private static bool DeepEquals(Expression first, Expression second, EqualityExpressionVisitor visitor)
{
Contract.Requires((first == null && second == null) || (first != null && second != null));
Contract.Requires(visitor != null);
if (first == null)
{
return(true);
}
visitor.SetOtherRoot(second);
visitor.Visit(first);
Contract.Assume(visitor.StackCount == 1);
return(visitor.AreEqual);
}
public static bool Equals(Expression first, Expression second, EqualityExpressionVisitor visitor)
{
Contract.Requires(visitor != null);
return(visitor.ShallowEquals(first, second) && DeepEquals(first, second, visitor));
}
