private static int AnalyzeWhileSyntax(WhileStatementSyntax whileSyntax, int nesting)
{
int score = 1;
var condition = whileSyntax.Condition.DescendantNodesAndSelf(exp => exp.GetType() == typeof(BinaryExpressionSyntax)).Where(exp => exp.GetType() != typeof(IdentifierNameSyntax)).Where(exp => exp.GetType() != typeof(LiteralExpressionSyntax)).Select(node => node.Kind().ToString()).GroupBy(name => name);
score += condition.Count();
var nested = whileSyntax.DescendantNodes().OfType <StatementSyntax>();
score += AnalyzeStatements(new SyntaxList <StatementSyntax>(nested), nesting + 1);
return(score);
}