protected override bool ShallAnalyze(IFieldSymbol symbol)
{
if (symbol.Type.IsDependencyProperty() is false)
{
return(false);
}
// ignore attached properties
var attachedProperties = symbol.GetAssignmentsVia(Constants.Invocations.DependencyProperty.RegisterAttached).Any();
if (attachedProperties)
{
return(false);
}
// ignore "Key.DependencyProperty" assignments
var keys = symbol.ContainingType.GetMembers().OfType <IFieldSymbol>().Where(_ => _.Type.IsDependencyPropertyKey()).Select(_ => _.Name + ".DependencyProperty").ToHashSet();
foreach (var key in keys)
{
if (symbol.GetAssignmentsVia(key).Any())
{
return(false);
}
}
return(true);
}
protected override bool ShallAnalyze(IFieldSymbol symbol) => symbol.Type.IsDependencyPropertyKey() && symbol.GetAssignmentsVia(Constants.Invocations.DependencyProperty.RegisterAttachedReadOnly).None();
internal static SeparatedSyntaxList <ArgumentSyntax> GetInvocationArgumentsFrom(this IFieldSymbol value, string invocation) => value.GetAssignmentsVia(invocation) .Select(_ => _.GetEnclosing <InvocationExpressionSyntax>()) .Select(_ => _.ArgumentList) .Where(_ => _ != null) .Select(_ => _.Arguments) .FirstOrDefault(_ => _.Count > 0);
