On Fri, Mar 22, 2013 at 1:48 AM, Robert O'Callahan <robert@ocallahan.org>wrote: > On Fri, Mar 22, 2013 at 7:48 AM, Rik Cabanier <cabanier@gmail.com> wrote: > >> On Thu, Mar 21, 2013 at 11:38 AM, Tab Atkins Jr. <jackalmage@gmail.com>wrote: >> >>> Only if you actually throw it. It's not eagerly created every call. >>> >> >> I worked a little with the mozilla code base and it seems that they >> always create the object. >> It's probably not a huge amount of overhead since it's not dynamically >> allocated. >> > > We certainly don't create a JS exception object if an exception is not > actually thrown. > If a function is marked as throwing in the IDL, doesn't it get an exception object as a parameter on the C++ side?
Received on Friday, 22 March 2013 16:15:09 UTC