Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

61 lines
2.1 KiB
C#

//
// VisitorForIsBinaryExpression.cs
//
// Authors:
// Alexander Chebaturkin (chebaturkin@gmail.com)
//
// Copyright (C) 2011 Alexander Chebaturkin
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using Mono.CodeContracts.Static.AST;
using Mono.CodeContracts.Static.DataStructures;
namespace Mono.CodeContracts.Static.Analysis.ExpressionAnalysis.Decoding {
class VisitorForIsBinaryExpression<V, E> : QueryVisitor<V, E>
where V : IEquatable<V> where E : IEquatable<E> {
private BinaryOperator op;
private E left;
private E right;
public static bool IsBinary (E expr, out BinaryOperator bop, out E left, out E right, FullExpressionDecoder<V,E> decoder)
{
VisitorForIsBinaryExpression<V, E> v = decoder.BinaryExpressionVisitor;
bool res = Decode (expr, v, decoder);
bop = v.op;
left = v.left;
right = v.right;
return res;
}
public override bool Binary (E pc, BinaryOperator op, V dest, E operand1, E operand2, Dummy data)
{
this.op = op;
this.left = operand1;
this.right = operand2;
return true;
}
}
}