Mercurial > urweb

annotate src/source_print.sml @ 511:6d6222e045b0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
crud1 compiles with new Reduce
author Adam Chlipala <adamc@hcoop.net>
date Wed, 26 Nov 2008 15:03:45 -0500
parents ae03d09043c1
children 44958d74c43f
rev   line source
adamc@1 1 (* Copyright (c) 2008, Adam Chlipala
adamc@1 2 * All rights reserved.
adamc@1 3 *
adamc@1 4 * Redistribution and use in source and binary forms, with or without
adamc@1 5 * modification, are permitted provided that the following conditions are met:
adamc@1 6 *
adamc@1 7 * - Redistributions of source code must retain the above copyright notice,
adamc@1 8 * this list of conditions and the following disclaimer.
adamc@1 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@1 10 * this list of conditions and the following disclaimer in the documentation
adamc@1 11 * and/or other materials provided with the distribution.
adamc@1 12 * - The names of contributors may not be used to endorse or promote products
adamc@1 13 * derived from this software without specific prior written permission.
adamc@1 14 *
adamc@1 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@1 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@1 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@1 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@1 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@1 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@1 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@1 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@1 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@1 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@1 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@1 26 *)
adamc@1 27
adamc@244 28 (* Pretty-printing Ur/Web *)
adamc@1 29
adamc@4 30 structure SourcePrint :> SOURCE_PRINT = struct
adamc@1 31
adamc@1 32 open Print.PD
adamc@1 33 open Print
adamc@1 34
adamc@4 35 open Source
adamc@1 36
adamc@1 37 fun p_kind' par (k, _) =
adamc@1 38 case k of
adamc@1 39 KType => string "Type"
adamc@1 40 | KArrow (k1, k2) => parenIf par (box [p_kind' true k1,
adamc@1 41 space,
adamc@1 42 string "->",
adamc@1 43 space,
adamc@1 44 p_kind k2])
adamc@1 45 | KName => string "Name"
adamc@1 46 | KRecord k => box [string "{", p_kind k, string "}"]
adamc@82 47 | KUnit => string "Unit"
adamc@18 48 | KWild => string "_"
adamc@207 49 | KTuple ks => box [string "(",
adamc@207 50 p_list_sep (box [space, string "*", space]) p_kind ks,
adamc@207 51 string ")"]
adamc@1 52
adamc@1 53 and p_kind k = p_kind' false k
adamc@1 54
adamc@1 55 fun p_explicitness e =
adamc@1 56 case e of
adamc@1 57 Explicit => string "::"
adamc@1 58 | Implicit => string ":::"
adamc@1 59
adamc@1 60 fun p_con' par (c, _) =
adamc@1 61 case c of
adamc@1 62 CAnnot (c, k) => box [string "(",
adamc@1 63 p_con c,
adamc@1 64 space,
adamc@1 65 string "::",
adamc@1 66 space,
adamc@1 67 p_kind k,
adamc@1 68 string ")"]
adamc@1 69
adamc@1 70 | TFun (t1, t2) => parenIf par (box [p_con' true t1,
adamc@1 71 space,
adamc@1 72 string "->",
adamc@1 73 space,
adamc@1 74 p_con t2])
adamc@1 75 | TCFun (e, x, k, c) => parenIf par (box [string x,
adamc@1 76 space,
adamc@1 77 p_explicitness e,
adamc@1 78 space,
adamc@1 79 p_kind k,
adamc@1 80 space,
adamc@1 81 string "->",
adamc@1 82 space,
adamc@1 83 p_con c])
adamc@1 84 | TRecord (CRecord xcs, _) => box [string "{",
adamc@1 85 p_list (fn (x, c) =>
adamc@20 86 box [p_name x,
adamc@1 87 space,
adamc@1 88 string ":",
adamc@1 89 space,
adamc@1 90 p_con c]) xcs,
adamc@1 91 string "}"]
adamc@1 92 | TRecord c => box [string "$",
adamc@1 93 p_con' true c]
adamc@1 94
adamc@34 95 | CVar (ss, s) => p_list_sep (string ".") string (ss @ [s])
adamc@1 96 | CApp (c1, c2) => parenIf par (box [p_con c1,
adamc@1 97 space,
adamc@1 98 p_con' true c2])
adamc@67 99 | CAbs (x, NONE, c) => parenIf par (box [string "fn",
adamc@67 100 space,
adamc@67 101 string x,
adamc@67 102 space,
adamc@67 103 string "=>",
adamc@67 104 space,
adamc@67 105 p_con c])
adamc@67 106 | CAbs (x, SOME k, c) => parenIf par (box [string "fn",
adamc@67 107 space,
adamc@67 108 string x,
adamc@67 109 space,
adamc@67 110 string "::",
adamc@67 111 space,
adamc@67 112 p_kind k,
adamc@67 113 space,
adamc@67 114 string "=>",
adamc@67 115 space,
adamc@67 116 p_con c])
adamc@84 117 | CDisjoint (c1, c2, c3) => parenIf par (box [p_con c1,
adamc@84 118 space,
adamc@84 119 string "~",
adamc@84 120 space,
adamc@84 121 p_con c2,
adamc@84 122 space,
adamc@84 123 string "=>",
adamc@84 124 space,
adamc@84 125 p_con c3])
adamc@1 126
adamc@1 127 | CName s => box [string "#", string s]
adamc@1 128
adamc@1 129 | CRecord xcs => box [string "[",
adamc@1 130 p_list (fn (x, c) =>
adamc@1 131 box [p_con x,
adamc@1 132 space,
adamc@1 133 string "=",
adamc@1 134 space,
adamc@1 135 p_con c]) xcs,
adamc@1 136 string "]"]
adamc@1 137 | CConcat (c1, c2) => parenIf par (box [p_con' true c1,
adamc@1 138 space,
adamc@1 139 string "++",
adamc@1 140 space,
adamc@1 141 p_con c2])
adamc@67 142 | CFold => string "fold"
adamc@82 143
adamc@82 144 | CUnit => string "()"
adamc@82 145
adamc@18 146 | CWild k => box [string "(_",
adamc@18 147 space,
adamc@18 148 string "::",
adamc@18 149 space,
adamc@223 150 p_kind k,
adamc@223 151 string ")"]
adamc@207 152
adamc@207 153 | CTuple cs => box [string "(",
adamc@207 154 p_list p_con cs,
adamc@207 155 string ")"]
adamc@207 156 | CProj (c, n) => box [p_con c,
adamc@207 157 string ".",
adamc@207 158 string (Int.toString n)]
adamc@1 159
adamc@1 160 and p_con c = p_con' false c
adamc@1 161
adamc@20 162 and p_name (all as (c, _)) =
adamc@20 163 case c of
adamc@20 164 CName s => string s
adamc@20 165 | _ => p_con all
adamc@20 166
adamc@170 167 fun p_pat' par (p, _) =
adamc@170 168 case p of
adamc@170 169 PWild => string "_"
adamc@170 170 | PVar s => string s
adamc@173 171 | PPrim p => Prim.p_t p
adamc@170 172 | PCon (ms, x, NONE) => p_list_sep (string ".") string (ms @ [x])
adamc@170 173 | PCon (ms, x, SOME p) => parenIf par (box [p_list_sep (string ".") string (ms @ [x]),
adamc@170 174 space,
adamc@170 175 p_pat' true p])
adamc@174 176 | PRecord (xps, flex) =>
adamc@174 177 let
adamc@175 178 val pps = map (fn (x, p) => box [string x, space, string "=", space, p_pat p]) xps
adamc@174 179 in
adamc@174 180 box [string "{",
adamc@174 181 p_list_sep (box [string ",", space]) (fn x => x)
adamc@174 182 (if flex then
adamc@175 183 pps @ [string "..."]
adamc@174 184 else
adamc@175 185 pps),
adamc@174 186 string "}"]
adamc@174 187 end
adamc@170 188
adamc@174 189 and p_pat x = p_pat' false x
adamc@170 190
adamc@8 191 fun p_exp' par (e, _) =
adamc@8 192 case e of
adamc@8 193 EAnnot (e, t) => box [string "(",
adamc@8 194 p_exp e,
adamc@8 195 space,
adamc@8 196 string ":",
adamc@8 197 space,
adamc@8 198 p_con t,
adamc@8 199 string ")"]
adamc@8 200
adamc@14 201 | EPrim p => Prim.p_t p
adamc@403 202 | EVar (ss, s, _) => p_list_sep (string ".") string (ss @ [s])
adamc@8 203 | EApp (e1, e2) => parenIf par (box [p_exp e1,
adamc@8 204 space,
adamc@8 205 p_exp' true e2])
adamc@8 206 | EAbs (x, NONE, e) => parenIf par (box [string "fn",
adamc@8 207 space,
adamc@8 208 string x,
adamc@8 209 space,
adamc@8 210 string "=>",
adamc@8 211 space,
adamc@8 212 p_exp e])
adamc@8 213 | EAbs (x, SOME t, e) => parenIf par (box [string "fn",
adamc@8 214 space,
adamc@8 215 string x,
adamc@8 216 space,
adamc@8 217 string ":",
adamc@8 218 space,
adamc@8 219 p_con t,
adamc@8 220 space,
adamc@8 221 string "=>",
adamc@8 222 space,
adamc@8 223 p_exp e])
adamc@8 224 | ECApp (e, c) => parenIf par (box [p_exp e,
adamc@8 225 space,
adamc@8 226 string "[",
adamc@8 227 p_con c,
adamc@8 228 string "]"])
adamc@8 229 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
adamc@8 230 space,
adamc@8 231 string x,
adamc@8 232 space,
adamc@8 233 p_explicitness exp,
adamc@8 234 space,
adamc@8 235 p_kind k,
adamc@8 236 space,
adamc@8 237 string "=>",
adamc@8 238 space,
adamc@8 239 p_exp e])
adamc@85 240 | EDisjoint (c1, c2, e) => parenIf par (box [p_con c1,
adamc@85 241 space,
adamc@85 242 string "~",
adamc@85 243 space,
adamc@85 244 p_con c2,
adamc@85 245 space,
adamc@85 246 string "=>",
adamc@85 247 space,
adamc@85 248 p_exp e])
adamc@8 249
adamc@12 250 | ERecord xes => box [string "{",
adamc@12 251 p_list (fn (x, e) =>
adamc@21 252 box [p_name x,
adamc@12 253 space,
adamc@12 254 string "=",
adamc@12 255 space,
adamc@12 256 p_exp e]) xes,
adamc@12 257 string "}"]
adamc@12 258 | EField (e, c) => box [p_exp' true e,
adamc@12 259 string ".",
adamc@12 260 p_con' true c]
adamc@445 261 | EConcat (e1, e2) => parenIf par (box [p_exp' true e1,
adamc@445 262 space,
adamc@445 263 string "++",
adamc@445 264 space,
adamc@445 265 p_exp' true e2])
adamc@149 266 | ECut (e, c) => parenIf par (box [p_exp' true e,
adamc@149 267 space,
adamc@149 268 string "--",
adamc@149 269 space,
adamc@149 270 p_con' true c])
adamc@493 271 | ECutMulti (e, c) => parenIf par (box [p_exp' true e,
adamc@493 272 space,
adamc@493 273 string "---",
adamc@493 274 space,
adamc@493 275 p_con' true c])
adamc@71 276 | EFold => string "fold"
adamc@12 277
adamc@170 278 | ECase (e, pes) => parenIf par (box [string "case",
adamc@170 279 space,
adamc@171 280 p_exp e,
adamc@170 281 space,
adamc@170 282 string "of",
adamc@170 283 space,
adamc@170 284 p_list_sep (box [space, string "|", space])
adamc@170 285 (fn (p, e) => box [p_pat p,
adamc@170 286 space,
adamc@170 287 string "=>",
adamc@170 288 space,
adamc@170 289 p_exp e]) pes])
adamc@170 290
adamc@219 291 | EWild => string "_"
adamc@210 292
adamc@446 293 | ELet (ds, e) => box [string "let",
adamc@446 294 newline,
adamc@446 295 box [p_list_sep newline p_edecl ds],
adamc@446 296 newline,
adamc@446 297 string "in",
adamc@446 298 newline,
adamc@446 299 box [p_exp e],
adamc@446 300 newline,
adamc@446 301 string "end"]
adamc@446 302
adamc@8 303 and p_exp e = p_exp' false e
adamc@8 304
adamc@446 305 and p_edecl (d, _) =
adamc@446 306 case d of
adamc@446 307 EDVal vi => box [string "val",
adamc@446 308 space,
adamc@446 309 p_vali vi]
adamc@446 310 | EDValRec vis => box [string "val",
adamc@446 311 space,
adamc@446 312 string "rec",
adamc@446 313 space,
adamc@446 314 p_list_sep (box [newline, string "and", space]) p_vali vis]
adamc@446 315
adamc@446 316 and p_vali (x, co, e) =
adamc@446 317 case co of
adamc@446 318 NONE => box [string x,
adamc@446 319 space,
adamc@446 320 string "=",
adamc@446 321 space,
adamc@446 322 p_exp e]
adamc@446 323 | SOME t => box [string x,
adamc@446 324 space,
adamc@446 325 string ":",
adamc@446 326 space,
adamc@446 327 p_con t,
adamc@446 328 space,
adamc@446 329 string "=",
adamc@446 330 space,
adamc@446 331 p_exp e]
adamc@446 332
adamc@446 333
adamc@191 334 fun p_datatype (x, xs, cons) =
adamc@156 335 box [string "datatype",
adamc@156 336 space,
adamc@156 337 string x,
adamc@191 338 p_list_sep (box []) (fn x => box [space, string x]) xs,
adamc@156 339 space,
adamc@156 340 string "=",
adamc@156 341 space,
adamc@156 342 p_list_sep (box [space, string "|", space])
adamc@156 343 (fn (x, NONE) => string x
adamc@156 344 | (x, SOME t) => box [string x, space, string "of", space, p_con t])
adamc@156 345 cons]
adamc@156 346
adamc@30 347 fun p_sgn_item (sgi, _) =
adamc@30 348 case sgi of
adamc@30 349 SgiConAbs (x, k) => box [string "con",
adamc@30 350 space,
adamc@30 351 string x,
adamc@30 352 space,
adamc@30 353 string "::",
adamc@30 354 space,
adamc@30 355 p_kind k]
adamc@30 356 | SgiCon (x, NONE, c) => box [string "con",
adamc@30 357 space,
adamc@30 358 string x,
adamc@30 359 space,
adamc@30 360 string "=",
adamc@30 361 space,
adamc@30 362 p_con c]
adamc@30 363 | SgiCon (x, SOME k, c) => box [string "con",
adamc@30 364 space,
adamc@30 365 string x,
adamc@30 366 space,
adamc@30 367 string "::",
adamc@30 368 space,
adamc@30 369 p_kind k,
adamc@30 370 space,
adamc@30 371 string "=",
adamc@30 372 space,
adamc@30 373 p_con c]
adamc@156 374 | SgiDatatype x => p_datatype x
adamc@156 375 | SgiDatatypeImp (x, ms, x') =>
adamc@156 376 box [string "datatype",
adamc@156 377 space,
adamc@156 378 string x,
adamc@156 379 space,
adamc@156 380 string "=",
adamc@156 381 space,
adamc@156 382 string "datatype",
adamc@156 383 space,
adamc@156 384 p_list_sep (string ".") string (ms @ [x'])]
adamc@30 385 | SgiVal (x, c) => box [string "val",
adamc@30 386 space,
adamc@30 387 string x,
adamc@30 388 space,
adamc@30 389 string ":",
adamc@30 390 space,
adamc@30 391 p_con c]
adamc@30 392 | SgiStr (x, sgn) => box [string "structure",
adamc@30 393 space,
adamc@30 394 string x,
adamc@30 395 space,
adamc@30 396 string ":",
adamc@30 397 space,
adamc@30 398 p_sgn sgn]
adamc@59 399 | SgiSgn (x, sgn) => box [string "signature",
adamc@59 400 space,
adamc@59 401 string x,
adamc@59 402 space,
adamc@59 403 string "=",
adamc@59 404 space,
adamc@59 405 p_sgn sgn]
adamc@58 406 | SgiInclude sgn => box [string "include",
adamc@58 407 space,
adamc@58 408 p_sgn sgn]
adamc@88 409 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 410 space,
adamc@88 411 p_con c1,
adamc@88 412 space,
adamc@88 413 string "~",
adamc@88 414 space,
adamc@88 415 p_con c2]
adamc@211 416 | SgiClassAbs x => box [string "class",
adamc@211 417 space,
adamc@211 418 string x]
adamc@211 419 | SgiClass (x, c) => box [string "class",
adamc@211 420 space,
adamc@211 421 string x,
adamc@211 422 space,
adamc@211 423 string "=",
adamc@211 424 space,
adamc@211 425 p_con c]
adamc@30 426
adamc@30 427 and p_sgn (sgn, _) =
adamc@30 428 case sgn of
adamc@30 429 SgnConst sgis => box [string "sig",
adamc@30 430 newline,
adamc@30 431 p_list_sep newline p_sgn_item sgis,
adamc@30 432 newline,
adamc@30 433 string "end"]
adamc@30 434 | SgnVar x => string x
adamc@40 435 | SgnFun (x, sgn, sgn') => box [string "functor",
adamc@40 436 space,
adamc@40 437 string "(",
adamc@40 438 string x,
adamc@40 439 space,
adamc@40 440 string ":",
adamc@40 441 p_sgn sgn,
adamc@40 442 string ")",
adamc@40 443 space,
adamc@40 444 string ":",
adamc@40 445 space,
adamc@40 446 p_sgn sgn']
adamc@42 447 | SgnWhere (sgn, x, c) => box [p_sgn sgn,
adamc@42 448 space,
adamc@42 449 string "where",
adamc@42 450 space,
adamc@42 451 string "con",
adamc@42 452 space,
adamc@42 453 string x,
adamc@42 454 space,
adamc@42 455 string "=",
adamc@42 456 space,
adamc@42 457 p_con c]
adamc@59 458 | SgnProj (m, ms, x) => p_list_sep (string ".") string (m :: ms @ [x])
adamc@59 459
adamc@42 460
adamc@123 461
adamc@1 462 fun p_decl ((d, _) : decl) =
adamc@1 463 case d of
adamc@1 464 DCon (x, NONE, c) => box [string "con",
adamc@1 465 space,
adamc@1 466 string x,
adamc@1 467 space,
adamc@1 468 string "=",
adamc@1 469 space,
adamc@1 470 p_con c]
adamc@1 471 | DCon (x, SOME k, c) => box [string "con",
adamc@1 472 space,
adamc@1 473 string x,
adamc@1 474 space,
adamc@1 475 string "::",
adamc@1 476 space,
adamc@1 477 p_kind k,
adamc@1 478 space,
adamc@1 479 string "=",
adamc@1 480 space,
adamc@1 481 p_con c]
adamc@156 482 | DDatatype x => p_datatype x
adamc@156 483 | DDatatypeImp (x, ms, x') =>
adamc@156 484 box [string "datatype",
adamc@156 485 space,
adamc@156 486 string x,
adamc@156 487 space,
adamc@156 488 string "=",
adamc@156 489 space,
adamc@156 490 string "datatype",
adamc@156 491 space,
adamc@156 492 p_list_sep (string ".") string (ms @ [x'])]
adamc@123 493 | DVal vi => box [string "val",
adamc@123 494 space,
adamc@123 495 p_vali vi]
adamc@123 496 | DValRec vis => box [string "val",
adamc@123 497 space,
adamc@123 498 string "rec",
adamc@123 499 space,
adamc@123 500 p_list_sep (box [newline, string "and", space]) p_vali vis]
adamc@1 501
adamc@30 502 | DSgn (x, sgn) => box [string "signature",
adamc@30 503 space,
adamc@30 504 string x,
adamc@30 505 space,
adamc@30 506 string "=",
adamc@30 507 space,
adamc@30 508 p_sgn sgn]
adamc@30 509 | DStr (x, NONE, str) => box [string "structure",
adamc@30 510 space,
adamc@30 511 string x,
adamc@30 512 space,
adamc@30 513 string "=",
adamc@30 514 space,
adamc@30 515 p_str str]
adamc@30 516 | DStr (x, SOME sgn, str) => box [string "structure",
adamc@30 517 space,
adamc@30 518 string x,
adamc@30 519 space,
adamc@30 520 string ":",
adamc@30 521 space,
adamc@30 522 p_sgn sgn,
adamc@30 523 space,
adamc@30 524 string "=",
adamc@30 525 space,
adamc@30 526 p_str str]
adamc@48 527 | DFfiStr (x, sgn) => box [string "extern",
adamc@48 528 space,
adamc@48 529 string "structure",
adamc@48 530 space,
adamc@48 531 string x,
adamc@48 532 space,
adamc@48 533 string ":",
adamc@48 534 space,
adamc@48 535 p_sgn sgn]
adamc@61 536 | DOpen (m, ms) => box [string "open",
adamc@61 537 space,
adamc@61 538 p_list_sep (string ".") string (m :: ms)]
adamc@88 539 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 540 space,
adamc@88 541 p_con c1,
adamc@88 542 space,
adamc@88 543 string "~",
adamc@88 544 space,
adamc@88 545 p_con c2]
adamc@88 546 | DOpenConstraints (m, ms) => box [string "open",
adamc@88 547 space,
adamc@88 548 string "constraints",
adamc@88 549 space,
adamc@88 550 p_list_sep (string ".") string (m :: ms)]
adamc@30 551
adamc@109 552 | DExport str => box [string "export",
adamc@109 553 space,
adamc@109 554 p_str str]
adamc@203 555 | DTable (x, c) => box [string "table",
adamc@203 556 space,
adamc@203 557 string x,
adamc@203 558 space,
adamc@203 559 string ":",
adamc@203 560 space,
adamc@203 561 p_con c]
adamc@338 562 | DSequence x => box [string "sequence",
adamc@338 563 space,
adamc@338 564 string x]
adamc@211 565 | DClass (x, c) => box [string "class",
adamc@211 566 space,
adamc@211 567 string x,
adamc@211 568 space,
adamc@211 569 string "=",
adamc@211 570 space,
adamc@211 571 p_con c]
adamc@100 572
adamc@271 573 | DDatabase s => box [string "database",
adamc@271 574 space,
adamc@271 575 string s]
adamc@271 576
adamc@459 577 | DCookie (x, c) => box [string "cookie",
adamc@459 578 space,
adamc@459 579 string x,
adamc@459 580 space,
adamc@459 581 string ":",
adamc@459 582 space,
adamc@459 583 p_con c]
adamc@459 584
adamc@30 585 and p_str (str, _) =
adamc@30 586 case str of
adamc@30 587 StrConst ds => box [string "struct",
adamc@30 588 newline,
adamc@30 589 p_list_sep newline p_decl ds,
adamc@30 590 newline,
adamc@30 591 string "end"]
adamc@30 592 | StrVar x => string x
adamc@34 593 | StrProj (str, x) => box [p_str str,
adamc@34 594 string ".",
adamc@34 595 string x]
adamc@40 596 | StrFun (x, sgn, NONE, str) => box [string "functor",
adamc@40 597 space,
adamc@40 598 string "(",
adamc@40 599 string x,
adamc@40 600 space,
adamc@40 601 string ":",
adamc@40 602 p_sgn sgn,
adamc@40 603 string ")",
adamc@40 604 space,
adamc@40 605 string "=>",
adamc@40 606 space,
adamc@40 607 p_str str]
adamc@40 608 | StrFun (x, sgn, SOME sgn', str) => box [string "functor",
adamc@40 609 space,
adamc@40 610 string "(",
adamc@40 611 string x,
adamc@40 612 space,
adamc@40 613 string ":",
adamc@40 614 p_sgn sgn,
adamc@40 615 string ")",
adamc@40 616 space,
adamc@40 617 string ":",
adamc@40 618 space,
adamc@40 619 p_sgn sgn',
adamc@40 620 space,
adamc@40 621 string "=>",
adamc@40 622 space,
adamc@40 623 p_str str]
adamc@44 624 | StrApp (str1, str2) => box [p_str str1,
adamc@44 625 string "(",
adamc@44 626 p_str str2,
adamc@44 627 string ")"]
adamc@30 628
adamc@1 629 val p_file = p_list_sep newline p_decl
adamc@1 630
adamc@1 631 end