1 /**
2 * Copyright (c) 2021 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 "awaitExpression.h"
17
18 #include <compiler/core/pandagen.h>
19 #include <typescript/checker.h>
20 #include <ir/astDump.h>
21
22 namespace panda::es2panda::ir {
23
Iterate(const NodeTraverser & cb) const24 void AwaitExpression::Iterate(const NodeTraverser &cb) const
25 {
26 if (argument_) {
27 cb(argument_);
28 }
29 }
30
Dump(ir::AstDumper * dumper) const31 void AwaitExpression::Dump(ir::AstDumper *dumper) const
32 {
33 dumper->Add({{"type", "AwaitExpression"}, {"argument", AstDumper::Nullable(argument_)}});
34 }
35
Compile(compiler::PandaGen * pg) const36 void AwaitExpression::Compile(compiler::PandaGen *pg) const
37 {
38 compiler::RegScope rs(pg);
39
40 if (argument_) {
41 argument_->Compile(pg);
42 } else {
43 pg->LoadConst(this, compiler::Constant::JS_UNDEFINED);
44 }
45
46 pg->EmitAwait(this);
47 }
48
Check(checker::Checker * checker) const49 checker::Type *AwaitExpression::Check(checker::Checker *checker) const
50 {
51 return checker->GlobalAnyType();
52 }
53
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)54 void AwaitExpression::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
55 {
56 if (argument_) {
57 argument_ = std::get<ir::AstNode *>(cb(argument_))->AsExpression();
58 }
59 }
60
61 } // namespace panda::es2panda::ir
62