1/*
2 * Copyright (c) 2021 - 2023 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_FUNCTION_GENERATOR_FUNCTION_BUILDER_H
17#define ES2PANDA_COMPILER_FUNCTION_GENERATOR_FUNCTION_BUILDER_H
18
19#include "ir/irnode.h"
20#include "compiler/function/functionBuilder.h"
21
22namespace ark::es2panda::ir {
23class YieldExpression;
24}  // namespace ark::es2panda::ir
25
26namespace ark::es2panda::compiler {
27class PandaGen;
28
29enum class GeneratorState {
30    UNDEFINED = 0,
31    SUSPENDED_START,
32    SUSPENDED_YIELD,
33    EXECUTING,
34    COMPLETED,
35    AWAITING_RETURN,
36};
37
38class GeneratorFunctionBuilder : public FunctionBuilder {
39public:
40    explicit GeneratorFunctionBuilder(PandaGen *pg, CatchTable *catchTable) : FunctionBuilder(pg, catchTable) {}
41
42    ~GeneratorFunctionBuilder() override = default;
43    NO_COPY_SEMANTIC(GeneratorFunctionBuilder);
44    NO_MOVE_SEMANTIC(GeneratorFunctionBuilder);
45
46    void Prepare(const ir::ScriptFunction *node) const override;
47    void CleanUp(const ir::ScriptFunction *node) const override;
48
49    void DirectReturn(const ir::AstNode *node) const override;
50    void ImplicitReturn(const ir::AstNode *node) const override;
51
52    void Yield(const ir::AstNode *node) override;
53
54protected:
55    BuilderType BuilderKind() const override
56    {
57        return BuilderType::GENERATOR;
58    }
59};
60}  // namespace ark::es2panda::compiler
61
62#endif
63