altos/lisp: convert GC to non-recursive

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

diff --git a/src/lisp/ao_lisp_frame.c b/src/lisp/ao_lisp_frame.c
index 8bf985710c73d7b94ae4b5be0046131604be9cb7..8791c4de8804780a03a5c1e744480e4b198e1244 100644 (file)
--- a/src/lisp/ao_lisp_frame.c
+++ b/src/lisp/ao_lisp_frame.c
@@ -48,7 +48,7 @@ frame_mark(void *addr)
                for (f = 0; f < frame->num; f++) {
                        struct ao_lisp_val      *v = &frame->vals[f];
 
-                       ao_lisp_poly_mark(v->val);
+                       ao_lisp_poly_mark(v->val, 0);
                        DBG ("\tframe mark atom %s %d val %d at %d\n",
                             ao_lisp_poly_atom(v->atom)->name,
                             OFFSET(v->atom), OFFSET(v->val), f);
@@ -69,19 +69,28 @@ frame_move(void *addr)
        int                     f;
 
        for (;;) {
+               struct ao_lisp_frame    *next;
+               int                     ret;
+
                DBG("frame move %p\n", frame);
                if (!AO_LISP_IS_POOL(frame))
                        break;
                for (f = 0; f < frame->num; f++) {
                        struct ao_lisp_val      *v = &frame->vals[f];
 
-                       ao_lisp_poly_move(&v->atom);
+                       ao_lisp_poly_move(&v->atom, 0);
                        DBG("moved atom %s\n", ao_lisp_poly_atom(v->atom)->name);
-                       ao_lisp_poly_move(&v->val);
+                       ao_lisp_poly_move(&v->val, 0);
                }
-               if (ao_lisp_poly_move(&frame->next))
+               next = ao_lisp_poly_frame(frame->next);
+               ret = 1;
+               if (next)
+                       ret = ao_lisp_move_memory((void **) &next, frame_size(next));
+               if (next != ao_lisp_poly_frame(frame->next))
+                       frame->next = ao_lisp_frame_poly(next);
+               if (ret)
                        break;
-               frame = ao_lisp_poly_frame(frame->next);
+               frame = next;
        }
 }