private bool IsEmptyFinalizer(SyntaxNode node, SemanticModel model)
{
// NOTE: FxCop only checks if there is any method call within a given destructor to decide an empty finalizer.
// Here in order to minimize false negatives, we conservatively treat it as non-empty finalizer if its body contains any statements.
// But, still conditional methods like Debug.Fail() will be considered as being empty as FxCop currently does.
return node.DescendantNodes().OfType<StatementSyntax>()
.Where(n => !n.IsKind(SyntaxKind.Block) && !n.IsKind(SyntaxKind.EmptyStatement))
.Select(exp => exp as ExpressionStatementSyntax)
.All(method => method != null && HasConditionalAttribute(method.Expression, model));
}
