I've just merged your changes into the main repo.
Sorry for the delay, we had some technical problems with our sync server.

Tomas

-----Original Message-----
From: ironruby-core-boun...@rubyforge.org 
[mailto:ironruby-core-boun...@rubyforge.org] On Behalf Of Daniele Alessandri
Sent: Sunday, August 22, 2010 2:45 AM
To: ironruby-core@rubyforge.org
Subject: Re: [Ironruby-core] Review: miscellaneous fixes

On Sun, Aug 22, 2010 at 02:43, Tomas Matousek <tomas.matou...@microsoft.com> 
wrote:

I have rebased my local branch on top of your latest changes and removed the 
unneeded commits, now everything is available on my remote repository in a 
separate topic branch (see http://github.com/nrk/ironruby/tree/corelib19). The 
three commits "survived" are:

793effd Implement Array#pop(n).
503002f Fix: Object#=~ returns nil matching any object.
7a6275b Update the unsigned version of App.config to pick the right library 
paths for 1.9.

See 
http://github.com/nrk/ironruby/compare/014e640ed27c28ff97fb...793effd4d75f39f36ff3
There are also new changes in that branch, but I'm going to post a new message 
with a separate diff for those.


> 304459b Implement various fixes to Kernel and Array related to the 
> trust status of Object instances.
>
> [Better fix would be:
> return stream.String.TaintBy(format);

Fix applied... and it actually lead me to notice a bug related to operations on 
the trust status of MutableString instances (see below):

>>> "".untrust
=> ""
>>> "".untrust.untrust
(ir):1:in `untrust': can't modify frozen object (RuntimeError)
        from (ir):1
>>> "".untrust.trust
(ir):1:in `trust': can't modify frozen object (RuntimeError)
        from (ir):1
>>> "".trust.untrust
=> ""


> Note that context.TaintObjectBy should only be used on objects that 
> are not statically typed to a type that implements IRubyObjectState. 
> MutableString does.

Ah, right!


>> - If nothing has changed since the last time, I guess you can't still 
>> merge changes coming from the community that don't apply to parts of 
>> IronRuby outside Libraries.LCA_RESTRICTED, right?

> [Nothing changed yet.]

I think I still need to find a decent workflow when working on stuff that can't 
be merged back by you because of the current constraints, maybe I'll just limit 
myself to do some experiments in a further branch and report back just like I 
did in my previous mail.


> [I'm not sure this is needed. Instead I modified TaintObjectBy to copy 
> trustiness as well - it seems that most of the time "trust" and 
> "taint" are both copied.
> This makes the changes in KernelOps.cs unnecessary (Clone, Trust, 
> Untrust, Taint, Untaint). And also the change in IListOps.Repetition and 
> Compact.
> ]

If trust and taint are both copied then yes, I agree that's the way to go. I 
just wasn't sure about this behaviour so I thought that keeping them separate 
(with maybe a new method in RubyContext such as CopyFlags or anything along 
this line) might have been safer.

--
Daniele Alessandri
http://clorophilla.net/
http://twitter.com/JoL1hAHN
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