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Diffstat (limited to 'src/parse.c')
| -rw-r--r-- | src/parse.c | 2942 |
1 files changed, 2942 insertions, 0 deletions
diff --git a/src/parse.c b/src/parse.c new file mode 100644 index 0000000..97fc6d7 --- /dev/null +++ b/src/parse.c @@ -0,0 +1,2942 @@ +/* A Bison parser, made by GNU Bison 3.0.4. */ + +/* Bison implementation for Yacc-like parsers in C + + Copyright (C) 1984, 1989-1990, 2000-2015 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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "3.0.4" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + + + + +/* Copy the first part of user declarations. */ +#line 34 "parse.y" /* yacc.c:339 */ + +/* 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. */ + +/* This file is part of flex. */ + +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following conditions */ +/* are met: */ + +/* 1. Redistributions of source code must retain the above copyright */ +/* notice, this list of conditions and the following disclaimer. */ +/* 2. Redistributions in binary form must reproduce the above copyright */ +/* notice, this list of conditions and the following disclaimer in the */ +/* documentation and/or other materials provided with the distribution. */ + +/* 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. */ + +#include "flexdef.h" +#include "tables.h" + +int pat, scnum, eps, headcnt, trailcnt, 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 */ +static int ccldot, cclany; +int previous_continued_action; /* whether the previous rule's action was '|' */ + +#define format_warn3(fmt, a1, a2) \ + do{ \ + char fw3_msg[MAXLINE];\ + snprintf( fw3_msg, MAXLINE,(fmt), (a1), (a2) );\ + warn( fw3_msg );\ + }while(0) + +/* Expand a POSIX character class expression. */ +#define CCL_EXPR(func) \ + do{ \ + int c; \ + for ( c = 0; c < csize; ++c ) \ + if ( isascii(c) && func(c) ) \ + ccladd( currccl, c ); \ + }while(0) + +/* negated class */ +#define CCL_NEG_EXPR(func) \ + do{ \ + int c; \ + for ( c = 0; c < csize; ++c ) \ + if ( !func(c) ) \ + ccladd( currccl, c ); \ + }while(0) + +/* 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 + + +#line 149 "parse.c" /* yacc.c:339 */ + +# ifndef YY_NULLPTR +# if defined __cplusplus && 201103L <= __cplusplus +# define YY_NULLPTR nullptr +# else +# define YY_NULLPTR 0 +# endif +# endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* In a future release of Bison, this section will be replaced + by #include "y.tab.h". */ +#ifndef YY_YY_PARSE_H_INCLUDED +# define YY_YY_PARSE_H_INCLUDED +/* Debug traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif +#if YYDEBUG +extern int yydebug; +#endif + +/* Token type. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + enum yytokentype + { + CHAR = 258, + NUMBER = 259, + SECTEND = 260, + SCDECL = 261, + XSCDECL = 262, + NAME = 263, + PREVCCL = 264, + EOF_OP = 265, + TOK_OPTION = 266, + TOK_OUTFILE = 267, + TOK_PREFIX = 268, + TOK_YYCLASS = 269, + TOK_HEADER_FILE = 270, + TOK_EXTRA_TYPE = 271, + TOK_TABLES_FILE = 272, + CCE_ALNUM = 273, + CCE_ALPHA = 274, + CCE_BLANK = 275, + CCE_CNTRL = 276, + CCE_DIGIT = 277, + CCE_GRAPH = 278, + CCE_LOWER = 279, + CCE_PRINT = 280, + CCE_PUNCT = 281, + CCE_SPACE = 282, + CCE_UPPER = 283, + CCE_XDIGIT = 284, + CCE_NEG_ALNUM = 285, + CCE_NEG_ALPHA = 286, + CCE_NEG_BLANK = 287, + CCE_NEG_CNTRL = 288, + CCE_NEG_DIGIT = 289, + CCE_NEG_GRAPH = 290, + CCE_NEG_LOWER = 291, + CCE_NEG_PRINT = 292, + CCE_NEG_PUNCT = 293, + CCE_NEG_SPACE = 294, + CCE_NEG_UPPER = 295, + CCE_NEG_XDIGIT = 296, + CCL_OP_DIFF = 297, + CCL_OP_UNION = 298, + BEGIN_REPEAT_POSIX = 299, + END_REPEAT_POSIX = 300, + BEGIN_REPEAT_FLEX = 301, + END_REPEAT_FLEX = 302 + }; +#endif +/* Tokens. */ +#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 TOK_OPTION 266 +#define TOK_OUTFILE 267 +#define TOK_PREFIX 268 +#define TOK_YYCLASS 269 +#define TOK_HEADER_FILE 270 +#define TOK_EXTRA_TYPE 271 +#define TOK_TABLES_FILE 272 +#define CCE_ALNUM 273 +#define CCE_ALPHA 274 +#define CCE_BLANK 275 +#define CCE_CNTRL 276 +#define CCE_DIGIT 277 +#define CCE_GRAPH 278 +#define CCE_LOWER 279 +#define CCE_PRINT 280 +#define CCE_PUNCT 281 +#define CCE_SPACE 282 +#define CCE_UPPER 283 +#define CCE_XDIGIT 284 +#define CCE_NEG_ALNUM 285 +#define CCE_NEG_ALPHA 286 +#define CCE_NEG_BLANK 287 +#define CCE_NEG_CNTRL 288 +#define CCE_NEG_DIGIT 289 +#define CCE_NEG_GRAPH 290 +#define CCE_NEG_LOWER 291 +#define CCE_NEG_PRINT 292 +#define CCE_NEG_PUNCT 293 +#define CCE_NEG_SPACE 294 +#define CCE_NEG_UPPER 295 +#define CCE_NEG_XDIGIT 296 +#define CCL_OP_DIFF 297 +#define CCL_OP_UNION 298 +#define BEGIN_REPEAT_POSIX 299 +#define END_REPEAT_POSIX 300 +#define BEGIN_REPEAT_FLEX 301 +#define END_REPEAT_FLEX 302 + +/* Value type. */ +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef int YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define YYSTYPE_IS_DECLARED 1 +#endif + + +extern YYSTYPE yylval; + +int yyparse (void); + +#endif /* !YY_YY_PARSE_H_INCLUDED */ + +/* Copy the second part of user declarations. */ + +#line 294 "parse.c" /* yacc.c:358 */ + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#else +typedef signed char yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(Msgid) dgettext ("bison-runtime", Msgid) +# endif +# endif +# ifndef YY_ +# define YY_(Msgid) Msgid +# endif +#endif + +#ifndef YY_ATTRIBUTE +# if (defined __GNUC__ \ + && (2 < __GNUC__ || (__GNUC__ == 2 && 96 <= __GNUC_MINOR__))) \ + || defined __SUNPRO_C && 0x5110 <= __SUNPRO_C +# define YY_ATTRIBUTE(Spec) __attribute__(Spec) +# else +# define YY_ATTRIBUTE(Spec) /* empty */ +# endif +#endif + +#ifndef YY_ATTRIBUTE_PURE +# define YY_ATTRIBUTE_PURE YY_ATTRIBUTE ((__pure__)) +#endif + +#ifndef YY_ATTRIBUTE_UNUSED +# define YY_ATTRIBUTE_UNUSED YY_ATTRIBUTE ((__unused__)) +#endif + +#if !defined _Noreturn \ + && (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112) +# if defined _MSC_VER && 1200 <= _MSC_VER +# define _Noreturn __declspec (noreturn) +# else +# define _Noreturn YY_ATTRIBUTE ((__noreturn__)) +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(E) ((void) (E)) +#else +# define YYUSE(E) /* empty */ +#endif + +#if defined __GNUC__ && 407 <= __GNUC__ * 100 + __GNUC_MINOR__ +/* Suppress an incorrect diagnostic about yylval being uninitialized. */ +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN \ + _Pragma ("GCC diagnostic push") \ + _Pragma ("GCC diagnostic ignored \"-Wuninitialized\"")\ + _Pragma ("GCC diagnostic ignored \"-Wmaybe-uninitialized\"") +# define YY_IGNORE_MAYBE_UNINITIALIZED_END \ + _Pragma ("GCC diagnostic pop") +#else +# define YY_INITIAL_VALUE(Value) Value +#endif +#ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN +# define YY_IGNORE_MAYBE_UNINITIALIZED_END +#endif +#ifndef YY_INITIAL_VALUE +# define YY_INITIAL_VALUE(Value) /* Nothing. */ +#endif + + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ + /* Use EXIT_SUCCESS as a witness for stdlib.h. */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's 'empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined EXIT_SUCCESS \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef EXIT_SUCCESS +# define EXIT_SUCCESS 0 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined EXIT_SUCCESS +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined EXIT_SUCCESS +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +# define YYCOPY_NEEDED 1 + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (0) + +#endif + +#if defined YYCOPY_NEEDED && YYCOPY_NEEDED +/* Copy COUNT objects from SRC to DST. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(Dst, Src, Count) \ + __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) +# else +# define YYCOPY(Dst, Src, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (Dst)[yyi] = (Src)[yyi]; \ + } \ + while (0) +# endif +# endif +#endif /* !YYCOPY_NEEDED */ + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 3 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 161 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 69 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 27 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 97 +/* YYNSTATES -- Number of states. */ +#define YYNSTATES 140 + +/* YYTRANSLATE[YYX] -- Symbol number corresponding to YYX as returned + by yylex, with out-of-bounds checking. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 302 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[TOKEN-NUM] -- Symbol number corresponding to TOKEN-NUM + as returned by yylex, without out-of-bounds checking. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 49, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 63, 2, 57, 2, 2, 2, + 64, 65, 55, 60, 56, 68, 62, 59, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 53, 48, 54, 61, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 66, 2, 67, 52, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 50, 58, 51, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 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, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, + 45, 46, 47 +}; + +#if YYDEBUG + /* YYRLINE[YYN] -- Source line where rule number YYN was defined. */ +static const yytype_uint16 yyrline[] = +{ + 0, 118, 118, 148, 155, 156, 157, 158, 162, 170, + 173, 177, 180, 183, 187, 190, 191, 194, 199, 201, + 203, 205, 207, 211, 213, 215, 219, 231, 267, 291, + 314, 319, 322, 325, 343, 346, 348, 350, 354, 377, + 433, 436, 479, 497, 503, 508, 535, 543, 546, 574, + 588, 610, 617, 623, 629, 657, 671, 690, 724, 742, + 752, 755, 758, 773, 774, 775, 780, 782, 789, 849, + 867, 875, 883, 884, 885, 886, 887, 888, 889, 894, + 895, 896, 897, 898, 904, 905, 906, 907, 908, 909, + 910, 911, 912, 913, 914, 920, 928, 944 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || 0 +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "CHAR", "NUMBER", "SECTEND", "SCDECL", + "XSCDECL", "NAME", "PREVCCL", "EOF_OP", "TOK_OPTION", "TOK_OUTFILE", + "TOK_PREFIX", "TOK_YYCLASS", "TOK_HEADER_FILE", "TOK_EXTRA_TYPE", + "TOK_TABLES_FILE", "CCE_ALNUM", "CCE_ALPHA", "CCE_BLANK", "CCE_CNTRL", + "CCE_DIGIT", "CCE_GRAPH", "CCE_LOWER", "CCE_PRINT", "CCE_PUNCT", + "CCE_SPACE", "CCE_UPPER", "CCE_XDIGIT", "CCE_NEG_ALNUM", "CCE_NEG_ALPHA", + "CCE_NEG_BLANK", "CCE_NEG_CNTRL", "CCE_NEG_DIGIT", "CCE_NEG_GRAPH", + "CCE_NEG_LOWER", "CCE_NEG_PRINT", "CCE_NEG_PUNCT", "CCE_NEG_SPACE", + "CCE_NEG_UPPER", "CCE_NEG_XDIGIT", "CCL_OP_DIFF", "CCL_OP_UNION", + "BEGIN_REPEAT_POSIX", "END_REPEAT_POSIX", "BEGIN_REPEAT_FLEX", + "END_REPEAT_FLEX", "'='", "'\\n'", "'{'", "'}'", "'^'", "'<'", "'>'", + "'*'", "','", "'$'", "'|'", "'/'", "'+'", "'?'", "'.'", "'\"'", "'('", + "')'", "'['", "']'", "'-'", "$accept", "goal", "initlex", "sect1", + "sect1end", "startconddecl", "namelist1", "options", "optionlist", + "option", "sect2", "initforrule", "flexrule", "scon_stk_ptr", "scon", + "namelist2", "sconname", "rule", "re", "re2", "series", "singleton", + "fullccl", "braceccl", "ccl", "ccl_expr", "string", YY_NULLPTR +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[NUM] -- (External) token number corresponding to the + (internal) symbol number NUM (which must be that of a token). */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, + 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, + 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, + 295, 296, 297, 298, 299, 300, 301, 302, 61, 10, + 123, 125, 94, 60, 62, 42, 44, 36, 124, 47, + 43, 63, 46, 34, 40, 41, 91, 93, 45 +}; +# endif + +#define YYPACT_NINF -52 + +#define yypact_value_is_default(Yystate) \ + (!!((Yystate) == (-52))) + +#define YYTABLE_NINF -27 + +#define yytable_value_is_error(Yytable_value) \ + 0 + + /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +static const yytype_int16 yypact[] = +{ + -52, 17, 103, -52, -52, 113, -52, -52, -52, -52, + -52, 48, -52, 114, 6, -52, -52, 42, 7, 12, + 58, 77, 88, 89, -52, 43, -52, 73, -52, 130, + 131, 132, 133, 134, 135, 90, 91, -52, -1, -52, + -52, -52, -52, -52, -52, -52, -52, -52, 40, -52, + 44, -52, -52, -52, -52, 39, -52, -52, 39, 93, + 97, -52, -12, 39, 49, 61, -31, -52, -52, 139, + -52, -52, 1, -51, -52, 0, -52, -52, 39, -52, + 75, 144, 61, 145, -52, -52, -52, 84, 84, -52, + -52, -52, -52, 50, 83, -52, -52, -52, -52, -52, + -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, + -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, + -52, 49, -52, -40, 10, -52, -52, -52, 149, -52, + 9, -52, -3, -52, 108, -52, 107, -52, -52, -52 +}; + + /* YYDEFACT[STATE-NUM] -- Default reduction number in state STATE-NUM. + Performed when YYTABLE does not specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 3, 0, 0, 1, 7, 0, 8, 9, 10, 16, + 25, 0, 5, 14, 34, 13, 12, 4, 0, 0, + 0, 0, 0, 0, 15, 31, 2, 26, 11, 0, + 0, 0, 0, 0, 0, 0, 0, 25, 0, 17, + 19, 20, 21, 18, 22, 33, 37, 38, 0, 36, + 34, 30, 62, 59, 29, 0, 57, 97, 0, 71, + 0, 28, 42, 0, 44, 47, 58, 65, 32, 0, + 24, 27, 0, 0, 71, 0, 23, 41, 0, 45, + 39, 0, 46, 0, 51, 52, 53, 0, 0, 35, + 96, 60, 61, 0, 69, 72, 73, 74, 75, 76, + 77, 78, 79, 80, 81, 83, 82, 84, 85, 86, + 87, 88, 89, 94, 90, 91, 92, 95, 93, 66, + 70, 43, 40, 0, 0, 63, 64, 67, 0, 50, + 0, 56, 0, 68, 0, 49, 0, 55, 48, 54 +}; + + /* YYPGOTO[NTERM-NUM]. */ +static const yytype_int16 yypgoto[] = +{ + -52, -52, -52, -52, -52, -52, -52, -52, -52, -52, + 118, 129, -52, -52, -52, -52, 92, 102, -48, -52, + 80, -21, -52, 47, 85, -52, -52 +}; + + /* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 1, 2, 5, 10, 11, 17, 12, 13, 24, + 14, 26, 60, 36, 27, 48, 49, 61, 62, 63, + 64, 65, 66, 67, 75, 120, 72 +}; + + /* YYTABLE[YYPACT[STATE-NUM]] -- What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule whose + number is the opposite. If YYTABLE_NINF, syntax error. */ +static const yytype_int16 yytable[] = +{ + 51, 136, 52, 94, 90, 129, -26, 78, 53, 54, + 73, 87, 88, 134, 92, 80, 130, 3, 95, 96, + 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, + 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, + 117, 118, 52, 82, 137, 77, 78, 79, 53, 15, + 28, 55, 52, 94, 135, 29, 16, 131, 53, 25, + 30, 56, 57, 58, 91, 59, 132, 119, 95, 96, + 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, + 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, + 117, 118, 46, 81, 68, 70, 69, 25, 35, 47, + 82, 56, 57, 58, 4, 59, 31, 83, -6, -6, + -6, 56, 57, 58, -6, 59, 84, 127, 6, 7, + 8, 85, 86, 37, 9, 32, 18, 19, 20, 21, + 22, 23, 122, 78, 125, 126, 33, 34, 39, 40, + 41, 42, 43, 44, 45, 74, 76, 47, 123, 124, + 59, 128, 133, 138, 139, 50, 38, 71, 121, 93, + 0, 89 +}; + +static const yytype_int8 yycheck[] = +{ + 1, 4, 3, 3, 3, 45, 0, 58, 9, 10, + 58, 42, 43, 4, 65, 63, 56, 0, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 3, 64, 47, 57, 58, 59, 9, 1, + 8, 52, 3, 3, 45, 48, 8, 47, 9, 53, + 48, 62, 63, 64, 63, 66, 56, 67, 18, 19, + 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, + 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, + 40, 41, 1, 44, 54, 51, 56, 53, 55, 8, + 121, 62, 63, 64, 1, 66, 48, 46, 5, 6, + 7, 62, 63, 64, 11, 66, 55, 67, 5, 6, + 7, 60, 61, 50, 11, 48, 12, 13, 14, 15, + 16, 17, 57, 58, 87, 88, 48, 48, 8, 8, + 8, 8, 8, 8, 54, 52, 49, 8, 4, 4, + 66, 68, 3, 45, 47, 37, 27, 55, 78, 74, + -1, 69 +}; + + /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 70, 71, 0, 1, 72, 5, 6, 7, 11, + 73, 74, 76, 77, 79, 1, 8, 75, 12, 13, + 14, 15, 16, 17, 78, 53, 80, 83, 8, 48, + 48, 48, 48, 48, 48, 55, 82, 50, 80, 8, + 8, 8, 8, 8, 8, 54, 1, 8, 84, 85, + 79, 1, 3, 9, 10, 52, 62, 63, 64, 66, + 81, 86, 87, 88, 89, 90, 91, 92, 54, 56, + 51, 86, 95, 87, 52, 93, 49, 57, 58, 59, + 87, 44, 90, 46, 55, 60, 61, 42, 43, 85, + 3, 63, 65, 93, 3, 18, 19, 20, 21, 22, + 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, + 33, 34, 35, 36, 37, 38, 39, 40, 41, 67, + 94, 89, 57, 4, 4, 92, 92, 67, 68, 45, + 56, 47, 56, 3, 4, 45, 4, 47, 45, 47 +}; + + /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 69, 70, 71, 72, 72, 72, 72, 73, 74, + 74, 75, 75, 75, 76, 77, 77, 78, 78, 78, + 78, 78, 78, 79, 79, 79, 80, 81, 81, 81, + 81, 82, 83, 83, 83, 84, 84, 84, 85, 86, + 86, 86, 86, 87, 87, 88, 89, 89, 89, 89, + 89, 90, 90, 90, 90, 90, 90, 90, 90, 90, + 90, 90, 90, 91, 91, 91, 92, 92, 93, 93, + 93, 93, 94, 94, 94, 94, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 94, 94, 94, 94, 94, + 94, 94, 94, 94, 94, 94, 95, 95 +}; + + /* YYR2[YYN] -- Number of symbols on the right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 5, 0, 3, 2, 0, 1, 1, 1, + 1, 2, 1, 1, 2, 2, 0, 3, 3, 3, + 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, 6, 5, + 4, 2, 2, 2, 6, 5, 4, 1, 1, 1, + 3, 3, 1, 3, 3, 1, 3, 4, 4, 2, + 2, 0, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 2, 0 +}; + + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + YYPOPSTACK (yylen); \ + yystate = *yyssp; \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (0) + +/* Error token number */ +#define YYTERROR 1 +#define YYERRCODE 256 + + + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (0) + +/* This macro is provided for backward compatibility. */ +#ifndef YY_LOCATION_PRINT +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +#endif + + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (0) + + +/*----------------------------------------. +| Print this symbol's value on YYOUTPUT. | +`----------------------------------------*/ + +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +{ + FILE *yyo = yyoutput; + YYUSE (yyo); + if (!yyvaluep) + return; +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# endif + YYUSE (yytype); +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep) +{ + YYFPRINTF (yyoutput, "%s %s (", + yytype < YYNTOKENS ? "token" : "nterm", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (0) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +static void +yy_reduce_print (yytype_int16 *yyssp, YYSTYPE *yyvsp, int yyrule) +{ + unsigned long int yylno = yyrline[yyrule]; + int yynrhs = yyr2[yyrule]; + int yyi; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, + yystos[yyssp[yyi + 1 - yynrhs]], + &(yyvsp[(yyi + 1) - (yynrhs)]) + ); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyssp, yyvsp, Rule); \ +} while (0) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +static YYSIZE_T +yystrlen (const char *yystr) +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +static char * +yystpcpy (char *yydest, const char *yysrc) +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message + about the unexpected token YYTOKEN for the state stack whose top is + YYSSP. + + Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is + not large enough to hold the message. In that case, also set + *YYMSG_ALLOC to the required number of bytes. Return 2 if the + required number of bytes is too large to store. */ +static int +yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, + yytype_int16 *yyssp, int yytoken) +{ + YYSIZE_T yysize0 = yytnamerr (YY_NULLPTR, yytname[yytoken]); + YYSIZE_T yysize = yysize0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + /* Internationalized format string. */ + const char *yyformat = YY_NULLPTR; + /* Arguments of yyformat. */ + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + /* Number of reported tokens (one for the "unexpected", one per + "expected"). */ + int yycount = 0; + + /* There are many possibilities here to consider: + - If this state is a consistent state with a default action, then + the only way this function was invoked is if the default action + is an error action. In that case, don't check for expected + tokens because there are none. + - The only way there can be no lookahead present (in yychar) is if + this state is a consistent state with a default action. Thus, + detecting the absence of a lookahead is sufficient to determine + that there is no unexpected or expected token to report. In that + case, just report a simple "syntax error". + - Don't assume there isn't a lookahead just because this state is a + consistent state with a default action. There might have been a + previous inconsistent state, consistent state with a non-default + action, or user semantic action that manipulated yychar. + - Of course, the expected token list depends on states to have + correct lookahead information, and it depends on the parser not + to perform extra reductions after fetching a lookahead from the + scanner and before detecting a syntax error. Thus, state merging + (from LALR or IELR) and default reductions corrupt the expected + token list. However, the list is correct for canonical LR with + one exception: it will still contain any token that will not be + accepted due to an error action in a later state. + */ + if (yytoken != YYEMPTY) + { + int yyn = yypact[*yyssp]; + yyarg[yycount++] = yytname[yytoken]; + if (!yypact_value_is_default (yyn)) + { + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. In other words, skip the first -YYN actions for + this state because they are default actions. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yyx; + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR + && !yytable_value_is_error (yytable[yyx + yyn])) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + break; + } + yyarg[yycount++] = yytname[yyx]; + { + YYSIZE_T yysize1 = yysize + yytnamerr (YY_NULLPTR, yytname[yyx]); + if (! (yysize <= yysize1 + && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + } + } + } + + switch (yycount) + { +# define YYCASE_(N, S) \ + case N: \ + yyformat = S; \ + break + YYCASE_(0, YY_("syntax error")); + YYCASE_(1, YY_("syntax error, unexpected %s")); + YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); + YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); + YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); + YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); +# undef YYCASE_ + } + + { + YYSIZE_T yysize1 = yysize + yystrlen (yyformat); + if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) + return 2; + yysize = yysize1; + } + + if (*yymsg_alloc < yysize) + { + *yymsg_alloc = 2 * yysize; + if (! (yysize <= *yymsg_alloc + && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) + *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; + return 1; + } + + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + { + char *yyp = *yymsg; + int yyi = 0; + while ((*yyp = *yyformat) != '\0') + if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyformat += 2; + } + else + { + yyp++; + yyformat++; + } + } + return 0; +} +#endif /* YYERROR_VERBOSE */ + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep) +{ + YYUSE (yyvaluep); + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + YYUSE (yytype); + YY_IGNORE_MAYBE_UNINITIALIZED_END +} + + + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; +/* Number of syntax errors so far. */ +int yynerrs; + + +/*----------. +| yyparse. | +`----------*/ + +int +yyparse (void) +{ + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + 'yyss': related to states. + 'yyvs': related to semantic values. + + Refer to the stacks through separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken = 0; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yyssp = yyss = yyssa; + yyvsp = yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* 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; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yypact_value_is_default (yyn)) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = yylex (); + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yytable_value_is_error (yyn)) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + '$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 2: +#line 119 "parse.y" /* yacc.c:1646 */ + { /* 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, 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" ); + } +#line 1512 "parse.c" /* yacc.c:1646 */ + break; + + case 3: +#line 148 "parse.y" /* yacc.c:1646 */ + { /* initialize for processing rules */ + + /* Create default DFA start condition. */ + scinstal( "INITIAL", false ); + } +#line 1522 "parse.c" /* yacc.c:1646 */ + break; + + case 7: +#line 159 "parse.y" /* yacc.c:1646 */ + { synerr( _("unknown error processing section 1") ); } +#line 1528 "parse.c" /* yacc.c:1646 */ + break; + + case 8: +#line 163 "parse.y" /* yacc.c:1646 */ + { + check_options(); + scon_stk = allocate_integer_array( lastsc + 1 ); + scon_stk_ptr = 0; + } +#line 1538 "parse.c" /* yacc.c:1646 */ + break; + + case 9: +#line 171 "parse.y" /* yacc.c:1646 */ + { xcluflg = false; } +#line 1544 "parse.c" /* yacc.c:1646 */ + break; + + case 10: +#line 174 "parse.y" /* yacc.c:1646 */ + { xcluflg = true; } +#line 1550 "parse.c" /* yacc.c:1646 */ + break; + + case 11: +#line 178 "parse.y" /* yacc.c:1646 */ + { scinstal( nmstr, xcluflg ); } +#line 1556 "parse.c" /* yacc.c:1646 */ + break; + + case 12: +#line 181 "parse.y" /* yacc.c:1646 */ + { scinstal( nmstr, xcluflg ); } +#line 1562 "parse.c" /* yacc.c:1646 */ + break; + + case 13: +#line 184 "parse.y" /* yacc.c:1646 */ + { synerr( _("bad start condition list") ); } +#line 1568 "parse.c" /* yacc.c:1646 */ + break; + + case 17: +#line 195 "parse.y" /* yacc.c:1646 */ + { + outfilename = xstrdup(nmstr); + did_outfilename = 1; + } +#line 1577 "parse.c" /* yacc.c:1646 */ + break; + + case 18: +#line 200 "parse.y" /* yacc.c:1646 */ + { extra_type = xstrdup(nmstr); } +#line 1583 "parse.c" /* yacc.c:1646 */ + break; + + case 19: +#line 202 "parse.y" /* yacc.c:1646 */ + { prefix = xstrdup(nmstr); } +#line 1589 "parse.c" /* yacc.c:1646 */ + break; + + case 20: +#line 204 "parse.y" /* yacc.c:1646 */ + { yyclass = xstrdup(nmstr); } +#line 1595 "parse.c" /* yacc.c:1646 */ + break; + + case 21: +#line 206 "parse.y" /* yacc.c:1646 */ + { headerfilename = xstrdup(nmstr); } +#line 1601 "parse.c" /* yacc.c:1646 */ + break; + + case 22: +#line 208 "parse.y" /* yacc.c:1646 */ + { tablesext = true; tablesfilename = xstrdup(nmstr); } +#line 1607 "parse.c" /* yacc.c:1646 */ + break; + + case 23: +#line 212 "parse.y" /* yacc.c:1646 */ + { scon_stk_ptr = (yyvsp[-3]); } +#line 1613 "parse.c" /* yacc.c:1646 */ + break; + + case 24: +#line 214 "parse.y" /* yacc.c:1646 */ + { scon_stk_ptr = (yyvsp[-3]); } +#line 1619 "parse.c" /* yacc.c:1646 */ + break; + + case 26: +#line 219 "parse.y" /* yacc.c:1646 */ + { + /* 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(); + } +#line 1634 "parse.c" /* yacc.c:1646 */ + break; + + case 27: +#line 232 "parse.y" /* yacc.c:1646 */ + { + pat = (yyvsp[0]); + finish_rule( pat, variable_trail_rule, + headcnt, trailcnt , previous_continued_action); + + 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" ); + } + } +#line 1673 "parse.c" /* yacc.c:1646 */ + break; + + case 28: +#line 268 "parse.y" /* yacc.c:1646 */ + { + pat = (yyvsp[0]); + finish_rule( pat, variable_trail_rule, + headcnt, trailcnt , previous_continued_action); + + 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 ); + } + } +#line 1700 "parse.c" /* yacc.c:1646 */ + break; + + case 29: +#line 292 "parse.y" /* yacc.c:1646 */ + { + 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(); + } + } +#line 1726 "parse.c" /* yacc.c:1646 */ + break; + + case 30: +#line 315 "parse.y" /* yacc.c:1646 */ + { synerr( _("unrecognized rule") ); } +#line 1732 "parse.c" /* yacc.c:1646 */ + break; + + case 31: +#line 319 "parse.y" /* yacc.c:1646 */ + { (yyval) = scon_stk_ptr; } +#line 1738 "parse.c" /* yacc.c:1646 */ + break; + + case 32: +#line 323 "parse.y" /* yacc.c:1646 */ + { (yyval) = (yyvsp[-2]); } +#line 1744 "parse.c" /* yacc.c:1646 */ + break; + + case 33: +#line 326 "parse.y" /* yacc.c:1646 */ + { + (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; + } + } +#line 1764 "parse.c" /* yacc.c:1646 */ + break; + + case 34: +#line 343 "parse.y" /* yacc.c:1646 */ + { (yyval) = scon_stk_ptr; } +#line 1770 "parse.c" /* yacc.c:1646 */ + break; + + case 37: +#line 351 "parse.y" /* yacc.c:1646 */ + { synerr( _("bad start condition list") ); } +#line 1776 "parse.c" /* yacc.c:1646 */ + break; + + case 38: +#line 355 "parse.y" /* yacc.c:1646 */ + { + 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; + } + } +#line 1801 "parse.c" /* yacc.c:1646 */ + break; + + case 39: +#line 378 "parse.y" /* yacc.c:1646 */ + { + 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]) ); + } +#line 1860 "parse.c" /* yacc.c:1646 */ + break; + + case 40: +#line 434 "parse.y" /* yacc.c:1646 */ + { synerr( _("trailing context used twice") ); } +#line 1866 "parse.c" /* yacc.c:1646 */ + break; + + case 41: +#line 437 "parse.y" /* yacc.c:1646 */ + { + 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' ) ) ); + } +#line 1912 "parse.c" /* yacc.c:1646 */ + break; + + case 42: +#line 480 "parse.y" /* yacc.c:1646 */ + { + (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; + } + } +#line 1931 "parse.c" /* yacc.c:1646 */ + break; + + case 43: +#line 498 "parse.y" /* yacc.c:1646 */ + { + varlength = true; + (yyval) = mkor( (yyvsp[-2]), (yyvsp[0]) ); + } +#line 1940 "parse.c" /* yacc.c:1646 */ + break; + + case 44: +#line 504 "parse.y" /* yacc.c:1646 */ + { (yyval) = (yyvsp[0]); } +#line 1946 "parse.c" /* yacc.c:1646 */ + break; + + case 45: +#line 509 "parse.y" /* yacc.c:1646 */ + { + /* 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]); + } +#line 1975 "parse.c" /* yacc.c:1646 */ + break; + + case 46: +#line 536 "parse.y" /* yacc.c:1646 */ + { + /* This is where concatenation of adjacent patterns + * gets done. + */ + (yyval) = link_machines( (yyvsp[-1]), (yyvsp[0]) ); + } +#line 1986 "parse.c" /* yacc.c:1646 */ + break; + + case 47: +#line 544 "parse.y" /* yacc.c:1646 */ + { (yyval) = (yyvsp[0]); } +#line 1992 "parse.c" /* yacc.c:1646 */ + break; + + case 48: +#line 547 "parse.y" /* yacc.c:1646 */ + { + 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]) ); + } + } +#line 2023 "parse.c" /* yacc.c:1646 */ + break; + + case 49: +#line 575 "parse.y" /* yacc.c:1646 */ + { + varlength = true; + + if ( (yyvsp[-2]) <= 0 ) + { + synerr( _("iteration value must be positive") ); + (yyval) = (yyvsp[-4]); + } + + else + (yyval) = mkrep( (yyvsp[-4]), (yyvsp[-2]), INFINITE_REPEAT ); + } +#line 2040 "parse.c" /* yacc.c:1646 */ + break; + + case 50: +#line 589 "parse.y" /* yacc.c:1646 */ + { + /* The series 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 ) ); + } +#line 2063 "parse.c" /* yacc.c:1646 */ + break; + + case 51: +#line 611 "parse.y" /* yacc.c:1646 */ + { + varlength = true; + + (yyval) = mkclos( (yyvsp[-1]) ); + } +#line 2073 "parse.c" /* yacc.c:1646 */ + break; + + case 52: +#line 618 "parse.y" /* yacc.c:1646 */ + { + varlength = true; + (yyval) = mkposcl( (yyvsp[-1]) ); + } +#line 2082 "parse.c" /* yacc.c:1646 */ + break; + + case 53: +#line 624 "parse.y" /* yacc.c:1646 */ + { + varlength = true; + (yyval) = mkopt( (yyvsp[-1]) ); + } +#line 2091 "parse.c" /* yacc.c:1646 */ + break; + + case 54: +#line 630 "parse.y" /* yacc.c:1646 */ + { + 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]) ); + } + } +#line 2122 "parse.c" /* yacc.c:1646 */ + break; + + case 55: +#line 658 "parse.y" /* yacc.c:1646 */ + { + varlength = true; + + if ( (yyvsp[-2]) <= 0 ) + { + synerr( _("iteration value must be positive") ); + (yyval) = (yyvsp[-4]); + } + + else + (yyval) = mkrep( (yyvsp[-4]), (yyvsp[-2]), INFINITE_REPEAT ); + } +#line 2139 "parse.c" /* yacc.c:1646 */ + break; + + case 56: +#line 672 "parse.y" /* yacc.c:1646 */ + { + /* 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 ) ); + } +#line 2161 "parse.c" /* yacc.c:1646 */ + break; + + case 57: +#line 691 "parse.y" /* yacc.c:1646 */ + { + if ( ! madeany ) + { + /* Create the '.' character class. */ + ccldot = cclinit(); + ccladd( ccldot, '\n' ); + cclnegate( ccldot ); + + if ( useecs ) + mkeccl( ccltbl + cclmap[ccldot], + ccllen[ccldot], nextecm, + ecgroup, csize, csize ); + + /* Create the (?s:'.') character class. */ + cclany = cclinit(); + cclnegate( cclany ); + + if ( useecs ) + mkeccl( ccltbl + cclmap[cclany], + ccllen[cclany], nextecm, + ecgroup, csize, csize ); + + madeany = true; + } + + ++rulelen; + + if (sf_dot_all()) + (yyval) = mkstate( -cclany ); + else + (yyval) = mkstate( -ccldot ); + } +#line 2198 "parse.c" /* yacc.c:1646 */ + break; + + case 58: +#line 725 "parse.y" /* yacc.c:1646 */ + { + /* Sort characters for fast searching. + */ + qsort( ccltbl + cclmap[(yyvsp[0])], (size_t) ccllen[(yyvsp[0])], sizeof (*ccltbl), cclcmp ); + + if ( useecs ) + mkeccl( ccltbl + cclmap[(yyvsp[0])], ccllen[(yyvsp[0])], + nextecm, ecgroup, csize, csize ); + + ++rulelen; + + if (ccl_has_nl[(yyvsp[0])]) + rule_has_nl[num_rules] = true; + + (yyval) = mkstate( -(yyvsp[0]) ); + } +#line 2219 "parse.c" /* yacc.c:1646 */ + break; + + case 59: +#line 743 "parse.y" /* yacc.c:1646 */ + { + ++rulelen; + + if (ccl_has_nl[(yyvsp[0])]) + rule_has_nl[num_rules] = true; + + (yyval) = mkstate( -(yyvsp[0]) ); + } +#line 2232 "parse.c" /* yacc.c:1646 */ + break; + + case 60: +#line 753 "parse.y" /* yacc.c:1646 */ + { (yyval) = (yyvsp[-1]); } +#line 2238 "parse.c" /* yacc.c:1646 */ + break; + + case 61: +#line 756 "parse.y" /* yacc.c:1646 */ + { (yyval) = (yyvsp[-1]); } +#line 2244 "parse.c" /* yacc.c:1646 */ + break; + + case 62: +#line 759 "parse.y" /* yacc.c:1646 */ + { + ++rulelen; + + if ((yyvsp[0]) == nlch) + rule_has_nl[num_rules] = true; + + if (sf_case_ins() && has_case((yyvsp[0]))) + /* create an alternation, as in (a|A) */ + (yyval) = mkor (mkstate((yyvsp[0])), mkstate(reverse_case((yyvsp[0])))); + else + (yyval) = mkstate( (yyvsp[0]) ); + } +#line 2261 "parse.c" /* yacc.c:1646 */ + break; + + case 63: +#line 773 "parse.y" /* yacc.c:1646 */ + { (yyval) = ccl_set_diff ((yyvsp[-2]), (yyvsp[0])); } +#line 2267 "parse.c" /* yacc.c:1646 */ + break; + + case 64: +#line 774 "parse.y" /* yacc.c:1646 */ + { (yyval) = ccl_set_union ((yyvsp[-2]), (yyvsp[0])); } +#line 2273 "parse.c" /* yacc.c:1646 */ + break; + + case 66: +#line 780 "parse.y" /* yacc.c:1646 */ + { (yyval) = (yyvsp[-1]); } +#line 2279 "parse.c" /* yacc.c:1646 */ + break; + + case 67: +#line 783 "parse.y" /* yacc.c:1646 */ + { + cclnegate( (yyvsp[-1]) ); + (yyval) = (yyvsp[-1]); + } +#line 2288 "parse.c" /* yacc.c:1646 */ + break; + + case 68: +#line 790 "parse.y" /* yacc.c:1646 */ + { + + if (sf_case_ins()) + { + + /* If one end of the range has case and the other + * does not, or the cases are different, then we're not + * sure what range the user is trying to express. + * Examples: [@-z] or [S-t] + */ + if (has_case ((yyvsp[-2])) != has_case ((yyvsp[0])) + || (has_case ((yyvsp[-2])) && (b_islower ((yyvsp[-2])) != b_islower ((yyvsp[0])))) + || (has_case ((yyvsp[-2])) && (b_isupper ((yyvsp[-2])) != b_isupper ((yyvsp[0]))))) + format_warn3 ( + _("the character range [%c-%c] is ambiguous in a case-insensitive scanner"), + (yyvsp[-2]), (yyvsp[0])); + + /* If the range spans uppercase characters but not + * lowercase (or vice-versa), then should we automatically + * include lowercase characters in the range? + * Example: [@-_] spans [a-z] but not [A-Z] + */ + else if (!has_case ((yyvsp[-2])) && !has_case ((yyvsp[0])) && !range_covers_case ((yyvsp[-2]), (yyvsp[0]))) + format_warn3 ( + _("the character range [%c-%c] is ambiguous in a case-insensitive scanner"), + (yyvsp[-2]), (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]); + + /* Do it again for upper/lowercase */ + if (sf_case_ins() && has_case((yyvsp[-2])) && has_case((yyvsp[0]))){ + (yyvsp[-2]) = reverse_case ((yyvsp[-2])); + (yyvsp[0]) = reverse_case ((yyvsp[0])); + + for ( i = (yyvsp[-2]); i <= (yyvsp[0]); ++i ) + ccladd( (yyvsp[-3]), i ); + + cclsorted = cclsorted && ((yyvsp[-2]) > lastchar); + lastchar = (yyvsp[0]); + } + + } + + (yyval) = (yyvsp[-3]); + } +#line 2351 "parse.c" /* yacc.c:1646 */ + break; + + case 69: +#line 850 "parse.y" /* yacc.c:1646 */ + { + ccladd( (yyvsp[-1]), (yyvsp[0]) ); + cclsorted = cclsorted && ((yyvsp[0]) > lastchar); + lastchar = (yyvsp[0]); + + /* Do it again for upper/lowercase */ + if (sf_case_ins() && has_case((yyvsp[0]))){ + (yyvsp[0]) = reverse_case ((yyvsp[0])); + ccladd ((yyvsp[-1]), (yyvsp[0])); + + cclsorted = cclsorted && ((yyvsp[0]) > lastchar); + lastchar = (yyvsp[0]); + } + + (yyval) = (yyvsp[-1]); + } +#line 2372 "parse.c" /* yacc.c:1646 */ + break; + + case 70: +#line 868 "parse.y" /* yacc.c:1646 */ + { + /* Too hard to properly maintain cclsorted. */ + cclsorted = false; + (yyval) = (yyvsp[-1]); + } +#line 2382 "parse.c" /* yacc.c:1646 */ + break; + + case 71: +#line 875 "parse.y" /* yacc.c:1646 */ + { + cclsorted = true; + lastchar = 0; + currccl = (yyval) = cclinit(); + } +#line 2392 "parse.c" /* yacc.c:1646 */ + break; + + case 72: +#line 883 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isalnum); } +#line 2398 "parse.c" /* yacc.c:1646 */ + break; + + case 73: +#line 884 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isalpha); } +#line 2404 "parse.c" /* yacc.c:1646 */ + break; + + case 74: +#line 885 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(IS_BLANK); } +#line 2410 "parse.c" /* yacc.c:1646 */ + break; + + case 75: +#line 886 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(iscntrl); } +#line 2416 "parse.c" /* yacc.c:1646 */ + break; + + case 76: +#line 887 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isdigit); } +#line 2422 "parse.c" /* yacc.c:1646 */ + break; + + case 77: +#line 888 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isgraph); } +#line 2428 "parse.c" /* yacc.c:1646 */ + break; + + case 78: +#line 889 "parse.y" /* yacc.c:1646 */ + { + CCL_EXPR(islower); + if (sf_case_ins()) + CCL_EXPR(isupper); + } +#line 2438 "parse.c" /* yacc.c:1646 */ + break; + + case 79: +#line 894 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isprint); } +#line 2444 "parse.c" /* yacc.c:1646 */ + break; + + case 80: +#line 895 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(ispunct); } +#line 2450 "parse.c" /* yacc.c:1646 */ + break; + + case 81: +#line 896 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isspace); } +#line 2456 "parse.c" /* yacc.c:1646 */ + break; + + case 82: +#line 897 "parse.y" /* yacc.c:1646 */ + { CCL_EXPR(isxdigit); } +#line 2462 "parse.c" /* yacc.c:1646 */ + break; + + case 83: +#line 898 "parse.y" /* yacc.c:1646 */ + { + CCL_EXPR(isupper); + if (sf_case_ins()) + CCL_EXPR(islower); + } +#line 2472 "parse.c" /* yacc.c:1646 */ + break; + + case 84: +#line 904 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isalnum); } +#line 2478 "parse.c" /* yacc.c:1646 */ + break; + + case 85: +#line 905 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isalpha); } +#line 2484 "parse.c" /* yacc.c:1646 */ + break; + + case 86: +#line 906 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(IS_BLANK); } +#line 2490 "parse.c" /* yacc.c:1646 */ + break; + + case 87: +#line 907 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(iscntrl); } +#line 2496 "parse.c" /* yacc.c:1646 */ + break; + + case 88: +#line 908 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isdigit); } +#line 2502 "parse.c" /* yacc.c:1646 */ + break; + + case 89: +#line 909 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isgraph); } +#line 2508 "parse.c" /* yacc.c:1646 */ + break; + + case 90: +#line 910 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isprint); } +#line 2514 "parse.c" /* yacc.c:1646 */ + break; + + case 91: +#line 911 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(ispunct); } +#line 2520 "parse.c" /* yacc.c:1646 */ + break; + + case 92: +#line 912 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isspace); } +#line 2526 "parse.c" /* yacc.c:1646 */ + break; + + case 93: +#line 913 "parse.y" /* yacc.c:1646 */ + { CCL_NEG_EXPR(isxdigit); } +#line 2532 "parse.c" /* yacc.c:1646 */ + break; + + case 94: +#line 914 "parse.y" /* yacc.c:1646 */ + { + if ( sf_case_ins() ) + warn(_("[:^lower:] is ambiguous in case insensitive scanner")); + else + CCL_NEG_EXPR(islower); + } +#line 2543 "parse.c" /* yacc.c:1646 */ + break; + + case 95: +#line 920 "parse.y" /* yacc.c:1646 */ + { + if ( sf_case_ins() ) + warn(_("[:^upper:] ambiguous in case insensitive scanner")); + else + CCL_NEG_EXPR(isupper); + } +#line 2554 "parse.c" /* yacc.c:1646 */ + break; + + case 96: +#line 929 "parse.y" /* yacc.c:1646 */ + { + if ( (yyvsp[0]) == nlch ) + rule_has_nl[num_rules] = true; + + ++rulelen; + + if (sf_case_ins() && has_case((yyvsp[0]))) + (yyval) = mkor (mkstate((yyvsp[0])), mkstate(reverse_case((yyvsp[0])))); + else + (yyval) = mkstate ((yyvsp[0])); + + (yyval) = link_machines( (yyvsp[-1]), (yyval)); + } +#line 2572 "parse.c" /* yacc.c:1646 */ + break; + + case 97: +#line 944 "parse.y" /* yacc.c:1646 */ + { (yyval) = mkstate( SYM_EPSILON ); } +#line 2578 "parse.c" /* yacc.c:1646 */ + break; + + +#line 2582 "parse.c" /* yacc.c:1646 */ + default: break; + } + /* User semantic actions sometimes alter yychar, and that requires + that yytoken be updated with the new translation. We take the + approach of translating immediately before every use of yytoken. + One alternative is translating here after every semantic action, + but that translation would be missed if the semantic action invokes + YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or + if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an + incorrect destructor might then be invoked immediately. In the + case of YYERROR or YYBACKUP, subsequent parser actions might lead + to an incorrect destructor call or verbose syntax error message + before the lookahead is translated. */ + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* 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 - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*--------------------------------------. +| yyerrlab -- here on detecting error. | +`--------------------------------------*/ +yyerrlab: + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); + + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (YY_("syntax error")); +#else +# define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \ + yyssp, yytoken) + { + char const *yymsgp = YY_("syntax error"); + int yysyntax_error_status; + yysyntax_error_status = YYSYNTAX_ERROR; + if (yysyntax_error_status == 0) + yymsgp = yymsg; + else if (yysyntax_error_status == 1) + { + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); + if (!yymsg) + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + yysyntax_error_status = 2; + } + else + { + yysyntax_error_status = YYSYNTAX_ERROR; + yymsgp = yymsg; + } + } + yyerror (yymsgp); + if (yysyntax_error_status == 2) + goto yyexhaustedlab; + } +# undef YYSYNTAX_ERROR +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule whose action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (!yypact_value_is_default (yyn)) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN + *++yyvsp = yylval; + YY_IGNORE_MAYBE_UNINITIALIZED_END + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined yyoverflow || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + { + /* Make sure we have latest lookahead translation. See comments at + user semantic actions for why this is necessary. */ + yytoken = YYTRANSLATE (yychar); + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval); + } + /* Do not reclaim the symbols of the rule whose action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + return yyresult; +} +#line 947 "parse.y" /* yacc.c:1906 */ + + + +/* build_eof_action - build the "<<EOF>>" action for the active start + * conditions + */ + +void build_eof_action(void) + { + 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; + + if (previous_continued_action /* && previous action was regular */) + add_action("YY_RULE_SETUP\n"); + + snprintf( action_text, sizeof(action_text), "case YY_STATE_EOF(%s):\n", + scname[scon_stk[i]] ); + add_action( action_text ); + } + } + + line_directive_out(NULL, 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( const char *msg, const char arg[] ) + { + char errmsg[MAXLINE]; + + (void) snprintf( errmsg, sizeof(errmsg), msg, arg ); + synerr( errmsg ); + } + + +/* synerr - report a syntax error */ + +void synerr( const char *str ) + { + syntaxerror = true; + pinpoint_message( str ); + } + + +/* format_warn - write out formatted warning */ + +void format_warn( const char *msg, const char arg[] ) + { + char warn_msg[MAXLINE]; + + snprintf( warn_msg, sizeof(warn_msg), msg, arg ); + warn( warn_msg ); + } + + +/* warn - report a warning, unless -w was given */ + +void warn( const char *str ) + { + line_warning( str, linenum ); + } + +/* format_pinpoint_message - write out a message formatted with one string, + * pinpointing its location + */ + +void format_pinpoint_message( const char *msg, const char arg[] ) + { + char errmsg[MAXLINE]; + + snprintf( errmsg, sizeof(errmsg), msg, arg ); + pinpoint_message( errmsg ); + } + + +/* pinpoint_message - write out a message, pinpointing its location */ + +void pinpoint_message( const char *str ) + { + line_pinpoint( str, linenum ); + } + + +/* line_warning - report a warning at a given line, unless -w was given */ + +void line_warning( const char *str, int line ) + { + char warning[MAXLINE]; + + if ( ! nowarn ) + { + snprintf( warning, sizeof(warning), "warning, %s", str ); + line_pinpoint( warning, line ); + } + } + + +/* line_pinpoint - write out a message, pinpointing it at the given line */ + +void line_pinpoint( const char *str, int line ) + { + fprintf( stderr, "%s:%d: %s\n", infilename, line, str ); + } + + +/* yyerror - eat up an error message from the parser; + * currently, messages are ignore + */ + +void yyerror( const char *msg ) + { + (void)msg; + } |