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

Wed Sep 23 17:05:24 PDT 2009

In regards to a MacRuby application, you would need to use GC for
Objective-C.

-Conrad

On Wed, Sep 23, 2009 at 5:00 PM, Jordan Breeding <jordan.breeding at me.com>wrote:

> But would the new MacRuby interpreter be smart enough to switch between
> them and prefer GC Objc-C code, or would it be locked to one or the other?
>
> Sent from my iPhone
>
> On Sep 23, 2009, at 18:56, Conrad Taylor <conradwt at gmail.com> wrote:
>
> 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>
> 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>
>> 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>
>>>> 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>
>>>> 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>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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