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[Bug][Scala 3.2] Autocomplete on Array.x produces Bad symbolic reference. #1305

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HamishPoole opened this issue Oct 19, 2022 · 2 comments
Open

[Bug][Scala 3.2] Autocomplete on Array.x produces Bad symbolic reference. #1305

HamishPoole opened this issue Oct 19, 2022 · 2 comments
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@HamishPoole
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HamishPoole commented Oct 19, 2022 •
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me@pop-os:~$ amm
Loading...
Welcome to the Ammonite Repl 2.5.5 (Scala 3.2.0 Java 11.0.16.1)
@ val a = Array.tabulate(5)(_ + 1)
a: Array[Int] = Array(1, 2, 3, 4, 5)

@ val b = Array.tabjava.lang.AssertionError: assertion failed: missing implicit parameter of type scala.reflect.ClassTag[A] after typer at phase parser
  scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:8)
  dotty.tools.dotc.typer.Implicits.inferImplicit(Implicits.scala:995)
  dotty.tools.dotc.typer.Implicits.inferImplicit$(Implicits.scala:797)
  dotty.tools.dotc.typer.Typer.inferImplicit(Typer.scala:117)
  dotty.tools.dotc.typer.Implicits.inferImplicitArg(Implicits.scala:863)
  dotty.tools.dotc.typer.Implicits.inferImplicitArg$(Implicits.scala:797)
  dotty.tools.dotc.typer.Typer.inferImplicitArg(Typer.scala:117)
  dotty.tools.dotc.typer.Typer.implicitArgs$1(Typer.scala:3490)
  dotty.tools.dotc.typer.Typer.addImplicitArgs$1(Typer.scala:3526)
  dotty.tools.dotc.typer.Typer.adaptNoArgsImplicitMethod$1(Typer.scala:3602)
  dotty.tools.dotc.typer.Typer.adaptNoArgs$1(Typer.scala:3800)
  dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4038)
  dotty.tools.dotc.typer.Typer.adapt(Typer.scala:3368)
  dotty.tools.dotc.typer.Typer.typed(Typer.scala:2987)
  dotty.tools.dotc.typer.Implicits.tryConversion$1(Implicits.scala:1089)
  dotty.tools.dotc.typer.Implicits.typedImplicit(Implicits.scala:1120)
  dotty.tools.dotc.typer.Implicits.typedImplicit$(Implicits.scala:797)
  dotty.tools.dotc.typer.Typer.typedImplicit(Typer.scala:117)
  dotty.tools.dotc.typer.Implicits$ImplicitSearch.tryImplicit(Implicits.scala:1190)
  dotty.tools.dotc.typer.Implicits$ImplicitSearch.$anonfun$9(Implicits.scala:1528)
  scala.collection.immutable.List.map(List.scala:246)
  dotty.tools.dotc.typer.Implicits$ImplicitSearch.allImplicits(Implicits.scala:1528)
  dotty.tools.dotc.interactive.Completion$Completer.implicitConversionTargets(Completion.scala:521)
  dotty.tools.dotc.interactive.Completion$Completer.implicitConversionMemberCompletions(Completion.scala:386)
  dotty.tools.dotc.interactive.Completion$Completer.selectionCompletions(Completion.scala:328)
  dotty.ammonite.compiler.AmmCompletion$.computeCompletions(AmmCompletion.scala:45)
  dotty.ammonite.compiler.AmmCompletion$.completions(AmmCompletion.scala:27)
  ammonite.compiler.Compiler.complete(Compiler.scala:385)
  ammonite.compiler.CompilerLifecycleManager.complete(CompilerLifecycleManager.scala:111)
  ammonite.repl.Repl.$anonfun$action$5(Repl.scala:192)
  ammonite.repl.Repl.$anonfun$action$5$adapted(Repl.scala:192)
  ammonite.repl.AmmoniteFrontEnd.$anonfun$readLine$3(AmmoniteFrontEnd.scala:53)
  ammonite.terminal.TTY$.withSttyOverride(Utils.scala:117)
  ammonite.repl.AmmoniteFrontEnd.$anonfun$readLine$1(AmmoniteFrontEnd.scala:53)
  ammonite.terminal.Filter$$anon$2$$anonfun$op$6.applyOrElse(Filter.scala:69)
  ammonite.terminal.Filter$$anon$2$$anonfun$op$6.applyOrElse(Filter.scala:69)
  scala.collection.IterableOnceOps.collectFirst(IterableOnce.scala:1116)
  scala.collection.IterableOnceOps.collectFirst$(IterableOnce.scala:1108)
  scala.collection.AbstractIterator.collectFirst(Iterator.scala:1300)
  ammonite.terminal.Filter$$anon$2.op(Filter.scala:69)
  ammonite.terminal.Filter$$anon$5.$anonfun$op$7(Filter.scala:93)
  scala.collection.Iterator$$anon$9.next(Iterator.scala:584)
  scala.collection.IterableOnceOps.find(IterableOnce.scala:633)
  scala.collection.IterableOnceOps.find$(IterableOnce.scala:630)
  scala.collection.AbstractIterator.find(Iterator.scala:1300)
  ammonite.terminal.Filter$$anon$5.op(Filter.scala:93)
  ammonite.terminal.LineReader.readChar(LineReader.scala:157)
  ammonite.terminal.Terminal$.$anonfun$readLine$2(Terminal.scala:41)
  ammonite.terminal.TTY$.withSttyOverride(Utils.scala:117)
  ammonite.terminal.Terminal$.readLine(Terminal.scala:41)
  ammonite.repl.AmmoniteFrontEnd.readLine(AmmoniteFrontEnd.scala:133)
  ammonite.repl.AmmoniteFrontEnd.action(AmmoniteFrontEnd.scala:28)
  ammonite.repl.Repl.$anonfun$action$4(Repl.scala:194)
  ammonite.repl.Scoped.$anonfun$flatMap$1(Signaller.scala:45)
  ammonite.repl.Signaller.apply(Signaller.scala:28)
  ammonite.repl.Scoped.flatMap(Signaller.scala:45)
  ammonite.repl.Scoped.flatMap$(Signaller.scala:45)
  ammonite.repl.Signaller.flatMap(Signaller.scala:16)
  ammonite.repl.Repl.$anonfun$action$2(Repl.scala:178)
  ammonite.util.Catching.flatMap(Res.scala:115)
  ammonite.repl.Repl.action(Repl.scala:170)
  ammonite.repl.Repl.loop$1(Repl.scala:212)
  ammonite.repl.Repl.run(Repl.scala:227)
  ammonite.Main.$anonfun$run$1(Main.scala:236)
  scala.Option.getOrElse(Option.scala:201)
  ammonite.Main.run(Main.scala:224)
  ammonite.MainRunner.$anonfun$runRepl$1(MainRunner.scala:72)
  ammonite.MainRunner.watchLoop(MainRunner.scala:53)
  ammonite.MainRunner.runRepl(MainRunner.scala:72)
  ammonite.AmmoniteMain$.main0(AmmoniteMain.scala:99)
  ammonite.AmmoniteMain$.main(AmmoniteMain.scala:38)
  ammonite.AmmoniteMain.main(AmmoniteMain.scala)


@ val c = Array.tabulate(9)(_ + 1)
Bad symbolic reference. A signature
refers to JFunction1$mcII$sp/T in package scala.runtime.java8 which is not available.
It may be completely missing from the current classpath, or the version on
the classpath might be incompatible with the version used when compiling the signature.
Compilation Failed

See above. Using tab autocompletion on the Array produces a bad symbolic reference later.

Using https://github.com/com-lihaoyi/Ammonite/releases/download/2.5.5/3.2-2.5.5
@HamishPoole HamishPoole changed the title [Scala 3.2] Autocompling Array. produces Bad symbolic reference. [Scala 3.2] Autocompling Array.x produces Bad symbolic reference. Oct 19, 2022
@HamishPoole HamishPoole changed the title [Scala 3.2] Autocompling Array.x produces Bad symbolic reference. [Bug][Scala 3.2] Autocomplete on Array.x produces Bad symbolic reference. Oct 19, 2022
@lolgab lolgab added the bug label Nov 14, 2023
@crater2150
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A similar error also occurs in Scala's own repl, also related to completion: scala/scala3#15562

@felix-alonso
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I also experienced a similar error. I was test driving the REPL and wrote this:

"hello world".toSeq.map(_.to<TAB>

And got the following stack trace:

stack trace 
Exception in thread "main" java.lang.AssertionError: assertion failed: missing implicit parameter of type Ordering[scala.runtime.RichChar] after typer at phase parser
	at scala.runtime.Scala3RunTime$.assertFailed(Scala3RunTime.scala:8)
	at dotty.tools.dotc.typer.Implicits.inferImplicit(Implicits.scala:1042)
	at dotty.tools.dotc.typer.Implicits.inferImplicit$(Implicits.scala:818)
	at dotty.tools.dotc.typer.Typer.inferImplicit(Typer.scala:116)
	at dotty.tools.dotc.typer.Implicits.inferImplicitArg(Implicits.scala:884)
	at dotty.tools.dotc.typer.Implicits.inferImplicitArg$(Implicits.scala:818)
	at dotty.tools.dotc.typer.Typer.inferImplicitArg(Typer.scala:116)
	at dotty.tools.dotc.typer.Typer.implicitArgs$1(Typer.scala:3737)
	at dotty.tools.dotc.typer.Typer.addImplicitArgs$1(Typer.scala:3773)
	at dotty.tools.dotc.typer.Typer.adaptNoArgsImplicitMethod$1(Typer.scala:3849)
	at dotty.tools.dotc.typer.Typer.adaptNoArgs$1(Typer.scala:4038)
	at dotty.tools.dotc.typer.Typer.adapt1(Typer.scala:4268)
	at dotty.tools.dotc.typer.Typer.adapt(Typer.scala:3587)
	at dotty.tools.dotc.typer.Typer.typed(Typer.scala:3184)
	at dotty.tools.dotc.typer.Implicits.tryConversion$1(Implicits.scala:1136)
	at dotty.tools.dotc.typer.Implicits.typedImplicit(Implicits.scala:1167)
	at dotty.tools.dotc.typer.Implicits.typedImplicit$(Implicits.scala:818)
	at dotty.tools.dotc.typer.Typer.typedImplicit(Typer.scala:116)
	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.tryImplicit(Implicits.scala:1242)
	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.$anonfun$6(Implicits.scala:1580)
	at scala.collection.immutable.List.map(List.scala:246)
	at dotty.tools.dotc.typer.Implicits$ImplicitSearch.allImplicits(Implicits.scala:1580)
	at dotty.tools.dotc.interactive.Completion$Completer.implicitConversionTargets(Completion.scala:515)
	at dotty.tools.dotc.interactive.Completion$Completer.implicitConversionMemberCompletions(Completion.scala:380)
	at dotty.tools.dotc.interactive.Completion$Completer.selectionCompletions(Completion.scala:322)
	at dotty.ammonite.compiler.AmmCompletion$.computeCompletions(AmmCompletion.scala:45)
	at dotty.ammonite.compiler.AmmCompletion$.completions(AmmCompletion.scala:27)
	at ammonite.compiler.Compiler.complete(Compiler.scala:392)
	at ammonite.compiler.CompilerLifecycleManager.complete(CompilerLifecycleManager.scala:115)
	at ammonite.repl.Repl.action$$anonfun$2$$anonfun$2$$anonfun$1(Repl.scala:199)
	at ammonite.repl.Repl.action$$anonfun$2$$anonfun$2$$anonfun$adapted$1(Repl.scala:199)
	at ammonite.repl.AmmoniteFrontEnd.$anonfun$3(AmmoniteFrontEnd.scala:53)
	at ammonite.terminal.TTY$.withSttyOverride(Utils.scala:117)
	at ammonite.repl.AmmoniteFrontEnd.$anonfun$1(AmmoniteFrontEnd.scala:54)
	at ammonite.terminal.Filter$$anon$3$$anon$4.applyOrElse(Filter.scala:69)
	at ammonite.terminal.Filter$$anon$3$$anon$4.applyOrElse(Filter.scala:69)
	at scala.collection.IterableOnceOps.collectFirst(IterableOnce.scala:1142)
	at scala.collection.IterableOnceOps.collectFirst$(IterableOnce.scala:1134)
	at scala.collection.AbstractIterator.collectFirst(Iterator.scala:1300)
	at ammonite.terminal.Filter$$anon$3.op(Filter.scala:69)
	at ammonite.terminal.Filter$.ammonite$terminal$Filter$$anon$7$$_$op$$anonfun$3(Filter.scala:93)
	at scala.collection.Iterator$$anon$9.next(Iterator.scala:584)
	at scala.collection.IterableOnceOps.find(IterableOnce.scala:634)
	at scala.collection.IterableOnceOps.find$(IterableOnce.scala:631)
	at scala.collection.AbstractIterator.find(Iterator.scala:1300)
	at ammonite.terminal.Filter$$anon$7.op(Filter.scala:93)
	at ammonite.terminal.LineReader.readChar(LineReader.scala:157)
	at ammonite.terminal.Terminal$.readLine$$anonfun$2(Terminal.scala:40)
	at ammonite.terminal.TTY$.withSttyOverride(Utils.scala:117)
	at ammonite.terminal.Terminal$.readLine(Terminal.scala:42)
	at ammonite.repl.AmmoniteFrontEnd.readLine(AmmoniteFrontEnd.scala:152)
	at ammonite.repl.AmmoniteFrontEnd.action(AmmoniteFrontEnd.scala:28)
	at ammonite.repl.Repl.action$$anonfun$2$$anonfun$2(Repl.scala:204)
	at ammonite.repl.Scoped.flatMap$$anonfun$1(Signaller.scala:45)
	at ammonite.repl.Signaller.apply(Signaller.scala:28)
	at ammonite.repl.Scoped.flatMap(Signaller.scala:45)
	at ammonite.repl.Scoped.flatMap$(Signaller.scala:42)
	at ammonite.repl.Signaller.flatMap(Signaller.scala:16)
	at ammonite.repl.Repl.action$$anonfun$2(Repl.scala:210)
	at ammonite.util.Res$Success.flatMap(Res.scala:62)
	at ammonite.repl.Repl.action(Repl.scala:210)
	at ammonite.repl.Repl.loop$1(Repl.scala:219)
	at ammonite.repl.Repl.run(Repl.scala:234)
	at ammonite.Main.run(Main.scala:248)
	at ammonite.MainRunner.runRepl$$anonfun$1(MainRunner.scala:72)
	at ammonite.MainRunner.watchLoop(MainRunner.scala:53)
	at ammonite.MainRunner.runRepl(MainRunner.scala:72)
	at ammonite.AmmoniteMain$.main0(AmmoniteMain.scala:92)
	at ammonite.AmmoniteMain$.main(AmmoniteMain.scala:31)
	at ammonite.AmmoniteMain.main(AmmoniteMain.scala)
	at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
	at java.base/java.lang.reflect.Method.invoke(Method.java:580)
	at coursier.bootstrap.launcher.a.a(Unknown Source)
	at coursier.bootstrap.launcher.Launcher.main(Unknown Source)

System information:

Chip: Apple M3 Pro
macOS: 14.1.1 (Sonoma)
Ammonite REPL & Script-Runner, 3.0.0-M0-59-cdeaa580
Scala code runner version 3.3.1 -- Copyright 2002-2023, LAMP/EPFL

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@crater2150 @lolgab @felix-alonso @HamishPoole