diff options
author | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2015-10-06 19:09:10 +0200 |
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committer | Pierre-Marie Pédrot <pierre-marie.pedrot@inria.fr> | 2015-10-06 20:09:06 +0200 |
commit | 84add29c036735ceacde73ea98a9a5a454a5e3a0 (patch) | |
tree | baee8c0b023277d43366996685503c9d1f855413 /kernel/univ.mli | |
parent | c4db6fc1086d984fd983ff9a6797ad108d220b98 (diff) |
Splitting kernel universe code in two modules.
1. The Univ module now only cares about definitions about universes.
2. The UGraph module contains the algorithm responsible for aciclicity.
Diffstat (limited to 'kernel/univ.mli')
-rw-r--r-- | kernel/univ.mli | 54 |
1 files changed, 6 insertions, 48 deletions
diff --git a/kernel/univ.mli b/kernel/univ.mli index 4cc8a2528..dbbc83262 100644 --- a/kernel/univ.mli +++ b/kernel/univ.mli @@ -40,6 +40,9 @@ sig val pr : t -> Pp.std_ppcmds (** Pretty-printing *) + val to_string : t -> string + (** Debug printing *) + val var : int -> t val var_index : t -> int option @@ -115,6 +118,9 @@ sig val type1 : t (** the universe of the type of Prop/Set *) + + val exists : (Level.t * int -> bool) -> t -> bool + val for_all : (Level.t * int -> bool) -> t -> bool end type universe = Universe.t @@ -148,31 +154,6 @@ val univ_level_mem : universe_level -> universe -> bool val univ_level_rem : universe_level -> universe -> universe -> universe -(** {6 Graphs of universes. } *) - -type universes - -type 'a check_function = universes -> 'a -> 'a -> bool -val check_leq : universe check_function -val check_eq : universe check_function - -(** The empty graph of universes *) -val empty_universes : universes - -(** The initial graph of universes: Prop < Set *) -val initial_universes : universes - -val is_initial_universes : universes -> bool - -val sort_universes : universes -> universes - -(** Adds a universe to the graph, ensuring it is >= or > Set. - @raises AlreadyDeclared if the level is already declared in the graph. *) - -exception AlreadyDeclared - -val add_universe : universe_level -> bool -> universes -> universes - (** {6 Constraints. } *) type constraint_type = Lt | Le | Eq @@ -203,12 +184,6 @@ val enforce_leq : universe constraint_function val enforce_eq_level : universe_level constraint_function val enforce_leq_level : universe_level constraint_function -(** {6 ... } *) -(** Merge of constraints in a universes graph. - The function [merge_constraints] merges a set of constraints in a given - universes graph. It raises the exception [UniverseInconsistency] if the - constraints are not satisfiable. *) - (** Type explanation is used to decorate error messages to provide useful explanation why a given constraint is rejected. It is composed of a path of universes and relation kinds [(r1,u1);..;(rn,un)] means @@ -226,14 +201,6 @@ type univ_inconsistency = constraint_type * universe * universe * explanation op exception UniverseInconsistency of univ_inconsistency -val enforce_constraint : univ_constraint -> universes -> universes -val merge_constraints : constraints -> universes -> universes - -val constraints_of_universes : universes -> constraints - -val check_constraint : universes -> univ_constraint -> bool -val check_constraints : constraints -> universes -> bool - (** {6 Support for universe polymorphism } *) (** Polymorphic maps from universe levels to 'a *) @@ -309,8 +276,6 @@ sig val levels : t -> LSet.t (** The set of levels in the instance *) - val check_eq : t check_function - (** Check equality of instances w.r.t. a universe graph *) end type universe_instance = Instance.t @@ -424,7 +389,6 @@ val instantiate_univ_constraints : universe_instance -> universe_context -> cons (** {6 Pretty-printing of universes. } *) -val pr_universes : (Level.t -> Pp.std_ppcmds) -> universes -> Pp.std_ppcmds val pr_constraint_type : constraint_type -> Pp.std_ppcmds val pr_constraints : (Level.t -> Pp.std_ppcmds) -> constraints -> Pp.std_ppcmds val pr_universe_context : (Level.t -> Pp.std_ppcmds) -> universe_context -> Pp.std_ppcmds @@ -435,12 +399,6 @@ val explain_universe_inconsistency : (Level.t -> Pp.std_ppcmds) -> val pr_universe_level_subst : universe_level_subst -> Pp.std_ppcmds val pr_universe_subst : universe_subst -> Pp.std_ppcmds -(** {6 Dumping to a file } *) - -val dump_universes : - (constraint_type -> string -> string -> unit) -> - universes -> unit - (** {6 Hash-consing } *) val hcons_univ : universe -> universe |