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authorHugo Herbelin2018-11-02 21:40:18 +0100
committerHugo Herbelin2018-11-02 21:40:18 +0100
commit4ffb04be9b8829abb0f869fb4fd68156f4a01f95 (patch)
tree3a56067bd3f6961e82f3fa98173294da4910c220
parent2a5b7091ce0748de4b61f196657a1332fe5023b3 (diff)
parent38a2e8c383228e9cb3a3437d981d30a488f5a084 (diff)
Merge PR #8834: [error printing] Fix improper grounding of open terms in printing.
-rw-r--r--engine/eConstr.ml8
-rw-r--r--engine/eConstr.mli2
-rw-r--r--vernac/himsg.ml5
3 files changed, 12 insertions, 3 deletions
diff --git a/engine/eConstr.ml b/engine/eConstr.ml
index 3385b78958..cfc4bea85f 100644
--- a/engine/eConstr.ml
+++ b/engine/eConstr.ml
@@ -99,6 +99,14 @@ let isFix sigma c = match kind sigma c with Fix _ -> true | _ -> false
let isCoFix sigma c = match kind sigma c with CoFix _ -> true | _ -> false
let isCase sigma c = match kind sigma c with Case _ -> true | _ -> false
let isProj sigma c = match kind sigma c with Proj _ -> true | _ -> false
+
+let rec isType sigma c = match kind sigma c with
+ | Sort s -> (match ESorts.kind sigma s with
+ | Sorts.Type _ -> true
+ | _ -> false )
+ | Cast (c,_,_) -> isType sigma c
+ | _ -> false
+
let isVarId sigma id c =
match kind sigma c with Var id' -> Id.equal id id' | _ -> false
let isRelN sigma n c =
diff --git a/engine/eConstr.mli b/engine/eConstr.mli
index 1edc0ee12b..6532e08e9d 100644
--- a/engine/eConstr.mli
+++ b/engine/eConstr.mli
@@ -157,6 +157,8 @@ val isCoFix : Evd.evar_map -> t -> bool
val isCase : Evd.evar_map -> t -> bool
val isProj : Evd.evar_map -> t -> bool
+val isType : Evd.evar_map -> constr -> bool
+
type arity = rel_context * ESorts.t
val destArity : Evd.evar_map -> types -> arity
val isArity : Evd.evar_map -> t -> bool
diff --git a/vernac/himsg.ml b/vernac/himsg.ml
index 844caf5a3e..ad6ca3a84e 100644
--- a/vernac/himsg.ml
+++ b/vernac/himsg.ml
@@ -391,11 +391,10 @@ let explain_unexpected_type env sigma actual_type expected_type =
str "where" ++ spc () ++ prexp ++ str " was expected."
let explain_not_product env sigma c =
- let c = EConstr.to_constr sigma c in
- let pr = pr_lconstr_env env sigma c in
+ let pr = pr_econstr_env env sigma c in
str "The type of this term is a product" ++ spc () ++
str "while it is expected to be" ++
- (if Constr.is_Type c then str " a sort" else (brk(1,1) ++ pr)) ++ str "."
+ (if EConstr.isType sigma c then str " a sort" else (brk(1,1) ++ pr)) ++ str "."
(* TODO: use the names *)
(* (co)fixpoints *)