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Subject cvs commit: modperl-2.0/ModPerl-Registry TODO
Date Mon, 22 Oct 2001 08:33:49 GMT
stas        01/10/22 01:33:48

  Modified:    ModPerl-Registry TODO
  - document the rest of the nice to have things
  Revision  Changes    Path
  1.4       +39 -7     modperl-2.0/ModPerl-Registry/TODO
  Index: TODO
  RCS file: /home/cvs/modperl-2.0/ModPerl-Registry/TODO,v
  retrieving revision 1.3
  retrieving revision 1.4
  diff -u -r1.3 -r1.4
  --- TODO	2001/10/22 05:18:23	1.3
  +++ TODO	2001/10/22 08:33:48	1.4
  @@ -7,8 +7,6 @@
   - consider not to use $$ in debug tracing. Not all platforms give out
     a different pid for different threads.
   ### missing features ###
   - need to port $Apache::__T, to test against when user supplies -T flag.
  @@ -40,20 +38,54 @@
     normally. select() helps, but STDERR should be unbuffered in first
  +- in namespace_from_filename() should test whether a file is a symlink
  +  and if so use readlink() to get the real filename.
   ### optimizations ###
   - $o->[CLASS] of the subclass is known at compile time, so should
     create the subs using $o->[CLASS] on the fly for each subclass
     which wants them
  -### nice to have ###
  +- currently the default is to strip __DATA__|__END__ and everything
  +  after that, which incurs a little overhead because of the s/// on
  +  the contents of the file. This "feature" wasn't in 1.x, so may
  +  consider to make it optional.
  -- in namespace_from_filename() should test whether a file is a symlink
  -  and if so use readlink() to get the real filename.
  -### other things ###
  +### nice to have ###
   - Bjarni R. Einarsson <> has suggested this Registry hack
     Message-ID: <>
  +- the closure issue:
  +  there was a suggestion from raptor to use goto() to leave the code
  +  unwrapped in the sub handler, which will solve the closure problem,
  +  but the problem is that once you leave a subroutine with goto() you
  +  cannot return, because you aren't in the sub anymore.
  +  barrie has suggested a different approach, which requires adding
  +  special tags to the script which help to parse the code, and shuffle
  +  things around without putting subs inside the 'sub handler', but
  +  this requires a lot of code understanding from a user, and if its
  +  gained it's probably easier to fix the script so closure effect
  +  won't happen. However barrie's suggestion can be easily added, by
  +  overriding convert_script_to_compiled_handler().
  +- global variables persistance: could have the cooker option to flush
  +  globals in the autogenerated package at the end of each
  +  request. (not packages use()'d from this package)
  +- could also try to privide an optional workaround for the problem
  +  with libs collisions as explained here:
  +- It's a known kludge with mod_perl scripts coming from mod_cgi which
  +  use -M for file mtime comparisons, but are not aware of the fact
  +  that $^T is not getting reset on each request. So may be the cooker
  +  should have an option to reset $^T on each request.
  +- develop a cooker() that cooks/modifies a registry package based on
  +  PerlSetVar variables. So for example a user can modify a behavior of
  +  an existing package (stat/donotstat...) and giving it a new name at
  +  the same time. Kinda flag-based inheritance.

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