make it optional to clean trees as we reduce

Was always freeing trees after each reduction action. Can now turn this off and
have the trees underneath what we have reduced available.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/colm.h b/src/colm.h
index 79dc2493..aac0ee2c 100644
--- a/src/colm.h
+++ b/src/colm.h
@@ -131,6 +131,7 @@ int colm_delete_program( struct colm_program *prg );
 /* Set the pointer to the reduce struct used. */
 void *colm_get_reduce_ctx( struct colm_program *prg );
 void colm_set_reduce_ctx( struct colm_program *prg, void *ctx );
+void colm_set_reduce_clean( struct colm_program *prg, unsigned char reduce_clean );
 
 const char *colm_error( struct colm_program *prg, int *length );