1/*
2 * Copyright (c) 2021-2022 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_BASE_LREFERENCE_H
17#define ES2PANDA_COMPILER_BASE_LREFERENCE_H
18
19#include <binder/scope.h>
20#include <ir/irnode.h>
21
22namespace panda::es2panda::ir {
23class AstNode;
24}  // namespace panda::es2panda::ir
25
26namespace panda::es2panda::compiler {
27
28enum class ReferenceKind {
29    MEMBER,
30    VAR_OR_GLOBAL,
31    DESTRUCTURING,
32};
33
34enum class ReferenceFlags {
35    NONE = 0,
36    DECLARATION = 1U << 0U,
37};
38
39class PandaGen;
40
41class LReference {
42public:
43    LReference(const ir::AstNode *node, PandaGen *pg, bool isDeclaration, ReferenceKind refKind,
44               binder::ScopeFindResult res);
45    ~LReference() = default;
46    NO_COPY_SEMANTIC(LReference);
47    NO_MOVE_SEMANTIC(LReference);
48
49    void GetValue();
50    void SetValue();
51    binder::Variable *Variable() const;
52    ReferenceKind Kind() const;
53
54    static LReference CreateLRef(PandaGen *pg, const ir::AstNode *node, bool isDeclaration);
55
56private:
57    const ir::AstNode *node_;
58    PandaGen *pg_;
59    ReferenceKind refKind_;
60    binder::ScopeFindResult res_;
61    VReg obj_;
62    Operand prop_;
63    bool isDeclaration_;
64};
65
66}  // namespace panda::es2panda::compiler
67
68#endif
69