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
20 namespace panda::es2panda::ir {
21
Iterate(const NodeTraverser & cb) const22 void TSOptionalType::Iterate(const NodeTraverser &cb) const
23 {
24 cb(type_);
25 }
26
Dump(ir::AstDumper * dumper) const27 void TSOptionalType::Dump(ir::AstDumper *dumper) const
28 {
29 dumper->Add({{"type", "TSOptionalType"}, {"typeAnnotation", type_}});
30 }
31
Compile(compiler::PandaGen * pg) const32 void TSOptionalType::Compile([[maybe_unused]] compiler::PandaGen *pg) const {}
33
Check(checker::Checker * checker) const34 checker::Type *TSOptionalType::Check([[maybe_unused]] checker::Checker *checker) const
35 {
36 // TODO(xucheng): Implement checker for ts optional type
37 return nullptr;
38 }
39
GetType(checker::Checker * checker) const40 checker::Type *TSOptionalType::GetType(checker::Checker *checker) const
41 {
42 auto found = checker->NodeCache().find(this);
43 if (found != checker->NodeCache().end()) {
44 return found->second;
45 }
46
47 checker::Type *type = type_->AsTypeNode()->GetType(checker);
48 checker->NodeCache().insert({this, type});
49 return type;
50 }
51
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)52 void TSOptionalType::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
53 {
54 type_ = std::get<ir::AstNode *>(cb(type_))->AsExpression();
55 }
56
57 } // namespace panda::es2panda::ir
58