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- /* A Bison parser, made from plural.y
- by GNU bison 1.35. */
-
- #define YYBISON 1 /* Identify Bison output. */
-
- #define yyparse __gettextparse
- #define yylex __gettextlex
- #define yyerror __gettexterror
- #define yylval __gettextlval
- #define yychar __gettextchar
- #define yydebug __gettextdebug
- #define yynerrs __gettextnerrs
- # define EQUOP2 257
- # define CMPOP2 258
- # define ADDOP2 259
- # define MULOP2 260
- # define NUMBER 261
-
- #line 1 "plural.y"
-
- /* Expression parsing for plural form selection.
- Copyright (C) 2000-2001, 2003 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
- USA. */
-
- /* 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. */
- #if defined _AIX && !defined __GNUC__
- #pragma alloca
- #endif
-
- #ifdef HAVE_CONFIG_H
- # include <config.h>
- #endif
-
- #include <stddef.h>
- #include <stdlib.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
-
- #line 49 "plural.y"
- #ifndef YYSTYPE
- typedef union {
- unsigned long int num;
- enum operator op;
- struct expression *exp;
- } yystype;
- # define YYSTYPE yystype
- # define YYSTYPE_IS_TRIVIAL 1
- #endif
- #line 55 "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 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 operator op)
- {
- return new_exp (0, op, NULL);
- }
-
- static inline struct expression *
- new_exp_1 (enum 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 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 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);
- }
-
- #ifndef YYDEBUG
- # define YYDEBUG 0
- #endif
-
-
-
- #define YYFINAL 27
- #define YYFLAG -32768
- #define YYNTBASE 16
-
- /* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
- #define YYTRANSLATE(x) ((unsigned)(x) <= 261 ? yytranslate[x] : 18)
-
- /* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
- static const 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, 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, 6, 7, 8,
- 9, 11
- };
-
- #if YYDEBUG
- static const short yyprhs[] =
- {
- 0, 0, 2, 8, 12, 16, 20, 24, 28, 32,
- 35, 37, 39
- };
- static const short yyrhs[] =
- {
- 17, 0, 17, 3, 17, 12, 17, 0, 17, 4,
- 17, 0, 17, 5, 17, 0, 17, 6, 17, 0,
- 17, 7, 17, 0, 17, 8, 17, 0, 17, 9,
- 17, 0, 10, 17, 0, 13, 0, 11, 0, 14,
- 17, 15, 0
- };
-
- #endif
-
- #if YYDEBUG
- /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
- static const short yyrline[] =
- {
- 0, 150, 158, 162, 166, 170, 174, 178, 182, 186,
- 190, 194, 199
- };
- #endif
-
-
- #if (YYDEBUG) || defined YYERROR_VERBOSE
-
- /* YYTNAME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
- static const char *const yytname[] =
- {
- "$", "error", "$undefined.", "'?'", "'|'", "'&'", "EQUOP2", "CMPOP2",
- "ADDOP2", "MULOP2", "'!'", "NUMBER", "':'", "'n'", "'('", "')'",
- "start", "exp", 0
- };
- #endif
-
- /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
- static const short yyr1[] =
- {
- 0, 16, 17, 17, 17, 17, 17, 17, 17, 17,
- 17, 17, 17
- };
-
- /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
- static const short yyr2[] =
- {
- 0, 1, 5, 3, 3, 3, 3, 3, 3, 2,
- 1, 1, 3
- };
-
- /* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
- doesn't specify something else to do. Zero means the default is an
- error. */
- static const short yydefact[] =
- {
- 0, 0, 11, 10, 0, 1, 9, 0, 0, 0,
- 0, 0, 0, 0, 0, 12, 0, 3, 4, 5,
- 6, 7, 8, 0, 2, 0, 0, 0
- };
-
- static const short yydefgoto[] =
- {
- 25, 5
- };
-
- static const short yypact[] =
- {
- -9, -9,-32768,-32768, -9, 34,-32768, 11, -9, -9,
- -9, -9, -9, -9, -9,-32768, 24, 39, 43, 16,
- 26, -3,-32768, -9, 34, 21, 53,-32768
- };
-
- static const short yypgoto[] =
- {
- -32768, -1
- };
-
-
- #define YYLAST 53
-
-
- static const short yytable[] =
- {
- 6, 1, 2, 7, 3, 4, 14, 16, 17, 18,
- 19, 20, 21, 22, 8, 9, 10, 11, 12, 13,
- 14, 26, 24, 12, 13, 14, 15, 8, 9, 10,
- 11, 12, 13, 14, 13, 14, 23, 8, 9, 10,
- 11, 12, 13, 14, 10, 11, 12, 13, 14, 11,
- 12, 13, 14, 27
- };
-
- static const short yycheck[] =
- {
- 1, 10, 11, 4, 13, 14, 9, 8, 9, 10,
- 11, 12, 13, 14, 3, 4, 5, 6, 7, 8,
- 9, 0, 23, 7, 8, 9, 15, 3, 4, 5,
- 6, 7, 8, 9, 8, 9, 12, 3, 4, 5,
- 6, 7, 8, 9, 5, 6, 7, 8, 9, 6,
- 7, 8, 9, 0
- };
- #define YYPURE 1
-
- /* -*-C-*- Note some compilers choke on comments on `#line' lines. */
- #line 3 "/usr/local/share/bison/bison.simple"
-
- /* Skeleton output parser for bison,
-
- Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002 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., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, 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. */
-
- /* This is the parser code that is written into each bison parser when
- the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
-
- /* 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. */
-
- #if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
-
- /* The parser invokes alloca or malloc; define the necessary symbols. */
-
- # if YYSTACK_USE_ALLOCA
- # define YYSTACK_ALLOC alloca
- # else
- # ifndef YYSTACK_USE_ALLOCA
- # if defined (alloca) || defined (_ALLOCA_H)
- # define YYSTACK_ALLOC alloca
- # else
- # ifdef __GNUC__
- # define YYSTACK_ALLOC __builtin_alloca
- # endif
- # endif
- # endif
- # endif
-
- # ifdef YYSTACK_ALLOC
- /* Pacify GCC's `empty if-body' warning. */
- # define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
- # else
- # if defined (__STDC__) || defined (__cplusplus)
- # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
- # define YYSIZE_T size_t
- # endif
- # define YYSTACK_ALLOC malloc
- # define YYSTACK_FREE free
- # endif
- #endif /* ! defined (yyoverflow) || defined (YYERROR_VERBOSE) */
-
-
- #if (! defined (yyoverflow) \
- && (! defined (__cplusplus) \
- || (YYLTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
-
- /* A type that is properly aligned for any stack member. */
- union yyalloc
- {
- short yyss;
- YYSTYPE yyvs;
- # if YYLSP_NEEDED
- YYLTYPE yyls;
- # endif
- };
-
- /* The size of the maximum gap between one aligned stack and the next. */
- # define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
-
- /* The size of an array large to enough to hold all stacks, each with
- N elements. */
- # if YYLSP_NEEDED
- # define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
- + 2 * YYSTACK_GAP_MAX)
- # else
- # define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
- + YYSTACK_GAP_MAX)
- # endif
-
- /* Copy COUNT objects from FROM to TO. The source and destination do
- not overlap. */
- # ifndef YYCOPY
- # if 1 < __GNUC__
- # define YYCOPY(To, From, Count) \
- __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
- # else
- # define YYCOPY(To, From, Count) \
- do \
- { \
- register YYSIZE_T yyi; \
- 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_MAX; \
- yyptr += yynewbytes / sizeof (*yyptr); \
- } \
- while (0)
-
- #endif
-
-
- #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)
- # if defined (__STDC__) || defined (__cplusplus)
- # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
- # define YYSIZE_T size_t
- # endif
- #endif
- #if ! defined (YYSIZE_T)
- # define YYSIZE_T unsigned int
- #endif
-
- #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 yyerrlab1
- /* Like YYERROR except do call yyerror. This remains here temporarily
- to ease the transition to the new meaning of YYERROR, for GCC.
- Once GCC version 2 has supplanted version 1, this can go. */
- #define YYFAIL goto yyerrlab
- #define YYRECOVERING() (!!yyerrstatus)
- #define YYBACKUP(Token, Value) \
- do \
- if (yychar == YYEMPTY && yylen == 1) \
- { \
- yychar = (Token); \
- yylval = (Value); \
- yychar1 = YYTRANSLATE (yychar); \
- YYPOPSTACK; \
- goto yybackup; \
- } \
- else \
- { \
- yyerror ("syntax error: cannot back up"); \
- YYERROR; \
- } \
- while (0)
-
- #define YYTERROR 1
- #define YYERRCODE 256
-
-
- /* YYLLOC_DEFAULT -- Compute the default location (before the actions
- are run).
-
- When YYLLOC_DEFAULT is run, CURRENT is set the location of the
- first token. By default, to implement support for ranges, extend
- its range to the last symbol. */
-
- #ifndef YYLLOC_DEFAULT
- # define YYLLOC_DEFAULT(Current, Rhs, N) \
- Current.last_line = Rhs[N].last_line; \
- Current.last_column = Rhs[N].last_column;
- #endif
-
-
- /* YYLEX -- calling `yylex' with the right arguments. */
-
- #if YYPURE
- # if YYLSP_NEEDED
- # ifdef YYLEX_PARAM
- # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
- # else
- # define YYLEX yylex (&yylval, &yylloc)
- # endif
- # else /* !YYLSP_NEEDED */
- # ifdef YYLEX_PARAM
- # define YYLEX yylex (&yylval, YYLEX_PARAM)
- # else
- # define YYLEX yylex (&yylval)
- # endif
- # endif /* !YYLSP_NEEDED */
- #else /* !YYPURE */
- # define YYLEX yylex ()
- #endif /* !YYPURE */
-
-
- /* 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)
- /* Nonzero means print parse trace. It is left uninitialized so that
- multiple parsers can coexist. */
- int yydebug;
- #else /* !YYDEBUG */
- # define YYDPRINTF(Args)
- #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
- SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
- evaluated with infinite-precision integer arithmetic. */
-
- #if YYMAXDEPTH == 0
- # undef YYMAXDEPTH
- #endif
-
- #ifndef YYMAXDEPTH
- # define YYMAXDEPTH 10000
- #endif
-
- #ifdef 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
- {
- register const char *yys = yystr;
-
- 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
- {
- register char *yyd = yydest;
- register const char *yys = yysrc;
-
- while ((*yyd++ = *yys++) != '\0')
- continue;
-
- return yyd - 1;
- }
- # endif
- # endif
- #endif
-
- #line 315 "/usr/local/share/bison/bison.simple"
-
-
- /* The user can define YYPARSE_PARAM as the name of an argument to be passed
- into yyparse. The argument should have type void *.
- It should actually point to an object.
- Grammar actions can access the variable by casting it
- to the proper pointer type. */
-
- #ifdef YYPARSE_PARAM
- # if defined (__STDC__) || defined (__cplusplus)
- # define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
- # define YYPARSE_PARAM_DECL
- # else
- # define YYPARSE_PARAM_ARG YYPARSE_PARAM
- # define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
- # endif
- #else /* !YYPARSE_PARAM */
- # define YYPARSE_PARAM_ARG
- # define YYPARSE_PARAM_DECL
- #endif /* !YYPARSE_PARAM */
-
- /* Prevent warning if -Wstrict-prototypes. */
- #ifdef __GNUC__
- # ifdef YYPARSE_PARAM
- int yyparse (void *);
- # else
- int yyparse (void);
- # endif
- #endif
-
- /* YY_DECL_VARIABLES -- depending whether we use a pure parser,
- variables are global, or local to YYPARSE. */
-
- #define YY_DECL_NON_LSP_VARIABLES \
- /* The lookahead symbol. */ \
- int yychar; \
- \
- /* The semantic value of the lookahead symbol. */ \
- YYSTYPE yylval; \
- \
- /* Number of parse errors so far. */ \
- int yynerrs;
-
- #if YYLSP_NEEDED
- # define YY_DECL_VARIABLES \
- YY_DECL_NON_LSP_VARIABLES \
- \
- /* Location data for the lookahead symbol. */ \
- YYLTYPE yylloc;
- #else
- # define YY_DECL_VARIABLES \
- YY_DECL_NON_LSP_VARIABLES
- #endif
-
-
- /* If nonreentrant, generate the variables here. */
-
- #if !YYPURE
- YY_DECL_VARIABLES
- #endif /* !YYPURE */
-
- int
- yyparse (YYPARSE_PARAM_ARG)
- YYPARSE_PARAM_DECL
- {
- /* If reentrant, generate the variables here. */
- #if YYPURE
- YY_DECL_VARIABLES
- #endif /* !YYPURE */
-
- register int yystate;
- register int yyn;
- int yyresult;
- /* Number of tokens to shift before error messages enabled. */
- int yyerrstatus;
- /* Lookahead token as an internal (translated) token number. */
- int yychar1 = 0;
-
- /* 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. */
- short yyssa[YYINITDEPTH];
- short *yyss = yyssa;
- register short *yyssp;
-
- /* The semantic value stack. */
- YYSTYPE yyvsa[YYINITDEPTH];
- YYSTYPE *yyvs = yyvsa;
- register YYSTYPE *yyvsp;
-
- #if YYLSP_NEEDED
- /* The location stack. */
- YYLTYPE yylsa[YYINITDEPTH];
- YYLTYPE *yyls = yylsa;
- YYLTYPE *yylsp;
- #endif
-
- #if YYLSP_NEEDED
- # define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
- #else
- # define YYPOPSTACK (yyvsp--, yyssp--)
- #endif
-
- YYSIZE_T yystacksize = YYINITDEPTH;
-
-
- /* The variables used to return semantic value and location from the
- action routines. */
- YYSTYPE yyval;
- #if YYLSP_NEEDED
- YYLTYPE yyloc;
- #endif
-
- /* When reducing, the number of symbols on the RHS of the reduced
- rule. */
- int yylen;
-
- 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;
- #if YYLSP_NEEDED
- yylsp = yyls;
- #endif
- 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 (yyssp >= yyss + yystacksize - 1)
- {
- /* 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;
- short *yyss1 = yyss;
-
- /* Each stack pointer address is followed by the size of the
- data in use in that stack, in bytes. */
- # if YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
- /* This used to be a conditional around just the two extra args,
- but that might be undefined if yyoverflow is a macro. */
- yyoverflow ("parser stack overflow",
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yyls1, yysize * sizeof (*yylsp),
- &yystacksize);
- yyls = yyls1;
- # else
- yyoverflow ("parser stack overflow",
- &yyss1, yysize * sizeof (*yyssp),
- &yyvs1, yysize * sizeof (*yyvsp),
- &yystacksize);
- # endif
- yyss = yyss1;
- yyvs = yyvs1;
- }
- #else /* no yyoverflow */
- # ifndef YYSTACK_RELOCATE
- goto yyoverflowlab;
- # else
- /* Extend the stack our own way. */
- if (yystacksize >= YYMAXDEPTH)
- goto yyoverflowlab;
- yystacksize *= 2;
- if (yystacksize > YYMAXDEPTH)
- yystacksize = YYMAXDEPTH;
-
- {
- short *yyss1 = yyss;
- union yyalloc *yyptr =
- (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
- if (! yyptr)
- goto yyoverflowlab;
- YYSTACK_RELOCATE (yyss);
- YYSTACK_RELOCATE (yyvs);
- # if YYLSP_NEEDED
- YYSTACK_RELOCATE (yyls);
- # endif
- # undef YYSTACK_RELOCATE
- if (yyss1 != yyssa)
- YYSTACK_FREE (yyss1);
- }
- # endif
- #endif /* no yyoverflow */
-
- yyssp = yyss + yysize - 1;
- yyvsp = yyvs + yysize - 1;
- #if YYLSP_NEEDED
- yylsp = yyls + yysize - 1;
- #endif
-
- YYDPRINTF ((stderr, "Stack size increased to %lu\n",
- (unsigned long int) yystacksize));
-
- if (yyssp >= yyss + yystacksize - 1)
- YYABORT;
- }
-
- YYDPRINTF ((stderr, "Entering state %d\n", yystate));
-
- 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. */
- /* yyresume: */
-
- /* First try to decide what to do without reference to lookahead token. */
-
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yydefault;
-
- /* Not known => get a lookahead token if don't already have one. */
-
- /* yychar is either YYEMPTY or YYEOF
- or a valid token in external form. */
-
- if (yychar == YYEMPTY)
- {
- YYDPRINTF ((stderr, "Reading a token: "));
- yychar = YYLEX;
- }
-
- /* Convert token to internal form (in yychar1) for indexing tables with */
-
- if (yychar <= 0) /* This means end of input. */
- {
- yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
-
- YYDPRINTF ((stderr, "Now at end of input.\n"));
- }
- else
- {
- yychar1 = YYTRANSLATE (yychar);
-
- #if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables
- which are defined only if `YYDEBUG' is set. */
- if (yydebug)
- {
- YYFPRINTF (stderr, "Next token is %d (%s",
- yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise
- meaning of a token, for further debugging info. */
- # ifdef YYPRINT
- YYPRINT (stderr, yychar, yylval);
- # endif
- YYFPRINTF (stderr, ")\n");
- }
- #endif
- }
-
- yyn += yychar1;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
- goto yydefault;
-
- yyn = yytable[yyn];
-
- /* yyn is what to do for this token type in this state.
- Negative => reduce, -yyn is rule number.
- Positive => shift, yyn is new state.
- New state is final state => don't bother to shift,
- just return success.
- 0, or most negative number => error. */
-
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrlab;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrlab;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- /* Shift the lookahead token. */
- YYDPRINTF ((stderr, "Shifting token %d (%s), ",
- yychar, yytname[yychar1]));
-
- /* Discard the token being shifted unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
-
- *++yyvsp = yylval;
- #if YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- /* Count tokens shifted since error; after three, turn off error
- status. */
- if (yyerrstatus)
- yyerrstatus--;
-
- yystate = yyn;
- 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 the semantic value of
- the lookahead token. 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];
-
- #if YYLSP_NEEDED
- /* Similarly for the default location. Let the user run additional
- commands if for instance locations are ranges. */
- yyloc = yylsp[1-yylen];
- YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
- #endif
-
- #if YYDEBUG
- /* We have to keep this `#if YYDEBUG', since we use variables which
- are defined only if `YYDEBUG' is set. */
- if (yydebug)
- {
- int yyi;
-
- YYFPRINTF (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
-
- /* Print the symbols being reduced, and their result. */
- for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
- YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
- YYFPRINTF (stderr, " -> %s\n", yytname[yyr1[yyn]]);
- }
- #endif
-
- switch (yyn) {
-
- case 1:
- #line 151 "plural.y"
- {
- if (yyvsp[0].exp == NULL)
- YYABORT;
- ((struct parse_args *) arg)->res = yyvsp[0].exp;
- }
- break;
- case 2:
- #line 159 "plural.y"
- {
- yyval.exp = new_exp_3 (qmop, yyvsp[-4].exp, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 3:
- #line 163 "plural.y"
- {
- yyval.exp = new_exp_2 (lor, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 4:
- #line 167 "plural.y"
- {
- yyval.exp = new_exp_2 (land, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 5:
- #line 171 "plural.y"
- {
- yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 6:
- #line 175 "plural.y"
- {
- yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 7:
- #line 179 "plural.y"
- {
- yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 8:
- #line 183 "plural.y"
- {
- yyval.exp = new_exp_2 (yyvsp[-1].op, yyvsp[-2].exp, yyvsp[0].exp);
- }
- break;
- case 9:
- #line 187 "plural.y"
- {
- yyval.exp = new_exp_1 (lnot, yyvsp[0].exp);
- }
- break;
- case 10:
- #line 191 "plural.y"
- {
- yyval.exp = new_exp_0 (var);
- }
- break;
- case 11:
- #line 195 "plural.y"
- {
- if ((yyval.exp = new_exp_0 (num)) != NULL)
- yyval.exp->val.num = yyvsp[0].num;
- }
- break;
- case 12:
- #line 200 "plural.y"
- {
- yyval.exp = yyvsp[-1].exp;
- }
- break;
- }
-
- #line 705 "/usr/local/share/bison/bison.simple"
-
-
- yyvsp -= yylen;
- yyssp -= yylen;
- #if YYLSP_NEEDED
- yylsp -= yylen;
- #endif
-
- #if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
- #endif
-
- *++yyvsp = yyval;
- #if YYLSP_NEEDED
- *++yylsp = yyloc;
- #endif
-
- /* Now `shift' the result of the reduction. Determine what state
- that goes to, based on the state we popped back to and the rule
- number reduced by. */
-
- yyn = yyr1[yyn];
-
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
- if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
- yystate = yytable[yystate];
- else
- yystate = yydefgoto[yyn - YYNTBASE];
-
- goto yynewstate;
-
-
- /*------------------------------------.
- | yyerrlab -- here on detecting error |
- `------------------------------------*/
- yyerrlab:
- /* If not already recovering from an error, report this error. */
- if (!yyerrstatus)
- {
- ++yynerrs;
-
- #ifdef YYERROR_VERBOSE
- yyn = yypact[yystate];
-
- if (yyn > YYFLAG && yyn < YYLAST)
- {
- YYSIZE_T yysize = 0;
- char *yymsg;
- int yyx, yycount;
-
- yycount = 0;
- /* Start YYX at -YYN if negative to avoid negative indexes in
- YYCHECK. */
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
- if (yycheck[yyx + yyn] == yyx)
- yysize += yystrlen (yytname[yyx]) + 15, yycount++;
- yysize += yystrlen ("parse error, unexpected ") + 1;
- yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
- yymsg = (char *) YYSTACK_ALLOC (yysize);
- if (yymsg != 0)
- {
- char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
- yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
-
- if (yycount < 5)
- {
- yycount = 0;
- for (yyx = yyn < 0 ? -yyn : 0;
- yyx < (int) (sizeof (yytname) / sizeof (char *));
- yyx++)
- if (yycheck[yyx + yyn] == yyx)
- {
- const char *yyq = ! yycount ? ", expecting " : " or ";
- yyp = yystpcpy (yyp, yyq);
- yyp = yystpcpy (yyp, yytname[yyx]);
- yycount++;
- }
- }
- yyerror (yymsg);
- YYSTACK_FREE (yymsg);
- }
- else
- yyerror ("parse error; also virtual memory exhausted");
- }
- else
- #endif /* defined (YYERROR_VERBOSE) */
- yyerror ("parse error");
- }
- goto yyerrlab1;
-
-
- /*--------------------------------------------------.
- | yyerrlab1 -- error raised explicitly by an action |
- `--------------------------------------------------*/
- yyerrlab1:
- if (yyerrstatus == 3)
- {
- /* If just tried and failed to reuse lookahead token after an
- error, discard it. */
-
- /* return failure if at end of input */
- if (yychar == YYEOF)
- YYABORT;
- YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
- yychar, yytname[yychar1]));
- yychar = YYEMPTY;
- }
-
- /* Else will try to reuse lookahead token after shifting the error
- token. */
-
- yyerrstatus = 3; /* Each real token shifted decrements this */
-
- goto yyerrhandle;
-
-
- /*-------------------------------------------------------------------.
- | yyerrdefault -- current state does not do anything special for the |
- | error token. |
- `-------------------------------------------------------------------*/
- yyerrdefault:
- #if 0
- /* This is wrong; only states that explicitly want error tokens
- should shift them. */
-
- /* If its default is to accept any token, ok. Otherwise pop it. */
- yyn = yydefact[yystate];
- if (yyn)
- goto yydefault;
- #endif
-
-
- /*---------------------------------------------------------------.
- | yyerrpop -- pop the current state because it cannot handle the |
- | error token |
- `---------------------------------------------------------------*/
- yyerrpop:
- if (yyssp == yyss)
- YYABORT;
- yyvsp--;
- yystate = *--yyssp;
- #if YYLSP_NEEDED
- yylsp--;
- #endif
-
- #if YYDEBUG
- if (yydebug)
- {
- short *yyssp1 = yyss - 1;
- YYFPRINTF (stderr, "Error: state stack now");
- while (yyssp1 != yyssp)
- YYFPRINTF (stderr, " %d", *++yyssp1);
- YYFPRINTF (stderr, "\n");
- }
- #endif
-
- /*--------------.
- | yyerrhandle. |
- `--------------*/
- yyerrhandle:
- yyn = yypact[yystate];
- if (yyn == YYFLAG)
- goto yyerrdefault;
-
- yyn += YYTERROR;
- if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
- goto yyerrdefault;
-
- yyn = yytable[yyn];
- if (yyn < 0)
- {
- if (yyn == YYFLAG)
- goto yyerrpop;
- yyn = -yyn;
- goto yyreduce;
- }
- else if (yyn == 0)
- goto yyerrpop;
-
- if (yyn == YYFINAL)
- YYACCEPT;
-
- YYDPRINTF ((stderr, "Shifting error token, "));
-
- *++yyvsp = yylval;
- #if YYLSP_NEEDED
- *++yylsp = yylloc;
- #endif
-
- yystate = yyn;
- goto yynewstate;
-
-
- /*-------------------------------------.
- | yyacceptlab -- YYACCEPT comes here. |
- `-------------------------------------*/
- yyacceptlab:
- yyresult = 0;
- goto yyreturn;
-
- /*-----------------------------------.
- | yyabortlab -- YYABORT comes here. |
- `-----------------------------------*/
- yyabortlab:
- yyresult = 1;
- goto yyreturn;
-
- /*---------------------------------------------.
- | yyoverflowab -- parser overflow comes here. |
- `---------------------------------------------*/
- yyoverflowlab:
- yyerror ("parser stack overflow");
- yyresult = 2;
- /* Fall through. */
-
- yyreturn:
- #ifndef yyoverflow
- if (yyss != yyssa)
- YYSTACK_FREE (yyss);
- #endif
- return yyresult;
- }
- #line 205 "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. */
- }
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