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Kirill Smelkov
cpython
Commits
c322b4e3
Commit
c322b4e3
authored
Apr 29, 1997
by
Guido van Rossum
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parent
59482fd9
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2 changed files
with
204 additions
and
200 deletions
+204
-200
Python/sysmodule.c
Python/sysmodule.c
+147
-143
Python/traceback.c
Python/traceback.c
+57
-57
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Python/sysmodule.c
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c322b4e3
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Python/traceback.c
View file @
c322b4e3
...
...
@@ -31,19 +31,17 @@ PERFORMANCE OF THIS SOFTWARE.
/* Traceback implementation */
#include "
allobjects
.h"
#include "
Python
.h"
#include "sysmodule.h"
#include "compile.h"
#include "frameobject.h"
#include "traceback.h"
#include "structmember.h"
#include "osdefs.h"
typedef
struct
_tracebackobject
{
OB
_HEAD
PyObject
_HEAD
struct
_tracebackobject
*
tb_next
;
frameo
bject
*
tb_frame
;
PyFrameO
bject
*
tb_frame
;
int
tb_lasti
;
int
tb_lineno
;
}
tracebackobject
;
...
...
@@ -58,28 +56,28 @@ static struct memberlist tb_memberlist[] = {
{
NULL
}
/* Sentinel */
};
static
o
bject
*
static
PyO
bject
*
tb_getattr
(
tb
,
name
)
tracebackobject
*
tb
;
char
*
name
;
{
return
getmember
((
char
*
)
tb
,
tb_memberlist
,
name
);
return
PyMember_Get
((
char
*
)
tb
,
tb_memberlist
,
name
);
}
static
void
tb_dealloc
(
tb
)
tracebackobject
*
tb
;
{
XDECREF
(
tb
->
tb_next
);
XDECREF
(
tb
->
tb_frame
);
DEL
(
tb
);
Py_
XDECREF
(
tb
->
tb_next
);
Py_
XDECREF
(
tb
->
tb_frame
);
PyMem_
DEL
(
tb
);
}
#define Tracebacktype PyTraceBack_Type
#define is_tracebackobject PyTraceBack_Check
typeo
bject
Tracebacktype
=
{
OB_HEAD_INIT
(
&
Typet
ype
)
PyTypeO
bject
Tracebacktype
=
{
PyObject_HEAD_INIT
(
&
PyType_T
ype
)
0
,
"traceback"
,
sizeof
(
tracebackobject
),
...
...
@@ -98,20 +96,20 @@ typeobject Tracebacktype = {
static
tracebackobject
*
newtracebackobject
(
next
,
frame
,
lasti
,
lineno
)
tracebackobject
*
next
;
frameo
bject
*
frame
;
PyFrameO
bject
*
frame
;
int
lasti
,
lineno
;
{
tracebackobject
*
tb
;
if
((
next
!=
NULL
&&
!
is_tracebackobject
(
next
))
||
frame
==
NULL
||
!
is_frameobject
(
frame
))
{
err_badc
all
();
frame
==
NULL
||
!
PyFrame_Check
(
frame
))
{
PyErr_BadInternalC
all
();
return
NULL
;
}
tb
=
NEWOBJ
(
tracebackobject
,
&
Tracebacktype
);
tb
=
PyObject_NEW
(
tracebackobject
,
&
Tracebacktype
);
if
(
tb
!=
NULL
)
{
XINCREF
(
next
);
Py_
XINCREF
(
next
);
tb
->
tb_next
=
next
;
XINCREF
(
frame
);
Py_
XINCREF
(
frame
);
tb
->
tb_frame
=
frame
;
tb
->
tb_lasti
=
lasti
;
tb
->
tb_lineno
=
lineno
;
...
...
@@ -122,44 +120,45 @@ newtracebackobject(next, frame, lasti, lineno)
static
tracebackobject
*
tb_current
=
NULL
;
int
tb_h
ere
(
frame
)
frameo
bject
*
frame
;
PyTraceBack_H
ere
(
frame
)
PyFrameO
bject
*
frame
;
{
tracebackobject
*
tb
;
tb
=
newtracebackobject
(
tb_current
,
frame
,
frame
->
f_lasti
,
frame
->
f_lineno
);
tb
=
newtracebackobject
(
tb_current
,
frame
,
frame
->
f_lasti
,
frame
->
f_lineno
);
if
(
tb
==
NULL
)
return
-
1
;
XDECREF
(
tb_current
);
Py_
XDECREF
(
tb_current
);
tb_current
=
tb
;
return
0
;
}
o
bject
*
tb_f
etch
()
PyO
bject
*
PyTraceBack_F
etch
()
{
o
bject
*
v
;
v
=
(
o
bject
*
)
tb_current
;
PyO
bject
*
v
;
v
=
(
PyO
bject
*
)
tb_current
;
tb_current
=
NULL
;
return
v
;
}
int
tb_s
tore
(
v
)
o
bject
*
v
;
PyTraceBack_S
tore
(
v
)
PyO
bject
*
v
;
{
if
(
v
!=
NULL
&&
!
is_tracebackobject
(
v
))
{
err_badc
all
();
PyErr_BadInternalC
all
();
return
-
1
;
}
XDECREF
(
tb_current
);
XINCREF
(
v
);
Py_
XDECREF
(
tb_current
);
Py_
XINCREF
(
v
);
tb_current
=
(
tracebackobject
*
)
v
;
return
0
;
}
static
void
tb_displayline
(
f
,
filename
,
lineno
,
name
)
o
bject
*
f
;
PyO
bject
*
f
;
char
*
filename
;
int
lineno
;
char
*
name
;
...
...
@@ -177,25 +176,25 @@ tb_displayline(f, filename, lineno, name)
xfp
=
fopen
(
filename
,
"r"
);
if
(
xfp
==
NULL
)
{
/* Search tail of filename in sys.path before giving up */
o
bject
*
path
;
PyO
bject
*
path
;
char
*
tail
=
strrchr
(
filename
,
SEP
);
if
(
tail
==
NULL
)
tail
=
filename
;
else
tail
++
;
path
=
sysge
t
(
"path"
);
if
(
path
!=
NULL
&&
is_listobject
(
path
))
{
int
npath
=
getlists
ize
(
path
);
path
=
PySys_GetObjec
t
(
"path"
);
if
(
path
!=
NULL
&&
PyList_Check
(
path
))
{
int
npath
=
PyList_S
ize
(
path
);
int
taillen
=
strlen
(
tail
);
char
namebuf
[
MAXPATHLEN
+
1
];
for
(
i
=
0
;
i
<
npath
;
i
++
)
{
object
*
v
=
getlisti
tem
(
path
,
i
);
if
(
is_stringobject
(
v
))
{
PyObject
*
v
=
PyList_GetI
tem
(
path
,
i
);
if
(
PyString_Check
(
v
))
{
int
len
;
len
=
getstrings
ize
(
v
);
len
=
PyString_S
ize
(
v
);
if
(
len
+
1
+
taillen
>=
MAXPATHLEN
)
continue
;
/* Too long */
strcpy
(
namebuf
,
getstringvalue
(
v
));
strcpy
(
namebuf
,
PyString_AsString
(
v
));
if
((
int
)
strlen
(
namebuf
)
!=
len
)
continue
;
/* v contains '\0' */
if
(
len
>
0
&&
namebuf
[
len
-
1
]
!=
SEP
)
...
...
@@ -211,7 +210,7 @@ tb_displayline(f, filename, lineno, name)
}
}
sprintf
(
linebuf
,
FMT
,
filename
,
lineno
,
name
);
writes
tring
(
linebuf
,
f
);
PyFile_WriteS
tring
(
linebuf
,
f
);
if
(
xfp
==
NULL
)
return
;
for
(
i
=
0
;
i
<
lineno
;
i
++
)
{
...
...
@@ -222,10 +221,10 @@ tb_displayline(f, filename, lineno, name)
char
*
p
=
linebuf
;
while
(
*
p
==
' '
||
*
p
==
'\t'
||
*
p
==
'\014'
)
p
++
;
writes
tring
(
" "
,
f
);
writes
tring
(
p
,
f
);
PyFile_WriteS
tring
(
" "
,
f
);
PyFile_WriteS
tring
(
p
,
f
);
if
(
strchr
(
p
,
'\n'
)
==
NULL
)
writes
tring
(
"
\n
"
,
f
);
PyFile_WriteS
tring
(
"
\n
"
,
f
);
}
fclose
(
xfp
);
}
...
...
@@ -233,7 +232,7 @@ tb_displayline(f, filename, lineno, name)
static
void
tb_printinternal
(
tb
,
f
,
limit
)
tracebackobject
*
tb
;
o
bject
*
f
;
PyO
bject
*
f
;
int
limit
;
{
int
depth
=
0
;
...
...
@@ -242,14 +241,15 @@ tb_printinternal(tb, f, limit)
depth
++
;
tb1
=
tb1
->
tb_next
;
}
while
(
tb
!=
NULL
&&
!
intrcheck
())
{
while
(
tb
!=
NULL
&&
!
PyOS_InterruptOccurred
())
{
if
(
depth
<=
limit
)
{
tb
->
tb_lineno
=
PyCode_Addr2Line
(
tb
->
tb_frame
->
f_code
,
tb
->
tb_lasti
);
tb_displayline
(
f
,
getstringvalue
(
tb
->
tb_frame
->
f_code
->
co_filename
),
PyString_AsString
(
tb
->
tb_frame
->
f_code
->
co_filename
),
tb
->
tb_lineno
,
getstringvalue
(
tb
->
tb_frame
->
f_code
->
co_name
));
PyString_AsString
(
tb
->
tb_frame
->
f_code
->
co_name
));
}
depth
--
;
tb
=
tb
->
tb_next
;
...
...
@@ -257,25 +257,25 @@ tb_printinternal(tb, f, limit)
}
int
tb_p
rint
(
v
,
f
)
o
bject
*
v
;
o
bject
*
f
;
PyTraceBack_P
rint
(
v
,
f
)
PyO
bject
*
v
;
PyO
bject
*
f
;
{
o
bject
*
limitv
;
PyO
bject
*
limitv
;
int
limit
=
1000
;
if
(
v
==
NULL
)
return
0
;
if
(
!
is_tracebackobject
(
v
))
{
err_badc
all
();
PyErr_BadInternalC
all
();
return
-
1
;
}
limitv
=
sysge
t
(
"tracebacklimit"
);
if
(
limitv
&&
is_intobject
(
limitv
))
{
limit
=
getintvalue
(
limitv
);
limitv
=
PySys_GetObjec
t
(
"tracebacklimit"
);
if
(
limitv
&&
PyInt_Check
(
limitv
))
{
limit
=
PyInt_AsLong
(
limitv
);
if
(
limit
<=
0
)
return
0
;
}
writes
tring
(
"Traceback (innermost last):
\n
"
,
f
);
PyFile_WriteS
tring
(
"Traceback (innermost last):
\n
"
,
f
);
tb_printinternal
((
tracebackobject
*
)
v
,
f
,
limit
);
return
0
;
}
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