diff options
| author | SimonBoulier | 2018-11-05 11:18:08 +0100 |
|---|---|---|
| committer | SimonBoulier | 2019-08-16 11:43:51 +0200 |
| commit | bc4560fa6c88aadcb2ee8312a950a7ce17fc33ee (patch) | |
| tree | ae0d5cf3ee6c859d833c7168fe9d21a8fa3b3abd /kernel | |
| parent | d72acd6f1a5abb8066b6922e5e972fa17b215591 (diff) | |
Split the [check_guarded] typing_flag into [check_guarded] (for (co)fixpoints) and [check_positive] (for (co)inductive types).
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/declarations.ml | 4 | ||||
| -rw-r--r-- | kernel/declareops.ml | 1 | ||||
| -rw-r--r-- | kernel/indtypes.ml | 2 |
3 files changed, 6 insertions, 1 deletions
diff --git a/kernel/declarations.ml b/kernel/declarations.ml index dff19dee5e..8d32684b09 100644 --- a/kernel/declarations.ml +++ b/kernel/declarations.ml @@ -66,6 +66,10 @@ type typing_flags = { (** If [false] then fixed points and co-fixed points are assumed to be total. *) + check_positive : bool; + (** If [false] then inductive types are assumed positive and co-inductive + types are assumed productive. *) + check_universes : bool; (** If [false] universe constraints are not checked *) diff --git a/kernel/declareops.ml b/kernel/declareops.ml index 7a553700e8..391b139496 100644 --- a/kernel/declareops.ml +++ b/kernel/declareops.ml @@ -19,6 +19,7 @@ module RelDecl = Context.Rel.Declaration let safe_flags oracle = { check_guarded = true; + check_positive = true; check_universes = true; conv_oracle = oracle; share_reduction = true; diff --git a/kernel/indtypes.ml b/kernel/indtypes.ml index b0366d6ec0..aa3ef715db 100644 --- a/kernel/indtypes.ml +++ b/kernel/indtypes.ml @@ -546,7 +546,7 @@ let check_inductive env kn mie = (* First type-check the inductive definition *) let (env_ar_par, univs, variance, record, paramsctxt, inds) = IndTyping.typecheck_inductive env mie in (* Then check positivity conditions *) - let chkpos = (Environ.typing_flags env).check_guarded in + let chkpos = (Environ.typing_flags env).check_positive in let names = Array.map_of_list (fun entry -> entry.mind_entry_typename, entry.mind_entry_consnames) mie.mind_entry_inds in |