/* The following code was generated by JFlex 1.4.1 on 5/19/09 3:42 PM */

package test.jflex.natlab;
import static test.jflex.natlab.NatlabParser.Terminals.*;
import beaver.Symbol;
import beaver.Scanner;
import beaver.Symbol;
import beaver.Scanner;
import beaver.Scanner; //from null [10, 1]
import beaver.Scanner; //from null [10, 1]
import beaver.Scanner; //from null [10, 1]

/**
 * This class is a scanner generated by 
 * <a href="http://www.jflex.de/">JFlex</a> 1.4.1
 * on 5/19/09 3:42 PM from the specification file
 * <tt>test/backend-jflex/out/natlab/natlab/natlab.flex</tt>
 */
public final class NatlabScanner extends 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 comma_terminator_YYINITIAL_STATE = 7;
  public static final int class_YYINITIAL_STATE = 4;
  public static final int transpose_YYINITIAL_STATE = 10;
  public static final int semicolon_terminator_YYINITIAL_STATE = 8;
  public static final int base_YYINITIAL_STATE = 3;
  public static final int field_name_YYINITIAL_STATE = 6;
  public static final int leading_ws_YYINITIAL_STATE = 2;
  public static final int EXTRA_RETURN = 1;
  public static final int YYINITIAL = 0;
  public static final int class_bracketed_YYINITIAL_STATE = 5;
  public static final int bracket_help_comment_YYINITIAL_STATE = 12;
  public static final int string_YYINITIAL_STATE = 9;
  public static final int bracket_comment_YYINITIAL_STATE = 11;

  /** 
   * Translates characters to character classes
   */
  private static final String ZZ_CMAP_PACKED = 
    "\11\0\1\3\1\2\1\0\1\3\1\1\22\0\1\3\1\17\1\21"+
    "\1\0\1\5\1\15\1\46\1\25\1\26\1\27\1\37\1\36\1\32"+
    "\1\11\1\4\1\40\1\13\11\6\1\34\1\33\1\42\1\43\1\44"+
    "\1\0\1\35\4\7\1\10\1\7\2\5\2\12\15\5\1\14\2\5"+
    "\1\30\1\20\1\31\1\41\1\5\1\0\1\52\1\23\1\50\1\54"+
    "\1\55\1\56\1\71\1\66\1\63\1\12\1\70\1\51\1\72\1\57"+
    "\1\60\1\64\1\5\1\61\1\53\1\22\1\62\1\73\1\65\1\14"+
    "\1\67\1\5\1\16\1\47\1\24\1\45\uff81\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 =
    "\15\0\1\1\1\2\2\3\1\4\1\5\2\6\1\7"+
    "\1\10\1\11\1\12\1\13\1\12\1\14\1\15\1\16"+
    "\1\17\2\11\1\20\1\21\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\1\40\1\41\1\42\1\43\12\11\1\44"+
    "\2\45\1\46\1\47\1\50\1\51\1\52\1\51\1\53"+
    "\1\54\1\55\1\56\2\50\1\57\1\60\1\61\1\62"+
    "\1\63\1\64\1\65\1\66\1\67\1\70\1\71\1\72"+
    "\1\73\1\74\1\75\1\76\1\77\1\100\1\101\1\102"+
    "\13\50\1\103\2\104\1\105\1\106\1\107\1\110\1\111"+
    "\1\110\1\112\1\113\1\114\1\115\2\107\1\116\1\117"+
    "\1\120\1\121\1\122\1\123\1\124\1\125\1\126\1\127"+
    "\1\130\1\131\1\132\1\133\1\134\1\135\1\136\1\137"+
    "\1\140\1\141\13\107\1\142\1\143\1\144\1\145\2\146"+
    "\1\147\1\150\1\151\2\152\1\153\1\154\1\155\2\156"+
    "\1\157\1\160\1\161\1\162\2\163\2\164\1\0\1\165"+
    "\1\166\1\167\1\170\1\171\1\172\1\0\1\173\1\0"+
    "\1\14\1\174\1\175\2\11\1\176\1\177\1\200\1\201"+
    "\1\202\1\203\12\11\1\204\4\11\1\0\1\205\1\206"+
    "\1\207\1\210\1\211\1\212\1\0\1\213\1\0\1\53"+
    "\1\214\1\215\2\50\1\216\1\217\1\220\1\221\1\222"+
    "\1\223\13\50\1\224\6\50\1\0\1\225\1\226\1\227"+
    "\1\230\1\231\1\232\1\0\1\233\1\0\1\112\1\234"+
    "\1\235\2\107\1\236\1\237\1\240\1\241\1\242\1\243"+
    "\13\107\1\244\6\107\1\144\1\245\1\246\1\150\1\247"+
    "\1\250\1\154\1\251\1\252\1\253\1\254\1\255\1\256"+
    "\1\257\1\260\1\0\1\261\1\165\1\0\1\262\1\174"+
    "\1\263\1\264\7\11\1\265\1\266\7\11\1\0\1\267"+
    "\1\205\1\0\1\270\1\214\1\271\1\272\7\50\1\273"+
    "\1\50\1\274\11\50\1\0\1\275\1\225\1\0\1\276"+
    "\1\234\1\277\1\300\7\107\1\301\1\107\1\302\11\107"+
    "\1\245\1\303\1\247\1\304\1\251\1\305\2\306\1\307"+
    "\3\11\1\310\2\11\1\311\7\11\2\312\1\313\3\50"+
    "\1\314\2\50\1\315\12\50\2\316\1\317\3\107\1\320"+
    "\2\107\1\321\12\107\1\322\1\11\1\323\10\11\1\324"+
    "\1\11\1\325\1\50\1\326\12\50\1\327\2\50\1\330"+
    "\1\107\1\331\12\107\1\332\2\107\2\11\1\333\1\334"+
    "\2\11\1\335\1\336\1\11\1\337\2\50\1\340\1\341"+
    "\1\342\2\50\1\343\1\344\2\50\1\345\1\50\2\107"+
    "\1\346\1\347\1\350\2\107\1\351\1\352\2\107\1\353"+
    "\1\107\5\11\6\50\1\354\6\107\1\355\1\356\1\357"+
    "\1\360\2\11\1\361\1\362\1\363\3\50\1\364\1\365"+
    "\1\366\3\107\1\367\1\11\1\370\2\50\1\371\2\107"+
    "\1\372\1\373\1\374\1\375\1\376";

  private static int [] zzUnpackAction() {
    int [] result = new int[579];
    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 */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }


  /** 
   * Translates a state to a row index in the transition table
   */
  private static final int [] ZZ_ROWMAP = zzUnpackRowMap();

  private static final String ZZ_ROWMAP_PACKED_0 =
    "\0\0\0\74\0\170\0\264\0\360\0\u012c\0\u0168\0\u01a4"+
    "\0\u01e0\0\u021c\0\u0258\0\u0294\0\u02d0\0\0\0\0\0\u030c"+
    "\0\0\0\0\0\0\0\u0348\0\0\0\0\0\u0384\0\u03c0"+
    "\0\u03fc\0\0\0\u0438\0\u0474\0\0\0\u04b0\0\0\0\u04ec"+
    "\0\u0528\0\0\0\0\0\0\0\0\0\0\0\0\0\0"+
    "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\u0564"+
    "\0\u05a0\0\u05dc\0\u0618\0\u0654\0\u0690\0\u06cc\0\u0708\0\u0744"+
    "\0\u0780\0\u07bc\0\u07f8\0\u0834\0\u0870\0\u08ac\0\u08e8\0\0"+
    "\0\u0924\0\0\0\0\0\u0960\0\u099c\0\u09d8\0\0\0\u0a14"+
    "\0\u0a50\0\0\0\u0a8c\0\0\0\u0ac8\0\u0b04\0\0\0\0"+
    "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"+
    "\0\0\0\0\0\0\0\0\0\u0b40\0\u0b7c\0\u0bb8\0\u0bf4"+
    "\0\u0c30\0\u0c6c\0\u0ca8\0\u0ce4\0\u0d20\0\u0d5c\0\u0d98\0\u0dd4"+
    "\0\u0e10\0\u0e4c\0\u0e88\0\u0ec4\0\u0f00\0\0\0\u0f3c\0\0"+
    "\0\0\0\u0f78\0\u0fb4\0\u0ff0\0\0\0\u102c\0\u1068\0\0"+
    "\0\u10a4\0\0\0\u10e0\0\u111c\0\0\0\0\0\0\0\0"+
    "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"+
    "\0\0\0\0\0\u1158\0\u1194\0\u11d0\0\u120c\0\u1248\0\u1284"+
    "\0\u12c0\0\u12fc\0\u1338\0\u1374\0\u13b0\0\u13ec\0\u1428\0\u1464"+
    "\0\u14a0\0\u14dc\0\u1518\0\0\0\u1554\0\u1590\0\0\0\u15cc"+
    "\0\0\0\0\0\u1608\0\0\0\u1644\0\0\0\0\0\u1680"+
    "\0\0\0\u16bc\0\0\0\u16f8\0\u1734\0\0\0\0\0\0"+
    "\0\u1770\0\0\0\u17ac\0\u17e8\0\u1824\0\0\0\0\0\0"+
    "\0\0\0\0\0\u1860\0\0\0\u189c\0\u18d8\0\u1914\0\0"+
    "\0\u1950\0\u198c\0\0\0\0\0\0\0\0\0\0\0\0"+
    "\0\u19c8\0\u1a04\0\u1a40\0\u1a7c\0\u1ab8\0\u1af4\0\u1b30\0\u1b6c"+
    "\0\u1ba8\0\u1be4\0\u03c0\0\u1c20\0\u1c5c\0\u1c98\0\u1cd4\0\u1d10"+
    "\0\u1d4c\0\0\0\0\0\0\0\0\0\0\0\u1d88\0\0"+
    "\0\u1dc4\0\u1e00\0\u1e3c\0\0\0\u1e78\0\u1eb4\0\0\0\0"+
    "\0\0\0\0\0\0\0\0\0\u1ef0\0\u1f2c\0\u1f68\0\u1fa4"+
    "\0\u1fe0\0\u201c\0\u2058\0\u2094\0\u20d0\0\u210c\0\u2148\0\u099c"+
    "\0\u2184\0\u21c0\0\u21fc\0\u2238\0\u2274\0\u22b0\0\u22ec\0\u2328"+
    "\0\0\0\0\0\0\0\0\0\0\0\u2364\0\0\0\u23a0"+
    "\0\u23dc\0\u2418\0\0\0\u2454\0\u2490\0\0\0\0\0\0"+
    "\0\0\0\0\0\0\0\u24cc\0\u2508\0\u2544\0\u2580\0\u25bc"+
    "\0\u25f8\0\u2634\0\u2670\0\u26ac\0\u26e8\0\u2724\0\u0fb4\0\u2760"+
    "\0\u279c\0\u27d8\0\u2814\0\u2850\0\u288c\0\u28c8\0\u2904\0\0"+
    "\0\u2940\0\u297c\0\0\0\u29b8\0\u29f4\0\0\0\0\0\0"+
    "\0\0\0\0\0\0\0\0\0\u2a30\0\0\0\u2a6c\0\u2aa8"+
    "\0\u2ae4\0\u2b20\0\0\0\u03c0\0\u2b5c\0\u2b98\0\u2bd4\0\u2c10"+
    "\0\u2c4c\0\u2c88\0\u2cc4\0\u03c0\0\u03c0\0\u2d00\0\u2d3c\0\u2d78"+
    "\0\u2db4\0\u2df0\0\u2e2c\0\u2e68\0\u2ea4\0\0\0\u2ee0\0\u2f1c"+
    "\0\u2f58\0\u2f94\0\0\0\u099c\0\u2fd0\0\u300c\0\u3048\0\u3084"+
    "\0\u30c0\0\u30fc\0\u3138\0\u099c\0\u3174\0\u099c\0\u31b0\0\u31ec"+
    "\0\u3228\0\u3264\0\u32a0\0\u32dc\0\u3318\0\u3354\0\u3390\0\u33cc"+
    "\0\0\0\u3408\0\u3444\0\u3480\0\u34bc\0\0\0\u0fb4\0\u34f8"+
    "\0\u3534\0\u3570\0\u35ac\0\u35e8\0\u3624\0\u3660\0\u0fb4\0\u369c"+
    "\0\u0fb4\0\u36d8\0\u3714\0\u3750\0\u378c\0\u37c8\0\u3804\0\u3840"+
    "\0\u387c\0\u38b8\0\u38f4\0\0\0\u3930\0\0\0\u396c\0\0"+
    "\0\u2a30\0\0\0\0\0\u39a8\0\u39e4\0\u3a20\0\u03c0\0\u3a5c"+
    "\0\u3a98\0\u3ad4\0\u3b10\0\u3b4c\0\u3b88\0\u3bc4\0\u3c00\0\u3c3c"+
    "\0\u3c78\0\u2ea4\0\0\0\0\0\u3cb4\0\u3cf0\0\u3d2c\0\u099c"+
    "\0\u3d68\0\u3da4\0\u3de0\0\u3e1c\0\u3e58\0\u3e94\0\u3ed0\0\u3f0c"+
    "\0\u3f48\0\u3f84\0\u3fc0\0\u3ffc\0\u4038\0\u33cc\0\0\0\0"+
    "\0\u4074\0\u40b0\0\u40ec\0\u0fb4\0\u4128\0\u4164\0\u41a0\0\u41dc"+
    "\0\u4218\0\u4254\0\u4290\0\u42cc\0\u4308\0\u4344\0\u4380\0\u43bc"+
    "\0\u43f8\0\u03c0\0\u4434\0\u03c0\0\u4470\0\u44ac\0\u44e8\0\u4524"+
    "\0\u4560\0\u459c\0\u45d8\0\u4614\0\u03c0\0\u4650\0\u099c\0\u468c"+
    "\0\u099c\0\u46c8\0\u4704\0\u4740\0\u477c\0\u47b8\0\u47f4\0\u4830"+
    "\0\u486c\0\u48a8\0\u48e4\0\u099c\0\u4920\0\u495c\0\u0fb4\0\u4998"+
    "\0\u0fb4\0\u49d4\0\u4a10\0\u4a4c\0\u4a88\0\u4ac4\0\u4b00\0\u4b3c"+
    "\0\u4b78\0\u4bb4\0\u4bf0\0\u0fb4\0\u4c2c\0\u4c68\0\u4ca4\0\u4ce0"+
    "\0\u03c0\0\u03c0\0\u4d1c\0\u4d58\0\u03c0\0\u03c0\0\u4d94\0\u03c0"+
    "\0\u4dd0\0\u4e0c\0\u099c\0\u099c\0\u099c\0\u4e48\0\u4e84\0\u099c"+
    "\0\u099c\0\u4ec0\0\u4efc\0\u099c\0\u4f38\0\u4f74\0\u4fb0\0\u0fb4"+
    "\0\u0fb4\0\u0fb4\0\u4fec\0\u5028\0\u0fb4\0\u0fb4\0\u5064\0\u50a0"+
    "\0\u0fb4\0\u50dc\0\u5118\0\u5154\0\u5190\0\u51cc\0\u5208\0\u5244"+
    "\0\u5280\0\u52bc\0\u52f8\0\u5334\0\u5370\0\u099c\0\u53ac\0\u53e8"+
    "\0\u5424\0\u5460\0\u549c\0\u54d8\0\u0fb4\0\u03c0\0\u03c0\0\u03c0"+
    "\0\u5514\0\u5550\0\u099c\0\u099c\0\u099c\0\u558c\0\u55c8\0\u5604"+
    "\0\u0fb4\0\u0fb4\0\u0fb4\0\u5640\0\u567c\0\u56b8\0\u03c0\0\u56f4"+
    "\0\u099c\0\u5730\0\u576c\0\u0fb4\0\u57a8\0\u57e4\0\u03c0\0\u099c"+
    "\0\u099c\0\u0fb4\0\u0fb4";

  private static int [] zzUnpackRowMap() {
    int [] result = new int[579];
    int offset = 0;
    offset = zzUnpackRowMap(ZZ_ROWMAP_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackRowMap(String packed, int offset, int [] result) {
    int i = 0;  /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int high = packed.charAt(i++) << 16;
      result[j++] = high | packed.charAt(i++);
    }
    return j;
  }

  /** 
   * The transition table of the DFA
   */
  private static final int [] ZZ_TRANS = zzUnpackTrans();

  private static final String ZZ_TRANS_PACKED_0 =
    "\74\0\74\16\1\17\1\20\1\21\1\22\70\17\1\23"+
    "\1\24\1\25\1\26\1\27\1\30\1\31\2\30\1\32"+
    "\1\30\1\33\1\30\1\34\1\35\1\36\1\37\1\23"+
    "\1\40\1\41\1\42\1\43\1\44\1\45\1\46\1\47"+
    "\1\50\1\51\1\52\1\53\1\54\1\55\1\56\1\57"+
    "\1\60\1\61\1\62\1\63\1\64\1\65\1\66\2\30"+
    "\1\67\1\30\1\70\1\71\1\30\1\72\1\73\1\30"+
    "\1\74\1\75\1\76\3\30\1\77\2\30\1\100\1\101"+
    "\1\102\1\103\1\104\1\105\1\106\2\105\1\107\1\105"+
    "\1\110\1\105\1\111\1\112\1\113\1\114\1\100\1\115"+
    "\1\116\1\117\1\120\1\121\1\122\1\123\1\124\1\125"+
    "\1\126\1\127\1\130\1\131\1\132\1\133\1\134\1\135"+
    "\1\136\1\137\1\140\1\141\1\142\1\143\2\105\1\144"+
    "\1\105\1\145\1\146\1\105\1\147\1\150\1\105\1\151"+
    "\1\152\1\153\3\105\1\154\1\155\1\105\1\156\1\157"+
    "\1\160\1\161\1\162\1\163\1\164\2\163\1\165\1\163"+
    "\1\166\1\163\1\167\1\170\1\171\1\172\1\156\1\173"+
    "\1\174\1\175\1\176\1\177\1\200\1\201\1\202\1\203"+
    "\1\204\1\205\1\206\1\207\1\210\1\211\1\212\1\213"+
    "\1\214\1\215\1\216\1\217\1\220\1\221\2\163\1\222"+
    "\1\163\1\223\1\224\1\163\1\225\1\226\1\163\1\227"+
    "\1\230\1\231\3\163\1\232\1\233\1\163\5\234\1\235"+
    "\1\234\2\235\1\234\1\235\1\234\1\235\1\236\4\234"+
    "\2\235\24\234\24\235\1\237\1\240\1\241\1\242\11\237"+
    "\1\243\56\237\1\244\1\245\1\246\1\247\11\244\1\250"+
    "\56\244\1\251\1\252\1\253\15\251\1\254\4\251\1\255"+
    "\46\251\25\256\1\257\46\256\15\260\1\261\56\260\15\262"+
    "\1\263\56\262\2\0\1\21\73\0\1\25\75\0\1\264"+
    "\1\0\1\265\4\0\1\265\4\0\1\266\4\0\1\267"+
    "\11\0\1\270\1\271\1\272\37\0\4\30\1\0\3\30"+
    "\5\0\2\30\24\0\24\30\4\0\1\265\1\0\1\31"+
    "\1\0\1\273\1\0\1\274\1\31\41\0\1\273\5\0"+
    "\1\274\14\0\1\265\1\0\1\31\1\0\1\273\1\0"+
    "\1\274\1\31\1\275\40\0\1\273\5\0\1\274\10\0"+
    "\1\276\2\0\12\276\1\277\1\300\55\276\2\36\1\0"+
    "\71\36\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
    "\11\30\1\301\12\30\5\0\4\30\1\0\3\30\5\0"+
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    "\4\0\1\u016a\66\0\3\u016c\1\0\1\u01b0\1\u016c\7\0"+
    "\1\u016c\24\0\1\u016c\1\0\1\u016c\1\0\3\u016c\4\0"+
    "\1\u01b0\10\0\2\u016d\1\0\71\u016d\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\2\163\1\u01b1\21\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\3\163\1\u01b2"+
    "\20\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\1\u01b3\23\163\5\0\4\163\1\0\3\163\5\0\2\163"+
    "\24\0\5\163\1\u01b4\16\163\5\0\4\163\1\0\3\163"+
    "\5\0\1\u01b5\1\163\24\0\24\163\5\0\4\163\1\0"+
    "\3\163\5\0\1\u01b6\1\163\24\0\24\163\5\0\4\163"+
    "\1\0\3\163\5\0\2\163\24\0\5\163\1\u01b7\16\163"+
    "\5\0\4\163\1\0\3\163\5\0\2\163\24\0\7\163"+
    "\1\u01b8\14\163\5\0\4\163\1\0\3\163\5\0\2\163"+
    "\24\0\1\u01b9\23\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\5\163\1\u01ba\16\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\12\163\1\u01bb\11\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\6\163\1\u01bc"+
    "\15\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\3\163\1\u01bd\20\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\14\163\1\u01be\7\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\1\163\1\u01bf\22\163\5\0"+
    "\4\163\1\0\3\163\5\0\1\163\1\u01c0\24\0\24\163"+
    "\5\0\4\163\1\0\3\163\5\0\2\163\24\0\16\163"+
    "\1\u01c1\5\163\2\u0183\1\0\71\u0183\2\u0185\1\0\71\u0185"+
    "\2\u0187\1\0\71\u0187\5\0\4\30\1\0\3\30\5\0"+
    "\2\30\24\0\20\30\1\u01c2\3\30\5\0\4\30\1\0"+
    "\3\30\5\0\2\30\24\0\3\30\1\u01c3\20\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\16\30\1\u01c4"+
    "\5\30\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
    "\13\30\1\u01c5\10\30\5\0\4\30\1\0\3\30\5\0"+
    "\2\30\24\0\1\u01c6\23\30\5\0\4\30\1\0\3\30"+
    "\5\0\2\30\24\0\13\30\1\u01c7\10\30\5\0\4\30"+
    "\1\0\3\30\5\0\1\u01c8\1\30\24\0\24\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\11\30\1\u01c9"+
    "\12\30\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
    "\11\30\1\u01ca\12\30\5\0\4\30\1\0\3\30\5\0"+
    "\2\30\24\0\10\30\1\u01cb\13\30\5\0\4\30\1\0"+
    "\3\30\5\0\2\30\24\0\13\30\1\u01cc\10\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\5\30\1\u01cd"+
    "\16\30\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
    "\2\30\1\u01ce\21\30\5\0\4\105\1\0\3\105\5\0"+
    "\2\105\24\0\20\105\1\u01cf\3\105\5\0\4\105\1\0"+
    "\3\105\5\0\2\105\24\0\3\105\1\u01d0\20\105\5\0"+
    "\4\105\1\0\3\105\5\0\2\105\24\0\16\105\1\u01d1"+
    "\5\105\5\0\4\105\1\0\3\105\5\0\2\105\24\0"+
    "\13\105\1\u01d2\10\105\5\0\4\105\1\0\3\105\5\0"+
    "\2\105\24\0\1\u01d3\23\105\5\0\4\105\1\0\3\105"+
    "\5\0\2\105\24\0\13\105\1\u01d4\10\105\5\0\4\105"+
    "\1\0\3\105\5\0\1\u01d5\1\105\24\0\24\105\5\0"+
    "\4\105\1\0\3\105\5\0\1\u01d6\1\105\24\0\24\105"+
    "\5\0\4\105\1\0\3\105\5\0\2\105\24\0\11\105"+
    "\1\u01d7\12\105\5\0\4\105\1\0\3\105\5\0\2\105"+
    "\24\0\11\105\1\u01d8\12\105\5\0\4\105\1\0\3\105"+
    "\5\0\2\105\24\0\10\105\1\u01d9\13\105\5\0\4\105"+
    "\1\0\3\105\5\0\2\105\24\0\13\105\1\u01da\10\105"+
    "\5\0\4\105\1\0\3\105\5\0\2\105\24\0\5\105"+
    "\1\u01db\16\105\5\0\4\105\1\0\3\105\5\0\2\105"+
    "\24\0\5\105\1\u01dc\16\105\5\0\4\105\1\0\3\105"+
    "\5\0\2\105\24\0\2\105\1\u01dd\21\105\5\0\4\105"+
    "\1\0\3\105\5\0\2\105\24\0\10\105\1\u01de\13\105"+
    "\5\0\4\163\1\0\3\163\5\0\2\163\24\0\20\163"+
    "\1\u01df\3\163\5\0\4\163\1\0\3\163\5\0\2\163"+
    "\24\0\3\163\1\u01e0\20\163\5\0\4\163\1\0\3\163"+
    "\5\0\2\163\24\0\16\163\1\u01e1\5\163\5\0\4\163"+
    "\1\0\3\163\5\0\2\163\24\0\13\163\1\u01e2\10\163"+
    "\5\0\4\163\1\0\3\163\5\0\2\163\24\0\1\u01e3"+
    "\23\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\13\163\1\u01e4\10\163\5\0\4\163\1\0\3\163\5\0"+
    "\1\u01e5\1\163\24\0\24\163\5\0\4\163\1\0\3\163"+
    "\5\0\1\u01e6\1\163\24\0\24\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\11\163\1\u01e7\12\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\11\163\1\u01e8"+
    "\12\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\10\163\1\u01e9\13\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\13\163\1\u01ea\10\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\5\163\1\u01eb\16\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\5\163\1\u01ec"+
    "\16\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\2\163\1\u01ed\21\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\10\163\1\u01ee\13\163\5\0\4\30\1\0"+
    "\3\30\5\0\2\30\24\0\4\30\1\u01ef\17\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\7\30\1\u01f0"+
    "\14\30\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
    "\16\30\1\u01f1\5\30\5\0\4\30\1\0\3\30\5\0"+
    "\2\30\24\0\6\30\1\u01f2\15\30\5\0\4\30\1\0"+
    "\3\30\5\0\2\30\24\0\13\30\1\u01f3\10\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\15\30\1\u01f4"+
    "\6\30\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
    "\7\30\1\u01f5\14\30\5\0\4\30\1\0\3\30\5\0"+
    "\2\30\24\0\11\30\1\u01f6\12\30\5\0\4\30\1\0"+
    "\3\30\5\0\2\30\24\0\3\30\1\u01f7\20\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\1\30\1\u01f8"+
    "\22\30\5\0\4\105\1\0\3\105\5\0\2\105\24\0"+
    "\4\105\1\u01f9\17\105\5\0\4\105\1\0\3\105\5\0"+
    "\2\105\24\0\7\105\1\u01fa\14\105\5\0\4\105\1\0"+
    "\3\105\5\0\2\105\24\0\16\105\1\u01fb\5\105\5\0"+
    "\4\105\1\0\3\105\5\0\2\105\24\0\6\105\1\u01fc"+
    "\15\105\5\0\4\105\1\0\3\105\5\0\2\105\24\0"+
    "\3\105\1\u01fd\20\105\5\0\4\105\1\0\3\105\5\0"+
    "\2\105\24\0\13\105\1\u01fe\10\105\5\0\4\105\1\0"+
    "\3\105\5\0\2\105\24\0\15\105\1\u01ff\6\105\5\0"+
    "\4\105\1\0\3\105\5\0\2\105\24\0\7\105\1\u0200"+
    "\14\105\5\0\4\105\1\0\3\105\5\0\2\105\24\0"+
    "\11\105\1\u0201\12\105\5\0\4\105\1\0\3\105\5\0"+
    "\2\105\24\0\3\105\1\u0202\20\105\5\0\4\105\1\0"+
    "\3\105\5\0\2\105\24\0\11\105\1\u0203\12\105\5\0"+
    "\4\105\1\0\3\105\5\0\2\105\24\0\1\105\1\u0204"+
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    "\4\105\1\u0205\17\105\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\4\163\1\u0206\17\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\7\163\1\u0207\14\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\16\163\1\u0208"+
    "\5\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\6\163\1\u0209\15\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\3\163\1\u020a\20\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\13\163\1\u020b\10\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\15\163\1\u020c"+
    "\6\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\7\163\1\u020d\14\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\11\163\1\u020e\12\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\3\163\1\u020f\20\163\5\0"+
    "\4\163\1\0\3\163\5\0\2\163\24\0\11\163\1\u0210"+
    "\12\163\5\0\4\163\1\0\3\163\5\0\2\163\24\0"+
    "\1\163\1\u0211\22\163\5\0\4\163\1\0\3\163\5\0"+
    "\2\163\24\0\4\163\1\u0212\17\163\5\0\4\30\1\0"+
    "\3\30\5\0\2\30\24\0\5\30\1\u0213\16\30\5\0"+
    "\4\30\1\0\3\30\5\0\2\30\24\0\12\30\1\u0214"+
    "\11\30\5\0\4\30\1\0\3\30\5\0\2\30\24\0"+
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    "\2\30\24\0\13\30\1\u0216\10\30\5\0\4\30\1\0"+
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    "\5\0\2\105\24\0\13\105\1\u021b\10\105\5\0\4\105"+
    "\1\0\3\105\5\0\1\u021c\1\105\24\0\24\105\5\0"+
    "\4\105\1\0\3\105\5\0\1\u021d\1\105\24\0\24\105"+
    "\5\0\4\105\1\0\3\105\5\0\2\105\24\0\3\105"+
    "\1\u021e\20\105\5\0\4\163\1\0\3\163\5\0\2\163"+
    "\24\0\5\163\1\u021f\16\163\5\0\4\163\1\0\3\163"+
    "\5\0\2\163\24\0\12\163\1\u0220\11\163\5\0\4\163"+
    "\1\0\3\163\5\0\2\163\24\0\10\163\1\u0221\13\163"+
    "\5\0\4\163\1\0\3\163\5\0\2\163\24\0\13\163"+
    "\1\u0222\10\163\5\0\4\163\1\0\3\163\5\0\1\u0223"+
    "\1\163\24\0\24\163\5\0\4\163\1\0\3\163\5\0"+
    "\1\u0224\1\163\24\0\24\163\5\0\4\163\1\0\3\163"+
    "\5\0\2\163\24\0\3\163\1\u0225\20\163\5\0\4\30"+
    "\1\0\3\30\5\0\2\30\24\0\6\30\1\u0226\15\30"+
    "\5\0\4\30\1\0\3\30\5\0\2\30\24\0\5\30"+
    "\1\u0227\16\30\5\0\4\30\1\0\3\30\5\0\2\30"+
    "\24\0\7\30\1\u0228\14\30\5\0\4\30\1\0\3\30"+
    "\5\0\2\30\24\0\3\30\1\u0229\20\30\5\0\4\30"+
    "\1\0\3\30\5\0\2\30\24\0\5\30\1\u022a\16\30"+
    "\5\0\4\105\1\0\3\105\5\0\2\105\24\0\6\105"+
    "\1\u022b\15\105\5\0\4\105\1\0\3\105\5\0\2\105"+
    "\24\0\5\105\1\u022c\16\105\5\0\4\105\1\0\3\105"+
    "\5\0\2\105\24\0\7\105\1\u022d\14\105\5\0\4\105"+
    "\1\0\3\105\5\0\2\105\24\0\3\105\1\u022e\20\105"+
    "\5\0\4\105\1\0\3\105\5\0\2\105\24\0\5\105"+
    "\1\u022f\16\105\5\0\4\105\1\0\3\105\5\0\2\105"+
    "\24\0\13\105\1\u0230\10\105\5\0\4\163\1\0\3\163"+
    "\5\0\2\163\24\0\6\163\1\u0231\15\163\5\0\4\163"+
    "\1\0\3\163\5\0\2\163\24\0\5\163\1\u0232\16\163"+
    "\5\0\4\163\1\0\3\163\5\0\2\163\24\0\7\163"+
    "\1\u0233\14\163\5\0\4\163\1\0\3\163\5\0\2\163"+
    "\24\0\3\163\1\u0234\20\163\5\0\4\163\1\0\3\163"+
    "\5\0\2\163\24\0\5\163\1\u0235\16\163\5\0\4\163"+
    "\1\0\3\163\5\0\2\163\24\0\13\163\1\u0236\10\163"+
    "\5\0\4\30\1\0\3\30\5\0\2\30\24\0\5\30"+
    "\1\u0237\16\30\5\0\4\30\1\0\3\30\5\0\2\30"+
    "\24\0\7\30\1\u0238\14\30\5\0\4\105\1\0\3\105"+
    "\5\0\2\105\24\0\5\105\1\u0239\16\105\5\0\4\105"+
    "\1\0\3\105\5\0\2\105\24\0\7\105\1\u023a\14\105"+
    "\5\0\4\105\1\0\3\105\5\0\2\105\24\0\5\105"+
    "\1\u023b\16\105\5\0\4\163\1\0\3\163\5\0\2\163"+
    "\24\0\5\163\1\u023c\16\163\5\0\4\163\1\0\3\163"+
    "\5\0\2\163\24\0\7\163\1\u023d\14\163\5\0\4\163"+
    "\1\0\3\163\5\0\2\163\24\0\5\163\1\u023e\16\163"+
    "\5\0\4\30\1\0\3\30\5\0\1\u023f\1\30\24\0"+
    "\24\30\5\0\4\105\1\0\3\105\5\0\1\u0240\1\105"+
    "\24\0\24\105\5\0\4\105\1\0\3\105\5\0\2\105"+
    "\24\0\3\105\1\u0241\20\105\5\0\4\163\1\0\3\163"+
    "\5\0\1\u0242\1\163\24\0\24\163\5\0\4\163\1\0"+
    "\3\163\5\0\2\163\24\0\3\163\1\u0243\20\163";

  private static int [] zzUnpackTrans() {
    int [] result = new int[22560];
    int offset = 0;
    offset = zzUnpackTrans(ZZ_TRANS_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackTrans(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      value--;
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }


  /* error codes */
  private static final int ZZ_UNKNOWN_ERROR = 0;
  private static final int ZZ_NO_MATCH = 1;
  private static final int ZZ_PUSHBACK_2BIG = 2;

  /* error messages for the codes above */
  private static final String ZZ_ERROR_MSG[] = {
    "Unkown internal scanner error",
    "Error: could not match input",
    "Error: pushback value was too large"
  };

  /**
   * ZZ_ATTRIBUTE[aState] contains the attributes of state <code>aState</code>
   */
  private static final int [] ZZ_ATTRIBUTE = zzUnpackAttribute();

  private static final String ZZ_ATTRIBUTE_PACKED_0 =
    "\1\10\14\0\2\11\1\1\3\11\1\1\2\11\3\1"+
    "\1\11\2\1\1\11\1\1\1\11\2\1\16\11\20\1"+
    "\1\11\1\1\2\11\3\1\1\11\2\1\1\11\1\1"+
    "\1\11\2\1\16\11\21\1\1\11\1\1\2\11\3\1"+
    "\1\11\2\1\1\11\1\1\1\11\2\1\16\11\21\1"+
    "\1\11\2\1\1\11\1\1\2\11\1\1\1\11\1\1"+
    "\2\11\1\1\1\11\1\1\1\11\2\1\3\11\1\1"+
    "\1\11\1\1\1\0\1\1\5\11\1\0\1\11\1\0"+
    "\2\1\1\11\2\1\6\11\17\1\1\0\1\1\5\11"+
    "\1\0\1\11\1\0\2\1\1\11\2\1\6\11\22\1"+
    "\1\0\1\1\5\11\1\0\1\11\1\0\2\1\1\11"+
    "\2\1\6\11\24\1\1\11\2\1\1\11\2\1\7\11"+
    "\1\0\1\11\1\1\1\0\2\1\1\11\21\1\1\0"+
    "\1\11\1\1\1\0\2\1\1\11\24\1\1\0\1\11"+
    "\1\1\1\0\2\1\1\11\25\1\1\11\1\1\1\11"+
    "\1\1\1\11\1\1\2\11\17\1\2\11\22\1\2\11"+
    "\223\1";

  private static int [] zzUnpackAttribute() {
    int [] result = new int[579];
    int offset = 0;
    offset = zzUnpackAttribute(ZZ_ATTRIBUTE_PACKED_0, offset, result);
    return result;
  }

  private static int zzUnpackAttribute(String packed, int offset, int [] result) {
    int i = 0;       /* index in packed string  */
    int j = offset;  /* index in unpacked array */
    int l = packed.length();
    while (i < l) {
      int count = packed.charAt(i++);
      int value = packed.charAt(i++);
      do result[j++] = value; while (--count > 0);
    }
    return j;
  }

  /** the input device */
  private java.io.Reader zzReader;

  /** the current state of the DFA */
  private int zzState;

  /** the current lexical state */
  private int zzLexicalState = YYINITIAL;

  /** this buffer contains the current text to be matched and is
      the source of the yytext() string */
  private char zzBuffer[] = new char[ZZ_BUFFERSIZE];

  /** the textposition at the last accepting state */
  private int zzMarkedPos;

  /** the textposition at the last state to be included in yytext */
  private int zzPushbackPos;

  /** the current text position in the buffer */
  private int zzCurrentPos;

  /** startRead marks the beginning of the yytext() string in the buffer */
  private int zzStartRead;

  /** endRead marks the last character in the buffer, that has been read
      from input */
  private int zzEndRead;

  /** number of newlines encountered up to the start of the matched text */
  private int yyline;

  /** the number of characters up to the start of the matched text */
  private int yychar;

  /**
   * the number of characters from the last newline up to the start of the 
   * matched text
   */
  private int yycolumn;

  /** 
   * zzAtBOL == true <=> the scanner is currently at the beginning of a line
   */
  private boolean zzAtBOL = true;

  /** zzAtEOF == true <=> the scanner is at the EOF */
  private boolean zzAtEOF;

  /* user code: */
  
  //put comments in the buffer rather than returning them
  //NB: must be non-null before scanning starts
  private CommentBuffer commentBuffer = null;
  
  public void setCommentBuffer(CommentBuffer commentBuffer) {
      this.commentBuffer = commentBuffer;
  }
  
  public CommentBuffer getCommentBuffer() {
      return commentBuffer;
  }
  
  private int storedLine = -1;
  private int storedCol = -1;

  //Create a symbol using the current line and column number, as computed by JFlex
  //No attached value
  //Symbol is assumed to start and end on the same line
  //e.g. symbol(SEMICOLON)
  private Symbol symbol(short type) {
    return symbol(type, null);
  }
  
  //Create a symbol using the current line and column number, as computed by JFlex
  //Attached value gives content information
  //Symbol is assumed to start and end on the same line
  //e.g. symbol(IDENTIFIER, "x")
  private Symbol symbol(short type, Object value) {
    //NB: JFlex is zero-indexed, but we want one-indexed
    int startLine = yyline + 1;
    int startCol = yycolumn + 1;
    int endLine = startLine;
    int endCol = startCol + yylength() - 1;
    return symbol(type, value, startLine, startCol, endLine, endCol);
  }
  
  //Create a symbol using explicit position information (one-indexed)
  private Symbol symbol(short type, Object value, int startLine, int startCol, int endLine, int endCol) {
    int startPos = Symbol.makePosition(startLine, startCol);
    int endPos = Symbol.makePosition(endLine, endCol);
    return new Symbol(type, startPos, endPos, value);
  }
  
  //throw an exceptions with position information from JFlex
  private void error(String msg) throws Scanner.Exception {
    //correct to one-indexed
    throw new Scanner.Exception(yyline + 1, yycolumn + 1, msg);
  }
  
  //throw an exceptions with position information from JFlex
  //columnOffset is added to the column
  private void error(String msg, int columnOffset) throws Scanner.Exception {
  //correct to one-indexed
    throw new Scanner.Exception(yyline + 1, yycolumn + 1 + columnOffset, msg);
  }
    private final StateClass_natlab state_natlab = new StateClass_natlab();
    private class StateClass_natlab {
        private StateClass_natlab() {
            //from test/backend-jflex/in/natlab/natlab.mll [55, 1]
            embeddingRecordArray[0] = new EmbeddingRecord("leading_ws", inst_leading_ws, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [64, 1]
            embeddingRecordArray[1] = new EmbeddingRecord("class", inst_class, new PairFilter.Builder().add(/*OPEN_END*/ 22, /*END*/ 21).build());
            //from test/backend-jflex/in/natlab/natlab.mll [72, 1]
            embeddingRecordArray[2] = new EmbeddingRecord("class_brackets", inst_class_bracketed, new PairFilter.Builder().add(/*START_BRACKETED*/ 16, /*END_BRACKETED*/ 17).build());
            //from test/backend-jflex/in/natlab/natlab.mll [82, 1]
            embeddingRecordArray[3] = new EmbeddingRecord("field_name", inst_field_name, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [91, 1]
            embeddingRecordArray[4] = new EmbeddingRecord("transpose", inst_transpose, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [100, 1]
            embeddingRecordArray[5] = new EmbeddingRecord("string", inst_string, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [109, 1]
            embeddingRecordArray[6] = new EmbeddingRecord("comma_terminator", inst_comma_terminator, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [116, 1]
            embeddingRecordArray[7] = new EmbeddingRecord("semicolon_terminator", inst_semicolon_terminator, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [125, 1]
            embeddingRecordArray[8] = new EmbeddingRecord("bracket_comment", inst_bracket_comment, PairFilter.EMPTY);
            //from test/backend-jflex/in/natlab/natlab.mll [132, 1]
            embeddingRecordArray[9] = new EmbeddingRecord("bracket_help_comment", inst_bracket_help_comment, PairFilter.EMPTY);
            
            //from test/backend-jflex/in/natlab/natlab.mll [48, 8]
            yybegin(base_YYINITIAL_STATE);
            
            embeddingStack.push(new EmbeddingRecord(null, inst_base, PairFilter.EMPTY));
            
            //Transition through states reachable by pure BOF patterns
            //NB: append actions will not be performed
            startEmbedding(/*leading_ws*/ 0); 
            
            restartAppendBuf();
            restartDelimBuf(false);
            
            //NB: Send <BOF> immediately.  Don't check for a return, because pure BOFs are handled above.
            sendMTok(/*BOF*/ 0);
        }
        
        private final EmbeddingRecord[] embeddingRecordArray = new EmbeddingRecord[10];
        private final CompClass_leading_ws inst_leading_ws = new CompClass_leading_ws();
        private final CompClass_base inst_base = new CompClass_base();
        private final CompClass_class inst_class = new CompClass_class();
        private final CompClass_class_bracketed inst_class_bracketed = new CompClass_class_bracketed();
        private final CompClass_field_name inst_field_name = new CompClass_field_name();
        private final CompClass_comma_terminator inst_comma_terminator = new CompClass_comma_terminator();
        private final CompClass_semicolon_terminator inst_semicolon_terminator = new CompClass_semicolon_terminator();
        private final CompClass_string inst_string = new CompClass_string();
        private final CompClass_transpose inst_transpose = new CompClass_transpose();
        private final CompClass_bracket_comment inst_bracket_comment = new CompClass_bracket_comment();
        private final CompClass_bracket_help_comment inst_bracket_help_comment = new CompClass_bracket_help_comment();
        private java.util.Stack<EmbeddingRecord> embeddingStack = new java.util.Stack<EmbeddingRecord>();
        
        private void startEmbedding(int newEmbeddingNum) {
            EmbeddingRecord newEmbedding = embeddingRecordArray[newEmbeddingNum];
            newEmbedding.getFilter().reset();
            embeddingStack.push(newEmbedding);
            yybegin(newEmbedding.getComp().getStartState());
        }
        private void endEmbedding() {
            embeddingStack.pop();
            EmbeddingRecord newEmbedding = embeddingStack.peek();
            yybegin(newEmbedding.getComp().getStartState());
        }
        private ComponentInnerClass getCurrComp() {
            return embeddingStack.peek().getComp();
        }
        private PairFilter getCurrFilter() {
            return embeddingStack.peek().getFilter();
        }
        
        private int delimStartLine = -1;
        private int delimStartCol = -1;
        private StringBuffer delimBuf = null;
        
        private void restartDelimBuf(boolean copyToAppendBuf) {
            if(copyToAppendBuf && delimBuf.length() > 0) {
                startLine = delimStartLine;
                startCol = delimStartCol;
                appendBuf.append(delimBuf);
            }
            delimStartLine = -1;
            delimStartCol = -1;
            delimBuf = new StringBuffer();
        }
        private <T> void appendToStartDelim(T t) {
            if(delimStartLine < 0) {
                delimStartLine = yyline + 1;
                delimStartCol = yycolumn + 1;
            }
            delimBuf.append(t);
        }
        
        private int startLine = -1;
        private int startCol = -1;
        private StringBuffer appendBuf = null;
        
        private void restartAppendBuf() {
            startLine = yyline + 1;
            startCol = yycolumn + 1;
            appendBuf = new StringBuffer();
        }
        private int getStartLine() {
            return startLine;
        }
        private int getStartColumn() {
            return startCol;
        }
        private String getAppendText() {
            return appendBuf.toString();
        }
        private <T> void append(T t) {
            appendBuf.append(t);
        }
        
        private Symbol extraReturn = null;
        private int prevState = -1;
        
        public Symbol getExtraReturn() {
            return extraReturn;
        }
        public int getPrevState() {
            return prevState;
        }
        private void returnExtraValue(Symbol value) {
            extraReturn = value;
            prevState = yystate();
            if(yylength() > 0) {
                yypushback(1); //to ensure that at least one char is available
            }
            yybegin(EXTRA_RETURN);
        }
        
        private final MetaLexerClass_natlab metalexer_natlab = new MetaLexerClass_natlab();
        private MetaLexerClass_natlab.Transition sendMTok(int mtok) {
            return metalexer_natlab.processSymbol(mtok);
        }
        
        public void processMTok(int mtok)  throws Scanner.Exception{
            if(!getCurrFilter().test(mtok)) {
                return; //don't send symbol if it gets filtered out
            }
            Maybe<? extends Symbol> maybeReturn = Maybe.Nothing();
            ComponentInnerClass currComp = getCurrComp();
            boolean appendActionPerformed = false;
            MetaLexerClass_natlab.Transition next = sendMTok(mtok);
            while(next != null) {
                boolean endOfEmbedding = next.getEmbeddingNum() < 0;
                if(endOfEmbedding) {
                    endEmbedding();
                } else {
                    //NB: update filter in the OLD embedding and only in start case
                    getCurrFilter().clean(next.getMatch());
                    startEmbedding(next.getEmbeddingNum());
                }
                ComponentInnerClass nextComp = getCurrComp();
                //NB: only one append action can meaningfully be performed since
                //  no input can be consumed while in this loop
                if(!appendActionPerformed && currComp.isAppend() && !nextComp.isAppend()) {
                    int endLine = yyline + 1;
                    int endCol = yycolumn; //+1 handled by increment below
                    
                    final String yytext = yytext();
                    final int yylength = yylength();
                    boolean prevWasNewline = false;
                    for(int i = 0; i < yylength; i++) {
                        if(prevWasNewline) {
                            endLine++;
                            endCol = 0;
                        }
                        switch(yytext.charAt(i)) {
                        case '\r':
                            if(i + 1 < yylength && yytext.charAt(i+1) == '\n') {
                                i++;
                            }
                            //NB: fall through
                        case '\n':
                            prevWasNewline = true;
                            break;
                        default:
                            prevWasNewline = false;
                            break;
                        }
                        endCol++;
                    }
                    maybeReturn = currComp.performAppendAction(getStartLine(), getStartColumn(), endLine, endCol, getAppendText());
                    appendActionPerformed = true;
                }
                
                if(currComp.isAppend() != nextComp.isAppend()) {
                    restartAppendBuf();
                }
                
                restartDelimBuf(nextComp.expectsStartDelim());
                
                next = null;
                if(endOfEmbedding) {
                    int regionSym = currComp.getSymbolValue();
                    if(getCurrFilter().test(regionSym)) {
                        next = sendMTok(regionSym);
                    } else {
                    }
                }
            }
            if(maybeReturn.isJust()) {
                returnExtraValue(maybeReturn.fromJust());
            }
        }
    }
    private static abstract class ComponentInnerClass {
        public boolean isAppend() {
            return false;
        }
        public boolean expectsStartDelim() {
            return false;
        }
        public Maybe<? extends Symbol> performAppendAction(int startLine, int startCol, int endLine, int endCol, String text) throws Scanner.Exception {
            throw new UnsupportedOperationException(getClass().getName() + ".performAppendAction has not been implemented.");
        }
        public abstract int getStartState();
        public abstract int getSymbolValue();
    }
    //from test/backend-jflex/in/natlab/leading_ws.mlc [1, 1]
    private class CompClass_leading_ws extends ComponentInnerClass {
        
        public CompClass_leading_ws() {
        }
        
        private static final int YYINITIAL = leading_ws_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/leading_ws.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/leading_ws.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 1;
        }
        
        public Maybe<? extends Symbol> leading_ws_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_leading_ws.leading_ws_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> leading_ws_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_leading_ws.leading_ws_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> leading_ws_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_leading_ws.leading_ws_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/leading_ws.mlc [10, 9]
                yypushback(1);
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> leading_ws_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_leading_ws.leading_ws_action_4()");
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/base.mlc [1, 1]
    private class CompClass_base extends ComponentInnerClass {
        //from null [12, 1]
        //// Numbers /////////////////////////////////////////////////////////////////
  
  private DecIntNumericLiteralValue parseDecInt(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new DecIntNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }
  
  private HexNumericLiteralValue parseHexInt(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new HexNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }
  
  private FPNumericLiteralValue parseFP(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new FPNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }

        
        public CompClass_base() {
        }
        
        private static final int YYINITIAL = base_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/base.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/base.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 2;
        }
        
        public Maybe<? extends Symbol> base_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [47, 18]
                return Maybe.Just(symbol(LINE_TERMINATOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_4()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_5()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [54, 4]
                return Maybe.Just(symbol(LPAREN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_7()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [55, 4]
                return Maybe.Just(symbol(RPAREN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_8() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_8()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [56, 4]
                return Maybe.Just(symbol(LSQUARE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_9() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_9()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [57, 4]
                return Maybe.Just(symbol(RSQUARE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_10() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_10()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [58, 4]
                return Maybe.Just(symbol(LCURLY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_11() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_11()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [59, 4]
                return Maybe.Just(symbol(RCURLY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_12() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_12()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [62, 3]
                storedLine = yyline; storedCol = yycolumn;
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_13() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_13()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [63, 3]
                storedLine = yyline; storedCol = yycolumn;
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_14() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_14()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [66, 3]
                return Maybe.Just(symbol(COLON));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_15() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_15()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [67, 3]
                return Maybe.Just(symbol(AT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_16() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_16()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [70, 5]
                return Maybe.Just(symbol(PLUS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_17() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_17()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [71, 5]
                return Maybe.Just(symbol(MINUS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_18() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_18()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [72, 5]
                return Maybe.Just(symbol(MTIMES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_19() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_19()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [73, 6]
                return Maybe.Just(symbol(ETIMES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_20() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_20()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [74, 5]
                return Maybe.Just(symbol(MDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_21() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_21()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [75, 6]
                return Maybe.Just(symbol(EDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_22() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_22()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [76, 6]
                return Maybe.Just(symbol(MLDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_23() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_23()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [77, 7]
                return Maybe.Just(symbol(ELDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_24() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_24()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [78, 5]
                return Maybe.Just(symbol(MPOW));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_25() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_25()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [79, 6]
                return Maybe.Just(symbol(EPOW));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_26() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_26()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [81, 6]
                return Maybe.Just(symbol(ARRAYTRANSPOSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_27() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_27()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [84, 6]
                return Maybe.Just(symbol(LE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_28() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_28()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [85, 6]
                return Maybe.Just(symbol(GE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_29() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_29()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [86, 5]
                return Maybe.Just(symbol(LT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_30() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_30()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [87, 5]
                return Maybe.Just(symbol(GT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_31() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_31()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [88, 6]
                return Maybe.Just(symbol(EQ));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_32() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_32()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [89, 6]
                return Maybe.Just(symbol(NE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_33() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_33()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [92, 5]
                return Maybe.Just(symbol(AND));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_34() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_34()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [93, 5]
                return Maybe.Just(symbol(OR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_35() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_35()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [94, 5]
                return Maybe.Just(symbol(NOT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_36() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_36()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [95, 6]
                return Maybe.Just(symbol(SHORTAND));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_37() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_37()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [96, 6]
                return Maybe.Just(symbol(SHORTOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_38() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_38()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [98, 5]
                return Maybe.Just(symbol(ASSIGN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_39() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_39()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/base.mlc [8, 10]
                return Maybe.Just(symbol(CLASSDEF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_40() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_40()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/base.mlc [9, 5]
                return Maybe.Just(symbol(END));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_41() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_41()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [11, 6]
                return Maybe.Just(symbol(CASE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_42() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_42()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [12, 5]
                return Maybe.Just(symbol(FOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_43() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_43()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [13, 10]
                return Maybe.Just(symbol(FUNCTION));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_44() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_44()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [14, 4]
                return Maybe.Just(symbol(IF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_45() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_45()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [15, 8]
                return Maybe.Just(symbol(PARFOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_46() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_46()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [16, 8]
                return Maybe.Just(symbol(SWITCH));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_47() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_47()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [17, 5]
                return Maybe.Just(symbol(TRY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_48() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_48()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [18, 7]
                return Maybe.Just(symbol(WHILE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_49() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_49()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [20, 7]
                return Maybe.Just(symbol(BREAK));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_50() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_50()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [21, 7]
                return Maybe.Just(symbol(CATCH));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_51() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_51()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [22, 10]
                return Maybe.Just(symbol(CONTINUE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_52() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_52()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [23, 6]
                return Maybe.Just(symbol(ELSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_53() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_53()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [24, 8]
                return Maybe.Just(symbol(ELSEIF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_54() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_54()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [25, 5]
                return Maybe.Just(symbol(END));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_55() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_55()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [26, 8]
                return Maybe.Just(symbol(GLOBAL));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_56() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_56()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [27, 11]
                return Maybe.Just(symbol(OTHERWISE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_57() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_57()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [28, 12]
                return Maybe.Just(symbol(PERSISTENT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_58() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_58()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [29, 8]
                return Maybe.Just(symbol(RETURN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_59() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_59()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [31, 4]
                return Maybe.Just(symbol(DOT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_60() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_60()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [16, 15]
                return Maybe.Just(symbol(HELP_COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_61() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_61()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [17, 11]
                commentBuffer.pushComment(symbol(COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_62() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_62()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [103, 25]
                commentBuffer.pushComment(symbol(ELLIPSIS_COMMENT, yytext().substring(yytext().indexOf("..."), yylength() - 1)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_63() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_63()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [108, 13]
                return Maybe.Just(symbol(INT_NUMBER, parseDecInt(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_64() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_64()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [109, 12]
                return Maybe.Just(symbol(FP_NUMBER, parseFP(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_65() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_65()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [110, 13]
                return Maybe.Just(symbol(INT_NUMBER, parseHexInt(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_66() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_66()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [111, 22]
                return Maybe.Just(symbol(IM_INT_NUMBER, parseDecInt(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_67() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_67()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [112, 21]
                return Maybe.Just(symbol(IM_FP_NUMBER, parseFP(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_68() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_68()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [113, 22]
                return Maybe.Just(symbol(IM_INT_NUMBER, parseHexInt(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_69() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_69()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [116, 16]
                return Maybe.Just(symbol(SHELL_COMMAND, yytext().substring(1)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_70() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_70()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [36, 14]
                return Maybe.Just(symbol(IDENTIFIER, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_71() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_71()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/base.mlc [14, 9]
                error("Illegal character '" + yytext() + "'");
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> base_action_72() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_base.base_action_72()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/base.mlc [15, 9]
                return Maybe.Just(symbol(EOF));
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/class.mlc [1, 1]
    private class CompClass_class extends ComponentInnerClass {
        //from null [12, 1]
        //// Numbers /////////////////////////////////////////////////////////////////
  
  private DecIntNumericLiteralValue parseDecInt(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new DecIntNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }
  
  private HexNumericLiteralValue parseHexInt(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new HexNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }
  
  private FPNumericLiteralValue parseFP(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new FPNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }

        
        public CompClass_class() {
        }
        
        private static final int YYINITIAL = class_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/class.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/class.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 3;
        }
        
        public Maybe<? extends Symbol> class_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [47, 18]
                return Maybe.Just(symbol(LINE_TERMINATOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_4()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_5()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [54, 4]
                return Maybe.Just(symbol(LPAREN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_7()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [55, 4]
                return Maybe.Just(symbol(RPAREN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_8() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_8()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [56, 4]
                return Maybe.Just(symbol(LSQUARE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_9() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_9()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [57, 4]
                return Maybe.Just(symbol(RSQUARE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_10() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_10()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [58, 4]
                return Maybe.Just(symbol(LCURLY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_11() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_11()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [59, 4]
                return Maybe.Just(symbol(RCURLY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_12() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_12()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [62, 3]
                storedLine = yyline; storedCol = yycolumn;
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_13() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_13()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [63, 3]
                storedLine = yyline; storedCol = yycolumn;
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_14() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_14()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [66, 3]
                return Maybe.Just(symbol(COLON));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_15() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_15()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [67, 3]
                return Maybe.Just(symbol(AT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_16() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_16()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [70, 5]
                return Maybe.Just(symbol(PLUS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_17() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_17()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [71, 5]
                return Maybe.Just(symbol(MINUS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_18() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_18()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [72, 5]
                return Maybe.Just(symbol(MTIMES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_19() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_19()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [73, 6]
                return Maybe.Just(symbol(ETIMES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_20() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_20()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [74, 5]
                return Maybe.Just(symbol(MDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_21() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_21()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [75, 6]
                return Maybe.Just(symbol(EDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_22() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_22()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [76, 6]
                return Maybe.Just(symbol(MLDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_23() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_23()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [77, 7]
                return Maybe.Just(symbol(ELDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_24() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_24()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [78, 5]
                return Maybe.Just(symbol(MPOW));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_25() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_25()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [79, 6]
                return Maybe.Just(symbol(EPOW));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_26() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_26()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [81, 6]
                return Maybe.Just(symbol(ARRAYTRANSPOSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_27() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_27()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [84, 6]
                return Maybe.Just(symbol(LE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_28() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_28()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [85, 6]
                return Maybe.Just(symbol(GE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_29() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_29()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [86, 5]
                return Maybe.Just(symbol(LT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_30() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_30()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [87, 5]
                return Maybe.Just(symbol(GT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_31() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_31()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [88, 6]
                return Maybe.Just(symbol(EQ));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_32() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_32()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [89, 6]
                return Maybe.Just(symbol(NE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_33() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_33()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [92, 5]
                return Maybe.Just(symbol(AND));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_34() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_34()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [93, 5]
                return Maybe.Just(symbol(OR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_35() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_35()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [94, 5]
                return Maybe.Just(symbol(NOT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_36() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_36()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [95, 6]
                return Maybe.Just(symbol(SHORTAND));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_37() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_37()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [96, 6]
                return Maybe.Just(symbol(SHORTOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_38() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_38()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [98, 5]
                return Maybe.Just(symbol(ASSIGN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_39() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_39()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [11, 10]
                return Maybe.Just(symbol(CLASSDEF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_40() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_40()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [12, 5]
                return Maybe.Just(symbol(END));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_41() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_41()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [14, 12]
                return Maybe.Just(symbol(PROPERTIES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_42() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_42()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [15, 9]
                return Maybe.Just(symbol(METHODS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_43() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_43()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [16, 8]
                return Maybe.Just(symbol(EVENTS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_44() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_44()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [11, 6]
                return Maybe.Just(symbol(CASE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_45() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_45()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [12, 5]
                return Maybe.Just(symbol(FOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_46() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_46()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [13, 10]
                return Maybe.Just(symbol(FUNCTION));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_47() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_47()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [14, 4]
                return Maybe.Just(symbol(IF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_48() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_48()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [15, 8]
                return Maybe.Just(symbol(PARFOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_49() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_49()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [16, 8]
                return Maybe.Just(symbol(SWITCH));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_50() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_50()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [17, 5]
                return Maybe.Just(symbol(TRY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_51() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_51()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [18, 7]
                return Maybe.Just(symbol(WHILE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_52() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_52()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [20, 7]
                return Maybe.Just(symbol(BREAK));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_53() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_53()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [21, 7]
                return Maybe.Just(symbol(CATCH));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_54() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_54()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [22, 10]
                return Maybe.Just(symbol(CONTINUE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_55() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_55()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [23, 6]
                return Maybe.Just(symbol(ELSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_56() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_56()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [24, 8]
                return Maybe.Just(symbol(ELSEIF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_57() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_57()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [25, 5]
                return Maybe.Just(symbol(END));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_58() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_58()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [26, 8]
                return Maybe.Just(symbol(GLOBAL));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_59() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_59()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [27, 11]
                return Maybe.Just(symbol(OTHERWISE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_60() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_60()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [28, 12]
                return Maybe.Just(symbol(PERSISTENT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_61() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_61()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [29, 8]
                return Maybe.Just(symbol(RETURN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_62() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_62()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [31, 4]
                return Maybe.Just(symbol(DOT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_63() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_63()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [16, 15]
                return Maybe.Just(symbol(HELP_COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_64() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_64()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [17, 11]
                commentBuffer.pushComment(symbol(COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_65() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_65()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [103, 25]
                commentBuffer.pushComment(symbol(ELLIPSIS_COMMENT, yytext().substring(yytext().indexOf("..."), yylength() - 1)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_66() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_66()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [108, 13]
                return Maybe.Just(symbol(INT_NUMBER, parseDecInt(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_67() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_67()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [109, 12]
                return Maybe.Just(symbol(FP_NUMBER, parseFP(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_68() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_68()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [110, 13]
                return Maybe.Just(symbol(INT_NUMBER, parseHexInt(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_69() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_69()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [111, 22]
                return Maybe.Just(symbol(IM_INT_NUMBER, parseDecInt(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_70() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_70()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [112, 21]
                return Maybe.Just(symbol(IM_FP_NUMBER, parseFP(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_71() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_71()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [113, 22]
                return Maybe.Just(symbol(IM_INT_NUMBER, parseHexInt(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_72() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_72()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [116, 16]
                return Maybe.Just(symbol(SHELL_COMMAND, yytext().substring(1)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_73() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_73()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [36, 14]
                return Maybe.Just(symbol(IDENTIFIER, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_74() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_74()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [21, 9]
                error("Illegal character in classdef '" + yytext() + "'");
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_action_75() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class.class_action_75()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class.mlc [22, 9]
                return Maybe.Just(symbol(EOF));
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/class_bracketed.mlc [1, 1]
    private class CompClass_class_bracketed extends ComponentInnerClass {
        //from null [12, 1]
        //// Numbers /////////////////////////////////////////////////////////////////
  
  private DecIntNumericLiteralValue parseDecInt(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new DecIntNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }
  
  private HexNumericLiteralValue parseHexInt(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new HexNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }
  
  private FPNumericLiteralValue parseFP(String text, boolean imaginary) throws Scanner.Exception {
      try { 
          return new FPNumericLiteralValue(yytext(), imaginary);
      } catch(NumberFormatException e) {
          error("Invalid number: " + yytext() + " (" + e.getMessage() + ")");
          return null; //unreachable - error throws an exception
      }
  }

        
        public CompClass_class_bracketed() {
        }
        
        private static final int YYINITIAL = class_bracketed_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/class_bracketed.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/class_bracketed.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 4;
        }
        
        public Maybe<? extends Symbol> class_bracketed_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [47, 18]
                return Maybe.Just(symbol(LINE_TERMINATOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_4()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_5()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [54, 4]
                return Maybe.Just(symbol(LPAREN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_7()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [55, 4]
                return Maybe.Just(symbol(RPAREN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_8() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_8()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [56, 4]
                return Maybe.Just(symbol(LSQUARE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_9() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_9()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [57, 4]
                return Maybe.Just(symbol(RSQUARE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_10() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_10()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [58, 4]
                return Maybe.Just(symbol(LCURLY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_11() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_11()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [59, 4]
                return Maybe.Just(symbol(RCURLY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_12() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_12()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [62, 3]
                storedLine = yyline; storedCol = yycolumn;
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_13() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_13()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [63, 3]
                storedLine = yyline; storedCol = yycolumn;
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_14() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_14()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [66, 3]
                return Maybe.Just(symbol(COLON));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_15() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_15()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [67, 3]
                return Maybe.Just(symbol(AT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_16() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_16()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [70, 5]
                return Maybe.Just(symbol(PLUS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_17() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_17()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [71, 5]
                return Maybe.Just(symbol(MINUS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_18() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_18()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [72, 5]
                return Maybe.Just(symbol(MTIMES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_19() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_19()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [73, 6]
                return Maybe.Just(symbol(ETIMES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_20() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_20()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [74, 5]
                return Maybe.Just(symbol(MDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_21() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_21()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [75, 6]
                return Maybe.Just(symbol(EDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_22() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_22()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [76, 6]
                return Maybe.Just(symbol(MLDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_23() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_23()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [77, 7]
                return Maybe.Just(symbol(ELDIV));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_24() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_24()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [78, 5]
                return Maybe.Just(symbol(MPOW));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_25() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_25()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [79, 6]
                return Maybe.Just(symbol(EPOW));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_26() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_26()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [81, 6]
                return Maybe.Just(symbol(ARRAYTRANSPOSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_27() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_27()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [84, 6]
                return Maybe.Just(symbol(LE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_28() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_28()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [85, 6]
                return Maybe.Just(symbol(GE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_29() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_29()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [86, 5]
                return Maybe.Just(symbol(LT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_30() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_30()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [87, 5]
                return Maybe.Just(symbol(GT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_31() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_31()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [88, 6]
                return Maybe.Just(symbol(EQ));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_32() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_32()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [89, 6]
                return Maybe.Just(symbol(NE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_33() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_33()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [92, 5]
                return Maybe.Just(symbol(AND));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_34() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_34()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [93, 5]
                return Maybe.Just(symbol(OR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_35() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_35()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [94, 5]
                return Maybe.Just(symbol(NOT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_36() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_36()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [95, 6]
                return Maybe.Just(symbol(SHORTAND));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_37() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_37()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [96, 6]
                return Maybe.Just(symbol(SHORTOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_38() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_38()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [98, 5]
                return Maybe.Just(symbol(ASSIGN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_39() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_39()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [11, 10]
                return Maybe.Just(symbol(CLASSDEF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_40() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_40()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [12, 5]
                return Maybe.Just(symbol(END));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_41() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_41()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [14, 12]
                return Maybe.Just(symbol(PROPERTIES));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_42() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_42()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [15, 9]
                return Maybe.Just(symbol(METHODS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_43() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_43()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [16, 8]
                return Maybe.Just(symbol(EVENTS));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_44() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_44()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [11, 6]
                return Maybe.Just(symbol(CASE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_45() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_45()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [12, 5]
                return Maybe.Just(symbol(FOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_46() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_46()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [13, 10]
                return Maybe.Just(symbol(FUNCTION));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_47() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_47()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [14, 4]
                return Maybe.Just(symbol(IF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_48() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_48()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [15, 8]
                return Maybe.Just(symbol(PARFOR));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_49() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_49()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [16, 8]
                return Maybe.Just(symbol(SWITCH));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_50() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_50()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [17, 5]
                return Maybe.Just(symbol(TRY));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_51() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_51()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [18, 7]
                return Maybe.Just(symbol(WHILE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_52() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_52()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [20, 7]
                return Maybe.Just(symbol(BREAK));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_53() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_53()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [21, 7]
                return Maybe.Just(symbol(CATCH));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_54() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_54()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [22, 10]
                return Maybe.Just(symbol(CONTINUE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_55() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_55()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [23, 6]
                return Maybe.Just(symbol(ELSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_56() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_56()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [24, 8]
                return Maybe.Just(symbol(ELSEIF));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_57() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_57()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [25, 5]
                return Maybe.Just(symbol(END));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_58() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_58()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [26, 8]
                return Maybe.Just(symbol(GLOBAL));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_59() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_59()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [27, 11]
                return Maybe.Just(symbol(OTHERWISE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_60() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_60()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [28, 12]
                return Maybe.Just(symbol(PERSISTENT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_61() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_61()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [29, 8]
                return Maybe.Just(symbol(RETURN));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_62() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_62()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [31, 4]
                return Maybe.Just(symbol(DOT));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_63() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_63()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [16, 15]
                return Maybe.Just(symbol(HELP_COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_64() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_64()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [17, 11]
                commentBuffer.pushComment(symbol(COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_65() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_65()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [103, 25]
                commentBuffer.pushComment(symbol(ELLIPSIS_COMMENT, yytext().substring(yytext().indexOf("..."), yylength() - 1)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_66() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_66()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [108, 13]
                return Maybe.Just(symbol(INT_NUMBER, parseDecInt(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_67() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_67()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [109, 12]
                return Maybe.Just(symbol(FP_NUMBER, parseFP(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_68() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_68()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [110, 13]
                return Maybe.Just(symbol(INT_NUMBER, parseHexInt(yytext(), false)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_69() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_69()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [111, 22]
                return Maybe.Just(symbol(IM_INT_NUMBER, parseDecInt(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_70() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_70()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [112, 21]
                return Maybe.Just(symbol(IM_FP_NUMBER, parseFP(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_71() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_71()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [113, 22]
                return Maybe.Just(symbol(IM_INT_NUMBER, parseHexInt(yytext(), true)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_72() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_72()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_symbols.mlc [116, 16]
                return Maybe.Just(symbol(SHELL_COMMAND, yytext().substring(1)));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_73() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_73()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/shared_keywords.mlc [36, 14]
                return Maybe.Just(symbol(IDENTIFIER, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_74() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_74()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [21, 9]
                error("Illegal character in classdef '" + yytext() + "'");
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> class_bracketed_action_75() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_class_bracketed.class_bracketed_action_75()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/class_bracketed.mlc [22, 9]
                error("Unclosed brackets in class");
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/field_name.mlc [1, 1]
    private class CompClass_field_name extends ComponentInnerClass {
        
        public CompClass_field_name() {
        }
        
        private static final int YYINITIAL = field_name_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/field_name.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/field_name.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 5;
        }
        
        public Maybe<? extends Symbol> field_name_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> field_name_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> field_name_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [16, 15]
                return Maybe.Just(symbol(HELP_COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> field_name_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_4()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [17, 11]
                commentBuffer.pushComment(symbol(COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> field_name_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_5()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/field_name.mlc [12, 14]
                return Maybe.Just(symbol(IDENTIFIER, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> field_name_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/field_name.mlc [16, 9]
                yypushback(1);
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> field_name_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_field_name.field_name_action_7()");
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/comma_terminator.mlc [1, 1]
    private class CompClass_comma_terminator extends ComponentInnerClass {
        
        public CompClass_comma_terminator() {
        }
        
        private static final int YYINITIAL = comma_terminator_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/comma_terminator.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/comma_terminator.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 6;
        }
        
        public Maybe<? extends Symbol> comma_terminator_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comma_terminator.mlc [12, 19]
                /* ignore */
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_4()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comma_terminator.mlc [13, 18]
                return Maybe.Just(symbol(COMMA_LINE_TERMINATOR, null, storedLine + 1, storedCol + 1, yyline + 1, yycolumn + 1));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_5()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [16, 15]
                return Maybe.Just(symbol(HELP_COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [17, 11]
                commentBuffer.pushComment(symbol(COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_7()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comma_terminator.mlc [18, 9]
                yypushback(1); return Maybe.Just(symbol(COMMA, null, storedLine + 1, storedCol + 1, storedLine + 1, storedCol + 1));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> comma_terminator_action_8() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_comma_terminator.comma_terminator_action_8()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comma_terminator.mlc [19, 9]
                return Maybe.Just(symbol(COMMA, null, storedLine + 1, storedCol + 1, storedLine + 1, storedCol + 1));
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [1, 1]
    private class CompClass_semicolon_terminator extends ComponentInnerClass {
        
        public CompClass_semicolon_terminator() {
        }
        
        private static final int YYINITIAL = semicolon_terminator_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 7;
        }
        
        public Maybe<? extends Symbol> semicolon_terminator_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_1()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_2()");
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [12, 19]
                /* ignore */
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_4()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [13, 18]
                return Maybe.Just(symbol(SEMICOLON_LINE_TERMINATOR, null, storedLine + 1, storedCol + 1, yyline + 1, yycolumn + 1));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_5()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [16, 15]
                return Maybe.Just(symbol(HELP_COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/comment_start.mlc [17, 11]
                commentBuffer.pushComment(symbol(COMMENT, yytext()));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_7()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [18, 9]
                yypushback(1); return Maybe.Just(symbol(SEMICOLON, null, storedLine + 1, storedCol + 1, storedLine + 1, storedCol + 1));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> semicolon_terminator_action_8() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_semicolon_terminator.semicolon_terminator_action_8()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/semicolon_terminator.mlc [19, 9]
                return Maybe.Just(symbol(SEMICOLON, null, storedLine + 1, storedCol + 1, storedLine + 1, storedCol + 1));
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/string.mlc [1, 1]
    private class CompClass_string extends ComponentInnerClass {
        
        public CompClass_string() {
        }
        
        private static final int YYINITIAL = string_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/string.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        public boolean isAppend() {
            return true;
        }
        public Maybe<? extends Symbol> performAppendAction(int startLine, int startCol, int endLine, int endCol, String text) throws Scanner.Exception {
            if(Object.class != null) {
                //from null [6, 1]
                /*(int startLine, int startCol, int endLine, int endCol, String text)*/
    return Maybe.Just(symbol(STRING, text, startLine, startCol, endLine, endCol));
            }
            return Maybe.Nothing();
        }
        public <T> void append(T t) {
            state_natlab.append(t);
        }
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/string.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 8;
        }
        
        public Maybe<? extends Symbol> string_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_1()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [13, 6]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> string_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_2()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [14, 5]
                /*just end string - %append will handle token*/
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> string_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [15, 15]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> string_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_4()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [16, 4]
                error("Invalid escape sequence");
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> string_action_5() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_5()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [17, 18]
                error("Unterminated string literal");
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> string_action_6() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_6()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [20, 9]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> string_action_7() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_string.string_action_7()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/string.mlc [21, 9]
                error("Unterminated string literal");
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/transpose.mlc [1, 1]
    private class CompClass_transpose extends ComponentInnerClass {
        
        public CompClass_transpose() {
        }
        
        private static final int YYINITIAL = transpose_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/transpose.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/transpose.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 9;
        }
        
        public Maybe<? extends Symbol> transpose_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_transpose.transpose_action_1()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/transpose.mlc [7, 5]
                return Maybe.Just(symbol(MTRANSPOSE));
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> transpose_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_transpose.transpose_action_2()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/transpose.mlc [10, 9]
                yypushback(1);
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> transpose_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_transpose.transpose_action_3()");
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/bracket_comment.mlc [1, 1]
    private class CompClass_bracket_comment extends ComponentInnerClass {
        
        public CompClass_bracket_comment() {
        }
        
        private static final int YYINITIAL = bracket_comment_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/bracket_comment.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        public boolean isAppend() {
            return true;
        }
        public Maybe<? extends Symbol> performAppendAction(int startLine, int startCol, int endLine, int endCol, String text) throws Scanner.Exception {
            if(Object.class != null) {
                //from null [7, 1]
                /*(int startLine, int startCol, int endLine, int endCol, String text)*/
    commentBuffer.pushComment(symbol(BRACKET_COMMENT, text, startLine, startCol, endLine, endCol));
            }
            return Maybe.Nothing();
        }
        public <T> void append(T t) {
            state_natlab.append(t);
        }
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/bracket_comment.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 10;
        }
        
        public Maybe<? extends Symbol> bracket_comment_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_comment.bracket_comment_action_1()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_comment.mlc [14, 22]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> bracket_comment_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_comment.bracket_comment_action_2()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_comment.mlc [15, 23]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> bracket_comment_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_comment.bracket_comment_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_comment.mlc [18, 9]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> bracket_comment_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_comment.bracket_comment_action_4()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_comment.mlc [19, 9]
                error("Unterminated bracket comment");
            }
            return Maybe.Nothing();
        }
    }
    //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [1, 1]
    private class CompClass_bracket_help_comment extends ComponentInnerClass {
        
        public CompClass_bracket_help_comment() {
        }
        
        private static final int YYINITIAL = bracket_help_comment_YYINITIAL_STATE; //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [1, 1]
        
        public <T> void appendToStartDelim(T t) {
            state_natlab.appendToStartDelim(t);
        }
        
        public boolean isAppend() {
            return true;
        }
        public Maybe<? extends Symbol> performAppendAction(int startLine, int startCol, int endLine, int endCol, String text) throws Scanner.Exception {
            if(Object.class != null) {
                //from null [7, 1]
                /*(int startLine, int startCol, int endLine, int endCol, String text)*/
    //TODO-AC: inserting delimiters is hackish
    return Maybe.Just(symbol(BRACKET_HELP_COMMENT, "%%{" + text, startLine, startCol, endLine, endCol));
            }
            return Maybe.Nothing();
        }
        public <T> void append(T t) {
            state_natlab.append(t);
        }
        
        public int getStartState() {
            //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [1, 1]
            return YYINITIAL;
        }
        
        public int getSymbolValue() {
            return 11;
        }
        
        public Maybe<? extends Symbol> bracket_help_comment_action_1() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_help_comment.bracket_help_comment_action_1()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [15, 22]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> bracket_help_comment_action_2() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_help_comment.bracket_help_comment_action_2()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [16, 23]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> bracket_help_comment_action_3() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_help_comment.bracket_help_comment_action_3()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [19, 9]
                append(yytext());
            }
            return Maybe.Nothing();
        }
        public Maybe<? extends Symbol> bracket_help_comment_action_4() throws Scanner.Exception {
            //System.err.println("state_natlab.inst_bracket_help_comment.bracket_help_comment_action_4()");
            if(Object.class != null) {
                //from test/backend-jflex/in/natlab/bracket_help_comment.mlc [20, 9]
                error("Unterminated bracket help comment");
            }
            return Maybe.Nothing();
        }
    }
    public static class MetaLexerClass_natlab {
        
        //// Symbols ////
        // <BOF>
        // %leading_ws%
        // %base%
        // %class%
        // %class_bracketed%
        // %field_name%
        // %comma_terminator%
        // %semicolon_terminator%
        // %string%
        // %transpose%
        // %bracket_comment%
        // %bracket_help_comment%
        // END_LEADING_WS
        // START_BRACKET_HELP_COMMENT
        // START_BRACKET_COMMENT
        // START_STRING
        // START_BRACKETED
        // END_BRACKETED
        // START_COMMA_TERMINATOR
        // START_SEMICOLON_TERMINATOR
        // START_CLASS
        // END
        // OPEN_END
        // START_FIELD_NAME
        // START_TRANSPOSE
        // END_FIELD_NAME
        // END_COMMA_TERMINATOR
        // END_SEMICOLON_TERMINATOR
        // END_STRING
        // END_TRANSPOSE
        // END_BRACKET_COMMENT
        
        private static final Integer[][] trans_BASE = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,0,4,5,6,7,0,0,8,4,0,0,0,0,0,0,},
        };
        private static final Integer[] act_BASE = new Integer[] {null,7,6,3,2,4,5,0,1,};
        
        private static final Integer[][] trans_string = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,},
        };
        private static final Integer[] act_string = new Integer[] {null,14,};
        
        private static final Integer[][] trans_bracket_comment = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,},
        };
        private static final Integer[] act_bracket_comment = new Integer[] {null,6,17,};
        
        private static final Integer[][] trans_field_name = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,0,},
        };
        private static final Integer[] act_field_name = new Integer[] {null,7,6,12,};
        
        private static final Integer[][] trans_class_brackets = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,0,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,},
        };
        private static final Integer[] act_class_brackets = new Integer[] {null,7,6,11,};
        
        private static final Integer[][] trans_class = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,3,4,5,6,7,0,8,0,9,5,0,0,0,0,0,0,},
        };
        private static final Integer[] act_class = new Integer[] {null,7,6,3,8,2,4,5,10,1,};
        
        private static final Integer[][] trans_semicolon_terminator = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,0,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,},
        };
        private static final Integer[] act_semicolon_terminator = new Integer[] {null,7,6,16,};
        
        private static final Integer[][] trans_leading_ws = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,},
        };
        private static final Integer[] act_leading_ws = new Integer[] {null,9,};
        
        private static final Integer[][] trans_transpose = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,},
        };
        private static final Integer[] act_transpose = new Integer[] {null,13,};
        
        private static final Integer[][] trans_bracket_help_comment = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,},
        };
        private static final Integer[] act_bracket_help_comment = new Integer[] {null,6,18,};
        
        private static final Integer[][] trans_comma_terminator = new Integer[][] {
            {0,0,0,0,0,0,0,0,0,0,0,0,0,1,2,0,0,0,0,0,0,0,0,0,0,0,3,0,0,0,0,},
        };
        private static final Integer[] act_comma_terminator = new Integer[] {null,7,6,15,};
        
        private static final Integer[][][] transitionTables = new Integer[][][] {
            trans_leading_ws,
            trans_class,
            trans_class_brackets,
            trans_field_name,
            trans_transpose,
            trans_string,
            trans_comma_terminator,
            trans_semicolon_terminator,
            trans_bracket_comment,
            trans_bracket_help_comment,
        };
        
        private static final Integer[][] actionTables = new Integer[][] {
            act_leading_ws,
            act_class,
            act_class_brackets,
            act_field_name,
            act_transpose,
            act_string,
            act_comma_terminator,
            act_semicolon_terminator,
            act_bracket_comment,
            act_bracket_help_comment,
        };
        
        private static final Integer[][] rev_trans_class = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_class = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_class_brackets = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_class_brackets = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_field_name = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_field_name = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_transpose = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,2,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_transpose = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_string = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_string = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_comma_terminator = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_comma_terminator = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_semicolon_terminator = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_semicolon_terminator = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_bracket_comment = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_bracket_comment = new Integer[] {null,null,1,};
        
        private static final Integer[][] rev_trans_bracket_help_comment = new Integer[][] {
            {1,1,1,1,1,1,1,1,1,1,1,1,1,2,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
            {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,},
        };
        private static final Integer[] rev_act_bracket_help_comment = new Integer[] {null,null,1,};
        
        private static final Integer[][][] reverseTransitionTables = new Integer[][][] {
            rev_trans_class,
            rev_trans_field_name,
            rev_trans_transpose,
            rev_trans_string,
            rev_trans_comma_terminator,
            rev_trans_semicolon_terminator,
            rev_trans_bracket_comment,
            rev_trans_bracket_help_comment,
            rev_trans_class_brackets,
        };
        
        private static final Integer[][] reverseActionTables = new Integer[][] {
            rev_act_class,
            rev_act_field_name,
            rev_act_transpose,
            rev_act_string,
            rev_act_comma_terminator,
            rev_act_semicolon_terminator,
            rev_act_bracket_comment,
            rev_act_bracket_help_comment,
            rev_act_class_brackets,
        };
        
        private static final int[] actionMap = new int[] {1,3,4,5,6,7,8,9,2,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,};
        
        private final java.util.Stack<Integer> stateStack = new java.util.Stack<Integer>();
        
        private java.util.List<Integer> currentMatch = new java.util.ArrayList<Integer>();
        private int currentState = 0;
        private Integer[][] currentTransitionTable = trans_BASE;
        private Integer[] currentActionTable = act_BASE;
        
        public MetaLexerClass_natlab() {
            //Transition through states reachable by pure BOF patterns
            switchDFAs(/*leading_ws*/ 0); 
        }
        
        public Transition processSymbol(int sym) {
            currentMatch.add(sym);
            currentState = currentTransitionTable[currentState][sym];
            Integer mpatNum = currentActionTable[currentState];
            if(mpatNum == null) {
                return null;
            }
            int action = actionMap[mpatNum];
            Transition transition = new Transition(action, cleanMatch(mpatNum, currentMatch));
            switchDFAs(action);
            return transition;
        }
        
        private void switchDFAs(int action) {
            currentState = 0;
            currentMatch.clear();
            
            int nextEmbedding;
            if(action < 0) {
                stateStack.pop();
                nextEmbedding = stateStack.isEmpty() ? -1 : stateStack.peek();
            } else {
                stateStack.push(action);
                nextEmbedding = action;
            }
            
            if(nextEmbedding < 0) {
                currentTransitionTable = trans_BASE;
                currentActionTable = act_BASE;
            } else {
                currentTransitionTable = transitionTables[nextEmbedding];
                currentActionTable = actionTables[nextEmbedding];
            }
        }
        
        private java.util.List<Integer> cleanMatch(int mpatNum, java.util.List<Integer> rawMatch) {
            if(mpatNum >= reverseTransitionTables.length) {
                //don't need to clean end pattern matches - they aren't looked at
                return new java.util.ArrayList<Integer>(rawMatch);
            }
            
            java.util.List<Integer> cleanMatch = new java.util.ArrayList<Integer>();
            Integer[][] transitions = reverseTransitionTables[mpatNum];
            Integer[] actions = reverseActionTables[mpatNum];
            int dfaState = 0;
            for(int i = rawMatch.size() - 1; (i >= 0) && (actions[dfaState] == null); i--) {
                int sym = rawMatch.get(i);
                cleanMatch.add(sym);
                dfaState = transitions[dfaState][sym];
            }
            java.util.Collections.reverse(cleanMatch);
            return cleanMatch;
        }
        
        public static class Transition {
            private final int embeddingNum;
            private final java.util.List<Integer> match;
            
            public Transition(int embeddingNum, java.util.List<Integer> match) {
                this.embeddingNum = embeddingNum;
                this.match = new java.util.ArrayList<Integer>(match);
            }
            
            public int getEmbeddingNum() { return embeddingNum; }
            
            public java.util.List<Integer> getMatch() { return match; }
        }
        
    }
    private static class PairFilter {
        public static final PairFilter EMPTY = new PairFilter.Builder().build();
        
        private final java.util.Map<Integer, java.util.Set<Integer>> pairMap; //close -> open
        private final java.util.Set<Integer> allOpenSymbols;
        private final java.util.List<Integer> unclosedOpenSymbols; //really a stack, but then the iterator would go backwards
        
        private PairFilter(java.util.Map<Integer, java.util.Set<Integer>> pairMap, java.util.Set<Integer> allOpenSymbols) {
            this.pairMap = pairMap;
            this.allOpenSymbols = allOpenSymbols;
            this.unclosedOpenSymbols = new java.util.ArrayList<Integer>();
        }
        
        public static class Builder {
            private final java.util.Map<Integer, java.util.Set<Integer>> pairMap; //close -> open
            private final java.util.Set<Integer> allOpenSymbols;
            
            public Builder() {
                this.pairMap = new java.util.HashMap<Integer, java.util.Set<Integer>>();
                this.allOpenSymbols = new java.util.HashSet<Integer>();
            }
            
            public Builder add(int open, int close) {
                allOpenSymbols.add(open);
                java.util.Set<Integer> list = pairMap.get(close);
                if(list == null) {
                    list = new java.util.HashSet<Integer>();
                    pairMap.put(close, list);
                }
                list.add(open);
                return this;
            }
            
            public PairFilter build() {
                return new PairFilter(pairMap, allOpenSymbols);
            }
        }
        
        public boolean test(int sym) {
            //NB: closing-ness takes precedence over opening-ness
            java.util.Set<Integer> correspondingOpens = pairMap.get(sym);
            if(correspondingOpens != null) { //implies closing
                for(java.util.Iterator<Integer> it = unclosedOpenSymbols.iterator(); it.hasNext(); ) {
                    int open = it.next();
                    if(correspondingOpens.contains(open)) {
                        //if closing and have seen corresponding open, then close open and reject
                        it.remove();
                        return false;
                    }
                }
                //if closing and have not seen corresponding open, then accept
            }
            if(allOpenSymbols.contains(sym)) { //implies opening
                unclosedOpenSymbols.add(0, sym); //insert at beginning
            }
            return true;
        }
        
        public void clean(java.util.List<Integer> match) {
            java.util.Collections.reverse(match);
            for(int sym : match) {
                if(unclosedOpenSymbols.isEmpty()) {
                    return;
                }
                
                if(unclosedOpenSymbols.get(0) == sym) {
                    unclosedOpenSymbols.remove(0);
                }
            }
        }
        
        public void reset() {
            unclosedOpenSymbols.clear();
        }
    }
    public class EmbeddingRecord {
        private final String name;
        private final ComponentInnerClass comp;
        private final PairFilter filter;
        
        public EmbeddingRecord(String name, ComponentInnerClass comp, PairFilter filter) {
            this.name = name;
            this.comp = comp;
            this.filter = filter;
        }
        
        public String getName() {
            return name;
        }
        
        public ComponentInnerClass getComp() {
            return comp;
        }
        
        public PairFilter getFilter() {
            return filter;
        }
    }
    private static abstract class Maybe<T> {
        @SuppressWarnings("unchecked")
        private final static Maybe NOTHING = new Nothing();
        
        private Maybe() {}
        
        public final boolean isNothing() {
            return !isJust();
        }
        public abstract boolean isJust();
        
        public abstract T fromJust();
        
        public static <S> Maybe<S> Just(S value) {
            return new Just<S>(value);
        }
        
        @SuppressWarnings("unchecked")
        public static <S> Maybe<S> Nothing() {
            return (Nothing<S>) NOTHING;
        }
        
        private static class Just<T> extends Maybe<T> {
            private T value;
            
            private Just(T value) {
                this.value = value;
            }
            
            public boolean isJust() {
                return true;
            }
            
            public T fromJust() {
                return value;
            }
            
            public String toString() { 
                return "Just " + value;
            }
        }
        
        private static class Nothing<T> extends Maybe<T> {
            private Nothing() {}
            
            public boolean isJust() {
                return false;
            }
            
            public T fromJust() {
                throw new UnsupportedOperationException("Cannot extract value from Nothing");
            }
            
            public String toString() {
                return "Nothing";
            }
        }
    }


  /**
   * Creates a new scanner
   * There is also a java.io.InputStream version of this constructor.
   *
   * @param   in  the java.io.Reader to read input from.
   */
  public NatlabScanner(java.io.Reader in) {
    this.zzReader = in;
  }

  /**
   * Creates a new scanner.
   * There is also java.io.Reader version of this constructor.
   *
   * @param   in  the java.io.Inputstream to read input from.
   */
  public NatlabScanner(java.io.InputStream in) {
    this(new java.io.InputStreamReader(in));
  }

  /** 
   * Unpacks the compressed character translation table.
   *
   * @param packed   the packed character translation table
   * @return         the unpacked character translation table
   */
  private static char [] zzUnpackCMap(String packed) {
    char [] map = new char[0x10000];
    int i = 0;  /* index in packed string  */
    int j = 0;  /* index in unpacked array */
    while (i < 154) {
      int  count = packed.charAt(i++);
      char value = packed.charAt(i++);
      do map[j++] = value; while (--count > 0);
    }
    return map;
  }


  /**
   * Refills the input buffer.
   *
   * @return      <code>false</code>, iff there was new input.
   * 
   * @exception   java.io.IOException  if any I/O-Error occurs
   */
  private boolean zzRefill() throws java.io.IOException {

    /* first: make room (if you can) */
    if (zzStartRead > 0) {
      System.arraycopy(zzBuffer, zzStartRead,
                       zzBuffer, 0,
                       zzEndRead-zzStartRead);

      /* translate stored positions */
      zzEndRead-= zzStartRead;
      zzCurrentPos-= zzStartRead;
      zzMarkedPos-= zzStartRead;
      zzPushbackPos-= zzStartRead;
      zzStartRead = 0;
    }

    /* is the buffer big enough? */
    if (zzCurrentPos >= zzBuffer.length) {
      /* if not: blow it up */
      char newBuffer[] = new char[zzCurrentPos*2];
      System.arraycopy(zzBuffer, 0, newBuffer, 0, zzBuffer.length);
      zzBuffer = newBuffer;
    }

    /* finally: fill the buffer with new input */
    int numRead = zzReader.read(zzBuffer, zzEndRead,
                                            zzBuffer.length-zzEndRead);

    if (numRead < 0) {
      return true;
    }
    else {
      zzEndRead+= numRead;
      return false;
    }
  }

    
  /**
   * Closes the input stream.
   */
  public final void yyclose() throws java.io.IOException {
    zzAtEOF = true;            /* indicate end of file */
    zzEndRead = zzStartRead;  /* invalidate buffer    */

    if (zzReader != null)
      zzReader.close();
  }


  /**
   * Resets the scanner to read from a new input stream.
   * Does not close the old reader.
   *
   * All internal variables are reset, the old input stream 
   * <b>cannot</b> be reused (internal buffer is discarded and lost).
   * Lexical state is set to <tt>ZZ_INITIAL</tt>.
   *
   * @param reader   the new input stream 
   */
  public final void yyreset(java.io.Reader reader) {
    zzReader = reader;
    zzAtBOL  = true;
    zzAtEOF  = false;
    zzEndRead = zzStartRead = 0;
    zzCurrentPos = zzMarkedPos = zzPushbackPos = 0;
    yyline = yychar = yycolumn = 0;
    zzLexicalState = YYINITIAL;
  }


  /**
   * Returns the current lexical state.
   */
  public final int yystate() {
    return zzLexicalState;
  }


  /**
   * Enters a new lexical state
   *
   * @param newState the new lexical state
   */
  public final void yybegin(int newState) {
    zzLexicalState = newState;
  }


  /**
   * Returns the text matched by the current regular expression.
   */
  public final String yytext() {
    return new String( zzBuffer, zzStartRead, zzMarkedPos-zzStartRead );
  }


  /**
   * Returns the character at position <tt>pos</tt> from the 
   * matched text. 
   * 
   * It is equivalent to yytext().charAt(pos), but faster
   *
   * @param pos the position of the character to fetch. 
   *            A value from 0 to yylength()-1.
   *
   * @return the character at position pos
   */
  public final char yycharat(int pos) {
    return zzBuffer[zzStartRead+pos];
  }


  /**
   * Returns the length of the matched text region.
   */
  public final int yylength() {
    return zzMarkedPos-zzStartRead;
  }


  /**
   * Reports an error that occured while scanning.
   *
   * In a wellformed scanner (no or only correct usage of 
   * yypushback(int) and a match-all fallback rule) this method 
   * will only be called with things that "Can't Possibly Happen".
   * If this method is called, something is seriously wrong
   * (e.g. a JFlex bug producing a faulty scanner etc.).
   *
   * Usual syntax/scanner level error handling should be done
   * in error fallback rules.
   *
   * @param   errorCode  the code of the errormessage to display
   */
  private void zzScanError(int errorCode) {
    String message;
    try {
      message = ZZ_ERROR_MSG[errorCode];
    }
    catch (ArrayIndexOutOfBoundsException e) {
      message = ZZ_ERROR_MSG[ZZ_UNKNOWN_ERROR];
    }

    throw new Error(message);
  } 


  /**
   * Pushes the specified amount of characters back into the input stream.
   *
   * They will be read again by then next call of the scanning method
   *
   * @param number  the number of characters to be read again.
   *                This number must not be greater than yylength()!
   */
  public void yypushback(int number)  {
    if ( number > yylength() )
      zzScanError(ZZ_PUSHBACK_2BIG);

    zzMarkedPos -= number;
  }


  /**
   * Resumes scanning until the next regular expression is matched,
   * the end of input is encountered or an I/O-Error occurs.
   *
   * @return      the next token
   * @exception   java.io.IOException  if any I/O-Error occurs
   */
  public Symbol nextToken() throws java.io.IOException, Scanner.Exception {
    int zzInput;
    int zzAction;

    // cached fields:
    int zzCurrentPosL;
    int zzMarkedPosL;
    int zzEndReadL = zzEndRead;
    char [] zzBufferL = zzBuffer;
    char [] zzCMapL = ZZ_CMAP;

    int [] zzTransL = ZZ_TRANS;
    int [] zzRowMapL = ZZ_ROWMAP;
    int [] zzAttrL = ZZ_ATTRIBUTE;

    while (true) {
      zzMarkedPosL = zzMarkedPos;

      boolean zzR = false;
      for (zzCurrentPosL = zzStartRead; zzCurrentPosL < zzMarkedPosL;
                                                             zzCurrentPosL++) {
        switch (zzBufferL[zzCurrentPosL]) {
        case '\u000B':
        case '\u000C':
        case '\u0085':
        case '\u2028':
        case '\u2029':
          yyline++;
          yycolumn = 0;
          zzR = false;
          break;
        case '\r':
          yyline++;
          yycolumn = 0;
          zzR = true;
          break;
        case '\n':
          if (zzR)
            zzR = false;
          else {
            yyline++;
            yycolumn = 0;
          }
          break;
        default:
          zzR = false;
          yycolumn++;
        }
      }

      if (zzR) {
        // peek one character ahead if it is \n (if we have counted one line too much)
        boolean zzPeek;
        if (zzMarkedPosL < zzEndReadL)
          zzPeek = zzBufferL[zzMarkedPosL] == '\n';
        else if (zzAtEOF)
          zzPeek = false;
        else {
          boolean eof = zzRefill();
          zzEndReadL = zzEndRead;
          zzMarkedPosL = zzMarkedPos;
          zzBufferL = zzBuffer;
          if (eof) 
            zzPeek = false;
          else 
            zzPeek = zzBufferL[zzMarkedPosL] == '\n';
        }
        if (zzPeek) yyline--;
      }
      zzAction = -1;

      zzCurrentPosL = zzCurrentPos = zzStartRead = zzMarkedPosL;
  
      zzState = zzLexicalState;


      zzForAction: {
        while (true) {
    
          if (zzCurrentPosL < zzEndReadL)
            zzInput = zzBufferL[zzCurrentPosL++];
          else if (zzAtEOF) {
            zzInput = YYEOF;
            break zzForAction;
          }
          else {
            // store back cached positions
            zzCurrentPos  = zzCurrentPosL;
            zzMarkedPos   = zzMarkedPosL;
            boolean eof = zzRefill();
            // get translated positions and possibly new buffer
            zzCurrentPosL  = zzCurrentPos;
            zzMarkedPosL   = zzMarkedPos;
            zzBufferL      = zzBuffer;
            zzEndReadL     = zzEndRead;
            if (eof) {
              zzInput = YYEOF;
              break zzForAction;
            }
            else {
              zzInput = zzBufferL[zzCurrentPosL++];
            }
          }
          int zzNext = zzTransL[ zzRowMapL[zzState] + zzCMapL[zzInput] ];
          if (zzNext == -1) break zzForAction;
          zzState = zzNext;

          int zzAttributes = zzAttrL[zzState];
          if ( (zzAttributes & 1) == 1 ) {
            zzAction = zzState;
            zzMarkedPosL = zzCurrentPosL;
            if ( (zzAttributes & 8) == 8 ) break zzForAction;
          }

        }
      }

      // store back cached position
      zzMarkedPos = zzMarkedPosL;

      switch (zzAction < 0 ? zzAction : ZZ_ACTION[zzAction]) {
        case 235: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_58();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 255: break;
        case 93: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_38();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 256: break;
        case 160: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_28();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 257: break;
        case 133: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_67();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 258: break;
        case 225: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_56();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 259: break;
        case 132: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_44();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 260: break;
        case 89: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_18();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 261: break;
        case 127: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_31();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 262: break;
        case 116: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_bracket_help_comment.bracket_help_comment_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 263: break;
        case 146: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_36();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 264: break;
        case 121: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_21();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 265: break;
        case 187: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_40();
        } finally {
            state_natlab.processMTok(21); //END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 266: break;
        case 135: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_26();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 267: break;
        case 170: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_2();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 268: break;
        case 53: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_12();
        } finally {
            state_natlab.processMTok(18); //START_COMMA_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 269: break;
        case 209: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_55();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 270: break;
        case 101: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_7();
        } finally {
            state_natlab.processMTok(26); //END_COMMA_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 271: break;
        case 95: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_35();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 272: break;
        case 140: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_63();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 273: break;
        case 188: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_45();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 274: break;
        case 154: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_25();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 275: break;
        case 214: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_53();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 276: break;
        case 5: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_71();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 277: break;
        case 79: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_5();
        } finally {
            state_natlab.processMTok(15); //START_STRING
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 278: break;
        case 87: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_15();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 279: break;
        case 12: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_61();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 280: break;
        case 139: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_69();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 281: break;
        case 239: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_51();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 282: break;
        case 40: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_73();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 283: break;
        case 65: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_33();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 284: break;
        case 234: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_48();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 285: break;
        case 21: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_9();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 286: break;
        case 49: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_6();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 287: break;
        case 203: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_71();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 288: break;
        case 134: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_23();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 289: break;
        case 78: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_11();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 290: break;
        case 232: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_43();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 291: break;
        case 216: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_52();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 292: break;
        case 1: 
          { yybegin(state_natlab.getPrevState());
        return state_natlab.getExtraReturn();
          }
        case 293: break;
        case 206: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_65();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 294: break;
        case 161: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_32();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 295: break;
        case 251: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_60();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 296: break;
        case 192: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_50();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 297: break;
        case 165: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_field_name.field_name_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 298: break;
        case 77: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_22();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 299: break;
        case 63: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_30();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 300: break;
        case 185: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_1();
        } finally {
            state_natlab.processMTok(13); //START_BRACKET_HELP_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 301: break;
        case 59: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_20();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 302: break;
        case 22: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_12();
        } finally {
            state_natlab.processMTok(18); //START_COMMA_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 303: break;
        case 7: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 304: break;
        case 210: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_49();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 305: break;
        case 75: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_10();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 306: break;
        case 51: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_8();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 307: break;
        case 196: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_1();
        } finally {
            state_natlab.processMTok(13); //START_BRACKET_HELP_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 308: break;
        case 76: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_72();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 309: break;
        case 54: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_13();
        } finally {
            state_natlab.processMTok(19); //START_SEMICOLON_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 310: break;
        case 244: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_39();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 311: break;
        case 30: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_29();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 312: break;
        case 120: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_19();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 313: break;
        case 180: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_47();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 314: break;
        case 84: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_12();
        } finally {
            state_natlab.processMTok(18); //START_COMMA_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 315: break;
        case 23: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_13();
        } finally {
            state_natlab.processMTok(19); //START_SEMICOLON_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 316: break;
        case 47: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_11();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 317: break;
        case 182: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_42();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 318: break;
        case 110: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_string.string_action_5();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 319: break;
        case 149: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_67();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 320: break;
        case 14: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_69();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 321: break;
        case 58: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_18();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 322: break;
        case 130: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_36();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 323: break;
        case 169: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_5();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 324: break;
        case 106: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_4();
        } finally {
            state_natlab.processMTok(27); //END_SEMICOLON_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 325: break;
        case 119: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_26();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 326: break;
        case 26: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_16();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 327: break;
        case 228: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_48();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 328: break;
        case 37: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 329: break;
        case 3: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_leading_ws.leading_ws_action_1();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 330: break;
        case 226: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_43();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 331: break;
        case 246: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_46();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 332: break;
        case 229: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_58();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 333: break;
        case 50: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_7();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 334: break;
        case 34: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_33();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 335: break;
        case 56: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_15();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 336: break;
        case 105: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_7();
        } finally {
            state_natlab.processMTok(27); //END_SEMICOLON_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 337: break;
        case 254: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_41();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 338: break;
        case 247: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_56();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 339: break;
        case 62: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_38();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 340: break;
        case 155: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_69();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 341: break;
        case 118: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_23();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 342: break;
        case 144: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_28();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 343: break;
        case 16: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_11();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 344: break;
        case 207: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_71();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 345: break;
        case 2: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_leading_ws.leading_ws_action_3();
        } finally {
            state_natlab.processMTok(12); //END_LEADING_WS
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 346: break;
        case 8: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_59();
        } finally {
            state_natlab.processMTok(23); //START_FIELD_NAME
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 347: break;
        case 163: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_37();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 348: break;
        case 241: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_39();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 349: break;
        case 202: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_65();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 350: break;
        case 158: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_27();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 351: break;
        case 205: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_55();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 352: break;
        case 73: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_17();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 353: break;
        case 32: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_30();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 354: break;
        case 220: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_53();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 355: break;
        case 64: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_35();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 356: break;
        case 191: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_1();
        } finally {
            state_natlab.processMTok(13); //START_BRACKET_HELP_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 357: break;
        case 28: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_20();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 358: break;
        case 138: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_25();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 359: break;
        case 186: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_50();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 360: break;
        case 245: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_54();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 361: break;
        case 222: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_45();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 362: break;
        case 71: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_73();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 363: break;
        case 104: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_6();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 364: break;
        case 97: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_34();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 365: break;
        case 123: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_66();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 366: break;
        case 91: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_24();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 367: break;
        case 213: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_52();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 368: break;
        case 117: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_64();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 369: break;
        case 86: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_14();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 370: break;
        case 124: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_60();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 371: break;
        case 168: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_2();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 372: break;
        case 211: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_50();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 373: break;
        case 145: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_32();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 374: break;
        case 69: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 375: break;
        case 46: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_22();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 376: break;
        case 141: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_2();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 377: break;
        case 243: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_46();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 378: break;
        case 67: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_74();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 379: break;
        case 103: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 380: break;
        case 74: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_64();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 381: break;
        case 252: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_41();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 382: break;
        case 159: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_31();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 383: break;
        case 230: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_49();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 384: break;
        case 153: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_21();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 385: break;
        case 45: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_72();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 386: break;
        case 199: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_68();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 387: break;
        case 184: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_68();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 388: break;
        case 208: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_44();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 389: break;
        case 41: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_66();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 390: break;
        case 183: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_70();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 391: break;
        case 9: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_70();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 392: break;
        case 52: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_9();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 393: break;
        case 20: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_8();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 394: break;
        case 6: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 395: break;
        case 125: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_2();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 396: break;
        case 70: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_62();
        } finally {
            state_natlab.processMTok(23); //START_FIELD_NAME
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 397: break;
        case 18: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_6();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 398: break;
        case 218: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_51();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 399: break;
        case 31: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_38();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 400: break;
        case 128: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_28();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 401: break;
        case 233: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_61();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 402: break;
        case 27: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_18();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 403: break;
        case 111: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_string.string_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 404: break;
        case 176: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_bracket_help_comment.bracket_help_comment_action_2();
        } finally {
            state_natlab.processMTok(30); //END_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 405: break;
        case 212: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_48();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 406: break;
        case 42: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_17();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 407: break;
        case 33: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_35();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 408: break;
        case 179: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_1();
        } finally {
            state_natlab.processMTok(13); //START_BRACKET_HELP_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 409: break;
        case 221: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_58();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 410: break;
        case 122: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_25();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 411: break;
        case 102: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_4();
        } finally {
            state_natlab.processMTok(26); //END_COMMA_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 412: break;
        case 240: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_43();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 413: break;
        case 17: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_5();
        } finally {
            state_natlab.processMTok(15); //START_STRING
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 414: break;
        case 175: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_bracket_help_comment.bracket_help_comment_action_1();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 415: break;
        case 25: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_15();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 416: break;
        case 249: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_59();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 417: break;
        case 172: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_string.string_action_1();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 418: break;
        case 92: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_29();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 419: break;
        case 173: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_bracket_comment.bracket_comment_action_1();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 420: break;
        case 224: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_49();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 421: break;
        case 152: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_19();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 422: break;
        case 129: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_32();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 423: break;
        case 55: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_14();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 424: break;
        case 223: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_55();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 425: break;
        case 147: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_37();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 426: break;
        case 15: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_22();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 427: break;
        case 204: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_44();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 428: break;
        case 142: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_27();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 429: break;
        case 81: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_7();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 430: break;
        case 231: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_56();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 431: break;
        case 164: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_47();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 432: break;
        case 162: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_36();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 433: break;
        case 237: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_42();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 434: break;
        case 43: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_64();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 435: break;
        case 151: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_26();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 436: break;
        case 242: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_54();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 437: break;
        case 82: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_8();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 438: break;
        case 88: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_16();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 439: break;
        case 198: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_62();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 440: break;
        case 80: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_6();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 441: break;
        case 201: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_52();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 442: break;
        case 190: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_68();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 443: break;
        case 66: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_34();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 444: break;
        case 60: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_24();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 445: break;
        case 72: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_66();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 446: break;
        case 217: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_53();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 447: break;
        case 112: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_string.string_action_2();
        } finally {
            state_natlab.processMTok(28); //END_STRING
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 448: break;
        case 167: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_5();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 449: break;
        case 197: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_1();
        } finally {
            state_natlab.processMTok(13); //START_BRACKET_HELP_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 450: break;
        case 96: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_33();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 451: break;
        case 227: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_61();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 452: break;
        case 114: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_transpose.transpose_action_1();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 453: break;
        case 181: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_40();
        } finally {
            state_natlab.processMTok(21); //END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 454: break;
        case 150: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_23();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 455: break;
        case 100: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_field_name.field_name_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 456: break;
        case 215: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_51();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 457: break;
        case 36: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_74();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 458: break;
        case 143: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_31();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 459: break;
        case 219: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_46();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 460: break;
        case 68: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 461: break;
        case 137: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_21();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 462: break;
        case 200: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_41();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 463: break;
        case 193: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_40();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 464: break;
        case 166: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_field_name.field_name_action_2();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 465: break;
        case 189: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_70();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 466: break;
        case 156: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_63();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 467: break;
        case 85: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_13();
        } finally {
            state_natlab.processMTok(19); //START_SEMICOLON_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 468: break;
        case 94: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_30();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 469: break;
        case 90: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_20();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 470: break;
        case 10: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_63();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 471: break;
        case 13: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_10();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 472: break;
        case 44: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_10();
        } finally {
            state_natlab.processMTok(16); //START_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 473: break;
        case 113: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_transpose.transpose_action_2();
        } finally {
            state_natlab.processMTok(29); //END_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 474: break;
        case 238: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_39();
        } finally {
            state_natlab.processMTok(20); //START_CLASS
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 475: break;
        case 148: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_47();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 476: break;
        case 109: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_string.string_action_6();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 477: break;
        case 19: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_7();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 478: break;
        case 98: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_field_name.field_name_action_6();
        } finally {
            state_natlab.processMTok(25); //END_FIELD_NAME
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 479: break;
        case 236: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_42();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 480: break;
        case 174: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_bracket_comment.bracket_comment_action_2();
        } finally {
            state_natlab.processMTok(30); //END_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 481: break;
        case 136: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_19();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 482: break;
        case 131: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_37();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 483: break;
        case 39: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_62();
        } finally {
            state_natlab.processMTok(23); //START_FIELD_NAME
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 484: break;
        case 108: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_6();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 485: break;
        case 48: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_5();
        } finally {
            state_natlab.processMTok(15); //START_STRING
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 486: break;
        case 126: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_27();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 487: break;
        case 253: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_60();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 488: break;
        case 194: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_45();
        } finally {
            state_natlab.processMTok(22); //OPEN_END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 489: break;
        case 83: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_9();
        } finally {
            state_natlab.processMTok(17); //END_BRACKETED
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 490: break;
        case 99: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_field_name.field_name_action_5();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 491: break;
        case 11: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_17();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 492: break;
        case 38: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 493: break;
        case 177: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_67();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 494: break;
        case 4: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_leading_ws.leading_ws_action_2();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 495: break;
        case 178: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_base.base_action_65();
        } finally {
            state_natlab.processMTok(24); //START_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 496: break;
        case 171: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_string.string_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 497: break;
        case 157: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_2();
        } finally {
            state_natlab.processMTok(14); //START_BRACKET_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 498: break;
        case 248: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_59();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 499: break;
        case 195: 
          { Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_field_name.field_name_action_1();
        } finally {
            state_natlab.processMTok(13); //START_BRACKET_HELP_COMMENT
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 500: break;
        case 115: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_bracket_comment.bracket_comment_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 501: break;
        case 57: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_16();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 502: break;
        case 35: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_34();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 503: break;
        case 107: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_3();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 504: break;
        case 250: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_57();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 505: break;
        case 29: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_24();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 506: break;
        case 61: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_class.class_action_29();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 507: break;
        case 24: 
          { Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_14();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
          }
        case 508: break;
        default: 
          if (zzInput == YYEOF && zzStartRead == zzCurrentPos) {
            zzAtEOF = true;
            switch (zzLexicalState) {
            case comma_terminator_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_comma_terminator.comma_terminator_action_8();
        } finally {
            state_natlab.processMTok(26); //END_COMMA_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 580: break;
            case class_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_class.class_action_75();
        } finally {
            state_natlab.processMTok(21); //END
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 581: break;
            case transpose_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_transpose.transpose_action_3();
        } finally {
            state_natlab.processMTok(29); //END_TRANSPOSE
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 582: break;
            case semicolon_terminator_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_semicolon_terminator.semicolon_terminator_action_8();
        } finally {
            state_natlab.processMTok(27); //END_SEMICOLON_TERMINATOR
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 583: break;
            case base_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult = state_natlab.inst_base.base_action_72();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 584: break;
            case field_name_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_field_name.field_name_action_7();
        } finally {
            state_natlab.processMTok(25); //END_FIELD_NAME
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 585: break;
            case leading_ws_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult;
        try {
            maybeResult = state_natlab.inst_leading_ws.leading_ws_action_4();
        } finally {
            state_natlab.processMTok(12); //END_LEADING_WS
        }
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 586: break;
            case EXTRA_RETURN: {
              yybegin(state_natlab.getPrevState());
        return state_natlab.getExtraReturn();
            }
            case 587: break;
            case class_bracketed_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult = state_natlab.inst_class_bracketed.class_bracketed_action_75();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 588: break;
            case bracket_help_comment_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult = state_natlab.inst_bracket_help_comment.bracket_help_comment_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 589: break;
            case string_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult = state_natlab.inst_string.string_action_7();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 590: break;
            case bracket_comment_YYINITIAL_STATE: {
              Maybe<? extends Symbol> maybeResult = state_natlab.inst_bracket_comment.bracket_comment_action_4();
        if(maybeResult.isJust()) {
            return maybeResult.fromJust();
        }
            }
            case 591: break;
            default:
            return null;
            }
          } 
          else {
            zzScanError(ZZ_NO_MATCH);
          }
      }
    }
  }


}
