This commit was manufactured by cvs2svn to create branch 'moogle'.

[helm.git] / helm / matita / matitaInterpreter.ml

diff --git a/helm/matita/matitaInterpreter.ml b/helm/matita/matitaInterpreter.ml
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-(* 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
-