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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** Adding a bit of camlp5 syntax to camlp4 for compatibility:
- EXTEND ... becomes EXTEND Gram ...
*)
open Camlp4.PreCast
let rec my_token_filter = parser
| [< '(KEYWORD "EXTEND",_ as t); s >] ->
[< 't; '(UIDENT "Gram", Loc.ghost); my_token_filter s >]
| [< 'tokloc; s >] -> [< 'tokloc; my_token_filter s >]
| [< >] -> [< >]
let _ =
Token.Filter.define_filter (Gram.get_filter())
(fun prev strm -> prev (my_token_filter strm))
|
