/// <summary>
/// Adds a child declaration space.
/// </summary>
/// <param name="child">The <see cref="LocalDeclarationSpace"/> to add.</param>
public void AddChildSpace(LocalDeclarationSpace child)
{
if (child == null)
{
throw new ArgumentNullException("child");
}
if (Children.Contains(child))
{
throw new InvalidOperationException("the child was already added");
}
Children.Add(child);
child.Parent = this;
}
void VisitNewDeclarationSpace(AstNode node)
{
var oldDeclarationSpace = currentDeclarationSpace;
currentDeclarationSpace = new LocalDeclarationSpace();
if (oldDeclarationSpace != null)
{
oldDeclarationSpace.AddChildSpace(currentDeclarationSpace);
}
VisitChildren(node);
nodeDeclarationSpaces.Add(node, currentDeclarationSpace);
currentDeclarationSpace = oldDeclarationSpace;
}
