protected override Expression VisitMethodCall(MethodCallExpression m)
{
if (m.Method.DeclaringType == typeof(SourcedElementExtensions) &&
m.Method.Name == "Current" &&
_comparer.Equals(m.Arguments[0], _enumerator))
{
return(_parameter);
}
return(base.VisitMethodCall(m));
}
//public methods
public Expression <TDelegate> Rewrite <TDelegate>(Expression <TDelegate> exp)
{
var current = _rewriter.Rewrite(exp.Body);
Expression previous = null;
while (!_comparer.Equals(current, previous))
{
previous = current;
current = _aligner.Align(current);
current = _rewriter.Rewrite(current);
}
return(Expression.Lambda <TDelegate>(current, exp.Parameters));
}
