allow omission of location in reductions

There is code in here for omission of location and data in reductions.
Unfortunately we cannot enable the omission of data unless we make changes to
the backtracking. In the current implementation we push the token data with an
mcopy from the data in the token.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/program.h b/src/program.h
index c2c67d83..d39b4f4a 100644
--- a/src/program.h
+++ b/src/program.h
@@ -99,6 +99,8 @@ struct colm_sections
 			struct pda_run *pda_run, struct stream_impl *input_stream );
 	void (*init_bindings)( struct pda_run *pda_run );
 	void (*pop_binding)( struct pda_run *pda_run, parse_tree_t *tree );
+
+	void (*init_need)();
 };
 
 struct heap_list