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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_LITERAL_H
17 #define ES2PANDA_IR_EXPRESSION_LITERAL_H
18 
19 #include <ir/expression.h>
20 
21 namespace panda::es2panda::compiler {
22 class PandaGen;
23 }  // namespace panda::es2panda::compiler
24 
25 namespace panda::es2panda::checker {
26 class Checker;
27 class Type;
28 }  // namespace panda::es2panda::checker
29 
30 namespace panda::es2panda::ir {
31 
32 // must be kept in sync with panda::panda_file::LiteralTag
33 enum class LiteralTag {
34     TAGVALUE,
35     BOOLEAN,
36     INTEGER,
37     FLOAT,
38     DOUBLE,
39     STRING,
40     METHOD,
41     GENERATOR_METHOD,
42     ACCESSOR,
43     METHODAFFILIATE,
44     // 0x0a - 0x15 for ARRAY_Type
45     ASYNC_GENERATOR_METHOD = 22,
46     LITERALBUFFERINDEX = 23,
47     LITERALARRAY = 24,
48     BUILTINTYPEINDEX = 25,
49     NULL_VALUE = 255,
50 };
51 
52 class Literal : public Expression {
53 public:
IsLiteral()54     bool IsLiteral() const override
55     {
56         return true;
57     }
58 
59     virtual LiteralTag Tag() const = 0;
60 
61     bool GetBoolean() const;
62     uint32_t GetInt() const;
63     double GetDouble() const;
64     const util::StringView &GetString() const;
65     const util::StringView &GetMethod() const;
66     uint16_t GetMethodAffiliate() const;
67     std::optional<util::StringView> GetName() const;
68 
69 protected:
Literal(AstNodeType type)70     explicit Literal(AstNodeType type) : Expression(type) {}
71 };
72 
73 }  // namespace panda::es2panda::ir
74 
75 #endif
76