Add a mark-sweep garbage collector

1 files changed, 5 insertions, 1 deletions

diff --git a/repl.c b/repl.c
index d179429..14e833c 100644
--- a/repl.c
+++ b/repl.c
@@ -16,7 +16,7 @@ repl(void)
 		Term *query = parse(fd, nil, 1);
 		Binding *bindings = nil;
 		choicestack = nil;
-		goalstack = nil; /* should free old choicestack and goalstack */
+		goalstack = nil;
 		int success;
 		int firsttime = 1;
 FindMore:
@@ -50,6 +50,10 @@ FindMore:
 				print(".\n");
 			}
 		}
+
+		vlong amount = collectgarbage();
+		if(amount != 0)
+			print("Collected %lld bytes of garbage\n", amount);
 	}
 }