| 1 | /* Lists of symbols for Bison |
| 2 | |
| 3 | Copyright (C) 2002 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of Bison, the GNU Compiler Compiler. |
| 6 | |
| 7 | Bison is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 2, or (at your option) |
| 10 | any later version. |
| 11 | |
| 12 | Bison is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with Bison; see the file COPYING. If not, write to |
| 19 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
| 20 | Boston, MA 02111-1307, USA. */ |
| 21 | |
| 22 | #ifndef SYMLIST_H_ |
| 23 | # define SYMLIST_H_ |
| 24 | |
| 25 | # include "location.h" |
| 26 | # include "symtab.h" |
| 27 | |
| 28 | typedef struct symbol_list |
| 29 | { |
| 30 | struct symbol_list *next; |
| 31 | symbol *sym; |
| 32 | location location; |
| 33 | |
| 34 | /* The action is attached to the LHS of a rule. */ |
| 35 | const char *action; |
| 36 | location action_location; |
| 37 | |
| 38 | symbol *ruleprec; |
| 39 | int dprec; |
| 40 | int merger; |
| 41 | } symbol_list; |
| 42 | |
| 43 | |
| 44 | /* Create a list containing SYM at LOC. */ |
| 45 | symbol_list *symbol_list_new (symbol *sym, location loc); |
| 46 | |
| 47 | /* Prepend SYM at LOC to the LIST. */ |
| 48 | symbol_list *symbol_list_prepend (symbol_list *list, |
| 49 | symbol *sym, |
| 50 | location loc); |
| 51 | |
| 52 | /* Free the LIST, but not the symbols it contains. */ |
| 53 | void symbol_list_free (symbol_list *list); |
| 54 | |
| 55 | /* Return its length. */ |
| 56 | unsigned int symbol_list_length (symbol_list *list); |
| 57 | |
| 58 | /* Get the data type (alternative in the union) of the value for |
| 59 | symbol N in rule RULE. */ |
| 60 | uniqstr symbol_list_n_type_name_get (symbol_list *rp, location loc, int n); |
| 61 | |
| 62 | #endif /* !SYMLIST_H_ */ |