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Atry opened this issue Jan 2, 2020 · 4 comments
Closed

assertion failed: unexpected top splice outside quote #7887

Atry opened this issue Jan 2, 2020 · 4 comments
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@nicolasstucki
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itype:bug itype:crash

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@Atry
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Atry commented Jan 2, 2020

minimized code

// macros.scala

def myMacroImpl(a: quoted.Expr[_])(given qctx: quoted.QuoteContext) = {
  import qctx.tasty.{_, given}
  def typed[A] = {
    implicit val t: quoted.Type[A] = a.unseal.tpe.widen.seal.asInstanceOf[quoted.Type[A]]
    '{
      type T = $t
      ${a.unseal.seal.cast[T]}
    }
  }
  
  typed
}


inline def myMacro(a: => Any) = ${
  myMacroImpl('a)
}
// Main.scala

object Main extends App {
  myMacro(42)
}
Stack trace 
java.lang.AssertionError: assertion failed: unexpected top splice outside quote while compiling /private/tmp/x/tasty-macro-type-alias/Main.scala, /private/tmp/x/tasty-macro-type-alias/macros.scala
[info] exception occurred while compiling /private/tmp/x/tasty-macro-type-alias/macros.scala
[error] ## Exception when compiling 2 sources to /private/tmp/x/tasty-macro-type-alias/target/scala-0.21/classes
[error] assertion failed: unexpected top splice outside quote
[error] dotty.DottyPredef$.assertFail(DottyPredef.scala:17)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformSplice(ReifyQuotes.scala:265)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:99)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] scala.collection.immutable.List.mapConserve(List.scala:444)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1259)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1257)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:97)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] scala.collection.immutable.List.mapConserve(List.scala:444)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1345)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformWithCapturer(ReifyQuotes.scala:355)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.body$3(ReifyQuotes.scala:329)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.$anonfun$1(ReifyQuotes.scala:339)
[error] dotty.tools.dotc.ast.tpd$.polyDefDef(tpd.scala:262)
[error] dotty.tools.dotc.ast.tpd$.DefDef(tpd.scala:221)
[error] dotty.tools.dotc.ast.tpd$.Closure(tpd.scala:115)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.makeLambda(ReifyQuotes.scala:339)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.splitSplice(ReifyQuotes.scala:376)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformSplice(ReifyQuotes.scala:266)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:99)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.splitQuote(ReifyQuotes.scala:371)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformQuotation(ReifyQuotes.scala:191)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:93)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1251)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1257)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:97)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] scala.collection.immutable.List.mapConserve(List.scala:444)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1345)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:97)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.traverse$1(TreeMapWithImplicits.scala:51)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transformStats(TreeMapWithImplicits.scala:58)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:108)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1327)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:101)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] scala.collection.immutable.List.mapConserve(List.scala:444)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1345)
[error] dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1333)
[error] dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:101)
[error] dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] dotty.tools.dotc.transform.ReifyQuotes$$anon$1.transform(ReifyQuotes.scala:93)
[error] dotty.tools.dotc.transform.MacroTransform.run(MacroTransform.scala:21)
[error] dotty.tools.dotc.transform.ReifyQuotes.run(ReifyQuotes.scala:89)
[error] dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:315)
[error] scala.collection.immutable.List.map(List.scala:219)
[error] dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:316)
[error] dotty.tools.dotc.Run.runPhases$4$$anonfun$4(Run.scala:161)
[error] dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
[error] dotty.tools.dotc.Run.runPhases$5(Run.scala:171)
[error] dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:179)
[error] dotty.runtime.function.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:65)
[error] dotty.tools.dotc.Run.compileUnits(Run.scala:186)
[error] dotty.tools.dotc.Run.compileSources(Run.scala:123)
[error] dotty.tools.dotc.Run.compile(Run.scala:106)
[error] dotty.tools.dotc.Driver.doCompile(Driver.scala:36)
[error] dotty.tools.dotc.Driver.process(Driver.scala:189)
[error] dotty.tools.dotc.Main.process(Main.scala)
[error] xsbt.CachedCompilerImpl.run(CachedCompilerImpl.java:69)
[error] xsbt.CompilerInterface.run(CompilerInterface.java:41)
[error] sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] java.lang.reflect.Method.invoke(Method.java:498)
[error] sbt.internal.inc.AnalyzingCompiler.call(AnalyzingCompiler.scala:237)
[error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:111)
[error] sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:90)
[error] sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$3(MixedAnalyzingCompiler.scala:82)
[error] scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:133)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:73)
[error] sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:116)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:307)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:307)
[error] sbt.internal.inc.Incremental$.doCompile(Incremental.scala:106)
[error] sbt.internal.inc.Incremental$.$anonfun$compile$4(Incremental.scala:87)
[error] sbt.internal.inc.IncrementalCommon.recompileClasses(IncrementalCommon.scala:116)
[error] sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:63)
[error] sbt.internal.inc.Incremental$.$anonfun$compile$3(Incremental.scala:89)
[error] sbt.internal.inc.Incremental$.manageClassfiles(Incremental.scala:134)
[error] sbt.internal.inc.Incremental$.compile(Incremental.scala:80)
[error] sbt.internal.inc.IncrementalCompile$.apply(Compile.scala:67)
[error] sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:311)
[error] sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:269)
[error] sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:159)
[error] sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:238)
[error] sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:69)
[error] sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:1549)
[error] sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:1523)
[error] scala.Function1.$anonfun$compose$1(Function1.scala:44)
[error] sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:40)
[error] sbt.std.Transform$$anon$4.work(System.scala:67)
[error] sbt.Execute.$anonfun$submit$2(Execute.scala:269)
[error] sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:16)
[error] sbt.Execute.work(Execute.scala:278)
[error] sbt.Execute.$anonfun$submit$1(Execute.scala:269)
[error] sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:178)
[error] sbt.CompletionService$$anon$2.call(CompletionService.scala:37)
[error] java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error] java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error] java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error] java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[error] java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[error] java.lang.Thread.run(Thread.java:748)
[error]            
[error] java.lang.AssertionError: assertion failed: unexpected top splice outside quote
[error] 	at dotty.DottyPredef$.assertFail(DottyPredef.scala:17)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformSplice(ReifyQuotes.scala:265)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:99)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] 	at scala.collection.immutable.List.mapConserve(List.scala:444)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1259)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1257)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:97)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] 	at scala.collection.immutable.List.mapConserve(List.scala:444)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1345)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformWithCapturer(ReifyQuotes.scala:355)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.body$3(ReifyQuotes.scala:329)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.$anonfun$1(ReifyQuotes.scala:339)
[error] 	at dotty.tools.dotc.ast.tpd$.polyDefDef(tpd.scala:262)
[error] 	at dotty.tools.dotc.ast.tpd$.DefDef(tpd.scala:221)
[error] 	at dotty.tools.dotc.ast.tpd$.Closure(tpd.scala:115)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.makeLambda(ReifyQuotes.scala:339)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.splitSplice(ReifyQuotes.scala:376)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformSplice(ReifyQuotes.scala:266)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:99)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.splitQuote(ReifyQuotes.scala:371)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transformQuotation(ReifyQuotes.scala:191)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:93)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1251)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1257)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:117)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:97)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] 	at scala.collection.immutable.List.mapConserve(List.scala:444)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1345)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1271)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:89)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:105)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:97)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.traverse$1(TreeMapWithImplicits.scala:51)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transformStats(TreeMapWithImplicits.scala:58)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:108)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1327)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:101)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform$$anonfun$2(Trees.scala:1347)
[error] 	at scala.collection.immutable.List.mapConserve(List.scala:444)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1347)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transformStats(Trees.scala:1345)
[error] 	at dotty.tools.dotc.ast.Trees$Instance$TreeMap.transform(Trees.scala:1333)
[error] 	at dotty.tools.dotc.ast.TreeMapWithImplicits.transform(TreeMapWithImplicits.scala:101)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.mapOverTree$1(TreeMapWithStages.scala:76)
[error] 	at dotty.tools.dotc.transform.TreeMapWithStages.transform(TreeMapWithStages.scala:126)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$QuoteReifier.transform(ReifyQuotes.scala:415)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes$$anon$1.transform(ReifyQuotes.scala:93)
[error] 	at dotty.tools.dotc.transform.MacroTransform.run(MacroTransform.scala:21)
[error] 	at dotty.tools.dotc.transform.ReifyQuotes.run(ReifyQuotes.scala:89)
[error] 	at dotty.tools.dotc.core.Phases$Phase.runOn$$anonfun$1(Phases.scala:315)
[error] 	at scala.collection.immutable.List.map(List.scala:219)
[error] 	at dotty.tools.dotc.core.Phases$Phase.runOn(Phases.scala:316)
[error] 	at dotty.tools.dotc.Run.runPhases$4$$anonfun$4(Run.scala:161)
[error] 	at dotty.runtime.function.JProcedure1.apply(JProcedure1.java:15)
[error] 	at dotty.runtime.function.JProcedure1.apply(JProcedure1.java:10)
[error] 	at scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1323)
[error] 	at dotty.tools.dotc.Run.runPhases$5(Run.scala:171)
[error] 	at dotty.tools.dotc.Run.compileUnits$$anonfun$1(Run.scala:179)
[error] 	at dotty.runtime.function.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] 	at dotty.tools.dotc.util.Stats$.maybeMonitored(Stats.scala:65)
[error] 	at dotty.tools.dotc.Run.compileUnits(Run.scala:186)
[error] 	at dotty.tools.dotc.Run.compileSources(Run.scala:123)
[error] 	at dotty.tools.dotc.Run.compile(Run.scala:106)
[error] 	at dotty.tools.dotc.Driver.doCompile(Driver.scala:36)
[error] 	at dotty.tools.dotc.Driver.process(Driver.scala:189)
[error] 	at dotty.tools.dotc.Main.process(Main.scala)
[error] 	at xsbt.CachedCompilerImpl.run(CachedCompilerImpl.java:69)
[error] 	at xsbt.CompilerInterface.run(CompilerInterface.java:41)
[error] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[error] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
[error] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
[error] 	at java.lang.reflect.Method.invoke(Method.java:498)
[error] 	at sbt.internal.inc.AnalyzingCompiler.call(AnalyzingCompiler.scala:237)
[error] 	at sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:111)
[error] 	at sbt.internal.inc.AnalyzingCompiler.compile(AnalyzingCompiler.scala:90)
[error] 	at sbt.internal.inc.MixedAnalyzingCompiler.$anonfun$compile$3(MixedAnalyzingCompiler.scala:82)
[error] 	at scala.runtime.java8.JFunction0$mcV$sp.apply(JFunction0$mcV$sp.java:12)
[error] 	at sbt.internal.inc.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:133)
[error] 	at sbt.internal.inc.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:73)
[error] 	at sbt.internal.inc.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:116)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1(IncrementalCompilerImpl.scala:307)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileInternal$1$adapted(IncrementalCompilerImpl.scala:307)
[error] 	at sbt.internal.inc.Incremental$.doCompile(Incremental.scala:106)
[error] 	at sbt.internal.inc.Incremental$.$anonfun$compile$4(Incremental.scala:87)
[error] 	at sbt.internal.inc.IncrementalCommon.recompileClasses(IncrementalCommon.scala:116)
[error] 	at sbt.internal.inc.IncrementalCommon.cycle(IncrementalCommon.scala:63)
[error] 	at sbt.internal.inc.Incremental$.$anonfun$compile$3(Incremental.scala:89)
[error] 	at sbt.internal.inc.Incremental$.manageClassfiles(Incremental.scala:134)
[error] 	at sbt.internal.inc.Incremental$.compile(Incremental.scala:80)
[error] 	at sbt.internal.inc.IncrementalCompile$.apply(Compile.scala:67)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.compileInternal(IncrementalCompilerImpl.scala:311)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.$anonfun$compileIncrementally$1(IncrementalCompilerImpl.scala:269)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.handleCompilationError(IncrementalCompilerImpl.scala:159)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.compileIncrementally(IncrementalCompilerImpl.scala:238)
[error] 	at sbt.internal.inc.IncrementalCompilerImpl.compile(IncrementalCompilerImpl.scala:69)
[error] 	at sbt.Defaults$.compileIncrementalTaskImpl(Defaults.scala:1549)
[error] 	at sbt.Defaults$.$anonfun$compileIncrementalTask$1(Defaults.scala:1523)
[error] 	at scala.Function1.$anonfun$compose$1(Function1.scala:44)
[error] 	at sbt.internal.util.$tilde$greater.$anonfun$$u2219$1(TypeFunctions.scala:40)
[error] 	at sbt.std.Transform$$anon$4.work(System.scala:67)
[error] 	at sbt.Execute.$anonfun$submit$2(Execute.scala:269)
[error] 	at sbt.internal.util.ErrorHandling$.wideConvert(ErrorHandling.scala:16)
[error] 	at sbt.Execute.work(Execute.scala:278)
[error] 	at sbt.Execute.$anonfun$submit$1(Execute.scala:269)
[error] 	at sbt.ConcurrentRestrictions$$anon$4.$anonfun$submitValid$1(ConcurrentRestrictions.scala:178)
[error] 	at sbt.CompletionService$$anon$2.call(CompletionService.scala:37)
[error] 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error] 	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[error] 	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[error] 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
[error] 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
[error] 	at java.lang.Thread.run(Thread.java:748)
@Atry
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Atry commented Jan 2, 2020

It should not compile since T is defined in the generated expressions and cast[T] is called in the macro.

@nicolasstucki
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Minimized to

def typed[A](given t: quoted.Type[A], qctx: quoted.QuoteContext): Unit = {
  import qctx.tasty.{given, _}
  '{
    type T = $t
    ${'{???}.cast[T]}
  }
}

@nicolasstucki
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nicolasstucki commented Jan 10, 2020 •
edited
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This seems to be an instance of #7405 where the type is at level -1.

@nicolasstucki
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With the change proposed in #7405 , it should compile.

odersky added a commit that referenced this issue Jan 20, 2020
@odersky
Merge pull request #7682 from dotty-staging/fix-#7405
90a6448 
Fix #7405 and #7887: Allow types references at a lower level
OlivierBlanvillain pushed a commit to dotty-staging/dotty that referenced this issue Jan 23, 2020
@nicolasstucki @OlivierBlanvillain
Fix scala#7887: Add regression test
afbbfb3
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