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, 4 deletions

diff --git a/py/emit.h b/py/emit.h
index 7d00f11f9..6acae9e80 100644
--- a/py/emit.h
+++ b/py/emit.h
@@ -110,9 +110,9 @@ typedef struct _emit_method_table_t {
     void (*setup_except)(emit_t *emit, mp_uint_t label);
     void (*setup_finally)(emit_t *emit, mp_uint_t label);
     void (*end_finally)(emit_t *emit);
-    void (*get_iter)(emit_t *emit);
+    void (*get_iter)(emit_t *emit, bool use_stack);
     void (*for_iter)(emit_t *emit, mp_uint_t label);
-    void (*for_iter_end)(emit_t *emit);
+    void (*for_iter_end)(emit_t *emit, bool use_stack);
     void (*pop_block)(emit_t *emit);
     void (*pop_except)(emit_t *emit);
     void (*unary_op)(emit_t *emit, mp_unary_op_t op);
@@ -228,9 +228,9 @@ void mp_emit_bc_with_cleanup(emit_t *emit, mp_uint_t label);
 void mp_emit_bc_setup_except(emit_t *emit, mp_uint_t label);
 void mp_emit_bc_setup_finally(emit_t *emit, mp_uint_t label);
 void mp_emit_bc_end_finally(emit_t *emit);
-void mp_emit_bc_get_iter(emit_t *emit);
+void mp_emit_bc_get_iter(emit_t *emit, bool use_stack);
 void mp_emit_bc_for_iter(emit_t *emit, mp_uint_t label);
-void mp_emit_bc_for_iter_end(emit_t *emit);
+void mp_emit_bc_for_iter_end(emit_t *emit, bool use_stack);
 void mp_emit_bc_pop_block(emit_t *emit);
 void mp_emit_bc_pop_except(emit_t *emit);
 void mp_emit_bc_unary_op(emit_t *emit, mp_unary_op_t op);