74 lines
2.3 KiB
C#
74 lines
2.3 KiB
C#
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//
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// Domain.cs
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//
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// Authors:
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// Alexander Chebaturkin (chebaturkin@gmail.com)
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//
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// Copyright (C) 2011 Alexander Chebaturkin
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using Mono.CodeContracts.Static.Lattices;
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namespace Mono.CodeContracts.Static.Analysis.NonNull {
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struct NonNullDomain<V> where V : IEquatable<V> {
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public static readonly NonNullDomain<V> BottomValue = new NonNullDomain<V> (SetDomain<V>.BottomValue, SetDomain<V>.BottomValue);
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public SetDomain<V> NonNulls;
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public SetDomain<V> Nulls;
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public NonNullDomain(SetDomain<V> nonNulls, SetDomain<V> nulls)
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{
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this.NonNulls = nonNulls;
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this.Nulls = nulls;
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}
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public bool IsNonNull(V v)
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{
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return this.NonNulls.Contains (v);
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}
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public bool IsNull(V v)
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{
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return this.Nulls.Contains (v);
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}
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public override string ToString()
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{
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var sw = new StringWriter();
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sw.WriteLine("Nulls:");
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sw.WriteLine("<");
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this.Nulls.Dump (sw);
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sw.WriteLine(">");
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sw.WriteLine("Non-Nulls:");
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sw.WriteLine("<");
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this.NonNulls.Dump(sw);
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sw.WriteLine(">");
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return sw.ToString ();
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}
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}
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}
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