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(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
(* Detection of partial matches and unused match cases. *)
open Asttypes
open Typedtree
open Types
val pretty_const : constant -> string
val top_pretty : Format.formatter -> pattern -> unit
val pretty_pat : pattern -> unit
val pretty_line : pattern list -> unit
val pretty_matrix : pattern list list -> unit
val omega : pattern
val omegas : int -> pattern list
val omega_list : 'a list -> pattern list
val normalize_pat : pattern -> pattern
val all_record_args :
(Longident.t loc * label_description * pattern) list ->
(Longident.t loc * label_description * pattern) list
val const_compare : constant -> constant -> int
val le_pat : pattern -> pattern -> bool
val le_pats : pattern list -> pattern list -> bool
val compat : pattern -> pattern -> bool
val compats : pattern list -> pattern list -> bool
exception Empty
val lub : pattern -> pattern -> pattern
val lubs : pattern list -> pattern list -> pattern list
val get_mins : ('a -> 'a -> bool) -> 'a list -> 'a list
(* Those two functions recombine one pattern and its arguments:
For instance:
(_,_)::p1::p2::rem -> (p1, p2)::rem
The second one will replace mutable arguments by '_'
*)
val set_args : pattern -> pattern list -> pattern list
val set_args_erase_mutable : pattern -> pattern list -> pattern list
val pat_of_constr : pattern -> constructor_description -> pattern
val complete_constrs :
pattern -> constructor_tag list -> constructor_description list
val ppat_of_type :
Env.t -> type_expr ->
Parsetree.pattern *
(string, constructor_description) Hashtbl.t *
(string, label_description) Hashtbl.t
val pressure_variants: Env.t -> pattern list -> unit
val check_partial_gadt:
((string, constructor_description) Hashtbl.t ->
(string, label_description) Hashtbl.t ->
Parsetree.pattern -> pattern option) ->
Location.t -> case list -> partial
val check_unused:
(bool ->
(string, constructor_description) Hashtbl.t ->
(string, label_description) Hashtbl.t ->
Parsetree.pattern -> pattern option) ->
case list -> unit
(* Irrefutability tests *)
val irrefutable : pattern -> bool
val fluid : pattern -> bool
(* Ambiguous bindings *)
val check_ambiguous_bindings : case list -> unit