aboutsummaryrefslogtreecommitdiffhomepage
path: root/interp/ppextend.ml
blob: 3ebc9b71d22e4981a683c6e86d35d7c204a0aef3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
(************************************************************************)
(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
(* <O___,, *   INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2017     *)
(*   \VV/  **************************************************************)
(*    //   *      This file is distributed under the terms of the       *)
(*         *       GNU Lesser General Public License Version 2.1        *)
(************************************************************************)

open Pp
open Notation_term

(*s Pretty-print. *)

type ppbox =
  | PpHB of int
  | PpHOVB of int
  | PpHVB of int
  | PpVB of int

type ppcut =
  | PpBrk of int * int
  | PpFnl

let ppcmd_of_box = function
  | PpHB n -> h n
  | PpHOVB n -> hov n
  | PpHVB n -> hv n
  | PpVB n -> v n

let ppcmd_of_cut = function
  | PpFnl -> fnl ()
  | PpBrk(n1,n2) -> brk(n1,n2)

type unparsing =
  | UnpMetaVar of int * parenRelation
  | UnpListMetaVar of int * parenRelation * unparsing list
  | UnpBinderListMetaVar of int * bool * unparsing list
  | UnpTerminal of string
  | UnpBox of ppbox * unparsing list
  | UnpCut of ppcut