PPI::Token::Number - Token class for a number
$n = 1234; # decimal integer
$n = 0b1110011; # binary integer
$n = 01234; # octal integer
$n = 0x1234; # hexadecimal integer
$n = 12.34e-56; # exponential notation ( currently not working )
The PPI::Token::Number class is used for tokens that represent numbers, in the various types that Perl supports.
The base method is provided by all of the ::Number subclasses. This is 10 for decimal, 16 for hexadecimal, 2 for binary, etc.
Return the numeric value of this token.
Compared to Perl, the number tokenizer is too liberal about allowing underscores anywhere. For example, the following is a syntax error in Perl, but is allowed in PPI:
- Treat v-strings as binary strings or barewords, not as "base-256" numbers
- Break out decimal integers into their own subclass?
- Implement literal()
See the support section in the main module.
Adam Kennedy <email@example.com>
Copyright 2001 - 2011 Adam Kennedy.
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
The full text of the license can be found in the LICENSE file included with this module.
To install PPI, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell
For more information on module installation, please visit the detailed CPAN module installation guide.