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October 3, 2015 17:04
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Welcome to Scala version 2.11.5 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_25). | |
Type in expressions to have them evaluated. | |
Type :help for more information. | |
scala> import scala.reflect.macros.blackbox.Context; import scala.language.experimental.macros | |
import scala.reflect.macros.blackbox.Context | |
import scala.language.experimental.macros | |
scala> def applyImpl(c: Context)(expr: c.Expr[Unit]): c.Expr[Nothing] = { | |
| import c.universe._ | |
| | |
| c.Expr[Nothing](q"""{..${expr.tree.children}; ???}""") | |
| } | |
applyImpl: (c: scala.reflect.macros.blackbox.Context)(expr: c.Expr[Unit])c.Expr[Nothing] | |
scala> def apply(expr: Unit): Nothing = macro applyImpl | |
defined term macro apply: (expr: Unit)Nothing | |
scala> apply{lazy val x = 1} | |
ReplGlobal.abort: Unexpected tree in genLoad: final <stable> private[this] def x$1(x$lzy$1: runtime.IntRef, bitmap$0$1: runtime.VolatileByteRef): Int = { | |
x$lzy$1.elem = 1; | |
x$lzy$1.elem | |
}/class scala.reflect.internal.Trees$DefDef at: source-<console>,line-12,offset=264 | |
error: Unexpected tree in genLoad: final <stable> private[this] def x$1(x$lzy$1: runtime.IntRef, bitmap$0$1: runtime.VolatileByteRef): Int = { | |
x$lzy$1.elem = 1; | |
x$lzy$1.elem | |
}/class scala.reflect.internal.Trees$DefDef at: source-<console>,line-12,offset=264 | |
scala.reflect.internal.FatalError: Unexpected tree in genLoad: final <stable> private[this] def x$1(x$lzy$1: runtime.IntRef, bitmap$0$1: runtime.VolatileByteRef): Int = { | |
x$lzy$1.elem = 1; | |
x$lzy$1.elem | |
}/class scala.reflect.internal.Trees$DefDef at: source-<console>,line-12,offset=264 | |
at scala.reflect.internal.Reporting$class.abort(Reporting.scala:59) | |
at scala.tools.nsc.interpreter.IMain$$anon$1.scala$tools$nsc$interpreter$ReplGlobal$$super$abort(IMain.scala:243) | |
at scala.tools.nsc.interpreter.ReplGlobal$class.abort(ReplGlobal.scala:20) | |
at scala.tools.nsc.interpreter.IMain$$anon$1.abort(IMain.scala:243) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:1010) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genStat(GenICode.scala:181) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:155) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:155) | |
at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:124) | |
at scala.collection.immutable.List.foldLeft(List.scala:84) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:915) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:924) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:916) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genStat(GenICode.scala:170) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:155) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase$$anonfun$genStat$1.apply(GenICode.scala:155) | |
at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:124) | |
at scala.collection.immutable.List.foldLeft(List.scala:84) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.scala$tools$nsc$backend$icode$GenICode$ICodePhase$$genLoad(GenICode.scala:915) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:123) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:71) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:148) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:98) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:71) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:89) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.gen(GenICode.scala:67) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.apply(GenICode.scala:63) | |
at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:441) | |
at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:432) | |
at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:441) | |
at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:399) | |
at scala.tools.nsc.Global$GlobalPhase$$anonfun$run$1.apply(Global.scala:399) | |
at scala.collection.Iterator$class.foreach(Iterator.scala:750) | |
at scala.collection.AbstractIterator.foreach(Iterator.scala:1202) | |
at scala.tools.nsc.Global$GlobalPhase.run(Global.scala:399) | |
at scala.tools.nsc.backend.icode.GenICode$ICodePhase.run(GenICode.scala:55) | |
at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1500) | |
at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1487) | |
at scala.tools.nsc.Global$Run.compileSources(Global.scala:1482) | |
at scala.tools.nsc.interpreter.IMain.compileSourcesKeepingRun(IMain.scala:425) | |
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compileAndSaveRun(IMain.scala:841) | |
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.compile(IMain.scala:800) | |
at scala.tools.nsc.interpreter.IMain$Request.compile$lzycompute(IMain.scala:976) | |
at scala.tools.nsc.interpreter.IMain$Request.compile(IMain.scala:971) | |
at scala.tools.nsc.interpreter.IMain.compile(IMain.scala:568) | |
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:556) | |
at scala.tools.nsc.interpreter.IMain.interpret(IMain.scala:554) | |
at scala.tools.nsc.interpreter.ILoop.reallyInterpret$1(ILoop.scala:802) | |
at scala.tools.nsc.interpreter.ILoop.interpretStartingWith(ILoop.scala:847) | |
at scala.tools.nsc.interpreter.ILoop.command(ILoop.scala:705) | |
at scala.tools.nsc.interpreter.ILoop.processLine(ILoop.scala:404) | |
at scala.tools.nsc.interpreter.ILoop.loop(ILoop.scala:430) | |
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply$mcZ$sp(ILoop.scala:918) | |
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:904) | |
at scala.tools.nsc.interpreter.ILoop$$anonfun$process$1.apply(ILoop.scala:904) | |
at scala.reflect.internal.util.ScalaClassLoader$.savingContextLoader(ScalaClassLoader.scala:97) | |
at scala.tools.nsc.interpreter.ILoop.process(ILoop.scala:904) | |
at scala.tools.nsc.MainGenericRunner.runTarget$1(MainGenericRunner.scala:74) | |
at scala.tools.nsc.MainGenericRunner.run$1(MainGenericRunner.scala:87) | |
at scala.tools.nsc.MainGenericRunner.process(MainGenericRunner.scala:98) | |
at scala.tools.nsc.MainGenericRunner$.main(MainGenericRunner.scala:103) | |
at scala.tools.nsc.MainGenericRunner.main(MainGenericRunner.scala) | |
That entry seems to have slain the compiler. Shall I replay | |
your session? I can re-run each line except the last one. | |
[y/n] |
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