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scripts: Some minor regex cleanup

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Just trying to make regex in scripts a bit more consistent. Though regex
being regex this may be fruitless.
This commit is contained in:
Christopher Haster
2024-12-04 01:02:50 -06:00
parent 28d89eb009
commit b90b2953ea
6 changed files with 42 additions and 44 deletions
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27
scripts/perfbd.py
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@ -352,22 +352,21 @@ def collect_dwarf_lines(obj_path, *,
objdump_path=OBJDUMP_PATH,
**args):
line_pattern = re.compile(
'^\s*(?:'
# matches dir/file table
'(?P<no>[0-9]+)'
# matches dir/file table
'^\s*(?P<no>[0-9]+)'
'(?:\s+(?P<dir>[0-9]+))?'
'.*\s+(?P<path>[^\s]+)'
'.*\s+(?P<path>[^\s]+)\s*$'
# matches line opcodes
'|' '\[[^\]]*\]\s+' '(?:'
'(?P<op_special>Special)'
'|' '(?P<op_copy>Copy)'
'|' '(?P<op_end>End of Sequence)'
'|' 'File .*?to (?:entry )?(?P<op_file>\d+)'
'|' 'Line .*?to (?P<op_line>[0-9]+)'
'|' '(?:Address|PC) .*?to (?P<op_addr>[0x0-9a-fA-F]+)'
'|' '.'
')*'
')\s*$', re.IGNORECASE)
'|' '^\s*\[[^\]]*\]' '(?:'
'\s+(?P<op_special>Special)'
'|' '\s+(?P<op_copy>Copy)'
'|' '\s+(?P<op_end>End of Sequence)'
'|' '\s+File.*?to.*?(?P<op_file>[0-9]+)'
'|' '\s+Line.*?to.*?(?P<op_line>[0-9]+)'
'|' '\s+(?:Address|PC)'
'\s+.*?to.*?(?P<op_addr>[0xX0-9a-fA-F]+)'
'|' '\s+[^\s]+' ')+\s*$',
re.IGNORECASE)
# state machine for dwarf line numbers, note that objdump's
# decodedline seems to have issues with multiple dir/file