let proof,goal = status in
let curi, metasenv, _subst, pbo, pty, attrs = proof in
let (metano,context,gty) = CicUtil.lookup_meta goal metasenv in
- let gsort,_ =
- CicTypeChecker.type_of_aux' metasenv context gty CicUniv.oblivion_ugraph in
match hyps_pat with
he::(_::_ as tl) ->
PET.apply_tactic
match hyps_pat with
[] -> None,true,(fun ~term _ -> P.exact_tac term),concl_pat,gty
| [name,pat] ->
- let rec find_hyp n =
- function
- [] -> assert false
- | Some (Cic.Name s,Cic.Decl ty)::_ when name = s ->
- Cic.Rel n, S.lift n ty
- | Some (Cic.Name s,Cic.Def _)::_ when name = s -> assert false (*CSC: not implemented yet! But does this make any sense?*)
- | _::tl -> find_hyp (n+1) tl
- in
- let arg,gty = find_hyp 1 context in
+ let arg,gty = ProofEngineHelpers.find_hyp name context in
let dummy = "dummy" in
Some arg,false,
(fun ~term typ ->
Some pat,gty
| _::_ -> assert false
in
+ let gsort,_ =
+ CicTypeChecker.type_of_aux' metasenv context gty CicUniv.oblivion_ugraph in
let if_right_to_left do_not_change a b =
match direction with
| `RightToLeft -> if do_not_change then a else b
in
let ty_eq,ugraph =
CicTypeChecker.type_of_aux' metasenv context equality
- CicUniv.empty_ugraph in
+ CicUniv.oblivion_ugraph in
let (ty_eq,metasenv',arguments,fresh_meta) =
TermUtil.saturate_term
(ProofEngineHelpers.new_meta_of_proof proof) metasenv context ty_eq 0 in
let t1 = CicMetaSubst.apply_subst subst t1 in
let t2 = CicMetaSubst.apply_subst subst t2 in
let ty = CicMetaSubst.apply_subst subst ty in
- let pbo = CicMetaSubst.apply_subst subst pbo in
+ let pbo = lazy (CicMetaSubst.apply_subst subst (Lazy.force pbo)) in
let pty = CicMetaSubst.apply_subst subst pty in
let equality = CicMetaSubst.apply_subst subst equality in
let abstr_gty =
in
(proof',goals)
with (* FG: this should be PET.Fail _ *)
- TC.TypeCheckerFailure _ ->
- let msg = lazy "rewrite: nothing to rewrite" in
+ TC.TypeCheckerFailure m ->
+ let msg = lazy ("rewrite: "^ Lazy.force m) in
raise (PET.Fail msg)
in
PET.mk_tactic _rewrite_tac
in
let context_len = List.length context in
let subst,metasenv,u,_,selected_terms_with_context =
- ProofEngineHelpers.select ~metasenv ~ugraph:CicUniv.empty_ugraph
+ ProofEngineHelpers.select ~metasenv ~ugraph:CicUniv.oblivion_ugraph
~conjecture ~pattern in
let metasenv = CicMetaSubst.apply_subst_metasenv subst metasenv in
let with_what, metasenv, u = with_what context metasenv u in
let with_what = CicMetaSubst.apply_subst subst with_what in
- let pbo = CicMetaSubst.apply_subst subst pbo in
+ let pbo = lazy (CicMetaSubst.apply_subst subst (Lazy.force pbo)) in
let pty = CicMetaSubst.apply_subst subst pty in
let status = (uri,metasenv,_subst,pbo,pty, attrs),goal in
let ty_of_with_what,u =
CicTypeChecker.type_of_aux'
- metasenv context with_what CicUniv.empty_ugraph in
+ metasenv context with_what CicUniv.oblivion_ugraph in
let whats =
match selected_terms_with_context with
[] -> raise (ProofEngineTypes.Fail (lazy "Replace: no term selected"))
(lazy "Replace: one of the selected terms is not closed")) in
let ty_of_t_in_context,u = (* TASSI: FIXME *)
CicTypeChecker.type_of_aux' metasenv context t_in_context
- CicUniv.empty_ugraph in
+ CicUniv.oblivion_ugraph in
let b,u = CicReduction.are_convertible ~metasenv context
ty_of_with_what ty_of_t_in_context u in
if b then