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1//===----------------------------------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_MISPLACEDWIDENINGCASTCHECK_H10#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_MISPLACEDWIDENINGCASTCHECK_H11 12#include "../ClangTidyCheck.h"13 14namespace clang::tidy::bugprone {15 16/// Find casts of calculation results to bigger type. Typically from int to17/// long. If the intention of the cast is to avoid loss of precision then18/// the cast is misplaced, and there can be loss of precision. Otherwise19/// such cast is ineffective.20///21/// There is one option:22///23/// - `CheckImplicitCasts`: Whether to check implicit casts as well which may24// be the most common case. Enabled by default.25///26/// For the user-facing documentation see:27/// https://clang.llvm.org/extra/clang-tidy/checks/bugprone/misplaced-widening-cast.html28class MisplacedWideningCastCheck : public ClangTidyCheck {29public:30 MisplacedWideningCastCheck(StringRef Name, ClangTidyContext *Context);31 void storeOptions(ClangTidyOptions::OptionMap &Opts) override;32 void registerMatchers(ast_matchers::MatchFinder *Finder) override;33 void check(const ast_matchers::MatchFinder::MatchResult &Result) override;34 35private:36 const bool CheckImplicitCasts;37};38 39} // namespace clang::tidy::bugprone40 41#endif42