blob: bb12f2482f1d95b91a871069c53475965994f430 (
plain)
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
157
158
159
160
161
162
163
164
165
|
//
// System.IntPtr.cs
//
// Author:
// Miguel de Icaza (miguel@ximian.com)
//
// Maintainer:
// Michael Lambert, michaellambert@email.com
//
// (C) Ximian, Inc. http://www.ximian.com
//
// Remarks: Requires '/unsafe' compiler option. This class uses void*,
// in overloaded constructors, conversion, and cast members in
// the public interface. Using pointers is not valid CLS and
// the methods in question have been marked with the
// CLSCompliant attribute that avoid compiler warnings.
//
// FIXME: How do you specify a native int in C#? I am going to have to do some figuring out
//
using System;
using System.Runtime.Serialization;
#if __MonoCS__
#else
[
assembly: System.CLSCompliant(true)
]
#endif
namespace System {
[
CLSCompliant(true)
]
[Serializable]
public unsafe struct IntPtr : ISerializable {
private void *value;
public static readonly IntPtr Zero;
static IntPtr ()
{
Zero.value = (void *) 0;
}
public IntPtr (int i32)
{
value = (void *) i32;
}
public IntPtr (long i64)
{
value = (void *) i64;
}
[
CLSCompliant(false)
]
unsafe public IntPtr (void *ptr)
{
value = ptr;
}
public static int Size {
get {
return sizeof (void *);
}
}
public void GetObjectData (SerializationInfo si, StreamingContext sc)
{
if( si == null )
throw new ArgumentNullException( "si" );
si.AddValue("value", (long) value);
}
public override bool Equals (object o)
{
if (!(o is System.IntPtr))
return false;
return ((IntPtr) o).value == value;
}
public override int GetHashCode ()
{
return (int) value;
}
public int ToInt32 ()
{
return (int) value;
}
public long ToInt64 ()
{
return (long) value;
}
[
CLSCompliant(false)
]
unsafe public void *ToPointer ()
{
return value;
}
override public string ToString ()
{
if (Size == 4)
return ((int) value).ToString ();
else
return ((long) value).ToString ();
}
public static bool operator == (IntPtr a, IntPtr b)
{
return (a.value == b.value);
}
public static bool operator != (IntPtr a, IntPtr b)
{
return (a.value != b.value);
}
public static explicit operator IntPtr (int value)
{
return new IntPtr (value);
}
public static explicit operator IntPtr (long value)
{
return new IntPtr (value);
}
[
CLSCompliant(false)
]
unsafe public static explicit operator IntPtr (void *value)
{
return new IntPtr (value);
}
public static explicit operator int (IntPtr value)
{
return (int) value.value;
}
public static explicit operator long (IntPtr value)
{
return (long) value.value;
}
[
CLSCompliant(false)
]
unsafe public static explicit operator void * (IntPtr value)
{
return value.value;
}
}
}
|
