public static AttachedMemberList Create(INamedTypeSymbol typeSymbol, TypeDataStore store, INamedTypeSymbol attachedMemberAttr)
{
var comparer = SymbolEqualityComparer.Default;
Dictionary <string, AttachedMemberData>?dic = null;
foreach (var attr in typeSymbol.GetAttributes())
{
if (comparer.Equals(attachedMemberAttr, attr.AttributeClass) == false)
{
continue;
}
var args = attr.ConstructorArguments;
if (args.Length != 3)
{
continue;
}
var memberName = args[0].Value?.ToString();
var code = args[1].Value?.ToString();
var memberTypeName = args[2].Value?.ToString();
var memberType = memberTypeName != null?store.Compilation.GetTypeByMetadataNameOrSpecialType(memberTypeName) : null;
if (memberName == null || code == null || memberType == null)
{
continue;
}
dic ??= new();
dic[memberName] = new AttachedMemberData(typeSymbol, memberName, code, memberType);
}
if (dic == null)
{
return(Empty);
}
return(new AttachedMemberList(dic, typeSymbol, store));
}
public bool TryGetData(string memberName, [MaybeNullWhen(false)] out AttachedMemberData data)
{
var dic = _dic;
if (dic is null)
{
data = null;
return(false);
}
return(dic.TryGetValue(memberName, out data));
}
