1 files changed, 0 insertions, 155 deletions
diff --git a/classpath/ikvm/internal/WeakIdentityMap.java b/classpath/ikvm/internal/WeakIdentityMap.java
deleted file mode 100644
index e73ae3d9..00000000
--- a/classpath/ikvm/internal/WeakIdentityMap.java
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
-  Copyright (C) 2006, 2007 Jeroen Frijters
-
-  This software is provided 'as-is', without any express or implied
-  warranty.  In no event will the authors be held liable for any damages
-  arising from the use of this software.
-
-  Permission is granted to anyone to use this software for any purpose,
-  including commercial applications, and to alter it and redistribute it
-  freely, subject to the following restrictions:
-
-  1. The origin of this software must not be misrepresented; you must not
-     claim that you wrote the original software. If you use this software
-     in a product, an acknowledgment in the product documentation would be
-     appreciated but is not required.
-  2. Altered source versions must be plainly marked as such, and must not be
-     misrepresented as being the original software.
-  3. This notice may not be removed or altered from any source distribution.
-
-  Jeroen Frijters
-  jeroen@frijters.net
-  
-*/
-package ikvm.internal;
-
-import cli.System.GC;
-import cli.System.WeakReference;
-
-@ikvm.lang.Internal
-public final class WeakIdentityMap
-{
-    private WeakReference[] keys = new WeakReference[16];
-    private Object[] values = new Object[keys.length];
-
-    public WeakIdentityMap()
-    {
-        for (int i = 0; i < keys.length; i++)
-        {
-            keys[i] = new WeakReference(null, true);
-            // NOTE we suppress finalization, to make sure the WeakReference continues to work
-            // while the AppDomain is finalizing for unload (note that for this to work,
-            // the code that instantiates us also has to call SuppressFinalize on us.)
-            GC.SuppressFinalize(keys[i]);
-        }
-    }
-
-    protected void finalize()
-    {
-        for (int i = 0; i < keys.length; i++)
-        {
-            if (keys[i] != null)
-            {
-                GC.ReRegisterForFinalize(keys[i]);
-            }
-        }
-    }
-
-    public synchronized Object remove(Object key)
-    {
-        for (int i = 0; i < keys.length; i++)
-        {
-            if (keys[i].get_Target() == key)
-            {
-		Object value = values[i];
-		keys[i].set_Target(null);
-		values[i] = null;
-                return value;
-            }
-        }
-        return null;
-    }
-
-    // Note that null values are supported, null keys are not
-    public synchronized void put(Object key, Object value)
-    {
-        if (key == null)
-            throw new NullPointerException();
-        putImpl(key, value, true);
-    }
-
-    private void putImpl(Object key, Object value, boolean tryGC)
-    {
-        int emptySlot = -1;
-        int keySlot = -1;
-        for (int i = 0; i < keys.length; i++)
-        {
-            Object k = keys[i].get_Target();
-            if (k == null)
-            {
-                emptySlot = i;
-                values[i] = null;
-            }
-            else if (k == key)
-            {
-                keySlot = i;
-            }
-        }
-        if (keySlot != -1)
-        {
-            values[keySlot] = value;
-        }
-        else if (emptySlot != -1)
-        {
-            keys[emptySlot].set_Target(key);
-            values[emptySlot] = value;
-        }
-        else
-        {
-            if (tryGC)
-            {
-                GC.Collect(0);
-                putImpl(key, value, false);
-                return;
-            }
-            int len = keys.length;
-            WeakReference[] newkeys = new WeakReference[len * 2];
-            Object[] newvalues = new Object[newkeys.length];
-            cli.System.Array.Copy((cli.System.Array)(Object)keys, (cli.System.Array)(Object)newkeys, len);
-            cli.System.Array.Copy((cli.System.Array)(Object)values, (cli.System.Array)(Object)newvalues, len);
-            keys = newkeys;
-            values = newvalues;
-            for (int i = len; i < keys.length; i++)
-            {
-                keys[i] = new WeakReference(null, true);
-                GC.SuppressFinalize(keys[i]);
-            }
-            keys[len].set_Target(key);
-            values[len] = value;
-        }
-    }
-
-    public synchronized Object get(Object key)
-    {
-        for (int i = 0; i < keys.length; i++)
-        {
-            if (keys[i].get_Target() == key)
-            {
-                return values[i];
-            }
-        }
-        return null;
-    }
-
-    public synchronized boolean containsKey(Object key)
-    {
-        for (int i = 0; i < keys.length; i++)
-        {
-            if (keys[i].get_Target() == key)
-            {
-                return true;
-            }
-        }
-        return false;
-    }
-}