Re: Parrot as an extension language

2005-05-20 Thread Colin Paul Adams
> "Dan" == Dan Sugalski <[EMAIL PROTECTED]> writes: Dan> So, I see four real options: Dan> 1) Someone fixes the Eiffel interface generator to understand Dan> C variadic functions. 2) We provide a function and method Dan> call interface that assumes you've already pre-filled i

Re: reduce metaoperator on an empty list

2005-05-20 Thread Matt Fowles
Mark~ On 5/20/05, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > > > Mark A. Biggar wrote: > > > Well the identity of % is +inf (also right side only). > > > > I read $n % any( $n..Inf ) == $n. The point is there's no > > unique right identity and thus (Num,%) disqualifies for a > > Monoid. BTW,

Re: pcre.t failure

2005-05-20 Thread Dino Morelli
On Fri, 20 May 2005, chromatic wrote: >On Fri, 2005-05-20 at 17:49 -0400, Dino Morelli wrote: > >> r8136, I'm seeing this test failure: >> >> $ perl t/harness t/library/pcre.t >> >> t/library/pcreCan't use string ("Test::Builder") as a HASH ref while >> "strict refs" in use at lib/Test/Builder

Re: reduce metaoperator on an empty list

2005-05-20 Thread mark . a . biggar
> Mark A. Biggar wrote: > > Well the identity of % is +inf (also right side only). > > I read $n % any( $n..Inf ) == $n. The point is there's no > unique right identity and thus (Num,%) disqualifies for a > Monoid. BTW, the above is a nice example where a junction > needn't be preserved :) If as

[perl #35903] [BUG] pcre.t failure

2005-05-20 Thread via RT
# New Ticket Created by jerry gay # Please include the string: [perl #35903] # in the subject line of all future correspondence about this issue. # https://rt.perl.org/rt3/Ticket/Display.html?id=35903 > i'm seeing the same failure, with perl 5.8.6, msvc 7.1, and win32 -- Forwarded me

[perl #35900] [PATCH] skip dynclasses, spawnw tests on win32

2005-05-20 Thread via RT
# New Ticket Created by jerry gay # Please include the string: [perl #35900] # in the subject line of all future correspondence about this issue. # https://rt.perl.org/rt3/Ticket/Display.html?id=35900 > dynclasses and spawnw have been busted on win32 for some time now. with this patch, these

RE: Graphing tool for PerlGuts Illustrated

2005-05-20 Thread Jan Dubois
On Fri, 20 May 2005, Brian Ingerson wrote: > On 20/05/05 22:06 +0300, Yuval Kogman wrote: > > Hola, > > > > In PerlGuts Illustrated you have some very pretty diagrams... > > > > Could you please hint me on what you generated them with, so that I > > can use it for the forthcomming PugsGuts Illustra

Re: pcre.t failure

2005-05-20 Thread chromatic
On Fri, 2005-05-20 at 17:49 -0400, Dino Morelli wrote: > r8136, I'm seeing this test failure: > > $ perl t/harness t/library/pcre.t > > t/library/pcreCan't use string ("Test::Builder") as a HASH ref while > "strict refs" in use at lib/Test/Builder.pm line 304. This is a feature of the Test-

pcre.t failure

2005-05-20 Thread Dino Morelli
r8136, I'm seeing this test failure: $ perl t/harness t/library/pcre.t t/library/pcreCan't use string ("Test::Builder") as a HASH ref while "strict refs" in use at lib/Test/Builder.pm line 304. # Looks like your test died before it could output anything. t/library/pcredubious Test

Re: Parrot as an extension language

2005-05-20 Thread C. Scott Ananian
On Fri, 20 May 2005, Dan Sugalski wrote: So, I see four real options: 1) Someone fixes the Eiffel interface generator to understand C variadic functions. 2) We provide a function and method call interface that assumes you've already pre-filled in the registers according to parrot's calling conve

Re: lazy context

2005-05-20 Thread Yuval Kogman
On Fri, May 20, 2005 at 17:15:24 -0400, C. Scott Ananian wrote: > This is very elegant. It might be worthwhile for someone to attempt to > define a 'core > perl' set of operators, etc, so that the 'rest of perl' can be defined in > perl proper... Have a look at synopsis 29... For documentatio

Re: Parrot as an extension language

2005-05-20 Thread C. Scott Ananian
On Fri, 20 May 2005, Colin Paul Adams wrote: Leopold> interpreter, PMC *sub, const char *sig, va_list args)> And as for hand-writing interfaces, I'm not sure I know HOW to create a va_list. void *Parrot_runops_fromc_argsN(Parrot_Interp i, PMC *sub, const char *si

Re: Graphing tool for PerlGuts Illustrated

2005-05-20 Thread 'Yuval Kogman'
On Fri, May 20, 2005 at 14:20:04 -0700, Jan Dubois wrote: > > IIRC(AIDRC), he hand-hacked postscript files for those diagrams :P > > After drawing them with a pen on graphing paper first to get the > coordinates right. The PostScript sources are all on CPAN too: I am impressed and humbled. I w

Re: lazy context

2005-05-20 Thread Patrick R. Michaud
On Fri, May 20, 2005 at 05:15:24PM -0400, C. Scott Ananian wrote: > On Fri, 20 May 2005, Yuval Kogman wrote: > > >then it is not finalized into a real value. Here's how the range > >operator would be implemented: > > > > sub &infix:<..> ($from, $to where { $to < $from }){ reverse $to .. > >

Re: Parrot as an extension language

2005-05-20 Thread Leopold Toetsch
Dan Sugalski wrote: There are interfaces in the extension system to get a void * and length back from a PMC when fetching string data out, but I see we don't have that for plain strings. I'll probably fix that this weekend if someone doesn't beat me to it. There was a disucssion WRT that on #par

Re: lazy context

2005-05-20 Thread C. Scott Ananian
On Fri, 20 May 2005, Yuval Kogman wrote: then it is not finalized into a real value. Here's how the range operator would be implemented: sub &infix:<..> ($from, $to where { $to < $from }){ reverse $to .. $from } sub &infix:<..> ($from, $to) { lazy gather { while ($f

Re: Parrot as an extension language

2005-05-20 Thread Dan Sugalski
At 4:35 PM -0400 5/20/05, C. Scott Ananian wrote: On Fri, 20 May 2005, Dan Sugalski wrote: Well, mostly. string->cstring conversion is potentially lossy, if for no other reason than embedded nulls will get in your way. I see we're not exposing anything to do that, though, which we ought to fix.

Re: Graphing tool for PerlGuts Illustrated

2005-05-20 Thread Brian Ingerson
On 20/05/05 22:06 +0300, Yuval Kogman wrote: > Hola, > > In PerlGuts Illustrated you have some very pretty diagrams... > > Could you please hint me on what you generated them with, so that I > can use it for the forthcomming PugsGuts Illustrated? I used to sit next to Gisle at ActiveState. IIRC

Re: Parrot as an extension language

2005-05-20 Thread C. Scott Ananian
On Fri, 20 May 2005, Dan Sugalski wrote: Well, mostly. string->cstring conversion is potentially lossy, if for no other reason than embedded nulls will get in your way. I see we're not exposing anything to do that, though, which we ought to fix. pascal-style strings (ie, char* and length) are the

Re: [unclassified] Re: reduce metaoperator on an empty list

2005-05-20 Thread Edward Cherlin
On Thursday 19 May 2005 19:51, Sam Vilain wrote: > Edward Cherlin wrote: > > Here is the last answer from Ken Iverson, who invented > > reduce in the 1950s, and died recently. > > file:///usr/share/j504/system/extras/help/dictionary/intro28 > >.htm http://www.jsoftware.com/books/help/dictionary/in

Re: Parrot as an extension language

2005-05-20 Thread Dan Sugalski
At 8:10 PM +0100 5/20/05, Colin Paul Adams wrote: > "Leopold" == Leopold Toetsch <[EMAIL PROTECTED]> writes: Leopold> Colin Paul Adams <[EMAIL PROTECTED]> wrote: >> I have a problem with this - namely that the function is >> variadic, and the interface generator can't cope with thi

Re: Parrot as an extension language

2005-05-20 Thread Leopold Toetsch
Colin Paul Adams wrote: "Leopold" == Leopold Toetsch <[EMAIL PROTECTED]> writes: Leopold> interpreter, PMC *sub, const char *sig, va_list args)> Despite what I said before, this is actually worse than Parrot_call_sub. The interface generator ignores it completely, What interface generator? .

Re: hyperoperators and multi-dimensional datastructures

2005-05-20 Thread Edward Cherlin
On Thursday 19 May 2005 12:48, Uri Guttman wrote: > > "LP" == Luke Palmer <[EMAIL PROTECTED]> writes: > > LP> On 5/18/05, Anthony Heading <[EMAIL PROTECTED]> wrote: > >> Is there a way to target hyperoperators at different axes > >> of a multi-dimensional array? This is an attractive >

Re: Complex Arithmetic

2005-05-20 Thread Edward Cherlin
On Thursday 19 May 2005 09:39, Luke Palmer wrote: > On 5/19/05, Edward Cherlin <[EMAIL PROTECTED]> wrote: > > It turns out that the domain and range and the location of > > the cut lines have to be worked out separately for different > > functions. Mathematical practice is not entirely consistent >

Re: Parrot as an extension language

2005-05-20 Thread Colin Paul Adams
> "Leopold" == Leopold Toetsch <[EMAIL PROTECTED]> writes: Leopold> Colin Paul Adams <[EMAIL PROTECTED]> wrote: >> I have a problem with this - namely that the function is >> variadic, and the interface generator can't cope with this. Leopold> Have a look at src/inter_run.c e.

Graphing tool for PerlGuts Illustrated

2005-05-20 Thread Yuval Kogman
Hola, In PerlGuts Illustrated you have some very pretty diagrams... Could you please hint me on what you generated them with, so that I can use it for the forthcomming PugsGuts Illustrated? Grazie! -- () Yuval Kogman <[EMAIL PROTECTED]> 0xEBD27418 perl hacker & /\ kung foo master: /me kic

Re: How do I... invoke a method reference

2005-05-20 Thread TSa (Thomas Sandlaß)
C. Scott Ananian wrote: I think Ingo was trying to explicitly specify the normally-implicit invocant; ie, invoke the method via the reference *without* using a '.'. If this is possible (and I think it is), it's not (yet) clear what the syntax would be. Maybe $ref(Foo.new():) I think for MMD c

lazy context

2005-05-20 Thread Yuval Kogman
Hola, Some of us on #perl6 bitched once more about how lazy will make our IO brain hurt a lot. The concensus is that a lazy context has not been discussed yet. Here is a proposal for lazyness defined with coroutines. we have a lazy modifier: my $a = lazy { get_value(5, 10) }; m

Re: Parrot as an extension language

2005-05-20 Thread Dan Sugalski
At 1:15 AM +0800 5/21/05, Autrijus Tang wrote: On Sat, May 21, 2005 at 12:53:15AM +0800, Autrijus Tang wrote: Yeah, I bumped against that too. You need to look at the "strstart" field in the ParrotString struct. In Haskell I use: peekCString =<< #{peek STRING, strstart} s5 Actually, never

Re: reduce metaoperator on an empty list

2005-05-20 Thread TSa (Thomas Sandlaß)
Mark A. Biggar wrote: Well the identity of % is +inf (also right side only). I read $n % any( $n..Inf ) == $n. The point is there's no unique right identity and thus (Num,%) disqualifies for a Monoid. BTW, the above is a nice example where a junction needn't be preserved :) E.g. if XSorry, is it t

Re: wanted: hash stress tests

2005-05-20 Thread Leopold Toetsch
Uri Guttman wrote: "LT" == Leopold Toetsch <[EMAIL PROTECTED]> writes: LT> I'm currently rewriting the hash implementation in src/hash.c. The LT> new hash structure has just one piece of malloced memory with LT> bucket pointers and buckets in one piece. here is an odd thought to add to that.

Re: Parrot as an extension language

2005-05-20 Thread Autrijus Tang
On Sat, May 21, 2005 at 12:53:15AM +0800, Autrijus Tang wrote: > Yeah, I bumped against that too. You need to look at the "strstart" > field in the ParrotString struct. > > In Haskell I use: > > peekCString =<< #{peek STRING, strstart} s5 Actually, never mind; string_to_cstring is the way t

Re: Parrot as an extension language

2005-05-20 Thread Autrijus Tang
On Sat, May 21, 2005 at 12:53:15AM +0800, Autrijus Tang wrote: > On Fri, May 20, 2005 at 05:42:48PM +0100, Colin Paul Adams wrote: > > There is a function declaration > > Parrot_string_cstring > > > > in string_funcs.h, but it appears to have no definitoon anywhere, so > > that's not much use to m

Re: Parrot as an extension language

2005-05-20 Thread Autrijus Tang
On Fri, May 20, 2005 at 05:42:48PM +0100, Colin Paul Adams wrote: > The problem I'm finding with this, is getting back the returned string > characters. > I assume the void * returned is pointing to a Parrot String. > Certainly it's not a const char *. Yes. > There is a function declaration > Par

Re: wanted: hash stress tests

2005-05-20 Thread Leopold Toetsch
Leopold Toetsch wrote: I'm currently rewriting the hash implementation in src/hash.c. The new hash structure has just one piece of malloced memory with bucket pointers and buckets in one piece. But before comitting I'd like to have some stress and benchmarks tests that first show that my implem

Re: wanted: hash stress tests

2005-05-20 Thread Uri Guttman
> "LT" == Leopold Toetsch <[EMAIL PROTECTED]> writes: LT> I'm currently rewriting the hash implementation in src/hash.c. The LT> new hash structure has just one piece of malloced memory with LT> bucket pointers and buckets in one piece. here is an odd thought to add to that. since your

Re: Parrot as an extension language

2005-05-20 Thread Colin Paul Adams
> "Autrijus" == Autrijus Tang <[EMAIL PROTECTED]> writes: Autrijus> You may wish to use Parrot_call_sub's "SS" form, where Autrijus> you pass in a string and get back a string. Something Autrijus> like this: Autrijus> my $interp = Parrot_new(undef); Autrijus> # .

Re: reduce metaoperator on an empty list

2005-05-20 Thread Mark A. Biggar
John Macdonald wrote: Is there a built-in operator that doesn't have a meaningful identity value? I first thought of exponentiation, but it has an identity value of 1 - you just have to realize that since it is a right associative operator, the identity has to be applied from the right. Well the i

Re: How to compile to PIR or byte codes

2005-05-20 Thread Autrijus Tang
On Fri, May 20, 2005 at 03:13:52PM +0100, Colin Paul Adams wrote: > I am trying to work out how to compile a perl script using pugs. > (Am I on the right mailing list?) Well, yes and no. To run Perl 5 in Parrot, you want the ponie-dev mailing list -- this is perl6-compiler after all. :-) > If I

Experimental Coroutine support landed.

2005-05-20 Thread Autrijus Tang
A highly experimental implementation of coroutines has landed to Pugs. The `coro` keyword denotes a coroutine. It may appear at any place where `sub` may appear, i.e. in both named and anonymous forms. I borrowed the semantics from Coro::Cont on CPAN, with the following restriction that you cann

Re: reduce metaoperator on an empty list

2005-05-20 Thread TSa (Thomas Sandlaß)
John Macdonald wrote: ... (and there may be additional operator attributes that make sense there too, although none come immediately to mind). Well, I wonder why people neglect the fact that the neutral/identity element is not a property of the operator alone?! Besides the associativity and commuta

Re: r8118: MSWin32 Test Results

2005-05-20 Thread jerry gay
On 5/20/05, Ron Blaschke <[EMAIL PROTECTED]> wrote: > > t/pmc/bigint now passes, but with Rev 8133 there are several other > failures (even with a fresh checkout). > > Failed Test Stat Wstat Total Fail Failed List of Failed > -

Re: reduce metaoperator on an empty list

2005-05-20 Thread John Macdonald
On Fri, May 20, 2005 at 06:09:55AM -0700, Randal L. Schwartz wrote: > > "Mark" == Mark A Biggar <[EMAIL PROTECTED]> writes: > > Mark> The usual definition of reduce in most languages that support it, is > Mark> that reduce over the empty list produces the Identity value for the > Mark> operati

How to compile to PIR or byte codes

2005-05-20 Thread Colin Paul Adams
I am trying to work out how to compile a perl script using pugs. (Am I on the right mailing list?) If I do pugs -h, then it suggests to me the -C option will do the trick, but does not say what value the backend might be. But I'm also having trouble running the script. It runs OK with perl 5, but

wanted: hash stress tests

2005-05-20 Thread Leopold Toetsch
I'm currently rewriting the hash implementation in src/hash.c. The new hash structure has just one piece of malloced memory with bucket pointers and buckets in one piece. But before comitting I'd like to have some stress and benchmarks tests that first show that my implementation is correct and

Re: reduce metaoperator on an empty list

2005-05-20 Thread Randal L. Schwartz
> "Randal" == Randal L Schwartz writes: Randal> For example, if I wanted the identity hash (where all values are 1, Randal> but keys are original list elements), I could do: Randal> my %hash = @somelist.inject({}, { $^a{$^b} = 1; $^a }); And yes, I know I can spell this as: my %hash = ({},

Re: reduce metaoperator on an empty list

2005-05-20 Thread Randal L. Schwartz
> "Mark" == Mark A Biggar <[EMAIL PROTECTED]> writes: Mark> The usual definition of reduce in most languages that support it, is Mark> that reduce over the empty list produces the Identity value for the Mark> operation. In Smalltalk, the equivalent of "reduce" is "inject:into:", so a "sum" re

Re: r8118: MSWin32 Test Results

2005-05-20 Thread Ron Blaschke
Leopold Toetsch wrote: > Ron Blaschke wrote: >> Ron Blaschke wrote: >t\pmc\bigint.t1 256221 4.55% 22 >> The problem seems to be caused by the C in >> F. Well, not the actual cause, but that's >> where we fail. > mpz_get_str() returned a string that was very likely a

Re: Parrot as an extension language

2005-05-20 Thread Colin Paul Adams
> "Leopold" == Leopold Toetsch <[EMAIL PROTECTED]> writes: Leopold> Colin Paul Adams <[EMAIL PROTECTED]> wrote: >> I have a problem with this - namely that the function is >> variadic, and the interface generator can't cope with this. Leopold> Have a look at src/inter_run.c e.

Re: Parrot as an extension language

2005-05-20 Thread Colin Paul Adams
> "Autrijus" == Autrijus Tang <[EMAIL PROTECTED]> writes: Autrijus> On Fri, May 20, 2005 at 10:34:39AM +0100, Colin Paul Autrijus> Adams wrote: >> I have a problem with this - namely that the function is >> variadic, and the interface generator can't cope with this. Autrij

Re: [perl #35892] [PATCH] Updated submissions.pod

2005-05-20 Thread Leopold Toetsch
Dino Morelli <[EMAIL PROTECTED]> wrote: > Updated the How To Submit Something New section to include patching > the MANIFEST file. Thanks, applied. leo

Re: Parrot as an extension language

2005-05-20 Thread Leopold Toetsch
Colin Paul Adams <[EMAIL PROTECTED]> wrote: > I have a problem with this - namely that the function is variadic, and > the interface generator can't cope with this. Have a look at src/inter_run.c e.g. leo

Re: Parrot as an extension language

2005-05-20 Thread Autrijus Tang
On Fri, May 20, 2005 at 10:34:39AM +0100, Colin Paul Adams wrote: > I have a problem with this - namely that the function is variadic, and > the interface generator can't cope with this. Hmm, in Haskell FFI, we hard-coded two cases of invocation, treating the function as two distinct, non-variadic

Re: Parrot as an extension language

2005-05-20 Thread Colin Paul Adams
> "Autrijus" == Autrijus Tang <[EMAIL PROTECTED]> writes: Autrijus> On Tue, May 17, 2005 at 03:00:14PM +0100, Colin Paul Autrijus> Adams wrote: >> But when I look at http://www.parrotcode.org/docs/embed.html, I >> can see no way of getting information back from the script -

Re: How do I... create a new meta operator?

2005-05-20 Thread TSa (Thomas Sandlaß)
HaloO Luke, you wrote: I wonder how we specify meta operators that only work on comparators, or only on assignment forms, or etc. etc. etc. Well, Perl6 has got first class Code types, hasn't it? So it's a matter of defining a type hierarchy among the operators and then you can dispatch on them with

rev 8132: .pragma n_operators (was: unary and infix ops summary and todo)

2005-05-20 Thread Leopold Toetsch
Leopold Toetsch <[EMAIL PROTECTED]> wrote: > 3) Proposal: PIR syntax enhancement >.pragma n_operators >... >Px = Py + 1 >... >[EOF] > Within this pragma (valid inside and until end of file) the shortcuts > '+', '-', ... should translate to "n_add", "n_sub", ... > This simplif

[perl #35892] [PATCH] Updated submissions.pod

2005-05-20 Thread via RT
# New Ticket Created by Dino Morelli # Please include the string: [perl #35892] # in the subject line of all future correspondence about this issue. # https://rt.perl.org/rt3/Ticket/Display.html?id=35892 > file: docs/submissions.pod Updated the How To Submit Something New section to include

Re: hyperoperators and multi-dimensional datastructures

2005-05-20 Thread Anthony Heading
Uri Guttman wrote: i can't spit out the syntax but here is the conceptual way i would do it. we do have multidimensional slices so we could grab each slice (maybe with zip?) and pass that to [+] and then grab the list of results back into a array/matrix with one less dimension than the original. Yu

foo(1: 2: 3: 4:) ?

2005-05-20 Thread Autrijus Tang
So I'm finally starting to implement multi-level invocants in MMDs. I'd like to sanity check some cases first, though. Are these two assumed to be identical? multi sub foo ($x, $y) multi sub foo ($x, $y : ) But these two are _not_ identical? multi sub foo ($x : $y : $z) multi su