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 #ifndef ES2PANDA_COMPILER_LOWERING_PHASE_H
17 #define ES2PANDA_COMPILER_LOWERING_PHASE_H
18 
19 #include "parser/program/program.h"
20 #include "public/public.h"
21 
22 namespace ark::es2panda::compiler {
23 
24 class Phase {
25 public:
26     /* If Apply returns false, processing is stopped. */
27     bool Apply(public_lib::Context *ctx, parser::Program *program);
28 
29     virtual std::string_view Name() const = 0;
30 
Precondition([[maybe_unused]] public_lib::Context *ctx, [[maybe_unused]] const parser::Program *program)31     virtual bool Precondition([[maybe_unused]] public_lib::Context *ctx,
32                               [[maybe_unused]] const parser::Program *program)
33     {
34         return true;
35     }
36     virtual bool Perform(public_lib::Context *ctx, parser::Program *program) = 0;
Postcondition([[maybe_unused]] public_lib::Context *ctx, [[maybe_unused]] const parser::Program *program)37     virtual bool Postcondition([[maybe_unused]] public_lib::Context *ctx,
38                                [[maybe_unused]] const parser::Program *program)
39     {
40         return true;
41     }
42 };
43 
44 std::vector<Phase *> GetPhaseList(ScriptExtension ext);
45 
46 }  // namespace ark::es2panda::compiler
47 
48 #endif
49