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open GoblintCil
let show = Pretty.sprint ~width:max_int
let sprint f x = show (f () x)
let sprintf (fmt: ('a, unit, Pretty.doc, string) format4): 'a =
Pretty.gprintf show fmt
open Pretty
let igprintf (finish: 'b) (format : ('a, unit, doc, 'b) format4) : 'a =
let format = string_of_format format in
let flen = String.length format in
let fget = String.unsafe_get format in
let rec literal acc i =
let rec skipChars j =
if j >= flen || (match fget j with '%' | '@' | '\n' -> true | _ -> false) then
collect nil j
else
skipChars (succ j)
in
skipChars (succ i)
and collect (acc: doc) (i: int) =
if i >= flen then begin
Obj.magic finish
end else begin
let c = fget i in
if c = '%' then begin
let j = skip_args (succ i) in
match fget j with
'%' -> literal acc j
| ',' -> collect acc (succ j)
| 's' | 'c' | 'd' | 'i' | 'o' | 'x' | 'X' | 'u'
| 'f' | 'e' | 'E' | 'g' | 'G' | 'b' | 'B' ->
Obj.magic(fun b -> collect nil (succ j))
| 'L' | 'l' | 'n' -> Obj.magic(fun n -> collect nil (succ (succ j)))
| 'a' -> Obj.magic(fun pprinter arg -> collect nil (succ j))
| 't' -> Obj.magic(fun pprinter -> collect nil (succ j))
| c -> invalid_arg ("dprintf: unknown format %s" ^ String.make 1 c)
end else if c = '@' then begin
if i + 1 < flen then begin
match fget (succ i) with
'[' | ']' | '!' | '?' | '^' | '@' -> collect nil (i + 2)
| '<' | '>' -> collect nil (i + 1)
| c -> invalid_arg ("dprintf: unknown format @" ^ String.make 1 c)
end else
invalid_arg "dprintf: incomplete format @"
end else if c = '\n' then begin
collect nil (i + 1)
end else
literal acc i
end
and skip_args j =
match String.unsafe_get format j with
'0' .. '9' | ' ' | '.' | '-' -> skip_args (succ j)
| c -> j
in
collect nil 0