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| author | Nicholas Clark <nick@ccl4.org> | 2005-12-23 12:01:29 +0000 |
|---|---|---|
| committer | Nicholas Clark <nick@ccl4.org> | 2005-12-23 12:01:29 +0000 |
| commit | 70e590749aafa6e0e67a2220f53f1568bf4e16de (patch) | |
| tree | 656ec441212b0ce57b62f5785247595e7127bdb9 /pod/perltodo.pod | |
| parent | 2111d92849f8443baa1adfc372a6bedf4537f3e8 (diff) | |
| download | perl-70e590749aafa6e0e67a2220f53f1568bf4e16de.tar.gz | |
inlining autoloaded constants is TODOne.
p4raw-id: //depot/perl@26471
Diffstat (limited to 'pod/perltodo.pod')
| -rw-r--r-- | pod/perltodo.pod | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/pod/perltodo.pod b/pod/perltodo.pod index 4058be4abf..2ab61f3052 100644 --- a/pod/perltodo.pod +++ b/pod/perltodo.pod @@ -556,16 +556,6 @@ program if you pass the process ID. It would be good to do this with the Perl debugger on a running Perl program, although I'm not sure how it would be done." ssh and screen do this with named pipes in /tmp. Maybe we can too. -=head2 inlining autoloaded constants - -Currently the optimiser can inline constants when expressed as subroutines -with prototype ($) that return a constant. Likewise, many packages wrapping -C libraries export lots of constants as subroutines which are AUTOLOADed on -demand. However, these have no prototypes, so can't be seen as constants by -the optimiser. Some way of cheaply (low syntax, low memory overhead) to the -perl compiler that a name is a constant would be great, so that it knows to -call the AUTOLOAD routine at compile time, and then inline the constant. - =head2 Constant folding The peephole optimiser should trap errors during constant folding, and give |