BNFC
A compiler front-end generator
The BNF Converter is a compiler construction tool generating a compiler front-end from a Labelled BNF grammar. It was originally written to generate Haskell, but starting from Version 2.0, it can also be used for generating Java, C++, and C. Given a Labelled BNF grammar the tool produces: an abstract syntax as a Haskell/C++/C module or Java directory, a case skeleton for the abstract syntax in the same language, an Alex, JLex, or Flex lexer generator file, a Happy, CUP, or Bison parser generator file, a pretty-printer as a Haskell/Java/C++/C module, a Latex file containing a readable specification of the language.
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