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: RedundantStrcatCallsCheck(StringRef Name,ClangTidyContext * Context)26 RedundantStrcatCallsCheck(StringRef Name, ClangTidyContext *Context) 27 : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)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 38