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. *)
47 class status = fun (b : string) ->
49 NUri.uri_of_string "cic:/matita/dummy.decl",0,[],[],
50 NCic.Constant([],"",None,NCic.Implicit `Closed,(`Provided,`Theorem,`Regular))
53 val moo_content_rev = ([] : GrafiteMarshal.moo)
54 val proof_status = No_proof
55 val objects = ([] : UriManager.uri list)
56 val coercions = CoercDb.empty_coerc_db
57 val automation_cache = AutomationCache.empty ()
59 val ng_mode = (`CommandMode : [`CommandMode | `ProofMode])
60 method moo_content_rev = moo_content_rev
61 method set_moo_content_rev v = {< moo_content_rev = v >}
62 method proof_status = proof_status
63 method set_proof_status v = {< proof_status = v >}
64 method objects = objects
65 method set_objects v = {< objects = v >}
66 method coercions = coercions
67 method set_coercions v = {< coercions = v >}
68 method automation_cache = automation_cache
69 method set_automation_cache v = {< automation_cache = v >}
70 method baseuri = baseuri
71 method set_baseuri v = {< baseuri = v >}
72 method ng_mode = ng_mode;
73 method set_ng_mode v = {< ng_mode = v >}
74 (* Warning: #stack and #obj are meaningful iff #ng_mode is `ProofMode *)
75 inherit ([Continuationals.Stack.t] NTacStatus.status fake_obj (Continuationals.Stack.empty))
78 let get_current_proof status =
79 match status#proof_status with
80 | Incomplete_proof { proof = p } -> p
82 | _ -> raise (Statement_error "no ongoing proof")
84 let get_proof_metasenv status =
85 match status#proof_status with
87 | Proof (_, metasenv, _, _, _, _)
88 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) }
89 | Intermediate metasenv ->
92 let get_stack status =
93 match status#proof_status with
94 | Incomplete_proof p -> p.stack
95 | Proof _ -> Continuationals.Stack.empty
98 let set_stack stack status =
99 match status#proof_status with
100 | Incomplete_proof p ->
101 status#set_proof_status (Incomplete_proof { p with stack = stack })
103 assert (Continuationals.Stack.is_empty stack);
107 let set_metasenv metasenv status =
109 match status#proof_status with
110 | No_proof -> Intermediate metasenv
111 | Incomplete_proof ({ proof = (uri, _, subst, proof, ty, attrs) } as incomplete_proof) ->
113 { incomplete_proof with proof = (uri, metasenv, subst, proof, ty, attrs) }
114 | Intermediate _ -> Intermediate metasenv
115 | Proof (_, metasenv', _, _, _, _) ->
116 assert (metasenv = metasenv');
119 status#set_proof_status proof_status
121 let get_proof_context status goal =
122 match status#proof_status with
123 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
124 let (_, context, _) = CicUtil.lookup_meta goal metasenv in
128 let get_proof_conclusion status goal =
129 match status#proof_status with
130 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
131 let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
133 | _ -> raise (Statement_error "no ongoing proof")
135 let add_moo_content cmds status =
136 let content = status#moo_content_rev in
140 (* prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
142 | GrafiteAst.Default _
144 | GrafiteAst.Coercion _ ->
145 if List.mem cmd content then acc
150 (* prerr_endline ("new moo content: " ^ String.concat " " (List.map
151 GrafiteAstPp.pp_command content')); *)
152 status#set_moo_content_rev content'
154 let dump_status status =
155 HLog.message "status.aliases:\n";
156 HLog.message "status.proof_status:";
158 (match status#proof_status with
159 | No_proof -> "no proof\n"
160 | Incomplete_proof _ -> "incomplete proof\n"
161 | Proof _ -> "proof\n"
162 | Intermediate _ -> "Intermediate\n");
163 HLog.message "status.options\n";
164 HLog.message "status.coercions\n";
165 HLog.message "status.objects:\n";
167 (fun u -> HLog.message (UriManager.string_of_uri u)) status#objects