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 fun (mcr : GrafiteMarshal.moo) (ps : proof_status) (o : UriManager.uri list)
53 (c : CoercDb.coerc_db) (ac : AutomationCache.cache) (b : string)
57 val moo_content_rev = mcr
61 val automation_cache = ac
64 method moo_content_rev = moo_content_rev
65 method set_moo_content_rev v = {< moo_content_rev = v >}
66 method proof_status = proof_status
67 method set_proof_status v = {< proof_status = v >}
68 method objects = objects
69 method set_objects v = {< objects = v >}
70 method coercions = coercions
71 method set_coercions v = {< coercions = v >}
72 method automation_cache = automation_cache
73 method set_automation_cache v = {< automation_cache = v >}
74 method baseuri = baseuri
75 method set_baseuri v = {< baseuri = v >}
76 method ng_status = ng_status;
77 method set_ng_status v = {< ng_status = v >}
81 match x#ng_status with
82 | ProofMode t -> (t :> NEstatus.status)
88 (match x#ng_status with
89 ProofMode t -> ProofMode t#set_estatus e
90 | CommandMode _ -> CommandMode e)
93 let get_current_proof status =
94 match status#proof_status with
95 | Incomplete_proof { proof = p } -> p
97 | _ -> raise (Statement_error "no ongoing proof")
99 let get_proof_metasenv status =
100 match status#proof_status with
102 | Proof (_, metasenv, _, _, _, _)
103 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) }
104 | Intermediate metasenv ->
107 let get_stack status =
108 match status#proof_status with
109 | Incomplete_proof p -> p.stack
110 | Proof _ -> Continuationals.Stack.empty
113 let set_stack stack status =
114 match status#proof_status with
115 | Incomplete_proof p ->
116 status#set_proof_status (Incomplete_proof { p with stack = stack })
118 assert (Continuationals.Stack.is_empty stack);
122 let set_metasenv metasenv status =
124 match status#proof_status with
125 | No_proof -> Intermediate metasenv
126 | Incomplete_proof ({ proof = (uri, _, subst, proof, ty, attrs) } as incomplete_proof) ->
128 { incomplete_proof with proof = (uri, metasenv, subst, proof, ty, attrs) }
129 | Intermediate _ -> Intermediate metasenv
130 | Proof (_, metasenv', _, _, _, _) ->
131 assert (metasenv = metasenv');
134 status#set_proof_status proof_status
136 let get_proof_context status goal =
137 match status#proof_status with
138 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
139 let (_, context, _) = CicUtil.lookup_meta goal metasenv in
143 let get_proof_conclusion status goal =
144 match status#proof_status with
145 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
146 let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
148 | _ -> raise (Statement_error "no ongoing proof")
150 let add_moo_content cmds status =
151 let content = status#moo_content_rev in
155 (* prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
157 | GrafiteAst.Default _
159 | GrafiteAst.Coercion _ ->
160 if List.mem cmd content then acc
165 (* prerr_endline ("new moo content: " ^ String.concat " " (List.map
166 GrafiteAstPp.pp_command content')); *)
167 status#set_moo_content_rev content'
169 let get_baseuri status = status#baseuri;;
171 let dump_status status =
172 HLog.message "status.aliases:\n";
173 HLog.message "status.proof_status:";
175 (match status#proof_status with
176 | No_proof -> "no proof\n"
177 | Incomplete_proof _ -> "incomplete proof\n"
178 | Proof _ -> "proof\n"
179 | Intermediate _ -> "Intermediate\n");
180 HLog.message "status.options\n";
181 HLog.message "status.coercions\n";
182 HLog.message "status.objects:\n";
184 (fun u -> HLog.message (UriManager.string_of_uri u)) status#objects