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SF patch #720991 by Gary Herron:

Browse source 
A small fix for bug #545855 and Greg Chapman's
addition of op code SRE_OP_MIN_REPEAT_ONE for
eliminating recursion on simple uses of pattern '*?' on a
long string.
This commit is contained in:
Guido van Rossum 2003-04-14 17:59:34 +00:00
parent 44c62ef5ee
commit 41c99e7f96
7 changed files with 89 additions and 4 deletions
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7
Lib/sre_compile.py
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@ -55,8 +55,11 @@ def _compile(code, pattern, flags):
_compile(code, av[2], flags)
emit(OPCODES[SUCCESS])
code[skip] = len(code) - skip
elif _simple(av) and op == MAX_REPEAT:
emit(OPCODES[REPEAT_ONE])
elif _simple(av) and op != REPEAT:
if op == MAX_REPEAT:
emit(OPCODES[REPEAT_ONE])
else:
emit(OPCODES[MIN_REPEAT_ONE])
skip = len(code); emit(0)
emit(av[0])
emit(av[1])