001/* 002// $Id: Symbol.java 3 2009-05-11 08:11:57Z jhyde $ 003// Clapham generates railroad diagrams to represent computer language grammars. 004// Copyright (C) 2008-2009 Julian Hyde 005// Copyright (c) 2005 Stefan Schoergenhumer, Markus Dopler 006// 007// This program is free software; you can redistribute it and/or modify it 008// under the terms of the GNU General Public License as published by the Free 009// Software Foundation; either version 2 of the License, or (at your option) 010// any later version approved by The Eigenbase Project. 011// 012// This program is distributed in the hope that it will be useful, 013// but WITHOUT ANY WARRANTY; without even the implied warranty of 014// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 015// GNU General Public License for more details. 016// 017// You should have received a copy of the GNU General Public License 018// along with this program; if not, write to the Free Software 019// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 020*/ 021package net.hydromatic.clapham.graph; 022 023/** 024 * TODO: 025 * 026 * @author jhyde 027 * @version $Id: Symbol.java 3 2009-05-11 08:11:57Z jhyde $ 028 * @since Jul 30, 2008 029 */ 030public class Symbol { 031 032 public final NodeType typ; // t, nt 033 public final String name; // symbol name 034 public Graph graph; // nt: to first node of syntax graph 035 036 public Symbol(NodeType typ, String name) { 037 if (name.length() == 0) { 038 System.out.println("empty token not allowed"); 039 name = "???"; 040 } 041 this.typ = typ; 042 this.name = name; 043 } 044} 045 046// End Symbol.java