From d8c470343e50b342024491219bd43678a24b4a03 Mon Sep 17 00:00:00 2001 From: Melanie Thielker Date: Fri, 26 Sep 2008 16:11:53 +0000 Subject: Compiler Connection! One world, one compiler! --- .../DotNetEngine/Compiler/YieldProlog/Functor2.cs | 163 --------------------- 1 file changed, 163 deletions(-) delete mode 100644 OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/YieldProlog/Functor2.cs (limited to 'OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/YieldProlog/Functor2.cs') 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 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 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; - } - } -} -- cgit v1.1