/// <summary>
/// Visits the specified old value.
/// </summary>
/// <param name="oldValue">The old value.</param>
/// <returns></returns>
protected virtual IExpression DeepCopy(OldValue oldValue)
{
oldValue.Expression = Substitute(oldValue.Expression);
oldValue.Type = this.Substitute(oldValue.Type);
return oldValue;
}
/// <summary>
/// Visits the specified old value.
/// </summary>
/// <param name="oldValue">The old value.</param>
public override void Visit(IOldValue oldValue)
{
OldValue mutableOldValue = new OldValue(oldValue);
this.resultExpression = this.myCodeCopier.DeepCopy(mutableOldValue);
}
/// <summary>
/// Rewrites the children of the given old value expression.
/// </summary>
public virtual void RewriteChildren(OldValue oldValue)
{
this.RewriteChildren((Expression)oldValue);
oldValue.Expression = this.Rewrite(oldValue.Expression);
}
/// <summary>
/// Visits the specified old value.
/// </summary>
/// <param name="oldValue">The old value.</param>
/// <returns></returns>
public virtual IExpression Visit(OldValue oldValue)
{
oldValue.Expression = Visit(oldValue.Expression);
oldValue.Type = this.Visit(oldValue.Type);
return oldValue;
}
/// <summary>
/// Visits the specified old value.
/// </summary>
/// <param name="oldValue">The old value.</param>
public override void Visit(IOldValue oldValue)
{
OldValue mutableOldValue = oldValue as OldValue;
if (alwaysMakeACopy || mutableOldValue == null) mutableOldValue = new OldValue(oldValue);
this.resultExpression = this.myCodeMutator.Visit(mutableOldValue);
}