Java Code Examples for com.sun.tools.javac.util.Position#NOPOS

public DCDocComment parse() {
    String c = comment.getText();
    buf = new char[c.length() + 1];
    c.getChars(0, c.length(), buf, 0);
    buf[buf.length - 1] = EOI;
    buflen = buf.length - 1;
    bp = -1;
    nextChar();

    List<DCTree> body = blockContent();
    List<DCTree> tags = blockTags();
    int pos = !body.isEmpty()
            ? body.head.pos
            : !tags.isEmpty() ? tags.head.pos : Position.NOPOS;

    DCDocComment dc = m.at(pos).newDocCommentTree(comment, body, tags);
    return dc;
}
 

@Override
public Pair<ASTRecord, Integer> visitMethod(MethodTree node, Insertion ins) {
  dbug.debug("TypePositionFinder.visitMethod%n");
  super.visitMethod(node, ins);

  JCMethodDecl jcnode = (JCMethodDecl) node;
  JCVariableDecl jcvar = (JCVariableDecl) node.getReceiverParameter();
  if (jcvar != null) { return pathAndPos(jcvar); }

  int pos = Position.NOPOS;
  ASTRecord astPath = astRecord(jcnode)
      .extend(Tree.Kind.METHOD, ASTPath.PARAMETER, -1);

  if (node.getParameters().isEmpty()) {
    // no parameters; find first (uncommented) '(' after method name
    pos = findMethodName(jcnode);
    if (pos >= 0) { pos = getFirstInstanceAfter('(', pos); }
    if (++pos <= 0) {
      throw new RuntimeException("Couldn't find param opening paren for: "
          + jcnode);
    }
  } else {
    pos = ((JCTree) node.getParameters().get(0)).getStartPosition();
  }
  return Pair.of(astPath, pos);
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

public String toString() {
    // Backwards compatibility hack. ZipFileObjects use the format
    // zipfile(zipentry) but javadoc has been using zipfile/zipentry
    String fn = filename.getName();
    if (fn.endsWith(")")) {
        int paren = fn.lastIndexOf("(");
        if (paren != -1)
            fn = fn.substring(0, paren)
                    + File.separatorChar
                    + fn.substring(paren + 1, fn.length() - 1);
    }

    if (position == Position.NOPOS)
        return fn;
    else
        return fn + ":" + line();
}
 

void checkEndPos(CompilationUnitTree unit, Tree tree) {
    long sp = srcPosns.getStartPosition(unit, tree);
    long ep = srcPosns.getEndPosition(unit, tree);
    if (sp >= 0 && ep == Position.NOPOS) {
        error("endpos not set for " + tree.getKind()
                + " " + Pretty.toSimpleString(((JCTree) tree))
                +", start:" + sp);
    }
}
 

@Override @DefinedBy(Api.COMPILER_TREE)
public DCDocComment newDocCommentTree(List<? extends DocTree> fullBody, List<? extends DocTree> tags) {
    ListBuffer<DCTree> lb = new ListBuffer<>();
    lb.addAll(cast(fullBody));
    List<DCTree> fBody = lb.toList();

    // A dummy comment to keep the diagnostics logic happy.
    Comment c = new Comment() {
        @Override
        public String getText() {
            return null;
        }

        @Override
        public int getSourcePos(int index) {
            return Position.NOPOS;
        }

        @Override
        public CommentStyle getStyle() {
            return CommentStyle.JAVADOC;
        }

        @Override
        public boolean isDeprecated() {
            return false;
        }
    };
    Pair<List<DCTree>, List<DCTree>> pair = splitBody(fullBody);
    DCDocComment tree = new DCDocComment(c, fBody, pair.fst, pair.snd, cast(tags));
    return tree;
}
 

void checkEndPos(CompilationUnitTree unit, Tree tree) {
    long sp = srcPosns.getStartPosition(unit, tree);
    long ep = srcPosns.getEndPosition(unit, tree);
    if (sp >= 0 && ep == Position.NOPOS) {
        error("endpos not set for " + tree.getKind()
                + " " + Pretty.toSimpleString(((JCTree) tree))
                +", start:" + sp);
    }
}
 

JavacSourcePosition(JavaFileObject sourcefile,
                    int pos,
                    Position.LineMap lineMap) {
    this.sourcefile = sourcefile;
    this.pos = pos;
    this.lineMap = (pos != Position.NOPOS) ? lineMap : null;
}
 

/**
 * Returns the start position of the method's name.  In particular,
 * works properly for constructors, for which the name field in the
 * AST is always "<init>" instead of the name from the source.
 *
 * @param node AST node of method declaration
 * @return position of method name (from {@link JCMethodDecl#sym}) in source
 */
private int findMethodName(JCMethodDecl node) {
  String sym = node.sym.toString();
  String name = sym.substring(0, sym.indexOf('('));
  JCModifiers mods = node.getModifiers();
  JCBlock body = node.body;
  if ((mods.flags & Flags.GENERATEDCONSTR) != 0) { return Position.NOPOS; }
  int nodeStart = node.getStartPosition();
  int nodeEnd = node.getEndPosition(tree.endPositions);
  int nodeLength = nodeEnd - nodeStart;
  int modsLength = mods.getEndPosition(tree.endPositions)
      - mods.getStartPosition();  // can't trust string length!
  int bodyLength = body == null ? 1
      : body.getEndPosition(tree.endPositions) - body.getStartPosition();
  int start = nodeStart + modsLength;
  int end = nodeStart + nodeLength - bodyLength;
  int angle = name.lastIndexOf('>');  // check for type params
  if (angle >= 0) { name = name.substring(angle + 1); }

  try {
    CharSequence s = tree.getSourceFile().getCharContent(true);
    String regex = "\\b" + Pattern.quote(name) + "\\b";  // sufficient?
    Pattern pat = Pattern.compile(regex, Pattern.MULTILINE);
    Matcher mat = pat.matcher(s).region(start, end);
    return mat.find() ? mat.start() : Position.NOPOS;
  } catch (IOException e) {
    throw new RuntimeException(e);
  }
}
 

/** Create a tree maker with NOPOS as initial position.
 */
protected DocTreeMaker(Context context) {
    context.put(treeMakerKey, this);
    diags = JCDiagnostic.Factory.instance(context);
    this.pos = Position.NOPOS;
    trees = JavacTrees.instance(context);
    referenceParser = new ReferenceParser(ParserFactory.instance(context));
    sentenceBreakTags = EnumSet.of(H1, H2, H3, H4, H5, H6, PRE, P);
}
 

JavacSourcePosition(JavaFileObject sourcefile,
                    int pos,
                    Position.LineMap lineMap) {
    this.sourcefile = sourcefile;
    this.pos = pos;
    this.lineMap = (pos != Position.NOPOS) ? lineMap : null;
}
 

/** Reassign current position.
 */
public DocTreeMaker at(DiagnosticPosition pos) {
    this.pos = (pos == null ? Position.NOPOS : pos.getStartPosition());
    return this;
}
 

/** Create a tree maker with NOPOS as initial position.
 */
protected DocTreeMaker(Context context) {
    context.put(treeMakerKey, this);
    diags = JCDiagnostic.Factory.instance(context);
    this.pos = Position.NOPOS;
}
 

/** Create a tree maker with NOPOS as initial position.
 */
protected DocTreeMaker(Context context) {
    context.put(treeMakerKey, this);
    diags = JCDiagnostic.Factory.instance(context);
    this.pos = Position.NOPOS;
}
 

public boolean isEmptyStat(JCTree tree) {
	if (!(tree instanceof JCBlock)) return false;
	JCBlock block = (JCBlock) tree;
	return (Position.NOPOS == block.pos) && block.stats.isEmpty();
}
 

/** Reassign current position.
 */
public DocTreeMaker at(DiagnosticPosition pos) {
    this.pos = (pos == null ? Position.NOPOS : pos.getStartPosition());
    return this;
}
 

/** Reassign current position.
 */
public DocTreeMaker at(DiagnosticPosition pos) {
    this.pos = (pos == null ? Position.NOPOS : pos.getStartPosition());
    return this;
}
 

public void resetErrorEndPos() {
    delegate.errorEndPos = Position.NOPOS;
    errorEndPos = delegate.errorEndPos;
}
 

/** Constructor */
SourceRange() {
    startPos = Position.NOPOS;
    endPos = Position.NOPOS;
}