blob: f71d83d8531a2f0b92a0fea79567f21ba45345a8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Univ
(** {6 Graphs of universes. } *)
type t
type universes = t
[@@ocaml.deprecated "Use UGraph.t"]
type 'a check_function = t -> 'a -> 'a -> bool
val check_leq : Universe.t check_function
val check_eq : Universe.t check_function
val check_eq_level : Level.t check_function
(** The initial graph of universes: Prop < Set *)
val initial_universes : t
(** Check if we are in the initial case *)
val is_initial_universes : t -> bool
(** Check equality of instances w.r.t. a universe graph *)
val check_eq_instances : Instance.t check_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. *)
val enforce_constraint : univ_constraint -> t -> t
val merge_constraints : Constraint.t -> t -> t
val check_constraint : t -> univ_constraint -> bool
val check_constraints : Constraint.t -> t -> bool
(** 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 : Level.t -> bool -> t -> t
(** {6 Pretty-printing of universes. } *)
val pr_universes : (Level.t -> Pp.t) -> t -> Pp.t
(** The empty graph of universes *)
val empty_universes : t
[@@ocaml.deprecated "Use UGraph.initial_universes"]
val sort_universes : t -> t
val constraints_of_universes : t -> Constraint.t
val check_subtype : AUContext.t check_function
(** [check_subtype univ ctx1 ctx2] checks whether [ctx2] is an instance of
[ctx1]. *)
(** {6 Dumping to a file } *)
val dump_universes :
(constraint_type -> string -> string -> unit) -> t -> unit
(** {6 Debugging} *)
val check_universes_invariants : t -> unit
|
