/*
 * ANTLR 2 License
 * 
 * We reserve no legal rights to the ANTLR--it is fully in the public domain. 
 * An individual or company may do whatever they wish with source code distributed 
 * with ANTLR or the code generated by ANTLR, including the incorporation of ANTLR, 
 * or its output, into commerical software.
 * 
 * We encourage users to develop software with ANTLR. However, we do ask that credit 
 * is given to us for developing ANTLR. By "credit", we mean that if you use ANTLR 
 * or incorporate any source code into one of your programs (commercial product, 
 * research project, or otherwise) that you acknowledge this fact somewhere in the 
 * documentation, research report, etc... If you like ANTLR and have developed a 
 * nice tool with the output, please mention that you developed it using ANTLR. In 
 * addition, we ask that the headers remain intact in our source code. As long as 
 * these guidelines are kept, we expect to continue enhancing this system and expect 
 * to make other tools available as they are completed. 
 *
 */