/// <summary>
/// Defines a new label.
///
/// This label can be used for branching, leave, and switch instructions.
///
/// A label must be marked exactly once after being defined, using the MarkLabel() method.
/// </summary>
public Label DefineLabel(string name = null)
{
name = name ?? AutoNamer.Next(this, "_label", Locals.Names, Labels.Names);
if (CurrentLabels.ContainsKey(name))
{
throw new InvalidOperationException("Label with name '" + name + "' already exists");
}
var label = IL.DefineLabel();
var ret = new Label(this, label, name);
UnusedLabels.Add(ret);
UnmarkedLabels.Add(ret);
CurrentLabels[name] = ret;
return(ret);
}
private void CacheCurrentLabels()
{
if (m_currentLabelsCache != null)
return;
m_currentLabelsCache = new CurrentLabels();
Dictionary<int, int> labels = m_lwf.GetMovieLabels(this);
if (labels == null)
return;
foreach (KeyValuePair<int, int> kvp in labels) {
LabelData labelData = new LabelData{
frame = kvp.Value + 1,
name = m_lwf.data.strings[kvp.Key],
};
m_currentLabelsCache.Add(labelData);
}
m_currentLabelsCache.Sort((a, b) => {
return a.frame - b.frame;
});
}
