1 (* Copyright (C) 2004-2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
28 exception Option_error of string * string
29 exception Statement_error of string
30 exception Command_error of string
32 let command_error msg = raise (Command_error msg)
34 type incomplete_proof = {
35 proof: ProofEngineTypes.proof;
36 stack: Continuationals.Stack.t;
41 | Incomplete_proof of incomplete_proof
42 | Proof of ProofEngineTypes.proof
43 | Intermediate of Cic.metasenv
44 (* Status in which the proof could be while it is being processed by the
45 * engine. No status entering/exiting the engine could be in it. *)
48 | ProofMode of NTacStatus.tac_status
49 | CommandMode of NEstatus.status
52 moo_content_rev: GrafiteMarshal.moo;
53 proof_status: proof_status;
54 objects: UriManager.uri list;
55 coercions: CoercDb.coerc_db;
56 automation_cache:AutomationCache.cache;
62 match x.ng_status with
63 | ProofMode t -> t.NTacStatus.istatus.NTacStatus.estatus
69 match x.ng_status with
72 {t with NTacStatus.istatus =
73 {t.NTacStatus.istatus with NTacStatus.estatus = e}}
74 | CommandMode _ -> CommandMode e}
77 let get_current_proof status =
78 match status.proof_status with
79 | Incomplete_proof { proof = p } -> p
81 | _ -> raise (Statement_error "no ongoing proof")
83 let get_proof_metasenv status =
84 match status.proof_status with
86 | Proof (_, metasenv, _, _, _, _)
87 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) }
88 | Intermediate metasenv ->
91 let get_stack status =
92 match status.proof_status with
93 | Incomplete_proof p -> p.stack
94 | Proof _ -> Continuationals.Stack.empty
97 let set_stack stack status =
98 match status.proof_status with
99 | Incomplete_proof p ->
100 { status with proof_status = Incomplete_proof { p with stack = stack } }
102 assert (Continuationals.Stack.is_empty stack);
106 let set_metasenv metasenv status =
108 match status.proof_status with
109 | No_proof -> Intermediate metasenv
110 | Incomplete_proof ({ proof = (uri, _, subst, proof, ty, attrs) } as incomplete_proof) ->
112 { incomplete_proof with proof = (uri, metasenv, subst, proof, ty, attrs) }
113 | Intermediate _ -> Intermediate metasenv
114 | Proof (_, metasenv', _, _, _, _) ->
115 assert (metasenv = metasenv');
118 { status with proof_status = proof_status }
120 let get_proof_context status goal =
121 match status.proof_status with
122 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
123 let (_, context, _) = CicUtil.lookup_meta goal metasenv in
127 let get_proof_conclusion status goal =
128 match status.proof_status with
129 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
130 let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
132 | _ -> raise (Statement_error "no ongoing proof")
134 let add_moo_content cmds status =
135 let content = status.moo_content_rev in
139 (* prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
141 | GrafiteAst.Default _
143 | GrafiteAst.Coercion _ ->
144 if List.mem cmd content then acc
149 (* prerr_endline ("new moo content: " ^ String.concat " " (List.map
150 GrafiteAstPp.pp_command content')); *)
151 { status with moo_content_rev = content' }
153 let get_baseuri status = status.baseuri;;
156 let get_option status name =
158 StringMap.find name status.options
159 with Not_found -> raise (Option_error (name, "not found"))
161 let set_option status name value =
162 let types = [ (* no set options defined! *) ] in
164 try List.assoc name types
166 command_error (Printf.sprintf "Unknown option \"%s\"" name)
169 match ty_and_mangler with
170 | `String, f -> String (f value)
173 Int (int_of_string (f value))
175 command_error (Printf.sprintf "Not an integer value \"%s\"" value))
177 { status with options = StringMap.add name value status.options }
180 let get_string_option status name =
181 match get_option status name with
183 | _ -> raise (Option_error (name, "not a string value"))
186 let dump_status status =
187 HLog.message "status.aliases:\n";
188 HLog.message "status.proof_status:";
190 (match status.proof_status with
191 | No_proof -> "no proof\n"
192 | Incomplete_proof _ -> "incomplete proof\n"
193 | Proof _ -> "proof\n"
194 | Intermediate _ -> "Intermediate\n");
195 HLog.message "status.options\n";
197 StringMap.iter (fun k v ->
201 | Int i -> string_of_int i
203 HLog.message (k ^ "::=" ^ v)) status.options;
205 HLog.message "status.coercions\n";
206 HLog.message "status.objects:\n";
208 (fun u -> HLog.message (UriManager.string_of_uri u)) status.objects