BEGIN These compile phase keywords are documented in BEGIN, UNITCHECK, CHECK, INIT and END in perlmod.

NAME SYNOPSIS DESCRIPTION DIAGNOSTICS HISTORY CAVEATS SEE ALSO NAME base - Establish an ISA relationship with base classes at compile time SYNOPSIS package Baz; use base qw(Foo Bar); DESCRIPTION Unless you are using the fields pragma, consider this module discouraged in favor of the lighter-weight parent . Allows you to both load one or more modules, while setting up inheritance from those modules at the same time. Roughly similar in effect to package Baz; BEGIN { require Foo; requir

NAME SYNOPSIS DESCRIPTION OPTIONS BUGS AUTHOR NAME B::Xref - Generates cross reference reports for Perl programs SYNOPSIS perl -MO=Xref[,OPTIONS] foo.pl DESCRIPTION The B::Xref module is used to generate a cross reference listing of all definitions and uses of variables, subroutines and formats in a Perl program. It is implemented as a backend for the Perl compiler. The report generated is in the following format: File filename1 Subroutine subname1 Package package1 object1 li

NAME SYNOPSIS DESCRIPTION AUTHOR NAME B::Terse - Walk Perl syntax tree, printing terse info about ops SYNOPSIS perl -MO=Terse[,OPTIONS] foo.pl DESCRIPTION This module prints the contents of the parse tree, but without as much information as B::Debug. For comparison, print "Hello, world." produced 96 lines of output from B::Debug, but only 6 from B::Terse. This module is useful for people who are writing their own back end, or who are learning about the Perl internals. It's not useful to the

NAME SYNOPSIS DESCRIPTION EXAMPLESOPTIONS SEE ALSO TODO AUTHOR NAME B::Showlex - Show lexical variables used in functions or files SYNOPSIS perl -MO=Showlex[,-OPTIONS][,SUBROUTINE] foo.pl DESCRIPTION When a comma-separated list of subroutine names is given as options, Showlex prints the lexical variables used in those subroutines. Otherwise, it prints the file-scope lexicals in the file. EXAMPLES Traditional form: $ perl -MO=Showlex -e 'my ($i,$j,$k)=(1,"foo")' Pad of lexical names for comp

NAME SYNOPSIS DESCRIPTION OPTIONS USING B::Deparse AS A MODULESynopsis Description new ambient_pragmas coderef2text BUGS AUTHOR NAME B::Deparse - Perl compiler backend to produce perl code SYNOPSIS perl -MO=Deparse[,-d][,-fFILE][,-p][,-q][,-l] [,-sLETTERS][,-xLEVEL] prog.pl DESCRIPTION B::Deparse is a backend module for the Perl compiler that generates perl source code, based on the internal compiled structure that perl itself creates after parsing a program. The output of B::Deparse won't

NAME SYNOPSIS DESCRIPTION OPTIONS AUTHOR LICENSE NAME B::Debug - Walk Perl syntax tree, printing debug info about ops SYNOPSIS perl -MO=Debug foo.pl perl -MO=Debug,-exec foo.pl DESCRIPTION See ext/B/README and the newer B::Concise, B::Terse. OPTIONS With option -exec, walks tree in execute order, otherwise in basic order. AUTHOR Malcolm Beattie, mbeattie@sable.ox.ac.uk Reini Urban rurban@cpan.org LICENSE Copyright (c) 1996, 1997 Malcolm Beattie Copyright (c) 2008, 2010, 2013, 2014 Reini Urb

NAME SYNOPSIS DESCRIPTION EXAMPLE OPTIONSOptions for Opcode Ordering Options for Line-Style Options for tree-specific formatting Options controlling sequence numbering Other options Option Stickiness ABBREVIATIONSOP class abbreviations OP flags abbreviations FORMATTING SPECIFICATIONSSpecial Patterns # Variables One-Liner Command tips Using B::Concise outside of the O frameworkExample: Altering Concise Renderings set_style() set_style_standard($name) add_style () add_callback () Running B

NAME SYNOPSIS DESCRIPTION OVERVIEW Utility FunctionsFunctions Returning B::SV, B::AV, B::HV, and B::CV objects Functions for Examining the Symbol Table Functions Returning B::OP objects or for walking op trees Miscellaneous Utility Functions Exported utility variables OVERVIEW OF CLASSESSV-RELATED CLASSES B::SV Methods B::IV Methods B::NV Methods B::RV Methods B::PV Methods B::PVMG Methods B::MAGIC Methods B::PVLV Methods B::BM Methods B::REGEXP Methods B::GV Methods B::IO Methods B::AV Meth

NAME SYNOPSIS DESCRIPTION WARNING AUTHOR SEE ALSO NAME autouse - postpone load of modules until a function is used SYNOPSIS use autouse 'Carp' => qw(carp croak); carp "this carp was predeclared and autoused "; DESCRIPTION If the module Module is already loaded, then the declaration use autouse 'Module' => qw(func1 func2($;$)); is equivalent to use Module qw(func1 func2); if Module defines func2() with prototype ($;$), and func1() has no prototypes. (At least if Module uses Exporter '