private void AddActionEntry(Item item, Func <ActionParsingTableEntry, bool> action, string actionDescription, ItemSet set, TerminalExpressionDefinition expressionDefinition)
{
ParsingTableSegment segment = GetOrCreateSegment(set);
ActionParsingTableEntry existingEntry = (ActionParsingTableEntry)segment.Entries.FirstOrDefault(x =>
x is ActionParsingTableEntry apte &&
apte.ActionDescription == actionDescription &&
apte.ExpressionDefinition.IsEqualTo(expressionDefinition));
if (existingEntry == null)
{
segment.Entries.Add(new ActionParsingTableEntry
{
ItemSet = set,
ExpressionDefinition = expressionDefinition,
Items = new List <Item> {
item
},
ActionDescription = actionDescription,
Action = action
});
}
else
{
existingEntry.Items.Add(item);
}
}
private ParsingTableSegment GetOrCreateSegment(ItemSet set)
{
if (Segments.TryGetValue(set.Id, out ParsingTableSegment existingSegment))
{
return(existingSegment);
}
ParsingTableSegment segment = new ParsingTableSegment
{
Set = set
};
Segments.Add(set.Id, segment);
return(segment);
}