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-
- /* A Bison parser, made from Src/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
-
-
- /*-
- * 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 2.28 95/04/21 11:51:51 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. 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
- void *alloca (unsigned int);
- # 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. */
-
-
- /* 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 AMIGA
- void *alloca (unsigned int);
- #endif
- #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. */
- #if defined (__GNUC__) || defined AMIGA
- int yyparse (void);
- #endif
-
- #if (__GNUC__ > 1) || defined (AMIGA) /* 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
-
-
-
- /* 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:
- { /* 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[];
- {
- }
-