Camlp4 is a software system for writing extensible parsers for programming languages. it provides a set of ocaml libraries that are used to define grammars as well as loadable syntax extensions of such grammars. camlp4 stands for caml preprocessor and pretty-printer and one of its most important applications is the definition of domain-specific extensions of the syntax of ocaml.

this package contains camlp4 libraries.