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Tutorial: up to First-Class Polymorphism
author Adam Chlipala <adam@chlipala.net>
date Sun, 17 Jul 2011 11:00:04 -0400
parents 913d9c2f55c9
children cccf8bf64b30
rev   line source
adamc@1146 1 (* Copyright (c) 2008-2010, Adam Chlipala
adamc@16 2 * All rights reserved.
adamc@16 3 *
adamc@16 4 * Redistribution and use in source and binary forms, with or without
adamc@16 5 * modification, are permitted provided that the following conditions are met:
adamc@16 6 *
adamc@16 7 * - Redistributions of source code must retain the above copyright notice,
adamc@16 8 * this list of conditions and the following disclaimer.
adamc@16 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@16 10 * this list of conditions and the following disclaimer in the documentation
adamc@16 11 * and/or other materials provided with the distribution.
adamc@16 12 * - The names of contributors may not be used to endorse or promote products
adamc@16 13 * derived from this software without specific prior written permission.
adamc@16 14 *
adamc@16 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@16 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@16 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@16 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@16 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@16 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@16 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@16 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@16 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@16 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@16 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@16 26 *)
adamc@16 27
adamc@16 28 structure Corify :> CORIFY = struct
adamc@16 29
adamc@16 30 structure EM = ErrorMsg
adamc@39 31 structure L = Expl
adamc@16 32 structure L' = Core
adamc@16 33
adamc@39 34 structure IM = IntBinaryMap
adamc@39 35 structure SM = BinaryMapFn(struct
adamc@39 36 type ord_key = string
adamc@39 37 val compare = String.compare
adamc@39 38 end)
adamc@39 39
adamc@768 40 fun doRestify k (mods, s) =
adamc@376 41 let
adamc@376 42 val s = if String.isPrefix "wrap_" s then
adamc@376 43 String.extract (s, 5, NONE)
adamc@376 44 else
adamc@376 45 s
adamc@1023 46 val s = String.concatWith "/" (rev (s :: mods))
adamc@1023 47 val s = String.implode (List.filter (fn ch => ch <> #"$") (String.explode s))
adamc@376 48 in
adamc@1023 49 Settings.rewrite k s
adamc@376 50 end
adamc@376 51
adamc@377 52 val relify = CharVector.map (fn #"/" => #"_"
adamc@377 53 | ch => ch)
adamc@377 54
adamc@39 55 local
adamc@39 56 val count = ref 0
adamc@39 57 in
adamc@39 58
adamc@39 59 fun reset v = count := v
adamc@39 60
adamc@39 61 fun alloc () =
adamc@39 62 let
adamc@39 63 val r = !count
adamc@39 64 in
adamc@39 65 count := r + 1;
adamc@39 66 r
adamc@39 67 end
adamc@39 68
adamc@39 69 end
adamc@39 70
adamc@39 71 structure St : sig
adamc@39 72 type t
adamc@39 73
adamc@39 74 val empty : t
adamc@39 75
adamc@146 76 val debug : t -> unit
adamc@146 77
adamc@376 78 val name : t -> string list
adamc@376 79
adamc@376 80 val enter : t * string list -> t
adamc@39 81 val leave : t -> {outer : t, inner : t}
adamc@192 82 val ffi : string -> L'.con SM.map -> (string * string list * L'.con option * L'.datatype_kind) SM.map -> t
adamc@39 83
adamc@249 84 val basisIs : t * int -> t
adamc@249 85 val lookupBasis : t -> int option
adamc@249 86
adamc@73 87 datatype core_con =
adamc@73 88 CNormal of int
adamc@73 89 | CFfi of string
adamc@73 90 val bindCon : t -> string -> int -> t * int
adamc@73 91 val lookupConById : t -> int -> int option
adamc@73 92 val lookupConByName : t -> string -> core_con
adamc@48 93
adamc@177 94 val bindConstructor : t -> string -> int -> L'.patCon -> t
adamc@186 95 val lookupConstructorByNameOpt : t -> string -> L'.patCon option
adamc@177 96 val lookupConstructorByName : t -> string -> L'.patCon
adamc@177 97 val lookupConstructorById : t -> int -> L'.patCon
adamc@249 98
adamc@249 99 datatype core_val =
adamc@249 100 ENormal of int
adamc@249 101 | EFfi of string * L'.con
adamc@249 102 val bindVal : t -> string -> int -> t * int
adamc@249 103 val bindConstructorVal : t -> string -> int -> t
adamc@249 104 val lookupValById : t -> int -> int option
adamc@249 105 val lookupValByName : t -> string -> core_val
adamc@177 106
adamc@249 107 val bindStr : t -> string -> int -> t -> t
adamc@249 108 val lookupStrById : t -> int -> t
adamc@249 109 val lookupStrByName : string * t -> t
adamc@339 110 val lookupStrByNameOpt : string * t -> t option
adamc@39 111
adamc@423 112 val bindFunctor : t -> string -> int -> string -> int -> L.str -> t
adamc@423 113 val lookupFunctorById : t -> int -> string * int * L.str
adamc@423 114 val lookupFunctorByName : string * t -> string * int * L.str
adamc@249 115 end = struct
adamc@46 116
adamc@249 117 datatype flattening =
adamc@376 118 FNormal of {name : string list,
adamc@376 119 cons : int SM.map,
adamc@249 120 constructors : L'.patCon SM.map,
adamc@249 121 vals : int SM.map,
adamc@249 122 strs : flattening SM.map,
adamc@423 123 funs : (string * int * L.str) SM.map}
adamc@249 124 | FFfi of {mod : string,
adamc@249 125 vals : L'.con SM.map,
adamc@249 126 constructors : (string * string list * L'.con option * L'.datatype_kind) SM.map}
adamc@39 127
adamc@249 128 type t = {
adamc@249 129 basis : int option,
adamc@249 130 cons : int IM.map,
adamc@249 131 constructors : L'.patCon IM.map,
adamc@249 132 vals : int IM.map,
adamc@249 133 strs : flattening IM.map,
adamc@423 134 funs : (string * int * L.str) IM.map,
adamc@249 135 current : flattening,
adamc@249 136 nested : flattening list
adamc@249 137 }
adamc@39 138
adamc@249 139 val empty = {
adamc@249 140 basis = NONE,
adamc@249 141 cons = IM.empty,
adamc@249 142 constructors = IM.empty,
adamc@249 143 vals = IM.empty,
adamc@249 144 strs = IM.empty,
adamc@249 145 funs = IM.empty,
adamc@376 146 current = FNormal { name = [], cons = SM.empty, constructors = SM.empty,
adamc@376 147 vals = SM.empty, strs = SM.empty, funs = SM.empty },
adamc@249 148 nested = []
adamc@249 149 }
adamc@39 150
adamc@376 151 fun debug ({current = FNormal {cons, constructors, vals, strs, funs, ...}, ...} : t) =
adamc@249 152 print ("cons: " ^ Int.toString (SM.numItems cons) ^ "; "
adamc@249 153 ^ "constructors: " ^ Int.toString (SM.numItems constructors) ^ "; "
adamc@249 154 ^ "vals: " ^ Int.toString (SM.numItems vals) ^ "; "
adamc@249 155 ^ "strs: " ^ Int.toString (SM.numItems strs) ^ "; "
adamc@249 156 ^ "funs: " ^ Int.toString (SM.numItems funs) ^ "\n")
adamc@249 157 | debug _ = print "Not normal!\n"
adamc@146 158
adamc@376 159 fun name ({current = FNormal {name, ...}, ...} : t) = name
adamc@376 160 | name {current = FFfi {mod = name, ...}, ...} = [name]
adamc@376 161
adamc@249 162 fun basisIs ({cons, constructors, vals, strs, funs, current, nested, ...} : t, basis) =
adamc@249 163 {basis = SOME basis,
adamc@249 164 cons = cons,
adamc@249 165 constructors = constructors,
adamc@249 166 vals = vals,
adamc@249 167 strs = strs,
adamc@249 168 funs = funs,
adamc@249 169 current = current,
adamc@249 170 nested = nested}
adamc@48 171
adamc@249 172 fun lookupBasis ({basis, ...} : t) = basis
adamc@73 173
adamc@249 174 datatype core_con =
adamc@249 175 CNormal of int
adamc@249 176 | CFfi of string
adamc@39 177
adamc@249 178 datatype core_val =
adamc@249 179 ENormal of int
adamc@249 180 | EFfi of string * L'.con
adamc@188 181
adamc@249 182 fun bindCon {basis, cons, constructors, vals, strs, funs, current, nested} s n =
adamc@249 183 let
adamc@249 184 val n' = alloc ()
adamc@188 185
adamc@249 186 val current =
adamc@249 187 case current of
adamc@249 188 FFfi _ => raise Fail "Binding inside FFfi"
adamc@376 189 | FNormal {name, cons, constructors, vals, strs, funs} =>
adamc@376 190 FNormal {name = name,
adamc@376 191 cons = SM.insert (cons, s, n'),
adamc@249 192 constructors = constructors,
adamc@249 193 vals = vals,
adamc@249 194 strs = strs,
adamc@249 195 funs = funs}
adamc@249 196 in
adamc@249 197 ({basis = basis,
adamc@249 198 cons = IM.insert (cons, n, n'),
adamc@177 199 constructors = constructors,
adamc@73 200 vals = vals,
adamc@39 201 strs = strs,
adamc@46 202 funs = funs,
adamc@39 203 current = current,
adamc@249 204 nested = nested},
adamc@249 205 n')
adamc@249 206 end
adamc@39 207
adamc@249 208 fun lookupConById ({cons, ...} : t) n = IM.find (cons, n)
adamc@39 209
adamc@249 210 fun lookupConByName ({current, ...} : t) x =
adamc@249 211 case current of
adamc@249 212 FFfi {mod = m, ...} => CFfi m
adamc@249 213 | FNormal {cons, ...} =>
adamc@249 214 case SM.find (cons, x) of
adamc@249 215 NONE => raise Fail "Corify.St.lookupConByName"
adamc@249 216 | SOME n => CNormal n
adamc@249 217
adamc@249 218 fun bindVal {basis, cons, constructors, vals, strs, funs, current, nested} s n =
adamc@249 219 let
adamc@249 220 val n' = alloc ()
adamc@249 221
adamc@249 222 val current =
adamc@249 223 case current of
adamc@249 224 FFfi _ => raise Fail "Binding inside FFfi"
adamc@376 225 | FNormal {name, cons, constructors, vals, strs, funs} =>
adamc@376 226 FNormal {name = name,
adamc@376 227 cons = cons,
adamc@249 228 constructors = constructors,
adamc@249 229 vals = SM.insert (vals, s, n'),
adamc@249 230 strs = strs,
adamc@249 231 funs = funs}
adamc@249 232 in
adamc@249 233 ({basis = basis,
adamc@249 234 cons = cons,
adamc@249 235 constructors = constructors,
adamc@249 236 vals = IM.insert (vals, n, n'),
adamc@249 237 strs = strs,
adamc@249 238 funs = funs,
adamc@249 239 current = current,
adamc@249 240 nested = nested},
adamc@249 241 n')
adamc@249 242 end
adamc@249 243
adamc@249 244 fun bindConstructorVal {basis, cons, constructors, vals, strs, funs, current, nested} s n =
adamc@249 245 let
adamc@249 246 val current =
adamc@249 247 case current of
adamc@249 248 FFfi _ => raise Fail "Binding inside FFfi"
adamc@376 249 | FNormal {name, cons, constructors, vals, strs, funs} =>
adamc@376 250 FNormal {name = name,
adamc@376 251 cons = cons,
adamc@249 252 constructors = constructors,
adamc@249 253 vals = SM.insert (vals, s, n),
adamc@249 254 strs = strs,
adamc@249 255 funs = funs}
adamc@249 256 in
adamc@249 257 {basis = basis,
adamc@249 258 cons = cons,
adamc@249 259 constructors = constructors,
adamc@249 260 vals = IM.insert (vals, n, n),
adamc@249 261 strs = strs,
adamc@249 262 funs = funs,
adamc@249 263 current = current,
adamc@249 264 nested = nested}
adamc@249 265 end
adamc@249 266
adamc@249 267
adamc@249 268 fun lookupValById ({vals, ...} : t) n = IM.find (vals, n)
adamc@249 269
adamc@249 270 fun lookupValByName ({current, ...} : t) x =
adamc@249 271 case current of
adamc@249 272 FFfi {mod = m, vals, ...} =>
adamc@249 273 (case SM.find (vals, x) of
adam@1314 274 NONE => raise Fail ("Corify.St.lookupValByName: no type for FFI val " ^ x)
adamc@249 275 | SOME t => EFfi (m, t))
adam@1314 276 | FNormal {name, vals, ...} =>
adamc@249 277 case SM.find (vals, x) of
adam@1314 278 NONE => raise Fail ("Corify.St.lookupValByName " ^ String.concatWith "." name ^ "." ^ x)
adamc@249 279 | SOME n => ENormal n
adamc@249 280
adamc@249 281 fun bindConstructor {basis, cons, constructors, vals, strs, funs, current, nested} s n n' =
adamc@249 282 let
adamc@249 283 val current =
adamc@249 284 case current of
adamc@249 285 FFfi _ => raise Fail "Binding inside FFfi"
adamc@376 286 | FNormal {name, cons, constructors, vals, strs, funs} =>
adamc@376 287 FNormal {name = name,
adamc@376 288 cons = cons,
adamc@249 289 constructors = SM.insert (constructors, s, n'),
adamc@249 290 vals = vals,
adamc@249 291 strs = strs,
adamc@249 292 funs = funs}
adamc@249 293 in
adamc@249 294 {basis = basis,
adamc@249 295 cons = cons,
adamc@249 296 constructors = IM.insert (constructors, n, n'),
adamc@249 297 vals = vals,
adamc@249 298 strs = strs,
adamc@249 299 funs = funs,
adamc@249 300 current = current,
adamc@249 301 nested = nested}
adamc@249 302 end
adamc@249 303
adamc@249 304 fun lookupConstructorById ({constructors, ...} : t) n =
adamc@249 305 case IM.find (constructors, n) of
adamc@249 306 NONE => raise Fail "Corify.St.lookupConstructorById"
adamc@249 307 | SOME x => x
adamc@249 308
adamc@249 309 fun lookupConstructorByNameOpt ({current, ...} : t) x =
adamc@249 310 case current of
adamc@249 311 FFfi {mod = m, constructors, ...} =>
adamc@249 312 (case SM.find (constructors, x) of
adamc@188 313 NONE => NONE
adamc@249 314 | SOME (n, xs, to, dk) => SOME (L'.PConFfi {mod = m, datatyp = n, params = xs, con = x, arg = to, kind = dk}))
adamc@249 315 | FNormal {constructors, ...} =>
adamc@249 316 case SM.find (constructors, x) of
adamc@249 317 NONE => NONE
adamc@249 318 | SOME n => SOME n
adamc@39 319
adamc@249 320 fun lookupConstructorByName ({current, ...} : t) x =
adamc@249 321 case current of
adamc@249 322 FFfi {mod = m, constructors, ...} =>
adamc@249 323 (case SM.find (constructors, x) of
adamc@249 324 NONE => raise Fail "Corify.St.lookupConstructorByName [1]"
adamc@249 325 | SOME (n, xs, to, dk) => L'.PConFfi {mod = m, datatyp = n, params = xs, con = x, arg = to, kind = dk})
adamc@249 326 | FNormal {constructors, ...} =>
adamc@249 327 case SM.find (constructors, x) of
adamc@249 328 NONE => raise Fail "Corify.St.lookupConstructorByName [2]"
adamc@249 329 | SOME n => n
adamc@73 330
adamc@376 331 fun enter ({basis, cons, constructors, vals, strs, funs, current, nested}, name) =
adamc@249 332 {basis = basis,
adamc@249 333 cons = cons,
adamc@249 334 constructors = constructors,
adamc@249 335 vals = vals,
adamc@249 336 strs = strs,
adamc@249 337 funs = funs,
adamc@376 338 current = FNormal {name = name,
adamc@376 339 cons = SM.empty,
adamc@249 340 constructors = SM.empty,
adamc@249 341 vals = SM.empty,
adamc@249 342 strs = SM.empty,
adamc@249 343 funs = SM.empty},
adamc@249 344 nested = current :: nested}
adamc@73 345
adamc@249 346 fun dummy (b, f) = {basis = b,
adamc@249 347 cons = IM.empty,
adamc@249 348 constructors = IM.empty,
adamc@249 349 vals = IM.empty,
adamc@249 350 strs = IM.empty,
adamc@249 351 funs = IM.empty,
adamc@249 352 current = f,
adamc@249 353 nested = []}
adamc@163 354
adamc@249 355 fun leave {basis, cons, constructors, vals, strs, funs, current, nested = m1 :: rest} =
adamc@249 356 {outer = {basis = basis,
adamc@249 357 cons = cons,
adamc@249 358 constructors = constructors,
adamc@249 359 vals = vals,
adamc@249 360 strs = strs,
adamc@249 361 funs = funs,
adamc@249 362 current = m1,
adamc@249 363 nested = rest},
adamc@249 364 inner = dummy (basis, current)}
adamc@249 365 | leave _ = raise Fail "Corify.St.leave"
adamc@177 366
adamc@249 367 fun ffi m vals constructors = dummy (NONE, FFfi {mod = m, vals = vals, constructors = constructors})
adamc@73 368
adamc@249 369 fun bindStr ({basis, cons, constructors, vals, strs, funs,
adamc@376 370 current = FNormal {name, cons = mcons, constructors = mconstructors,
adamc@249 371 vals = mvals, strs = mstrs, funs = mfuns}, nested} : t)
adamc@249 372 x n ({current = f, ...} : t) =
adamc@249 373 {basis = basis,
adamc@249 374 cons = cons,
adamc@249 375 constructors = constructors,
adamc@249 376 vals = vals,
adamc@249 377 strs = IM.insert (strs, n, f),
adamc@249 378 funs = funs,
adamc@376 379 current = FNormal {name = name,
adamc@376 380 cons = mcons,
adamc@249 381 constructors = mconstructors,
adamc@249 382 vals = mvals,
adamc@249 383 strs = SM.insert (mstrs, x, f),
adamc@249 384 funs = mfuns},
adamc@249 385 nested = nested}
adamc@249 386 | bindStr _ _ _ _ = raise Fail "Corify.St.bindStr"
adamc@73 387
adamc@249 388 fun lookupStrById ({basis, strs, ...} : t) n =
adamc@249 389 case IM.find (strs, n) of
adamc@480 390 NONE => raise Fail ("Corify.St.lookupStrById(" ^ Int.toString n ^ ")")
adamc@249 391 | SOME f => dummy (basis, f)
adamc@177 392
adamc@249 393 fun lookupStrByName (m, {basis, current = FNormal {strs, ...}, ...} : t) =
adamc@249 394 (case SM.find (strs, m) of
adamc@339 395 NONE => raise Fail "Corify.St.lookupStrByName [1]"
adamc@249 396 | SOME f => dummy (basis, f))
adamc@339 397 | lookupStrByName _ = raise Fail "Corify.St.lookupStrByName [2]"
adamc@339 398
adamc@339 399 fun lookupStrByNameOpt (m, {basis, current = FNormal {strs, ...}, ...} : t) =
adamc@339 400 (case SM.find (strs, m) of
adamc@339 401 NONE => NONE
adamc@339 402 | SOME f => SOME (dummy (basis, f)))
adamc@339 403 | lookupStrByNameOpt _ = NONE
adamc@177 404
adamc@249 405 fun bindFunctor ({basis, cons, constructors, vals, strs, funs,
adamc@376 406 current = FNormal {name, cons = mcons, constructors = mconstructors,
adamc@249 407 vals = mvals, strs = mstrs, funs = mfuns}, nested} : t)
adamc@423 408 x n xa na str =
adamc@249 409 {basis = basis,
adamc@249 410 cons = cons,
adamc@249 411 constructors = constructors,
adamc@249 412 vals = vals,
adamc@249 413 strs = strs,
adamc@423 414 funs = IM.insert (funs, n, (xa, na, str)),
adamc@376 415 current = FNormal {name = name,
adamc@376 416 cons = mcons,
adamc@249 417 constructors = mconstructors,
adamc@249 418 vals = mvals,
adamc@249 419 strs = mstrs,
adamc@423 420 funs = SM.insert (mfuns, x, (xa, na, str))},
adamc@249 421 nested = nested}
adamc@423 422 | bindFunctor _ _ _ _ _ _ = raise Fail "Corify.St.bindFunctor"
adamc@186 423
adamc@249 424 fun lookupFunctorById ({funs, ...} : t) n =
adamc@249 425 case IM.find (funs, n) of
adamc@249 426 NONE => raise Fail "Corify.St.lookupFunctorById"
adamc@249 427 | SOME v => v
adamc@177 428
adamc@249 429 fun lookupFunctorByName (m, {current = FNormal {funs, ...}, ...} : t) =
adamc@249 430 (case SM.find (funs, m) of
adamc@1146 431 NONE => raise Fail ("Corify.St.lookupFunctorByName " ^ m ^ "[1]")
adamc@249 432 | SOME v => v)
adamc@339 433 | lookupFunctorByName _ = raise Fail "Corify.St.lookupFunctorByName [2]"
adamc@39 434
adamc@249 435 end
adamc@39 436
adamc@39 437
adamc@249 438 fun corifyKind (k, loc) =
adamc@249 439 case k of
adamc@249 440 L.KType => (L'.KType, loc)
adamc@249 441 | L.KArrow (k1, k2) => (L'.KArrow (corifyKind k1, corifyKind k2), loc)
adamc@249 442 | L.KName => (L'.KName, loc)
adamc@249 443 | L.KRecord k => (L'.KRecord (corifyKind k), loc)
adamc@249 444 | L.KUnit => (L'.KUnit, loc)
adamc@249 445 | L.KTuple ks => (L'.KTuple (map corifyKind ks), loc)
adamc@48 446
adamc@626 447 | L.KRel n => (L'.KRel n, loc)
adamc@626 448 | L.KFun (x, k) => (L'.KFun (x, corifyKind k), loc)
adamc@626 449
adamc@249 450 fun corifyCon st (c, loc) =
adamc@249 451 case c of
adamc@249 452 L.TFun (t1, t2) => (L'.TFun (corifyCon st t1, corifyCon st t2), loc)
adamc@249 453 | L.TCFun (x, k, t) => (L'.TCFun (x, corifyKind k, corifyCon st t), loc)
adamc@626 454 | L.TKFun (x, t) => (L'.TKFun (x, corifyCon st t), loc)
adamc@249 455 | L.TRecord c => (L'.TRecord (corifyCon st c), loc)
adamc@39 456
adamc@249 457 | L.CRel n => (L'.CRel n, loc)
adamc@249 458 | L.CNamed n =>
adamc@249 459 (case St.lookupConById st n of
adamc@249 460 NONE => (L'.CNamed n, loc)
adamc@249 461 | SOME n => (L'.CNamed n, loc))
adamc@249 462 | L.CModProj (m, ms, x) =>
adamc@249 463 let
adamc@249 464 val st = St.lookupStrById st m
adamc@249 465 val st = foldl St.lookupStrByName st ms
adamc@249 466 in
adamc@249 467 case St.lookupConByName st x of
adamc@249 468 St.CNormal n => (L'.CNamed n, loc)
kkallio@1455 469 | St.CFfi m =>
kkallio@1455 470 if (m, x) = ("Basis", "unit") then
kkallio@1455 471 (L'.TRecord (L'.CRecord ((L'.KType, loc), []), loc), loc)
kkallio@1455 472 else
kkallio@1455 473 (L'.CFfi (m, x), loc)
adamc@249 474 end
adamc@39 475
adamc@249 476 | L.CApp (c1, c2) => (L'.CApp (corifyCon st c1, corifyCon st c2), loc)
adamc@249 477 | L.CAbs (x, k, c) => (L'.CAbs (x, corifyKind k, corifyCon st c), loc)
adamc@39 478
adamc@626 479 | L.CKApp (c1, k) => (L'.CKApp (corifyCon st c1, corifyKind k), loc)
adamc@626 480 | L.CKAbs (x, c) => (L'.CKAbs (x, corifyCon st c), loc)
adamc@626 481
adamc@249 482 | L.CName s => (L'.CName s, loc)
adamc@46 483
adamc@249 484 | L.CRecord (k, xcs) =>
adamc@249 485 (L'.CRecord (corifyKind k, map (fn (c1, c2) => (corifyCon st c1, corifyCon st c2)) xcs), loc)
adamc@249 486 | L.CConcat (c1, c2) => (L'.CConcat (corifyCon st c1, corifyCon st c2), loc)
adamc@621 487 | L.CMap (k1, k2) => (L'.CMap (corifyKind k1, corifyKind k2), loc)
adamc@249 488 | L.CUnit => (L'.CUnit, loc)
adamc@46 489
adamc@249 490 | L.CTuple cs => (L'.CTuple (map (corifyCon st) cs), loc)
adamc@249 491 | L.CProj (c, n) => (L'.CProj (corifyCon st c, n), loc)
adamc@213 492
adamc@249 493 fun corifyPatCon st pc =
adamc@249 494 case pc of
adamc@249 495 L.PConVar n => St.lookupConstructorById st n
adamc@249 496 | L.PConProj (m1, ms, x) =>
adamc@249 497 let
adamc@249 498 val st = St.lookupStrById st m1
adamc@249 499 val st = foldl St.lookupStrByName st ms
adamc@249 500 in
adamc@249 501 St.lookupConstructorByName st x
adamc@249 502 end
adamc@46 503
adamc@249 504 fun corifyPat st (p, loc) =
adamc@249 505 case p of
adamc@249 506 L.PWild => (L'.PWild, loc)
adamc@249 507 | L.PVar (x, t) => (L'.PVar (x, corifyCon st t), loc)
adamc@249 508 | L.PPrim p => (L'.PPrim p, loc)
adamc@249 509 | L.PCon (dk, pc, ts, po) => (L'.PCon (dk, corifyPatCon st pc, map (corifyCon st) ts,
adamc@249 510 Option.map (corifyPat st) po), loc)
adamc@249 511 | L.PRecord xps => (L'.PRecord (map (fn (x, p, t) => (x, corifyPat st p, corifyCon st t)) xps), loc)
adamc@39 512
adamc@249 513 fun corifyExp st (e, loc) =
adamc@249 514 case e of
adamc@249 515 L.EPrim p => (L'.EPrim p, loc)
adamc@249 516 | L.ERel n => (L'.ERel n, loc)
adamc@249 517 | L.ENamed n =>
adamc@249 518 (case St.lookupValById st n of
adamc@249 519 NONE => (L'.ENamed n, loc)
adamc@249 520 | SOME n => (L'.ENamed n, loc))
adamc@249 521 | L.EModProj (m, ms, x) =>
adamc@249 522 let
adamc@249 523 val st = St.lookupStrById st m
adamc@249 524 val st = foldl St.lookupStrByName st ms
adamc@249 525 in
adamc@249 526 case St.lookupConstructorByNameOpt st x of
adamc@249 527 SOME (pc as L'.PConFfi {mod = m, datatyp, params, arg, kind, ...}) =>
adamc@249 528 let
adamc@249 529 val args = ListUtil.mapi (fn (i, _) => (L'.CRel i, loc)) params
adamc@249 530 val e = case arg of
adamc@249 531 NONE => (L'.ECon (kind, pc, args, NONE), loc)
adamc@249 532 | SOME dom => (L'.EAbs ("x", dom, (L'.CFfi (m, datatyp), loc),
adamc@249 533 (L'.ECon (kind, pc, args, SOME (L'.ERel 0, loc)), loc)), loc)
adamc@192 534
adamc@249 535 val k = (L'.KType, loc)
adamc@249 536 in
adamc@249 537 foldr (fn (x, e) => (L'.ECAbs (x, k, e), loc)) e params
adamc@249 538 end
adamc@249 539 | _ =>
adamc@249 540 case St.lookupValByName st x of
adamc@249 541 St.ENormal n => (L'.ENamed n, loc)
adamc@249 542 | St.EFfi (m, t) =>
adamc@249 543 case t of
adamc@249 544 (L'.TFun (dom as (L'.TRecord (L'.CRecord (_, []), _), _), ran), _) =>
adamc@249 545 (L'.EAbs ("arg", dom, ran, (L'.EFfiApp (m, x, []), loc)), loc)
adamc@765 546 | (L'.CApp ((L'.CFfi ("Basis", "transaction"), _), dom), _) =>
adamc@765 547 (L'.EAbs ("arg", dom, (L'.TRecord (L'.CRecord ((L'.KType, loc), []), loc), loc),
adamc@765 548 (L'.EFfiApp (m, x, []), loc)), loc)
adamc@249 549 | t as (L'.TFun _, _) =>
adamc@249 550 let
adamc@249 551 fun getArgs (all as (t, _), args) =
adamc@249 552 case t of
adamc@249 553 L'.TFun (dom, ran) => getArgs (ran, dom :: args)
adamc@249 554 | _ => (all, rev args)
adamc@39 555
adamc@249 556 val (result, args) = getArgs (t, [])
adamc@456 557 val (isTransaction, result) =
adamc@456 558 case result of
adamc@456 559 (L'.CApp ((L'.CFfi ("Basis", "transaction"), _),
adamc@456 560 result), _) => (true, result)
adamc@456 561 | _ => (false, result)
adamc@16 562
adamc@456 563 fun makeApp n =
adamc@456 564 let
adamc@456 565 val (actuals, _) = foldr (fn (_, (actuals, n)) =>
adamc@456 566 ((L'.ERel n, loc) :: actuals,
adamc@456 567 n + 1)) ([], n) args
adamc@456 568 in
adamc@456 569 (L'.EFfiApp (m, x, actuals), loc)
adamc@456 570 end
adamc@456 571 val unit = (L'.TRecord (L'.CRecord ((L'.KType, loc), []), loc), loc)
adamc@456 572 val (result, app) =
adamc@456 573 if isTransaction then
adamc@456 574 ((L'.TFun (unit, result), loc),
adamc@456 575 (L'.EAbs ("_",
adamc@456 576 unit,
adamc@456 577 result,
adamc@456 578 makeApp 1), loc))
adamc@456 579 else
adamc@456 580 (result, makeApp 0)
adamc@456 581
adamc@249 582 val (abs, _, _) = foldr (fn (t, (abs, ran, n)) =>
adamc@249 583 ((L'.EAbs ("arg" ^ Int.toString n,
adamc@249 584 t,
adamc@249 585 ran,
adamc@249 586 abs), loc),
adamc@249 587 (L'.TFun (t, ran), loc),
adamc@249 588 n - 1)) (app, result, length args - 1) args
adamc@249 589 in
adamc@249 590 abs
adamc@249 591 end
adamc@249 592 | _ => (L'.EFfi (m, x), loc)
adamc@249 593 end
adamc@249 594 | L.EApp (e1, e2) => (L'.EApp (corifyExp st e1, corifyExp st e2), loc)
adamc@249 595 | L.EAbs (x, dom, ran, e1) => (L'.EAbs (x, corifyCon st dom, corifyCon st ran, corifyExp st e1), loc)
adamc@249 596 | L.ECApp (e1, c) => (L'.ECApp (corifyExp st e1, corifyCon st c), loc)
adamc@249 597 | L.ECAbs (x, k, e1) => (L'.ECAbs (x, corifyKind k, corifyExp st e1), loc)
adamc@626 598 | L.EKApp (e1, k) => (L'.EKApp (corifyExp st e1, corifyKind k), loc)
adamc@626 599 | L.EKAbs (x, e1) => (L'.EKAbs (x, corifyExp st e1), loc)
adamc@16 600
adamc@249 601 | L.ERecord xes => (L'.ERecord (map (fn (c, e, t) =>
adamc@249 602 (corifyCon st c, corifyExp st e, corifyCon st t)) xes), loc)
adamc@249 603 | L.EField (e1, c, {field, rest}) => (L'.EField (corifyExp st e1, corifyCon st c,
adamc@249 604 {field = corifyCon st field, rest = corifyCon st rest}), loc)
adamc@445 605 | L.EConcat (e1, c1, e2, c2) => (L'.EConcat (corifyExp st e1, corifyCon st c1, corifyExp st e2,
adamc@445 606 corifyCon st c2), loc)
adamc@249 607 | L.ECut (e1, c, {field, rest}) => (L'.ECut (corifyExp st e1, corifyCon st c,
adamc@249 608 {field = corifyCon st field, rest = corifyCon st rest}), loc)
adamc@493 609 | L.ECutMulti (e1, c, {rest}) => (L'.ECutMulti (corifyExp st e1, corifyCon st c,
adamc@493 610 {rest = corifyCon st rest}), loc)
adamc@34 611
adamc@249 612 | L.ECase (e, pes, {disc, result}) =>
adamc@249 613 (L'.ECase (corifyExp st e,
adamc@249 614 map (fn (p, e) => (corifyPat st p, corifyExp st e)) pes,
adamc@249 615 {disc = corifyCon st disc, result = corifyCon st result}),
adamc@249 616 loc)
adamc@16 617
adamc@249 618 | L.EWrite e => (L'.EWrite (corifyExp st e), loc)
adamc@16 619
adamc@450 620 | L.ELet (x, t, e1, e2) => (L'.ELet (x, corifyCon st t, corifyExp st e1, corifyExp st e2), loc)
adamc@450 621
adamc@480 622 fun corifyDecl mods (all as (d, loc : EM.span), st) =
adamc@249 623 case d of
adamc@249 624 L.DCon (x, n, k, c) =>
adamc@249 625 let
adamc@249 626 val (st, n) = St.bindCon st x n
adamc@249 627 in
adamc@249 628 ([(L'.DCon (x, n, corifyKind k, corifyCon st c), loc)], st)
adamc@249 629 end
adamc@807 630 | L.DDatatype dts =>
adamc@249 631 let
adamc@807 632 val (dts, st) = ListUtil.foldlMap (fn ((x, n, xs, xncs), st) =>
adamc@807 633 let
adamc@807 634 val (st, n) = St.bindCon st x n
adamc@807 635 in
adamc@807 636 ((x, n, xs, xncs), st)
adamc@807 637 end)
adamc@807 638 st dts
adamc@16 639
adamc@807 640 val (dts, (st, dcons)) =
adamc@807 641 ListUtil.foldlMap
adamc@807 642 (fn ((x, n, xs, xncs), (st, dcons)) =>
adamc@807 643 let
adamc@807 644 val (xncs, st) = ListUtil.foldlMap
adamc@807 645 (fn ((x, n, co), st) =>
adamc@807 646 let
adamc@807 647 val st = St.bindConstructor st x n (L'.PConVar n)
adamc@807 648 val st = St.bindConstructorVal st x n
adamc@807 649 val co = Option.map (corifyCon st) co
adamc@807 650 in
adamc@807 651 ((x, n, co), st)
adamc@807 652 end) st xncs
adamc@192 653
adamc@807 654 val dk = ElabUtil.classifyDatatype xncs
adamc@807 655 val t = (L'.CNamed n, loc)
adamc@807 656 val nxs = length xs - 1
adamc@807 657 val t = ListUtil.foldli
adamc@807 658 (fn (i, _, t) => (L'.CApp (t, (L'.CRel (nxs - i), loc)), loc)) t xs
adamc@807 659 val k = (L'.KType, loc)
adamc@807 660 val dcons' = map (fn (x, n, to) =>
adamc@807 661 let
adamc@807 662 val args = ListUtil.mapi
adamc@807 663 (fn (i, _) => (L'.CRel (nxs - i), loc)) xs
adamc@807 664 val (e, t) =
adamc@807 665 case to of
adamc@807 666 NONE => ((L'.ECon (dk, L'.PConVar n, args, NONE),
adamc@807 667 loc), t)
adamc@807 668 | SOME t' => ((L'.EAbs ("x", t', t,
adamc@807 669 (L'.ECon (dk, L'.PConVar n,
adamc@807 670 args,
adamc@807 671 SOME (L'.ERel 0,
adamc@807 672 loc)),
adamc@807 673 loc)),
adamc@807 674 loc),
adamc@807 675 (L'.TFun (t', t), loc))
adamc@807 676
adamc@807 677 val t = foldr (fn (x, t) => (L'.TCFun (x, k, t), loc)) t xs
adamc@807 678 val e = foldr (fn (x, e) => (L'.ECAbs (x, k, e), loc)) e xs
adamc@807 679 in
adamc@807 680 (L'.DVal (x, n, t, e, ""), loc)
adamc@807 681 end) xncs
adamc@807 682 in
adamc@807 683 ((x, n, xs, xncs), (st, dcons' @ dcons))
adamc@807 684 end)
adamc@807 685 (st, []) dts
adamc@249 686 in
adamc@807 687 ((L'.DDatatype dts, loc) :: dcons, st)
adamc@807 688 end
adamc@249 689 | L.DDatatypeImp (x, n, m1, ms, s, xs, xncs) =>
adamc@249 690 let
adamc@249 691 val (st, n) = St.bindCon st x n
adamc@249 692 val c = corifyCon st (L.CModProj (m1, ms, s), loc)
adamc@177 693
adamc@249 694 val m = foldl (fn (x, m) => (L.StrProj (m, x), loc)) (L.StrVar m1, loc) ms
adamc@376 695 val (_, {inner, ...}) = corifyStr mods (m, st)
adamc@177 696
adamc@249 697 val (xncs, st) = ListUtil.foldlMap (fn ((x, n, co), st) =>
adamc@249 698 let
adamc@249 699 val n' = St.lookupConstructorByName inner x
adamc@249 700 val st = St.bindConstructor st x n n'
adamc@249 701 val (st, n) = St.bindVal st x n
adamc@249 702 val co = Option.map (corifyCon st) co
adamc@249 703 in
adamc@249 704 ((x, n, co), st)
adamc@249 705 end) st xncs
adamc@49 706
adamc@249 707 val nxs = length xs - 1
adamc@288 708 val cBase = c
adamc@249 709 val c = ListUtil.foldli (fn (i, _, c) => (L'.CApp (c, (L'.CRel (nxs - i), loc)), loc)) c xs
adamc@249 710 val k = (L'.KType, loc)
adamc@249 711 val k' = foldl (fn (_, k') => (L'.KArrow (k, k'), loc)) k xs
adamc@192 712
adamc@249 713 val cds = map (fn (x, n, co) =>
adamc@249 714 let
adamc@249 715 val t = case co of
adamc@249 716 NONE => c
adamc@249 717 | SOME t' => (L'.TFun (t', c), loc)
adamc@249 718 val e = corifyExp st (L.EModProj (m1, ms, x), loc)
adamc@192 719
adamc@249 720 val t = foldr (fn (x, t) => (L'.TCFun (x, k, t), loc)) t xs
adamc@249 721 in
adamc@249 722 (L'.DVal (x, n, t, e, x), loc)
adamc@249 723 end) xncs
adamc@249 724 in
adamc@288 725 ((L'.DCon (x, n, k', cBase), loc) :: cds, st)
adamc@249 726 end
adamc@249 727 | L.DVal (x, n, t, e) =>
adamc@249 728 let
adamc@249 729 val (st, n) = St.bindVal st x n
adamc@768 730 val s = doRestify Settings.Url (mods, x)
adamc@249 731 in
adamc@249 732 ([(L'.DVal (x, n, corifyCon st t, corifyExp st e, s), loc)], st)
adamc@249 733 end
adamc@249 734 | L.DValRec vis =>
adamc@249 735 let
adamc@249 736 val (vis, st) = ListUtil.foldlMap
adamc@249 737 (fn ((x, n, t, e), st) =>
adamc@249 738 let
adamc@249 739 val (st, n) = St.bindVal st x n
adamc@249 740 in
adamc@249 741 ((x, n, t, e), st)
adamc@249 742 end)
adamc@249 743 st vis
adamc@16 744
adamc@249 745 val vis = map
adamc@249 746 (fn (x, n, t, e) =>
adamc@249 747 let
adamc@768 748 val s = doRestify Settings.Url (mods, x)
adamc@249 749 in
adamc@249 750 (x, n, corifyCon st t, corifyExp st e, s)
adamc@249 751 end)
adamc@249 752 vis
adamc@249 753 in
adamc@249 754 ([(L'.DValRec vis, loc)], st)
adamc@249 755 end
adamc@249 756 | L.DSgn _ => ([], st)
adamc@177 757
adamc@249 758 | L.DStr (x, n, _, (L.StrFun (xa, na, _, _, str), _)) =>
adamc@423 759 ([], St.bindFunctor st x n xa na str)
adamc@177 760
adamc@339 761 | L.DStr (x, n, _, (L.StrProj (str, x'), _)) =>
adamc@339 762 let
adamc@376 763 val (ds, {inner, outer}) = corifyStr mods (str, st)
adamc@339 764
adamc@339 765 val st = case St.lookupStrByNameOpt (x', inner) of
adamc@339 766 SOME st' => St.bindStr st x n st'
adamc@339 767 | NONE =>
adamc@339 768 let
adamc@423 769 val (x', n', str') = St.lookupFunctorByName (x', inner)
adamc@339 770 in
adamc@423 771 St.bindFunctor st x n x' n' str'
adamc@339 772 end
adamc@339 773 in
adamc@339 774 ([], st)
adamc@339 775 end
adamc@339 776
adamc@249 777 | L.DStr (x, n, _, str) =>
adamc@249 778 let
adamc@377 779 val mods' =
adamc@377 780 if x = "anon" then
adamc@377 781 mods
adamc@377 782 else
adamc@377 783 x :: mods
adamc@377 784
adamc@377 785 val (ds, {inner, outer}) = corifyStr mods' (str, st)
adamc@249 786 val st = St.bindStr outer x n inner
adamc@249 787 in
adamc@249 788 (ds, st)
adamc@249 789 end
adamc@16 790
adamc@249 791 | L.DFfiStr (m, n, (sgn, _)) =>
adamc@249 792 (case sgn of
adamc@249 793 L.SgnConst sgis =>
adamc@249 794 let
adamc@456 795 val (ds, cmap, conmap, st, _) =
adamc@456 796 foldl (fn ((sgi, _), (ds, cmap, conmap, st, trans)) =>
adamc@249 797 case sgi of
adamc@249 798 L.SgiConAbs (x, n, k) =>
adamc@249 799 let
adamc@249 800 val (st, n') = St.bindCon st x n
adamc@456 801
adamc@456 802 val trans =
adamc@456 803 if x = "transaction" then
adamc@456 804 SOME n
adamc@456 805 else
adamc@456 806 trans
adamc@249 807 in
adamc@249 808 ((L'.DCon (x, n', corifyKind k, (L'.CFfi (m, x), loc)), loc) :: ds,
adamc@249 809 cmap,
adamc@249 810 conmap,
adamc@456 811 st,
adamc@456 812 trans)
adamc@249 813 end
adamc@249 814 | L.SgiCon (x, n, k, _) =>
adamc@249 815 let
adamc@249 816 val (st, n') = St.bindCon st x n
adamc@249 817 in
adamc@249 818 ((L'.DCon (x, n', corifyKind k, (L'.CFfi (m, x), loc)), loc) :: ds,
adamc@249 819 cmap,
adamc@249 820 conmap,
adamc@456 821 st,
adamc@456 822 trans)
adamc@249 823 end
adamc@177 824
adamc@807 825 | L.SgiDatatype dts =>
adamc@249 826 let
adamc@249 827 val k = (L'.KType, loc)
adamc@807 828
adamc@807 829 val (dts, (ds', st, cmap, conmap)) =
adamc@249 830 ListUtil.foldlMap
adamc@807 831 (fn ((x, n, xs, xnts), (ds', st, cmap, conmap)) =>
adamc@249 832 let
adamc@813 833 val k' = foldl (fn (_, k') => (L'.KArrow (k, k'), loc))
adamc@813 834 k xs
adamc@813 835
adamc@807 836 val dk = ElabUtil.classifyDatatype xnts
adamc@807 837 val (st, n') = St.bindCon st x n
adamc@807 838 val (xnts, (ds', st, cmap, conmap)) =
adamc@807 839 ListUtil.foldlMap
adamc@807 840 (fn ((x', n, to), (ds', st, cmap, conmap)) =>
adamc@807 841 let
adamc@807 842 val dt = (L'.CNamed n', loc)
adamc@807 843 val args = ListUtil.mapi (fn (i, _) => (L'.CRel i, loc)) xs
adamc@163 844
adamc@807 845 val to = Option.map (corifyCon st) to
adamc@177 846
adamc@807 847 val pc = L'.PConFfi {mod = m,
adamc@807 848 datatyp = x,
adamc@807 849 params = xs,
adamc@807 850 con = x',
adamc@807 851 arg = to,
adamc@807 852 kind = dk}
adamc@130 853
adamc@807 854 fun wrapT t =
adamc@807 855 foldr (fn (x, t) => (L'.TCFun (x, k, t), loc))
adamc@807 856 t xs
adamc@807 857 fun wrapE e =
adamc@807 858 foldr (fn (x, e) => (L'.ECAbs (x, k, e), loc))
adamc@807 859 e xs
adamc@192 860
adamc@807 861 val (cmap, d) =
adamc@807 862 case to of
adamc@807 863 NONE => (SM.insert (cmap, x', wrapT dt),
adamc@807 864 (L'.DVal (x', n, wrapT dt,
adamc@807 865 wrapE
adamc@807 866 (L'.ECon (dk, pc,
adamc@807 867 args,
adamc@807 868 NONE),
adamc@807 869 loc),
adamc@807 870 ""), loc))
adamc@807 871 | SOME t =>
adamc@807 872 let
adamc@807 873 val tf = (L'.TFun (t, dt), loc)
adamc@807 874 val e = wrapE
adamc@807 875 (L'.EAbs ("x", t, tf,
adamc@807 876 (L'.ECon (dk,
adamc@807 877 pc,
adamc@807 878 args,
adamc@807 879 SOME
adamc@807 880 (L'.ERel 0,
adamc@807 881 loc)),
adamc@807 882 loc)), loc)
adamc@807 883 val d = (L'.DVal (x', n, wrapT tf,
adamc@807 884 e, ""), loc)
adamc@807 885 in
adamc@807 886 (SM.insert (cmap, x', wrapT tf), d)
adamc@807 887 end
adamc@185 888
adamc@807 889 val st = St.bindConstructor st x' n pc
adamc@807 890
adamc@807 891 val conmap = SM.insert (conmap, x',
adamc@807 892 (x, xs, to, dk))
adamc@807 893 in
adamc@807 894 ((x', n, to),
adamc@807 895 (d :: ds', st, cmap, conmap))
adamc@807 896 end) (ds', st, cmap, conmap) xnts
adamc@813 897
adamc@813 898 val d = (L'.DCon (x, n', k', (L'.CFfi (m, x), loc)), loc)
adamc@185 899 in
adamc@813 900 ((x, n', xs, xnts), (d :: ds', st, cmap, conmap))
adamc@807 901 end)
adamc@807 902 ([], st, cmap, conmap) dts
adamc@185 903 in
adamc@813 904 (List.revAppend (ds', ds),
adamc@185 905 cmap,
adamc@185 906 conmap,
adamc@456 907 st,
adamc@456 908 trans)
adamc@807 909 end
adamc@49 910
adamc@49 911 | L.SgiVal (x, _, c) =>
adamc@456 912 let
adamc@456 913 val c =
adamc@456 914 case trans of
adamc@456 915 NONE => corifyCon st c
adamc@456 916 | SOME trans =>
adamc@456 917 let
adamc@456 918 fun transactify (all as (c, loc)) =
adamc@456 919 case c of
adamc@456 920 L.TFun (dom, ran) =>
adamc@456 921 (L'.TFun (corifyCon st dom, transactify ran), loc)
adamc@456 922 | L.CApp ((L.CNamed trans', _), t) =>
adamc@456 923 if trans' = trans then
adamc@456 924 (L'.CApp ((L'.CFfi (m, "transaction"), loc),
adamc@456 925 corifyCon st t), loc)
adamc@456 926 else
adamc@456 927 corifyCon st all
adamc@456 928 | _ => corifyCon st all
adamc@456 929 in
adamc@456 930 transactify c
adamc@456 931 end
adamc@456 932 in
adamc@456 933 (ds,
adamc@456 934 SM.insert (cmap, x, c),
adamc@456 935 conmap,
adamc@456 936 st,
adamc@456 937 trans)
adamc@456 938 end
adamc@456 939 | _ => (ds, cmap, conmap, st, trans))
adamc@456 940 ([], SM.empty, SM.empty, st, NONE) sgis
adamc@49 941
adamc@185 942 val st = St.bindStr st m n (St.ffi m cmap conmap)
adamc@49 943 in
adamc@764 944 (rev ds, if m = "Basis" then St.basisIs (st, n) else st)
adamc@49 945 end
adamc@49 946 | _ => raise Fail "Non-const signature for FFI structure")
adamc@48 947
adamc@109 948 | L.DExport (en, sgn, str) =>
adamc@109 949 (case #1 sgn of
adamc@109 950 L.SgnConst sgis =>
adamc@109 951 let
adamc@109 952 fun pathify (str, _) =
adamc@109 953 case str of
adamc@109 954 L.StrVar m => SOME (m, [])
adamc@109 955 | L.StrProj (str, s) =>
adamc@109 956 Option.map (fn (m, ms) => (m, ms @ [s])) (pathify str)
adamc@109 957 | _ => NONE
adamc@109 958 in
adamc@109 959 case pathify str of
adamc@109 960 NONE => (ErrorMsg.errorAt loc "Structure is too fancy to export";
adamc@109 961 ([], st))
adamc@109 962 | SOME (m, ms) =>
adamc@109 963 let
adamc@249 964 val basis_n = case St.lookupBasis st of
adamc@249 965 NONE => raise Fail "Corify: Don't know number of Basis"
adamc@249 966 | SOME n => n
adamc@249 967
adamc@109 968 fun wrapSgi ((sgi, _), (wds, eds)) =
adamc@109 969 case sgi of
adamc@1125 970 L.SgiVal (s, _, t) =>
adamc@1125 971 let
adamc@1125 972 fun getPage (t, args) =
adamc@1125 973 case #1 t of
adamc@1125 974 L.CApp ((L.CModProj (basis, [], "transaction"), _),
adamc@1125 975 t' as
adamc@1125 976 (L.CApp
adamc@1125 977 ((L.CApp
adamc@1125 978 ((L.CApp ((L.CModProj (basis', [], "xml"), _),
adamc@1125 979 (L.CRecord (_, [((L.CName "Html", _),
adamc@1125 980 _)]), _)), _), _),
adamc@1125 981 _), _), _)) =>
adamc@1125 982 if basis = basis_n andalso basis' = basis_n then
adamc@1125 983 SOME (t', rev args)
adamc@1125 984 else
adamc@1125 985 NONE
adamc@1125 986 | L.TFun (dom, ran) => getPage (ran, dom :: args)
adamc@1125 987 | _ => NONE
adamc@1125 988 in
adamc@1125 989 case getPage (t, []) of
adamc@1125 990 NONE => (wds, eds)
adamc@1125 991 | SOME (ran', args) =>
adamc@1125 992 let
adamc@1125 993 val ran = (L.TRecord (L.CRecord ((L.KType, loc), []), loc), loc)
adamc@1125 994 val ranT = (L.CApp ((L.CModProj (basis_n, [], "transaction"), loc),
adamc@1125 995 ran), loc)
adamc@1125 996 val e = (L.EModProj (m, ms, s), loc)
adamc@249 997
adamc@1125 998 val ef = (L.EModProj (basis_n, [], "bind"), loc)
adamc@1125 999 val ef = (L.ECApp (ef, (L.CModProj (basis_n, [], "transaction"), loc)), loc)
adamc@1125 1000 val ef = (L.ECApp (ef, ran'), loc)
adamc@1125 1001 val ef = (L.ECApp (ef, ran), loc)
adamc@1125 1002 val ef = (L.EApp (ef, (L.EModProj (basis_n, [], "transaction_monad"), loc)),
adamc@1125 1003 loc)
adamc@1125 1004 val ea = ListUtil.foldri (fn (i, _, ea) =>
adamc@1125 1005 (L.EApp (ea, (L.ERel i, loc)), loc)) e args
adamc@1125 1006 val ef = (L.EApp (ef, ea), loc)
adamc@249 1007
adamc@1125 1008 val eat = (L.CApp ((L.CModProj (basis_n, [], "transaction"), loc),
adamc@1125 1009 ran), loc)
adamc@1125 1010 val ea = (L.EAbs ("p", ran', eat,
adamc@1125 1011 (L.EWrite (L.ERel 0, loc), loc)), loc)
adamc@249 1012
adamc@1125 1013 val (e, tf) = ListUtil.foldri (fn (i, t, (e, tf)) =>
adamc@1125 1014 ((L.EAbs ("x" ^ Int.toString i,
adamc@1125 1015 t, tf, e), loc),
adamc@1125 1016 (L.TFun (t, tf), loc)))
adamc@1125 1017 ((L.EApp (ef, ea), loc), ranT) args
adam@1347 1018
adam@1347 1019 val expKind = if List.exists (fn t =>
adam@1347 1020 case corifyCon st t of
adam@1347 1021 (L'.CFfi ("Basis", "postBody"), _) => true
adam@1347 1022 | _ => false) args then
adam@1347 1023 L'.Extern L'.ReadCookieWrite
adam@1347 1024 else
adam@1347 1025 L'.Link
adamc@1125 1026 in
adamc@1125 1027 ((L.DVal ("wrap_" ^ s, 0, tf, e), loc) :: wds,
adamc@1125 1028 (fn st =>
adamc@1125 1029 case #1 (corifyExp st (L.EModProj (en, [], "wrap_" ^ s), loc)) of
adam@1347 1030 L'.ENamed n => (L'.DExport (expKind, n, false), loc)
adamc@1125 1031 | _ => raise Fail "Corify: Value to export didn't corify properly")
adamc@1125 1032 :: eds)
adamc@1125 1033 end
adamc@1125 1034 end
adamc@109 1035 | _ => (wds, eds)
adamc@102 1036
adamc@109 1037 val (wds, eds) = foldl wrapSgi ([], []) sgis
adamc@109 1038 val wrapper = (L.StrConst wds, loc)
adamc@376 1039 val mst = St.lookupStrById st m
adamc@1126 1040 val mst = foldl St.lookupStrByName mst ms
adamc@376 1041 val (ds, {inner, outer}) = corifyStr (St.name mst) (wrapper, st)
adamc@109 1042 val st = St.bindStr outer "wrapper" en inner
adamc@249 1043
adamc@109 1044 val ds = ds @ map (fn f => f st) eds
adamc@109 1045 in
adamc@109 1046 (ds, st)
adamc@109 1047 end
adamc@109 1048 end
adamc@109 1049 | _ => raise Fail "Non-const signature for 'export'")
adamc@48 1050
adamc@707 1051 | L.DTable (_, x, n, c, pe, pc, ce, cc) =>
adamc@249 1052 let
adamc@249 1053 val (st, n) = St.bindVal st x n
adamc@768 1054 val s = relify (doRestify Settings.Table (mods, x))
adamc@249 1055 in
adamc@707 1056 ([(L'.DTable (x, n, corifyCon st c, s,
adamc@707 1057 corifyExp st pe, corifyCon st pc,
adamc@707 1058 corifyExp st ce, corifyCon st cc), loc)], st)
adamc@249 1059 end
adamc@338 1060 | L.DSequence (_, x, n) =>
adamc@338 1061 let
adamc@338 1062 val (st, n) = St.bindVal st x n
adamc@768 1063 val s = relify (doRestify Settings.Sequence (mods, x))
adamc@338 1064 in
adamc@338 1065 ([(L'.DSequence (x, n, s), loc)], st)
adamc@338 1066 end
adamc@754 1067 | L.DView (_, x, n, e, c) =>
adamc@754 1068 let
adamc@754 1069 val (st, n) = St.bindVal st x n
adamc@768 1070 val s = relify (doRestify Settings.View (mods, x))
adamc@754 1071 in
adamc@754 1072 ([(L'.DView (x, n, s, corifyExp st e, corifyCon st c), loc)], st)
adamc@754 1073 end
adamc@246 1074
adamc@271 1075 | L.DDatabase s => ([(L'.DDatabase s, loc)], st)
adamc@271 1076
adamc@461 1077 | L.DCookie (_, x, n, c) =>
adamc@461 1078 let
adamc@461 1079 val (st, n) = St.bindVal st x n
adamc@768 1080 val s = doRestify Settings.Cookie (mods, x)
adamc@461 1081 in
adamc@461 1082 ([(L'.DCookie (x, n, corifyCon st c, s), loc)], st)
adamc@461 1083 end
adamc@720 1084 | L.DStyle (_, x, n) =>
adamc@718 1085 let
adamc@718 1086 val (st, n) = St.bindVal st x n
adamc@768 1087 val s = relify (doRestify Settings.Style (mods, x))
adamc@718 1088 in
adamc@720 1089 ([(L'.DStyle (x, n, s), loc)], st)
adamc@718 1090 end
adamc@461 1091
adamc@1075 1092 | L.DTask (e1, e2) =>
adamc@1075 1093 ([(L'.DTask (corifyExp st e1, corifyExp st e2), loc)], st)
adamc@1073 1094
adamc@1199 1095 | L.DPolicy e1 =>
adamc@1199 1096 ([(L'.DPolicy (corifyExp st e1), loc)], st)
adamc@1199 1097
adam@1294 1098 | L.DOnError (m, ms, x) =>
adam@1294 1099 let
adam@1294 1100 val st = St.lookupStrById st m
adam@1294 1101 val st = foldl St.lookupStrByName st ms
adam@1294 1102 in
adam@1294 1103 case St.lookupValByName st x of
adam@1294 1104 St.ENormal n => ([(L'.DOnError n, loc)], st)
adam@1294 1105 | _ => (ErrorMsg.errorAt loc "Wrong type of identifier for 'onError'";
adam@1294 1106 ([], st))
adam@1294 1107 end
adam@1294 1108
adamc@376 1109 and corifyStr mods ((str, _), st) =
adamc@39 1110 case str of
adamc@39 1111 L.StrConst ds =>
adamc@39 1112 let
adamc@376 1113 val st = St.enter (st, mods)
adamc@376 1114 val (ds, st) = ListUtil.foldlMapConcat (corifyDecl mods) st ds
adamc@39 1115 in
adamc@39 1116 (ds, St.leave st)
adamc@39 1117 end
adamc@39 1118 | L.StrVar n => ([], {inner = St.lookupStrById st n, outer = st})
adamc@39 1119 | L.StrProj (str, x) =>
adamc@39 1120 let
adamc@376 1121 val (ds, {inner, outer}) = corifyStr mods (str, st)
adamc@39 1122 in
adamc@39 1123 (ds, {inner = St.lookupStrByName (x, inner), outer = outer})
adamc@39 1124 end
adamc@46 1125 | L.StrFun _ => raise Fail "Corify of nested functor definition"
adamc@46 1126 | L.StrApp (str1, str2) =>
adamc@46 1127 let
adamc@46 1128 fun unwind' (str, _) =
adamc@46 1129 case str of
adamc@46 1130 L.StrVar n => St.lookupStrById st n
adamc@46 1131 | L.StrProj (str, x) => St.lookupStrByName (x, unwind' str)
adamc@46 1132 | _ => raise Fail "Corify of fancy functor application [1]"
adamc@46 1133
adamc@46 1134 fun unwind (str, _) =
adamc@46 1135 case str of
adamc@46 1136 L.StrVar n => St.lookupFunctorById st n
adamc@46 1137 | L.StrProj (str, x) => St.lookupFunctorByName (x, unwind' str)
adamc@46 1138 | _ => raise Fail "Corify of fancy functor application [2]"
adamc@46 1139
adamc@423 1140 val (xa, na, body) = unwind str1
adamc@46 1141
adamc@376 1142 val (ds1, {inner = inner', outer}) = corifyStr mods (str2, st)
adamc@376 1143
adamc@423 1144 val (ds2, {inner, outer}) = corifyStr mods (body, St.bindStr outer xa na inner')
adamc@46 1145 in
adamc@146 1146 (ds1 @ ds2, {inner = St.bindStr inner xa na inner', outer = outer})
adamc@46 1147 end
adamc@31 1148
adamc@39 1149 fun maxName ds = foldl (fn ((d, _), n) =>
adamc@39 1150 case d of
adamc@39 1151 L.DCon (_, n', _, _) => Int.max (n, n')
adamc@806 1152 | L.DDatatype dts => foldl (fn ((_, n', _, _), n) => Int.max (n, n')) n dts
adamc@191 1153 | L.DDatatypeImp (_, n', _, _, _, _, _) => Int.max (n, n')
adamc@124 1154 | L.DVal (_, n', _, _) => Int.max (n, n')
adamc@124 1155 | L.DValRec vis => foldl (fn ((_, n', _, _), n) => Int.max (n, n)) n vis
adamc@39 1156 | L.DSgn (_, n', _) => Int.max (n, n')
adamc@48 1157 | L.DStr (_, n', _, str) => Int.max (n, Int.max (n', maxNameStr str))
adamc@100 1158 | L.DFfiStr (_, n', _) => Int.max (n, n')
adamc@246 1159 | L.DExport _ => n
adamc@707 1160 | L.DTable (_, _, n', _, _, _, _, _) => Int.max (n, n')
adamc@338 1161 | L.DSequence (_, _, n') => Int.max (n, n')
adamc@754 1162 | L.DView (_, _, n', _, _) => Int.max (n, n')
adamc@461 1163 | L.DDatabase _ => n
adamc@718 1164 | L.DCookie (_, _, n', _) => Int.max (n, n')
adamc@1073 1165 | L.DStyle (_, _, n') => Int.max (n, n')
adamc@1199 1166 | L.DTask _ => n
adam@1294 1167 | L.DPolicy _ => n
adam@1294 1168 | L.DOnError _ => n)
adamc@249 1169 0 ds
adamc@39 1170
adamc@39 1171 and maxNameStr (str, _) =
adamc@39 1172 case str of
adamc@39 1173 L.StrConst ds => maxName ds
adamc@39 1174 | L.StrVar n => n
adamc@39 1175 | L.StrProj (str, _) => maxNameStr str
adamc@45 1176 | L.StrFun (_, _, _, _, str) => maxNameStr str
adamc@45 1177 | L.StrApp (str1, str2) => Int.max (maxNameStr str1, maxNameStr str2)
adamc@39 1178
adamc@39 1179 fun corify ds =
adamc@39 1180 let
adamc@39 1181 val () = reset (maxName ds + 1)
adamc@146 1182
adamc@376 1183 val (ds, _) = ListUtil.foldlMapConcat (corifyDecl []) St.empty ds
adamc@39 1184 in
adamc@39 1185 ds
adamc@39 1186 end
adamc@16 1187
adamc@16 1188 end