# NAME
Compiler::Lexer - Lexical Analyzer for Perl5
# SYNOPSIS
use Compiler::Lexer;
use Data::Dumper;
my $filename = $ARGV[0];
open my $fh, '<', $filename or die "Cannot open $filename: $!";
my $script = do { local $/; <$fh> };
my $lexer = Compiler::Lexer->new($filename);
my $tokens = $lexer->tokenize($script);
print Dumper $tokens;
my $modules = $lexer->get_used_modules($script);
print Dumper $modules;
# METHODS
- my $lexer = Compiler::Lexer->new($options);
create new instance.
You can create object from $options in hash reference.
__options list__
- filename
- verbose : includes token of Pod, Comment and WhiteSpace
- $lexer->tokenize($script);
get token objects includes parameter of 'name' or 'type' or 'line' and so on.
This method requires perl source code in string.
- $lexer->set\_library\_path(\['path1', 'path2' ...\])
set libraries path for reading recursively. Default paths are @INC.
- $lexer->recursive\_tokenize($script)
get hash reference like { 'module\_nameA' => \[\], 'module\_nameB' => \[\] ... }.
This method requires per source code in string.
- $lexer->get\_used\_modules($script);
get names of used module.
This method requires perl source code in string.
# AUTHOR
Masaaki Goshima (goccy) <goccy(at)cpan.org>
# CONTRIBUTORS
tokuhirom: Tokuhiro Matsuno
# LICENSE AND COPYRIGHT
Copyright (c) 2013, Masaaki Goshima (goccy). All rights reserved.
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
