blob: 4586c130d3a69a8a578e1d002382e65138eddcbe [file] [log] [blame]
/*
* Copyright (C) 2016 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 "Error.h"
#include "IdentifierInlines.h"
#include "JSCInlines.h"
#include "ObjectConstructor.h"
#include "ObjectPrototype.h"
#include "ProxyObject.h"
#include "ProxyRevoke.h"
#include "StructureInlines.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(ProxyConstructor);
const ClassInfo ProxyConstructor::s_info = { "Proxy", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(ProxyConstructor) };
ProxyConstructor* ProxyConstructor::create(VM& vm, Structure* structure)
{
ProxyConstructor* constructor = new (NotNull, allocateCell<ProxyConstructor>(vm.heap)) ProxyConstructor(vm, structure);
constructor->finishCreation(vm, "Proxy", structure->globalObject());
return constructor;
}
static EncodedJSValue JSC_HOST_CALL callProxy(JSGlobalObject*, CallFrame*);
static EncodedJSValue JSC_HOST_CALL constructProxyObject(JSGlobalObject*, CallFrame*);
ProxyConstructor::ProxyConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callProxy, constructProxyObject)
{
}
static EncodedJSValue JSC_HOST_CALL makeRevocableProxy(JSGlobalObject* globalObject, CallFrame* callFrame)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (callFrame->argumentCount() < 2)
return throwVMTypeError(callFrame, scope, "Proxy.revocable needs to be called with two arguments: the target and the handler"_s);
ArgList args(callFrame);
JSValue target = args.at(0);
JSValue handler = args.at(1);
ProxyObject* proxy = ProxyObject::create(callFrame, globalObject, target, handler);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
ProxyRevoke* revoke = ProxyRevoke::create(vm, globalObject->proxyRevokeStructure(), proxy);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
JSObject* result = constructEmptyObject(callFrame);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
result->putDirect(vm, makeIdentifier(vm, "proxy"), proxy, static_cast<unsigned>(PropertyAttribute::None));
result->putDirect(vm, makeIdentifier(vm, "revoke"), revoke, static_cast<unsigned>(PropertyAttribute::None));
return JSValue::encode(result);
}
static EncodedJSValue JSC_HOST_CALL proxyRevocableConstructorThrowError(JSGlobalObject* globalObject, CallFrame* callFrame)
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
return throwVMTypeError(callFrame, scope, "Proxy.revocable cannot be constructed. It can only be called"_s);
}
void ProxyConstructor::finishCreation(VM& vm, const char* name, JSGlobalObject* globalObject)
{
Base::finishCreation(vm, name, NameVisibility::Visible, NameAdditionMode::WithStructureTransition);
putDirect(vm, vm.propertyNames->length, jsNumber(2), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
putDirect(vm, makeIdentifier(vm, "revocable"), JSFunction::create(vm, globalObject, 2, "revocable"_s, makeRevocableProxy, NoIntrinsic, proxyRevocableConstructorThrowError));
}
static EncodedJSValue JSC_HOST_CALL constructProxyObject(JSGlobalObject* globalObject, CallFrame* callFrame)
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
if (callFrame->newTarget().isUndefined())
return throwVMTypeError(callFrame, scope, "new.target of Proxy construct should not be undefined"_s);
ArgList args(callFrame);
JSValue target = args.at(0);
JSValue handler = args.at(1);
RELEASE_AND_RETURN(scope, JSValue::encode(ProxyObject::create(callFrame, globalObject, target, handler)));
}
static EncodedJSValue JSC_HOST_CALL callProxy(JSGlobalObject* globalObject, CallFrame* callFrame)
{
auto scope = DECLARE_THROW_SCOPE(globalObject->vm());
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(callFrame, scope, "Proxy"));
}
} // namespace JSC