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[Pharo-project] [update 2.0] #20067
by Marcus Denker May 11, 2012

May 11, 2012

20067 ----- Issue 5850: Move SpaceTally and SpaceTallyItem to Tools-Profilers http://code.google.com/p/pharo/issues/detail?id=5850 Issue 5819: first iteration on moving fileIn users to new codeImporter http://code.google.com/p/pharo/issues/detail?id=5819 -- Marcus Denker -- http://marcusdenker.de

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[Pharo-project] [update 2.0] #20066
by Marcus Denker May 11, 2012

May 11, 2012

20066 ----- Issue 5860: Package System-Download is empty and can be removed http://code.google.com/p/pharo/issues/detail?id=5860 Issue 5858: DateAndTime >>#hash http://code.google.com/p/pharo/issues/detail?id=5858 Issue 5855: During snapshot: Send cr after Transcript message http://code.google.com/p/pharo/issues/detail?id=5855 Issue 5853: Pharo2.0a Latest update: #20064 One click brings debugger on Windows due to missing converter for stdout stream http://code.google.com/p/pharo/issues/detail?id=5853 Issue 5854: FixSomeTests: Unreferences Global and Ftp http://code.google.com/p/pharo/issues/detail?id=5854 -- Marcus Denker -- http://marcusdenker.de

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Re: [Pharo-project] Short rant on platforms and sessions
by Fernando Olivero May 11, 2012

May 11, 2012

That's why the OpenGL examples work when you re-open a saved image! Fernando On Fri, May 11, 2012 at 12:51 PM, Igor Stasenko <siguctua(a)gmail.com> wrote: > I agree with all your points. > I just can add, that if you start using NativeBoost FFI you'll find > that it follows _exactly_ the rules which you listed. > i dont know much about dolphin, but session awareness is one of the > first things which i implemented in NB, because as to me, it is the > right way how things should be done. > > > On 11 May 2012 04:08, Schwab,Wilhelm K <bschwab(a)anest.ufl.edu> wrote: >> It's a nice system - we should take lessons from it where we can. Â In this case, they *clearly* have it right. >> >> >> >> >> ________________________________________ >> From: pharo-project-bounces(a)lists.gforge.inria.fr [pharo-project-bounces(a)lists.gforge.inria.fr] on behalf of Chris Muller [asqueaker(a)gmail.com] >> Sent: Thursday, May 10, 2012 8:56 PM >> To: Pharo-project(a)lists.gforge.inria.fr >> Subject: Re: [Pharo-project] Short rant on platforms and sessions >> >>> Dolphin shows us the correct path: session awareness. Â The image "wakes up" >>> and decides where it is running - the vm can certainly help in Pharo's >>> case. Â External resources are *not* cleared on image save - the image might >>> keep running, so why release and reallocate? Â Finalization is best-effort. >>> External resources are cleared just before exiting, but *after* any >>> associated image save. Â When the image wakes, one of its first duties is to >>> clear (not release via calls) any external resources, because they are known >>> to be garbage at this point. >>> >>> It works, and works well. >> >> I don't have experience with Dolphin, but that does sound like a >> clever solution to avoiding the release/reallocate burden on image >> save (and not exiting).. >> >> > > > > -- > Best regards, > Igor Stasenko. >

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Re: [Pharo-project] [review needed] Do we remove SmartRefStream?
by Fernando Olivero May 11, 2012

May 11, 2012

I would remove them, you made a strong point in favor of simply removing it: A cleanup of an unneeded class. Its nice to see this kind of complex classes disappear from Pharo, more and more. Fernando On Fri, May 11, 2012 at 10:27 AM, Marcus Denker <marcus.denker(a)inria.fr> wrote: > > With Fuel, we should take the opportunity to clean up the systm. There are things we need to keep > for a while (DataStream, for example, a it is used by Monticello). > > But what about SmartRefStream? With ImageSegment already gone, does it make sense to keep > it? The code looks horrible. > > One can just remove it and all remaining users like this: > > http://code.google.com/p/pharo/issues/detail?id=5859 > > Can we do that? do we need to formally deprecate it? > > -- > Marcus Denker -- http://marcusdenker.de > >

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[Pharo-project] PHARO_VM on Jenkins
by Pavel Krivanek May 11, 2012

May 11, 2012

Hi, I got this error on Pharo Kernel 2.0 Jenkins build: PHARO_VM environment variable is not set. Did somebody some VM related changes on Jenkins? -- Pavel

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[Pharo-project] Form sliding causing VM segfault (Form>>slideFrom:to:nSteps:delay:)
by Igor Stasenko May 11, 2012

May 11, 2012

remember the recent issue with form sliding? It strikes again.. i dragged my window outside of OS window bounds and then released the button.. i'm not sure if this a VM issue or image/side.. but i think VM has to be blamed, because it should do range checking before accepting requests for doing stupid operations, like blitting outside the buffer :) Luckily i were running debug version of VM and under debugger doing things completely unrelated to this :) Here some info about crash point: Program received signal EXC_BAD_ACCESS, Could not access memory. Reason: KERN_PROTECTION_FAILURE at address: 0x0000000a 0x00034949 in longAtPointer (ptr=0xa <Address 0xa out of bounds>) at sqMemoryAccess.h:81 81 static inline sqInt longAtPointer(char *ptr) { return *(sqInt *)ptr; } (gdb) bt #0 0x00034949 in longAtPointer (ptr=0xa <Address 0xa out of bounds>) at sqMemoryAccess.h:81 #1 0x00034969 in longAt (oop=10) at sqMemoryAccess.h:98 #2 0x0003a1c0 in ceSendsupertonumArgs (selector=525641856, superNormalBar=0, rcvr=10, numArgs=0) at /Users/sig/projects/cog/sig-cog/src/vm/gcc3x-cointerp.c:10729 #3 0x1f40005c in ?? () #4 0x00049045 in initStackPagesAndInterpret () at /Users/sig/projects/cog/sig-cog/src/vm/gcc3x-cointerp.c:17865 #5 0x00026ad1 in interpret () at /Users/sig/projects/cog/sig-cog/src/vm/gcc3x-cointerp.c:1979 (gdb) call printCallStack() 0xbff5dc80 M [] in Form(DisplayObject)>slideFrom:to:nSteps:delay: 578564724: a(n) Form 0xbff5dcc4 I Form(DisplayObject)>follow:while:bitsBehind:startingLoc: 578564724: a(n) Form 0xbff5dcfc I Form(DisplayObject)>follow:while: 578564724: a(n) Form 0xbff5dd2c I Form(DisplayObject)>slideFrom:to:nSteps:delay: 578564724: a(n) Form 0xbff5dd78 I NautilusWindow(Morph)>slideBackToFormerSituation: 565212772: a(n) NautilusWindow 0xbff5dd9c I NautilusWindow(Morph)>rejectDropMorphEvent: 565212772: a(n) NautilusWindow 0xbff5ddc8 I HandMorph>dropMorph:event: 535318276: a(n) HandMorph 0xbff5ddf4 I [] in HandMorph>dropMorphs: 535318276: a(n) HandMorph 0xbff5de14 M Array(SequenceableCollection)>reverseDo: 578544144: a(n) Array 0xbff5de38 I HandMorph(Morph)>submorphsReverseDo: 535318276: a(n) HandMorph 0xbff5de5c I HandMorph>dropMorphs: 535318276: a(n) HandMorph 0xbff5de80 M HandMorph>handleEvent: 535318276: a(n) HandMorph 0xbff5deac M HandMorph>processEvents 535318276: a(n) HandMorph 0xbff5dec4 M [] in WorldState>doOneCycleNowFor: 526955120: a(n) WorldState 0xbff5dee8 M Array(SequenceableCollection)>do: 525348844: a(n) Array 0xbff5df04 M WorldState>handsDo: 526955120: a(n) WorldState 0xbff5df20 M WorldState>doOneCycleNowFor: 526955120: a(n) WorldState 0xbff5df3c M WorldState>doOneCycleFor: 526955120: a(n) WorldState 0xbff5df58 M PasteUpMorph>doOneCycle 526861788: a(n) PasteUpMorph 0xbff5df70 M [] in MorphicUIManager>spawnNewProcess 526984156: a(n) MorphicUIManager i think best solution right now is to avoid using sliding (NautilusWindow(Morph)>slideBackToFormerSituation:). for a longer term, a best solution is to fix this issue, of course :) -- Best regards, Igor Stasenko.

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[Pharo-project] [OT] ffs!
by Igor Stasenko May 11, 2012

May 11, 2012

i found this funny.. most of you probably know, what ffs means.. if not, see here: http://www.urbandictionary.com/define.php?term=FFS but standard C library says otherwise: FFS(3) BSD Library Functions Manual FFS(3) NAME ffs, ffsl, fls, flsl -- find first or last bit set in a bit string ... ffs! why using such obscure naming?!?! and this is one of the examples, why i prefer smalltalk over C. -- Best regards, Igor Stasenko.

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[Pharo-project] Native Boost and Slang
by Igor Stasenko May 10, 2012

May 10, 2012

oops. i didn't meant to turn it into private conversation.. there are some bits which can be useful/interesting to others :) ---------- Forwarded message ---------- From: Igor Stasenko <siguctua(a)gmail.com> Date: 10 May 2012 23:07 Subject: Re: [Pharo-project] Native Boost and Slang To: lenglish5(a)cox.net On 10 May 2012 22:07, Lawson English <lenglish5(a)cox.net> wrote: > > On 5/10/12 12:00 PM, Igor Stasenko wrote: >> >> woot .. 68 videos.. >> you are really productive! :) >> > Thanks. > > BTW, I was wondering if there would be an easy way to return the formatted > string from a printf() call. > > printing: Â NBCPrinter printf: 'aString' > > returns nil > because printf() function returns void. (nothing) which replaced by NB by nil (since unlike from C, every method has to answer something) for returning formatted string you can use snprintf() function. Â Â int Â Â snprintf(char * restrict str, size_t size, const char * restrict format, ...); here in first argument you should pass a ByteArray instance, or ByteString, big enough to accomodate formatted string, size is maximum number of characters for that buffer (pass the size of bytearray/string) the rest is like in printf. But NB does not supports variable arguments. > > Also, I'm looking at providing bindings to a few of the functions in gmplib > Â http://gmplib.org/ > > and the examples http://web.mit.edu/gnu/doc/html/gmp_4.html show that I > should always call mpz_clear (&result) unless I am "exiting the program". I > assume this means I should always call mpz_clear (&result) but of course, if > I do that, I don't have a valid return value. > you clear it , when you no longer need it. in terms of smalltalk, you must finalize the object which represents external resource to call mpz_clear there. See WeakRegistry & friends. You can also use NBExternalResourceManager, which i added recently. See its comment for instructions how to use it. > Can I embed several external calls within a single {} or should I make each > gmp call a "private" method and wrap the calls in a public method or...? > It is easy to write a code in NB which makes multiple calls to different functions inside same primitive. But of course you will need to make your hands dirty with some assembly. The high level interface allows you to make callouts only to a single function. > > Thanks > > Lawson -- Best regards, Igor Stasenko. -- Best regards, Igor Stasenko.

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[Pharo-project] Zinc: HEAD and then GET
by Sean P. DeNigris May 10, 2012

May 10, 2012

Why does one of the following work, and the other not? fileUrl := 'https://ci.lille.inria.fr/pharo/view/Pharo%201.4/job/Pharo%201.4/lastSucces…' asUrl. "This succeeds in downloading the file" c := ZnClient new. c head: fileUrl; yourself. c url: fileUrl; downloadTo: targetPath; yourself. "This fails with a HTTP 400" c := ZnClient new. c url: fileUrl. c head; yourself. c resetRequestIfNeeded; "fails with or without this line" downloadTo: targetPath; yourself. -- View this message in context: http://forum.world.st/Zinc-HEAD-and-then-GET-tp4623719.html Sent from the Pharo Smalltalk mailing list archive at Nabble.com.

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[Pharo-project] Native Boost and Slang
by Lawson English May 10, 2012

May 10, 2012

are there any examples of how to use Slang with native boost? Also, what is the latest stable version that I should be using for my videos? Thanks. Lawson Squeak from the very start (introduction to Squeak and Pharo Smalltalk for the (almost) complete and compleate beginner. https://www.youtube.com/playlist?list=PL6601A198DF14788D&feature=view_all

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