Ruby

* Exception#display [Feature #14141]

* exception.display(port=$stderr) -> nil

*

* Prints formatted <i>exception</i> on the given port (default to <code>$stderr</code>).

* Format includes backtrace, exception class and exception message.

*

* This method is useful to log caught exceptions.

*

* begin

* some_work

* rescue => e

* e.display

* retry

* end

*/

static VALUE

exc_display(int argc, VALUE *argv, VALUE exc)

{

VALUE str = rb_str_new2("");

VALUE out;

if (argc == 0) {

out = rb_stderr;

}

else {

rb_scan_args(argc, argv, "01", &out);

}

rb_ec_error_write(exc, Qundef, str);

rb_io_write(out, str);

return Qnil;

}

/*

* call-seq:

rb_define_method(rb_eException, "display", exc_display, -1);