From afc755916f7e67f1f2c899972de8801b1ef62543 Mon Sep 17 00:00:00 2001
From: Paul Phillips <paulp@improving.org>
Date: Sat, 26 Nov 2011 07:39:27 +0000
Subject: Annotations reacquainted with reification.

Had AnnotationInfo extend Product3 since it's no longer a case class.
Tried to make reflection a little more robust. Closes SI-5223, review by
vogt.
---
 src/library/scala/runtime/ScalaRunTime.scala | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src/library')

diff --git a/src/library/scala/runtime/ScalaRunTime.scala b/src/library/scala/runtime/ScalaRunTime.scala
index aa4830369e..951bdd888e 100644
--- a/src/library/scala/runtime/ScalaRunTime.scala
+++ b/src/library/scala/runtime/ScalaRunTime.scala
@@ -31,6 +31,12 @@ object ScalaRunTime {
     clazz.isArray && (atLevel == 1 || isArrayClass(clazz.getComponentType, atLevel - 1))
 
   def isValueClass(clazz: Class[_]) = clazz.isPrimitive()
+  def isTuple(x: Any) = tupleNames(x.getClass.getName)
+  def isAnyVal(x: Any) = x match {
+    case _: Byte | _: Short | _: Char | _: Int | _: Long | _: Float | _: Double | _: Boolean | _: Unit => true
+    case _                                                                                             => false
+  }
+  private val tupleNames = 1 to 22 map ("scala.Tuple" + _) toSet
 
   /** Return the class object representing an unboxed value type,
    *  e.g. classOf[int], not classOf[java.lang.Integer].  The compiler
@@ -273,9 +279,6 @@ object ScalaRunTime {
     def isScalaClass(x: AnyRef) =
       Option(x.getClass.getPackage) exists (_.getName startsWith "scala.")
 
-    def isTuple(x: AnyRef) =
-      x.getClass.getName matches """^scala\.Tuple(\d+).*"""
-
     // When doing our own iteration is dangerous
     def useOwnToString(x: Any) = x match {
       // Node extends NodeSeq extends Seq[Node] and MetaData extends Iterable[MetaData]
-- 
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