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annotate src/especialize.sml @ 1382:5cb95fb7d4d5

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Broaden definition of valueish
author Adam Chlipala <adam@chlipala.net>
date Thu, 06 Jan 2011 09:25:15 -0500
parents fd34210bc3e5
children 0af6bd2dd149
rev   line source
adamc@1272 1 (* Copyright (c) 2008-2010, Adam Chlipala
adamc@443 2 * All rights reserved.
adamc@443 3 *
adamc@443 4 * Redistribution and use in source and binary forms, with or without
adamc@443 5 * modification, are permitted provided that the following conditions are met:
adamc@443 6 *
adamc@443 7 * - Redistributions of source code must retain the above copyright notice,
adamc@443 8 * this list of conditions and the following disclaimer.
adamc@443 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@443 10 * this list of conditions and the following disclaimer in the documentation
adamc@443 11 * and/or other materials provided with the distribution.
adamc@443 12 * - The names of contributors may not be used to endorse or promote products
adamc@443 13 * derived from this software without specific prior written permission.
adamc@443 14 *
adamc@443 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@443 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@443 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@443 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@443 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@443 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@443 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@443 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@443 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@443 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@443 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@443 26 *)
adamc@443 27
adamc@443 28 structure ESpecialize :> ESPECIALIZE = struct
adamc@443 29
adamc@443 30 open Core
adamc@443 31
adamc@443 32 structure E = CoreEnv
adamc@443 33 structure U = CoreUtil
adamc@443 34
adamc@479 35 type skey = exp
adamc@453 36
adamc@453 37 structure K = struct
adam@1314 38 type ord_key = con list * exp list
adam@1314 39 fun compare ((cs1, es1), (cs2, es2)) = Order.join (Order.joinL U.Con.compare (cs1, cs2),
adam@1314 40 fn () => Order.joinL U.Exp.compare (es1, es2))
adamc@443 41 end
adamc@443 42
adamc@453 43 structure KM = BinaryMapFn(K)
adamc@443 44 structure IM = IntBinaryMap
adamc@482 45 structure IS = IntBinarySet
adamc@443 46
adamc@626 47 val freeVars = U.Exp.foldB {kind = fn (_, _, xs) => xs,
adamc@488 48 con = fn (_, _, xs) => xs,
adamc@488 49 exp = fn (bound, e, xs) =>
adamc@488 50 case e of
adamc@488 51 ERel x =>
adamc@488 52 if x >= bound then
adamc@488 53 IS.add (xs, x - bound)
adamc@488 54 else
adamc@488 55 xs
adamc@488 56 | _ => xs,
adamc@488 57 bind = fn (bound, b) =>
adamc@488 58 case b of
adamc@488 59 U.Exp.RelE _ => bound + 1
adamc@488 60 | _ => bound}
adamc@488 61 0 IS.empty
adamc@479 62
adamc@1120 63 fun isPolyT (t, _) =
adamc@1120 64 case t of
adamc@1120 65 TFun (_, ran) => isPolyT ran
adamc@1120 66 | TCFun _ => true
adamc@1120 67 | TKFun _ => true
adamc@1120 68 | _ => false
adamc@1120 69
adamc@1120 70 fun isPoly (d, _) =
adamc@1120 71 case d of
adamc@1120 72 DVal (_, _, t, _, _) => isPolyT t
adamc@1120 73 | DValRec vis => List.exists (isPolyT o #3) vis
adamc@1120 74 | _ => false
adamc@522 75
adamc@488 76 fun positionOf (v : int, ls) =
adamc@488 77 let
adamc@488 78 fun pof (pos, ls) =
adamc@488 79 case ls of
adamc@488 80 [] => raise Fail "Defunc.positionOf"
adamc@488 81 | v' :: ls' =>
adamc@488 82 if v = v' then
adamc@488 83 pos
adamc@488 84 else
adamc@488 85 pof (pos + 1, ls')
adamc@488 86 in
adamc@488 87 pof (0, ls)
adamc@488 88 end
adamc@488 89
adamc@1079 90 fun squish fvs =
adamc@626 91 U.Exp.mapB {kind = fn _ => fn k => k,
adamc@488 92 con = fn _ => fn c => c,
adamc@488 93 exp = fn bound => fn e =>
adamc@479 94 case e of
adamc@488 95 ERel x =>
adamc@488 96 if x >= bound then
adamc@1079 97 ERel (positionOf (x - bound, fvs) + bound)
adamc@488 98 else
adamc@488 99 e
adamc@488 100 | _ => e,
adamc@488 101 bind = fn (bound, b) =>
adamc@488 102 case b of
adamc@488 103 U.Exp.RelE _ => bound + 1
adamc@488 104 | _ => bound}
adamc@488 105 0
adamc@453 106
adamc@443 107 type func = {
adamc@443 108 name : string,
adamc@453 109 args : int KM.map,
adamc@443 110 body : exp,
adamc@443 111 typ : con,
adamc@443 112 tag : string
adamc@443 113 }
adamc@443 114
adamc@443 115 type state = {
adamc@443 116 maxName : int,
adamc@443 117 funcs : func IM.map,
adamc@1079 118 decls : (string * int * con * exp * string) list,
adamc@1080 119 specialized : IS.set
adamc@443 120 }
adamc@443 121
adamc@488 122 fun default (_, x, st) = (x, st)
adamc@443 123
adamc@800 124 structure SS = BinarySetFn(struct
adamc@800 125 type ord_key = string
adamc@800 126 val compare = String.compare
adamc@800 127 end)
adamc@800 128
adamc@800 129 val mayNotSpec = ref SS.empty
adamc@800 130
adam@1289 131 val functionInside = U.Con.exists {kind = fn _ => false,
adam@1289 132 con = fn TFun _ => true
adam@1289 133 | CFfi ("Basis", "transaction") => true
adam@1289 134 | CFfi ("Basis", "eq") => true
adam@1289 135 | CFfi ("Basis", "num") => true
adam@1289 136 | CFfi ("Basis", "ord") => true
adam@1289 137 | CFfi ("Basis", "show") => true
adam@1289 138 | CFfi ("Basis", "read") => true
adam@1289 139 | CFfi ("Basis", "sql_injectable_prim") => true
adam@1289 140 | CFfi ("Basis", "sql_injectable") => true
adam@1289 141 | _ => false}
adam@1289 142
adamc@1080 143 fun specialize' (funcs, specialized) file =
adamc@443 144 let
adamc@488 145 fun bind (env, b) =
adamc@488 146 case b of
adamc@521 147 U.Decl.RelE xt => xt :: env
adamc@521 148 | _ => env
adamc@488 149
adamc@1080 150 fun exp (env, e as (_, loc), st : state) =
adamc@482 151 let
adamc@721 152 (*val () = Print.prefaces "exp" [("e", CorePrint.p_exp CoreEnv.empty
adamc@721 153 (e, ErrorMsg.dummySpan))]*)
adamc@721 154
adamc@1080 155 fun getApp (e, _) =
adamc@482 156 case e of
adamc@488 157 ENamed f => SOME (f, [])
adamc@482 158 | EApp (e1, e2) =>
adamc@1080 159 (case getApp e1 of
adamc@482 160 NONE => NONE
adamc@488 161 | SOME (f, xs) => SOME (f, xs @ [e2]))
adamc@482 162 | _ => NONE
adamc@1080 163
adamc@1080 164 val getApp = fn e => case getApp e of
adamc@1080 165 v as SOME (_, _ :: _) => v
adamc@1080 166 | _ => NONE
adamc@1080 167
adamc@1080 168 fun default () =
adamc@1080 169 case #1 e of
adamc@1080 170 EPrim _ => (e, st)
adamc@1080 171 | ERel _ => (e, st)
adamc@1080 172 | ENamed _ => (e, st)
adamc@1080 173 | ECon (_, _, _, NONE) => (e, st)
adamc@1080 174 | ECon (dk, pc, cs, SOME e) =>
adamc@1080 175 let
adamc@1080 176 val (e, st) = exp (env, e, st)
adamc@1080 177 in
adamc@1080 178 ((ECon (dk, pc, cs, SOME e), loc), st)
adamc@1080 179 end
adamc@1080 180 | EFfi _ => (e, st)
adamc@1080 181 | EFfiApp (m, x, es) =>
adamc@1080 182 let
adamc@1080 183 val (es, st) = ListUtil.foldlMap (fn (e, st) => exp (env, e, st)) st es
adamc@1080 184 in
adamc@1080 185 ((EFfiApp (m, x, es), loc), st)
adamc@1080 186 end
adamc@1080 187 | EApp (e1, e2) =>
adamc@1080 188 let
adamc@1080 189 val (e1, st) = exp (env, e1, st)
adamc@1080 190 val (e2, st) = exp (env, e2, st)
adamc@1080 191 in
adamc@1080 192 ((EApp (e1, e2), loc), st)
adamc@1080 193 end
adamc@1080 194 | EAbs (x, d, r, e) =>
adamc@1080 195 let
adamc@1080 196 val (e, st) = exp ((x, d) :: env, e, st)
adamc@1080 197 in
adamc@1080 198 ((EAbs (x, d, r, e), loc), st)
adamc@1080 199 end
adamc@1080 200 | ECApp (e, c) =>
adamc@1080 201 let
adamc@1080 202 val (e, st) = exp (env, e, st)
adamc@1080 203 in
adamc@1080 204 ((ECApp (e, c), loc), st)
adamc@1080 205 end
adamc@1185 206 | ECAbs _ => (e, st)
adamc@1120 207 | EKAbs _ => (e, st)
adamc@1080 208 | EKApp (e, k) =>
adamc@1080 209 let
adamc@1080 210 val (e, st) = exp (env, e, st)
adamc@1080 211 in
adamc@1080 212 ((EKApp (e, k), loc), st)
adamc@1080 213 end
adamc@1080 214 | ERecord fs =>
adamc@1080 215 let
adamc@1080 216 val (fs, st) = ListUtil.foldlMap (fn ((c1, e, c2), st) =>
adamc@1080 217 let
adamc@1080 218 val (e, st) = exp (env, e, st)
adamc@1080 219 in
adamc@1080 220 ((c1, e, c2), st)
adamc@1080 221 end) st fs
adamc@1080 222 in
adamc@1080 223 ((ERecord fs, loc), st)
adamc@1080 224 end
adamc@1080 225 | EField (e, c, cs) =>
adamc@1080 226 let
adamc@1080 227 val (e, st) = exp (env, e, st)
adamc@1080 228 in
adamc@1080 229 ((EField (e, c, cs), loc), st)
adamc@1080 230 end
adamc@1080 231 | EConcat (e1, c1, e2, c2) =>
adamc@1080 232 let
adamc@1080 233 val (e1, st) = exp (env, e1, st)
adamc@1080 234 val (e2, st) = exp (env, e2, st)
adamc@1080 235 in
adamc@1080 236 ((EConcat (e1, c1, e2, c2), loc), st)
adamc@1080 237 end
adamc@1080 238 | ECut (e, c, cs) =>
adamc@1080 239 let
adamc@1080 240 val (e, st) = exp (env, e, st)
adamc@1080 241 in
adamc@1080 242 ((ECut (e, c, cs), loc), st)
adamc@1080 243 end
adamc@1080 244 | ECutMulti (e, c, cs) =>
adamc@1080 245 let
adamc@1080 246 val (e, st) = exp (env, e, st)
adamc@1080 247 in
adamc@1080 248 ((ECutMulti (e, c, cs), loc), st)
adamc@1080 249 end
adamc@1080 250
adamc@1080 251 | ECase (e, pes, cs) =>
adamc@1080 252 let
adamc@1080 253 val (e, st) = exp (env, e, st)
adamc@1080 254 val (pes, st) = ListUtil.foldlMap (fn ((p, e), st) =>
adamc@1080 255 let
adamc@1080 256 val (e, st) = exp (E.patBindsL p @ env, e, st)
adamc@1080 257 in
adamc@1080 258 ((p, e), st)
adamc@1080 259 end) st pes
adamc@1080 260 in
adamc@1080 261 ((ECase (e, pes, cs), loc), st)
adamc@1080 262 end
adamc@1080 263
adamc@1080 264 | EWrite e =>
adamc@1080 265 let
adamc@1080 266 val (e, st) = exp (env, e, st)
adamc@1080 267 in
adamc@1080 268 ((EWrite e, loc), st)
adamc@1080 269 end
adamc@1080 270 | EClosure (n, es) =>
adamc@1080 271 let
adamc@1080 272 val (es, st) = ListUtil.foldlMap (fn (e, st) => exp (env, e, st)) st es
adamc@1080 273 in
adamc@1080 274 ((EClosure (n, es), loc), st)
adamc@1080 275 end
adamc@1080 276 | ELet (x, t, e1, e2) =>
adamc@1080 277 let
adamc@1080 278 val (e1, st) = exp (env, e1, st)
adamc@1080 279 val (e2, st) = exp ((x, t) :: env, e2, st)
adamc@1080 280 in
adamc@1080 281 ((ELet (x, t, e1, e2), loc), st)
adamc@1080 282 end
adamc@1080 283 | EServerCall (n, es, t) =>
adamc@1080 284 let
adamc@1080 285 val (es, st) = ListUtil.foldlMap (fn (e, st) => exp (env, e, st)) st es
adamc@1080 286 in
adamc@1080 287 ((EServerCall (n, es, t), loc), st)
adamc@1080 288 end
adamc@482 289 in
adamc@482 290 case getApp e of
adamc@1080 291 NONE => default ()
adamc@488 292 | SOME (f, xs) =>
adamc@485 293 case IM.find (#funcs st, f) of
adamc@1272 294 NONE => ((*print ("No find: " ^ Int.toString f ^ "\n");*) default ())
adamc@485 295 | SOME {name, args, body, typ, tag} =>
adamc@488 296 let
adamc@1080 297 val (xs, st) = ListUtil.foldlMap (fn (e, st) => exp (env, e, st)) st xs
adamc@1080 298
adamc@721 299 (*val () = Print.prefaces "Consider" [("e", CorePrint.p_exp CoreEnv.empty
adamc@721 300 (e, ErrorMsg.dummySpan))]*)
adamc@721 301
adamc@488 302 val loc = ErrorMsg.dummySpan
adamc@488 303
adamc@1080 304 fun findSplit av (xs, typ, fxs, fvs, fin) =
adamc@488 305 case (#1 typ, xs) of
adamc@488 306 (TFun (dom, ran), e :: xs') =>
adamc@1078 307 let
adamc@1079 308 val av = case #1 e of
adamc@1079 309 ERel _ => av
adamc@1079 310 | _ => false
adamc@1078 311 in
adamc@1079 312 if functionInside dom orelse (av andalso case #1 e of
adamc@1079 313 ERel _ => true
adamc@1079 314 | _ => false) then
adamc@1079 315 findSplit av (xs',
adamc@1079 316 ran,
adamc@1079 317 e :: fxs,
adamc@1080 318 IS.union (fvs, freeVars e),
adamc@1080 319 fin orelse functionInside dom)
adamc@1078 320 else
adamc@1080 321 (rev fxs, xs, fvs, fin)
adamc@1078 322 end
adamc@1080 323 | _ => (rev fxs, xs, fvs, fin)
adamc@488 324
adamc@1080 325 val (fxs, xs, fvs, fin) = findSplit true (xs, typ, [], IS.empty, false)
adamc@1079 326
adam@1382 327 fun valueish (all as (e, _)) =
adam@1355 328 case e of
adam@1355 329 EPrim _ => true
adam@1355 330 | ERel _ => true
adam@1355 331 | ENamed _ => true
adam@1355 332 | ECon (_, _, _, NONE) => true
adam@1355 333 | ECon (_, _, _, SOME e) => valueish e
adam@1355 334 | EFfi (_, _) => true
adam@1355 335 | EAbs _ => true
adam@1355 336 | ECAbs _ => true
adam@1355 337 | EKAbs _ => true
adam@1355 338 | ECApp (e, _) => valueish e
adam@1355 339 | EKApp (e, _) => valueish e
adam@1382 340 | EApp _ =>
adam@1362 341 let
adam@1362 342 fun valueishf (e, _) =
adam@1362 343 case e of
adam@1362 344 ENamed _ => true
adam@1382 345 | EFfi _ => true
adam@1382 346 | ECApp (e, _) => valueishf e
adam@1362 347 | EApp (e, (ERel _, _)) => valueishf e
adam@1382 348 | EApp (e, (ENamed _, _)) => valueishf e
adam@1362 349 | _ => false
adam@1362 350 in
adam@1382 351 valueishf all
adam@1362 352 end
adam@1355 353 | ERecord xes => List.all (valueish o #2) xes
adam@1355 354 | _ => false
adam@1355 355
adam@1314 356 val vts = map (fn n => #2 (List.nth (env, n))) (IS.listItems fvs)
adamc@1079 357 val fxs' = map (squish (IS.listItems fvs)) fxs
adam@1362 358
adam@1362 359 val p_bool = Print.PD.string o Bool.toString
adamc@488 360 in
adam@1355 361 (*Print.prefaces "Func" [("name", Print.PD.string name),
adam@1355 362 ("e", CorePrint.p_exp CoreEnv.empty e),
adam@1355 363 ("fxs'", Print.p_list (CorePrint.p_exp CoreEnv.empty) fxs')];*)
adamc@1080 364 if not fin
adamc@1080 365 orelse List.all (fn (ERel _, _) => true
adamc@1080 366 | _ => false) fxs'
adam@1355 367 orelse List.exists (not o valueish) fxs'
adamc@1079 368 orelse (IS.numItems fvs >= length fxs
adamc@1079 369 andalso IS.exists (fn n => functionInside (#2 (List.nth (env, n)))) fvs) then
adamc@1083 370 ((*Print.prefaces "No" [("name", Print.PD.string name),
adamc@1120 371 ("f", Print.PD.string (Int.toString f)),
adamc@1083 372 ("fxs'",
adam@1362 373 Print.p_list (CorePrint.p_exp CoreEnv.empty) fxs'),
adam@1362 374 ("b1", p_bool (not fin)),
adam@1362 375 ("b2", p_bool (List.all (fn (ERel _, _) => true
adam@1362 376 | _ => false) fxs')),
adam@1382 377 ("b3", p_bool (List.exists (not o valueish) fxs')),
adam@1382 378 ("b4", p_bool (IS.numItems fvs >= length fxs
adam@1362 379 andalso IS.exists (fn n => functionInside (#2 (List.nth (env, n)))) fvs))];*)
adamc@1083 380 default ())
adamc@488 381 else
adam@1314 382 case (KM.find (args, (vts, fxs')),
adamc@1083 383 SS.member (!mayNotSpec, name) (*orelse IS.member (#specialized st, f)*)) of
adamc@800 384 (SOME f', _) =>
adamc@485 385 let
adamc@488 386 val e = (ENamed f', loc)
adamc@488 387 val e = IS.foldr (fn (arg, e) => (EApp (e, (ERel arg, loc)), loc))
adamc@488 388 e fvs
adamc@1079 389 val e = foldl (fn (arg, e) => (EApp (e, arg), loc))
adamc@488 390 e xs
adamc@488 391 in
adamc@488 392 (*Print.prefaces "Brand new (reuse)"
adamc@721 393 [("e'", CorePrint.p_exp CoreEnv.empty e)];*)
adamc@1080 394 (e, st)
adamc@488 395 end
adamc@1083 396 | (_, true) => ((*Print.prefaces ("No!(" ^ name ^ ")")
adamc@818 397 [("fxs'",
adamc@818 398 Print.p_list (CorePrint.p_exp CoreEnv.empty) fxs')];*)
adamc@1080 399 default ())
adamc@800 400 | (NONE, false) =>
adamc@488 401 let
adamc@800 402 (*val () = Print.prefaces "New one"
adamc@800 403 [("f", Print.PD.string (Int.toString f)),
adamc@800 404 ("mns", Print.p_list Print.PD.string
adamc@800 405 (SS.listItems (!mayNotSpec)))]*)
adamc@800 406
adamc@818 407 (*val () = Print.prefaces ("Yes(" ^ name ^ ")")
adamc@818 408 [("fxs'",
adamc@818 409 Print.p_list (CorePrint.p_exp CoreEnv.empty) fxs')]*)
adamc@818 410
adamc@1079 411 fun subBody (body, typ, fxs') =
adamc@1079 412 case (#1 body, #1 typ, fxs') of
adamc@488 413 (_, _, []) => SOME (body, typ)
adamc@1079 414 | (EAbs (_, _, _, body'), TFun (_, typ'), x :: fxs'') =>
adamc@488 415 let
adamc@1079 416 val body'' = E.subExpInExp (0, x) body'
adamc@488 417 in
adamc@488 418 subBody (body'',
adamc@488 419 typ',
adamc@1079 420 fxs'')
adamc@488 421 end
adamc@488 422 | _ => NONE
adamc@488 423 in
adamc@1079 424 case subBody (body, typ, fxs') of
adamc@1080 425 NONE => default ()
adamc@488 426 | SOME (body', typ') =>
adamc@488 427 let
adamc@488 428 val f' = #maxName st
adam@1314 429 val args = KM.insert (args, (vts, fxs'), f')
adamc@488 430 val funcs = IM.insert (#funcs st, f, {name = name,
adamc@488 431 args = args,
adamc@488 432 body = body,
adamc@488 433 typ = typ,
adamc@488 434 tag = tag})
adamc@1079 435
adamc@488 436 val st = {
adamc@488 437 maxName = f' + 1,
adamc@488 438 funcs = funcs,
adamc@1079 439 decls = #decls st,
adamc@1080 440 specialized = IS.add (#specialized st, f')
adamc@488 441 }
adamc@487 442
adamc@488 443 (*val () = Print.prefaces "specExp"
adamc@488 444 [("f", CorePrint.p_exp env (ENamed f, loc)),
adamc@488 445 ("f'", CorePrint.p_exp env (ENamed f', loc)),
adamc@488 446 ("xs", Print.p_list (CorePrint.p_exp env) xs),
adamc@488 447 ("fxs'", Print.p_list
adamc@488 448 (CorePrint.p_exp E.empty) fxs'),
adamc@488 449 ("e", CorePrint.p_exp env (e, loc))]*)
adamc@488 450 val (body', typ') = IS.foldl (fn (n, (body', typ')) =>
adamc@488 451 let
adamc@521 452 val (x, xt) = List.nth (env, n)
adamc@488 453 in
adamc@488 454 ((EAbs (x, xt, typ', body'),
adamc@488 455 loc),
adamc@488 456 (TFun (xt, typ'), loc))
adamc@488 457 end)
adamc@488 458 (body', typ') fvs
adamc@800 459 val mns = !mayNotSpec
adamc@1080 460 (*val () = mayNotSpec := SS.add (mns, name)*)
adamc@1272 461 (*val () = print ("NEW: " ^ name ^ "__" ^ Int.toString f' ^ "\n");*)
adamc@1272 462 val body' = ReduceLocal.reduceExp body'
adamc@1080 463 (*val () = Print.preface ("PRE", CorePrint.p_exp CoreEnv.empty body')*)
adamc@1080 464 val (body', st) = exp (env, body', st)
adamc@800 465 val () = mayNotSpec := mns
adamc@482 466
adamc@488 467 val e' = (ENamed f', loc)
adamc@488 468 val e' = IS.foldr (fn (arg, e) => (EApp (e, (ERel arg, loc)), loc))
adamc@488 469 e' fvs
adamc@1079 470 val e' = foldl (fn (arg, e) => (EApp (e, arg), loc))
adamc@488 471 e' xs
adam@1362 472
adamc@488 473 (*val () = Print.prefaces "Brand new"
adamc@721 474 [("e'", CorePrint.p_exp CoreEnv.empty e'),
adamc@1080 475 ("e", CorePrint.p_exp CoreEnv.empty e),
adamc@721 476 ("body'", CorePrint.p_exp CoreEnv.empty body')]*)
adamc@488 477 in
adamc@1080 478 (e',
adamc@488 479 {maxName = #maxName st,
adamc@488 480 funcs = #funcs st,
adamc@1079 481 decls = (name, f', typ', body', tag) :: #decls st,
adamc@1079 482 specialized = #specialized st})
adamc@488 483 end
adamc@485 484 end
adamc@488 485 end
adamc@485 486 end
adamc@482 487
adamc@521 488 fun doDecl (d, (st : state, changed)) =
adamc@488 489 let
adamc@521 490 (*val befor = Time.now ()*)
adamc@482 491
adamc@453 492 val funcs = #funcs st
adamc@453 493 val funcs =
adamc@453 494 case #1 d of
adamc@453 495 DValRec vis =>
adamc@453 496 foldl (fn ((x, n, c, e, tag), funcs) =>
adamc@453 497 IM.insert (funcs, n, {name = x,
adamc@453 498 args = KM.empty,
adamc@453 499 body = e,
adamc@453 500 typ = c,
adamc@453 501 tag = tag}))
adamc@453 502 funcs vis
adamc@453 503 | _ => funcs
adamc@453 504
adamc@453 505 val st = {maxName = #maxName st,
adamc@453 506 funcs = funcs,
adamc@1079 507 decls = [],
adamc@1079 508 specialized = #specialized st}
adamc@453 509
adamc@482 510 (*val () = Print.prefaces "decl" [("d", CorePrint.p_decl CoreEnv.empty d)]*)
adamc@521 511
adamc@1080 512 val () = mayNotSpec := SS.empty
adamc@1080 513
adamc@522 514 val (d', st) =
adamc@522 515 if isPoly d then
adamc@522 516 (d, st)
adamc@522 517 else
adamc@1080 518 case #1 d of
adamc@1080 519 DVal (x, n, t, e, s) =>
adamc@1080 520 let
adam@1362 521 (*val () = Print.preface ("Visiting", Print.box [Print.PD.string (x ^ "__" ^ Int.toString n),
adam@1362 522 Print.space,
adam@1362 523 Print.PD.string ":",
adam@1362 524 Print.space,
adam@1362 525 CorePrint.p_con CoreEnv.empty t])*)
adam@1362 526
adamc@1080 527 val (e, st) = exp ([], e, st)
adamc@1080 528 in
adamc@1080 529 ((DVal (x, n, t, e, s), #2 d), st)
adamc@1080 530 end
adamc@1080 531 | DValRec vis =>
adamc@1080 532 let
adamc@1120 533 (*val () = Print.preface ("Visiting", Print.p_list (fn vi =>
adam@1362 534 Print.box [Print.PD.string (#1 vi ^ "__"
adam@1362 535 ^ Int.toString
adam@1362 536 (#2 vi)),
adam@1362 537 Print.space,
adam@1362 538 Print.PD.string ":",
adam@1362 539 Print.space,
adam@1362 540 CorePrint.p_con CoreEnv.empty (#3 vi)])
adamc@1120 541 vis)*)
adamc@1120 542
adamc@1080 543 val (vis, st) = ListUtil.foldlMap (fn ((x, n, t, e, s), st) =>
adamc@1080 544 let
adamc@1120 545 val () = mayNotSpec := SS.empty
adamc@1080 546 val (e, st) = exp ([], e, st)
adamc@1080 547 in
adamc@1080 548 ((x, n, t, e, s), st)
adamc@1080 549 end) st vis
adamc@1080 550 in
adamc@1080 551 ((DValRec vis, #2 d), st)
adamc@1080 552 end
adamc@1080 553 | DTable (s, n, t, s1, e1, t1, e2, t2) =>
adamc@1080 554 let
adamc@1080 555 val (e1, st) = exp ([], e1, st)
adamc@1080 556 val (e2, st) = exp ([], e2, st)
adamc@1080 557 in
adamc@1080 558 ((DTable (s, n, t, s1, e1, t2, e2, t2), #2 d), st)
adamc@1080 559 end
adamc@1080 560 | DView (x, n, s, e, t) =>
adamc@1080 561 let
adamc@1080 562 val (e, st) = exp ([], e, st)
adamc@1080 563 in
adamc@1080 564 ((DView (x, n, s, e, t), #2 d), st)
adamc@1080 565 end
adamc@1080 566 | DTask (e1, e2) =>
adamc@1080 567 let
adamc@1080 568 val (e1, st) = exp ([], e1, st)
adamc@1080 569 val (e2, st) = exp ([], e2, st)
adamc@1080 570 in
adamc@1080 571 ((DTask (e1, e2), #2 d), st)
adamc@1080 572 end
adamc@1080 573 | _ => (d, st)
adamc@1080 574
adamc@1080 575 val () = mayNotSpec := SS.empty
adamc@521 576
adamc@482 577 (*val () = print "/decl\n"*)
adamc@443 578
adamc@443 579 val funcs = #funcs st
adamc@443 580 val funcs =
adamc@443 581 case #1 d of
adamc@443 582 DVal (x, n, c, e as (EAbs _, _), tag) =>
adamc@443 583 IM.insert (funcs, n, {name = x,
adamc@453 584 args = KM.empty,
adamc@443 585 body = e,
adamc@443 586 typ = c,
adamc@443 587 tag = tag})
adamc@469 588 | DVal (_, n, _, (ENamed n', _), _) =>
adamc@469 589 (case IM.find (funcs, n') of
adamc@469 590 NONE => funcs
adamc@469 591 | SOME v => IM.insert (funcs, n, v))
adamc@443 592 | _ => funcs
adamc@443 593
adamc@453 594 val (changed, ds) =
adamc@443 595 case #decls st of
adamc@453 596 [] => (changed, [d'])
adamc@453 597 | vis =>
adamc@453 598 (true, case d' of
adamc@453 599 (DValRec vis', _) => [(DValRec (vis @ vis'), ErrorMsg.dummySpan)]
adamc@453 600 | _ => [(DValRec vis, ErrorMsg.dummySpan), d'])
adamc@443 601 in
adamc@802 602 (*Print.prefaces "doDecl" [("d", CorePrint.p_decl E.empty d),
adamc@802 603 ("d'", CorePrint.p_decl E.empty d')];*)
adamc@521 604 (ds, ({maxName = #maxName st,
adamc@453 605 funcs = funcs,
adamc@1079 606 decls = [],
adamc@1079 607 specialized = #specialized st}, changed))
adamc@443 608 end
adamc@443 609
adamc@1120 610 (*val () = Print.preface ("RESET", CorePrint.p_file CoreEnv.empty file)*)
adamc@1079 611 val (ds, (st, changed)) = ListUtil.foldlMapConcat doDecl
adamc@521 612 ({maxName = U.File.maxName file + 1,
adamc@1080 613 funcs = funcs,
adamc@1079 614 decls = [],
adamc@1079 615 specialized = specialized},
adamc@488 616 false)
adamc@488 617 file
adamc@443 618 in
adamc@1120 619 (*print ("Changed = " ^ Bool.toString changed ^ "\n");*)
adamc@1080 620 (changed, ds, #funcs st, #specialized st)
adamc@443 621 end
adamc@443 622
adamc@1080 623 fun specializeL (funcs, specialized) file =
adamc@453 624 let
adamc@721 625 val file = ReduceLocal.reduce file
adamc@520 626 (*val file = ReduceLocal.reduce file*)
adamc@1080 627 val (changed, file, funcs, specialized) = specialize' (funcs, specialized) file
adamc@520 628 (*val file = ReduceLocal.reduce file
adamc@520 629 val file = CoreUntangle.untangle file
adamc@488 630 val file = Shake.shake file*)
adamc@453 631 in
adamc@488 632 (*print "Round over\n";*)
adamc@453 633 if changed then
adamc@520 634 let
adamc@721 635 (*val file = ReduceLocal.reduce file*)
adamc@802 636 (*val () = Print.prefaces "Pre-untangle" [("file", CorePrint.p_file CoreEnv.empty file)]*)
adamc@520 637 val file = CoreUntangle.untangle file
adamc@802 638 (*val () = Print.prefaces "Post-untangle" [("file", CorePrint.p_file CoreEnv.empty file)]*)
adamc@520 639 val file = Shake.shake file
adamc@520 640 in
adamc@520 641 (*print "Again!\n";*)
adamc@1080 642 (*Print.prefaces "Again" [("file", CorePrint.p_file CoreEnv.empty file)];*)
adamc@1080 643 specializeL (funcs, specialized) file
adamc@520 644 end
adamc@453 645 else
adamc@453 646 file
adamc@453 647 end
adamc@453 648
adamc@1080 649 val specialize = specializeL (IM.empty, IS.empty)
adamc@1079 650
adamc@443 651 end