+++ /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/
- *)
-
-(** Interpreter for textual phrases coming from matita's console (textual entry
-* window at the bottom of the main window).
-*
-* Interpreter is either in Command state or in Proof state (see state type
-* below). In Command state commands for starting proofs are accepted, but
-* tactic and tactical applications are not. In Proof state both
-* tactic/tacticals and commands are accepted.
-*)
-
-open Printf
-
-open MatitaTypes
-
-type state = Command | Proof
-type outcome = New_state of state | Quiet | Echo of string
-
-exception Command_error of string
-
-(*
-let uri name =
- UriManager.uri_of_string (sprintf "%s/%s" BuildTimeConf.base_uri name)
-*)
-
-let baseuri = lazy (ref ("cic:/matita/" ^ Helm_registry.get "matita.owner"))
-let basedir = lazy (ref (Helm_registry.get "matita.basedir"))
-
-let qualify name =
- let baseuri = !(Lazy.force baseuri) in
- if baseuri.[String.length baseuri - 1] = '/' then
- baseuri ^ name
- else
- String.concat "/" [baseuri; name]
-let split_obj = function
- | Cic.Constant (name, body, ty, _, attrs)
- | Cic.Variable (name, body, ty, _, attrs) -> (name, body, ty, attrs)
- | _ -> assert false
-
-class virtual interpreterState =
- (* static values, shared by all states inheriting this class *)
- let loc = ref None in
- let last_item = ref None in
- let evalAstCallback = ref None in
- fun ~(console: #MatitaTypes.console) ->
- object (self)
-
- val dbd = MatitaMisc.dbd_instance ()
- val currentProof = MatitaProof.instance ()
- val disambiguator = MatitaDisambiguator.instance ()
-
- (** eval a toplevel phrase in the current state and return the new state
- *)
- method parsePhrase s =
- match disambiguator#parserr#parseTactical s with
- | (TacticAst.LocatedTactical (loc', tac)) as tactical ->
- loc := Some loc';
- tactical
- | _ -> assert false
-
- method virtual evalTactical:
- (CicAst.term, string) TacticAst.tactical -> outcome
-
- method private _evalTactical ast =
- self#setLastItem None;
- let res = self#evalTactical ast in
- (match !evalAstCallback with Some f -> f ast | None -> ());
- res
-
- method evalPhrase s =
- self#_evalTactical (self#parsePhrase (Stream.of_string s))
-
- method evalAst ast = self#_evalTactical ast
-
- method endOffset =
- match !loc with
- | Some (start_pos, end_pos) -> end_pos.Lexing.pos_cnum
- | None -> failwith "MatitaInterpreter: no offset recorded"
-
- method lastItem: script_item option = !last_item
- method private setLastItem item = last_item := item
-
- method setEvalAstCallback f = evalAstCallback := Some f
-
- end
-
- (** Implements phrases that should be accepted in all states *)
-class sharedState
- ~(console: #MatitaTypes.console)
- ?(mathViewer: MatitaTypes.mathViewer option)
- ()
-=
- object (self)
- inherit interpreterState ~console
- method evalTactical = function
- | TacticAst.Command TacticAst.Quit ->
- currentProof#quit ();
- assert false (* dummy answer, useless *)
- | TacticAst.Command TacticAst.Proof ->
- (* do nothing, just for compatibility with coq syntax *)
- New_state Command
- | TacticAst.Command (TacticAst.Baseuri (Some uri)) ->
- Lazy.force baseuri := uri;
- console#echo_message (sprintf "base uri set to \"%s\"" uri);
- Quiet
- | TacticAst.Command (TacticAst.Baseuri None) ->
- console#echo_message (sprintf "base uri is \"%s\""
- !(Lazy.force baseuri));
- Quiet
- | TacticAst.Command (TacticAst.Basedir (Some path)) ->
- Lazy.force basedir := path;
- console#echo_message (sprintf "base dir set to \"%s\"" path);
- Quiet
- | TacticAst.Command (TacticAst.Basedir None) ->
- console#echo_message (sprintf "base dir is \"%s\""
- !(Lazy.force basedir));
- Quiet
- | TacticAst.Command (TacticAst.Check term) ->
- let (_, metasenv, term,ugraph) =
- MatitaCicMisc.disambiguate ~disambiguator ~currentProof term
- in
- let (context, _) =
- MatitaCicMisc.get_context_and_metasenv currentProof
- in
-(* this is the Eval Compute
- let term = CicReduction.whd context term in
-*)
- let dummyno = CicMkImplicit.new_meta metasenv [] in
- let ty,ugraph1 =
- CicTypeChecker.type_of_aux' metasenv context term ugraph
- in
- (* TASSI: here ugraph1 is unused.... FIXME *)
- let expr = Cic.Cast (term, ty) in
- (match mathViewer with
- | Some v -> v#checkTerm (`Cic (expr, metasenv))
- | _ -> ());
- Quiet
- | TacticAst.Command (TacticAst.Search_pat (search_kind, pat)) ->
- let uris =
- match search_kind with
- | `Locate -> MetadataQuery.locate ~dbd pat
- | `Elim -> MetadataQuery.elim ~dbd pat
- | _ -> assert false
- in
- (* TODO ZACK: show URIs to the user *)
- Quiet
- | TacticAst.Command (TacticAst.Print `Env) ->
- let uris = CicEnvironment.list_uri () in
- console#echo_message "Environment:";
- List.iter (fun u ->
- console#echo_message (" " ^ (UriManager.string_of_uri u))
- ) uris;
- Quiet
- | TacticAst.Command (TacticAst.Print `Coer) ->
- let uris = CoercGraph.get_coercions_list () in
- console#echo_message "Coercions:";
- List.iter (fun (s,t,u) ->
- console#echo_message (" " ^ (UriManager.string_of_uri u))
- ) uris;
- Quiet
- | tactical ->
- raise (Command_error (TacticAstPp.pp_tactical tactical))
- end
-
-open Printf
-
-let pp_indtypes indTypes =
- List.iter
- (fun (name, _, typ, constructors) ->
- printf "%s: %s\n" name (CicPp.ppterm typ);
- List.iter
- (fun (name, term) -> printf "\t%s: %s\n" name (CicPp.ppterm term))
- constructors)
- indTypes;
- flush stdout
-
-let inddef_of_ast params indTypes (disambiguator:MatitaTypes.disambiguator) =
- let add_pi binders t =
- List.fold_right
- (fun (name, ast) acc ->
- CicAst.Binder (`Forall, (Cic.Name name, Some ast), acc))
- binders t
- in
- let ind_binders =
- List.map (fun (name, _, typ, _) -> (name, add_pi params typ)) indTypes
- in
- let binders = ind_binders @ params in
- let asts = ref [] in
- let add_ast ast = asts := ast :: !asts in
- let paramsno = List.length params in
- let indbindersno = List.length ind_binders in
- List.iter
- (fun (name, _, typ, constructors) ->
- add_ast (add_pi params typ);
- List.iter (fun (_, ast) -> add_ast (add_pi binders ast)) constructors)
- indTypes;
- let (_, metasenv, terms, ugraph) =
- disambiguator#disambiguateTermAsts ~metasenv:[] !asts
- in
- let terms = ref (List.rev terms) in
- let get_term () =
- match !terms with [] -> assert false | hd :: tl -> terms := tl; hd
- in
- let uri =
- match indTypes with
- | (name, _, _, _) :: _ -> qualify name ^ ".ind"
- | _ -> assert false
- in
- let mutinds =
- let counter = ref 0 in
- List.map
- (fun _ ->
- incr counter;
- CicUtil.term_of_uri (sprintf "%s#xpointer(1/%d)" uri !counter))
- indTypes
- in
- let subst_mutinds = List.fold_right CicSubstitution.subst mutinds in
- let cicIndTypes =
- List.fold_left
- (fun acc (name, inductive, typ, constructors) ->
- let cicTyp = get_term () in
- let cicConstructors =
- List.fold_left
- (fun acc (name, _) ->
- let typ =
- subst_mutinds (CicUtil.strip_prods indbindersno (get_term ()))
- in
- (name, typ) :: acc)
- [] constructors
- in
- (name, inductive, cicTyp, List.rev cicConstructors) :: acc)
- [] indTypes
- in
- let cicIndTypes = List.rev cicIndTypes in
- (UriManager.uri_of_string uri, (cicIndTypes, [], paramsno))
-
-let save_object_to_disk uri obj =
- let ensure_path_exists path =
- let dir = Filename.dirname path in
- try
- let stats = Unix.stat dir in
- if stats.Unix.st_kind <> Unix.S_DIR then
- raise (Failure (dir ^ " already exists and is not a directory"))
- else
- ()
- with
- Unix.Unix_error (_,_,_) ->
- let pstatus = Unix.system ("mkdir -p " ^ dir) in
- match pstatus with
- | Unix.WEXITED n when n = 0 -> ()
- | _ -> raise (Failure ("Unable to create " ^ dir))
- in
- (* generate annobj, ids_to_inner_sorts and ids_to_inner_types *)
- let annobj,_,_,ids_to_inner_sorts,ids_to_inner_types,_,_ =
- Cic2acic.acic_object_of_cic_object ~eta_fix:false obj
- in
- (* prepare XML *)
- let xml, bodyxml =
- Cic2Xml.print_object uri ~ids_to_inner_sorts ~ask_dtd_to_the_getter:false
- annobj
- in
- let xmlinnertypes =
- Cic2Xml.print_inner_types uri ~ids_to_inner_sorts ~ids_to_inner_types
- ~ask_dtd_to_the_getter:false
- in
- (* prepare URIs and paths *)
- let innertypesuri = UriManager.innertypesuri_of_uri uri in
- let bodyuri = UriManager.bodyuri_of_uri uri in
- let innertypesfilename = Str.replace_first (Str.regexp "^cic:") ""
- (UriManager.string_of_uri innertypesuri) ^ ".xml.gz" in
- let innertypespath = !(Lazy.force basedir) ^ "/" ^ innertypesfilename in
- let xmlfilename = Str.replace_first (Str.regexp "^cic:/") ""
- (UriManager.string_of_uri uri) ^ ".xml.gz" in
- let xmlpath = !(Lazy.force basedir) ^ "/" ^ xmlfilename in
- let xmlbodyfilename = Str.replace_first (Str.regexp "^cic:/") ""
- (UriManager.string_of_uri uri) ^ ".body.xml.gz" in
- let xmlbodypath = !(Lazy.force basedir) ^ "/" ^ xmlbodyfilename in
- let path_scheme_of path = "file://" ^ path in
- MatitaMisc.mkdirs (List.map Filename.dirname [innertypespath; xmlpath]);
- (* now write to disk *)
- ensure_path_exists innertypespath;
- Xml.pp ~gzip:true xmlinnertypes (Some innertypespath) ;
- ensure_path_exists xmlpath;
- Xml.pp ~gzip:true xml (Some xmlpath) ;
-
- (* now register to the getter *)
- Http_getter.register' innertypesuri (path_scheme_of innertypespath);
- Http_getter.register' uri (path_scheme_of xmlpath);
- (* now the optional body, both write and register *)
- (match bodyxml,bodyuri with
- None,None -> ()
- | Some bodyxml,Some bodyuri->
- ensure_path_exists xmlbodypath;
- Xml.pp ~gzip:true bodyxml (Some xmlbodypath) ;
- Http_getter.register' bodyuri (path_scheme_of xmlbodypath)
- | _-> assert false)
-
- (* TODO ZACK a lot more to be done here:
- * - save universe file *)
-let add_constant_to_world ~(console: #MatitaTypes.console)
- ~dbd ~uri ?body ~ty ?(params = []) ?(attrs = []) ~ugraph ()
-=
- let suri = UriManager.string_of_uri uri in
- if CicEnvironment.in_library uri then
- error (sprintf "%s constant already defined" suri)
- else begin
- let name = UriManager.name_of_uri uri in
- let obj = Cic.Constant (name, body, ty, params, attrs) in
- let ugraph = CicUnivUtils.clean_and_fill uri obj ugraph in
- CicEnvironment.add_type_checked_term uri (obj, ugraph);
- MetadataDb.index_constant ~dbd ~uri ~body ~ty;
- save_object_to_disk uri obj;
- console#echo_message (sprintf "%s constant defined" suri)
- end
-
-let add_inductive_def_to_world ~(console: #MatitaTypes.console)
- ~dbd ~uri ~indTypes ?(params = []) ?(leftno = 0) ?(attrs = []) ~ugraph ()
-=
- let suri = UriManager.string_of_uri uri in
- if CicEnvironment.in_library uri then
- error (sprintf "%s inductive type already defined" suri)
- else begin
- let name = UriManager.name_of_uri uri in
- let obj = Cic.InductiveDefinition (indTypes, params, leftno, attrs) in
- let ugraph = CicUnivUtils.clean_and_fill uri obj ugraph in
- CicEnvironment.put_inductive_definition uri (obj, ugraph);
- MetadataDb.index_inductive_def ~dbd ~uri ~types:indTypes;
- save_object_to_disk uri obj;
- console#echo_message (sprintf "%s inductive type defined" suri);
- let elim sort =
- try
- let obj = CicElim.elim_of ~sort uri 0 in
- let (name, body, ty, attrs) = split_obj obj in
- let suri = qualify name ^ ".con" in
- let uri = UriManager.uri_of_string suri in
- (* TODO Zack: make CicElim returns a universe *)
- let ugraph = CicUniv.empty_ugraph in
- add_constant_to_world ~console ~dbd ~uri ?body ~ty ~attrs ~ugraph ();
-(*
- console#echo_message
- (sprintf "%s eliminator (automatically) defined" suri)
-*)
- with CicElim.Can_t_eliminate -> ()
- in
- List.iter elim [ Cic.Prop; Cic.Set; (Cic.Type (CicUniv.fresh ())) ];
- end
-
- (** Implements phrases that should be accepted only in Command state *)
-class commandState ~(console: #MatitaTypes.console) ?mathViewer () =
- let shared = new sharedState ~console ?mathViewer () in
- object (self)
- inherit interpreterState ~console
-
- method evalTactical = function
- | TacticAst.LocatedTactical (_, tactical) -> self#evalTactical tactical
- | TacticAst.Command (TacticAst.Theorem (_, Some name, ast, None)) ->
- let (_, metasenv, expr,ugraph) =
- disambiguator#disambiguateTermAst ast
- in
- let uri = UriManager.uri_of_string (qualify name ^ ".con") in
- let proof = MatitaProof.proof ~typ:expr ~uri ~metasenv () in
- currentProof#start proof;
- self#setLastItem (Some `Theorem);
- New_state Proof
- | TacticAst.Command
- (TacticAst.Theorem (_, Some name, type_ast, Some body_ast)) ->
- let (_, metasenv, type_cic, ugraph) =
- disambiguator#disambiguateTermAst type_ast
- in
- let (_, metasenv, body_cic, ugraph) =
- disambiguator#disambiguateTermAst ~metasenv body_ast
- in
- let (body_type, ugraph) =
- CicTypeChecker.type_of_aux' metasenv [] body_cic ugraph
- in
- let uri = UriManager.uri_of_string (qualify name ^ ".con") in
- let (subst, metasenv, ugraph) =
- CicUnification.fo_unif metasenv [] body_type type_cic ugraph
- in
- let body = CicMetaSubst.apply_subst subst body_cic in
- let ty = CicMetaSubst.apply_subst subst type_cic in
- add_constant_to_world ~console ~dbd ~uri ~body ~ty ~ugraph ();
- self#setLastItem (Some (`Def uri));
- Quiet
- | TacticAst.Command (TacticAst.Inductive (params, indTypes)) ->
-
- let (uri, (indTypes, params, leftno)) =
- inddef_of_ast params indTypes disambiguator
- in
- let obj = Cic.InductiveDefinition (indTypes, params, leftno, []) in
- let ugraph =
- CicTypeChecker.typecheck_mutual_inductive_defs uri
- (indTypes, params, leftno) CicUniv.empty_ugraph
- in
- add_inductive_def_to_world ~console
- ~dbd ~uri ~indTypes ~params ~leftno ~ugraph ();
- self#setLastItem (Some (`Inductive uri));
- Quiet
- | TacticAst.Command TacticAst.Quit ->
- currentProof#quit ();
- New_state Command (* dummy answer, useless *)
- | TacticAst.Command TacticAst.Proof ->
- (* do nothing, just for compatibility with coq syntax *)
- New_state Command
- | TacticAst.Command (TacticAst.Coercion c_ast) ->
- let env, metasenv, coercion, ugraph =
- disambiguator#disambiguateTermAst c_ast
- in
- let coer_uri,coer_ty =
- match coercion with
- | Cic.Const (uri,_)
- | Cic.Var (uri,_) ->
- let o,_ =
- CicEnvironment.get_obj CicUniv.empty_ugraph uri
- in
- (match o with
- | Cic.Constant (_,_,ty,_,_)
- | Cic.Variable (_,_,ty,_,_) ->
- uri,ty
- | _ -> assert false)
- | Cic.MutConstruct (uri,t,c,_) ->
- let o,_ =
- CicEnvironment.get_obj CicUniv.empty_ugraph uri
- in
- (match o with
- | Cic.InductiveDefinition (l,_,_,_) ->
- let (_,_,_,cl) = List.nth l t in
- let (_,cty) = List.nth cl c in
- uri,cty
- | _ -> assert false)
- | _ -> assert false
- in
- (* we have to get the source and the tgt type uri
- * in Coq syntax we have already their names, but
- * since we don't support Funclass and similar I think
- * all the coercion should be of the form
- * (A:?)(B:?)T1->T2
- * So we should be able to extract them from the coercion type
- *)
- let extract_last_two_p ty =
- let rec aux = function
- | Cic.Prod( _, src, Cic.Prod (n,t1,t2)) -> aux (Cic.Prod(n,t1,t2))
- | Cic.Prod( _, src, tgt) -> src, tgt
- | _ -> assert false
- in
- aux ty
- in
- let rec uri_of_term = function
- | Cic.Const(u,_) -> u
- | Cic.MutInd (u, i , _) ->
- (* we have to build by hand the #xpointer *)
- let base = UriManager.string_of_uri u in
- let xp = "#xpointer(1/" ^ (string_of_int (i+1)) ^ ")" in
- UriManager.uri_of_string (base ^ xp)
- | Cic.Appl (he::_) -> uri_of_term he
- | t ->
- error ("can't extract uri from " ^ (CicPp.ppterm t));
- assert false
- in
- let ty_src,ty_tgt = extract_last_two_p coer_ty in
- let src_uri = uri_of_term ty_src in
- let tgt_uri = uri_of_term ty_tgt in
- let coercions_to_add =
- CoercGraph.close_coercion_graph src_uri tgt_uri coer_uri
- in
- (* FIXME: we should chek it this object can be a coercion
- * maybe add the check to extract_last_two_p
- *)
- console#echo_message (sprintf "Coercion %s"
- (UriManager.string_of_uri coer_uri));
- List.iter (fun (uri,obj,ugraph) ->
- (*
- console#echo_message
- (sprintf "Coercion (automatic) %s"
- (UriManager.string_of_uri uri));
- *)
- let (name, body, ty, attrs) = split_obj obj in
- add_constant_to_world ~console
- ~dbd ~uri ?body ~ty ~attrs ~ugraph ();
- ) coercions_to_add;
- Quiet
- | tactical -> shared#evalTactical tactical
- end
-
- (** 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 *)
-let namer_of names =
- let len = List.length names in
- let count = ref 0 in
- fun metasenv context name ~typ ->
- if !count < len then begin
- let name = Cic.Name (List.nth names !count) in
- incr count;
- name
- end else
- FreshNamesGenerator.mk_fresh_name ~subst:[] metasenv context name ~typ
-
- (** Implements phrases that should be accepted only in Proof state, basically
- * tacticals *)
-class proofState ~(console: #MatitaTypes.console) ?mathViewer () =
- let shared = new sharedState ~console ?mathViewer () in
- object (self)
- inherit interpreterState ~console
-
- method private disambiguate ast =
- let (_, _, term, _) =
- MatitaCicMisc.disambiguate ~disambiguator ~currentProof ast
- in
- term
-
- (** tactic AST -> ProofEngineTypes.tactic *)
- method private lookup_tactic = function
- | TacticAst.LocatedTactic (_, tactic) -> self#lookup_tactic tactic
- | TacticAst.Intros (_, names) -> (* TODO Zack implement intros length *)
- PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names)
- ()
- | 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 (self#disambiguate term)
- | TacticAst.Apply term -> Tactics.apply (self#disambiguate term)
- | TacticAst.Absurd term -> Tactics.absurd (self#disambiguate term)
- | TacticAst.Exact term -> Tactics.exact (self#disambiguate term)
- | TacticAst.Cut term -> Tactics.cut (self#disambiguate term)
- | TacticAst.Elim (term, _) -> (* TODO Zack implement "using" argument *)
- Tactics.elim_intros_simpl (self#disambiguate term)
- | TacticAst.ElimType term -> Tactics.elim_type (self#disambiguate term)
- | TacticAst.Replace (what, with_what) ->
- Tactics.replace ~what:(self#disambiguate what)
- ~with_what:(self#disambiguate with_what)
- | TacticAst.Auto -> Tactics.auto_new ~dbd
- | TacticAst.Hint ->
- let l = List.map fst
- (MetadataQuery.experimental_hint ~dbd
- (currentProof#proof#proof,currentProof#proof#goal))
- in
- let u = console#choose_uri l in
- Tactics.apply (CicUtil.term_of_uri u)
- | TacticAst.Change (what, with_what, _) ->
- let what = self#disambiguate what in
- let with_what = self#disambiguate with_what in
- Tactics.change ~what ~with_what
- (*
- (* TODO Zack a lot more of tactics to be implemented here ... *)
- | TacticAst.Change_pattern of 'term pattern * 'term * 'ident option
- | TacticAst.Change of 'term * 'term * 'ident option
- | TacticAst.Decompose of 'ident * 'ident list
- | TacticAst.Discriminate of 'ident
- | TacticAst.Fold of reduction_kind * 'term
- | TacticAst.Injection of 'ident
- | TacticAst.LetIn of 'term * 'ident
- | TacticAst.Reduce of reduction_kind * 'term pattern * 'ident option
- | TacticAst.Replace_pattern of 'term pattern * 'term
- | TacticAst.Rewrite of direction * 'term * 'ident option
- *)
- | _ -> MatitaTypes.not_implemented "some tactic"
-
- method evalTactical = function
- | TacticAst.LocatedTactical (_, tactical) -> self#evalTactical tactical
- | TacticAst.Command TacticAst.Abort ->
- currentProof#abort ();
- New_state Command
- | TacticAst.Command (TacticAst.Undo steps) ->
- currentProof#proof#undo ?steps ();
- New_state Proof
- | TacticAst.Command (TacticAst.Redo steps) ->
- currentProof#proof#redo ?steps ();
- New_state Proof
- | TacticAst.Command (TacticAst.Qed None) ->
- if not (currentProof#onGoing ()) then assert false;
- let proof = currentProof#proof in
- let (uri, metasenv, bo, ty) = proof#proof in
- let uri = MatitaTypes.unopt_uri uri in
- let suri = UriManager.string_of_uri uri in
- (* TODO Zack this function probably should not simply fail with
- * Failure, but rather raise some more meaningful exception *)
- if metasenv <> [] then failwith "Proof not completed";
- let proved_ty,ugraph =
- CicTypeChecker.type_of_aux' [] [] bo CicUniv.empty_ugraph
- in
- let b,ugraph =
- CicReduction.are_convertible [] proved_ty ty ugraph
- in
- if not b then failwith "Wrong proof";
- add_constant_to_world ~console ~dbd ~uri ~body:bo ~ty ~ugraph ();
- currentProof#abort ();
- console#echo_message (sprintf "%s defined" suri);
- self#setLastItem (Some (`Qed uri));
- New_state Command
- | TacticAst.Seq tacticals ->
- (* TODO ZACK check for proof completed at each step? *)
- (* TODO ZACK code completely broken here: we must build logic level
- * tacticals instead of iterating interpreter evaluation *)
- if (List.length tacticals > 1) then
- warning "tacticals are broken: see matitaInterpreter.ml";
- List.iter (fun t -> ignore (self#evalTactical t)) tacticals;
- self#setLastItem (Some `Tactic);
- New_state Proof
- | TacticAst.Tactic tactic_phrase ->
- let tactic = self#lookup_tactic tactic_phrase in
- currentProof#proof#apply_tactic tactic;
- self#setLastItem (Some `Tactic);
- New_state Proof
- | tactical -> shared#evalTactical tactical
- end
-
-class interpreter ~(console: #MatitaTypes.console) ?mathViewer () =
- let commandState = new commandState ~console ?mathViewer () in
- let proofState = new proofState ~console ?mathViewer () in
- object (self)
- val mutable state = commandState
-
- method setState (tag: [`Proof | `Command]) =
- match tag with
- | `Proof -> (state <- proofState)
- | `Command -> (state <- commandState)
-
- method endOffset = state#endOffset
-
- method private updateState = function
- | New_state Command -> (state <- commandState)
- | New_state Proof -> (state <- proofState)
- | _ -> ()
-
- method private eval f =
- let ok () = (* console#clear (); *) (true, true) in
- match console#wrap_exn f with
- | Some (New_state Command) -> (state <- commandState); ok ()
- | Some (New_state Proof) -> (state <- proofState); ok ()
- | Some (Echo msg) -> console#echo_message msg; (true, false)
- | Some Quiet -> ok ()
- | None -> (false, false)
-
- method evalPhrase s = self#eval (fun () -> state#evalPhrase s)
- method evalAst ast = self#eval (fun () -> state#evalAst ast)
-
- (** {2 methods delegated to current state} *)
-
- method endOffset = state#endOffset
- method lastItem = state#lastItem
- method setEvalAstCallback = state#setEvalAstCallback
- end
-
-let interpreter ~(console: #MatitaTypes.console) ?mathViewer () =
- new interpreter ~console ?mathViewer ()
-