lexscan.java

java语法解释器生成器

/* The following code was generated by JFlex 1.4.2 on 5/28/08 7:17 PM */

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * JFlex 1.4.2                                                             *
 * Copyright (C) 1998-2008  Gerwin Klein <[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                 *
 *                                                                         *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

package JFlex;

import java_cup.runtime.Symbol;
import java.util.Vector;
import java.io.*;
import java.util.Stack;

/**
 * The lexer of JFlex.
 *
 * Generated by <a href="http://www.jflex.de/">JFlex</a>.
 *
 * @author Gerwin Klein
 * @version JFlex 1.4.2, $Revision: 358 $, $Date: 2008-05-27 16:28:29 +1000 (Tue, 27 May 2008) $
 */

public final class LexScan implements sym, java_cup.runtime.Scanner {

  /** This character denotes the end of file */
  public static final int YYEOF = -1;

  /** initial size of the lookahead buffer */
  private static final int ZZ_BUFFERSIZE = 16384;

  /** lexical states */
  public static final int STRING_CONTENT = 16;
  public static final int REGEXPSTART = 8;
  public static final int MACROS = 6;
  public static final int STATELIST = 4;
  public static final int CTOR_ARG = 26;
  public static final int EATWSPNL = 24;
  public static final int CHARCLASS = 18;
  public static final int JAVA_CODE = 12;
  public static final int REGEXP = 10;
  public static final int YYINITIAL = 0;
  public static final int REPEATEXP = 22;
  public static final int COMMENT = 2;
  public static final int STATES = 14;
  public static final int COPY = 20;

  /**
   * ZZ_LEXSTATE[l] is the state in the DFA for the lexical state l
   * ZZ_LEXSTATE[l+1] is the state in the DFA for the lexical state l
   *                  at the beginning of a line
   * l is of the form l = 2*k, k a non negative integer
   */
  private static final int ZZ_LEXSTATE[] = { 
     0,  0,  1,  1,  2,  2,  3,  4,  5,  5,  6,  6,  7,  7,  8,  8, 
     9,  9, 10, 10, 11, 11, 12, 12, 13, 13, 14, 14
  };

  /** 
   * Translates characters to character classes
   */
  private static final String ZZ_CMAP_PACKED = 
    "\10\25\1\26\1\10\1\13\2\11\1\12\16\25\4\0\1\10\1\76"+
    "\1\32\1\0\1\103\1\35\1\22\1\33\1\100\1\101\1\30\1\102"+
    "\1\15\1\106\1\14\1\31\1\7\1\66\2\7\2\3\1\67\1\64"+
    "\1\65\1\1\1\105\1\0\1\20\1\71\1\21\1\23\1\0\4\2"+
    "\1\72\1\74\10\24\1\73\13\24\1\16\1\4\1\17\1\104\1\24"+
    "\1\0\1\53\1\57\1\55\1\62\1\46\1\47\1\63\1\42\1\37"+
    "\1\60\1\70\1\51\1\56\1\40\1\44\1\61\1\24\1\43\1\54"+
    "\1\41\1\6\1\52\1\45\1\5\1\50\1\24\1\36\1\75\1\34"+
    "\1\77\6\25\1\27\32\25\2\0\4\24\4\0\1\24\2\0\1\25"+
    "\7\0\1\24\4\0\1\24\5\0\27\24\1\0\37\24\1\0\u013f\24"+
    "\31\0\162\24\4\0\14\24\16\0\5\24\11\0\1\24\21\0\130\25"+
    "\5\0\23\25\12\0\1\24\13\0\1\24\1\0\3\24\1\0\1\24"+
    "\1\0\24\24\1\0\54\24\1\0\46\24\1\0\5\24\4\0\202\24"+
    "\1\0\4\25\3\0\105\24\1\0\46\24\2\0\2\24\6\0\20\24"+
    "\41\0\46\24\2\0\1\24\7\0\47\24\11\0\21\25\1\0\27\25"+
    "\1\0\3\25\1\0\1\25\1\0\2\25\1\0\1\25\13\0\33\24"+
    "\5\0\3\24\15\0\4\25\14\0\6\25\13\0\32\24\5\0\13\24"+
    "\16\25\7\0\12\25\4\0\2\24\1\25\143\24\1\0\1\24\10\25"+
    "\1\0\6\25\2\24\2\25\1\0\4\25\2\24\12\25\3\24\2\0"+
    "\1\24\17\0\1\25\1\24\1\25\36\24\33\25\2\0\3\24\60\0"+
    "\46\24\13\25\1\24\u014f\0\3\25\66\24\2\0\1\25\1\24\20\25"+
    "\2\0\1\24\4\25\3\0\12\24\2\25\2\0\12\25\21\0\3\25"+
    "\1\0\10\24\2\0\2\24\2\0\26\24\1\0\7\24\1\0\1\24"+
    "\3\0\4\24\2\0\1\25\1\24\7\25\2\0\2\25\2\0\3\25"+
    "\11\0\1\25\4\0\2\24\1\0\3\24\2\25\2\0\12\25\4\24"+
    "\15\0\3\25\1\0\6\24\4\0\2\24\2\0\26\24\1\0\7\24"+
    "\1\0\2\24\1\0\2\24\1\0\2\24\2\0\1\25\1\0\5\25"+
    "\4\0\2\25\2\0\3\25\13\0\4\24\1\0\1\24\7\0\14\25"+
    "\3\24\14\0\3\25\1\0\11\24\1\0\3\24\1\0\26\24\1\0"+
    "\7\24\1\0\2\24\1\0\5\24\2\0\1\25\1\24\10\25\1\0"+
    "\3\25\1\0\3\25\2\0\1\24\17\0\2\24\2\25\2\0\12\25"+
    "\1\0\1\24\17\0\3\25\1\0\10\24\2\0\2\24\2\0\26\24"+
    "\1\0\7\24\1\0\2\24\1\0\5\24\2\0\1\25\1\24\6\25"+
    "\3\0\2\25\2\0\3\25\10\0\2\25\4\0\2\24\1\0\3\24"+
    "\4\0\12\25\1\0\1\24\20\0\1\25\1\24\1\0\6\24\3\0"+
    "\3\24\1\0\4\24\3\0\2\24\1\0\1\24\1\0\2\24\3\0"+
    "\2\24\3\0\3\24\3\0\10\24\1\0\3\24\4\0\5\25\3\0"+
    "\3\25\1\0\4\25\11\0\1\25\17\0\11\25\11\0\1\24\7\0"+
    "\3\25\1\0\10\24\1\0\3\24\1\0\27\24\1\0\12\24\1\0"+
    "\5\24\4\0\7\25\1\0\3\25\1\0\4\25\7\0\2\25\11\0"+
    "\2\24\4\0\12\25\22\0\2\25\1\0\10\24\1\0\3\24\1\0"+
    "\27\24\1\0\12\24\1\0\5\24\2\0\1\25\1\24\7\25\1\0"+
    "\3\25\1\0\4\25\7\0\2\25\7\0\1\24\1\0\2\24\4\0"+
    "\12\25\22\0\2\25\1\0\10\24\1\0\3\24\1\0\27\24\1\0"+
    "\20\24\4\0\6\25\2\0\3\25\1\0\4\25\11\0\1\25\10\0"+
    "\2\24\4\0\12\25\22\0\2\25\1\0\22\24\3\0\30\24\1\0"+
    "\11\24\1\0\1\24\2\0\7\24\3\0\1\25\4\0\6\25\1\0"+
    "\1\25\1\0\10\25\22\0\2\25\15\0\60\24\1\25\2\24\7\25"+
    "\4\0\10\24\10\25\1\0\12\25\47\0\2\24\1\0\1\24\2\0"+
    "\2\24\1\0\1\24\2\0\1\24\6\0\4\24\1\0\7\24\1\0"+
    "\3\24\1\0\1\24\1\0\1\24\2\0\2\24\1\0\4\24\1\25"+
    "\2\24\6\25\1\0\2\25\1\24\2\0\5\24\1\0\1\24\1\0"+
    "\6\25\2\0\12\25\2\0\2\24\42\0\1\24\27\0\2\25\6\0"+
    "\12\25\13\0\1\25\1\0\1\25\1\0\1\25\4\0\2\25\10\24"+
    "\1\0\42\24\6\0\24\25\1\0\2\25\4\24\4\0\10\25\1\0"+
    "\44\25\11\0\1\25\71\0\42\24\1\0\5\24\1\0\2\24\1\0"+
    "\7\25\3\0\4\25\6\0\12\25\6\0\6\24\4\25\106\0\46\24"+
    "\12\0\51\24\7\0\132\24\5\0\104\24\5\0\122\24\6\0\7\24"+
    "\1\0\77\24\1\0\1\24\1\0\4\24\2\0\7\24\1\0\1\24"+
    "\1\0\4\24\2\0\47\24\1\0\1\24\1\0\4\24\2\0\37\24"+
    "\1\0\1\24\1\0\4\24\2\0\7\24\1\0\1\24\1\0\4\24"+
    "\2\0\7\24\1\0\7\24\1\0\27\24\1\0\37\24\1\0\1\24"+
    "\1\0\4\24\2\0\7\24\1\0\47\24\1\0\23\24\16\0\11\25"+
    "\56\0\125\24\14\0\u026c\24\2\0\10\24\12\0\32\24\5\0\113\24"+
    "\3\0\3\24\17\0\15\24\1\0\4\24\3\25\13\0\22\24\3\25"+
    "\13\0\22\24\2\25\14\0\15\24\1\0\3\24\1\0\2\25\14\0"+
    "\64\24\40\25\3\0\1\24\3\0\2\24\1\25\2\0\12\25\41\0"+
    "\3\25\2\0\12\25\6\0\130\24\10\0\51\24\1\25\126\0\35\24"+
    "\3\0\14\25\4\0\14\25\12\0\12\25\36\24\2\0\5\24\u038b\0"+
    "\154\24\224\0\234\24\4\0\132\24\6\0\26\24\2\0\6\24\2\0"+
    "\46\24\2\0\6\24\2\0\10\24\1\0\1\24\1\0\1\24\1\0"+
    "\1\24\1\0\37\24\2\0\65\24\1\0\7\24\1\0\1\24\3\0"+
    "\3\24\1\0\7\24\3\0\4\24\2\0\6\24\4\0\15\24\5\0"+
    "\3\24\1\0\7\24\17\0\4\25\30\0\2\11\5\25\20\0\2\24"+
    "\23\0\1\24\13\0\4\25\6\0\6\25\1\0\1\24\15\0\1\24"+
    "\40\0\22\24\36\0\15\25\4\0\1\25\3\0\6\25\27\0\1\24"+
    "\4\0\1\24\2\0\12\24\1\0\1\24\3\0\5\24\6\0\1\24"+
    "\1\0\1\24\1\0\1\24\1\0\4\24\1\0\3\24\1\0\7\24"+
    "\3\0\3\24\5\0\5\24\26\0\44\24\u0e81\0\3\24\31\0\11\24"+
    "\6\25\1\0\5\24\2\0\5\24\4\0\126\24\2\0\2\25\2\0"+
    "\3\24\1\0\137\24\5\0\50\24\4\0\136\24\21\0\30\24\70\0"+
    "\20\24\u0200\0\u19b6\24\112\0\u51a6\24\132\0\u048d\24\u0773\0\u2ba4\24\u215c\0"+
    "\u012e\24\2\0\73\24\225\0\7\24\14\0\5\24\5\0\1\24\1\25"+
    "\12\24\1\0\15\24\1\0\5\24\1\0\1\24\1\0\2\24\1\0"+
    "\2\24\1\0\154\24\41\0\u016b\24\22\0\100\24\2\0\66\24\50\0"+
    "\15\24\3\0\20\25\20\0\4\25\17\0\2\24\30\0\3\24\31\0"+
    "\1\24\6\0\5\24\1\0\207\24\2\0\1\25\4\0\1\24\13\0"+
    "\12\25\7\0\32\24\4\0\1\24\1\0\32\24\12\0\132\24\3\0"+
    "\6\24\2\0\6\24\2\0\6\24\2\0\3\24\3\0\2\24\3\0"+
    "\2\24\22\0\3\25\4\0";

  /** 
   * Translates characters to character classes
   */
  private static final char [] ZZ_CMAP = zzUnpackCMap(ZZ_CMAP_PACKED);

  /** 
   * Translates DFA states to action switch labels.
   */
  private static final int [] ZZ_ACTION = zzUnpackAction();

  private static final String ZZ_ACTION_PACKED_0 =
    "\1\1\1\2\15\0\1\1\2\3\1\1\1\2\3\4"+
    "\1\5\1\6\2\7\1\6\1\10\2\6\1\4\1\11"+
    "\1\12\1\6\1\11\1\13\1\14\1\4\1\15\2\16"+
    "\1\6\2\17\1\20\1\21\1\16\1\22\1\23\1\24"+
    "\1\25\1\26\1\27\1\30\1\31\1\32\1\33\1\34"+
    "\1\35\1\36\1\37\3\4\1\40\1\41\1\6\1\42"+
    "\1\43\1\44\1\4\2\45\1\46\1\16\1\47\1\50"+
    "\1\51\1\52\1\16\1\53\1\54\1\4\2\44\1\4"+
    "\1\55\1\4\1\56\1\13\1\57\1\60\1\61\3\0"+
    "\1\62\1\63\1\0\1\64\1\0\2\11\1\0\15\11"+
    "\3\0\1\65\1\11\1\66\1\11\2\0\1\67\1\6"+
    "\1\70\1\71\2\70\1\71\1\72\1\73\1\74\1\75"+
    "\1\76\1\0\1\77\2\0\1\100\1\101\3\0\2\102"+
    "\10\0\1\103\1\104\2\103\1\104\1\105\1\106\1\107"+
    "\1\110\1\111\1\112\3\0\1\113\5\0\1\114\1\0"+
    "\1\60\1\61\2\6\1\11\2\115\35\11\3\0\2\116"+
    "\1\11\2\117\1\11\1\0\1\71\1\0\1\120\6\0"+
    "\1\121\1\122\1\0\1\37\4\0\1\104\1\0\1\123"+
    "\1\124\2\125\3\0\2\11\1\126\24\11\1\127\12\11"+
    "\3\0\2\11\1\0\2\120\14\0\2\123\3\0\20\11"+
    "\1\130\3\11\1\131\10\11\1\132\6\11\1\133\1\11"+
    "\1\134\1\130\1\0\2\11\1\0\1\120\13\0\1\123"+
    "\5\0\11\11\1\0\1\11\1\135\5\11\1\136\1\137"+
    "\17\11\1\140\1\141\2\11\7\0\2\37\10\0\2\142"+
    "\3\0\11\11\1\143\1\0\11\11\1\144\4\11\1\145"+
    "\1\0\3\11\1\146\1\147\2\11\6\0\1\150\1\37"+
    "\3\0\1\37\6\0\2\151\4\0\1\141\1\11\1\152"+
    "\1\126\3\11\1\153\2\154\1\143\4\0\11\11\2\155"+
    "\2\11\1\156\1\11\2\157\1\11\1\160\6\0\1\37"+
    "\6\0\1\37\13\0\1\11\1\161\2\11\1\154\1\162"+
    "\1\154\1\143\3\0\2\11\1\163\2\11\1\164\3\11"+
    "\1\155\1\165\1\155\1\166\1\0\1\11\1\156\1\0"+
    "\1\167\1\157\2\170\1\157\4\0\1\171\1\172\2\37"+
    "\4\0\2\37\7\0\2\173\1\0\3\11\2\162\2\143"+
    "\1\174\2\175\1\0\1\11\1\0\5\11\2\165\2\0"+
    "\1\11\1\0\2\170\2\0\1\176\2\0\1\37\2\0"+
    "\2\37\4\0\1\37\2\0\2\37\7\0\2\177\1\11"+
    "\1\162\1\0\1\143\1\0\1\174\1\0\1\175\1\200"+
    "\1\175\2\0\2\11\1\201\1\11\1\202\1\203\2\204"+
    "\1\165\1\0\1\205\3\0\1\205\1\0\1\205\1\156"+
    "\3\0\1\206\1\0\4\37\3\0\4\37\3\0\2\207"+
    "\1\0\1\177\1\210\1\177\1\211\3\0\2\200\2\0"+
    "\2\11\1\201\2\212\1\204\1\213\1\204\12\0\3\37"+
    "\5\0\3\37\1\0\2\214\1\0\2\210\2\143\1\174"+
    "\1\200\3\0\2\11\1\212\1\215\1\212\2\213\1\205"+
    "\2\0\1\216\1\217\4\0\1\37\3\0\1\37\2\220"+
    "\1\210\1\0\1\143\1\163\1\0\1\163\1\11\2\215"+
    "\1\213\1\0\2\205\1\0\1\205\3\0\1\37\2\0"+
    "\1\37\2\221\1\215\10\0\1\222\3\205";

  private static int [] zzUnpackAction() {
    int [] result = new int[826];
    int offset = 0;
    offset = zzUnpackAction(ZZ_ACTION_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackAction(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */