/// <summary>
/// Produces a list of all GroupAggregateVarInfos, each of which represents a single group aggregate
/// and it candidate function aggregates. It also produces a delegate that given a child node returns the parent node
/// </summary>
/// <param name="itree"></param>
/// <param name="tryGetParent"></param>
/// <returns></returns>
internal static IEnumerable<GroupAggregateVarInfo> Process(Command itree, out TryGetValue tryGetParent)
{
var groupRefComputingVisitor = new GroupAggregateRefComputingVisitor(itree);
groupRefComputingVisitor.VisitNode(itree.Root);
tryGetParent = groupRefComputingVisitor._childToParent.TryGetValue;
return groupRefComputingVisitor._groupAggregateVarInfoManager.GroupAggregateVarInfos;
}
/// <summary>
/// Produces a list of all GroupAggregateVarInfos, each of which represents a single group aggregate
/// and it candidate function aggregates. It also produces a delegate that given a child node returns the parent node
/// </summary>
/// <param name="itree"></param>
/// <param name="tryGetParent"></param>
/// <returns></returns>
internal static IEnumerable <GroupAggregateVarInfo> Process(Command itree, out TryGetValue tryGetParent)
{
GroupAggregateRefComputingVisitor groupRefComputingVisitor = new GroupAggregateRefComputingVisitor(itree);
groupRefComputingVisitor.VisitNode(itree.Root);
tryGetParent = groupRefComputingVisitor._childToParent.TryGetValue;
return(groupRefComputingVisitor._groupAggregateVarInfoManager.GroupAggregateVarInfos);
}
/// <summary>
/// The main driver
/// </summary>
private void Process()
{
IEnumerable <GroupAggregateVarInfo> groupAggregateVarInfos = GroupAggregateRefComputingVisitor.Process(m_command, out m_tryGetParent);
foreach (GroupAggregateVarInfo groupAggregateVarInfo in groupAggregateVarInfos)
{
if (groupAggregateVarInfo.HasCandidateAggregateNodes)
{
foreach (KeyValuePair <Node, Node> candidate in groupAggregateVarInfo.CandidateAggregateNodes)
{
TryProcessCandidate(candidate, groupAggregateVarInfo);
}
}
}
}