diff options
Diffstat (limited to 'error.c')
-rw-r--r-- | error.c | 26 |
1 files changed, 22 insertions, 4 deletions
@@ -554,15 +554,33 @@ exc_set_backtrace(VALUE exc, VALUE bt) static VALUE exc_equal(VALUE exc, VALUE obj) { + VALUE mesg, backtrace; ID id_mesg; if (exc == obj) return Qtrue; - if (rb_obj_class(exc) != rb_obj_class(obj)) - return Qfalse; CONST_ID(id_mesg, "mesg"); - if (!rb_equal(rb_attr_get(exc, id_mesg), rb_attr_get(obj, id_mesg))) + + if (rb_obj_class(exc) != rb_obj_class(obj)) { + ID id_message, id_backtrace; + CONST_ID(id_message, "message"); + CONST_ID(id_backtrace, "backtrace"); + + if (rb_respond_to(obj, id_message) && rb_respond_to(obj, id_backtrace)) { + mesg = rb_funcall(obj, id_message, 0, 0); + backtrace = rb_funcall(obj, id_backtrace, 0, 0); + } + else { + return Qfalse; + } + } + else { + mesg = rb_attr_get(obj, id_mesg); + backtrace = exc_backtrace(obj); + } + + if (!rb_equal(rb_attr_get(exc, id_mesg), mesg)) return Qfalse; - if (!rb_equal(exc_backtrace(exc), exc_backtrace(obj))) + if (!rb_equal(exc_backtrace(exc), backtrace)) return Qfalse; return Qtrue; } |