Hi Christoph,

what is the state-of-the-art way to generate (programmatically) and
> pretty-print a valid OCaml AST? Should I use camlp4 or is there a
> standalone-library?
>

Camlp4 is being deprecated and will be distributed as a separate
package starting with OCaml 4.02. You should now use the compiler
libraries which export the same AST used by the compiler [1] as well
as pretty-printers [2]. These are available through the findlib package
compiler-libs.common. To help produce the AST you can use ppx_tools [3].

 [1] https://github.com/ocaml/ocaml/blob/trunk/parsing/parsetree.mli
 [2] https://github.com/ocaml/ocaml/blob/trunk/parsing/pprintast.mli
 [3] https://github.com/alainfrisch/ppx_tools

-- 
Jeremie