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 { 15 namespace tidy { 16 namespace abseil { 17 18 /// Flags redundant calls to absl::StrCat when the result is being passed to 19 /// another call of absl::StrCat/absl::StrAppend. Also suggests a fix to 20 /// collapse the calls. 21 /// Example: 22 /// StrCat(1, StrCat(2, 3)) ==> StrCat(1, 2, 3) 23 /// 24 /// For the user-facing documentation see: 25 /// http://clang.llvm.org/extra/clang-tidy/checks/abseil-redundant-strcat-calls.html 26 class RedundantStrcatCallsCheck : public ClangTidyCheck { 27 public: RedundantStrcatCallsCheck(StringRef Name,ClangTidyContext * Context)28 RedundantStrcatCallsCheck(StringRef Name, ClangTidyContext *Context) 29 : ClangTidyCheck(Name, Context) {} isLanguageVersionSupported(const LangOptions & LangOpts)30 bool isLanguageVersionSupported(const LangOptions &LangOpts) const override { 31 return LangOpts.CPlusPlus; 32 } 33 void registerMatchers(ast_matchers::MatchFinder *Finder) override; 34 void check(const ast_matchers::MatchFinder::MatchResult &Result) override; 35 }; 36 37 } // namespace abseil 38 } // namespace tidy 39 } // namespace clang 40 41 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H 42