clang-tools-extra/clang-tidy/google/IntegerTypesCheck.h

   1 //===--- IntegerTypesCheck.h - clang-tidy -----------------------*- C++ -*-===//
   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-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_INTEGERTYPESCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_INTEGERTYPESCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 #include <memory>
  15
  16 namespace clang {
  17
  18 class IdentifierTable;
  19
  20 namespace tidy::google::runtime {
  21
  22 /// Finds uses of `short`, `long` and `long long` and suggest replacing them
  23 /// with `u?intXX(_t)?`.
  24 ///
  25 /// Corresponding cpplint.py check: 'runtime/int'.
  26 ///
  27 /// For the user-facing documentation see:
  28 /// http://clang.llvm.org/extra/clang-tidy/checks/google/runtime-int.html
  29 class IntegerTypesCheck : public ClangTidyCheck {
  30 public:
  31   IntegerTypesCheck(StringRef Name, ClangTidyContext *Context);
  32   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  33     return LangOpts.CPlusPlus && !LangOpts.ObjC;
  34   }
  35   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  36   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  37   void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
  38   std::optional<TraversalKind> getCheckTraversalKind() const override {
  39     return TK_IgnoreUnlessSpelledInSource;
  40   }
  41
  42 private:
  43   const StringRef UnsignedTypePrefix;
  44   const StringRef SignedTypePrefix;
  45   const StringRef TypeSuffix;
  46
  47   std::unique_ptr<IdentifierTable> IdentTable;
  48 };
  49
  50 } // namespace tidy::google::runtime
  51 } // namespace clang
  52
  53 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_GOOGLE_INTEGERTYPESCHECK_H