1 /**
2 * Copyright (c) 2021-2024 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 "undefinedLiteral.h"
17
18 #include "compiler/core/pandagen.h"
19 #include "compiler/core/ETSGen.h"
20 #include "checker/TSchecker.h"
21 #include "checker/ETSchecker.h"
22 #include "ir/astDump.h"
23 #include "ir/srcDump.h"
24
25 namespace ark::es2panda::ir {
TransformChildren([[maybe_unused]] const NodeTransformer &cb, [[maybe_unused]] std::string_view const transformationName)26 void UndefinedLiteral::TransformChildren([[maybe_unused]] const NodeTransformer &cb,
27 [[maybe_unused]] std::string_view const transformationName)
28 {
29 }
30
Iterate([[maybe_unused]] const NodeTraverser &cb) const31 void UndefinedLiteral::Iterate([[maybe_unused]] const NodeTraverser &cb) const {}
32
Dump(ir::AstDumper *dumper) const33 void UndefinedLiteral::Dump(ir::AstDumper *dumper) const
34 {
35 dumper->Add({{"type", "UndefinedLiteral"}, {"value", AstDumper::Property::Constant::PROP_UNDEFINED}});
36 }
37
Dump(ir::SrcDumper *dumper) const38 void UndefinedLiteral::Dump(ir::SrcDumper *dumper) const
39 {
40 dumper->Add("undefined");
41 }
42
Compile(compiler::PandaGen *pg) const43 void UndefinedLiteral::Compile(compiler::PandaGen *pg) const
44 {
45 pg->LoadConst(this, compiler::Constant::JS_UNDEFINED);
46 }
47
Compile(compiler::ETSGen *etsg) const48 void UndefinedLiteral::Compile(compiler::ETSGen *etsg) const
49 {
50 etsg->LoadAccumulatorUndefined(this);
51 }
52
Check(checker::TSChecker *checker)53 checker::Type *UndefinedLiteral::Check(checker::TSChecker *checker)
54 {
55 return checker->GlobalUndefinedType();
56 }
57
Check([[maybe_unused]] checker::ETSChecker *checker)58 checker::Type *UndefinedLiteral::Check([[maybe_unused]] checker::ETSChecker *checker)
59 {
60 SetTsType(checker->GlobalETSUndefinedType());
61 return TsType();
62 }
63
Clone(ArenaAllocator *allocator, AstNode *parent)64 UndefinedLiteral *UndefinedLiteral::Clone(ArenaAllocator *allocator, AstNode *parent)
65 {
66 if (auto *const clone = allocator->New<UndefinedLiteral>(); clone != nullptr) {
67 if (parent != nullptr) {
68 clone->SetParent(parent);
69 }
70 clone->SetRange(Range());
71 return clone;
72 }
73
74 throw Error(ErrorType::GENERIC, "", CLONE_ALLOCATION_ERROR);
75 }
76 } // namespace ark::es2panda::ir
77