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annotate src/cjr_print.sml @ 688:829887ca47a6

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Detect serialization failures
author Adam Chlipala <adamc@hcoop.net>
date Thu, 02 Apr 2009 13:31:13 -0400
parents a3ddf05fb3e3
children 655bcc9b77e0
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@682 407 | TFfi ("Basis", "client") => box [string "uw_Basis_stringToClient_error(ctx, ", e, string ")"]
adamc@467 408
adamc@278 409 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 410 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 411 string "ERROR")
adamc@278 412
adamc@467 413 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 414 case t of
adamc@467 415 TOption t =>
adamc@467 416 box [string "(PQgetisnull (res, i, ",
adamc@467 417 string (Int.toString i),
adamc@467 418 string ") ? NULL : ",
adamc@467 419 case t of
adamc@467 420 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 421 | _ => box [string "({",
adamc@467 422 newline,
adamc@467 423 p_typ env t,
adamc@467 424 space,
adamc@467 425 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 426 p_typ env t,
adamc@467 427 string "));",
adamc@467 428 newline,
adamc@467 429 string "*tmp = ",
adamc@467 430 p_getcol wontLeakStrings env t i,
adamc@467 431 string ";",
adamc@467 432 newline,
adamc@467 433 string "tmp;",
adamc@467 434 newline,
adamc@467 435 string "})"],
adamc@467 436 string ")"]
adamc@467 437
adamc@467 438 | _ =>
adamc@467 439 p_unsql wontLeakStrings env tAll
adamc@467 440 (box [string "PQgetvalue(res, i, ",
adamc@467 441 string (Int.toString i),
adamc@467 442 string ")"])
adamc@467 443
adamc@282 444 datatype sql_type =
adamc@282 445 Int
adamc@282 446 | Float
adamc@282 447 | String
adamc@282 448 | Bool
adamc@439 449 | Time
adamc@678 450 | Channel
adamc@682 451 | Client
adamc@467 452 | Nullable of sql_type
adamc@282 453
adamc@467 454 fun p_sql_type' t =
adamc@467 455 case t of
adamc@467 456 Int => "uw_Basis_int"
adamc@467 457 | Float => "uw_Basis_float"
adamc@467 458 | String => "uw_Basis_string"
adamc@467 459 | Bool => "uw_Basis_bool"
adamc@467 460 | Time => "uw_Basis_time"
adamc@678 461 | Channel => "uw_Basis_channel"
adamc@682 462 | Client => "uw_Basis_client"
adamc@467 463 | Nullable String => "uw_Basis_string"
adamc@467 464 | Nullable t => p_sql_type' t ^ "*"
adamc@467 465
adamc@467 466 fun p_sql_type t = string (p_sql_type' t)
adamc@282 467
adamc@282 468 fun getPargs (e, _) =
adamc@282 469 case e of
adamc@282 470 EPrim (Prim.String _) => []
adamc@282 471 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 472
adamc@282 473 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 474 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 475 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 476 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 477 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@678 478 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@682 479 | EFfiApp ("Basis", "sqlifyClient", [e]) => [(e, Client)]
adamc@468 480
adamc@678 481 | ECase (e,
adamc@678 482 [((PNone _, _),
adamc@678 483 (EPrim (Prim.String "NULL"), _)),
adamc@678 484 ((PSome (_, (PVar _, _)), _),
adamc@678 485 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 486 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 487
adamc@491 488 | ECase (e,
adamc@491 489 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 490 (EPrim (Prim.String "TRUE"), _)),
adamc@491 491 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 492 (EPrim (Prim.String "FALSE"), _))],
adamc@491 493 _) => [(e, Bool)]
adamc@282 494
adamc@282 495 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 496
adamc@282 497 fun p_ensql t e =
adamc@282 498 case t of
adamc@311 499 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 500 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 501 | String => e
adamc@295 502 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@682 503 | Time => box [string "uw_Basis_attrifyTime(ctx, ", e, string ")"]
adamc@678 504 | Channel => box [string "uw_Basis_attrifyChannel(ctx, ", e, string ")"]
adamc@682 505 | Client => box [string "uw_Basis_attrifyClient(ctx, ", e, string ")"]
adamc@467 506 | Nullable String => e
adamc@467 507 | Nullable t => box [string "(",
adamc@467 508 e,
adamc@467 509 string " == NULL ? NULL : ",
adamc@467 510 p_ensql t (box [string "*", e]),
adamc@467 511 string ")"]
adamc@282 512
adamc@324 513 fun notLeaky env allowHeapAllocated =
adamc@324 514 let
adamc@638 515 fun nl ok (t, _) =
adamc@324 516 case t of
adamc@324 517 TFun _ => false
adamc@324 518 | TRecord n =>
adamc@324 519 let
adamc@324 520 val xts = E.lookupStruct env n
adamc@324 521 in
adamc@638 522 List.all (fn (_, t) => nl ok t) xts
adamc@324 523 end
adamc@638 524 | TDatatype (dk, n, ref cons) =>
adamc@638 525 IS.member (ok, n)
adamc@638 526 orelse
adamc@638 527 ((allowHeapAllocated orelse dk = Enum)
adamc@638 528 andalso
adamc@638 529 let
adamc@638 530 val ok' = IS.add (ok, n)
adamc@638 531 in
adamc@638 532 List.all (fn (_, _, to) => case to of
adamc@638 533 NONE => true
adamc@638 534 | SOME t => nl ok' t) cons
adamc@638 535 end)
adamc@324 536 | TFfi ("Basis", "string") => false
adamc@324 537 | TFfi _ => true
adamc@638 538 | TOption t => allowHeapAllocated andalso nl ok t
adamc@324 539 in
adamc@638 540 nl IS.empty
adamc@324 541 end
adamc@324 542
adamc@463 543 fun capitalize s =
adamc@463 544 if s = "" then
adamc@463 545 ""
adamc@463 546 else
adamc@463 547 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 548
adamc@463 549 fun unurlify env (t, loc) =
adamc@463 550 let
adamc@463 551 fun unurlify' rf t =
adamc@463 552 case t of
adamc@463 553 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 554 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 555
adamc@463 556 | TRecord 0 => string "uw_unit_v"
adamc@463 557 | TRecord i =>
adamc@463 558 let
adamc@463 559 val xts = E.lookupStruct env i
adamc@463 560 in
adamc@463 561 box [string "({",
adamc@463 562 newline,
adamc@463 563 box (map (fn (x, t) =>
adamc@463 564 box [p_typ env t,
adamc@463 565 space,
adamc@463 566 string "uwr_",
adamc@463 567 string x,
adamc@463 568 space,
adamc@463 569 string "=",
adamc@463 570 space,
adamc@463 571 unurlify' rf (#1 t),
adamc@463 572 string ";",
adamc@463 573 newline]) xts),
adamc@463 574 string "struct",
adamc@463 575 space,
adamc@463 576 string "__uws_",
adamc@463 577 string (Int.toString i),
adamc@463 578 space,
adamc@463 579 string "tmp",
adamc@463 580 space,
adamc@463 581 string "=",
adamc@463 582 space,
adamc@463 583 string "{",
adamc@463 584 space,
adamc@463 585 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 586 string x]) xts,
adamc@463 587 space,
adamc@463 588 string "};",
adamc@463 589 newline,
adamc@463 590 string "tmp;",
adamc@463 591 newline,
adamc@463 592 string "})"]
adamc@463 593 end
adamc@463 594
adamc@463 595 | TDatatype (Enum, i, _) =>
adamc@463 596 let
adamc@463 597 val (x, xncs) = E.lookupDatatype env i
adamc@463 598
adamc@463 599 fun doEm xncs =
adamc@463 600 case xncs of
adamc@463 601 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 602 ^ x ^ "\"), (enum __uwe_"
adamc@463 603 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 604 | (x', n, to) :: rest =>
adamc@463 605 box [string "((!strncmp(request, \"",
adamc@463 606 string x',
adamc@463 607 string "\", ",
adamc@463 608 string (Int.toString (size x')),
adamc@463 609 string ") && (request[",
adamc@463 610 string (Int.toString (size x')),
adamc@463 611 string "] == 0 || request[",
adamc@463 612 string (Int.toString (size x')),
adamc@463 613 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 614 space,
adamc@463 615 string ":",
adamc@463 616 space,
adamc@463 617 doEm rest,
adamc@463 618 string ")"]
adamc@463 619 in
adamc@463 620 doEm xncs
adamc@463 621 end
adamc@463 622
adamc@463 623 | TDatatype (Option, i, xncs) =>
adamc@463 624 if IS.member (rf, i) then
adamc@463 625 box [string "unurlify_",
adamc@463 626 string (Int.toString i),
adamc@463 627 string "()"]
adamc@463 628 else
adamc@463 629 let
adamc@463 630 val (x, _) = E.lookupDatatype env i
adamc@463 631
adamc@463 632 val (no_arg, has_arg, t) =
adamc@463 633 case !xncs of
adamc@463 634 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 635 (no_arg, has_arg, t)
adamc@463 636 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 637 (no_arg, has_arg, t)
adamc@463 638 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 639
adamc@463 640 val rf = IS.add (rf, i)
adamc@463 641 in
adamc@463 642 box [string "({",
adamc@463 643 space,
adamc@463 644 p_typ env t,
adamc@463 645 space,
adamc@463 646 string "*unurlify_",
adamc@463 647 string (Int.toString i),
adamc@463 648 string "(void) {",
adamc@463 649 newline,
adamc@463 650 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 651 newline,
adamc@463 652 string "((!strncmp(request, \"",
adamc@463 653 string no_arg,
adamc@463 654 string "\", ",
adamc@463 655 string (Int.toString (size no_arg)),
adamc@463 656 string ") && (request[",
adamc@463 657 string (Int.toString (size no_arg)),
adamc@463 658 string "] == 0 || request[",
adamc@463 659 string (Int.toString (size no_arg)),
adamc@463 660 string "] == '/')) ? (request",
adamc@463 661 space,
adamc@463 662 string "+=",
adamc@463 663 space,
adamc@463 664 string (Int.toString (size no_arg)),
adamc@463 665 string ", NULL) : ((!strncmp(request, \"",
adamc@463 666 string has_arg,
adamc@463 667 string "\", ",
adamc@463 668 string (Int.toString (size has_arg)),
adamc@463 669 string ") && (request[",
adamc@463 670 string (Int.toString (size has_arg)),
adamc@463 671 string "] == 0 || request[",
adamc@463 672 string (Int.toString (size has_arg)),
adamc@463 673 string "] == '/')) ? (request",
adamc@463 674 space,
adamc@463 675 string "+=",
adamc@463 676 space,
adamc@463 677 string (Int.toString (size has_arg)),
adamc@463 678 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 679 newline,
adamc@463 680
adamc@463 681 if isUnboxable t then
adamc@463 682 unurlify' rf (#1 t)
adamc@463 683 else
adamc@463 684 box [string "({",
adamc@463 685 newline,
adamc@463 686 p_typ env t,
adamc@463 687 space,
adamc@463 688 string "*tmp",
adamc@463 689 space,
adamc@463 690 string "=",
adamc@463 691 space,
adamc@463 692 string "uw_malloc(ctx, sizeof(",
adamc@463 693 p_typ env t,
adamc@463 694 string "));",
adamc@463 695 newline,
adamc@463 696 string "*tmp",
adamc@463 697 space,
adamc@463 698 string "=",
adamc@463 699 space,
adamc@463 700 unurlify' rf (#1 t),
adamc@463 701 string ";",
adamc@463 702 newline,
adamc@463 703 string "tmp;",
adamc@463 704 newline,
adamc@463 705 string "})"],
adamc@463 706 string ")",
adamc@463 707 newline,
adamc@463 708 string ":",
adamc@463 709 space,
adamc@463 710 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 711 ^ "\"), NULL))));"),
adamc@463 712 newline],
adamc@463 713 string "}",
adamc@463 714 newline,
adamc@463 715 newline,
adamc@463 716
adamc@463 717 string "unurlify_",
adamc@463 718 string (Int.toString i),
adamc@463 719 string "();",
adamc@463 720 newline,
adamc@463 721 string "})"]
adamc@463 722 end
adamc@463 723
adamc@463 724 | TDatatype (Default, i, _) =>
adamc@463 725 if IS.member (rf, i) then
adamc@463 726 box [string "unurlify_",
adamc@463 727 string (Int.toString i),
adamc@463 728 string "()"]
adamc@463 729 else
adamc@463 730 let
adamc@463 731 val (x, xncs) = E.lookupDatatype env i
adamc@463 732
adamc@463 733 val rf = IS.add (rf, i)
adamc@463 734
adamc@463 735 fun doEm xncs =
adamc@463 736 case xncs of
adamc@463 737 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 738 ^ x ^ "\"), NULL)")
adamc@463 739 | (x', n, to) :: rest =>
adamc@463 740 box [string "((!strncmp(request, \"",
adamc@463 741 string x',
adamc@463 742 string "\", ",
adamc@463 743 string (Int.toString (size x')),
adamc@463 744 string ") && (request[",
adamc@463 745 string (Int.toString (size x')),
adamc@463 746 string "] == 0 || request[",
adamc@463 747 string (Int.toString (size x')),
adamc@463 748 string "] == '/')) ? ({",
adamc@463 749 newline,
adamc@463 750 string "struct",
adamc@463 751 space,
adamc@463 752 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 753 space,
adamc@463 754 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 755 string x,
adamc@463 756 string "_",
adamc@463 757 string (Int.toString i),
adamc@463 758 string "));",
adamc@463 759 newline,
adamc@463 760 string "tmp->tag",
adamc@463 761 space,
adamc@463 762 string "=",
adamc@463 763 space,
adamc@463 764 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 765 string ";",
adamc@463 766 newline,
adamc@463 767 string "request",
adamc@463 768 space,
adamc@463 769 string "+=",
adamc@463 770 space,
adamc@463 771 string (Int.toString (size x')),
adamc@463 772 string ";",
adamc@463 773 newline,
adamc@463 774 string "if (request[0] == '/') ++request;",
adamc@463 775 newline,
adamc@463 776 case to of
adamc@463 777 NONE => box []
adamc@463 778 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 779 p_ident x',
adamc@463 780 space,
adamc@463 781 string "=",
adamc@463 782 space,
adamc@463 783 unurlify' rf t,
adamc@463 784 string ";",
adamc@463 785 newline],
adamc@463 786 string "tmp;",
adamc@463 787 newline,
adamc@463 788 string "})",
adamc@463 789 space,
adamc@463 790 string ":",
adamc@463 791 space,
adamc@463 792 doEm rest,
adamc@463 793 string ")"]
adamc@463 794 in
adamc@463 795 box [string "({",
adamc@463 796 space,
adamc@463 797 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 798 space,
adamc@463 799 string "unurlify_",
adamc@463 800 string (Int.toString i),
adamc@463 801 string "(void) {",
adamc@463 802 newline,
adamc@463 803 box [string "return",
adamc@463 804 space,
adamc@463 805 doEm xncs,
adamc@463 806 string ";",
adamc@463 807 newline],
adamc@463 808 string "}",
adamc@463 809 newline,
adamc@463 810 newline,
adamc@463 811
adamc@463 812 string "unurlify_",
adamc@463 813 string (Int.toString i),
adamc@463 814 string "();",
adamc@463 815 newline,
adamc@463 816 string "})"]
adamc@463 817 end
adamc@463 818
adamc@471 819 | TOption t =>
adamc@471 820 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 821 string "((!strncmp(request, \"None\", 4) ",
adamc@471 822 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 823 string "? (request += 4, NULL) ",
adamc@471 824 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 825 string "&& request[4] == '/') ",
adamc@471 826 string "? (request += 5, ",
adamc@471 827 if isUnboxable t then
adamc@471 828 unurlify' rf (#1 t)
adamc@471 829 else
adamc@471 830 box [string "({",
adamc@471 831 newline,
adamc@471 832 p_typ env t,
adamc@471 833 space,
adamc@471 834 string "*tmp",
adamc@471 835 space,
adamc@471 836 string "=",
adamc@471 837 space,
adamc@471 838 string "uw_malloc(ctx, sizeof(",
adamc@471 839 p_typ env t,
adamc@471 840 string "));",
adamc@471 841 newline,
adamc@471 842 string "*tmp",
adamc@471 843 space,
adamc@471 844 string "=",
adamc@471 845 space,
adamc@471 846 unurlify' rf (#1 t),
adamc@471 847 string ";",
adamc@471 848 newline,
adamc@471 849 string "tmp;",
adamc@471 850 newline,
adamc@471 851 string "})"],
adamc@471 852 string ") :",
adamc@471 853 space,
adamc@471 854 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 855
adamc@463 856 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 857 space)
adamc@463 858 in
adamc@463 859 unurlify' IS.empty t
adamc@463 860 end
adamc@463 861
adamc@610 862 fun urlify env t =
adamc@610 863 let
adamc@610 864 fun urlify' rf level (t as (_, loc)) =
adamc@610 865 case #1 t of
adamc@610 866 TFfi ("Basis", "unit") => box []
adamc@610 867 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 868 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 869 newline]
adamc@610 870
adamc@610 871 | TRecord 0 => box []
adamc@610 872 | TRecord i =>
adamc@610 873 let
adamc@611 874 fun empty (t, _) =
adamc@611 875 case t of
adamc@611 876 TFfi ("Basis", "unit") => true
adamc@611 877 | TRecord 0 => true
adamc@611 878 | TRecord j =>
adamc@611 879 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 880 | _ => false
adamc@611 881
adamc@610 882 val xts = E.lookupStruct env i
adamc@611 883
adamc@613 884 val (blocks, _) = foldl
adamc@613 885 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 886 let
adamc@613 887 val thisEmpty = empty t
adamc@613 888 in
adamc@613 889 if thisEmpty then
adamc@613 890 (blocks, printingSinceLastSlash)
adamc@613 891 else
adamc@613 892 (box [string "{",
adamc@613 893 newline,
adamc@613 894 p_typ env t,
adamc@613 895 space,
adamc@613 896 string ("it" ^ Int.toString (level + 1)),
adamc@613 897 space,
adamc@613 898 string "=",
adamc@613 899 space,
adamc@613 900 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 901 newline,
adamc@613 902 box (if printingSinceLastSlash then
adamc@613 903 [string "uw_write(ctx, \"/\");",
adamc@613 904 newline]
adamc@613 905 else
adamc@613 906 []),
adamc@613 907 urlify' rf (level + 1) t,
adamc@613 908 string "}",
adamc@613 909 newline] :: blocks,
adamc@613 910 true)
adamc@613 911 end)
adamc@613 912 ([], false) xts
adamc@610 913 in
adamc@613 914 box (rev blocks)
adamc@610 915 end
adamc@610 916
adamc@638 917 | TDatatype (Enum, i, _) =>
adamc@638 918 let
adamc@610 919 val (x, xncs) = E.lookupDatatype env i
adamc@610 920
adamc@610 921 fun doEm xncs =
adamc@610 922 case xncs of
adamc@638 923 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 924 ^ x ^ "\");"),
adamc@638 925 newline]
adamc@610 926 | (x', n, to) :: rest =>
adamc@638 927 box [string ("if (it" ^ Int.toString level
adamc@638 928 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 929 newline,
adamc@638 930 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 931 newline],
adamc@638 932 string "} else {",
adamc@638 933 newline,
adamc@638 934 box [doEm rest,
adamc@638 935 newline],
adamc@638 936 string "}"]
adamc@610 937 in
adamc@610 938 doEm xncs
adamc@638 939 end
adamc@610 940
adamc@639 941 | TDatatype (Option, i, xncs) =>
adamc@639 942 if IS.member (rf, i) then
adamc@639 943 box [string "urlify_",
adamc@610 944 string (Int.toString i),
adamc@639 945 string "(it",
adamc@639 946 string (Int.toString level),
adamc@639 947 string ");",
adamc@639 948 newline]
adamc@610 949 else
adamc@610 950 let
adamc@610 951 val (x, _) = E.lookupDatatype env i
adamc@610 952
adamc@610 953 val (no_arg, has_arg, t) =
adamc@610 954 case !xncs of
adamc@610 955 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 956 (no_arg, has_arg, t)
adamc@610 957 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 958 (no_arg, has_arg, t)
adamc@639 959 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 960
adamc@610 961 val rf = IS.add (rf, i)
adamc@610 962 in
adamc@610 963 box [string "({",
adamc@610 964 space,
adamc@639 965 string "void",
adamc@639 966 space,
adamc@639 967 string "urlify_",
adamc@639 968 string (Int.toString i),
adamc@639 969 string "(",
adamc@610 970 p_typ env t,
adamc@610 971 space,
adamc@639 972 if isUnboxable t then
adamc@639 973 box []
adamc@639 974 else
adamc@639 975 string "*",
adamc@639 976 string "it0) {",
adamc@610 977 newline,
adamc@639 978 box [string "if (it0) {",
adamc@639 979 if isUnboxable t then
adamc@639 980 urlify' rf 0 t
adamc@610 981 else
adamc@639 982 box [p_typ env t,
adamc@610 983 space,
adamc@639 984 string "it1",
adamc@610 985 space,
adamc@610 986 string "=",
adamc@610 987 space,
adamc@639 988 string "*it0;",
adamc@610 989 newline,
adamc@639 990 string "uw_write(ctx, \"",
adamc@639 991 string has_arg,
adamc@639 992 string "/\");",
adamc@639 993 newline,
adamc@639 994 urlify' rf 1 t,
adamc@610 995 string ";",
adamc@639 996 newline],
adamc@639 997 string "} else {",
adamc@639 998 box [string "uw_write(ctx, \"",
adamc@639 999 string no_arg,
adamc@639 1000 string "\");",
adamc@639 1001 newline],
adamc@639 1002 string "}",
adamc@610 1003 newline],
adamc@610 1004 string "}",
adamc@610 1005 newline,
adamc@610 1006 newline,
adamc@610 1007
adamc@639 1008 string "urlify_",
adamc@610 1009 string (Int.toString i),
adamc@639 1010 string "(it",
adamc@639 1011 string (Int.toString level),
adamc@639 1012 string ");",
adamc@610 1013 newline,
adamc@639 1014 string "});",
adamc@639 1015 newline]
adamc@639 1016 end
adamc@610 1017
adamc@640 1018 | TDatatype (Default, i, _) =>
adamc@640 1019 if IS.member (rf, i) then
adamc@640 1020 box [string "urlify_",
adamc@610 1021 string (Int.toString i),
adamc@640 1022 string "(it",
adamc@640 1023 string (Int.toString level),
adamc@640 1024 string ");",
adamc@640 1025 newline]
adamc@610 1026 else
adamc@610 1027 let
adamc@610 1028 val (x, xncs) = E.lookupDatatype env i
adamc@610 1029
adamc@610 1030 val rf = IS.add (rf, i)
adamc@610 1031
adamc@610 1032 fun doEm xncs =
adamc@610 1033 case xncs of
adamc@640 1034 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1035 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1036 newline]
adamc@610 1037 | (x', n, to) :: rest =>
adamc@640 1038 box [string "if",
adamc@610 1039 space,
adamc@640 1040 string "(it0->tag==__uwc_",
adamc@640 1041 string (ident x'),
adamc@610 1042 string "_",
adamc@640 1043 string (Int.toString n),
adamc@640 1044 string ") {",
adamc@610 1045 newline,
adamc@610 1046 case to of
adamc@640 1047 NONE => box [string "uw_write(ctx, \"",
adamc@640 1048 string x',
adamc@640 1049 string "\");",
adamc@640 1050 newline]
adamc@640 1051 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1052 string x',
adamc@640 1053 string "/\");",
adamc@640 1054 newline,
adamc@640 1055 p_typ env t,
adamc@640 1056 space,
adamc@640 1057 string "it1",
adamc@640 1058 space,
adamc@640 1059 string "=",
adamc@640 1060 space,
adamc@640 1061 string "it0->data.uw_",
adamc@640 1062 string x',
adamc@640 1063 string ";",
adamc@640 1064 newline,
adamc@640 1065 urlify' rf 1 t,
adamc@640 1066 newline],
adamc@640 1067 string "} else {",
adamc@610 1068 newline,
adamc@640 1069 box [doEm rest,
adamc@640 1070 newline],
adamc@640 1071 string "}",
adamc@640 1072 newline]
adamc@610 1073 in
adamc@610 1074 box [string "({",
adamc@610 1075 space,
adamc@640 1076 string "void",
adamc@610 1077 space,
adamc@640 1078 string "urlify_",
adamc@610 1079 string (Int.toString i),
adamc@640 1080 string "(",
adamc@640 1081 p_typ env t,
adamc@640 1082 space,
adamc@640 1083 string "it0) {",
adamc@610 1084 newline,
adamc@640 1085 box [doEm xncs,
adamc@610 1086 newline],
adamc@640 1087 newline,
adamc@610 1088 string "}",
adamc@610 1089 newline,
adamc@640 1090
adamc@640 1091 string "urlify_",
adamc@640 1092 string (Int.toString i),
adamc@640 1093 string "(it",
adamc@640 1094 string (Int.toString level),
adamc@640 1095 string ");",
adamc@610 1096 newline,
adamc@640 1097 string "});",
adamc@640 1098 newline]
adamc@640 1099 end
adamc@610 1100
adamc@641 1101 | TOption t =>
adamc@641 1102 box [string "if (it",
adamc@641 1103 string (Int.toString level),
adamc@641 1104 string ") {",
adamc@641 1105 if isUnboxable t then
adamc@641 1106 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1107 newline,
adamc@641 1108 urlify' rf level t]
adamc@610 1109 else
adamc@641 1110 box [p_typ env t,
adamc@610 1111 space,
adamc@641 1112 string "it",
adamc@641 1113 string (Int.toString (level + 1)),
adamc@610 1114 space,
adamc@610 1115 string "=",
adamc@610 1116 space,
adamc@641 1117 string "*it",
adamc@641 1118 string (Int.toString level),
adamc@610 1119 string ";",
adamc@610 1120 newline,
adamc@641 1121 string "uw_write(ctx, \"Some/\");",
adamc@610 1122 newline,
adamc@641 1123 urlify' rf (level + 1) t,
adamc@641 1124 string ";",
adamc@641 1125 newline],
adamc@641 1126 string "} else {",
adamc@641 1127 box [string "uw_write(ctx, \"None\");",
adamc@641 1128 newline],
adamc@641 1129 string "}",
adamc@641 1130 newline]
adamc@610 1131
adamc@610 1132 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1133 space)
adamc@610 1134 in
adamc@610 1135 urlify' IS.empty 0 t
adamc@610 1136 end
adamc@610 1137
adamc@673 1138 val timeout = ref 0
adamc@673 1139
adamc@182 1140 fun p_exp' par env (e, loc) =
adamc@29 1141 case e of
adamc@276 1142 EPrim p => Prim.p_t_GCC p
adamc@29 1143 | ERel n => p_rel env n
adamc@109 1144 | ENamed n => p_enamed env n
adamc@188 1145 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1146 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1147 | ECon (Option, pc, SOME e) =>
adamc@198 1148 let
adamc@198 1149 val to = case pc of
adamc@198 1150 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1151 | PConFfi {arg, ...} => arg
adamc@198 1152
adamc@198 1153 val t = case to of
adamc@198 1154 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1155 | SOME t => t
adamc@198 1156 in
adamc@463 1157 if isUnboxable t then
adamc@463 1158 p_exp' par env e
adamc@463 1159 else
adamc@463 1160 box [string "({",
adamc@463 1161 newline,
adamc@463 1162 p_typ env t,
adamc@463 1163 space,
adamc@463 1164 string "*tmp",
adamc@463 1165 space,
adamc@463 1166 string "=",
adamc@463 1167 space,
adamc@463 1168 string "uw_malloc(ctx, sizeof(",
adamc@463 1169 p_typ env t,
adamc@463 1170 string "));",
adamc@463 1171 newline,
adamc@463 1172 string "*tmp",
adamc@463 1173 space,
adamc@463 1174 string "=",
adamc@463 1175 p_exp' par env e,
adamc@463 1176 string ";",
adamc@463 1177 newline,
adamc@463 1178 string "tmp;",
adamc@463 1179 newline,
adamc@463 1180 string "})"]
adamc@198 1181 end
adamc@188 1182 | ECon (Default, pc, eo) =>
adamc@181 1183 let
adamc@196 1184 val (xd, xc, xn) = patConInfo env pc
adamc@181 1185 in
adamc@182 1186 box [string "({",
adamc@181 1187 newline,
adamc@181 1188 string "struct",
adamc@181 1189 space,
adamc@185 1190 string xd,
adamc@181 1191 space,
adamc@181 1192 string "*tmp",
adamc@181 1193 space,
adamc@181 1194 string "=",
adamc@181 1195 space,
adamc@311 1196 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1197 string xd,
adamc@181 1198 string "));",
adamc@181 1199 newline,
adamc@181 1200 string "tmp->tag",
adamc@181 1201 space,
adamc@181 1202 string "=",
adamc@181 1203 space,
adamc@185 1204 string xc,
adamc@181 1205 string ";",
adamc@181 1206 newline,
adamc@181 1207 case eo of
adamc@181 1208 NONE => box []
adamc@185 1209 | SOME e => box [string "tmp->data.",
adamc@196 1210 string xn,
adamc@181 1211 space,
adamc@181 1212 string "=",
adamc@181 1213 space,
adamc@181 1214 p_exp env e,
adamc@181 1215 string ";",
adamc@181 1216 newline],
adamc@181 1217 string "tmp;",
adamc@181 1218 newline,
adamc@181 1219 string "})"]
adamc@181 1220 end
adamc@297 1221 | ENone _ => string "NULL"
adamc@290 1222 | ESome (t, e) =>
adamc@463 1223 if isUnboxable t then
adamc@463 1224 p_exp' par env e
adamc@463 1225 else
adamc@463 1226 box [string "({",
adamc@463 1227 newline,
adamc@463 1228 p_typ env t,
adamc@463 1229 space,
adamc@463 1230 string "*tmp",
adamc@463 1231 space,
adamc@463 1232 string "=",
adamc@463 1233 space,
adamc@463 1234 string "uw_malloc(ctx, sizeof(",
adamc@463 1235 p_typ env t,
adamc@463 1236 string "));",
adamc@463 1237 newline,
adamc@463 1238 string "*tmp",
adamc@463 1239 space,
adamc@463 1240 string "=",
adamc@463 1241 p_exp' par env e,
adamc@463 1242 string ";",
adamc@463 1243 newline,
adamc@463 1244 string "tmp;",
adamc@463 1245 newline,
adamc@463 1246 string "})"]
adamc@109 1247
adamc@316 1248 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1249 | EError (e, t) =>
adamc@283 1250 box [string "({",
adamc@283 1251 newline,
adamc@283 1252 p_typ env t,
adamc@283 1253 space,
adamc@283 1254 string "tmp;",
adamc@283 1255 newline,
adamc@311 1256 string "uw_error(ctx, FATAL, \"",
adamc@292 1257 string (ErrorMsg.spanToString loc),
adamc@292 1258 string ": %s\", ",
adamc@283 1259 p_exp env e,
adamc@283 1260 string ");",
adamc@283 1261 newline,
adamc@283 1262 string "tmp;",
adamc@283 1263 newline,
adamc@283 1264 string "})"]
adamc@476 1265 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1266 p_exp env (EError (e, ran), loc)
adamc@476 1267
adamc@311 1268 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1269 p_ident m,
adamc@53 1270 string "_",
adamc@316 1271 p_ident x,
adamc@117 1272 string "(ctx, ",
adamc@53 1273 p_list (p_exp env) es,
adamc@53 1274 string ")"]
adamc@316 1275 | EApp (f, args) =>
adamc@316 1276 parenIf par (box [p_exp' true env f,
adamc@316 1277 string "(ctx,",
adamc@316 1278 space,
adamc@316 1279 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1280 string ")"])
adamc@29 1281
adamc@387 1282 | EUnop (s, e1) =>
adamc@387 1283 parenIf par (box [string s,
adamc@387 1284 space,
adamc@387 1285 p_exp' true env e1])
adamc@387 1286
adamc@387 1287 | EBinop (s, e1, e2) =>
adamc@389 1288 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1289 box [string s,
adamc@390 1290 string "(",
adamc@389 1291 p_exp env e1,
adamc@389 1292 string ",",
adamc@389 1293 space,
adamc@389 1294 p_exp env e2,
adamc@389 1295 string ")"]
adamc@389 1296 else
adamc@389 1297 parenIf par (box [p_exp' true env e1,
adamc@389 1298 space,
adamc@389 1299 string s,
adamc@389 1300 space,
adamc@389 1301 p_exp' true env e2])
adamc@387 1302
adamc@29 1303 | ERecord (i, xes) => box [string "({",
adamc@29 1304 space,
adamc@29 1305 string "struct",
adamc@29 1306 space,
adamc@311 1307 string ("__uws_" ^ Int.toString i),
adamc@29 1308 space,
adamc@181 1309 string "tmp",
adamc@29 1310 space,
adamc@29 1311 string "=",
adamc@29 1312 space,
adamc@29 1313 string "{",
adamc@29 1314 p_list (fn (_, e) =>
adamc@29 1315 p_exp env e) xes,
adamc@29 1316 string "};",
adamc@29 1317 space,
adamc@181 1318 string "tmp;",
adamc@29 1319 space,
adamc@29 1320 string "})" ]
adamc@29 1321 | EField (e, x) =>
adamc@29 1322 box [p_exp' true env e,
adamc@311 1323 string ".__uwf_",
adamc@316 1324 p_ident x]
adamc@29 1325
adamc@182 1326 | ECase (e, pes, {disc, result}) =>
adamc@182 1327 let
adamc@182 1328 val final = newGoto ()
adamc@182 1329
adamc@182 1330 val body = foldl (fn ((p, e), body) =>
adamc@182 1331 let
adamc@182 1332 val exit = newGoto ()
adamc@182 1333 val (pr, _) = p_pat_preamble env p
adamc@182 1334 val (p, env) = p_pat (env,
adamc@182 1335 box [string "goto",
adamc@182 1336 space,
adamc@182 1337 exit,
adamc@182 1338 string ";"],
adamc@182 1339 0) p
adamc@182 1340 in
adamc@182 1341 box [body,
adamc@182 1342 box [string "{",
adamc@182 1343 newline,
adamc@182 1344 pr,
adamc@182 1345 newline,
adamc@182 1346 p,
adamc@182 1347 newline,
adamc@182 1348 string "result",
adamc@182 1349 space,
adamc@182 1350 string "=",
adamc@182 1351 space,
adamc@182 1352 p_exp env e,
adamc@182 1353 string ";",
adamc@182 1354 newline,
adamc@182 1355 string "goto",
adamc@182 1356 space,
adamc@182 1357 final,
adamc@182 1358 string ";",
adamc@182 1359 newline,
adamc@182 1360 string "}"],
adamc@182 1361 newline,
adamc@182 1362 exit,
adamc@182 1363 string ":",
adamc@182 1364 newline]
adamc@182 1365 end) (box []) pes
adamc@182 1366 in
adamc@182 1367 box [string "({",
adamc@182 1368 newline,
adamc@182 1369 p_typ env disc,
adamc@182 1370 space,
adamc@182 1371 string "disc0",
adamc@182 1372 space,
adamc@182 1373 string "=",
adamc@182 1374 space,
adamc@182 1375 p_exp env e,
adamc@182 1376 string ";",
adamc@182 1377 newline,
adamc@182 1378 p_typ env result,
adamc@182 1379 space,
adamc@182 1380 string "result;",
adamc@182 1381 newline,
adamc@182 1382 body,
adamc@311 1383 string "uw_error(ctx, FATAL, \"",
adamc@182 1384 string (ErrorMsg.spanToString loc),
adamc@182 1385 string ": pattern match failure\");",
adamc@182 1386 newline,
adamc@182 1387 final,
adamc@182 1388 string ":",
adamc@182 1389 space,
adamc@182 1390 string "result;",
adamc@182 1391 newline,
adamc@182 1392 string "})"]
adamc@182 1393 end
adamc@181 1394
adamc@311 1395 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1396 p_exp env e,
adamc@311 1397 string "), uw_unit_v)"]
adamc@102 1398
adamc@106 1399 | ESeq (e1, e2) => box [string "(",
adamc@106 1400 p_exp env e1,
adamc@106 1401 string ",",
adamc@106 1402 space,
adamc@106 1403 p_exp env e2,
adamc@106 1404 string ")"]
adamc@269 1405 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1406 newline,
adamc@269 1407 p_typ env t,
adamc@269 1408 space,
adamc@311 1409 string "__uwr_",
adamc@316 1410 p_ident x,
adamc@272 1411 string "_",
adamc@272 1412 string (Int.toString (E.countERels env)),
adamc@269 1413 space,
adamc@269 1414 string "=",
adamc@269 1415 space,
adamc@269 1416 p_exp env e1,
adamc@269 1417 string ";",
adamc@269 1418 newline,
adamc@269 1419 p_exp (E.pushERel env x t) e2,
adamc@269 1420 string ";",
adamc@269 1421 newline,
adamc@269 1422 string "})"]
adamc@269 1423
adamc@282 1424 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1425 let
adamc@316 1426 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1427 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1428 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1429 tables
adamc@638 1430
adamc@278 1431 val outputs = exps @ tables
adamc@325 1432 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1433
adamc@324 1434 val wontLeakStrings = notLeaky env true state
adamc@324 1435 val wontLeakAnything = notLeaky env false state
adamc@278 1436 in
adamc@640 1437 box [if wontLeakAnything then
adamc@331 1438 string "uw_begin_region(ctx), "
adamc@324 1439 else
adamc@324 1440 box [],
adamc@324 1441 string "({",
adamc@278 1442 newline,
adamc@311 1443 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1444 newline,
adamc@640 1445 p_typ env state,
adamc@640 1446 space,
adamc@640 1447 string "acc",
adamc@640 1448 space,
adamc@640 1449 string "=",
adamc@640 1450 space,
adamc@640 1451 p_exp env initial,
adamc@640 1452 string ";",
adamc@640 1453 newline,
adamc@640 1454 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1455 newline,
adamc@640 1456
adamc@282 1457 case prepared of
adamc@282 1458 NONE => box [string "char *query = ",
adamc@282 1459 p_exp env query,
adamc@282 1460 string ";",
adamc@282 1461 newline]
adamc@282 1462 | SOME _ =>
adamc@282 1463 let
adamc@282 1464 val ets = getPargs query
adamc@282 1465 in
adamc@282 1466 box [p_list_sepi newline
adamc@282 1467 (fn i => fn (e, t) =>
adamc@282 1468 box [p_sql_type t,
adamc@282 1469 space,
adamc@282 1470 string "arg",
adamc@282 1471 string (Int.toString (i + 1)),
adamc@282 1472 space,
adamc@282 1473 string "=",
adamc@282 1474 space,
adamc@282 1475 p_exp env e,
adamc@282 1476 string ";"])
adamc@282 1477 ets,
adamc@282 1478 newline,
adamc@282 1479 newline,
adamc@282 1480
adamc@282 1481 string "const char *paramValues[] = { ",
adamc@282 1482 p_list_sepi (box [string ",", space])
adamc@282 1483 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1484 string (Int.toString (i + 1))]))
adamc@282 1485 ets,
adamc@282 1486 string " };",
adamc@282 1487 newline,
adamc@282 1488 newline]
adamc@282 1489 end,
adamc@640 1490
adamc@282 1491 string "PGresult *res = ",
adamc@282 1492 case prepared of
adamc@295 1493 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1494 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1495 string (Int.toString n),
adamc@282 1496 string "\", ",
adamc@282 1497 string (Int.toString (length (getPargs query))),
adamc@295 1498 string ", paramValues, NULL, NULL, 0);"],
adamc@278 1499 newline,
adamc@278 1500 newline,
adamc@277 1501
adamc@311 1502 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1503 newline,
adamc@278 1504 newline,
adamc@277 1505
adamc@278 1506 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1507 newline,
adamc@278 1508 box [string "PQclear(res);",
adamc@278 1509 newline,
adamc@311 1510 string "uw_error(ctx, FATAL, \"",
adamc@278 1511 string (ErrorMsg.spanToString loc),
adamc@282 1512 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1513 case prepared of
adamc@282 1514 NONE => string "query"
adamc@282 1515 | SOME _ => p_exp env query,
adamc@282 1516 string ", PQerrorMessage(conn));",
adamc@278 1517 newline],
adamc@278 1518 string "}",
adamc@278 1519 newline,
adamc@278 1520 newline,
adamc@277 1521
adamc@323 1522 string "uw_end_region(ctx);",
adamc@323 1523 newline,
adamc@425 1524 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1525 newline,
adamc@278 1526 string "n = PQntuples(res);",
adamc@278 1527 newline,
adamc@278 1528 string "for (i = 0; i < n; ++i) {",
adamc@278 1529 newline,
adamc@278 1530 box [string "struct",
adamc@278 1531 space,
adamc@311 1532 string "__uws_",
adamc@278 1533 string (Int.toString rnum),
adamc@278 1534 space,
adamc@311 1535 string "__uwr_r_",
adamc@278 1536 string (Int.toString (E.countERels env)),
adamc@278 1537 string ";",
adamc@278 1538 newline,
adamc@278 1539 p_typ env state,
adamc@278 1540 space,
adamc@311 1541 string "__uwr_acc_",
adamc@278 1542 string (Int.toString (E.countERels env + 1)),
adamc@278 1543 space,
adamc@278 1544 string "=",
adamc@278 1545 space,
adamc@278 1546 string "acc;",
adamc@278 1547 newline,
adamc@278 1548 newline,
adamc@278 1549
adamc@278 1550 p_list_sepi (box []) (fn i =>
adamc@278 1551 fn (proj, t) =>
adamc@311 1552 box [string "__uwr_r_",
adamc@278 1553 string (Int.toString (E.countERels env)),
adamc@278 1554 string ".",
adamc@278 1555 string proj,
adamc@278 1556 space,
adamc@278 1557 string "=",
adamc@278 1558 space,
adamc@467 1559 p_getcol wontLeakStrings env t i,
adamc@278 1560 string ";",
adamc@278 1561 newline]) outputs,
adamc@278 1562
adamc@278 1563 newline,
adamc@278 1564 newline,
adamc@278 1565
adamc@278 1566 string "acc",
adamc@278 1567 space,
adamc@278 1568 string "=",
adamc@278 1569 space,
adamc@278 1570 p_exp (E.pushERel
adamc@278 1571 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1572 "acc" state)
adamc@278 1573 body,
adamc@278 1574 string ";",
adamc@278 1575 newline],
adamc@278 1576 string "}",
adamc@278 1577 newline,
adamc@278 1578 newline,
adamc@425 1579 string "uw_pop_cleanup(ctx);",
adamc@278 1580 newline,
adamc@324 1581 if wontLeakAnything then
adamc@324 1582 box [string "uw_end_region(ctx);",
adamc@324 1583 newline]
adamc@324 1584 else
adamc@324 1585 box [],
adamc@278 1586 string "acc;",
adamc@278 1587 newline,
adamc@640 1588 string "})"]
adamc@278 1589 end
adamc@106 1590
adamc@307 1591 | EDml {dml, prepared} =>
adamc@337 1592 box [string "(uw_begin_region(ctx), ({",
adamc@307 1593 newline,
adamc@311 1594 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1595 newline,
adamc@307 1596 case prepared of
adamc@307 1597 NONE => box [string "char *dml = ",
adamc@307 1598 p_exp env dml,
adamc@307 1599 string ";",
adamc@307 1600 newline]
adamc@307 1601 | SOME _ =>
adamc@307 1602 let
adamc@307 1603 val ets = getPargs dml
adamc@307 1604 in
adamc@307 1605 box [p_list_sepi newline
adamc@307 1606 (fn i => fn (e, t) =>
adamc@307 1607 box [p_sql_type t,
adamc@307 1608 space,
adamc@307 1609 string "arg",
adamc@307 1610 string (Int.toString (i + 1)),
adamc@307 1611 space,
adamc@307 1612 string "=",
adamc@307 1613 space,
adamc@307 1614 p_exp env e,
adamc@307 1615 string ";"])
adamc@307 1616 ets,
adamc@307 1617 newline,
adamc@307 1618 newline,
adamc@307 1619
adamc@307 1620 string "const char *paramValues[] = { ",
adamc@307 1621 p_list_sepi (box [string ",", space])
adamc@307 1622 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1623 string (Int.toString (i + 1))]))
adamc@307 1624 ets,
adamc@307 1625 string " };",
adamc@307 1626 newline,
adamc@307 1627 newline]
adamc@307 1628 end,
adamc@307 1629 newline,
adamc@307 1630 newline,
adamc@307 1631 string "PGresult *res = ",
adamc@307 1632 case prepared of
adamc@307 1633 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1634 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1635 string (Int.toString n),
adamc@307 1636 string "\", ",
adamc@307 1637 string (Int.toString (length (getPargs dml))),
adamc@307 1638 string ", paramValues, NULL, NULL, 0);"],
adamc@307 1639 newline,
adamc@307 1640 newline,
adamc@307 1641
adamc@311 1642 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1643 newline,
adamc@307 1644 newline,
adamc@307 1645
adamc@307 1646 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1647 newline,
adamc@688 1648 box [string "if (!strcmp(PQresultErrorField(res, PG_DIAG_SQLSTATE), \"40001\")) {",
adamc@688 1649 box [newline,
adamc@688 1650 string "PQclear(res);",
adamc@688 1651 newline,
adamc@688 1652 string "uw_error(ctx, UNLIMITED_RETRY, \"Serialization failure\");",
adamc@688 1653 newline],
adamc@688 1654 string "}",
adamc@688 1655 newline,
adamc@688 1656 string "PQclear(res);",
adamc@307 1657 newline,
adamc@311 1658 string "uw_error(ctx, FATAL, \"",
adamc@307 1659 string (ErrorMsg.spanToString loc),
adamc@307 1660 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1661 case prepared of
adamc@307 1662 NONE => string "dml"
adamc@307 1663 | SOME _ => p_exp env dml,
adamc@307 1664 string ", PQerrorMessage(conn));",
adamc@307 1665 newline],
adamc@307 1666 string "}",
adamc@307 1667 newline,
adamc@307 1668 newline,
adamc@307 1669
adamc@307 1670 string "PQclear(res);",
adamc@307 1671 newline,
adamc@337 1672 string "uw_end_region(ctx);",
adamc@337 1673 newline,
adamc@311 1674 string "uw_unit_v;",
adamc@307 1675 newline,
adamc@337 1676 string "}))"]
adamc@307 1677
adamc@338 1678 | ENextval {seq, prepared} =>
adamc@338 1679 let
adamc@486 1680 val query = case seq of
adamc@486 1681 (EPrim (Prim.String s), loc) =>
adamc@486 1682 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1683 | _ =>
adamc@486 1684 let
adamc@486 1685 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1686 in
adamc@486 1687 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1688 end
adamc@338 1689 in
adamc@338 1690 box [string "(uw_begin_region(ctx), ",
adamc@338 1691 string "({",
adamc@338 1692 newline,
adamc@338 1693 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1694 newline,
adamc@338 1695 case prepared of
adamc@338 1696 NONE => box [string "char *query = ",
adamc@338 1697 p_exp env query,
adamc@338 1698 string ";",
adamc@338 1699 newline]
adamc@338 1700 | SOME _ =>
adamc@338 1701 box [],
adamc@338 1702 newline,
adamc@338 1703 string "PGresult *res = ",
adamc@338 1704 case prepared of
adamc@338 1705 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1706 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1707 string (Int.toString n),
adamc@338 1708 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1709 newline,
adamc@338 1710 string "uw_Basis_int n;",
adamc@338 1711 newline,
adamc@338 1712 newline,
adamc@338 1713
adamc@338 1714 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1715 newline,
adamc@338 1716 newline,
adamc@338 1717
adamc@338 1718 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1719 newline,
adamc@338 1720 box [string "PQclear(res);",
adamc@338 1721 newline,
adamc@338 1722 string "uw_error(ctx, FATAL, \"",
adamc@338 1723 string (ErrorMsg.spanToString loc),
adamc@338 1724 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1725 case prepared of
adamc@338 1726 NONE => string "query"
adamc@338 1727 | SOME _ => p_exp env query,
adamc@338 1728 string ", PQerrorMessage(conn));",
adamc@338 1729 newline],
adamc@338 1730 string "}",
adamc@338 1731 newline,
adamc@338 1732 newline,
adamc@338 1733
adamc@338 1734 string "uw_end_region(ctx);",
adamc@338 1735 newline,
adamc@338 1736 string "n = PQntuples(res);",
adamc@338 1737 newline,
adamc@338 1738 string "if (n != 1) {",
adamc@338 1739 newline,
adamc@338 1740 box [string "PQclear(res);",
adamc@338 1741 newline,
adamc@338 1742 string "uw_error(ctx, FATAL, \"",
adamc@338 1743 string (ErrorMsg.spanToString loc),
adamc@338 1744 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1745 case prepared of
adamc@338 1746 NONE => string "query"
adamc@338 1747 | SOME _ => p_exp env query,
adamc@338 1748 string ", PQerrorMessage(conn));",
adamc@338 1749 newline],
adamc@338 1750 string "}",
adamc@338 1751 newline,
adamc@338 1752 newline,
adamc@338 1753
adamc@338 1754 string "n = ",
adamc@338 1755 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1756 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1757 string ";",
adamc@338 1758 newline,
adamc@338 1759 string "PQclear(res);",
adamc@338 1760 newline,
adamc@338 1761 string "n;",
adamc@338 1762 newline,
adamc@338 1763 string "}))"]
adamc@338 1764 end
adamc@338 1765
adamc@463 1766 | EUnurlify (e, t) =>
adamc@463 1767 let
adamc@463 1768 fun getIt () =
adamc@463 1769 if isUnboxable t then
adamc@463 1770 unurlify env t
adamc@463 1771 else
adamc@463 1772 box [string "({",
adamc@463 1773 newline,
adamc@463 1774 p_typ env t,
adamc@463 1775 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1776 p_typ env t,
adamc@463 1777 string "));",
adamc@463 1778 newline,
adamc@463 1779 string "*tmp = ",
adamc@463 1780 unurlify env t,
adamc@463 1781 string ";",
adamc@463 1782 newline,
adamc@463 1783 string "tmp;",
adamc@463 1784 newline,
adamc@463 1785 string "})"]
adamc@463 1786 in
adamc@463 1787 box [string "({",
adamc@463 1788 newline,
adamc@493 1789 string "uw_Basis_string request = uw_Basis_maybe_strdup(ctx, ",
adamc@463 1790 p_exp env e,
adamc@492 1791 string ");",
adamc@463 1792 newline,
adamc@463 1793 newline,
adamc@463 1794 string "(request ? ",
adamc@463 1795 getIt (),
adamc@463 1796 string " : NULL);",
adamc@463 1797 newline,
adamc@463 1798 string "})"]
adamc@463 1799 end
adamc@463 1800
adamc@29 1801 and p_exp env = p_exp' false env
adamc@29 1802
adamc@129 1803 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1804 let
adamc@129 1805 val nargs = length args
adamc@129 1806 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1807 in
adamc@129 1808 box [string "static",
adamc@129 1809 space,
adamc@129 1810 p_typ env ran,
adamc@129 1811 space,
adamc@316 1812 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1813 string "(",
adamc@129 1814 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1815 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1816 box [p_typ env dom,
adamc@129 1817 space,
adamc@129 1818 p_rel env' (nargs - i - 1)]) args),
adamc@129 1819 string ")",
adamc@129 1820 space,
adamc@129 1821 string "{",
adamc@129 1822 newline,
adamc@638 1823 box [string "return(",
adamc@638 1824 p_exp env' e,
adamc@638 1825 string ");"],
adamc@129 1826 newline,
adamc@129 1827 string "}"]
adamc@129 1828 end
adamc@129 1829
adamc@129 1830 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1831 case d of
adamc@29 1832 DStruct (n, xts) =>
adamc@196 1833 let
adamc@196 1834 val env = E.declBinds env dAll
adamc@196 1835 in
adamc@196 1836 box [string "struct",
adamc@196 1837 space,
adamc@311 1838 string ("__uws_" ^ Int.toString n),
adamc@196 1839 space,
adamc@196 1840 string "{",
adamc@196 1841 newline,
adamc@196 1842 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1843 space,
adamc@311 1844 string "__uwf_",
adamc@316 1845 p_ident x,
adamc@196 1846 string ";",
adamc@196 1847 newline]) xts,
adamc@196 1848 string "};"]
adamc@196 1849 end
adamc@188 1850 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1851 box [string "enum",
adamc@188 1852 space,
adamc@316 1853 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1854 space,
adamc@188 1855 string "{",
adamc@188 1856 space,
adamc@316 1857 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1858 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1859 space,
adamc@188 1860 string "};"]
adamc@198 1861 | DDatatype (Option, _, _, _) => box []
adamc@188 1862 | DDatatype (Default, x, n, xncs) =>
adamc@165 1863 let
adamc@165 1864 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1865 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1866 in
adamc@165 1867 box [string "enum",
adamc@165 1868 space,
adamc@316 1869 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1870 space,
adamc@165 1871 string "{",
adamc@165 1872 space,
adamc@316 1873 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1874 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1875 space,
adamc@165 1876 string "};",
adamc@165 1877 newline,
adamc@165 1878 newline,
adamc@165 1879 string "struct",
adamc@165 1880 space,
adamc@316 1881 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1882 space,
adamc@165 1883 string "{",
adamc@165 1884 newline,
adamc@165 1885 string "enum",
adamc@165 1886 space,
adamc@316 1887 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1888 space,
adamc@165 1889 string "tag;",
adamc@165 1890 newline,
adamc@165 1891 box (case xncsArgs of
adamc@165 1892 [] => []
adamc@165 1893 | _ => [string "union",
adamc@165 1894 space,
adamc@165 1895 string "{",
adamc@165 1896 newline,
adamc@165 1897 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1898 space,
adamc@316 1899 string ("uw_" ^ ident x),
adamc@165 1900 string ";"]) xncsArgs,
adamc@165 1901 newline,
adamc@165 1902 string "}",
adamc@165 1903 space,
adamc@165 1904 string "data;",
adamc@165 1905 newline]),
adamc@165 1906 string "};"]
adamc@188 1907 end
adamc@29 1908
adamc@196 1909 | DDatatypeForward _ => box []
adamc@196 1910
adamc@29 1911 | DVal (x, n, t, e) =>
adamc@29 1912 box [p_typ env t,
adamc@29 1913 space,
adamc@316 1914 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1915 space,
adamc@29 1916 string "=",
adamc@29 1917 space,
adamc@29 1918 p_exp env e,
adamc@29 1919 string ";"]
adamc@129 1920 | DFun vi => p_fun env vi
adamc@129 1921 | DFunRec vis =>
adamc@29 1922 let
adamc@129 1923 val env = E.declBinds env dAll
adamc@29 1924 in
adamc@129 1925 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1926 box [string "static",
adamc@129 1927 space,
adamc@129 1928 p_typ env ran,
adamc@129 1929 space,
adamc@316 1930 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1931 string "(uw_context,",
adamc@129 1932 space,
adamc@129 1933 p_list_sep (box [string ",", space])
adamc@129 1934 (fn (_, dom) => p_typ env dom) args,
adamc@129 1935 string ");"]) vis,
adamc@29 1936 newline,
adamc@129 1937 p_list_sep newline (p_fun env) vis,
adamc@129 1938 newline]
adamc@29 1939 end
adamc@273 1940 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1941 string x,
adamc@273 1942 string " */",
adamc@273 1943 newline]
adamc@338 1944 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1945 string x,
adamc@338 1946 string " */",
adamc@338 1947 newline]
adamc@687 1948 | DDatabase {name, expunge, initialize} =>
adamc@687 1949 box [string "static void uw_db_validate(uw_context);",
adamc@687 1950 newline,
adamc@687 1951 string "static void uw_db_prepare(uw_context);",
adamc@687 1952 newline,
adamc@687 1953 newline,
adamc@687 1954 string "void uw_db_init(uw_context ctx) {",
adamc@687 1955 newline,
adamc@687 1956 string "PGconn *conn = PQconnectdb(\"",
adamc@687 1957 string (String.toString name),
adamc@687 1958 string "\");",
adamc@687 1959 newline,
adamc@687 1960 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 1961 string "\"libpq can't allocate a connection.\");",
adamc@687 1962 newline,
adamc@687 1963 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@687 1964 newline,
adamc@687 1965 box [string "char msg[1024];",
adamc@687 1966 newline,
adamc@687 1967 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@687 1968 newline,
adamc@687 1969 string "msg[1023] = 0;",
adamc@687 1970 newline,
adamc@687 1971 string "PQfinish(conn);",
adamc@687 1972 newline,
adamc@687 1973 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 1974 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@687 1975 newline,
adamc@687 1976 string "}",
adamc@687 1977 newline,
adamc@687 1978 string "uw_set_db(ctx, conn);",
adamc@687 1979 newline,
adamc@687 1980 string "uw_db_validate(ctx);",
adamc@687 1981 newline,
adamc@687 1982 string "uw_db_prepare(ctx);",
adamc@687 1983 newline,
adamc@687 1984 string "}",
adamc@687 1985 newline,
adamc@687 1986 newline,
adamc@687 1987 string "void uw_db_close(uw_context ctx) {",
adamc@687 1988 newline,
adamc@687 1989 string "PQfinish(uw_get_db(ctx));",
adamc@687 1990 newline,
adamc@687 1991 string "}",
adamc@687 1992 newline,
adamc@687 1993 newline,
adamc@424 1994
adamc@687 1995 string "int uw_db_begin(uw_context ctx) {",
adamc@687 1996 newline,
adamc@687 1997 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 1998 newline,
adamc@687 1999 string "PGresult *res = PQexec(conn, \"BEGIN ISOLATION LEVEL SERIALIZABLE\");",
adamc@687 2000 newline,
adamc@687 2001 newline,
adamc@687 2002 string "if (res == NULL) return 1;",
adamc@687 2003 newline,
adamc@687 2004 newline,
adamc@687 2005 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2006 box [string "PQclear(res);",
adamc@687 2007 newline,
adamc@687 2008 string "return 1;",
adamc@687 2009 newline],
adamc@687 2010 string "}",
adamc@687 2011 newline,
adamc@687 2012 string "return 0;",
adamc@687 2013 newline,
adamc@687 2014 string "}",
adamc@687 2015 newline,
adamc@687 2016 newline,
adamc@424 2017
adamc@687 2018 string "int uw_db_commit(uw_context ctx) {",
adamc@687 2019 newline,
adamc@687 2020 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2021 newline,
adamc@687 2022 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@687 2023 newline,
adamc@687 2024 newline,
adamc@687 2025 string "if (res == NULL) return 1;",
adamc@687 2026 newline,
adamc@687 2027 newline,
adamc@687 2028 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2029 box [string "PQclear(res);",
adamc@687 2030 newline,
adamc@687 2031 string "return 1;",
adamc@687 2032 newline],
adamc@687 2033 string "}",
adamc@687 2034 newline,
adamc@687 2035 string "return 0;",
adamc@687 2036 newline,
adamc@687 2037 string "}",
adamc@687 2038 newline,
adamc@687 2039 newline,
adamc@424 2040
adamc@687 2041 string "int uw_db_rollback(uw_context ctx) {",
adamc@687 2042 newline,
adamc@687 2043 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2044 newline,
adamc@687 2045 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@687 2046 newline,
adamc@687 2047 newline,
adamc@687 2048 string "if (res == NULL) return 1;",
adamc@687 2049 newline,
adamc@687 2050 newline,
adamc@687 2051 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2052 box [string "PQclear(res);",
adamc@687 2053 newline,
adamc@687 2054 string "return 1;",
adamc@687 2055 newline],
adamc@687 2056 string "}",
adamc@687 2057 newline,
adamc@687 2058 string "return 0;",
adamc@687 2059 newline,
adamc@687 2060 string "}",
adamc@687 2061 newline,
adamc@687 2062 newline,
adamc@683 2063
adamc@687 2064 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) {",
adamc@687 2065 newline,
adamc@687 2066 box [p_enamed env expunge,
adamc@687 2067 string "(ctx, cli);",
adamc@687 2068 newline],
adamc@687 2069 string "}",
adamc@687 2070 newline,
adamc@687 2071 newline,
adamc@687 2072
adamc@687 2073 string "void uw_initializer(uw_context ctx) {",
adamc@687 2074 newline,
adamc@687 2075 box [p_enamed env initialize,
adamc@687 2076 string "(ctx, uw_unit_v);",
adamc@687 2077 newline],
adamc@687 2078 string "}",
adamc@687 2079 newline]
adamc@29 2080
adamc@467 2081 | DPreparedStatements [] =>
adamc@467 2082 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2083 newline,
adamc@467 2084 string "}"]
adamc@282 2085 | DPreparedStatements ss =>
adamc@311 2086 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2087 newline,
adamc@311 2088 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2089 newline,
adamc@282 2090 string "PGresult *res;",
adamc@282 2091 newline,
adamc@282 2092 newline,
adamc@282 2093
adamc@282 2094 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2095 box [string "res = PQprepare(conn, \"uw",
adamc@282 2096 string (Int.toString i),
adamc@282 2097 string "\", \"",
adamc@282 2098 string (String.toString s),
adamc@282 2099 string "\", ",
adamc@282 2100 string (Int.toString n),
adamc@282 2101 string ", NULL);",
adamc@282 2102 newline,
adamc@282 2103 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2104 newline,
adamc@282 2105 box [string "char msg[1024];",
adamc@282 2106 newline,
adamc@282 2107 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2108 newline,
adamc@282 2109 string "msg[1023] = 0;",
adamc@282 2110 newline,
adamc@282 2111 string "PQclear(res);",
adamc@282 2112 newline,
adamc@282 2113 string "PQfinish(conn);",
adamc@282 2114 newline,
adamc@311 2115 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2116 string (String.toString s),
adamc@282 2117 string "\\n%s\", msg);",
adamc@282 2118 newline],
adamc@282 2119 string "}",
adamc@282 2120 newline,
adamc@282 2121 string "PQclear(res);",
adamc@282 2122 newline])
adamc@282 2123 ss,
adamc@282 2124
adamc@282 2125 string "}"]
adamc@282 2126
adamc@569 2127 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2128 string (String.toString s),
adamc@569 2129 string "\";"]
adamc@569 2130
adamc@144 2131 datatype 'a search =
adamc@144 2132 Found of 'a
adamc@144 2133 | NotFound
adamc@144 2134 | Error
adamc@120 2135
adamc@467 2136 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2137 case t of
adamc@275 2138 TFfi ("Basis", "int") => "int8"
adamc@275 2139 | TFfi ("Basis", "float") => "float8"
adamc@275 2140 | TFfi ("Basis", "string") => "text"
adamc@275 2141 | TFfi ("Basis", "bool") => "bool"
adamc@438 2142 | TFfi ("Basis", "time") => "timestamp"
adamc@682 2143 | TFfi ("Basis", "channel") => "int8"
adamc@682 2144 | TFfi ("Basis", "client") => "int4"
adamc@275 2145 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2146 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2147 "ERROR")
adamc@275 2148
adamc@467 2149 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2150 case t of
adamc@467 2151 (TOption t, _) => p_sqltype'' env t
adamc@467 2152 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2153
adamc@275 2154 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2155
adamc@467 2156 fun p_sqltype_base' env t =
adamc@467 2157 case t of
adamc@467 2158 (TOption t, _) => p_sqltype'' env t
adamc@467 2159 | _ => p_sqltype'' env t
adamc@467 2160
adamc@467 2161 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2162
adamc@467 2163 fun is_not_null t =
adamc@467 2164 case t of
adamc@467 2165 (TOption _, _) => false
adamc@467 2166 | _ => true
adamc@467 2167
adamc@101 2168 fun p_file env (ds, ps) =
adamc@29 2169 let
adamc@101 2170 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2171 (p_decl env d,
adamc@638 2172 E.declBinds env d))
adamc@101 2173 env ds
adamc@144 2174
adamc@643 2175 val fields = foldl (fn ((ek, _, _, ts, _, _), fields) =>
adamc@144 2176 case ek of
adamc@144 2177 Core.Link => fields
adamc@608 2178 | Core.Rpc => fields
adamc@144 2179 | Core.Action =>
adamc@280 2180 case List.nth (ts, length ts - 2) of
adamc@144 2181 (TRecord i, _) =>
adamc@144 2182 let
adamc@144 2183 val xts = E.lookupStruct env i
adamc@144 2184 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 2185 in
adamc@144 2186 foldl (fn ((x, _), fields) =>
adamc@144 2187 let
adamc@144 2188 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 2189 in
adamc@144 2190 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 2191 xtsSet'))
adamc@144 2192 end) fields xts
adamc@144 2193 end
adamc@144 2194 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 2195 SM.empty ps
adamc@144 2196
adamc@144 2197 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2198 let
adamc@144 2199 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2200 case SM.find (fnums, x') of
adamc@144 2201 NONE => unusable
adamc@144 2202 | SOME n => IS.add (unusable, n))
adamc@144 2203 IS.empty xs
adamc@144 2204
adamc@144 2205 fun findAvailable n =
adamc@144 2206 if IS.member (unusable, n) then
adamc@144 2207 findAvailable (n + 1)
adamc@144 2208 else
adamc@144 2209 n
adamc@144 2210 in
adamc@144 2211 SM.insert (fnums, x, findAvailable 0)
adamc@144 2212 end)
adamc@144 2213 SM.empty fields
adamc@144 2214
adamc@144 2215 fun makeSwitch (fnums, i) =
adamc@144 2216 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2217 | (n, Error) => Error
adamc@144 2218 | (n, Found n') => if n = n' then
adamc@144 2219 Found n'
adamc@144 2220 else
adamc@144 2221 Error) NotFound fnums of
adamc@144 2222 NotFound => box [string "return",
adamc@144 2223 space,
adamc@144 2224 string "-1;"]
adamc@144 2225 | Found n => box [string "return",
adamc@144 2226 space,
adamc@144 2227 string (Int.toString n),
adamc@144 2228 string ";"]
adamc@144 2229 | Error =>
adamc@144 2230 let
adamc@144 2231 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2232 let
adamc@144 2233 val ch = if i < size x then
adamc@144 2234 String.sub (x, i)
adamc@144 2235 else
adamc@144 2236 chr 0
adamc@144 2237
adamc@144 2238 val fnums = case CM.find (cmap, ch) of
adamc@144 2239 NONE => SM.empty
adamc@144 2240 | SOME fnums => fnums
adamc@144 2241 val fnums = SM.insert (fnums, x, n)
adamc@144 2242 in
adamc@144 2243 CM.insert (cmap, ch, fnums)
adamc@144 2244 end)
adamc@144 2245 CM.empty fnums
adamc@144 2246
adamc@144 2247 val cmap = CM.listItemsi cmap
adamc@144 2248 in
adamc@144 2249 case cmap of
adamc@144 2250 [(_, fnums)] =>
adamc@144 2251 box [string "if",
adamc@144 2252 space,
adamc@144 2253 string "(name[",
adamc@144 2254 string (Int.toString i),
adamc@144 2255 string "]",
adamc@144 2256 space,
adamc@144 2257 string "==",
adamc@144 2258 space,
adamc@144 2259 string "0)",
adamc@144 2260 space,
adamc@144 2261 string "return",
adamc@144 2262 space,
adamc@144 2263 string "-1;",
adamc@144 2264 newline,
adamc@144 2265 makeSwitch (fnums, i+1)]
adamc@144 2266 | _ =>
adamc@144 2267 box [string "switch",
adamc@144 2268 space,
adamc@144 2269 string "(name[",
adamc@144 2270 string (Int.toString i),
adamc@144 2271 string "])",
adamc@144 2272 space,
adamc@144 2273 string "{",
adamc@144 2274 newline,
adamc@144 2275 box (map (fn (ch, fnums) =>
adamc@144 2276 box [string "case",
adamc@144 2277 space,
adamc@144 2278 if ch = chr 0 then
adamc@144 2279 string "0:"
adamc@144 2280 else
adamc@144 2281 box [string "'",
adamc@144 2282 string (Char.toString ch),
adamc@144 2283 string "':"],
adamc@144 2284 newline,
adamc@144 2285 makeSwitch (fnums, i+1),
adamc@144 2286 newline]) cmap),
adamc@144 2287 string "default:",
adamc@144 2288 newline,
adamc@144 2289 string "return",
adamc@144 2290 space,
adamc@144 2291 string "-1;",
adamc@144 2292 newline,
adamc@144 2293 string "}"]
adamc@144 2294 end
adamc@144 2295
adamc@643 2296 fun p_page (ek, s, n, ts, ran, side) =
adamc@144 2297 let
adamc@144 2298 val (ts, defInputs, inputsVar) =
adamc@144 2299 case ek of
adamc@314 2300 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@608 2301 | Core.Rpc => (List.take (ts, length ts - 1), string "", string "")
adamc@144 2302 | Core.Action =>
adamc@280 2303 case List.nth (ts, length ts - 2) of
adamc@144 2304 (TRecord i, _) =>
adamc@144 2305 let
adamc@144 2306 val xts = E.lookupStruct env i
adamc@144 2307 in
adamc@280 2308 (List.take (ts, length ts - 2),
adamc@144 2309 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2310 space,
adamc@311 2311 string "uw_input_",
adamc@316 2312 p_ident x,
adamc@144 2313 string ";",
adamc@144 2314 newline]) xts),
adamc@144 2315 newline,
adamc@144 2316 box (map (fn (x, t) =>
adamc@144 2317 let
adamc@144 2318 val n = case SM.find (fnums, x) of
adamc@144 2319 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 2320 | SOME n => n
adamc@190 2321
adamc@190 2322 val f = case t of
adamc@190 2323 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 2324 | _ => ""
adamc@144 2325 in
adamc@311 2326 box [string "request = uw_get_",
adamc@190 2327 string f,
adamc@190 2328 string "input(ctx, ",
adamc@144 2329 string (Int.toString n),
adamc@144 2330 string ");",
adamc@144 2331 newline,
adamc@433 2332 string "if (request == NULL)",
adamc@144 2333 newline,
adamc@433 2334 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@144 2335 string x,
adamc@433 2336 string "\");"],
adamc@144 2337 newline,
adamc@311 2338 string "uw_input_",
adamc@316 2339 p_ident x,
adamc@144 2340 space,
adamc@144 2341 string "=",
adamc@144 2342 space,
adamc@463 2343 unurlify env t,
adamc@144 2344 string ";",
adamc@144 2345 newline]
adamc@144 2346 end) xts),
adamc@311 2347 string "struct __uws_",
adamc@144 2348 string (Int.toString i),
adamc@144 2349 space,
adamc@311 2350 string "uw_inputs",
adamc@144 2351 space,
adamc@144 2352 string "= {",
adamc@144 2353 newline,
adamc@311 2354 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2355 p_ident x,
adamc@144 2356 string ",",
adamc@144 2357 newline]) xts),
adamc@144 2358 string "};",
adamc@144 2359 newline],
adamc@144 2360 box [string ",",
adamc@144 2361 space,
adamc@311 2362 string "uw_inputs"])
adamc@144 2363 end
adamc@144 2364
adamc@144 2365 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 2366 in
adamc@144 2367 box [string "if (!strncmp(request, \"",
adamc@144 2368 string (String.toString s),
adamc@144 2369 string "\", ",
adamc@144 2370 string (Int.toString (size s)),
adamc@198 2371 string ") && (request[",
adamc@198 2372 string (Int.toString (size s)),
adamc@198 2373 string "] == 0 || request[",
adamc@198 2374 string (Int.toString (size s)),
adamc@198 2375 string "] == '/')) {",
adamc@144 2376 newline,
adamc@144 2377 string "request += ",
adamc@144 2378 string (Int.toString (size s)),
adamc@144 2379 string ";",
adamc@144 2380 newline,
adamc@144 2381 string "if (*request == '/') ++request;",
adamc@144 2382 newline,
adamc@609 2383 box (case ek of
adamc@610 2384 Core.Rpc => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@610 2385 newline]
adamc@609 2386 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2387 newline,
adamc@609 2388 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2389 newline,
adamc@609 2390 string "uw_write(ctx, \"<html>\");",
adamc@643 2391 newline,
adamc@643 2392 string "uw_set_script_header(ctx, \"",
adamc@643 2393 string (case side of
adamc@645 2394 ServerAndClient => "<script src=\\\""
adamc@645 2395 ^ OS.Path.joinDirFile {dir = !Monoize.urlPrefix,
adamc@645 2396 file = "app.js"}
adamc@645 2397 ^ "\\\"></script>\\n"
adamc@643 2398 | ServerOnly => ""),
adamc@643 2399 string "\");",
adamc@667 2400 string "uw_set_url_prefix(ctx, \"",
adamc@667 2401 string (!Monoize.urlPrefix),
adamc@667 2402 string "\");",
adamc@609 2403 newline]),
adamc@682 2404 string "uw_login(ctx);",
adamc@682 2405 newline,
adamc@144 2406 box [string "{",
adamc@144 2407 newline,
adamc@144 2408 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2409 space,
adamc@144 2410 string "arg",
adamc@144 2411 string (Int.toString i),
adamc@144 2412 space,
adamc@144 2413 string "=",
adamc@144 2414 space,
adamc@463 2415 unurlify env t,
adamc@144 2416 string ";",
adamc@144 2417 newline]) ts),
adamc@144 2418 defInputs,
adamc@609 2419 box (case ek of
adamc@609 2420 Core.Rpc => [p_typ env ran,
adamc@609 2421 space,
adamc@610 2422 string "it0",
adamc@609 2423 space,
adamc@609 2424 string "=",
adamc@609 2425 space]
adamc@609 2426 | _ => []),
adamc@144 2427 p_enamed env n,
adamc@144 2428 string "(",
adamc@144 2429 p_list_sep (box [string ",", space])
adamc@144 2430 (fn x => x)
adamc@272 2431 (string "ctx"
adamc@280 2432 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2433 inputsVar,
adamc@311 2434 string ", uw_unit_v);",
adamc@144 2435 newline,
adamc@609 2436 box (case ek of
adamc@610 2437 Core.Rpc => [urlify env ran]
adamc@609 2438 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2439 newline]),
adamc@144 2440 string "return;",
adamc@144 2441 newline,
adamc@144 2442 string "}",
adamc@144 2443 newline,
adamc@144 2444 string "}"]
adamc@144 2445 ]
adamc@144 2446 end
adamc@144 2447
adamc@144 2448 val pds' = map p_page ps
adamc@275 2449
adamc@275 2450 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 2451 | _ => NONE) ds
adamc@377 2452 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2453 | _ => NONE) ds
adamc@275 2454
adamc@275 2455 val validate =
adamc@311 2456 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2457 newline,
adamc@311 2458 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2459 newline,
adamc@275 2460 string "PGresult *res;",
adamc@275 2461 newline,
adamc@275 2462 newline,
adamc@275 2463 p_list_sep newline
adamc@275 2464 (fn (s, xts) =>
adamc@275 2465 let
adamc@377 2466 val sl = CharVector.map Char.toLower s
adamc@377 2467
adamc@275 2468 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2469 ^ sl ^ "'"
adamc@275 2470
adamc@275 2471 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2472 sl,
adamc@275 2473 "') AND (",
adamc@275 2474 String.concatWith " OR "
adamc@275 2475 (map (fn (x, t) =>
adamc@311 2476 String.concat ["(attname = 'uw_",
adamc@275 2477 CharVector.map
adamc@316 2478 Char.toLower (ident x),
adamc@275 2479 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2480 " WHERE typname = '",
adamc@467 2481 p_sqltype_base' env t,
adamc@467 2482 "') AND attnotnull = ",
adamc@467 2483 if is_not_null t then
adamc@467 2484 "TRUE"
adamc@467 2485 else
adamc@467 2486 "FALSE",
adamc@467 2487 ")"]) xts),
adamc@275 2488 ")"]
adamc@275 2489
adamc@275 2490 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2491 sl,
adamc@325 2492 "') AND attname LIKE 'uw_%'"]
adamc@275 2493 in
adamc@275 2494 box [string "res = PQexec(conn, \"",
adamc@275 2495 string q,
adamc@275 2496 string "\");",
adamc@275 2497 newline,
adamc@275 2498 newline,
adamc@275 2499 string "if (res == NULL) {",
adamc@275 2500 newline,
adamc@275 2501 box [string "PQfinish(conn);",
adamc@275 2502 newline,
adamc@311 2503 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2504 newline],
adamc@275 2505 string "}",
adamc@275 2506 newline,
adamc@275 2507 newline,
adamc@275 2508 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2509 newline,
adamc@275 2510 box [string "char msg[1024];",
adamc@275 2511 newline,
adamc@275 2512 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2513 newline,
adamc@275 2514 string "msg[1023] = 0;",
adamc@275 2515 newline,
adamc@275 2516 string "PQclear(res);",
adamc@275 2517 newline,
adamc@275 2518 string "PQfinish(conn);",
adamc@275 2519 newline,
adamc@311 2520 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2521 string q,
adamc@275 2522 string "\\n%s\", msg);",
adamc@275 2523 newline],
adamc@275 2524 string "}",
adamc@275 2525 newline,
adamc@275 2526 newline,
adamc@275 2527 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2528 newline,
adamc@275 2529 box [string "PQclear(res);",
adamc@275 2530 newline,
adamc@275 2531 string "PQfinish(conn);",
adamc@275 2532 newline,
adamc@311 2533 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2534 string s,
adamc@275 2535 string "' does not exist.\");",
adamc@275 2536 newline],
adamc@275 2537 string "}",
adamc@275 2538 newline,
adamc@275 2539 newline,
adamc@275 2540 string "PQclear(res);",
adamc@275 2541 newline,
adamc@275 2542
adamc@275 2543 string "res = PQexec(conn, \"",
adamc@275 2544 string q',
adamc@275 2545 string "\");",
adamc@275 2546 newline,
adamc@275 2547 newline,
adamc@275 2548 string "if (res == NULL) {",
adamc@275 2549 newline,
adamc@275 2550 box [string "PQfinish(conn);",
adamc@275 2551 newline,
adamc@311 2552 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2553 newline],
adamc@275 2554 string "}",
adamc@275 2555 newline,
adamc@275 2556 newline,
adamc@275 2557 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2558 newline,
adamc@275 2559 box [string "char msg[1024];",
adamc@275 2560 newline,
adamc@275 2561 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2562 newline,
adamc@275 2563 string "msg[1023] = 0;",
adamc@275 2564 newline,
adamc@275 2565 string "PQclear(res);",
adamc@275 2566 newline,
adamc@275 2567 string "PQfinish(conn);",
adamc@275 2568 newline,
adamc@311 2569 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2570 string q',
adamc@275 2571 string "\\n%s\", msg);",
adamc@275 2572 newline],
adamc@275 2573 string "}",
adamc@275 2574 newline,
adamc@275 2575 newline,
adamc@275 2576 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2577 string (Int.toString (length xts)),
adamc@275 2578 string "\")) {",
adamc@275 2579 newline,
adamc@275 2580 box [string "PQclear(res);",
adamc@275 2581 newline,
adamc@275 2582 string "PQfinish(conn);",
adamc@275 2583 newline,
adamc@311 2584 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2585 string s,
adamc@275 2586 string "' has the wrong column types.\");",
adamc@275 2587 newline],
adamc@275 2588 string "}",
adamc@275 2589 newline,
adamc@275 2590 newline,
adamc@275 2591 string "PQclear(res);",
adamc@275 2592 newline,
adamc@275 2593 newline,
adamc@275 2594
adamc@275 2595 string "res = PQexec(conn, \"",
adamc@275 2596 string q'',
adamc@275 2597 string "\");",
adamc@275 2598 newline,
adamc@275 2599 newline,
adamc@275 2600 string "if (res == NULL) {",
adamc@275 2601 newline,
adamc@275 2602 box [string "PQfinish(conn);",
adamc@275 2603 newline,
adamc@311 2604 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2605 newline],
adamc@275 2606 string "}",
adamc@275 2607 newline,
adamc@275 2608 newline,
adamc@275 2609 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2610 newline,
adamc@275 2611 box [string "char msg[1024];",
adamc@275 2612 newline,
adamc@275 2613 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2614 newline,
adamc@275 2615 string "msg[1023] = 0;",
adamc@275 2616 newline,
adamc@275 2617 string "PQclear(res);",
adamc@275 2618 newline,
adamc@275 2619 string "PQfinish(conn);",
adamc@275 2620 newline,
adamc@311 2621 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2622 string q'',
adamc@275 2623 string "\\n%s\", msg);",
adamc@275 2624 newline],
adamc@275 2625 string "}",
adamc@275 2626 newline,
adamc@275 2627 newline,
adamc@275 2628 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2629 string (Int.toString (length xts)),
adamc@275 2630 string "\")) {",
adamc@275 2631 newline,
adamc@275 2632 box [string "PQclear(res);",
adamc@275 2633 newline,
adamc@275 2634 string "PQfinish(conn);",
adamc@275 2635 newline,
adamc@311 2636 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2637 string s,
adamc@275 2638 string "' has extra columns.\");",
adamc@275 2639 newline],
adamc@275 2640 string "}",
adamc@275 2641 newline,
adamc@275 2642 newline,
adamc@275 2643 string "PQclear(res);",
adamc@275 2644 newline]
adamc@275 2645 end) tables,
adamc@377 2646
adamc@377 2647 p_list_sep newline
adamc@377 2648 (fn s =>
adamc@377 2649 let
adamc@377 2650 val sl = CharVector.map Char.toLower s
adamc@377 2651
adamc@377 2652 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2653 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2654 in
adamc@377 2655 box [string "res = PQexec(conn, \"",
adamc@377 2656 string q,
adamc@377 2657 string "\");",
adamc@377 2658 newline,
adamc@377 2659 newline,
adamc@377 2660 string "if (res == NULL) {",
adamc@377 2661 newline,
adamc@377 2662 box [string "PQfinish(conn);",
adamc@377 2663 newline,
adamc@377 2664 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2665 newline],
adamc@377 2666 string "}",
adamc@377 2667 newline,
adamc@377 2668 newline,
adamc@377 2669 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2670 newline,
adamc@377 2671 box [string "char msg[1024];",
adamc@377 2672 newline,
adamc@377 2673 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2674 newline,
adamc@377 2675 string "msg[1023] = 0;",
adamc@377 2676 newline,
adamc@377 2677 string "PQclear(res);",
adamc@377 2678 newline,
adamc@377 2679 string "PQfinish(conn);",
adamc@377 2680 newline,
adamc@377 2681 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2682 string q,
adamc@377 2683 string "\\n%s\", msg);",
adamc@377 2684 newline],
adamc@377 2685 string "}",
adamc@377 2686 newline,
adamc@377 2687 newline,
adamc@377 2688 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2689 newline,
adamc@377 2690 box [string "PQclear(res);",
adamc@377 2691 newline,
adamc@377 2692 string "PQfinish(conn);",
adamc@377 2693 newline,
adamc@377 2694 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2695 string s,
adamc@377 2696 string "' does not exist.\");",
adamc@377 2697 newline],
adamc@377 2698 string "}",
adamc@377 2699 newline,
adamc@377 2700 newline,
adamc@377 2701 string "PQclear(res);",
adamc@377 2702 newline]
adamc@377 2703 end) sequences,
adamc@377 2704
adamc@275 2705 string "}"]
adamc@432 2706
adamc@432 2707 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@29 2708 in
adamc@144 2709 box [string "#include <stdio.h>",
adamc@144 2710 newline,
adamc@144 2711 string "#include <stdlib.h>",
adamc@144 2712 newline,
adamc@272 2713 string "#include <string.h>",
adamc@272 2714 newline,
adamc@390 2715 string "#include <math.h>",
adamc@390 2716 newline,
adamc@432 2717 if hasDb then
adamc@432 2718 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2719 newline]
adamc@432 2720 else
adamc@432 2721 box [],
adamc@144 2722 newline,
adamc@378 2723 string "#include \"",
adamc@378 2724 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2725 file = "urweb.h"}),
adamc@378 2726 string "\"",
adamc@101 2727 newline,
adamc@101 2728 newline,
adamc@101 2729 p_list_sep newline (fn x => x) pds,
adamc@101 2730 newline,
adamc@311 2731 string "int uw_inputs_len = ",
adamc@144 2732 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2733 string ";",
adamc@144 2734 newline,
adamc@673 2735 string "int uw_timeout = ",
adamc@673 2736 string (Int.toString (!timeout)),
adamc@673 2737 string ";",
adamc@673 2738 newline,
adamc@144 2739 newline,
adamc@311 2740 string "int uw_input_num(char *name) {",
adamc@144 2741 newline,
adamc@144 2742 makeSwitch (fnums, 0),
adamc@144 2743 string "}",
adamc@144 2744 newline,
adamc@144 2745 newline,
adamc@311 2746 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2747 newline,
adamc@569 2748 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 2749 newline,
adamc@569 2750 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 2751 newline,
adamc@569 2752 string "uw_write(ctx, jslib);",
adamc@569 2753 newline,
adamc@569 2754 string "return;",
adamc@569 2755 newline],
adamc@569 2756 string "}",
adamc@569 2757 newline,
adamc@101 2758 p_list_sep newline (fn x => x) pds',
adamc@101 2759 newline,
adamc@387 2760 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2761 newline,
adamc@101 2762 string "}",
adamc@275 2763 newline,
adamc@275 2764 newline,
adamc@432 2765 if hasDb then
adamc@432 2766 validate
adamc@432 2767 else
adamc@432 2768 box [],
adamc@376 2769 newline,
adamc@376 2770 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2771 box []
adamc@376 2772 else
adamc@376 2773 box [newline,
adamc@376 2774 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2775 newline,
adamc@424 2776 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2777 newline,
adamc@424 2778 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2779 newline,
adamc@424 2780 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@684 2781 newline,
adamc@684 2782 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) { };",
adamc@687 2783 newline,
adamc@687 2784 string "void uw_initializer(uw_context ctx) { };",
adamc@376 2785 newline]]
adamc@29 2786 end
adamc@29 2787
adamc@274 2788 fun p_sql env (ds, _) =
adamc@274 2789 let
adamc@274 2790 val (pps, _) = ListUtil.foldlMap
adamc@274 2791 (fn (dAll as (d, _), env) =>
adamc@274 2792 let
adamc@274 2793 val pp = case d of
adamc@274 2794 DTable (s, xts) =>
adamc@274 2795 box [string "CREATE TABLE ",
adamc@274 2796 string s,
adamc@274 2797 string "(",
adamc@274 2798 p_list (fn (x, t) =>
adamc@311 2799 box [string "uw_",
adamc@275 2800 string (CharVector.map Char.toLower x),
adamc@274 2801 space,
adamc@467 2802 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@274 2803 string ");",
adamc@274 2804 newline,
adamc@274 2805 newline]
adamc@338 2806 | DSequence s =>
adamc@338 2807 box [string "CREATE SEQUENCE ",
adamc@338 2808 string s,
adamc@338 2809 string ";",
adamc@338 2810 newline,
adamc@338 2811 newline]
adamc@274 2812 | _ => box []
adamc@274 2813 in
adamc@274 2814 (pp, E.declBinds env dAll)
adamc@274 2815 end)
adamc@274 2816 env ds
adamc@274 2817 in
adamc@274 2818 box pps
adamc@274 2819 end
adamc@274 2820
adamc@29 2821 end