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annotate src/elab_util.sml @ 805:e2780d2f4afc

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Mutual datatypes through Elaborate
author Adam Chlipala <adamc@hcoop.net>
date Sat, 16 May 2009 15:14:17 -0400
parents d20d6afc1206
children 7f871c03e3a1
rev   line source
adamc@2 1 (* Copyright (c) 2008, Adam Chlipala
adamc@2 2 * All rights reserved.
adamc@2 3 *
adamc@2 4 * Redistribution and use in source and binary forms, with or without
adamc@2 5 * modification, are permitted provided that the following conditions are met:
adamc@2 6 *
adamc@2 7 * - Redistributions of source code must retain the above copyright notice,
adamc@2 8 * this list of conditions and the following disclaimer.
adamc@2 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@2 10 * this list of conditions and the following disclaimer in the documentation
adamc@2 11 * and/or other materials provided with the distribution.
adamc@2 12 * - The names of contributors may not be used to endorse or promote products
adamc@2 13 * derived from this software without specific prior written permission.
adamc@2 14 *
adamc@2 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@2 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@2 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@2 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@2 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@2 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@2 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@2 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@2 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@2 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@2 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@2 26 *)
adamc@2 27
adamc@2 28 structure ElabUtil :> ELAB_UTIL = struct
adamc@2 29
adamc@2 30 open Elab
adamc@2 31
adamc@188 32 fun classifyDatatype xncs =
adamc@198 33 case xncs of
adamc@198 34 [(_, _, NONE), (_, _, SOME _)] => Option
adamc@198 35 | [(_, _, SOME _), (_, _, NONE)] => Option
adamc@198 36 | _ =>
adamc@198 37 if List.all (fn (_, _, NONE) => true | _ => false) xncs then
adamc@198 38 Enum
adamc@198 39 else
adamc@198 40 Default
adamc@188 41
adamc@2 42 structure S = Search
adamc@2 43
adamc@2 44 structure Kind = struct
adamc@2 45
adamc@623 46 fun mapfoldB {kind, bind} =
adamc@2 47 let
adamc@623 48 fun mfk ctx k acc =
adamc@623 49 S.bindP (mfk' ctx k acc, kind ctx)
adamc@2 50
adamc@623 51 and mfk' ctx (kAll as (k, loc)) =
adamc@2 52 case k of
adamc@2 53 KType => S.return2 kAll
adamc@2 54
adamc@2 55 | KArrow (k1, k2) =>
adamc@623 56 S.bind2 (mfk ctx k1,
adamc@2 57 fn k1' =>
adamc@623 58 S.map2 (mfk ctx k2,
adamc@2 59 fn k2' =>
adamc@2 60 (KArrow (k1', k2'), loc)))
adamc@2 61
adamc@2 62 | KName => S.return2 kAll
adamc@2 63
adamc@2 64 | KRecord k =>
adamc@623 65 S.map2 (mfk ctx k,
adamc@2 66 fn k' =>
adamc@2 67 (KRecord k', loc))
adamc@2 68
adamc@82 69 | KUnit => S.return2 kAll
adamc@82 70
adamc@207 71 | KTuple ks =>
adamc@623 72 S.map2 (ListUtil.mapfold (mfk ctx) ks,
adamc@207 73 fn ks' =>
adamc@207 74 (KTuple ks', loc))
adamc@207 75
adamc@2 76 | KError => S.return2 kAll
adamc@2 77
adamc@623 78 | KUnif (_, _, ref (SOME k)) => mfk' ctx k
adamc@2 79 | KUnif _ => S.return2 kAll
adamc@623 80
adamc@623 81 | KRel _ => S.return2 kAll
adamc@623 82 | KFun (x, k) =>
adamc@623 83 S.map2 (mfk (bind (ctx, x)) k,
adamc@623 84 fn k' =>
adamc@623 85 (KFun (x, k'), loc))
adamc@2 86 in
adamc@2 87 mfk
adamc@2 88 end
adamc@2 89
adamc@623 90 fun mapfold fk =
adamc@623 91 mapfoldB {kind = fn () => fk,
adamc@623 92 bind = fn ((), _) => ()} ()
adamc@623 93
adamc@623 94 fun mapB {kind, bind} ctx k =
adamc@623 95 case mapfoldB {kind = fn ctx => fn k => fn () => S.Continue (kind ctx k, ()),
adamc@623 96 bind = bind} ctx k () of
adamc@623 97 S.Continue (k, ()) => k
adamc@623 98 | S.Return _ => raise Fail "ElabUtil.Kind.mapB: Impossible"
adamc@623 99
adamc@2 100 fun exists f k =
adamc@6 101 case mapfold (fn k => fn () =>
adamc@6 102 if f k then
adamc@6 103 S.Return ()
adamc@6 104 else
adamc@6 105 S.Continue (k, ())) k () of
adamc@6 106 S.Return _ => true
adamc@6 107 | S.Continue _ => false
adamc@6 108
adamc@6 109 end
adamc@6 110
adamc@6 111 structure Con = struct
adamc@6 112
adamc@11 113 datatype binder =
adamc@623 114 RelK of string
adamc@623 115 | RelC of string * Elab.kind
adamc@792 116 | NamedC of string * int * Elab.kind * Elab.con option
adamc@11 117
adamc@11 118 fun mapfoldB {kind = fk, con = fc, bind} =
adamc@6 119 let
adamc@623 120 val mfk = Kind.mapfoldB {kind = fk, bind = fn (ctx, s) => bind (ctx, RelK s)}
adamc@6 121
adamc@11 122 fun mfc ctx c acc =
adamc@11 123 S.bindP (mfc' ctx c acc, fc ctx)
adamc@6 124
adamc@11 125 and mfc' ctx (cAll as (c, loc)) =
adamc@6 126 case c of
adamc@6 127 TFun (c1, c2) =>
adamc@11 128 S.bind2 (mfc ctx c1,
adamc@6 129 fn c1' =>
adamc@11 130 S.map2 (mfc ctx c2,
adamc@6 131 fn c2' =>
adamc@6 132 (TFun (c1', c2'), loc)))
adamc@6 133 | TCFun (e, x, k, c) =>
adamc@623 134 S.bind2 (mfk ctx k,
adamc@6 135 fn k' =>
adamc@623 136 S.map2 (mfc (bind (ctx, RelC (x, k))) c,
adamc@6 137 fn c' =>
adamc@6 138 (TCFun (e, x, k', c'), loc)))
adamc@628 139 | TDisjoint (c1, c2, c3) =>
adamc@85 140 S.bind2 (mfc ctx c1,
adamc@85 141 fn c1' =>
adamc@85 142 S.bind2 (mfc ctx c2,
adamc@85 143 fn c2' =>
adamc@85 144 S.map2 (mfc ctx c3,
adamc@85 145 fn c3' =>
adamc@628 146 (TDisjoint (c1', c2', c3'), loc))))
adamc@6 147 | TRecord c =>
adamc@11 148 S.map2 (mfc ctx c,
adamc@6 149 fn c' =>
adamc@6 150 (TRecord c', loc))
adamc@6 151
adamc@6 152 | CRel _ => S.return2 cAll
adamc@6 153 | CNamed _ => S.return2 cAll
adamc@34 154 | CModProj _ => S.return2 cAll
adamc@6 155 | CApp (c1, c2) =>
adamc@11 156 S.bind2 (mfc ctx c1,
adamc@6 157 fn c1' =>
adamc@11 158 S.map2 (mfc ctx c2,
adamc@6 159 fn c2' =>
adamc@6 160 (CApp (c1', c2'), loc)))
adamc@8 161 | CAbs (x, k, c) =>
adamc@623 162 S.bind2 (mfk ctx k,
adamc@6 163 fn k' =>
adamc@623 164 S.map2 (mfc (bind (ctx, RelC (x, k))) c,
adamc@6 165 fn c' =>
adamc@8 166 (CAbs (x, k', c'), loc)))
adamc@6 167
adamc@6 168 | CName _ => S.return2 cAll
adamc@6 169
adamc@6 170 | CRecord (k, xcs) =>
adamc@623 171 S.bind2 (mfk ctx k,
adamc@6 172 fn k' =>
adamc@6 173 S.map2 (ListUtil.mapfold (fn (x, c) =>
adamc@11 174 S.bind2 (mfc ctx x,
adamc@6 175 fn x' =>
adamc@11 176 S.map2 (mfc ctx c,
adamc@6 177 fn c' =>
adamc@6 178 (x', c'))))
adamc@6 179 xcs,
adamc@6 180 fn xcs' =>
adamc@6 181 (CRecord (k', xcs'), loc)))
adamc@6 182 | CConcat (c1, c2) =>
adamc@11 183 S.bind2 (mfc ctx c1,
adamc@6 184 fn c1' =>
adamc@11 185 S.map2 (mfc ctx c2,
adamc@6 186 fn c2' =>
adamc@6 187 (CConcat (c1', c2'), loc)))
adamc@621 188 | CMap (k1, k2) =>
adamc@623 189 S.bind2 (mfk ctx k1,
adamc@67 190 fn k1' =>
adamc@623 191 S.map2 (mfk ctx k2,
adamc@67 192 fn k2' =>
adamc@621 193 (CMap (k1', k2'), loc)))
adamc@6 194
adamc@82 195 | CUnit => S.return2 cAll
adamc@82 196
adamc@207 197 | CTuple cs =>
adamc@207 198 S.map2 (ListUtil.mapfold (mfc ctx) cs,
adamc@207 199 fn cs' =>
adamc@207 200 (CTuple cs', loc))
adamc@207 201
adamc@207 202 | CProj (c, n) =>
adamc@207 203 S.map2 (mfc ctx c,
adamc@207 204 fn c' =>
adamc@207 205 (CProj (c', n), loc))
adamc@207 206
adamc@6 207 | CError => S.return2 cAll
adamc@76 208 | CUnif (_, _, _, ref (SOME c)) => mfc' ctx c
adamc@6 209 | CUnif _ => S.return2 cAll
adamc@623 210
adamc@623 211 | CKAbs (x, c) =>
adamc@623 212 S.map2 (mfc (bind (ctx, RelK x)) c,
adamc@623 213 fn c' =>
adamc@623 214 (CKAbs (x, c'), loc))
adamc@623 215 | CKApp (c, k) =>
adamc@623 216 S.bind2 (mfc ctx c,
adamc@623 217 fn c' =>
adamc@623 218 S.map2 (mfk ctx k,
adamc@623 219 fn k' =>
adamc@623 220 (CKApp (c', k'), loc)))
adamc@623 221 | TKFun (x, c) =>
adamc@623 222 S.map2 (mfc (bind (ctx, RelK x)) c,
adamc@623 223 fn c' =>
adamc@623 224 (TKFun (x, c'), loc))
adamc@6 225 in
adamc@6 226 mfc
adamc@6 227 end
adamc@6 228
adamc@11 229 fun mapfold {kind = fk, con = fc} =
adamc@623 230 mapfoldB {kind = fn () => fk,
adamc@11 231 con = fn () => fc,
adamc@11 232 bind = fn ((), _) => ()} ()
adamc@11 233
adamc@11 234 fun mapB {kind, con, bind} ctx c =
adamc@623 235 case mapfoldB {kind = fn ctx => fn k => fn () => S.Continue (kind ctx k, ()),
adamc@11 236 con = fn ctx => fn c => fn () => S.Continue (con ctx c, ()),
adamc@11 237 bind = bind} ctx c () of
adamc@11 238 S.Continue (c, ()) => c
adamc@34 239 | S.Return _ => raise Fail "ElabUtil.Con.mapB: Impossible"
adamc@34 240
adamc@34 241 fun map {kind, con} s =
adamc@34 242 case mapfold {kind = fn k => fn () => S.Continue (kind k, ()),
adamc@34 243 con = fn c => fn () => S.Continue (con c, ())} s () of
adamc@34 244 S.Return () => raise Fail "ElabUtil.Con.map: Impossible"
adamc@34 245 | S.Continue (s, ()) => s
adamc@11 246
adamc@711 247 fun existsB {kind, con, bind} ctx c =
adamc@711 248 case mapfoldB {kind = fn ctx => fn k => fn () =>
adamc@711 249 if kind (ctx, k) then
adamc@711 250 S.Return ()
adamc@711 251 else
adamc@711 252 S.Continue (k, ()),
adamc@711 253 con = fn ctx => fn c => fn () =>
adamc@711 254 if con (ctx, c) then
adamc@711 255 S.Return ()
adamc@711 256 else
adamc@711 257 S.Continue (c, ()),
adamc@711 258 bind = bind} ctx c () of
adamc@711 259 S.Return _ => true
adamc@711 260 | S.Continue _ => false
adamc@711 261
adamc@711 262 fun exists {kind, con} c =
adamc@6 263 case mapfold {kind = fn k => fn () =>
adamc@6 264 if kind k then
adamc@6 265 S.Return ()
adamc@6 266 else
adamc@6 267 S.Continue (k, ()),
adamc@6 268 con = fn c => fn () =>
adamc@6 269 if con c then
adamc@6 270 S.Return ()
adamc@6 271 else
adamc@711 272 S.Continue (c, ())} c () of
adamc@2 273 S.Return _ => true
adamc@2 274 | S.Continue _ => false
adamc@2 275
adamc@448 276 fun foldB {kind, con, bind} ctx st c =
adamc@623 277 case mapfoldB {kind = fn ctx => fn k => fn st => S.Continue (k, kind (ctx, k, st)),
adamc@448 278 con = fn ctx => fn c => fn st => S.Continue (c, con (ctx, c, st)),
adamc@448 279 bind = bind} ctx c st of
adamc@448 280 S.Continue (_, st) => st
adamc@448 281 | S.Return _ => raise Fail "ElabUtil.Con.foldB: Impossible"
adamc@448 282
adamc@2 283 end
adamc@2 284
adamc@10 285 structure Exp = struct
adamc@10 286
adamc@11 287 datatype binder =
adamc@623 288 RelK of string
adamc@623 289 | RelC of string * Elab.kind
adamc@792 290 | NamedC of string * int * Elab.kind * Elab.con option
adamc@11 291 | RelE of string * Elab.con
adamc@11 292 | NamedE of string * Elab.con
adamc@11 293
adamc@11 294 fun mapfoldB {kind = fk, con = fc, exp = fe, bind} =
adamc@10 295 let
adamc@623 296 val mfk = Kind.mapfoldB {kind = fk, bind = fn (ctx, x) => bind (ctx, RelK x)}
adamc@10 297
adamc@11 298 fun bind' (ctx, b) =
adamc@11 299 let
adamc@11 300 val b' = case b of
adamc@623 301 Con.RelK x => RelK x
adamc@623 302 | Con.RelC x => RelC x
adamc@623 303 | Con.NamedC x => NamedC x
adamc@11 304 in
adamc@11 305 bind (ctx, b')
adamc@11 306 end
adamc@11 307 val mfc = Con.mapfoldB {kind = fk, con = fc, bind = bind'}
adamc@10 308
adamc@11 309 fun mfe ctx e acc =
adamc@11 310 S.bindP (mfe' ctx e acc, fe ctx)
adamc@11 311
adamc@11 312 and mfe' ctx (eAll as (e, loc)) =
adamc@10 313 case e of
adamc@14 314 EPrim _ => S.return2 eAll
adamc@14 315 | ERel _ => S.return2 eAll
adamc@10 316 | ENamed _ => S.return2 eAll
adamc@34 317 | EModProj _ => S.return2 eAll
adamc@10 318 | EApp (e1, e2) =>
adamc@11 319 S.bind2 (mfe ctx e1,
adamc@10 320 fn e1' =>
adamc@11 321 S.map2 (mfe ctx e2,
adamc@10 322 fn e2' =>
adamc@10 323 (EApp (e1', e2'), loc)))
adamc@26 324 | EAbs (x, dom, ran, e) =>
adamc@26 325 S.bind2 (mfc ctx dom,
adamc@26 326 fn dom' =>
adamc@26 327 S.bind2 (mfc ctx ran,
adamc@26 328 fn ran' =>
adamc@26 329 S.map2 (mfe (bind (ctx, RelE (x, dom'))) e,
adamc@26 330 fn e' =>
adamc@26 331 (EAbs (x, dom', ran', e'), loc))))
adamc@26 332
adamc@10 333 | ECApp (e, c) =>
adamc@11 334 S.bind2 (mfe ctx e,
adamc@10 335 fn e' =>
adamc@11 336 S.map2 (mfc ctx c,
adamc@10 337 fn c' =>
adamc@10 338 (ECApp (e', c'), loc)))
adamc@10 339 | ECAbs (expl, x, k, e) =>
adamc@623 340 S.bind2 (mfk ctx k,
adamc@10 341 fn k' =>
adamc@11 342 S.map2 (mfe (bind (ctx, RelC (x, k))) e,
adamc@10 343 fn e' =>
adamc@10 344 (ECAbs (expl, x, k', e'), loc)))
adamc@10 345
adamc@12 346 | ERecord xes =>
adamc@29 347 S.map2 (ListUtil.mapfold (fn (x, e, t) =>
adamc@12 348 S.bind2 (mfc ctx x,
adamc@12 349 fn x' =>
adamc@29 350 S.bind2 (mfe ctx e,
adamc@12 351 fn e' =>
adamc@29 352 S.map2 (mfc ctx t,
adamc@29 353 fn t' =>
adamc@29 354 (x', e', t')))))
adamc@12 355 xes,
adamc@12 356 fn xes' =>
adamc@12 357 (ERecord xes', loc))
adamc@12 358 | EField (e, c, {field, rest}) =>
adamc@12 359 S.bind2 (mfe ctx e,
adamc@12 360 fn e' =>
adamc@12 361 S.bind2 (mfc ctx c,
adamc@12 362 fn c' =>
adamc@12 363 S.bind2 (mfc ctx field,
adamc@12 364 fn field' =>
adamc@12 365 S.map2 (mfc ctx rest,
adamc@12 366 fn rest' =>
adamc@12 367 (EField (e', c', {field = field', rest = rest'}), loc)))))
adamc@445 368 | EConcat (e1, c1, e2, c2) =>
adamc@339 369 S.bind2 (mfe ctx e1,
adamc@339 370 fn e1' =>
adamc@445 371 S.bind2 (mfc ctx c1,
adamc@445 372 fn c1' =>
adamc@339 373 S.bind2 (mfe ctx e2,
adamc@339 374 fn e2' =>
adamc@445 375 S.map2 (mfc ctx c2,
adamc@445 376 fn c2' =>
adamc@445 377 (EConcat (e1', c1', e2', c2'),
adamc@445 378 loc)))))
adamc@149 379 | ECut (e, c, {field, rest}) =>
adamc@149 380 S.bind2 (mfe ctx e,
adamc@149 381 fn e' =>
adamc@149 382 S.bind2 (mfc ctx c,
adamc@149 383 fn c' =>
adamc@149 384 S.bind2 (mfc ctx field,
adamc@149 385 fn field' =>
adamc@149 386 S.map2 (mfc ctx rest,
adamc@149 387 fn rest' =>
adamc@149 388 (ECut (e', c', {field = field', rest = rest'}), loc)))))
adamc@12 389
adamc@493 390 | ECutMulti (e, c, {rest}) =>
adamc@493 391 S.bind2 (mfe ctx e,
adamc@493 392 fn e' =>
adamc@493 393 S.bind2 (mfc ctx c,
adamc@493 394 fn c' =>
adamc@493 395 S.map2 (mfc ctx rest,
adamc@493 396 fn rest' =>
adamc@493 397 (ECutMulti (e', c', {rest = rest'}), loc))))
adamc@493 398
adamc@182 399 | ECase (e, pes, {disc, result}) =>
adamc@171 400 S.bind2 (mfe ctx e,
adamc@171 401 fn e' =>
adamc@171 402 S.bind2 (ListUtil.mapfold (fn (p, e) =>
adamc@448 403 let
adamc@448 404 fun pb ((p, _), ctx) =
adamc@448 405 case p of
adamc@448 406 PWild => ctx
adamc@448 407 | PVar (x, t) => bind (ctx, RelE (x, t))
adamc@448 408 | PPrim _ => ctx
adamc@448 409 | PCon (_, _, _, NONE) => ctx
adamc@448 410 | PCon (_, _, _, SOME p) => pb (p, ctx)
adamc@448 411 | PRecord xps => foldl (fn ((_, p, _), ctx) =>
adamc@448 412 pb (p, ctx)) ctx xps
adamc@448 413 in
adamc@448 414 S.map2 (mfe (pb (p, ctx)) e,
adamc@448 415 fn e' => (p, e'))
adamc@448 416 end) pes,
adamc@171 417 fn pes' =>
adamc@182 418 S.bind2 (mfc ctx disc,
adamc@182 419 fn disc' =>
adamc@182 420 S.map2 (mfc ctx result,
adamc@182 421 fn result' =>
adamc@182 422 (ECase (e', pes', {disc = disc', result = result'}), loc)))))
adamc@171 423
adamc@10 424 | EError => S.return2 eAll
adamc@228 425 | EUnif (ref (SOME e)) => mfe ctx e
adamc@228 426 | EUnif _ => S.return2 eAll
adamc@447 427
adamc@447 428 | ELet (des, e) =>
adamc@447 429 let
adamc@447 430 val (des, ctx) = foldl (fn (ed, (des, ctx)) =>
adamc@453 431 let
adamc@453 432 val ctx' =
adamc@453 433 case #1 ed of
adamc@453 434 EDVal (x, t, _) => bind (ctx, RelE (x, t))
adamc@453 435 | EDValRec vis =>
adamc@453 436 foldl (fn ((x, t, _), ctx) => bind (ctx, RelE (x, t))) ctx vis
adamc@453 437 in
adamc@453 438 (S.bind2 (des,
adamc@453 439 fn des' =>
adamc@453 440 S.map2 (mfed ctx ed,
adamc@447 441 fn ed' => des' @ [ed'])),
adamc@453 442 ctx')
adamc@453 443 end)
adamc@447 444 (S.return2 [], ctx) des
adamc@447 445 in
adamc@447 446 S.bind2 (des,
adamc@447 447 fn des' =>
adamc@447 448 S.map2 (mfe ctx e,
adamc@447 449 fn e' =>
adamc@447 450 (ELet (des', e'), loc)))
adamc@447 451 end
adamc@447 452
adamc@623 453 | EKAbs (x, e) =>
adamc@623 454 S.map2 (mfe (bind (ctx, RelK x)) e,
adamc@623 455 fn e' =>
adamc@623 456 (EKAbs (x, e'), loc))
adamc@623 457 | EKApp (e, k) =>
adamc@623 458 S.bind2 (mfe ctx e,
adamc@623 459 fn e' =>
adamc@623 460 S.map2 (mfk ctx k,
adamc@623 461 fn k' =>
adamc@623 462 (EKApp (e', k'), loc)))
adamc@623 463
adamc@447 464 and mfed ctx (dAll as (d, loc)) =
adamc@447 465 case d of
adamc@447 466 EDVal vi =>
adamc@447 467 S.map2 (mfvi ctx vi,
adamc@447 468 fn vi' =>
adamc@447 469 (EDVal vi', loc))
adamc@447 470 | EDValRec vis =>
adamc@447 471 let
adamc@453 472 val ctx = foldl (fn ((x, t, _), ctx) => bind (ctx, RelE (x, t))) ctx vis
adamc@447 473 in
adamc@447 474 S.map2 (ListUtil.mapfold (mfvi ctx) vis,
adamc@447 475 fn vis' =>
adamc@447 476 (EDValRec vis', loc))
adamc@447 477 end
adamc@447 478
adamc@447 479 and mfvi ctx (x, c, e) =
adamc@447 480 S.bind2 (mfc ctx c,
adamc@447 481 fn c' =>
adamc@447 482 S.map2 (mfe ctx e,
adamc@447 483 fn e' =>
adamc@447 484 (x, c', e')))
adamc@10 485 in
adamc@10 486 mfe
adamc@10 487 end
adamc@10 488
adamc@11 489 fun mapfold {kind = fk, con = fc, exp = fe} =
adamc@623 490 mapfoldB {kind = fn () => fk,
adamc@11 491 con = fn () => fc,
adamc@11 492 exp = fn () => fe,
adamc@11 493 bind = fn ((), _) => ()} ()
adamc@11 494
adamc@10 495 fun exists {kind, con, exp} k =
adamc@10 496 case mapfold {kind = fn k => fn () =>
adamc@10 497 if kind k then
adamc@10 498 S.Return ()
adamc@10 499 else
adamc@10 500 S.Continue (k, ()),
adamc@10 501 con = fn c => fn () =>
adamc@10 502 if con c then
adamc@10 503 S.Return ()
adamc@10 504 else
adamc@10 505 S.Continue (c, ()),
adamc@10 506 exp = fn e => fn () =>
adamc@10 507 if exp e then
adamc@10 508 S.Return ()
adamc@10 509 else
adamc@10 510 S.Continue (e, ())} k () of
adamc@10 511 S.Return _ => true
adamc@10 512 | S.Continue _ => false
adamc@10 513
adamc@211 514 fun mapB {kind, con, exp, bind} ctx e =
adamc@623 515 case mapfoldB {kind = fn ctx => fn k => fn () => S.Continue (kind ctx k, ()),
adamc@211 516 con = fn ctx => fn c => fn () => S.Continue (con ctx c, ()),
adamc@211 517 exp = fn ctx => fn e => fn () => S.Continue (exp ctx e, ()),
adamc@211 518 bind = bind} ctx e () of
adamc@211 519 S.Continue (e, ()) => e
adamc@211 520 | S.Return _ => raise Fail "ElabUtil.Exp.mapB: Impossible"
adamc@211 521
adamc@448 522 fun foldB {kind, con, exp, bind} ctx st e =
adamc@623 523 case mapfoldB {kind = fn ctx => fn k => fn st => S.Continue (k, kind (ctx, k, st)),
adamc@448 524 con = fn ctx => fn c => fn st => S.Continue (c, con (ctx, c, st)),
adamc@448 525 exp = fn ctx => fn e => fn st => S.Continue (e, exp (ctx, e, st)),
adamc@448 526 bind = bind} ctx e st of
adamc@448 527 S.Continue (_, st) => st
adamc@448 528 | S.Return _ => raise Fail "ElabUtil.Exp.foldB: Impossible"
adamc@448 529
adamc@10 530 end
adamc@10 531
adamc@34 532 structure Sgn = struct
adamc@34 533
adamc@34 534 datatype binder =
adamc@623 535 RelK of string
adamc@623 536 | RelC of string * Elab.kind
adamc@792 537 | NamedC of string * int * Elab.kind * Elab.con option
adamc@792 538 | Str of string * int * Elab.sgn
adamc@792 539 | Sgn of string * int * Elab.sgn
adamc@34 540
adamc@34 541 fun mapfoldB {kind, con, sgn_item, sgn, bind} =
adamc@34 542 let
adamc@34 543 fun bind' (ctx, b) =
adamc@34 544 let
adamc@34 545 val b' = case b of
adamc@623 546 Con.RelK x => RelK x
adamc@623 547 | Con.RelC x => RelC x
adamc@623 548 | Con.NamedC x => NamedC x
adamc@34 549 in
adamc@34 550 bind (ctx, b')
adamc@34 551 end
adamc@34 552 val con = Con.mapfoldB {kind = kind, con = con, bind = bind'}
adamc@34 553
adamc@623 554 val kind = Kind.mapfoldB {kind = kind, bind = fn (ctx, x) => bind (ctx, RelK x)}
adamc@34 555
adamc@34 556 fun sgi ctx si acc =
adamc@34 557 S.bindP (sgi' ctx si acc, sgn_item ctx)
adamc@34 558
adamc@156 559 and sgi' ctx (siAll as (si, loc)) =
adamc@34 560 case si of
adamc@34 561 SgiConAbs (x, n, k) =>
adamc@623 562 S.map2 (kind ctx k,
adamc@34 563 fn k' =>
adamc@34 564 (SgiConAbs (x, n, k'), loc))
adamc@34 565 | SgiCon (x, n, k, c) =>
adamc@623 566 S.bind2 (kind ctx k,
adamc@34 567 fn k' =>
adamc@34 568 S.map2 (con ctx c,
adamc@34 569 fn c' =>
adamc@34 570 (SgiCon (x, n, k', c'), loc)))
adamc@805 571 | SgiDatatype dts =>
adamc@805 572 S.map2 (ListUtil.mapfold (fn (x, n, xs, xncs) =>
adamc@805 573 S.map2 (ListUtil.mapfold (fn (x, n, c) =>
adamc@805 574 case c of
adamc@805 575 NONE => S.return2 (x, n, c)
adamc@805 576 | SOME c =>
adamc@805 577 S.map2 (con ctx c,
adamc@805 578 fn c' => (x, n, SOME c'))) xncs,
adamc@805 579 fn xncs' => (x, n, xs, xncs'))) dts,
adamc@805 580 fn dts' =>
adamc@805 581 (SgiDatatype dts', loc))
adamc@191 582 | SgiDatatypeImp (x, n, m1, ms, s, xs, xncs) =>
adamc@162 583 S.map2 (ListUtil.mapfold (fn (x, n, c) =>
adamc@162 584 case c of
adamc@162 585 NONE => S.return2 (x, n, c)
adamc@162 586 | SOME c =>
adamc@162 587 S.map2 (con ctx c,
adamc@162 588 fn c' => (x, n, SOME c'))) xncs,
adamc@162 589 fn xncs' =>
adamc@191 590 (SgiDatatypeImp (x, n, m1, ms, s, xs, xncs'), loc))
adamc@34 591 | SgiVal (x, n, c) =>
adamc@34 592 S.map2 (con ctx c,
adamc@34 593 fn c' =>
adamc@34 594 (SgiVal (x, n, c'), loc))
adamc@34 595 | SgiStr (x, n, s) =>
adamc@34 596 S.map2 (sg ctx s,
adamc@34 597 fn s' =>
adamc@34 598 (SgiStr (x, n, s'), loc))
adamc@59 599 | SgiSgn (x, n, s) =>
adamc@59 600 S.map2 (sg ctx s,
adamc@59 601 fn s' =>
adamc@59 602 (SgiSgn (x, n, s'), loc))
adamc@88 603 | SgiConstraint (c1, c2) =>
adamc@88 604 S.bind2 (con ctx c1,
adamc@88 605 fn c1' =>
adamc@88 606 S.map2 (con ctx c2,
adamc@88 607 fn c2' =>
adamc@88 608 (SgiConstraint (c1', c2'), loc)))
adamc@563 609 | SgiClassAbs (x, n, k) =>
adamc@623 610 S.map2 (kind ctx k,
adamc@563 611 fn k' =>
adamc@563 612 (SgiClassAbs (x, n, k'), loc))
adamc@563 613 | SgiClass (x, n, k, c) =>
adamc@623 614 S.bind2 (kind ctx k,
adamc@563 615 fn k' =>
adamc@563 616 S.map2 (con ctx c,
adamc@563 617 fn c' =>
adamc@563 618 (SgiClass (x, n, k', c'), loc)))
adamc@34 619
adamc@34 620 and sg ctx s acc =
adamc@34 621 S.bindP (sg' ctx s acc, sgn ctx)
adamc@34 622
adamc@34 623 and sg' ctx (sAll as (s, loc)) =
adamc@34 624 case s of
adamc@34 625 SgnConst sgis =>
adamc@34 626 S.map2 (ListUtil.mapfoldB (fn (ctx, si) =>
adamc@34 627 (case #1 si of
adamc@329 628 SgiConAbs (x, n, k) =>
adamc@792 629 bind (ctx, NamedC (x, n, k, NONE))
adamc@792 630 | SgiCon (x, n, k, c) =>
adamc@792 631 bind (ctx, NamedC (x, n, k, SOME c))
adamc@805 632 | SgiDatatype dts =>
adamc@805 633 foldl (fn ((x, n, ks, _), ctx) =>
adamc@805 634 let
adamc@805 635 val k' = (KType, loc)
adamc@805 636 val k = foldl (fn (_, k) => (KArrow (k', k), loc))
adamc@805 637 k' ks
adamc@805 638 in
adamc@805 639 bind (ctx, NamedC (x, n, k, NONE))
adamc@805 640 end) ctx dts
adamc@792 641 | SgiDatatypeImp (x, n, m1, ms, s, _, _) =>
adamc@792 642 bind (ctx, NamedC (x, n, (KType, loc),
adamc@792 643 SOME (CModProj (m1, ms, s), loc)))
adamc@34 644 | SgiVal _ => ctx
adamc@792 645 | SgiStr (x, n, sgn) =>
adamc@792 646 bind (ctx, Str (x, n, sgn))
adamc@792 647 | SgiSgn (x, n, sgn) =>
adamc@792 648 bind (ctx, Sgn (x, n, sgn))
adamc@203 649 | SgiConstraint _ => ctx
adamc@563 650 | SgiClassAbs (x, n, k) =>
adamc@792 651 bind (ctx, NamedC (x, n, (KArrow (k, (KType, loc)), loc), NONE))
adamc@792 652 | SgiClass (x, n, k, c) =>
adamc@792 653 bind (ctx, NamedC (x, n, (KArrow (k, (KType, loc)), loc), SOME c)),
adamc@34 654 sgi ctx si)) ctx sgis,
adamc@34 655 fn sgis' =>
adamc@34 656 (SgnConst sgis', loc))
adamc@34 657
adamc@34 658 | SgnVar _ => S.return2 sAll
adamc@41 659 | SgnFun (m, n, s1, s2) =>
adamc@41 660 S.bind2 (sg ctx s1,
adamc@41 661 fn s1' =>
adamc@792 662 S.map2 (sg (bind (ctx, Str (m, n, s1'))) s2,
adamc@41 663 fn s2' =>
adamc@41 664 (SgnFun (m, n, s1', s2'), loc)))
adamc@59 665 | SgnProj _ => S.return2 sAll
adamc@42 666 | SgnWhere (sgn, x, c) =>
adamc@42 667 S.bind2 (sg ctx sgn,
adamc@42 668 fn sgn' =>
adamc@42 669 S.map2 (con ctx c,
adamc@42 670 fn c' =>
adamc@42 671 (SgnWhere (sgn', x, c'), loc)))
adamc@34 672 | SgnError => S.return2 sAll
adamc@34 673 in
adamc@34 674 sg
adamc@34 675 end
adamc@34 676
adamc@34 677 fun mapfold {kind, con, sgn_item, sgn} =
adamc@623 678 mapfoldB {kind = fn () => kind,
adamc@34 679 con = fn () => con,
adamc@34 680 sgn_item = fn () => sgn_item,
adamc@34 681 sgn = fn () => sgn,
adamc@34 682 bind = fn ((), _) => ()} ()
adamc@34 683
adamc@792 684 fun mapB {kind, con, sgn_item, sgn, bind} ctx s =
adamc@792 685 case mapfoldB {kind = fn ctx => fn k => fn () => S.Continue (kind ctx k, ()),
adamc@792 686 con = fn ctx => fn c => fn () => S.Continue (con ctx c, ()),
adamc@792 687 sgn_item = fn ctx => fn sgi => fn () => S.Continue (sgn_item ctx sgi, ()),
adamc@792 688 sgn = fn ctx => fn s => fn () => S.Continue (sgn ctx s, ()),
adamc@792 689 bind = bind} ctx s () of
adamc@792 690 S.Continue (s, ()) => s
adamc@792 691 | S.Return _ => raise Fail "ElabUtil.Sgn.mapB: Impossible"
adamc@792 692
adamc@34 693 fun map {kind, con, sgn_item, sgn} s =
adamc@34 694 case mapfold {kind = fn k => fn () => S.Continue (kind k, ()),
adamc@34 695 con = fn c => fn () => S.Continue (con c, ()),
adamc@34 696 sgn_item = fn si => fn () => S.Continue (sgn_item si, ()),
adamc@34 697 sgn = fn s => fn () => S.Continue (sgn s, ())} s () of
adamc@34 698 S.Return () => raise Fail "Elab_util.Sgn.map"
adamc@34 699 | S.Continue (s, ()) => s
adamc@34 700
adamc@2 701 end
adamc@34 702
adamc@76 703 structure Decl = struct
adamc@76 704
adamc@76 705 datatype binder =
adamc@623 706 RelK of string
adamc@623 707 | RelC of string * Elab.kind
adamc@792 708 | NamedC of string * int * Elab.kind * Elab.con option
adamc@76 709 | RelE of string * Elab.con
adamc@76 710 | NamedE of string * Elab.con
adamc@76 711 | Str of string * Elab.sgn
adamc@76 712 | Sgn of string * Elab.sgn
adamc@76 713
adamc@76 714 fun mapfoldB {kind = fk, con = fc, exp = fe, sgn_item = fsgi, sgn = fsg, str = fst, decl = fd, bind} =
adamc@76 715 let
adamc@623 716 val mfk = Kind.mapfoldB {kind = fk, bind = fn (ctx, x) => bind (ctx, RelK x)}
adamc@76 717
adamc@76 718 fun bind' (ctx, b) =
adamc@76 719 let
adamc@76 720 val b' = case b of
adamc@623 721 Con.RelK x => RelK x
adamc@623 722 | Con.RelC x => RelC x
adamc@623 723 | Con.NamedC x => NamedC x
adamc@76 724 in
adamc@76 725 bind (ctx, b')
adamc@76 726 end
adamc@76 727 val mfc = Con.mapfoldB {kind = fk, con = fc, bind = bind'}
adamc@76 728
adamc@76 729 fun bind' (ctx, b) =
adamc@76 730 let
adamc@76 731 val b' = case b of
adamc@623 732 Exp.RelK x => RelK x
adamc@623 733 | Exp.RelC x => RelC x
adamc@76 734 | Exp.NamedC x => NamedC x
adamc@76 735 | Exp.RelE x => RelE x
adamc@76 736 | Exp.NamedE x => NamedE x
adamc@76 737 in
adamc@76 738 bind (ctx, b')
adamc@76 739 end
adamc@76 740 val mfe = Exp.mapfoldB {kind = fk, con = fc, exp = fe, bind = bind'}
adamc@76 741
adamc@76 742 fun bind' (ctx, b) =
adamc@76 743 let
adamc@76 744 val b' = case b of
adamc@623 745 Sgn.RelK x => RelK x
adamc@623 746 | Sgn.RelC x => RelC x
adamc@76 747 | Sgn.NamedC x => NamedC x
adamc@792 748 | Sgn.Sgn (x, _, y) => Sgn (x, y)
adamc@792 749 | Sgn.Str (x, _, y) => Str (x, y)
adamc@76 750 in
adamc@76 751 bind (ctx, b')
adamc@76 752 end
adamc@76 753 val mfsg = Sgn.mapfoldB {kind = fk, con = fc, sgn_item = fsgi, sgn = fsg, bind = bind'}
adamc@76 754
adamc@76 755 fun mfst ctx str acc =
adamc@76 756 S.bindP (mfst' ctx str acc, fst ctx)
adamc@76 757
adamc@76 758 and mfst' ctx (strAll as (str, loc)) =
adamc@76 759 case str of
adamc@76 760 StrConst ds =>
adamc@76 761 S.map2 (ListUtil.mapfoldB (fn (ctx, d) =>
adamc@76 762 (case #1 d of
adamc@792 763 DCon (x, n, k, c) =>
adamc@792 764 bind (ctx, NamedC (x, n, k, SOME c))
adamc@805 765 | DDatatype dts =>
adamc@156 766 let
adamc@805 767 fun doOne ((x, n, xs, xncs), ctx) =
adamc@805 768 let
adamc@805 769 val ctx = bind (ctx, NamedC (x, n, (KType, loc), NONE))
adamc@805 770 in
adamc@805 771 foldl (fn ((x, _, co), ctx) =>
adamc@805 772 let
adamc@805 773 val t =
adamc@805 774 case co of
adamc@805 775 NONE => CNamed n
adamc@805 776 | SOME t => TFun (t, (CNamed n, loc))
adamc@805 777
adamc@805 778 val k = (KType, loc)
adamc@805 779 val t = (t, loc)
adamc@805 780 val t = foldr (fn (x, t) =>
adamc@805 781 (TCFun (Explicit,
adamc@805 782 x,
adamc@805 783 k,
adamc@805 784 t), loc))
adamc@805 785 t xs
adamc@805 786 in
adamc@805 787 bind (ctx, NamedE (x, t))
adamc@805 788 end)
adamc@805 789 ctx xncs
adamc@805 790 end
adamc@156 791 in
adamc@805 792 foldl doOne ctx dts
adamc@156 793 end
adamc@191 794 | DDatatypeImp (x, n, m, ms, x', _, _) =>
adamc@792 795 bind (ctx, NamedC (x, n, (KType, loc),
adamc@792 796 SOME (CModProj (m, ms, x'), loc)))
adamc@76 797 | DVal (x, _, c, _) =>
adamc@76 798 bind (ctx, NamedE (x, c))
adamc@123 799 | DValRec vis =>
adamc@123 800 foldl (fn ((x, _, c, _), ctx) => bind (ctx, NamedE (x, c))) ctx vis
adamc@76 801 | DSgn (x, _, sgn) =>
adamc@76 802 bind (ctx, Sgn (x, sgn))
adamc@76 803 | DStr (x, _, sgn, _) =>
adamc@76 804 bind (ctx, Str (x, sgn))
adamc@76 805 | DFfiStr (x, _, sgn) =>
adamc@88 806 bind (ctx, Str (x, sgn))
adamc@100 807 | DConstraint _ => ctx
adamc@203 808 | DExport _ => ctx
adamc@707 809 | DTable (tn, x, n, c, _, pc, _, cc) =>
adamc@705 810 let
adamc@705 811 val ct = (CModProj (n, [], "sql_table"), loc)
adamc@705 812 val ct = (CApp (ct, c), loc)
adamc@707 813 val ct = (CApp (ct, (CConcat (pc, cc), loc)), loc)
adamc@705 814 in
adamc@705 815 bind (ctx, NamedE (x, ct))
adamc@705 816 end
adamc@338 817 | DSequence (tn, x, n) =>
adamc@338 818 bind (ctx, NamedE (x, (CModProj (n, [], "sql_sequence"), loc)))
adamc@754 819 | DView (tn, x, n, _, c) =>
adamc@754 820 let
adamc@754 821 val ct = (CModProj (n, [], "sql_view"), loc)
adamc@754 822 val ct = (CApp (ct, c), loc)
adamc@754 823 in
adamc@754 824 bind (ctx, NamedE (x, ct))
adamc@754 825 end
adamc@792 826 | DClass (x, n, k, c) =>
adamc@792 827 bind (ctx, NamedC (x, n, (KArrow (k, (KType, loc)), loc), SOME c))
adamc@459 828 | DDatabase _ => ctx
adamc@459 829 | DCookie (tn, x, n, c) =>
adamc@459 830 bind (ctx, NamedE (x, (CApp ((CModProj (n, [], "cookie"), loc),
adamc@718 831 c), loc)))
adamc@720 832 | DStyle (tn, x, n) =>
adamc@720 833 bind (ctx, NamedE (x, (CModProj (n, [], "css_class"), loc))),
adamc@76 834 mfd ctx d)) ctx ds,
adamc@76 835 fn ds' => (StrConst ds', loc))
adamc@76 836 | StrVar _ => S.return2 strAll
adamc@76 837 | StrProj (str, x) =>
adamc@76 838 S.map2 (mfst ctx str,
adamc@76 839 fn str' =>
adamc@76 840 (StrProj (str', x), loc))
adamc@76 841 | StrFun (x, n, sgn1, sgn2, str) =>
adamc@76 842 S.bind2 (mfsg ctx sgn1,
adamc@76 843 fn sgn1' =>
adamc@76 844 S.bind2 (mfsg ctx sgn2,
adamc@76 845 fn sgn2' =>
adamc@76 846 S.map2 (mfst ctx str,
adamc@76 847 fn str' =>
adamc@76 848 (StrFun (x, n, sgn1', sgn2', str'), loc))))
adamc@76 849 | StrApp (str1, str2) =>
adamc@76 850 S.bind2 (mfst ctx str1,
adamc@76 851 fn str1' =>
adamc@76 852 S.map2 (mfst ctx str2,
adamc@76 853 fn str2' =>
adamc@76 854 (StrApp (str1', str2'), loc)))
adamc@76 855 | StrError => S.return2 strAll
adamc@76 856
adamc@76 857 and mfd ctx d acc =
adamc@76 858 S.bindP (mfd' ctx d acc, fd ctx)
adamc@76 859
adamc@76 860 and mfd' ctx (dAll as (d, loc)) =
adamc@76 861 case d of
adamc@76 862 DCon (x, n, k, c) =>
adamc@623 863 S.bind2 (mfk ctx k,
adamc@76 864 fn k' =>
adamc@76 865 S.map2 (mfc ctx c,
adamc@76 866 fn c' =>
adamc@76 867 (DCon (x, n, k', c'), loc)))
adamc@805 868 | DDatatype dts =>
adamc@805 869 S.map2 (ListUtil.mapfold (fn (x, n, xs, xncs) =>
adamc@805 870 S.map2 (ListUtil.mapfold (fn (x, n, c) =>
adamc@805 871 case c of
adamc@805 872 NONE => S.return2 (x, n, c)
adamc@805 873 | SOME c =>
adamc@805 874 S.map2 (mfc ctx c,
adamc@805 875 fn c' => (x, n, SOME c'))) xncs,
adamc@805 876 fn xncs' =>
adamc@805 877 (x, n, xs, xncs'))) dts,
adamc@805 878 fn dts' =>
adamc@805 879 (DDatatype dts', loc))
adamc@191 880 | DDatatypeImp (x, n, m1, ms, s, xs, xncs) =>
adamc@162 881 S.map2 (ListUtil.mapfold (fn (x, n, c) =>
adamc@162 882 case c of
adamc@162 883 NONE => S.return2 (x, n, c)
adamc@162 884 | SOME c =>
adamc@162 885 S.map2 (mfc ctx c,
adamc@162 886 fn c' => (x, n, SOME c'))) xncs,
adamc@162 887 fn xncs' =>
adamc@191 888 (DDatatypeImp (x, n, m1, ms, s, xs, xncs'), loc))
adamc@123 889 | DVal vi =>
adamc@123 890 S.map2 (mfvi ctx vi,
adamc@123 891 fn vi' =>
adamc@123 892 (DVal vi', loc))
adamc@123 893 | DValRec vis =>
adamc@123 894 S.map2 (ListUtil.mapfold (mfvi ctx) vis,
adamc@123 895 fn vis' =>
adamc@123 896 (DValRec vis', loc))
adamc@76 897 | DSgn (x, n, sgn) =>
adamc@76 898 S.map2 (mfsg ctx sgn,
adamc@76 899 fn sgn' =>
adamc@76 900 (DSgn (x, n, sgn'), loc))
adamc@76 901 | DStr (x, n, sgn, str) =>
adamc@76 902 S.bind2 (mfsg ctx sgn,
adamc@76 903 fn sgn' =>
adamc@76 904 S.map2 (mfst ctx str,
adamc@76 905 fn str' =>
adamc@76 906 (DStr (x, n, sgn', str'), loc)))
adamc@76 907 | DFfiStr (x, n, sgn) =>
adamc@76 908 S.map2 (mfsg ctx sgn,
adamc@76 909 fn sgn' =>
adamc@76 910 (DFfiStr (x, n, sgn'), loc))
adamc@88 911 | DConstraint (c1, c2) =>
adamc@88 912 S.bind2 (mfc ctx c1,
adamc@88 913 fn c1' =>
adamc@88 914 S.map2 (mfc ctx c2,
adamc@88 915 fn c2' =>
adamc@88 916 (DConstraint (c1', c2'), loc)))
adamc@109 917 | DExport (en, sgn, str) =>
adamc@109 918 S.bind2 (mfsg ctx sgn,
adamc@109 919 fn sgn' =>
adamc@109 920 S.map2 (mfst ctx str,
adamc@109 921 fn str' =>
adamc@109 922 (DExport (en, sgn', str'), loc)))
adamc@123 923
adamc@707 924 | DTable (tn, x, n, c, pe, pc, ce, cc) =>
adamc@704 925 S.bind2 (mfc ctx c,
adamc@203 926 fn c' =>
adamc@707 927 S.bind2 (mfe ctx pe,
adamc@707 928 fn pe' =>
adamc@707 929 S.bind2 (mfc ctx pc,
adamc@707 930 fn pc' =>
adamc@707 931 S.bind2 (mfe ctx ce,
adamc@707 932 fn ce' =>
adamc@707 933 S.map2 (mfc ctx cc,
adamc@707 934 fn cc' =>
adamc@707 935 (DTable (tn, x, n, c', pe', pc', ce', cc'), loc))))))
adamc@338 936 | DSequence _ => S.return2 dAll
adamc@754 937 | DView (tn, x, n, e, c) =>
adamc@754 938 S.bind2 (mfe ctx e,
adamc@754 939 fn e' =>
adamc@754 940 S.map2 (mfc ctx c,
adamc@754 941 fn c' =>
adamc@754 942 (DView (tn, x, n, e', c'), loc)))
adamc@203 943
adamc@563 944 | DClass (x, n, k, c) =>
adamc@623 945 S.bind2 (mfk ctx k,
adamc@563 946 fn k' =>
adamc@563 947 S.map2 (mfc ctx c,
adamc@563 948 fn c' =>
adamc@563 949 (DClass (x, n, k', c'), loc)))
adamc@213 950
adamc@338 951 | DDatabase _ => S.return2 dAll
adamc@271 952
adamc@459 953 | DCookie (tn, x, n, c) =>
adamc@459 954 S.map2 (mfc ctx c,
adamc@459 955 fn c' =>
adamc@459 956 (DCookie (tn, x, n, c'), loc))
adamc@720 957 | DStyle _ => S.return2 dAll
adamc@459 958
adamc@123 959 and mfvi ctx (x, n, c, e) =
adamc@123 960 S.bind2 (mfc ctx c,
adamc@123 961 fn c' =>
adamc@123 962 S.map2 (mfe ctx e,
adamc@123 963 fn e' =>
adamc@123 964 (x, n, c', e')))
adamc@76 965 in
adamc@76 966 mfd
adamc@76 967 end
adamc@76 968
adamc@76 969 fun mapfold {kind, con, exp, sgn_item, sgn, str, decl} =
adamc@623 970 mapfoldB {kind = fn () => kind,
adamc@76 971 con = fn () => con,
adamc@76 972 exp = fn () => exp,
adamc@76 973 sgn_item = fn () => sgn_item,
adamc@76 974 sgn = fn () => sgn,
adamc@76 975 str = fn () => str,
adamc@76 976 decl = fn () => decl,
adamc@76 977 bind = fn ((), _) => ()} ()
adamc@76 978
adamc@76 979 fun exists {kind, con, exp, sgn_item, sgn, str, decl} k =
adamc@76 980 case mapfold {kind = fn k => fn () =>
adamc@76 981 if kind k then
adamc@76 982 S.Return ()
adamc@76 983 else
adamc@76 984 S.Continue (k, ()),
adamc@76 985 con = fn c => fn () =>
adamc@76 986 if con c then
adamc@76 987 S.Return ()
adamc@76 988 else
adamc@76 989 S.Continue (c, ()),
adamc@76 990 exp = fn e => fn () =>
adamc@76 991 if exp e then
adamc@76 992 S.Return ()
adamc@76 993 else
adamc@76 994 S.Continue (e, ()),
adamc@76 995 sgn_item = fn sgi => fn () =>
adamc@76 996 if sgn_item sgi then
adamc@76 997 S.Return ()
adamc@76 998 else
adamc@76 999 S.Continue (sgi, ()),
adamc@76 1000 sgn = fn x => fn () =>
adamc@76 1001 if sgn x then
adamc@76 1002 S.Return ()
adamc@76 1003 else
adamc@76 1004 S.Continue (x, ()),
adamc@76 1005 str = fn x => fn () =>
adamc@76 1006 if str x then
adamc@76 1007 S.Return ()
adamc@76 1008 else
adamc@76 1009 S.Continue (x, ()),
adamc@76 1010 decl = fn x => fn () =>
adamc@76 1011 if decl x then
adamc@76 1012 S.Return ()
adamc@76 1013 else
adamc@76 1014 S.Continue (x, ())} k () of
adamc@76 1015 S.Return _ => true
adamc@76 1016 | S.Continue _ => false
adamc@76 1017
adamc@76 1018 fun search {kind, con, exp, sgn_item, sgn, str, decl} k =
adamc@76 1019 case mapfold {kind = fn x => fn () =>
adamc@76 1020 case kind x of
adamc@76 1021 NONE => S.Continue (x, ())
adamc@76 1022 | SOME v => S.Return v,
adamc@76 1023
adamc@76 1024 con = fn x => fn () =>
adamc@76 1025 case con x of
adamc@76 1026 NONE => S.Continue (x, ())
adamc@76 1027 | SOME v => S.Return v,
adamc@76 1028
adamc@76 1029 exp = fn x => fn () =>
adamc@76 1030 case exp x of
adamc@76 1031 NONE => S.Continue (x, ())
adamc@76 1032 | SOME v => S.Return v,
adamc@76 1033
adamc@76 1034 sgn_item = fn x => fn () =>
adamc@76 1035 case sgn_item x of
adamc@76 1036 NONE => S.Continue (x, ())
adamc@76 1037 | SOME v => S.Return v,
adamc@76 1038
adamc@76 1039 sgn = fn x => fn () =>
adamc@76 1040 case sgn x of
adamc@76 1041 NONE => S.Continue (x, ())
adamc@76 1042 | SOME v => S.Return v,
adamc@76 1043
adamc@76 1044 str = fn x => fn () =>
adamc@76 1045 case str x of
adamc@76 1046 NONE => S.Continue (x, ())
adamc@76 1047 | SOME v => S.Return v,
adamc@76 1048
adamc@76 1049 decl = fn x => fn () =>
adamc@76 1050 case decl x of
adamc@76 1051 NONE => S.Continue (x, ())
adamc@76 1052 | SOME v => S.Return v
adamc@76 1053
adamc@76 1054 } k () of
adamc@76 1055 S.Return x => SOME x
adamc@76 1056 | S.Continue _ => NONE
adamc@76 1057
adamc@448 1058 fun foldMapB {kind, con, exp, sgn_item, sgn, str, decl, bind} ctx st d =
adamc@623 1059 case mapfoldB {kind = fn ctx => fn x => fn st => S.Continue (kind (ctx, x, st)),
adamc@448 1060 con = fn ctx => fn x => fn st => S.Continue (con (ctx, x, st)),
adamc@448 1061 exp = fn ctx => fn x => fn st => S.Continue (exp (ctx, x, st)),
adamc@448 1062 sgn_item = fn ctx => fn x => fn st => S.Continue (sgn_item (ctx, x, st)),
adamc@448 1063 sgn = fn ctx => fn x => fn st => S.Continue (sgn (ctx, x, st)),
adamc@448 1064 str = fn ctx => fn x => fn st => S.Continue (str (ctx, x, st)),
adamc@448 1065 decl = fn ctx => fn x => fn st => S.Continue (decl (ctx, x, st)),
adamc@448 1066 bind = bind} ctx d st of
adamc@448 1067 S.Continue x => x
adamc@448 1068 | S.Return _ => raise Fail "ElabUtil.Decl.foldMapB: Impossible"
adamc@448 1069
adamc@448 1070 end
adamc@448 1071
adamc@448 1072 structure File = struct
adamc@448 1073
adamc@448 1074 fun maxName ds = foldl (fn (d, count) => Int.max (maxNameDecl d, count)) 0 ds
adamc@448 1075
adamc@448 1076 and maxNameDecl (d, _) =
adamc@448 1077 case d of
adamc@448 1078 DCon (_, n, _, _) => n
adamc@805 1079 | DDatatype dts =>
adamc@805 1080 foldl (fn ((_, n, _, ns), max) =>
adamc@448 1081 foldl (fn ((_, n', _), m) => Int.max (n', m))
adamc@805 1082 (Int.max (n, max)) ns) 0 dts
adamc@448 1083 | DDatatypeImp (_, n1, n2, _, _, _, ns) =>
adamc@448 1084 foldl (fn ((_, n', _), m) => Int.max (n', m))
adamc@448 1085 (Int.max (n1, n2)) ns
adamc@448 1086 | DVal (_, n, _, _) => n
adamc@448 1087 | DValRec vis => foldl (fn ((_, n, _, _), count) => Int.max (n, count)) 0 vis
adamc@448 1088 | DStr (_, n, sgn, str) => Int.max (n, Int.max (maxNameSgn sgn, maxNameStr str))
adamc@448 1089 | DSgn (_, n, sgn) => Int.max (n, maxNameSgn sgn)
adamc@448 1090 | DFfiStr (_, n, sgn) => Int.max (n, maxNameSgn sgn)
adamc@448 1091 | DConstraint _ => 0
adamc@563 1092 | DClass (_, n, _, _) => n
adamc@448 1093 | DExport _ => 0
adamc@707 1094 | DTable (n1, _, n2, _, _, _, _, _) => Int.max (n1, n2)
adamc@459 1095 | DSequence (n1, _, n2) => Int.max (n1, n2)
adamc@754 1096 | DView (n1, _, n2, _, _) => Int.max (n1, n2)
adamc@448 1097 | DDatabase _ => 0
adamc@459 1098 | DCookie (n1, _, n2, _) => Int.max (n1, n2)
adamc@720 1099 | DStyle (n1, _, n2) => Int.max (n1, n2)
adamc@448 1100 and maxNameStr (str, _) =
adamc@448 1101 case str of
adamc@448 1102 StrConst ds => maxName ds
adamc@448 1103 | StrVar n => n
adamc@448 1104 | StrProj (str, _) => maxNameStr str
adamc@448 1105 | StrFun (_, n, dom, ran, str) => foldl Int.max n [maxNameSgn dom, maxNameSgn ran, maxNameStr str]
adamc@448 1106 | StrApp (str1, str2) => Int.max (maxNameStr str1, maxNameStr str2)
adamc@448 1107 | StrError => 0
adamc@448 1108
adamc@448 1109 and maxNameSgn (sgn, _) =
adamc@448 1110 case sgn of
adamc@448 1111 SgnConst sgis => foldl (fn (sgi, count) => Int.max (maxNameSgi sgi, count)) 0 sgis
adamc@448 1112 | SgnVar n => n
adamc@448 1113 | SgnFun (_, n, dom, ran) => Int.max (n, Int.max (maxNameSgn dom, maxNameSgn ran))
adamc@448 1114 | SgnWhere (sgn, _, _) => maxNameSgn sgn
adamc@448 1115 | SgnProj (n, _, _) => n
adamc@448 1116 | SgnError => 0
adamc@448 1117
adamc@448 1118 and maxNameSgi (sgi, _) =
adamc@448 1119 case sgi of
adamc@448 1120 SgiConAbs (_, n, _) => n
adamc@448 1121 | SgiCon (_, n, _, _) => n
adamc@805 1122 | SgiDatatype dts =>
adamc@805 1123 foldl (fn ((_, n, _, ns), max) =>
adamc@805 1124 foldl (fn ((_, n', _), m) => Int.max (n', m))
adamc@805 1125 (Int.max (n, max)) ns) 0 dts
adamc@448 1126 | SgiDatatypeImp (_, n1, n2, _, _, _, ns) =>
adamc@448 1127 foldl (fn ((_, n', _), m) => Int.max (n', m))
adamc@448 1128 (Int.max (n1, n2)) ns
adamc@448 1129 | SgiVal (_, n, _) => n
adamc@448 1130 | SgiStr (_, n, sgn) => Int.max (n, maxNameSgn sgn)
adamc@448 1131 | SgiSgn (_, n, sgn) => Int.max (n, maxNameSgn sgn)
adamc@448 1132 | SgiConstraint _ => 0
adamc@563 1133 | SgiClassAbs (_, n, _) => n
adamc@563 1134 | SgiClass (_, n, _, _) => n
adamc@448 1135
adamc@34 1136 end
adamc@76 1137
adamc@76 1138 end