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_CORE_SAVED_BINDINGS_CTX_H
17#define ES2PANDA_COMPILER_CORE_SAVED_BINDINGS_CTX_H
18
19#include "varbinder/varbinder.h"
20#include "ir/module/importDeclaration.h"
21
22namespace ark::es2panda::compiler {
23class SavedBindingsContext {
24public:
25    explicit SavedBindingsContext(varbinder::VarBinder *varbinder)
26        : varbinder_(varbinder), savedBindings_(varbinder_->GetScope()->Bindings())
27    {
28    }
29    NO_COPY_SEMANTIC(SavedBindingsContext);
30    NO_MOVE_SEMANTIC(SavedBindingsContext);
31    ~SavedBindingsContext() = default;
32
33protected:
34    ArenaAllocator *Allocator() const
35    {
36        return varbinder_->Allocator();
37    }
38
39    varbinder::VarBinder *VarBinder() const
40    {
41        return varbinder_;
42    }
43
44    const varbinder::Scope::VariableMap &SavedBindings() const
45    {
46        return savedBindings_;
47    }
48
49private:
50    varbinder::VarBinder *varbinder_;
51    varbinder::Scope::VariableMap savedBindings_;
52};
53
54class ExportDeclarationContext : public SavedBindingsContext {
55public:
56    explicit ExportDeclarationContext(varbinder::VarBinder *varbinder) : SavedBindingsContext(varbinder) {}
57    NO_COPY_SEMANTIC(ExportDeclarationContext);
58    NO_MOVE_SEMANTIC(ExportDeclarationContext);
59    ~ExportDeclarationContext() = default;
60
61    void BindExportDecl(ir::AstNode *exportDecl);
62
63protected:
64    static constexpr std::string_view DEFAULT_EXPORT = "*default*";
65};
66
67class ImportDeclarationContext : public SavedBindingsContext {
68public:
69    explicit ImportDeclarationContext(varbinder::VarBinder *varbinder) : SavedBindingsContext(varbinder) {}
70
71    NO_COPY_SEMANTIC(ImportDeclarationContext);
72    NO_MOVE_SEMANTIC(ImportDeclarationContext);
73
74    ~ImportDeclarationContext() = default;
75
76    void BindImportDecl(ir::ImportDeclaration *importDecl);
77
78private:
79};
80}  // namespace ark::es2panda::compiler
81
82#endif
83