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//===--- MacroUsageCheck.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_CPPCOREGUIDELINES_MACROUSAGECHECK_H
#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MACROUSAGECHECK_H
#include "../ClangTidy.h"
#include "clang/Lex/Preprocessor.h"
#include <string>
namespace clang {
namespace tidy {
namespace cppcoreguidelines {
/// Find macro usage that is considered problematic because better language
/// constructs exist for the task.
///
/// For the user-facing documentation see:
/// http://clang.llvm.org/extra/clang-tidy/checks/cppcoreguidelines-macro-usage.html
class MacroUsageCheck : public ClangTidyCheck {
public:
MacroUsageCheck(StringRef Name, ClangTidyContext *Context)
: ClangTidyCheck(Name, Context),
AllowedRegexp(Options.get("AllowedRegexp", "^DEBUG_*")),
CheckCapsOnly(Options.get("CheckCapsOnly", 0)),
IgnoreCommandLineMacros(Options.get("IgnoreCommandLineMacros", 1)) {}
void storeOptions(ClangTidyOptions::OptionMap &Opts) override;
void registerPPCallbacks(const SourceManager &SM, Preprocessor *PP,
Preprocessor *ModuleExpanderPP) override;
void warnMacro(const MacroDirective *MD, StringRef MacroName);
void warnNaming(const MacroDirective *MD, StringRef MacroName);
private:
/// A regular expression that defines how allowed macros must look like.
std::string AllowedRegexp;
/// Control if only the check shall only test on CAPS_ONLY macros.
bool CheckCapsOnly;
/// Should the macros without a valid location be diagnosed?
bool IgnoreCommandLineMacros;
};
} // namespace cppcoreguidelines
} // namespace tidy
} // namespace clang
#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_CPPCOREGUIDELINES_MACROUSAGECHECK_H
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