diff options
Diffstat (limited to 'OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor3.cs')
-rw-r--r-- | OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor3.cs | 141 |
1 files changed, 0 insertions, 141 deletions
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor3.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor3.cs deleted file mode 100644 index 94e39c4..0000000 --- a/OpenSim/Region/ScriptEngine/Shared/Api/Runtime/YieldProlog/Functor3.cs +++ /dev/null | |||
@@ -1,141 +0,0 @@ | |||
1 | /* | ||
2 | * Copyright (C) 2007-2008, Jeff Thompson | ||
3 | * | ||
4 | * All rights reserved. | ||
5 | * | ||
6 | * Redistribution and use in source and binary forms, with or without | ||
7 | * modification, are permitted provided that the following conditions are met: | ||
8 | * | ||
9 | * * Redistributions of source code must retain the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer. | ||
11 | * * Redistributions in binary form must reproduce the above copyright | ||
12 | * notice, this list of conditions and the following disclaimer in the | ||
13 | * documentation and/or other materials provided with the distribution. | ||
14 | * * Neither the name of the copyright holder nor the names of its contributors | ||
15 | * may be used to endorse or promote products derived from this software | ||
16 | * without specific prior written permission. | ||
17 | * | ||
18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
19 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
20 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
21 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | ||
22 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
23 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
24 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
25 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | ||
26 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | ||
27 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
28 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
29 | */ | ||
30 | |||
31 | using System; | ||
32 | using System.Collections.Generic; | ||
33 | |||
34 | namespace OpenSim.Region.ScriptEngine.Shared.YieldProlog | ||
35 | { | ||
36 | public class Functor3 : IUnifiable | ||
37 | { | ||
38 | public readonly Atom _name; | ||
39 | public readonly object _arg1; | ||
40 | public readonly object _arg2; | ||
41 | public readonly object _arg3; | ||
42 | |||
43 | public Functor3(Atom name, object arg1, object arg2, object arg3) | ||
44 | { | ||
45 | _name = name; | ||
46 | _arg1 = arg1; | ||
47 | _arg2 = arg2; | ||
48 | _arg3 = arg3; | ||
49 | } | ||
50 | |||
51 | public Functor3(string name, object arg1, object arg2, object arg3) | ||
52 | : this(Atom.a(name), arg1, arg2, arg3) | ||
53 | { | ||
54 | } | ||
55 | |||
56 | // disable warning on l1, don't see how we can | ||
57 | // code this differently | ||
58 | #pragma warning disable 0168, 0219 | ||
59 | /// If arg is another Functor3, then succeed (yield once) if this and arg have the | ||
60 | /// same name and all functor args unify, otherwise fail (don't yield). | ||
61 | /// If arg is a Variable, then call its unify to unify with this. | ||
62 | /// Otherwise fail (don't yield). | ||
63 | public IEnumerable<bool> unify(object arg) | ||
64 | { | ||
65 | arg = YP.getValue(arg); | ||
66 | if (arg is Functor3) | ||
67 | { | ||
68 | Functor3 argFunctor = (Functor3)arg; | ||
69 | if (_name.Equals(argFunctor._name)) | ||
70 | { | ||
71 | foreach (bool l1 in YP.unify(_arg1, argFunctor._arg1)) | ||
72 | { | ||
73 | foreach (bool l2 in YP.unify(_arg2, argFunctor._arg2)) | ||
74 | { | ||
75 | foreach (bool l3 in YP.unify(_arg3, argFunctor._arg3)) | ||
76 | yield return false; | ||
77 | } | ||
78 | } | ||
79 | } | ||
80 | } | ||
81 | else if (arg is Variable) | ||
82 | { | ||
83 | foreach (bool l1 in ((Variable)arg).unify(this)) | ||
84 | yield return false; | ||
85 | } | ||
86 | } | ||
87 | #pragma warning restore 0168, 0219 | ||
88 | |||
89 | public override string ToString() | ||
90 | { | ||
91 | return _name + "(" + YP.getValue(_arg1) + ", " + YP.getValue(_arg2) + ", " + | ||
92 | YP.getValue(_arg3) + ")"; | ||
93 | } | ||
94 | |||
95 | public bool termEqual(object term) | ||
96 | { | ||
97 | term = YP.getValue(term); | ||
98 | if (term is Functor3) | ||
99 | { | ||
100 | Functor3 termFunctor = (Functor3)term; | ||
101 | return _name.Equals(termFunctor._name) && YP.termEqual(_arg1, termFunctor._arg1) | ||
102 | && YP.termEqual(_arg2, termFunctor._arg2) | ||
103 | && YP.termEqual(_arg3, termFunctor._arg3); | ||
104 | } | ||
105 | return false; | ||
106 | } | ||
107 | |||
108 | public bool lessThan(Functor3 functor) | ||
109 | { | ||
110 | // Do the equal check first since it is faster. | ||
111 | if (!_name.Equals(functor._name)) | ||
112 | return _name.lessThan(functor._name); | ||
113 | |||
114 | if (!YP.termEqual(_arg1, functor._arg1)) | ||
115 | return YP.termLessThan(_arg1, functor._arg1); | ||
116 | |||
117 | if (!YP.termEqual(_arg2, functor._arg2)) | ||
118 | return YP.termLessThan(_arg2, functor._arg2); | ||
119 | |||
120 | return YP.termLessThan(_arg3, functor._arg3); | ||
121 | } | ||
122 | |||
123 | public bool ground() | ||
124 | { | ||
125 | return YP.ground(_arg1) && YP.ground(_arg2) && YP.ground(_arg3); | ||
126 | } | ||
127 | |||
128 | public void addUniqueVariables(List<Variable> variableSet) | ||
129 | { | ||
130 | YP.addUniqueVariables(_arg1, variableSet); | ||
131 | YP.addUniqueVariables(_arg2, variableSet); | ||
132 | YP.addUniqueVariables(_arg3, variableSet); | ||
133 | } | ||
134 | |||
135 | public object makeCopy(Variable.CopyStore copyStore) | ||
136 | { | ||
137 | return new Functor3(_name, YP.makeCopy(_arg1, copyStore), | ||
138 | YP.makeCopy(_arg2, copyStore), YP.makeCopy(_arg3, copyStore)); | ||
139 | } | ||
140 | } | ||
141 | } | ||