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Patterns for int and string constants
author Adam Chlipala <adamc@hcoop.net>
date Thu, 31 Jul 2008 10:44:52 -0400
parents c7a6e6dbc318
children b2d752455182
rev   line source
adamc@3 1 (* Copyright (c) 2008, Adam Chlipala
adamc@3 2 * All rights reserved.
adamc@3 3 *
adamc@3 4 * Redistribution and use in source and binary forms, with or without
adamc@3 5 * modification, are permitted provided that the following conditions are met:
adamc@3 6 *
adamc@3 7 * - Redistributions of source code must retain the above copyright notice,
adamc@3 8 * this list of conditions and the following disclaimer.
adamc@3 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@3 10 * this list of conditions and the following disclaimer in the documentation
adamc@3 11 * and/or other materials provided with the distribution.
adamc@3 12 * - The names of contributors may not be used to endorse or promote products
adamc@3 13 * derived from this software without specific prior written permission.
adamc@3 14 *
adamc@3 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@3 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@3 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@3 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@3 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@3 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@3 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@3 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@3 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@3 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@3 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@3 26 *)
adamc@3 27
adamc@3 28 (* Pretty-printing elaborated Laconic/Web *)
adamc@3 29
adamc@3 30 structure ElabPrint :> ELAB_PRINT = struct
adamc@3 31
adamc@3 32 open Print.PD
adamc@3 33 open Print
adamc@3 34
adamc@3 35 open Elab
adamc@3 36
adamc@3 37 structure E = ElabEnv
adamc@3 38
adamc@11 39 val debug = ref false
adamc@11 40
adamc@3 41 fun p_kind' par (k, _) =
adamc@3 42 case k of
adamc@3 43 KType => string "Type"
adamc@3 44 | KArrow (k1, k2) => parenIf par (box [p_kind' true k1,
adamc@3 45 space,
adamc@3 46 string "->",
adamc@3 47 space,
adamc@3 48 p_kind k2])
adamc@3 49 | KName => string "Name"
adamc@3 50 | KRecord k => box [string "{", p_kind k, string "}"]
adamc@82 51 | KUnit => string "Unit"
adamc@3 52
adamc@3 53 | KError => string "<ERROR>"
adamc@76 54 | KUnif (_, _, ref (SOME k)) => p_kind' par k
adamc@76 55 | KUnif (_, s, _) => string ("<UNIF:" ^ s ^ ">")
adamc@3 56
adamc@3 57 and p_kind k = p_kind' false k
adamc@3 58
adamc@3 59 fun p_explicitness e =
adamc@3 60 case e of
adamc@3 61 Explicit => string "::"
adamc@3 62 | Implicit => string ":::"
adamc@3 63
adamc@3 64 fun p_con' par env (c, _) =
adamc@3 65 case c of
adamc@3 66 TFun (t1, t2) => parenIf par (box [p_con' true env t1,
adamc@3 67 space,
adamc@3 68 string "->",
adamc@3 69 space,
adamc@3 70 p_con env t2])
adamc@3 71 | TCFun (e, x, k, c) => parenIf par (box [string x,
adamc@3 72 space,
adamc@3 73 p_explicitness e,
adamc@3 74 space,
adamc@3 75 p_kind k,
adamc@3 76 space,
adamc@3 77 string "->",
adamc@3 78 space,
adamc@3 79 p_con (E.pushCRel env x k) c])
adamc@85 80 | TDisjoint (c1, c2, c3) => parenIf par (box [p_con env c1,
adamc@85 81 space,
adamc@85 82 string "~",
adamc@85 83 space,
adamc@85 84 p_con env c2,
adamc@85 85 space,
adamc@85 86 string "->",
adamc@85 87 space,
adamc@85 88 p_con env c3])
adamc@3 89 | TRecord (CRecord (_, xcs), _) => box [string "{",
adamc@3 90 p_list (fn (x, c) =>
adamc@20 91 box [p_name env x,
adamc@3 92 space,
adamc@3 93 string ":",
adamc@3 94 space,
adamc@3 95 p_con env c]) xcs,
adamc@3 96 string "}"]
adamc@3 97 | TRecord c => box [string "$",
adamc@3 98 p_con' true env c]
adamc@3 99
adamc@11 100 | CRel n =>
adamc@71 101 ((if !debug then
adamc@71 102 string (#1 (E.lookupCRel env n) ^ "_" ^ Int.toString n)
adamc@71 103 else
adamc@71 104 string (#1 (E.lookupCRel env n)))
adamc@71 105 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 106 | CNamed n =>
adamc@34 107 ((if !debug then
adamc@34 108 string (#1 (E.lookupCNamed env n) ^ "__" ^ Int.toString n)
adamc@34 109 else
adamc@34 110 string (#1 (E.lookupCNamed env n)))
adamc@34 111 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 112 | CModProj (m1, ms, x) =>
adamc@34 113 let
adamc@88 114 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 115 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 116
adamc@34 117 val m1s = if !debug then
adamc@34 118 m1x ^ "__" ^ Int.toString m1
adamc@34 119 else
adamc@34 120 m1x
adamc@34 121 in
adamc@34 122 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@88 123 end
adamc@3 124
adamc@3 125 | CApp (c1, c2) => parenIf par (box [p_con env c1,
adamc@3 126 space,
adamc@3 127 p_con' true env c2])
adamc@147 128 | CAbs (x, k, c) => parenIf true (box [string "fn",
adamc@147 129 space,
adamc@147 130 string x,
adamc@147 131 space,
adamc@147 132 string "::",
adamc@147 133 space,
adamc@147 134 p_kind k,
adamc@147 135 space,
adamc@147 136 string "=>",
adamc@147 137 space,
adamc@147 138 p_con (E.pushCRel env x k) c])
adamc@84 139 | CDisjoint (c1, c2, c3) => parenIf par (box [p_con env c1,
adamc@84 140 space,
adamc@84 141 string "~",
adamc@84 142 space,
adamc@84 143 p_con env c2,
adamc@84 144 space,
adamc@84 145 string "=>",
adamc@84 146 space,
adamc@84 147 p_con env c3])
adamc@3 148
adamc@3 149 | CName s => box [string "#", string s]
adamc@3 150
adamc@12 151 | CRecord (k, xcs) =>
adamc@12 152 if !debug then
adamc@12 153 parenIf par (box [string "[",
adamc@12 154 p_list (fn (x, c) =>
adamc@12 155 box [p_con env x,
adamc@12 156 space,
adamc@12 157 string "=",
adamc@12 158 space,
adamc@12 159 p_con env c]) xcs,
adamc@12 160 string "]::",
adamc@12 161 p_kind k])
adamc@12 162 else
adamc@12 163 parenIf par (box [string "[",
adamc@12 164 p_list (fn (x, c) =>
adamc@12 165 box [p_con env x,
adamc@12 166 space,
adamc@12 167 string "=",
adamc@12 168 space,
adamc@12 169 p_con env c]) xcs,
adamc@12 170 string "]"])
adamc@3 171 | CConcat (c1, c2) => parenIf par (box [p_con' true env c1,
adamc@3 172 space,
adamc@3 173 string "++",
adamc@3 174 space,
adamc@3 175 p_con env c2])
adamc@67 176 | CFold _ => string "fold"
adamc@3 177
adamc@82 178 | CUnit => string "()"
adamc@82 179
adamc@3 180 | CError => string "<ERROR>"
adamc@76 181 | CUnif (_, _, _, ref (SOME c)) => p_con' par env c
adamc@76 182 | CUnif (_, k, s, _) => box [string ("<UNIF:" ^ s ^ "::"),
adamc@76 183 p_kind k,
adamc@76 184 string ">"]
adamc@3 185
adamc@3 186 and p_con env = p_con' false env
adamc@3 187
adamc@20 188 and p_name env (all as (c, _)) =
adamc@20 189 case c of
adamc@20 190 CName s => string s
adamc@20 191 | _ => p_con env all
adamc@20 192
adamc@171 193 fun p_patCon env pc =
adamc@171 194 case pc of
adamc@171 195 PConVar n =>
adamc@171 196 ((if !debug then
adamc@171 197 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@171 198 else
adamc@171 199 string (#1 (E.lookupENamed env n)))
adamc@171 200 handle E.UnboundRel _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@171 201 | PConProj (m1, ms, x) =>
adamc@171 202 let
adamc@171 203 val m1x = #1 (E.lookupStrNamed env m1)
adamc@171 204 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@171 205
adamc@171 206 val m1s = if !debug then
adamc@171 207 m1x ^ "__" ^ Int.toString m1
adamc@171 208 else
adamc@171 209 m1x
adamc@171 210 in
adamc@171 211 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@171 212 end
adamc@171 213
adamc@171 214 fun p_pat' par env (p, _) =
adamc@171 215 case p of
adamc@171 216 PWild => string "_"
adamc@171 217 | PVar s => string s
adamc@173 218 | PPrim p => Prim.p_t p
adamc@171 219 | PCon (pc, NONE) => p_patCon env pc
adamc@171 220 | PCon (pc, SOME p) => parenIf par (box [p_patCon env pc,
adamc@171 221 space,
adamc@171 222 p_pat' true env p])
adamc@171 223
adamc@171 224 val p_pat = p_pat' false
adamc@171 225
adamc@9 226 fun p_exp' par env (e, _) =
adamc@9 227 case e of
adamc@14 228 EPrim p => Prim.p_t p
adamc@14 229 | ERel n =>
adamc@88 230 ((if !debug then
adamc@88 231 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
adamc@88 232 else
adamc@88 233 string (#1 (E.lookupERel env n)))
adamc@88 234 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 235 | ENamed n =>
adamc@88 236 ((if !debug then
adamc@88 237 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@88 238 else
adamc@88 239 string (#1 (E.lookupENamed env n)))
adamc@88 240 handle E.UnboundRel _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 241 | EModProj (m1, ms, x) =>
adamc@34 242 let
adamc@88 243 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 244 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 245
adamc@34 246 val m1s = if !debug then
adamc@34 247 m1x ^ "__" ^ Int.toString m1
adamc@34 248 else
adamc@34 249 m1x
adamc@34 250 in
adamc@34 251 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@34 252 end
adamc@34 253
adamc@9 254 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
adamc@9 255 space,
adamc@9 256 p_exp' true env e2])
adamc@26 257 | EAbs (x, t, _, e) => parenIf par (box [string "fn",
adamc@26 258 space,
adamc@26 259 string x,
adamc@26 260 space,
adamc@26 261 string ":",
adamc@26 262 space,
adamc@26 263 p_con env t,
adamc@26 264 space,
adamc@26 265 string "=>",
adamc@26 266 space,
adamc@26 267 p_exp (E.pushERel env x t) e])
adamc@9 268 | ECApp (e, c) => parenIf par (box [p_exp env e,
adamc@9 269 space,
adamc@9 270 string "[",
adamc@9 271 p_con env c,
adamc@9 272 string "]"])
adamc@9 273 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
adamc@9 274 space,
adamc@9 275 string x,
adamc@9 276 space,
adamc@9 277 p_explicitness exp,
adamc@9 278 space,
adamc@9 279 p_kind k,
adamc@9 280 space,
adamc@9 281 string "=>",
adamc@9 282 space,
adamc@9 283 p_exp (E.pushCRel env x k) e])
adamc@9 284
adamc@12 285 | ERecord xes => box [string "{",
adamc@29 286 p_list (fn (x, e, _) =>
adamc@21 287 box [p_name env x,
adamc@12 288 space,
adamc@12 289 string "=",
adamc@12 290 space,
adamc@12 291 p_exp env e]) xes,
adamc@12 292 string "}"]
adamc@12 293 | EField (e, c, {field, rest}) =>
adamc@12 294 if !debug then
adamc@12 295 box [p_exp' true env e,
adamc@12 296 string ".",
adamc@12 297 p_con' true env c,
adamc@12 298 space,
adamc@12 299 string "[",
adamc@12 300 p_con env field,
adamc@12 301 space,
adamc@12 302 string " in ",
adamc@12 303 space,
adamc@12 304 p_con env rest,
adamc@12 305 string "]"]
adamc@12 306 else
adamc@12 307 box [p_exp' true env e,
adamc@12 308 string ".",
adamc@12 309 p_con' true env c]
adamc@149 310 | ECut (e, c, {field, rest}) =>
adamc@149 311 parenIf par (if !debug then
adamc@149 312 box [p_exp' true env e,
adamc@149 313 space,
adamc@149 314 string "--",
adamc@149 315 space,
adamc@149 316 p_con' true env c,
adamc@149 317 space,
adamc@149 318 string "[",
adamc@149 319 p_con env field,
adamc@149 320 space,
adamc@149 321 string " in ",
adamc@149 322 space,
adamc@149 323 p_con env rest,
adamc@149 324 string "]"]
adamc@149 325 else
adamc@149 326 box [p_exp' true env e,
adamc@149 327 space,
adamc@149 328 string "--",
adamc@149 329 space,
adamc@149 330 p_con' true env c])
adamc@72 331 | EFold _ => string "fold"
adamc@71 332
adamc@171 333 | ECase (e, pes, _) => parenIf par (box [string "case",
adamc@171 334 space,
adamc@171 335 p_exp env e,
adamc@171 336 space,
adamc@171 337 string "of",
adamc@171 338 space,
adamc@171 339 p_list_sep (box [space, string "|", space])
adamc@171 340 (fn (p, e) => box [p_pat env p,
adamc@171 341 space,
adamc@171 342 string "=>",
adamc@171 343 space,
adamc@171 344 p_exp env e]) pes])
adamc@171 345
adamc@9 346 | EError => string "<ERROR>"
adamc@9 347
adamc@9 348 and p_exp env = p_exp' false env
adamc@9 349
adamc@31 350 fun p_named x n =
adamc@31 351 if !debug then
adamc@31 352 box [string x,
adamc@31 353 string "__",
adamc@31 354 string (Int.toString n)]
adamc@31 355 else
adamc@31 356 string x
adamc@31 357
adamc@156 358 fun p_datatype env (x, n, cons) =
adamc@156 359 let
adamc@156 360 val env = E.pushCNamedAs env x n (KType, ErrorMsg.dummySpan) NONE
adamc@156 361 in
adamc@156 362 box [string "datatype",
adamc@156 363 space,
adamc@156 364 string x,
adamc@156 365 space,
adamc@156 366 string "=",
adamc@156 367 space,
adamc@156 368 p_list_sep (box [space, string "|", space])
adamc@156 369 (fn (x, _, NONE) => string x
adamc@156 370 | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t])
adamc@156 371 cons]
adamc@156 372 end
adamc@156 373
adamc@31 374 fun p_sgn_item env (sgi, _) =
adamc@31 375 case sgi of
adamc@31 376 SgiConAbs (x, n, k) => box [string "con",
adamc@31 377 space,
adamc@31 378 p_named x n,
adamc@31 379 space,
adamc@31 380 string "::",
adamc@31 381 space,
adamc@31 382 p_kind k]
adamc@31 383 | SgiCon (x, n, k, c) => box [string "con",
adamc@31 384 space,
adamc@31 385 p_named x n,
adamc@31 386 space,
adamc@31 387 string "::",
adamc@31 388 space,
adamc@31 389 p_kind k,
adamc@31 390 space,
adamc@31 391 string "=",
adamc@31 392 space,
adamc@31 393 p_con env c]
adamc@156 394 | SgiDatatype x => p_datatype env x
adamc@162 395 | SgiDatatypeImp (x, _, m1, ms, x', _) =>
adamc@156 396 let
adamc@156 397 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 398 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 399 in
adamc@156 400 box [string "datatype",
adamc@156 401 space,
adamc@156 402 string x,
adamc@156 403 space,
adamc@156 404 string "=",
adamc@156 405 space,
adamc@156 406 string "datatype",
adamc@156 407 space,
adamc@156 408 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 409 end
adamc@31 410 | SgiVal (x, n, c) => box [string "val",
adamc@31 411 space,
adamc@31 412 p_named x n,
adamc@31 413 space,
adamc@31 414 string ":",
adamc@31 415 space,
adamc@31 416 p_con env c]
adamc@31 417 | SgiStr (x, n, sgn) => box [string "structure",
adamc@31 418 space,
adamc@31 419 p_named x n,
adamc@31 420 space,
adamc@31 421 string ":",
adamc@31 422 space,
adamc@31 423 p_sgn env sgn]
adamc@59 424 | SgiSgn (x, n, sgn) => box [string "signature",
adamc@59 425 space,
adamc@59 426 p_named x n,
adamc@59 427 space,
adamc@59 428 string "=",
adamc@59 429 space,
adamc@59 430 p_sgn env sgn]
adamc@88 431 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 432 space,
adamc@88 433 p_con env c1,
adamc@88 434 space,
adamc@88 435 string "~",
adamc@88 436 space,
adamc@88 437 p_con env c2]
adamc@31 438
adamc@31 439 and p_sgn env (sgn, _) =
adamc@31 440 case sgn of
adamc@31 441 SgnConst sgis => box [string "sig",
adamc@31 442 newline,
adamc@32 443 let
adamc@32 444 val (psgis, _) = ListUtil.foldlMap (fn (sgi, env) =>
adamc@32 445 (p_sgn_item env sgi,
adamc@32 446 E.sgiBinds env sgi))
adamc@32 447 env sgis
adamc@32 448 in
adamc@32 449 p_list_sep newline (fn x => x) psgis
adamc@32 450 end,
adamc@31 451 newline,
adamc@31 452 string "end"]
adamc@88 453 | SgnVar n => ((string (#1 (E.lookupSgnNamed env n)))
adamc@88 454 handle E.UnboundNamed _ => string ("UNBOUND_SGN_" ^ Int.toString n))
adamc@41 455 | SgnFun (x, n, sgn, sgn') => box [string "functor",
adamc@41 456 space,
adamc@41 457 string "(",
adamc@41 458 string x,
adamc@41 459 space,
adamc@41 460 string ":",
adamc@41 461 space,
adamc@41 462 p_sgn env sgn,
adamc@41 463 string ")",
adamc@41 464 space,
adamc@41 465 string ":",
adamc@41 466 space,
adamc@41 467 p_sgn (E.pushStrNamedAs env x n sgn) sgn']
adamc@42 468 | SgnWhere (sgn, x, c) => box [p_sgn env sgn,
adamc@42 469 space,
adamc@42 470 string "where",
adamc@42 471 space,
adamc@42 472 string "con",
adamc@42 473 space,
adamc@42 474 string x,
adamc@42 475 space,
adamc@42 476 string "=",
adamc@42 477 space,
adamc@42 478 p_con env c]
adamc@59 479 | SgnProj (m1, ms, x) =>
adamc@59 480 let
adamc@88 481 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 482 handle E.UnboundNamed _ => "UNBOUND_SGN_" ^ Int.toString m1
adamc@88 483
adamc@59 484 val m1s = if !debug then
adamc@59 485 m1x ^ "__" ^ Int.toString m1
adamc@59 486 else
adamc@59 487 m1x
adamc@88 488 in
adamc@59 489 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@59 490 end
adamc@31 491 | SgnError => string "<ERROR>"
adamc@31 492
adamc@123 493 fun p_vali env (x, n, t, e) = box [p_named x n,
adamc@123 494 space,
adamc@123 495 string ":",
adamc@123 496 space,
adamc@123 497 p_con env t,
adamc@123 498 space,
adamc@123 499 string "=",
adamc@123 500 space,
adamc@123 501 p_exp env e]
adamc@123 502
adamc@123 503 fun p_decl env (dAll as (d, _) : decl) =
adamc@3 504 case d of
adamc@31 505 DCon (x, n, k, c) => box [string "con",
adamc@31 506 space,
adamc@31 507 p_named x n,
adamc@31 508 space,
adamc@31 509 string "::",
adamc@31 510 space,
adamc@31 511 p_kind k,
adamc@31 512 space,
adamc@31 513 string "=",
adamc@31 514 space,
adamc@31 515 p_con env c]
adamc@156 516 | DDatatype x => p_datatype env x
adamc@162 517 | DDatatypeImp (x, _, m1, ms, x', _) =>
adamc@156 518 let
adamc@156 519 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 520 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 521 in
adamc@156 522 box [string "datatype",
adamc@156 523 space,
adamc@156 524 string x,
adamc@156 525 space,
adamc@156 526 string "=",
adamc@156 527 space,
adamc@156 528 string "datatype",
adamc@156 529 space,
adamc@156 530 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 531 end
adamc@123 532 | DVal vi => box [string "val",
adamc@123 533 space,
adamc@123 534 p_vali env vi]
adamc@123 535 | DValRec vis =>
adamc@123 536 let
adamc@123 537 val env = E.declBinds env dAll
adamc@123 538 in
adamc@123 539 box [string "val",
adamc@123 540 space,
adamc@123 541 string "rec",
adamc@123 542 space,
adamc@123 543 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
adamc@123 544 end
adamc@31 545
adamc@31 546 | DSgn (x, n, sgn) => box [string "signature",
adamc@31 547 space,
adamc@31 548 p_named x n,
adamc@31 549 space,
adamc@31 550 string "=",
adamc@31 551 space,
adamc@31 552 p_sgn env sgn]
adamc@31 553 | DStr (x, n, sgn, str) => box [string "structure",
adamc@31 554 space,
adamc@31 555 p_named x n,
adamc@31 556 space,
adamc@31 557 string ":",
adamc@31 558 space,
adamc@31 559 p_sgn env sgn,
adamc@31 560 space,
adamc@31 561 string "=",
adamc@31 562 space,
adamc@31 563 p_str env str]
adamc@48 564 | DFfiStr (x, n, sgn) => box [string "extern",
adamc@48 565 space,
adamc@48 566 string "structure",
adamc@48 567 space,
adamc@48 568 p_named x n,
adamc@48 569 space,
adamc@48 570 string ":",
adamc@48 571 space,
adamc@48 572 p_sgn env sgn]
adamc@88 573 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 574 space,
adamc@88 575 p_con env c1,
adamc@88 576 space,
adamc@88 577 string "~",
adamc@88 578 space,
adamc@88 579 p_con env c2]
adamc@109 580 | DExport (_, sgn, str) => box [string "export",
adamc@110 581 space,
adamc@109 582 p_str env str,
adamc@109 583 space,
adamc@109 584 string ":",
adamc@109 585 space,
adamc@109 586 p_sgn env sgn]
adamc@31 587
adamc@31 588 and p_str env (str, _) =
adamc@31 589 case str of
adamc@31 590 StrConst ds => box [string "struct",
adamc@31 591 newline,
adamc@32 592 p_file env ds,
adamc@31 593 newline,
adamc@31 594 string "end"]
adamc@88 595 | StrVar n => ((string (#1 (E.lookupStrNamed env n)))
adamc@88 596 handle E.UnboundNamed _ => string ("UNBOUND_STR_" ^ Int.toString n))
adamc@34 597 | StrProj (str, s) => box [p_str env str,
adamc@34 598 string ".",
adamc@34 599 string s]
adamc@41 600 | StrFun (x, n, sgn, sgn', str) =>
adamc@41 601 let
adamc@41 602 val env' = E.pushStrNamedAs env x n sgn
adamc@41 603 in
adamc@41 604 box [string "functor",
adamc@41 605 space,
adamc@41 606 string "(",
adamc@41 607 string x,
adamc@41 608 space,
adamc@41 609 string ":",
adamc@41 610 space,
adamc@41 611 p_sgn env sgn,
adamc@41 612 string ")",
adamc@41 613 space,
adamc@41 614 string ":",
adamc@41 615 space,
adamc@41 616 p_sgn env' sgn',
adamc@41 617 space,
adamc@41 618 string "=>",
adamc@41 619 space,
adamc@41 620 p_str env' str]
adamc@41 621 end
adamc@44 622 | StrApp (str1, str2) => box [p_str env str1,
adamc@44 623 string "(",
adamc@44 624 p_str env str2,
adamc@44 625 string ")"]
adamc@31 626 | StrError => string "<ERROR>"
adamc@3 627
adamc@32 628 and p_file env file =
adamc@3 629 let
adamc@31 630 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 631 (p_decl env d,
adamc@31 632 E.declBinds env d))
adamc@31 633 env file
adamc@3 634 in
adamc@3 635 p_list_sep newline (fn x => x) pds
adamc@3 636 end
adamc@3 637
adamc@3 638 end