Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Wed, 2014-04-02 at 22:05 -0300, Alexandre Torres Porres wrote:
 So, tried other things, and I see it won't be able to deal with
 messages including $0 like [qlist]. So the reason must be not
 related to [qlist] or [textfile], but the way Pd handles (or doesn't
 handle) $0 in messages.

Yes.

Roman




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Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Wed, 2014-04-02 at 19:00 -0300, Alexandre Torres Porres wrote:


 
 Although I assume I don't think I get the hassle it'd be to do that.
 I'm still struggling to see what could be so tricky to make $0
 possible to work in messages, sorry :P

The reason is most likely not the difficulty to implement it, but as I
said: probably nobody wants to introduce inconsistencies.

Roman




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Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
 By the way, haven't been really able to make it work well with
 [textfile]. If you get a symbol with $0-symbol from a text file, you
 can't use it to work as an address for [send].

Miller proposed to use the new [text] class introduced in 0.45, not the
old [textfile]. I haven't checked myself, but according to him this
would solve all your trouble as it allows - if I understand correctly -
to take literal $0 strings that get expanded only at reading time. (Is
that what you meant, Miller?)

Roman




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Re: [PD] [qlist] and locality

2014-04-03 Thread IOhannes m zmoelnig
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2014-04-03 03:05, Alexandre Torres Porres wrote:
 So, tried other things, and I see it won't be able to deal with
 messages including $0 like [qlist]. So the reason must be not
 related to [qlist] or [textfile], but the way Pd handles (or
 doesn't handle) $0 in messages.

yes.

 The only workaround is to forcely insert $0 with [makefilename],

yes.

 but then all symbols have to be local.

no.
you can build logic in Pd that will add $0 to *some* symbols.
e.g. use [route] to extract those special senders you want to prepend
with $0.

note that i'm not saying that this could not be done more conveniently
on the Pd side. i'm only saying that you can build things yourself
that do (more or less) what you want to do. and it's not that hard to
create your own little set of helpers that do what you want (though
probably not what I want)


btw: i would probably even recommend to use explicit *connections*
(rather than send/receive pairs) for anything local. then you never
have the problem of [qlist] and locality - very simple  and forces
you to think about your object interfaces.



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IOhannes
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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes

On 04/03/2014 04:00 AM, IOhannes m zmoelnig wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2014-04-03 03:05, Alexandre Torres Porres wrote:



[...]



btw: i would probably even recommend to use explicit *connections*
(rather than send/receive pairs) for anything local. then you never
have the problem of [qlist] and locality - very simple  and forces
you to think about your object interfaces.


I would also recommend only using global receive-symbols when you have 
to use them.  That way:

* your patches are more readable
* no need to feed $0 to message boxes
* when you run into nameclashes, you know your project has outgrown Pd 
and it's time to choose another language


-Jonathan





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IOhannes
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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
 * when you run into nameclashes, you know your project
 has outgrown Pd and it's time to choose another language

what's a nameclash? (maybe I haven't  outgrown Pd yet)


2014-04-03 13:00 GMT-03:00 Jonathan Wilkes jancs...@yahoo.com:

 On 04/03/2014 04:00 AM, IOhannes m zmoelnig wrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA256

 On 2014-04-03 03:05, Alexandre Torres Porres wrote:


 [...]



 btw: i would probably even recommend to use explicit *connections*
 (rather than send/receive pairs) for anything local. then you never
 have the problem of [qlist] and locality - very simple  and forces
 you to think about your object interfaces.


 I would also recommend only using global receive-symbols when you have to
 use them.  That way:
 * your patches are more readable
 * no need to feed $0 to message boxes
 * when you run into nameclashes, you know your project has outgrown Pd and
 it's time to choose another language

 -Jonathan





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 IOhannes
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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
Oops, I'll be dammed, but [text] doesn't seem to handle $0 in the same
way.

Although it looks like a super [qlist], giving [text] a $0 for an address
symbol, such as $0-test1, turns it into 0-test1... so no deal for it.

I'm assuming it's not supposed to be something regarding an object design.
As with [qlist] and [textfile], the issue is related to the way Pd doesn't
handle $0 in messages. So unless it eventually does, I guess that the only
thing left to do is to find some workarounds as discussed here.

note that i'm not saying that this could not be done more conveniently
on the Pd side. i'm only saying that you can build things yourself
that do (more or less) what you want to do. and it's not that hard to
create your own little set of helpers that do what you want (though
probably not what I want)

I get that, and I'm actually cool with the philosophy. The reason I insist
is aimed to Pd's functionality as a whole, and I only mention one thing or
another after giving it a good deal of thought and really believing it'd be
a better user experience for other people. Specially beginners.

Actually, lots of this issues come up for me when I'm preparing patches for
classes. And I'm also writing extensive documentation for Pd. So when I hit
this issues I think of the students and all the people I want to lure into
Pd, selling it as a very simple and fucntional environment.

Bur for example, now I'm teaching how to do sequencing, and I'd like to say
that it just works if anyone needs [qlist] to send local messages. It's bad
to not mention some limitations or to mention them and spend a lot of time
on some clumsy workarounds to avoid them.

And for having taught Pd a lot, the $0 thing in messages is always
something that stands out for some working around. It's fine by me, I'm
just thinking of newcomers having to grasp these details, when I wonder if
it all could just be solved internally on the way Pd is programmed to deal
with messages.

I assume I have no idea of the hassles involved, but I have the idea that
there must be a few options to solve this. It can't be impossible.

Well, one way or another, this is just a humble opinion. It's my two cents
on the subject. I don't see any problem emerging from the capability of
messages inheriting $0, and it'd be totally backwards compatible to older
patches. Moeover, [qlist] and [text] could send messages to local receives.

cheers



2014-04-03 13:45 GMT-03:00 Alexandre Torres Porres por...@gmail.com:

  Miller proposed to use the new [text] class introduced in 0.45

 Oh I see, didn't know about it. It really seems like it's the option for
 more flexibility than [qlist] can handle. Will try it out.
 cheers


 2014-04-03 3:38 GMT-03:00 Roman Haefeli reduz...@gmail.com:

 On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
  By the way, haven't been really able to make it work well with
  [textfile]. If you get a symbol with $0-symbol from a text file, you
  can't use it to work as an address for [send].

 Miller proposed to use the new [text] class introduced in 0.45, not the
 old [textfile]. I haven't checked myself, but according to him this
 would solve all your trouble as it allows - if I understand correctly -
 to take literal $0 strings that get expanded only at reading time. (Is
 that what you meant, Miller?)

 Roman




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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes
For example, if you have two help patches open and each has an array inside it 
named array1.  One of the help patches will work, and the other won't.  
That's because Put menu arrays assume you only have one array by that name.  
Pd will use the first one it finds (probably the first one you create) and the 
duplicate will be ignored.

In the case of arrays you'll get a warning, because you're not supposed to use 
the same name twice.  But with the send/receive classes (as well as many other 
objects that use pd_bind) you can have many s/r pairs sharing the same name.

So suppose you have [s loop] and [r loop] in a subpatch, and [s loop] and [r 
loop] in an unrelated subpatch.

Are those s/r pairs supposed to communicate with each other?  Or...
Did the author forget he/she already used the name loop for the first s/r 
pair and doesn't actually want the other s/r pair to communicate with the first?


If the answer to the second question is yes, then that's an example of a 
nameclash.  Pd doesn't give you a way to tell the difference.  Most programming 
languages have clear and sensible ways to avoid this.  There's even a Pd 
external to do it-- I think it's called [sendlocal] and [receivelocal]-- but 
its author erroneously thought that $0 deprecates those objects.

Pd gurus on the list can give you seemingly simple workarounds for these 
problems with scope and nameclashes, but as you the programmer accumulate them 
it gets more and more unwieldy.  Worse, it makes it difficult to read patches, 
as you must spend time decoding someone else's idiosyncratic use of 
[makefilename] or whatever they are doing to get Pd to do what is concise, 
consistent and robust in nearly every other modern programming language.

Finally-- and again-- these problems cannot be improved in Pd without breaking 
some backwards compatibility.  Just take the related issue of namespaces with 
external libraries-- it's hard enough to design and test something robust like 
Python's namespacing.  Now imagine trying to design something like that which 
is also backwards compatible with the crude namespacing tools that already 
exist in Pd.  It's not possible, and that means as long as people imagine Pd 
Vanilla as the core Pd $0 hackery is the only way to simulate scoping.

-Jonathan
On Thursday, April 3, 2014 12:35 PM, Alexandre Torres Porres por...@gmail.com 
wrote:
 
 * when you run into nameclashes, you know your project 
 has outgrown Pd and it's time to choose another language


what's a nameclash? (maybe I haven't  outgrown Pd yet)



2014-04-03 13:00 GMT-03:00 Jonathan Wilkes jancs...@yahoo.com:

On 04/03/2014 04:00 AM, IOhannes m zmoelnig wrote:

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2014-04-03 03:05, Alexandre Torres Porres wrote:



[...]




btw: i would probably even recommend to use explicit *connections*
(rather than send/receive pairs) for anything local. then you never
have the problem of [qlist] and locality - very simple  and forces
you to think about your object interfaces.


I would also recommend only using global receive-symbols when you have to use 
them.  That way:
* your patches are more readable
* no need to feed $0 to message boxes
* when you run into nameclashes, you know your project has outgrown Pd and 
it's time to choose another language

-Jonathan






fgmasdr
IOhannes
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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
thanks for explaining it all

 imagine trying to design something like that
 which is also backwards compatible with the
 crude namespacing tools that already exist in Pd.
  It's not possible

ok, here's where I'm a bit confuse. You're not saying it'd be impossible to
make messages inherit the $0 value, are you?

As I don't see I'll be able to grasp the details for now, I'll just take
your word for it :)

cheers

2014-04-03 15:52 GMT-03:00 Jonathan Wilkes jancs...@yahoo.com:

 For example, if you have two help patches open and each has an array
 inside it named array1.  One of the help patches will work, and the other
 won't.  That's because Put menu arrays assume you only have one array by
 that name.  Pd will use the first one it finds (probably the first one you
 create) and the duplicate will be ignored.

 In the case of arrays you'll get a warning, because you're not supposed to
 use the same name twice.  But with the send/receive classes (as well as
 many other objects that use pd_bind) you can have many s/r pairs sharing
 the same name.

 So suppose you have [s loop] and [r loop] in a subpatch, and [s loop] and
 [r loop] in an unrelated subpatch.

 Are those s/r pairs supposed to communicate with each other?  Or...
 Did the author forget he/she already used the name loop for the first
 s/r pair and doesn't actually want the other s/r pair to communicate with
 the first?

 If the answer to the second question is yes, then that's an example of a
 nameclash.  Pd doesn't give you a way to tell the difference.  Most
 programming languages have clear and sensible ways to avoid this.  There's
 even a Pd external to do it-- I think it's called [sendlocal] and
 [receivelocal]-- but its author erroneously thought that $0 deprecates
 those objects.

 Pd gurus on the list can give you seemingly simple workarounds for these
 problems with scope and nameclashes, but as you the programmer accumulate
 them it gets more and more unwieldy.  Worse, it makes it difficult to read
 patches, as you must spend time decoding someone else's idiosyncratic use
 of [makefilename] or whatever they are doing to get Pd to do what is
 concise, consistent and robust in nearly every other modern programming
 language.

 Finally-- and again-- these problems cannot be improved in Pd without
 breaking some backwards compatibility.  Just take the related issue of
 namespaces with external libraries-- it's hard enough to design and test
 something robust like Python's namespacing.  Now imagine trying to design
 something like that which is also backwards compatible with the crude
 namespacing tools that already exist in Pd.  It's not possible, and that
 means as long as people imagine Pd Vanilla as the core Pd $0 hackery is
 the only way to simulate scoping.

 -Jonathan
   On Thursday, April 3, 2014 12:35 PM, Alexandre Torres Porres 
 por...@gmail.com wrote:
   * when you run into nameclashes, you know your project
  has outgrown Pd and it's time to choose another language

 what's a nameclash? (maybe I haven't  outgrown Pd yet)


 2014-04-03 13:00 GMT-03:00 Jonathan Wilkes jancs...@yahoo.com:

 On 04/03/2014 04:00 AM, IOhannes m zmoelnig wrote:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA256

 On 2014-04-03 03:05, Alexandre Torres Porres wrote:


 [...]



 btw: i would probably even recommend to use explicit *connections*
 (rather than send/receive pairs) for anything local. then you never
 have the problem of [qlist] and locality - very simple  and forces
 you to think about your object interfaces.


 I would also recommend only using global receive-symbols when you have to
 use them.  That way:
 * your patches are more readable
 * no need to feed $0 to message boxes
 * when you run into nameclashes, you know your project has outgrown Pd and
 it's time to choose another language

 -Jonathan





 fgmasdr
 IOhannes
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Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Don, 2014-04-03 at 16:13 -0300, Alexandre Torres Porres wrote:
 thanks for explaining it all
 
 
  imagine trying to design something like that 
  which is also backwards compatible with the
  crude namespacing tools that already exist in Pd.
   It's not possible
 
 
 ok, here's where I'm a bit confuse. You're not saying it'd be
 impossible to make messages inherit the $0 value, are you?

Wow, you keep beating that horse after its dead for quite a while by
now. It is _not_at_all_ about technical difficulties (probably it is
indeed difficult, I don't really know). It's about breaking consistency.
Expanding arguments of the parent is different from expanding to
elements of incoming messages.

While I understand your frustration to some degree, I don't think this
debate is going lead anywhere, simply because of that fact that I don't
believe any dev will deliberately introduce inconsistencies just for the
sake of convenience. And yes, I understand the convenience of $0
expanding to the canvas-local ID and yes, it would probably make
patching simpler. I am very much with you in this respect.

Roman
  



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Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Don, 2014-04-03 at 12:00 -0400, Jonathan Wilkes wrote:
 * when you run into nameclashes, you know your project has outgrown Pd 
 and it's time to choose another language

That is a pretty bold statement. I never ever run into name clashes, no
matter how big the project was/is. 

The no-name-clash dogma:

* Do not use global s/r-symbols (simple)

* Use global s/r-symbols for singletons (i.e. one server, many clients)

* Use global s/r-symbols in cases where the protocol is multinode-aware.
  (No matter how many instances of an abstraction using a global s/r-
  symbol are created, they will always be able to communicate with each
  other in the same way)

Roman
 



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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes

On 04/03/2014 04:14 PM, Roman Haefeli wrote:

On Don, 2014-04-03 at 12:00 -0400, Jonathan Wilkes wrote:

* when you run into nameclashes, you know your project has outgrown Pd
and it's time to choose another language

That is a pretty bold statement.


It's meant as a shortcut to avoid wasting time.


  I never ever run into name clashes, no
matter how big the project was/is.

The no-name-clash dogma:

* Do not use global s/r-symbols (simple)


Except you have two points below which contradict this!

But I suppose you meant to write that one shouldn't use global 
s/r-symbols except for the two special cases below.  Even so, what you 
ignore is the entire learning curve that accompanies the dogma. The new 
user is presented with the perverse starting point that the simple, 
common case of global symbols should be used almost never and the 
cryptic, dollarsign-zero symbol names should be used almost always.


Because the user must rely on cryptic dollarsign symbols for locality, 
patching is more error-prone, and patches are harder to read.  Every 
message box is accompanied by the user's choice of extra patch cruft to 
feed $0 into it.  Maybe it's [f $0], [list prepend $0], an abstraction, 
or something else.  That yet one more little detail to check when things 
go wrong, and it's there because the user is forced to type something 
extra to get patch locality, which is most often what the user needs.


So yes, it's rather extreme of me to advise users to just use global 
symbols and switch languages when they run into problems.  But I think 
there's an assumption on this list that most users know enough about 
other programming languages to judge for themselves the level of 
expressiveness in Pd.  I don't think that's true, and I think it's 
important to remind people just how clunky Pd is in these respects 
compared to other modern languages.


-Jonathan



* Use global s/r-symbols for singletons (i.e. one server, many clients)

* Use global s/r-symbols in cases where the protocol is multinode-aware.
   (No matter how many instances of an abstraction using a global s/r-
   symbol are created, they will always be able to communicate with each
   other in the same way)

Roman
  




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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
 Wow, you keep beating that horse after its dead
 for quite a while by now

 I don't think this debate is going lead anywhere

please, cope with my lack of knowledge in computer science/languages
jargons. All I'm doing is asking to learn more about it and get what you
guys mean. I'm not debating, since I'm even stating I couldn't do it when I
say I probably won't be able to grasp all the details and will just take
the word for it...

So relax, you keep misjudging before reading more carefully. I'm not
looking for a debate, and I'm also saying I'm cool with Pd's workaround
myself, so there's no personal frustration. As I said, I'm not even
thinking about me as my concerns come from luring people into using Pd,
while I'm already sold for it.

Anyway, having said that, I'd appreciate if anyone could help me understand
Pd's structure and developing issues.

For instance, I don't think I understand what inconsistencies mean in
this context.

cheers


2014-04-03 17:03 GMT-03:00 Roman Haefeli reduz...@gmail.com:

 On Don, 2014-04-03 at 16:13 -0300, Alexandre Torres Porres wrote:
  thanks for explaining it all
 
 
   imagine trying to design something like that
   which is also backwards compatible with the
   crude namespacing tools that already exist in Pd.
It's not possible
 
 
  ok, here's where I'm a bit confuse. You're not saying it'd be
  impossible to make messages inherit the $0 value, are you?

 Wow, you keep beating that horse after its dead for quite a while by
 now. It is _not_at_all_ about technical difficulties (probably it is
 indeed difficult, I don't really know). It's about breaking consistency.
 Expanding arguments of the parent is different from expanding to
 elements of incoming messages.

 While I understand your frustration to some degree, I don't think this
 debate is going lead anywhere, simply because of that fact that I don't
 believe any dev will deliberately introduce inconsistencies just for the
 sake of convenience. And yes, I understand the convenience of $0
 expanding to the canvas-local ID and yes, it would probably make
 patching simpler. I am very much with you in this respect.

 Roman




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Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Don, 2014-04-03 at 17:33 -0400, Jonathan Wilkes wrote:
 So yes, it's rather extreme of me to advise users to just use global 
 symbols and switch languages when they run into problems.  But I think 
 there's an assumption on this list that most users know enough about 
 other programming languages to judge for themselves the level of 
 expressiveness in Pd.  I don't think that's true, and I think it's 
 important to remind people just how clunky Pd is in these respects 
 compared to other modern languages.

Clunky or not, Pd is the language I feel the most expressive with. YMMV.

Roman


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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes

On 04/03/2014 03:13 PM, Alexandre Torres Porres wrote:

thanks for explaining it all

 imagine trying to design something like that
 which is also backwards compatible with the
 crude namespacing tools that already exist in Pd.
  It's not possible

ok, here's where I'm a bit confuse. You're not saying it'd be 
impossible to make messages inherit the $0 value, are you?


I don't know how difficult such a change is.  I assume something in Pd's 
parser would need to be changed.  I can't remember if the code 
responsible for parsing a msg box message even knows where the message 
got sent from-- seems ike it doesn't since I can't find last error on 
msg-box parsing errors (like an out-of-range dollarsign variable).


What I'm saying is that even with a canvas $0 inside message boxes Pd's 
scope system is still way too clunky.  You still don't get 
straightforward subpatch-locality, nor nested-abstraction locality. I 
think Tim Blechmann's Nova system did both, and Ivica's [preset_hub] and 
[preset_node] get the latter (though I don't think it does global 
scope).  Both work perfectly fine with no $0 at all. The pedagogical 
benefit is enormous-- new users can get the scope they want without 
having to learn or think about what a dollarsign variable is, or how 
string concatenation works.  In the case of [preset_hub], just creating 
the object sets the scope boundary almost certainly to what the user 
wants it to be.  I like that.


-Jonathan
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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
Hi Jonathan, I like it too, and the pedagogical concern is what gets me the
most. I find new users to be reluctant to the clunkiness.

Had never heard of the Nova system, is it available somewhere? Seems it's
not built on the core of Pd anyway, right?

thanks


2014-04-03 19:03 GMT-03:00 Jonathan Wilkes jancs...@yahoo.com:

  On 04/03/2014 03:13 PM, Alexandre Torres Porres wrote:

 thanks for explaining it all

   imagine trying to design something like that
  which is also backwards compatible with the
  crude namespacing tools that already exist in Pd.
   It's not possible

  ok, here's where I'm a bit confuse. You're not saying it'd be impossible
 to make messages inherit the $0 value, are you?


 I don't know how difficult such a change is.  I assume something in Pd's
 parser would need to be changed.  I can't remember if the code responsible
 for parsing a msg box message even knows where the message got sent from--
 seems ike it doesn't since I can't find last error on msg-box parsing
 errors (like an out-of-range dollarsign variable).

 What I'm saying is that even with a canvas $0 inside message boxes Pd's
 scope system is still way too clunky.  You still don't get straightforward
 subpatch-locality, nor nested-abstraction locality.  I think Tim
 Blechmann's Nova system did both, and Ivica's [preset_hub] and
 [preset_node] get the latter (though I don't think it does global scope).
 Both work perfectly fine with no $0 at all.  The pedagogical benefit is
 enormous-- new users can get the scope they want without having to learn or
 think about what a dollarsign variable is, or how string concatenation
 works.  In the case of [preset_hub], just creating the object sets the
 scope boundary almost certainly to what the user wants it to be.  I like
 that.

 -Jonathan

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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes

On 04/03/2014 05:42 PM, Roman Haefeli wrote:

On Don, 2014-04-03 at 17:33 -0400, Jonathan Wilkes wrote:

So yes, it's rather extreme of me to advise users to just use global
symbols and switch languages when they run into problems.  But I think
there's an assumption on this list that most users know enough about
other programming languages to judge for themselves the level of
expressiveness in Pd.  I don't think that's true, and I think it's
important to remind people just how clunky Pd is in these respects
compared to other modern languages.

Clunky or not, Pd is the language I feel the most expressive with. YMMV.


Sorry, I'm not using the best terminology here.  I'm talking about the 
practical expressivity of the language.


For just one example-- let's say you wanted to make a polyphonic patch 
with 30 oscillators, and send them messages to set initial frequency and 
amplitude.  Let's use Old-school Pd which doesn't have abstractions.  
You make a subpatch, get it the way you want it, copy it, then paste it 
29 times.  Now when you need to make changes to the subpatch, you need 
to delete the other 29, copy the one you changed and paste it 29 times.  
That sucks.


Now let's look at New-school Pd which has abstractions.  In this case 
you get your abstraction the way you want it, instantiate it on a 
canvas, copy it, and paste it 29 times.  Now when you want to make a 
change to the abstraction, you click Save and Pd automatically pushes 
your changes to all instances of your abstraction.  You don't have to 
copy/paste everything again.  That's very simple, but it's one of the 
ways abstractions can make Pd more expressive.


So you can express yourself by programming in either version of the 
language.  But the New-school version makes it easier to do that. That 
may be clearer with the example of abstractions-- which you no doubt use 
all the time-- than with examples of scope that don't rely on $0.  But 
that's why I refer to other modern languages which don't suffer from 
that roadblock.


-Jonathan



Roman


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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes

On 04/03/2014 06:33 PM, Alexandre Torres Porres wrote:
Hi Jonathan, I like it too, and the pedagogical concern is what gets 
me the most. I find new users to be reluctant to the clunkiness.


Had never heard of the Nova system, is it available somewhere? Seems 
it's not built on the core of Pd anyway, right?


No, it was abandoned.  I believe Tim develops something for 
Supercollider called Supernova which allows users to take advantage of 
parallelism when doing DSP.


[preset_hub] is in Pd-l2ork.

-Jonathan



thanks


2014-04-03 19:03 GMT-03:00 Jonathan Wilkes jancs...@yahoo.com 
mailto:jancs...@yahoo.com:


On 04/03/2014 03:13 PM, Alexandre Torres Porres wrote:

thanks for explaining it all

 imagine trying to design something like that
 which is also backwards compatible with the
 crude namespacing tools that already exist in Pd.
  It's not possible

ok, here's where I'm a bit confuse. You're not saying it'd be
impossible to make messages inherit the $0 value, are you?


I don't know how difficult such a change is.  I assume something
in Pd's parser would need to be changed.  I can't remember if the
code responsible for parsing a msg box message even knows where
the message got sent from-- seems ike it doesn't since I can't
find last error on msg-box parsing errors (like an out-of-range
dollarsign variable).

What I'm saying is that even with a canvas $0 inside message boxes
Pd's scope system is still way too clunky. You still don't get
straightforward subpatch-locality, nor nested-abstraction
locality.  I think Tim Blechmann's Nova system did both, and
Ivica's [preset_hub] and [preset_node] get the latter (though I
don't think it does global scope).  Both work perfectly fine with
no $0 at all.  The pedagogical benefit is enormous-- new users can
get the scope they want without having to learn or think about
what a dollarsign variable is, or how string concatenation works. 
In the case of [preset_hub], just creating the object sets the
scope boundary almost certainly to what the user wants it to be. 
I like that.


-Jonathan




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Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Don, 2014-04-03 at 18:32 -0300, Alexandre Torres Porres wrote:
  Wow, you keep beating that horse after its dead
  for quite a while by now
 
 
  I don't think this debate is going lead anywhere
 
 
 please, cope with my lack of knowledge in computer science/languages
 jargons.

I'm sorry. I sure will (though I don't feel I have in any way less of a
lack of knowledge). Actually, I don't have any computer science
background myself. 

 All I'm doing is asking to learn more about it and get what you guys
 mean. I'm not debating, since I'm even stating I couldn't do it when I
 say I probably won't be able to grasp all the details and will just
 take the word for it...




 So relax, you keep misjudging before reading more carefully. I'm not
 looking for a debate, and I'm also saying I'm cool with Pd's
 workaround myself, so there's no personal frustration. As I said, I'm
 not even thinking about me as my concerns come from luring people into
 using Pd, while I'm already sold for it.
 
 
 Anyway, having said that, I'd appreciate if anyone could help me
 understand Pd's structure and developing issues. 

I think I can't answer that.

 For instance, I don't think I understand what inconsistencies mean
 in this context.

I try to explain some more. The confusion probably comes from the fact,
that a similar looking syntax is used for two relatively different
things in Pd. A $1 in an object box is substituted by the first argument
I give to the parent abstraction. If I create [myabs 0.3] and myabs
contains an [f $1], the value of $1 actually is '0.3'. If I have a
message box [bla $1( in the same abstraction [myabs], we actually don't
know yet what the value of this $1 is. Only when we send message to [bla
$1( we know what the value of $1.

[1.7(
|
[bla $1(

When I click the [1.7( message box, we know that the $1 in [bla $1( is
going to be substituted by 1.7. So far, so good.

We now have encountered two different $1s in the same abstraction. Once
it got substituted by 0.3 and once by 1.7, although both are written $1.
Confusing, isn't it?

I know that is nothing new to you at all as you most likely have used
dollar variables in both ways already. What I am trying to say is that a
$1 in a message box [bla $1( is a different animal from a $1 in an
object box [f $1]. Pd could have been designed to make this distinction
more explicit. It could have used # variables for message boxes and $
variables for object boxes. Then we would be able to do both with
message boxes, namely expanding to a parent's argument AND expanding to
an element of the incoming message, depending on whether we use the # or
the $ syntax.

[1.7(
|
[bla #1(

In our hypothetical Pd, #1 would be substituted by '1.7' as soon as we
click the [1.7( message box (as does $1 in the real Pd). Clicking on
[1.7( would output 'bla 1.7'.

[1.7(
|
[bla $1(

In our hypothetical Pd, $1 would hold the value of the first argument
given to the parent abstraction [myabs 0.3], in our example '0.3'.
Clicking the [1.7( message box would output a message 'bla 0.3'.
However, there is no such thing in the real Pd (yet).

In the real Pd, the $1 in the message box works totally differently from
the $1 in the object box. The canvas local-ID unique to each instance of
a .pd file (abstraction or patch) can be considered as an argument to
that abstraction or patch. Thus it can easily be accessed by $0 in
object boxes. 

When you propose that $0s in message boxes are substituted by the
canvas-local ID, then you want the function of the dollar variables to
be different depending on what number follows the dollar sign. You want
$0 to access an argument given to the parent, but $1 to be substituted
by the first element of the incoming message. That is where the
inconsistency happens: Why should the function be different based on the
value I put after the dollar sign?

In our hypothetical Pd, this would be a non-issue. You wouldn't expect a
#0 in message box to get substituted by the canvas-local ID. You would
use $0 for that. In the real Pd, we unfortunately don't have direct
access to the arguments of the parent from message boxes. When you ask
Why can't a $0 in a message box be substituted by the canvas-local ID,
then you also should ask Why isn't a $1 in message box substituted by
the first argument given to the parent? The answer is that this is the
way Pd is designed. 

I'd prefer our hypothetical Pd, if it would exist. However, switching
from today's Pd to our hypothetical Pd would surely break compatibility,
which makes its introduction a bit less likely. Finally, I don't see any
other concise solution than our hypothetical Pd for the
$0-in-message-boxes problem.

I hope I didn't cause even more confusion.

Roman

 


 2014-04-03 17:03 GMT-03:00 Roman Haefeli reduz...@gmail.com:
 On Don, 2014-04-03 at 16:13 -0300, Alexandre Torres Porres
 wrote:
  thanks for explaining it all
 
 
   imagine trying to design something like that
 

Re: [PD] [qlist] and locality

2014-04-03 Thread Miller Puckette
I almost meant that :) you still have to send [text sequence] the values of
the $ variables you want to use (starting with $1).  But the ability to
instance-ize sequences is there.

cheers
M

On Thu, Apr 03, 2014 at 08:38:16AM +0200, Roman Haefeli wrote:
 On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
  By the way, haven't been really able to make it work well with
  [textfile]. If you get a symbol with $0-symbol from a text file, you
  can't use it to work as an address for [send].
 
 Miller proposed to use the new [text] class introduced in 0.45, not the
 old [textfile]. I haven't checked myself, but according to him this
 would solve all your trouble as it allows - if I understand correctly -
 to take literal $0 strings that get expanded only at reading time. (Is
 that what you meant, Miller?)
 
 Roman
 
 
 
 
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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
not confusing, thanks


2014-04-03 19:54 GMT-03:00 Roman Haefeli reduz...@gmail.com:

 On Don, 2014-04-03 at 18:32 -0300, Alexandre Torres Porres wrote:
   Wow, you keep beating that horse after its dead
   for quite a while by now
 
 
   I don't think this debate is going lead anywhere
 
 
  please, cope with my lack of knowledge in computer science/languages
  jargons.

 I'm sorry. I sure will (though I don't feel I have in any way less of a
 lack of knowledge). Actually, I don't have any computer science
 background myself.

  All I'm doing is asking to learn more about it and get what you guys
  mean. I'm not debating, since I'm even stating I couldn't do it when I
  say I probably won't be able to grasp all the details and will just
  take the word for it...




  So relax, you keep misjudging before reading more carefully. I'm not
  looking for a debate, and I'm also saying I'm cool with Pd's
  workaround myself, so there's no personal frustration. As I said, I'm
  not even thinking about me as my concerns come from luring people into
  using Pd, while I'm already sold for it.
 
 
  Anyway, having said that, I'd appreciate if anyone could help me
  understand Pd's structure and developing issues.

 I think I can't answer that.

  For instance, I don't think I understand what inconsistencies mean
  in this context.

 I try to explain some more. The confusion probably comes from the fact,
 that a similar looking syntax is used for two relatively different
 things in Pd. A $1 in an object box is substituted by the first argument
 I give to the parent abstraction. If I create [myabs 0.3] and myabs
 contains an [f $1], the value of $1 actually is '0.3'. If I have a
 message box [bla $1( in the same abstraction [myabs], we actually don't
 know yet what the value of this $1 is. Only when we send message to [bla
 $1( we know what the value of $1.

 [1.7(
 |
 [bla $1(

 When I click the [1.7( message box, we know that the $1 in [bla $1( is
 going to be substituted by 1.7. So far, so good.

 We now have encountered two different $1s in the same abstraction. Once
 it got substituted by 0.3 and once by 1.7, although both are written $1.
 Confusing, isn't it?

 I know that is nothing new to you at all as you most likely have used
 dollar variables in both ways already. What I am trying to say is that a
 $1 in a message box [bla $1( is a different animal from a $1 in an
 object box [f $1]. Pd could have been designed to make this distinction
 more explicit. It could have used # variables for message boxes and $
 variables for object boxes. Then we would be able to do both with
 message boxes, namely expanding to a parent's argument AND expanding to
 an element of the incoming message, depending on whether we use the # or
 the $ syntax.

 [1.7(
 |
 [bla #1(

 In our hypothetical Pd, #1 would be substituted by '1.7' as soon as we
 click the [1.7( message box (as does $1 in the real Pd). Clicking on
 [1.7( would output 'bla 1.7'.

 [1.7(
 |
 [bla $1(

 In our hypothetical Pd, $1 would hold the value of the first argument
 given to the parent abstraction [myabs 0.3], in our example '0.3'.
 Clicking the [1.7( message box would output a message 'bla 0.3'.
 However, there is no such thing in the real Pd (yet).

 In the real Pd, the $1 in the message box works totally differently from
 the $1 in the object box. The canvas local-ID unique to each instance of
 a .pd file (abstraction or patch) can be considered as an argument to
 that abstraction or patch. Thus it can easily be accessed by $0 in
 object boxes.

 When you propose that $0s in message boxes are substituted by the
 canvas-local ID, then you want the function of the dollar variables to
 be different depending on what number follows the dollar sign. You want
 $0 to access an argument given to the parent, but $1 to be substituted
 by the first element of the incoming message. That is where the
 inconsistency happens: Why should the function be different based on the
 value I put after the dollar sign?

 In our hypothetical Pd, this would be a non-issue. You wouldn't expect a
 #0 in message box to get substituted by the canvas-local ID. You would
 use $0 for that. In the real Pd, we unfortunately don't have direct
 access to the arguments of the parent from message boxes. When you ask
 Why can't a $0 in a message box be substituted by the canvas-local ID,
 then you also should ask Why isn't a $1 in message box substituted by
 the first argument given to the parent? The answer is that this is the
 way Pd is designed.

 I'd prefer our hypothetical Pd, if it would exist. However, switching
 from today's Pd to our hypothetical Pd would surely break compatibility,
 which makes its introduction a bit less likely. Finally, I don't see any
 other concise solution than our hypothetical Pd for the
 $0-in-message-boxes problem.

 I hope I didn't cause even more confusion.

 Roman




  2014-04-03 17:03 GMT-03:00 Roman Haefeli reduz...@gmail.com:
  On Don, 2014-04-03 

Re: [PD] [qlist] and locality

2014-04-03 Thread Roman Haefeli
On Don, 2014-04-03 at 18:41 -0400, Jonathan Wilkes wrote:
 On 04/03/2014 05:42 PM, Roman Haefeli wrote:
  On Don, 2014-04-03 at 17:33 -0400, Jonathan Wilkes wrote:
  So yes, it's rather extreme of me to advise users to just use global
  symbols and switch languages when they run into problems.  But I think
  there's an assumption on this list that most users know enough about
  other programming languages to judge for themselves the level of
  expressiveness in Pd.  I don't think that's true, and I think it's
  important to remind people just how clunky Pd is in these respects
  compared to other modern languages.
  Clunky or not, Pd is the language I feel the most expressive with. YMMV.
 
 Sorry, I'm not using the best terminology here.  I'm talking about the 
 practical expressivity of the language.
 
 For just one example-- let's say you wanted to make a polyphonic patch 
 with 30 oscillators, and send them messages to set initial frequency and 
 amplitude.  Let's use Old-school Pd which doesn't have abstractions.  
 You make a subpatch, get it the way you want it, copy it, then paste it 
 29 times.  Now when you need to make changes to the subpatch, you need 
 to delete the other 29, copy the one you changed and paste it 29 times.  
 That sucks.
 
 Now let's look at New-school Pd which has abstractions.  In this case 
 you get your abstraction the way you want it, instantiate it on a 
 canvas, copy it, and paste it 29 times.  Now when you want to make a 
 change to the abstraction, you click Save and Pd automatically pushes 
 your changes to all instances of your abstraction.  You don't have to 
 copy/paste everything again.  That's very simple, but it's one of the 
 ways abstractions can make Pd more expressive.
 
 So you can express yourself by programming in either version of the 
 language.  But the New-school version makes it easier to do that. That 
 may be clearer with the example of abstractions-- which you no doubt use 
 all the time-- than with examples of scope that don't rely on $0.  But 
 that's why I refer to other modern languages which don't suffer from 
 that roadblock.

Thanks for your remarks. You probably caught me in the act of feeling
comfortable in an actually not so comfortable situation. It's true that
people get accustomed to the environment they grow up in. I've never
challenged myself into thinking how things could be different as I found
ways to cover my needs with the clunky locality of $0. 

Not yet fully seeing the impact, you convinced me that a more 'true'
locality would probably make some things easier.

And that is certainly not everything where Pd is clunky. I still find
myself using dynamic patching for problems I don't know how to solve
otherwise and that is not even an officially supported feature with a
definitely clunky interface. 

Roman
 


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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
I almost meant that :) you still have to send [text sequence] the values of
the $ variables you want to use (starting with $1).  But the ability to
instance-ize sequences is there.

hmmm, are you pointing to a solution where I can send $0 to textfile and
it would generate the number and do the trick? Gotta check this thing
better.

cheers


2014-04-03 20:10 GMT-03:00 Miller Puckette m...@ucsd.edu:

 I almost meant that :) you still have to send [text sequence] the values of
 the $ variables you want to use (starting with $1).  But the ability to
 instance-ize sequences is there.

 cheers
 M

 On Thu, Apr 03, 2014 at 08:38:16AM +0200, Roman Haefeli wrote:
  On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
   By the way, haven't been really able to make it work well with
   [textfile]. If you get a symbol with $0-symbol from a text file, you
   can't use it to work as an address for [send].
 
  Miller proposed to use the new [text] class introduced in 0.45, not the
  old [textfile]. I haven't checked myself, but according to him this
  would solve all your trouble as it allows - if I understand correctly -
  to take literal $0 strings that get expanded only at reading time. (Is
  that what you meant, Miller?)
 
  Roman
 
 
 
 
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Re: [PD] [qlist] and locality

2014-04-03 Thread Miller Puckette
Yeah - for instance use a [pack] object to get a list of $ substtution
values into [text sequence] - then one of the arguments to [pcak] can be
$0.

cheers
M
On Thu, Apr 03, 2014 at 08:44:02PM -0300, Alexandre Torres Porres wrote:
 I almost meant that :) you still have to send [text sequence] the values of
 the $ variables you want to use (starting with $1).  But the ability to
 instance-ize sequences is there.
 
 hmmm, are you pointing to a solution where I can send $0 to textfile and
 it would generate the number and do the trick? Gotta check this thing
 better.
 
 cheers
 
 
 2014-04-03 20:10 GMT-03:00 Miller Puckette m...@ucsd.edu:
 
  I almost meant that :) you still have to send [text sequence] the values of
  the $ variables you want to use (starting with $1).  But the ability to
  instance-ize sequences is there.
 
  cheers
  M
 
  On Thu, Apr 03, 2014 at 08:38:16AM +0200, Roman Haefeli wrote:
   On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
By the way, haven't been really able to make it work well with
[textfile]. If you get a symbol with $0-symbol from a text file, you
can't use it to work as an address for [send].
  
   Miller proposed to use the new [text] class introduced in 0.45, not the
   old [textfile]. I haven't checked myself, but according to him this
   would solve all your trouble as it allows - if I understand correctly -
   to take literal $0 strings that get expanded only at reading time. (Is
   that what you meant, Miller?)
  
   Roman
  
  
  
  
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Re: [PD] [qlist] and locality

2014-04-03 Thread Jonathan Wilkes

On 04/03/2014 07:13 PM, Roman Haefeli wrote:

[...]


Thanks for your remarks. You probably caught me in the act of feeling
comfortable in an actually not so comfortable situation. It's true that
people get accustomed to the environment they grow up in. I've never
challenged myself into thinking how things could be different as I found
ways to cover my needs with the clunky locality of $0.

Not yet fully seeing the impact, you convinced me that a more 'true'
locality would probably make some things easier.

And that is certainly not everything where Pd is clunky. I still find
myself using dynamic patching for problems I don't know how to solve
otherwise and that is not even an officially supported feature with a
definitely clunky interface.


Do you have any examples of such problems?  I'd be curious to see...

-Jonathan



Roman
  



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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
I think I got it, will try as soon as a I can. I have to properly study
this new object first anyway.

If I got it, that looks like a workaround I thought about before, still
thinking of [qlist], like storing all the sequence in the patch and then
send it to [qlist], where I could get the patch $0 value and send it to it.
Someting like that, right?

I thought it was a bit of a hassle, then I reached the list. Maybe with
[text] it could be easier.

cheers


2014-04-03 20:59 GMT-03:00 Miller Puckette m...@ucsd.edu:

 Yeah - for instance use a [pack] object to get a list of $ substtution
 values into [text sequence] - then one of the arguments to [pcak] can be
 $0.

 cheers
 M
 On Thu, Apr 03, 2014 at 08:44:02PM -0300, Alexandre Torres Porres wrote:
  I almost meant that :) you still have to send [text sequence] the
 values of
  the $ variables you want to use (starting with $1).  But the ability to
  instance-ize sequences is there.
 
  hmmm, are you pointing to a solution where I can send $0 to textfile
 and
  it would generate the number and do the trick? Gotta check this thing
  better.
 
  cheers
 
 
  2014-04-03 20:10 GMT-03:00 Miller Puckette m...@ucsd.edu:
 
   I almost meant that :) you still have to send [text sequence] the
 values of
   the $ variables you want to use (starting with $1).  But the ability to
   instance-ize sequences is there.
  
   cheers
   M
  
   On Thu, Apr 03, 2014 at 08:38:16AM +0200, Roman Haefeli wrote:
On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
 By the way, haven't been really able to make it work well with
 [textfile]. If you get a symbol with $0-symbol from a text file,
 you
 can't use it to work as an address for [send].
   
Miller proposed to use the new [text] class introduced in 0.45, not
 the
old [textfile]. I haven't checked myself, but according to him this
would solve all your trouble as it allows - if I understand
 correctly -
to take literal $0 strings that get expanded only at reading time.
 (Is
that what you meant, Miller?)
   
Roman
   
   
   
   
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Re: [PD] [qlist] and locality

2014-04-03 Thread Alexandre Torres Porres
HEY, I SEE HOW [text] WORKS NOW

Awesome, you can easily send arguments to it.

Perfect


2014-04-03 20:59 GMT-03:00 Miller Puckette m...@ucsd.edu:

 Yeah - for instance use a [pack] object to get a list of $ substtution
 values into [text sequence] - then one of the arguments to [pcak] can be
 $0.

 cheers
 M
 On Thu, Apr 03, 2014 at 08:44:02PM -0300, Alexandre Torres Porres wrote:
  I almost meant that :) you still have to send [text sequence] the
 values of
  the $ variables you want to use (starting with $1).  But the ability to
  instance-ize sequences is there.
 
  hmmm, are you pointing to a solution where I can send $0 to textfile
 and
  it would generate the number and do the trick? Gotta check this thing
  better.
 
  cheers
 
 
  2014-04-03 20:10 GMT-03:00 Miller Puckette m...@ucsd.edu:
 
   I almost meant that :) you still have to send [text sequence] the
 values of
   the $ variables you want to use (starting with $1).  But the ability to
   instance-ize sequences is there.
  
   cheers
   M
  
   On Thu, Apr 03, 2014 at 08:38:16AM +0200, Roman Haefeli wrote:
On Wed, 2014-04-02 at 20:49 -0300, Alexandre Torres Porres wrote:
 By the way, haven't been really able to make it work well with
 [textfile]. If you get a symbol with $0-symbol from a text file,
 you
 can't use it to work as an address for [send].
   
Miller proposed to use the new [text] class introduced in 0.45, not
 the
old [textfile]. I haven't checked myself, but according to him this
would solve all your trouble as it allows - if I understand
 correctly -
to take literal $0 strings that get expanded only at reading time.
 (Is
that what you meant, Miller?)
   
Roman
   
   
   
   
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Re: [PD] [qlist] and locality

2014-04-02 Thread Roman Haefeli
On Mon, 2014-03-31 at 18:54 -0300, Alexandre Torres Porres wrote:
 Hi there, I can't get messages from [qlist] to an object with $0. Is
 this really a problem?

You can:


[nbx\
|
[t b f]
| \
[pack $0 f]
|
[add 500 $1-bla $2]
|
[qlist]


[r $0-bla]
|
[print]

The thing is you have to expand $0 before you're putting the messages
into qlist. BTW: You also cannot internally expand to the arguments ($1,
$2, etc.) of the abstraction that contains the qlist. You'd have to use
the same 'trick'.


Roman
 





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Re: [PD] [qlist] and locality

2014-04-02 Thread Roman Haefeli
On Tue, 2014-04-01 at 17:20 -0300, Alexandre Torres Porres wrote:
  you might want to see the messages sent by [qlist]
  the same as messages in msgboxes,
  where you don't have $0-expansion either
 
 
 Bummer. anyway, this brings me to a different topic then. Why is there
 this lack of expansion in messages?

Message boxes _do_ expand dollar arguments.

 I think I've raised this issue sometime ago. Sorry I don't remember
 what the problem was, but I'd like to ask again if it's really really
 hard to expand the functionality in messages, or if this could happen
 sometime soon in Pd.

The difference is that dollar arguments in message boxes expand to the
incoming message while dollar arguments in object boxes expand to the
arguments given to the parent. $0 in object boxes is actually an
argument given implicitly by Pd to the parent (every instance of a Pd
file gets a separate one). 
 
 I believe there won't be any compatibility issues by expanding this
 functionality. Old patches will still work and newer patches could be
 simpler, right?

You're asking for inconsistency: You propose to have a mixture of dollar
arguments in message boxes, namely you want $0 to expand to an argument
of the parent and all other dollar arguments expand according to the
incoming message.

While I also don't see how your proposal would break compatibility, I
think what I said above is the reasoning why things are how they are.
While I don't have a strong opinion on the subject matter, I suspect it
is not going to be changed soon (it was brought up a few times already,
iirc).


Roman
 





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Re: [PD] [qlist] and locality

2014-04-02 Thread IOhannes m zmoelnig
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2014-04-02 08:57, Roman Haefeli wrote:
 On Mon, 2014-03-31 at 18:54 -0300, Alexandre Torres Porres wrote:
 Hi there, I can't get messages from [qlist] to an object with
 $0. Is this really a problem?
 
 You can:

 [pack $0 f] | [add 500 $1-bla $2]

ah yes.
i assumed (most probably correctly), that alex wanted to store the
qlist to a file and read it back in a different session of Pd.
and/or store a qlist with one instance of an abstraction, and recall
it from another instance.

fgmasdr
IOhannes
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Re: [PD] [qlist] and locality

2014-04-02 Thread IOhannes m zmoelnig
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2014-04-02 09:08, Roman Haefeli wrote:
 You're asking for inconsistency:

++

fmsda
IOhannes
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Re: [PD] [qlist] and locality

2014-04-02 Thread Miller Puckette
See also the 'text' object in 0.45 that does $ expansion :)

M

On Wed, Apr 02, 2014 at 09:45:56AM +0200, IOhannes m zmoelnig wrote:
 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA256
 
 On 2014-04-02 08:57, Roman Haefeli wrote:
  On Mon, 2014-03-31 at 18:54 -0300, Alexandre Torres Porres wrote:
  Hi there, I can't get messages from [qlist] to an object with
  $0. Is this really a problem?
  
  You can:
 
  [pack $0 f] | [add 500 $1-bla $2]
 
 ah yes.
 i assumed (most probably correctly), that alex wanted to store the
 qlist to a file and read it back in a different session of Pd.
 and/or store a qlist with one instance of an abstraction, and recall
 it from another instance.
 
 fgmasdr
 IOhannes
 -BEGIN PGP SIGNATURE-
 Version: GnuPG v1
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Re: [PD] [qlist] and locality

2014-04-02 Thread Alexandre Torres Porres
 See also the 'text' object in 0.45 that does $ expansion :)

on it ;)

Now, so it seems, at least [qlist] could be upgarded any time to do the
expansion, right? That wouldn't hurt, would it?

Cheers


2014-04-02 10:26 GMT-03:00 Miller Puckette m...@ucsd.edu:

 See also the 'text' object in 0.45 that does $ expansion :)

 M

 On Wed, Apr 02, 2014 at 09:45:56AM +0200, IOhannes m zmoelnig wrote:
  -BEGIN PGP SIGNED MESSAGE-
  Hash: SHA256
 
  On 2014-04-02 08:57, Roman Haefeli wrote:
   On Mon, 2014-03-31 at 18:54 -0300, Alexandre Torres Porres wrote:
   Hi there, I can't get messages from [qlist] to an object with
   $0. Is this really a problem?
  
   You can:
 
   [pack $0 f] | [add 500 $1-bla $2]
 
  ah yes.
  i assumed (most probably correctly), that alex wanted to store the
  qlist to a file and read it back in a different session of Pd.
  and/or store a qlist with one instance of an abstraction, and recall
  it from another instance.
 
  fgmasdr
  IOhannes
  -BEGIN PGP SIGNATURE-
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  Comment: Using GnuPG with Icedove - http://www.enigmail.net/
 
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Re: [PD] [qlist] and locality

2014-04-02 Thread Jonathan Wilkes

On 04/02/2014 03:08 AM, Roman Haefeli wrote:

On Tue, 2014-04-01 at 17:20 -0300, Alexandre Torres Porres wrote:

you might want to see the messages sent by [qlist]
the same as messages in msgboxes,
where you don't have $0-expansion either


Bummer. anyway, this brings me to a different topic then. Why is there
this lack of expansion in messages?

Message boxes _do_ expand dollar arguments.


I think I've raised this issue sometime ago. Sorry I don't remember
what the problem was, but I'd like to ask again if it's really really
hard to expand the functionality in messages, or if this could happen
sometime soon in Pd.

The difference is that dollar arguments in message boxes expand to the
incoming message while dollar arguments in object boxes expand to the
arguments given to the parent. $0 in object boxes is actually an
argument given implicitly by Pd to the parent (every instance of a Pd
file gets a separate one).
  

I believe there won't be any compatibility issues by expanding this
functionality. Old patches will still work and newer patches could be
simpler, right?

You're asking for inconsistency: You propose to have a mixture of dollar
arguments in message boxes, namely you want $0 to expand to an argument
of the parent and all other dollar arguments expand according to the
incoming message.


I think what the OP wants is some minimally-workable notion of scope wrt 
receive-symbols.  Because $0 doesn't deliver this, the next best thing 
is an inconsistent $0 that gets closer to minimally-workable scope.  It 
says something that so many people are willing to overlook the 
inconsistency to get behavior that doesn't cause them to pull their hair 
out.




While I also don't see how your proposal would break compatibility, I
think what I said above is the reasoning why things are how they are.


Tim Blechmann already addressed scope and implemented a solution in 
Nova.  There are certainly developers in the Pd community who could port 
that idea, or maybe even something better.  But free software devs have 
limited time, and they're smart, so they know if a now prominent 
Supercollider dev can't get such a needed improvement into Pd then they 
probably have 1000 better ways to spend their time.


-Jonathan


While I don't have a strong opinion on the subject matter, I suspect it
is not going to be changed soon (it was brought up a few times already,
iirc).


Roman
  






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Re: [PD] [qlist] and locality

2014-04-02 Thread IOhannes m zmölnig
On 04/02/2014 05:43 PM, Alexandre Torres Porres wrote:
 See also the 'text' object in 0.45 that does $ expansion :)
 
 on it ;)
 
 Now, so it seems, at least [qlist] could be upgarded any time to do the
 expansion, right? That wouldn't hurt, would it?

or you could build your own [qlist] based on [text]...no need to change
the old and rusty code of the original [qlist].

dsar
IOhannes



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Re: [PD] [qlist] and locality

2014-04-02 Thread Alexandre Torres Porres
 or you could build your own [qlist] based on [text]...
 no need to change the old and  rusty code of the original [qlist].

I get the workaround, but [qlist] is built for sequencing and simpler for
that (like, it can easily set the tempo), and I still think it wouldn't
hurt to make it more flexible. It'd be totally backwards compatible.

Although I assume I don't think I get the hassle it'd be to do that. I'm
still struggling to see what could be so tricky to make $0 possible to
work in messages, sorry :P

cheers

2014-04-02 13:50 GMT-03:00 IOhannes m zmölnig zmoel...@iem.at:

 On 04/02/2014 05:43 PM, Alexandre Torres Porres wrote:
  See also the 'text' object in 0.45 that does $ expansion :)
 
  on it ;)
 
  Now, so it seems, at least [qlist] could be upgarded any time to do the
  expansion, right? That wouldn't hurt, would it?

 or you could build your own [qlist] based on [text]...no need to change
 the old and rusty code of the original [qlist].

 dsar
 IOhannes


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Re: [PD] [qlist] and locality

2014-04-02 Thread Alexandre Torres Porres
By the way, haven't been really able to make it work well with [textfile].
If you get a symbol with $0-symbol from a text file, you can't use it to
work as an address for [send].


2014-04-02 19:00 GMT-03:00 Alexandre Torres Porres por...@gmail.com:

  or you could build your own [qlist] based on [text]...
  no need to change the old and  rusty code of the original [qlist].

 I get the workaround, but [qlist] is built for sequencing and simpler for
 that (like, it can easily set the tempo), and I still think it wouldn't
 hurt to make it more flexible. It'd be totally backwards compatible.

 Although I assume I don't think I get the hassle it'd be to do that. I'm
 still struggling to see what could be so tricky to make $0 possible to
 work in messages, sorry :P

 cheers

 2014-04-02 13:50 GMT-03:00 IOhannes m zmölnig zmoel...@iem.at:

 On 04/02/2014 05:43 PM, Alexandre Torres Porres wrote:
  See also the 'text' object in 0.45 that does $ expansion :)
 
  on it ;)
 
  Now, so it seems, at least [qlist] could be upgarded any time to do the
  expansion, right? That wouldn't hurt, would it?

 or you could build your own [qlist] based on [text]...no need to change
 the old and rusty code of the original [qlist].

 dsar
 IOhannes


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Re: [PD] [qlist] and locality

2014-04-02 Thread Alexandre Torres Porres
So, tried other things, and I see it won't be able to deal with messages
including $0 like [qlist]. So the reason must be not related to [qlist]
or [textfile], but the way Pd handles (or doesn't handle) $0 in messages.

The only workaround is to forcely insert $0 with [makefilename], but then
all symbols have to be local.

cheers


2014-04-02 20:49 GMT-03:00 Alexandre Torres Porres por...@gmail.com:

 By the way, haven't been really able to make it work well with [textfile].
 If you get a symbol with $0-symbol from a text file, you can't use it to
 work as an address for [send].


 2014-04-02 19:00 GMT-03:00 Alexandre Torres Porres por...@gmail.com:

  or you could build your own [qlist] based on [text]...
  no need to change the old and  rusty code of the original [qlist].

 I get the workaround, but [qlist] is built for sequencing and simpler for
 that (like, it can easily set the tempo), and I still think it wouldn't
 hurt to make it more flexible. It'd be totally backwards compatible.

 Although I assume I don't think I get the hassle it'd be to do that. I'm
 still struggling to see what could be so tricky to make $0 possible to
 work in messages, sorry :P

 cheers

 2014-04-02 13:50 GMT-03:00 IOhannes m zmölnig zmoel...@iem.at:

 On 04/02/2014 05:43 PM, Alexandre Torres Porres wrote:
  See also the 'text' object in 0.45 that does $ expansion :)
 
  on it ;)
 
  Now, so it seems, at least [qlist] could be upgarded any time to do the
  expansion, right? That wouldn't hurt, would it?

 or you could build your own [qlist] based on [text]...no need to change
 the old and rusty code of the original [qlist].

 dsar
 IOhannes


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Re: [PD] [qlist] and locality

2014-04-01 Thread IOhannes m zmoelnig
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA256

On 2014-03-31 23:54, Alexandre Torres Porres wrote:
 Hi there, I can't get messages from [qlist] to an object with $0.
 Is this really a problem?

yes (at least: yes, i expect that to make problems; you might want to
see the messages sent by [qlist] the same as messages in msgboxes,
where you don't have $0-expansion either).

however, it's fairly trivial to build a [qlist] from [textfile],
[delay] and [s] where you can do whatever magic you'd like to do to
the receive symbols.

fgmasdr
IOhannes
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Re: [PD] [qlist] and locality

2014-04-01 Thread Alexandre Torres Porres
 you might want to see the messages sent by [qlist]
 the same as messages in msgboxes,
 where you don't have $0-expansion either

Bummer. anyway, this brings me to a different topic then. Why is there this
lack of expansion in messages?

I think I've raised this issue sometime ago. Sorry I don't remember what
the problem was, but I'd like to ask again if it's really really hard to
expand the functionality in messages, or if this could happen sometime soon
in Pd.

I believe there won't be any compatibility issues by expanding this
functionality. Old patches will still work and newer patches could be
simpler, right?

cheers


2014-04-01 4:31 GMT-03:00 IOhannes m zmoelnig zmoel...@iem.at:

 -BEGIN PGP SIGNED MESSAGE-
 Hash: SHA256

 On 2014-03-31 23:54, Alexandre Torres Porres wrote:
  Hi there, I can't get messages from [qlist] to an object with $0.
  Is this really a problem?

 yes (at least: yes, i expect that to make problems; you might want to
 see the messages sent by [qlist] the same as messages in msgboxes,
 where you don't have $0-expansion either).

 however, it's fairly trivial to build a [qlist] from [textfile],
 [delay] and [s] where you can do whatever magic you'd like to do to
 the receive symbols.

 fgmasdr
 IOhannes
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