open Printf
-type state_tag = [ `Command | `Proof ]
+open MatitaTypes
+
+ (** None means: "same state as before" *)
+type state_tag = [ `Command | `Proof ] option
exception Command_error of string
-class virtual interpreterState ~(console: MatitaConsole.console) =
+(*
+let uri name =
+ UriManager.uri_of_string (sprintf "%s/%s" BuildTimeConf.base_uri name)
+*)
+
+let baseuri = ref "cic:/matita"
+let qualify name =
+ let baseuri = !baseuri in
+ if baseuri.[String.length baseuri - 1] = '/' then
+ baseuri ^ name
+ else
+ String.concat "/" [baseuri; name]
+
+let canonical_context metano metasenv =
+ try
+ let (_, context, _) = List.find (fun (m, _, _) -> m = metano) metasenv in
+ context
+ with Not_found ->
+ failwith (sprintf "Can't find canonical context for %d" metano)
+
+let get_context_and_metasenv (proof_handler:MatitaTypes.proof_handler) =
+ if proof_handler.MatitaTypes.has_proof () then
+ let proof = proof_handler.MatitaTypes.get_proof () in
+ let metasenv = proof#metasenv in
+ let goal = proof#goal in
+ (canonical_context goal metasenv, metasenv)
+ else
+ ([], [])
+
+ (** term AST -> Cic.term. Uses disambiguator and change imperatively the
+ * metasenv as needed *)
+let disambiguate ~(disambiguator:MatitaTypes.disambiguator) ~proof_handler ast =
+ if proof_handler.MatitaTypes.has_proof () then begin
+ let proof = proof_handler.MatitaTypes.get_proof () in
+ let metasenv = proof#metasenv in
+ let goal = proof#goal in
+ let context = canonical_context goal metasenv in
+ let (_, metasenv, term) as retval =
+ disambiguator#disambiguateTermAst ~context ~metasenv ast
+ in
+ proof#set_metasenv metasenv;
+ retval
+ end else
+ disambiguator#disambiguateTermAst ast
+
+class virtual interpreterState =
+ (* static values, shared by all states inheriting this class *)
+ let loc = ref None in
+ let history = ref [] in
+ fun ~(console: MatitaConsole.console) ->
object (self)
+
(** eval a toplevel phrase in the current state and return the new state
*)
- method parsePhrase s = CicTextualParser2.parse_tactical (Stream.of_string s)
+ method parsePhrase s =
+ match CicTextualParser2.parse_tactical (Stream.of_string s) with
+ | (TacticAst.LocatedTactical (loc', tac)) as tactical ->
+ loc := Some loc';
+ (match tac with (* update interpreter history *)
+ | TacticAst.Command (TacticAst.Qed None) ->
+ history := `Qed :: !history
+ | TacticAst.Command (TacticAst.Theorem (_, Some name, _, None)) ->
+ history := `Theorem name :: !history
+ | TacticAst.Command (TacticAst.Qed _)
+ | TacticAst.Command (TacticAst.Theorem _) -> assert false
+ | _ -> history := `Tactic :: !history);
+ tactical
+ | _ -> assert false
method virtual evalTactical:
(CicAst.term, string) TacticAst.tactical -> state_tag
- method evalPhrase s = self#evalTactical (self#parsePhrase s)
+(*
+ method undo ?(steps = 1) () =
+ for i = 1 to steps do
+ match List.hd !history with
+ | `Qed
+ FINQUI
+*)
+
+ method evalPhrase s =
+ debug_print (sprintf "evaluating '%s'" s);
+ self#evalTactical (self#parsePhrase s)
+
+ method endOffset =
+ match !loc with
+ | Some (start_pos, end_pos) -> end_pos.Lexing.pos_cnum
+ | None -> failwith "MatitaInterpreter: no offset recorded"
+
end
+let check_widget: MatitaTypes.sequent_viewer lazy_t = lazy
+ (let gui = MatitaGui.instance () in
+ MatitaMathView.sequent_viewer ~show:true ~packing:gui#check#scrolledCheck#add
+ ())
+
(** Implements phrases that should be accepted in all states *)
class sharedState
~(disambiguator: MatitaTypes.disambiguator)
method evalTactical = function
| TacticAst.Command TacticAst.Quit ->
proof_handler.MatitaTypes.quit ();
- `Command (* dummy answer, useless *)
+ Some `Command (* dummy answer, useless *)
| TacticAst.Command TacticAst.Proof ->
(* do nothing, just for compatibility with coq syntax *)
- `Command
+ Some `Command
+ | TacticAst.Command (TacticAst.Baseuri (Some uri)) ->
+ baseuri := uri;
+ console#echo_message (sprintf "base uri set to \"%s\"" uri);
+ None
+ | TacticAst.Command (TacticAst.Baseuri None) ->
+ console#echo_message (sprintf "base uri is \"%s\"" !baseuri);
+ None
+ | TacticAst.Command (TacticAst.Check term) ->
+ let (_, _, term) = disambiguate ~disambiguator ~proof_handler term in
+ let (context, metasenv) = get_context_and_metasenv proof_handler in
+ let dummyno = CicMkImplicit.new_meta metasenv [] in
+ let ty = CicTypeChecker.type_of_aux' metasenv context term in
+ let expr = Cic.Cast (term, ty) in
+ let sequent = (dummyno, context, expr) in
+ let widget = Lazy.force check_widget in
+ let gui = MatitaGui.instance () in
+ gui#check#checkWin#show ();
+ gui#main#showCheckMenuItem#set_active true;
+ widget#load_sequent (sequent::metasenv) dummyno;
+ None
| tactical ->
raise (Command_error (TacticAstPp.pp_tactical tactical))
end
| TacticAst.LocatedTactical (_, tactical) -> self#evalTactical tactical
| TacticAst.Command (TacticAst.Theorem (_, Some name, ast, None)) ->
let (_, metasenv, expr) = disambiguator#disambiguateTermAst ast in
- let proof = MatitaProof.proof ~typ:expr ~metasenv () in
+ let uri = UriManager.uri_of_string (qualify name) in
+ let proof = MatitaProof.proof ~typ:expr ~uri ~metasenv () in
proof_handler.MatitaTypes.new_proof proof;
- `Proof
+ Some `Proof
| TacticAst.Command TacticAst.Quit ->
proof_handler.MatitaTypes.quit ();
- `Command (* dummy answer, useless *)
+ Some `Command (* dummy answer, useless *)
| TacticAst.Command TacticAst.Proof ->
(* do nothing, just for compatibility with coq syntax *)
- `Command
+ Some `Command
| tactical -> shared#evalTactical tactical
end
-let canonical_context metano metasenv =
- try
- let (_, context, _) = List.find (fun (m, _, _) -> m = metano) metasenv in
- context
- with Not_found ->
- failwith (sprintf "Can't find canonical context for %d" metano)
-
(** create a ProofEngineTypes.mk_fresh_name_type function which uses given
* names as long as they are available, then it fallbacks to name generation
* using FreshNamesGenerator module *)
~(console: MatitaConsole.console)
()
=
- (** term AST -> Cic.term. Uses disambiguator and change imperatively the
- * metasenv as needed *)
let disambiguate ast =
- let proof = proof_handler.MatitaTypes.get_proof () in
- let metasenv = proof#metasenv in
- let goal = proof#goal in
- let context = canonical_context goal metasenv in
- let (_, metasenv, term) =
- disambiguator#disambiguateTermAst ~context ~metasenv ast
- in
- proof#set_metasenv metasenv;
+ let (_, _, term) = disambiguate ~disambiguator ~proof_handler ast in
term
in
(** tactic AST -> ProofEngineTypes.tactic *)
| TacticAst.LocatedTactic (_, tactic) -> lookup_tactic tactic
| TacticAst.Intros (_, names) -> (* TODO Zack implement intros length *)
PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
- | TacticAst.Reflexivity -> EqualityTactics.reflexivity_tac
- | TacticAst.Assumption -> VariousTactics.assumption_tac
- | TacticAst.Contradiction -> NegationTactics.contradiction_tac
- | TacticAst.Exists -> IntroductionTactics.exists_tac
- | TacticAst.Fourier -> FourierR.fourier_tac
- | TacticAst.Left -> IntroductionTactics.left_tac
- | TacticAst.Right -> IntroductionTactics.right_tac
- | TacticAst.Ring -> Ring.ring_tac
- | TacticAst.Split -> IntroductionTactics.split_tac
- | TacticAst.Symmetry -> EqualityTactics.symmetry_tac
- | TacticAst.Transitivity term ->
- EqualityTactics.transitivity_tac (disambiguate term)
- | TacticAst.Apply term -> PrimitiveTactics.apply_tac (disambiguate term)
- | TacticAst.Exact term -> PrimitiveTactics.exact_tac (disambiguate term)
- | TacticAst.Cut term -> PrimitiveTactics.cut_tac (disambiguate term)
- | TacticAst.ElimType term ->
- EliminationTactics.elim_type_tac (disambiguate term)
+ | TacticAst.Reflexivity -> Tactics.reflexivity
+ | TacticAst.Assumption -> Tactics.assumption
+ | TacticAst.Contradiction -> Tactics.contradiction
+ | TacticAst.Exists -> Tactics.exists
+ | TacticAst.Fourier -> Tactics.fourier
+ | TacticAst.Left -> Tactics.left
+ | TacticAst.Right -> Tactics.right
+ | TacticAst.Ring -> Tactics.ring
+ | TacticAst.Split -> Tactics.split
+ | TacticAst.Symmetry -> Tactics.symmetry
+ | TacticAst.Transitivity term -> Tactics.transitivity (disambiguate term)
+ | TacticAst.Apply term -> Tactics.apply (disambiguate term)
+ | TacticAst.Absurd term -> Tactics.absurd (disambiguate term)
+ | TacticAst.Exact term -> Tactics.exact (disambiguate term)
+ | TacticAst.Cut term -> Tactics.cut (disambiguate term)
+ | TacticAst.Elim (term, _) -> (* TODO Zack implement "using" argument *)
+ Tactics.elim_intros_simpl (disambiguate term)
+ | TacticAst.ElimType term -> Tactics.elim_type (disambiguate term)
| TacticAst.Replace (what, with_what) ->
- EqualityTactics.replace_tac ~what:(disambiguate what)
+ Tactics.replace ~what:(disambiguate what)
~with_what:(disambiguate with_what)
(*
(* TODO Zack a lot more of tactics to be implemented here ... *)
- | TacticAst.Absurd
| TacticAst.Change of 'term * 'term * 'ident option
| TacticAst.Change_pattern of 'term pattern * 'term * 'ident option
| TacticAst.Decompose of 'ident * 'ident list
| TacticAst.Discriminate of 'ident
- | TacticAst.Elim of 'term * 'term option
| TacticAst.Fold of reduction_kind * 'term
| TacticAst.Injection of 'ident
| TacticAst.LetIn of 'term * 'ident
| TacticAst.LocatedTactical (_, tactical) -> self#evalTactical tactical
| TacticAst.Command TacticAst.Abort ->
proof_handler.MatitaTypes.abort_proof ();
- `Command
+ Some `Command
| TacticAst.Command (TacticAst.Undo steps) ->
(proof_handler.MatitaTypes.get_proof ())#undo ?steps ();
- `Proof
+ Some `Proof
| TacticAst.Command (TacticAst.Redo steps) ->
(proof_handler.MatitaTypes.get_proof ())#redo ?steps ();
- `Proof
+ Some `Proof
+ | TacticAst.Command (TacticAst.Qed None) ->
+ (* TODO Zack this function probably should not simply fail with
+ * Failure, but rather raise some more meaningful exception *)
+ if not (proof_handler.MatitaTypes.has_proof ()) then assert false;
+ let proof = proof_handler.MatitaTypes.get_proof () in
+ let (uri, metasenv, bo, ty) = proof#proof in
+ let uri = MatitaTypes.unopt_uri uri in
+ if metasenv <> [] then failwith "Proof not completed";
+ let proved_ty = CicTypeChecker.type_of_aux' [] [] bo in
+ if not (CicReduction.are_convertible [] proved_ty ty) then
+ failwith "Wrong proof";
+ (* TODO Zack [] probably wrong *)
+ CicEnvironment.add_type_checked_term uri
+ (Cic.Constant ((UriManager.name_of_uri uri),(Some bo),ty,[]));
+ proof_handler.MatitaTypes.set_proof None;
+ (MatitaMathView.proof_viewer_instance ())#unload;
+ (* TODO Zack a lot more to be done here:
+ * - save object to disk in xml format
+ * - collect metadata
+ * - register uri to the getter *)
+ Some `Command
| TacticAst.Seq tacticals ->
(* TODO Zack check for proof completed at each step? *)
List.iter (fun t -> ignore (self#evalTactical t)) tacticals;
- `Proof
+ Some `Proof
| TacticAst.Tactic tactic_phrase ->
let tactic = lookup_tactic tactic_phrase in
(proof_handler.MatitaTypes.get_proof ())#apply_tactic tactic;
- `Proof
+ Some `Proof
| tactical -> shared#evalTactical tactical
end
new commandState ~disambiguator ~proof_handler ~console ()
in
let proofState = new proofState ~disambiguator ~proof_handler ~console () in
- object
+ object (self)
val mutable state = commandState
- method evalPhrase s =
+ method reset = state <- commandState
+
+ method endOffset = state#endOffset
+
+ method private updateState = function
+ | Some `Command -> state <- commandState
+ | Some `Proof -> state <- proofState
+ | None -> ()
+
+ method evalPhrase ?(transparent = false) s =
try
- (match state#evalPhrase s with
- | `Command -> state <- commandState
- | `Proof -> state <- proofState)
+ self#updateState (state#evalPhrase s)
with exn ->
- console#echo_error (sprintf "Uncaught exception: %s"
- (Printexc.to_string exn))
+ if transparent then
+ raise exn
+ else
+ console#echo_error (sprintf "Uncaught exception: %s"
+ (Printexc.to_string exn))
+
end
projects / helm.git / blobdiff