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annotate src/cjr_print.sml @ 743:cd67c3a942e3

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Handling nullable blobs
author Adam Chlipala <adamc@hcoop.net>
date Sun, 26 Apr 2009 10:53:36 -0400
parents 43553c93dd8c
children e42f08f96eb5
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@743 395 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e eLen =
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@737 403 box [string "uw_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@743 406 | TFfi ("Basis", "blob") => box [string "uw_Basis_stringToBlob_error(ctx, ",
adamc@743 407 e,
adamc@743 408 string ", ",
adamc@743 409 eLen,
adamc@743 410 string ")"]
adamc@678 411 | TFfi ("Basis", "channel") => box [string "uw_Basis_stringToChannel_error(ctx, ", e, string ")"]
adamc@682 412 | TFfi ("Basis", "client") => box [string "uw_Basis_stringToClient_error(ctx, ", e, string ")"]
adamc@467 413
adamc@278 414 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 415 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 416 string "ERROR")
adamc@278 417
adamc@467 418 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 419 case t of
adamc@467 420 TOption t =>
adamc@467 421 box [string "(PQgetisnull (res, i, ",
adamc@467 422 string (Int.toString i),
adamc@467 423 string ") ? NULL : ",
adamc@467 424 case t of
adamc@467 425 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 426 | _ => box [string "({",
adamc@467 427 newline,
adamc@467 428 p_typ env t,
adamc@467 429 space,
adamc@467 430 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 431 p_typ env t,
adamc@467 432 string "));",
adamc@467 433 newline,
adamc@467 434 string "*tmp = ",
adamc@467 435 p_getcol wontLeakStrings env t i,
adamc@467 436 string ";",
adamc@467 437 newline,
adamc@467 438 string "tmp;",
adamc@467 439 newline,
adamc@467 440 string "})"],
adamc@467 441 string ")"]
adamc@467 442 | _ =>
adamc@467 443 p_unsql wontLeakStrings env tAll
adamc@467 444 (box [string "PQgetvalue(res, i, ",
adamc@467 445 string (Int.toString i),
adamc@467 446 string ")"])
adamc@743 447 (box [string "PQgetlength(res, i, ",
adamc@743 448 string (Int.toString i),
adamc@743 449 string ")"])
adamc@467 450
adamc@282 451 datatype sql_type =
adamc@282 452 Int
adamc@282 453 | Float
adamc@282 454 | String
adamc@282 455 | Bool
adamc@439 456 | Time
adamc@737 457 | Blob
adamc@678 458 | Channel
adamc@682 459 | Client
adamc@467 460 | Nullable of sql_type
adamc@282 461
adamc@737 462 fun isBlob Blob = true
adamc@737 463 | isBlob (Nullable t) = isBlob t
adamc@737 464 | isBlob _ = false
adamc@737 465
adamc@739 466 fun isFile (t : typ) =
adamc@737 467 case #1 t of
adamc@739 468 TFfi ("Basis", "file") => true
adamc@737 469 | _ => false
adamc@737 470
adamc@467 471 fun p_sql_type' t =
adamc@467 472 case t of
adamc@467 473 Int => "uw_Basis_int"
adamc@467 474 | Float => "uw_Basis_float"
adamc@467 475 | String => "uw_Basis_string"
adamc@467 476 | Bool => "uw_Basis_bool"
adamc@467 477 | Time => "uw_Basis_time"
adamc@737 478 | Blob => "uw_Basis_blob"
adamc@678 479 | Channel => "uw_Basis_channel"
adamc@682 480 | Client => "uw_Basis_client"
adamc@467 481 | Nullable String => "uw_Basis_string"
adamc@467 482 | Nullable t => p_sql_type' t ^ "*"
adamc@467 483
adamc@467 484 fun p_sql_type t = string (p_sql_type' t)
adamc@282 485
adamc@282 486 fun getPargs (e, _) =
adamc@282 487 case e of
adamc@282 488 EPrim (Prim.String _) => []
adamc@282 489 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 490
adamc@282 491 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 492 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 493 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 494 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 495 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@737 496 | EFfiApp ("Basis", "sqlifyBlob", [e]) => [(e, Blob)]
adamc@678 497 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@682 498 | EFfiApp ("Basis", "sqlifyClient", [e]) => [(e, Client)]
adamc@468 499
adamc@678 500 | ECase (e,
adamc@678 501 [((PNone _, _),
adamc@678 502 (EPrim (Prim.String "NULL"), _)),
adamc@678 503 ((PSome (_, (PVar _, _)), _),
adamc@678 504 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 505 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 506
adamc@491 507 | ECase (e,
adamc@491 508 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 509 (EPrim (Prim.String "TRUE"), _)),
adamc@491 510 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 511 (EPrim (Prim.String "FALSE"), _))],
adamc@491 512 _) => [(e, Bool)]
adamc@282 513
adamc@282 514 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 515
adamc@282 516 fun p_ensql t e =
adamc@282 517 case t of
adamc@311 518 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 519 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 520 | String => e
adamc@295 521 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@682 522 | Time => box [string "uw_Basis_attrifyTime(ctx, ", e, string ")"]
adamc@737 523 | Blob => box [e, string ".data"]
adamc@678 524 | Channel => box [string "uw_Basis_attrifyChannel(ctx, ", e, string ")"]
adamc@682 525 | Client => box [string "uw_Basis_attrifyClient(ctx, ", e, string ")"]
adamc@467 526 | Nullable String => e
adamc@467 527 | Nullable t => box [string "(",
adamc@467 528 e,
adamc@467 529 string " == NULL ? NULL : ",
adamc@743 530 p_ensql t (box [string "(*", e, string ")"]),
adamc@467 531 string ")"]
adamc@282 532
adamc@324 533 fun notLeaky env allowHeapAllocated =
adamc@324 534 let
adamc@638 535 fun nl ok (t, _) =
adamc@324 536 case t of
adamc@324 537 TFun _ => false
adamc@324 538 | TRecord n =>
adamc@324 539 let
adamc@324 540 val xts = E.lookupStruct env n
adamc@324 541 in
adamc@638 542 List.all (fn (_, t) => nl ok t) xts
adamc@324 543 end
adamc@638 544 | TDatatype (dk, n, ref cons) =>
adamc@638 545 IS.member (ok, n)
adamc@638 546 orelse
adamc@638 547 ((allowHeapAllocated orelse dk = Enum)
adamc@638 548 andalso
adamc@638 549 let
adamc@638 550 val ok' = IS.add (ok, n)
adamc@638 551 in
adamc@638 552 List.all (fn (_, _, to) => case to of
adamc@638 553 NONE => true
adamc@638 554 | SOME t => nl ok' t) cons
adamc@638 555 end)
adamc@324 556 | TFfi ("Basis", "string") => false
adamc@742 557 | TFfi ("Basis", "blob") => allowHeapAllocated
adamc@324 558 | TFfi _ => true
adamc@638 559 | TOption t => allowHeapAllocated andalso nl ok t
adamc@324 560 in
adamc@638 561 nl IS.empty
adamc@324 562 end
adamc@324 563
adamc@463 564 fun capitalize s =
adamc@463 565 if s = "" then
adamc@463 566 ""
adamc@463 567 else
adamc@463 568 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 569
adamc@463 570 fun unurlify env (t, loc) =
adamc@463 571 let
adamc@463 572 fun unurlify' rf t =
adamc@463 573 case t of
adamc@463 574 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 575 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 576
adamc@463 577 | TRecord 0 => string "uw_unit_v"
adamc@463 578 | TRecord i =>
adamc@463 579 let
adamc@463 580 val xts = E.lookupStruct env i
adamc@463 581 in
adamc@463 582 box [string "({",
adamc@463 583 newline,
adamc@463 584 box (map (fn (x, t) =>
adamc@463 585 box [p_typ env t,
adamc@463 586 space,
adamc@463 587 string "uwr_",
adamc@463 588 string x,
adamc@463 589 space,
adamc@463 590 string "=",
adamc@463 591 space,
adamc@463 592 unurlify' rf (#1 t),
adamc@463 593 string ";",
adamc@463 594 newline]) xts),
adamc@463 595 string "struct",
adamc@463 596 space,
adamc@463 597 string "__uws_",
adamc@463 598 string (Int.toString i),
adamc@463 599 space,
adamc@463 600 string "tmp",
adamc@463 601 space,
adamc@463 602 string "=",
adamc@463 603 space,
adamc@463 604 string "{",
adamc@463 605 space,
adamc@463 606 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 607 string x]) xts,
adamc@463 608 space,
adamc@463 609 string "};",
adamc@463 610 newline,
adamc@463 611 string "tmp;",
adamc@463 612 newline,
adamc@463 613 string "})"]
adamc@463 614 end
adamc@463 615
adamc@463 616 | TDatatype (Enum, i, _) =>
adamc@463 617 let
adamc@463 618 val (x, xncs) = E.lookupDatatype env i
adamc@463 619
adamc@463 620 fun doEm xncs =
adamc@463 621 case xncs of
adamc@463 622 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 623 ^ x ^ "\"), (enum __uwe_"
adamc@463 624 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 625 | (x', n, to) :: rest =>
adamc@463 626 box [string "((!strncmp(request, \"",
adamc@463 627 string x',
adamc@463 628 string "\", ",
adamc@463 629 string (Int.toString (size x')),
adamc@463 630 string ") && (request[",
adamc@463 631 string (Int.toString (size x')),
adamc@463 632 string "] == 0 || request[",
adamc@463 633 string (Int.toString (size x')),
adamc@463 634 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 635 space,
adamc@463 636 string ":",
adamc@463 637 space,
adamc@463 638 doEm rest,
adamc@463 639 string ")"]
adamc@463 640 in
adamc@463 641 doEm xncs
adamc@463 642 end
adamc@463 643
adamc@463 644 | TDatatype (Option, i, xncs) =>
adamc@463 645 if IS.member (rf, i) then
adamc@463 646 box [string "unurlify_",
adamc@463 647 string (Int.toString i),
adamc@463 648 string "()"]
adamc@463 649 else
adamc@463 650 let
adamc@463 651 val (x, _) = E.lookupDatatype env i
adamc@463 652
adamc@463 653 val (no_arg, has_arg, t) =
adamc@463 654 case !xncs of
adamc@463 655 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 656 (no_arg, has_arg, t)
adamc@463 657 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 658 (no_arg, has_arg, t)
adamc@463 659 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 660
adamc@463 661 val rf = IS.add (rf, i)
adamc@463 662 in
adamc@463 663 box [string "({",
adamc@463 664 space,
adamc@463 665 p_typ env t,
adamc@463 666 space,
adamc@463 667 string "*unurlify_",
adamc@463 668 string (Int.toString i),
adamc@463 669 string "(void) {",
adamc@463 670 newline,
adamc@463 671 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 672 newline,
adamc@463 673 string "((!strncmp(request, \"",
adamc@463 674 string no_arg,
adamc@463 675 string "\", ",
adamc@463 676 string (Int.toString (size no_arg)),
adamc@463 677 string ") && (request[",
adamc@463 678 string (Int.toString (size no_arg)),
adamc@463 679 string "] == 0 || request[",
adamc@463 680 string (Int.toString (size no_arg)),
adamc@463 681 string "] == '/')) ? (request",
adamc@463 682 space,
adamc@463 683 string "+=",
adamc@463 684 space,
adamc@463 685 string (Int.toString (size no_arg)),
adamc@463 686 string ", NULL) : ((!strncmp(request, \"",
adamc@463 687 string has_arg,
adamc@463 688 string "\", ",
adamc@463 689 string (Int.toString (size has_arg)),
adamc@463 690 string ") && (request[",
adamc@463 691 string (Int.toString (size has_arg)),
adamc@463 692 string "] == 0 || request[",
adamc@463 693 string (Int.toString (size has_arg)),
adamc@463 694 string "] == '/')) ? (request",
adamc@463 695 space,
adamc@463 696 string "+=",
adamc@463 697 space,
adamc@463 698 string (Int.toString (size has_arg)),
adamc@463 699 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 700 newline,
adamc@463 701
adamc@463 702 if isUnboxable t then
adamc@463 703 unurlify' rf (#1 t)
adamc@463 704 else
adamc@463 705 box [string "({",
adamc@463 706 newline,
adamc@463 707 p_typ env t,
adamc@463 708 space,
adamc@463 709 string "*tmp",
adamc@463 710 space,
adamc@463 711 string "=",
adamc@463 712 space,
adamc@463 713 string "uw_malloc(ctx, sizeof(",
adamc@463 714 p_typ env t,
adamc@463 715 string "));",
adamc@463 716 newline,
adamc@463 717 string "*tmp",
adamc@463 718 space,
adamc@463 719 string "=",
adamc@463 720 space,
adamc@463 721 unurlify' rf (#1 t),
adamc@463 722 string ";",
adamc@463 723 newline,
adamc@463 724 string "tmp;",
adamc@463 725 newline,
adamc@463 726 string "})"],
adamc@463 727 string ")",
adamc@463 728 newline,
adamc@463 729 string ":",
adamc@463 730 space,
adamc@463 731 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 732 ^ "\"), NULL))));"),
adamc@463 733 newline],
adamc@463 734 string "}",
adamc@463 735 newline,
adamc@463 736 newline,
adamc@463 737
adamc@463 738 string "unurlify_",
adamc@463 739 string (Int.toString i),
adamc@463 740 string "();",
adamc@463 741 newline,
adamc@463 742 string "})"]
adamc@463 743 end
adamc@463 744
adamc@463 745 | TDatatype (Default, i, _) =>
adamc@463 746 if IS.member (rf, i) then
adamc@463 747 box [string "unurlify_",
adamc@463 748 string (Int.toString i),
adamc@463 749 string "()"]
adamc@463 750 else
adamc@463 751 let
adamc@463 752 val (x, xncs) = E.lookupDatatype env i
adamc@463 753
adamc@463 754 val rf = IS.add (rf, i)
adamc@463 755
adamc@463 756 fun doEm xncs =
adamc@463 757 case xncs of
adamc@463 758 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 759 ^ x ^ "\"), NULL)")
adamc@463 760 | (x', n, to) :: rest =>
adamc@463 761 box [string "((!strncmp(request, \"",
adamc@463 762 string x',
adamc@463 763 string "\", ",
adamc@463 764 string (Int.toString (size x')),
adamc@463 765 string ") && (request[",
adamc@463 766 string (Int.toString (size x')),
adamc@463 767 string "] == 0 || request[",
adamc@463 768 string (Int.toString (size x')),
adamc@463 769 string "] == '/')) ? ({",
adamc@463 770 newline,
adamc@463 771 string "struct",
adamc@463 772 space,
adamc@463 773 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 774 space,
adamc@463 775 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 776 string x,
adamc@463 777 string "_",
adamc@463 778 string (Int.toString i),
adamc@463 779 string "));",
adamc@463 780 newline,
adamc@463 781 string "tmp->tag",
adamc@463 782 space,
adamc@463 783 string "=",
adamc@463 784 space,
adamc@463 785 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 786 string ";",
adamc@463 787 newline,
adamc@463 788 string "request",
adamc@463 789 space,
adamc@463 790 string "+=",
adamc@463 791 space,
adamc@463 792 string (Int.toString (size x')),
adamc@463 793 string ";",
adamc@463 794 newline,
adamc@463 795 string "if (request[0] == '/') ++request;",
adamc@463 796 newline,
adamc@463 797 case to of
adamc@463 798 NONE => box []
adamc@463 799 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 800 p_ident x',
adamc@463 801 space,
adamc@463 802 string "=",
adamc@463 803 space,
adamc@463 804 unurlify' rf t,
adamc@463 805 string ";",
adamc@463 806 newline],
adamc@463 807 string "tmp;",
adamc@463 808 newline,
adamc@463 809 string "})",
adamc@463 810 space,
adamc@463 811 string ":",
adamc@463 812 space,
adamc@463 813 doEm rest,
adamc@463 814 string ")"]
adamc@463 815 in
adamc@463 816 box [string "({",
adamc@463 817 space,
adamc@463 818 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 819 space,
adamc@463 820 string "unurlify_",
adamc@463 821 string (Int.toString i),
adamc@463 822 string "(void) {",
adamc@463 823 newline,
adamc@463 824 box [string "return",
adamc@463 825 space,
adamc@463 826 doEm xncs,
adamc@463 827 string ";",
adamc@463 828 newline],
adamc@463 829 string "}",
adamc@463 830 newline,
adamc@463 831 newline,
adamc@463 832
adamc@463 833 string "unurlify_",
adamc@463 834 string (Int.toString i),
adamc@463 835 string "();",
adamc@463 836 newline,
adamc@463 837 string "})"]
adamc@463 838 end
adamc@463 839
adamc@471 840 | TOption t =>
adamc@471 841 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 842 string "((!strncmp(request, \"None\", 4) ",
adamc@471 843 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 844 string "? (request += 4, NULL) ",
adamc@471 845 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 846 string "&& request[4] == '/') ",
adamc@471 847 string "? (request += 5, ",
adamc@471 848 if isUnboxable t then
adamc@471 849 unurlify' rf (#1 t)
adamc@471 850 else
adamc@471 851 box [string "({",
adamc@471 852 newline,
adamc@471 853 p_typ env t,
adamc@471 854 space,
adamc@471 855 string "*tmp",
adamc@471 856 space,
adamc@471 857 string "=",
adamc@471 858 space,
adamc@471 859 string "uw_malloc(ctx, sizeof(",
adamc@471 860 p_typ env t,
adamc@471 861 string "));",
adamc@471 862 newline,
adamc@471 863 string "*tmp",
adamc@471 864 space,
adamc@471 865 string "=",
adamc@471 866 space,
adamc@471 867 unurlify' rf (#1 t),
adamc@471 868 string ";",
adamc@471 869 newline,
adamc@471 870 string "tmp;",
adamc@471 871 newline,
adamc@471 872 string "})"],
adamc@471 873 string ") :",
adamc@471 874 space,
adamc@471 875 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 876
adamc@463 877 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 878 space)
adamc@463 879 in
adamc@463 880 unurlify' IS.empty t
adamc@463 881 end
adamc@463 882
adamc@610 883 fun urlify env t =
adamc@610 884 let
adamc@610 885 fun urlify' rf level (t as (_, loc)) =
adamc@610 886 case #1 t of
adamc@610 887 TFfi ("Basis", "unit") => box []
adamc@610 888 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 889 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 890 newline]
adamc@610 891
adamc@610 892 | TRecord 0 => box []
adamc@610 893 | TRecord i =>
adamc@610 894 let
adamc@611 895 fun empty (t, _) =
adamc@611 896 case t of
adamc@611 897 TFfi ("Basis", "unit") => true
adamc@611 898 | TRecord 0 => true
adamc@611 899 | TRecord j =>
adamc@611 900 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 901 | _ => false
adamc@611 902
adamc@610 903 val xts = E.lookupStruct env i
adamc@611 904
adamc@613 905 val (blocks, _) = foldl
adamc@613 906 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 907 let
adamc@613 908 val thisEmpty = empty t
adamc@613 909 in
adamc@613 910 if thisEmpty then
adamc@613 911 (blocks, printingSinceLastSlash)
adamc@613 912 else
adamc@613 913 (box [string "{",
adamc@613 914 newline,
adamc@613 915 p_typ env t,
adamc@613 916 space,
adamc@613 917 string ("it" ^ Int.toString (level + 1)),
adamc@613 918 space,
adamc@613 919 string "=",
adamc@613 920 space,
adamc@613 921 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 922 newline,
adamc@613 923 box (if printingSinceLastSlash then
adamc@613 924 [string "uw_write(ctx, \"/\");",
adamc@613 925 newline]
adamc@613 926 else
adamc@613 927 []),
adamc@613 928 urlify' rf (level + 1) t,
adamc@613 929 string "}",
adamc@613 930 newline] :: blocks,
adamc@613 931 true)
adamc@613 932 end)
adamc@613 933 ([], false) xts
adamc@610 934 in
adamc@613 935 box (rev blocks)
adamc@610 936 end
adamc@610 937
adamc@638 938 | TDatatype (Enum, i, _) =>
adamc@638 939 let
adamc@610 940 val (x, xncs) = E.lookupDatatype env i
adamc@610 941
adamc@610 942 fun doEm xncs =
adamc@610 943 case xncs of
adamc@638 944 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 945 ^ x ^ "\");"),
adamc@638 946 newline]
adamc@610 947 | (x', n, to) :: rest =>
adamc@638 948 box [string ("if (it" ^ Int.toString level
adamc@638 949 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 950 newline,
adamc@638 951 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 952 newline],
adamc@638 953 string "} else {",
adamc@638 954 newline,
adamc@638 955 box [doEm rest,
adamc@638 956 newline],
adamc@638 957 string "}"]
adamc@610 958 in
adamc@610 959 doEm xncs
adamc@638 960 end
adamc@610 961
adamc@639 962 | TDatatype (Option, i, xncs) =>
adamc@639 963 if IS.member (rf, i) then
adamc@639 964 box [string "urlify_",
adamc@610 965 string (Int.toString i),
adamc@639 966 string "(it",
adamc@639 967 string (Int.toString level),
adamc@639 968 string ");",
adamc@639 969 newline]
adamc@610 970 else
adamc@610 971 let
adamc@610 972 val (x, _) = E.lookupDatatype env i
adamc@610 973
adamc@610 974 val (no_arg, has_arg, t) =
adamc@610 975 case !xncs of
adamc@610 976 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 977 (no_arg, has_arg, t)
adamc@610 978 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 979 (no_arg, has_arg, t)
adamc@639 980 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 981
adamc@610 982 val rf = IS.add (rf, i)
adamc@610 983 in
adamc@610 984 box [string "({",
adamc@610 985 space,
adamc@639 986 string "void",
adamc@639 987 space,
adamc@639 988 string "urlify_",
adamc@639 989 string (Int.toString i),
adamc@639 990 string "(",
adamc@610 991 p_typ env t,
adamc@610 992 space,
adamc@639 993 if isUnboxable t then
adamc@639 994 box []
adamc@639 995 else
adamc@639 996 string "*",
adamc@639 997 string "it0) {",
adamc@610 998 newline,
adamc@639 999 box [string "if (it0) {",
adamc@639 1000 if isUnboxable t then
adamc@639 1001 urlify' rf 0 t
adamc@610 1002 else
adamc@639 1003 box [p_typ env t,
adamc@610 1004 space,
adamc@639 1005 string "it1",
adamc@610 1006 space,
adamc@610 1007 string "=",
adamc@610 1008 space,
adamc@639 1009 string "*it0;",
adamc@610 1010 newline,
adamc@639 1011 string "uw_write(ctx, \"",
adamc@639 1012 string has_arg,
adamc@639 1013 string "/\");",
adamc@639 1014 newline,
adamc@639 1015 urlify' rf 1 t,
adamc@610 1016 string ";",
adamc@639 1017 newline],
adamc@639 1018 string "} else {",
adamc@639 1019 box [string "uw_write(ctx, \"",
adamc@639 1020 string no_arg,
adamc@639 1021 string "\");",
adamc@639 1022 newline],
adamc@639 1023 string "}",
adamc@610 1024 newline],
adamc@610 1025 string "}",
adamc@610 1026 newline,
adamc@610 1027 newline,
adamc@610 1028
adamc@639 1029 string "urlify_",
adamc@610 1030 string (Int.toString i),
adamc@639 1031 string "(it",
adamc@639 1032 string (Int.toString level),
adamc@639 1033 string ");",
adamc@610 1034 newline,
adamc@639 1035 string "});",
adamc@639 1036 newline]
adamc@639 1037 end
adamc@610 1038
adamc@640 1039 | TDatatype (Default, i, _) =>
adamc@640 1040 if IS.member (rf, i) then
adamc@640 1041 box [string "urlify_",
adamc@610 1042 string (Int.toString i),
adamc@640 1043 string "(it",
adamc@640 1044 string (Int.toString level),
adamc@640 1045 string ");",
adamc@640 1046 newline]
adamc@610 1047 else
adamc@610 1048 let
adamc@610 1049 val (x, xncs) = E.lookupDatatype env i
adamc@610 1050
adamc@610 1051 val rf = IS.add (rf, i)
adamc@610 1052
adamc@610 1053 fun doEm xncs =
adamc@610 1054 case xncs of
adamc@640 1055 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1056 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1057 newline]
adamc@610 1058 | (x', n, to) :: rest =>
adamc@640 1059 box [string "if",
adamc@610 1060 space,
adamc@640 1061 string "(it0->tag==__uwc_",
adamc@640 1062 string (ident x'),
adamc@610 1063 string "_",
adamc@640 1064 string (Int.toString n),
adamc@640 1065 string ") {",
adamc@610 1066 newline,
adamc@610 1067 case to of
adamc@640 1068 NONE => box [string "uw_write(ctx, \"",
adamc@640 1069 string x',
adamc@640 1070 string "\");",
adamc@640 1071 newline]
adamc@640 1072 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1073 string x',
adamc@640 1074 string "/\");",
adamc@640 1075 newline,
adamc@640 1076 p_typ env t,
adamc@640 1077 space,
adamc@640 1078 string "it1",
adamc@640 1079 space,
adamc@640 1080 string "=",
adamc@640 1081 space,
adamc@640 1082 string "it0->data.uw_",
adamc@640 1083 string x',
adamc@640 1084 string ";",
adamc@640 1085 newline,
adamc@640 1086 urlify' rf 1 t,
adamc@640 1087 newline],
adamc@640 1088 string "} else {",
adamc@610 1089 newline,
adamc@640 1090 box [doEm rest,
adamc@640 1091 newline],
adamc@640 1092 string "}",
adamc@640 1093 newline]
adamc@610 1094 in
adamc@610 1095 box [string "({",
adamc@610 1096 space,
adamc@640 1097 string "void",
adamc@610 1098 space,
adamc@640 1099 string "urlify_",
adamc@610 1100 string (Int.toString i),
adamc@640 1101 string "(",
adamc@640 1102 p_typ env t,
adamc@640 1103 space,
adamc@640 1104 string "it0) {",
adamc@610 1105 newline,
adamc@640 1106 box [doEm xncs,
adamc@610 1107 newline],
adamc@640 1108 newline,
adamc@610 1109 string "}",
adamc@610 1110 newline,
adamc@640 1111
adamc@640 1112 string "urlify_",
adamc@640 1113 string (Int.toString i),
adamc@640 1114 string "(it",
adamc@640 1115 string (Int.toString level),
adamc@640 1116 string ");",
adamc@610 1117 newline,
adamc@640 1118 string "});",
adamc@640 1119 newline]
adamc@640 1120 end
adamc@610 1121
adamc@641 1122 | TOption t =>
adamc@641 1123 box [string "if (it",
adamc@641 1124 string (Int.toString level),
adamc@641 1125 string ") {",
adamc@641 1126 if isUnboxable t then
adamc@641 1127 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1128 newline,
adamc@641 1129 urlify' rf level t]
adamc@610 1130 else
adamc@641 1131 box [p_typ env t,
adamc@610 1132 space,
adamc@641 1133 string "it",
adamc@641 1134 string (Int.toString (level + 1)),
adamc@610 1135 space,
adamc@610 1136 string "=",
adamc@610 1137 space,
adamc@641 1138 string "*it",
adamc@641 1139 string (Int.toString level),
adamc@610 1140 string ";",
adamc@610 1141 newline,
adamc@641 1142 string "uw_write(ctx, \"Some/\");",
adamc@610 1143 newline,
adamc@641 1144 urlify' rf (level + 1) t,
adamc@641 1145 string ";",
adamc@641 1146 newline],
adamc@641 1147 string "} else {",
adamc@641 1148 box [string "uw_write(ctx, \"None\");",
adamc@641 1149 newline],
adamc@641 1150 string "}",
adamc@641 1151 newline]
adamc@610 1152
adamc@610 1153 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1154 space)
adamc@610 1155 in
adamc@610 1156 urlify' IS.empty 0 t
adamc@610 1157 end
adamc@610 1158
adamc@673 1159 val timeout = ref 0
adamc@673 1160
adamc@182 1161 fun p_exp' par env (e, loc) =
adamc@29 1162 case e of
adamc@276 1163 EPrim p => Prim.p_t_GCC p
adamc@29 1164 | ERel n => p_rel env n
adamc@109 1165 | ENamed n => p_enamed env n
adamc@188 1166 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1167 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1168 | ECon (Option, pc, SOME e) =>
adamc@198 1169 let
adamc@198 1170 val to = case pc of
adamc@198 1171 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1172 | PConFfi {arg, ...} => arg
adamc@198 1173
adamc@198 1174 val t = case to of
adamc@198 1175 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1176 | SOME t => t
adamc@198 1177 in
adamc@463 1178 if isUnboxable t then
adamc@463 1179 p_exp' par env e
adamc@463 1180 else
adamc@463 1181 box [string "({",
adamc@463 1182 newline,
adamc@463 1183 p_typ env t,
adamc@463 1184 space,
adamc@463 1185 string "*tmp",
adamc@463 1186 space,
adamc@463 1187 string "=",
adamc@463 1188 space,
adamc@463 1189 string "uw_malloc(ctx, sizeof(",
adamc@463 1190 p_typ env t,
adamc@463 1191 string "));",
adamc@463 1192 newline,
adamc@463 1193 string "*tmp",
adamc@463 1194 space,
adamc@463 1195 string "=",
adamc@463 1196 p_exp' par env e,
adamc@463 1197 string ";",
adamc@463 1198 newline,
adamc@463 1199 string "tmp;",
adamc@463 1200 newline,
adamc@463 1201 string "})"]
adamc@198 1202 end
adamc@188 1203 | ECon (Default, pc, eo) =>
adamc@181 1204 let
adamc@196 1205 val (xd, xc, xn) = patConInfo env pc
adamc@181 1206 in
adamc@182 1207 box [string "({",
adamc@181 1208 newline,
adamc@181 1209 string "struct",
adamc@181 1210 space,
adamc@185 1211 string xd,
adamc@181 1212 space,
adamc@181 1213 string "*tmp",
adamc@181 1214 space,
adamc@181 1215 string "=",
adamc@181 1216 space,
adamc@311 1217 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1218 string xd,
adamc@181 1219 string "));",
adamc@181 1220 newline,
adamc@181 1221 string "tmp->tag",
adamc@181 1222 space,
adamc@181 1223 string "=",
adamc@181 1224 space,
adamc@185 1225 string xc,
adamc@181 1226 string ";",
adamc@181 1227 newline,
adamc@181 1228 case eo of
adamc@181 1229 NONE => box []
adamc@185 1230 | SOME e => box [string "tmp->data.",
adamc@196 1231 string xn,
adamc@181 1232 space,
adamc@181 1233 string "=",
adamc@181 1234 space,
adamc@181 1235 p_exp env e,
adamc@181 1236 string ";",
adamc@181 1237 newline],
adamc@181 1238 string "tmp;",
adamc@181 1239 newline,
adamc@181 1240 string "})"]
adamc@181 1241 end
adamc@297 1242 | ENone _ => string "NULL"
adamc@290 1243 | ESome (t, e) =>
adamc@463 1244 if isUnboxable t then
adamc@463 1245 p_exp' par env e
adamc@463 1246 else
adamc@463 1247 box [string "({",
adamc@463 1248 newline,
adamc@463 1249 p_typ env t,
adamc@463 1250 space,
adamc@463 1251 string "*tmp",
adamc@463 1252 space,
adamc@463 1253 string "=",
adamc@463 1254 space,
adamc@463 1255 string "uw_malloc(ctx, sizeof(",
adamc@463 1256 p_typ env t,
adamc@463 1257 string "));",
adamc@463 1258 newline,
adamc@463 1259 string "*tmp",
adamc@463 1260 space,
adamc@463 1261 string "=",
adamc@463 1262 p_exp' par env e,
adamc@463 1263 string ";",
adamc@463 1264 newline,
adamc@463 1265 string "tmp;",
adamc@463 1266 newline,
adamc@463 1267 string "})"]
adamc@109 1268
adamc@316 1269 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1270 | EError (e, t) =>
adamc@283 1271 box [string "({",
adamc@283 1272 newline,
adamc@283 1273 p_typ env t,
adamc@283 1274 space,
adamc@283 1275 string "tmp;",
adamc@283 1276 newline,
adamc@311 1277 string "uw_error(ctx, FATAL, \"",
adamc@292 1278 string (ErrorMsg.spanToString loc),
adamc@292 1279 string ": %s\", ",
adamc@283 1280 p_exp env e,
adamc@283 1281 string ");",
adamc@283 1282 newline,
adamc@283 1283 string "tmp;",
adamc@283 1284 newline,
adamc@283 1285 string "})"]
adamc@741 1286 | EReturnBlob {blob, mimeType, t} =>
adamc@741 1287 box [string "({",
adamc@741 1288 newline,
adamc@741 1289 p_typ env t,
adamc@741 1290 space,
adamc@741 1291 string "tmp;",
adamc@741 1292 newline,
adamc@741 1293 string "uw_return_blob(ctx, ",
adamc@741 1294 p_exp env blob,
adamc@741 1295 string ", ",
adamc@741 1296 p_exp env mimeType,
adamc@741 1297 string ");",
adamc@741 1298 newline,
adamc@741 1299 string "tmp;",
adamc@741 1300 newline,
adamc@741 1301 string "})"]
adamc@476 1302 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1303 p_exp env (EError (e, ran), loc)
adamc@741 1304 | EApp ((EReturnBlob {blob, mimeType, t = (TFun (_, ran), _)}, loc), _) =>
adamc@741 1305 p_exp env (EReturnBlob {blob = blob, mimeType = mimeType, t = ran}, loc)
adamc@476 1306
adamc@311 1307 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1308 p_ident m,
adamc@53 1309 string "_",
adamc@316 1310 p_ident x,
adamc@117 1311 string "(ctx, ",
adamc@53 1312 p_list (p_exp env) es,
adamc@53 1313 string ")"]
adamc@316 1314 | EApp (f, args) =>
adamc@316 1315 parenIf par (box [p_exp' true env f,
adamc@316 1316 string "(ctx,",
adamc@316 1317 space,
adamc@316 1318 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1319 string ")"])
adamc@29 1320
adamc@387 1321 | EUnop (s, e1) =>
adamc@387 1322 parenIf par (box [string s,
adamc@387 1323 space,
adamc@387 1324 p_exp' true env e1])
adamc@387 1325
adamc@387 1326 | EBinop (s, e1, e2) =>
adamc@389 1327 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1328 box [string s,
adamc@390 1329 string "(",
adamc@389 1330 p_exp env e1,
adamc@389 1331 string ",",
adamc@389 1332 space,
adamc@389 1333 p_exp env e2,
adamc@389 1334 string ")"]
adamc@389 1335 else
adamc@389 1336 parenIf par (box [p_exp' true env e1,
adamc@389 1337 space,
adamc@389 1338 string s,
adamc@389 1339 space,
adamc@389 1340 p_exp' true env e2])
adamc@387 1341
adamc@29 1342 | ERecord (i, xes) => box [string "({",
adamc@29 1343 space,
adamc@29 1344 string "struct",
adamc@29 1345 space,
adamc@311 1346 string ("__uws_" ^ Int.toString i),
adamc@29 1347 space,
adamc@181 1348 string "tmp",
adamc@29 1349 space,
adamc@29 1350 string "=",
adamc@29 1351 space,
adamc@29 1352 string "{",
adamc@29 1353 p_list (fn (_, e) =>
adamc@29 1354 p_exp env e) xes,
adamc@29 1355 string "};",
adamc@29 1356 space,
adamc@181 1357 string "tmp;",
adamc@29 1358 space,
adamc@29 1359 string "})" ]
adamc@29 1360 | EField (e, x) =>
adamc@29 1361 box [p_exp' true env e,
adamc@311 1362 string ".__uwf_",
adamc@316 1363 p_ident x]
adamc@29 1364
adamc@182 1365 | ECase (e, pes, {disc, result}) =>
adamc@182 1366 let
adamc@182 1367 val final = newGoto ()
adamc@182 1368
adamc@182 1369 val body = foldl (fn ((p, e), body) =>
adamc@182 1370 let
adamc@182 1371 val exit = newGoto ()
adamc@182 1372 val (pr, _) = p_pat_preamble env p
adamc@182 1373 val (p, env) = p_pat (env,
adamc@182 1374 box [string "goto",
adamc@182 1375 space,
adamc@182 1376 exit,
adamc@182 1377 string ";"],
adamc@182 1378 0) p
adamc@182 1379 in
adamc@182 1380 box [body,
adamc@182 1381 box [string "{",
adamc@182 1382 newline,
adamc@182 1383 pr,
adamc@182 1384 newline,
adamc@182 1385 p,
adamc@182 1386 newline,
adamc@182 1387 string "result",
adamc@182 1388 space,
adamc@182 1389 string "=",
adamc@182 1390 space,
adamc@182 1391 p_exp env e,
adamc@182 1392 string ";",
adamc@182 1393 newline,
adamc@182 1394 string "goto",
adamc@182 1395 space,
adamc@182 1396 final,
adamc@182 1397 string ";",
adamc@182 1398 newline,
adamc@182 1399 string "}"],
adamc@182 1400 newline,
adamc@182 1401 exit,
adamc@182 1402 string ":",
adamc@182 1403 newline]
adamc@182 1404 end) (box []) pes
adamc@182 1405 in
adamc@182 1406 box [string "({",
adamc@182 1407 newline,
adamc@182 1408 p_typ env disc,
adamc@182 1409 space,
adamc@182 1410 string "disc0",
adamc@182 1411 space,
adamc@182 1412 string "=",
adamc@182 1413 space,
adamc@182 1414 p_exp env e,
adamc@182 1415 string ";",
adamc@182 1416 newline,
adamc@182 1417 p_typ env result,
adamc@182 1418 space,
adamc@182 1419 string "result;",
adamc@182 1420 newline,
adamc@182 1421 body,
adamc@311 1422 string "uw_error(ctx, FATAL, \"",
adamc@182 1423 string (ErrorMsg.spanToString loc),
adamc@182 1424 string ": pattern match failure\");",
adamc@182 1425 newline,
adamc@182 1426 final,
adamc@182 1427 string ":",
adamc@182 1428 space,
adamc@182 1429 string "result;",
adamc@182 1430 newline,
adamc@182 1431 string "})"]
adamc@182 1432 end
adamc@181 1433
adamc@311 1434 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1435 p_exp env e,
adamc@311 1436 string "), uw_unit_v)"]
adamc@102 1437
adamc@106 1438 | ESeq (e1, e2) => box [string "(",
adamc@106 1439 p_exp env e1,
adamc@106 1440 string ",",
adamc@106 1441 space,
adamc@106 1442 p_exp env e2,
adamc@106 1443 string ")"]
adamc@269 1444 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1445 newline,
adamc@269 1446 p_typ env t,
adamc@269 1447 space,
adamc@311 1448 string "__uwr_",
adamc@316 1449 p_ident x,
adamc@272 1450 string "_",
adamc@272 1451 string (Int.toString (E.countERels env)),
adamc@269 1452 space,
adamc@269 1453 string "=",
adamc@269 1454 space,
adamc@269 1455 p_exp env e1,
adamc@269 1456 string ";",
adamc@269 1457 newline,
adamc@269 1458 p_exp (E.pushERel env x t) e2,
adamc@269 1459 string ";",
adamc@269 1460 newline,
adamc@269 1461 string "})"]
adamc@269 1462
adamc@282 1463 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1464 let
adamc@316 1465 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1466 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1467 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1468 tables
adamc@638 1469
adamc@278 1470 val outputs = exps @ tables
adamc@325 1471 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1472
adamc@324 1473 val wontLeakStrings = notLeaky env true state
adamc@324 1474 val wontLeakAnything = notLeaky env false state
adamc@278 1475 in
adamc@640 1476 box [if wontLeakAnything then
adamc@704 1477 string "(uw_begin_region(ctx), "
adamc@324 1478 else
adamc@324 1479 box [],
adamc@324 1480 string "({",
adamc@278 1481 newline,
adamc@311 1482 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1483 newline,
adamc@640 1484 p_typ env state,
adamc@640 1485 space,
adamc@640 1486 string "acc",
adamc@640 1487 space,
adamc@640 1488 string "=",
adamc@640 1489 space,
adamc@640 1490 p_exp env initial,
adamc@640 1491 string ";",
adamc@640 1492 newline,
adamc@640 1493 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1494 newline,
adamc@640 1495
adamc@282 1496 case prepared of
adamc@282 1497 NONE => box [string "char *query = ",
adamc@282 1498 p_exp env query,
adamc@282 1499 string ";",
adamc@282 1500 newline]
adamc@282 1501 | SOME _ =>
adamc@282 1502 let
adamc@282 1503 val ets = getPargs query
adamc@282 1504 in
adamc@282 1505 box [p_list_sepi newline
adamc@282 1506 (fn i => fn (e, t) =>
adamc@282 1507 box [p_sql_type t,
adamc@282 1508 space,
adamc@282 1509 string "arg",
adamc@282 1510 string (Int.toString (i + 1)),
adamc@282 1511 space,
adamc@282 1512 string "=",
adamc@282 1513 space,
adamc@282 1514 p_exp env e,
adamc@282 1515 string ";"])
adamc@282 1516 ets,
adamc@282 1517 newline,
adamc@282 1518 newline,
adamc@282 1519
adamc@737 1520 string "const int paramFormats[] = { ",
adamc@737 1521 p_list_sep (box [string ",", space])
adamc@737 1522 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@737 1523 string " };",
adamc@737 1524 newline,
adamc@737 1525 string "const int paramLengths[] = { ",
adamc@737 1526 p_list_sepi (box [string ",", space])
adamc@737 1527 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@737 1528 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@737 1529 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@737 1530 | _ => string "0") ets,
adamc@737 1531 string " };",
adamc@737 1532 newline,
adamc@282 1533 string "const char *paramValues[] = { ",
adamc@282 1534 p_list_sepi (box [string ",", space])
adamc@282 1535 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1536 string (Int.toString (i + 1))]))
adamc@282 1537 ets,
adamc@282 1538 string " };",
adamc@282 1539 newline,
adamc@282 1540 newline]
adamc@282 1541 end,
adamc@640 1542
adamc@282 1543 string "PGresult *res = ",
adamc@282 1544 case prepared of
adamc@295 1545 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1546 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1547 string (Int.toString n),
adamc@282 1548 string "\", ",
adamc@282 1549 string (Int.toString (length (getPargs query))),
adamc@737 1550 string ", paramValues, paramLengths, paramFormats, 0);"],
adamc@278 1551 newline,
adamc@278 1552 newline,
adamc@277 1553
adamc@311 1554 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1555 newline,
adamc@278 1556 newline,
adamc@277 1557
adamc@278 1558 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1559 newline,
adamc@278 1560 box [string "PQclear(res);",
adamc@278 1561 newline,
adamc@311 1562 string "uw_error(ctx, FATAL, \"",
adamc@278 1563 string (ErrorMsg.spanToString loc),
adamc@282 1564 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1565 case prepared of
adamc@282 1566 NONE => string "query"
adamc@282 1567 | SOME _ => p_exp env query,
adamc@282 1568 string ", PQerrorMessage(conn));",
adamc@278 1569 newline],
adamc@278 1570 string "}",
adamc@278 1571 newline,
adamc@278 1572 newline,
adamc@277 1573
adamc@323 1574 string "uw_end_region(ctx);",
adamc@323 1575 newline,
adamc@425 1576 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1577 newline,
adamc@278 1578 string "n = PQntuples(res);",
adamc@278 1579 newline,
adamc@278 1580 string "for (i = 0; i < n; ++i) {",
adamc@278 1581 newline,
adamc@278 1582 box [string "struct",
adamc@278 1583 space,
adamc@311 1584 string "__uws_",
adamc@278 1585 string (Int.toString rnum),
adamc@278 1586 space,
adamc@311 1587 string "__uwr_r_",
adamc@278 1588 string (Int.toString (E.countERels env)),
adamc@278 1589 string ";",
adamc@278 1590 newline,
adamc@278 1591 p_typ env state,
adamc@278 1592 space,
adamc@311 1593 string "__uwr_acc_",
adamc@278 1594 string (Int.toString (E.countERels env + 1)),
adamc@278 1595 space,
adamc@278 1596 string "=",
adamc@278 1597 space,
adamc@278 1598 string "acc;",
adamc@278 1599 newline,
adamc@278 1600 newline,
adamc@278 1601
adamc@278 1602 p_list_sepi (box []) (fn i =>
adamc@278 1603 fn (proj, t) =>
adamc@311 1604 box [string "__uwr_r_",
adamc@278 1605 string (Int.toString (E.countERels env)),
adamc@278 1606 string ".",
adamc@278 1607 string proj,
adamc@278 1608 space,
adamc@278 1609 string "=",
adamc@278 1610 space,
adamc@467 1611 p_getcol wontLeakStrings env t i,
adamc@278 1612 string ";",
adamc@278 1613 newline]) outputs,
adamc@278 1614
adamc@278 1615 newline,
adamc@278 1616 newline,
adamc@278 1617
adamc@278 1618 string "acc",
adamc@278 1619 space,
adamc@278 1620 string "=",
adamc@278 1621 space,
adamc@278 1622 p_exp (E.pushERel
adamc@278 1623 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1624 "acc" state)
adamc@278 1625 body,
adamc@278 1626 string ";",
adamc@278 1627 newline],
adamc@278 1628 string "}",
adamc@278 1629 newline,
adamc@278 1630 newline,
adamc@425 1631 string "uw_pop_cleanup(ctx);",
adamc@278 1632 newline,
adamc@324 1633 if wontLeakAnything then
adamc@324 1634 box [string "uw_end_region(ctx);",
adamc@324 1635 newline]
adamc@324 1636 else
adamc@324 1637 box [],
adamc@278 1638 string "acc;",
adamc@278 1639 newline,
adamc@704 1640 string "})",
adamc@704 1641 if wontLeakAnything then
adamc@704 1642 string ")"
adamc@704 1643 else
adamc@704 1644 box []]
adamc@278 1645 end
adamc@106 1646
adamc@307 1647 | EDml {dml, prepared} =>
adamc@337 1648 box [string "(uw_begin_region(ctx), ({",
adamc@307 1649 newline,
adamc@311 1650 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1651 newline,
adamc@307 1652 case prepared of
adamc@307 1653 NONE => box [string "char *dml = ",
adamc@307 1654 p_exp env dml,
adamc@307 1655 string ";",
adamc@307 1656 newline]
adamc@307 1657 | SOME _ =>
adamc@307 1658 let
adamc@307 1659 val ets = getPargs dml
adamc@307 1660 in
adamc@307 1661 box [p_list_sepi newline
adamc@307 1662 (fn i => fn (e, t) =>
adamc@307 1663 box [p_sql_type t,
adamc@307 1664 space,
adamc@307 1665 string "arg",
adamc@307 1666 string (Int.toString (i + 1)),
adamc@307 1667 space,
adamc@307 1668 string "=",
adamc@307 1669 space,
adamc@307 1670 p_exp env e,
adamc@307 1671 string ";"])
adamc@307 1672 ets,
adamc@307 1673 newline,
adamc@307 1674 newline,
adamc@307 1675
adamc@738 1676 string "const int paramFormats[] = { ",
adamc@738 1677 p_list_sep (box [string ",", space])
adamc@738 1678 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@738 1679 string " };",
adamc@738 1680 newline,
adamc@738 1681 string "const int paramLengths[] = { ",
adamc@738 1682 p_list_sepi (box [string ",", space])
adamc@738 1683 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@738 1684 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@738 1685 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@738 1686 | _ => string "0") ets,
adamc@738 1687 string " };",
adamc@738 1688 newline,
adamc@307 1689 string "const char *paramValues[] = { ",
adamc@307 1690 p_list_sepi (box [string ",", space])
adamc@307 1691 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1692 string (Int.toString (i + 1))]))
adamc@307 1693 ets,
adamc@307 1694 string " };",
adamc@307 1695 newline,
adamc@307 1696 newline]
adamc@307 1697 end,
adamc@307 1698 newline,
adamc@307 1699 newline,
adamc@307 1700 string "PGresult *res = ",
adamc@307 1701 case prepared of
adamc@307 1702 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1703 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1704 string (Int.toString n),
adamc@307 1705 string "\", ",
adamc@307 1706 string (Int.toString (length (getPargs dml))),
adamc@738 1707 string ", paramValues, paramLengths, paramFormats, 0);"],
adamc@307 1708 newline,
adamc@307 1709 newline,
adamc@307 1710
adamc@311 1711 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1712 newline,
adamc@307 1713 newline,
adamc@307 1714
adamc@307 1715 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1716 newline,
adamc@688 1717 box [string "if (!strcmp(PQresultErrorField(res, PG_DIAG_SQLSTATE), \"40001\")) {",
adamc@688 1718 box [newline,
adamc@688 1719 string "PQclear(res);",
adamc@688 1720 newline,
adamc@688 1721 string "uw_error(ctx, UNLIMITED_RETRY, \"Serialization failure\");",
adamc@688 1722 newline],
adamc@688 1723 string "}",
adamc@688 1724 newline,
adamc@688 1725 string "PQclear(res);",
adamc@307 1726 newline,
adamc@311 1727 string "uw_error(ctx, FATAL, \"",
adamc@307 1728 string (ErrorMsg.spanToString loc),
adamc@307 1729 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1730 case prepared of
adamc@307 1731 NONE => string "dml"
adamc@307 1732 | SOME _ => p_exp env dml,
adamc@307 1733 string ", PQerrorMessage(conn));",
adamc@307 1734 newline],
adamc@307 1735 string "}",
adamc@307 1736 newline,
adamc@307 1737 newline,
adamc@307 1738
adamc@307 1739 string "PQclear(res);",
adamc@307 1740 newline,
adamc@337 1741 string "uw_end_region(ctx);",
adamc@337 1742 newline,
adamc@311 1743 string "uw_unit_v;",
adamc@307 1744 newline,
adamc@337 1745 string "}))"]
adamc@307 1746
adamc@338 1747 | ENextval {seq, prepared} =>
adamc@338 1748 let
adamc@486 1749 val query = case seq of
adamc@486 1750 (EPrim (Prim.String s), loc) =>
adamc@486 1751 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1752 | _ =>
adamc@486 1753 let
adamc@486 1754 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1755 in
adamc@486 1756 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1757 end
adamc@338 1758 in
adamc@338 1759 box [string "(uw_begin_region(ctx), ",
adamc@338 1760 string "({",
adamc@338 1761 newline,
adamc@338 1762 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1763 newline,
adamc@338 1764 case prepared of
adamc@338 1765 NONE => box [string "char *query = ",
adamc@338 1766 p_exp env query,
adamc@338 1767 string ";",
adamc@338 1768 newline]
adamc@338 1769 | SOME _ =>
adamc@338 1770 box [],
adamc@338 1771 newline,
adamc@338 1772 string "PGresult *res = ",
adamc@338 1773 case prepared of
adamc@338 1774 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1775 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1776 string (Int.toString n),
adamc@338 1777 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1778 newline,
adamc@338 1779 string "uw_Basis_int n;",
adamc@338 1780 newline,
adamc@338 1781 newline,
adamc@338 1782
adamc@338 1783 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1784 newline,
adamc@338 1785 newline,
adamc@338 1786
adamc@338 1787 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1788 newline,
adamc@338 1789 box [string "PQclear(res);",
adamc@338 1790 newline,
adamc@338 1791 string "uw_error(ctx, FATAL, \"",
adamc@338 1792 string (ErrorMsg.spanToString loc),
adamc@338 1793 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1794 case prepared of
adamc@338 1795 NONE => string "query"
adamc@338 1796 | SOME _ => p_exp env query,
adamc@338 1797 string ", PQerrorMessage(conn));",
adamc@338 1798 newline],
adamc@338 1799 string "}",
adamc@338 1800 newline,
adamc@338 1801 newline,
adamc@338 1802
adamc@338 1803 string "uw_end_region(ctx);",
adamc@338 1804 newline,
adamc@338 1805 string "n = PQntuples(res);",
adamc@338 1806 newline,
adamc@338 1807 string "if (n != 1) {",
adamc@338 1808 newline,
adamc@338 1809 box [string "PQclear(res);",
adamc@338 1810 newline,
adamc@338 1811 string "uw_error(ctx, FATAL, \"",
adamc@338 1812 string (ErrorMsg.spanToString loc),
adamc@338 1813 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1814 case prepared of
adamc@338 1815 NONE => string "query"
adamc@338 1816 | SOME _ => p_exp env query,
adamc@338 1817 string ", PQerrorMessage(conn));",
adamc@338 1818 newline],
adamc@338 1819 string "}",
adamc@338 1820 newline,
adamc@338 1821 newline,
adamc@338 1822
adamc@338 1823 string "n = ",
adamc@338 1824 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@743 1825 (string "PQgetvalue(res, 0, 0)")
adamc@743 1826 (box []),
adamc@338 1827 string ";",
adamc@338 1828 newline,
adamc@338 1829 string "PQclear(res);",
adamc@338 1830 newline,
adamc@338 1831 string "n;",
adamc@338 1832 newline,
adamc@338 1833 string "}))"]
adamc@338 1834 end
adamc@338 1835
adamc@463 1836 | EUnurlify (e, t) =>
adamc@463 1837 let
adamc@463 1838 fun getIt () =
adamc@463 1839 if isUnboxable t then
adamc@463 1840 unurlify env t
adamc@463 1841 else
adamc@463 1842 box [string "({",
adamc@463 1843 newline,
adamc@463 1844 p_typ env t,
adamc@463 1845 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1846 p_typ env t,
adamc@463 1847 string "));",
adamc@463 1848 newline,
adamc@463 1849 string "*tmp = ",
adamc@463 1850 unurlify env t,
adamc@463 1851 string ";",
adamc@463 1852 newline,
adamc@463 1853 string "tmp;",
adamc@463 1854 newline,
adamc@463 1855 string "})"]
adamc@463 1856 in
adamc@463 1857 box [string "({",
adamc@463 1858 newline,
adamc@737 1859 string "uw_Basis_string request = uw_maybe_strdup(ctx, ",
adamc@463 1860 p_exp env e,
adamc@492 1861 string ");",
adamc@463 1862 newline,
adamc@463 1863 newline,
adamc@463 1864 string "(request ? ",
adamc@463 1865 getIt (),
adamc@463 1866 string " : NULL);",
adamc@463 1867 newline,
adamc@463 1868 string "})"]
adamc@463 1869 end
adamc@463 1870
adamc@29 1871 and p_exp env = p_exp' false env
adamc@29 1872
adamc@129 1873 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1874 let
adamc@129 1875 val nargs = length args
adamc@129 1876 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1877 in
adamc@129 1878 box [string "static",
adamc@129 1879 space,
adamc@129 1880 p_typ env ran,
adamc@129 1881 space,
adamc@316 1882 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1883 string "(",
adamc@129 1884 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1885 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1886 box [p_typ env dom,
adamc@129 1887 space,
adamc@129 1888 p_rel env' (nargs - i - 1)]) args),
adamc@129 1889 string ")",
adamc@129 1890 space,
adamc@129 1891 string "{",
adamc@129 1892 newline,
adamc@638 1893 box [string "return(",
adamc@638 1894 p_exp env' e,
adamc@638 1895 string ");"],
adamc@129 1896 newline,
adamc@129 1897 string "}"]
adamc@129 1898 end
adamc@129 1899
adamc@129 1900 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1901 case d of
adamc@29 1902 DStruct (n, xts) =>
adamc@196 1903 let
adamc@196 1904 val env = E.declBinds env dAll
adamc@196 1905 in
adamc@196 1906 box [string "struct",
adamc@196 1907 space,
adamc@311 1908 string ("__uws_" ^ Int.toString n),
adamc@196 1909 space,
adamc@196 1910 string "{",
adamc@196 1911 newline,
adamc@196 1912 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1913 space,
adamc@311 1914 string "__uwf_",
adamc@316 1915 p_ident x,
adamc@196 1916 string ";",
adamc@196 1917 newline]) xts,
adamc@196 1918 string "};"]
adamc@196 1919 end
adamc@188 1920 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1921 box [string "enum",
adamc@188 1922 space,
adamc@316 1923 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1924 space,
adamc@188 1925 string "{",
adamc@188 1926 space,
adamc@316 1927 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1928 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1929 space,
adamc@188 1930 string "};"]
adamc@198 1931 | DDatatype (Option, _, _, _) => box []
adamc@188 1932 | DDatatype (Default, x, n, xncs) =>
adamc@165 1933 let
adamc@165 1934 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1935 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1936 in
adamc@165 1937 box [string "enum",
adamc@165 1938 space,
adamc@316 1939 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1940 space,
adamc@165 1941 string "{",
adamc@165 1942 space,
adamc@316 1943 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1944 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1945 space,
adamc@165 1946 string "};",
adamc@165 1947 newline,
adamc@165 1948 newline,
adamc@165 1949 string "struct",
adamc@165 1950 space,
adamc@316 1951 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1952 space,
adamc@165 1953 string "{",
adamc@165 1954 newline,
adamc@165 1955 string "enum",
adamc@165 1956 space,
adamc@316 1957 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1958 space,
adamc@165 1959 string "tag;",
adamc@165 1960 newline,
adamc@165 1961 box (case xncsArgs of
adamc@165 1962 [] => []
adamc@165 1963 | _ => [string "union",
adamc@165 1964 space,
adamc@165 1965 string "{",
adamc@165 1966 newline,
adamc@165 1967 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1968 space,
adamc@316 1969 string ("uw_" ^ ident x),
adamc@165 1970 string ";"]) xncsArgs,
adamc@165 1971 newline,
adamc@165 1972 string "}",
adamc@165 1973 space,
adamc@165 1974 string "data;",
adamc@165 1975 newline]),
adamc@165 1976 string "};"]
adamc@188 1977 end
adamc@29 1978
adamc@196 1979 | DDatatypeForward _ => box []
adamc@196 1980
adamc@29 1981 | DVal (x, n, t, e) =>
adamc@29 1982 box [p_typ env t,
adamc@29 1983 space,
adamc@316 1984 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1985 space,
adamc@29 1986 string "=",
adamc@29 1987 space,
adamc@29 1988 p_exp env e,
adamc@29 1989 string ";"]
adamc@129 1990 | DFun vi => p_fun env vi
adamc@129 1991 | DFunRec vis =>
adamc@29 1992 let
adamc@129 1993 val env = E.declBinds env dAll
adamc@29 1994 in
adamc@129 1995 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1996 box [string "static",
adamc@129 1997 space,
adamc@129 1998 p_typ env ran,
adamc@129 1999 space,
adamc@316 2000 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 2001 string "(uw_context,",
adamc@129 2002 space,
adamc@129 2003 p_list_sep (box [string ",", space])
adamc@129 2004 (fn (_, dom) => p_typ env dom) args,
adamc@129 2005 string ");"]) vis,
adamc@29 2006 newline,
adamc@129 2007 p_list_sep newline (p_fun env) vis,
adamc@129 2008 newline]
adamc@29 2009 end
adamc@707 2010 | DTable (x, _, pk, csts) => box [string "/* SQL table ",
adamc@707 2011 string x,
adamc@707 2012 space,
adamc@707 2013 case pk of
adamc@707 2014 "" => box []
adamc@707 2015 | _ => box [string "keys",
adamc@707 2016 space,
adamc@707 2017 string pk,
adamc@707 2018 space],
adamc@707 2019 string "constraints",
adamc@707 2020 space,
adamc@707 2021 p_list (fn (x, v) => box [string x,
adamc@707 2022 space,
adamc@707 2023 string ":",
adamc@707 2024 space,
adamc@707 2025 string v]) csts,
adamc@707 2026 space,
adamc@707 2027 string " */",
adamc@707 2028 newline]
adamc@338 2029 | DSequence x => box [string "/* SQL sequence ",
adamc@338 2030 string x,
adamc@338 2031 string " */",
adamc@338 2032 newline]
adamc@687 2033 | DDatabase {name, expunge, initialize} =>
adamc@687 2034 box [string "static void uw_db_validate(uw_context);",
adamc@687 2035 newline,
adamc@687 2036 string "static void uw_db_prepare(uw_context);",
adamc@687 2037 newline,
adamc@687 2038 newline,
adamc@687 2039 string "void uw_db_init(uw_context ctx) {",
adamc@687 2040 newline,
adamc@687 2041 string "PGconn *conn = PQconnectdb(\"",
adamc@687 2042 string (String.toString name),
adamc@687 2043 string "\");",
adamc@687 2044 newline,
adamc@687 2045 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 2046 string "\"libpq can't allocate a connection.\");",
adamc@687 2047 newline,
adamc@687 2048 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@687 2049 newline,
adamc@687 2050 box [string "char msg[1024];",
adamc@687 2051 newline,
adamc@687 2052 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@687 2053 newline,
adamc@687 2054 string "msg[1023] = 0;",
adamc@687 2055 newline,
adamc@687 2056 string "PQfinish(conn);",
adamc@687 2057 newline,
adamc@687 2058 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 2059 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@687 2060 newline,
adamc@687 2061 string "}",
adamc@687 2062 newline,
adamc@687 2063 string "uw_set_db(ctx, conn);",
adamc@687 2064 newline,
adamc@687 2065 string "uw_db_validate(ctx);",
adamc@687 2066 newline,
adamc@687 2067 string "uw_db_prepare(ctx);",
adamc@687 2068 newline,
adamc@687 2069 string "}",
adamc@687 2070 newline,
adamc@687 2071 newline,
adamc@687 2072 string "void uw_db_close(uw_context ctx) {",
adamc@687 2073 newline,
adamc@687 2074 string "PQfinish(uw_get_db(ctx));",
adamc@687 2075 newline,
adamc@687 2076 string "}",
adamc@687 2077 newline,
adamc@687 2078 newline,
adamc@424 2079
adamc@687 2080 string "int uw_db_begin(uw_context ctx) {",
adamc@687 2081 newline,
adamc@687 2082 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2083 newline,
adamc@687 2084 string "PGresult *res = PQexec(conn, \"BEGIN ISOLATION LEVEL SERIALIZABLE\");",
adamc@687 2085 newline,
adamc@687 2086 newline,
adamc@687 2087 string "if (res == NULL) return 1;",
adamc@687 2088 newline,
adamc@687 2089 newline,
adamc@687 2090 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2091 box [string "PQclear(res);",
adamc@687 2092 newline,
adamc@687 2093 string "return 1;",
adamc@687 2094 newline],
adamc@687 2095 string "}",
adamc@687 2096 newline,
adamc@687 2097 string "return 0;",
adamc@687 2098 newline,
adamc@687 2099 string "}",
adamc@687 2100 newline,
adamc@687 2101 newline,
adamc@424 2102
adamc@687 2103 string "int uw_db_commit(uw_context ctx) {",
adamc@687 2104 newline,
adamc@687 2105 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2106 newline,
adamc@687 2107 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@687 2108 newline,
adamc@687 2109 newline,
adamc@687 2110 string "if (res == NULL) return 1;",
adamc@687 2111 newline,
adamc@687 2112 newline,
adamc@687 2113 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2114 box [string "PQclear(res);",
adamc@687 2115 newline,
adamc@687 2116 string "return 1;",
adamc@687 2117 newline],
adamc@687 2118 string "}",
adamc@687 2119 newline,
adamc@687 2120 string "return 0;",
adamc@687 2121 newline,
adamc@687 2122 string "}",
adamc@687 2123 newline,
adamc@687 2124 newline,
adamc@424 2125
adamc@687 2126 string "int uw_db_rollback(uw_context ctx) {",
adamc@687 2127 newline,
adamc@687 2128 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2129 newline,
adamc@687 2130 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@687 2131 newline,
adamc@687 2132 newline,
adamc@687 2133 string "if (res == NULL) return 1;",
adamc@687 2134 newline,
adamc@687 2135 newline,
adamc@687 2136 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2137 box [string "PQclear(res);",
adamc@687 2138 newline,
adamc@687 2139 string "return 1;",
adamc@687 2140 newline],
adamc@687 2141 string "}",
adamc@687 2142 newline,
adamc@687 2143 string "return 0;",
adamc@687 2144 newline,
adamc@687 2145 string "}",
adamc@687 2146 newline,
adamc@687 2147 newline,
adamc@683 2148
adamc@687 2149 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) {",
adamc@687 2150 newline,
adamc@687 2151 box [p_enamed env expunge,
adamc@687 2152 string "(ctx, cli);",
adamc@687 2153 newline],
adamc@687 2154 string "}",
adamc@687 2155 newline,
adamc@687 2156 newline,
adamc@687 2157
adamc@687 2158 string "void uw_initializer(uw_context ctx) {",
adamc@687 2159 newline,
adamc@687 2160 box [p_enamed env initialize,
adamc@687 2161 string "(ctx, uw_unit_v);",
adamc@687 2162 newline],
adamc@687 2163 string "}",
adamc@687 2164 newline]
adamc@29 2165
adamc@467 2166 | DPreparedStatements [] =>
adamc@467 2167 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2168 newline,
adamc@467 2169 string "}"]
adamc@282 2170 | DPreparedStatements ss =>
adamc@311 2171 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2172 newline,
adamc@311 2173 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2174 newline,
adamc@282 2175 string "PGresult *res;",
adamc@282 2176 newline,
adamc@282 2177 newline,
adamc@282 2178
adamc@282 2179 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2180 box [string "res = PQprepare(conn, \"uw",
adamc@282 2181 string (Int.toString i),
adamc@282 2182 string "\", \"",
adamc@282 2183 string (String.toString s),
adamc@282 2184 string "\", ",
adamc@282 2185 string (Int.toString n),
adamc@282 2186 string ", NULL);",
adamc@282 2187 newline,
adamc@282 2188 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2189 newline,
adamc@282 2190 box [string "char msg[1024];",
adamc@282 2191 newline,
adamc@282 2192 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2193 newline,
adamc@282 2194 string "msg[1023] = 0;",
adamc@282 2195 newline,
adamc@282 2196 string "PQclear(res);",
adamc@282 2197 newline,
adamc@282 2198 string "PQfinish(conn);",
adamc@282 2199 newline,
adamc@311 2200 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2201 string (String.toString s),
adamc@282 2202 string "\\n%s\", msg);",
adamc@282 2203 newline],
adamc@282 2204 string "}",
adamc@282 2205 newline,
adamc@282 2206 string "PQclear(res);",
adamc@282 2207 newline])
adamc@282 2208 ss,
adamc@282 2209
adamc@282 2210 string "}"]
adamc@282 2211
adamc@569 2212 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2213 string (String.toString s),
adamc@569 2214 string "\";"]
adamc@725 2215 | DCookie s => box [string "/*",
adamc@725 2216 space,
adamc@725 2217 string "cookie",
adamc@725 2218 space,
adamc@725 2219 string s,
adamc@725 2220 space,
adamc@725 2221 string "*/"]
adamc@720 2222 | DStyle s => box [string "/*",
adamc@720 2223 space,
adamc@720 2224 string "style",
adamc@720 2225 space,
adamc@720 2226 string s,
adamc@720 2227 space,
adamc@720 2228 string "*/"]
adamc@569 2229
adamc@144 2230 datatype 'a search =
adamc@144 2231 Found of 'a
adamc@144 2232 | NotFound
adamc@144 2233 | Error
adamc@120 2234
adamc@467 2235 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2236 case t of
adamc@275 2237 TFfi ("Basis", "int") => "int8"
adamc@275 2238 | TFfi ("Basis", "float") => "float8"
adamc@275 2239 | TFfi ("Basis", "string") => "text"
adamc@275 2240 | TFfi ("Basis", "bool") => "bool"
adamc@438 2241 | TFfi ("Basis", "time") => "timestamp"
adamc@737 2242 | TFfi ("Basis", "blob") => "bytea"
adamc@682 2243 | TFfi ("Basis", "channel") => "int8"
adamc@682 2244 | TFfi ("Basis", "client") => "int4"
adamc@275 2245 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2246 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2247 "ERROR")
adamc@275 2248
adamc@467 2249 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2250 case t of
adamc@467 2251 (TOption t, _) => p_sqltype'' env t
adamc@467 2252 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2253
adamc@275 2254 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2255
adamc@467 2256 fun p_sqltype_base' env t =
adamc@467 2257 case t of
adamc@467 2258 (TOption t, _) => p_sqltype'' env t
adamc@467 2259 | _ => p_sqltype'' env t
adamc@467 2260
adamc@467 2261 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2262
adamc@467 2263 fun is_not_null t =
adamc@467 2264 case t of
adamc@467 2265 (TOption _, _) => false
adamc@467 2266 | _ => true
adamc@467 2267
adamc@734 2268 fun sigName fields =
adamc@734 2269 let
adamc@734 2270 fun inFields s = List.exists (fn (s', _) => s' = s) fields
adamc@734 2271
adamc@734 2272 fun getSigName n =
adamc@734 2273 let
adamc@734 2274 val s = "Sig" ^ Int.toString n
adamc@734 2275 in
adamc@734 2276 if inFields s then
adamc@734 2277 getSigName (n + 1)
adamc@734 2278 else
adamc@734 2279 s
adamc@734 2280 end
adamc@734 2281 in
adamc@734 2282 if inFields "Sig" then
adamc@734 2283 getSigName 0
adamc@734 2284 else
adamc@734 2285 "Sig"
adamc@734 2286 end
adamc@734 2287
adamc@101 2288 fun p_file env (ds, ps) =
adamc@29 2289 let
adamc@101 2290 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2291 (p_decl env d,
adamc@638 2292 E.declBinds env d))
adamc@101 2293 env ds
adamc@144 2294
adamc@643 2295 val fields = foldl (fn ((ek, _, _, ts, _, _), fields) =>
adamc@144 2296 case ek of
adamc@735 2297 Link => fields
adamc@735 2298 | Rpc _ => fields
adamc@735 2299 | Action eff =>
adamc@280 2300 case List.nth (ts, length ts - 2) of
adamc@144 2301 (TRecord i, _) =>
adamc@144 2302 let
adamc@144 2303 val xts = E.lookupStruct env i
adamc@735 2304 val xts = case eff of
adamc@735 2305 ReadCookieWrite =>
adamc@735 2306 (sigName xts, (TRecord 0, ErrorMsg.dummySpan)) :: xts
adamc@735 2307 | _ => xts
adamc@144 2308 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 2309 in
adamc@144 2310 foldl (fn ((x, _), fields) =>
adamc@144 2311 let
adamc@144 2312 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 2313 in
adamc@144 2314 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 2315 xtsSet'))
adamc@144 2316 end) fields xts
adamc@144 2317 end
adamc@144 2318 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 2319 SM.empty ps
adamc@144 2320
adamc@144 2321 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2322 let
adamc@144 2323 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2324 case SM.find (fnums, x') of
adamc@144 2325 NONE => unusable
adamc@144 2326 | SOME n => IS.add (unusable, n))
adamc@144 2327 IS.empty xs
adamc@144 2328
adamc@144 2329 fun findAvailable n =
adamc@144 2330 if IS.member (unusable, n) then
adamc@144 2331 findAvailable (n + 1)
adamc@144 2332 else
adamc@144 2333 n
adamc@144 2334 in
adamc@144 2335 SM.insert (fnums, x, findAvailable 0)
adamc@144 2336 end)
adamc@144 2337 SM.empty fields
adamc@144 2338
adamc@734 2339 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2340
adamc@144 2341 fun makeSwitch (fnums, i) =
adamc@144 2342 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2343 | (n, Error) => Error
adamc@144 2344 | (n, Found n') => if n = n' then
adamc@144 2345 Found n'
adamc@144 2346 else
adamc@144 2347 Error) NotFound fnums of
adamc@144 2348 NotFound => box [string "return",
adamc@144 2349 space,
adamc@144 2350 string "-1;"]
adamc@144 2351 | Found n => box [string "return",
adamc@144 2352 space,
adamc@144 2353 string (Int.toString n),
adamc@144 2354 string ";"]
adamc@144 2355 | Error =>
adamc@144 2356 let
adamc@144 2357 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2358 let
adamc@144 2359 val ch = if i < size x then
adamc@144 2360 String.sub (x, i)
adamc@144 2361 else
adamc@144 2362 chr 0
adamc@144 2363
adamc@144 2364 val fnums = case CM.find (cmap, ch) of
adamc@144 2365 NONE => SM.empty
adamc@144 2366 | SOME fnums => fnums
adamc@144 2367 val fnums = SM.insert (fnums, x, n)
adamc@144 2368 in
adamc@144 2369 CM.insert (cmap, ch, fnums)
adamc@144 2370 end)
adamc@144 2371 CM.empty fnums
adamc@144 2372
adamc@144 2373 val cmap = CM.listItemsi cmap
adamc@144 2374 in
adamc@144 2375 case cmap of
adamc@144 2376 [(_, fnums)] =>
adamc@144 2377 box [string "if",
adamc@144 2378 space,
adamc@144 2379 string "(name[",
adamc@144 2380 string (Int.toString i),
adamc@144 2381 string "]",
adamc@144 2382 space,
adamc@144 2383 string "==",
adamc@144 2384 space,
adamc@144 2385 string "0)",
adamc@144 2386 space,
adamc@144 2387 string "return",
adamc@144 2388 space,
adamc@144 2389 string "-1;",
adamc@144 2390 newline,
adamc@144 2391 makeSwitch (fnums, i+1)]
adamc@144 2392 | _ =>
adamc@144 2393 box [string "switch",
adamc@144 2394 space,
adamc@144 2395 string "(name[",
adamc@144 2396 string (Int.toString i),
adamc@144 2397 string "])",
adamc@144 2398 space,
adamc@144 2399 string "{",
adamc@144 2400 newline,
adamc@144 2401 box (map (fn (ch, fnums) =>
adamc@144 2402 box [string "case",
adamc@144 2403 space,
adamc@144 2404 if ch = chr 0 then
adamc@144 2405 string "0:"
adamc@144 2406 else
adamc@144 2407 box [string "'",
adamc@144 2408 string (Char.toString ch),
adamc@144 2409 string "':"],
adamc@144 2410 newline,
adamc@144 2411 makeSwitch (fnums, i+1),
adamc@144 2412 newline]) cmap),
adamc@144 2413 string "default:",
adamc@144 2414 newline,
adamc@144 2415 string "return",
adamc@144 2416 space,
adamc@144 2417 string "-1;",
adamc@144 2418 newline,
adamc@144 2419 string "}"]
adamc@144 2420 end
adamc@144 2421
adamc@643 2422 fun p_page (ek, s, n, ts, ran, side) =
adamc@144 2423 let
adamc@734 2424 val (ts, defInputs, inputsVar, fields) =
adamc@144 2425 case ek of
adamc@734 2426 Core.Link => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@734 2427 | Core.Rpc _ => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@731 2428 | Core.Action _ =>
adamc@280 2429 case List.nth (ts, length ts - 2) of
adamc@144 2430 (TRecord i, _) =>
adamc@144 2431 let
adamc@144 2432 val xts = E.lookupStruct env i
adamc@144 2433 in
adamc@280 2434 (List.take (ts, length ts - 2),
adamc@144 2435 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2436 space,
adamc@311 2437 string "uw_input_",
adamc@316 2438 p_ident x,
adamc@144 2439 string ";",
adamc@144 2440 newline]) xts),
adamc@144 2441 newline,
adamc@144 2442 box (map (fn (x, t) =>
adamc@144 2443 let
adamc@144 2444 val n = case SM.find (fnums, x) of
adamc@144 2445 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 2446 | SOME n => n
adamc@190 2447
adamc@190 2448 val f = case t of
adamc@190 2449 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 2450 | _ => ""
adamc@144 2451 in
adamc@739 2452 if isFile t then
adamc@737 2453 box [string "uw_input_",
adamc@737 2454 p_ident x,
adamc@737 2455 space,
adamc@737 2456 string "=",
adamc@737 2457 space,
adamc@737 2458 string "uw_get_file_input(ctx, ",
adamc@737 2459 string (Int.toString n),
adamc@737 2460 string ");",
adamc@737 2461 newline]
adamc@737 2462 else
adamc@737 2463 box [string "request = uw_get_",
adamc@737 2464 string f,
adamc@737 2465 string "input(ctx, ",
adamc@737 2466 string (Int.toString n),
adamc@737 2467 string ");",
adamc@737 2468 newline,
adamc@737 2469 string "if (request == NULL)",
adamc@737 2470 newline,
adamc@737 2471 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@737 2472 string x,
adamc@737 2473 string "\");"],
adamc@737 2474 newline,
adamc@737 2475 string "uw_input_",
adamc@737 2476 p_ident x,
adamc@737 2477 space,
adamc@737 2478 string "=",
adamc@737 2479 space,
adamc@737 2480 unurlify env t,
adamc@737 2481 string ";",
adamc@737 2482 newline]
adamc@144 2483 end) xts),
adamc@311 2484 string "struct __uws_",
adamc@144 2485 string (Int.toString i),
adamc@144 2486 space,
adamc@311 2487 string "uw_inputs",
adamc@144 2488 space,
adamc@144 2489 string "= {",
adamc@144 2490 newline,
adamc@311 2491 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2492 p_ident x,
adamc@144 2493 string ",",
adamc@144 2494 newline]) xts),
adamc@144 2495 string "};",
adamc@144 2496 newline],
adamc@144 2497 box [string ",",
adamc@144 2498 space,
adamc@734 2499 string "uw_inputs"],
adamc@734 2500 SOME xts)
adamc@144 2501 end
adamc@144 2502
adamc@144 2503 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@734 2504
adamc@734 2505 fun couldWrite ek =
adamc@734 2506 case ek of
adamc@734 2507 Link => false
adamc@735 2508 | Action ef => ef = ReadCookieWrite
adamc@735 2509 | Rpc ef => ef = ReadCookieWrite
adamc@144 2510 in
adamc@735 2511 box [string "if (!strncmp(request, \"",
adamc@735 2512 string (String.toString s),
adamc@735 2513 string "\", ",
adamc@735 2514 string (Int.toString (size s)),
adamc@735 2515 string ") && (request[",
adamc@735 2516 string (Int.toString (size s)),
adamc@735 2517 string "] == 0 || request[",
adamc@735 2518 string (Int.toString (size s)),
adamc@735 2519 string "] == '/')) {",
adamc@735 2520 newline,
adamc@735 2521 string "request += ",
adamc@735 2522 string (Int.toString (size s)),
adamc@735 2523 string ";",
adamc@735 2524 newline,
adamc@735 2525 string "if (*request == '/') ++request;",
adamc@735 2526 newline,
adamc@735 2527 if couldWrite ek then
adamc@734 2528 box [string "{",
adamc@734 2529 newline,
adamc@734 2530 string "uw_Basis_string sig = ",
adamc@734 2531 case fields of
adamc@734 2532 NONE => string "uw_Basis_requestHeader(ctx, \"UrWeb-Sig\")"
adamc@734 2533 | SOME fields =>
adamc@734 2534 case SM.find (fnums, sigName fields) of
adamc@734 2535 NONE => raise Fail "CjrPrint: sig name wasn't assigned a number"
adamc@734 2536 | SOME inum =>
adamc@734 2537 string ("uw_get_input(ctx, " ^ Int.toString inum ^ ")"),
adamc@734 2538 string ";",
adamc@734 2539 newline,
adamc@734 2540 string "if (sig == NULL) uw_error(ctx, FATAL, \"Missing cookie signature\");",
adamc@734 2541 newline,
adamc@734 2542 string "if (strcmp(sig, uw_cookie_sig(ctx)))",
adamc@734 2543 newline,
adamc@734 2544 box [string "uw_error(ctx, FATAL, \"Wrong cookie signature\");",
adamc@734 2545 newline],
adamc@734 2546 string "}",
adamc@734 2547 newline]
adamc@734 2548 else
adamc@734 2549 box [],
adamc@609 2550 box (case ek of
adamc@731 2551 Core.Rpc _ => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@731 2552 newline]
adamc@609 2553 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2554 newline,
adamc@609 2555 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2556 newline,
adamc@609 2557 string "uw_write(ctx, \"<html>\");",
adamc@643 2558 newline,
adamc@643 2559 string "uw_set_script_header(ctx, \"",
adamc@643 2560 string (case side of
adamc@693 2561 ServerOnly => ""
adamc@693 2562 | _ => "<script src=\\\""
adamc@693 2563 ^ OS.Path.joinDirFile {dir = !Monoize.urlPrefix,
adamc@693 2564 file = "app.js"}
adamc@693 2565 ^ "\\\"></script>\\n"),
adamc@643 2566 string "\");",
adamc@693 2567 newline,
adamc@693 2568 string "uw_set_needs_push(ctx, ",
adamc@693 2569 string (case side of
adamc@693 2570 ServerAndPullAndPush => "1"
adamc@693 2571 | _ => "0"),
adamc@693 2572 string ");",
adamc@693 2573 newline,
adamc@667 2574 string "uw_set_url_prefix(ctx, \"",
adamc@667 2575 string (!Monoize.urlPrefix),
adamc@667 2576 string "\");",
adamc@609 2577 newline]),
adamc@736 2578 string "uw_set_needs_sig(ctx, ",
adamc@736 2579 string (if couldWrite ek then
adamc@736 2580 "1"
adamc@736 2581 else
adamc@736 2582 "0"),
adamc@736 2583 string ");",
adamc@736 2584 newline,
adamc@682 2585 string "uw_login(ctx);",
adamc@682 2586 newline,
adamc@144 2587 box [string "{",
adamc@144 2588 newline,
adamc@144 2589 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2590 space,
adamc@144 2591 string "arg",
adamc@144 2592 string (Int.toString i),
adamc@144 2593 space,
adamc@144 2594 string "=",
adamc@144 2595 space,
adamc@463 2596 unurlify env t,
adamc@144 2597 string ";",
adamc@144 2598 newline]) ts),
adamc@144 2599 defInputs,
adamc@609 2600 box (case ek of
adamc@731 2601 Core.Rpc _ => [p_typ env ran,
adamc@731 2602 space,
adamc@731 2603 string "it0",
adamc@731 2604 space,
adamc@731 2605 string "=",
adamc@731 2606 space]
adamc@609 2607 | _ => []),
adamc@144 2608 p_enamed env n,
adamc@144 2609 string "(",
adamc@144 2610 p_list_sep (box [string ",", space])
adamc@144 2611 (fn x => x)
adamc@272 2612 (string "ctx"
adamc@280 2613 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2614 inputsVar,
adamc@311 2615 string ", uw_unit_v);",
adamc@144 2616 newline,
adamc@609 2617 box (case ek of
adamc@731 2618 Core.Rpc _ => [urlify env ran]
adamc@609 2619 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2620 newline]),
adamc@144 2621 string "return;",
adamc@144 2622 newline,
adamc@144 2623 string "}",
adamc@144 2624 newline,
adamc@144 2625 string "}"]
adamc@144 2626 ]
adamc@144 2627 end
adamc@144 2628
adamc@144 2629 val pds' = map p_page ps
adamc@275 2630
adamc@707 2631 val tables = List.mapPartial (fn (DTable (s, xts, _, _), _) => SOME (s, xts)
adamc@275 2632 | _ => NONE) ds
adamc@377 2633 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2634 | _ => NONE) ds
adamc@275 2635
adamc@275 2636 val validate =
adamc@311 2637 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2638 newline,
adamc@311 2639 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2640 newline,
adamc@275 2641 string "PGresult *res;",
adamc@275 2642 newline,
adamc@275 2643 newline,
adamc@275 2644 p_list_sep newline
adamc@275 2645 (fn (s, xts) =>
adamc@275 2646 let
adamc@377 2647 val sl = CharVector.map Char.toLower s
adamc@377 2648
adamc@275 2649 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2650 ^ sl ^ "'"
adamc@275 2651
adamc@275 2652 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2653 sl,
adamc@275 2654 "') AND (",
adamc@275 2655 String.concatWith " OR "
adamc@275 2656 (map (fn (x, t) =>
adamc@311 2657 String.concat ["(attname = 'uw_",
adamc@275 2658 CharVector.map
adamc@316 2659 Char.toLower (ident x),
adamc@275 2660 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2661 " WHERE typname = '",
adamc@467 2662 p_sqltype_base' env t,
adamc@467 2663 "') AND attnotnull = ",
adamc@467 2664 if is_not_null t then
adamc@467 2665 "TRUE"
adamc@467 2666 else
adamc@467 2667 "FALSE",
adamc@467 2668 ")"]) xts),
adamc@275 2669 ")"]
adamc@275 2670
adamc@275 2671 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2672 sl,
adamc@325 2673 "') AND attname LIKE 'uw_%'"]
adamc@275 2674 in
adamc@275 2675 box [string "res = PQexec(conn, \"",
adamc@275 2676 string q,
adamc@275 2677 string "\");",
adamc@275 2678 newline,
adamc@275 2679 newline,
adamc@275 2680 string "if (res == NULL) {",
adamc@275 2681 newline,
adamc@275 2682 box [string "PQfinish(conn);",
adamc@275 2683 newline,
adamc@311 2684 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2685 newline],
adamc@275 2686 string "}",
adamc@275 2687 newline,
adamc@275 2688 newline,
adamc@275 2689 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2690 newline,
adamc@275 2691 box [string "char msg[1024];",
adamc@275 2692 newline,
adamc@275 2693 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2694 newline,
adamc@275 2695 string "msg[1023] = 0;",
adamc@275 2696 newline,
adamc@275 2697 string "PQclear(res);",
adamc@275 2698 newline,
adamc@275 2699 string "PQfinish(conn);",
adamc@275 2700 newline,
adamc@311 2701 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2702 string q,
adamc@275 2703 string "\\n%s\", msg);",
adamc@275 2704 newline],
adamc@275 2705 string "}",
adamc@275 2706 newline,
adamc@275 2707 newline,
adamc@275 2708 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2709 newline,
adamc@275 2710 box [string "PQclear(res);",
adamc@275 2711 newline,
adamc@275 2712 string "PQfinish(conn);",
adamc@275 2713 newline,
adamc@311 2714 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2715 string s,
adamc@275 2716 string "' does not exist.\");",
adamc@275 2717 newline],
adamc@275 2718 string "}",
adamc@275 2719 newline,
adamc@275 2720 newline,
adamc@275 2721 string "PQclear(res);",
adamc@275 2722 newline,
adamc@275 2723
adamc@275 2724 string "res = PQexec(conn, \"",
adamc@275 2725 string q',
adamc@275 2726 string "\");",
adamc@275 2727 newline,
adamc@275 2728 newline,
adamc@275 2729 string "if (res == NULL) {",
adamc@275 2730 newline,
adamc@275 2731 box [string "PQfinish(conn);",
adamc@275 2732 newline,
adamc@311 2733 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2734 newline],
adamc@275 2735 string "}",
adamc@275 2736 newline,
adamc@275 2737 newline,
adamc@275 2738 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2739 newline,
adamc@275 2740 box [string "char msg[1024];",
adamc@275 2741 newline,
adamc@275 2742 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2743 newline,
adamc@275 2744 string "msg[1023] = 0;",
adamc@275 2745 newline,
adamc@275 2746 string "PQclear(res);",
adamc@275 2747 newline,
adamc@275 2748 string "PQfinish(conn);",
adamc@275 2749 newline,
adamc@311 2750 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2751 string q',
adamc@275 2752 string "\\n%s\", msg);",
adamc@275 2753 newline],
adamc@275 2754 string "}",
adamc@275 2755 newline,
adamc@275 2756 newline,
adamc@275 2757 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2758 string (Int.toString (length xts)),
adamc@275 2759 string "\")) {",
adamc@275 2760 newline,
adamc@275 2761 box [string "PQclear(res);",
adamc@275 2762 newline,
adamc@275 2763 string "PQfinish(conn);",
adamc@275 2764 newline,
adamc@311 2765 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2766 string s,
adamc@275 2767 string "' has the wrong column types.\");",
adamc@275 2768 newline],
adamc@275 2769 string "}",
adamc@275 2770 newline,
adamc@275 2771 newline,
adamc@275 2772 string "PQclear(res);",
adamc@275 2773 newline,
adamc@275 2774 newline,
adamc@275 2775
adamc@275 2776 string "res = PQexec(conn, \"",
adamc@275 2777 string q'',
adamc@275 2778 string "\");",
adamc@275 2779 newline,
adamc@275 2780 newline,
adamc@275 2781 string "if (res == NULL) {",
adamc@275 2782 newline,
adamc@275 2783 box [string "PQfinish(conn);",
adamc@275 2784 newline,
adamc@311 2785 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2786 newline],
adamc@275 2787 string "}",
adamc@275 2788 newline,
adamc@275 2789 newline,
adamc@275 2790 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2791 newline,
adamc@275 2792 box [string "char msg[1024];",
adamc@275 2793 newline,
adamc@275 2794 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2795 newline,
adamc@275 2796 string "msg[1023] = 0;",
adamc@275 2797 newline,
adamc@275 2798 string "PQclear(res);",
adamc@275 2799 newline,
adamc@275 2800 string "PQfinish(conn);",
adamc@275 2801 newline,
adamc@311 2802 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2803 string q'',
adamc@275 2804 string "\\n%s\", msg);",
adamc@275 2805 newline],
adamc@275 2806 string "}",
adamc@275 2807 newline,
adamc@275 2808 newline,
adamc@275 2809 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2810 string (Int.toString (length xts)),
adamc@275 2811 string "\")) {",
adamc@275 2812 newline,
adamc@275 2813 box [string "PQclear(res);",
adamc@275 2814 newline,
adamc@275 2815 string "PQfinish(conn);",
adamc@275 2816 newline,
adamc@311 2817 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2818 string s,
adamc@275 2819 string "' has extra columns.\");",
adamc@275 2820 newline],
adamc@275 2821 string "}",
adamc@275 2822 newline,
adamc@275 2823 newline,
adamc@275 2824 string "PQclear(res);",
adamc@275 2825 newline]
adamc@275 2826 end) tables,
adamc@377 2827
adamc@377 2828 p_list_sep newline
adamc@377 2829 (fn s =>
adamc@377 2830 let
adamc@377 2831 val sl = CharVector.map Char.toLower s
adamc@377 2832
adamc@377 2833 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2834 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2835 in
adamc@377 2836 box [string "res = PQexec(conn, \"",
adamc@377 2837 string q,
adamc@377 2838 string "\");",
adamc@377 2839 newline,
adamc@377 2840 newline,
adamc@377 2841 string "if (res == NULL) {",
adamc@377 2842 newline,
adamc@377 2843 box [string "PQfinish(conn);",
adamc@377 2844 newline,
adamc@377 2845 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2846 newline],
adamc@377 2847 string "}",
adamc@377 2848 newline,
adamc@377 2849 newline,
adamc@377 2850 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2851 newline,
adamc@377 2852 box [string "char msg[1024];",
adamc@377 2853 newline,
adamc@377 2854 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2855 newline,
adamc@377 2856 string "msg[1023] = 0;",
adamc@377 2857 newline,
adamc@377 2858 string "PQclear(res);",
adamc@377 2859 newline,
adamc@377 2860 string "PQfinish(conn);",
adamc@377 2861 newline,
adamc@377 2862 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2863 string q,
adamc@377 2864 string "\\n%s\", msg);",
adamc@377 2865 newline],
adamc@377 2866 string "}",
adamc@377 2867 newline,
adamc@377 2868 newline,
adamc@377 2869 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2870 newline,
adamc@377 2871 box [string "PQclear(res);",
adamc@377 2872 newline,
adamc@377 2873 string "PQfinish(conn);",
adamc@377 2874 newline,
adamc@377 2875 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2876 string s,
adamc@377 2877 string "' does not exist.\");",
adamc@377 2878 newline],
adamc@377 2879 string "}",
adamc@377 2880 newline,
adamc@377 2881 newline,
adamc@377 2882 string "PQclear(res);",
adamc@377 2883 newline]
adamc@377 2884 end) sequences,
adamc@377 2885
adamc@275 2886 string "}"]
adamc@432 2887
adamc@432 2888 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@734 2889
adamc@734 2890 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2891
adamc@734 2892 val cookieCode = foldl (fn (cookie, acc) =>
adamc@734 2893 SOME (case acc of
adamc@734 2894 NONE => string ("uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 2895 ^ cookie ^ "\"))")
adamc@734 2896 | SOME acc => box [string ("uw_Basis_strcat(ctx, uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 2897 ^ cookie ^ "\")), uw_Basis_strcat(ctx, \"/\", "),
adamc@734 2898 acc,
adamc@734 2899 string "))"]))
adamc@734 2900 NONE cookies
adamc@29 2901 in
adamc@144 2902 box [string "#include <stdio.h>",
adamc@144 2903 newline,
adamc@144 2904 string "#include <stdlib.h>",
adamc@144 2905 newline,
adamc@272 2906 string "#include <string.h>",
adamc@272 2907 newline,
adamc@390 2908 string "#include <math.h>",
adamc@390 2909 newline,
adamc@432 2910 if hasDb then
adamc@432 2911 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2912 newline]
adamc@432 2913 else
adamc@432 2914 box [],
adamc@144 2915 newline,
adamc@378 2916 string "#include \"",
adamc@378 2917 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2918 file = "urweb.h"}),
adamc@378 2919 string "\"",
adamc@101 2920 newline,
adamc@101 2921 newline,
adamc@101 2922 p_list_sep newline (fn x => x) pds,
adamc@101 2923 newline,
adamc@311 2924 string "int uw_inputs_len = ",
adamc@144 2925 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2926 string ";",
adamc@144 2927 newline,
adamc@673 2928 string "int uw_timeout = ",
adamc@673 2929 string (Int.toString (!timeout)),
adamc@673 2930 string ";",
adamc@673 2931 newline,
adamc@144 2932 newline,
adamc@311 2933 string "int uw_input_num(char *name) {",
adamc@144 2934 newline,
adamc@144 2935 makeSwitch (fnums, 0),
adamc@144 2936 string "}",
adamc@144 2937 newline,
adamc@144 2938 newline,
adamc@734 2939
adamc@734 2940 string "extern void uw_sign(const char *in, char *out);",
adamc@734 2941 newline,
adamc@734 2942 string "extern int uw_hash_blocksize;",
adamc@734 2943 newline,
adamc@734 2944 string "uw_Basis_string uw_cookie_sig(uw_context ctx) {",
adamc@734 2945 newline,
adamc@734 2946 box [string "uw_Basis_string r = uw_malloc(ctx, uw_hash_blocksize);",
adamc@734 2947 newline,
adamc@734 2948 string "uw_sign(",
adamc@734 2949 case cookieCode of
adamc@734 2950 NONE => string "\"\""
adamc@734 2951 | SOME code => code,
adamc@734 2952 string ", r);",
adamc@734 2953 newline,
adamc@734 2954 string "return uw_Basis_makeSigString(ctx, r);",
adamc@734 2955 newline],
adamc@734 2956 string "}",
adamc@734 2957 newline,
adamc@734 2958 newline,
adamc@734 2959
adamc@311 2960 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2961 newline,
adamc@569 2962 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 2963 newline,
adamc@569 2964 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 2965 newline,
adamc@569 2966 string "uw_write(ctx, jslib);",
adamc@569 2967 newline,
adamc@569 2968 string "return;",
adamc@569 2969 newline],
adamc@569 2970 string "}",
adamc@569 2971 newline,
adamc@101 2972 p_list_sep newline (fn x => x) pds',
adamc@101 2973 newline,
adamc@387 2974 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2975 newline,
adamc@101 2976 string "}",
adamc@275 2977 newline,
adamc@275 2978 newline,
adamc@432 2979 if hasDb then
adamc@432 2980 validate
adamc@432 2981 else
adamc@432 2982 box [],
adamc@376 2983 newline,
adamc@376 2984 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2985 box []
adamc@376 2986 else
adamc@376 2987 box [newline,
adamc@376 2988 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2989 newline,
adamc@424 2990 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2991 newline,
adamc@424 2992 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2993 newline,
adamc@424 2994 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@684 2995 newline,
adamc@684 2996 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) { };",
adamc@687 2997 newline,
adamc@687 2998 string "void uw_initializer(uw_context ctx) { };",
adamc@376 2999 newline]]
adamc@29 3000 end
adamc@29 3001
adamc@274 3002 fun p_sql env (ds, _) =
adamc@274 3003 let
adamc@274 3004 val (pps, _) = ListUtil.foldlMap
adamc@274 3005 (fn (dAll as (d, _), env) =>
adamc@274 3006 let
adamc@274 3007 val pp = case d of
adamc@707 3008 DTable (s, xts, pk, csts) =>
adamc@274 3009 box [string "CREATE TABLE ",
adamc@274 3010 string s,
adamc@274 3011 string "(",
adamc@274 3012 p_list (fn (x, t) =>
adamc@311 3013 box [string "uw_",
adamc@275 3014 string (CharVector.map Char.toLower x),
adamc@274 3015 space,
adamc@467 3016 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@707 3017 case (pk, csts) of
adamc@707 3018 ("", []) => box []
adamc@707 3019 | _ => string ",",
adamc@704 3020 cut,
adamc@707 3021 case pk of
adamc@707 3022 "" => box []
adamc@707 3023 | _ => box [string "PRIMARY",
adamc@707 3024 space,
adamc@707 3025 string "KEY",
adamc@707 3026 space,
adamc@707 3027 string "(",
adamc@707 3028 string pk,
adamc@707 3029 string ")",
adamc@707 3030 case csts of
adamc@707 3031 [] => box []
adamc@707 3032 | _ => string ",",
adamc@707 3033 newline],
adamc@704 3034 p_list_sep (box [string ",", newline])
adamc@704 3035 (fn (x, c) =>
adamc@704 3036 box [string "CONSTRAINT",
adamc@704 3037 space,
adamc@704 3038 string s,
adamc@704 3039 string "_",
adamc@704 3040 string x,
adamc@704 3041 space,
adamc@704 3042 string c]) csts,
adamc@704 3043 newline,
adamc@274 3044 string ");",
adamc@274 3045 newline,
adamc@274 3046 newline]
adamc@338 3047 | DSequence s =>
adamc@338 3048 box [string "CREATE SEQUENCE ",
adamc@338 3049 string s,
adamc@338 3050 string ";",
adamc@338 3051 newline,
adamc@338 3052 newline]
adamc@274 3053 | _ => box []
adamc@274 3054 in
adamc@274 3055 (pp, E.declBinds env dAll)
adamc@274 3056 end)
adamc@274 3057 env ds
adamc@274 3058 in
adamc@274 3059 box pps
adamc@274 3060 end
adamc@274 3061
adamc@29 3062 end