1 (* Copyright (C) 2000, 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://cs.unibo.it/helm/.
28 (* converts annotated terms into cic terms (forgetting ids and names) *)
29 let rec deannotate_term =
32 C.ARel (_,_,n,_) -> C.Rel n
33 | C.AVar (_,uri,exp_named_subst) ->
34 let deann_exp_named_subst =
35 List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
37 C.Var (uri, deann_exp_named_subst)
43 | Some at -> Some (deannotate_term at)
47 | C.ASort (_,s) -> C.Sort s
48 | C.AImplicit (_, annotation) -> C.Implicit annotation
49 | C.ACast (_,va,ty) -> C.Cast (deannotate_term va, deannotate_term ty)
50 | C.AProd (_,name,so,ta) ->
51 C.Prod (name, deannotate_term so, deannotate_term ta)
52 | C.ALambda (_,name,so,ta) ->
53 C.Lambda (name, deannotate_term so, deannotate_term ta)
54 | C.ALetIn (_,name,so,ty,ta) ->
55 C.LetIn (name, deannotate_term so, deannotate_term ty, deannotate_term ta)
56 | C.AAppl (_,l) -> C.Appl (List.map deannotate_term l)
57 | C.AConst (_,uri,exp_named_subst) ->
58 let deann_exp_named_subst =
59 List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
61 C.Const (uri, deann_exp_named_subst)
62 | C.AMutInd (_,uri,i,exp_named_subst) ->
63 let deann_exp_named_subst =
64 List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
66 C.MutInd (uri,i,deann_exp_named_subst)
67 | C.AMutConstruct (_,uri,i,j,exp_named_subst) ->
68 let deann_exp_named_subst =
69 List.map (function (uri,t) -> uri,deannotate_term t) exp_named_subst
71 C.MutConstruct (uri,i,j,deann_exp_named_subst)
72 | C.AMutCase (_,uri,i,outtype,te,pl) ->
73 C.MutCase (uri,i,deannotate_term outtype,
74 deannotate_term te, List.map deannotate_term pl)
75 | C.AFix (_,funno,ifl) ->
76 C.Fix (funno, List.map deannotate_inductiveFun ifl)
77 | C.ACoFix (_,funno,ifl) ->
78 C.CoFix (funno, List.map deannotate_coinductiveFun ifl)
80 and deannotate_inductiveFun (_,name,index,ty,bo) =
81 (name, index, deannotate_term ty, deannotate_term bo)
83 and deannotate_coinductiveFun (_,name,ty,bo) =
84 (name, deannotate_term ty, deannotate_term bo)
87 let deannotate_inductiveType (_, name, isinductive, arity, cons) =
88 (name, isinductive, deannotate_term arity,
89 List.map (fun (id,ty) -> (id,deannotate_term ty)) cons)
92 let deannotate_conjectures =
96 (_,id,acontext,con) ->
100 | _,Some (n,(C.ADef (ate,aty))) ->
101 Some(n,(C.Def(deannotate_term ate,deannotate_term aty)))
102 | _,Some (n,(C.ADecl at)) -> Some (n,(C.Decl (deannotate_term at)))
106 (id,context,deannotate_term con))
109 let type_of_aux' = ref (fun _ _ -> assert false);;
110 let lift = ref (fun _ _ -> assert false);;
112 let rec compute_letin_type context te =
113 let module C = Cic in
117 | C.Implicit _ -> assert false
124 | Some x -> Some (compute_letin_type context x)) l)
127 (compute_letin_type context te,
128 compute_letin_type context ty)
129 | C.Prod (name,so,dest) ->
130 let so = compute_letin_type context so in
132 compute_letin_type ((Some (name,(C.Decl so)))::context) dest)
133 | C.Lambda (name,so,dest) ->
134 let so = compute_letin_type context so in
136 compute_letin_type ((Some (name,(C.Decl so)))::context) dest)
137 | C.LetIn (name,so,C.Implicit _,dest) ->
138 let so = compute_letin_type context so in
139 let ty = Unshare.unshare ~fresh_univs:true (!type_of_aux' context so) in
140 C.LetIn (name, so, ty,
141 compute_letin_type ((Some (name,(C.Def (so,ty))))::context) dest)
142 | C.LetIn (name,so,ty,dest) ->
143 let so = compute_letin_type context so in
144 let ty = compute_letin_type context ty in
145 C.LetIn (name, so, ty,
146 compute_letin_type ((Some (name,(C.Def (so,ty))))::context) dest)
148 C.Appl (List.map (fun x -> compute_letin_type context x) l)
149 | C.Var (uri,exp_named_subst) ->
151 List.map (fun (u,x) -> u,compute_letin_type context x) exp_named_subst)
152 | C.Const (uri,exp_named_subst) ->
154 List.map (fun (u,x) -> u,compute_letin_type context x) exp_named_subst)
155 | C.MutInd (uri,i,exp_named_subst) ->
157 List.map (fun (u,x) -> u,compute_letin_type context x) exp_named_subst)
158 | C.MutConstruct (uri,i,j,exp_named_subst) ->
159 C.MutConstruct (uri,i,j,
160 List.map (fun (u,x) -> u,compute_letin_type context x) exp_named_subst)
161 | C.MutCase (uri,i,out,te,pl) ->
163 compute_letin_type context out,
164 compute_letin_type context te,
165 List.map (fun x -> compute_letin_type context x) pl)
169 (function (name,recno,ty,bo) ->
170 name,recno,compute_letin_type context ty, bo) fl in
173 (fun (types,len) (n,_,ty,_) ->
174 (Some (C.Name n,(C.Decl (!lift len ty)))::types,
180 (fun (name,recno,ty,bo) ->
181 name, recno, ty, compute_letin_type (tys @ context) bo
183 | C.CoFix (fno,fl) ->
186 (function (name,ty,bo) ->
187 name, compute_letin_type context ty, bo) fl in
190 (fun (types,len) (n,ty,_) ->
191 (Some (C.Name n,(C.Decl (!lift len ty)))::types,
198 name, ty, compute_letin_type (tys @ context) bo
203 let deannotate_term t =
204 compute_letin_type [] (deannotate_term t)
206 let module C = Cic in
208 C.AConstant (_, _, id, bo, ty, params, attrs) ->
210 (match bo with None -> None | Some bo -> Some (deannotate_term bo)),
211 deannotate_term ty, params, attrs)
212 | C.AVariable (_, name, bo, ty, params, attrs) ->
214 (match bo with None -> None | Some bo -> Some (deannotate_term bo)),
215 deannotate_term ty, params, attrs)
216 | C.ACurrentProof (_, _, name, conjs, bo, ty, params, attrs) ->
219 deannotate_conjectures conjs,
220 deannotate_term bo,deannotate_term ty, params, attrs
222 | C.AInductiveDefinition (_, tys, params, parno, attrs) ->
223 C.InductiveDefinition (List.map deannotate_inductiveType tys,
224 params, parno, attrs)