clang-tidy/abseil/TimeSubtractionCheck.h

0001 //===--- TimeSubtractionCheck.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_TIMESUBTRACTIONCHECK_H
0010 #define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_TIMESUBTRACTIONCHECK_H
0011
0012 #include "../ClangTidyCheck.h"
0013
0014 namespace clang::tidy::abseil {
0015
0016 /// Finds and fixes `absl::Time` subtraction expressions to do subtraction
0017 /// in the time domain instead of the numeric domain.
0018 ///
0019 /// For the user-facing documentation see:
0020 /// http://clang.llvm.org/extra/clang-tidy/checks/abseil/time-subtraction.html
0021 class TimeSubtractionCheck : public ClangTidyCheck {
0022 public:
0023   TimeSubtractionCheck(StringRef Name, ClangTidyContext *Context)
0024       : ClangTidyCheck(Name, Context) {}
0025   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
0026   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
0027
0028 private:
0029   void emitDiagnostic(const Expr* Node, llvm::StringRef Replacement);
0030 };
0031
0032 } // namespace clang::tidy::abseil
0033
0034 #endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_ABSEIL_TIMESUBTRACTIONCHECK_H