public static IEnumerable<iterassgn> AllUpdates(itercase ic, Symtab stab=null)
{
foreach (iterassgn ia in assign_filter.Apply(ic))
{
yield return ia;
}
}
public static IEnumerable<iterassgn> CharUpdates(itercase ic, Symtab stab)
{
foreach (iterassgn ia in assign_filter.Apply(ic))
{
if (stab.Get(ia.lhs).type == BekTypes.CHAR)
yield return ia;
}
}
public static IEnumerable<expr> YieldSeq(itercase ic)
{
foreach (yieldstmt ys in yield_filter.Apply(ic))
{
foreach (expr ce in ys.args)
{
// This downcast should never fail, since
// preprocessing steps eliminate all non-charexpr
// yields...
yield return (expr)ce;
}
}
}