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annotate src/source_print.sml @ 1579:e1f4ac9ca34b

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Note a parsing restriction in the manual
author Adam Chlipala <adam@chlipala.net>
date Fri, 21 Oct 2011 08:36:10 -0400
parents b4480a56cab7
children 4a03aa3251cb
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@623 53 | KVar x => string x
adamc@623 54 | KFun (x, k) => box [string x,
adamc@623 55 space,
adamc@623 56 string "-->",
adamc@623 57 space,
adamc@623 58 p_kind k]
adamc@623 59
adamc@1 60 and p_kind k = p_kind' false k
adamc@1 61
adamc@1 62 fun p_explicitness e =
adamc@1 63 case e of
adamc@1 64 Explicit => string "::"
adamc@1 65 | Implicit => string ":::"
adamc@1 66
adamc@1 67 fun p_con' par (c, _) =
adamc@1 68 case c of
adamc@1 69 CAnnot (c, k) => box [string "(",
adamc@1 70 p_con c,
adamc@1 71 space,
adamc@1 72 string "::",
adamc@1 73 space,
adamc@1 74 p_kind k,
adamc@1 75 string ")"]
adamc@1 76
adamc@1 77 | TFun (t1, t2) => parenIf par (box [p_con' true t1,
adamc@1 78 space,
adamc@1 79 string "->",
adamc@1 80 space,
adamc@1 81 p_con t2])
adamc@1 82 | TCFun (e, x, k, c) => parenIf par (box [string x,
adamc@1 83 space,
adamc@1 84 p_explicitness e,
adamc@1 85 space,
adamc@1 86 p_kind k,
adamc@1 87 space,
adamc@1 88 string "->",
adamc@1 89 space,
adamc@1 90 p_con c])
adamc@1 91 | TRecord (CRecord xcs, _) => box [string "{",
adamc@1 92 p_list (fn (x, c) =>
adamc@20 93 box [p_name x,
adamc@1 94 space,
adamc@1 95 string ":",
adamc@1 96 space,
adamc@1 97 p_con c]) xcs,
adamc@1 98 string "}"]
adamc@1 99 | TRecord c => box [string "$",
adamc@1 100 p_con' true c]
adamc@628 101 | TDisjoint (c1, c2, c3) => parenIf par (box [string "[",
adamc@628 102 p_con c1,
adamc@628 103 space,
adamc@628 104 string "~",
adamc@628 105 space,
adamc@628 106 p_con c2,
adamc@628 107 string "]",
adamc@628 108 space,
adamc@628 109 string "=>",
adamc@628 110 space,
adamc@628 111 p_con c3])
adamc@1 112
adamc@34 113 | CVar (ss, s) => p_list_sep (string ".") string (ss @ [s])
adamc@1 114 | CApp (c1, c2) => parenIf par (box [p_con c1,
adamc@1 115 space,
adamc@1 116 p_con' true c2])
adamc@67 117 | CAbs (x, NONE, c) => parenIf par (box [string "fn",
adamc@67 118 space,
adamc@67 119 string x,
adamc@67 120 space,
adamc@67 121 string "=>",
adamc@67 122 space,
adamc@67 123 p_con c])
adamc@67 124 | CAbs (x, SOME k, c) => parenIf par (box [string "fn",
adamc@67 125 space,
adamc@67 126 string x,
adamc@67 127 space,
adamc@67 128 string "::",
adamc@67 129 space,
adamc@67 130 p_kind k,
adamc@67 131 space,
adamc@67 132 string "=>",
adamc@67 133 space,
adamc@67 134 p_con c])
adamc@628 135
adamc@1 136
adamc@1 137 | CName s => box [string "#", string s]
adamc@1 138
adamc@1 139 | CRecord xcs => box [string "[",
adamc@1 140 p_list (fn (x, c) =>
adamc@1 141 box [p_con x,
adamc@1 142 space,
adamc@1 143 string "=",
adamc@1 144 space,
adamc@1 145 p_con c]) xcs,
adamc@1 146 string "]"]
adamc@1 147 | CConcat (c1, c2) => parenIf par (box [p_con' true c1,
adamc@1 148 space,
adamc@1 149 string "++",
adamc@1 150 space,
adamc@1 151 p_con c2])
adamc@621 152 | CMap => string "map"
adamc@82 153
adamc@82 154 | CUnit => string "()"
adamc@82 155
adamc@18 156 | CWild k => box [string "(_",
adamc@18 157 space,
adamc@18 158 string "::",
adamc@18 159 space,
adamc@223 160 p_kind k,
adamc@223 161 string ")"]
adamc@207 162
adamc@207 163 | CTuple cs => box [string "(",
adamc@207 164 p_list p_con cs,
adamc@207 165 string ")"]
adamc@207 166 | CProj (c, n) => box [p_con c,
adamc@207 167 string ".",
adamc@207 168 string (Int.toString n)]
adamc@623 169
adamc@623 170 | CKAbs (x, c) => box [string x,
adamc@623 171 space,
adamc@623 172 string "==>",
adamc@623 173 space,
adamc@623 174 p_con c]
adamc@623 175 | TKFun (x, c) => box [string x,
adamc@623 176 space,
adamc@623 177 string "-->",
adamc@623 178 space,
adamc@623 179 p_con c]
adamc@1 180
adamc@1 181 and p_con c = p_con' false c
adamc@1 182
adamc@20 183 and p_name (all as (c, _)) =
adamc@20 184 case c of
adamc@20 185 CName s => string s
adamc@20 186 | _ => p_con all
adamc@20 187
adamc@170 188 fun p_pat' par (p, _) =
adamc@170 189 case p of
adamc@170 190 PWild => string "_"
adamc@170 191 | PVar s => string s
adamc@173 192 | PPrim p => Prim.p_t p
adamc@170 193 | PCon (ms, x, NONE) => p_list_sep (string ".") string (ms @ [x])
adamc@170 194 | PCon (ms, x, SOME p) => parenIf par (box [p_list_sep (string ".") string (ms @ [x]),
adamc@170 195 space,
adamc@170 196 p_pat' true p])
adamc@174 197 | PRecord (xps, flex) =>
adamc@174 198 let
adamc@175 199 val pps = map (fn (x, p) => box [string x, space, string "=", space, p_pat p]) xps
adamc@174 200 in
adamc@174 201 box [string "{",
adamc@174 202 p_list_sep (box [string ",", space]) (fn x => x)
adamc@174 203 (if flex then
adamc@175 204 pps @ [string "..."]
adamc@174 205 else
adamc@175 206 pps),
adamc@174 207 string "}"]
adamc@174 208 end
adamc@170 209
adamc@822 210 | PAnnot (p, t) => box [p_pat p,
adamc@822 211 space,
adamc@822 212 string ":",
adamc@822 213 space,
adamc@822 214 p_con t]
adamc@822 215
adamc@174 216 and p_pat x = p_pat' false x
adamc@170 217
adamc@8 218 fun p_exp' par (e, _) =
adamc@8 219 case e of
adamc@8 220 EAnnot (e, t) => box [string "(",
adamc@8 221 p_exp e,
adamc@8 222 space,
adamc@8 223 string ":",
adamc@8 224 space,
adamc@8 225 p_con t,
adamc@8 226 string ")"]
adamc@8 227
adamc@14 228 | EPrim p => Prim.p_t p
adamc@403 229 | EVar (ss, s, _) => p_list_sep (string ".") string (ss @ [s])
adamc@8 230 | EApp (e1, e2) => parenIf par (box [p_exp e1,
adamc@8 231 space,
adamc@8 232 p_exp' true e2])
adamc@8 233 | EAbs (x, NONE, e) => parenIf par (box [string "fn",
adamc@8 234 space,
adamc@8 235 string x,
adamc@8 236 space,
adamc@8 237 string "=>",
adamc@8 238 space,
adamc@8 239 p_exp e])
adamc@8 240 | EAbs (x, SOME t, e) => parenIf par (box [string "fn",
adamc@8 241 space,
adamc@8 242 string x,
adamc@8 243 space,
adamc@8 244 string ":",
adamc@8 245 space,
adamc@8 246 p_con t,
adamc@8 247 space,
adamc@8 248 string "=>",
adamc@8 249 space,
adamc@8 250 p_exp e])
adamc@8 251 | ECApp (e, c) => parenIf par (box [p_exp e,
adamc@8 252 space,
adamc@8 253 string "[",
adamc@8 254 p_con c,
adamc@8 255 string "]"])
adamc@8 256 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
adamc@8 257 space,
adamc@8 258 string x,
adamc@8 259 space,
adamc@8 260 p_explicitness exp,
adamc@8 261 space,
adamc@8 262 p_kind k,
adamc@8 263 space,
adamc@8 264 string "=>",
adamc@8 265 space,
adamc@8 266 p_exp e])
adamc@85 267 | EDisjoint (c1, c2, e) => parenIf par (box [p_con c1,
adamc@85 268 space,
adamc@85 269 string "~",
adamc@85 270 space,
adamc@85 271 p_con c2,
adamc@85 272 space,
adamc@85 273 string "=>",
adamc@85 274 space,
adamc@85 275 p_exp e])
adamc@629 276 | EDisjointApp e => parenIf par (box [p_exp e,
adamc@629 277 space,
adamc@629 278 string "!"])
adamc@8 279
adamc@12 280 | ERecord xes => box [string "{",
adamc@12 281 p_list (fn (x, e) =>
adamc@21 282 box [p_name x,
adamc@12 283 space,
adamc@12 284 string "=",
adamc@12 285 space,
adamc@12 286 p_exp e]) xes,
adamc@12 287 string "}"]
adamc@12 288 | EField (e, c) => box [p_exp' true e,
adamc@12 289 string ".",
adamc@12 290 p_con' true c]
adamc@445 291 | EConcat (e1, e2) => parenIf par (box [p_exp' true e1,
adamc@445 292 space,
adamc@445 293 string "++",
adamc@445 294 space,
adamc@445 295 p_exp' true e2])
adamc@149 296 | ECut (e, c) => parenIf par (box [p_exp' true e,
adamc@149 297 space,
adamc@149 298 string "--",
adamc@149 299 space,
adamc@149 300 p_con' true c])
adamc@493 301 | ECutMulti (e, c) => parenIf par (box [p_exp' true e,
adamc@493 302 space,
adamc@493 303 string "---",
adamc@493 304 space,
adamc@493 305 p_con' true c])
adamc@170 306 | ECase (e, pes) => parenIf par (box [string "case",
adamc@170 307 space,
adamc@171 308 p_exp e,
adamc@170 309 space,
adamc@170 310 string "of",
adamc@170 311 space,
adamc@170 312 p_list_sep (box [space, string "|", space])
adamc@170 313 (fn (p, e) => box [p_pat p,
adamc@170 314 space,
adamc@170 315 string "=>",
adamc@170 316 space,
adamc@170 317 p_exp e]) pes])
adamc@170 318
adamc@219 319 | EWild => string "_"
adamc@210 320
adamc@446 321 | ELet (ds, e) => box [string "let",
adamc@446 322 newline,
adamc@446 323 box [p_list_sep newline p_edecl ds],
adamc@446 324 newline,
adamc@446 325 string "in",
adamc@446 326 newline,
adamc@446 327 box [p_exp e],
adamc@446 328 newline,
adamc@446 329 string "end"]
adamc@446 330
adamc@623 331 | EKAbs (x, e) => box [string x,
adamc@623 332 space,
adamc@623 333 string "-->",
adamc@623 334 space,
adamc@623 335 p_exp e]
adamc@623 336
adamc@8 337 and p_exp e = p_exp' false e
adamc@8 338
adamc@446 339 and p_edecl (d, _) =
adamc@446 340 case d of
adamc@825 341 EDVal (p, e) => box [string "val",
adamc@825 342 space,
adamc@825 343 p_pat p,
adamc@825 344 space,
adamc@825 345 string "=",
adamc@825 346 space,
adamc@825 347 p_exp e]
adamc@446 348 | EDValRec vis => box [string "val",
adamc@446 349 space,
adamc@446 350 string "rec",
adamc@446 351 space,
adamc@446 352 p_list_sep (box [newline, string "and", space]) p_vali vis]
adamc@446 353
adamc@446 354 and p_vali (x, co, e) =
adamc@446 355 case co of
adamc@446 356 NONE => box [string x,
adamc@446 357 space,
adamc@446 358 string "=",
adamc@446 359 space,
adamc@446 360 p_exp e]
adamc@446 361 | SOME t => box [string x,
adamc@446 362 space,
adamc@446 363 string ":",
adamc@446 364 space,
adamc@446 365 p_con t,
adamc@446 366 space,
adamc@446 367 string "=",
adamc@446 368 space,
adamc@446 369 p_exp e]
adamc@446 370
adamc@446 371
adamc@191 372 fun p_datatype (x, xs, cons) =
adamc@805 373 box [string x,
adamc@191 374 p_list_sep (box []) (fn x => box [space, string x]) xs,
adamc@156 375 space,
adamc@156 376 string "=",
adamc@156 377 space,
adamc@156 378 p_list_sep (box [space, string "|", space])
adamc@156 379 (fn (x, NONE) => string x
adamc@156 380 | (x, SOME t) => box [string x, space, string "of", space, p_con t])
adamc@156 381 cons]
adamc@156 382
adamc@30 383 fun p_sgn_item (sgi, _) =
adamc@30 384 case sgi of
adamc@30 385 SgiConAbs (x, k) => box [string "con",
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_kind k]
adamc@30 392 | SgiCon (x, NONE, c) => box [string "con",
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_con c]
adamc@30 399 | SgiCon (x, SOME k, c) => box [string "con",
adamc@30 400 space,
adamc@30 401 string x,
adamc@30 402 space,
adamc@30 403 string "::",
adamc@30 404 space,
adamc@30 405 p_kind k,
adamc@30 406 space,
adamc@30 407 string "=",
adamc@30 408 space,
adamc@30 409 p_con c]
adamc@805 410 | SgiDatatype x => box [string "datatype",
adamc@805 411 space,
adamc@805 412 p_list_sep (box [space, string "and", space]) p_datatype x]
adamc@156 413 | SgiDatatypeImp (x, ms, x') =>
adamc@156 414 box [string "datatype",
adamc@156 415 space,
adamc@156 416 string x,
adamc@156 417 space,
adamc@156 418 string "=",
adamc@156 419 space,
adamc@156 420 string "datatype",
adamc@156 421 space,
adamc@156 422 p_list_sep (string ".") string (ms @ [x'])]
adamc@30 423 | SgiVal (x, c) => box [string "val",
adamc@30 424 space,
adamc@30 425 string x,
adamc@30 426 space,
adamc@30 427 string ":",
adamc@30 428 space,
adamc@30 429 p_con c]
adamc@707 430 | SgiTable (x, c, pe, ce) => box [string "table",
adamc@707 431 space,
adamc@707 432 string x,
adamc@707 433 space,
adamc@707 434 string ":",
adamc@707 435 space,
adamc@707 436 p_con c,
adamc@707 437 space,
adamc@707 438 string "keys",
adamc@707 439 space,
adamc@707 440 p_exp pe,
adamc@707 441 space,
adamc@707 442 string "constraints",
adamc@707 443 space,
adamc@707 444 p_exp ce]
adamc@30 445 | SgiStr (x, sgn) => box [string "structure",
adamc@30 446 space,
adamc@30 447 string x,
adamc@30 448 space,
adamc@30 449 string ":",
adamc@30 450 space,
adamc@30 451 p_sgn sgn]
adamc@59 452 | SgiSgn (x, sgn) => box [string "signature",
adamc@59 453 space,
adamc@59 454 string x,
adamc@59 455 space,
adamc@59 456 string "=",
adamc@59 457 space,
adamc@59 458 p_sgn sgn]
adamc@58 459 | SgiInclude sgn => box [string "include",
adamc@58 460 space,
adamc@58 461 p_sgn sgn]
adamc@88 462 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 463 space,
adamc@88 464 p_con c1,
adamc@88 465 space,
adamc@88 466 string "~",
adamc@88 467 space,
adamc@88 468 p_con c2]
adamc@563 469 | SgiClassAbs (x, k) => box [string "class",
adamc@563 470 space,
adamc@563 471 string x,
adamc@563 472 space,
adamc@563 473 string "::",
adamc@563 474 space,
adamc@563 475 p_kind k]
adamc@563 476 | SgiClass (x, k, c) => box [string "class",
adamc@563 477 space,
adamc@563 478 string x,
adamc@563 479 space,
adamc@563 480 string "::",
adamc@563 481 space,
adamc@563 482 p_kind k,
adamc@563 483 space,
adamc@563 484 string "=",
adamc@563 485 space,
adamc@563 486 p_con c]
adamc@563 487
adamc@30 488 and p_sgn (sgn, _) =
adamc@30 489 case sgn of
adamc@30 490 SgnConst sgis => box [string "sig",
adamc@30 491 newline,
adamc@30 492 p_list_sep newline p_sgn_item sgis,
adamc@30 493 newline,
adamc@30 494 string "end"]
adamc@30 495 | SgnVar x => string x
adamc@40 496 | SgnFun (x, sgn, sgn') => box [string "functor",
adamc@40 497 space,
adamc@40 498 string "(",
adamc@40 499 string x,
adamc@40 500 space,
adamc@40 501 string ":",
adamc@40 502 p_sgn sgn,
adamc@40 503 string ")",
adamc@40 504 space,
adamc@40 505 string ":",
adamc@40 506 space,
adamc@40 507 p_sgn sgn']
adamc@42 508 | SgnWhere (sgn, x, c) => box [p_sgn sgn,
adamc@42 509 space,
adamc@42 510 string "where",
adamc@42 511 space,
adamc@42 512 string "con",
adamc@42 513 space,
adamc@42 514 string x,
adamc@42 515 space,
adamc@42 516 string "=",
adamc@42 517 space,
adamc@42 518 p_con c]
adamc@59 519 | SgnProj (m, ms, x) => p_list_sep (string ".") string (m :: ms @ [x])
adamc@59 520
adamc@42 521
adamc@123 522
adamc@1 523 fun p_decl ((d, _) : decl) =
adamc@1 524 case d of
adamc@1 525 DCon (x, NONE, c) => box [string "con",
adamc@1 526 space,
adamc@1 527 string x,
adamc@1 528 space,
adamc@1 529 string "=",
adamc@1 530 space,
adamc@1 531 p_con c]
adamc@1 532 | DCon (x, SOME k, c) => box [string "con",
adamc@1 533 space,
adamc@1 534 string x,
adamc@1 535 space,
adamc@1 536 string "::",
adamc@1 537 space,
adamc@1 538 p_kind k,
adamc@1 539 space,
adamc@1 540 string "=",
adamc@1 541 space,
adamc@1 542 p_con c]
adamc@805 543 | DDatatype x => box [string "datatype",
adamc@805 544 space,
adamc@805 545 p_list_sep (box [space, string "and", space]) p_datatype x]
adamc@156 546 | DDatatypeImp (x, ms, x') =>
adamc@156 547 box [string "datatype",
adamc@156 548 space,
adamc@156 549 string x,
adamc@156 550 space,
adamc@156 551 string "=",
adamc@156 552 space,
adamc@156 553 string "datatype",
adamc@156 554 space,
adamc@156 555 p_list_sep (string ".") string (ms @ [x'])]
adamc@123 556 | DVal vi => box [string "val",
adamc@123 557 space,
adamc@123 558 p_vali vi]
adamc@123 559 | DValRec vis => box [string "val",
adamc@123 560 space,
adamc@123 561 string "rec",
adamc@123 562 space,
adamc@123 563 p_list_sep (box [newline, string "and", space]) p_vali vis]
adamc@1 564
adamc@30 565 | DSgn (x, sgn) => box [string "signature",
adamc@30 566 space,
adamc@30 567 string x,
adamc@30 568 space,
adamc@30 569 string "=",
adamc@30 570 space,
adamc@30 571 p_sgn sgn]
adamc@30 572 | DStr (x, NONE, str) => box [string "structure",
adamc@30 573 space,
adamc@30 574 string x,
adamc@30 575 space,
adamc@30 576 string "=",
adamc@30 577 space,
adamc@30 578 p_str str]
adamc@30 579 | DStr (x, SOME sgn, str) => box [string "structure",
adamc@30 580 space,
adamc@30 581 string x,
adamc@30 582 space,
adamc@30 583 string ":",
adamc@30 584 space,
adamc@30 585 p_sgn sgn,
adamc@30 586 space,
adamc@30 587 string "=",
adamc@30 588 space,
adamc@30 589 p_str str]
adamc@48 590 | DFfiStr (x, sgn) => box [string "extern",
adamc@48 591 space,
adamc@48 592 string "structure",
adamc@48 593 space,
adamc@48 594 string x,
adamc@48 595 space,
adamc@48 596 string ":",
adamc@48 597 space,
adamc@48 598 p_sgn sgn]
adamc@61 599 | DOpen (m, ms) => box [string "open",
adamc@61 600 space,
adamc@61 601 p_list_sep (string ".") string (m :: ms)]
adamc@88 602 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 603 space,
adamc@88 604 p_con c1,
adamc@88 605 space,
adamc@88 606 string "~",
adamc@88 607 space,
adamc@88 608 p_con c2]
adamc@88 609 | DOpenConstraints (m, ms) => box [string "open",
adamc@88 610 space,
adamc@88 611 string "constraints",
adamc@88 612 space,
adamc@88 613 p_list_sep (string ".") string (m :: ms)]
adamc@30 614
adamc@109 615 | DExport str => box [string "export",
adamc@109 616 space,
adamc@109 617 p_str str]
adamc@707 618 | DTable (x, c, pe, ce) => box [string "table",
adamc@707 619 space,
adamc@707 620 string x,
adamc@707 621 space,
adamc@707 622 string ":",
adamc@707 623 space,
adamc@707 624 p_con c,
adamc@707 625 space,
adamc@707 626 string "keys",
adamc@707 627 space,
adamc@707 628 p_exp pe,
adamc@707 629 space,
adamc@707 630 string "constraints",
adamc@707 631 space,
adamc@707 632 p_exp ce]
adamc@338 633 | DSequence x => box [string "sequence",
adamc@338 634 space,
adamc@338 635 string x]
adamc@754 636 | DView (x, e) => box [string "view",
adamc@754 637 space,
adamc@754 638 string x,
adamc@754 639 space,
adamc@754 640 string "=",
adamc@754 641 space,
adamc@754 642 p_exp e]
adamc@563 643 | DClass (x, k, c) => box [string "class",
adamc@563 644 space,
adamc@563 645 string x,
adamc@563 646 space,
adamc@563 647 string "=",
adamc@563 648 space,
adamc@563 649 p_con c]
adamc@100 650
adamc@271 651 | DDatabase s => box [string "database",
adamc@271 652 space,
adamc@271 653 string s]
adamc@271 654
adamc@459 655 | DCookie (x, c) => box [string "cookie",
adamc@459 656 space,
adamc@459 657 string x,
adamc@459 658 space,
adamc@459 659 string ":",
adamc@459 660 space,
adamc@459 661 p_con c]
adamc@720 662 | DStyle x => box [string "style",
adamc@720 663 space,
adamc@720 664 string x]
adamc@1075 665 | DTask (e1, e2) => box [string "task",
adamc@1073 666 space,
adamc@1075 667 p_exp e1,
adamc@1075 668 space,
adamc@1075 669 string "=",
adamc@1075 670 space,
adamc@1075 671 p_exp e2]
adamc@1199 672 | DPolicy e1 => box [string "policy",
adamc@1199 673 space,
adamc@1199 674 p_exp e1]
adam@1294 675 | DOnError _ => string "ONERROR"
adamc@459 676
adamc@30 677 and p_str (str, _) =
adamc@30 678 case str of
adamc@30 679 StrConst ds => box [string "struct",
adamc@30 680 newline,
adamc@30 681 p_list_sep newline p_decl ds,
adamc@30 682 newline,
adamc@30 683 string "end"]
adamc@30 684 | StrVar x => string x
adamc@34 685 | StrProj (str, x) => box [p_str str,
adamc@34 686 string ".",
adamc@34 687 string x]
adamc@40 688 | StrFun (x, sgn, NONE, str) => box [string "functor",
adamc@40 689 space,
adamc@40 690 string "(",
adamc@40 691 string x,
adamc@40 692 space,
adamc@40 693 string ":",
adamc@40 694 p_sgn sgn,
adamc@40 695 string ")",
adamc@40 696 space,
adamc@40 697 string "=>",
adamc@40 698 space,
adamc@40 699 p_str str]
adamc@40 700 | StrFun (x, sgn, SOME sgn', str) => box [string "functor",
adamc@40 701 space,
adamc@40 702 string "(",
adamc@40 703 string x,
adamc@40 704 space,
adamc@40 705 string ":",
adamc@40 706 p_sgn sgn,
adamc@40 707 string ")",
adamc@40 708 space,
adamc@40 709 string ":",
adamc@40 710 space,
adamc@40 711 p_sgn sgn',
adamc@40 712 space,
adamc@40 713 string "=>",
adamc@40 714 space,
adamc@40 715 p_str str]
adamc@44 716 | StrApp (str1, str2) => box [p_str str1,
adamc@44 717 string "(",
adamc@44 718 p_str str2,
adamc@44 719 string ")"]
adamc@30 720
adamc@1 721 val p_file = p_list_sep newline p_decl
adamc@1 722
adamc@1 723 end