obsolete

1 files changed, 0 insertions, 47 deletions

diff --git a/sources/scalac/transformer/matching/TestRegTraverser.scala b/sources/scalac/transformer/matching/TestRegTraverser.scala
deleted file mode 100644
index b00de87626..0000000000
--- a/sources/scalac/transformer/matching/TestRegTraverser.scala
+++ /dev/null
@@ -1,47 +0,0 @@
-/*     ____ ____  ____ ____  ______                                     *\
-**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
-**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
-** /_____/\____/\___/\____/____/                                        **
-**                                                                      **
-** $Id$
-\*                                                                      */
-
-package scalac.transformer.matching;
-
-import scalac.Global;
-import scalac.ast._;
-import scalac.util._;
-import scalac.symtab._;
-
-import java.util.{Set,HashSet};
-
-object TestRegTraverser extends Traverser {
-
-  var result:boolean = false;
-  var variables:Set = null:Set;
-
-  override def traverse( tree:Tree ):Unit = {
-
-    tree.match {
-      case Tree$Alternative(_) =>
-	result = true;
-      case Tree$Bind(_, pat) =>
-	variables.add(tree.symbol());
-	traverse(pat);
-      case Tree$Ident( name ) =>
-	val symbol = tree.symbol();
-        result = ((symbol != Global.instance.definitions.PATTERN_WILDCARD)
-		  && variables.contains(symbol))
-      case Tree$CaseDef(pat, _, _) =>
-	traverse(pat);
-      case _ =>
-	super.traverse( tree );
-    }
-  }
-
-  def apply(t:Tree):boolean = {
-    variables = new HashSet();
-    traverse(t);
-    result
-  }
-}