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annotate src/cjr_print.sml @ 681:6c9b8875f347

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author Adam Chlipala <adamc@hcoop.net>
date Sat, 28 Mar 2009 11:15:42 -0400
parents 5ff1ff38e2db
children 5bbb542243e8
rev   line source
adamc@643 1 (* Copyright (c) 2008-2009, 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@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@463 65 fun isUnboxable (t : typ) =
adamc@463 66 case #1 t of
adamc@463 67 TDatatype (Default, _, _) => true
adamc@463 68 | TFfi ("Basis", "string") => true
adamc@463 69 | _ => false
adamc@463 70
adamc@29 71 fun p_typ' par env (t, loc) =
adamc@29 72 case t of
adamc@476 73 TFun (t1, t2) => (EM.errorAt loc "Function type remains";
adamc@476 74 string "<FUNCTION>")
adamc@29 75 | TRecord i => box [string "struct",
adamc@29 76 space,
adamc@311 77 string "__uws_",
adamc@29 78 string (Int.toString i)]
adamc@188 79 | TDatatype (Enum, n, _) =>
adamc@188 80 (box [string "enum",
adamc@188 81 space,
adamc@311 82 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 83 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 84 | TDatatype (Option, n, xncs) =>
adamc@198 85 (case ListUtil.search #3 (!xncs) of
adamc@198 86 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 87 | SOME t =>
adamc@198 88 case #1 t of
adamc@198 89 TDatatype _ => p_typ' par env t
adamc@199 90 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 91 | _ => box [p_typ' par env t,
adamc@198 92 string "*"])
adamc@188 93 | TDatatype (Default, n, _) =>
adamc@165 94 (box [string "struct",
adamc@165 95 space,
adamc@311 96 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 97 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 98 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 99 | TOption t =>
adamc@463 100 if isUnboxable t then
adamc@463 101 p_typ' par env t
adamc@463 102 else
adamc@463 103 box [p_typ' par env t,
adamc@463 104 string "*"]
adamc@29 105
adamc@29 106 and p_typ env = p_typ' false env
adamc@29 107
adamc@316 108 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 109 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 110
adamc@109 111 fun p_enamed env n =
adamc@316 112 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 113 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 114
adamc@182 115 fun p_con_named env n =
adamc@316 116 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 117 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 118
adamc@182 119 fun p_pat_preamble env (p, _) =
adamc@182 120 case p of
adamc@182 121 PWild => (box [],
adamc@182 122 env)
adamc@182 123 | PVar (x, t) => (box [p_typ env t,
adamc@182 124 space,
adamc@311 125 string "__uwr_",
adamc@316 126 p_ident x,
adamc@182 127 string "_",
adamc@182 128 string (Int.toString (E.countERels env)),
adamc@182 129 string ";",
adamc@182 130 newline],
adamc@196 131 E.pushERel env x t)
adamc@182 132 | PPrim _ => (box [], env)
adamc@188 133 | PCon (_, _, NONE) => (box [], env)
adamc@188 134 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 135 | PRecord xps =>
adamc@182 136 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 137 let
adamc@182 138 val (pp', env) = p_pat_preamble env p
adamc@182 139 in
adamc@182 140 (box [pp', pp], env)
adamc@182 141 end) (box [], env) xps
adamc@288 142 | PNone _ => (box [], env)
adamc@288 143 | PSome (_, p) => p_pat_preamble env p
adamc@182 144
adamc@182 145 fun p_patCon env pc =
adamc@182 146 case pc of
adamc@182 147 PConVar n => p_con_named env n
adamc@316 148 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 149
adamc@182 150 fun p_pat (env, exit, depth) (p, _) =
adamc@182 151 case p of
adamc@182 152 PWild =>
adamc@182 153 (box [], env)
adamc@182 154 | PVar (x, t) =>
adamc@311 155 (box [string "__uwr_",
adamc@316 156 p_ident x,
adamc@182 157 string "_",
adamc@182 158 string (Int.toString (E.countERels env)),
adamc@182 159 space,
adamc@182 160 string "=",
adamc@182 161 space,
adamc@182 162 string "disc",
adamc@182 163 string (Int.toString depth),
adamc@182 164 string ";"],
adamc@182 165 E.pushERel env x t)
adamc@182 166 | PPrim (Prim.Int n) =>
adamc@182 167 (box [string "if",
adamc@182 168 space,
adamc@182 169 string "(disc",
adamc@182 170 string (Int.toString depth),
adamc@182 171 space,
adamc@182 172 string "!=",
adamc@182 173 space,
adamc@276 174 Prim.p_t_GCC (Prim.Int n),
adamc@182 175 string ")",
adamc@182 176 space,
adamc@182 177 exit],
adamc@182 178 env)
adamc@182 179 | PPrim (Prim.String s) =>
adamc@182 180 (box [string "if",
adamc@182 181 space,
adamc@182 182 string "(strcmp(disc",
adamc@182 183 string (Int.toString depth),
adamc@182 184 string ",",
adamc@182 185 space,
adamc@276 186 Prim.p_t_GCC (Prim.String s),
adamc@182 187 string "))",
adamc@182 188 space,
adamc@182 189 exit],
adamc@182 190 env)
adamc@182 191 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 192
adamc@188 193 | PCon (dk, pc, po) =>
adamc@182 194 let
adamc@182 195 val (p, env) =
adamc@182 196 case po of
adamc@182 197 NONE => (box [], env)
adamc@182 198 | SOME p =>
adamc@182 199 let
adamc@182 200 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 201
adamc@182 202 val (x, to) = case pc of
adamc@182 203 PConVar n =>
adamc@182 204 let
adamc@182 205 val (x, to, _) = E.lookupConstructor env n
adamc@182 206 in
adamc@316 207 ("uw_" ^ ident x, to)
adamc@182 208 end
adamc@188 209 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 210 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 211
adamc@182 212 val t = case to of
adamc@182 213 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 214 | SOME t => t
adamc@182 215 in
adamc@182 216 (box [string "{",
adamc@182 217 newline,
adamc@182 218 p_typ env t,
adamc@182 219 space,
adamc@182 220 string "disc",
adamc@182 221 string (Int.toString (depth + 1)),
adamc@182 222 space,
adamc@182 223 string "=",
adamc@182 224 space,
adamc@198 225 case dk of
adamc@198 226 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 227 | Default => box [string "disc",
adamc@198 228 string (Int.toString depth),
adamc@198 229 string "->data.",
adamc@198 230 string x]
adamc@198 231 | Option =>
adamc@463 232 if isUnboxable t then
adamc@463 233 box [string "disc",
adamc@463 234 string (Int.toString depth)]
adamc@463 235 else
adamc@463 236 box [string "*disc",
adamc@463 237 string (Int.toString depth)],
adamc@182 238 string ";",
adamc@182 239 newline,
adamc@182 240 p,
adamc@182 241 newline,
adamc@182 242 string "}"],
adamc@182 243 env)
adamc@182 244 end
adamc@182 245 in
adamc@182 246 (box [string "if",
adamc@182 247 space,
adamc@182 248 string "(disc",
adamc@182 249 string (Int.toString depth),
adamc@198 250 case (dk, po) of
adamc@198 251 (Enum, _) => box [space,
adamc@198 252 string "!=",
adamc@198 253 space,
adamc@198 254 p_patCon env pc]
adamc@198 255 | (Default, _) => box [string "->tag",
adamc@198 256 space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Option, NONE) => box [space,
adamc@198 261 string "!=",
adamc@198 262 space,
adamc@198 263 string "NULL"]
adamc@198 264 | (Option, SOME _) => box [space,
adamc@198 265 string "==",
adamc@198 266 space,
adamc@198 267 string "NULL"],
adamc@182 268 string ")",
adamc@182 269 space,
adamc@182 270 exit,
adamc@182 271 newline,
adamc@182 272 p],
adamc@182 273 env)
adamc@182 274 end
adamc@182 275
adamc@182 276 | PRecord xps =>
adamc@182 277 let
adamc@182 278 val (xps, env) =
adamc@182 279 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 280 let
adamc@182 281 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 282
adamc@182 283 val p = box [string "{",
adamc@182 284 newline,
adamc@182 285 p_typ env t,
adamc@182 286 space,
adamc@182 287 string "disc",
adamc@182 288 string (Int.toString (depth + 1)),
adamc@182 289 space,
adamc@182 290 string "=",
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString depth),
adamc@311 294 string ".__uwf_",
adamc@316 295 p_ident x,
adamc@182 296 string ";",
adamc@182 297 newline,
adamc@182 298 p,
adamc@182 299 newline,
adamc@182 300 string "}"]
adamc@182 301 in
adamc@182 302 (p, env)
adamc@182 303 end) env xps
adamc@182 304 in
adamc@182 305 (p_list_sep newline (fn x => x) xps,
adamc@182 306 env)
adamc@182 307 end
adamc@182 308
adamc@288 309 | PNone t =>
adamc@288 310 (box [string "if",
adamc@288 311 space,
adamc@288 312 string "(disc",
adamc@288 313 string (Int.toString depth),
adamc@288 314 space,
adamc@288 315 string "!=",
adamc@288 316 space,
adamc@288 317 string "NULL)",
adamc@288 318 space,
adamc@288 319 exit,
adamc@288 320 newline],
adamc@288 321 env)
adamc@288 322
adamc@288 323 | PSome (t, p) =>
adamc@288 324 let
adamc@288 325 val (p, env) =
adamc@288 326 let
adamc@288 327 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 328 in
adamc@288 329 (box [string "{",
adamc@288 330 newline,
adamc@288 331 p_typ env t,
adamc@288 332 space,
adamc@288 333 string "disc",
adamc@288 334 string (Int.toString (depth + 1)),
adamc@288 335 space,
adamc@288 336 string "=",
adamc@288 337 space,
adamc@463 338 if isUnboxable t then
adamc@463 339 box [string "disc",
adamc@463 340 string (Int.toString depth)]
adamc@463 341 else
adamc@463 342 box [string "*disc",
adamc@463 343 string (Int.toString depth)],
adamc@288 344 string ";",
adamc@288 345 newline,
adamc@288 346 p,
adamc@288 347 newline,
adamc@288 348 string "}"],
adamc@288 349 env)
adamc@288 350 end
adamc@288 351 in
adamc@288 352 (box [string "if",
adamc@288 353 space,
adamc@288 354 string "(disc",
adamc@288 355 string (Int.toString depth),
adamc@288 356 space,
adamc@288 357 string "==",
adamc@288 358 space,
adamc@288 359 string "NULL)",
adamc@288 360 space,
adamc@288 361 exit,
adamc@288 362 newline,
adamc@288 363 p],
adamc@288 364 env)
adamc@288 365 end
adamc@288 366
adamc@182 367 local
adamc@182 368 val count = ref 0
adamc@182 369 in
adamc@182 370 fun newGoto () =
adamc@182 371 let
adamc@182 372 val r = !count
adamc@182 373 in
adamc@182 374 count := r + 1;
adamc@182 375 string ("L" ^ Int.toString r)
adamc@182 376 end
adamc@182 377 end
adamc@182 378
adamc@185 379 fun patConInfo env pc =
adamc@185 380 case pc of
adamc@185 381 PConVar n =>
adamc@185 382 let
adamc@185 383 val (x, _, dn) = E.lookupConstructor env n
adamc@185 384 val (dx, _) = E.lookupDatatype env dn
adamc@185 385 in
adamc@316 386 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 387 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 388 "uw_" ^ ident x)
adamc@185 389 end
adamc@186 390 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 391 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 392 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 393 "uw_" ^ ident con)
adamc@185 394
adamc@324 395 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 396 case t of
adamc@311 397 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 398 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 399 | TFfi ("Basis", "string") =>
adamc@324 400 if wontLeakStrings then
adamc@324 401 e
adamc@324 402 else
adamc@324 403 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 404 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 405 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@678 406 | TFfi ("Basis", "channel") => box [string "uw_Basis_stringToChannel_error(ctx, ", e, string ")"]
adamc@467 407
adamc@278 408 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 409 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 410 string "ERROR")
adamc@278 411
adamc@467 412 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 413 case t of
adamc@467 414 TOption t =>
adamc@467 415 box [string "(PQgetisnull (res, i, ",
adamc@467 416 string (Int.toString i),
adamc@467 417 string ") ? NULL : ",
adamc@467 418 case t of
adamc@467 419 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 420 | _ => box [string "({",
adamc@467 421 newline,
adamc@467 422 p_typ env t,
adamc@467 423 space,
adamc@467 424 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 425 p_typ env t,
adamc@467 426 string "));",
adamc@467 427 newline,
adamc@467 428 string "*tmp = ",
adamc@467 429 p_getcol wontLeakStrings env t i,
adamc@467 430 string ";",
adamc@467 431 newline,
adamc@467 432 string "tmp;",
adamc@467 433 newline,
adamc@467 434 string "})"],
adamc@467 435 string ")"]
adamc@467 436
adamc@467 437 | _ =>
adamc@467 438 p_unsql wontLeakStrings env tAll
adamc@467 439 (box [string "PQgetvalue(res, i, ",
adamc@467 440 string (Int.toString i),
adamc@467 441 string ")"])
adamc@467 442
adamc@282 443 datatype sql_type =
adamc@282 444 Int
adamc@282 445 | Float
adamc@282 446 | String
adamc@282 447 | Bool
adamc@439 448 | Time
adamc@678 449 | Channel
adamc@467 450 | Nullable of sql_type
adamc@282 451
adamc@467 452 fun p_sql_type' t =
adamc@467 453 case t of
adamc@467 454 Int => "uw_Basis_int"
adamc@467 455 | Float => "uw_Basis_float"
adamc@467 456 | String => "uw_Basis_string"
adamc@467 457 | Bool => "uw_Basis_bool"
adamc@467 458 | Time => "uw_Basis_time"
adamc@678 459 | Channel => "uw_Basis_channel"
adamc@467 460 | Nullable String => "uw_Basis_string"
adamc@467 461 | Nullable t => p_sql_type' t ^ "*"
adamc@467 462
adamc@467 463 fun p_sql_type t = string (p_sql_type' t)
adamc@282 464
adamc@282 465 fun getPargs (e, _) =
adamc@282 466 case e of
adamc@282 467 EPrim (Prim.String _) => []
adamc@282 468 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 469
adamc@282 470 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 471 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 472 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 473 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 474 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@678 475 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@468 476
adamc@678 477 | ECase (e,
adamc@678 478 [((PNone _, _),
adamc@678 479 (EPrim (Prim.String "NULL"), _)),
adamc@678 480 ((PSome (_, (PVar _, _)), _),
adamc@678 481 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 482 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 483
adamc@491 484 | ECase (e,
adamc@491 485 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 486 (EPrim (Prim.String "TRUE"), _)),
adamc@491 487 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 488 (EPrim (Prim.String "FALSE"), _))],
adamc@491 489 _) => [(e, Bool)]
adamc@282 490
adamc@282 491 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 492
adamc@282 493 fun p_ensql t e =
adamc@282 494 case t of
adamc@311 495 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 496 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 497 | String => e
adamc@295 498 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@439 499 | Time => box [string "uw_Basis_sqlifyTime(ctx, ", e, string ")"]
adamc@678 500 | Channel => box [string "uw_Basis_attrifyChannel(ctx, ", e, string ")"]
adamc@467 501 | Nullable String => e
adamc@467 502 | Nullable t => box [string "(",
adamc@467 503 e,
adamc@467 504 string " == NULL ? NULL : ",
adamc@467 505 p_ensql t (box [string "*", e]),
adamc@467 506 string ")"]
adamc@282 507
adamc@324 508 fun notLeaky env allowHeapAllocated =
adamc@324 509 let
adamc@638 510 fun nl ok (t, _) =
adamc@324 511 case t of
adamc@324 512 TFun _ => false
adamc@324 513 | TRecord n =>
adamc@324 514 let
adamc@324 515 val xts = E.lookupStruct env n
adamc@324 516 in
adamc@638 517 List.all (fn (_, t) => nl ok t) xts
adamc@324 518 end
adamc@638 519 | TDatatype (dk, n, ref cons) =>
adamc@638 520 IS.member (ok, n)
adamc@638 521 orelse
adamc@638 522 ((allowHeapAllocated orelse dk = Enum)
adamc@638 523 andalso
adamc@638 524 let
adamc@638 525 val ok' = IS.add (ok, n)
adamc@638 526 in
adamc@638 527 List.all (fn (_, _, to) => case to of
adamc@638 528 NONE => true
adamc@638 529 | SOME t => nl ok' t) cons
adamc@638 530 end)
adamc@324 531 | TFfi ("Basis", "string") => false
adamc@324 532 | TFfi _ => true
adamc@638 533 | TOption t => allowHeapAllocated andalso nl ok t
adamc@324 534 in
adamc@638 535 nl IS.empty
adamc@324 536 end
adamc@324 537
adamc@463 538 fun capitalize s =
adamc@463 539 if s = "" then
adamc@463 540 ""
adamc@463 541 else
adamc@463 542 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 543
adamc@463 544 fun unurlify env (t, loc) =
adamc@463 545 let
adamc@463 546 fun unurlify' rf t =
adamc@463 547 case t of
adamc@463 548 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 549 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 550
adamc@463 551 | TRecord 0 => string "uw_unit_v"
adamc@463 552 | TRecord i =>
adamc@463 553 let
adamc@463 554 val xts = E.lookupStruct env i
adamc@463 555 in
adamc@463 556 box [string "({",
adamc@463 557 newline,
adamc@463 558 box (map (fn (x, t) =>
adamc@463 559 box [p_typ env t,
adamc@463 560 space,
adamc@463 561 string "uwr_",
adamc@463 562 string x,
adamc@463 563 space,
adamc@463 564 string "=",
adamc@463 565 space,
adamc@463 566 unurlify' rf (#1 t),
adamc@463 567 string ";",
adamc@463 568 newline]) xts),
adamc@463 569 string "struct",
adamc@463 570 space,
adamc@463 571 string "__uws_",
adamc@463 572 string (Int.toString i),
adamc@463 573 space,
adamc@463 574 string "tmp",
adamc@463 575 space,
adamc@463 576 string "=",
adamc@463 577 space,
adamc@463 578 string "{",
adamc@463 579 space,
adamc@463 580 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 581 string x]) xts,
adamc@463 582 space,
adamc@463 583 string "};",
adamc@463 584 newline,
adamc@463 585 string "tmp;",
adamc@463 586 newline,
adamc@463 587 string "})"]
adamc@463 588 end
adamc@463 589
adamc@463 590 | TDatatype (Enum, i, _) =>
adamc@463 591 let
adamc@463 592 val (x, xncs) = E.lookupDatatype env i
adamc@463 593
adamc@463 594 fun doEm xncs =
adamc@463 595 case xncs of
adamc@463 596 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 597 ^ x ^ "\"), (enum __uwe_"
adamc@463 598 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 599 | (x', n, to) :: rest =>
adamc@463 600 box [string "((!strncmp(request, \"",
adamc@463 601 string x',
adamc@463 602 string "\", ",
adamc@463 603 string (Int.toString (size x')),
adamc@463 604 string ") && (request[",
adamc@463 605 string (Int.toString (size x')),
adamc@463 606 string "] == 0 || request[",
adamc@463 607 string (Int.toString (size x')),
adamc@463 608 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 609 space,
adamc@463 610 string ":",
adamc@463 611 space,
adamc@463 612 doEm rest,
adamc@463 613 string ")"]
adamc@463 614 in
adamc@463 615 doEm xncs
adamc@463 616 end
adamc@463 617
adamc@463 618 | TDatatype (Option, i, xncs) =>
adamc@463 619 if IS.member (rf, i) then
adamc@463 620 box [string "unurlify_",
adamc@463 621 string (Int.toString i),
adamc@463 622 string "()"]
adamc@463 623 else
adamc@463 624 let
adamc@463 625 val (x, _) = E.lookupDatatype env i
adamc@463 626
adamc@463 627 val (no_arg, has_arg, t) =
adamc@463 628 case !xncs of
adamc@463 629 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 630 (no_arg, has_arg, t)
adamc@463 631 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 632 (no_arg, has_arg, t)
adamc@463 633 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 634
adamc@463 635 val rf = IS.add (rf, i)
adamc@463 636 in
adamc@463 637 box [string "({",
adamc@463 638 space,
adamc@463 639 p_typ env t,
adamc@463 640 space,
adamc@463 641 string "*unurlify_",
adamc@463 642 string (Int.toString i),
adamc@463 643 string "(void) {",
adamc@463 644 newline,
adamc@463 645 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 646 newline,
adamc@463 647 string "((!strncmp(request, \"",
adamc@463 648 string no_arg,
adamc@463 649 string "\", ",
adamc@463 650 string (Int.toString (size no_arg)),
adamc@463 651 string ") && (request[",
adamc@463 652 string (Int.toString (size no_arg)),
adamc@463 653 string "] == 0 || request[",
adamc@463 654 string (Int.toString (size no_arg)),
adamc@463 655 string "] == '/')) ? (request",
adamc@463 656 space,
adamc@463 657 string "+=",
adamc@463 658 space,
adamc@463 659 string (Int.toString (size no_arg)),
adamc@463 660 string ", NULL) : ((!strncmp(request, \"",
adamc@463 661 string has_arg,
adamc@463 662 string "\", ",
adamc@463 663 string (Int.toString (size has_arg)),
adamc@463 664 string ") && (request[",
adamc@463 665 string (Int.toString (size has_arg)),
adamc@463 666 string "] == 0 || request[",
adamc@463 667 string (Int.toString (size has_arg)),
adamc@463 668 string "] == '/')) ? (request",
adamc@463 669 space,
adamc@463 670 string "+=",
adamc@463 671 space,
adamc@463 672 string (Int.toString (size has_arg)),
adamc@463 673 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 674 newline,
adamc@463 675
adamc@463 676 if isUnboxable t then
adamc@463 677 unurlify' rf (#1 t)
adamc@463 678 else
adamc@463 679 box [string "({",
adamc@463 680 newline,
adamc@463 681 p_typ env t,
adamc@463 682 space,
adamc@463 683 string "*tmp",
adamc@463 684 space,
adamc@463 685 string "=",
adamc@463 686 space,
adamc@463 687 string "uw_malloc(ctx, sizeof(",
adamc@463 688 p_typ env t,
adamc@463 689 string "));",
adamc@463 690 newline,
adamc@463 691 string "*tmp",
adamc@463 692 space,
adamc@463 693 string "=",
adamc@463 694 space,
adamc@463 695 unurlify' rf (#1 t),
adamc@463 696 string ";",
adamc@463 697 newline,
adamc@463 698 string "tmp;",
adamc@463 699 newline,
adamc@463 700 string "})"],
adamc@463 701 string ")",
adamc@463 702 newline,
adamc@463 703 string ":",
adamc@463 704 space,
adamc@463 705 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 706 ^ "\"), NULL))));"),
adamc@463 707 newline],
adamc@463 708 string "}",
adamc@463 709 newline,
adamc@463 710 newline,
adamc@463 711
adamc@463 712 string "unurlify_",
adamc@463 713 string (Int.toString i),
adamc@463 714 string "();",
adamc@463 715 newline,
adamc@463 716 string "})"]
adamc@463 717 end
adamc@463 718
adamc@463 719 | TDatatype (Default, i, _) =>
adamc@463 720 if IS.member (rf, i) then
adamc@463 721 box [string "unurlify_",
adamc@463 722 string (Int.toString i),
adamc@463 723 string "()"]
adamc@463 724 else
adamc@463 725 let
adamc@463 726 val (x, xncs) = E.lookupDatatype env i
adamc@463 727
adamc@463 728 val rf = IS.add (rf, i)
adamc@463 729
adamc@463 730 fun doEm xncs =
adamc@463 731 case xncs of
adamc@463 732 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 733 ^ x ^ "\"), NULL)")
adamc@463 734 | (x', n, to) :: rest =>
adamc@463 735 box [string "((!strncmp(request, \"",
adamc@463 736 string x',
adamc@463 737 string "\", ",
adamc@463 738 string (Int.toString (size x')),
adamc@463 739 string ") && (request[",
adamc@463 740 string (Int.toString (size x')),
adamc@463 741 string "] == 0 || request[",
adamc@463 742 string (Int.toString (size x')),
adamc@463 743 string "] == '/')) ? ({",
adamc@463 744 newline,
adamc@463 745 string "struct",
adamc@463 746 space,
adamc@463 747 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 748 space,
adamc@463 749 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 750 string x,
adamc@463 751 string "_",
adamc@463 752 string (Int.toString i),
adamc@463 753 string "));",
adamc@463 754 newline,
adamc@463 755 string "tmp->tag",
adamc@463 756 space,
adamc@463 757 string "=",
adamc@463 758 space,
adamc@463 759 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 760 string ";",
adamc@463 761 newline,
adamc@463 762 string "request",
adamc@463 763 space,
adamc@463 764 string "+=",
adamc@463 765 space,
adamc@463 766 string (Int.toString (size x')),
adamc@463 767 string ";",
adamc@463 768 newline,
adamc@463 769 string "if (request[0] == '/') ++request;",
adamc@463 770 newline,
adamc@463 771 case to of
adamc@463 772 NONE => box []
adamc@463 773 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 774 p_ident x',
adamc@463 775 space,
adamc@463 776 string "=",
adamc@463 777 space,
adamc@463 778 unurlify' rf t,
adamc@463 779 string ";",
adamc@463 780 newline],
adamc@463 781 string "tmp;",
adamc@463 782 newline,
adamc@463 783 string "})",
adamc@463 784 space,
adamc@463 785 string ":",
adamc@463 786 space,
adamc@463 787 doEm rest,
adamc@463 788 string ")"]
adamc@463 789 in
adamc@463 790 box [string "({",
adamc@463 791 space,
adamc@463 792 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 793 space,
adamc@463 794 string "unurlify_",
adamc@463 795 string (Int.toString i),
adamc@463 796 string "(void) {",
adamc@463 797 newline,
adamc@463 798 box [string "return",
adamc@463 799 space,
adamc@463 800 doEm xncs,
adamc@463 801 string ";",
adamc@463 802 newline],
adamc@463 803 string "}",
adamc@463 804 newline,
adamc@463 805 newline,
adamc@463 806
adamc@463 807 string "unurlify_",
adamc@463 808 string (Int.toString i),
adamc@463 809 string "();",
adamc@463 810 newline,
adamc@463 811 string "})"]
adamc@463 812 end
adamc@463 813
adamc@471 814 | TOption t =>
adamc@471 815 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 816 string "((!strncmp(request, \"None\", 4) ",
adamc@471 817 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 818 string "? (request += 4, NULL) ",
adamc@471 819 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 820 string "&& request[4] == '/') ",
adamc@471 821 string "? (request += 5, ",
adamc@471 822 if isUnboxable t then
adamc@471 823 unurlify' rf (#1 t)
adamc@471 824 else
adamc@471 825 box [string "({",
adamc@471 826 newline,
adamc@471 827 p_typ env t,
adamc@471 828 space,
adamc@471 829 string "*tmp",
adamc@471 830 space,
adamc@471 831 string "=",
adamc@471 832 space,
adamc@471 833 string "uw_malloc(ctx, sizeof(",
adamc@471 834 p_typ env t,
adamc@471 835 string "));",
adamc@471 836 newline,
adamc@471 837 string "*tmp",
adamc@471 838 space,
adamc@471 839 string "=",
adamc@471 840 space,
adamc@471 841 unurlify' rf (#1 t),
adamc@471 842 string ";",
adamc@471 843 newline,
adamc@471 844 string "tmp;",
adamc@471 845 newline,
adamc@471 846 string "})"],
adamc@471 847 string ") :",
adamc@471 848 space,
adamc@471 849 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 850
adamc@463 851 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 852 space)
adamc@463 853 in
adamc@463 854 unurlify' IS.empty t
adamc@463 855 end
adamc@463 856
adamc@610 857 fun urlify env t =
adamc@610 858 let
adamc@610 859 fun urlify' rf level (t as (_, loc)) =
adamc@610 860 case #1 t of
adamc@610 861 TFfi ("Basis", "unit") => box []
adamc@610 862 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 863 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 864 newline]
adamc@610 865
adamc@610 866 | TRecord 0 => box []
adamc@610 867 | TRecord i =>
adamc@610 868 let
adamc@611 869 fun empty (t, _) =
adamc@611 870 case t of
adamc@611 871 TFfi ("Basis", "unit") => true
adamc@611 872 | TRecord 0 => true
adamc@611 873 | TRecord j =>
adamc@611 874 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 875 | _ => false
adamc@611 876
adamc@610 877 val xts = E.lookupStruct env i
adamc@611 878
adamc@613 879 val (blocks, _) = foldl
adamc@613 880 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 881 let
adamc@613 882 val thisEmpty = empty t
adamc@613 883 in
adamc@613 884 if thisEmpty then
adamc@613 885 (blocks, printingSinceLastSlash)
adamc@613 886 else
adamc@613 887 (box [string "{",
adamc@613 888 newline,
adamc@613 889 p_typ env t,
adamc@613 890 space,
adamc@613 891 string ("it" ^ Int.toString (level + 1)),
adamc@613 892 space,
adamc@613 893 string "=",
adamc@613 894 space,
adamc@613 895 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 896 newline,
adamc@613 897 box (if printingSinceLastSlash then
adamc@613 898 [string "uw_write(ctx, \"/\");",
adamc@613 899 newline]
adamc@613 900 else
adamc@613 901 []),
adamc@613 902 urlify' rf (level + 1) t,
adamc@613 903 string "}",
adamc@613 904 newline] :: blocks,
adamc@613 905 true)
adamc@613 906 end)
adamc@613 907 ([], false) xts
adamc@610 908 in
adamc@613 909 box (rev blocks)
adamc@610 910 end
adamc@610 911
adamc@638 912 | TDatatype (Enum, i, _) =>
adamc@638 913 let
adamc@610 914 val (x, xncs) = E.lookupDatatype env i
adamc@610 915
adamc@610 916 fun doEm xncs =
adamc@610 917 case xncs of
adamc@638 918 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 919 ^ x ^ "\");"),
adamc@638 920 newline]
adamc@610 921 | (x', n, to) :: rest =>
adamc@638 922 box [string ("if (it" ^ Int.toString level
adamc@638 923 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 924 newline,
adamc@638 925 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 926 newline],
adamc@638 927 string "} else {",
adamc@638 928 newline,
adamc@638 929 box [doEm rest,
adamc@638 930 newline],
adamc@638 931 string "}"]
adamc@610 932 in
adamc@610 933 doEm xncs
adamc@638 934 end
adamc@610 935
adamc@639 936 | TDatatype (Option, i, xncs) =>
adamc@639 937 if IS.member (rf, i) then
adamc@639 938 box [string "urlify_",
adamc@610 939 string (Int.toString i),
adamc@639 940 string "(it",
adamc@639 941 string (Int.toString level),
adamc@639 942 string ");",
adamc@639 943 newline]
adamc@610 944 else
adamc@610 945 let
adamc@610 946 val (x, _) = E.lookupDatatype env i
adamc@610 947
adamc@610 948 val (no_arg, has_arg, t) =
adamc@610 949 case !xncs of
adamc@610 950 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 951 (no_arg, has_arg, t)
adamc@610 952 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 953 (no_arg, has_arg, t)
adamc@639 954 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 955
adamc@610 956 val rf = IS.add (rf, i)
adamc@610 957 in
adamc@610 958 box [string "({",
adamc@610 959 space,
adamc@639 960 string "void",
adamc@639 961 space,
adamc@639 962 string "urlify_",
adamc@639 963 string (Int.toString i),
adamc@639 964 string "(",
adamc@610 965 p_typ env t,
adamc@610 966 space,
adamc@639 967 if isUnboxable t then
adamc@639 968 box []
adamc@639 969 else
adamc@639 970 string "*",
adamc@639 971 string "it0) {",
adamc@610 972 newline,
adamc@639 973 box [string "if (it0) {",
adamc@639 974 if isUnboxable t then
adamc@639 975 urlify' rf 0 t
adamc@610 976 else
adamc@639 977 box [p_typ env t,
adamc@610 978 space,
adamc@639 979 string "it1",
adamc@610 980 space,
adamc@610 981 string "=",
adamc@610 982 space,
adamc@639 983 string "*it0;",
adamc@610 984 newline,
adamc@639 985 string "uw_write(ctx, \"",
adamc@639 986 string has_arg,
adamc@639 987 string "/\");",
adamc@639 988 newline,
adamc@639 989 urlify' rf 1 t,
adamc@610 990 string ";",
adamc@639 991 newline],
adamc@639 992 string "} else {",
adamc@639 993 box [string "uw_write(ctx, \"",
adamc@639 994 string no_arg,
adamc@639 995 string "\");",
adamc@639 996 newline],
adamc@639 997 string "}",
adamc@610 998 newline],
adamc@610 999 string "}",
adamc@610 1000 newline,
adamc@610 1001 newline,
adamc@610 1002
adamc@639 1003 string "urlify_",
adamc@610 1004 string (Int.toString i),
adamc@639 1005 string "(it",
adamc@639 1006 string (Int.toString level),
adamc@639 1007 string ");",
adamc@610 1008 newline,
adamc@639 1009 string "});",
adamc@639 1010 newline]
adamc@639 1011 end
adamc@610 1012
adamc@640 1013 | TDatatype (Default, i, _) =>
adamc@640 1014 if IS.member (rf, i) then
adamc@640 1015 box [string "urlify_",
adamc@610 1016 string (Int.toString i),
adamc@640 1017 string "(it",
adamc@640 1018 string (Int.toString level),
adamc@640 1019 string ");",
adamc@640 1020 newline]
adamc@610 1021 else
adamc@610 1022 let
adamc@610 1023 val (x, xncs) = E.lookupDatatype env i
adamc@610 1024
adamc@610 1025 val rf = IS.add (rf, i)
adamc@610 1026
adamc@610 1027 fun doEm xncs =
adamc@610 1028 case xncs of
adamc@640 1029 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1030 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1031 newline]
adamc@610 1032 | (x', n, to) :: rest =>
adamc@640 1033 box [string "if",
adamc@610 1034 space,
adamc@640 1035 string "(it0->tag==__uwc_",
adamc@640 1036 string (ident x'),
adamc@610 1037 string "_",
adamc@640 1038 string (Int.toString n),
adamc@640 1039 string ") {",
adamc@610 1040 newline,
adamc@610 1041 case to of
adamc@640 1042 NONE => box [string "uw_write(ctx, \"",
adamc@640 1043 string x',
adamc@640 1044 string "\");",
adamc@640 1045 newline]
adamc@640 1046 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1047 string x',
adamc@640 1048 string "/\");",
adamc@640 1049 newline,
adamc@640 1050 p_typ env t,
adamc@640 1051 space,
adamc@640 1052 string "it1",
adamc@640 1053 space,
adamc@640 1054 string "=",
adamc@640 1055 space,
adamc@640 1056 string "it0->data.uw_",
adamc@640 1057 string x',
adamc@640 1058 string ";",
adamc@640 1059 newline,
adamc@640 1060 urlify' rf 1 t,
adamc@640 1061 newline],
adamc@640 1062 string "} else {",
adamc@610 1063 newline,
adamc@640 1064 box [doEm rest,
adamc@640 1065 newline],
adamc@640 1066 string "}",
adamc@640 1067 newline]
adamc@610 1068 in
adamc@610 1069 box [string "({",
adamc@610 1070 space,
adamc@640 1071 string "void",
adamc@610 1072 space,
adamc@640 1073 string "urlify_",
adamc@610 1074 string (Int.toString i),
adamc@640 1075 string "(",
adamc@640 1076 p_typ env t,
adamc@640 1077 space,
adamc@640 1078 string "it0) {",
adamc@610 1079 newline,
adamc@640 1080 box [doEm xncs,
adamc@610 1081 newline],
adamc@640 1082 newline,
adamc@610 1083 string "}",
adamc@610 1084 newline,
adamc@640 1085
adamc@640 1086 string "urlify_",
adamc@640 1087 string (Int.toString i),
adamc@640 1088 string "(it",
adamc@640 1089 string (Int.toString level),
adamc@640 1090 string ");",
adamc@610 1091 newline,
adamc@640 1092 string "});",
adamc@640 1093 newline]
adamc@640 1094 end
adamc@610 1095
adamc@641 1096 | TOption t =>
adamc@641 1097 box [string "if (it",
adamc@641 1098 string (Int.toString level),
adamc@641 1099 string ") {",
adamc@641 1100 if isUnboxable t then
adamc@641 1101 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1102 newline,
adamc@641 1103 urlify' rf level t]
adamc@610 1104 else
adamc@641 1105 box [p_typ env t,
adamc@610 1106 space,
adamc@641 1107 string "it",
adamc@641 1108 string (Int.toString (level + 1)),
adamc@610 1109 space,
adamc@610 1110 string "=",
adamc@610 1111 space,
adamc@641 1112 string "*it",
adamc@641 1113 string (Int.toString level),
adamc@610 1114 string ";",
adamc@610 1115 newline,
adamc@641 1116 string "uw_write(ctx, \"Some/\");",
adamc@610 1117 newline,
adamc@641 1118 urlify' rf (level + 1) t,
adamc@641 1119 string ";",
adamc@641 1120 newline],
adamc@641 1121 string "} else {",
adamc@641 1122 box [string "uw_write(ctx, \"None\");",
adamc@641 1123 newline],
adamc@641 1124 string "}",
adamc@641 1125 newline]
adamc@610 1126
adamc@610 1127 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1128 space)
adamc@610 1129 in
adamc@610 1130 urlify' IS.empty 0 t
adamc@610 1131 end
adamc@610 1132
adamc@673 1133 val timeout = ref 0
adamc@673 1134
adamc@182 1135 fun p_exp' par env (e, loc) =
adamc@29 1136 case e of
adamc@276 1137 EPrim p => Prim.p_t_GCC p
adamc@29 1138 | ERel n => p_rel env n
adamc@109 1139 | ENamed n => p_enamed env n
adamc@188 1140 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1141 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1142 | ECon (Option, pc, SOME e) =>
adamc@198 1143 let
adamc@198 1144 val to = case pc of
adamc@198 1145 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1146 | PConFfi {arg, ...} => arg
adamc@198 1147
adamc@198 1148 val t = case to of
adamc@198 1149 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1150 | SOME t => t
adamc@198 1151 in
adamc@463 1152 if isUnboxable t then
adamc@463 1153 p_exp' par env e
adamc@463 1154 else
adamc@463 1155 box [string "({",
adamc@463 1156 newline,
adamc@463 1157 p_typ env t,
adamc@463 1158 space,
adamc@463 1159 string "*tmp",
adamc@463 1160 space,
adamc@463 1161 string "=",
adamc@463 1162 space,
adamc@463 1163 string "uw_malloc(ctx, sizeof(",
adamc@463 1164 p_typ env t,
adamc@463 1165 string "));",
adamc@463 1166 newline,
adamc@463 1167 string "*tmp",
adamc@463 1168 space,
adamc@463 1169 string "=",
adamc@463 1170 p_exp' par env e,
adamc@463 1171 string ";",
adamc@463 1172 newline,
adamc@463 1173 string "tmp;",
adamc@463 1174 newline,
adamc@463 1175 string "})"]
adamc@198 1176 end
adamc@188 1177 | ECon (Default, pc, eo) =>
adamc@181 1178 let
adamc@196 1179 val (xd, xc, xn) = patConInfo env pc
adamc@181 1180 in
adamc@182 1181 box [string "({",
adamc@181 1182 newline,
adamc@181 1183 string "struct",
adamc@181 1184 space,
adamc@185 1185 string xd,
adamc@181 1186 space,
adamc@181 1187 string "*tmp",
adamc@181 1188 space,
adamc@181 1189 string "=",
adamc@181 1190 space,
adamc@311 1191 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1192 string xd,
adamc@181 1193 string "));",
adamc@181 1194 newline,
adamc@181 1195 string "tmp->tag",
adamc@181 1196 space,
adamc@181 1197 string "=",
adamc@181 1198 space,
adamc@185 1199 string xc,
adamc@181 1200 string ";",
adamc@181 1201 newline,
adamc@181 1202 case eo of
adamc@181 1203 NONE => box []
adamc@185 1204 | SOME e => box [string "tmp->data.",
adamc@196 1205 string xn,
adamc@181 1206 space,
adamc@181 1207 string "=",
adamc@181 1208 space,
adamc@181 1209 p_exp env e,
adamc@181 1210 string ";",
adamc@181 1211 newline],
adamc@181 1212 string "tmp;",
adamc@181 1213 newline,
adamc@181 1214 string "})"]
adamc@181 1215 end
adamc@297 1216 | ENone _ => string "NULL"
adamc@290 1217 | ESome (t, e) =>
adamc@463 1218 if isUnboxable t then
adamc@463 1219 p_exp' par env e
adamc@463 1220 else
adamc@463 1221 box [string "({",
adamc@463 1222 newline,
adamc@463 1223 p_typ env t,
adamc@463 1224 space,
adamc@463 1225 string "*tmp",
adamc@463 1226 space,
adamc@463 1227 string "=",
adamc@463 1228 space,
adamc@463 1229 string "uw_malloc(ctx, sizeof(",
adamc@463 1230 p_typ env t,
adamc@463 1231 string "));",
adamc@463 1232 newline,
adamc@463 1233 string "*tmp",
adamc@463 1234 space,
adamc@463 1235 string "=",
adamc@463 1236 p_exp' par env e,
adamc@463 1237 string ";",
adamc@463 1238 newline,
adamc@463 1239 string "tmp;",
adamc@463 1240 newline,
adamc@463 1241 string "})"]
adamc@109 1242
adamc@316 1243 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1244 | EError (e, t) =>
adamc@283 1245 box [string "({",
adamc@283 1246 newline,
adamc@283 1247 p_typ env t,
adamc@283 1248 space,
adamc@283 1249 string "tmp;",
adamc@283 1250 newline,
adamc@311 1251 string "uw_error(ctx, FATAL, \"",
adamc@292 1252 string (ErrorMsg.spanToString loc),
adamc@292 1253 string ": %s\", ",
adamc@283 1254 p_exp env e,
adamc@283 1255 string ");",
adamc@283 1256 newline,
adamc@283 1257 string "tmp;",
adamc@283 1258 newline,
adamc@283 1259 string "})"]
adamc@476 1260 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1261 p_exp env (EError (e, ran), loc)
adamc@476 1262
adamc@311 1263 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1264 p_ident m,
adamc@53 1265 string "_",
adamc@316 1266 p_ident x,
adamc@117 1267 string "(ctx, ",
adamc@53 1268 p_list (p_exp env) es,
adamc@53 1269 string ")"]
adamc@316 1270 | EApp (f, args) =>
adamc@316 1271 parenIf par (box [p_exp' true env f,
adamc@316 1272 string "(ctx,",
adamc@316 1273 space,
adamc@316 1274 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1275 string ")"])
adamc@29 1276
adamc@387 1277 | EUnop (s, e1) =>
adamc@387 1278 parenIf par (box [string s,
adamc@387 1279 space,
adamc@387 1280 p_exp' true env e1])
adamc@387 1281
adamc@387 1282 | EBinop (s, e1, e2) =>
adamc@389 1283 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1284 box [string s,
adamc@390 1285 string "(",
adamc@389 1286 p_exp env e1,
adamc@389 1287 string ",",
adamc@389 1288 space,
adamc@389 1289 p_exp env e2,
adamc@389 1290 string ")"]
adamc@389 1291 else
adamc@389 1292 parenIf par (box [p_exp' true env e1,
adamc@389 1293 space,
adamc@389 1294 string s,
adamc@389 1295 space,
adamc@389 1296 p_exp' true env e2])
adamc@387 1297
adamc@29 1298 | ERecord (i, xes) => box [string "({",
adamc@29 1299 space,
adamc@29 1300 string "struct",
adamc@29 1301 space,
adamc@311 1302 string ("__uws_" ^ Int.toString i),
adamc@29 1303 space,
adamc@181 1304 string "tmp",
adamc@29 1305 space,
adamc@29 1306 string "=",
adamc@29 1307 space,
adamc@29 1308 string "{",
adamc@29 1309 p_list (fn (_, e) =>
adamc@29 1310 p_exp env e) xes,
adamc@29 1311 string "};",
adamc@29 1312 space,
adamc@181 1313 string "tmp;",
adamc@29 1314 space,
adamc@29 1315 string "})" ]
adamc@29 1316 | EField (e, x) =>
adamc@29 1317 box [p_exp' true env e,
adamc@311 1318 string ".__uwf_",
adamc@316 1319 p_ident x]
adamc@29 1320
adamc@182 1321 | ECase (e, pes, {disc, result}) =>
adamc@182 1322 let
adamc@182 1323 val final = newGoto ()
adamc@182 1324
adamc@182 1325 val body = foldl (fn ((p, e), body) =>
adamc@182 1326 let
adamc@182 1327 val exit = newGoto ()
adamc@182 1328 val (pr, _) = p_pat_preamble env p
adamc@182 1329 val (p, env) = p_pat (env,
adamc@182 1330 box [string "goto",
adamc@182 1331 space,
adamc@182 1332 exit,
adamc@182 1333 string ";"],
adamc@182 1334 0) p
adamc@182 1335 in
adamc@182 1336 box [body,
adamc@182 1337 box [string "{",
adamc@182 1338 newline,
adamc@182 1339 pr,
adamc@182 1340 newline,
adamc@182 1341 p,
adamc@182 1342 newline,
adamc@182 1343 string "result",
adamc@182 1344 space,
adamc@182 1345 string "=",
adamc@182 1346 space,
adamc@182 1347 p_exp env e,
adamc@182 1348 string ";",
adamc@182 1349 newline,
adamc@182 1350 string "goto",
adamc@182 1351 space,
adamc@182 1352 final,
adamc@182 1353 string ";",
adamc@182 1354 newline,
adamc@182 1355 string "}"],
adamc@182 1356 newline,
adamc@182 1357 exit,
adamc@182 1358 string ":",
adamc@182 1359 newline]
adamc@182 1360 end) (box []) pes
adamc@182 1361 in
adamc@182 1362 box [string "({",
adamc@182 1363 newline,
adamc@182 1364 p_typ env disc,
adamc@182 1365 space,
adamc@182 1366 string "disc0",
adamc@182 1367 space,
adamc@182 1368 string "=",
adamc@182 1369 space,
adamc@182 1370 p_exp env e,
adamc@182 1371 string ";",
adamc@182 1372 newline,
adamc@182 1373 p_typ env result,
adamc@182 1374 space,
adamc@182 1375 string "result;",
adamc@182 1376 newline,
adamc@182 1377 body,
adamc@311 1378 string "uw_error(ctx, FATAL, \"",
adamc@182 1379 string (ErrorMsg.spanToString loc),
adamc@182 1380 string ": pattern match failure\");",
adamc@182 1381 newline,
adamc@182 1382 final,
adamc@182 1383 string ":",
adamc@182 1384 space,
adamc@182 1385 string "result;",
adamc@182 1386 newline,
adamc@182 1387 string "})"]
adamc@182 1388 end
adamc@181 1389
adamc@311 1390 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1391 p_exp env e,
adamc@311 1392 string "), uw_unit_v)"]
adamc@102 1393
adamc@106 1394 | ESeq (e1, e2) => box [string "(",
adamc@106 1395 p_exp env e1,
adamc@106 1396 string ",",
adamc@106 1397 space,
adamc@106 1398 p_exp env e2,
adamc@106 1399 string ")"]
adamc@269 1400 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1401 newline,
adamc@269 1402 p_typ env t,
adamc@269 1403 space,
adamc@311 1404 string "__uwr_",
adamc@316 1405 p_ident x,
adamc@272 1406 string "_",
adamc@272 1407 string (Int.toString (E.countERels env)),
adamc@269 1408 space,
adamc@269 1409 string "=",
adamc@269 1410 space,
adamc@269 1411 p_exp env e1,
adamc@269 1412 string ";",
adamc@269 1413 newline,
adamc@269 1414 p_exp (E.pushERel env x t) e2,
adamc@269 1415 string ";",
adamc@269 1416 newline,
adamc@269 1417 string "})"]
adamc@269 1418
adamc@282 1419 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1420 let
adamc@316 1421 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1422 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1423 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1424 tables
adamc@638 1425
adamc@278 1426 val outputs = exps @ tables
adamc@325 1427 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1428
adamc@324 1429 val wontLeakStrings = notLeaky env true state
adamc@324 1430 val wontLeakAnything = notLeaky env false state
adamc@278 1431 in
adamc@640 1432 box [if wontLeakAnything then
adamc@331 1433 string "uw_begin_region(ctx), "
adamc@324 1434 else
adamc@324 1435 box [],
adamc@324 1436 string "({",
adamc@278 1437 newline,
adamc@311 1438 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1439 newline,
adamc@640 1440 p_typ env state,
adamc@640 1441 space,
adamc@640 1442 string "acc",
adamc@640 1443 space,
adamc@640 1444 string "=",
adamc@640 1445 space,
adamc@640 1446 p_exp env initial,
adamc@640 1447 string ";",
adamc@640 1448 newline,
adamc@640 1449 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1450 newline,
adamc@640 1451
adamc@282 1452 case prepared of
adamc@282 1453 NONE => box [string "char *query = ",
adamc@282 1454 p_exp env query,
adamc@282 1455 string ";",
adamc@282 1456 newline]
adamc@282 1457 | SOME _ =>
adamc@282 1458 let
adamc@282 1459 val ets = getPargs query
adamc@282 1460 in
adamc@282 1461 box [p_list_sepi newline
adamc@282 1462 (fn i => fn (e, t) =>
adamc@282 1463 box [p_sql_type t,
adamc@282 1464 space,
adamc@282 1465 string "arg",
adamc@282 1466 string (Int.toString (i + 1)),
adamc@282 1467 space,
adamc@282 1468 string "=",
adamc@282 1469 space,
adamc@282 1470 p_exp env e,
adamc@282 1471 string ";"])
adamc@282 1472 ets,
adamc@282 1473 newline,
adamc@282 1474 newline,
adamc@282 1475
adamc@282 1476 string "const char *paramValues[] = { ",
adamc@282 1477 p_list_sepi (box [string ",", space])
adamc@282 1478 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1479 string (Int.toString (i + 1))]))
adamc@282 1480 ets,
adamc@282 1481 string " };",
adamc@282 1482 newline,
adamc@282 1483 newline]
adamc@282 1484 end,
adamc@640 1485
adamc@282 1486 string "PGresult *res = ",
adamc@282 1487 case prepared of
adamc@295 1488 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1489 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1490 string (Int.toString n),
adamc@282 1491 string "\", ",
adamc@282 1492 string (Int.toString (length (getPargs query))),
adamc@295 1493 string ", paramValues, NULL, NULL, 0);"],
adamc@278 1494 newline,
adamc@278 1495 newline,
adamc@277 1496
adamc@311 1497 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1498 newline,
adamc@278 1499 newline,
adamc@277 1500
adamc@278 1501 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1502 newline,
adamc@278 1503 box [string "PQclear(res);",
adamc@278 1504 newline,
adamc@311 1505 string "uw_error(ctx, FATAL, \"",
adamc@278 1506 string (ErrorMsg.spanToString loc),
adamc@282 1507 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1508 case prepared of
adamc@282 1509 NONE => string "query"
adamc@282 1510 | SOME _ => p_exp env query,
adamc@282 1511 string ", PQerrorMessage(conn));",
adamc@278 1512 newline],
adamc@278 1513 string "}",
adamc@278 1514 newline,
adamc@278 1515 newline,
adamc@277 1516
adamc@323 1517 string "uw_end_region(ctx);",
adamc@323 1518 newline,
adamc@425 1519 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1520 newline,
adamc@278 1521 string "n = PQntuples(res);",
adamc@278 1522 newline,
adamc@278 1523 string "for (i = 0; i < n; ++i) {",
adamc@278 1524 newline,
adamc@278 1525 box [string "struct",
adamc@278 1526 space,
adamc@311 1527 string "__uws_",
adamc@278 1528 string (Int.toString rnum),
adamc@278 1529 space,
adamc@311 1530 string "__uwr_r_",
adamc@278 1531 string (Int.toString (E.countERels env)),
adamc@278 1532 string ";",
adamc@278 1533 newline,
adamc@278 1534 p_typ env state,
adamc@278 1535 space,
adamc@311 1536 string "__uwr_acc_",
adamc@278 1537 string (Int.toString (E.countERels env + 1)),
adamc@278 1538 space,
adamc@278 1539 string "=",
adamc@278 1540 space,
adamc@278 1541 string "acc;",
adamc@278 1542 newline,
adamc@278 1543 newline,
adamc@278 1544
adamc@278 1545 p_list_sepi (box []) (fn i =>
adamc@278 1546 fn (proj, t) =>
adamc@311 1547 box [string "__uwr_r_",
adamc@278 1548 string (Int.toString (E.countERels env)),
adamc@278 1549 string ".",
adamc@278 1550 string proj,
adamc@278 1551 space,
adamc@278 1552 string "=",
adamc@278 1553 space,
adamc@467 1554 p_getcol wontLeakStrings env t i,
adamc@278 1555 string ";",
adamc@278 1556 newline]) outputs,
adamc@278 1557
adamc@278 1558 newline,
adamc@278 1559 newline,
adamc@278 1560
adamc@278 1561 string "acc",
adamc@278 1562 space,
adamc@278 1563 string "=",
adamc@278 1564 space,
adamc@278 1565 p_exp (E.pushERel
adamc@278 1566 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1567 "acc" state)
adamc@278 1568 body,
adamc@278 1569 string ";",
adamc@278 1570 newline],
adamc@278 1571 string "}",
adamc@278 1572 newline,
adamc@278 1573 newline,
adamc@425 1574 string "uw_pop_cleanup(ctx);",
adamc@278 1575 newline,
adamc@324 1576 if wontLeakAnything then
adamc@324 1577 box [string "uw_end_region(ctx);",
adamc@324 1578 newline]
adamc@324 1579 else
adamc@324 1580 box [],
adamc@278 1581 string "acc;",
adamc@278 1582 newline,
adamc@640 1583 string "})"]
adamc@278 1584 end
adamc@106 1585
adamc@307 1586 | EDml {dml, prepared} =>
adamc@337 1587 box [string "(uw_begin_region(ctx), ({",
adamc@307 1588 newline,
adamc@311 1589 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1590 newline,
adamc@307 1591 case prepared of
adamc@307 1592 NONE => box [string "char *dml = ",
adamc@307 1593 p_exp env dml,
adamc@307 1594 string ";",
adamc@307 1595 newline]
adamc@307 1596 | SOME _ =>
adamc@307 1597 let
adamc@307 1598 val ets = getPargs dml
adamc@307 1599 in
adamc@307 1600 box [p_list_sepi newline
adamc@307 1601 (fn i => fn (e, t) =>
adamc@307 1602 box [p_sql_type t,
adamc@307 1603 space,
adamc@307 1604 string "arg",
adamc@307 1605 string (Int.toString (i + 1)),
adamc@307 1606 space,
adamc@307 1607 string "=",
adamc@307 1608 space,
adamc@307 1609 p_exp env e,
adamc@307 1610 string ";"])
adamc@307 1611 ets,
adamc@307 1612 newline,
adamc@307 1613 newline,
adamc@307 1614
adamc@307 1615 string "const char *paramValues[] = { ",
adamc@307 1616 p_list_sepi (box [string ",", space])
adamc@307 1617 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1618 string (Int.toString (i + 1))]))
adamc@307 1619 ets,
adamc@307 1620 string " };",
adamc@307 1621 newline,
adamc@307 1622 newline]
adamc@307 1623 end,
adamc@307 1624 newline,
adamc@307 1625 newline,
adamc@307 1626 string "PGresult *res = ",
adamc@307 1627 case prepared of
adamc@307 1628 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1629 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1630 string (Int.toString n),
adamc@307 1631 string "\", ",
adamc@307 1632 string (Int.toString (length (getPargs dml))),
adamc@307 1633 string ", paramValues, NULL, NULL, 0);"],
adamc@307 1634 newline,
adamc@307 1635 newline,
adamc@307 1636
adamc@311 1637 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1638 newline,
adamc@307 1639 newline,
adamc@307 1640
adamc@307 1641 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1642 newline,
adamc@307 1643 box [string "PQclear(res);",
adamc@307 1644 newline,
adamc@311 1645 string "uw_error(ctx, FATAL, \"",
adamc@307 1646 string (ErrorMsg.spanToString loc),
adamc@307 1647 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1648 case prepared of
adamc@307 1649 NONE => string "dml"
adamc@307 1650 | SOME _ => p_exp env dml,
adamc@307 1651 string ", PQerrorMessage(conn));",
adamc@307 1652 newline],
adamc@307 1653 string "}",
adamc@307 1654 newline,
adamc@307 1655 newline,
adamc@307 1656
adamc@307 1657 string "PQclear(res);",
adamc@307 1658 newline,
adamc@337 1659 string "uw_end_region(ctx);",
adamc@337 1660 newline,
adamc@311 1661 string "uw_unit_v;",
adamc@307 1662 newline,
adamc@337 1663 string "}))"]
adamc@307 1664
adamc@338 1665 | ENextval {seq, prepared} =>
adamc@338 1666 let
adamc@486 1667 val query = case seq of
adamc@486 1668 (EPrim (Prim.String s), loc) =>
adamc@486 1669 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1670 | _ =>
adamc@486 1671 let
adamc@486 1672 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1673 in
adamc@486 1674 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1675 end
adamc@338 1676 in
adamc@338 1677 box [string "(uw_begin_region(ctx), ",
adamc@338 1678 string "({",
adamc@338 1679 newline,
adamc@338 1680 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1681 newline,
adamc@338 1682 case prepared of
adamc@338 1683 NONE => box [string "char *query = ",
adamc@338 1684 p_exp env query,
adamc@338 1685 string ";",
adamc@338 1686 newline]
adamc@338 1687 | SOME _ =>
adamc@338 1688 box [],
adamc@338 1689 newline,
adamc@338 1690 string "PGresult *res = ",
adamc@338 1691 case prepared of
adamc@338 1692 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1693 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1694 string (Int.toString n),
adamc@338 1695 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1696 newline,
adamc@338 1697 string "uw_Basis_int n;",
adamc@338 1698 newline,
adamc@338 1699 newline,
adamc@338 1700
adamc@338 1701 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1702 newline,
adamc@338 1703 newline,
adamc@338 1704
adamc@338 1705 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1706 newline,
adamc@338 1707 box [string "PQclear(res);",
adamc@338 1708 newline,
adamc@338 1709 string "uw_error(ctx, FATAL, \"",
adamc@338 1710 string (ErrorMsg.spanToString loc),
adamc@338 1711 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1712 case prepared of
adamc@338 1713 NONE => string "query"
adamc@338 1714 | SOME _ => p_exp env query,
adamc@338 1715 string ", PQerrorMessage(conn));",
adamc@338 1716 newline],
adamc@338 1717 string "}",
adamc@338 1718 newline,
adamc@338 1719 newline,
adamc@338 1720
adamc@338 1721 string "uw_end_region(ctx);",
adamc@338 1722 newline,
adamc@338 1723 string "n = PQntuples(res);",
adamc@338 1724 newline,
adamc@338 1725 string "if (n != 1) {",
adamc@338 1726 newline,
adamc@338 1727 box [string "PQclear(res);",
adamc@338 1728 newline,
adamc@338 1729 string "uw_error(ctx, FATAL, \"",
adamc@338 1730 string (ErrorMsg.spanToString loc),
adamc@338 1731 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1732 case prepared of
adamc@338 1733 NONE => string "query"
adamc@338 1734 | SOME _ => p_exp env query,
adamc@338 1735 string ", PQerrorMessage(conn));",
adamc@338 1736 newline],
adamc@338 1737 string "}",
adamc@338 1738 newline,
adamc@338 1739 newline,
adamc@338 1740
adamc@338 1741 string "n = ",
adamc@338 1742 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1743 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1744 string ";",
adamc@338 1745 newline,
adamc@338 1746 string "PQclear(res);",
adamc@338 1747 newline,
adamc@338 1748 string "n;",
adamc@338 1749 newline,
adamc@338 1750 string "}))"]
adamc@338 1751 end
adamc@338 1752
adamc@463 1753 | EUnurlify (e, t) =>
adamc@463 1754 let
adamc@463 1755 fun getIt () =
adamc@463 1756 if isUnboxable t then
adamc@463 1757 unurlify env t
adamc@463 1758 else
adamc@463 1759 box [string "({",
adamc@463 1760 newline,
adamc@463 1761 p_typ env t,
adamc@463 1762 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1763 p_typ env t,
adamc@463 1764 string "));",
adamc@463 1765 newline,
adamc@463 1766 string "*tmp = ",
adamc@463 1767 unurlify env t,
adamc@463 1768 string ";",
adamc@463 1769 newline,
adamc@463 1770 string "tmp;",
adamc@463 1771 newline,
adamc@463 1772 string "})"]
adamc@463 1773 in
adamc@463 1774 box [string "({",
adamc@463 1775 newline,
adamc@493 1776 string "uw_Basis_string request = uw_Basis_maybe_strdup(ctx, ",
adamc@463 1777 p_exp env e,
adamc@492 1778 string ");",
adamc@463 1779 newline,
adamc@463 1780 newline,
adamc@463 1781 string "(request ? ",
adamc@463 1782 getIt (),
adamc@463 1783 string " : NULL);",
adamc@463 1784 newline,
adamc@463 1785 string "})"]
adamc@463 1786 end
adamc@463 1787
adamc@29 1788 and p_exp env = p_exp' false env
adamc@29 1789
adamc@129 1790 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1791 let
adamc@129 1792 val nargs = length args
adamc@129 1793 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1794 in
adamc@129 1795 box [string "static",
adamc@129 1796 space,
adamc@129 1797 p_typ env ran,
adamc@129 1798 space,
adamc@316 1799 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1800 string "(",
adamc@129 1801 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1802 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1803 box [p_typ env dom,
adamc@129 1804 space,
adamc@129 1805 p_rel env' (nargs - i - 1)]) args),
adamc@129 1806 string ")",
adamc@129 1807 space,
adamc@129 1808 string "{",
adamc@129 1809 newline,
adamc@638 1810 box [string "return(",
adamc@638 1811 p_exp env' e,
adamc@638 1812 string ");"],
adamc@129 1813 newline,
adamc@129 1814 string "}"]
adamc@129 1815 end
adamc@129 1816
adamc@129 1817 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1818 case d of
adamc@29 1819 DStruct (n, xts) =>
adamc@196 1820 let
adamc@196 1821 val env = E.declBinds env dAll
adamc@196 1822 in
adamc@196 1823 box [string "struct",
adamc@196 1824 space,
adamc@311 1825 string ("__uws_" ^ Int.toString n),
adamc@196 1826 space,
adamc@196 1827 string "{",
adamc@196 1828 newline,
adamc@196 1829 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1830 space,
adamc@311 1831 string "__uwf_",
adamc@316 1832 p_ident x,
adamc@196 1833 string ";",
adamc@196 1834 newline]) xts,
adamc@196 1835 string "};"]
adamc@196 1836 end
adamc@188 1837 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1838 box [string "enum",
adamc@188 1839 space,
adamc@316 1840 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1841 space,
adamc@188 1842 string "{",
adamc@188 1843 space,
adamc@316 1844 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1845 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1846 space,
adamc@188 1847 string "};"]
adamc@198 1848 | DDatatype (Option, _, _, _) => box []
adamc@188 1849 | DDatatype (Default, x, n, xncs) =>
adamc@165 1850 let
adamc@165 1851 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1852 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1853 in
adamc@165 1854 box [string "enum",
adamc@165 1855 space,
adamc@316 1856 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1857 space,
adamc@165 1858 string "{",
adamc@165 1859 space,
adamc@316 1860 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1861 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1862 space,
adamc@165 1863 string "};",
adamc@165 1864 newline,
adamc@165 1865 newline,
adamc@165 1866 string "struct",
adamc@165 1867 space,
adamc@316 1868 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1869 space,
adamc@165 1870 string "{",
adamc@165 1871 newline,
adamc@165 1872 string "enum",
adamc@165 1873 space,
adamc@316 1874 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1875 space,
adamc@165 1876 string "tag;",
adamc@165 1877 newline,
adamc@165 1878 box (case xncsArgs of
adamc@165 1879 [] => []
adamc@165 1880 | _ => [string "union",
adamc@165 1881 space,
adamc@165 1882 string "{",
adamc@165 1883 newline,
adamc@165 1884 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1885 space,
adamc@316 1886 string ("uw_" ^ ident x),
adamc@165 1887 string ";"]) xncsArgs,
adamc@165 1888 newline,
adamc@165 1889 string "}",
adamc@165 1890 space,
adamc@165 1891 string "data;",
adamc@165 1892 newline]),
adamc@165 1893 string "};"]
adamc@188 1894 end
adamc@29 1895
adamc@196 1896 | DDatatypeForward _ => box []
adamc@196 1897
adamc@29 1898 | DVal (x, n, t, e) =>
adamc@29 1899 box [p_typ env t,
adamc@29 1900 space,
adamc@316 1901 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1902 space,
adamc@29 1903 string "=",
adamc@29 1904 space,
adamc@29 1905 p_exp env e,
adamc@29 1906 string ";"]
adamc@129 1907 | DFun vi => p_fun env vi
adamc@129 1908 | DFunRec vis =>
adamc@29 1909 let
adamc@129 1910 val env = E.declBinds env dAll
adamc@29 1911 in
adamc@129 1912 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1913 box [string "static",
adamc@129 1914 space,
adamc@129 1915 p_typ env ran,
adamc@129 1916 space,
adamc@316 1917 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1918 string "(uw_context,",
adamc@129 1919 space,
adamc@129 1920 p_list_sep (box [string ",", space])
adamc@129 1921 (fn (_, dom) => p_typ env dom) args,
adamc@129 1922 string ");"]) vis,
adamc@29 1923 newline,
adamc@129 1924 p_list_sep newline (p_fun env) vis,
adamc@129 1925 newline]
adamc@29 1926 end
adamc@273 1927 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1928 string x,
adamc@273 1929 string " */",
adamc@273 1930 newline]
adamc@338 1931 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1932 string x,
adamc@338 1933 string " */",
adamc@338 1934 newline]
adamc@311 1935 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1936 newline,
adamc@311 1937 string "static void uw_db_prepare(uw_context);",
adamc@282 1938 newline,
adamc@275 1939 newline,
adamc@311 1940 string "void uw_db_init(uw_context ctx) {",
adamc@273 1941 newline,
adamc@272 1942 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1943 string (String.toString s),
adamc@272 1944 string "\");",
adamc@272 1945 newline,
adamc@311 1946 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1947 string "\"libpq can't allocate a connection.\");",
adamc@272 1948 newline,
adamc@272 1949 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1950 newline,
adamc@272 1951 box [string "char msg[1024];",
adamc@272 1952 newline,
adamc@272 1953 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1954 newline,
adamc@272 1955 string "msg[1023] = 0;",
adamc@272 1956 newline,
adamc@272 1957 string "PQfinish(conn);",
adamc@272 1958 newline,
adamc@311 1959 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1960 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1961 newline,
adamc@272 1962 string "}",
adamc@272 1963 newline,
adamc@311 1964 string "uw_set_db(ctx, conn);",
adamc@272 1965 newline,
adamc@311 1966 string "uw_db_validate(ctx);",
adamc@275 1967 newline,
adamc@311 1968 string "uw_db_prepare(ctx);",
adamc@282 1969 newline,
adamc@272 1970 string "}",
adamc@272 1971 newline,
adamc@272 1972 newline,
adamc@311 1973 string "void uw_db_close(uw_context ctx) {",
adamc@272 1974 newline,
adamc@311 1975 string "PQfinish(uw_get_db(ctx));",
adamc@272 1976 newline,
adamc@272 1977 string "}",
adamc@424 1978 newline,
adamc@424 1979 newline,
adamc@424 1980
adamc@424 1981 string "int uw_db_begin(uw_context ctx) {",
adamc@424 1982 newline,
adamc@424 1983 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1984 newline,
adamc@424 1985 string "PGresult *res = PQexec(conn, \"BEGIN\");",
adamc@424 1986 newline,
adamc@424 1987 newline,
adamc@424 1988 string "if (res == NULL) return 1;",
adamc@424 1989 newline,
adamc@424 1990 newline,
adamc@424 1991 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1992 box [string "PQclear(res);",
adamc@424 1993 newline,
adamc@424 1994 string "return 1;",
adamc@424 1995 newline],
adamc@424 1996 string "}",
adamc@424 1997 newline,
adamc@424 1998 string "return 0;",
adamc@424 1999 newline,
adamc@424 2000 string "}",
adamc@424 2001 newline,
adamc@424 2002 newline,
adamc@424 2003
adamc@424 2004 string "int uw_db_commit(uw_context ctx) {",
adamc@424 2005 newline,
adamc@424 2006 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 2007 newline,
adamc@424 2008 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@424 2009 newline,
adamc@424 2010 newline,
adamc@424 2011 string "if (res == NULL) return 1;",
adamc@424 2012 newline,
adamc@424 2013 newline,
adamc@424 2014 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2015 box [string "PQclear(res);",
adamc@424 2016 newline,
adamc@424 2017 string "return 1;",
adamc@424 2018 newline],
adamc@424 2019 string "}",
adamc@424 2020 newline,
adamc@424 2021 string "return 0;",
adamc@424 2022 newline,
adamc@424 2023 string "}",
adamc@424 2024 newline,
adamc@424 2025 newline,
adamc@424 2026
adamc@424 2027 string "int uw_db_rollback(uw_context ctx) {",
adamc@424 2028 newline,
adamc@424 2029 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 2030 newline,
adamc@424 2031 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@424 2032 newline,
adamc@424 2033 newline,
adamc@424 2034 string "if (res == NULL) return 1;",
adamc@424 2035 newline,
adamc@424 2036 newline,
adamc@424 2037 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2038 box [string "PQclear(res);",
adamc@424 2039 newline,
adamc@424 2040 string "return 1;",
adamc@424 2041 newline],
adamc@424 2042 string "}",
adamc@424 2043 newline,
adamc@424 2044 string "return 0;",
adamc@424 2045 newline,
adamc@424 2046 string "}",
adamc@272 2047 newline]
adamc@29 2048
adamc@467 2049 | DPreparedStatements [] =>
adamc@467 2050 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2051 newline,
adamc@467 2052 string "}"]
adamc@282 2053 | DPreparedStatements ss =>
adamc@311 2054 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2055 newline,
adamc@311 2056 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2057 newline,
adamc@282 2058 string "PGresult *res;",
adamc@282 2059 newline,
adamc@282 2060 newline,
adamc@282 2061
adamc@282 2062 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2063 box [string "res = PQprepare(conn, \"uw",
adamc@282 2064 string (Int.toString i),
adamc@282 2065 string "\", \"",
adamc@282 2066 string (String.toString s),
adamc@282 2067 string "\", ",
adamc@282 2068 string (Int.toString n),
adamc@282 2069 string ", NULL);",
adamc@282 2070 newline,
adamc@282 2071 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2072 newline,
adamc@282 2073 box [string "char msg[1024];",
adamc@282 2074 newline,
adamc@282 2075 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2076 newline,
adamc@282 2077 string "msg[1023] = 0;",
adamc@282 2078 newline,
adamc@282 2079 string "PQclear(res);",
adamc@282 2080 newline,
adamc@282 2081 string "PQfinish(conn);",
adamc@282 2082 newline,
adamc@311 2083 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2084 string (String.toString s),
adamc@282 2085 string "\\n%s\", msg);",
adamc@282 2086 newline],
adamc@282 2087 string "}",
adamc@282 2088 newline,
adamc@282 2089 string "PQclear(res);",
adamc@282 2090 newline])
adamc@282 2091 ss,
adamc@282 2092
adamc@282 2093 string "}"]
adamc@282 2094
adamc@569 2095 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2096 string (String.toString s),
adamc@569 2097 string "\";"]
adamc@569 2098
adamc@144 2099 datatype 'a search =
adamc@144 2100 Found of 'a
adamc@144 2101 | NotFound
adamc@144 2102 | Error
adamc@120 2103
adamc@467 2104 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2105 case t of
adamc@275 2106 TFfi ("Basis", "int") => "int8"
adamc@275 2107 | TFfi ("Basis", "float") => "float8"
adamc@275 2108 | TFfi ("Basis", "string") => "text"
adamc@275 2109 | TFfi ("Basis", "bool") => "bool"
adamc@438 2110 | TFfi ("Basis", "time") => "timestamp"
adamc@678 2111 | TFfi ("Basis", "channel") => "int4"
adamc@275 2112 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2113 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2114 "ERROR")
adamc@275 2115
adamc@467 2116 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2117 case t of
adamc@467 2118 (TOption t, _) => p_sqltype'' env t
adamc@467 2119 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2120
adamc@275 2121 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2122
adamc@467 2123 fun p_sqltype_base' env t =
adamc@467 2124 case t of
adamc@467 2125 (TOption t, _) => p_sqltype'' env t
adamc@467 2126 | _ => p_sqltype'' env t
adamc@467 2127
adamc@467 2128 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2129
adamc@467 2130 fun is_not_null t =
adamc@467 2131 case t of
adamc@467 2132 (TOption _, _) => false
adamc@467 2133 | _ => true
adamc@467 2134
adamc@101 2135 fun p_file env (ds, ps) =
adamc@29 2136 let
adamc@101 2137 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2138 (p_decl env d,
adamc@638 2139 E.declBinds env d))
adamc@101 2140 env ds
adamc@144 2141
adamc@643 2142 val fields = foldl (fn ((ek, _, _, ts, _, _), fields) =>
adamc@144 2143 case ek of
adamc@144 2144 Core.Link => fields
adamc@608 2145 | Core.Rpc => fields
adamc@144 2146 | Core.Action =>
adamc@280 2147 case List.nth (ts, length ts - 2) of
adamc@144 2148 (TRecord i, _) =>
adamc@144 2149 let
adamc@144 2150 val xts = E.lookupStruct env i
adamc@144 2151 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 2152 in
adamc@144 2153 foldl (fn ((x, _), fields) =>
adamc@144 2154 let
adamc@144 2155 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 2156 in
adamc@144 2157 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 2158 xtsSet'))
adamc@144 2159 end) fields xts
adamc@144 2160 end
adamc@144 2161 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 2162 SM.empty ps
adamc@144 2163
adamc@144 2164 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2165 let
adamc@144 2166 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2167 case SM.find (fnums, x') of
adamc@144 2168 NONE => unusable
adamc@144 2169 | SOME n => IS.add (unusable, n))
adamc@144 2170 IS.empty xs
adamc@144 2171
adamc@144 2172 fun findAvailable n =
adamc@144 2173 if IS.member (unusable, n) then
adamc@144 2174 findAvailable (n + 1)
adamc@144 2175 else
adamc@144 2176 n
adamc@144 2177 in
adamc@144 2178 SM.insert (fnums, x, findAvailable 0)
adamc@144 2179 end)
adamc@144 2180 SM.empty fields
adamc@144 2181
adamc@144 2182 fun makeSwitch (fnums, i) =
adamc@144 2183 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2184 | (n, Error) => Error
adamc@144 2185 | (n, Found n') => if n = n' then
adamc@144 2186 Found n'
adamc@144 2187 else
adamc@144 2188 Error) NotFound fnums of
adamc@144 2189 NotFound => box [string "return",
adamc@144 2190 space,
adamc@144 2191 string "-1;"]
adamc@144 2192 | Found n => box [string "return",
adamc@144 2193 space,
adamc@144 2194 string (Int.toString n),
adamc@144 2195 string ";"]
adamc@144 2196 | Error =>
adamc@144 2197 let
adamc@144 2198 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2199 let
adamc@144 2200 val ch = if i < size x then
adamc@144 2201 String.sub (x, i)
adamc@144 2202 else
adamc@144 2203 chr 0
adamc@144 2204
adamc@144 2205 val fnums = case CM.find (cmap, ch) of
adamc@144 2206 NONE => SM.empty
adamc@144 2207 | SOME fnums => fnums
adamc@144 2208 val fnums = SM.insert (fnums, x, n)
adamc@144 2209 in
adamc@144 2210 CM.insert (cmap, ch, fnums)
adamc@144 2211 end)
adamc@144 2212 CM.empty fnums
adamc@144 2213
adamc@144 2214 val cmap = CM.listItemsi cmap
adamc@144 2215 in
adamc@144 2216 case cmap of
adamc@144 2217 [(_, fnums)] =>
adamc@144 2218 box [string "if",
adamc@144 2219 space,
adamc@144 2220 string "(name[",
adamc@144 2221 string (Int.toString i),
adamc@144 2222 string "]",
adamc@144 2223 space,
adamc@144 2224 string "==",
adamc@144 2225 space,
adamc@144 2226 string "0)",
adamc@144 2227 space,
adamc@144 2228 string "return",
adamc@144 2229 space,
adamc@144 2230 string "-1;",
adamc@144 2231 newline,
adamc@144 2232 makeSwitch (fnums, i+1)]
adamc@144 2233 | _ =>
adamc@144 2234 box [string "switch",
adamc@144 2235 space,
adamc@144 2236 string "(name[",
adamc@144 2237 string (Int.toString i),
adamc@144 2238 string "])",
adamc@144 2239 space,
adamc@144 2240 string "{",
adamc@144 2241 newline,
adamc@144 2242 box (map (fn (ch, fnums) =>
adamc@144 2243 box [string "case",
adamc@144 2244 space,
adamc@144 2245 if ch = chr 0 then
adamc@144 2246 string "0:"
adamc@144 2247 else
adamc@144 2248 box [string "'",
adamc@144 2249 string (Char.toString ch),
adamc@144 2250 string "':"],
adamc@144 2251 newline,
adamc@144 2252 makeSwitch (fnums, i+1),
adamc@144 2253 newline]) cmap),
adamc@144 2254 string "default:",
adamc@144 2255 newline,
adamc@144 2256 string "return",
adamc@144 2257 space,
adamc@144 2258 string "-1;",
adamc@144 2259 newline,
adamc@144 2260 string "}"]
adamc@144 2261 end
adamc@144 2262
adamc@643 2263 fun p_page (ek, s, n, ts, ran, side) =
adamc@144 2264 let
adamc@144 2265 val (ts, defInputs, inputsVar) =
adamc@144 2266 case ek of
adamc@314 2267 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@608 2268 | Core.Rpc => (List.take (ts, length ts - 1), string "", string "")
adamc@144 2269 | Core.Action =>
adamc@280 2270 case List.nth (ts, length ts - 2) of
adamc@144 2271 (TRecord i, _) =>
adamc@144 2272 let
adamc@144 2273 val xts = E.lookupStruct env i
adamc@144 2274 in
adamc@280 2275 (List.take (ts, length ts - 2),
adamc@144 2276 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2277 space,
adamc@311 2278 string "uw_input_",
adamc@316 2279 p_ident x,
adamc@144 2280 string ";",
adamc@144 2281 newline]) xts),
adamc@144 2282 newline,
adamc@144 2283 box (map (fn (x, t) =>
adamc@144 2284 let
adamc@144 2285 val n = case SM.find (fnums, x) of
adamc@144 2286 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 2287 | SOME n => n
adamc@190 2288
adamc@190 2289 val f = case t of
adamc@190 2290 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 2291 | _ => ""
adamc@144 2292 in
adamc@311 2293 box [string "request = uw_get_",
adamc@190 2294 string f,
adamc@190 2295 string "input(ctx, ",
adamc@144 2296 string (Int.toString n),
adamc@144 2297 string ");",
adamc@144 2298 newline,
adamc@433 2299 string "if (request == NULL)",
adamc@144 2300 newline,
adamc@433 2301 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@144 2302 string x,
adamc@433 2303 string "\");"],
adamc@144 2304 newline,
adamc@311 2305 string "uw_input_",
adamc@316 2306 p_ident x,
adamc@144 2307 space,
adamc@144 2308 string "=",
adamc@144 2309 space,
adamc@463 2310 unurlify env t,
adamc@144 2311 string ";",
adamc@144 2312 newline]
adamc@144 2313 end) xts),
adamc@311 2314 string "struct __uws_",
adamc@144 2315 string (Int.toString i),
adamc@144 2316 space,
adamc@311 2317 string "uw_inputs",
adamc@144 2318 space,
adamc@144 2319 string "= {",
adamc@144 2320 newline,
adamc@311 2321 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2322 p_ident x,
adamc@144 2323 string ",",
adamc@144 2324 newline]) xts),
adamc@144 2325 string "};",
adamc@144 2326 newline],
adamc@144 2327 box [string ",",
adamc@144 2328 space,
adamc@311 2329 string "uw_inputs"])
adamc@144 2330 end
adamc@144 2331
adamc@144 2332 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 2333 in
adamc@144 2334 box [string "if (!strncmp(request, \"",
adamc@144 2335 string (String.toString s),
adamc@144 2336 string "\", ",
adamc@144 2337 string (Int.toString (size s)),
adamc@198 2338 string ") && (request[",
adamc@198 2339 string (Int.toString (size s)),
adamc@198 2340 string "] == 0 || request[",
adamc@198 2341 string (Int.toString (size s)),
adamc@198 2342 string "] == '/')) {",
adamc@144 2343 newline,
adamc@144 2344 string "request += ",
adamc@144 2345 string (Int.toString (size s)),
adamc@144 2346 string ";",
adamc@144 2347 newline,
adamc@144 2348 string "if (*request == '/') ++request;",
adamc@144 2349 newline,
adamc@609 2350 box (case ek of
adamc@610 2351 Core.Rpc => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@610 2352 newline]
adamc@609 2353 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2354 newline,
adamc@609 2355 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2356 newline,
adamc@609 2357 string "uw_write(ctx, \"<html>\");",
adamc@643 2358 newline,
adamc@643 2359 string "uw_set_script_header(ctx, \"",
adamc@643 2360 string (case side of
adamc@645 2361 ServerAndClient => "<script src=\\\""
adamc@645 2362 ^ OS.Path.joinDirFile {dir = !Monoize.urlPrefix,
adamc@645 2363 file = "app.js"}
adamc@645 2364 ^ "\\\"></script>\\n"
adamc@643 2365 | ServerOnly => ""),
adamc@643 2366 string "\");",
adamc@667 2367 string "uw_set_url_prefix(ctx, \"",
adamc@667 2368 string (!Monoize.urlPrefix),
adamc@667 2369 string "\");",
adamc@609 2370 newline]),
adamc@144 2371 box [string "{",
adamc@144 2372 newline,
adamc@144 2373 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2374 space,
adamc@144 2375 string "arg",
adamc@144 2376 string (Int.toString i),
adamc@144 2377 space,
adamc@144 2378 string "=",
adamc@144 2379 space,
adamc@463 2380 unurlify env t,
adamc@144 2381 string ";",
adamc@144 2382 newline]) ts),
adamc@144 2383 defInputs,
adamc@609 2384 box (case ek of
adamc@609 2385 Core.Rpc => [p_typ env ran,
adamc@609 2386 space,
adamc@610 2387 string "it0",
adamc@609 2388 space,
adamc@609 2389 string "=",
adamc@609 2390 space]
adamc@609 2391 | _ => []),
adamc@144 2392 p_enamed env n,
adamc@144 2393 string "(",
adamc@144 2394 p_list_sep (box [string ",", space])
adamc@144 2395 (fn x => x)
adamc@272 2396 (string "ctx"
adamc@280 2397 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2398 inputsVar,
adamc@311 2399 string ", uw_unit_v);",
adamc@144 2400 newline,
adamc@609 2401 box (case ek of
adamc@610 2402 Core.Rpc => [urlify env ran]
adamc@609 2403 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2404 newline]),
adamc@144 2405 string "return;",
adamc@144 2406 newline,
adamc@144 2407 string "}",
adamc@144 2408 newline,
adamc@144 2409 string "}"]
adamc@144 2410 ]
adamc@144 2411 end
adamc@144 2412
adamc@144 2413 val pds' = map p_page ps
adamc@275 2414
adamc@275 2415 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 2416 | _ => NONE) ds
adamc@377 2417 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2418 | _ => NONE) ds
adamc@275 2419
adamc@275 2420 val validate =
adamc@311 2421 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2422 newline,
adamc@311 2423 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2424 newline,
adamc@275 2425 string "PGresult *res;",
adamc@275 2426 newline,
adamc@275 2427 newline,
adamc@275 2428 p_list_sep newline
adamc@275 2429 (fn (s, xts) =>
adamc@275 2430 let
adamc@377 2431 val sl = CharVector.map Char.toLower s
adamc@377 2432
adamc@275 2433 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2434 ^ sl ^ "'"
adamc@275 2435
adamc@275 2436 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2437 sl,
adamc@275 2438 "') AND (",
adamc@275 2439 String.concatWith " OR "
adamc@275 2440 (map (fn (x, t) =>
adamc@311 2441 String.concat ["(attname = 'uw_",
adamc@275 2442 CharVector.map
adamc@316 2443 Char.toLower (ident x),
adamc@275 2444 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2445 " WHERE typname = '",
adamc@467 2446 p_sqltype_base' env t,
adamc@467 2447 "') AND attnotnull = ",
adamc@467 2448 if is_not_null t then
adamc@467 2449 "TRUE"
adamc@467 2450 else
adamc@467 2451 "FALSE",
adamc@467 2452 ")"]) xts),
adamc@275 2453 ")"]
adamc@275 2454
adamc@275 2455 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2456 sl,
adamc@325 2457 "') AND attname LIKE 'uw_%'"]
adamc@275 2458 in
adamc@275 2459 box [string "res = PQexec(conn, \"",
adamc@275 2460 string q,
adamc@275 2461 string "\");",
adamc@275 2462 newline,
adamc@275 2463 newline,
adamc@275 2464 string "if (res == NULL) {",
adamc@275 2465 newline,
adamc@275 2466 box [string "PQfinish(conn);",
adamc@275 2467 newline,
adamc@311 2468 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2469 newline],
adamc@275 2470 string "}",
adamc@275 2471 newline,
adamc@275 2472 newline,
adamc@275 2473 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2474 newline,
adamc@275 2475 box [string "char msg[1024];",
adamc@275 2476 newline,
adamc@275 2477 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2478 newline,
adamc@275 2479 string "msg[1023] = 0;",
adamc@275 2480 newline,
adamc@275 2481 string "PQclear(res);",
adamc@275 2482 newline,
adamc@275 2483 string "PQfinish(conn);",
adamc@275 2484 newline,
adamc@311 2485 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2486 string q,
adamc@275 2487 string "\\n%s\", msg);",
adamc@275 2488 newline],
adamc@275 2489 string "}",
adamc@275 2490 newline,
adamc@275 2491 newline,
adamc@275 2492 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2493 newline,
adamc@275 2494 box [string "PQclear(res);",
adamc@275 2495 newline,
adamc@275 2496 string "PQfinish(conn);",
adamc@275 2497 newline,
adamc@311 2498 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2499 string s,
adamc@275 2500 string "' does not exist.\");",
adamc@275 2501 newline],
adamc@275 2502 string "}",
adamc@275 2503 newline,
adamc@275 2504 newline,
adamc@275 2505 string "PQclear(res);",
adamc@275 2506 newline,
adamc@275 2507
adamc@275 2508 string "res = PQexec(conn, \"",
adamc@275 2509 string q',
adamc@275 2510 string "\");",
adamc@275 2511 newline,
adamc@275 2512 newline,
adamc@275 2513 string "if (res == NULL) {",
adamc@275 2514 newline,
adamc@275 2515 box [string "PQfinish(conn);",
adamc@275 2516 newline,
adamc@311 2517 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2518 newline],
adamc@275 2519 string "}",
adamc@275 2520 newline,
adamc@275 2521 newline,
adamc@275 2522 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2523 newline,
adamc@275 2524 box [string "char msg[1024];",
adamc@275 2525 newline,
adamc@275 2526 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2527 newline,
adamc@275 2528 string "msg[1023] = 0;",
adamc@275 2529 newline,
adamc@275 2530 string "PQclear(res);",
adamc@275 2531 newline,
adamc@275 2532 string "PQfinish(conn);",
adamc@275 2533 newline,
adamc@311 2534 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2535 string q',
adamc@275 2536 string "\\n%s\", msg);",
adamc@275 2537 newline],
adamc@275 2538 string "}",
adamc@275 2539 newline,
adamc@275 2540 newline,
adamc@275 2541 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2542 string (Int.toString (length xts)),
adamc@275 2543 string "\")) {",
adamc@275 2544 newline,
adamc@275 2545 box [string "PQclear(res);",
adamc@275 2546 newline,
adamc@275 2547 string "PQfinish(conn);",
adamc@275 2548 newline,
adamc@311 2549 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2550 string s,
adamc@275 2551 string "' has the wrong column types.\");",
adamc@275 2552 newline],
adamc@275 2553 string "}",
adamc@275 2554 newline,
adamc@275 2555 newline,
adamc@275 2556 string "PQclear(res);",
adamc@275 2557 newline,
adamc@275 2558 newline,
adamc@275 2559
adamc@275 2560 string "res = PQexec(conn, \"",
adamc@275 2561 string q'',
adamc@275 2562 string "\");",
adamc@275 2563 newline,
adamc@275 2564 newline,
adamc@275 2565 string "if (res == NULL) {",
adamc@275 2566 newline,
adamc@275 2567 box [string "PQfinish(conn);",
adamc@275 2568 newline,
adamc@311 2569 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2570 newline],
adamc@275 2571 string "}",
adamc@275 2572 newline,
adamc@275 2573 newline,
adamc@275 2574 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2575 newline,
adamc@275 2576 box [string "char msg[1024];",
adamc@275 2577 newline,
adamc@275 2578 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2579 newline,
adamc@275 2580 string "msg[1023] = 0;",
adamc@275 2581 newline,
adamc@275 2582 string "PQclear(res);",
adamc@275 2583 newline,
adamc@275 2584 string "PQfinish(conn);",
adamc@275 2585 newline,
adamc@311 2586 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2587 string q'',
adamc@275 2588 string "\\n%s\", msg);",
adamc@275 2589 newline],
adamc@275 2590 string "}",
adamc@275 2591 newline,
adamc@275 2592 newline,
adamc@275 2593 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2594 string (Int.toString (length xts)),
adamc@275 2595 string "\")) {",
adamc@275 2596 newline,
adamc@275 2597 box [string "PQclear(res);",
adamc@275 2598 newline,
adamc@275 2599 string "PQfinish(conn);",
adamc@275 2600 newline,
adamc@311 2601 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2602 string s,
adamc@275 2603 string "' has extra columns.\");",
adamc@275 2604 newline],
adamc@275 2605 string "}",
adamc@275 2606 newline,
adamc@275 2607 newline,
adamc@275 2608 string "PQclear(res);",
adamc@275 2609 newline]
adamc@275 2610 end) tables,
adamc@377 2611
adamc@377 2612 p_list_sep newline
adamc@377 2613 (fn s =>
adamc@377 2614 let
adamc@377 2615 val sl = CharVector.map Char.toLower s
adamc@377 2616
adamc@377 2617 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2618 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2619 in
adamc@377 2620 box [string "res = PQexec(conn, \"",
adamc@377 2621 string q,
adamc@377 2622 string "\");",
adamc@377 2623 newline,
adamc@377 2624 newline,
adamc@377 2625 string "if (res == NULL) {",
adamc@377 2626 newline,
adamc@377 2627 box [string "PQfinish(conn);",
adamc@377 2628 newline,
adamc@377 2629 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2630 newline],
adamc@377 2631 string "}",
adamc@377 2632 newline,
adamc@377 2633 newline,
adamc@377 2634 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2635 newline,
adamc@377 2636 box [string "char msg[1024];",
adamc@377 2637 newline,
adamc@377 2638 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2639 newline,
adamc@377 2640 string "msg[1023] = 0;",
adamc@377 2641 newline,
adamc@377 2642 string "PQclear(res);",
adamc@377 2643 newline,
adamc@377 2644 string "PQfinish(conn);",
adamc@377 2645 newline,
adamc@377 2646 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2647 string q,
adamc@377 2648 string "\\n%s\", msg);",
adamc@377 2649 newline],
adamc@377 2650 string "}",
adamc@377 2651 newline,
adamc@377 2652 newline,
adamc@377 2653 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2654 newline,
adamc@377 2655 box [string "PQclear(res);",
adamc@377 2656 newline,
adamc@377 2657 string "PQfinish(conn);",
adamc@377 2658 newline,
adamc@377 2659 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2660 string s,
adamc@377 2661 string "' does not exist.\");",
adamc@377 2662 newline],
adamc@377 2663 string "}",
adamc@377 2664 newline,
adamc@377 2665 newline,
adamc@377 2666 string "PQclear(res);",
adamc@377 2667 newline]
adamc@377 2668 end) sequences,
adamc@377 2669
adamc@275 2670 string "}"]
adamc@432 2671
adamc@432 2672 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@29 2673 in
adamc@144 2674 box [string "#include <stdio.h>",
adamc@144 2675 newline,
adamc@144 2676 string "#include <stdlib.h>",
adamc@144 2677 newline,
adamc@272 2678 string "#include <string.h>",
adamc@272 2679 newline,
adamc@390 2680 string "#include <math.h>",
adamc@390 2681 newline,
adamc@432 2682 if hasDb then
adamc@432 2683 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2684 newline]
adamc@432 2685 else
adamc@432 2686 box [],
adamc@144 2687 newline,
adamc@378 2688 string "#include \"",
adamc@378 2689 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2690 file = "urweb.h"}),
adamc@378 2691 string "\"",
adamc@101 2692 newline,
adamc@101 2693 newline,
adamc@101 2694 p_list_sep newline (fn x => x) pds,
adamc@101 2695 newline,
adamc@311 2696 string "int uw_inputs_len = ",
adamc@144 2697 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2698 string ";",
adamc@144 2699 newline,
adamc@673 2700 string "int uw_timeout = ",
adamc@673 2701 string (Int.toString (!timeout)),
adamc@673 2702 string ";",
adamc@673 2703 newline,
adamc@144 2704 newline,
adamc@311 2705 string "int uw_input_num(char *name) {",
adamc@144 2706 newline,
adamc@144 2707 makeSwitch (fnums, 0),
adamc@144 2708 string "}",
adamc@144 2709 newline,
adamc@144 2710 newline,
adamc@311 2711 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2712 newline,
adamc@569 2713 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 2714 newline,
adamc@569 2715 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 2716 newline,
adamc@569 2717 string "uw_write(ctx, jslib);",
adamc@569 2718 newline,
adamc@569 2719 string "return;",
adamc@569 2720 newline],
adamc@569 2721 string "}",
adamc@569 2722 newline,
adamc@101 2723 p_list_sep newline (fn x => x) pds',
adamc@101 2724 newline,
adamc@387 2725 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2726 newline,
adamc@101 2727 string "}",
adamc@275 2728 newline,
adamc@275 2729 newline,
adamc@432 2730 if hasDb then
adamc@432 2731 validate
adamc@432 2732 else
adamc@432 2733 box [],
adamc@376 2734 newline,
adamc@376 2735 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2736 box []
adamc@376 2737 else
adamc@376 2738 box [newline,
adamc@376 2739 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2740 newline,
adamc@424 2741 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2742 newline,
adamc@424 2743 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2744 newline,
adamc@424 2745 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@376 2746 newline]]
adamc@29 2747 end
adamc@29 2748
adamc@274 2749 fun p_sql env (ds, _) =
adamc@274 2750 let
adamc@274 2751 val (pps, _) = ListUtil.foldlMap
adamc@274 2752 (fn (dAll as (d, _), env) =>
adamc@274 2753 let
adamc@274 2754 val pp = case d of
adamc@274 2755 DTable (s, xts) =>
adamc@274 2756 box [string "CREATE TABLE ",
adamc@274 2757 string s,
adamc@274 2758 string "(",
adamc@274 2759 p_list (fn (x, t) =>
adamc@311 2760 box [string "uw_",
adamc@275 2761 string (CharVector.map Char.toLower x),
adamc@274 2762 space,
adamc@467 2763 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@274 2764 string ");",
adamc@274 2765 newline,
adamc@274 2766 newline]
adamc@338 2767 | DSequence s =>
adamc@338 2768 box [string "CREATE SEQUENCE ",
adamc@338 2769 string s,
adamc@338 2770 string ";",
adamc@338 2771 newline,
adamc@338 2772 newline]
adamc@274 2773 | _ => box []
adamc@274 2774 in
adamc@274 2775 (pp, E.declBinds env dAll)
adamc@274 2776 end)
adamc@274 2777 env ds
adamc@274 2778 in
adamc@274 2779 box pps
adamc@274 2780 end
adamc@274 2781
adamc@29 2782 end