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profile cumulative time for all NACs

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This commit is contained in:
Joeri Exelmans 2024-11-25 13:48:57 +01:00
parent 38e120e6c8
commit b6a654580c
1 changed files with 28 additions and 30 deletions
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58
transformation/rule.py
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@ -50,38 +50,36 @@ class RuleMatcherRewriter:
nac_matched = False
try:
for i_nac, nac in enumerate(nacs):
# For every LHS-match, we see if there is a NAC-match:
nac_matcher = match_od(self.state,
host_m=m,
host_mm=self.mm,
pattern_m=nac,
pattern_mm=self.mm_ramified,
pivot=lhs_match) # try to "grow" LHS-match with NAC-match
with Timer(f"MATCH NACs {rule_name}"):
try:
for i_nac, nac in enumerate(nacs):
# For every LHS-match, we see if there is a NAC-match:
nac_matcher = match_od(self.state,
host_m=m,
host_mm=self.mm,
pattern_m=nac,
pattern_mm=self.mm_ramified,
pivot=lhs_match) # try to "grow" LHS-match with NAC-match
try:
# for nac_match in nac_matcher:
while True:
try:
with Timer(f"MATCH NAC{i_nac} {rule_name}"):
nac_match = nac_matcher.__next__()
try:
# for nac_match in nac_matcher:
while True:
try:
with Timer(f"MATCH NAC{i_nac} {rule_name}"):
nac_match = nac_matcher.__next__()
# The NAC has at least one match
# (there could be more, but we know enough, so let's not waste CPU/MEM resources and proceed to next LHS match)
raise _NAC_MATCHED()
except StopIteration:
break # no more nac-matches
raise _NAC_MATCHED()
except StopIteration:
break # no more nac-matches
# The NAC has at least one match
# (there could be more, but we know enough, so let's not waste CPU/MEM resources and proceed to next LHS match)
nac_matched = True
break
except Exception as e:
# The exception may originate from eval'ed condition-code in LHS or NAC
# Decorate exception with some context, to help with debugging
e.add_note(f"while matching NAC of '{rule_name}'")
raise
except _NAC_MATCHED:
continue # continue with next LHS-match
except Exception as e:
# The exception may originate from eval'ed condition-code in LHS or NAC
# Decorate exception with some context, to help with debugging
e.add_note(f"while matching NAC of '{rule_name}'")
raise
except _NAC_MATCHED:
continue # continue with next LHS-match
# There were no NAC matches -> yield LHS-match!
yield lhs_match