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https://gitee.com/openharmony/arkcompiler_ets_runtime
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96 lines
4.0 KiB
C++
96 lines
4.0 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/builtins/builtins_proxy.h"
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#include "ecmascript/ecma_vm.h"
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#include "ecmascript/global_env.h"
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#include "ecmascript/js_function.h"
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#include "ecmascript/object_factory.h"
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#include "ecmascript/tagged_array-inl.h"
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namespace panda::ecmascript::builtins {
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// 26.2.1.1 Proxy( [ value ] )
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JSTaggedValue BuiltinsProxy::ProxyConstructor(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), Proxy, Constructor);
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[[maybe_unused]] EcmaHandleScope handleScope(argv->GetThread());
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// 1.If NewTarget is undefined, throw a TypeError exception.
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JSHandle<JSTaggedValue> newTarget = GetNewTarget(argv);
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if (newTarget->IsUndefined()) {
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THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(), "ProxyConstructor: NewTarget is undefined",
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JSTaggedValue::Exception());
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}
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// 2.Return ProxyCreate(target, handler).
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JSHandle<JSProxy> proxy = JSProxy::ProxyCreate(argv->GetThread(), GetCallArg(argv, 0), GetCallArg(argv, 1));
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RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(argv->GetThread());
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return proxy.GetTaggedValue();
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}
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// 26.2.2.1 Proxy.revocable ( target, handler )
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JSTaggedValue BuiltinsProxy::Revocable([[maybe_unused]] EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), Proxy, Revocable);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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// 1.Let p be ProxyCreate(target, handler).
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JSHandle<JSProxy> proxy = JSProxy::ProxyCreate(thread, GetCallArg(argv, 0), GetCallArg(argv, 1));
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// 2.ReturnIfAbrupt(p).
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RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
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// 3 ~ 4 new revoker function and set the [[RevocableProxy]] internal slot
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JSHandle<JSProxyRevocFunction> revoker = thread->GetEcmaVM()->GetFactory()->NewJSProxyRevocFunction(proxy);
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// 5.Let result be ObjectCreate(%ObjectPrototype%).
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JSHandle<GlobalEnv> env = thread->GetEcmaVM()->GetGlobalEnv();
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JSHandle<JSTaggedValue> proto = env->GetObjectFunctionPrototype();
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JSHandle<JSObject> result = thread->GetEcmaVM()->GetFactory()->OrdinaryNewJSObjectCreate(proto);
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// 6.Perform CreateDataProperty(result, "proxy", p).
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auto globalConst = thread->GlobalConstants();
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JSHandle<JSTaggedValue> proxyKey = globalConst->GetHandledProxyString();
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JSObject::CreateDataProperty(thread, result, proxyKey, JSHandle<JSTaggedValue>(proxy));
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// 7.Perform CreateDataProperty(result, "revoke", revoker).
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JSHandle<JSTaggedValue> revokeKey = globalConst->GetHandledRevokeString();
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JSObject::CreateDataProperty(thread, result, revokeKey, JSHandle<JSTaggedValue>(revoker));
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// 8.Return result.
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return result.GetTaggedValue();
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}
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// A Proxy revocation function to invalidate a specific Proxy object
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JSTaggedValue BuiltinsProxy::InvalidateProxyFunction(EcmaRuntimeCallInfo *argv)
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{
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ASSERT(argv);
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BUILTINS_API_TRACE(argv->GetThread(), Proxy, InvalidateProxyFunction);
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JSThread *thread = argv->GetThread();
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[[maybe_unused]] EcmaHandleScope handleScope(thread);
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JSHandle<JSObject> revoke_obj(GetThis(argv));
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JSHandle<JSTaggedValue> revokeKey = thread->GlobalConstants()->GetHandledRevokeString();
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PropertyDescriptor desc(thread);
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JSObject::GetOwnProperty(thread, revoke_obj, revokeKey, desc);
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JSProxyRevocFunction::ProxyRevocFunctions(thread, JSHandle<JSProxyRevocFunction>(desc.GetValue()));
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return JSTaggedValue::Undefined();
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}
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} // namespace panda::ecmascript::builtins
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