
enum EOpType{ BL_OP, BL_FUNCT, BL_ARG, BL_VAR, BL_VAR0, BL_VAR1, };

struct SBlock
{
  EOpType type;
  union{
    int  OpNo;
    int  FunctNo;
    PArg VarValue;
  }mean;
  SArg ArgValue;
  bool counted;
  int counter;
  SBlock *left;
  SBlock *right;

  SBlock();
  ~SBlock();
  addref();
  delref();
};

SBlock::SBlock()
{
  left = 0;
  right = 0;
  counter = 1;
};
SBlock::~SBlock()
{
  if (left) left->delref();
  if (right) right->delref();
};

SBlock::addref()
{
  counter++;
};
SBlock::delref()
{
  counter--;
  if (!counter) delete this;
};
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is the Colorer Library.
 *
 * The Initial Developer of the Original Code is
 * Cail Lomecb <cail@nm.ru>.
 * Portions created by the Initial Developer are Copyright (C) 1999-2003
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
