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| author | Paul Johnson <paul@pjcj.net> | 2001-07-10 23:53:28 +0200 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2001-07-11 00:30:56 +0000 |
| commit | 1ba7f8516c9ddf9fe5f546213fbde0eab8b73e41 (patch) | |
| tree | 137e16f2a2f201ade95f9b0e8180a5c45af3c9ee /pod/perlguts.pod | |
| parent | a52fe01cbb9500344d9d57ae4b6c54d10afdf370 (diff) | |
| download | perl-1ba7f8516c9ddf9fe5f546213fbde0eab8b73e41.tar.gz | |
[DOC PATCH] Pluggable runops
Message-ID: <20010710215328.B26577@pjcj.net>
p4raw-id: //depot/perl@11268
Diffstat (limited to 'pod/perlguts.pod')
| -rw-r--r-- | pod/perlguts.pod | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/pod/perlguts.pod b/pod/perlguts.pod index e4d4a14372..323d456935 100644 --- a/pod/perlguts.pod +++ b/pod/perlguts.pod @@ -1667,6 +1667,23 @@ additional complications for conditionals). These optimizations are done in the subroutine peep(). Optimizations performed at this stage are subject to the same restrictions as in the pass 2. +=head2 Pluggable runops + +The compile tree is executed in a runops function. There are two runops +functions in F<run.c>. C<Perl_runops_debug> is used with DEBUGGING and +C<Perl_runops_standard> is used otherwise. For fine control over the +execution of the compile tree it is possible to provide your own runops +function. + +It's probably best to copy one of the existing runops functions and +change it to suit your needs. Then, in the BOOT section of your XS +file, add the line: + + PL_runops = my_runops; + +This function should be as efficient as possible to keep your programs +running as fast as possible. + =head1 Examining internal data structures with the C<dump> functions To aid debugging, the source file F<dump.c> contains a number of |