public static ExpressionChain Build(Expression expression)
{
var exprChain = new ExpressionChain();
Build(exprChain, expression);
if (exprChain.Count > 1)
{
exprChain.Reverse();
}
if (exprChain.Count == 0)
{
exprChain.Add(expression);
}
return(exprChain);
}
private static void Build(ExpressionChain chain, Expression expression)
{
if (expression.NodeType != ExpressionType.Call)
{
return;
}
var callExpr = expression as MethodCallExpression;
if (callExpr.Object != null || callExpr.Method.DeclaringType != typeof(Queryable))
{
return;
}
chain.Add(callExpr);
Build(chain, callExpr.Arguments[0]);
}