grammar: introduce %empty

[bison.git] / src / reader.h

diff --git a/src/reader.h b/src/reader.h
index 2a78f30ab863e2b95b9060824d31f36fc3825d44..ba6ffe6edca76c8a91d2a4a81c5ee9e03cbd034e 100644 (file)
--- a/src/reader.h
+++ b/src/reader.h
@@ -1,6 +1,6 @@
 /* Input parser for Bison
 
 /* Input parser for Bison
 

-   Copyright (C) 2000-2003, 2005-2007, 2009-2012 Free Software
+   Copyright (C) 2000-2003, 2005-2007, 2009-2013 Free Software

    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -47,13 +47,15 @@ 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);
                                  named_ref *lhs_named_ref);
 void grammar_current_rule_end (location loc);
 void grammar_midrule_action (void);

+/* Apply %empty to the current rule.  */
+void grammar_current_rule_empty_set (location loc);

 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,
 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);
+                                         named_ref *nref);

 void grammar_current_rule_action_append (const char *action, location loc,
 void grammar_current_rule_action_append (const char *action, location loc,

-                                         named_ref *named_ref, bool);
+                                         named_ref *nref, bool);

 void reader (void);
 void free_merger_functions (void);
 
 void reader (void);
 void free_merger_functions (void);