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//
// IValueContext.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 Mono.CodeContracts.Static.AST;
using Mono.CodeContracts.Static.Analysis.HeapAnalysis.Paths;
using Mono.CodeContracts.Static.ControlFlow;
using Mono.CodeContracts.Static.DataStructures;
using Mono.CodeContracts.Static.Lattices;
namespace Mono.CodeContracts.Static.Analysis {
interface IValueContext<SymbolicValue> {
bool IsZero (APC at, SymbolicValue value);
bool TryLocalValue (APC at, Local local, out SymbolicValue sv);
bool TryParameterValue (APC at, Parameter p, out SymbolicValue sv);
bool IsConstant (APC readAt, SymbolicValue symbol, out TypeNode type, out object constant);
FlatDomain<TypeNode> GetType (APC readAt, SymbolicValue symbol);
Sequence<PathElement> AccessPathList (APC at, SymbolicValue value, bool allowLocal, bool preferLocal);
}
}
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