState), exceptionState);
     impl->voidMethodLongLongArg(longLongArg);
 }
 
 static void voidMethodLongLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodLongLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodOctetArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodOctetArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, octetArg, toUInt8(info[0], exceptionState), exceptionState);
     impl->voidMethodOctetArg(octetArg);
 }
 
 static void voidMethodOctetArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodOctetArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodShortArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodShortArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, shortArg, toInt16(info[0], exceptionState), exceptionState);
     impl->voidMethodShortArg(shortArg);
 }
 
 static void voidMethodShortArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodShortArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodUnsignedLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnsignedLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, unsignedLongArg, toUInt32(info[0], exceptionState), exceptionState);
     impl->voidMethodUnsignedLongArg(unsignedLongArg);
 }
 
 static void voidMethodUnsignedLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodUnsignedLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodUnsignedLongLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnsignedLongLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned long long, unsignedLongLongArg, toUInt64(info[0], exceptionState), exceptionState);
     impl->voidMethodUnsignedLongLongArg(unsignedLongLongArg);
 }
 
 static void voidMethodUnsignedLongLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodUnsignedLongLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodUnsignedShortArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodUnsignedShortArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(unsigned, unsignedShortArg, toUInt16(info[0], exceptionState), exceptionState);
     impl->voidMethodUnsignedShortArg(unsignedShortArg);
 }
 
 static void voidMethodUnsignedShortArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 10 matching lines @@
 static void testInterfaceEmptyMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::testInterfaceEmptyMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodTestInterfaceEmptyArg(testInterfaceEmptyArg);
 }
 
 static void voidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodLongArgTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgTestInterfaceEmptyArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 2, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[1]));
     impl->voidMethodLongArgTestInterfaceEmptyArg(longArg, testInterfaceEmptyArg);
 }
 
 static void voidMethodLongArgTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 24 matching lines @@
 static void anyCallbackFunctionOptionalAnyArgMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::anyCallbackFunctionOptionalAnyArgMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodVoidCallbackFunctionArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodVoidCallbackFunctionArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodVoidCallbackFunctionArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptValue, voidCallbackFunctionArg, ScriptValue(info[0], info.GetIsolate()));
     impl->voidMethodVoidCallbackFunctionArg(voidCallbackFunctionArg);
 }
 
 static void voidMethodVoidCallbackFunctionArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodVoidCallbackFunctionArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodAnyCallbackFunctionOptionalAnyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodAnyCallbackFunctionOptionalAnyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodAnyCallbackFunctionOptionalAnyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptValue, anyCallbackFunctionOptionalAnyArgArg, ScriptValue(info[0], info.GetIsolate()));
     impl->voidMethodAnyCallbackFunctionOptionalAnyArg(anyCallbackFunctionOptionalAnyArgArg);
 }
 
 static void voidMethodAnyCallbackFunctionOptionalAnyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 23 matching lines @@
 static void anyMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::anyMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodCompareHowArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodCompareHowArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodCompareHowArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Range::CompareHow, compareHowArg, static_cast<Range::CompareHow>(info[0]->Int32Value()));
     impl->voidMethodCompareHowArg(compareHowArg);
 }
 
 static void voidMethodCompareHowArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodCompareHowArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodEventTargetArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodEventTargetArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodEventTargetArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(EventTarget*, eventTargetArg, V8DOMWrapper::isDOMWrapper(info[0]) ? toWrapperTypeInfo(v8::Handle<v8::Object>::Cast(info[0]))->toEventTarget(v8::Handle<v8::Object>::Cast(info[0])) : 0);
     impl->voidMethodEventTargetArg(eventTargetArg);
 }
 
 static void voidMethodEventTargetArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodEventTargetArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodMediaQueryListListenerArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodMediaQueryListListenerArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodMediaQueryListListenerArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(RefPtrWillBeRawPtr<MediaQueryListListener>, mediaQueryListListenerArg, MediaQueryListListener::create(ScriptValue(info[0], info.GetIsolate())));
     impl->voidMethodMediaQueryListListenerArg(mediaQueryListListenerArg);
 }
 
 static void voidMethodMediaQueryListListenerArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodMediaQueryListListenerArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodAnyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodAnyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodAnyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptValue, anyArg, ScriptValue(info[0], info.GetIsolate()));
     impl->voidMethodAnyArg(anyArg);
 }
 
 static void voidMethodAnyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodAnyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodAttrArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodAttrArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodAttrArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Attr*, attrArg, V8Attr::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodAttrArg(attrArg);
 }
 
 static void voidMethodAttrArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodAttrArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDocumentArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodDocumentArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodDocumentArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Document*, documentArg, V8Document::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodDocumentArg(documentArg);
 }
 
 static void voidMethodDocumentArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDocumentArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDocumentTypeArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodDocumentTypeArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodDocumentTypeArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(DocumentType*, documentTypeArg, V8DocumentType::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodDocumentTypeArg(documentTypeArg);
 }
 
 static void voidMethodDocumentTypeArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDocumentTypeArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodElementArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodElementArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodElementArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Element*, elementArg, V8Element::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodElementArg(elementArg);
 }
 
 static void voidMethodElementArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodElementArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodNodeArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodNodeArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodNodeArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Node*, nodeArg, V8Node::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodNodeArg(nodeArg);
 }
 
 static void voidMethodNodeArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 62 matching lines @@
 static void uint8ArrayMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::uint8ArrayMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodArrayBufferArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodArrayBufferArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodArrayBufferArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ArrayBuffer*, arrayBufferArg, info[0]->IsArrayBuffer() ? V8ArrayBuffer::toNative(v8::Handle<v8::ArrayBuffer>::Cast(info[0])) : 0);
     impl->voidMethodArrayBufferArg(arrayBufferArg);
 }
 
 static void voidMethodArrayBufferArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodArrayBufferArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodArrayBufferOrNullArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodArrayBufferOrNullArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodArrayBufferOrNullArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ArrayBuffer*, arrayBufferArg, info[0]->IsArrayBuffer() ? V8ArrayBuffer::toNative(v8::Handle<v8::ArrayBuffer>::Cast(info[0])) : 0);
     impl->voidMethodArrayBufferOrNullArg(arrayBufferArg);
 }
 
 static void voidMethodArrayBufferOrNullArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodArrayBufferOrNullArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodArrayBufferViewArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodArrayBufferViewArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodArrayBufferViewArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ArrayBufferView*, arrayBufferViewArg, info[0]->IsArrayBufferView() ? V8ArrayBufferView::toNative(v8::Handle<v8::ArrayBufferView>::Cast(info[0])) : 0);
     impl->voidMethodArrayBufferViewArg(arrayBufferViewArg);
 }
 
 static void voidMethodArrayBufferViewArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodArrayBufferViewArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodFloat32ArrayArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodFloat32ArrayArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodFloat32ArrayArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Float32Array*, float32ArrayArg, info[0]->IsFloat32Array() ? V8Float32Array::toNative(v8::Handle<v8::Float32Array>::Cast(info[0])) : 0);
     impl->voidMethodFloat32ArrayArg(float32ArrayArg);
 }
 
 static void voidMethodFloat32ArrayArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodFloat32ArrayArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodInt32ArrayArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodInt32ArrayArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodInt32ArrayArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Int32Array*, int32ArrayArg, info[0]->IsInt32Array() ? V8Int32Array::toNative(v8::Handle<v8::Int32Array>::Cast(info[0])) : 0);
     impl->voidMethodInt32ArrayArg(int32ArrayArg);
 }
 
 static void voidMethodInt32ArrayArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodInt32ArrayArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodUint8ArrayArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodUint8ArrayArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodUint8ArrayArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Uint8Array*, uint8ArrayArg, info[0]->IsUint8Array() ? V8Uint8Array::toNative(v8::Handle<v8::Uint8Array>::Cast(info[0])) : 0);
     impl->voidMethodUint8ArrayArg(uint8ArrayArg);
 }
 
 static void voidMethodUint8ArrayArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 36 matching lines @@
 static void testInterfaceEmptyArrayMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::testInterfaceEmptyArrayMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodArrayLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodArrayLongArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodArrayLongArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<int>, arrayLongArg, toNativeArray<int>(info[0], 1, info.GetIsolate()));
     impl->voidMethodArrayLongArg(arrayLongArg);
 }
 
 static void voidMethodArrayLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodArrayLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodArrayStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodArrayStringArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodArrayStringArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<String>, arrayStringArg, toNativeArray<String>(info[0], 1, info.GetIsolate()));
     impl->voidMethodArrayStringArg(arrayStringArg);
 }
 
 static void voidMethodArrayStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodArrayStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodArrayTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodArrayTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodArrayTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<RefPtr<TestInterfaceEmpty> >, arrayTestInterfaceEmptyArg, (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(info[0], 1, info.GetIsolate())));
     impl->voidMethodArrayTestInterfaceEmptyArg(arrayTestInterfaceEmptyArg);
 }
 
 static void voidMethodArrayTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 36 matching lines @@
 static void testInterfaceEmptySequenceMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::testInterfaceEmptySequenceMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodSequenceLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodSequenceLongArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodSequenceLongArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<int>, longSequenceArg, toNativeArray<int>(info[0], 1, info.GetIsolate()));
     impl->voidMethodSequenceLongArg(longSequenceArg);
 }
 
 static void voidMethodSequenceLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodSequenceLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodSequenceStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodSequenceStringArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodSequenceStringArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<String>, stringSequenceArg, toNativeArray<String>(info[0], 1, info.GetIsolate()));
     impl->voidMethodSequenceStringArg(stringSequenceArg);
 }
 
 static void voidMethodSequenceStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodSequenceStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodSequenceTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodSequenceTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodSequenceTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<RefPtr<TestInterfaceEmpty> >, testInterfaceEmptySequenceArg, (toRefPtrNativeArray<TestInterfaceEmpty, V8TestInterfaceEmpty>(info[0], 1, info.GetIsolate())));
     impl->voidMethodSequenceTestInterfaceEmptyArg(testInterfaceEmptySequenceArg);
 }
 
 static void voidMethodSequenceTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodSequenceTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestInterfaceEmptyOrNullArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceEmptyOrNullArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestInterfaceEmptyOrNullArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, nullableTestInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->voidMethodTestInterfaceEmptyOrNullArg(nullableTestInterfaceEmptyArg);
 }
 
 static void voidMethodTestInterfaceEmptyOrNullArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodTestInterfaceEmptyOrNullArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestCallbackInterfaceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestCallbackInterfaceArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestCallbackInterfaceArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     if (info.Length() <= 0 || !info[0]->IsFunction()) {
         throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestCallbackInterfaceArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
         return;
     }
     OwnPtr<TestCallbackInterface> testCallbackInterfaceArg = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), currentExecutionContext(info.GetIsolate()));
     impl->voidMethodTestCallbackInterfaceArg(testCallbackInterfaceArg.release());
 }
@@ skipping 22 matching lines @@
 static void voidMethodOptionalTestCallbackInterfaceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodOptionalTestCallbackInterfaceArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestCallbackInterfaceOrNullArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestCallbackInterfaceOrNullArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestCallbackInterfaceOrNullArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     if (info.Length() <= 0 || !(info[0]->IsFunction() || info[0]->IsNull())) {
         throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestCallbackInterfaceOrNullArg", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
         return;
     }
     OwnPtr<TestCallbackInterface> testCallbackInterfaceArg = info[0]->IsNull() ? nullptr : V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), currentExecutionContext(info.GetIsolate()));
     impl->voidMethodTestCallbackInterfaceOrNullArg(testCallbackInterfaceArg.release());
 }
@@ skipping 14 matching lines @@
 static void testEnumMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::testEnumMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestEnumArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestEnumArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestEnumArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, testEnumTypeArg, info[0]);
     String string = testEnumTypeArg;
     if (!(string == "" || string == "EnumValue1" || string == "EnumValue2" || string == "EnumValue3")) {
         throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestEnumArg", "TestObject", "parameter 1 ('" + string + "') is not a valid enum value."), info.GetIsolate());
         return;
     }
     impl->voidMethodTestEnumArg(testEnumTypeArg);
@@ skipping 67 matching lines @@
 static void xPathNSResolverMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::xPathNSResolverMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDictionaryArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodDictionaryArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodDictionaryArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Dictionary, dictionaryArg, Dictionary(info[0], info.GetIsolate()));
     if (!dictionaryArg.isUndefinedOrNull() && !dictionaryArg.isObject()) {
         throwTypeError(ExceptionMessages::failedToExecute("voidMethodDictionaryArg", "TestObject", "parameter 1 ('dictionaryArg') is not an object."), info.GetIsolate());
         return;
     }
     impl->voidMethodDictionaryArg(dictionaryArg);
 }
 
 static void voidMethodDictionaryArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDictionaryArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodEventListenerArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodEventListenerArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     RefPtr<EventListener> eventListenerArg = V8EventListenerList::getEventListener(info[1], false, ListenerFindOrCreate);
     impl->voidMethodEventListenerArg(eventListenerArg);
     if (listener && !impl->toNode())
         removeHiddenValueFromArray(info.Holder(), info[1], V8TestObject::eventListenerCacheIndex, info.GetIsolate());
 }
 
 static void voidMethodEventListenerArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodEventListenerArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodNodeFilterArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodNodeFilterArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodNodeFilterArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(RefPtr<NodeFilter>, nodeFilterArg, toNodeFilter(info[0], info.GetIsolate()));
     impl->voidMethodNodeFilterArg(nodeFilterArg.release());
 }
 
 static void voidMethodNodeFilterArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodNodeFilterArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodPromiseArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodPromiseArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodPromiseArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(ScriptPromise, promiseArg, ScriptPromise(info[0], info.GetIsolate()));
     if (!promiseArg.isUndefinedOrNull() && !promiseArg.isObject()) {
         throwTypeError(ExceptionMessages::failedToExecute("voidMethodPromiseArg", "TestObject", "parameter 1 ('promiseArg') is not an object."), info.GetIsolate());
         return;
     }
     impl->voidMethodPromiseArg(promiseArg);
 }
 
 static void voidMethodPromiseArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodPromiseArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodSerializedScriptValueArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodSerializedScriptValueArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     RefPtr<SerializedScriptValue> serializedScriptValueArg = SerializedScriptValue::create(info[0], 0, 0, exceptionState, info.GetIsolate());
     if (exceptionState.throwIfNeeded())
         return;
     impl->voidMethodSerializedScriptValueArg(serializedScriptValueArg);
 }
 
 static void voidMethodSerializedScriptValueArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodSerializedScriptValueArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodXPathNSResolverArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodXPathNSResolverArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodXPathNSResolverArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(RefPtrWillBeRawPtr<XPathNSResolver>, xPathNSResolverArg, toXPathNSResolver(info[0], info.GetIsolate()));
     impl->voidMethodXPathNSResolverArg(xPathNSResolverArg.release());
 }
 
 static void voidMethodXPathNSResolverArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodXPathNSResolverArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodDictionarySequenceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodDictionarySequenceArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodDictionarySequenceArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<Dictionary>, dictionarySequenceArg, toNativeArray<Dictionary>(info[0], 1, info.GetIsolate()));
     impl->voidMethodDictionarySequenceArg(dictionarySequenceArg);
 }
 
 static void voidMethodDictionarySequenceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDictionarySequenceArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodStringArgLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodStringArgLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 2, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringArg, info[0]);
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[1], exceptionState), exceptionState);
     impl->voidMethodStringArgLongArg(stringArg, longArg);
 }
 
 static void voidMethodStringArgLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 111 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::longMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodLongArgOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgOptionalLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         impl->voidMethodLongArgOptionalLongArg(longArg);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg, toInt32(info[1], exceptionState), exceptionState);
     impl->voidMethodLongArgOptionalLongArg(longArg, optionalLongArg);
 }
 
 static void voidMethodLongArgOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodLongArgOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodLongArgOptionalLongArgOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgOptionalLongArgOptionalLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         impl->voidMethodLongArgOptionalLongArgOptionalLongArg(longArg);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg1, toInt32(info[1], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 2)) {
         impl->voidMethodLongArgOptionalLongArgOptionalLongArg(longArg, optionalLongArg1);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, optionalLongArg2, toInt32(info[2], exceptionState), exceptionState);
     impl->voidMethodLongArgOptionalLongArgOptionalLongArg(longArg, optionalLongArg1, optionalLongArg2);
 }
 
 static void voidMethodLongArgOptionalLongArgOptionalLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodLongArgOptionalLongArgOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodLongArgOptionalTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodLongArgOptionalTestInterfaceEmptyArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         impl->voidMethodLongArgOptionalTestInterfaceEmptyArg(longArg);
         return;
     }
     V8TRYCATCH_VOID(TestInterfaceEmpty*, optionalTestInterfaceEmpty, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[1]));
     impl->voidMethodLongArgOptionalTestInterfaceEmptyArg(longArg, optionalTestInterfaceEmpty);
 }
 
 static void voidMethodLongArgOptionalTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodLongArgOptionalTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestInterfaceEmptyArgOptionalLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodTestInterfaceEmptyArgOptionalLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, optionalTestInterfaceEmpty, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     if (UNLIKELY(info.Length() <= 1)) {
         impl->voidMethodTestInterfaceEmptyArgOptionalLongArg(optionalTestInterfaceEmpty);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[1], exceptionState), exceptionState);
     impl->voidMethodTestInterfaceEmptyArgOptionalLongArg(optionalTestInterfaceEmpty, longArg);
@@ skipping 34 matching lines @@
 static void voidMethodVariadicStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodVariadicStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodStringArgVariadicStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodStringArgVariadicStringArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodStringArgVariadicStringArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, stringArg, info[0]);
     V8TRYCATCH_VOID(Vector<String>, variadicStringArgs, toNativeArguments<String>(info, 1));
     impl->voidMethodStringArgVariadicStringArg(stringArg, variadicStringArgs);
 }
 
 static void voidMethodStringArgVariadicStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
@@ skipping 19 matching lines @@
 static void voidMethodVariadicTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodVariadicTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestInterfaceEmptyArgVariadicTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceEmptyArgVariadicTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestInterfaceEmptyArgVariadicTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     Vector<RefPtr<TestInterfaceEmpty> > variadicTestInterfaceEmptyArgs;
     for (int i = 1; i < info.Length(); ++i) {
         if (!V8TestInterfaceEmpty::hasInstance(info[i], info.GetIsolate())) {
             throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceEmptyArgVariadicTestInterfaceEmptyArg", "TestObject", "parameter 2 is not of type 'TestInterfaceEmpty'."), info.GetIsolate());
             return;
         }
@@ skipping 27 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodVariadicTestInterfaceWillBeGarbageCollectedArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodA1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodA", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedMethodA(longArg);
 }
 
 static void overloadedMethodA2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodA", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 2, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg1, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_EXCEPTION_VOID(int, longArg2, toInt32(info[1], exceptionState), exceptionState);
     impl->overloadedMethodA(longArg1, longArg2);
 }
 
 static void overloadedMethodAMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodA1Method(info);
         return;
     }
     if (((info.Length() == 2))) {
         overloadedMethodA2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodA", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodAMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodAMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodB1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodB", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedMethodB(longArg);
 }
 
 static void overloadedMethodB2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodB", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg1, toInt32(info[0], exceptionState), exceptionState);
     if (UNLIKELY(info.Length() <= 1)) {
         impl->overloadedMethodB(longArg1);
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, longArg2, toInt32(info[1], exceptionState), exceptionState);
     impl->overloadedMethodB(longArg1, longArg2);
 }
 
 static void overloadedMethodBMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodB1Method(info);
         return;
     }
     if (((info.Length() == 1)) || ((info.Length() == 2))) {
         overloadedMethodB2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodB", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodBMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodBMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodC1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodC", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedMethodC(longArg);
 }
 
 static void overloadedMethodC2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodC", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_VOID(Vector<int>, longArgs, toNativeArguments<int>(info, 1));
     impl->overloadedMethodC(longArg, longArgs);
 }
 
 static void overloadedMethodCMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodC1Method(info);
         return;
     }
     if () {
         overloadedMethodC2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodC", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodCMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodCMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodD1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodD", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedMethodD(longArg);
 }
 
 static void overloadedMethodD2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodD", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodD", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->overloadedMethodD(testInterfaceEmptyArg);
 }
 
 static void overloadedMethodDMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodD1Method(info);
         return;
     }
     if (((info.Length() == 1) && (V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate())))) {
         overloadedMethodD2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodD", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodDMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodDMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodE1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodE", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedMethodE(longArg);
 }
 
 static void overloadedMethodE2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodE", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodE", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Vector<int>, longArrayArg, toNativeArray<int>(info[0], 1, info.GetIsolate()));
     impl->overloadedMethodE(longArrayArg);
 }
 
 static void overloadedMethodEMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodE1Method(info);
         return;
     }
     if (((info.Length() == 1) && (info[0]->IsArray()))) {
         overloadedMethodE2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodE", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodEMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodEMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodF1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodF", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedMethodF(longArg);
 }
 
 static void overloadedMethodF2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodF", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodF", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyNullableArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->overloadedMethodF(testInterfaceEmptyNullableArg);
 }
 
 static void overloadedMethodFMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedMethodF1Method(info);
         return;
     }
     if (((info.Length() == 1) && (info[0]->IsNull() || V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate())))) {
         overloadedMethodF2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodF", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodFMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodFMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodG1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toNative(info.Holder());
     impl->overloadedMethodG();
 }
 
 static void overloadedMethodG2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodG", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodG", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<>, strictTypeCheckingStringArg, info[0]);
     impl->overloadedMethodG(strictTypeCheckingStringArg);
 }
 
 static void overloadedMethodGMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 0))) {
@@ skipping 16 matching lines @@
 
 static void overloadedMethodH1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toNative(info.Holder());
     impl->overloadedMethodH();
 }
 
 static void overloadedMethodH2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodH", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodH", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     if (info.Length() <= 0 || !info[0]->IsFunction()) {
         throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodH", "TestObject", "The callback provided as parameter 1 is not a function."), info.GetIsolate());
         return;
     }
     OwnPtr<TestCallbackInterface> testCallbackInterfaceArg = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), currentExecutionContext(info.GetIsolate()));
     impl->overloadedMethodH(testCallbackInterfaceArg.release());
 }
@@ skipping 14 matching lines @@
 static void overloadedMethodHMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodHMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedMethodI1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodI", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodI", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(Dictionary, dictionaryArg, Dictionary(info[0], info.GetIsolate()));
     if (!dictionaryArg.isUndefinedOrNull() && !dictionaryArg.isObject()) {
         throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodI", "TestObject", "parameter 1 ('dictionaryArg') is not an object."), info.GetIsolate());
         return;
     }
     impl->overloadedMethodI(dictionaryArg);
 }
 
 static void overloadedMethodI2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("overloadedMethodI", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("overloadedMethodI", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(double, doubleArg, static_cast<double>(info[0]->NumberValue()));
     impl->overloadedMethodI(doubleArg);
 }
 
 static void overloadedMethodIMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1) && (info[0]->IsObject()))) {
         overloadedMethodI1Method(info);
         return;
     }
     if (((info.Length() == 1))) {
         overloadedMethodI2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedMethodI", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedMethodIMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedMethodIMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedPerWorldBindingsMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toNative(info.Holder());
     impl->overloadedPerWorldBindingsMethod();
 }
 
 static void overloadedPerWorldBindingsMethod1MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TestObject* impl = V8TestObject::toNative(info.Holder());
     impl->overloadedPerWorldBindingsMethod();
 }
 
 static void overloadedPerWorldBindingsMethod2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedPerWorldBindingsMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedPerWorldBindingsMethod(longArg);
 }
 
 static void overloadedPerWorldBindingsMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 0))) {
@@ skipping 11 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedPerWorldBindingsMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedPerWorldBindingsMethod2MethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedPerWorldBindingsMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     impl->overloadedPerWorldBindingsMethod(longArg);
 }
 
 static void overloadedPerWorldBindingsMethodMethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 0))) {
@@ skipping 11 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedPerWorldBindingsMethodMethodForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void overloadedStaticMethod1Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedStaticMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     TestObject::overloadedStaticMethod(longArg);
 }
 
 static void overloadedStaticMethod2Method(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedStaticMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 2)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(2, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 2, info.Length());
         return;
     }
     V8TRYCATCH_EXCEPTION_VOID(int, longArg1, toInt32(info[0], exceptionState), exceptionState);
     V8TRYCATCH_EXCEPTION_VOID(int, longArg2, toInt32(info[1], exceptionState), exceptionState);
     TestObject::overloadedStaticMethod(longArg1, longArg2);
 }
 
 static void overloadedStaticMethodMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (((info.Length() == 1))) {
         overloadedStaticMethod1Method(info);
         return;
     }
     if (((info.Length() == 2))) {
         overloadedStaticMethod2Method(info);
         return;
     }
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "overloadedStaticMethod", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     exceptionState.throwTypeError("No function was found that matched the signature provided.");
     exceptionState.throwIfNeeded();
 }
 
 static void overloadedStaticMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::overloadedStaticMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodClampUnsignedShortArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodClampUnsignedShortArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     unsigned clampUnsignedShortArg = 0;
     V8TRYCATCH_VOID(double, clampUnsignedShortArgNativeValue, info[0]->NumberValue());
     if (!std::isnan(clampUnsignedShortArgNativeValue))
         clampUnsignedShortArg = clampTo<unsigned short>(clampUnsignedShortArgNativeValue);
     impl->voidMethodClampUnsignedShortArg(clampUnsignedShortArg);
 }
 
 static void voidMethodClampUnsignedShortArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodClampUnsignedShortArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodClampUnsignedLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodClampUnsignedLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     unsigned clampUnsignedLongArg = 0;
     V8TRYCATCH_VOID(double, clampUnsignedLongArgNativeValue, info[0]->NumberValue());
     if (!std::isnan(clampUnsignedLongArgNativeValue))
         clampUnsignedLongArg = clampTo<unsigned long>(clampUnsignedLongArgNativeValue);
     impl->voidMethodClampUnsignedLongArg(clampUnsignedLongArg);
 }
 
@@ skipping 58 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodDefaultNullStringStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodEnforceRangeLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "voidMethodEnforceRangeLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, enforceRangeLongArg, toInt32(info[0], EnforceRange, exceptionState), exceptionState);
     impl->voidMethodEnforceRangeLongArg(enforceRangeLongArg);
 }
 
 static void voidMethodEnforceRangeLongArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodEnforceRangeLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTreatNullAsNullStringStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTreatNullAsNullStringStringArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTreatNullAsNullStringStringArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithNullCheck>, treatNullAsNullStringStringArg, info[0]);
     impl->voidMethodTreatNullAsNullStringStringArg(treatNullAsNullStringStringArg);
 }
 
 static void voidMethodTreatNullAsNullStringStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodTreatNullAsNullStringStringArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTreatNullAsNullStringTreatUndefinedAsNullStringStringArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTreatNullAsNullStringTreatUndefinedAsNullStringStringArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTreatNullAsNullStringTreatUndefinedAsNullStringStringArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_FOR_V8STRINGRESOURCE_VOID(V8StringResource<WithUndefinedOrNullCheck>, treatNullAsNullStringStringArg, info[0]);
     impl->voidMethodTreatNullAsNullStringTreatUndefinedAsNullStringStringArg(treatNullAsNullStringStringArg);
 }
 
 static void voidMethodTreatNullAsNullStringTreatUndefinedAsNullStringStringArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 394 matching lines @@
 static void perWorldBindingsVoidMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::perWorldBindingsVoidMethodMethodForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldBindingsVoidMethodTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("perWorldBindingsVoidMethodTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("perWorldBindingsVoidMethodTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->perWorldBindingsVoidMethodTestInterfaceEmptyArg(testInterfaceEmptyArg);
 }
 
 static void perWorldBindingsVoidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::perWorldBindingsVoidMethodTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void perWorldBindingsVoidMethodTestInterfaceEmptyArgMethodForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("perWorldBindingsVoidMethodTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("perWorldBindingsVoidMethodTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->perWorldBindingsVoidMethodTestInterfaceEmptyArg(testInterfaceEmptyArg);
 }
 
 static void perWorldBindingsVoidMethodTestInterfaceEmptyArgMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 121 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::raisesExceptionVoidMethodOptionalLongArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void raisesExceptionVoidMethodTestCallbackInterfaceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "raisesExceptionVoidMethodTestCallbackInterfaceArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     if (info.Length() <= 0 || !info[0]->IsFunction()) {
         exceptionState.throwTypeError("The callback provided as parameter 1 is not a function.");
         exceptionState.throwIfNeeded();
         return;
     }
     OwnPtr<TestCallbackInterface> testCallbackInterfaceArg = V8TestCallbackInterface::create(v8::Handle<v8::Function>::Cast(info[0]), currentExecutionContext(info.GetIsolate()));
     impl->raisesExceptionVoidMethodTestCallbackInterfaceArg(testCallbackInterfaceArg.release(), exceptionState);
@@ skipping 47 matching lines @@
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::raisesExceptionTestInterfaceEmptyVoidMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void callWithExecutionContextRaisesExceptionVoidMethodLongArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "callWithExecutionContextRaisesExceptionVoidMethodLongArg", "TestObject", info.Holder(), info.GetIsolate());
     if (UNLIKELY(info.Length() < 1)) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
+        throwArityTypeError(exceptionState, 1, info.Length());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_EXCEPTION_VOID(int, longArg, toInt32(info[0], exceptionState), exceptionState);
     ExecutionContext* scriptContext = currentExecutionContext(info.GetIsolate());
     impl->callWithExecutionContextRaisesExceptionVoidMethodLongArg(scriptContext, longArg, exceptionState);
     if (exceptionState.throwIfNeeded())
         return;
 }
 
@@ skipping 65 matching lines @@
 static void perWorldBindingsRuntimeEnabledVoidMethodMethodCallbackForMainWorld(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::perWorldBindingsRuntimeEnabledVoidMethodMethodForMainWorld(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strictTypeCheckingVoidMethodTestInterfaceEmptyArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("strictTypeCheckingVoidMethodTestInterfaceEmptyArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("strictTypeCheckingVoidMethodTestInterfaceEmptyArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     if (info.Length() > 0 && !V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate())) {
         throwTypeError(ExceptionMessages::failedToExecute("strictTypeCheckingVoidMethodTestInterfaceEmptyArg", "TestObject", "parameter 1 is not of type 'TestInterfaceEmpty'."), info.GetIsolate());
         return;
     }
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->strictTypeCheckingVoidMethodTestInterfaceEmptyArg(testInterfaceEmptyArg);
 }
 
 static void strictTypeCheckingVoidMethodTestInterfaceEmptyArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::strictTypeCheckingVoidMethodTestInterfaceEmptyArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void strictTypeCheckingVoidMethodTestInterfaceEmptyOrNullArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("strictTypeCheckingVoidMethodTestInterfaceEmptyOrNullArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("strictTypeCheckingVoidMethodTestInterfaceEmptyOrNullArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     if (info.Length() > 0 && !isUndefinedOrNull(info[0]) && !V8TestInterfaceEmpty::hasInstance(info[0], info.GetIsolate())) {
         throwTypeError(ExceptionMessages::failedToExecute("strictTypeCheckingVoidMethodTestInterfaceEmptyOrNullArg", "TestObject", "parameter 1 is not of type 'TestInterfaceEmpty'."), info.GetIsolate());
         return;
     }
     V8TRYCATCH_VOID(TestInterfaceEmpty*, testInterfaceEmptyArg, V8TestInterfaceEmpty::toNativeWithTypeCheck(info.GetIsolate(), info[0]));
     impl->strictTypeCheckingVoidMethodTestInterfaceEmptyOrNullArg(testInterfaceEmptyArg);
 }
@@ skipping 40 matching lines @@
 static void unforgeableVoidMethodMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::unforgeableVoidMethodMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestInterfaceWillBeGarbageCollectedSequenceArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceWillBeGarbageCollectedSequenceArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestInterfaceWillBeGarbageCollectedSequenceArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(WillBeHeapVector<RefPtrWillBeMember<TestInterfaceWillBeGarbageCollected> >, testInterfaceWillBeGarbageCollectedSequenceArg, (toMemberNativeArray<TestInterfaceWillBeGarbageCollected, V8TestInterfaceWillBeGarbageCollected>(info[0], 1, info.GetIsolate())));
     impl->voidMethodTestInterfaceWillBeGarbageCollectedSequenceArg(testInterfaceWillBeGarbageCollectedSequenceArg);
 }
 
 static void voidMethodTestInterfaceWillBeGarbageCollectedSequenceArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
     TestObjectV8Internal::voidMethodTestInterfaceWillBeGarbageCollectedSequenceArgMethod(info);
     TRACE_EVENT_SET_SAMPLING_STATE("V8", "V8Execution");
 }
 
 static void voidMethodTestInterfaceWillBeGarbageCollectedArrayArgMethod(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     if (UNLIKELY(info.Length() < 1)) {
-        throwTypeError(ExceptionMessages::failedToExecute("voidMethodTestInterfaceWillBeGarbageCollectedArrayArg", "TestObject", ExceptionMessages::notEnoughArguments(1, info.Length())), info.GetIsolate());
+        throwArityTypeErrorForMethod("voidMethodTestInterfaceWillBeGarbageCollectedArrayArg", "TestObject", 1, info.Length(), info.GetIsolate());
         return;
     }
     TestObject* impl = V8TestObject::toNative(info.Holder());
     V8TRYCATCH_VOID(WillBeHeapVector<RefPtrWillBeMember<TestInterfaceWillBeGarbageCollected> >, testInterfaceWillBeGarbageCollectedArrayArg, (toMemberNativeArray<TestInterfaceWillBeGarbageCollected, V8TestInterfaceWillBeGarbageCollected>(info[0], 1, info.GetIsolate())));
     impl->voidMethodTestInterfaceWillBeGarbageCollectedArrayArg(testInterfaceWillBeGarbageCollectedArrayArg);
 }
 
 static void voidMethodTestInterfaceWillBeGarbageCollectedArrayArgMethodCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     TRACE_EVENT_SET_SAMPLING_STATE("Blink", "DOMMethod");
@@ skipping 486 matching lines @@
     fromInternalPointer(object)->deref();
 }
 
 template<>
 v8::Handle<v8::Value> toV8NoInline(TestObject* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
 {
     return toV8(impl, creationContext, isolate);
 }
 
 } // namespace WebCore