Theory ML_Bootstrap

(*  Title:      Pure/ML_Bootstrap.thy
    Author:     Makarius

ML bootstrap environment -- with access to low-level structures!
*)

theory ML_Bootstrap
imports Pure
begin

ML ‹
  #allStruct ML_Name_Space.global () |> List.app (fn (name, _) =>
    if member (op =) ML_Name_Space.hidden_structures name then
      ML (Input.string ("structure " ^ name ^ " = " ^ name))
    else ());
  structure Output_Primitives = Output_Primitives_Virtual;
  structure Thread_Data = Thread_Data_Virtual;
  structure PolyML = PolyML;
  fun ML_system_pp (_: FixedInt.int -> 'a -> 'b -> PolyML.pretty) = ();

  Proofterm.proofs := 0;

  Context.setmp_generic_context NONE
    ML ‹
      List.app ML_Name_Space.forget_structure ML_Name_Space.hidden_structures;
      structure PolyML =
      struct
        val pointerEq = pointer_eq;
        structure IntInf = PolyML.IntInf;
        datatype context = datatype PolyML.context;
        datatype pretty = datatype PolyML.pretty;
      end;
    ›
›

setup ‹Context.theory_map ML_Env.bootstrap_name_space›

declare [[ML_read_global = false]]

end