clang-tools-extra/clang-tidy/abseil/RedundantStrcatCallsCheck.h

   1 //===--- RedundantStrcatCallsCheck.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_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
  10 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
  11
  12 #include "../ClangTidyCheck.h"
  13
  14 namespace clang::tidy::abseil {
  15
  16 /// Flags redundant calls to absl::StrCat when the result is being passed to
  17 ///     another call of absl::StrCat/absl::StrAppend. Also suggests a fix to
  18 ///     collapse the calls.
  19 /// Example:
  20 ///   StrCat(1, StrCat(2, 3))  ==>  StrCat(1, 2, 3)
  21 ///
  22 /// For the user-facing documentation see:
  23 /// http://clang.llvm.org/extra/clang-tidy/checks/abseil/redundant-strcat-calls.html
  24 class RedundantStrcatCallsCheck : public ClangTidyCheck {
  25 public:
  26   RedundantStrcatCallsCheck(StringRef Name, ClangTidyContext *Context)
  27       : ClangTidyCheck(Name, Context) {}
  28   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
  29     return LangOpts.CPlusPlus;
  30   }
  31   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
  32   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
  33 };
  34
  35 } // namespace clang::tidy::abseil
  36
  37 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H