*)
open Printf
+open GrafiteTypes
(** user hit the cancel button *)
exception Cancel
- (** statement invoked in the wrong context (e.g. tactic with no ongoing proof)
- *)
-exception Statement_error of string
-let statement_error msg = raise (Statement_error msg)
-
-exception Command_error of string
-let command_error msg = raise (Command_error msg)
-
- (** parameters are: option name, error message *)
-exception Option_error of string * string
-
-exception Unbound_identifier of string
-
-type incomplete_proof = {
- proof: ProofEngineTypes.proof;
- stack: Continuationals.Stack.t;
-}
-
-type proof_status =
- | No_proof
- | Incomplete_proof of incomplete_proof
- | Proof of ProofEngineTypes.proof
- | Intermediate of Cic.metasenv
- (* Status in which the proof could be while it is being processed by the
- * engine. No status entering/exiting the engine could be in it. *)
-
-module StringMap = Map.Make (String)
-
-type option_value =
- | String of string
- | Int of int
-type options = option_value StringMap.t
-let no_options = StringMap.empty
-
-type ast_command = (CicNotationPt.term, CicNotationPt.obj) GrafiteAst.command
-type moo = ast_command list * GrafiteAst.metadata list
-
-type status = {
- aliases: DisambiguateTypes.environment;
- multi_aliases: DisambiguateTypes.multiple_environment;
- moo_content_rev: moo;
- proof_status: proof_status;
- options: options;
- objects: UriManager.uri list;
- coercions: UriManager.uri list;
- notation_ids: CicNotation.notation_id list;
-}
-
-let set_metasenv metasenv status =
- let proof_status =
- match status.proof_status with
- | No_proof -> Intermediate metasenv
- | Incomplete_proof ({ proof = (uri, _, proof, ty) } as incomplete_proof) ->
- Incomplete_proof
- { incomplete_proof with proof = (uri, metasenv, proof, ty) }
- | Intermediate _ -> Intermediate metasenv
- | Proof _ -> assert false
- in
- { status with proof_status = proof_status }
-
-let dump_status status =
- HLog.message "status.aliases:\n";
- HLog.message "status.proof_status:";
- HLog.message
- (match status.proof_status with
- | No_proof -> "no proof\n"
- | Incomplete_proof _ -> "incomplete proof\n"
- | Proof _ -> "proof\n"
- | Intermediate _ -> "Intermediate\n");
- HLog.message "status.options\n";
- StringMap.iter (fun k v ->
- let v =
- match v with
- | String s -> s
- | Int i -> string_of_int i
- in
- HLog.message (k ^ "::=" ^ v)) status.options;
- HLog.message "status.coercions\n";
- HLog.message "status.objects:\n";
- List.iter
- (fun u -> HLog.message (UriManager.string_of_uri u)) status.objects
-
-let get_option status name =
- try
- StringMap.find name status.options
- with Not_found -> raise (Option_error (name, "not found"))
-
-let get_string_option status name =
- match get_option status name with
- | String s -> s
- | _ -> raise (Option_error (name, "not a string value"))
-
-let set_option status name value =
- let mangle_dir s =
- let s = Str.global_replace (Str.regexp "//+") "/" s in
- let s = Str.global_replace (Str.regexp "/$") "" s in
- s
- in
- let types = [ "baseuri", (`String, mangle_dir); ] in
- let ty_and_mangler =
- try
- List.assoc name types
- with Not_found -> command_error (sprintf "Unknown option \"%s\"" name)
- in
- let value =
- match ty_and_mangler with
- | `String, f -> String (f value)
- | `Int, f ->
- (try
- Int (int_of_string (f value))
- with Failure _ ->
- command_error (sprintf "Not an integer value \"%s\"" value))
- in
- if StringMap.mem name status.options && name = "baseuri" then
- command_error "Redefinition of 'baseuri' is forbidden."
- else
- { status with options = StringMap.add name value status.options }
-
-let add_moo_content cmds status =
- let content, metadata = status.moo_content_rev in
- let content' =
- List.fold_right
- (fun cmd acc ->
-(* prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
- match cmd with
- | GrafiteAst.Interpretation _
- | GrafiteAst.Default _ ->
- if List.mem cmd content then acc
- else cmd :: acc
- | GrafiteAst.Alias _ -> (* move Alias as the last inserted one *)
- cmd :: (List.filter ((<>) cmd) acc)
- | _ -> cmd :: acc)
- cmds content
- in
-(* prerr_endline ("new moo content: " ^ String.concat " " (List.map
- GrafiteAstPp.pp_command content')); *)
- { status with moo_content_rev = content', metadata }
-
-let add_moo_metadata new_metadata status =
- let content, metadata = status.moo_content_rev in
- let metadata' =
- List.fold_left
- (fun acc m ->
- match m with
- | GrafiteAst.Dependency buri ->
- let is_self = (* self dependency *)
- try
- get_string_option status "baseuri" = buri
- with Option_error _ -> false (* baseuri not yet set *)
- in
- if is_self
- || List.exists (GrafiteAst.eq_metadata m) metadata (* duplicate *)
- then acc
- else m :: acc
- | _ -> m :: acc)
- metadata new_metadata
- in
- { status with moo_content_rev = content, metadata' }
-
- (* subset of MatitaConsole.console methods needed by MatitaInterpreter *)
-class type console =
- object
- method clear : unit -> unit
- method echo_error : string -> unit
- method echo_message : string -> unit
- method wrap_exn : 'a. (unit -> 'a) -> 'a option
- method choose_uri : string list -> string
- method show : ?msg:string -> unit -> unit
- end
-
type abouts =
[ `Blank
| `Current_proof
method show_uri_list:
?reuse:bool -> entry:mathViewer_entry -> UriManager.uri list -> unit
end
-
-let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
-
-let get_current_proof status =
- match status.proof_status with
- | Incomplete_proof { proof = p } -> p
- | _ -> statement_error "no ongoing proof"
-
-let get_proof_metasenv status =
- match status.proof_status with
- | No_proof -> []
- | Proof (_, metasenv, _, _)
- | Incomplete_proof { proof = (_, metasenv, _, _) }
- | Intermediate metasenv ->
- metasenv
-
-let get_proof_context status goal =
- match status.proof_status with
- | Incomplete_proof { proof = (_, metasenv, _, _) } ->
- let (_, context, _) = CicUtil.lookup_meta goal metasenv in
- context
- | _ -> []
-
-let get_proof_conclusion status goal =
- match status.proof_status with
- | Incomplete_proof { proof = (_, metasenv, _, _) } ->
- let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
- conclusion
- | _ -> statement_error "no ongoing proof"
-
-let get_stack status =
- match status.proof_status with
- | Incomplete_proof p -> p.stack
- | Proof _ -> Continuationals.Stack.empty
- | _ -> assert false
-
-let set_stack stack status =
- match status.proof_status with
- | Incomplete_proof p ->
- { status with proof_status = Incomplete_proof { p with stack = stack } }
- | Proof _ ->
- assert (Continuationals.Stack.is_empty stack);
- status
- | _ -> assert false
-
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