public void CopyTo(DmdCustomAttributeData[] destination, ref int index, DmdMarshalType marshalType)
{
if (Count == 0)
{
return;
}
int argsCount = 5;
if (marshalType.MarshalType != null)
{
argsCount++;
}
if ((object)marshalType.MarshalTypeRef != null)
{
argsCount++;
}
if (marshalType.MarshalCookie != null)
{
argsCount++;
}
if ((object)marshalType.SafeArrayUserDefinedSubType != null)
{
argsCount++;
}
var type = ctor.ReflectedType;
var appDomain = type.AppDomain;
var unmanagedTypeType = appDomain.GetWellKnownType(DmdWellKnownType.System_Runtime_InteropServices_UnmanagedType, isOptional: false);
var varEnumType = appDomain.GetWellKnownType(DmdWellKnownType.System_Runtime_InteropServices_VarEnum, isOptional: false);
var namedArgs = new DmdCustomAttributeNamedArgument[argsCount];
int w = 0;
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("ArraySubType"), new DmdCustomAttributeTypedArgument(unmanagedTypeType, (int)marshalType.ArraySubType));
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("SizeParamIndex"), new DmdCustomAttributeTypedArgument(appDomain.System_Int16, marshalType.SizeParamIndex));
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("SizeConst"), new DmdCustomAttributeTypedArgument(appDomain.System_Int32, marshalType.SizeConst));
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("IidParameterIndex"), new DmdCustomAttributeTypedArgument(appDomain.System_Int32, marshalType.IidParameterIndex));
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("SafeArraySubType"), new DmdCustomAttributeTypedArgument(varEnumType, (int)marshalType.SafeArraySubType));
if (marshalType.MarshalType != null)
{
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("MarshalType"), new DmdCustomAttributeTypedArgument(appDomain.System_String, marshalType.MarshalType));
}
if ((object)marshalType.MarshalTypeRef != null)
{
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("MarshalTypeRef"), new DmdCustomAttributeTypedArgument(appDomain.System_Type, marshalType.MarshalTypeRef));
}
if (marshalType.MarshalCookie != null)
{
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("MarshalCookie"), new DmdCustomAttributeTypedArgument(appDomain.System_String, marshalType.MarshalCookie));
}
if ((object)marshalType.SafeArrayUserDefinedSubType != null)
{
namedArgs[w++] = new DmdCustomAttributeNamedArgument(type.GetField("SafeArrayUserDefinedSubType"), new DmdCustomAttributeTypedArgument(appDomain.System_Type, marshalType.SafeArrayUserDefinedSubType));
}
if (namedArgs.Length != w)
{
throw new InvalidOperationException();
}
var ctorArgs = new[] { new DmdCustomAttributeTypedArgument(unmanagedTypeType, (int)marshalType.Value) };
destination[index++] = new DmdCustomAttributeData(ctor, ctorArgs, namedArgs, isPseudoCustomAttribute: true);
}
static DmdConstructorInfo Initialize(DmdAppDomain appDomain, DmdMarshalType marshalType)
{
if (marshalType == null)
{
return(null);
}
var caType = appDomain.GetWellKnownType(DmdWellKnownType.System_Runtime_InteropServices_MarshalAsAttribute, isOptional: true);
var unmanagedTypeType = appDomain.GetWellKnownType(DmdWellKnownType.System_Runtime_InteropServices_UnmanagedType, isOptional: true);
var varEnumType = appDomain.GetWellKnownType(DmdWellKnownType.System_Runtime_InteropServices_VarEnum, isOptional: true);
if ((object)caType == null || (object)unmanagedTypeType == null || (object)varEnumType == null)
{
return(null);
}
var ctor = caType.GetConstructor(new[] { unmanagedTypeType });
Debug.Assert((object)ctor != null);
return(ctor);
}
public MarshalAsAttributeInfo(DmdParameterInfo parameter, DmdMarshalType marshalType) => ctor = Initialize(parameter.Member.AppDomain, marshalType);
public MarshalAsAttributeInfo(DmdFieldInfo field, DmdMarshalType marshalType) => ctor = Initialize(field.AppDomain, marshalType);
