private static Name EncodeTupleParamName(TupleExpr param)
{
// we encode a tuple parameter so we can extract the compound
// members back out of it's name.
StringBuilder sb = new StringBuilder(tupleArgHeader);
AppendTupleParamNames(sb, param);
return(Name.Make(sb.ToString()));
}
private static void AppendTupleParamNames(StringBuilder sb, TupleExpr param)
{
for (int i = 0; i < param.items.Length; i++)
{
NameExpr ne = param.items[i] as NameExpr;
if (ne != null)
{
sb.Append('!');
sb.Append(ne.name.GetString());
}
else
{
// nested tuple
AppendTupleParamNames(sb, param.items[i] as TupleExpr);
}
}
}
public override bool Walk(TupleExpr node)
{
return(true);
}
public virtual void PostWalk(TupleExpr node)
{
}
// TupleExpr
public virtual bool Walk(TupleExpr node)
{
return(false);
}