X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/1e0bab92768860bfecd95f01227df9b1c25da2cb..68f91d58f15abe21c65a8b4d7022ccb854c857dc:/src/reader.h diff --git a/src/reader.h b/src/reader.h index 82419402..bc4ac55e 100644 --- a/src/reader.h +++ b/src/reader.h @@ -1,88 +1,71 @@ -/* Input parser for bison - Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. +/* Input parser for Bison + + Copyright (C) 2000-2003, 2005-2007, 2009-2013 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" - -typedef struct symbol_list -{ - struct symbol_list *next; - symbol_t *sym; - location_t location; - - /* The action is attached to the LHS of a rule. */ - const char *action; - location_t action_location; - - symbol_t *ruleprec; -} symbol_list; - -symbol_list *symbol_list_new PARAMS ((symbol_t *sym, location_t location)); -symbol_list *symbol_list_prepend PARAMS ((symbol_list *list, - symbol_t *sym, location_t location)); +# include "symlist.h" +# include "named-ref.h" # include "parse-gram.h" -typedef struct gram_control_s +typedef struct merger_list { - int errcode; -} gram_control_t; - -/* From the scanner. */ -extern FILE *gram_in; -extern int gram__flex_debug; -void scanner_last_string_free PARAMS ((void)); -void scanner_initialize PARAMS ((void)); -void scanner_free PARAMS ((void)); - -# define YY_DECL \ - int gram_lex (yystype *yylval, location_t *yylloc, \ - gram_control_t *yycontrol) -YY_DECL; - + struct merger_list* next; + uniqstr name; + uniqstr type; + location type_declaration_location; +} merger_list; /* From the parser. */ extern int gram_debug; -void gram_error (gram_control_t *control, - location_t *loc, const char *msg); -int gram_parse (void *control); +int gram_parse (void); +char const *token_name (int type); -char *get_type_name PARAMS ((int n, symbol_list *rule)); -extern int typed; /* From reader.c. */ -void grammar_start_symbol_set PARAMS ((symbol_t *s, location_t l)); -void prologue_augment PARAMS ((const char *prologue, location_t location)); -void epilogue_set PARAMS ((const char *epilogue, location_t location)); -void grammar_symbol_append PARAMS ((symbol_t *s, location_t l)); -void grammar_rule_begin PARAMS ((symbol_t *lhs, location_t l)); -void grammar_rule_end PARAMS ((location_t l)); -void grammar_midrule_action PARAMS ((void)); -void grammar_current_rule_prec_set PARAMS ((symbol_t *precsym)); -void grammar_current_rule_symbol_append PARAMS ((symbol_t *symbol, - location_t l)); -void grammar_current_rule_action_append PARAMS ((const char *action, - location_t l)); -extern symbol_list *current_rule; -void reader PARAMS ((void)); +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 *nref); +void grammar_current_rule_action_append (const char *action, location loc, + named_ref *nref); +void reader (void); +void free_merger_functions (void); + +extern merger_list *merge_functions; + +/* 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_ */