C++ PathPieces::end方法代码示例

static Optional<bool> comparePath(const PathPieces &X, const PathPieces &Y) {
  if (X.size() != Y.size())
    return X.size() < Y.size();

  PathPieces::const_iterator X_I = X.begin(), X_end = X.end();
  PathPieces::const_iterator Y_I = Y.begin(), Y_end = Y.end();

  for ( ; X_I != X_end && Y_I != Y_end; ++X_I, ++Y_I) {
    Optional<bool> b = comparePiece(**X_I, **Y_I);
    if (b.hasValue())
      return b.getValue();
  }

  return None;
}

static void compute_path_size(const PathPieces &pieces, unsigned &size) {
  for (PathPieces::const_iterator it = pieces.begin(),
                                  et = pieces.end(); it != et; ++it) {
    const PathDiagnosticPiece *piece = it->getPtr();
    if (const PathDiagnosticCallPiece *cp = 
        dyn_cast<PathDiagnosticCallPiece>(piece)) {
      compute_path_size(cp->path, size);
    }
    else
      ++size;
  }
}

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.front()->getLocation().getManager();
  assert(!path.empty());
  FileID FID =
    path.front()->getLocation().asLocation().getExpansionLoc().getFileID();
  assert(FID.isValid());

  // 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.back()->getLocation().asLocation()),
              SMgr);
          FullSourceLoc FunL(SMgr.getExpansionLoc(Body->getLocStart()), SMgr);
          offsetDecl = L.getExpansionLineNumber() - FunL.getExpansionLineNumber();
      }
  }

  // Process the path.
  // Maintain the counts of extra note pieces separately.
  unsigned TotalPieces = path.size();
  unsigned TotalNotePieces =
      std::count_if(path.begin(), path.end(),
                    [](const std::shared_ptr<PathDiagnosticPiece> &p) {
                      return isa<PathDiagnosticNotePiece>(*p);
                    });

  unsigned TotalRegularPieces = TotalPieces - TotalNotePieces;
  unsigned NumRegularPieces = TotalRegularPieces;
  unsigned NumNotePieces = TotalNotePieces;

  for (auto I = path.rbegin(), E = path.rend(); I != E; ++I) {
    if (isa<PathDiagnosticNotePiece>(I->get())) {
      // This adds diagnostic bubbles, but not navigation.
      // Navigation through note pieces would be added later,
      // as a separate pass through the piece list.
      HandlePiece(R, FID, **I, NumNotePieces, TotalNotePieces);
      --NumNotePieces;
    } else {
      HandlePiece(R, FID, **I, NumRegularPieces, TotalRegularPieces);
      --NumRegularPieces;
    }
  }

  // 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;
//.........这里部分代码省略.........