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interface feature support for passing by value

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Also add in missing $owner for governing ownership when returning pointers and references
This commit is contained in:
William S Fulton 2016-02-06 16:30:53 +00:00
commit a1f2d60535
4 changed files with 92 additions and 24 deletions
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19
Lib/csharp/feature_interface.i
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@ -1,14 +1,23 @@
%define DECLARE_INTERFACE_(CTYPE, INTERFACE, IMPL)
%feature("interface", name = "INTERFACE", cptr = "GetCPtr") CTYPE;
%typemap(cstype) CTYPE *, CTYPE & "INTERFACE"
%typemap(csdirectorout) CTYPE *, CTYPE & "$cscall.GetCPtr()"
%typemap(csdirectorin) CTYPE *, CTYPE & "(INTERFACE)new IMPL($iminput, false)"
%typemap(cstype) CTYPE, CTYPE *, CTYPE & "INTERFACE"
%typemap(csin) CTYPE, CTYPE & "$csinput.GetCPtr()"
%typemap(csin) CTYPE * "$csinput == null ? new HandleRef(null, IntPtr.Zero) : $csinput.GetCPtr()"
%typemap(csin) CTYPE & "$csinput.GetCPtr()"
%typemap(csout, excode=SWIGEXCODE) CTYPE *, CTYPE & {
%typemap(csout, excode=SWIGEXCODE) CTYPE {
IMPL ret = new IMPL($imcall, true);$excode
return (INTERFACE)ret;
}
%typemap(csout, excode=SWIGEXCODE) CTYPE & {
IMPL ret = new IMPL($imcall, $owner);$excode
return (INTERFACE)ret;
}
%typemap(csout, excode=SWIGEXCODE) CTYPE * {
IMPL ret = (cPtr == IntPtr.Zero) ? null : new IMPL($imcall, $owner);$excode
return (INTERFACE)ret;
}
%typemap(csdirectorin) CTYPE, CTYPE & "(INTERFACE)new IMPL($iminput, false)"
%typemap(csdirectorin) CTYPE * "($iminput == IntPtr.Zero) ? null : (INTERFACE)new IMPL($iminput, false)"
%typemap(csdirectorout) CTYPE, CTYPE *, CTYPE & "$cscall.GetCPtr()"
%enddef
%define DECLARE_INTERFACE_RENAME(CTYPE, INTERFACE, IMPL)