[Pkg-squeak-devel] Bug#710375: Fwd: RegEx and RePlugin (was: [Vm-dev] Re: [unix] RePlugin patch for pcre)

[Bert Freudenberg]

Forwarding a message from the upstream developers list below. The Debian patch appears to only make the build succeed, but does not restore the proper functioning. Upstream bug report at
http://bugs.squeak.org/view.php?id=7785

- Bert -

Begin forwarded message:

> From: "David T. Lewis" <lewis at mail.msen.com>
> Subject: RegEx and RePlugin (was: [Vm-dev] Re: [unix] RePlugin patch for pcre)
> Date: 15. August 2013 04:43:56 MESZ
> To: Squeak Virtual Machine Development Discussion <vm-dev at lists.squeakfoundation.org>
> Cc: squeak-dev at squeakfoundation.org
> Reply-To: Squeak Virtual Machine Development Discussion <vm-dev at lists.squeakfoundation.org>
> 
> 
> On Tue, Aug 13, 2013 at 09:06:59AM -0400, David T. Lewis wrote:
>> 
>> On Mon, Aug 12, 2013 at 03:17:11PM -0700, Ian Piumarta wrote:
>>> 
>>> This is a patch to generated source.  Who's maintaining the image-side code these days?  If nobody, does anyone volunteer to adopt it?
>>> 
>>> On Aug 12, 2013, at 08:50 , Bert Freudenberg wrote:
>>> 
>>>>> attached patch should fix it
>>>>> there is another mention in RePlugin.cs but I have no idea what that is (smalltalk I guess?) so its still there
>>>> <pcre-compat.patch>
>> 
>> We pulled the RePlugin in VMMaker some time ago, so the update can be done
>> there. I'll try to get the patch done, and regenerate the trunk/src, by this
>> weekend at the latest (unless someone else gets to it first).
>> 
>> Dave
> 
> I took a look at the Debian patch, and it simply disables the offending
> primitive, so I think that a bit more work may be needed to update to the
> current version of the pcre library.
> 
> I did some searching through the Swiki and SqueakMap, and here is a summary
> of what I found:
> 
> RePlugin was written by Andrew C. Greenberg. It consists of a VM plugin in
> package RegexPlugin, some interface classes in package Regex-Base, and a
> test suite in package Regex-tests.
> 
> An overview is on the Swiki at http://wiki.squeak.org/squeak/558.
> 
> The RePlugin distribution is on SqueakMap as package "Regular Expression
> Plugin". The most recent update is version 3.31, which is a SAR distribution
> containing the plugin, the image support code, the unit tests, and documention.
> The package is fully functional and all tests are green when running on a
> 32-bit VM (e.g. an interpreter VM from www.squeakvm.org/unix, or Cog if the
> plugin is present).
> 
> The RePlugin is now part of the VMMaker package, so the RegexPlugin package
> from the SqueakMap distribution is superceded by the RePlugin VMMaker-Plugins.
> 
> The RePlugin in VMMaker requires an update to use the newer pcre_fullinfo()
> function rather than the obsolete pcre_info() function, which is no longer
> present in some unix/linux distributions, as reported on
> http://bugs.squeak.org/view.php?id=7785.
> 
> Additional follow up required:
> 
> The RePlugin requires updates for 32/64 bit compilation. It crashes the VM
> when compiled in 64-bit mode.
> 
> The Regex package needs a new home in a Monticello repository to support
> new updates, and to allow Regex to be distributed separately from the plugin.
> 
> The SqueakMap registry for Regular Expression Plugin needs a new (or additional)
> maintainer.
> 
> Dave
>