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|
(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(*i camlp4deps: "parsing/grammar.cma" i*)
(* $Id$ *)
open Pp
open Ast
open Pcoq
open Prim
open Module
open Util
(* Grammar rules for module expressions and types *)
GEXTEND Gram
GLOBAL: ne_binders_list module_expr
module_type;
ident:
[ [ id = Prim.var -> id ] ]
;
ident_comma_list_tail:
[ [ ","; idl = LIST0 ident SEP "," -> idl
| -> [] ] ]
;
qualid:
[ [ id = Prim.var; l = fields -> <:ast< (QUALID $id ($LIST $l)) >>
| id = Prim.var -> <:ast< (QUALID $id) >>
] ]
;
fields:
[ [ id = FIELD; l = fields -> <:ast< ($VAR $id) >> :: l
| id = FIELD -> [ <:ast< ($VAR $id) >> ]
] ]
;
vardecls: (* This is interpreted by Pcoq.abstract_binder *)
[ [ id = ident; idl = ident_comma_list_tail;
":"; mty = module_type ->
<:ast< (BINDER $mty $id ($LIST $idl)) >> ] ]
;
ne_vardecls_list:
[ [ id = vardecls; ";"; idl = ne_vardecls_list -> id :: idl
| id = vardecls -> [id] ] ]
;
rawbinders:
[ [ "["; bl = ne_vardecls_list; "]" -> bl ] ]
;
ne_binders_list:
[ [ bl = rawbinders; bll = ne_binders_list -> bl @ bll
| bl = rawbinders -> bl ] ]
;
module_expr:
[ [ qid = qualid -> <:ast< (MODEXPRQID $qid) >>
| me1 = module_expr; me2 = module_expr ->
<:ast< (MODEXPRAPP $me1 $me2) >>
| "("; me = module_expr; ")" ->
me
(* ... *)
] ]
;
module_type:
[ [ qid = qualid -> <:ast< (MODTYPEQID $qid) >>
(* ... *)
] ]
;
END
|
