Re: [Swig-user] error CS0246: The type or namespace name `IDisposable' could not be found

[William S F. <ws...@fu...>]

It would be great if you submitted this as a SWIG github patch along with a
testcase for inclusion in newer versions of SWIG.

William

On 30 October 2014 at 08:03, Mathieu Malaterre <mat...@gm...>
wrote:

> Thanks much William ! I had copy/paste std_map.i to implement support
> for std::set in C#:
>
>
> http://sourceforge.net/p/gdcm/gdcm/ci/a55d1870a633a4eade24e45533ab499b26a5c5ad/tree/Wrapping/Csharp/std_set.i
>
> I'll do the diff with the current swig3.0/csharp/std_map.i and should be
> done.
>
> Thanks again,
>
> On Thu, Oct 30, 2014 at 8:21 AM, William S Fulton
> <ws...@fu...> wrote:
> > Just to be a bit more clear, you should aim to modify your .i file to
> fully
> > qualify your use of IDisposable to 'global::System.IDisposable'. I don't
> > know where this is coming from, but it is likely to be from a
> 'csinterfaces'
> > or 'csinterfaces_derived' typemap in your .i file. If you fully qualify
> > IDisposable, it will still work when using SWIG 2.
> >
> > William
> >
> > On 30 October 2014 07:06, William S Fulton <ws...@fu...>
> wrote:
> >>
> >> See the CHANGES file entry for 3.0.0:
> >>
> >> 2013-11-09: wsfulton
> >>             [C#] Apply patch #79 from Brant Kyser
> >>               - Remove using directives from the generated C# code and
> >> fully qualify the use of all .NET
> >>                 framework types in order to minimize potential name
> >> collisions from input files defining
> >>                 types, namespace, etc with the same name as .NET
> framework
> >> members.
> >>               - Globally qualify the use of .NET framework types in the
> >> System namespace
> >>               - Remove .NET 1.1 support, .NET 2 is the minimum for the
> C#
> >> module
> >>
> >>             This is a potential backwards compatibility break if code
> has
> >> been added relying on these using
> >>             statements that used to be generated:
> >>
> >>               using System;
> >>               using System.Runtime.InteropServices;
> >>
> >>             The quick fix to add these back in is to add the
> >> -DSWIG2_CSHARP command line option when
> >>             executing SWIG. See CSharp.html documentation for more info.
> >>
> >>             *** POTENTIAL INCOMPATIBILITY  ***
> >>
> >> William
> >>
> >> On 29 October 2014 08:14, Mathieu Malaterre <ma...@de...> wrote:
> >>>
> >>> Dear all,
> >>>
> >>> I am the maintainer of the GDCM package. It currently uses SWIG to
> >>> generate its C# API. Some users recently reported that GDCM now fails
> >>> to build using recent SWIG 3.x release (SWIG 2.x were fine). The error
> >>> is:
> >>>
> >>> TagSetType.cs(11,27): error CS0246: The type or namespace name
> >>> `IDisposable' could not be found. Are you missing `System' using
> >>> directive?
> >>>
> >>>
> >>> Where:
> >>>
> >>> [...]
> >>> $ head -12 ./Wrapping/Csharp/TagSetType.cs
> >>> /*
> >>>
> ----------------------------------------------------------------------------
> >>>  * This file was automatically generated by SWIG (http://www.swig.org
> ).
> >>>  * Version 3.0.2
> >>>  *
> >>>  * Do not make changes to this file unless you know what you are
> >>> doing--modify
> >>>  * the SWIG interface file instead.
> >>>  *
> >>>
> -----------------------------------------------------------------------------
> >>> */
> >>>
> >>> namespace gdcm {
> >>>
> >>> public class TagSetType : IDisposable
> >>> #if SWIG_DOTNET_3
> >>> [...]
> >>>
> >>> My question is:
> >>>
> >>> - Should I add the missing `using System` using swig macros ?
> >>> - Is there a documentation for migrating from swig 2.x to swig 3.x ?
> >>>
> >>> Thanks much,
> >>>
> >>> ref: https://github.com/malaterre/GDCM/issues/10
> >>>
> >>>
> >>>
> ------------------------------------------------------------------------------
> >>> _______________________________________________
> >>> Swig-user mailing list
> >>> Swi...@li...
> >>> https://lists.sourceforge.net/lists/listinfo/swig-user
> >>
> >>
> >
>
>
>
> --
> Mathieu
>