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/* A Bison parser, made by GNU Bison 2.1. */
/* Skeleton parser for Yacc-like parsing with Bison,
Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
/* 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 "2.1"
/* Skeleton name. */
#define YYSKELETON_NAME "yacc.c"
/* Pure parsers. */
#define YYPURE 1
/* Using locations. */
#define YYLSP_NEEDED 1
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#define yyparse ast_yyparse
#define yylex ast_yylex
#define yyerror ast_yyerror
#define yylval ast_yylval
#define yychar ast_yychar
#define yydebug ast_yydebug
#define yynerrs ast_yynerrs
#define yylloc ast_yylloc
/* Tokens. */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
/* Put the tokens into the symbol table, so that GDB and other debuggers
know about them. */
enum yytokentype {
TOK_COLONCOLON = 258,
TOK_COND = 259,
TOK_OR = 260,
TOK_AND = 261,
TOK_NE = 262,
TOK_LE = 263,
TOK_GE = 264,
TOK_LT = 265,
TOK_GT = 266,
TOK_EQ = 267,
TOK_MINUS = 268,
TOK_PLUS = 269,
TOK_MOD = 270,
TOK_DIV = 271,
TOK_MULT = 272,
TOK_COMPL = 273,
TOK_EQTILDE = 274,
TOK_COLON = 275,
TOK_LP = 276,
TOK_RP = 277,
TOKEN = 278
};
#endif
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#define TOK_COLONCOLON 258
#define TOK_COND 259
#define TOK_OR 260
#define TOK_AND 261
#define TOK_NE 262
#define TOK_LE 263
#define TOK_GE 264
#define TOK_LT 265
#define TOK_GT 266
#define TOK_EQ 267
#define TOK_MINUS 268
#define TOK_PLUS 269
#define TOK_MOD 270
#define TOK_DIV 271
#define TOK_MULT 272
#define TOK_COMPL 273
#define TOK_EQTILDE 274
#define TOK_COLON 275
#define TOK_LP 276
#define TOK_RP 277
#define TOKEN 278
/* Copy the first part of user declarations. */
#line 1 "ast_expr2.y"
/* Written by Pace Willisson (pace@blitz.com)
* and placed in the public domain.
*
* Largely rewritten by J.T. Conklin (jtc@wimsey.com)
*
* And then overhauled twice by Steve Murphy (murf@e-tools.com)
* to add double-quoted strings, allow mult. spaces, improve
* error messages, and then to fold in a flex scanner for the
* yylex operation.
*
* $FreeBSD: src/bin/expr/expr.y,v 1.16 2000/07/22 10:59:36 se Exp $
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <locale.h>
#include <ctype.h>
#include <err.h>
#else
#define quad_t int64_t
#endif
#include <errno.h>
#include <regex.h>
#include <limits.h>
#include <asterisk/ast_expr.h>
#include <asterisk/logger.h>
#if defined(LONG_LONG_MIN) && !defined(QUAD_MIN)
#define QUAD_MIN LONG_LONG_MIN
#endif
#if defined(LONG_LONG_MAX) && !defined(QUAD_MAX)
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#define QUAD_MAX LONG_LONG_MAX
#endif
# if ! defined(QUAD_MIN)
# define QUAD_MIN (-0x7fffffffffffffffLL-1)
# endif
# if ! defined(QUAD_MAX)
# define QUAD_MAX (0x7fffffffffffffffLL)
# endif
#define YYPARSE_PARAM parseio
#define YYLEX_PARAM ((struct parse_io *)parseio)->scanner
#define YYERROR_VERBOSE 1
enum valtype {
AST_EXPR_integer, AST_EXPR_numeric_string, AST_EXPR_string
} ;
#ifdef STANDALONE
void ast_log(int level, const char *file, int line, const char *function, const char *fmt, ...) __attribute__ ((format (printf,5,6)));
#endif
struct val {
enum valtype type;
union {
char *s;
quad_t i;
} u;
} ;
typedef void *yyscan_t;
struct parse_io
{
char *string;
struct val *val;
yyscan_t scanner;
};
static int chk_div __P((quad_t, quad_t));
static int chk_minus __P((quad_t, quad_t, quad_t));
static int chk_plus __P((quad_t, quad_t, quad_t));
static int chk_times __P((quad_t, quad_t, quad_t));
static void free_value __P((struct val *));
static int is_zero_or_null __P((struct val *));
static int isstring __P((struct val *));
static struct val *make_integer __P((quad_t));
static struct val *make_str __P((const char *));
static struct val *op_and __P((struct val *, struct val *));
static struct val *op_colon __P((struct val *, struct val *));
static struct val *op_eqtilde __P((struct val *, struct val *));
static struct val *op_div __P((struct val *, struct val *));
static struct val *op_eq __P((struct val *, struct val *));
static struct val *op_ge __P((struct val *, struct val *));
static struct val *op_gt __P((struct val *, struct val *));
static struct val *op_le __P((struct val *, struct val *));
static struct val *op_lt __P((struct val *, struct val *));
static struct val *op_cond __P((struct val *, struct val *, struct val *));
static struct val *op_minus __P((struct val *, struct val *));
static struct val *op_negate __P((struct val *));
static struct val *op_compl __P((struct val *));
static struct val *op_ne __P((struct val *, struct val *));
static struct val *op_or __P((struct val *, struct val *));
static struct val *op_plus __P((struct val *, struct val *));
static struct val *op_rem __P((struct val *, struct val *));
static struct val *op_times __P((struct val *, struct val *));
static quad_t to_integer __P((struct val *));
static void to_string __P((struct val *));
/* uh, if I want to predeclare yylex with a YYLTYPE, I have to predeclare the yyltype... sigh */
typedef struct yyltype
{
int first_line;
int first_column;
int last_line;
int last_column;
} yyltype;
# define YYLTYPE yyltype
# define YYLTYPE_IS_TRIVIAL 1
/* we will get warning about no prototype for yylex! But we can't
define it here, we have no definition yet for YYSTYPE. */
int ast_yyerror(const char *,YYLTYPE *, struct parse_io *);
/* I wanted to add args to the yyerror routine, so I could print out
some useful info about the error. Not as easy as it looks, but it
is possible. */
#define ast_yyerror(x) ast_yyerror(x,&yyloc,parseio)
#define DESTROY(x) { \
if ((x)->type == AST_EXPR_numeric_string || (x)->type == AST_EXPR_string) \
free((x)->u.s); \
(x)->u.s = 0; \
free(x); \
}
/* Enabling traces. */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif
/* Enabling verbose error messages. */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif
/* Enabling the token table. */
#ifndef YYTOKEN_TABLE
# define YYTOKEN_TABLE 0
#endif
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
typedef union YYSTYPE {
struct val *val;
} YYSTYPE;
/* Line 196 of yacc.c. */
#line 277 "ast_expr2.c"
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif
#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
typedef struct YYLTYPE
{
int first_line;
int first_column;
int last_line;
int last_column;
} YYLTYPE;
# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
#endif
/* Copy the second part of user declarations. */
extern int ast_yylex __P((YYSTYPE *, YYLTYPE *, yyscan_t));
/* Line 219 of yacc.c. */
#line 304 "ast_expr2.c"
#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#endif
#ifndef YY_
# if 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
#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
# if defined (__STDC__) || defined (__cplusplus)
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# define YYINCLUDED_STDLIB_H
# 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 2005 */
# endif
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
# ifndef YYSTACK_ALLOC_MAXIMUM
# define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
# endif
# ifdef __cplusplus
extern "C" {
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
# if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
&& (defined (__STDC__) || defined (__cplusplus)))
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifndef YYFREE
# define YYFREE free
# if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
&& (defined (__STDC__) || defined (__cplusplus)))
void free (void *); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifdef __cplusplus
}
# endif
# endif
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
#if (! defined (yyoverflow) \
&& (! defined (__cplusplus) \
|| (defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
&& defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
short int yyss;
YYSTYPE yyvs;
YYLTYPE yyls;
};
/* 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 (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ 2 * YYSTACK_GAP_MAXIMUM)
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
# if defined (__GNUC__) && 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
# define YYCOPY(To, From, Count) \
do \
{ \
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for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
while (0)
# endif
# endif
/* 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) \
do \
{ \
YYSIZE_T yynewbytes; \
YYCOPY (&yyptr->Stack, Stack, yysize); \
Stack = &yyptr->Stack; \
yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
yyptr += yynewbytes / sizeof (*yyptr); \
} \
while (0)
#endif
#if defined (__STDC__) || defined (__cplusplus)
typedef signed char yysigned_char;
#else
typedef short int yysigned_char;
#endif
/* YYFINAL -- State number of the termination state. */
#define YYFINAL 10
/* YYLAST -- Last index in YYTABLE. */
#define YYLAST 140
/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS 24
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS 3
/* YYNRULES -- Number of rules. */
#define YYNRULES 22
/* YYNRULES -- Number of states. */
#define YYNSTATES 46
/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
#define YYUNDEFTOK 2
#define YYMAXUTOK 278
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((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
static const unsigned char yytranslate[] =
{
0, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 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
};
#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
YYRHS. */
static const unsigned char yyprhs[] =
{
0, 0, 3, 5, 7, 11, 15, 19, 23, 27,
31, 35, 39, 43, 47, 51, 54, 57, 61, 65,
69, 73, 77
};
/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
25, 0, -1, 26, -1, 23, -1, 21, 26, 22,
-1, 26, 5, 26, -1, 26, 6, 26, -1, 26,
12, 26, -1, 26, 11, 26, -1, 26, 10, 26,
-1, 26, 9, 26, -1, 26, 8, 26, -1, 26,
7, 26, -1, 26, 14, 26, -1, 26, 13, 26,
-1, 13, 26, -1, 18, 26, -1, 26, 17, 26,
-1, 26, 16, 26, -1, 26, 15, 26, -1, 26,
20, 26, -1, 26, 19, 26, -1, 26, 4, 26,
3, 26, -1
};
/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
static const unsigned char yyrline[] =
{
0, 165, 165, 175, 176, 180, 184, 188, 192, 196,
200, 204, 208, 212, 216, 220, 224, 228, 232, 236,
240, 244, 248
};
#endif
#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
/* 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", "TOK_COLONCOLON", "TOK_COND", "TOK_OR",
"TOK_AND", "TOK_NE", "TOK_LE", "TOK_GE", "TOK_LT", "TOK_GT", "TOK_EQ",
"TOK_MINUS", "TOK_PLUS", "TOK_MOD", "TOK_DIV", "TOK_MULT", "TOK_COMPL",
"TOK_EQTILDE", "TOK_COLON", "TOK_LP", "TOK_RP", "TOKEN", "$accept",
"start", "expr", 0
};
#endif
# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
token YYLEX-NUM. */
static const unsigned short int yytoknum[] =
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566
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568
569
570
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675
676
{
0, 256, 257, 258, 259, 260, 261, 262, 263, 264,
265, 266, 267, 268, 269, 270, 271, 272, 273, 274,
275, 276, 277, 278
};
# endif
/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
static const unsigned char yyr1[] =
{
0, 24, 25, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26
};
/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
static const unsigned char yyr2[] =
{
0, 2, 1, 1, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 2, 2, 3, 3, 3,
3, 3, 5
};
/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
STATE-NUM when YYTABLE doesn't specify something else to do. Zero
means the default is an error. */
static const unsigned char yydefact[] =
{
0, 0, 0, 0, 3, 0, 2, 15, 16, 0,
1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 4, 0, 5,
6, 12, 11, 10, 9, 8, 7, 14, 13, 19,
18, 17, 21, 20, 0, 22
};
/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] =
{
-1, 5, 6
};
/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
STATE-NUM. */
#define YYPACT_NINF -13
static const yysigned_char yypact[] =
{
109, 109, 109, 109, -13, 6, 59, 106, 106, 22,
-13, 109, 109, 109, 109, 109, 109, 109, 109, 109,
109, 109, 109, 109, 109, 109, 109, -13, 42, 90,
104, 120, 120, 120, 120, 120, 120, -12, -12, 106,
106, 106, -13, -13, 109, 75
};
/* YYPGOTO[NTERM-NUM]. */
static const yysigned_char yypgoto[] =
{
-13, -13, -1
};
/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
positive, shift that token. If negative, reduce the rule which
number is the opposite. If zero, do what YYDEFACT says.
If YYTABLE_NINF, syntax error. */
#define YYTABLE_NINF -1
static const unsigned char yytable[] =
{
7, 8, 9, 22, 23, 24, 10, 25, 26, 0,
28, 29, 30, 31, 32, 33, 34, 35, 36, 37,
38, 39, 40, 41, 42, 43, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
0, 25, 26, 45, 27, 44, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24,
0, 25, 26, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 0, 25, 26,
12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
22, 23, 24, 0, 25, 26, 13, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23, 24, 0, 25,
26, 14, 15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 1, 25, 26, 25, 26, 2, 0, 0,
3, 0, 4, 20, 21, 22, 23, 24, 0, 25,
26
};
static const yysigned_char yycheck[] =
{
1, 2, 3, 15, 16, 17, 0, 19, 20, -1,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
-1, 19, 20, 44, 22, 3, 4, 5, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
-1, 19, 20, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, -1, 19, 20,
5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, -1, 19, 20, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, -1, 19,
20, 7, 8, 9, 10, 11, 12, 13, 14, 15,
16, 17, 13, 19, 20, 19, 20, 18, -1, -1,
21, -1, 23, 13, 14, 15, 16, 17, -1, 19,
20
};
/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
symbol of state STATE-NUM. */
static const unsigned char yystos[] =
{
0, 13, 18, 21, 23, 25, 26, 26, 26, 26,
0, 4, 5, 6, 7, 8, 9, 10, 11, 12,
13, 14, 15, 16, 17, 19, 20, 22, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 3, 26
};
#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
/* 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); \
yytoken = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
{ \
yyerror (YY_("syntax error: cannot back up")); \
YYERROR; \
} \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
If N is 0, then set CURRENT to the empty location which ends
the previous symbol: RHS[0] (always defined). */
#define YYRHSLOC(Rhs, K) ((Rhs)[K])
#ifndef YYLLOC_DEFAULT
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# define YYLLOC_DEFAULT(Current, Rhs, N) \
do \
if (N) \
{ \
(Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
(Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
(Current).last_line = YYRHSLOC (Rhs, N).last_line; \
(Current).last_column = YYRHSLOC (Rhs, N).last_column; \
} \
else \
{ \
(Current).first_line = (Current).last_line = \
YYRHSLOC (Rhs, 0).last_line; \
(Current).first_column = (Current).last_column = \
YYRHSLOC (Rhs, 0).last_column; \
} \
while (0)
#endif
/* YY_LOCATION_PRINT -- Print the location on the stream.
This macro was not mandated originally: define only if we know
we won't break user code: when these are the locations we know. */
#ifndef YY_LOCATION_PRINT
# if YYLTYPE_IS_TRIVIAL
# define YY_LOCATION_PRINT(File, Loc) \
fprintf (File, "%d.%d-%d.%d", \
(Loc).first_line, (Loc).first_column, \
(Loc).last_line, (Loc).last_column)
# else
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
# endif
#endif
/* YYLEX -- calling `yylex' with the right arguments. */
#ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
#else
# define YYLEX yylex (&yylval, &yylloc)
#endif
/* 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)
do { \
if (yydebug) \
{ \
YYFPRINTF (stderr, "%s ", Title); \
YYFPRINTF (stderr, "\n"); \
} \
} while (0)
/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
| TOP (included). |
`------------------------------------------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yy_stack_print (short int *bottom, short int *top)
#else
static void
yy_stack_print (bottom, top)
short int *bottom;
short int *top;
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802
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#endif
{
YYFPRINTF (stderr, "Stack now");
for (/* Nothing. */; bottom <= top; ++bottom)
YYFPRINTF (stderr, " %d", *bottom);
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. |
`------------------------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yy_reduce_print (int yyrule)
#else
static void
yy_reduce_print (yyrule)
int yyrule;
#endif
{
int yyi;
unsigned long int yylno = yyrline[yyrule];
YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu), ",
yyrule - 1, yylno);
/* Print the symbols being reduced, and their result. */
for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]);
}
# define YY_REDUCE_PRINT(Rule) \
do { \
if (yydebug) \
yy_reduce_print (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_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
# if defined (__STDC__) || defined (__cplusplus)
yystrlen (const char *yystr)
# else
yystrlen (yystr)
const char *yystr;
# endif
{
while (*yys++ != '\0')
continue;
return yys - yystr - 1;
}
# 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 *
# if defined (__STDC__) || defined (__cplusplus)
yystpcpy (char *yydest, const char *yysrc)
# else
yystpcpy (yydest, yysrc)
char *yydest;
const char *yysrc;
# endif
{
char *yyd = yydest;
const char *yys = yysrc;
while ((*yyd++ = *yys++) != '\0')
continue;
return yyd - 1;
}
# endif
# endif
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# 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 == '"')
{
size_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
#endif /* YYERROR_VERBOSE */
#if YYDEBUG
/*--------------------------------.
| Print this symbol on YYOUTPUT. |
`--------------------------------*/
#if defined (__STDC__) || defined (__cplusplus)
static void
yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp)
#else
static void
yysymprint (yyoutput, yytype, yyvaluep, yylocationp)
FILE *yyoutput;
int yytype;
YYSTYPE *yyvaluep;
YYLTYPE *yylocationp;
#endif
{
/* Pacify ``unused variable'' warnings. */
(void) yyvaluep;
(void) yylocationp;
if (yytype < YYNTOKENS)
else
YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);