[bison.git] / bison.simple

/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
#line 3 "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 1.23 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
\f
#if __GNUC__ > 1		/* GNU C and GNU C++ define this.  */
#define __yy_memcpy(FROM,TO,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 (from, to, count)
     char *from;
     char *to;
     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 *from, char *to, int count)
{
  register char *f = from;
  register char *t = to;
  register int i = count;

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

#endif
#endif
\f
#line 192 "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
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#else
#define YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#endif

int
yyparse(YYPARSE_PARAM)
     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 *)yyss1, (char *)yyss, size * sizeof (*yyssp));
      yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
      __yy_memcpy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
      yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
      __yy_memcpy ((char *)yyls1, (char *)yyls, 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

$   /* the action file gets copied in in place of this dollarsign */
#line 487 "bison.simple"
\f
  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;
}
Commit	Line	Data
10fa2066 RS	1	/* --C-- Note some compilers choke on comments on `#line' lines. */
	2	#line 3 "bison.simple"
	3
	4	/* Skeleton output parser for bison,
21b14802	5	Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
10fa2066 RS	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
21b14802	9	the Free Software Foundation; either version 2, or (at your option)
10fa2066 RS	10	any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
	20
c71f8bba RS	21	/* As a special exception, when this file is copied by Bison into a
	22	Bison output file, you may use that output file without restriction.
	23	This special exception was added by the Free Software Foundation
	24	in version 1.23 of Bison. */
10fa2066 RS	25
	26	#ifndef alloca
	27	#ifdef __GNUC__
	28	#define alloca __builtin_alloca
	29	#else /* not GNU C. */
	30	#if (!defined (__STDC__) && defined (sparc)) \|\| defined (__sparc__) \|\| defined (__sparc) \|\| defined (__sgi)
	31	#include <alloca.h>
	32	#else /* not sparc */
	33	#if defined (MSDOS) && !defined (__TURBOC__)
	34	#include <malloc.h>
	35	#else /* not MSDOS, or __TURBOC__ */
	36	#if defined(_AIX)
	37	#include <malloc.h>
	38	#pragma alloca
	39	#else /* not MSDOS, __TURBOC__, or _AIX */
	40	#ifdef __hpux
	41	#ifdef __cplusplus
	42	extern "C" {
	43	void *alloca (unsigned int);
	44	};
	45	#else /* not __cplusplus */
	46	void *alloca ();
	47	#endif /* not __cplusplus */
	48	#endif /* __hpux */
	49	#endif /* not _AIX */
	50	#endif /* not MSDOS, or __TURBOC__ */
	51	#endif /* not sparc. */
	52	#endif /* not GNU C. */
	53	#endif /* alloca not defined. */
	54
	55	/* This is the parser code that is written into each bison parser
	56	when the %semantic_parser declaration is not specified in the grammar.
	57	It was written by Richard Stallman by simplifying the hairy parser
	58	used when %semantic_parser is specified. */
	59
	60	/* Note: there must be only one dollar sign in this file.
	61	It is replaced by the list of actions, each action
	62	as one case of the switch. */
	63
	64	#define yyerrok (yyerrstatus = 0)
	65	#define yyclearin (yychar = YYEMPTY)
	66	#define YYEMPTY -2
	67	#define YYEOF 0
	68	#define YYACCEPT return(0)
	69	#define YYABORT return(1)
	70	#define YYERROR goto yyerrlab1
	71	/* Like YYERROR except do call yyerror.
	72	This remains here temporarily to ease the
	73	transition to the new meaning of YYERROR, for GCC.
	74	Once GCC version 2 has supplanted version 1, this can go. */
	75	#define YYFAIL goto yyerrlab
	76	#define YYRECOVERING() (!!yyerrstatus)
	77	#define YYBACKUP(token, value) \
	78	do \
	79	if (yychar == YYEMPTY && yylen == 1) \
	80	{ yychar = (token), yylval = (value); \
	81	yychar1 = YYTRANSLATE (yychar); \
	82	YYPOPSTACK; \
	83	goto yybackup; \
	84	} \
	85	else \
	86	{ yyerror ("syntax error: cannot back up"); YYERROR; } \
	87	while (0)
	88
89	#define YYTERROR 1
90	#define YYERRCODE 256
91
92	#ifndef YYPURE
93	#define YYLEX yylex()
94	#endif
95
96	#ifdef YYPURE
97	#ifdef YYLSP_NEEDED
e425e872 RS	98	#ifdef YYLEX_PARAM
	99	#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
	100	#else
10fa2066	101	#define YYLEX yylex(&yylval, &yylloc)
e425e872 RS	102	#endif
	103	#else /* not YYLSP_NEEDED */
	104	#ifdef YYLEX_PARAM
	105	#define YYLEX yylex(&yylval, YYLEX_PARAM)
10fa2066 RS	106	#else
	107	#define YYLEX yylex(&yylval)
	108	#endif
e425e872	109	#endif /* not YYLSP_NEEDED */
10fa2066 RS	110	#endif
	111
	112	/* If nonreentrant, generate the variables here */
	113
	114	#ifndef YYPURE
	115
	116	int yychar; /* the lookahead symbol */
	117	YYSTYPE yylval; /* the semantic value of the */
	118	/* lookahead symbol */
	119
	120	#ifdef YYLSP_NEEDED
	121	YYLTYPE yylloc; /* location data for the lookahead */
	122	/* symbol */
	123	#endif
	124
	125	int yynerrs; /* number of parse errors so far */
	126	#endif /* not YYPURE */
	127
	128	#if YYDEBUG != 0
	129	int yydebug; /* nonzero means print parse trace */
	130	/* Since this is uninitialized, it does not stop multiple parsers
	131	from coexisting. */
	132	#endif
	133
	134	/* YYINITDEPTH indicates the initial size of the parser's stacks */
	135
	136	#ifndef YYINITDEPTH
	137	#define YYINITDEPTH 200
	138	#endif
	139
	140	/* YYMAXDEPTH is the maximum size the stacks can grow to
	141	(effective only if the built-in stack extension method is used). */
	142
	143	#if YYMAXDEPTH == 0
	144	#undef YYMAXDEPTH
	145	#endif
	146
	147	#ifndef YYMAXDEPTH
	148	#define YYMAXDEPTH 10000
	149	#endif
	150
	151	/* Prevent warning if -Wstrict-prototypes. */
	152	#ifdef __GNUC__
	153	int yyparse (void);
	154	#endif
	155	\f
	156	#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
ba39f603	157	#define __yy_memcpy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
10fa2066 RS	158	#else /* not GNU C or C++ */
	159	#ifndef __cplusplus
	160
	161	/* This is the most reliable way to avoid incompatibilities
	162	in available built-in functions on various systems. */
	163	static void
ba39f603	164	__yy_memcpy (from, to, count)
10fa2066 RS	165	char *from;
	166	char *to;
	167	int count;
	168	{
	169	register char *f = from;
	170	register char *t = to;
	171	register int i = count;
	172
	173	while (i-- > 0)
	174	t++ = f++;
	175	}
	176
	177	#else /* __cplusplus */
	178
	179	/* This is the most reliable way to avoid incompatibilities
	180	in available built-in functions on various systems. */
	181	static void
ba39f603	182	__yy_memcpy (char from, char to, int count)
10fa2066 RS	183	{
	184	register char *f = from;
	185	register char *t = to;
	186	register int i = count;
	187
	188	while (i-- > 0)
	189	t++ = f++;
	190	}
	191
	192	#endif
	193	#endif
	194	\f
cc90caac	195	#line 192 "bison.simple"
b658bf92 RS	196
	197	/* The user can define YYPARSE_PARAM as the name of an argument to be passed
	198	into yyparse. The argument should have type void *.
	199	It should actually point to an object.
	200	Grammar actions can access the variable by casting it
	201	to the proper pointer type. */
	202
	203	#ifdef YYPARSE_PARAM
	204	#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
	205	#else
	206	#define YYPARSE_PARAM
21b3ea15	207	#define YYPARSE_PARAM_DECL
b658bf92 RS	208	#endif
b658bf92 RS	209
10fa2066	210	int
b658bf92 RS	211	yyparse(YYPARSE_PARAM)
b658bf92 RS	212	YYPARSE_PARAM_DECL
10fa2066 RS	213	{
	214	register int yystate;
	215	register int yyn;
	216	register short *yyssp;
	217	register YYSTYPE *yyvsp;
	218	int yyerrstatus; /* number of tokens to shift before error messages enabled */
c6c88451	219	int yychar1 = 0; /* lookahead token as an internal (translated) token number */
10fa2066 RS	220
	221	short yyssa[YYINITDEPTH]; /* the state stack */
	222	YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
	223
	224	short yyss = yyssa; / refer to the stacks thru separate pointers */
	225	YYSTYPE yyvs = yyvsa; / to allow yyoverflow to reallocate them elsewhere */
	226
	227	#ifdef YYLSP_NEEDED
	228	YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
	229	YYLTYPE *yyls = yylsa;
	230	YYLTYPE *yylsp;
	231
	232	#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
	233	#else
	234	#define YYPOPSTACK (yyvsp--, yyssp--)
	235	#endif
	236
	237	int yystacksize = YYINITDEPTH;
	238
	239	#ifdef YYPURE
	240	int yychar;
	241	YYSTYPE yylval;
	242	int yynerrs;
	243	#ifdef YYLSP_NEEDED
	244	YYLTYPE yylloc;
	245	#endif
	246	#endif
	247
	248	YYSTYPE yyval; /* the variable used to return */
	249	/* semantic values from the action */
	250	/* routines */
	251
	252	int yylen;
	253
	254	#if YYDEBUG != 0
	255	if (yydebug)
	256	fprintf(stderr, "Starting parse\n");
	257	#endif
	258
	259	yystate = 0;
	260	yyerrstatus = 0;
	261	yynerrs = 0;
	262	yychar = YYEMPTY; /* Cause a token to be read. */
	263
	264	/* Initialize stack pointers.
	265	Waste one element of value and location stack
	266	so that they stay on the same level as the state stack.
	267	The wasted elements are never initialized. */
	268
	269	yyssp = yyss - 1;
	270	yyvsp = yyvs;
	271	#ifdef YYLSP_NEEDED
	272	yylsp = yyls;
	273	#endif
	274
	275	/* Push a new state, which is found in yystate . */
	276	/* In all cases, when you get here, the value and location stacks
	277	have just been pushed. so pushing a state here evens the stacks. */
	278	yynewstate:
	279
	280	*++yyssp = yystate;
	281
	282	if (yyssp >= yyss + yystacksize - 1)
	283	{
284	/* Give user a chance to reallocate the stack */
285	/* Use copies of these so that the &'s don't force the real ones into memory. */
286	YYSTYPE *yyvs1 = yyvs;
287	short *yyss1 = yyss;
288	#ifdef YYLSP_NEEDED
289	YYLTYPE *yyls1 = yyls;
290	#endif
291
292	/* Get the current used size of the three stacks, in elements. */
293	int size = yyssp - yyss + 1;
294
295	#ifdef yyoverflow
296	/* Each stack pointer address is followed by the size of
297	the data in use in that stack, in bytes. */
be4bf877 RS	298	#ifdef YYLSP_NEEDED
	299	/* This used to be a conditional around just the two extra args,
	300	but that might be undefined if yyoverflow is a macro. */
10fa2066 RS	301	yyoverflow("parser stack overflow",
	302	&yyss1, size * sizeof (*yyssp),
	303	&yyvs1, size * sizeof (*yyvsp),
10fa2066	304	&yyls1, size * sizeof (*yylsp),
10fa2066	305	&yystacksize);
be4bf877 RS	306	#else
	307	yyoverflow("parser stack overflow",
	308	&yyss1, size * sizeof (*yyssp),
	309	&yyvs1, size * sizeof (*yyvsp),
	310	&yystacksize);
	311	#endif
10fa2066 RS	312
	313	yyss = yyss1; yyvs = yyvs1;
	314	#ifdef YYLSP_NEEDED
	315	yyls = yyls1;
	316	#endif
	317	#else /* no yyoverflow */
	318	/* Extend the stack our own way. */
	319	if (yystacksize >= YYMAXDEPTH)
	320	{
	321	yyerror("parser stack overflow");
	322	return 2;
	323	}
	324	yystacksize *= 2;
	325	if (yystacksize > YYMAXDEPTH)
	326	yystacksize = YYMAXDEPTH;
	327	yyss = (short ) alloca (yystacksize sizeof (*yyssp));
ba39f603	328	__yy_memcpy ((char )yyss1, (char )yyss, size * sizeof (*yyssp));
10fa2066	329	yyvs = (YYSTYPE ) alloca (yystacksize sizeof (*yyvsp));
ba39f603	330	__yy_memcpy ((char )yyvs1, (char )yyvs, size * sizeof (*yyvsp));
10fa2066 RS	331	#ifdef YYLSP_NEEDED
10fa2066 RS	332	yyls = (YYLTYPE ) alloca (yystacksize sizeof (*yylsp));
ba39f603	333	__yy_memcpy ((char )yyls1, (char )yyls, size * sizeof (*yylsp));
10fa2066 RS	334	#endif
	335	#endif /* no yyoverflow */
	336
	337	yyssp = yyss + size - 1;
	338	yyvsp = yyvs + size - 1;
	339	#ifdef YYLSP_NEEDED
	340	yylsp = yyls + size - 1;
	341	#endif
	342
	343	#if YYDEBUG != 0
	344	if (yydebug)
	345	fprintf(stderr, "Stack size increased to %d\n", yystacksize);
	346	#endif
	347
	348	if (yyssp >= yyss + yystacksize - 1)
	349	YYABORT;
	350	}
	351
	352	#if YYDEBUG != 0
	353	if (yydebug)
	354	fprintf(stderr, "Entering state %d\n", yystate);
	355	#endif
	356
	357	goto yybackup;
	358	yybackup:
	359
	360	/* Do appropriate processing given the current state. */
	361	/* Read a lookahead token if we need one and don't already have one. */
	362	/* yyresume: */
	363
	364	/* First try to decide what to do without reference to lookahead token. */
	365
	366	yyn = yypact[yystate];
	367	if (yyn == YYFLAG)
	368	goto yydefault;
	369
	370	/* Not known => get a lookahead token if don't already have one. */
	371
	372	/* yychar is either YYEMPTY or YYEOF
	373	or a valid token in external form. */
	374
	375	if (yychar == YYEMPTY)
	376	{
	377	#if YYDEBUG != 0
	378	if (yydebug)
	379	fprintf(stderr, "Reading a token: ");
	380	#endif
	381	yychar = YYLEX;
	382	}
	383
	384	/* Convert token to internal form (in yychar1) for indexing tables with */
	385
	386	if (yychar <= 0) /* This means end of input. */
	387	{
	388	yychar1 = 0;
	389	yychar = YYEOF; /* Don't call YYLEX any more */
	390
	391	#if YYDEBUG != 0
	392	if (yydebug)
	393	fprintf(stderr, "Now at end of input.\n");
	394	#endif
	395	}
	396	else
	397	{
398	yychar1 = YYTRANSLATE(yychar);
399
400	#if YYDEBUG != 0
401	if (yydebug)
402	{
403	fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
404	/* Give the individual parser a way to print the precise meaning
405	of a token, for further debugging info. */
406	#ifdef YYPRINT
407	YYPRINT (stderr, yychar, yylval);
408	#endif
409	fprintf (stderr, ")\n");
410	}
411	#endif
412	}
413
414	yyn += yychar1;
415	if (yyn < 0 \|\| yyn > YYLAST \|\| yycheck[yyn] != yychar1)
416	goto yydefault;
417
418	yyn = yytable[yyn];
419
420	/* yyn is what to do for this token type in this state.
421	Negative => reduce, -yyn is rule number.
422	Positive => shift, yyn is new state.
423	New state is final state => don't bother to shift,
424	just return success.
425	0, or most negative number => error. */
426
427	if (yyn < 0)
428	{
429	if (yyn == YYFLAG)
430	goto yyerrlab;
431	yyn = -yyn;
432	goto yyreduce;
433	}
434	else if (yyn == 0)
435	goto yyerrlab;
436
437	if (yyn == YYFINAL)
438	YYACCEPT;
439
440	/* Shift the lookahead token. */
441
442	#if YYDEBUG != 0
443	if (yydebug)
444	fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
445	#endif
446
447	/* Discard the token being shifted unless it is eof. */
448	if (yychar != YYEOF)
449	yychar = YYEMPTY;
450
451	*++yyvsp = yylval;
452	#ifdef YYLSP_NEEDED
453	*++yylsp = yylloc;
454	#endif
455
456	/* count tokens shifted since error; after three, turn off error status. */
457	if (yyerrstatus) yyerrstatus--;
458
459	yystate = yyn;
460	goto yynewstate;
461
462	/* Do the default action for the current state. */
463	yydefault:
464
465	yyn = yydefact[yystate];
466	if (yyn == 0)
467	goto yyerrlab;
468
469	/* Do a reduction. yyn is the number of a rule to reduce with. */
470	yyreduce:
471	yylen = yyr2[yyn];
fb75fa82 RS	472	if (yylen > 0)
fb75fa82 RS	473	yyval = yyvsp[1-yylen]; /* implement default value of the action */
10fa2066 RS	474
	475	#if YYDEBUG != 0
	476	if (yydebug)
	477	{
	478	int i;
	479
	480	fprintf (stderr, "Reducing via rule %d (line %d), ",
	481	yyn, yyrline[yyn]);
	482
	483	/* Print the symbols being reduced, and their result. */
	484	for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
	485	fprintf (stderr, "%s ", yytname[yyrhs[i]]);
	486	fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
	487	}
	488	#endif
	489
	490	$ /* the action file gets copied in in place of this dollarsign */
cc90caac	491	#line 487 "bison.simple"
10fa2066 RS	492	\f
	493	yyvsp -= yylen;
	494	yyssp -= yylen;
	495	#ifdef YYLSP_NEEDED
	496	yylsp -= yylen;
	497	#endif
	498
	499	#if YYDEBUG != 0
	500	if (yydebug)
	501	{
	502	short *ssp1 = yyss - 1;
	503	fprintf (stderr, "state stack now");
	504	while (ssp1 != yyssp)
	505	fprintf (stderr, " %d", *++ssp1);
	506	fprintf (stderr, "\n");
	507	}
	508	#endif
	509
	510	*++yyvsp = yyval;
	511
	512	#ifdef YYLSP_NEEDED
	513	yylsp++;
	514	if (yylen == 0)
	515	{
	516	yylsp->first_line = yylloc.first_line;
	517	yylsp->first_column = yylloc.first_column;
	518	yylsp->last_line = (yylsp-1)->last_line;
	519	yylsp->last_column = (yylsp-1)->last_column;
	520	yylsp->text = 0;
	521	}
	522	else
	523	{
	524	yylsp->last_line = (yylsp+yylen-1)->last_line;
	525	yylsp->last_column = (yylsp+yylen-1)->last_column;
	526	}
	527	#endif
	528
	529	/* Now "shift" the result of the reduction.
	530	Determine what state that goes to,
	531	based on the state we popped back to
	532	and the rule number reduced by. */
	533
	534	yyn = yyr1[yyn];
	535
	536	yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
	537	if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
	538	yystate = yytable[yystate];
	539	else
	540	yystate = yydefgoto[yyn - YYNTBASE];
	541
	542	goto yynewstate;
	543
	544	yyerrlab: /* here on detecting error */
	545
	546	if (! yyerrstatus)
	547	/* If not already recovering from an error, report this error. */
	548	{
	549	++yynerrs;
	550
	551	#ifdef YYERROR_VERBOSE
	552	yyn = yypact[yystate];
	553
	554	if (yyn > YYFLAG && yyn < YYLAST)
	555	{
556	int size = 0;
557	char *msg;
558	int x, count;
559
560	count = 0;
561	/* Start X at -yyn if nec to avoid negative indexes in yycheck. */
562	for (x = (yyn < 0 ? -yyn : 0);
563	x < (sizeof(yytname) / sizeof(char *)); x++)
564	if (yycheck[x + yyn] == x)
565	size += strlen(yytname[x]) + 15, count++;
566	msg = (char *) malloc(size + 15);
567	if (msg != 0)
568	{
569	strcpy(msg, "parse error");
570
571	if (count < 5)
572	{
573	count = 0;
574	for (x = (yyn < 0 ? -yyn : 0);
575	x < (sizeof(yytname) / sizeof(char *)); x++)
576	if (yycheck[x + yyn] == x)
577	{
578	strcat(msg, count == 0 ? ", expecting `" : " or `");
579	strcat(msg, yytname[x]);
580	strcat(msg, "'");
581	count++;
582	}
583	}
584	yyerror(msg);
585	free(msg);
586	}
587	else
588	yyerror ("parse error; also virtual memory exceeded");
589	}
590	else
591	#endif /* YYERROR_VERBOSE */
592	yyerror("parse error");
593	}
594
595	goto yyerrlab1;
596	yyerrlab1: /* here on error raised explicitly by an action */
597
598	if (yyerrstatus == 3)
599	{
600	/* if just tried and failed to reuse lookahead token after an error, discard it. */
601
602	/* return failure if at end of input */
603	if (yychar == YYEOF)
604	YYABORT;
605
606	#if YYDEBUG != 0
607	if (yydebug)
608	fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
609	#endif
610
611	yychar = YYEMPTY;
612	}
613
614	/* Else will try to reuse lookahead token
615	after shifting the error token. */
616
617	yyerrstatus = 3; /* Each real token shifted decrements this */
618
619	goto yyerrhandle;
620
621	yyerrdefault: /* current state does not do anything special for the error token. */
622
623	#if 0
624	/* This is wrong; only states that explicitly want error tokens
625	should shift them. */
626	yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
627	if (yyn) goto yydefault;
628	#endif
629
630	yyerrpop: /* pop the current state because it cannot handle the error token */
631
632	if (yyssp == yyss) YYABORT;
633	yyvsp--;
634	yystate = *--yyssp;
635	#ifdef YYLSP_NEEDED
636	yylsp--;
637	#endif
638
639	#if YYDEBUG != 0
640	if (yydebug)
641	{
642	short *ssp1 = yyss - 1;
643	fprintf (stderr, "Error: state stack now");
644	while (ssp1 != yyssp)
645	fprintf (stderr, " %d", *++ssp1);
646	fprintf (stderr, "\n");
647	}
648	#endif
649
650	yyerrhandle:
651
652	yyn = yypact[yystate];
653	if (yyn == YYFLAG)
654	goto yyerrdefault;
655
656	yyn += YYTERROR;
657	if (yyn < 0 \|\| yyn > YYLAST \|\| yycheck[yyn] != YYTERROR)
658	goto yyerrdefault;
659
660	yyn = yytable[yyn];
661	if (yyn < 0)
662	{
663	if (yyn == YYFLAG)
664	goto yyerrpop;
665	yyn = -yyn;
666	goto yyreduce;
667	}
668	else if (yyn == 0)
669	goto yyerrpop;
670
671	if (yyn == YYFINAL)
672	YYACCEPT;
673
674	#if YYDEBUG != 0
675	if (yydebug)
676	fprintf(stderr, "Shifting error token, ");
677	#endif
678
679	*++yyvsp = yylval;
680	#ifdef YYLSP_NEEDED
681	*++yylsp = yylloc;
682	#endif
683
684	yystate = yyn;
685	goto yynewstate;
686	}