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pythonnet/pythonnet/src/tools/callconvutil.cs at release-1.0 · pythonindy/pythonnet · GitHub
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callconvutil.cs
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// CallConvUtil.cs - A utility to rewrite IL and insert calling
// convention metadata. This is needed to ensure that Python
// type callbacks are called using cdecl rather than stdcall.
//
// Author: Brian Lloyd <brian@zope.com>
//
// (c) 2002 Brian Lloyd
using
System
;
using
System
.
IO
;
using
System
.
Collections
;
public
class
CallConvUtil
{
static
string
ccAttr
=
".custom instance void Python.Runtime.CallConvCdeclAttribute"
;
static
string
modOpt
=
"
\n
modopt([mscorlib]System.Runtime.CompilerServices.CallConvCdecl)"
;
StreamReader
reader
;
StreamWriter
writer
;
public
static
int
Main
(
string
[
]
args
)
{
CallConvUtil
munger
=
new
CallConvUtil
(
)
;
return
munger
.
Run
(
)
;
}
public
int
Run
(
)
{
string
inputFile
=
"Python.Runtime.il"
;
string
outputFile
=
"Python.Runtime.il2"
;
string
buff
;
string
line
;
if
(
!
File
.
Exists
(
inputFile
)
)
{
Console
.
WriteLine
(
"{0} does not exist!"
,
inputFile
)
;
return
-
1
;
}
reader
=
File
.
OpenText
(
inputFile
)
;
writer
=
File
.
CreateText
(
outputFile
)
;
while
(
(
line
=
reader
.
ReadLine
(
)
)
!=
null
)
{
buff
=
line
.
Trim
(
)
;
if
(
buff
.
StartsWith
(
".class "
)
)
{
ReadClass
(
line
,
false
)
;
}
else
{
writer
.
WriteLine
(
line
)
;
}
}
reader
.
Close
(
)
;
writer
.
Close
(
)
;
return
0
;
}
public
void
ReadClass
(
string
line
,
bool
nested
)
{
ArrayList
lines
=
new
ArrayList
(
)
;
bool
hasAttr
=
false
;
string
data
;
string
buff
;
if
(
!
nested
)
{
lines
.
Add
(
line
)
;
}
while
(
(
data
=
reader
.
ReadLine
(
)
)
!=
null
)
{
buff
=
data
.
Trim
(
)
;
if
(
buff
.
StartsWith
(
".class "
)
)
{
WriteBuffer
(
lines
)
;
writer
.
WriteLine
(
data
)
;
ReadClass
(
data
,
true
)
;
lines
=
new
ArrayList
(
)
;
}
else
if
(
buff
.
StartsWith
(
ccAttr
)
)
{
hasAttr
=
true
;
lines
.
Add
(
data
)
;
}
else
if
(
(
!
hasAttr
)
&&
buff
.
StartsWith
(
".method "
)
)
{
WriteBuffer
(
lines
)
;
ReadMethod
(
data
)
;
lines
=
new
ArrayList
(
)
;
}
else
if
(
buff
.
StartsWith
(
"} // end of class"
)
)
{
WriteBuffer
(
lines
)
;
writer
.
WriteLine
(
data
)
;
return
;
}
else
if
(
hasAttr
&&
buff
.
StartsWith
(
"Invoke("
)
)
{
WriteBuffer
(
lines
)
;
writer
.
WriteLine
(
modOpt
)
;
writer
.
WriteLine
(
data
)
;
lines
=
new
ArrayList
(
)
;
}
else
{
lines
.
Add
(
data
)
;
}
}
}
public
void
ReadMethod
(
string
line
)
{
ArrayList
lines
=
new
ArrayList
(
)
;
string
mline
=
line
;
string
data
;
string
buff
;
while
(
(
data
=
reader
.
ReadLine
(
)
)
!=
null
)
{
buff
=
data
.
Trim
(
)
;
if
(
buff
.
StartsWith
(
ccAttr
)
)
{
writer
.
WriteLine
(
mline
)
;
writer
.
WriteLine
(
modOpt
)
;
WriteBuffer
(
lines
)
;
writer
.
WriteLine
(
data
)
;
return
;
}
else
if
(
buff
.
StartsWith
(
"} // end of method"
)
)
{
writer
.
WriteLine
(
mline
)
;
WriteBuffer
(
lines
)
;
writer
.
WriteLine
(
data
)
;
return
;
}
lines
.
Add
(
data
)
;
}
}
public
void
WriteBuffer
(
ArrayList
data
)
{
IEnumerator
iter
=
data
.
GetEnumerator
(
)
;
while
(
iter
.
MoveNext
(
)
)
{
writer
.
WriteLine
(
(
String
)
iter
.
Current
)
;
}
}
}
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