1 /*
2 * Copyright (c) 2022 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 "tsOptionalType.h"
17
18 #include <ir/astDump.h>
19 #include <typescript/checker.h>
20
21 namespace panda::es2panda::ir {
22
Iterate(const NodeTraverser & cb) const23 void TSOptionalType::Iterate(const NodeTraverser &cb) const
24 {
25 cb(type_);
26 }
27
Dump(ir::AstDumper * dumper) const28 void TSOptionalType::Dump(ir::AstDumper *dumper) const
29 {
30 dumper->Add({{"type", "TSOptionalType"}, {"typeAnnotation", type_}});
31 }
32
Compile(compiler::PandaGen * pg) const33 void TSOptionalType::Compile([[maybe_unused]] compiler::PandaGen *pg) const {}
34
Check(checker::Checker * checker) const35 checker::Type *TSOptionalType::Check([[maybe_unused]] checker::Checker *checker) const
36 {
37 // TODO(xucheng): Implement checker for ts optional type
38 return nullptr;
39 }
40
GetType(checker::Checker * checker) const41 checker::Type *TSOptionalType::GetType(checker::Checker *checker) const
42 {
43 auto found = checker->NodeCache().find(this);
44 if (found != checker->NodeCache().end()) {
45 return found->second;
46 }
47
48 checker::Type *type = type_->AsTypeNode()->GetType(checker);
49 checker->NodeCache().insert({this, type});
50 return type;
51 }
52
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)53 void TSOptionalType::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
54 {
55 type_ = std::get<ir::AstNode *>(cb(type_))->AsExpression();
56 }
57
58 } // namespace panda::es2panda::ir
59