NAME

Verilog::Netlist::Subclass - Common routines for all classes

SYNOPSIS

  use Verilog::Netlist::Subclass;
  package Verilog::Netlist::Something;
  @ISA = qw(Verilog::Netlist::Subclass);

  ...

  $self->info("We're here\n");
  $self->warn("Things look bad\n");
  $self->error("Things are even worse\n");
  $self->exit_if_error();

DESCRIPTION

The Verilog::Netlist::Subclass is used as a base class for all Verilog::Netlist::* structures. It is mainly used so that $self->warn() and $self->error() will produce consistent results.

MEMBER FUNCTIONS

$self->error (Text...)

Print an error in a standard format.

$self->exit_if_error()

Exits the program if any errors were detected.

$self->filename()

The filename number the entity was created in.

$self->info (Text...)

Print a informational in a standard format.

$self->lineno()

The line number the entity was created on.

$self->unlink_if_error (filename)

Requests the given file be deleted if any errors are detected. Used for temporary files.

$self->userdata (key) =item $self->userdata (key, data)

Sets (with two arguments) or retrieves the specified key from an opaque hash. This may be used to store application data on the specified node.

$self->warn (Text...)

Print a warning in a standard format.

DISTRIBUTION

Verilog-Perl is part of the http://www.veripool.com/ free Verilog EDA software tool suite. The latest version is available from CPAN and from http://www.veripool.com/verilog-perl.html.

Copyright 2000-2007 by Wilson Snyder. This package is free software; you can redistribute it and/or modify it under the terms of either the GNU Lesser General Public License or the Perl Artistic License.

AUTHORS

Wilson Snyder <wsnyder@wsnyder.org>

SEE ALSO

Verilog-Perl, Verilog::Netlist