+++ /dev/null
-(* Copyright (C) 2004, HELM Team.
- *
- * This file is part of HELM, an Hypertextual, Electronic
- * Library of Mathematics, developed at the Computer Science
- * Department, University of Bologna, Italy.
- *
- * HELM is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * HELM is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with HELM; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
- * MA 02111-1307, USA.
- *
- * For details, see the HELM World-Wide-Web page,
- * http://helm.cs.unibo.it/
- *)
-
-open Printf
-
-type state_tag = [ `Command | `Proof ]
-
-exception Command_not_found of string
-
-class virtual interpreterState ~(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 virtual evalTactical:
- (CicAst.term, string) TacticAst.tactical -> state_tag
-
- method evalPhrase s = self#evalTactical (self#parsePhrase s)
- end
-
-class commandState
- ~(disambiguator: MatitaTypes.disambiguator)
- ~(proof_handler: MatitaTypes.proof_handler)
- ~(console: MatitaConsole.console)
- ()
-=
- object (self)
- inherit interpreterState ~console
-
- method evalTactical = function
-(*
- | TacticAst.Command _ -> failwith "1"
- | TacticAst.Tactic _ -> failwith "2"
- | TacticAst.LocatedTactical _ -> failwith "3"
- | TacticAst.Fail -> failwith "4"
- | TacticAst.Do (_, _) -> failwith "5"
- | TacticAst.IdTac -> failwith "6"
- | TacticAst.Repeat _ -> failwith "7"
- | TacticAst.Seq _ -> failwith "8"
- | TacticAst.Then (_, _) -> failwith "9"
- | TacticAst.Tries _ -> failwith "10"
- | TacticAst.Try _ -> failwith "11"
-*)
- | TacticAst.LocatedTactical (_, tactical) -> self#evalTactical tactical
- | TacticAst.Command (TacticAst.Theorem (_, Some name, ast, None)) ->
- let (_, metasenv, expr) = disambiguator#disambiguateTermAst ast in
- let _ = CicTypeChecker.type_of_aux' metasenv [] expr in
- let proof = MatitaProof.proof ~typ:expr ~metasenv () in
- proof_handler.MatitaTypes.new_proof proof;
- `Proof
- | TacticAst.Command TacticAst.Quit ->
- proof_handler.MatitaTypes.quit ();
- `Command (* dummy answer, useless *)
- | TacticAst.Command TacticAst.Proof ->
- (* do nothing, just for compatibility with coq syntax *)
- `Command
- | tactical ->
- raise (Command_not_found (TacticAstPp.pp_tactical tactical))
- end
-
-class proofState
- ~(disambiguator: MatitaTypes.disambiguator)
- ~(proof_handler: MatitaTypes.proof_handler)
- ~(console: MatitaConsole.console)
- ()
-=
- let commandState =
- new commandState ~disambiguator ~proof_handler ~console ()
- in
- object
- inherit interpreterState ~console
-
- method evalTactical = function
- | TacticAst.Command TacticAst.Abort ->
- proof_handler.MatitaTypes.set_proof None;
- `Command
- | tactical -> (* fallback on command state *)
- commandState#evalTactical tactical
- end
-
-class interpreter
- ~(disambiguator: MatitaTypes.disambiguator)
- ~(proof_handler: MatitaTypes.proof_handler)
- ~(console: MatitaConsole.console)
- ()
-=
- let commandState =
- new commandState ~disambiguator ~proof_handler ~console ()
- in
- let proofState = new proofState ~disambiguator ~proof_handler ~console () in
- object
- val mutable state = commandState
-
- method evalPhrase s =
- try
- (match state#evalPhrase s with
- | `Command -> state <- commandState
- | `Proof -> state <- proofState)
- with exn ->
- console#echo_error (sprintf "Uncaught exception: %s"
- (Printexc.to_string exn))
- end
-