llvm/clang-tools-extra/clang-apply-replacements/tool/ClangApplyReplacementsMain.cpp

//===-- ClangApplyReplacementsMain.cpp - Main file for the tool -----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file provides the main function for the
/// clang-apply-replacements tool.
///
//===----------------------------------------------------------------------===//

#include "clang-apply-replacements/Tooling/ApplyReplacements.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/Version.h"
#include "clang/Format/Format.h"
#include "clang/Rewrite/Core/Rewriter.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/Support/CommandLine.h"

usingnamespacellvm;
usingnamespaceclang;
usingnamespaceclang::replace;

static cl::opt<std::string> Directory(cl::Positional, cl::Required,
                                      cl::desc("<Search Root Directory>"));

static cl::OptionCategory ReplacementCategory("Replacement Options");
static cl::OptionCategory FormattingCategory("Formatting Options");

const cl::OptionCategory *VisibleCategories[] = …;

static cl::opt<bool> RemoveTUReplacementFiles(
    "remove-change-desc-files",
    cl::desc("Remove the change description files regardless of successful\n"
             "merging/replacing."),
    cl::init(false), cl::cat(ReplacementCategory));

static cl::opt<bool> IgnoreInsertConflict(
    "ignore-insert-conflict",
    cl::desc("Ignore insert conflict and keep running to fix."),
    cl::init(false), cl::cat(ReplacementCategory));

static cl::opt<bool> DoFormat(
    "format",
    cl::desc("Enable formatting of code changed by applying replacements.\n"
             "Use -style to choose formatting style.\n"),
    cl::cat(FormattingCategory));

// FIXME: Consider making the default behaviour for finding a style
// configuration file to start the search anew for every file being changed to
// handle situations where the style is different for different parts of a
// project.

static cl::opt<std::string> FormatStyleConfig(
    "style-config",
    cl::desc("Path to a directory containing a .clang-format file\n"
             "describing a formatting style to use for formatting\n"
             "code when -style=file.\n"),
    cl::init(""), cl::cat(FormattingCategory));

static cl::opt<std::string>
    FormatStyleOpt("style", cl::desc(format::StyleOptionHelpDescription),
                   cl::init("LLVM"), cl::cat(FormattingCategory));

namespace {
// Helper object to remove the TUReplacement and TUDiagnostic (triggered by
// "remove-change-desc-files" command line option) when exiting current scope.
class ScopedFileRemover { … };
} // namespace

static void printVersion(raw_ostream &OS) { … }

int main(int argc, char **argv) { … }