| //===--- MisplacedWideningCastCheck.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_BUGPRONE_MISPLACEDWIDENINGCASTCHECK_H |
| #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_MISPLACEDWIDENINGCASTCHECK_H |
| |
| #include "../ClangTidyCheck.h" |
| |
| namespace clang { |
| namespace tidy { |
| namespace bugprone { |
| |
| /// Find casts of calculation results to bigger type. Typically from int to |
| /// long. If the intention of the cast is to avoid loss of precision then |
| /// the cast is misplaced, and there can be loss of precision. Otherwise |
| /// such cast is ineffective. |
| /// |
| /// There is one option: |
| /// |
| /// - `CheckImplicitCasts`: Whether to check implicit casts as well which may |
| // be the most common case. Enabled by default. |
| /// |
| /// For the user-facing documentation see: |
| /// http://clang.llvm.org/extra/clang-tidy/checks/bugprone-misplaced-widening-cast.html |
| class MisplacedWideningCastCheck : public ClangTidyCheck { |
| public: |
| MisplacedWideningCastCheck(StringRef Name, ClangTidyContext *Context); |
| void storeOptions(ClangTidyOptions::OptionMap &Opts) override; |
| void registerMatchers(ast_matchers::MatchFinder *Finder) override; |
| void check(const ast_matchers::MatchFinder::MatchResult &Result) override; |
| |
| private: |
| const bool CheckImplicitCasts; |
| }; |
| |
| } // namespace bugprone |
| } // namespace tidy |
| } // namespace clang |
| |
| #endif |