1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667
|
(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 2002 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
open Format
open Outcometree
exception Ellipsis
let cautious f ppf arg =
try f ppf arg with
Ellipsis -> fprintf ppf "..."
let rec print_ident ppf =
function
Oide_ident s -> pp_print_string ppf s
| Oide_dot (id, s) ->
print_ident ppf id; pp_print_char ppf '.'; pp_print_string ppf s
| Oide_apply (id1, id2) ->
fprintf ppf "%a(%a)" print_ident id1 print_ident id2
let parenthesized_ident name =
(List.mem name ["or"; "mod"; "land"; "lor"; "lxor"; "lsl"; "lsr"; "asr"])
||
(match name.[0] with
'a'..'z' | 'A'..'Z' | '\223'..'\246' | '\248'..'\255' | '_' ->
false
| _ -> true)
let value_ident ppf name =
if parenthesized_ident name then
fprintf ppf "( %s )" name
else
pp_print_string ppf name
(* Values *)
let valid_float_lexeme s =
let l = String.length s in
let rec loop i =
if i >= l then s ^ "." else
match s.[i] with
| '0' .. '9' | '-' -> loop (i+1)
| _ -> s
in loop 0
let float_repres f =
match classify_float f with
FP_nan -> "nan"
| FP_infinite ->
if f < 0.0 then "neg_infinity" else "infinity"
| _ ->
let float_val =
let s1 = Printf.sprintf "%.12g" f in
if f = float_of_string s1 then s1 else
let s2 = Printf.sprintf "%.15g" f in
if f = float_of_string s2 then s2 else
Printf.sprintf "%.18g" f
in valid_float_lexeme float_val
let parenthesize_if_neg ppf fmt v isneg =
if isneg then pp_print_char ppf '(';
fprintf ppf fmt v;
if isneg then pp_print_char ppf ')'
let print_out_value ppf tree =
let rec print_tree_1 ppf =
function
| Oval_constr (name, [param]) ->
fprintf ppf "@[<1>%a@ %a@]" print_ident name print_constr_param param
| Oval_constr (name, (_ :: _ as params)) ->
fprintf ppf "@[<1>%a@ (%a)@]" print_ident name
(print_tree_list print_tree_1 ",") params
| Oval_variant (name, Some param) ->
fprintf ppf "@[<2>`%s@ %a@]" name print_constr_param param
| tree -> print_simple_tree ppf tree
and print_constr_param ppf = function
| Oval_int i -> parenthesize_if_neg ppf "%i" i (i < 0)
| Oval_int32 i -> parenthesize_if_neg ppf "%lil" i (i < 0l)
| Oval_int64 i -> parenthesize_if_neg ppf "%LiL" i (i < 0L)
| Oval_nativeint i -> parenthesize_if_neg ppf "%nin" i (i < 0n)
| Oval_float f -> parenthesize_if_neg ppf "%s" (float_repres f) (f < 0.0)
| tree -> print_simple_tree ppf tree
and print_simple_tree ppf =
function
Oval_int i -> fprintf ppf "%i" i
| Oval_int32 i -> fprintf ppf "%lil" i
| Oval_int64 i -> fprintf ppf "%LiL" i
| Oval_nativeint i -> fprintf ppf "%nin" i
| Oval_float f -> pp_print_string ppf (float_repres f)
| Oval_char c -> fprintf ppf "%C" c
| Oval_string s ->
begin try fprintf ppf "%S" s with
Invalid_argument _ (* "String.create" *)-> fprintf ppf "<huge string>"
end
| Oval_list tl ->
fprintf ppf "@[<1>[%a]@]" (print_tree_list print_tree_1 ";") tl
| Oval_array tl ->
fprintf ppf "@[<2>[|%a|]@]" (print_tree_list print_tree_1 ";") tl
| Oval_constr (name, []) -> print_ident ppf name
| Oval_variant (name, None) -> fprintf ppf "`%s" name
| Oval_stuff s -> pp_print_string ppf s
| Oval_record fel ->
fprintf ppf "@[<1>{%a}@]" (cautious (print_fields true)) fel
| Oval_ellipsis -> raise Ellipsis
| Oval_printer f -> f ppf
| Oval_tuple tree_list ->
fprintf ppf "@[<1>(%a)@]" (print_tree_list print_tree_1 ",") tree_list
| tree -> fprintf ppf "@[<1>(%a)@]" (cautious print_tree_1) tree
and print_fields first ppf =
function
[] -> ()
| (name, tree) :: fields ->
if not first then fprintf ppf ";@ ";
fprintf ppf "@[<1>%a@ =@ %a@]" print_ident name (cautious print_tree_1)
tree;
print_fields false ppf fields
and print_tree_list print_item sep ppf tree_list =
let rec print_list first ppf =
function
[] -> ()
| tree :: tree_list ->
if not first then fprintf ppf "%s@ " sep;
print_item ppf tree;
print_list false ppf tree_list
in
cautious (print_list true) ppf tree_list
in
cautious print_tree_1 ppf tree
let out_value = ref print_out_value
(* Types *)
let rec print_list_init pr sep ppf =
function
[] -> ()
| a :: l -> sep ppf; pr ppf a; print_list_init pr sep ppf l
let rec print_list pr sep ppf =
function
[] -> ()
| [a] -> pr ppf a
| a :: l -> pr ppf a; sep ppf; print_list pr sep ppf l
let pr_present =
print_list (fun ppf s -> fprintf ppf "`%s" s) (fun ppf -> fprintf ppf "@ ")
let pr_vars =
print_list (fun ppf s -> fprintf ppf "'%s" s) (fun ppf -> fprintf ppf "@ ")
let rec print_out_type ppf =
function
| Otyp_alias (ty, s) ->
fprintf ppf "@[%a@ as '%s@]" print_out_type ty s
| Otyp_poly (sl, ty) ->
fprintf ppf "@[<hov 2>%a.@ %a@]"
pr_vars sl
print_out_type ty
| ty ->
print_out_type_1 ppf ty
and print_out_type_1 ppf =
function
Otyp_arrow (lab, ty1, ty2) ->
pp_open_box ppf 0;
if lab <> "" then (pp_print_string ppf lab; pp_print_char ppf ':');
print_out_type_2 ppf ty1;
pp_print_string ppf " ->";
pp_print_space ppf ();
print_out_type_1 ppf ty2;
pp_close_box ppf ()
| ty -> print_out_type_2 ppf ty
and print_out_type_2 ppf =
function
Otyp_tuple tyl ->
fprintf ppf "@[<0>%a@]" (print_typlist print_simple_out_type " *") tyl
| ty -> print_simple_out_type ppf ty
and print_simple_out_type ppf =
function
Otyp_class (ng, id, tyl) ->
fprintf ppf "@[%a%s#%a@]" print_typargs tyl (if ng then "_" else "")
print_ident id
| Otyp_constr (id, tyl) ->
pp_open_box ppf 0;
print_typargs ppf tyl;
print_ident ppf id;
pp_close_box ppf ()
| Otyp_object (fields, rest) ->
fprintf ppf "@[<2>< %a >@]" (print_fields rest) fields
| Otyp_stuff s -> pp_print_string ppf s
| Otyp_var (ng, s) -> fprintf ppf "'%s%s" (if ng then "_" else "") s
| Otyp_variant (non_gen, row_fields, closed, tags) ->
let print_present ppf =
function
None | Some [] -> ()
| Some l -> fprintf ppf "@;<1 -2>> @[<hov>%a@]" pr_present l
in
let print_fields ppf =
function
Ovar_fields fields ->
print_list print_row_field (fun ppf -> fprintf ppf "@;<1 -2>| ")
ppf fields
| Ovar_typ typ ->
print_simple_out_type ppf typ
in
fprintf ppf "%s[%s@[<hv>@[<hv>%a@]%a ]@]" (if non_gen then "_" else "")
(if closed then if tags = None then " " else "< "
else if tags = None then "> " else "? ")
print_fields row_fields
print_present tags
| Otyp_alias _ | Otyp_poly _ | Otyp_arrow _ | Otyp_tuple _ as ty ->
pp_open_box ppf 1;
pp_print_char ppf '(';
print_out_type ppf ty;
pp_print_char ppf ')';
pp_close_box ppf ()
| Otyp_abstract | Otyp_open
| Otyp_sum _ | Otyp_manifest (_, _) -> ()
| Otyp_record lbls -> print_record_decl ppf lbls
| Otyp_module (p, n, tyl) ->
fprintf ppf "@[<1>(module %s" p;
let first = ref true in
List.iter2
(fun s t ->
let sep = if !first then (first := false; "with") else "and" in
fprintf ppf " %s type %s = %a" sep s print_out_type t
)
n tyl;
fprintf ppf ")@]"
| Otyp_attribute (t, attr) ->
fprintf ppf "@[<1>(%a [@@%s])@]" print_out_type t attr.oattr_name
and print_record_decl ppf lbls =
fprintf ppf "{%a@;<1 -2>}"
(print_list_init print_out_label (fun ppf -> fprintf ppf "@ ")) lbls
and print_fields rest ppf =
function
[] ->
begin match rest with
Some non_gen -> fprintf ppf "%s.." (if non_gen then "_" else "")
| None -> ()
end
| [s, t] ->
fprintf ppf "%s : %a" s print_out_type t;
begin match rest with
Some _ -> fprintf ppf ";@ "
| None -> ()
end;
print_fields rest ppf []
| (s, t) :: l ->
fprintf ppf "%s : %a;@ %a" s print_out_type t (print_fields rest) l
and print_row_field ppf (l, opt_amp, tyl) =
let pr_of ppf =
if opt_amp then fprintf ppf " of@ &@ "
else if tyl <> [] then fprintf ppf " of@ "
else fprintf ppf ""
in
fprintf ppf "@[<hv 2>`%s%t%a@]" l pr_of (print_typlist print_out_type " &")
tyl
and print_typlist print_elem sep ppf =
function
[] -> ()
| [ty] -> print_elem ppf ty
| ty :: tyl ->
print_elem ppf ty;
pp_print_string ppf sep;
pp_print_space ppf ();
print_typlist print_elem sep ppf tyl
and print_typargs ppf =
function
[] -> ()
| [ty1] -> print_simple_out_type ppf ty1; pp_print_space ppf ()
| tyl ->
pp_open_box ppf 1;
pp_print_char ppf '(';
print_typlist print_out_type "," ppf tyl;
pp_print_char ppf ')';
pp_close_box ppf ();
pp_print_space ppf ()
and print_out_label ppf (name, mut, arg) =
fprintf ppf "@[<2>%s%s :@ %a@];" (if mut then "mutable " else "") name
print_out_type arg
let out_type = ref print_out_type
(* Class types *)
let type_parameter ppf (ty, (co, cn)) =
fprintf ppf "%s%s"
(if not cn then "+" else if not co then "-" else "")
(if ty = "_" then ty else "'"^ty)
let print_out_class_params ppf =
function
[] -> ()
| tyl ->
fprintf ppf "@[<1>[%a]@]@ "
(print_list type_parameter (fun ppf -> fprintf ppf ", "))
tyl
let rec print_out_class_type ppf =
function
Octy_constr (id, tyl) ->
let pr_tyl ppf =
function
[] -> ()
| tyl ->
fprintf ppf "@[<1>[%a]@]@ " (print_typlist !out_type ",") tyl
in
fprintf ppf "@[%a%a@]" pr_tyl tyl print_ident id
| Octy_arrow (lab, ty, cty) ->
fprintf ppf "@[%s%a ->@ %a@]" (if lab <> "" then lab ^ ":" else "")
print_out_type_2 ty print_out_class_type cty
| Octy_signature (self_ty, csil) ->
let pr_param ppf =
function
Some ty -> fprintf ppf "@ @[(%a)@]" !out_type ty
| None -> ()
in
fprintf ppf "@[<hv 2>@[<2>object%a@]@ %a@;<1 -2>end@]" pr_param self_ty
(print_list print_out_class_sig_item (fun ppf -> fprintf ppf "@ "))
csil
and print_out_class_sig_item ppf =
function
Ocsg_constraint (ty1, ty2) ->
fprintf ppf "@[<2>constraint %a =@ %a@]" !out_type ty1
!out_type ty2
| Ocsg_method (name, priv, virt, ty) ->
fprintf ppf "@[<2>method %s%s%s :@ %a@]"
(if priv then "private " else "") (if virt then "virtual " else "")
name !out_type ty
| Ocsg_value (name, mut, vr, ty) ->
fprintf ppf "@[<2>val %s%s%s :@ %a@]"
(if mut then "mutable " else "")
(if vr then "virtual " else "")
name !out_type ty
let out_class_type = ref print_out_class_type
(* Signature *)
let out_module_type = ref (fun _ -> failwith "Oprint.out_module_type")
let out_sig_item = ref (fun _ -> failwith "Oprint.out_sig_item")
let out_signature = ref (fun _ -> failwith "Oprint.out_signature")
let out_type_extension = ref (fun _ -> failwith "Oprint.out_type_extension")
let rec print_out_functor funct ppf =
function
Omty_functor (_, None, mty_res) ->
if funct then fprintf ppf "() %a" (print_out_functor true) mty_res
else fprintf ppf "functor@ () %a" (print_out_functor true) mty_res
| Omty_functor (name, Some mty_arg, mty_res) -> begin
match name, funct with
| "_", true ->
fprintf ppf "->@ %a ->@ %a"
print_out_module_type mty_arg (print_out_functor false) mty_res
| "_", false ->
fprintf ppf "%a ->@ %a"
print_out_module_type mty_arg (print_out_functor false) mty_res
| name, true ->
fprintf ppf "(%s : %a) %a" name
print_out_module_type mty_arg (print_out_functor true) mty_res
| name, false ->
fprintf ppf "functor@ (%s : %a) %a" name
print_out_module_type mty_arg (print_out_functor true) mty_res
end
| m ->
if funct then fprintf ppf "->@ %a" print_out_module_type m
else print_out_module_type ppf m
and print_out_module_type ppf =
function
Omty_abstract -> ()
| Omty_functor _ as t ->
fprintf ppf "@[<2>%a@]" (print_out_functor false) t
| Omty_ident id -> fprintf ppf "%a" print_ident id
| Omty_signature sg ->
fprintf ppf "@[<hv 2>sig@ %a@;<1 -2>end@]" !out_signature sg
| Omty_alias id -> fprintf ppf "(module %a)" print_ident id
and print_out_signature ppf =
function
[] -> ()
| [item] -> !out_sig_item ppf item
| Osig_typext(ext, Oext_first) :: items ->
(* Gather together the extension constructors *)
let rec gather_extensions acc items =
match items with
Osig_typext(ext, Oext_next) :: items ->
gather_extensions
((ext.oext_name, ext.oext_args, ext.oext_ret_type) :: acc)
items
| _ -> (List.rev acc, items)
in
let exts, items =
gather_extensions
[(ext.oext_name, ext.oext_args, ext.oext_ret_type)]
items
in
let te =
{ otyext_name = ext.oext_type_name;
otyext_params = ext.oext_type_params;
otyext_constructors = exts;
otyext_private = ext.oext_private }
in
fprintf ppf "%a@ %a" !out_type_extension te print_out_signature items
| item :: items ->
fprintf ppf "%a@ %a" !out_sig_item item print_out_signature items
and print_out_sig_item ppf =
function
Osig_class (vir_flag, name, params, clt, rs) ->
fprintf ppf "@[<2>%s%s@ %a%s@ :@ %a@]"
(if rs = Orec_next then "and" else "class")
(if vir_flag then " virtual" else "") print_out_class_params params
name !out_class_type clt
| Osig_class_type (vir_flag, name, params, clt, rs) ->
fprintf ppf "@[<2>%s%s@ %a%s@ =@ %a@]"
(if rs = Orec_next then "and" else "class type")
(if vir_flag then " virtual" else "") print_out_class_params params
name !out_class_type clt
| Osig_typext (ext, Oext_exception) ->
fprintf ppf "@[<2>exception %a@]"
print_out_constr (ext.oext_name, ext.oext_args, ext.oext_ret_type)
| Osig_typext (ext, _es) ->
print_out_extension_constructor ppf ext
| Osig_modtype (name, Omty_abstract) ->
fprintf ppf "@[<2>module type %s@]" name
| Osig_modtype (name, mty) ->
fprintf ppf "@[<2>module type %s =@ %a@]" name !out_module_type mty
| Osig_module (name, Omty_alias id, _) ->
fprintf ppf "@[<2>module %s =@ %a@]" name print_ident id
| Osig_module (name, mty, rs) ->
fprintf ppf "@[<2>%s %s :@ %a@]"
(match rs with Orec_not -> "module"
| Orec_first -> "module rec"
| Orec_next -> "and")
name !out_module_type mty
| Osig_type(td, rs) ->
print_out_type_decl
(match rs with
| Orec_not -> "type nonrec"
| Orec_first -> "type"
| Orec_next -> "and")
ppf td
| Osig_value vd ->
let kwd = if vd.oval_prims = [] then "val" else "external" in
let pr_prims ppf =
function
[] -> ()
| s :: sl ->
fprintf ppf "@ = \"%s\"" s;
List.iter (fun s -> fprintf ppf "@ \"%s\"" s) sl
in
fprintf ppf "@[<2>%s %a :@ %a%a%a@]" kwd value_ident vd.oval_name
!out_type vd.oval_type pr_prims vd.oval_prims
(fun ppf -> List.iter (fun a -> fprintf ppf "@ [@@@@%s]" a.oattr_name))
vd.oval_attributes
| Osig_ellipsis ->
fprintf ppf "..."
and print_out_type_decl kwd ppf td =
let print_constraints ppf =
List.iter
(fun (ty1, ty2) ->
fprintf ppf "@ @[<2>constraint %a =@ %a@]" !out_type ty1
!out_type ty2)
td.otype_cstrs
in
let type_defined ppf =
match td.otype_params with
[] -> pp_print_string ppf td.otype_name
| [param] -> fprintf ppf "@[%a@ %s@]" type_parameter param td.otype_name
| _ ->
fprintf ppf "@[(@[%a)@]@ %s@]"
(print_list type_parameter (fun ppf -> fprintf ppf ",@ "))
td.otype_params
td.otype_name
in
let print_manifest ppf =
function
Otyp_manifest (ty, _) -> fprintf ppf " =@ %a" !out_type ty
| _ -> ()
in
let print_name_params ppf =
fprintf ppf "%s %t%a" kwd type_defined print_manifest td.otype_type
in
let ty =
match td.otype_type with
Otyp_manifest (_, ty) -> ty
| _ -> td.otype_type
in
let print_private ppf = function
Asttypes.Private -> fprintf ppf " private"
| Asttypes.Public -> ()
in
let print_immediate ppf =
if td.otype_immediate then fprintf ppf " [%@%@immediate]" else ()
in
let print_unboxed ppf =
if td.otype_unboxed then fprintf ppf " [%@%@unboxed]" else ()
in
let print_out_tkind ppf = function
| Otyp_abstract -> ()
| Otyp_record lbls ->
fprintf ppf " =%a %a"
print_private td.otype_private
print_record_decl lbls
| Otyp_sum constrs ->
fprintf ppf " =%a@;<1 2>%a"
print_private td.otype_private
(print_list print_out_constr (fun ppf -> fprintf ppf "@ | ")) constrs
| Otyp_open ->
fprintf ppf " = .."
| ty ->
fprintf ppf " =%a@;<1 2>%a"
print_private td.otype_private
!out_type ty
in
fprintf ppf "@[<2>@[<hv 2>%t%a@]%t%t%t@]"
print_name_params
print_out_tkind ty
print_constraints
print_immediate
print_unboxed
and print_out_constr ppf (name, tyl,ret_type_opt) =
let name =
match name with
| "::" -> "(::)" (* #7200 *)
| s -> s
in
match ret_type_opt with
| None ->
begin match tyl with
| [] ->
pp_print_string ppf name
| _ ->
fprintf ppf "@[<2>%s of@ %a@]" name
(print_typlist print_simple_out_type " *") tyl
end
| Some ret_type ->
begin match tyl with
| [] ->
fprintf ppf "@[<2>%s :@ %a@]" name print_simple_out_type ret_type
| _ ->
fprintf ppf "@[<2>%s :@ %a -> %a@]" name
(print_typlist print_simple_out_type " *")
tyl print_simple_out_type ret_type
end
and print_out_extension_constructor ppf ext =
let print_extended_type ppf =
let print_type_parameter ppf ty =
fprintf ppf "%s"
(if ty = "_" then ty else "'"^ty)
in
match ext.oext_type_params with
[] -> fprintf ppf "%s" ext.oext_type_name
| [ty_param] ->
fprintf ppf "@[%a@ %s@]"
print_type_parameter
ty_param
ext.oext_type_name
| _ ->
fprintf ppf "@[(@[%a)@]@ %s@]"
(print_list print_type_parameter (fun ppf -> fprintf ppf ",@ "))
ext.oext_type_params
ext.oext_type_name
in
fprintf ppf "@[<hv 2>type %t +=%s@;<1 2>%a@]"
print_extended_type
(if ext.oext_private = Asttypes.Private then " private" else "")
print_out_constr (ext.oext_name, ext.oext_args, ext.oext_ret_type)
and print_out_type_extension ppf te =
let print_extended_type ppf =
let print_type_parameter ppf ty =
fprintf ppf "%s"
(if ty = "_" then ty else "'"^ty)
in
match te.otyext_params with
[] -> fprintf ppf "%s" te.otyext_name
| [param] ->
fprintf ppf "@[%a@ %s@]"
print_type_parameter param
te.otyext_name
| _ ->
fprintf ppf "@[(@[%a)@]@ %s@]"
(print_list print_type_parameter (fun ppf -> fprintf ppf ",@ "))
te.otyext_params
te.otyext_name
in
fprintf ppf "@[<hv 2>type %t +=%s@;<1 2>%a@]"
print_extended_type
(if te.otyext_private = Asttypes.Private then " private" else "")
(print_list print_out_constr (fun ppf -> fprintf ppf "@ | "))
te.otyext_constructors
let _ = out_module_type := print_out_module_type
let _ = out_signature := print_out_signature
let _ = out_sig_item := print_out_sig_item
let _ = out_type_extension := print_out_type_extension
(* Phrases *)
let print_out_exception ppf exn outv =
match exn with
Sys.Break -> fprintf ppf "Interrupted.@."
| Out_of_memory -> fprintf ppf "Out of memory during evaluation.@."
| Stack_overflow ->
fprintf ppf "Stack overflow during evaluation (looping recursion?).@."
| _ -> fprintf ppf "@[Exception:@ %a.@]@." !out_value outv
let rec print_items ppf =
function
[] -> ()
| (Osig_typext(ext, Oext_first), None) :: items ->
(* Gather together extension constructors *)
let rec gather_extensions acc items =
match items with
(Osig_typext(ext, Oext_next), None) :: items ->
gather_extensions
((ext.oext_name, ext.oext_args, ext.oext_ret_type) :: acc)
items
| _ -> (List.rev acc, items)
in
let exts, items =
gather_extensions
[(ext.oext_name, ext.oext_args, ext.oext_ret_type)]
items
in
let te =
{ otyext_name = ext.oext_type_name;
otyext_params = ext.oext_type_params;
otyext_constructors = exts;
otyext_private = ext.oext_private }
in
fprintf ppf "@[%a@]" !out_type_extension te;
if items <> [] then fprintf ppf "@ %a" print_items items
| (tree, valopt) :: items ->
begin match valopt with
Some v ->
fprintf ppf "@[<2>%a =@ %a@]" !out_sig_item tree
!out_value v
| None -> fprintf ppf "@[%a@]" !out_sig_item tree
end;
if items <> [] then fprintf ppf "@ %a" print_items items
let print_out_phrase ppf =
function
Ophr_eval (outv, ty) ->
fprintf ppf "@[- : %a@ =@ %a@]@." !out_type ty !out_value outv
| Ophr_signature [] -> ()
| Ophr_signature items -> fprintf ppf "@[<v>%a@]@." print_items items
| Ophr_exception (exn, outv) -> print_out_exception ppf exn outv
let out_phrase = ref print_out_phrase
|