clang-tidy/readability/ImplicitBoolConversionCheck.h

0001 //===--- ImplicitBoolConversionCheck.h - clang-tidy--------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_IMPLICIT_BOOL_CONVERSION_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_IMPLICIT_BOOL_CONVERSION_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::readability {
0015
0016 /// Checks for use of implicit bool conversions in expressions.
0017 ///
0018 /// For the user-facing documentation see:
0019 /// http://clang.llvm.org/extra/clang-tidy/checks/readability/implicit-bool-conversion.html
0020 class ImplicitBoolConversionCheck : public ClangTidyCheck {
0021 public:
0022   ImplicitBoolConversionCheck(StringRef Name, ClangTidyContext *Context);
0023   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0024     return LangOpts.Bool;
0025   }
0026   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
0027   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0028   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0029
0030 private:
0031   void handleCastToBool(const ImplicitCastExpr *CastExpression,
0032                         const Stmt *ParentStatement, ASTContext &Context);
0033   void handleCastFromBool(const ImplicitCastExpr *Cast,
0034                           const ImplicitCastExpr *NextImplicitCast,
0035                           ASTContext &Context);
0036
0037   const bool AllowIntegerConditions;
0038   const bool AllowPointerConditions;
0039   const bool UseUpperCaseLiteralSuffix;
0040 };
0041
0042 } // namespace clang::tidy::readability
0043
0044 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_READABILITY_IMPLICIT_BOOL_CONVERSION_H