[MacRuby-devel] Calling Block-based C APIs with Ruby Procs

[Perry E. Metzger]

On Tue, 7 Dec 2010 18:24:16 -0800 Laurent Sansonetti
<lsansonetti at apple.com> wrote:
> On Dec 7, 2010, at 6:14 PM, Perry E. Metzger wrote:
> 
> > On Tue, 7 Dec 2010 16:13:13 -0800 Laurent Sansonetti
> > <lsansonetti at apple.com> wrote:
> >> Hi Saul,
> >> 
> >> Did you install the BridgeSupport preview 1 release? Without it,
> >> C blocks won't work in MacRuby.
> >> 
> >> http://www.macruby.org/blog/2010/10/08/bridgesupport-preview.html
> > 
> > Even without the BridgeSupport stuff, it should not segfault, it
> > should error out, preferably with a human comprehensible error.
> > It is bad behavior for an HLL interpreter to register its
> > displeasure by crashing…
> 
> Agreed, however we can't avoid crashing here, as this happens in
> the C/Objective-C side of the bridge. MacRuby will let you pass
> most objects to native APIs, but without proper BridgeSupport
> signatures, these objects might not be properly converted.

And there is no way to check for the presence of a signature before
attempting this?

Perry
-- 
Perry E. Metzger		perry at piermont.com