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|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Constrexpr
open Vernacexpr
open Misctypes
open Pcoq
open Pcoq.Prim
open Pcoq.Constr
open Pcoq.Vernac_
let thm_token = G_vernac.thm_token
let hint = Gram.entry_create "hint"
let warn_deprecated_focus =
CWarnings.create ~name:"deprecated-focus" ~category:"deprecated"
(fun () ->
Pp.strbrk
"The Focus command is deprecated; use bullets or focusing brackets instead"
)
let warn_deprecated_focus_n n =
CWarnings.create ~name:"deprecated-focus" ~category:"deprecated"
(fun () ->
Pp.(str "The Focus command is deprecated;" ++ spc ()
++ str "use '" ++ int n ++ str ": {' instead")
)
let warn_deprecated_unfocus =
CWarnings.create ~name:"deprecated-unfocus" ~category:"deprecated"
(fun () -> Pp.strbrk "The Unfocus command is deprecated")
(* Proof commands *)
GEXTEND Gram
GLOBAL: hint command;
opt_hintbases:
[ [ -> []
| ":"; l = LIST1 [id = IDENT -> id ] -> l ] ]
;
command:
[ [ IDENT "Goal"; c = lconstr ->
VernacDefinition (Decl_kinds.(NoDischarge, Definition), ((CAst.make ~loc:!@loc Names.Anonymous), None), ProveBody ([], c))
| IDENT "Proof" -> VernacProof (None,None)
| IDENT "Proof" ; IDENT "Mode" ; mn = string -> VernacProofMode mn
| IDENT "Proof"; c = lconstr -> VernacExactProof c
| IDENT "Abort" -> VernacAbort None
| IDENT "Abort"; IDENT "All" -> VernacAbortAll
| IDENT "Abort"; id = identref -> VernacAbort (Some id)
| IDENT "Existential"; n = natural; c = constr_body ->
VernacSolveExistential (n,c)
| IDENT "Admitted" -> VernacEndProof Admitted
| IDENT "Qed" -> VernacEndProof (Proved (Opaque,None))
| IDENT "Save"; id = identref ->
VernacEndProof (Proved (Opaque, Some id))
| IDENT "Defined" -> VernacEndProof (Proved (Transparent,None))
| IDENT "Defined"; id=identref ->
VernacEndProof (Proved (Transparent,Some id))
| IDENT "Restart" -> VernacRestart
| IDENT "Undo" -> VernacUndo 1
| IDENT "Undo"; n = natural -> VernacUndo n
| IDENT "Undo"; IDENT "To"; n = natural -> VernacUndoTo n
| IDENT "Focus" ->
warn_deprecated_focus ~loc:!@loc ();
VernacFocus None
| IDENT "Focus"; n = natural ->
warn_deprecated_focus_n n ~loc:!@loc ();
VernacFocus (Some n)
| IDENT "Unfocus" ->
warn_deprecated_unfocus ~loc:!@loc ();
VernacUnfocus
| IDENT "Unfocused" -> VernacUnfocused
| IDENT "Show" -> VernacShow (ShowGoal OpenSubgoals)
| IDENT "Show"; n = natural -> VernacShow (ShowGoal (NthGoal n))
| IDENT "Show"; id = ident -> VernacShow (ShowGoal (GoalId id))
| IDENT "Show"; IDENT "Script" -> VernacShow ShowScript
| IDENT "Show"; IDENT "Existentials" -> VernacShow ShowExistentials
| IDENT "Show"; IDENT "Universes" -> VernacShow ShowUniverses
| IDENT "Show"; IDENT "Conjectures" -> VernacShow ShowProofNames
| IDENT "Show"; IDENT "Proof" -> VernacShow ShowProof
| IDENT "Show"; IDENT "Intro" -> VernacShow (ShowIntros false)
| IDENT "Show"; IDENT "Intros" -> VernacShow (ShowIntros true)
| IDENT "Show"; IDENT "Match"; id = reference -> VernacShow (ShowMatch id)
| IDENT "Guarded" -> VernacCheckGuard
(* Hints for Auto and EAuto *)
| IDENT "Create"; IDENT "HintDb" ;
id = IDENT ; b = [ "discriminated" -> true | -> false ] ->
VernacCreateHintDb (id, b)
| IDENT "Remove"; IDENT "Hints"; ids = LIST1 global; dbnames = opt_hintbases ->
VernacRemoveHints (dbnames, ids)
| IDENT "Hint"; h = hint;
dbnames = opt_hintbases ->
VernacHints (dbnames, h)
(* Declare "Resolve" explicitly so as to be able to later extend with
"Resolve ->" and "Resolve <-" *)
| IDENT "Hint"; IDENT "Resolve"; lc = LIST1 reference_or_constr;
info = hint_info; dbnames = opt_hintbases ->
VernacHints (dbnames,
HintsResolve (List.map (fun x -> (info, true, x)) lc))
] ];
reference_or_constr:
[ [ r = global -> HintsReference r
| c = constr -> HintsConstr c ] ]
;
hint:
[ [ IDENT "Resolve"; lc = LIST1 reference_or_constr; info = hint_info ->
HintsResolve (List.map (fun x -> (info, true, x)) lc)
| IDENT "Immediate"; lc = LIST1 reference_or_constr -> HintsImmediate lc
| IDENT "Transparent"; lc = LIST1 global -> HintsTransparency (lc, true)
| IDENT "Opaque"; lc = LIST1 global -> HintsTransparency (lc, false)
| IDENT "Mode"; l = global; m = mode -> HintsMode (l, m)
| IDENT "Unfold"; lqid = LIST1 global -> HintsUnfold lqid
| IDENT "Constructors"; lc = LIST1 global -> HintsConstructors lc ] ]
;
constr_body:
[ [ ":="; c = lconstr -> c
| ":"; t = lconstr; ":="; c = lconstr -> CAst.make ~loc:!@loc @@ CCast(c,CastConv t) ] ]
;
mode:
[ [ l = LIST1 [ "+" -> ModeInput
| "!" -> ModeNoHeadEvar
| "-" -> ModeOutput ] -> l ] ]
;
END
|
