1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
|
#region license
//
// (C) 2005 - 2007 db4objects Inc. http://www.db4o.com
// (C) 2007 - 2008 Novell, Inc. http://www.novell.com
// (C) 2007 - 2008 Jb Evain http://evain.net
//
// 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.
//
#endregion
using System;
using System.Collections.Generic;
using Mono.Cecil;
using Mono.Cecil.Cil;
namespace Cecil.Decompiler.Cil {
public class ControlFlowGraph {
MethodBody body;
InstructionBlock [] blocks;
Dictionary<int, InstructionData> data;
List<ExceptionHandlerData> exception_data;
HashSet<int> exception_objects_offsets;
public MethodBody MethodBody {
get { return body; }
}
public InstructionBlock [] Blocks {
get { return blocks; }
}
public ControlFlowGraph (
MethodBody body,
InstructionBlock [] blocks,
Dictionary<int, InstructionData> instructionData,
List<ExceptionHandlerData> exception_data,
HashSet<int> exception_objects_offsets)
{
this.body = body;
this.blocks = blocks;
this.data = instructionData;
this.exception_data = exception_data;
this.exception_objects_offsets = exception_objects_offsets;
}
public InstructionData GetData (Instruction instruction)
{
return data [instruction.Offset];
}
public ExceptionHandlerData [] GetExceptionData ()
{
return exception_data.ToArray ();
}
public bool HasExceptionObject (int offset)
{
if (exception_objects_offsets == null)
return false;
return exception_objects_offsets.Contains (offset);
}
public static ControlFlowGraph Create (MethodDefinition method)
{
if (method == null)
throw new ArgumentNullException ("method");
if (!method.HasBody)
throw new ArgumentException ();
var builder = new ControlFlowGraphBuilder (method);
return builder.CreateGraph ();
}
}
}
|