Add helper functions for throwing arity-related TypeErrors

Source/bindings/v8/V8Binding.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 64 matching lines @@
 v8::Handle<v8::Value> throwError(v8::Handle<v8::Value> exception, v8::Isolate* isolate)
 {
     return V8ThrowException::throwError(exception, isolate);
 }
 
 v8::Handle<v8::Value> throwTypeError(const String& message, v8::Isolate* isolate)
 {
     return V8ThrowException::throwTypeError(message, isolate);
 }
 
+void throwArityTypeErrorForMethod(const char* method, const char* type, unsigned expected, unsigned providedLeastNumMandatoryParams, v8::Isolate* isolate)
+{
+    throwTypeError(ExceptionMessages::failedToExecute(method, type, ExceptionMessages::notEnoughArguments(expected, providedLeastNumMandatoryParams)), isolate);
+}
+
+void throwArityTypeErrorForConstructor(const char* type, unsigned expected, unsigned providedLeastNumMandatoryParams, v8::Isolate* isolate)
+{
+    throwTypeError(ExceptionMessages::failedToConstruct(type, ExceptionMessages::notEnoughArguments(expected, providedLeastNumMandatoryParams)), isolate);
+}
+
+void throwArityTypeError(ExceptionState& exceptionState, unsigned expected, unsigned providedLeastNumMandatoryParams)
+{
+    exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(expected, providedLeastNumMandatoryParams));
+    exceptionState.throwIfNeeded();
+}
+
 class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
     virtual void* Allocate(size_t size) OVERRIDE
     {
         void* data;
         WTF::ArrayBufferContents::allocateMemory(size, WTF::ArrayBufferContents::ZeroInitialize, data);
         return data;
     }
 
     virtual void* AllocateUninitialized(size_t size) OVERRIDE
     {
@@ skipping 562 matching lines @@
 V8ExecutionScope::V8ExecutionScope(v8::Isolate* isolate)
     : m_handleScope(isolate)
     , m_context(v8::Context::New(isolate))
     , m_contextScope(m_context)
     , m_world(DOMWrapperWorld::create())
     , m_perContextData(V8PerContextData::create(m_context, m_world))
 {
 }
 
 } // namespace WebCore