clang-tidy/modernize/ModernizeTidyModule.cpp

//===--- ModernizeTidyModule.cpp - clang-tidy -----------------------------===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "../ClangTidy.h"
#include "../ClangTidyModule.h"
#include "../ClangTidyModuleRegistry.h"
#include "LoopConvertCheck.h"
#include "MakeUniqueCheck.h"
#include "PassByValueCheck.h"
#include "RedundantVoidArgCheck.h"
#include "ReplaceAutoPtrCheck.h"
#include "ShrinkToFitCheck.h"
#include "UseAutoCheck.h"
#include "UseDefaultCheck.h"
#include "UseNullptrCheck.h"
#include "UseOverrideCheck.h"

using namespace clang::ast_matchers;

namespace clang {
namespace tidy {
namespace modernize {

class ModernizeModule : public ClangTidyModule {
public:
  void addCheckFactories(ClangTidyCheckFactories &CheckFactories) override {
    CheckFactories.registerCheck<LoopConvertCheck>("modernize-loop-convert");
    CheckFactories.registerCheck<MakeUniqueCheck>("modernize-make-unique");
    CheckFactories.registerCheck<PassByValueCheck>("modernize-pass-by-value");
    CheckFactories.registerCheck<RedundantVoidArgCheck>(
        "modernize-redundant-void-arg");
    CheckFactories.registerCheck<ReplaceAutoPtrCheck>(
        "modernize-replace-auto-ptr");
    CheckFactories.registerCheck<ShrinkToFitCheck>("modernize-shrink-to-fit");
    CheckFactories.registerCheck<UseAutoCheck>("modernize-use-auto");
    CheckFactories.registerCheck<UseDefaultCheck>("modernize-use-default");
    CheckFactories.registerCheck<UseNullptrCheck>("modernize-use-nullptr");
    CheckFactories.registerCheck<UseOverrideCheck>("modernize-use-override");
  }

  ClangTidyOptions getModuleOptions() override {
    ClangTidyOptions Options;
    auto &Opts = Options.CheckOptions;
    // For types whose size in bytes is above this threshold, we prefer taking a
    // const-reference than making a copy.
    Opts["modernize-loop-convert.MaxCopySize"] = "16";

    Opts["modernize-loop-convert.MinConfidence"] = "reasonable";
    Opts["modernize-loop-convert.NamingStyle"] = "CamelCase";
    Opts["modernize-pass-by-value.IncludeStyle"] = "llvm";    // Also: "google".
    Opts["modernize-replace-auto-ptr.IncludeStyle"] = "llvm"; // Also: "google".

    // Comma-separated list of macros that behave like NULL.
    Opts["modernize-use-nullptr.NullMacros"] = "NULL";
    return Options;
  }
};

// Register the ModernizeTidyModule using this statically initialized variable.
static ClangTidyModuleRegistry::Add<ModernizeModule> X("modernize-module",
                                                       "Add modernize checks.");

} // namespace modernize

// This anchor is used to force the linker to link in the generated object file
// and thus register the ModernizeModule.
volatile int ModernizeModuleAnchorSource = 0;

} // namespace tidy
} // namespace clang