cayenne/src/main/java/org/apache/cayenne/exp/parser/JJTExpressionParserState.java [15:78]:
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    sp = 0;
    mk = 0;
  }

  /* Determines whether the current node was actually closed and
     pushed.  This should only be called in the final user action of a
     node scope.  */
  public boolean nodeCreated() {
    return node_created;
  }

  /* Call this to reinitialize the node stack.  It is called
     automatically by the parser's ReInit() method. */
  public void reset() {
    nodes.clear();
    marks.clear();
    sp = 0;
    mk = 0;
  }

  /* Returns the root node of the AST.  It only makes sense to call
     this after a successful parse. */
  public Node rootNode() {
    return nodes.get(0);
  }

  /* Pushes a node on to the stack. */
  public void pushNode(Node n) {
    nodes.add(n);
    ++sp;
  }

  /* Returns the node on the top of the stack, and remove it from the
     stack.  */
  public Node popNode() {
    if (--sp < mk) {
      mk = marks.remove(marks.size()-1);
    }
    return nodes.remove(nodes.size()-1);
  }

  /* Returns the node currently on the top of the stack. */
  public Node peekNode() {
    return nodes.get(nodes.size()-1);
  }

  /* Returns the number of children on the stack in the current node
     scope. */
  public int nodeArity() {
    return sp - mk;
  }


  public void clearNodeScope(Node n) {
    while (sp > mk) {
      popNode();
    }
    mk = marks.remove(marks.size()-1);
  }


  public void openNodeScope(Node n) {
    marks.add(mk);
    mk = sp;
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cayenne/src/main/java/org/apache/cayenne/template/parser/JJTSQLTemplateParserState.java [39:102]:
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    sp = 0;
    mk = 0;
  }

  /* Determines whether the current node was actually closed and
     pushed.  This should only be called in the final user action of a
     node scope.  */
  public boolean nodeCreated() {
    return node_created;
  }

  /* Call this to reinitialize the node stack.  It is called
     automatically by the parser's ReInit() method. */
  public void reset() {
    nodes.clear();
    marks.clear();
    sp = 0;
    mk = 0;
  }

  /* Returns the root node of the AST.  It only makes sense to call
     this after a successful parse. */
  public Node rootNode() {
    return nodes.get(0);
  }

  /* Pushes a node on to the stack. */
  public void pushNode(Node n) {
    nodes.add(n);
    ++sp;
  }

  /* Returns the node on the top of the stack, and remove it from the
     stack.  */
  public Node popNode() {
    if (--sp < mk) {
      mk = marks.remove(marks.size()-1);
    }
    return nodes.remove(nodes.size()-1);
  }

  /* Returns the node currently on the top of the stack. */
  public Node peekNode() {
    return nodes.get(nodes.size()-1);
  }

  /* Returns the number of children on the stack in the current node
     scope. */
  public int nodeArity() {
    return sp - mk;
  }


  public void clearNodeScope(Node n) {
    while (sp > mk) {
      popNode();
    }
    mk = marks.remove(marks.size()-1);
  }


  public void openNodeScope(Node n) {
    marks.add(mk);
    mk = sp;
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