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 <compiler/core/regScope.h>
20 #include <typescript/checker.h>
21 #include <ir/astDump.h>
22
23 namespace panda::es2panda::ir {
24
Iterate(const NodeTraverser & cb) const25 void AwaitExpression::Iterate(const NodeTraverser &cb) const
26 {
27 if (argument_) {
28 cb(argument_);
29 }
30 }
31
Dump(ir::AstDumper * dumper) const32 void AwaitExpression::Dump(ir::AstDumper *dumper) const
33 {
34 dumper->Add({{"type", "AwaitExpression"}, {"argument", AstDumper::Nullable(argument_)}});
35 }
36
Compile(compiler::PandaGen * pg) const37 void AwaitExpression::Compile(compiler::PandaGen *pg) const
38 {
39 compiler::RegScope rs(pg);
40
41 if (argument_) {
42 argument_->Compile(pg);
43 } else {
44 pg->LoadConst(this, compiler::Constant::JS_UNDEFINED);
45 }
46
47 pg->EmitAwait(this);
48 }
49
Check(checker::Checker * checker) const50 checker::Type *AwaitExpression::Check(checker::Checker *checker) const
51 {
52 // TODO(aszilagyi)
53 return checker->GlobalAnyType();
54 }
55
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)56 void AwaitExpression::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
57 {
58 if (argument_) {
59 argument_ = std::get<ir::AstNode *>(cb(argument_))->AsExpression();
60 }
61 }
62
63 } // namespace panda::es2panda::ir
64