X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/4cdb01db9b73ce7678584e70f41d6adb3c53fcd7..ccdc1577ef7fb32a5e30cb655337e7cd42b98987:/src/reader.h?ds=sidebyside diff --git a/src/reader.h b/src/reader.h index 29d95b1d..2a78f30a 100644 --- a/src/reader.h +++ b/src/reader.h @@ -1,114 +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, 2009-2012 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_ -typedef struct symbol_list -{ - struct symbol_list *next; - symbol_t *sym; - int line; - - /* The action is attached to the LHS of a rule. */ - const char *action; - int action_line; - - symbol_t *ruleprec; -} symbol_list; +# include "location.h" +# include "symlist.h" +# include "named-ref.h" # include "parse-gram.h" -typedef int location_t; - -/* Initialize LOC. */ -# define LOCATION_RESET(Loc) \ - (Loc).first_column = (Loc).first_line = 1; \ - (Loc).last_column = (Loc).last_line = 1; - -/* Advance of NUM columns. */ -# define LOCATION_COLUMNS(Loc, Num) \ - (Loc).last_column += Num; - -/* Advance of NUM lines. */ -# define LOCATION_LINES(Loc, Num) \ - (Loc).last_column = 1; \ - (Loc).last_line += Num; - -/* Restart: move the first cursor to the last position. */ -# define LOCATION_STEP(Loc) \ - (Loc).first_column = (Loc).last_column; \ - (Loc).first_line = (Loc).last_line; - -/* Output LOC on the stream OUT. */ -# define LOCATION_PRINT(Out, Loc) \ - fprintf (stderr, "%s:", infile); \ - if ((Loc).first_line != (Loc).last_line) \ - fprintf (Out, "%d.%d-%d.%d", \ - (Loc).first_line, (Loc).first_column, \ - (Loc).last_line, (Loc).last_column - 1); \ - else if ((Loc).first_column < (Loc).last_column - 1) \ - fprintf (Out, "%d.%d-%d", (Loc).first_line, \ - (Loc).first_column, (Loc).last_column - 1); \ - else \ - fprintf (Out, "%d.%d", (Loc).first_line, (Loc).first_column) - -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_free PARAMS ((void)); - -# define YY_DECL \ - int gram_lex (yystype *yylval, yyltype *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, - yyltype *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)); -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)); -void grammar_rule_begin PARAMS ((symbol_t *lhs)); -void grammar_rule_end PARAMS ((void)); -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)); -void grammar_current_rule_action_append PARAMS ((const char *action, - int line)); -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 *named_ref); +void grammar_current_rule_action_append (const char *action, location loc, + named_ref *named_ref, bool); +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_ */