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-rw-r--r--pretyping/detyping.ml14
-rw-r--r--pretyping/glob_ops.ml10
-rw-r--r--pretyping/patternops.ml6
-rw-r--r--pretyping/pretyping.ml5
-rw-r--r--pretyping/typing.mli1
5 files changed, 27 insertions, 9 deletions
diff --git a/pretyping/detyping.ml b/pretyping/detyping.ml
index 23993243f4..754e881398 100644
--- a/pretyping/detyping.ml
+++ b/pretyping/detyping.ml
@@ -581,12 +581,7 @@ and detype_r d flags avoid env sigma t =
| Const (sp,u) -> GRef (ConstRef sp, detype_instance sigma u)
| Proj (p,c) ->
let noparams () =
- let pb = Environ.lookup_projection p (snd env) in
- let pars = pb.Declarations.proj_npars in
- let hole = DAst.make @@ GHole(Evar_kinds.InternalHole,Misctypes.IntroAnonymous,None) in
- let args = List.make pars hole in
- GApp (DAst.make @@ GRef (ConstRef (Projection.constant p), None),
- (args @ [detype d flags avoid env sigma c]))
+ GProj (p, detype d flags avoid env sigma c)
in
if fst flags || !Flags.in_debugger || !Flags.in_toplevel then
try noparams ()
@@ -1002,6 +997,13 @@ let rec subst_glob_constr subst = DAst.map (function
let r1' = subst_glob_constr subst r1 in
let k' = Miscops.smartmap_cast_type (subst_glob_constr subst) k in
if r1' == r1 && k' == k then raw else GCast (r1',k')
+
+ | GProj (p,c) as raw ->
+ let kn = Projection.constant p in
+ let b = Projection.unfolded p in
+ let kn' = subst_constant subst kn in
+ let c' = subst_glob_constr subst c in
+ if kn' == kn && c' == c then raw else GProj(Projection.make kn' b, c')
)
(* Utilities to transform kernel cases to simple pattern-matching problem *)
diff --git a/pretyping/glob_ops.ml b/pretyping/glob_ops.ml
index 093f1f0b68..a21137a05c 100644
--- a/pretyping/glob_ops.ml
+++ b/pretyping/glob_ops.ml
@@ -133,8 +133,10 @@ let mk_glob_constr_eq f c1 c2 = match DAst.get c1, DAst.get c2 with
Miscops.intro_pattern_naming_eq nam1 nam2
| GCast (c1, t1), GCast (c2, t2) ->
f c1 c2 && cast_type_eq f t1 t2
+ | GProj (p1, t1), GProj (p2, t2) ->
+ Projection.equal p1 p2 && f t1 t2
| (GRef _ | GVar _ | GEvar _ | GPatVar _ | GApp _ | GLambda _ | GProd _ | GLetIn _ |
- GCases _ | GLetTuple _ | GIf _ | GRec _ | GSort _ | GHole _ | GCast _), _ -> false
+ GCases _ | GLetTuple _ | GIf _ | GRec _ | GSort _ | GHole _ | GCast _ | GProj _), _ -> false
let rec glob_constr_eq c = mk_glob_constr_eq glob_constr_eq c
@@ -180,6 +182,8 @@ let map_glob_constr_left_to_right f = DAst.map (function
let comp1 = f c in
let comp2 = Miscops.map_cast_type f k in
GCast (comp1,comp2)
+ | GProj (p,c) ->
+ GProj (p, f c)
| (GVar _ | GSort _ | GHole _ | GRef _ | GEvar _ | GPatVar _) as x -> x
)
@@ -212,6 +216,8 @@ let fold_glob_constr f acc = DAst.with_val (function
let acc = match k with
| CastConv t | CastVM t | CastNative t -> f acc t | CastCoerce -> acc in
f acc c
+ | GProj(_,c) ->
+ f acc c
| (GSort _ | GHole _ | GRef _ | GEvar _ | GPatVar _) -> acc
)
@@ -253,6 +259,8 @@ let fold_glob_constr_with_binders g f v acc = DAst.(with_val (function
let acc = match k with
| CastConv t | CastVM t | CastNative t -> f v acc t | CastCoerce -> acc in
f v acc c
+ | GProj(_,c) ->
+ f v acc c
| (GSort _ | GHole _ | GRef _ | GEvar _ | GPatVar _) -> acc))
let iter_glob_constr f = fold_glob_constr (fun () -> f) ()
diff --git a/pretyping/patternops.ml b/pretyping/patternops.ml
index 41e09004c6..1bec4a6f15 100644
--- a/pretyping/patternops.ml
+++ b/pretyping/patternops.ml
@@ -137,8 +137,7 @@ let rec head_pattern_bound t =
| PCase (_,p,c,br) -> head_pattern_bound c
| PRef r -> r
| PVar id -> VarRef id
- | PProj (p,c) -> ConstRef (Projection.constant p)
- | PEvar _ | PRel _ | PMeta _ | PSoApp _ | PSort _ | PFix _
+ | PEvar _ | PRel _ | PMeta _ | PSoApp _ | PSort _ | PFix _ | PProj _
-> raise BoundPattern
(* Perhaps they were arguments, but we don't beta-reduce *)
| PLambda _ -> raise BoundPattern
@@ -446,6 +445,9 @@ let rec pat_of_raw metas vars = DAst.with_loc_val (fun ?loc -> function
one non-trivial branch. These facts are used in [Constrextern]. *)
PCase (info, pred, pat_of_raw metas vars c, brs)
+ | GProj(p,c) ->
+ PProj(p, pat_of_raw metas vars c)
+
| GPatVar _ | GIf _ | GLetTuple _ | GCases _ | GEvar _ | GRec _ ->
err ?loc (Pp.str "Non supported pattern."))
diff --git a/pretyping/pretyping.ml b/pretyping/pretyping.ml
index b930c5db83..33dd1344fd 100644
--- a/pretyping/pretyping.ml
+++ b/pretyping/pretyping.ml
@@ -738,6 +738,11 @@ let rec pretype k0 resolve_tc (tycon : type_constraint) (env : ExtraEnv.t) evdre
let j = pretype_sort ?loc evdref s in
inh_conv_coerce_to_tycon ?loc env evdref j tycon
+ | GProj (p, c) ->
+ (* TODO: once GProj is used as an input syntax, use bidirectional typing here *)
+ let cj = pretype empty_tycon env evdref lvar c in
+ judge_of_projection env.ExtraEnv.env !evdref p cj
+
| GApp (f,args) ->
let fj = pretype empty_tycon env evdref lvar f in
let floc = loc_of_glob_constr f in
diff --git a/pretyping/typing.mli b/pretyping/typing.mli
index 9f084ae8df..153a48a710 100644
--- a/pretyping/typing.mli
+++ b/pretyping/typing.mli
@@ -53,3 +53,4 @@ val judge_of_abstraction : Environ.env -> Name.t ->
unsafe_type_judgment -> unsafe_judgment -> unsafe_judgment
val judge_of_product : Environ.env -> Name.t ->
unsafe_type_judgment -> unsafe_type_judgment -> unsafe_judgment
+val judge_of_projection : env -> evar_map -> projection -> unsafe_judgment -> unsafe_judgment