py: Add support for _ in REPL to hold last computed value.
Only available when MICROPY_CAN_OVERRIDE_BUILTINS is enabled.
diff --git a/py/modbuiltins.c b/py/modbuiltins.c
index 1f33ab7..45fb3ff 100644
--- a/py/modbuiltins.c
+++ b/py/modbuiltins.c
@@ -416,6 +416,10 @@
mp_obj_print_helper(&mp_plat_print, o, PRINT_REPR);
mp_print_str(&mp_plat_print, "\n");
#endif
+ #if MICROPY_CAN_OVERRIDE_BUILTINS
+ mp_obj_t dest[2] = {MP_OBJ_SENTINEL, o};
+ mp_type_module.attr((mp_obj_t)&mp_module_builtins, MP_QSTR__, dest);
+ #endif
}
return mp_const_none;
}
diff --git a/py/qstrdefs.h b/py/qstrdefs.h
index dcde1b5..161d231 100644
--- a/py/qstrdefs.h
+++ b/py/qstrdefs.h
@@ -35,6 +35,7 @@
Q()
Q(*)
+Q(_)
Q(__build_class__)
Q(__class__)
Q(__doc__)