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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Pp
open Genarg
type 'a printer = 'a -> std_ppcmds
type ('raw, 'glb, 'top) genprinter = {
raw : 'raw printer;
glb : 'glb printer;
top : 'top printer;
}
module PrintObj =
struct
type ('raw, 'glb, 'top) obj = ('raw, 'glb, 'top) genprinter
let name = "printer"
let default wit = match wit with
| ExtraArg tag ->
let name = ArgT.repr tag in
let printer = {
raw = (fun _ -> str "<genarg:" ++ str name ++ str ">");
glb = (fun _ -> str "<genarg:" ++ str name ++ str ">");
top = (fun _ -> str "<genarg:" ++ str name ++ str ">");
} in
Some printer
| _ -> assert false
end
module Print = Register (PrintObj)
let register_print0 wit raw glb top =
let printer = { raw; glb; top; } in
Print.register0 wit printer
let raw_print wit v = (Print.obj wit).raw v
let glb_print wit v = (Print.obj wit).glb v
let top_print wit v = (Print.obj wit).top v
let generic_raw_print (GenArg (Rawwit w, v)) = raw_print w v
let generic_glb_print (GenArg (Glbwit w, v)) = glb_print w v
let generic_top_print (GenArg (Topwit w, v)) = top_print w v
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