frontend: repl: print and destroy ast nodes after parsing

frontend/cmd/repl.c

@@ -108,6 +108,18 @@ static int repl_full()
 			skip_line(lex);
 			continue;
 		}
+
+		if (!ivy_parser_node_complete(parser)) {
+			continue;
+		}
+
+		struct ivy_ast_node *node = ivy_parser_dequeue_node(parser);
+		if (!node) {
+			continue;
+		}
+
+		ivy_ast_node_print(node);
+		ivy_ast_node_destroy(node);
 	}
 
 	ivy_parser_destroy(parser);