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annotate src/elab_print.sml @ 683:9a2c18dab11d

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Expunging non-nullable rows
author Adam Chlipala <adamc@hcoop.net>
date Sun, 29 Mar 2009 13:30:01 -0400
parents 12b73f3c108e
children 70cbdcf5989b
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@623 41 fun p_kind' par env (k, _) =
adamc@3 42 case k of
adamc@3 43 KType => string "Type"
adamc@623 44 | KArrow (k1, k2) => parenIf par (box [p_kind' true env k1,
adamc@3 45 space,
adamc@3 46 string "->",
adamc@3 47 space,
adamc@623 48 p_kind env k2])
adamc@3 49 | KName => string "Name"
adamc@623 50 | KRecord k => box [string "{", p_kind env k, string "}"]
adamc@82 51 | KUnit => string "Unit"
adamc@207 52 | KTuple ks => box [string "(",
adamc@623 53 p_list_sep (box [space, string "*", space]) (p_kind env) ks,
adamc@207 54 string ")"]
adamc@3 55
adamc@3 56 | KError => string "<ERROR>"
adamc@623 57 | KUnif (_, _, ref (SOME k)) => p_kind' par env k
adamc@76 58 | KUnif (_, s, _) => string ("<UNIF:" ^ s ^ ">")
adamc@3 59
adamc@623 60 | KRel n => ((if !debug then
adamc@623 61 string (E.lookupKRel env n ^ "_" ^ Int.toString n)
adamc@623 62 else
adamc@623 63 string (E.lookupKRel env n))
adamc@623 64 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@623 65 | KFun (x, k) => box [string x,
adamc@623 66 space,
adamc@623 67 string "-->",
adamc@623 68 space,
adamc@623 69 p_kind (E.pushKRel env x) k]
adamc@623 70
adamc@624 71 and p_kind env = p_kind' false env
adamc@3 72
adamc@3 73 fun p_explicitness e =
adamc@3 74 case e of
adamc@3 75 Explicit => string "::"
adamc@3 76 | Implicit => string ":::"
adamc@3 77
adamc@3 78 fun p_con' par env (c, _) =
adamc@3 79 case c of
adamc@623 80 TFun (t1, t2) => parenIf true (box [p_con' true env t1,
adamc@3 81 space,
adamc@3 82 string "->",
adamc@3 83 space,
adamc@3 84 p_con env t2])
adamc@3 85 | TCFun (e, x, k, c) => parenIf par (box [string x,
adamc@3 86 space,
adamc@3 87 p_explicitness e,
adamc@3 88 space,
adamc@623 89 p_kind env k,
adamc@3 90 space,
adamc@3 91 string "->",
adamc@3 92 space,
adamc@3 93 p_con (E.pushCRel env x k) c])
adamc@628 94 | TDisjoint (c1, c2, c3) => parenIf par (box [string "[",
adamc@628 95 p_con env c1,
adamc@628 96 space,
adamc@628 97 string "~",
adamc@628 98 space,
adamc@628 99 p_con env c2,
adamc@628 100 string "]",
adamc@628 101 space,
adamc@628 102 string "=>",
adamc@628 103 space,
adamc@628 104 p_con env c3])
adamc@3 105 | TRecord (CRecord (_, xcs), _) => box [string "{",
adamc@3 106 p_list (fn (x, c) =>
adamc@20 107 box [p_name env x,
adamc@3 108 space,
adamc@3 109 string ":",
adamc@3 110 space,
adamc@3 111 p_con env c]) xcs,
adamc@3 112 string "}"]
adamc@3 113 | TRecord c => box [string "$",
adamc@3 114 p_con' true env c]
adamc@3 115
adamc@11 116 | CRel n =>
adamc@71 117 ((if !debug then
adamc@71 118 string (#1 (E.lookupCRel env n) ^ "_" ^ Int.toString n)
adamc@71 119 else
adamc@71 120 string (#1 (E.lookupCRel env n)))
adamc@71 121 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 122 | CNamed n =>
adamc@34 123 ((if !debug then
adamc@34 124 string (#1 (E.lookupCNamed env n) ^ "__" ^ Int.toString n)
adamc@34 125 else
adamc@34 126 string (#1 (E.lookupCNamed env n)))
adamc@34 127 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 128 | CModProj (m1, ms, x) =>
adamc@34 129 let
adamc@88 130 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 131 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 132
adamc@34 133 val m1s = if !debug then
adamc@34 134 m1x ^ "__" ^ Int.toString m1
adamc@34 135 else
adamc@34 136 m1x
adamc@34 137 in
adamc@34 138 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@88 139 end
adamc@3 140
adamc@3 141 | CApp (c1, c2) => parenIf par (box [p_con env c1,
adamc@3 142 space,
adamc@3 143 p_con' true env c2])
adamc@147 144 | CAbs (x, k, c) => parenIf true (box [string "fn",
adamc@147 145 space,
adamc@147 146 string x,
adamc@147 147 space,
adamc@147 148 string "::",
adamc@147 149 space,
adamc@623 150 p_kind env k,
adamc@147 151 space,
adamc@147 152 string "=>",
adamc@147 153 space,
adamc@147 154 p_con (E.pushCRel env x k) c])
adamc@3 155
adamc@3 156 | CName s => box [string "#", string s]
adamc@3 157
adamc@12 158 | CRecord (k, xcs) =>
adamc@12 159 if !debug then
adamc@12 160 parenIf par (box [string "[",
adamc@12 161 p_list (fn (x, c) =>
adamc@12 162 box [p_con env x,
adamc@12 163 space,
adamc@12 164 string "=",
adamc@12 165 space,
adamc@12 166 p_con env c]) xcs,
adamc@12 167 string "]::",
adamc@623 168 p_kind env k])
adamc@12 169 else
adamc@12 170 parenIf par (box [string "[",
adamc@12 171 p_list (fn (x, c) =>
adamc@12 172 box [p_con env x,
adamc@12 173 space,
adamc@12 174 string "=",
adamc@12 175 space,
adamc@12 176 p_con env c]) xcs,
adamc@12 177 string "]"])
adamc@3 178 | CConcat (c1, c2) => parenIf par (box [p_con' true env c1,
adamc@3 179 space,
adamc@3 180 string "++",
adamc@3 181 space,
adamc@3 182 p_con env c2])
adamc@621 183 | CMap _ => string "map"
adamc@3 184
adamc@82 185 | CUnit => string "()"
adamc@82 186
adamc@207 187 | CTuple cs => box [string "(",
adamc@207 188 p_list (p_con env) cs,
adamc@207 189 string ")"]
adamc@207 190 | CProj (c, n) => box [p_con env c,
adamc@207 191 string ".",
adamc@207 192 string (Int.toString n)]
adamc@207 193
adamc@3 194 | CError => string "<ERROR>"
adamc@76 195 | CUnif (_, _, _, ref (SOME c)) => p_con' par env c
adamc@76 196 | CUnif (_, k, s, _) => box [string ("<UNIF:" ^ s ^ "::"),
adamc@623 197 p_kind env k,
adamc@76 198 string ">"]
adamc@623 199
adamc@623 200 | CKAbs (x, c) => box [string x,
adamc@623 201 space,
adamc@623 202 string "==>",
adamc@623 203 space,
adamc@623 204 p_con (E.pushKRel env x) c]
adamc@623 205 | CKApp (c, k) => box [p_con env c,
adamc@623 206 string "[[",
adamc@623 207 p_kind env k,
adamc@623 208 string "]]"]
adamc@623 209 | TKFun (x, c) => box [string x,
adamc@623 210 space,
adamc@623 211 string "-->",
adamc@623 212 space,
adamc@623 213 p_con (E.pushKRel env x) c]
adamc@623 214
adamc@3 215
adamc@3 216 and p_con env = p_con' false env
adamc@3 217
adamc@20 218 and p_name env (all as (c, _)) =
adamc@20 219 case c of
adamc@20 220 CName s => string s
adamc@20 221 | _ => p_con env all
adamc@20 222
adamc@171 223 fun p_patCon env pc =
adamc@171 224 case pc of
adamc@171 225 PConVar n =>
adamc@171 226 ((if !debug then
adamc@171 227 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@171 228 else
adamc@171 229 string (#1 (E.lookupENamed env n)))
adamc@448 230 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@171 231 | PConProj (m1, ms, x) =>
adamc@171 232 let
adamc@171 233 val m1x = #1 (E.lookupStrNamed env m1)
adamc@171 234 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@171 235
adamc@171 236 val m1s = if !debug then
adamc@171 237 m1x ^ "__" ^ Int.toString m1
adamc@171 238 else
adamc@171 239 m1x
adamc@171 240 in
adamc@171 241 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@171 242 end
adamc@171 243
adamc@171 244 fun p_pat' par env (p, _) =
adamc@171 245 case p of
adamc@171 246 PWild => string "_"
adamc@182 247 | PVar (s, _) => string s
adamc@173 248 | PPrim p => Prim.p_t p
adamc@191 249 | PCon (_, pc, _, NONE) => p_patCon env pc
adamc@191 250 | PCon (_, pc, _, SOME p) => parenIf par (box [p_patCon env pc,
adamc@188 251 space,
adamc@188 252 p_pat' true env p])
adamc@176 253 | PRecord xps =>
adamc@176 254 box [string "{",
adamc@182 255 p_list_sep (box [string ",", space]) (fn (x, p, _) =>
adamc@176 256 box [string x,
adamc@176 257 space,
adamc@176 258 string "=",
adamc@176 259 space,
adamc@176 260 p_pat env p]) xps,
adamc@176 261 string "}"]
adamc@171 262
adamc@175 263 and p_pat x = p_pat' false x
adamc@171 264
adamc@9 265 fun p_exp' par env (e, _) =
adamc@9 266 case e of
adamc@14 267 EPrim p => Prim.p_t p
adamc@14 268 | ERel n =>
adamc@88 269 ((if !debug then
adamc@88 270 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
adamc@88 271 else
adamc@88 272 string (#1 (E.lookupERel env n)))
adamc@88 273 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 274 | ENamed n =>
adamc@88 275 ((if !debug then
adamc@88 276 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@88 277 else
adamc@88 278 string (#1 (E.lookupENamed env n)))
adamc@448 279 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 280 | EModProj (m1, ms, x) =>
adamc@34 281 let
adamc@88 282 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 283 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 284
adamc@34 285 val m1s = if !debug then
adamc@34 286 m1x ^ "__" ^ Int.toString m1
adamc@34 287 else
adamc@34 288 m1x
adamc@34 289 in
adamc@34 290 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@34 291 end
adamc@34 292
adamc@9 293 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
adamc@9 294 space,
adamc@9 295 p_exp' true env e2])
adamc@26 296 | EAbs (x, t, _, e) => parenIf par (box [string "fn",
adamc@26 297 space,
adamc@26 298 string x,
adamc@26 299 space,
adamc@26 300 string ":",
adamc@26 301 space,
adamc@26 302 p_con env t,
adamc@26 303 space,
adamc@26 304 string "=>",
adamc@26 305 space,
adamc@26 306 p_exp (E.pushERel env x t) e])
adamc@9 307 | ECApp (e, c) => parenIf par (box [p_exp env e,
adamc@9 308 space,
adamc@9 309 string "[",
adamc@9 310 p_con env c,
adamc@9 311 string "]"])
adamc@9 312 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
adamc@9 313 space,
adamc@9 314 string x,
adamc@9 315 space,
adamc@9 316 p_explicitness exp,
adamc@9 317 space,
adamc@623 318 p_kind env k,
adamc@9 319 space,
adamc@9 320 string "=>",
adamc@9 321 space,
adamc@9 322 p_exp (E.pushCRel env x k) e])
adamc@9 323
adamc@12 324 | ERecord xes => box [string "{",
adamc@29 325 p_list (fn (x, e, _) =>
adamc@21 326 box [p_name env x,
adamc@12 327 space,
adamc@12 328 string "=",
adamc@12 329 space,
adamc@12 330 p_exp env e]) xes,
adamc@12 331 string "}"]
adamc@12 332 | EField (e, c, {field, rest}) =>
adamc@12 333 if !debug then
adamc@12 334 box [p_exp' true env e,
adamc@12 335 string ".",
adamc@12 336 p_con' true env c,
adamc@12 337 space,
adamc@12 338 string "[",
adamc@12 339 p_con env field,
adamc@12 340 space,
adamc@12 341 string " in ",
adamc@12 342 space,
adamc@12 343 p_con env rest,
adamc@12 344 string "]"]
adamc@12 345 else
adamc@12 346 box [p_exp' true env e,
adamc@12 347 string ".",
adamc@12 348 p_con' true env c]
adamc@445 349 | EConcat (e1, c1, e2, c2) =>
adamc@339 350 parenIf par (if !debug then
adamc@445 351 box [p_exp' true env e1,
adamc@445 352 space,
adamc@445 353 string ":",
adamc@445 354 space,
adamc@445 355 p_con env c1,
adamc@445 356 space,
adamc@445 357 string "++",
adamc@445 358 space,
adamc@445 359 p_exp' true env e2,
adamc@445 360 space,
adamc@445 361 string ":",
adamc@445 362 space,
adamc@445 363 p_con env c2]
adamc@445 364 else
adamc@445 365 box [p_exp' true env e1,
adamc@339 366 space,
adamc@494 367 string "++",
adamc@339 368 space,
adamc@339 369 p_exp' true env e2])
adamc@149 370 | ECut (e, c, {field, rest}) =>
adamc@149 371 parenIf par (if !debug then
adamc@149 372 box [p_exp' true env e,
adamc@149 373 space,
adamc@149 374 string "--",
adamc@149 375 space,
adamc@149 376 p_con' true env c,
adamc@149 377 space,
adamc@149 378 string "[",
adamc@149 379 p_con env field,
adamc@149 380 space,
adamc@149 381 string " in ",
adamc@149 382 space,
adamc@149 383 p_con env rest,
adamc@149 384 string "]"]
adamc@149 385 else
adamc@149 386 box [p_exp' true env e,
adamc@149 387 space,
adamc@149 388 string "--",
adamc@149 389 space,
adamc@149 390 p_con' true env c])
adamc@493 391 | ECutMulti (e, c, {rest}) =>
adamc@493 392 parenIf par (if !debug then
adamc@493 393 box [p_exp' true env e,
adamc@493 394 space,
adamc@493 395 string "---",
adamc@493 396 space,
adamc@493 397 p_con' true env c,
adamc@493 398 space,
adamc@493 399 string "[",
adamc@493 400 p_con env rest,
adamc@493 401 string "]"]
adamc@493 402 else
adamc@493 403 box [p_exp' true env e,
adamc@493 404 space,
adamc@493 405 string "---",
adamc@493 406 space,
adamc@493 407 p_con' true env c])
adamc@493 408
adamc@171 409 | ECase (e, pes, _) => parenIf par (box [string "case",
adamc@171 410 space,
adamc@171 411 p_exp env e,
adamc@171 412 space,
adamc@171 413 string "of",
adamc@171 414 space,
adamc@171 415 p_list_sep (box [space, string "|", space])
adamc@171 416 (fn (p, e) => box [p_pat env p,
adamc@171 417 space,
adamc@171 418 string "=>",
adamc@171 419 space,
adamc@243 420 p_exp (E.patBinds env p) e]) pes])
adamc@171 421
adamc@9 422 | EError => string "<ERROR>"
adamc@228 423 | EUnif (ref (SOME e)) => p_exp env e
adamc@228 424 | EUnif _ => string "_"
adamc@9 425
adamc@447 426 | ELet (ds, e) =>
adamc@447 427 let
adamc@447 428 val (dsp, env) = ListUtil.foldlMap
adamc@447 429 (fn (d, env) =>
adamc@447 430 (p_edecl env d,
adamc@447 431 E.edeclBinds env d))
adamc@447 432 env ds
adamc@447 433 in
adamc@447 434 box [string "let",
adamc@447 435 newline,
adamc@447 436 box [p_list_sep newline (fn x => x) dsp],
adamc@447 437 newline,
adamc@447 438 string "in",
adamc@447 439 newline,
adamc@447 440 box [p_exp env e],
adamc@447 441 newline,
adamc@447 442 string "end"]
adamc@447 443 end
adamc@447 444
adamc@623 445 | EKAbs (x, e) => box [string x,
adamc@623 446 space,
adamc@623 447 string "==>",
adamc@623 448 space,
adamc@623 449 p_exp (E.pushKRel env x) e]
adamc@623 450 | EKApp (e, k) => box [p_exp env e,
adamc@623 451 string "[[",
adamc@623 452 p_kind env k,
adamc@623 453 string "]]"]
adamc@623 454
adamc@9 455 and p_exp env = p_exp' false env
adamc@9 456
adamc@447 457 and p_edecl env (dAll as (d, _)) =
adamc@447 458 case d of
adamc@447 459 EDVal vi => box [string "val",
adamc@447 460 space,
adamc@447 461 p_evali env vi]
adamc@447 462 | EDValRec vis =>
adamc@447 463 let
adamc@447 464 val env = E.edeclBinds env dAll
adamc@447 465 in
adamc@447 466 box [string "val",
adamc@447 467 space,
adamc@447 468 string "rec",
adamc@447 469 space,
adamc@447 470 p_list_sep (box [newline, string "and", space]) (p_evali env) vis]
adamc@447 471 end
adamc@447 472
adamc@447 473 and p_evali env (x, t, e) = box [string x,
adamc@447 474 space,
adamc@447 475 string ":",
adamc@447 476 space,
adamc@447 477 p_con env t,
adamc@447 478 space,
adamc@447 479 string "=",
adamc@447 480 space,
adamc@447 481 p_exp env e]
adamc@31 482
adamc@191 483 fun p_datatype env (x, n, xs, cons) =
adamc@156 484 let
adamc@191 485 val k = (KType, ErrorMsg.dummySpan)
adamc@191 486 val env = E.pushCNamedAs env x n k NONE
adamc@191 487 val env = foldl (fn (x, env) => E.pushCRel env x k) env xs
adamc@156 488 in
adamc@156 489 box [string "datatype",
adamc@156 490 space,
adamc@156 491 string x,
adamc@191 492 p_list_sep (box []) (fn x => box [space, string x]) xs,
adamc@156 493 space,
adamc@156 494 string "=",
adamc@156 495 space,
adamc@156 496 p_list_sep (box [space, string "|", space])
adamc@156 497 (fn (x, _, NONE) => string x
adamc@156 498 | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t])
adamc@156 499 cons]
adamc@156 500 end
adamc@156 501
adamc@447 502 fun p_named x n =
adamc@447 503 if !debug then
adamc@447 504 box [string x,
adamc@447 505 string "__",
adamc@447 506 string (Int.toString n)]
adamc@447 507 else
adamc@447 508 string x
adamc@447 509
adamc@31 510 fun p_sgn_item env (sgi, _) =
adamc@31 511 case sgi of
adamc@31 512 SgiConAbs (x, n, k) => box [string "con",
adamc@31 513 space,
adamc@31 514 p_named x n,
adamc@31 515 space,
adamc@31 516 string "::",
adamc@31 517 space,
adamc@623 518 p_kind env k]
adamc@31 519 | SgiCon (x, n, k, c) => box [string "con",
adamc@31 520 space,
adamc@31 521 p_named x n,
adamc@31 522 space,
adamc@31 523 string "::",
adamc@31 524 space,
adamc@623 525 p_kind env k,
adamc@31 526 space,
adamc@31 527 string "=",
adamc@31 528 space,
adamc@31 529 p_con env c]
adamc@156 530 | SgiDatatype x => p_datatype env x
adamc@191 531 | SgiDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 532 let
adamc@156 533 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 534 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 535 in
adamc@156 536 box [string "datatype",
adamc@156 537 space,
adamc@156 538 string x,
adamc@156 539 space,
adamc@156 540 string "=",
adamc@156 541 space,
adamc@156 542 string "datatype",
adamc@156 543 space,
adamc@156 544 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 545 end
adamc@31 546 | SgiVal (x, n, c) => box [string "val",
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_con env c]
adamc@31 553 | SgiStr (x, n, sgn) => 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@59 560 | SgiSgn (x, n, sgn) => box [string "signature",
adamc@59 561 space,
adamc@59 562 p_named x n,
adamc@59 563 space,
adamc@59 564 string "=",
adamc@59 565 space,
adamc@59 566 p_sgn env sgn]
adamc@88 567 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 568 space,
adamc@88 569 p_con env c1,
adamc@88 570 space,
adamc@88 571 string "~",
adamc@88 572 space,
adamc@88 573 p_con env c2]
adamc@563 574 | SgiClassAbs (x, n, k) => box [string "class",
adamc@563 575 space,
adamc@563 576 p_named x n,
adamc@563 577 space,
adamc@563 578 string "::",
adamc@563 579 space,
adamc@623 580 p_kind env k]
adamc@563 581 | SgiClass (x, n, k, c) => box [string "class",
adamc@563 582 space,
adamc@563 583 p_named x n,
adamc@563 584 space,
adamc@563 585 string "::",
adamc@563 586 space,
adamc@623 587 p_kind env k,
adamc@563 588 space,
adamc@563 589 string "=",
adamc@563 590 space,
adamc@563 591 p_con env c]
adamc@31 592
adamc@31 593 and p_sgn env (sgn, _) =
adamc@31 594 case sgn of
adamc@31 595 SgnConst sgis => box [string "sig",
adamc@31 596 newline,
adamc@32 597 let
adamc@32 598 val (psgis, _) = ListUtil.foldlMap (fn (sgi, env) =>
adamc@32 599 (p_sgn_item env sgi,
adamc@32 600 E.sgiBinds env sgi))
adamc@32 601 env sgis
adamc@32 602 in
adamc@32 603 p_list_sep newline (fn x => x) psgis
adamc@32 604 end,
adamc@31 605 newline,
adamc@31 606 string "end"]
adamc@88 607 | SgnVar n => ((string (#1 (E.lookupSgnNamed env n)))
adamc@88 608 handle E.UnboundNamed _ => string ("UNBOUND_SGN_" ^ Int.toString n))
adamc@41 609 | SgnFun (x, n, sgn, sgn') => box [string "functor",
adamc@41 610 space,
adamc@41 611 string "(",
adamc@41 612 string x,
adamc@41 613 space,
adamc@41 614 string ":",
adamc@41 615 space,
adamc@41 616 p_sgn env sgn,
adamc@41 617 string ")",
adamc@41 618 space,
adamc@41 619 string ":",
adamc@41 620 space,
adamc@41 621 p_sgn (E.pushStrNamedAs env x n sgn) sgn']
adamc@42 622 | SgnWhere (sgn, x, c) => box [p_sgn env sgn,
adamc@42 623 space,
adamc@42 624 string "where",
adamc@42 625 space,
adamc@42 626 string "con",
adamc@42 627 space,
adamc@42 628 string x,
adamc@42 629 space,
adamc@42 630 string "=",
adamc@42 631 space,
adamc@42 632 p_con env c]
adamc@59 633 | SgnProj (m1, ms, x) =>
adamc@59 634 let
adamc@88 635 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 636 handle E.UnboundNamed _ => "UNBOUND_SGN_" ^ Int.toString m1
adamc@88 637
adamc@59 638 val m1s = if !debug then
adamc@59 639 m1x ^ "__" ^ Int.toString m1
adamc@59 640 else
adamc@59 641 m1x
adamc@88 642 in
adamc@59 643 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@59 644 end
adamc@31 645 | SgnError => string "<ERROR>"
adamc@31 646
adamc@123 647 fun p_vali env (x, n, t, e) = box [p_named x n,
adamc@123 648 space,
adamc@123 649 string ":",
adamc@123 650 space,
adamc@123 651 p_con env t,
adamc@123 652 space,
adamc@123 653 string "=",
adamc@123 654 space,
adamc@123 655 p_exp env e]
adamc@123 656
adamc@447 657
adamc@447 658
adamc@123 659 fun p_decl env (dAll as (d, _) : decl) =
adamc@3 660 case d of
adamc@31 661 DCon (x, n, k, c) => box [string "con",
adamc@31 662 space,
adamc@31 663 p_named x n,
adamc@31 664 space,
adamc@31 665 string "::",
adamc@31 666 space,
adamc@623 667 p_kind env k,
adamc@31 668 space,
adamc@31 669 string "=",
adamc@31 670 space,
adamc@31 671 p_con env c]
adamc@156 672 | DDatatype x => p_datatype env x
adamc@191 673 | DDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 674 let
adamc@156 675 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 676 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 677 in
adamc@156 678 box [string "datatype",
adamc@156 679 space,
adamc@156 680 string x,
adamc@156 681 space,
adamc@156 682 string "=",
adamc@156 683 space,
adamc@156 684 string "datatype",
adamc@156 685 space,
adamc@156 686 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 687 end
adamc@123 688 | DVal vi => box [string "val",
adamc@123 689 space,
adamc@123 690 p_vali env vi]
adamc@123 691 | DValRec vis =>
adamc@123 692 let
adamc@123 693 val env = E.declBinds env dAll
adamc@123 694 in
adamc@123 695 box [string "val",
adamc@123 696 space,
adamc@123 697 string "rec",
adamc@123 698 space,
adamc@123 699 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
adamc@123 700 end
adamc@31 701
adamc@31 702 | DSgn (x, n, sgn) => box [string "signature",
adamc@31 703 space,
adamc@31 704 p_named x n,
adamc@31 705 space,
adamc@31 706 string "=",
adamc@31 707 space,
adamc@31 708 p_sgn env sgn]
adamc@31 709 | DStr (x, n, sgn, str) => box [string "structure",
adamc@31 710 space,
adamc@31 711 p_named x n,
adamc@31 712 space,
adamc@31 713 string ":",
adamc@31 714 space,
adamc@31 715 p_sgn env sgn,
adamc@31 716 space,
adamc@31 717 string "=",
adamc@31 718 space,
adamc@31 719 p_str env str]
adamc@48 720 | DFfiStr (x, n, sgn) => box [string "extern",
adamc@48 721 space,
adamc@48 722 string "structure",
adamc@48 723 space,
adamc@48 724 p_named x n,
adamc@48 725 space,
adamc@48 726 string ":",
adamc@48 727 space,
adamc@48 728 p_sgn env sgn]
adamc@88 729 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 730 space,
adamc@88 731 p_con env c1,
adamc@88 732 space,
adamc@88 733 string "~",
adamc@88 734 space,
adamc@88 735 p_con env c2]
adamc@109 736 | DExport (_, sgn, str) => box [string "export",
adamc@110 737 space,
adamc@109 738 p_str env str,
adamc@109 739 space,
adamc@109 740 string ":",
adamc@109 741 space,
adamc@109 742 p_sgn env sgn]
adamc@205 743 | DTable (_, x, n, c) => box [string "table",
adamc@205 744 space,
adamc@205 745 p_named x n,
adamc@205 746 space,
adamc@205 747 string ":",
adamc@205 748 space,
adamc@205 749 p_con env c]
adamc@338 750 | DSequence (_, x, n) => box [string "sequence",
adamc@338 751 space,
adamc@338 752 p_named x n]
adamc@563 753 | DClass (x, n, k, c) => box [string "class",
adamc@563 754 space,
adamc@563 755 p_named x n,
adamc@563 756 space,
adamc@563 757 string "::",
adamc@563 758 space,
adamc@623 759 p_kind env k,
adamc@563 760 space,
adamc@563 761 string "=",
adamc@563 762 space,
adamc@563 763 p_con env c]
adamc@271 764 | DDatabase s => box [string "database",
adamc@271 765 space,
adamc@271 766 string s]
adamc@459 767 | DCookie (_, x, n, c) => box [string "cookie",
adamc@459 768 space,
adamc@459 769 p_named x n,
adamc@459 770 space,
adamc@459 771 string ":",
adamc@459 772 space,
adamc@459 773 p_con env c]
adamc@31 774
adamc@31 775 and p_str env (str, _) =
adamc@31 776 case str of
adamc@31 777 StrConst ds => box [string "struct",
adamc@31 778 newline,
adamc@32 779 p_file env ds,
adamc@31 780 newline,
adamc@31 781 string "end"]
adamc@88 782 | StrVar n => ((string (#1 (E.lookupStrNamed env n)))
adamc@88 783 handle E.UnboundNamed _ => string ("UNBOUND_STR_" ^ Int.toString n))
adamc@34 784 | StrProj (str, s) => box [p_str env str,
adamc@34 785 string ".",
adamc@34 786 string s]
adamc@41 787 | StrFun (x, n, sgn, sgn', str) =>
adamc@41 788 let
adamc@41 789 val env' = E.pushStrNamedAs env x n sgn
adamc@41 790 in
adamc@41 791 box [string "functor",
adamc@41 792 space,
adamc@41 793 string "(",
adamc@41 794 string x,
adamc@41 795 space,
adamc@41 796 string ":",
adamc@41 797 space,
adamc@41 798 p_sgn env sgn,
adamc@41 799 string ")",
adamc@41 800 space,
adamc@41 801 string ":",
adamc@41 802 space,
adamc@41 803 p_sgn env' sgn',
adamc@41 804 space,
adamc@41 805 string "=>",
adamc@41 806 space,
adamc@41 807 p_str env' str]
adamc@41 808 end
adamc@44 809 | StrApp (str1, str2) => box [p_str env str1,
adamc@44 810 string "(",
adamc@44 811 p_str env str2,
adamc@44 812 string ")"]
adamc@31 813 | StrError => string "<ERROR>"
adamc@3 814
adamc@32 815 and p_file env file =
adamc@3 816 let
adamc@31 817 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 818 (p_decl env d,
adamc@31 819 E.declBinds env d))
adamc@31 820 env file
adamc@3 821 in
adamc@3 822 p_list_sep newline (fn x => x) pds
adamc@3 823 end
adamc@3 824
adamc@3 825 end