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perlman:lib:Oby root (Scribe)
|on Dec 23, 1999 at 00:49 UTC||Need Help??|
See the current Perl documentation for lib:O.
Here is our local, out-dated (pre-5.6) version:
O - Generic interface to Perl Compiler backends
perl -MO=Backend[,OPTIONS] foo.pl
This is the module that is used as a frontend to the Perl Compiler.
Most compiler backends use the following conventions:
OPTIONS consists of a comma-separated list of words
(no white-space). The
This section is only necessary for those who want to write a compiler backend module that can be used via this module.
The command-line mentioned in the SYNOPSIS section corresponds to the Perl code
use O ("Backend", OPTIONS);
The import function which that calls loads in the appropriate
In summary, a compiler backend module should be called ``B::Foo'' for some
foo and live in the appropriate directory for that name. It should define a
perl -MO=Foo,OPTIONS foo.pl
that function is called and is passed those
OPTIONS (split on commas). It should return a sub ref
to the main compilation function. After the user's program is loaded and
parsed, that returned sub ref is invoked which can then go ahead and do the
compilation, usually by making use of the