src/Pure/ML-Systems/use_context.ML

split 'primrec_new' and 'primcorec' code (to ease bootstrapping, e.g. dependency on datatype 'String' in 'primcorec')

(*  Title:      Pure/ML-Systems/use_context.ML
    Author:     Makarius

Common context for "use" operations (compiler invocation).
*)

type use_context =
 {tune_source: string -> string,
  name_space: ML_Name_Space.T,
  str_of_pos: int -> string -> string,
  print: string -> unit,
  error: string -> unit};