Cannot get PVS Studio to work (Missing preprocessed file)

• PlatformIO Core. If you’ve found a bug, please provide an information below.

Configuration

Operating system: Windows 10

PlatformIO Version (platformio --version): PlatformIO, version 4.3.2a1

Description of problem

I try to use the (great) new feature of using PVS Studio to check my code.

Relevant part of my platformio.ini file:

[debug_pio]
build_type                = debug
;check_tool                = clangtidy
check_tool = pvs-studio
check_flags =
  pvs-studio: --analysis-mode=4 --errors-off=V532,V586 --lic-file=../pvs_studio.lic
build_flags               = ${compiler_warnings.build_flags}

The envs needing this include this via this PlatformIO extends option:

extends                   = debug_pio

Actual Results

PS C:\GitHub\TD-er\ESPEasy> pio check --environment spec_debug_beta_custom_ESP8266_4M1M
Checking spec_debug_beta_custom_ESP8266_4M1M > pvs-studio (platform: https://github.com/platformio/platform-espressif8266.git; board: esp12e; framework: arduino)
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

Error: Missing preprocessed file 'C:\Users\gijs\AppData\Local\Temp\piocheck20x7f88s\1luqj9ex.i'
Error: Missing preprocessed file 'C:\Users\gijs\AppData\Local\Temp\piocheck20x7f88s\1luqj9ex.i'
Error: Missing preprocessed file 'C:\Users\gijs\AppData\Local\Temp\piocheck20x7f88s\1luqj9ex.i'
Error: pvs-studio failed to perform check! Please examine tool output in verbose mode.

When I look at this directory while the check is still active, I do see the mentioned file is created (roughly 1.7 MB in my project) It is created a few times. But PVS studio is apparently not able to see the file. Maybe an issue with \ vs / ???

Expected Results

Successful check by PVS studio.

If problems with PlatformIO Build System:

The content of platformio.ini:

[debug_pio]
build_type                = debug
;check_tool                = clangtidy
check_tool = pvs-studio
check_flags =
  pvs-studio: --analysis-mode=4 --errors-off=V532,V586 --lic-file=../pvs_studio.lic
build_flags               = ${compiler_warnings.build_flags}

I do have an active license file and the error is different when I rename the license file, so it appears to be loaded by PVS-studio.

[valeros]

It looks like that the toolchain (at least xtensa) fails to determine what language is used in .ino files. I’ll check how we can resolve this.

[valeros]

Thank for the clarification!