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annotate src/cjr_print.sml @ 741:f7e2026dd5ae

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Returning a blob as page result
author Adam Chlipala <adamc@hcoop.net>
date Sun, 26 Apr 2009 09:02:17 -0400
parents 4bb7e1c0550a
children 43553c93dd8c
rev   line source
adamc@643 1 (* Copyright (c) 2008-2009, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@463 65 fun isUnboxable (t : typ) =
adamc@463 66 case #1 t of
adamc@463 67 TDatatype (Default, _, _) => true
adamc@463 68 | TFfi ("Basis", "string") => true
adamc@463 69 | _ => false
adamc@463 70
adamc@29 71 fun p_typ' par env (t, loc) =
adamc@29 72 case t of
adamc@476 73 TFun (t1, t2) => (EM.errorAt loc "Function type remains";
adamc@476 74 string "<FUNCTION>")
adamc@29 75 | TRecord i => box [string "struct",
adamc@29 76 space,
adamc@311 77 string "__uws_",
adamc@29 78 string (Int.toString i)]
adamc@188 79 | TDatatype (Enum, n, _) =>
adamc@188 80 (box [string "enum",
adamc@188 81 space,
adamc@311 82 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 83 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 84 | TDatatype (Option, n, xncs) =>
adamc@198 85 (case ListUtil.search #3 (!xncs) of
adamc@198 86 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 87 | SOME t =>
adamc@198 88 case #1 t of
adamc@198 89 TDatatype _ => p_typ' par env t
adamc@199 90 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 91 | _ => box [p_typ' par env t,
adamc@198 92 string "*"])
adamc@188 93 | TDatatype (Default, n, _) =>
adamc@165 94 (box [string "struct",
adamc@165 95 space,
adamc@311 96 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 97 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 98 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 99 | TOption t =>
adamc@463 100 if isUnboxable t then
adamc@463 101 p_typ' par env t
adamc@463 102 else
adamc@463 103 box [p_typ' par env t,
adamc@463 104 string "*"]
adamc@29 105
adamc@29 106 and p_typ env = p_typ' false env
adamc@29 107
adamc@316 108 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 109 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 110
adamc@109 111 fun p_enamed env n =
adamc@316 112 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 113 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 114
adamc@182 115 fun p_con_named env n =
adamc@316 116 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 117 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 118
adamc@182 119 fun p_pat_preamble env (p, _) =
adamc@182 120 case p of
adamc@182 121 PWild => (box [],
adamc@182 122 env)
adamc@182 123 | PVar (x, t) => (box [p_typ env t,
adamc@182 124 space,
adamc@311 125 string "__uwr_",
adamc@316 126 p_ident x,
adamc@182 127 string "_",
adamc@182 128 string (Int.toString (E.countERels env)),
adamc@182 129 string ";",
adamc@182 130 newline],
adamc@196 131 E.pushERel env x t)
adamc@182 132 | PPrim _ => (box [], env)
adamc@188 133 | PCon (_, _, NONE) => (box [], env)
adamc@188 134 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 135 | PRecord xps =>
adamc@182 136 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 137 let
adamc@182 138 val (pp', env) = p_pat_preamble env p
adamc@182 139 in
adamc@182 140 (box [pp', pp], env)
adamc@182 141 end) (box [], env) xps
adamc@288 142 | PNone _ => (box [], env)
adamc@288 143 | PSome (_, p) => p_pat_preamble env p
adamc@182 144
adamc@182 145 fun p_patCon env pc =
adamc@182 146 case pc of
adamc@182 147 PConVar n => p_con_named env n
adamc@316 148 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 149
adamc@182 150 fun p_pat (env, exit, depth) (p, _) =
adamc@182 151 case p of
adamc@182 152 PWild =>
adamc@182 153 (box [], env)
adamc@182 154 | PVar (x, t) =>
adamc@311 155 (box [string "__uwr_",
adamc@316 156 p_ident x,
adamc@182 157 string "_",
adamc@182 158 string (Int.toString (E.countERels env)),
adamc@182 159 space,
adamc@182 160 string "=",
adamc@182 161 space,
adamc@182 162 string "disc",
adamc@182 163 string (Int.toString depth),
adamc@182 164 string ";"],
adamc@182 165 E.pushERel env x t)
adamc@182 166 | PPrim (Prim.Int n) =>
adamc@182 167 (box [string "if",
adamc@182 168 space,
adamc@182 169 string "(disc",
adamc@182 170 string (Int.toString depth),
adamc@182 171 space,
adamc@182 172 string "!=",
adamc@182 173 space,
adamc@276 174 Prim.p_t_GCC (Prim.Int n),
adamc@182 175 string ")",
adamc@182 176 space,
adamc@182 177 exit],
adamc@182 178 env)
adamc@182 179 | PPrim (Prim.String s) =>
adamc@182 180 (box [string "if",
adamc@182 181 space,
adamc@182 182 string "(strcmp(disc",
adamc@182 183 string (Int.toString depth),
adamc@182 184 string ",",
adamc@182 185 space,
adamc@276 186 Prim.p_t_GCC (Prim.String s),
adamc@182 187 string "))",
adamc@182 188 space,
adamc@182 189 exit],
adamc@182 190 env)
adamc@182 191 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 192
adamc@188 193 | PCon (dk, pc, po) =>
adamc@182 194 let
adamc@182 195 val (p, env) =
adamc@182 196 case po of
adamc@182 197 NONE => (box [], env)
adamc@182 198 | SOME p =>
adamc@182 199 let
adamc@182 200 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 201
adamc@182 202 val (x, to) = case pc of
adamc@182 203 PConVar n =>
adamc@182 204 let
adamc@182 205 val (x, to, _) = E.lookupConstructor env n
adamc@182 206 in
adamc@316 207 ("uw_" ^ ident x, to)
adamc@182 208 end
adamc@188 209 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 210 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 211
adamc@182 212 val t = case to of
adamc@182 213 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 214 | SOME t => t
adamc@182 215 in
adamc@182 216 (box [string "{",
adamc@182 217 newline,
adamc@182 218 p_typ env t,
adamc@182 219 space,
adamc@182 220 string "disc",
adamc@182 221 string (Int.toString (depth + 1)),
adamc@182 222 space,
adamc@182 223 string "=",
adamc@182 224 space,
adamc@198 225 case dk of
adamc@198 226 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 227 | Default => box [string "disc",
adamc@198 228 string (Int.toString depth),
adamc@198 229 string "->data.",
adamc@198 230 string x]
adamc@198 231 | Option =>
adamc@463 232 if isUnboxable t then
adamc@463 233 box [string "disc",
adamc@463 234 string (Int.toString depth)]
adamc@463 235 else
adamc@463 236 box [string "*disc",
adamc@463 237 string (Int.toString depth)],
adamc@182 238 string ";",
adamc@182 239 newline,
adamc@182 240 p,
adamc@182 241 newline,
adamc@182 242 string "}"],
adamc@182 243 env)
adamc@182 244 end
adamc@182 245 in
adamc@182 246 (box [string "if",
adamc@182 247 space,
adamc@182 248 string "(disc",
adamc@182 249 string (Int.toString depth),
adamc@198 250 case (dk, po) of
adamc@198 251 (Enum, _) => box [space,
adamc@198 252 string "!=",
adamc@198 253 space,
adamc@198 254 p_patCon env pc]
adamc@198 255 | (Default, _) => box [string "->tag",
adamc@198 256 space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Option, NONE) => box [space,
adamc@198 261 string "!=",
adamc@198 262 space,
adamc@198 263 string "NULL"]
adamc@198 264 | (Option, SOME _) => box [space,
adamc@198 265 string "==",
adamc@198 266 space,
adamc@198 267 string "NULL"],
adamc@182 268 string ")",
adamc@182 269 space,
adamc@182 270 exit,
adamc@182 271 newline,
adamc@182 272 p],
adamc@182 273 env)
adamc@182 274 end
adamc@182 275
adamc@182 276 | PRecord xps =>
adamc@182 277 let
adamc@182 278 val (xps, env) =
adamc@182 279 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 280 let
adamc@182 281 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 282
adamc@182 283 val p = box [string "{",
adamc@182 284 newline,
adamc@182 285 p_typ env t,
adamc@182 286 space,
adamc@182 287 string "disc",
adamc@182 288 string (Int.toString (depth + 1)),
adamc@182 289 space,
adamc@182 290 string "=",
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString depth),
adamc@311 294 string ".__uwf_",
adamc@316 295 p_ident x,
adamc@182 296 string ";",
adamc@182 297 newline,
adamc@182 298 p,
adamc@182 299 newline,
adamc@182 300 string "}"]
adamc@182 301 in
adamc@182 302 (p, env)
adamc@182 303 end) env xps
adamc@182 304 in
adamc@182 305 (p_list_sep newline (fn x => x) xps,
adamc@182 306 env)
adamc@182 307 end
adamc@182 308
adamc@288 309 | PNone t =>
adamc@288 310 (box [string "if",
adamc@288 311 space,
adamc@288 312 string "(disc",
adamc@288 313 string (Int.toString depth),
adamc@288 314 space,
adamc@288 315 string "!=",
adamc@288 316 space,
adamc@288 317 string "NULL)",
adamc@288 318 space,
adamc@288 319 exit,
adamc@288 320 newline],
adamc@288 321 env)
adamc@288 322
adamc@288 323 | PSome (t, p) =>
adamc@288 324 let
adamc@288 325 val (p, env) =
adamc@288 326 let
adamc@288 327 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 328 in
adamc@288 329 (box [string "{",
adamc@288 330 newline,
adamc@288 331 p_typ env t,
adamc@288 332 space,
adamc@288 333 string "disc",
adamc@288 334 string (Int.toString (depth + 1)),
adamc@288 335 space,
adamc@288 336 string "=",
adamc@288 337 space,
adamc@463 338 if isUnboxable t then
adamc@463 339 box [string "disc",
adamc@463 340 string (Int.toString depth)]
adamc@463 341 else
adamc@463 342 box [string "*disc",
adamc@463 343 string (Int.toString depth)],
adamc@288 344 string ";",
adamc@288 345 newline,
adamc@288 346 p,
adamc@288 347 newline,
adamc@288 348 string "}"],
adamc@288 349 env)
adamc@288 350 end
adamc@288 351 in
adamc@288 352 (box [string "if",
adamc@288 353 space,
adamc@288 354 string "(disc",
adamc@288 355 string (Int.toString depth),
adamc@288 356 space,
adamc@288 357 string "==",
adamc@288 358 space,
adamc@288 359 string "NULL)",
adamc@288 360 space,
adamc@288 361 exit,
adamc@288 362 newline,
adamc@288 363 p],
adamc@288 364 env)
adamc@288 365 end
adamc@288 366
adamc@182 367 local
adamc@182 368 val count = ref 0
adamc@182 369 in
adamc@182 370 fun newGoto () =
adamc@182 371 let
adamc@182 372 val r = !count
adamc@182 373 in
adamc@182 374 count := r + 1;
adamc@182 375 string ("L" ^ Int.toString r)
adamc@182 376 end
adamc@182 377 end
adamc@182 378
adamc@185 379 fun patConInfo env pc =
adamc@185 380 case pc of
adamc@185 381 PConVar n =>
adamc@185 382 let
adamc@185 383 val (x, _, dn) = E.lookupConstructor env n
adamc@185 384 val (dx, _) = E.lookupDatatype env dn
adamc@185 385 in
adamc@316 386 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 387 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 388 "uw_" ^ ident x)
adamc@185 389 end
adamc@186 390 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 391 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 392 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 393 "uw_" ^ ident con)
adamc@185 394
adamc@324 395 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 396 case t of
adamc@311 397 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 398 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 399 | TFfi ("Basis", "string") =>
adamc@324 400 if wontLeakStrings then
adamc@324 401 e
adamc@324 402 else
adamc@737 403 box [string "uw_strdup(ctx, ", e, string ")"]
adamc@311 404 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 405 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@678 406 | TFfi ("Basis", "channel") => box [string "uw_Basis_stringToChannel_error(ctx, ", e, string ")"]
adamc@682 407 | TFfi ("Basis", "client") => box [string "uw_Basis_stringToClient_error(ctx, ", e, string ")"]
adamc@467 408
adamc@278 409 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 410 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 411 string "ERROR")
adamc@278 412
adamc@467 413 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 414 case t of
adamc@467 415 TOption t =>
adamc@467 416 box [string "(PQgetisnull (res, i, ",
adamc@467 417 string (Int.toString i),
adamc@467 418 string ") ? NULL : ",
adamc@467 419 case t of
adamc@467 420 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 421 | _ => box [string "({",
adamc@467 422 newline,
adamc@467 423 p_typ env t,
adamc@467 424 space,
adamc@467 425 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 426 p_typ env t,
adamc@467 427 string "));",
adamc@467 428 newline,
adamc@467 429 string "*tmp = ",
adamc@467 430 p_getcol wontLeakStrings env t i,
adamc@467 431 string ";",
adamc@467 432 newline,
adamc@467 433 string "tmp;",
adamc@467 434 newline,
adamc@467 435 string "})"],
adamc@467 436 string ")"]
adamc@467 437
adamc@467 438 | _ =>
adamc@467 439 p_unsql wontLeakStrings env tAll
adamc@467 440 (box [string "PQgetvalue(res, i, ",
adamc@467 441 string (Int.toString i),
adamc@467 442 string ")"])
adamc@467 443
adamc@282 444 datatype sql_type =
adamc@282 445 Int
adamc@282 446 | Float
adamc@282 447 | String
adamc@282 448 | Bool
adamc@439 449 | Time
adamc@737 450 | Blob
adamc@678 451 | Channel
adamc@682 452 | Client
adamc@467 453 | Nullable of sql_type
adamc@282 454
adamc@737 455 fun isBlob Blob = true
adamc@737 456 | isBlob (Nullable t) = isBlob t
adamc@737 457 | isBlob _ = false
adamc@737 458
adamc@739 459 fun isFile (t : typ) =
adamc@737 460 case #1 t of
adamc@739 461 TFfi ("Basis", "file") => true
adamc@737 462 | _ => false
adamc@737 463
adamc@467 464 fun p_sql_type' t =
adamc@467 465 case t of
adamc@467 466 Int => "uw_Basis_int"
adamc@467 467 | Float => "uw_Basis_float"
adamc@467 468 | String => "uw_Basis_string"
adamc@467 469 | Bool => "uw_Basis_bool"
adamc@467 470 | Time => "uw_Basis_time"
adamc@737 471 | Blob => "uw_Basis_blob"
adamc@678 472 | Channel => "uw_Basis_channel"
adamc@682 473 | Client => "uw_Basis_client"
adamc@467 474 | Nullable String => "uw_Basis_string"
adamc@467 475 | Nullable t => p_sql_type' t ^ "*"
adamc@467 476
adamc@467 477 fun p_sql_type t = string (p_sql_type' t)
adamc@282 478
adamc@282 479 fun getPargs (e, _) =
adamc@282 480 case e of
adamc@282 481 EPrim (Prim.String _) => []
adamc@282 482 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 483
adamc@282 484 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 485 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 486 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 487 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 488 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@737 489 | EFfiApp ("Basis", "sqlifyBlob", [e]) => [(e, Blob)]
adamc@678 490 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@682 491 | EFfiApp ("Basis", "sqlifyClient", [e]) => [(e, Client)]
adamc@468 492
adamc@678 493 | ECase (e,
adamc@678 494 [((PNone _, _),
adamc@678 495 (EPrim (Prim.String "NULL"), _)),
adamc@678 496 ((PSome (_, (PVar _, _)), _),
adamc@678 497 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 498 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 499
adamc@491 500 | ECase (e,
adamc@491 501 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 502 (EPrim (Prim.String "TRUE"), _)),
adamc@491 503 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 504 (EPrim (Prim.String "FALSE"), _))],
adamc@491 505 _) => [(e, Bool)]
adamc@282 506
adamc@282 507 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 508
adamc@282 509 fun p_ensql t e =
adamc@282 510 case t of
adamc@311 511 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 512 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 513 | String => e
adamc@295 514 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@682 515 | Time => box [string "uw_Basis_attrifyTime(ctx, ", e, string ")"]
adamc@737 516 | Blob => box [e, string ".data"]
adamc@678 517 | Channel => box [string "uw_Basis_attrifyChannel(ctx, ", e, string ")"]
adamc@682 518 | Client => box [string "uw_Basis_attrifyClient(ctx, ", e, string ")"]
adamc@467 519 | Nullable String => e
adamc@467 520 | Nullable t => box [string "(",
adamc@467 521 e,
adamc@467 522 string " == NULL ? NULL : ",
adamc@467 523 p_ensql t (box [string "*", e]),
adamc@467 524 string ")"]
adamc@282 525
adamc@324 526 fun notLeaky env allowHeapAllocated =
adamc@324 527 let
adamc@638 528 fun nl ok (t, _) =
adamc@324 529 case t of
adamc@324 530 TFun _ => false
adamc@324 531 | TRecord n =>
adamc@324 532 let
adamc@324 533 val xts = E.lookupStruct env n
adamc@324 534 in
adamc@638 535 List.all (fn (_, t) => nl ok t) xts
adamc@324 536 end
adamc@638 537 | TDatatype (dk, n, ref cons) =>
adamc@638 538 IS.member (ok, n)
adamc@638 539 orelse
adamc@638 540 ((allowHeapAllocated orelse dk = Enum)
adamc@638 541 andalso
adamc@638 542 let
adamc@638 543 val ok' = IS.add (ok, n)
adamc@638 544 in
adamc@638 545 List.all (fn (_, _, to) => case to of
adamc@638 546 NONE => true
adamc@638 547 | SOME t => nl ok' t) cons
adamc@638 548 end)
adamc@324 549 | TFfi ("Basis", "string") => false
adamc@737 550 | TFfi ("Basis", "blob") => false
adamc@324 551 | TFfi _ => true
adamc@638 552 | TOption t => allowHeapAllocated andalso nl ok t
adamc@324 553 in
adamc@638 554 nl IS.empty
adamc@324 555 end
adamc@324 556
adamc@463 557 fun capitalize s =
adamc@463 558 if s = "" then
adamc@463 559 ""
adamc@463 560 else
adamc@463 561 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 562
adamc@463 563 fun unurlify env (t, loc) =
adamc@463 564 let
adamc@463 565 fun unurlify' rf t =
adamc@463 566 case t of
adamc@463 567 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 568 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 569
adamc@463 570 | TRecord 0 => string "uw_unit_v"
adamc@463 571 | TRecord i =>
adamc@463 572 let
adamc@463 573 val xts = E.lookupStruct env i
adamc@463 574 in
adamc@463 575 box [string "({",
adamc@463 576 newline,
adamc@463 577 box (map (fn (x, t) =>
adamc@463 578 box [p_typ env t,
adamc@463 579 space,
adamc@463 580 string "uwr_",
adamc@463 581 string x,
adamc@463 582 space,
adamc@463 583 string "=",
adamc@463 584 space,
adamc@463 585 unurlify' rf (#1 t),
adamc@463 586 string ";",
adamc@463 587 newline]) xts),
adamc@463 588 string "struct",
adamc@463 589 space,
adamc@463 590 string "__uws_",
adamc@463 591 string (Int.toString i),
adamc@463 592 space,
adamc@463 593 string "tmp",
adamc@463 594 space,
adamc@463 595 string "=",
adamc@463 596 space,
adamc@463 597 string "{",
adamc@463 598 space,
adamc@463 599 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 600 string x]) xts,
adamc@463 601 space,
adamc@463 602 string "};",
adamc@463 603 newline,
adamc@463 604 string "tmp;",
adamc@463 605 newline,
adamc@463 606 string "})"]
adamc@463 607 end
adamc@463 608
adamc@463 609 | TDatatype (Enum, i, _) =>
adamc@463 610 let
adamc@463 611 val (x, xncs) = E.lookupDatatype env i
adamc@463 612
adamc@463 613 fun doEm xncs =
adamc@463 614 case xncs of
adamc@463 615 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 616 ^ x ^ "\"), (enum __uwe_"
adamc@463 617 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 618 | (x', n, to) :: rest =>
adamc@463 619 box [string "((!strncmp(request, \"",
adamc@463 620 string x',
adamc@463 621 string "\", ",
adamc@463 622 string (Int.toString (size x')),
adamc@463 623 string ") && (request[",
adamc@463 624 string (Int.toString (size x')),
adamc@463 625 string "] == 0 || request[",
adamc@463 626 string (Int.toString (size x')),
adamc@463 627 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 628 space,
adamc@463 629 string ":",
adamc@463 630 space,
adamc@463 631 doEm rest,
adamc@463 632 string ")"]
adamc@463 633 in
adamc@463 634 doEm xncs
adamc@463 635 end
adamc@463 636
adamc@463 637 | TDatatype (Option, i, xncs) =>
adamc@463 638 if IS.member (rf, i) then
adamc@463 639 box [string "unurlify_",
adamc@463 640 string (Int.toString i),
adamc@463 641 string "()"]
adamc@463 642 else
adamc@463 643 let
adamc@463 644 val (x, _) = E.lookupDatatype env i
adamc@463 645
adamc@463 646 val (no_arg, has_arg, t) =
adamc@463 647 case !xncs of
adamc@463 648 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 649 (no_arg, has_arg, t)
adamc@463 650 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 651 (no_arg, has_arg, t)
adamc@463 652 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 653
adamc@463 654 val rf = IS.add (rf, i)
adamc@463 655 in
adamc@463 656 box [string "({",
adamc@463 657 space,
adamc@463 658 p_typ env t,
adamc@463 659 space,
adamc@463 660 string "*unurlify_",
adamc@463 661 string (Int.toString i),
adamc@463 662 string "(void) {",
adamc@463 663 newline,
adamc@463 664 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 665 newline,
adamc@463 666 string "((!strncmp(request, \"",
adamc@463 667 string no_arg,
adamc@463 668 string "\", ",
adamc@463 669 string (Int.toString (size no_arg)),
adamc@463 670 string ") && (request[",
adamc@463 671 string (Int.toString (size no_arg)),
adamc@463 672 string "] == 0 || request[",
adamc@463 673 string (Int.toString (size no_arg)),
adamc@463 674 string "] == '/')) ? (request",
adamc@463 675 space,
adamc@463 676 string "+=",
adamc@463 677 space,
adamc@463 678 string (Int.toString (size no_arg)),
adamc@463 679 string ", NULL) : ((!strncmp(request, \"",
adamc@463 680 string has_arg,
adamc@463 681 string "\", ",
adamc@463 682 string (Int.toString (size has_arg)),
adamc@463 683 string ") && (request[",
adamc@463 684 string (Int.toString (size has_arg)),
adamc@463 685 string "] == 0 || request[",
adamc@463 686 string (Int.toString (size has_arg)),
adamc@463 687 string "] == '/')) ? (request",
adamc@463 688 space,
adamc@463 689 string "+=",
adamc@463 690 space,
adamc@463 691 string (Int.toString (size has_arg)),
adamc@463 692 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 693 newline,
adamc@463 694
adamc@463 695 if isUnboxable t then
adamc@463 696 unurlify' rf (#1 t)
adamc@463 697 else
adamc@463 698 box [string "({",
adamc@463 699 newline,
adamc@463 700 p_typ env t,
adamc@463 701 space,
adamc@463 702 string "*tmp",
adamc@463 703 space,
adamc@463 704 string "=",
adamc@463 705 space,
adamc@463 706 string "uw_malloc(ctx, sizeof(",
adamc@463 707 p_typ env t,
adamc@463 708 string "));",
adamc@463 709 newline,
adamc@463 710 string "*tmp",
adamc@463 711 space,
adamc@463 712 string "=",
adamc@463 713 space,
adamc@463 714 unurlify' rf (#1 t),
adamc@463 715 string ";",
adamc@463 716 newline,
adamc@463 717 string "tmp;",
adamc@463 718 newline,
adamc@463 719 string "})"],
adamc@463 720 string ")",
adamc@463 721 newline,
adamc@463 722 string ":",
adamc@463 723 space,
adamc@463 724 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 725 ^ "\"), NULL))));"),
adamc@463 726 newline],
adamc@463 727 string "}",
adamc@463 728 newline,
adamc@463 729 newline,
adamc@463 730
adamc@463 731 string "unurlify_",
adamc@463 732 string (Int.toString i),
adamc@463 733 string "();",
adamc@463 734 newline,
adamc@463 735 string "})"]
adamc@463 736 end
adamc@463 737
adamc@463 738 | TDatatype (Default, i, _) =>
adamc@463 739 if IS.member (rf, i) then
adamc@463 740 box [string "unurlify_",
adamc@463 741 string (Int.toString i),
adamc@463 742 string "()"]
adamc@463 743 else
adamc@463 744 let
adamc@463 745 val (x, xncs) = E.lookupDatatype env i
adamc@463 746
adamc@463 747 val rf = IS.add (rf, i)
adamc@463 748
adamc@463 749 fun doEm xncs =
adamc@463 750 case xncs of
adamc@463 751 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 752 ^ x ^ "\"), NULL)")
adamc@463 753 | (x', n, to) :: rest =>
adamc@463 754 box [string "((!strncmp(request, \"",
adamc@463 755 string x',
adamc@463 756 string "\", ",
adamc@463 757 string (Int.toString (size x')),
adamc@463 758 string ") && (request[",
adamc@463 759 string (Int.toString (size x')),
adamc@463 760 string "] == 0 || request[",
adamc@463 761 string (Int.toString (size x')),
adamc@463 762 string "] == '/')) ? ({",
adamc@463 763 newline,
adamc@463 764 string "struct",
adamc@463 765 space,
adamc@463 766 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 767 space,
adamc@463 768 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 769 string x,
adamc@463 770 string "_",
adamc@463 771 string (Int.toString i),
adamc@463 772 string "));",
adamc@463 773 newline,
adamc@463 774 string "tmp->tag",
adamc@463 775 space,
adamc@463 776 string "=",
adamc@463 777 space,
adamc@463 778 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 779 string ";",
adamc@463 780 newline,
adamc@463 781 string "request",
adamc@463 782 space,
adamc@463 783 string "+=",
adamc@463 784 space,
adamc@463 785 string (Int.toString (size x')),
adamc@463 786 string ";",
adamc@463 787 newline,
adamc@463 788 string "if (request[0] == '/') ++request;",
adamc@463 789 newline,
adamc@463 790 case to of
adamc@463 791 NONE => box []
adamc@463 792 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 793 p_ident x',
adamc@463 794 space,
adamc@463 795 string "=",
adamc@463 796 space,
adamc@463 797 unurlify' rf t,
adamc@463 798 string ";",
adamc@463 799 newline],
adamc@463 800 string "tmp;",
adamc@463 801 newline,
adamc@463 802 string "})",
adamc@463 803 space,
adamc@463 804 string ":",
adamc@463 805 space,
adamc@463 806 doEm rest,
adamc@463 807 string ")"]
adamc@463 808 in
adamc@463 809 box [string "({",
adamc@463 810 space,
adamc@463 811 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 812 space,
adamc@463 813 string "unurlify_",
adamc@463 814 string (Int.toString i),
adamc@463 815 string "(void) {",
adamc@463 816 newline,
adamc@463 817 box [string "return",
adamc@463 818 space,
adamc@463 819 doEm xncs,
adamc@463 820 string ";",
adamc@463 821 newline],
adamc@463 822 string "}",
adamc@463 823 newline,
adamc@463 824 newline,
adamc@463 825
adamc@463 826 string "unurlify_",
adamc@463 827 string (Int.toString i),
adamc@463 828 string "();",
adamc@463 829 newline,
adamc@463 830 string "})"]
adamc@463 831 end
adamc@463 832
adamc@471 833 | TOption t =>
adamc@471 834 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 835 string "((!strncmp(request, \"None\", 4) ",
adamc@471 836 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 837 string "? (request += 4, NULL) ",
adamc@471 838 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 839 string "&& request[4] == '/') ",
adamc@471 840 string "? (request += 5, ",
adamc@471 841 if isUnboxable t then
adamc@471 842 unurlify' rf (#1 t)
adamc@471 843 else
adamc@471 844 box [string "({",
adamc@471 845 newline,
adamc@471 846 p_typ env t,
adamc@471 847 space,
adamc@471 848 string "*tmp",
adamc@471 849 space,
adamc@471 850 string "=",
adamc@471 851 space,
adamc@471 852 string "uw_malloc(ctx, sizeof(",
adamc@471 853 p_typ env t,
adamc@471 854 string "));",
adamc@471 855 newline,
adamc@471 856 string "*tmp",
adamc@471 857 space,
adamc@471 858 string "=",
adamc@471 859 space,
adamc@471 860 unurlify' rf (#1 t),
adamc@471 861 string ";",
adamc@471 862 newline,
adamc@471 863 string "tmp;",
adamc@471 864 newline,
adamc@471 865 string "})"],
adamc@471 866 string ") :",
adamc@471 867 space,
adamc@471 868 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 869
adamc@463 870 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 871 space)
adamc@463 872 in
adamc@463 873 unurlify' IS.empty t
adamc@463 874 end
adamc@463 875
adamc@610 876 fun urlify env t =
adamc@610 877 let
adamc@610 878 fun urlify' rf level (t as (_, loc)) =
adamc@610 879 case #1 t of
adamc@610 880 TFfi ("Basis", "unit") => box []
adamc@610 881 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 882 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 883 newline]
adamc@610 884
adamc@610 885 | TRecord 0 => box []
adamc@610 886 | TRecord i =>
adamc@610 887 let
adamc@611 888 fun empty (t, _) =
adamc@611 889 case t of
adamc@611 890 TFfi ("Basis", "unit") => true
adamc@611 891 | TRecord 0 => true
adamc@611 892 | TRecord j =>
adamc@611 893 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 894 | _ => false
adamc@611 895
adamc@610 896 val xts = E.lookupStruct env i
adamc@611 897
adamc@613 898 val (blocks, _) = foldl
adamc@613 899 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 900 let
adamc@613 901 val thisEmpty = empty t
adamc@613 902 in
adamc@613 903 if thisEmpty then
adamc@613 904 (blocks, printingSinceLastSlash)
adamc@613 905 else
adamc@613 906 (box [string "{",
adamc@613 907 newline,
adamc@613 908 p_typ env t,
adamc@613 909 space,
adamc@613 910 string ("it" ^ Int.toString (level + 1)),
adamc@613 911 space,
adamc@613 912 string "=",
adamc@613 913 space,
adamc@613 914 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 915 newline,
adamc@613 916 box (if printingSinceLastSlash then
adamc@613 917 [string "uw_write(ctx, \"/\");",
adamc@613 918 newline]
adamc@613 919 else
adamc@613 920 []),
adamc@613 921 urlify' rf (level + 1) t,
adamc@613 922 string "}",
adamc@613 923 newline] :: blocks,
adamc@613 924 true)
adamc@613 925 end)
adamc@613 926 ([], false) xts
adamc@610 927 in
adamc@613 928 box (rev blocks)
adamc@610 929 end
adamc@610 930
adamc@638 931 | TDatatype (Enum, i, _) =>
adamc@638 932 let
adamc@610 933 val (x, xncs) = E.lookupDatatype env i
adamc@610 934
adamc@610 935 fun doEm xncs =
adamc@610 936 case xncs of
adamc@638 937 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 938 ^ x ^ "\");"),
adamc@638 939 newline]
adamc@610 940 | (x', n, to) :: rest =>
adamc@638 941 box [string ("if (it" ^ Int.toString level
adamc@638 942 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 943 newline,
adamc@638 944 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 945 newline],
adamc@638 946 string "} else {",
adamc@638 947 newline,
adamc@638 948 box [doEm rest,
adamc@638 949 newline],
adamc@638 950 string "}"]
adamc@610 951 in
adamc@610 952 doEm xncs
adamc@638 953 end
adamc@610 954
adamc@639 955 | TDatatype (Option, i, xncs) =>
adamc@639 956 if IS.member (rf, i) then
adamc@639 957 box [string "urlify_",
adamc@610 958 string (Int.toString i),
adamc@639 959 string "(it",
adamc@639 960 string (Int.toString level),
adamc@639 961 string ");",
adamc@639 962 newline]
adamc@610 963 else
adamc@610 964 let
adamc@610 965 val (x, _) = E.lookupDatatype env i
adamc@610 966
adamc@610 967 val (no_arg, has_arg, t) =
adamc@610 968 case !xncs of
adamc@610 969 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 970 (no_arg, has_arg, t)
adamc@610 971 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 972 (no_arg, has_arg, t)
adamc@639 973 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 974
adamc@610 975 val rf = IS.add (rf, i)
adamc@610 976 in
adamc@610 977 box [string "({",
adamc@610 978 space,
adamc@639 979 string "void",
adamc@639 980 space,
adamc@639 981 string "urlify_",
adamc@639 982 string (Int.toString i),
adamc@639 983 string "(",
adamc@610 984 p_typ env t,
adamc@610 985 space,
adamc@639 986 if isUnboxable t then
adamc@639 987 box []
adamc@639 988 else
adamc@639 989 string "*",
adamc@639 990 string "it0) {",
adamc@610 991 newline,
adamc@639 992 box [string "if (it0) {",
adamc@639 993 if isUnboxable t then
adamc@639 994 urlify' rf 0 t
adamc@610 995 else
adamc@639 996 box [p_typ env t,
adamc@610 997 space,
adamc@639 998 string "it1",
adamc@610 999 space,
adamc@610 1000 string "=",
adamc@610 1001 space,
adamc@639 1002 string "*it0;",
adamc@610 1003 newline,
adamc@639 1004 string "uw_write(ctx, \"",
adamc@639 1005 string has_arg,
adamc@639 1006 string "/\");",
adamc@639 1007 newline,
adamc@639 1008 urlify' rf 1 t,
adamc@610 1009 string ";",
adamc@639 1010 newline],
adamc@639 1011 string "} else {",
adamc@639 1012 box [string "uw_write(ctx, \"",
adamc@639 1013 string no_arg,
adamc@639 1014 string "\");",
adamc@639 1015 newline],
adamc@639 1016 string "}",
adamc@610 1017 newline],
adamc@610 1018 string "}",
adamc@610 1019 newline,
adamc@610 1020 newline,
adamc@610 1021
adamc@639 1022 string "urlify_",
adamc@610 1023 string (Int.toString i),
adamc@639 1024 string "(it",
adamc@639 1025 string (Int.toString level),
adamc@639 1026 string ");",
adamc@610 1027 newline,
adamc@639 1028 string "});",
adamc@639 1029 newline]
adamc@639 1030 end
adamc@610 1031
adamc@640 1032 | TDatatype (Default, i, _) =>
adamc@640 1033 if IS.member (rf, i) then
adamc@640 1034 box [string "urlify_",
adamc@610 1035 string (Int.toString i),
adamc@640 1036 string "(it",
adamc@640 1037 string (Int.toString level),
adamc@640 1038 string ");",
adamc@640 1039 newline]
adamc@610 1040 else
adamc@610 1041 let
adamc@610 1042 val (x, xncs) = E.lookupDatatype env i
adamc@610 1043
adamc@610 1044 val rf = IS.add (rf, i)
adamc@610 1045
adamc@610 1046 fun doEm xncs =
adamc@610 1047 case xncs of
adamc@640 1048 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1049 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1050 newline]
adamc@610 1051 | (x', n, to) :: rest =>
adamc@640 1052 box [string "if",
adamc@610 1053 space,
adamc@640 1054 string "(it0->tag==__uwc_",
adamc@640 1055 string (ident x'),
adamc@610 1056 string "_",
adamc@640 1057 string (Int.toString n),
adamc@640 1058 string ") {",
adamc@610 1059 newline,
adamc@610 1060 case to of
adamc@640 1061 NONE => box [string "uw_write(ctx, \"",
adamc@640 1062 string x',
adamc@640 1063 string "\");",
adamc@640 1064 newline]
adamc@640 1065 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1066 string x',
adamc@640 1067 string "/\");",
adamc@640 1068 newline,
adamc@640 1069 p_typ env t,
adamc@640 1070 space,
adamc@640 1071 string "it1",
adamc@640 1072 space,
adamc@640 1073 string "=",
adamc@640 1074 space,
adamc@640 1075 string "it0->data.uw_",
adamc@640 1076 string x',
adamc@640 1077 string ";",
adamc@640 1078 newline,
adamc@640 1079 urlify' rf 1 t,
adamc@640 1080 newline],
adamc@640 1081 string "} else {",
adamc@610 1082 newline,
adamc@640 1083 box [doEm rest,
adamc@640 1084 newline],
adamc@640 1085 string "}",
adamc@640 1086 newline]
adamc@610 1087 in
adamc@610 1088 box [string "({",
adamc@610 1089 space,
adamc@640 1090 string "void",
adamc@610 1091 space,
adamc@640 1092 string "urlify_",
adamc@610 1093 string (Int.toString i),
adamc@640 1094 string "(",
adamc@640 1095 p_typ env t,
adamc@640 1096 space,
adamc@640 1097 string "it0) {",
adamc@610 1098 newline,
adamc@640 1099 box [doEm xncs,
adamc@610 1100 newline],
adamc@640 1101 newline,
adamc@610 1102 string "}",
adamc@610 1103 newline,
adamc@640 1104
adamc@640 1105 string "urlify_",
adamc@640 1106 string (Int.toString i),
adamc@640 1107 string "(it",
adamc@640 1108 string (Int.toString level),
adamc@640 1109 string ");",
adamc@610 1110 newline,
adamc@640 1111 string "});",
adamc@640 1112 newline]
adamc@640 1113 end
adamc@610 1114
adamc@641 1115 | TOption t =>
adamc@641 1116 box [string "if (it",
adamc@641 1117 string (Int.toString level),
adamc@641 1118 string ") {",
adamc@641 1119 if isUnboxable t then
adamc@641 1120 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1121 newline,
adamc@641 1122 urlify' rf level t]
adamc@610 1123 else
adamc@641 1124 box [p_typ env t,
adamc@610 1125 space,
adamc@641 1126 string "it",
adamc@641 1127 string (Int.toString (level + 1)),
adamc@610 1128 space,
adamc@610 1129 string "=",
adamc@610 1130 space,
adamc@641 1131 string "*it",
adamc@641 1132 string (Int.toString level),
adamc@610 1133 string ";",
adamc@610 1134 newline,
adamc@641 1135 string "uw_write(ctx, \"Some/\");",
adamc@610 1136 newline,
adamc@641 1137 urlify' rf (level + 1) t,
adamc@641 1138 string ";",
adamc@641 1139 newline],
adamc@641 1140 string "} else {",
adamc@641 1141 box [string "uw_write(ctx, \"None\");",
adamc@641 1142 newline],
adamc@641 1143 string "}",
adamc@641 1144 newline]
adamc@610 1145
adamc@610 1146 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1147 space)
adamc@610 1148 in
adamc@610 1149 urlify' IS.empty 0 t
adamc@610 1150 end
adamc@610 1151
adamc@673 1152 val timeout = ref 0
adamc@673 1153
adamc@182 1154 fun p_exp' par env (e, loc) =
adamc@29 1155 case e of
adamc@276 1156 EPrim p => Prim.p_t_GCC p
adamc@29 1157 | ERel n => p_rel env n
adamc@109 1158 | ENamed n => p_enamed env n
adamc@188 1159 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1160 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1161 | ECon (Option, pc, SOME e) =>
adamc@198 1162 let
adamc@198 1163 val to = case pc of
adamc@198 1164 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1165 | PConFfi {arg, ...} => arg
adamc@198 1166
adamc@198 1167 val t = case to of
adamc@198 1168 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1169 | SOME t => t
adamc@198 1170 in
adamc@463 1171 if isUnboxable t then
adamc@463 1172 p_exp' par env e
adamc@463 1173 else
adamc@463 1174 box [string "({",
adamc@463 1175 newline,
adamc@463 1176 p_typ env t,
adamc@463 1177 space,
adamc@463 1178 string "*tmp",
adamc@463 1179 space,
adamc@463 1180 string "=",
adamc@463 1181 space,
adamc@463 1182 string "uw_malloc(ctx, sizeof(",
adamc@463 1183 p_typ env t,
adamc@463 1184 string "));",
adamc@463 1185 newline,
adamc@463 1186 string "*tmp",
adamc@463 1187 space,
adamc@463 1188 string "=",
adamc@463 1189 p_exp' par env e,
adamc@463 1190 string ";",
adamc@463 1191 newline,
adamc@463 1192 string "tmp;",
adamc@463 1193 newline,
adamc@463 1194 string "})"]
adamc@198 1195 end
adamc@188 1196 | ECon (Default, pc, eo) =>
adamc@181 1197 let
adamc@196 1198 val (xd, xc, xn) = patConInfo env pc
adamc@181 1199 in
adamc@182 1200 box [string "({",
adamc@181 1201 newline,
adamc@181 1202 string "struct",
adamc@181 1203 space,
adamc@185 1204 string xd,
adamc@181 1205 space,
adamc@181 1206 string "*tmp",
adamc@181 1207 space,
adamc@181 1208 string "=",
adamc@181 1209 space,
adamc@311 1210 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1211 string xd,
adamc@181 1212 string "));",
adamc@181 1213 newline,
adamc@181 1214 string "tmp->tag",
adamc@181 1215 space,
adamc@181 1216 string "=",
adamc@181 1217 space,
adamc@185 1218 string xc,
adamc@181 1219 string ";",
adamc@181 1220 newline,
adamc@181 1221 case eo of
adamc@181 1222 NONE => box []
adamc@185 1223 | SOME e => box [string "tmp->data.",
adamc@196 1224 string xn,
adamc@181 1225 space,
adamc@181 1226 string "=",
adamc@181 1227 space,
adamc@181 1228 p_exp env e,
adamc@181 1229 string ";",
adamc@181 1230 newline],
adamc@181 1231 string "tmp;",
adamc@181 1232 newline,
adamc@181 1233 string "})"]
adamc@181 1234 end
adamc@297 1235 | ENone _ => string "NULL"
adamc@290 1236 | ESome (t, e) =>
adamc@463 1237 if isUnboxable t then
adamc@463 1238 p_exp' par env e
adamc@463 1239 else
adamc@463 1240 box [string "({",
adamc@463 1241 newline,
adamc@463 1242 p_typ env t,
adamc@463 1243 space,
adamc@463 1244 string "*tmp",
adamc@463 1245 space,
adamc@463 1246 string "=",
adamc@463 1247 space,
adamc@463 1248 string "uw_malloc(ctx, sizeof(",
adamc@463 1249 p_typ env t,
adamc@463 1250 string "));",
adamc@463 1251 newline,
adamc@463 1252 string "*tmp",
adamc@463 1253 space,
adamc@463 1254 string "=",
adamc@463 1255 p_exp' par env e,
adamc@463 1256 string ";",
adamc@463 1257 newline,
adamc@463 1258 string "tmp;",
adamc@463 1259 newline,
adamc@463 1260 string "})"]
adamc@109 1261
adamc@316 1262 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1263 | EError (e, t) =>
adamc@283 1264 box [string "({",
adamc@283 1265 newline,
adamc@283 1266 p_typ env t,
adamc@283 1267 space,
adamc@283 1268 string "tmp;",
adamc@283 1269 newline,
adamc@311 1270 string "uw_error(ctx, FATAL, \"",
adamc@292 1271 string (ErrorMsg.spanToString loc),
adamc@292 1272 string ": %s\", ",
adamc@283 1273 p_exp env e,
adamc@283 1274 string ");",
adamc@283 1275 newline,
adamc@283 1276 string "tmp;",
adamc@283 1277 newline,
adamc@283 1278 string "})"]
adamc@741 1279 | EReturnBlob {blob, mimeType, t} =>
adamc@741 1280 box [string "({",
adamc@741 1281 newline,
adamc@741 1282 p_typ env t,
adamc@741 1283 space,
adamc@741 1284 string "tmp;",
adamc@741 1285 newline,
adamc@741 1286 string "uw_return_blob(ctx, ",
adamc@741 1287 p_exp env blob,
adamc@741 1288 string ", ",
adamc@741 1289 p_exp env mimeType,
adamc@741 1290 string ");",
adamc@741 1291 newline,
adamc@741 1292 string "tmp;",
adamc@741 1293 newline,
adamc@741 1294 string "})"]
adamc@476 1295 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1296 p_exp env (EError (e, ran), loc)
adamc@741 1297 | EApp ((EReturnBlob {blob, mimeType, t = (TFun (_, ran), _)}, loc), _) =>
adamc@741 1298 p_exp env (EReturnBlob {blob = blob, mimeType = mimeType, t = ran}, loc)
adamc@476 1299
adamc@311 1300 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1301 p_ident m,
adamc@53 1302 string "_",
adamc@316 1303 p_ident x,
adamc@117 1304 string "(ctx, ",
adamc@53 1305 p_list (p_exp env) es,
adamc@53 1306 string ")"]
adamc@316 1307 | EApp (f, args) =>
adamc@316 1308 parenIf par (box [p_exp' true env f,
adamc@316 1309 string "(ctx,",
adamc@316 1310 space,
adamc@316 1311 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1312 string ")"])
adamc@29 1313
adamc@387 1314 | EUnop (s, e1) =>
adamc@387 1315 parenIf par (box [string s,
adamc@387 1316 space,
adamc@387 1317 p_exp' true env e1])
adamc@387 1318
adamc@387 1319 | EBinop (s, e1, e2) =>
adamc@389 1320 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1321 box [string s,
adamc@390 1322 string "(",
adamc@389 1323 p_exp env e1,
adamc@389 1324 string ",",
adamc@389 1325 space,
adamc@389 1326 p_exp env e2,
adamc@389 1327 string ")"]
adamc@389 1328 else
adamc@389 1329 parenIf par (box [p_exp' true env e1,
adamc@389 1330 space,
adamc@389 1331 string s,
adamc@389 1332 space,
adamc@389 1333 p_exp' true env e2])
adamc@387 1334
adamc@29 1335 | ERecord (i, xes) => box [string "({",
adamc@29 1336 space,
adamc@29 1337 string "struct",
adamc@29 1338 space,
adamc@311 1339 string ("__uws_" ^ Int.toString i),
adamc@29 1340 space,
adamc@181 1341 string "tmp",
adamc@29 1342 space,
adamc@29 1343 string "=",
adamc@29 1344 space,
adamc@29 1345 string "{",
adamc@29 1346 p_list (fn (_, e) =>
adamc@29 1347 p_exp env e) xes,
adamc@29 1348 string "};",
adamc@29 1349 space,
adamc@181 1350 string "tmp;",
adamc@29 1351 space,
adamc@29 1352 string "})" ]
adamc@29 1353 | EField (e, x) =>
adamc@29 1354 box [p_exp' true env e,
adamc@311 1355 string ".__uwf_",
adamc@316 1356 p_ident x]
adamc@29 1357
adamc@182 1358 | ECase (e, pes, {disc, result}) =>
adamc@182 1359 let
adamc@182 1360 val final = newGoto ()
adamc@182 1361
adamc@182 1362 val body = foldl (fn ((p, e), body) =>
adamc@182 1363 let
adamc@182 1364 val exit = newGoto ()
adamc@182 1365 val (pr, _) = p_pat_preamble env p
adamc@182 1366 val (p, env) = p_pat (env,
adamc@182 1367 box [string "goto",
adamc@182 1368 space,
adamc@182 1369 exit,
adamc@182 1370 string ";"],
adamc@182 1371 0) p
adamc@182 1372 in
adamc@182 1373 box [body,
adamc@182 1374 box [string "{",
adamc@182 1375 newline,
adamc@182 1376 pr,
adamc@182 1377 newline,
adamc@182 1378 p,
adamc@182 1379 newline,
adamc@182 1380 string "result",
adamc@182 1381 space,
adamc@182 1382 string "=",
adamc@182 1383 space,
adamc@182 1384 p_exp env e,
adamc@182 1385 string ";",
adamc@182 1386 newline,
adamc@182 1387 string "goto",
adamc@182 1388 space,
adamc@182 1389 final,
adamc@182 1390 string ";",
adamc@182 1391 newline,
adamc@182 1392 string "}"],
adamc@182 1393 newline,
adamc@182 1394 exit,
adamc@182 1395 string ":",
adamc@182 1396 newline]
adamc@182 1397 end) (box []) pes
adamc@182 1398 in
adamc@182 1399 box [string "({",
adamc@182 1400 newline,
adamc@182 1401 p_typ env disc,
adamc@182 1402 space,
adamc@182 1403 string "disc0",
adamc@182 1404 space,
adamc@182 1405 string "=",
adamc@182 1406 space,
adamc@182 1407 p_exp env e,
adamc@182 1408 string ";",
adamc@182 1409 newline,
adamc@182 1410 p_typ env result,
adamc@182 1411 space,
adamc@182 1412 string "result;",
adamc@182 1413 newline,
adamc@182 1414 body,
adamc@311 1415 string "uw_error(ctx, FATAL, \"",
adamc@182 1416 string (ErrorMsg.spanToString loc),
adamc@182 1417 string ": pattern match failure\");",
adamc@182 1418 newline,
adamc@182 1419 final,
adamc@182 1420 string ":",
adamc@182 1421 space,
adamc@182 1422 string "result;",
adamc@182 1423 newline,
adamc@182 1424 string "})"]
adamc@182 1425 end
adamc@181 1426
adamc@311 1427 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1428 p_exp env e,
adamc@311 1429 string "), uw_unit_v)"]
adamc@102 1430
adamc@106 1431 | ESeq (e1, e2) => box [string "(",
adamc@106 1432 p_exp env e1,
adamc@106 1433 string ",",
adamc@106 1434 space,
adamc@106 1435 p_exp env e2,
adamc@106 1436 string ")"]
adamc@269 1437 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1438 newline,
adamc@269 1439 p_typ env t,
adamc@269 1440 space,
adamc@311 1441 string "__uwr_",
adamc@316 1442 p_ident x,
adamc@272 1443 string "_",
adamc@272 1444 string (Int.toString (E.countERels env)),
adamc@269 1445 space,
adamc@269 1446 string "=",
adamc@269 1447 space,
adamc@269 1448 p_exp env e1,
adamc@269 1449 string ";",
adamc@269 1450 newline,
adamc@269 1451 p_exp (E.pushERel env x t) e2,
adamc@269 1452 string ";",
adamc@269 1453 newline,
adamc@269 1454 string "})"]
adamc@269 1455
adamc@282 1456 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1457 let
adamc@316 1458 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1459 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1460 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1461 tables
adamc@638 1462
adamc@278 1463 val outputs = exps @ tables
adamc@325 1464 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1465
adamc@324 1466 val wontLeakStrings = notLeaky env true state
adamc@324 1467 val wontLeakAnything = notLeaky env false state
adamc@278 1468 in
adamc@640 1469 box [if wontLeakAnything then
adamc@704 1470 string "(uw_begin_region(ctx), "
adamc@324 1471 else
adamc@324 1472 box [],
adamc@324 1473 string "({",
adamc@278 1474 newline,
adamc@311 1475 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1476 newline,
adamc@640 1477 p_typ env state,
adamc@640 1478 space,
adamc@640 1479 string "acc",
adamc@640 1480 space,
adamc@640 1481 string "=",
adamc@640 1482 space,
adamc@640 1483 p_exp env initial,
adamc@640 1484 string ";",
adamc@640 1485 newline,
adamc@640 1486 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1487 newline,
adamc@640 1488
adamc@282 1489 case prepared of
adamc@282 1490 NONE => box [string "char *query = ",
adamc@282 1491 p_exp env query,
adamc@282 1492 string ";",
adamc@282 1493 newline]
adamc@282 1494 | SOME _ =>
adamc@282 1495 let
adamc@282 1496 val ets = getPargs query
adamc@282 1497 in
adamc@282 1498 box [p_list_sepi newline
adamc@282 1499 (fn i => fn (e, t) =>
adamc@282 1500 box [p_sql_type t,
adamc@282 1501 space,
adamc@282 1502 string "arg",
adamc@282 1503 string (Int.toString (i + 1)),
adamc@282 1504 space,
adamc@282 1505 string "=",
adamc@282 1506 space,
adamc@282 1507 p_exp env e,
adamc@282 1508 string ";"])
adamc@282 1509 ets,
adamc@282 1510 newline,
adamc@282 1511 newline,
adamc@282 1512
adamc@737 1513 string "const int paramFormats[] = { ",
adamc@737 1514 p_list_sep (box [string ",", space])
adamc@737 1515 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@737 1516 string " };",
adamc@737 1517 newline,
adamc@737 1518 string "const int paramLengths[] = { ",
adamc@737 1519 p_list_sepi (box [string ",", space])
adamc@737 1520 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@737 1521 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@737 1522 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@737 1523 | _ => string "0") ets,
adamc@737 1524 string " };",
adamc@737 1525 newline,
adamc@282 1526 string "const char *paramValues[] = { ",
adamc@282 1527 p_list_sepi (box [string ",", space])
adamc@282 1528 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1529 string (Int.toString (i + 1))]))
adamc@282 1530 ets,
adamc@282 1531 string " };",
adamc@282 1532 newline,
adamc@282 1533 newline]
adamc@282 1534 end,
adamc@640 1535
adamc@282 1536 string "PGresult *res = ",
adamc@282 1537 case prepared of
adamc@295 1538 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1539 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1540 string (Int.toString n),
adamc@282 1541 string "\", ",
adamc@282 1542 string (Int.toString (length (getPargs query))),
adamc@737 1543 string ", paramValues, paramLengths, paramFormats, 0);"],
adamc@278 1544 newline,
adamc@278 1545 newline,
adamc@277 1546
adamc@311 1547 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1548 newline,
adamc@278 1549 newline,
adamc@277 1550
adamc@278 1551 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1552 newline,
adamc@278 1553 box [string "PQclear(res);",
adamc@278 1554 newline,
adamc@311 1555 string "uw_error(ctx, FATAL, \"",
adamc@278 1556 string (ErrorMsg.spanToString loc),
adamc@282 1557 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1558 case prepared of
adamc@282 1559 NONE => string "query"
adamc@282 1560 | SOME _ => p_exp env query,
adamc@282 1561 string ", PQerrorMessage(conn));",
adamc@278 1562 newline],
adamc@278 1563 string "}",
adamc@278 1564 newline,
adamc@278 1565 newline,
adamc@277 1566
adamc@323 1567 string "uw_end_region(ctx);",
adamc@323 1568 newline,
adamc@425 1569 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1570 newline,
adamc@278 1571 string "n = PQntuples(res);",
adamc@278 1572 newline,
adamc@278 1573 string "for (i = 0; i < n; ++i) {",
adamc@278 1574 newline,
adamc@278 1575 box [string "struct",
adamc@278 1576 space,
adamc@311 1577 string "__uws_",
adamc@278 1578 string (Int.toString rnum),
adamc@278 1579 space,
adamc@311 1580 string "__uwr_r_",
adamc@278 1581 string (Int.toString (E.countERels env)),
adamc@278 1582 string ";",
adamc@278 1583 newline,
adamc@278 1584 p_typ env state,
adamc@278 1585 space,
adamc@311 1586 string "__uwr_acc_",
adamc@278 1587 string (Int.toString (E.countERels env + 1)),
adamc@278 1588 space,
adamc@278 1589 string "=",
adamc@278 1590 space,
adamc@278 1591 string "acc;",
adamc@278 1592 newline,
adamc@278 1593 newline,
adamc@278 1594
adamc@278 1595 p_list_sepi (box []) (fn i =>
adamc@278 1596 fn (proj, t) =>
adamc@311 1597 box [string "__uwr_r_",
adamc@278 1598 string (Int.toString (E.countERels env)),
adamc@278 1599 string ".",
adamc@278 1600 string proj,
adamc@278 1601 space,
adamc@278 1602 string "=",
adamc@278 1603 space,
adamc@467 1604 p_getcol wontLeakStrings env t i,
adamc@278 1605 string ";",
adamc@278 1606 newline]) outputs,
adamc@278 1607
adamc@278 1608 newline,
adamc@278 1609 newline,
adamc@278 1610
adamc@278 1611 string "acc",
adamc@278 1612 space,
adamc@278 1613 string "=",
adamc@278 1614 space,
adamc@278 1615 p_exp (E.pushERel
adamc@278 1616 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1617 "acc" state)
adamc@278 1618 body,
adamc@278 1619 string ";",
adamc@278 1620 newline],
adamc@278 1621 string "}",
adamc@278 1622 newline,
adamc@278 1623 newline,
adamc@425 1624 string "uw_pop_cleanup(ctx);",
adamc@278 1625 newline,
adamc@324 1626 if wontLeakAnything then
adamc@324 1627 box [string "uw_end_region(ctx);",
adamc@324 1628 newline]
adamc@324 1629 else
adamc@324 1630 box [],
adamc@278 1631 string "acc;",
adamc@278 1632 newline,
adamc@704 1633 string "})",
adamc@704 1634 if wontLeakAnything then
adamc@704 1635 string ")"
adamc@704 1636 else
adamc@704 1637 box []]
adamc@278 1638 end
adamc@106 1639
adamc@307 1640 | EDml {dml, prepared} =>
adamc@337 1641 box [string "(uw_begin_region(ctx), ({",
adamc@307 1642 newline,
adamc@311 1643 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1644 newline,
adamc@307 1645 case prepared of
adamc@307 1646 NONE => box [string "char *dml = ",
adamc@307 1647 p_exp env dml,
adamc@307 1648 string ";",
adamc@307 1649 newline]
adamc@307 1650 | SOME _ =>
adamc@307 1651 let
adamc@307 1652 val ets = getPargs dml
adamc@307 1653 in
adamc@307 1654 box [p_list_sepi newline
adamc@307 1655 (fn i => fn (e, t) =>
adamc@307 1656 box [p_sql_type t,
adamc@307 1657 space,
adamc@307 1658 string "arg",
adamc@307 1659 string (Int.toString (i + 1)),
adamc@307 1660 space,
adamc@307 1661 string "=",
adamc@307 1662 space,
adamc@307 1663 p_exp env e,
adamc@307 1664 string ";"])
adamc@307 1665 ets,
adamc@307 1666 newline,
adamc@307 1667 newline,
adamc@307 1668
adamc@738 1669 string "const int paramFormats[] = { ",
adamc@738 1670 p_list_sep (box [string ",", space])
adamc@738 1671 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@738 1672 string " };",
adamc@738 1673 newline,
adamc@738 1674 string "const int paramLengths[] = { ",
adamc@738 1675 p_list_sepi (box [string ",", space])
adamc@738 1676 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@738 1677 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@738 1678 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@738 1679 | _ => string "0") ets,
adamc@738 1680 string " };",
adamc@738 1681 newline,
adamc@307 1682 string "const char *paramValues[] = { ",
adamc@307 1683 p_list_sepi (box [string ",", space])
adamc@307 1684 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1685 string (Int.toString (i + 1))]))
adamc@307 1686 ets,
adamc@307 1687 string " };",
adamc@307 1688 newline,
adamc@307 1689 newline]
adamc@307 1690 end,
adamc@307 1691 newline,
adamc@307 1692 newline,
adamc@307 1693 string "PGresult *res = ",
adamc@307 1694 case prepared of
adamc@307 1695 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1696 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1697 string (Int.toString n),
adamc@307 1698 string "\", ",
adamc@307 1699 string (Int.toString (length (getPargs dml))),
adamc@738 1700 string ", paramValues, paramLengths, paramFormats, 0);"],
adamc@307 1701 newline,
adamc@307 1702 newline,
adamc@307 1703
adamc@311 1704 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1705 newline,
adamc@307 1706 newline,
adamc@307 1707
adamc@307 1708 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1709 newline,
adamc@688 1710 box [string "if (!strcmp(PQresultErrorField(res, PG_DIAG_SQLSTATE), \"40001\")) {",
adamc@688 1711 box [newline,
adamc@688 1712 string "PQclear(res);",
adamc@688 1713 newline,
adamc@688 1714 string "uw_error(ctx, UNLIMITED_RETRY, \"Serialization failure\");",
adamc@688 1715 newline],
adamc@688 1716 string "}",
adamc@688 1717 newline,
adamc@688 1718 string "PQclear(res);",
adamc@307 1719 newline,
adamc@311 1720 string "uw_error(ctx, FATAL, \"",
adamc@307 1721 string (ErrorMsg.spanToString loc),
adamc@307 1722 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1723 case prepared of
adamc@307 1724 NONE => string "dml"
adamc@307 1725 | SOME _ => p_exp env dml,
adamc@307 1726 string ", PQerrorMessage(conn));",
adamc@307 1727 newline],
adamc@307 1728 string "}",
adamc@307 1729 newline,
adamc@307 1730 newline,
adamc@307 1731
adamc@307 1732 string "PQclear(res);",
adamc@307 1733 newline,
adamc@337 1734 string "uw_end_region(ctx);",
adamc@337 1735 newline,
adamc@311 1736 string "uw_unit_v;",
adamc@307 1737 newline,
adamc@337 1738 string "}))"]
adamc@307 1739
adamc@338 1740 | ENextval {seq, prepared} =>
adamc@338 1741 let
adamc@486 1742 val query = case seq of
adamc@486 1743 (EPrim (Prim.String s), loc) =>
adamc@486 1744 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1745 | _ =>
adamc@486 1746 let
adamc@486 1747 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1748 in
adamc@486 1749 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1750 end
adamc@338 1751 in
adamc@338 1752 box [string "(uw_begin_region(ctx), ",
adamc@338 1753 string "({",
adamc@338 1754 newline,
adamc@338 1755 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1756 newline,
adamc@338 1757 case prepared of
adamc@338 1758 NONE => box [string "char *query = ",
adamc@338 1759 p_exp env query,
adamc@338 1760 string ";",
adamc@338 1761 newline]
adamc@338 1762 | SOME _ =>
adamc@338 1763 box [],
adamc@338 1764 newline,
adamc@338 1765 string "PGresult *res = ",
adamc@338 1766 case prepared of
adamc@338 1767 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1768 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1769 string (Int.toString n),
adamc@338 1770 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1771 newline,
adamc@338 1772 string "uw_Basis_int n;",
adamc@338 1773 newline,
adamc@338 1774 newline,
adamc@338 1775
adamc@338 1776 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1777 newline,
adamc@338 1778 newline,
adamc@338 1779
adamc@338 1780 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1781 newline,
adamc@338 1782 box [string "PQclear(res);",
adamc@338 1783 newline,
adamc@338 1784 string "uw_error(ctx, FATAL, \"",
adamc@338 1785 string (ErrorMsg.spanToString loc),
adamc@338 1786 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1787 case prepared of
adamc@338 1788 NONE => string "query"
adamc@338 1789 | SOME _ => p_exp env query,
adamc@338 1790 string ", PQerrorMessage(conn));",
adamc@338 1791 newline],
adamc@338 1792 string "}",
adamc@338 1793 newline,
adamc@338 1794 newline,
adamc@338 1795
adamc@338 1796 string "uw_end_region(ctx);",
adamc@338 1797 newline,
adamc@338 1798 string "n = PQntuples(res);",
adamc@338 1799 newline,
adamc@338 1800 string "if (n != 1) {",
adamc@338 1801 newline,
adamc@338 1802 box [string "PQclear(res);",
adamc@338 1803 newline,
adamc@338 1804 string "uw_error(ctx, FATAL, \"",
adamc@338 1805 string (ErrorMsg.spanToString loc),
adamc@338 1806 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1807 case prepared of
adamc@338 1808 NONE => string "query"
adamc@338 1809 | SOME _ => p_exp env query,
adamc@338 1810 string ", PQerrorMessage(conn));",
adamc@338 1811 newline],
adamc@338 1812 string "}",
adamc@338 1813 newline,
adamc@338 1814 newline,
adamc@338 1815
adamc@338 1816 string "n = ",
adamc@338 1817 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1818 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1819 string ";",
adamc@338 1820 newline,
adamc@338 1821 string "PQclear(res);",
adamc@338 1822 newline,
adamc@338 1823 string "n;",
adamc@338 1824 newline,
adamc@338 1825 string "}))"]
adamc@338 1826 end
adamc@338 1827
adamc@463 1828 | EUnurlify (e, t) =>
adamc@463 1829 let
adamc@463 1830 fun getIt () =
adamc@463 1831 if isUnboxable t then
adamc@463 1832 unurlify env t
adamc@463 1833 else
adamc@463 1834 box [string "({",
adamc@463 1835 newline,
adamc@463 1836 p_typ env t,
adamc@463 1837 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1838 p_typ env t,
adamc@463 1839 string "));",
adamc@463 1840 newline,
adamc@463 1841 string "*tmp = ",
adamc@463 1842 unurlify env t,
adamc@463 1843 string ";",
adamc@463 1844 newline,
adamc@463 1845 string "tmp;",
adamc@463 1846 newline,
adamc@463 1847 string "})"]
adamc@463 1848 in
adamc@463 1849 box [string "({",
adamc@463 1850 newline,
adamc@737 1851 string "uw_Basis_string request = uw_maybe_strdup(ctx, ",
adamc@463 1852 p_exp env e,
adamc@492 1853 string ");",
adamc@463 1854 newline,
adamc@463 1855 newline,
adamc@463 1856 string "(request ? ",
adamc@463 1857 getIt (),
adamc@463 1858 string " : NULL);",
adamc@463 1859 newline,
adamc@463 1860 string "})"]
adamc@463 1861 end
adamc@463 1862
adamc@29 1863 and p_exp env = p_exp' false env
adamc@29 1864
adamc@129 1865 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1866 let
adamc@129 1867 val nargs = length args
adamc@129 1868 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1869 in
adamc@129 1870 box [string "static",
adamc@129 1871 space,
adamc@129 1872 p_typ env ran,
adamc@129 1873 space,
adamc@316 1874 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1875 string "(",
adamc@129 1876 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1877 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1878 box [p_typ env dom,
adamc@129 1879 space,
adamc@129 1880 p_rel env' (nargs - i - 1)]) args),
adamc@129 1881 string ")",
adamc@129 1882 space,
adamc@129 1883 string "{",
adamc@129 1884 newline,
adamc@638 1885 box [string "return(",
adamc@638 1886 p_exp env' e,
adamc@638 1887 string ");"],
adamc@129 1888 newline,
adamc@129 1889 string "}"]
adamc@129 1890 end
adamc@129 1891
adamc@129 1892 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1893 case d of
adamc@29 1894 DStruct (n, xts) =>
adamc@196 1895 let
adamc@196 1896 val env = E.declBinds env dAll
adamc@196 1897 in
adamc@196 1898 box [string "struct",
adamc@196 1899 space,
adamc@311 1900 string ("__uws_" ^ Int.toString n),
adamc@196 1901 space,
adamc@196 1902 string "{",
adamc@196 1903 newline,
adamc@196 1904 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1905 space,
adamc@311 1906 string "__uwf_",
adamc@316 1907 p_ident x,
adamc@196 1908 string ";",
adamc@196 1909 newline]) xts,
adamc@196 1910 string "};"]
adamc@196 1911 end
adamc@188 1912 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1913 box [string "enum",
adamc@188 1914 space,
adamc@316 1915 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1916 space,
adamc@188 1917 string "{",
adamc@188 1918 space,
adamc@316 1919 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1920 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1921 space,
adamc@188 1922 string "};"]
adamc@198 1923 | DDatatype (Option, _, _, _) => box []
adamc@188 1924 | DDatatype (Default, x, n, xncs) =>
adamc@165 1925 let
adamc@165 1926 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1927 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1928 in
adamc@165 1929 box [string "enum",
adamc@165 1930 space,
adamc@316 1931 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1932 space,
adamc@165 1933 string "{",
adamc@165 1934 space,
adamc@316 1935 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1936 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1937 space,
adamc@165 1938 string "};",
adamc@165 1939 newline,
adamc@165 1940 newline,
adamc@165 1941 string "struct",
adamc@165 1942 space,
adamc@316 1943 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1944 space,
adamc@165 1945 string "{",
adamc@165 1946 newline,
adamc@165 1947 string "enum",
adamc@165 1948 space,
adamc@316 1949 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1950 space,
adamc@165 1951 string "tag;",
adamc@165 1952 newline,
adamc@165 1953 box (case xncsArgs of
adamc@165 1954 [] => []
adamc@165 1955 | _ => [string "union",
adamc@165 1956 space,
adamc@165 1957 string "{",
adamc@165 1958 newline,
adamc@165 1959 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1960 space,
adamc@316 1961 string ("uw_" ^ ident x),
adamc@165 1962 string ";"]) xncsArgs,
adamc@165 1963 newline,
adamc@165 1964 string "}",
adamc@165 1965 space,
adamc@165 1966 string "data;",
adamc@165 1967 newline]),
adamc@165 1968 string "};"]
adamc@188 1969 end
adamc@29 1970
adamc@196 1971 | DDatatypeForward _ => box []
adamc@196 1972
adamc@29 1973 | DVal (x, n, t, e) =>
adamc@29 1974 box [p_typ env t,
adamc@29 1975 space,
adamc@316 1976 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1977 space,
adamc@29 1978 string "=",
adamc@29 1979 space,
adamc@29 1980 p_exp env e,
adamc@29 1981 string ";"]
adamc@129 1982 | DFun vi => p_fun env vi
adamc@129 1983 | DFunRec vis =>
adamc@29 1984 let
adamc@129 1985 val env = E.declBinds env dAll
adamc@29 1986 in
adamc@129 1987 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1988 box [string "static",
adamc@129 1989 space,
adamc@129 1990 p_typ env ran,
adamc@129 1991 space,
adamc@316 1992 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1993 string "(uw_context,",
adamc@129 1994 space,
adamc@129 1995 p_list_sep (box [string ",", space])
adamc@129 1996 (fn (_, dom) => p_typ env dom) args,
adamc@129 1997 string ");"]) vis,
adamc@29 1998 newline,
adamc@129 1999 p_list_sep newline (p_fun env) vis,
adamc@129 2000 newline]
adamc@29 2001 end
adamc@707 2002 | DTable (x, _, pk, csts) => box [string "/* SQL table ",
adamc@707 2003 string x,
adamc@707 2004 space,
adamc@707 2005 case pk of
adamc@707 2006 "" => box []
adamc@707 2007 | _ => box [string "keys",
adamc@707 2008 space,
adamc@707 2009 string pk,
adamc@707 2010 space],
adamc@707 2011 string "constraints",
adamc@707 2012 space,
adamc@707 2013 p_list (fn (x, v) => box [string x,
adamc@707 2014 space,
adamc@707 2015 string ":",
adamc@707 2016 space,
adamc@707 2017 string v]) csts,
adamc@707 2018 space,
adamc@707 2019 string " */",
adamc@707 2020 newline]
adamc@338 2021 | DSequence x => box [string "/* SQL sequence ",
adamc@338 2022 string x,
adamc@338 2023 string " */",
adamc@338 2024 newline]
adamc@687 2025 | DDatabase {name, expunge, initialize} =>
adamc@687 2026 box [string "static void uw_db_validate(uw_context);",
adamc@687 2027 newline,
adamc@687 2028 string "static void uw_db_prepare(uw_context);",
adamc@687 2029 newline,
adamc@687 2030 newline,
adamc@687 2031 string "void uw_db_init(uw_context ctx) {",
adamc@687 2032 newline,
adamc@687 2033 string "PGconn *conn = PQconnectdb(\"",
adamc@687 2034 string (String.toString name),
adamc@687 2035 string "\");",
adamc@687 2036 newline,
adamc@687 2037 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 2038 string "\"libpq can't allocate a connection.\");",
adamc@687 2039 newline,
adamc@687 2040 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@687 2041 newline,
adamc@687 2042 box [string "char msg[1024];",
adamc@687 2043 newline,
adamc@687 2044 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@687 2045 newline,
adamc@687 2046 string "msg[1023] = 0;",
adamc@687 2047 newline,
adamc@687 2048 string "PQfinish(conn);",
adamc@687 2049 newline,
adamc@687 2050 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@687 2051 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@687 2052 newline,
adamc@687 2053 string "}",
adamc@687 2054 newline,
adamc@687 2055 string "uw_set_db(ctx, conn);",
adamc@687 2056 newline,
adamc@687 2057 string "uw_db_validate(ctx);",
adamc@687 2058 newline,
adamc@687 2059 string "uw_db_prepare(ctx);",
adamc@687 2060 newline,
adamc@687 2061 string "}",
adamc@687 2062 newline,
adamc@687 2063 newline,
adamc@687 2064 string "void uw_db_close(uw_context ctx) {",
adamc@687 2065 newline,
adamc@687 2066 string "PQfinish(uw_get_db(ctx));",
adamc@687 2067 newline,
adamc@687 2068 string "}",
adamc@687 2069 newline,
adamc@687 2070 newline,
adamc@424 2071
adamc@687 2072 string "int uw_db_begin(uw_context ctx) {",
adamc@687 2073 newline,
adamc@687 2074 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2075 newline,
adamc@687 2076 string "PGresult *res = PQexec(conn, \"BEGIN ISOLATION LEVEL SERIALIZABLE\");",
adamc@687 2077 newline,
adamc@687 2078 newline,
adamc@687 2079 string "if (res == NULL) return 1;",
adamc@687 2080 newline,
adamc@687 2081 newline,
adamc@687 2082 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2083 box [string "PQclear(res);",
adamc@687 2084 newline,
adamc@687 2085 string "return 1;",
adamc@687 2086 newline],
adamc@687 2087 string "}",
adamc@687 2088 newline,
adamc@687 2089 string "return 0;",
adamc@687 2090 newline,
adamc@687 2091 string "}",
adamc@687 2092 newline,
adamc@687 2093 newline,
adamc@424 2094
adamc@687 2095 string "int uw_db_commit(uw_context ctx) {",
adamc@687 2096 newline,
adamc@687 2097 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2098 newline,
adamc@687 2099 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@687 2100 newline,
adamc@687 2101 newline,
adamc@687 2102 string "if (res == NULL) return 1;",
adamc@687 2103 newline,
adamc@687 2104 newline,
adamc@687 2105 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2106 box [string "PQclear(res);",
adamc@687 2107 newline,
adamc@687 2108 string "return 1;",
adamc@687 2109 newline],
adamc@687 2110 string "}",
adamc@687 2111 newline,
adamc@687 2112 string "return 0;",
adamc@687 2113 newline,
adamc@687 2114 string "}",
adamc@687 2115 newline,
adamc@687 2116 newline,
adamc@424 2117
adamc@687 2118 string "int uw_db_rollback(uw_context ctx) {",
adamc@687 2119 newline,
adamc@687 2120 string "PGconn *conn = uw_get_db(ctx);",
adamc@687 2121 newline,
adamc@687 2122 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@687 2123 newline,
adamc@687 2124 newline,
adamc@687 2125 string "if (res == NULL) return 1;",
adamc@687 2126 newline,
adamc@687 2127 newline,
adamc@687 2128 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@687 2129 box [string "PQclear(res);",
adamc@687 2130 newline,
adamc@687 2131 string "return 1;",
adamc@687 2132 newline],
adamc@687 2133 string "}",
adamc@687 2134 newline,
adamc@687 2135 string "return 0;",
adamc@687 2136 newline,
adamc@687 2137 string "}",
adamc@687 2138 newline,
adamc@687 2139 newline,
adamc@683 2140
adamc@687 2141 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) {",
adamc@687 2142 newline,
adamc@687 2143 box [p_enamed env expunge,
adamc@687 2144 string "(ctx, cli);",
adamc@687 2145 newline],
adamc@687 2146 string "}",
adamc@687 2147 newline,
adamc@687 2148 newline,
adamc@687 2149
adamc@687 2150 string "void uw_initializer(uw_context ctx) {",
adamc@687 2151 newline,
adamc@687 2152 box [p_enamed env initialize,
adamc@687 2153 string "(ctx, uw_unit_v);",
adamc@687 2154 newline],
adamc@687 2155 string "}",
adamc@687 2156 newline]
adamc@29 2157
adamc@467 2158 | DPreparedStatements [] =>
adamc@467 2159 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2160 newline,
adamc@467 2161 string "}"]
adamc@282 2162 | DPreparedStatements ss =>
adamc@311 2163 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2164 newline,
adamc@311 2165 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2166 newline,
adamc@282 2167 string "PGresult *res;",
adamc@282 2168 newline,
adamc@282 2169 newline,
adamc@282 2170
adamc@282 2171 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2172 box [string "res = PQprepare(conn, \"uw",
adamc@282 2173 string (Int.toString i),
adamc@282 2174 string "\", \"",
adamc@282 2175 string (String.toString s),
adamc@282 2176 string "\", ",
adamc@282 2177 string (Int.toString n),
adamc@282 2178 string ", NULL);",
adamc@282 2179 newline,
adamc@282 2180 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2181 newline,
adamc@282 2182 box [string "char msg[1024];",
adamc@282 2183 newline,
adamc@282 2184 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2185 newline,
adamc@282 2186 string "msg[1023] = 0;",
adamc@282 2187 newline,
adamc@282 2188 string "PQclear(res);",
adamc@282 2189 newline,
adamc@282 2190 string "PQfinish(conn);",
adamc@282 2191 newline,
adamc@311 2192 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2193 string (String.toString s),
adamc@282 2194 string "\\n%s\", msg);",
adamc@282 2195 newline],
adamc@282 2196 string "}",
adamc@282 2197 newline,
adamc@282 2198 string "PQclear(res);",
adamc@282 2199 newline])
adamc@282 2200 ss,
adamc@282 2201
adamc@282 2202 string "}"]
adamc@282 2203
adamc@569 2204 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2205 string (String.toString s),
adamc@569 2206 string "\";"]
adamc@725 2207 | DCookie s => box [string "/*",
adamc@725 2208 space,
adamc@725 2209 string "cookie",
adamc@725 2210 space,
adamc@725 2211 string s,
adamc@725 2212 space,
adamc@725 2213 string "*/"]
adamc@720 2214 | DStyle s => box [string "/*",
adamc@720 2215 space,
adamc@720 2216 string "style",
adamc@720 2217 space,
adamc@720 2218 string s,
adamc@720 2219 space,
adamc@720 2220 string "*/"]
adamc@569 2221
adamc@144 2222 datatype 'a search =
adamc@144 2223 Found of 'a
adamc@144 2224 | NotFound
adamc@144 2225 | Error
adamc@120 2226
adamc@467 2227 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2228 case t of
adamc@275 2229 TFfi ("Basis", "int") => "int8"
adamc@275 2230 | TFfi ("Basis", "float") => "float8"
adamc@275 2231 | TFfi ("Basis", "string") => "text"
adamc@275 2232 | TFfi ("Basis", "bool") => "bool"
adamc@438 2233 | TFfi ("Basis", "time") => "timestamp"
adamc@737 2234 | TFfi ("Basis", "blob") => "bytea"
adamc@682 2235 | TFfi ("Basis", "channel") => "int8"
adamc@682 2236 | TFfi ("Basis", "client") => "int4"
adamc@275 2237 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2238 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2239 "ERROR")
adamc@275 2240
adamc@467 2241 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2242 case t of
adamc@467 2243 (TOption t, _) => p_sqltype'' env t
adamc@467 2244 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2245
adamc@275 2246 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2247
adamc@467 2248 fun p_sqltype_base' env t =
adamc@467 2249 case t of
adamc@467 2250 (TOption t, _) => p_sqltype'' env t
adamc@467 2251 | _ => p_sqltype'' env t
adamc@467 2252
adamc@467 2253 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2254
adamc@467 2255 fun is_not_null t =
adamc@467 2256 case t of
adamc@467 2257 (TOption _, _) => false
adamc@467 2258 | _ => true
adamc@467 2259
adamc@734 2260 fun sigName fields =
adamc@734 2261 let
adamc@734 2262 fun inFields s = List.exists (fn (s', _) => s' = s) fields
adamc@734 2263
adamc@734 2264 fun getSigName n =
adamc@734 2265 let
adamc@734 2266 val s = "Sig" ^ Int.toString n
adamc@734 2267 in
adamc@734 2268 if inFields s then
adamc@734 2269 getSigName (n + 1)
adamc@734 2270 else
adamc@734 2271 s
adamc@734 2272 end
adamc@734 2273 in
adamc@734 2274 if inFields "Sig" then
adamc@734 2275 getSigName 0
adamc@734 2276 else
adamc@734 2277 "Sig"
adamc@734 2278 end
adamc@734 2279
adamc@101 2280 fun p_file env (ds, ps) =
adamc@29 2281 let
adamc@101 2282 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2283 (p_decl env d,
adamc@638 2284 E.declBinds env d))
adamc@101 2285 env ds
adamc@144 2286
adamc@643 2287 val fields = foldl (fn ((ek, _, _, ts, _, _), fields) =>
adamc@144 2288 case ek of
adamc@735 2289 Link => fields
adamc@735 2290 | Rpc _ => fields
adamc@735 2291 | Action eff =>
adamc@280 2292 case List.nth (ts, length ts - 2) of
adamc@144 2293 (TRecord i, _) =>
adamc@144 2294 let
adamc@144 2295 val xts = E.lookupStruct env i
adamc@735 2296 val xts = case eff of
adamc@735 2297 ReadCookieWrite =>
adamc@735 2298 (sigName xts, (TRecord 0, ErrorMsg.dummySpan)) :: xts
adamc@735 2299 | _ => xts
adamc@144 2300 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 2301 in
adamc@144 2302 foldl (fn ((x, _), fields) =>
adamc@144 2303 let
adamc@144 2304 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 2305 in
adamc@144 2306 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 2307 xtsSet'))
adamc@144 2308 end) fields xts
adamc@144 2309 end
adamc@144 2310 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 2311 SM.empty ps
adamc@144 2312
adamc@144 2313 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2314 let
adamc@144 2315 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2316 case SM.find (fnums, x') of
adamc@144 2317 NONE => unusable
adamc@144 2318 | SOME n => IS.add (unusable, n))
adamc@144 2319 IS.empty xs
adamc@144 2320
adamc@144 2321 fun findAvailable n =
adamc@144 2322 if IS.member (unusable, n) then
adamc@144 2323 findAvailable (n + 1)
adamc@144 2324 else
adamc@144 2325 n
adamc@144 2326 in
adamc@144 2327 SM.insert (fnums, x, findAvailable 0)
adamc@144 2328 end)
adamc@144 2329 SM.empty fields
adamc@144 2330
adamc@734 2331 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2332
adamc@144 2333 fun makeSwitch (fnums, i) =
adamc@144 2334 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2335 | (n, Error) => Error
adamc@144 2336 | (n, Found n') => if n = n' then
adamc@144 2337 Found n'
adamc@144 2338 else
adamc@144 2339 Error) NotFound fnums of
adamc@144 2340 NotFound => box [string "return",
adamc@144 2341 space,
adamc@144 2342 string "-1;"]
adamc@144 2343 | Found n => box [string "return",
adamc@144 2344 space,
adamc@144 2345 string (Int.toString n),
adamc@144 2346 string ";"]
adamc@144 2347 | Error =>
adamc@144 2348 let
adamc@144 2349 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2350 let
adamc@144 2351 val ch = if i < size x then
adamc@144 2352 String.sub (x, i)
adamc@144 2353 else
adamc@144 2354 chr 0
adamc@144 2355
adamc@144 2356 val fnums = case CM.find (cmap, ch) of
adamc@144 2357 NONE => SM.empty
adamc@144 2358 | SOME fnums => fnums
adamc@144 2359 val fnums = SM.insert (fnums, x, n)
adamc@144 2360 in
adamc@144 2361 CM.insert (cmap, ch, fnums)
adamc@144 2362 end)
adamc@144 2363 CM.empty fnums
adamc@144 2364
adamc@144 2365 val cmap = CM.listItemsi cmap
adamc@144 2366 in
adamc@144 2367 case cmap of
adamc@144 2368 [(_, fnums)] =>
adamc@144 2369 box [string "if",
adamc@144 2370 space,
adamc@144 2371 string "(name[",
adamc@144 2372 string (Int.toString i),
adamc@144 2373 string "]",
adamc@144 2374 space,
adamc@144 2375 string "==",
adamc@144 2376 space,
adamc@144 2377 string "0)",
adamc@144 2378 space,
adamc@144 2379 string "return",
adamc@144 2380 space,
adamc@144 2381 string "-1;",
adamc@144 2382 newline,
adamc@144 2383 makeSwitch (fnums, i+1)]
adamc@144 2384 | _ =>
adamc@144 2385 box [string "switch",
adamc@144 2386 space,
adamc@144 2387 string "(name[",
adamc@144 2388 string (Int.toString i),
adamc@144 2389 string "])",
adamc@144 2390 space,
adamc@144 2391 string "{",
adamc@144 2392 newline,
adamc@144 2393 box (map (fn (ch, fnums) =>
adamc@144 2394 box [string "case",
adamc@144 2395 space,
adamc@144 2396 if ch = chr 0 then
adamc@144 2397 string "0:"
adamc@144 2398 else
adamc@144 2399 box [string "'",
adamc@144 2400 string (Char.toString ch),
adamc@144 2401 string "':"],
adamc@144 2402 newline,
adamc@144 2403 makeSwitch (fnums, i+1),
adamc@144 2404 newline]) cmap),
adamc@144 2405 string "default:",
adamc@144 2406 newline,
adamc@144 2407 string "return",
adamc@144 2408 space,
adamc@144 2409 string "-1;",
adamc@144 2410 newline,
adamc@144 2411 string "}"]
adamc@144 2412 end
adamc@144 2413
adamc@643 2414 fun p_page (ek, s, n, ts, ran, side) =
adamc@144 2415 let
adamc@734 2416 val (ts, defInputs, inputsVar, fields) =
adamc@144 2417 case ek of
adamc@734 2418 Core.Link => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@734 2419 | Core.Rpc _ => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@731 2420 | Core.Action _ =>
adamc@280 2421 case List.nth (ts, length ts - 2) of
adamc@144 2422 (TRecord i, _) =>
adamc@144 2423 let
adamc@144 2424 val xts = E.lookupStruct env i
adamc@144 2425 in
adamc@280 2426 (List.take (ts, length ts - 2),
adamc@144 2427 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2428 space,
adamc@311 2429 string "uw_input_",
adamc@316 2430 p_ident x,
adamc@144 2431 string ";",
adamc@144 2432 newline]) xts),
adamc@144 2433 newline,
adamc@144 2434 box (map (fn (x, t) =>
adamc@144 2435 let
adamc@144 2436 val n = case SM.find (fnums, x) of
adamc@144 2437 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 2438 | SOME n => n
adamc@190 2439
adamc@190 2440 val f = case t of
adamc@190 2441 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 2442 | _ => ""
adamc@144 2443 in
adamc@739 2444 if isFile t then
adamc@737 2445 box [string "uw_input_",
adamc@737 2446 p_ident x,
adamc@737 2447 space,
adamc@737 2448 string "=",
adamc@737 2449 space,
adamc@737 2450 string "uw_get_file_input(ctx, ",
adamc@737 2451 string (Int.toString n),
adamc@737 2452 string ");",
adamc@737 2453 newline]
adamc@737 2454 else
adamc@737 2455 box [string "request = uw_get_",
adamc@737 2456 string f,
adamc@737 2457 string "input(ctx, ",
adamc@737 2458 string (Int.toString n),
adamc@737 2459 string ");",
adamc@737 2460 newline,
adamc@737 2461 string "if (request == NULL)",
adamc@737 2462 newline,
adamc@737 2463 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@737 2464 string x,
adamc@737 2465 string "\");"],
adamc@737 2466 newline,
adamc@737 2467 string "uw_input_",
adamc@737 2468 p_ident x,
adamc@737 2469 space,
adamc@737 2470 string "=",
adamc@737 2471 space,
adamc@737 2472 unurlify env t,
adamc@737 2473 string ";",
adamc@737 2474 newline]
adamc@144 2475 end) xts),
adamc@311 2476 string "struct __uws_",
adamc@144 2477 string (Int.toString i),
adamc@144 2478 space,
adamc@311 2479 string "uw_inputs",
adamc@144 2480 space,
adamc@144 2481 string "= {",
adamc@144 2482 newline,
adamc@311 2483 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2484 p_ident x,
adamc@144 2485 string ",",
adamc@144 2486 newline]) xts),
adamc@144 2487 string "};",
adamc@144 2488 newline],
adamc@144 2489 box [string ",",
adamc@144 2490 space,
adamc@734 2491 string "uw_inputs"],
adamc@734 2492 SOME xts)
adamc@144 2493 end
adamc@144 2494
adamc@144 2495 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@734 2496
adamc@734 2497 fun couldWrite ek =
adamc@734 2498 case ek of
adamc@734 2499 Link => false
adamc@735 2500 | Action ef => ef = ReadCookieWrite
adamc@735 2501 | Rpc ef => ef = ReadCookieWrite
adamc@144 2502 in
adamc@735 2503 box [string "if (!strncmp(request, \"",
adamc@735 2504 string (String.toString s),
adamc@735 2505 string "\", ",
adamc@735 2506 string (Int.toString (size s)),
adamc@735 2507 string ") && (request[",
adamc@735 2508 string (Int.toString (size s)),
adamc@735 2509 string "] == 0 || request[",
adamc@735 2510 string (Int.toString (size s)),
adamc@735 2511 string "] == '/')) {",
adamc@735 2512 newline,
adamc@735 2513 string "request += ",
adamc@735 2514 string (Int.toString (size s)),
adamc@735 2515 string ";",
adamc@735 2516 newline,
adamc@735 2517 string "if (*request == '/') ++request;",
adamc@735 2518 newline,
adamc@735 2519 if couldWrite ek then
adamc@734 2520 box [string "{",
adamc@734 2521 newline,
adamc@734 2522 string "uw_Basis_string sig = ",
adamc@734 2523 case fields of
adamc@734 2524 NONE => string "uw_Basis_requestHeader(ctx, \"UrWeb-Sig\")"
adamc@734 2525 | SOME fields =>
adamc@734 2526 case SM.find (fnums, sigName fields) of
adamc@734 2527 NONE => raise Fail "CjrPrint: sig name wasn't assigned a number"
adamc@734 2528 | SOME inum =>
adamc@734 2529 string ("uw_get_input(ctx, " ^ Int.toString inum ^ ")"),
adamc@734 2530 string ";",
adamc@734 2531 newline,
adamc@734 2532 string "if (sig == NULL) uw_error(ctx, FATAL, \"Missing cookie signature\");",
adamc@734 2533 newline,
adamc@734 2534 string "if (strcmp(sig, uw_cookie_sig(ctx)))",
adamc@734 2535 newline,
adamc@734 2536 box [string "uw_error(ctx, FATAL, \"Wrong cookie signature\");",
adamc@734 2537 newline],
adamc@734 2538 string "}",
adamc@734 2539 newline]
adamc@734 2540 else
adamc@734 2541 box [],
adamc@609 2542 box (case ek of
adamc@731 2543 Core.Rpc _ => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@731 2544 newline]
adamc@609 2545 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2546 newline,
adamc@609 2547 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2548 newline,
adamc@609 2549 string "uw_write(ctx, \"<html>\");",
adamc@643 2550 newline,
adamc@643 2551 string "uw_set_script_header(ctx, \"",
adamc@643 2552 string (case side of
adamc@693 2553 ServerOnly => ""
adamc@693 2554 | _ => "<script src=\\\""
adamc@693 2555 ^ OS.Path.joinDirFile {dir = !Monoize.urlPrefix,
adamc@693 2556 file = "app.js"}
adamc@693 2557 ^ "\\\"></script>\\n"),
adamc@643 2558 string "\");",
adamc@693 2559 newline,
adamc@693 2560 string "uw_set_needs_push(ctx, ",
adamc@693 2561 string (case side of
adamc@693 2562 ServerAndPullAndPush => "1"
adamc@693 2563 | _ => "0"),
adamc@693 2564 string ");",
adamc@693 2565 newline,
adamc@667 2566 string "uw_set_url_prefix(ctx, \"",
adamc@667 2567 string (!Monoize.urlPrefix),
adamc@667 2568 string "\");",
adamc@609 2569 newline]),
adamc@736 2570 string "uw_set_needs_sig(ctx, ",
adamc@736 2571 string (if couldWrite ek then
adamc@736 2572 "1"
adamc@736 2573 else
adamc@736 2574 "0"),
adamc@736 2575 string ");",
adamc@736 2576 newline,
adamc@682 2577 string "uw_login(ctx);",
adamc@682 2578 newline,
adamc@144 2579 box [string "{",
adamc@144 2580 newline,
adamc@144 2581 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2582 space,
adamc@144 2583 string "arg",
adamc@144 2584 string (Int.toString i),
adamc@144 2585 space,
adamc@144 2586 string "=",
adamc@144 2587 space,
adamc@463 2588 unurlify env t,
adamc@144 2589 string ";",
adamc@144 2590 newline]) ts),
adamc@144 2591 defInputs,
adamc@609 2592 box (case ek of
adamc@731 2593 Core.Rpc _ => [p_typ env ran,
adamc@731 2594 space,
adamc@731 2595 string "it0",
adamc@731 2596 space,
adamc@731 2597 string "=",
adamc@731 2598 space]
adamc@609 2599 | _ => []),
adamc@144 2600 p_enamed env n,
adamc@144 2601 string "(",
adamc@144 2602 p_list_sep (box [string ",", space])
adamc@144 2603 (fn x => x)
adamc@272 2604 (string "ctx"
adamc@280 2605 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2606 inputsVar,
adamc@311 2607 string ", uw_unit_v);",
adamc@144 2608 newline,
adamc@609 2609 box (case ek of
adamc@731 2610 Core.Rpc _ => [urlify env ran]
adamc@609 2611 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2612 newline]),
adamc@144 2613 string "return;",
adamc@144 2614 newline,
adamc@144 2615 string "}",
adamc@144 2616 newline,
adamc@144 2617 string "}"]
adamc@144 2618 ]
adamc@144 2619 end
adamc@144 2620
adamc@144 2621 val pds' = map p_page ps
adamc@275 2622
adamc@707 2623 val tables = List.mapPartial (fn (DTable (s, xts, _, _), _) => SOME (s, xts)
adamc@275 2624 | _ => NONE) ds
adamc@377 2625 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2626 | _ => NONE) ds
adamc@275 2627
adamc@275 2628 val validate =
adamc@311 2629 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2630 newline,
adamc@311 2631 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2632 newline,
adamc@275 2633 string "PGresult *res;",
adamc@275 2634 newline,
adamc@275 2635 newline,
adamc@275 2636 p_list_sep newline
adamc@275 2637 (fn (s, xts) =>
adamc@275 2638 let
adamc@377 2639 val sl = CharVector.map Char.toLower s
adamc@377 2640
adamc@275 2641 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2642 ^ sl ^ "'"
adamc@275 2643
adamc@275 2644 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2645 sl,
adamc@275 2646 "') AND (",
adamc@275 2647 String.concatWith " OR "
adamc@275 2648 (map (fn (x, t) =>
adamc@311 2649 String.concat ["(attname = 'uw_",
adamc@275 2650 CharVector.map
adamc@316 2651 Char.toLower (ident x),
adamc@275 2652 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2653 " WHERE typname = '",
adamc@467 2654 p_sqltype_base' env t,
adamc@467 2655 "') AND attnotnull = ",
adamc@467 2656 if is_not_null t then
adamc@467 2657 "TRUE"
adamc@467 2658 else
adamc@467 2659 "FALSE",
adamc@467 2660 ")"]) xts),
adamc@275 2661 ")"]
adamc@275 2662
adamc@275 2663 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2664 sl,
adamc@325 2665 "') AND attname LIKE 'uw_%'"]
adamc@275 2666 in
adamc@275 2667 box [string "res = PQexec(conn, \"",
adamc@275 2668 string q,
adamc@275 2669 string "\");",
adamc@275 2670 newline,
adamc@275 2671 newline,
adamc@275 2672 string "if (res == NULL) {",
adamc@275 2673 newline,
adamc@275 2674 box [string "PQfinish(conn);",
adamc@275 2675 newline,
adamc@311 2676 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2677 newline],
adamc@275 2678 string "}",
adamc@275 2679 newline,
adamc@275 2680 newline,
adamc@275 2681 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2682 newline,
adamc@275 2683 box [string "char msg[1024];",
adamc@275 2684 newline,
adamc@275 2685 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2686 newline,
adamc@275 2687 string "msg[1023] = 0;",
adamc@275 2688 newline,
adamc@275 2689 string "PQclear(res);",
adamc@275 2690 newline,
adamc@275 2691 string "PQfinish(conn);",
adamc@275 2692 newline,
adamc@311 2693 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2694 string q,
adamc@275 2695 string "\\n%s\", msg);",
adamc@275 2696 newline],
adamc@275 2697 string "}",
adamc@275 2698 newline,
adamc@275 2699 newline,
adamc@275 2700 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2701 newline,
adamc@275 2702 box [string "PQclear(res);",
adamc@275 2703 newline,
adamc@275 2704 string "PQfinish(conn);",
adamc@275 2705 newline,
adamc@311 2706 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2707 string s,
adamc@275 2708 string "' does not exist.\");",
adamc@275 2709 newline],
adamc@275 2710 string "}",
adamc@275 2711 newline,
adamc@275 2712 newline,
adamc@275 2713 string "PQclear(res);",
adamc@275 2714 newline,
adamc@275 2715
adamc@275 2716 string "res = PQexec(conn, \"",
adamc@275 2717 string q',
adamc@275 2718 string "\");",
adamc@275 2719 newline,
adamc@275 2720 newline,
adamc@275 2721 string "if (res == NULL) {",
adamc@275 2722 newline,
adamc@275 2723 box [string "PQfinish(conn);",
adamc@275 2724 newline,
adamc@311 2725 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2726 newline],
adamc@275 2727 string "}",
adamc@275 2728 newline,
adamc@275 2729 newline,
adamc@275 2730 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2731 newline,
adamc@275 2732 box [string "char msg[1024];",
adamc@275 2733 newline,
adamc@275 2734 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2735 newline,
adamc@275 2736 string "msg[1023] = 0;",
adamc@275 2737 newline,
adamc@275 2738 string "PQclear(res);",
adamc@275 2739 newline,
adamc@275 2740 string "PQfinish(conn);",
adamc@275 2741 newline,
adamc@311 2742 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2743 string q',
adamc@275 2744 string "\\n%s\", msg);",
adamc@275 2745 newline],
adamc@275 2746 string "}",
adamc@275 2747 newline,
adamc@275 2748 newline,
adamc@275 2749 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2750 string (Int.toString (length xts)),
adamc@275 2751 string "\")) {",
adamc@275 2752 newline,
adamc@275 2753 box [string "PQclear(res);",
adamc@275 2754 newline,
adamc@275 2755 string "PQfinish(conn);",
adamc@275 2756 newline,
adamc@311 2757 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2758 string s,
adamc@275 2759 string "' has the wrong column types.\");",
adamc@275 2760 newline],
adamc@275 2761 string "}",
adamc@275 2762 newline,
adamc@275 2763 newline,
adamc@275 2764 string "PQclear(res);",
adamc@275 2765 newline,
adamc@275 2766 newline,
adamc@275 2767
adamc@275 2768 string "res = PQexec(conn, \"",
adamc@275 2769 string q'',
adamc@275 2770 string "\");",
adamc@275 2771 newline,
adamc@275 2772 newline,
adamc@275 2773 string "if (res == NULL) {",
adamc@275 2774 newline,
adamc@275 2775 box [string "PQfinish(conn);",
adamc@275 2776 newline,
adamc@311 2777 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2778 newline],
adamc@275 2779 string "}",
adamc@275 2780 newline,
adamc@275 2781 newline,
adamc@275 2782 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2783 newline,
adamc@275 2784 box [string "char msg[1024];",
adamc@275 2785 newline,
adamc@275 2786 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2787 newline,
adamc@275 2788 string "msg[1023] = 0;",
adamc@275 2789 newline,
adamc@275 2790 string "PQclear(res);",
adamc@275 2791 newline,
adamc@275 2792 string "PQfinish(conn);",
adamc@275 2793 newline,
adamc@311 2794 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2795 string q'',
adamc@275 2796 string "\\n%s\", msg);",
adamc@275 2797 newline],
adamc@275 2798 string "}",
adamc@275 2799 newline,
adamc@275 2800 newline,
adamc@275 2801 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2802 string (Int.toString (length xts)),
adamc@275 2803 string "\")) {",
adamc@275 2804 newline,
adamc@275 2805 box [string "PQclear(res);",
adamc@275 2806 newline,
adamc@275 2807 string "PQfinish(conn);",
adamc@275 2808 newline,
adamc@311 2809 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2810 string s,
adamc@275 2811 string "' has extra columns.\");",
adamc@275 2812 newline],
adamc@275 2813 string "}",
adamc@275 2814 newline,
adamc@275 2815 newline,
adamc@275 2816 string "PQclear(res);",
adamc@275 2817 newline]
adamc@275 2818 end) tables,
adamc@377 2819
adamc@377 2820 p_list_sep newline
adamc@377 2821 (fn s =>
adamc@377 2822 let
adamc@377 2823 val sl = CharVector.map Char.toLower s
adamc@377 2824
adamc@377 2825 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2826 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2827 in
adamc@377 2828 box [string "res = PQexec(conn, \"",
adamc@377 2829 string q,
adamc@377 2830 string "\");",
adamc@377 2831 newline,
adamc@377 2832 newline,
adamc@377 2833 string "if (res == NULL) {",
adamc@377 2834 newline,
adamc@377 2835 box [string "PQfinish(conn);",
adamc@377 2836 newline,
adamc@377 2837 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2838 newline],
adamc@377 2839 string "}",
adamc@377 2840 newline,
adamc@377 2841 newline,
adamc@377 2842 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2843 newline,
adamc@377 2844 box [string "char msg[1024];",
adamc@377 2845 newline,
adamc@377 2846 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2847 newline,
adamc@377 2848 string "msg[1023] = 0;",
adamc@377 2849 newline,
adamc@377 2850 string "PQclear(res);",
adamc@377 2851 newline,
adamc@377 2852 string "PQfinish(conn);",
adamc@377 2853 newline,
adamc@377 2854 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2855 string q,
adamc@377 2856 string "\\n%s\", msg);",
adamc@377 2857 newline],
adamc@377 2858 string "}",
adamc@377 2859 newline,
adamc@377 2860 newline,
adamc@377 2861 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2862 newline,
adamc@377 2863 box [string "PQclear(res);",
adamc@377 2864 newline,
adamc@377 2865 string "PQfinish(conn);",
adamc@377 2866 newline,
adamc@377 2867 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2868 string s,
adamc@377 2869 string "' does not exist.\");",
adamc@377 2870 newline],
adamc@377 2871 string "}",
adamc@377 2872 newline,
adamc@377 2873 newline,
adamc@377 2874 string "PQclear(res);",
adamc@377 2875 newline]
adamc@377 2876 end) sequences,
adamc@377 2877
adamc@275 2878 string "}"]
adamc@432 2879
adamc@432 2880 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@734 2881
adamc@734 2882 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2883
adamc@734 2884 val cookieCode = foldl (fn (cookie, acc) =>
adamc@734 2885 SOME (case acc of
adamc@734 2886 NONE => string ("uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 2887 ^ cookie ^ "\"))")
adamc@734 2888 | SOME acc => box [string ("uw_Basis_strcat(ctx, uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 2889 ^ cookie ^ "\")), uw_Basis_strcat(ctx, \"/\", "),
adamc@734 2890 acc,
adamc@734 2891 string "))"]))
adamc@734 2892 NONE cookies
adamc@29 2893 in
adamc@144 2894 box [string "#include <stdio.h>",
adamc@144 2895 newline,
adamc@144 2896 string "#include <stdlib.h>",
adamc@144 2897 newline,
adamc@272 2898 string "#include <string.h>",
adamc@272 2899 newline,
adamc@390 2900 string "#include <math.h>",
adamc@390 2901 newline,
adamc@432 2902 if hasDb then
adamc@432 2903 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2904 newline]
adamc@432 2905 else
adamc@432 2906 box [],
adamc@144 2907 newline,
adamc@378 2908 string "#include \"",
adamc@378 2909 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2910 file = "urweb.h"}),
adamc@378 2911 string "\"",
adamc@101 2912 newline,
adamc@101 2913 newline,
adamc@101 2914 p_list_sep newline (fn x => x) pds,
adamc@101 2915 newline,
adamc@311 2916 string "int uw_inputs_len = ",
adamc@144 2917 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2918 string ";",
adamc@144 2919 newline,
adamc@673 2920 string "int uw_timeout = ",
adamc@673 2921 string (Int.toString (!timeout)),
adamc@673 2922 string ";",
adamc@673 2923 newline,
adamc@144 2924 newline,
adamc@311 2925 string "int uw_input_num(char *name) {",
adamc@144 2926 newline,
adamc@144 2927 makeSwitch (fnums, 0),
adamc@144 2928 string "}",
adamc@144 2929 newline,
adamc@144 2930 newline,
adamc@734 2931
adamc@734 2932 string "extern void uw_sign(const char *in, char *out);",
adamc@734 2933 newline,
adamc@734 2934 string "extern int uw_hash_blocksize;",
adamc@734 2935 newline,
adamc@734 2936 string "uw_Basis_string uw_cookie_sig(uw_context ctx) {",
adamc@734 2937 newline,
adamc@734 2938 box [string "uw_Basis_string r = uw_malloc(ctx, uw_hash_blocksize);",
adamc@734 2939 newline,
adamc@734 2940 string "uw_sign(",
adamc@734 2941 case cookieCode of
adamc@734 2942 NONE => string "\"\""
adamc@734 2943 | SOME code => code,
adamc@734 2944 string ", r);",
adamc@734 2945 newline,
adamc@734 2946 string "return uw_Basis_makeSigString(ctx, r);",
adamc@734 2947 newline],
adamc@734 2948 string "}",
adamc@734 2949 newline,
adamc@734 2950 newline,
adamc@734 2951
adamc@311 2952 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2953 newline,
adamc@569 2954 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 2955 newline,
adamc@569 2956 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 2957 newline,
adamc@569 2958 string "uw_write(ctx, jslib);",
adamc@569 2959 newline,
adamc@569 2960 string "return;",
adamc@569 2961 newline],
adamc@569 2962 string "}",
adamc@569 2963 newline,
adamc@101 2964 p_list_sep newline (fn x => x) pds',
adamc@101 2965 newline,
adamc@387 2966 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2967 newline,
adamc@101 2968 string "}",
adamc@275 2969 newline,
adamc@275 2970 newline,
adamc@432 2971 if hasDb then
adamc@432 2972 validate
adamc@432 2973 else
adamc@432 2974 box [],
adamc@376 2975 newline,
adamc@376 2976 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2977 box []
adamc@376 2978 else
adamc@376 2979 box [newline,
adamc@376 2980 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2981 newline,
adamc@424 2982 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2983 newline,
adamc@424 2984 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2985 newline,
adamc@424 2986 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@684 2987 newline,
adamc@684 2988 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) { };",
adamc@687 2989 newline,
adamc@687 2990 string "void uw_initializer(uw_context ctx) { };",
adamc@376 2991 newline]]
adamc@29 2992 end
adamc@29 2993
adamc@274 2994 fun p_sql env (ds, _) =
adamc@274 2995 let
adamc@274 2996 val (pps, _) = ListUtil.foldlMap
adamc@274 2997 (fn (dAll as (d, _), env) =>
adamc@274 2998 let
adamc@274 2999 val pp = case d of
adamc@707 3000 DTable (s, xts, pk, csts) =>
adamc@274 3001 box [string "CREATE TABLE ",
adamc@274 3002 string s,
adamc@274 3003 string "(",
adamc@274 3004 p_list (fn (x, t) =>
adamc@311 3005 box [string "uw_",
adamc@275 3006 string (CharVector.map Char.toLower x),
adamc@274 3007 space,
adamc@467 3008 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@707 3009 case (pk, csts) of
adamc@707 3010 ("", []) => box []
adamc@707 3011 | _ => string ",",
adamc@704 3012 cut,
adamc@707 3013 case pk of
adamc@707 3014 "" => box []
adamc@707 3015 | _ => box [string "PRIMARY",
adamc@707 3016 space,
adamc@707 3017 string "KEY",
adamc@707 3018 space,
adamc@707 3019 string "(",
adamc@707 3020 string pk,
adamc@707 3021 string ")",
adamc@707 3022 case csts of
adamc@707 3023 [] => box []
adamc@707 3024 | _ => string ",",
adamc@707 3025 newline],
adamc@704 3026 p_list_sep (box [string ",", newline])
adamc@704 3027 (fn (x, c) =>
adamc@704 3028 box [string "CONSTRAINT",
adamc@704 3029 space,
adamc@704 3030 string s,
adamc@704 3031 string "_",
adamc@704 3032 string x,
adamc@704 3033 space,
adamc@704 3034 string c]) csts,
adamc@704 3035 newline,
adamc@274 3036 string ");",
adamc@274 3037 newline,
adamc@274 3038 newline]
adamc@338 3039 | DSequence s =>
adamc@338 3040 box [string "CREATE SEQUENCE ",
adamc@338 3041 string s,
adamc@338 3042 string ";",
adamc@338 3043 newline,
adamc@338 3044 newline]
adamc@274 3045 | _ => box []
adamc@274 3046 in
adamc@274 3047 (pp, E.declBinds env dAll)
adamc@274 3048 end)
adamc@274 3049 env ds
adamc@274 3050 in
adamc@274 3051 box pps
adamc@274 3052 end
adamc@274 3053
adamc@29 3054 end