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smarter opened this issue Jun 25, 2017 · 1 comment
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"... already has a symbol" assertion in the IDE when trying to complete "scala." #2809

smarter opened this issue Jun 25, 2017 · 1 comment
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area:ide exp:expert itype:crash

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smarter commented Jun 25, 2017

To reproduce:

  1. sbt launchIDE
  2. Type scala.
  3. Boom:
java.lang.AssertionError: assertion failed: scala.languageFeature$experimental$$.macros$ already has a symbol
        at scala.Predef$.assert(Predef.scala:170)
        at dotty.tools.dotc.core.SymbolLoaders.enterNew(SymbolLoaders.scala:35)
        at dotty.tools.dotc.core.SymbolLoaders.enterModule(SymbolLoaders.scala:59)
        at dotty.tools.dotc.core.SymbolLoaders.enterClassAndModule(SymbolLoaders.scala:102)
        at dotty.tools.dotc.core.classfile.ClassfileParser.enterClassAndModule$1(ClassfileParser.scala:681)
        at dotty.tools.dotc.core.classfile.ClassfileParser.enterOwnInnerClasses$$anonfun$1(ClassfileParser.scala:690)
        at scala.compat.java8.JProcedure1.apply(JProcedure1.java:18)
        at scala.compat.java8.JProcedure1.apply(JProcedure1.java:10)
        at scala.collection.mutable.HashMap$$anon$2$$anonfun$foreach$3.apply(HashMap.scala:139)
        at scala.collection.mutable.HashMap$$anon$2$$anonfun$foreach$3.apply(HashMap.scala:139)
        at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:236)
        at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:40)
        at scala.collection.mutable.HashMap$$anon$2.foreach(HashMap.scala:139)
        at dotty.tools.dotc.core.classfile.ClassfileParser.enterOwnInnerClasses(ClassfileParser.scala:692)
        at dotty.tools.dotc.core.classfile.ClassfileParser.parseClass(ClassfileParser.scala:130)
        at dotty.tools.dotc.core.classfile.ClassfileParser.run(ClassfileParser.scala:59)
        at dotty.tools.dotc.core.ClassfileLoader.load(SymbolLoaders.scala:326)
        at dotty.tools.dotc.core.ClassfileLoader.doComplete(SymbolLoaders.scala:322)
        at dotty.tools.dotc.core.SymbolLoader.complete(SymbolLoaders.scala:272)
        at dotty.tools.dotc.core.SymDenotations$$anon$54.complete(SymDenotations.scala:1843)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.completeFrom(SymDenotations.scala:228)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.info(SymDenotations.scala:206)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.ensureCompleted(SymDenotations.scala:345)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.flags(SymDenotations.scala:149)
        at dotty.tools.dotc.core.SymDenotations$ModuleCompleter.complete(SymDenotations.scala:1881)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.completeFrom(SymDenotations.scala:228)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.info(SymDenotations.scala:206)
        at dotty.tools.dotc.core.SymDenotations$SymDenotation.isAccessibleFrom(SymDenotations.scala:707)
        at dotty.tools.dotc.interactive.Interactive$.completions$$anonfun$2$$anonfun$1(Interactive.scala:91)
        at dotty.tools.dotc.core.Denotations$SingleDenotation.altsWith(Denotations.scala:625)
        at dotty.tools.dotc.interactive.Interactive$.completions$$anonfun$2(Interactive.scala:91)
        at scala.compat.java8.JProcedure2.apply(JProcedure2.java:18)
        at scala.compat.java8.JProcedure2.apply(JProcedure2.java:10)
        at dotty.tools.dotc.core.Types$Type.memberDenots$$anonfun$1(Types.scala:673)
        at scala.compat.java8.JProcedure1.apply(JProcedure1.java:18)
        at scala.compat.java8.JProcedure1.apply(JProcedure1.java:10)
        at scala.collection.immutable.HashSet$HashSet1.foreach(HashSet.scala:316)
        at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:972)
        at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:972)
        at scala.collection.immutable.HashSet$HashTrieSet.foreach(HashSet.scala:972)
        at dotty.tools.dotc.core.Types$Type.memberDenots(Types.scala:673)
        at dotty.tools.dotc.interactive.Interactive$.completions(Interactive.scala:92)
        at dotty.tools.dotc.interactive.Interactive$.completions$$anonfun$1(Interactive.scala:73)
        at scala.collection.immutable.List.flatMap(List.scala:338)
        at dotty.tools.dotc.interactive.Interactive$.completions(Interactive.scala:84)
        at dotty.tools.languageserver.DottyLanguageServer.completion$$anonfun$1(DottyLanguageServer.scala:203)
        at dotty.tools.languageserver.DottyLanguageServer.liftedTree1$1(DottyLanguageServer.scala:108)
        at dotty.tools.languageserver.DottyLanguageServer.computeAsync$$anonfun$1(DottyLanguageServer.scala:113)
        at java.util.concurrent.CompletableFuture.uniApply(CompletableFuture.java:602)
        at java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:577)
        at java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:443)
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
        at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
@smarter smarter self-assigned this Jul 4, 2017
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smarter commented Jul 4, 2017

I'm on it, this seems to be related to scala/scala#5952

smarter added a commit to dotty-staging/dotty that referenced this issue Jul 5, 2017
@smarter
Fix scala#2809: Invalidate and unlink symbols for artifact classfiles
ae6e7c6 
This is similar to scala/scala#5952, we do not
need to parse artifact classfiles (that is, classfiles produced by
scalac or dotty that do not contain pickling information), so we discard
them as soon as possible.
This fixes various IDE crashes when trying to complete packages such as
"scala."
smarter added a commit to dotty-staging/dotty that referenced this issue Jul 5, 2017
@smarter
Fix scala#2809: Invalidate and unlink symbols for artifact classfiles
583e2b5 
This is similar to scala/scala#5952, we do not
need to parse artifact classfiles (that is, classfiles produced by
scalac or dotty that do not contain pickling information), so we discard
them as soon as possible.
This fixes various IDE crashes when trying to complete packages such as
"scala."
smarter added a commit to dotty-staging/dotty that referenced this issue Jul 5, 2017
@smarter
Fix scala#2809: Invalidate and unlink symbols for artifact classfiles
fe4341b 
This is similar to scala/scala#5952, we do not
need to parse artifact classfiles (that is, classfiles produced by
scalac or dotty that do not contain pickling information), so we discard
them as soon as possible.
This fixes various IDE crashes when trying to complete packages such as
"scala."
smarter added a commit to dotty-staging/dotty that referenced this issue Jul 5, 2017
@smarter
Fix scala#2809: Invalidate and unlink symbols for artifact classfiles
0fc8632 
This is similar to scala/scala#5952, we do not
need to parse artifact classfiles (that is, classfiles produced by
scalac or dotty that do not contain pickling information), so we discard
them as soon as possible.
This fixes various IDE crashes when trying to complete packages such as
"scala."
smarter added a commit to dotty-staging/dotty that referenced this issue Jul 6, 2017
@smarter
Fix scala#2809: Invalidate and unlink symbols for artifact classfiles
8aa02c0 
This is similar to scala/scala#5952, we do not
need to parse artifact classfiles (that is, classfiles produced by
scalac or dotty that do not contain pickling information), so we discard
them as soon as possible.
This fixes various IDE crashes when trying to complete packages such as
"scala."
smarter added a commit to dotty-staging/dotty that referenced this issue Jul 11, 2017
@smarter
Fix scala#2809: Invalidate and unlink symbols for artifact classfiles
07fa44e 
This is similar to scala/scala#5952, we do not
need to parse artifact classfiles (that is, classfiles produced by
scalac or dotty that do not contain pickling information), so we discard
them as soon as possible.
This fixes various IDE crashes when trying to complete packages such as
"scala."
smarter added a commit that referenced this issue Jul 11, 2017
@smarter
Merge pull request #2830 from dotty-staging/fix-complete-scala
c6fb9cf 
Fix #2809: Invalidate and unlink symbols for artifact classfiles
@tgodzik tgodzik mentioned this issue Oct 12, 2022
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