public override void VisitEventAssignment(IEventAssignmentOperation operation)
{
Assert.Equal(OperationKind.EventAssignment, operation.Kind);
var adds = operation.Adds;
AssertEx.Equal(new[] { operation.EventReference, operation.HandlerValue }, operation.Children);
}
private static AbstractExpression ReadEventAssignment(IEventAssignmentOperation op)
{
return(new AssignmentExpression {
Left = (IAssignable)ReadExpression(op.EventReference),
Right = ReadExpression(op.HandlerValue),
CompoundOperator = (op.Adds ? CompoundAssignmentOperator.Addition : CompoundAssignmentOperator.Subtraction)
});
}
private static void AnalyzeEventAssignmentMethod([NotNull] IMethodReferenceOperation binding,
[NotNull] IEventAssignmentOperation assignment, OperationAnalysisContext context)
{
string eventTargetName = GetEventTargetName(assignment.EventReference.Instance);
string handlerNameExpected = string.Concat(eventTargetName, "On", assignment.EventReference.Event.Name);
string handlerNameActual = binding.Method.Name;
if (handlerNameActual != handlerNameExpected)
{
context.ReportDiagnostic(Diagnostic.Create(Rule, binding.Syntax.GetLocation(), handlerNameActual,
assignment.EventReference.Event.Name, handlerNameExpected));
}
}
public override void VisitEventAssignment(IEventAssignmentOperation operation)
{
Assert.Equal(OperationKind.EventAssignment, operation.Kind);
var adds = operation.Adds;
// operation.EventReference shouldn't be null. The following conditional logic is
// a work around for https://github.com/dotnet/roslyn/issues/23810 and should
// be removed once the issue is fixed
if (operation.EventReference == null)
{
Assert.Equal(LanguageNames.VisualBasic, operation.Language);
Assert.Same(operation.HandlerValue, operation.Children.Single());
}
else
{
AssertEx.Equal(new[] { operation.EventReference, operation.HandlerValue }, operation.Children);
}
}
public override IOperation VisitEventAssignment(IEventAssignmentOperation operation, object argument)
{
return(new EventAssignmentOperation(Visit(operation.EventReference), Visit(operation.HandlerValue), operation.Adds, ((Operation)operation).SemanticModel, operation.Syntax, operation.Type, operation.ConstantValue, operation.IsImplicit));
}
public virtual void VisitEventAssignment(IEventAssignmentOperation operation)
{
DefaultVisit(operation);
}
public override void VisitEventAssignment([NotNull] IEventAssignmentOperation operation)
{
base.VisitEventAssignment(operation);
}
public override void VisitEventAssignment(IEventAssignmentOperation operation)
{
var adds = operation.Adds;
base.VisitEventAssignment(operation);
}
public PortableEventAssignmentOperation([NotNull] IEventAssignmentOperation operation)
{
Guard.NotNull(operation, nameof(operation));
innerOperation = operation;
}
public override bool VisitEventAssignment([NotNull] IEventAssignmentOperation operation1,
[CanBeNull] IOperation argument)
{
return(argument is IEventAssignmentOperation operation2 && AreBaseOperationsEqual(operation1, operation2) &&
operation1.Adds == operation2.Adds);
}
