private void CalculateButton_Click(object sender, RoutedEventArgs e)
{
resultTextBox.IsReadOnly = false;
errorsTextBox.IsReadOnly = false;
try
{
if (!string.IsNullOrEmpty(expressionTextBox.Text))
{
LexicalAnalyse.Analyser lexicalAnalyser = new LexicalAnalyse.Analyser();
if (variablesListView.Items.Count > 1)
{
for (int i = 0; i < variablesListView.Items.Count - 1; i++)
{
var ci = new DataGridCellInfo(variablesListView.Items[i], variablesListView.Columns[0]);
var varName = ((Variable)ci.Item).Name;
ci = new DataGridCellInfo(variablesListView.Items[i], variablesListView.Columns[1]);
var varValue = ((Variable)ci.Item).Value.ToString();
IdnTable.Add(varName, Double.Parse(varValue));
}
}
if (lexicalAnalyser.Parse(new string[] { "$ " + expressionTextBox.Text.Trim() + " $" }))
{
RelationshipsTable.InitTable();
OperatorPrecedenceMethod.Analyser syntaxAnalyser = new OperatorPrecedenceMethod.Analyser();
syntaxAnalyser.Parse();
resultTextBox.Text = syntaxAnalyser.GetPolisResult().ToString();
errorsTextBox.Text = syntaxAnalyser.Error;
}
else
{
errorsTextBox.Text = "Lexical error!";
}
resultTextBox.IsReadOnly = true;
errorsTextBox.IsReadOnly = true;
}
else
{
errorsTextBox.Text = "Error! Expression can't be null or empty. Please fill expression form.";
errorsTextBox.IsReadOnly = true;
MessageBox.Show("Error!");
}
}
catch (Exception ex)
{
MessageBox.Show($"ERROR! {ex.Message}");
}
}
private void StartButton_Click(object sender, RoutedEventArgs e)
{
LexicalAnalyse.Analyser lexicalAnalyser = new LexicalAnalyse.Analyser();
lexicalAnalyser.Parse(GetTextFromRichTextbox());
try
{
if (AnalyzeType.Equals("pushdownAutomation"))
{
PushdownAutomatonMethod.Analyser analyser = new PushdownAutomatonMethod.Analyser();
analyser.Parse();
}
else if (AnalyzeType.Equals("recursiveDescent"))
{
RecursiveDescentMethod.Analyser analyser = new RecursiveDescentMethod.Analyser();
if (analyser.Parse())
{
listViewErrors.ItemsSource = null;
IPolishGenerator generator = new DeijkstraGenerator();
generator.Start();
ConsoleWindow consoleWindow = new ConsoleWindow();
consoleWindow.Show();
Executor polishExecutor = new Executor(generator, consoleWindow);
polishExecutor.Execute();
}
else
{
listViewErrors.ItemsSource = analyser.GetErrors();
}
}
else if (AnalyzeType.Equals("operatorPrecedence"))
{
OperatorPrecedenceMethod.Analyser analyser = new OperatorPrecedenceMethod.Analyser();
analyser.Parse();
MessageBox.Show("Build successfully.");
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
