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 "castingContext.h"
17 #include "checker/types/type.h"
18
19 namespace ark::es2panda::checker {
CastingContext(TypeRelation *relation, std::initializer_list<TypeErrorMessageElement> list, ConstructorData &&data)20 CastingContext::CastingContext(TypeRelation *relation, std::initializer_list<TypeErrorMessageElement> list,
21 ConstructorData &&data)
22 {
23 flags_ |= data.extraFlags;
24
25 const SavedTypeRelationFlagsContext savedTypeRelationFlags(relation, flags_);
26 relation->SetNode(data.node);
27 relation->Result(false);
28
29 if (!relation->IsSupertypeOf(data.target, data.source)) {
30 relation->IsCastableTo(data.source, data.target);
31 if (!relation->IsTrue() && data.source->ToString() == data.target->ToString()) {
32 relation->Result(true);
33 }
34 if (!relation->IsTrue() && (flags_ & TypeRelationFlag::NO_THROW) == 0) {
35 relation->RaiseError(list, data.pos);
36 }
37 }
38
39 uncheckedCast_ = relation->UncheckedCast();
40 relation->SetNode(nullptr);
41 }
42
43 bool CastingContext::UncheckedCast() const noexcept
44 {
45 return uncheckedCast_;
46 }
47 } // namespace ark::es2panda::checker
48