1 files changed, 64 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/ClassLoaders.scala b/src/compiler/scala/tools/nsc/ClassLoaders.scala
new file mode 100644
index 0000000000..4058ee9324
--- /dev/null
+++ b/src/compiler/scala/tools/nsc/ClassLoaders.scala
@@ -0,0 +1,64 @@
+package scala.tools.nsc
+
+import util.ScalaClassLoader
+
+trait ClassLoaders { self: Global =>
+
+  def staticClass(fullname: String) = {
+    if (self.forMSIL)
+      throw new UnsupportedOperationException("Scala reflection not available on this platform")
+
+    getClass(newTypeName(fullname))
+  }
+
+  def staticModule(fullname: String) = {
+    if (self.forMSIL)
+      throw new UnsupportedOperationException("Scala reflection not available on this platform")
+
+    getModule(newTermName(fullname))
+  }
+
+  private def getClass(fullname: Name): Symbol = {
+    var result = getModuleOrClass(fullname.toTypeName)
+    while (result.isAliasType) result = result.info.typeSymbol
+    result
+  }
+
+  private def getModule(fullname: Name): Symbol =
+    getModuleOrClass(fullname.toTermName)
+
+  private def getModuleOrClass(path: Name): Symbol =
+    getModuleOrClass(path, path.length)
+
+  private def getModuleOrClass(path: Name, len: Int): Symbol = {
+    val point = path lastPos('.', len - 1)
+    val owner =
+      if (point > 0) getModuleOrClass(path.toTermName, point)
+      else definitions.RootClass
+    val name = path subName (point + 1, len)
+    val sym = owner.info member name
+    val result = if (path.isTermName) sym.suchThat(_ hasFlag symtab.Flags.MODULE) else sym
+    if (result != NoSymbol) result
+    else {
+      if (settings.debug.value) { log(sym.info); log(sym.info.members) }//debug
+      if (owner.isRoot && isJavaClass(name.toString))
+        definitions.EmptyPackageClass.info decl name
+      else {
+        def info(msg: => String) = if (settings.verbose.value) println(msg)
+        info("*** missing: "+name+"/"+name.isTermName+"/"+owner+"/"+owner.hasPackageFlag+"/"+owner.info.decls.getClass)
+        MissingRequirementError.notFound((if (path.isTermName) "object " else "class ")+path)
+      }
+    }
+  }
+
+  private def isJavaClass(path: String): Boolean =
+    try {
+      val classpath = platform.classPath.asURLs
+      var classLoader = ScalaClassLoader.fromURLs(classpath)
+      Class.forName(path, true, classLoader)
+      true
+    } catch {
+      case (_: ClassNotFoundException) | (_: NoClassDefFoundError) | (_: IncompatibleClassChangeError) =>
+      false
+    }
+}