Quelle miscprint.ml Sprache: SML

(************************************************************************)
(*         *      The Rocq Prover / The Rocq Development Team           *)
(*  v      *         Copyright INRIA, CNRS and contributors             *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(*   \VV/  **************************************************************)
(*    //   *    This file is distributed under the terms of the         *)
(*         *     GNU Lesser General Public License Version 2.1          *)
(*         *     (see LICENSE file for the text of the license)         *)
(************************************************************************)

open Pp
open Names
open Tactypes

(** Printing of [intro_pattern] *)

let rec pr_intro_pattern prc {CAst.v=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 = let open Namegen in function
  | IntroIdentifier id -> Id.print id
  | IntroFresh id -> str "?" ++ Id.print 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 ({CAst.v=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 ->
      str "[" ++
      hv 0 (prlist_with_sep pr_bar (prlist_with_sep spc (pr_intro_pattern prc)) pll)
      ++ str "]"

(** Printing of bindings *)
let pr_binding prc = let open CAst in function
  | {loc;v=(NamedHyp id, c)} -> hov 1 (Names.Id.print id.v ++ str " :=" ++ spc () ++ prc c)
  | {loc;v=(AnonHyp n, c)} -> hov 1 (int n ++ str " :=" ++ spc () ++ prc c)

let pr_bindings prc prlc = function
  | ImplicitBindings l ->
    brk (1,1) ++ str "with" ++ brk (1,1) ++
    pr_sequence prc l
  | ExplicitBindings l ->
    brk (1,1) ++ str "with" ++ brk (1,1) ++
    pr_sequence (fun b -> str"(" ++ pr_binding prlc b ++ str")") l
  | NoBindings -> mt ()

let pr_bindings_no_with prc prlc = function
  | ImplicitBindings l ->
    brk (0,1) ++ prlist_with_sep spc prc l
  | ExplicitBindings l ->
    brk (0,1) ++ prlist_with_sep spc (fun b -> str"(" ++ pr_binding prlc b ++ str")") l
  | NoBindings -> mt ()

let pr_with_bindings prc prlc (c,bl) =
  hov 1 (prc c ++ pr_bindings prc prlc bl)

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