-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
- Wrong line reported for runtime elsif condition error
- TOOSTRICT is not too strict
- recv and sysread should taint
-
-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()
+ $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 __WARN__ and __DIE__ hooks
-Pragmas ("assume" maybe?)
- integer, float
- nodebug, debug
- autocroak?
+Possible pragmas
+ debugger
+ 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 (1..1000000)
+ 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 }
+ Rewrite regexp parser for better integrated optimization
-Need to think more about
+Vague possibilities
ref function in list context
Populate %SIG at startup if appropriate
-
-Vague possibilities
- 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
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
+