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2001-03-04 Bruno Haible <bruno@clisp.org> * intl/dcigettext.c (DCIGETTEXT): Increment path_max proportionally. 2001-10-31 Bruno Haible <bruno@clisp.org> * intl/plural.y: Include <stddef.h>, needed for NULL with SunOS 4 cc. 2001-03-21 Bruno Haible <bruno@clisp.org> * intl/dcigettext.c (_nl_state_lock): Mark as #ifdef _LIBC. AIX 3 xlc chokes on empty macro arguments. * intl/plural.y: Add #pragma for alloca on AIX 3. 2001-11-27 Ulrich Drepper <drepper@redhat.com> * intl/dcigettext.c (guess_category_value): Only implement for glibc. Otherwise rely on function _nl_locale_name which isn't present in the glibc sources. 2001-09-24 Bruno Haible <bruno@clisp.org> * intl/loadmsgcat.c (_nl_init_domain_conv): Also enable transliteration when building on a glibc system but outside glibc. 2001-09-22 Bruno Haible <bruno@clisp.org> * intl/plural-eval.c: New file, extracted from dcigettext.c. * intl/dcigettext.c (plural_eval): Remove function, moved to intl/plural-eval.c. (plural_lookup): Call PLURAL_EVAL instead of plural_eval. Include plural-eval.c. 2001-09-22 Bruno Haible <bruno@clisp.org> * intl/plural-exp.c (EXTRACT_PLURAL_EXPRESSION): Reject numbers that don't start with a digit; nplurals must be positive. 2001-09-02 Bruno Haible <bruno@clisp.org> * intl/plural-exp.h: New file, extracted from gettextP.h. * intl/plural-exp.c: New file, extracted from loadmsgcat.c. * intl/gettextP.h (struct expression, struct parse_args, __gettext_free_exp, __gettextparse): Move to plural-exp.h. * intl/loadmsgcat.c: Include plural-exp.h. (PLURAL_PARSE): Move macro to plural-exp.h. (plvar, plone, germanic_plural, INIT_GERMANIC_PLURAL): Move to plural-exp.c. (_nl_load_domain): Move plural handling code to plural-exp.c. Call EXTRACT_PLURAL_EXPRESSION. (_nl_unload_domain): Update. * intl/dcigettext.c: Include plural-exp.h. * intl/plural.y: Include plural-exp.h, not gettextP.h. (FREE_EXPRESSION): Move macro to plural-exp.h. * intl/Makefile (routines): Add plural-exp. (distribute): Add plural-exp.h. 2001-07-28 Bruno Haible <bruno@clisp.org> * intl/l10nflist.c (_nl_normalize_codeset): Cast isalnum, isalpha, isdigit, tolower argument to 'unsigned char'. * intl/loadmsgcat.c (_nl_load_domain): Cast isspace argument to 'unsigned char'. * intl/localealias.c (read_alias_file): Cast isspace argument to 'unsigned char'. 2001-10-20 Bruno Haible <bruno@clisp.org> Assume strchr() exists. (Without it, intl/explodename.c wouldn't link anyway.) * intl/dcigettext.c (strchr): Remove fallback definition; it conflicts with the variable 'index' in plural_lookup. * intl/l10nflist.c (strchr): Likewise. * intl/localealias.c (strchr): Likewise. Assume <stddef.h>, <stdlib.h>, <string.h>, <locale.h> exist. * intl/bindtextdom.c: Likewise. * intl/dcigettext.c: Likewise. * intl/dgettext.c: Likewise. * intl/dngettext.c: Likewise. * intl/explodename.c: Likewise. * intl/finddomain.c: Likewise. * intl/gettext.c: Likewise. * intl/l10nflist.c: Likewise. * intl/loadmsgcat.c: Likewise. * intl/localealias.c: Likewise. * intl/ngettext.c: Likewise. * intl/textdomain.c: Likewise. * intl/gettext.h: Assume <limits.h> exists.
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* Plural expression evaluation.
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Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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static unsigned long int plural_eval (struct expression *pexp,
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unsigned long int n)
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internal_function;
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static unsigned long int
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internal_function
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plural_eval (pexp, n)
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struct expression *pexp;
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unsigned long int n;
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{
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switch (pexp->nargs)
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{
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case 0:
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switch (pexp->operation)
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{
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case var:
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return n;
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case num:
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return pexp->val.num;
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default:
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break;
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}
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/* NOTREACHED */
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break;
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case 1:
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{
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/* pexp->operation must be lnot. */
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unsigned long int arg = plural_eval (pexp->val.args[0], n);
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return ! arg;
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}
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case 2:
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{
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unsigned long int leftarg = plural_eval (pexp->val.args[0], n);
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if (pexp->operation == lor)
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return leftarg || plural_eval (pexp->val.args[1], n);
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else if (pexp->operation == land)
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return leftarg && plural_eval (pexp->val.args[1], n);
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else
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{
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unsigned long int rightarg = plural_eval (pexp->val.args[1], n);
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switch (pexp->operation)
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{
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case mult:
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return leftarg * rightarg;
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case divide:
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return leftarg / rightarg;
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case module:
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return leftarg % rightarg;
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case plus:
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return leftarg + rightarg;
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case minus:
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return leftarg - rightarg;
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case less_than:
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return leftarg < rightarg;
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case greater_than:
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return leftarg > rightarg;
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case less_or_equal:
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return leftarg <= rightarg;
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case greater_or_equal:
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return leftarg >= rightarg;
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case equal:
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return leftarg == rightarg;
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case not_equal:
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return leftarg != rightarg;
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default:
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break;
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}
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}
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/* NOTREACHED */
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break;
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}
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case 3:
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{
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/* pexp->operation must be qmop. */
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unsigned long int boolarg = plural_eval (pexp->val.args[0], n);
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return plural_eval (pexp->val.args[boolarg ? 1 : 2], n);
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}
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}
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/* NOTREACHED */
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return 0;
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}
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