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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 Misctypes
open Pp
(** Printing of [intro_pattern] *)
let rec pr_intro_pattern prc (_,pat) = match pat with
| IntroForthcoming true -> str "*"
| IntroForthcoming false -> str "**"
| IntroNaming p -> pr_intro_pattern_naming p
| IntroAction p -> pr_intro_pattern_action prc p
and pr_intro_pattern_naming = function
| IntroIdentifier id -> Nameops.pr_id id
| IntroFresh id -> str "?" ++ Nameops.pr_id id
| IntroAnonymous -> str "?"
and pr_intro_pattern_action prc = function
| IntroWildcard -> str "_"
| IntroOrAndPattern pll -> pr_or_and_intro_pattern prc pll
| IntroInjection pl ->
str "[=" ++ hv 0 (prlist_with_sep spc (pr_intro_pattern prc) pl) ++
str "]"
| IntroApplyOn (c,pat) -> pr_intro_pattern prc pat ++ str "%" ++ prc c
| IntroRewrite true -> str "->"
| IntroRewrite false -> str "<-"
and pr_or_and_intro_pattern prc = function
| IntroAndPattern pl ->
str "(" ++ hv 0 (prlist_with_sep pr_comma (pr_intro_pattern prc) pl) ++ str ")"
| IntroOrPattern pll ->
let n = List.length pll in
let pll = Util.List.map_i (fun i l ->
if Util.List.is_empty l then
if i=1 then if Lexer.is_keyword "[|" then spc () else mt () else
if i=n then if Lexer.is_keyword "|]" then spc () else mt () else
spc () (* because || is a keyword *)
else
prlist_with_sep spc (pr_intro_pattern prc) l) 1 pll in
str "[" ++ hv 0 (prlist_with_sep (fun () -> str "|") (fun x -> x) pll) ++
str "]"
(** Printing of [move_location] *)
let pr_move_location pr_id = function
| MoveAfter id -> brk(1,1) ++ str "after " ++ pr_id id
| MoveBefore id -> brk(1,1) ++ str "before " ++ pr_id id
| MoveFirst -> str " at top"
| MoveLast -> str " at bottom"
|
