X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2FmatitaInterpreter.ml;h=e578a3eb039a44612b163b0f422b216c258ebbc3;hb=7e9904185ceff75884783dbf0bad506b8521b857;hp=c9d5a71612d7e1893c11b033307b518d54759eec;hpb=7fa9e7d3dc6f62aa3ec0b21375c43f4b512fb5f2;p=helm.git diff --git a/helm/matita/matitaInterpreter.ml b/helm/matita/matitaInterpreter.ml index c9d5a7161..e578a3eb0 100644 --- a/helm/matita/matitaInterpreter.ml +++ b/helm/matita/matitaInterpreter.ml @@ -47,7 +47,7 @@ let uri name = *) let baseuri = lazy (ref ("cic:/matita/" ^ Helm_registry.get "matita.owner")) -let basedir = ref ((Unix.getpwuid (Unix.getuid ())).Unix.pw_dir) ;; +let basedir = lazy (ref (Helm_registry.get "matita.basedir")) let qualify name = let baseuri = !(Lazy.force baseuri) in @@ -60,85 +60,57 @@ let split_obj = function | Cic.Variable (name, body, ty, _, attrs) -> (name, body, ty, attrs) | _ -> assert false -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 (currentProof:MatitaTypes.currentProof) = - if currentProof#onGoing () then - let proof = currentProof#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) ~currentProof ast = - if currentProof#onGoing () then begin - let proof = currentProof#proof in - let metasenv = proof#metasenv in - let goal = proof#goal in - let context = canonical_context goal metasenv in - let (_, metasenv, term,ugraph) 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: MatitaTypes.console) -> + 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 CicTextualParser2.parse_tactical s with + match disambiguator#parserr#parseTactical 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 -> 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 = - debug_print (sprintf "evaluating '%s'" s); - self#evalTactical (self#parsePhrase (Stream.of_string s)) + self#_evalTactical (self#parsePhrase (Stream.of_string s)) - method evalAst ast = self#evalTactical ast + 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 - ~(disambiguator: MatitaTypes.disambiguator) - ~(currentProof: MatitaTypes.currentProof) - ~(console: MatitaTypes.console) + ~(console: #MatitaTypes.console) ?(mathViewer: MatitaTypes.mathViewer option) - ~(dbd: Mysql.dbd) () = object (self) @@ -159,17 +131,20 @@ class sharedState !(Lazy.force baseuri)); Quiet | TacticAst.Command (TacticAst.Basedir (Some path)) -> - basedir := 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\"" !basedir); + console#echo_message (sprintf "base dir is \"%s\"" + !(Lazy.force basedir)); Quiet | TacticAst.Command (TacticAst.Check term) -> - let (_, _, term,ugraph) = - disambiguate ~disambiguator ~currentProof term + let (_, metasenv, term,ugraph) = + MatitaCicMisc.disambiguate ~disambiguator ~currentProof term in - let (context, metasenv) = get_context_and_metasenv currentProof in + let (context, _) = + MatitaCicMisc.get_context_and_metasenv currentProof + in (* this is the Eval Compute let term = CicReduction.whd context term in *) @@ -179,10 +154,9 @@ class sharedState in (* TASSI: here ugraph1 is unused.... FIXME *) let expr = Cic.Cast (term, ty) in - let sequent = (dummyno, context, expr) in (match mathViewer with - | None -> () - | Some v -> v#checkTerm sequent metasenv); + | Some v -> v#checkTerm (`Cic (expr, metasenv)) + | _ -> ()); Quiet | TacticAst.Command (TacticAst.Search_pat (search_kind, pat)) -> let uris = @@ -283,14 +257,26 @@ let inddef_of_ast params indTypes (disambiguator:MatitaTypes.disambiguator) = let cicIndTypes = List.rev cicIndTypes in (UriManager.uri_of_string uri, (cicIndTypes, [], paramsno)) -let - save_object_to_disk uri obj -= +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 @@ -300,45 +286,41 @@ let 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" in - let innertypespath = !basedir ^ "/" ^ innertypesfilename in - let xmlfilename = Str.replace_first (Str.regexp "^cic:") "" - (UriManager.string_of_uri uri) ^ ".xml" in - let xmlpath = !basedir ^ "/" ^ xmlfilename in - let xmlbodyfilename = Str.replace_first (Str.regexp "^cic:") "" - (UriManager.string_of_uri uri) ^ ".body.xml" in - let xmlbodypath = !basedir ^ "/" ^ xmlbodyfilename in - let path_scheme_of path = "file:/" ^ path in - + (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 *) - Xml.pp ~quiet:true xmlinnertypes (Some innertypespath) ; - Xml.pp ~quiet:true xml (Some xmlpath) ; - + 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-> - Xml.pp ~quiet:true bodyxml (Some xmlbodypath) ; + 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 object to disk in xml format - * - register uri to the getter + (* TODO ZACK a lot more to be done here: * - save universe file *) -let add_constant_to_world ~(console:MatitaTypes.console) +let add_constant_to_world ~(console: #MatitaTypes.console) ~dbd ~uri ?body ~ty ?(params = []) ?(attrs = []) ~ugraph () = let suri = UriManager.string_of_uri uri in @@ -349,13 +331,12 @@ let add_constant_to_world ~(console:MatitaTypes.console) 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 - ~owner:(Helm_registry.get "matita.owner") ~uri ~body ~ty; + 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) +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 @@ -366,8 +347,7 @@ let add_inductive_def_to_world ~(console:MatitaTypes.console) 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 - ~owner:(Helm_registry.get "matita.owner") ~uri ~types:indTypes; + 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 = @@ -389,17 +369,8 @@ let add_inductive_def_to_world ~(console:MatitaTypes.console) end (** Implements phrases that should be accepted only in Command state *) -class commandState - ~(disambiguator: MatitaTypes.disambiguator) - ~(currentProof: MatitaTypes.currentProof) - ~(console: MatitaTypes.console) - ?mathViewer - ~(dbd: Mysql.dbd) - () -= - let shared = - new sharedState ~disambiguator ~currentProof ~console ?mathViewer ~dbd () - in +class commandState ~(console: #MatitaTypes.console) ?mathViewer () = + let shared = new sharedState ~console ?mathViewer () in object (self) inherit interpreterState ~console @@ -412,6 +383,7 @@ class commandState 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)) -> @@ -431,6 +403,7 @@ class commandState 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)) -> @@ -444,6 +417,7 @@ class commandState 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 (); @@ -503,8 +477,7 @@ class commandState UriManager.uri_of_string (base ^ xp) | Cic.Appl (he::_) -> uri_of_term he | t -> - prerr_endline ("Fallisco a estrarre la uri di " ^ - (CicPp.ppterm 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 @@ -548,67 +521,72 @@ let namer_of names = (** Implements phrases that should be accepted only in Proof state, basically * tacticals *) -class proofState - ~(disambiguator: MatitaTypes.disambiguator) - ~(currentProof: MatitaTypes.currentProof) - ~(console: MatitaTypes.console) - ?mathViewer - ~(dbd: Mysql.dbd) - () -= - let disambiguate ast = - let (_, _, term, _) = disambiguate ~disambiguator ~currentProof ast in - term - in - (** tactic AST -> ProofEngineTypes.tactic *) - let rec lookup_tactic = function - | 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 -> 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) -> - Tactics.replace ~what:(disambiguate what) - ~with_what:(disambiguate with_what) - | TacticAst.Auto -> Tactics.auto_new ~dbd - (* - (* TODO Zack a lot more of tactics to be implemented here ... *) - | 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.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" - in - let shared = - new sharedState ~disambiguator ~currentProof ~console ?mathViewer ~dbd () - in +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 -> @@ -638,38 +616,36 @@ class proofState if not b then failwith "Wrong proof"; add_constant_to_world ~console ~dbd ~uri ~body:bo ~ty ~ugraph (); currentProof#abort (); - (match mathViewer with None -> () | Some v -> v#unload ()); 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 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 = lookup_tactic tactic_phrase in + 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 - ~(disambiguator: MatitaTypes.disambiguator) - ~(currentProof: MatitaTypes.currentProof) - ~(console: MatitaTypes.console) - ?mathViewer - ~(dbd: Mysql.dbd) - () -= - let commandState = - new commandState ~disambiguator ~currentProof ~console ?mathViewer ~dbd () - in - let proofState = - new proofState ~disambiguator ~currentProof ~console ?mathViewer ~dbd () - in +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 reset = state <- commandState + method setState (tag: [`Proof | `Command]) = + match tag with + | `Proof -> (state <- proofState) + | `Command -> (state <- commandState) method endOffset = state#endOffset @@ -689,5 +665,14 @@ class interpreter 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 () +