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-
- /* A Bison parser, made from parse.y with Bison version GNU Bison version 1.21
- */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define CHAR 258
- #define NUMBER 259
- #define SECTEND 260
- #define SCDECL 261
- #define XSCDECL 262
- #define WHITESPACE 263
- #define NAME 264
- #define PREVCCL 265
- #define EOF_OP 266
-
- #line 6 "parse.y"
-
- /*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Vern Paxson.
- *
- * The United States Government has rights in this work pursuant
- * to contract no. DE-AC03-76SF00098 between the United States
- * Department of Energy and the University of California.
- *
- * Redistribution and use in source and binary forms are permitted provided
- * that: (1) source distributions retain this entire copyright notice and
- * comment, and (2) distributions including binaries display the following
- * acknowledgement: ``This product includes software developed by the
- * University of California, Berkeley and its contributors'' in the
- * documentation or other materials provided with the distribution and in
- * all advertising materials mentioning features or use of this software.
- * Neither the name of the University nor the names of its contributors may
- * be used to endorse or promote products derived from this software without
- * specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
- #ifndef lint
- static char rcsid[] =
- "@(#) $Header: /usr/fsys/odin/a/vern/flex/RCS/parse.y,v 2.7 90/06/27 23:48:31 vern Exp $ (LBL)";
- #endif
-
- #include "flexdef.h"
-
- int pat, scnum, eps, headcnt, trailcnt, anyccl, lastchar, i, actvp, rulelen;
- int trlcontxt, xcluflg, cclsorted, varlength, variable_trail_rule;
- Char clower();
- void build_eof_action();
- void yyerror();
-
- static int madeany = false; /* whether we've made the '.' character class */
- int previous_continued_action; /* whether the previous rule's action was '|' */
-
-
- #ifndef YYLTYPE
- typedef
- struct yyltype
- {
- int timestamp;
- int first_line;
- int first_column;
- int last_line;
- int last_column;
- char *text;
- }
- yyltype;
-
- #define YYLTYPE yyltype
- #endif
-
- #ifndef YYSTYPE
- #define YYSTYPE int
- #endif
- #include <stdio.h>
-
- #ifndef __cplusplus
- #ifndef __STDC__
- #define const
- #endif
- #endif
-
-
-
- #define YYFINAL 81
- #define YYFLAG -32768
- #define YYNTBASE 32
-
- #define YYTRANSLATE(x) ((unsigned)(x) <= 266 ? yytranslate[x] : 51)
-
- static const char yytranslate[] = { 0,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 12,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 26, 2, 17, 2, 2, 2, 27,
- 28, 20, 21, 16, 31, 25, 19, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 14,
- 2, 15, 22, 2, 2, 2, 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, 2, 30, 13, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 23, 18, 24, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 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
- };
-
- #if YYDEBUG != 0
- static const short yyprhs[] = { 0,
- 0, 6, 7, 13, 14, 17, 19, 21, 23, 27,
- 29, 31, 36, 37, 38, 42, 45, 48, 50, 53,
- 55, 57, 61, 65, 67, 69, 72, 76, 79, 81,
- 85, 87, 90, 93, 95, 98, 101, 104, 111, 117,
- 122, 124, 126, 128, 132, 136, 138, 142, 147, 152,
- 155, 156, 159
- };
-
- static const short yyrhs[] = { 33,
- 34, 35, 38, 39, 0, 0, 34, 36, 8, 37,
- 12, 0, 0, 1, 12, 0, 5, 0, 6, 0,
- 7, 0, 37, 8, 9, 0, 9, 0, 1, 0,
- 38, 39, 40, 12, 0, 0, 0, 41, 13, 43,
- 0, 41, 43, 0, 13, 43, 0, 43, 0, 41,
- 11, 0, 11, 0, 1, 0, 14, 42, 15, 0,
- 42, 16, 9, 0, 9, 0, 1, 0, 45, 44,
- 0, 45, 44, 17, 0, 44, 17, 0, 44, 0,
- 44, 18, 46, 0, 46, 0, 44, 19, 0, 46,
- 47, 0, 47, 0, 47, 20, 0, 47, 21, 0,
- 47, 22, 0, 47, 23, 4, 16, 4, 24, 0,
- 47, 23, 4, 16, 24, 0, 47, 23, 4, 24,
- 0, 25, 0, 48, 0, 10, 0, 26, 50, 26,
- 0, 27, 44, 28, 0, 3, 0, 29, 49, 30,
- 0, 29, 13, 49, 30, 0, 49, 3, 31, 3,
- 0, 49, 3, 0, 0, 50, 3, 0, 0
- };
-
- #endif
-
- #if YYDEBUG != 0
- static const short yyrline[] = { 0,
- 52, 76, 85, 86, 87, 91, 94, 104, 108, 111,
- 114, 118, 119, 122, 133, 153, 164, 188, 199, 202,
- 221, 225, 228, 238, 247, 251, 308, 311, 363, 379,
- 385, 390, 415, 423, 427, 434, 441, 448, 474, 488,
- 506, 528, 545, 552, 555, 558, 569, 572, 586, 614,
- 626, 634, 645
- };
-
- static const char * const yytname[] = { "$","error","$illegal.","CHAR","NUMBER",
- "SECTEND","SCDECL","XSCDECL","WHITESPACE","NAME","PREVCCL","EOF_OP","'\\n'",
- "'^'","'<'","'>'","','","'$'","'|'","'/'","'*'","'+'","'?'","'{'","'}'","'.'",
- "'\"'","'('","')'","'['","']'","'-'","goal","initlex","sect1","sect1end","startconddecl",
- "namelist1","sect2","initforrule","flexrule","scon","namelist2","rule","re",
- "re2","series","singleton","fullccl","ccl","string",""
- };
- #endif
-
- static const short yyr1[] = { 0,
- 32, 33, 34, 34, 34, 35, 36, 36, 37, 37,
- 37, 38, 38, 39, 40, 40, 40, 40, 40, 40,
- 40, 41, 42, 42, 42, 43, 43, 43, 43, 44,
- 44, 45, 46, 46, 47, 47, 47, 47, 47, 47,
- 47, 47, 47, 47, 47, 47, 48, 48, 49, 49,
- 49, 50, 50
- };
-
- static const short yyr2[] = { 0,
- 5, 0, 5, 0, 2, 1, 1, 1, 3, 1,
- 1, 4, 0, 0, 3, 2, 2, 1, 2, 1,
- 1, 3, 3, 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,
- 0, 2, 0
- };
-
- static const short yydefact[] = { 2,
- 0, 0, 0, 5, 6, 7, 8, 13, 0, 14,
- 0, 0, 11, 10, 0, 21, 46, 43, 20, 0,
- 0, 41, 53, 0, 51, 0, 0, 18, 29, 0,
- 31, 34, 42, 0, 3, 17, 25, 24, 0, 0,
- 0, 51, 0, 12, 19, 0, 16, 28, 0, 32,
- 26, 33, 35, 36, 37, 0, 9, 22, 0, 52,
- 44, 45, 0, 50, 47, 15, 30, 27, 0, 23,
- 48, 0, 0, 40, 49, 0, 39, 38, 0, 0,
- 0
- };
-
- static const short yydefgoto[] = { 79,
- 1, 3, 8, 9, 15, 10, 12, 26, 27, 39,
- 28, 29, 30, 31, 32, 33, 43, 40
- };
-
- static const short yypact[] = {-32768,
- 55, -2, 63,-32768,-32768,-32768,-32768,-32768, 16,-32768,
- 12, 1,-32768,-32768, 51,-32768,-32768,-32768,-32768, 19,
- 33,-32768,-32768, 19, -6, 8, 28,-32768, 54, 19,
- 19, 44,-32768, 38,-32768,-32768,-32768,-32768, 34, 14,
- -10,-32768, 2,-32768,-32768, 19,-32768,-32768, 19,-32768,
- 57, 44,-32768,-32768,-32768, 48,-32768,-32768, 49,-32768,
- -32768,-32768, 3, 6,-32768,-32768, 19,-32768, 27,-32768,
- -32768, 73, -1,-32768,-32768, 53,-32768,-32768, 78, 79,
- -32768
- };
-
- static const short yypgoto[] = {-32768,
- -32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
- -11, -5,-32768, 31, -31,-32768, 39,-32768
- };
-
-
- #define YYLAST 81
-
-
- static const short yytable[] = { 52,
- -1, 16, 76, 17, 64, 64, 42, 49, 36, 4,
- 18, 19, 13, 20, 21, 47, 60, 62, 41, 44,
- 14, 17, 77, 11, 51, 22, 23, 24, 18, 25,
- 17, 65, 71, 37, 66, 52, 72, 18, 45, 61,
- 46, 38, 73, 22, 23, 24, 57, 25, 58, 59,
- 74, 69, 22, 23, 24, 2, 25, 70, 34, -4,
- -4, -4, 35, 53, 54, 55, 56, 5, 6, 7,
- 48, 49, 50, 68, 49, 75, 78, 80, 81, 67,
- 63
- };
-
- static const short yycheck[] = { 31,
- 0, 1, 4, 3, 3, 3, 13, 18, 20, 12,
- 10, 11, 1, 13, 14, 27, 3, 28, 24, 12,
- 9, 3, 24, 8, 30, 25, 26, 27, 10, 29,
- 3, 30, 30, 1, 46, 67, 31, 10, 11, 26,
- 13, 9, 16, 25, 26, 27, 9, 29, 15, 16,
- 24, 4, 25, 26, 27, 1, 29, 9, 8, 5,
- 6, 7, 12, 20, 21, 22, 23, 5, 6, 7,
- 17, 18, 19, 17, 18, 3, 24, 0, 0, 49,
- 42
- };
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "bison.simple"
-
- /* 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__)
- #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
- #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
-
- #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
-
- #line 169 "bison.simple"
- 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; /* 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--, yysp--, yylsp--)
- #else
- #define YYPOPSTACK (yyvsp--, yysp--)
- #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. */
-
- 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. */
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- #ifdef YYLSP_NEEDED
- &yyls1, size * sizeof (*yylsp),
- #endif
- &yystacksize);
-
- 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
-
- 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];
- 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 symboles being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
-
- switch (yyn) {
-
- case 1:
- #line 53 "parse.y"
- { /* add default rule */
- int def_rule;
-
- pat = cclinit();
- cclnegate( pat );
-
- def_rule = mkstate( -pat );
-
- finish_rule( def_rule, false, 0, 0 );
-
- for ( i = 1; i <= lastsc; ++i )
- scset[i] = mkbranch( scset[i], def_rule );
-
- if ( spprdflt )
- fputs( "YY_FATAL_ERROR( \"flex scanner jammed\" )",
- temp_action_file );
- else
- fputs( "ECHO", temp_action_file );
-
- fputs( ";\n\tYY_BREAK\n", temp_action_file );
- ;
- break;}
- case 2:
- #line 77 "parse.y"
- {
- /* initialize for processing rules */
-
- /* create default DFA start condition */
- scinstal( "INITIAL", false );
- ;
- break;}
- case 5:
- #line 88 "parse.y"
- { synerr( "unknown error processing section 1" ); ;
- break;}
- case 7:
- #line 95 "parse.y"
- {
- /* these productions are separate from the s1object
- * rule because the semantics must be done before
- * we parse the remainder of an s1object
- */
-
- xcluflg = false;
- ;
- break;}
- case 8:
- #line 105 "parse.y"
- { xcluflg = true; ;
- break;}
- case 9:
- #line 109 "parse.y"
- { scinstal( nmstr, xcluflg ); ;
- break;}
- case 10:
- #line 112 "parse.y"
- { scinstal( nmstr, xcluflg ); ;
- break;}
- case 11:
- #line 115 "parse.y"
- { synerr( "bad start condition list" ); ;
- break;}
- case 14:
- #line 123 "parse.y"
- {
- /* initialize for a parse of one rule */
- trlcontxt = variable_trail_rule = varlength = false;
- trailcnt = headcnt = rulelen = 0;
- current_state_type = STATE_NORMAL;
- previous_continued_action = continued_action;
- new_rule();
- ;
- break;}
- case 15:
- #line 134 "parse.y"
- {
- pat = yyvsp[0];
- finish_rule( pat, variable_trail_rule,
- headcnt, trailcnt );
-
- for ( i = 1; i <= actvp; ++i )
- scbol[actvsc[i]] =
- mkbranch( scbol[actvsc[i]], pat );
-
- if ( ! bol_needed )
- {
- bol_needed = true;
-
- if ( performance_report )
- pinpoint_message(
- "'^' operator results in sub-optimal performance" );
- }
- ;
- break;}
- case 16:
- #line 154 "parse.y"
- {
- pat = yyvsp[0];
- finish_rule( pat, variable_trail_rule,
- headcnt, trailcnt );
-
- for ( i = 1; i <= actvp; ++i )
- scset[actvsc[i]] =
- mkbranch( scset[actvsc[i]], pat );
- ;
- break;}
- case 17:
- #line 165 "parse.y"
- {
- pat = yyvsp[0];
- finish_rule( pat, variable_trail_rule,
- headcnt, trailcnt );
-
- /* 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 )
- pinpoint_message(
- "'^' operator results in sub-optimal performance" );
- }
- ;
- break;}
- case 18:
- #line 189 "parse.y"
- {
- pat = yyvsp[0];
- finish_rule( pat, variable_trail_rule,
- headcnt, trailcnt );
-
- for ( i = 1; i <= lastsc; ++i )
- if ( ! scxclu[i] )
- scset[i] = mkbranch( scset[i], pat );
- ;
- break;}
- case 19:
- #line 200 "parse.y"
- { build_eof_action(); ;
- break;}
- case 20:
- #line 203 "parse.y"
- {
- /* this EOF applies to all start conditions
- * which don't already have EOF actions
- */
- actvp = 0;
-
- for ( i = 1; i <= lastsc; ++i )
- if ( ! sceof[i] )
- actvsc[++actvp] = i;
-
- if ( actvp == 0 )
- pinpoint_message(
- "warning - all start conditions already have <<EOF>> rules" );
-
- else
- build_eof_action();
- ;
- break;}
- case 21:
- #line 222 "parse.y"
- { synerr( "unrecognized rule" ); ;
- break;}
- case 23:
- #line 229 "parse.y"
- {
- if ( (scnum = sclookup( nmstr )) == 0 )
- format_pinpoint_message(
- "undeclared start condition %s", nmstr );
-
- else
- actvsc[++actvp] = scnum;
- ;
- break;}
- case 24:
- #line 239 "parse.y"
- {
- if ( (scnum = sclookup( nmstr )) == 0 )
- format_pinpoint_message(
- "undeclared start condition %s", nmstr );
- else
- actvsc[actvp = 1] = scnum;
- ;
- break;}
- case 25:
- #line 248 "parse.y"
- { synerr( "bad start condition list" ); ;
- break;}
- case 26:
- #line 252 "parse.y"
- {
- if ( transchar[lastst[yyvsp[0]]] != SYM_EPSILON )
- /* provide final transition \now/ so it
- * will be marked as a trailing context
- * state
- */
- yyvsp[0] = link_machines( yyvsp[0], mkstate( SYM_EPSILON ) );
-
- mark_beginning_as_normal( yyvsp[0] );
- current_state_type = STATE_NORMAL;
-
- if ( previous_continued_action )
- {
- /* we need to treat this as variable trailing
- * context so that the backup does not happen
- * in the action but before the action switch
- * statement. If the backup happens in the
- * action, then the rules "falling into" this
- * one's action will *also* do the backup,
- * erroneously.
- */
- if ( ! varlength || headcnt != 0 )
- {
- fprintf( stderr,
- "%s: warning - trailing context rule at line %d made variable because\n",
- program_name, linenum );
- fprintf( stderr,
- " of preceding '|' action\n" );
- }
-
- /* mark as variable */
- varlength = true;
- headcnt = 0;
- }
-
- if ( 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 27:
- #line 309 "parse.y"
- { synerr( "trailing context used twice" ); ;
- break;}
- case 28:
- #line 312 "parse.y"
- {
- 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
- */
- if ( ! varlength || headcnt != 0 )
- {
- fprintf( stderr,
- "%s: warning - trailing context rule at line %d made variable because\n",
- program_name, linenum );
- fprintf( stderr,
- " of preceding '|' action\n" );
- }
-
- /* mark as variable */
- varlength = true;
- headcnt = 0;
- }
-
- if ( varlength && headcnt == 0 )
- {
- /* 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;
- }
-
- else
- {
- if ( ! varlength )
- headcnt = rulelen;
-
- ++rulelen;
- trailcnt = 1;
- }
-
- trlcontxt = true;
-
- eps = mkstate( SYM_EPSILON );
- yyval = link_machines( yyvsp[-1],
- link_machines( eps, mkstate( '\n' ) ) );
- ;
- break;}
- case 29:
- #line 364 "parse.y"
- {
- yyval = yyvsp[0];
-
- if ( trlcontxt )
- {
- if ( varlength && headcnt == 0 )
- /* both head and trail are variable-length */
- variable_trail_rule = true;
- else
- trailcnt = rulelen;
- }
- ;
- break;}
- case 30:
- #line 380 "parse.y"
- {
- varlength = true;
- yyval = mkor( yyvsp[-2], yyvsp[0] );
- ;
- break;}
- case 31:
- #line 386 "parse.y"
- { yyval = yyvsp[0]; ;
- break;}
- case 32:
- #line 391 "parse.y"
- {
- /* this rule is written separately so
- * the reduction will occur before the trailing
- * series is parsed
- */
-
- if ( trlcontxt )
- synerr( "trailing context used twice" );
- else
- trlcontxt = true;
-
- if ( varlength )
- /* we hope the trailing context is fixed-length */
- varlength = false;
- else
- headcnt = rulelen;
-
- rulelen = 0;
-
- current_state_type = STATE_TRAILING_CONTEXT;
- yyval = yyvsp[-1];
- ;
- break;}
- case 33:
- #line 416 "parse.y"
- {
- /* this is where concatenation of adjacent patterns
- * gets done
- */
- yyval = link_machines( yyvsp[-1], yyvsp[0] );
- ;
- break;}
- case 34:
- #line 424 "parse.y"
- { yyval = yyvsp[0]; ;
- break;}
- case 35:
- #line 428 "parse.y"
- {
- varlength = true;
-
- yyval = mkclos( yyvsp[-1] );
- ;
- break;}
- case 36:
- #line 435 "parse.y"
- {
- varlength = true;
-
- yyval = mkposcl( yyvsp[-1] );
- ;
- break;}
- case 37:
- #line 442 "parse.y"
- {
- varlength = true;
-
- yyval = mkopt( yyvsp[-1] );
- ;
- break;}
- case 38:
- #line 449 "parse.y"
- {
- varlength = true;
-
- if ( yyvsp[-3] > yyvsp[-1] || yyvsp[-3] < 0 )
- {
- synerr( "bad iteration values" );
- yyval = yyvsp[-5];
- }
- else
- {
- if ( yyvsp[-3] == 0 )
- {
- if ( yyvsp[-1] <= 0 )
- {
- synerr( "bad iteration values" );
- yyval = yyvsp[-5];
- }
- else
- yyval = mkopt( mkrep( yyvsp[-5], 1, yyvsp[-1] ) );
- }
- else
- yyval = mkrep( yyvsp[-5], yyvsp[-3], yyvsp[-1] );
- }
- ;
- break;}
- case 39:
- #line 475 "parse.y"
- {
- varlength = true;
-
- if ( yyvsp[-2] <= 0 )
- {
- synerr( "iteration value must be positive" );
- yyval = yyvsp[-4];
- }
-
- else
- yyval = mkrep( yyvsp[-4], yyvsp[-2], INFINITY );
- ;
- break;}
- case 40:
- #line 489 "parse.y"
- {
- /* the singleton could be something like "(foo)",
- * in which case we have no idea what its length
- * is, so we punt here.
- */
- varlength = true;
-
- if ( yyvsp[-1] <= 0 )
- {
- synerr( "iteration value must be positive" );
- yyval = yyvsp[-3];
- }
-
- else
- yyval = link_machines( yyvsp[-3], copysingl( yyvsp[-3], yyvsp[-1] - 1 ) );
- ;
- break;}
- case 41:
- #line 507 "parse.y"
- {
- if ( ! madeany )
- {
- /* create the '.' character class */
- anyccl = cclinit();
- ccladd( anyccl, '\n' );
- cclnegate( anyccl );
-
- if ( useecs )
- mkeccl( ccltbl + cclmap[anyccl],
- ccllen[anyccl], nextecm,
- ecgroup, csize, csize );
-
- madeany = true;
- }
-
- ++rulelen;
-
- yyval = mkstate( -anyccl );
- ;
- break;}
- case 42:
- #line 529 "parse.y"
- {
- if ( ! cclsorted )
- /* sort characters for fast searching. We use a
- * shell sort since this list could be large.
- */
- cshell( ccltbl + cclmap[yyvsp[0]], ccllen[yyvsp[0]], true );
-
- if ( useecs )
- mkeccl( ccltbl + cclmap[yyvsp[0]], ccllen[yyvsp[0]],
- nextecm, ecgroup, csize, csize );
-
- ++rulelen;
-
- yyval = mkstate( -yyvsp[0] );
- ;
- break;}
- case 43:
- #line 546 "parse.y"
- {
- ++rulelen;
-
- yyval = mkstate( -yyvsp[0] );
- ;
- break;}
- case 44:
- #line 553 "parse.y"
- { yyval = yyvsp[-1]; ;
- break;}
- case 45:
- #line 556 "parse.y"
- { yyval = yyvsp[-1]; ;
- break;}
- case 46:
- #line 559 "parse.y"
- {
- ++rulelen;
-
- if ( caseins && yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
- yyvsp[0] = clower( yyvsp[0] );
-
- yyval = mkstate( yyvsp[0] );
- ;
- break;}
- case 47:
- #line 570 "parse.y"
- { yyval = yyvsp[-1]; ;
- break;}
- case 48:
- #line 573 "parse.y"
- {
- /* *Sigh* - to be compatible Unix lex, negated ccls
- * match newlines
- */
- #ifdef NOTDEF
- ccladd( yyvsp[-1], '\n' ); /* negated ccls don't match '\n' */
- cclsorted = false; /* because we added the newline */
- #endif
- cclnegate( yyvsp[-1] );
- yyval = yyvsp[-1];
- ;
- break;}
- case 49:
- #line 587 "parse.y"
- {
- if ( yyvsp[-2] > yyvsp[0] )
- synerr( "negative range in character class" );
-
- else
- {
- 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] );
- }
-
- 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 50:
- #line 615 "parse.y"
- {
- if ( caseins )
- if ( 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 51:
- #line 627 "parse.y"
- {
- cclsorted = true;
- lastchar = 0;
- yyval = cclinit();
- ;
- break;}
- case 52:
- #line 635 "parse.y"
- {
- if ( caseins )
- if ( yyvsp[0] >= 'A' && yyvsp[0] <= 'Z' )
- yyvsp[0] = clower( yyvsp[0] );
-
- ++rulelen;
-
- yyval = link_machines( yyvsp[-1], mkstate( yyvsp[0] ) );
- ;
- break;}
- case 53:
- #line 646 "parse.y"
- { yyval = mkstate( SYM_EPSILON ); ;
- break;}
- }
- /* the action file gets copied in in place of this dollarsign */
- #line 440 "bison.simple"
-
- yyvsp -= yylen;
- yyssp -= yylen;
- #ifdef YYLSP_NEEDED
- yylsp -= yylen;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- *++yyvsp = yyval;
-
- #ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
- #endif
-
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
- yyerrlab: /* here on detecting error */
-
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
- {
- ++yynerrs;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- int size = 0;
- char *msg;
- int x, count;
-
- count = 0;
- for (x = 0; x < (sizeof(yytname) / sizeof(char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) xmalloc(size + 15);
- strcpy(msg, "parse error");
-
- if (count < 5)
- {
- count = 0;
- for (x = 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
- #endif /* YYERROR_VERBOSE */
- yyerror("parse error");
- }
-
- yyerrlab1: /* here on error raised explicitly by an action */
-
- if (yyerrstatus == 3)
- {
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
- #endif
-
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token
- after shifting the error token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
- yyerrdefault: /* current state does not do anything special for the error token. */
-
- #if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
- #endif
-
- yyerrpop: /* pop the current state because it cannot handle the error token */
-
- if (yyssp == yyss) YYABORT;
- yyvsp--;
- yystate = *--yyssp;
- #ifdef YYLSP_NEEDED
- yylsp--;
- #endif
-
- #if YYDEBUG != 0
- if (yydebug)
- {
- short *ssp1 = yyss - 1;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
- }
- #endif
-
- yyerrhandle:
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- #if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
- #endif
-
- *++yyvsp = yylval;
- #ifdef YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- yystate = yyn;
- goto yynewstate;
- }
- #line 649 "parse.y"
-
-
-
- /* build_eof_action - build the "<<EOF>>" action for the active start
- * conditions
- */
-
- void build_eof_action()
-
- {
- register int i;
-
- for ( i = 1; i <= actvp; ++i )
- {
- if ( sceof[actvsc[i]] )
- format_pinpoint_message(
- "multiple <<EOF>> rules for start condition %s",
- scname[actvsc[i]] );
-
- else
- {
- sceof[actvsc[i]] = true;
- fprintf( temp_action_file, "case YY_STATE_EOF(%s):\n",
- scname[actvsc[i]] );
- }
- }
-
- line_directive_out( temp_action_file );
- }
-
-
- /* synerr - report a syntax error */
-
- void synerr( str )
- char str[];
-
- {
- syntaxerror = true;
- pinpoint_message( str );
- }
-
-
- /* 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[];
-
- {
- fprintf( stderr, "\"%s\", line %d: %s\n", infilename, linenum, str );
- }
-
-
- /* yyerror - eat up an error message from the parser;
- * currently, messages are ignore
- */
-
- void yyerror( msg )
- char msg[];
-
- {
- }
-