Refactor syntax versioning management
Now, the version of the main language as well as the version of extensions is passed through the user context of sexp parsers. Signed-off-by: Jeremie Dimino <jeremie@dimino.org>
This commit is contained in:
Jeremie Dimino
parent
2d1765285a
commit
43f274b323
|
|
@ -122,64 +122,94 @@ type t =
|
|||
}
|
||||
|
||||
module Lang = struct
|
||||
type t = Syntax.Version.t * Stanza.Parser.t list
|
||||
type t =
|
||||
{ syntax : Syntax.t
|
||||
; stanzas : Stanza.Parser.t list
|
||||
}
|
||||
|
||||
let make ver f = (ver, f)
|
||||
type instance =
|
||||
{ lang : t
|
||||
; version : Syntax.Version.t
|
||||
}
|
||||
|
||||
let langs = Hashtbl.create 32
|
||||
|
||||
let register name versions =
|
||||
let register syntax stanzas =
|
||||
let name = Syntax.name syntax in
|
||||
if Hashtbl.mem langs name then
|
||||
Exn.code_error "Dune_project.Lang.register: already registered"
|
||||
[ "name", Sexp.To_sexp.string name ];
|
||||
Hashtbl.add langs name (Syntax.Versioned_parser.make versions)
|
||||
Hashtbl.add langs name { syntax; stanzas }
|
||||
|
||||
let parse first_line =
|
||||
let { Dune_lexer.
|
||||
lang = (name_loc, name)
|
||||
lang = (name_loc, name)
|
||||
; version = (ver_loc, ver)
|
||||
} = first_line
|
||||
in
|
||||
let ver =
|
||||
Sexp.Of_sexp.parse Syntax.Version.t Univ_map.empty
|
||||
(Atom (ver_loc, Sexp.Atom.of_string ver)) in
|
||||
(Atom (ver_loc, Sexp.Atom.of_string ver))
|
||||
in
|
||||
match Hashtbl.find langs name with
|
||||
| None ->
|
||||
Loc.fail name_loc "Unknown language %S.%s" name
|
||||
(hint name (Hashtbl.keys langs))
|
||||
| Some versions ->
|
||||
Syntax.Versioned_parser.find_exn versions
|
||||
~loc:ver_loc ~data_version:ver
|
||||
| Some t ->
|
||||
Syntax.check_supported t.syntax (ver_loc, ver);
|
||||
{ lang = t
|
||||
; version = ver
|
||||
}
|
||||
|
||||
let latest name =
|
||||
let versions = Option.value_exn (Hashtbl.find langs name) in
|
||||
Syntax.Versioned_parser.last versions
|
||||
|
||||
let version = fst
|
||||
let get_exn name =
|
||||
let lang = Option.value_exn (Hashtbl.find langs name) in
|
||||
{ lang
|
||||
; version = Syntax.greatest_supported_version lang.syntax
|
||||
}
|
||||
end
|
||||
|
||||
module Extension = struct
|
||||
type t = Syntax.Version.t * Stanza.Parser.t list Sexp.Of_sexp.t
|
||||
type t =
|
||||
{ syntax : Syntax.t
|
||||
; stanzas : Stanza.Parser.t list Sexp.Of_sexp.t
|
||||
}
|
||||
|
||||
let make ver f = (ver, f)
|
||||
type instance =
|
||||
{ extension : t
|
||||
; version : Syntax.Version.t
|
||||
; loc : Loc.t
|
||||
; parse_args : Stanza.Parser.t list Sexp.Of_sexp.t -> Stanza.Parser.t list
|
||||
}
|
||||
|
||||
let extensions = Hashtbl.create 32
|
||||
|
||||
let register name versions =
|
||||
let register syntax stanzas =
|
||||
let name = Syntax.name syntax in
|
||||
if Hashtbl.mem extensions name then
|
||||
Exn.code_error "Dune_project.Extension.register: already registered"
|
||||
[ "name", Sexp.To_sexp.string name ];
|
||||
Hashtbl.add extensions name (Syntax.Versioned_parser.make versions)
|
||||
Hashtbl.add extensions name { syntax; stanzas }
|
||||
|
||||
let lookup (name_loc, name) (ver_loc, ver) =
|
||||
let instantiate ~loc ~parse_args (name_loc, name) (ver_loc, ver) =
|
||||
match Hashtbl.find extensions name with
|
||||
| None ->
|
||||
Loc.fail name_loc "Unknown extension %S.%s" name
|
||||
(hint name (Hashtbl.keys extensions))
|
||||
| Some versions ->
|
||||
Syntax.Versioned_parser.find_exn versions ~loc:ver_loc ~data_version:ver
|
||||
| Some t ->
|
||||
Syntax.check_supported t.syntax (ver_loc, ver);
|
||||
{ extension = t
|
||||
; version = ver
|
||||
; loc
|
||||
; parse_args
|
||||
}
|
||||
end
|
||||
|
||||
let make_parsing_context ~(lang : Lang.instance) ~extensions =
|
||||
let acc = Univ_map.singleton (Syntax.key lang.lang.syntax) lang.version in
|
||||
List.fold_left extensions ~init:acc
|
||||
~f:(fun acc (ext : Extension.instance) ->
|
||||
Univ_map.add acc (Syntax.key ext.extension.syntax) ext.version)
|
||||
|
||||
let key = Univ_map.Key.create ()
|
||||
let set t = Sexp.Of_sexp.set key t
|
||||
let get_exn () =
|
||||
|
|
@ -197,12 +227,15 @@ let get_local_path p =
|
|||
| Local p -> p
|
||||
|
||||
let anonymous = lazy (
|
||||
let lang = Lang.get_exn "dune" in
|
||||
let parsing_context = make_parsing_context ~lang ~extensions:[] in
|
||||
{ kind = Dune
|
||||
; name = Name.anonymous_root
|
||||
; packages = Package.Name.Map.empty
|
||||
; root = get_local_path Path.root
|
||||
; version = None
|
||||
; stanza_parser = Sexp.Of_sexp.sum (snd (Lang.latest "dune"))
|
||||
; stanza_parser =
|
||||
Sexp.Of_sexp.(set_many parsing_context (sum lang.lang.stanzas))
|
||||
; project_file = None
|
||||
})
|
||||
|
||||
|
|
@ -230,7 +263,7 @@ let name ~dir ~packages =
|
|||
| Some x -> return x
|
||||
| None -> return (default_name ~dir ~packages)
|
||||
|
||||
let parse ~dir ~lang_stanzas ~packages ~file =
|
||||
let parse ~dir ~lang ~packages ~file =
|
||||
record
|
||||
(name ~dir ~packages >>= fun name ->
|
||||
field_o "version" string >>= fun version ->
|
||||
|
|
@ -238,41 +271,55 @@ let parse ~dir ~lang_stanzas ~packages ~file =
|
|||
(loc >>= fun loc ->
|
||||
located string >>= fun name ->
|
||||
located Syntax.Version.t >>= fun ver ->
|
||||
Extension.lookup name ver >>= fun stanzas ->
|
||||
return (snd name, (loc, stanzas)))
|
||||
(* We don't parse the arguments quite yet as we want to set
|
||||
the version of extensions before parsing them. *)
|
||||
capture >>= fun parse_args ->
|
||||
return (Extension.instantiate ~loc ~parse_args name ver))
|
||||
>>= fun extensions ->
|
||||
let extensions_stanzas =
|
||||
match String.Map.of_list extensions with
|
||||
| Error (name, _, (loc, _)) ->
|
||||
Loc.fail loc "Extension %S specified for the second time." name
|
||||
| Ok _ ->
|
||||
List.concat_map extensions ~f:(fun (_, (_, x)) -> x)
|
||||
in
|
||||
return
|
||||
{ kind = Dune
|
||||
; name
|
||||
; root = get_local_path dir
|
||||
; version
|
||||
; packages
|
||||
; stanza_parser = Sexp.Of_sexp.sum (lang_stanzas @ extensions_stanzas)
|
||||
; project_file = Some file
|
||||
})
|
||||
match
|
||||
String.Map.of_list
|
||||
(List.map extensions ~f:(fun (e : Extension.instance) ->
|
||||
(Syntax.name e.extension.syntax, e.loc)))
|
||||
with
|
||||
| Error (name, _, loc) ->
|
||||
Loc.fail loc "Extension %S specified for the second time." name
|
||||
| Ok _ ->
|
||||
let parsing_context = make_parsing_context ~lang ~extensions in
|
||||
let stanzas =
|
||||
List.concat
|
||||
(lang.lang.stanzas ::
|
||||
List.map extensions ~f:(fun (ext : Extension.instance) ->
|
||||
ext.parse_args
|
||||
(Sexp.Of_sexp.set_many parsing_context ext.extension.stanzas)))
|
||||
in
|
||||
return
|
||||
{ kind = Dune
|
||||
; name
|
||||
; root = get_local_path dir
|
||||
; version
|
||||
; packages
|
||||
; stanza_parser = Sexp.Of_sexp.(set_many parsing_context (sum stanzas))
|
||||
; project_file = Some file
|
||||
})
|
||||
|
||||
let load_dune_project ~dir packages =
|
||||
let fname = Path.relative dir filename in
|
||||
Io.with_lexbuf_from_file fname ~f:(fun lb ->
|
||||
let lang_stanzas = Lang.parse (Dune_lexer.first_line lb) in
|
||||
let lang = Lang.parse (Dune_lexer.first_line lb) in
|
||||
let sexp = Sexp.Parser.parse lb ~mode:Many_as_one in
|
||||
Sexp.Of_sexp.parse (parse ~dir ~lang_stanzas ~packages ~file:fname)
|
||||
Sexp.Of_sexp.parse (parse ~dir ~lang ~packages ~file:fname)
|
||||
Univ_map.empty sexp)
|
||||
|
||||
let make_jbuilder_project ~dir packages =
|
||||
let lang = Lang.get_exn "dune" in
|
||||
let parsing_context = make_parsing_context ~lang ~extensions:[] in
|
||||
{ kind = Jbuilder
|
||||
; name = default_name ~dir ~packages
|
||||
; root = get_local_path dir
|
||||
; version = None
|
||||
; packages
|
||||
; stanza_parser = Sexp.Of_sexp.sum (snd (Lang.latest "dune"))
|
||||
; stanza_parser =
|
||||
Sexp.Of_sexp.(set_many parsing_context (sum lang.lang.stanzas))
|
||||
; project_file = None
|
||||
}
|
||||
|
||||
|
|
@ -311,8 +358,8 @@ let project_file t =
|
|||
| Some file -> file
|
||||
| None ->
|
||||
let file = Path.relative (Path.of_local t.root) filename in
|
||||
let maj, min = fst (Lang.latest "dune") in
|
||||
let s = sprintf "(lang dune %d.%d)" maj min in
|
||||
let ver = (Lang.get_exn "dune").version in
|
||||
let s = sprintf "(lang dune %s)" (Syntax.Version.to_string ver) in
|
||||
notify_user
|
||||
(sprintf "creating file %s with this contents: %s"
|
||||
(Path.to_string_maybe_quoted file) s);
|
||||
|
|
|
|||
|
|
@ -41,42 +41,25 @@ type t = private
|
|||
}
|
||||
|
||||
module Lang : sig
|
||||
(** One version of a language *)
|
||||
type t
|
||||
|
||||
(** [make version stanzas_parser] defines one version of a
|
||||
language. Users will select this language by writing:
|
||||
(** [register id stanzas_parser] register a new language. Users will
|
||||
select this language by writing:
|
||||
|
||||
{[ (lang <name> <version>) ]}
|
||||
|
||||
as the first line of their [dune-project] file. [stanza_parsers]
|
||||
defines what stanzas the user can write in [dune] files. *)
|
||||
val make : Syntax.Version.t -> Stanza.Parser.t list -> t
|
||||
|
||||
val version : t -> Syntax.Version.t
|
||||
|
||||
(** Register all the supported versions of a language *)
|
||||
val register : string -> t list -> unit
|
||||
|
||||
(** Latest version of the following language *)
|
||||
val latest : string -> t
|
||||
val register : Syntax.t -> Stanza.Parser.t list -> unit
|
||||
end
|
||||
|
||||
module Extension : sig
|
||||
(** One version of an extension *)
|
||||
type t
|
||||
|
||||
(** [make version parser] defines one version of an extension. Users will
|
||||
(** [register id parser] registers a new extension. Users will
|
||||
enable this extension by writing:
|
||||
|
||||
{[ (using <name> <version> <args>) ]}
|
||||
|
||||
in their [dune-project] file. [parser] is used to describe
|
||||
what [<args>] might be. *)
|
||||
val make : Syntax.Version.t -> Stanza.Parser.t list Sexp.Of_sexp.t -> t
|
||||
|
||||
(** Register all the supported versions of an extension *)
|
||||
val register : string -> t list -> unit
|
||||
what [<args>] might be. *)
|
||||
val register : Syntax.t -> Stanza.Parser.t list Sexp.Of_sexp.t -> unit
|
||||
end
|
||||
|
||||
(** Load a project description from the following directory. [files]
|
||||
|
|
|
|||
|
|
@ -22,6 +22,14 @@ module Backend = struct
|
|||
|
||||
let loc t = t.loc
|
||||
|
||||
(* The syntax of the driver sub-system is part of the main dune
|
||||
syntax, so we simply don't create a new one.
|
||||
|
||||
If we wanted to make the ppx system an extension, then we
|
||||
would create a new one.
|
||||
*)
|
||||
let syntax = Jbuild.syntax
|
||||
|
||||
open Sexp.Of_sexp
|
||||
|
||||
let parse =
|
||||
|
|
@ -41,11 +49,6 @@ module Backend = struct
|
|||
; generate_runner
|
||||
; extends
|
||||
})
|
||||
|
||||
let parsers =
|
||||
Syntax.Versioned_parser.make
|
||||
[ (1, 0), parse
|
||||
]
|
||||
end
|
||||
|
||||
type t =
|
||||
|
|
@ -125,6 +128,8 @@ include Sub_system.Register_end_point(
|
|||
let loc t = t.loc
|
||||
let backends t = Option.map t.backend ~f:(fun x -> [x])
|
||||
|
||||
let syntax = Jbuild.syntax
|
||||
|
||||
open Sexp.Of_sexp
|
||||
|
||||
let parse =
|
||||
|
|
@ -145,11 +150,6 @@ include Sub_system.Register_end_point(
|
|||
; backend
|
||||
; libraries
|
||||
})
|
||||
|
||||
let parsers =
|
||||
Syntax.Versioned_parser.make
|
||||
[ (1, 0), parse
|
||||
]
|
||||
end
|
||||
|
||||
let gen_rules c ~(info:Info.t) ~backends =
|
||||
|
|
|
|||
|
|
@ -20,12 +20,11 @@ let parse_sub_systems sexps =
|
|||
Loc.fail loc "%S present twice" (Sub_system_name.to_string name))
|
||||
|> Sub_system_name.Map.mapi ~f:(fun name (_, version, data) ->
|
||||
let (module M) = Jbuild.Sub_system_info.get name in
|
||||
let vloc, ver = version in
|
||||
let parser =
|
||||
Syntax.Versioned_parser.find_exn M.parsers ~loc:vloc
|
||||
~data_version:ver
|
||||
Syntax.check_supported M.syntax version;
|
||||
let parsing_context =
|
||||
Univ_map.singleton (Syntax.key M.syntax) (snd version)
|
||||
in
|
||||
M.T (Sexp.Of_sexp.parse parser Univ_map.empty data))
|
||||
M.T (Sexp.Of_sexp.parse M.parse parsing_context data))
|
||||
|
||||
let of_sexp =
|
||||
let open Sexp.Of_sexp in
|
||||
|
|
|
|||
|
|
@ -5,6 +5,12 @@ open Sexp.Of_sexp
|
|||
syntax for the various supported version of the specification.
|
||||
*)
|
||||
|
||||
let syntax =
|
||||
Syntax.create ~name:"dune"
|
||||
[ (0, 0) (* Jbuild syntax *)
|
||||
; (1, 0)
|
||||
]
|
||||
|
||||
(* Deprecated *)
|
||||
module Jbuild_version = struct
|
||||
type t =
|
||||
|
|
@ -575,9 +581,10 @@ module Sub_system_info = struct
|
|||
module type S = sig
|
||||
type t
|
||||
type sub_system += T of t
|
||||
val name : Sub_system_name.t
|
||||
val loc : t -> Loc.t
|
||||
val parsers : t Sexp.Of_sexp.t Syntax.Versioned_parser.t
|
||||
val name : Sub_system_name.t
|
||||
val loc : t -> Loc.t
|
||||
val syntax : Syntax.t
|
||||
val parse : t Sexp.Of_sexp.t
|
||||
end
|
||||
|
||||
let all = Sub_system_name.Table.create ~default_value:None
|
||||
|
|
@ -588,8 +595,6 @@ module Sub_system_info = struct
|
|||
module Register(M : S) : sig end = struct
|
||||
open M
|
||||
|
||||
let parse = snd (Syntax.Versioned_parser.last M.parsers)
|
||||
|
||||
let () =
|
||||
match Sub_system_name.Table.get all name with
|
||||
| Some _ ->
|
||||
|
|
@ -1346,10 +1351,7 @@ module Stanzas = struct
|
|||
]
|
||||
|
||||
let () =
|
||||
let open Dune_project.Lang in
|
||||
register "dune"
|
||||
[ make (1, 0) dune
|
||||
]
|
||||
Dune_project.Lang.register syntax dune
|
||||
|
||||
exception Include_loop of Path.t * (Loc.t * Path.t) list
|
||||
|
||||
|
|
|
|||
|
|
@ -2,6 +2,11 @@
|
|||
|
||||
open Import
|
||||
|
||||
(** Syntax identifier for the Dune language. [(0, X)] correspond to
|
||||
the Jbuild language while versions from [(1, 0)] correspond to the
|
||||
Dune one. *)
|
||||
val syntax : Syntax.t
|
||||
|
||||
(** Ppx preprocessors *)
|
||||
module Pp : sig
|
||||
type t = private string
|
||||
|
|
@ -139,10 +144,14 @@ module Sub_system_info : sig
|
|||
(** Name of the sub-system *)
|
||||
val name : Sub_system_name.t
|
||||
|
||||
(** Location of the S-expression passed to [of_sexp] or [short]. *)
|
||||
(** Location of the parameters in the jbuild/dune file. *)
|
||||
val loc : t -> Loc.t
|
||||
|
||||
val parsers : t Sexp.Of_sexp.t Syntax.Versioned_parser.t
|
||||
(** Syntax for jbuild/dune files *)
|
||||
val syntax : Syntax.t
|
||||
|
||||
(** Parse parameters written by the user in jbuid/dune files *)
|
||||
val parse : t Sexp.Of_sexp.t
|
||||
end
|
||||
|
||||
module Register(M : S) : sig end
|
||||
|
|
|
|||
|
|
@ -32,6 +32,14 @@ module Driver = struct
|
|||
|
||||
let loc t = t.loc
|
||||
|
||||
(* The syntax of the driver sub-system is part of the main dune
|
||||
syntax, so we simply don't create a new one.
|
||||
|
||||
If we wanted to make the ppx system an extension, then we
|
||||
would create a new one.
|
||||
*)
|
||||
let syntax = Jbuild.syntax
|
||||
|
||||
open Sexp.Of_sexp
|
||||
|
||||
let parse =
|
||||
|
|
@ -49,10 +57,6 @@ module Driver = struct
|
|||
; main
|
||||
; replaces
|
||||
})
|
||||
|
||||
let parsers =
|
||||
Syntax.Versioned_parser.make
|
||||
[ (1, 0), parse ]
|
||||
end
|
||||
|
||||
(* The [lib] field is lazy so that we don't need to fill it for
|
||||
|
|
|
|||
|
|
@ -23,38 +23,71 @@ module Version = struct
|
|||
pa = da && db <= pb
|
||||
end
|
||||
|
||||
module Versioned_parser = struct
|
||||
type 'a t = (int * 'a) Int.Map.t
|
||||
module Supported_versions = struct
|
||||
type t = int Int.Map.t
|
||||
|
||||
let make l =
|
||||
if List.is_empty l then
|
||||
Exn.code_error "Syntax.Versioned_parser.make got empty list" [];
|
||||
let make l : t =
|
||||
match
|
||||
List.map l ~f:(fun ((major, minor), p) -> (major, (minor, p)))
|
||||
List.map l ~f:(fun (major, minor) -> (major, minor))
|
||||
|> Int.Map.of_list
|
||||
with
|
||||
| Ok x -> x
|
||||
| Error _ ->
|
||||
Exn.code_error
|
||||
"Syntax.Versioned_parser.make"
|
||||
[ "versions", Sexp.To_sexp.list Version.sexp_of_t (List.map l ~f:fst) ]
|
||||
"Syntax.create"
|
||||
[ "versions", Sexp.To_sexp.list Version.sexp_of_t l ]
|
||||
|
||||
let last t =
|
||||
let major, (minor, p) = Option.value_exn (Int.Map.max_binding t) in
|
||||
((major, minor), p)
|
||||
let greatest_supported_version t = Option.value_exn (Int.Map.max_binding t)
|
||||
|
||||
let find_exn t ~loc ~data_version:(major, minor) =
|
||||
match
|
||||
Option.bind (Int.Map.find t major) ~f:(fun (minor', p) ->
|
||||
Option.some_if (minor' >= minor) p)
|
||||
with
|
||||
| None ->
|
||||
Loc.fail loc "Version %s is not supported.\n\
|
||||
Supported versions:\n\
|
||||
%s"
|
||||
(Version.to_string (major, minor))
|
||||
(String.concat ~sep:"\n"
|
||||
(Int.Map.to_list t |> List.map ~f:(fun (major, (minor, _)) ->
|
||||
sprintf "- %u.0 to %u.%u" major major minor)))
|
||||
| Some p -> p
|
||||
let is_supported t (major, minor) =
|
||||
match Int.Map.find t major with
|
||||
| Some minor' -> minor' >= minor
|
||||
| None -> false
|
||||
|
||||
let supported_ranges t =
|
||||
Int.Map.to_list t |> List.map ~f:(fun (major, minor) ->
|
||||
((major, 0), (major, minor)))
|
||||
end
|
||||
|
||||
type t =
|
||||
{ name : string
|
||||
; key : Version.t Univ_map.Key.t
|
||||
; supported_versions : Supported_versions.t
|
||||
}
|
||||
|
||||
let create ~name supported_versions =
|
||||
{ name
|
||||
; key = Univ_map.Key.create ()
|
||||
; supported_versions = Supported_versions.make supported_versions
|
||||
}
|
||||
|
||||
let name t = t.name
|
||||
|
||||
let check_supported t (loc, ver) =
|
||||
if not (Supported_versions.is_supported t.supported_versions ver) then
|
||||
Loc.fail loc "Version %s of %s is not supported.\n\
|
||||
Supported versions:\n\
|
||||
%s"
|
||||
(Version.to_string ver) t.name
|
||||
(String.concat ~sep:"\n"
|
||||
(List.map (Supported_versions.supported_ranges t.supported_versions)
|
||||
~f:(fun (a, b) ->
|
||||
sprintf "- %s to %s"
|
||||
(Version.to_string a)
|
||||
(Version.to_string b))))
|
||||
|
||||
let greatest_supported_version t =
|
||||
Supported_versions.greatest_supported_version t.supported_versions
|
||||
|
||||
let key t = t.key
|
||||
|
||||
let set t ver parser =
|
||||
Sexp.Of_sexp.set t.key ver parser
|
||||
|
||||
let get_exn t =
|
||||
let open Sexp.Of_sexp in
|
||||
get t.key >>| function
|
||||
| Some x -> x
|
||||
| None ->
|
||||
Exn.code_error "Syntax identifier is unset"
|
||||
[ "name", Sexp.To_sexp.string t.name ]
|
||||
|
|
|
|||
|
|
@ -1,5 +1,6 @@
|
|||
(** Management of syntaxes *)
|
||||
|
||||
open Stdune
|
||||
(** Versioned syntaxes *)
|
||||
|
||||
module Version : sig
|
||||
(** A syntax version.
|
||||
|
|
@ -11,20 +12,33 @@ module Version : sig
|
|||
|
||||
include Sexp.Sexpable with type t := t
|
||||
|
||||
val to_string : t -> string
|
||||
|
||||
(** Whether the parser can read the data or not *)
|
||||
val can_read : parser_version:t -> data_version:t -> bool
|
||||
end
|
||||
|
||||
module Versioned_parser : sig
|
||||
(** Versioned parser *)
|
||||
type 'a t
|
||||
type t
|
||||
|
||||
(** Create a versionned parser. There must be exactly one parser per
|
||||
major version. *)
|
||||
val make : (Version.t * 'a) list -> 'a t
|
||||
(** [create ~name supported_versions] defines a new
|
||||
syntax. [supported_version] is the list of the last minor version
|
||||
of each supported major version. *)
|
||||
val create : name:string -> Version.t list -> t
|
||||
|
||||
val last : 'a t -> Version.t * 'a
|
||||
(** Return the name of the syntax. *)
|
||||
val name : t -> string
|
||||
|
||||
(** Find a parser that can parse data of this version *)
|
||||
val find_exn : 'a t -> loc:Loc.t -> data_version:Version.t -> 'a
|
||||
end
|
||||
(** Check that the given version is supported and raise otherwise. *)
|
||||
val check_supported : t -> Loc.t * Version.t -> unit
|
||||
|
||||
val greatest_supported_version : t -> Version.t
|
||||
|
||||
val set
|
||||
: t
|
||||
-> Version.t
|
||||
-> ('a, 'k) Sexp.Of_sexp.parser
|
||||
-> ('a, 'k) Sexp.Of_sexp.parser
|
||||
|
||||
val get_exn : t -> (Version.t, 'k) Sexp.Of_sexp.parser
|
||||
|
||||
val key : t -> Version.t Univ_map.Key.t
|
||||
|
|
|
|||
Loading…
Reference in New Issue