clang-tidy/abseil/RedundantStrcatCallsCheck.h

0001 //===--- RedundantStrcatCallsCheck.h - clang-tidy----------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::abseil {
0015
0016 /// Flags redundant calls to absl::StrCat when the result is being passed to
0017 /// another call of absl::StrCat/absl::StrAppend. Also suggests a fix to
0018 /// collapse the calls.
0019 /// Example:
0020 ///   StrCat(1, StrCat(2, 3))  ==>  StrCat(1, 2, 3)
0021 ///
0022 /// For the user-facing documentation see:
0023 /// http://clang.llvm.org/extra/clang-tidy/checks/abseil/redundant-strcat-calls.html
0024 class RedundantStrcatCallsCheck : public ClangTidyCheck {
0025 public:
0026   RedundantStrcatCallsCheck(StringRef Name, ClangTidyContext *Context)
0027       : ClangTidyCheck(Name, Context) {}
0028   bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
0029     return LangOpts.CPlusPlus;
0030   }
0031   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0032   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0033 };
0034
0035 } // namespace clang::tidy::abseil
0036
0037 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_REDUNDANTSTRCATCALLSCHECK_H