/// <summary>
/// Get an optional argument <see cref="RefKind"/> for an argument at the given <paramref name="index"/> to the given <paramref name="dynamicExpression"/>.
/// Returns a non-null argument <see cref="RefKind"/> for C#.
/// Always returns null for VB as <see cref="RefKind"/> cannot be specified for an the argument in VB.
/// </summary>
/// <param name="dynamicExpression">Dynamic or late bound expression.</param>
/// <param name="index">Argument index.</param>
public static RefKind?GetArgumentRefKind(this IDynamicObjectCreationExpression dynamicExpression, int index)
{
if (dynamicExpression == null)
{
throw new ArgumentNullException(nameof(dynamicExpression));
}
return(GetArgumentRefKind((HasDynamicArgumentsExpression)dynamicExpression, index));
}
public void IDynamicObjectCreationExpression_PublicExtensionMethodTests()
{
// Test null argument
IDynamicObjectCreationExpression nullDynamicExpression = null;
Assert.Throws <ArgumentNullException>(() => nullDynamicExpression.GetArgumentName(0));
Assert.Throws <ArgumentNullException>(() => nullDynamicExpression.GetArgumentRefKind(0));
Func <ImmutableArray <IOperation>, ImmutableArray <string>, ImmutableArray <RefKind>, HasDynamicArgumentsExpression> createDynamicExpression =
(arguments, argumentNames, argumentRefKinds) => new DynamicObjectCreationExpression(arguments, argumentNames, argumentRefKinds, null, null, null, null, null, false);
TestCore(createDynamicExpression);
}
public override void VisitDynamicObjectCreationExpression(IDynamicObjectCreationExpression operation)
{
VisitDynamicArguments((HasDynamicArgumentsExpression)operation);
base.VisitDynamicObjectCreationExpression(operation);
}
public virtual void VisitDynamicObjectCreationExpression(IDynamicObjectCreationExpression operation)
{
DefaultVisit(operation);
}
public override IOperation VisitDynamicObjectCreationExpression(IDynamicObjectCreationExpression operation, object argument)
{
return(new DynamicObjectCreationExpression(VisitArray(operation.Arguments), ((HasDynamicArgumentsExpression)operation).ArgumentNames, ((HasDynamicArgumentsExpression)operation).ArgumentRefKinds, Visit(operation.Initializer), ((Operation)operation).SemanticModel, operation.Syntax, operation.Type, operation.ConstantValue, operation.IsImplicit));
}
