/// <summary>
/// The only special case among all scalar and ancillaryOps. Simply adds
/// its var to the list of unreferenced Ops
/// </summary>
/// <param name="op"> The VarRefOp </param>
/// <param name="n"> Current node </param>
public override NodeInfo Visit(VarRefOp op, Node n)
{
var nodeInfo = InitNodeInfo(n);
nodeInfo.ExternalReferences.Set(op.Var);
return(nodeInfo);
}
internal override bool IsEquivalent(Op other)
{
VarRefOp varRefOp = other as VarRefOp;
if (varRefOp != null)
{
return(varRefOp.Var.Equals((object)this.Var));
}
return(false);
}
public override Node Visit(VarRefOp op, Node n)
{
Var var;
if (!this.m_varMap.TryGetValue(op.Var, out var))
{
var = op.Var;
}
return(this.m_destCmd.CreateNode((Op)this.m_destCmd.CreateVarRefOp(var)));
}
// <summary>
// Copies a VarRefOp
// </summary>
// <param name="op"> The Op to Copy </param>
// <param name="n"> The Node that references the Op </param>
// <returns> A copy of the original Node that references a copy of the original Op </returns>
public override Node Visit(VarRefOp op, Node n)
{
// Look up the newVar.
// If no var is available in the map, that implies that the Var is defined
// outside this subtree (and it is therefore safe to use it).
Var newVar;
if (!m_varMap.TryGetValue(op.Var, out newVar))
{
newVar = op.Var;
}
// no children for a VarRef
return(m_destCmd.CreateNode(m_destCmd.CreateVarRefOp(newVar)));
}
public override void Visit(VarRefOp op, Node n)
{
using (new AutoString(this, op))
{
VisitChildren(n);
if (null != op.Type)
{
WriteString("Type=");
WriteString(op.Type.ToString());
WriteString(", ");
}
WriteString("Var=");
WriteString(op.Var.Id.ToString(CultureInfo.InvariantCulture));
}
}
public override void Visit(VarRefOp op, Node n)
{
using (new Dump.AutoString(this, (Op)op))
{
this.VisitChildren(n);
if (op.Type != null)
{
this.WriteString("Type=");
this.WriteString(op.Type.ToString());
this.WriteString(", ");
}
this.WriteString("Var=");
this.WriteString(op.Var.Id.ToString((IFormatProvider)CultureInfo.InvariantCulture));
}
}
internal static Dictionary <Var, Var> ComputeVarRemappings(Node varDefListNode)
{
Dictionary <Var, Var> dictionary = new Dictionary <Var, Var>();
foreach (Node child in varDefListNode.Children)
{
VarRefOp op1 = child.Child0.Op as VarRefOp;
if (op1 != null)
{
VarDefOp op2 = child.Op as VarDefOp;
dictionary[op1.Var] = op2.Var;
}
}
return(dictionary);
}
public virtual void Visit(VarRefOp op, Node n)
{
this.VisitScalarOpDefault((ScalarOp)op, n);
}
/// <summary>
/// Visitor pattern method for VarRefOp
/// </summary>
/// <param name="op"> The VarRefOp being visited </param>
/// <param name="n"> The Node that references the Op </param>
public virtual void Visit(VarRefOp op, Node n)
{
VisitScalarOpDefault(op, n);
}
// <summary>
// VarRefOp
// </summary>
public virtual TResultType Visit(VarRefOp op, Node n)
{
return(VisitScalarOpDefault(op, n));
}