2017-03-10 10:55 GMT+01:00 Peter Bex :
>
> Gauche and Racket accept this macro application, Scheme48 rejects it (but
> that's expected, because our syntax-rules is originally from Scheme48).
>
But Gauche fails like Chibi. They silently ignore the last ellipsis.
$ chibi-scheme
> (define-syntax def
I have the following macro:
(define-syntax define-facts
(syntax-rules ()
((_ (name a0 a1 ...) ((v00 v01 ...) (v10 v11 ...) ...))
'(define (name a0 a1 ...)
(conde
((== a0 v00) (== a1 v01) ...)
((== a0 v10) (== a1 v11) ...)
...)
In Guild 2.0.9 it
Hello,
the solution setting INSTALL_PROGRAM works fine for me.
Regards,
Sascha
-- Forwarded message --
From: Michele La Monaca
Date: 2015-03-13 21:18 GMT+01:00
Subject: Re: [Chicken-users] Chicken on Solaris
To: Sascha Ziemann
Hi Sascha,
glad to know it helped.
Can you
I tried to install Chicken on Solaris. Compilation works fine but
installation fails:
$ gmake PLATFORM=solaris PREFIX=$HOME/chicken install
"gmake" -f ./Makefile.solaris CONFIG= install
gmake[1]: Entering directory `/export/home/x/chicken-4.9.0.1'
install -d -m 755 "/export/home/x/chicken/lib"
dir
Hi,
I tried to play a bit with ARM assembler, but reading 4 byte from a port
seems to be quite hard with Chicken.
Why are 32 bits inexact?
(exact? #b1000) -> #f
What is the easiest way to read a 32 bit word in a looseless way from a
port?
Regards,
Sascha
__
Hi,
How to tell csc to call main in the same way like "csi -ss"?
$ cat distribution.scm
#! /usr/bin/csi -ss
(define (main args)
(display "main\n"))
$ ./distribution.scm
main
$ csc distribution.scm
$ ./distribution
$
csc does not seem to have a -ss option.
Regards,
Sascha
__
At Fri, 05 Dec 2014 11:55:39 +0100,
Jörg F. Wittenberger wrote:
>
> Am 04.12.2014 um 21:25 schrieb Sascha Ziemann:
> > It seems to me that the use of //* duplicates the inner 'a' node:
>
> That's not what it does. I'm not completely sure that XPath does
Hi,
what is the easiest way, when using Chicken on Windows, to convert a
UTF-8 string to UTF-16?
It seems to me that rename-file needs UTF-16 encoded strings on Windows.
Regards,
Sascha
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It seems to me that the use of //* duplicates the inner 'a' node:
(begin
(newline)
(pp ((sxpath "//h1[@class='header']//*")
(with-input-from-request
"http://www.imdb.com/title/tt0497465/";
#f html->sxml
prints
((span (@ (class "itemprop") (itemprop "name")) "Vicky Cristi
Hi,
I have a problem with Sxpath not preserving the node order.
This example:
(use regex)
(use http-client)
(use sxpath)
(use html-parser)
((sxpath "//h1[@class='header']//*/text()")
(with-input-from-request
"http://www.imdb.com/title/tt0497465/";
#f html->sxml))
returns
Hi,
what is the Chicken equivalent of Java's File.separator
http://docs.oracle.com/javase/8/docs/api/java/io/File.html#separator
and File.pathSeparator:
http://docs.oracle.com/javase/8/docs/api/java/io/File.html#pathSeparator
Something like this maybe:
(use posix)
(define file-separator
Am 16. Oktober 2014 00:39:59 MESZ, schrieb Thomas Chust :
>Do you think the default options in the OpenSSL egg
>should
>be "hardened"? Do you think more options should be introduced? Is
>compatibility with the rest of the internet a concern at all? ;-)
I think it is a good idea to make TLS t
Hi,
is it possible to use a Chicken 3 egg like the the SMTP client in
Chicken 4? I can not find the SMTP client in the version 4 eggs.
Regards,
Sascha
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2014-10-07 15:23 GMT+02:00 Christian Kellermann :
> If you can please consider upgrading, 4.7.0 is horribly out of date
> and tons of bugs have been fixed in the meantime.
>
With the two non obvious lines:
(use chicken-syntax)
(begin-for-syntax (require-extension blowfish))
it works better
2014-10-07 14:28 GMT+02:00 Kristian Lein-Mathisen :
>
> which CHICKEN version are you using?
>
It is the one which comes with Debian stable: 4.7.0-1
> There is a bug in some older versions where you need to specify (use
> chicken-syntax) for it work in compiled modules. Does that help?
>
>
Yes
2014-10-07 13:48 GMT+02:00 Peter Bex :
>
> You'll need to ensure that openssl is available to the application.
> Like the error message says, all you need to do is ensure that it's
> installed and it'll work. If you're using -deploy, make sure that you
> add the egg to your application bundle. I
2014-10-07 13:45 GMT+02:00 Christian Kellermann :
> * Sascha Ziemann [141007 13:37]:
> > The binary is not linked against Openssl:
> >
> > $ ldd domrobot
> > linux-gate.so.1 => (0xb7793000)
> > libchicken.so.6 => /usr/lib/libchicken.
Hi,
I have a small program talking XML-RPC over HTTPS. When I run it with csi
it works fine:
$ csi -s domrobot.scm 127.0.0.1
Record updated.
But when I try the compiled version I get an error:
$ csc domrobot.scm
$ ./domrobot 127.0.0.1
Error: (ssl-connect) Unable to connect over HTTPS. To fix t
Hi,
Chicken prints non printable characters in its call history:
(string->blob405 "�x\x1e�`�ռ�UF���~F")
My terminal crashed just because of this.
Is it the intended behavior? Or can I change this by myself?
Regards,
Sascha
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2014-10-06 15:53 GMT+02:00 Peter Bex :
> On Mon, Oct 06, 2014 at 03:44:38PM +0200, Sascha Ziemann wrote:
> > Error: during expansion of (curtain ...) - unbound variable:
> > blowfish#make-blowfish-encryptor
>
> You can do (begin-for-syntax (require-extension blowfish)) to
Hi,
I have a simple program using the blowfish egg in a macro to do some
obscurity:
(require-extension blowfish)
(define-syntax curtain
(ir-macro-transformer
(lambda (form inject compare?)
(let* ((str (cadr form))
(len (string-length str))
(pad (make-string
I tried to pass a list to amb but I do not know how to use amb-thunks. I
tried this:
(require-extension amb)
(let ((names '(a b c)))
(amb-collect
(let ((name (amb-thunks (map (lambda (x) x) names)))
(value (amb 'c 'b 'a)))
(amb-assert (eq? name value))
value)))
(let ((nam
I am running the following test on Red Hat Enterprise Linux Server
release 6.3 (Santiago):
$ uname -m
x86_64
$ getconf LONG_BIT
64
$ cat crash.scm
#! /usr/xxx/bin/csi -s
(use syslog)
(openlog #f opt/pid facility/local0)
$ csi crash.scm
CHICKEN
(c)2008-2011 The Chicken Team
(c)2000-2007 Felix L
The documentation for the thread-sleep! function in the srfi-18
documentation mentions a function called current-time. But that can
not be found:
http://wiki.call-cc.org/search?text=&ident=current-time
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2011/9/21 Christian Kellermann :
> A workaround is to explicitly specify follow-symlinks: #f in your
> call to find-files. Does that help you for now?
Of course. To be precise: I don't need it at all, because my data does
not have any symlinks. I tried it only out of spite. ;-)
_
The documentation for find-files says: By default, symbolic links are
not followed.
Try this:
$ ln -s this .
$ csi -R posix -e '(write (find-files "."))'
$ csi -v
CHICKEN
(c)2008-2011 The Chicken Team
(c)2000-2007 Felix L. Winkelmann
Version 4.7.0
linux-unix-gnu-x86-64 [ 64bit manyargs dload pt
2011/9/21 Christian Kellermann :
>
> I prefer improvement.
Btw this is what Bigloo does.
Interpreted:
$ dd if=/dev/zero bs=1M count=100 | od -xv | bigloo -i cat.scm > /dev/null
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 10.6036 s, 9.9 MB/s
Compiled with -static-all-bigl
2011/9/21 Christian Kellermann :
> On a second thought, here is what write-line does:
>
> (define write-line
> (lambda (str . port)
> (let ((p (if (##core#inline "C_eqp" port '())
> ##sys#standard-output
> (##sys#slot port 0) ) ) )
> (##sys#check-port p 'wri
What the hell does write-line do?
I used this script:
#! /usr/local/bin/csi -s
(define (write-line* line)
(display line)
(newline))
(if (not (null? (command-line-arguments)))
(set! write-line write-line*))
(let next-line ((line (read-line)))
(if (not (eof-object? line))
(begin
2011/9/20 Sascha Ziemann :
>
> $ dd if=/dev/zero bs=1M count=100 | od -xv | cat.scm > /dev/null
> 100+0 records in
> 100+0 records out
> 104857600 bytes (105 MB) copied, 36.9156 s, 2.8 MB/s
>
> With cat.scm being this:
>
> #! /usr/local/bin/csi -s
>
> (let n
2011/9/20 Daishi Kato :
>
> My guess is that read-line is slower than <> in perl.
> (I think <> is so optimized in perl.)
Yes this is one reason. I tried this:
$ dd if=/dev/zero bs=1M count=100 | od -xv | cat > /dev/null
100+0 records in
100+0 records out
104857600 bytes (105 MB) copied, 7.69538
2011/9/20 Christian Kellermann :
>
> You can add -profile to csc's options. If you need any eggs and
> want those profiled too, recompile them also with -profile.
How to do that?
I have installed them with chicken-install. As far as I can see there
are no options to specify compilation options.
2011/9/20 Alan Post :
>
> It looks like you have a copy-and-paste error here?
Yes it looks like. But this should be past error bullet proof:
$ for EXT in .pl .scm "" ; do file ../../bin/grep-domains$EXT ; time
../../bin/grep-domains$EXT | md5sum ; done
../../bin/grep-domains.pl: a /usr/bin/perl s
2011/9/20 Peter Bex :
>
> Also, you didn't say which site it was. The testset itself may also be
> an important factor.
aldi.us
About 187 megs of html, gif, jpg, swf and pdf.
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2011/9/20 Peter Bex :
> The most important question is: which version of Chicken is this?
> There have been massive optimizations done to irregex (the regex
> engine used in Chicken) between 4.6.0 and 4.7.0
csi -version reports this:
Version 4.7.0
linux-unix-gnu-x86-64 [ 64bit manyargs dload pta
I tried to use Chicken for a job I would use normally Perl for to find
out whether Chicken might be a useful alternative.
The job is: go through a web site mirror and report a unique list of
all domains from all hrefs.
This is the my Perl version:
#! /usr/bin/perl
use warnings;
use strict;
use
This throws an error:
(for-each (lambda (a b)
(printf "~s ~s\n" a b))
(list 1 2 3 0)
(list 4 5 6))
But this does not:
(for-each (lambda (a b)
(printf "~s ~s\n" a b))
(list 1 2 3)
(list 4 5 6 0))
Is this a bug or feature?
Guile thr
Is this the prefered way to use the return values of file-read?
(let-values (((data bytes)) (apply values (file-read fileno size)))
It looks a bit wired. Why does file-read not return values directly if
the language supports them?
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