static bool __IsNullableForTypeHelper(DmdType nullable, DmdType param)
{
if (!nullable.IsNullable)
{
return(false);
}
return(param.IsEquivalentTo(nullable.GetNullableElementType()));
}
bool __CanCastParam(DmdType fromParam, DmdType toParam)
{
if (fromParam.IsEquivalentTo(toParam))
{
return(true);
}
var fromParamCorType = fromParam.__GetVerifierCorElementType();
if (__IsObjRef(fromParamCorType))
{
return(fromParam.__CanCastTo(toParam));
}
else if (__IsGenericVariable(fromParamCorType))
{
if (!fromParam.__ConstrainedAsObjRef())
{
return(false);
}
return(fromParam.__CanCastTo(toParam));
}
else if (__IsPrimitiveType(fromParamCorType))
{
var toParamCorType = toParam.__GetVerifierCorElementType();
if (__IsPrimitiveType(toParamCorType))
{
if (toParamCorType == fromParamCorType)
{
return(true);
}
if ((toParamCorType != DDN.ElementType.Boolean) &&
(fromParamCorType != DDN.ElementType.Boolean) &&
(toParamCorType != DDN.ElementType.Char) &&
(fromParamCorType != DDN.ElementType.Char))
{
if ((__Size(toParamCorType) == __Size(fromParamCorType)) &&
(__IsFloat(toParamCorType) == __IsFloat(fromParamCorType)))
{
return(true);
}
}
}
}
return(false);
}