// function to retrieve an ASTNode instance given an id
public ASTNode retrieveASTNodethroughID(int id)
{
if (IdToNodeMap.ContainsKey(id))
{
return(IdToNodeMap[id]);
}
else
{
return(null);
}
}
public bool TryGetParent(TimelineRecord record, [NotNullWhen(true)] out TimelineRecord?parent)
{
if (IdToNodeMap.TryGetValue(record.Id, out var node) &&
node.ParentNode is object)
{
parent = node.ParentNode.TimelineRecord;
return(true);
}
parent = null;
return(false);
}
private bool TryFindUp(string id, Func <TimelineNode, bool> predicate, [NotNullWhen(true)] out TimelineNode?node)
{
node = null;
if (!IdToNodeMap.TryGetValue(id, out var current))
{
return(false);
}
do
{
if (predicate(current))
{
node = current;
return(true);
}
current = current.ParentNode;
} while (current is object);
return(false);
}
public ASTNode GetASTNodeById(int id)
{
Debug.Assert(IdToNodeMap.ContainsKey(id), $"Unknown id: {id}");
return(IdToNodeMap[id]);
}
public bool HasASTNodeId(int id)
{
return(IdToNodeMap.ContainsKey(id));
}
public bool TryGetNode(TimelineRecord record, [NotNullWhen(true)] out TimelineNode?node) => IdToNodeMap.TryGetValue(record.Id, out node);
public bool TryGetNode(string id, [NotNullWhen(true)] out TimelineNode?node) => IdToNodeMap.TryGetValue(id, out node);
public bool IsPhase(string id) => IdToNodeMap.TryGetValue(id, out var node) && node.TimelineRecord.Type == "Phase";