FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
pythonnet/src/runtime/StateSerialization/MaybeMethodBase.cs at master · pkese/pythonnet · GitHub
pkese
pythonnet
Repository navigation
Code
Pull requests
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
pythonnet
/
src
/
runtime
/
StateSerialization
/
MaybeMethodBase.cs
Copy path
More file actions
More file actions
Latest commit
History
History
History
199 lines (180 loc) · 6.85 KB
Breadcrumbs
pythonnet
/
src
/
runtime
/
StateSerialization
/
MaybeMethodBase.cs
Copy path
File metadata and controls
199 lines (180 loc) · 6.85 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
using
System
;
using
System
.
Reflection
;
using
System
.
Runtime
.
Serialization
;
using
System
.
Linq
;
namespace
Python
.
Runtime
{
[
Serializable
]
internal
struct
MaybeMethodBase
<
T
>
:
ISerializable
where
T
:
MethodBase
{
// .ToString() of the serialized object
const
string
SerializationName
=
"s"
;
// The ReflectedType of the object
const
string
SerializationType
=
"t"
;
// Fhe parameters of the MethodBase
const
string
SerializationParameters
=
"p"
;
const
string
SerializationIsCtor
=
"c"
;
const
string
SerializationMethodName
=
"n"
;
[
Serializable
]
struct
ParameterHelper
:
IEquatable
<
ParameterInfo
>
{
public
enum
TypeModifier
{
None
,
In
,
Out
,
Ref
}
public
readonly
string
Name
;
public
readonly
TypeModifier
Modifier
;
public
ParameterHelper
(
ParameterInfo
tp
)
{
Name
=
tp
.
ParameterType
.
AssemblyQualifiedName
;
Modifier
=
TypeModifier
.
None
;
if
(
tp
.
IsIn
&&
tp
.
ParameterType
.
IsByRef
)
{
Modifier
=
TypeModifier
.
In
;
}
else
if
(
tp
.
IsOut
&&
tp
.
ParameterType
.
IsByRef
)
{
Modifier
=
TypeModifier
.
Out
;
}
else
if
(
tp
.
ParameterType
.
IsByRef
)
{
Modifier
=
TypeModifier
.
Ref
;
}
}
public
bool
Equals
(
ParameterInfo
other
)
{
return
this
.
Equals
(
new
ParameterHelper
(
other
)
)
;
}
}
public
static
implicit
operator
MaybeMethodBase
<
T
>
(
T
ob
)
=>
new
MaybeMethodBase
<
T
>
(
ob
)
;
string
name
;
MethodBase
info
;
[
NonSerialized
]
Exception
deserializationException
;
public
string
DeletedMessage
{
get
{
return
$
"The .NET
{
typeof
(
T
)
}
{
name
}
no longer exists. Cause: "
+
deserializationException
?
.
Message
;
}
}
public
T
Value
{
get
{
if
(
info
==
null
)
{
throw
new
SerializationException
(
DeletedMessage
,
innerException
:
deserializationException
)
;
}
return
(
T
)
info
;
}
}
public
T
UnsafeValue
{
get
{
return
(
T
)
info
;
}
}
public
string
Name
{
get
{
return
name
;
}
}
public
bool
Valid
=>
info
!=
null
;
public
override
string
ToString
(
)
{
return
(
info
!=
null
?
info
.
ToString
(
)
:
$
"missing method info:
{
name
}
"
)
;
}
public
MaybeMethodBase
(
T
mi
)
{
info
=
mi
;
name
=
mi
?
.
ToString
(
)
;
deserializationException
=
null
;
}
internal
MaybeMethodBase
(
SerializationInfo
serializationInfo
,
StreamingContext
context
)
{
name
=
serializationInfo
.
GetString
(
SerializationName
)
;
info
=
null
;
deserializationException
=
null
;
try
{
// Retrieve the reflected type of the method;
var
typeName
=
serializationInfo
.
GetString
(
SerializationType
)
;
var
tp
=
Type
.
GetType
(
typeName
)
;
if
(
tp
==
null
)
{
throw
new
SerializationException
(
$
"The underlying type
{
typeName
}
can't be found"
)
;
}
// Get the method's parameters types
var
field_name
=
serializationInfo
.
GetString
(
SerializationMethodName
)
;
var
param
=
(
ParameterHelper
[
]
)
serializationInfo
.
GetValue
(
SerializationParameters
,
typeof
(
ParameterHelper
[
]
)
)
;
Type
[
]
types
=
new
Type
[
param
.
Length
]
;
bool
hasRefType
=
false
;
for
(
int
i
=
0
;
i
<
param
.
Length
;
i
++
)
{
var
paramTypeName
=
param
[
i
]
.
Name
;
types
[
i
]
=
Type
.
GetType
(
paramTypeName
)
;
if
(
types
[
i
]
==
null
)
{
throw
new
SerializationException
(
$
"The parameter of type
{
paramTypeName
}
can't be found"
)
;
}
else
if
(
types
[
i
]
.
IsByRef
)
{
hasRefType
=
true
;
}
}
MethodBase
mb
=
null
;
if
(
serializationInfo
.
GetBoolean
(
SerializationIsCtor
)
)
{
// We never want the static constructor.
mb
=
tp
.
GetConstructor
(
ClassManager
.
BindingFlags
&
(
~
BindingFlags
.
Static
)
,
binder
:
null
,
types
:
types
,
modifiers
:
null
)
;
}
else
{
mb
=
tp
.
GetMethod
(
field_name
,
ClassManager
.
BindingFlags
,
binder
:
null
,
types
:
types
,
modifiers
:
null
)
;
}
if
(
mb
!=
null
&&
hasRefType
)
{
mb
=
CheckRefTypes
(
mb
,
param
)
;
}
// Do like in ClassManager.GetClassInfo
if
(
mb
!=
null
&&
ClassManager
.
ShouldBindMethod
(
mb
)
)
{
info
=
mb
;
}
}
catch
(
Exception
e
)
{
deserializationException
=
e
;
}
}
MethodBase
CheckRefTypes
(
MethodBase
mb
,
ParameterHelper
[
]
ph
)
{
// One more step: Changing:
// void MyFn (ref int a)
// to:
// void MyFn (out int a)
// will still find the function correctly as, `in`, `out` and `ref`
// are all represented as a reference type. Query the method we got
// and validate the parameters
if
(
ph
.
Length
!=
0
)
{
foreach
(
var
item
in
Enumerable
.
Zip
(
ph
,
mb
.
GetParameters
(
)
,
(
orig
,
current
)
=>
new
{
orig
,
current
}
)
)
{
if
(
!
item
.
current
.
Equals
(
item
.
orig
)
)
{
// False positive
return
null
;
}
}
}
return
mb
;
}
public
void
GetObjectData
(
SerializationInfo
serializationInfo
,
StreamingContext
context
)
{
serializationInfo
.
AddValue
(
SerializationName
,
name
)
;
if
(
Valid
)
{
serializationInfo
.
AddValue
(
SerializationMethodName
,
info
.
Name
)
;
serializationInfo
.
AddValue
(
SerializationType
,
info
.
ReflectedType
.
AssemblyQualifiedName
)
;
ParameterHelper
[
]
parameters
=
(
from
p
in
info
.
GetParameters
(
)
select
new
ParameterHelper
(
p
)
)
.
ToArray
(
)
;
serializationInfo
.
AddValue
(
SerializationParameters
,
parameters
,
typeof
(
ParameterHelper
[
]
)
)
;
serializationInfo
.
AddValue
(
SerializationIsCtor
,
info
.
IsConstructor
)
;
}
}
}
}
Back
|
FazBrowse Home
|
New Git URL