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| author | Serhiy Storchaka <storchaka@gmail.com> | 2014-11-11 19:13:28 (GMT) |
|---|---|---|
| committer | Serhiy Storchaka <storchaka@gmail.com> | 2014-11-11 19:13:28 (GMT) |
| commit | ab14088141ab749763e35b7a49e79c368940e12d (patch) | |
| tree | 0369f9a136bfea659c24b0cf9fedf2ee98272308 /Lib/sre_compile.py | |
| parent | 9a64ccb997a99f85c2538047823c7478bfcff6ed (diff) | |
| download | cpython-ab14088141ab749763e35b7a49e79c368940e12d.zip cpython-ab14088141ab749763e35b7a49e79c368940e12d.tar.gz cpython-ab14088141ab749763e35b7a49e79c368940e12d.tar.bz2 | |
Minor code clean up and improvements in the re module.
Diffstat (limited to 'Lib/sre_compile.py')
| -rw-r--r-- | Lib/sre_compile.py | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py index f5aef7a..1241a01 100644 --- a/Lib/sre_compile.py +++ b/Lib/sre_compile.py @@ -16,11 +16,6 @@ from sre_constants import * assert _sre.MAGIC == MAGIC, "SRE module mismatch" -if _sre.CODESIZE == 2: - MAXCODE = 65535 -else: - MAXCODE = 0xFFFFFFFF - _LITERAL_CODES = {LITERAL, NOT_LITERAL} _REPEATING_CODES = {REPEAT, MIN_REPEAT, MAX_REPEAT} _SUCCESS_CODES = {SUCCESS, FAILURE} @@ -191,7 +186,7 @@ def _compile(code, pattern, flags): emit(JUMP) tailappend(_len(code)); emit(0) code[skip] = _len(code) - skip - emit(0) # end of branch + emit(FAILURE) # end of branch for tail in tail: code[tail] = _len(code) - tail elif op is CATEGORY: @@ -374,6 +369,7 @@ def _optimize_charset(charset, fixup, fixes): return out _CODEBITS = _sre.CODESIZE * 8 +MAXCODE = (1 << _CODEBITS) - 1 _BITS_TRANS = b'0' + b'1' * 255 def _mk_bitmap(bits, _CODEBITS=_CODEBITS, _int=int): s = bits.translate(_BITS_TRANS)[::-1] @@ -477,9 +473,9 @@ def _compile_info(code, pattern, flags): elif op is IN: charset = av ## if prefix: -## print "*** PREFIX", prefix, prefix_skip +## print("*** PREFIX", prefix, prefix_skip) ## if charset: -## print "*** CHARSET", charset +## print("*** CHARSET", charset) # add an info block emit = code.append emit(INFO) @@ -489,9 +485,9 @@ def _compile_info(code, pattern, flags): if prefix: mask = SRE_INFO_PREFIX if len(prefix) == prefix_skip == len(pattern.data): - mask = mask + SRE_INFO_LITERAL + mask = mask | SRE_INFO_LITERAL elif charset: - mask = mask + SRE_INFO_CHARSET + mask = mask | SRE_INFO_CHARSET emit(mask) # pattern length if lo < MAXCODE: |