The problem is that the vtable function get_class return NULL. This is
easily fixable, but the root of the problem is that the _class attribute
is set in init as PMCNULL, but later it contains NULL.
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(I'd expect an exception to be raised instead.)
PIR code:
..sub 'foo' :main
$S0 = null
Attached is a possible fix of this problem. I'm fairly certain that
it's correct, but I'd like review from at least one other person befor
eI commit it.
0001--imcc.patch
Description: Binary data
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The following PIR code causes a segfault:
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maybe a duplicate of #43485
PIR code to reproduce:
..sub 'foo' :main
$S0 = null
$P0 =
On Thu, 2 Oct 2008, Tim Bunce wrote:
On Wed, Oct 01, 2008 at 11:24:04PM -0400, Brandon S. Allbery KF8NH wrote:
On 2008 Oct 1, at 22:23, Timothy S. Nelson wrote:
On Wed, 1 Oct 2008, Brandon S. Allbery KF8NH wrote:
On 2008 Oct 1, at 22:14, Timothy S. Nelson wrote:
Hi all. I've enjoyed
Looks correct.
Tested on Linux i386, parrot test pass, perl6 test pass, test program
in the RT does not hang and the generated pbc contains the expected
opcodes.
Good work!
--
Salu2
On Wed, Oct 01, 2008 at 11:24:04PM -0400, Brandon S. Allbery KF8NH wrote:
> On 2008 Oct 1, at 22:23, Timothy S. Nelson wrote:
>> On Wed, 1 Oct 2008, Brandon S. Allbery KF8NH wrote:
>>> On 2008 Oct 1, at 22:14, Timothy S. Nelson wrote:
Hi all. I've enjoyed(?) reading over the February/March
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Hi All,
This patch adds two new opcodes which allow a hash "exists" and "get"
to be p
On Sat Aug 16 07:56:04 2008, [EMAIL PROTECTED] wrote:
> - likely parser bug (Rakudo grammar.pg)
r31561
$ ./rakudo -e '$_ = { a => 1, b => 2}; say .{"b"}'
2
This has been fixed by Patrick some time ago.
On Thu, Oct 02, 2008 at 07:01:39PM +1000, Timothy S. Nelson wrote:
> On Thu, 2 Oct 2008, Tim Bunce wrote:
>
>> On Wed, Oct 01, 2008 at 11:24:04PM -0400, Brandon S. Allbery KF8NH wrote:
>>> On 2008 Oct 1, at 22:23, Timothy S. Nelson wrote:
On Wed, 1 Oct 2008, Brandon S. Allbery KF8NH wrote:
>>>
All,
Sorry, I see that I said opcode a new times, when of course I meant
PMC vtable entry.
Nick
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Hello,
Here is the p5chop patch that makes our tests pass the first 4 tests.
To test it
On Thu, 2 Oct 2008, Tim Bunce wrote:
The key point Brandon is making, that I'm not sure you're answering,
You probably mean "OtherTim" (ie. me) instead of "Brandon" here :).
Yeap, sorry Tim.
(I've seen comments like this totally confuse everyone, so I thought
I'd better mention i
On Thu, 2 Oct 2008, Daniel Ruoso wrote:
One thing we realized at that time is that XPath is good enough, even if
it seems to be adressing XML specifically, it has the concept of
"dimension" that can be extended to represent arbitrary aspects of
objects.
Hmm. Back in March, before I discovere
I think will be better the other way, using the return value to flag
existence, and passing a pointer to store the result. This will allow
shorter and cleaner code.
--
Salu2
HaloO,
Tim Bunce wrote:
But I have a nagging suspicion that this is a very powerful idea.
Applying the expressive power of a grammar-like mechanism to
search, backtrack, and match within a tree-like data structure.
Is this new or has anyone discussed it before?
I've mentioned the idea of usin
Timothy S. Nelson wrote:
> Hi all. I've enjoyed(?) reading over the February/March thread
> entitled "Musings on operator overloading". I've brought a few thoughts
> along; if they're old news, please tell me where to do more reading on it :).
>
> Over the last year or two, I've di
On Thu, 2 Oct 2008, Timothy S. Nelson wrote:
Now that Perl6 is in the mix, though, I think that the best way to do
it is to make roles that model eg. Nodes, Plexes (Documents), Elements, and
the like, and then have operators on them do all the work (like my idea of
using a slash for a combine
> (I'd expect an exception to be raised instead.)
>
>
> PIR code:
>
> ..sub 'foo' :main
> $S0 = null
> $P0 = open $S0, '<'
> ..end
>
> output:
> src/string.c:2106: failed assertion 's'
Fixed in r31565 , but several questions opened:
Where to put a test for this? There is no t/ops/io.t and
NotFound,
That would look cleaner, wouldn't it? I'll give it a go.
Nick
On Thu, Oct 2, 2008 at 3:35 PM, NotFound <[EMAIL PROTECTED]> wrote:
> I think will be better the other way, using the return value to flag
> existence, and passing a pointer to store the result. This will allow
> shorter and
On Thu, Oct 02, 2008 at 04:51:32PM +0100, Nick Glencross wrote:
> NotFound,
>
> That would look cleaner, wouldn't it? I'll give it a go.
>
> Nick
>
> On Thu, Oct 2, 2008 at 3:35 PM, NotFound <[EMAIL PROTECTED]> wrote:
> > I think will be better the other way, using the return value to flag
> > e
>> > I think will be better the other way, using the return value to flag
>> > existence, and passing a pointer to store the result. This will allow
>> > shorter and cleaner code.
>
> Another possibility might be to avoid the extra parameter altogether,
> returning NULL (not PMCNULL) if the element
On Wednesday 01 October 2008 21:24:39 Stephen Weeks via RT wrote:
> Attached is a possible fix of this problem. I'm fairly certain that
> it's correct, but I'd like review from at least one other person before
> I commit it.
It makes sense to me. I wonder if we could re-enable the optimization
> maybe a duplicate of #43485
>
> PIR code to reproduce:
>
> ..sub 'foo' :main
> $S0 = null
> $P0 = new 'Hash'
> # no crash without next line
> $P0['yum'] = 5
> $P1 = $P0[$S0]
> ..end
Fixed in r31566, together with a test adapted from this code.
Don't know if is related to #43
On Oct 2, 2008, at 10:36 , Timothy S. Nelson wrote:
On Thu, 2 Oct 2008, Timothy S. Nelson wrote:
Now that Perl6 is in the mix, though, I think that the best way to
do it is to make roles that model eg. Nodes, Plexes (Documents),
Elements, and the like, and then have operators on them do all
For tree-oriented pattern matching syntax, I'd recommend for
inspiration the RELAX NG Compact Syntax, rather than XPath.
Technically, RELAX NG is an XML schema validation language; but the
basic principle that it uses is to describe a tree-oriented pattern,
and to consider the document to be valid
On Thursday 02 October 2008 13:37:28 [EMAIL PROTECTED] wrote:
> Author: julianalbo
> Date: Thu Oct 2 13:37:27 2008
> New Revision: 31570
>
> Modified:
>trunk/src/ops/io.ops
>
> Log:
> some fixes in the open opcode
> --- trunk/src/ops/io.ops (original)
> +++ trunk/src/ops/io.ops Thu
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Hello,
Here is the chomp patch that makes all chomp.t tests pass.
To test it, please us
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Hi,
With this patch, $*OS and $*EXECUTABLE_NAME are now working.
However, $?... is not
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I just copied the 'attribute' method, renamed everything, and changed the
parameter order for
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Hello,
Here is the p5chomp patch that makes the first four tests to pass.
To test it, p
Qui, 2008-10-02 às 12:55 +0100, Tim Bunce escreveu:
> Like applying XPath to an XML DOM, only more general and taken
> further.
> By "more general and taken further" I'm thinking of the same kind of
> evoltion from simple regular expressions in perl5 to grammars in perl6.
> An XPath query is like a
On Fri, 3 Oct 2008, Timothy S. Nelson wrote:
On Thu, 2 Oct 2008, Timothy S. Nelson wrote:
Now that Perl6 is in the mix, though, I think that the best way to do
it is to make roles that model eg. Nodes, Plexes (Documents), Elements, and
the like, and then have operators on them do all the wor
On Thu, 2 Oct 2008, Moritz Lenz wrote:
[snip]
It sounds like a perfect idea for a very general library or rather
library framework. Perl 6 has all the hooks to install stuff like this.
Agree 100%. But I thought it might be useful toget some feedback from
others on this; I'd like to see the
Forgot to forward to list:
On Thu Oct 02 18:37:05 2008, [EMAIL PROTECTED] wrote:
> On Wed Oct 01 16:09:41 2008, julianalbo wrote:
>
> >
> > I see a more generic problem. Several modules add lib links to the
> > parrot executable. Makes sense to link static libraries if that is the
> > intention
On Fri, 3 Oct 2008, Timothy S. Nelson wrote:
On Fri, 3 Oct 2008, Timothy S. Nelson wrote:
On Thu, 2 Oct 2008, Timothy S. Nelson wrote:
Now that Perl6 is in the mix, though, I think that the best way to do
it is to make roles that model eg. Nodes, Plexes (Documents), Elements,
and the like,
On Thu, Oct 2, 2008 at 11:00 PM, chromatic <[EMAIL PROTECTED]> wrote:
> Can anything in the PIO_open() path throw an exception? If so, these strings
> will leak.
In a first look, it does not throw, but given that it calls layer
functions, one never can be sure. But I don't see a better solution
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