obsolete, scala versions work

2 files changed, 0 insertions, 190 deletions

diff --git a/sources/scalac/transformer/TransMatch.java b/sources/scalac/transformer/TransMatch.java
deleted file mode 100644
index e64191f385..0000000000
--- a/sources/scalac/transformer/TransMatch.java
+++ /dev/null
@@ -1,146 +0,0 @@
-/*     ____ ____  ____ ____  ______                                     *\
-**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
-**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
-** /_____/\____/\___/\____/____/                                        **
-\*                                                                      */
-
-// $Id$
-
-package scalac.transformer;
-
-import java.io.*;
-import java.util.*;
-import scalac.*;
-import scalac.ast.*;
-import scalac.symtab.*;
-import scalac.util.*;       // Names
-import Tree.*;
-
-import scalac.transformer.matching.PatternMatcher ;
-import scalac.transformer.matching.TestRegTraverser ;
-import scalac.transformer.matching.AlgebraicMatcher ;
-
-/** A transformer for expanding match expressions into
- *  flat sequences of .is and .as method calls
- *
- *  @author     Matthias Zenger, Burak Emir
- *  @version    1.1
- */
-public class TransMatch extends OwnerTransformer {
-
-      /** container. classes AlgebraicMatcher and SequenceMatcher get input and store their results in here.
-       *  resembles the 'Memento' design pattern, could also be named 'Liaison'
-       */
-    public static class Matcher {
-
-        /** owner of the code we create (input)
-         */
-        public Symbol owner;
-
-        /** the selector value (input)
-         */
-        public Tree   selector;
-
-        /** type of the result of the whole match (input)
-         */
-        public Type   resultType;
-
-        /** tree representing the matcher (output)
-         */
-        public Tree   tree;
-
-        public int pos;
-
-        public HashMap varMap;    // needed in LeftTracerInScala
-        public Tree[]  stms;      // needed in LeftTracerInScala
-
-        public Matcher(Symbol owner,
-                       Tree root,
-                       Type resultType) {
-
-            assert( owner != null ) : "owner is null";
-            assert owner != Symbol.NONE ;
-            this.owner      = owner;
-
-            assert root != null;
-            assert root.type != null;
-            this.selector   = root;
-
-            assert this.resultType != Type.NoType;
-            this.resultType = resultType;
-
-            this.pos        = root.pos; // for convenience only
-
-        }
-
-    }
-
-    Unit unit;
-
-    public TransMatch(Global global) {
-        super(global);
-    }
-
-    public void apply(Unit unit) {
-        this.unit = unit;
-        super.apply(unit);
-    }
-
-    protected Tree transform(Tree root, CaseDef[] cases, Type restpe) {
-        boolean containsReg = false;
-        int i = 0;
-        while (i < cases.length) {
-            containsReg = TestRegTraverser.apply(cases[i]) || containsReg;
-            Set nilvars = TestRegTraverser.getNilVariables();
-            if(!nilvars.isEmpty()) {
-                //System.err.println("nilvars present");
-                Tree[] newBody = new Tree[ nilvars.size() ];
-                int j=0;
-                for( Iterator it = nilvars.iterator(); it.hasNext(); ) {
-                    Symbol v = (Symbol) it.next();
-                    newBody[ j++ ] = gen.ValDef(v, gen.mkNil(cases[i].pos));
-                }
-                cases[i].body = gen.mkBlock( newBody, cases[i].body );
-            }
-            i++;
-        }
-        if (containsReg) {
-            AlgebraicMatcher am = new AlgebraicMatcher( unit );
-            Matcher matcher = new Matcher( currentOwner, root, restpe );
-            am.construct( matcher, cases );
-            return matcher.tree;
-        } else {
-            PatternMatcher pm = new PatternMatcher(unit, root,
-                                                   currentOwner, restpe);
-            pm.construct(cases);
-            if (global.log()) {
-                global.log("internal pattern matching structure");
-                pm.print();
-            }
-            return pm.toTree();
-        }
-    }
-
-    public Tree transform(Tree tree) {
-        if (tree == null)
-            return null;
-        switch (tree) {
-            case Apply(Select( Tree receiver, Names.match ), Tree[] args):
-                if ((args != null) && (args.length == 1))
-                    switch (args[0]) {
-                        case Visitor(CaseDef[] cases):
-                            return transform(transform(receiver), transform(cases), tree.type);
-                    }
-                return tree;
-            case Apply(TypeApply(Select( Tree receiver, Names.match ), Tree[] targs), Tree[] args):
-                if ((args != null) && (args.length == 1))
-                    switch (args[0]) {
-                        case Visitor(CaseDef[] cases):
-                            return transform(transform(receiver), transform(cases), tree.type);
-                    }
-                return tree;
-            default:
-                return super.transform(tree);
-        }
-    }
-}
diff --git a/sources/scalac/transformer/TransMatchPhase.java b/sources/scalac/transformer/TransMatchPhase.java
deleted file mode 100644
index 2d9fea2eae..0000000000
--- a/sources/scalac/transformer/TransMatchPhase.java
+++ /dev/null
@@ -1,44 +0,0 @@
-/*     ____ ____  ____ ____  ______                                     *\
-**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
-**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
-** /_____/\____/\___/\____/____/                                        **
-\*                                                                      */
-
-// $Id$
-
-package scalac.transformer;
-
-import scalac.Global;
-import scalac.Phase;
-import scalac.PhaseDescriptor;
-import scalac.Unit;
-import scalac.checkers.*;
-
-public class TransMatchPhase extends Phase {
-
-    //########################################################################
-    // Public Constructors
-
-    /** Initializes this instance. */
-    public TransMatchPhase(Global global, PhaseDescriptor descriptor) {
-        super(global, descriptor);
-    }
-
-    //########################################################################
-    // Public Methods
-
-    /** Applies this phase to the given compilation units. */
-    public void apply(Unit[] units) {
-        for (int i = 0; i < units.length; i++)
-            new TransMatch(global).apply(units[i]);
-    }
-
-    public Checker[] postCheckers(Global global) {
-        return new Checker[] {
-            new CheckSymbols(global),
-            new CheckTypes(global),
-        };
-    }
-
-    //########################################################################
-}