Fixes SI-6305 scala.tools.nsc.io split between jars.

* migrates scala.tools.nsc.io portions into scala.reflect.io
* marks all classes in scala.reflect.io experimental/internal
* rewires src/reflect to use new io locations
* creates forwarders in scala.tools.nsci.io package object.

src/compiler/scala/tools/nsc/io/package.scala

@@ -11,6 +11,23 @@ import java.util.jar.{ Attributes }
 import scala.language.implicitConversions
 
 package object io {
+  // Forwarders from scala.reflect.io
+  type AbstractFile = scala.reflect.io.AbstractFile
+  val AbstractFile = scala.reflect.io.AbstractFile
+  type Directory = scala.reflect.io.Directory
+  val Directory = scala.reflect.io.Directory
+  type File = scala.reflect.io.File
+  val File = scala.reflect.io.File
+  type Path = scala.reflect.io.Path
+  val Path = scala.reflect.io.Path
+  type PlainFile = scala.reflect.io.PlainFile
+  val PlainFile = scala.reflect.io.PlainFile
+  val Streamable = scala.reflect.io.Streamable
+  type VirtualDirectory = scala.reflect.io.VirtualDirectory
+  type VirtualFile = scala.reflect.io.VirtualFile
+  val ZipArchive = scala.reflect.io.ZipArchive
+  type ZipArchive = scala.reflect.io.ZipArchive
+
   implicit def postfixOps = scala.language.postfixOps // make all postfix ops in this package compile without warning
 
   type JManifest = java.util.jar.Manifest

src/reflect/scala/reflect/api/Symbols.scala

@@ -18,7 +18,7 @@ trait Symbols extends base.Symbols { self: Universe =>
     /** Source file if this symbol is created during this compilation run,
      *  or a class file if this symbol is loaded from a *.class or *.jar.
      */
-    def associatedFile: scala.tools.nsc.io.AbstractFile
+    def associatedFile: scala.reflect.io.AbstractFile
 
     /** A list of annotations attached to this Symbol.
      */

src/reflect/scala/reflect/internal/Symbols.scala

@@ -12,7 +12,7 @@ import util.Statistics
 import Flags._
 import base.Attachments
 import scala.annotation.tailrec
-import scala.tools.nsc.io.AbstractFile
+import scala.reflect.io.AbstractFile
 
 trait Symbols extends api.Symbols { self: SymbolTable =>
   import definitions._

src/reflect/scala/reflect/internal/util/SourceFile.scala

@@ -6,7 +6,7 @@
 
 package scala.reflect.internal.util
 
-import scala.tools.nsc.io.{ AbstractFile, VirtualFile }
+import scala.reflect.io.{ AbstractFile, VirtualFile }
 import scala.collection.mutable.ArrayBuffer
 import scala.annotation.tailrec
 import java.util.regex.Pattern

src/reflect/scala/tools/nsc/io/AbstractFile.scala → src/reflect/scala/reflect/io/AbstractFile.scala

@@ -4,7 +4,7 @@
  */
 
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.{ FileOutputStream, IOException, InputStream, OutputStream, BufferedOutputStream }
@@ -13,6 +13,10 @@ import java.net.URL
 import scala.collection.mutable.ArrayBuffer
 
 /**
+ * An abstraction over files for use in the reflection/compiler libraries.
+ * 
+ * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
+ *  
  * @author Philippe Altherr
  * @version 1.0, 23/03/2004
  */
@@ -81,6 +85,8 @@ object AbstractFile {
  *   all other cases, the class <code>SourceFile</code> is used, which honors
  *   <code>global.settings.encoding.value</code>.
  * </p>
+ * 
+ * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 abstract class AbstractFile extends Iterable[AbstractFile] {
 

src/reflect/scala/tools/nsc/io/Directory.scala → src/reflect/scala/reflect/io/Directory.scala

@@ -6,11 +6,13 @@
 **                          |/                                          **
 \*                                                                      */
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.{ File => JFile }
-
+/**
+ * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
+ */
 object Directory {
   import scala.util.Properties.{ tmpDir, userHome, userDir }
 
@@ -34,6 +36,8 @@ import Path._
  *
  *  @author  Paul Phillips
  *  @since   2.8
+ *  
+ *  ''Note:  This is library is considered experimental and should not be used unless you know what you are doing.''
  */
 class Directory(jfile: JFile) extends Path(jfile) {
   override def toAbsolute: Directory = if (isAbsolute) this else super.toAbsolute.toDirectory

src/reflect/scala/tools/nsc/io/File.scala → src/reflect/scala/reflect/io/File.scala

@@ -7,7 +7,7 @@
 \*                                                                      */
 
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.{
@@ -17,7 +17,9 @@ import java.io.{ File => JFile }
 import java.nio.channels.{ Channel, FileChannel }
 import scala.io.Codec
 import scala.language.{reflectiveCalls, implicitConversions}
-
+/**
+ * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
+ */
 object File {
   def pathSeparator = java.io.File.pathSeparator
   def separator = java.io.File.separator
@@ -74,6 +76,8 @@ import Path._
  *
  *  @author  Paul Phillips
  *  @since   2.8
+ *  
+ *  ''Note:  This is library is considered experimental and should not be used unless you know what you are doing.''
  */
 class File(jfile: JFile)(implicit constructorCodec: Codec) extends Path(jfile) with Streamable.Chars {
   override val creationCodec = constructorCodec

src/reflect/scala/tools/nsc/io/FileOperationException.scala → src/reflect/scala/reflect/io/FileOperationException.scala

@@ -7,7 +7,7 @@
 \*                                                                      */
 
 
-package scala.tools.nsc
+package scala.reflect
 package io
-
+/** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
 case class FileOperationException(msg: String) extends RuntimeException(msg)

src/reflect/scala/tools/nsc/io/NoAbstractFile.scala → src/reflect/scala/reflect/io/NoAbstractFile.scala

@@ -3,14 +3,16 @@
  * @author  Paul Phillips
  */
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.InputStream
 import java.io.{ File => JFile }
 
 /** A distinguished object so you can avoid both null
  *  and Option.
+ *  
+ *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 object NoAbstractFile extends AbstractFile {
   def absolute: AbstractFile = this

src/reflect/scala/tools/nsc/io/Path.scala → src/reflect/scala/reflect/io/Path.scala

@@ -3,7 +3,7 @@
  * @author Paul Phillips
  */
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.{
@@ -27,8 +27,9 @@ import scala.language.implicitConversions
  *
  *  @author  Paul Phillips
  *  @since   2.8
+ *  
+ *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
-
 object Path {
   def isExtensionJarOrZip(jfile: JFile): Boolean = isExtensionJarOrZip(jfile.getName)
   def isExtensionJarOrZip(name: String): Boolean = {
@@ -83,6 +84,8 @@ import Path._
 
 /** The Path constructor is private so we can enforce some
  *  semantics regarding how a Path might relate to the world.
+ *  
+ *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 class Path private[io] (val jfile: JFile) {
   val separator = java.io.File.separatorChar

src/reflect/scala/tools/nsc/io/PlainFile.scala → src/reflect/scala/reflect/io/PlainFile.scala

@@ -4,12 +4,12 @@
  */
 
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.{ FileInputStream, FileOutputStream, IOException }
 import PartialFunction._
-
+/** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
 object PlainFile {
   /**
    * If the specified File exists, returns an abstract file backed
@@ -20,14 +20,16 @@ object PlainFile {
     else if (file.isFile) new PlainFile(file)
     else null
 }
-
+/** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
 class PlainDirectory(givenPath: Directory) extends PlainFile(givenPath) {
   override def isDirectory = true
   override def iterator = givenPath.list filter (_.exists) map (x => new PlainFile(x))
   override def delete(): Unit = givenPath.deleteRecursively()
 }
 
 /** This class implements an abstract file backed by a File.
+ * 
+ * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 class PlainFile(val givenPath: Path) extends AbstractFile {
   assert(path ne null)

src/reflect/scala/tools/nsc/io/Streamable.scala → src/reflect/scala/reflect/io/Streamable.scala

@@ -3,7 +3,7 @@
  * @author Paul Phillips
  */
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.net.{ URI, URL }
@@ -17,12 +17,15 @@ import Path.fail
  *
  *  @author Paul Phillips
  *  @since  2.8
+ *  
+ *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
-
 object Streamable {
   /** Traits which can be viewed as a sequence of bytes.  Source types
    *  which know their length should override def length: Long for more
    *  efficient method implementations.
+   *  
+   *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
    */
   trait Bytes {
     def inputStream(): InputStream
@@ -66,6 +69,8 @@ object Streamable {
   }
 
   /** For objects which can be viewed as Chars.
+   * 
+   * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
    */
   trait Chars extends Bytes {
     /** Calls to methods requiring byte<->char transformations should be offered

src/reflect/scala/tools/nsc/io/VirtualDirectory.scala → src/reflect/scala/reflect/io/VirtualDirectory.scala

@@ -2,7 +2,7 @@
  * Copyright 2005-2012 LAMP/EPFL
  */
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import scala.collection.mutable
@@ -11,6 +11,8 @@ import scala.collection.mutable
  * An in-memory directory.
  *
  * @author Lex Spoon
+ * 
+ * ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 class VirtualDirectory(val name: String, maybeContainer: Option[VirtualDirectory])
 extends AbstractFile {

src/reflect/scala/tools/nsc/io/VirtualFile.scala → src/reflect/scala/reflect/io/VirtualFile.scala

@@ -4,7 +4,7 @@
  */
 
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.io.{ ByteArrayInputStream, ByteArrayOutputStream, InputStream, OutputStream }
@@ -14,6 +14,8 @@ import java.io.{ File => JFile }
  *
  *  @author  Philippe Altherr
  *  @version 1.0, 23/03/2004
+ *  
+ *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 class VirtualFile(val name: String, override val path: String) extends AbstractFile {
   /**

src/reflect/scala/tools/nsc/io/ZipArchive.scala → src/reflect/scala/reflect/io/ZipArchive.scala

@@ -3,7 +3,7 @@
  * @author  Paul Phillips
  */
 
-package scala.tools.nsc
+package scala.reflect
 package io
 
 import java.net.URL
@@ -20,6 +20,8 @@ import scala.annotation.tailrec
  *  @author  Philippe Altherr (original version)
  *  @author  Paul Phillips (this one)
  *  @version 2.0,
+ *  
+ *  ''Note:  This library is considered experimental and should not be used unless you know what you are doing.''
  */
 object ZipArchive {
   def fromPath(path: String): FileZipArchive = fromFile(new JFile(path))
@@ -57,7 +59,7 @@ object ZipArchive {
   }
 }
 import ZipArchive._
-
+/** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
 abstract class ZipArchive(override val file: JFile) extends AbstractFile with Equals {
   self =>
 
@@ -78,13 +80,14 @@ abstract class ZipArchive(override val file: JFile) extends AbstractFile with Eq
     }
   }
   def deepIterator = walkIterator(iterator)
-
+  /** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
   sealed abstract class Entry(path: String) extends VirtualFile(baseName(path), path) {
     // have to keep this name for compat with sbt's compiler-interface
     def getArchive: ZipFile = null
     override def underlyingSource = Some(self)
     override def toString = self.path + "(" + path + ")"
   }
+  /** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
   class DirEntry(path: String) extends Entry(path) {
     val entries = mutable.HashMap[String, Entry]()
 
@@ -120,7 +123,7 @@ abstract class ZipArchive(override val file: JFile) extends AbstractFile with Eq
     else ensureDir(dirs, dirName(entry.getName), null)
   }
 }
-
+/** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
 final class FileZipArchive(file: JFile) extends ZipArchive(file) {
   def iterator: Iterator[Entry] = {
     val zipFile = new ZipFile(file)
@@ -161,7 +164,7 @@ final class FileZipArchive(file: JFile) extends ZipArchive(file) {
     case _                 => false
   }
 }
-
+/** ''Note:  This library is considered experimental and should not be used unless you know what you are doing.'' */
 final class URLZipArchive(val url: URL) extends ZipArchive(null) {
   def iterator: Iterator[Entry] = {
     val root     = new DirEntry("/")

src/reflect/scala/reflect/runtime/ReflectionUtils.scala

@@ -49,7 +49,7 @@ object ReflectionUtils {
       case cl: java.net.URLClassLoader =>
         (cl.getURLs mkString ",")
       case cl if cl != null && isAbstractFileClassLoader(cl.getClass) =>
-        cl.asInstanceOf[{val root: scala.tools.nsc.io.AbstractFile}].root.canonicalPath
+        cl.asInstanceOf[{val root: scala.reflect.io.AbstractFile}].root.canonicalPath
       case null =>
         inferBootClasspath
       case _ =>

src/reflect/scala/reflect/runtime/SynchronizedSymbols.scala

@@ -1,7 +1,7 @@
 package scala.reflect
 package runtime
 
-import scala.tools.nsc.io.AbstractFile
+import scala.reflect.io.AbstractFile
 
 trait SynchronizedSymbols extends internal.Symbols { self: SymbolTable =>