forked from OSchip/llvm-project
63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
//===-- Core/Reformatting.cpp - LibFormat integration ---------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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///
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/// \file
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/// \brief This file provides the LibFormat integration used to reformat
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/// migrated code.
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///
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//===----------------------------------------------------------------------===//
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#include "Core/Reformatting.h"
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#include "Core/FileOverrides.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/SourceManager.h"
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#include "clang/Lex/Lexer.h"
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using namespace clang;
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void Reformatter::reformatChanges(const FileOverrides &FileStates,
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clang::SourceManager &SM,
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clang::tooling::ReplacementsVec &Replaces) {
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FileStates.applyOverrides(SM);
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for (FileOverrides::ChangeMap::const_iterator
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I = FileStates.getChangedRanges().begin(),
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E = FileStates.getChangedRanges().end();
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I != E; ++I) {
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reformatSingleFile(I->getKey(), I->getValue(), SM, Replaces);
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}
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}
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void Reformatter::reformatSingleFile(
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const llvm::StringRef FileName, const ChangedRanges &Changes,
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SourceManager &SM, clang::tooling::ReplacementsVec &FormatReplacements) {
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const clang::FileEntry *Entry = SM.getFileManager().getFile(FileName);
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assert(Entry && "expected an existing file");
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FileID ID = SM.translateFile(Entry);
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if (ID.isInvalid())
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ID = SM.createFileID(Entry, SourceLocation(), clang::SrcMgr::C_User);
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std::vector<CharSourceRange> ReformatRanges;
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SourceLocation StartOfFile = SM.getLocForStartOfFile(ID);
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for (ChangedRanges::const_iterator I = Changes.begin(), E = Changes.end();
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I != E; ++I) {
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SourceLocation Start = StartOfFile.getLocWithOffset(I->getOffset());
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SourceLocation End = Start.getLocWithOffset(I->getLength());
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ReformatRanges.push_back(CharSourceRange::getCharRange(Start, End));
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}
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Lexer Lex(ID, SM.getBuffer(ID), SM, getFormattingLangOpts(Style.Standard));
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const tooling::Replacements &R =
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format::reformat(Style, Lex, SM, ReformatRanges);
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std::copy(R.begin(), R.end(), std::back_inserter(FormatReplacements));
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}
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