objexcept: Add mp_obj_exception_get_value() convenience function.

This gets "value" of exceptions in the sense as it's defined for
StopIteration.value (i.e. args[0] or None).

TODO: This really should be inline function.

1 files changed, 1 insertions, 0 deletions

diff --git a/py/obj.h b/py/obj.h
index b52b5a0c7..0dc392b83 100644
--- a/py/obj.h
+++ b/py/obj.h
@@ -313,6 +313,7 @@ bool mp_obj_is_exception_instance(mp_obj_t self_in);
 void mp_obj_exception_clear_traceback(mp_obj_t self_in);
 void mp_obj_exception_add_traceback(mp_obj_t self_in, qstr file, machine_uint_t line, qstr block);
 void mp_obj_exception_get_traceback(mp_obj_t self_in, machine_uint_t *n, machine_uint_t **values);
+mp_obj_t mp_obj_exception_get_value(mp_obj_t self_in);
 
 // str
 extern const mp_obj_type_t str_type;