protected virtual void PerformEndLevelBehaviour(SymNode aLevel, SymTokenBalancerMatchCriteria aCriteria)
{
#region Example step (11a) from LevelFinished method
//
// We then add the closing bracket to level |1| which means
// that we can attempt to simplify level |2| entirely. This is the
// situation prior to simplification.
//
// |0| [ROOT]
// |
// |1| [TEST] [(] [@] [)]
// |
// |2| [(] [*] [)] [+] [(] [*] [)]
// | |
// |3| [ ] [B] [ ] [+] [ ] [C] [ ] [E]
//
// aLevel would be the @ node at level |1|.
//
// We remove redundant bracketing from our children, i.e. those on level |2|, not from our own level.
// Our parent takes care of removing this level's redundant bracketing (when it's level is completed)
// or then when an argument separator token is handled.
//
// We must iterate through level |1|'s children to find other level nodes. We check whether each
// child level node can be simplified by checking its children (i.e. our grandchildren).
//
#endregion
if (aCriteria.IsAssociatedBehaviourRemoveRedundantBracketing)
{
int index = 0;
object childLevelNodeObject = aLevel.ChildByType(typeof(SymTokenBalancerMarkerLevelNode), ref index);
while (childLevelNodeObject != null)
{
SymTokenBalancerMarkerLevelNode childLevelNode = (SymTokenBalancerMarkerLevelNode)childLevelNodeObject;
if (childLevelNode.CanBeSubsumed)
{
childLevelNode.Subsume();
}
// Try to find next level node
++index;
childLevelNodeObject = aLevel.ChildByType(typeof(SymTokenBalancerMarkerLevelNode), ref index);
}
}
}
public virtual SymArgument MakeArgument()
{
SymNode levelNodeToObtainArgumentsFrom = CurrentNode;
// Try to work out whether we have a leve node at the current
// scope which should be preferred t
object levelNodeObject = levelNodeToObtainArgumentsFrom.ChildByType(typeof(SymTokenBalancerMarkerLevelNode));
if (levelNodeObject != null)
{
levelNodeToObtainArgumentsFrom = (SymNode)levelNodeObject;
}
return(MakeArgument(levelNodeToObtainArgumentsFrom));
}