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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 *)
(************************************************************************)
open Compat
open Constrexpr
open Vernacexpr
open Locality
open Misctypes
open Tok
open Pcoq
open Pcoq.Tactic
open Pcoq.Prim
open Pcoq.Constr
open Pcoq.Vernac_
let thm_token = G_vernac.thm_token
let only_identrefs =
Gram.Entry.of_parser "test_only_identrefs"
(fun strm ->
let rec aux n =
match get_tok (Util.stream_nth n strm) with
| KEYWORD "." -> ()
| KEYWORD ")" -> ()
| IDENT _ -> aux (n+1)
| _ -> raise Stream.Failure in
aux 0)
let hint_proof_using e = function
| Some _ as x -> x
| None -> match Proof_using.get_default_proof_using () with
| None -> None
| Some s -> Some (Gram.entry_parse e (Gram.parsable (Stream.of_string s)))
(* Proof commands *)
GEXTEND Gram
GLOBAL: command;
opt_hintbases:
[ [ -> []
| ":"; l = LIST1 [id = IDENT -> id ] -> l ] ]
;
command:
[ [ IDENT "Goal"; c = lconstr -> VernacGoal c
| IDENT "Proof" ->
VernacProof (None,hint_proof_using section_subset_descr None)
| IDENT "Proof" ; IDENT "Mode" ; mn = string -> VernacProofMode mn
| IDENT "Proof"; "with"; ta = tactic;
l = OPT [ "using"; l = section_subset_descr -> l ] ->
VernacProof (Some ta, hint_proof_using section_subset_descr l)
| IDENT "Proof"; "using"; l = section_subset_descr;
ta = OPT [ "with"; ta = tactic -> ta ] ->
VernacProof (ta,Some l)
| 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 (true,None))
| IDENT "Save" -> VernacEndProof (Proved (true,None))
| IDENT "Save"; tok = thm_token; id = identref ->
VernacEndProof (Proved (true,Some (id,Some tok)))
| IDENT "Save"; id = identref ->
VernacEndProof (Proved (true,Some (id,None)))
| IDENT "Defined" -> VernacEndProof (Proved (false,None))
| IDENT "Defined"; id=identref ->
VernacEndProof (Proved (false,Some (id,None)))
| IDENT "Restart" -> VernacRestart
| IDENT "Undo" -> VernacUndo 1
| IDENT "Undo"; n = natural -> VernacUndo n
| IDENT "Undo"; IDENT "To"; n = natural -> VernacUndoTo n
| IDENT "Focus" -> VernacFocus None
| IDENT "Focus"; n = natural -> VernacFocus (Some n)
| IDENT "Unfocus" -> VernacUnfocus
| IDENT "Unfocused" -> VernacUnfocused
| IDENT "Show" -> VernacShow (ShowGoal OpenSubgoals)
| IDENT "Show"; n = natural -> VernacShow (ShowGoal (NthGoal n))
| IDENT "Show"; IDENT "Goal"; n = string ->
VernacShow (ShowGoal (GoalId n))
| IDENT "Show"; IDENT "Implicit"; IDENT "Arguments"; n = OPT natural ->
VernacShow (ShowGoalImplicitly n)
| IDENT "Show"; IDENT "Node" -> VernacShow ShowNode
| IDENT "Show"; IDENT "Script" -> VernacShow ShowScript
| IDENT "Show"; IDENT "Existentials" -> VernacShow ShowExistentials
| IDENT "Show"; IDENT "Tree" -> VernacShow ShowTree
| 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 = identref -> VernacShow (ShowMatch id)
| IDENT "Show"; IDENT "Thesis" -> VernacShow ShowThesis
| 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"; local = obsolete_locality; h = hint;
dbnames = opt_hintbases ->
VernacHints (local,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;
pri = OPT [ "|"; i = natural -> i ];
dbnames = opt_hintbases ->
VernacHints (false,dbnames,
HintsResolve (List.map (fun x -> (pri, true, x)) lc))
] ];
section_subset_descr:
[ [ IDENT "All" -> SsAll
| "Type" -> SsType
| only_identrefs; l = LIST0 identref -> SsExpr (SsSet l)
| e = section_subset_expr -> SsExpr e ] ]
;
section_subset_expr:
[ "35"
[ "-"; e = section_subset_expr -> SsCompl e ]
| "50"
[ e1 = section_subset_expr; "-"; e2 = section_subset_expr->SsSubstr(e1,e2)
| e1 = section_subset_expr; "+"; e2 = section_subset_expr->SsUnion(e1,e2)]
| "0"
[ i = identref -> SsSet [i]
| "("; only_identrefs; l = LIST0 identref; ")"-> SsSet l
| "("; e = section_subset_expr; ")"-> e ] ]
;
obsolete_locality:
[ [ IDENT "Local" -> true | -> false ] ]
;
reference_or_constr:
[ [ r = global -> HintsReference r
| c = constr -> HintsConstr c ] ]
;
hint:
[ [ IDENT "Resolve"; lc = LIST1 reference_or_constr;
pri = OPT [ "|"; i = natural -> i ] ->
HintsResolve (List.map (fun x -> (pri, 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 "Unfold"; lqid = LIST1 global -> HintsUnfold lqid
| IDENT "Constructors"; lc = LIST1 global -> HintsConstructors lc
| IDENT "Extern"; n = natural; c = OPT constr_pattern ; "=>";
tac = tactic ->
HintsExtern (n,c,tac) ] ]
;
constr_body:
[ [ ":="; c = lconstr -> c
| ":"; t = lconstr; ":="; c = lconstr -> CCast(!@loc,c,CastConv t) ] ]
;
END
|
