Backend_var
Variables used in the backend, optionally equipped with "provenance" information, used for the emission of debugging information.
include module type of struct include Ident end
type t = Ident.t
include Identifiable.S with type t := t
module T = Ident.T
include Identifiable.Thing with type t := T.t
include Hashtbl.HashedType with type t := T.t
val hash : T.t -> int
A hashing function on keys. It must be such that if two keys are equal according to equal
, then they have identical hash values as computed by hash
. Examples: suitable (equal
, hash
) pairs for arbitrary key types include
(=)
, hash
) for comparing objects by structure (provided objects do not contain floats)(fun x y -> compare x y = 0)
, hash
) for comparing objects by structure and handling Stdlib.nan
correctly(==)
, hash
) for comparing objects by physical equality (e.g. for mutable or cyclic objects).include Map.OrderedType with type t := T.t
A total ordering function over the keys. This is a two-argument function f
such that f e1 e2
is zero if the keys e1
and e2
are equal, f e1 e2
is strictly negative if e1
is smaller than e2
, and f e1 e2
is strictly positive if e1
is greater than e2
. Example: a suitable ordering function is the generic structural comparison function Stdlib.compare
.
val output : out_channel -> T.t -> unit
val print : Format.formatter -> T.t -> unit
module Set = Ident.Set
module Map = Ident.Map
module Tbl = Ident.Tbl
val print_with_scope : Format.formatter -> t -> unit
Same as print
except that it will also add a "n
" suffix if the scope of the argument is n
.
val create_scoped : scope:int -> string -> t
val create_local : string -> t
val create_persistent : string -> t
val create_predef : string -> t
Creates an identifier with the same name as the input, a fresh stamp, and no scope.
val name : t -> string
val unique_name : t -> string
val unique_toplevel_name : t -> string
val persistent : t -> bool
Compare identifiers by binding location. Two identifiers are the same either if they are both non-persistent and have been created by the same call to create_*
, or if they are both persistent and have the same name.
val global : t -> bool
val is_predef : t -> bool
val scope : t -> int
type 'a tbl = 'a Ident.tbl
val empty : 'a tbl
type backend_var = t
module Provenance : sig ... end
module With_provenance : sig ... end