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parse.c
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1995-04-12
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1,787 lines
/* A Bison parser, made from parse.y
with Bison version GNU/Andrew Bison version A2.2
*/
#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
/*-
* 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: /home/daffy/u0/vern/flex/RCS/parse.y,v 2.26 95/03/05 20:37:32 vern Exp $ */
/* 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. */
#ifdef __GNUC__
#define alloca __builtin_alloca
#else /* not __GNUC__ */
#if HAVE_ALLOCA_H
#include <alloca.h>
#else /* not HAVE_ALLOCA_H */
#ifdef _AIX
#pragma alloca
#else /* not _AIX */
#ifdef __hpux
void *alloca ();
#else /* not __hpux */
#ifdef __TURBOC__
#include <malloc.h>
#else
char *alloca ();
#endif /* not __TURBOC__ */
#endif /* not __hpux */
#endif /* not _AIX */
#endif /* not HAVE_ALLOCA_H */
#endif /* not __GNUC__ */
#endif /* YYBISON */
/* Bletch, ^^^^ that was ugly! */
#include "flexdef.h"
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,
105, 134, 142, 143, 144, 145, 149, 157, 160, 164,
167, 170, 174, 177, 178, 181, 186, 188, 192, 194,
196, 199, 212, 248, 272, 295, 299, 303, 306, 323,
327, 329, 331, 335, 358, 413, 416, 459, 477, 483,
488, 515, 523, 527, 534, 540, 546, 574, 588, 607,
629, 647, 654, 657, 660, 671, 674, 681, 709, 720,
727, 735, 736, 737, 738, 739, 740, 741, 742, 743,
744, 745, 751, 754, 764
};
#endif
#if YYDEBUG != 0
static const char * const yytname[] = { "$","error","$illegal.","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. */
/* Skeleton output parser for bison,
Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
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 1, 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. */
#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
#define YYLEX yylex(&yylval, &yylloc)
#else
#define YYLEX yylex(&yylval)
#endif
#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_bcopy(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_bcopy (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_bcopy (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
int
yyparse()
{
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_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
__yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
#ifdef YYLSP_NEEDED
yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
__yy_bcopy ((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
switch (yyn) {
case 1:
{ /* 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:
{ /* initialize for processing rules */
/* Create default DFA start condition. */
scinstal( "INITIAL", false );
;
break;}
case 6:
{ synerr( "unknown error processing section 1" ); ;
break;}
case 7:
{
check_options();
scon_stk = allocate_integer_array( lastsc + 1 );
scon_stk_ptr = 0;
;
break;}
case 8:
{ xcluflg = false; ;
break;}
case 9:
{ xcluflg = true; ;
break;}
case 10:
{ scinstal( nmstr, xcluflg ); ;
break;}
case 11:
{ scinstal( nmstr, xcluflg ); ;
break;}
case 12:
{ synerr( "bad start condition list" ); ;
break;}
case 16:
{
outfilename = copy_string( nmstr );
did_outfilename = 1;
;
break;}
case 17:
{ prefix = copy_string( nmstr ); ;
break;}
case 18:
{ yyclass = copy_string( nmstr ); ;
break;}
case 19:
{ scon_stk_ptr = yyvsp[-3]; ;
break;}
case 20:
{ scon_stk_ptr = yyvsp[-3]; ;
break;}
case 22:
{
/* 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:
{
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:
{
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:
{
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:
{ synerr( "unrecognized rule" ); ;
break;}
case 27:
{ yyval = scon_stk_ptr; ;
break;}
case 28:
{ yyval = yyvsp[-2]; ;
break;}
case 29:
{
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:
{ yyval = scon_stk_ptr; ;
break;}
case 33:
{ synerr( "bad start condition list" ); ;
break;}
case 34:
{
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:
{
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:
{ synerr( "trailing context used twice" ); ;
break;}
case 37:
{
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:
{
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:
{
varlength = true;
yyval = mkor( yyvsp[-2], yyvsp[0] );
;
break;}
case 40:
{ yyval = yyvsp[0]; ;
break;}
case 41:
{
/* 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:
{
/* This is where concatenation of adjacent patterns
* gets done.
*/
yyval = link_machines( yyvsp[-1], yyvsp[0] );
;
break;}
case 43:
{ yyval = yyvsp[0]; ;
break;}
case 44:
{
varlength = true;
yyval = mkclos( yyvsp[-1] );
;
break;}
case 45:
{
varlength = true;
yyval = mkposcl( yyvsp[-1] );
;
break;}
case 46:
{
varlength = true;
yyval = mkopt( yyvsp[-1] );
;
break;}
case 47:
{
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:
{
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:
{
/* 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:
{
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:
{
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:
{
++rulelen;
yyval = mkstate( -yyvsp[0] );
;
break;}
case 53:
{ yyval = yyvsp[-1]; ;
break;}
case 54:
{ yyval = yyvsp[-1]; ;
break;}
case 55:
{
++rulelen;
if ( caseins && yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
yyvsp[0] = clower( yyvsp[0] );
yyval = mkstate( yyvsp[0] );
;
break;}
case 56:
{ yyval = yyvsp[-1]; ;
break;}
case 57:
{
cclnegate( yyvsp[-1] );
yyval = yyvsp[-1];
;
break;}
case 58:
{
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:
{
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:
{
/* Too hard to properly maintain cclsorted. */
cclsorted = false;
yyval = yyvsp[-1];
;
break;}
case 61:
{
cclsorted = true;
lastchar = 0;
currccl = yyval = cclinit();
;
break;}
case 62:
{ CCL_EXPR(isalnum) ;
break;}
case 63:
{ CCL_EXPR(isalpha) ;
break;}
case 64:
{ CCL_EXPR(IS_BLANK) ;
break;}
case 65:
{ CCL_EXPR(iscntrl) ;
break;}
case 66:
{ CCL_EXPR(isdigit) ;
break;}
case 67:
{ CCL_EXPR(isgraph) ;
break;}
case 68:
{ CCL_EXPR(islower) ;
break;}
case 69:
{ CCL_EXPR(isprint) ;
break;}
case 70:
{ CCL_EXPR(ispunct) ;
break;}
case 71:
{ CCL_EXPR(isspace) ;
break;}
case 72:
{
if ( caseins )
CCL_EXPR(islower)
else
CCL_EXPR(isupper)
;
break;}
case 73:
{ CCL_EXPR(isxdigit) ;
break;}
case 74:
{
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:
{ yyval = mkstate( SYM_EPSILON ); ;
break;}
}
/* the action file gets copied in in place of this dollarsign */
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;
}
/* 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 );
}
/* line_warning - report a warning at a given line, unless -w was given */
void line_warning( str, line )
char str[];
int line;
{
char warning[MAXLINE];
if ( ! nowarn )
{
sprintf( warning, "warning, %s", str );
line_pinpoint( warning, line );
}
}
/* line_pinpoint - write out a message, pinpointing it at the given line */
void line_pinpoint( str, line )
char str[];
int line;
{
fprintf( stderr, "\"%s\", line %d: %s\n", infilename, line, str );
}
/* yyerror - eat up an error message from the parser;
* currently, messages are ignore
*/
void yyerror( msg )
char msg[];
{
}