static IEnumerable <T> CreateAttributeInstance <T> (CustomAttributeData attribute, ICustomAttributeProvider provider) where T : System.Attribute
{
var convertedAttributes = ConvertOldAttributes(attribute);
if (convertedAttributes.Any())
{
return(convertedAttributes.OfType <T> ());
}
var expectedType = ConvertType(typeof(T), provider);
if (attribute.AttributeType != expectedType && !IsSubclassOf(expectedType, attribute.AttributeType))
{
return(Enumerable.Empty <T> ());
}
System.Type attribType = ConvertType(attribute.AttributeType, provider);
var constructorArguments = new object [attribute.ConstructorArguments.Count];
for (int i = 0; i < constructorArguments.Length; i++)
{
var value = attribute.ConstructorArguments [i].Value;
switch (attribute.ConstructorArguments [i].ArgumentType.FullName)
{
case "System.Type":
if (value != null)
{
if (attribType.Assembly == typeof(TypeManager).Assembly)
{
constructorArguments [i] = value;
}
else
{
constructorArguments [i] = System.Type.GetType(((Type)value).FullName);
}
if (constructorArguments [i] == null)
{
throw ErrorHelper.CreateError(1056, "Internal error: failed to instantiate mock attribute '{0}' (could not convert type constructor argument #{1}). Please file a bug report (https://github.com/xamarin/xamarin-macios/issues/new) with a test case.", attribType.FullName, i + 1);
}
}
break;
default:
constructorArguments [i] = value;
break;
}
}
var parameters = attribute.Constructor.GetParameters();
var ctorTypes = new System.Type [parameters.Length];
for (int i = 0; i < ctorTypes.Length; i++)
{
var paramType = parameters [i].ParameterType;
switch (paramType.FullName)
{
case "System.Type":
if (attribType.Assembly == typeof(TypeManager).Assembly)
{
ctorTypes [i] = typeof(Type);
}
else
{
ctorTypes [i] = typeof(System.Type);
}
break;
default:
ctorTypes [i] = ConvertType(paramType, provider);
break;
}
if (ctorTypes [i] == null)
{
throw ErrorHelper.CreateError(1057, "Internal error: failed to instantiate mock attribute '{0}' (could not convert constructor type #{1} ({2})). Please file a bug report (https://github.com/xamarin/xamarin-macios/issues/new) with a test case.", attribType.FullName, i, paramType.FullName);
}
}
var ctor = attribType.GetConstructor(ctorTypes);
if (ctor == null)
{
throw ErrorHelper.CreateError(1058, "Internal error: could not find a constructor for the mock attribute '{0}'. Please file a bug report (https://github.com/xamarin/xamarin-macios/issues/new) with a test case.", attribType.FullName);
}
var instance = ctor.Invoke(constructorArguments);
for (int i = 0; i < attribute.NamedArguments.Count; i++)
{
var arg = attribute.NamedArguments [i];
var value = arg.TypedValue.Value;
if (arg.TypedValue.ArgumentType == TypeManager.System_String_Array)
{
var typed_values = (CustomAttributeTypedArgument [])arg.TypedValue.Value;
var arr = new string [typed_values.Length];
for (int a = 0; a < arr.Length; a++)
{
arr [a] = (string)typed_values [a].Value;
}
value = arr;
}
else if (arg.TypedValue.ArgumentType.FullName == "System.Type[]")
{
var typed_values = (CustomAttributeTypedArgument [])arg.TypedValue.Value;
var arr = new Type [typed_values.Length];
for (int a = 0; a < arr.Length; a++)
{
arr [a] = (Type)typed_values [a].Value;
}
value = arr;
}
else if (arg.TypedValue.ArgumentType.IsArray)
{
throw ErrorHelper.CreateError(1059, "Internal error: failed to instantiate mock attribute '{0}' (unknown type for the named argument #{1} ({2}). Please file a bug report (https://github.com/xamarin/xamarin-macios/issues/new) with a test case.", attribType.FullName, i + 1, arg.MemberName);
}
if (arg.IsField)
{
attribType.GetField(arg.MemberName).SetValue(instance, value);
}
else
{
attribType.GetProperty(arg.MemberName).SetValue(instance, value, new object [0]);
}
}
return(((T)instance).Yield());
}
IEnumerable <T> CreateAttributeInstance <T> (CustomAttributeData attribute, ICustomAttributeProvider provider) where T : System.Attribute
{
var convertedAttributes = ConvertOldAttributes(attribute);
if (convertedAttributes.Any())
{
return(convertedAttributes.OfType <T> ());
}
var expectedType = ConvertType(typeof(T), provider);
if (attribute.AttributeType != expectedType && !IsSubclassOf(expectedType, attribute.AttributeType))
{
return(Enumerable.Empty <T> ());
}
System.Type attribType = ConvertType(attribute.AttributeType, provider);
var constructorArguments = new object [attribute.ConstructorArguments.Count];
for (int i = 0; i < constructorArguments.Length; i++)
{
var value = attribute.ConstructorArguments [i].Value;
switch (attribute.ConstructorArguments [i].ArgumentType.FullName)
{
case "System.Type":
if (value != null)
{
if (attribType.Assembly == typeof(TypeManager).Assembly)
{
constructorArguments [i] = value;
}
else
{
constructorArguments [i] = System.Type.GetType(((Type)value).FullName);
}
if (constructorArguments [i] == null)
{
throw ErrorHelper.CreateError(1056, attribType.FullName, i + 1);
}
}
break;
default:
constructorArguments [i] = value;
break;
}
}
var parameters = attribute.Constructor.GetParameters();
var ctorTypes = new System.Type [parameters.Length];
for (int i = 0; i < ctorTypes.Length; i++)
{
var paramType = parameters [i].ParameterType;
switch (paramType.FullName)
{
case "System.Type":
if (attribType.Assembly == typeof(TypeManager).Assembly)
{
ctorTypes [i] = typeof(Type);
}
else
{
ctorTypes [i] = typeof(System.Type);
}
break;
default:
ctorTypes [i] = ConvertType(paramType, provider);
break;
}
if (ctorTypes [i] == null)
{
throw ErrorHelper.CreateError(1057, attribType.FullName, i, paramType.FullName);
}
}
var ctor = attribType.GetConstructor(ctorTypes);
if (ctor == null)
{
throw ErrorHelper.CreateError(1058, attribType.FullName);
}
var instance = ctor.Invoke(constructorArguments);
for (int i = 0; i < attribute.NamedArguments.Count; i++)
{
var arg = attribute.NamedArguments [i];
var value = arg.TypedValue.Value;
if (arg.TypedValue.ArgumentType == TypeManager.System_String_Array)
{
var typed_values = (CustomAttributeTypedArgument [])arg.TypedValue.Value;
var arr = new string [typed_values.Length];
for (int a = 0; a < arr.Length; a++)
{
arr [a] = (string)typed_values [a].Value;
}
value = arr;
}
else if (arg.TypedValue.ArgumentType.FullName == "System.Type[]")
{
var typed_values = (CustomAttributeTypedArgument [])arg.TypedValue.Value;
var arr = new Type [typed_values.Length];
for (int a = 0; a < arr.Length; a++)
{
arr [a] = (Type)typed_values [a].Value;
}
value = arr;
}
else if (arg.TypedValue.ArgumentType.IsArray)
{
throw ErrorHelper.CreateError(1073, attribType.FullName, i + 1, arg.MemberName);
}
if (arg.IsField)
{
attribType.GetField(arg.MemberName).SetValue(instance, value);
}
else
{
attribType.GetProperty(arg.MemberName).SetValue(instance, value, new object [0]);
}
}
return(((T)instance).Yield());
}
