| None -> raise RelToHiddenHypothesis
)
| C.Var (uri,exp_named_subst) as t ->
- (match CicEnvironment.get_cooked_obj ~trust:false uri with
+ let o,_ =
+ CicEnvironment.get_cooked_obj ~trust:false uri CicUniv.empty_ugraph
+ in
+ (match o with
C.Constant _ -> raise ReferenceToConstant
| C.CurrentProof _ -> raise ReferenceToCurrentProof
| C.InductiveDefinition _ -> raise ReferenceToInductiveDefinition
| C.Appl (he::tl) -> whdaux (tl@l) he
| C.Appl [] -> raise (Impossible 1)
| C.Const (uri,exp_named_subst) as t ->
- (match CicEnvironment.get_cooked_obj ~trust:false uri with
+ let o,_ =
+ CicEnvironment.get_cooked_obj ~trust:false uri CicUniv.empty_ugraph
+ in
+ (match o with
C.Constant (_,Some body,_,_) ->
whdaux l (CicSubstitution.subst_vars exp_named_subst body)
| C.Constant _ -> if l = [] then t else C.Appl (t::l)
C.MutConstruct (_,_,j,_) -> whdaux l (List.nth pl (j-1))
| C.Appl (C.MutConstruct (_,_,j,_) :: tl) ->
let (arity, r) =
- match CicEnvironment.get_obj mutind with
+ let o,_ = CicEnvironment.get_obj mutind CicUniv.empty_ugraph in
+ match o with
C.InductiveDefinition (tl,ingredients,r) ->
let (_,_,arity,_) = List.nth tl i in
(arity,r)
;;
(* t1, t2 must be well-typed *)
-let are_convertible =
+let are_convertible c t1 t2 ugraph =
let module U = UriManager in
- let rec aux test_equality_only context t1 t2 =
- let aux2 test_equality_only t1 t2 =
+ let rec aux test_equality_only context t1 t2 ugraph =
+ let aux2 test_equality_only t1 t2 ugraph =
(* this trivial euristic cuts down the total time of about five times ;-) *)
(* this because most of the time t1 and t2 are "sintactically" the same *)
if t1 = t2 then
- true
+ true,ugraph
else
begin
let module C = Cic in
match (t1,t2) with
- (C.Rel n1, C.Rel n2) -> n1 = n2
+ (C.Rel n1, C.Rel n2) -> (n1 = n2),ugraph
| (C.Var (uri1,exp_named_subst1), C.Var (uri2,exp_named_subst2)) ->
- U.eq uri1 uri2 &&
+ let b = U.eq uri1 uri2 in
+ if b then
(try
List.fold_right2
- (fun (uri1,x) (uri2,y) b ->
- U.eq uri1 uri2 && aux test_equality_only context x y && b
- ) exp_named_subst1 exp_named_subst2 true
+ (fun (uri1,x) (uri2,y) (b,ugraph) ->
+ (* FIXME: lazy! *)
+ let b',ugraph' = aux test_equality_only context x y ugraph in
+ (U.eq uri1 uri2 && b' && b),ugraph'
+ ) exp_named_subst1 exp_named_subst2 (true,ugraph)
with
- Invalid_argument _ -> false
+ Invalid_argument _ -> false,ugraph
)
+ else
+ false,ugraph
| (C.Meta (n1,l1), C.Meta (n2,l2)) ->
- n1 = n2 &&
+ let b = n1 = n2 in
+ if b then
List.fold_left2
- (fun b t1 t2 ->
- b &&
- match t1,t2 with
+ (fun (b,ugraph) t1 t2 ->
+ if b then
+ match t1,t2 with
None,_
- | _,None -> true
- | Some t1',Some t2' -> aux test_equality_only context t1' t2'
- ) true l1 l2
+ | _,None -> true,ugraph
+ | Some t1',Some t2' ->
+ aux test_equality_only context t1' t2' ugraph
+ else
+ false,ugraph
+ ) (true,ugraph) l1 l2
+ else
+ false,ugraph
(* TASSI: CONSTRAINTS *)
| (C.Sort (C.Type t1), C.Sort (C.Type t2)) when test_equality_only ->
- CicUniv.add_eq t2 t1
+ true,(CicUniv.add_eq t2 t1 ugraph)
(* TASSI: CONSTRAINTS *)
| (C.Sort (C.Type t1), C.Sort (C.Type t2)) ->
- CicUniv.add_ge t2 t1
+ true,(CicUniv.add_ge t2 t1 ugraph)
(* TASSI: CONSTRAINTS *)
- | (C.Sort s1, C.Sort (C.Type _)) -> not test_equality_only
+ | (C.Sort s1, C.Sort (C.Type _)) -> (not test_equality_only),ugraph
(* TASSI: CONSTRAINTS *)
- | (C.Sort s1, C.Sort s2) -> s1 = s2
+ | (C.Sort s1, C.Sort s2) -> (s1 = s2),ugraph
| (C.Prod (name1,s1,t1), C.Prod(_,s2,t2)) ->
- aux true context s1 s2 &&
- aux test_equality_only ((Some (name1, (C.Decl s1)))::context) t1 t2
+ let b',ugraph' = aux true context s1 s2 ugraph in
+ if b' then
+ aux test_equality_only ((Some (name1, (C.Decl s1)))::context)
+ t1 t2 ugraph'
+ else
+ false,ugraph
| (C.Lambda (name1,s1,t1), C.Lambda(_,s2,t2)) ->
- aux test_equality_only context s1 s2 &&
- aux test_equality_only ((Some (name1, (C.Decl s1)))::context) t1 t2
+ let b',ugraph' = aux test_equality_only context s1 s2 ugraph in
+ if b' then
+ aux test_equality_only ((Some (name1, (C.Decl s1)))::context)
+ t1 t2 ugraph'
+ else
+ false,ugraph
| (C.LetIn (name1,s1,t1), C.LetIn(_,s2,t2)) ->
- aux test_equality_only context s1 s2 &&
+ 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
+ ((Some (name1, (C.Def (s1,None))))::context) t1 t2 ugraph'
+ else
+ false,ugraph
| (C.Appl l1, C.Appl l2) ->
(try
List.fold_right2
- (fun x y b -> aux test_equality_only context x y && b) l1 l2 true
+ (fun x y (b,ugraph) ->
+ if b then
+ aux test_equality_only context x y ugraph
+ else
+ false,ugraph) l1 l2 (true,ugraph)
with
- Invalid_argument _ -> false
+ Invalid_argument _ -> false,ugraph
)
| (C.Const (uri1,exp_named_subst1), C.Const (uri2,exp_named_subst2)) ->
- U.eq uri1 uri2 &&
+ let b' = U.eq uri1 uri2 in
+ if b' then
(try
List.fold_right2
- (fun (uri1,x) (uri2,y) b ->
- U.eq uri1 uri2 && aux test_equality_only context x y && b
- ) exp_named_subst1 exp_named_subst2 true
+ (fun (uri1,x) (uri2,y) (b,ugraph) ->
+ if b && U.eq uri1 uri2 then
+ aux test_equality_only context x y ugraph
+ else
+ false,ugraph
+ ) exp_named_subst1 exp_named_subst2 (true,ugraph)
with
- Invalid_argument _ -> false
+ Invalid_argument _ -> false,ugraph
)
+ else
+ false,ugraph
| (C.MutInd (uri1,i1,exp_named_subst1),
C.MutInd (uri2,i2,exp_named_subst2)
) ->
- U.eq uri1 uri2 && i1 = i2 &&
+ let b' = U.eq uri1 uri2 && i1 = i2 in
+ if b' then
(try
List.fold_right2
- (fun (uri1,x) (uri2,y) b ->
- U.eq uri1 uri2 && aux test_equality_only context x y && b
- ) exp_named_subst1 exp_named_subst2 true
+ (fun (uri1,x) (uri2,y) (b,ugraph) ->
+ if b && U.eq uri1 uri2 then
+ aux test_equality_only context x y ugraph
+ else
+ false,ugraph
+ ) exp_named_subst1 exp_named_subst2 (true,ugraph)
with
- Invalid_argument _ -> false
+ Invalid_argument _ -> false,ugraph
)
+ else
+ false,ugraph
| (C.MutConstruct (uri1,i1,j1,exp_named_subst1),
C.MutConstruct (uri2,i2,j2,exp_named_subst2)
) ->
- U.eq uri1 uri2 && i1 = i2 && j1 = j2 &&
+ let b' = U.eq uri1 uri2 && i1 = i2 && j1 = j2 in
+ if b' then
(try
List.fold_right2
- (fun (uri1,x) (uri2,y) b ->
- U.eq uri1 uri2 && aux test_equality_only context x y && b
- ) exp_named_subst1 exp_named_subst2 true
+ (fun (uri1,x) (uri2,y) (b,ugraph) ->
+ if b && U.eq uri1 uri2 then
+ aux test_equality_only context x y ugraph
+ else
+ false,ugraph
+ ) exp_named_subst1 exp_named_subst2 (true,ugraph)
with
- Invalid_argument _ -> false
+ Invalid_argument _ -> false,ugraph
)
+ else
+ false,ugraph
| (C.MutCase (uri1,i1,outtype1,term1,pl1),
C.MutCase (uri2,i2,outtype2,term2,pl2)) ->
- U.eq uri1 uri2 && i1 = i2 &&
- aux test_equality_only context outtype1 outtype2 &&
- aux test_equality_only context term1 term2 &&
- List.fold_right2
- (fun x y b -> b && aux test_equality_only context x y)
- pl1 pl2 true
+ let b' = U.eq uri1 uri2 && i1 = i2 in
+ if b' then
+ let b'',ugraph''=aux test_equality_only context
+ outtype1 outtype2 ugraph in
+ if b'' then
+ let b''',ugraph'''= aux test_equality_only context
+ term1 term2 ugraph'' in
+ List.fold_right2
+ (fun x y (b,ugraph) ->
+ if b then
+ aux test_equality_only context x y ugraph
+ else
+ false,ugraph)
+ pl1 pl2 (true,ugraph''')
+ else
+ false,ugraph
+ else
+ false,ugraph
| (C.Fix (i1,fl1), C.Fix (i2,fl2)) ->
let tys =
List.map (function (n,_,ty,_) -> Some (C.Name n,(C.Decl ty))) fl1
in
- i1 = i2 &&
+ if i1 = i2 then
List.fold_right2
- (fun (_,recindex1,ty1,bo1) (_,recindex2,ty2,bo2) b ->
- b && recindex1 = recindex2 &&
- aux test_equality_only context ty1 ty2 &&
- aux test_equality_only (tys@context) bo1 bo2)
- fl1 fl2 true
+ (fun (_,recindex1,ty1,bo1) (_,recindex2,ty2,bo2) (b,ugraph) ->
+ if b && recindex1 = recindex2 then
+ let b',ugraph' = aux test_equality_only context ty1 ty2
+ ugraph in
+ if b' then
+ aux test_equality_only (tys@context) bo1 bo2 ugraph'
+ else
+ false,ugraph
+ else
+ false,ugraph)
+ fl1 fl2 (true,ugraph)
+ else
+ false,ugraph
| (C.CoFix (i1,fl1), C.CoFix (i2,fl2)) ->
let tys =
List.map (function (n,ty,_) -> Some (C.Name n,(C.Decl ty))) fl1
in
- i1 = i2 &&
- List.fold_right2
- (fun (_,ty1,bo1) (_,ty2,bo2) b ->
- b && aux test_equality_only context ty1 ty2 &&
- aux test_equality_only (tys@context) bo1 bo2)
- fl1 fl2 true
+ if i1 = i2 then
+ List.fold_right2
+ (fun (_,ty1,bo1) (_,ty2,bo2) (b,ugraph) ->
+ if b then
+ let b',ugraph' = aux test_equality_only context ty1 ty2
+ ugraph in
+ if b' then
+ aux test_equality_only (tys@context) bo1 bo2 ugraph'
+ else
+ false,ugraph
+ else
+ false,ugraph)
+ fl1 fl2 (true,ugraph)
+ else
+ false,ugraph
| (C.Cast _, _) | (_, C.Cast _)
| (C.Implicit _, _) | (_, C.Implicit _) ->
assert false
- | (_,_) -> false
+ | (_,_) -> false,ugraph
end
in
- if aux2 test_equality_only t1 t2 then true
+ let b,ugraph' = aux2 test_equality_only t1 t2 ugraph in
+ if b then
+ b,ugraph'
else
begin
debug t1 [t2] "PREWHD";
let t1' = whd context t1 in
let t2' = whd context t2 in
debug t1' [t2'] "POSTWHD";
- aux2 test_equality_only t1' t2'
+ aux2 test_equality_only t1' t2' ugraph
end
in
- aux false
+ aux false c t1 t2 ugraph
;;
projects / helm.git / blobdiff