X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Todo-5.6;h=527ab82a1ca33fb8c38e1b5f988278cde8dd146f;hb=2e1d04bc4fa2d036f823d5251c731f594e0246dd;hp=f214ba6a8799115a2ec9f90f9e257fe8ef83c423;hpb=6d4a0c54c276d09d6928f214f3f448fa26ea4970;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Todo-5.6 b/Todo-5.6 index f214ba6..527ab82 100644 --- a/Todo-5.6 +++ b/Todo-5.6 @@ -1,6 +1,3 @@ -Bugs - fix small memory leaks on compile-time failures - Unicode support finish byte <-> utf8 and localencoding <-> utf8 conversions make substr($bytestr,0,0,$charstr) do the right conversion @@ -15,7 +12,11 @@ Unicode support eliminate need for "use utf8;" autoload byte.pm when byte:: is seen by the parser check uv_to_utf8() calls for buffer overflow - (see also "Locales", "Regexen", and "Miscellaneous") + make \uXXXX (and \u{XXXX}?) where XXXX are hex digits + to work similarly to Unicode tech reports and Java + notation \uXXXX (and already existing \x{XXXX))? + more than four hexdigits? make also \U+XXXX work? + See also "Locales", "Regexen", and "Miscellaneous". Multi-threading support "use Thread;" under useithreads @@ -51,6 +52,7 @@ Configure POSIX 1003.1 1996 Edition support--realtime stuff: POSIX semaphores, message queues, shared memory, realtime clocks, timers, signals (the metaconfig units mostly already exist for these) + better shadow password support: see pp_sys.c:pp_gpwent() UNIX98 support: reader-writer locks, realtime/asynchronous IO IPv6 support: see RFC2292, RFC2553 @@ -70,15 +72,16 @@ Locales figure out how to support Unicode locales suggestion: integrate the IBM Classes for Unicode (ICU) http://oss.software.ibm.com/developerworks/opensource/icu/project/ - and check out also the Locale Converter: + ICU is "portable, open-source Unicode library with: + charset-independent locales (with multiple locales + simultaneously supported in same thread; character + conversions; formatting/parsing for numbers, currencies, + date/time and messages; message catalogs (resources); + transliteration, collation, normalization, and text + boundaries (grapheme, word, line-break))". + Check out also the Locale Converter: http://alphaworks.ibm.com/tech/localeconverter - ICU is "portable, open-source Unicode library with: - charset-independent locales (with multiple locales simultaneously - supported in same thread; character conversions; formatting/parsing - for numbers, currencies, date/time and messages; message catalogs - (resources) ; transliteration, collation, normalization, and text - boundaries (grapheme, word, line-break))". - There is also 'iconv', either from XPG4 or GNU (glibc). + There is also the iconv interface, either from XPG4 or GNU (glibc). iconv is about character set conversions. Either ICU or iconv would be valuable to get integrated into Perl, Configure already probes for libiconv and . @@ -104,6 +107,9 @@ Regexen this is also a part of the Unicode 3.0: http://www.unicode.org/unicode/uni2book/u2.html executive summary: there are several different levels of 'equivalence' + trie optimization: factor out common suffixes (and prefixes?) + from |-alternating groups (both for exact strings and character + classes, use lookaheads?) approximate matching Security @@ -128,12 +134,14 @@ Miscellaneous Configure doesn't yet probe for usleep/nanosleep/ualarm but the units exist) floating point handling: nans, infinities, fp exception masks, etc. - at least the following interfaces exist: fp_classify(), fp_class(), - class(), isnan(), isinf(), isfinite(), finite(), isnormal(), - ordered(), fp_setmask(), fp_getmask(), fp_setround(), fp_getround(), - ieeefp.h, fp_class.h. There are metaconfig units for most of these. - Search for ifdef __osf__ in pp.c to find a temporary fix that - needs to be done right. + At least the following interfaces exist: fp_classify(), fp_class(), + class(), isinf(), isfinite(), finite(), isnormal(), unordered(), + , (there are metaconfig units for all these), + fp_setmask(), fp_getmask(), fp_setround(), fp_getround() + (no metaconfig units yet for these). + Don't forget finitel(), fp_classl(), fp_class_l(), (yes, both do, + unfortunately, exist), and unorderedl(). + As of 5.6.1 there is cpp macro Perl_isnan(). fix the basic arithmetics (+ - * / %) to preserve IVness/UVness if both arguments are IVs/UVs replace pod2html with new PodtoHtml? (requires other modules from CPAN)