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 module U = UriManager;;
30 exception InvalidSuffix of string;;
31 exception InductiveTypeURIExpected;;
32 exception UnknownIdentifier of string;;
33 exception ExplicitNamedSubstitutionAppliedToRel;;
34 exception TheLeftHandSideOfAnExplicitNamedSubstitutionMustBeAVariable;;
36 (* merge removing duplicates of two lists free of duplicates *)
42 if List.mem he dom1 then filter tl else he::(filter tl)
47 let get_index_in_list e =
51 | (Some he)::_ when he = e -> i
52 | _::tl -> aux (i+1) tl
57 (* Returns the first meta whose number is above the *)
58 (* number of the higher meta. *)
59 (*CSC: cut&pasted from proofEngine.ml *)
65 | None,(n,_,_)::tl -> aux (Some n,tl)
66 | Some m,(n,_,_)::tl -> if n > m then aux (Some n,tl) else aux (Some m,tl)
68 1 + aux (None,!CicTextualParser0.metasenv)
71 (* identity_relocation_list_for_metavariable i canonical_context *)
72 (* returns the identity relocation list, which is the list [1 ; ... ; n] *)
73 (* where n = List.length [canonical_context] *)
74 (*CSC: ma mi basta la lunghezza del contesto canonico!!!*)
75 (*CSC: cut&pasted from proofEngine.ml *)
76 let identity_relocation_list_for_metavariable canonical_context =
77 let canonical_context_length = List.length canonical_context in
81 | (n,None::tl) -> None::(aux ((n+1),tl))
82 | (n,_::tl) -> (Some (Cic.Rel n))::(aux ((n+1),tl))
84 aux (1,canonical_context)
87 let deoptionize_exp_named_subst =
89 None -> [], (function _ -> [])
90 | Some (dom,mk_exp_named_subst) -> dom,mk_exp_named_subst
93 let term_of_con_uri uri exp_named_subst =
94 Const (uri,exp_named_subst)
97 let term_of_var_uri uri exp_named_subst =
98 Var (uri,exp_named_subst)
101 let term_of_indty_uri (uri,tyno) exp_named_subst =
102 MutInd (uri, tyno, exp_named_subst)
105 let term_of_indcon_uri (uri,tyno,consno) exp_named_subst =
106 MutConstruct (uri, tyno, consno, exp_named_subst)
109 let term_of_uri uri =
111 CicTextualParser0.ConUri uri ->
113 | CicTextualParser0.VarUri uri ->
115 | CicTextualParser0.IndTyUri (uri,tyno) ->
116 term_of_indty_uri (uri,tyno)
117 | CicTextualParser0.IndConUri (uri,tyno,consno) ->
118 term_of_indcon_uri (uri,tyno,consno)
121 let var_uri_of_id id interp =
122 let module CTP0 = CicTextualParser0 in
124 None -> raise (UnknownIdentifier id)
125 | Some (CTP0.Uri (CTP0.VarUri uri)) -> uri
126 | Some _ -> raise TheLeftHandSideOfAnExplicitNamedSubstitutionMustBeAVariable
129 let indty_uri_of_id id interp =
130 let module CTP0 = CicTextualParser0 in
132 None -> raise (UnknownIdentifier id)
133 | Some (CTP0.Uri (CTP0.IndTyUri (uri,tyno))) -> (uri,tyno)
134 | Some _ -> raise InductiveTypeURIExpected
138 let newmeta = new_meta () in
139 let new_canonical_context = [] in
141 identity_relocation_list_for_metavariable new_canonical_context
143 CicTextualParser0.metasenv :=
144 [newmeta, new_canonical_context, Sort Type ;
145 newmeta+1, new_canonical_context, Meta (newmeta,irl);
146 newmeta+2, new_canonical_context, Meta (newmeta+1,irl)
147 ] @ !CicTextualParser0.metasenv ;
148 [], function _ -> Meta (newmeta+2,irl)
154 %token <UriManager.uri> CONURI
155 %token <UriManager.uri> VARURI
156 %token <UriManager.uri * int> INDTYURI
157 %token <UriManager.uri * int * int> INDCONURI
159 %token LPAREN RPAREN PROD LAMBDA COLON DOT SET PROP TYPE CAST IMPLICIT NONE
160 %token LETIN FIX COFIX SEMICOLON LCURLY RCURLY CASE ARROW LBRACKET RBRACKET EOF
163 %type <string list * ((string -> CicTextualParser0.interp_codomain option) -> Cic.term)> main
169 CONURI exp_named_subst
170 { let dom,mk_exp_named_subst = deoptionize_exp_named_subst $2 in
171 dom, function interp -> term_of_con_uri $1 (mk_exp_named_subst interp)
173 | VARURI exp_named_subst
174 { let dom,mk_exp_named_subst = deoptionize_exp_named_subst $2 in
175 dom, function interp -> term_of_var_uri $1 (mk_exp_named_subst interp)
177 | INDTYURI exp_named_subst
178 { let dom,mk_exp_named_subst = deoptionize_exp_named_subst $2 in
179 dom, function interp -> term_of_indty_uri $1 (mk_exp_named_subst interp)
181 | INDCONURI exp_named_subst
182 { let dom,mk_exp_named_subst = deoptionize_exp_named_subst $2 in
183 dom, function interp -> term_of_indcon_uri $1 (mk_exp_named_subst interp)
188 Rel (get_index_in_list (Name $1) !CicTextualParser0.binders)
191 None -> ([], function _ -> res)
192 | Some _ -> raise (ExplicitNamedSubstitutionAppliedToRel)
196 let dom1,mk_exp_named_subst = deoptionize_exp_named_subst $2 in
197 let dom = union dom1 [$1] in
201 None -> raise (UnknownIdentifier $1)
202 | Some (CicTextualParser0.Uri uri) ->
203 term_of_uri uri (mk_exp_named_subst interp)
204 | Some CicTextualParser0.Implicit ->
205 (*CSC: not very clean; to maximize code reusage *)
206 snd (mk_implicit ()) ""
208 | CASE LPAREN expr COLON INDTYURI SEMICOLON expr RPAREN LCURLY branches RCURLY
209 { let dom1,mk_expr1 = $3 in
210 let dom2,mk_expr2 = $7 in
211 let dom3,mk_expr3 = $10 in
212 let dom = union dom1 (union dom2 dom3) in
216 (fst $5,snd $5,(mk_expr2 interp),(mk_expr1 interp),(mk_expr3 interp))
218 | CASE LPAREN expr COLON ID SEMICOLON expr RPAREN LCURLY branches RCURLY
219 { let dom1,mk_expr1 = $3 in
220 let dom2,mk_expr2 = $7 in
221 let dom3,mk_expr3 = $10 in
222 let dom = union [$5] (union dom1 (union dom2 dom3)) in
225 let uri,typeno = indty_uri_of_id $5 interp in
227 (uri,typeno,(mk_expr2 interp),(mk_expr1 interp),
230 | fixheader LCURLY exprseplist RCURLY
231 { let dom1,foo,ids_and_indexes,mk_types = $1 in
232 let dom2,mk_exprseplist = $3 in
233 let dom = union dom1 dom2 in
234 for i = 1 to List.length ids_and_indexes do
235 CicTextualParser0.binders := List.tl !CicTextualParser0.binders
239 let types = mk_types interp in
240 let fixfunsbodies = (mk_exprseplist interp) in
244 [] -> raise Not_found
245 | (name,_)::_ when name = foo -> idx
246 | _::tl -> find (idx+1) tl
248 find 0 ids_and_indexes
251 List.map2 (fun ((name,recindex),ty) bo -> (name,recindex,ty,bo))
252 (List.combine ids_and_indexes types) fixfunsbodies
256 | cofixheader LCURLY exprseplist RCURLY
257 { let dom1,foo,ids,mk_types = $1 in
258 let dom2,mk_exprseplist = $3 in
259 let dom = union dom1 dom2 in
262 let types = mk_types interp in
263 let fixfunsbodies = (mk_exprseplist interp) in
267 [] -> raise Not_found
268 | name::_ when name = foo -> idx
269 | _::tl -> find (idx+1) tl
274 List.map2 (fun (name,ty) bo -> (name,ty,bo))
275 (List.combine ids types) fixfunsbodies
277 for i = 1 to List.length fixfuns do
278 CicTextualParser0.binders := List.tl !CicTextualParser0.binders
284 | SET { [], function _ -> Sort Set }
285 | PROP { [], function _ -> Sort Prop }
286 | TYPE { [], function _ -> Sort Type }
287 | LPAREN expr CAST expr RPAREN
288 { let dom1,mk_expr1 = $2 in
289 let dom2,mk_expr2 = $4 in
290 let dom = union dom1 dom2 in
291 dom, function interp -> Cast ((mk_expr1 interp),(mk_expr2 interp))
293 | META LBRACKET substitutionlist RBRACKET
294 { let dom,mk_substitutionlist = $3 in
295 dom, function interp -> Meta ($1, mk_substitutionlist interp)
297 | LPAREN expr expr exprlist RPAREN
298 { let dom1,mk_expr1 = $2 in
299 let dom2,mk_expr2 = $3 in
300 let dom3,mk_exprlist = $4 in
301 let dom = union dom1 (union dom2 dom3) in
304 Appl ([mk_expr1 interp ; mk_expr2 interp]@(mk_exprlist interp))
309 | LCURLY named_substs RCURLY
314 { let dom,mk_expr = $3 in
315 dom, function interp -> [$1, mk_expr interp] }
317 { let dom1,mk_expr = $3 in
318 let dom = union [$1] dom1 in
319 dom, function interp -> [var_uri_of_id $1 interp, mk_expr interp] }
320 | VARURI LETIN expr2 SEMICOLON named_substs
321 { let dom1,mk_expr = $3 in
322 let dom2,mk_named_substs = $5 in
323 let dom = union dom1 dom2 in
324 dom, function interp -> ($1, mk_expr interp)::(mk_named_substs interp)
326 | ID LETIN expr2 SEMICOLON named_substs
327 { let dom1,mk_expr = $3 in
328 let dom2,mk_named_substs = $5 in
329 let dom = union [$1] (union dom1 dom2) in
332 (var_uri_of_id $1 interp, mk_expr interp)::(mk_named_substs interp)
337 { CicTextualParser0.binders := List.tl !CicTextualParser0.binders ;
338 let dom1,mk_expr1 = snd $1 in
339 let dom2,mk_expr2 = $2 in
340 let dom = union dom1 dom2 in
341 dom, function interp -> Prod (fst $1, mk_expr1 interp, mk_expr2 interp)
344 { CicTextualParser0.binders := List.tl !CicTextualParser0.binders ;
345 let dom1,mk_expr1 = snd $1 in
346 let dom2,mk_expr2 = $2 in
347 let dom = union dom1 dom2 in
348 dom,function interp -> Lambda (fst $1, mk_expr1 interp, mk_expr2 interp)
351 { CicTextualParser0.binders := List.tl !CicTextualParser0.binders ;
352 let dom1,mk_expr1 = snd $1 in
353 let dom2,mk_expr2 = $2 in
354 let dom = union dom1 dom2 in
355 dom, function interp -> LetIn (fst $1, mk_expr1 interp, mk_expr2 interp)
361 FIX ID LCURLY fixfunsdecl RCURLY
362 { let dom,ids_and_indexes,mk_types = $4 in
364 List.rev_map (function (name,_) -> Some (Name name)) ids_and_indexes
366 CicTextualParser0.binders := bs@(!CicTextualParser0.binders) ;
367 dom, $2, ids_and_indexes, mk_types
371 ID LPAREN NUM RPAREN COLON expr
372 { let dom,mk_expr = $6 in
373 dom, [$1,$3], function interp -> [mk_expr interp]
375 | ID LPAREN NUM RPAREN COLON expr SEMICOLON fixfunsdecl
376 { let dom1,mk_expr = $6 in
377 let dom2,ids_and_indexes,mk_types = $8 in
378 let dom = union dom1 dom2 in
379 dom, ($1,$3)::ids_and_indexes,
380 function interp -> (mk_expr interp)::(mk_types interp)
384 COFIX ID LCURLY cofixfunsdecl RCURLY
385 { let dom,ids,mk_types = $4 in
387 List.rev_map (function name -> Some (Name name)) ids
389 CicTextualParser0.binders := bs@(!CicTextualParser0.binders) ;
390 dom, $2, ids, mk_types
395 { let dom,mk_expr = $3 in
396 dom, [$1], function interp -> [mk_expr interp]
398 | ID COLON expr SEMICOLON cofixfunsdecl
399 { let dom1,mk_expr = $3 in
400 let dom2,ids,mk_types = $5 in
401 let dom = union dom1 dom2 in
403 function interp -> (mk_expr interp)::(mk_types interp)
407 PROD ID COLON expr DOT
408 { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders;
409 let dom,mk_expr = $4 in
410 Cic.Name $2, (dom, function interp -> mk_expr interp)
413 { CicTextualParser0.binders := (Some Anonymous)::!CicTextualParser0.binders ;
414 let dom,mk_expr = $1 in
415 Anonymous, (dom, function interp -> mk_expr interp)
417 | LPAREN expr RPAREN ARROW
418 { CicTextualParser0.binders := (Some Anonymous)::!CicTextualParser0.binders ;
419 let dom,mk_expr = $2 in
420 Anonymous, (dom, function interp -> mk_expr interp)
423 { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders;
424 let newmeta = new_meta () in
425 let new_canonical_context = [] in
427 identity_relocation_list_for_metavariable new_canonical_context
429 CicTextualParser0.metasenv :=
430 [newmeta, new_canonical_context, Sort Type ;
431 newmeta+1, new_canonical_context, Meta (newmeta,irl)
432 ] @ !CicTextualParser0.metasenv ;
433 Cic.Name $2, ([], function _ -> Meta (newmeta+1,irl))
437 LAMBDA ID COLON expr DOT
438 { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders;
439 let dom,mk_expr = $4 in
440 Cic.Name $2, (dom, function interp -> mk_expr interp)
443 { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders;
444 let newmeta = new_meta () in
445 let new_canonical_context = [] in
447 identity_relocation_list_for_metavariable new_canonical_context
449 CicTextualParser0.metasenv :=
450 [newmeta, new_canonical_context, Sort Type ;
451 newmeta+1, new_canonical_context, Meta (newmeta,irl)
452 ] @ !CicTextualParser0.metasenv ;
453 Cic.Name $2, ([], function _ -> Meta (newmeta+1,irl))
457 LAMBDA ID LETIN expr DOT
458 { CicTextualParser0.binders := (Some (Name $2))::!CicTextualParser0.binders ;
459 let dom,mk_expr = $4 in
460 Cic.Name $2, (dom, function interp -> mk_expr interp)
464 { [], function _ -> [] }
465 | expr SEMICOLON branches
466 { let dom1,mk_expr = $1 in
467 let dom2,mk_branches = $3 in
468 let dom = union dom1 dom2 in
469 dom, function interp -> (mk_expr interp)::(mk_branches interp)
472 { let dom,mk_expr = $1 in
473 dom, function interp -> [mk_expr interp]
478 { [], function _ -> [] }
480 { let dom1,mk_expr = $1 in
481 let dom2,mk_exprlist = $2 in
482 let dom = union dom1 dom2 in
483 dom, function interp -> (mk_expr interp)::(mk_exprlist interp)
488 { let dom,mk_expr = $1 in
489 dom, function interp -> [mk_expr interp]
491 | expr SEMICOLON exprseplist
492 { let dom1,mk_expr = $1 in
493 let dom2,mk_exprseplist = $3 in
494 let dom = union dom1 dom2 in
495 dom, function interp -> (mk_expr interp)::(mk_exprseplist interp)
499 { [], function _ -> [] }
500 | expr SEMICOLON substitutionlist
501 { let dom1,mk_expr = $1 in
502 let dom2,mk_substitutionlist = $3 in
503 let dom = union dom1 dom2 in
505 function interp ->(Some (mk_expr interp))::(mk_substitutionlist interp)
507 | NONE SEMICOLON substitutionlist
508 { let dom,mk_exprsubstitutionlist = $3 in
509 dom, function interp -> None::(mk_exprsubstitutionlist interp)