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.
32 using Mono.CodeContracts.Static.AST.Visitors;
33 using Mono.CodeContracts.Static.ControlFlow;
34 using Mono.CodeContracts.Static.DataStructures;
35 using Mono.CodeContracts.Static.Proving;
37 namespace Mono.CodeContracts.Static.DataFlowAnalysis {
38 interface IAnalysis<Label, AbstractState, Visitor, EdgeData> {
39 Visitor GetVisitor ();
40 AbstractState Join (Pair<Label, Label> edge, AbstractState newstate, AbstractState prevstate, out bool weaker, bool widen);
41 AbstractState ImmutableVersion (AbstractState arg);
42 AbstractState MutableVersion (AbstractState arg);
43 AbstractState EdgeConversion (APC from, APC to, bool isJoinPoint, EdgeData data, AbstractState state);
44 bool IsBottom (Label pc, AbstractState state);
45 Predicate<Label> SaveFixPointInfo (IFixPointInfo<Label, AbstractState> fixPointInfo);
46 void Dump (Pair<AbstractState, TextWriter> pair);
49 interface IAbstractAnalysis<TDomain, TVar> : IAnalysis<APC, TDomain, IILVisitor<APC, TVar, TVar, TDomain, TDomain>, IImmutableMap<TVar, Sequence<TVar>>> {
51 TDomain BottomValue ();
52 IFactQuery<BoxedExpression, TVar> FactQuery (IFixPointInfo<APC, TDomain> fixpoint);