/// <summary>
/// Called during moving some reister to memory. Update childs and then check if this node contains
/// register to replace. If so return access local instead of this node nad when this node contains
/// register (but is not this register) - move this subtree to the output list (newTrees).
/// </summary>
/// <returns>This node updated or generated access to local variable.</returns>
/// <param name="map">Map from registers (to replace) to function locals.</param>
/// <param name="newNodes">List for inserting new trees.</param>
/// <param name="f">Function owning new locals.</param>
internal virtual Node ReplaceRegisterWithLocal(IReadOnlyDictionary <RegisterNode, Local> map,
List <Node> newTrees, Function f)
{
if (map.ContainsKey(_register))
{
Local l = map[_register];
if (!(this is TemporaryNode))
{
newTrees.Add(new AssignmentNode(f.AccessLocal(l), this));
}
return(f.AccessLocal(l));
}
return(this);
}