diff -r 3392f250c784 -r ecbd252fd3a7 vm/src/main/java/org/apidesign/vm4brwsr/Variable.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/Variable.java	Fri Mar 22 16:59:47 2013 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,100 +0,0 @@
-/**
- * Back 2 Browser Bytecode Translator
- * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. Look for COPYING file in the top folder.
- * If not, see http://opensource.org/licenses/GPL-2.0.
- */
-package org.apidesign.vm4brwsr;
-
-final class Variable implements CharSequence {
-    private static final String STACK_VAR_PREFIX = "st";
-    private static final String LOCAL_VAR_PREFIX = "lc";
-
-    private final String name;
-    private final int type;
-    private final int index;
-
-    private static final char[] TYPE_IDS = { 'I', 'L', 'F', 'D', 'A' };
-
-    private Variable(final String prefix, final int type, final int index) {
-        this.name = prefix + TYPE_IDS[type] + index;
-        this.type = type;
-        this.index = index;
-    }
-
-    public static Variable getStackVariable(
-            final int type, final int index) {
-        // TODO: precreate frequently used variables
-        return new Variable(STACK_VAR_PREFIX, type, index);
-    }
-
-    public static Variable getLocalVariable(
-            final int type, final int index) {
-        // TODO: precreate frequently used variables
-        return new Variable(LOCAL_VAR_PREFIX, type, index);
-    }
-
-    public String getName() {
-        return name;
-    }
-
-    public int getType() {
-        return type;
-    }
-
-    public int getIndex() {
-        return index;
-    }
-
-    public boolean isCategory2() {
-        return VarType.isCategory2(type);
-    }
-
-    @Override
-    public int length() {
-        return name.length();
-    }
-
-    @Override
-    public char charAt(final int index) {
-        return name.charAt(index);
-    }
-
-    @Override
-    public CharSequence subSequence(final int start, final int end) {
-        return name.subSequence(start, end);
-    }
-
-    @Override
-    public int hashCode() {
-        return name.hashCode();
-    }
-
-    @Override
-    public boolean equals(final Object other) {
-        if (this == other) {
-            return true;
-        }
-        if (!(other instanceof Variable)) {
-            return false;
-        }
-
-        return name.equals(((Variable) other).name);
-    }
-
-    @Override
-    public String toString() {
-        return name;
-    }
-}