private StatementNode FindContinueDest()
{
for (CommonTree t = this; t != null; t = t.Parent as CommonTree)
{
if (t is TopStatementList)
{
return(null);
}
StatementNode dest = t as StatementNode;
if ((dest != null) && (((this.lbl == null) && dest.AllowContinue) || dest.HasLabel(this.lbl)))
{
return(dest);
}
}
return(null);
}
internal void AddLabel(string p)
{
for (ITree t = this; t != null; t = t.Parent)
{
StatementNode l = t as StatementNode;
if ((l != null) && l.HasLabel(p))
{
throw new JSRuntimeException("SyntaxError", "duplicate label");
}
}
if (this.Labels == null)
{
this.Labels = new HashSet <string>();
}
this.Labels.Add(p);
}
