public bool VisitLabelOp(VCExprNAry node, TextWriter wr)
{
//Contract.Requires(wr != null);
//Contract.Requires(node != null);
VCExprLabelOp /*!*/ op = (VCExprLabelOp)node.Op;
Contract.Assert(op != null);
return(PrintNAry("Label " + op.label, node, wr));
}
public Term VisitLabelOp(VCExprNAry node, LineariserOptions options)
{
Contract.Requires(options != null);
Contract.Requires(node != null);
VCExprLabelOp op = (VCExprLabelOp)node.Op;
Contract.Assert(op != null);
return(ExprLineariser.cm.MakeLabel(op.label, op.pos, ExprLineariser.Linearise(node[0], options)));
}
public bool VisitLabelOp(VCExprNAry node, LineariserOptions options)
{
//Contract.Requires(options != null);
//Contract.Requires(node != null);
VCExprLabelOp op = (VCExprLabelOp)node.Op;
Contract.Assert(op != null);
wr.Write(String.Format("({0} |{1}| ", op.pos ? "LBLPOS" : "LBLNEG", op.label));
ExprLineariser.Linearise(node[0], options);
wr.Write(")");
return(true);
}
protected override bool StandardResult(VCExpr node, bool arg)
{
//Contract.Requires(node!=null);
VCExprNAry nary = node as VCExprNAry;
if (nary != null)
{
VCExprLabelOp lab = nary.Op as VCExprLabelOp;
if (lab != null)
{
Labels.Add(lab.label);
}
}
return(true);
}