[Python-bugs-list] [ python-Bugs-708901 ] Lineno calculation sometimes broken
SourceForge.net
noreply@sourceforge.net
Mon, 24 Mar 2003 09:36:25 -0800
Bugs item #708901, was opened at 2003-03-24 17:09
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=708901&group_id=5470
Category: Python Interpreter Core
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Greg Chapman (glchapman)
Assigned to: Michael Hudson (mwh)
Summary: Lineno calculation sometimes broken
Initial Comment:
I'm running the win32 version of Python 2.3a2. I ran into
this when I got a traceback pointing to a wrong
linenumber. It also messes up debugging in
Pythonwin. Anyway, you can see from the disassembly
below that something goes seriously amiss when the
code reaches the FOR_ITER:
>>> import httplib
>>> import dis
>>> dis.dis(httplib.HTTPConnection.connect)
524 0 LOAD_CONST
3 STORE_FAST
525 6 SETUP_LOOP
9 LOAD_GLOBAL
12 LOAD_ATTR
15 LOAD_FAST
18 LOAD_ATTR
21 LOAD_FAST
24 LOAD_ATTR
27 LOAD_CONST
526 30 LOAD_GLOBAL
33 LOAD_ATTR
36 CALL_FUNCTION
39 GET_ITER
781 >> 40 FOR_ITER
----------------------------------------------------------------------
>Comment By: Michael Hudson (mwh)
Date: 2003-03-24 17:36
Message:
Logged In: YES
user_id=6656
Waddya know, it's not my fault.
For some reason, something is trying to store a negative
line_incr into the c_lnotab which gets masked into a line
increment of 255. Fun.
----------------------------------------------------------------------
Comment By: Michael Hudson (mwh)
Date: 2003-03-24 17:16
Message:
Logged In: YES
user_id=6656
yow! probably my fault.
----------------------------------------------------------------------
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=105470&aid=708901&group_id=5470