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 System.Collections.Generic;
32 using Mono.CodeContracts.Static.Analysis;
33 using Mono.CodeContracts.Static.DataStructures;
34 using Mono.CodeContracts.Static.Providers;
36 namespace Mono.CodeContracts.Static.ControlFlow {
39 APC EntryAfterRequires { get; }
40 APC NormalExit { get; }
41 APC ExceptionExit { get; }
42 Subroutine Subroutine { get; }
46 IEnumerable<APC> Successors (APC pc);
47 bool HasSingleSuccessor (APC pc, out APC ifFound);
49 IEnumerable<APC> Predecessors (APC pc);
50 bool HasSinglePredecessor (APC pc, out APC ifFound);
52 bool IsJoinPoint (APC pc);
53 bool IsSplitPoint (APC pc);
55 bool IsBlockStart (APC pc);
56 bool IsBlockEnd (APC pc);
58 IILDecoder<APC, Dummy, Dummy, IMethodContextProvider, Dummy> GetDecoder (IMetaDataProvider metaDataProvider);
60 void Print (TextWriter tw, ILPrinter<APC> printer,
61 Func<CFGBlock, IEnumerable<Sequence<Edge<CFGBlock, EdgeTag>>>> contextLookup,
62 Sequence<Edge<CFGBlock, EdgeTag>> context);
64 bool IsForwardBackEdge (APC @from, APC to);