private void MainWindow_StackChanged(Stack <Token> stack, PrecedenceRelation relation,
ArraySegment <Token> segment, List <Token> prn)
{
ViewModel.PrecedenceParsingSteps.Add(new PrecedenceParsingStep
{
StackContent = stack.Aggregate(string.Empty, (agr, cur) => string.Join(" ", cur.Substring, agr)).Trim(),
InputTokens = segment.Aggregate(string.Empty, (agr, cur) => string.Join(" ", agr, cur.Substring)).Trim(),
Prn = prn.Aggregate(string.Empty, (agr, cur) => string.Join(" ", agr, cur.Substring)).Trim(),
Relation = relation.ToString()
});
}
private void SetRelation(Dictionary <Token, Dictionary <Token, PrecedenceRelation?> > relationMatrix,
Token leftToken,
Token rightToken,
PrecedenceRelation precedenceRelation)
{
if (!relationMatrix.ContainsKey(leftToken))
{
relationMatrix[leftToken] = new Dictionary <Token, PrecedenceRelation?>();
}
if (relationMatrix[leftToken].ContainsKey(rightToken) &&
precedenceRelation != relationMatrix[leftToken][rightToken])
{
_logger.Error("Conflict: {0} {1} (was {2}, attempted {3})", leftToken, rightToken,
relationMatrix[leftToken][rightToken], precedenceRelation);
throw new InvalidOperationException("There is an another relation in this cell already");
}
relationMatrix[leftToken][rightToken] = precedenceRelation;
}
protected virtual void OnStackChanged(Stack <Token> stack, PrecedenceRelation relation,
ArraySegment <Token> inputTokens, List <Token> prn)
{
StackChanged?.Invoke(stack, relation, inputTokens, prn);
}