* Applied patch from Melanie, mantis issue #1581 - "Refactor LSL language, api and compiler out of XEngine"

"First stage in a major Script Engine refactor, that will result in the LSL implementaions ebing reconverged. Not there yet, but one major part is done."
Thank you, Melanie!

1 files changed, 62 insertions, 0 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/UndefinedPredicateException.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/UndefinedPredicateException.cs
new file mode 100644
index 0000000..4b6112f
--- /dev/null
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/UndefinedPredicateException.cs
@@ -0,0 +1,62 @@
+/*
+ * 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;
+
+namespace OpenSim.Region.ScriptEngine.Shared.YieldProlog
+{
+    /// <summary>
+    /// An UndefinedPredicateException extends PrologException to create an existence_error exception.
+    /// </summary>
+    public class UndefinedPredicateException : PrologException
+    {
+        private Atom _predicateName;
+        private int _arity;
+
+        public UndefinedPredicateException(object message, Atom predicateName, int arity)
+            : base(new Functor2
+                   (Atom.a("existence_error"), Atom.a("procedure"), new Functor2(Atom.a("/"), predicateName, arity)),
+                   message)
+        {
+            _predicateName = predicateName;
+            _arity = arity;
+        }
+
+        public Atom PredicateName
+        {
+            get { return _predicateName; }
+        }
+
+        public int Arity
+        {
+            get { return _arity; }
+        }
+    }
+}