X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=Todo;h=3340e4fbf5052e9dfebcbe2a437f2b40f58cd5c9;hb=9b6570b4f9243e4e8b953fb4650b22aab639eabc;hp=595725a0987021e91524002bf3482b61e7019d81;hpb=748a93069b3d16374a9859d1456065dd3ae11394;p=p5sagit%2Fp5-mst-13.2.git diff --git a/Todo b/Todo index 595725a..3340e4f 100644 --- a/Todo +++ b/Todo @@ -5,27 +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 report HANDLE [formats]. - tie(FILEHANDLE, ...) - __DATA__ support in perlmain to rerun debugger - make 'r' print return value like gdb 'fini' - regression tests using __WARN__ and __DIE__ hooks + 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 @@ -34,8 +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?)) @@ -43,27 +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?) 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