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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 Glob_term
open Constrexpr
open Vernacexpr
open Proof_global
open Pcoq
open Pcoq.Prim
open Pcoq.Constr
open Pvernac.Vernac_
let thm_token = G_vernac.thm_token
let hint = 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 *)
GRAMMAR EXTEND 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 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 ();
VernacFocus None }
| IDENT "Focus"; n = natural ->
{ warn_deprecated_focus_n n ~loc ();
VernacFocus (Some n) }
| IDENT "Unfocus" ->
{ warn_deprecated_unfocus ~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) }
] ];
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 "Resolve"; "->"; lc = LIST1 global; n = OPT natural ->
{ HintsResolveIFF (true, lc, n) }
| IDENT "Resolve"; "<-"; lc = LIST1 global; n = OPT natural ->
{ HintsResolveIFF (false, lc, n) }
| IDENT "Immediate"; lc = LIST1 reference_or_constr -> { HintsImmediate lc }
| IDENT "Variables"; IDENT "Transparent" -> { HintsTransparency (HintsVariables, true) }
| IDENT "Variables"; IDENT "Opaque" -> { HintsTransparency (HintsVariables, false) }
| IDENT "Constants"; IDENT "Transparent" -> { HintsTransparency (HintsConstants, true) }
| IDENT "Constants"; IDENT "Opaque" -> { HintsTransparency (HintsConstants, false) }
| IDENT "Transparent"; lc = LIST1 global -> { HintsTransparency (HintsReferences lc, true) }
| IDENT "Opaque"; lc = LIST1 global -> { HintsTransparency (HintsReferences 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 @@ CCast(c,CastConv t) } ] ]
;
mode:
[ [ l = LIST1 [ "+" -> { ModeInput }
| "!" -> { ModeNoHeadEvar }
| "-" -> { ModeOutput } ] -> { l } ] ]
;
END
|
