Mercurial > urweb

annotate src/elab_print.sml @ 1167:5eca51fcd559

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Remove Basis.getRequestHeader, because it can subvert cookie security
author Adam Chlipala <adamc@hcoop.net>
date Sat, 13 Feb 2010 13:10:05 -0500
parents 0657e5adc938
children c316ca3c9ec6
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@825 426 | 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@825 459 EDVal (p, t, e) => box [string "val",
adamc@825 460 space,
adamc@825 461 p_pat env p,
adamc@825 462 space,
adamc@825 463 string ":",
adamc@825 464 space,
adamc@825 465 p_con env t,
adamc@825 466 space,
adamc@825 467 string "=",
adamc@825 468 space,
adamc@825 469 p_exp env e]
adamc@447 470 | EDValRec vis =>
adamc@447 471 let
adamc@447 472 val env = E.edeclBinds env dAll
adamc@447 473 in
adamc@447 474 box [string "val",
adamc@447 475 space,
adamc@447 476 string "rec",
adamc@447 477 space,
adamc@447 478 p_list_sep (box [newline, string "and", space]) (p_evali env) vis]
adamc@447 479 end
adamc@447 480
adamc@447 481 and p_evali env (x, t, e) = box [string x,
adamc@447 482 space,
adamc@447 483 string ":",
adamc@447 484 space,
adamc@447 485 p_con env t,
adamc@447 486 space,
adamc@447 487 string "=",
adamc@447 488 space,
adamc@447 489 p_exp env e]
adamc@31 490
adamc@191 491 fun p_datatype env (x, n, xs, cons) =
adamc@156 492 let
adamc@191 493 val k = (KType, ErrorMsg.dummySpan)
adamc@191 494 val env = E.pushCNamedAs env x n k NONE
adamc@191 495 val env = foldl (fn (x, env) => E.pushCRel env x k) env xs
adamc@156 496 in
adamc@805 497 box [string x,
adamc@191 498 p_list_sep (box []) (fn x => box [space, string x]) xs,
adamc@156 499 space,
adamc@156 500 string "=",
adamc@156 501 space,
adamc@156 502 p_list_sep (box [space, string "|", space])
adamc@156 503 (fn (x, _, NONE) => string x
adamc@156 504 | (x, _, SOME t) => box [string x, space, string "of", space, p_con env t])
adamc@156 505 cons]
adamc@156 506 end
adamc@156 507
adamc@447 508 fun p_named x n =
adamc@447 509 if !debug then
adamc@447 510 box [string x,
adamc@447 511 string "__",
adamc@447 512 string (Int.toString n)]
adamc@447 513 else
adamc@447 514 string x
adamc@447 515
adamc@805 516 fun p_sgn_item env (sgiAll as (sgi, _)) =
adamc@31 517 case sgi of
adamc@31 518 SgiConAbs (x, n, k) => box [string "con",
adamc@31 519 space,
adamc@31 520 p_named x n,
adamc@31 521 space,
adamc@31 522 string "::",
adamc@31 523 space,
adamc@623 524 p_kind env k]
adamc@31 525 | SgiCon (x, n, k, c) => box [string "con",
adamc@31 526 space,
adamc@31 527 p_named x n,
adamc@31 528 space,
adamc@31 529 string "::",
adamc@31 530 space,
adamc@623 531 p_kind env k,
adamc@31 532 space,
adamc@31 533 string "=",
adamc@31 534 space,
adamc@31 535 p_con env c]
adamc@805 536 | SgiDatatype x => box [string "datatype",
adamc@805 537 space,
adamc@805 538 p_list_sep (box [space, string "and", space]) (p_datatype (E.sgiBinds env sgiAll)) x]
adamc@191 539 | SgiDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 540 let
adamc@156 541 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 542 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 543 in
adamc@156 544 box [string "datatype",
adamc@156 545 space,
adamc@156 546 string x,
adamc@156 547 space,
adamc@156 548 string "=",
adamc@156 549 space,
adamc@156 550 string "datatype",
adamc@156 551 space,
adamc@156 552 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 553 end
adamc@31 554 | SgiVal (x, n, c) => box [string "val",
adamc@31 555 space,
adamc@31 556 p_named x n,
adamc@31 557 space,
adamc@31 558 string ":",
adamc@31 559 space,
adamc@31 560 p_con env c]
adamc@31 561 | SgiStr (x, n, sgn) => box [string "structure",
adamc@31 562 space,
adamc@31 563 p_named x n,
adamc@31 564 space,
adamc@31 565 string ":",
adamc@31 566 space,
adamc@31 567 p_sgn env sgn]
adamc@59 568 | SgiSgn (x, n, sgn) => box [string "signature",
adamc@59 569 space,
adamc@59 570 p_named x n,
adamc@59 571 space,
adamc@59 572 string "=",
adamc@59 573 space,
adamc@59 574 p_sgn env sgn]
adamc@88 575 | SgiConstraint (c1, c2) => box [string "constraint",
adamc@88 576 space,
adamc@88 577 p_con env c1,
adamc@88 578 space,
adamc@88 579 string "~",
adamc@88 580 space,
adamc@88 581 p_con env c2]
adamc@563 582 | SgiClassAbs (x, n, k) => box [string "class",
adamc@563 583 space,
adamc@563 584 p_named x n,
adamc@563 585 space,
adamc@563 586 string "::",
adamc@563 587 space,
adamc@623 588 p_kind env k]
adamc@563 589 | SgiClass (x, n, k, c) => box [string "class",
adamc@563 590 space,
adamc@563 591 p_named x n,
adamc@563 592 space,
adamc@563 593 string "::",
adamc@563 594 space,
adamc@623 595 p_kind env k,
adamc@563 596 space,
adamc@563 597 string "=",
adamc@563 598 space,
adamc@563 599 p_con env c]
adamc@31 600
adamc@31 601 and p_sgn env (sgn, _) =
adamc@31 602 case sgn of
adamc@31 603 SgnConst sgis => box [string "sig",
adamc@31 604 newline,
adamc@32 605 let
adamc@32 606 val (psgis, _) = ListUtil.foldlMap (fn (sgi, env) =>
adamc@32 607 (p_sgn_item env sgi,
adamc@32 608 E.sgiBinds env sgi))
adamc@32 609 env sgis
adamc@32 610 in
adamc@32 611 p_list_sep newline (fn x => x) psgis
adamc@32 612 end,
adamc@31 613 newline,
adamc@31 614 string "end"]
adamc@88 615 | SgnVar n => ((string (#1 (E.lookupSgnNamed env n)))
adamc@88 616 handle E.UnboundNamed _ => string ("UNBOUND_SGN_" ^ Int.toString n))
adamc@41 617 | SgnFun (x, n, sgn, sgn') => box [string "functor",
adamc@41 618 space,
adamc@41 619 string "(",
adamc@41 620 string x,
adamc@41 621 space,
adamc@41 622 string ":",
adamc@41 623 space,
adamc@41 624 p_sgn env sgn,
adamc@41 625 string ")",
adamc@41 626 space,
adamc@41 627 string ":",
adamc@41 628 space,
adamc@41 629 p_sgn (E.pushStrNamedAs env x n sgn) sgn']
adamc@42 630 | SgnWhere (sgn, x, c) => box [p_sgn env sgn,
adamc@42 631 space,
adamc@42 632 string "where",
adamc@42 633 space,
adamc@42 634 string "con",
adamc@42 635 space,
adamc@42 636 string x,
adamc@42 637 space,
adamc@42 638 string "=",
adamc@42 639 space,
adamc@42 640 p_con env c]
adamc@59 641 | SgnProj (m1, ms, x) =>
adamc@59 642 let
adamc@88 643 val m1x = #1 (E.lookupStrNamed env m1)
adamc@88 644 handle E.UnboundNamed _ => "UNBOUND_SGN_" ^ Int.toString m1
adamc@88 645
adamc@59 646 val m1s = if !debug then
adamc@59 647 m1x ^ "__" ^ Int.toString m1
adamc@59 648 else
adamc@59 649 m1x
adamc@88 650 in
adamc@59 651 p_list_sep (string ".") string (m1x :: ms @ [x])
adamc@59 652 end
adamc@31 653 | SgnError => string "<ERROR>"
adamc@31 654
adamc@123 655 fun p_vali env (x, n, t, e) = box [p_named x n,
adamc@123 656 space,
adamc@123 657 string ":",
adamc@123 658 space,
adamc@123 659 p_con env t,
adamc@123 660 space,
adamc@123 661 string "=",
adamc@123 662 space,
adamc@123 663 p_exp env e]
adamc@123 664
adamc@447 665
adamc@447 666
adamc@123 667 fun p_decl env (dAll as (d, _) : decl) =
adamc@3 668 case d of
adamc@31 669 DCon (x, n, k, c) => box [string "con",
adamc@31 670 space,
adamc@31 671 p_named x n,
adamc@31 672 space,
adamc@31 673 string "::",
adamc@31 674 space,
adamc@623 675 p_kind env k,
adamc@31 676 space,
adamc@31 677 string "=",
adamc@31 678 space,
adamc@31 679 p_con env c]
adamc@805 680 | DDatatype x => box [string "datatype",
adamc@805 681 space,
adamc@805 682 p_list_sep (box [space, string "and", space]) (p_datatype (E.declBinds env dAll)) x]
adamc@191 683 | DDatatypeImp (x, _, m1, ms, x', _, _) =>
adamc@156 684 let
adamc@156 685 val m1x = #1 (E.lookupStrNamed env m1)
adamc@156 686 handle E.UnboundNamed _ => "UNBOUND_STR_" ^ Int.toString m1
adamc@156 687 in
adamc@156 688 box [string "datatype",
adamc@156 689 space,
adamc@156 690 string x,
adamc@156 691 space,
adamc@156 692 string "=",
adamc@156 693 space,
adamc@156 694 string "datatype",
adamc@156 695 space,
adamc@156 696 p_list_sep (string ".") string (m1x :: ms @ [x'])]
adamc@156 697 end
adamc@123 698 | DVal vi => box [string "val",
adamc@123 699 space,
adamc@123 700 p_vali env vi]
adamc@123 701 | DValRec vis =>
adamc@123 702 let
adamc@123 703 val env = E.declBinds env dAll
adamc@123 704 in
adamc@123 705 box [string "val",
adamc@123 706 space,
adamc@123 707 string "rec",
adamc@123 708 space,
adamc@123 709 p_list_sep (box [newline, string "and", space]) (p_vali env) vis]
adamc@123 710 end
adamc@31 711
adamc@31 712 | DSgn (x, n, sgn) => box [string "signature",
adamc@31 713 space,
adamc@31 714 p_named x n,
adamc@31 715 space,
adamc@31 716 string "=",
adamc@31 717 space,
adamc@31 718 p_sgn env sgn]
adamc@31 719 | DStr (x, n, sgn, str) => box [string "structure",
adamc@31 720 space,
adamc@31 721 p_named x n,
adamc@31 722 space,
adamc@31 723 string ":",
adamc@31 724 space,
adamc@31 725 p_sgn env sgn,
adamc@31 726 space,
adamc@31 727 string "=",
adamc@31 728 space,
adamc@31 729 p_str env str]
adamc@48 730 | DFfiStr (x, n, sgn) => box [string "extern",
adamc@48 731 space,
adamc@48 732 string "structure",
adamc@48 733 space,
adamc@48 734 p_named x n,
adamc@48 735 space,
adamc@48 736 string ":",
adamc@48 737 space,
adamc@48 738 p_sgn env sgn]
adamc@88 739 | DConstraint (c1, c2) => box [string "constraint",
adamc@88 740 space,
adamc@88 741 p_con env c1,
adamc@88 742 space,
adamc@88 743 string "~",
adamc@88 744 space,
adamc@88 745 p_con env c2]
adamc@109 746 | DExport (_, sgn, str) => box [string "export",
adamc@110 747 space,
adamc@109 748 p_str env str,
adamc@109 749 space,
adamc@109 750 string ":",
adamc@109 751 space,
adamc@109 752 p_sgn env sgn]
adamc@707 753 | DTable (_, x, n, c, pe, _, ce, _) => box [string "table",
adamc@707 754 space,
adamc@707 755 p_named x n,
adamc@707 756 space,
adamc@707 757 string ":",
adamc@707 758 space,
adamc@707 759 p_con env c,
adamc@707 760 space,
adamc@707 761 string "keys",
adamc@707 762 space,
adamc@707 763 p_exp env pe,
adamc@707 764 space,
adamc@707 765 string "constraints",
adamc@707 766 space,
adamc@707 767 p_exp env ce]
adamc@338 768 | DSequence (_, x, n) => box [string "sequence",
adamc@338 769 space,
adamc@338 770 p_named x n]
adamc@754 771 | DView (_, x, n, e, _) => box [string "view",
adamc@754 772 space,
adamc@754 773 p_named x n,
adamc@754 774 space,
adamc@754 775 string "as",
adamc@754 776 space,
adamc@754 777 p_exp env e]
adamc@563 778 | DClass (x, n, k, c) => box [string "class",
adamc@563 779 space,
adamc@563 780 p_named x n,
adamc@563 781 space,
adamc@563 782 string "::",
adamc@563 783 space,
adamc@623 784 p_kind env k,
adamc@563 785 space,
adamc@563 786 string "=",
adamc@563 787 space,
adamc@563 788 p_con env c]
adamc@271 789 | DDatabase s => box [string "database",
adamc@271 790 space,
adamc@271 791 string s]
adamc@459 792 | DCookie (_, x, n, c) => box [string "cookie",
adamc@459 793 space,
adamc@459 794 p_named x n,
adamc@459 795 space,
adamc@459 796 string ":",
adamc@459 797 space,
adamc@459 798 p_con env c]
adamc@720 799 | DStyle (_, x, n) => box [string "style",
adamc@720 800 space,
adamc@720 801 p_named x n]
adamc@1075 802 | DTask (e1, e2) => box [string "task",
adamc@1073 803 space,
adamc@1075 804 p_exp env e1,
adamc@1075 805 space,
adamc@1075 806 string "=",
adamc@1075 807 space,
adamc@1075 808 p_exp env e2]
adamc@31 809
adamc@31 810 and p_str env (str, _) =
adamc@31 811 case str of
adamc@31 812 StrConst ds => box [string "struct",
adamc@31 813 newline,
adamc@32 814 p_file env ds,
adamc@31 815 newline,
adamc@31 816 string "end"]
adamc@88 817 | StrVar n => ((string (#1 (E.lookupStrNamed env n)))
adamc@88 818 handle E.UnboundNamed _ => string ("UNBOUND_STR_" ^ Int.toString n))
adamc@34 819 | StrProj (str, s) => box [p_str env str,
adamc@34 820 string ".",
adamc@34 821 string s]
adamc@41 822 | StrFun (x, n, sgn, sgn', str) =>
adamc@41 823 let
adamc@41 824 val env' = E.pushStrNamedAs env x n sgn
adamc@41 825 in
adamc@41 826 box [string "functor",
adamc@41 827 space,
adamc@41 828 string "(",
adamc@41 829 string x,
adamc@41 830 space,
adamc@41 831 string ":",
adamc@41 832 space,
adamc@41 833 p_sgn env sgn,
adamc@41 834 string ")",
adamc@41 835 space,
adamc@41 836 string ":",
adamc@41 837 space,
adamc@41 838 p_sgn env' sgn',
adamc@41 839 space,
adamc@41 840 string "=>",
adamc@41 841 space,
adamc@41 842 p_str env' str]
adamc@41 843 end
adamc@44 844 | StrApp (str1, str2) => box [p_str env str1,
adamc@44 845 string "(",
adamc@44 846 p_str env str2,
adamc@44 847 string ")"]
adamc@31 848 | StrError => string "<ERROR>"
adamc@3 849
adamc@32 850 and p_file env file =
adamc@3 851 let
adamc@31 852 val (pds, _) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 853 (p_decl env d,
adamc@31 854 E.declBinds env d))
adamc@31 855 env file
adamc@3 856 in
adamc@3 857 p_list_sep newline (fn x => x) pds
adamc@3 858 end
adamc@3 859
adamc@3 860 end