X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f87685c3245a30154897374780d5d0471c7229c0..c30717cafaf6e45fb82999ddd4907ff39ec39474:/src/reader.h diff --git a/src/reader.h b/src/reader.h index 3a0b4284..3722a7f5 100644 --- a/src/reader.h +++ b/src/reader.h @@ -1,37 +1,71 @@ -/* Input parser for bison - Copyright 2000, 2001 Free Software Foundation, Inc. +/* Input parser for Bison + + Copyright (C) 2000-2003, 2005-2007, 2009-2012 Free Software + Foundation, Inc. This file is part of Bison, the GNU Compiler Compiler. - Bison is free software; you can redistribute it and/or modify + 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. + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. - Bison 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 General Public License for more details. You should have received a copy of the GNU General Public License - along with Bison; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + along with this program. If not, see . */ #ifndef READER_H_ # define READER_H_ -/* Read in the grammar specification and record it in the format - described in gram.h. All guards are copied into the FGUARD file - and all actions into FACTION, in each case forming the body of a C - function (YYGUARD or YYACTION) which contains a switch statement to - decide which guard or action to execute. */ +# include "location.h" +# include "symlist.h" +# include "named-ref.h" + +# include "parse-gram.h" + +typedef struct merger_list +{ + struct merger_list* next; + uniqstr name; + uniqstr type; + location type_declaration_location; +} merger_list; + +/* From the parser. */ +extern int gram_debug; +int gram_parse (void); +char const *token_name (int type); + + +/* From reader.c. */ +void grammar_start_symbol_set (symbol *sym, location loc); +void grammar_current_rule_begin (symbol *lhs, location loc, + named_ref *lhs_named_ref); +void grammar_current_rule_end (location loc); +void grammar_midrule_action (void); +void grammar_current_rule_prec_set (symbol *precsym, location loc); +void grammar_current_rule_dprec_set (int dprec, location loc); +void grammar_current_rule_merge_set (uniqstr name, location loc); +void grammar_current_rule_symbol_append (symbol *sym, location loc, + named_ref *named_ref); +void grammar_current_rule_action_append (const char *action, location loc, + named_ref *named_ref); +void reader (void); +void free_merger_functions (void); + +extern merger_list *merge_functions; -extern void reader PARAMS ((void)); +/* Was %union seen? */ +extern bool union_seen; +/* Was a tag seen? */ +extern bool tag_seen; -extern int lineno; -extern char **tags; -extern short *user_toknums; +/* Should rules have a default precedence? */ +extern bool default_prec; #endif /* !READER_H_ */