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
22 namespace panda::ecmascript::kungfu {
GenProxyConstructor(GateRef nativeCode,GateRef func,GateRef newTarget)23 void 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