--- /dev/null
+(* Copyright (C) 2005, 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/
+ *)
+
+(* $Id$ *)
+
+open Printf
+
+exception Drop
+exception IncludedFileNotCompiled of string (* file name *)
+exception Macro of
+ GrafiteAst.loc *
+ (Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro)
+exception ReadOnlyUri of string
+
+type options = {
+ do_heavy_checks: bool ;
+ clean_baseuri: bool
+}
+
+(** 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
+
+let tactic_of_ast ast =
+ let module PET = ProofEngineTypes in
+ match ast with
+ | GrafiteAst.Absurd (_, term) -> Tactics.absurd term
+ | GrafiteAst.Apply (_, term) -> Tactics.apply term
+ | GrafiteAst.Assumption _ -> Tactics.assumption
+ | GrafiteAst.Auto (_,depth,width,paramodulation,full) ->
+ AutoTactic.auto_tac ?depth ?width ?paramodulation ?full
+ ~dbd:(LibraryDb.instance ()) ()
+ | GrafiteAst.Change (_, pattern, with_what) ->
+ Tactics.change ~pattern with_what
+ | GrafiteAst.Clear (_,id) -> Tactics.clear id
+ | GrafiteAst.ClearBody (_,id) -> Tactics.clearbody id
+ | GrafiteAst.Contradiction _ -> Tactics.contradiction
+ | GrafiteAst.Compare (_, term) -> Tactics.compare term
+ | GrafiteAst.Constructor (_, n) -> Tactics.constructor n
+ | GrafiteAst.Cut (_, ident, term) ->
+ let names = match ident with None -> [] | Some id -> [id] in
+ Tactics.cut ~mk_fresh_name_callback:(namer_of names) term
+ | GrafiteAst.DecideEquality _ -> Tactics.decide_equality
+ | GrafiteAst.Decompose (_, types, what, names) ->
+ let to_type = function
+ | GrafiteAst.Type (uri, typeno) -> uri, typeno
+ | GrafiteAst.Ident _ -> assert false
+ in
+ let user_types = List.rev_map to_type types in
+ let dbd = LibraryDb.instance () in
+ let mk_fresh_name_callback = namer_of names in
+ Tactics.decompose ~mk_fresh_name_callback ~dbd ~user_types what
+ | GrafiteAst.Discriminate (_,term) -> Tactics.discriminate term
+ | GrafiteAst.Elim (_, what, using, depth, names) ->
+ Tactics.elim_intros ?using ?depth ~mk_fresh_name_callback:(namer_of names)
+ what
+ | GrafiteAst.ElimType (_, what, using, depth, names) ->
+ Tactics.elim_type ?using ?depth ~mk_fresh_name_callback:(namer_of names)
+ what
+ | GrafiteAst.Exact (_, term) -> Tactics.exact term
+ | GrafiteAst.Exists _ -> Tactics.exists
+ | GrafiteAst.Fail _ -> Tactics.fail
+ | GrafiteAst.Fold (_, reduction_kind, term, pattern) ->
+ let reduction =
+ match reduction_kind with
+ | `Normalize ->
+ PET.const_lazy_reduction
+ (CicReduction.normalize ~delta:false ~subst:[])
+ | `Reduce -> PET.const_lazy_reduction ProofEngineReduction.reduce
+ | `Simpl -> PET.const_lazy_reduction ProofEngineReduction.simpl
+ | `Unfold None ->
+ PET.const_lazy_reduction (ProofEngineReduction.unfold ?what:None)
+ | `Unfold (Some lazy_term) ->
+ (fun context metasenv ugraph ->
+ let what, metasenv, ugraph = lazy_term context metasenv ugraph in
+ ProofEngineReduction.unfold ~what, metasenv, ugraph)
+ | `Whd ->
+ PET.const_lazy_reduction (CicReduction.whd ~delta:false ~subst:[])
+ in
+ Tactics.fold ~reduction ~term ~pattern
+ | GrafiteAst.Fourier _ -> Tactics.fourier
+ | GrafiteAst.FwdSimpl (_, hyp, names) ->
+ Tactics.fwd_simpl ~mk_fresh_name_callback:(namer_of names)
+ ~dbd:(LibraryDb.instance ()) hyp
+ | GrafiteAst.Generalize (_,pattern,ident) ->
+ let names = match ident with None -> [] | Some id -> [id] in
+ Tactics.generalize ~mk_fresh_name_callback:(namer_of names) pattern
+ | GrafiteAst.Goal (_, n) -> Tactics.set_goal n
+ | GrafiteAst.IdTac _ -> Tactics.id
+ | GrafiteAst.Injection (_,term) -> Tactics.injection term
+ | GrafiteAst.Intros (_, None, names) ->
+ PrimitiveTactics.intros_tac ~mk_fresh_name_callback:(namer_of names) ()
+ | GrafiteAst.Intros (_, Some num, names) ->
+ PrimitiveTactics.intros_tac ~howmany:num
+ ~mk_fresh_name_callback:(namer_of names) ()
+ | GrafiteAst.Inversion (_, term) ->
+ Tactics.inversion term
+ | GrafiteAst.LApply (_, how_many, to_what, what, ident) ->
+ let names = match ident with None -> [] | Some id -> [id] in
+ Tactics.lapply ~mk_fresh_name_callback:(namer_of names) ?how_many
+ ~to_what what
+ | GrafiteAst.Left _ -> Tactics.left
+ | GrafiteAst.LetIn (loc,term,name) ->
+ Tactics.letin term ~mk_fresh_name_callback:(namer_of [name])
+ | GrafiteAst.Reduce (_, reduction_kind, pattern) ->
+ (match reduction_kind with
+ | `Normalize -> Tactics.normalize ~pattern
+ | `Reduce -> Tactics.reduce ~pattern
+ | `Simpl -> Tactics.simpl ~pattern
+ | `Unfold what -> Tactics.unfold ~pattern what
+ | `Whd -> Tactics.whd ~pattern)
+ | GrafiteAst.Reflexivity _ -> Tactics.reflexivity
+ | GrafiteAst.Replace (_, pattern, with_what) ->
+ Tactics.replace ~pattern ~with_what
+ | GrafiteAst.Rewrite (_, direction, t, pattern) ->
+ EqualityTactics.rewrite_tac ~direction ~pattern t
+ | GrafiteAst.Right _ -> Tactics.right
+ | GrafiteAst.Ring _ -> Tactics.ring
+ | GrafiteAst.Split _ -> Tactics.split
+ | GrafiteAst.Symmetry _ -> Tactics.symmetry
+ | GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
+
+(* maybe we only need special cases for apply and goal *)
+let classify_tactic tactic =
+ match tactic with
+ (* tactics that can't close the goal (return a goal we want to "select") *)
+ | GrafiteAst.Rewrite _
+ | GrafiteAst.Split _
+ | GrafiteAst.Replace _
+ | GrafiteAst.Reduce _
+ | GrafiteAst.Injection _
+ | GrafiteAst.IdTac _
+ | GrafiteAst.Generalize _
+ | GrafiteAst.Elim _
+ | GrafiteAst.Cut _
+ | GrafiteAst.Decompose _ -> true, true
+ (* tactics we don't want to reorder goals. I think only Goal needs this. *)
+ | GrafiteAst.Goal _ -> false, true
+ (* tactics like apply *)
+ | _ -> true, false
+
+let reorder_metasenv start refine tactic goals current_goal always_opens_a_goal=
+ let module PEH = ProofEngineHelpers in
+(* let print_m name metasenv =
+ prerr_endline (">>>>> " ^ name);
+ prerr_endline (CicMetaSubst.ppmetasenv [] metasenv)
+ in *)
+ (* phase one calculates:
+ * new_goals_from_refine: goals added by refine
+ * head_goal: the first goal opened by ythe tactic
+ * other_goals: other goals opened by the tactic
+ *)
+ let new_goals_from_refine = PEH.compare_metasenvs start refine in
+ let new_goals_from_tactic = PEH.compare_metasenvs refine tactic in
+ let head_goal, other_goals, goals =
+ match goals with
+ | [] -> None,[],goals
+ | hd::tl ->
+ (* assert (List.mem hd new_goals_from_tactic);
+ * invalidato dalla goal_tac
+ * *)
+ Some hd, List.filter ((<>) hd) new_goals_from_tactic, List.filter ((<>)
+ hd) goals
+ in
+ let produced_goals =
+ match head_goal with
+ | None -> new_goals_from_refine @ other_goals
+ | Some x -> x :: new_goals_from_refine @ other_goals
+ in
+ (* extract the metas generated by refine and tactic *)
+ let metas_for_tactic_head =
+ match head_goal with
+ | None -> []
+ | Some head_goal -> List.filter (fun (n,_,_) -> n = head_goal) tactic in
+ let metas_for_tactic_goals =
+ List.map
+ (fun x -> List.find (fun (metano,_,_) -> metano = x) tactic)
+ goals
+ in
+ let metas_for_refine_goals =
+ List.filter (fun (n,_,_) -> List.mem n new_goals_from_refine) tactic in
+ let produced_metas, goals =
+ let produced_metas =
+ if always_opens_a_goal then
+ metas_for_tactic_head @ metas_for_refine_goals @
+ metas_for_tactic_goals
+ else begin
+(* print_m "metas_for_refine_goals" metas_for_refine_goals;
+ print_m "metas_for_tactic_head" metas_for_tactic_head;
+ print_m "metas_for_tactic_goals" metas_for_tactic_goals; *)
+ metas_for_refine_goals @ metas_for_tactic_head @
+ metas_for_tactic_goals
+ end
+ in
+ let goals = List.map (fun (metano, _, _) -> metano) produced_metas in
+ produced_metas, goals
+ in
+ (* residual metas, preserving the original order *)
+ let before, after =
+ let rec split e =
+ function
+ | [] -> [],[]
+ | (metano, _, _) :: tl when metano = e ->
+ [], List.map (fun (x,_,_) -> x) tl
+ | (metano, _, _) :: tl -> let b, a = split e tl in metano :: b, a
+ in
+ let find n metasenv =
+ try
+ Some (List.find (fun (metano, _, _) -> metano = n) metasenv)
+ with Not_found -> None
+ in
+ let extract l =
+ List.fold_right
+ (fun n acc ->
+ match find n tactic with
+ | Some x -> x::acc
+ | None -> acc
+ ) l [] in
+ let before_l, after_l = split current_goal start in
+ let before_l =
+ List.filter (fun x -> not (List.mem x produced_goals)) before_l in
+ let after_l =
+ List.filter (fun x -> not (List.mem x produced_goals)) after_l in
+ let before = extract before_l in
+ let after = extract after_l in
+ before, after
+ in
+(* |+ DEBUG CODE +|
+ print_m "BEGIN" start;
+ prerr_endline ("goal was: " ^ string_of_int current_goal);
+ prerr_endline ("and metas from refine are:");
+ List.iter
+ (fun t -> prerr_string (" " ^ string_of_int t))
+ new_goals_from_refine;
+ prerr_endline "";
+ print_m "before" before;
+ print_m "metas_for_tactic_head" metas_for_tactic_head;
+ print_m "metas_for_refine_goals" metas_for_refine_goals;
+ print_m "metas_for_tactic_goals" metas_for_tactic_goals;
+ print_m "produced_metas" produced_metas;
+ print_m "after" after;
+|+ FINE DEBUG CODE +| *)
+ before @ produced_metas @ after, goals
+
+let apply_tactic ~disambiguate_tactic tactic (status, goal) =
+(* prerr_endline "apply_tactic"; *)
+(* prerr_endline (Continuationals.Stack.pp (GrafiteTypes.get_stack status)); *)
+ let starting_metasenv = GrafiteTypes.get_proof_metasenv status in
+ let before = List.map (fun g, _, _ -> g) starting_metasenv in
+(* prerr_endline "disambiguate"; *)
+ let status, tactic = disambiguate_tactic status goal tactic in
+ let metasenv_after_refinement = GrafiteTypes.get_proof_metasenv status in
+ let proof = GrafiteTypes.get_current_proof status in
+ let proof_status = proof, goal in
+ let needs_reordering, always_opens_a_goal = classify_tactic tactic in
+ let tactic = tactic_of_ast tactic in
+ (* apply tactic will change the lexicon_status ... *)
+(* prerr_endline "apply_tactic bassa"; *)
+ let (proof, opened) = ProofEngineTypes.apply_tactic tactic proof_status in
+ let after = ProofEngineTypes.goals_of_proof proof in
+ let opened_goals, closed_goals = Tacticals.goals_diff ~before ~after ~opened in
+(* prerr_endline("before: " ^ String.concat ", " (List.map string_of_int before));
+prerr_endline("after: " ^ String.concat ", " (List.map string_of_int after));
+prerr_endline("opened: " ^ String.concat ", " (List.map string_of_int opened)); *)
+(* prerr_endline("opened_goals: " ^ String.concat ", " (List.map string_of_int opened_goals));
+prerr_endline("closed_goals: " ^ String.concat ", " (List.map string_of_int closed_goals)); *)
+ let proof, opened_goals =
+ if needs_reordering then begin
+ let uri, metasenv_after_tactic, t, ty = proof in
+(* prerr_endline ("goal prima del riordino: " ^ String.concat " " (List.map string_of_int (ProofEngineTypes.goals_of_proof proof))); *)
+ let reordered_metasenv, opened_goals =
+ reorder_metasenv
+ starting_metasenv
+ metasenv_after_refinement metasenv_after_tactic
+ opened goal always_opens_a_goal
+ in
+ let proof' = uri, reordered_metasenv, t, ty in
+(* prerr_endline ("goal dopo il riordino: " ^ String.concat " " (List.map string_of_int (ProofEngineTypes.goals_of_proof proof'))); *)
+ proof', opened_goals
+ end
+ else
+ proof, opened_goals
+ in
+ let incomplete_proof =
+ match status.GrafiteTypes.proof_status with
+ | GrafiteTypes.Incomplete_proof p -> p
+ | _ -> assert false
+ in
+ { status with GrafiteTypes.proof_status =
+ GrafiteTypes.Incomplete_proof
+ { incomplete_proof with GrafiteTypes.proof = proof } },
+ opened_goals, closed_goals
+
+type eval_ast =
+ {ea_go:
+ 'term 'lazy_term 'reduction 'obj 'ident.
+ disambiguate_tactic:
+ (GrafiteTypes.status ->
+ ProofEngineTypes.goal ->
+ ('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic ->
+ GrafiteTypes.status *
+ (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
+
+ disambiguate_command:
+ (GrafiteTypes.status ->
+ 'obj GrafiteAst.command ->
+ GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
+
+ disambiguate_macro:
+ (GrafiteTypes.status ->
+ 'term GrafiteAst.macro ->
+ Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
+
+ ?do_heavy_checks:bool ->
+ ?clean_baseuri:bool ->
+ GrafiteTypes.status ->
+ ('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.statement ->
+ GrafiteTypes.status * UriManager.uri list
+ }
+
+type 'a eval_command =
+ {ec_go: 'term 'obj.
+ disambiguate_command:
+ (GrafiteTypes.status ->
+ 'obj GrafiteAst.command ->
+ GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
+ options -> GrafiteTypes.status -> 'obj GrafiteAst.command ->
+ GrafiteTypes.status * UriManager.uri list
+ }
+
+type 'a eval_executable =
+ {ee_go: 'term 'lazy_term 'reduction 'obj 'ident.
+ disambiguate_tactic:
+ (GrafiteTypes.status ->
+ ProofEngineTypes.goal ->
+ ('term, 'lazy_term, 'reduction, 'ident) GrafiteAst.tactic ->
+ GrafiteTypes.status *
+ (Cic.term, Cic.lazy_term, Cic.lazy_term GrafiteAst.reduction, string) GrafiteAst.tactic) ->
+
+ disambiguate_command:
+ (GrafiteTypes.status ->
+ 'obj GrafiteAst.command ->
+ GrafiteTypes.status * Cic.obj GrafiteAst.command) ->
+
+ disambiguate_macro:
+ (GrafiteTypes.status ->
+ 'term GrafiteAst.macro ->
+ Cic.context -> GrafiteTypes.status * Cic.term GrafiteAst.macro) ->
+
+ options ->
+ GrafiteTypes.status ->
+ ('term, 'lazy_term, 'reduction, 'obj, 'ident) GrafiteAst.code ->
+ GrafiteTypes.status * UriManager.uri list
+ }
+
+type 'a eval_from_moo =
+ { efm_go: GrafiteTypes.status -> string -> GrafiteTypes.status }
+
+let coercion_moo_statement_of uri =
+ GrafiteAst.Coercion (HExtlib.dummy_floc, uri, false)
+
+let eval_coercion status ~add_composites uri =
+ let basedir = Helm_registry.get "matita.basedir" in
+ let status,compounds =
+ GrafiteSync.add_coercion ~basedir ~add_composites status uri in
+ let moo_content = coercion_moo_statement_of uri in
+ let status = GrafiteTypes.add_moo_content [moo_content] status in
+ {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
+ compounds
+
+let eval_tactical ~disambiguate_tactic status tac =
+ let apply_tactic = apply_tactic ~disambiguate_tactic in
+ let module MatitaStatus =
+ struct
+ type input_status = GrafiteTypes.status * ProofEngineTypes.goal
+
+ type output_status =
+ GrafiteTypes.status * ProofEngineTypes.goal list * ProofEngineTypes.goal list
+
+ type tactic = input_status -> output_status
+
+ let id_tactic = apply_tactic (GrafiteAst.IdTac HExtlib.dummy_floc)
+ let mk_tactic tac = tac
+ let apply_tactic tac = tac
+ let goals (_, opened, closed) = opened, closed
+ let set_goals (opened, closed) (status, _, _) = (status, opened, closed)
+ let get_stack (status, _) = GrafiteTypes.get_stack status
+
+ let set_stack stack (status, opened, closed) =
+ GrafiteTypes.set_stack stack status, opened, closed
+
+ let inject (status, _) = (status, [], [])
+ let focus goal (status, _, _) = (status, goal)
+ end
+ in
+ let module MatitaTacticals = Tacticals.Make (MatitaStatus) in
+ let rec tactical_of_ast l tac =
+ match tac with
+ | GrafiteAst.Tactic (loc, tactic) ->
+ MatitaTacticals.tactic (MatitaStatus.mk_tactic (apply_tactic tactic))
+ | GrafiteAst.Seq (loc, tacticals) -> (* tac1; tac2; ... *)
+ assert (l > 0);
+ MatitaTacticals.seq ~tactics:(List.map (tactical_of_ast (l+1)) tacticals)
+ | GrafiteAst.Do (loc, n, tactical) ->
+ MatitaTacticals.do_tactic ~n ~tactic:(tactical_of_ast (l+1) tactical)
+ | GrafiteAst.Repeat (loc, tactical) ->
+ MatitaTacticals.repeat_tactic ~tactic:(tactical_of_ast (l+1) tactical)
+ | GrafiteAst.Then (loc, tactical, tacticals) -> (* tac; [ tac1 | ... ] *)
+ assert (l > 0);
+ MatitaTacticals.thens ~start:(tactical_of_ast (l+1) tactical)
+ ~continuations:(List.map (tactical_of_ast (l+1)) tacticals)
+ | GrafiteAst.First (loc, tacticals) ->
+ MatitaTacticals.first
+ ~tactics:(List.map (fun t -> "", tactical_of_ast (l+1) t) tacticals)
+ | GrafiteAst.Try (loc, tactical) ->
+ MatitaTacticals.try_tactic ~tactic:(tactical_of_ast (l+1) tactical)
+ | GrafiteAst.Solve (loc, tacticals) ->
+ MatitaTacticals.solve_tactics
+ ~tactics:(List.map (fun t -> "", tactical_of_ast (l+1) t) tacticals)
+
+ | GrafiteAst.Skip loc -> MatitaTacticals.skip
+ | GrafiteAst.Dot loc -> MatitaTacticals.dot
+ | GrafiteAst.Semicolon loc -> MatitaTacticals.semicolon
+ | GrafiteAst.Branch loc -> MatitaTacticals.branch
+ | GrafiteAst.Shift loc -> MatitaTacticals.shift
+ | GrafiteAst.Pos (loc, i) -> MatitaTacticals.pos i
+ | GrafiteAst.Merge loc -> MatitaTacticals.merge
+ | GrafiteAst.Focus (loc, goals) -> MatitaTacticals.focus goals
+ | GrafiteAst.Unfocus loc -> MatitaTacticals.unfocus
+ in
+ let status, _, _ = tactical_of_ast 0 tac (status, ~-1) in
+ let status = (* is proof completed? *)
+ match status.GrafiteTypes.proof_status with
+ | GrafiteTypes.Incomplete_proof
+ { GrafiteTypes.stack = stack; proof = proof }
+ when Continuationals.Stack.is_empty stack ->
+ { status with GrafiteTypes.proof_status = GrafiteTypes.Proof proof }
+ | _ -> status
+ in
+ status
+
+let eval_comment status c = status
+
+(* since the record syntax allows to declare coercions, we have to put this
+ * information inside the moo *)
+let add_coercions_of_record_to_moo obj lemmas status =
+ let attributes = CicUtil.attributes_of_obj obj in
+ let is_record = function `Class (`Record att) -> Some att | _-> None in
+ match HExtlib.list_findopt is_record attributes with
+ | None -> status,[]
+ | Some fields ->
+ let is_a_coercion uri =
+ try
+ let obj,_ =
+ CicEnvironment.get_cooked_obj CicUniv.empty_ugraph uri in
+ let attrs = CicUtil.attributes_of_obj obj in
+ List.mem (`Class `Projection) attrs
+ with Not_found -> assert false
+ in
+ (* looking at the fields we can know the 'wanted' coercions, but not the
+ * actually generated ones. So, only the intersection between the wanted
+ * and the actual should be in the moo as coercion, while everithing in
+ * lemmas should go as aliases *)
+ let wanted_coercions =
+ HExtlib.filter_map
+ (function
+ | (name,true) ->
+ Some
+ (UriManager.uri_of_string
+ (GrafiteTypes.qualify status name ^ ".con"))
+ | _ -> None)
+ fields
+ in
+ prerr_endline "wanted coercions:";
+ List.iter
+ (fun u -> prerr_endline (UriManager.string_of_uri u))
+ wanted_coercions;
+ let coercions, moo_content =
+ List.split
+ (HExtlib.filter_map
+ (fun uri ->
+ let is_a_wanted_coercion =
+ List.exists (UriManager.eq uri) wanted_coercions in
+ if is_a_coercion uri && is_a_wanted_coercion then
+ Some (uri, coercion_moo_statement_of uri)
+ else
+ None)
+ lemmas)
+ in
+ List.iter
+ (fun u -> prerr_endline (UriManager.string_of_uri u))
+ coercions;
+ let status = GrafiteTypes.add_moo_content moo_content status in
+ let basedir = Helm_registry.get "matita.basedir" in
+ List.fold_left
+ (fun (status,lemmas) uri ->
+ let status,new_lemmas =
+ GrafiteSync.add_coercion ~basedir ~add_composites:true status uri
+ in
+ status,new_lemmas@lemmas
+ ) (status,[]) coercions
+
+let add_obj uri obj status =
+ let basedir = Helm_registry.get "matita.basedir" in
+ let status,lemmas = GrafiteSync.add_obj ~basedir uri obj status in
+ status, lemmas
+
+let rec eval_command = {ec_go = fun ~disambiguate_command opts status cmd ->
+ let status,cmd = disambiguate_command status cmd in
+ let basedir = Helm_registry.get "matita.basedir" in
+ let status,uris =
+ match cmd with
+ | GrafiteAst.Default (loc, what, uris) as cmd ->
+ LibraryObjects.set_default what uris;
+ GrafiteTypes.add_moo_content [cmd] status,[]
+ | GrafiteAst.Include (loc, baseuri) ->
+ let moopath = LibraryMisc.obj_file_of_baseuri ~basedir ~baseuri in
+ if not (Sys.file_exists moopath) then
+ raise (IncludedFileNotCompiled moopath);
+ let status = eval_from_moo.efm_go status moopath in
+ status,[]
+ | GrafiteAst.Set (loc, name, value) ->
+ if name = "baseuri" then begin
+ let value =
+ let v = Http_getter_misc.strip_trailing_slash value in
+ try
+ ignore (String.index v ' ');
+ GrafiteTypes.command_error "baseuri can't contain spaces"
+ with Not_found -> v
+ in
+ if Http_getter_storage.is_read_only value then begin
+ HLog.error (sprintf "uri %s belongs to a read-only repository" value);
+ raise (ReadOnlyUri value)
+ end;
+ if not (GrafiteMisc.is_empty value) && opts.clean_baseuri then begin
+ HLog.message ("baseuri " ^ value ^ " is not empty");
+ HLog.message ("cleaning baseuri " ^ value);
+ LibraryClean.clean_baseuris ~basedir [value];
+ end;
+ end;
+ GrafiteTypes.set_option status name value,[]
+ | GrafiteAst.Drop loc -> raise Drop
+ | GrafiteAst.Qed loc ->
+ let uri, metasenv, bo, ty =
+ match status.GrafiteTypes.proof_status with
+ | GrafiteTypes.Proof (Some uri, metasenv, body, ty) ->
+ uri, metasenv, body, ty
+ | GrafiteTypes.Proof (None, metasenv, body, ty) ->
+ raise (GrafiteTypes.Command_error
+ ("Someone allows to start a theorem without giving the "^
+ "name/uri. This should be fixed!"))
+ | _->
+ raise
+ (GrafiteTypes.Command_error "You can't Qed an incomplete theorem")
+ in
+ if metasenv <> [] then
+ raise
+ (GrafiteTypes.Command_error
+ "Proof not completed! metasenv is not empty!");
+ let name = UriManager.name_of_uri uri in
+ let obj = Cic.Constant (name,Some bo,ty,[],[]) in
+ let status, lemmas = add_obj uri obj status in
+ {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
+ uri::lemmas
+ | GrafiteAst.Coercion (loc, uri, add_composites) ->
+ eval_coercion status ~add_composites uri
+ | GrafiteAst.Obj (loc,obj) ->
+ let ext,name =
+ match obj with
+ Cic.Constant (name,_,_,_,_)
+ | Cic.CurrentProof (name,_,_,_,_,_) -> ".con",name
+ | Cic.InductiveDefinition (types,_,_,_) ->
+ ".ind",
+ (match types with (name,_,_,_)::_ -> name | _ -> assert false)
+ | _ -> assert false in
+ let uri =
+ UriManager.uri_of_string (GrafiteTypes.qualify status name ^ ext)
+ in
+ let metasenv = GrafiteTypes.get_proof_metasenv status in
+ match obj with
+ | Cic.CurrentProof (_,metasenv',bo,ty,_,_) ->
+ let name = UriManager.name_of_uri uri in
+ if not(CicPp.check name ty) then
+ HLog.error ("Bad name: " ^ name);
+ if opts.do_heavy_checks then
+ begin
+ let dbd = LibraryDb.instance () in
+ let similar = Whelp.match_term ~dbd ty in
+ let similar_len = List.length similar in
+ if similar_len> 30 then
+ (HLog.message
+ ("Duplicate check will compare your theorem with " ^
+ string_of_int similar_len ^
+ " theorems, this may take a while."));
+ let convertible =
+ List.filter (
+ fun u ->
+ let t = CicUtil.term_of_uri u in
+ let ty',g =
+ CicTypeChecker.type_of_aux'
+ metasenv' [] t CicUniv.empty_ugraph
+ in
+ fst(CicReduction.are_convertible [] ty' ty g))
+ similar
+ in
+ (match convertible with
+ | [] -> ()
+ | x::_ ->
+ HLog.warn
+ ("Theorem already proved: " ^ UriManager.string_of_uri x ^
+ "\nPlease use a variant."));
+ end;
+ assert (metasenv = metasenv');
+ let initial_proof = (Some uri, metasenv, bo, ty) in
+ let initial_stack = Continuationals.Stack.of_metasenv metasenv in
+ { status with GrafiteTypes.proof_status =
+ GrafiteTypes.Incomplete_proof
+ { GrafiteTypes.proof = initial_proof; stack = initial_stack } },
+ []
+ | _ ->
+ if metasenv <> [] then
+ raise (GrafiteTypes.Command_error (
+ "metasenv not empty while giving a definition with body: " ^
+ CicMetaSubst.ppmetasenv [] metasenv));
+ let status, lemmas = add_obj uri obj status in
+ let status,new_lemmas =
+ add_coercions_of_record_to_moo obj lemmas status
+ in
+ {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},
+ uri::new_lemmas@lemmas
+ in
+ match status.GrafiteTypes.proof_status with
+ GrafiteTypes.Intermediate _ ->
+ {status with GrafiteTypes.proof_status = GrafiteTypes.No_proof},uris
+ | _ -> status,uris
+
+} and eval_executable = {ee_go = fun ~disambiguate_tactic ~disambiguate_command ~disambiguate_macro opts status ex ->
+ match ex with
+ | GrafiteAst.Tactical (_, tac, None) ->
+ eval_tactical ~disambiguate_tactic status tac,[]
+ | GrafiteAst.Tactical (_, tac, Some punct) ->
+ let status = eval_tactical ~disambiguate_tactic status tac in
+ eval_tactical ~disambiguate_tactic status punct,[]
+ | GrafiteAst.Command (_, cmd) ->
+ eval_command.ec_go ~disambiguate_command opts status cmd
+ | GrafiteAst.Macro (loc, macro) ->
+ raise (Macro (loc,disambiguate_macro status macro))
+
+} and eval_from_moo = {efm_go = fun status fname ->
+ let ast_of_cmd cmd =
+ GrafiteAst.Executable (HExtlib.dummy_floc,
+ GrafiteAst.Command (HExtlib.dummy_floc,
+ cmd))
+ in
+ let moo = GrafiteMarshal.load_moo fname in
+ List.fold_left
+ (fun status ast ->
+ let ast = ast_of_cmd ast in
+ let status,lemmas =
+ eval_ast.ea_go
+ ~disambiguate_tactic:(fun status _ tactic -> status,tactic)
+ ~disambiguate_command:(fun status cmd -> status,cmd)
+ ~disambiguate_macro:(fun _ _ -> assert false)
+ status ast
+ in
+ assert (lemmas=[]);
+ status)
+ status moo
+} and eval_ast = {ea_go = fun ~disambiguate_tactic ~disambiguate_command ~disambiguate_macro ?(do_heavy_checks=false) ?(clean_baseuri=true) status st
+->
+ let opts = {
+ do_heavy_checks = do_heavy_checks ;
+ clean_baseuri = clean_baseuri }
+ in
+ match st with
+ | GrafiteAst.Executable (_,ex) ->
+ eval_executable.ee_go ~disambiguate_tactic ~disambiguate_command
+ ~disambiguate_macro opts status ex
+ | GrafiteAst.Comment (_,c) -> eval_comment status c,[]
+}
+
+let eval_ast = eval_ast.ea_go