mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2025-04-17 22:40:01 +00:00
137 lines
5.5 KiB
C++
137 lines
5.5 KiB
C++
/*
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* Copyright (C) 2013, 2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "JSPromiseConstructor.h"
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#include "BuiltinNames.h"
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#include "Error.h"
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#include "Exception.h"
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#include "GetterSetter.h"
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#include "IteratorOperations.h"
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#include "JSCBuiltins.h"
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#include "JSCInlines.h"
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#include "JSFunction.h"
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#include "JSPromise.h"
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#include "JSPromisePrototype.h"
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#include "Lookup.h"
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#include "NumberObject.h"
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namespace JSC {
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STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSPromiseConstructor);
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}
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#include "JSPromiseConstructor.lut.h"
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namespace JSC {
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const ClassInfo JSPromiseConstructor::s_info = { "Function", &Base::s_info, &promiseConstructorTable, CREATE_METHOD_TABLE(JSPromiseConstructor) };
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/* Source for JSPromiseConstructor.lut.h
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@begin promiseConstructorTable
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resolve JSBuiltin DontEnum|Function 1
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reject JSBuiltin DontEnum|Function 1
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race JSBuiltin DontEnum|Function 1
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all JSBuiltin DontEnum|Function 1
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@end
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*/
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JSPromiseConstructor* JSPromiseConstructor::create(VM& vm, Structure* structure, JSPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
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{
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JSPromiseConstructor* constructor = new (NotNull, allocateCell<JSPromiseConstructor>(vm.heap)) JSPromiseConstructor(vm, structure);
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constructor->finishCreation(vm, promisePrototype, speciesSymbol);
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constructor->addOwnInternalSlots(vm, structure->globalObject());
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return constructor;
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}
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Structure* JSPromiseConstructor::createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
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{
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return Structure::create(vm, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), info());
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}
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JSPromiseConstructor::JSPromiseConstructor(VM& vm, Structure* structure)
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: Base(vm, structure)
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{
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}
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void JSPromiseConstructor::finishCreation(VM& vm, JSPromisePrototype* promisePrototype, GetterSetter* speciesSymbol)
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{
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Base::finishCreation(vm, ASCIILiteral("Promise"));
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putDirectWithoutTransition(vm, vm.propertyNames->prototype, promisePrototype, DontEnum | DontDelete | ReadOnly);
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putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(1), DontEnum | ReadOnly);
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putDirectNonIndexAccessor(vm, vm.propertyNames->speciesSymbol, speciesSymbol, Accessor | ReadOnly | DontEnum);
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}
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void JSPromiseConstructor::addOwnInternalSlots(VM& vm, JSGlobalObject* globalObject)
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{
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JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().resolvePrivateName(), promiseConstructorResolveCodeGenerator, DontEnum | DontDelete | ReadOnly);
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JSC_BUILTIN_FUNCTION_WITHOUT_TRANSITION(vm.propertyNames->builtinNames().rejectPrivateName(), promiseConstructorRejectCodeGenerator, DontEnum | DontDelete | ReadOnly);
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}
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static EncodedJSValue JSC_HOST_CALL constructPromise(ExecState* exec)
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{
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VM& vm = exec->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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JSGlobalObject* globalObject = exec->jsCallee()->globalObject();
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JSValue newTarget = exec->newTarget();
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if (newTarget.isUndefined())
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return throwVMTypeError(exec, scope);
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Structure* promiseStructure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), globalObject->promiseStructure());
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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JSPromise* promise = JSPromise::create(vm, promiseStructure);
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promise->initialize(exec, globalObject, exec->argument(0));
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return JSValue::encode(promise);
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}
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static EncodedJSValue JSC_HOST_CALL callPromise(ExecState* exec)
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{
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VM& vm = exec->vm();
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auto scope = DECLARE_THROW_SCOPE(vm);
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return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "Promise"));
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}
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ConstructType JSPromiseConstructor::getConstructData(JSCell*, ConstructData& constructData)
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{
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constructData.native.function = constructPromise;
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return ConstructType::Host;
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}
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CallType JSPromiseConstructor::getCallData(JSCell*, CallData& callData)
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{
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// FIXME: This is workaround. Since JSC does not expose @isConstructor to JS builtins,
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// we use typeof function === "function" now. And since typeof constructorWithoutCallability
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// returns "object", we need to define [[Call]] for now.
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// https://bugs.webkit.org/show_bug.cgi?id=144093
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callData.native.function = callPromise;
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return CallType::Host;
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}
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} // namespace JSC
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