Beispiel #1
0
void CXIndexDataConsumer::translateLoc(SourceLocation Loc,
                                   CXIdxClientFile *indexFile, CXFile *file,
                                   unsigned *line, unsigned *column,
                                   unsigned *offset) {
  if (Loc.isInvalid())
    return;

  SourceManager &SM = Ctx->getSourceManager();
  Loc = SM.getFileLoc(Loc);

  std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
  FileID FID = LocInfo.first;
  unsigned FileOffset = LocInfo.second;

  if (FID.isInvalid())
    return;
  
  const FileEntry *FE = SM.getFileEntryForID(FID);
  if (indexFile)
    *indexFile = getIndexFile(FE);
  if (file)
    *file = const_cast<FileEntry *>(FE);
  if (line)
    *line = SM.getLineNumber(FID, FileOffset);
  if (column)
    *column = SM.getColumnNumber(FID, FileOffset);
  if (offset)
    *offset = FileOffset;
}
/// EnterMainSourceFile - Enter the specified FileID as the main source file,
/// which implicitly adds the builtin defines etc.
void Preprocessor::EnterMainSourceFile() {
  // We do not allow the preprocessor to reenter the main file.  Doing so will
  // cause FileID's to accumulate information from both runs (e.g. #line
  // information) and predefined macros aren't guaranteed to be set properly.
  assert(NumEnteredSourceFiles == 0 && "Cannot reenter the main file!");
  FileID MainFileID = SourceMgr.getMainFileID();

  // If MainFileID is loaded it means we loaded an AST file, no need to enter
  // a main file.
  if (!SourceMgr.isLoadedFileID(MainFileID)) {
    // Enter the main file source buffer.
    EnterSourceFile(MainFileID, nullptr, SourceLocation());

    // If we've been asked to skip bytes in the main file (e.g., as part of a
    // precompiled preamble), do so now.
    if (SkipMainFilePreamble.first > 0)
      CurLexer->SetByteOffset(SkipMainFilePreamble.first,
                              SkipMainFilePreamble.second);

    // Tell the header info that the main file was entered.  If the file is later
    // #imported, it won't be re-entered.
    if (const FileEntry *FE = SourceMgr.getFileEntryForID(MainFileID))
      HeaderInfo.IncrementIncludeCount(FE);
  }

  // Preprocess Predefines to populate the initial preprocessor state.
  std::unique_ptr<llvm::MemoryBuffer> SB =
    llvm::MemoryBuffer::getMemBufferCopy(Predefines, "<built-in>");
  assert(SB && "Cannot create predefined source buffer");
  FileID FID = SourceMgr.createFileID(std::move(SB));
  assert(FID.isValid() && "Could not create FileID for predefines?");
  setPredefinesFileID(FID);

  // Start parsing the predefines.
  EnterSourceFile(FID, nullptr, SourceLocation());

  if (!PPOpts->PCHThroughHeader.empty()) {
    // Lookup and save the FileID for the through header. If it isn't found
    // in the search path, it's a fatal error.
    const DirectoryLookup *CurDir;
    const FileEntry *File = LookupFile(
        SourceLocation(), PPOpts->PCHThroughHeader,
        /*isAngled=*/false, /*FromDir=*/nullptr, /*FromFile=*/nullptr, CurDir,
        /*SearchPath=*/nullptr, /*RelativePath=*/nullptr,
        /*SuggestedModule=*/nullptr, /*IsMapped=*/nullptr,
        /*IsFrameworkFound=*/nullptr);
    if (!File) {
      Diag(SourceLocation(), diag::err_pp_through_header_not_found)
          << PPOpts->PCHThroughHeader;
      return;
    }
    setPCHThroughHeaderFileID(
        SourceMgr.createFileID(File, SourceLocation(), SrcMgr::C_User));
  }

  // Skip tokens from the Predefines and if needed the main file.
  if ((usingPCHWithThroughHeader() && SkippingUntilPCHThroughHeader) ||
      (usingPCHWithPragmaHdrStop() && SkippingUntilPragmaHdrStop))
    SkipTokensWhileUsingPCH();
}
Beispiel #3
0
/// EnterMainSourceFile - Enter the specified FileID as the main source file,
/// which implicitly adds the builtin defines etc.
bool Preprocessor::EnterMainSourceFile() {
  // We do not allow the preprocessor to reenter the main file.  Doing so will
  // cause FileID's to accumulate information from both runs (e.g. #line
  // information) and predefined macros aren't guaranteed to be set properly.
  assert(NumEnteredSourceFiles == 0 && "Cannot reenter the main file!");
  FileID MainFileID = SourceMgr.getMainFileID();

  // Enter the main file source buffer.
  std::string ErrorStr;
  if (EnterSourceFile(MainFileID, 0, ErrorStr))
    return true;

  // Tell the header info that the main file was entered.  If the file is later
  // #imported, it won't be re-entered.
  if (const FileEntry *FE = SourceMgr.getFileEntryForID(MainFileID))
    HeaderInfo.IncrementIncludeCount(FE);

  // Preprocess Predefines to populate the initial preprocessor state.
  llvm::MemoryBuffer *SB =
    llvm::MemoryBuffer::getMemBufferCopy(Predefines, "<built-in>");
  assert(SB && "Cannot fail to create predefined source buffer");
  FileID FID = SourceMgr.createFileIDForMemBuffer(SB);
  assert(!FID.isInvalid() && "Could not create FileID for predefines?");

  // Start parsing the predefines.
  return EnterSourceFile(FID, 0, ErrorStr);
}
Replacement IncludeDirectives::addAngledInclude(const clang::FileEntry *File,
                                                llvm::StringRef Include) {
  FileID FID = Sources.translateFile(File);
  assert(!FID.isInvalid() && "Invalid file entry given!");

  if (hasInclude(File, Include))
    return Replacement();

  unsigned Offset, NLFlags;
  std::tie(Offset, NLFlags) = angledIncludeInsertionOffset(FID);

  StringRef EOL = guessEOL(Sources, FID);
  llvm::SmallString<32> InsertionText;
  if (NLFlags & NL_Prepend)
    InsertionText += EOL;
  if (NLFlags & NL_PrependAnother)
    InsertionText += EOL;
  InsertionText += "#include <";
  InsertionText += Include;
  InsertionText += ">";
  if (NLFlags & NL_AppendTwice) {
    InsertionText += EOL;
    InsertionText += EOL;
  }
  return Replacement(File->getName(), Offset, 0, InsertionText);
}
Beispiel #5
0
/// EnterMainSourceFile - Enter the specified FileID as the main source file,
/// which implicitly adds the builtin defines etc.
void Preprocessor::EnterMainSourceFile() {
  // We do not allow the preprocessor to reenter the main file.  Doing so will
  // cause FileID's to accumulate information from both runs (e.g. #line
  // information) and predefined macros aren't guaranteed to be set properly.
  assert(NumEnteredSourceFiles == 0 && "Cannot reenter the main file!");
  FileID MainFileID = SourceMgr.getMainFileID();

  // If MainFileID is loaded it means we loaded an AST file, no need to enter
  // a main file.
  if (!SourceMgr.isLoadedFileID(MainFileID)) {
    // Enter the main file source buffer.
    EnterSourceFile(MainFileID, 0, SourceLocation());
  
    // If we've been asked to skip bytes in the main file (e.g., as part of a
    // precompiled preamble), do so now.
    if (SkipMainFilePreamble.first > 0)
      CurLexer->SkipBytes(SkipMainFilePreamble.first, 
                          SkipMainFilePreamble.second);
    
    // Tell the header info that the main file was entered.  If the file is later
    // #imported, it won't be re-entered.
    if (const FileEntry *FE = SourceMgr.getFileEntryForID(MainFileID))
      HeaderInfo.IncrementIncludeCount(FE);
  }

  // Preprocess Predefines to populate the initial preprocessor state.
  llvm::MemoryBuffer *SB =
    llvm::MemoryBuffer::getMemBufferCopy(Predefines, "<built-in>");
  assert(SB && "Cannot create predefined source buffer");
  FileID FID = SourceMgr.createFileIDForMemBuffer(SB);
  assert(!FID.isInvalid() && "Could not create FileID for predefines?");

  // Start parsing the predefines.
  EnterSourceFile(FID, 0, SourceLocation());
}
Beispiel #6
0
void clang_getFileLocation(CXSourceLocation location,
                           CXFile *file,
                           unsigned *line,
                           unsigned *column,
                           unsigned *offset) {
  if (!isASTUnitSourceLocation(location)) {
    CXLoadedDiagnostic::decodeLocation(location, file, line,
                                           column, offset);
    return;
  }

  SourceLocation Loc = SourceLocation::getFromRawEncoding(location.int_data);

  if (!location.ptr_data[0] || Loc.isInvalid())
    return createNullLocation(file, line, column, offset);

  const SourceManager &SM =
  *static_cast<const SourceManager*>(location.ptr_data[0]);
  SourceLocation FileLoc = SM.getFileLoc(Loc);
  std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(FileLoc);
  FileID FID = LocInfo.first;
  unsigned FileOffset = LocInfo.second;

  if (FID.isInvalid())
    return createNullLocation(file, line, column, offset);

  if (file)
    *file = const_cast<FileEntry *>(SM.getFileEntryForID(FID));
  if (line)
    *line = SM.getLineNumber(FID, FileOffset);
  if (column)
    *column = SM.getColumnNumber(FID, FileOffset);
  if (offset)
    *offset = FileOffset;
}
Beispiel #7
0
rc_t LogCollectorImpl::reqFileData(file_id_t file_id, file_size_t pos, uint8_t* data, uint32_t len) {

  Request* pRequest = getRequest(0);
  if (NULL == pRequest) { return RC_S_NULL_VALUE; }

  // FileData
  FileDataRequest* pFileDataRequest = pRequest->GetFileDataRequest();
  if (NULL == pFileDataRequest) { return RC_E_NOMEM; }

  // send only
  if (IFileNode::INVALID_FILE_ID == file_id || NULL == data || 0 == len) { 

    if (0 == pFileDataRequest->filedata_size() || RC_S_OK != pRequest->SerializeRequest()) { return RC_S_FAILED; }
    return m_autoRelINetHandler->Send(this, pRequest->GetRequestData(), pRequest->GetRequestSize());
  }

  //
  // deflate
  ASSERT(IFileCollector::kMAX_READ_SIZE >= len);
  size_t encode_size = m_autoRelMemDefalte->len();
  if (RC_S_OK != m_autoRelICoderDefalte->encode(m_autoRelMemDefalte->data(), &encode_size, data, len)) {
    LOG(ILogWriter::LV_WARN, "Deflate EnCode Failed, Org. Data Len=%u", len);
    return RC_S_FAILED;
  }

  // is too big
  if (INetHandler::kMAX_REQ_DATA_SIZE < encode_size) { return RC_E_ACCESS; }

  if (INetHandler::kMAX_REQ_DATA_SIZE < pFileDataRequest->ByteSize() + encode_size) {
    if (RC_S_OK != pRequest->SerializeRequest()) {
      LOG(ILogWriter::LV_WARN, "FileData Packet EnCode Failed. len=%u(less)", pFileDataRequest->ByteSize() + encode_size);
      return RC_S_FAILED;
    }

    if (RC_S_OK != m_autoRelINetHandler->Send(this, pRequest->GetRequestData(), pRequest->GetRequestSize())) { return RC_S_FAILED; }
    pFileDataRequest = pRequest->GetFileDataRequest();
  }

  // make sure have FileDataRequest
  if (NULL == pFileDataRequest) { return RC_E_NOMEM; }

  FileDataRequest_FileData* pFileData = pFileDataRequest->add_filedata();
  if (NULL == pFileData) { return RC_E_NOMEM; }

  FileID* pFileID = pFileData->mutable_id();
  if (NULL == pFileID) { return RC_E_NOMEM; }

  pFileID->set_id(file_id);
  pFileData->set_pos(pos);

  pFileData->set_encode(FileDataRequest_FileData_EncodeType_DEFLATE);
  pFileData->set_org_len(len);
  pFileData->set_data(m_autoRelMemDefalte->data(), encode_size);

  return RC_S_OK;
}
Beispiel #8
0
void LogDiagnosticPrinter::HandleDiagnostic(DiagnosticsEngine::Level Level,
                                            const Diagnostic &Info) {
  // Default implementation (Warnings/errors count).
  DiagnosticConsumer::HandleDiagnostic(Level, Info);

  // Initialize the main file name, if we haven't already fetched it.
  if (MainFilename.empty() && Info.hasSourceManager()) {
    const SourceManager &SM = Info.getSourceManager();
    FileID FID = SM.getMainFileID();
    if (!FID.isInvalid()) {
      const FileEntry *FE = SM.getFileEntryForID(FID);
      if (FE && FE->getName())
        MainFilename = FE->getName();
    }
  }

  // Create the diag entry.
  DiagEntry DE;
  DE.DiagnosticID = Info.getID();
  DE.DiagnosticLevel = Level;

  // Format the message.
  SmallString<100> MessageStr;
  Info.FormatDiagnostic(MessageStr);
  DE.Message = MessageStr.str();

  // Set the location information.
  DE.Filename = "";
  DE.Line = DE.Column = 0;
  if (Info.getLocation().isValid() && Info.hasSourceManager()) {
    const SourceManager &SM = Info.getSourceManager();
    PresumedLoc PLoc = SM.getPresumedLoc(Info.getLocation());

    if (PLoc.isInvalid()) {
      // At least print the file name if available:
      FileID FID = SM.getFileID(Info.getLocation());
      if (!FID.isInvalid()) {
        const FileEntry *FE = SM.getFileEntryForID(FID);
        if (FE && FE->getName())
          DE.Filename = FE->getName();
      }
    } else {
      DE.Filename = PLoc.getFilename();
      DE.Line = PLoc.getLine();
      DE.Column = PLoc.getColumn();
    }
  }

  // Record the diagnostic entry.
  Entries.push_back(DE);
}
void VerifyDiagnosticConsumer::UpdateParsedFileStatus(SourceManager &SM,
                                                      FileID FID,
                                                      ParsedStatus PS) {
  // Check SourceManager hasn't changed.
  setSourceManager(SM);

#ifndef NDEBUG
  if (FID.isInvalid())
    return;

  const FileEntry *FE = SM.getFileEntryForID(FID);

  if (PS == IsParsed) {
    // Move the FileID from the unparsed set to the parsed set.
    UnparsedFiles.erase(FID);
    ParsedFiles.insert(std::make_pair(FID, FE));
  } else if (!ParsedFiles.count(FID) && !UnparsedFiles.count(FID)) {
    // Add the FileID to the unparsed set if we haven't seen it before.

    // Check for directives.
    bool FoundDirectives;
    if (PS == IsUnparsedNoDirectives)
      FoundDirectives = false;
    else
      FoundDirectives = !LangOpts || findDirectives(SM, FID, *LangOpts);

    // Add the FileID to the unparsed set.
    UnparsedFiles.insert(std::make_pair(FID,
                                      UnparsedFileStatus(FE, FoundDirectives)));
  }
#endif
}
/// FindExpectedDiags - Lex the main source file to find all of the
//   expected errors and warnings.
static void FindExpectedDiags(const Preprocessor &PP, ExpectedData &ED,
                              FileID FID) {
  // Create a raw lexer to pull all the comments out of FID.
  if (FID.isInvalid())
    return;

  SourceManager& SM = PP.getSourceManager();
  // Create a lexer to lex all the tokens of the main file in raw mode.
  const llvm::MemoryBuffer *FromFile = SM.getBuffer(FID);
  Lexer RawLex(FID, FromFile, SM, PP.getLangOpts());

  // Return comments as tokens, this is how we find expected diagnostics.
  RawLex.SetCommentRetentionState(true);

  Token Tok;
  Tok.setKind(tok::comment);
  while (Tok.isNot(tok::eof)) {
    RawLex.Lex(Tok);
    if (!Tok.is(tok::comment)) continue;

    std::string Comment = PP.getSpelling(Tok);
    if (Comment.empty()) continue;

    // Find all expected errors/warnings/notes.
    ParseDirective(Comment, ED, SM, Tok.getLocation(), PP.getDiagnostics());
  };
}
/// \brief Returns true if the preprocessed entity that \arg PPEI iterator
/// points to is coming from the file \arg FID.
///
/// Can be used to avoid implicit deserializations of preallocated
/// preprocessed entities if we only care about entities of a specific file
/// and not from files #included in the range given at
/// \see getPreprocessedEntitiesInRange.
bool PreprocessingRecord::isEntityInFileID(iterator PPEI, FileID FID) {
  if (FID.isInvalid())
    return false;

  PPEntityID PPID = PPEI.Position;
  if (PPID < 0) {
    assert(unsigned(-PPID-1) < LoadedPreprocessedEntities.size() &&
           "Out-of bounds loaded preprocessed entity");
    assert(ExternalSource && "No external source to load from");
    unsigned LoadedIndex = LoadedPreprocessedEntities.size()+PPID;
    if (PreprocessedEntity *PPE = LoadedPreprocessedEntities[LoadedIndex])
      return isPreprocessedEntityIfInFileID(PPE, FID, SourceMgr);

    // See if the external source can see if the entity is in the file without
    // deserializing it.
    llvm::Optional<bool>
      IsInFile = ExternalSource->isPreprocessedEntityInFileID(LoadedIndex, FID);
    if (IsInFile.hasValue())
      return IsInFile.getValue();

    // The external source did not provide a definite answer, go and deserialize
    // the entity to check it.
    return isPreprocessedEntityIfInFileID(
                                       getLoadedPreprocessedEntity(LoadedIndex),
                                          FID, SourceMgr);
  }

  assert(unsigned(PPID) < PreprocessedEntities.size() &&
         "Out-of bounds local preprocessed entity");
  return isPreprocessedEntityIfInFileID(PreprocessedEntities[PPID],
                                        FID, SourceMgr);
}
/// \brief Lex the specified source file to determine whether it contains
/// any expected-* directives.  As a Lexer is used rather than a full-blown
/// Preprocessor, directives inside skipped #if blocks will still be found.
///
/// \return true if any directives were found.
static bool findDirectives(SourceManager &SM, FileID FID,
                           const LangOptions &LangOpts) {
  // Create a raw lexer to pull all the comments out of FID.
  if (FID.isInvalid())
    return false;

  // Create a lexer to lex all the tokens of the main file in raw mode.
  const llvm::MemoryBuffer *FromFile = SM.getBuffer(FID);
  Lexer RawLex(FID, FromFile, SM, LangOpts);

  // Return comments as tokens, this is how we find expected diagnostics.
  RawLex.SetCommentRetentionState(true);

  Token Tok;
  Tok.setKind(tok::comment);
  VerifyDiagnosticConsumer::DirectiveStatus Status =
    VerifyDiagnosticConsumer::HasNoDirectives;
  while (Tok.isNot(tok::eof)) {
    RawLex.Lex(Tok);
    if (!Tok.is(tok::comment)) continue;

    std::string Comment = RawLex.getSpelling(Tok, SM, LangOpts);
    if (Comment.empty()) continue;

    // Find first directive.
    if (ParseDirective(Comment, 0, SM, Tok.getLocation(),
                       SM.getDiagnostics(), Status))
      return true;
  }
  return false;
}
Beispiel #13
0
rc_t LogCollectorImpl::reqCheckSum(file_id_t file_id, uint32_t fb_cb_pos, uint32_t fb_cs_count) {

  Request* pRequest = getRequest(0);
  if (NULL == pRequest) { return RC_S_NULL_VALUE; }

  // checksum
  CheckSumRequest* pCheckSumRequest = pRequest->GetCheckSumRequest();
  if (NULL == pCheckSumRequest) { return RC_E_NOMEM; }

  FileID* pFileID = pCheckSumRequest->mutable_id();
  if (NULL == pFileID) { return RC_E_NOMEM; }
  pFileID->set_id(file_id);

  pCheckSumRequest->set_fb_cs_pos(fb_cb_pos);
  pCheckSumRequest->set_fb_cs_count(fb_cs_count);

  if (RC_S_OK != pRequest->SerializeRequest()) { return RC_S_FAILED; }
  return m_autoRelINetHandler->Send(this, pRequest->GetRequestData(), pRequest->GetRequestSize());
}
Beispiel #14
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bool IndexingContext::importedModule(const ImportDecl *ImportD) {
  if (ImportD->isInvalidDecl())
    return true;

  SourceLocation Loc;
  auto IdLocs = ImportD->getIdentifierLocs();
  if (!IdLocs.empty())
    Loc = IdLocs.back();
  else
    Loc = ImportD->getLocation();

  SourceManager &SM = Ctx->getSourceManager();
  FileID FID = SM.getFileID(SM.getFileLoc(Loc));
  if (FID.isInvalid())
    return true;

  bool Invalid = false;
  const SrcMgr::SLocEntry &SEntry = SM.getSLocEntry(FID, &Invalid);
  if (Invalid || !SEntry.isFile())
    return true;

  if (SEntry.getFile().getFileCharacteristic() != SrcMgr::C_User) {
    switch (IndexOpts.SystemSymbolFilter) {
    case IndexingOptions::SystemSymbolFilterKind::None:
      return true;
    case IndexingOptions::SystemSymbolFilterKind::DeclarationsOnly:
    case IndexingOptions::SystemSymbolFilterKind::All:
      break;
    }
  }

  const Module *Mod = ImportD->getImportedModule();
  if (!ImportD->isImplicit() && Mod->Parent && !IdLocs.empty()) {
    reportModuleReferences(Mod->Parent, IdLocs.drop_back(), ImportD,
                           DataConsumer);
  }

  SymbolRoleSet Roles = (unsigned)SymbolRole::Declaration;
  if (ImportD->isImplicit())
    Roles |= (unsigned)SymbolRole::Implicit;

  return DataConsumer.handleModuleOccurence(ImportD, Mod, Roles, Loc);
}
Beispiel #15
0
bool CXIndexDataConsumer::markEntityOccurrenceInFile(const NamedDecl *D,
                                                 SourceLocation Loc) {
  if (!D || Loc.isInvalid())
    return true;

  SourceManager &SM = Ctx->getSourceManager();
  D = getEntityDecl(D);
  
  std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SM.getFileLoc(Loc));
  FileID FID = LocInfo.first;
  if (FID.isInvalid())
    return true;
  
  const FileEntry *FE = SM.getFileEntryForID(FID);
  if (!FE)
    return true;
  RefFileOccurrence RefOccur(FE, D);
  std::pair<llvm::DenseSet<RefFileOccurrence>::iterator, bool>
  res = RefFileOccurrences.insert(RefOccur);
  return !res.second; // already in map
}
Beispiel #16
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/// \brief Convenience function to get rewritten content for \c Filename from
/// \c Rewrites.
///
/// \pre Replacements[i].getFilePath() == Replacements[i+1].getFilePath().
/// \post Replacements.empty() -> Result.empty()
///
/// \param[in] Replacements Replacements to apply
/// \param[in] Rewrites Rewriter to use to apply replacements.
/// \param[out] Result Contents of the file after applying replacements if
/// replacements were provided.
///
/// \returns \li true if all replacements were applied successfully.
///          \li false if at least one replacement failed to apply.
static bool
getRewrittenData(const std::vector<tooling::Replacement> &Replacements,
                 Rewriter &Rewrites, std::string &Result) {
  if (Replacements.empty()) return true;

  if (!tooling::applyAllReplacements(Replacements, Rewrites))
    return false;

  SourceManager &SM = Rewrites.getSourceMgr();
  FileManager &Files = SM.getFileManager();

  StringRef FileName = Replacements.begin()->getFilePath();
  const clang::FileEntry *Entry = Files.getFile(FileName);
  assert(Entry && "Expected an existing file");
  FileID ID = SM.translateFile(Entry);
  assert(!ID.isInvalid() && "Expected a valid FileID");
  const RewriteBuffer *Buffer = Rewrites.getRewriteBufferFor(ID);
  Result = std::string(Buffer->begin(), Buffer->end());

  return true;
}
static bool isPreprocessedEntityIfInFileID(PreprocessedEntity *PPE, FileID FID,
                                           SourceManager &SM) {
  assert(FID.isValid());
  if (!PPE)
    return false;

  SourceLocation Loc = PPE->getSourceRange().getBegin();
  if (Loc.isInvalid())
    return false;

  return SM.isInFileID(SM.getFileLoc(Loc), FID);
}
Beispiel #18
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bool IndexingContext::importedModule(const ImportDecl *ImportD) {
  SourceLocation Loc;
  auto IdLocs = ImportD->getIdentifierLocs();
  if (!IdLocs.empty())
    Loc = IdLocs.front();
  else
    Loc = ImportD->getLocation();
  SourceManager &SM = Ctx->getSourceManager();
  Loc = SM.getFileLoc(Loc);
  if (Loc.isInvalid())
    return true;

  FileID FID;
  unsigned Offset;
  std::tie(FID, Offset) = SM.getDecomposedLoc(Loc);
  if (FID.isInvalid())
    return true;

  bool Invalid = false;
  const SrcMgr::SLocEntry &SEntry = SM.getSLocEntry(FID, &Invalid);
  if (Invalid || !SEntry.isFile())
    return true;

  if (SEntry.getFile().getFileCharacteristic() != SrcMgr::C_User) {
    switch (IndexOpts.SystemSymbolFilter) {
    case IndexingOptions::SystemSymbolFilterKind::None:
      return true;
    case IndexingOptions::SystemSymbolFilterKind::DeclarationsOnly:
    case IndexingOptions::SystemSymbolFilterKind::All:
      break;
    }
  }

  SymbolRoleSet Roles = (unsigned)SymbolRole::Declaration;
  if (ImportD->isImplicit())
    Roles |= (unsigned)SymbolRole::Implicit;

  return DataConsumer.handleModuleOccurence(ImportD, Roles, FID, Offset);
}
Beispiel #19
0
/// EnterMainSourceFile - Enter the specified FileID as the main source file,
/// which implicitly adds the builtin defines etc.
void Preprocessor::EnterMainSourceFile() {
  // We do not allow the preprocessor to reenter the main file.  Doing so will
  // cause FileID's to accumulate information from both runs (e.g. #line
  // information) and predefined macros aren't guaranteed to be set properly.
  assert(NumEnteredSourceFiles == 0 && "Cannot reenter the main file!");
  FileID MainFileID = SourceMgr.getMainFileID();
  
  // Enter the main file source buffer.
  EnterSourceFile(MainFileID, 0);
  
  // Tell the header info that the main file was entered.  If the file is later
  // #imported, it won't be re-entered.
  if (const FileEntry *FE = SourceMgr.getFileEntryForID(MainFileID))
    HeaderInfo.IncrementIncludeCount(FE);
    
  std::vector<char> PrologFile;
  PrologFile.reserve(4080);
  
  // FIXME: Don't make a copy.
  PrologFile.insert(PrologFile.end(), Predefines.begin(), Predefines.end());
  
  // Memory buffer must end with a null byte!
  PrologFile.push_back(0);

  // Now that we have emitted the predefined macros, #includes, etc into
  // PrologFile, preprocess it to populate the initial preprocessor state.
  llvm::MemoryBuffer *SB = 
    llvm::MemoryBuffer::getMemBufferCopy(&PrologFile.front(),&PrologFile.back(),
                                         "<built-in>");
  assert(SB && "Cannot fail to create predefined source buffer");
  FileID FID = SourceMgr.createFileIDForMemBuffer(SB);
  assert(!FID.isInvalid() && "Could not create FileID for predefines?");
  
  // Start parsing the predefines.
  EnterSourceFile(FID, 0);
}
/// Returns true if the preprocessed entity that \arg PPEI iterator
/// points to is coming from the file \arg FID.
///
/// Can be used to avoid implicit deserializations of preallocated
/// preprocessed entities if we only care about entities of a specific file
/// and not from files \#included in the range given at
/// \see getPreprocessedEntitiesInRange.
bool PreprocessingRecord::isEntityInFileID(iterator PPEI, FileID FID) {
  if (FID.isInvalid())
    return false;

  int Pos = std::distance(iterator(this, 0), PPEI);
  if (Pos < 0) {
    if (unsigned(-Pos-1) >= LoadedPreprocessedEntities.size()) {
      assert(0 && "Out-of bounds loaded preprocessed entity");
      return false;
    }
    assert(ExternalSource && "No external source to load from");
    unsigned LoadedIndex = LoadedPreprocessedEntities.size()+Pos;
    if (PreprocessedEntity *PPE = LoadedPreprocessedEntities[LoadedIndex])
      return isPreprocessedEntityIfInFileID(PPE, FID, SourceMgr);

    // See if the external source can see if the entity is in the file without
    // deserializing it.
    Optional<bool> IsInFile =
        ExternalSource->isPreprocessedEntityInFileID(LoadedIndex, FID);
    if (IsInFile.hasValue())
      return IsInFile.getValue();

    // The external source did not provide a definite answer, go and deserialize
    // the entity to check it.
    return isPreprocessedEntityIfInFileID(
                                       getLoadedPreprocessedEntity(LoadedIndex),
                                          FID, SourceMgr);
  }

  if (unsigned(Pos) >= PreprocessedEntities.size()) {
    assert(0 && "Out-of bounds local preprocessed entity");
    return false;
  }
  return isPreprocessedEntityIfInFileID(PreprocessedEntities[Pos],
                                        FID, SourceMgr);
}
Beispiel #21
0
void PathDiagnosticConsumer::HandlePathDiagnostic(PathDiagnostic *D) {
  llvm::OwningPtr<PathDiagnostic> OwningD(D);
  
  if (!D || D->path.empty())
    return;
  
  // We need to flatten the locations (convert Stmt* to locations) because
  // the referenced statements may be freed by the time the diagnostics
  // are emitted.
  D->flattenLocations();

  // If the PathDiagnosticConsumer does not support diagnostics that
  // cross file boundaries, prune out such diagnostics now.
  if (!supportsCrossFileDiagnostics()) {
    // Verify that the entire path is from the same FileID.
    FileID FID;
    const SourceManager &SMgr = (*D->path.begin())->getLocation().getManager();
    llvm::SmallVector<const PathPieces *, 5> WorkList;
    WorkList.push_back(&D->path);

    while (!WorkList.empty()) {
      const PathPieces &path = *WorkList.back();
      WorkList.pop_back();

      for (PathPieces::const_iterator I = path.begin(), E = path.end();
           I != E; ++I) {
        const PathDiagnosticPiece *piece = I->getPtr();
        FullSourceLoc L = piece->getLocation().asLocation().getExpansionLoc();
      
        if (FID.isInvalid()) {
          FID = SMgr.getFileID(L);
        } else if (SMgr.getFileID(L) != FID)
          return; // FIXME: Emit a warning?
      
        // Check the source ranges.
        ArrayRef<SourceRange> Ranges = piece->getRanges();
        for (ArrayRef<SourceRange>::iterator I = Ranges.begin(),
                                             E = Ranges.end(); I != E; ++I) {
          SourceLocation L = SMgr.getExpansionLoc(I->getBegin());
          if (!L.isFileID() || SMgr.getFileID(L) != FID)
            return; // FIXME: Emit a warning?
          L = SMgr.getExpansionLoc(I->getEnd());
          if (!L.isFileID() || SMgr.getFileID(L) != FID)
            return; // FIXME: Emit a warning?
        }
        
        if (const PathDiagnosticCallPiece *call =
            dyn_cast<PathDiagnosticCallPiece>(piece)) {
          WorkList.push_back(&call->path);
        }
        else if (const PathDiagnosticMacroPiece *macro =
                 dyn_cast<PathDiagnosticMacroPiece>(piece)) {
          WorkList.push_back(&macro->subPieces);
        }
      }
    }
    
    if (FID.isInvalid())
      return; // FIXME: Emit a warning?
  }  

  // Profile the node to see if we already have something matching it
  llvm::FoldingSetNodeID profile;
  D->Profile(profile);
  void *InsertPos = 0;

  if (PathDiagnostic *orig = Diags.FindNodeOrInsertPos(profile, InsertPos)) {
    // Keep the PathDiagnostic with the shorter path.
    // Note, the enclosing routine is called in deterministic order, so the
    // results will be consistent between runs (no reason to break ties if the
    // size is the same).
    const unsigned orig_size = orig->full_size();
    const unsigned new_size = D->full_size();
    if (orig_size <= new_size)
      return;

    assert(orig != D);
    Diags.RemoveNode(orig);
    delete orig;
  }
  
  Diags.InsertNode(OwningD.take());
}
Beispiel #22
0
bool IndexingContext::handleDeclOccurrence(const Decl *D, SourceLocation Loc,
                                           bool IsRef, const Decl *Parent,
                                           SymbolRoleSet Roles,
                                           ArrayRef<SymbolRelation> Relations,
                                           const Expr *OrigE,
                                           const Decl *OrigD,
                                           const DeclContext *ContainerDC) {
  if (D->isImplicit() && !isa<ObjCMethodDecl>(D))
    return true;
  if (!isa<NamedDecl>(D) || shouldSkipNamelessDecl(cast<NamedDecl>(D)))
    return true;

  SourceManager &SM = Ctx->getSourceManager();
  FileID FID = SM.getFileID(SM.getFileLoc(Loc));
  if (FID.isInvalid())
    return true;

  bool Invalid = false;
  const SrcMgr::SLocEntry &SEntry = SM.getSLocEntry(FID, &Invalid);
  if (Invalid || !SEntry.isFile())
    return true;

  if (SEntry.getFile().getFileCharacteristic() != SrcMgr::C_User) {
    switch (IndexOpts.SystemSymbolFilter) {
    case IndexingOptions::SystemSymbolFilterKind::None:
      return true;
    case IndexingOptions::SystemSymbolFilterKind::DeclarationsOnly:
      if (!shouldReportOccurrenceForSystemDeclOnlyMode(IsRef, Roles, Relations))
        return true;
      break;
    case IndexingOptions::SystemSymbolFilterKind::All:
      break;
    }
  }

  if (!OrigD)
    OrigD = D;

  if (isTemplateImplicitInstantiation(D)) {
    if (!IsRef)
      return true;
    D = adjustTemplateImplicitInstantiation(D);
    if (!D)
      return true;
    assert(!isTemplateImplicitInstantiation(D));
  }

  if (IsRef)
    Roles |= (unsigned)SymbolRole::Reference;
  else if (isDeclADefinition(OrigD, ContainerDC, *Ctx))
    Roles |= (unsigned)SymbolRole::Definition;
  else
    Roles |= (unsigned)SymbolRole::Declaration;

  D = getCanonicalDecl(D);
  Parent = adjustParent(Parent);
  if (Parent)
    Parent = getCanonicalDecl(Parent);

  SmallVector<SymbolRelation, 6> FinalRelations;
  FinalRelations.reserve(Relations.size()+1);

  auto addRelation = [&](SymbolRelation Rel) {
    auto It = llvm::find_if(FinalRelations, [&](SymbolRelation Elem) -> bool {
      return Elem.RelatedSymbol == Rel.RelatedSymbol;
    });
    if (It != FinalRelations.end()) {
      It->Roles |= Rel.Roles;
    } else {
      FinalRelations.push_back(Rel);
    }
    Roles |= Rel.Roles;
  };

  if (Parent) {
    if (IsRef || (!isa<ParmVarDecl>(D) && isFunctionLocalSymbol(D))) {
      addRelation(SymbolRelation{
        (unsigned)SymbolRole::RelationContainedBy,
        Parent
      });
    } else {
      addRelation(SymbolRelation{
        (unsigned)SymbolRole::RelationChildOf,
        Parent
      });
    }
  }

  for (auto &Rel : Relations) {
    addRelation(SymbolRelation(Rel.Roles,
                               Rel.RelatedSymbol->getCanonicalDecl()));
  }

  IndexDataConsumer::ASTNodeInfo Node{OrigE, OrigD, Parent, ContainerDC};
  return DataConsumer.handleDeclOccurence(D, Roles, FinalRelations, Loc, Node);
}
Beispiel #23
0
/// Print out the file/line/column information and include trace.
///
/// This method handlen the emission of the diagnostic location information.
/// This includes extracting as much location information as is present for
/// the diagnostic and printing it, as well as any include stack or source
/// ranges necessary.
void TextDiagnostic::emitDiagnosticLoc(FullSourceLoc Loc, PresumedLoc PLoc,
                                       DiagnosticsEngine::Level Level,
                                       ArrayRef<CharSourceRange> Ranges) {
  if (PLoc.isInvalid()) {
    // At least print the file name if available:
    FileID FID = Loc.getFileID();
    if (FID.isValid()) {
      const FileEntry *FE = Loc.getFileEntry();
      if (FE && FE->isValid()) {
        emitFilename(FE->getName(), Loc.getManager());
        if (FE->isInPCH())
          OS << " (in PCH)";
        OS << ": ";
      }
    }
    return;
  }
  unsigned LineNo = PLoc.getLine();

  if (!DiagOpts->ShowLocation)
    return;

  if (DiagOpts->ShowColors)
    OS.changeColor(savedColor, true);

  emitFilename(PLoc.getFilename(), Loc.getManager());
  switch (DiagOpts->getFormat()) {
  case DiagnosticOptions::Clang: OS << ':'  << LineNo; break;
  case DiagnosticOptions::MSVC:  OS << '('  << LineNo; break;
  case DiagnosticOptions::Vi:    OS << " +" << LineNo; break;
  }

  if (DiagOpts->ShowColumn)
    // Compute the column number.
    if (unsigned ColNo = PLoc.getColumn()) {
      if (DiagOpts->getFormat() == DiagnosticOptions::MSVC) {
        OS << ',';
        // Visual Studio 2010 or earlier expects column number to be off by one
        if (LangOpts.MSCompatibilityVersion &&
            !LangOpts.isCompatibleWithMSVC(LangOptions::MSVC2012))
          ColNo--;
      } else
        OS << ':';
      OS << ColNo;
    }
  switch (DiagOpts->getFormat()) {
  case DiagnosticOptions::Clang:
  case DiagnosticOptions::Vi:    OS << ':';    break;
  case DiagnosticOptions::MSVC:
    // MSVC2013 and before print 'file(4) : error'. MSVC2015 gets rid of the
    // space and prints 'file(4): error'.
    OS << ')';
    if (LangOpts.MSCompatibilityVersion &&
        !LangOpts.isCompatibleWithMSVC(LangOptions::MSVC2015))
      OS << ' ';
    OS << ": ";
    break;
  }

  if (DiagOpts->ShowSourceRanges && !Ranges.empty()) {
    FileID CaretFileID = Loc.getExpansionLoc().getFileID();
    bool PrintedRange = false;

    for (ArrayRef<CharSourceRange>::const_iterator RI = Ranges.begin(),
         RE = Ranges.end();
         RI != RE; ++RI) {
      // Ignore invalid ranges.
      if (!RI->isValid()) continue;

      auto &SM = Loc.getManager();
      SourceLocation B = SM.getExpansionLoc(RI->getBegin());
      CharSourceRange ERange = SM.getExpansionRange(RI->getEnd());
      SourceLocation E = ERange.getEnd();
      bool IsTokenRange = ERange.isTokenRange();

      std::pair<FileID, unsigned> BInfo = SM.getDecomposedLoc(B);
      std::pair<FileID, unsigned> EInfo = SM.getDecomposedLoc(E);

      // If the start or end of the range is in another file, just discard
      // it.
      if (BInfo.first != CaretFileID || EInfo.first != CaretFileID)
        continue;

      // Add in the length of the token, so that we cover multi-char
      // tokens.
      unsigned TokSize = 0;
      if (IsTokenRange)
        TokSize = Lexer::MeasureTokenLength(E, SM, LangOpts);

      FullSourceLoc BF(B, SM), EF(E, SM);
      OS << '{'
         << BF.getLineNumber() << ':' << BF.getColumnNumber() << '-'
         << EF.getLineNumber() << ':' << (EF.getColumnNumber() + TokSize)
         << '}';
      PrintedRange = true;
    }

    if (PrintedRange)
      OS << ':';
  }
  OS << ' ';
}
void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
                                 FilesMade *filesMade) {
    
  // Create the HTML directory if it is missing.
  if (!createdDir) {
    createdDir = true;
    std::string ErrorMsg;
    Directory.createDirectoryOnDisk(true, &ErrorMsg);

    bool IsDirectory;
    if (llvm::sys::fs::is_directory(Directory.str(), IsDirectory) ||
        !IsDirectory) {
      llvm::errs() << "warning: could not create directory '"
                   << Directory.str() << "'\n"
                   << "reason: " << ErrorMsg << '\n';

      noDir = true;

      return;
    }
  }

  if (noDir)
    return;

  // First flatten out the entire path to make it easier to use.
  PathPieces path = D.path.flatten(/*ShouldFlattenMacros=*/false);

  // The path as already been prechecked that all parts of the path are
  // from the same file and that it is non-empty.
  const SourceManager &SMgr = (*path.begin())->getLocation().getManager();
  assert(!path.empty());
  FileID FID =
    (*path.begin())->getLocation().asLocation().getExpansionLoc().getFileID();
  assert(!FID.isInvalid());

  // Create a new rewriter to generate HTML.
  Rewriter R(const_cast<SourceManager&>(SMgr), PP.getLangOpts());

  // Process the path.
  unsigned n = path.size();
  unsigned max = n;

  for (PathPieces::const_reverse_iterator I = path.rbegin(), 
       E = path.rend();
        I != E; ++I, --n)
    HandlePiece(R, FID, **I, n, max);

  // Add line numbers, header, footer, etc.

  // unsigned FID = R.getSourceMgr().getMainFileID();
  html::EscapeText(R, FID);
  html::AddLineNumbers(R, FID);

  // If we have a preprocessor, relex the file and syntax highlight.
  // We might not have a preprocessor if we come from a deserialized AST file,
  // for example.

  html::SyntaxHighlight(R, FID, PP);
  html::HighlightMacros(R, FID, PP);

  // Get the full directory name of the analyzed file.

  const FileEntry* Entry = SMgr.getFileEntryForID(FID);

  // This is a cludge; basically we want to append either the full
  // working directory if we have no directory information.  This is
  // a work in progress.

  std::string DirName = "";

  if (llvm::sys::path::is_relative(Entry->getName())) {
    llvm::sys::Path P = llvm::sys::Path::GetCurrentDirectory();
    DirName = P.str() + "/";
  }

  // Add the name of the file as an <h1> tag.

  {
    std::string s;
    llvm::raw_string_ostream os(s);

    os << "<!-- REPORTHEADER -->\n"
      << "<h3>Bug Summary</h3>\n<table class=\"simpletable\">\n"
          "<tr><td class=\"rowname\">File:</td><td>"
      << html::EscapeText(DirName)
      << html::EscapeText(Entry->getName())
      << "</td></tr>\n<tr><td class=\"rowname\">Location:</td><td>"
         "<a href=\"#EndPath\">line "
      << (*path.rbegin())->getLocation().asLocation().getExpansionLineNumber()
      << ", column "
      << (*path.rbegin())->getLocation().asLocation().getExpansionColumnNumber()
      << "</a></td></tr>\n"
         "<tr><td class=\"rowname\">Description:</td><td>"
      << D.getVerboseDescription() << "</td></tr>\n";

    // Output any other meta data.

    for (PathDiagnostic::meta_iterator I=D.meta_begin(), E=D.meta_end();
         I!=E; ++I) {
      os << "<tr><td></td><td>" << html::EscapeText(*I) << "</td></tr>\n";
    }

    os << "</table>\n<!-- REPORTSUMMARYEXTRA -->\n"
          "<h3>Annotated Source Code</h3>\n";

    R.InsertTextBefore(SMgr.getLocForStartOfFile(FID), os.str());
  }

  // Embed meta-data tags.
  {
    std::string s;
    llvm::raw_string_ostream os(s);

    StringRef BugDesc = D.getVerboseDescription();
    if (!BugDesc.empty())
      os << "\n<!-- BUGDESC " << BugDesc << " -->\n";

    StringRef BugType = D.getBugType();
    if (!BugType.empty())
      os << "\n<!-- BUGTYPE " << BugType << " -->\n";

    StringRef BugCategory = D.getCategory();
    if (!BugCategory.empty())
      os << "\n<!-- BUGCATEGORY " << BugCategory << " -->\n";

    os << "\n<!-- BUGFILE " << DirName << Entry->getName() << " -->\n";

    os << "\n<!-- BUGLINE "
       << path.back()->getLocation().asLocation().getExpansionLineNumber()
       << " -->\n";

    os << "\n<!-- BUGPATHLENGTH " << path.size() << " -->\n";

    // Mark the end of the tags.
    os << "\n<!-- BUGMETAEND -->\n";

    // Insert the text.
    R.InsertTextBefore(SMgr.getLocForStartOfFile(FID), os.str());
  }

  // Add CSS, header, and footer.

  html::AddHeaderFooterInternalBuiltinCSS(R, FID, Entry->getName());

  // Get the rewrite buffer.
  const RewriteBuffer *Buf = R.getRewriteBufferFor(FID);

  if (!Buf) {
    llvm::errs() << "warning: no diagnostics generated for main file.\n";
    return;
  }

  // Create a path for the target HTML file.
  llvm::sys::Path F(FilePrefix);
  F.makeUnique(false, NULL);

  // Rename the file with an HTML extension.
  llvm::sys::Path H(F);
  H.appendSuffix("html");
  F.renamePathOnDisk(H, NULL);

  std::string ErrorMsg;
  llvm::raw_fd_ostream os(H.c_str(), ErrorMsg);

  if (!ErrorMsg.empty()) {
    llvm::errs() << "warning: could not create file '" << F.str()
                 << "'\n";
    return;
  }

  if (filesMade) {
    filesMade->addDiagnostic(D, getName(), llvm::sys::path::filename(H.str()));
  }

  // Emit the HTML to disk.
  for (RewriteBuffer::iterator I = Buf->begin(), E = Buf->end(); I!=E; ++I)
      os << *I;
}
Beispiel #25
0
void TextDiagnosticPrinter::HandleDiagnostic(Diagnostic::Level Level,
                                             const DiagnosticInfo &Info) {
  // Default implementation (Warnings/errors count).
  DiagnosticClient::HandleDiagnostic(Level, Info);

  // Keeps track of the the starting position of the location
  // information (e.g., "foo.c:10:4:") that precedes the error
  // message. We use this information to determine how long the
  // file+line+column number prefix is.
  uint64_t StartOfLocationInfo = OS.tell();

  if (!Prefix.empty())
    OS << Prefix << ": ";

  // If the location is specified, print out a file/line/col and include trace
  // if enabled.
  if (Info.getLocation().isValid()) {
    const SourceManager &SM = Info.getSourceManager();
    PresumedLoc PLoc = getDiagnosticPresumedLoc(SM, Info.getLocation());
    if (PLoc.isInvalid()) {
      // At least print the file name if available:
      FileID FID = SM.getFileID(Info.getLocation());
      if (!FID.isInvalid()) {
        const FileEntry* FE = SM.getFileEntryForID(FID);
        if (FE && FE->getName()) {
          OS << FE->getName();
          if (FE->getDevice() == 0 && FE->getInode() == 0
              && FE->getFileMode() == 0) {
            // in PCH is a guess, but a good one:
            OS << " (in PCH)";
          }
          OS << ": ";
        }
      }
    } else {
      unsigned LineNo = PLoc.getLine();

      // First, if this diagnostic is not in the main file, print out the
      // "included from" lines.
      if (LastWarningLoc != PLoc.getIncludeLoc()) {
        LastWarningLoc = PLoc.getIncludeLoc();
        PrintIncludeStack(Level, LastWarningLoc, SM);
        StartOfLocationInfo = OS.tell();
      }

      // Compute the column number.
      if (DiagOpts->ShowLocation) {
        if (DiagOpts->ShowColors)
          OS.changeColor(savedColor, true);

        OS << PLoc.getFilename();
        switch (DiagOpts->Format) {
        case DiagnosticOptions::Clang: OS << ':'  << LineNo; break;
        case DiagnosticOptions::Msvc:  OS << '('  << LineNo; break;
        case DiagnosticOptions::Vi:    OS << " +" << LineNo; break;
        }
        if (DiagOpts->ShowColumn)
          if (unsigned ColNo = PLoc.getColumn()) {
            if (DiagOpts->Format == DiagnosticOptions::Msvc) {
              OS << ',';
              ColNo--;
            } else 
              OS << ':';
            OS << ColNo;
          }
        switch (DiagOpts->Format) {
        case DiagnosticOptions::Clang: 
        case DiagnosticOptions::Vi:    OS << ':';    break;
        case DiagnosticOptions::Msvc:  OS << ") : "; break;
        }

                
        if (DiagOpts->ShowSourceRanges && Info.getNumRanges()) {
          FileID CaretFileID =
            SM.getFileID(SM.getInstantiationLoc(Info.getLocation()));
          bool PrintedRange = false;

          for (unsigned i = 0, e = Info.getNumRanges(); i != e; ++i) {
            // Ignore invalid ranges.
            if (!Info.getRange(i).isValid()) continue;

            SourceLocation B = Info.getRange(i).getBegin();
            SourceLocation E = Info.getRange(i).getEnd();
            B = SM.getInstantiationLoc(B);
            E = SM.getInstantiationLoc(E);

            // If the End location and the start location are the same and are a
            // macro location, then the range was something that came from a
            // macro expansion or _Pragma.  If this is an object-like macro, the
            // best we can do is to highlight the range.  If this is a
            // function-like macro, we'd also like to highlight the arguments.
            if (B == E && Info.getRange(i).getEnd().isMacroID())
              E = SM.getInstantiationRange(Info.getRange(i).getEnd()).second;

            std::pair<FileID, unsigned> BInfo = SM.getDecomposedLoc(B);
            std::pair<FileID, unsigned> EInfo = SM.getDecomposedLoc(E);

            // If the start or end of the range is in another file, just discard
            // it.
            if (BInfo.first != CaretFileID || EInfo.first != CaretFileID)
              continue;

            // Add in the length of the token, so that we cover multi-char
            // tokens.
            unsigned TokSize = 0;
            if (Info.getRange(i).isTokenRange())
              TokSize = Lexer::MeasureTokenLength(E, SM, *LangOpts);

            OS << '{' << SM.getLineNumber(BInfo.first, BInfo.second) << ':'
               << SM.getColumnNumber(BInfo.first, BInfo.second) << '-'
               << SM.getLineNumber(EInfo.first, EInfo.second) << ':'
               << (SM.getColumnNumber(EInfo.first, EInfo.second)+TokSize)
               << '}';
            PrintedRange = true;
          }

          if (PrintedRange)
            OS << ':';
        }
      }
      OS << ' ';
      if (DiagOpts->ShowColors)
        OS.resetColor();
    }
  }

  if (DiagOpts->ShowColors) {
    // Print diagnostic category in bold and color
    switch (Level) {
    case Diagnostic::Ignored: assert(0 && "Invalid diagnostic type");
    case Diagnostic::Note:    OS.changeColor(noteColor, true); break;
    case Diagnostic::Warning: OS.changeColor(warningColor, true); break;
    case Diagnostic::Error:   OS.changeColor(errorColor, true); break;
    case Diagnostic::Fatal:   OS.changeColor(fatalColor, true); break;
    }
  }

  switch (Level) {
  case Diagnostic::Ignored: assert(0 && "Invalid diagnostic type");
  case Diagnostic::Note:    OS << "note: "; break;
  case Diagnostic::Warning: OS << "warning: "; break;
  case Diagnostic::Error:   OS << "error: "; break;
  case Diagnostic::Fatal:   OS << "fatal error: "; break;
  }

  if (DiagOpts->ShowColors)
    OS.resetColor();

  llvm::SmallString<100> OutStr;
  Info.FormatDiagnostic(OutStr);

  if (DiagOpts->ShowNames &&
      !DiagnosticIDs::isBuiltinNote(Info.getID())) {
    OutStr += " [";
    OutStr += DiagnosticIDs::getName(Info.getID());
    OutStr += "]";
  }
  
  std::string OptionName;
  if (DiagOpts->ShowOptionNames) {
    // Was this a warning mapped to an error using -Werror or pragma?
    if (Level == Diagnostic::Error &&
        DiagnosticIDs::isBuiltinWarningOrExtension(Info.getID())) {
      diag::Mapping mapping = diag::MAP_IGNORE;
      Info.getDiags()->getDiagnosticLevel(Info.getID(), Info.getLocation(), 
                                          &mapping);
      if (mapping == diag::MAP_WARNING)
        OptionName += "-Werror";
    }

    llvm::StringRef Opt = DiagnosticIDs::getWarningOptionForDiag(Info.getID());
    if (!Opt.empty()) {
      if (!OptionName.empty())
        OptionName += ',';
      OptionName += "-W";
      OptionName += Opt;
    } else if (Info.getID() == diag::fatal_too_many_errors) {
      OptionName = "-ferror-limit=";
    } else {
      // If the diagnostic is an extension diagnostic and not enabled by default
      // then it must have been turned on with -pedantic.
      bool EnabledByDefault;
      if (DiagnosticIDs::isBuiltinExtensionDiag(Info.getID(),
                                                EnabledByDefault) &&
          !EnabledByDefault)
        OptionName = "-pedantic";
    }
  }
  
  // If the user wants to see category information, include it too.
  unsigned DiagCategory = 0;
  if (DiagOpts->ShowCategories)
    DiagCategory = DiagnosticIDs::getCategoryNumberForDiag(Info.getID());

  // If there is any categorization information, include it.
  if (!OptionName.empty() || DiagCategory != 0) {
    bool NeedsComma = false;
    OutStr += " [";
    
    if (!OptionName.empty()) {
      OutStr += OptionName;
      NeedsComma = true;
    }
    
    if (DiagCategory) {
      if (NeedsComma) OutStr += ',';
      if (DiagOpts->ShowCategories == 1)
        OutStr += llvm::utostr(DiagCategory);
      else {
        assert(DiagOpts->ShowCategories == 2 && "Invalid ShowCategories value");
        OutStr += DiagnosticIDs::getCategoryNameFromID(DiagCategory);
      }
    }
    
    OutStr += "]";
  }

  
  if (DiagOpts->ShowColors) {
    // Print warnings, errors and fatal errors in bold, no color
    switch (Level) {
    case Diagnostic::Warning: OS.changeColor(savedColor, true); break;
    case Diagnostic::Error:   OS.changeColor(savedColor, true); break;
    case Diagnostic::Fatal:   OS.changeColor(savedColor, true); break;
    default: break; //don't bold notes
    }
  }

  if (DiagOpts->MessageLength) {
    // We will be word-wrapping the error message, so compute the
    // column number where we currently are (after printing the
    // location information).
    unsigned Column = OS.tell() - StartOfLocationInfo;
    PrintWordWrapped(OS, OutStr, DiagOpts->MessageLength, Column);
  } else {
    OS.write(OutStr.begin(), OutStr.size());
  }
  OS << '\n';
  if (DiagOpts->ShowColors)
    OS.resetColor();

  // If caret diagnostics are enabled and we have location, we want to
  // emit the caret.  However, we only do this if the location moved
  // from the last diagnostic, if the last diagnostic was a note that
  // was part of a different warning or error diagnostic, or if the
  // diagnostic has ranges.  We don't want to emit the same caret
  // multiple times if one loc has multiple diagnostics.
  if (DiagOpts->ShowCarets && Info.getLocation().isValid() &&
      ((LastLoc != Info.getLocation()) || Info.getNumRanges() ||
       (LastCaretDiagnosticWasNote && Level != Diagnostic::Note) ||
       Info.getNumFixItHints())) {
    // Cache the LastLoc, it allows us to omit duplicate source/caret spewage.
    LastLoc = FullSourceLoc(Info.getLocation(), Info.getSourceManager());
    LastCaretDiagnosticWasNote = (Level == Diagnostic::Note);

    // Get the ranges into a local array we can hack on.
    CharSourceRange Ranges[20];
    unsigned NumRanges = Info.getNumRanges();
    assert(NumRanges < 20 && "Out of space");
    for (unsigned i = 0; i != NumRanges; ++i)
      Ranges[i] = Info.getRange(i);

    unsigned NumHints = Info.getNumFixItHints();
    for (unsigned i = 0; i != NumHints; ++i) {
      const FixItHint &Hint = Info.getFixItHint(i);
      if (Hint.RemoveRange.isValid()) {
        assert(NumRanges < 20 && "Out of space");
        Ranges[NumRanges++] = Hint.RemoveRange;
      }
    }

    const SourceManager &SM = LastLoc.getManager();
    unsigned MacroInstSkipStart = 0, MacroInstSkipEnd = 0;
    if (DiagOpts && DiagOpts->MacroBacktraceLimit && !LastLoc.isFileID()) {
      // Compute the length of the macro-expansion backtrace, so that we
      // can establish which steps in the macro backtrace we'll skip.
      SourceLocation Loc = LastLoc;
      unsigned Depth = 0;
      do {
        ++Depth;
        Loc = skipToMacroArgExpansion(SM, Loc);
        Loc = getImmediateMacroCallerLoc(SM, Loc);
      } while (!Loc.isFileID());
      
      if (Depth > DiagOpts->MacroBacktraceLimit) {
        MacroInstSkipStart = DiagOpts->MacroBacktraceLimit / 2 + 
                             DiagOpts->MacroBacktraceLimit % 2;
        MacroInstSkipEnd = Depth - DiagOpts->MacroBacktraceLimit / 2;
      }
    }        
    
    EmitCaretDiagnostic(LastLoc, Ranges, NumRanges, LastLoc.getManager(),
                        Info.getFixItHints(),
                        Info.getNumFixItHints(),
                        DiagOpts->MessageLength, 
                        0, MacroInstSkipStart, MacroInstSkipEnd);
  }

  OS.flush();
}
Beispiel #26
0
void D_bjmak::run(){
    if (!verifyAccess())
        return;

    server->sendReplyCode(DTP_OK);
    server->connectionPtr->recvMsg();
    BackupJob job;
    QString str = server->connectionPtr->dataToQString();
    
    job.fromQString(str);
    bsize_ = job.numberOfDailyBackups();
    bool isFullBackup = (job.numberOfMonthlyBackups() == 0);
    bool isCalculateHashes_ = (job.numberOfWeeklyBackups() == 1);
    int fd = createFileList(job);
    
    if (fd == -1)
        return;
    
    if (!isFullBackup){
        sendFileList(fd);
    }
    
    lseek(fd, 0, SEEK_SET);
    
    const int dataBufferCapacity = D_TRASFER_BUFFER_SIZE;
    const int maxNumberFilesInBuffer = 2500;
    
    QString line;
    int idCount = 0;
    qint64 sizeOfFilesInBuffer = 0;
    qint64 totalFilesizeBackuped = 0;
    qint64 totalFileCountBackuped = 0;
    
    QVector<FileID> ids;
    bool notEof = true;
    while (notEof){
        FileID id;
        QString fileName;
        
        if (!readLine(fd, fileName))
            notEof = false;
        
        if (!id.readID(fileName.toStdString().c_str())){
            continue;
        }
        
        ids.push_back(id);
        //cout << "added " << id.getFullPath().toStdString() << endl;
        ++idCount;
        sizeOfFilesInBuffer += id.getSize();
        
        if ( (sizeOfFilesInBuffer >= dataBufferCapacity) ||
                ( idCount >= maxNumberFilesInBuffer) ){

            sendBuffer(ids, dataBufferCapacity);
            ids.clear();
            totalFilesizeBackuped += sizeOfFilesInBuffer;
            totalFileCountBackuped += idCount;
            idCount = 0;
            sizeOfFilesInBuffer = 0;
        }
    }

    if ( !ids.isEmpty()){

        sendBuffer(ids, dataBufferCapacity);
        ids.clear();
        totalFilesizeBackuped += sizeOfFilesInBuffer;
        totalFileCountBackuped += idCount;
        idCount = 0;
        sizeOfFilesInBuffer = 0;
    }

    
    server->connectionPtr->sendMsg("END");

    QString shortSizeStr;
    double shortSize;
    if ( totalFilesizeBackuped > 1099511627776 ){
        shortSize = totalFilesizeBackuped / 1099511627776.0;
        shortSizeStr = QString::number(shortSize, 'f', 3);
        shortSizeStr += " TB";
    }else if ( totalFilesizeBackuped > 1073741824 ){
        shortSize = totalFilesizeBackuped / 1073741824.0;
        shortSizeStr = QString::number(shortSize, 'f', 3);
        shortSizeStr += " GB";
    }else if( totalFilesizeBackuped > 1048576 ){
        shortSize = totalFilesizeBackuped / 1048576.0;
        shortSizeStr = QString::number(shortSize, 'f', 3);
        shortSizeStr += " MB";
    }else if( totalFilesizeBackuped > 1024 ){
        shortSize = totalFilesizeBackuped / 1024.0;
        shortSizeStr = QString::number(shortSize, 'f', 3);
        shortSizeStr += " KB";
    }
    
    writeLog.info() << "Backup have finished. Save " << shortSizeStr 
            << " in " << totalFileCountBackuped << " files."
            << DebusLogger::endl;
    
}
Beispiel #27
0
/// \brief Print out the file/line/column information and include trace.
///
/// This method handlen the emission of the diagnostic location information.
/// This includes extracting as much location information as is present for
/// the diagnostic and printing it, as well as any include stack or source
/// ranges necessary.
void TextDiagnostic::emitDiagnosticLoc(SourceLocation Loc, PresumedLoc PLoc,
                                       DiagnosticsEngine::Level Level,
                                       ArrayRef<CharSourceRange> Ranges,
                                       const SourceManager &SM) {
  if (PLoc.isInvalid()) {
    // At least print the file name if available:
    FileID FID = SM.getFileID(Loc);
    if (!FID.isInvalid()) {
      const FileEntry* FE = SM.getFileEntryForID(FID);
      if (FE && FE->getName()) {
        OS << FE->getName();
        if (FE->getDevice() == 0 && FE->getInode() == 0
            && FE->getFileMode() == 0) {
          // in PCH is a guess, but a good one:
          OS << " (in PCH)";
        }
        OS << ": ";
      }
    }
    return;
  }
  unsigned LineNo = PLoc.getLine();

  if (!DiagOpts->ShowLocation)
    return;

  if (DiagOpts->ShowColors)
    OS.changeColor(savedColor, true);

  OS << PLoc.getFilename();
  switch (DiagOpts->getFormat()) {
  case DiagnosticOptions::LFort: OS << ':'  << LineNo; break;
  case DiagnosticOptions::Msvc:  OS << '('  << LineNo; break;
  case DiagnosticOptions::Vi:    OS << " +" << LineNo; break;
  }

  if (DiagOpts->ShowColumn)
    // Compute the column number.
    if (unsigned ColNo = PLoc.getColumn()) {
      if (DiagOpts->getFormat() == DiagnosticOptions::Msvc) {
        OS << ',';
        ColNo--;
      } else
        OS << ':';
      OS << ColNo;
    }
  switch (DiagOpts->getFormat()) {
  case DiagnosticOptions::LFort:
  case DiagnosticOptions::Vi:    OS << ':';    break;
  case DiagnosticOptions::Msvc:  OS << ") : "; break;
  }

  if (DiagOpts->ShowSourceRanges && !Ranges.empty()) {
    FileID CaretFileID =
      SM.getFileID(SM.getExpansionLoc(Loc));
    bool PrintedRange = false;

    for (ArrayRef<CharSourceRange>::const_iterator RI = Ranges.begin(),
         RE = Ranges.end();
         RI != RE; ++RI) {
      // Ignore invalid ranges.
      if (!RI->isValid()) continue;

      SourceLocation B = SM.getExpansionLoc(RI->getBegin());
      SourceLocation E = SM.getExpansionLoc(RI->getEnd());

      // If the End location and the start location are the same and are a
      // macro location, then the range was something that came from a
      // macro expansion or _Pragma.  If this is an object-like macro, the
      // best we can do is to highlight the range.  If this is a
      // function-like macro, we'd also like to highlight the arguments.
      if (B == E && RI->getEnd().isMacroID())
        E = SM.getExpansionRange(RI->getEnd()).second;

      std::pair<FileID, unsigned> BInfo = SM.getDecomposedLoc(B);
      std::pair<FileID, unsigned> EInfo = SM.getDecomposedLoc(E);

      // If the start or end of the range is in another file, just discard
      // it.
      if (BInfo.first != CaretFileID || EInfo.first != CaretFileID)
        continue;

      // Add in the length of the token, so that we cover multi-char
      // tokens.
      unsigned TokSize = 0;
      if (RI->isTokenRange())
        TokSize = Lexer::MeasureTokenLength(E, SM, LangOpts);

      OS << '{' << SM.getLineNumber(BInfo.first, BInfo.second) << ':'
        << SM.getColumnNumber(BInfo.first, BInfo.second) << '-'
        << SM.getLineNumber(EInfo.first, EInfo.second) << ':'
        << (SM.getColumnNumber(EInfo.first, EInfo.second)+TokSize)
        << '}';
      PrintedRange = true;
    }

    if (PrintedRange)
      OS << ':';
  }
  OS << ' ';
}
void HTMLDiagnostics::ReportDiag(const PathDiagnostic& D,
                                 FilesMade *filesMade) {

  // Create the HTML directory if it is missing.
  if (!createdDir) {
    createdDir = true;
    if (std::error_code ec = llvm::sys::fs::create_directories(Directory)) {
      llvm::errs() << "warning: could not create directory '"
                   << Directory << "': " << ec.message() << '\n';

      noDir = true;

      return;
    }
  }

  if (noDir)
    return;

  // First flatten out the entire path to make it easier to use.
  PathPieces path = D.path.flatten(/*ShouldFlattenMacros=*/false);

  // The path as already been prechecked that all parts of the path are
  // from the same file and that it is non-empty.
  const SourceManager &SMgr = (*path.begin())->getLocation().getManager();
  assert(!path.empty());
  FileID FID =
    (*path.begin())->getLocation().asLocation().getExpansionLoc().getFileID();
  assert(!FID.isInvalid());

  // Create a new rewriter to generate HTML.
  Rewriter R(const_cast<SourceManager&>(SMgr), PP.getLangOpts());

  // Get the function/method name
  SmallString<128> declName("unknown");
  int offsetDecl = 0;
  if (const Decl *DeclWithIssue = D.getDeclWithIssue()) {
      if (const NamedDecl *ND = dyn_cast<NamedDecl>(DeclWithIssue)) {
          declName = ND->getDeclName().getAsString();
      }

      if (const Stmt *Body = DeclWithIssue->getBody()) {
          // Retrieve the relative position of the declaration which will be used
          // for the file name
          FullSourceLoc L(
              SMgr.getExpansionLoc((*path.rbegin())->getLocation().asLocation()),
              SMgr);
          FullSourceLoc FunL(SMgr.getExpansionLoc(Body->getLocStart()), SMgr);
          offsetDecl = L.getExpansionLineNumber() - FunL.getExpansionLineNumber();
      }
  }

  // Process the path.
  unsigned n = path.size();
  unsigned max = n;

  for (PathPieces::const_reverse_iterator I = path.rbegin(),
       E = path.rend();
        I != E; ++I, --n)
    HandlePiece(R, FID, **I, n, max);

  // Add line numbers, header, footer, etc.

  // unsigned FID = R.getSourceMgr().getMainFileID();
  html::EscapeText(R, FID);
  html::AddLineNumbers(R, FID);

  // If we have a preprocessor, relex the file and syntax highlight.
  // We might not have a preprocessor if we come from a deserialized AST file,
  // for example.

  html::SyntaxHighlight(R, FID, PP);
  html::HighlightMacros(R, FID, PP);

  // Get the full directory name of the analyzed file.

  const FileEntry* Entry = SMgr.getFileEntryForID(FID);

  // This is a cludge; basically we want to append either the full
  // working directory if we have no directory information.  This is
  // a work in progress.

  llvm::SmallString<0> DirName;

  if (llvm::sys::path::is_relative(Entry->getName())) {
    llvm::sys::fs::current_path(DirName);
    DirName += '/';
  }

  int LineNumber = (*path.rbegin())->getLocation().asLocation().getExpansionLineNumber();
  int ColumnNumber = (*path.rbegin())->getLocation().asLocation().getExpansionColumnNumber();

  // Add the name of the file as an <h1> tag.

  {
    std::string s;
    llvm::raw_string_ostream os(s);

    os << "<!-- REPORTHEADER -->\n"
      << "<h3>Bug Summary</h3>\n<table class=\"simpletable\">\n"
          "<tr><td class=\"rowname\">File:</td><td>"
      << html::EscapeText(DirName)
      << html::EscapeText(Entry->getName())
      << "</td></tr>\n<tr><td class=\"rowname\">Location:</td><td>"
         "<a href=\"#EndPath\">line "
      << LineNumber
      << ", column "
      << ColumnNumber
      << "</a></td></tr>\n"
         "<tr><td class=\"rowname\">Description:</td><td>"
      << D.getVerboseDescription() << "</td></tr>\n";

    // Output any other meta data.

    for (PathDiagnostic::meta_iterator I=D.meta_begin(), E=D.meta_end();
         I!=E; ++I) {
      os << "<tr><td></td><td>" << html::EscapeText(*I) << "</td></tr>\n";
    }

    os << "</table>\n<!-- REPORTSUMMARYEXTRA -->\n"
          "<h3>Annotated Source Code</h3>\n";

    R.InsertTextBefore(SMgr.getLocForStartOfFile(FID), os.str());
  }

  // Embed meta-data tags.
  {
    std::string s;
    llvm::raw_string_ostream os(s);

    StringRef BugDesc = D.getVerboseDescription();
    if (!BugDesc.empty())
      os << "\n<!-- BUGDESC " << BugDesc << " -->\n";

    StringRef BugType = D.getBugType();
    if (!BugType.empty())
      os << "\n<!-- BUGTYPE " << BugType << " -->\n";

    StringRef BugCategory = D.getCategory();
    if (!BugCategory.empty())
      os << "\n<!-- BUGCATEGORY " << BugCategory << " -->\n";

    os << "\n<!-- BUGFILE " << DirName << Entry->getName() << " -->\n";

    os << "\n<!-- FILENAME " << llvm::sys::path::filename(Entry->getName()) << " -->\n";

    os  << "\n<!-- FUNCTIONNAME " <<  declName << " -->\n";

    os << "\n<!-- BUGLINE "
       << LineNumber
       << " -->\n";

    os << "\n<!-- BUGCOLUMN "
      << ColumnNumber
      << " -->\n";

    os << "\n<!-- BUGPATHLENGTH " << path.size() << " -->\n";

    // Mark the end of the tags.
    os << "\n<!-- BUGMETAEND -->\n";

    // Insert the text.
    R.InsertTextBefore(SMgr.getLocForStartOfFile(FID), os.str());
  }

  // Add CSS, header, and footer.

  html::AddHeaderFooterInternalBuiltinCSS(R, FID, Entry->getName());

  // Get the rewrite buffer.
  const RewriteBuffer *Buf = R.getRewriteBufferFor(FID);

  if (!Buf) {
    llvm::errs() << "warning: no diagnostics generated for main file.\n";
    return;
  }

  // Create a path for the target HTML file.
  int FD;
  SmallString<128> Model, ResultPath;

  if (!AnalyzerOpts.shouldWriteStableReportFilename()) {
      llvm::sys::path::append(Model, Directory, "report-%%%%%%.html");

      if (std::error_code EC =
          llvm::sys::fs::createUniqueFile(Model, FD, ResultPath)) {
          llvm::errs() << "warning: could not create file in '" << Directory
                       << "': " << EC.message() << '\n';
          return;
      }

  } else {
      int i = 1;
      std::error_code EC;
      do {
          // Find a filename which is not already used
          std::stringstream filename;
          Model = "";
          filename << "report-"
                   << llvm::sys::path::filename(Entry->getName()).str()
                   << "-" << declName.c_str()
                   << "-" << offsetDecl
                   << "-" << i << ".html";
          llvm::sys::path::append(Model, Directory,
                                  filename.str());
          EC = llvm::sys::fs::openFileForWrite(Model,
                                               FD,
                                               llvm::sys::fs::F_RW |
                                               llvm::sys::fs::F_Excl);
          if (EC && EC != std::errc::file_exists) {
              llvm::errs() << "warning: could not create file '" << Model
                           << "': " << EC.message() << '\n';
              return;
          }
          i++;
      } while (EC);
  }

  llvm::raw_fd_ostream os(FD, true);

  if (filesMade)
    filesMade->addDiagnostic(D, getName(),
                             llvm::sys::path::filename(ResultPath));

  // Emit the HTML to disk.
  for (RewriteBuffer::iterator I = Buf->begin(), E = Buf->end(); I!=E; ++I)
      os << *I;
}
Beispiel #29
0
void CommentASTToXMLConverter::visitFullComment(const FullComment *C) {
  FullCommentParts Parts(C, Traits);

  const DeclInfo *DI = C->getDeclInfo();
  StringRef RootEndTag;
  if (DI) {
    switch (DI->getKind()) {
    case DeclInfo::OtherKind:
      RootEndTag = "</Other>";
      Result << "<Other";
      break;
    case DeclInfo::FunctionKind:
      RootEndTag = "</Function>";
      Result << "<Function";
      switch (DI->TemplateKind) {
      case DeclInfo::NotTemplate:
        break;
      case DeclInfo::Template:
        Result << " templateKind=\"template\"";
        break;
      case DeclInfo::TemplateSpecialization:
        Result << " templateKind=\"specialization\"";
        break;
      case DeclInfo::TemplatePartialSpecialization:
        llvm_unreachable("partial specializations of functions "
                         "are not allowed in C++");
      }
      if (DI->IsInstanceMethod)
        Result << " isInstanceMethod=\"1\"";
      if (DI->IsClassMethod)
        Result << " isClassMethod=\"1\"";
      break;
    case DeclInfo::ClassKind:
      RootEndTag = "</Class>";
      Result << "<Class";
      switch (DI->TemplateKind) {
      case DeclInfo::NotTemplate:
        break;
      case DeclInfo::Template:
        Result << " templateKind=\"template\"";
        break;
      case DeclInfo::TemplateSpecialization:
        Result << " templateKind=\"specialization\"";
        break;
      case DeclInfo::TemplatePartialSpecialization:
        Result << " templateKind=\"partialSpecialization\"";
        break;
      }
      break;
    case DeclInfo::VariableKind:
      RootEndTag = "</Variable>";
      Result << "<Variable";
      break;
    case DeclInfo::NamespaceKind:
      RootEndTag = "</Namespace>";
      Result << "<Namespace";
      break;
    case DeclInfo::TypedefKind:
      RootEndTag = "</Typedef>";
      Result << "<Typedef";
      break;
    case DeclInfo::EnumKind:
      RootEndTag = "</Enum>";
      Result << "<Enum";
      break;
    }

    {
      // Print line and column number.
      SourceLocation Loc = DI->CurrentDecl->getLocation();
      std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
      FileID FID = LocInfo.first;
      unsigned FileOffset = LocInfo.second;

      if (FID.isValid()) {
        if (const FileEntry *FE = SM.getFileEntryForID(FID)) {
          Result << " file=\"";
          appendToResultWithXMLEscaping(FE->getName());
          Result << "\"";
        }
        Result << " line=\"" << SM.getLineNumber(FID, FileOffset)
               << "\" column=\"" << SM.getColumnNumber(FID, FileOffset)
               << "\"";
      }
    }

    // Finish the root tag.
    Result << ">";

    bool FoundName = false;
    if (const NamedDecl *ND = dyn_cast<NamedDecl>(DI->CommentDecl)) {
      if (DeclarationName DeclName = ND->getDeclName()) {
        Result << "<Name>";
        std::string Name = DeclName.getAsString();
        appendToResultWithXMLEscaping(Name);
        FoundName = true;
        Result << "</Name>";
      }
    }
    if (!FoundName)
      Result << "<Name>&lt;anonymous&gt;</Name>";

    {
      // Print USR.
      SmallString<128> USR;
      generateUSRForDecl(DI->CommentDecl, USR);
      if (!USR.empty()) {
        Result << "<USR>";
        appendToResultWithXMLEscaping(USR);
        Result << "</USR>";
      }
    }
  } else {
    // No DeclInfo -- just emit some root tag and name tag.
    RootEndTag = "</Other>";
    Result << "<Other><Name>unknown</Name>";
  }

  if (Parts.Headerfile) {
    Result << "<Headerfile>";
    visit(Parts.Headerfile);
    Result << "</Headerfile>";
  }

  {
    // Pretty-print the declaration.
    Result << "<Declaration>";
    SmallString<128> Declaration;
    getSourceTextOfDeclaration(DI, Declaration);
    formatTextOfDeclaration(DI, Declaration);
    appendToResultWithXMLEscaping(Declaration);
    Result << "</Declaration>";
  }

  bool FirstParagraphIsBrief = false;
  if (Parts.Brief) {
    Result << "<Abstract>";
    visit(Parts.Brief);
    Result << "</Abstract>";
  } else if (Parts.FirstParagraph) {
    Result << "<Abstract>";
    visit(Parts.FirstParagraph);
    Result << "</Abstract>";
    FirstParagraphIsBrief = true;
  }

  if (Parts.TParams.size() != 0) {
    Result << "<TemplateParameters>";
    for (unsigned i = 0, e = Parts.TParams.size(); i != e; ++i)
      visit(Parts.TParams[i]);
    Result << "</TemplateParameters>";
  }

  if (Parts.Params.size() != 0) {
    Result << "<Parameters>";
    for (unsigned i = 0, e = Parts.Params.size(); i != e; ++i)
      visit(Parts.Params[i]);
    Result << "</Parameters>";
  }

  if (Parts.Exceptions.size() != 0) {
    Result << "<Exceptions>";
    for (unsigned i = 0, e = Parts.Exceptions.size(); i != e; ++i)
      visit(Parts.Exceptions[i]);
    Result << "</Exceptions>";
  }

  if (Parts.Returns.size() != 0) {
    Result << "<ResultDiscussion>";
    for (unsigned i = 0, e = Parts.Returns.size(); i != e; ++i)
      visit(Parts.Returns[i]);
    Result << "</ResultDiscussion>";
  }

  if (DI->CommentDecl->hasAttrs()) {
    const AttrVec &Attrs = DI->CommentDecl->getAttrs();
    for (unsigned i = 0, e = Attrs.size(); i != e; i++) {
      const AvailabilityAttr *AA = dyn_cast<AvailabilityAttr>(Attrs[i]);
      if (!AA) {
        if (const DeprecatedAttr *DA = dyn_cast<DeprecatedAttr>(Attrs[i])) {
          if (DA->getMessage().empty())
            Result << "<Deprecated/>";
          else {
            Result << "<Deprecated>";
            appendToResultWithXMLEscaping(DA->getMessage());
            Result << "</Deprecated>";
          }
        }
        else if (const UnavailableAttr *UA = dyn_cast<UnavailableAttr>(Attrs[i])) {
          if (UA->getMessage().empty())
            Result << "<Unavailable/>";
          else {
            Result << "<Unavailable>";
            appendToResultWithXMLEscaping(UA->getMessage());
            Result << "</Unavailable>";
          }
        }
        continue;
      }

      // 'availability' attribute.
      Result << "<Availability";
      StringRef Distribution;
      if (AA->getPlatform()) {
        Distribution = AvailabilityAttr::getPrettyPlatformName(
                                        AA->getPlatform()->getName());
        if (Distribution.empty())
          Distribution = AA->getPlatform()->getName();
      }
      Result << " distribution=\"" << Distribution << "\">";
      VersionTuple IntroducedInVersion = AA->getIntroduced();
      if (!IntroducedInVersion.empty()) {
        Result << "<IntroducedInVersion>"
               << IntroducedInVersion.getAsString()
               << "</IntroducedInVersion>";
      }
      VersionTuple DeprecatedInVersion = AA->getDeprecated();
      if (!DeprecatedInVersion.empty()) {
        Result << "<DeprecatedInVersion>"
               << DeprecatedInVersion.getAsString()
               << "</DeprecatedInVersion>";
      }
      VersionTuple RemovedAfterVersion = AA->getObsoleted();
      if (!RemovedAfterVersion.empty()) {
        Result << "<RemovedAfterVersion>"
               << RemovedAfterVersion.getAsString()
               << "</RemovedAfterVersion>";
      }
      StringRef DeprecationSummary = AA->getMessage();
      if (!DeprecationSummary.empty()) {
        Result << "<DeprecationSummary>";
        appendToResultWithXMLEscaping(DeprecationSummary);
        Result << "</DeprecationSummary>";
      }
      if (AA->getUnavailable())
        Result << "<Unavailable/>";
      Result << "</Availability>";
    }
  }

  {
    bool StartTagEmitted = false;
    for (unsigned i = 0, e = Parts.MiscBlocks.size(); i != e; ++i) {
      const Comment *C = Parts.MiscBlocks[i];
      if (FirstParagraphIsBrief && C == Parts.FirstParagraph)
        continue;
      if (!StartTagEmitted) {
        Result << "<Discussion>";
        StartTagEmitted = true;
      }
      visit(C);
    }
    if (StartTagEmitted)
      Result << "</Discussion>";
  }

  Result << RootEndTag;
}
Beispiel #30
0
void CommentASTToXMLConverter::visitFullComment(const FullComment *C) {
  FullCommentParts Parts(C);

  const DeclInfo *DI = C->getDeclInfo();
  StringRef RootEndTag;
  if (DI) {
    switch (DI->getKind()) {
    case DeclInfo::OtherKind:
      RootEndTag = "</Other>";
      Result << "<Other";
      break;
    case DeclInfo::FunctionKind:
      RootEndTag = "</Function>";
      Result << "<Function";
      switch (DI->TemplateKind) {
      case DeclInfo::NotTemplate:
        break;
      case DeclInfo::Template:
        Result << " templateKind=\"template\"";
        break;
      case DeclInfo::TemplateSpecialization:
        Result << " templateKind=\"specialization\"";
        break;
      case DeclInfo::TemplatePartialSpecialization:
        llvm_unreachable("partial specializations of functions "
                         "are not allowed in C++");
      }
      if (DI->IsInstanceMethod)
        Result << " isInstanceMethod=\"1\"";
      if (DI->IsClassMethod)
        Result << " isClassMethod=\"1\"";
      break;
    case DeclInfo::ClassKind:
      RootEndTag = "</Class>";
      Result << "<Class";
      switch (DI->TemplateKind) {
      case DeclInfo::NotTemplate:
        break;
      case DeclInfo::Template:
        Result << " templateKind=\"template\"";
        break;
      case DeclInfo::TemplateSpecialization:
        Result << " templateKind=\"specialization\"";
        break;
      case DeclInfo::TemplatePartialSpecialization:
        Result << " templateKind=\"partialSpecialization\"";
        break;
      }
      break;
    case DeclInfo::VariableKind:
      RootEndTag = "</Variable>";
      Result << "<Variable";
      break;
    case DeclInfo::NamespaceKind:
      RootEndTag = "</Namespace>";
      Result << "<Namespace";
      break;
    case DeclInfo::TypedefKind:
      RootEndTag = "</Typedef>";
      Result << "<Typedef";
      break;
    case DeclInfo::EnumKind:
      RootEndTag = "</Enum>";
      Result << "<Enum";
      break;
    }

    {
      // Print line and column number.
      SourceLocation Loc = DI->ThisDecl->getLocation();
      std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
      FileID FID = LocInfo.first;
      unsigned FileOffset = LocInfo.second;

      if (!FID.isInvalid()) {
        if (const FileEntry *FE = SM.getFileEntryForID(FID)) {
          Result << " file=\"";
          appendToResultWithXMLEscaping(FE->getName());
          Result << "\"";
        }
        Result << " line=\"" << SM.getLineNumber(FID, FileOffset)
               << "\" column=\"" << SM.getColumnNumber(FID, FileOffset)
               << "\"";
      }
    }

    // Finish the root tag.
    Result << ">";

    bool FoundName = false;
    if (const NamedDecl *ND = dyn_cast<NamedDecl>(DI->ThisDecl)) {
      if (DeclarationName DeclName = ND->getDeclName()) {
        Result << "<Name>";
        std::string Name = DeclName.getAsString();
        appendToResultWithXMLEscaping(Name);
        FoundName = true;
        Result << "</Name>";
      }
    }
    if (!FoundName)
      Result << "<Name>&lt;anonymous&gt;</Name>";

    {
      // Print USR.
      SmallString<128> USR;
      cxcursor::getDeclCursorUSR(DI->ThisDecl, USR);
      if (!USR.empty()) {
        Result << "<USR>";
        appendToResultWithXMLEscaping(USR);
        Result << "</USR>";
      }
    }
  } else {
    // No DeclInfo -- just emit some root tag and name tag.
    RootEndTag = "</Other>";
    Result << "<Other><Name>unknown</Name>";
  }

  bool FirstParagraphIsBrief = false;
  if (Parts.Brief) {
    Result << "<Abstract>";
    visit(Parts.Brief);
    Result << "</Abstract>";
  } else if (Parts.FirstParagraph) {
    Result << "<Abstract>";
    visit(Parts.FirstParagraph);
    Result << "</Abstract>";
    FirstParagraphIsBrief = true;
  }

  if (Parts.TParams.size() != 0) {
    Result << "<TemplateParameters>";
    for (unsigned i = 0, e = Parts.TParams.size(); i != e; ++i)
      visit(Parts.TParams[i]);
    Result << "</TemplateParameters>";
  }

  if (Parts.Params.size() != 0) {
    Result << "<Parameters>";
    for (unsigned i = 0, e = Parts.Params.size(); i != e; ++i)
      visit(Parts.Params[i]);
    Result << "</Parameters>";
  }

  if (Parts.Returns) {
    Result << "<ResultDiscussion>";
    visit(Parts.Returns);
    Result << "</ResultDiscussion>";
  }

  {
    bool StartTagEmitted = false;
    for (unsigned i = 0, e = Parts.MiscBlocks.size(); i != e; ++i) {
      const Comment *C = Parts.MiscBlocks[i];
      if (FirstParagraphIsBrief && C == Parts.FirstParagraph)
        continue;
      if (!StartTagEmitted) {
        Result << "<Discussion>";
        StartTagEmitted = true;
      }
      visit(C);
    }
    if (StartTagEmitted)
      Result << "</Discussion>";
  }

  Result << RootEndTag;

  Result.flush();
}