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back end crash (Cannot create ClassBType from non-class symbol) #9907

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scabug opened this issue Aug 26, 2016 · 6 comments
Closed

back end crash (Cannot create ClassBType from non-class symbol) #9907

scabug opened this issue Aug 26, 2016 · 6 comments
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@lrytz
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backend
Milestone
2.12.1

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@scabug
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scabug commented Aug 26, 2016 

[info] Compiling 1 Scala source to /home/gui/center/codemirror/client/target/scala-2.11/classes...
java.lang.AssertionError: assertion failed: 
  Cannot create ClassBType from non-class symbol type Callback
     while compiling: /home/gui/center/codemirror/client/src/main/scala/client/Editor.scala
        during phase: jvm
     library version: version 2.11.8
    compiler version: version 2.11.8
  reconstructed args: -classpath /home/gui/center/codemirror/client/target/scala-2.11/classes:/home/gui/center/codemirror/codemirror/target/scala-2.11/classes:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/com/github/japgolly/scalajs-react/core_sjs0.6_2.11/0.11.1/core_sjs0.6_2.11-0.11.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-js/scalajs-library_2.11/0.6.11/scalajs-library_2.11-0.6.11.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/webjars/bower/codemirror/5.18.2/codemirror-5.18.2.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-js/scalajs-dom_sjs0.6_2.11/0.9.1/scalajs-dom_sjs0.6_2.11-0.9.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/webjars/bower/react/15.2.1/react-15.2.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/com/github/japgolly/scalajs-react/extra_sjs0.6_2.11/0.11.1/extra_sjs0.6_2.11-0.11.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.11.8/scala-reflect-2.11.8.jar -Ywarn-value-discard -feature -Ywarn-numeric-widen -unchecked -Ydelambdafy:method -Yno-adapted-args -Ywarn-unused-import -deprecation -Xlint:adapted-args -Xlint:nullary-unit -Xlint:inaccessible -Xlint:nullary-override -Xlint:infer-any -Xlint:missing-interpolator -Xlint:doc-detached -Xlint:private-shadow -Xlint:type-parameter-shadow -Xlint:poly-implicit-overload -Xlint:option-implicit -Xlint:delayedinit-select -Xlint:by-name-right-associative -Xlint:package-object-classes -Xlint:unsound-match -Xlint:stars-align -Yrangepos -bootclasspath /nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/resources.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/rt.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/sunrsasign.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/jsse.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/jce.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/charsets.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/jfr.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/classes:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.11.8/scala-library-2.11.8.jar -Xfatal-warnings -Xplugin:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-js/scalajs-compiler_2.11.8/0.6.11/scalajs-compiler_2.11.8-0.6.11.jar -Yinline-warnings -Ybackend:GenBCode -Ywarn-dead-code

  last tree to typer: TypeTree(class Editor$EditorState)
       tree position: line 85 of /home/gui/center/codemirror/client/src/main/scala/client/Editor.scala
            tree tpe: client.Editor.Editor$EditorState
              symbol: (case private[object Editor]) class Editor$EditorState in package client
   symbol definition: case private[object Editor] class Editor$EditorState extends Product with Serializable (a ClassSymbol)
      symbol package: client
       symbol owners: class Editor$EditorState
           call site: constructor Editor$$anonfun$$nestedInanonfun$14$1 in package client
== Source file context for tree position ==

    82         // editor.onChange((_, _) => backend.codeChange(editor.getDoc().getValue()))
    83 
    84         scope.modState(_.copy(editor = Some(editor)))
    85       }
    86     }
    87   }
    88 
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols.classBTypeFromSymbol(BTypesFromSymbols.scala:105)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols.buildNestedInfo(BTypesFromSymbols.scala:395)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols.scala$tools$nsc$backend$jvm$BTypesFromSymbols$$setClassInfo(BTypesFromSymbols.scala:351)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols$$anonfun$classBTypeFromSymbol$4.apply(BTypesFromSymbols.scala:120)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols$$anonfun$classBTypeFromSymbol$4.apply(BTypesFromSymbols.scala:112)
        at scala.collection.MapLike$class.getOrElse(MapLike.scala:128)
        at scala.collection.concurrent.TrieMap.getOrElse(TrieMap.scala:633)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols.classBTypeFromSymbol(BTypesFromSymbols.scala:112)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols$$anonfun$primitiveOrClassToBType$1$2.apply(BTypesFromSymbols.scala:153)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols$$anonfun$primitiveOrClassToBType$1$2.apply(BTypesFromSymbols.scala:153)
        at scala.collection.MapLike$class.getOrElse(MapLike.scala:128)
        at scala.collection.AbstractMap.getOrElse(Map.scala:59)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols.primitiveOrClassToBType$1(BTypesFromSymbols.scala:153)
        at scala.tools.nsc.backend.jvm.BTypesFromSymbols.typeToBType(BTypesFromSymbols.scala:168)
        at scala.tools.nsc.backend.jvm.BCodeHelpers$BCInnerClassGen$class.toTypeKind(BCodeHelpers.scala:354)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.toTypeKind(BCodeSkelBuilder.scala:50)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder$$anonfun$paramTKs$1.apply(BCodeSkelBuilder.scala:78)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder$$anonfun$paramTKs$1.apply(BCodeSkelBuilder.scala:78)
        at scala.collection.immutable.List.map(List.scala:277)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.paramTKs(BCodeSkelBuilder.scala:78)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genNormalMethodCall$1(BCodeBodyBuilder.scala:676)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genApply(BCodeBodyBuilder.scala:712)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoad(BCodeBodyBuilder.scala:312)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoadArguments(BCodeBodyBuilder.scala:919)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genNormalMethodCall$1(BCodeBodyBuilder.scala:676)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genApply(BCodeBodyBuilder.scala:712)
        at scala.tools.nsc.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoad(BCodeBodyBuilder.scala:312)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.emitNormalMethodBody$1(BCodeSkelBuilder.scala:621)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.genDefDef(BCodeSkelBuilder.scala:655)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.gen(BCodeSkelBuilder.scala:525)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.gen(BCodeSkelBuilder.scala:527)
        at scala.tools.nsc.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.genPlainClass(BCodeSkelBuilder.scala:125)
        at scala.tools.nsc.backend.jvm.GenBCode$BCodePhase$Worker1.visit(GenBCode.scala:188)
        at scala.tools.nsc.backend.jvm.GenBCode$BCodePhase$Worker1$$anonfun$run$1.apply$mcV$sp(GenBCode.scala:137)
        at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:431)
        at scala.tools.nsc.backend.jvm.GenBCode$BCodePhase$Worker1.run(GenBCode.scala:137)
        at scala.tools.nsc.backend.jvm.GenBCode$BCodePhase.buildAndSendToDisk(GenBCode.scala:357)
        at scala.tools.nsc.backend.jvm.GenBCode$BCodePhase.run(GenBCode.scala:326)
        at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1501)
        at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1486)
        at scala.tools.nsc.Global$Run.compileSources(Global.scala:1481)
        at scala.tools.nsc.Global$Run.compile(Global.scala:1582)
        at xsbt.CachedCompiler0.run(CompilerInterface.scala:116)
        at xsbt.CachedCompiler0.run(CompilerInterface.scala:95)
        at xsbt.CompilerInterface.run(CompilerInterface.scala:26)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:101)
        at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47)
        at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:41)
        at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply$mcV$sp(MixedAnalyzingCompiler.scala:50)
 at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:50)
        at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:50)
        at sbt.compiler.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:74)
        at sbt.compiler.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:49)
        at sbt.compiler.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:64)
        at sbt.compiler.IC$$anonfun$compileInternal$1.apply(IncrementalCompiler.scala:160)
        at sbt.compiler.IC$$anonfun$compileInternal$1.apply(IncrementalCompiler.scala:160)
        at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:66)
        at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:64)
        at sbt.inc.IncrementalCommon.cycle(IncrementalCommon.scala:32)
        at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:68)
        at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:67)
        at sbt.inc.Incremental$.manageClassfiles(Incremental.scala:95)
        at sbt.inc.Incremental$.compile(Incremental.scala:67)
        at sbt.inc.IncrementalCompile$.apply(Compile.scala:54)
        at sbt.compiler.IC$.compileInternal(IncrementalCompiler.scala:160)
        at sbt.compiler.IC$.incrementalCompile(IncrementalCompiler.scala:138)
        at sbt.Compiler$.compile(Compiler.scala:152)
        at sbt.Compiler$.compile(Compiler.scala:138)
        at sbt.Defaults$.sbt$Defaults$$compileIncrementalTaskImpl(Defaults.scala:860)
        at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:851)
        at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:849)
        at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
        at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40)
        at sbt.std.Transform$$anon$4.work(System.scala:63)
        at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228)
        at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228)
        at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17)
        at sbt.Execute.work(Execute.scala:237)
        at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228)
        at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228)
        at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159)
        at sbt.CompletionService$$anon$2.call(CompletionService.scala:28)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
[error] Error while emitting Editor.scala
[error] assertion failed: 
[error]   Cannot create ClassBType from non-class symbol type Callback
[error]      while compiling: /home/gui/center/codemirror/client/src/main/scala/client/Editor.scala
[error]         during phase: jvm
[error]      library version: version 2.11.8
[error]     compiler version: version 2.11.8
[error]   reconstructed args: -classpath /home/gui/center/codemirror/client/target/scala-2.11/classes:/home/gui/center/codemirror/codemirror/target/scala-2.11/classes:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/com/github/japgolly/scalajs-react/core_sjs0.6_2.11/0.11.1/core_sjs0.6_2.11-0.11.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-js/scalajs-library_2.11/0.6.11/scalajs-library_2.11-0.6.11.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/webjars/bower/codemirror/5.18.2/codemirror-5.18.2.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-js/scalajs-dom_sjs0.6_2.11/0.9.1/scalajs-dom_sjs0.6_2.11-0.9.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/webjars/bower/react/15.2.1/react-15.2.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/com/github/japgolly/scalajs-react/extra_sjs0.6_2.11/0.11.1/extra_sjs0.6_2.11-0.11.1.jar:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.11.8/scala-reflect-2.11.8.jar -Ywarn-value-discard -feature -Ywarn-numeric-widen -unchecked -Ydelambdafy:method -Yno-adapted-args -Ywarn-unused-import -deprecation -Xlint:adapted-args -Xlint:nullary-unit -Xlint:inaccessible -Xlint:nullary-override -Xlint:infer-any -Xlint:missing-interpolator -Xlint:doc-detached -Xlint:private-shadow -Xlint:type-parameter-shadow -Xlint:poly-implicit-overload -Xlint:option-implicit -Xlint:delayedinit-select -Xlint:by-name-right-associative -Xlint:package-object-classes -Xlint:unsound-match -Xlint:stars-align -Yrangepos -bootclasspath /nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/resources.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/rt.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/sunrsasign.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/jsse.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/jce.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/charsets.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/lib/jfr.jar:/nix/store/mxf095i1rdgxqqn22a7b9kgn4qx67afv-oraclejdk-8u101/jre/classes:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.11.8/scala-library-2.11.8.jar -Xfatal-warnings -Xplugin:/home/gui/.coursier/cache/v1/https/repo1.maven.org/maven2/org/scala-js/scalajs-compiler_2.11.8/0.6.11/scalajs-compiler_2.11.8-0.6.11.jar -Yinline-warnings -Ybackend:GenBCode -Ywarn-dead-code
[error] 
[error]   last tree to typer: TypeTree(class Editor$EditorState)
[error]        tree position: line 85 of /home/gui/center/codemirror/client/src/main/scala/client/Editor.scala
[error]             tree tpe: client.Editor.Editor$EditorState
[error]               symbol: (case private[object Editor]) class Editor$EditorState in package client
[error]    symbol definition: case private[object Editor] class Editor$EditorState extends Product with Serializable (a ClassSymbol)
[error]       symbol package: client
[error]        symbol owners: class Editor$EditorState
[error]            call site: constructor Editor$$anonfun$$nestedInanonfun$14$1 in package client
[error] 
[error] == Source file context for tree position ==
[error] 
[error]     82         // editor.onChange((_, _) => backend.codeChange(editor.getDoc().getValue()))
[error]     83 
[error]     84         scope.modState(_.copy(editor = Some(editor)))
[error]     85       }
[error]     86     }
[error]     87   }
[error]     88 
[error] one error found
[error] (client/compile:compileIncremental) Compilation failed
[error] Total time: 2 s, completed Aug 26, 2016 2:30:50 PM
private def runDelta(editor: codemirror.Editor, scope: Scope, current: App.State, next: App.State): Callback = {
    def setTheme() = {
      if(current.dark != next.dark) {
        val theme = 
          if(next.dark) "dark"
          else "light"

        editor.setOption("theme", s"solarized $theme")
      }
    }


    def setCode() = {
      if(current.code != next.code) {
        editor.getDoc().setValue(next.code)
      }    
    }

    def setAnnotations() = {
      val added = next.compilationInfos -- current.compilationInfos
      // Callback(
      val removed = next.compilationInfos -- current.compilationInfos
      // Callback(
      scope.modState(s => s.copy(annotations = Map()))
    }

    for {
      _ <- Callback(setTheme()) //CallbackTo[Unit] is fine
      _ <- CallbackTo[Unit](setCode())
      _ <- setAnnotations()
    } yield ()
  }
@scabug
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scabug commented Aug 26, 2016

Imported From: https://issues.scala-lang.org/browse/SI-9907?orig=1
Reporter: Guillaume Massé (masgui)
Affected Versions: 2.12.0

@scabug
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scabug commented Aug 26, 2016

Guillaume Massé (masgui) said:
it does not crash when "-Ybackend:GenBCode" is disabled

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scabug commented Aug 26, 2016

@SethTisue said:
Is it reproducible on 2.12? GenBCode is no longer maintained on 2.11

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scabug commented Aug 26, 2016

Guillaume Massé (masgui) said (edited on Aug 26, 2016 7:20:01 PM UTC):
I don't know, I don't have the artifacts for 2.12 I will close the issue since it's does not make sense to use GenBCode in scalajs.

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scabug commented Oct 24, 2016

David Barri (japgolly) said:
I'm getting this issue on 2.12.0-RC2. See japgolly/nyaya#22 (comment)

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scabug commented Oct 31, 2016

@lrytz said:
fixed by scala/scala#5482

@scabug scabug closed this as completed Oct 31, 2016
@scabug scabug added the backend label Apr 7, 2017
@scabug scabug added this to the 2.12.1 milestone Apr 7, 2017
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