1PPI::Token::Comment(3)User Contributed Perl DocumentationPPI::Token::Comment(3)
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6 PPI::Token::Comment - A comment in Perl source code
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9 PPI::Token::Comment
10 isa PPI::Token
11 isa PPI::Element
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14 # This is a PPI::Token::Comment
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16 print "Hello World!"; # So it this
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18 $string =~ s/ foo # This, unfortunately, is not :(
19 bar
20 /w;
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23 In PPI, comments are represented by "PPI::Token::Comment" objects.
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25 These come in two flavours, line comment and inline comments.
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27 A "line comment" is a comment that stands on its own line. These
28 comments hold their own newline and whitespace (both leading and
29 trailing) as part of the one "PPI::Token::Comment" object.
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31 An inline comment is a comment that appears after some code, and
32 continues to the end of the line. This does not include whitespace, and
33 the terminating newlines is considered a separate
34 PPI::Token::Whitespace token.
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36 This is largely a convenience, simplifying a lot of normal code
37 relating to the common things people do with comments.
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39 Most commonly, it means when you "prune" or "delete" a comment, a line
40 comment disappears taking the entire line with it, and an inline
41 comment is removed from the inside of the line, allowing the newline to
42 drop back onto the end of the code, as you would expect.
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44 It also means you can move comments around in blocks much more easily.
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46 For now, this is a suitably handy way to do things. However, I do
47 reserve the right to change my mind on this one if it gets dangerously
48 anachronistic somewhere down the line.
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51 Only very limited methods are available, beyond those provided by our
52 parent PPI::Token and PPI::Element classes.
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54 line
55 The "line" accessor returns true if the "PPI::Token::Comment" is a line
56 comment, or false if it is an inline comment.
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59 See the support section in the main module.
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62 Adam Kennedy <adamk@cpan.org>
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65 Copyright 2001 - 2011 Adam Kennedy.
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67 This program is free software; you can redistribute it and/or modify it
68 under the same terms as Perl itself.
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70 The full text of the license can be found in the LICENSE file included
71 with this module.
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75perl v5.16.3 2011-02-26 PPI::Token::Comment(3)