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79 lines
3.2 KiB
C++
79 lines
3.2 KiB
C++
//===--- SimplifyBooleanExpr.h clang-tidy -----------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
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#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
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#include "../ClangTidyCheck.h"
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namespace clang::tidy::readability {
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/// Looks for boolean expressions involving boolean constants and simplifies
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/// them to use the appropriate boolean expression directly.
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///
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/// For the user-facing documentation see:
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/// http://clang.llvm.org/extra/clang-tidy/checks/readability/simplify-boolean-expr.html
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class SimplifyBooleanExprCheck : public ClangTidyCheck {
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public:
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SimplifyBooleanExprCheck(StringRef Name, ClangTidyContext *Context);
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void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
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void registerMatchers(ast_matchers::MatchFinder *Finder) override;
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void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
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std::optional<TraversalKind> getCheckTraversalKind() const override {
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return TK_IgnoreUnlessSpelledInSource;
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}
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private:
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class Visitor;
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void reportBinOp(const ASTContext &Context, const BinaryOperator *Op);
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void replaceWithThenStatement(const ASTContext &Context,
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const IfStmt *IfStatement,
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const Expr *BoolLiteral);
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void replaceWithElseStatement(const ASTContext &Context,
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const IfStmt *IfStatement,
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const Expr *BoolLiteral);
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void replaceWithCondition(const ASTContext &Context,
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const ConditionalOperator *Ternary, bool Negated);
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void replaceWithReturnCondition(const ASTContext &Context, const IfStmt *If,
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const Expr *BoolLiteral, bool Negated);
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void replaceWithAssignment(const ASTContext &Context, const IfStmt *If,
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const Expr *Var, SourceLocation Loc, bool Negated);
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void replaceCompoundReturnWithCondition(const ASTContext &Context,
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const ReturnStmt *Ret, bool Negated,
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const IfStmt *If,
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const Expr *ThenReturn);
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bool reportDeMorgan(const ASTContext &Context, const UnaryOperator *Outer,
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const BinaryOperator *Inner, bool TryOfferFix,
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const Stmt *Parent, const ParenExpr *Parens);
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bool issueDiag(const ASTContext &Context, SourceLocation Loc,
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StringRef Description, SourceRange ReplacementRange,
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StringRef Replacement);
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bool canBeBypassed(const Stmt *S) const;
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const bool IgnoreMacros;
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const bool ChainedConditionalReturn;
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const bool ChainedConditionalAssignment;
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const bool SimplifyDeMorgan;
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const bool SimplifyDeMorganRelaxed;
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};
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} // namespace clang::tidy::readability
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#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_SIMPLIFY_BOOLEAN_EXPR_H
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