X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Todo-5.6;h=30c7cc04083a8391495e0f1f2b2957bc94cf4528;hb=7bd161a15a083a0aed82ba8e1fa3d6df6f975c68;hp=72553630c8544616e8ba3de1cf90ef22a5c6c791;hpb=6c85e8b08904ca818d89c23de9b1da2d4e7872b4;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Todo-5.6 b/Todo-5.6 index 7255363..30c7cc0 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 @@ -13,10 +10,13 @@ Unicode support - a way to set default disciplines for all handle constructors: use open IN => ":any", OUT => ":utf8", SYS => ":utf16" eliminate need for "use utf8;" - autoload utf8_heavy.pl's swash routines in swash_init() 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 @@ -43,17 +43,18 @@ Namespace cleanup API-space: complete the list of things that constitute public api Configure - fix the vicious cyclic multidependency of cc <-> libpth <-> loclibpth - libswanted <-> usethreads <-> use64bitint <-> use64bitall <-> - uselargefiles <-> ... make configuring+building away from source directory work (VPATH et al) this is related to: cross-compilation configuring (see Todo) _r support (see Todo for mode detailed description) 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) + PREFERABLY AS AN EXTENSION UNIX98 support: reader-writer locks, realtime/asynchronous IO + PREFERABLY AS AN EXTENSION IPv6 support: see RFC2292, RFC2553 + PREFERABLY AS AN EXTENSION + there already is Socket6 in CPAN Long doubles figure out where the PV->NV->PV conversion gets it wrong at least @@ -64,6 +65,7 @@ Long doubles 64-bit support Configure probe for quad_t, uquad_t, and (argh) u_quad_t, they might be in some systems the only thing working as quadtype and uquadtype. + more pain: long_long, u_long_long. Locales deprecate traditional/legacy locales? @@ -71,15 +73,16 @@ 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 . @@ -105,6 +108,9 @@ 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 @@ -124,19 +130,25 @@ Win32 stuff work out DLL versioning Miscellaneous + introduce @( and @) because group names can have spaces add new modules (Archive::Tar, Compress::Zlib, CPAN::FTP?) sub-second sleep()? alarm()? time()? (integrate Time::HiRes? 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(). + PREFERABLY AS AN EXTENSION. + 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 + both arguments are IVs/UVs: it sucks that one cannot see + the 'carry flag' (or equivalent) of the CPU from C, + C is too high-level... replace pod2html with new PodtoHtml? (requires other modules from CPAN) automate testing with large parts of CPAN Unicode collation? http://www.unicode.org/unicode/reports/tr10/ @@ -158,3 +170,5 @@ Documentation spot-check all new modules for completeness better docs for pack()/unpack() reorg tutorials vs. reference sections + make roffitall to be dynamical about its pods and libs +