1 /*
2 * Copyright (c) 2021-2024 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/js_arguments.h"
17
18 #include "ecmascript/js_tagged_value-inl.h"
19 #include "ecmascript/object_factory.h"
20
21 namespace panda::ecmascript {
GetOwnProperty(JSThread * thread,const JSHandle<JSArguments> & args,const JSHandle<JSTaggedValue> & key,PropertyDescriptor & desc)22 bool JSArguments::GetOwnProperty(JSThread *thread, const JSHandle<JSArguments> &args,
23 const JSHandle<JSTaggedValue> &key, PropertyDescriptor &desc)
24 {
25 // 1 ~ 3 Let desc be OrdinaryGetOwnProperty(args, P).
26 JSObject::OrdinaryGetOwnProperty(thread, JSHandle<JSObject>(args), key, desc);
27 if (desc.IsEmpty()) {
28 return true;
29 }
30
31 // 8.If IsDataDescriptor(desc) is true and P is "caller" and desc.[[Value]] is a strict mode Function object,
32 // throw a TypeError exception.
33 JSHandle<EcmaString> caller = thread->GetEcmaVM()->GetFactory()->NewFromASCII("caller");
34 if (desc.IsDataDescriptor() && JSTaggedValue::SameValue(key.GetTaggedValue(), caller.GetTaggedValue()) &&
35 desc.GetValue()->IsJSFunction()) {
36 THROW_TYPE_ERROR_AND_RETURN(thread, "Arguments GetOwnProperty: type error", false);
37 }
38 // 9.Return desc.
39 return true;
40 }
41
DefineOwnProperty(JSThread * thread,const JSHandle<JSArguments> & args,const JSHandle<JSTaggedValue> & key,const PropertyDescriptor & desc)42 bool JSArguments::DefineOwnProperty(JSThread *thread, const JSHandle<JSArguments> &args,
43 const JSHandle<JSTaggedValue> &key, const PropertyDescriptor &desc)
44 {
45 // 4.Let allowed be OrdinaryDefineOwnProperty(args, P, Desc).
46 bool allowed = JSObject::OrdinaryDefineOwnProperty(thread, JSHandle<JSObject>(args), key, desc);
47
48 // 5.ReturnIfAbrupt(allowed).
49 RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, allowed);
50
51 // 8.Return true.
52 return true;
53 }
54
GetProperty(JSThread * thread,const JSHandle<JSArguments> & args,const JSHandle<JSTaggedValue> & key,const JSHandle<JSTaggedValue> & receiver)55 OperationResult JSArguments::GetProperty(JSThread *thread, const JSHandle<JSArguments> &args,
56 const JSHandle<JSTaggedValue> &key, const JSHandle<JSTaggedValue> &receiver)
57 {
58 // 5.If the value of isMapped is false, then
59 // a.Return the result of calling the default ordinary object [[Get]] internal method (9.1.8)
60 // on args passing P and Receiver as the arguments.
61 return JSTaggedValue::GetProperty(thread, JSHandle<JSTaggedValue>::Cast(args), key, receiver);
62 }
63
SetProperty(JSThread * thread,const JSHandle<JSArguments> & args,const JSHandle<JSTaggedValue> & key,const JSHandle<JSTaggedValue> & value,const JSHandle<JSTaggedValue> & receiver)64 bool JSArguments::SetProperty(JSThread *thread, const JSHandle<JSArguments> &args, const JSHandle<JSTaggedValue> &key,
65 const JSHandle<JSTaggedValue> &value, const JSHandle<JSTaggedValue> &receiver)
66 {
67 // 5.Return the result of calling the default ordinary object [[Set]] internal method (9.1.9)
68 // on args passing P, V and Receiver as the arguments.
69 return JSTaggedValue::SetProperty(thread, JSHandle<JSTaggedValue>::Cast(args), key, value, receiver);
70 }
71
DeleteProperty(JSThread * thread,const JSHandle<JSArguments> & args,const JSHandle<JSTaggedValue> & key)72 bool JSArguments::DeleteProperty(JSThread *thread, const JSHandle<JSArguments> &args,
73 const JSHandle<JSTaggedValue> &key)
74 {
75 // 4.Let result be the result of calling the default [[Delete]] internal method for ordinary objects (9.1.10)
76 // on the arguments object passing P as the argument.
77 bool result = JSTaggedValue::DeleteProperty(thread, JSHandle<JSTaggedValue>(args), key);
78
79 // 5.ReturnIfAbrupt(result).
80 RETURN_VALUE_IF_ABRUPT_COMPLETION(thread, result);
81
82 // 7.Return result.
83 return result;
84 }
85 } // namespace panda::ecmascript
86