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 #ifndef ES2PANDA_IR_EXPRESSION_UPDATE_EXPRESSION_H
17 #define ES2PANDA_IR_EXPRESSION_UPDATE_EXPRESSION_H
18 
19 #include <ir/expression.h>
20 #include <lexer/token/tokenType.h>
21 
22 namespace panda::es2panda::compiler {
23 class PandaGen;
24 }  // namespace panda::es2panda::compiler
25 
26 namespace panda::es2panda::checker {
27 class Checker;
28 class Type;
29 }  // namespace panda::es2panda::checker
30 namespace panda::es2panda::ir {
31 
32 class UpdateExpression : public Expression {
33 public:
UpdateExpression(Expression *argument, lexer::TokenType updateOperator, bool isPrefix)34     explicit UpdateExpression(Expression *argument, lexer::TokenType updateOperator, bool isPrefix)
35         : Expression(AstNodeType::UPDATE_EXPRESSION),
36           argument_(argument),
37           operator_(updateOperator),
38           prefix_(isPrefix)
39     {
40         ASSERT(updateOperator == lexer::TokenType::PUNCTUATOR_PLUS_PLUS ||
41                updateOperator == lexer::TokenType::PUNCTUATOR_MINUS_MINUS);
42     }
43 
OperatorType() const44     lexer::TokenType OperatorType() const
45     {
46         return operator_;
47     }
48 
Argument() const49     const Expression *Argument() const
50     {
51         return argument_;
52     }
53 
IsPrefix() const54     bool IsPrefix() const
55     {
56         return prefix_;
57     }
58     void Iterate(const NodeTraverser &cb) const override;
59     void Dump(ir::AstDumper *dumper) const override;
60     void Compile(compiler::PandaGen *pg) const override;
61     checker::Type *Check(checker::Checker *checker) const override;
62     void UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder) override;
63 
64 private:
65     Expression *argument_;
66     lexer::TokenType operator_;
67     bool prefix_;
68 };
69 
70 }  // namespace panda::es2panda::ir
71 
72 #endif
73