OpenCores
URL https://opencores.org/ocsvn/openrisc_me/openrisc_me/trunk

Subversion Repositories openrisc_me

[/] [openrisc/] [trunk/] [gnu-src/] [binutils-2.18.50/] [intl/] [plural-exp.c] - Blame information for rev 179

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 38 julius
/* Expression parsing for plural form selection.
2
   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
3
   Written by Ulrich Drepper <drepper@cygnus.com>, 2000.
4
 
5
   This program is free software; you can redistribute it and/or modify it
6
   under the terms of the GNU Library General Public License as published
7
   by the Free Software Foundation; either version 2, or (at your option)
8
   any later version.
9
 
10
   This program is distributed in the hope that it will be useful,
11
   but WITHOUT ANY WARRANTY; without even the implied warranty of
12
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13
   Library General Public License for more details.
14
 
15
   You should have received a copy of the GNU Library General Public
16
   License along with this program; if not, write to the Free Software
17
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
18
   USA.  */
19
 
20
#ifdef HAVE_CONFIG_H
21
# include <config.h>
22
#endif
23
 
24
#include <ctype.h>
25
#include <stdlib.h>
26
#include <string.h>
27
 
28
#include "plural-exp.h"
29
 
30
#if (defined __GNUC__ && !defined __APPLE_CC__) \
31
    || (defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L)
32
 
33
/* These structs are the constant expression for the germanic plural
34
   form determination.  It represents the expression  "n != 1".  */
35
static const struct expression plvar =
36
{
37
  .nargs = 0,
38
  .operation = var,
39
};
40
static const struct expression plone =
41
{
42
  .nargs = 0,
43
  .operation = num,
44
  .val =
45
  {
46
    .num = 1
47
  }
48
};
49
struct expression GERMANIC_PLURAL =
50
{
51
  .nargs = 2,
52
  .operation = not_equal,
53
  .val =
54
  {
55
    .args =
56
    {
57
      [0] = (struct expression *) &plvar,
58
      [1] = (struct expression *) &plone
59
    }
60
  }
61
};
62
 
63
# define INIT_GERMANIC_PLURAL()
64
 
65
#else
66
 
67
/* For compilers without support for ISO C 99 struct/union initializers:
68
   Initialization at run-time.  */
69
 
70
static struct expression plvar;
71
static struct expression plone;
72
struct expression GERMANIC_PLURAL;
73
 
74
static void
75
init_germanic_plural ()
76
{
77
  if (plone.val.num == 0)
78
    {
79
      plvar.nargs = 0;
80
      plvar.operation = var;
81
 
82
      plone.nargs = 0;
83
      plone.operation = num;
84
      plone.val.num = 1;
85
 
86
      GERMANIC_PLURAL.nargs = 2;
87
      GERMANIC_PLURAL.operation = not_equal;
88
      GERMANIC_PLURAL.val.args[0] = &plvar;
89
      GERMANIC_PLURAL.val.args[1] = &plone;
90
    }
91
}
92
 
93
# define INIT_GERMANIC_PLURAL() init_germanic_plural ()
94
 
95
#endif
96
 
97
void
98
internal_function
99
EXTRACT_PLURAL_EXPRESSION (nullentry, pluralp, npluralsp)
100
     const char *nullentry;
101
     struct expression **pluralp;
102
     unsigned long int *npluralsp;
103
{
104
  if (nullentry != NULL)
105
    {
106
      const char *plural;
107
      const char *nplurals;
108
 
109
      plural = strstr (nullentry, "plural=");
110
      nplurals = strstr (nullentry, "nplurals=");
111
      if (plural == NULL || nplurals == NULL)
112
        goto no_plural;
113
      else
114
        {
115
          char *endp;
116
          unsigned long int n;
117
          struct parse_args args;
118
 
119
          /* First get the number.  */
120
          nplurals += 9;
121
          while (*nplurals != '\0' && isspace ((unsigned char) *nplurals))
122
            ++nplurals;
123
          if (!(*nplurals >= '0' && *nplurals <= '9'))
124
            goto no_plural;
125
#if defined HAVE_STRTOUL || defined _LIBC
126
          n = strtoul (nplurals, &endp, 10);
127
#else
128
          for (endp = nplurals, n = 0; *endp >= '0' && *endp <= '9'; endp++)
129
            n = n * 10 + (*endp - '0');
130
#endif
131
          if (nplurals == endp)
132
            goto no_plural;
133
          *npluralsp = n;
134
 
135
          /* Due to the restrictions bison imposes onto the interface of the
136
             scanner function we have to put the input string and the result
137
             passed up from the parser into the same structure which address
138
             is passed down to the parser.  */
139
          plural += 7;
140
          args.cp = plural;
141
          if (PLURAL_PARSE (&args) != 0)
142
            goto no_plural;
143
          *pluralp = args.res;
144
        }
145
    }
146
  else
147
    {
148
      /* By default we are using the Germanic form: singular form only
149
         for `one', the plural form otherwise.  Yes, this is also what
150
         English is using since English is a Germanic language.  */
151
    no_plural:
152
      INIT_GERMANIC_PLURAL ();
153
      *pluralp = &GERMANIC_PLURAL;
154
      *npluralsp = 2;
155
    }
156
}

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.