*)
open Printf
+
open MatitaTypes
exception Drop;;
| GrafiteAst.Transitivity (_, term) -> Tactics.transitivity term
let singleton = function
- | [x] -> x
+ | [x], _ -> x
| _ -> assert false
let disambiguate_term status_ref term =
let status = !status_ref in
- let (aliases, metasenv, cic, _) =
+ let (diff, metasenv, cic, _) =
singleton
(MatitaDisambiguator.disambiguate_term ~dbd:(MatitaDb.instance ())
- ~aliases:(status.aliases) ~context:(MatitaMisc.get_proof_context status)
+ ~aliases:status.aliases ~universe:(Some status.multi_aliases)
+ ~context:(MatitaMisc.get_proof_context status)
~metasenv:(MatitaMisc.get_proof_metasenv status) term)
in
let status = MatitaTypes.set_metasenv metasenv status in
- let status = MatitaSync.set_proof_aliases status aliases in
+ let status = MatitaSync.set_proof_aliases status diff in
status_ref := status;
cic
let disambiguate_lazy_term status_ref term =
(fun context metasenv ugraph ->
let status = !status_ref in
- let (aliases, metasenv, cic, ugraph) =
+ let (diff, metasenv, cic, ugraph) =
singleton
(MatitaDisambiguator.disambiguate_term ~dbd:(MatitaDb.instance ())
- ~initial_ugraph:ugraph ~aliases:status.aliases ~context ~metasenv
- term)
+ ~initial_ugraph:ugraph ~aliases:status.aliases
+ ~universe:(Some status.multi_aliases) ~context ~metasenv term)
in
let status = MatitaTypes.set_metasenv metasenv status in
- let status = MatitaSync.set_proof_aliases status aliases in
+ let status = MatitaSync.set_proof_aliases status diff in
status_ref := status;
cic, metasenv, ugraph)
let disambiguate_pattern status_ref (wanted, hyp_paths, goal_path) =
- let interp path =
- Disambiguate.interpretate_path [] !status_ref.aliases path
- in
+ let interp path = Disambiguate.interpretate_path [] path in
let goal_path = interp goal_path in
let hyp_paths = List.map (fun (name, path) -> name, interp path) hyp_paths in
let wanted =
in
status_ref, tactic
+let reorder_metasenv start refine tactic goals current_goal always_opens_a_goal=
+ let module PEH = ProofEngineHelpers 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
+ metas_for_refine_goals @ metas_for_tactic_head @
+ metas_for_tactic_goals
+ 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
+ let print_m name metasenv =
+ prerr_endline (">>>>> " ^ name);
+ prerr_endline (CicMetaSubst.ppmetasenv metasenv [])
+ in
+ 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 "after" after;
+ FINE DEBUG CODE *)
+ before @ produced_metas @ after, goals
+
+(* 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.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 apply_tactic tactic status =
+ let starting_metasenv = MatitaMisc.get_proof_metasenv status in
let status_ref, tactic = disambiguate_tactic status tactic in
+ let metasenv_after_refinement = MatitaMisc.get_proof_metasenv !status_ref in
let proof_status = MatitaMisc.get_proof_status !status_ref in
+ let needs_reordering, always_opens_a_goal = classify_tactic tactic in
let tactic = tactic_of_ast tactic in
(* apply tactic will change the status pointed by status_ref ... *)
+ let current_goal = let _, g = proof_status in g in
let (proof, goals) = ProofEngineTypes.apply_tactic tactic proof_status in
+ let proof, goals =
+ if needs_reordering then
+ let uri, metasenv_after_tactic, t, ty = proof in
+ let reordered_metasenv, goals =
+ reorder_metasenv starting_metasenv metasenv_after_refinement
+ metasenv_after_tactic goals current_goal always_opens_a_goal in
+ (uri, reordered_metasenv, t, ty), goals
+ else
+ proof, goals
+ in
let dummy = -1 in
{ !status_ref with
proof_status = MatitaTypes.Incomplete_proof (proof,dummy) },
let set_goals (status,_) goals = status,goals
let id_tac status =
- apply_tactic (GrafiteAst.IdTac Disambiguate.dummy_floc) status
+ apply_tactic (GrafiteAst.IdTac DisambiguateTypes.dummy_floc) status
let mk_tactic tac = tac
(* also adds them to the Db *)
CoercGraph.close_coercion_graph src_uri tgt_uri coer_uri in
let status =
- List.fold_left (fun s (uri,o,ugraph) -> MatitaSync.add_obj uri o status)
+ List.fold_left (fun s (uri,o,_) -> MatitaSync.add_obj uri o status)
status new_coercions in
let statement_of name =
- GrafiteAstPp.pp_statement
- (GrafiteAst.Executable (Disambiguate.dummy_floc,
- (GrafiteAst.Command (Disambiguate.dummy_floc,
- (GrafiteAst.Coercion (Disambiguate.dummy_floc,
- (CicNotationPt.Ident (name, None)))))))) ^ "\n"
+ GrafiteAst.Coercion (DisambiguateTypes.dummy_floc,
+ (CicNotationPt.Ident (name, None)))
in
- let moo_content_rev =
- [statement_of (UriManager.name_of_uri coer_uri)] @
+ let moo_content =
+ statement_of (UriManager.name_of_uri coer_uri) ::
(List.map
(fun (uri, _, _) ->
statement_of (UriManager.name_of_uri uri))
- new_coercions) @ status.moo_content_rev
+ new_coercions)
in
- let status = {status with moo_content_rev = moo_content_rev} in
- {status with proof_status = No_proof}
+ let status = add_moo_content moo_content status in
+ { status with proof_status = No_proof }
let generate_elimination_principles uri status =
- let elim sort status =
- try
- let uri,obj = CicElim.elim_of ~sort uri 0 in
- MatitaSync.add_obj uri obj status
- with CicElim.Can_t_eliminate -> status
- in
- List.fold_left (fun status sort -> elim sort status) status
- [ Cic.Prop; Cic.Set; (Cic.Type (CicUniv.fresh ())) ]
+ let status' = ref status in
+ let elim sort =
+ try
+ let uri,obj = CicElim.elim_of ~sort uri 0 in
+ status' := MatitaSync.add_obj uri obj !status'
+ with CicElim.Can_t_eliminate -> ()
+ in
+ try
+ List.iter elim [ Cic.Prop; Cic.Set; (Cic.Type (CicUniv.fresh ())) ];
+ !status'
+ with exn ->
+ MatitaSync.time_travel ~present:!status' ~past:status;
+ raise exn
let generate_projections uri fields status =
let projections = CicRecord.projections_of uri fields in
) status projections
(* to avoid a long list of recursive functions *)
-let eval_from_stream_ref = ref (fun _ _ _ -> assert false);;
+let eval_from_moo_ref = ref (fun _ _ _ -> assert false);;
let disambiguate_obj status obj =
let uri =
Some (UriManager.uri_of_string (MatitaMisc.qualify status name ^ ".ind"))
| GrafiteAst.Inductive _ -> assert false
| GrafiteAst.Theorem _ -> None in
- let (aliases, metasenv, cic, _) =
- match
- MatitaDisambiguator.disambiguate_obj ~dbd:(MatitaDb.instance ())
- ~aliases:(status.aliases) ~uri obj
- with
- | [x] -> x
- | _ -> assert false
+ let (diff, metasenv, cic, _) =
+ singleton
+ (MatitaDisambiguator.disambiguate_obj ~dbd:(MatitaDb.instance ())
+ ~aliases:status.aliases ~universe:(Some status.multi_aliases) ~uri obj)
in
let proof_status =
match status.proof_status with
| Intermediate _ -> assert false
in
let status = { status with proof_status = proof_status } in
- let status = MatitaSync.set_proof_aliases status aliases in
+ let status = MatitaSync.set_proof_aliases status diff in
status, cic
let disambiguate_command status = function
match cmd with
| GrafiteAst.Default (loc, what, uris) as cmd ->
LibraryObjects.set_default what uris;
- {status with moo_content_rev =
- (GrafiteAstPp.pp_command cmd ^ "\n") :: status.moo_content_rev}
+ add_moo_content [cmd] status
| GrafiteAst.Include (loc, path) ->
let absolute_path = make_absolute opts.include_paths path in
let moopath = MatitaMisc.obj_file_of_script absolute_path in
- let ic =
- try open_in moopath with Sys_error _ ->
- raise (IncludedFileNotCompiled moopath) in
- let stream = Stream.of_channel ic in
let status = ref status in
- !eval_from_stream_ref status stream (fun _ _ -> ());
- close_in ic;
- !status
+ if not (Sys.file_exists moopath) then
+ raise (IncludedFileNotCompiled moopath);
+ !eval_from_moo_ref status moopath (fun _ _ -> ());
+ !status
| GrafiteAst.Set (loc, name, value) ->
let value =
if name = "baseuri" then
set_option status name value
| GrafiteAst.Drop loc -> raise Drop
| GrafiteAst.Qed loc ->
- let uri, metasenv, bo, ty =
+ let uri, metasenv, bo, ty =
match status.proof_status with
| Proof (Some uri, metasenv, body, ty) ->
uri, metasenv, body, ty
let name = UriManager.name_of_uri uri in
let obj = Cic.Constant (name,Some bo,ty,[],[]) in
MatitaSync.add_obj uri obj status
- | GrafiteAst.Coercion (loc, coercion) ->
- eval_coercion status coercion
+ | GrafiteAst.Coercion (loc, coercion) -> eval_coercion status coercion
| GrafiteAst.Alias (loc, spec) ->
- let aliases =
+ let diff =
(*CSC: Warning: this code should be factorized with the corresponding
code in DisambiguatePp *)
match spec with
| GrafiteAst.Ident_alias (id,uri) ->
- DisambiguateTypes.Environment.add
- (DisambiguateTypes.Id id)
- (uri,(fun _ _ _-> CicUtil.term_of_uri (UriManager.uri_of_string uri)))
- status.aliases
+ [DisambiguateTypes.Id id,
+ (uri,(fun _ _ _-> CicUtil.term_of_uri(UriManager.uri_of_string uri)))]
| GrafiteAst.Symbol_alias (symb, instance, desc) ->
- DisambiguateTypes.Environment.add
- (DisambiguateTypes.Symbol (symb,instance))
- (DisambiguateChoices.lookup_symbol_by_dsc symb desc)
- status.aliases
+ [DisambiguateTypes.Symbol (symb,instance),
+ DisambiguateChoices.lookup_symbol_by_dsc symb desc]
| GrafiteAst.Number_alias (instance,desc) ->
- DisambiguateTypes.Environment.add
- (DisambiguateTypes.Num instance)
- (DisambiguateChoices.lookup_num_by_dsc desc) status.aliases
+ [DisambiguateTypes.Num instance,
+ DisambiguateChoices.lookup_num_by_dsc desc]
in
- MatitaSync.set_proof_aliases status aliases
+ MatitaSync.set_proof_aliases status diff
| GrafiteAst.Render _ -> assert false (* ZACK: to be removed *)
| GrafiteAst.Dump _ -> assert false (* ZACK: to be removed *)
- | GrafiteAst.Interpretation _
- | GrafiteAst.Notation _ as stm ->
- { status with moo_content_rev =
- (GrafiteAstPp.pp_command stm ^ "\n") :: status.moo_content_rev }
+ | GrafiteAst.Interpretation (_, dsc, (symbol, _), _) as stm ->
+ let status' = add_moo_content [stm] status in
+ let diff =
+ [DisambiguateTypes.Symbol (symbol, 0),
+ DisambiguateChoices.lookup_symbol_by_dsc symbol dsc]
+ in
+ MatitaSync.set_proof_aliases status' diff
+ | GrafiteAst.Notation _ as stm -> add_moo_content [stm] status
| GrafiteAst.Obj (loc,obj) ->
let ext,name =
match obj with
if metasenv <> [] then
command_error (
"metasenv not empty while giving a definition with body: " ^
- CicMetaSubst.ppmetasenv metasenv []);
- let status = MatitaSync.add_obj uri obj status in
- match obj with
- Cic.Constant _ -> status
+ CicMetaSubst.ppmetasenv [] metasenv);
+ let status' = ref status in
+ (try
+ status' := MatitaSync.add_obj uri obj !status';
+ (match obj with
+ | Cic.Constant _ -> ()
| Cic.InductiveDefinition (_,_,_,attrs) ->
- let status = generate_elimination_principles uri status in
- let rec get_record_attrs =
- function
- [] -> None
- | (`Class (`Record fields))::_ -> Some fields
- | _::tl -> get_record_attrs tl
- in
+ status' := generate_elimination_principles uri !status';
+ let rec get_record_attrs =
+ function
+ | [] -> None
+ | (`Class (`Record fields))::_ -> Some fields
+ | _::tl -> get_record_attrs tl
+ in
(match get_record_attrs attrs with
- None -> status (* not a record *)
- | Some fields -> generate_projections uri fields status)
+ | None -> () (* not a record *)
+ | Some fields ->
+ status' := generate_projections uri fields !status')
| Cic.CurrentProof _
- | Cic.Variable _ -> assert false
+ | Cic.Variable _ -> assert false);
+ !status'
+ with exn ->
+ MatitaSync.time_travel ~present:!status' ~past:status;
+ raise exn)
let eval_executable opts status ex =
match ex with
| GrafiteAst.Executable (_,ex) -> eval_executable opts status ex
| GrafiteAst.Comment (_,c) -> eval_comment status c
+let eval_from_moo ?do_heavy_checks ?include_paths ?clean_baseuri status fname
+ cb
+=
+ let moo = MatitaMoo.load_moo fname in
+ List.iter
+ (fun ast ->
+ let ast =
+ GrafiteAst.Executable (DisambiguateTypes.dummy_floc,
+ GrafiteAst.Command (DisambiguateTypes.dummy_floc,
+ (GrafiteAst.reash_cmd_uris ast)))
+ in
+ cb !status ast;
+ status :=
+ eval_ast ?do_heavy_checks ?include_paths ?clean_baseuri !status ast)
+ moo
+
let eval_from_stream
?do_heavy_checks ?include_paths ?clean_baseuri status str cb
=
while true do
let ast = GrafiteParser.parse_statement str in
cb !status ast;
- status := eval_ast ?do_heavy_checks ?include_paths ?clean_baseuri !status ast
+ status :=
+ eval_ast ?do_heavy_checks ?include_paths ?clean_baseuri !status ast
done
with End_of_file -> ()
(* to avoid a long list of recursive functions *)
-let _ = eval_from_stream_ref := eval_from_stream
+let _ = eval_from_moo_ref := eval_from_moo
let eval_from_stream_greedy
?do_heavy_checks ?include_paths ?clean_baseuri status str cb
let eval_string ?do_heavy_checks ?include_paths ?clean_baseuri status str =
eval_from_stream
- ?do_heavy_checks ?include_paths ?clean_baseuri status (Stream.of_string str) (fun _ _ ->())
+ ?do_heavy_checks ?include_paths ?clean_baseuri status
+ (Ulexing.from_utf8_string str) (fun _ _ ->())
let default_options () =
(*
let initial_status =
lazy {
- aliases = DisambiguateTypes.empty_environment;
+ aliases = DisambiguateTypes.Environment.empty;
+ multi_aliases = DisambiguateTypes.Environment.empty;
moo_content_rev = [];
proof_status = No_proof;
options = default_options ();