X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f6d03984aed6f26147de8fdb9e63fe35b43e15a7..fcd32abd3a4b68ef525d7766dbed1c98465e23b9:/src/reader.h diff --git a/src/reader.h b/src/reader.h index 02e04730..e5710052 100644 --- a/src/reader.h +++ b/src/reader.h @@ -1,85 +1,71 @@ -/* Input parser for bison - Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. +/* Input parser for Bison + + Copyright (C) 2000, 2001, 2002, 2003, 2005, 2006, 2007, 2009 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_ +# include "location.h" # include "symlist.h" +# include "named-ref.h" + # include "parse-gram.h" typedef struct merger_list { struct merger_list* next; - struniq_t name; - struniq_t type; -} -merger_list; - -/* From the scanner. */ -extern FILE *gram_in; -extern int gram__flex_debug; -void scanner_initialize (void); -void scanner_free (void); -void scanner_last_string_free (void); - -# define YY_DECL int gram_lex (yystype *val, location_t *loc) -YY_DECL; - + uniqstr name; + uniqstr type; + location type_declaration_location; +} merger_list; /* From the parser. */ extern int gram_debug; -void gram_error (location_t const *loc, char const *msg); int gram_parse (void); - -/* The sort of braced code we are in. */ -typedef enum braced_code_e - { - action_braced_code, - destructor_braced_code, - printer_braced_code - } braced_code_t; -/* FIXME: This is really a dirty hack which demonstrates that we - should probably not try to parse the actions now. */ -extern braced_code_t current_braced_code; +char const *token_name (int type); /* From reader.c. */ -void grammar_start_symbol_set (symbol_t *s, location_t l); -void prologue_augment (const char *prologue, location_t location); -void epilogue_augment (const char *epilogue, location_t location); -void grammar_symbol_append (symbol_t *s, location_t l); -void grammar_rule_begin (symbol_t *lhs, location_t l); -void grammar_rule_end (location_t l); +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_t *precsym, location_t l); -void grammar_current_rule_dprec_set (int dprec, location_t l); -void grammar_current_rule_merge_set (struniq_t name, location_t l); - -void grammar_current_rule_symbol_append (symbol_t *symbol, location_t l); -void grammar_current_rule_action_append (const char *action, location_t l); -extern symbol_list_t *current_rule; +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 int typed; +/* Was %union seen? */ +extern bool union_seen; + +/* Was a tag seen? */ +extern bool tag_seen; + +/* Should rules have a default precedence? */ +extern bool default_prec; #endif /* !READER_H_ */