void makeCurrent(const Transform& transform)
{
currentIterator =
std::find(absolute.begin(), absolute.end(), transform);
if (currentIterator == absolute.end())
currentIterator = absolute.insert(absolute.end(), transform);
}
void makeCurrentTransform(const Transform& transform)
{
Transforms::iterator oldPosition =
std::find(absoluteTransforms.begin(), absoluteTransforms.end(), transform);
if (oldPosition == absoluteTransforms.end())
absoluteTransforms.push_back(transform);
else
absoluteTransforms.splice(absoluteTransforms.end(), absoluteTransforms, oldPosition);
}
void reset()
{
// Every queue has a base transform that is always the current transform.
// This keeps the code a bit more uniform, and allows the window to
// set a base transform in the main rendering queue.
individual.resize(1);
absolute.resize(1);
currentIterator = absolute.begin();
}
// Custom assignment to ensure valid currentIterator
TransformStack& operator=(const TransformStack &other)
{
individual = other.individual;
absolute = other.absolute;
// Reset our currentIterator to point to the respective element
// in our own 'absolute' transforms by iterating both lists up to
// the other lists' current iterator
currentIterator = absolute.begin();
Transforms::const_iterator otherIterator = other.absolute.begin();
while (otherIterator != other.currentIterator)
++currentIterator, ++otherIterator;
return *this;
}
int main(int argc, const char **argv) {
llvm::sys::PrintStackTraceOnErrorSignal();
Transforms TransformManager;
ReplacementHandling ReplacementHandler;
TransformManager.registerTransforms();
// Hide all options we don't define ourselves. Move pre-defined 'help',
// 'help-list', and 'version' to our general category.
llvm::StringMap<cl::Option*> Options;
cl::getRegisteredOptions(Options);
const cl::OptionCategory **CategoryEnd =
VisibleCategories + llvm::array_lengthof(VisibleCategories);
for (llvm::StringMap<cl::Option *>::iterator I = Options.begin(),
E = Options.end();
I != E; ++I) {
if (I->first() == "help" || I->first() == "version" ||
I->first() == "help-list")
I->second->setCategory(GeneralCategory);
else if (std::find(VisibleCategories, CategoryEnd, I->second->Category) ==
CategoryEnd)
I->second->setHiddenFlag(cl::ReallyHidden);
}
cl::SetVersionPrinter(&printVersion);
// Parse options and generate compilations.
std::unique_ptr<CompilationDatabase> Compilations(
FixedCompilationDatabase::loadFromCommandLine(argc, argv));
cl::ParseCommandLineOptions(argc, argv);
// Populate the ModifiableFiles structure.
GlobalOptions.ModifiableFiles.readListFromString(IncludePaths, ExcludePaths);
GlobalOptions.ModifiableFiles.readListFromFile(IncludeFromFile,
ExcludeFromFile);
if (!Compilations) {
std::string ErrorMessage;
Compilations.reset(autoDetectCompilations(ErrorMessage));
if (!Compilations) {
llvm::errs() << llvm::sys::path::filename(argv[0]) << ": " << ErrorMessage
<< "\n";
return 1;
}
}
// Populate source files.
std::vector<std::string> Sources;
if (!SourcePaths.empty()) {
// Use only files that are not explicitly excluded.
std::remove_copy_if(SourcePaths.begin(), SourcePaths.end(),
std::back_inserter(Sources),
isFileExplicitlyExcludedPredicate);
} else {
if (GlobalOptions.ModifiableFiles.isIncludeListEmpty()) {
llvm::errs() << llvm::sys::path::filename(argv[0])
<< ": Use -include to indicate which files of "
<< "the compilatiion database to transform.\n";
return 1;
}
// Use source paths from the compilation database.
// We only transform files that are explicitly included.
Sources = Compilations->getAllFiles();
std::vector<std::string>::iterator E = std::remove_if(
Sources.begin(), Sources.end(), isFileNotIncludedPredicate);
Sources.erase(E, Sources.end());
}
// check if line ranges are just applyed to single files
if ( !LineRanges.empty() && Sources.size() > 1 ){
llvm::errs() << "error: -line can only be used for single file.\n";
return 1;
}
// add the line ranges to the sources
if ( !LineRanges.empty() ){
}
if (Sources.empty()) {
llvm::errs() << llvm::sys::path::filename(argv[0])
<< ": Could not determine sources to transform.\n";
return 1;
}
// Enable timming.
GlobalOptions.EnableTiming = TimingDirectoryName.getNumOccurrences() > 0;
bool CmdSwitchError = false;
CompilerVersions RequiredVersions =
handleSupportedCompilers(argv[0], CmdSwitchError);
if (CmdSwitchError)
return 1;
TransformManager.createSelectedTransforms(GlobalOptions, RequiredVersions);
if (TransformManager.begin() == TransformManager.end()) {
if (SupportedCompilers.empty())
llvm::errs() << llvm::sys::path::filename(argv[0])
<< ": no selected transforms\n";
else
llvm::errs() << llvm::sys::path::filename(argv[0])
<< ": no transforms available for specified compilers\n";
return 1;
}
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 SerializeReplacements is requested, then code reformatting must be
// turned off and only one transform should be requested.
if (SerializeOnly &&
(std::distance(TransformManager.begin(), TransformManager.end()) > 1 ||
DoFormat)) {
llvm::errs() << "Serialization of replacements requested for multiple "
"transforms.\nChanges from only one transform can be "
"serialized.\n";
return 1;
}
// If we're asked to apply changes to files on disk, need to locate
// clang-apply-replacements.
if (!SerializeOnly) {
if (!ReplacementHandler.findClangApplyReplacements(argv[0])) {
llvm::errs() << "Could not find clang-apply-replacements\n";
return 1;
}
if (DoFormat)
ReplacementHandler.enableFormatting(FormatStyleOpt, FormatStyleConfig);
}
StringRef TempDestinationDir;
if (SerializeLocation.getNumOccurrences() > 0)
ReplacementHandler.setDestinationDir(SerializeLocation);
else
TempDestinationDir = ReplacementHandler.useTempDestinationDir();
SourcePerfData PerfData;
for (Transforms::const_iterator I = TransformManager.begin(),
E = TransformManager.end();
I != E; ++I) {
Transform *T = *I;
if (T->apply(*Compilations, Sources,LineRanges) != 0) {
// FIXME: Improve ClangTool to not abort if just one file fails.
return 1;
}
if (GlobalOptions.EnableTiming)
collectSourcePerfData(*T, PerfData);
if (SummaryMode) {
llvm::outs() << "Transform: " << T->getName()
<< " - Accepted: " << T->getAcceptedChanges();
if (T->getChangesNotMade()) {
llvm::outs() << " - Rejected: " << T->getRejectedChanges()
<< " - Deferred: " << T->getDeferredChanges();
}
llvm::outs() << "\n";
}
if (!ReplacementHandler.serializeReplacements(T->getAllReplacements()))
return 1;
if (!SerializeOnly)
if (!ReplacementHandler.applyReplacements())
return 1;
}
// Let the user know which temporary directory the replacements got written
// to.
if (SerializeOnly && !TempDestinationDir.empty())
llvm::errs() << "Replacements serialized to: " << TempDestinationDir << "\n";
if (FinalSyntaxCheck) {
ClangTool SyntaxTool(*Compilations, SourcePaths);
if (SyntaxTool.run(newFrontendActionFactory<SyntaxOnlyAction>().get()) != 0)
return 1;
}
// Report execution times.
if (GlobalOptions.EnableTiming && !PerfData.empty()) {
std::string DirectoryName = TimingDirectoryName;
// Use default directory name.
if (DirectoryName.empty())
DirectoryName = "./migrate_perf";
writePerfDataJSON(DirectoryName, PerfData);
}
return 0;
}