1 files changed, 0 insertions, 163 deletions

diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/YieldProlog/Functor2.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/YieldProlog/Functor2.cs
deleted file mode 100644
index a65022f..0000000
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/YieldProlog/Functor2.cs
+++ /dev/null
@@ -1,163 +0,0 @@
-/*
- * Copyright (C) 2007-2008, Jeff Thompson
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the copyright holder nor the names of its contributors
- *       may be used to endorse or promote products derived from this software
- *       without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System;
-using System.Collections.Generic;
-
-namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.YieldProlog
-{
-    public class Functor2 : IUnifiable
-    {
-        public readonly Atom _name;
-        public readonly object _arg1;
-        public readonly object _arg2;
-
-        public Functor2(Atom name, object arg1, object arg2)
-        {
-            _name = name;
-            _arg1 = arg1;
-            _arg2 = arg2;
-        }
-
-        public Functor2(string name, object arg1, object arg2)
-            : this(Atom.a(name), arg1, arg2)
-        {
-        }
-
-        // disable warning on l1, don't see how we can
-        // code this differently
-        #pragma warning disable 0168
-        /// If arg is another Functor2, then succeed (yield once) if this and arg have the
-        /// same name and all functor args unify, otherwise fail (don't yield).
-        /// If arg is a Variable, then call its unify to unify with this.
-        /// Otherwise fail (don't yield).
-        public IEnumerable<bool> unify(object arg)
-        {
-            arg = YP.getValue(arg);
-            if (arg is Functor2)
-            {
-                Functor2 argFunctor = (Functor2)arg;
-                if (_name.Equals(argFunctor._name))
-                {
-                    foreach (bool l1 in YP.unify(_arg1, argFunctor._arg1))
-                    {
-                        foreach (bool l2 in YP.unify(_arg2, argFunctor._arg2))
-                            yield return false;
-                    }
-                }
-            }
-            else if (arg is Variable)
-            {
-                foreach (bool l1 in ((Variable)arg).unify(this))
-                    yield return false;
-            }
-        }
-        #pragma warning restore 0168
-
-
-        public override string ToString()
-        {
-            if (_name == Atom.DOT)
-                return listPairToString(this);
-            else
-                return _name + "(" + YP.getValue(_arg1) + ", " +  YP.getValue(_arg2) + ")";
-        }
-
-        public bool termEqual(object term)
-        {
-            term = YP.getValue(term);
-            if (term is Functor2)
-            {
-                Functor2 termFunctor = (Functor2)term;
-                return _name.Equals(termFunctor._name) && YP.termEqual(_arg1, termFunctor._arg1)
-                     && YP.termEqual(_arg2, termFunctor._arg2);
-            }
-            return false;
-        }
-
-        public bool lessThan(Functor2 functor)
-        {
-            // Do the equal check first since it is faster.
-            if (!_name.Equals(functor._name))
-                return _name.lessThan(functor._name);
-
-            if (!YP.termEqual(_arg1, functor._arg1))
-                return YP.termLessThan(_arg1, functor._arg1);
-
-            return YP.termLessThan(_arg2, functor._arg2);
-        }
-
-        public bool ground()
-        {
-            return YP.ground(_arg1) && YP.ground(_arg2);
-        }
-
-        public void addUniqueVariables(List<Variable> variableSet)
-        {
-            YP.addUniqueVariables(_arg1, variableSet);
-            YP.addUniqueVariables(_arg2, variableSet);
-        }
-
-        public object makeCopy(Variable.CopyStore copyStore)
-        {
-            return new Functor2(_name, YP.makeCopy(_arg1, copyStore),
-                YP.makeCopy(_arg2, copyStore));
-        }
-
-        private static string listPairToString(Functor2 listPair)
-        {
-            string result = "[";
-            while (true)
-            {
-                object head = YP.getValue(listPair._arg1);
-                object tail = YP.getValue(listPair._arg2);
-                if (tail == (object)Atom.NIL)
-                {
-                    result += head;
-                    break;
-                }
-                else if (tail is Functor2 && ((Functor2)tail)._name == Atom.DOT)
-                {
-                    result += head + ", ";
-                    listPair = (Functor2)tail;
-                    // Loop again.
-                }
-                else
-                {
-                    // The list is not terminated with NIL.
-                    result += head + "|" + tail;
-                    break;
-                }
-            }
-            result += "]";
-            return result;
-        }
-    }
-}