Commits on Sep 18, 2024

1. Harden skip in Scanner …

   I sometimes see a rogue java process at 100% even after I closed down sbt and vscode.
   With jstack I got the following stack trace:
   
       java.lang.Thread.State: RUNNABLE
   
   	at dotty.tools.dotc.parsing.Scanners$Scanner.handleNewLine(Scanners.scala:613)
   
   	at dotty.tools.dotc.parsing.Scanners$Scanner.nextToken(Scanners.scala:396)
   
   	at dotty.tools.dotc.parsing.Scanners$Scanner.skip(Scanners.scala:312)
   
   	at dotty.tools.dotc.parsing.Parsers$Parser.skip(Parsers.scala:280)
   
   	at dotty.tools.dotc.parsing.Parsers$Parser.recur$2(Parsers.scala:376)
   
   	at dotty.tools.dotc.parsing.Parsers$Parser.statSepOrEnd(Parsers.scala:380)
   
   It could be that the loop in skip gives two alternate offsets that would not bump the progress counter.
   I changed the loop so that it catches more looping conditions.

   

   odersky committed Sep 18, 2024
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