private static ReadOnlyCollection <byte> GetDynamicFlags(CustomAttributeData attribute)
{
var arguments = attribute.ConstructorArguments;
if (arguments.Count == 0)
{
return(DynamicFlagsTrue);
}
else if (arguments.Count == 1)
{
var argument = arguments[0];
var argumentType = argument.ArgumentType;
if (argumentType.IsArray && argumentType.GetElementType().IsBoolean())
{
var collection = GetAttributeArrayArgumentValue(argument);
var numFlags = collection.Count;
var builder = ArrayBuilder <bool> .GetInstance(numFlags);
foreach (var typedArg in collection)
{
builder.Add((bool)typedArg.Value);
}
var result = DynamicFlagsCustomTypeInfo.ToBytes(builder);
builder.Free();
return(result);
}
}
return(null);
}
private ReadOnlyCollection <byte> SubstituteDynamicFlags(Type type, ReadOnlyCollection <byte> dynamicFlagsOpt)
{
var builder = ArrayBuilder <bool> .GetInstance();
int f = 0;
foreach (Type curr in new TypeWalker(type))
{
if (curr.IsGenericParameter && curr.DeclaringType.Equals(_typeDefinition))
{
AppendRangeFor(
curr,
_dynamicFlags,
_dynamicFlagStartIndices,
DynamicFlagsCustomTypeInfo.GetFlag,
builder);
}
else
{
builder.Add(DynamicFlagsCustomTypeInfo.GetFlag(dynamicFlagsOpt, f));
}
f++;
}
var result = DynamicFlagsCustomTypeInfo.ToBytes(builder);
builder.Free();
return(result);
}
internal static DkmClrCustomTypeInfo MakeCustomTypeInfo(params bool[] dynamicFlags)
{
if (dynamicFlags == null || dynamicFlags.Length == 0)
{
return(null);
}
var builder = ArrayBuilder <bool> .GetInstance(dynamicFlags.Length);
builder.AddRange(dynamicFlags);
var result = CustomTypeInfo.Create(DynamicFlagsCustomTypeInfo.ToBytes(builder), tupleElementNames: null);
builder.Free();
return(result);
}
