scala 2.11 M4: JLine crashing on !

[Shua T.]

Should this be filed on the Scala issue tracker? Or should it be sent to JLine? Or is it already known/fixed?

Welcome to Scala version 2.11.0-M4 (Java HotSpot(TM) Client VM, Java 1.7.0_25).

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scala> "!"

java.lang.IllegalArgumentException: !": event not found

        at jline.console.ConsoleReader.expandEvents(ConsoleReader.java:734)

        at jline.console.ConsoleReader.finishBuffer(ConsoleReader.java:604)

        at jline.console.ConsoleReader.accept(ConsoleReader.java:1912)

        at jline.console.ConsoleReader.readLine(ConsoleReader.java:2537)

        at jline.console.ConsoleReader.readLine(ConsoleReader.java:2162)

        at scala.tools.nsc.interpreter.JLineReader.readOneLine(JLineReader.scala

:66)

        at scala.tools.nsc.interpreter.InteractiveReader$class.readLine(Interact

iveReader.scala:35)

        at scala.tools.nsc.interpreter.JLineReader.readLine(JLineReader.scala:17

)

        at scala.tools.nsc.interpreter.ILoop.readOneLine(ILoop.scala:436)

        at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:444)

        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILo

op.scala:829)

        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scal

a:815)

        at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scal

a:815)

        at scala.reflect.internal.util.ScalaClassLoader$

.savingContextLoader(Sca

laClassLoader.scala:95)

        at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:815)

        at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala

:81)

        at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:94)

        at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103)

        at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala)

That entry seems to have slain the compiler.  Shall I replay

your session? I can re-run each line except the last one.

[y/n]

[Som Snytt]

Fixed for M5, forthcoming.

https://github.com/scala/scala/pull/2740

I don't know if the fix is the last word for the feature, but it doesn't crash.

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