X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/4e4e5a6f2694187498445a6ac6f1634ce8141119..93a3786624b2768d89bfa27e46598dc64e2fb70a:/API/JSCallbackFunction.cpp diff --git a/API/JSCallbackFunction.cpp b/API/JSCallbackFunction.cpp index 63c8add..c29b907 100644 --- a/API/JSCallbackFunction.cpp +++ b/API/JSCallbackFunction.cpp @@ -29,48 +29,69 @@ #include "APIShims.h" #include "APICast.h" #include "CodeBlock.h" -#include "JSFunction.h" +#include "Error.h" +#include "ExceptionHelpers.h" #include "FunctionPrototype.h" -#include -#include +#include "JSFunction.h" +#include "JSGlobalObject.h" +#include "JSLock.h" +#include "Operations.h" #include namespace JSC { -ASSERT_CLASS_FITS_IN_CELL(JSCallbackFunction); +ASSERT_HAS_TRIVIAL_DESTRUCTOR(JSCallbackFunction); -const ClassInfo JSCallbackFunction::info = { "CallbackFunction", &InternalFunction::info, 0, 0 }; +const ClassInfo JSCallbackFunction::s_info = { "CallbackFunction", &InternalFunction::s_info, 0, 0, CREATE_METHOD_TABLE(JSCallbackFunction) }; -JSCallbackFunction::JSCallbackFunction(ExecState* exec, JSObjectCallAsFunctionCallback callback, const Identifier& name) - : InternalFunction(&exec->globalData(), exec->lexicalGlobalObject()->callbackFunctionStructure(), name) +JSCallbackFunction::JSCallbackFunction(JSGlobalObject* globalObject, Structure* structure, JSObjectCallAsFunctionCallback callback) + : InternalFunction(globalObject, structure) , m_callback(callback) { } -JSValue JSCallbackFunction::call(ExecState* exec, JSObject* functionObject, JSValue thisValue, const ArgList& args) +void JSCallbackFunction::finishCreation(VM& vm, const String& name) +{ + Base::finishCreation(vm, name); + ASSERT(inherits(&s_info)); +} + +JSCallbackFunction* JSCallbackFunction::create(ExecState* exec, JSGlobalObject* globalObject, JSObjectCallAsFunctionCallback callback, const String& name) +{ + JSCallbackFunction* function = new (NotNull, allocateCell(*exec->heap())) JSCallbackFunction(globalObject, globalObject->callbackFunctionStructure(), callback); + function->finishCreation(exec->vm(), name); + return function; +} + +EncodedJSValue JSCallbackFunction::call(ExecState* exec) { JSContextRef execRef = toRef(exec); - JSObjectRef functionRef = toRef(functionObject); - JSObjectRef thisObjRef = toRef(thisValue.toThisObject(exec)); + JSObjectRef functionRef = toRef(exec->callee()); + JSObjectRef thisObjRef = toRef(exec->hostThisValue().toThisObject(exec)); - int argumentCount = static_cast(args.size()); - Vector arguments(argumentCount); - for (int i = 0; i < argumentCount; i++) - arguments[i] = toRef(exec, args.at(i)); + size_t argumentCount = exec->argumentCount(); + Vector arguments; + arguments.reserveInitialCapacity(argumentCount); + for (size_t i = 0; i < argumentCount; ++i) + arguments.uncheckedAppend(toRef(exec, exec->argument(i))); JSValueRef exception = 0; JSValueRef result; { APICallbackShim callbackShim(exec); - result = static_cast(functionObject)->m_callback(execRef, functionRef, thisObjRef, argumentCount, arguments.data(), &exception); + result = jsCast(toJS(functionRef))->m_callback(execRef, functionRef, thisObjRef, argumentCount, arguments.data(), &exception); } if (exception) - exec->setException(toJS(exec, exception)); + throwError(exec, toJS(exec, exception)); + + // result must be a valid JSValue. + if (!result) + return JSValue::encode(jsUndefined()); - return toJS(exec, result); + return JSValue::encode(toJS(exec, result)); } -CallType JSCallbackFunction::getCallData(CallData& callData) +CallType JSCallbackFunction::getCallData(JSCell*, CallData& callData) { callData.native.function = call; return CallTypeHost;