--- Begin Message ---
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Subject: |
master: setting merge-generics duplicate-binding-handler @ expand time raises an error |
|
Date: |
Thu, 12 Mar 2015 00:17:18 -0300 |
Hello guilers,
Hi Andy,
Following our brief chat on irc, yesterday, here is he bug I was referring to:
GNU Guile 2.1.0.322-eb3d6
setting merge-generics duplicate-binding-handler @ expand time raises an
error.
a) here is a short test case:
--8<---------------cut here---------------start------------->8---
#! /bin/sh
# -*- mode: scheme; coding: utf-8 -*-
exec guile -e main -s $0 "$@"
!#
(eval-when (expand load eval)
(use-modules (oop goops))
(default-duplicate-binding-handler
'(merge-generics replace warn-override-core warn last)))
(define (main args)
(display "hello\n"))
--8<---------------cut here---------------start------------->8---
=>
address@hidden:~/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler
76 $ ./hello
;;; note: source file
/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
;;; newer than compiled
/home/david/.cache/guile/ccache/2.2-LE-8-3.6/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/hello.go
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;; or pass the --no-auto-compile argument to disable.
;;; compiling
/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
;;; WARNING: compilation of
/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
failed:
;;; ERROR: No applicable method for #<<generic> merge-generics (3)> in call
Error while printing exception.
hello!
b) here is how it propagates, 'just' trying to import 2 gnome modules:
--8<---------------cut here---------------start------------->8---
#! /bin/sh
# -*- mode: scheme; coding: utf-8 -*-
exec guile -e main -s $0 "$@"
!#
(eval-when (expand load eval)
(use-modules (oop goops))
(default-duplicate-binding-handler
'(merge-generics replace warn-override-core warn last)))
(use-modules (gnome-2)
(gnome gobject)
(gnome glib))
(define (main args)
(display "hello!\n"))
--8<---------------cut here---------------start------------->8---
=>
address@hidden:~/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler
40 $ ./hello
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;; or pass the --no-auto-compile argument to disable.
;;; compiling
/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
;;; WARNING: compilation of
/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
failed:
;;; ERROR: No applicable method for #<<generic> merge-generics (3)> in call
Error while printing exception.
Backtrace:
In ice-9/boot-9.scm:
3275: 19 [try-module-autoload _ _]
2611: 18 [save-module-excursion #<program b6fe10 7f8a1b537984>]
3295: 17 [#<program b6fe10 7f8a1b537984>]
In unknown file:
?: 16 [primitive-load-path "gnome/gw/glib" #<program cb7120 7f8a1b537acc>]
In gnome/gw/glib.scm:
15: 15 [#<unspecified>]
In unknown file:
?: 14 [load-extension "libgw-guile-gnome-glib" "gw_init_wrapset_gnome_glib"]
In ice-9/boot-9.scm:
2999: 13 [#<variable ac1fd0 value: #<program 7f8a1b57ae68 7f8a1b539380>> # _ _
...]
3275: 12 [try-module-autoload _ _]
2611: 11 [save-module-excursion #<program b6fc90 7f8a1b537984>]
3295: 10 [#<program b6fc90 7f8a1b537984>]
In unknown file:
?: 9 [primitive-load-path "gnome/gw/generics" #<program d01a60 7f8a1b537acc>]
In gnome/gw/generics.scm:
35: 8 [#f]
In ice-9/boot-9.scm:
3136: 7 [define-module* _ #:filename _ #:pure _ #:version _ #:duplicates ...]
3074: 6 [resolve-interface (gnome gobject generics) #:select ...]
2999: 5 [#<variable ac1fd0 value: #<program 7f8a1b57ae68 7f8a1b539380>> # _ _
...]
3275: 4 [try-module-autoload _ _]
2611: 3 [save-module-excursion #<program b6fc30 7f8a1b537984>]
3295: 2 [#<program b6fc30 7f8a1b537984>]
In unknown file:
?: 1 [primitive-load-path "gnome/gobject/generics" ...]
In gnome/gobject/generics.scm:
130: 0 [()]
gnome/gobject/generics.scm:130:0: In procedure ():
gnome/gobject/generics.scm:130:0: In procedure module-lookup: Unbound variable:
<gobject>
address@hidden:~/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler
41 $
Cheers,
David
pgpTVAtZBolKI.pgp
Description: OpenPGP digital signature
--- End Message ---
--- Begin Message ---
|
Subject: |
Re: bug#20093: master: setting merge-generics duplicate-binding-handler @ expand time raises an error |
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Date: |
Thu, 23 Jun 2016 18:00:27 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Hi,
This was interesting -- turned out that GOOPS imports `map' from (srfi
srfi-1), and it's also there from (guile-user). SRFI-1 specified it via
#:replace so all is well, no warnings. However merge-generics is itself
a generic which needs `map' to dispatch over its types (at first) and
then that recurses, leading to badness.
But, you say, I only specified the duplicates handler after loading
goops! Well indeed, but if a module didn't specify #:duplicates, its
duplicates handling was implicitly dynamically scoped to whatever the
current default-duplicates-handlers were. That seems bogus to me: the
module declares its imports and exports and a lack of a declaration of
#:duplicates indicates that the module is implicitly specifying the
duplicate handlers that are described in the manual.
In master I have changed the `default-duplicate-binding-handler' to
simply access the handlers for the current module, as that seems to be
the correct thing. Let me know how it goes! Closing as done but let's
follow up :)
Andy
On Thu 12 Mar 2015 04:17, David Pirotte <address@hidden> writes:
> Hello guilers,
> Hi Andy,
>
> Following our brief chat on irc, yesterday, here is he bug I was referring to:
>
> GNU Guile 2.1.0.322-eb3d6
>
> setting merge-generics duplicate-binding-handler @ expand time raises an
> error.
>
> a) here is a short test case:
>
> #! /bin/sh
> # -*- mode: scheme; coding: utf-8 -*-
> exec guile -e main -s $0 "$@"
> !#
>
> (eval-when (expand load eval)
> (use-modules (oop goops))
> (default-duplicate-binding-handler
> '(merge-generics replace warn-override-core warn last)))
>
> (define (main args)
> (display "hello\n"))
>
> =>
>
> address@hidden:~/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler
> 76 $ ./hello
> ;;; note: source file
> /usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
> ;;; newer than compiled
> /home/david/.cache/guile/ccache/2.2-LE-8-3.6/usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/hello.go
> ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
> ;;; or pass the --no-auto-compile argument to disable.
> ;;; compiling
> /usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
> ;;; WARNING: compilation of
> /usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
> failed:
> ;;; ERROR: No applicable method for #<<generic> merge-generics (3)> in call
> Error while printing exception.
> hello!
>
>
> b) here is how it propagates, 'just' trying to import 2 gnome modules:
>
> #! /bin/sh
> # -*- mode: scheme; coding: utf-8 -*-
> exec guile -e main -s $0 "$@"
> !#
>
> (eval-when (expand load eval)
> (use-modules (oop goops))
> (default-duplicate-binding-handler
> '(merge-generics replace warn-override-core warn last)))
>
> (use-modules (gnome-2)
> (gnome gobject)
> (gnome glib))
>
> (define (main args)
> (display "hello!\n"))
>
> =>
>
> address@hidden:~/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler
> 40 $ ./hello
> ;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
> ;;; or pass the --no-auto-compile argument to disable.
> ;;; compiling
> /usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
> ;;; WARNING: compilation of
> /usr/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler/./hello
> failed:
> ;;; ERROR: No applicable method for #<<generic> merge-generics (3)> in call
> Error while printing exception.
> Backtrace:
> In ice-9/boot-9.scm:
> 3275: 19 [try-module-autoload _ _]
> 2611: 18 [save-module-excursion #<program b6fe10 7f8a1b537984>]
> 3295: 17 [#<program b6fe10 7f8a1b537984>]
> In unknown file:
> ?: 16 [primitive-load-path "gnome/gw/glib" #<program cb7120 7f8a1b537acc>]
> In gnome/gw/glib.scm:
> 15: 15 [#<unspecified>]
> In unknown file:
> ?: 14 [load-extension "libgw-guile-gnome-glib"
> "gw_init_wrapset_gnome_glib"]
> In ice-9/boot-9.scm:
> 2999: 13 [#<variable ac1fd0 value: #<program 7f8a1b57ae68 7f8a1b539380>> # _
> _ ...]
> 3275: 12 [try-module-autoload _ _]
> 2611: 11 [save-module-excursion #<program b6fc90 7f8a1b537984>]
> 3295: 10 [#<program b6fc90 7f8a1b537984>]
> In unknown file:
> ?: 9 [primitive-load-path "gnome/gw/generics" #<program d01a60
> 7f8a1b537acc>]
> In gnome/gw/generics.scm:
> 35: 8 [#f]
> In ice-9/boot-9.scm:
> 3136: 7 [define-module* _ #:filename _ #:pure _ #:version _ #:duplicates ...]
> 3074: 6 [resolve-interface (gnome gobject generics) #:select ...]
> 2999: 5 [#<variable ac1fd0 value: #<program 7f8a1b57ae68 7f8a1b539380>> # _ _
> ...]
> 3275: 4 [try-module-autoload _ _]
> 2611: 3 [save-module-excursion #<program b6fc30 7f8a1b537984>]
> 3295: 2 [#<program b6fc30 7f8a1b537984>]
> In unknown file:
> ?: 1 [primitive-load-path "gnome/gobject/generics" ...]
> In gnome/gobject/generics.scm:
> 130: 0 [()]
>
> gnome/gobject/generics.scm:130:0: In procedure ():
> gnome/gobject/generics.scm:130:0: In procedure module-lookup: Unbound
> variable: <gobject>
> address@hidden:~/alto/projects/guile-tests/2.2/goops/duplicate-binding-handler
> 41 $
>
>
> Cheers,
> David
--- End Message ---