1 /*
2 * Copyright (c) 2021-2022 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 "chainExpression.h"
17
18 #include <compiler/base/optionalChain.h>
19 #include <compiler/core/pandagen.h>
20 #include <ir/astDump.h>
21 #include <ir/expressions/callExpression.h>
22 #include <ir/expressions/memberExpression.h>
23
24 namespace panda::es2panda::ir {
25
Iterate(const NodeTraverser & cb) const26 void ChainExpression::Iterate(const NodeTraverser &cb) const
27 {
28 cb(expression_);
29 }
30
Dump(ir::AstDumper * dumper) const31 void ChainExpression::Dump(ir::AstDumper *dumper) const
32 {
33 dumper->Add({{"type", "ChainExpression"}, {"expression", expression_}});
34 }
35
Compile(compiler::PandaGen * pg) const36 void ChainExpression::Compile(compiler::PandaGen *pg) const
37 {
38 compiler::OptionalChain chain(pg, this);
39
40 if (expression_->IsMemberExpression()) {
41 expression_->AsMemberExpression()->Compile(pg);
42 } else {
43 ASSERT(expression_->IsCallExpression());
44 expression_->AsCallExpression()->Compile(pg);
45 }
46 }
47
Check(checker::Checker * checker) const48 checker::Type *ChainExpression::Check(checker::Checker *checker) const
49 {
50 return expression_->Check(checker);
51 }
52
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)53 void ChainExpression::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
54 {
55 expression_ = std::get<ir::AstNode *>(cb(expression_))->AsExpression();
56 }
57
58 } // namespace panda::es2panda::ir
59