symtabentry.java

java语法解释器生成器

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright (C) 2001       Gerwin Klein <[e-mail]>                    *
 * Copyright (C) 2001       Bernhard Rumpe <[e-mail]>               *
 * All rights reserved.                                                    *
 *                                                                         *
 * This program is free software; you can redistribute it and/or modify    *
 * it under the terms of the GNU General Public License. See the file      *
 * COPYRIGHT for more information.                                         *
 *                                                                         *
 * This program is distributed in the hope that it will be useful,         *
 * but WITHOUT ANY WARRANTY; without even the implied warranty of          *
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
 * GNU General Public License for more details.                            *
 *                                                                         *
 * You should have received a copy of the GNU General Public License along *
 * with this program; if not, write to the Free Software Foundation, Inc., *
 * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA                 *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */


/**
 * Symbol table entry for names, there are subclasses for
 * variables and functions.
 * 
 * Defines constants UNKNOWN, VAR und FUN as kinds of
 * symbol table entries.
 */ 
class SymtabEntry {
  String name;

  public SymtabEntry(String v) {
    name=v; 
  }

  public int kind() {
    return UNKNOWN; 
  }

  public String toString() {
    return("unknown "+name); 
  }

  static final int UNKNOWN = 12;
  static final int VAR = 13;
  static final int FUN = 14;
}