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 module StringMap = Map.Make (String)
51 type options = option_value StringMap.t
52 let no_options = StringMap.empty
55 moo_content_rev: GrafiteMarshal.moo;
56 proof_status: proof_status;
58 objects: UriManager.uri list;
59 coercions: UriManager.uri list;
60 universe:Universe.universe;
61 baseuri: string option;
64 let get_current_proof status =
65 match status.proof_status with
66 | Incomplete_proof { proof = p } -> p
68 | _ -> raise (Statement_error "no ongoing proof")
70 let get_proof_metasenv status =
71 match status.proof_status with
73 | Proof (_, metasenv, _, _, _, _)
74 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) }
75 | Intermediate metasenv ->
78 let get_stack status =
79 match status.proof_status with
80 | Incomplete_proof p -> p.stack
81 | Proof _ -> Continuationals.Stack.empty
84 let set_stack stack status =
85 match status.proof_status with
86 | Incomplete_proof p ->
87 { status with proof_status = Incomplete_proof { p with stack = stack } }
89 assert (Continuationals.Stack.is_empty stack);
93 let set_metasenv metasenv status =
95 match status.proof_status with
96 | No_proof -> Intermediate metasenv
97 | Incomplete_proof ({ proof = (uri, _, subst, proof, ty, attrs) } as incomplete_proof) ->
99 { incomplete_proof with proof = (uri, metasenv, subst, proof, ty, attrs) }
100 | Intermediate _ -> Intermediate metasenv
101 | Proof (_, metasenv', _, _, _, _) ->
102 assert (metasenv = metasenv');
105 { status with proof_status = proof_status }
107 let get_proof_context status goal =
108 match status.proof_status with
109 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
110 let (_, context, _) = CicUtil.lookup_meta goal metasenv in
114 let get_proof_conclusion status goal =
115 match status.proof_status with
116 | Incomplete_proof { proof = (_, metasenv, _, _, _, _) } ->
117 let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
119 | _ -> raise (Statement_error "no ongoing proof")
121 let add_moo_content cmds status =
122 let content = status.moo_content_rev in
126 (* prerr_endline ("adding to moo command: " ^ GrafiteAstPp.pp_command cmd); *)
128 | GrafiteAst.Default _
130 | GrafiteAst.Coercion _ ->
131 if List.mem cmd content then acc
136 (* prerr_endline ("new moo content: " ^ String.concat " " (List.map
137 GrafiteAstPp.pp_command content')); *)
138 { status with moo_content_rev = content' }
140 let get_option status name =
142 StringMap.find name status.options
143 with Not_found -> raise (Option_error (name, "not found"))
145 let get_baseuri status =
146 match status.baseuri with
147 | Some b -> b, status
149 let _,baseuri,_ = Librarian.baseuri_of_script (Librarian.filename()) in
150 baseuri, {status with baseuri = Some baseuri}
153 let set_option status name value =
154 let types = [ (* no set options defined! *) ] in
156 try List.assoc name types
158 command_error (Printf.sprintf "Unknown option \"%s\"" name)
161 match ty_and_mangler with
162 | `String, f -> String (f value)
165 Int (int_of_string (f value))
167 command_error (Printf.sprintf "Not an integer value \"%s\"" value))
169 { status with options = StringMap.add name value status.options }
172 let get_string_option status name =
173 match get_option status name with
175 | _ -> raise (Option_error (name, "not a string value"))
177 let dump_status status =
178 HLog.message "status.aliases:\n";
179 HLog.message "status.proof_status:";
181 (match status.proof_status with
182 | No_proof -> "no proof\n"
183 | Incomplete_proof _ -> "incomplete proof\n"
184 | Proof _ -> "proof\n"
185 | Intermediate _ -> "Intermediate\n");
186 HLog.message "status.options\n";
187 StringMap.iter (fun k v ->
191 | Int i -> string_of_int i
193 HLog.message (k ^ "::=" ^ v)) status.options;
194 HLog.message "status.coercions\n";
195 HLog.message "status.objects:\n";
197 (fun u -> HLog.message (UriManager.string_of_uri u)) status.objects