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  VS Arduino › › › Intellisense Errors in Visual Studio (ESP32 toolchain)
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Very Hot Topic (More than 25 Replies) Intellisense Errors in Visual Studio (ESP32 toolchain) (Read 6248 times)
David Newberry
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Intellisense Errors in Visual Studio (ESP32 toolchain)
Feb 9th, 2020 at 7:20pm
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I am having a couple intellisense issues in Visual Studio while using vMicro:

1. Large number of intellisense errors for toolchain code (esp32 1.0.4).  By large I mean over 300.
2. ArduinoJson classes and functions not showing in intellisense when typing and showing error after entering.
3. Intellisense does not recognize a version of ESP_LOGI that includes a format macro.

The code compiles just fine.

I use 2 machines and these issues appear on one machine and not the other.  On the second machine I was able to see similar behavior as soon as I switched to Release from Debug but it resolved when I built the code.  The same isn't true on the first machine.

In investigating I've noticed that ArduinoJson doesn't get a folder created in the debug folder when I build.   I don't know if this is related but it don't understand why it's the only library I added that doesn't so I'm adding the detail.

Attached are the build properties and a list of the errors.
« Last Edit: Feb 9th, 2020 at 7:27pm by David Newberry »  
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David Newberry
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #1 - Feb 9th, 2020 at 7:41pm
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For comparision, here are the files from the 2nd machine that doesn't have the same issues.

  
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Tim@Visual Micro
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #2 - Feb 9th, 2020 at 8:27pm
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Thanks for the info. The visual micro build outputs include only the properties but not a build. Please ensure that both properties mentioned above which includes "verbose" are enabled then click build. Then submit the output for the build. This is epecially required on the machine that shows many intellisense errors.

If the build fails we still need to see the output.

Thanks.
  
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David Newberry
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #3 - Feb 9th, 2020 at 8:40pm
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I apologize.  I misunderstood what you needed.  Attached
  
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Tim@Visual Micro
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #4 - Feb 9th, 2020 at 9:02pm
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No probs, thanks it is useful to see it all.

Initially i see a main problem reported in the webservertask.ino which the intellisense says is missing a bracket ). However that might be the result of some other issue.

If you don't mind zipping and emailing your project from the pc with the most intellisense errors that would be useful thanks.
  
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David Newberry
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #5 - Feb 9th, 2020 at 9:17pm
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That's because of issue number 3 above.  As I said, this code compiles and uploads just fine.  For instance, I can use something like this:

ESP_LOGI( TAG, "Starting upload." );

And Intellisense recognizes it.  If I use another version that includes a format string like:

ESP_LOGI( TAG, "Starting upload. filename = %s\n", filename.c_str() );

Intellisense says I am missing a bracket.  This isn't true as this is a functional version of the logging function.  It's just a printf runtime macro.

I have emailed my project.
« Last Edit: Feb 9th, 2020 at 9:18pm by David Newberry »  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #6 - Feb 9th, 2020 at 9:37pm
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Thanks I will take a look in a while. Hopefully we are not hitting an issue where Visual Studio VC++ is unable to interpret gcc commands. The intellisense is unrelated to the build, we try to feed vs with a few gcc defines and the correct paths to core and libs then let it do whatever it wants for intellisense.

In future releases we hope to make use of new vs functionality that allows us to use CLang instead of VC++ for intellisense.

Anyway I will report back shortly.

It might be useful to see the .vcxproj from the version that doesn't have the intellisense issue.

  
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David Newberry
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #7 - Feb 9th, 2020 at 9:39pm
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If necessary, let me know and I'll send you that version but they are identical because they are both the same version downloaded from source control.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #8 - Feb 9th, 2020 at 9:45pm
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It's possible the difference is in the C++ project settings which is why I asked for the .vcxproj files from the working one. There are a few settings that can tweak how intellisense responds. It might also be useful to see the full build output from the other machine 



  
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David Newberry
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #9 - Feb 9th, 2020 at 9:46pm
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Here is the build output.  I couldn't find any difference other than directory locations.
« Last Edit: Feb 9th, 2020 at 9:50pm by David Newberry »  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #10 - Feb 10th, 2020 at 12:09am
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I should clarify so that we don't chase the wrong thing, this happens on this machine even with example code.  It's not just this project.  I completely reset windows on the machine last night and it didn't change anything.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #11 - Feb 10th, 2020 at 1:09am
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Let's ignore the machine that appears to work. There should be approx 15 errors showing when things are working properly. When things are working properly the errors won't show if you set the error list to "Open Documents" 

Please add a patch file called vs-intellisense-fix.h to the "__vm" folder below your project. Add the following to the file. 

Code
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#define ESP_LOGI(tag, ...)


You do not need to reference the file from your code, just click build after adding it. That should resolve the printf issues and represents a change for intellisense in the next release of visual micro.







  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #12 - Feb 10th, 2020 at 3:57am
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Thanks.  That got rid of the ESP_LOGI issue which has been annoying.  Now if we can just figure out the other 312 errors and why ArduinoJson classes and functions aren't being recognized.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #13 - Feb 10th, 2020 at 12:01pm
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That was for the "unaffected project" which i guess was okay, did you send the source for the one that has an issue?
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #14 - Feb 10th, 2020 at 3:30pm
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I did.  I just resent it.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #15 - Feb 10th, 2020 at 3:33pm
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I noticed something interesting yesterday.  If I open the files for ArduinoJson from the References section of the Solution Explorer that contain the classes and functions that aren't showing up, I can intermittently get the errors for them to go away.  If I close the files they come back.  It's also not consistent and very messy.  I even tried opening every file from references and that only created more errors.  It's like it's not reading the files correctly.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #16 - Feb 10th, 2020 at 4:08pm
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I am not getting any emails from that other machine.

The ArduinoJson has always pushed the limits of vs. It's a clever library. The Vs error window can behave as you have said I think that's why the added the options to filter out intellisense or limit it to open files (which helps). None of the options are perfect but we should be able to improve it somewhat.

  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #17 - Feb 10th, 2020 at 5:04pm
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I just sent it again to sales@visualmicro.com.

Regardless, it's the same code.  It's also not just ArduinoJson that is the issue.  There are 312 errors showing up and only a few are from ArduinoJson.  I can filter to open documents but that doesn't really solve the issue.

You likely won't see the same errors that I'm seeing since I don't see them on a different machine.  This is why I completely reinstalled windows and visual studio.  It's didn't solve the issue.  I also exported all visual studio settings from the working machine to the affected machine and that didn't solve it either.  For some reason, Intellisense is not scanning source files properly.  The issue is most clear with ArduinoJson but it is happening with other built in libraries as well.  As stated, I can open a file that is listing errors in visual studio and then those errors change or disappear.  If I close the file, they revert back.  I can't make sense of that behavior at all.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #18 - Feb 10th, 2020 at 5:49pm
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Not arrived please try sending to visualmicro@outlook.com to see if that works

Try closing the solution, deleting the ".vs" folder then re-opening.
  
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Re: Intellisense Errors in Visual Studio (ESP32 toolchain)
Reply #19 - Feb 10th, 2020 at 9:50pm
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Thanks for sending. I think I have replicated the issue. We will start showing library versions in the verbose output next release.

If you open the vMicro Platform Explorer and click the Library Manager tab then expand the ArduinoJson library I suspect your machine with a lot of errors is on a much more recent version of the library.  I had an older one installed with my initial tests.

We will see if we can see why the library causes so much chaos, it does make a lot if use of .tcc files which doesn't help vs.


With the latest ArduinoJson I found that even this basic sketch produced samed errors as you have seen:-

Code (C++)
Select All
#include <ArduinoJson.hpp>
#include <ArduinoJson.h>

void setup() {
   
}

void loop() {
   
}


I think the only way to work is to limit the Error List to "open documents" or "build only"

« Last Edit: Feb 10th, 2020 at 10:17pm by Tim@Visual Micro »  
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