我想在Ammonite REPL中创建一个Scala演示编译器，但我总是得到Missing dependency 'object scala in compiler mirror'的错误。
我尝试了object scala in compiler mirror not found - running Scala compiler programatically中提到的解决方法。不幸的是它不起作用。
如何让它发挥作用？
Welcome to the Ammonite Repl 1.0.0
(Scala 2.12.2 Java 1.8.0_131)
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@ import scala.tools.nsc.Settings
import scala.tools.nsc.Settings
@ import scala.tools.nsc.interactive.Global
import scala.tools.nsc.interactive.Global
@ import scala.tools.nsc.reporters.ConsoleReporter
import scala.tools.nsc.reporters.ConsoleReporter
@ val settings = new Settings()
settings: Settings = Settings {
-d = .
}
@ settings.usejavacp.value = true
@ val reporter = new ConsoleReporter(settings)
reporter: ConsoleReporter = scala.tools.nsc.reporters.ConsoleReporter@4a24170b
@ val compiler = new Global(settings, reporter)
error: error while loading Object, Missing dependency 'object scala in compiler mirror', required by /Library/Java/JavaVirtualMachines/jdk1.8.0_131.jdk/Contents/Home/jre/lib/rt.jar(java/lang/Object.class)
scala.reflect.internal.MissingRequirementError: object scala in compiler mirror not found.
scala.reflect.internal.MissingRequirementError$.signal(MissingRequirementError.scala:17)
scala.reflect.internal.MissingRequirementError$.notFound(MissingRequirementError.scala:18)
scala.reflect.internal.Mirrors$RootsBase.$anonfun$getModuleOrClass$4(Mirrors.scala:54)
scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:54)
scala.reflect.internal.Mirrors$RootsBase.getModuleOrClass(Mirrors.scala:66)
scala.reflect.internal.Mirrors$RootsBase.getPackage(Mirrors.scala:172)
scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackage$lzycompute(Definitions.scala:169)
scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackage(Definitions.scala:169)
scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackageClass$lzycompute(Definitions.scala:170)
scala.reflect.internal.Definitions$DefinitionsClass.ScalaPackageClass(Definitions.scala:170)
scala.reflect.internal.Definitions$DefinitionsClass.init(Definitions.scala:1447)
scala.tools.nsc.Global$Run.<init>(Global.scala:1149)
scala.tools.nsc.interactive.Global$TyperRun.<init>(Global.scala:1308)
scala.tools.nsc.interactive.Global.newTyperRun(Global.scala:1331)
scala.tools.nsc.interactive.Global.<init>(Global.scala:286)
ammonite.$sess.cmd6$.<init>(cmd6.sc:1)
ammonite.$sess.cmd6$.<clinit>(cmd6.sc)
相同的代码适用于官方Scala REPL。
Welcome to Scala 2.12.2 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_131).
Type in expressions for evaluation. Or try :help.
scala> import scala.tools.nsc.Settings
import scala.tools.nsc.Settings
scala> import scala.tools.nsc.interactive.Global
import scala.tools.nsc.interactive.Global
scala> import scala.tools.nsc.reporters.ConsoleReporter
import scala.tools.nsc.reporters.ConsoleReporter
scala> val settings = new Settings()
settings: scala.tools.nsc.Settings =
Settings {
-d = .
}
scala> settings.usejavacp.value = true
settings.usejavacp.value: Boolean = true
scala> val reporter = new ConsoleReporter(settings)
reporter: scala.tools.nsc.reporters.ConsoleReporter = scala.tools.nsc.reporters.ConsoleReporter@7eeb38b2
scala> val compiler = new Global(settings, reporter)
compiler: scala.tools.nsc.interactive.Global = scala.tools.nsc.interactive.Global@3b6a4b91