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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2010 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(*i $Id: extend.ml 13329 2010-07-26 11:05:39Z herbelin $ i*)
open Util
(**********************************************************************)
(* General entry keys *)
(* This intermediate abstract representation of entries can *)
(* both be reified into mlexpr for the ML extensions and *)
(* dynamically interpreted as entries for the Coq level extensions *)
type 'a prod_entry_key =
| Alist1 of 'a prod_entry_key
| Alist1sep of 'a prod_entry_key * string
| Alist0 of 'a prod_entry_key
| Alist0sep of 'a prod_entry_key * string
| Aopt of 'a prod_entry_key
| Amodifiers of 'a prod_entry_key
| Aself
| Anext
| Atactic of int
| Agram of 'a Gramext.g_entry
| Aentry of string * string
(**********************************************************************)
(* Entry keys for constr notations *)
type side = Left | Right
type production_position =
| BorderProd of side * Gramext.g_assoc option
| InternalProd
type production_level =
| NextLevel
| NumLevel of int
type ('lev,'pos) constr_entry_key_gen =
| ETName | ETReference | ETBigint
| ETBinder of bool
| ETConstr of ('lev * 'pos)
| ETPattern
| ETOther of string * string
| ETConstrList of ('lev * 'pos) * Token.pattern list
| ETBinderList of bool * Token.pattern list
(* Entries level (left-hand-side of grammar rules) *)
type constr_entry_key =
(int,unit) constr_entry_key_gen
(* Entries used in productions (in right-hand side of grammar rules) *)
type constr_prod_entry_key =
(production_level,production_position) constr_entry_key_gen
(* Entries used in productions, vernac side (e.g. "x bigint" or "x ident") *)
type simple_constr_prod_entry_key =
(production_level,unit) constr_entry_key_gen
|
