diff options
Diffstat (limited to 'src/compiler/scala/reflect/macros/runtime/MacroRuntimes.scala')
-rw-r--r-- | src/compiler/scala/reflect/macros/runtime/MacroRuntimes.scala | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/src/compiler/scala/reflect/macros/runtime/MacroRuntimes.scala b/src/compiler/scala/reflect/macros/runtime/MacroRuntimes.scala index 5fd9c0db34..d4b8175d28 100644 --- a/src/compiler/scala/reflect/macros/runtime/MacroRuntimes.scala +++ b/src/compiler/scala/reflect/macros/runtime/MacroRuntimes.scala @@ -1,8 +1,12 @@ package scala.reflect.macros package runtime +import java.net.URLClassLoader + import scala.reflect.internal.Flags._ +import scala.reflect.internal.util.ScalaClassLoader import scala.reflect.runtime.ReflectionUtils +import scala.reflect.internal.util.AbstractFileClassLoader trait MacroRuntimes extends JavaReflectionRuntimes { self: scala.tools.nsc.typechecker.Analyzer => @@ -44,7 +48,15 @@ trait MacroRuntimes extends JavaReflectionRuntimes { * which compiles implementations into a virtual directory (very much like REPL does) and then conjures * a classloader mapped to that virtual directory. */ - lazy val defaultMacroClassloader: ClassLoader = findMacroClassLoader() + private lazy val defaultMacroClassloaderCache = { + def attemptClose(loader: ClassLoader): Unit = loader match { + case u: URLClassLoader => debuglog("Closing macro runtime classloader"); u.close() + case afcl: AbstractFileClassLoader => attemptClose(afcl.getParent) + case _ => ??? + } + perRunCaches.newGeneric(findMacroClassLoader, attemptClose _) + } + def defaultMacroClassloader: ClassLoader = defaultMacroClassloaderCache() /** Abstracts away resolution of macro runtimes. */ |