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bpo-30419: DOC: Update missing information in bdb docs (#1687)

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Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
Co-authored-by: Martin Panter <vadmium@users.noreply.github.com>
Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
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Cheryl Sabella 2022-09-02 13:22:42 -04:00 • committed by GitHub
parent 2a9e4e4d73
commit ccce9b77e1
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2 changed files with 133 additions and 65 deletions
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17
Lib/bdb.py
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@ -805,15 +805,18 @@ def checkfuncname(b, frame):
return True
# Determines if there is an effective (active) breakpoint at this
# line of code. Returns breakpoint number or 0 if none
def effective(file, line, frame):
"""Determine which breakpoint for this file:line is to be acted upon.
"""Return (active breakpoint, delete temporary flag) or (None, None) as
breakpoint to act upon.
Called only if we know there is a breakpoint at this location. Return
the breakpoint that was triggered and a boolean that indicates if it is
ok to delete a temporary breakpoint. Return (None, None) if there is no
matching breakpoint.
The "active breakpoint" is the first entry in bplist[line, file] (which
must exist) that is enabled, for which checkfuncname is True, and that
has neither a False condition nor a positive ignore count. The flag,
meaning that a temporary breakpoint should be deleted, is False only
when the condiion cannot be evaluated (in which case, ignore count is
ignored).
If no such entry exists, then (None, None) is returned.
"""
possibles = Breakpoint.bplist[file, line]
for b in possibles: