SimplifyBooleanExprCheck.h
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//===--- 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;
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