115 lines
4.3 KiB
C#
115 lines
4.3 KiB
C#
//
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// ExpressionOperator.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) 2012 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.Collections.Generic;
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namespace Mono.CodeContracts.Static.Analysis.Numerical {
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public enum ExpressionOperator {
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Constant,
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Variable,
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Not,
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And,
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Or,
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Xor,
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LogicalAnd,
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LogicalOr,
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LogicalNot,
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Equal,
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Equal_Obj,
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NotEqual,
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LessThan,
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LessEqualThan,
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GreaterThan,
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GreaterEqualThan,
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Add,
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Sub,
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Mult,
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Div,
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Mod,
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UnaryMinus,
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SizeOf,
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Unknown,
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ConvertToInt32
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}
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static class ExpressionOperatorExtensions {
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static readonly HashSet<ExpressionOperator> relationalOperators = new HashSet<ExpressionOperator> ();
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static ExpressionOperatorExtensions ()
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{
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relationalOperators.Add (ExpressionOperator.LessThan);
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relationalOperators.Add (ExpressionOperator.LessEqualThan);
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relationalOperators.Add (ExpressionOperator.GreaterThan);
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relationalOperators.Add (ExpressionOperator.GreaterEqualThan);
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relationalOperators.Add (ExpressionOperator.Equal);
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relationalOperators.Add (ExpressionOperator.Equal_Obj);
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relationalOperators.Add (ExpressionOperator.NotEqual);
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}
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public static bool IsUnary (this ExpressionOperator op)
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{
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return op == ExpressionOperator.UnaryMinus || op == ExpressionOperator.Not;
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}
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public static bool IsZerary (this ExpressionOperator op)
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{
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return op == ExpressionOperator.Constant || op == ExpressionOperator.Variable;
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}
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public static bool IsBinary (this ExpressionOperator op)
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{
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return !op.IsUnary () && !op.IsZerary ();
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}
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public static bool IsGreaterThan (this ExpressionOperator op)
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{
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return op == ExpressionOperator.GreaterThan;
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}
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public static bool IsGreaterEqualThan (this ExpressionOperator op)
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{
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return op == ExpressionOperator.GreaterEqualThan;
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}
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public static bool IsLessThan (this ExpressionOperator op)
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{
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return op == ExpressionOperator.LessThan;
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}
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public static bool IsLessEqualThan (this ExpressionOperator op)
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{
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return op == ExpressionOperator.LessEqualThan;
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}
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public static bool IsRelational (this ExpressionOperator op)
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{
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return relationalOperators.Contains (op);
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}
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}
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} |