Your message dated Tue, 20 Sep 2011 21:03:03 +0000
with message-id <[email protected]>
and subject line Bug#468414: fixed in swig2.0 2.0.4-4
has caused the Debian Bug report #468414,
regarding swig lua backend doesn't return module table
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
468414: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=468414
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: swig
Version: 1.3.33-3
Severity: normal
It's standard practice in modern Lua for packages to arrange for the
module's table to be returned from require (as well as being added to
the global environment). People tend to rely on this behavior, and it's
idiomatic to load / use a module with code like:
the_mod = require "..."
the_mod.some_function (1,2,3)
Swig-generated Lua modules don't seem to follow this convention; instead
they seem to return a string (which is fairly useless).
For instance, if I use swig on the following swig input file "foo.swg":
%module foo
%{
char *hi_mom () { return "hi mom!"; }
%}
char *hi_mom ();
and I compile it with:
$ swig -c++ -lua foo.swg
% g++ -shared foo_wrap.cxx -I/usr/include/lua5.1 -o foo.so
then the following Lua session shows the swig module's behavior compared
to the module "lpeg", which illustrates the standard behavior:
$ lua
Lua 5.1.3 Copyright (C) 1994-2008 Lua.org, PUC-Rio
> the_swig_mod = require "foo"
> print (the_swig_mod)
foo
> print (the_swig_mod.hi_mom)
nil
> the_lpeg_mod = require "lpeg"
> print (the_lpeg_mod)
table: 0x8078d48
> print (the_lpeg_mod.match)
function: 0x806de20
>
Notice that loading the swig module simply returns a string from the
call to require, whereas the lpeg module returns the actual table.
Here's a quote from the book "Programming In Lua 2", which describes the
desired behavior:
From the user point of view, a module is a library that can be loaded
through require and that defines one single global name containing
a table. Everything that the module exports, such as functions and
constants, it defines inside this table, which works as a namespace.
A well-behaved module also arranges for require to return this table.
Thanks,
-Miles
-- System Information:
Debian Release: lenny/sid
APT prefers unstable
APT policy: (990, 'unstable'), (500, 'testing'), (500, 'stable'), (1,
'experimental')
Architecture: i386 (i686)
Kernel: Linux 2.6.22.7 (PREEMPT)
Locale: LANG=ja_JP.UTF-8, LC_CTYPE=ja_JP.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages swig depends on:
ii libc6 2.7-8 GNU C Library: Shared libraries
ii libgcc1 1:4.3-20080219-1 GCC support library
ii libstdc++6 4.3-20080219-1 The GNU Standard C++ Library v3
swig recommends no packages.
-- no debconf information
--- End Message ---
--- Begin Message ---
Source: swig2.0
Source-Version: 2.0.4-4
We believe that the bug you reported is fixed in the latest version of
swig2.0, which is due to be installed in the Debian FTP archive:
swig-doc_2.0.4-4_all.deb
to main/s/swig2.0/swig-doc_2.0.4-4_all.deb
swig-examples_2.0.4-4_all.deb
to main/s/swig2.0/swig-examples_2.0.4-4_all.deb
swig2.0-doc_2.0.4-4_all.deb
to main/s/swig2.0/swig2.0-doc_2.0.4-4_all.deb
swig2.0-examples_2.0.4-4_all.deb
to main/s/swig2.0/swig2.0-examples_2.0.4-4_all.deb
swig2.0_2.0.4-4.debian.tar.gz
to main/s/swig2.0/swig2.0_2.0.4-4.debian.tar.gz
swig2.0_2.0.4-4.dsc
to main/s/swig2.0/swig2.0_2.0.4-4.dsc
swig2.0_2.0.4-4_amd64.deb
to main/s/swig2.0/swig2.0_2.0.4-4_amd64.deb
swig_2.0.4-4_amd64.deb
to main/s/swig2.0/swig_2.0.4-4_amd64.deb
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Torsten Landschoff <[email protected]> (supplier of updated swig2.0 package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
Format: 1.8
Date: Tue, 20 Sep 2011 22:45:05 +0200
Source: swig2.0
Binary: swig swig2.0 swig-examples swig2.0-examples swig-doc swig2.0-doc
Architecture: source all amd64
Version: 2.0.4-4
Distribution: unstable
Urgency: low
Maintainer: Torsten Landschoff <[email protected]>
Changed-By: Torsten Landschoff <[email protected]>
Description:
swig - Generate scripting interfaces to C/C++ code
swig-doc - HTML documentation for SWIG
swig-examples - Examples for applications of SWIG
swig2.0 - Generate scripting interfaces to C/C++ code
swig2.0-doc - HTML documentation for SWIG
swig2.0-examples - Examples for applications of SWIG
Closes: 468414 642202
Changes:
swig2.0 (2.0.4-4) unstable; urgency=low
.
* Acknowledge NMU, thanks again Luca (and Jonathan for the patch).
* Merge revision 12814 from upstream (closes: #642202).
* Merge revision 12780 from upstream (closes: #468414).
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