Mercurial > urweb

annotate src/elab_print.sml @ 411:06fcddcd20d3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Sum demo, minus inference of {Unit}s
author Adam Chlipala <adamc@hcoop.net>
date Tue, 21 Oct 2008 19:24:39 -0400
parents b85e6ba56618
children dfc8c991abd0
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@244 28 (* Pretty-printing elaborated Ur/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@207 52 | KTuple ks => box [string "(",
adamc@207 53 p_list_sep (box [space, string "*", space]) p_kind ks,
adamc@207 54 string ")"]
adamc@3 55
adamc@3 56 | KError => string "<ERROR>"
adamc@76 57 | KUnif (_, _, ref (SOME k)) => p_kind' par k
adamc@76 58 | KUnif (_, s, _) => string ("<UNIF:" ^ s ^ ">")
adamc@3 59
adamc@3 60 and p_kind k = p_kind' false k
adamc@3 61
adamc@3 62 fun p_explicitness e =
adamc@3 63 case e of
adamc@3 64 Explicit => string "::"
adamc@3 65 | Implicit => string ":::"
adamc@3 66
adamc@3 67 fun p_con' par env (c, _) =
adamc@3 68 case c of
adamc@3 69 TFun (t1, t2) => parenIf par (box [p_con' true env t1,
adamc@3 70 space,
adamc@3 71 string "->",
adamc@3 72 space,
adamc@3 73 p_con env t2])
adamc@3 74 | TCFun (e, x, k, c) => parenIf par (box [string x,
adamc@3 75 space,
adamc@3 76 p_explicitness e,
adamc@3 77 space,
adamc@3 78 p_kind k,
adamc@3 79 space,
adamc@3 80 string "->",
adamc@3 81 space,
adamc@3 82 p_con (E.pushCRel env x k) c])
adamc@345 83 | CDisjoint (_, c1, c2, c3) => parenIf par (box [p_con env c1,
adamc@334 84 space,
adamc@334 85 string "~",
adamc@334 86 space,
adamc@334 87 p_con env c2,
adamc@334 88 space,
adamc@345 89 string "=>",
adamc@334 90 space,
adamc@334 91 p_con env c3])
adamc@3 92 | TRecord (CRecord (_, xcs), _) => box [string "{",
adamc@3 93 p_list (fn (x, c) =>
adamc@20 94 box [p_name env x,
adamc@3 95 space,
adamc@3 96 string ":",
adamc@3 97 space,
adamc@3 98 p_con env c]) xcs,
adamc@3 99 string "}"]
adamc@3 100 | TRecord c => box [string "$",
adamc@3 101 p_con' true env c]
adamc@3 102
adamc@11 103 | CRel n =>
adamc@71 104 ((if !debug then
adamc@71 105 string (#1 (E.lookupCRel env n) ^ "_" ^ Int.toString n)
adamc@71 106 else
adamc@71 107 string (#1 (E.lookupCRel env n)))
adamc@71 108 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 109 | CNamed n =>
adamc@34 110 ((if !debug then
adamc@34 111 string (#1 (E.lookupCNamed env n) ^ "__" ^ Int.toString n)
adamc@34 112 else
adamc@34 113 string (#1 (E.lookupCNamed env n)))
adamc@34 114 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 115 | CModProj (m1, ms, x) =>
adamc@34 116 let
adamc@88 117 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 118 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 119
adamc@34 120 val m1s = if !debug then
adamc@34 121 m1x ^ "__" ^ Int.toString m1
adamc@34 122 else
adamc@34 123 m1x
adamc@34 124 in
adamc@34 125 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@88 126 end
adamc@3 127
adamc@3 128 | CApp (c1, c2) => parenIf par (box [p_con env c1,
adamc@3 129 space,
adamc@3 130 p_con' true env c2])
adamc@147 131 | CAbs (x, k, c) => parenIf true (box [string "fn",
adamc@147 132 space,
adamc@147 133 string x,
adamc@147 134 space,
adamc@147 135 string "::",
adamc@147 136 space,
adamc@147 137 p_kind k,
adamc@147 138 space,
adamc@147 139 string "=>",
adamc@147 140 space,
adamc@147 141 p_con (E.pushCRel env x k) c])
adamc@3 142
adamc@3 143 | CName s => box [string "#", string s]
adamc@3 144
adamc@12 145 | CRecord (k, xcs) =>
adamc@12 146 if !debug then
adamc@12 147 parenIf par (box [string "[",
adamc@12 148 p_list (fn (x, c) =>
adamc@12 149 box [p_con env x,
adamc@12 150 space,
adamc@12 151 string "=",
adamc@12 152 space,
adamc@12 153 p_con env c]) xcs,
adamc@12 154 string "]::",
adamc@12 155 p_kind k])
adamc@12 156 else
adamc@12 157 parenIf par (box [string "[",
adamc@12 158 p_list (fn (x, c) =>
adamc@12 159 box [p_con env x,
adamc@12 160 space,
adamc@12 161 string "=",
adamc@12 162 space,
adamc@12 163 p_con env c]) xcs,
adamc@12 164 string "]"])
adamc@3 165 | CConcat (c1, c2) => parenIf par (box [p_con' true env c1,
adamc@3 166 space,
adamc@3 167 string "++",
adamc@3 168 space,
adamc@3 169 p_con env c2])
adamc@67 170 | CFold _ => string "fold"
adamc@3 171
adamc@82 172 | CUnit => string "()"
adamc@82 173
adamc@207 174 | CTuple cs => box [string "(",
adamc@207 175 p_list (p_con env) cs,
adamc@207 176 string ")"]
adamc@207 177 | CProj (c, n) => box [p_con env c,
adamc@207 178 string ".",
adamc@207 179 string (Int.toString n)]
adamc@207 180
adamc@3 181 | CError => string "<ERROR>"
adamc@76 182 | CUnif (_, _, _, ref (SOME c)) => p_con' par env c
adamc@76 183 | CUnif (_, k, s, _) => box [string ("<UNIF:" ^ s ^ "::"),
adamc@76 184 p_kind k,
adamc@76 185 string ">"]
adamc@3 186
adamc@3 187 and p_con env = p_con' false env
adamc@3 188
adamc@20 189 and p_name env (all as (c, _)) =
adamc@20 190 case c of
adamc@20 191 CName s => string s
adamc@20 192 | _ => p_con env all
adamc@20 193
adamc@171 194 fun p_patCon env pc =
adamc@171 195 case pc of
adamc@171 196 PConVar n =>
adamc@171 197 ((if !debug then
adamc@171 198 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@171 199 else
adamc@171 200 string (#1 (E.lookupENamed env n)))
adamc@171 201 handle E.UnboundRel _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@171 202 | PConProj (m1, ms, x) =>
adamc@171 203 let
adamc@171 204 val m1x = #1 (E.lookupStrNamed env m1)
adamc@171 205 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@171 206
adamc@171 207 val m1s = if !debug then
adamc@171 208 m1x ^ "__" ^ Int.toString m1
adamc@171 209 else
adamc@171 210 m1x
adamc@171 211 in
adamc@171 212 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@171 213 end
adamc@171 214
adamc@171 215 fun p_pat' par env (p, _) =
adamc@171 216 case p of
adamc@171 217 PWild => string "_"
adamc@182 218 | PVar (s, _) => string s
adamc@173 219 | PPrim p => Prim.p_t p
adamc@191 220 | PCon (_, pc, _, NONE) => p_patCon env pc
adamc@191 221 | PCon (_, pc, _, SOME p) => parenIf par (box [p_patCon env pc,
adamc@188 222 space,
adamc@188 223 p_pat' true env p])
adamc@176 224 | PRecord xps =>
adamc@176 225 box [string "{",
adamc@182 226 p_list_sep (box [string ",", space]) (fn (x, p, _) =>
adamc@176 227 box [string x,
adamc@176 228 space,
adamc@176 229 string "=",
adamc@176 230 space,
adamc@176 231 p_pat env p]) xps,
adamc@176 232 string "}"]
adamc@171 233
adamc@175 234 and p_pat x = p_pat' false x
adamc@171 235
adamc@9 236 fun p_exp' par env (e, _) =
adamc@9 237 case e of
adamc@14 238 EPrim p => Prim.p_t p
adamc@14 239 | ERel n =>
adamc@88 240 ((if !debug then
adamc@88 241 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
adamc@88 242 else
adamc@88 243 string (#1 (E.lookupERel env n)))
adamc@88 244 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 245 | ENamed n =>
adamc@88 246 ((if !debug then
adamc@88 247 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@88 248 else
adamc@88 249 string (#1 (E.lookupENamed env n)))
adamc@88 250 handle E.UnboundRel _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 251 | EModProj (m1, ms, x) =>
adamc@34 252 let
adamc@88 253 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 254 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 255
adamc@34 256 val m1s = if !debug then
adamc@34 257 m1x ^ "__" ^ Int.toString m1
adamc@34 258 else
adamc@34 259 m1x
adamc@34 260 in
adamc@34 261 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@34 262 end
adamc@34 263
adamc@9 264 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
adamc@9 265 space,
adamc@9 266 p_exp' true env e2])
adamc@26 267 | EAbs (x, t, _, e) => parenIf par (box [string "fn",
adamc@26 268 space,
adamc@26 269 string x,
adamc@26 270 space,
adamc@26 271 string ":",
adamc@26 272 space,
adamc@26 273 p_con env t,
adamc@26 274 space,
adamc@26 275 string "=>",
adamc@26 276 space,
adamc@26 277 p_exp (E.pushERel env x t) e])
adamc@9 278 | ECApp (e, c) => parenIf par (box [p_exp env e,
adamc@9 279 space,
adamc@9 280 string "[",
adamc@9 281 p_con env c,
adamc@9 282 string "]"])
adamc@9 283 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
adamc@9 284 space,
adamc@9 285 string x,
adamc@9 286 space,
adamc@9 287 p_explicitness exp,
adamc@9 288 space,
adamc@9 289 p_kind k,
adamc@9 290 space,
adamc@9 291 string "=>",
adamc@9 292 space,
adamc@9 293 p_exp (E.pushCRel env x k) e])
adamc@9 294
adamc@12 295 | ERecord xes => box [string "{",
adamc@29 296 p_list (fn (x, e, _) =>
adamc@21 297 box [p_name env x,
adamc@12 298 space,
adamc@12 299 string "=",
adamc@12 300 space,
adamc@12 301 p_exp env e]) xes,
adamc@12 302 string "}"]
adamc@12 303 | EField (e, c, {field, rest}) =>
adamc@12 304 if !debug then
adamc@12 305 box [p_exp' true env e,
adamc@12 306 string ".",
adamc@12 307 p_con' true env c,
adamc@12 308 space,
adamc@12 309 string "[",
adamc@12 310 p_con env field,
adamc@12 311 space,
adamc@12 312 string " in ",
adamc@12 313 space,
adamc@12 314 p_con env rest,
adamc@12 315 string "]"]
adamc@12 316 else
adamc@12 317 box [p_exp' true env e,
adamc@12 318 string ".",
adamc@12 319 p_con' true env c]
adamc@339 320 | EWith (e1, c, e2, {field, rest}) =>
adamc@339 321 parenIf par (if !debug then
adamc@339 322 box [p_exp env e1,
adamc@339 323 space,
adamc@339 324 string "with",
adamc@339 325 space,
adamc@339 326 p_con' true env c,
adamc@339 327 space,
adamc@339 328 string "=",
adamc@339 329 p_exp' true env e2,
adamc@339 330 space,
adamc@339 331 string "[",
adamc@339 332 p_con env field,
adamc@339 333 space,
adamc@339 334 string " in ",
adamc@339 335 space,
adamc@339 336 p_con env rest,
adamc@339 337 string "]"]
adamc@339 338 else
adamc@339 339 box [p_exp env e1,
adamc@339 340 space,
adamc@339 341 string "with",
adamc@339 342 space,
adamc@339 343 p_con' true env c,
adamc@339 344 space,
adamc@339 345 string "=",
adamc@339 346 space,
adamc@339 347 p_exp' true env e2])
adamc@149 348 | ECut (e, c, {field, rest}) =>
adamc@149 349 parenIf par (if !debug then
adamc@149 350 box [p_exp' true env e,
adamc@149 351 space,
adamc@149 352 string "--",
adamc@149 353 space,
adamc@149 354 p_con' true env c,
adamc@149 355 space,
adamc@149 356 string "[",
adamc@149 357 p_con env field,
adamc@149 358 space,
adamc@149 359 string " in ",
adamc@149 360 space,
adamc@149 361 p_con env rest,
adamc@149 362 string "]"]
adamc@149 363 else
adamc@149 364 box [p_exp' true env e,
adamc@149 365 space,
adamc@149 366 string "--",
adamc@149 367 space,
adamc@149 368 p_con' true env c])
adamc@72 369 | EFold _ => string "fold"
adamc@71 370
adamc@171 371 | ECase (e, pes, _) => parenIf par (box [string "case",
adamc@171 372 space,
adamc@171 373 p_exp env e,
adamc@171 374 space,
adamc@171 375 string "of",
adamc@171 376 space,
adamc@171 377 p_list_sep (box [space, string "|", space])
adamc@171 378 (fn (p, e) => box [p_pat env p,
adamc@171 379 space,
adamc@171 380 string "=>",
adamc@171 381 space,
adamc@243 382 p_exp (E.patBinds env p) e]) pes])
adamc@171 383
adamc@9 384 | EError => string "<ERROR>"
adamc@228 385 | EUnif (ref (SOME e)) => p_exp env e
adamc@228 386 | EUnif _ => string "_"
adamc@9 387
adamc@9 388 and p_exp env = p_exp' false env
adamc@9 389
adamc@31 390 fun p_named x n =
adamc@31 391 if !debug then
adamc@31 392 box [string x,
adamc@31 393 string "__",
adamc@31 394 string (Int.toString n)]
adamc@31 395 else
adamc@31 396 string x
adamc@31 397
adamc@191 398 fun p_datatype env (x, n, xs, cons) =
adamc@156 399 let
adamc@191 400 val k = (KType, ErrorMsg.dummySpan)
adamc@191 401 val env = E.pushCNamedAs env x n k NONE
adamc@191 402 val env = foldl (fn (x, env) => E.pushCRel env x k) env xs
adamc@156 403 in
adamc@156 404 box [string "datatype",
adamc@156 405 space,
adamc@156 406 string x,
adamc@191 407 p_list_sep (box []) (fn x => box [space, string x]) xs,
adamc@156 408 space,
adamc@156 409 string "=",
adamc@156 410 space,
adamc@156 411 p_list_sep (box [space, string "|", space])
adamc@156 412 (fn (x, _, NONE) => string x
adamc@156 413 | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t])
adamc@156 414 cons]
adamc@156 415 end
adamc@156 416
adamc@31 417 fun p_sgn_item env (sgi, _) =
adamc@31 418 case sgi of
adamc@31 419 SgiConAbs (x, n, k) => box [string "con",
adamc@31 420 space,
adamc@31 421 p_named x n,
adamc@31 422 space,
adamc@31 423 string "::",
adamc@31 424 space,
adamc@31 425 p_kind k]
adamc@31 426 | SgiCon (x, n, k, c) => box [string "con",
adamc@31 427 space,
adamc@31 428 p_named x n,
adamc@31 429 space,
adamc@31 430 string "::",
adamc@31 431 space,
adamc@31 432 p_kind k,
adamc@31 433 space,
adamc@31 434 string "=",
adamc@31 435 space,
adamc@31 436 p_con env c]
adamc@156 437 | SgiDatatype x => p_datatype env x
adamc@191 438 | SgiDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 439 let
adamc@156 440 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 441 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 442 in
adamc@156 443 box [string "datatype",
adamc@156 444 space,
adamc@156 445 string x,
adamc@156 446 space,
adamc@156 447 string "=",
adamc@156 448 space,
adamc@156 449 string "datatype",
adamc@156 450 space,
adamc@156 451 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 452 end
adamc@31 453 | SgiVal (x, n, c) => box [string "val",
adamc@31 454 space,
adamc@31 455 p_named x n,
adamc@31 456 space,
adamc@31 457 string ":",
adamc@31 458 space,
adamc@31 459 p_con env c]
adamc@31 460 | SgiStr (x, n, sgn) => box [string "structure",
adamc@31 461 space,
adamc@31 462 p_named x n,
adamc@31 463 space,
adamc@31 464 string ":",
adamc@31 465 space,
adamc@31 466 p_sgn env sgn]
adamc@59 467 | SgiSgn (x, n, sgn) => box [string "signature",
adamc@59 468 space,
adamc@59 469 p_named x n,
adamc@59 470 space,
adamc@59 471 string "=",
adamc@59 472 space,
adamc@59 473 p_sgn env sgn]
adamc@88 474 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 475 space,
adamc@88 476 p_con env c1,
adamc@88 477 space,
adamc@88 478 string "~",
adamc@88 479 space,
adamc@88 480 p_con env c2]
adamc@205 481 | SgiTable (_, x, n, c) => box [string "table",
adamc@205 482 space,
adamc@205 483 p_named x n,
adamc@205 484 space,
adamc@205 485 string ":",
adamc@205 486 space,
adamc@205 487 p_con env c]
adamc@338 488 | SgiSequence (_, x, n) => box [string "sequence",
adamc@338 489 space,
adamc@338 490 p_named x n]
adamc@211 491 | SgiClassAbs (x, n) => box [string "class",
adamc@211 492 space,
adamc@211 493 p_named x n]
adamc@211 494 | SgiClass (x, n, c) => box [string "class",
adamc@211 495 space,
adamc@211 496 p_named x n,
adamc@211 497 space,
adamc@211 498 string "=",
adamc@211 499 space,
adamc@211 500 p_con env c]
adamc@31 501
adamc@31 502 and p_sgn env (sgn, _) =
adamc@31 503 case sgn of
adamc@31 504 SgnConst sgis => box [string "sig",
adamc@31 505 newline,
adamc@32 506 let
adamc@32 507 val (psgis, _) = ListUtil.foldlMap (fn (sgi, env) =>
adamc@32 508 (p_sgn_item env sgi,
adamc@32 509 E.sgiBinds env sgi))
adamc@32 510 env sgis
adamc@32 511 in
adamc@32 512 p_list_sep newline (fn x => x) psgis
adamc@32 513 end,
adamc@31 514 newline,
adamc@31 515 string "end"]
adamc@88 516 | SgnVar n => ((string (#1 (E.lookupSgnNamed env n)))
adamc@88 517 handle E.UnboundNamed _ => string ("UNBOUND_SGN_" ^ Int.toString n))
adamc@41 518 | SgnFun (x, n, sgn, sgn') => box [string "functor",
adamc@41 519 space,
adamc@41 520 string "(",
adamc@41 521 string x,
adamc@41 522 space,
adamc@41 523 string ":",
adamc@41 524 space,
adamc@41 525 p_sgn env sgn,
adamc@41 526 string ")",
adamc@41 527 space,
adamc@41 528 string ":",
adamc@41 529 space,
adamc@41 530 p_sgn (E.pushStrNamedAs env x n sgn) sgn']
adamc@42 531 | SgnWhere (sgn, x, c) => box [p_sgn env sgn,
adamc@42 532 space,
adamc@42 533 string "where",
adamc@42 534 space,
adamc@42 535 string "con",
adamc@42 536 space,
adamc@42 537 string x,
adamc@42 538 space,
adamc@42 539 string "=",
adamc@42 540 space,
adamc@42 541 p_con env c]
adamc@59 542 | SgnProj (m1, ms, x) =>
adamc@59 543 let
adamc@88 544 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 545 handle E.UnboundNamed _ => "UNBOUND_SGN_" ^ Int.toString m1
adamc@88 546
adamc@59 547 val m1s = if !debug then
adamc@59 548 m1x ^ "__" ^ Int.toString m1
adamc@59 549 else
adamc@59 550 m1x
adamc@88 551 in
adamc@59 552 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@59 553 end
adamc@31 554 | SgnError => string "<ERROR>"
adamc@31 555
adamc@123 556 fun p_vali env (x, n, t, e) = box [p_named x n,
adamc@123 557 space,
adamc@123 558 string ":",
adamc@123 559 space,
adamc@123 560 p_con env t,
adamc@123 561 space,
adamc@123 562 string "=",
adamc@123 563 space,
adamc@123 564 p_exp env e]
adamc@123 565
adamc@123 566 fun p_decl env (dAll as (d, _) : decl) =
adamc@3 567 case d of
adamc@31 568 DCon (x, n, k, c) => box [string "con",
adamc@31 569 space,
adamc@31 570 p_named x n,
adamc@31 571 space,
adamc@31 572 string "::",
adamc@31 573 space,
adamc@31 574 p_kind k,
adamc@31 575 space,
adamc@31 576 string "=",
adamc@31 577 space,
adamc@31 578 p_con env c]
adamc@156 579 | DDatatype x => p_datatype env x
adamc@191 580 | DDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 581 let
adamc@156 582 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 583 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 584 in
adamc@156 585 box [string "datatype",
adamc@156 586 space,
adamc@156 587 string x,
adamc@156 588 space,
adamc@156 589 string "=",
adamc@156 590 space,
adamc@156 591 string "datatype",
adamc@156 592 space,
adamc@156 593 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 594 end
adamc@123 595 | DVal vi => box [string "val",
adamc@123 596 space,
adamc@123 597 p_vali env vi]
adamc@123 598 | DValRec vis =>
adamc@123 599 let
adamc@123 600 val env = E.declBinds env dAll
adamc@123 601 in
adamc@123 602 box [string "val",
adamc@123 603 space,
adamc@123 604 string "rec",
adamc@123 605 space,
adamc@123 606 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
adamc@123 607 end
adamc@31 608
adamc@31 609 | DSgn (x, n, sgn) => box [string "signature",
adamc@31 610 space,
adamc@31 611 p_named x n,
adamc@31 612 space,
adamc@31 613 string "=",
adamc@31 614 space,
adamc@31 615 p_sgn env sgn]
adamc@31 616 | DStr (x, n, sgn, str) => box [string "structure",
adamc@31 617 space,
adamc@31 618 p_named x n,
adamc@31 619 space,
adamc@31 620 string ":",
adamc@31 621 space,
adamc@31 622 p_sgn env sgn,
adamc@31 623 space,
adamc@31 624 string "=",
adamc@31 625 space,
adamc@31 626 p_str env str]
adamc@48 627 | DFfiStr (x, n, sgn) => box [string "extern",
adamc@48 628 space,
adamc@48 629 string "structure",
adamc@48 630 space,
adamc@48 631 p_named x n,
adamc@48 632 space,
adamc@48 633 string ":",
adamc@48 634 space,
adamc@48 635 p_sgn env sgn]
adamc@88 636 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 637 space,
adamc@88 638 p_con env c1,
adamc@88 639 space,
adamc@88 640 string "~",
adamc@88 641 space,
adamc@88 642 p_con env c2]
adamc@109 643 | DExport (_, sgn, str) => box [string "export",
adamc@110 644 space,
adamc@109 645 p_str env str,
adamc@109 646 space,
adamc@109 647 string ":",
adamc@109 648 space,
adamc@109 649 p_sgn env sgn]
adamc@205 650 | DTable (_, x, n, c) => box [string "table",
adamc@205 651 space,
adamc@205 652 p_named x n,
adamc@205 653 space,
adamc@205 654 string ":",
adamc@205 655 space,
adamc@205 656 p_con env c]
adamc@338 657 | DSequence (_, x, n) => box [string "sequence",
adamc@338 658 space,
adamc@338 659 p_named x n]
adamc@271 660 | DClass (x, n, c) => box [string "class",
adamc@271 661 space,
adamc@271 662 p_named x n,
adamc@271 663 space,
adamc@271 664 string "=",
adamc@271 665 space,
adamc@271 666 p_con env c]
adamc@271 667 | DDatabase s => box [string "database",
adamc@271 668 space,
adamc@271 669 string s]
adamc@31 670
adamc@31 671 and p_str env (str, _) =
adamc@31 672 case str of
adamc@31 673 StrConst ds => box [string "struct",
adamc@31 674 newline,
adamc@32 675 p_file env ds,
adamc@31 676 newline,
adamc@31 677 string "end"]
adamc@88 678 | StrVar n => ((string (#1 (E.lookupStrNamed env n)))
adamc@88 679 handle E.UnboundNamed _ => string ("UNBOUND_STR_" ^ Int.toString n))
adamc@34 680 | StrProj (str, s) => box [p_str env str,
adamc@34 681 string ".",
adamc@34 682 string s]
adamc@41 683 | StrFun (x, n, sgn, sgn', str) =>
adamc@41 684 let
adamc@41 685 val env' = E.pushStrNamedAs env x n sgn
adamc@41 686 in
adamc@41 687 box [string "functor",
adamc@41 688 space,
adamc@41 689 string "(",
adamc@41 690 string x,
adamc@41 691 space,
adamc@41 692 string ":",
adamc@41 693 space,
adamc@41 694 p_sgn env sgn,
adamc@41 695 string ")",
adamc@41 696 space,
adamc@41 697 string ":",
adamc@41 698 space,
adamc@41 699 p_sgn env' sgn',
adamc@41 700 space,
adamc@41 701 string "=>",
adamc@41 702 space,
adamc@41 703 p_str env' str]
adamc@41 704 end
adamc@44 705 | StrApp (str1, str2) => box [p_str env str1,
adamc@44 706 string "(",
adamc@44 707 p_str env str2,
adamc@44 708 string ")"]
adamc@31 709 | StrError => string "<ERROR>"
adamc@3 710
adamc@32 711 and p_file env file =
adamc@3 712 let
adamc@31 713 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 714 (p_decl env d,
adamc@31 715 E.declBinds env d))
adamc@31 716 env file
adamc@3 717 in
adamc@3 718 p_list_sep newline (fn x => x) pds
adamc@3 719 end
adamc@3 720
adamc@3 721 end