Module JsooTopPpx

module JsooTopPpx: sig .. end
One can add a ppx rewriter to a toplevel by registering it
 Ast_mapper.register "js_of_ocaml" Ppx_js.js_mapper 



Helpers to embed PPX into the toplevel.
val preprocess_structure : Parsetree.structure -> Parsetree.structure
val preprocess_signature : Parsetree.signature -> Parsetree.signature
val preprocess_phrase : Parsetree.toplevel_phrase -> Parsetree.toplevel_phrase