+
+let string_of_transparent = function
+ | true -> "="
+ | false -> "~"
+
+let pp_list pp opend sep closed frm l =
+ let rec aux frm = function
+ | [] -> ()
+ | [hd] -> pp frm hd
+ | hd :: tl -> F.fprintf frm "%a%s%a" pp hd sep aux tl
+ in
+ if l = [] then () else F.fprintf frm "%s%a%s" opend aux l closed
+
+let rec pp_args frm args = pp_list pp_term "(" "," ")" frm args
+
+and pp_term frm = function
+ | M.Sort s ->
+ F.fprintf frm "@[*%s@]" (string_of_sort s)
+ | M.LRef i ->
+ F.fprintf frm "@[#%u@]" i
+ | M.GRef (l, qid, ts) ->
+ F.fprintf frm "@[%u@@$%s%a@]" l (string_of_qid qid) pp_args ts
+ | M.Appl (v, t) ->
+ F.fprintf frm "@[(%a).%a@]" pp_term v pp_term t
+ | M.Abst (id, w, t) ->
+ F.fprintf frm "@[[%s:%a].%a@]" id pp_term w pp_term t
+
+let pp_par frm (qid, w) =
+ F.fprintf frm "%s:%a" (string_of_qid qid) pp_term w
+
+let pp_pars = pp_list pp_par "[" "," "]"
+
+let pp_body frm = function
+ | None -> ()
+ | Some (trans, t) ->
+ F.fprintf frm "%s%a" (string_of_transparent trans) pp_term t
+
+let pp_item frm (l, pars, qid, u, body) =
+ F.fprintf frm "@[%u@@%s%a%a:%a@]@\n%!"
+ l (string_of_qid qid) pp_pars pars pp_body body pp_term u
+
+let pp_environment f frm genv =
+ List.iter (pp_item frm) genv; f ()