pressing Ctrl-T for autoformatting creates 80% processor-load through clang takes more than a minute

[StefanL38]

Describe the problem

I tested Arduino IDE 0.2 - oh sorry IDE 2.0 - today.

I loaded the blink example saved with a different filename and added a variable and an if-condition
I intentionally misplaced the added code to be clumsy indented for testing the auto-format function

I hit Ctrl-T - nothing happened
maybe after 20 seconds the status said "indexing" for more than a minute
then the status said "building sketch" for more than a minute
clang.exe took 80% processor-load

for me this is absolutely inacceptable

To reproduce

use my computer

Expected behavior

fast execution of autoformatting

Arduino IDE version

2.0 rc6

Operating system

Windows

Operating system version

Windows 10 update tonight by compulsion

Additional context

sorry guys guys this is not imperfection. This behaviour is almost perfect imperfection

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the latest nightly build
• My report contains all necessary details

[per1234]

Hi @StefanL38. Thanks for taking the time to submit an issue.

I hit Ctrl-T - nothing happened

I see we have a previous report about this at #337.

maybe after 20 seconds the status said "indexing" for more than a minute
then the status said "building sketch" for more than a minute
clang.exe took 80% processor-load

I see we have a previous report about this at #714.

It is best to have only a single issue per subject so we can consolidate all relevant discussion to one place, so I'll go ahead and close this in favor of the others.

If you end up with additional information to share, feel free to comment in the other thread.