public DeclarationTreeInfo GetOwnerDeclaration(DeclarationTreeInfo current)
{
if (current == null)
{
return(null);
}
switch (this.Owner)
{
case SymbolPropertyOwner.CurrentSymbol:
return(current);
case SymbolPropertyOwner.CurrentScope:
return(current.ParentScope);
case SymbolPropertyOwner.AncestorSymbol:
var ancestorSymbol = current.ParentDeclaration;
while (ancestorSymbol != null)
{
if (OwnerType == null || OwnerType.IsAssignableFrom(ancestorSymbol.ModelObjectType))
{
return(ancestorSymbol);
}
ancestorSymbol = ancestorSymbol.ParentDeclaration;
}
return(null);
case SymbolPropertyOwner.AncestorScope:
var ancestorScope = current.Parent;
while (ancestorScope != null)
{
if (OwnerType == null || OwnerType.IsAssignableFrom(ancestorScope.ModelObjectType))
{
return(ancestorScope);
}
ancestorScope = ancestorScope.ParentScope;
}
return(null);
default:
throw new NotImplementedException();
}
}
public void RegisterToOwner(DeclarationTreeInfo current)
{
var owner = this.GetOwnerDeclaration(current);
owner.RegisterProperty(this);
}