altos/lisp: re-use small frames

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

diff --git a/src/lisp/ao_lisp_error.c b/src/lisp/ao_lisp_error.c
index 8b9fe2d5fd4d6f9e6993d6ba8b79c4ef2710c8d4..2b15c4184c99f4ef24565366fcc2cde93166e90b 100644 (file)
--- a/src/lisp/ao_lisp_error.c
+++ b/src/lisp/ao_lisp_error.c
@@ -49,7 +49,7 @@ ao_lisp_error_frame(int indent, char *name, struct ao_lisp_frame *frame)
        tabs(indent);
        printf ("%s{", name);
        if (frame) {
-               for (f = 0; f < frame->num; f++) {
+               for (f = 0; f < ao_lisp_frame_num(frame); f++) {
                        if (f != 0) {
                                tabs(indent);
                                printf("         ");
@@ -59,8 +59,8 @@ ao_lisp_error_frame(int indent, char *name, struct ao_lisp_frame *frame)
                        ao_lisp_poly_print(frame->vals[f].val);
                        printf("\n");
                }
-               if (frame->next)
-                       ao_lisp_error_frame(indent + 1, "next:   ", ao_lisp_poly_frame(frame->next));
+               if (frame->prev)
+                       ao_lisp_error_frame(indent + 1, "prev:   ", ao_lisp_poly_frame(frame->prev));
        }
        tabs(indent);
        printf("        }\n");
@@ -73,6 +73,7 @@ static const char *state_names[] = {
        "exec",
        "cond",
        "cond_test",
+       "progn",
 };
 
 void