| C.Cast (te,ty) -> C.Cast (unwind_aux m te, unwind_aux m ty) (*CSC ???*)
| C.Prod (n,s,t) -> C.Prod (n, unwind_aux m s, unwind_aux (m + 1) t)
| C.Lambda (n,s,t) -> C.Lambda (n, unwind_aux m s, unwind_aux (m + 1) t)
- | C.LetIn (n,s,t) -> C.LetIn (n, unwind_aux m s, unwind_aux (m + 1) t)
+ | C.LetIn (n,s,ty,t) ->
+ C.LetIn (n, unwind_aux m s, unwind_aux m ty, unwind_aux (m + 1) t)
| C.Appl l -> C.Appl (List.map (unwind_aux m) l)
| C.Const (uri,exp_named_subst) ->
let params =
function
(k, e, _, C.Rel n, s) as config ->
let config' =
- try
- Some (RS.from_env (List.nth e (n-1)))
- with
- Failure _ ->
- try
- begin
- match List.nth context (n - 1 - k) with
- None -> assert false
- | Some (_,C.Decl _) -> None
- | Some (_,C.Def (x,_)) -> Some (0,[],[],S.lift (n - k) x,[])
- end
- with
- Failure _ -> None
+ if not delta then None
+ else
+ try
+ Some (RS.from_env (List.nth e (n-1)))
+ with
+ Failure _ ->
+ try
+ begin
+ match List.nth context (n - 1 - k) with
+ None -> assert false
+ | Some (_,C.Decl _) -> None
+ | Some (_,C.Def (x,_)) -> Some (0,[],[],S.lift (n - k) x,[])
+ end
+ with
+ Failure _ -> None
in
(match config' with
Some (k',e',ens',t',s') -> reduce (k',e',ens',t',s'@s)
| (_, _, _, C.Lambda _, []) as config -> config
| (k, e, ens, C.Lambda (_,_,t), p::s) ->
reduce (k+1, (RS.stack_to_env ~reduce ~unwind p)::e, ens, t,s)
- | (k, e, ens, C.LetIn (_,m,t), s) ->
+ | (k, e, ens, C.LetIn (_,m,_,t), s) ->
let m' = RS.compute_to_env ~reduce ~unwind k e ens m in
reduce (k+1, m'::e, ens, t, s)
| (_, _, _, C.Appl [], _) -> assert false
t1 t2 ugraph'
else
false,ugraph
- | (C.LetIn (name1,s1,t1), C.LetIn(_,s2,t2)) ->
+ | (C.LetIn (name1,s1,ty1,t1), C.LetIn(_,s2,ty2,t2)) ->
let b',ugraph' = aux test_equality_only context s1 s2 ugraph in
if b' then
- aux test_equality_only
- ((Some (name1, (C.Def (s1,None))))::context) t1 t2 ugraph'
+ let b',ugraph = aux test_equality_only context ty1 ty2 ugraph in
+ if b' then
+ aux test_equality_only
+ ((Some (name1, (C.Def (s1,ty1))))::context) t1 t2 ugraph'
+ else
+ false,ugraph
else
false,ugraph
| (C.Appl l1, C.Appl l2) ->
| C.Lambda (n,s,t) ->
let s' = aux ctx s in
C.Lambda (n, s', aux ((decl n s')::ctx) t)
- | C.LetIn (n,s,t) ->
+ | C.LetIn (n,s,_,t) ->
(* the term is already in weak head normal form *)
assert false
| C.Appl (h::l) -> C.Appl (h::(List.map (aux ctx) l))