py: With obj repr "C", change raw str accessor from macro to function.

This saves around 1000 bytes (Thumb2 arch) because in repr "C" it is
costly to check and extract a qstr.  So making such check/extract a
function instead of a macro saves lots of code space.

1 files changed, 11 insertions, 0 deletions

diff --git a/py/objstr.c b/py/objstr.c
index 6ada37b90..94a63c231 100644
--- a/py/objstr.c
+++ b/py/objstr.c
@@ -2038,6 +2038,17 @@ const char *mp_obj_str_get_data(mp_obj_t self_in, mp_uint_t *len) {
     }
 }
 
+#if MICROPY_OBJ_REPR == MICROPY_OBJ_REPR_C
+const byte *mp_obj_str_get_data_no_check(mp_obj_t self_in, mp_uint_t *len) {
+    if (MP_OBJ_IS_QSTR(self_in)) {
+        return qstr_data(MP_OBJ_QSTR_VALUE(self_in), len);
+    } else {
+        *len = ((mp_obj_str_t*)self_in)->len;
+        return ((mp_obj_str_t*)self_in)->data;
+    }
+}
+#endif
+
 /******************************************************************************/
 /* str iterator                                                               */