Created
May 23, 2014 12:36
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quasiquote patternmatch for comprehension
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| > ++2.10.4 | |
| [info] Setting version to 2.10.4 | |
| [info] Set current project to wartremover (in build file:/Users/georgii/workspace/wartremover/) | |
| > console | |
| [info] Updating {file:/Users/georgii/workspace/wartremover/}wartremover... | |
| [info] Resolving org.fusesource.jansi#jansi;1.4 ... | |
| [info] Done updating. | |
| [info] Compiling 24 Scala sources to /Users/georgii/workspace/wartremover/target/scala-2.10/classes... | |
| [info] Starting scala interpreter... | |
| [info] | |
| Welcome to Scala version 2.10.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51). | |
| Type in expressions to have them evaluated. | |
| Type :help for more information. | |
| scala> import reflect.runtime.universe._ | |
| import reflect.runtime.universe._ | |
| scala> val q"for (..$enums) yield $body" = q"for(i <- List(1,2,3)) yield i" | |
| <console>:10: error: exception during macro expansion: | |
| java.lang.UnsupportedOperationException: Position.end on class scala.reflect.internal.util.OffsetPosition | |
| at scala.reflect.internal.util.Position.end(Position.scala:126) | |
| at scala.quasiquotes.TreeGen.closurePos$1(TreeGen.scala:670) | |
| at scala.quasiquotes.TreeGen.mkFor(TreeGen.scala:677) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.parseFor$1(Parsers.scala:1443) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.expr0(Parsers.scala:1452) | |
| at org.scalamacros.paradise.parser.Parsers$Parser$$anonfun$expr$1.apply(Parsers.scala:1373) | |
| at org.scalamacros.paradise.parser.Parsers$Parser$$anonfun$expr$1.apply(Parsers.scala:1373) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.withPlaceholders(Parsers.scala:1218) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.expr(Parsers.scala:1373) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.statement(Parsers.scala:1346) | |
| at org.scalamacros.paradise.parser.Parsers$Parser$$anonfun$templateStat$1.applyOrElse(Parsers.scala:3041) | |
| at org.scalamacros.paradise.parser.Parsers$Parser$$anonfun$templateStat$1.applyOrElse(Parsers.scala:3033) | |
| at scala.PartialFunction$OrElse.applyOrElse(PartialFunction.scala:165) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.statSeq(Parsers.scala:2965) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.templateOrTopStatSeq(Parsers.scala:3044) | |
| at org.scalamacros.paradise.quasiquotes.Parsers$TermParser$$anonfun$entryPoint$1.apply(Parsers.scala:193) | |
| at org.scalamacros.paradise.quasiquotes.Parsers$TermParser$$anonfun$entryPoint$1.apply(Parsers.scala:193) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.parseRule(Parsers.scala:356) | |
| at org.scalamacros.paradise.quasiquotes.Parsers$Parser$$anonfun$parse$1.apply(Parsers.scala:30) | |
| at org.scalamacros.paradise.quasiquotes.Parsers$Parser$$anonfun$parse$1.apply(Parsers.scala:30) | |
| at org.scalamacros.paradise.parser.Parsers$Parser.checkNoEscapingPlaceholders(Parsers.scala:473) | |
| at org.scalamacros.paradise.quasiquotes.Parsers$Parser.parse(Parsers.scala:30) | |
| at org.scalamacros.paradise.quasiquotes.Quasiquotes$$anonfun$5.apply(Quasiquotes.scala:34) | |
| at org.scalamacros.paradise.quasiquotes.Quasiquotes$$anonfun$5.apply(Quasiquotes.scala:34) | |
| at org.scalamacros.paradise.quasiquotes.Quasiquotes.expandQuasiquote(Quasiquotes.scala:60) | |
| at org.scalamacros.paradise.typechecker.FastTrack$ParadiseFastTrack$$anonfun$hijack$1$$anonfun$apply$1.apply(FastTrack.scala:22) | |
| at org.scalamacros.paradise.typechecker.FastTrack$ParadiseFastTrack$$anonfun$hijack$1$$anonfun$apply$1.apply(FastTrack.scala:22) | |
| at org.scalamacros.paradise.typechecker.FastTrack$$anonfun$1.applyOrElse(FastTrack.scala:14) | |
| at org.scalamacros.paradise.typechecker.FastTrack$$anonfun$1.applyOrElse(FastTrack.scala:14) | |
| at scala.runtime.AbstractPartialFunction.apply(AbstractPartialFunction.scala:33) | |
| at scala.tools.reflect.FastTrack$FastTrackEntry.run(FastTrack.scala:25) | |
| val q"for (..$enums) yield $body" = q"for(i <- List(1,2,3)) yield i" | |
| ^ |
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| > ++2.11.0 | |
| [info] Setting version to 2.11.0 | |
| [info] Set current project to wartremover (in build file:/Users/georgii/workspace/wartremover/) | |
| > console | |
| [info] Updating {file:/Users/georgii/workspace/wartremover/}wartremover... | |
| [info] Resolving jline#jline;2.11 ... | |
| [info] Done updating. | |
| [info] Compiling 24 Scala sources to /Users/georgii/workspace/wartremover/target/scala-2.11/classes... | |
| [warn] there were 25 deprecation warning(s); re-run with -deprecation for details | |
| [warn] one warning found | |
| [info] Starting scala interpreter... | |
| [info] | |
| Welcome to Scala version 2.11.0 (Java HotSpot(TM) 64-Bit Server VM, Java 1.7.0_51). | |
| Type in expressions to have them evaluated. | |
| Type :help for more information. | |
| scala> import reflect.runtime.universe._ | |
| import reflect.runtime.universe._ | |
| scala> val q"for (..$enums) yield $body" = q"for(i <- List(1,2,3)) yield i" | |
| enums: List[reflect.runtime.universe.Tree] = List(`<-`((i @ _), List(1, 2, 3))) | |
| body: reflect.runtime.universe.Tree = i |
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