private void SolicitacaoSQL()
{
RPN rpn = new RPN();
string commandText = txtSql.Text;
char[] infix_ = commandText.ToCharArray();
char[] infix_u_ = commandText.ToUpper().ToCharArray();
int iteracoes = Convert.ToInt32(txtIteracoes.Text);
int tick = Environment.TickCount;
object result = null;
unsafe
{
fixed(char *infix = infix_)
fixed(char *infix_u = infix_u_)
{
Queue <char[]> strings;
char[] pos_fixa = null;
RPN.variavel[] variaveis = null;
for (int i = 0; i < iteracoes; i++)
{
pos_fixa = rpn.InfixaParaPosfixa(infix_, infix_u_, out strings);
result = rpn.Avaliar(pos_fixa, strings, variaveis, out variaveis);
}
txtPosFixa.Text = new string(pos_fixa);
}
}
int tempoGasto = Environment.TickCount - tick;
this.Text = tempoGasto.ToString() + "ms";
txtResultado.Text = Convert.ToString(result);
}