obso, put utility fun in transmatcher, where ev...

obso, put utility fun in transmatcher, where everybody sees it

1 files changed, 0 insertions, 78 deletions

diff --git a/sources/scala/tools/nsc/matching/PatternUtil.scala b/sources/scala/tools/nsc/matching/PatternUtil.scala
deleted file mode 100644
index 475446eb56..0000000000
--- a/sources/scala/tools/nsc/matching/PatternUtil.scala
+++ /dev/null
@@ -1,78 +0,0 @@
-/*     ____ ____  ____ ____  ______                                     *\
-**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
-**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002-2005, LAMP/EPFL         **
-** /_____/\____/\___/\____/____/                                        **
-**                                                                      **
-\*                                                                      */
-
-// $Id$
-
-package scala.tools.nsc.matching;
-
-import scala.tools.util.Position;
-
-/** utility functions
- */
-abstract class PatternUtil {
-/*
-  val global: Global;
-
-  import global._;
-
-  var pos: Position;
-
-  var unit: CompilationUnit = _;
-
-  import global.definitions;
-
-  def containsBinding(pat: Tree): Boolean = {
-    var generatedVars = false;
-
-    def handleVariableSymbol(sym: Symbol): Unit  =
-      if (sym.name.toString().indexOf("$") == -1) {
-        generatedVars = true; // .add(sym);
-      }
-
-    def isVariableName(name: Name): Boolean =
-      ( treeInfo.isVariableName(name) ) && ( name != nme.USCOREkw ) ;
-
-    def isVariableSymbol(sym: Symbol): Boolean =
-      ( sym != null )&&( !sym.isPrimaryConstructor );
-
-    def traverse(tree: Tree): Unit = {
-
-      tree match {
-        case x @ Ident(name) =>
-          if(x.symbol != definitions.PatternWildcard)
-            error("shouldn't happen?!");
-
-        case Bind(name, subtree) =>
-          var sym: Symbol = _;
-
-        if (isVariableName(name)
-            && isVariableSymbol( {sym = tree.symbol; tree.symbol} ))
-          handleVariableSymbol(sym);
-
-        traverse( subtree );
-
-        // congruence
-
-        case Apply(fun, args) => args foreach traverse;
-        case Sequence(trees)  => trees foreach traverse
-        case Star(arg)        => traverse(arg)
-        case Typed(expr, tpe) => traverse(expr); // needed??
-
-        case  _ : Select |
-               _ : Alternative |
-               _ : Select |
-               _ : Literal =>  ; // no variables
-
-        case _ =>
-          error("unknown pattern node:" + tree + " = " + tree.getClass());
-      }
-    }
-    traverse(pat);
-    generatedVars;
-  }
-*/
-} // class PatternUtil