Source file camlinternalFormat.ml
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open CamlinternalFormatBasics
type mutable_char_set = bytes
let create_char_set () = Bytes.make 32 '\000'
let add_in_char_set char_set c =
let ind = int_of_char c in
let str_ind = ind lsr 3 and mask = 1 lsl (ind land 0b111) in
Bytes.set char_set str_ind
(char_of_int (int_of_char (Bytes.get char_set str_ind) lor mask))
let freeze_char_set char_set =
Bytes.to_string char_set
let rev_char_set char_set =
let char_set' = create_char_set () in
for i = 0 to 31 do
Bytes.set char_set' i
(char_of_int (int_of_char (String.get char_set i) lxor 0xFF));
done;
Bytes.unsafe_to_string char_set'
let is_in_char_set char_set c =
let ind = int_of_char c in
let str_ind = ind lsr 3 and mask = 1 lsl (ind land 0b111) in
(int_of_char (String.get char_set str_ind) land mask) <> 0
type ('a, 'b, 'c, 'd, 'e, 'f) param_format_ebb = Param_format_EBB :
('x -> 'a, 'b, 'c, 'd, 'e, 'f) fmt ->
('a, 'b, 'c, 'd, 'e, 'f) param_format_ebb
let pad_of_pad_opt pad_opt = match pad_opt with
| None -> No_padding
| Some width -> Lit_padding (Right, width)
let prec_of_prec_opt prec_opt = match prec_opt with
| None -> No_precision
| Some ndec -> Lit_precision ndec
let param_format_of_ignored_format : type a b c d e f x y .
(a, b, c, d, y, x) ignored -> (x, b, c, y, e, f) fmt ->
(a, b, c, d, e, f) param_format_ebb =
fun ign fmt -> match ign with
| Ignored_char ->
Param_format_EBB (Char fmt)
| Ignored_caml_char ->
Param_format_EBB (Caml_char fmt)
| Ignored_string pad_opt ->
Param_format_EBB (String (pad_of_pad_opt pad_opt, fmt))
| Ignored_caml_string pad_opt ->
Param_format_EBB (Caml_string (pad_of_pad_opt pad_opt, fmt))
| Ignored_int (iconv, pad_opt) ->
Param_format_EBB (Int (iconv, pad_of_pad_opt pad_opt, No_precision, fmt))
| Ignored_int32 (iconv, pad_opt) ->
Param_format_EBB
(Int32 (iconv, pad_of_pad_opt pad_opt, No_precision, fmt))
| Ignored_nativeint (iconv, pad_opt) ->
Param_format_EBB
(Nativeint (iconv, pad_of_pad_opt pad_opt, No_precision, fmt))
| Ignored_int64 (iconv, pad_opt) ->
Param_format_EBB
(Int64 (iconv, pad_of_pad_opt pad_opt, No_precision, fmt))
| Ignored_float (pad_opt, prec_opt) ->
Param_format_EBB
(Float ((Float_flag_, Float_f),
pad_of_pad_opt pad_opt, prec_of_prec_opt prec_opt, fmt))
| Ignored_bool pad_opt ->
Param_format_EBB (Bool (pad_of_pad_opt pad_opt, fmt))
| Ignored_format_arg (pad_opt, fmtty) ->
Param_format_EBB (Format_arg (pad_opt, fmtty, fmt))
| Ignored_format_subst (pad_opt, fmtty) ->
Param_format_EBB
(Format_subst (pad_opt, fmtty, fmt))
| Ignored_reader ->
Param_format_EBB (Reader fmt)
| Ignored_scan_char_set (width_opt, char_set) ->
Param_format_EBB (Scan_char_set (width_opt, char_set, fmt))
| Ignored_scan_get_counter counter ->
Param_format_EBB (Scan_get_counter (counter, fmt))
| Ignored_scan_next_char ->
Param_format_EBB (Scan_next_char fmt)
type ('b, 'c) acc_formatting_gen =
| Acc_open_tag of ('b, 'c) acc
| Acc_open_box of ('b, 'c) acc
and ('b, 'c) acc =
| Acc_formatting_lit of ('b, 'c) acc * formatting_lit
| Acc_formatting_gen of ('b, 'c) acc * ('b, 'c) acc_formatting_gen
| Acc_string_literal of ('b, 'c) acc * string
| Acc_char_literal of ('b, 'c) acc * char
| Acc_data_string of ('b, 'c) acc * string
| Acc_data_char of ('b, 'c) acc * char
| Acc_delay of ('b, 'c) acc * ('b -> 'c)
| Acc_flush of ('b, 'c) acc
| Acc_invalid_arg of ('b, 'c) acc * string
| End_of_acc
type ('a, 'b) heter_list =
| Cons : 'c * ('a, 'b) heter_list -> ('c -> 'a, 'b) heter_list
| Nil : ('b, 'b) heter_list
type ('a, 'b, 'c, 'd, 'e, 'f) padding_fmtty_ebb = Padding_fmtty_EBB :
('x, 'y) padding * ('y, 'b, 'c, 'd, 'e, 'f) fmtty ->
('x, 'b, 'c, 'd, 'e, 'f) padding_fmtty_ebb
type ('a, 'b, 'c, 'd, 'e, 'f) padprec_fmtty_ebb = Padprec_fmtty_EBB :
('x, 'y) padding * ('y, 'z) precision * ('z, 'b, 'c, 'd, 'e, 'f) fmtty ->
('x, 'b, 'c, 'd, 'e, 'f) padprec_fmtty_ebb
type ('a, 'b, 'c, 'e, 'f) padding_fmt_ebb = Padding_fmt_EBB :
(_, 'x -> 'a) padding *
('a, 'b, 'c, 'd, 'e, 'f) fmt ->
('x, 'b, 'c, 'e, 'f) padding_fmt_ebb
type ('a, 'b, 'c, 'e, 'f) precision_fmt_ebb = Precision_fmt_EBB :
(_, 'x -> 'a) precision *
('a, 'b, 'c, 'd, 'e, 'f) fmt ->
('x, 'b, 'c, 'e, 'f) precision_fmt_ebb
type ('p, 'b, 'c, 'e, 'f) padprec_fmt_ebb = Padprec_fmt_EBB :
('x, 'y) padding * ('y, 'p -> 'a) precision *
('a, 'b, 'c, 'd, 'e, 'f) fmt ->
('p, 'b, 'c, 'e, 'f) padprec_fmt_ebb
type ('b, 'c, 'e, 'f) fmt_ebb = Fmt_EBB :
('a, 'b, 'c, 'd, 'e, 'f) fmt ->
('b, 'c, 'e, 'f) fmt_ebb
type ('a, 'b, 'c, 'd, 'e, 'f) fmt_fmtty_ebb = Fmt_fmtty_EBB :
('a, 'b, 'c, 'd, 'y, 'x) fmt *
('x, 'b, 'c, 'y, 'e, 'f) fmtty ->
('a, 'b, 'c, 'd, 'e, 'f) fmt_fmtty_ebb
type ('a, 'b, 'c, 'd, 'e, 'f) fmtty_fmt_ebb = Fmtty_fmt_EBB :
('a, 'b, 'c, 'd, 'y, 'x) fmtty *
('x, 'b, 'c, 'y, 'e, 'f) fmt_fmtty_ebb ->
('a, 'b, 'c, 'd, 'e, 'f) fmtty_fmt_ebb
type fmtty_ebb = Fmtty_EBB : ('a, 'b, 'c, 'd, 'e, 'f) fmtty -> fmtty_ebb
type padding_ebb = Padding_EBB : ('a, 'b) padding -> padding_ebb
type precision_ebb = Precision_EBB : ('a, 'b) precision -> precision_ebb
let default_float_precision fconv =
match snd fconv with
| Float_f | Float_e | Float_E | Float_g | Float_G | Float_h | Float_H
| Float_CF -> -6
| Float_F -> 12
external format_float: string -> float -> string
= "caml_format_float"
external format_int: string -> int -> string
= "caml_format_int"
external format_int32: string -> int32 -> string
= "caml_int32_format"
external format_nativeint: string -> nativeint -> string
= "caml_nativeint_format"
external format_int64: string -> int64 -> string
= "caml_int64_format"
external hexstring_of_float: float -> int -> char -> string
= "caml_hexstring_of_float"
type buffer = {
mutable ind : int;
mutable bytes : bytes;
}
let buffer_create init_size = { ind = 0; bytes = Bytes.create init_size }
let buffer_check_size buf overhead =
let len = Bytes.length buf.bytes in
let min_len = buf.ind + overhead in
if min_len > len then (
let new_len = Int.max (len * 2) min_len in
let new_str = Bytes.create new_len in
Bytes.blit buf.bytes 0 new_str 0 len;
buf.bytes <- new_str;
)
let buffer_add_char buf c =
buffer_check_size buf 1;
Bytes.set buf.bytes buf.ind c;
buf.ind <- buf.ind + 1
let buffer_add_string buf s =
let str_len = String.length s in
buffer_check_size buf str_len;
String.blit s 0 buf.bytes buf.ind str_len;
buf.ind <- buf.ind + str_len
let buffer_contents buf =
Bytes.sub_string buf.bytes 0 buf.ind
let char_of_iconv iconv = match iconv with
| Int_d | Int_pd | Int_sd | Int_Cd -> 'd' | Int_i | Int_pi | Int_si
| Int_Ci -> 'i' | Int_x | Int_Cx -> 'x' | Int_X | Int_CX -> 'X' | Int_o
| Int_Co -> 'o' | Int_u | Int_Cu -> 'u'
let char_of_fconv ?(cF='F') fconv = match snd fconv with
| Float_f -> 'f' | Float_e -> 'e'
| Float_E -> 'E' | Float_g -> 'g'
| Float_G -> 'G' | Float_F -> cF
| Float_h -> 'h' | Float_H -> 'H'
| Float_CF -> 'F'
let char_of_counter counter = match counter with
| Line_counter -> 'l'
| Char_counter -> 'n'
| Token_counter -> 'N'
let bprint_char_set buf char_set =
let rec print_start set =
let is_alone c =
let before, after = Char.(chr (code c - 1), chr (code c + 1)) in
is_in_char_set set c
&& not (is_in_char_set set before && is_in_char_set set after) in
if is_alone ']' then buffer_add_char buf ']';
print_out set 1;
if is_alone '-' then buffer_add_char buf '-';
and print_out set i =
if i < 256 then
if is_in_char_set set (char_of_int i) then print_first set i
else print_out set (i + 1)
and print_first set i =
match char_of_int i with
| '\255' -> print_char buf 255;
| ']' | '-' -> print_out set (i + 1);
| _ -> print_second set (i + 1);
and print_second set i =
if is_in_char_set set (char_of_int i) then
match char_of_int i with
| '\255' ->
print_char buf 254;
print_char buf 255;
| ']' | '-' when not (is_in_char_set set (char_of_int (i + 1))) ->
print_char buf (i - 1);
print_out set (i + 1);
| _ when not (is_in_char_set set (char_of_int (i + 1))) ->
print_char buf (i - 1);
print_char buf i;
print_out set (i + 2);
| _ ->
print_in set (i - 1) (i + 2);
else (
print_char buf (i - 1);
print_out set (i + 1);
)
and print_in set i j =
if j = 256 || not (is_in_char_set set (char_of_int j)) then (
print_char buf i;
print_char buf (int_of_char '-');
print_char buf (j - 1);
if j < 256 then print_out set (j + 1);
) else
print_in set i (j + 1);
and print_char buf i = match char_of_int i with
| '%' -> buffer_add_char buf '%'; buffer_add_char buf '%';
| '@' -> buffer_add_char buf '%'; buffer_add_char buf '@';
| c -> buffer_add_char buf c;
in
buffer_add_char buf '[';
print_start (
if is_in_char_set char_set '\000'
then ( buffer_add_char buf '^'; rev_char_set char_set )
else char_set
);
buffer_add_char buf ']'
let bprint_padty buf padty = match padty with
| Left -> buffer_add_char buf '-'
| Right -> ()
| Zeros -> buffer_add_char buf '0'
let bprint_ignored_flag buf ign_flag =
if ign_flag then buffer_add_char buf '_'
let bprint_pad_opt buf pad_opt = match pad_opt with
| None -> ()
| Some width -> buffer_add_string buf (Int.to_string width)
let bprint_padding : type a b . buffer -> (a, b) padding -> unit =
fun buf pad -> match pad with
| No_padding -> ()
| Lit_padding (padty, n) ->
bprint_padty buf padty;
buffer_add_string buf (Int.to_string n);
| Arg_padding padty ->
bprint_padty buf padty;
buffer_add_char buf '*'
let bprint_precision : type a b . buffer -> (a, b) precision -> unit =
fun buf prec -> match prec with
| No_precision -> ()
| Lit_precision n ->
buffer_add_char buf '.';
buffer_add_string buf (Int.to_string n);
| Arg_precision ->
buffer_add_string buf ".*"
let bprint_iconv_flag buf iconv = match iconv with
| Int_pd | Int_pi -> buffer_add_char buf '+'
| Int_sd | Int_si -> buffer_add_char buf ' '
| Int_Cx | Int_CX | Int_Co | Int_Cd | Int_Ci | Int_Cu ->
buffer_add_char buf '#'
| Int_d | Int_i | Int_x | Int_X | Int_o | Int_u -> ()
let bprint_int_fmt buf ign_flag iconv pad prec =
buffer_add_char buf '%';
bprint_ignored_flag buf ign_flag;
bprint_iconv_flag buf iconv;
bprint_padding buf pad;
bprint_precision buf prec;
buffer_add_char buf (char_of_iconv iconv)
let bprint_altint_fmt buf ign_flag iconv pad prec c =
buffer_add_char buf '%';
bprint_ignored_flag buf ign_flag;
bprint_iconv_flag buf iconv;
bprint_padding buf pad;
bprint_precision buf prec;
buffer_add_char buf c;
buffer_add_char buf (char_of_iconv iconv)
let bprint_fconv_flag buf fconv =
begin match fst fconv with
| Float_flag_p -> buffer_add_char buf '+'
| Float_flag_s -> buffer_add_char buf ' '
| Float_flag_ -> () end;
match snd fconv with
| Float_CF -> buffer_add_char buf '#'
| Float_f | Float_e | Float_E | Float_g | Float_G
| Float_F | Float_h | Float_H -> ()
let bprint_float_fmt buf ign_flag fconv pad prec =
buffer_add_char buf '%';
bprint_ignored_flag buf ign_flag;
bprint_fconv_flag buf fconv;
bprint_padding buf pad;
bprint_precision buf prec;
buffer_add_char buf (char_of_fconv fconv)
let string_of_formatting_lit formatting_lit = match formatting_lit with
| Close_box -> "@]"
| Close_tag -> "@}"
| Break (str, _, _) -> str
| FFlush -> "@?"
| Force_newline -> "@\n"
| Flush_newline -> "@."
| Magic_size (str, _) -> str
| Escaped_at -> "@@"
| Escaped_percent -> "@%"
| Scan_indic c -> "@" ^ (String.make 1 c)
let bprint_char_literal buf chr = match chr with
| '%' -> buffer_add_string buf "%%"
| _ -> buffer_add_char buf chr
let bprint_string_literal buf str =
for i = 0 to String.length str - 1 do
bprint_char_literal buf str.[i]
done
let rec bprint_fmtty : type a b c d e f g h i j k l .
buffer -> (a, b, c, d, e, f, g, h, i, j, k, l) fmtty_rel -> unit =
fun buf fmtty -> match fmtty with
| Char_ty rest -> buffer_add_string buf "%c"; bprint_fmtty buf rest;
| String_ty rest -> buffer_add_string buf "%s"; bprint_fmtty buf rest;
| Int_ty rest -> buffer_add_string buf "%i"; bprint_fmtty buf rest;
| Int32_ty rest -> buffer_add_string buf "%li"; bprint_fmtty buf rest;
| Nativeint_ty rest -> buffer_add_string buf "%ni"; bprint_fmtty buf rest;
| Int64_ty rest -> buffer_add_string buf "%Li"; bprint_fmtty buf rest;
| Float_ty rest -> buffer_add_string buf "%f"; bprint_fmtty buf rest;
| Bool_ty rest -> buffer_add_string buf "%B"; bprint_fmtty buf rest;
| Alpha_ty rest -> buffer_add_string buf "%a"; bprint_fmtty buf rest;
| Theta_ty rest -> buffer_add_string buf "%t"; bprint_fmtty buf rest;
| Any_ty rest -> buffer_add_string buf "%?"; bprint_fmtty buf rest;
| Reader_ty rest -> buffer_add_string buf "%r"; bprint_fmtty buf rest;
| Ignored_reader_ty rest ->
buffer_add_string buf "%_r";
bprint_fmtty buf rest;
| Format_arg_ty (sub_fmtty, rest) ->
buffer_add_string buf "%{"; bprint_fmtty buf sub_fmtty;
buffer_add_string buf "%}"; bprint_fmtty buf rest;
| Format_subst_ty (sub_fmtty, _, rest) ->
buffer_add_string buf "%("; bprint_fmtty buf sub_fmtty;
buffer_add_string buf "%)"; bprint_fmtty buf rest;
| End_of_fmtty -> ()
let rec int_of_custom_arity : type a b c .
(a, b, c) custom_arity -> int =
function
| Custom_zero -> 0
| Custom_succ x -> 1 + int_of_custom_arity x
let bprint_fmt buf fmt =
let rec fmtiter : type a b c d e f .
(a, b, c, d, e, f) fmt -> bool -> unit =
fun fmt ign_flag -> match fmt with
| String (pad, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_padding buf pad; buffer_add_char buf 's';
fmtiter rest false;
| Caml_string (pad, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_padding buf pad; buffer_add_char buf 'S';
fmtiter rest false;
| Int (iconv, pad, prec, rest) ->
bprint_int_fmt buf ign_flag iconv pad prec;
fmtiter rest false;
| Int32 (iconv, pad, prec, rest) ->
bprint_altint_fmt buf ign_flag iconv pad prec 'l';
fmtiter rest false;
| Nativeint (iconv, pad, prec, rest) ->
bprint_altint_fmt buf ign_flag iconv pad prec 'n';
fmtiter rest false;
| Int64 (iconv, pad, prec, rest) ->
bprint_altint_fmt buf ign_flag iconv pad prec 'L';
fmtiter rest false;
| Float (fconv, pad, prec, rest) ->
bprint_float_fmt buf ign_flag fconv pad prec;
fmtiter rest false;
| Char rest ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf 'c'; fmtiter rest false;
| Caml_char rest ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf 'C'; fmtiter rest false;
| Bool (pad, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_padding buf pad; buffer_add_char buf 'B';
fmtiter rest false;
| Alpha rest ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf 'a'; fmtiter rest false;
| Theta rest ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf 't'; fmtiter rest false;
| Custom (arity, _, rest) ->
for _i = 1 to int_of_custom_arity arity do
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf '?';
done;
fmtiter rest false;
| Reader rest ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf 'r'; fmtiter rest false;
| Flush rest ->
buffer_add_string buf "%!";
fmtiter rest ign_flag;
| String_literal (str, rest) ->
bprint_string_literal buf str;
fmtiter rest ign_flag;
| Char_literal (chr, rest) ->
bprint_char_literal buf chr;
fmtiter rest ign_flag;
| Format_arg (pad_opt, fmtty, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_pad_opt buf pad_opt; buffer_add_char buf '{';
bprint_fmtty buf fmtty; buffer_add_char buf '%'; buffer_add_char buf '}';
fmtiter rest false;
| Format_subst (pad_opt, fmtty, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_pad_opt buf pad_opt; buffer_add_char buf '(';
bprint_fmtty buf fmtty; buffer_add_char buf '%'; buffer_add_char buf ')';
fmtiter rest false;
| Scan_char_set (width_opt, char_set, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_pad_opt buf width_opt; bprint_char_set buf char_set;
fmtiter rest false;
| Scan_get_counter (counter, rest) ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
buffer_add_char buf (char_of_counter counter);
fmtiter rest false;
| Scan_next_char rest ->
buffer_add_char buf '%'; bprint_ignored_flag buf ign_flag;
bprint_string_literal buf "0c"; fmtiter rest false;
| Ignored_param (ign, rest) ->
let Param_format_EBB fmt' = param_format_of_ignored_format ign rest in
fmtiter fmt' true;
| Formatting_lit (fmting_lit, rest) ->
bprint_string_literal buf (string_of_formatting_lit fmting_lit);
fmtiter rest ign_flag;
| Formatting_gen (fmting_gen, rest) ->
begin match fmting_gen with
| Open_tag (Format (_, str)) ->
buffer_add_string buf "@{"; buffer_add_string buf str
| Open_box (Format (_, str)) ->
buffer_add_string buf "@["; buffer_add_string buf str
end;
fmtiter rest ign_flag;
| End_of_format -> ()
in fmtiter fmt false
let string_of_fmt fmt =
let buf = buffer_create 16 in
bprint_fmt buf fmt;
buffer_contents buf
type (_, _) eq = Refl : ('a, 'a) eq
let rec symm : type a1 b1 c1 d1 e1 f1 a2 b2 c2 d2 e2 f2 .
(a1, b1, c1, d1, e1, f1,
a2, b2, c2, d2, e2, f2) fmtty_rel
-> (a2, b2, c2, d2, e2, f2,
a1, b1, c1, d1, e1, f1) fmtty_rel
= function
| Char_ty rest -> Char_ty (symm rest)
| Int_ty rest -> Int_ty (symm rest)
| Int32_ty rest -> Int32_ty (symm rest)
| Int64_ty rest -> Int64_ty (symm rest)
| Nativeint_ty rest -> Nativeint_ty (symm rest)
| Float_ty rest -> Float_ty (symm rest)
| Bool_ty rest -> Bool_ty (symm rest)
| String_ty rest -> String_ty (symm rest)
| Theta_ty rest -> Theta_ty (symm rest)
| Alpha_ty rest -> Alpha_ty (symm rest)
| Any_ty rest -> Any_ty (symm rest)
| Reader_ty rest -> Reader_ty (symm rest)
| Ignored_reader_ty rest -> Ignored_reader_ty (symm rest)
| Format_arg_ty (ty, rest) ->
Format_arg_ty (ty, symm rest)
| Format_subst_ty (ty1, ty2, rest) ->
Format_subst_ty (ty2, ty1, symm rest)
| End_of_fmtty -> End_of_fmtty
let rec fmtty_rel_det : type a1 b c d1 e1 f1 a2 d2 e2 f2 .
(a1, b, c, d1, e1, f1,
a2, b, c, d2, e2, f2) fmtty_rel ->
((f1, f2) eq -> (a1, a2) eq)
* ((a1, a2) eq -> (f1, f2) eq)
* ((e1, e2) eq -> (d1, d2) eq)
* ((d1, d2) eq -> (e1, e2) eq)
= function
| End_of_fmtty ->
(fun Refl -> Refl),
(fun Refl -> Refl),
(fun Refl -> Refl),
(fun Refl -> Refl)
| Char_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| String_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Int_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Int32_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Int64_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Nativeint_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Float_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Bool_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Theta_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Alpha_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Any_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Reader_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
(fun Refl -> let Refl = ed Refl in Refl),
(fun Refl -> let Refl = de Refl in Refl)
| Ignored_reader_ty rest ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
(fun Refl -> let Refl = ed Refl in Refl),
(fun Refl -> let Refl = de Refl in Refl)
| Format_arg_ty (_ty, rest) ->
let fa, af, ed, de = fmtty_rel_det rest in
(fun Refl -> let Refl = fa Refl in Refl),
(fun Refl -> let Refl = af Refl in Refl),
ed, de
| Format_subst_ty (ty1, ty2, rest) ->
let fa, af, ed, de = fmtty_rel_det rest in
let ty = trans (symm ty1) ty2 in
let ag, ga, dj, jd = fmtty_rel_det ty in
(fun Refl -> let Refl = fa Refl in let Refl = ag Refl in Refl),
(fun Refl -> let Refl = ga Refl in let Refl = af Refl in Refl),
(fun Refl -> let Refl = ed Refl in let Refl = dj Refl in Refl),
(fun Refl -> let Refl = jd Refl in let Refl = de Refl in Refl)
and trans : type
a1 b1 c1 d1 e1 f1
a2 b2 c2 d2 e2 f2
a3 b3 c3 d3 e3 f3
.
(a1, b1, c1, d1, e1, f1,
a2, b2, c2, d2, e2, f2) fmtty_rel
-> (a2, b2, c2, d2, e2, f2,
a3, b3, c3, d3, e3, f3) fmtty_rel
-> (a1, b1, c1, d1, e1, f1,
a3, b3, c3, d3, e3, f3) fmtty_rel
= fun ty1 ty2 -> match ty1, ty2 with
| Char_ty rest1, Char_ty rest2 -> Char_ty (trans rest1 rest2)
| String_ty rest1, String_ty rest2 -> String_ty (trans rest1 rest2)
| Bool_ty rest1, Bool_ty rest2 -> Bool_ty (trans rest1 rest2)
| Int_ty rest1, Int_ty rest2 -> Int_ty (trans rest1 rest2)
| Int32_ty rest1, Int32_ty rest2 -> Int32_ty (trans rest1 rest2)
| Int64_ty rest1, Int64_ty rest2 -> Int64_ty (trans rest1 rest2)
| Nativeint_ty rest1, Nativeint_ty rest2 -> Nativeint_ty (trans rest1 rest2)
| Float_ty rest1, Float_ty rest2 -> Float_ty (trans rest1 rest2)
| Alpha_ty rest1, Alpha_ty rest2 -> Alpha_ty (trans rest1 rest2)
| Alpha_ty _, _ -> assert false
| _, Alpha_ty _ -> assert false
| Theta_ty rest1, Theta_ty rest2 -> Theta_ty (trans rest1 rest2)
| Theta_ty _, _ -> assert false
| _, Theta_ty _ -> assert false
| Any_ty rest1, Any_ty rest2 -> Any_ty (trans rest1 rest2)
| Any_ty _, _ -> assert false
| _, Any_ty _ -> assert false
| Reader_ty rest1, Reader_ty rest2 -> Reader_ty (trans rest1 rest2)
| Reader_ty _, _ -> assert false
| _, Reader_ty _ -> assert false
| Ignored_reader_ty rest1, Ignored_reader_ty rest2 ->
Ignored_reader_ty (trans rest1 rest2)
| Ignored_reader_ty _, _ -> assert false
| _, Ignored_reader_ty _ -> assert false
| Format_arg_ty (ty1, rest1), Format_arg_ty (ty2, rest2) ->
Format_arg_ty (trans ty1 ty2, trans rest1 rest2)
| Format_arg_ty _, _ -> assert false
| _, Format_arg_ty _ -> assert false
| Format_subst_ty (ty11, ty12, rest1),
Format_subst_ty (ty21, ty22, rest2) ->
let ty = trans (symm ty12) ty21 in
let _, f2, _, f4 = fmtty_rel_det ty in
let Refl = f2 Refl in
let Refl = f4 Refl in
Format_subst_ty (ty11, ty22, trans rest1 rest2)
| Format_subst_ty _, _ -> assert false
| _, Format_subst_ty _ -> assert false
| End_of_fmtty, End_of_fmtty -> End_of_fmtty
| End_of_fmtty, _ -> assert false
| _, End_of_fmtty -> assert false
let rec fmtty_of_formatting_gen : type a b c d e f .
(a, b, c, d, e, f) formatting_gen ->
(a, b, c, d, e, f) fmtty =
fun formatting_gen -> match formatting_gen with
| Open_tag (Format (fmt, _)) -> fmtty_of_fmt fmt
| Open_box (Format (fmt, _)) -> fmtty_of_fmt fmt
and fmtty_of_fmt : type a b c d e f .
(a, b, c, d, e, f) fmt -> (a, b, c, d, e, f) fmtty =
fun fmtty -> match fmtty with
| String (pad, rest) ->
fmtty_of_padding_fmtty pad (String_ty (fmtty_of_fmt rest))
| Caml_string (pad, rest) ->
fmtty_of_padding_fmtty pad (String_ty (fmtty_of_fmt rest))
| Int (_, pad, prec, rest) ->
let ty_rest = fmtty_of_fmt rest in
let prec_ty = fmtty_of_precision_fmtty prec (Int_ty ty_rest) in
fmtty_of_padding_fmtty pad prec_ty
| Int32 (_, pad, prec, rest) ->
let ty_rest = fmtty_of_fmt rest in
let prec_ty = fmtty_of_precision_fmtty prec (Int32_ty ty_rest) in
fmtty_of_padding_fmtty pad prec_ty
| Nativeint (_, pad, prec, rest) ->
let ty_rest = fmtty_of_fmt rest in
let prec_ty = fmtty_of_precision_fmtty prec (Nativeint_ty ty_rest) in
fmtty_of_padding_fmtty pad prec_ty
| Int64 (_, pad, prec, rest) ->
let ty_rest = fmtty_of_fmt rest in
let prec_ty = fmtty_of_precision_fmtty prec (Int64_ty ty_rest) in
fmtty_of_padding_fmtty pad prec_ty
| Float (_, pad, prec, rest) ->
let ty_rest = fmtty_of_fmt rest in
let prec_ty = fmtty_of_precision_fmtty prec (Float_ty ty_rest) in
fmtty_of_padding_fmtty pad prec_ty
| Char rest -> Char_ty (fmtty_of_fmt rest)
| Caml_char rest -> Char_ty (fmtty_of_fmt rest)
| Bool (pad, rest) ->
fmtty_of_padding_fmtty pad (Bool_ty (fmtty_of_fmt rest))
| Alpha rest -> Alpha_ty (fmtty_of_fmt rest)
| Theta rest -> Theta_ty (fmtty_of_fmt rest)
| Custom (arity, _, rest) -> fmtty_of_custom arity (fmtty_of_fmt rest)
| Reader rest -> Reader_ty (fmtty_of_fmt rest)
| Format_arg (_, ty, rest) ->
Format_arg_ty (ty, fmtty_of_fmt rest)
| Format_subst (_, ty, rest) ->
Format_subst_ty (ty, ty, fmtty_of_fmt rest)
| Flush rest -> fmtty_of_fmt rest
| String_literal (_, rest) -> fmtty_of_fmt rest
| Char_literal (_, rest) -> fmtty_of_fmt rest
| Scan_char_set (_, _, rest) -> String_ty (fmtty_of_fmt rest)
| Scan_get_counter (_, rest) -> Int_ty (fmtty_of_fmt rest)
| Scan_next_char rest -> Char_ty (fmtty_of_fmt rest)
| Ignored_param (ign, rest) -> fmtty_of_ignored_format ign rest
| Formatting_lit (_, rest) -> fmtty_of_fmt rest
| Formatting_gen (fmting_gen, rest) ->
concat_fmtty (fmtty_of_formatting_gen fmting_gen) (fmtty_of_fmt rest)
| End_of_format -> End_of_fmtty
and fmtty_of_custom : type x y a b c d e f .
(a, x, y) custom_arity -> (a, b, c, d, e, f) fmtty ->
(y, b, c, d, e, f) fmtty =
fun arity fmtty -> match arity with
| Custom_zero -> fmtty
| Custom_succ arity -> Any_ty (fmtty_of_custom arity fmtty)
and fmtty_of_ignored_format : type x y a b c d e f .
(a, b, c, d, y, x) ignored ->
(x, b, c, y, e, f) fmt ->
(a, b, c, d, e, f) fmtty =
fun ign fmt -> match ign with
| Ignored_char -> fmtty_of_fmt fmt
| Ignored_caml_char -> fmtty_of_fmt fmt
| Ignored_string _ -> fmtty_of_fmt fmt
| Ignored_caml_string _ -> fmtty_of_fmt fmt
| Ignored_int (_, _) -> fmtty_of_fmt fmt
| Ignored_int32 (_, _) -> fmtty_of_fmt fmt
| Ignored_nativeint (_, _) -> fmtty_of_fmt fmt
| Ignored_int64 (_, _) -> fmtty_of_fmt fmt
| Ignored_float (_, _) -> fmtty_of_fmt fmt
| Ignored_bool _ -> fmtty_of_fmt fmt
| Ignored_format_arg _ -> fmtty_of_fmt fmt
| Ignored_format_subst (_, fmtty) -> concat_fmtty fmtty (fmtty_of_fmt fmt)
| Ignored_reader -> Ignored_reader_ty (fmtty_of_fmt fmt)
| Ignored_scan_char_set _ -> fmtty_of_fmt fmt
| Ignored_scan_get_counter _ -> fmtty_of_fmt fmt
| Ignored_scan_next_char -> fmtty_of_fmt fmt
and fmtty_of_padding_fmtty : type x a b c d e f .
(x, a) padding -> (a, b, c, d, e, f) fmtty -> (x, b, c, d, e, f) fmtty =
fun pad fmtty -> match pad with
| No_padding -> fmtty
| Lit_padding _ -> fmtty
| Arg_padding _ -> Int_ty fmtty
and fmtty_of_precision_fmtty : type x a b c d e f .
(x, a) precision -> (a, b, c, d, e, f) fmtty -> (x, b, c, d, e, f) fmtty =
fun prec fmtty -> match prec with
| No_precision -> fmtty
| Lit_precision _ -> fmtty
| Arg_precision -> Int_ty fmtty
exception Type_mismatch
let type_padding : type a b c d e f x y .
(x, y) padding -> (a, b, c, d, e, f) fmtty ->
(a, b, c, d, e, f) padding_fmtty_ebb =
fun pad fmtty -> match pad, fmtty with
| No_padding, _ -> Padding_fmtty_EBB (No_padding, fmtty)
| Lit_padding (padty, w), _ -> Padding_fmtty_EBB (Lit_padding (padty,w),fmtty)
| Arg_padding padty, Int_ty rest -> Padding_fmtty_EBB (Arg_padding padty,rest)
| _ -> raise Type_mismatch
let type_padprec : type a b c d e f x y z .
(x, y) padding -> (y, z) precision -> (a, b, c, d, e, f) fmtty ->
(a, b, c, d, e, f) padprec_fmtty_ebb =
fun pad prec fmtty -> match prec, type_padding pad fmtty with
| No_precision, Padding_fmtty_EBB (pad, rest) ->
Padprec_fmtty_EBB (pad, No_precision, rest)
| Lit_precision p, Padding_fmtty_EBB (pad, rest) ->
Padprec_fmtty_EBB (pad, Lit_precision p, rest)
| Arg_precision, Padding_fmtty_EBB (pad, Int_ty rest) ->
Padprec_fmtty_EBB (pad, Arg_precision, rest)
| _, Padding_fmtty_EBB (_, _) -> raise Type_mismatch
let rec type_format :
type a1 b1 c1 d1 e1 f1
a2 b2 c2 d2 e2 f2 .
(a1, b1, c1, d1, e1, f1) fmt
-> (a2, b2, c2, d2, e2, f2) fmtty
-> (a2, b2, c2, d2, e2, f2) fmt
= fun fmt fmtty -> match type_format_gen fmt fmtty with
| Fmt_fmtty_EBB (fmt', End_of_fmtty) -> fmt'
| _ -> raise Type_mismatch
and type_format_gen :
type a1 b1 c1 d1 e1 f1
a2 b2 c2 d2 e2 f2 .
(a1, b1, c1, d1, e1, f1) fmt
-> (a2, b2, c2, d2, e2, f2) fmtty
-> (a2, b2, c2, d2, e2, f2) fmt_fmtty_ebb
= fun fmt fmtty -> match fmt, fmtty with
| Char fmt_rest, Char_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Char fmt', fmtty')
| Caml_char fmt_rest, Char_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Caml_char fmt', fmtty')
| String (pad, fmt_rest), _ -> (
match type_padding pad fmtty with
| Padding_fmtty_EBB (pad, String_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (String (pad, fmt'), fmtty')
| Padding_fmtty_EBB (_, _) -> raise Type_mismatch
)
| Caml_string (pad, fmt_rest), _ -> (
match type_padding pad fmtty with
| Padding_fmtty_EBB (pad, String_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Caml_string (pad, fmt'), fmtty')
| Padding_fmtty_EBB (_, _) -> raise Type_mismatch
)
| Int (iconv, pad, prec, fmt_rest), _ -> (
match type_padprec pad prec fmtty with
| Padprec_fmtty_EBB (pad, prec, Int_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Int (iconv, pad, prec, fmt'), fmtty')
| Padprec_fmtty_EBB (_, _, _) -> raise Type_mismatch
)
| Int32 (iconv, pad, prec, fmt_rest), _ -> (
match type_padprec pad prec fmtty with
| Padprec_fmtty_EBB (pad, prec, Int32_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Int32 (iconv, pad, prec, fmt'), fmtty')
| Padprec_fmtty_EBB (_, _, _) -> raise Type_mismatch
)
| Nativeint (iconv, pad, prec, fmt_rest), _ -> (
match type_padprec pad prec fmtty with
| Padprec_fmtty_EBB (pad, prec, Nativeint_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Nativeint (iconv, pad, prec, fmt'), fmtty')
| Padprec_fmtty_EBB (_, _, _) -> raise Type_mismatch
)
| Int64 (iconv, pad, prec, fmt_rest), _ -> (
match type_padprec pad prec fmtty with
| Padprec_fmtty_EBB (pad, prec, Int64_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Int64 (iconv, pad, prec, fmt'), fmtty')
| Padprec_fmtty_EBB (_, _, _) -> raise Type_mismatch
)
| Float (fconv, pad, prec, fmt_rest), _ -> (
match type_padprec pad prec fmtty with
| Padprec_fmtty_EBB (pad, prec, Float_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Float (fconv, pad, prec, fmt'), fmtty')
| Padprec_fmtty_EBB (_, _, _) -> raise Type_mismatch
)
| Bool (pad, fmt_rest), _ -> (
match type_padding pad fmtty with
| Padding_fmtty_EBB (pad, Bool_ty fmtty_rest) ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Bool (pad, fmt'), fmtty')
| Padding_fmtty_EBB (_, _) -> raise Type_mismatch
)
| Flush fmt_rest, fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Flush fmt', fmtty')
| String_literal (str, fmt_rest), fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (String_literal (str, fmt'), fmtty')
| Char_literal (chr, fmt_rest), fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Char_literal (chr, fmt'), fmtty')
| Format_arg (pad_opt, sub_fmtty, fmt_rest),
Format_arg_ty (sub_fmtty', fmtty_rest) ->
if Fmtty_EBB sub_fmtty <> Fmtty_EBB sub_fmtty' then raise Type_mismatch;
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Format_arg (pad_opt, sub_fmtty', fmt'), fmtty')
| Format_subst (pad_opt, sub_fmtty, fmt_rest),
Format_subst_ty (sub_fmtty1, _sub_fmtty2, fmtty_rest) ->
if Fmtty_EBB (erase_rel sub_fmtty) <> Fmtty_EBB (erase_rel sub_fmtty1) then
raise Type_mismatch;
let Fmt_fmtty_EBB (fmt', fmtty') =
type_format_gen fmt_rest (erase_rel fmtty_rest)
in
Fmt_fmtty_EBB (Format_subst (pad_opt, sub_fmtty1, fmt'), fmtty')
| Alpha fmt_rest, Alpha_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Alpha fmt', fmtty')
| Theta fmt_rest, Theta_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Theta fmt', fmtty')
| Formatting_lit (formatting_lit, fmt_rest), fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Formatting_lit (formatting_lit, fmt'), fmtty')
| Formatting_gen (formatting_gen, fmt_rest), fmtty_rest ->
type_formatting_gen formatting_gen fmt_rest fmtty_rest
| Reader fmt_rest, Reader_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Reader fmt', fmtty')
| Scan_char_set (width_opt, char_set, fmt_rest), String_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Scan_char_set (width_opt, char_set, fmt'), fmtty')
| Scan_get_counter (counter, fmt_rest), Int_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt_rest fmtty_rest in
Fmt_fmtty_EBB (Scan_get_counter (counter, fmt'), fmtty')
| Ignored_param (ign, rest), fmtty_rest ->
type_ignored_param ign rest fmtty_rest
| End_of_format, fmtty_rest -> Fmt_fmtty_EBB (End_of_format, fmtty_rest)
| _ -> raise Type_mismatch
and type_formatting_gen : type a1 a3 b1 b3 c1 c3 d1 d3 e1 e2 e3 f1 f2 f3 .
(a1, b1, c1, d1, e1, f1) formatting_gen ->
(f1, b1, c1, e1, e2, f2) fmt ->
(a3, b3, c3, d3, e3, f3) fmtty ->
(a3, b3, c3, d3, e3, f3) fmt_fmtty_ebb =
fun formatting_gen fmt0 fmtty0 -> match formatting_gen with
| Open_tag (Format (fmt1, str)) ->
let Fmt_fmtty_EBB (fmt2, fmtty2) = type_format_gen fmt1 fmtty0 in
let Fmt_fmtty_EBB (fmt3, fmtty3) = type_format_gen fmt0 fmtty2 in
Fmt_fmtty_EBB (Formatting_gen (Open_tag (Format (fmt2, str)), fmt3), fmtty3)
| Open_box (Format (fmt1, str)) ->
let Fmt_fmtty_EBB (fmt2, fmtty2) = type_format_gen fmt1 fmtty0 in
let Fmt_fmtty_EBB (fmt3, fmtty3) = type_format_gen fmt0 fmtty2 in
Fmt_fmtty_EBB (Formatting_gen (Open_box (Format (fmt2, str)), fmt3), fmtty3)
and type_ignored_param : type p q x y z t u v a b c d e f .
(x, y, z, t, q, p) ignored ->
(p, y, z, q, u, v) fmt ->
(a, b, c, d, e, f) fmtty ->
(a, b, c, d, e, f) fmt_fmtty_ebb =
fun ign fmt fmtty -> match ign with
| Ignored_char as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_caml_char as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_string _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_caml_string _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_int _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_int32 _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_nativeint _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_int64 _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_float _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_bool _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_scan_char_set _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_scan_get_counter _ as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_scan_next_char as ign' -> type_ignored_param_one ign' fmt fmtty
| Ignored_format_arg (pad_opt, sub_fmtty) ->
type_ignored_param_one (Ignored_format_arg (pad_opt, sub_fmtty)) fmt fmtty
| Ignored_format_subst (pad_opt, sub_fmtty) ->
let Fmtty_fmt_EBB (sub_fmtty', Fmt_fmtty_EBB (fmt', fmtty')) =
type_ignored_format_substitution sub_fmtty fmt fmtty in
Fmt_fmtty_EBB (Ignored_param (Ignored_format_subst (pad_opt, sub_fmtty'),
fmt'),
fmtty')
| Ignored_reader -> (
match fmtty with
| Ignored_reader_ty fmtty_rest ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt fmtty_rest in
Fmt_fmtty_EBB (Ignored_param (Ignored_reader, fmt'), fmtty')
| _ -> raise Type_mismatch
)
and type_ignored_param_one : type a1 a2 b1 b2 c1 c2 d1 d2 e1 e2 f1 f2 .
(a2, b2, c2, d2, d2, a2) ignored ->
(a1, b1, c1, d1, e1, f1) fmt ->
(a2, b2, c2, d2, e2, f2) fmtty ->
(a2, b2, c2, d2, e2, f2) fmt_fmtty_ebb
= fun ign fmt fmtty ->
let Fmt_fmtty_EBB (fmt', fmtty') = type_format_gen fmt fmtty in
Fmt_fmtty_EBB (Ignored_param (ign, fmt'), fmtty')
and type_ignored_format_substitution : type w x y z p s t u a b c d e f .
(w, x, y, z, s, p) fmtty ->
(p, x, y, s, t, u) fmt ->
(a, b, c, d, e, f) fmtty -> (a, b, c, d, e, f) fmtty_fmt_ebb =
fun sub_fmtty fmt fmtty -> match sub_fmtty, fmtty with
| Char_ty sub_fmtty_rest, Char_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Char_ty sub_fmtty_rest', fmt')
| String_ty sub_fmtty_rest, String_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (String_ty sub_fmtty_rest', fmt')
| Int_ty sub_fmtty_rest, Int_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Int_ty sub_fmtty_rest', fmt')
| Int32_ty sub_fmtty_rest, Int32_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Int32_ty sub_fmtty_rest', fmt')
| Nativeint_ty sub_fmtty_rest, Nativeint_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Nativeint_ty sub_fmtty_rest', fmt')
| Int64_ty sub_fmtty_rest, Int64_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Int64_ty sub_fmtty_rest', fmt')
| Float_ty sub_fmtty_rest, Float_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Float_ty sub_fmtty_rest', fmt')
| Bool_ty sub_fmtty_rest, Bool_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Bool_ty sub_fmtty_rest', fmt')
| Alpha_ty sub_fmtty_rest, Alpha_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Alpha_ty sub_fmtty_rest', fmt')
| Theta_ty sub_fmtty_rest, Theta_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Theta_ty sub_fmtty_rest', fmt')
| Reader_ty sub_fmtty_rest, Reader_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Reader_ty sub_fmtty_rest', fmt')
| Ignored_reader_ty sub_fmtty_rest, Ignored_reader_ty fmtty_rest ->
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Ignored_reader_ty sub_fmtty_rest', fmt')
| Format_arg_ty (sub2_fmtty, sub_fmtty_rest),
Format_arg_ty (sub2_fmtty', fmtty_rest) ->
if Fmtty_EBB sub2_fmtty <> Fmtty_EBB sub2_fmtty' then raise Type_mismatch;
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution sub_fmtty_rest fmt fmtty_rest in
Fmtty_fmt_EBB (Format_arg_ty (sub2_fmtty', sub_fmtty_rest'), fmt')
| Format_subst_ty (sub1_fmtty, sub2_fmtty, sub_fmtty_rest),
Format_subst_ty (sub1_fmtty', sub2_fmtty', fmtty_rest) ->
if Fmtty_EBB (erase_rel sub1_fmtty) <> Fmtty_EBB (erase_rel sub1_fmtty')
then raise Type_mismatch;
if Fmtty_EBB (erase_rel sub2_fmtty) <> Fmtty_EBB (erase_rel sub2_fmtty')
then raise Type_mismatch;
let sub_fmtty' = trans (symm sub1_fmtty') sub2_fmtty' in
let _, f2, _, f4 = fmtty_rel_det sub_fmtty' in
let Refl = f2 Refl in
let Refl = f4 Refl in
let Fmtty_fmt_EBB (sub_fmtty_rest', fmt') =
type_ignored_format_substitution (erase_rel sub_fmtty_rest) fmt fmtty_rest
in
Fmtty_fmt_EBB (Format_subst_ty (sub1_fmtty', sub2_fmtty',
symm sub_fmtty_rest'),
fmt')
| End_of_fmtty, fmtty ->
Fmtty_fmt_EBB (End_of_fmtty, type_format_gen fmt fmtty)
| _ -> raise Type_mismatch
let recast :
type a1 b1 c1 d1 e1 f1
a2 b2 c2 d2 e2 f2
.
(a1, b1, c1, d1, e1, f1) fmt
-> (a1, b1, c1, d1, e1, f1,
a2, b2, c2, d2, e2, f2) fmtty_rel
-> (a2, b2, c2, d2, e2, f2) fmt
= fun fmt fmtty ->
type_format fmt (erase_rel (symm fmtty))
let fix_padding padty width str =
let len = String.length str in
let width, padty =
abs width,
if width < 0 then Left else padty in
if width <= len then str else
let res = Bytes.make width (if padty = Zeros then '0' else ' ') in
begin match padty with
| Left -> String.blit str 0 res 0 len
| Right -> String.blit str 0 res (width - len) len
| Zeros when len > 0 && (str.[0] = '+' || str.[0] = '-' || str.[0] = ' ') ->
Bytes.set res 0 str.[0];
String.blit str 1 res (width - len + 1) (len - 1)
| Zeros when len > 1 && str.[0] = '0' && (str.[1] = 'x' || str.[1] = 'X') ->
Bytes.set res 1 str.[1];
String.blit str 2 res (width - len + 2) (len - 2)
| Zeros ->
String.blit str 0 res (width - len) len
end;
Bytes.unsafe_to_string res
let fix_int_precision prec str =
let prec = abs prec in
let len = String.length str in
match str.[0] with
| ('+' | '-' | ' ') as c when prec + 1 > len ->
let res = Bytes.make (prec + 1) '0' in
Bytes.set res 0 c;
String.blit str 1 res (prec - len + 2) (len - 1);
Bytes.unsafe_to_string res
| '0' when prec + 2 > len && len > 1 && (str.[1] = 'x' || str.[1] = 'X') ->
let res = Bytes.make (prec + 2) '0' in
Bytes.set res 1 str.[1];
String.blit str 2 res (prec - len + 4) (len - 2);
Bytes.unsafe_to_string res
| '0' .. '9' | 'a' .. 'f' | 'A' .. 'F' when prec > len ->
let res = Bytes.make prec '0' in
String.blit str 0 res (prec - len) len;
Bytes.unsafe_to_string res
| _ ->
str
let string_to_caml_string str =
let str = String.escaped str in
let l = String.length str in
let res = Bytes.make (l + 2) '\"' in
String.unsafe_blit str 0 res 1 l;
Bytes.unsafe_to_string res
let format_of_iconv = function
| Int_d | Int_Cd -> "%d" | Int_pd -> "%+d" | Int_sd -> "% d"
| Int_i | Int_Ci -> "%i" | Int_pi -> "%+i" | Int_si -> "% i"
| Int_x -> "%x" | Int_Cx -> "%#x"
| Int_X -> "%X" | Int_CX -> "%#X"
| Int_o -> "%o" | Int_Co -> "%#o"
| Int_u | Int_Cu -> "%u"
let format_of_iconvL = function
| Int_d | Int_Cd -> "%Ld" | Int_pd -> "%+Ld" | Int_sd -> "% Ld"
| Int_i | Int_Ci -> "%Li" | Int_pi -> "%+Li" | Int_si -> "% Li"
| Int_x -> "%Lx" | Int_Cx -> "%#Lx"
| Int_X -> "%LX" | Int_CX -> "%#LX"
| Int_o -> "%Lo" | Int_Co -> "%#Lo"
| Int_u | Int_Cu -> "%Lu"
let format_of_iconvl = function
| Int_d | Int_Cd -> "%ld" | Int_pd -> "%+ld" | Int_sd -> "% ld"
| Int_i | Int_Ci -> "%li" | Int_pi -> "%+li" | Int_si -> "% li"
| Int_x -> "%lx" | Int_Cx -> "%#lx"
| Int_X -> "%lX" | Int_CX -> "%#lX"
| Int_o -> "%lo" | Int_Co -> "%#lo"
| Int_u | Int_Cu -> "%lu"
let format_of_iconvn = function
| Int_d | Int_Cd -> "%nd" | Int_pd -> "%+nd" | Int_sd -> "% nd"
| Int_i | Int_Ci -> "%ni" | Int_pi -> "%+ni" | Int_si -> "% ni"
| Int_x -> "%nx" | Int_Cx -> "%#nx"
| Int_X -> "%nX" | Int_CX -> "%#nX"
| Int_o -> "%no" | Int_Co -> "%#no"
| Int_u | Int_Cu -> "%nu"
let format_of_fconv fconv prec =
let prec = abs prec in
let symb = char_of_fconv ~cF:'g' fconv in
let buf = buffer_create 16 in
buffer_add_char buf '%';
bprint_fconv_flag buf fconv;
buffer_add_char buf '.';
buffer_add_string buf (Int.to_string prec);
buffer_add_char buf symb;
buffer_contents buf
let transform_int_alt iconv s =
match iconv with
| Int_Cd | Int_Ci | Int_Cu ->
let digits =
let n = ref 0 in
for i = 0 to String.length s - 1 do
match String.unsafe_get s i with
| '0'..'9' -> incr n
| _ -> ()
done;
!n
in
let buf = Bytes.create (String.length s + (digits - 1) / 3) in
let pos = ref 0 in
let put c = Bytes.set buf !pos c; incr pos in
let left = ref ((digits - 1) mod 3 + 1) in
for i = 0 to String.length s - 1 do
match String.unsafe_get s i with
| '0'..'9' as c ->
if !left = 0 then (put '_'; left := 3); decr left; put c
| c -> put c
done;
Bytes.unsafe_to_string buf
| _ -> s
let convert_int iconv n =
transform_int_alt iconv (format_int (format_of_iconv iconv) n)
let convert_int32 iconv n =
transform_int_alt iconv (format_int32 (format_of_iconvl iconv) n)
let convert_nativeint iconv n =
transform_int_alt iconv (format_nativeint (format_of_iconvn iconv) n)
let convert_int64 iconv n =
transform_int_alt iconv (format_int64 (format_of_iconvL iconv) n)
let convert_float fconv prec x =
let hex () =
let sign =
match fst fconv with
| Float_flag_p -> '+'
| Float_flag_s -> ' '
| _ -> '-' in
hexstring_of_float x prec sign in
let add_dot_if_needed str =
let len = String.length str in
let rec is_valid i =
if i = len then false else
match str.[i] with
| '.' | 'e' | 'E' -> true
| _ -> is_valid (i + 1) in
if is_valid 0 then str else str ^ "." in
let caml_special_val str = match classify_float x with
| FP_normal | FP_subnormal | FP_zero -> str
| FP_infinite -> if x < 0.0 then "neg_infinity" else "infinity"
| FP_nan -> "nan" in
match snd fconv with
| Float_h -> hex ()
| Float_H -> String.uppercase_ascii (hex ())
| Float_CF -> caml_special_val (hex ())
| Float_F ->
let str = format_float (format_of_fconv fconv prec) x in
caml_special_val (add_dot_if_needed str)
| Float_f | Float_e | Float_E | Float_g | Float_G ->
format_float (format_of_fconv fconv prec) x
let format_caml_char c =
let str = Char.escaped c in
let l = String.length str in
let res = Bytes.make (l + 2) '\'' in
String.unsafe_blit str 0 res 1 l;
Bytes.unsafe_to_string res
let string_of_fmtty fmtty =
let buf = buffer_create 16 in
bprint_fmtty buf fmtty;
buffer_contents buf
let rec make_printf : type a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, e, f) fmt -> a =
fun k acc fmt -> match fmt with
| Char rest ->
fun c ->
let new_acc = Acc_data_char (acc, c) in
make_printf k new_acc rest
| Caml_char rest ->
fun c ->
let new_acc = Acc_data_string (acc, format_caml_char c) in
make_printf k new_acc rest
| String (pad, rest) ->
make_padding k acc rest pad (fun str -> str)
| Caml_string (pad, rest) ->
make_padding k acc rest pad string_to_caml_string
| Int (iconv, pad, prec, rest) ->
make_int_padding_precision k acc rest pad prec convert_int iconv
| Int32 (iconv, pad, prec, rest) ->
make_int_padding_precision k acc rest pad prec convert_int32 iconv
| Nativeint (iconv, pad, prec, rest) ->
make_int_padding_precision k acc rest pad prec convert_nativeint iconv
| Int64 (iconv, pad, prec, rest) ->
make_int_padding_precision k acc rest pad prec convert_int64 iconv
| Float (fconv, pad, prec, rest) ->
make_float_padding_precision k acc rest pad prec fconv
| Bool (pad, rest) ->
make_padding k acc rest pad string_of_bool
| Alpha rest ->
fun f x -> make_printf k (Acc_delay (acc, fun o -> f o x)) rest
| Theta rest ->
fun f -> make_printf k (Acc_delay (acc, f)) rest
| Custom (arity, f, rest) ->
make_custom k acc rest arity (f ())
| Reader _ ->
assert false
| Flush rest ->
make_printf k (Acc_flush acc) rest
| String_literal (str, rest) ->
make_printf k (Acc_string_literal (acc, str)) rest
| Char_literal (chr, rest) ->
make_printf k (Acc_char_literal (acc, chr)) rest
| Format_arg (_, sub_fmtty, rest) ->
let ty = string_of_fmtty sub_fmtty in
(fun str ->
ignore str;
make_printf k (Acc_data_string (acc, ty)) rest)
| Format_subst (_, fmtty, rest) ->
fun (Format (fmt, _)) -> make_printf k acc
(concat_fmt (recast fmt fmtty) rest)
| Scan_char_set (_, _, rest) ->
let new_acc = Acc_invalid_arg (acc, "Printf: bad conversion %[") in
fun _ -> make_printf k new_acc rest
| Scan_get_counter (_, rest) ->
fun n ->
let new_acc = Acc_data_string (acc, format_int "%u" n) in
make_printf k new_acc rest
| Scan_next_char rest ->
fun c ->
let new_acc = Acc_data_char (acc, c) in
make_printf k new_acc rest
| Ignored_param (ign, rest) ->
make_ignored_param k acc ign rest
| Formatting_lit (fmting_lit, rest) ->
make_printf k (Acc_formatting_lit (acc, fmting_lit)) rest
| Formatting_gen (Open_tag (Format (fmt', _)), rest) ->
let k' kacc =
make_printf k (Acc_formatting_gen (acc, Acc_open_tag kacc)) rest in
make_printf k' End_of_acc fmt'
| Formatting_gen (Open_box (Format (fmt', _)), rest) ->
let k' kacc =
make_printf k (Acc_formatting_gen (acc, Acc_open_box kacc)) rest in
make_printf k' End_of_acc fmt'
| End_of_format ->
k acc
and make_ignored_param : type x y a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, y, x) ignored ->
(x, b, c, y, e, f) fmt -> a =
fun k acc ign fmt -> match ign with
| Ignored_char -> make_invalid_arg k acc fmt
| Ignored_caml_char -> make_invalid_arg k acc fmt
| Ignored_string _ -> make_invalid_arg k acc fmt
| Ignored_caml_string _ -> make_invalid_arg k acc fmt
| Ignored_int (_, _) -> make_invalid_arg k acc fmt
| Ignored_int32 (_, _) -> make_invalid_arg k acc fmt
| Ignored_nativeint (_, _) -> make_invalid_arg k acc fmt
| Ignored_int64 (_, _) -> make_invalid_arg k acc fmt
| Ignored_float (_, _) -> make_invalid_arg k acc fmt
| Ignored_bool _ -> make_invalid_arg k acc fmt
| Ignored_format_arg _ -> make_invalid_arg k acc fmt
| Ignored_format_subst (_, fmtty) -> make_from_fmtty k acc fmtty fmt
| Ignored_reader -> assert false
| Ignored_scan_char_set _ -> make_invalid_arg k acc fmt
| Ignored_scan_get_counter _ -> make_invalid_arg k acc fmt
| Ignored_scan_next_char -> make_invalid_arg k acc fmt
and make_from_fmtty : type x y a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, y, x) fmtty ->
(x, b, c, y, e, f) fmt -> a =
fun k acc fmtty fmt -> match fmtty with
| Char_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| String_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Int_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Int32_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Nativeint_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Int64_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Float_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Bool_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Alpha_ty rest -> fun _ _ -> make_from_fmtty k acc rest fmt
| Theta_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Any_ty rest -> fun _ -> make_from_fmtty k acc rest fmt
| Reader_ty _ -> assert false
| Ignored_reader_ty _ -> assert false
| Format_arg_ty (_, rest) -> fun _ -> make_from_fmtty k acc rest fmt
| End_of_fmtty -> make_invalid_arg k acc fmt
| Format_subst_ty (ty1, ty2, rest) ->
let ty = trans (symm ty1) ty2 in
fun _ -> make_from_fmtty k acc (concat_fmtty ty rest) fmt
and make_invalid_arg : type a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, e, f) fmt -> a =
fun k acc fmt ->
make_printf k (Acc_invalid_arg (acc, "Printf: bad conversion %_")) fmt
and make_padding : type x z a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, e, f) fmt ->
(x, z -> a) padding -> (z -> string) -> x =
fun k acc fmt pad trans -> match pad with
| No_padding ->
fun x ->
let new_acc = Acc_data_string (acc, trans x) in
make_printf k new_acc fmt
| Lit_padding (padty, width) ->
fun x ->
let new_acc = Acc_data_string (acc, fix_padding padty width (trans x)) in
make_printf k new_acc fmt
| Arg_padding padty ->
fun w x ->
let new_acc = Acc_data_string (acc, fix_padding padty w (trans x)) in
make_printf k new_acc fmt
and make_int_padding_precision : type x y z a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, e, f) fmt ->
(x, y) padding -> (y, z -> a) precision -> (int_conv -> z -> string) ->
int_conv -> x =
fun k acc fmt pad prec trans iconv -> match pad, prec with
| No_padding, No_precision ->
fun x ->
let str = trans iconv x in
make_printf k (Acc_data_string (acc, str)) fmt
| No_padding, Lit_precision p ->
fun x ->
let str = fix_int_precision p (trans iconv x) in
make_printf k (Acc_data_string (acc, str)) fmt
| No_padding, Arg_precision ->
fun p x ->
let str = fix_int_precision p (trans iconv x) in
make_printf k (Acc_data_string (acc, str)) fmt
| Lit_padding (padty, w), No_precision ->
fun x ->
let str = fix_padding padty w (trans iconv x) in
make_printf k (Acc_data_string (acc, str)) fmt
| Lit_padding (padty, w), Lit_precision p ->
fun x ->
let str = fix_padding padty w (fix_int_precision p (trans iconv x)) in
make_printf k (Acc_data_string (acc, str)) fmt
| Lit_padding (padty, w), Arg_precision ->
fun p x ->
let str = fix_padding padty w (fix_int_precision p (trans iconv x)) in
make_printf k (Acc_data_string (acc, str)) fmt
| Arg_padding padty, No_precision ->
fun w x ->
let str = fix_padding padty w (trans iconv x) in
make_printf k (Acc_data_string (acc, str)) fmt
| Arg_padding padty, Lit_precision p ->
fun w x ->
let str = fix_padding padty w (fix_int_precision p (trans iconv x)) in
make_printf k (Acc_data_string (acc, str)) fmt
| Arg_padding padty, Arg_precision ->
fun w p x ->
let str = fix_padding padty w (fix_int_precision p (trans iconv x)) in
make_printf k (Acc_data_string (acc, str)) fmt
and make_float_padding_precision : type x y a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, e, f) fmt ->
(x, y) padding -> (y, float -> a) precision -> float_conv -> x =
fun k acc fmt pad prec fconv -> match pad, prec with
| No_padding, No_precision ->
fun x ->
let str = convert_float fconv (default_float_precision fconv) x in
make_printf k (Acc_data_string (acc, str)) fmt
| No_padding, Lit_precision p ->
fun x ->
let str = convert_float fconv p x in
make_printf k (Acc_data_string (acc, str)) fmt
| No_padding, Arg_precision ->
fun p x ->
let str = convert_float fconv p x in
make_printf k (Acc_data_string (acc, str)) fmt
| Lit_padding (padty, w), No_precision ->
fun x ->
let str = convert_float fconv (default_float_precision fconv) x in
let str' = fix_padding padty w str in
make_printf k (Acc_data_string (acc, str')) fmt
| Lit_padding (padty, w), Lit_precision p ->
fun x ->
let str = fix_padding padty w (convert_float fconv p x) in
make_printf k (Acc_data_string (acc, str)) fmt
| Lit_padding (padty, w), Arg_precision ->
fun p x ->
let str = fix_padding padty w (convert_float fconv p x) in
make_printf k (Acc_data_string (acc, str)) fmt
| Arg_padding padty, No_precision ->
fun w x ->
let str = convert_float fconv (default_float_precision fconv) x in
let str' = fix_padding padty w str in
make_printf k (Acc_data_string (acc, str')) fmt
| Arg_padding padty, Lit_precision p ->
fun w x ->
let str = fix_padding padty w (convert_float fconv p x) in
make_printf k (Acc_data_string (acc, str)) fmt
| Arg_padding padty, Arg_precision ->
fun w p x ->
let str = fix_padding padty w (convert_float fconv p x) in
make_printf k (Acc_data_string (acc, str)) fmt
and make_custom : type x y a b c d e f .
((b, c) acc -> f) -> (b, c) acc ->
(a, b, c, d, e, f) fmt ->
(a, x, y) custom_arity -> x -> y =
fun k acc rest arity f -> match arity with
| Custom_zero -> make_printf k (Acc_data_string (acc, f)) rest
| Custom_succ arity ->
fun x ->
make_custom k acc rest arity (f x)
let const x _ = x
let rec make_iprintf : type a b c d e f state.
(state -> f) -> state -> (a, b, c, d, e, f) fmt -> a =
fun k o fmt -> match fmt with
| Char rest ->
const (make_iprintf k o rest)
| Caml_char rest ->
const (make_iprintf k o rest)
| String (No_padding, rest) ->
const (make_iprintf k o rest)
| String (Lit_padding _, rest) ->
const (make_iprintf k o rest)
| String (Arg_padding _, rest) ->
const (const (make_iprintf k o rest))
| Caml_string (No_padding, rest) ->
const (make_iprintf k o rest)
| Caml_string (Lit_padding _, rest) ->
const (make_iprintf k o rest)
| Caml_string (Arg_padding _, rest) ->
const (const (make_iprintf k o rest))
| Int (_, pad, prec, rest) ->
fn_of_padding_precision k o rest pad prec
| Int32 (_, pad, prec, rest) ->
fn_of_padding_precision k o rest pad prec
| Nativeint (_, pad, prec, rest) ->
fn_of_padding_precision k o rest pad prec
| Int64 (_, pad, prec, rest) ->
fn_of_padding_precision k o rest pad prec
| Float (_, pad, prec, rest) ->
fn_of_padding_precision k o rest pad prec
| Bool (No_padding, rest) ->
const (make_iprintf k o rest)
| Bool (Lit_padding _, rest) ->
const (make_iprintf k o rest)
| Bool (Arg_padding _, rest) ->
const (const (make_iprintf k o rest))
| Alpha rest ->
const (const (make_iprintf k o rest))
| Theta rest ->
const (make_iprintf k o rest)
| Custom (arity, _, rest) ->
fn_of_custom_arity k o rest arity
| Reader _ ->
assert false
| Flush rest ->
make_iprintf k o rest
| String_literal (_, rest) ->
make_iprintf k o rest
| Char_literal (_, rest) ->
make_iprintf k o rest
| Format_arg (_, _, rest) ->
const (make_iprintf k o rest)
| Format_subst (_, fmtty, rest) ->
fun (Format (fmt, _)) ->
make_iprintf k o
(concat_fmt (recast fmt fmtty) rest)
| Scan_char_set (_, _, rest) ->
const (make_iprintf k o rest)
| Scan_get_counter (_, rest) ->
const (make_iprintf k o rest)
| Scan_next_char rest ->
const (make_iprintf k o rest)
| Ignored_param (ign, rest) ->
make_ignored_param (fun _ -> k o) (End_of_acc) ign rest
| Formatting_lit (_, rest) ->
make_iprintf k o rest
| Formatting_gen (Open_tag (Format (fmt', _)), rest) ->
make_iprintf (fun koc -> make_iprintf k koc rest) o fmt'
| Formatting_gen (Open_box (Format (fmt', _)), rest) ->
make_iprintf (fun koc -> make_iprintf k koc rest) o fmt'
| End_of_format ->
k o
and fn_of_padding_precision :
type x y z a b c d e f state.
(state -> f) -> state -> (a, b, c, d, e, f) fmt ->
(x, y) padding -> (y, z -> a) precision -> x =
fun k o fmt pad prec -> match pad, prec with
| No_padding , No_precision ->
const (make_iprintf k o fmt)
| No_padding , Lit_precision _ ->
const (make_iprintf k o fmt)
| No_padding , Arg_precision ->
const (const (make_iprintf k o fmt))
| Lit_padding _, No_precision ->
const (make_iprintf k o fmt)
| Lit_padding _, Lit_precision _ ->
const (make_iprintf k o fmt)
| Lit_padding _, Arg_precision ->
const (const (make_iprintf k o fmt))
| Arg_padding _, No_precision ->
const (const (make_iprintf k o fmt))
| Arg_padding _, Lit_precision _ ->
const (const (make_iprintf k o fmt))
| Arg_padding _, Arg_precision ->
const (const (const (make_iprintf k o fmt)))
and fn_of_custom_arity : type x y a b c d e f state.
(state -> f) ->
state -> (a, b, c, d, e, f) fmt -> (a, x, y) custom_arity -> y =
fun k o fmt -> function
| Custom_zero ->
make_iprintf k o fmt
| Custom_succ arity ->
const (fn_of_custom_arity k o fmt arity)
let rec output_acc o acc = match acc with
| Acc_formatting_lit (p, fmting_lit) ->
let s = string_of_formatting_lit fmting_lit in
output_acc o p; output_string o s;
| Acc_formatting_gen (p, Acc_open_tag acc') ->
output_acc o p; output_string o "@{"; output_acc o acc';
| Acc_formatting_gen (p, Acc_open_box acc') ->
output_acc o p; output_string o "@["; output_acc o acc';
| Acc_string_literal (p, s)
| Acc_data_string (p, s) -> output_acc o p; output_string o s
| Acc_char_literal (p, c)
| Acc_data_char (p, c) -> output_acc o p; output_char o c
| Acc_delay (p, f) -> output_acc o p; f o
| Acc_flush p -> output_acc o p; flush o
| Acc_invalid_arg (p, msg) -> output_acc o p; invalid_arg msg;
| End_of_acc -> ()
let rec bufput_acc b acc = match acc with
| Acc_formatting_lit (p, fmting_lit) ->
let s = string_of_formatting_lit fmting_lit in
bufput_acc b p; Buffer.add_string b s;
| Acc_formatting_gen (p, Acc_open_tag acc') ->
bufput_acc b p; Buffer.add_string b "@{"; bufput_acc b acc';
| Acc_formatting_gen (p, Acc_open_box acc') ->
bufput_acc b p; Buffer.add_string b "@["; bufput_acc b acc';
| Acc_string_literal (p, s)
| Acc_data_string (p, s) -> bufput_acc b p; Buffer.add_string b s
| Acc_char_literal (p, c)
| Acc_data_char (p, c) -> bufput_acc b p; Buffer.add_char b c
| Acc_delay (p, f) -> bufput_acc b p; f b
| Acc_flush p -> bufput_acc b p;
| Acc_invalid_arg (p, msg) -> bufput_acc b p; invalid_arg msg;
| End_of_acc -> ()
let rec strput_acc b acc = match acc with
| Acc_formatting_lit (p, fmting_lit) ->
let s = string_of_formatting_lit fmting_lit in
strput_acc b p; Buffer.add_string b s;
| Acc_formatting_gen (p, Acc_open_tag acc') ->
strput_acc b p; Buffer.add_string b "@{"; strput_acc b acc';
| Acc_formatting_gen (p, Acc_open_box acc') ->
strput_acc b p; Buffer.add_string b "@["; strput_acc b acc';
| Acc_string_literal (p, s)
| Acc_data_string (p, s) -> strput_acc b p; Buffer.add_string b s
| Acc_char_literal (p, c)
| Acc_data_char (p, c) -> strput_acc b p; Buffer.add_char b c
| Acc_delay (p, f) -> strput_acc b p; Buffer.add_string b (f ())
| Acc_flush p -> strput_acc b p;
| Acc_invalid_arg (p, msg) -> strput_acc b p; invalid_arg msg;
| End_of_acc -> ()
let failwith_message (Format (fmt, _)) =
let buf = Buffer.create 256 in
let k acc = strput_acc buf acc; failwith (Buffer.contents buf) in
make_printf k End_of_acc fmt
let open_box_of_string str =
if str = "" then (0, Pp_box) else
let len = String.length str in
let invalid_box () = failwith_message "invalid box description %S" str in
let rec parse_spaces i =
if i = len then i else
match str.[i] with
| ' ' | '\t' -> parse_spaces (i + 1)
| _ -> i
and parse_lword i j =
if j = len then j else
match str.[j] with
| 'a' .. 'z' -> parse_lword i (j + 1)
| _ -> j
and parse_int i j =
if j = len then j else
match str.[j] with
| '0' .. '9' | '-' -> parse_int i (j + 1)
| _ -> j in
let wstart = parse_spaces 0 in
let wend = parse_lword wstart wstart in
let box_name = String.sub str wstart (wend - wstart) in
let nstart = parse_spaces wend in
let nend = parse_int nstart nstart in
let indent =
if nstart = nend then 0 else
try int_of_string (String.sub str nstart (nend - nstart))
with Failure _ -> invalid_box () in
let exp_end = parse_spaces nend in
if exp_end <> len then invalid_box ();
let box_type = match box_name with
| "" | "b" -> Pp_box
| "h" -> Pp_hbox
| "v" -> Pp_vbox
| "hv" -> Pp_hvbox
| "hov" -> Pp_hovbox
| _ -> invalid_box () in
(indent, box_type)
let make_padding_fmt_ebb : type x y .
(x, y) padding -> (_, _, _, _, _, _) fmt ->
(_, _, _, _, _) padding_fmt_ebb =
fun pad fmt -> match pad with
| No_padding -> Padding_fmt_EBB (No_padding, fmt)
| Lit_padding (s, w) -> Padding_fmt_EBB (Lit_padding (s, w), fmt)
| Arg_padding s -> Padding_fmt_EBB (Arg_padding s, fmt)
let make_precision_fmt_ebb : type x y .
(x, y) precision -> (_, _, _, _, _, _) fmt ->
(_, _, _, _, _) precision_fmt_ebb =
fun prec fmt -> match prec with
| No_precision -> Precision_fmt_EBB (No_precision, fmt)
| Lit_precision p -> Precision_fmt_EBB (Lit_precision p, fmt)
| Arg_precision -> Precision_fmt_EBB (Arg_precision, fmt)
let make_padprec_fmt_ebb : type x y z t .
(x, y) padding -> (z, t) precision ->
(_, _, _, _, _, _) fmt ->
(_, _, _, _, _) padprec_fmt_ebb =
fun pad prec fmt ->
let Precision_fmt_EBB (prec, fmt') = make_precision_fmt_ebb prec fmt in
match pad with
| No_padding -> Padprec_fmt_EBB (No_padding, prec, fmt')
| Lit_padding (s, w) -> Padprec_fmt_EBB (Lit_padding (s, w), prec, fmt')
| Arg_padding s -> Padprec_fmt_EBB (Arg_padding s, prec, fmt')
let fmt_ebb_of_string ?legacy_behavior str =
let legacy_behavior = match legacy_behavior with
| Some flag -> flag
| None -> true
in
let invalid_format_message str_ind msg =
failwith_message
"invalid format %S: at character number %d, %s"
str str_ind msg
in
let unexpected_end_of_format end_ind =
invalid_format_message end_ind
"unexpected end of format"
in
let invalid_nonnull_char_width str_ind =
invalid_format_message str_ind
"non-zero widths are unsupported for %c conversions"
in
let invalid_format_without str_ind c s =
failwith_message
"invalid format %S: at character number %d, '%c' without %s"
str str_ind c s
in
let expected_character str_ind expected read =
failwith_message
"invalid format %S: at character number %d, %s expected, read %C"
str str_ind expected read
in
let rec parse : type e f . int -> int -> (_, _, e, f) fmt_ebb =
fun beg_ind end_ind -> parse_literal beg_ind beg_ind end_ind
and parse_literal : type e f . int -> int -> int -> (_, _, e, f) fmt_ebb =
fun lit_start str_ind end_ind ->
if str_ind = end_ind then add_literal lit_start str_ind End_of_format else
match str.[str_ind] with
| '%' ->
let Fmt_EBB fmt_rest = parse_format str_ind end_ind in
add_literal lit_start str_ind fmt_rest
| '@' ->
let Fmt_EBB fmt_rest = parse_after_at (str_ind + 1) end_ind in
add_literal lit_start str_ind fmt_rest
| _ ->
parse_literal lit_start (str_ind + 1) end_ind
and parse_format : type e f . int -> int -> (_, _, e, f) fmt_ebb =
fun pct_ind end_ind -> parse_ign pct_ind (pct_ind + 1) end_ind
and parse_ign : type e f . int -> int -> int -> (_, _, e, f) fmt_ebb =
fun pct_ind str_ind end_ind ->
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| '_' -> parse_flags pct_ind (str_ind+1) end_ind true
| _ -> parse_flags pct_ind str_ind end_ind false
and parse_flags : type e f . int -> int -> int -> bool -> (_, _, e, f) fmt_ebb
=
fun pct_ind str_ind end_ind ign ->
let zero = ref false and minus = ref false
and plus = ref false and space = ref false
and hash = ref false in
let set_flag str_ind flag =
if !flag && not legacy_behavior then
failwith_message
"invalid format %S: at character number %d, duplicate flag %C"
str str_ind str.[str_ind];
flag := true;
in
let rec read_flags str_ind =
if str_ind = end_ind then unexpected_end_of_format end_ind;
begin match str.[str_ind] with
| '0' -> set_flag str_ind zero; read_flags (str_ind + 1)
| '-' -> set_flag str_ind minus; read_flags (str_ind + 1)
| '+' -> set_flag str_ind plus; read_flags (str_ind + 1)
| '#' -> set_flag str_ind hash; read_flags (str_ind + 1)
| ' ' -> set_flag str_ind space; read_flags (str_ind + 1)
| _ ->
parse_padding pct_ind str_ind end_ind
!zero !minus !plus !hash !space ign
end
in
read_flags str_ind
and parse_padding : type e f .
int -> int -> int -> bool -> bool -> bool -> bool -> bool -> bool ->
(_, _, e, f) fmt_ebb =
fun pct_ind str_ind end_ind zero minus plus hash space ign ->
if str_ind = end_ind then unexpected_end_of_format end_ind;
let padty = match zero, minus with
| false, false -> Right
| false, true -> Left
| true, false -> Zeros
| true, true ->
if legacy_behavior then Left
else incompatible_flag pct_ind str_ind '-' "0" in
match str.[str_ind] with
| '0' .. '9' ->
let new_ind, width = parse_positive str_ind end_ind 0 in
parse_after_padding pct_ind new_ind end_ind minus plus hash space ign
(Lit_padding (padty, width))
| '*' ->
parse_after_padding pct_ind (str_ind + 1) end_ind minus plus hash space
ign (Arg_padding padty)
| _ ->
begin match padty with
| Left ->
if not legacy_behavior then
invalid_format_without (str_ind - 1) '-' "padding";
parse_after_padding pct_ind str_ind end_ind minus plus hash space ign
No_padding
| Zeros ->
parse_after_padding pct_ind str_ind end_ind minus plus hash space ign
(Lit_padding (Right, 0))
| Right ->
parse_after_padding pct_ind str_ind end_ind minus plus hash space ign
No_padding
end
and parse_after_padding : type x e f .
int -> int -> int -> bool -> bool -> bool -> bool -> bool ->
(x, _) padding -> (_, _, e, f) fmt_ebb =
fun pct_ind str_ind end_ind minus plus hash space ign pad ->
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| '.' ->
parse_precision pct_ind (str_ind + 1) end_ind minus plus hash space ign
pad
| symb ->
parse_conversion pct_ind (str_ind + 1) end_ind plus hash space ign pad
No_precision pad symb
and parse_precision : type x e f .
int -> int -> int -> bool -> bool -> bool -> bool -> bool ->
(x, _) padding -> (_, _, e, f) fmt_ebb =
fun pct_ind str_ind end_ind minus plus hash space ign pad ->
if str_ind = end_ind then unexpected_end_of_format end_ind;
let parse_literal minus str_ind =
let new_ind, prec = parse_positive str_ind end_ind 0 in
parse_after_precision pct_ind new_ind end_ind minus plus hash space ign
pad (Lit_precision prec) in
match str.[str_ind] with
| '0' .. '9' -> parse_literal minus str_ind
| ('+' | '-') as symb when legacy_behavior ->
parse_literal (minus || symb = '-') (str_ind + 1)
| '*' ->
parse_after_precision pct_ind (str_ind + 1) end_ind minus plus hash space
ign pad Arg_precision
| _ ->
if legacy_behavior then
parse_after_precision pct_ind str_ind end_ind minus plus hash space ign
pad (Lit_precision 0)
else
invalid_format_without (str_ind - 1) '.' "precision"
and parse_after_precision : type x y z t e f .
int -> int -> int -> bool -> bool -> bool -> bool -> bool ->
(x, y) padding -> (z, t) precision -> (_, _, e, f) fmt_ebb =
fun pct_ind str_ind end_ind minus plus hash space ign pad prec ->
if str_ind = end_ind then unexpected_end_of_format end_ind;
let parse_conv (type u) (type v) (padprec : (u, v) padding) =
parse_conversion pct_ind (str_ind + 1) end_ind plus hash space ign pad
prec padprec str.[str_ind] in
match pad with
| No_padding -> (
match minus, prec with
| _, No_precision -> parse_conv No_padding
| false, Lit_precision n -> parse_conv (Lit_padding (Right, n))
| true, Lit_precision n -> parse_conv (Lit_padding (Left, n))
| false, Arg_precision -> parse_conv (Arg_padding Right)
| true, Arg_precision -> parse_conv (Arg_padding Left)
)
| pad -> parse_conv pad
and parse_conversion : type x y z t u v e f .
int -> int -> int -> bool -> bool -> bool -> bool -> (x, y) padding ->
(z, t) precision -> (u, v) padding -> char -> (_, _, e, f) fmt_ebb =
fun pct_ind str_ind end_ind plus hash space ign pad prec padprec symb ->
let plus_used = ref false and hash_used = ref false
and space_used = ref false and ign_used = ref false
and pad_used = ref false and prec_used = ref false in
let get_plus () = plus_used := true; plus
and get_hash () = hash_used := true; hash
and get_space () = space_used := true; space
and get_ign () = ign_used := true; ign
and get_pad () = pad_used := true; pad
and get_prec () = prec_used := true; prec
and get_padprec () = pad_used := true; padprec in
let get_int_pad () : (x,y) padding =
match get_pad (), get_prec () with
| pad, No_precision -> pad
| No_padding, _ -> No_padding
| Lit_padding (Zeros, n), _ ->
if legacy_behavior then Lit_padding (Right, n)
else incompatible_flag pct_ind str_ind '0' "precision"
| Arg_padding Zeros, _ ->
if legacy_behavior then Arg_padding Right
else incompatible_flag pct_ind str_ind '0' "precision"
| Lit_padding _ as pad, _ -> pad
| Arg_padding _ as pad, _ -> pad in
let check_no_0 symb (type a b) (pad : (a, b) padding) : (a,b) padding =
match pad with
| No_padding -> pad
| Lit_padding ((Left | Right), _) -> pad
| Arg_padding (Left | Right) -> pad
| Lit_padding (Zeros, width) ->
if legacy_behavior then Lit_padding (Right, width)
else incompatible_flag pct_ind str_ind symb "0"
| Arg_padding Zeros ->
if legacy_behavior then Arg_padding Right
else incompatible_flag pct_ind str_ind symb "0"
in
let opt_of_pad c (type a) (type b) (pad : (a, b) padding) = match pad with
| No_padding -> None
| Lit_padding (Right, width) -> Some width
| Lit_padding (Zeros, width) ->
if legacy_behavior then Some width
else incompatible_flag pct_ind str_ind c "'0'"
| Lit_padding (Left, width) ->
if legacy_behavior then Some width
else incompatible_flag pct_ind str_ind c "'-'"
| Arg_padding _ -> incompatible_flag pct_ind str_ind c "'*'"
in
let get_pad_opt c = opt_of_pad c (get_pad ()) in
let get_padprec_opt c = opt_of_pad c (get_padprec ()) in
let get_prec_opt () = match get_prec () with
| No_precision -> None
| Lit_precision ndec -> Some ndec
| Arg_precision -> incompatible_flag pct_ind str_ind '_' "'*'"
in
let fmt_result = match symb with
| ',' ->
parse str_ind end_ind
| 'c' ->
let char_format fmt_rest =
if get_ign ()
then Fmt_EBB (Ignored_param (Ignored_char, fmt_rest))
else Fmt_EBB (Char fmt_rest)
in
let scan_format fmt_rest =
if get_ign ()
then Fmt_EBB (Ignored_param (Ignored_scan_next_char, fmt_rest))
else Fmt_EBB (Scan_next_char fmt_rest)
in
let Fmt_EBB fmt_rest = parse str_ind end_ind in
begin match get_pad_opt 'c' with
| None -> char_format fmt_rest
| Some 0 -> scan_format fmt_rest
| Some _n ->
if not legacy_behavior
then invalid_nonnull_char_width str_ind
else char_format fmt_rest
end
| 'C' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then Fmt_EBB (Ignored_param (Ignored_caml_char,fmt_rest))
else Fmt_EBB (Caml_char fmt_rest)
| 's' ->
let pad = check_no_0 symb (get_padprec ()) in
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then
let ignored = Ignored_string (get_padprec_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padding_fmt_EBB (pad', fmt_rest') =
make_padding_fmt_ebb pad fmt_rest in
Fmt_EBB (String (pad', fmt_rest'))
| 'S' ->
let pad = check_no_0 symb (get_padprec ()) in
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then
let ignored = Ignored_caml_string (get_padprec_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padding_fmt_EBB (pad', fmt_rest') =
make_padding_fmt_ebb pad fmt_rest in
Fmt_EBB (Caml_string (pad', fmt_rest'))
| 'd' | 'i' | 'x' | 'X' | 'o' | 'u' ->
let iconv = compute_int_conv pct_ind str_ind (get_plus ()) (get_hash ())
(get_space ()) symb in
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then
let ignored = Ignored_int (iconv, get_pad_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padprec_fmt_EBB (pad', prec', fmt_rest') =
make_padprec_fmt_ebb (get_int_pad ()) (get_prec ()) fmt_rest in
Fmt_EBB (Int (iconv, pad', prec', fmt_rest'))
| 'N' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
let counter = Token_counter in
if get_ign () then
let ignored = Ignored_scan_get_counter counter in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
Fmt_EBB (Scan_get_counter (counter, fmt_rest))
| 'l' | 'n' | 'L' when str_ind=end_ind || not (is_int_base str.[str_ind]) ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
let counter = counter_of_char symb in
if get_ign () then
let ignored = Ignored_scan_get_counter counter in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
Fmt_EBB (Scan_get_counter (counter, fmt_rest))
| 'l' ->
let iconv =
compute_int_conv pct_ind (str_ind + 1) (get_plus ()) (get_hash ())
(get_space ()) str.[str_ind] in
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
if get_ign () then
let ignored = Ignored_int32 (iconv, get_pad_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padprec_fmt_EBB (pad', prec', fmt_rest') =
make_padprec_fmt_ebb (get_int_pad ()) (get_prec ()) fmt_rest in
Fmt_EBB (Int32 (iconv, pad', prec', fmt_rest'))
| 'n' ->
let iconv =
compute_int_conv pct_ind (str_ind + 1) (get_plus ())
(get_hash ()) (get_space ()) str.[str_ind] in
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
if get_ign () then
let ignored = Ignored_nativeint (iconv, get_pad_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padprec_fmt_EBB (pad', prec', fmt_rest') =
make_padprec_fmt_ebb (get_int_pad ()) (get_prec ()) fmt_rest in
Fmt_EBB (Nativeint (iconv, pad', prec', fmt_rest'))
| 'L' ->
let iconv =
compute_int_conv pct_ind (str_ind + 1) (get_plus ()) (get_hash ())
(get_space ()) str.[str_ind] in
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
if get_ign () then
let ignored = Ignored_int64 (iconv, get_pad_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padprec_fmt_EBB (pad', prec', fmt_rest') =
make_padprec_fmt_ebb (get_int_pad ()) (get_prec ()) fmt_rest in
Fmt_EBB (Int64 (iconv, pad', prec', fmt_rest'))
| 'f' | 'e' | 'E' | 'g' | 'G' | 'F' | 'h' | 'H' ->
let fconv =
compute_float_conv pct_ind str_ind
(get_plus ()) (get_hash ()) (get_space ()) symb in
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then
let ignored = Ignored_float (get_pad_opt '_', get_prec_opt ()) in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padprec_fmt_EBB (pad', prec', fmt_rest') =
make_padprec_fmt_ebb (get_pad ()) (get_prec ()) fmt_rest in
Fmt_EBB (Float (fconv, pad', prec', fmt_rest'))
| 'b' | 'B' ->
let pad = check_no_0 symb (get_padprec ()) in
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then
let ignored = Ignored_bool (get_padprec_opt '_') in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
let Padding_fmt_EBB (pad', fmt_rest') =
make_padding_fmt_ebb pad fmt_rest in
Fmt_EBB (Bool (pad', fmt_rest'))
| 'a' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
Fmt_EBB (Alpha fmt_rest)
| 't' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
Fmt_EBB (Theta fmt_rest)
| 'r' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
if get_ign () then Fmt_EBB (Ignored_param (Ignored_reader, fmt_rest))
else Fmt_EBB (Reader fmt_rest)
| '!' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
Fmt_EBB (Flush fmt_rest)
| ('%' | '@') as c ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
Fmt_EBB (Char_literal (c, fmt_rest))
| '{' ->
let sub_end = search_subformat_end str_ind end_ind '}' in
let Fmt_EBB sub_fmt = parse str_ind sub_end in
let Fmt_EBB fmt_rest = parse (sub_end + 2) end_ind in
let sub_fmtty = fmtty_of_fmt sub_fmt in
if get_ign () then
let ignored = Ignored_format_arg (get_pad_opt '_', sub_fmtty) in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
Fmt_EBB (Format_arg (get_pad_opt '{', sub_fmtty, fmt_rest))
| '(' ->
let sub_end = search_subformat_end str_ind end_ind ')' in
let Fmt_EBB fmt_rest = parse (sub_end + 2) end_ind in
let Fmt_EBB sub_fmt = parse str_ind sub_end in
let sub_fmtty = fmtty_of_fmt sub_fmt in
if get_ign () then
let ignored = Ignored_format_subst (get_pad_opt '_', sub_fmtty) in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
Fmt_EBB (Format_subst (get_pad_opt '(', sub_fmtty, fmt_rest))
| '[' ->
let next_ind, char_set = parse_char_set str_ind end_ind in
let Fmt_EBB fmt_rest = parse next_ind end_ind in
if get_ign () then
let ignored = Ignored_scan_char_set (get_pad_opt '_', char_set) in
Fmt_EBB (Ignored_param (ignored, fmt_rest))
else
Fmt_EBB (Scan_char_set (get_pad_opt '[', char_set, fmt_rest))
| '-' | '+' | '#' | ' ' | '_' ->
failwith_message
"invalid format %S: at character number %d, \
flag %C is only allowed after the '%%', before padding and precision"
str pct_ind symb
| _ ->
failwith_message
"invalid format %S: at character number %d, \
invalid conversion \"%%%c\"" str (str_ind - 1) symb
in
if not legacy_behavior then begin
if not !plus_used && plus then
incompatible_flag pct_ind str_ind symb "'+'";
if not !hash_used && hash then
incompatible_flag pct_ind str_ind symb "'#'";
if not !space_used && space then
incompatible_flag pct_ind str_ind symb "' '";
if not !pad_used && Padding_EBB pad <> Padding_EBB No_padding then
incompatible_flag pct_ind str_ind symb "`padding'";
if not !prec_used && Precision_EBB prec <> Precision_EBB No_precision then
incompatible_flag pct_ind str_ind (if ign then '_' else symb)
"`precision'";
if ign && plus then incompatible_flag pct_ind str_ind '_' "'+'";
end;
if not !ign_used && ign then
begin match symb with
| ('@' | '%' | '!' | ',') when legacy_behavior -> ()
| _ ->
incompatible_flag pct_ind str_ind symb "'_'"
end;
fmt_result
and parse_after_at : type e f . int -> int -> (_, _, e, f) fmt_ebb =
fun str_ind end_ind ->
if str_ind = end_ind then Fmt_EBB (Char_literal ('@', End_of_format))
else
match str.[str_ind] with
| '[' ->
parse_tag false (str_ind + 1) end_ind
| ']' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Close_box, fmt_rest))
| '{' ->
parse_tag true (str_ind + 1) end_ind
| '}' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Close_tag, fmt_rest))
| ',' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Break ("@,", 0, 0), fmt_rest))
| ' ' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Break ("@ ", 1, 0), fmt_rest))
| ';' ->
parse_good_break (str_ind + 1) end_ind
| '?' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (FFlush, fmt_rest))
| '\n' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Force_newline, fmt_rest))
| '.' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Flush_newline, fmt_rest))
| '<' ->
parse_magic_size (str_ind + 1) end_ind
| '@' ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Escaped_at, fmt_rest))
| '%' when str_ind + 1 < end_ind && str.[str_ind + 1] = '%' ->
let Fmt_EBB fmt_rest = parse (str_ind + 2) end_ind in
Fmt_EBB (Formatting_lit (Escaped_percent, fmt_rest))
| '%' ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
Fmt_EBB (Char_literal ('@', fmt_rest))
| c ->
let Fmt_EBB fmt_rest = parse (str_ind + 1) end_ind in
Fmt_EBB (Formatting_lit (Scan_indic c, fmt_rest))
and parse_tag : type e f . bool -> int -> int -> (_, _, e, f) fmt_ebb =
fun is_open_tag str_ind end_ind ->
try
if str_ind = end_ind then raise Not_found;
match str.[str_ind] with
| '<' ->
let ind = String.index_from str (str_ind + 1) '>' in
if ind >= end_ind then raise Not_found;
let sub_str = String.sub str str_ind (ind - str_ind + 1) in
let Fmt_EBB fmt_rest = parse (ind + 1) end_ind in
let Fmt_EBB sub_fmt = parse str_ind (ind + 1) in
let sub_format = Format (sub_fmt, sub_str) in
let formatting =
if is_open_tag then Open_tag sub_format else Open_box sub_format in
Fmt_EBB (Formatting_gen (formatting, fmt_rest))
| _ ->
raise Not_found
with Not_found ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
let sub_format = Format (End_of_format, "") in
let formatting =
if is_open_tag then Open_tag sub_format else Open_box sub_format in
Fmt_EBB (Formatting_gen (formatting, fmt_rest))
and parse_good_break : type e f . int -> int -> (_, _, e, f) fmt_ebb =
fun str_ind end_ind ->
let next_ind, formatting_lit =
try
if str_ind = end_ind || str.[str_ind] <> '<' then raise Not_found;
let str_ind_1 = parse_spaces (str_ind + 1) end_ind in
match str.[str_ind_1] with
| '0' .. '9' | '-' -> (
let str_ind_2, width = parse_integer str_ind_1 end_ind in
let str_ind_3 = parse_spaces str_ind_2 end_ind in
match str.[str_ind_3] with
| '>' ->
let s = String.sub str (str_ind-2) (str_ind_3-str_ind+3) in
str_ind_3 + 1, Break (s, width, 0)
| '0' .. '9' | '-' ->
let str_ind_4, offset = parse_integer str_ind_3 end_ind in
let str_ind_5 = parse_spaces str_ind_4 end_ind in
if str.[str_ind_5] <> '>' then raise Not_found;
let s = String.sub str (str_ind-2) (str_ind_5-str_ind+3) in
str_ind_5 + 1, Break (s, width, offset)
| _ -> raise Not_found
)
| _ -> raise Not_found
with Not_found | Failure _ ->
str_ind, Break ("@;", 1, 0)
in
let Fmt_EBB fmt_rest = parse next_ind end_ind in
Fmt_EBB (Formatting_lit (formatting_lit, fmt_rest))
and parse_magic_size : type e f . int -> int -> (_, _, e, f) fmt_ebb =
fun str_ind end_ind ->
match
try
let str_ind_1 = parse_spaces str_ind end_ind in
match str.[str_ind_1] with
| '0' .. '9' | '-' ->
let str_ind_2, size = parse_integer str_ind_1 end_ind in
let str_ind_3 = parse_spaces str_ind_2 end_ind in
if str.[str_ind_3] <> '>' then raise Not_found;
let s = String.sub str (str_ind - 2) (str_ind_3 - str_ind + 3) in
Some (str_ind_3 + 1, Magic_size (s, size))
| _ -> None
with Not_found | Failure _ ->
None
with
| Some (next_ind, formatting_lit) ->
let Fmt_EBB fmt_rest = parse next_ind end_ind in
Fmt_EBB (Formatting_lit (formatting_lit, fmt_rest))
| None ->
let Fmt_EBB fmt_rest = parse str_ind end_ind in
Fmt_EBB (Formatting_lit (Scan_indic '<', fmt_rest))
and parse_char_set str_ind end_ind =
if str_ind = end_ind then unexpected_end_of_format end_ind;
let char_set = create_char_set () in
let add_char c =
add_in_char_set char_set c;
in
let add_range c c' =
for i = int_of_char c to int_of_char c' do
add_in_char_set char_set (char_of_int i);
done;
in
let fail_single_percent str_ind =
failwith_message
"invalid format %S: '%%' alone is not accepted in character sets, \
use %%%% instead at position %d." str str_ind
in
let rec parse_char_set_start str_ind end_ind =
if str_ind = end_ind then unexpected_end_of_format end_ind;
let c = str.[str_ind] in
parse_char_set_after_char (str_ind + 1) end_ind c
and parse_char_set_content str_ind end_ind =
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| ']' ->
str_ind + 1
| '-' ->
add_char '-';
parse_char_set_content (str_ind + 1) end_ind
| c ->
parse_char_set_after_char (str_ind + 1) end_ind c
and parse_char_set_after_char str_ind end_ind c =
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| ']' ->
add_char c;
str_ind + 1
| '-' ->
parse_char_set_after_minus (str_ind + 1) end_ind c
| ('%' | '@') as c' when c = '%' ->
add_char c';
parse_char_set_content (str_ind + 1) end_ind
| c' ->
if c = '%' then fail_single_percent str_ind;
add_char c;
parse_char_set_after_char (str_ind + 1) end_ind c'
and parse_char_set_after_minus str_ind end_ind c =
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| ']' ->
add_char c;
add_char '-';
str_ind + 1
| '%' ->
if str_ind + 1 = end_ind then unexpected_end_of_format end_ind;
begin match str.[str_ind + 1] with
| ('%' | '@') as c' ->
add_range c c';
parse_char_set_content (str_ind + 2) end_ind
| _ -> fail_single_percent str_ind
end
| c' ->
add_range c c';
parse_char_set_content (str_ind + 1) end_ind
in
let str_ind, reverse =
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| '^' -> str_ind + 1, true
| _ -> str_ind, false in
let next_ind = parse_char_set_start str_ind end_ind in
let char_set = freeze_char_set char_set in
next_ind, (if reverse then rev_char_set char_set else char_set)
and parse_spaces str_ind end_ind =
if str_ind = end_ind then unexpected_end_of_format end_ind;
if str.[str_ind] = ' ' then parse_spaces (str_ind + 1) end_ind else str_ind
and parse_positive str_ind end_ind acc =
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| '0' .. '9' as c ->
let new_acc = acc * 10 + (int_of_char c - int_of_char '0') in
if new_acc > Sys.max_string_length then
failwith_message
"invalid format %S: integer %d is greater than the limit %d"
str new_acc Sys.max_string_length
else
parse_positive (str_ind + 1) end_ind new_acc
| _ -> str_ind, acc
and parse_integer str_ind end_ind =
if str_ind = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind] with
| '0' .. '9' -> parse_positive str_ind end_ind 0
| '-' -> (
if str_ind + 1 = end_ind then unexpected_end_of_format end_ind;
match str.[str_ind + 1] with
| '0' .. '9' ->
let next_ind, n = parse_positive (str_ind + 1) end_ind 0 in
next_ind, -n
| c ->
expected_character (str_ind + 1) "digit" c
)
| _ -> assert false
and add_literal : type a d e f .
int -> int -> (a, _, _, d, e, f) fmt ->
(_, _, e, f) fmt_ebb =
fun lit_start str_ind fmt -> match str_ind - lit_start with
| 0 -> Fmt_EBB fmt
| 1 -> Fmt_EBB (Char_literal (str.[lit_start], fmt))
| size -> Fmt_EBB (String_literal (String.sub str lit_start size, fmt))
and search_subformat_end str_ind end_ind c =
if str_ind = end_ind then
failwith_message
"invalid format %S: unclosed sub-format, \
expected \"%%%c\" at character number %d" str c end_ind;
match str.[str_ind] with
| '%' ->
if str_ind + 1 = end_ind then unexpected_end_of_format end_ind;
if str.[str_ind + 1] = c then str_ind else
begin match str.[str_ind + 1] with
| '_' ->
if str_ind + 2 = end_ind then unexpected_end_of_format end_ind;
begin match str.[str_ind + 2] with
| '{' ->
let sub_end = search_subformat_end (str_ind + 3) end_ind '}' in
search_subformat_end (sub_end + 2) end_ind c
| '(' ->
let sub_end = search_subformat_end (str_ind + 3) end_ind ')' in
search_subformat_end (sub_end + 2) end_ind c
| _ -> search_subformat_end (str_ind + 3) end_ind c
end
| '{' ->
let sub_end = search_subformat_end (str_ind + 2) end_ind '}' in
search_subformat_end (sub_end + 2) end_ind c
| '(' ->
let sub_end = search_subformat_end (str_ind + 2) end_ind ')' in
search_subformat_end (sub_end + 2) end_ind c
| '}' ->
expected_character (str_ind + 1) "character ')'" '}'
| ')' ->
expected_character (str_ind + 1) "character '}'" ')'
| _ ->
search_subformat_end (str_ind + 2) end_ind c
end
| _ -> search_subformat_end (str_ind + 1) end_ind c
and is_int_base symb = match symb with
| 'd' | 'i' | 'x' | 'X' | 'o' | 'u' -> true
| _ -> false
and counter_of_char symb = match symb with
| 'l' -> Line_counter | 'n' -> Char_counter
| 'L' -> Token_counter | _ -> assert false
and compute_int_conv pct_ind str_ind plus hash space symb =
match plus, hash, space, symb with
| false, false, false, 'd' -> Int_d | false, false, false, 'i' -> Int_i
| false, false, true, 'd' -> Int_sd | false, false, true, 'i' -> Int_si
| true, false, false, 'd' -> Int_pd | true, false, false, 'i' -> Int_pi
| false, false, false, 'x' -> Int_x | false, false, false, 'X' -> Int_X
| false, true, false, 'x' -> Int_Cx | false, true, false, 'X' -> Int_CX
| false, false, false, 'o' -> Int_o
| false, true, false, 'o' -> Int_Co
| false, false, false, 'u' -> Int_u
| false, true, false, 'd' -> Int_Cd
| false, true, false, 'i' -> Int_Ci
| false, true, false, 'u' -> Int_Cu
| _, true, _, 'x' when legacy_behavior -> Int_Cx
| _, true, _, 'X' when legacy_behavior -> Int_CX
| _, true, _, 'o' when legacy_behavior -> Int_Co
| _, true, _, ('d' | 'i' | 'u') ->
if legacy_behavior then
compute_int_conv pct_ind str_ind plus false space symb
else incompatible_flag pct_ind str_ind symb "'#'"
| true, _, true, _ ->
if legacy_behavior then
compute_int_conv pct_ind str_ind plus hash false symb
else incompatible_flag pct_ind str_ind ' ' "'+'"
| false, _, true, _ ->
if legacy_behavior then
compute_int_conv pct_ind str_ind plus hash false symb
else incompatible_flag pct_ind str_ind symb "' '"
| true, _, false, _ ->
if legacy_behavior then
compute_int_conv pct_ind str_ind false hash space symb
else incompatible_flag pct_ind str_ind symb "'+'"
| false, _, false, _ -> assert false
and compute_float_conv pct_ind str_ind plus hash space symb =
let flag = match plus, space with
| false, false -> Float_flag_
| false, true -> Float_flag_s
| true, false -> Float_flag_p
| true, true ->
if legacy_behavior then Float_flag_p
else incompatible_flag pct_ind str_ind ' ' "'+'" in
let kind = match hash, symb with
| _, 'f' -> Float_f
| _, 'e' -> Float_e
| _, 'E' -> Float_E
| _, 'g' -> Float_g
| _, 'G' -> Float_G
| _, 'h' -> Float_h
| _, 'H' -> Float_H
| false, 'F' -> Float_F
| true, 'F' -> Float_CF
| _ -> assert false in
flag, kind
and incompatible_flag : type a . int -> int -> char -> string -> a =
fun pct_ind str_ind symb option ->
let subfmt = String.sub str pct_ind (str_ind - pct_ind) in
failwith_message
"invalid format %S: at character number %d, \
%s is incompatible with '%c' in sub-format %S"
str pct_ind option symb subfmt
in parse 0 (String.length str)
let format_of_string_fmtty str fmtty =
let Fmt_EBB fmt = fmt_ebb_of_string str in
try Format (type_format fmt fmtty, str)
with Type_mismatch ->
failwith_message
"bad input: format type mismatch between %S and %S"
str (string_of_fmtty fmtty)
let format_of_string_format str (Format (fmt', str')) =
let Fmt_EBB fmt = fmt_ebb_of_string str in
try Format (type_format fmt (fmtty_of_fmt fmt'), str)
with Type_mismatch ->
failwith_message
"bad input: format type mismatch between %S and %S" str str'