forked from OSchip/llvm-project
88 lines
3.2 KiB
C++
88 lines
3.2 KiB
C++
//===-- tools/extra/clang-reorder-fields/tool/ClangReorderFields.cpp -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// This file contains the implementation of clang-reorder-fields tool
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///
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//===----------------------------------------------------------------------===//
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#include "../ReorderFieldsAction.h"
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#include "clang/Basic/Diagnostic.h"
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#include "clang/Basic/DiagnosticOptions.h"
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#include "clang/Basic/FileManager.h"
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#include "clang/Basic/LangOptions.h"
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#include "clang/Basic/SourceManager.h"
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#include "clang/Frontend/TextDiagnosticPrinter.h"
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#include "clang/Rewrite/Core/Rewriter.h"
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#include "clang/Tooling/CommonOptionsParser.h"
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#include "clang/Tooling/Refactoring.h"
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#include "clang/Tooling/Tooling.h"
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#include "llvm/ADT/IntrusiveRefCntPtr.h"
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#include "llvm/Support/CommandLine.h"
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#include "llvm/Support/FileSystem.h"
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#include <cstdlib>
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#include <string>
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#include <system_error>
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using namespace llvm;
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using namespace clang;
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cl::OptionCategory ClangReorderFieldsCategory("clang-reorder-fields options");
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static cl::opt<std::string>
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RecordName("record-name", cl::Required,
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cl::desc("The name of the struct/class."),
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cl::cat(ClangReorderFieldsCategory));
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static cl::list<std::string> FieldsOrder("fields-order", cl::CommaSeparated,
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cl::OneOrMore,
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cl::desc("The desired fields order."),
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cl::cat(ClangReorderFieldsCategory));
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static cl::opt<bool> Inplace("i", cl::desc("Overwrite edited files."),
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cl::cat(ClangReorderFieldsCategory));
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const char Usage[] = "A tool to reorder fields in C/C++ structs/classes.\n";
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int main(int argc, const char **argv) {
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tooling::CommonOptionsParser OP(argc, argv, ClangReorderFieldsCategory,
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Usage);
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auto Files = OP.getSourcePathList();
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tooling::RefactoringTool Tool(OP.getCompilations(), Files);
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reorder_fields::ReorderFieldsAction Action(RecordName, FieldsOrder,
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Tool.getReplacements());
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auto Factory = tooling::newFrontendActionFactory(&Action);
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if (Inplace)
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return Tool.runAndSave(Factory.get());
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int ExitCode = Tool.run(Factory.get());
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LangOptions DefaultLangOptions;
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IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts(new DiagnosticOptions());
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TextDiagnosticPrinter DiagnosticPrinter(errs(), &*DiagOpts);
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DiagnosticsEngine Diagnostics(
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IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts,
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&DiagnosticPrinter, false);
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auto &FileMgr = Tool.getFiles();
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SourceManager Sources(Diagnostics, FileMgr);
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Rewriter Rewrite(Sources, DefaultLangOptions);
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Tool.applyAllReplacements(Rewrite);
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for (const auto &File : Files) {
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auto Entry = FileMgr.getFile(File);
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const auto ID = Sources.getOrCreateFileID(*Entry, SrcMgr::C_User);
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Rewrite.getEditBuffer(ID).write(outs());
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}
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return ExitCode;
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}
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