1 files changed, 69 insertions, 0 deletions
diff --git a/pretyping/program.ml b/pretyping/program.ml
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+++ b/pretyping/program.ml
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+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015     *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+
+open Pp
+open Errors
+open Util
+open Names
+open Term
+
+let make_dir l = DirPath.make (List.rev_map Id.of_string l)
+
+let find_reference locstr dir s =
+  let sp = Libnames.make_path (make_dir dir) (Id.of_string s) in
+  try Nametab.global_of_path sp
+  with Not_found ->
+    anomaly ~label:locstr (Pp.str "cannot find" ++ spc () ++ Libnames.pr_path sp)
+
+let coq_reference locstr dir s = find_reference locstr ("Coq"::dir) s
+let coq_constant locstr dir s = Universes.constr_of_global (coq_reference locstr dir s)
+
+let init_constant dir s () = coq_constant "Program" dir s
+let init_reference dir s () = coq_reference "Program" dir s
+
+let papp evdref r args = 
+  let gr = delayed_force r in
+    mkApp (Evarutil.e_new_global evdref gr, args)
+
+let sig_typ = init_reference ["Init"; "Specif"] "sig"
+let sig_intro = init_reference ["Init"; "Specif"] "exist"
+let sig_proj1 = init_reference ["Init"; "Specif"] "proj1_sig"
+
+let sigT_typ = init_reference ["Init"; "Specif"] "sigT"
+let sigT_intro = init_reference ["Init"; "Specif"] "existT"
+let sigT_proj1 = init_reference ["Init"; "Specif"] "projT1"
+let sigT_proj2 = init_reference ["Init"; "Specif"] "projT2"
+
+let prod_typ = init_reference ["Init"; "Datatypes"] "prod"
+let prod_intro = init_reference ["Init"; "Datatypes"] "pair"
+let prod_proj1 = init_reference ["Init"; "Datatypes"] "fst"
+let prod_proj2 = init_reference ["Init"; "Datatypes"] "snd"
+
+let coq_eq_ind = init_reference ["Init"; "Logic"] "eq"
+let coq_eq_refl = init_reference ["Init"; "Logic"] "eq_refl"
+let coq_eq_refl_ref = init_reference ["Init"; "Logic"] "eq_refl"
+let coq_eq_rect = init_reference ["Init"; "Logic"] "eq_rect"
+
+let coq_JMeq_ind = init_reference ["Logic";"JMeq"] "JMeq"
+let coq_JMeq_refl = init_reference ["Logic";"JMeq"] "JMeq_refl"
+
+let coq_not = init_constant ["Init";"Logic"] "not"
+let coq_and = init_constant ["Init";"Logic"] "and"
+
+let mk_coq_not x = mkApp (delayed_force coq_not, [| x |])
+
+let unsafe_fold_right f = function
+    hd :: tl -> List.fold_right f tl hd
+  | [] -> invalid_arg "unsafe_fold_right"
+
+let mk_coq_and l =
+  let and_typ = delayed_force coq_and in
+    unsafe_fold_right
+      (fun c conj ->
+	 mkApp (and_typ, [| c ; conj |]))
+      l