From 323ada012d3bed0c6f7a6d5d0ee14b409b7457c7 Mon Sep 17 00:00:00 2001
From: Charles Krinke
Date: Wed, 13 Aug 2008 14:13:49 +0000
Subject: Mantis#1931. Thank you kindly, Kinoc for a patch that: * Yield Prolog
 1.0.1 Released : it passes all but 9 of the 421 tests in the ISO Prolog test
 suite (97.8%) . * support dynamic predicates and rules. * support 'import' to
 use external static functions improves connection to C# functions * Matches
 Yield Prolog r831

---
 .../Shared/Api/Runtime/YieldProlog/Functor2.cs          | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

(limited to 'OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor2.cs')

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor2.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor2.cs
index 4ae325e..6817d11 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor2.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor2.cs
@@ -51,6 +51,13 @@ namespace OpenSim.Region.ScriptEngine.Shared.YieldProlog
         {
         }
 
+        // 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);
@@ -59,27 +66,21 @@ namespace OpenSim.Region.ScriptEngine.Shared.YieldProlog
                 Functor2 argFunctor = (Functor2)arg;
                 if (_name.Equals(argFunctor._name))
                 {
-// disable warning: don't see how we can code this differently short
-// of rewriting the whole thing
-#pragma warning disable 0168
                     foreach (bool l1 in YP.unify(_arg1, argFunctor._arg1))
                     {
                         foreach (bool l2 in YP.unify(_arg2, argFunctor._arg2))
                             yield return false;
                     }
-#pragma warning restore 0168
                 }
             }
             else if (arg is Variable)
             {
-// disable warning: don't see how we can code this differently short
-// of rewriting the whole thing
-#pragma warning disable 0168
                 foreach (bool l1 in ((Variable)arg).unify(this))
                     yield return false;
-#pragma warning restore 0168
             }
         }
+        #pragma warning restore 0168
+
 
         public override string ToString()
         {
-- 
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