[clang-tools-extra] r189689 - cpp11-migrate: Refactor for driver model of operation

Michael Gottesman mgottesman at apple.com
Fri Aug 30 15:15:29 PDT 2013


Reverted this and the followup commit (r189691) in r189700.

On Aug 30, 2013, at 2:22 PM, Michael Gottesman <mgottesman at apple.com> wrote:

> Hey Edwin!
> 
> I think this broke builtbots:
> 
> Phased Builder (blame list):
> http://lab.llvm.org:8013/builders/phase1%20-%20sanity/builds/11001
> 
> Child Builder:
> http://lab.llvm.org:8013/builders/clang-x86_64-darwin11-nobootstrap-RAincremental/builds/6550
> 
> Can you fix/revert.
> 
> Thanks,
> Michael
> 
> On Aug 30, 2013, at 12:29 PM, Edwin Vane <edwin.vane at intel.com> wrote:
> 
>> Author: revane
>> Date: Fri Aug 30 14:28:59 2013
>> New Revision: 189689
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=189689&view=rev
>> Log:
>> cpp11-migrate: Refactor for driver model of operation
>> 
>> Massive simplification of how replacements and file overrides are handled by
>> the migrator:
>> * Sources and headers are all treated the same.
>> * All replacements for a given translation unit are stored in the same
>> TranslationUnitReplacements structure.
>> * Change tracking is updated only from main file; no need for
>> propagating "is tracking" flag around.
>> * Transform base class no longer responsible for applying replacements.
>> They are simply stored and main() looks after deduplication and
>> application.
>> * Renamed -yaml-only to -serialize-replacements. Same restrictions apply:
>> Can only request one transform. New restriction: formatting cannot also
>> be turned on since it's basically a transform.
>> * If -serialize-replacements is requested, changes to files will not be
>> applied on disk.
>> * Changed behaviour of function generating names for serialized
>> replacements: Only the main source file goes into the name of the file
>> since a file may contain changes for multiple different files.
>> * Updated HeaderReplacements LIT test for new serialization behaviour.
>> * Replaced old test that ensures replacements are not serialized if
>>   -serialize-replacements is not provided. New version ensures changes
>>   are made directly to all files in the translation unit.
>> * Updated unit tests.
>> * Due to major simplification of structures in FileOverrides.h, the
>>   FileOverridesTest is quite a bit simpler now.
>> 
>> Differential Revision: http://llvm-reviews.chandlerc.com/D1545
>> 
>> Added:
>>   clang-tools-extra/trunk/cpp11-migrate/Core/Refactoring.h
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/Inputs/
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/Inputs/no_yaml.h
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common_expected.yaml
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main_expected.yaml
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/no_yaml.cpp
>> Removed:
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common.h.yaml
>> Modified:
>>   clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.h
>>   clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.h
>>   clang-tools-extra/trunk/cpp11-migrate/CMakeLists.txt
>>   clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.h
>>   clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.h
>>   clang-tools-extra/trunk/cpp11-migrate/Core/SyntaxCheck.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/Core/Transform.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/Core/Transform.h
>>   clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.h
>>   clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.h
>>   clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.h
>>   clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.h
>>   clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.h
>>   clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.h
>>   clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.h
>>   clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.h
>>   clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.h
>>   clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.cpp
>>   clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.h
>>   clang-tools-extra/trunk/cpp11-migrate/tool/CMakeLists.txt
>>   clang-tools-extra/trunk/cpp11-migrate/tool/Cpp11Migrate.cpp
>>   clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main.cpp
>>   clang-tools-extra/trunk/unittests/cpp11-migrate/CMakeLists.txt
>>   clang-tools-extra/trunk/unittests/cpp11-migrate/FileOverridesTest.cpp
>>   clang-tools-extra/trunk/unittests/cpp11-migrate/PerfSupportTest.cpp
>>   clang-tools-extra/trunk/unittests/cpp11-migrate/ReformattingTest.cpp
>>   clang-tools-extra/trunk/unittests/cpp11-migrate/TransformTest.cpp
>>   clang-tools-extra/trunk/unittests/cpp11-migrate/UniqueHeaderNameTest.cpp
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.cpp Fri Aug 30 14:28:59 2013
>> @@ -29,13 +29,13 @@ static cl::opt<bool> DetectMacros(
>>    cl::desc("Detect and use macros that expand to the 'override' keyword."),
>>    cl::cat(TransformsOptionsCategory));
>> 
>> -int AddOverrideTransform::apply(FileOverrides &InputStates,
>> +int AddOverrideTransform::apply(const FileOverrides &InputStates,
>>                                const CompilationDatabase &Database,
>>                                const std::vector<std::string> &SourcePaths) {
>>  ClangTool AddOverrideTool(Database, SourcePaths);
>>  unsigned AcceptedChanges = 0;
>>  MatchFinder Finder;
>> -  AddOverrideFixer Fixer(getReplacements(), AcceptedChanges, DetectMacros,
>> +  AddOverrideFixer Fixer(AcceptedChanges, DetectMacros,
>>                         /*Owner=*/ *this);
>>  Finder.addMatcher(makeCandidateForOverrideAttrMatcher(), &Fixer);
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverride.h Fri Aug 30 14:28:59 2013
>> @@ -31,7 +31,7 @@ public:
>>      : Transform("AddOverride", Options) {}
>> 
>>  /// \see Transform::run().
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) LLVM_OVERRIDE;
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.cpp Fri Aug 30 14:28:59 2013
>> @@ -95,6 +95,7 @@ void AddOverrideFixer::run(const MatchFi
>>    if (!MacroName.empty())
>>      ReplacementText = (" " + MacroName).str();
>>  }
>> -  Replace.insert(tooling::Replacement(SM, StartLoc, 0, ReplacementText));
>> +  Owner.addReplacementForCurrentTU(
>> +      tooling::Replacement(SM, StartLoc, 0, ReplacementText));
>>  ++AcceptedChanges;
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/AddOverride/AddOverrideActions.h Fri Aug 30 14:28:59 2013
>> @@ -25,11 +25,10 @@ class Transform;
>> ///
>> class AddOverrideFixer : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  AddOverrideFixer(clang::tooling::Replacements &Replace,
>> -                   unsigned &AcceptedChanges, bool DetectMacros,
>> -                   const Transform &Owner)
>> -      : Replace(Replace), AcceptedChanges(AcceptedChanges),
>> -        DetectMacros(DetectMacros), Owner(Owner) {}
>> +  AddOverrideFixer(unsigned &AcceptedChanges, bool DetectMacros,
>> +                   Transform &Owner)
>> +      : AcceptedChanges(AcceptedChanges), DetectMacros(DetectMacros),
>> +        Owner(Owner) {}
>> 
>>  /// \brief Entry point to the callback called when matches are made.
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result);
>> @@ -38,10 +37,9 @@ public:
>> 
>> private:
>>  clang::Preprocessor *PP;
>> -  clang::tooling::Replacements &Replace;
>>  unsigned &AcceptedChanges;
>>  bool DetectMacros;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> };
>> 
>> #endif // CPP11_MIGRATE_ADD_OVERRIDE_ACTIONS_H
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/CMakeLists.txt
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/CMakeLists.txt?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/CMakeLists.txt (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/CMakeLists.txt Fri Aug 30 14:28:59 2013
>> @@ -1,4 +1,10 @@
>> -include_directories(${CMAKE_CURRENT_SOURCE_DIR})
>> +get_filename_component(ClangReplaceLocation
>> +  "${CMAKE_CURRENT_SOURCE_DIR}/../clang-replace/include" ABSOLUTE)
>> +
>> +include_directories(
>> +  ${CMAKE_CURRENT_SOURCE_DIR}
>> +  ${ClangReplaceLocation}
>> +  )
>> 
>> add_subdirectory(tool)
>> add_subdirectory(Core)
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.cpp Fri Aug 30 14:28:59 2013
>> @@ -29,157 +29,14 @@
>> using namespace clang;
>> using namespace clang::tooling;
>> 
>> -void HeaderOverride::recordReplacements(
>> -    const clang::tooling::Replacements &Replaces) {
>> -  Replacements.Replacements.resize(Replaces.size());
>> -  std::copy(Replaces.begin(), Replaces.end(),
>> -            Replacements.Replacements.begin());
>> -}
>> -
>> -SourceOverrides::SourceOverrides(llvm::StringRef MainFileName,
>> -                                 bool TrackChanges)
>> -    : MainFileName(MainFileName), TrackChanges(TrackChanges) {}
>> -
>> -void
>> -SourceOverrides::applyReplacements(clang::tooling::Replacements &Replaces) {
>> -  llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> DiagOpts(
>> -      new DiagnosticOptions());
>> -  DiagnosticsEngine Diagnostics(
>> -      llvm::IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()),
>> -      DiagOpts.getPtr());
>> -  FileManager Files((FileSystemOptions()));
>> -  SourceManager SM(Diagnostics, Files);
>> -  applyReplacements(Replaces, SM);
>> -}
>> -
>> -void SourceOverrides::applyReplacements(clang::tooling::Replacements &Replaces,
>> -                                        clang::SourceManager &SM) {
>> -  applyOverrides(SM);
>> -
>> -  Rewriter Rewrites(SM, LangOptions());
>> -
>> -  // FIXME: applyAllReplacements will indicate if it couldn't apply all
>> -  // replacements. Handle that case.
>> -  bool Success = tooling::applyAllReplacements(Replaces, Rewrites);
>> -
>> -  if (!Success)
>> -    llvm::errs() << "error: failed to apply some replacements.";
>> -
>> -  std::string ResultBuf;
>> -
>> -  for (Rewriter::buffer_iterator I = Rewrites.buffer_begin(),
>> -                                 E = Rewrites.buffer_end();
>> -       I != E; ++I) {
>> -    const FileEntry *Entry =
>> -        Rewrites.getSourceMgr().getFileEntryForID(I->first);
>> -    assert(Entry != NULL && "unexpected null FileEntry");
>> -    assert(Entry->getName() != NULL &&
>> -           "unexpected null return from FileEntry::getName()");
>> -    llvm::StringRef FileName = Entry->getName();
>> -
>> -    // Get a copy of the rewritten buffer from the Rewriter.
>> -    ResultBuf.clear();
>> -    llvm::raw_string_ostream StringStream(ResultBuf);
>> -    I->second.write(StringStream);
>> -    StringStream.flush();
>> -
>> -    if (MainFileName == FileName) {
>> -      MainFileOverride.swap(ResultBuf);
>> -      continue;
>> -    }
>> -
>> -    // Header overrides are treated differently. Eventually, raw replacements
>> -    // will be stored as well for later output to disk. Applying replacements
>> -    // in memory will always be necessary as the source goes down the transform
>> -    // pipeline.
>> -    HeaderOverride &HeaderOv = Headers[FileName];
>> -    // "Create" HeaderOverride if not already existing
>> -    if (HeaderOv.getHeaderPath().empty())
>> -      HeaderOv = HeaderOverride(FileName, MainFileName);
>> -
>> -    HeaderOv.swapContentOverride(ResultBuf);
>> -  }
>> -
>> -  // Separate replacements to header files
>> -  Replacements MainFileReplaces;
>> -  ReplacementsMap HeadersReplaces;
>> -  for (Replacements::const_iterator I = Replaces.begin(), E = Replaces.end();
>> -      I != E; ++I) {
>> -    llvm::StringRef ReplacementFileName = I->getFilePath();
>> -
>> -    if (ReplacementFileName == MainFileName) {
>> -      MainFileReplaces.insert(*I);
>> -      continue;
>> -    }
>> -
>> -    HeadersReplaces[ReplacementFileName].insert(*I);
>> -  }
>> -
>> -  // Record all replacements to headers.
>> -  for (ReplacementsMap::const_iterator I = HeadersReplaces.begin(),
>> -                                       E = HeadersReplaces.end();
>> -       I != E; ++I) {
>> -    HeaderOverride &HeaderOv = Headers[I->getKey()];
>> -    HeaderOv.recordReplacements(I->getValue());
>> -  }
>> -
>> -  if (TrackChanges)
>> -    adjustChangedRanges(MainFileReplaces, HeadersReplaces);
>> -}
>> -
>> -void
>> -SourceOverrides::adjustChangedRanges(const Replacements &MainFileReplaces,
>> -                                     const ReplacementsMap &HeadersReplaces) {
>> -  // Adjust the changed ranges for each individual file
>> -  MainFileChanges.adjustChangedRanges(MainFileReplaces);
>> -  for (ReplacementsMap::const_iterator I = HeadersReplaces.begin(),
>> -                                       E = HeadersReplaces.end();
>> -       I != E; ++I) {
>> -    Headers[I->getKey()].adjustChangedRanges(I->getValue());
>> -  }
>> -}
>> -
>> -void SourceOverrides::applyOverrides(SourceManager &SM) const {
>> -  FileManager &FM = SM.getFileManager();
>> -
>> -  if (isSourceOverriden())
>> -    SM.overrideFileContents(FM.getFile(MainFileName),
>> -                            llvm::MemoryBuffer::getMemBuffer(MainFileOverride));
>> -
>> -  for (HeaderOverrides::const_iterator I = Headers.begin(), E = Headers.end();
>> -       I != E; ++I) {
>> -    assert(!I->second.getContentOverride().empty() &&
>> -           "Header override should not be empty!");
>> -    SM.overrideFileContents(
>> -        FM.getFile(I->second.getHeaderPath()),
>> -        llvm::MemoryBuffer::getMemBuffer(I->second.getContentOverride()));
>> -  }
>> -}
>> -
>> -bool generateReplacementsFileName(llvm::StringRef SourceFile,
>> -                                    llvm::StringRef HeaderFile,
>> -                                    llvm::SmallVectorImpl<char> &Result,
>> -                                    llvm::SmallVectorImpl<char> &Error) {
>> +bool generateReplacementsFileName(const llvm::StringRef MainSourceFile,
>> +                                  llvm::SmallVectorImpl<char> &Result,
>> +                                  llvm::SmallVectorImpl<char> &Error) {
>>  using namespace llvm::sys;
>> -  std::string UniqueHeaderNameModel;
>> -
>> -  // Get the filename portion of the path.
>> -  llvm::StringRef SourceFileRef(path::filename(SourceFile));
>> -  llvm::StringRef HeaderFileRef(path::filename(HeaderFile));
>> -
>> -  // Get the actual path for the header file.
>> -  llvm::SmallString<128> HeaderPath(HeaderFile);
>> -  path::remove_filename(HeaderPath);
>> -
>> -  // Build the model of the filename.
>> -  llvm::raw_string_ostream UniqueHeaderNameStream(UniqueHeaderNameModel);
>> -  UniqueHeaderNameStream << SourceFileRef << "_" << HeaderFileRef
>> -                         << "_%%_%%_%%_%%_%%_%%" << ".yaml";
>> -  path::append(HeaderPath, UniqueHeaderNameStream.str());
>> 
>>  Error.clear();
>> -  if (llvm::error_code EC =
>> -          fs::createUniqueFile(HeaderPath.c_str(), Result)) {
>> +  if (llvm::error_code EC = fs::createUniqueFile(
>> +          MainSourceFile + "_%%_%%_%%_%%_%%_%%.yaml", Result)) {
>>    Error.append(EC.message().begin(), EC.message().end());
>>    return false;
>>  }
>> @@ -187,20 +44,6 @@ bool generateReplacementsFileName(llvm::
>>  return true;
>> }
>> 
>> -FileOverrides::~FileOverrides() {
>> -  for (SourceOverridesMap::iterator I = Overrides.begin(), E = Overrides.end();
>> -       I != E; ++I)
>> -    delete I->getValue();
>> -}
>> -
>> -SourceOverrides &FileOverrides::getOrCreate(llvm::StringRef Filename) {
>> -  SourceOverrides *&Override = Overrides[Filename];
>> -
>> -  if (Override == NULL)
>> -    Override = new SourceOverrides(Filename, TrackChanges);
>> -  return *Override;
>> -}
>> -
>> namespace {
>> 
>> /// \brief Comparator to be able to order tooling::Range based on their offset.
>> @@ -247,10 +90,11 @@ struct RangeReplacedAdjuster {
>> 
>> } // end anonymous namespace
>> 
>> -void ChangedRanges::adjustChangedRanges(const tooling::Replacements &Replaces) {
>> +void
>> +ChangedRanges::adjustChangedRanges(const tooling::ReplacementsVec &Replaces) {
>>  // first adjust existing ranges in case they overlap with the replacements
>> -  for (Replacements::iterator I = Replaces.begin(), E = Replaces.end(); I != E;
>> -       ++I) {
>> +  for (ReplacementsVec::const_iterator I = Replaces.begin(), E = Replaces.end();
>> +       I != E; ++I) {
>>    const tooling::Replacement &Replace = *I;
>> 
>>    std::transform(Ranges.begin(), Ranges.end(), Ranges.begin(),
>> @@ -265,8 +109,8 @@ void ChangedRanges::adjustChangedRanges(
>>  }
>> 
>>  // then generate the new ranges from the replacements
>> -  for (Replacements::iterator I = Replaces.begin(), E = Replaces.end(); I != E;
>> -       ++I) {
>> +  for (ReplacementsVec::const_iterator I = Replaces.begin(), E = Replaces.end();
>> +       I != E; ++I) {
>>    const tooling::Replacement &R = *I;
>>    unsigned Offset = tooling::shiftedCodePosition(Replaces, R.getOffset());
>>    unsigned Length = R.getReplacementText().size();
>> @@ -303,3 +147,52 @@ void ChangedRanges::coalesceRanges() {
>>                           std::mem_fun_ref(&Range::contains)),
>>               Ranges.end());
>> }
>> +
>> +void FileOverrides::applyOverrides(clang::SourceManager &SM) const {
>> +  FileManager &FM = SM.getFileManager();
>> +
>> +  for (FileStateMap::const_iterator I = FileStates.begin(),
>> +                                    E = FileStates.end();
>> +       I != E; ++I) {
>> +    SM.overrideFileContents(FM.getFile(I->getKey()),
>> +                            llvm::MemoryBuffer::getMemBuffer(I->getValue()));
>> +  }
>> +}
>> +
>> +void FileOverrides::adjustChangedRanges(
>> +    const clang::replace::FileToReplacementsMap &Replaces) {
>> +
>> +  for (replace::FileToReplacementsMap::const_iterator I = Replaces.begin(),
>> +       E = Replaces.end(); I != E; ++I) {
>> +    ChangeTracking[I->getKey()].adjustChangedRanges(I->getValue());
>> +  }
>> +}
>> +
>> +void FileOverrides::updateState(const clang::Rewriter &Rewrites) {
>> +  for (Rewriter::const_buffer_iterator BufferI = Rewrites.buffer_begin(),
>> +                                       BufferE = Rewrites.buffer_end();
>> +       BufferI != BufferE; ++BufferI) {
>> +    const char *FileName =
>> +        Rewrites.getSourceMgr().getFileEntryForID(BufferI->first)->getName();
>> +    const RewriteBuffer &RewriteBuf = BufferI->second;
>> +    FileStates[FileName].assign(RewriteBuf.begin(), RewriteBuf.end());
>> +  }
>> +}
>> +
>> +bool FileOverrides::writeToDisk(DiagnosticsEngine &Diagnostics) const {
>> +  bool Errors = false;
>> +  for (FileStateMap::const_iterator I = FileStates.begin(),
>> +                                    E = FileStates.end();
>> +       I != E; ++I) {
>> +    std::string ErrorInfo;
>> +    // The extra transform through std::string is to ensure null-termination
>> +    // of the filename stored as the key of the StringMap.
>> +    llvm::raw_fd_ostream FileStream(I->getKey().str().c_str(), ErrorInfo);
>> +    if (!ErrorInfo.empty()) {
>> +      llvm::errs() << "Failed to write new state for " << I->getKey() << ".\n";
>> +      Errors = true;
>> +    }
>> +    FileStream << I->getValue();
>> +  }
>> +  return !Errors;
>> +}
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/FileOverrides.h Fri Aug 30 14:28:59 2013
>> @@ -16,7 +16,8 @@
>> #ifndef CPP11_MIGRATE_FILE_OVERRIDES_H
>> #define CPP11_MIGRATE_FILE_OVERRIDES_H
>> 
>> -#include "clang/Tooling/Refactoring.h"
>> +#include "Core/Refactoring.h"
>> +#include "clang-replace/Tooling/ApplyReplacements.h"
>> #include "clang/Tooling/ReplacementsYaml.h"
>> #include "llvm/ADT/StringMap.h"
>> 
>> @@ -44,13 +45,13 @@ public:
>>  /// to remove replaced parts.
>>  ///
>>  /// Note that all replacements should come from the same file.
>> -  void adjustChangedRanges(const clang::tooling::Replacements &Replaces);
>> +  void adjustChangedRanges(const clang::tooling::ReplacementsVec &Replaces);
>> 
>>  /// \brief Iterators.
>> -  /// @{
>> +  /// \{
>>  const_iterator begin() const { return Ranges.begin(); }
>>  const_iterator end() const { return Ranges.end(); }
>> -  /// @}
>> +  /// \}
>> 
>> private:
>>  void coalesceRanges();
>> @@ -58,178 +59,71 @@ private:
>>  RangeVec Ranges;
>> };
>> 
>> -/// \brief Container for storing override information for a single headers.
>> -class HeaderOverride {
>> -public:
>> -  /// \brief Constructors.
>> -  /// @{
>> -  HeaderOverride() {}
>> -  HeaderOverride(llvm::StringRef HeaderPath,
>> -                 llvm::StringRef MainSourceFile) : HeaderPath(HeaderPath) {
>> -    Replacements.MainSourceFile = MainSourceFile;
>> -  }
>> -  /// @}
>> -
>> -  /// \brief Getter for HeaderPath.
>> -  llvm::StringRef getHeaderPath() const {
>> -    return HeaderPath;
>> -  }
>> -
>> -  /// \brief Accessor for ContentOverride.
>> -  /// @{
>> -  llvm::StringRef getContentOverride() const { return ContentOverride; }
>> -  void setContentOverride(const llvm::StringRef S) { ContentOverride = S; }
>> -  /// @}
>> -
>> -  /// \brief Getter for Changes.
>> -  const ChangedRanges &getChanges() const { return Changes; }
>> -
>> -  /// \brief Swaps the content of ContentOverride with \p S.
>> -  void swapContentOverride(std::string &S) { ContentOverride.swap(S); }
>> -
>> -  /// \brief Getter for Replacements.
>> -  const clang::tooling::TranslationUnitReplacements &getReplacements() const {
>> -    return Replacements;
>> -  }
>> -
>> -  /// \brief Stores the replacements made by a transform to the header this
>> -  /// object represents.
>> -  void recordReplacements(const clang::tooling::Replacements &Replaces);
>> -
>> -  /// \brief Helper function to adjust the changed ranges.
>> -  void adjustChangedRanges(const clang::tooling::Replacements &Replaces) {
>> -    Changes.adjustChangedRanges(Replaces);
>> -  }
>> -
>> -private:
>> -  std::string ContentOverride;
>> -  ChangedRanges Changes;
>> -  std::string HeaderPath;
>> -  clang::tooling::TranslationUnitReplacements Replacements;
>> -};
>> -
>> -/// \brief Container mapping header file names to override information.
>> -typedef llvm::StringMap<HeaderOverride> HeaderOverrides;
>> -
>> -/// \brief Container storing the file content overrides for a source file and
>> -/// any headers included by the source file either directly or indirectly to
>> -/// which changes have been made.
>> -class SourceOverrides {
>> +/// \brief Maintains current state of transformed files and tracks source ranges
>> +/// where changes have been made.
>> +class FileOverrides {
>> public:
>> -  SourceOverrides(llvm::StringRef MainFileName, bool TrackChanges);
>> -
>> -  /// \brief Accessors.
>> -  /// @{
>> -  llvm::StringRef getMainFileName() const { return MainFileName; }
>> -  llvm::StringRef getMainFileContent() const { return MainFileOverride; }
>> -  const ChangedRanges &getChangedRanges() const { return MainFileChanges; }
>> +  /// \brief Maps file names to file contents.
>> +  typedef llvm::StringMap<std::string> FileStateMap;
>> 
>> -  /// \brief Is file change tracking enabled?
>> -  ///
>> -  /// Tracking file changes can be useful to reformat the code for example.
>> -  bool isTrackingFileChanges() const { return TrackChanges; }
>> -  /// @}
>> +  /// \brief Maps file names to change tracking info for a file.
>> +  typedef llvm::StringMap<ChangedRanges> ChangeMap;
>> 
>> -  /// \brief Indicates if the source file has been overridden.
>> -  ///
>> -  /// It's possible for a source to remain unchanged while only headers are
>> -  /// changed.
>> -  bool isSourceOverriden() const { return !MainFileOverride.empty(); }
>> 
>> -  /// \brief Override the file contents by applying all the replacements.
>> -  ///
>> -  /// \param Replaces The replacements to apply.
>> -  /// \param SM A user provided SourceManager to be used when applying rewrites.
>> -  void applyReplacements(clang::tooling::Replacements &Replaces,
>> -                         clang::SourceManager &SM);
>> -  void applyReplacements(clang::tooling::Replacements &Replaces);
>> -
>> -  /// \brief Convenience function for applying this source's overrides to
>> -  /// the given SourceManager.
>> +  /// \brief Override file contents seen by \c SM for all files stored by this
>> +  /// object.
>>  void applyOverrides(clang::SourceManager &SM) const;
>> 
>> -  /// \brief Iterators.
>> -  /// @{
>> -  HeaderOverrides::iterator headers_begin() { return Headers.begin(); }
>> -  HeaderOverrides::iterator headers_end() { return Headers.end(); }
>> -  HeaderOverrides::const_iterator headers_begin() const {
>> -    return Headers.begin();
>> +  /// \brief Update change tracking information based on replacements stored in
>> +  /// \c Replaces.
>> +  void
>> +  adjustChangedRanges(const clang::replace::FileToReplacementsMap &Replaces);
>> +
>> +  /// \brief Accessor for change tracking information.
>> +  const ChangeMap &getChangedRanges() const {
>> +    return ChangeTracking;
>>  }
>> -  HeaderOverrides::const_iterator headers_end() const { return Headers.end(); }
>> -  /// @}
>> -
>> -private:
>> -  typedef llvm::StringMap<clang::tooling::Replacements> ReplacementsMap;
>> -
>> -  /// \brief Flatten the Rewriter buffers of \p Rewrite and store results as
>> -  /// file content overrides.
>> -  void applyRewrites(clang::Rewriter &Rewrite);
>> -
>> -  /// \brief Adjust the changed ranges to reflect the parts of the files that
>> -  /// have been replaced.
>> -  void adjustChangedRanges(const clang::tooling::Replacements &Replaces,
>> -                           const ReplacementsMap &HeadersReplaces);
>> -
>> -  const std::string MainFileName;
>> -  std::string MainFileOverride;
>> -  const bool TrackChanges;
>> -  ChangedRanges MainFileChanges;
>> -  HeaderOverrides Headers;
>> -};
>> -
>> -/// \brief Maps source file names to content override information.
>> -class FileOverrides {
>> -public:
>> -  typedef llvm::StringMap<SourceOverrides *> SourceOverridesMap;
>> -  typedef SourceOverridesMap::const_iterator const_iterator;
>> 
>> -  /// \brief Construct the SourceOverrides manager.
>> +  /// \brief Coalesce changes stored in \c Rewrites and replace file contents 
>> +  /// overrides stored in this object.
>>  ///
>> -  /// \param TrackChanges Wether or not the \c SourceOverrides should keep track
>> -  /// of changes. See \c SourceOverrides::isTrackingFileChanges().
>> -  FileOverrides(bool TrackChanges) : TrackChanges(TrackChanges) {}
>> -  ~FileOverrides();
>> -
>> -  const_iterator find(llvm::StringRef Filename) const {
>> -    return Overrides.find(Filename);
>> -  }
>> +  /// \param Rewrites Rewriter containing changes to files.
>> +  void updateState(const clang::Rewriter &Rewrites);
>> 
>> -  /// \brief Get the \c SourceOverrides for \p Filename, creating it if
>> -  /// necessary.
>> -  SourceOverrides &getOrCreate(llvm::StringRef Filename);
>> +  /// \brief Accessor for current file state.
>> +  const FileStateMap &getState() const { return FileStates; }
>> 
>> -  /// \brief Iterators.
>> -  /// @{
>> -  const_iterator begin() const { return Overrides.begin(); }
>> -  const_iterator end() const { return Overrides.end(); }
>> -  /// @}
>> +  /// \brief Write all file contents overrides to disk.
>> +  ///
>> +  /// \param Diagnostics DiagnosticsEngine for error output.
>> +  ///
>> +  /// \returns \li true if all files with overridden file contents were written
>> +  ///              to disk successfully.
>> +  ///          \li false if any failure occurred.
>> +  bool writeToDisk(clang::DiagnosticsEngine &Diagnostics) const;
>> 
>> private:
>> -  FileOverrides(const FileOverrides &) LLVM_DELETED_FUNCTION;
>> -  FileOverrides &operator=(const FileOverrides &) LLVM_DELETED_FUNCTION;
>> -
>> -  SourceOverridesMap Overrides;
>> -  const bool TrackChanges;
>> +  FileStateMap FileStates;
>> +  ChangeMap ChangeTracking;
>> };
>> 
>> /// \brief Generate a unique filename to store the replacements.
>> ///
>> -/// Generates a unique filename in the same directory as the header file. The
>> -/// filename is based on the following model:
>> +/// Generates a unique filename in the same directory as \c MainSourceFile. The
>> +/// filename is generated following this pattern:
>> ///
>> -/// source.cpp_header.h_%%_%%_%%_%%_%%_%%.yaml
>> +/// MainSourceFile_%%_%%_%%_%%_%%_%%.yaml
>> ///
>> /// where all '%' will be replaced by a randomly chosen hex number.
>> ///
>> -/// @param SourceFile Full path to the source file.
>> -/// @param HeaderFile Full path to the header file.
>> -/// @param Result The resulting unique filename in the same directory as the
>> -///        header file.
>> -/// @param Error Description of the error if there is any.
>> -/// @returns true if succeeded, false otherwise.
>> -bool generateReplacementsFileName(llvm::StringRef SourceFile,
>> -                                    llvm::StringRef HeaderFile,
>> -                                    llvm::SmallVectorImpl<char> &Result,
>> -                                    llvm::SmallVectorImpl<char> &Error);
>> +/// \param[in] MainSourceFile Full path to the source file.
>> +/// \param[out] Result The resulting unique filename in the same directory as
>> +///             the \c MainSourceFile.
>> +/// \param[out] Error If an error occurs a description of that error is
>> +///             placed in this string.
>> +/// \returns true on success, false if a unique file name could not be created.
>> +bool generateReplacementsFileName(const llvm::StringRef MainSourceFile,
>> +                                  llvm::SmallVectorImpl<char> &Result,
>> +                                  llvm::SmallVectorImpl<char> &Error);
>> 
>> #endif // CPP11_MIGRATE_FILE_OVERRIDES_H
>> 
>> Added: clang-tools-extra/trunk/cpp11-migrate/Core/Refactoring.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/Refactoring.h?rev=189689&view=auto
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/Refactoring.h (added)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/Refactoring.h Fri Aug 30 14:28:59 2013
>> @@ -0,0 +1,31 @@
>> +//===-- Core/Refactoring.h - Stand-in for Tooling/Refactoring.h -*- C++ -*-===//
>> +//
>> +//                     The LLVM Compiler Infrastructure
>> +//
>> +// This file is distributed under the University of Illinois Open Source
>> +// License. See LICENSE.TXT for details.
>> +//
>> +//===----------------------------------------------------------------------===//
>> +///
>> +/// \file
>> +/// \brief This file is meant to be used instead of clang/Tooling/Refactoring.h
>> +/// until such time as clang::tooling::Replacements is re-implemented as a
>> +/// vector instead of a set.
>> +///
>> +//===----------------------------------------------------------------------===//
>> +
>> +#ifndef CPP11_MIGRATE_REPLACEMENTS_VEC_H
>> +#define CPP11_MIGRATE_REPLACEMENTS_VEC_H
>> +
>> +#include "clang/Tooling/Refactoring.h"
>> +
>> +// FIXME: Remove this file when clang::tooling::Replacements becomes a vector
>> +// instead of a set.
>> +
>> +namespace clang {
>> +namespace tooling {
>> +typedef std::vector<clang::tooling::Replacement> ReplacementsVec;
>> +}
>> +}
>> +
>> +#endif // CPP11_MIGRATE_REPLACEMENTS_VEC_H
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.cpp Fri Aug 30 14:28:59 2013
>> @@ -22,39 +22,23 @@
>> 
>> using namespace clang;
>> 
>> -void Reformatter::reformatChanges(SourceOverrides &Overrides) {
>> -  llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> DiagOpts(
>> -      new DiagnosticOptions());
>> -  DiagnosticsEngine Diagnostics(
>> -      llvm::IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()),
>> -      DiagOpts.getPtr());
>> -  FileManager Files((FileSystemOptions()));
>> -  SourceManager SM(Diagnostics, Files);
>> -
>> -  reformatChanges(Overrides, SM);
>> -}
>> -
>> -void Reformatter::reformatChanges(SourceOverrides &Overrides,
>> -                                  clang::SourceManager &SM) {
>> -  tooling::Replacements Replaces;
>> -  Overrides.applyOverrides(SM);
>> -  if (Overrides.isSourceOverriden())
>> -    Replaces = reformatSingleFile(Overrides.getMainFileName(),
>> -                                  Overrides.getChangedRanges(), SM);
>> -
>> -  for (HeaderOverrides::const_iterator I = Overrides.headers_begin(),
>> -                                       E = Overrides.headers_end();
>> +void Reformatter::reformatChanges(const FileOverrides &FileStates,
>> +                                  clang::SourceManager &SM,
>> +                                  clang::tooling::ReplacementsVec &Replaces) {
>> +  FileStates.applyOverrides(SM);
>> +
>> +  for (FileOverrides::ChangeMap::const_iterator
>> +           I = FileStates.getChangedRanges().begin(),
>> +           E = FileStates.getChangedRanges().end();
>>       I != E; ++I) {
>> -    const HeaderOverride &Header = I->getValue();
>> -    const tooling::Replacements &HeaderReplaces =
>> -        reformatSingleFile(Header.getHeaderPath(), Header.getChanges(), SM);
>> -    Replaces.insert(HeaderReplaces.begin(), HeaderReplaces.end());
>> +    reformatSingleFile(I->getKey(), I->getValue(), SM, Replaces);
>>  }
>> -  Overrides.applyReplacements(Replaces, SM);
>> }
>> 
>> -tooling::Replacements Reformatter::reformatSingleFile(
>> -    llvm::StringRef FileName, const ChangedRanges &Changes, SourceManager &SM) {
>> +void Reformatter::reformatSingleFile(
>> +    const llvm::StringRef FileName, const ChangedRanges &Changes,
>> +    SourceManager &SM, clang::tooling::ReplacementsVec &FormatReplacements) {
>> +
>>  const clang::FileEntry *Entry = SM.getFileManager().getFile(FileName);
>>  assert(Entry && "expected an existing file");
>> 
>> @@ -72,5 +56,7 @@ tooling::Replacements Reformatter::refor
>>  }
>> 
>>  Lexer Lex(ID, SM.getBuffer(ID), SM, getFormattingLangOpts(Style.Standard));
>> -  return format::reformat(Style, Lex, SM, ReformatRanges);
>> +  const tooling::Replacements &R =
>> +      format::reformat(Style, Lex, SM, ReformatRanges);
>> +  std::copy(R.begin(), R.end(), std::back_inserter(FormatReplacements));
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/Reformatting.h Fri Aug 30 14:28:59 2013
>> @@ -16,9 +16,10 @@
>> #ifndef CPP11_MIGRATE_REFORMATTING_H
>> #define CPP11_MIGRATE_REFORMATTING_H
>> 
>> +#include "Core/Refactoring.h"
>> #include "clang/Format/Format.h"
>> 
>> -class SourceOverrides;
>> +class FileOverrides;
>> class ChangedRanges;
>> 
>> class Reformatter {
>> @@ -27,31 +28,30 @@ public:
>> 
>>  /// \brief Reformat the changes made to the file overrides.
>>  ///
>> -  /// \param Overrides Overriden source files to reformat. Note that since only
>> -  /// the changes are reformatted, file change tracking has to be enabled.
>> -  /// \param SM A SourceManager where the overridens files can be found.
>> +  /// This function will apply the state of files stored in \c FileState to \c
>> +  /// SM.
>>  ///
>> -  /// \sa \c SourceOverrides::isTrackingFileChanges()
>> -  void reformatChanges(SourceOverrides &Overrides, clang::SourceManager &SM);
>> -
>> -  /// \brief Overload of \c reformatChanges() providing it's own
>> -  /// \c SourceManager.
>> -  void reformatChanges(SourceOverrides &Overrides);
>> +  /// \param[in] FileState Files to reformat.
>> +  /// \param[in] SM SourceManager for access to source files.
>> +  /// \param[out] Replaces Container to store all reformatting replacements.
>> +  void reformatChanges(const FileOverrides &FileState, clang::SourceManager &SM,
>> +                       clang::tooling::ReplacementsVec &Replaces);
>> 
>>  /// \brief Produce a list of replacements to apply on \p FileName, only the
>>  /// ranges in \p Changes are replaced.
>>  ///
>> -  /// Since this routine use \c clang::format::reformat() the rules that applies
>> -  /// on the ranges are identical:
>> +  /// Since this routine use \c clang::format::reformat() the rules that
>> +  /// function applies to ranges also apply here.
>>  ///
>> -  /// \par
>> -  /// Each range is extended on either end to its next bigger logic
>> -  /// unit, i.e. everything that might influence its formatting or might be
>> -  /// influenced by its formatting.
>> -  /// -- \c clang::format::reformat()
>> -  clang::tooling::Replacements reformatSingleFile(llvm::StringRef FileName,
>> -                                                  const ChangedRanges &Changes,
>> -                                                  clang::SourceManager &SM);
>> +  /// \param[in] FileName Name of file to reformat.
>> +  /// \param[in] Changes Description of where changes were made to the file.
>> +  /// \param[in] SM SourceManager required to create replacements.
>> +  /// \param[out] FormatReplacements New reformatting replacements are appended
>> +  /// to this container.
>> +  void reformatSingleFile(const llvm::StringRef FileName,
>> +                          const ChangedRanges &Changes,
>> +                          clang::SourceManager &SM,
>> +                          clang::tooling::ReplacementsVec &FormatReplacements);
>> 
>> private:
>>  clang::format::FormatStyle Style;
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/SyntaxCheck.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/SyntaxCheck.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/SyntaxCheck.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/SyntaxCheck.cpp Fri Aug 30 14:28:59 2013
>> @@ -30,9 +30,7 @@ public:
>>    if (!SyntaxOnlyAction::BeginSourceFileAction(CI, Filename))
>>      return false;
>> 
>> -    FileOverrides::const_iterator I = Overrides.find(Filename);
>> -    if (I != Overrides.end())
>> -      I->second->applyOverrides(CI.getSourceManager());
>> +    Overrides.applyOverrides(CI.getSourceManager());
>> 
>>    return true;
>>  }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/Transform.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/Transform.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/Transform.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/Transform.cpp Fri Aug 30 14:28:59 2013
>> @@ -100,13 +100,8 @@ bool Transform::isFileModifiable(const S
>> bool Transform::handleBeginSource(CompilerInstance &CI, StringRef Filename) {
>>  assert(Overrides != 0 && "Subclass transform didn't provide InputState");
>> 
>> -  CurrentSource = Filename.str();
>> -
>> -  FileOverrides::const_iterator I = Overrides->find(CurrentSource);
>> -  if (I != Overrides->end())
>> -    I->second->applyOverrides(CI.getSourceManager());
>> -
>> -  Replace.clear();
>> +  Overrides->applyOverrides(CI.getSourceManager());
>> +  CurrentSource = Filename;
>> 
>>  if (Options().EnableTiming) {
>>    Timings.push_back(std::make_pair(Filename.str(), llvm::TimeRecord()));
>> @@ -116,11 +111,7 @@ bool Transform::handleBeginSource(Compil
>> }
>> 
>> void Transform::handleEndSource() {
>> -  if (!getReplacements().empty()) {
>> -    SourceOverrides &SO = Overrides->getOrCreate(CurrentSource);
>> -    SO.applyReplacements(getReplacements());
>> -  }
>> -
>> +  CurrentSource.clear();
>>  if (Options().EnableTiming)
>>    Timings.back().second += llvm::TimeRecord::getCurrentTime(false);
>> }
>> @@ -129,6 +120,19 @@ void Transform::addTiming(llvm::StringRe
>>  Timings.push_back(std::make_pair(Label.str(), Duration));
>> }
>> 
>> +bool
>> +Transform::addReplacementForCurrentTU(const clang::tooling::Replacement &R) {
>> +  if (CurrentSource.empty())
>> +    return false;
>> +
>> +  TranslationUnitReplacements &TU = Replacements[CurrentSource];
>> +  if (TU.MainSourceFile.empty())
>> +    TU.MainSourceFile = CurrentSource;
>> +  TU.Replacements.push_back(R);
>> +
>> +  return true;
>> +}
>> +
>> FrontendActionFactory *Transform::createActionFactory(MatchFinder &Finder) {
>>  return new ActionFactory(Finder, /*Owner=*/ *this);
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/Core/Transform.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/Core/Transform.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/Core/Transform.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/Core/Transform.h Fri Aug 30 14:28:59 2013
>> @@ -17,7 +17,7 @@
>> #define CPP11_MIGRATE_TRANSFORM_H
>> 
>> #include "Core/IncludeExcludeInfo.h"
>> -#include "clang/Tooling/Refactoring.h"
>> +#include "Core/Refactoring.h"
>> #include "llvm/ADT/OwningPtr.h"
>> #include "llvm/Support/CommandLine.h"
>> #include "llvm/Support/Registry.h"
>> @@ -52,6 +52,12 @@ class MatchFinder;
>> 
>> class FileOverrides;
>> 
>> +
>> +// \brief Maps main source file names to a TranslationUnitReplacements
>> +// structure storing replacements for that translation unit.
>> +typedef llvm::StringMap<clang::tooling::TranslationUnitReplacements>
>> +TUReplacementsMap;
>> +
>> /// \brief To group transforms' options together when printing the help.
>> extern llvm::cl::OptionCategory TransformsOptionsCategory;
>> 
>> @@ -99,7 +105,7 @@ public:
>>  /// SourcePaths and should take precedence over content of files on disk.
>>  /// Upon return, \p ResultStates shall contain the result of performing this
>>  /// transform on the files listed in \p SourcePaths.
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) = 0;
>> 
>> @@ -172,6 +178,17 @@ public:
>>  /// \brief Return an iterator to the start of collected timing data.
>>  TimingVec::const_iterator timing_end() const { return Timings.end(); }
>> 
>> +  /// \brief Add a Replacement to the list for the current translation unit.
>> +  ///
>> +  /// \returns \li true on success
>> +  ///          \li false if there is no current translation unit
>> +  bool addReplacementForCurrentTU(const clang::tooling::Replacement &R);
>> +
>> +  /// \brief Accessor to Replacements across all transformed translation units.
>> +  const TUReplacementsMap &getAllReplacements() const {
>> +    return Replacements;
>> +  }
>> +
>> protected:
>> 
>>  void setAcceptedChanges(unsigned Changes) {
>> @@ -195,16 +212,12 @@ protected:
>>  /// created with.
>>  const TransformOptions &Options() { return GlobalOptions; }
>> 
>> -  /// \brief Provide access for subclasses for the container to store
>> -  /// translation unit replacements.
>> -  clang::tooling::Replacements &getReplacements() { return Replace; }
>> -
>>  /// \brief Affords a subclass to provide file contents overrides before
>>  /// applying frontend actions.
>>  ///
>>  /// It is an error not to call this function before calling ClangTool::run()
>>  /// with the factory provided by createActionFactory().
>> -  void setOverrides(FileOverrides &Overrides) {
>> +  void setOverrides(const FileOverrides &Overrides) {
>>    this->Overrides = &Overrides;
>>  }
>> 
>> @@ -219,8 +232,8 @@ protected:
>> private:
>>  const std::string Name;
>>  const TransformOptions &GlobalOptions;
>> -  FileOverrides *Overrides;
>> -  clang::tooling::Replacements Replace;
>> +  const FileOverrides *Overrides;
>> +  TUReplacementsMap Replacements;
>>  std::string CurrentSource;
>>  TimingVec Timings;
>>  unsigned AcceptedChanges;
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.cpp Fri Aug 30 14:28:59 2013
>> @@ -815,9 +815,9 @@ void LoopFixer::doConversion(ASTContext
>>      // the declaration of the alias variable. This is probably a bug.
>>      ReplacementText = ";";
>> 
>> -    Replace->insert(Replacement(Context->getSourceManager(),
>> -                                CharSourceRange::getTokenRange(ReplaceRange),
>> -                                ReplacementText));
>> +    Owner.addReplacementForCurrentTU(Replacement(
>> +        Context->getSourceManager(),
>> +        CharSourceRange::getTokenRange(ReplaceRange), ReplacementText));
>>    // No further replacements are made to the loop, since the iterator or index
>>    // was used exactly once - in the initialization of AliasVar.
>>  } else {
>> @@ -830,10 +830,9 @@ void LoopFixer::doConversion(ASTContext
>>         I != E; ++I) {
>>      std::string ReplaceText = I->IsArrow ? VarName + "." : VarName;
>>      ReplacedVarRanges->insert(std::make_pair(TheLoop, IndexVar));
>> -      Replace->insert(
>> +      Owner.addReplacementForCurrentTU(
>>          Replacement(Context->getSourceManager(),
>> -                      CharSourceRange::getTokenRange(I->Range),
>> -                      ReplaceText));
>> +                      CharSourceRange::getTokenRange(I->Range), ReplaceText));
>>    }
>>  }
>> 
>> @@ -862,9 +861,9 @@ void LoopFixer::doConversion(ASTContext
>>  std::string TypeString = AutoRefType.getAsString();
>>  std::string Range = ("(" + TypeString + " " + VarName + " : "
>>                           + MaybeDereference + ContainerString + ")").str();
>> -  Replace->insert(Replacement(Context->getSourceManager(),
>> -                              CharSourceRange::getTokenRange(ParenRange),
>> -                              Range));
>> +  Owner.addReplacementForCurrentTU(
>> +      Replacement(Context->getSourceManager(),
>> +                  CharSourceRange::getTokenRange(ParenRange), Range));
>>  GeneratedDecls->insert(make_pair(TheLoop, VarName));
>> }
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopActions.h Fri Aug 30 14:28:59 2013
>> @@ -41,12 +41,11 @@ enum LoopFixerKind {
>> class LoopFixer : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>>   LoopFixer(StmtAncestorASTVisitor *ParentFinder,
>> -             clang::tooling::Replacements *Replace,
>>             StmtGeneratedVarNameMap *GeneratedDecls,
>>             ReplacedVarsMap *ReplacedVarRanges, unsigned *AcceptedChanges,
>>             unsigned *DeferredChanges, unsigned *RejectedChanges,
>> -             RiskLevel MaxRisk, LoopFixerKind FixerKind, const Transform &Owner)
>> -       : ParentFinder(ParentFinder), Replace(Replace),
>> +             RiskLevel MaxRisk, LoopFixerKind FixerKind, Transform &Owner)
>> +       : ParentFinder(ParentFinder),
>>         GeneratedDecls(GeneratedDecls), ReplacedVarRanges(ReplacedVarRanges),
>>         AcceptedChanges(AcceptedChanges), DeferredChanges(DeferredChanges),
>>         RejectedChanges(RejectedChanges), MaxRisk(MaxRisk),
>> @@ -57,7 +56,6 @@ class LoopFixer : public clang::ast_matc
>> 
>> private:
>>  StmtAncestorASTVisitor *ParentFinder;
>> -  clang::tooling::Replacements *Replace;
>>  StmtGeneratedVarNameMap *GeneratedDecls;
>>  ReplacedVarsMap *ReplacedVarRanges;
>>  unsigned *AcceptedChanges;
>> @@ -65,7 +63,7 @@ class LoopFixer : public clang::ast_matc
>>  unsigned *RejectedChanges;
>>  RiskLevel MaxRisk;
>>  LoopFixerKind FixerKind;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> 
>>  /// \brief Computes the changes needed to convert a given for loop, and
>>  /// applies it.
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.cpp Fri Aug 30 14:28:59 2013
>> @@ -24,7 +24,7 @@ using clang::ast_matchers::MatchFinder;
>> using namespace clang::tooling;
>> using namespace clang;
>> 
>> -int LoopConvertTransform::apply(FileOverrides &InputStates,
>> +int LoopConvertTransform::apply(const FileOverrides &InputStates,
>>                                const CompilationDatabase &Database,
>>                                const std::vector<std::string> &SourcePaths) {
>>  ClangTool LoopTool(Database, SourcePaths);
>> @@ -37,20 +37,20 @@ int LoopConvertTransform::apply(FileOver
>>  unsigned RejectedChanges = 0;
>> 
>>  MatchFinder Finder;
>> -  LoopFixer ArrayLoopFixer(&ParentFinder, &getReplacements(), &GeneratedDecls,
>> -                           &ReplacedVars, &AcceptedChanges, &DeferredChanges,
>> -                           &RejectedChanges, Options().MaxRiskLevel, LFK_Array,
>> +  LoopFixer ArrayLoopFixer(&ParentFinder, &GeneratedDecls, &ReplacedVars,
>> +                           &AcceptedChanges, &DeferredChanges, &RejectedChanges,
>> +                           Options().MaxRiskLevel, LFK_Array,
>>                           /*Owner=*/ *this);
>>  Finder.addMatcher(makeArrayLoopMatcher(), &ArrayLoopFixer);
>> -  LoopFixer IteratorLoopFixer(
>> -      &ParentFinder, &getReplacements(), &GeneratedDecls, &ReplacedVars,
>> -      &AcceptedChanges, &DeferredChanges, &RejectedChanges,
>> -      Options().MaxRiskLevel, LFK_Iterator, /*Owner=*/ *this);
>> +  LoopFixer IteratorLoopFixer(&ParentFinder, &GeneratedDecls, &ReplacedVars,
>> +                              &AcceptedChanges, &DeferredChanges,
>> +                              &RejectedChanges, Options().MaxRiskLevel,
>> +                              LFK_Iterator, /*Owner=*/ *this);
>>  Finder.addMatcher(makeIteratorLoopMatcher(), &IteratorLoopFixer);
>> -  LoopFixer PseudoarrrayLoopFixer(
>> -      &ParentFinder, &getReplacements(), &GeneratedDecls, &ReplacedVars,
>> -      &AcceptedChanges, &DeferredChanges, &RejectedChanges,
>> -      Options().MaxRiskLevel, LFK_PseudoArray, /*Owner=*/ *this);
>> +  LoopFixer PseudoarrrayLoopFixer(&ParentFinder, &GeneratedDecls, &ReplacedVars,
>> +                                  &AcceptedChanges, &DeferredChanges,
>> +                                  &RejectedChanges, Options().MaxRiskLevel,
>> +                                  LFK_PseudoArray, /*Owner=*/ *this);
>>  Finder.addMatcher(makePseudoArrayLoopMatcher(), &PseudoarrrayLoopFixer);
>> 
>>  setOverrides(InputStates);
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/LoopConvert/LoopConvert.h Fri Aug 30 14:28:59 2013
>> @@ -28,7 +28,7 @@ public:
>>      : Transform("LoopConvert", Options) {}
>> 
>>  /// \see Transform::run().
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) LLVM_OVERRIDE;
>> };
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.cpp Fri Aug 30 14:28:59 2013
>> @@ -21,15 +21,14 @@ using namespace clang;
>> using namespace clang::tooling;
>> using namespace clang::ast_matchers;
>> 
>> -int PassByValueTransform::apply(
>> -    FileOverrides &InputStates, const tooling::CompilationDatabase &Database,
>> -    const std::vector<std::string> &SourcePaths) {
>> +int PassByValueTransform::apply(const FileOverrides &InputStates,
>> +                                const tooling::CompilationDatabase &Database,
>> +                                const std::vector<std::string> &SourcePaths) {
>>  ClangTool Tool(Database, SourcePaths);
>>  unsigned AcceptedChanges = 0;
>>  unsigned RejectedChanges = 0;
>>  MatchFinder Finder;
>> -  ConstructorParamReplacer Replacer(getReplacements(), AcceptedChanges,
>> -                                    RejectedChanges,
>> +  ConstructorParamReplacer Replacer(AcceptedChanges, RejectedChanges,
>>                                    /*Owner=*/ *this);
>> 
>>  Finder.addMatcher(makePassByValueCtorParamMatcher(), &Replacer);
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValue.h Fri Aug 30 14:28:59 2013
>> @@ -58,7 +58,7 @@ public:
>>      : Transform("PassByValue", Options), Replacer(0) {}
>> 
>>  /// \see Transform::apply().
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) LLVM_OVERRIDE;
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.cpp Fri Aug 30 14:28:59 2013
>> @@ -151,17 +151,21 @@ void ConstructorParamReplacer::run(const
>>  const tooling::Replacement &IncludeReplace =
>>      IncludeManager->addAngledInclude(STDMoveFile, "utility");
>>  if (IncludeReplace.isApplicable()) {
>> -    Replaces.insert(IncludeReplace);
>> +    Owner.addReplacementForCurrentTU(IncludeReplace);
>>    AcceptedChanges++;
>>  }
>> 
>>  // const-ref params becomes values (const Foo & -> Foo)
>> -  Replaces.insert(ParamReplaces.begin(), ParamReplaces.end());
>> +  for (const Replacement *I = ParamReplaces.begin(), *E = ParamReplaces.end();
>> +       I != E; ++I) {
>> +    Owner.addReplacementForCurrentTU(*I);
>> +  }
>>  AcceptedChanges += ParamReplaces.size();
>> 
>>  // move the value in the init-list
>> -  Replaces.insert(Replacement(
>> +  Owner.addReplacementForCurrentTU(Replacement(
>>      SM, Initializer->getLParenLoc().getLocWithOffset(1), 0, "std::move("));
>> -  Replaces.insert(Replacement(SM, Initializer->getRParenLoc(), 0, ")"));
>> +  Owner.addReplacementForCurrentTU(
>> +      Replacement(SM, Initializer->getRParenLoc(), 0, ")"));
>>  AcceptedChanges += 2;
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/PassByValue/PassByValueActions.h Fri Aug 30 14:28:59 2013
>> @@ -51,11 +51,10 @@ class IncludeDirectives;
>> class ConstructorParamReplacer
>>    : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  ConstructorParamReplacer(clang::tooling::Replacements &Replaces,
>> -                           unsigned &AcceptedChanges, unsigned &RejectedChanges,
>> -                           const Transform &Owner)
>> -      : Replaces(Replaces), AcceptedChanges(AcceptedChanges),
>> -        RejectedChanges(RejectedChanges), Owner(Owner), IncludeManager(0) {}
>> +  ConstructorParamReplacer(unsigned &AcceptedChanges, unsigned &RejectedChanges,
>> +                           Transform &Owner)
>> +      : AcceptedChanges(AcceptedChanges), RejectedChanges(RejectedChanges),
>> +        Owner(Owner), IncludeManager(0) {}
>> 
>>  void setIncludeDirectives(IncludeDirectives *Includes) {
>>    IncludeManager = Includes;
>> @@ -66,10 +65,9 @@ private:
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
>>      LLVM_OVERRIDE;
>> 
>> -  clang::tooling::Replacements &Replaces;
>>  unsigned &AcceptedChanges;
>>  unsigned &RejectedChanges;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>>  IncludeDirectives *IncludeManager;
>> };
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.cpp Fri Aug 30 14:28:59 2013
>> @@ -22,16 +22,14 @@ using namespace clang::tooling;
>> using namespace clang::ast_matchers;
>> 
>> int
>> -ReplaceAutoPtrTransform::apply(FileOverrides &InputStates,
>> +ReplaceAutoPtrTransform::apply(const FileOverrides &InputStates,
>>                               const CompilationDatabase &Database,
>>                               const std::vector<std::string> &SourcePaths) {
>>  ClangTool Tool(Database, SourcePaths);
>>  unsigned AcceptedChanges = 0;
>>  MatchFinder Finder;
>> -  AutoPtrReplacer Replacer(getReplacements(), AcceptedChanges,
>> -                           /*Owner=*/*this);
>> -  OwnershipTransferFixer Fixer(getReplacements(), AcceptedChanges,
>> -                                   /*Owner=*/*this);
>> +  AutoPtrReplacer Replacer(AcceptedChanges, /*Owner=*/ *this);
>> +  OwnershipTransferFixer Fixer(AcceptedChanges, /*Owner=*/ *this);
>> 
>>  Finder.addMatcher(makeAutoPtrTypeLocMatcher(), &Replacer);
>>  Finder.addMatcher(makeAutoPtrUsingDeclMatcher(), &Replacer);
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtr.h Fri Aug 30 14:28:59 2013
>> @@ -47,7 +47,7 @@ public:
>>      : Transform("ReplaceAutoPtr", Options) {}
>> 
>>  /// \see Transform::run().
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) LLVM_OVERRIDE;
>> };
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.cpp Fri Aug 30 14:28:59 2013
>> @@ -66,7 +66,7 @@ void AutoPtrReplacer::run(const MatchFin
>>  if (!checkTokenIsAutoPtr(IdentifierLoc, SM, LangOptions()))
>>    return;
>> 
>> -  Replace.insert(
>> +  Owner.addReplacementForCurrentTU(
>>      Replacement(SM, IdentifierLoc, strlen("auto_ptr"), "unique_ptr"));
>>  ++AcceptedChanges;
>> }
>> @@ -101,7 +101,8 @@ void OwnershipTransferFixer::run(const M
>>  if (!Owner.isFileModifiable(SM, Range.getBegin()))
>>    return;
>> 
>> -  Replace.insert(Replacement(SM, Range.getBegin(), 0, "std::move("));
>> -  Replace.insert(Replacement(SM, Range.getEnd(), 0, ")"));
>> +  Owner.addReplacementForCurrentTU(
>> +      Replacement(SM, Range.getBegin(), 0, "std::move("));
>> +  Owner.addReplacementForCurrentTU(Replacement(SM, Range.getEnd(), 0, ")"));
>>  AcceptedChanges += 2;
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/ReplaceAutoPtr/ReplaceAutoPtrActions.h Fri Aug 30 14:28:59 2013
>> @@ -25,9 +25,8 @@ class Transform;
>> /// using declarations.
>> class AutoPtrReplacer : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  AutoPtrReplacer(clang::tooling::Replacements &Replace,
>> -                  unsigned &AcceptedChanges, const Transform &Owner)
>> -      : Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> +  AutoPtrReplacer(unsigned &AcceptedChanges, Transform &Owner)
>> +      : AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> 
>>  /// \brief Entry point to the callback called when matches are made.
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
>> @@ -63,9 +62,8 @@ private:
>>                      const clang::SourceManager &SM);
>> 
>> private:
>> -  clang::tooling::Replacements &Replace;
>>  unsigned &AcceptedChanges;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> };
>> 
>> /// \brief The callback to be used to fix the ownership transfers of
>> @@ -86,18 +84,16 @@ private:
>> class OwnershipTransferFixer
>>    : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  OwnershipTransferFixer(clang::tooling::Replacements &Replace,
>> -                         unsigned &AcceptedChanges, const Transform &Owner)
>> -      : Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> +  OwnershipTransferFixer(unsigned &AcceptedChanges, Transform &Owner)
>> +      : AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> 
>>  /// \brief Entry point to the callback called when matches are made.
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
>>      LLVM_OVERRIDE;
>> 
>> private:
>> -  clang::tooling::Replacements &Replace;
>>  unsigned &AcceptedChanges;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> };
>> 
>> #endif // CPP11_MIGRATE_REPLACE_AUTO_PTR_ACTIONS_H
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.cpp Fri Aug 30 14:28:59 2013
>> @@ -20,7 +20,7 @@ using clang::ast_matchers::MatchFinder;
>> using namespace clang;
>> using namespace clang::tooling;
>> 
>> -int UseAutoTransform::apply(FileOverrides &InputStates,
>> +int UseAutoTransform::apply(const FileOverrides &InputStates,
>>                            const clang::tooling::CompilationDatabase &Database,
>>                            const std::vector<std::string> &SourcePaths) {
>>  ClangTool UseAutoTool(Database, SourcePaths);
>> @@ -28,10 +28,11 @@ int UseAutoTransform::apply(FileOverride
>>  unsigned AcceptedChanges = 0;
>> 
>>  MatchFinder Finder;
>> -  IteratorReplacer ReplaceIterators(getReplacements(), AcceptedChanges,
>> -                                    Options().MaxRiskLevel, /*Owner=*/ *this);
>> -  NewReplacer ReplaceNew(getReplacements(), AcceptedChanges,
>> -                         Options().MaxRiskLevel, /*Owner=*/ *this);
>> +  ReplacementsVec Replaces;
>> +  IteratorReplacer ReplaceIterators(AcceptedChanges, Options().MaxRiskLevel,
>> +                                    /*Owner=*/ *this);
>> +  NewReplacer ReplaceNew(AcceptedChanges, Options().MaxRiskLevel,
>> +                         /*Owner=*/ *this);
>> 
>>  Finder.addMatcher(makeIteratorDeclMatcher(), &ReplaceIterators);
>>  Finder.addMatcher(makeDeclWithNewMatcher(), &ReplaceNew);
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAuto.h Fri Aug 30 14:28:59 2013
>> @@ -34,7 +34,7 @@ public:
>>      : Transform("UseAuto", Options) {}
>> 
>>  /// \see Transform::run().
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) LLVM_OVERRIDE;
>> };
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.cpp Fri Aug 30 14:28:59 2013
>> @@ -73,7 +73,7 @@ void IteratorReplacer::run(const MatchFi
>>  // iterators but something to keep in mind in the future.
>> 
>>  CharSourceRange Range(TL.getSourceRange(), true);
>> -  Replace.insert(tooling::Replacement(SM, Range, "auto"));
>> +  Owner.addReplacementForCurrentTU(tooling::Replacement(SM, Range, "auto"));
>>  ++AcceptedChanges;
>> }
>> 
>> @@ -131,8 +131,9 @@ void NewReplacer::run(const MatchFinder:
>>  for (std::vector<SourceLocation>::iterator I = StarLocations.begin(),
>>                                             E = StarLocations.end();
>>       I != E; ++I) {
>> -    Replace.insert(tooling::Replacement(SM, *I, 1, ""));
>> +    Owner.addReplacementForCurrentTU(tooling::Replacement(SM, *I, 1, ""));
>>  }
>> +
>>  // FIXME: There is, however, one case we can address: when the VarDecl
>>  // pointee is the same as the initializer, just more CV-qualified. However,
>>  // TypeLoc information is not reliable where CV qualifiers are concerned so
>> @@ -141,6 +142,6 @@ void NewReplacer::run(const MatchFinder:
>>      FirstDecl->getTypeSourceInfo()->getTypeLoc().getSourceRange(), true);
>>  // Space after 'auto' to handle cases where the '*' in the pointer type
>>  // is next to the identifier. This avoids changing 'int *p' into 'autop'.
>> -  Replace.insert(tooling::Replacement(SM, Range, "auto "));
>> +  Owner.addReplacementForCurrentTU(tooling::Replacement(SM, Range, "auto "));
>>  ++AcceptedChanges;
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseAuto/UseAutoActions.h Fri Aug 30 14:28:59 2013
>> @@ -25,36 +25,32 @@
>> class IteratorReplacer
>>    : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  IteratorReplacer(clang::tooling::Replacements &Replace,
>> -                   unsigned &AcceptedChanges, RiskLevel, const Transform &Owner)
>> -      : Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> +  IteratorReplacer(unsigned &AcceptedChanges, RiskLevel, Transform &Owner)
>> +      : AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> 
>>  /// \brief Entry point to the callback called when matches are made.
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
>>      LLVM_OVERRIDE;
>> 
>> private:
>> -  clang::tooling::Replacements &Replace;
>>  unsigned &AcceptedChanges;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> };
>> 
>> /// \brief The callback used when replacing type specifiers of variable
>> /// declarations initialized by a C++ new expression.
>> class NewReplacer : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  NewReplacer(clang::tooling::Replacements &Replace, unsigned &AcceptedChanges,
>> -              RiskLevel, const Transform &Owner)
>> -      : Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> +  NewReplacer(unsigned &AcceptedChanges, RiskLevel, Transform &Owner)
>> +      : AcceptedChanges(AcceptedChanges), Owner(Owner) {}
>> 
>>  /// \brief Entry point to the callback called when matches are made.
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result)
>>      LLVM_OVERRIDE;
>> 
>> private:
>> -  clang::tooling::Replacements &Replace;
>>  unsigned &AcceptedChanges;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> };
>> 
>> #endif // CPP11_MIGRATE_USE_AUTO_ACTIONS_H
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.cpp Fri Aug 30 14:28:59 2013
>> @@ -47,7 +47,7 @@ bool isReplaceableRange(SourceLocation S
>> /// \brief Replaces the provided range with the text "nullptr", but only if
>> /// the start and end location are both in main file.
>> /// Returns true if and only if a replacement was made.
>> -void ReplaceWithNullptr(tooling::Replacements &Replace, SourceManager &SM,
>> +void ReplaceWithNullptr(Transform &Owner, SourceManager &SM,
>>                        SourceLocation StartLoc, SourceLocation EndLoc) {
>>  CharSourceRange Range(SourceRange(StartLoc, EndLoc), true);
>>  // Add a space if nullptr follows an alphanumeric character. This happens
>> @@ -55,9 +55,11 @@ void ReplaceWithNullptr(tooling::Replace
>>  // parentheses and right beside a return statement.
>>  SourceLocation PreviousLocation = StartLoc.getLocWithOffset(-1);
>>  if (isAlphanumeric(*FullSourceLoc(PreviousLocation, SM).getCharacterData()))
>> -    Replace.insert(tooling::Replacement(SM, Range, " nullptr"));
>> +    Owner.addReplacementForCurrentTU(
>> +        tooling::Replacement(SM, Range, " nullptr"));
>>  else
>> -    Replace.insert(tooling::Replacement(SM, Range, "nullptr"));
>> +    Owner.addReplacementForCurrentTU(
>> +        tooling::Replacement(SM, Range, "nullptr"));
>> }
>> 
>> /// \brief Returns the name of the outermost macro.
>> @@ -153,10 +155,9 @@ private:
>> /// ambiguities.
>> class CastSequenceVisitor : public RecursiveASTVisitor<CastSequenceVisitor> {
>> public:
>> -  CastSequenceVisitor(tooling::Replacements &R, ASTContext &Context,
>> -                      const UserMacroNames &UserNullMacros,
>> -                      unsigned &AcceptedChanges, const Transform &Owner)
>> -      : Replace(R), SM(Context.getSourceManager()), Context(Context),
>> +  CastSequenceVisitor(ASTContext &Context, const UserMacroNames &UserNullMacros,
>> +                      unsigned &AcceptedChanges, Transform &Owner)
>> +      : SM(Context.getSourceManager()), Context(Context),
>>        UserNullMacros(UserNullMacros), AcceptedChanges(AcceptedChanges),
>>        Owner(Owner), FirstSubExpr(0), PruneSubtree(false) {}
>> 
>> @@ -196,7 +197,7 @@ public:
>>                       FileLocEnd = SM.getFileLoc(EndLoc);
>>        if (isReplaceableRange(FileLocStart, FileLocEnd, SM, Owner) &&
>>            allArgUsesValid(C)) {
>> -          ReplaceWithNullptr(Replace, SM, FileLocStart, FileLocEnd);
>> +          ReplaceWithNullptr(Owner, SM, FileLocStart, FileLocEnd);
>>          ++AcceptedChanges;
>>        }
>>        return skipSubTree();
>> @@ -220,7 +221,7 @@ public:
>>      if (!isReplaceableRange(StartLoc, EndLoc, SM, Owner)) {
>>        return skipSubTree();
>>      }
>> -      ReplaceWithNullptr(Replace, SM, StartLoc, EndLoc);
>> +      ReplaceWithNullptr(Owner, SM, StartLoc, EndLoc);
>>      ++AcceptedChanges;
>> 
>>      return skipSubTree();
>> @@ -417,21 +418,19 @@ private:
>>  }
>> 
>> private:
>> -  tooling::Replacements &Replace;
>>  SourceManager &SM;
>>  ASTContext &Context;
>>  const UserMacroNames &UserNullMacros;
>>  unsigned &AcceptedChanges;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>>  Expr *FirstSubExpr;
>>  bool PruneSubtree;
>> };
>> } // namespace
>> 
>> -NullptrFixer::NullptrFixer(clang::tooling::Replacements &Replace,
>> -                           unsigned &AcceptedChanges, RiskLevel,
>> -                           const Transform &Owner)
>> -    : Replace(Replace), AcceptedChanges(AcceptedChanges), Owner(Owner) {
>> +NullptrFixer::NullptrFixer(unsigned &AcceptedChanges, RiskLevel,
>> +                           Transform &Owner)
>> +    : AcceptedChanges(AcceptedChanges), Owner(Owner) {
>>  if (!UserNullMacroNames.empty()) {
>>    llvm::StringRef S = UserNullMacroNames;
>>    S.split(UserNullMacros, ",");
>> @@ -445,7 +444,7 @@ void NullptrFixer::run(const ast_matcher
>>  // Given an implicit null-ptr cast or an explicit cast with an implicit
>>  // null-to-pointer cast within use CastSequenceVisitor to identify sequences
>>  // of explicit casts that can be converted into 'nullptr'.
>> -  CastSequenceVisitor Visitor(Replace, *Result.Context, UserNullMacros,
>> -                              AcceptedChanges, Owner);
>> +  CastSequenceVisitor Visitor(*Result.Context, UserNullMacros, AcceptedChanges,
>> +                              Owner);
>>  Visitor.TraverseStmt(const_cast<CastExpr *>(NullCast));
>> }
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseNullptr/NullptrActions.h Fri Aug 30 14:28:59 2013
>> @@ -27,17 +27,15 @@ typedef llvm::SmallVector<llvm::StringRe
>> ///
>> class NullptrFixer : public clang::ast_matchers::MatchFinder::MatchCallback {
>> public:
>> -  NullptrFixer(clang::tooling::Replacements &Replace, unsigned &AcceptedChanges,
>> -               RiskLevel, const Transform &Owner);
>> +  NullptrFixer(unsigned &AcceptedChanges, RiskLevel, Transform &Owner);
>> 
>>  /// \brief Entry point to the callback called when matches are made.
>>  virtual void run(const clang::ast_matchers::MatchFinder::MatchResult &Result);
>> 
>> private:
>> -  clang::tooling::Replacements &Replace;
>>  unsigned &AcceptedChanges;
>>  UserMacroNames UserNullMacros;
>> -  const Transform &Owner;
>> +  Transform &Owner;
>> };
>> 
>> #endif // CPP11_MIGRATE_NULLPTR_ACTIONS_H
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.cpp Fri Aug 30 14:28:59 2013
>> @@ -24,7 +24,7 @@ using clang::ast_matchers::MatchFinder;
>> using namespace clang::tooling;
>> using namespace clang;
>> 
>> -int UseNullptrTransform::apply(FileOverrides &InputStates,
>> +int UseNullptrTransform::apply(const FileOverrides &InputStates,
>>                               const CompilationDatabase &Database,
>>                               const std::vector<std::string> &SourcePaths) {
>>  ClangTool UseNullptrTool(Database, SourcePaths);
>> @@ -32,8 +32,7 @@ int UseNullptrTransform::apply(FileOverr
>>  unsigned AcceptedChanges = 0;
>> 
>>  MatchFinder Finder;
>> -  NullptrFixer Fixer(getReplacements(), AcceptedChanges, Options().MaxRiskLevel,
>> -                     /*Owner=*/ *this);
>> +  NullptrFixer Fixer(AcceptedChanges, Options().MaxRiskLevel, /*Owner=*/ *this);
>> 
>>  Finder.addMatcher(makeCastSequenceMatcher(), &Fixer);
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.h?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.h (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/UseNullptr/UseNullptr.h Fri Aug 30 14:28:59 2013
>> @@ -28,7 +28,7 @@ public:
>>      : Transform("UseNullptr", Options) {}
>> 
>>  /// \see Transform::run().
>> -  virtual int apply(FileOverrides &InputStates,
>> +  virtual int apply(const FileOverrides &InputStates,
>>                    const clang::tooling::CompilationDatabase &Database,
>>                    const std::vector<std::string> &SourcePaths) LLVM_OVERRIDE;
>> };
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/tool/CMakeLists.txt
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/tool/CMakeLists.txt?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/tool/CMakeLists.txt (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/tool/CMakeLists.txt Fri Aug 30 14:28:59 2013
>> @@ -34,6 +34,7 @@ add_dependencies(cpp11-migrate
>>  )
>> 
>> target_link_libraries(cpp11-migrate
>> +  clangReplace
>>  migrateCore
>>  )
>> 
>> 
>> Modified: clang-tools-extra/trunk/cpp11-migrate/tool/Cpp11Migrate.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/cpp11-migrate/tool/Cpp11Migrate.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/cpp11-migrate/tool/Cpp11Migrate.cpp (original)
>> +++ clang-tools-extra/trunk/cpp11-migrate/tool/Cpp11Migrate.cpp Fri Aug 30 14:28:59 2013
>> @@ -21,9 +21,14 @@
>> #include "Core/Transform.h"
>> #include "Core/Transforms.h"
>> #include "Core/Reformatting.h"
>> +#include "clang/Basic/Diagnostic.h"
>> +#include "clang/Basic/DiagnosticOptions.h"
>> +#include "clang/Basic/SourceManager.h"
>> #include "clang/Frontend/FrontendActions.h"
>> +#include "clang/Rewrite/Core/Rewriter.h"
>> #include "clang/Tooling/CommonOptionsParser.h"
>> #include "clang/Tooling/Tooling.h"
>> +#include "clang-replace/Tooling/ApplyReplacements.h"
>> #include "llvm/ADT/STLExtras.h"
>> #include "llvm/ADT/StringSwitch.h"
>> #include "llvm/Support/MemoryBuffer.h"
>> @@ -122,12 +127,12 @@ static cl::opt<bool, /*ExternalStorage=*
>>    cl::location(GlobalOptions.EnableHeaderModifications),
>>    cl::init(false));
>> 
>> -static cl::opt<bool> YAMLOnly("yaml-only",
>> -                              cl::Hidden, // Associated with -headers
>> -                              cl::desc("Don't change headers on disk. Write "
>> -                                       "changes to change description files "
>> -                                       "only."),
>> -                              cl::init(false));
>> +static cl::opt<bool>
>> +SerializeReplacements("serialize-replacements",
>> +                      cl::Hidden, // Associated with -headers
>> +                      cl::desc("Serialize translation unit replacements to "
>> +                               "disk instead of changing files."),
>> +                      cl::init(false));
>> 
>> cl::opt<std::string> SupportedCompilers(
>>    "for-compilers", cl::value_desc("string"),
>> @@ -225,6 +230,68 @@ static Reformatter *handleFormatStyle(co
>>  return 0;
>> }
>> 
>> +/// \brief Use \c ChangesReformatter to reformat all changed regions of all
>> +/// files stored in \c Overrides and write the result to disk.
>> +///
>> +/// \returns \li true if reformatting replacements were successfully applied
>> +///              without conflicts and all files were successfully written to
>> +///              disk.
>> +///          \li false if reformatting could not be successfully applied or
>> +///              if at least one file failed to write to disk.
>> +bool reformat(Reformatter &ChangesReformatter, const FileOverrides &Overrides,
>> +              DiagnosticsEngine &Diagnostics) {
>> +  FileManager Files((FileSystemOptions()));
>> +  SourceManager SM(Diagnostics, Files);
>> +
>> +  replace::TUReplacements AllReplacements(1);
>> +  ChangesReformatter.reformatChanges(Overrides, SM,
>> +                                     AllReplacements.front().Replacements);
>> +
>> +  replace::FileToReplacementsMap GroupedReplacements;
>> +  if (!replace::mergeAndDeduplicate(AllReplacements, GroupedReplacements, SM)) {
>> +    llvm::errs() << "Warning: Reformatting produced conflicts.\n";
>> +    return false;
>> +  }
>> +
>> +  Rewriter DestRewriter(SM, LangOptions());
>> +  if (!replace::applyReplacements(GroupedReplacements, DestRewriter)) {
>> +    llvm::errs() << "Warning: Failed to apply reformatting conflicts!\n";
>> +    return false;
>> +  }
>> +
>> +  return replace::writeFiles(DestRewriter);
>> +}
>> +
>> +bool serializeReplacements(const replace::TUReplacements &Replacements) {
>> +  bool Errors = false;
>> +  for (replace::TUReplacements::const_iterator I = Replacements.begin(),
>> +                                               E = Replacements.end();
>> +       I != E; ++I) {
>> +    llvm::SmallString<128> ReplacementsFileName;
>> +    llvm::SmallString<64> Error;
>> +    bool Result = generateReplacementsFileName(I->MainSourceFile,
>> +                                               ReplacementsFileName, Error);
>> +    if (!Result) {
>> +      llvm::errs() << "Failed to generate replacements filename:" << Error
>> +                   << "\n";
>> +      Errors = true;
>> +      continue;
>> +    }
>> +
>> +    std::string ErrorInfo;
>> +    llvm::raw_fd_ostream ReplacementsFile(ReplacementsFileName.c_str(),
>> +                                          ErrorInfo, llvm::sys::fs::F_Binary);
>> +    if (!ErrorInfo.empty()) {
>> +      llvm::errs() << "Error opening file: " << ErrorInfo << "\n";
>> +      Errors = true;
>> +      continue;
>> +    }
>> +    llvm::yaml::Output YAML(ReplacementsFile);
>> +    YAML << const_cast<TranslationUnitReplacements &>(*I);
>> +  }
>> +  return !Errors;
>> +}
>> +
>> int main(int argc, const char **argv) {
>>  llvm::sys::PrintStackTraceOnErrorSignal();
>>  Transforms TransformManager;
>> @@ -280,6 +347,15 @@ int main(int argc, const char **argv) {
>> 
>>  TransformManager.createSelectedTransforms(GlobalOptions, RequiredVersions);
>> 
>> +  llvm::IntrusiveRefCntPtr<clang::DiagnosticOptions> DiagOpts(
>> +      new DiagnosticOptions());
>> +  DiagnosticsEngine Diagnostics(
>> +      llvm::IntrusiveRefCntPtr<DiagnosticIDs>(new DiagnosticIDs()),
>> +      DiagOpts.getPtr());
>> +
>> +  // FIXME: Make this DiagnosticsEngine available to all Transforms probably via
>> +  // GlobalOptions.
>> +
>>  if (TransformManager.begin() == TransformManager.end()) {
>>    if (SupportedCompilers.empty())
>>      llvm::errs() << argv[0] << ": no selected transforms\n";
>> @@ -289,21 +365,22 @@ int main(int argc, const char **argv) {
>>    return 1;
>>  }
>> 
>> -  if (std::distance(TransformManager.begin(), TransformManager.end()) > 1 &&
>> -      YAMLOnly) {
>> -    llvm::errs() << "Header change description files requested for multiple "
>> +  // If SerializeReplacements is requested, then change reformatting must be
>> +  // turned off and only one transform should be requested. Reformatting is
>> +  // basically another transform so even if there's only one other transform,
>> +  // the reformatting pass would make two.
>> +  if (SerializeReplacements &&
>> +      (std::distance(TransformManager.begin(), TransformManager.end()) > 1 ||
>> +       ChangesReformatter)) {
>> +    llvm::errs() << "Serialization of replacements requested for multiple "
>>                    "transforms.\nChanges from only one transform can be "
>> -                    "recorded in a change description file.\n";
>> +                    "serialized.\n";
>>    return 1;
>>  }
>> 
>> -  // if reformatting is enabled we wants to track file changes so that it's
>> -  // possible to reformat them.
>> -  bool TrackReplacements = static_cast<bool>(ChangesReformatter);
>> -  FileOverrides FileStates(TrackReplacements);
>>  SourcePerfData PerfData;
>> +  FileOverrides FileStates;
>> 
>> -  // Apply transforms.
>>  for (Transforms::const_iterator I = TransformManager.begin(),
>>                                  E = TransformManager.end();
>>       I != E; ++I) {
>> @@ -326,79 +403,67 @@ int main(int argc, const char **argv) {
>>      }
>>      llvm::outs() << "\n";
>>    }
>> -  }
>> 
>> -  // Reformat changes if a reformatter is provided.
>> -  if (ChangesReformatter)
>> -    for (FileOverrides::const_iterator I = FileStates.begin(),
>> -                                       E = FileStates.end();
>> -         I != E; ++I) {
>> -      SourceOverrides &Overrides = *I->second;
>> -      ChangesReformatter->reformatChanges(Overrides);
>> +    // Collect all TranslationUnitReplacements generated from the translation
>> +    // units the transform worked on and store them in AllReplacements.
>> +    replace::TUReplacements AllReplacements;
>> +    const TUReplacementsMap &ReplacementsMap = T->getAllReplacements();
>> +    const TranslationUnitReplacements &(
>> +        TUReplacementsMap::value_type::*getValue)() const =
>> +        &TUReplacementsMap::value_type::getValue;
>> +    std::transform(ReplacementsMap.begin(), ReplacementsMap.end(),
>> +                   std::back_inserter(AllReplacements),
>> +                   std::mem_fun_ref(getValue));
>> +
>> +    if (SerializeReplacements)
>> +      serializeReplacements(AllReplacements);
>> +
>> +    FileManager Files((FileSystemOptions()));
>> +    SourceManager SM(Diagnostics, Files);
>> +
>> +    // Make sure SourceManager is updated to have the same initial state as the
>> +    // transforms.
>> +    FileStates.applyOverrides(SM);
>> +
>> +    replace::FileToReplacementsMap GroupedReplacements;
>> +    if (!replace::mergeAndDeduplicate(AllReplacements, GroupedReplacements,
>> +                                      SM)) {
>> +      llvm::outs() << "Transform " << T->getName()
>> +                   << " resulted in conflicts. Discarding all "
>> +                   << "replacements.\n";
>> +      continue;
>> +    }
>> +
>> +    // Apply replacements and update FileStates with new state.
>> +    Rewriter DestRewriter(SM, LangOptions());
>> +    if (!replace::applyReplacements(GroupedReplacements, DestRewriter)) {
>> +      llvm::outs() << "Some replacements failed to apply. Discarding "
>> +                      "all replacements.\n";
>> +      continue;
>>    }
>> 
>> +    // Update contents of files in memory to serve as initial state for next
>> +    // transform.
>> +    FileStates.updateState(DestRewriter);
>> +
>> +    // Update changed ranges for reformatting
>> +    if (ChangesReformatter)
>> +      FileStates.adjustChangedRanges(GroupedReplacements);
>> +  }
>> +
>> +  // Skip writing final file states to disk if we were asked to serialize
>> +  // replacements. Otherwise reformat changes if reformatting is enabled. If
>> +  // not enabled or if reformatting fails write un-formated changes to disk
>> +  // instead. reformat() takes care of writing successfully formatted changes.
>> +  if (!SerializeReplacements &&
>> +      (!ChangesReformatter ||
>> +       !reformat(*ChangesReformatter, FileStates, Diagnostics)))
>> +    FileStates.writeToDisk(Diagnostics);
>> +
>>  if (FinalSyntaxCheck)
>>    if (!doSyntaxCheck(*Compilations, SourcePaths, FileStates))
>>      return 1;
>> 
>> -  // Write results to file.
>> -  for (FileOverrides::const_iterator I = FileStates.begin(),
>> -                                     E = FileStates.end();
>> -       I != E; ++I) {
>> -    const SourceOverrides &Overrides = *I->second;
>> -    if (Overrides.isSourceOverriden()) {
>> -      std::string ErrorInfo;
>> -      std::string MainFileName = I->getKey();
>> -      llvm::raw_fd_ostream FileStream(MainFileName.c_str(), ErrorInfo,
>> -                                      llvm::sys::fs::F_Binary);
>> -      FileStream << Overrides.getMainFileContent();
>> -    }
>> -
>> -    for (HeaderOverrides::const_iterator HeaderI = Overrides.headers_begin(),
>> -                                         HeaderE = Overrides.headers_end();
>> -         HeaderI != HeaderE; ++HeaderI) {
>> -      std::string ErrorInfo;
>> -      if (YAMLOnly) {
>> -        // Replacements for header files need to be written in a YAML file for
>> -        // every transform and will be merged together with an external tool.
>> -        llvm::SmallString<128> ReplacementsHeaderName;
>> -        llvm::SmallString<64> Error;
>> -        bool Result =
>> -            generateReplacementsFileName(I->getKey(), HeaderI->getKey().data(),
>> -                                         ReplacementsHeaderName, Error);
>> -        if (!Result) {
>> -          llvm::errs() << "Failed to generate replacements filename:" << Error
>> -                       << "\n";
>> -          continue;
>> -        }
>> -
>> -        llvm::raw_fd_ostream ReplacementsFile(
>> -            ReplacementsHeaderName.c_str(), ErrorInfo, llvm::sys::fs::F_Binary);
>> -        if (!ErrorInfo.empty()) {
>> -          llvm::errs() << "Error opening file: " << ErrorInfo << "\n";
>> -          continue;
>> -        }
>> -        llvm::yaml::Output YAML(ReplacementsFile);
>> -        YAML << const_cast<TranslationUnitReplacements &>(
>> -                    HeaderI->getValue().getReplacements());
>> -      } else {
>> -        // If -yaml-only was not specified, then change headers on disk.
>> -        // FIXME: This is transitional behaviour. Remove this functionality
>> -        // when header change description tool is ready.
>> -        assert(!HeaderI->second.getContentOverride().empty() &&
>> -               "A header override should not be empty");
>> -        std::string HeaderFileName = HeaderI->getKey();
>> -        llvm::raw_fd_ostream HeaderStream(HeaderFileName.c_str(), ErrorInfo,
>> -                                          llvm::sys::fs::F_Binary);
>> -        if (!ErrorInfo.empty()) {
>> -          llvm::errs() << "Error opening file: " << ErrorInfo << "\n";
>> -          continue;
>> -        }
>> -        HeaderStream << HeaderI->second.getContentOverride();
>> -      }
>> -    }
>> -  }
>> -
>>  // Report execution times.
>>  if (GlobalOptions.EnableTiming && !PerfData.empty()) {
>>    std::string DirectoryName = TimingDirectoryName;
>> 
>> Added: clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/Inputs/no_yaml.h
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/Inputs/no_yaml.h?rev=189689&view=auto
>> ==============================================================================
>> --- clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/Inputs/no_yaml.h (added)
>> +++ clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/Inputs/no_yaml.h Fri Aug 30 14:28:59 2013
>> @@ -0,0 +1,8 @@
>> +void update(int (&arr)[10]) {
>> +  int val = 1;
>> +  for (unsigned i = 0; i < sizeof(arr)/sizeof(int); ++i) {
>> +    arr[i] = val++;
>> +    // CHECK: for (auto & elem : arr) {
>> +    // CHECK-NEXT: elem = val++;
>> +  }
>> +}
>> 
>> Removed: clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common.h.yaml
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common.h.yaml?rev=189688&view=auto
>> ==============================================================================
>> --- clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common.h.yaml (original)
>> +++ clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common.h.yaml (removed)
>> @@ -1,12 +0,0 @@
>> ----
>> -MainSourceFile:      "$(path)/main.cpp"
>> -Replacements:
>> -  - FilePath:        "$(path)/common.h"
>> -    Offset:          432
>> -    Length:          61
>> -    ReplacementText: "(auto & elem : C)"
>> -  - FilePath:       "$(path)/common.h"
>> -    Offset:          506
>> -    Length:          2
>> -    ReplacementText: "elem"
>> -...
>> 
>> Added: clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common_expected.yaml
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common_expected.yaml?rev=189689&view=auto
>> ==============================================================================
>> --- clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common_expected.yaml (added)
>> +++ clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/common_expected.yaml Fri Aug 30 14:28:59 2013
>> @@ -0,0 +1,20 @@
>> +---
>> +MainSourceFile:  "$(path)/common.cpp"
>> +Replacements:    
>> +  - FilePath:        "$(path)/common.h"
>> +    Offset:          506
>> +    Length:          2
>> +    ReplacementText: "elem"
>> +  - FilePath:        "$(path)/common.h"
>> +    Offset:          432
>> +    Length:          61
>> +    ReplacementText: "(auto & elem : C)"
>> +  - FilePath:        "$(path)/common.cpp"
>> +    Offset:          289
>> +    Length:          2
>> +    ReplacementText: "elem"
>> +  - FilePath:        "$(path)/common.cpp"
>> +    Offset:          206
>> +    Length:          63
>> +    ReplacementText: "(auto & elem : C1)"
>> +...
>> 
>> Modified: clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main.cpp (original)
>> +++ clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main.cpp Fri Aug 30 14:28:59 2013
>> @@ -1,44 +1,30 @@
>> // The following block tests the following:
>> -//   - Only 1 file is generated per translation unit and header file
>> +//   - Only 1 file is generated per translation unit
>> //   - Replacements are written in YAML that matches the expected YAML file
>> -// RUN: rm -rf %t/Test
>> -// RUN: mkdir -p %t/Test
>> -// RUN: cp %S/main.cpp %S/common.cpp %S/common.h %t/Test
>> -// RUN: cpp11-migrate -loop-convert -headers -yaml-only -include=%t/Test %t/Test/main.cpp %t/Test/common.cpp --
>> -// Check that only 1 file is generated per translation unit and header file.
>> -// RUN: ls -1 %t/Test | FileCheck %s --check-prefix=MAIN_CPP
>> -// RUN: ls -1 %t/Test | FileCheck %s --check-prefix=COMMON_CPP
>> -// RUN: cp %S/common.h.yaml %t/Test/main.cpp_common.h.yaml
>> -// We need to put the build path to the expected YAML file to diff against the generated one.
>> -// RUN: sed -e 's#$(path)#%/t/Test#g' %S/common.h.yaml > %t/Test/main.cpp_common.h.yaml
>> -// RUN: sed -i -e 's#\\#/#g' %t/Test/main.cpp_common.h_*.yaml
>> -// RUN: diff -b %t/Test/main.cpp_common.h.yaml %t/Test/main.cpp_common.h_*.yaml
>> -// RUN: sed -e 's#$(path)#%/t/Test#g' -e 's#main.cpp"#common.cpp"#g' %S/common.h.yaml > %t/Test/common.cpp_common.h.yaml
>> -// RUN: sed -i -e 's#\\#/#g' %t/Test/common.cpp_common.h_*.yaml
>> -// RUN: diff -b %t/Test/common.cpp_common.h.yaml %t/Test/common.cpp_common.h_*.yaml
>> +// The test is run in %T/SerializeTest so it's easy to create a clean test
>> +// directory.
>> //
>> -// The following block tests the following:
>> -//   - YAML files are written only when -headers is used
>> -// RUN: rm -rf %t/Test
>> -// RUN: mkdir -p %t/Test
>> -// RUN: cp %S/main.cpp %S/common.cpp %S/common.h %t/Test
>> -// RUN: cpp11-migrate -loop-convert -headers -yaml-only -include=%t/Test %t/Test/main.cpp --
>> -// RUN: cpp11-migrate -loop-convert %t/Test/common.cpp --
>> -// Check that only one YAML file is generated from main.cpp and common.h and not from common.cpp and common.h since -header is not specified
>> -// RUN: ls -1 %t/Test | FileCheck %s --check-prefix=MAIN_CPP
>> -// RUN: ls -1 %t/Test | FileCheck %s --check-prefix=NO_COMMON
>> +// RUN: rm -rf %T/SerializeTest
>> +// RUN: mkdir -p %T/SerializeTest
>> +// RUN: cp %S/main.cpp %S/common.cpp %S/common.h %T/SerializeTest
>> +// RUN: cpp11-migrate -loop-convert -headers -serialize-replacements -include=%T/SerializeTest %T/SerializeTest/main.cpp %T/SerializeTest/common.cpp --
>> +// Check that only 1 file is generated per translation unit
>> +// RUN: ls -1 %T/SerializeTest | FileCheck %s --check-prefix=MAIN_CPP
>> +// RUN: ls -1 %T/SerializeTest | FileCheck %s --check-prefix=COMMON_CPP
>> // We need to put the build path to the expected YAML file to diff against the generated one.
>> -// RUN: sed -e 's#$(path)#%/t/Test#g' %S/common.h.yaml > %t/Test/main.cpp_common.h.yaml
>> -// RUN: sed -i -e 's#\\#/#g' %t/Test/main.cpp_common.h_*.yaml
>> -// RUN: diff -b %t/Test/main.cpp_common.h.yaml %t/Test/main.cpp_common.h_*.yaml
>> -//
>> -// MAIN_CPP: {{^main.cpp_common.h_.*.yaml$}}
>> -// MAIN_CPP-NOT: {{main.cpp_common.h_.*.yaml}}
>> +// RUN: sed -e 's#$(path)#%/T/SerializeTest#g' %S/main_expected.yaml > %T/SerializeTest/main_expected.yaml
>> +// RUN: sed -i -e 's#\\#/#g' %T/SerializeTest/main.cpp_*.yaml
>> +// RUN: diff -b %T/SerializeTest/main_expected.yaml %T/SerializeTest/main.cpp_*.yaml
>> +// RUN: sed -e 's#$(path)#%/T/SerializeTest#g' %S/common_expected.yaml > %T/SerializeTest/common_expected.yaml
>> +// RUN: sed -i -e 's#\\#/#g' %T/SerializeTest/common.cpp_*.yaml
>> +// RUN: diff -b %T/SerializeTest/common_expected.yaml %T/SerializeTest/common.cpp_*.yaml
>> //
>> -// COMMON_CPP:     {{^common.cpp_common.h_.*.yaml$}}
>> -// COMMON_CPP-NOT: {{common.cpp_common.h_.*.yaml}}
>> +// The following are for FileCheck when used on output of 'ls'. See above.
>> +// MAIN_CPP: {{^main.cpp_.*.yaml$}}
>> +// MAIN_CPP-NOT: {{main.cpp_.*.yaml}}
>> //
>> -// NO_COMMON-NOT: {{common.cpp_common.h_.*.yaml}}
>> +// COMMON_CPP:     {{^common.cpp_.*.yaml$}}
>> +// COMMON_CPP-NOT: {{common.cpp_.*.yaml}}
>> 
>> #include "common.h"
>> 
>> 
>> Added: clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main_expected.yaml
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main_expected.yaml?rev=189689&view=auto
>> ==============================================================================
>> --- clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main_expected.yaml (added)
>> +++ clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/main_expected.yaml Fri Aug 30 14:28:59 2013
>> @@ -0,0 +1,12 @@
>> +---
>> +MainSourceFile:      "$(path)/main.cpp"
>> +Replacements:
>> +  - FilePath:        "$(path)/common.h"
>> +    Offset:          506
>> +    Length:          2
>> +    ReplacementText: "elem"
>> +  - FilePath:        "$(path)/common.h"
>> +    Offset:          432
>> +    Length:          61
>> +    ReplacementText: "(auto & elem : C)"
>> +...
>> 
>> Added: clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/no_yaml.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/no_yaml.cpp?rev=189689&view=auto
>> ==============================================================================
>> --- clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/no_yaml.cpp (added)
>> +++ clang-tools-extra/trunk/test/cpp11-migrate/HeaderReplacements/no_yaml.cpp Fri Aug 30 14:28:59 2013
>> @@ -0,0 +1,24 @@
>> +// Ensure that if -serialize-replacements is not provided, no serialized
>> +// replacement files should be generated and the changes are made directly.
>> +//
>> +// RUN: mkdir -p %T/Inputs
>> +// RUN: grep -Ev "// *[A-Z-]+:" %s > %t.cpp
>> +// RUN: grep -Ev "// *[A-Z-]+:" %S/Inputs/no_yaml.h > %T/Inputs/no_yaml.h
>> +// RUN: cpp11-migrate -loop-convert %t.cpp -headers -include=%T/Inputs -- -I %T/Inputs/no_yaml.h
>> +// RUN: FileCheck --input-file=%t.cpp %s
>> +// RUN: FileCheck --input-file=%T/Inputs/no_yaml.h %S/Inputs/no_yaml.h
>> +// RUN: ls -1 %T | FileCheck %s --check-prefix=NO_YAML
>> +//
>> +// NO_YAML-NOT: {{no_yaml.cpp_.*.yaml}}
>> +#include "Inputs/no_yaml.h"
>> +
>> +void func() {
>> +  int arr[10];
>> +  for (unsigned i = 0; i < sizeof(arr)/sizeof(int); ++i) {
>> +    arr[i] = 0;
>> +    // CHECK: for (auto & elem : arr) {
>> +    // CHECK-NEXT: elem = 0;
>> +  }
>> +
>> +  update(arr);
>> +}
>> 
>> Modified: clang-tools-extra/trunk/unittests/cpp11-migrate/CMakeLists.txt
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/unittests/cpp11-migrate/CMakeLists.txt?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/unittests/cpp11-migrate/CMakeLists.txt (original)
>> +++ clang-tools-extra/trunk/unittests/cpp11-migrate/CMakeLists.txt Fri Aug 30 14:28:59 2013
>> @@ -1,26 +1,31 @@
>> -set(LLVM_LINK_COMPONENTS
>> -  support
>> -  )
>> -
>> -get_filename_component(CPP11_MIGRATE_SOURCE_DIR
>> -  ${CMAKE_CURRENT_SOURCE_DIR}/../../cpp11-migrate REALPATH)
>> -include_directories(${CPP11_MIGRATE_SOURCE_DIR})
>> -
>> -add_extra_unittest(Cpp11MigrateTests
>> -  FileOverridesTest.cpp
>> -  ReformattingTest.cpp
>> -  IncludeExcludeTest.cpp
>> -  PerfSupportTest.cpp
>> -  TransformTest.cpp
>> -  UniqueHeaderNameTest.cpp
>> -  IncludeDirectivesTest.cpp
>> -  )
>> -
>> -target_link_libraries(Cpp11MigrateTests
>> -  migrateCore
>> -  clangFormat
>> -  clangTooling
>> -  clangBasic
>> -  clangASTMatchers
>> -  clangRewriteFrontend
>> -  )
>> +set(LLVM_LINK_COMPONENTS
>> +  support
>> +  )
>> +
>> +get_filename_component(CPP11_MIGRATE_SOURCE_DIR
>> +  ${CMAKE_CURRENT_SOURCE_DIR}/../../cpp11-migrate REALPATH)
>> +get_filename_component(ClangReplaceLocation
>> +  "${CMAKE_CURRENT_SOURCE_DIR}/../../clang-replace/include" REALPATH)
>> +include_directories(
>> +  ${CPP11_MIGRATE_SOURCE_DIR}
>> +  ${ClangReplaceLocation}
>> +  )
>> +
>> +add_extra_unittest(Cpp11MigrateTests
>> +  FileOverridesTest.cpp
>> +  ReformattingTest.cpp
>> +  IncludeExcludeTest.cpp
>> +  PerfSupportTest.cpp
>> +  TransformTest.cpp
>> +  UniqueHeaderNameTest.cpp
>> +  IncludeDirectivesTest.cpp
>> +  )
>> +
>> +target_link_libraries(Cpp11MigrateTests
>> +  migrateCore
>> +  clangFormat
>> +  clangTooling
>> +  clangBasic
>> +  clangASTMatchers
>> +  clangRewriteFrontend
>> +  )
>> 
>> Modified: clang-tools-extra/trunk/unittests/cpp11-migrate/FileOverridesTest.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/unittests/cpp11-migrate/FileOverridesTest.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/unittests/cpp11-migrate/FileOverridesTest.cpp (original)
>> +++ clang-tools-extra/trunk/unittests/cpp11-migrate/FileOverridesTest.cpp Fri Aug 30 14:28:59 2013
>> @@ -8,56 +8,34 @@
>> //===----------------------------------------------------------------------===//
>> 
>> #include "Core/FileOverrides.h"
>> +#include "Core/Refactoring.h"
>> #include "gtest/gtest.h"
>> #include "VirtualFileHelper.h"
>> +#include "clang/Rewrite/Core/Rewriter.h"
>> 
>> using namespace clang;
>> using namespace clang::tooling;
>> 
>> -TEST(SourceOverridesTest, Interface) {
>> -  llvm::StringRef FileName = "<test-file>";
>> -  VirtualFileHelper VFHelper;
>> -  VFHelper.mapFile(
>> -      FileName,
>> -      "std::vector<such_a_long_name_for_a_type>::const_iterator long_type =\n"
>> -      "    vec.begin();\n");
>> -  SourceOverrides Overrides(FileName, /*TrackFileChanges=*/false);
>> -
>> -  EXPECT_EQ(FileName, Overrides.getMainFileName());
>> -  EXPECT_FALSE(Overrides.isSourceOverriden());
>> -  EXPECT_FALSE(Overrides.isTrackingFileChanges());
>> -
>> -  Replacements Replaces;
>> -  unsigned ReplacementLength =
>> -      strlen("std::vector<such_a_long_name_for_a_type>::const_iterator");
>> -  Replaces.insert(
>> -      Replacement(FileName, 0, ReplacementLength, "auto"));
>> -  Overrides.applyReplacements(Replaces, VFHelper.getNewSourceManager());
>> -  EXPECT_TRUE(Overrides.isSourceOverriden());
>> -
>> -  std::string ExpectedContent = "auto long_type =\n"
>> -                                "    vec.begin();\n";
>> -  EXPECT_EQ(ExpectedContent, Overrides.getMainFileContent());
>> -}
>> -
>> -namespace {
>> -Replacement makeReplacement(unsigned Offset, unsigned Length,
>> -                            unsigned ReplacementLength) {
>> -  return Replacement("", Offset, Length, std::string(ReplacementLength, '~'));
>> +static Replacement makeReplacement(unsigned Offset, unsigned Length,
>> +                                   unsigned ReplacementLength,
>> +                                   llvm::StringRef FilePath) {
>> +  return Replacement(FilePath, Offset, Length,
>> +                     std::string(ReplacementLength, '~'));
>> }
>> 
>> // generate a set of replacements containing one element
>> -Replacements makeReplacements(unsigned Offset, unsigned Length,
>> -                              unsigned ReplacementLength) {
>> -  Replacements Replaces;
>> -  Replaces.insert(makeReplacement(Offset, Length, ReplacementLength));
>> +static ReplacementsVec makeReplacements(unsigned Offset, unsigned Length,
>> +                                        unsigned ReplacementLength,
>> +                                        llvm::StringRef FilePath = "~") {
>> +  ReplacementsVec Replaces;
>> +  Replaces.push_back(
>> +      makeReplacement(Offset, Length, ReplacementLength, FilePath));
>>  return Replaces;
>> }
>> 
>> -bool equalRanges(Range A, Range B) {
>> +static bool equalRanges(Range A, Range B) {
>>  return A.getOffset() == B.getOffset() && A.getLength() == B.getLength();
>> }
>> -} // end anonymous namespace
>> 
>> TEST(ChangedRangesTest, adjustChangedRangesShrink) {
>>  ChangedRanges Changes;
>> @@ -139,3 +117,71 @@ TEST(ChangedRangesTest, adjustChangedRan
>>  EXPECT_TRUE(
>>      std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
>> }
>> +
>> +TEST(FileOverridesTest, applyOverrides) {
>> +
>> +  // Set up initial state
>> +  VirtualFileHelper VFHelper;
>> +
>> +  SmallString<128> fileAPath("fileA.cpp");
>> +  ASSERT_FALSE(llvm::sys::fs::make_absolute(fileAPath));
>> +  SmallString<128> fileBPath("fileB.cpp");
>> +  ASSERT_FALSE(llvm::sys::fs::make_absolute(fileBPath));
>> +  VFHelper.mapFile(fileAPath, "Content A");
>> +  VFHelper.mapFile(fileBPath, "Content B");
>> +  SourceManager &SM = VFHelper.getNewSourceManager();
>> +
>> +  // Fill a Rewriter with changes
>> +  Rewriter Rewrites(SM, LangOptions());
>> +  ReplacementsVec R(1, Replacement(fileAPath, 0, 7, "Stuff"));
>> +  ASSERT_TRUE(applyAllReplacements(R, Rewrites));
>> +
>> +  FileOverrides Overrides;
>> +  Overrides.updateState(Rewrites);
>> +  
>> +  const FileOverrides::FileStateMap &State = Overrides.getState();
>> +  
>> +  // Ensure state updated
>> +  ASSERT_TRUE(State.end() == State.find(fileBPath));
>> +  ASSERT_TRUE(State.begin() == State.find(fileAPath));
>> +  ASSERT_EQ("Stuff A", State.begin()->getValue());
>> +
>> +  Overrides.applyOverrides(SM);
>> +
>> +  const FileEntry *EntryA = SM.getFileManager().getFile(fileAPath);
>> +  FileID IdA = SM.translateFile(EntryA);
>> +  ASSERT_FALSE(IdA.isInvalid());
>> +
>> +  // Ensure the contents of the buffer matches what we'd expect.
>> +  const llvm::MemoryBuffer *BufferA = SM.getBuffer(IdA);
>> +  ASSERT_FALSE(0 == BufferA);
>> +  ASSERT_EQ("Stuff A", BufferA->getBuffer());
>> +}
>> +
>> +TEST(FileOverridesTest, adjustChangedRanges) {
>> +  SmallString<128> fileAPath("fileA.cpp");
>> +  ASSERT_FALSE(llvm::sys::fs::make_absolute(fileAPath));
>> +  SmallString<128> fileBPath("fileB.cpp");
>> +  ASSERT_FALSE(llvm::sys::fs::make_absolute(fileBPath));
>> +
>> +  replace::FileToReplacementsMap GroupedReplacements;
>> +  GroupedReplacements[fileAPath] = makeReplacements(0, 5, 4, fileAPath);
>> +  GroupedReplacements[fileBPath] = makeReplacements(10, 0, 6, fileBPath);
>> +
>> +  FileOverrides Overrides;
>> +
>> +  const FileOverrides::ChangeMap &Map = Overrides.getChangedRanges();
>> +
>> +  ASSERT_TRUE(Map.empty());
>> +
>> +  Overrides.adjustChangedRanges(GroupedReplacements);
>> +
>> +  ASSERT_TRUE(Map.end() != Map.find(fileAPath));
>> +  ASSERT_TRUE(Map.end() != Map.find(fileBPath));
>> +  const Range &RA = *Map.find(fileAPath)->second.begin();
>> +  EXPECT_EQ(0u, RA.getOffset());
>> +  EXPECT_EQ(4u, RA.getLength());
>> +  const Range &RB = *Map.find(fileBPath)->second.begin();
>> +  EXPECT_EQ(10u, RB.getOffset());
>> +  EXPECT_EQ(6u, RB.getLength());
>> +}
>> 
>> Modified: clang-tools-extra/trunk/unittests/cpp11-migrate/PerfSupportTest.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/unittests/cpp11-migrate/PerfSupportTest.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/unittests/cpp11-migrate/PerfSupportTest.cpp (original)
>> +++ clang-tools-extra/trunk/unittests/cpp11-migrate/PerfSupportTest.cpp Fri Aug 30 14:28:59 2013
>> @@ -18,7 +18,7 @@ public:
>>  TransformA(const TransformOptions &Options)
>>      : Transform("TransformA", Options) {}
>> 
>> -  virtual int apply(FileOverrides &,
>> +  virtual int apply(const FileOverrides &,
>>                    const tooling::CompilationDatabase &,
>>                    const std::vector<std::string> &) {
>>    return 0;
>> @@ -34,7 +34,7 @@ public:
>>  TransformB(const TransformOptions &Options)
>>      : Transform("TransformB", Options) {}
>> 
>> -  virtual int apply(FileOverrides &,
>> +  virtual int apply(const FileOverrides &,
>>                    const tooling::CompilationDatabase &,
>>                    const std::vector<std::string> &) {
>>    return 0;
>> 
>> Modified: clang-tools-extra/trunk/unittests/cpp11-migrate/ReformattingTest.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/unittests/cpp11-migrate/ReformattingTest.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/unittests/cpp11-migrate/ReformattingTest.cpp (original)
>> +++ clang-tools-extra/trunk/unittests/cpp11-migrate/ReformattingTest.cpp Fri Aug 30 14:28:59 2013
>> @@ -9,6 +9,7 @@
>> 
>> #include "Core/Reformatting.h"
>> #include "Core/FileOverrides.h"
>> +#include "Core/Refactoring.h"
>> #include "gtest/gtest.h"
>> #include "VirtualFileHelper.h"
>> 
>> @@ -19,9 +20,9 @@ namespace {
>> // convenience function to create a ChangedRanges containing one Range
>> ChangedRanges makeChangedRanges(unsigned Offset, unsigned Length) {
>>  ChangedRanges Changes;
>> -  Replacements Replaces;
>> +  ReplacementsVec Replaces;
>> 
>> -  Replaces.insert(Replacement("", Offset, 0, std::string(Length, '~')));
>> +  Replaces.push_back(Replacement("", Offset, 0, std::string(Length, '~')));
>>  Changes.adjustChangedRanges(Replaces);
>>  return Changes;
>> }
>> @@ -35,16 +36,20 @@ TEST(Reformatter, SingleReformat) {
>> 
>>  Reformatter ChangesReformatter(format::getLLVMStyle());
>>  ChangedRanges Changes = makeChangedRanges(0, 6);
>> -  tooling::Replacements Replaces = ChangesReformatter.reformatSingleFile(
>> -      FileName, Changes, VFHelper.getNewSourceManager());
>> -
>> -  SourceOverrides Overrides(FileName, /*TrackChanges=*/false);
>> -  Overrides.applyReplacements(Replaces, VFHelper.getNewSourceManager());
>> -
>> -  std::string Expected, Result;
>> -
>> -  Expected = "int a;\n"
>> -             "int  b;\n";
>> -  Result = Overrides.getMainFileContent();
>> -  EXPECT_EQ(Expected, Result);
>> +  tooling::ReplacementsVec Replaces;
>> +  ChangesReformatter.reformatSingleFile(
>> +      FileName, Changes, VFHelper.getNewSourceManager(), Replaces);
>> +
>> +  // We expect the code above to reformatted like so:
>> +  //
>> +  // int a;
>> +  // int  b;
>> +  //
>> +  // This test is slightly fragile since there's more than one Replacement that
>> +  // results in the above change. However, testing the result of applying the
>> +  // replacement is more trouble than it's worth in this context.
>> +  ASSERT_EQ(1u, Replaces.size());
>> +  EXPECT_EQ(3u, Replaces[0].getOffset());
>> +  EXPECT_EQ(2u, Replaces[0].getLength());
>> +  EXPECT_EQ(" ", Replaces[0].getReplacementText());
>> }
>> 
>> Modified: clang-tools-extra/trunk/unittests/cpp11-migrate/TransformTest.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/unittests/cpp11-migrate/TransformTest.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/unittests/cpp11-migrate/TransformTest.cpp (original)
>> +++ clang-tools-extra/trunk/unittests/cpp11-migrate/TransformTest.cpp Fri Aug 30 14:28:59 2013
>> @@ -26,7 +26,7 @@ public:
>>  DummyTransform(llvm::StringRef Name, const TransformOptions &Options)
>>      : Transform(Name, Options) {}
>> 
>> -  virtual int apply(FileOverrides &,
>> +  virtual int apply(const FileOverrides &,
>>                    const tooling::CompilationDatabase &,
>>                    const std::vector<std::string> &) { return 0; }
>> 
>> @@ -161,7 +161,7 @@ TEST(Transform, Timings) {
>> 
>>  // Transform's handle* functions require FileOverrides to be set, even if
>>  // there aren't any.
>> -  FileOverrides Overrides(/*TrackFileChanges=*/false);
>> +  FileOverrides Overrides;
>>  T.setOverrides(Overrides);
>> 
>>  Tool.run(clang::tooling::newFrontendActionFactory(&Factory, &Callbacks));
>> 
>> Modified: clang-tools-extra/trunk/unittests/cpp11-migrate/UniqueHeaderNameTest.cpp
>> URL: http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/unittests/cpp11-migrate/UniqueHeaderNameTest.cpp?rev=189689&r1=189688&r2=189689&view=diff
>> ==============================================================================
>> --- clang-tools-extra/trunk/unittests/cpp11-migrate/UniqueHeaderNameTest.cpp (original)
>> +++ clang-tools-extra/trunk/unittests/cpp11-migrate/UniqueHeaderNameTest.cpp Fri Aug 30 14:28:59 2013
>> @@ -28,34 +28,31 @@ TEST(UniqueHeaderName, testUniqueHeaderN
>>  append(SourceFile, "project/lib/feature.cpp");
>>  native(SourceFile.str().str(), SourceFile);
>> 
>> -  llvm::SmallString<128> HeaderFile(TmpDir);
>> -  append(HeaderFile, "project/include/feature.h");
>> -  native(HeaderFile.str().str(), HeaderFile);
>> -
>> -  llvm::SmallString<128> ExpectedName("^feature.cpp_feature.h_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}.yaml$");
>> -
>> -  llvm::SmallString<128> ActualName;
>> +  llvm::SmallString<128> FullActualPath;
>>  llvm::SmallString<128> Error;
>>  bool Result =
>> -      generateReplacementsFileName(SourceFile, HeaderFile, ActualName, Error);
>> +      generateReplacementsFileName(SourceFile, FullActualPath, Error);
>> 
>>  ASSERT_TRUE(Result);
>>  EXPECT_TRUE(Error.empty());
>> 
>>  // We need to check the directory name and filename separately since on
>>  // Windows, the path separator is '\' which is a regex escape character.
>> -  llvm::SmallString<128> ExpectedHeaderPath =
>> -      llvm::sys::path::parent_path(HeaderFile);
>> -  llvm::SmallString<128> ActualHeaderPath =
>> -      llvm::sys::path::parent_path(ActualName);
>> -  llvm::SmallString<128> ActualHeaderName =
>> -      llvm::sys::path::filename(ActualName);
>> -
>> -  EXPECT_STREQ(ExpectedHeaderPath.c_str(), ActualHeaderPath.c_str());
>> -
>> +  llvm::SmallString<128> ExpectedPath =
>> +      llvm::sys::path::parent_path(SourceFile);
>> +  llvm::SmallString<128> ActualPath =
>> +      llvm::sys::path::parent_path(FullActualPath);
>> +  llvm::SmallString<128> ActualName =
>> +      llvm::sys::path::filename(FullActualPath);
>> +
>> +  EXPECT_STREQ(ExpectedPath.c_str(), ActualPath.c_str());
>> +
>> +  llvm::StringRef ExpectedName =
>> +      "^feature.cpp_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_["
>> +      "0-9a-f]{2}_[0-9a-f]{2}.yaml$";
>>  llvm::Regex R(ExpectedName);
>> -  ASSERT_TRUE(R.match(ActualHeaderName))
>> -      << "ExpectedName: " << ExpectedName.c_str()
>> +  ASSERT_TRUE(R.match(ActualName))
>> +      << "ExpectedName: " << ExpectedName.data()
>>      << "\nActualName: " << ActualName.c_str();
>>  ASSERT_TRUE(Error.empty()) << "Error: " << Error.c_str();
>> }
>> 
>> 
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