mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/*
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* Copyright (C) 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "ProxyConstructor.h"
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#include "Error.h"
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#include "IdentifierInlines.h"
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#include "JSCInlines.h"
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#include "ObjectConstructor.h"
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#include "ObjectPrototype.h"
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#include "ProxyObject.h"
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#include "ProxyRevoke.h"
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#include "StructureInlines.h"
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namespace JSC {
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STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(ProxyConstructor);
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const ClassInfo ProxyConstructor::s_info = { "Proxy", &Base::s_info, 0, CREATE_METHOD_TABLE(ProxyConstructor) };
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ProxyConstructor* ProxyConstructor::create(VM& vm, Structure* structure)
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{
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ProxyConstructor* constructor = new (NotNull, allocateCell<ProxyConstructor>(vm.heap)) ProxyConstructor(vm, structure);
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constructor->finishCreation(vm, "Proxy", structure->globalObject());
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return constructor;
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}
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ProxyConstructor::ProxyConstructor(VM& vm, Structure* structure)
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: Base(vm, structure)
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{
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}
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static EncodedJSValue JSC_HOST_CALL makeRevocableProxy(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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if (exec->argumentCount() < 2)
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return throwVMTypeError(exec, scope, ASCIILiteral("Proxy.revocable needs to be called with two arguments: the target and the handler"));
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ArgList args(exec);
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JSValue target = args.at(0);
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JSValue handler = args.at(1);
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ProxyObject* proxy = ProxyObject::create(exec, exec->lexicalGlobalObject(), target, handler);
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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ProxyRevoke* revoke = ProxyRevoke::create(vm, exec->lexicalGlobalObject()->proxyRevokeStructure(), proxy);
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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JSObject* result = constructEmptyObject(exec);
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RETURN_IF_EXCEPTION(scope, encodedJSValue());
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result->putDirect(vm, makeIdentifier(vm, "proxy"), proxy, None);
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result->putDirect(vm, makeIdentifier(vm, "revoke"), revoke, None);
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return JSValue::encode(result);
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}
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static EncodedJSValue JSC_HOST_CALL proxyRevocableConstructorThrowError(ExecState* exec)
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{
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auto scope = DECLARE_THROW_SCOPE(exec->vm());
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return throwVMTypeError(exec, scope, ASCIILiteral("Proxy.revocable cannot be constructed. It can only be called"));
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}
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void ProxyConstructor::finishCreation(VM& vm, const char* name, JSGlobalObject* globalObject)
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{
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Base::finishCreation(vm, name);
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putDirect(vm, vm.propertyNames->length, jsNumber(2), DontEnum | ReadOnly);
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putDirect(vm, makeIdentifier(vm, "revocable"), JSFunction::create(vm, globalObject, 2, ASCIILiteral("revocable"), makeRevocableProxy, NoIntrinsic, proxyRevocableConstructorThrowError));
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}
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static EncodedJSValue JSC_HOST_CALL constructProxyObject(ExecState* exec)
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{
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auto scope = DECLARE_THROW_SCOPE(exec->vm());
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if (exec->newTarget().isUndefined())
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return throwVMTypeError(exec, scope, ASCIILiteral("new.target of Proxy construct should not be undefined"));
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ArgList args(exec);
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JSValue target = args.at(0);
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JSValue handler = args.at(1);
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scope.release();
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return JSValue::encode(ProxyObject::create(exec, exec->lexicalGlobalObject(), target, handler));
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}
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ConstructType ProxyConstructor::getConstructData(JSCell*, ConstructData& constructData)
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{
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constructData.native.function = constructProxyObject;
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return ConstructType::Host;
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}
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static EncodedJSValue JSC_HOST_CALL callProxy(ExecState* exec)
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{
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auto scope = DECLARE_THROW_SCOPE(exec->vm());
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return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "Proxy"));
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}
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CallType ProxyConstructor::getCallData(JSCell*, CallData& callData)
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{
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callData.native.function = callProxy;
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return CallType::Host;
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}
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} // namespace JSC
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