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 #ifndef ES2PANDA_CHECKER_TSANALYZER_H
16 #define ES2PANDA_CHECKER_TSANALYZER_H
17 
18 #include "checker/SemanticAnalyzer.h"
19 #include "checker/TSchecker.h"
20 #include "util/helpers.h"
21 
22 namespace ark::es2panda::checker {
23 
24 class TSAnalyzer final : public SemanticAnalyzer {
25 public:
TSAnalyzer(Checker *checker)26     explicit TSAnalyzer(Checker *checker) : SemanticAnalyzer(checker) {};
27 
28     // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
29 #define DECLARE_TSANALYZER_CHECK_METHOD(_, nodeType) checker::Type *Check(ir::nodeType *node) const override;
30     AST_NODE_MAPPING(DECLARE_TSANALYZER_CHECK_METHOD)
31 #undef DECLARE_TSANALYZER_CHECK_METHOD
32 
33 // NOLINTNEXTLINE(cppcoreguidelines-macro-usage)
34 #define DECLARE_TSANALYZER_CHECK_METHOD(_, __, nodeType, ___) \
35     virtual checker::Type *Check(ir::nodeType *node) const override;
36     AST_NODE_REINTERPRET_MAPPING(DECLARE_TSANALYZER_CHECK_METHOD)
37 #undef DECLARE_TSANALYZER_CHECK_METHOD
38 
39     checker::Type *CheckDeleteKeyword([[maybe_unused]] checker::TSChecker *checker, ir::UnaryExpression *expr) const;
40     checker::Type *CheckLiteral([[maybe_unused]] checker::TSChecker *checker, ir::UnaryExpression *expr) const;
41     checker::Type *CheckAssignmentExprOperatorType(ir::AssignmentExpression *expr, checker::Type *leftType,
42                                                    checker::Type *rightType) const;
43     checker::Type *CheckBinaryExprArithmLogical(ir::BinaryExpression *expr, ExpressionTypeInfo *leftRightType,
44                                                 TSChecker *checker) const;
45     void CheckComputed(ir::MemberExpression *expr, checker::Type *indexType) const;
46     void CheckSpread(std::unordered_map<util::StringView, lexer::SourcePosition> &allPropertiesMap,
47                      checker::ObjectDescriptor *desc, ir::Expression *it) const;
48     checker::IndexInfo *CreateUnionTypeHelper(ArenaVector<checker::Type *> &computedPropTypes,
49                                               bool inConstContext) const;
50     void CheckNonComputed(checker::ObjectDescriptor *desc, ir::Expression *it,
51                           std::unordered_map<util::StringView, lexer::SourcePosition> &allPropertiesMap,
52                           bool inConstContext) const;
53 
54 private:
55     TSChecker *GetTSChecker() const;
56 
57     varbinder::EnumMemberResult EvaluateBinaryExpression(checker::TSChecker *checker, varbinder::EnumVariable *enumVar,
58                                                          const ir::BinaryExpression *expr) const;
59     varbinder::EnumMemberResult EvaluateEnumMember(checker::TSChecker *checker, varbinder::EnumVariable *enumVar,
60                                                    const ir::AstNode *expr) const;
61     varbinder::EnumMemberResult EvaluateUnaryExpression(checker::TSChecker *checker, varbinder::EnumVariable *enumVar,
62                                                         const ir::UnaryExpression *expr) const;
63     void InferEnumVariableType(varbinder::EnumVariable *variable, double *value, bool *initNext, bool *isLiteralEnum,
64                                bool isConstEnum) const;
65     checker::Type *InferType(checker::TSChecker *checker, bool isConst, ir::TSEnumDeclaration *st) const;
66 };
67 
68 }  // namespace ark::es2panda::checker
69 
70 #endif  // ES2PANDA_CHECKER_TSSANALYZER_H
71