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package Keyword::API; |
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BEGIN { |
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$Keyword::API::VERSION = '0.0004'; |
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} |
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use 5.012; |
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use strict; |
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use warnings; |
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use Exporter 'import'; |
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require XSLoader; |
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our @EXPORT = qw/ |
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install_keyword |
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uninstall_keyword |
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lex_read_space |
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lex_read |
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lex_read_to_ws |
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lex_stuff |
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lex_unstuff |
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lex_unstuff_to |
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lex_unstuff_to_ws |
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/; |
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XSLoader::load('Keyword::API', $Keyword::API::VERSION); |
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1; |
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=pod |
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=head1 NAME |
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Keyword::API |
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=head1 VERSION |
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version 0.0004 |
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=head1 SYNOPSIS |
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use Keyword::API; |
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sub import { |
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my ($class, %params) = @_; |
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my $name = %params && $params{-as} ? $params{-as} : "method"; |
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install_keyword(__PACKAGE__, $name); |
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} |
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sub unimport { uninstall_keyword() } |
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sub parser { |
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lex_read_space(0); |
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my $sub_name = lex_unstuff_to_ws(); |
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my $sig = lex_unstuff_to('{'); |
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my ($roll) = $sig =~ /\((.+)\)\s*{/; |
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lex_stuff("sub $sub_name {my (\$self, $roll) = \@_;"); |
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}; |
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=head1 DESCRIPTION |
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This module provides a pure perl interface for the keywords API added to the perl core in 5.12. |
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=head1 NAME |
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Keyword::API - Perl interface to the keyword API |
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=head1 EXPERIMENTAL |
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This module is likely to change in the near future. Patches and feedback most welcome. |
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=head2 EXPORT |
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install_keyword |
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uninstall_keyword |
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lex_read_space |
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lex_read |
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lex_read_to_ws |
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lex_stuff |
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lex_unstuff |
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lex_unstuff_to |
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lex_unstuff_to_ws |
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=head1 FUNCTIONS |
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=head2 install_keyword |
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pass your package name and provide the name of your keyword e.g 'method' |
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=head2 uninstall_keyword |
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remove the keyword hook, no arguments required. |
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=head2 lex_read_space |
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lex_read_space(0); |
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reads white space and comments in the text currently being lexed. |
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=head2 lex_read |
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my $str = lex_read($n); |
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Consumes $n bytes of text from the lexer buffer. |
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=head2 lex_read_to_ws |
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my $toke = lex_read_token(); |
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Consumes any text in the lexer until white space is reached. |
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=head2 lex_stuff |
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lex_stuff("sub foo { ..."); |
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Injects a string into the lexer buffer. |
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=head2 lex_unstuff |
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my $discarded_text = lex_unstuff($n); |
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Discard $n bytes from the lexers buffer |
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=head2 lex_unstuff_to |
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my $discarded_text = lex_unstuff_to("{"); |
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Discard everything in the buffer until the character is met. |
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=head2 lex_unstuff_to_ws |
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my $discarded_text = lext_unstuff_token(); |
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Discard everything in the buffer until white space is met |
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=head1 SEE ALSO |
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L Devel::Declare Filter::Simple Syntax::Feature::Method |
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=head1 AUTHOR |
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Robin Edwards |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2011 by Robin Edwards. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |
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__END__ |