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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 *)
(************************************************************************)
(*
Syntax for the subtac terms and types.
Elaborated from correctness/psyntax.ml4 by Jean-Christophe Filliâtre *)
(* $Id: g_subtac.ml4 9326 2006-10-31 12:57:26Z msozeau $ *)
(*i camlp4deps: "parsing/grammar.cma" i*)
open Options
open Util
open Names
open Nameops
open Vernacentries
open Reduction
open Term
open Libnames
open Topconstr
(* We define new entries for programs, with the use of this module
* Subtac. These entries are named Subtac.<foo>
*)
module Gram = Pcoq.Gram
module Vernac = Pcoq.Vernac_
module Tactic = Pcoq.Tactic
module SubtacGram =
struct
let gec s = Gram.Entry.create ("Subtac."^s)
(* types *)
let subtac_gallina_loc : Vernacexpr.vernac_expr located Gram.Entry.e = gec "subtac_gallina_loc"
end
open SubtacGram
open Util
open Pcoq
let sigref = mkRefC (Qualid (dummy_loc, Libnames.qualid_of_string "Coq.Init.Specif.sig"))
GEXTEND Gram
GLOBAL: subtac_gallina_loc Constr.binder_let Constr.binder;
subtac_gallina_loc:
[ [ g = Vernac.gallina -> loc, g ] ]
;
Constr.binder_let:
[ [ "("; id=Prim.name; ":"; t=Constr.lconstr; "|"; c=Constr.lconstr; ")" ->
let typ = mkAppC (sigref, [mkLambdaC ([id], t, c)]) in
LocalRawAssum ([id], typ)
] ];
Constr.binder:
[ [ "("; id=Prim.name; ":"; c=Constr.lconstr; "|"; p=Constr.lconstr; ")" ->
let typ = mkAppC (sigref, [mkLambdaC ([id], c, p)]) in
([id], typ) ] ];
END
type ('a,'b) gallina_loc_argtype = (Vernacexpr.vernac_expr located, 'a, 'b) Genarg.abstract_argument_type
let (wit_subtac_gallina_loc : (Genarg.tlevel, Proof_type.tactic) gallina_loc_argtype),
(globwit_subtac_gallina_loc : (Genarg.glevel, Tacexpr.glob_tactic_expr) gallina_loc_argtype),
(rawwit_subtac_gallina_loc : (Genarg.rlevel, Tacexpr.raw_tactic_expr) gallina_loc_argtype) =
Genarg.create_arg "subtac_gallina_loc"
VERNAC COMMAND EXTEND Subtac
[ "Program" subtac_gallina_loc(g) ] -> [ Subtac.subtac g ]
| [ "Obligation" integer(num) "of" ident(name) ] -> [ Subtac_obligations.subtac_obligation (num, Some name) ]
| [ "Obligation" integer(num) ] -> [ Subtac_obligations.subtac_obligation (num, None) ]
| [ "Solve" "Obligations" "of" ident(name) "using" tactic(t) ] -> [ Subtac_obligations.solve_obligations (Some name) (Tacinterp.interp t) ]
| [ "Solve" "Obligations" "using" tactic(t) ] -> [ Subtac_obligations.solve_obligations None (Tacinterp.interp t) ]
| [ "Obligations" "of" ident(name) ] -> [ Subtac_obligations.show_obligations (Some name) ]
| [ "Obligations" ] -> [ Subtac_obligations.show_obligations None ]
END
|
