diff options
Diffstat (limited to 'intl/plural.y')
| -rw-r--r-- | intl/plural.y | 98 |
1 files changed, 36 insertions, 62 deletions
diff --git a/intl/plural.y b/intl/plural.y index 105fe0d..d74de07 100644 --- a/intl/plural.y +++ b/intl/plural.y @@ -1,30 +1,30 @@ %{ /* Expression parsing for plural form selection. Copyright (C) 2000-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. Written by Ulrich Drepper <drepper@cygnus.com>, 2000. - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. - The GNU C Library is distributed in the hope that it will be useful, + 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 - Lesser General Public License for more details. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ -/* 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. */ +/* 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 @@ -40,42 +40,28 @@ # define __gettextparse PLURAL_PARSE #endif -#define YYLEX_PARAM &((struct parse_args *) arg)->cp -#define YYPARSE_PARAM arg %} -%pure_parser +%parse-param {struct parse_args *arg} +%lex-param {struct parse_args *arg} +%define api.pure full %expect 7 %union { unsigned long int num; - enum operator op; + enum expression_operator op; struct expression *exp; } %{ /* Prototypes for local functions. */ -static struct expression *new_exp PARAMS ((int nargs, enum operator op, - struct expression * const *args)); -static inline struct expression *new_exp_0 PARAMS ((enum operator op)); -static inline struct expression *new_exp_1 PARAMS ((enum operator op, - struct expression *right)); -static struct expression *new_exp_2 PARAMS ((enum operator op, - struct expression *left, - struct expression *right)); -static inline struct expression *new_exp_3 PARAMS ((enum operator op, - struct expression *bexp, - struct expression *tbranch, - struct expression *fbranch)); -static int yylex PARAMS ((YYSTYPE *lval, const char **pexp)); -static void yyerror PARAMS ((const char *str)); +static int yylex (YYSTYPE *lval, struct parse_args *arg); +static void yyerror (struct parse_args *arg, const char *str); /* Allocation of expressions. */ static struct expression * -new_exp (nargs, op, args) - int nargs; - enum operator op; - struct expression * const *args; +new_exp (int nargs, enum expression_operator op, + struct expression * const *args) { int i; struct expression *newp; @@ -104,16 +90,13 @@ new_exp (nargs, op, args) } static inline struct expression * -new_exp_0 (op) - enum operator op; +new_exp_0 (enum expression_operator op) { return new_exp (0, op, NULL); } static inline struct expression * -new_exp_1 (op, right) - enum operator op; - struct expression *right; +new_exp_1 (enum expression_operator op, struct expression *right) { struct expression *args[1]; @@ -122,10 +105,8 @@ new_exp_1 (op, right) } static struct expression * -new_exp_2 (op, left, right) - enum operator op; - struct expression *left; - struct expression *right; +new_exp_2 (enum expression_operator op, struct expression *left, + struct expression *right) { struct expression *args[2]; @@ -135,11 +116,8 @@ new_exp_2 (op, left, right) } static inline struct expression * -new_exp_3 (op, bexp, tbranch, fbranch) - enum operator op; - struct expression *bexp; - struct expression *tbranch; - struct expression *fbranch; +new_exp_3 (enum expression_operator op, struct expression *bexp, + struct expression *tbranch, struct expression *fbranch) { struct expression *args[3]; @@ -175,7 +153,7 @@ start: exp { if ($1 == NULL) YYABORT; - ((struct parse_args *) arg)->res = $1; + arg->res = $1; } ; @@ -230,8 +208,7 @@ exp: exp '?' exp ':' exp void internal_function -FREE_EXPRESSION (exp) - struct expression *exp; +FREE_EXPRESSION (struct expression *exp) { if (exp == NULL) return; @@ -257,18 +234,16 @@ FREE_EXPRESSION (exp) static int -yylex (lval, pexp) - YYSTYPE *lval; - const char **pexp; +yylex (YYSTYPE *lval, struct parse_args *arg) { - const char *exp = *pexp; + const char *exp = arg->cp; int result; while (1) { if (exp[0] == '\0') { - *pexp = exp; + arg->cp = exp; return YYEOF; } @@ -395,15 +370,14 @@ yylex (lval, pexp) break; } - *pexp = exp; + arg->cp = exp; return result; } static void -yyerror (str) - const char *str; +yyerror (struct parse_args *arg, const char *str) { /* Do nothing. We don't print error messages here. */ } |