py: Allow bytecode/native to put iter_buf on stack for simple for loops.

So that the "for x in it: ..." statement can now work without using the
heap (so long as the iterator argument fits in an iter_buf structure).

1 files changed, 4 insertions, 0 deletions

diff --git a/py/showbc.c b/py/showbc.c
index 9d20decdc..b52905f67 100644
--- a/py/showbc.c
+++ b/py/showbc.c
@@ -387,6 +387,10 @@ const byte *mp_bytecode_print_str(const byte *ip) {
             printf("GET_ITER");
             break;
 
+        case MP_BC_GET_ITER_STACK:
+            printf("GET_ITER_STACK");
+            break;
+
         case MP_BC_FOR_ITER:
             DECODE_ULABEL; // the jump offset if iteration finishes; for labels are always forward
             printf("FOR_ITER " UINT_FMT, (mp_uint_t)(ip + unum - mp_showbc_code_start));