(*****************************************************************************)
-let cleanup_tmp = true;;
+(* ************************************************************************** *
+ CicEnvironment SETTINGS (trust and clean_tmp)
+ * ************************************************************************** *)
+let cleanup_tmp = true;;
let trust = ref (fun _ -> true);;
let set_trust f = trust := f
let trust_obj uri = !trust uri
+
+(* ************************************************************************** *
+ TYPES
+ * ************************************************************************** *)
+
type type_checked_obj =
CheckedObj of (Cic.obj * CicUniv.universe_graph) (* cooked obj *)
| UncheckedObj of Cic.obj (* uncooked obj to proof-check *)
;;
-
exception AlreadyCooked of string;;
exception CircularDependency of string;;
exception CouldNotFreeze of string;;
exception CouldNotUnfreeze of string;;
exception Term_not_found of UriManager.uri;;
+
+(* ************************************************************************** *
+ HERE STARTS THE CACHE MODULE
+ * ************************************************************************** *)
+
(* Cache that uses == instead of = for testing equality *)
(* Invariant: an object is always in at most one of the *)
(* following states: unchecked, frozen and cooked. *)
module Cache :
sig
- val find_or_add_unchecked :
+ val find_or_add_to_unchecked :
UriManager.uri ->
- get_object_to_add:(unit -> Cic.obj * CicUniv.universe_graph option) ->
+ get_object_to_add:
+ (UriManager.uri -> Cic.obj * CicUniv.universe_graph option) ->
Cic.obj * CicUniv.universe_graph
val can_be_cooked:
UriManager.uri -> bool
key:UriManager.uri -> Cic.obj * CicUniv.universe_graph
val add_cooked :
key:UriManager.uri -> (Cic.obj * CicUniv.universe_graph) -> unit
- val not_jet_cooked:
- UriManager.uri -> Cic.obj * CicUniv.universe_graph
val remove: UriManager.uri -> unit
-
val dump_to_channel : ?callback:(string -> unit) -> out_channel -> unit
val restore_from_channel : ?callback:(string -> unit) -> in_channel -> unit
val empty : unit -> unit
val is_in_frozen: UriManager.uri -> bool
val is_in_unchecked: UriManager.uri -> bool
+ val is_in_cooked: UriManager.uri -> bool
end
=
struct
(*************************************************************************
TASSI: invariant
- The CacheOfCookedObjects will contain only objects with a valid universe
- graph. valid means that non None (used if there is no universe file
+ The cacheOfCookedObjects will contain only objects with a valid universe
+ graph. valid means that not None (used if there is no universe file
in the universe generation phase).
**************************************************************************)
- module CacheOfCookedObjects :
- sig
- val mem : UriManager.uri -> bool
- val find : UriManager.uri -> Cic.obj * CicUniv.universe_graph
- val add : UriManager.uri -> (Cic.obj * CicUniv.universe_graph) -> unit
- val remove : UriManager.uri -> unit
-
- (** (de)serialization of type checker cache *)
- val dump_to_channel : ?callback:(string -> unit) -> out_channel -> unit
- val restore_from_channel : ?callback:(string -> unit) -> in_channel -> unit
- val empty : unit -> unit
- end
- =
+
+ (* DATA: the data structure that implements the CACHE *)
+ module HashedType =
struct
- module HashedType =
- struct
- type t = UriManager.uri
- let equal = UriManager.eq
- let hash = Hashtbl.hash
- end
- ;;
- module HT = Hashtbl.Make(HashedType);;
- let hashtable = HT.create 1009;;
- let mem uri =
- try
- HT.mem hashtable uri
- with
- Not_found -> false
- ;;
- let find uri = HT.find hashtable uri ;;
- let add uri (obj,ugraph) =
- HT.add hashtable uri (obj,ugraph)
- ;;
- let remove uri =
- if mem uri then
- HT.remove hashtable uri
- else
- raise (Term_not_found uri);
- ;;
+ type t = UriManager.uri
+ let equal = UriManager.eq
+ let hash = Hashtbl.hash
+ end
+ ;;
+
+ module HT = Hashtbl.Make(HashedType);;
+ let cacheOfCookedObjects = HT.create 1009;;
+
+ (* DATA: The parking lists
+ * the lists elements are (uri * (obj * universe_graph option))
+ * ( u, ( o, None )) means that the object has no universes file, this
+ * should happen only in the universe generation phase.
+ * FIXME: if the universe generation is integrated in the library
+ * exportation phase, the 'option' MUST be removed.
+ * ( u, ( o, Some g)) means that the object has a universes file,
+ * the usual case.
+ *)
+
+ (* frozen is used to detect circular dependency. *)
+ let frozen_list = ref [];;
+ (* unchecked is used to store objects just fetched, nothing more. *)
+ let unchecked_list = ref [];;
+
+ (* FIXED: should be ok even if not touched *)
(* used to hash cons uris on restore to grant URI structure unicity *)
- let restore_uris =
- let module C = Cic in
- let recons uri =
- UriManager.uri_of_string (UriManager.string_of_uri uri)
- in
- let rec restore_in_term =
- function
- (C.Rel _) as t -> t
- | C.Var (uri,exp_named_subst) ->
- let uri' = recons uri in
- let exp_named_subst' =
- List.map
- (function (uri,t) ->(recons uri,restore_in_term t))
- exp_named_subst
- in
- C.Var (uri',exp_named_subst')
- | C.Meta (i,l) ->
- let l' =
- List.map
- (function
- None -> None
- | Some t -> Some (restore_in_term t)
- ) l
- in
- C.Meta(i,l')
- | C.Sort _ as t -> t
- | C.Implicit _ as t -> t
- | C.Cast (te,ty) -> C.Cast (restore_in_term te, restore_in_term ty)
- | C.Prod (n,s,t) -> C.Prod (n, restore_in_term s, restore_in_term t)
- | C.Lambda (n,s,t) -> C.Lambda (n, restore_in_term s, restore_in_term t)
- | C.LetIn (n,s,t) -> C.LetIn (n, restore_in_term s, restore_in_term t)
- | C.Appl l -> C.Appl (List.map restore_in_term l)
- | C.Const (uri,exp_named_subst) ->
- let uri' = recons uri in
- let exp_named_subst' =
- List.map
- (function (uri,t) -> (recons uri,restore_in_term t)) exp_named_subst
- in
- C.Const (uri',exp_named_subst')
- | C.MutInd (uri,tyno,exp_named_subst) ->
- let uri' = recons uri in
- let exp_named_subst' =
- List.map
- (function (uri,t) -> (recons uri,restore_in_term t)) exp_named_subst
- in
- C.MutInd (uri',tyno,exp_named_subst')
- | C.MutConstruct (uri,tyno,consno,exp_named_subst) ->
- let uri' = recons uri in
- let exp_named_subst' =
- List.map
- (function (uri,t) -> (recons uri,restore_in_term t)) exp_named_subst
- in
- C.MutConstruct (uri',tyno,consno,exp_named_subst')
- | C.MutCase (uri,i,outty,t,pl) ->
- C.MutCase (recons uri, i, restore_in_term outty, restore_in_term t,
- List.map restore_in_term pl)
- | C.Fix (i, fl) ->
- let len = List.length fl in
- let liftedfl =
- List.map
- (fun (name, i, ty, bo) ->
- (name, i, restore_in_term ty, restore_in_term bo))
- fl
- in
- C.Fix (i, liftedfl)
- | C.CoFix (i, fl) ->
- let len = List.length fl in
- let liftedfl =
- List.map
- (fun (name, ty, bo) -> (name, restore_in_term ty, restore_in_term bo))
- fl
- in
- C.CoFix (i, liftedfl)
- in
- function
- C.Constant (name,bo,ty,params) ->
- let bo' =
- match bo with
- None -> None
- | Some bo -> Some (restore_in_term bo)
+ let restore_uris =
+ let module C = Cic in
+ let recons uri =
+ UriManager.uri_of_string (UriManager.string_of_uri uri)
+ in
+ let rec restore_in_term =
+ function
+ (C.Rel _) as t -> t
+ | C.Var (uri,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) ->(recons uri,restore_in_term t))
+ exp_named_subst
+ in
+ C.Var (uri',exp_named_subst')
+ | C.Meta (i,l) ->
+ let l' =
+ List.map
+ (function
+ None -> None
+ | Some t -> Some (restore_in_term t)
+ ) l
in
- let ty' = restore_in_term ty in
- let params' = List.map recons params in
- C.Constant (name, bo', ty', params')
- | C.CurrentProof (name,conjs,bo,ty,params) ->
- let conjs' =
- List.map
- (function (i,hyps,ty) ->
- (i,
- List.map (function
- None -> None
- | Some (name,C.Decl t) ->
- Some (name,C.Decl (restore_in_term t))
- | Some (name,C.Def (bo,ty)) ->
- let ty' =
- match ty with
- None -> None
- | Some ty'' -> Some (restore_in_term ty'')
- in
- Some (name,C.Def (restore_in_term bo, ty'))) hyps,
- restore_in_term ty))
- conjs
+ C.Meta(i,l')
+ | C.Sort _ as t -> t
+ | C.Implicit _ as t -> t
+ | C.Cast (te,ty) -> C.Cast (restore_in_term te, restore_in_term ty)
+ | C.Prod (n,s,t) -> C.Prod (n, restore_in_term s, restore_in_term t)
+ | C.Lambda (n,s,t) -> C.Lambda (n, restore_in_term s, restore_in_term t)
+ | C.LetIn (n,s,t) -> C.LetIn (n, restore_in_term s, restore_in_term t)
+ | C.Appl l -> C.Appl (List.map restore_in_term l)
+ | C.Const (uri,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) -> (recons uri,restore_in_term t)) exp_named_subst
in
- let bo' = restore_in_term bo in
- let ty' = restore_in_term ty in
- let params' = List.map recons params in
- C.CurrentProof (name, conjs', bo', ty', params')
- | C.Variable (name,bo,ty,params) ->
- let bo' =
- match bo with
- None -> None
- | Some bo -> Some (restore_in_term bo)
+ C.Const (uri',exp_named_subst')
+ | C.MutInd (uri,tyno,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) -> (recons uri,restore_in_term t)) exp_named_subst
in
- let ty' = restore_in_term ty in
- let params' = List.map recons params in
- C.Variable (name, bo', ty', params')
- | C.InductiveDefinition (tl,params,paramsno) ->
- let params' = List.map recons params in
- let tl' =
- List.map (function (name, inductive, ty, constructors) ->
- name,
- inductive,
- restore_in_term ty,
- (List.map
- (function (name, ty) -> name, restore_in_term ty)
- constructors))
- tl
+ C.MutInd (uri',tyno,exp_named_subst')
+ | C.MutConstruct (uri,tyno,consno,exp_named_subst) ->
+ let uri' = recons uri in
+ let exp_named_subst' =
+ List.map
+ (function (uri,t) -> (recons uri,restore_in_term t)) exp_named_subst
in
- C.InductiveDefinition (tl', params', paramsno)
-
- let dump_to_channel ?(callback = ignore) oc =
- HT.iter (fun uri _ -> callback (UriManager.string_of_uri uri)) hashtable;
- Marshal.to_channel oc hashtable [] ;;
- let empty () = HT.clear hashtable ;;
- let restore_from_channel ?(callback = ignore) ic =
- let restored = Marshal.from_channel ic in
- empty ();
- HT.iter
- (fun k v ->
- callback (UriManager.string_of_uri k);
- HT.add hashtable
- (UriManager.uri_of_string (UriManager.string_of_uri k))
-
-(************************************************
- TASSI: FIXME add channel stuff for universes
-*************************************************)
-
- ((restore_uris v),CicUniv.empty_ugraph))
- restored
- ;;
+ C.MutConstruct (uri',tyno,consno,exp_named_subst')
+ | C.MutCase (uri,i,outty,t,pl) ->
+ C.MutCase (recons uri, i, restore_in_term outty, restore_in_term t,
+ List.map restore_in_term pl)
+ | C.Fix (i, fl) ->
+ let len = List.length fl in
+ let liftedfl =
+ List.map
+ (fun (name, i, ty, bo) ->
+ (name, i, restore_in_term ty, restore_in_term bo))
+ fl
+ in
+ C.Fix (i, liftedfl)
+ | C.CoFix (i, fl) ->
+ let len = List.length fl in
+ let liftedfl =
+ List.map
+ (fun (name, ty, bo) -> (name, restore_in_term ty, restore_in_term bo))
+ fl
+ in
+ C.CoFix (i, liftedfl)
+ in
+ function
+ C.Constant (name,bo,ty,params) ->
+ let bo' =
+ match bo with
+ None -> None
+ | Some bo -> Some (restore_in_term bo)
+ in
+ let ty' = restore_in_term ty in
+ let params' = List.map recons params in
+ C.Constant (name, bo', ty', params')
+ | C.CurrentProof (name,conjs,bo,ty,params) ->
+ let conjs' =
+ List.map
+ (function (i,hyps,ty) ->
+ (i,
+ List.map (function
+ None -> None
+ | Some (name,C.Decl t) ->
+ Some (name,C.Decl (restore_in_term t))
+ | Some (name,C.Def (bo,ty)) ->
+ let ty' =
+ match ty with
+ None -> None
+ | Some ty'' -> Some (restore_in_term ty'')
+ in
+ Some (name,C.Def (restore_in_term bo, ty'))) hyps,
+ restore_in_term ty))
+ conjs
+ in
+ let bo' = restore_in_term bo in
+ let ty' = restore_in_term ty in
+ let params' = List.map recons params in
+ C.CurrentProof (name, conjs', bo', ty', params')
+ | C.Variable (name,bo,ty,params) ->
+ let bo' =
+ match bo with
+ None -> None
+ | Some bo -> Some (restore_in_term bo)
+ in
+ let ty' = restore_in_term ty in
+ let params' = List.map recons params in
+ C.Variable (name, bo', ty', params')
+ | C.InductiveDefinition (tl,params,paramsno) ->
+ let params' = List.map recons params in
+ let tl' =
+ List.map (function (name, inductive, ty, constructors) ->
+ name,
+ inductive,
+ restore_in_term ty,
+ (List.map
+ (function (name, ty) -> name, restore_in_term ty)
+ constructors))
+ tl
+ in
+ C.InductiveDefinition (tl', params', paramsno)
+ ;;
- end
- ;;
- let frozen_list = ref [];;
- let unchecked_list = ref [];;
+ let empty () =
+ HT.clear cacheOfCookedObjects;
+ unchecked_list := [] ;
+ frozen_list := []
+ ;;
- let is_in_frozen uri =
- List.mem_assoc uri !frozen_list
- ;;
-
- let is_in_unchecked uri =
- List.mem_assoc uri !unchecked_list
- ;;
- (*******************************************************************
- TASSI: invariant
- we need, in the universe generation phase, to traverse objects
- that are not jet committed, so we search them in the frozen list.
- Only uncommitted objects without a universe file (see the assertion)
- can be searched with method
- *******************************************************************)
- let not_jet_cooked uri =
- try
- let o,u = List.assoc uri !frozen_list in
- match u with
- None -> o, CicUniv.empty_ugraph
- | Some _ -> assert false (* only univ_maker ca use this *)
- with Not_found ->
- CacheOfCookedObjects.find uri
- ;;
- let find_or_add_unchecked uri ~get_object_to_add =
+ (* FIX: universe stuff?? *)
+ let dump_to_channel ?(callback = ignore) oc =
+ HT.iter (fun uri _ -> callback (UriManager.string_of_uri uri))
+ cacheOfCookedObjects;
+ Marshal.to_channel oc cacheOfCookedObjects []
+ ;;
+
+ (* FIX: universes stuff?? *)
+ let restore_from_channel ?(callback = ignore) ic =
+ let restored = Marshal.from_channel ic in
+ (* FIXME: should this empty clean the frozen and unchecked?
+ * if not, the only-one-empty-end-not-3 patch is wrong
+ *)
+ empty ();
+ HT.iter
+ (fun k v ->
+ callback (UriManager.string_of_uri k);
+ HT.add cacheOfCookedObjects
+ (UriManager.uri_of_string (UriManager.string_of_uri k))
+ (***********************************************
+ TSSI: FIXME add channel stuff for universes
+ ************************************************)
+ ((restore_uris v),CicUniv.empty_ugraph))
+ restored
+ ;;
+
+
+ let is_in_frozen uri =
+ List.mem_assoc uri !frozen_list
+ ;;
+
+ let is_in_unchecked uri =
+ List.mem_assoc uri !unchecked_list
+ ;;
+
+ let is_in_cooked uri =
+ HT.mem cacheOfCookedObjects uri
+ ;;
+
+
+ (*******************************************************************
+ TASSI: invariant
+ we need, in the universe generation phase, to traverse objects
+ that are not jet committed, so we search them in the frozen list.
+ Only uncommitted objects without a universe file (see the assertion)
+ can be searched with method
+ *******************************************************************)
+
+ let find_or_add_to_unchecked uri ~get_object_to_add =
try
let o,g = List.assq uri !unchecked_list in
- match g with
- None -> o,CicUniv.empty_ugraph
- | Some g' -> o,g'
+ match g with
+ (* FIXME: we accept both cases, as at the end of this function
+ * maybe the None universe outside the cache module should be
+ * avoided elsewhere.
+ *
+ * another thing that should be removed if univ generation phase
+ * and lib exportation are unified.
+ *)
+ None -> o,CicUniv.empty_ugraph
+ | Some g' -> o,g'
with
- Not_found ->
- if List.mem_assq uri !frozen_list then
- begin
- print_endline "\nCircularDependency!\nfrozen list: \n";
- List.iter (
- fun (u,(_,o)) ->
- let su = UriManager.string_of_uri u in
- let univ = if o = None then "NO_UNIV" else "" in
- print_endline (su^" "^univ))
- !frozen_list;
- raise (CircularDependency (UriManager.string_of_uri uri))
- end
- else
- if CacheOfCookedObjects.mem uri then
+ Not_found ->
+ if List.mem_assq uri !frozen_list then
+ (* CIRCULAR DEPENDENCY DETECTED, print the error and raise *)
+ begin
+ print_endline "\nCircularDependency!\nfrozen list: \n";
+ List.iter (
+ fun (u,(_,o)) ->
+ let su = UriManager.string_of_uri u in
+ let univ = if o = None then "NO_UNIV" else "" in
+ print_endline (su^" "^univ))
+ !frozen_list;
+ raise (CircularDependency (UriManager.string_of_uri uri))
+ end
+ else
+ if HT.mem cacheOfCookedObjects uri then
+ (* DOUBLE COOK DETECTED, raise the exception *)
raise (AlreadyCooked (UriManager.string_of_uri uri))
- else
+ else
(* OK, it is not already frozen nor cooked *)
- let obj,ugraph = get_object_to_add () in
- let ugraph_real =
- match ugraph with
- None -> CicUniv.empty_ugraph
- | Some g -> g
- in
- unchecked_list := (uri,(obj,ugraph))::!unchecked_list ;
- obj,ugraph_real
- ;;
- let unchecked_to_frozen uri =
- try
- let obj,ugraph = List.assq uri !unchecked_list in
- unchecked_list := List.remove_assq uri !unchecked_list ;
- frozen_list := (uri,(obj,ugraph))::!frozen_list
- with
- Not_found -> raise (CouldNotFreeze (UriManager.string_of_uri uri))
- ;;
+ let obj,ugraph = get_object_to_add uri in
+ let ugraph_real =
+ match ugraph with
+ (* FIXME: not sure it is OK*)
+ None -> CicUniv.empty_ugraph
+ | Some g -> g
+ in
+ unchecked_list := (uri,(obj,ugraph))::!unchecked_list ;
+ obj,ugraph_real
+ ;;
+
+ let unchecked_to_frozen uri =
+ try
+ let obj,ugraph = List.assq uri !unchecked_list in
+ unchecked_list := List.remove_assq uri !unchecked_list ;
+ frozen_list := (uri,(obj,ugraph))::!frozen_list
+ with
+ Not_found -> raise (CouldNotFreeze (UriManager.string_of_uri uri))
+ ;;
+
+
(************************************************************
TASSI: invariant
only object with a valid universe graph can be committed
+
+ this should disappear if the universe generation phase and the
+ library exportation are unified.
*************************************************************)
let frozen_to_cooked ~uri =
try
let obj,ugraph = List.assq uri !frozen_list in
match ugraph with
None ->
- assert false (* only non dummy universes can be committed *)
+ assert false (* only NON dummy universes can be committed *)
| Some g ->
frozen_list := List.remove_assq uri !frozen_list ;
- CacheOfCookedObjects.add uri (obj,g)
+ HT.add cacheOfCookedObjects uri (obj,g)
with
Not_found -> raise (CouldNotUnfreeze (UriManager.string_of_uri uri))
;;
+
let can_be_cooked uri =
try
let obj,ugraph = List.assq uri !frozen_list in
+ (* FIXME: another thing to remove if univ generation phase and lib
+ * exportation are unified.
+ *)
match ugraph with
None -> false
| Some _ -> true
with
Not_found -> false
;;
+
+ (* this function injects a real universe graph in a (uri, (obj, None))
+ * element of the frozen list.
+ *
+ * FIXME: another thing to remove if univ generation phase and lib
+ * exportation are unified.
+ *)
let hack_univ uri real_ugraph =
try
let o,g = List.assq uri !frozen_list in
prerr_endline (
"You are probably hacking an object already hacked or an"^
" object that has the universe file but is not"^
- " jet committed");
+ " yet committed.");
assert false
with
Not_found ->
prerr_endline (
"You are hacking an object that is not in the"^
" frozen_list, this means you are probably generating an"^
- " universe file for an object that already as an universe file");
+ " universe file for an object that already"^
+ " as an universe file");
assert false
;;
- let find_cooked ~key:uri = CacheOfCookedObjects.find uri;;
+
+ let find_cooked ~key:uri = HT.find cacheOfCookedObjects uri ;;
+
let add_cooked ~key:uri (obj,ugraph) =
- CacheOfCookedObjects.add uri (obj,ugraph);;
+ HT.add cacheOfCookedObjects uri (obj,ugraph)
+ ;;
+
+ (* invariant
+ *
+ * an object can be romeved from the cache only if we are not typechecking
+ * something. this means check and frozen must be empty.
+ *)
let remove uri =
if (!unchecked_list <> []) || (!frozen_list <> []) then
failwith "CicEnvironment.remove while type checking"
else
- CacheOfCookedObjects.remove uri
- ;;
- let dump_to_channel = CacheOfCookedObjects.dump_to_channel;;
- let restore_from_channel = CacheOfCookedObjects.restore_from_channel;;
- let empty () =
- CacheOfCookedObjects.empty ();
- unchecked_list := [] ;
- frozen_list := []
+ HT.remove cacheOfCookedObjects uri
;;
+
end
;;
+(* ************************************************************************
+ HERE ENDS THE CACHE MODULE
+ * ************************************************************************ *)
+
+(* exported cache functions *)
let dump_to_channel = Cache.dump_to_channel;;
let restore_from_channel = Cache.restore_from_channel;;
let empty = Cache.empty;;
-let find_or_add_unchecked_to_cache uri =
- Cache.find_or_add_unchecked uri
- ~get_object_to_add:
- (function () ->
- let filename = Http_getter.getxml' uri in
- let bodyfilename =
- match UriManager.bodyuri_of_uri uri with
- None -> None
- | Some bodyuri ->
- try
- ignore (Http_getter.resolve' bodyuri) ;
- (* The body exists ==> it is not an axiom *)
- Some (Http_getter.getxml' bodyuri)
- with
- Http_getter_types.Key_not_found _ ->
- (* The body does not exist ==> we consider it an axiom *)
- None
- in
-
- (*
- maybe this is not the right place to do this.. but I think
- obj_of_xml is called only here
- *)
- (* this brakes something : let _ = CicUniv.restart_numbering () in *)
- let obj = CicParser.obj_of_xml filename bodyfilename in
- let ugraph,filename_univ =
- (*
- try
- let filename_univ =
- Http_getter.getxml' (
- UriManager.uri_of_string (
- (UriManager.string_of_uri uri) ^ ".univ"))
- in
- (Some (CicUniv.ugraph_of_xml filename_univ),Some filename_univ)
- with Failure s ->
-
- prerr_endline (
- "WE HAVE NO UNIVERSE FILE FOR " ^ (UriManager.string_of_uri uri));
- None,None
- *)
- (**********************************************
- TASSI: should fail when universes will be ON
- ***********************************************)
- (Some CicUniv.empty_ugraph,None)
- in
- let cleanup () =
- Unix.unlink filename ;
- begin
- match filename_univ with
- Some f -> Unix.unlink f
- | None -> ()
- end;
- begin
- match bodyfilename with
- Some f -> Unix.unlink f
- | None -> ()
- end
+let get_object_to_add uri =
+ let filename = Http_getter.getxml' uri in
+ let bodyfilename =
+ match UriManager.bodyuri_of_uri uri with
+ None -> None
+ | Some bodyuri ->
+ try
+ ignore (Http_getter.resolve' bodyuri) ;
+ (* The body exists ==> it is not an axiom *)
+ Some (Http_getter.getxml' bodyuri)
+ with
+ Http_getter_types.Key_not_found _ ->
+ (* The body does not exist ==> we consider it an axiom *)
+ None
+ in
+ let cleanup () =
+ Unix.unlink filename ;
+ (*
+ begin
+ match filename_univ with
+ Some f -> Unix.unlink f
+ | None -> ()
+ end;
+ *)
+ begin
+ match bodyfilename with
+ Some f -> Unix.unlink f
+ | None -> ()
+ end
+ in
+ (* this brakes something :
+ * let _ = CicUniv.restart_numbering () in
+ *)
+ let obj =
+ try
+ CicParser.obj_of_xml filename bodyfilename
+ with exn ->
+ cleanup ();
+ raise exn
+ in
+ let ugraph,filename_univ =
+ (* FIXME: decomment this when the universes will be part of the library
+ try
+ let filename_univ =
+ Http_getter.getxml' (
+ UriManager.uri_of_string (
+ (UriManager.string_of_uri uri) ^ ".univ"))
in
- cleanup();
- obj,ugraph)
+ (Some (CicUniv.ugraph_of_xml filename_univ),Some filename_univ)
+ with Failure s ->
+
+ prerr_endline (
+ "WE HAVE NO UNIVERSE FILE FOR " ^ (UriManager.string_of_uri uri));
+ Inix.unlink
+ None,None
+ *)
+ (**********************************************
+ TASSI: should fail when universes will be ON
+ ***********************************************)
+ (Some CicUniv.empty_ugraph,None)
+ in
+ cleanup();
+ obj,ugraph
;;
+
+(* this is the function to fetch the object in the unchecked list and
+ * nothing more (except returning it)
+ *)
+let find_or_add_to_unchecked uri =
+ Cache.find_or_add_to_unchecked uri ~get_object_to_add
-(* set_type_checking_info uri *)
-(* must be called once the type-checking of uri is finished *)
-(* The object whose uri is uri is unfreezed *)
+(* set_type_checking_info uri *)
+(* must be called once the type-checking of uri is finished *)
+(* The object whose uri is uri is unfreezed *)
+(* *)
+(* the replacement ugraph must be the one returned by the *)
+(* typechecker, restricted with the CicUnivUtils.clean_and_fill *)
let set_type_checking_info ?(replace_ugraph=None) uri =
if Cache.can_be_cooked uri && replace_ugraph <> None then
invalid_arg (
"?replace_ugraph must be None if you are not committing an "^
- "object that has an no universe graph associated "^
+ "object that has a universe graph associated "^
"(can happen only in the fase of universes graphs generation).");
if not (Cache.can_be_cooked uri) && replace_ugraph = None then
invalid_arg (
Cache.frozen_to_cooked uri
;;
-
-(* is_type_checked uri *)
-(* CSC: commento falso ed obsoleto *)
-(* returns a CheckedObj if the term has been type-checked *)
-(* otherwise it freezes the term for type-checking and returns
- it *)
-(* set_type_checking_info must be called to unfreeze the term *)
-let is_type_checked ?(trust=true) uri base_univ =
- try
- let o,u = Cache.find_cooked uri in
- CheckedObj (o,CicUniv.merge_ugraphs u base_univ)
- with
- Not_found ->
- let obj,ugraph = find_or_add_unchecked_to_cache uri in
- Cache.unchecked_to_frozen uri ;
- if trust && trust_obj uri then
- begin
- CicLogger.log (`Trusting uri) ;
- set_type_checking_info uri ;
- let o,u = Cache.find_cooked uri in
- let u' = CicUniv.merge_ugraphs base_univ ugraph in
- CheckedObj (o,u')
- end
- else
- begin
- UncheckedObj obj
- end
+(* fetch, unfreeze and commit an uri to the cacheOfCookedObjects and
+ * return the object,ugraph
+ *)
+let add_trusted_uri_to_cache uri =
+ let o,u = find_or_add_to_unchecked uri in
+ Cache.unchecked_to_frozen uri;
+ set_type_checking_info uri;
+ try
+ Cache.find_cooked uri
+ with Not_found -> assert false
;;
-(* get_cooked_obj ~trust uri *)
-(* returns the object if it is already type-checked or if it can be *)
-(* trusted (if [trust] = true and the trusting function accepts it) *)
-(* Otherwise it raises Not_found *)
-let get_cooked_obj ?(trust=true) uri base_univ =
- try
- let o,u = Cache.find_cooked uri in
- o,(CicUniv.merge_ugraphs base_univ u)
- with Not_found ->
- if trust && trust_obj uri then
- begin
- match is_type_checked uri base_univ with
- CheckedObj (obj,ugraph) -> obj,(CicUniv.merge_ugraphs ugraph base_univ)
- | _ -> assert false
- end
- else
- begin
- prerr_endline (
- "@@@ OOOOOOOPS: get_cooked_obj(" ^ UriManager.string_of_uri uri ^
- ") raises Not_found since the object is not type-checked"^
- " nor trusted.");
- raise Not_found
- end
+(* get the uri, if we trust it will be added to the cacheOfCookedObjects *)
+let get_cooked_obj ?(trust=true) base_univ uri =
+ try
+ (* the object should be in the cacheOfCookedObjects *)
+ let o,u = Cache.find_cooked uri in
+ o,(CicUniv.merge_ugraphs base_univ u)
+ with Not_found ->
+ (* this should be an error case, but if we trust the uri... *)
+ if trust && trust_obj uri then
+ (* trusting means that we will fetch cook it on the fly *)
+ let o,u = add_trusted_uri_to_cache uri in
+ o,(CicUniv.merge_ugraphs base_univ u)
+ else
+ (* we don't trust the uri, so we fail *)
+ begin
+ prerr_endline ("CACHE MISS: " ^ (UriManager.string_of_uri uri));
+ raise Not_found
+ end
+
+(* This has not the old semantic :( but is what the name suggests
+ *
+ * let is_type_checked ?(trust=true) uri =
+ * try
+ * let _ = Cache.find_cooked uri in
+ * true
+ * with
+ * Not_found ->
+ * trust && trust_obj uri
+ * ;;
+ *
+ * as the get_cooked_obj but returns a type_checked_obj
+ *
+ *)
+let is_type_checked ?(trust=true) base_univ uri =
+ try
+ let o,u = Cache.find_cooked uri in
+ CheckedObj (o,(CicUniv.merge_ugraphs base_univ u))
+ with Not_found ->
+ (* this should return UncheckedObj *)
+ if trust && trust_obj uri then
+ (* trusting means that we will fetch cook it on the fly *)
+ let o,u = add_trusted_uri_to_cache uri in
+ CheckedObj ( o, CicUniv.merge_ugraphs u base_univ )
+ else
+ let o,u = find_or_add_to_unchecked uri in
+ UncheckedObj o
;;
-(* get_obj uri *)
-(* returns the cic object whose uri is uri. If the term is not just in cache,*)
-(* then it is parsed via CicParser.term_of_xml from the file whose name is *)
-(* the result of Getter.getxml uri *)
-let get_obj ?(not_jet_cooked=false) uri base_univ =
- if not_jet_cooked then
- let o,u = Cache.not_jet_cooked uri in
+(* as the get cooked, but if not present the object is only fetched,
+ * not unfreezed and committed
+ *)
+let get_obj base_univ uri =
+ try
+ (* the object should be in the cacheOfCookedObjects *)
+ let o,u = Cache.find_cooked uri in
o,(CicUniv.merge_ugraphs base_univ u)
- else
- try
- get_cooked_obj uri base_univ
- with
- Not_found ->
- let s = ( UriManager.string_of_uri uri) in
- let o,u = find_or_add_unchecked_to_cache uri in
- o,(CicUniv.merge_ugraphs base_univ u)
+ with Not_found ->
+ (* this should be an error case, but if we trust the uri... *)
+ if trust_obj uri then
+ (* trusting we add it to the unchecked list *)
+ let o,u = find_or_add_to_unchecked uri in
+ o,(CicUniv.merge_ugraphs base_univ u)
+ else
+ raise Not_found
;;
exception OnlyPutOfInductiveDefinitionsIsAllowed
;;
let in_cache uri =
- try
- ignore (Cache.find_cooked uri);
- prerr_endline "TROVATO NELLA CHECKED";true
- with Not_found ->
+ if Cache.is_in_cooked uri then
+ (prerr_endline "TROVATO NELLA CHECKED";true)
+ else
if Cache.is_in_frozen uri then
(prerr_endline "TROVATO NELLA FROZEN";true)
else
projects / helm.git / blobdiff