X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Todo;h=3340e4fbf5052e9dfebcbe2a437f2b40f58cd5c9;hb=134ca994cfefe0f613d43505a885e4fc2100b05c;hp=6e75f7ea37168afea07f2a75aaff3d92e1680b3b;hpb=85e6fe838fb25b257a1b363debf8691c0992ef71;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Todo b/Todo old mode 100755 new mode 100644 index 6e75f7e..3340e4f --- a/Todo +++ b/Todo @@ -1,84 +1,57 @@ -Modules - POSIX (in progress) - X/Motif/Tk etc. - Tie Modules VecArray Implement array using vec() SubstrArray Implement array using substr() VirtualArray Implement array using a file ShiftSplice Defines shift et al in terms of splice method -Bugs - Make yyparse recursion longjmp() proof. - Make "delete $array{$key} while ($key) = each %array" safe - <$handle> doesn't work intuitively if $handle is ARGV - Anything in the Bugs directory - -Regexp extensions - /m for multiline - /\Afoo/ (beginning of string, or where previous g match left off) - /foo\Z/ (end of string only) - negative regexp assertions? - /<>/x for grouping? - /f for fixed variable interpolation? - Rewrite regexp parser for better integrated optimization - Would be nice to have - Profiler pack "(stuff)*" Contiguous bitfields in pack/unpack lexperl Bundled perl preprocessor - Make $[ compile-time instead of run-time Use posix calls internally where possible - const variables gettimeofday - bytecompiler format BOTTOM - willcall() -iprefix. -i rename file only when successfully changed All ARGV input should act like <> - Multiple levels of warning - .= shouldn't complain about undefined under -w report HANDLE [formats]. - tie(FILEHANDLE, ...) - __DATA__ - -Possible averments + support in perlmain to rerun debugger + regression tests using __DIE__ hook + reference to compiled regexp + lexically scoped functions: my sub foo { ... } + lvalue functions + regression/sanity tests for suidperl + Full 64 bit support (i.e. "long long") + +Possible pragmas debugger - optimize + optimize (use less memory, CPU) Optimizations - Optimize switch statements - Optimize foreach on array - Optimize foreach (1..1000000) + constant function cache + switch structures + eval qw() at compile time + foreach(reverse...) Set KEEP on constant split Cache eval tree (unless lexical outer scope used (mark in &compiling?)) rcatmaybe Shrink opcode tables via multiple implementations selected in peep - Cache hash value? + Cache hash value? (Not a win, according to Guido) Optimize away @_ where possible - sfio? "one pass" global destruction Optimize sort by { $a <=> $b } - -Need to think more about - ref function in list context - Populate %SIG at startup if appropriate + Rewrite regexp parser for better integrated optimization + LRU cache of regexp: foreach $pat (@pats) { foo() if /$pat/ } Vague possibilities - sub mysplice(@, $, $, ...) - data prettyprint function? (or is it, as I suspect, a lib routine?) - Nested destructors + ref function in list context make tr/// return histogram in list context? - undef wantarray in void context Loop control on do{} et al Explicit switch statements - perl to C translator - multi-thread scheduling built-in globbing compile to real threaded code structured types - paren counting in tokener to queue remote expectations autocroak? + Modifiable $1 et al +