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.AST;
31 using Mono.CodeContracts.Static.AST.Visitors;
32 using Mono.CodeContracts.Static.DataStructures;
34 namespace Mono.CodeContracts.Static.Analysis.ExpressionAnalysis.Decoding {
35 abstract class QueryVisitor<V, E> : ISymbolicExpressionVisitor<E, E, V, Dummy, bool>
36 where V : IEquatable<V>
37 where E : IEquatable<E>
39 #region ISymbolicExpressionVisitor<E,E,V,Dummy,bool> Members
40 public virtual bool Binary (E pc, BinaryOperator op, V dest, E operand1, E operand2, Dummy data)
45 public virtual bool Isinst (E pc, TypeNode type, V dest, E obj, Dummy data)
50 public virtual bool LoadNull (E pc, V dest, Dummy polarity)
55 public virtual bool LoadConst (E pc, TypeNode type, object constant, V dest, Dummy data)
60 public virtual bool Sizeof (E pc, TypeNode type, V dest, Dummy data)
65 public virtual bool Unary (E pc, UnaryOperator op, bool unsigned, V dest, E source, Dummy data)
70 public virtual bool SymbolicConstant (E pc, V variable, Dummy data)
76 protected static bool Decode<Visitor> (E expr, Visitor visitor, FullExpressionDecoder<V,E> decoder)
77 where Visitor : QueryVisitor<V, E>
79 return decoder.ContextProvider.ExpressionContext.Decode<Dummy, bool, Visitor> (expr, visitor, Dummy.Value);