gone with this

1 files changed, 0 insertions, 131 deletions

diff --git a/sources/scalac/transformer/matching/Label.java b/sources/scalac/transformer/matching/Label.java
deleted file mode 100644
index 30a105dec4..0000000000
--- a/sources/scalac/transformer/matching/Label.java
+++ /dev/null
@@ -1,131 +0,0 @@
-package scalac.transformer.matching ;
-
-import scalac.ast.Tree ;
-import scalac.ast.TreeInfo ;
-import scalac.symtab.Symbol ;
-import scalac.symtab.Type ;
-import Tree.Literal ;
-
-/** this class represents the label that a transition in an automaton may carry.
- *  these get translated to specific (boolean) tests
- */
-
-public class Label {
-
-
-      public case DefaultLabel;
-      public case SimpleLabel( Literal lit );
-      public case TreeLabel( Tree pat ); // Apply, Sequence
-
-      public case TypeLabel( Type tpe ); // Apply, Sequence
-
-      public case Pair( Integer state, Label lab );
-
-      //public case RLabel( Object rstate, Label lab, Symbol vars[] );
-
-      public int hashCode() {
-            switch( this ) {
-            case DefaultLabel:
-                  return 0;
-            case SimpleLabel( Literal lit ):
-                  return lit.value.hashCode();
-            case TreeLabel( Tree pat ):
-                // if pat is an  Apply, than this case can only be correctly
-                // handled there are no other similar Applys (nondeterminism)
-                return pat.type().hashCode();
-            case TypeLabel( Type type ):
-                  return type.hashCode();
-            default:
-                  return super.hashCode();
-            }
-      }
-
-      public boolean equals( Object o ) {
-            if( !(o instanceof Label ))
-                  return false;
-            Label oL = (Label) o;
-            //System.out.print(this + " equals " + oL);
-            switch( this ) {
-            case DefaultLabel:
-                  switch( oL ) {
-                  case DefaultLabel:
-                        return true;
-                  } //
-                  break;
-            case SimpleLabel( Literal lit ):
-                  switch( oL ) {
-                  case SimpleLabel( Literal lit2 ):
-                        return /*(lit.kind == lit2.kind)
-				 && */lit.value.equals( lit2.value );
-                  }
-                  break;
-            case TreeLabel( Tree pat ):
-                  switch( oL ) {
-                  case TreeLabel( Tree pat2 ):
-		      switch( pat ) {
-		      case Apply( _, _ ):
-			  switch( pat2 ) {
-			  case Apply( _, _ ):
-			      return TreeInfo.methSymbol( pat ) == TreeInfo.methSymbol( pat2 );
-			  }
-		      }
-		      return pat == pat2;
-                  }
-                  break ;
-            case TypeLabel( Type tpe ):
-                  switch( oL ) {
-                  case TypeLabel( Type tpe2):
-                        return tpe.equals( tpe2 );
-                  }
-                  break ;
-            case Pair( Integer state, Label lab ):
-                  switch( oL ) {
-                  case Pair(  Integer state2, Label lab2 ):
-                        return  state.equals( state2 )
-                                 && lab.equals( lab2 ) ;
-                  }
-                  break;
-            }
-            return false;
-      }
-
-
-      public String toString2() {
-            String ext = System.getProperty("extendedMatching");
-            if(( ext != null )
-               && ext.equals( "true" )) {
-                  switch( this ) {
-                  case DefaultLabel:
-                        return "<>:p"+p;
-                  case SimpleLabel( Literal lit ):
-                        return lit.toString()+":p"+p;
-                  case TreeLabel( Tree pat ):
-                        return pat.getType()+":p"+p;
-
-                  }
-            }
-            throw new scalac.ApplicationError
-                  ("this never happens");
-      }
-
-      public String toString() {
-
-            switch( this ) {
-            case DefaultLabel:
-                  return "<>";
-            case SimpleLabel( Literal lit):
-                  return lit.toString();
-            case TreeLabel( Tree pat):
-                  return pat.toString();
-            case TypeLabel( Type tpe ):
-                  return tpe.toString();
-            case Pair( Integer state, Label lab  ):
-                  return "("+state.toString()+","+lab.toString()+")";
-            }
-            throw new scalac.ApplicationError("this never happens");
-      }
-
-      int p = -1; // tree state - only needed for extended matching
-
-
-}