[PyKDE] Sip wishlist item: Parameter typechecking enhancement
phil at riverbankcomputing.co.uk
Mon Jul 18 17:29:31 BST 2005
On Monday 18 July 2005 5:15 pm, Nigel Stewart wrote:
> > I'm not clear what it is you are really doing, but you can specify
> > something similar...
> > Bar(SIP_PYOBJECT) [(Foo &)];
> > ...but you still might have to provide %MethodCode.
> I delved back into the Sip documentation:
> method ::= type name ( [argument-list] ) [const]
> [exceptions] [= 0] [function-annotations] [c++-signature]
> ; [%MethodCode]
> c++-signature ::= [ type ( [argument-list] )]
> I can't find any explanation of the c++-signature in
> the documentation, but I'll dig around and see if
> it helps.
The argument-list is the Python signature (ie. how the Python programmer will
call it). The c++-signature is the real C++ signature. If it is ommitted it
is assumed to be the same as the Python signature.
> In a nutshell, I want a wrapped constructor to pass
> a wrapped Foo as a PyObject parameter, but I'd prefer
> sip to do the typecheck that PyObject is a Foo, rather
> than trying to deal with it on the C++ side.
How about the GetWrapper annotation?
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