X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b37bf2e156556c589aea3e1f58a377f2b1189665..6fe7ccc865dc7d7541b93c5bcaf6368d2c98a174:/API/JSCallbackFunction.cpp?ds=inline diff --git a/API/JSCallbackFunction.cpp b/API/JSCallbackFunction.cpp index fb3937d..d287ab7 100644 --- a/API/JSCallbackFunction.cpp +++ b/API/JSCallbackFunction.cpp @@ -1,6 +1,5 @@ -// -*- mode: c++; c-basic-offset: 4 -*- /* - * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. + * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -25,44 +24,68 @@ */ #include "config.h" -#include #include "JSCallbackFunction.h" +#include "APIShims.h" #include "APICast.h" -#include "function.h" -#include "function_object.h" -#include +#include "CodeBlock.h" +#include "ExceptionHelpers.h" +#include "JSFunction.h" +#include "FunctionPrototype.h" +#include +#include #include -namespace KJS { +namespace JSC { -const ClassInfo JSCallbackFunction::info = { "CallbackFunction", &InternalFunctionImp::info, 0}; +ASSERT_CLASS_FITS_IN_CELL(JSCallbackFunction); +ASSERT_HAS_TRIVIAL_DESTRUCTOR(JSCallbackFunction); -JSCallbackFunction::JSCallbackFunction(ExecState* exec, JSObjectCallAsFunctionCallback callback, const Identifier& name) - : InternalFunctionImp(exec->lexicalGlobalObject()->functionPrototype(), name) +const ClassInfo JSCallbackFunction::s_info = { "CallbackFunction", &InternalFunction::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackFunction) }; + +JSCallbackFunction::JSCallbackFunction(JSGlobalObject* globalObject, JSObjectCallAsFunctionCallback callback) + : InternalFunction(globalObject, globalObject->callbackFunctionStructure()) , m_callback(callback) { } -// InternalFunctionImp mish-mashes constructor and function behavior -- we should -// refactor the code so this override isn't necessary -bool JSCallbackFunction::implementsHasInstance() const { - return false; +void JSCallbackFunction::finishCreation(JSGlobalData& globalData, const Identifier& name) +{ + Base::finishCreation(globalData, name); + ASSERT(inherits(&s_info)); } -JSValue* JSCallbackFunction::callAsFunction(ExecState* exec, JSObject* thisObj, const List &args) +EncodedJSValue JSCallbackFunction::call(ExecState* exec) { JSContextRef execRef = toRef(exec); - JSObjectRef thisRef = toRef(this); - JSObjectRef thisObjRef = toRef(thisObj); + JSObjectRef functionRef = toRef(exec->callee()); + JSObjectRef thisObjRef = toRef(exec->hostThisValue().toThisObject(exec)); - int argumentCount = static_cast(args.size()); + int argumentCount = static_cast(exec->argumentCount()); Vector arguments(argumentCount); for (int i = 0; i < argumentCount; i++) - arguments[i] = toRef(args[i]); + arguments[i] = toRef(exec, exec->argument(i)); + + JSValueRef exception = 0; + JSValueRef result; + { + APICallbackShim callbackShim(exec); + result = jsCast(toJS(functionRef))->m_callback(execRef, functionRef, thisObjRef, argumentCount, arguments.data(), &exception); + } + if (exception) + throwError(exec, toJS(exec, exception)); + + // result must be a valid JSValue. + if (!result) + return JSValue::encode(jsUndefined()); - JSLock::DropAllLocks dropAllLocks; - return toJS(m_callback(execRef, thisRef, thisObjRef, argumentCount, arguments.data(), toRef(exec->exceptionSlot()))); + return JSValue::encode(toJS(exec, result)); +} + +CallType JSCallbackFunction::getCallData(JSCell*, CallData& callData) +{ + callData.native.function = call; + return CallTypeHost; } -} // namespace KJS +} // namespace JSC