The behaviour you are counting on is a side effect of an
optimisation, not a behaviour by design.
Oh, btw: fpc 2.2.2rc1 behaves with -O2 like delphi :) Without -O2
like 2.2.0 :)
Add: I just realized that Peter implemented this some time ago in a
in most cases (!) delphi compatible
Boian Mitov wrote:
I mean -O2 probably affects number of optimizations. I just hope there
will be switches for turning off specific optimizations selectively.
Please use a separate thread for new questions.
See the -O switch help in 'fpc -h' how to turn on/off optimizations.
Peter
Vreman [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Sunday, June 22, 2008 1:43 PM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
It is good that it works for you now, but like Jonas already wrote. It is
just pure luck and you rely
On 22 Jun 2008, at 23:30, Boian Mitov wrote:
I mean it was not working when the optimization was on. They did not
have option to turn the optimization off.
No, it can only work when the optimization is on in FPC. To recap:
a) in both FPC and Delphi, temps (regardless of their type) are
]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Sunday, June 22, 2008 2:52 PM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
No, it can only work when the optimization is on in FPC. To recap:
___
fpc-devel maillist - fpc
The behaviour you are counting on is a side effect of an
optimisation, not a behaviour by design.
Oh, btw: fpc 2.2.2rc1 behaves with -O2 like delphi :) Without -O2 like
2.2.0 :)
Add: I just realized that Peter implemented this some time ago in a in
most cases (!) delphi compatible
- Original Message -
From: Peter Vreman [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Friday, June 20, 2008 2:42 PM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
- Original Message -
From: Boian Mitov [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Friday, June 20, 2008 2:58 PM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Hi Peter
://www.mitov.com
- Original Message -
From: Boian Mitov [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Friday, June 20, 2008 2:58 PM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503
Hi folks,
It appears that this bug has been fixed. Where I can get a patch for this? This
is a very high priority bug for us, and we are glad that it has already been
addressed :-) . I am very eager to test the fix.
With best regards,
Boian Mitov
On 19 Jun 2008, at 13:10, Boian Mitov wrote:
It appears that this bug has been fixed. Where I can get a patch for
this? This is a very high priority bug for us, and we are glad that
it has already been addressed :-) . I am very eager to test the fix.
Please read the comments to
: Jonas Maebe [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 4:15 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On 19 Jun 2008, at 13:10, Boian Mitov wrote:
It appears that this bug has been fixed. Where I can get
On 19 Jun 2008, at 13:21, Boian Mitov wrote:
Thank you!
I don't understand. 0011503 is a major failure. Is it in the
compiler or in some library?
Please read the comments to http://bugs.freepascal.org/view.php?
id=9472. The whole issue is discussed there in great detail.
This is a huge
: Thursday, June 19, 2008 4:39 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On 19 Jun 2008, at 13:21, Boian Mitov wrote:
Thank you!
I don't understand. 0011503 is a major failure. Is it in the compiler or
in some library?
Please read the comments to http
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hi Jonas,
This functionality works in all versions of Delphi 5-2007. We support them
all, and we have done so for years. We have no problems to compile with such
optimizations turned off. We need proper reference counting. We have over 300
- Original Message -
From: Michael Van Canneyt [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:00 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
It should IMHO not be too hard to make a switch
Boian Mitov schrieb:
I have downloaded the source, and I will see if we can tweak it and add
some compiler option to support this somehow.
If it would be that easy, we would have done it. It's simply a matter of
the design of compiler/rtl how ref. counting is done. We must draw a
border
- Original Message -
From: Michael Van Canneyt [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:00 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
If you
On 19 Jun 2008, at 13:53, Boian Mitov wrote:
This functionality works in all versions of Delphi 5-2007. We
support them all, and we have done so for years. We have no problems
to compile with such optimizations turned off.
One final time: please read the comments to
Boian Mitov schrieb:
PS: It will help me a lot if you guys can at least pint me to what files
I should be looking for to change the behavior of the temp ;-) .
See my other mail, this requires not only a simple change in a few files.
___
fpc-devel
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:10 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
If it would be that easy, we would have done
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:14 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Boian Mitov schrieb:
PS: It will help me
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hi Michael,
Thank you! I will be looking into the code, and see if I can add the
functionality with some switch. We may redo the code, however it will probably
take well over a year for fully rewriting it all, and it may not be
necessarily a
Jonas Maebe schrieb:
On 19 Jun 2008, at 13:53, Boian Mitov wrote:
This functionality works in all versions of Delphi 5-2007. We support
them all, and we have done so for years. We have no problems to
compile with such optimizations turned off.
One final time: please read the comments to
PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:16 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hi Michael,
Thank you! I will be looking into the code, and see if I can add
Gee... Isn't it the reason we all love C++ ;-) . There all those things
are standardized by the ANSI, and return variable temp must be alive only
for the duration of the statement if you want to call your compiler ANSI
;-) . Then again, don't we all hate the lack of support for singletons
PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:29 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Do you have pg numbers in Strousstrup? (I've 2nd ed) I'd be interested to
read how standards describes such things
Michael Van Canneyt schreef:
On Thu, 19 Jun 2008, Boian Mitov wrote:
Here is a code sniped that sows just one example of the problem:
This is a very simple example of how important the order really is:
We have even more crucial problems related with this. This is just a simple
one:
- Original Message -
From: Boian Mitov [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:37 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
I will dig for it.
With best
I will see to ping somebody on the ANSI comity for this one. It takes
forever to dig it out ;-) . I will let you know.
Thanks.
___
fpc-devel maillist - fpc-devel@lists.freepascal.org
http://lists.freepascal.org/mailman/listinfo/fpc-devel
@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:16 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hi Michael,
Thank you! I will be looking into the code, and see if I can add the
functionality with some switch. We may redo the code
On 19 Jun 2008, at 14:36, Michael Van Canneyt wrote:
On Thu, 19 Jun 2008, Boian Mitov wrote:
Here is a code sniped that sows just one example of the problem:
This is a very simple example of how important the order really is:
We have even more crucial problems related with this. This is
fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:16 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hi Michael,
Thank you! I will be looking into the code, and see if I can add the
functionality with some switch
- Original Message -
From: Jonas Maebe [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:55 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On Thu, 19 Jun 2008, Boian Mitov wrote:
This is not very precise. You are referring to garbage collection in general.
Reference counting as it used to be defined in the original COM specification
for DLL and statically linked objects specifically states that the object will
be destroyed as
Boian Mitov schrieb:
Hi Florian,
FLock is not interface. There is no error with the FLock.
To which instance is WriteLock an interface? FLock?
WriteLock is interface, and I have to destroy it before I destroy the
FLock. The order of destruction is obviously crucial.
The error is the
patch for bugs : 0011503 / 0009472
The Delphi help warns explicitly against this.
(see Using reference counting)
Michael.
___
fpc-devel maillist - fpc-devel@lists.freepascal.org
http://lists.freepascal.org/mailman/listinfo/fpc-devel
Voort [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 5:54 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
I will see to ping somebody on the ANSI comity for this one. It takes
forever to dig it out ;-) . I will let you know
- Original Message - From: Michael Van Canneyt
[EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:14 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
The Delphi help warns explicitly against this.
(see Using
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:27 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:16 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Boian Mitov schrieb
@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:31 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Page 244
Item 3 describes the lifespan of a temporary object in expression (rvalue
life span):
Ah, but this is a compiler generated object as result value. I'm still
surprised
Boian Mitov schrieb:
Hi Marco,
You are wrong. They mean expression not block!
This path of the discussion is useless. As soon as you make WriteLock a
global/static var, delphi behaves the same as fpc: it creates a temp.
ref. which is only cleaned at procedure exit.
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:42 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Boian Mitov schrieb:
Hi Marco,
You are wrong
On 19 Jun 2008, at 15:20, Boian Mitov wrote:
never call Free() on interfaced object. I surely know that if I
have used interfaces for the last 10 years or so ;-) .
What I need is a way to make sure that all the references are gone.
This is the first non garbage collected compiler that has
- Original Message - From: Florian Klaempfl
[EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:42 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Boian Mitov schrieb:
Hi Marco,
You
Florian Klaempfl schrieb:
Jonas Maebe schrieb:
The behaviour you are counting on is a side effect of an optimisation,
not a behaviour by design.
Oh, btw: fpc 2.2.2rc1 behaves with -O2 like delphi :) Without -O2 like
2.2.0 :)
Add: I just realized that Peter implemented this some time ago in
- Original Message -
From: Jonas Maebe [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 6:51 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Delphi doesn't, look at this example
On 19 Jun 2008, at 16:06, Florian Klaempfl wrote:
Florian Klaempfl schrieb:
Jonas Maebe schrieb:
The behaviour you are counting on is a side effect of an
optimisation, not a behaviour by design.
Oh, btw: fpc 2.2.2rc1 behaves with -O2 like delphi :) Without -O2
like 2.2.0 :)
Add: I just
Boian Mitov schrieb:
Thank you! I will see to get the 2.2.2rc1 and compile with the switch
:-) . I will validate if it behaves the same way and will let you know
:-) . I am very excited that there could be a ready solution :-) .
I still recommend that you think about changing your design,
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 7:06 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Florian Klaempfl schrieb:
Jonas Maebe schrieb
- Original Message -
From: Florian Klaempfl [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 7:09 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Boian Mitov schrieb:
Thank you! I will see to get
, June 19, 2008 7:09 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Boian Mitov schrieb:
Thank you! I will see to get the 2.2.2rc1 and compile with the switch
:-) . I will validate if it behaves the same way and will let you know -)
:. I am very excited
: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hmm... Florian, I seem to be finding only downloads for 2.2.0 . Where I
can
get 2.2.2rc1 ?
See download link on www.freepascal.org main page, first (english) news
item.
Michael.
With best
On Thu, 19 Jun 2008, Boian Mitov wrote:
The FTP server seems really slow to respond. Do you want me to setup an FTP
account for you guys on one of my servers, so you can upload in the future
Beta stuff there for easier access for everybody?
There are many mirrors; The main site just points
- Original Message -
From: Michael Van Canneyt [EMAIL PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 8:16 AM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
On Thu, 19 Jun 2008, Boian Mitov
On Thu, 19 Jun 2008, Boian Mitov wrote:
Hi Michael,
Finally the server responded. This file is not on the mirrors :-( . It is only
on the FTP.
Strange, I would think that the FTP mirrors picked it up by now ?
Michael.
___
fpc-devel maillist
PROTECTED]
To: FPC developers' list fpc-devel@lists.freepascal.org
Sent: Thursday, June 19, 2008 12:41 PM
Subject: Re: [fpc-devel] Need patch for bugs : 0011503 / 0009472
Strange, I would think that the FTP mirrors picked it up by now ?
___
fpc-devel
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