- Removed TreeSymbolCloner.java

1 files changed, 0 insertions, 103 deletions

diff --git a/sources/scalac/ast/TreeSymbolCloner.java b/sources/scalac/ast/TreeSymbolCloner.java
deleted file mode 100644
index 70b1b236c3..0000000000
--- a/sources/scalac/ast/TreeSymbolCloner.java
+++ /dev/null
@@ -1,103 +0,0 @@
-/*     ____ ____  ____ ____  ______                                     *\
-**    / __// __ \/ __// __ \/ ____/    SOcos COmpiles Scala             **
-**  __\_ \/ /_/ / /__/ /_/ /\_ \       (c) 2002, LAMP/EPFL              **
-** /_____/\____/\___/\____/____/                                        **
-\*                                                                      */
-
-// $Id$
-
-package scalac.ast;
-
-import java.util.Map;
-import java.util.HashMap;
-
-import scalac.symtab.Symbol;
-import scalac.symtab.SymbolCloner;
-import scalac.util.Name;
-import scalac.util.Debug;
-
-/**
- * This class implements a tree traverser that clones specified
- * symbols it encounters.
- */
-public class TreeSymbolCloner extends Traverser {
-
-    //########################################################################
-    // Private Fields
-
-    // !!! replace Idents in patterns by ValDefs and remove this field
-    /** Indicates whether we are in a pattern */
-    private boolean inPattern = false;
-
-    //########################################################################
-    // Public Fields
-
-    /** The symbol cloner used to clone symbols */
-    public final SymbolCloner cloner;
-
-    //########################################################################
-    // Public Constructors
-
-    /** Initializes a new instance. */
-    public TreeSymbolCloner(SymbolCloner cloner) {
-        this.cloner = cloner;
-    }
-
-    //########################################################################
-    // Public Methods
-
-    /**
-     * Returns true iff the symbol of the given tree symbol must be
-     * cloned. The default implementation returns true iff the tree
-     * defines a symbol and that symbol hasn't been cloned yet.
-     */
-    public boolean mustCloneSymbolOf(Tree tree) {
-        // !!! replace Idents in patterns by ValDefs and remove this switch
-        switch (tree) {
-        case Ident(Name name):
-            if (!inPattern || !name.isVariable()) return false; else break;
-        default:
-            if (!tree.definesSymbol()) return false; else break;
-        }
-        return !cloner.clones.containsKey(tree.symbol());
-    }
-
-    /**
-     * Clones the given symbol. The default implementation invokes
-     * getOwnerOfCloneOf to obtain the owner of the cloned symbol and
-     * then invokes the symbol cloner to clone the symbol.
-     */
-    public Symbol cloneSymbol(Symbol symbol) {
-        return cloner.cloneSymbol(symbol);
-    }
-
-    /**
-     * Traverses the tree and clones symbols. The default
-     * implemenation invokes cloneSymbol with the symbol of every tree
-     * nodes for which mustCloneSymbolOf returns true.
-     */
-    public void traverse(Tree tree) {
-        if (mustCloneSymbolOf(tree)) cloneSymbol(tree.symbol());
-        // !!!replace Idents in patterns by ValDefs and remove this switch
-        switch (tree) {
-        case PatDef(_, Tree pat, Tree rhs):
-            inPattern = true;
-            traverse(pat);
-            inPattern = false;
-            traverse(rhs);
-            return;
-        case CaseDef(Tree pat, Tree guard, Tree body):
-            inPattern = true;
-            traverse(pat);
-            inPattern = false;
-            traverse(guard);
-            traverse(body);
-            return;
-        default:
-            super.traverse(tree);
-            return;
-        }
-    }
-
-    //########################################################################
-}