From 9ebf44d84754adc5b64fcf612c6816c02c80462d Mon Sep 17 00:00:00 2001
From: Benjamin Barenblat <bbaren@debian.org>
Date: Sat, 2 Feb 2019 19:29:23 -0500
Subject: Imported Upstream version 8.9.0

---
 plugins/syntax/z_syntax.ml | 202 ---------------------------------------------
 1 file changed, 202 deletions(-)
 delete mode 100644 plugins/syntax/z_syntax.ml

(limited to 'plugins/syntax/z_syntax.ml')

diff --git a/plugins/syntax/z_syntax.ml b/plugins/syntax/z_syntax.ml
deleted file mode 100644
index d5300e47..00000000
--- a/plugins/syntax/z_syntax.ml
+++ /dev/null
@@ -1,202 +0,0 @@
-(************************************************************************)
-(*         *   The Coq Proof Assistant / The Coq Development Team       *)
-(*  v      *   INRIA, CNRS and contributors - Copyright 1999-2018       *)
-(* <O___,, *       (see CREDITS file for the list of authors)           *)
-(*   \VV/  **************************************************************)
-(*    //   *    This file is distributed under the terms of the         *)
-(*         *     GNU Lesser General Public License Version 2.1          *)
-(*         *     (see LICENSE file for the text of the license)         *)
-(************************************************************************)
-
-open Pp
-open CErrors
-open Util
-open Names
-open Bigint
-
-(* Poor's man DECLARE PLUGIN *)
-let __coq_plugin_name = "z_syntax_plugin"
-let () = Mltop.add_known_module __coq_plugin_name
-
-exception Non_closed_number
-
-(**********************************************************************)
-(* Parsing positive via scopes                                        *)
-(**********************************************************************)
-
-open Globnames
-open Glob_term
-
-let binnums = ["Coq";"Numbers";"BinNums"]
-
-let make_dir l = DirPath.make (List.rev_map Id.of_string l)
-let make_path dir id = Libnames.make_path (make_dir dir) (Id.of_string id)
-
-let positive_path = make_path binnums "positive"
-
-(* TODO: temporary hack *)
-let make_kn dir id = Globnames.encode_mind dir id
-
-let positive_kn = make_kn (make_dir binnums) (Id.of_string "positive")
-let glob_positive = IndRef (positive_kn,0)
-let path_of_xI = ((positive_kn,0),1)
-let path_of_xO = ((positive_kn,0),2)
-let path_of_xH = ((positive_kn,0),3)
-let glob_xI = ConstructRef path_of_xI
-let glob_xO = ConstructRef path_of_xO
-let glob_xH = ConstructRef path_of_xH
-
-let pos_of_bignat ?loc x = 
-  let ref_xI = DAst.make ?loc @@ GRef (glob_xI, None) in
-  let ref_xH = DAst.make ?loc @@ GRef (glob_xH, None) in
-  let ref_xO = DAst.make ?loc @@ GRef (glob_xO, None) in
-  let rec pos_of x =
-    match div2_with_rest x with
-      | (q,false) -> DAst.make ?loc @@ GApp (ref_xO,[pos_of q])
-      | (q,true) when not (Bigint.equal q zero) -> DAst.make ?loc @@ GApp (ref_xI,[pos_of q])
-      | (q,true) -> ref_xH
-  in
-  pos_of x
-
-let error_non_positive ?loc =
-  user_err ?loc ~hdr:"interp_positive"
-   (str "Only strictly positive numbers in type \"positive\".")
-
-let interp_positive ?loc n =
-  if is_strictly_pos n then pos_of_bignat ?loc n
-  else error_non_positive ?loc
-
-(**********************************************************************)
-(* Printing positive via scopes                                       *)
-(**********************************************************************)
-
-let is_gr c gr = match DAst.get c with
-| GRef (r, _) -> Globnames.eq_gr r gr
-| _ -> false
-
-let rec bignat_of_pos x = DAst.with_val (function
-  | GApp (r ,[a]) when is_gr r glob_xO -> mult_2(bignat_of_pos a)
-  | GApp (r ,[a]) when is_gr r glob_xI -> add_1(mult_2(bignat_of_pos a))
-  | GRef (a, _)                when Globnames.eq_gr a glob_xH -> Bigint.one
-  | _ -> raise Non_closed_number
-  ) x
-
-let uninterp_positive (AnyGlobConstr p) =
-  try
-    Some (bignat_of_pos p)
-  with Non_closed_number ->
-    None
-
-(************************************************************************)
-(* Declaring interpreters and uninterpreters for positive *)
-(************************************************************************)
-
-let _ = Notation.declare_numeral_interpreter "positive_scope"
-  (positive_path,binnums)
-  interp_positive
-  ([DAst.make @@ GRef (glob_xI, None);
-    DAst.make @@ GRef (glob_xO, None);
-    DAst.make @@ GRef (glob_xH, None)],
-   uninterp_positive,
-   true)
-
-(**********************************************************************)
-(* Parsing N via scopes                                               *)
-(**********************************************************************)
-
-let n_kn = make_kn (make_dir binnums) (Id.of_string "N")
-let glob_n = IndRef (n_kn,0)
-let path_of_N0 = ((n_kn,0),1)
-let path_of_Npos = ((n_kn,0),2)
-let glob_N0 = ConstructRef path_of_N0
-let glob_Npos = ConstructRef path_of_Npos
-
-let n_path = make_path binnums "N"
-
-let n_of_binnat ?loc pos_or_neg n = DAst.make ?loc @@
-  if not (Bigint.equal n zero) then
-    GApp(DAst.make @@ GRef (glob_Npos,None), [pos_of_bignat ?loc n])
-  else
-    GRef(glob_N0, None)
-
-let error_negative ?loc =
-  user_err ?loc ~hdr:"interp_N" (str "No negative numbers in type \"N\".")
-
-let n_of_int ?loc n =
-  if is_pos_or_zero n then n_of_binnat ?loc true n
-  else error_negative ?loc
-
-(**********************************************************************)
-(* Printing N via scopes                                              *)
-(**********************************************************************)
-
-let bignat_of_n n = DAst.with_val (function
-  | GApp (r, [a]) when is_gr r glob_Npos -> bignat_of_pos a
-  | GRef (a,_) when Globnames.eq_gr a glob_N0 -> Bigint.zero
-  | _ -> raise Non_closed_number
-  ) n
-
-let uninterp_n (AnyGlobConstr p) =
-  try Some (bignat_of_n p)
-  with Non_closed_number -> None
-
-(************************************************************************)
-(* Declaring interpreters and uninterpreters for N *)
-
-let _ = Notation.declare_numeral_interpreter "N_scope"
-  (n_path,binnums)
-  n_of_int
-  ([DAst.make @@ GRef (glob_N0, None);
-    DAst.make @@ GRef (glob_Npos, None)],
-  uninterp_n,
-  true)
-
-(**********************************************************************)
-(* Parsing Z via scopes                                               *)
-(**********************************************************************)
-
-let z_path = make_path binnums "Z"
-let z_kn = make_kn (make_dir binnums) (Id.of_string "Z")
-let glob_z = IndRef (z_kn,0)
-let path_of_ZERO = ((z_kn,0),1)
-let path_of_POS = ((z_kn,0),2)
-let path_of_NEG = ((z_kn,0),3)
-let glob_ZERO = ConstructRef path_of_ZERO
-let glob_POS = ConstructRef path_of_POS
-let glob_NEG = ConstructRef path_of_NEG
-
-let z_of_int ?loc n =
-  if not (Bigint.equal n zero) then
-    let sgn, n =
-      if is_pos_or_zero n then glob_POS, n else glob_NEG, Bigint.neg n in
-    DAst.make ?loc @@ GApp(DAst.make ?loc @@ GRef(sgn,None), [pos_of_bignat ?loc n])
-  else
-    DAst.make ?loc @@ GRef(glob_ZERO, None)
-
-(**********************************************************************)
-(* Printing Z via scopes                                              *)
-(**********************************************************************)
-
-let bigint_of_z z = DAst.with_val (function
-  | GApp (r, [a]) when is_gr r glob_POS -> bignat_of_pos a
-  | GApp (r, [a]) when is_gr r glob_NEG -> Bigint.neg (bignat_of_pos a)
-  | GRef (a, _) when Globnames.eq_gr a glob_ZERO -> Bigint.zero
-  | _ -> raise Non_closed_number
-  ) z
-
-let uninterp_z (AnyGlobConstr p) =
-  try
-    Some (bigint_of_z p)
-  with Non_closed_number -> None
-
-(************************************************************************)
-(* Declaring interpreters and uninterpreters for Z *)
-
-let _ = Notation.declare_numeral_interpreter "Z_scope"
-  (z_path,binnums)
-  z_of_int
-  ([DAst.make @@ GRef (glob_ZERO, None);
-    DAst.make @@ GRef (glob_POS, None);
-    DAst.make @@ GRef (glob_NEG, None)],
-  uninterp_z,
-  true)
-- 
cgit v1.2.3