1AtteanX::API::Lexer(3)User Contributed Perl DocumentationAtteanX::API::Lexer(3)
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6 AtteanX::API::Lexer - Role defining common functionality for lexers.
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9 This document describes AtteanX::API::Lexer version 0.030
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12 The AtteanX::API::Lexer role provides a common interface and
13 implementation for lexer implementations, allowing line-based buffer
14 filling, and consuming of characters, constant strings, and fixed-
15 length buffers.
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18 "file"
19 "linebuffer"
20 "line"
21 "column"
22 "buffer"
23 "start_column"
24 "start_line"
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27 "fill_buffer"
28 Fills the buffer with a new line from the underlying filehandle.
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30 "check_for_bom"
31 Remove a BOM character if one appears at the start of the buffer.
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33 "get_char_safe( $char )"
34 Consume the single character $char from the buffer. Throw an error
35 if $char is not at the start of the buffer.
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37 "get_char( $char )"
38 Consume and return a single character from the buffer.
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40 "peek_char( $char )"
41 Return a single character from the start of the buffer.
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43 "read_word( $word )"
44 Consume the string $word from the start of the buffer. Throw an
45 error if $word is not at the start of the buffer.
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47 "read_length( $length )"
48 Consume and return $length characters from the start of the
49 buffer.
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52 Please report any bugs or feature requests to through the GitHub web
53 interface at <https://github.com/kasei/attean/issues>.
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57 Gregory Todd Williams "<gwilliams@cpan.org>"
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60 Copyright (c) 2014--2020 Gregory Todd Williams. This program is free
61 software; you can redistribute it and/or modify it under the same terms
62 as Perl itself.
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66perl v5.34.0 2022-01-20 AtteanX::API::Lexer(3)