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annotate src/elab_print.sml @ 1809:b8fa7441e637

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author Adam Chlipala <adam@chlipala.net>
date Sat, 18 Aug 2012 13:57:48 -0400
parents bb942416bf1c
children 1aa9629e3a4c
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>"
adam@1639 57 | KUnif (_, _, ref (KKnown k)) => p_kind' par env k
adamc@76 58 | KUnif (_, s, _) => string ("<UNIF:" ^ s ^ ">")
adam@1639 59 | KTupleUnif (_, _, ref (KKnown k)) => p_kind' par env k
adam@1302 60 | KTupleUnif (_, nks, _) => box [string "(",
adam@1302 61 p_list_sep (box [space, string "*", space])
adam@1302 62 (fn (n, k) => box [string (Int.toString n ^ ":"),
adam@1302 63 space,
adam@1302 64 p_kind env k]) nks,
adam@1302 65 space,
adam@1302 66 string "*",
adam@1302 67 space,
adam@1302 68 string "...)"]
adamc@3 69
adamc@623 70 | KRel n => ((if !debug then
adamc@623 71 string (E.lookupKRel env n ^ "_" ^ Int.toString n)
adamc@623 72 else
adamc@623 73 string (E.lookupKRel env n))
adamc@623 74 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@623 75 | KFun (x, k) => box [string x,
adamc@623 76 space,
adamc@623 77 string "-->",
adamc@623 78 space,
adamc@623 79 p_kind (E.pushKRel env x) k]
adamc@623 80
adamc@624 81 and p_kind env = p_kind' false env
adamc@3 82
adamc@3 83 fun p_explicitness e =
adamc@3 84 case e of
adamc@3 85 Explicit => string "::"
adamc@3 86 | Implicit => string ":::"
adamc@3 87
adamc@3 88 fun p_con' par env (c, _) =
adamc@3 89 case c of
adam@1727 90 TFun (t1, t2) => parenIf par (box [p_con' true env t1,
adamc@3 91 space,
adamc@3 92 string "->",
adamc@3 93 space,
adamc@3 94 p_con env t2])
adamc@3 95 | TCFun (e, x, k, c) => parenIf par (box [string x,
adamc@3 96 space,
adamc@3 97 p_explicitness e,
adamc@3 98 space,
adamc@623 99 p_kind env k,
adamc@3 100 space,
adamc@3 101 string "->",
adamc@3 102 space,
adamc@3 103 p_con (E.pushCRel env x k) c])
adamc@628 104 | TDisjoint (c1, c2, c3) => parenIf par (box [string "[",
adamc@628 105 p_con env c1,
adamc@628 106 space,
adamc@628 107 string "~",
adamc@628 108 space,
adamc@628 109 p_con env c2,
adamc@628 110 string "]",
adamc@628 111 space,
adamc@628 112 string "=>",
adamc@628 113 space,
adamc@628 114 p_con env c3])
adam@1720 115 | TRecord (CRecord (_, xcs), _) =>
adam@1720 116 let
adam@1720 117 fun isTuple (n, xcs) =
adam@1720 118 case xcs of
adam@1720 119 [] => n > 2
adam@1720 120 | ((CName s, _), _) :: xcs' =>
adam@1720 121 s = Int.toString n andalso isTuple (n+1, xcs')
adam@1720 122 | _ => false
adam@1720 123 in
adam@1720 124 if isTuple (1, xcs) then
adam@1720 125 case xcs of
adam@1720 126 (_, c) :: xcs =>
adam@1720 127 parenIf par (box [p_con' true env c,
adam@1720 128 p_list_sep (box []) (fn (_, c) => box [space,
adam@1720 129 string "*",
adam@1720 130 space,
adam@1720 131 p_con' true env c]) xcs])
adam@1720 132 | _ => raise Fail "ElabPrint: surprise empty tuple"
adam@1720 133 else
adam@1720 134 box [string "{",
adam@1720 135 p_list (fn (x, c) =>
adam@1720 136 box [p_name env x,
adam@1720 137 space,
adam@1720 138 string ":",
adam@1720 139 space,
adam@1720 140 p_con env c]) xcs,
adam@1720 141 string "}"]
adam@1720 142 end
adamc@3 143 | TRecord c => box [string "$",
adamc@3 144 p_con' true env c]
adamc@3 145
adamc@11 146 | CRel n =>
adamc@71 147 ((if !debug then
adamc@71 148 string (#1 (E.lookupCRel env n) ^ "_" ^ Int.toString n)
adamc@71 149 else
adamc@71 150 string (#1 (E.lookupCRel env n)))
adamc@71 151 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 152 | CNamed n =>
adamc@34 153 ((if !debug then
adamc@34 154 string (#1 (E.lookupCNamed env n) ^ "__" ^ Int.toString n)
adamc@34 155 else
adamc@34 156 string (#1 (E.lookupCNamed env n)))
adamc@34 157 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 158 | CModProj (m1, ms, x) =>
adamc@34 159 let
adamc@88 160 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 161 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 162
adamc@34 163 val m1s = if !debug then
adamc@34 164 m1x ^ "__" ^ Int.toString m1
adamc@34 165 else
adamc@34 166 m1x
adamc@34 167 in
adam@1721 168 if m1x = "Basis" andalso (case E.lookupC env x of
adam@1721 169 E.Named (n, _) =>
adam@1721 170 let
adam@1721 171 val (_, _, co) = E.lookupCNamed env n
adam@1721 172 in
adam@1721 173 case co of
adam@1721 174 SOME (CModProj (m1', [], x'), _) => m1' = m1 andalso x' = x
adam@1721 175 | _ => false
adam@1721 176 end
adam@1721 177 | E.NotBound => true
adam@1721 178 | _ => false) then
adam@1721 179 string x
adam@1721 180 else
adam@1721 181 p_list_sep (string ".") string (m1s :: ms @ [x])
adamc@88 182 end
adamc@3 183
adamc@3 184 | CApp (c1, c2) => parenIf par (box [p_con env c1,
adamc@3 185 space,
adamc@3 186 p_con' true env c2])
adamc@147 187 | CAbs (x, k, c) => parenIf true (box [string "fn",
adamc@147 188 space,
adamc@147 189 string x,
adamc@147 190 space,
adamc@147 191 string "::",
adamc@147 192 space,
adamc@623 193 p_kind env k,
adamc@147 194 space,
adamc@147 195 string "=>",
adamc@147 196 space,
adamc@147 197 p_con (E.pushCRel env x k) c])
adamc@3 198
adamc@3 199 | CName s => box [string "#", string s]
adamc@3 200
adamc@12 201 | CRecord (k, xcs) =>
adamc@12 202 if !debug then
adamc@12 203 parenIf par (box [string "[",
adamc@12 204 p_list (fn (x, c) =>
adam@1716 205 box [p_name env x,
adamc@12 206 space,
adamc@12 207 string "=",
adamc@12 208 space,
adamc@12 209 p_con env c]) xcs,
adamc@12 210 string "]::",
adamc@623 211 p_kind env k])
adamc@12 212 else
adamc@12 213 parenIf par (box [string "[",
adamc@12 214 p_list (fn (x, c) =>
adam@1716 215 box [p_name env x,
adamc@12 216 space,
adamc@12 217 string "=",
adamc@12 218 space,
adamc@12 219 p_con env c]) xcs,
adamc@12 220 string "]"])
adamc@3 221 | CConcat (c1, c2) => parenIf par (box [p_con' true env c1,
adamc@3 222 space,
adamc@3 223 string "++",
adamc@3 224 space,
adamc@3 225 p_con env c2])
adamc@621 226 | CMap _ => string "map"
adamc@3 227
adamc@82 228 | CUnit => string "()"
adamc@82 229
adamc@207 230 | CTuple cs => box [string "(",
adamc@207 231 p_list (p_con env) cs,
adamc@207 232 string ")"]
adamc@207 233 | CProj (c, n) => box [p_con env c,
adamc@207 234 string ".",
adamc@207 235 string (Int.toString n)]
adamc@207 236
adamc@3 237 | CError => string "<ERROR>"
adam@1639 238 | CUnif (nl, _, _, _, ref (Known c)) => p_con' par env (E.mliftConInCon nl c)
adam@1303 239 | CUnif (nl, _, k, s, _) => box [string ("<UNIF:" ^ s ^ "::"),
adam@1303 240 p_kind env k,
adam@1303 241 case nl of
adam@1303 242 0 => box []
adam@1303 243 | _ => string ("+" ^ Int.toString nl),
adam@1303 244 string ">"]
adamc@623 245
adamc@623 246 | CKAbs (x, c) => box [string x,
adamc@623 247 space,
adamc@623 248 string "==>",
adamc@623 249 space,
adamc@623 250 p_con (E.pushKRel env x) c]
adamc@623 251 | CKApp (c, k) => box [p_con env c,
adamc@623 252 string "[[",
adamc@623 253 p_kind env k,
adamc@623 254 string "]]"]
adamc@623 255 | TKFun (x, c) => box [string x,
adamc@623 256 space,
adamc@623 257 string "-->",
adamc@623 258 space,
adamc@623 259 p_con (E.pushKRel env x) c]
adamc@623 260
adamc@3 261
adamc@3 262 and p_con env = p_con' false env
adamc@3 263
adamc@20 264 and p_name env (all as (c, _)) =
adamc@20 265 case c of
adamc@20 266 CName s => string s
adamc@20 267 | _ => p_con env all
adamc@20 268
adamc@171 269 fun p_patCon env pc =
adamc@171 270 case pc of
adamc@171 271 PConVar n =>
adamc@171 272 ((if !debug then
adamc@171 273 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@171 274 else
adamc@171 275 string (#1 (E.lookupENamed env n)))
adamc@448 276 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@171 277 | PConProj (m1, ms, x) =>
adamc@171 278 let
adamc@171 279 val m1x = #1 (E.lookupStrNamed env m1)
adamc@171 280 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@171 281
adamc@171 282 val m1s = if !debug then
adamc@171 283 m1x ^ "__" ^ Int.toString m1
adamc@171 284 else
adamc@171 285 m1x
adamc@171 286 in
adamc@171 287 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@171 288 end
adamc@171 289
adamc@171 290 fun p_pat' par env (p, _) =
adamc@171 291 case p of
adamc@171 292 PWild => string "_"
adamc@182 293 | PVar (s, _) => string s
adamc@173 294 | PPrim p => Prim.p_t p
adamc@191 295 | PCon (_, pc, _, NONE) => p_patCon env pc
adamc@191 296 | PCon (_, pc, _, SOME p) => parenIf par (box [p_patCon env pc,
adamc@188 297 space,
adamc@188 298 p_pat' true env p])
adamc@176 299 | PRecord xps =>
adamc@176 300 box [string "{",
adamc@1272 301 p_list_sep (box [string ",", space]) (fn (x, p, t) =>
adamc@176 302 box [string x,
adamc@176 303 space,
adamc@176 304 string "=",
adamc@176 305 space,
adamc@1272 306 p_pat env p,
adamc@1272 307 if !debug then
adamc@1272 308 box [space,
adamc@1272 309 string ":",
adamc@1272 310 space,
adamc@1272 311 p_con env t]
adamc@1272 312 else
adamc@1272 313 box []]) xps,
adamc@176 314 string "}"]
adamc@171 315
adamc@175 316 and p_pat x = p_pat' false x
adamc@171 317
adamc@9 318 fun p_exp' par env (e, _) =
adamc@9 319 case e of
adamc@14 320 EPrim p => Prim.p_t p
adamc@14 321 | ERel n =>
adamc@88 322 ((if !debug then
adamc@88 323 string (#1 (E.lookupERel env n) ^ "_" ^ Int.toString n)
adamc@88 324 else
adamc@88 325 string (#1 (E.lookupERel env n)))
adamc@88 326 handle E.UnboundRel _ => string ("UNBOUND_REL" ^ Int.toString n))
adamc@11 327 | ENamed n =>
adamc@88 328 ((if !debug then
adamc@88 329 string (#1 (E.lookupENamed env n) ^ "__" ^ Int.toString n)
adamc@88 330 else
adamc@88 331 string (#1 (E.lookupENamed env n)))
adamc@448 332 handle E.UnboundNamed _ => string ("UNBOUND_NAMED" ^ Int.toString n))
adamc@34 333 | EModProj (m1, ms, x) =>
adamc@34 334 let
adamc@88 335 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 336 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@88 337
adamc@34 338 val m1s = if !debug then
adamc@34 339 m1x ^ "__" ^ Int.toString m1
adamc@34 340 else
adamc@34 341 m1x
adamc@34 342 in
adamc@34 343 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@34 344 end
adamc@34 345
adamc@9 346 | EApp (e1, e2) => parenIf par (box [p_exp env e1,
adamc@9 347 space,
adamc@9 348 p_exp' true env e2])
adamc@26 349 | EAbs (x, t, _, e) => parenIf par (box [string "fn",
adamc@26 350 space,
adamc@26 351 string x,
adamc@26 352 space,
adamc@26 353 string ":",
adamc@26 354 space,
adamc@26 355 p_con env t,
adamc@26 356 space,
adamc@26 357 string "=>",
adamc@26 358 space,
adamc@26 359 p_exp (E.pushERel env x t) e])
adamc@9 360 | ECApp (e, c) => parenIf par (box [p_exp env e,
adamc@9 361 space,
adamc@9 362 string "[",
adamc@9 363 p_con env c,
adamc@9 364 string "]"])
adamc@9 365 | ECAbs (exp, x, k, e) => parenIf par (box [string "fn",
adamc@9 366 space,
adamc@9 367 string x,
adamc@9 368 space,
adamc@9 369 p_explicitness exp,
adamc@9 370 space,
adamc@623 371 p_kind env k,
adamc@9 372 space,
adamc@9 373 string "=>",
adamc@9 374 space,
adamc@9 375 p_exp (E.pushCRel env x k) e])
adamc@9 376
adamc@12 377 | ERecord xes => box [string "{",
adamc@29 378 p_list (fn (x, e, _) =>
adamc@21 379 box [p_name env x,
adamc@12 380 space,
adamc@12 381 string "=",
adamc@12 382 space,
adamc@12 383 p_exp env e]) xes,
adamc@12 384 string "}"]
adamc@12 385 | EField (e, c, {field, rest}) =>
adamc@12 386 if !debug then
adamc@12 387 box [p_exp' true env e,
adamc@12 388 string ".",
adamc@12 389 p_con' true env c,
adamc@12 390 space,
adamc@12 391 string "[",
adamc@12 392 p_con env field,
adamc@12 393 space,
adamc@12 394 string " in ",
adamc@12 395 space,
adamc@12 396 p_con env rest,
adamc@12 397 string "]"]
adamc@12 398 else
adamc@12 399 box [p_exp' true env e,
adamc@12 400 string ".",
adamc@12 401 p_con' true env c]
adamc@445 402 | EConcat (e1, c1, e2, c2) =>
adamc@339 403 parenIf par (if !debug then
adamc@445 404 box [p_exp' true env e1,
adamc@445 405 space,
adamc@445 406 string ":",
adamc@445 407 space,
adamc@445 408 p_con env c1,
adamc@445 409 space,
adamc@445 410 string "++",
adamc@445 411 space,
adamc@445 412 p_exp' true env e2,
adamc@445 413 space,
adamc@445 414 string ":",
adamc@445 415 space,
adamc@445 416 p_con env c2]
adamc@445 417 else
adamc@445 418 box [p_exp' true env e1,
adamc@339 419 space,
adamc@494 420 string "++",
adamc@339 421 space,
adamc@339 422 p_exp' true env e2])
adamc@149 423 | ECut (e, c, {field, rest}) =>
adamc@149 424 parenIf par (if !debug then
adamc@149 425 box [p_exp' true env e,
adamc@149 426 space,
adamc@149 427 string "--",
adamc@149 428 space,
adamc@149 429 p_con' true env c,
adamc@149 430 space,
adamc@149 431 string "[",
adamc@149 432 p_con env field,
adamc@149 433 space,
adamc@149 434 string " in ",
adamc@149 435 space,
adamc@149 436 p_con env rest,
adamc@149 437 string "]"]
adamc@149 438 else
adamc@149 439 box [p_exp' true env e,
adamc@149 440 space,
adamc@149 441 string "--",
adamc@149 442 space,
adamc@149 443 p_con' true env c])
adamc@493 444 | ECutMulti (e, c, {rest}) =>
adamc@493 445 parenIf par (if !debug then
adamc@493 446 box [p_exp' true env e,
adamc@493 447 space,
adamc@493 448 string "---",
adamc@493 449 space,
adamc@493 450 p_con' true env c,
adamc@493 451 space,
adamc@493 452 string "[",
adamc@493 453 p_con env rest,
adamc@493 454 string "]"]
adamc@493 455 else
adamc@493 456 box [p_exp' true env e,
adamc@493 457 space,
adamc@493 458 string "---",
adamc@493 459 space,
adamc@493 460 p_con' true env c])
adamc@493 461
adamc@171 462 | ECase (e, pes, _) => parenIf par (box [string "case",
adamc@171 463 space,
adamc@171 464 p_exp env e,
adamc@171 465 space,
adamc@171 466 string "of",
adamc@171 467 space,
adamc@171 468 p_list_sep (box [space, string "|", space])
adamc@171 469 (fn (p, e) => box [p_pat env p,
adamc@171 470 space,
adamc@171 471 string "=>",
adamc@171 472 space,
adamc@243 473 p_exp (E.patBinds env p) e]) pes])
adamc@171 474
adamc@9 475 | EError => string "<ERROR>"
adamc@228 476 | EUnif (ref (SOME e)) => p_exp env e
adamc@228 477 | EUnif _ => string "_"
adamc@9 478
adamc@825 479 | ELet (ds, e, _) =>
adamc@447 480 let
adamc@447 481 val (dsp, env) = ListUtil.foldlMap
adamc@447 482 (fn (d, env) =>
adamc@447 483 (p_edecl env d,
adamc@447 484 E.edeclBinds env d))
adamc@447 485 env ds
adamc@447 486 in
adamc@447 487 box [string "let",
adamc@447 488 newline,
adamc@447 489 box [p_list_sep newline (fn x => x) dsp],
adamc@447 490 newline,
adamc@447 491 string "in",
adamc@447 492 newline,
adamc@447 493 box [p_exp env e],
adamc@447 494 newline,
adamc@447 495 string "end"]
adamc@447 496 end
adamc@447 497
adamc@623 498 | EKAbs (x, e) => box [string x,
adamc@623 499 space,
adamc@623 500 string "==>",
adamc@623 501 space,
adamc@623 502 p_exp (E.pushKRel env x) e]
adamc@623 503 | EKApp (e, k) => box [p_exp env e,
adamc@623 504 string "[[",
adamc@623 505 p_kind env k,
adamc@623 506 string "]]"]
adamc@623 507
adamc@9 508 and p_exp env = p_exp' false env
adamc@9 509
adamc@447 510 and p_edecl env (dAll as (d, _)) =
adamc@447 511 case d of
adamc@825 512 EDVal (p, t, e) => box [string "val",
adamc@825 513 space,
adamc@825 514 p_pat env p,
adamc@825 515 space,
adamc@825 516 string ":",
adamc@825 517 space,
adamc@825 518 p_con env t,
adamc@825 519 space,
adamc@825 520 string "=",
adamc@825 521 space,
adamc@825 522 p_exp env e]
adamc@447 523 | EDValRec vis =>
adamc@447 524 let
adamc@447 525 val env = E.edeclBinds env dAll
adamc@447 526 in
adamc@447 527 box [string "val",
adamc@447 528 space,
adamc@447 529 string "rec",
adamc@447 530 space,
adamc@447 531 p_list_sep (box [newline, string "and", space]) (p_evali env) vis]
adamc@447 532 end
adamc@447 533
adamc@447 534 and p_evali env (x, t, e) = box [string x,
adamc@447 535 space,
adamc@447 536 string ":",
adamc@447 537 space,
adamc@447 538 p_con env t,
adamc@447 539 space,
adamc@447 540 string "=",
adamc@447 541 space,
adamc@447 542 p_exp env e]
adamc@31 543
adamc@191 544 fun p_datatype env (x, n, xs, cons) =
adamc@156 545 let
adamc@191 546 val k = (KType, ErrorMsg.dummySpan)
adamc@191 547 val env = E.pushCNamedAs env x n k NONE
adamc@191 548 val env = foldl (fn (x, env) => E.pushCRel env x k) env xs
adamc@156 549 in
adamc@805 550 box [string x,
adamc@191 551 p_list_sep (box []) (fn x => box [space, string x]) xs,
adamc@156 552 space,
adamc@156 553 string "=",
adamc@156 554 space,
adamc@156 555 p_list_sep (box [space, string "|", space])
adamc@156 556 (fn (x, _, NONE) => string x
adamc@156 557 | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t])
adamc@156 558 cons]
adamc@156 559 end
adamc@156 560
adamc@447 561 fun p_named x n =
adamc@447 562 if !debug then
adamc@447 563 box [string x,
adamc@447 564 string "__",
adamc@447 565 string (Int.toString n)]
adamc@447 566 else
adamc@447 567 string x
adamc@447 568
adamc@805 569 fun p_sgn_item env (sgiAll as (sgi, _)) =
adamc@31 570 case sgi of
adamc@31 571 SgiConAbs (x, n, k) => box [string "con",
adamc@31 572 space,
adamc@31 573 p_named x n,
adamc@31 574 space,
adamc@31 575 string "::",
adamc@31 576 space,
adamc@623 577 p_kind env k]
adamc@31 578 | SgiCon (x, n, k, c) => box [string "con",
adamc@31 579 space,
adamc@31 580 p_named x n,
adamc@31 581 space,
adamc@31 582 string "::",
adamc@31 583 space,
adamc@623 584 p_kind env k,
adamc@31 585 space,
adamc@31 586 string "=",
adamc@31 587 space,
adamc@31 588 p_con env c]
adamc@805 589 | SgiDatatype x => box [string "datatype",
adamc@805 590 space,
adamc@805 591 p_list_sep (box [space, string "and", space]) (p_datatype (E.sgiBinds env sgiAll)) x]
adamc@191 592 | SgiDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 593 let
adamc@156 594 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 595 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 596 in
adamc@156 597 box [string "datatype",
adamc@156 598 space,
adamc@156 599 string x,
adamc@156 600 space,
adamc@156 601 string "=",
adamc@156 602 space,
adamc@156 603 string "datatype",
adamc@156 604 space,
adamc@156 605 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 606 end
adamc@31 607 | SgiVal (x, n, c) => box [string "val",
adamc@31 608 space,
adamc@31 609 p_named x n,
adamc@31 610 space,
adamc@31 611 string ":",
adamc@31 612 space,
adamc@31 613 p_con env c]
adamc@31 614 | SgiStr (x, n, sgn) => box [string "structure",
adamc@31 615 space,
adamc@31 616 p_named x n,
adamc@31 617 space,
adamc@31 618 string ":",
adamc@31 619 space,
adamc@31 620 p_sgn env sgn]
adamc@59 621 | SgiSgn (x, n, sgn) => box [string "signature",
adamc@59 622 space,
adamc@59 623 p_named x n,
adamc@59 624 space,
adamc@59 625 string "=",
adamc@59 626 space,
adamc@59 627 p_sgn env sgn]
adamc@88 628 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 629 space,
adamc@88 630 p_con env c1,
adamc@88 631 space,
adamc@88 632 string "~",
adamc@88 633 space,
adamc@88 634 p_con env c2]
adamc@563 635 | SgiClassAbs (x, n, k) => box [string "class",
adamc@563 636 space,
adamc@563 637 p_named x n,
adamc@563 638 space,
adamc@563 639 string "::",
adamc@563 640 space,
adamc@623 641 p_kind env k]
adamc@563 642 | SgiClass (x, n, k, c) => box [string "class",
adamc@563 643 space,
adamc@563 644 p_named x n,
adamc@563 645 space,
adamc@563 646 string "::",
adamc@563 647 space,
adamc@623 648 p_kind env k,
adamc@563 649 space,
adamc@563 650 string "=",
adamc@563 651 space,
adamc@563 652 p_con env c]
adamc@31 653
adamc@31 654 and p_sgn env (sgn, _) =
adamc@31 655 case sgn of
adamc@31 656 SgnConst sgis => box [string "sig",
adamc@31 657 newline,
adamc@32 658 let
adamc@32 659 val (psgis, _) = ListUtil.foldlMap (fn (sgi, env) =>
adamc@32 660 (p_sgn_item env sgi,
adamc@32 661 E.sgiBinds env sgi))
adamc@32 662 env sgis
adamc@32 663 in
adamc@32 664 p_list_sep newline (fn x => x) psgis
adamc@32 665 end,
adamc@31 666 newline,
adamc@31 667 string "end"]
adamc@88 668 | SgnVar n => ((string (#1 (E.lookupSgnNamed env n)))
adamc@88 669 handle E.UnboundNamed _ => string ("UNBOUND_SGN_" ^ Int.toString n))
adamc@41 670 | SgnFun (x, n, sgn, sgn') => box [string "functor",
adamc@41 671 space,
adamc@41 672 string "(",
adamc@41 673 string x,
adamc@41 674 space,
adamc@41 675 string ":",
adamc@41 676 space,
adamc@41 677 p_sgn env sgn,
adamc@41 678 string ")",
adamc@41 679 space,
adamc@41 680 string ":",
adamc@41 681 space,
adamc@41 682 p_sgn (E.pushStrNamedAs env x n sgn) sgn']
adamc@42 683 | SgnWhere (sgn, x, c) => box [p_sgn env sgn,
adamc@42 684 space,
adamc@42 685 string "where",
adamc@42 686 space,
adamc@42 687 string "con",
adamc@42 688 space,
adamc@42 689 string x,
adamc@42 690 space,
adamc@42 691 string "=",
adamc@42 692 space,
adamc@42 693 p_con env c]
adamc@59 694 | SgnProj (m1, ms, x) =>
adamc@59 695 let
adamc@88 696 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 697 handle E.UnboundNamed _ => "UNBOUND_SGN_" ^ Int.toString m1
adamc@88 698
adamc@59 699 val m1s = if !debug then
adamc@59 700 m1x ^ "__" ^ Int.toString m1
adamc@59 701 else
adamc@59 702 m1x
adamc@88 703 in
adamc@59 704 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@59 705 end
adamc@31 706 | SgnError => string "<ERROR>"
adamc@31 707
adamc@123 708 fun p_vali env (x, n, t, e) = box [p_named x n,
adamc@123 709 space,
adamc@123 710 string ":",
adamc@123 711 space,
adamc@123 712 p_con env t,
adamc@123 713 space,
adamc@123 714 string "=",
adamc@123 715 space,
adamc@123 716 p_exp env e]
adamc@123 717
adamc@447 718
adamc@447 719
adamc@123 720 fun p_decl env (dAll as (d, _) : decl) =
adamc@3 721 case d of
adamc@31 722 DCon (x, n, k, c) => box [string "con",
adamc@31 723 space,
adamc@31 724 p_named x n,
adamc@31 725 space,
adamc@31 726 string "::",
adamc@31 727 space,
adamc@623 728 p_kind env k,
adamc@31 729 space,
adamc@31 730 string "=",
adamc@31 731 space,
adamc@31 732 p_con env c]
adamc@805 733 | DDatatype x => box [string "datatype",
adamc@805 734 space,
adamc@805 735 p_list_sep (box [space, string "and", space]) (p_datatype (E.declBinds env dAll)) x]
adamc@191 736 | DDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 737 let
adamc@156 738 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 739 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 740 in
adamc@156 741 box [string "datatype",
adamc@156 742 space,
adamc@156 743 string x,
adamc@156 744 space,
adamc@156 745 string "=",
adamc@156 746 space,
adamc@156 747 string "datatype",
adamc@156 748 space,
adamc@156 749 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 750 end
adamc@123 751 | DVal vi => box [string "val",
adamc@123 752 space,
adamc@123 753 p_vali env vi]
adamc@123 754 | DValRec vis =>
adamc@123 755 let
adamc@123 756 val env = E.declBinds env dAll
adamc@123 757 in
adamc@123 758 box [string "val",
adamc@123 759 space,
adamc@123 760 string "rec",
adamc@123 761 space,
adamc@123 762 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
adamc@123 763 end
adamc@31 764
adamc@31 765 | DSgn (x, n, sgn) => box [string "signature",
adamc@31 766 space,
adamc@31 767 p_named x n,
adamc@31 768 space,
adamc@31 769 string "=",
adamc@31 770 space,
adamc@31 771 p_sgn env sgn]
adamc@31 772 | DStr (x, n, sgn, str) => box [string "structure",
adamc@31 773 space,
adamc@31 774 p_named x n,
adamc@31 775 space,
adamc@31 776 string ":",
adamc@31 777 space,
adamc@31 778 p_sgn env sgn,
adamc@31 779 space,
adamc@31 780 string "=",
adamc@31 781 space,
adamc@31 782 p_str env str]
adamc@48 783 | DFfiStr (x, n, sgn) => box [string "extern",
adamc@48 784 space,
adamc@48 785 string "structure",
adamc@48 786 space,
adamc@48 787 p_named x n,
adamc@48 788 space,
adamc@48 789 string ":",
adamc@48 790 space,
adamc@48 791 p_sgn env sgn]
adamc@88 792 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 793 space,
adamc@88 794 p_con env c1,
adamc@88 795 space,
adamc@88 796 string "~",
adamc@88 797 space,
adamc@88 798 p_con env c2]
adamc@109 799 | DExport (_, sgn, str) => box [string "export",
adamc@110 800 space,
adamc@109 801 p_str env str,
adamc@109 802 space,
adamc@109 803 string ":",
adamc@109 804 space,
adamc@109 805 p_sgn env sgn]
adamc@707 806 | DTable (_, x, n, c, pe, _, ce, _) => box [string "table",
adamc@707 807 space,
adamc@707 808 p_named x n,
adamc@707 809 space,
adamc@707 810 string ":",
adamc@707 811 space,
adamc@707 812 p_con env c,
adamc@707 813 space,
adamc@707 814 string "keys",
adamc@707 815 space,
adamc@707 816 p_exp env pe,
adamc@707 817 space,
adamc@707 818 string "constraints",
adamc@707 819 space,
adamc@707 820 p_exp env ce]
adamc@338 821 | DSequence (_, x, n) => box [string "sequence",
adamc@338 822 space,
adamc@338 823 p_named x n]
adamc@754 824 | DView (_, x, n, e, _) => box [string "view",
adamc@754 825 space,
adamc@754 826 p_named x n,
adamc@754 827 space,
adamc@754 828 string "as",
adamc@754 829 space,
adamc@754 830 p_exp env e]
adamc@271 831 | DDatabase s => box [string "database",
adamc@271 832 space,
adamc@271 833 string s]
adamc@459 834 | DCookie (_, x, n, c) => box [string "cookie",
adamc@459 835 space,
adamc@459 836 p_named x n,
adamc@459 837 space,
adamc@459 838 string ":",
adamc@459 839 space,
adamc@459 840 p_con env c]
adamc@720 841 | DStyle (_, x, n) => box [string "style",
adamc@720 842 space,
adamc@720 843 p_named x n]
adamc@1075 844 | DTask (e1, e2) => box [string "task",
adamc@1073 845 space,
adamc@1075 846 p_exp env e1,
adamc@1075 847 space,
adamc@1075 848 string "=",
adamc@1075 849 space,
adamc@1075 850 p_exp env e2]
adamc@1199 851 | DPolicy e1 => box [string "policy",
adamc@1199 852 space,
adamc@1199 853 p_exp env e1]
adam@1294 854 | DOnError _ => string "ONERROR"
adamc@31 855
adamc@31 856 and p_str env (str, _) =
adamc@31 857 case str of
adamc@31 858 StrConst ds => box [string "struct",
adamc@31 859 newline,
adamc@32 860 p_file env ds,
adamc@31 861 newline,
adamc@31 862 string "end"]
adamc@88 863 | StrVar n => ((string (#1 (E.lookupStrNamed env n)))
adamc@88 864 handle E.UnboundNamed _ => string ("UNBOUND_STR_" ^ Int.toString n))
adamc@34 865 | StrProj (str, s) => box [p_str env str,
adamc@34 866 string ".",
adamc@34 867 string s]
adamc@41 868 | StrFun (x, n, sgn, sgn', str) =>
adamc@41 869 let
adamc@41 870 val env' = E.pushStrNamedAs env x n sgn
adamc@41 871 in
adamc@41 872 box [string "functor",
adamc@41 873 space,
adamc@41 874 string "(",
adamc@41 875 string x,
adamc@41 876 space,
adamc@41 877 string ":",
adamc@41 878 space,
adamc@41 879 p_sgn env sgn,
adamc@41 880 string ")",
adamc@41 881 space,
adamc@41 882 string ":",
adamc@41 883 space,
adamc@41 884 p_sgn env' sgn',
adamc@41 885 space,
adamc@41 886 string "=>",
adamc@41 887 space,
adamc@41 888 p_str env' str]
adamc@41 889 end
adamc@44 890 | StrApp (str1, str2) => box [p_str env str1,
adamc@44 891 string "(",
adamc@44 892 p_str env str2,
adamc@44 893 string ")"]
adamc@31 894 | StrError => string "<ERROR>"
adamc@3 895
adamc@32 896 and p_file env file =
adamc@3 897 let
adamc@31 898 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 899 (p_decl env d,
adamc@31 900 E.declBinds env d))
adamc@31 901 env file
adamc@3 902 in
adamc@3 903 p_list_sep newline (fn x => x) pds
adamc@3 904 end
adamc@3 905
adamc@3 906 end