aboutsummaryrefslogtreecommitdiff
path: root/plugins/syntax/n_syntax.ml
diff options
context:
space:
mode:
Diffstat (limited to 'plugins/syntax/n_syntax.ml')
-rw-r--r--plugins/syntax/n_syntax.ml81
1 files changed, 0 insertions, 81 deletions
diff --git a/plugins/syntax/n_syntax.ml b/plugins/syntax/n_syntax.ml
deleted file mode 100644
index 0e202be47f..0000000000
--- a/plugins/syntax/n_syntax.ml
+++ /dev/null
@@ -1,81 +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 Names
-open Bigint
-open Positive_syntax_plugin.Positive_syntax
-
-(* Poor's man DECLARE PLUGIN *)
-let __coq_plugin_name = "n_syntax_plugin"
-let () = Mltop.add_known_module __coq_plugin_name
-
-(**********************************************************************)
-(* Parsing N 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)
-
-(* TODO: temporary hack *)
-let make_kn dir id = Globnames.encode_mind dir id
-
-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 GlobRef.equal 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)