public static Maybe <object> SimpleEval(Expression lambdaContainer)
{
return(MaybeExtension.OrElse <object>(
MaybeExtension.SelectMany(
MaybeExtension.SelectMany(
MaybeExtension.SelectMany(
MaybeExtension.MaybeAs <MethodCallExpression>((object)lambdaContainer, true), (Func <MethodCallExpression, Maybe <ConstantExpression> >)
(methodCallExpression => MaybeExtension.MaybeAs <ConstantExpression>((object)methodCallExpression.Object, false)),
(methodCallExpression, @object) =>
{
var local_0 = new
{
methodCallExpression = methodCallExpression,
@object = @object
};
return local_0;
}), param0 => Evaluator.GetParameters(param0.methodCallExpression),
(param0, parameters) =>
{
var local_0 = new
{
par = param0,
parameters = parameters
};
return local_0;
}), param0 => MaybeExtension.ToMaybe <object>(param0.par.methodCallExpression.Method.Invoke(param0.par.@object == null ? (object)null : [email protected], Enumerable.ToArray <object>(param0.parameters))), (param0, lambdaExpression) => lambdaExpression), (Func <Maybe <object> >)(() => Evaluator.Evaluate(lambdaContainer))));
}
public static Maybe <object> Evaluate(Expression argument)
{
return(MaybeExtension.OrElse <object>(MaybeExtension.Bind <ConstantExpression, object>(MaybeExtension.MaybeAs <ConstantExpression>((object)argument, true), (Func <ConstantExpression, object>)(x => x.Value)), (Func <Maybe <object> >)(() => MaybeExtension.SelectMany(MaybeExtension.SelectMany(MaybeExtension.MaybeAs <MemberExpression>((object)argument, true), (Func <MemberExpression, Maybe <ConstantExpression> >)(memberExpression => MaybeExtension.MaybeAs <ConstantExpression>((object)memberExpression.Expression, false)), (memberExpression, @object) =>
{
var local_0 = new
{
memberExpression = memberExpression,
@object = @object
};
return local_0;
}), param0 => MaybeExtension.OrElse <object>(MaybeExtension.Bind <PropertyInfo, object>(MaybeExtension.MaybeAs <PropertyInfo>((object)param0.memberExpression.Member, true), (Func <PropertyInfo, object>)(x => x.GetValue([email protected], (object[])null))), (Func <Maybe <object> >)(() => MaybeExtension.Bind <FieldInfo, object>(MaybeExtension.MaybeAs <FieldInfo>((object)param0.memberExpression.Member, true), (Func <FieldInfo, object>)(x => x.GetValue([email protected]))))), (param0, computedValue) => computedValue))));
}