diff options
Diffstat (limited to 'error.c')
-rw-r--r-- | error.c | 9 |
1 files changed, 9 insertions, 0 deletions
@@ -780,6 +780,14 @@ rb_exc_set_backtrace(VALUE exc, VALUE bt) return exc_set_backtrace(exc, bt); } +VALUE +exc_cause(VALUE exc) +{ + ID id_cause; + CONST_ID(id_cause, "cause"); + return rb_attr_get(exc, id_cause); +} + static VALUE try_convert_to_exception(VALUE obj) { @@ -1742,6 +1750,7 @@ Init_Exception(void) rb_define_method(rb_eException, "inspect", exc_inspect, 0); rb_define_method(rb_eException, "backtrace", exc_backtrace, 0); rb_define_method(rb_eException, "set_backtrace", exc_set_backtrace, 1); + rb_define_method(rb_eException, "cause", exc_cause, 0); rb_eSystemExit = rb_define_class("SystemExit", rb_eException); rb_define_method(rb_eSystemExit, "initialize", exit_initialize, -1); |