altos/lisp: re-use small frames

[fw/altos] / src / lisp / ao_lisp_lambda.c

diff --git a/src/lisp/ao_lisp_lambda.c b/src/lisp/ao_lisp_lambda.c
index 0dd8c698646703ea5f0a0057de4d7b9faee937d6..8b7617144b61d4625ab56d0719f46fcc2b92826b 100644 (file)
--- a/src/lisp/ao_lisp_lambda.c
+++ b/src/lisp/ao_lisp_lambda.c
@@ -94,7 +94,7 @@ ao_lisp_lambda_alloc(struct ao_lisp_cons *code, int args)
        lambda->type = AO_LISP_LAMBDA;
        lambda->args = args;
        lambda->code = ao_lisp_cons_poly(code);
-       lambda->frame = ao_lisp_frame_poly(ao_lisp_frame_current);
+       lambda->frame = ao_lisp_frame_mark(ao_lisp_frame_current);
        DBGI("build frame: "); DBG_POLY(lambda->frame); DBG("\n");
        DBG_STACK();
        return ao_lisp_lambda_poly(lambda);
@@ -179,7 +179,7 @@ ao_lisp_lambda_eval(void)
                next_frame->vals[0].val = cons->cdr;
                break;
        }
-       next_frame->next = lambda->frame;
+       next_frame->prev = lambda->frame;
        DBGI("eval frame: "); DBG_POLY(ao_lisp_frame_poly(next_frame)); DBG("\n");
        ao_lisp_frame_current = next_frame;
        ao_lisp_stack->frame = ao_lisp_frame_poly(ao_lisp_frame_current);