private void A(AnalysisLog log)
{
log.Action = "acc";
log.GoTo = "";
}
private int S(string sentence, AnalysisLog log, int point, TableItem action)
{
log.Action = "S" + action.Detail;
log.GoTo = "";
CharStack.Push(sentence[point++]);
StatusStack.Push(action.Detail);
return point;
}
private void GoNext(string sentence, ref AnalysisLog log, ref int point, ref int index)
{
TableItem action;
char input = sentence[point];
log = new AnalysisLog(++index,sentence.Substring(point), StackContent(StatusStack), StackContent(CharStack), string.Empty,string.Empty);
action = Table.GetAction(new TableIndex(StatusStack.Peek(),input));
if (action.ActionType == 'A')
{
A(log);
}
else if (action.ActionType == 'S')
{
point = S(sentence, log, point, action);
}
else if (action.ActionType == 'R')
{
R(log, action);
}
}
private void R(AnalysisLog log, TableItem action)
{
log.Action = "R" + action.Detail;
Production production = CFG._ProductionsMap[action.Detail];
char emptyChar = System.Configuration.ConfigurationManager.AppSettings["Empty"][0];
int num = production.Right == emptyChar.ToString() ? 0 : production.Right.Length;
for (int i = 0; i < num; i++)
{
CharStack.Pop();
StatusStack.Pop();
}
CharStack.Push(production.Left);
action = Table.GetAction(new TableIndex(StatusStack.Peek(), production.Left));
StatusStack.Push(action.Detail);
log.GoTo = action.Detail.ToString();
}
private void A(AnalysisLog log)
{
log.Action = "acc";
log.GoTo = "";
}