void DefineAsyncMethods(CallingConventions cc)
{
//
// BeginInvoke
//
Parameters async_parameters = Parameters.MergeGenerated(Parameters, false,
new Parameter [] {
new Parameter(null, "callback", Parameter.Modifier.NONE, null, Location),
new Parameter(null, "object", Parameter.Modifier.NONE, null, Location)
},
new Type [] {
TypeManager.asynccallback_type,
TypeManager.object_type
}
);
BeginInvokeBuilder = TypeBuilder.DefineMethod("BeginInvoke",
mattr, cc, TypeManager.iasyncresult_type, async_parameters.GetEmitTypes());
BeginInvokeBuilder.SetImplementationFlags(MethodImplAttributes.Runtime);
TypeManager.RegisterMethod(BeginInvokeBuilder, async_parameters);
member_cache.AddMember(BeginInvokeBuilder, this);
//
// EndInvoke is a bit more interesting, all the parameters labeled as
// out or ref have to be duplicated here.
//
//
// Define parameters, and count out/ref parameters
//
Parameters end_parameters;
int out_params = 0;
foreach (Parameter p in Parameters.FixedParameters)
{
if ((p.ModFlags & Parameter.Modifier.ISBYREF) != 0)
{
++out_params;
}
}
if (out_params > 0)
{
Type [] end_param_types = new Type [out_params];
Parameter[] end_params = new Parameter [out_params];
int param = 0;
for (int i = 0; i < Parameters.FixedParameters.Length; ++i)
{
Parameter p = Parameters [i];
if ((p.ModFlags & Parameter.Modifier.ISBYREF) == 0)
{
continue;
}
end_param_types [param] = Parameters.Types [i];
end_params [param] = p;
++param;
}
end_parameters = Parameters.CreateFullyResolved(end_params, end_param_types);
}
else
{
end_parameters = Parameters.EmptyReadOnlyParameters;
}
end_parameters = Parameters.MergeGenerated(end_parameters, false,
new Parameter(null, "result", Parameter.Modifier.NONE, null, Location), TypeManager.iasyncresult_type);
//
// Create method, define parameters, register parameters with type system
//
EndInvokeBuilder = TypeBuilder.DefineMethod("EndInvoke", mattr, cc, ret_type, end_parameters.GetEmitTypes());
EndInvokeBuilder.SetImplementationFlags(MethodImplAttributes.Runtime);
end_parameters.ApplyAttributes(EndInvokeBuilder);
TypeManager.RegisterMethod(EndInvokeBuilder, end_parameters);
member_cache.AddMember(EndInvokeBuilder, this);
}
