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@shyamsalimkumar
Last active February 23, 2017 18:45
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Trying annotating a constructor parameter `class A(@field("first_field") val a: String)`
name := "scala-meta-playground"
version := "0.0.1"
scalaVersion := "2.11.8"
libraryDependencies += "org.scalameta" %% "scalameta" % "1.6.0"
libraryDependencies += "org.scalatest" %% "scalatest" % "3.0.1" % "test"
addCompilerPlugin("org.scalameta" % "paradise" % "3.0.0-beta4" cross CrossVersion.full)
scalacOptions += "-Xplugin-require:macroparadise"
org.scalameta.invariants.InvariantFailedException: invariant failed:
when verifying stats.forall(((x$1: scala.meta.Stat) => scala.meta.internal.ast.Helpers.XtensionStat(x$1).isBlockStat))
found that stats.forall(((x$1: scala.meta.Stat) => scala.meta.internal.ast.Helpers.XtensionStat(x$1).isBlockStat)) is false
where stats = List(val a: String, class A(val a: String))
at org.scalameta.invariants.InvariantFailedException$.raise(Exceptions.scala:15)
at scala.meta.Term$Block$.internal$46(Trees.scala:80)
at scala.meta.Term$Block$.apply(Trees.scala:79)
at org.scalameta.paradise.typechecker.Expanders$Expander$class.expand$2(Expanders.scala:116)
at org.scalameta.paradise.typechecker.Expanders$Expander$$anonfun$expandNewAnnotationMacro$1.apply(Expanders.scala:181)
at org.scalameta.paradise.typechecker.Expanders$Expander$$anonfun$expandNewAnnotationMacro$1.apply(Expanders.scala:181)
at org.scalameta.paradise.typechecker.Expanders$Expander$class.extractAndValidateExpansions(Expanders.scala:258)
at org.scalameta.paradise.typechecker.Expanders$Expander$class.expandNewAnnotationMacro(Expanders.scala:181)
at org.scalameta.paradise.typechecker.Namers$$anon$3.expandNewAnnotationMacro(Namers.scala:12)
at org.scalameta.paradise.typechecker.Namers$Namer$$anon$2.org$scalameta$paradise$typechecker$Namers$Namer$class$$anon$$maybeExpand$1(Namers.scala:396)
at org.scalameta.paradise.typechecker.Namers$Namer$$anon$2$$anonfun$7.apply(Namers.scala:404)
at org.scalameta.paradise.typechecker.Namers$Namer$$anon$2$$anonfun$7.apply(Namers.scala:404)
at scala.collection.immutable.Stream.flatMap(Stream.scala:489)
at org.scalameta.paradise.typechecker.Namers$Namer$$anon$2.maybeExpand(Namers.scala:404)
at org.scalameta.paradise.typechecker.Namers$Namer$MaybeExpandeeCompleter.completeImpl(Namers.scala:336)
at org.scalameta.paradise.typechecker.Namers$Namer$MaybeExpandeeCompleter.complete(Namers.scala:326)
at org.scalameta.paradise.typechecker.Namers$Namer$RichType.completeOnlyExpansions(Namers.scala:355)
at org.scalameta.paradise.typechecker.Expanders$Expander$$anonfun$expandMacroAnnotations$2.apply(Expanders.scala:292)
at org.scalameta.paradise.typechecker.Expanders$Expander$$anonfun$expandMacroAnnotations$2.apply(Expanders.scala:282)
at scala.collection.immutable.List.flatMap(List.scala:327)
at org.scalameta.paradise.typechecker.Expanders$Expander$class.expandMacroAnnotations(Expanders.scala:282)
at org.scalameta.paradise.typechecker.Expanders$$anon$1.expandMacroAnnotations(Expanders.scala:23)
at org.scalameta.paradise.typechecker.AnalyzerPlugins$MacroPlugin$.pluginsEnterStats(AnalyzerPlugins.scala:46)
at scala.tools.nsc.typechecker.AnalyzerPlugins$$anonfun$pluginsEnterStats$1.apply(AnalyzerPlugins.scala:450)
at scala.tools.nsc.typechecker.AnalyzerPlugins$$anonfun$pluginsEnterStats$1.apply(AnalyzerPlugins.scala:449)
at scala.collection.LinearSeqOptimized$class.foldLeft(LinearSeqOptimized.scala:124)
at scala.collection.immutable.List.foldLeft(List.scala:84)
at scala.tools.nsc.typechecker.AnalyzerPlugins$class.pluginsEnterStats(AnalyzerPlugins.scala:449)
at org.scalameta.paradise.typechecker.HijackAnalyzer$$anon$2.pluginsEnterStats(HijackAnalyzer.scala:31)
at scala.tools.nsc.typechecker.Typers$Typer.typedBlock(Typers.scala:2323)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedOutsidePatternMode$1$1.apply(Typers.scala:5318)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$typedOutsidePatternMode$1$1.apply(Typers.scala:5318)
at scala.tools.nsc.typechecker.Typers$Typer.typedOutsidePatternMode$1(Typers.scala:5317)
at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5353)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5360)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374)
at scala.tools.nsc.typechecker.Typers$Typer.typedArg(Typers.scala:3164)
at scala.tools.nsc.typechecker.PatternTypers$PatternTyper$class.typedArgWithFormal$1(PatternTypers.scala:112)
at scala.tools.nsc.typechecker.PatternTypers$PatternTyper$$anonfun$2.apply(PatternTypers.scala:115)
at scala.tools.nsc.typechecker.PatternTypers$PatternTyper$$anonfun$2.apply(PatternTypers.scala:115)
at scala.runtime.Tuple2Zipped$$anonfun$map$extension$1.apply(Tuple2Zipped.scala:46)
at scala.runtime.Tuple2Zipped$$anonfun$map$extension$1.apply(Tuple2Zipped.scala:44)
at scala.collection.immutable.List.foreach(List.scala:381)
at scala.runtime.Tuple2Zipped$.map$extension(Tuple2Zipped.scala:44)
at scala.tools.nsc.typechecker.PatternTypers$PatternTyper$class.typedArgsForFormals(PatternTypers.scala:115)
at scala.tools.nsc.typechecker.Typers$Typer.typedArgsForFormals(Typers.scala:111)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$handleMonomorphicCall$1(Typers.scala:3470)
at scala.tools.nsc.typechecker.Typers$Typer.doTypedApply(Typers.scala:3495)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$98.apply(Typers.scala:4496)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$98.apply(Typers.scala:4496)
at scala.tools.nsc.typechecker.Typers$Typer.silent(Typers.scala:680)
at scala.tools.nsc.typechecker.Typers$Typer.tryTypedApply$1(Typers.scala:4496)
at scala.tools.nsc.typechecker.Typers$Typer.normalTypedApply$1(Typers.scala:4544)
at scala.tools.nsc.typechecker.Typers$Typer.typedApply$1(Typers.scala:4580)
at scala.tools.nsc.typechecker.Typers$Typer.typedInAnyMode$1(Typers.scala:5343)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5360)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374)
at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5452)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.collection.immutable.List.loop$1(List.scala:173)
at scala.collection.immutable.List.mapConserve(List.scala:189)
at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer.typedTemplate(Typers.scala:1921)
at scala.tools.nsc.typechecker.Typers$Typer.typedClassDef(Typers.scala:1762)
at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5309)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374)
at scala.tools.nsc.typechecker.Typers$Typer.typedByValueExpr(Typers.scala:5452)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedStat$1(Typers.scala:3047)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer$$anonfun$65.apply(Typers.scala:3151)
at scala.collection.immutable.List.loop$1(List.scala:173)
at scala.collection.immutable.List.mapConserve(List.scala:189)
at scala.tools.nsc.typechecker.Typers$Typer.typedStats(Typers.scala:3151)
at scala.tools.nsc.typechecker.Typers$Typer.typedPackageDef$1(Typers.scala:5015)
at scala.tools.nsc.typechecker.Typers$Typer.typedMemberDef$1(Typers.scala:5312)
at scala.tools.nsc.typechecker.Typers$Typer.typed1(Typers.scala:5359)
at scala.tools.nsc.typechecker.Typers$Typer.runTyper$1(Typers.scala:5396)
at scala.tools.nsc.typechecker.Typers$Typer.scala$tools$nsc$typechecker$Typers$Typer$$typedInternal(Typers.scala:5423)
at scala.tools.nsc.typechecker.Typers$Typer.body$2(Typers.scala:5370)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5374)
at scala.tools.nsc.typechecker.Typers$Typer.typed(Typers.scala:5448)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.apply(Analyzer.scala:102)
at scala.tools.nsc.Global$GlobalPhase$$anonfun$applyPhase$1.apply$mcV$sp(Global.scala:440)
at scala.tools.nsc.Global$GlobalPhase.withCurrentUnit(Global.scala:431)
at scala.tools.nsc.Global$GlobalPhase.applyPhase(Global.scala:440)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:94)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3$$anonfun$run$1.apply(Analyzer.scala:93)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at scala.tools.nsc.typechecker.Analyzer$typerFactory$$anon$3.run(Analyzer.scala:93)
at scala.tools.nsc.Global$Run.compileUnitsInternal(Global.scala:1501)
at scala.tools.nsc.Global$Run.compileUnits(Global.scala:1486)
at scala.tools.nsc.Global$Run.compileSources(Global.scala:1481)
at scala.tools.nsc.Global$Run.compile(Global.scala:1582)
at xsbt.CachedCompiler0.run(CompilerInterface.scala:116)
at xsbt.CachedCompiler0.run(CompilerInterface.scala:95)
at xsbt.CompilerInterface.run(CompilerInterface.scala:26)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at sbt.compiler.AnalyzingCompiler.call(AnalyzingCompiler.scala:107)
at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:53)
at sbt.compiler.AnalyzingCompiler.compile(AnalyzingCompiler.scala:47)
at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply$mcV$sp(MixedAnalyzingCompiler.scala:50)
at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:50)
at sbt.compiler.MixedAnalyzingCompiler$$anonfun$compileScala$1$1.apply(MixedAnalyzingCompiler.scala:50)
at sbt.compiler.MixedAnalyzingCompiler.timed(MixedAnalyzingCompiler.scala:74)
at sbt.compiler.MixedAnalyzingCompiler.compileScala$1(MixedAnalyzingCompiler.scala:49)
at sbt.compiler.MixedAnalyzingCompiler.compile(MixedAnalyzingCompiler.scala:64)
at sbt.compiler.IC$$anonfun$compileInternal$1.apply(IncrementalCompiler.scala:160)
at sbt.compiler.IC$$anonfun$compileInternal$1.apply(IncrementalCompiler.scala:160)
at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:66)
at sbt.inc.IncrementalCompile$$anonfun$doCompile$1.apply(Compile.scala:64)
at sbt.inc.IncrementalCommon.cycle(IncrementalCommon.scala:32)
at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:72)
at sbt.inc.Incremental$$anonfun$1.apply(Incremental.scala:71)
at sbt.inc.Incremental$.manageClassfiles(Incremental.scala:99)
at sbt.inc.Incremental$.compile(Incremental.scala:71)
at sbt.inc.IncrementalCompile$.apply(Compile.scala:54)
at sbt.compiler.IC$.compileInternal(IncrementalCompiler.scala:160)
at sbt.compiler.IC$.incrementalCompile(IncrementalCompiler.scala:138)
at sbt.Compiler$.compile(Compiler.scala:155)
at sbt.Compiler$.compile(Compiler.scala:141)
at sbt.Defaults$.sbt$Defaults$$compileIncrementalTaskImpl(Defaults.scala:879)
at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:870)
at sbt.Defaults$$anonfun$compileIncrementalTask$1.apply(Defaults.scala:868)
at scala.Function1$$anonfun$compose$1.apply(Function1.scala:47)
at sbt.$tilde$greater$$anonfun$$u2219$1.apply(TypeFunctions.scala:40)
at sbt.std.Transform$$anon$4.work(System.scala:63)
at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228)
at sbt.Execute$$anonfun$submit$1$$anonfun$apply$1.apply(Execute.scala:228)
at sbt.ErrorHandling$.wideConvert(ErrorHandling.scala:17)
at sbt.Execute.work(Execute.scala:237)
at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228)
at sbt.Execute$$anonfun$submit$1.apply(Execute.scala:228)
at sbt.ConcurrentRestrictions$$anon$4$$anonfun$1.apply(ConcurrentRestrictions.scala:159)
at sbt.CompletionService$$anon$2.call(CompletionService.scala:28)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
[error] (test:compileIncremental) org.scalameta.invariants.InvariantFailedException: invariant failed:
[error] when verifying stats.forall(((x$1: scala.meta.Stat) => scala.meta.internal.ast.Helpers.XtensionStat(x$1).isBlockStat))
[error] found that stats.forall(((x$1: scala.meta.Stat) => scala.meta.internal.ast.Helpers.XtensionStat(x$1).isBlockStat)) is false
[error] where stats = List(val a: String, class A(val a: String))
import scala.collection.immutable.Seq
import scala.meta._
class Field(fieldName: String) extends scala.annotation.StaticAnnotation {
inline def apply(defn: Any): Any = meta {
val fieldName = this match {
case q"new $_(${Lit(tableName: String)})" => tableName
case _ => abort("@Field expects a string to be provided")
}
defn match {
case Term.Block(Seq(cls @ Defn.Class(_, name, _, _, _), companion: Defn.Object)) =>
abort("class and object")
case cls @ Defn.Class(_, name, _, _, _) => abort("class")
case q"${name: Pat.Var.Term}" => abort("IDK")
case _ => abort("@Field must annotate a class' constructor params")
}
}
}
@shyamsalimkumar
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