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34 lines
916 B
34 lines
916 B
(*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*)
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(** Global variables *)
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type t = {reg: Reg.t; init: Exp.t option; typ: Typ.t; loc: Loc.t}
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[@@deriving compare, equal, hash, sexp]
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let pp fs {reg} =
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let name = Reg.name reg in
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let pf pp =
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Format.pp_open_box fs 2 ;
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Format.kfprintf (fun fs -> Format.pp_close_box fs ()) fs pp
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in
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pf "@%s%a" name Reg.pp_demangled reg
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let pp_defn fs {reg; init; typ; loc} =
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Format.fprintf fs "@[<2>%a %a%a%a@]" Typ.pp typ Reg.pp reg Loc.pp loc
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(Option.pp "@ = @[%a@]" Exp.pp)
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init
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let invariant g =
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Invariant.invariant [%here] g [%sexp_of: t]
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@@ fun () ->
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let {reg; typ} = g in
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assert (Typ.is_sized typ) ;
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assert (Var.global (Reg.var reg))
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let mk ?init reg typ loc = {reg; init; typ; loc} |> check invariant
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