namespace Microsoft.CSharp.RuntimeBinder.Semantics { internal abstract class NamespaceOrAggregateSymbol : ParentSymbol { private Declaration _declFirst; private Declaration _declLast; public NamespaceOrAggregateSymbol() { } public Declaration DeclFirst() { return _declFirst; } public void AddDecl(Declaration decl) { if (_declLast == null) _declFirst = (_declLast = decl); else { _declLast.declNext = decl; _declLast = decl; } decl.declNext = null; decl.bag = this; if (decl.IsNamespaceDeclaration()) decl.AsNamespaceDeclaration().Bag().DeclAdded(decl.AsNamespaceDeclaration()); } } }