diff options
| -rw-r--r-- | Misc/NEWS.d/next/Library/2018-09-11-15-04-05.bpo-34636.capCmt.rst | 2 | ||||
| -rw-r--r-- | Modules/_sre.c | 6 |
2 files changed, 5 insertions, 3 deletions
diff --git a/Misc/NEWS.d/next/Library/2018-09-11-15-04-05.bpo-34636.capCmt.rst b/Misc/NEWS.d/next/Library/2018-09-11-15-04-05.bpo-34636.capCmt.rst new file mode 100644 index 0000000..c982b0a --- /dev/null +++ b/Misc/NEWS.d/next/Library/2018-09-11-15-04-05.bpo-34636.capCmt.rst @@ -0,0 +1,2 @@ +Speed up re scanning of many non-matching characters for \s \w and \d within +bytes objects. (microoptimization) diff --git a/Modules/_sre.c b/Modules/_sre.c index d670830..483cf5e 100644 --- a/Modules/_sre.c +++ b/Modules/_sre.c @@ -87,13 +87,13 @@ static const char copyright[] = /* search engine state */ #define SRE_IS_DIGIT(ch)\ - ((ch) < 128 && Py_ISDIGIT(ch)) + ((ch) <= '9' && Py_ISDIGIT(ch)) #define SRE_IS_SPACE(ch)\ - ((ch) < 128 && Py_ISSPACE(ch)) + ((ch) <= ' ' && Py_ISSPACE(ch)) #define SRE_IS_LINEBREAK(ch)\ ((ch) == '\n') #define SRE_IS_WORD(ch)\ - ((ch) < 128 && (Py_ISALNUM(ch) || (ch) == '_')) + ((ch) <= 'z' && (Py_ISALNUM(ch) || (ch) == '_')) static unsigned int sre_lower_ascii(unsigned int ch) { |