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SimpleNode.java

/*
 * Copyright © 2002 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * California 95054, U.S.A. All rights reserved.  Sun Microsystems, Inc. has
 * intellectual property rights relating to technology embodied in the product
 * that is described in this document. In particular, and without limitation,
 * these intellectual property rights may include one or more of the U.S.
 * patents listed at http://www.sun.com/patents and one or more additional
 * patents or pending patent applications in the U.S. and in other countries.
 * U.S. Government Rights - Commercial software. Government users are subject
 * to the Sun Microsystems, Inc. standard license agreement and applicable
 * provisions of the FAR and its supplements.  Use is subject to license terms.
 * Sun,  Sun Microsystems,  the Sun logo and  Java are trademarks or registered
 * trademarks of Sun Microsystems, Inc. in the U.S. and other countries.  This
 * product is covered and controlled by U.S. Export Control laws and may be
 * subject to the export or import laws in other countries.  Nuclear, missile,
 * chemical biological weapons or nuclear maritime end uses or end users,
 * whether direct or indirect, are strictly prohibited.  Export or reexport
 * to countries subject to U.S. embargo or to entities identified on U.S.
 * export exclusion lists, including, but not limited to, the denied persons
 * and specially designated nationals lists is strictly prohibited.
 */


/* Generated By:JJTree: Do not edit this line. SimpleNode.java */
/* JJT: 0.3pre1 */

import java.io.PrintWriter;

public class SimpleNode implements Node {
  protected Node parent;
  protected Node[] children;
  protected int id;

  public SimpleNode(int i) {
    id = i;
  }

  public void jjtOpen() {
  }

  public void jjtClose() {
  }
  
  public void jjtSetParent(Node n) { parent = n; }
  public Node jjtGetParent() { return parent; }

  public void jjtAddChild(Node n, int i) {
    if (children == null) {
      children = new Node[i + 1];
    } else if (i >= children.length) {
      Node c[] = new Node[i + 1];
      System.arraycopy(children, 0, c, 0, children.length);
      children = c;
    }
    children[i] = n;
  }

  public Node jjtGetChild(int i) {
    return children[i];
  }

  public int jjtGetNumChildren() {
    return (children == null) ? 0 : children.length;
  }

  /* You can override these two methods in subclasses of SimpleNode to
     customize the way the node appears when the tree is dumped.  If
     your output uses more than one line you should override
     toString(String), otherwise overriding toString() is probably all
     you need to do. */

  public String toString() { return ToyParserTreeConstants.jjtNodeName[id]; }
  public String toString(String prefix) { return prefix + toString(); }

  /* Override this method if you want to customize how the node dumps
     out its children. */

  public void dump(String prefix) {
    System.out.println(toString(prefix));
    if (children != null) {
      for (int i = 0; i < children.length; ++i) {
      SimpleNode n = (SimpleNode)children[i];
      if (n != null) {
        n.dump(prefix + " ");
      }
      }
    }
  }

// Manually inserted code begins here

  protected Token begin, end;
  public void setFirstToken(Token t) { begin = t; }
  public void setLastToken(Token t) { end = t; }

  public void process (PrintWriter ostr) {
    System.out.println("Error - this should not be called");
    throw new Error();
  }

  // The following method prints token t, as well as all preceding 
  // special tokens (essentially, white space and comments).

  protected void print(Token t, PrintWriter ostr) {
    Token tt = t.specialToken;
    if (tt != null) {
      while (tt.specialToken != null) tt = tt.specialToken;
      while (tt != null) {
        ostr.print(addUnicodeEscapes(tt.image));
        tt = tt.next;
      }
    }
    ostr.print(addUnicodeEscapes(t.image));
  }

  private String addUnicodeEscapes(String str) {
    String retval = "";
    char ch;
    for (int i = 0; i < str.length(); i++) {
      ch = str.charAt(i);
      if ((ch < 0x20 || ch > 0x7e) && ch != '\t' && ch != '\n' && ch != '\r' && ch != '\f') {
      String s = "0000" + Integer.toString(ch, 16);
      retval += "\\u" + s.substring(s.length() - 4, s.length());
      } else {
        retval += ch;
      }
    }
    return retval;
  }
}


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