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_COMPILER_CORE_SWITCH_BUILDER_H
17 #define ES2PANDA_COMPILER_CORE_SWITCH_BUILDER_H
18 
19 #include <ir/irnode.h>
20 #include <compiler/core/dynamicContext.h>
21 
22 namespace panda::es2panda::ir {
23 class SwitchStatement;
24 }  // namespace panda::es2panda::ir
25 
26 namespace panda::es2panda::compiler {
27 class PandaGen;
28 class Label;
29 
30 class SwitchBuilder {
31 public:
32     SwitchBuilder(PandaGen *pg, const ir::SwitchStatement *stmt);
33     NO_COPY_SEMANTIC(SwitchBuilder);
34     NO_MOVE_SEMANTIC(SwitchBuilder);
35     ~SwitchBuilder();
36 
37     void SetCaseTarget(uint32_t index);
38     void CompileTagOfSwitch(VReg tag);
39     void CompileCaseStatements(uint32_t index);
40     void JumpIfCase(VReg tag, uint32_t index);
41     void JumpToDefault(uint32_t defaultIndex);
42     void Break();
43 
44 private:
45     PandaGen *pg_;
46     Label *end_;
47     LabelContext labelCtx_;
48     const ir::SwitchStatement *stmt_;
49     std::vector<Label *> caseLabels_;
50 };
51 }  // namespace panda::es2panda::compiler
52 
53 #endif
54