private bool Shift(ActionParsingTableEntry entry)
{
ItemSet arg1 = entry.ItemSet;
ExpressionDefinition arg3 = entry.ExpressionDefinition;
List <ItemSet> transitions = arg1.Transitions.Where(x => x.Key.IsEqualTo(arg3)).Select(x => x.Value).ToList();
if (transitions.Count > 1)
{
throw new Exception();
}
ItemSet transition = transitions.First();
if (DebugModeEnabled)
{
Console.WriteLine("SHIFT " + Current.ToString() + ", to" + transition.Id);
}
Stack.Add(transition);
ParsingNode parsingNode = new ParsingNode()
{
Expression = new TerminalExpression
{
TokenType = ((TerminalExpressionDefinition)arg3).TokenType,
Key = ((TerminalExpressionDefinition)arg3).Key
},
Parser = this,
SubProduction = arg3.SubProduction
};
parsingNode.Attributes.Add(ParserConstants.Token, Current);
ParsingNodes.Add(parsingNode);
Current = LexicalAnalyzer.GetNextToken();
return(true);
}
public override bool IsEqualTo(ExpressionDefinition definition)
{
return(true);
}