• Sean Cavanaugh (16/16) Apr 20 2011 I am working on a template class to provide function wrappers for COM
• Jacob Carlborg (5/21) Apr 20 2011 Not perfect (i.e. can't handle delegates) but works good enough:

Sean Cavanaugh <WorksOnMyMachine gmail.com> writes:

I am working on a template class to provide function wrappers for COM 
based objects, so the calling code doesn't have to dereference the 
underlying pointer.  In C++ we get this behavior for 'free' by 
overloading operator->.  In D I can create a fairly funky mixin template 
to inspect the contained class and auto-generate a bunch of wrapper 
functions.

Its easy enough to get the function list, by looping on 
__traits(getVirtualFunctions) for a class type, and feeding the results 
into MemberFunctionsTuple!().  This needs to be followed up by repeating 
the process for each base class specified , via BaseClassesTuple!().


So the real question:

Is there any way to get to the friendly names for function arguments 
discovered through the traits system?  MemberFunctionsTuple!() only 
returns the types as far as i can tell, which technically is enough for 
me to automatically name them something boring ArgA ArgB ArgC 
procedurally, is not a very nice thing to look at.

Jacob Carlborg <doob me.com> writes:

On 2011-04-20 22:05, Sean Cavanaugh wrote:
 I am working on a template class to provide function wrappers for COM
 based objects, so the calling code doesn't have to dereference the
 underlying pointer. In C++ we get this behavior for 'free' by
 overloading operator->. In D I can create a fairly funky mixin template
 to inspect the contained class and auto-generate a bunch of wrapper
 functions.

 Its easy enough to get the function list, by looping on
 __traits(getVirtualFunctions) for a class type, and feeding the results
 into MemberFunctionsTuple!(). This needs to be followed up by repeating
 the process for each base class specified , via BaseClassesTuple!().


 So the real question:

 Is there any way to get to the friendly names for function arguments
 discovered through the traits system? MemberFunctionsTuple!() only
 returns the types as far as i can tell, which technically is enough for
 me to automatically name them something boring ArgA ArgB ArgC
 procedurally, is not a very nice thing to look at.

Not perfect (i.e. can't handle delegates) but works good enough: 
http://dsource.org/projects/orange/browser/orange/util/Reflection.d#L29

-- 
/Jacob Carlborg