void PlistDiagnostics::FlushDiagnosticsImpl(
                                    std::vector<const PathDiagnostic *> &Diags,
                                    FilesMade *filesMade) {
  // Build up a set of FIDs that we use by scanning the locations and
  // ranges of the diagnostics.
  FIDMap FM;
  SmallVector<FileID, 10> Fids;
  const SourceManager* SM = nullptr;

  if (!Diags.empty())
    SM = &(*(*Diags.begin())->path.begin())->getLocation().getManager();


  for (std::vector<const PathDiagnostic*>::iterator DI = Diags.begin(),
       DE = Diags.end(); DI != DE; ++DI) {

    const PathDiagnostic *D = *DI;

    SmallVector<const PathPieces *, 5> WorkList;
    WorkList.push_back(&D->path);

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

      for (PathPieces::const_iterator I = path.begin(), E = path.end(); I != E;
           ++I) {
        const PathDiagnosticPiece *piece = I->get();
        AddFID(FM, Fids, *SM, piece->getLocation().asLocation());
        ArrayRef<SourceRange> Ranges = piece->getRanges();
        for (ArrayRef<SourceRange>::iterator I = Ranges.begin(),
                                             E = Ranges.end(); I != E; ++I) {
          AddFID(FM, Fids, *SM, I->getBegin());
          AddFID(FM, Fids, *SM, I->getEnd());
        }

        if (const PathDiagnosticCallPiece *call =
            dyn_cast<PathDiagnosticCallPiece>(piece)) {
          IntrusiveRefCntPtr<PathDiagnosticEventPiece>
            callEnterWithin = call->getCallEnterWithinCallerEvent();
          if (callEnterWithin)
            AddFID(FM, Fids, *SM, callEnterWithin->getLocation().asLocation());

          WorkList.push_back(&call->path);
        }
        else if (const PathDiagnosticMacroPiece *macro =
                 dyn_cast<PathDiagnosticMacroPiece>(piece)) {
          WorkList.push_back(&macro->subPieces);
        }
      }
    }
  }

  // Open the file.
  std::error_code EC;
  llvm::raw_fd_ostream o(OutputFile, EC, llvm::sys::fs::F_Text);
  if (EC) {
    llvm::errs() << "warning: could not create file: " << EC.message() << '\n';
    return;
  }

  EmitPlistHeader(o);

  // Write the root object: a <dict> containing...
  //  - "clang_version", the string representation of clang version
  //  - "files", an <array> mapping from FIDs to file names
  //  - "diagnostics", an <array> containing the path diagnostics
  o << "<dict>\n" <<
       " <key>clang_version</key>\n";
  EmitString(o, getClangFullVersion()) << '\n';
  o << " <key>files</key>\n"
       " <array>\n";

  for (FileID FID : Fids)
    EmitString(o << "  ", SM->getFileEntryForID(FID)->getName()) << '\n';

  o << " </array>\n"
       " <key>diagnostics</key>\n"
       " <array>\n";

  for (std::vector<const PathDiagnostic*>::iterator DI=Diags.begin(),
       DE = Diags.end(); DI!=DE; ++DI) {

    o << "  <dict>\n"
         "   <key>path</key>\n";

    const PathDiagnostic *D = *DI;

    o << "   <array>\n";

    for (PathPieces::const_iterator I = D->path.begin(), E = D->path.end();
         I != E; ++I)
      ReportDiag(o, **I, FM, *SM, LangOpts);

    o << "   </array>\n";

    // Output the bug type and bug category.
    o << "   <key>description</key>";
    EmitString(o, D->getShortDescription()) << '\n';
    o << "   <key>category</key>";
    EmitString(o, D->getCategory()) << '\n';
    o << "   <key>type</key>";
    EmitString(o, D->getBugType()) << '\n';
    o << "   <key>check_name</key>";
    EmitString(o, D->getCheckName()) << '\n';

    o << "   <!-- This hash is experimental and going to change! -->\n";
    o << "   <key>issue_hash_content_of_line_in_context</key>";
    PathDiagnosticLocation UPDLoc = D->getUniqueingLoc();
    FullSourceLoc L(SM->getExpansionLoc(UPDLoc.isValid()
                                            ? UPDLoc.asLocation()
                                            : D->getLocation().asLocation()),
                    *SM);
    const Decl *DeclWithIssue = D->getDeclWithIssue();
    EmitString(o, GetIssueHash(*SM, L, D->getCheckName(), D->getBugType(),
                               DeclWithIssue))
        << '\n';

    // Output information about the semantic context where
    // the issue occurred.
    if (const Decl *DeclWithIssue = D->getDeclWithIssue()) {
      // FIXME: handle blocks, which have no name.
      if (const NamedDecl *ND = dyn_cast<NamedDecl>(DeclWithIssue)) {
        StringRef declKind;
        switch (ND->getKind()) {
          case Decl::CXXRecord:
            declKind = "C++ class";
            break;
          case Decl::CXXMethod:
            declKind = "C++ method";
            break;
          case Decl::ObjCMethod:
            declKind = "Objective-C method";
            break;
          case Decl::Function:
            declKind = "function";
            break;
          default:
            break;
        }
        if (!declKind.empty()) {
          const std::string &declName = ND->getDeclName().getAsString();
          o << "  <key>issue_context_kind</key>";
          EmitString(o, declKind) << '\n';
          o << "  <key>issue_context</key>";
          EmitString(o, declName) << '\n';
        }

        // Output the bug hash for issue unique-ing. Currently, it's just an
        // offset from the beginning of the function.
        if (const Stmt *Body = DeclWithIssue->getBody()) {

          // If the bug uniqueing location exists, use it for the hash.
          // For example, this ensures that two leaks reported on the same line
          // will have different issue_hashes and that the hash will identify
          // the leak location even after code is added between the allocation
          // site and the end of scope (leak report location).
          if (UPDLoc.isValid()) {
            FullSourceLoc UFunL(SM->getExpansionLoc(
              D->getUniqueingDecl()->getBody()->getLocStart()), *SM);
            o << "  <key>issue_hash_function_offset</key><string>"
              << L.getExpansionLineNumber() - UFunL.getExpansionLineNumber()
              << "</string>\n";

          // Otherwise, use the location on which the bug is reported.
          } else {
            FullSourceLoc FunL(SM->getExpansionLoc(Body->getLocStart()), *SM);
            o << "  <key>issue_hash_function_offset</key><string>"
              << L.getExpansionLineNumber() - FunL.getExpansionLineNumber()
              << "</string>\n";
          }

        }
      }
    }

    // Output the location of the bug.
    o << "  <key>location</key>\n";
    EmitLocation(o, *SM, D->getLocation().asLocation(), FM, 2);

    // Output the diagnostic to the sub-diagnostic client, if any.
    if (!filesMade->empty()) {
      StringRef lastName;
      PDFileEntry::ConsumerFiles *files = filesMade->getFiles(*D);
      if (files) {
        for (PDFileEntry::ConsumerFiles::const_iterator CI = files->begin(),
                CE = files->end(); CI != CE; ++CI) {
          StringRef newName = CI->first;
          if (newName != lastName) {
            if (!lastName.empty()) {
              o << "  </array>\n";
            }
            lastName = newName;
            o <<  "  <key>" << lastName << "_files</key>\n";
            o << "  <array>\n";
          }
          o << "   <string>" << CI->second << "</string>\n";
        }
        o << "  </array>\n";
      }
    }

    // Close up the entry.
    o << "  </dict>\n";
  }

  o << " </array>\n";

  // Finish.
  o << "</dict>\n</plist>";
}
Exemplo n.º 2
0
void PlistDiagnostics::FlushDiagnosticsImpl(
                                    std::vector<const PathDiagnostic *> &Diags,
                                    FilesMade *filesMade) {
  // Build up a set of FIDs that we use by scanning the locations and
  // ranges of the diagnostics.
  FIDMap FM;
  SmallVector<FileID, 10> Fids;
  const SourceManager* SM = 0;

  if (!Diags.empty())
    SM = &(*(*Diags.begin())->path.begin())->getLocation().getManager();

  
  for (std::vector<const PathDiagnostic*>::iterator DI = Diags.begin(),
       DE = Diags.end(); DI != DE; ++DI) {

    const PathDiagnostic *D = *DI;

    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();
        AddFID(FM, Fids, SM, piece->getLocation().asLocation());
        ArrayRef<SourceRange> Ranges = piece->getRanges();
        for (ArrayRef<SourceRange>::iterator I = Ranges.begin(),
                                             E = Ranges.end(); I != E; ++I) {
          AddFID(FM, Fids, SM, I->getBegin());
          AddFID(FM, Fids, SM, I->getEnd());
        }

        if (const PathDiagnosticCallPiece *call =
            dyn_cast<PathDiagnosticCallPiece>(piece)) {
          IntrusiveRefCntPtr<PathDiagnosticEventPiece>
            callEnterWithin = call->getCallEnterWithinCallerEvent();
          if (callEnterWithin)
            AddFID(FM, Fids, SM, callEnterWithin->getLocation().asLocation());

          WorkList.push_back(&call->path);
        }
        else if (const PathDiagnosticMacroPiece *macro =
                 dyn_cast<PathDiagnosticMacroPiece>(piece)) {
          WorkList.push_back(&macro->subPieces);
        }
      }
    }
  }

  // Open the file.
  std::string ErrMsg;
  llvm::raw_fd_ostream o(OutputFile.c_str(), ErrMsg);
  if (!ErrMsg.empty()) {
    llvm::errs() << "warning: could not create file: " << OutputFile << '\n';
    return;
  }

  // Write the plist header.
  o << "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
  "<!DOCTYPE plist PUBLIC \"-//Apple Computer//DTD PLIST 1.0//EN\" "
  "\"http://www.apple.com/DTDs/PropertyList-1.0.dtd\">\n"
  "<plist version=\"1.0\">\n";

  // Write the root object: a <dict> containing...
  //  - "files", an <array> mapping from FIDs to file names
  //  - "diagnostics", an <array> containing the path diagnostics
  o << "<dict>\n"
       " <key>files</key>\n"
       " <array>\n";

  for (SmallVectorImpl<FileID>::iterator I=Fids.begin(), E=Fids.end();
       I!=E; ++I) {
    o << "  ";
    EmitString(o, SM->getFileEntryForID(*I)->getName()) << '\n';
  }

  o << " </array>\n"
       " <key>diagnostics</key>\n"
       " <array>\n";

  for (std::vector<const PathDiagnostic*>::iterator DI=Diags.begin(),
       DE = Diags.end(); DI!=DE; ++DI) {

    o << "  <dict>\n"
         "   <key>path</key>\n";

    const PathDiagnostic *D = *DI;

    o << "   <array>\n";

    for (PathPieces::const_iterator I = D->path.begin(), E = D->path.end(); 
         I != E; ++I)
      ReportDiag(o, **I, FM, *SM, LangOpts);

    o << "   </array>\n";

    // Output the bug type and bug category.
    o << "   <key>description</key>";
    EmitString(o, D->getShortDescription()) << '\n';
    o << "   <key>category</key>";
    EmitString(o, D->getCategory()) << '\n';
    o << "   <key>type</key>";
    EmitString(o, D->getBugType()) << '\n';
    
    // Output information about the semantic context where
    // the issue occurred.
    if (const Decl *DeclWithIssue = D->getDeclWithIssue()) {
      // FIXME: handle blocks, which have no name.
      if (const NamedDecl *ND = dyn_cast<NamedDecl>(DeclWithIssue)) {
        StringRef declKind;
        switch (ND->getKind()) {
          case Decl::CXXRecord:
            declKind = "C++ class";
            break;
          case Decl::CXXMethod:
            declKind = "C++ method";
            break;
          case Decl::ObjCMethod:
            declKind = "Objective-C method";
            break;
          case Decl::Function:
            declKind = "function";
            break;
          default:
            break;
        }
        if (!declKind.empty()) {
          const std::string &declName = ND->getDeclName().getAsString();
          o << "  <key>issue_context_kind</key>";
          EmitString(o, declKind) << '\n';
          o << "  <key>issue_context</key>";
          EmitString(o, declName) << '\n';
        }

        // Output the bug hash for issue unique-ing. Currently, it's just an
        // offset from the beginning of the function.
        if (const Stmt *Body = DeclWithIssue->getBody()) {
          FullSourceLoc Loc(SM->getExpansionLoc(D->getLocation().asLocation()),
                            *SM);
          FullSourceLoc FunLoc(SM->getExpansionLoc(Body->getLocStart()), *SM);
          o << "  <key>issue_hash</key><integer>"
              << Loc.getExpansionLineNumber() - FunLoc.getExpansionLineNumber()
              << "</integer>\n";
        }
      }
    }

    // Output the location of the bug.
    o << "  <key>location</key>\n";
    EmitLocation(o, *SM, LangOpts, D->getLocation(), FM, 2);

    // Output the diagnostic to the sub-diagnostic client, if any.
    if (!filesMade->empty()) {
      StringRef lastName;
      PDFileEntry::ConsumerFiles *files = filesMade->getFiles(*D);
      if (files) {
        for (PDFileEntry::ConsumerFiles::const_iterator CI = files->begin(),
                CE = files->end(); CI != CE; ++CI) {
          StringRef newName = CI->first;
          if (newName != lastName) {
            if (!lastName.empty()) {
              o << "  </array>\n";
            }
            lastName = newName;
            o <<  "  <key>" << lastName << "_files</key>\n";
            o << "  <array>\n";
          }
          o << "   <string>" << CI->second << "</string>\n";
        }
        o << "  </array>\n";
      }
    }

    // Close up the entry.
    o << "  </dict>\n";
  }

  o << " </array>\n";

  // Finish.
  o << "</dict>\n</plist>";  
}