private Type CreateInterface(NdrComProxyDefinition intf)
{
if (m_types.ContainsKey(intf.Iid))
{
return(m_types[intf.Iid]);
}
Type existing_type = COMUtilities.GetInterfaceType(intf.Iid);
if (existing_type != null)
{
m_types[intf.Iid] = existing_type;
return(existing_type);
}
ReportProgress($"Creating Interface {intf.Name}");
TypeBuilder tb = m_module.DefineType(
MakeIdentifier(intf.Name),
TypeAttributes.Public | TypeAttributes.Interface | TypeAttributes.Abstract);
m_types[intf.Iid] = tb;
tb.SetCustomAttribute(CreateAttribute <ComImportAttribute>());
tb.SetCustomAttribute(CreateAttribute <GuidAttribute>(intf.Iid.ToString()));
List <NdrProcedureDefinition> procs = new List <NdrProcedureDefinition>();
tb.SetCustomAttribute(GetInterfaceTypeAttribute(intf, procs));
foreach (var proc in procs)
{
string name = MakeIdentifier(proc.Name);
var ret_type = GetTypeDescriptor(proc.ReturnValue);
var param_types = proc.Params.Select(p => GetTypeDescriptor(p)).ToList();
var methbuilder = tb.DefineMethod(name, MethodAttributes.Public | MethodAttributes.Abstract | MethodAttributes.NewSlot | MethodAttributes.HideBySig | MethodAttributes.Virtual,
ret_type.BuiltinType, param_types.Select(p => p.GetParameterType()).ToArray());
for (int i = 0; i < param_types.Count; ++i)
{
var param_builder = methbuilder.DefineParameter(i + 1, param_types[i].Attributes, $"p{i}");
foreach (var attr in param_types[i].CustomAttributes)
{
param_builder.SetCustomAttribute(attr);
}
}
}
m_fixup.Enqueue(tb);
return(m_types[intf.Iid]);
}
private ComInterfaceType GetInterfaceTypeAndProcs(NdrComProxyDefinition proxy, List <NdrProcedureDefinition> procs)
{
ComInterfaceType type = ComInterfaceType.InterfaceIsIUnknown;
if (proxy.BaseIid == COMInterfaceEntry.IID_IDispatch)
{
type = ComInterfaceType.InterfaceIsIDispatch;
}
else if (proxy.BaseIid == COMInterfaceEntry.IID_IInspectable)
{
type = ComInterfaceType.InterfaceIsIInspectable;
}
else if (m_proxies.ContainsKey(proxy.BaseIid))
{
type = GetInterfaceTypeAndProcs(m_proxies[proxy.BaseIid], procs);
}
procs.AddRange(proxy.Procedures);
return(type);
}
private CustomAttributeBuilder GetInterfaceTypeAttribute(NdrComProxyDefinition proxy, List <NdrProcedureDefinition> procs)
{
return(CreateAttribute <InterfaceTypeAttribute>(GetInterfaceTypeAndProcs(proxy, procs)));
}