Commit Graph

708 Commits

Author SHA1 Message Date
Antoine Pitrou 978b9d2a27 Fix formatting memory consumption with very large padding specifications 2011-10-07 12:35:48 +02:00
Victor Stinner 59de0ee9e0 str.replace(a, a) is now returning str unchanged if a is a 2011-10-07 10:01:28 +02:00
Antoine Pitrou 5c0ba36d5f Fix massive slowdown in string formatting with the % operator 2011-10-07 01:54:09 +02:00
Antoine Pitrou 7c46da7993 Ensure that 1-char singletons get used 2011-10-06 22:07:51 +02:00
Victor Stinner c6f0df7b20 Fix PyUnicode_Join() for len==1 and non-exact string 2011-10-06 15:58:54 +02:00
Antoine Pitrou 15a66cf134 Fix compilation under Windows 2011-10-06 15:25:32 +02:00
Victor Stinner 200f21340d Fix assertion in unicode_adjust_maxchar() 2011-10-06 13:27:56 +02:00
Victor Stinner acf47b807f Fix my last change on PyUnicode_Join(): don't process separator if len==1 2011-10-06 12:32:37 +02:00
Victor Stinner 25a4b29c95 str.replace() avoids memory when it's possible 2011-10-06 12:31:55 +02:00
Victor Stinner 56c161ab00 _copy_characters() fails more quickly in debug mode on inconsistent state 2011-10-06 02:47:11 +02:00
Victor Stinner c729b8e92f Fix a compiler warning: don't define unicode_is_singleton() in release mode 2011-10-06 02:36:59 +02:00
Victor Stinner fb9ea8c57e Don't check for the maximum character when copying from unicodeobject.c
* Create copy_characters() function which doesn't check for the maximum
   character in release mode
 * _PyUnicode_CheckConsistency() is no more static to be able to use it
   in _PyUnicode_FormatAdvanced() (in formatter_unicode.c)
 * _PyUnicode_CheckConsistency() checks the string hash
2011-10-06 01:45:57 +02:00
Victor Stinner 05d1189566 Fix post-condition in unicode_repr(): check the result, not the input 2011-10-06 01:13:58 +02:00
Victor Stinner f48323e3b3 replace() uses unicode_fromascii() if the input and replace string is ASCII 2011-10-05 23:27:08 +02:00
Victor Stinner 0617b6e18b unicode_fromascii() checks that the input is ASCII in debug mode 2011-10-05 23:26:01 +02:00
Victor Stinner c3cec7868b Add asciilib: similar to ucs1, ucs2 and ucs4 library, but specialized to ASCII
ucs1, ucs2 and ucs4 libraries have to scan created substring to find the
maximum character, whereas it is not need to ASCII strings. Because ASCII
strings are common, it is useful to optimize ASCII.
2011-10-05 21:24:08 +02:00
Victor Stinner 14f8f02826 Fix PyUnicode_Partition(): str_in->str_obj 2011-10-05 20:58:25 +02:00
Victor Stinner bb10a1f759 Ensure that newly created strings use the most efficient store in debug mode 2011-10-05 01:34:17 +02:00
Victor Stinner 9310abbf40 Replace PyUnicodeObject* with PyObject* where it was inappropriate 2011-10-05 00:59:23 +02:00
Victor Stinner ce5faf673e unicodeobject.c doesn't make output strings ready in debug mode
Try to only create non ready strings in debug mode to ensure that all functions
(not only in unicodeobject.c, everywhere) make input strings ready.
2011-10-05 00:42:43 +02:00
Georg Brandl 7597addbd4 More typoes. 2011-10-05 16:36:47 +02:00
Victor Stinner c80d6d20d5 Speedup str[a🅱️step] for step != 1
Try to stop the scanner of the maximum character before the end using a limit
depending on the kind (e.g. 256 for PyUnicode_2BYTE_KIND).
2011-10-05 14:13:28 +02:00
Victor Stinner ae86485517 Speedup find_maxchar_surrogates() for 32-bit wchar_t
If we have at least one character in U+10000-U+10FFFF, we know that we must use
PyUnicode_4BYTE_KIND kind.
2011-10-05 14:02:44 +02:00
Victor Stinner b9275c104e Speedup str[a:b] and PyUnicode_FromKindAndData
* str[a:b] doesn't scan the string for the maximum character if the string
   is ascii only
 * PyUnicode_FromKindAndData() stops if we are sure that we cannot use a
   shorter character type. For example, _PyUnicode_FromUCS1() stops if we
   have at least one character in range U+0080-U+00FF
2011-10-05 14:01:42 +02:00
Victor Stinner 702c734395 Speedup the ASCII decoder
It is faster for long string and a little bit faster for short strings,
benchmark on Linux 32 bits, Intel Core i5 @ 3.33GHz:

./python -m timeit 'x=b"a"' 'x.decode("ascii")'
./python -m timeit 'x=b"x"*80' 'x.decode("ascii")'
./python -m timeit 'x=b"abc"*4096' 'x.decode("ascii")'

length |   before   | after
-------+------------+-----------
     1 | 0.234 usec | 0.229 usec
    80 | 0.381 usec | 0.357 usec
12,288 |  11.2 usec |  3.01 usec
2011-10-05 13:50:52 +02:00
Victor Stinner e1335c711c Fix usage og PyUnicode_READY() 2011-10-04 20:53:03 +02:00
Victor Stinner e06e145943 _PyUnicode_READY_REPLACE() cannot be used in unicode_subtype_new() 2011-10-04 20:52:31 +02:00
Victor Stinner 17efeed284 Add DONT_MAKE_RESULT_READY to unicodeobject.c to help detecting bugs
Use also _PyUnicode_READY_REPLACE() when it's applicable.
2011-10-04 20:05:46 +02:00
Victor Stinner 6b56a7fd3d Add assertion to _Py_ReleaseInternedUnicodeStrings() if READY fails 2011-10-04 20:04:52 +02:00
Antoine Pitrou 875f29bb95 Fix naïve heuristic in unicode slicing (followup to 1b4f886dc9e2) 2011-10-04 20:00:49 +02:00
Antoine Pitrou 2242522fde Add a necessary call to PyUnicode_READY() (followup to ab5086539ab9) 2011-10-04 19:10:51 +02:00
Antoine Pitrou 7aec401966 Optimize string slicing to use the new API 2011-10-04 19:08:01 +02:00
Antoine Pitrou e19aa388e8 When expandtabs() would be a no-op, don't create a duplicate string 2011-10-04 16:04:01 +02:00
Antoine Pitrou e71d574a39 Migrate str.expandtabs to the new API 2011-10-04 15:55:09 +02:00
Benjamin Peterson 7f3140ef80 fix parens 2011-10-03 19:37:29 -04:00
Benjamin Peterson 4bfce8f81f fix formatting 2011-10-03 19:35:07 -04:00
Benjamin Peterson ccc51c1fc6 fix compiler warnings 2011-10-03 19:34:12 -04:00
Victor Stinner b092365cc6 Move in-place Unicode append to its own subfunction 2011-10-04 01:17:31 +02:00
Victor Stinner a5f9163501 Reindent internal Unicode macros 2011-10-04 01:07:11 +02:00
Victor Stinner a41463c203 Document utf8_length and wstr_length states
Ensure these states with assertions in _PyUnicode_CheckConsistency().
2011-10-04 01:05:08 +02:00
Victor Stinner 9566311014 resize_inplace() sets utf8_length to zero if the utf8 is not shared8
Cleanup also the code.
2011-10-04 01:03:50 +02:00
Victor Stinner 9e9d689d85 PyUnicode_New() sets utf8_length to zero for latin1 2011-10-04 01:02:02 +02:00
Victor Stinner 016980454e Unicode: raise SystemError instead of ValueError or RuntimeError on invalid
state
2011-10-04 00:04:26 +02:00
Victor Stinner 7f11ad4594 Unicode: document when the wstr pointer is shared with data
Add also related assertions to _PyUnicode_CheckConsistency().
2011-10-04 00:00:20 +02:00
Victor Stinner 03490918b7 Add _PyUnicode_HAS_WSTR_MEMORY() macro 2011-10-03 23:45:12 +02:00
Victor Stinner 9ce5a835bb PyUnicode_Join() checks output length in debug mode
PyUnicode_CopyCharacters() may copies less character than requested size, if
the input string is smaller than the argument. (This is very unlikely, but who
knows!?)

Avoid also calling PyUnicode_CopyCharacters() if the string is empty.
2011-10-03 23:36:02 +02:00
Victor Stinner b803895355 Fix a compiler warning in PyUnicode_Append()
Don't check PyUnicode_CopyCharacters() in release mode. Rename also some
variables.
2011-10-03 23:27:56 +02:00
Victor Stinner 8cfcbed4e3 Improve string forms and PyUnicode_Resize() documentation
Remove also the FIXME for resize_copy(): as discussed with Martin, copy the
string on resize if the string is not resizable is just fine.
2011-10-03 23:19:21 +02:00
Victor Stinner 77bb47b312 Simplify unicode_resizable(): singletons reference count is at least 2 2011-10-03 20:06:05 +02:00
Victor Stinner 85041a54bd _PyUnicode_CheckConsistency() checks utf8 field consistency 2011-10-03 14:42:39 +02:00