grammar: introduce %empty

[bison.git] / src / reader.h

diff --git a/src/reader.h b/src/reader.h
index e154deb02e234929e83d481aaeffe09fe0178294..ba6ffe6edca76c8a91d2a4a81c5ee9e03cbd034e 100644 (file)
--- a/src/reader.h
+++ b/src/reader.h
@@ -1,6 +1,6 @@
 /* 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.
@@ -44,16 +44,18 @@ 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);
+                                 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,
-                                        named_ref *nref);
+                                         named_ref *nref);
 void grammar_current_rule_action_append (const char *action, location loc,
-                                        named_ref *nref);
+                                         named_ref *nref, bool);
 void reader (void);
 void free_merger_functions (void);