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program inheritedcorba;
{$mode objfpc}{$h+}
uses
typinfo;
type
{$interfaces corba}
iinterface1 = interface
procedure proc1;
end;
{$interfaces com}
iinterface2 = interface
procedure proc2;
end;
iinterface3 = interface(iinterface1)
procedure proc3;
end;
iinterface4 = interface(iinterface2)
procedure proc4;
end;
{$interfaces corba}
iinterface5 = interface(iinterface1)
procedure proc5;
end;
iinterface6 = interface(iinterface2)
procedure proc6;
end;
tclass1 = class(iinterface1)
public
procedure proc1;
end;
{tclass6 = class(iinterface6)
public
procedure proc6;
end;
}
{ does not compile because it is com style interface:
inheritedcorba.pas(36,12) Error: No matching implementation for
interface method "IUnknown.QueryInterface(const TGuid,out <Formal type>):
LongInt;StdCall" found ...
}
procedure writeinterfacetype(po: ptypeinfo);
begin
case po^.kind of
tkinterfaceraw: if (po^.name<>'iinterface1') and
(po^.name<>'iinterface3') and
(po^.name<>'iinterface5') then
halt(1);
tkinterface: if (po^.name<>'iinterface2') and
(po^.name<>'iinterface4') and
(po^.name<>'iinterface6') then
halt(2);
else
halt(3);
end;
end;
{ tclass1 }
procedure tclass1.proc1;
begin
end;
begin
writeinterfacetype(typeinfo(iinterface1));
writeinterfacetype(typeinfo(iinterface2));
writeinterfacetype(typeinfo(iinterface3));
writeinterfacetype(typeinfo(iinterface4));
writeinterfacetype(typeinfo(iinterface5));
writeinterfacetype(typeinfo(iinterface6));
writeln('ok');
end.
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