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+(************************************************************************)
+(* v * The Coq Proof Assistant / The Coq Development Team *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(* \VV/ **************************************************************)
+(* // * This file is distributed under the terms of the *)
+(* * GNU Lesser General Public License Version 2.1 *)
+(************************************************************************)
+
+(*i $Id: g_primnew.ml4,v 1.4.2.2 2004/07/16 19:30:39 herbelin Exp $ i*)
+
+open Coqast
+open Pcoq
+open Names
+open Libnames
+open Topconstr
+
+let _ =
+ if not !Options.v7 then
+ Pcoq.reset_all_grammars()
+let _ =
+ if not !Options.v7 then
+ let f = Gram.Unsafe.clear_entry in
+ f Prim.bigint;
+ f Prim.qualid;
+ f Prim.ast;
+ f Prim.reference
+
+let prim_kw = ["{"; "}"; "["; "]"; "("; ")"; "<>"; "<<"; ">>"; "'"]
+let _ =
+ if not !Options.v7 then
+ List.iter (fun s -> Lexer.add_token("",s)) prim_kw
+
+open Prim
+
+open Nametab
+let local_id_of_string = id_of_string
+let local_make_dirpath = make_dirpath
+let local_make_qualid l id' = make_qualid (local_make_dirpath l) id'
+let local_make_short_qualid id = make_short_qualid id
+let local_make_posint = int_of_string
+let local_make_negint n = - int_of_string n
+let local_make_path l a = encode_kn (local_make_dirpath l) a
+let local_make_binding loc a b =
+ match a with
+ | Nvar (_,id) -> Slam(loc,Some id,b)
+ | Nmeta (_,s) -> Smetalam(loc,s,b)
+ | _ -> failwith "Slam expects a var or a metavar"
+let local_append l id = l@[id]
+
+if not !Options.v7 then
+GEXTEND Gram
+ GLOBAL: bigint qualid reference ne_string;
+ field:
+ [ [ s = FIELD -> local_id_of_string s ] ]
+ ;
+ fields:
+ [ [ id = field; (l,id') = fields -> (local_append l id,id')
+ | id = field -> ([],id)
+ ] ]
+ ;
+ basequalid:
+ [ [ id = base_ident; (l,id')=fields ->
+ local_make_qualid (local_append l id) id'
+ | id = base_ident -> local_make_short_qualid id
+ ] ]
+ ;
+ reference:
+ [ [ id = base_ident; (l,id') = fields ->
+ Qualid (loc, local_make_qualid (local_append l id) id')
+ | id = base_ident -> Ident (loc,id)
+ ] ]
+ ;
+ qualid:
+ [ [ qid = basequalid -> loc, qid ] ]
+ ;
+ ne_string:
+ [ [ s = STRING ->
+ if s="" then Util.user_err_loc(loc,"",Pp.str"Empty string"); s
+ ] ]
+ ;
+ bigint: (* Negative numbers are dealt with specially *)
+ [ [ i = INT -> Bignat.POS (Bignat.of_string i) ] ]
+ ;
+END