public NodeStateTable <T> GetLatestStateTableForNode <T>(IIncrementalGeneratorNode <T> source)
{
// if we've already evaluated a node during this build, we can just return the existing result
if (_tableBuilder.ContainsKey(source))
{
return((NodeStateTable <T>)_tableBuilder[source]);
}
// get the previous table, if there was one for this node
NodeStateTable <T> previousTable = _previousTable.GetStateTableOrEmpty <T>(source);
// request the node update its state based on the current driver table and store the new result
var newTable = source.UpdateStateTable(this, previousTable, _cancellationToken);
_tableBuilder[source] = newTable;
return(newTable);
}
public Builder(SyntaxReceiverInputNode owner, DriverStateTable driverStateTable, bool trackIncrementalSteps)
{
_owner = owner;
_nodeStateTable = driverStateTable.GetStateTableOrEmpty <ISyntaxContextReceiver?>(_owner).ToBuilder(stepName: null, trackIncrementalSteps);
try
{
_receiver = owner._receiverCreator();
}
catch (Exception e)
{
throw new UserFunctionException(e);
}
if (_receiver is object)
{
_walker = new GeneratorSyntaxWalker(_receiver);
}
}
public Builder(SyntaxInputNode <T> owner, DriverStateTable table)
{
_owner = owner;
_filterTable = table.GetStateTableOrEmpty <SyntaxNode>(_owner._filterKey).ToBuilder();
_transformTable = table.GetStateTableOrEmpty <T>(_owner).ToBuilder();
}
public Builder(SyntaxInputNode <T> owner, DriverStateTable table, bool trackIncrementalSteps)
{
_owner = owner;
_filterTable = table.GetStateTableOrEmpty <SyntaxNode>(_owner._filterKey).ToBuilder(stepName: null, trackIncrementalSteps);
_transformTable = table.GetStateTableOrEmpty <T>(_owner).ToBuilder(_owner.Name, trackIncrementalSteps);
}
