public override bool IsMatch(AttributeInfo attributeInfo)
{
INamedTypeSymbol attributeClass = attributeInfo.AttributeClass;
if (AttributeNames.Contains(attributeClass))
{
return(false);
}
ISymbol symbol = attributeInfo.Target;
if (symbol.IsKind(SymbolKind.NamedType) &&
attributeClass.HasMetadataName(_defaultMemberAttribute))
{
var namedType = (INamedTypeSymbol)symbol;
if (namedType.GetMembers().Any(f => f.IsKind(SymbolKind.Property) && ((IPropertySymbol)f).IsIndexer))
{
return(false);
}
}
#if DEBUG
Debug.Assert(
attributeClass.MetadataName == "FooAttribute" ||
attributeClass.MetadataName == "BarAttribute" ||
_knownVisibleAttributes.Contains(attributeClass),
attributeClass.ToDisplayString());
#endif
return(true);
}
public override SymbolFilterReason GetReason(ISymbol symbol, AttributeData attribute)
{
SymbolFilterReason reason = base.GetReason(symbol, attribute);
if (reason != SymbolFilterReason.None)
{
return(reason);
}
if (symbol.IsKind(SymbolKind.NamedType) &&
attribute.AttributeClass.HasMetadataName(_defaultMemberAttribute))
{
var namedType = (INamedTypeSymbol)symbol;
if (namedType.GetMembers().Any(f => f.IsKind(SymbolKind.Property) && ((IPropertySymbol)f).IsIndexer))
{
return(SymbolFilterReason.Ignored);
}
}
#if DEBUG
switch (attribute.AttributeClass.MetadataName)
{
case "FooAttribute":
case "BarAttribute":
return(SymbolFilterReason.None);
}
if (_knownVisibleAttributes.Contains(attribute.AttributeClass))
{
return(SymbolFilterReason.None);
}
Debug.Fail(attribute.AttributeClass.ToDisplayString());
#endif
return(reason);
}