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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Pp
open Genarg
type ('raw, 'glb, 'top) printer = {
raw : 'raw -> std_ppcmds;
glb : 'glb -> std_ppcmds;
top : 'top -> std_ppcmds;
}
module PrintObj =
struct
type ('raw, 'glb, 'top) obj = ('raw, 'glb, 'top) printer
let name = "printer"
let default wit = match unquote (rawwit wit) with
| ExtraArgType name ->
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 v = unpack { unpacker = fun w v -> raw_print w (raw v); } v
let generic_glb_print v = unpack { unpacker = fun w v -> glb_print w (glb v); } v
let generic_top_print v = unpack { unpacker = fun w v -> top_print w (top v); } v
|