[MacRuby-devel] macruby nightly build 2009-09-10

Wed Sep 23 16:56:21 PDT 2009

Hi, Objective-C could use GC and non-GC for memory management on the
desktop.
-Conrad

On Wed, Sep 23, 2009 at 4:51 PM, Jordan Breeding <jordan.breeding at me.com>wrote:

> So in that case Ruby would be garbage collected, but ObjC code it uses will
> be ref counted?
>
> Sent from my iPhone
>
>
> On Sep 23, 2009, at 18:00, Laurent Sansonetti <lsansonetti at apple.com>
> wrote:
>
>  Hi Conrad,
>>
>> The thing is, MacRuby is built on top of the ObjC GC, so there is
>> currently no way you can not use it :)
>>
>> In the future we might introduce a mode where MacRuby doesn't use this GC,
>> but it's all tentative.
>>
>> Laurent
>>
>> On Sep 23, 2009, at 3:58 PM, Conrad Taylor wrote:
>>
>>  Laurent, I understand that one should use the GC for MacRuby but why do
>>> we have such a restriction?  Just curious about the history here.
>>>
>>> Thanks in advance,
>>>
>>> -Conrad
>>>
>>> On Wed, Sep 23, 2009 at 3:49 PM, Laurent Sansonetti <
>>> lsansonetti at apple.com> wrote:
>>> Hi Robert,
>>>
>>> The problem here is dealloc. Same reason, dealloc is ignored by the
>>> runtime, and you should not use it in MacRuby, it will never be called.
>>>
>>> I just fixed macruby to not crash in case autorelease or dealloc is used,
>>> but keep in mind that using these selectors won't do anything.
>>>
>>> Laurent
>>>
>>>
>>> On Sep 23, 2009, at 2:46 PM, Robert Rice wrote:
>>>
>>> Hi Laurent:
>>>
>>> Thanks for your quick reply. I have attached another file that causes a
>>> similar crash without a call to autorelease.
>>>
>>> Bob Rice
>>> <OutlineRowNode.rb>
>>>
>>>
>>>
>>> On Sep 23, 2009, at 3:24 PM, Laurent Sansonetti wrote:
>>>
>>> Hi Robert,
>>>
>>> The problem is line 68, the call to autorelease. If you remove it it
>>> should load again. The reason is that autorelease (like release and retain)
>>> are ignored selectors of the runtime. Clearly we should not crash this way,
>>> I will fix that.
>>>
>>> Also, keep in mind that retain, release and autorelease should not be
>>> used in MacRuby. We run under GC mode which makes these calls no-ops.
>>>
>>> Laurent
>>>
>>> On Sep 23, 2009, at 12:18 PM, Robert Rice wrote:
>>>
>>> Hi Laurent:
>>>
>>> Thanks for your offer to help. Sorry I was busy with another project but
>>> now I get back to MacRuby.
>>>
>>> I have attached a file that causes the assertion error when loaded by the
>>> require command. Probably there is something else I need to change when
>>> porting from Ruby-Cocoa.
>>>
>>> Thanks,
>>> Bob Rice
>>> <JBH_F7575101_WindowController.rb>
>>>
>>> On Sep 12, 2009, at 3:08 PM, Laurent Sansonetti wrote:
>>>
>>> Hi Robert,
>>>
>>> Unless you found what was wrong, feel free to contact me off-list with a
>>> copy of your app and I will investigate the problem.
>>>
>>> Laurent
>>>
>>> On Sep 12, 2009, at 9:48 AM, Robert Rice wrote:
>>>
>>> Hi Laurent:
>>>
>>> It's a relatively large application that I ported from a RubyCocoa
>>> environment.
>>> I need the threading support hook that was removed from Ruby in the Snow
>>> Leopard release.
>>>
>>> I'll try to track it down better by porting and testing modules a little
>>> at a time.
>>>
>>> Thanks,
>>> Bob Rice
>>>
>>> On Sep 11, 2009, at 12:53 PM, Laurent Sansonetti wrote:
>>>
>>> Looks like we are hitting an assertion in the symbol generator... Could
>>> you send us what you are trying to execute here?
>>>
>>> Laurent
>>>
>>> Sent from my iPhone
>>>
>>> On Sep 11, 2009, at 9:48 AM, Robert Rice <rice.audio at pobox.com> wrote:
>>>
>>> How would I track down the following error from the nightly build?
>>>
>>> [Session started at 2009-09-11 12:43:22 -0400.]
>>> GNU gdb 6.3.50-20050815 (Apple version gdb-1344) (Fri Jul  3 01:19:56 UTC
>>> 2009)
>>> Copyright 2004 Free Software Foundation, Inc.
>>> GDB is free software, covered by the GNU General Public License, and you
>>> are
>>> welcome to change it and/or distribute copies of it under certain
>>> conditions.
>>> Type "show copying" to see the conditions.
>>> There is absolutely no warranty for GDB.  Type "show warranty" for
>>> details.
>>> This GDB was configured as "x86_64-apple-darwin".tty /dev/ttys000
>>> Loading program into debugger…
>>> Program loaded.
>>> run
>>> [Switching to process 326]
>>> Running…
>>> Assertion failed: (1==0), function rb_intern3, file parse.y, line 9596.
>>> Program received signal:  “SIGABRT”.
>>> sharedlibrary apply-load-rules all
>>> warning: Could not find object file
>>> "/Users/mattetti/src/macruby-gitsvn/trunk/array.o" - no debug information
>>> available for "array.c".
>>>
>>> warning: Could not find object file
>>> "/Users/mattetti/src/macruby-gitsvn/trunk/bignum.o" - no debug information
>>> available for "bignum.c".
>>>
>>> ...
>>> Thanks,
>>> Bob Rice
>>>
>>> On Sep 10, 2009, at 2:24 PM, Matt Aimonetti wrote:
>>>
>>> Latest trunk code available as an unofficial pkg ready to install:
>>> http://rubyurl.com/5K3W
>>>
>>> Lots of bug fixes, improved macgem (not finished yet but you can install
>>> gems and load them using `gem 'gem_name'; require 'whatever'`).
>>> Things are looking pretty good on trunk :)
>>>
>>> - Matt
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>>
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