internal QuickAttributeChecker AddAliasesIfAny(SyntaxList <UsingDirectiveSyntax> usingsSyntax)
{
if (usingsSyntax.Count == 0)
{
return(this);
}
QuickAttributeChecker newChecker = null;
foreach (var usingDirective in usingsSyntax)
{
if (usingDirective.Alias != null)
{
string name = usingDirective.Alias.Name.Identifier.ValueText;
string target = usingDirective.Name.GetUnqualifiedName().Identifier.ValueText;
if (_nameToAttributeMap.TryGetValue(target, out var foundAttributes))
{
// copy the QuickAttributes from alias target to alias name
(newChecker ?? (newChecker = new QuickAttributeChecker(this))).AddName(name, foundAttributes);
}
}
}
if (newChecker != null)
{
#if DEBUG
newChecker._sealed = true;
#endif
return(newChecker);
}
return(this);
}
private QuickAttributeChecker(QuickAttributeChecker previous)
{
_nameToAttributeMap = new Dictionary <string, QuickAttributes>(
previous._nameToAttributeMap,
StringComparer.Ordinal
);
// NOTE: caller must seal
}
private static QuickAttributeChecker CreatePredefinedQuickAttributeChecker()
{
var result = new QuickAttributeChecker();
result.AddName(AttributeDescription.TypeIdentifierAttribute.Name, QuickAttributes.TypeIdentifier);
result.AddName(AttributeDescription.TypeForwardedToAttribute.Name, QuickAttributes.TypeForwardedTo);
#if DEBUG
result._sealed = true;
#endif
return(result);
}
