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 moo_content_rev: GrafiteMarshal.moo;
49 proof_status: proof_status;
50 objects: UriManager.uri list;
51 coercions: CoercDb.coerc_db;
52 universe:Universe.universe;
56 let get_current_proof status =
57 match status.proof_status with
58 | Incomplete_proof { proof = p } -> p
60 | _ -> raise (Statement_error "no ongoing proof")
62 let get_proof_metasenv status =
63 match status.proof_status with
65 | Proof (_, metasenv, _, _, _, _)
66 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) }
67 | Intermediate metasenv ->
70 let get_stack status =
71 match status.proof_status with
72 | Incomplete_proof p -> p.stack
73 | Proof _ -> Continuationals.Stack.empty
76 let set_stack stack status =
77 match status.proof_status with
78 | Incomplete_proof p ->
79 { status with proof_status = Incomplete_proof { p with stack = stack } }
81 assert (Continuationals.Stack.is_empty stack);
85 let set_metasenv metasenv status =
87 match status.proof_status with
88 | No_proof -> Intermediate metasenv
89 | Incomplete_proof ({ proof = (uri, _, subst, proof, ty, attrs) } as incomplete_proof) ->
91 { incomplete_proof with proof = (uri, metasenv, subst, proof, ty, attrs) }
92 | Intermediate _ -> Intermediate metasenv
93 | Proof (_, metasenv', _, _, _, _) ->
94 assert (metasenv = metasenv');
97 { status with proof_status = proof_status }
99 let get_proof_context status goal =
100 match status.proof_status with
101 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
102 let (_, context, _) = CicUtil.lookup_meta goal metasenv in
106 let get_proof_conclusion status goal =
107 match status.proof_status with
108 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
109 let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
111 | _ -> raise (Statement_error "no ongoing proof")
113 let add_moo_content cmds status =
114 let content = status.moo_content_rev in
118 (* prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
120 | GrafiteAst.Default _
122 | GrafiteAst.Coercion _ ->
123 if List.mem cmd content then acc
128 (* prerr_endline ("new moo content: " ^ String.concat " " (List.map
129 GrafiteAstPp.pp_command content')); *)
130 { status with moo_content_rev = content' }
132 let get_baseuri status = status.baseuri;;
135 let get_option status name =
137 StringMap.find name status.options
138 with Not_found -> raise (Option_error (name, "not found"))
140 let set_option status name value =
141 let types = [ (* no set options defined! *) ] in
143 try List.assoc name types
145 command_error (Printf.sprintf "Unknown option \"%s\"" name)
148 match ty_and_mangler with
149 | `String, f -> String (f value)
152 Int (int_of_string (f value))
154 command_error (Printf.sprintf "Not an integer value \"%s\"" value))
156 { status with options = StringMap.add name value status.options }
159 let get_string_option status name =
160 match get_option status name with
162 | _ -> raise (Option_error (name, "not a string value"))
165 let dump_status status =
166 HLog.message "status.aliases:\n";
167 HLog.message "status.proof_status:";
169 (match status.proof_status with
170 | No_proof -> "no proof\n"
171 | Incomplete_proof _ -> "incomplete proof\n"
172 | Proof _ -> "proof\n"
173 | Intermediate _ -> "Intermediate\n");
174 HLog.message "status.options\n";
176 StringMap.iter (fun k v ->
180 | Int i -> string_of_int i
182 HLog.message (k ^ "::=" ^ v)) status.options;
184 HLog.message "status.coercions\n";
185 HLog.message "status.objects:\n";
187 (fun u -> HLog.message (UriManager.string_of_uri u)) status.objects