Question by Argembarger · Sep 14, 2014 at 03:46 AM · plugin monodevelop prime31 cs0103

MonoDevelop #if causes issue with code completion context

So I'm using the Prime31 Game Center plugin for an iOS project. And every once in a while, one of the scripts in the plugin will just go haywire, and anything referencing it will get a CS0103 "name does not exist in current context" error from that moment until I eventually deal with it.

This error only appears in MonoDevelop, and Unity is perfectly happy to build/run/whatever.

I've got all of the proper 'using' statements and nothing is improperly inheriting MonoBehaviour, or anything like that. It's not a "real" issue, it's just annoying.

What I notice is, if I go to one of the scripts which has suddenly gone missing in the solution (like GameCenterTurnBasedBinding, in this case), everything beyond the preprocessor #if UNITY_IPHONE statement is greyed out, as if it has been commented out. If I comment out the #if and the #endif, everything comes back and I'm able to use code completion as usual.

But removing platform-specific compilation directives seems like a sub-par solution.

I've tried restarting my computer to see if restarting Unity solves the issue, but it doesn't. I've heard others suggest deleting the solution files, but I just am curious why this is happening in the first place. It looks like Assembly-CSharp-firstpass is the location of the Game Center plugin, so is that the one I should try to delete?

It's just confusing, because MonoDevelop is perfectly happy and content, until it randomly decides to take issue with #ifs for no discernible reason and in a way which seems to have no consequences whatsoever except to make the act of coding somewhat more annoying.

I've had this happen on both Mac OS X and Windows 7, and I'm using Unity Pro.

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Kiwasi · Sep 14, 2014 at 06:18 AM 0

Are you doing your own platform dependent configuration? Just wondering if you have an unclosed #if around somewhere...

Argembarger · Sep 15, 2014 at 03:03 PM 0

Nah, it's all in the prime31 plugin, which appears to have all of its pertinent #ifs #endif'd properly.

Although, I will say, I have done my own platform-dependent stuff in the past, and the same issue tends to crop up after a while in those scripts as well.

jokim · Sep 15, 2014 at 03:49 PM 0

I've had the same problem, there is no real solution... It's the way Mono develop actually deals with #if conditions, It just won't "compile" anything that isn't on your current platform. And Yes it's annoying.

For clarity sake, here's an example :

Build settings set to iOS platform.

 #if UNITY_ANDROID
 public class AndroidClass
 {
     public AndroidClass()
     {
     }
 }
 #endif

Now, anywhere else in the code, let's say The update function on a script attached to the camera :

 void Update()
 {
     if (!created)
     {
 #if UNITY_ANDROID
         //Here, The class won't show up on auto-completion. It gets complicated to code stuff on that platform unless you're actually on it.
         AndroidClass myClass = new AndroidClass();
 #endif
         created = true;
     }
 }

If i was to have functions in AndroidClass, doing myClass. (myClass, followed with a dot) won't bring those functions up.

jokim · Sep 15, 2014 at 03:55 PM 0

I actually forgot where i was going while typing this out, And after re-reading your post, I might have misunderstood your problem.

I had a question for you, Did you switch platform at some point ?

Argembarger · Sep 15, 2014 at 11:29 PM 0

Nah, I haven't switched platforms for weeks now.

I would agree that this must be intended MonoDevelop behavior, except that it was perfectly happy to autocomplete functions and classes surrounded by platform-dependent directives, until it randomly decided that it wasn't anymore.

I guess it's not fair to call it "random", but if it was my fault, I have no idea what I did. I didn't even have the files open when they started having this problem.

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MonoDevelop #if causes issue with code completion context

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