binaryninja/HighLevelIL/HighLevelILFlowGraph.cs at 5a4aa86cbf04defb7a9cc71debec42fe9ac60c14 · tinysec/binaryninja · GitHub

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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
using System;

namespace BinaryNinja
{
	public sealed class HighLevelILFlowGraph : AbstractFlowGraph<HighLevelILFlowGraph>
	{
		public HighLevelILFunction ILFunction { get; }

		internal HighLevelILFlowGraph(
			HighLevelILFunction ilFunction,
			IntPtr handle ,
			bool owner
		) : base(handle , owner)
		{
			this.ILFunction = ilFunction;
		}

		internal static HighLevelILFlowGraph? NewFromHandleEx(
			HighLevelILFunction ilFunction,
			IntPtr handle)
		{
			if (handle == IntPtr.Zero)
			{
				return null;
			}

			return new HighLevelILFlowGraph(
				ilFunction,
				NativeMethods.BNNewFlowGraphReference(handle) ,
				true
			);
		}

		internal static HighLevelILFlowGraph MustNewFromHandleEx(
			HighLevelILFunction ilFunction,
			IntPtr handle)
		{
			if (handle == IntPtr.Zero)
			{
				throw new ArgumentNullException(nameof(handle));
			}

			return new HighLevelILFlowGraph(
				ilFunction,
				NativeMethods.BNNewFlowGraphReference(handle) ,
				true
			);
		}

		internal static HighLevelILFlowGraph? TakeHandleEx(
			HighLevelILFunction ilFunction,
			IntPtr handle)
		{
			if (handle == IntPtr.Zero)
			{
				return null;
			}

			return new HighLevelILFlowGraph(ilFunction , handle, true);
		}

		internal static HighLevelILFlowGraph MustTakeHandleEx(
			HighLevelILFunction ilFunction,
			IntPtr handle)
		{
			if (handle == IntPtr.Zero)
			{
				throw new ArgumentNullException(nameof(handle));
			}

			return new HighLevelILFlowGraph(ilFunction , handle, true);
		}

		internal static HighLevelILFlowGraph? BorrowHandleEx(
			HighLevelILFunction ilFunction,
			IntPtr handle)
		{
			if (handle == IntPtr.Zero)
			{
				return null;
			}

			return new HighLevelILFlowGraph(ilFunction , handle, false);
		}

		internal static HighLevelILFlowGraph MustBorrowHandleEx(
			HighLevelILFunction ilFunction,
			IntPtr handle)
		{
			if (handle == IntPtr.Zero)
			{
				throw new ArgumentNullException(nameof(handle));
			}

			return new HighLevelILFlowGraph(ilFunction , handle, false);
		}

		public HighLevelILFlowGraph? Update()
		{
			return HighLevelILFlowGraph.TakeHandleEx(
				this.ILFunction,
				NativeMethods.BNUpdateFlowGraph(this.handle )
			);
		}

		public HighLevelILFlowGraphNode[] Nodes
		{
			get
			{
				IntPtr arrayPointer = NativeMethods.BNGetFlowGraphNodes(
					this.handle,
					out ulong arrayLength
				);

				return UnsafeUtils.TakeHandleArrayEx<HighLevelILFlowGraphNode>(
					arrayPointer ,
					arrayLength ,
					(_native) => HighLevelILFlowGraphNode.MustNewFromHandleEx(this.ILFunction,_native) ,
					NativeMethods.BNFreeFlowGraphNodeList
				);
			}
		}

		public HighLevelILFlowGraphNode? GetNode(ulong index)
		{
			return HighLevelILFlowGraphNode.TakeHandleEx(
				this.ILFunction,
				NativeMethods.BNGetFlowGraphNode(this.handle, index)
			);
		}

		public HighLevelILFlowGraphNode[] GetNodesInRegion(
			int left  ,
			int top  ,
			int right  ,
			int bottom
		)
		{
			IntPtr arrayPointer = NativeMethods.BNGetFlowGraphNodesInRegion(
				this.handle,
				left,
				top,
				right,
				bottom,
				out ulong arrayLength
			);

			return UnsafeUtils.TakeHandleArrayEx<HighLevelILFlowGraphNode>(
				arrayPointer,
				arrayLength,
				(_native) => HighLevelILFlowGraphNode.MustNewFromHandleEx(this.ILFunction,_native) ,
				NativeMethods.BNFreeFlowGraphNodeList
			);
		}
	}
}