C++ interface.

[Jacob Carlborg]

On 2014-04-01 20:01, Rene Zwanenburg wrote:
> On Tuesday, 1 April 2014 at 17:49:21 UTC, monnoroch wrote:
>> I mean, it would be just super cool. At my work we have like gigabytes
>> of c++ code, and almost all of it in namespaces, if i just could write
>> simple extern(C++) declarations for them it would be so much easier to
>> start working with D.
>
> If you know how your C++ compiler mangles functions inside namespaces,
> you should be able to hack something together using pragma mangle. I'm
> not sure how nice it can be, ideally a UDA (user defined attribute)
> should be enough, but I've never used them myself so I don't know if
> this is possible:
>
> @Cpp("namespace") void foo(int x);
>
> or even:
>
> @Cpp("namespace")
> {
>    void foo();
>    void bar();
> }
>
> where @Cpp applies extern(C++) and pragma(mangle,
> "correctlymangledname"). Anyone knows if this can be done?

That's not currently possible. Have a look at this: 
http://wiki.dlang.org/DIP50#C.2B.2B_Namespaces_.28issue_7961.29

-- 
/Jacob Carlborg