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annotate src/cjr_print.sml @ 198:ab86aa858e6c

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'Option' datatype encoding
author Adam Chlipala <adamc@hcoop.net>
date Sat, 09 Aug 2008 19:23:31 -0400
parents b1b9bcfd8c42
children c938fe391c84
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@29 37 structure E = CjrEnv
adamc@29 38 structure EM = ErrorMsg
adamc@29 39
adamc@144 40 structure SK = struct
adamc@144 41 type ord_key = string
adamc@144 42 val compare = String.compare
adamc@144 43 end
adamc@144 44
adamc@144 45 structure SS = BinarySetFn(SK)
adamc@144 46 structure SM = BinaryMapFn(SK)
adamc@144 47 structure IS = IntBinarySet
adamc@144 48
adamc@144 49 structure CM = BinaryMapFn(struct
adamc@144 50 type ord_key = char
adamc@144 51 val compare = Char.compare
adamc@144 52 end)
adamc@144 53
adamc@29 54 val debug = ref false
adamc@29 55
adamc@196 56 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 57
adamc@29 58 fun p_typ' par env (t, loc) =
adamc@29 59 case t of
adamc@101 60 TTop => string "void*"
adamc@109 61 | TFun (t1, t2) => parenIf par (box [p_typ' true env t2,
adamc@109 62 space,
adamc@109 63 string "(*)",
adamc@109 64 space,
adamc@109 65 string "(",
adamc@109 66 p_typ env t1,
adamc@109 67 string ")"])
adamc@29 68 | TRecord i => box [string "struct",
adamc@29 69 space,
adamc@29 70 string "__lws_",
adamc@29 71 string (Int.toString i)]
adamc@188 72 | TDatatype (Enum, n, _) =>
adamc@188 73 (box [string "enum",
adamc@188 74 space,
adamc@188 75 string ("__lwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@188 76 handle CjrEnv.UnboundNamed _ => string ("__lwd_UNBOUND__" ^ Int.toString n))
adamc@198 77 | TDatatype (Option, n, xncs) =>
adamc@198 78 (case ListUtil.search #3 (!xncs) of
adamc@198 79 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 80 | SOME t =>
adamc@198 81 case #1 t of
adamc@198 82 TDatatype _ => p_typ' par env t
adamc@198 83 | _ => box [p_typ' par env t,
adamc@198 84 string "*"])
adamc@188 85 | TDatatype (Default, n, _) =>
adamc@165 86 (box [string "struct",
adamc@165 87 space,
adamc@166 88 string ("__lwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@166 89 handle CjrEnv.UnboundNamed _ => string ("__lwd_UNBOUND__" ^ Int.toString n))
adamc@53 90 | TFfi (m, x) => box [string "lw_", string m, string "_", string x]
adamc@29 91
adamc@29 92 and p_typ env = p_typ' false env
adamc@29 93
adamc@29 94 fun p_rel env n = string ("__lwr_" ^ #1 (E.lookupERel env n) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 95 handle CjrEnv.UnboundRel _ => string ("__lwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 96
adamc@109 97 fun p_enamed env n =
adamc@109 98 string ("__lwn_" ^ #1 (E.lookupENamed env n) ^ "_" ^ Int.toString n)
adamc@109 99 handle CjrEnv.UnboundNamed _ => string ("__lwn_UNBOUND_" ^ Int.toString n)
adamc@109 100
adamc@182 101 fun p_con_named env n =
adamc@182 102 string ("__lwc_" ^ #1 (E.lookupConstructor env n) ^ "_" ^ Int.toString n)
adamc@182 103 handle CjrEnv.UnboundNamed _ => string ("__lwc_UNBOUND_" ^ Int.toString n)
adamc@182 104
adamc@182 105 fun p_pat_preamble env (p, _) =
adamc@182 106 case p of
adamc@182 107 PWild => (box [],
adamc@182 108 env)
adamc@182 109 | PVar (x, t) => (box [p_typ env t,
adamc@182 110 space,
adamc@182 111 string "__lwr_",
adamc@182 112 string x,
adamc@182 113 string "_",
adamc@182 114 string (Int.toString (E.countERels env)),
adamc@182 115 string ";",
adamc@182 116 newline],
adamc@196 117 E.pushERel env x t)
adamc@182 118 | PPrim _ => (box [], env)
adamc@188 119 | PCon (_, _, NONE) => (box [], env)
adamc@188 120 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 121 | PRecord xps =>
adamc@182 122 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 123 let
adamc@182 124 val (pp', env) = p_pat_preamble env p
adamc@182 125 in
adamc@182 126 (box [pp', pp], env)
adamc@182 127 end) (box [], env) xps
adamc@182 128
adamc@182 129 fun p_patCon env pc =
adamc@182 130 case pc of
adamc@182 131 PConVar n => p_con_named env n
adamc@186 132 | PConFfi {mod = m, con, ...} => string ("lw_" ^ m ^ "_" ^ con)
adamc@182 133
adamc@182 134 fun p_pat (env, exit, depth) (p, _) =
adamc@182 135 case p of
adamc@182 136 PWild =>
adamc@182 137 (box [], env)
adamc@182 138 | PVar (x, t) =>
adamc@182 139 (box [string "__lwr_",
adamc@182 140 string x,
adamc@182 141 string "_",
adamc@182 142 string (Int.toString (E.countERels env)),
adamc@182 143 space,
adamc@182 144 string "=",
adamc@182 145 space,
adamc@182 146 string "disc",
adamc@182 147 string (Int.toString depth),
adamc@182 148 string ";"],
adamc@182 149 E.pushERel env x t)
adamc@182 150 | PPrim (Prim.Int n) =>
adamc@182 151 (box [string "if",
adamc@182 152 space,
adamc@182 153 string "(disc",
adamc@182 154 string (Int.toString depth),
adamc@182 155 space,
adamc@182 156 string "!=",
adamc@182 157 space,
adamc@182 158 Prim.p_t (Prim.Int n),
adamc@182 159 string ")",
adamc@182 160 space,
adamc@182 161 exit],
adamc@182 162 env)
adamc@182 163 | PPrim (Prim.String s) =>
adamc@182 164 (box [string "if",
adamc@182 165 space,
adamc@182 166 string "(strcmp(disc",
adamc@182 167 string (Int.toString depth),
adamc@182 168 string ",",
adamc@182 169 space,
adamc@182 170 Prim.p_t (Prim.String s),
adamc@182 171 string "))",
adamc@182 172 space,
adamc@182 173 exit],
adamc@182 174 env)
adamc@182 175 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 176
adamc@188 177 | PCon (dk, pc, po) =>
adamc@182 178 let
adamc@182 179 val (p, env) =
adamc@182 180 case po of
adamc@182 181 NONE => (box [], env)
adamc@182 182 | SOME p =>
adamc@182 183 let
adamc@182 184 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 185
adamc@182 186 val (x, to) = case pc of
adamc@182 187 PConVar n =>
adamc@182 188 let
adamc@182 189 val (x, to, _) = E.lookupConstructor env n
adamc@182 190 in
adamc@196 191 ("lw_" ^ x, to)
adamc@182 192 end
adamc@188 193 | PConFfi {mod = m, con, arg, ...} =>
adamc@188 194 ("lw_" ^ m ^ "_" ^ con, arg)
adamc@182 195
adamc@182 196 val t = case to of
adamc@182 197 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 198 | SOME t => t
adamc@182 199 in
adamc@182 200 (box [string "{",
adamc@182 201 newline,
adamc@182 202 p_typ env t,
adamc@182 203 space,
adamc@182 204 string "disc",
adamc@182 205 string (Int.toString (depth + 1)),
adamc@182 206 space,
adamc@182 207 string "=",
adamc@182 208 space,
adamc@198 209 case dk of
adamc@198 210 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 211 | Default => box [string "disc",
adamc@198 212 string (Int.toString depth),
adamc@198 213 string "->data.",
adamc@198 214 string x]
adamc@198 215 | Option =>
adamc@198 216 case #1 t of
adamc@198 217 TDatatype _ => box [string "disc",
adamc@198 218 string (Int.toString depth)]
adamc@198 219 | _ => box [string "*disc",
adamc@198 220 string (Int.toString depth)],
adamc@182 221 string ";",
adamc@182 222 newline,
adamc@182 223 p,
adamc@182 224 newline,
adamc@182 225 string "}"],
adamc@182 226 env)
adamc@182 227 end
adamc@182 228 in
adamc@182 229 (box [string "if",
adamc@182 230 space,
adamc@182 231 string "(disc",
adamc@182 232 string (Int.toString depth),
adamc@198 233 case (dk, po) of
adamc@198 234 (Enum, _) => box [space,
adamc@198 235 string "!=",
adamc@198 236 space,
adamc@198 237 p_patCon env pc]
adamc@198 238 | (Default, _) => box [string "->tag",
adamc@198 239 space,
adamc@198 240 string "!=",
adamc@198 241 space,
adamc@198 242 p_patCon env pc]
adamc@198 243 | (Option, NONE) => box [space,
adamc@198 244 string "!=",
adamc@198 245 space,
adamc@198 246 string "NULL"]
adamc@198 247 | (Option, SOME _) => box [space,
adamc@198 248 string "==",
adamc@198 249 space,
adamc@198 250 string "NULL"],
adamc@182 251 string ")",
adamc@182 252 space,
adamc@182 253 exit,
adamc@182 254 newline,
adamc@182 255 p],
adamc@182 256 env)
adamc@182 257 end
adamc@182 258
adamc@182 259 | PRecord xps =>
adamc@182 260 let
adamc@182 261 val (xps, env) =
adamc@182 262 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 263 let
adamc@182 264 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 265
adamc@182 266 val p = box [string "{",
adamc@182 267 newline,
adamc@182 268 p_typ env t,
adamc@182 269 space,
adamc@182 270 string "disc",
adamc@182 271 string (Int.toString (depth + 1)),
adamc@182 272 space,
adamc@182 273 string "=",
adamc@182 274 space,
adamc@182 275 string "disc",
adamc@182 276 string (Int.toString depth),
adamc@196 277 string ".__lwf_",
adamc@182 278 string x,
adamc@182 279 string ";",
adamc@182 280 newline,
adamc@182 281 p,
adamc@182 282 newline,
adamc@182 283 string "}"]
adamc@182 284 in
adamc@182 285 (p, env)
adamc@182 286 end) env xps
adamc@182 287 in
adamc@182 288 (p_list_sep newline (fn x => x) xps,
adamc@182 289 env)
adamc@182 290 end
adamc@182 291
adamc@182 292 local
adamc@182 293 val count = ref 0
adamc@182 294 in
adamc@182 295 fun newGoto () =
adamc@182 296 let
adamc@182 297 val r = !count
adamc@182 298 in
adamc@182 299 count := r + 1;
adamc@182 300 string ("L" ^ Int.toString r)
adamc@182 301 end
adamc@182 302 end
adamc@182 303
adamc@185 304 fun patConInfo env pc =
adamc@185 305 case pc of
adamc@185 306 PConVar n =>
adamc@185 307 let
adamc@185 308 val (x, _, dn) = E.lookupConstructor env n
adamc@185 309 val (dx, _) = E.lookupDatatype env dn
adamc@185 310 in
adamc@185 311 ("__lwd_" ^ dx ^ "_" ^ Int.toString dn,
adamc@196 312 "__lwc_" ^ x ^ "_" ^ Int.toString n,
adamc@196 313 "lw_" ^ x)
adamc@185 314 end
adamc@186 315 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@185 316 ("lw_" ^ m ^ "_" ^ datatyp,
adamc@196 317 "lw_" ^ m ^ "_" ^ con,
adamc@196 318 "lw_" ^ con)
adamc@185 319
adamc@182 320 fun p_exp' par env (e, loc) =
adamc@29 321 case e of
adamc@29 322 EPrim p => Prim.p_t p
adamc@29 323 | ERel n => p_rel env n
adamc@109 324 | ENamed n => p_enamed env n
adamc@188 325 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 326 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 327 | ECon (Option, pc, SOME e) =>
adamc@198 328 let
adamc@198 329 val to = case pc of
adamc@198 330 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 331 | PConFfi {arg, ...} => arg
adamc@198 332
adamc@198 333 val t = case to of
adamc@198 334 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 335 | SOME t => t
adamc@198 336 in
adamc@198 337 case #1 t of
adamc@198 338 TDatatype _ => p_exp' par env e
adamc@198 339 | _ => box [string "({",
adamc@198 340 newline,
adamc@198 341 p_typ env t,
adamc@198 342 space,
adamc@198 343 string "*tmp",
adamc@198 344 space,
adamc@198 345 string "=",
adamc@198 346 space,
adamc@198 347 string "lw_malloc(ctx, sizeof(",
adamc@198 348 p_typ env t,
adamc@198 349 string "));",
adamc@198 350 newline,
adamc@198 351 string "*tmp",
adamc@198 352 space,
adamc@198 353 string "=",
adamc@198 354 p_exp' par env e,
adamc@198 355 string ";",
adamc@198 356 newline,
adamc@198 357 string "tmp;",
adamc@198 358 newline,
adamc@198 359 string "})"]
adamc@198 360 end
adamc@188 361 | ECon (Default, pc, eo) =>
adamc@181 362 let
adamc@196 363 val (xd, xc, xn) = patConInfo env pc
adamc@181 364 in
adamc@182 365 box [string "({",
adamc@181 366 newline,
adamc@181 367 string "struct",
adamc@181 368 space,
adamc@185 369 string xd,
adamc@181 370 space,
adamc@181 371 string "*tmp",
adamc@181 372 space,
adamc@181 373 string "=",
adamc@181 374 space,
adamc@185 375 string "lw_malloc(ctx, sizeof(struct ",
adamc@185 376 string xd,
adamc@181 377 string "));",
adamc@181 378 newline,
adamc@181 379 string "tmp->tag",
adamc@181 380 space,
adamc@181 381 string "=",
adamc@181 382 space,
adamc@185 383 string xc,
adamc@181 384 string ";",
adamc@181 385 newline,
adamc@181 386 case eo of
adamc@181 387 NONE => box []
adamc@185 388 | SOME e => box [string "tmp->data.",
adamc@196 389 string xn,
adamc@181 390 space,
adamc@181 391 string "=",
adamc@181 392 space,
adamc@181 393 p_exp env e,
adamc@181 394 string ";",
adamc@181 395 newline],
adamc@181 396 string "tmp;",
adamc@181 397 newline,
adamc@181 398 string "})"]
adamc@181 399 end
adamc@109 400
adamc@53 401 | EFfi (m, x) => box [string "lw_", string m, string "_", string x]
adamc@53 402 | EFfiApp (m, x, es) => box [string "lw_",
adamc@53 403 string m,
adamc@53 404 string "_",
adamc@53 405 string x,
adamc@117 406 string "(ctx, ",
adamc@53 407 p_list (p_exp env) es,
adamc@53 408 string ")"]
adamc@129 409 | EApp (e1, e2) =>
adamc@129 410 let
adamc@129 411 fun unravel (f, acc) =
adamc@129 412 case #1 f of
adamc@129 413 EApp (f', arg) => unravel (f', arg :: acc)
adamc@129 414 | _ => (f, acc)
adamc@129 415
adamc@129 416 val (f, args) = unravel (e1, [e2])
adamc@129 417 in
adamc@129 418 parenIf par (box [p_exp' true env e1,
adamc@129 419 string "(ctx,",
adamc@129 420 space,
adamc@129 421 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@129 422 string ")"])
adamc@129 423 end
adamc@29 424
adamc@29 425 | ERecord (i, xes) => box [string "({",
adamc@29 426 space,
adamc@29 427 string "struct",
adamc@29 428 space,
adamc@29 429 string ("__lws_" ^ Int.toString i),
adamc@29 430 space,
adamc@181 431 string "tmp",
adamc@29 432 space,
adamc@29 433 string "=",
adamc@29 434 space,
adamc@29 435 string "{",
adamc@29 436 p_list (fn (_, e) =>
adamc@29 437 p_exp env e) xes,
adamc@29 438 string "};",
adamc@29 439 space,
adamc@181 440 string "tmp;",
adamc@29 441 space,
adamc@29 442 string "})" ]
adamc@29 443 | EField (e, x) =>
adamc@29 444 box [p_exp' true env e,
adamc@182 445 string ".__lwf_",
adamc@29 446 string x]
adamc@29 447
adamc@182 448 | ECase (e, pes, {disc, result}) =>
adamc@182 449 let
adamc@182 450 val final = newGoto ()
adamc@182 451
adamc@182 452 val body = foldl (fn ((p, e), body) =>
adamc@182 453 let
adamc@182 454 val exit = newGoto ()
adamc@182 455 val (pr, _) = p_pat_preamble env p
adamc@182 456 val (p, env) = p_pat (env,
adamc@182 457 box [string "goto",
adamc@182 458 space,
adamc@182 459 exit,
adamc@182 460 string ";"],
adamc@182 461 0) p
adamc@182 462 in
adamc@182 463 box [body,
adamc@182 464 box [string "{",
adamc@182 465 newline,
adamc@182 466 pr,
adamc@182 467 newline,
adamc@182 468 p,
adamc@182 469 newline,
adamc@182 470 string "result",
adamc@182 471 space,
adamc@182 472 string "=",
adamc@182 473 space,
adamc@182 474 p_exp env e,
adamc@182 475 string ";",
adamc@182 476 newline,
adamc@182 477 string "goto",
adamc@182 478 space,
adamc@182 479 final,
adamc@182 480 string ";",
adamc@182 481 newline,
adamc@182 482 string "}"],
adamc@182 483 newline,
adamc@182 484 exit,
adamc@182 485 string ":",
adamc@182 486 newline]
adamc@182 487 end) (box []) pes
adamc@182 488 in
adamc@182 489 box [string "({",
adamc@182 490 newline,
adamc@182 491 p_typ env disc,
adamc@182 492 space,
adamc@182 493 string "disc0",
adamc@182 494 space,
adamc@182 495 string "=",
adamc@182 496 space,
adamc@182 497 p_exp env e,
adamc@182 498 string ";",
adamc@182 499 newline,
adamc@182 500 p_typ env result,
adamc@182 501 space,
adamc@182 502 string "result;",
adamc@182 503 newline,
adamc@182 504 body,
adamc@182 505 string "lw_error(ctx, FATAL, \"",
adamc@182 506 string (ErrorMsg.spanToString loc),
adamc@182 507 string ": pattern match failure\");",
adamc@182 508 newline,
adamc@182 509 final,
adamc@182 510 string ":",
adamc@182 511 space,
adamc@182 512 string "result;",
adamc@182 513 newline,
adamc@182 514 string "})"]
adamc@182 515 end
adamc@181 516
adamc@117 517 | EWrite e => box [string "(lw_write(ctx, ",
adamc@102 518 p_exp env e,
adamc@102 519 string "), lw_unit_v)"]
adamc@102 520
adamc@106 521 | ESeq (e1, e2) => box [string "(",
adamc@106 522 p_exp env e1,
adamc@106 523 string ",",
adamc@106 524 space,
adamc@106 525 p_exp env e2,
adamc@106 526 string ")"]
adamc@106 527
adamc@29 528 and p_exp env = p_exp' false env
adamc@29 529
adamc@129 530 fun p_fun env (fx, n, args, ran, e) =
adamc@129 531 let
adamc@129 532 val nargs = length args
adamc@129 533 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 534 in
adamc@129 535 box [string "static",
adamc@129 536 space,
adamc@129 537 p_typ env ran,
adamc@129 538 space,
adamc@129 539 string ("__lwn_" ^ fx ^ "_" ^ Int.toString n),
adamc@129 540 string "(",
adamc@129 541 p_list_sep (box [string ",", space]) (fn x => x)
adamc@129 542 (string "lw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 543 box [p_typ env dom,
adamc@129 544 space,
adamc@129 545 p_rel env' (nargs - i - 1)]) args),
adamc@129 546 string ")",
adamc@129 547 space,
adamc@129 548 string "{",
adamc@129 549 newline,
adamc@129 550 box[string "return(",
adamc@129 551 p_exp env' e,
adamc@129 552 string ");"],
adamc@129 553 newline,
adamc@129 554 string "}"]
adamc@129 555 end
adamc@129 556
adamc@129 557 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 558 case d of
adamc@29 559 DStruct (n, xts) =>
adamc@196 560 let
adamc@196 561 val env = E.declBinds env dAll
adamc@196 562 in
adamc@196 563 box [string "struct",
adamc@196 564 space,
adamc@196 565 string ("__lws_" ^ Int.toString n),
adamc@196 566 space,
adamc@196 567 string "{",
adamc@196 568 newline,
adamc@196 569 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 570 space,
adamc@196 571 string "__lwf_",
adamc@196 572 string x,
adamc@196 573 string ";",
adamc@196 574 newline]) xts,
adamc@196 575 string "};"]
adamc@196 576 end
adamc@188 577 | DDatatype (Enum, x, n, xncs) =>
adamc@188 578 box [string "enum",
adamc@188 579 space,
adamc@188 580 string ("__lwe_" ^ x ^ "_" ^ Int.toString n),
adamc@188 581 space,
adamc@188 582 string "{",
adamc@188 583 space,
adamc@188 584 p_list_sep (box [string ",", space]) (fn (x, n, _) => string ("__lwc_" ^ x ^ "_" ^ Int.toString n)) xncs,
adamc@188 585 space,
adamc@188 586 string "};"]
adamc@198 587 | DDatatype (Option, _, _, _) => box []
adamc@188 588 | DDatatype (Default, x, n, xncs) =>
adamc@165 589 let
adamc@165 590 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 591 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 592 in
adamc@165 593 box [string "enum",
adamc@165 594 space,
adamc@165 595 string ("__lwe_" ^ x ^ "_" ^ Int.toString n),
adamc@165 596 space,
adamc@165 597 string "{",
adamc@165 598 space,
adamc@165 599 p_list_sep (box [string ",", space]) (fn (x, n, _) => string ("__lwc_" ^ x ^ "_" ^ Int.toString n)) xncs,
adamc@165 600 space,
adamc@165 601 string "};",
adamc@165 602 newline,
adamc@165 603 newline,
adamc@165 604 string "struct",
adamc@165 605 space,
adamc@167 606 string ("__lwd_" ^ x ^ "_" ^ Int.toString n),
adamc@165 607 space,
adamc@165 608 string "{",
adamc@165 609 newline,
adamc@165 610 string "enum",
adamc@165 611 space,
adamc@165 612 string ("__lwe_" ^ x ^ "_" ^ Int.toString n),
adamc@165 613 space,
adamc@165 614 string "tag;",
adamc@165 615 newline,
adamc@165 616 box (case xncsArgs of
adamc@165 617 [] => []
adamc@165 618 | _ => [string "union",
adamc@165 619 space,
adamc@165 620 string "{",
adamc@165 621 newline,
adamc@165 622 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 623 space,
adamc@196 624 string ("lw_" ^ x),
adamc@165 625 string ";"]) xncsArgs,
adamc@165 626 newline,
adamc@165 627 string "}",
adamc@165 628 space,
adamc@165 629 string "data;",
adamc@165 630 newline]),
adamc@165 631 string "};"]
adamc@188 632 end
adamc@29 633
adamc@196 634 | DDatatypeForward _ => box []
adamc@196 635
adamc@29 636 | DVal (x, n, t, e) =>
adamc@29 637 box [p_typ env t,
adamc@29 638 space,
adamc@29 639 string ("__lwn_" ^ x ^ "_" ^ Int.toString n),
adamc@29 640 space,
adamc@29 641 string "=",
adamc@29 642 space,
adamc@29 643 p_exp env e,
adamc@29 644 string ";"]
adamc@129 645 | DFun vi => p_fun env vi
adamc@129 646 | DFunRec vis =>
adamc@29 647 let
adamc@129 648 val env = E.declBinds env dAll
adamc@29 649 in
adamc@129 650 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 651 box [string "static",
adamc@129 652 space,
adamc@129 653 p_typ env ran,
adamc@129 654 space,
adamc@129 655 string ("__lwn_" ^ fx ^ "_" ^ Int.toString n),
adamc@129 656 string "(lw_context,",
adamc@129 657 space,
adamc@129 658 p_list_sep (box [string ",", space])
adamc@129 659 (fn (_, dom) => p_typ env dom) args,
adamc@129 660 string ");"]) vis,
adamc@29 661 newline,
adamc@129 662 p_list_sep newline (p_fun env) vis,
adamc@129 663 newline]
adamc@29 664 end
adamc@29 665
adamc@144 666 datatype 'a search =
adamc@144 667 Found of 'a
adamc@144 668 | NotFound
adamc@144 669 | Error
adamc@120 670
adamc@101 671
adamc@101 672 fun p_file env (ds, ps) =
adamc@29 673 let
adamc@101 674 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 675 (p_decl env d,
adamc@31 676 E.declBinds env d))
adamc@101 677 env ds
adamc@144 678
adamc@144 679 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 680 case ek of
adamc@144 681 Core.Link => fields
adamc@144 682 | Core.Action =>
adamc@144 683 case List.last ts of
adamc@144 684 (TRecord i, _) =>
adamc@144 685 let
adamc@144 686 val xts = E.lookupStruct env i
adamc@144 687 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 688 in
adamc@144 689 foldl (fn ((x, _), fields) =>
adamc@144 690 let
adamc@144 691 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 692 in
adamc@144 693 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 694 xtsSet'))
adamc@144 695 end) fields xts
adamc@144 696 end
adamc@144 697 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 698 SM.empty ps
adamc@144 699
adamc@144 700 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 701 let
adamc@144 702 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 703 case SM.find (fnums, x') of
adamc@144 704 NONE => unusable
adamc@144 705 | SOME n => IS.add (unusable, n))
adamc@144 706 IS.empty xs
adamc@144 707
adamc@144 708 fun findAvailable n =
adamc@144 709 if IS.member (unusable, n) then
adamc@144 710 findAvailable (n + 1)
adamc@144 711 else
adamc@144 712 n
adamc@144 713 in
adamc@144 714 SM.insert (fnums, x, findAvailable 0)
adamc@144 715 end)
adamc@144 716 SM.empty fields
adamc@144 717
adamc@144 718 fun makeSwitch (fnums, i) =
adamc@144 719 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 720 | (n, Error) => Error
adamc@144 721 | (n, Found n') => if n = n' then
adamc@144 722 Found n'
adamc@144 723 else
adamc@144 724 Error) NotFound fnums of
adamc@144 725 NotFound => box [string "return",
adamc@144 726 space,
adamc@144 727 string "-1;"]
adamc@144 728 | Found n => box [string "return",
adamc@144 729 space,
adamc@144 730 string (Int.toString n),
adamc@144 731 string ";"]
adamc@144 732 | Error =>
adamc@144 733 let
adamc@144 734 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 735 let
adamc@144 736 val ch = if i < size x then
adamc@144 737 String.sub (x, i)
adamc@144 738 else
adamc@144 739 chr 0
adamc@144 740
adamc@144 741 val fnums = case CM.find (cmap, ch) of
adamc@144 742 NONE => SM.empty
adamc@144 743 | SOME fnums => fnums
adamc@144 744 val fnums = SM.insert (fnums, x, n)
adamc@144 745 in
adamc@144 746 CM.insert (cmap, ch, fnums)
adamc@144 747 end)
adamc@144 748 CM.empty fnums
adamc@144 749
adamc@144 750 val cmap = CM.listItemsi cmap
adamc@144 751 in
adamc@144 752 case cmap of
adamc@144 753 [(_, fnums)] =>
adamc@144 754 box [string "if",
adamc@144 755 space,
adamc@144 756 string "(name[",
adamc@144 757 string (Int.toString i),
adamc@144 758 string "]",
adamc@144 759 space,
adamc@144 760 string "==",
adamc@144 761 space,
adamc@144 762 string "0)",
adamc@144 763 space,
adamc@144 764 string "return",
adamc@144 765 space,
adamc@144 766 string "-1;",
adamc@144 767 newline,
adamc@144 768 makeSwitch (fnums, i+1)]
adamc@144 769 | _ =>
adamc@144 770 box [string "switch",
adamc@144 771 space,
adamc@144 772 string "(name[",
adamc@144 773 string (Int.toString i),
adamc@144 774 string "])",
adamc@144 775 space,
adamc@144 776 string "{",
adamc@144 777 newline,
adamc@144 778 box (map (fn (ch, fnums) =>
adamc@144 779 box [string "case",
adamc@144 780 space,
adamc@144 781 if ch = chr 0 then
adamc@144 782 string "0:"
adamc@144 783 else
adamc@144 784 box [string "'",
adamc@144 785 string (Char.toString ch),
adamc@144 786 string "':"],
adamc@144 787 newline,
adamc@144 788 makeSwitch (fnums, i+1),
adamc@144 789 newline]) cmap),
adamc@144 790 string "default:",
adamc@144 791 newline,
adamc@144 792 string "return",
adamc@144 793 space,
adamc@144 794 string "-1;",
adamc@144 795 newline,
adamc@144 796 string "}"]
adamc@144 797 end
adamc@144 798
adamc@186 799 fun capitalize s =
adamc@186 800 if s = "" then
adamc@186 801 ""
adamc@186 802 else
adamc@186 803 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@186 804
adamc@144 805 fun unurlify (t, loc) =
adamc@144 806 case t of
adamc@186 807 TFfi (m, t) => string ("lw_" ^ m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@144 808
adamc@144 809 | TRecord 0 => string "lw_unit_v"
adamc@144 810 | TRecord i =>
adamc@144 811 let
adamc@144 812 val xts = E.lookupStruct env i
adamc@144 813 in
adamc@144 814 box [string "({",
adamc@144 815 newline,
adamc@144 816 box (map (fn (x, t) =>
adamc@144 817 box [p_typ env t,
adamc@144 818 space,
adamc@144 819 string x,
adamc@144 820 space,
adamc@144 821 string "=",
adamc@144 822 space,
adamc@144 823 unurlify t,
adamc@144 824 string ";",
adamc@144 825 newline]) xts),
adamc@144 826 string "struct",
adamc@144 827 space,
adamc@144 828 string "__lws_",
adamc@144 829 string (Int.toString i),
adamc@144 830 space,
adamc@181 831 string "tmp",
adamc@144 832 space,
adamc@144 833 string "=",
adamc@144 834 space,
adamc@144 835 string "{",
adamc@144 836 space,
adamc@144 837 p_list_sep (box [string ",", space]) (fn (x, _) => string x) xts,
adamc@144 838 space,
adamc@144 839 string "};",
adamc@144 840 newline,
adamc@181 841 string "tmp;",
adamc@144 842 newline,
adamc@144 843 string "})"]
adamc@144 844 end
adamc@144 845
adamc@188 846 | TDatatype (Enum, i, _) =>
adamc@188 847 let
adamc@188 848 val (x, xncs) = E.lookupDatatype env i
adamc@188 849
adamc@188 850 fun doEm xncs =
adamc@188 851 case xncs of
adamc@188 852 [] => string ("(lw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), (enum __lwe_"
adamc@188 853 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@188 854 | (x', n, to) :: rest =>
adamc@188 855 box [string "((!strncmp(request, \"",
adamc@188 856 string x',
adamc@188 857 string "\", ",
adamc@188 858 string (Int.toString (size x')),
adamc@188 859 string ") && (request[",
adamc@188 860 string (Int.toString (size x')),
adamc@188 861 string "] == 0 || request[",
adamc@188 862 string (Int.toString (size x')),
adamc@188 863 string ("] == '/')) ? __lwc_" ^ x' ^ "_" ^ Int.toString n),
adamc@188 864 space,
adamc@188 865 string ":",
adamc@188 866 space,
adamc@188 867 doEm rest,
adamc@188 868 string ")"]
adamc@188 869 in
adamc@188 870 doEm xncs
adamc@188 871 end
adamc@188 872
adamc@198 873 | TDatatype (Option, i, xncs) =>
adamc@198 874 let
adamc@198 875 val (x, _) = E.lookupDatatype env i
adamc@198 876
adamc@198 877 val (no_arg, has_arg, t) =
adamc@198 878 case !xncs of
adamc@198 879 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@198 880 (no_arg, has_arg, t)
adamc@198 881 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@198 882 (no_arg, has_arg, t)
adamc@198 883 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@198 884 in
adamc@198 885 box [string "(request[0] == '/' ? ++request : request,",
adamc@198 886 newline,
adamc@198 887 string "((!strncmp(request, \"",
adamc@198 888 string no_arg,
adamc@198 889 string "\", ",
adamc@198 890 string (Int.toString (size no_arg)),
adamc@198 891 string ") && (request[",
adamc@198 892 string (Int.toString (size no_arg)),
adamc@198 893 string "] == 0 || request[",
adamc@198 894 string (Int.toString (size no_arg)),
adamc@198 895 string "] == '/')) ? (request",
adamc@198 896 space,
adamc@198 897 string "+=",
adamc@198 898 space,
adamc@198 899 string (Int.toString (size no_arg)),
adamc@198 900 string ", NULL) : ((!strncmp(request, \"",
adamc@198 901 string has_arg,
adamc@198 902 string "\", ",
adamc@198 903 string (Int.toString (size has_arg)),
adamc@198 904 string ") && (request[",
adamc@198 905 string (Int.toString (size has_arg)),
adamc@198 906 string "] == 0 || request[",
adamc@198 907 string (Int.toString (size has_arg)),
adamc@198 908 string "] == '/')) ? (request",
adamc@198 909 space,
adamc@198 910 string "+=",
adamc@198 911 space,
adamc@198 912 string (Int.toString (size has_arg)),
adamc@198 913 string ", ",
adamc@198 914
adamc@198 915 case #1 t of
adamc@198 916 TDatatype _ => unurlify t
adamc@198 917 | _ => box [string "({",
adamc@198 918 newline,
adamc@198 919 p_typ env t,
adamc@198 920 space,
adamc@198 921 string "*tmp",
adamc@198 922 space,
adamc@198 923 string "=",
adamc@198 924 space,
adamc@198 925 string "lw_malloc(ctx, sizeof(",
adamc@198 926 p_typ env t,
adamc@198 927 string "));",
adamc@198 928 newline,
adamc@198 929 string "*tmp",
adamc@198 930 space,
adamc@198 931 string "=",
adamc@198 932 space,
adamc@198 933 unurlify t,
adamc@198 934 string ";",
adamc@198 935 newline,
adamc@198 936 string "tmp;",
adamc@198 937 newline,
adamc@198 938 string "})"],
adamc@198 939 string ")",
adamc@198 940 newline,
adamc@198 941 string ":",
adamc@198 942 space,
adamc@198 943 string ("(lw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL))))")]
adamc@198 944 end
adamc@198 945
adamc@188 946 | TDatatype (Default, i, _) =>
adamc@166 947 let
adamc@166 948 val (x, xncs) = E.lookupDatatype env i
adamc@166 949
adamc@166 950 fun doEm xncs =
adamc@166 951 case xncs of
adamc@167 952 [] => string ("(lw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)")
adamc@167 953 | (x', n, to) :: rest =>
adamc@167 954 box [string "((!strncmp(request, \"",
adamc@167 955 string x',
adamc@167 956 string "\", ",
adamc@167 957 string (Int.toString (size x')),
adamc@167 958 string ") && (request[",
adamc@167 959 string (Int.toString (size x')),
adamc@167 960 string "] == 0 || request[",
adamc@167 961 string (Int.toString (size x')),
adamc@167 962 string "] == '/')) ? ({",
adamc@166 963 newline,
adamc@167 964 string "struct",
adamc@167 965 space,
adamc@166 966 string ("__lwd_" ^ x ^ "_" ^ Int.toString i),
adamc@166 967 space,
adamc@181 968 string "*tmp = lw_malloc(ctx, sizeof(struct __lwd_",
adamc@167 969 string x,
adamc@167 970 string "_",
adamc@167 971 string (Int.toString i),
adamc@167 972 string "));",
adamc@166 973 newline,
adamc@181 974 string "tmp->tag",
adamc@166 975 space,
adamc@166 976 string "=",
adamc@166 977 space,
adamc@167 978 string ("__lwc_" ^ x' ^ "_" ^ Int.toString n),
adamc@166 979 string ";",
adamc@166 980 newline,
adamc@166 981 string "request",
adamc@166 982 space,
adamc@166 983 string "+=",
adamc@166 984 space,
adamc@167 985 string (Int.toString (size x')),
adamc@166 986 string ";",
adamc@166 987 newline,
adamc@167 988 string "if (request[0] == '/') ++request;",
adamc@167 989 newline,
adamc@166 990 case to of
adamc@166 991 NONE => box []
adamc@197 992 | SOME t => box [string "tmp->data.lw_",
adamc@167 993 string x',
adamc@166 994 space,
adamc@166 995 string "=",
adamc@166 996 space,
adamc@166 997 unurlify t,
adamc@166 998 string ";",
adamc@166 999 newline],
adamc@181 1000 string "tmp;",
adamc@166 1001 newline,
adamc@166 1002 string "})",
adamc@166 1003 space,
adamc@166 1004 string ":",
adamc@166 1005 space,
adamc@166 1006 doEm rest,
adamc@166 1007 string ")"]
adamc@166 1008 in
adamc@166 1009 doEm xncs
adamc@166 1010 end
adamc@166 1011
adamc@144 1012 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@144 1013 space)
adamc@144 1014
adamc@144 1015
adamc@144 1016 fun p_page (ek, s, n, ts) =
adamc@144 1017 let
adamc@144 1018 val (ts, defInputs, inputsVar) =
adamc@144 1019 case ek of
adamc@144 1020 Core.Link => (ts, string "", string "")
adamc@144 1021 | Core.Action =>
adamc@144 1022 case List.last ts of
adamc@144 1023 (TRecord i, _) =>
adamc@144 1024 let
adamc@144 1025 val xts = E.lookupStruct env i
adamc@144 1026 in
adamc@144 1027 (List.drop (ts, 1),
adamc@144 1028 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1029 space,
adamc@144 1030 string "lw_input_",
adamc@144 1031 string x,
adamc@144 1032 string ";",
adamc@144 1033 newline]) xts),
adamc@144 1034 newline,
adamc@144 1035 box (map (fn (x, t) =>
adamc@144 1036 let
adamc@144 1037 val n = case SM.find (fnums, x) of
adamc@144 1038 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1039 | SOME n => n
adamc@190 1040
adamc@190 1041 val f = case t of
adamc@190 1042 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1043 | _ => ""
adamc@144 1044 in
adamc@190 1045 box [string "request = lw_get_",
adamc@190 1046 string f,
adamc@190 1047 string "input(ctx, ",
adamc@144 1048 string (Int.toString n),
adamc@144 1049 string ");",
adamc@144 1050 newline,
adamc@144 1051 string "if (request == NULL) {",
adamc@144 1052 newline,
adamc@144 1053 box [string "printf(\"Missing input ",
adamc@144 1054 string x,
adamc@144 1055 string "\\n\");",
adamc@144 1056 newline,
adamc@144 1057 string "exit(1);"],
adamc@144 1058 newline,
adamc@144 1059 string "}",
adamc@144 1060 newline,
adamc@144 1061 string "lw_input_",
adamc@144 1062 string x,
adamc@144 1063 space,
adamc@144 1064 string "=",
adamc@144 1065 space,
adamc@144 1066 unurlify t,
adamc@144 1067 string ";",
adamc@144 1068 newline]
adamc@144 1069 end) xts),
adamc@144 1070 string "struct __lws_",
adamc@144 1071 string (Int.toString i),
adamc@144 1072 space,
adamc@144 1073 string "lw_inputs",
adamc@144 1074 space,
adamc@144 1075 string "= {",
adamc@144 1076 newline,
adamc@144 1077 box (map (fn (x, _) => box [string "lw_input_",
adamc@144 1078 string x,
adamc@144 1079 string ",",
adamc@144 1080 newline]) xts),
adamc@144 1081 string "};",
adamc@144 1082 newline],
adamc@144 1083 box [string ",",
adamc@144 1084 space,
adamc@144 1085 string "lw_inputs"])
adamc@144 1086 end
adamc@144 1087
adamc@144 1088 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1089 in
adamc@144 1090 box [string "if (!strncmp(request, \"",
adamc@144 1091 string (String.toString s),
adamc@144 1092 string "\", ",
adamc@144 1093 string (Int.toString (size s)),
adamc@198 1094 string ") && (request[",
adamc@198 1095 string (Int.toString (size s)),
adamc@198 1096 string "] == 0 || request[",
adamc@198 1097 string (Int.toString (size s)),
adamc@198 1098 string "] == '/')) {",
adamc@144 1099 newline,
adamc@144 1100 string "request += ",
adamc@144 1101 string (Int.toString (size s)),
adamc@144 1102 string ";",
adamc@144 1103 newline,
adamc@144 1104 string "if (*request == '/') ++request;",
adamc@144 1105 newline,
adamc@144 1106 box [string "{",
adamc@144 1107 newline,
adamc@144 1108 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 1109 space,
adamc@144 1110 string "arg",
adamc@144 1111 string (Int.toString i),
adamc@144 1112 space,
adamc@144 1113 string "=",
adamc@144 1114 space,
adamc@144 1115 unurlify t,
adamc@144 1116 string ";",
adamc@144 1117 newline]) ts),
adamc@144 1118 defInputs,
adamc@144 1119 p_enamed env n,
adamc@144 1120 string "(",
adamc@144 1121 p_list_sep (box [string ",", space])
adamc@144 1122 (fn x => x)
adamc@144 1123 (string "ctx" :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 1124 inputsVar,
adamc@144 1125 string ");",
adamc@144 1126 newline,
adamc@144 1127 string "return;",
adamc@144 1128 newline,
adamc@144 1129 string "}",
adamc@144 1130 newline,
adamc@144 1131 string "}"]
adamc@144 1132 ]
adamc@144 1133 end
adamc@144 1134
adamc@144 1135 val pds' = map p_page ps
adamc@29 1136 in
adamc@144 1137 box [string "#include <stdio.h>",
adamc@144 1138 newline,
adamc@144 1139 string "#include <stdlib.h>",
adamc@144 1140 newline,
adamc@144 1141 newline,
adamc@144 1142 string "#include \"lacweb.h\"",
adamc@101 1143 newline,
adamc@101 1144 newline,
adamc@101 1145 p_list_sep newline (fn x => x) pds,
adamc@101 1146 newline,
adamc@144 1147 string "int lw_inputs_len = ",
adamc@144 1148 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 1149 string ";",
adamc@144 1150 newline,
adamc@144 1151 newline,
adamc@144 1152 string "int lw_input_num(char *name) {",
adamc@144 1153 newline,
adamc@144 1154 makeSwitch (fnums, 0),
adamc@144 1155 string "}",
adamc@144 1156 newline,
adamc@144 1157 newline,
adamc@117 1158 string "void lw_handle(lw_context ctx, char *request) {",
adamc@101 1159 newline,
adamc@101 1160 p_list_sep newline (fn x => x) pds',
adamc@101 1161 newline,
adamc@101 1162 string "}",
adamc@101 1163 newline]
adamc@29 1164 end
adamc@29 1165
adamc@29 1166 end