// <summary>
// Get the "cloned" var for a given Var.
// If no cloned var exists, return the input Var itself
// </summary>
// <param name="v"> The Var for which the cloned Var should be retrieved </param>
// <returns> The cloned Var that corresponds to the specified Var if this OpCopier is cloning across two different Commands; otherwise it is safe to return the specified Var itself </returns>
private Var GetMappedVar(Var v)
{
Var mappedVar;
//
// Return a mapping if there is one
//
if (m_varMap.TryGetValue(v, out mappedVar))
{
return(mappedVar);
}
//
// No mapping found.
// If we're cloning to a different command, this is an error
//
if (m_destCmd != m_srcCmd)
{
throw EntityUtil.InternalError(EntityUtil.InternalErrorCode.UnknownVar, 6, null);
}
//
// otherwise return the current Var itself
//
return(v);
}
internal VarMap GetReverseMap()
{
VarMap varMap = new VarMap();
foreach (KeyValuePair <Var, Var> keyValuePair in (Dictionary <Var, Var>) this)
{
Var var;
if (!varMap.TryGetValue(keyValuePair.Value, out var))
{
varMap[keyValuePair.Value] = keyValuePair.Key;
}
}
return(varMap);
}
internal VarMap GetReverseMap()
{
var reverseMap = new VarMap();
foreach (var kv in this)
{
Var x;
// On the odd chance that a var is in the varMap more than once, the first one
// is going to be the one we want to use, because it might be the discriminator
// var;
if (!reverseMap.TryGetValue(kv.Value, out x))
{
reverseMap[kv.Value] = kv.Key;
}
}
return(reverseMap);
}
