blob: 58e12426a42b51611e832158e530168aba37df18 [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(ExecState*);
static EncodedJSValue JSC_HOST_CALL constructProxyObject(ExecState*);
ProxyConstructor::ProxyConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callProxy, constructProxyObject)
{
}
static EncodedJSValue JSC_HOST_CALL makeRevocableProxy(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
if (exec->argumentCount() < 2)
return throwVMTypeError(exec, scope, ASCIILiteral("Proxy.revocable needs to be called with two arguments: the target and the handler"));
ArgList args(exec);
JSValue target = args.at(0);
JSValue handler = args.at(1);
ProxyObject* proxy = ProxyObject::create(exec, exec->lexicalGlobalObject(), target, handler);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
ProxyRevoke* revoke = ProxyRevoke::create(vm, exec->lexicalGlobalObject()->proxyRevokeStructure(), proxy);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
JSObject* result = constructEmptyObject(exec);
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(ExecState* exec)
{
auto scope = DECLARE_THROW_SCOPE(exec->vm());
return throwVMTypeError(exec, scope, ASCIILiteral("Proxy.revocable cannot be constructed. It can only be called"));
}
void ProxyConstructor::finishCreation(VM& vm, const char* name, JSGlobalObject* globalObject)
{
Base::finishCreation(vm, name);
putDirect(vm, vm.propertyNames->length, jsNumber(2), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
putDirect(vm, makeIdentifier(vm, "revocable"), JSFunction::create(vm, globalObject, 2, ASCIILiteral("revocable"), makeRevocableProxy, NoIntrinsic, proxyRevocableConstructorThrowError));
}
static EncodedJSValue JSC_HOST_CALL constructProxyObject(ExecState* exec)
{
auto scope = DECLARE_THROW_SCOPE(exec->vm());
if (exec->newTarget().isUndefined())
return throwVMTypeError(exec, scope, ASCIILiteral("new.target of Proxy construct should not be undefined"));
ArgList args(exec);
JSValue target = args.at(0);
JSValue handler = args.at(1);
scope.release();
return JSValue::encode(ProxyObject::create(exec, exec->lexicalGlobalObject(), target, handler));
}
static EncodedJSValue JSC_HOST_CALL callProxy(ExecState* exec)
{
auto scope = DECLARE_THROW_SCOPE(exec->vm());
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "Proxy"));
}
} // namespace JSC