open Printf
-type state_tag = [ `Command | `Proof ]
+ (** None means: "same state as before" *)
+type state_tag = [ `Command | `Proof ] option
exception Command_error of string
+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 ~(console: MatitaConsole.console) =
object (self)
(** eval a toplevel phrase in the current state and return the new state
method evalPhrase s = self#evalTactical (self#parsePhrase s)
end
+let check_widget: MatitaTypes.sequents_viewer lazy_t = lazy (
+ let gui = MatitaGui.instance () in
+ let notebook = GPack.notebook ~show:true ~packing:gui#check#checkWin#add () in
+ let sequent_viewer = MatitaMathView.sequent_viewer ~show:true () in
+ MatitaMathView.sequents_viewer ~notebook ~sequent_viewer ())
+
(** 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.Check term) ->
+ let dummyno = 1023 in
+ let (_, _, term) = disambiguate ~disambiguator ~proof_handler term in
+ let (context, metasenv) = get_context_and_metasenv proof_handler in
+ let sequent = (dummyno, context, term) in
+ let metadata = Cic2acic.asequent_of_sequent metasenv sequent in
+ let widget = Lazy.force check_widget in
+ let gui = MatitaGui.instance () in
+ gui#check#checkWin#show ();
+ gui#main#showCheckMenuItem#set_active true;
+ widget#reset;
+ widget#load_sequents [dummyno, metadata];
+ widget#goto_sequent dummyno;
+ None
| tactical ->
raise (Command_error (TacticAstPp.pp_tactical tactical))
end
let (_, metasenv, expr) = disambiguator#disambiguateTermAst ast in
let proof = MatitaProof.proof ~typ:expr ~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.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.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
object
val mutable state = commandState
+ method reset = state <- commandState
+
method evalPhrase s =
try
(match state#evalPhrase s with
- | `Command -> state <- commandState
- | `Proof -> state <- proofState)
+ | Some `Command -> state <- commandState
+ | Some `Proof -> state <- proofState
+ | None -> ())
with exn ->
console#echo_error (sprintf "Uncaught exception: %s"
(Printexc.to_string exn))