private void RunHandler(object sender, EventArgs e)
{
if (p == null)
p = new Parser(textArea.Text);
terminated = false;
while (p.IsRunning() && !terminated) {
p.Interpret();
UpdatePositions();
p.Advance();
}
UpdateStreams();
if (p.IsUpdateNeeded()) {
UpdateSource();
}
p = null;
}
private void StepHandler(object sender, EventArgs e)
{
if (originalText == null)
originalText = textArea.Text;
if (p == null) {
p = new Parser(textArea.Text);
}
if (p.IsRunning()) {
p.Interpret();
UpdatePositions();
p.Advance();
}
UpdateStreams();
if (p.IsUpdateNeeded()) {
UpdateSource();
}
if (!p.IsRunning() || terminated) {
p = null;
timer.Enabled = false;
}
}
private void ResetHandler(object sender, EventArgs e)
{
p = null;
if (editedText != null && editedText != originalText)
textArea.Text = (originalText ?? textArea.Text).TrimEnd();
originalText = null;
UpdateStreams();
}