protected override ICode VisitBinary(ExprBinary e)
{
switch (e.Op)
{
case BinaryOp.And:
case BinaryOp.Or:
var leftPerms = VisitorCreatePerms.V(e.Left);
var rightPerms = VisitorCreatePerms.V(e.Right);
foreach (var l in leftPerms)
{
foreach (var r in rightPerms)
{
foreach (var t in new[] { Tuple.Create(l, r), Tuple.Create(r, l) })
{
Expr perm;
if (t.Item1 == e.Left && t.Item2 == e.Right)
{
perm = e;
}
else
{
perm = new ExprBinary(e.Ctx, e.Op, e.Type, t.Item1, t.Item2);
}
this.allPerms.Add((Expr)VisitorReplace.V(this.root, e, perm));
}
}
}
break;
}
return(e);
}
public static IEnumerable <Expr> V(Expr e)
{
var v = new VisitorCreatePerms(e);
v.Visit(e);
return(v.AllPerms);
}
public static IEnumerable<Expr> V(Expr e) {
var v = new VisitorCreatePerms(e);
v.Visit(e);
return v.AllPerms;
}