home *** CD-ROM | disk | FTP | other *** search
- /* A Bison parser, made by GNU Bison 2.3a. */
-
- /* Skeleton implementation for Bison's Yacc-like parsers in C
-
- Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
- 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, 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 "2.3a"
-
- /* Skeleton name. */
- #define YYSKELETON_NAME "yacc.c"
-
- /* Pure parsers. */
- #define YYPURE 1
-
- /* Using locations. */
- #define YYLSP_NEEDED 0
-
- /* Substitute the variable and function names. */
- #define yyparse __gettextparse
- #define yylex __gettextlex
- #define yyerror __gettexterror
- #define yylval __gettextlval
- #define yychar __gettextchar
- #define yydebug __gettextdebug
- #define yynerrs __gettextnerrs
-
-
- /* Copy the first part of user declarations. */
- /* Line 164 of yacc.c. */
- #line 1 "plural.y"
-
- /* Expression parsing for plural form selection.
- Copyright (C) 2000-2001, 2003, 2005-2006 Free Software Foundation, Inc.
- Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
-
- This program is free software; you can redistribute it and/or modify it
- under the terms of the GNU Library 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
- Library General Public License for more details.
-
- You should have received a copy of the GNU Library 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. */
-
- /* For bison < 2.0, the bison generated parser uses alloca. AIX 3 forces us
- to put this declaration at the beginning of the file. The declaration in
- bison's skeleton file comes too late. This must come before <config.h>
- because <config.h> may include arbitrary system headers.
- This can go away once the AM_INTL_SUBDIR macro requires bison >= 2.0. */
- #if defined _AIX && !defined __GNUC__
- #pragma alloca
- #endif
-
- #ifdef HAVE_CONFIG_H
- # include <config.h>
- #endif
-
- #include <stddef.h>
- #include <stdlib.h>
- #include <string.h>
- #include "plural-exp.h"
-
- /* The main function generated by the parser is called __gettextparse,
- but we want it to be called PLURAL_PARSE. */
- #ifndef _LIBC
- # define __gettextparse PLURAL_PARSE
- #endif
-
- #define YYLEX_PARAM &((struct parse_args *) arg)->cp
- #define YYPARSE_PARAM arg
-
-
- /* 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
-
-
- /* Tokens. */
- #ifndef YYTOKENTYPE
- # define YYTOKENTYPE
- /* Put the tokens into the symbol table, so that GDB and other debuggers
- know about them. */
- enum yytokentype {
- EQUOP2 = 258,
- CMPOP2 = 259,
- ADDOP2 = 260,
- MULOP2 = 261,
- NUMBER = 262
- };
- #endif
- /* Tokens. */
- #define EQUOP2 258
- #define CMPOP2 259
- #define ADDOP2 260
- #define MULOP2 261
- #define NUMBER 262
-
-
-
-
- #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
- typedef union YYSTYPE
- {/* Line 191 of yacc.c. */
- #line 51 "plural.y"
-
- unsigned long int num;
- enum expression_operator op;
- struct expression *exp;
- }
- /* Line 191 of yacc.c. */
- #line 175 "plural.c"
- YYSTYPE;
- # define YYSTYPE_IS_TRIVIAL 1
- # define yystype YYSTYPE /* obsolescent; will be withdrawn */
- # define YYSTYPE_IS_DECLARED 1
- #endif
-
-
-
-
- /* Copy the second part of user declarations. */
- /* Line 221 of yacc.c. */
- #line 57 "plural.y"
-
- /* Prototypes for local functions. */
- static int yylex (YYSTYPE *lval, const char **pexp);
- static void yyerror (const char *str);
-
- /* Allocation of expressions. */
-
- static struct expression *
- new_exp (int nargs, enum expression_operator op,
- struct expression * const *args)
- {
- int i;
- struct expression *newp;
-
- /* If any of the argument could not be malloc'ed, just return NULL. */
- for (i = nargs - 1; i >= 0; i--)
- if (args[i] == NULL)
- goto fail;
-
- /* Allocate a new expression. */
- newp = (struct expression *) malloc (sizeof (*newp));
- if (newp != NULL)
- {
- newp->nargs = nargs;
- newp->operation = op;
- for (i = nargs - 1; i >= 0; i--)
- newp->val.args[i] = args[i];
- return newp;
- }
-
- fail:
- for (i = nargs - 1; i >= 0; i--)
- FREE_EXPRESSION (args[i]);
-
- return NULL;
- }
-
- static inline struct expression *
- new_exp_0 (enum expression_operator op)
- {
- return new_exp (0, op, NULL);
- }
-
- static inline struct expression *
- new_exp_1 (enum expression_operator op, struct expression *right)
- {
- struct expression *args[1];
-
- args[0] = right;
- return new_exp (1, op, args);
- }
-
- static struct expression *
- new_exp_2 (enum expression_operator op, struct expression *left,
- struct expression *right)
- {
- struct expression *args[2];
-
- args[0] = left;
- args[1] = right;
- return new_exp (2, op, args);
- }
-
- static inline struct expression *
- new_exp_3 (enum expression_operator op, struct expression *bexp,
- struct expression *tbranch, struct expression *fbranch)
- {
- struct expression *args[3];
-
- args[0] = bexp;
- args[1] = tbranch;
- args[2] = fbranch;
- return new_exp (3, op, args);
- }
-
-
- /* Line 221 of yacc.c. */
- #line 265 "plural.c"
-
- #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;
- #elif (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- typedef signed char yytype_int8;
- #else
- typedef short int 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 && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- # 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 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
-
- /* Suppress unused-variable warnings by "using" E. */
- #if ! defined lint || defined __GNUC__
- # define YYUSE(e) ((void) (e))
- #else
- # define YYUSE(e) /* empty */
- #endif
-
- /* Identity function, used to suppress warnings about constant conditions. */
- #ifndef lint
- # define YYID(n) (n)
- #else
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static int
- YYID (int yyi)
- #else
- static int
- YYID (yyi)
- int yyi;
- #endif
- {
- return yyi;
- }
- #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 _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
- # ifndef _STDLIB_H
- # define _STDLIB_H 1
- # endif
- # endif
- # endif
- # endif
- # endif
-
- # ifdef YYSTACK_ALLOC
- /* Pacify GCC's `empty if-body' warning. */
- # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (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 _STDLIB_H \
- && ! ((defined YYMALLOC || defined malloc) \
- && (defined YYFREE || defined free)))
- # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
- # ifndef _STDLIB_H
- # define _STDLIB_H 1
- # endif
- # endif
- # ifndef YYMALLOC
- # define YYMALLOC malloc
- # if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
- # endif
- # endif
- # ifndef YYFREE
- # define YYFREE free
- # if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- 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;
- YYSTYPE yyvs;
- };
-
- /* 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)
-
- /* 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 \
- { \
- YYSIZE_T yyi; \
- for (yyi = 0; yyi < (Count); yyi++) \
- (To)[yyi] = (From)[yyi]; \
- } \
- while (YYID (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 (YYID (0))
-
- #endif
-
- /* YYFINAL -- State number of the termination state. */
- #define YYFINAL 9
- /* YYLAST -- Last index in YYTABLE. */
- #define YYLAST 54
-
- /* YYNTOKENS -- Number of terminals. */
- #define YYNTOKENS 16
- /* YYNNTS -- Number of nonterminals. */
- #define YYNNTS 3
- /* YYNRULES -- Number of rules. */
- #define YYNRULES 13
- /* YYNRULES -- Number of states. */
- #define YYNSTATES 27
-
- /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
- #define YYUNDEFTOK 2
- #define YYMAXUTOK 262
-
- #define YYTRANSLATE(YYX) \
- ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
-
- /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
- static const yytype_uint8 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, 10, 2, 2, 2, 2, 5, 2,
- 14, 15, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 12, 2,
- 2, 2, 2, 3, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 13, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 4, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 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, 6, 7,
- 8, 9, 11
- };
-
- #if YYDEBUG
- /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
- YYRHS. */
- static const yytype_uint8 yyprhs[] =
- {
- 0, 0, 3, 5, 11, 15, 19, 23, 27, 31,
- 35, 38, 40, 42
- };
-
- /* YYRHS -- A `-1'-separated list of the rules' RHS. */
- static const yytype_int8 yyrhs[] =
- {
- 17, 0, -1, 18, -1, 18, 3, 18, 12, 18,
- -1, 18, 4, 18, -1, 18, 5, 18, -1, 18,
- 6, 18, -1, 18, 7, 18, -1, 18, 8, 18,
- -1, 18, 9, 18, -1, 10, 18, -1, 13, -1,
- 11, -1, 14, 18, 15, -1
- };
-
- /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
- static const yytype_uint8 yyrline[] =
- {
- 0, 154, 154, 162, 166, 170, 174, 178, 182, 186,
- 190, 194, 198, 203
- };
- #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", "'?'", "'|'", "'&'", "EQUOP2", "CMPOP2",
- "ADDOP2", "MULOP2", "'!'", "NUMBER", "':'", "'n'", "'('", "')'",
- "$accept", "start", "exp", 0
- };
- #endif
-
- # ifdef YYPRINT
- /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
- token YYLEX-NUM. */
- static const yytype_uint16 yytoknum[] =
- {
- 0, 256, 257, 63, 124, 38, 258, 259, 260, 261,
- 33, 262, 58, 110, 40, 41
- };
- # endif
-
- /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
- static const yytype_uint8 yyr1[] =
- {
- 0, 16, 17, 18, 18, 18, 18, 18, 18, 18,
- 18, 18, 18, 18
- };
-
- /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
- static const yytype_uint8 yyr2[] =
- {
- 0, 2, 1, 5, 3, 3, 3, 3, 3, 3,
- 2, 1, 1, 3
- };
-
- /* 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 yytype_uint8 yydefact[] =
- {
- 0, 0, 12, 11, 0, 0, 2, 10, 0, 1,
- 0, 0, 0, 0, 0, 0, 0, 13, 0, 4,
- 5, 6, 7, 8, 9, 0, 3
- };
-
- /* YYDEFGOTO[NTERM-NUM]. */
- static const yytype_int8 yydefgoto[] =
- {
- -1, 5, 6
- };
-
- /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
- STATE-NUM. */
- #define YYPACT_NINF -10
- static const yytype_int8 yypact[] =
- {
- -9, -9, -10, -10, -9, 8, 36, -10, 13, -10,
- -9, -9, -9, -9, -9, -9, -9, -10, 26, 41,
- 45, 18, -2, 14, -10, -9, 36
- };
-
- /* YYPGOTO[NTERM-NUM]. */
- static const yytype_int8 yypgoto[] =
- {
- -10, -10, -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 yytype_uint8 yytable[] =
- {
- 7, 1, 2, 8, 3, 4, 15, 16, 9, 18,
- 19, 20, 21, 22, 23, 24, 10, 11, 12, 13,
- 14, 15, 16, 16, 26, 14, 15, 16, 17, 10,
- 11, 12, 13, 14, 15, 16, 0, 0, 25, 10,
- 11, 12, 13, 14, 15, 16, 12, 13, 14, 15,
- 16, 13, 14, 15, 16
- };
-
- static const yytype_int8 yycheck[] =
- {
- 1, 10, 11, 4, 13, 14, 8, 9, 0, 10,
- 11, 12, 13, 14, 15, 16, 3, 4, 5, 6,
- 7, 8, 9, 9, 25, 7, 8, 9, 15, 3,
- 4, 5, 6, 7, 8, 9, -1, -1, 12, 3,
- 4, 5, 6, 7, 8, 9, 5, 6, 7, 8,
- 9, 6, 7, 8, 9
- };
-
- /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
- symbol of state STATE-NUM. */
- static const yytype_uint8 yystos[] =
- {
- 0, 10, 11, 13, 14, 17, 18, 18, 18, 0,
- 3, 4, 5, 6, 7, 8, 9, 15, 18, 18,
- 18, 18, 18, 18, 18, 12, 18
- };
-
- #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 (1); \
- goto yybackup; \
- } \
- else \
- { \
- yyerror (YY_("syntax error: cannot back up")); \
- YYERROR; \
- } \
- while (YYID (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
- # define YYLLOC_DEFAULT(Current, Rhs, N) \
- do \
- if (YYID (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 (YYID (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, YYLEX_PARAM)
- #else
- # define YYLEX yylex (&yylval)
- #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 (YYID (0))
-
- # 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 (YYID (0))
-
-
- /*--------------------------------.
- | Print this symbol on YYOUTPUT. |
- `--------------------------------*/
-
- /*ARGSUSED*/
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static void
- yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
- #else
- static void
- yy_symbol_value_print (yyoutput, yytype, yyvaluep)
- FILE *yyoutput;
- int yytype;
- YYSTYPE const * const yyvaluep;
- #endif
- {
- if (!yyvaluep)
- return;
- # ifdef YYPRINT
- if (yytype < YYNTOKENS)
- YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
- # else
- YYUSE (yyoutput);
- # endif
- switch (yytype)
- {
- default:
- break;
- }
- }
-
-
- /*--------------------------------.
- | Print this symbol on YYOUTPUT. |
- `--------------------------------*/
-
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static void
- yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
- #else
- static void
- yy_symbol_print (yyoutput, yytype, yyvaluep)
- FILE *yyoutput;
- int yytype;
- YYSTYPE const * const yyvaluep;
- #endif
- {
- if (yytype < YYNTOKENS)
- YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
- else
- YYFPRINTF (yyoutput, "nterm %s (", 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). |
- `------------------------------------------------------------------*/
-
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static void
- yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop)
- #else
- static void
- yy_stack_print (yybottom, yytop)
- yytype_int16 *yybottom;
- yytype_int16 *yytop;
- #endif
- {
- 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 (YYID (0))
-
-
- /*------------------------------------------------.
- | Report that the YYRULE is going to be reduced. |
- `------------------------------------------------*/
-
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static void
- yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
- #else
- static void
- yy_reduce_print (yyvsp, yyrule)
- YYSTYPE *yyvsp;
- int yyrule;
- #endif
- {
- int yynrhs = yyr2[yyrule];
- int yyi;
- unsigned long int yylno = yyrline[yyrule];
- YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
- yyrule - 1, yylno);
- /* The symbols being reduced. */
- for (yyi = 0; yyi < yynrhs; yyi++)
- {
- fprintf (stderr, " $%d = ", yyi + 1);
- yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
- &(yyvsp[(yyi + 1) - (yynrhs)])
- );
- fprintf (stderr, "\n");
- }
- }
-
- # define YY_REDUCE_PRINT(Rule) \
- do { \
- if (yydebug) \
- yy_reduce_print (yyvsp, Rule); \
- } while (YYID (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. */
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static YYSIZE_T
- yystrlen (const char *yystr)
- #else
- static YYSIZE_T
- yystrlen (yystr)
- const char *yystr;
- #endif
- {
- 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. */
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static char *
- yystpcpy (char *yydest, const char *yysrc)
- #else
- static char *
- 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
-
- # 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 YYRESULT an error message about the unexpected token
- YYCHAR while in state YYSTATE. Return the number of bytes copied,
- including the terminating null byte. If YYRESULT is null, do not
- copy anything; just return the number of bytes that would be
- copied. As a special case, return 0 if an ordinary "syntax error"
- message will do. Return YYSIZE_MAXIMUM if overflow occurs during
- size calculation. */
- static YYSIZE_T
- yysyntax_error (char *yyresult, int yystate, int yychar)
- {
- int yyn = yypact[yystate];
-
- if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
- return 0;
- else
- {
- int yytype = YYTRANSLATE (yychar);
- YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
- YYSIZE_T yysize = yysize0;
- YYSIZE_T yysize1;
- int yysize_overflow = 0;
- enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
- char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
- int yyx;
-
- # if 0
- /* This is so xgettext sees the translatable formats that are
- constructed on the fly. */
- YY_("syntax error, unexpected %s");
- YY_("syntax error, unexpected %s, expecting %s");
- YY_("syntax error, unexpected %s, expecting %s or %s");
- YY_("syntax error, unexpected %s, expecting %s or %s or %s");
- YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
- # endif
- char *yyfmt;
- char const *yyf;
- static char const yyunexpected[] = "syntax error, unexpected %s";
- static char const yyexpecting[] = ", expecting %s";
- static char const yyor[] = " or %s";
- char yyformat[sizeof yyunexpected
- + sizeof yyexpecting - 1
- + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
- * (sizeof yyor - 1))];
- char const *yyprefix = yyexpecting;
-
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. */
- 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 yycount = 1;
-
- yyarg[0] = yytname[yytype];
- yyfmt = yystpcpy (yyformat, yyunexpected);
-
- for (yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
- {
- if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
- {
- yycount = 1;
- yysize = yysize0;
- yyformat[sizeof yyunexpected - 1] = '\0';
- break;
- }
- yyarg[yycount++] = yytname[yyx];
- yysize1 = yysize + yytnamerr (0, yytname[yyx]);
- yysize_overflow |= (yysize1 < yysize);
- yysize = yysize1;
- yyfmt = yystpcpy (yyfmt, yyprefix);
- yyprefix = yyor;
- }
-
- yyf = YY_(yyformat);
- yysize1 = yysize + yystrlen (yyf);
- yysize_overflow |= (yysize1 < yysize);
- yysize = yysize1;
-
- if (yysize_overflow)
- return YYSIZE_MAXIMUM;
-
- if (yyresult)
- {
- /* 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 = yyresult;
- int yyi = 0;
- while ((*yyp = *yyf) != '\0')
- {
- if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
- {
- yyp += yytnamerr (yyp, yyarg[yyi++]);
- yyf += 2;
- }
- else
- {
- yyp++;
- yyf++;
- }
- }
- }
- return yysize;
- }
- }
- #endif /* YYERROR_VERBOSE */
-
-
- /*-----------------------------------------------.
- | Release the memory associated to this symbol. |
- `-----------------------------------------------*/
-
- /*ARGSUSED*/
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- static void
- yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
- #else
- static void
- yydestruct (yymsg, yytype, yyvaluep)
- const char *yymsg;
- int yytype;
- YYSTYPE *yyvaluep;
- #endif
- {
- YYUSE (yyvaluep);
-
- if (!yymsg)
- yymsg = "Deleting";
- YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
-
- switch (yytype)
- {
-
- default:
- break;
- }
- }
-
-
- /* Prevent warnings from -Wmissing-prototypes. */
-
- #ifdef YYPARSE_PARAM
- #if defined __STDC__ || defined __cplusplus
- int yyparse (void *YYPARSE_PARAM);
- #else
- int yyparse ();
- #endif
- #else /* ! YYPARSE_PARAM */
- #if defined __STDC__ || defined __cplusplus
- int yyparse (void);
- #else
- int yyparse ();
- #endif
- #endif /* ! YYPARSE_PARAM */
-
-
-
-
-
-
- /*----------.
- | yyparse. |
- `----------*/
-
- #ifdef YYPARSE_PARAM
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- int
- yyparse (void *YYPARSE_PARAM)
- #else
- int
- yyparse (YYPARSE_PARAM)
- void *YYPARSE_PARAM;
- #endif
- #else /* ! YYPARSE_PARAM */
- #if (defined __STDC__ || defined __C99__FUNC__ \
- || defined __cplusplus || defined _MSC_VER)
- int
- yyparse (void)
- #else
- int
- yyparse ()
-
- #endif
- #endif
- {
- /* The lookahead symbol. */
- int yychar;
-
- /* The semantic value of the lookahead symbol. */
- YYSTYPE yylval;
-
- /* Number of syntax errors so far. */
- int yynerrs;
-
- int yystate;
- int yyn;
- int yyresult;
- /* Number of tokens to shift before error messages enabled. */
- int yyerrstatus;
- /* Lookahead token as an internal (translated) token number. */
- int yytoken = 0;
- #if YYERROR_VERBOSE
- /* Buffer for error messages, and its allocated size. */
- char yymsgbuf[128];
- char *yymsg = yymsgbuf;
- YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
- #endif
-
- /* Three stacks and their tools:
- `yyss': related to states,
- `yyvs': related to semantic values,
- `yyls': related to locations.
-
- Refer to the stacks thru separate pointers, to allow yyoverflow
- to reallocate them elsewhere. */
-
- /* The state stack. */
- yytype_int16 yyssa[YYINITDEPTH];
- yytype_int16 *yyss = yyssa;
- yytype_int16 *yyssp;
-
- /* The semantic value stack. */
- YYSTYPE yyvsa[YYINITDEPTH];
- YYSTYPE *yyvs = yyvsa;
- YYSTYPE *yyvsp;
-
-
-
- #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N))
-
- YYSIZE_T yystacksize = YYINITDEPTH;
-
- /* The variables used to return semantic value and location from the
- action routines. */
- YYSTYPE yyval;
-
-
- /* The number of symbols on the RHS of the reduced rule.
- Keep to zero when no symbol should be popped. */
- int yylen = 0;
-
- YYDPRINTF ((stderr, "Starting parse\n"));
-
- yystate = 0;
- yyerrstatus = 0;
- yynerrs = 0;
- yychar = YYEMPTY; /* Cause a token to be read. */
-
- /* Initialize stack pointers.
- Waste one element of value and location stack
- so that they stay on the same level as the state stack.
- The wasted elements are never initialized. */
-
- yyssp = yyss;
- yyvsp = yyvs;
-
- 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);
- YYSTACK_RELOCATE (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 (yyn == YYPACT_NINF)
- 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 (yyn == 0 || yyn == YYTABLE_NINF)
- 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;
- *++yyvsp = yylval;
-
- 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 1269 of yacc.c. */
- #line 155 "plural.y"
- {
- if ((yyvsp[(1) - (1)].exp) == NULL)
- YYABORT;
- ((struct parse_args *) arg)->res = (yyvsp[(1) - (1)].exp);
- }
- break;
-
- case 3:
- /* Line 1269 of yacc.c. */
- #line 163 "plural.y"
- {
- (yyval.exp) = new_exp_3 (qmop, (yyvsp[(1) - (5)].exp), (yyvsp[(3) - (5)].exp), (yyvsp[(5) - (5)].exp));
- }
- break;
-
- case 4:
- /* Line 1269 of yacc.c. */
- #line 167 "plural.y"
- {
- (yyval.exp) = new_exp_2 (lor, (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 5:
- /* Line 1269 of yacc.c. */
- #line 171 "plural.y"
- {
- (yyval.exp) = new_exp_2 (land, (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 6:
- /* Line 1269 of yacc.c. */
- #line 175 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 7:
- /* Line 1269 of yacc.c. */
- #line 179 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 8:
- /* Line 1269 of yacc.c. */
- #line 183 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 9:
- /* Line 1269 of yacc.c. */
- #line 187 "plural.y"
- {
- (yyval.exp) = new_exp_2 ((yyvsp[(2) - (3)].op), (yyvsp[(1) - (3)].exp), (yyvsp[(3) - (3)].exp));
- }
- break;
-
- case 10:
- /* Line 1269 of yacc.c. */
- #line 191 "plural.y"
- {
- (yyval.exp) = new_exp_1 (lnot, (yyvsp[(2) - (2)].exp));
- }
- break;
-
- case 11:
- /* Line 1269 of yacc.c. */
- #line 195 "plural.y"
- {
- (yyval.exp) = new_exp_0 (var);
- }
- break;
-
- case 12:
- /* Line 1269 of yacc.c. */
- #line 199 "plural.y"
- {
- if (((yyval.exp) = new_exp_0 (num)) != NULL)
- (yyval.exp)->val.num = (yyvsp[(1) - (1)].num);
- }
- break;
-
- case 13:
- /* Line 1269 of yacc.c. */
- #line 204 "plural.y"
- {
- (yyval.exp) = (yyvsp[(2) - (3)].exp);
- }
- break;
-
-
- /* Line 1269 of yacc.c. */
- #line 1572 "plural.c"
- default: break;
- }
- 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:
- /* If not already recovering from an error, report this error. */
- if (!yyerrstatus)
- {
- ++yynerrs;
- #if ! YYERROR_VERBOSE
- yyerror (YY_("syntax error"));
- #else
- {
- YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
- if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
- {
- YYSIZE_T yyalloc = 2 * yysize;
- if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
- yyalloc = YYSTACK_ALLOC_MAXIMUM;
- if (yymsg != yymsgbuf)
- YYSTACK_FREE (yymsg);
- yymsg = (char *) YYSTACK_ALLOC (yyalloc);
- if (yymsg)
- yymsg_alloc = yyalloc;
- else
- {
- yymsg = yymsgbuf;
- yymsg_alloc = sizeof yymsgbuf;
- }
- }
-
- if (0 < yysize && yysize <= yymsg_alloc)
- {
- (void) yysyntax_error (yymsg, yystate, yychar);
- yyerror (yymsg);
- }
- else
- {
- yyerror (YY_("syntax error"));
- if (yysize != 0)
- goto yyexhaustedlab;
- }
- }
- #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 which 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 (yyn != YYPACT_NINF)
- {
- 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);
- }
-
- *++yyvsp = yylval;
-
-
- /* 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;
-
- #ifndef yyoverflow
- /*-------------------------------------------------.
- | yyexhaustedlab -- memory exhaustion comes here. |
- `-------------------------------------------------*/
- yyexhaustedlab:
- yyerror (YY_("memory exhausted"));
- yyresult = 2;
- /* Fall through. */
- #endif
-
- yyreturn:
- if (yychar != YYEMPTY)
- yydestruct ("Cleanup: discarding lookahead",
- yytoken, &yylval);
- /* Do not reclaim the symbols of the rule which 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
- /* Make sure YYID is used. */
- return YYID (yyresult);
- }
-
-
- /* Line 1486 of yacc.c. */
- #line 209 "plural.y"
-
-
- void
- internal_function
- FREE_EXPRESSION (struct expression *exp)
- {
- if (exp == NULL)
- return;
-
- /* Handle the recursive case. */
- switch (exp->nargs)
- {
- case 3:
- FREE_EXPRESSION (exp->val.args[2]);
- /* FALLTHROUGH */
- case 2:
- FREE_EXPRESSION (exp->val.args[1]);
- /* FALLTHROUGH */
- case 1:
- FREE_EXPRESSION (exp->val.args[0]);
- /* FALLTHROUGH */
- default:
- break;
- }
-
- free (exp);
- }
-
-
- static int
- yylex (YYSTYPE *lval, const char **pexp)
- {
- const char *exp = *pexp;
- int result;
-
- while (1)
- {
- if (exp[0] == '\0')
- {
- *pexp = exp;
- return YYEOF;
- }
-
- if (exp[0] != ' ' && exp[0] != '\t')
- break;
-
- ++exp;
- }
-
- result = *exp++;
- switch (result)
- {
- case '0': case '1': case '2': case '3': case '4':
- case '5': case '6': case '7': case '8': case '9':
- {
- unsigned long int n = result - '0';
- while (exp[0] >= '0' && exp[0] <= '9')
- {
- n *= 10;
- n += exp[0] - '0';
- ++exp;
- }
- lval->num = n;
- result = NUMBER;
- }
- break;
-
- case '=':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = equal;
- result = EQUOP2;
- }
- else
- result = YYERRCODE;
- break;
-
- case '!':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = not_equal;
- result = EQUOP2;
- }
- break;
-
- case '&':
- case '|':
- if (exp[0] == result)
- ++exp;
- else
- result = YYERRCODE;
- break;
-
- case '<':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = less_or_equal;
- }
- else
- lval->op = less_than;
- result = CMPOP2;
- break;
-
- case '>':
- if (exp[0] == '=')
- {
- ++exp;
- lval->op = greater_or_equal;
- }
- else
- lval->op = greater_than;
- result = CMPOP2;
- break;
-
- case '*':
- lval->op = mult;
- result = MULOP2;
- break;
-
- case '/':
- lval->op = divide;
- result = MULOP2;
- break;
-
- case '%':
- lval->op = module;
- result = MULOP2;
- break;
-
- case '+':
- lval->op = plus;
- result = ADDOP2;
- break;
-
- case '-':
- lval->op = minus;
- result = ADDOP2;
- break;
-
- case 'n':
- case '?':
- case ':':
- case '(':
- case ')':
- /* Nothing, just return the character. */
- break;
-
- case ';':
- case '\n':
- case '\0':
- /* Be safe and let the user call this function again. */
- --exp;
- result = YYEOF;
- break;
-
- default:
- result = YYERRCODE;
- #if YYDEBUG != 0
- --exp;
- #endif
- break;
- }
-
- *pexp = exp;
-
- return result;
- }
-
-
- static void
- yyerror (const char *str)
- {
- /* Do nothing. We don't print error messages here. */
- }
-
-