diff options
Diffstat (limited to 'Lib/sre_compile.py')
| -rw-r--r-- | Lib/sre_compile.py | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py index 27ab1fe..d3eb3c1 100644 --- a/Lib/sre_compile.py +++ b/Lib/sre_compile.py @@ -24,14 +24,25 @@ else: def _identityfunction(x): return x +def set(seq): + s = {} + for elem in seq: + s[elem] = 1 + return s + +_LITERAL_CODES = set([LITERAL, NOT_LITERAL]) +_REPEATING_CODES = set([REPEAT, MIN_REPEAT, MAX_REPEAT]) +_SUCCESS_CODES = set([SUCCESS, FAILURE]) +_ASSERT_CODES = set([ASSERT, ASSERT_NOT]) + def _compile(code, pattern, flags): # internal: compile a (sub)pattern emit = code.append _len = len - LITERAL_CODES = {LITERAL:1, NOT_LITERAL:1} - REPEATING_CODES = {REPEAT:1, MIN_REPEAT:1, MAX_REPEAT:1} - SUCCESS_CODES = {SUCCESS:1, FAILURE:1} - ASSERT_CODES = {ASSERT:1, ASSERT_NOT:1} + LITERAL_CODES = _LITERAL_CODES + REPEATING_CODES = _REPEATING_CODES + SUCCESS_CODES = _SUCCESS_CODES + ASSERT_CODES = _ASSERT_CODES for op, av in pattern: if op in LITERAL_CODES: if flags & SRE_FLAG_IGNORECASE: |