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//===--- UseStdNumbersCheck.h - clang-tidy ----------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTDNUMBERSCHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTDNUMBERSCHECK_H
#include "../ClangTidyCheck.h"
#include "../utils/IncludeInserter.h"
namespace clang::tidy::modernize {
/// Finds constants and function calls to math functions that can be replaced
/// with c++20's mathematical constants from the ``numbers`` header and
/// offers fix-it hints.
/// Does not match the use of variables with that value, and instead,
/// offers a replacement at the definition of those variables.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/modernize/use-std-numbers.html
class UseStdNumbersCheck : public ClangTidyCheck {
public:
UseStdNumbersCheck(StringRef Name, ClangTidyContext *Context);
bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
return LangOpts.CPlusPlus20;
}
void registerMatchers(ast_matchers::MatchFinder *Finder) override;
void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
Preprocessor *ModuleExpanderPP) override;
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
std::optional<TraversalKind> getCheckTraversalKind() const override {
return TK_IgnoreUnlessSpelledInSource;
}
private:
utils::IncludeInserter IncludeInserter;
StringRef DiffThresholdString;
double DiffThreshold;
};
} // namespace clang::tidy::modernize
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MODERNIZE_USESTDNUMBERSCHECK_H
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