2 // VisitorForVariable.cs
5 // Alexander Chebaturkin (chebaturkin@gmail.com)
7 // Copyright (C) 2011 Alexander Chebaturkin
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using Mono
.CodeContracts
.Static
.DataStructures
;
32 namespace Mono
.CodeContracts
.Static
.Analysis
.ExpressionAnalysis
.Decoding
{
33 class VisitorForVariable
<V
,E
> : QueryVisitor
<V
, E
>
34 where V
: IEquatable
<V
>
35 where E
: IEquatable
<E
> {
38 public static bool IsVariable (E expr
, out V
var, FullExpressionDecoder
<V
, E
> decoder
)
40 VisitorForVariable
<V
, E
> visitor
= decoder
.VariableVisitor
;
41 bool res
= Decode (expr
, visitor
, decoder
);
42 var = visitor
.variable
;
46 public override bool SymbolicConstant (E pc
, V variable
, Dummy data
)
48 this.variable
= variable
;