Flex/Bison-like functionality within PHP

Question

I\'m looking for a way to get Flex/Bison (or Lex/Yacc, et. al.) support in PHP. Specifically, I\'m implementing a boolean query parser in a web UI and would rather keep all ope

Answer 1

The PEAR library has the classes LexerGenerator and ParserGenerator. The LexerGenerator syntax is compatible with re2c, ParserGenerator syntax is compatible with the Lemon Parser generator.