X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Todo;h=3340e4fbf5052e9dfebcbe2a437f2b40f58cd5c9;hb=72b5445bd8dae616be2d969c596f57ff003832e2;hp=a71e3ff43c28e1067ea8ecf9a6cfa467c861472d;hpb=a0d0e21ea6ea90a22318550944fe6cb09ae10cda;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Todo b/Todo old mode 100755 new mode 100644 index a71e3ff..3340e4f --- a/Todo +++ b/Todo @@ -1,7 +1,3 @@ -Modules needed - X/Motif/Tk etc. - Curses - Tie Modules VecArray Implement array using vec() SubstrArray Implement array using substr() @@ -9,27 +5,24 @@ Tie Modules ShiftSplice Defines shift et al in terms of splice method Would be nice to have - Profiler pack "(stuff)*" Contiguous bitfields in pack/unpack lexperl Bundled perl preprocessor Use posix calls internally where possible - const variables gettimeofday - bytecompiler format BOTTOM - $obj->can("method") to probe method inheritance -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__ support in perlmain to rerun debugger - make 'r' print return value like gdb 'fini' + 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 @@ -38,8 +31,7 @@ Possible pragmas Optimizations constant function cache switch structures - foreach(@array) - foreach (1..1000000) + eval qw() at compile time foreach(reverse...) Set KEEP on constant split Cache eval tree (unless lexical outer scope used (mark in &compiling?)) @@ -47,29 +39,19 @@ Optimizations Shrink opcode tables via multiple implementations selected in peep Cache hash value? (Not a win, according to Guido) Optimize away @_ where possible - sfio? "one pass" global destruction Optimize sort by { $a <=> $b } Rewrite regexp parser for better integrated optimization + LRU cache of regexp: foreach $pat (@pats) { foo() if /$pat/ } Vague possibilities ref function in list context - Populate %SIG at startup if appropriate - sub mysplice(@, $, $, ...) - data prettyprint function? (or is it, as I suspect, a lib routine?) - Nested destructors 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 - substr EXPR,OFFSET,LENGTH,STRING - locally capture warnings into an array