| //===--- SimplifyBooleanExpr.h clang-tidy -----------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H |
| |
| #include "../ClangTidyCheck.h" |
| |
| namespace clang { |
| namespace tidy { |
| namespace readability { |
| |
| /// Looks for boolean expressions involving boolean constants and simplifies |
| /// them to use the appropriate boolean expression directly. |
| /// |
| /// For the user-facing documentation see: |
| /// http://clang.llvm.org/extra/clang-tidy/checks/readability-simplify-boolean-expr.html |
| class SimplifyBooleanExprCheck : public ClangTidyCheck { |
| public: |
| SimplifyBooleanExprCheck(StringRef Name, ClangTidyContext *Context); |
| |
| void storeOptions(ClangTidyOptions::OptionMap &Options) override; |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| llvm::Optional<TraversalKind> getCheckTraversalKind() const override { |
| return TK_IgnoreUnlessSpelledInSource; |
| } |
| |
| private: |
| class Visitor; |
| |
| void reportBinOp(const ast_matchers::MatchFinder::MatchResult &Result, |
| const BinaryOperator *Op); |
| |
| void matchBoolCondition(ast_matchers::MatchFinder *Finder, bool Value, |
| StringRef BooleanId); |
| |
| void matchTernaryResult(ast_matchers::MatchFinder *Finder, bool Value, |
| StringRef TernaryId); |
| |
| void matchIfReturnsBool(ast_matchers::MatchFinder *Finder, bool Value, |
| StringRef Id); |
| |
| void matchIfAssignsBool(ast_matchers::MatchFinder *Finder, bool Value, |
| StringRef Id); |
| |
| void matchCompoundIfReturnsBool(ast_matchers::MatchFinder *Finder, bool Value, |
| StringRef Id); |
| |
| void |
| replaceWithThenStatement(const ast_matchers::MatchFinder::MatchResult &Result, |
| const Expr *BoolLiteral); |
| |
| void |
| replaceWithElseStatement(const ast_matchers::MatchFinder::MatchResult &Result, |
| const Expr *FalseConditionRemoved); |
| |
| void |
| replaceWithCondition(const ast_matchers::MatchFinder::MatchResult &Result, |
| const ConditionalOperator *Ternary, |
| bool Negated = false); |
| |
| void replaceWithReturnCondition( |
| const ast_matchers::MatchFinder::MatchResult &Result, const IfStmt *If, |
| bool Negated = false); |
| |
| void |
| replaceWithAssignment(const ast_matchers::MatchFinder::MatchResult &Result, |
| const IfStmt *If, bool Negated = false); |
| |
| void replaceCompoundReturnWithCondition( |
| const ast_matchers::MatchFinder::MatchResult &Result, |
| const CompoundStmt *Compound, bool Negated = false); |
| |
| void issueDiag(const ast_matchers::MatchFinder::MatchResult &Result, |
| SourceLocation Loc, StringRef Description, |
| SourceRange ReplacementRange, StringRef Replacement); |
| |
| const bool ChainedConditionalReturn; |
| const bool ChainedConditionalAssignment; |
| }; |
| |
| } // namespace readability |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H |