Proposal for "PHP_LexerGenerator"
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PHP_LexerGenerator generates a PHP 5-based token scanner (lexer). The generated scanner is very efficient, as much as 2.5 times more efficient than other PHP scanner generators like csLex. The file format is similar to re2c, which generates scanners in C. Learning to use this powerful lexer generator is easy, and the lexers work very well in conjunction with a parser to parse complex grammars. This package needs to have error-checking of regular expressions prior to using them, and this will be added prior to release. In addition, there are no regression tests, which will need fixing prior to a stable release. Otherwise, it is ready for usage in the most complicated of lexers, as evidenced by a PGN file format lexer included as an example. |
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