private static (string Key, MethodInfo Method, object Instance, object[] Arguments) ParseExpression([NotNull] LambdaExpression expression)
{
if (expression.Body is not MethodCallExpression methodCall)
{
throw new ArgumentNotMethodExpressionException(nameof(expression));
}
MethodInfo method = methodCall.Method;
object instance = methodCall.Object != null?GetValue(methodCall.Object) : null;
object[] arguments = new object[methodCall.Arguments.Count];
KeyBuilder keyBuilder = new KeyBuilder();
keyBuilder.By(method.DeclaringType).By(method.MetadataToken).By(method.GetGenericArguments()).By(instance);
for (int i = 0; i < methodCall.Arguments.Count; ++i)
{
keyBuilder.By(arguments[i] = GetValue(methodCall.Arguments[i]));
}
string cacheKey = keyBuilder.ToString();
return(cacheKey, method, instance, arguments);
}