gmane.lisp.scheme.gauche

Re: test sometimes fails, maybe increase number of retries?

Shiro Kawai — 2012-05-23T11:51:48

Hm, I never saw it failed, but the change does no harm so I'll take it.
For the record, what platform you see the test fails on?

--shiro

From: karme< at >karme.de
Subject: [Gauche-devel] test sometimes fails, maybe increase number of retries?
Date: Wed, 23 May 2012 13:07:26 +0200

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test sometimes fails,maybe increase number of retries?

2012-05-23T11:07:26

Index: gauche-0.9.3.2/test/control.scm
===================================================================
--- gauche-0.9.3.2.orig/test/control.scm2012-03-20 10:07:45.000000000 +0100
+++ gauche-0.9.3.2/test/control.scm2012-05-23 12:57:09.299612417 +0200
< at >< at > -160,7 +160,7 < at >< at >
            (job-status (dequeue/wait! (thread-pool-results pool))))
     (test* "shutdown check" 'finished
            (let retry ([n 0])
-             (cond [(= n 10) #f]
+             (cond [(= n 1000) #f]
                    [(symbol? gate) gate]
                    [else (sys-nanosleep #e1e8) (retry (+ n 1))])))
     )

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Re: $ and .$

shuji yamamoto — 2012-05-13T00:57:45

Thanks for interesting & exciting advice .
I used .$ many time , because of n-in,m-out scene .
And , It save cost of typing :-)

Now I understood , $ macro suits n-in,1-out scene.
I am Japanese but not good schemer ,  recommended deep discussion page 
is difficult for me (T_T)


(2012/05/13 08:52), Shiro Kawai wrote:


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Re: $ and .$

Shiro Kawai — 2012-05-12T23:52:08

From: shuji yamamoto <shuuji.yamamoto< at >gmail.com>
Subject: [Gauche-devel] $ and .$
Date: Sun, 13 May 2012 08:00:40 +0900

This is true oniy if g returns a single value.

This is an invalid program---it expands to (+ (quotient&remainder 22 4)),
and you are returning two values where only one value is expected
(expressions in the argument position expect exactly one value).
Gauche doesn't bother to check every violation of number of values,
though, so it "happens" to work in this case.  It is not guaranteed
to work in other context, or in future versions.

OTOH, "compose" is defined explicilty to work with multiple values.

(.$ f g) == (lambda args (call-with-values (lambda () (apply g args)) f))

However, it is an interesting question to ask whether '$' should
"splice" multiple values into an argument list.

Functionally it would be a backward-compatible extension.  However,
allowing implicit splicing of multiple values may open a can of
worms.  You can't tell the number of arguments passed to f or g
by look

$ and .$

shuji yamamoto — 2012-05-12T23:00:40

Hi.
I testing $ macro.

gosh> ($ + $ quotient&remainder 22 4)
5
gosh> ((.$ + quotient&remainder) 22 4)
7

I thought $ is "compose" , but result is different.
I mean:
($ f a b $ g c d $) == (.$ (pa$ f a b ) (pa$ g c d) )

Shuji Yamamoto

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Another follow-up release

Shiro Kawai — 2012-05-11T21:45:21

0.9.3 build fails if you specify sjis or eucjp to --enable-multibyte
configuration option.  The fixed version (0.9.3.2) is available now.

http://practical-scheme.net/gauche/index.html

If you compile utf-8 version, you probably don't need to update.

--shiro







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Re: Release 0.9.3

Shiro Kawai — 2012-05-11T06:44:35

Good to know it works.
No need to blame yourself.  I don't think I've documented it
('maintainer-clean' and 'distclean' targets are GNU's convention).

--shiro

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Re: Release 0.9.3

shuji yamamoto — 2012-05-11T05:52:13

Thanks! it works.

$ gosh -V
Gauche scheme shell, version 0.9.3.1 [utf-8,pthreads], i686-pc-linux-gnu

2012/05/11 12:54, Shiro Kawai wrote:
No....
I have known "maintainer-clean" now.
I'm ashamed my ignorance ^^;



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Re: Release 0.9.3

Shiro Kawai — 2012-05-11T03:54:43

Weird.  Did you start from completely clean state (I mean,
right after git clone, or after make maintainer-clean)?

--shiro


From: shuji yamamoto <shuuji.yamamoto< at >gmail.com>
Subject: Re: [Gauche-devel] Release 0.9.3
Date: Fri, 11 May 2012 11:17:02 +0900


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Re: Release 0.9.3

shuji yamamoto — 2012-05-11T02:17:02

I install 0.9.3

$ gosh -V
Gauche scheme shell, version 0.9.3 [utf-8,pthreads], i686-pc-linux-gnu

then build git HEAD:
Looks like same error.

../src/gosh -q -I../src -I../lib -lgauche-init ./extract -en -o 
gauche-refe.texi ./gauche-ref.texi
gosh: "error": Compile Error: wrong number of arguments for #<subr 
%vm-parameter-ref> (required 2, got 3)
"././extract":20:(use file.util)


(2012/05/11 10:47), Shiro Kawai wrote:


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Re: Release 0.9.3

Shiro Kawai — 2012-05-11T01:47:06

Indeed I found a bug, but which only appears when you try
to use modules precompiled with 0.9.2 or before for
HEAD build.  Does it still happen if you build from 0.9.3
tarball, install it, then build HEAD?

--shiro


From: shuji yamamoto <shuuji.yamamoto< at >gmail.com>
Subject: Re: [Gauche-devel] Release 0.9.3
Date: Fri, 11 May 2012 09:35:33 +0900


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Re: Release 0.9.3

shuji yamamoto — 2012-05-11T00:35:33

Thanks for release 0.9.3. ^^

I tried to build git HEAD on ubuntu , and got some error:

../src/gosh -q -I../src -I../lib -lgauche-init ./extract -en -o 
gauche-refe.texi ./gauche-ref.texi
gosh: "error": Compile Error: wrong number of arguments for #<subr 
%vm-parameter-ref> (required 2, got 3)
"././extract":20:(use file.util)

It seem , some trouble on document.

Shuji Yamamoto< at >Ako City , Hyogo pref,  Japan.


(2012/05/11 08:09)Shiro Kawai wrote:


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Re: Release 0.9.3

Shiro Kawai — 2012-05-10T23:09:32

We found a problem in 0.9.3 release that on Windows/MinGW
it can't compile git HEAD version of Gauche.  A fixed release
(0.9.3.1) is posted on the site.

The bug only affects Windows/MinGW build.  Users on other
platforms don't need to rush to upgrade.

--shiro

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Release 0.9.3

Shiro Kawai — 2012-05-10T07:21:39

Gauche 0.9.3 is released.
Two big changes are (1) lazy sequences/generators and
(2) Windows native thread support.

Detailes release notes are on the webpage:
http://practical-scheme.net/gauche/index.html

For the next release, I aim at adding features for R7RS.

--shiro


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Re: some more makefile.in fixes for out of tree build

Shiro Kawai — 2012-02-11T20:15:32

Thanks.  Both fixes applied.

--shiro

From: karme< at >karme.de
Subject: [Gauche-devel] some more makefile.in fixes for out of tree build
Date: Sat, 11 Feb 2012 13:52:52 +0100


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some more makefile.in fixes for out of tree build

2012-02-11T12:52:52

diff --git a/doc/Makefile.in b/doc/Makefile.in
index 9b3408e..ddd198a 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
< at >< at > -113,10 +113,10 < at >< at > gauche-refe.info.gz : gauche-refe.texi
 fi
 
 gauche-refj.html : gauche-refj.texi
-texi2html --init-file=ja-init.pl --number gauche-refj.texi
+texi2html --init-file=$(srcdir)/ja-init.pl --number gauche-refj.texi
 
 gauche-refj_toc.html : gauche-refj.texi
-texi2html --init-file=ja-init.pl --split section --number gauche-refj.texi
+texi2html --init-file=$(srcdir)/ja-init.pl --split section --number gauche-refj.texi
 for f in gauche-refj*.html; do \
   sed 's/^<body lang="en"/<body lang="ja"/' $$f > $$f.t && mv $$f.t $$f; \
 done

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typo in makefile.in

2012-02-11T12:39:06

diff --git a/doc/Makefile.in b/doc/Makefile.in
index 9b3408e..eccdb5b 100644
--- a/doc/Makefile.in
+++ b/doc/Makefile.in
< at >< at > -138,7 +138,7 < at >< at > gauche-refj.info.gz : gauche-refj.texi
 fi
 
 gauche-deve.texi : gauche-dev.texi extract
-$(GOSH) $(extract)/extract -en -o gauche-deve.texi gauche-dev.texi
+$(GOSH) $(srcdir)/extract -en -o gauche-deve.texi gauche-dev.texi
 
 gauche-deve.html : gauche-deve.texi
 texi2html --number gauche-deve.texi

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Re: stream question / unbound memory?

Shiro Kawai — 2012-01-27T23:07:07

My hypothesis is that false pointer is *created* at some moment
during iteration, but not before the point where, if I insert gc,
the leak stops.  So at the moment explicit gc runs there's no
false pointer, which causes the stream head to be collected.
Otherwise the explicit gc won't stop the leak as you suggested.

It does sound unlikely, though.  I'll take a look again to understand
what's going on.

--shiro


From: "KOGURO, Naoki" <naoki< at >koguro.net>
Subject: Re: [Gauche-devel] stream question / unbound memory?
Date: Sat, 28 Jan 2012 07:50:03 +0900


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Re: stream question / unbound memory?

KOGURO, Naoki — 2012-01-27T22:50:03

It's weird. I have a question about your false pointer hypothesis.

If there is a false pointer, explicit gc unbind memory, I think.
Because implicit gc and explicit gc calls the same function
(GC_try_to_collect_inner).

Or if the calling (gc) disturbs the state in gauche and it removes a
false pointer, does calling other function like (print "Hello, world")
instead of (gc) unbind memory? (I tried it, but I saw the increasing
heap size.)

2012/1/28 Shiro Kawai <shiro< at >lava.net>:

Re: stream question / unbound memory?

Shiro Kawai — 2012-01-27T22:15:04

You're right about the current implemntation, but I've already
tried the modification you suggested and saw it didn't solve the
leak in my environment.   I also tried to clear garbages in the stack
for each iteration, which didn't work either.  Inserting gc
inside the loop sometimes solves, so I'm inclined to believe
it's a false pointer (as opposed to your hypothesis, which does
have a real live pointer to the stream head).

--shiro


From: "KOGURO, Naoki" <naoki< at >koguro.net>
Subject: Re: [Gauche-devel] stream question / unbound memory?
Date: Sat, 28 Jan 2012 06:06:53 +0900



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Re: stream question / unbound memory?

KOGURO, Naoki — 2012-01-27T21:06:53

If we define stream-for-each like this, the heap size looks like constant.

(define (stream-for-each proc . strms)
  (cond ((null? strms)
         (error "no stream arguments to stream-for-each"))
        ((not (every stream? strms))
         (error "non-stream argument to stream-for-each"))
        (else (let loop ((ss strms))
                (set! strms #f)  ; a quick hack for unbound memory
                (if (not (any stream-null? ss))
                  (begin (apply proc (map stream-car ss))
                         (loop (map stream-cdr ss))))))))


2012/1/28 KOGURO, Naoki <naoki< at >koguro.net>: