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annotate src/cjr_print.sml @ 758:8323c1beef2e

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author Adam Chlipala <adamc@hcoop.net>
date Thu, 30 Apr 2009 11:48:56 -0400
parents fa2019a63ea4
children 67cd8326f743
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@757 105 | TList (_, i) => box [string "struct",
adamc@757 106 space,
adamc@757 107 string "__uws_",
adamc@757 108 string (Int.toString i),
adamc@757 109 string "*"]
adamc@29 110
adamc@29 111 and p_typ env = p_typ' false env
adamc@29 112
adamc@316 113 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 114 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 115
adamc@109 116 fun p_enamed env n =
adamc@316 117 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 118 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 119
adamc@182 120 fun p_con_named env n =
adamc@316 121 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 122 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 123
adamc@182 124 fun p_pat_preamble env (p, _) =
adamc@182 125 case p of
adamc@182 126 PWild => (box [],
adamc@182 127 env)
adamc@182 128 | PVar (x, t) => (box [p_typ env t,
adamc@182 129 space,
adamc@311 130 string "__uwr_",
adamc@316 131 p_ident x,
adamc@182 132 string "_",
adamc@182 133 string (Int.toString (E.countERels env)),
adamc@182 134 string ";",
adamc@182 135 newline],
adamc@196 136 E.pushERel env x t)
adamc@182 137 | PPrim _ => (box [], env)
adamc@188 138 | PCon (_, _, NONE) => (box [], env)
adamc@188 139 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 140 | PRecord xps =>
adamc@182 141 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 142 let
adamc@182 143 val (pp', env) = p_pat_preamble env p
adamc@182 144 in
adamc@182 145 (box [pp', pp], env)
adamc@182 146 end) (box [], env) xps
adamc@288 147 | PNone _ => (box [], env)
adamc@288 148 | PSome (_, p) => p_pat_preamble env p
adamc@182 149
adamc@182 150 fun p_patCon env pc =
adamc@182 151 case pc of
adamc@182 152 PConVar n => p_con_named env n
adamc@316 153 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 154
adamc@757 155 fun p_pat (env, exit, depth) (p, loc) =
adamc@182 156 case p of
adamc@182 157 PWild =>
adamc@182 158 (box [], env)
adamc@182 159 | PVar (x, t) =>
adamc@311 160 (box [string "__uwr_",
adamc@316 161 p_ident x,
adamc@182 162 string "_",
adamc@182 163 string (Int.toString (E.countERels env)),
adamc@182 164 space,
adamc@182 165 string "=",
adamc@182 166 space,
adamc@182 167 string "disc",
adamc@182 168 string (Int.toString depth),
adamc@182 169 string ";"],
adamc@182 170 E.pushERel env x t)
adamc@182 171 | PPrim (Prim.Int n) =>
adamc@182 172 (box [string "if",
adamc@182 173 space,
adamc@182 174 string "(disc",
adamc@182 175 string (Int.toString depth),
adamc@182 176 space,
adamc@182 177 string "!=",
adamc@182 178 space,
adamc@276 179 Prim.p_t_GCC (Prim.Int n),
adamc@182 180 string ")",
adamc@182 181 space,
adamc@182 182 exit],
adamc@182 183 env)
adamc@182 184 | PPrim (Prim.String s) =>
adamc@182 185 (box [string "if",
adamc@182 186 space,
adamc@182 187 string "(strcmp(disc",
adamc@182 188 string (Int.toString depth),
adamc@182 189 string ",",
adamc@182 190 space,
adamc@276 191 Prim.p_t_GCC (Prim.String s),
adamc@182 192 string "))",
adamc@182 193 space,
adamc@182 194 exit],
adamc@182 195 env)
adamc@182 196 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 197
adamc@188 198 | PCon (dk, pc, po) =>
adamc@182 199 let
adamc@182 200 val (p, env) =
adamc@182 201 case po of
adamc@182 202 NONE => (box [], env)
adamc@182 203 | SOME p =>
adamc@182 204 let
adamc@182 205 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 206
adamc@182 207 val (x, to) = case pc of
adamc@182 208 PConVar n =>
adamc@182 209 let
adamc@182 210 val (x, to, _) = E.lookupConstructor env n
adamc@182 211 in
adamc@316 212 ("uw_" ^ ident x, to)
adamc@182 213 end
adamc@188 214 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 215 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 216
adamc@182 217 val t = case to of
adamc@182 218 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 219 | SOME t => t
adamc@182 220 in
adamc@182 221 (box [string "{",
adamc@182 222 newline,
adamc@182 223 p_typ env t,
adamc@182 224 space,
adamc@182 225 string "disc",
adamc@182 226 string (Int.toString (depth + 1)),
adamc@182 227 space,
adamc@182 228 string "=",
adamc@182 229 space,
adamc@198 230 case dk of
adamc@198 231 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 232 | Default => box [string "disc",
adamc@198 233 string (Int.toString depth),
adamc@198 234 string "->data.",
adamc@198 235 string x]
adamc@198 236 | Option =>
adamc@463 237 if isUnboxable t then
adamc@463 238 box [string "disc",
adamc@463 239 string (Int.toString depth)]
adamc@463 240 else
adamc@463 241 box [string "*disc",
adamc@463 242 string (Int.toString depth)],
adamc@182 243 string ";",
adamc@182 244 newline,
adamc@182 245 p,
adamc@182 246 newline,
adamc@182 247 string "}"],
adamc@182 248 env)
adamc@182 249 end
adamc@182 250 in
adamc@182 251 (box [string "if",
adamc@182 252 space,
adamc@182 253 string "(disc",
adamc@182 254 string (Int.toString depth),
adamc@198 255 case (dk, po) of
adamc@198 256 (Enum, _) => box [space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Default, _) => box [string "->tag",
adamc@198 261 space,
adamc@198 262 string "!=",
adamc@198 263 space,
adamc@198 264 p_patCon env pc]
adamc@198 265 | (Option, NONE) => box [space,
adamc@198 266 string "!=",
adamc@198 267 space,
adamc@198 268 string "NULL"]
adamc@198 269 | (Option, SOME _) => box [space,
adamc@198 270 string "==",
adamc@198 271 space,
adamc@198 272 string "NULL"],
adamc@182 273 string ")",
adamc@182 274 space,
adamc@182 275 exit,
adamc@182 276 newline,
adamc@182 277 p],
adamc@182 278 env)
adamc@182 279 end
adamc@182 280
adamc@182 281 | PRecord xps =>
adamc@182 282 let
adamc@182 283 val (xps, env) =
adamc@182 284 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 285 let
adamc@182 286 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 287
adamc@182 288 val p = box [string "{",
adamc@182 289 newline,
adamc@182 290 p_typ env t,
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString (depth + 1)),
adamc@182 294 space,
adamc@182 295 string "=",
adamc@182 296 space,
adamc@182 297 string "disc",
adamc@182 298 string (Int.toString depth),
adamc@311 299 string ".__uwf_",
adamc@316 300 p_ident x,
adamc@182 301 string ";",
adamc@182 302 newline,
adamc@182 303 p,
adamc@182 304 newline,
adamc@182 305 string "}"]
adamc@182 306 in
adamc@182 307 (p, env)
adamc@182 308 end) env xps
adamc@182 309 in
adamc@182 310 (p_list_sep newline (fn x => x) xps,
adamc@182 311 env)
adamc@182 312 end
adamc@182 313
adamc@288 314 | PNone t =>
adamc@288 315 (box [string "if",
adamc@288 316 space,
adamc@288 317 string "(disc",
adamc@288 318 string (Int.toString depth),
adamc@288 319 space,
adamc@288 320 string "!=",
adamc@288 321 space,
adamc@288 322 string "NULL)",
adamc@288 323 space,
adamc@288 324 exit,
adamc@288 325 newline],
adamc@288 326 env)
adamc@288 327
adamc@288 328 | PSome (t, p) =>
adamc@288 329 let
adamc@288 330 val (p, env) =
adamc@288 331 let
adamc@288 332 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 333 in
adamc@288 334 (box [string "{",
adamc@288 335 newline,
adamc@288 336 p_typ env t,
adamc@288 337 space,
adamc@288 338 string "disc",
adamc@288 339 string (Int.toString (depth + 1)),
adamc@288 340 space,
adamc@288 341 string "=",
adamc@288 342 space,
adamc@463 343 if isUnboxable t then
adamc@463 344 box [string "disc",
adamc@463 345 string (Int.toString depth)]
adamc@463 346 else
adamc@463 347 box [string "*disc",
adamc@463 348 string (Int.toString depth)],
adamc@288 349 string ";",
adamc@288 350 newline,
adamc@288 351 p,
adamc@288 352 newline,
adamc@288 353 string "}"],
adamc@288 354 env)
adamc@288 355 end
adamc@288 356 in
adamc@288 357 (box [string "if",
adamc@288 358 space,
adamc@288 359 string "(disc",
adamc@288 360 string (Int.toString depth),
adamc@288 361 space,
adamc@288 362 string "==",
adamc@288 363 space,
adamc@288 364 string "NULL)",
adamc@288 365 space,
adamc@288 366 exit,
adamc@288 367 newline,
adamc@288 368 p],
adamc@288 369 env)
adamc@288 370 end
adamc@288 371
adamc@182 372 local
adamc@182 373 val count = ref 0
adamc@182 374 in
adamc@182 375 fun newGoto () =
adamc@182 376 let
adamc@182 377 val r = !count
adamc@182 378 in
adamc@182 379 count := r + 1;
adamc@182 380 string ("L" ^ Int.toString r)
adamc@182 381 end
adamc@182 382 end
adamc@182 383
adamc@185 384 fun patConInfo env pc =
adamc@185 385 case pc of
adamc@185 386 PConVar n =>
adamc@185 387 let
adamc@185 388 val (x, _, dn) = E.lookupConstructor env n
adamc@185 389 val (dx, _) = E.lookupDatatype env dn
adamc@185 390 in
adamc@316 391 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 392 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 393 "uw_" ^ ident x)
adamc@185 394 end
adamc@186 395 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 396 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 397 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 398 "uw_" ^ ident con)
adamc@185 399
adamc@743 400 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e eLen =
adamc@278 401 case t of
adamc@311 402 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 403 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 404 | TFfi ("Basis", "string") =>
adamc@324 405 if wontLeakStrings then
adamc@324 406 e
adamc@324 407 else
adamc@737 408 box [string "uw_strdup(ctx, ", e, string ")"]
adamc@311 409 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 410 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@743 411 | TFfi ("Basis", "blob") => box [string "uw_Basis_stringToBlob_error(ctx, ",
adamc@743 412 e,
adamc@743 413 string ", ",
adamc@743 414 eLen,
adamc@743 415 string ")"]
adamc@678 416 | TFfi ("Basis", "channel") => box [string "uw_Basis_stringToChannel_error(ctx, ", e, string ")"]
adamc@682 417 | TFfi ("Basis", "client") => box [string "uw_Basis_stringToClient_error(ctx, ", e, string ")"]
adamc@467 418
adamc@278 419 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 420 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 421 string "ERROR")
adamc@278 422
adamc@467 423 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 424 case t of
adamc@467 425 TOption t =>
adamc@747 426 box [string "(PQgetisnull(res, i, ",
adamc@467 427 string (Int.toString i),
adamc@467 428 string ") ? NULL : ",
adamc@467 429 case t of
adamc@467 430 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 431 | _ => box [string "({",
adamc@467 432 newline,
adamc@467 433 p_typ env t,
adamc@467 434 space,
adamc@467 435 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 436 p_typ env t,
adamc@467 437 string "));",
adamc@467 438 newline,
adamc@467 439 string "*tmp = ",
adamc@467 440 p_getcol wontLeakStrings env t i,
adamc@467 441 string ";",
adamc@467 442 newline,
adamc@467 443 string "tmp;",
adamc@467 444 newline,
adamc@467 445 string "})"],
adamc@467 446 string ")"]
adamc@467 447 | _ =>
adamc@747 448 box [string "(PQgetisnull(res, i, ",
adamc@747 449 string (Int.toString i),
adamc@747 450 string ") ? ",
adamc@747 451 box [string "({",
adamc@747 452 p_typ env tAll,
adamc@747 453 space,
adamc@747 454 string "tmp;",
adamc@747 455 newline,
adamc@747 456 string "uw_error(ctx, FATAL, \"Unexpectedly NULL field #",
adamc@747 457 string (Int.toString i),
adamc@747 458 string "\");",
adamc@747 459 newline,
adamc@747 460 string "tmp;",
adamc@747 461 newline,
adamc@747 462 string "})"],
adamc@747 463 string " : ",
adamc@747 464 p_unsql wontLeakStrings env tAll
adamc@747 465 (box [string "PQgetvalue(res, i, ",
adamc@747 466 string (Int.toString i),
adamc@747 467 string ")"])
adamc@747 468 (box [string "PQgetlength(res, i, ",
adamc@747 469 string (Int.toString i),
adamc@747 470 string ")"]),
adamc@747 471 string ")"]
adamc@467 472
adamc@282 473 datatype sql_type =
adamc@282 474 Int
adamc@282 475 | Float
adamc@282 476 | String
adamc@282 477 | Bool
adamc@439 478 | Time
adamc@737 479 | Blob
adamc@678 480 | Channel
adamc@682 481 | Client
adamc@467 482 | Nullable of sql_type
adamc@282 483
adamc@737 484 fun isBlob Blob = true
adamc@737 485 | isBlob (Nullable t) = isBlob t
adamc@737 486 | isBlob _ = false
adamc@737 487
adamc@739 488 fun isFile (t : typ) =
adamc@737 489 case #1 t of
adamc@739 490 TFfi ("Basis", "file") => true
adamc@737 491 | _ => false
adamc@737 492
adamc@467 493 fun p_sql_type' t =
adamc@467 494 case t of
adamc@467 495 Int => "uw_Basis_int"
adamc@467 496 | Float => "uw_Basis_float"
adamc@467 497 | String => "uw_Basis_string"
adamc@467 498 | Bool => "uw_Basis_bool"
adamc@467 499 | Time => "uw_Basis_time"
adamc@737 500 | Blob => "uw_Basis_blob"
adamc@678 501 | Channel => "uw_Basis_channel"
adamc@682 502 | Client => "uw_Basis_client"
adamc@467 503 | Nullable String => "uw_Basis_string"
adamc@467 504 | Nullable t => p_sql_type' t ^ "*"
adamc@467 505
adamc@467 506 fun p_sql_type t = string (p_sql_type' t)
adamc@282 507
adamc@282 508 fun getPargs (e, _) =
adamc@282 509 case e of
adamc@282 510 EPrim (Prim.String _) => []
adamc@282 511 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 512
adamc@282 513 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 514 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 515 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 516 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 517 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@737 518 | EFfiApp ("Basis", "sqlifyBlob", [e]) => [(e, Blob)]
adamc@678 519 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@682 520 | EFfiApp ("Basis", "sqlifyClient", [e]) => [(e, Client)]
adamc@468 521
adamc@678 522 | ECase (e,
adamc@678 523 [((PNone _, _),
adamc@678 524 (EPrim (Prim.String "NULL"), _)),
adamc@678 525 ((PSome (_, (PVar _, _)), _),
adamc@678 526 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 527 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 528
adamc@491 529 | ECase (e,
adamc@491 530 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 531 (EPrim (Prim.String "TRUE"), _)),
adamc@491 532 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 533 (EPrim (Prim.String "FALSE"), _))],
adamc@491 534 _) => [(e, Bool)]
adamc@282 535
adamc@282 536 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 537
adamc@282 538 fun p_ensql t e =
adamc@282 539 case t of
adamc@311 540 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 541 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 542 | String => e
adamc@295 543 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@682 544 | Time => box [string "uw_Basis_attrifyTime(ctx, ", e, string ")"]
adamc@737 545 | Blob => box [e, string ".data"]
adamc@678 546 | Channel => box [string "uw_Basis_attrifyChannel(ctx, ", e, string ")"]
adamc@682 547 | Client => box [string "uw_Basis_attrifyClient(ctx, ", e, string ")"]
adamc@467 548 | Nullable String => e
adamc@467 549 | Nullable t => box [string "(",
adamc@467 550 e,
adamc@467 551 string " == NULL ? NULL : ",
adamc@743 552 p_ensql t (box [string "(*", e, string ")"]),
adamc@467 553 string ")"]
adamc@282 554
adamc@324 555 fun notLeaky env allowHeapAllocated =
adamc@324 556 let
adamc@638 557 fun nl ok (t, _) =
adamc@324 558 case t of
adamc@324 559 TFun _ => false
adamc@324 560 | TRecord n =>
adamc@324 561 let
adamc@324 562 val xts = E.lookupStruct env n
adamc@324 563 in
adamc@638 564 List.all (fn (_, t) => nl ok t) xts
adamc@324 565 end
adamc@638 566 | TDatatype (dk, n, ref cons) =>
adamc@638 567 IS.member (ok, n)
adamc@638 568 orelse
adamc@638 569 ((allowHeapAllocated orelse dk = Enum)
adamc@638 570 andalso
adamc@638 571 let
adamc@638 572 val ok' = IS.add (ok, n)
adamc@638 573 in
adamc@638 574 List.all (fn (_, _, to) => case to of
adamc@638 575 NONE => true
adamc@638 576 | SOME t => nl ok' t) cons
adamc@638 577 end)
adamc@324 578 | TFfi ("Basis", "string") => false
adamc@742 579 | TFfi ("Basis", "blob") => allowHeapAllocated
adamc@324 580 | TFfi _ => true
adamc@638 581 | TOption t => allowHeapAllocated andalso nl ok t
adamc@757 582 | TList (t, _) => allowHeapAllocated andalso nl ok t
adamc@324 583 in
adamc@638 584 nl IS.empty
adamc@324 585 end
adamc@324 586
adamc@463 587 fun capitalize s =
adamc@463 588 if s = "" then
adamc@463 589 ""
adamc@463 590 else
adamc@463 591 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 592
adamc@463 593 fun unurlify env (t, loc) =
adamc@463 594 let
adamc@463 595 fun unurlify' rf t =
adamc@463 596 case t of
adamc@463 597 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 598 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 599
adamc@463 600 | TRecord 0 => string "uw_unit_v"
adamc@463 601 | TRecord i =>
adamc@463 602 let
adamc@463 603 val xts = E.lookupStruct env i
adamc@463 604 in
adamc@463 605 box [string "({",
adamc@463 606 newline,
adamc@463 607 box (map (fn (x, t) =>
adamc@463 608 box [p_typ env t,
adamc@463 609 space,
adamc@463 610 string "uwr_",
adamc@463 611 string x,
adamc@463 612 space,
adamc@463 613 string "=",
adamc@463 614 space,
adamc@463 615 unurlify' rf (#1 t),
adamc@463 616 string ";",
adamc@463 617 newline]) xts),
adamc@463 618 string "struct",
adamc@463 619 space,
adamc@463 620 string "__uws_",
adamc@463 621 string (Int.toString i),
adamc@463 622 space,
adamc@463 623 string "tmp",
adamc@463 624 space,
adamc@463 625 string "=",
adamc@463 626 space,
adamc@463 627 string "{",
adamc@463 628 space,
adamc@463 629 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 630 string x]) xts,
adamc@463 631 space,
adamc@463 632 string "};",
adamc@463 633 newline,
adamc@463 634 string "tmp;",
adamc@463 635 newline,
adamc@463 636 string "})"]
adamc@463 637 end
adamc@463 638
adamc@463 639 | TDatatype (Enum, i, _) =>
adamc@463 640 let
adamc@463 641 val (x, xncs) = E.lookupDatatype env i
adamc@463 642
adamc@463 643 fun doEm xncs =
adamc@463 644 case xncs of
adamc@463 645 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 646 ^ x ^ "\"), (enum __uwe_"
adamc@463 647 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 648 | (x', n, to) :: rest =>
adamc@463 649 box [string "((!strncmp(request, \"",
adamc@463 650 string x',
adamc@463 651 string "\", ",
adamc@463 652 string (Int.toString (size x')),
adamc@463 653 string ") && (request[",
adamc@463 654 string (Int.toString (size x')),
adamc@463 655 string "] == 0 || request[",
adamc@463 656 string (Int.toString (size x')),
adamc@463 657 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 658 space,
adamc@463 659 string ":",
adamc@463 660 space,
adamc@463 661 doEm rest,
adamc@463 662 string ")"]
adamc@463 663 in
adamc@463 664 doEm xncs
adamc@463 665 end
adamc@463 666
adamc@463 667 | TDatatype (Option, i, xncs) =>
adamc@463 668 if IS.member (rf, i) then
adamc@463 669 box [string "unurlify_",
adamc@463 670 string (Int.toString i),
adamc@463 671 string "()"]
adamc@463 672 else
adamc@463 673 let
adamc@463 674 val (x, _) = E.lookupDatatype env i
adamc@463 675
adamc@463 676 val (no_arg, has_arg, t) =
adamc@463 677 case !xncs of
adamc@463 678 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 679 (no_arg, has_arg, t)
adamc@463 680 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 681 (no_arg, has_arg, t)
adamc@463 682 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 683
adamc@463 684 val rf = IS.add (rf, i)
adamc@463 685 in
adamc@463 686 box [string "({",
adamc@463 687 space,
adamc@463 688 p_typ env t,
adamc@463 689 space,
adamc@463 690 string "*unurlify_",
adamc@463 691 string (Int.toString i),
adamc@463 692 string "(void) {",
adamc@463 693 newline,
adamc@463 694 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 695 newline,
adamc@463 696 string "((!strncmp(request, \"",
adamc@463 697 string no_arg,
adamc@463 698 string "\", ",
adamc@463 699 string (Int.toString (size no_arg)),
adamc@463 700 string ") && (request[",
adamc@463 701 string (Int.toString (size no_arg)),
adamc@463 702 string "] == 0 || request[",
adamc@463 703 string (Int.toString (size no_arg)),
adamc@463 704 string "] == '/')) ? (request",
adamc@463 705 space,
adamc@463 706 string "+=",
adamc@463 707 space,
adamc@463 708 string (Int.toString (size no_arg)),
adamc@463 709 string ", NULL) : ((!strncmp(request, \"",
adamc@463 710 string has_arg,
adamc@463 711 string "\", ",
adamc@463 712 string (Int.toString (size has_arg)),
adamc@463 713 string ") && (request[",
adamc@463 714 string (Int.toString (size has_arg)),
adamc@463 715 string "] == 0 || request[",
adamc@463 716 string (Int.toString (size has_arg)),
adamc@463 717 string "] == '/')) ? (request",
adamc@463 718 space,
adamc@463 719 string "+=",
adamc@463 720 space,
adamc@463 721 string (Int.toString (size has_arg)),
adamc@463 722 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 723 newline,
adamc@463 724
adamc@463 725 if isUnboxable t then
adamc@463 726 unurlify' rf (#1 t)
adamc@463 727 else
adamc@463 728 box [string "({",
adamc@463 729 newline,
adamc@463 730 p_typ env t,
adamc@463 731 space,
adamc@463 732 string "*tmp",
adamc@463 733 space,
adamc@463 734 string "=",
adamc@463 735 space,
adamc@463 736 string "uw_malloc(ctx, sizeof(",
adamc@463 737 p_typ env t,
adamc@463 738 string "));",
adamc@463 739 newline,
adamc@463 740 string "*tmp",
adamc@463 741 space,
adamc@463 742 string "=",
adamc@463 743 space,
adamc@463 744 unurlify' rf (#1 t),
adamc@463 745 string ";",
adamc@463 746 newline,
adamc@463 747 string "tmp;",
adamc@463 748 newline,
adamc@463 749 string "})"],
adamc@463 750 string ")",
adamc@463 751 newline,
adamc@463 752 string ":",
adamc@463 753 space,
adamc@463 754 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 755 ^ "\"), NULL))));"),
adamc@463 756 newline],
adamc@463 757 string "}",
adamc@463 758 newline,
adamc@463 759 newline,
adamc@463 760
adamc@463 761 string "unurlify_",
adamc@463 762 string (Int.toString i),
adamc@463 763 string "();",
adamc@463 764 newline,
adamc@463 765 string "})"]
adamc@463 766 end
adamc@463 767
adamc@463 768 | TDatatype (Default, i, _) =>
adamc@463 769 if IS.member (rf, i) then
adamc@463 770 box [string "unurlify_",
adamc@463 771 string (Int.toString i),
adamc@463 772 string "()"]
adamc@463 773 else
adamc@463 774 let
adamc@463 775 val (x, xncs) = E.lookupDatatype env i
adamc@463 776
adamc@463 777 val rf = IS.add (rf, i)
adamc@463 778
adamc@463 779 fun doEm xncs =
adamc@463 780 case xncs of
adamc@463 781 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 782 ^ x ^ "\"), NULL)")
adamc@463 783 | (x', n, to) :: rest =>
adamc@463 784 box [string "((!strncmp(request, \"",
adamc@463 785 string x',
adamc@463 786 string "\", ",
adamc@463 787 string (Int.toString (size x')),
adamc@463 788 string ") && (request[",
adamc@463 789 string (Int.toString (size x')),
adamc@463 790 string "] == 0 || request[",
adamc@463 791 string (Int.toString (size x')),
adamc@463 792 string "] == '/')) ? ({",
adamc@463 793 newline,
adamc@463 794 string "struct",
adamc@463 795 space,
adamc@463 796 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 797 space,
adamc@463 798 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 799 string x,
adamc@463 800 string "_",
adamc@463 801 string (Int.toString i),
adamc@463 802 string "));",
adamc@463 803 newline,
adamc@463 804 string "tmp->tag",
adamc@463 805 space,
adamc@463 806 string "=",
adamc@463 807 space,
adamc@463 808 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 809 string ";",
adamc@463 810 newline,
adamc@463 811 string "request",
adamc@463 812 space,
adamc@463 813 string "+=",
adamc@463 814 space,
adamc@463 815 string (Int.toString (size x')),
adamc@463 816 string ";",
adamc@463 817 newline,
adamc@463 818 string "if (request[0] == '/') ++request;",
adamc@463 819 newline,
adamc@463 820 case to of
adamc@463 821 NONE => box []
adamc@463 822 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 823 p_ident x',
adamc@463 824 space,
adamc@463 825 string "=",
adamc@463 826 space,
adamc@463 827 unurlify' rf t,
adamc@463 828 string ";",
adamc@463 829 newline],
adamc@463 830 string "tmp;",
adamc@463 831 newline,
adamc@463 832 string "})",
adamc@463 833 space,
adamc@463 834 string ":",
adamc@463 835 space,
adamc@463 836 doEm rest,
adamc@463 837 string ")"]
adamc@463 838 in
adamc@463 839 box [string "({",
adamc@463 840 space,
adamc@463 841 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 842 space,
adamc@463 843 string "unurlify_",
adamc@463 844 string (Int.toString i),
adamc@463 845 string "(void) {",
adamc@463 846 newline,
adamc@463 847 box [string "return",
adamc@463 848 space,
adamc@463 849 doEm xncs,
adamc@463 850 string ";",
adamc@463 851 newline],
adamc@463 852 string "}",
adamc@463 853 newline,
adamc@463 854 newline,
adamc@463 855
adamc@463 856 string "unurlify_",
adamc@463 857 string (Int.toString i),
adamc@463 858 string "();",
adamc@463 859 newline,
adamc@463 860 string "})"]
adamc@463 861 end
adamc@463 862
adamc@758 863 | TList (t', i) =>
adamc@758 864 if IS.member (rf, i) then
adamc@758 865 box [string "unurlify_list_",
adamc@758 866 string (Int.toString i),
adamc@758 867 string "()"]
adamc@758 868 else
adamc@758 869 let
adamc@758 870 val rf = IS.add (rf, i)
adamc@758 871 in
adamc@758 872 box [string "({",
adamc@758 873 space,
adamc@758 874 p_typ env (t, loc),
adamc@758 875 space,
adamc@758 876 string "unurlify_list_",
adamc@758 877 string (Int.toString i),
adamc@758 878 string "(void) {",
adamc@758 879 newline,
adamc@758 880 box [string "return (request[0] == '/' ? ++request : request,",
adamc@758 881 newline,
adamc@758 882 string "((!strncmp(request, \"Nil\", 3) && (request[3] == 0 ",
adamc@758 883 string "|| request[3] == '/')) ? (request",
adamc@758 884 space,
adamc@758 885 string "+=",
adamc@758 886 space,
adamc@758 887 string "3, NULL) : ((!strncmp(request, \"Cons\", 4) && (request[4] == 0 ",
adamc@758 888 string "|| request[4] == '/')) ? (request",
adamc@758 889 space,
adamc@758 890 string "+=",
adamc@758 891 space,
adamc@758 892 string "4, (request[0] == '/' ? ++request : NULL), ",
adamc@758 893 newline,
adamc@758 894
adamc@758 895 string "({",
adamc@758 896 newline,
adamc@758 897 p_typ env (t, loc),
adamc@758 898 space,
adamc@758 899 string "tmp",
adamc@758 900 space,
adamc@758 901 string "=",
adamc@758 902 space,
adamc@758 903 string "uw_malloc(ctx, sizeof(struct __uws_",
adamc@758 904 string (Int.toString i),
adamc@758 905 string "));",
adamc@758 906 newline,
adamc@758 907 string "*tmp",
adamc@758 908 space,
adamc@758 909 string "=",
adamc@758 910 space,
adamc@758 911 unurlify' rf (TRecord i),
adamc@758 912 string ";",
adamc@758 913 newline,
adamc@758 914 string "tmp;",
adamc@758 915 newline,
adamc@758 916 string "})",
adamc@758 917 string ")",
adamc@758 918 newline,
adamc@758 919 string ":",
adamc@758 920 space,
adamc@758 921 string ("(uw_error(ctx, FATAL, \"Error unurlifying list\"), NULL))));"),
adamc@758 922 newline],
adamc@758 923 string "}",
adamc@758 924 newline,
adamc@758 925 newline,
adamc@758 926
adamc@758 927 string "unurlify_list_",
adamc@758 928 string (Int.toString i),
adamc@758 929 string "();",
adamc@758 930 newline,
adamc@758 931 string "})"]
adamc@758 932 end
adamc@758 933
adamc@471 934 | TOption t =>
adamc@471 935 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 936 string "((!strncmp(request, \"None\", 4) ",
adamc@471 937 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 938 string "? (request += 4, NULL) ",
adamc@471 939 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 940 string "&& request[4] == '/') ",
adamc@471 941 string "? (request += 5, ",
adamc@471 942 if isUnboxable t then
adamc@471 943 unurlify' rf (#1 t)
adamc@471 944 else
adamc@471 945 box [string "({",
adamc@471 946 newline,
adamc@471 947 p_typ env t,
adamc@471 948 space,
adamc@471 949 string "*tmp",
adamc@471 950 space,
adamc@471 951 string "=",
adamc@471 952 space,
adamc@471 953 string "uw_malloc(ctx, sizeof(",
adamc@471 954 p_typ env t,
adamc@471 955 string "));",
adamc@471 956 newline,
adamc@471 957 string "*tmp",
adamc@471 958 space,
adamc@471 959 string "=",
adamc@471 960 space,
adamc@471 961 unurlify' rf (#1 t),
adamc@471 962 string ";",
adamc@471 963 newline,
adamc@471 964 string "tmp;",
adamc@471 965 newline,
adamc@471 966 string "})"],
adamc@471 967 string ") :",
adamc@471 968 space,
adamc@471 969 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 970
adamc@463 971 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 972 space)
adamc@463 973 in
adamc@463 974 unurlify' IS.empty t
adamc@463 975 end
adamc@463 976
adamc@610 977 fun urlify env t =
adamc@610 978 let
adamc@610 979 fun urlify' rf level (t as (_, loc)) =
adamc@610 980 case #1 t of
adamc@610 981 TFfi ("Basis", "unit") => box []
adamc@610 982 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 983 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 984 newline]
adamc@610 985
adamc@610 986 | TRecord 0 => box []
adamc@610 987 | TRecord i =>
adamc@610 988 let
adamc@611 989 fun empty (t, _) =
adamc@611 990 case t of
adamc@611 991 TFfi ("Basis", "unit") => true
adamc@611 992 | TRecord 0 => true
adamc@611 993 | TRecord j =>
adamc@611 994 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 995 | _ => false
adamc@611 996
adamc@610 997 val xts = E.lookupStruct env i
adamc@611 998
adamc@613 999 val (blocks, _) = foldl
adamc@613 1000 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 1001 let
adamc@613 1002 val thisEmpty = empty t
adamc@613 1003 in
adamc@613 1004 if thisEmpty then
adamc@613 1005 (blocks, printingSinceLastSlash)
adamc@613 1006 else
adamc@613 1007 (box [string "{",
adamc@613 1008 newline,
adamc@613 1009 p_typ env t,
adamc@613 1010 space,
adamc@613 1011 string ("it" ^ Int.toString (level + 1)),
adamc@613 1012 space,
adamc@613 1013 string "=",
adamc@613 1014 space,
adamc@613 1015 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 1016 newline,
adamc@613 1017 box (if printingSinceLastSlash then
adamc@613 1018 [string "uw_write(ctx, \"/\");",
adamc@613 1019 newline]
adamc@613 1020 else
adamc@613 1021 []),
adamc@613 1022 urlify' rf (level + 1) t,
adamc@613 1023 string "}",
adamc@613 1024 newline] :: blocks,
adamc@613 1025 true)
adamc@613 1026 end)
adamc@613 1027 ([], false) xts
adamc@610 1028 in
adamc@613 1029 box (rev blocks)
adamc@610 1030 end
adamc@610 1031
adamc@638 1032 | TDatatype (Enum, i, _) =>
adamc@638 1033 let
adamc@610 1034 val (x, xncs) = E.lookupDatatype env i
adamc@610 1035
adamc@610 1036 fun doEm xncs =
adamc@610 1037 case xncs of
adamc@638 1038 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 1039 ^ x ^ "\");"),
adamc@638 1040 newline]
adamc@610 1041 | (x', n, to) :: rest =>
adamc@638 1042 box [string ("if (it" ^ Int.toString level
adamc@638 1043 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 1044 newline,
adamc@638 1045 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 1046 newline],
adamc@638 1047 string "} else {",
adamc@638 1048 newline,
adamc@638 1049 box [doEm rest,
adamc@638 1050 newline],
adamc@638 1051 string "}"]
adamc@610 1052 in
adamc@610 1053 doEm xncs
adamc@638 1054 end
adamc@610 1055
adamc@639 1056 | TDatatype (Option, i, xncs) =>
adamc@639 1057 if IS.member (rf, i) then
adamc@639 1058 box [string "urlify_",
adamc@610 1059 string (Int.toString i),
adamc@639 1060 string "(it",
adamc@639 1061 string (Int.toString level),
adamc@639 1062 string ");",
adamc@639 1063 newline]
adamc@610 1064 else
adamc@610 1065 let
adamc@610 1066 val (x, _) = E.lookupDatatype env i
adamc@610 1067
adamc@610 1068 val (no_arg, has_arg, t) =
adamc@610 1069 case !xncs of
adamc@610 1070 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 1071 (no_arg, has_arg, t)
adamc@610 1072 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 1073 (no_arg, has_arg, t)
adamc@639 1074 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 1075
adamc@610 1076 val rf = IS.add (rf, i)
adamc@610 1077 in
adamc@610 1078 box [string "({",
adamc@610 1079 space,
adamc@639 1080 string "void",
adamc@639 1081 space,
adamc@639 1082 string "urlify_",
adamc@639 1083 string (Int.toString i),
adamc@639 1084 string "(",
adamc@610 1085 p_typ env t,
adamc@610 1086 space,
adamc@639 1087 if isUnboxable t then
adamc@639 1088 box []
adamc@639 1089 else
adamc@639 1090 string "*",
adamc@639 1091 string "it0) {",
adamc@610 1092 newline,
adamc@639 1093 box [string "if (it0) {",
adamc@639 1094 if isUnboxable t then
adamc@639 1095 urlify' rf 0 t
adamc@610 1096 else
adamc@639 1097 box [p_typ env t,
adamc@610 1098 space,
adamc@639 1099 string "it1",
adamc@610 1100 space,
adamc@610 1101 string "=",
adamc@610 1102 space,
adamc@639 1103 string "*it0;",
adamc@610 1104 newline,
adamc@639 1105 string "uw_write(ctx, \"",
adamc@639 1106 string has_arg,
adamc@639 1107 string "/\");",
adamc@639 1108 newline,
adamc@639 1109 urlify' rf 1 t,
adamc@610 1110 string ";",
adamc@639 1111 newline],
adamc@639 1112 string "} else {",
adamc@639 1113 box [string "uw_write(ctx, \"",
adamc@639 1114 string no_arg,
adamc@639 1115 string "\");",
adamc@639 1116 newline],
adamc@639 1117 string "}",
adamc@610 1118 newline],
adamc@610 1119 string "}",
adamc@610 1120 newline,
adamc@610 1121 newline,
adamc@610 1122
adamc@639 1123 string "urlify_",
adamc@610 1124 string (Int.toString i),
adamc@639 1125 string "(it",
adamc@639 1126 string (Int.toString level),
adamc@639 1127 string ");",
adamc@610 1128 newline,
adamc@639 1129 string "});",
adamc@639 1130 newline]
adamc@639 1131 end
adamc@610 1132
adamc@640 1133 | TDatatype (Default, i, _) =>
adamc@640 1134 if IS.member (rf, i) then
adamc@640 1135 box [string "urlify_",
adamc@610 1136 string (Int.toString i),
adamc@640 1137 string "(it",
adamc@640 1138 string (Int.toString level),
adamc@640 1139 string ");",
adamc@640 1140 newline]
adamc@610 1141 else
adamc@610 1142 let
adamc@610 1143 val (x, xncs) = E.lookupDatatype env i
adamc@610 1144
adamc@610 1145 val rf = IS.add (rf, i)
adamc@610 1146
adamc@610 1147 fun doEm xncs =
adamc@610 1148 case xncs of
adamc@640 1149 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1150 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1151 newline]
adamc@610 1152 | (x', n, to) :: rest =>
adamc@640 1153 box [string "if",
adamc@610 1154 space,
adamc@640 1155 string "(it0->tag==__uwc_",
adamc@640 1156 string (ident x'),
adamc@610 1157 string "_",
adamc@640 1158 string (Int.toString n),
adamc@640 1159 string ") {",
adamc@610 1160 newline,
adamc@610 1161 case to of
adamc@640 1162 NONE => box [string "uw_write(ctx, \"",
adamc@640 1163 string x',
adamc@640 1164 string "\");",
adamc@640 1165 newline]
adamc@640 1166 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1167 string x',
adamc@640 1168 string "/\");",
adamc@640 1169 newline,
adamc@640 1170 p_typ env t,
adamc@640 1171 space,
adamc@640 1172 string "it1",
adamc@640 1173 space,
adamc@640 1174 string "=",
adamc@640 1175 space,
adamc@640 1176 string "it0->data.uw_",
adamc@640 1177 string x',
adamc@640 1178 string ";",
adamc@640 1179 newline,
adamc@640 1180 urlify' rf 1 t,
adamc@640 1181 newline],
adamc@640 1182 string "} else {",
adamc@610 1183 newline,
adamc@640 1184 box [doEm rest,
adamc@640 1185 newline],
adamc@640 1186 string "}",
adamc@640 1187 newline]
adamc@610 1188 in
adamc@610 1189 box [string "({",
adamc@610 1190 space,
adamc@640 1191 string "void",
adamc@610 1192 space,
adamc@640 1193 string "urlify_",
adamc@610 1194 string (Int.toString i),
adamc@640 1195 string "(",
adamc@640 1196 p_typ env t,
adamc@640 1197 space,
adamc@640 1198 string "it0) {",
adamc@610 1199 newline,
adamc@640 1200 box [doEm xncs,
adamc@610 1201 newline],
adamc@640 1202 newline,
adamc@610 1203 string "}",
adamc@610 1204 newline,
adamc@640 1205
adamc@640 1206 string "urlify_",
adamc@640 1207 string (Int.toString i),
adamc@640 1208 string "(it",
adamc@640 1209 string (Int.toString level),
adamc@640 1210 string ");",
adamc@610 1211 newline,
adamc@640 1212 string "});",
adamc@640 1213 newline]
adamc@640 1214 end
adamc@610 1215
adamc@641 1216 | TOption t =>
adamc@641 1217 box [string "if (it",
adamc@641 1218 string (Int.toString level),
adamc@641 1219 string ") {",
adamc@641 1220 if isUnboxable t then
adamc@641 1221 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1222 newline,
adamc@641 1223 urlify' rf level t]
adamc@610 1224 else
adamc@641 1225 box [p_typ env t,
adamc@610 1226 space,
adamc@641 1227 string "it",
adamc@641 1228 string (Int.toString (level + 1)),
adamc@610 1229 space,
adamc@610 1230 string "=",
adamc@610 1231 space,
adamc@641 1232 string "*it",
adamc@641 1233 string (Int.toString level),
adamc@610 1234 string ";",
adamc@610 1235 newline,
adamc@641 1236 string "uw_write(ctx, \"Some/\");",
adamc@610 1237 newline,
adamc@641 1238 urlify' rf (level + 1) t,
adamc@641 1239 string ";",
adamc@641 1240 newline],
adamc@641 1241 string "} else {",
adamc@641 1242 box [string "uw_write(ctx, \"None\");",
adamc@641 1243 newline],
adamc@641 1244 string "}",
adamc@641 1245 newline]
adamc@610 1246
adamc@610 1247 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1248 space)
adamc@610 1249 in
adamc@610 1250 urlify' IS.empty 0 t
adamc@610 1251 end
adamc@610 1252
adamc@673 1253 val timeout = ref 0
adamc@673 1254
adamc@182 1255 fun p_exp' par env (e, loc) =
adamc@29 1256 case e of
adamc@276 1257 EPrim p => Prim.p_t_GCC p
adamc@29 1258 | ERel n => p_rel env n
adamc@109 1259 | ENamed n => p_enamed env n
adamc@188 1260 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1261 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1262 | ECon (Option, pc, SOME e) =>
adamc@198 1263 let
adamc@198 1264 val to = case pc of
adamc@198 1265 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1266 | PConFfi {arg, ...} => arg
adamc@198 1267
adamc@198 1268 val t = case to of
adamc@198 1269 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1270 | SOME t => t
adamc@198 1271 in
adamc@463 1272 if isUnboxable t then
adamc@463 1273 p_exp' par env e
adamc@463 1274 else
adamc@463 1275 box [string "({",
adamc@463 1276 newline,
adamc@463 1277 p_typ env t,
adamc@463 1278 space,
adamc@463 1279 string "*tmp",
adamc@463 1280 space,
adamc@463 1281 string "=",
adamc@463 1282 space,
adamc@463 1283 string "uw_malloc(ctx, sizeof(",
adamc@463 1284 p_typ env t,
adamc@463 1285 string "));",
adamc@463 1286 newline,
adamc@463 1287 string "*tmp",
adamc@463 1288 space,
adamc@463 1289 string "=",
adamc@463 1290 p_exp' par env e,
adamc@463 1291 string ";",
adamc@463 1292 newline,
adamc@463 1293 string "tmp;",
adamc@463 1294 newline,
adamc@463 1295 string "})"]
adamc@198 1296 end
adamc@188 1297 | ECon (Default, pc, eo) =>
adamc@181 1298 let
adamc@196 1299 val (xd, xc, xn) = patConInfo env pc
adamc@181 1300 in
adamc@182 1301 box [string "({",
adamc@181 1302 newline,
adamc@181 1303 string "struct",
adamc@181 1304 space,
adamc@185 1305 string xd,
adamc@181 1306 space,
adamc@181 1307 string "*tmp",
adamc@181 1308 space,
adamc@181 1309 string "=",
adamc@181 1310 space,
adamc@311 1311 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1312 string xd,
adamc@181 1313 string "));",
adamc@181 1314 newline,
adamc@181 1315 string "tmp->tag",
adamc@181 1316 space,
adamc@181 1317 string "=",
adamc@181 1318 space,
adamc@185 1319 string xc,
adamc@181 1320 string ";",
adamc@181 1321 newline,
adamc@181 1322 case eo of
adamc@181 1323 NONE => box []
adamc@185 1324 | SOME e => box [string "tmp->data.",
adamc@196 1325 string xn,
adamc@181 1326 space,
adamc@181 1327 string "=",
adamc@181 1328 space,
adamc@181 1329 p_exp env e,
adamc@181 1330 string ";",
adamc@181 1331 newline],
adamc@181 1332 string "tmp;",
adamc@181 1333 newline,
adamc@181 1334 string "})"]
adamc@181 1335 end
adamc@297 1336 | ENone _ => string "NULL"
adamc@290 1337 | ESome (t, e) =>
adamc@463 1338 if isUnboxable t then
adamc@463 1339 p_exp' par env e
adamc@463 1340 else
adamc@463 1341 box [string "({",
adamc@463 1342 newline,
adamc@463 1343 p_typ env t,
adamc@463 1344 space,
adamc@463 1345 string "*tmp",
adamc@463 1346 space,
adamc@463 1347 string "=",
adamc@463 1348 space,
adamc@463 1349 string "uw_malloc(ctx, sizeof(",
adamc@463 1350 p_typ env t,
adamc@463 1351 string "));",
adamc@463 1352 newline,
adamc@463 1353 string "*tmp",
adamc@463 1354 space,
adamc@463 1355 string "=",
adamc@463 1356 p_exp' par env e,
adamc@463 1357 string ";",
adamc@463 1358 newline,
adamc@463 1359 string "tmp;",
adamc@463 1360 newline,
adamc@463 1361 string "})"]
adamc@109 1362
adamc@316 1363 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1364 | EError (e, t) =>
adamc@283 1365 box [string "({",
adamc@283 1366 newline,
adamc@283 1367 p_typ env t,
adamc@283 1368 space,
adamc@283 1369 string "tmp;",
adamc@283 1370 newline,
adamc@311 1371 string "uw_error(ctx, FATAL, \"",
adamc@292 1372 string (ErrorMsg.spanToString loc),
adamc@292 1373 string ": %s\", ",
adamc@283 1374 p_exp env e,
adamc@283 1375 string ");",
adamc@283 1376 newline,
adamc@283 1377 string "tmp;",
adamc@283 1378 newline,
adamc@283 1379 string "})"]
adamc@741 1380 | EReturnBlob {blob, mimeType, t} =>
adamc@741 1381 box [string "({",
adamc@741 1382 newline,
adamc@741 1383 p_typ env t,
adamc@741 1384 space,
adamc@741 1385 string "tmp;",
adamc@741 1386 newline,
adamc@741 1387 string "uw_return_blob(ctx, ",
adamc@741 1388 p_exp env blob,
adamc@741 1389 string ", ",
adamc@741 1390 p_exp env mimeType,
adamc@741 1391 string ");",
adamc@741 1392 newline,
adamc@741 1393 string "tmp;",
adamc@741 1394 newline,
adamc@741 1395 string "})"]
adamc@476 1396 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1397 p_exp env (EError (e, ran), loc)
adamc@741 1398 | EApp ((EReturnBlob {blob, mimeType, t = (TFun (_, ran), _)}, loc), _) =>
adamc@741 1399 p_exp env (EReturnBlob {blob = blob, mimeType = mimeType, t = ran}, loc)
adamc@476 1400
adamc@311 1401 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1402 p_ident m,
adamc@53 1403 string "_",
adamc@316 1404 p_ident x,
adamc@117 1405 string "(ctx, ",
adamc@53 1406 p_list (p_exp env) es,
adamc@53 1407 string ")"]
adamc@316 1408 | EApp (f, args) =>
adamc@316 1409 parenIf par (box [p_exp' true env f,
adamc@316 1410 string "(ctx,",
adamc@316 1411 space,
adamc@316 1412 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1413 string ")"])
adamc@29 1414
adamc@387 1415 | EUnop (s, e1) =>
adamc@387 1416 parenIf par (box [string s,
adamc@387 1417 space,
adamc@387 1418 p_exp' true env e1])
adamc@387 1419
adamc@387 1420 | EBinop (s, e1, e2) =>
adamc@389 1421 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1422 box [string s,
adamc@390 1423 string "(",
adamc@389 1424 p_exp env e1,
adamc@389 1425 string ",",
adamc@389 1426 space,
adamc@389 1427 p_exp env e2,
adamc@389 1428 string ")"]
adamc@389 1429 else
adamc@389 1430 parenIf par (box [p_exp' true env e1,
adamc@389 1431 space,
adamc@389 1432 string s,
adamc@389 1433 space,
adamc@389 1434 p_exp' true env e2])
adamc@387 1435
adamc@29 1436 | ERecord (i, xes) => box [string "({",
adamc@29 1437 space,
adamc@29 1438 string "struct",
adamc@29 1439 space,
adamc@311 1440 string ("__uws_" ^ Int.toString i),
adamc@29 1441 space,
adamc@181 1442 string "tmp",
adamc@29 1443 space,
adamc@29 1444 string "=",
adamc@29 1445 space,
adamc@29 1446 string "{",
adamc@29 1447 p_list (fn (_, e) =>
adamc@29 1448 p_exp env e) xes,
adamc@29 1449 string "};",
adamc@29 1450 space,
adamc@181 1451 string "tmp;",
adamc@29 1452 space,
adamc@29 1453 string "})" ]
adamc@29 1454 | EField (e, x) =>
adamc@29 1455 box [p_exp' true env e,
adamc@311 1456 string ".__uwf_",
adamc@316 1457 p_ident x]
adamc@29 1458
adamc@182 1459 | ECase (e, pes, {disc, result}) =>
adamc@182 1460 let
adamc@182 1461 val final = newGoto ()
adamc@182 1462
adamc@182 1463 val body = foldl (fn ((p, e), body) =>
adamc@182 1464 let
adamc@182 1465 val exit = newGoto ()
adamc@182 1466 val (pr, _) = p_pat_preamble env p
adamc@182 1467 val (p, env) = p_pat (env,
adamc@182 1468 box [string "goto",
adamc@182 1469 space,
adamc@182 1470 exit,
adamc@182 1471 string ";"],
adamc@182 1472 0) p
adamc@182 1473 in
adamc@182 1474 box [body,
adamc@182 1475 box [string "{",
adamc@182 1476 newline,
adamc@182 1477 pr,
adamc@182 1478 newline,
adamc@182 1479 p,
adamc@182 1480 newline,
adamc@182 1481 string "result",
adamc@182 1482 space,
adamc@182 1483 string "=",
adamc@182 1484 space,
adamc@182 1485 p_exp env e,
adamc@182 1486 string ";",
adamc@182 1487 newline,
adamc@182 1488 string "goto",
adamc@182 1489 space,
adamc@182 1490 final,
adamc@182 1491 string ";",
adamc@182 1492 newline,
adamc@182 1493 string "}"],
adamc@182 1494 newline,
adamc@182 1495 exit,
adamc@182 1496 string ":",
adamc@182 1497 newline]
adamc@182 1498 end) (box []) pes
adamc@182 1499 in
adamc@182 1500 box [string "({",
adamc@182 1501 newline,
adamc@182 1502 p_typ env disc,
adamc@182 1503 space,
adamc@182 1504 string "disc0",
adamc@182 1505 space,
adamc@182 1506 string "=",
adamc@182 1507 space,
adamc@182 1508 p_exp env e,
adamc@182 1509 string ";",
adamc@182 1510 newline,
adamc@182 1511 p_typ env result,
adamc@182 1512 space,
adamc@182 1513 string "result;",
adamc@182 1514 newline,
adamc@182 1515 body,
adamc@311 1516 string "uw_error(ctx, FATAL, \"",
adamc@182 1517 string (ErrorMsg.spanToString loc),
adamc@182 1518 string ": pattern match failure\");",
adamc@182 1519 newline,
adamc@182 1520 final,
adamc@182 1521 string ":",
adamc@182 1522 space,
adamc@182 1523 string "result;",
adamc@182 1524 newline,
adamc@182 1525 string "})"]
adamc@182 1526 end
adamc@181 1527
adamc@311 1528 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1529 p_exp env e,
adamc@311 1530 string "), uw_unit_v)"]
adamc@102 1531
adamc@106 1532 | ESeq (e1, e2) => box [string "(",
adamc@106 1533 p_exp env e1,
adamc@106 1534 string ",",
adamc@106 1535 space,
adamc@106 1536 p_exp env e2,
adamc@106 1537 string ")"]
adamc@269 1538 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1539 newline,
adamc@269 1540 p_typ env t,
adamc@269 1541 space,
adamc@311 1542 string "__uwr_",
adamc@316 1543 p_ident x,
adamc@272 1544 string "_",
adamc@272 1545 string (Int.toString (E.countERels env)),
adamc@269 1546 space,
adamc@269 1547 string "=",
adamc@269 1548 space,
adamc@269 1549 p_exp env e1,
adamc@269 1550 string ";",
adamc@269 1551 newline,
adamc@269 1552 p_exp (E.pushERel env x t) e2,
adamc@269 1553 string ";",
adamc@269 1554 newline,
adamc@269 1555 string "})"]
adamc@269 1556
adamc@282 1557 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1558 let
adamc@316 1559 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1560 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1561 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1562 tables
adamc@638 1563
adamc@278 1564 val outputs = exps @ tables
adamc@325 1565 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1566
adamc@324 1567 val wontLeakStrings = notLeaky env true state
adamc@324 1568 val wontLeakAnything = notLeaky env false state
adamc@278 1569 in
adamc@640 1570 box [if wontLeakAnything then
adamc@704 1571 string "(uw_begin_region(ctx), "
adamc@324 1572 else
adamc@324 1573 box [],
adamc@324 1574 string "({",
adamc@278 1575 newline,
adamc@311 1576 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1577 newline,
adamc@640 1578 p_typ env state,
adamc@640 1579 space,
adamc@640 1580 string "acc",
adamc@640 1581 space,
adamc@640 1582 string "=",
adamc@640 1583 space,
adamc@640 1584 p_exp env initial,
adamc@640 1585 string ";",
adamc@640 1586 newline,
adamc@640 1587 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1588 newline,
adamc@640 1589
adamc@282 1590 case prepared of
adamc@282 1591 NONE => box [string "char *query = ",
adamc@282 1592 p_exp env query,
adamc@282 1593 string ";",
adamc@282 1594 newline]
adamc@282 1595 | SOME _ =>
adamc@282 1596 let
adamc@282 1597 val ets = getPargs query
adamc@282 1598 in
adamc@282 1599 box [p_list_sepi newline
adamc@282 1600 (fn i => fn (e, t) =>
adamc@282 1601 box [p_sql_type t,
adamc@282 1602 space,
adamc@282 1603 string "arg",
adamc@282 1604 string (Int.toString (i + 1)),
adamc@282 1605 space,
adamc@282 1606 string "=",
adamc@282 1607 space,
adamc@282 1608 p_exp env e,
adamc@282 1609 string ";"])
adamc@282 1610 ets,
adamc@282 1611 newline,
adamc@282 1612 newline,
adamc@282 1613
adamc@737 1614 string "const int paramFormats[] = { ",
adamc@737 1615 p_list_sep (box [string ",", space])
adamc@737 1616 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@737 1617 string " };",
adamc@737 1618 newline,
adamc@737 1619 string "const int paramLengths[] = { ",
adamc@737 1620 p_list_sepi (box [string ",", space])
adamc@737 1621 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@737 1622 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@737 1623 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@737 1624 | _ => string "0") ets,
adamc@737 1625 string " };",
adamc@737 1626 newline,
adamc@282 1627 string "const char *paramValues[] = { ",
adamc@282 1628 p_list_sepi (box [string ",", space])
adamc@282 1629 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1630 string (Int.toString (i + 1))]))
adamc@282 1631 ets,
adamc@282 1632 string " };",
adamc@282 1633 newline,
adamc@282 1634 newline]
adamc@282 1635 end,
adamc@640 1636
adamc@282 1637 string "PGresult *res = ",
adamc@282 1638 case prepared of
adamc@295 1639 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1640 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1641 string (Int.toString n),
adamc@282 1642 string "\", ",
adamc@282 1643 string (Int.toString (length (getPargs query))),
adamc@737 1644 string ", paramValues, paramLengths, paramFormats, 0);"],
adamc@278 1645 newline,
adamc@278 1646 newline,
adamc@277 1647
adamc@311 1648 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1649 newline,
adamc@278 1650 newline,
adamc@277 1651
adamc@278 1652 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1653 newline,
adamc@278 1654 box [string "PQclear(res);",
adamc@278 1655 newline,
adamc@311 1656 string "uw_error(ctx, FATAL, \"",
adamc@278 1657 string (ErrorMsg.spanToString loc),
adamc@282 1658 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1659 case prepared of
adamc@282 1660 NONE => string "query"
adamc@282 1661 | SOME _ => p_exp env query,
adamc@282 1662 string ", PQerrorMessage(conn));",
adamc@278 1663 newline],
adamc@278 1664 string "}",
adamc@278 1665 newline,
adamc@278 1666 newline,
adamc@277 1667
adamc@747 1668 string "if (PQnfields(res) != ",
adamc@747 1669 string (Int.toString (length outputs)),
adamc@747 1670 string ") {",
adamc@747 1671 newline,
adamc@747 1672 box [string "int nf = PQnfields(res);",
adamc@747 1673 newline,
adamc@747 1674 string "PQclear(res);",
adamc@747 1675 newline,
adamc@747 1676 string "uw_error(ctx, FATAL, \"",
adamc@747 1677 string (ErrorMsg.spanToString loc),
adamc@747 1678 string ": Query returned %d columns instead of ",
adamc@747 1679 string (Int.toString (length outputs)),
adamc@747 1680 string ":\\n%s\\n%s\", ",
adamc@747 1681 case prepared of
adamc@747 1682 NONE => string "query"
adamc@747 1683 | SOME _ => p_exp env query,
adamc@747 1684 string ", nf, PQerrorMessage(conn));",
adamc@747 1685 newline],
adamc@747 1686 string "}",
adamc@747 1687 newline,
adamc@747 1688 newline,
adamc@747 1689
adamc@323 1690 string "uw_end_region(ctx);",
adamc@323 1691 newline,
adamc@425 1692 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1693 newline,
adamc@278 1694 string "n = PQntuples(res);",
adamc@278 1695 newline,
adamc@278 1696 string "for (i = 0; i < n; ++i) {",
adamc@278 1697 newline,
adamc@278 1698 box [string "struct",
adamc@278 1699 space,
adamc@311 1700 string "__uws_",
adamc@278 1701 string (Int.toString rnum),
adamc@278 1702 space,
adamc@311 1703 string "__uwr_r_",
adamc@278 1704 string (Int.toString (E.countERels env)),
adamc@278 1705 string ";",
adamc@278 1706 newline,
adamc@278 1707 p_typ env state,
adamc@278 1708 space,
adamc@311 1709 string "__uwr_acc_",
adamc@278 1710 string (Int.toString (E.countERels env + 1)),
adamc@278 1711 space,
adamc@278 1712 string "=",
adamc@278 1713 space,
adamc@278 1714 string "acc;",
adamc@278 1715 newline,
adamc@278 1716 newline,
adamc@278 1717
adamc@278 1718 p_list_sepi (box []) (fn i =>
adamc@278 1719 fn (proj, t) =>
adamc@311 1720 box [string "__uwr_r_",
adamc@278 1721 string (Int.toString (E.countERels env)),
adamc@278 1722 string ".",
adamc@278 1723 string proj,
adamc@278 1724 space,
adamc@278 1725 string "=",
adamc@278 1726 space,
adamc@467 1727 p_getcol wontLeakStrings env t i,
adamc@278 1728 string ";",
adamc@278 1729 newline]) outputs,
adamc@278 1730
adamc@278 1731 newline,
adamc@278 1732 newline,
adamc@278 1733
adamc@278 1734 string "acc",
adamc@278 1735 space,
adamc@278 1736 string "=",
adamc@278 1737 space,
adamc@278 1738 p_exp (E.pushERel
adamc@278 1739 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1740 "acc" state)
adamc@278 1741 body,
adamc@278 1742 string ";",
adamc@278 1743 newline],
adamc@278 1744 string "}",
adamc@278 1745 newline,
adamc@278 1746 newline,
adamc@425 1747 string "uw_pop_cleanup(ctx);",
adamc@278 1748 newline,
adamc@324 1749 if wontLeakAnything then
adamc@324 1750 box [string "uw_end_region(ctx);",
adamc@324 1751 newline]
adamc@324 1752 else
adamc@324 1753 box [],
adamc@278 1754 string "acc;",
adamc@278 1755 newline,
adamc@704 1756 string "})",
adamc@704 1757 if wontLeakAnything then
adamc@704 1758 string ")"
adamc@704 1759 else
adamc@704 1760 box []]
adamc@278 1761 end
adamc@106 1762
adamc@307 1763 | EDml {dml, prepared} =>
adamc@337 1764 box [string "(uw_begin_region(ctx), ({",
adamc@307 1765 newline,
adamc@311 1766 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1767 newline,
adamc@307 1768 case prepared of
adamc@307 1769 NONE => box [string "char *dml = ",
adamc@307 1770 p_exp env dml,
adamc@307 1771 string ";",
adamc@307 1772 newline]
adamc@307 1773 | SOME _ =>
adamc@307 1774 let
adamc@307 1775 val ets = getPargs dml
adamc@307 1776 in
adamc@307 1777 box [p_list_sepi newline
adamc@307 1778 (fn i => fn (e, t) =>
adamc@307 1779 box [p_sql_type t,
adamc@307 1780 space,
adamc@307 1781 string "arg",
adamc@307 1782 string (Int.toString (i + 1)),
adamc@307 1783 space,
adamc@307 1784 string "=",
adamc@307 1785 space,
adamc@307 1786 p_exp env e,
adamc@307 1787 string ";"])
adamc@307 1788 ets,
adamc@307 1789 newline,
adamc@307 1790 newline,
adamc@307 1791
adamc@738 1792 string "const int paramFormats[] = { ",
adamc@738 1793 p_list_sep (box [string ",", space])
adamc@738 1794 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@738 1795 string " };",
adamc@738 1796 newline,
adamc@738 1797 string "const int paramLengths[] = { ",
adamc@738 1798 p_list_sepi (box [string ",", space])
adamc@738 1799 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@738 1800 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@738 1801 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@738 1802 | _ => string "0") ets,
adamc@738 1803 string " };",
adamc@738 1804 newline,
adamc@307 1805 string "const char *paramValues[] = { ",
adamc@307 1806 p_list_sepi (box [string ",", space])
adamc@307 1807 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1808 string (Int.toString (i + 1))]))
adamc@307 1809 ets,
adamc@307 1810 string " };",
adamc@307 1811 newline,
adamc@307 1812 newline]
adamc@307 1813 end,
adamc@307 1814 newline,
adamc@307 1815 newline,
adamc@307 1816 string "PGresult *res = ",
adamc@307 1817 case prepared of
adamc@307 1818 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1819 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1820 string (Int.toString n),
adamc@307 1821 string "\", ",
adamc@307 1822 string (Int.toString (length (getPargs dml))),
adamc@738 1823 string ", paramValues, paramLengths, paramFormats, 0);"],
adamc@307 1824 newline,
adamc@307 1825 newline,
adamc@307 1826
adamc@311 1827 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1828 newline,
adamc@307 1829 newline,
adamc@307 1830
adamc@307 1831 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1832 newline,
adamc@688 1833 box [string "if (!strcmp(PQresultErrorField(res, PG_DIAG_SQLSTATE), \"40001\")) {",
adamc@688 1834 box [newline,
adamc@688 1835 string "PQclear(res);",
adamc@688 1836 newline,
adamc@688 1837 string "uw_error(ctx, UNLIMITED_RETRY, \"Serialization failure\");",
adamc@688 1838 newline],
adamc@688 1839 string "}",
adamc@688 1840 newline,
adamc@688 1841 string "PQclear(res);",
adamc@307 1842 newline,
adamc@311 1843 string "uw_error(ctx, FATAL, \"",
adamc@307 1844 string (ErrorMsg.spanToString loc),
adamc@307 1845 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1846 case prepared of
adamc@307 1847 NONE => string "dml"
adamc@307 1848 | SOME _ => p_exp env dml,
adamc@307 1849 string ", PQerrorMessage(conn));",
adamc@307 1850 newline],
adamc@307 1851 string "}",
adamc@307 1852 newline,
adamc@307 1853 newline,
adamc@307 1854
adamc@307 1855 string "PQclear(res);",
adamc@307 1856 newline,
adamc@337 1857 string "uw_end_region(ctx);",
adamc@337 1858 newline,
adamc@311 1859 string "uw_unit_v;",
adamc@307 1860 newline,
adamc@337 1861 string "}))"]
adamc@307 1862
adamc@338 1863 | ENextval {seq, prepared} =>
adamc@338 1864 let
adamc@486 1865 val query = case seq of
adamc@486 1866 (EPrim (Prim.String s), loc) =>
adamc@486 1867 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1868 | _ =>
adamc@486 1869 let
adamc@486 1870 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1871 in
adamc@486 1872 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1873 end
adamc@338 1874 in
adamc@338 1875 box [string "(uw_begin_region(ctx), ",
adamc@338 1876 string "({",
adamc@338 1877 newline,
adamc@338 1878 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1879 newline,
adamc@338 1880 case prepared of
adamc@338 1881 NONE => box [string "char *query = ",
adamc@338 1882 p_exp env query,
adamc@338 1883 string ";",
adamc@338 1884 newline]
adamc@338 1885 | SOME _ =>
adamc@338 1886 box [],
adamc@338 1887 newline,
adamc@338 1888 string "PGresult *res = ",
adamc@338 1889 case prepared of
adamc@338 1890 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1891 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1892 string (Int.toString n),
adamc@338 1893 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1894 newline,
adamc@338 1895 string "uw_Basis_int n;",
adamc@338 1896 newline,
adamc@338 1897 newline,
adamc@338 1898
adamc@338 1899 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1900 newline,
adamc@338 1901 newline,
adamc@338 1902
adamc@338 1903 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1904 newline,
adamc@338 1905 box [string "PQclear(res);",
adamc@338 1906 newline,
adamc@338 1907 string "uw_error(ctx, FATAL, \"",
adamc@338 1908 string (ErrorMsg.spanToString loc),
adamc@338 1909 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1910 case prepared of
adamc@338 1911 NONE => string "query"
adamc@338 1912 | SOME _ => p_exp env query,
adamc@338 1913 string ", PQerrorMessage(conn));",
adamc@338 1914 newline],
adamc@338 1915 string "}",
adamc@338 1916 newline,
adamc@338 1917 newline,
adamc@338 1918
adamc@338 1919 string "uw_end_region(ctx);",
adamc@338 1920 newline,
adamc@338 1921 string "n = PQntuples(res);",
adamc@338 1922 newline,
adamc@338 1923 string "if (n != 1) {",
adamc@338 1924 newline,
adamc@338 1925 box [string "PQclear(res);",
adamc@338 1926 newline,
adamc@338 1927 string "uw_error(ctx, FATAL, \"",
adamc@338 1928 string (ErrorMsg.spanToString loc),
adamc@338 1929 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1930 case prepared of
adamc@338 1931 NONE => string "query"
adamc@338 1932 | SOME _ => p_exp env query,
adamc@338 1933 string ", PQerrorMessage(conn));",
adamc@338 1934 newline],
adamc@338 1935 string "}",
adamc@338 1936 newline,
adamc@338 1937 newline,
adamc@338 1938
adamc@338 1939 string "n = ",
adamc@338 1940 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@743 1941 (string "PQgetvalue(res, 0, 0)")
adamc@743 1942 (box []),
adamc@338 1943 string ";",
adamc@338 1944 newline,
adamc@338 1945 string "PQclear(res);",
adamc@338 1946 newline,
adamc@338 1947 string "n;",
adamc@338 1948 newline,
adamc@338 1949 string "}))"]
adamc@338 1950 end
adamc@338 1951
adamc@463 1952 | EUnurlify (e, t) =>
adamc@463 1953 let
adamc@463 1954 fun getIt () =
adamc@463 1955 if isUnboxable t then
adamc@463 1956 unurlify env t
adamc@463 1957 else
adamc@463 1958 box [string "({",
adamc@463 1959 newline,
adamc@463 1960 p_typ env t,
adamc@463 1961 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1962 p_typ env t,
adamc@463 1963 string "));",
adamc@463 1964 newline,
adamc@463 1965 string "*tmp = ",
adamc@463 1966 unurlify env t,
adamc@463 1967 string ";",
adamc@463 1968 newline,
adamc@463 1969 string "tmp;",
adamc@463 1970 newline,
adamc@463 1971 string "})"]
adamc@463 1972 in
adamc@463 1973 box [string "({",
adamc@463 1974 newline,
adamc@737 1975 string "uw_Basis_string request = uw_maybe_strdup(ctx, ",
adamc@463 1976 p_exp env e,
adamc@492 1977 string ");",
adamc@463 1978 newline,
adamc@463 1979 newline,
adamc@463 1980 string "(request ? ",
adamc@463 1981 getIt (),
adamc@463 1982 string " : NULL);",
adamc@463 1983 newline,
adamc@463 1984 string "})"]
adamc@463 1985 end
adamc@463 1986
adamc@29 1987 and p_exp env = p_exp' false env
adamc@29 1988
adamc@129 1989 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1990 let
adamc@129 1991 val nargs = length args
adamc@129 1992 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1993 in
adamc@129 1994 box [string "static",
adamc@129 1995 space,
adamc@129 1996 p_typ env ran,
adamc@129 1997 space,
adamc@316 1998 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1999 string "(",
adamc@129 2000 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 2001 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 2002 box [p_typ env dom,
adamc@129 2003 space,
adamc@129 2004 p_rel env' (nargs - i - 1)]) args),
adamc@129 2005 string ")",
adamc@129 2006 space,
adamc@129 2007 string "{",
adamc@129 2008 newline,
adamc@638 2009 box [string "return(",
adamc@638 2010 p_exp env' e,
adamc@638 2011 string ");"],
adamc@129 2012 newline,
adamc@129 2013 string "}"]
adamc@129 2014 end
adamc@129 2015
adamc@129 2016 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 2017 case d of
adamc@29 2018 DStruct (n, xts) =>
adamc@196 2019 let
adamc@196 2020 val env = E.declBinds env dAll
adamc@196 2021 in
adamc@196 2022 box [string "struct",
adamc@196 2023 space,
adamc@311 2024 string ("__uws_" ^ Int.toString n),
adamc@196 2025 space,
adamc@196 2026 string "{",
adamc@196 2027 newline,
adamc@196 2028 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 2029 space,
adamc@311 2030 string "__uwf_",
adamc@316 2031 p_ident x,
adamc@196 2032 string ";",
adamc@196 2033 newline]) xts,
adamc@196 2034 string "};"]
adamc@196 2035 end
adamc@188 2036 | DDatatype (Enum, x, n, xncs) =>
adamc@188 2037 box [string "enum",
adamc@188 2038 space,
adamc@316 2039 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 2040 space,
adamc@188 2041 string "{",
adamc@188 2042 space,
adamc@316 2043 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 2044 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 2045 space,
adamc@188 2046 string "};"]
adamc@198 2047 | DDatatype (Option, _, _, _) => box []
adamc@188 2048 | DDatatype (Default, x, n, xncs) =>
adamc@165 2049 let
adamc@165 2050 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 2051 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 2052 in
adamc@165 2053 box [string "enum",
adamc@165 2054 space,
adamc@316 2055 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 2056 space,
adamc@165 2057 string "{",
adamc@165 2058 space,
adamc@316 2059 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 2060 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 2061 space,
adamc@165 2062 string "};",
adamc@165 2063 newline,
adamc@165 2064 newline,
adamc@165 2065 string "struct",
adamc@165 2066 space,
adamc@316 2067 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 2068 space,
adamc@165 2069 string "{",
adamc@165 2070 newline,
adamc@165 2071 string "enum",
adamc@165 2072 space,
adamc@316 2073 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 2074 space,
adamc@165 2075 string "tag;",
adamc@165 2076 newline,
adamc@165 2077 box (case xncsArgs of
adamc@165 2078 [] => []
adamc@165 2079 | _ => [string "union",
adamc@165 2080 space,
adamc@165 2081 string "{",
adamc@165 2082 newline,
adamc@165 2083 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 2084 space,
adamc@316 2085 string ("uw_" ^ ident x),
adamc@165 2086 string ";"]) xncsArgs,
adamc@165 2087 newline,
adamc@165 2088 string "}",
adamc@165 2089 space,
adamc@165 2090 string "data;",
adamc@165 2091 newline]),
adamc@165 2092 string "};"]
adamc@188 2093 end
adamc@29 2094
adamc@196 2095 | DDatatypeForward _ => box []
adamc@196 2096
adamc@29 2097 | DVal (x, n, t, e) =>
adamc@29 2098 box [p_typ env t,
adamc@29 2099 space,
adamc@316 2100 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 2101 space,
adamc@29 2102 string "=",
adamc@29 2103 space,
adamc@29 2104 p_exp env e,
adamc@29 2105 string ";"]
adamc@129 2106 | DFun vi => p_fun env vi
adamc@129 2107 | DFunRec vis =>
adamc@29 2108 let
adamc@129 2109 val env = E.declBinds env dAll
adamc@29 2110 in
adamc@129 2111 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 2112 box [string "static",
adamc@129 2113 space,
adamc@129 2114 p_typ env ran,
adamc@129 2115 space,
adamc@316 2116 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 2117 string "(uw_context,",
adamc@129 2118 space,
adamc@129 2119 p_list_sep (box [string ",", space])
adamc@129 2120 (fn (_, dom) => p_typ env dom) args,
adamc@129 2121 string ");"]) vis,
adamc@29 2122 newline,
adamc@129 2123 p_list_sep newline (p_fun env) vis,
adamc@129 2124 newline]
adamc@29 2125 end
adamc@707 2126 | DTable (x, _, pk, csts) => box [string "/* SQL table ",
adamc@707 2127 string x,
adamc@707 2128 space,
adamc@707 2129 case pk of
adamc@707 2130 "" => box []
adamc@707 2131 | _ => box [string "keys",
adamc@707 2132 space,
adamc@707 2133 string pk,
adamc@707 2134 space],
adamc@707 2135 string "constraints",
adamc@707 2136 space,
adamc@707 2137 p_list (fn (x, v) => box [string x,
adamc@707 2138 space,
adamc@707 2139 string ":",
adamc@707 2140 space,
adamc@707 2141 string v]) csts,
adamc@707 2142 space,
adamc@707 2143 string " */",
adamc@707 2144 newline]
adamc@338 2145 | DSequence x => box [string "/* SQL sequence ",
adamc@338 2146 string x,
adamc@338 2147 string " */",
adamc@338 2148 newline]
adamc@754 2149 | DView (x, _, s) => box [string "/* SQL view ",
adamc@754 2150 string x,
adamc@754 2151 space,
adamc@754 2152 string "AS",
adamc@754 2153 space,
adamc@754 2154 string s,
adamc@754 2155 space,
adamc@754 2156 string " */",
adamc@754 2157 newline]
adamc@687 2158 | DDatabase {name, expunge, initialize} =>
adamc@687 2159 box [string "static void uw_db_validate(uw_context);",
adamc@687 2160 newline,
adamc@687 2161 string "static void uw_db_prepare(uw_context);",
adamc@687 2162 newline,
adamc@687 2163 newline,
adamc@687 2164 string "void uw_db_init(uw_context ctx) {",
adamc@687 2165 newline,
adamc@687 2166 string "PGconn *conn = PQconnectdb(\"",
adamc@687 2167 string (String.toString name),
adamc@687 2168 string "\");",
adamc@687 2169 newline,
adamc@687 2170 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 2171 string "\"libpq can't allocate a connection.\");",
adamc@687 2172 newline,
adamc@687 2173 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@687 2174 newline,
adamc@687 2175 box [string "char msg[1024];",
adamc@687 2176 newline,
adamc@687 2177 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@687 2178 newline,
adamc@687 2179 string "msg[1023] = 0;",
adamc@687 2180 newline,
adamc@687 2181 string "PQfinish(conn);",
adamc@687 2182 newline,
adamc@687 2183 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 2184 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@687 2185 newline,
adamc@687 2186 string "}",
adamc@687 2187 newline,
adamc@687 2188 string "uw_set_db(ctx, conn);",
adamc@687 2189 newline,
adamc@687 2190 string "uw_db_validate(ctx);",
adamc@687 2191 newline,
adamc@687 2192 string "uw_db_prepare(ctx);",
adamc@687 2193 newline,
adamc@687 2194 string "}",
adamc@687 2195 newline,
adamc@687 2196 newline,
adamc@687 2197 string "void uw_db_close(uw_context ctx) {",
adamc@687 2198 newline,
adamc@687 2199 string "PQfinish(uw_get_db(ctx));",
adamc@687 2200 newline,
adamc@687 2201 string "}",
adamc@687 2202 newline,
adamc@687 2203 newline,
adamc@424 2204
adamc@687 2205 string "int uw_db_begin(uw_context ctx) {",
adamc@687 2206 newline,
adamc@687 2207 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2208 newline,
adamc@687 2209 string "PGresult *res = PQexec(conn, \"BEGIN ISOLATION LEVEL SERIALIZABLE\");",
adamc@687 2210 newline,
adamc@687 2211 newline,
adamc@687 2212 string "if (res == NULL) return 1;",
adamc@687 2213 newline,
adamc@687 2214 newline,
adamc@687 2215 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2216 box [string "PQclear(res);",
adamc@687 2217 newline,
adamc@687 2218 string "return 1;",
adamc@687 2219 newline],
adamc@687 2220 string "}",
adamc@687 2221 newline,
adamc@687 2222 string "return 0;",
adamc@687 2223 newline,
adamc@687 2224 string "}",
adamc@687 2225 newline,
adamc@687 2226 newline,
adamc@424 2227
adamc@687 2228 string "int uw_db_commit(uw_context ctx) {",
adamc@687 2229 newline,
adamc@687 2230 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2231 newline,
adamc@687 2232 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@687 2233 newline,
adamc@687 2234 newline,
adamc@687 2235 string "if (res == NULL) return 1;",
adamc@687 2236 newline,
adamc@687 2237 newline,
adamc@687 2238 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2239 box [string "PQclear(res);",
adamc@687 2240 newline,
adamc@687 2241 string "return 1;",
adamc@687 2242 newline],
adamc@687 2243 string "}",
adamc@687 2244 newline,
adamc@687 2245 string "return 0;",
adamc@687 2246 newline,
adamc@687 2247 string "}",
adamc@687 2248 newline,
adamc@687 2249 newline,
adamc@424 2250
adamc@687 2251 string "int uw_db_rollback(uw_context ctx) {",
adamc@687 2252 newline,
adamc@687 2253 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2254 newline,
adamc@687 2255 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@687 2256 newline,
adamc@687 2257 newline,
adamc@687 2258 string "if (res == NULL) return 1;",
adamc@687 2259 newline,
adamc@687 2260 newline,
adamc@687 2261 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2262 box [string "PQclear(res);",
adamc@687 2263 newline,
adamc@687 2264 string "return 1;",
adamc@687 2265 newline],
adamc@687 2266 string "}",
adamc@687 2267 newline,
adamc@687 2268 string "return 0;",
adamc@687 2269 newline,
adamc@687 2270 string "}",
adamc@687 2271 newline,
adamc@687 2272 newline,
adamc@683 2273
adamc@687 2274 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) {",
adamc@687 2275 newline,
adamc@687 2276 box [p_enamed env expunge,
adamc@687 2277 string "(ctx, cli);",
adamc@687 2278 newline],
adamc@687 2279 string "}",
adamc@687 2280 newline,
adamc@687 2281 newline,
adamc@687 2282
adamc@687 2283 string "void uw_initializer(uw_context ctx) {",
adamc@687 2284 newline,
adamc@687 2285 box [p_enamed env initialize,
adamc@687 2286 string "(ctx, uw_unit_v);",
adamc@687 2287 newline],
adamc@687 2288 string "}",
adamc@687 2289 newline]
adamc@29 2290
adamc@467 2291 | DPreparedStatements [] =>
adamc@467 2292 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2293 newline,
adamc@467 2294 string "}"]
adamc@282 2295 | DPreparedStatements ss =>
adamc@311 2296 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2297 newline,
adamc@311 2298 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2299 newline,
adamc@282 2300 string "PGresult *res;",
adamc@282 2301 newline,
adamc@282 2302 newline,
adamc@282 2303
adamc@282 2304 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2305 box [string "res = PQprepare(conn, \"uw",
adamc@282 2306 string (Int.toString i),
adamc@282 2307 string "\", \"",
adamc@282 2308 string (String.toString s),
adamc@282 2309 string "\", ",
adamc@282 2310 string (Int.toString n),
adamc@282 2311 string ", NULL);",
adamc@282 2312 newline,
adamc@282 2313 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2314 newline,
adamc@282 2315 box [string "char msg[1024];",
adamc@282 2316 newline,
adamc@282 2317 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2318 newline,
adamc@282 2319 string "msg[1023] = 0;",
adamc@282 2320 newline,
adamc@282 2321 string "PQclear(res);",
adamc@282 2322 newline,
adamc@282 2323 string "PQfinish(conn);",
adamc@282 2324 newline,
adamc@311 2325 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2326 string (String.toString s),
adamc@282 2327 string "\\n%s\", msg);",
adamc@282 2328 newline],
adamc@282 2329 string "}",
adamc@282 2330 newline,
adamc@282 2331 string "PQclear(res);",
adamc@282 2332 newline])
adamc@282 2333 ss,
adamc@282 2334
adamc@282 2335 string "}"]
adamc@282 2336
adamc@569 2337 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2338 string (String.toString s),
adamc@569 2339 string "\";"]
adamc@725 2340 | DCookie s => box [string "/*",
adamc@725 2341 space,
adamc@725 2342 string "cookie",
adamc@725 2343 space,
adamc@725 2344 string s,
adamc@725 2345 space,
adamc@725 2346 string "*/"]
adamc@720 2347 | DStyle s => box [string "/*",
adamc@720 2348 space,
adamc@720 2349 string "style",
adamc@720 2350 space,
adamc@720 2351 string s,
adamc@720 2352 space,
adamc@720 2353 string "*/"]
adamc@569 2354
adamc@144 2355 datatype 'a search =
adamc@144 2356 Found of 'a
adamc@144 2357 | NotFound
adamc@144 2358 | Error
adamc@120 2359
adamc@467 2360 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2361 case t of
adamc@275 2362 TFfi ("Basis", "int") => "int8"
adamc@275 2363 | TFfi ("Basis", "float") => "float8"
adamc@275 2364 | TFfi ("Basis", "string") => "text"
adamc@275 2365 | TFfi ("Basis", "bool") => "bool"
adamc@438 2366 | TFfi ("Basis", "time") => "timestamp"
adamc@737 2367 | TFfi ("Basis", "blob") => "bytea"
adamc@682 2368 | TFfi ("Basis", "channel") => "int8"
adamc@682 2369 | TFfi ("Basis", "client") => "int4"
adamc@275 2370 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2371 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2372 "ERROR")
adamc@275 2373
adamc@467 2374 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2375 case t of
adamc@467 2376 (TOption t, _) => p_sqltype'' env t
adamc@467 2377 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2378
adamc@275 2379 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2380
adamc@467 2381 fun p_sqltype_base' env t =
adamc@467 2382 case t of
adamc@467 2383 (TOption t, _) => p_sqltype'' env t
adamc@467 2384 | _ => p_sqltype'' env t
adamc@467 2385
adamc@467 2386 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2387
adamc@467 2388 fun is_not_null t =
adamc@467 2389 case t of
adamc@467 2390 (TOption _, _) => false
adamc@467 2391 | _ => true
adamc@467 2392
adamc@734 2393 fun sigName fields =
adamc@734 2394 let
adamc@734 2395 fun inFields s = List.exists (fn (s', _) => s' = s) fields
adamc@734 2396
adamc@734 2397 fun getSigName n =
adamc@734 2398 let
adamc@734 2399 val s = "Sig" ^ Int.toString n
adamc@734 2400 in
adamc@734 2401 if inFields s then
adamc@734 2402 getSigName (n + 1)
adamc@734 2403 else
adamc@734 2404 s
adamc@734 2405 end
adamc@734 2406 in
adamc@734 2407 if inFields "Sig" then
adamc@734 2408 getSigName 0
adamc@734 2409 else
adamc@734 2410 "Sig"
adamc@734 2411 end
adamc@734 2412
adamc@101 2413 fun p_file env (ds, ps) =
adamc@29 2414 let
adamc@101 2415 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2416 (p_decl env d,
adamc@638 2417 E.declBinds env d))
adamc@101 2418 env ds
adamc@144 2419
adamc@756 2420 fun flatFields (t : typ) =
adamc@756 2421 case #1 t of
adamc@756 2422 TRecord i =>
adamc@756 2423 let
adamc@756 2424 val xts = E.lookupStruct env i
adamc@756 2425 in
adamc@756 2426 SOME (map #1 xts :: List.concat (List.mapPartial (flatFields o #2) xts))
adamc@756 2427 end
adamc@756 2428 | _ => NONE
adamc@756 2429
adamc@643 2430 val fields = foldl (fn ((ek, _, _, ts, _, _), fields) =>
adamc@144 2431 case ek of
adamc@735 2432 Link => fields
adamc@735 2433 | Rpc _ => fields
adamc@735 2434 | Action eff =>
adamc@280 2435 case List.nth (ts, length ts - 2) of
adamc@756 2436 (TRecord i, loc) =>
adamc@144 2437 let
adamc@144 2438 val xts = E.lookupStruct env i
adamc@735 2439 val xts = case eff of
adamc@735 2440 ReadCookieWrite =>
adamc@735 2441 (sigName xts, (TRecord 0, ErrorMsg.dummySpan)) :: xts
adamc@735 2442 | _ => xts
adamc@144 2443 in
adamc@756 2444 case flatFields (TRecord i, loc) of
adamc@756 2445 NONE => raise Fail "CjrPrint: flatFields impossible"
adamc@756 2446 | SOME fields' => List.revAppend (fields', fields)
adamc@144 2447 end
adamc@144 2448 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@756 2449 [] ps
adamc@756 2450
adamc@756 2451 val fields = foldl (fn (xts, fields) =>
adamc@756 2452 let
adamc@756 2453 val xtsSet = SS.addList (SS.empty, xts)
adamc@756 2454 in
adamc@756 2455 foldl (fn (x, fields) =>
adamc@756 2456 let
adamc@756 2457 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@756 2458 in
adamc@756 2459 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@756 2460 xtsSet'))
adamc@756 2461 end) fields xts
adamc@756 2462 end)
adamc@756 2463 SM.empty fields
adamc@144 2464
adamc@144 2465 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2466 let
adamc@144 2467 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2468 case SM.find (fnums, x') of
adamc@144 2469 NONE => unusable
adamc@144 2470 | SOME n => IS.add (unusable, n))
adamc@144 2471 IS.empty xs
adamc@144 2472
adamc@144 2473 fun findAvailable n =
adamc@144 2474 if IS.member (unusable, n) then
adamc@144 2475 findAvailable (n + 1)
adamc@144 2476 else
adamc@144 2477 n
adamc@144 2478 in
adamc@144 2479 SM.insert (fnums, x, findAvailable 0)
adamc@144 2480 end)
adamc@144 2481 SM.empty fields
adamc@144 2482
adamc@734 2483 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2484
adamc@144 2485 fun makeSwitch (fnums, i) =
adamc@144 2486 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2487 | (n, Error) => Error
adamc@144 2488 | (n, Found n') => if n = n' then
adamc@144 2489 Found n'
adamc@144 2490 else
adamc@144 2491 Error) NotFound fnums of
adamc@144 2492 NotFound => box [string "return",
adamc@144 2493 space,
adamc@144 2494 string "-1;"]
adamc@144 2495 | Found n => box [string "return",
adamc@144 2496 space,
adamc@144 2497 string (Int.toString n),
adamc@144 2498 string ";"]
adamc@144 2499 | Error =>
adamc@144 2500 let
adamc@144 2501 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2502 let
adamc@144 2503 val ch = if i < size x then
adamc@144 2504 String.sub (x, i)
adamc@144 2505 else
adamc@144 2506 chr 0
adamc@144 2507
adamc@144 2508 val fnums = case CM.find (cmap, ch) of
adamc@144 2509 NONE => SM.empty
adamc@144 2510 | SOME fnums => fnums
adamc@144 2511 val fnums = SM.insert (fnums, x, n)
adamc@144 2512 in
adamc@144 2513 CM.insert (cmap, ch, fnums)
adamc@144 2514 end)
adamc@144 2515 CM.empty fnums
adamc@144 2516
adamc@144 2517 val cmap = CM.listItemsi cmap
adamc@144 2518 in
adamc@144 2519 case cmap of
adamc@144 2520 [(_, fnums)] =>
adamc@144 2521 box [string "if",
adamc@144 2522 space,
adamc@144 2523 string "(name[",
adamc@144 2524 string (Int.toString i),
adamc@144 2525 string "]",
adamc@144 2526 space,
adamc@144 2527 string "==",
adamc@144 2528 space,
adamc@144 2529 string "0)",
adamc@144 2530 space,
adamc@144 2531 string "return",
adamc@144 2532 space,
adamc@144 2533 string "-1;",
adamc@144 2534 newline,
adamc@144 2535 makeSwitch (fnums, i+1)]
adamc@144 2536 | _ =>
adamc@144 2537 box [string "switch",
adamc@144 2538 space,
adamc@144 2539 string "(name[",
adamc@144 2540 string (Int.toString i),
adamc@144 2541 string "])",
adamc@144 2542 space,
adamc@144 2543 string "{",
adamc@144 2544 newline,
adamc@144 2545 box (map (fn (ch, fnums) =>
adamc@144 2546 box [string "case",
adamc@144 2547 space,
adamc@144 2548 if ch = chr 0 then
adamc@144 2549 string "0:"
adamc@144 2550 else
adamc@144 2551 box [string "'",
adamc@144 2552 string (Char.toString ch),
adamc@144 2553 string "':"],
adamc@144 2554 newline,
adamc@144 2555 makeSwitch (fnums, i+1),
adamc@144 2556 newline]) cmap),
adamc@144 2557 string "default:",
adamc@144 2558 newline,
adamc@144 2559 string "return",
adamc@144 2560 space,
adamc@144 2561 string "-1;",
adamc@144 2562 newline,
adamc@144 2563 string "}"]
adamc@144 2564 end
adamc@144 2565
adamc@756 2566 fun getInput (x, t) =
adamc@756 2567 let
adamc@756 2568 val n = case SM.find (fnums, x) of
adamc@756 2569 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@756 2570 | SOME n => n
adamc@756 2571
adamc@756 2572 val f = case t of
adamc@756 2573 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@756 2574 | _ => ""
adamc@756 2575 in
adamc@756 2576 if isFile t then
adamc@756 2577 box [string "uw_input_",
adamc@756 2578 p_ident x,
adamc@756 2579 space,
adamc@756 2580 string "=",
adamc@756 2581 space,
adamc@756 2582 string "uw_get_file_input(ctx, ",
adamc@756 2583 string (Int.toString n),
adamc@756 2584 string ");",
adamc@756 2585 newline]
adamc@756 2586 else case #1 t of
adamc@756 2587 TRecord i =>
adamc@756 2588 let
adamc@756 2589 val xts = E.lookupStruct env i
adamc@756 2590 in
adamc@756 2591 box [string "uw_enter_subform(ctx, ",
adamc@756 2592 string (Int.toString n),
adamc@756 2593 string ");",
adamc@756 2594 newline,
adamc@756 2595 string "uw_input_",
adamc@756 2596 p_ident x,
adamc@756 2597 space,
adamc@756 2598 string "=",
adamc@756 2599 space,
adamc@756 2600 string "({",
adamc@756 2601 box [p_typ env t,
adamc@756 2602 space,
adamc@756 2603 string "result;",
adamc@756 2604 newline,
adamc@756 2605 p_list_sep (box [])
adamc@756 2606 (fn (x, t) =>
adamc@756 2607 box [p_typ env t,
adamc@756 2608 space,
adamc@756 2609 string "uw_input_",
adamc@756 2610 string x,
adamc@756 2611 string ";",
adamc@756 2612 newline])
adamc@756 2613 xts,
adamc@756 2614 newline,
adamc@756 2615 p_list_sep (box []) (fn (x, t) =>
adamc@756 2616 box [getInput (x, t),
adamc@756 2617 string "result.__uwf_",
adamc@756 2618 string x,
adamc@756 2619 space,
adamc@756 2620 string "=",
adamc@756 2621 space,
adamc@756 2622 string "uw_input_",
adamc@756 2623 string x,
adamc@756 2624 string ";",
adamc@756 2625 newline])
adamc@756 2626 xts,
adamc@756 2627 newline,
adamc@756 2628 string "result;",
adamc@756 2629 newline],
adamc@756 2630 string "});",
adamc@756 2631 newline,
adamc@756 2632 string "uw_leave_subform(ctx);"]
adamc@756 2633 end
adamc@756 2634 | _ =>
adamc@756 2635 box [string "request = uw_get_",
adamc@756 2636 string f,
adamc@756 2637 string "input(ctx, ",
adamc@756 2638 string (Int.toString n),
adamc@756 2639 string ");",
adamc@756 2640 newline,
adamc@756 2641 string "if (request == NULL)",
adamc@756 2642 newline,
adamc@756 2643 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@756 2644 string x,
adamc@756 2645 string "\");"],
adamc@756 2646 newline,
adamc@756 2647 string "uw_input_",
adamc@756 2648 p_ident x,
adamc@756 2649 space,
adamc@756 2650 string "=",
adamc@756 2651 space,
adamc@756 2652 unurlify env t,
adamc@756 2653 string ";",
adamc@756 2654 newline]
adamc@756 2655 end
adamc@756 2656
adamc@643 2657 fun p_page (ek, s, n, ts, ran, side) =
adamc@144 2658 let
adamc@734 2659 val (ts, defInputs, inputsVar, fields) =
adamc@144 2660 case ek of
adamc@734 2661 Core.Link => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@734 2662 | Core.Rpc _ => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@731 2663 | Core.Action _ =>
adamc@280 2664 case List.nth (ts, length ts - 2) of
adamc@144 2665 (TRecord i, _) =>
adamc@144 2666 let
adamc@144 2667 val xts = E.lookupStruct env i
adamc@144 2668 in
adamc@280 2669 (List.take (ts, length ts - 2),
adamc@144 2670 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2671 space,
adamc@311 2672 string "uw_input_",
adamc@316 2673 p_ident x,
adamc@144 2674 string ";",
adamc@144 2675 newline]) xts),
adamc@144 2676 newline,
adamc@756 2677 box (map getInput xts),
adamc@311 2678 string "struct __uws_",
adamc@144 2679 string (Int.toString i),
adamc@144 2680 space,
adamc@311 2681 string "uw_inputs",
adamc@144 2682 space,
adamc@144 2683 string "= {",
adamc@144 2684 newline,
adamc@311 2685 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2686 p_ident x,
adamc@144 2687 string ",",
adamc@144 2688 newline]) xts),
adamc@144 2689 string "};",
adamc@144 2690 newline],
adamc@144 2691 box [string ",",
adamc@144 2692 space,
adamc@734 2693 string "uw_inputs"],
adamc@734 2694 SOME xts)
adamc@144 2695 end
adamc@144 2696
adamc@144 2697 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@734 2698
adamc@734 2699 fun couldWrite ek =
adamc@734 2700 case ek of
adamc@734 2701 Link => false
adamc@735 2702 | Action ef => ef = ReadCookieWrite
adamc@735 2703 | Rpc ef => ef = ReadCookieWrite
adamc@144 2704 in
adamc@735 2705 box [string "if (!strncmp(request, \"",
adamc@735 2706 string (String.toString s),
adamc@735 2707 string "\", ",
adamc@735 2708 string (Int.toString (size s)),
adamc@735 2709 string ") && (request[",
adamc@735 2710 string (Int.toString (size s)),
adamc@735 2711 string "] == 0 || request[",
adamc@735 2712 string (Int.toString (size s)),
adamc@735 2713 string "] == '/')) {",
adamc@735 2714 newline,
adamc@735 2715 string "request += ",
adamc@735 2716 string (Int.toString (size s)),
adamc@735 2717 string ";",
adamc@735 2718 newline,
adamc@735 2719 string "if (*request == '/') ++request;",
adamc@735 2720 newline,
adamc@735 2721 if couldWrite ek then
adamc@734 2722 box [string "{",
adamc@734 2723 newline,
adamc@734 2724 string "uw_Basis_string sig = ",
adamc@734 2725 case fields of
adamc@734 2726 NONE => string "uw_Basis_requestHeader(ctx, \"UrWeb-Sig\")"
adamc@734 2727 | SOME fields =>
adamc@734 2728 case SM.find (fnums, sigName fields) of
adamc@734 2729 NONE => raise Fail "CjrPrint: sig name wasn't assigned a number"
adamc@734 2730 | SOME inum =>
adamc@734 2731 string ("uw_get_input(ctx, " ^ Int.toString inum ^ ")"),
adamc@734 2732 string ";",
adamc@734 2733 newline,
adamc@734 2734 string "if (sig == NULL) uw_error(ctx, FATAL, \"Missing cookie signature\");",
adamc@734 2735 newline,
adamc@734 2736 string "if (strcmp(sig, uw_cookie_sig(ctx)))",
adamc@734 2737 newline,
adamc@734 2738 box [string "uw_error(ctx, FATAL, \"Wrong cookie signature\");",
adamc@734 2739 newline],
adamc@734 2740 string "}",
adamc@734 2741 newline]
adamc@734 2742 else
adamc@734 2743 box [],
adamc@609 2744 box (case ek of
adamc@731 2745 Core.Rpc _ => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@731 2746 newline]
adamc@609 2747 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2748 newline,
adamc@609 2749 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2750 newline,
adamc@609 2751 string "uw_write(ctx, \"<html>\");",
adamc@643 2752 newline,
adamc@643 2753 string "uw_set_script_header(ctx, \"",
adamc@643 2754 string (case side of
adamc@693 2755 ServerOnly => ""
adamc@693 2756 | _ => "<script src=\\\""
adamc@693 2757 ^ OS.Path.joinDirFile {dir = !Monoize.urlPrefix,
adamc@693 2758 file = "app.js"}
adamc@693 2759 ^ "\\\"></script>\\n"),
adamc@643 2760 string "\");",
adamc@693 2761 newline,
adamc@693 2762 string "uw_set_needs_push(ctx, ",
adamc@693 2763 string (case side of
adamc@693 2764 ServerAndPullAndPush => "1"
adamc@693 2765 | _ => "0"),
adamc@693 2766 string ");",
adamc@693 2767 newline,
adamc@667 2768 string "uw_set_url_prefix(ctx, \"",
adamc@667 2769 string (!Monoize.urlPrefix),
adamc@667 2770 string "\");",
adamc@609 2771 newline]),
adamc@736 2772 string "uw_set_needs_sig(ctx, ",
adamc@736 2773 string (if couldWrite ek then
adamc@736 2774 "1"
adamc@736 2775 else
adamc@736 2776 "0"),
adamc@736 2777 string ");",
adamc@736 2778 newline,
adamc@682 2779 string "uw_login(ctx);",
adamc@682 2780 newline,
adamc@144 2781 box [string "{",
adamc@144 2782 newline,
adamc@144 2783 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2784 space,
adamc@144 2785 string "arg",
adamc@144 2786 string (Int.toString i),
adamc@144 2787 space,
adamc@144 2788 string "=",
adamc@144 2789 space,
adamc@463 2790 unurlify env t,
adamc@144 2791 string ";",
adamc@144 2792 newline]) ts),
adamc@144 2793 defInputs,
adamc@609 2794 box (case ek of
adamc@731 2795 Core.Rpc _ => [p_typ env ran,
adamc@731 2796 space,
adamc@731 2797 string "it0",
adamc@731 2798 space,
adamc@731 2799 string "=",
adamc@731 2800 space]
adamc@609 2801 | _ => []),
adamc@144 2802 p_enamed env n,
adamc@144 2803 string "(",
adamc@144 2804 p_list_sep (box [string ",", space])
adamc@144 2805 (fn x => x)
adamc@272 2806 (string "ctx"
adamc@280 2807 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2808 inputsVar,
adamc@311 2809 string ", uw_unit_v);",
adamc@144 2810 newline,
adamc@609 2811 box (case ek of
adamc@731 2812 Core.Rpc _ => [urlify env ran]
adamc@609 2813 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2814 newline]),
adamc@144 2815 string "return;",
adamc@144 2816 newline,
adamc@144 2817 string "}",
adamc@144 2818 newline,
adamc@144 2819 string "}"]
adamc@144 2820 ]
adamc@144 2821 end
adamc@144 2822
adamc@144 2823 val pds' = map p_page ps
adamc@275 2824
adamc@707 2825 val tables = List.mapPartial (fn (DTable (s, xts, _, _), _) => SOME (s, xts)
adamc@275 2826 | _ => NONE) ds
adamc@377 2827 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2828 | _ => NONE) ds
adamc@275 2829
adamc@275 2830 val validate =
adamc@311 2831 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2832 newline,
adamc@311 2833 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2834 newline,
adamc@275 2835 string "PGresult *res;",
adamc@275 2836 newline,
adamc@275 2837 newline,
adamc@275 2838 p_list_sep newline
adamc@275 2839 (fn (s, xts) =>
adamc@275 2840 let
adamc@377 2841 val sl = CharVector.map Char.toLower s
adamc@377 2842
adamc@275 2843 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2844 ^ sl ^ "'"
adamc@275 2845
adamc@275 2846 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2847 sl,
adamc@275 2848 "') AND (",
adamc@275 2849 String.concatWith " OR "
adamc@275 2850 (map (fn (x, t) =>
adamc@311 2851 String.concat ["(attname = 'uw_",
adamc@275 2852 CharVector.map
adamc@316 2853 Char.toLower (ident x),
adamc@275 2854 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2855 " WHERE typname = '",
adamc@467 2856 p_sqltype_base' env t,
adamc@467 2857 "') AND attnotnull = ",
adamc@467 2858 if is_not_null t then
adamc@467 2859 "TRUE"
adamc@467 2860 else
adamc@467 2861 "FALSE",
adamc@467 2862 ")"]) xts),
adamc@275 2863 ")"]
adamc@275 2864
adamc@275 2865 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2866 sl,
adamc@325 2867 "') AND attname LIKE 'uw_%'"]
adamc@275 2868 in
adamc@275 2869 box [string "res = PQexec(conn, \"",
adamc@275 2870 string q,
adamc@275 2871 string "\");",
adamc@275 2872 newline,
adamc@275 2873 newline,
adamc@275 2874 string "if (res == NULL) {",
adamc@275 2875 newline,
adamc@275 2876 box [string "PQfinish(conn);",
adamc@275 2877 newline,
adamc@311 2878 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2879 newline],
adamc@275 2880 string "}",
adamc@275 2881 newline,
adamc@275 2882 newline,
adamc@275 2883 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2884 newline,
adamc@275 2885 box [string "char msg[1024];",
adamc@275 2886 newline,
adamc@275 2887 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2888 newline,
adamc@275 2889 string "msg[1023] = 0;",
adamc@275 2890 newline,
adamc@275 2891 string "PQclear(res);",
adamc@275 2892 newline,
adamc@275 2893 string "PQfinish(conn);",
adamc@275 2894 newline,
adamc@311 2895 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2896 string q,
adamc@275 2897 string "\\n%s\", msg);",
adamc@275 2898 newline],
adamc@275 2899 string "}",
adamc@275 2900 newline,
adamc@275 2901 newline,
adamc@275 2902 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2903 newline,
adamc@275 2904 box [string "PQclear(res);",
adamc@275 2905 newline,
adamc@275 2906 string "PQfinish(conn);",
adamc@275 2907 newline,
adamc@311 2908 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2909 string s,
adamc@275 2910 string "' does not exist.\");",
adamc@275 2911 newline],
adamc@275 2912 string "}",
adamc@275 2913 newline,
adamc@275 2914 newline,
adamc@275 2915 string "PQclear(res);",
adamc@275 2916 newline,
adamc@275 2917
adamc@275 2918 string "res = PQexec(conn, \"",
adamc@275 2919 string q',
adamc@275 2920 string "\");",
adamc@275 2921 newline,
adamc@275 2922 newline,
adamc@275 2923 string "if (res == NULL) {",
adamc@275 2924 newline,
adamc@275 2925 box [string "PQfinish(conn);",
adamc@275 2926 newline,
adamc@311 2927 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2928 newline],
adamc@275 2929 string "}",
adamc@275 2930 newline,
adamc@275 2931 newline,
adamc@275 2932 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2933 newline,
adamc@275 2934 box [string "char msg[1024];",
adamc@275 2935 newline,
adamc@275 2936 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2937 newline,
adamc@275 2938 string "msg[1023] = 0;",
adamc@275 2939 newline,
adamc@275 2940 string "PQclear(res);",
adamc@275 2941 newline,
adamc@275 2942 string "PQfinish(conn);",
adamc@275 2943 newline,
adamc@311 2944 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2945 string q',
adamc@275 2946 string "\\n%s\", msg);",
adamc@275 2947 newline],
adamc@275 2948 string "}",
adamc@275 2949 newline,
adamc@275 2950 newline,
adamc@275 2951 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2952 string (Int.toString (length xts)),
adamc@275 2953 string "\")) {",
adamc@275 2954 newline,
adamc@275 2955 box [string "PQclear(res);",
adamc@275 2956 newline,
adamc@275 2957 string "PQfinish(conn);",
adamc@275 2958 newline,
adamc@311 2959 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2960 string s,
adamc@275 2961 string "' has the wrong column types.\");",
adamc@275 2962 newline],
adamc@275 2963 string "}",
adamc@275 2964 newline,
adamc@275 2965 newline,
adamc@275 2966 string "PQclear(res);",
adamc@275 2967 newline,
adamc@275 2968 newline,
adamc@275 2969
adamc@275 2970 string "res = PQexec(conn, \"",
adamc@275 2971 string q'',
adamc@275 2972 string "\");",
adamc@275 2973 newline,
adamc@275 2974 newline,
adamc@275 2975 string "if (res == NULL) {",
adamc@275 2976 newline,
adamc@275 2977 box [string "PQfinish(conn);",
adamc@275 2978 newline,
adamc@311 2979 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2980 newline],
adamc@275 2981 string "}",
adamc@275 2982 newline,
adamc@275 2983 newline,
adamc@275 2984 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2985 newline,
adamc@275 2986 box [string "char msg[1024];",
adamc@275 2987 newline,
adamc@275 2988 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2989 newline,
adamc@275 2990 string "msg[1023] = 0;",
adamc@275 2991 newline,
adamc@275 2992 string "PQclear(res);",
adamc@275 2993 newline,
adamc@275 2994 string "PQfinish(conn);",
adamc@275 2995 newline,
adamc@311 2996 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2997 string q'',
adamc@275 2998 string "\\n%s\", msg);",
adamc@275 2999 newline],
adamc@275 3000 string "}",
adamc@275 3001 newline,
adamc@275 3002 newline,
adamc@275 3003 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 3004 string (Int.toString (length xts)),
adamc@275 3005 string "\")) {",
adamc@275 3006 newline,
adamc@275 3007 box [string "PQclear(res);",
adamc@275 3008 newline,
adamc@275 3009 string "PQfinish(conn);",
adamc@275 3010 newline,
adamc@311 3011 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 3012 string s,
adamc@275 3013 string "' has extra columns.\");",
adamc@275 3014 newline],
adamc@275 3015 string "}",
adamc@275 3016 newline,
adamc@275 3017 newline,
adamc@275 3018 string "PQclear(res);",
adamc@275 3019 newline]
adamc@275 3020 end) tables,
adamc@377 3021
adamc@377 3022 p_list_sep newline
adamc@377 3023 (fn s =>
adamc@377 3024 let
adamc@377 3025 val sl = CharVector.map Char.toLower s
adamc@377 3026
adamc@377 3027 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 3028 ^ sl ^ "' AND relkind = 'S'"
adamc@377 3029 in
adamc@377 3030 box [string "res = PQexec(conn, \"",
adamc@377 3031 string q,
adamc@377 3032 string "\");",
adamc@377 3033 newline,
adamc@377 3034 newline,
adamc@377 3035 string "if (res == NULL) {",
adamc@377 3036 newline,
adamc@377 3037 box [string "PQfinish(conn);",
adamc@377 3038 newline,
adamc@377 3039 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 3040 newline],
adamc@377 3041 string "}",
adamc@377 3042 newline,
adamc@377 3043 newline,
adamc@377 3044 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 3045 newline,
adamc@377 3046 box [string "char msg[1024];",
adamc@377 3047 newline,
adamc@377 3048 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 3049 newline,
adamc@377 3050 string "msg[1023] = 0;",
adamc@377 3051 newline,
adamc@377 3052 string "PQclear(res);",
adamc@377 3053 newline,
adamc@377 3054 string "PQfinish(conn);",
adamc@377 3055 newline,
adamc@377 3056 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 3057 string q,
adamc@377 3058 string "\\n%s\", msg);",
adamc@377 3059 newline],
adamc@377 3060 string "}",
adamc@377 3061 newline,
adamc@377 3062 newline,
adamc@377 3063 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 3064 newline,
adamc@377 3065 box [string "PQclear(res);",
adamc@377 3066 newline,
adamc@377 3067 string "PQfinish(conn);",
adamc@377 3068 newline,
adamc@377 3069 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 3070 string s,
adamc@377 3071 string "' does not exist.\");",
adamc@377 3072 newline],
adamc@377 3073 string "}",
adamc@377 3074 newline,
adamc@377 3075 newline,
adamc@377 3076 string "PQclear(res);",
adamc@377 3077 newline]
adamc@377 3078 end) sequences,
adamc@377 3079
adamc@275 3080 string "}"]
adamc@432 3081
adamc@432 3082 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@734 3083
adamc@734 3084 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 3085
adamc@734 3086 val cookieCode = foldl (fn (cookie, acc) =>
adamc@734 3087 SOME (case acc of
adamc@734 3088 NONE => string ("uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 3089 ^ cookie ^ "\"))")
adamc@734 3090 | SOME acc => box [string ("uw_Basis_strcat(ctx, uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 3091 ^ cookie ^ "\")), uw_Basis_strcat(ctx, \"/\", "),
adamc@734 3092 acc,
adamc@734 3093 string "))"]))
adamc@734 3094 NONE cookies
adamc@29 3095 in
adamc@144 3096 box [string "#include <stdio.h>",
adamc@144 3097 newline,
adamc@144 3098 string "#include <stdlib.h>",
adamc@144 3099 newline,
adamc@272 3100 string "#include <string.h>",
adamc@272 3101 newline,
adamc@390 3102 string "#include <math.h>",
adamc@390 3103 newline,
adamc@432 3104 if hasDb then
adamc@432 3105 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 3106 newline]
adamc@432 3107 else
adamc@432 3108 box [],
adamc@144 3109 newline,
adamc@378 3110 string "#include \"",
adamc@378 3111 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 3112 file = "urweb.h"}),
adamc@378 3113 string "\"",
adamc@101 3114 newline,
adamc@101 3115 newline,
adamc@101 3116 p_list_sep newline (fn x => x) pds,
adamc@101 3117 newline,
adamc@311 3118 string "int uw_inputs_len = ",
adamc@144 3119 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 3120 string ";",
adamc@144 3121 newline,
adamc@673 3122 string "int uw_timeout = ",
adamc@673 3123 string (Int.toString (!timeout)),
adamc@673 3124 string ";",
adamc@673 3125 newline,
adamc@144 3126 newline,
adamc@311 3127 string "int uw_input_num(char *name) {",
adamc@144 3128 newline,
adamc@144 3129 makeSwitch (fnums, 0),
adamc@144 3130 string "}",
adamc@144 3131 newline,
adamc@144 3132 newline,
adamc@734 3133
adamc@734 3134 string "extern void uw_sign(const char *in, char *out);",
adamc@734 3135 newline,
adamc@734 3136 string "extern int uw_hash_blocksize;",
adamc@734 3137 newline,
adamc@734 3138 string "uw_Basis_string uw_cookie_sig(uw_context ctx) {",
adamc@734 3139 newline,
adamc@734 3140 box [string "uw_Basis_string r = uw_malloc(ctx, uw_hash_blocksize);",
adamc@734 3141 newline,
adamc@734 3142 string "uw_sign(",
adamc@734 3143 case cookieCode of
adamc@734 3144 NONE => string "\"\""
adamc@734 3145 | SOME code => code,
adamc@734 3146 string ", r);",
adamc@734 3147 newline,
adamc@734 3148 string "return uw_Basis_makeSigString(ctx, r);",
adamc@734 3149 newline],
adamc@734 3150 string "}",
adamc@734 3151 newline,
adamc@734 3152 newline,
adamc@734 3153
adamc@311 3154 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 3155 newline,
adamc@569 3156 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 3157 newline,
adamc@569 3158 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 3159 newline,
adamc@569 3160 string "uw_write(ctx, jslib);",
adamc@569 3161 newline,
adamc@569 3162 string "return;",
adamc@569 3163 newline],
adamc@569 3164 string "}",
adamc@569 3165 newline,
adamc@101 3166 p_list_sep newline (fn x => x) pds',
adamc@101 3167 newline,
adamc@387 3168 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 3169 newline,
adamc@101 3170 string "}",
adamc@275 3171 newline,
adamc@275 3172 newline,
adamc@432 3173 if hasDb then
adamc@432 3174 validate
adamc@432 3175 else
adamc@432 3176 box [],
adamc@376 3177 newline,
adamc@376 3178 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 3179 box []
adamc@376 3180 else
adamc@376 3181 box [newline,
adamc@376 3182 string "void uw_db_init(uw_context ctx) { };",
adamc@424 3183 newline,
adamc@424 3184 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 3185 newline,
adamc@424 3186 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 3187 newline,
adamc@424 3188 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@684 3189 newline,
adamc@684 3190 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) { };",
adamc@687 3191 newline,
adamc@687 3192 string "void uw_initializer(uw_context ctx) { };",
adamc@376 3193 newline]]
adamc@29 3194 end
adamc@29 3195
adamc@274 3196 fun p_sql env (ds, _) =
adamc@274 3197 let
adamc@274 3198 val (pps, _) = ListUtil.foldlMap
adamc@274 3199 (fn (dAll as (d, _), env) =>
adamc@274 3200 let
adamc@274 3201 val pp = case d of
adamc@707 3202 DTable (s, xts, pk, csts) =>
adamc@274 3203 box [string "CREATE TABLE ",
adamc@274 3204 string s,
adamc@274 3205 string "(",
adamc@274 3206 p_list (fn (x, t) =>
adamc@311 3207 box [string "uw_",
adamc@275 3208 string (CharVector.map Char.toLower x),
adamc@274 3209 space,
adamc@467 3210 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@707 3211 case (pk, csts) of
adamc@707 3212 ("", []) => box []
adamc@707 3213 | _ => string ",",
adamc@704 3214 cut,
adamc@707 3215 case pk of
adamc@707 3216 "" => box []
adamc@707 3217 | _ => box [string "PRIMARY",
adamc@707 3218 space,
adamc@707 3219 string "KEY",
adamc@707 3220 space,
adamc@707 3221 string "(",
adamc@707 3222 string pk,
adamc@707 3223 string ")",
adamc@707 3224 case csts of
adamc@707 3225 [] => box []
adamc@707 3226 | _ => string ",",
adamc@707 3227 newline],
adamc@704 3228 p_list_sep (box [string ",", newline])
adamc@704 3229 (fn (x, c) =>
adamc@704 3230 box [string "CONSTRAINT",
adamc@704 3231 space,
adamc@704 3232 string s,
adamc@704 3233 string "_",
adamc@704 3234 string x,
adamc@704 3235 space,
adamc@704 3236 string c]) csts,
adamc@704 3237 newline,
adamc@274 3238 string ");",
adamc@274 3239 newline,
adamc@274 3240 newline]
adamc@338 3241 | DSequence s =>
adamc@338 3242 box [string "CREATE SEQUENCE ",
adamc@338 3243 string s,
adamc@338 3244 string ";",
adamc@338 3245 newline,
adamc@338 3246 newline]
adamc@754 3247 | DView (s, xts, q) =>
adamc@754 3248 box [string "CREATE VIEW",
adamc@754 3249 space,
adamc@754 3250 string s,
adamc@754 3251 space,
adamc@754 3252 string "AS",
adamc@754 3253 space,
adamc@754 3254 string q,
adamc@754 3255 string ";",
adamc@754 3256 newline,
adamc@754 3257 newline]
adamc@274 3258 | _ => box []
adamc@274 3259 in
adamc@274 3260 (pp, E.declBinds env dAll)
adamc@274 3261 end)
adamc@274 3262 env ds
adamc@274 3263 in
adamc@274 3264 box pps
adamc@274 3265 end
adamc@274 3266
adamc@29 3267 end