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  VS Arduino › Visual Micro › Installation & Troubleshooting › C++14 and C++17 Intellisense
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Normal Topic C++14 and C++17 Intellisense (Read 3026 times)
AustinLindquist
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C++14 and C++17 Intellisense
Jan 15th, 2020 at 2:40am
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Noticed broken intellisense with these enabled. Is there a way to change __cplusplus define in *.vsarduino.h? Would this solve the issue? I've changed manually but it's reverted frequently even with "always re-add header" flag disabled.

Values for reference https://docs.microsoft.com/en-us/cpp/build/reference/zc-cplusplus?view=vs-2019
« Last Edit: Jan 15th, 2020 at 2:44am by AustinLindquist »  
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Tim@Visual Micro
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Re: C++14 and C++17 Intellisense
Reply #1 - Jan 15th, 2020 at 8:39pm
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We will have to add it as an option or work it out automatically. Out of interest what hardware are you using and what are you going to change it too?

Currently you have to edit a text file below the visual micro folder. The visual micro folder is shown in tools>options>visual micro>version>assembly.

This is an STM example, you need to change to the folder name that matches your hardware such as \esp32\ or \avr\ etc

In a sub folder: [VmFolder]\Micro Platforms\arduino16x\hardware\stm32\intellisense.code.h

« Last Edit: Jan 15th, 2020 at 8:40pm by Tim@Visual Micro »  
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AustinLindquist
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Re: C++14 and C++17 Intellisense
Reply #2 - Jan 21st, 2020 at 1:40pm
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I'm targeting ATSAMD21G18, updated my gcc toolchain and CMSIS libs to play nice. Newer C++ features have some cool compile time stuff I want to take advantage of. I was using C++14 but I've updated to C++17 (which would be 201703L flag).

Thanks!

EDIT: Added the following lines to the top of my file and it's now propagating:
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#undef __cplusplus
#define __cplusplus 201703L


It's now working as expected  Smiley
« Last Edit: Jan 21st, 2020 at 1:52pm by AustinLindquist »  
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Tim@Visual Micro
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Re: C++14 and C++17 Intellisense
Reply #3 - Jan 28th, 2020 at 1:21pm
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Can I ask how you updates your gcc and cmsis?
  
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