
/*  A Bison parser, made from parse.y
 by  GNU Bison version 1.25
  */

#define YYBISON 1  /* Identify Bison output.  */

#define	CHAR	258
#define	NUMBER	259
#define	SECTEND	260
#define	SCDECL	261
#define	XSCDECL	262
#define	NAME	263
#define	PREVCCL	264
#define	EOF_OP	265
#define	OPTION_OP	266
#define	OPT_OUTFILE	267
#define	OPT_PREFIX	268
#define	OPT_YYCLASS	269
#define	CCE_ALNUM	270
#define	CCE_ALPHA	271
#define	CCE_BLANK	272
#define	CCE_CNTRL	273
#define	CCE_DIGIT	274
#define	CCE_GRAPH	275
#define	CCE_LOWER	276
#define	CCE_PRINT	277
#define	CCE_PUNCT	278
#define	CCE_SPACE	279
#define	CCE_UPPER	280
#define	CCE_XDIGIT	281

#line 9 "parse.y"

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Vern Paxson.
 * 
 * The United States Government has rights in this work pursuant
 * to contract no. DE-AC03-76SF00098 between the United States
 * Department of Energy and the University of California.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * Neither the name of the University nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 */

/* $Header$ */


/* Some versions of bison are broken in that they use alloca() but don't
 * declare it properly.  The following is the patented (just kidding!)
 * #ifdef chud to fix the problem, courtesy of Francois Pinard.
 */
#ifdef YYBISON
/* AIX requires this to be the first thing in the file.  What a piece.  */
# ifdef _AIX
 #pragma alloca
# endif
#endif

#include "flexdef.h"

/* The remainder of the alloca() cruft has to come after including flexdef.h,
 * so HAVE_ALLOCA_H is (possibly) defined.
 */
#ifdef YYBISON
# ifdef __GNUC__
#  ifndef alloca
#   define alloca __builtin_alloca
#  endif
# else
#  if HAVE_ALLOCA_H
#   include <alloca.h>
#  else
#   ifdef __hpux
void *alloca ();
#   else
#    ifdef __TURBOC__
#     include <malloc.h>
#    else
char *alloca ();
#    endif
#   endif
#  endif
# endif
#endif

/* Bletch, ^^^^ that was ugly! */


int pat, scnum, eps, headcnt, trailcnt, anyccl, lastchar, i, rulelen;
int trlcontxt, xcluflg, currccl, cclsorted, varlength, variable_trail_rule;

int *scon_stk;
int scon_stk_ptr;

static int madeany = false;  /* whether we've made the '.' character class */
int previous_continued_action;	/* whether the previous rule's action was '|' */

/* Expand a POSIX character class expression. */
#define CCL_EXPR(func) \
	{ \
	int c; \
	for ( c = 0; c < csize; ++c ) \
		if ( isascii(c) && func(c) ) \
			ccladd( currccl, c ); \
	}

/* While POSIX defines isblank(), it's not ANSI C. */
#define IS_BLANK(c) ((c) == ' ' || (c) == '\t')

/* On some over-ambitious machines, such as DEC Alpha's, the default
 * token type is "long" instead of "int"; this leads to problems with
 * declaring yylval in flexdef.h.  But so far, all the yacc's I've seen
 * wrap their definitions of YYSTYPE with "#ifndef YYSTYPE"'s, so the
 * following should ensure that the default token type is "int".
 */
#define YYSTYPE int

#ifndef YYSTYPE
#define YYSTYPE int
#endif
#include <stdio.h>

#ifndef __cplusplus
#ifndef __STDC__
#define const
#endif
#endif



#define	YYFINAL		107
#define	YYFLAG		-32768
#define	YYNTBASE	48

#define YYTRANSLATE(x) ((unsigned)(x) <= 281 ? yytranslate[x] : 73)

static const char yytranslate[] = {     0,
     2,     2,     2,     2,     2,     2,     2,     2,     2,    28,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,    42,     2,    36,     2,     2,     2,    43,
    44,    34,    39,    35,    47,    41,    38,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,    32,
    27,    33,    40,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
    45,     2,    46,    31,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,    29,    37,    30,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
     2,     2,     2,     2,     2,     1,     2,     3,     4,     5,
     6,     7,     8,     9,    10,    11,    12,    13,    14,    15,
    16,    17,    18,    19,    20,    21,    22,    23,    24,    25,
    26
};

#if YYDEBUG != 0
static const short yyprhs[] = {     0,
     0,     6,     7,    11,    14,    15,    17,    19,    21,    23,
    26,    28,    30,    33,    36,    37,    41,    45,    49,    55,
    61,    62,    63,    66,    68,    70,    72,    73,    78,    82,
    83,    87,    89,    91,    93,    96,   100,   103,   105,   109,
   111,   114,   117,   119,   122,   125,   128,   135,   141,   146,
   148,   150,   152,   156,   160,   162,   166,   171,   176,   179,
   182,   183,   185,   187,   189,   191,   193,   195,   197,   199,
   201,   203,   205,   207,   210
};

static const short yyrhs[] = {    49,
    50,    51,    57,    58,     0,     0,    50,    52,    53,     0,
    50,    54,     0,     0,     1,     0,     5,     0,     6,     0,
     7,     0,    53,     8,     0,     8,     0,     1,     0,    11,
    55,     0,    55,    56,     0,     0,    12,    27,     8,     0,
    13,    27,     8,     0,    14,    27,     8,     0,    57,    61,
    58,    59,    28,     0,    57,    61,    29,    57,    30,     0,
     0,     0,    31,    64,     0,    64,     0,    10,     0,     1,
     0,     0,    32,    60,    62,    33,     0,    32,    34,    33,
     0,     0,    62,    35,    63,     0,    63,     0,     1,     0,
     8,     0,    66,    65,     0,    66,    65,    36,     0,    65,
    36,     0,    65,     0,    65,    37,    67,     0,    67,     0,
    65,    38,     0,    67,    68,     0,    68,     0,    68,    34,
     0,    68,    39,     0,    68,    40,     0,    68,    29,     4,
    35,     4,    30,     0,    68,    29,     4,    35,    30,     0,
    68,    29,     4,    30,     0,    41,     0,    69,     0,     9,
     0,    42,    72,    42,     0,    43,    65,    44,     0,     3,
     0,    45,    70,    46,     0,    45,    31,    70,    46,     0,
    70,     3,    47,     3,     0,    70,     3,     0,    70,    71,
     0,     0,    15,     0,    16,     0,    17,     0,    18,     0,
    19,     0,    20,     0,    21,     0,    22,     0,    23,     0,
    24,     0,    25,     0,    26,     0,    72,     3,     0,     0
};

#endif

#if YYDEBUG != 0
static const short yyrline[] = { 0,
   112,   141,   149,   150,   151,   152,   156,   164,   167,   171,
   174,   177,   181,   184,   185,   188,   193,   195,   199,   201,
   203,   206,   219,   255,   279,   302,   306,   310,   313,   330,
   334,   336,   338,   342,   365,   420,   423,   466,   484,   490,
   495,   522,   530,   534,   541,   547,   553,   581,   595,   614,
   636,   654,   661,   664,   667,   678,   681,   688,   716,   727,
   734,   742,   743,   744,   745,   746,   747,   748,   749,   750,
   751,   752,   758,   761,   771
};
#endif


#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)

static const char * const yytname[] = {   "$","error","$undefined.","CHAR","NUMBER",
"SECTEND","SCDECL","XSCDECL","NAME","PREVCCL","EOF_OP","OPTION_OP","OPT_OUTFILE",
"OPT_PREFIX","OPT_YYCLASS","CCE_ALNUM","CCE_ALPHA","CCE_BLANK","CCE_CNTRL","CCE_DIGIT",
"CCE_GRAPH","CCE_LOWER","CCE_PRINT","CCE_PUNCT","CCE_SPACE","CCE_UPPER","CCE_XDIGIT",
"'='","'\\n'","'{'","'}'","'^'","'<'","'>'","'*'","','","'$'","'|'","'/'","'+'",
"'?'","'.'","'\"'","'('","')'","'['","']'","'-'","goal","initlex","sect1","sect1end",
"startconddecl","namelist1","options","optionlist","option","sect2","initforrule",
"flexrule","scon_stk_ptr","scon","namelist2","sconname","rule","re","re2","series",
"singleton","fullccl","ccl","ccl_expr","string", NULL
};
#endif

static const short yyr1[] = {     0,
    48,    49,    50,    50,    50,    50,    51,    52,    52,    53,
    53,    53,    54,    55,    55,    56,    56,    56,    57,    57,
    57,    58,    59,    59,    59,    59,    60,    61,    61,    61,
    62,    62,    62,    63,    64,    64,    64,    64,    65,    65,
    66,    67,    67,    68,    68,    68,    68,    68,    68,    68,
    68,    68,    68,    68,    68,    69,    69,    70,    70,    70,
    70,    71,    71,    71,    71,    71,    71,    71,    71,    71,
    71,    71,    71,    72,    72
};

static const short yyr2[] = {     0,
     5,     0,     3,     2,     0,     1,     1,     1,     1,     2,
     1,     1,     2,     2,     0,     3,     3,     3,     5,     5,
     0,     0,     2,     1,     1,     1,     0,     4,     3,     0,
     3,     1,     1,     1,     2,     3,     2,     1,     3,     1,
     2,     2,     1,     2,     2,     2,     6,     5,     4,     1,
     1,     1,     3,     3,     1,     3,     4,     4,     2,     2,
     0,     1,     1,     1,     1,     1,     1,     1,     1,     1,
     1,     1,     1,     2,     0
};

static const short yydefact[] = {     2,
     0,     6,     0,     7,     8,     9,    15,    21,     0,     4,
    13,    30,    12,    11,     3,     0,     0,     0,    14,    27,
     1,    22,    10,     0,     0,     0,     0,     0,    21,     0,
    16,    17,    18,    29,    33,    34,     0,    32,    30,    26,
    55,    52,    25,     0,    50,    75,     0,    61,     0,    24,
    38,     0,    40,    43,    51,    28,     0,    20,    23,     0,
     0,    61,     0,    19,    37,     0,    41,    35,    42,     0,
    44,    45,    46,    31,    74,    53,    54,     0,    59,    62,
    63,    64,    65,    66,    67,    68,    69,    70,    71,    72,
    73,    56,    60,    39,    36,     0,    57,     0,    49,     0,
    58,     0,    48,    47,     0,     0,     0
};

static const short yydefgoto[] = {   105,
     1,     3,     8,     9,    15,    10,    11,    19,    12,    21,
    49,    28,    22,    37,    38,    50,    51,    52,    53,    54,
    55,    63,    93,    60
};

static const short yypact[] = {-32768,
    78,-32768,    81,-32768,-32768,-32768,-32768,-32768,     6,-32768,
    -2,     5,-32768,-32768,    -7,   -14,     1,     9,-32768,    28,
-32768,    14,-32768,    55,    65,    74,    57,    30,-32768,    -1,
-32768,-32768,-32768,-32768,-32768,-32768,    58,-32768,    44,-32768,
-32768,-32768,-32768,    24,-32768,-32768,    24,    63,    69,-32768,
    23,    24,    24,    41,-32768,-32768,    90,-32768,-32768,    26,
    27,-32768,     0,-32768,-32768,    24,-32768,    59,    41,    95,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,    32,    53,-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
-32768,-32768,-32768,    24,-32768,     4,-32768,    98,-32768,     2,
-32768,    72,-32768,-32768,   103,   104,-32768
};

static const short yypgoto[] = {-32768,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,    76,    84,
-32768,-32768,-32768,-32768,    50,    64,    25,-32768,    43,   -49,
-32768,    48,-32768,-32768
};


#define	YYLAST		110


static const short yytable[] = {    40,
    23,    41,    79,    69,   -22,   102,    13,    42,    43,    16,
    17,    18,    24,    14,    80,    81,    82,    83,    84,    85,
    86,    87,    88,    89,    90,    91,    41,    25,    75,    44,
    35,   103,    42,    99,    79,    26,    20,    36,   100,    45,
    46,    47,    29,    48,    69,    92,    80,    81,    82,    83,
    84,    85,    86,    87,    88,    89,    90,    91,    65,    66,
    67,    27,    31,    66,    45,    46,    47,    76,    48,    70,
    77,    61,    32,    58,    71,    20,    68,    97,     2,    72,
    73,    33,    -5,    -5,    -5,     4,     5,     6,    -5,    34,
    56,     7,    57,    62,    95,    66,    64,    36,    96,    98,
   101,   104,   106,   107,    39,    30,    74,    59,    94,    78
};

static const short yycheck[] = {     1,
     8,     3,     3,    53,     0,     4,     1,     9,    10,    12,
    13,    14,    27,     8,    15,    16,    17,    18,    19,    20,
    21,    22,    23,    24,    25,    26,     3,    27,     3,    31,
     1,    30,     9,    30,     3,    27,    32,     8,    35,    41,
    42,    43,    29,    45,    94,    46,    15,    16,    17,    18,
    19,    20,    21,    22,    23,    24,    25,    26,    36,    37,
    38,    34,     8,    37,    41,    42,    43,    42,    45,    29,
    44,    47,     8,    30,    34,    32,    52,    46,     1,    39,
    40,     8,     5,     6,     7,     5,     6,     7,    11,    33,
    33,    11,    35,    31,    36,    37,    28,     8,     4,    47,
     3,    30,     0,     0,    29,    22,    57,    44,    66,    62
};
/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
#line 3 "/usr/lib/bison.simple"

/* Skeleton output parser for bison,
   Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */

/* As a special exception, when this file is copied by Bison into a
   Bison output file, you may use that output file without restriction.
   This special exception was added by the Free Software Foundation
   in version 1.24 of Bison.  */

#ifndef alloca
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* not GNU C.  */
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
#include <alloca.h>
#else /* not sparc */
#if defined (MSDOS) && !defined (__TURBOC__)
#include <malloc.h>
#else /* not MSDOS, or __TURBOC__ */
#if defined(_AIX)
#include <malloc.h>
 #pragma alloca
#else /* not MSDOS, __TURBOC__, or _AIX */
#ifdef __hpux
#ifdef __cplusplus
extern "C" {
void *alloca (unsigned int);
};
#else /* not __cplusplus */
void *alloca ();
#endif /* not __cplusplus */
#endif /* __hpux */
#endif /* not _AIX */
#endif /* not MSDOS, or __TURBOC__ */
#endif /* not sparc.  */
#endif /* not GNU C.  */
#endif /* alloca not defined.  */

/* This is the parser code that is written into each bison parser
  when the %semantic_parser declaration is not specified in the grammar.
  It was written by Richard Stallman by simplifying the hairy parser
  used when %semantic_parser is specified.  */

/* Note: there must be only one dollar sign in this file.
   It is replaced by the list of actions, each action
   as one case of the switch.  */

#define yyerrok		(yyerrstatus = 0)
#define yyclearin	(yychar = YYEMPTY)
#define YYEMPTY		-2
#define YYEOF		0
#define YYACCEPT	return(0)
#define YYABORT 	return(1)
#define YYERROR		goto yyerrlab1
/* Like YYERROR except do call yyerror.
   This remains here temporarily to ease the
   transition to the new meaning of YYERROR, for GCC.
   Once GCC version 2 has supplanted version 1, this can go.  */
#define YYFAIL		goto yyerrlab
#define YYRECOVERING()  (!!yyerrstatus)
#define YYBACKUP(token, value) \
do								\
  if (yychar == YYEMPTY && yylen == 1)				\
    { yychar = (token), yylval = (value);			\
      yychar1 = YYTRANSLATE (yychar);				\
      YYPOPSTACK;						\
      goto yybackup;						\
    }								\
  else								\
    { yyerror ("syntax error: cannot back up"); YYERROR; }	\
while (0)

#define YYTERROR	1
#define YYERRCODE	256

#ifndef YYPURE
#define YYLEX		yylex()
#endif

#ifdef YYPURE
#ifdef YYLSP_NEEDED
#ifdef YYLEX_PARAM
#define YYLEX		yylex(&yylval, &yylloc, YYLEX_PARAM)
#else
#define YYLEX		yylex(&yylval, &yylloc)
#endif
#else /* not YYLSP_NEEDED */
#ifdef YYLEX_PARAM
#define YYLEX		yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX		yylex(&yylval)
#endif
#endif /* not YYLSP_NEEDED */
#endif

/* If nonreentrant, generate the variables here */

#ifndef YYPURE

int	yychar;			/*  the lookahead symbol		*/
YYSTYPE	yylval;			/*  the semantic value of the		*/
				/*  lookahead symbol			*/

#ifdef YYLSP_NEEDED
YYLTYPE yylloc;			/*  location data for the lookahead	*/
				/*  symbol				*/
#endif

int yynerrs;			/*  number of parse errors so far       */
#endif  /* not YYPURE */

#if YYDEBUG != 0
int yydebug;			/*  nonzero means print parse trace	*/
/* Since this is uninitialized, it does not stop multiple parsers
   from coexisting.  */
#endif

/*  YYINITDEPTH indicates the initial size of the parser's stacks	*/

#ifndef	YYINITDEPTH
#define YYINITDEPTH 200
#endif

/*  YYMAXDEPTH is the maximum size the stacks can grow to
    (effective only if the built-in stack extension method is used).  */

#if YYMAXDEPTH == 0
#undef YYMAXDEPTH
#endif

#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif

/* Prevent warning if -Wstrict-prototypes.  */
#ifdef __GNUC__
int yyparse (void);
#endif

#if __GNUC__ > 1		/* GNU C and GNU C++ define this.  */
#define __yy_memcpy(TO,FROM,COUNT)	__builtin_memcpy(TO,FROM,COUNT)
#else				/* not GNU C or C++ */
#ifndef __cplusplus

/* This is the most reliable way to avoid incompatibilities
   in available built-in functions on various systems.  */
static void
__yy_memcpy (to, from, count)
     char *to;
     char *from;
     int count;
{
  register char *f = from;
  register char *t = to;
  register int i = count;

  while (i-- > 0)
    *t++ = *f++;
}

#else /* __cplusplus */

/* This is the most reliable way to avoid incompatibilities
   in available built-in functions on various systems.  */
static void
__yy_memcpy (char *to, char *from, int count)
{
  register char *f = from;
  register char *t = to;
  register int i = count;

  while (i-- > 0)
    *t++ = *f++;
}

#endif
#endif

#line 196 "/usr/lib/bison.simple"

/* The user can define YYPARSE_PARAM as the name of an argument to be passed
   into yyparse.  The argument should have type void *.
   It should actually point to an object.
   Grammar actions can access the variable by casting it
   to the proper pointer type.  */

#ifdef YYPARSE_PARAM
#ifdef __cplusplus
#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#else /* not __cplusplus */
#define YYPARSE_PARAM_ARG YYPARSE_PARAM
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#endif /* not __cplusplus */
#else /* not YYPARSE_PARAM */
#define YYPARSE_PARAM_ARG
#define YYPARSE_PARAM_DECL
#endif /* not YYPARSE_PARAM */

int
yyparse(YYPARSE_PARAM_ARG)
     YYPARSE_PARAM_DECL
{
  register int yystate;
  register int yyn;
  register short *yyssp;
  register YYSTYPE *yyvsp;
  int yyerrstatus;	/*  number of tokens to shift before error messages enabled */
  int yychar1 = 0;		/*  lookahead token as an internal (translated) token number */

  short	yyssa[YYINITDEPTH];	/*  the state stack			*/
  YYSTYPE yyvsa[YYINITDEPTH];	/*  the semantic value stack		*/

  short *yyss = yyssa;		/*  refer to the stacks thru separate pointers */
  YYSTYPE *yyvs = yyvsa;	/*  to allow yyoverflow to reallocate them elsewhere */

#ifdef YYLSP_NEEDED
  YYLTYPE yylsa[YYINITDEPTH];	/*  the location stack			*/
  YYLTYPE *yyls = yylsa;
  YYLTYPE *yylsp;

#define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
#else
#define YYPOPSTACK   (yyvsp--, yyssp--)
#endif

  int yystacksize = YYINITDEPTH;

#ifdef YYPURE
  int yychar;
  YYSTYPE yylval;
  int yynerrs;
#ifdef YYLSP_NEEDED
  YYLTYPE yylloc;
#endif
#endif

  YYSTYPE yyval;		/*  the variable used to return		*/
				/*  semantic values from the action	*/
				/*  routines				*/

  int yylen;

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Starting parse\n");
#endif

  yystate = 0;
  yyerrstatus = 0;
  yynerrs = 0;
  yychar = YYEMPTY;		/* Cause a token to be read.  */

  /* Initialize stack pointers.
     Waste one element of value and location stack
     so that they stay on the same level as the state stack.
     The wasted elements are never initialized.  */

  yyssp = yyss - 1;
  yyvsp = yyvs;
#ifdef YYLSP_NEEDED
  yylsp = yyls;
#endif

/* Push a new state, which is found in  yystate  .  */
/* In all cases, when you get here, the value and location stacks
   have just been pushed. so pushing a state here evens the stacks.  */
yynewstate:

  *++yyssp = yystate;

  if (yyssp >= yyss + yystacksize - 1)
    {
      /* Give user a chance to reallocate the stack */
      /* Use copies of these so that the &'s don't force the real ones into memory. */
      YYSTYPE *yyvs1 = yyvs;
      short *yyss1 = yyss;
#ifdef YYLSP_NEEDED
      YYLTYPE *yyls1 = yyls;
#endif

      /* Get the current used size of the three stacks, in elements.  */
      int size = yyssp - yyss + 1;

#ifdef yyoverflow
      /* Each stack pointer address is followed by the size of
	 the data in use in that stack, in bytes.  */
#ifdef YYLSP_NEEDED
      /* This used to be a conditional around just the two extra args,
	 but that might be undefined if yyoverflow is a macro.  */
      yyoverflow("parser stack overflow",
		 &yyss1, size * sizeof (*yyssp),
		 &yyvs1, size * sizeof (*yyvsp),
		 &yyls1, size * sizeof (*yylsp),
		 &yystacksize);
#else
      yyoverflow("parser stack overflow",
		 &yyss1, size * sizeof (*yyssp),
		 &yyvs1, size * sizeof (*yyvsp),
		 &yystacksize);
#endif

      yyss = yyss1; yyvs = yyvs1;
#ifdef YYLSP_NEEDED
      yyls = yyls1;
#endif
#else /* no yyoverflow */
      /* Extend the stack our own way.  */
      if (yystacksize >= YYMAXDEPTH)
	{
	  yyerror("parser stack overflow");
	  return 2;
	}
      yystacksize *= 2;
      if (yystacksize > YYMAXDEPTH)
	yystacksize = YYMAXDEPTH;
      yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
      __yy_memcpy ((char *)yyss, (char *)yyss1, size * sizeof (*yyssp));
      yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
      __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
      yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
      __yy_memcpy ((char *)yyls, (char *)yyls1, size * sizeof (*yylsp));
#endif
#endif /* no yyoverflow */

      yyssp = yyss + size - 1;
      yyvsp = yyvs + size - 1;
#ifdef YYLSP_NEEDED
      yylsp = yyls + size - 1;
#endif

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Stack size increased to %d\n", yystacksize);
#endif

      if (yyssp >= yyss + yystacksize - 1)
	YYABORT;
    }

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Entering state %d\n", yystate);
#endif

  goto yybackup;
 yybackup:

/* Do appropriate processing given the current state.  */
/* Read a lookahead token if we need one and don't already have one.  */
/* yyresume: */

  /* First try to decide what to do without reference to lookahead token.  */

  yyn = yypact[yystate];
  if (yyn == YYFLAG)
    goto yydefault;

  /* Not known => get a lookahead token if don't already have one.  */

  /* yychar is either YYEMPTY or YYEOF
     or a valid token in external form.  */

  if (yychar == YYEMPTY)
    {
#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Reading a token: ");
#endif
      yychar = YYLEX;
    }

  /* Convert token to internal form (in yychar1) for indexing tables with */

  if (yychar <= 0)		/* This means end of input. */
    {
      yychar1 = 0;
      yychar = YYEOF;		/* Don't call YYLEX any more */

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Now at end of input.\n");
#endif
    }
  else
    {
      yychar1 = YYTRANSLATE(yychar);

#if YYDEBUG != 0
      if (yydebug)
	{
	  fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
	  /* Give the individual parser a way to print the precise meaning
	     of a token, for further debugging info.  */
#ifdef YYPRINT
	  YYPRINT (stderr, yychar, yylval);
#endif
	  fprintf (stderr, ")\n");
	}
#endif
    }

  yyn += yychar1;
  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
    goto yydefault;

  yyn = yytable[yyn];

  /* yyn is what to do for this token type in this state.
     Negative => reduce, -yyn is rule number.
     Positive => shift, yyn is new state.
       New state is final state => don't bother to shift,
       just return success.
     0, or most negative number => error.  */

  if (yyn < 0)
    {
      if (yyn == YYFLAG)
	goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }
  else if (yyn == 0)
    goto yyerrlab;

  if (yyn == YYFINAL)
    YYACCEPT;

  /* Shift the lookahead token.  */

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif

  /* Discard the token being shifted unless it is eof.  */
  if (yychar != YYEOF)
    yychar = YYEMPTY;

  *++yyvsp = yylval;
#ifdef YYLSP_NEEDED
  *++yylsp = yylloc;
#endif

  /* count tokens shifted since error; after three, turn off error status.  */
  if (yyerrstatus) yyerrstatus--;

  yystate = yyn;
  goto yynewstate;

/* Do the default action for the current state.  */
yydefault:

  yyn = yydefact[yystate];
  if (yyn == 0)
    goto yyerrlab;

/* Do a reduction.  yyn is the number of a rule to reduce with.  */
yyreduce:
  yylen = yyr2[yyn];
  if (yylen > 0)
    yyval = yyvsp[1-yylen]; /* implement default value of the action */

#if YYDEBUG != 0
  if (yydebug)
    {
      int i;

      fprintf (stderr, "Reducing via rule %d (line %d), ",
	       yyn, yyrline[yyn]);

      /* Print the symbols being reduced, and their result.  */
      for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
	fprintf (stderr, "%s ", yytname[yyrhs[i]]);
      fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
    }
#endif


  switch (yyn) {

case 1:
#line 113 "parse.y"
{ /* add default rule */
			int def_rule;

			pat = cclinit();
			cclnegate( pat );

			def_rule = mkstate( -pat );

			/* Remember the number of the default rule so we
			 * don't generate "can't match" warnings for it.
			 */
			default_rule = num_rules;

			finish_rule( def_rule, false, 0, 0 );

			for ( i = 1; i <= lastsc; ++i )
				scset[i] = mkbranch( scset[i], def_rule );

			if ( spprdflt )
				add_action(
				"YY_FATAL_ERROR( \"flex scanner jammed\" )" );
			else
				add_action( "ECHO" );

			add_action( ";\n\tYY_BREAK\n" );
			;
    break;}
case 2:
#line 142 "parse.y"
{ /* initialize for processing rules */

			/* Create default DFA start condition. */
			scinstal( "INITIAL", false );
			;
    break;}
case 6:
#line 153 "parse.y"
{ synerr( "unknown error processing section 1" ); ;
    break;}
case 7:
#line 157 "parse.y"
{
			check_options();
			scon_stk = allocate_integer_array( lastsc + 1 );
			scon_stk_ptr = 0;
			;
    break;}
case 8:
#line 165 "parse.y"
{ xcluflg = false; ;
    break;}
case 9:
#line 168 "parse.y"
{ xcluflg = true; ;
    break;}
case 10:
#line 172 "parse.y"
{ scinstal( nmstr, xcluflg ); ;
    break;}
case 11:
#line 175 "parse.y"
{ scinstal( nmstr, xcluflg ); ;
    break;}
case 12:
#line 178 "parse.y"
{ synerr( "bad start condition list" ); ;
    break;}
case 16:
#line 189 "parse.y"
{
			outfilename = copy_string( nmstr );
			did_outfilename = 1;
			;
    break;}
case 17:
#line 194 "parse.y"
{ prefix = copy_string( nmstr ); ;
    break;}
case 18:
#line 196 "parse.y"
{ yyclass = copy_string( nmstr ); ;
    break;}
case 19:
#line 200 "parse.y"
{ scon_stk_ptr = yyvsp[-3]; ;
    break;}
case 20:
#line 202 "parse.y"
{ scon_stk_ptr = yyvsp[-3]; ;
    break;}
case 22:
#line 207 "parse.y"
{
			/* Initialize for a parse of one rule. */
			trlcontxt = variable_trail_rule = varlength = false;
			trailcnt = headcnt = rulelen = 0;
			current_state_type = STATE_NORMAL;
			previous_continued_action = continued_action;
			in_rule = true;

			new_rule();
			;
    break;}
case 23:
#line 220 "parse.y"
{
			pat = yyvsp[0];
			finish_rule( pat, variable_trail_rule,
				headcnt, trailcnt );

			if ( scon_stk_ptr > 0 )
				{
				for ( i = 1; i <= scon_stk_ptr; ++i )
					scbol[scon_stk[i]] =
						mkbranch( scbol[scon_stk[i]],
								pat );
				}

			else
				{
				/* Add to all non-exclusive start conditions,
				 * including the default (0) start condition.
				 */

				for ( i = 1; i <= lastsc; ++i )
					if ( ! scxclu[i] )
						scbol[i] = mkbranch( scbol[i],
									pat );
				}

			if ( ! bol_needed )
				{
				bol_needed = true;

				if ( performance_report > 1 )
					pinpoint_message(
			"'^' operator results in sub-optimal performance" );
				}
			;
    break;}
case 24:
#line 256 "parse.y"
{
			pat = yyvsp[0];
			finish_rule( pat, variable_trail_rule,
				headcnt, trailcnt );

			if ( scon_stk_ptr > 0 )
				{
				for ( i = 1; i <= scon_stk_ptr; ++i )
					scset[scon_stk[i]] =
						mkbranch( scset[scon_stk[i]],
								pat );
				}

			else
				{
				for ( i = 1; i <= lastsc; ++i )
					if ( ! scxclu[i] )
						scset[i] =
							mkbranch( scset[i],
								pat );
				}
			;
    break;}
case 25:
#line 280 "parse.y"
{
			if ( scon_stk_ptr > 0 )
				build_eof_action();
	
			else
				{
				/* This EOF applies to all start conditions
				 * which don't already have EOF actions.
				 */
				for ( i = 1; i <= lastsc; ++i )
					if ( ! sceof[i] )
						scon_stk[++scon_stk_ptr] = i;

				if ( scon_stk_ptr == 0 )
					warn(
			"all start conditions already have <<EOF>> rules" );

				else
					build_eof_action();
				}
			;
    break;}
case 26:
#line 303 "parse.y"
{ synerr( "unrecognized rule" ); ;
    break;}
case 27:
#line 307 "parse.y"
{ yyval = scon_stk_ptr; ;
    break;}
case 28:
#line 311 "parse.y"
{ yyval = yyvsp[-2]; ;
    break;}
case 29:
#line 314 "parse.y"
{
			yyval = scon_stk_ptr;

			for ( i = 1; i <= lastsc; ++i )
				{
				int j;

				for ( j = 1; j <= scon_stk_ptr; ++j )
					if ( scon_stk[j] == i )
						break;

				if ( j > scon_stk_ptr )
					scon_stk[++scon_stk_ptr] = i;
				}
			;
    break;}
case 30:
#line 331 "parse.y"
{ yyval = scon_stk_ptr; ;
    break;}
case 33:
#line 339 "parse.y"
{ synerr( "bad start condition list" ); ;
    break;}
case 34:
#line 343 "parse.y"
{
			if ( (scnum = sclookup( nmstr )) == 0 )
				format_pinpoint_message(
					"undeclared start condition %s",
					nmstr );
			else
				{
				for ( i = 1; i <= scon_stk_ptr; ++i )
					if ( scon_stk[i] == scnum )
						{
						format_warn(
							"<%s> specified twice",
							scname[scnum] );
						break;
						}

				if ( i > scon_stk_ptr )
					scon_stk[++scon_stk_ptr] = scnum;
				}
			;
    break;}
case 35:
#line 366 "parse.y"
{
			if ( transchar[lastst[yyvsp[0]]] != SYM_EPSILON )
				/* Provide final transition \now/ so it
				 * will be marked as a trailing context
				 * state.
				 */
				yyvsp[0] = link_machines( yyvsp[0],
						mkstate( SYM_EPSILON ) );

			mark_beginning_as_normal( yyvsp[0] );
			current_state_type = STATE_NORMAL;

			if ( previous_continued_action )
				{
				/* We need to treat this as variable trailing
				 * context so that the backup does not happen
				 * in the action but before the action switch
				 * statement.  If the backup happens in the
				 * action, then the rules "falling into" this
				 * one's action will *also* do the backup,
				 * erroneously.
				 */
				if ( ! varlength || headcnt != 0 )
					warn(
		"trailing context made variable due to preceding '|' action" );

				/* Mark as variable. */
				varlength = true;
				headcnt = 0;
				}

			if ( lex_compat || (varlength && headcnt == 0) )
				{ /* variable trailing context rule */
				/* Mark the first part of the rule as the
				 * accepting "head" part of a trailing
				 * context rule.
				 *
				 * By the way, we didn't do this at the
				 * beginning of this production because back
				 * then current_state_type was set up for a
				 * trail rule, and add_accept() can create
				 * a new state ...
				 */
				add_accept( yyvsp[-1],
					num_rules | YY_TRAILING_HEAD_MASK );
				variable_trail_rule = true;
				}
			
			else
				trailcnt = rulelen;

			yyval = link_machines( yyvsp[-1], yyvsp[0] );
			;
    break;}
case 36:
#line 421 "parse.y"
{ synerr( "trailing context used twice" ); ;
    break;}
case 37:
#line 424 "parse.y"
{
			headcnt = 0;
			trailcnt = 1;
			rulelen = 1;
			varlength = false;

			current_state_type = STATE_TRAILING_CONTEXT;

			if ( trlcontxt )
				{
				synerr( "trailing context used twice" );
				yyval = mkstate( SYM_EPSILON );
				}

			else if ( previous_continued_action )
				{
				/* See the comment in the rule for "re2 re"
				 * above.
				 */
				warn(
		"trailing context made variable due to preceding '|' action" );

				varlength = true;
				}

			if ( lex_compat || varlength )
				{
				/* Again, see the comment in the rule for
				 * "re2 re" above.
				 */
				add_accept( yyvsp[-1],
					num_rules | YY_TRAILING_HEAD_MASK );
				variable_trail_rule = true;
				}

			trlcontxt = true;

			eps = mkstate( SYM_EPSILON );
			yyval = link_machines( yyvsp[-1],
				link_machines( eps, mkstate( '\n' ) ) );
			;
    break;}
case 38:
#line 467 "parse.y"
{
			yyval = yyvsp[0];

			if ( trlcontxt )
				{
				if ( lex_compat || (varlength && headcnt == 0) )
					/* Both head and trail are
					 * variable-length.
					 */
					variable_trail_rule = true;
				else
					trailcnt = rulelen;
				}
			;
    break;}
case 39:
#line 485 "parse.y"
{
			varlength = true;
			yyval = mkor( yyvsp[-2], yyvsp[0] );
			;
    break;}
case 40:
#line 491 "parse.y"
{ yyval = yyvsp[0]; ;
    break;}
case 41:
#line 496 "parse.y"
{
			/* This rule is written separately so the
			 * reduction will occur before the trailing
			 * series is parsed.
			 */

			if ( trlcontxt )
				synerr( "trailing context used twice" );
			else
				trlcontxt = true;

			if ( varlength )
				/* We hope the trailing context is
				 * fixed-length.
				 */
				varlength = false;
			else
				headcnt = rulelen;

			rulelen = 0;

			current_state_type = STATE_TRAILING_CONTEXT;
			yyval = yyvsp[-1];
			;
    break;}
case 42:
#line 523 "parse.y"
{
			/* This is where concatenation of adjacent patterns
			 * gets done.
			 */
			yyval = link_machines( yyvsp[-1], yyvsp[0] );
			;
    break;}
case 43:
#line 531 "parse.y"
{ yyval = yyvsp[0]; ;
    break;}
case 44:
#line 535 "parse.y"
{
			varlength = true;

			yyval = mkclos( yyvsp[-1] );
			;
    break;}
case 45:
#line 542 "parse.y"
{
			varlength = true;
			yyval = mkposcl( yyvsp[-1] );
			;
    break;}
case 46:
#line 548 "parse.y"
{
			varlength = true;
			yyval = mkopt( yyvsp[-1] );
			;
    break;}
case 47:
#line 554 "parse.y"
{
			varlength = true;

			if ( yyvsp[-3] > yyvsp[-1] || yyvsp[-3] < 0 )
				{
				synerr( "bad iteration values" );
				yyval = yyvsp[-5];
				}
			else
				{
				if ( yyvsp[-3] == 0 )
					{
					if ( yyvsp[-1] <= 0 )
						{
						synerr(
						"bad iteration values" );
						yyval = yyvsp[-5];
						}
					else
						yyval = mkopt(
							mkrep( yyvsp[-5], 1, yyvsp[-1] ) );
					}
				else
					yyval = mkrep( yyvsp[-5], yyvsp[-3], yyvsp[-1] );
				}
			;
    break;}
case 48:
#line 582 "parse.y"
{
			varlength = true;

			if ( yyvsp[-2] <= 0 )
				{
				synerr( "iteration value must be positive" );
				yyval = yyvsp[-4];
				}

			else
				yyval = mkrep( yyvsp[-4], yyvsp[-2], INFINITY );
			;
    break;}
case 49:
#line 596 "parse.y"
{
			/* The singleton could be something like "(foo)",
			 * in which case we have no idea what its length
			 * is, so we punt here.
			 */
			varlength = true;

			if ( yyvsp[-1] <= 0 )
				{
				synerr( "iteration value must be positive" );
				yyval = yyvsp[-3];
				}

			else
				yyval = link_machines( yyvsp[-3],
						copysingl( yyvsp[-3], yyvsp[-1] - 1 ) );
			;
    break;}
case 50:
#line 615 "parse.y"
{
			if ( ! madeany )
				{
				/* Create the '.' character class. */
				anyccl = cclinit();
				ccladd( anyccl, '\n' );
				cclnegate( anyccl );

				if ( useecs )
					mkeccl( ccltbl + cclmap[anyccl],
						ccllen[anyccl], nextecm,
						ecgroup, csize, csize );

				madeany = true;
				}

			++rulelen;

			yyval = mkstate( -anyccl );
			;
    break;}
case 51:
#line 637 "parse.y"
{
			if ( ! cclsorted )
				/* Sort characters for fast searching.  We
				 * use a shell sort since this list could
				 * be large.
				 */
				cshell( ccltbl + cclmap[yyvsp[0]], ccllen[yyvsp[0]], true );

			if ( useecs )
				mkeccl( ccltbl + cclmap[yyvsp[0]], ccllen[yyvsp[0]],
					nextecm, ecgroup, csize, csize );

			++rulelen;

			yyval = mkstate( -yyvsp[0] );
			;
    break;}
case 52:
#line 655 "parse.y"
{
			++rulelen;

			yyval = mkstate( -yyvsp[0] );
			;
    break;}
case 53:
#line 662 "parse.y"
{ yyval = yyvsp[-1]; ;
    break;}
case 54:
#line 665 "parse.y"
{ yyval = yyvsp[-1]; ;
    break;}
case 55:
#line 668 "parse.y"
{
			++rulelen;

			if ( caseins && yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
				yyvsp[0] = clower( yyvsp[0] );

			yyval = mkstate( yyvsp[0] );
			;
    break;}
case 56:
#line 679 "parse.y"
{ yyval = yyvsp[-1]; ;
    break;}
case 57:
#line 682 "parse.y"
{
			cclnegate( yyvsp[-1] );
			yyval = yyvsp[-1];
			;
    break;}
case 58:
#line 689 "parse.y"
{
			if ( caseins )
				{
				if ( yyvsp[-2] >= 'A' && yyvsp[-2] <= 'Z' )
					yyvsp[-2] = clower( yyvsp[-2] );
				if ( yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
					yyvsp[0] = clower( yyvsp[0] );
				}

			if ( yyvsp[-2] > yyvsp[0] )
				synerr( "negative range in character class" );

			else
				{
				for ( i = yyvsp[-2]; i <= yyvsp[0]; ++i )
					ccladd( yyvsp[-3], i );

				/* Keep track if this ccl is staying in
				 * alphabetical order.
				 */
				cclsorted = cclsorted && (yyvsp[-2] > lastchar);
				lastchar = yyvsp[0];
				}

			yyval = yyvsp[-3];
			;
    break;}
case 59:
#line 717 "parse.y"
{
			if ( caseins && yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
				yyvsp[0] = clower( yyvsp[0] );

			ccladd( yyvsp[-1], yyvsp[0] );
			cclsorted = cclsorted && (yyvsp[0] > lastchar);
			lastchar = yyvsp[0];
			yyval = yyvsp[-1];
			;
    break;}
case 60:
#line 728 "parse.y"
{
			/* Too hard to properly maintain cclsorted. */
			cclsorted = false;
			yyval = yyvsp[-1];
			;
    break;}
case 61:
#line 735 "parse.y"
{
			cclsorted = true;
			lastchar = 0;
			currccl = yyval = cclinit();
			;
    break;}
case 62:
#line 742 "parse.y"
{ CCL_EXPR(isalnum) ;
    break;}
case 63:
#line 743 "parse.y"
{ CCL_EXPR(isalpha) ;
    break;}
case 64:
#line 744 "parse.y"
{ CCL_EXPR(IS_BLANK) ;
    break;}
case 65:
#line 745 "parse.y"
{ CCL_EXPR(iscntrl) ;
    break;}
case 66:
#line 746 "parse.y"
{ CCL_EXPR(isdigit) ;
    break;}
case 67:
#line 747 "parse.y"
{ CCL_EXPR(isgraph) ;
    break;}
case 68:
#line 748 "parse.y"
{ CCL_EXPR(islower) ;
    break;}
case 69:
#line 749 "parse.y"
{ CCL_EXPR(isprint) ;
    break;}
case 70:
#line 750 "parse.y"
{ CCL_EXPR(ispunct) ;
    break;}
case 71:
#line 751 "parse.y"
{ CCL_EXPR(isspace) ;
    break;}
case 72:
#line 752 "parse.y"
{
				if ( caseins )
					CCL_EXPR(islower)
				else
					CCL_EXPR(isupper)
				;
    break;}
case 73:
#line 758 "parse.y"
{ CCL_EXPR(isxdigit) ;
    break;}
case 74:
#line 762 "parse.y"
{
			if ( caseins && yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
				yyvsp[0] = clower( yyvsp[0] );

			++rulelen;

			yyval = link_machines( yyvsp[-1], mkstate( yyvsp[0] ) );
			;
    break;}
case 75:
#line 772 "parse.y"
{ yyval = mkstate( SYM_EPSILON ); ;
    break;}
}
   /* the action file gets copied in in place of this dollarsign */
#line 498 "/usr/lib/bison.simple"

  yyvsp -= yylen;
  yyssp -= yylen;
#ifdef YYLSP_NEEDED
  yylsp -= yylen;
#endif

#if YYDEBUG != 0
  if (yydebug)
    {
      short *ssp1 = yyss - 1;
      fprintf (stderr, "state stack now");
      while (ssp1 != yyssp)
	fprintf (stderr, " %d", *++ssp1);
      fprintf (stderr, "\n");
    }
#endif

  *++yyvsp = yyval;

#ifdef YYLSP_NEEDED
  yylsp++;
  if (yylen == 0)
    {
      yylsp->first_line = yylloc.first_line;
      yylsp->first_column = yylloc.first_column;
      yylsp->last_line = (yylsp-1)->last_line;
      yylsp->last_column = (yylsp-1)->last_column;
      yylsp->text = 0;
    }
  else
    {
      yylsp->last_line = (yylsp+yylen-1)->last_line;
      yylsp->last_column = (yylsp+yylen-1)->last_column;
    }
#endif

  /* Now "shift" the result of the reduction.
     Determine what state that goes to,
     based on the state we popped back to
     and the rule number reduced by.  */

  yyn = yyr1[yyn];

  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
  if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
    yystate = yytable[yystate];
  else
    yystate = yydefgoto[yyn - YYNTBASE];

  goto yynewstate;

yyerrlab:   /* here on detecting error */

  if (! yyerrstatus)
    /* If not already recovering from an error, report this error.  */
    {
      ++yynerrs;

#ifdef YYERROR_VERBOSE
      yyn = yypact[yystate];

      if (yyn > YYFLAG && yyn < YYLAST)
	{
	  int size = 0;
	  char *msg;
	  int x, count;

	  count = 0;
	  /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */
	  for (x = (yyn < 0 ? -yyn : 0);
	       x < (sizeof(yytname) / sizeof(char *)); x++)
	    if (yycheck[x + yyn] == x)
	      size += strlen(yytname[x]) + 15, count++;
	  msg = (char *) malloc(size + 15);
	  if (msg != 0)
	    {
	      strcpy(msg, "parse error");

	      if (count < 5)
		{
		  count = 0;
		  for (x = (yyn < 0 ? -yyn : 0);
		       x < (sizeof(yytname) / sizeof(char *)); x++)
		    if (yycheck[x + yyn] == x)
		      {
			strcat(msg, count == 0 ? ", expecting `" : " or `");
			strcat(msg, yytname[x]);
			strcat(msg, "'");
			count++;
		      }
		}
	      yyerror(msg);
	      free(msg);
	    }
	  else
	    yyerror ("parse error; also virtual memory exceeded");
	}
      else
#endif /* YYERROR_VERBOSE */
	yyerror("parse error");
    }

  goto yyerrlab1;
yyerrlab1:   /* here on error raised explicitly by an action */

  if (yyerrstatus == 3)
    {
      /* if just tried and failed to reuse lookahead token after an error, discard it.  */

      /* return failure if at end of input */
      if (yychar == YYEOF)
	YYABORT;

#if YYDEBUG != 0
      if (yydebug)
	fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif

      yychar = YYEMPTY;
    }

  /* Else will try to reuse lookahead token
     after shifting the error token.  */

  yyerrstatus = 3;		/* Each real token shifted decrements this */

  goto yyerrhandle;

yyerrdefault:  /* current state does not do anything special for the error token. */

#if 0
  /* This is wrong; only states that explicitly want error tokens
     should shift them.  */
  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
  if (yyn) goto yydefault;
#endif

yyerrpop:   /* pop the current state because it cannot handle the error token */

  if (yyssp == yyss) YYABORT;
  yyvsp--;
  yystate = *--yyssp;
#ifdef YYLSP_NEEDED
  yylsp--;
#endif

#if YYDEBUG != 0
  if (yydebug)
    {
      short *ssp1 = yyss - 1;
      fprintf (stderr, "Error: state stack now");
      while (ssp1 != yyssp)
	fprintf (stderr, " %d", *++ssp1);
      fprintf (stderr, "\n");
    }
#endif

yyerrhandle:

  yyn = yypact[yystate];
  if (yyn == YYFLAG)
    goto yyerrdefault;

  yyn += YYTERROR;
  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
    goto yyerrdefault;

  yyn = yytable[yyn];
  if (yyn < 0)
    {
      if (yyn == YYFLAG)
	goto yyerrpop;
      yyn = -yyn;
      goto yyreduce;
    }
  else if (yyn == 0)
    goto yyerrpop;

  if (yyn == YYFINAL)
    YYACCEPT;

#if YYDEBUG != 0
  if (yydebug)
    fprintf(stderr, "Shifting error token, ");
#endif

  *++yyvsp = yylval;
#ifdef YYLSP_NEEDED
  *++yylsp = yylloc;
#endif

  yystate = yyn;
  goto yynewstate;
}
#line 775 "parse.y"



/* build_eof_action - build the "<<EOF>>" action for the active start
 *                    conditions
 */

void build_eof_action()
	{
	register int i;
	char action_text[MAXLINE];

	for ( i = 1; i <= scon_stk_ptr; ++i )
		{
		if ( sceof[scon_stk[i]] )
			format_pinpoint_message(
				"multiple <<EOF>> rules for start condition %s",
				scname[scon_stk[i]] );

		else
			{
			sceof[scon_stk[i]] = true;
			sprintf( action_text, "case YY_STATE_EOF(%s):\n",
				scname[scon_stk[i]] );
			add_action( action_text );
			}
		}

	line_directive_out( (FILE *) 0, 1 );

	/* This isn't a normal rule after all - don't count it as
	 * such, so we don't have any holes in the rule numbering
	 * (which make generating "rule can never match" warnings
	 * more difficult.
	 */
	--num_rules;
	++num_eof_rules;
	}


/* format_synerr - write out formatted syntax error */

void format_synerr( msg, arg )
char msg[], arg[];
	{
	char errmsg[MAXLINE];

	(void) sprintf( errmsg, msg, arg );
	synerr( errmsg );
	}


/* synerr - report a syntax error */

void synerr( str )
char str[];
	{
	syntaxerror = true;
	pinpoint_message( str );
	}


/* format_warn - write out formatted warning */

void format_warn( msg, arg )
char msg[], arg[];
	{
	char warn_msg[MAXLINE];

	(void) sprintf( warn_msg, msg, arg );
	warn( warn_msg );
	}


/* warn - report a warning, unless -w was given */

void warn( str )
char str[];
	{
	line_warning( str, linenum );
	}

/* format_pinpoint_message - write out a message formatted with one string,
 *			     pinpointing its location
 */

void format_pinpoint_message( msg, arg )
char msg[], arg[];
	{
	char errmsg[MAXLINE];

	(void) sprintf( errmsg, msg, arg );
	pinpoint_message( errmsg );
	}


/* pinpoint_message - write out a message, pinpointing its location */

void pinpoint_message( str )
char str[];
	{
	line_pinpoint( str, linenum, 1 );
	}


/* line_warning - report a warning at a given line, unless -w was given */

void line_warning( str, line )
char str[];
int line;
	{
	if ( ! nowarn )
		{
		line_pinpoint( str, line, 0 );
		}
	}


/* line_pinpoint - write out a message, pinpointing it at the given line */

void line_pinpoint( str, line, iserror )
char str[];
int line;
int iserror;
	{
	fprintf( stderr, "%c:%s:%d: %s\n", iserror? 'E': 'W',
		 infilename, line, str );
	}


/* yyerror - eat up an error message from the parser;
 *	     currently, messages are ignore
 */

void yyerror( msg )
char msg[];
	{
	}
