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/*
* Copyright (C) 2016-2021 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "ProxyConstructor.h"
#include "JSCInlines.h"
#include "ObjectConstructor.h"
#include "ProxyObject.h"
#include "ProxyRevoke.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(ProxyConstructor);
const ClassInfo ProxyConstructor::s_info = { "Proxy"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(ProxyConstructor) };
ProxyConstructor* ProxyConstructor::create(VM& vm, Structure* structure)
{
ProxyConstructor* constructor = new (NotNull, allocateCell<ProxyConstructor>(vm)) ProxyConstructor(vm, structure);
constructor->finishCreation(vm, structure->globalObject());
return constructor;
}
static JSC_DECLARE_HOST_FUNCTION(callProxy);
static JSC_DECLARE_HOST_FUNCTION(constructProxyObject);
static JSC_DECLARE_HOST_FUNCTION(makeRevocableProxy);
ProxyConstructor::ProxyConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callProxy, constructProxyObject)
{
}
JSC_DEFINE_HOST_FUNCTION(makeRevocableProxy, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (callFrame->argumentCount() < 2)
return throwVMTypeError(globalObject, scope, "Proxy.revocable needs to be called with two arguments: the target and the handler"_s);
JSValue target = callFrame->argument(0);
JSValue handler = callFrame->argument(1);
ProxyObject* proxy = ProxyObject::create(globalObject, target, handler);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
ProxyRevoke* revoke = ProxyRevoke::create(vm, globalObject->proxyRevokeStructure(), proxy);
scope.assertNoException();
JSObject* result = constructEmptyObject(globalObject);
result->putDirect(vm, makeIdentifier(vm, "proxy"_s), proxy, static_cast<unsigned>(PropertyAttribute::None));
result->putDirect(vm, makeIdentifier(vm, "revoke"_s), revoke, static_cast<unsigned>(PropertyAttribute::None));
return JSValue::encode(result);
}
void ProxyConstructor::finishCreation(VM& vm, JSGlobalObject* globalObject)
{
Base::finishCreation(vm, 2, "Proxy"_s, PropertyAdditionMode::WithoutStructureTransition);
JSC_NATIVE_FUNCTION_WITHOUT_TRANSITION("revocable"_s, makeRevocableProxy, static_cast<unsigned>(PropertyAttribute::DontEnum), 2, ImplementationVisibility::Public);
}
JSC_DEFINE_HOST_FUNCTION(constructProxyObject, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
JSValue target = callFrame->argument(0);
JSValue handler = callFrame->argument(1);
return JSValue::encode(ProxyObject::create(globalObject, target, handler));
}
JSC_DEFINE_HOST_FUNCTION(callProxy, (JSGlobalObject* globalObject, CallFrame*))
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(globalObject, scope, "Proxy"_s));
}
} // namespace JSC
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