public override bool Resolve (BlockContext ec)
{
expr = expr.Resolve (ec);
if (expr == null)
return false;
Report.Debug (64, "RESOLVE YIELD #1", this, ec, expr, expr.GetType (),
ec.CurrentAnonymousMethod, ec.CurrentIterator);
if (!CheckContext (ec, loc))
return false;
iterator = ec.CurrentIterator;
if (expr.Type != iterator.OriginalIteratorType) {
expr = Convert.ImplicitConversionRequired (
ec, expr, iterator.OriginalIteratorType, loc);
if (expr == null)
return false;
}
if (!ec.CurrentBranching.CurrentUsageVector.IsUnreachable)
unwind_protect = ec.CurrentBranching.AddResumePoint (this, loc, out resume_pc);
return true;
}
