unikernel/duniverse/mirage/lib/functoria/DSL.ml

@@ -0,0 +1,70 @@
+(*
+ * Copyright (c) 2013-2020 Thomas Gazagnaire <thomas@gazagnaire.org>
+ * Copyright (c) 2013-2020 Anil Madhavapeddy <anil@recoil.org>
+ * Copyright (c) 2015-2020 Gabriel Radanne <drupyog@zoho.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *)
+
+type 'a key = 'a Key.key
+type 'a runtime_arg = 'a Runtime_arg.arg
+type 'a value = 'a Key.value
+type abstract_key = Key.t
+type package = Package.t
+type scope = Package.scope
+type 'a typ = 'a Type.t
+type 'a impl = 'a Impl.t
+type abstract_impl = Impl.abstract
+type 'a device = ('a, Impl.abstract) Device.t
+type context = Context.t
+type job = Job.t
+type info = Info.t
+type 'a code = 'a Device.code
+
+let code = Device.code
+let package = Package.v
+let ( @-> ) = Type.( @-> )
+let typ = Type.v
+let ( $ ) = Impl.( $ )
+let of_device = Impl.of_device
+let key = Key.v
+let dep = Impl.abstract
+let if_impl = Impl.if_
+let match_impl = Impl.match_
+
+let impl ?packages ?packages_v ?local_libs ?install ?install_v ?keys
+    ?runtime_args ?extra_deps ?connect ?dune ?configure ?files module_name
+    module_type =
+  of_device
+  @@ Device.v ?packages ?packages_v ?local_libs ?install ?install_v ?keys
+       ?runtime_args ?extra_deps ?connect ?dune ?configure ?files module_name
+       module_type
+
+let main ?pos ?packages ?packages_v ?local_libs ?runtime_args ?deps module_name
+    ty =
+  let connect _ = Device.start ?pos in
+  let extra_deps =
+    if Type.is_functor ty then deps
+    else
+      match deps with
+      | None | Some [] ->
+          print_endline
+            "adding unit argument to 'start ()' (to delay execution)";
+          Some [ dep Job.noop ]
+      | _ -> deps
+  in
+  impl ?packages ?packages_v ?local_libs ?runtime_args ?extra_deps ~connect
+    module_name ty
+
+let runtime_arg ~pos ?packages str =
+  Runtime_arg.v (Runtime_arg.create ~pos ?packages str)