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gh-97982: Remove asciilib_count() by vstinner · Pull Request #98164 · python/cpython · GitHub

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gh-97982: Remove asciilib_count() #98164

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Merged
vstinner merged 1 commit into from
Oct 11, 2022
Conversation 6 Commits 1 Checks 0 Files changed
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gh-97982: Remove asciilib_count() #98164

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7 changes: 6 additions & 1 deletion Objects/stringlib/count.h
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,11 @@
#error must include "stringlib/fastsearch.h" before including this module
#endif

// gh-97982: Implementing asciilib_count() is not worth it, FASTSEARCH() does
// not specialize the code for ASCII strings. Use ucs1lib_count() for ASCII and
// UCS1 strings: it's the same than asciilib_count().
#if !STRINGLIB_IS_UNICODE || STRINGLIB_MAX_CHAR > 0x7Fu

Py_LOCAL_INLINE(Py_ssize_t)
STRINGLIB(count)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
const STRINGLIB_CHAR* sub, Py_ssize_t sub_len,
Expand All @@ -24,4 +29,4 @@ STRINGLIB(count)(const STRINGLIB_CHAR* str, Py_ssize_t str_len,
return count;
}


#endif
19 changes: 5 additions & 14 deletions Objects/unicodeobject.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9000,16 +9000,10 @@ PyUnicode_Count(PyObject *str,

switch (kind1) {
case PyUnicode_1BYTE_KIND:
if (PyUnicode_IS_ASCII(str) && PyUnicode_IS_ASCII(substr))
result = asciilib_count(
((const Py_UCS1*)buf1) + start, end - start,
buf2, len2, PY_SSIZE_T_MAX
);
else
result = ucs1lib_count(
((const Py_UCS1*)buf1) + start, end - start,
buf2, len2, PY_SSIZE_T_MAX
);
result = ucs1lib_count(
((const Py_UCS1*)buf1) + start, end - start,
buf2, len2, PY_SSIZE_T_MAX
);
break;
case PyUnicode_2BYTE_KIND:
result = ucs2lib_count(
Expand Down Expand Up @@ -9904,10 +9898,7 @@ anylib_count(int kind, PyObject *sstr, const void* sbuf, Py_ssize_t slen,
{
switch (kind) {
case PyUnicode_1BYTE_KIND:
if (PyUnicode_IS_ASCII(sstr) && PyUnicode_IS_ASCII(str1))
return asciilib_count(sbuf, slen, buf1, len1, maxcount);
else
return ucs1lib_count(sbuf, slen, buf1, len1, maxcount);
return ucs1lib_count(sbuf, slen, buf1, len1, maxcount);
case PyUnicode_2BYTE_KIND:
return ucs2lib_count(sbuf, slen, buf1, len1, maxcount);
case PyUnicode_4BYTE_KIND:
Expand Down
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