B::Bytecode - phpMan

B::Bytecode(3pm)       Perl Programmers Reference Guide       B::Bytecode(3pm)



NAME
       B::Bytecode - Perl compiler's bytecode backend

SYNOPSIS
       perl -MO=Bytecode[,-H][,-oscript.plc] script.pl

DESCRIPTION
       Compiles a Perl script into a bytecode format that could be loaded later by the
       ByteLoader module and executed as a regular Perl script.

EXAMPLE
           $ perl -MO=Bytecode,-H,-ohi -e 'print "hi!\n"'
           $ perl hi
           hi!

OPTIONS
       -b  Save all the BEGIN blocks. Normally only BEGIN blocks that "require" other
           files (ex. "use Foo;") are saved.

       -H  prepend a "use ByteLoader VERSION;" line to the produced bytecode.

       -k  keep the syntax tree - it is stripped by default.

       -ooutfile
           put the bytecode in <outfile> instead of dumping it to STDOUT.

       -s  scan the script for "# line .." directives and for <goto LABEL> expressions.
           When gotos are found keep the syntax tree.

KNOWN BUGS
       ?   "BEGIN { goto A: while 1; A: }" won't even compile.

       ?   "?...?" and "reset" do not work as expected.

       ?   variables in "(?{ ... })" constructs are not properly scoped.

       ?   scripts that use source filters will fail miserably.

NOTICE
       There are also undocumented bugs and options.

       THIS CODE IS HIGHLY EXPERIMENTAL. USE AT YOUR OWN RISK.

AUTHORS
       Originally written by Malcolm Beattie <mbeattie AT sable.uk> and modified by
       Benjamin Stuhl <sho_pi AT hotmail.com>.

       Rewritten by Enache Adrian <enache AT rdslink.ro>, 2003 a.d.



perl v5.8.8                       2001-09-21                  B::Bytecode(3pm)

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