1/* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16#include "ecmascript/compiler/builtins/builtins_proxy_stub_builder.h" 17 18#include "ecmascript/compiler/new_object_stub_builder.h" 19#include "ecmascript/compiler/stub_builder-inl.h" 20#include "ecmascript/js_arguments.h" 21 22namespace panda::ecmascript::kungfu { 23void BuiltinsProxyStubBuilder::GenProxyConstructor(GateRef nativeCode, GateRef func, GateRef newTarget) 24{ 25 auto env = GetEnvironment(); 26 DEFVARIABLE(res, VariableType::JS_ANY(), Undefined()); 27 Label thisCollectionObj(env); 28 Label slowPath(env); 29 Label slowPath1(env); 30 Label exit(env); 31 32 Label handleIsEcma(env); 33 Label targetIsEcma(env); 34 Label newTargetNotUndefined(env); 35 BRANCH(TaggedIsUndefined(newTarget), &slowPath, &newTargetNotUndefined); 36 Bind(&newTargetNotUndefined); 37 38 GateRef target = GetArgFromArgv(IntPtr(0), numArgs_, true); 39 GateRef handler = GetArgFromArgv(IntPtr(1), numArgs_, true); 40 41 BRANCH(IsEcmaObject(target), &targetIsEcma, &slowPath); 42 Bind(&targetIsEcma); 43 BRANCH(IsEcmaObject(handler), &handleIsEcma, &slowPath); 44 Bind(&handleIsEcma); 45 { 46 NewObjectStubBuilder newBuilder(this); 47 newBuilder.SetParameters(glue_, IntPtr(0)); 48 res = newBuilder.NewJSProxy(glue_, target, handler); 49 Jump(&exit); 50 } 51 Bind(&slowPath); 52 { 53 GateRef argv = GetArgv(); 54 res = CallBuiltinRuntime(glue_, { glue_, nativeCode, func, thisValue_, numArgs_, argv }, true); 55 Jump(&exit); 56 } 57 Bind(&exit); 58 Return(*res); 59} 60} // namespace panda::ecmascript::kungfu 61