Closed
Description
Minimized code
object test {
object home { def /(s: String) = createDir }
object createDir {
def createDirectoryIfNotExists(createParents: Boolean = false)(using attributes: Seq[String] = Seq.empty, linkOptions: Seq[String] = Seq.empty): Unit = ???
}
//this line causes the crash
(home/"temp").createDirectoryIfNotExists()
}Output (click arrow to expand)
## Exception when compiling 2 sources to /tmp/crash/target/scala-0.24/classes
java.util.NoSuchElementException: trait Seq
scala.collection.mutable.AnyRefMap$ExceptionDefault.apply(AnyRefMap.scala:504)
scala.collection.mutable.AnyRefMap$ExceptionDefault.apply(AnyRefMap.scala:503)
scala.collection.mutable.AnyRefMap.apply(AnyRefMap.scala:205)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder$locals$.load(BCodeSkelBuilder.scala:396)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoad(BCodeBodyBuilder.scala:378)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoadArguments$$anonfun$1(BCodeBodyBuilder.scala:1046)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
scala.collection.immutable.List.foreach(List.scala:333)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoadArguments(BCodeBodyBuilder.scala:1046)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genApply(BCodeBodyBuilder.scala:774)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoad(BCodeBodyBuilder.scala:326)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genBlock(BCodeBodyBuilder.scala:913)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoad(BCodeBodyBuilder.scala:395)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genStat(BCodeBodyBuilder.scala:77)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genBlock$$anonfun$1(BCodeBodyBuilder.scala:912)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
scala.collection.immutable.List.foreach(List.scala:333)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genBlock(BCodeBodyBuilder.scala:912)
dotty.tools.backend.jvm.BCodeBodyBuilder$PlainBodyBuilder.genLoad(BCodeBodyBuilder.scala:395)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.emitNormalMethodBody$1(BCodeSkelBuilder.scala:597)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.genDefDef(BCodeSkelBuilder.scala:630)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.gen(BCodeSkelBuilder.scala:501)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.gen$$anonfun$1(BCodeSkelBuilder.scala:503)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
scala.collection.immutable.List.foreach(List.scala:333)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.gen(BCodeSkelBuilder.scala:503)
dotty.tools.backend.jvm.BCodeSkelBuilder$PlainSkelBuilder.genPlainClass(BCodeSkelBuilder.scala:109)
dotty.tools.backend.jvm.GenBCodePipeline$Worker1.visit(GenBCode.scala:217)
dotty.tools.backend.jvm.GenBCodePipeline$Worker1.run(GenBCode.scala:184)
dotty.tools.backend.jvm.GenBCodePipeline.buildAndSendToDisk(GenBCode.scala:514)
dotty.tools.backend.jvm.GenBCodePipeline.run(GenBCode.scala:480)
dotty.tools.backend.jvm.GenBCode.run(GenBCode.scala:51)
dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:318)
scala.collection.immutable.List.map(List.scala:246)
dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:319)
dotty.tools.backend.jvm.GenBCode.runOn(GenBCode.scala:55)
dotty.tools.dotc.Run.runPhases$4$$anonfun$4(Run.scala:165)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
dotty.tools.dotc.Run.runPhases$5(Run.scala:175)
dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:183)
dotty.runtime.function.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:64)
dotty.tools.dotc.Run.compileUnits(Run.scala:190)
dotty.tools.dotc.Run.compileSources(Run.scala:127)
dotty.tools.dotc.Run.compile(Run.scala:110)
dotty.tools.dotc.Driver.doCompile(Driver.scala:38)
dotty.tools.dotc.Driver.process(Driver.scala:194)
dotty.tools.dotc.Main.process(Main.scala)
xsbt.CachedCompilerImpl.run(CachedCompilerImpl.java:69)
xsbt.CompilerInterface.run(CompilerInterface.java:41)
jdk.internal.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.base/java.lang.reflect.Method.invoke(Method.java:566)
sbt.internal.inc.AnalyzingCompiler.call(AnalyzingCompiler.scala:248)
sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:122)
sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:95)
sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$4(MixedAnalyzingCompiler.scala:91)
scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:23)
sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:186)
sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$3(MixedAnalyzingCompiler.scala:82)
sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$3$adapted(MixedAnalyzingCompiler.scala:77)
sbt.internal.inc.JarUtils$.withPreviousJar(JarUtils.scala:215)
sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:77)
sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:146)
sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:343)
sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:343)
sbt.internal.inc.Incremental$.doCompile(Incremental.scala:120)
sbt.internal.inc.Incremental$.$anonfun$compile$4(Incremental.scala:100)
sbt.internal.inc.IncrementalCommon.recompileClasses(IncrementalCommon.scala:180)
sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:98)
sbt.internal.inc.Incremental$.$anonfun$compile$3(Incremental.scala:102)
sbt.internal.inc.Incremental$.manageClassfiles(Incremental.scala:155)
sbt.internal.inc.Incremental$.compile(Incremental.scala:92)
sbt.internal.inc.IncrementalCompile$.apply(Compile.scala:75)
sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:348)
sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:301)
sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:168)
sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:248)
sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:74)
sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:1765)
sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:1738)
scala.Function1.$anonfun$compose$1(Function1.scala:49)
sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:62)
sbt.std.Transform$$anon$4.work(Transform.scala:67)
sbt.Execute.$anonfun$submit$2(Execute.scala:281)
sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:19)
sbt.Execute.work(Execute.scala:290)
sbt.Execute.$anonfun$submit$1(Execute.scala:281)
sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:178)
sbt.CompletionService$$anon$2.call(CompletionService.scala:37)
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
java.base/java.lang.Thread.run(Thread.java:834)
Notes:
In the above example, the call has to be of that form, if you take away (home/"temp") and use the createDir object directly, it compiles fine. If you remove any of the parameters of createDirectoryIfNotExists, it also compiles fine.