package codept-lib

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Source file pp.ml

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type 'a t = Format.formatter -> 'a -> unit
let fp = Format.fprintf

let s st ppf = fp ppf st
let const s ppf = fp ppf "%s" s

let rec list ~sep pp ppf =
  function
  | a :: ( _ :: _ as q ) -> fp ppf "%a%t%a" pp a sep (list ~sep pp) q
  | [a] -> fp ppf "%a" pp a
  | [] -> ()

let list0 ?(pre=s"") ?(post=s"") ?(sep=s"; @,") pp ppf l =
  fp ppf "%t%a%t" pre (list ~sep pp) l post

let list  ?(pre=s"") ?(post=s"") ?(sep=s"; @,") pp ppf l =
  if l = [] then () else
    list0 ~pre ~post ~sep pp ppf l

let rec tlist ?(sep=s ";@,") pp ppf =
  function
  | a :: ( _ :: _ as q ) -> fp ppf "%a%t%a" pp a sep (tlist ~sep pp) q
  | [a] -> fp ppf "%a" pp a
  | [] -> ()


  let blist pp ppf = fp ppf "[@,%a@,]" (list0 pp)
  let clist pp ppf = fp ppf "{@,%a@,}" (list0 pp)

let opt_list ?(pre=s "") ?(post=s "")  ?(sep= s ";@, ") pp ppf = function
  | [] -> ()
  | l -> fp ppf "%t%a%t" pre (list ~sep pp) l post

let opt_list_0 ?(pre=s "") ?(post=s "")  ?(sep= s ";@, ") pp ppf = function
  | [] -> ()
  | l -> fp ppf "%t%a%t" pre (list ~sep pp) l post


let rec in_text_list pp_core ppf = function
  | [] -> ()
  | [a] -> pp_core ppf a
  | [a;b] -> fp ppf "%a@ and@ %a" pp_core a pp_core b
  | a :: q -> fp ppf "%a,@ %a" pp_core a (in_text_list pp_core) q

let string ppf = fp ppf "%s"
let estring ppf = fp ppf {|"%s"|}

let decorate left right pp ppf x=
  fp ppf "%s%a%s" left pp x right

let std = Format.std_formatter
let err = Format.err_formatter
let p fmt = Format.printf fmt
let e fmt = Format.eprintf fmt

let pair ?(sep=",") pp1 pp2 ppf (x,y) = fp ppf "%a%s%a" pp1 x sep pp2 y

let triple ?(sep=",") pp1 pp2 pp3 ppf (x,y,z) =
  fp ppf "%a%s%a%s%a" pp1 x sep pp2 y sep pp3 z


let snd pp ppf (_x,y) = fp ppf "%a" pp y
let fst pp ppf (x,_y) = fp ppf "%a" pp x

let opt ?(pre="") ?(post="") pp ppf = function
  | None -> ()
  | Some x -> fp ppf "%s" pre; pp ppf x; fp ppf "%s" post