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annotate src/cjr_print.sml @ 866:03e7f111fe99

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Start of multi-DBMS support
author Adam Chlipala <adamc@hcoop.net>
date Sun, 28 Jun 2009 13:49:32 -0400
parents 305bc0a431de
children e7f80d78075b
rev   line source
adamc@643 1 (* Copyright (c) 2008-2009, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@463 65 fun isUnboxable (t : typ) =
adamc@463 66 case #1 t of
adamc@463 67 TDatatype (Default, _, _) => true
adamc@463 68 | TFfi ("Basis", "string") => true
adamc@463 69 | _ => false
adamc@463 70
adamc@29 71 fun p_typ' par env (t, loc) =
adamc@29 72 case t of
adamc@476 73 TFun (t1, t2) => (EM.errorAt loc "Function type remains";
adamc@476 74 string "<FUNCTION>")
adamc@29 75 | TRecord i => box [string "struct",
adamc@29 76 space,
adamc@311 77 string "__uws_",
adamc@29 78 string (Int.toString i)]
adamc@188 79 | TDatatype (Enum, n, _) =>
adamc@188 80 (box [string "enum",
adamc@188 81 space,
adamc@311 82 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 83 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 84 | TDatatype (Option, n, xncs) =>
adamc@198 85 (case ListUtil.search #3 (!xncs) of
adamc@198 86 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 87 | SOME t =>
adamc@198 88 case #1 t of
adamc@198 89 TDatatype _ => p_typ' par env t
adamc@199 90 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 91 | _ => box [p_typ' par env t,
adamc@198 92 string "*"])
adamc@188 93 | TDatatype (Default, n, _) =>
adamc@165 94 (box [string "struct",
adamc@165 95 space,
adamc@311 96 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 97 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 98 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 99 | TOption t =>
adamc@463 100 if isUnboxable t then
adamc@463 101 p_typ' par env t
adamc@463 102 else
adamc@463 103 box [p_typ' par env t,
adamc@463 104 string "*"]
adamc@757 105 | TList (_, i) => box [string "struct",
adamc@757 106 space,
adamc@757 107 string "__uws_",
adamc@757 108 string (Int.toString i),
adamc@757 109 string "*"]
adamc@29 110
adamc@29 111 and p_typ env = p_typ' false env
adamc@29 112
adamc@316 113 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 114 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 115
adamc@109 116 fun p_enamed env n =
adamc@316 117 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 118 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 119
adamc@182 120 fun p_con_named env n =
adamc@316 121 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 122 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 123
adamc@182 124 fun p_pat_preamble env (p, _) =
adamc@182 125 case p of
adamc@182 126 PWild => (box [],
adamc@182 127 env)
adamc@182 128 | PVar (x, t) => (box [p_typ env t,
adamc@182 129 space,
adamc@311 130 string "__uwr_",
adamc@316 131 p_ident x,
adamc@182 132 string "_",
adamc@182 133 string (Int.toString (E.countERels env)),
adamc@182 134 string ";",
adamc@182 135 newline],
adamc@196 136 E.pushERel env x t)
adamc@182 137 | PPrim _ => (box [], env)
adamc@188 138 | PCon (_, _, NONE) => (box [], env)
adamc@188 139 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 140 | PRecord xps =>
adamc@182 141 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 142 let
adamc@182 143 val (pp', env) = p_pat_preamble env p
adamc@182 144 in
adamc@182 145 (box [pp', pp], env)
adamc@182 146 end) (box [], env) xps
adamc@288 147 | PNone _ => (box [], env)
adamc@288 148 | PSome (_, p) => p_pat_preamble env p
adamc@182 149
adamc@182 150 fun p_patCon env pc =
adamc@182 151 case pc of
adamc@182 152 PConVar n => p_con_named env n
adamc@316 153 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 154
adamc@757 155 fun p_pat (env, exit, depth) (p, loc) =
adamc@182 156 case p of
adamc@182 157 PWild =>
adamc@182 158 (box [], env)
adamc@182 159 | PVar (x, t) =>
adamc@311 160 (box [string "__uwr_",
adamc@316 161 p_ident x,
adamc@182 162 string "_",
adamc@182 163 string (Int.toString (E.countERels env)),
adamc@182 164 space,
adamc@182 165 string "=",
adamc@182 166 space,
adamc@182 167 string "disc",
adamc@182 168 string (Int.toString depth),
adamc@182 169 string ";"],
adamc@182 170 E.pushERel env x t)
adamc@182 171 | PPrim (Prim.Int n) =>
adamc@182 172 (box [string "if",
adamc@182 173 space,
adamc@182 174 string "(disc",
adamc@182 175 string (Int.toString depth),
adamc@182 176 space,
adamc@182 177 string "!=",
adamc@182 178 space,
adamc@276 179 Prim.p_t_GCC (Prim.Int n),
adamc@182 180 string ")",
adamc@182 181 space,
adamc@182 182 exit],
adamc@182 183 env)
adamc@182 184 | PPrim (Prim.String s) =>
adamc@182 185 (box [string "if",
adamc@182 186 space,
adamc@182 187 string "(strcmp(disc",
adamc@182 188 string (Int.toString depth),
adamc@182 189 string ",",
adamc@182 190 space,
adamc@276 191 Prim.p_t_GCC (Prim.String s),
adamc@182 192 string "))",
adamc@182 193 space,
adamc@182 194 exit],
adamc@182 195 env)
adamc@182 196 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 197
adamc@188 198 | PCon (dk, pc, po) =>
adamc@182 199 let
adamc@182 200 val (p, env) =
adamc@182 201 case po of
adamc@182 202 NONE => (box [], env)
adamc@182 203 | SOME p =>
adamc@182 204 let
adamc@182 205 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 206
adamc@182 207 val (x, to) = case pc of
adamc@182 208 PConVar n =>
adamc@182 209 let
adamc@182 210 val (x, to, _) = E.lookupConstructor env n
adamc@182 211 in
adamc@316 212 ("uw_" ^ ident x, to)
adamc@182 213 end
adamc@188 214 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 215 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 216
adamc@182 217 val t = case to of
adamc@182 218 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 219 | SOME t => t
adamc@182 220 in
adamc@182 221 (box [string "{",
adamc@182 222 newline,
adamc@182 223 p_typ env t,
adamc@182 224 space,
adamc@182 225 string "disc",
adamc@182 226 string (Int.toString (depth + 1)),
adamc@182 227 space,
adamc@182 228 string "=",
adamc@182 229 space,
adamc@198 230 case dk of
adamc@198 231 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 232 | Default => box [string "disc",
adamc@198 233 string (Int.toString depth),
adamc@198 234 string "->data.",
adamc@198 235 string x]
adamc@198 236 | Option =>
adamc@463 237 if isUnboxable t then
adamc@463 238 box [string "disc",
adamc@463 239 string (Int.toString depth)]
adamc@463 240 else
adamc@463 241 box [string "*disc",
adamc@463 242 string (Int.toString depth)],
adamc@182 243 string ";",
adamc@182 244 newline,
adamc@182 245 p,
adamc@182 246 newline,
adamc@182 247 string "}"],
adamc@182 248 env)
adamc@182 249 end
adamc@182 250 in
adamc@182 251 (box [string "if",
adamc@182 252 space,
adamc@182 253 string "(disc",
adamc@182 254 string (Int.toString depth),
adamc@198 255 case (dk, po) of
adamc@198 256 (Enum, _) => box [space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Default, _) => box [string "->tag",
adamc@198 261 space,
adamc@198 262 string "!=",
adamc@198 263 space,
adamc@198 264 p_patCon env pc]
adamc@198 265 | (Option, NONE) => box [space,
adamc@198 266 string "!=",
adamc@198 267 space,
adamc@198 268 string "NULL"]
adamc@198 269 | (Option, SOME _) => box [space,
adamc@198 270 string "==",
adamc@198 271 space,
adamc@198 272 string "NULL"],
adamc@182 273 string ")",
adamc@182 274 space,
adamc@182 275 exit,
adamc@182 276 newline,
adamc@182 277 p],
adamc@182 278 env)
adamc@182 279 end
adamc@182 280
adamc@182 281 | PRecord xps =>
adamc@182 282 let
adamc@182 283 val (xps, env) =
adamc@182 284 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 285 let
adamc@182 286 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 287
adamc@182 288 val p = box [string "{",
adamc@182 289 newline,
adamc@182 290 p_typ env t,
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString (depth + 1)),
adamc@182 294 space,
adamc@182 295 string "=",
adamc@182 296 space,
adamc@182 297 string "disc",
adamc@182 298 string (Int.toString depth),
adamc@311 299 string ".__uwf_",
adamc@316 300 p_ident x,
adamc@182 301 string ";",
adamc@182 302 newline,
adamc@182 303 p,
adamc@182 304 newline,
adamc@182 305 string "}"]
adamc@182 306 in
adamc@182 307 (p, env)
adamc@182 308 end) env xps
adamc@182 309 in
adamc@182 310 (p_list_sep newline (fn x => x) xps,
adamc@182 311 env)
adamc@182 312 end
adamc@182 313
adamc@288 314 | PNone t =>
adamc@288 315 (box [string "if",
adamc@288 316 space,
adamc@288 317 string "(disc",
adamc@288 318 string (Int.toString depth),
adamc@288 319 space,
adamc@288 320 string "!=",
adamc@288 321 space,
adamc@288 322 string "NULL)",
adamc@288 323 space,
adamc@288 324 exit,
adamc@288 325 newline],
adamc@288 326 env)
adamc@288 327
adamc@288 328 | PSome (t, p) =>
adamc@288 329 let
adamc@288 330 val (p, env) =
adamc@288 331 let
adamc@288 332 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 333 in
adamc@288 334 (box [string "{",
adamc@288 335 newline,
adamc@288 336 p_typ env t,
adamc@288 337 space,
adamc@288 338 string "disc",
adamc@288 339 string (Int.toString (depth + 1)),
adamc@288 340 space,
adamc@288 341 string "=",
adamc@288 342 space,
adamc@463 343 if isUnboxable t then
adamc@463 344 box [string "disc",
adamc@463 345 string (Int.toString depth)]
adamc@463 346 else
adamc@463 347 box [string "*disc",
adamc@463 348 string (Int.toString depth)],
adamc@288 349 string ";",
adamc@288 350 newline,
adamc@288 351 p,
adamc@288 352 newline,
adamc@288 353 string "}"],
adamc@288 354 env)
adamc@288 355 end
adamc@288 356 in
adamc@288 357 (box [string "if",
adamc@288 358 space,
adamc@288 359 string "(disc",
adamc@288 360 string (Int.toString depth),
adamc@288 361 space,
adamc@288 362 string "==",
adamc@288 363 space,
adamc@288 364 string "NULL)",
adamc@288 365 space,
adamc@288 366 exit,
adamc@288 367 newline,
adamc@288 368 p],
adamc@288 369 env)
adamc@288 370 end
adamc@288 371
adamc@182 372 local
adamc@182 373 val count = ref 0
adamc@182 374 in
adamc@182 375 fun newGoto () =
adamc@182 376 let
adamc@182 377 val r = !count
adamc@182 378 in
adamc@182 379 count := r + 1;
adamc@182 380 string ("L" ^ Int.toString r)
adamc@182 381 end
adamc@182 382 end
adamc@182 383
adamc@185 384 fun patConInfo env pc =
adamc@185 385 case pc of
adamc@185 386 PConVar n =>
adamc@185 387 let
adamc@185 388 val (x, _, dn) = E.lookupConstructor env n
adamc@185 389 val (dx, _) = E.lookupDatatype env dn
adamc@185 390 in
adamc@316 391 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 392 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 393 "uw_" ^ ident x)
adamc@185 394 end
adamc@186 395 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 396 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 397 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 398 "uw_" ^ ident con)
adamc@185 399
adamc@743 400 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e eLen =
adamc@278 401 case t of
adamc@311 402 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 403 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 404 | TFfi ("Basis", "string") =>
adamc@324 405 if wontLeakStrings then
adamc@324 406 e
adamc@324 407 else
adamc@737 408 box [string "uw_strdup(ctx, ", e, string ")"]
adamc@311 409 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 410 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@743 411 | TFfi ("Basis", "blob") => box [string "uw_Basis_stringToBlob_error(ctx, ",
adamc@743 412 e,
adamc@743 413 string ", ",
adamc@743 414 eLen,
adamc@743 415 string ")"]
adamc@678 416 | TFfi ("Basis", "channel") => box [string "uw_Basis_stringToChannel_error(ctx, ", e, string ")"]
adamc@682 417 | TFfi ("Basis", "client") => box [string "uw_Basis_stringToClient_error(ctx, ", e, string ")"]
adamc@467 418
adamc@278 419 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 420 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 421 string "ERROR")
adamc@278 422
adamc@467 423 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 424 case t of
adamc@467 425 TOption t =>
adamc@747 426 box [string "(PQgetisnull(res, i, ",
adamc@467 427 string (Int.toString i),
adamc@467 428 string ") ? NULL : ",
adamc@467 429 case t of
adamc@467 430 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 431 | _ => box [string "({",
adamc@467 432 newline,
adamc@467 433 p_typ env t,
adamc@467 434 space,
adamc@467 435 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 436 p_typ env t,
adamc@467 437 string "));",
adamc@467 438 newline,
adamc@467 439 string "*tmp = ",
adamc@467 440 p_getcol wontLeakStrings env t i,
adamc@467 441 string ";",
adamc@467 442 newline,
adamc@467 443 string "tmp;",
adamc@467 444 newline,
adamc@467 445 string "})"],
adamc@467 446 string ")"]
adamc@467 447 | _ =>
adamc@747 448 box [string "(PQgetisnull(res, i, ",
adamc@747 449 string (Int.toString i),
adamc@747 450 string ") ? ",
adamc@747 451 box [string "({",
adamc@747 452 p_typ env tAll,
adamc@747 453 space,
adamc@747 454 string "tmp;",
adamc@747 455 newline,
adamc@747 456 string "uw_error(ctx, FATAL, \"Unexpectedly NULL field #",
adamc@747 457 string (Int.toString i),
adamc@747 458 string "\");",
adamc@747 459 newline,
adamc@747 460 string "tmp;",
adamc@747 461 newline,
adamc@747 462 string "})"],
adamc@747 463 string " : ",
adamc@747 464 p_unsql wontLeakStrings env tAll
adamc@747 465 (box [string "PQgetvalue(res, i, ",
adamc@747 466 string (Int.toString i),
adamc@747 467 string ")"])
adamc@747 468 (box [string "PQgetlength(res, i, ",
adamc@747 469 string (Int.toString i),
adamc@747 470 string ")"]),
adamc@747 471 string ")"]
adamc@467 472
adamc@282 473 datatype sql_type =
adamc@282 474 Int
adamc@282 475 | Float
adamc@282 476 | String
adamc@282 477 | Bool
adamc@439 478 | Time
adamc@737 479 | Blob
adamc@678 480 | Channel
adamc@682 481 | Client
adamc@467 482 | Nullable of sql_type
adamc@282 483
adamc@737 484 fun isBlob Blob = true
adamc@737 485 | isBlob (Nullable t) = isBlob t
adamc@737 486 | isBlob _ = false
adamc@737 487
adamc@739 488 fun isFile (t : typ) =
adamc@737 489 case #1 t of
adamc@739 490 TFfi ("Basis", "file") => true
adamc@737 491 | _ => false
adamc@737 492
adamc@467 493 fun p_sql_type' t =
adamc@467 494 case t of
adamc@467 495 Int => "uw_Basis_int"
adamc@467 496 | Float => "uw_Basis_float"
adamc@467 497 | String => "uw_Basis_string"
adamc@467 498 | Bool => "uw_Basis_bool"
adamc@467 499 | Time => "uw_Basis_time"
adamc@737 500 | Blob => "uw_Basis_blob"
adamc@678 501 | Channel => "uw_Basis_channel"
adamc@682 502 | Client => "uw_Basis_client"
adamc@467 503 | Nullable String => "uw_Basis_string"
adamc@467 504 | Nullable t => p_sql_type' t ^ "*"
adamc@467 505
adamc@467 506 fun p_sql_type t = string (p_sql_type' t)
adamc@282 507
adamc@282 508 fun getPargs (e, _) =
adamc@282 509 case e of
adamc@282 510 EPrim (Prim.String _) => []
adamc@282 511 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 512
adamc@282 513 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 514 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 515 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 516 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 517 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@737 518 | EFfiApp ("Basis", "sqlifyBlob", [e]) => [(e, Blob)]
adamc@678 519 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@682 520 | EFfiApp ("Basis", "sqlifyClient", [e]) => [(e, Client)]
adamc@468 521
adamc@678 522 | ECase (e,
adamc@678 523 [((PNone _, _),
adamc@678 524 (EPrim (Prim.String "NULL"), _)),
adamc@678 525 ((PSome (_, (PVar _, _)), _),
adamc@678 526 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 527 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 528
adamc@491 529 | ECase (e,
adamc@491 530 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 531 (EPrim (Prim.String "TRUE"), _)),
adamc@491 532 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 533 (EPrim (Prim.String "FALSE"), _))],
adamc@491 534 _) => [(e, Bool)]
adamc@282 535
adamc@282 536 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 537
adamc@282 538 fun p_ensql t e =
adamc@282 539 case t of
adamc@311 540 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 541 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 542 | String => e
adamc@295 543 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@682 544 | Time => box [string "uw_Basis_attrifyTime(ctx, ", e, string ")"]
adamc@737 545 | Blob => box [e, string ".data"]
adamc@678 546 | Channel => box [string "uw_Basis_attrifyChannel(ctx, ", e, string ")"]
adamc@682 547 | Client => box [string "uw_Basis_attrifyClient(ctx, ", e, string ")"]
adamc@467 548 | Nullable String => e
adamc@467 549 | Nullable t => box [string "(",
adamc@467 550 e,
adamc@467 551 string " == NULL ? NULL : ",
adamc@743 552 p_ensql t (box [string "(*", e, string ")"]),
adamc@467 553 string ")"]
adamc@282 554
adamc@324 555 fun notLeaky env allowHeapAllocated =
adamc@324 556 let
adamc@638 557 fun nl ok (t, _) =
adamc@324 558 case t of
adamc@324 559 TFun _ => false
adamc@324 560 | TRecord n =>
adamc@324 561 let
adamc@324 562 val xts = E.lookupStruct env n
adamc@324 563 in
adamc@638 564 List.all (fn (_, t) => nl ok t) xts
adamc@324 565 end
adamc@638 566 | TDatatype (dk, n, ref cons) =>
adamc@638 567 IS.member (ok, n)
adamc@638 568 orelse
adamc@638 569 ((allowHeapAllocated orelse dk = Enum)
adamc@638 570 andalso
adamc@638 571 let
adamc@638 572 val ok' = IS.add (ok, n)
adamc@638 573 in
adamc@638 574 List.all (fn (_, _, to) => case to of
adamc@638 575 NONE => true
adamc@638 576 | SOME t => nl ok' t) cons
adamc@638 577 end)
adamc@324 578 | TFfi ("Basis", "string") => false
adamc@742 579 | TFfi ("Basis", "blob") => allowHeapAllocated
adamc@324 580 | TFfi _ => true
adamc@638 581 | TOption t => allowHeapAllocated andalso nl ok t
adamc@757 582 | TList (t, _) => allowHeapAllocated andalso nl ok t
adamc@324 583 in
adamc@638 584 nl IS.empty
adamc@324 585 end
adamc@324 586
adamc@463 587 fun capitalize s =
adamc@463 588 if s = "" then
adamc@463 589 ""
adamc@463 590 else
adamc@463 591 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 592
adamc@463 593 fun unurlify env (t, loc) =
adamc@463 594 let
adamc@463 595 fun unurlify' rf t =
adamc@463 596 case t of
adamc@463 597 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 598 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 599
adamc@463 600 | TRecord 0 => string "uw_unit_v"
adamc@463 601 | TRecord i =>
adamc@463 602 let
adamc@463 603 val xts = E.lookupStruct env i
adamc@463 604 in
adamc@463 605 box [string "({",
adamc@463 606 newline,
adamc@463 607 box (map (fn (x, t) =>
adamc@463 608 box [p_typ env t,
adamc@463 609 space,
adamc@463 610 string "uwr_",
adamc@463 611 string x,
adamc@463 612 space,
adamc@463 613 string "=",
adamc@463 614 space,
adamc@463 615 unurlify' rf (#1 t),
adamc@463 616 string ";",
adamc@463 617 newline]) xts),
adamc@463 618 string "struct",
adamc@463 619 space,
adamc@463 620 string "__uws_",
adamc@463 621 string (Int.toString i),
adamc@463 622 space,
adamc@463 623 string "tmp",
adamc@463 624 space,
adamc@463 625 string "=",
adamc@463 626 space,
adamc@463 627 string "{",
adamc@463 628 space,
adamc@463 629 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 630 string x]) xts,
adamc@463 631 space,
adamc@463 632 string "};",
adamc@463 633 newline,
adamc@463 634 string "tmp;",
adamc@463 635 newline,
adamc@463 636 string "})"]
adamc@463 637 end
adamc@463 638
adamc@463 639 | TDatatype (Enum, i, _) =>
adamc@463 640 let
adamc@463 641 val (x, xncs) = E.lookupDatatype env i
adamc@463 642
adamc@463 643 fun doEm xncs =
adamc@463 644 case xncs of
adamc@463 645 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 646 ^ x ^ "\"), (enum __uwe_"
adamc@463 647 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 648 | (x', n, to) :: rest =>
adamc@463 649 box [string "((!strncmp(request, \"",
adamc@463 650 string x',
adamc@463 651 string "\", ",
adamc@463 652 string (Int.toString (size x')),
adamc@463 653 string ") && (request[",
adamc@463 654 string (Int.toString (size x')),
adamc@463 655 string "] == 0 || request[",
adamc@463 656 string (Int.toString (size x')),
adamc@463 657 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 658 space,
adamc@463 659 string ":",
adamc@463 660 space,
adamc@463 661 doEm rest,
adamc@463 662 string ")"]
adamc@463 663 in
adamc@463 664 doEm xncs
adamc@463 665 end
adamc@463 666
adamc@463 667 | TDatatype (Option, i, xncs) =>
adamc@463 668 if IS.member (rf, i) then
adamc@463 669 box [string "unurlify_",
adamc@463 670 string (Int.toString i),
adamc@463 671 string "()"]
adamc@463 672 else
adamc@463 673 let
adamc@463 674 val (x, _) = E.lookupDatatype env i
adamc@463 675
adamc@463 676 val (no_arg, has_arg, t) =
adamc@463 677 case !xncs of
adamc@463 678 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 679 (no_arg, has_arg, t)
adamc@463 680 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 681 (no_arg, has_arg, t)
adamc@463 682 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 683
adamc@463 684 val rf = IS.add (rf, i)
adamc@463 685 in
adamc@463 686 box [string "({",
adamc@463 687 space,
adamc@463 688 p_typ env t,
adamc@463 689 space,
adamc@463 690 string "*unurlify_",
adamc@463 691 string (Int.toString i),
adamc@463 692 string "(void) {",
adamc@463 693 newline,
adamc@463 694 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 695 newline,
adamc@463 696 string "((!strncmp(request, \"",
adamc@463 697 string no_arg,
adamc@463 698 string "\", ",
adamc@463 699 string (Int.toString (size no_arg)),
adamc@463 700 string ") && (request[",
adamc@463 701 string (Int.toString (size no_arg)),
adamc@463 702 string "] == 0 || request[",
adamc@463 703 string (Int.toString (size no_arg)),
adamc@463 704 string "] == '/')) ? (request",
adamc@463 705 space,
adamc@463 706 string "+=",
adamc@463 707 space,
adamc@463 708 string (Int.toString (size no_arg)),
adamc@463 709 string ", NULL) : ((!strncmp(request, \"",
adamc@463 710 string has_arg,
adamc@463 711 string "\", ",
adamc@463 712 string (Int.toString (size has_arg)),
adamc@463 713 string ") && (request[",
adamc@463 714 string (Int.toString (size has_arg)),
adamc@463 715 string "] == 0 || request[",
adamc@463 716 string (Int.toString (size has_arg)),
adamc@463 717 string "] == '/')) ? (request",
adamc@463 718 space,
adamc@463 719 string "+=",
adamc@463 720 space,
adamc@463 721 string (Int.toString (size has_arg)),
adamc@463 722 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 723 newline,
adamc@463 724
adamc@463 725 if isUnboxable t then
adamc@463 726 unurlify' rf (#1 t)
adamc@463 727 else
adamc@463 728 box [string "({",
adamc@463 729 newline,
adamc@463 730 p_typ env t,
adamc@463 731 space,
adamc@463 732 string "*tmp",
adamc@463 733 space,
adamc@463 734 string "=",
adamc@463 735 space,
adamc@463 736 string "uw_malloc(ctx, sizeof(",
adamc@463 737 p_typ env t,
adamc@463 738 string "));",
adamc@463 739 newline,
adamc@463 740 string "*tmp",
adamc@463 741 space,
adamc@463 742 string "=",
adamc@463 743 space,
adamc@463 744 unurlify' rf (#1 t),
adamc@463 745 string ";",
adamc@463 746 newline,
adamc@463 747 string "tmp;",
adamc@463 748 newline,
adamc@463 749 string "})"],
adamc@463 750 string ")",
adamc@463 751 newline,
adamc@463 752 string ":",
adamc@463 753 space,
adamc@463 754 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 755 ^ "\"), NULL))));"),
adamc@463 756 newline],
adamc@463 757 string "}",
adamc@463 758 newline,
adamc@463 759 newline,
adamc@463 760
adamc@463 761 string "unurlify_",
adamc@463 762 string (Int.toString i),
adamc@463 763 string "();",
adamc@463 764 newline,
adamc@463 765 string "})"]
adamc@463 766 end
adamc@463 767
adamc@463 768 | TDatatype (Default, i, _) =>
adamc@463 769 if IS.member (rf, i) then
adamc@463 770 box [string "unurlify_",
adamc@463 771 string (Int.toString i),
adamc@463 772 string "()"]
adamc@463 773 else
adamc@463 774 let
adamc@463 775 val (x, xncs) = E.lookupDatatype env i
adamc@463 776
adamc@463 777 val rf = IS.add (rf, i)
adamc@463 778
adamc@463 779 fun doEm xncs =
adamc@463 780 case xncs of
adamc@463 781 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 782 ^ x ^ "\"), NULL)")
adamc@463 783 | (x', n, to) :: rest =>
adamc@463 784 box [string "((!strncmp(request, \"",
adamc@463 785 string x',
adamc@463 786 string "\", ",
adamc@463 787 string (Int.toString (size x')),
adamc@463 788 string ") && (request[",
adamc@463 789 string (Int.toString (size x')),
adamc@463 790 string "] == 0 || request[",
adamc@463 791 string (Int.toString (size x')),
adamc@463 792 string "] == '/')) ? ({",
adamc@463 793 newline,
adamc@463 794 string "struct",
adamc@463 795 space,
adamc@463 796 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 797 space,
adamc@463 798 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 799 string x,
adamc@463 800 string "_",
adamc@463 801 string (Int.toString i),
adamc@463 802 string "));",
adamc@463 803 newline,
adamc@463 804 string "tmp->tag",
adamc@463 805 space,
adamc@463 806 string "=",
adamc@463 807 space,
adamc@463 808 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 809 string ";",
adamc@463 810 newline,
adamc@463 811 string "request",
adamc@463 812 space,
adamc@463 813 string "+=",
adamc@463 814 space,
adamc@463 815 string (Int.toString (size x')),
adamc@463 816 string ";",
adamc@463 817 newline,
adamc@463 818 string "if (request[0] == '/') ++request;",
adamc@463 819 newline,
adamc@463 820 case to of
adamc@463 821 NONE => box []
adamc@463 822 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 823 p_ident x',
adamc@463 824 space,
adamc@463 825 string "=",
adamc@463 826 space,
adamc@463 827 unurlify' rf t,
adamc@463 828 string ";",
adamc@463 829 newline],
adamc@463 830 string "tmp;",
adamc@463 831 newline,
adamc@463 832 string "})",
adamc@463 833 space,
adamc@463 834 string ":",
adamc@463 835 space,
adamc@463 836 doEm rest,
adamc@463 837 string ")"]
adamc@463 838 in
adamc@463 839 box [string "({",
adamc@463 840 space,
adamc@463 841 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 842 space,
adamc@463 843 string "unurlify_",
adamc@463 844 string (Int.toString i),
adamc@463 845 string "(void) {",
adamc@463 846 newline,
adamc@463 847 box [string "return",
adamc@463 848 space,
adamc@463 849 doEm xncs,
adamc@463 850 string ";",
adamc@463 851 newline],
adamc@463 852 string "}",
adamc@463 853 newline,
adamc@463 854 newline,
adamc@463 855
adamc@463 856 string "unurlify_",
adamc@463 857 string (Int.toString i),
adamc@463 858 string "();",
adamc@463 859 newline,
adamc@463 860 string "})"]
adamc@463 861 end
adamc@463 862
adamc@758 863 | TList (t', i) =>
adamc@758 864 if IS.member (rf, i) then
adamc@758 865 box [string "unurlify_list_",
adamc@758 866 string (Int.toString i),
adamc@758 867 string "()"]
adamc@758 868 else
adamc@758 869 let
adamc@758 870 val rf = IS.add (rf, i)
adamc@758 871 in
adamc@758 872 box [string "({",
adamc@758 873 space,
adamc@758 874 p_typ env (t, loc),
adamc@758 875 space,
adamc@758 876 string "unurlify_list_",
adamc@758 877 string (Int.toString i),
adamc@758 878 string "(void) {",
adamc@758 879 newline,
adamc@758 880 box [string "return (request[0] == '/' ? ++request : request,",
adamc@758 881 newline,
adamc@758 882 string "((!strncmp(request, \"Nil\", 3) && (request[3] == 0 ",
adamc@758 883 string "|| request[3] == '/')) ? (request",
adamc@758 884 space,
adamc@758 885 string "+=",
adamc@758 886 space,
adamc@758 887 string "3, NULL) : ((!strncmp(request, \"Cons\", 4) && (request[4] == 0 ",
adamc@758 888 string "|| request[4] == '/')) ? (request",
adamc@758 889 space,
adamc@758 890 string "+=",
adamc@758 891 space,
adamc@758 892 string "4, (request[0] == '/' ? ++request : NULL), ",
adamc@758 893 newline,
adamc@758 894
adamc@758 895 string "({",
adamc@758 896 newline,
adamc@758 897 p_typ env (t, loc),
adamc@758 898 space,
adamc@758 899 string "tmp",
adamc@758 900 space,
adamc@758 901 string "=",
adamc@758 902 space,
adamc@758 903 string "uw_malloc(ctx, sizeof(struct __uws_",
adamc@758 904 string (Int.toString i),
adamc@758 905 string "));",
adamc@758 906 newline,
adamc@758 907 string "*tmp",
adamc@758 908 space,
adamc@758 909 string "=",
adamc@758 910 space,
adamc@758 911 unurlify' rf (TRecord i),
adamc@758 912 string ";",
adamc@758 913 newline,
adamc@758 914 string "tmp;",
adamc@758 915 newline,
adamc@758 916 string "})",
adamc@758 917 string ")",
adamc@758 918 newline,
adamc@758 919 string ":",
adamc@758 920 space,
adamc@758 921 string ("(uw_error(ctx, FATAL, \"Error unurlifying list\"), NULL))));"),
adamc@758 922 newline],
adamc@758 923 string "}",
adamc@758 924 newline,
adamc@758 925 newline,
adamc@758 926
adamc@758 927 string "unurlify_list_",
adamc@758 928 string (Int.toString i),
adamc@758 929 string "();",
adamc@758 930 newline,
adamc@758 931 string "})"]
adamc@758 932 end
adamc@758 933
adamc@471 934 | TOption t =>
adamc@471 935 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 936 string "((!strncmp(request, \"None\", 4) ",
adamc@471 937 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 938 string "? (request += 4, NULL) ",
adamc@471 939 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 940 string "&& request[4] == '/') ",
adamc@471 941 string "? (request += 5, ",
adamc@471 942 if isUnboxable t then
adamc@471 943 unurlify' rf (#1 t)
adamc@471 944 else
adamc@471 945 box [string "({",
adamc@471 946 newline,
adamc@471 947 p_typ env t,
adamc@471 948 space,
adamc@471 949 string "*tmp",
adamc@471 950 space,
adamc@471 951 string "=",
adamc@471 952 space,
adamc@471 953 string "uw_malloc(ctx, sizeof(",
adamc@471 954 p_typ env t,
adamc@471 955 string "));",
adamc@471 956 newline,
adamc@471 957 string "*tmp",
adamc@471 958 space,
adamc@471 959 string "=",
adamc@471 960 space,
adamc@471 961 unurlify' rf (#1 t),
adamc@471 962 string ";",
adamc@471 963 newline,
adamc@471 964 string "tmp;",
adamc@471 965 newline,
adamc@471 966 string "})"],
adamc@471 967 string ") :",
adamc@471 968 space,
adamc@471 969 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 970
adamc@463 971 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 972 space)
adamc@463 973 in
adamc@463 974 unurlify' IS.empty t
adamc@463 975 end
adamc@463 976
adamc@610 977 fun urlify env t =
adamc@610 978 let
adamc@610 979 fun urlify' rf level (t as (_, loc)) =
adamc@610 980 case #1 t of
adamc@610 981 TFfi ("Basis", "unit") => box []
adamc@610 982 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 983 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 984 newline]
adamc@610 985
adamc@610 986 | TRecord 0 => box []
adamc@610 987 | TRecord i =>
adamc@610 988 let
adamc@611 989 fun empty (t, _) =
adamc@611 990 case t of
adamc@611 991 TFfi ("Basis", "unit") => true
adamc@611 992 | TRecord 0 => true
adamc@611 993 | TRecord j =>
adamc@611 994 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 995 | _ => false
adamc@611 996
adamc@610 997 val xts = E.lookupStruct env i
adamc@611 998
adamc@613 999 val (blocks, _) = foldl
adamc@613 1000 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 1001 let
adamc@613 1002 val thisEmpty = empty t
adamc@613 1003 in
adamc@613 1004 if thisEmpty then
adamc@613 1005 (blocks, printingSinceLastSlash)
adamc@613 1006 else
adamc@613 1007 (box [string "{",
adamc@613 1008 newline,
adamc@613 1009 p_typ env t,
adamc@613 1010 space,
adamc@613 1011 string ("it" ^ Int.toString (level + 1)),
adamc@613 1012 space,
adamc@613 1013 string "=",
adamc@613 1014 space,
adamc@613 1015 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 1016 newline,
adamc@613 1017 box (if printingSinceLastSlash then
adamc@613 1018 [string "uw_write(ctx, \"/\");",
adamc@613 1019 newline]
adamc@613 1020 else
adamc@613 1021 []),
adamc@613 1022 urlify' rf (level + 1) t,
adamc@613 1023 string "}",
adamc@613 1024 newline] :: blocks,
adamc@613 1025 true)
adamc@613 1026 end)
adamc@613 1027 ([], false) xts
adamc@610 1028 in
adamc@613 1029 box (rev blocks)
adamc@610 1030 end
adamc@610 1031
adamc@638 1032 | TDatatype (Enum, i, _) =>
adamc@638 1033 let
adamc@610 1034 val (x, xncs) = E.lookupDatatype env i
adamc@610 1035
adamc@610 1036 fun doEm xncs =
adamc@610 1037 case xncs of
adamc@638 1038 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 1039 ^ x ^ "\");"),
adamc@638 1040 newline]
adamc@610 1041 | (x', n, to) :: rest =>
adamc@638 1042 box [string ("if (it" ^ Int.toString level
adamc@638 1043 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 1044 newline,
adamc@638 1045 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 1046 newline],
adamc@638 1047 string "} else {",
adamc@638 1048 newline,
adamc@638 1049 box [doEm rest,
adamc@638 1050 newline],
adamc@638 1051 string "}"]
adamc@610 1052 in
adamc@610 1053 doEm xncs
adamc@638 1054 end
adamc@610 1055
adamc@639 1056 | TDatatype (Option, i, xncs) =>
adamc@639 1057 if IS.member (rf, i) then
adamc@639 1058 box [string "urlify_",
adamc@610 1059 string (Int.toString i),
adamc@639 1060 string "(it",
adamc@639 1061 string (Int.toString level),
adamc@639 1062 string ");",
adamc@639 1063 newline]
adamc@610 1064 else
adamc@610 1065 let
adamc@610 1066 val (x, _) = E.lookupDatatype env i
adamc@610 1067
adamc@610 1068 val (no_arg, has_arg, t) =
adamc@610 1069 case !xncs of
adamc@610 1070 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 1071 (no_arg, has_arg, t)
adamc@610 1072 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 1073 (no_arg, has_arg, t)
adamc@639 1074 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 1075
adamc@610 1076 val rf = IS.add (rf, i)
adamc@610 1077 in
adamc@610 1078 box [string "({",
adamc@610 1079 space,
adamc@639 1080 string "void",
adamc@639 1081 space,
adamc@639 1082 string "urlify_",
adamc@639 1083 string (Int.toString i),
adamc@639 1084 string "(",
adamc@610 1085 p_typ env t,
adamc@610 1086 space,
adamc@639 1087 if isUnboxable t then
adamc@639 1088 box []
adamc@639 1089 else
adamc@639 1090 string "*",
adamc@639 1091 string "it0) {",
adamc@610 1092 newline,
adamc@639 1093 box [string "if (it0) {",
adamc@639 1094 if isUnboxable t then
adamc@639 1095 urlify' rf 0 t
adamc@610 1096 else
adamc@639 1097 box [p_typ env t,
adamc@610 1098 space,
adamc@639 1099 string "it1",
adamc@610 1100 space,
adamc@610 1101 string "=",
adamc@610 1102 space,
adamc@639 1103 string "*it0;",
adamc@610 1104 newline,
adamc@639 1105 string "uw_write(ctx, \"",
adamc@639 1106 string has_arg,
adamc@639 1107 string "/\");",
adamc@639 1108 newline,
adamc@639 1109 urlify' rf 1 t,
adamc@610 1110 string ";",
adamc@639 1111 newline],
adamc@639 1112 string "} else {",
adamc@639 1113 box [string "uw_write(ctx, \"",
adamc@639 1114 string no_arg,
adamc@639 1115 string "\");",
adamc@639 1116 newline],
adamc@639 1117 string "}",
adamc@610 1118 newline],
adamc@610 1119 string "}",
adamc@610 1120 newline,
adamc@610 1121 newline,
adamc@610 1122
adamc@639 1123 string "urlify_",
adamc@610 1124 string (Int.toString i),
adamc@639 1125 string "(it",
adamc@639 1126 string (Int.toString level),
adamc@639 1127 string ");",
adamc@610 1128 newline,
adamc@639 1129 string "});",
adamc@639 1130 newline]
adamc@639 1131 end
adamc@610 1132
adamc@640 1133 | TDatatype (Default, i, _) =>
adamc@640 1134 if IS.member (rf, i) then
adamc@640 1135 box [string "urlify_",
adamc@610 1136 string (Int.toString i),
adamc@640 1137 string "(it",
adamc@640 1138 string (Int.toString level),
adamc@640 1139 string ");",
adamc@640 1140 newline]
adamc@610 1141 else
adamc@610 1142 let
adamc@610 1143 val (x, xncs) = E.lookupDatatype env i
adamc@610 1144
adamc@610 1145 val rf = IS.add (rf, i)
adamc@610 1146
adamc@610 1147 fun doEm xncs =
adamc@610 1148 case xncs of
adamc@640 1149 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1150 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1151 newline]
adamc@610 1152 | (x', n, to) :: rest =>
adamc@640 1153 box [string "if",
adamc@610 1154 space,
adamc@640 1155 string "(it0->tag==__uwc_",
adamc@640 1156 string (ident x'),
adamc@610 1157 string "_",
adamc@640 1158 string (Int.toString n),
adamc@640 1159 string ") {",
adamc@610 1160 newline,
adamc@610 1161 case to of
adamc@640 1162 NONE => box [string "uw_write(ctx, \"",
adamc@640 1163 string x',
adamc@640 1164 string "\");",
adamc@640 1165 newline]
adamc@640 1166 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1167 string x',
adamc@640 1168 string "/\");",
adamc@640 1169 newline,
adamc@640 1170 p_typ env t,
adamc@640 1171 space,
adamc@640 1172 string "it1",
adamc@640 1173 space,
adamc@640 1174 string "=",
adamc@640 1175 space,
adamc@640 1176 string "it0->data.uw_",
adamc@640 1177 string x',
adamc@640 1178 string ";",
adamc@640 1179 newline,
adamc@640 1180 urlify' rf 1 t,
adamc@640 1181 newline],
adamc@640 1182 string "} else {",
adamc@610 1183 newline,
adamc@640 1184 box [doEm rest,
adamc@640 1185 newline],
adamc@640 1186 string "}",
adamc@640 1187 newline]
adamc@610 1188 in
adamc@610 1189 box [string "({",
adamc@610 1190 space,
adamc@640 1191 string "void",
adamc@610 1192 space,
adamc@640 1193 string "urlify_",
adamc@610 1194 string (Int.toString i),
adamc@640 1195 string "(",
adamc@640 1196 p_typ env t,
adamc@640 1197 space,
adamc@640 1198 string "it0) {",
adamc@610 1199 newline,
adamc@640 1200 box [doEm xncs,
adamc@610 1201 newline],
adamc@640 1202 newline,
adamc@610 1203 string "}",
adamc@610 1204 newline,
adamc@640 1205
adamc@640 1206 string "urlify_",
adamc@640 1207 string (Int.toString i),
adamc@640 1208 string "(it",
adamc@640 1209 string (Int.toString level),
adamc@640 1210 string ");",
adamc@610 1211 newline,
adamc@640 1212 string "});",
adamc@640 1213 newline]
adamc@640 1214 end
adamc@610 1215
adamc@641 1216 | TOption t =>
adamc@641 1217 box [string "if (it",
adamc@641 1218 string (Int.toString level),
adamc@641 1219 string ") {",
adamc@641 1220 if isUnboxable t then
adamc@641 1221 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1222 newline,
adamc@641 1223 urlify' rf level t]
adamc@610 1224 else
adamc@641 1225 box [p_typ env t,
adamc@610 1226 space,
adamc@641 1227 string "it",
adamc@641 1228 string (Int.toString (level + 1)),
adamc@610 1229 space,
adamc@610 1230 string "=",
adamc@610 1231 space,
adamc@641 1232 string "*it",
adamc@641 1233 string (Int.toString level),
adamc@610 1234 string ";",
adamc@610 1235 newline,
adamc@641 1236 string "uw_write(ctx, \"Some/\");",
adamc@610 1237 newline,
adamc@641 1238 urlify' rf (level + 1) t,
adamc@641 1239 string ";",
adamc@641 1240 newline],
adamc@641 1241 string "} else {",
adamc@641 1242 box [string "uw_write(ctx, \"None\");",
adamc@641 1243 newline],
adamc@641 1244 string "}",
adamc@641 1245 newline]
adamc@610 1246
adamc@610 1247 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1248 space)
adamc@610 1249 in
adamc@610 1250 urlify' IS.empty 0 t
adamc@610 1251 end
adamc@610 1252
adamc@182 1253 fun p_exp' par env (e, loc) =
adamc@29 1254 case e of
adamc@276 1255 EPrim p => Prim.p_t_GCC p
adamc@29 1256 | ERel n => p_rel env n
adamc@109 1257 | ENamed n => p_enamed env n
adamc@188 1258 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1259 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1260 | ECon (Option, pc, SOME e) =>
adamc@198 1261 let
adamc@198 1262 val to = case pc of
adamc@198 1263 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1264 | PConFfi {arg, ...} => arg
adamc@198 1265
adamc@198 1266 val t = case to of
adamc@198 1267 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1268 | SOME t => t
adamc@198 1269 in
adamc@463 1270 if isUnboxable t then
adamc@463 1271 p_exp' par env e
adamc@463 1272 else
adamc@463 1273 box [string "({",
adamc@463 1274 newline,
adamc@463 1275 p_typ env t,
adamc@463 1276 space,
adamc@463 1277 string "*tmp",
adamc@463 1278 space,
adamc@463 1279 string "=",
adamc@463 1280 space,
adamc@463 1281 string "uw_malloc(ctx, sizeof(",
adamc@463 1282 p_typ env t,
adamc@463 1283 string "));",
adamc@463 1284 newline,
adamc@463 1285 string "*tmp",
adamc@463 1286 space,
adamc@463 1287 string "=",
adamc@463 1288 p_exp' par env e,
adamc@463 1289 string ";",
adamc@463 1290 newline,
adamc@463 1291 string "tmp;",
adamc@463 1292 newline,
adamc@463 1293 string "})"]
adamc@198 1294 end
adamc@188 1295 | ECon (Default, pc, eo) =>
adamc@181 1296 let
adamc@196 1297 val (xd, xc, xn) = patConInfo env pc
adamc@181 1298 in
adamc@182 1299 box [string "({",
adamc@181 1300 newline,
adamc@181 1301 string "struct",
adamc@181 1302 space,
adamc@185 1303 string xd,
adamc@181 1304 space,
adamc@181 1305 string "*tmp",
adamc@181 1306 space,
adamc@181 1307 string "=",
adamc@181 1308 space,
adamc@311 1309 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1310 string xd,
adamc@181 1311 string "));",
adamc@181 1312 newline,
adamc@181 1313 string "tmp->tag",
adamc@181 1314 space,
adamc@181 1315 string "=",
adamc@181 1316 space,
adamc@185 1317 string xc,
adamc@181 1318 string ";",
adamc@181 1319 newline,
adamc@181 1320 case eo of
adamc@181 1321 NONE => box []
adamc@185 1322 | SOME e => box [string "tmp->data.",
adamc@196 1323 string xn,
adamc@181 1324 space,
adamc@181 1325 string "=",
adamc@181 1326 space,
adamc@181 1327 p_exp env e,
adamc@181 1328 string ";",
adamc@181 1329 newline],
adamc@181 1330 string "tmp;",
adamc@181 1331 newline,
adamc@181 1332 string "})"]
adamc@181 1333 end
adamc@297 1334 | ENone _ => string "NULL"
adamc@290 1335 | ESome (t, e) =>
adamc@463 1336 if isUnboxable t then
adamc@463 1337 p_exp' par env e
adamc@463 1338 else
adamc@463 1339 box [string "({",
adamc@463 1340 newline,
adamc@463 1341 p_typ env t,
adamc@463 1342 space,
adamc@463 1343 string "*tmp",
adamc@463 1344 space,
adamc@463 1345 string "=",
adamc@463 1346 space,
adamc@463 1347 string "uw_malloc(ctx, sizeof(",
adamc@463 1348 p_typ env t,
adamc@463 1349 string "));",
adamc@463 1350 newline,
adamc@463 1351 string "*tmp",
adamc@463 1352 space,
adamc@463 1353 string "=",
adamc@463 1354 p_exp' par env e,
adamc@463 1355 string ";",
adamc@463 1356 newline,
adamc@463 1357 string "tmp;",
adamc@463 1358 newline,
adamc@463 1359 string "})"]
adamc@109 1360
adamc@316 1361 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1362 | EError (e, t) =>
adamc@283 1363 box [string "({",
adamc@283 1364 newline,
adamc@283 1365 p_typ env t,
adamc@283 1366 space,
adamc@283 1367 string "tmp;",
adamc@283 1368 newline,
adamc@311 1369 string "uw_error(ctx, FATAL, \"",
adamc@292 1370 string (ErrorMsg.spanToString loc),
adamc@292 1371 string ": %s\", ",
adamc@283 1372 p_exp env e,
adamc@283 1373 string ");",
adamc@283 1374 newline,
adamc@283 1375 string "tmp;",
adamc@283 1376 newline,
adamc@283 1377 string "})"]
adamc@741 1378 | EReturnBlob {blob, mimeType, t} =>
adamc@741 1379 box [string "({",
adamc@741 1380 newline,
adamc@741 1381 p_typ env t,
adamc@741 1382 space,
adamc@741 1383 string "tmp;",
adamc@741 1384 newline,
adamc@741 1385 string "uw_return_blob(ctx, ",
adamc@741 1386 p_exp env blob,
adamc@741 1387 string ", ",
adamc@741 1388 p_exp env mimeType,
adamc@741 1389 string ");",
adamc@741 1390 newline,
adamc@741 1391 string "tmp;",
adamc@741 1392 newline,
adamc@741 1393 string "})"]
adamc@476 1394 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1395 p_exp env (EError (e, ran), loc)
adamc@741 1396 | EApp ((EReturnBlob {blob, mimeType, t = (TFun (_, ran), _)}, loc), _) =>
adamc@741 1397 p_exp env (EReturnBlob {blob = blob, mimeType = mimeType, t = ran}, loc)
adamc@476 1398
adamc@765 1399 | EFfiApp (m, x, []) => box [string "uw_",
adamc@765 1400 p_ident m,
adamc@765 1401 string "_",
adamc@765 1402 p_ident x,
adamc@765 1403 string "(ctx)"]
adamc@765 1404
adamc@311 1405 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1406 p_ident m,
adamc@53 1407 string "_",
adamc@316 1408 p_ident x,
adamc@117 1409 string "(ctx, ",
adamc@53 1410 p_list (p_exp env) es,
adamc@53 1411 string ")"]
adamc@316 1412 | EApp (f, args) =>
adamc@316 1413 parenIf par (box [p_exp' true env f,
adamc@316 1414 string "(ctx,",
adamc@316 1415 space,
adamc@316 1416 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1417 string ")"])
adamc@29 1418
adamc@387 1419 | EUnop (s, e1) =>
adamc@387 1420 parenIf par (box [string s,
adamc@387 1421 space,
adamc@387 1422 p_exp' true env e1])
adamc@387 1423
adamc@387 1424 | EBinop (s, e1, e2) =>
adamc@389 1425 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1426 box [string s,
adamc@390 1427 string "(",
adamc@389 1428 p_exp env e1,
adamc@389 1429 string ",",
adamc@389 1430 space,
adamc@389 1431 p_exp env e2,
adamc@389 1432 string ")"]
adamc@389 1433 else
adamc@389 1434 parenIf par (box [p_exp' true env e1,
adamc@389 1435 space,
adamc@389 1436 string s,
adamc@389 1437 space,
adamc@389 1438 p_exp' true env e2])
adamc@387 1439
adamc@29 1440 | ERecord (i, xes) => box [string "({",
adamc@29 1441 space,
adamc@29 1442 string "struct",
adamc@29 1443 space,
adamc@311 1444 string ("__uws_" ^ Int.toString i),
adamc@29 1445 space,
adamc@181 1446 string "tmp",
adamc@29 1447 space,
adamc@29 1448 string "=",
adamc@29 1449 space,
adamc@29 1450 string "{",
adamc@29 1451 p_list (fn (_, e) =>
adamc@29 1452 p_exp env e) xes,
adamc@29 1453 string "};",
adamc@29 1454 space,
adamc@181 1455 string "tmp;",
adamc@29 1456 space,
adamc@29 1457 string "})" ]
adamc@29 1458 | EField (e, x) =>
adamc@29 1459 box [p_exp' true env e,
adamc@311 1460 string ".__uwf_",
adamc@316 1461 p_ident x]
adamc@29 1462
adamc@182 1463 | ECase (e, pes, {disc, result}) =>
adamc@182 1464 let
adamc@182 1465 val final = newGoto ()
adamc@182 1466
adamc@182 1467 val body = foldl (fn ((p, e), body) =>
adamc@182 1468 let
adamc@182 1469 val exit = newGoto ()
adamc@182 1470 val (pr, _) = p_pat_preamble env p
adamc@182 1471 val (p, env) = p_pat (env,
adamc@182 1472 box [string "goto",
adamc@182 1473 space,
adamc@182 1474 exit,
adamc@182 1475 string ";"],
adamc@182 1476 0) p
adamc@182 1477 in
adamc@182 1478 box [body,
adamc@182 1479 box [string "{",
adamc@182 1480 newline,
adamc@182 1481 pr,
adamc@182 1482 newline,
adamc@182 1483 p,
adamc@182 1484 newline,
adamc@182 1485 string "result",
adamc@182 1486 space,
adamc@182 1487 string "=",
adamc@182 1488 space,
adamc@182 1489 p_exp env e,
adamc@182 1490 string ";",
adamc@182 1491 newline,
adamc@182 1492 string "goto",
adamc@182 1493 space,
adamc@182 1494 final,
adamc@182 1495 string ";",
adamc@182 1496 newline,
adamc@182 1497 string "}"],
adamc@182 1498 newline,
adamc@182 1499 exit,
adamc@182 1500 string ":",
adamc@182 1501 newline]
adamc@182 1502 end) (box []) pes
adamc@182 1503 in
adamc@182 1504 box [string "({",
adamc@182 1505 newline,
adamc@182 1506 p_typ env disc,
adamc@182 1507 space,
adamc@182 1508 string "disc0",
adamc@182 1509 space,
adamc@182 1510 string "=",
adamc@182 1511 space,
adamc@182 1512 p_exp env e,
adamc@182 1513 string ";",
adamc@182 1514 newline,
adamc@182 1515 p_typ env result,
adamc@182 1516 space,
adamc@182 1517 string "result;",
adamc@182 1518 newline,
adamc@182 1519 body,
adamc@311 1520 string "uw_error(ctx, FATAL, \"",
adamc@182 1521 string (ErrorMsg.spanToString loc),
adamc@182 1522 string ": pattern match failure\");",
adamc@182 1523 newline,
adamc@182 1524 final,
adamc@182 1525 string ":",
adamc@182 1526 space,
adamc@182 1527 string "result;",
adamc@182 1528 newline,
adamc@182 1529 string "})"]
adamc@182 1530 end
adamc@181 1531
adamc@311 1532 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1533 p_exp env e,
adamc@311 1534 string "), uw_unit_v)"]
adamc@102 1535
adamc@106 1536 | ESeq (e1, e2) => box [string "(",
adamc@106 1537 p_exp env e1,
adamc@106 1538 string ",",
adamc@106 1539 space,
adamc@106 1540 p_exp env e2,
adamc@106 1541 string ")"]
adamc@269 1542 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1543 newline,
adamc@269 1544 p_typ env t,
adamc@269 1545 space,
adamc@311 1546 string "__uwr_",
adamc@316 1547 p_ident x,
adamc@272 1548 string "_",
adamc@272 1549 string (Int.toString (E.countERels env)),
adamc@269 1550 space,
adamc@269 1551 string "=",
adamc@269 1552 space,
adamc@269 1553 p_exp env e1,
adamc@269 1554 string ";",
adamc@269 1555 newline,
adamc@269 1556 p_exp (E.pushERel env x t) e2,
adamc@269 1557 string ";",
adamc@269 1558 newline,
adamc@269 1559 string "})"]
adamc@269 1560
adamc@282 1561 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1562 let
adamc@316 1563 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1564 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1565 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1566 tables
adamc@638 1567
adamc@278 1568 val outputs = exps @ tables
adamc@325 1569 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1570
adamc@324 1571 val wontLeakStrings = notLeaky env true state
adamc@324 1572 val wontLeakAnything = notLeaky env false state
adamc@278 1573 in
adamc@640 1574 box [if wontLeakAnything then
adamc@704 1575 string "(uw_begin_region(ctx), "
adamc@324 1576 else
adamc@324 1577 box [],
adamc@324 1578 string "({",
adamc@278 1579 newline,
adamc@311 1580 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1581 newline,
adamc@640 1582 p_typ env state,
adamc@640 1583 space,
adamc@640 1584 string "acc",
adamc@640 1585 space,
adamc@640 1586 string "=",
adamc@640 1587 space,
adamc@640 1588 p_exp env initial,
adamc@640 1589 string ";",
adamc@640 1590 newline,
adamc@640 1591 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1592 newline,
adamc@640 1593
adamc@282 1594 case prepared of
adamc@282 1595 NONE => box [string "char *query = ",
adamc@282 1596 p_exp env query,
adamc@282 1597 string ";",
adamc@282 1598 newline]
adamc@282 1599 | SOME _ =>
adamc@282 1600 let
adamc@282 1601 val ets = getPargs query
adamc@282 1602 in
adamc@282 1603 box [p_list_sepi newline
adamc@282 1604 (fn i => fn (e, t) =>
adamc@282 1605 box [p_sql_type t,
adamc@282 1606 space,
adamc@282 1607 string "arg",
adamc@282 1608 string (Int.toString (i + 1)),
adamc@282 1609 space,
adamc@282 1610 string "=",
adamc@282 1611 space,
adamc@282 1612 p_exp env e,
adamc@282 1613 string ";"])
adamc@282 1614 ets,
adamc@282 1615 newline,
adamc@282 1616 newline,
adamc@282 1617
adamc@737 1618 string "const int paramFormats[] = { ",
adamc@737 1619 p_list_sep (box [string ",", space])
adamc@737 1620 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@737 1621 string " };",
adamc@737 1622 newline,
adamc@737 1623 string "const int paramLengths[] = { ",
adamc@737 1624 p_list_sepi (box [string ",", space])
adamc@737 1625 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@737 1626 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@737 1627 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@737 1628 | _ => string "0") ets,
adamc@737 1629 string " };",
adamc@737 1630 newline,
adamc@282 1631 string "const char *paramValues[] = { ",
adamc@282 1632 p_list_sepi (box [string ",", space])
adamc@282 1633 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1634 string (Int.toString (i + 1))]))
adamc@282 1635 ets,
adamc@282 1636 string " };",
adamc@282 1637 newline,
adamc@282 1638 newline]
adamc@282 1639 end,
adamc@640 1640
adamc@282 1641 string "PGresult *res = ",
adamc@282 1642 case prepared of
adamc@295 1643 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@858 1644 | SOME (n, s) =>
adamc@858 1645 if #persistent (Settings.currentProtocol ()) then
adamc@858 1646 box [string "PQexecPrepared(conn, \"uw",
adamc@858 1647 string (Int.toString n),
adamc@858 1648 string "\", ",
adamc@858 1649 string (Int.toString (length (getPargs query))),
adamc@858 1650 string ", paramValues, paramLengths, paramFormats, 0);"]
adamc@858 1651 else
adamc@858 1652 box [string "PQexecParams(conn, \"",
adamc@858 1653 string (String.toString s),
adamc@858 1654 string "\", ",
adamc@858 1655 string (Int.toString (length (getPargs query))),
adamc@858 1656 string ", NULL, paramValues, paramLengths, paramFormats, 0);"],
adamc@278 1657 newline,
adamc@278 1658 newline,
adamc@277 1659
adamc@311 1660 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1661 newline,
adamc@278 1662 newline,
adamc@277 1663
adamc@278 1664 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1665 newline,
adamc@278 1666 box [string "PQclear(res);",
adamc@278 1667 newline,
adamc@311 1668 string "uw_error(ctx, FATAL, \"",
adamc@278 1669 string (ErrorMsg.spanToString loc),
adamc@282 1670 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1671 case prepared of
adamc@282 1672 NONE => string "query"
adamc@282 1673 | SOME _ => p_exp env query,
adamc@282 1674 string ", PQerrorMessage(conn));",
adamc@278 1675 newline],
adamc@278 1676 string "}",
adamc@278 1677 newline,
adamc@278 1678 newline,
adamc@277 1679
adamc@747 1680 string "if (PQnfields(res) != ",
adamc@747 1681 string (Int.toString (length outputs)),
adamc@747 1682 string ") {",
adamc@747 1683 newline,
adamc@747 1684 box [string "int nf = PQnfields(res);",
adamc@747 1685 newline,
adamc@747 1686 string "PQclear(res);",
adamc@747 1687 newline,
adamc@747 1688 string "uw_error(ctx, FATAL, \"",
adamc@747 1689 string (ErrorMsg.spanToString loc),
adamc@747 1690 string ": Query returned %d columns instead of ",
adamc@747 1691 string (Int.toString (length outputs)),
adamc@747 1692 string ":\\n%s\\n%s\", ",
adamc@747 1693 case prepared of
adamc@747 1694 NONE => string "query"
adamc@747 1695 | SOME _ => p_exp env query,
adamc@747 1696 string ", nf, PQerrorMessage(conn));",
adamc@747 1697 newline],
adamc@747 1698 string "}",
adamc@747 1699 newline,
adamc@747 1700 newline,
adamc@747 1701
adamc@323 1702 string "uw_end_region(ctx);",
adamc@323 1703 newline,
adamc@425 1704 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1705 newline,
adamc@278 1706 string "n = PQntuples(res);",
adamc@278 1707 newline,
adamc@278 1708 string "for (i = 0; i < n; ++i) {",
adamc@278 1709 newline,
adamc@278 1710 box [string "struct",
adamc@278 1711 space,
adamc@311 1712 string "__uws_",
adamc@278 1713 string (Int.toString rnum),
adamc@278 1714 space,
adamc@311 1715 string "__uwr_r_",
adamc@278 1716 string (Int.toString (E.countERels env)),
adamc@278 1717 string ";",
adamc@278 1718 newline,
adamc@278 1719 p_typ env state,
adamc@278 1720 space,
adamc@311 1721 string "__uwr_acc_",
adamc@278 1722 string (Int.toString (E.countERels env + 1)),
adamc@278 1723 space,
adamc@278 1724 string "=",
adamc@278 1725 space,
adamc@278 1726 string "acc;",
adamc@278 1727 newline,
adamc@278 1728 newline,
adamc@278 1729
adamc@278 1730 p_list_sepi (box []) (fn i =>
adamc@278 1731 fn (proj, t) =>
adamc@311 1732 box [string "__uwr_r_",
adamc@278 1733 string (Int.toString (E.countERels env)),
adamc@278 1734 string ".",
adamc@278 1735 string proj,
adamc@278 1736 space,
adamc@278 1737 string "=",
adamc@278 1738 space,
adamc@467 1739 p_getcol wontLeakStrings env t i,
adamc@278 1740 string ";",
adamc@278 1741 newline]) outputs,
adamc@278 1742
adamc@278 1743 newline,
adamc@278 1744 newline,
adamc@278 1745
adamc@278 1746 string "acc",
adamc@278 1747 space,
adamc@278 1748 string "=",
adamc@278 1749 space,
adamc@278 1750 p_exp (E.pushERel
adamc@278 1751 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1752 "acc" state)
adamc@278 1753 body,
adamc@278 1754 string ";",
adamc@278 1755 newline],
adamc@278 1756 string "}",
adamc@278 1757 newline,
adamc@278 1758 newline,
adamc@425 1759 string "uw_pop_cleanup(ctx);",
adamc@278 1760 newline,
adamc@324 1761 if wontLeakAnything then
adamc@324 1762 box [string "uw_end_region(ctx);",
adamc@324 1763 newline]
adamc@324 1764 else
adamc@324 1765 box [],
adamc@278 1766 string "acc;",
adamc@278 1767 newline,
adamc@704 1768 string "})",
adamc@704 1769 if wontLeakAnything then
adamc@704 1770 string ")"
adamc@704 1771 else
adamc@704 1772 box []]
adamc@278 1773 end
adamc@106 1774
adamc@307 1775 | EDml {dml, prepared} =>
adamc@337 1776 box [string "(uw_begin_region(ctx), ({",
adamc@307 1777 newline,
adamc@311 1778 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1779 newline,
adamc@307 1780 case prepared of
adamc@307 1781 NONE => box [string "char *dml = ",
adamc@307 1782 p_exp env dml,
adamc@307 1783 string ";",
adamc@307 1784 newline]
adamc@307 1785 | SOME _ =>
adamc@307 1786 let
adamc@307 1787 val ets = getPargs dml
adamc@307 1788 in
adamc@307 1789 box [p_list_sepi newline
adamc@307 1790 (fn i => fn (e, t) =>
adamc@307 1791 box [p_sql_type t,
adamc@307 1792 space,
adamc@307 1793 string "arg",
adamc@307 1794 string (Int.toString (i + 1)),
adamc@307 1795 space,
adamc@307 1796 string "=",
adamc@307 1797 space,
adamc@307 1798 p_exp env e,
adamc@307 1799 string ";"])
adamc@307 1800 ets,
adamc@307 1801 newline,
adamc@307 1802 newline,
adamc@307 1803
adamc@738 1804 string "const int paramFormats[] = { ",
adamc@738 1805 p_list_sep (box [string ",", space])
adamc@738 1806 (fn (_, t) => if isBlob t then string "1" else string "0") ets,
adamc@738 1807 string " };",
adamc@738 1808 newline,
adamc@738 1809 string "const int paramLengths[] = { ",
adamc@738 1810 p_list_sepi (box [string ",", space])
adamc@738 1811 (fn i => fn (_, Blob) => string ("arg" ^ Int.toString (i + 1) ^ ".size")
adamc@738 1812 | (_, Nullable Blob) => string ("arg" ^ Int.toString (i + 1)
adamc@738 1813 ^ "?arg" ^ Int.toString (i + 1) ^ "->size:0")
adamc@738 1814 | _ => string "0") ets,
adamc@738 1815 string " };",
adamc@738 1816 newline,
adamc@307 1817 string "const char *paramValues[] = { ",
adamc@307 1818 p_list_sepi (box [string ",", space])
adamc@307 1819 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1820 string (Int.toString (i + 1))]))
adamc@307 1821 ets,
adamc@307 1822 string " };",
adamc@307 1823 newline,
adamc@307 1824 newline]
adamc@307 1825 end,
adamc@307 1826 newline,
adamc@307 1827 newline,
adamc@307 1828 string "PGresult *res = ",
adamc@307 1829 case prepared of
adamc@307 1830 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@858 1831 | SOME (n, s) =>
adamc@858 1832 if #persistent (Settings.currentProtocol ()) then
adamc@858 1833 box [string "PQexecPrepared(conn, \"uw",
adamc@858 1834 string (Int.toString n),
adamc@858 1835 string "\", ",
adamc@858 1836 string (Int.toString (length (getPargs dml))),
adamc@858 1837 string ", paramValues, paramLengths, paramFormats, 0);"]
adamc@858 1838 else
adamc@858 1839 box [string "PQexecParams(conn, \"",
adamc@858 1840 string (String.toString s),
adamc@858 1841 string "\", ",
adamc@858 1842 string (Int.toString (length (getPargs dml))),
adamc@858 1843 string ", NULL, paramValues, paramLengths, paramFormats, 0);"],
adamc@307 1844 newline,
adamc@307 1845 newline,
adamc@307 1846
adamc@311 1847 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1848 newline,
adamc@307 1849 newline,
adamc@307 1850
adamc@307 1851 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1852 newline,
adamc@688 1853 box [string "if (!strcmp(PQresultErrorField(res, PG_DIAG_SQLSTATE), \"40001\")) {",
adamc@688 1854 box [newline,
adamc@688 1855 string "PQclear(res);",
adamc@688 1856 newline,
adamc@688 1857 string "uw_error(ctx, UNLIMITED_RETRY, \"Serialization failure\");",
adamc@688 1858 newline],
adamc@688 1859 string "}",
adamc@688 1860 newline,
adamc@688 1861 string "PQclear(res);",
adamc@307 1862 newline,
adamc@311 1863 string "uw_error(ctx, FATAL, \"",
adamc@307 1864 string (ErrorMsg.spanToString loc),
adamc@307 1865 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1866 case prepared of
adamc@307 1867 NONE => string "dml"
adamc@307 1868 | SOME _ => p_exp env dml,
adamc@307 1869 string ", PQerrorMessage(conn));",
adamc@307 1870 newline],
adamc@307 1871 string "}",
adamc@307 1872 newline,
adamc@307 1873 newline,
adamc@307 1874
adamc@307 1875 string "PQclear(res);",
adamc@307 1876 newline,
adamc@337 1877 string "uw_end_region(ctx);",
adamc@337 1878 newline,
adamc@311 1879 string "uw_unit_v;",
adamc@307 1880 newline,
adamc@337 1881 string "}))"]
adamc@307 1882
adamc@338 1883 | ENextval {seq, prepared} =>
adamc@338 1884 let
adamc@486 1885 val query = case seq of
adamc@486 1886 (EPrim (Prim.String s), loc) =>
adamc@486 1887 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1888 | _ =>
adamc@486 1889 let
adamc@486 1890 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1891 in
adamc@486 1892 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1893 end
adamc@338 1894 in
adamc@338 1895 box [string "(uw_begin_region(ctx), ",
adamc@338 1896 string "({",
adamc@338 1897 newline,
adamc@338 1898 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1899 newline,
adamc@338 1900 case prepared of
adamc@338 1901 NONE => box [string "char *query = ",
adamc@338 1902 p_exp env query,
adamc@338 1903 string ";",
adamc@338 1904 newline]
adamc@338 1905 | SOME _ =>
adamc@338 1906 box [],
adamc@338 1907 newline,
adamc@338 1908 string "PGresult *res = ",
adamc@338 1909 case prepared of
adamc@338 1910 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@858 1911 | SOME (n, s) =>
adamc@858 1912 if #persistent (Settings.currentProtocol ()) then
adamc@858 1913 box [string "PQexecPrepared(conn, \"uw",
adamc@858 1914 string (Int.toString n),
adamc@858 1915 string "\", 0, NULL, NULL, NULL, 0);"]
adamc@858 1916 else
adamc@858 1917 box [string "PQexecParams(conn, \"uw",
adamc@858 1918 string (Int.toString n),
adamc@858 1919 string "\", 0, NULL, NULL, NULL, NULL, 0);"],
adamc@338 1920 newline,
adamc@338 1921 string "uw_Basis_int n;",
adamc@338 1922 newline,
adamc@338 1923 newline,
adamc@338 1924
adamc@338 1925 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1926 newline,
adamc@338 1927 newline,
adamc@338 1928
adamc@338 1929 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1930 newline,
adamc@338 1931 box [string "PQclear(res);",
adamc@338 1932 newline,
adamc@338 1933 string "uw_error(ctx, FATAL, \"",
adamc@338 1934 string (ErrorMsg.spanToString loc),
adamc@338 1935 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1936 case prepared of
adamc@338 1937 NONE => string "query"
adamc@338 1938 | SOME _ => p_exp env query,
adamc@338 1939 string ", PQerrorMessage(conn));",
adamc@338 1940 newline],
adamc@338 1941 string "}",
adamc@338 1942 newline,
adamc@338 1943 newline,
adamc@338 1944
adamc@338 1945 string "uw_end_region(ctx);",
adamc@338 1946 newline,
adamc@338 1947 string "n = PQntuples(res);",
adamc@338 1948 newline,
adamc@338 1949 string "if (n != 1) {",
adamc@338 1950 newline,
adamc@338 1951 box [string "PQclear(res);",
adamc@338 1952 newline,
adamc@338 1953 string "uw_error(ctx, FATAL, \"",
adamc@338 1954 string (ErrorMsg.spanToString loc),
adamc@338 1955 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1956 case prepared of
adamc@338 1957 NONE => string "query"
adamc@338 1958 | SOME _ => p_exp env query,
adamc@338 1959 string ", PQerrorMessage(conn));",
adamc@338 1960 newline],
adamc@338 1961 string "}",
adamc@338 1962 newline,
adamc@338 1963 newline,
adamc@338 1964
adamc@338 1965 string "n = ",
adamc@338 1966 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@743 1967 (string "PQgetvalue(res, 0, 0)")
adamc@743 1968 (box []),
adamc@338 1969 string ";",
adamc@338 1970 newline,
adamc@338 1971 string "PQclear(res);",
adamc@338 1972 newline,
adamc@338 1973 string "n;",
adamc@338 1974 newline,
adamc@338 1975 string "}))"]
adamc@338 1976 end
adamc@338 1977
adamc@463 1978 | EUnurlify (e, t) =>
adamc@463 1979 let
adamc@463 1980 fun getIt () =
adamc@463 1981 if isUnboxable t then
adamc@463 1982 unurlify env t
adamc@463 1983 else
adamc@463 1984 box [string "({",
adamc@463 1985 newline,
adamc@463 1986 p_typ env t,
adamc@463 1987 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1988 p_typ env t,
adamc@463 1989 string "));",
adamc@463 1990 newline,
adamc@463 1991 string "*tmp = ",
adamc@463 1992 unurlify env t,
adamc@463 1993 string ";",
adamc@463 1994 newline,
adamc@463 1995 string "tmp;",
adamc@463 1996 newline,
adamc@463 1997 string "})"]
adamc@463 1998 in
adamc@463 1999 box [string "({",
adamc@463 2000 newline,
adamc@737 2001 string "uw_Basis_string request = uw_maybe_strdup(ctx, ",
adamc@463 2002 p_exp env e,
adamc@492 2003 string ");",
adamc@463 2004 newline,
adamc@463 2005 newline,
adamc@463 2006 string "(request ? ",
adamc@463 2007 getIt (),
adamc@463 2008 string " : NULL);",
adamc@463 2009 newline,
adamc@463 2010 string "})"]
adamc@463 2011 end
adamc@463 2012
adamc@29 2013 and p_exp env = p_exp' false env
adamc@29 2014
adamc@129 2015 fun p_fun env (fx, n, args, ran, e) =
adamc@129 2016 let
adamc@129 2017 val nargs = length args
adamc@129 2018 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 2019 in
adamc@129 2020 box [string "static",
adamc@129 2021 space,
adamc@129 2022 p_typ env ran,
adamc@129 2023 space,
adamc@316 2024 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 2025 string "(",
adamc@129 2026 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 2027 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 2028 box [p_typ env dom,
adamc@129 2029 space,
adamc@129 2030 p_rel env' (nargs - i - 1)]) args),
adamc@129 2031 string ")",
adamc@129 2032 space,
adamc@129 2033 string "{",
adamc@129 2034 newline,
adamc@638 2035 box [string "return(",
adamc@638 2036 p_exp env' e,
adamc@638 2037 string ");"],
adamc@129 2038 newline,
adamc@129 2039 string "}"]
adamc@129 2040 end
adamc@129 2041
adamc@866 2042 val prepped = ref ([] : (string * int) list)
adamc@866 2043
adamc@129 2044 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 2045 case d of
adamc@29 2046 DStruct (n, xts) =>
adamc@196 2047 let
adamc@196 2048 val env = E.declBinds env dAll
adamc@196 2049 in
adamc@196 2050 box [string "struct",
adamc@196 2051 space,
adamc@311 2052 string ("__uws_" ^ Int.toString n),
adamc@196 2053 space,
adamc@196 2054 string "{",
adamc@196 2055 newline,
adamc@196 2056 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 2057 space,
adamc@311 2058 string "__uwf_",
adamc@316 2059 p_ident x,
adamc@196 2060 string ";",
adamc@196 2061 newline]) xts,
adamc@196 2062 string "};"]
adamc@196 2063 end
adamc@809 2064 | DDatatype dts =>
adamc@165 2065 let
adamc@809 2066 val dts = ListMergeSort.sort (fn ((dk1, _, _, _), (dk2, _, _, _)) =>
adamc@809 2067 dk1 = Enum andalso dk2 <> Enum) dts
adamc@809 2068
adamc@809 2069 fun p_one (Enum, x, n, xncs) =
adamc@809 2070 box [string "enum",
adamc@809 2071 space,
adamc@809 2072 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2073 space,
adamc@809 2074 string "{",
adamc@809 2075 space,
adamc@809 2076 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@809 2077 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@809 2078 space,
adamc@809 2079 string "};"]
adamc@809 2080 | p_one (Option, _, _, _) = box []
adamc@809 2081 | p_one (Default, x, n, xncs) =
adamc@809 2082 let
adamc@809 2083 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@809 2084 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@809 2085 in
adamc@809 2086 box [string "enum",
adamc@809 2087 space,
adamc@809 2088 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2089 space,
adamc@809 2090 string "{",
adamc@809 2091 space,
adamc@809 2092 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@809 2093 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n))
adamc@809 2094 xncs,
adamc@809 2095 space,
adamc@809 2096 string "};",
adamc@809 2097 newline,
adamc@809 2098 newline,
adamc@809 2099 string "struct",
adamc@809 2100 space,
adamc@809 2101 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2102 space,
adamc@809 2103 string "{",
adamc@809 2104 newline,
adamc@809 2105 string "enum",
adamc@809 2106 space,
adamc@809 2107 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2108 space,
adamc@809 2109 string "tag;",
adamc@809 2110 newline,
adamc@809 2111 box (case xncsArgs of
adamc@809 2112 [] => []
adamc@809 2113 | _ => [string "union",
adamc@809 2114 space,
adamc@809 2115 string "{",
adamc@809 2116 newline,
adamc@809 2117 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@809 2118 space,
adamc@809 2119 string ("uw_" ^ ident x),
adamc@809 2120 string ";"]) xncsArgs,
adamc@809 2121 newline,
adamc@809 2122 string "}",
adamc@809 2123 space,
adamc@809 2124 string "data;",
adamc@809 2125 newline]),
adamc@809 2126 string "};"]
adamc@809 2127 end
adamc@165 2128 in
adamc@809 2129 p_list_sep (box []) p_one dts
adamc@188 2130 end
adamc@29 2131
adamc@196 2132 | DDatatypeForward _ => box []
adamc@196 2133
adamc@29 2134 | DVal (x, n, t, e) =>
adamc@29 2135 box [p_typ env t,
adamc@29 2136 space,
adamc@316 2137 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 2138 space,
adamc@29 2139 string "=",
adamc@29 2140 space,
adamc@29 2141 p_exp env e,
adamc@29 2142 string ";"]
adamc@129 2143 | DFun vi => p_fun env vi
adamc@129 2144 | DFunRec vis =>
adamc@29 2145 let
adamc@129 2146 val env = E.declBinds env dAll
adamc@29 2147 in
adamc@129 2148 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 2149 box [string "static",
adamc@129 2150 space,
adamc@129 2151 p_typ env ran,
adamc@129 2152 space,
adamc@316 2153 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 2154 string "(uw_context,",
adamc@129 2155 space,
adamc@129 2156 p_list_sep (box [string ",", space])
adamc@129 2157 (fn (_, dom) => p_typ env dom) args,
adamc@129 2158 string ");"]) vis,
adamc@29 2159 newline,
adamc@129 2160 p_list_sep newline (p_fun env) vis,
adamc@129 2161 newline]
adamc@29 2162 end
adamc@707 2163 | DTable (x, _, pk, csts) => box [string "/* SQL table ",
adamc@707 2164 string x,
adamc@707 2165 space,
adamc@707 2166 case pk of
adamc@707 2167 "" => box []
adamc@707 2168 | _ => box [string "keys",
adamc@707 2169 space,
adamc@707 2170 string pk,
adamc@707 2171 space],
adamc@707 2172 string "constraints",
adamc@707 2173 space,
adamc@707 2174 p_list (fn (x, v) => box [string x,
adamc@707 2175 space,
adamc@707 2176 string ":",
adamc@707 2177 space,
adamc@707 2178 string v]) csts,
adamc@707 2179 space,
adamc@707 2180 string " */",
adamc@707 2181 newline]
adamc@338 2182 | DSequence x => box [string "/* SQL sequence ",
adamc@338 2183 string x,
adamc@338 2184 string " */",
adamc@338 2185 newline]
adamc@754 2186 | DView (x, _, s) => box [string "/* SQL view ",
adamc@754 2187 string x,
adamc@754 2188 space,
adamc@754 2189 string "AS",
adamc@754 2190 space,
adamc@754 2191 string s,
adamc@754 2192 space,
adamc@754 2193 string " */",
adamc@754 2194 newline]
adamc@687 2195 | DDatabase {name, expunge, initialize} =>
adamc@687 2196 box [string "static void uw_db_validate(uw_context);",
adamc@687 2197 newline,
adamc@687 2198 string "static void uw_db_prepare(uw_context);",
adamc@687 2199 newline,
adamc@687 2200 newline,
adamc@424 2201
adamc@866 2202 #init (Settings.currentDbms ()) (name, !prepped),
adamc@683 2203
adamc@687 2204 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) {",
adamc@687 2205 newline,
adamc@687 2206 box [p_enamed env expunge,
adamc@687 2207 string "(ctx, cli);",
adamc@687 2208 newline],
adamc@687 2209 string "}",
adamc@687 2210 newline,
adamc@687 2211 newline,
adamc@687 2212
adamc@687 2213 string "void uw_initializer(uw_context ctx) {",
adamc@687 2214 newline,
adamc@687 2215 box [p_enamed env initialize,
adamc@687 2216 string "(ctx, uw_unit_v);",
adamc@687 2217 newline],
adamc@687 2218 string "}",
adamc@687 2219 newline]
adamc@29 2220
adamc@282 2221 | DPreparedStatements ss =>
adamc@866 2222 (prepped := ss;
adamc@866 2223 box [])
adamc@282 2224
adamc@569 2225 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2226 string (String.toString s),
adamc@569 2227 string "\";"]
adamc@725 2228 | DCookie s => box [string "/*",
adamc@725 2229 space,
adamc@725 2230 string "cookie",
adamc@725 2231 space,
adamc@725 2232 string s,
adamc@725 2233 space,
adamc@725 2234 string "*/"]
adamc@720 2235 | DStyle s => box [string "/*",
adamc@720 2236 space,
adamc@720 2237 string "style",
adamc@720 2238 space,
adamc@720 2239 string s,
adamc@720 2240 space,
adamc@720 2241 string "*/"]
adamc@569 2242
adamc@144 2243 datatype 'a search =
adamc@144 2244 Found of 'a
adamc@144 2245 | NotFound
adamc@144 2246 | Error
adamc@120 2247
adamc@467 2248 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2249 case t of
adamc@275 2250 TFfi ("Basis", "int") => "int8"
adamc@275 2251 | TFfi ("Basis", "float") => "float8"
adamc@275 2252 | TFfi ("Basis", "string") => "text"
adamc@275 2253 | TFfi ("Basis", "bool") => "bool"
adamc@438 2254 | TFfi ("Basis", "time") => "timestamp"
adamc@737 2255 | TFfi ("Basis", "blob") => "bytea"
adamc@682 2256 | TFfi ("Basis", "channel") => "int8"
adamc@682 2257 | TFfi ("Basis", "client") => "int4"
adamc@275 2258 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2259 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2260 "ERROR")
adamc@275 2261
adamc@467 2262 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2263 case t of
adamc@467 2264 (TOption t, _) => p_sqltype'' env t
adamc@467 2265 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2266
adamc@275 2267 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2268
adamc@467 2269 fun p_sqltype_base' env t =
adamc@467 2270 case t of
adamc@467 2271 (TOption t, _) => p_sqltype'' env t
adamc@467 2272 | _ => p_sqltype'' env t
adamc@467 2273
adamc@467 2274 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2275
adamc@467 2276 fun is_not_null t =
adamc@467 2277 case t of
adamc@467 2278 (TOption _, _) => false
adamc@467 2279 | _ => true
adamc@467 2280
adamc@734 2281 fun sigName fields =
adamc@734 2282 let
adamc@734 2283 fun inFields s = List.exists (fn (s', _) => s' = s) fields
adamc@734 2284
adamc@734 2285 fun getSigName n =
adamc@734 2286 let
adamc@734 2287 val s = "Sig" ^ Int.toString n
adamc@734 2288 in
adamc@734 2289 if inFields s then
adamc@734 2290 getSigName (n + 1)
adamc@734 2291 else
adamc@734 2292 s
adamc@734 2293 end
adamc@734 2294 in
adamc@734 2295 if inFields "Sig" then
adamc@734 2296 getSigName 0
adamc@734 2297 else
adamc@734 2298 "Sig"
adamc@734 2299 end
adamc@734 2300
adamc@101 2301 fun p_file env (ds, ps) =
adamc@29 2302 let
adamc@101 2303 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2304 (p_decl env d,
adamc@638 2305 E.declBinds env d))
adamc@101 2306 env ds
adamc@144 2307
adamc@779 2308 fun flatFields always (t : typ) =
adamc@756 2309 case #1 t of
adamc@756 2310 TRecord i =>
adamc@756 2311 let
adamc@756 2312 val xts = E.lookupStruct env i
adamc@756 2313 in
adamc@779 2314 SOME ((always @ map #1 xts) :: List.concat (List.mapPartial (flatFields [] o #2) xts))
adamc@756 2315 end
adamc@759 2316 | TList (_, i) =>
adamc@759 2317 let
adamc@759 2318 val ts = E.lookupStruct env i
adamc@759 2319 in
adamc@759 2320 case ts of
adamc@779 2321 [("1", t'), ("2", _)] => flatFields [] t'
adamc@759 2322 | _ => raise Fail "CjrPrint: Bad struct for TList"
adamc@759 2323 end
adamc@756 2324 | _ => NONE
adamc@756 2325
adamc@643 2326 val fields = foldl (fn ((ek, _, _, ts, _, _), fields) =>
adamc@144 2327 case ek of
adamc@735 2328 Link => fields
adamc@735 2329 | Rpc _ => fields
adamc@735 2330 | Action eff =>
adamc@280 2331 case List.nth (ts, length ts - 2) of
adamc@756 2332 (TRecord i, loc) =>
adamc@144 2333 let
adamc@144 2334 val xts = E.lookupStruct env i
adamc@779 2335 val extra = case eff of
adamc@779 2336 ReadCookieWrite => [sigName xts]
adamc@779 2337 | _ => []
adamc@144 2338 in
adamc@779 2339 case flatFields extra (TRecord i, loc) of
adamc@756 2340 NONE => raise Fail "CjrPrint: flatFields impossible"
adamc@756 2341 | SOME fields' => List.revAppend (fields', fields)
adamc@144 2342 end
adamc@144 2343 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@756 2344 [] ps
adamc@756 2345
adamc@756 2346 val fields = foldl (fn (xts, fields) =>
adamc@756 2347 let
adamc@756 2348 val xtsSet = SS.addList (SS.empty, xts)
adamc@756 2349 in
adamc@756 2350 foldl (fn (x, fields) =>
adamc@756 2351 let
adamc@756 2352 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@756 2353 in
adamc@756 2354 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@756 2355 xtsSet'))
adamc@756 2356 end) fields xts
adamc@756 2357 end)
adamc@756 2358 SM.empty fields
adamc@144 2359
adamc@144 2360 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2361 let
adamc@144 2362 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2363 case SM.find (fnums, x') of
adamc@144 2364 NONE => unusable
adamc@144 2365 | SOME n => IS.add (unusable, n))
adamc@144 2366 IS.empty xs
adamc@144 2367
adamc@144 2368 fun findAvailable n =
adamc@144 2369 if IS.member (unusable, n) then
adamc@144 2370 findAvailable (n + 1)
adamc@144 2371 else
adamc@144 2372 n
adamc@144 2373 in
adamc@144 2374 SM.insert (fnums, x, findAvailable 0)
adamc@144 2375 end)
adamc@144 2376 SM.empty fields
adamc@144 2377
adamc@734 2378 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2379
adamc@144 2380 fun makeSwitch (fnums, i) =
adamc@144 2381 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2382 | (n, Error) => Error
adamc@144 2383 | (n, Found n') => if n = n' then
adamc@144 2384 Found n'
adamc@144 2385 else
adamc@144 2386 Error) NotFound fnums of
adamc@144 2387 NotFound => box [string "return",
adamc@144 2388 space,
adamc@144 2389 string "-1;"]
adamc@144 2390 | Found n => box [string "return",
adamc@144 2391 space,
adamc@144 2392 string (Int.toString n),
adamc@144 2393 string ";"]
adamc@144 2394 | Error =>
adamc@144 2395 let
adamc@144 2396 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2397 let
adamc@144 2398 val ch = if i < size x then
adamc@144 2399 String.sub (x, i)
adamc@144 2400 else
adamc@144 2401 chr 0
adamc@144 2402
adamc@144 2403 val fnums = case CM.find (cmap, ch) of
adamc@144 2404 NONE => SM.empty
adamc@144 2405 | SOME fnums => fnums
adamc@144 2406 val fnums = SM.insert (fnums, x, n)
adamc@144 2407 in
adamc@144 2408 CM.insert (cmap, ch, fnums)
adamc@144 2409 end)
adamc@144 2410 CM.empty fnums
adamc@144 2411
adamc@144 2412 val cmap = CM.listItemsi cmap
adamc@144 2413 in
adamc@144 2414 case cmap of
adamc@144 2415 [(_, fnums)] =>
adamc@144 2416 box [string "if",
adamc@144 2417 space,
adamc@144 2418 string "(name[",
adamc@144 2419 string (Int.toString i),
adamc@144 2420 string "]",
adamc@144 2421 space,
adamc@144 2422 string "==",
adamc@144 2423 space,
adamc@144 2424 string "0)",
adamc@144 2425 space,
adamc@144 2426 string "return",
adamc@144 2427 space,
adamc@144 2428 string "-1;",
adamc@144 2429 newline,
adamc@144 2430 makeSwitch (fnums, i+1)]
adamc@144 2431 | _ =>
adamc@144 2432 box [string "switch",
adamc@144 2433 space,
adamc@144 2434 string "(name[",
adamc@144 2435 string (Int.toString i),
adamc@144 2436 string "])",
adamc@144 2437 space,
adamc@144 2438 string "{",
adamc@144 2439 newline,
adamc@144 2440 box (map (fn (ch, fnums) =>
adamc@144 2441 box [string "case",
adamc@144 2442 space,
adamc@144 2443 if ch = chr 0 then
adamc@144 2444 string "0:"
adamc@144 2445 else
adamc@144 2446 box [string "'",
adamc@144 2447 string (Char.toString ch),
adamc@144 2448 string "':"],
adamc@144 2449 newline,
adamc@144 2450 makeSwitch (fnums, i+1),
adamc@144 2451 newline]) cmap),
adamc@144 2452 string "default:",
adamc@144 2453 newline,
adamc@144 2454 string "return",
adamc@144 2455 space,
adamc@144 2456 string "-1;",
adamc@144 2457 newline,
adamc@144 2458 string "}"]
adamc@144 2459 end
adamc@144 2460
adamc@756 2461 fun getInput (x, t) =
adamc@756 2462 let
adamc@756 2463 val n = case SM.find (fnums, x) of
adamc@759 2464 NONE => raise Fail ("CjrPrint: Can't find " ^ x ^ " in fnums")
adamc@756 2465 | SOME n => n
adamc@756 2466
adamc@756 2467 val f = case t of
adamc@756 2468 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@756 2469 | _ => ""
adamc@756 2470 in
adamc@756 2471 if isFile t then
adamc@756 2472 box [string "uw_input_",
adamc@756 2473 p_ident x,
adamc@756 2474 space,
adamc@756 2475 string "=",
adamc@756 2476 space,
adamc@756 2477 string "uw_get_file_input(ctx, ",
adamc@756 2478 string (Int.toString n),
adamc@756 2479 string ");",
adamc@756 2480 newline]
adamc@756 2481 else case #1 t of
adamc@756 2482 TRecord i =>
adamc@756 2483 let
adamc@756 2484 val xts = E.lookupStruct env i
adamc@756 2485 in
adamc@756 2486 box [string "uw_enter_subform(ctx, ",
adamc@756 2487 string (Int.toString n),
adamc@756 2488 string ");",
adamc@756 2489 newline,
adamc@756 2490 string "uw_input_",
adamc@756 2491 p_ident x,
adamc@756 2492 space,
adamc@756 2493 string "=",
adamc@756 2494 space,
adamc@756 2495 string "({",
adamc@756 2496 box [p_typ env t,
adamc@756 2497 space,
adamc@756 2498 string "result;",
adamc@756 2499 newline,
adamc@756 2500 p_list_sep (box [])
adamc@756 2501 (fn (x, t) =>
adamc@756 2502 box [p_typ env t,
adamc@756 2503 space,
adamc@756 2504 string "uw_input_",
adamc@756 2505 string x,
adamc@756 2506 string ";",
adamc@756 2507 newline])
adamc@756 2508 xts,
adamc@756 2509 newline,
adamc@756 2510 p_list_sep (box []) (fn (x, t) =>
adamc@756 2511 box [getInput (x, t),
adamc@756 2512 string "result.__uwf_",
adamc@756 2513 string x,
adamc@756 2514 space,
adamc@756 2515 string "=",
adamc@756 2516 space,
adamc@756 2517 string "uw_input_",
adamc@756 2518 string x,
adamc@756 2519 string ";",
adamc@756 2520 newline])
adamc@756 2521 xts,
adamc@756 2522 newline,
adamc@756 2523 string "result;",
adamc@756 2524 newline],
adamc@756 2525 string "});",
adamc@756 2526 newline,
adamc@756 2527 string "uw_leave_subform(ctx);"]
adamc@756 2528 end
adamc@759 2529 | TList (t', i) =>
adamc@759 2530 let
adamc@759 2531 val xts = E.lookupStruct env i
adamc@759 2532 val i' = case xts of
adamc@759 2533 [("1", (TRecord i', loc)), ("2", _)] => i'
adamc@759 2534 | _ => raise Fail "CjrPrint: Bad TList record [2]"
adamc@759 2535 val xts = E.lookupStruct env i'
adamc@759 2536 in
adamc@759 2537 box [string "{",
adamc@759 2538 newline,
adamc@759 2539 string "int status;",
adamc@759 2540 newline,
adamc@759 2541 string "uw_input_",
adamc@759 2542 p_ident x,
adamc@759 2543 space,
adamc@759 2544 string "=",
adamc@759 2545 space,
adamc@759 2546 string "NULL;",
adamc@759 2547 newline,
adamc@759 2548 string "for (status = uw_enter_subforms(ctx, ",
adamc@759 2549 string (Int.toString n),
adamc@759 2550 string "); status; status = uw_next_entry(ctx)) {",
adamc@759 2551 newline,
adamc@759 2552 box [p_typ env t,
adamc@759 2553 space,
adamc@759 2554 string "result",
adamc@759 2555 space,
adamc@759 2556 string "=",
adamc@759 2557 space,
adamc@759 2558 string "uw_malloc(ctx, sizeof(struct __uws_",
adamc@759 2559 string (Int.toString i),
adamc@759 2560 string "));",
adamc@759 2561 newline,
adamc@759 2562 box [string "{",
adamc@759 2563 p_list_sep (box [])
adamc@759 2564 (fn (x, t) =>
adamc@759 2565 box [p_typ env t,
adamc@759 2566 space,
adamc@759 2567 string "uw_input_",
adamc@759 2568 string x,
adamc@759 2569 string ";",
adamc@759 2570 newline])
adamc@759 2571 xts,
adamc@759 2572 newline,
adamc@759 2573 p_list_sep (box []) (fn (x, t) =>
adamc@759 2574 box [getInput (x, t),
adamc@759 2575 string "result->__uwf_1.__uwf_",
adamc@759 2576 string x,
adamc@759 2577 space,
adamc@759 2578 string "=",
adamc@759 2579 space,
adamc@759 2580 string "uw_input_",
adamc@759 2581 string x,
adamc@759 2582 string ";",
adamc@759 2583 newline])
adamc@759 2584 xts,
adamc@759 2585 string "}",
adamc@759 2586 newline],
adamc@759 2587 newline,
adamc@759 2588 string "result->__uwf_2 = uw_input_",
adamc@759 2589 p_ident x,
adamc@759 2590 string ";",
adamc@759 2591 newline,
adamc@759 2592 string "uw_input_",
adamc@759 2593 p_ident x,
adamc@759 2594 string " = result;",
adamc@759 2595 newline],
adamc@759 2596 string "}}",
adamc@759 2597 newline]
adamc@759 2598 end
adamc@756 2599 | _ =>
adamc@756 2600 box [string "request = uw_get_",
adamc@756 2601 string f,
adamc@756 2602 string "input(ctx, ",
adamc@756 2603 string (Int.toString n),
adamc@756 2604 string ");",
adamc@756 2605 newline,
adamc@756 2606 string "if (request == NULL)",
adamc@756 2607 newline,
adamc@756 2608 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@756 2609 string x,
adamc@756 2610 string "\");"],
adamc@756 2611 newline,
adamc@756 2612 string "uw_input_",
adamc@756 2613 p_ident x,
adamc@756 2614 space,
adamc@756 2615 string "=",
adamc@756 2616 space,
adamc@756 2617 unurlify env t,
adamc@756 2618 string ";",
adamc@756 2619 newline]
adamc@756 2620 end
adamc@756 2621
adamc@643 2622 fun p_page (ek, s, n, ts, ran, side) =
adamc@144 2623 let
adamc@734 2624 val (ts, defInputs, inputsVar, fields) =
adamc@144 2625 case ek of
adamc@734 2626 Core.Link => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@734 2627 | Core.Rpc _ => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@731 2628 | Core.Action _ =>
adamc@280 2629 case List.nth (ts, length ts - 2) of
adamc@144 2630 (TRecord i, _) =>
adamc@144 2631 let
adamc@144 2632 val xts = E.lookupStruct env i
adamc@144 2633 in
adamc@280 2634 (List.take (ts, length ts - 2),
adamc@144 2635 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2636 space,
adamc@311 2637 string "uw_input_",
adamc@316 2638 p_ident x,
adamc@144 2639 string ";",
adamc@144 2640 newline]) xts),
adamc@144 2641 newline,
adamc@756 2642 box (map getInput xts),
adamc@311 2643 string "struct __uws_",
adamc@144 2644 string (Int.toString i),
adamc@144 2645 space,
adamc@311 2646 string "uw_inputs",
adamc@144 2647 space,
adamc@144 2648 string "= {",
adamc@144 2649 newline,
adamc@311 2650 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2651 p_ident x,
adamc@144 2652 string ",",
adamc@144 2653 newline]) xts),
adamc@144 2654 string "};",
adamc@144 2655 newline],
adamc@144 2656 box [string ",",
adamc@144 2657 space,
adamc@734 2658 string "uw_inputs"],
adamc@734 2659 SOME xts)
adamc@144 2660 end
adamc@144 2661
adamc@144 2662 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@734 2663
adamc@734 2664 fun couldWrite ek =
adamc@734 2665 case ek of
adamc@734 2666 Link => false
adamc@735 2667 | Action ef => ef = ReadCookieWrite
adamc@735 2668 | Rpc ef => ef = ReadCookieWrite
adamc@863 2669
adamc@863 2670 val s =
adamc@863 2671 case Settings.getUrlPrefix () of
adamc@863 2672 "" => s
adamc@863 2673 | "/" => s
adamc@863 2674 | prefix =>
adamc@863 2675 if size s > 0 andalso String.sub (s, 0) = #"/" then
adamc@863 2676 prefix ^ String.extract (s, 1, NONE)
adamc@863 2677 else
adamc@863 2678 prefix ^ s
adamc@144 2679 in
adamc@735 2680 box [string "if (!strncmp(request, \"",
adamc@735 2681 string (String.toString s),
adamc@735 2682 string "\", ",
adamc@735 2683 string (Int.toString (size s)),
adamc@735 2684 string ") && (request[",
adamc@735 2685 string (Int.toString (size s)),
adamc@735 2686 string "] == 0 || request[",
adamc@735 2687 string (Int.toString (size s)),
adamc@735 2688 string "] == '/')) {",
adamc@735 2689 newline,
adamc@735 2690 string "request += ",
adamc@735 2691 string (Int.toString (size s)),
adamc@735 2692 string ";",
adamc@735 2693 newline,
adamc@735 2694 string "if (*request == '/') ++request;",
adamc@735 2695 newline,
adamc@735 2696 if couldWrite ek then
adamc@734 2697 box [string "{",
adamc@734 2698 newline,
adamc@734 2699 string "uw_Basis_string sig = ",
adamc@734 2700 case fields of
adamc@734 2701 NONE => string "uw_Basis_requestHeader(ctx, \"UrWeb-Sig\")"
adamc@734 2702 | SOME fields =>
adamc@734 2703 case SM.find (fnums, sigName fields) of
adamc@734 2704 NONE => raise Fail "CjrPrint: sig name wasn't assigned a number"
adamc@734 2705 | SOME inum =>
adamc@734 2706 string ("uw_get_input(ctx, " ^ Int.toString inum ^ ")"),
adamc@734 2707 string ";",
adamc@734 2708 newline,
adamc@734 2709 string "if (sig == NULL) uw_error(ctx, FATAL, \"Missing cookie signature\");",
adamc@734 2710 newline,
adamc@734 2711 string "if (strcmp(sig, uw_cookie_sig(ctx)))",
adamc@734 2712 newline,
adamc@734 2713 box [string "uw_error(ctx, FATAL, \"Wrong cookie signature\");",
adamc@734 2714 newline],
adamc@734 2715 string "}",
adamc@734 2716 newline]
adamc@734 2717 else
adamc@734 2718 box [],
adamc@609 2719 box (case ek of
adamc@731 2720 Core.Rpc _ => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@731 2721 newline]
adamc@609 2722 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2723 newline,
adamc@609 2724 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2725 newline,
adamc@804 2726 string "uw_write(ctx, begin_xhtml);",
adamc@643 2727 newline,
adamc@643 2728 string "uw_set_script_header(ctx, \"",
adamc@812 2729 let
adamc@812 2730 val scripts =
adamc@812 2731 case side of
adamc@693 2732 ServerOnly => ""
adamc@693 2733 | _ => "<script src=\\\""
adamc@764 2734 ^ OS.Path.joinDirFile {dir = Settings.getUrlPrefix (),
adamc@693 2735 file = "app.js"}
adamc@812 2736 ^ "\\\"></script>\\n"
adamc@812 2737
adamc@812 2738 val scripts = foldl (fn (x, scripts) =>
adamc@812 2739 scripts
adamc@812 2740 ^ "<script src=\\\"" ^ x ^ "\\\"></script>\\n")
adamc@812 2741 scripts (Settings.getScripts ())
adamc@812 2742 in
adamc@812 2743 string scripts
adamc@812 2744 end,
adamc@643 2745 string "\");",
adamc@693 2746 newline,
adamc@693 2747 string "uw_set_needs_push(ctx, ",
adamc@693 2748 string (case side of
adamc@693 2749 ServerAndPullAndPush => "1"
adamc@693 2750 | _ => "0"),
adamc@693 2751 string ");",
adamc@693 2752 newline,
adamc@667 2753 string "uw_set_url_prefix(ctx, \"",
adamc@764 2754 string (Settings.getUrlPrefix ()),
adamc@667 2755 string "\");",
adamc@609 2756 newline]),
adamc@736 2757 string "uw_set_needs_sig(ctx, ",
adamc@736 2758 string (if couldWrite ek then
adamc@736 2759 "1"
adamc@736 2760 else
adamc@736 2761 "0"),
adamc@736 2762 string ");",
adamc@736 2763 newline,
adamc@682 2764 string "uw_login(ctx);",
adamc@682 2765 newline,
adamc@144 2766 box [string "{",
adamc@144 2767 newline,
adamc@144 2768 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2769 space,
adamc@144 2770 string "arg",
adamc@144 2771 string (Int.toString i),
adamc@144 2772 space,
adamc@144 2773 string "=",
adamc@144 2774 space,
adamc@463 2775 unurlify env t,
adamc@144 2776 string ";",
adamc@144 2777 newline]) ts),
adamc@144 2778 defInputs,
adamc@609 2779 box (case ek of
adamc@731 2780 Core.Rpc _ => [p_typ env ran,
adamc@731 2781 space,
adamc@731 2782 string "it0",
adamc@731 2783 space,
adamc@731 2784 string "=",
adamc@731 2785 space]
adamc@609 2786 | _ => []),
adamc@144 2787 p_enamed env n,
adamc@144 2788 string "(",
adamc@144 2789 p_list_sep (box [string ",", space])
adamc@144 2790 (fn x => x)
adamc@272 2791 (string "ctx"
adamc@280 2792 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2793 inputsVar,
adamc@311 2794 string ", uw_unit_v);",
adamc@144 2795 newline,
adamc@609 2796 box (case ek of
adamc@731 2797 Core.Rpc _ => [urlify env ran]
adamc@609 2798 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2799 newline]),
adamc@144 2800 string "return;",
adamc@144 2801 newline,
adamc@144 2802 string "}",
adamc@144 2803 newline,
adamc@144 2804 string "}"]
adamc@144 2805 ]
adamc@144 2806 end
adamc@144 2807
adamc@144 2808 val pds' = map p_page ps
adamc@275 2809
adamc@707 2810 val tables = List.mapPartial (fn (DTable (s, xts, _, _), _) => SOME (s, xts)
adamc@275 2811 | _ => NONE) ds
adamc@377 2812 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2813 | _ => NONE) ds
adamc@275 2814
adamc@275 2815 val validate =
adamc@858 2816 if #persistent (Settings.currentProtocol ()) then
adamc@858 2817 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@858 2818 newline,
adamc@858 2819 string "PGconn *conn = uw_get_db(ctx);",
adamc@858 2820 newline,
adamc@858 2821 string "PGresult *res;",
adamc@858 2822 newline,
adamc@858 2823 newline,
adamc@858 2824 p_list_sep newline
adamc@858 2825 (fn (s, xts) =>
adamc@858 2826 let
adamc@858 2827 val sl = CharVector.map Char.toLower s
adamc@377 2828
adamc@858 2829 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@858 2830 ^ sl ^ "'"
adamc@275 2831
adamc@858 2832 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@858 2833 sl,
adamc@858 2834 "') AND (",
adamc@858 2835 String.concatWith " OR "
adamc@858 2836 (map (fn (x, t) =>
adamc@858 2837 String.concat ["(attname = 'uw_",
adamc@858 2838 CharVector.map
adamc@858 2839 Char.toLower (ident x),
adamc@858 2840 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@858 2841 " WHERE typname = '",
adamc@858 2842 p_sqltype_base' env t,
adamc@858 2843 "') AND attnotnull = ",
adamc@858 2844 if is_not_null t then
adamc@858 2845 "TRUE"
adamc@858 2846 else
adamc@858 2847 "FALSE",
adamc@858 2848 ")"]) xts),
adamc@858 2849 ")"]
adamc@275 2850
adamc@858 2851 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@858 2852 sl,
adamc@858 2853 "') AND attname LIKE 'uw_%'"]
adamc@858 2854 in
adamc@858 2855 box [string "res = PQexec(conn, \"",
adamc@858 2856 string q,
adamc@858 2857 string "\");",
adamc@858 2858 newline,
adamc@858 2859 newline,
adamc@858 2860 string "if (res == NULL) {",
adamc@858 2861 newline,
adamc@858 2862 box [string "PQfinish(conn);",
adamc@858 2863 newline,
adamc@858 2864 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@858 2865 newline],
adamc@858 2866 string "}",
adamc@858 2867 newline,
adamc@858 2868 newline,
adamc@858 2869 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@858 2870 newline,
adamc@858 2871 box [string "char msg[1024];",
adamc@858 2872 newline,
adamc@858 2873 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@858 2874 newline,
adamc@858 2875 string "msg[1023] = 0;",
adamc@858 2876 newline,
adamc@858 2877 string "PQclear(res);",
adamc@858 2878 newline,
adamc@858 2879 string "PQfinish(conn);",
adamc@858 2880 newline,
adamc@858 2881 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@858 2882 string q,
adamc@858 2883 string "\\n%s\", msg);",
adamc@858 2884 newline],
adamc@858 2885 string "}",
adamc@858 2886 newline,
adamc@858 2887 newline,
adamc@858 2888 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@858 2889 newline,
adamc@858 2890 box [string "PQclear(res);",
adamc@858 2891 newline,
adamc@858 2892 string "PQfinish(conn);",
adamc@858 2893 newline,
adamc@858 2894 string "uw_error(ctx, FATAL, \"Table '",
adamc@858 2895 string s,
adamc@858 2896 string "' does not exist.\");",
adamc@858 2897 newline],
adamc@858 2898 string "}",
adamc@858 2899 newline,
adamc@858 2900 newline,
adamc@858 2901 string "PQclear(res);",
adamc@858 2902 newline,
adamc@275 2903
adamc@858 2904 string "res = PQexec(conn, \"",
adamc@858 2905 string q',
adamc@858 2906 string "\");",
adamc@858 2907 newline,
adamc@858 2908 newline,
adamc@858 2909 string "if (res == NULL) {",
adamc@858 2910 newline,
adamc@858 2911 box [string "PQfinish(conn);",
adamc@858 2912 newline,
adamc@858 2913 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@858 2914 newline],
adamc@858 2915 string "}",
adamc@858 2916 newline,
adamc@858 2917 newline,
adamc@858 2918 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@858 2919 newline,
adamc@858 2920 box [string "char msg[1024];",
adamc@858 2921 newline,
adamc@858 2922 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@858 2923 newline,
adamc@858 2924 string "msg[1023] = 0;",
adamc@858 2925 newline,
adamc@858 2926 string "PQclear(res);",
adamc@858 2927 newline,
adamc@858 2928 string "PQfinish(conn);",
adamc@858 2929 newline,
adamc@858 2930 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@858 2931 string q',
adamc@858 2932 string "\\n%s\", msg);",
adamc@858 2933 newline],
adamc@858 2934 string "}",
adamc@858 2935 newline,
adamc@858 2936 newline,
adamc@858 2937 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@858 2938 string (Int.toString (length xts)),
adamc@858 2939 string "\")) {",
adamc@858 2940 newline,
adamc@858 2941 box [string "PQclear(res);",
adamc@858 2942 newline,
adamc@858 2943 string "PQfinish(conn);",
adamc@858 2944 newline,
adamc@858 2945 string "uw_error(ctx, FATAL, \"Table '",
adamc@858 2946 string s,
adamc@858 2947 string "' has the wrong column types.\");",
adamc@858 2948 newline],
adamc@858 2949 string "}",
adamc@858 2950 newline,
adamc@858 2951 newline,
adamc@858 2952 string "PQclear(res);",
adamc@858 2953 newline,
adamc@858 2954 newline,
adamc@275 2955
adamc@858 2956 string "res = PQexec(conn, \"",
adamc@858 2957 string q'',
adamc@858 2958 string "\");",
adamc@858 2959 newline,
adamc@858 2960 newline,
adamc@858 2961 string "if (res == NULL) {",
adamc@858 2962 newline,
adamc@858 2963 box [string "PQfinish(conn);",
adamc@858 2964 newline,
adamc@858 2965 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@858 2966 newline],
adamc@858 2967 string "}",
adamc@858 2968 newline,
adamc@858 2969 newline,
adamc@858 2970 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@858 2971 newline,
adamc@858 2972 box [string "char msg[1024];",
adamc@858 2973 newline,
adamc@858 2974 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@858 2975 newline,
adamc@858 2976 string "msg[1023] = 0;",
adamc@858 2977 newline,
adamc@858 2978 string "PQclear(res);",
adamc@858 2979 newline,
adamc@858 2980 string "PQfinish(conn);",
adamc@858 2981 newline,
adamc@858 2982 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@858 2983 string q'',
adamc@858 2984 string "\\n%s\", msg);",
adamc@858 2985 newline],
adamc@858 2986 string "}",
adamc@858 2987 newline,
adamc@858 2988 newline,
adamc@858 2989 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@858 2990 string (Int.toString (length xts)),
adamc@858 2991 string "\")) {",
adamc@858 2992 newline,
adamc@858 2993 box [string "PQclear(res);",
adamc@858 2994 newline,
adamc@858 2995 string "PQfinish(conn);",
adamc@858 2996 newline,
adamc@858 2997 string "uw_error(ctx, FATAL, \"Table '",
adamc@858 2998 string s,
adamc@858 2999 string "' has extra columns.\");",
adamc@858 3000 newline],
adamc@858 3001 string "}",
adamc@858 3002 newline,
adamc@858 3003 newline,
adamc@858 3004 string "PQclear(res);",
adamc@858 3005 newline]
adamc@858 3006 end) tables,
adamc@377 3007
adamc@858 3008 p_list_sep newline
adamc@858 3009 (fn s =>
adamc@858 3010 let
adamc@858 3011 val sl = CharVector.map Char.toLower s
adamc@377 3012
adamc@858 3013 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@858 3014 ^ sl ^ "' AND relkind = 'S'"
adamc@858 3015 in
adamc@858 3016 box [string "res = PQexec(conn, \"",
adamc@858 3017 string q,
adamc@858 3018 string "\");",
adamc@858 3019 newline,
adamc@858 3020 newline,
adamc@858 3021 string "if (res == NULL) {",
adamc@858 3022 newline,
adamc@858 3023 box [string "PQfinish(conn);",
adamc@858 3024 newline,
adamc@858 3025 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@858 3026 newline],
adamc@858 3027 string "}",
adamc@858 3028 newline,
adamc@858 3029 newline,
adamc@858 3030 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@858 3031 newline,
adamc@858 3032 box [string "char msg[1024];",
adamc@858 3033 newline,
adamc@858 3034 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@858 3035 newline,
adamc@858 3036 string "msg[1023] = 0;",
adamc@858 3037 newline,
adamc@858 3038 string "PQclear(res);",
adamc@858 3039 newline,
adamc@858 3040 string "PQfinish(conn);",
adamc@858 3041 newline,
adamc@858 3042 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@858 3043 string q,
adamc@858 3044 string "\\n%s\", msg);",
adamc@858 3045 newline],
adamc@858 3046 string "}",
adamc@858 3047 newline,
adamc@858 3048 newline,
adamc@858 3049 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@858 3050 newline,
adamc@858 3051 box [string "PQclear(res);",
adamc@858 3052 newline,
adamc@858 3053 string "PQfinish(conn);",
adamc@858 3054 newline,
adamc@858 3055 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@858 3056 string s,
adamc@858 3057 string "' does not exist.\");",
adamc@858 3058 newline],
adamc@858 3059 string "}",
adamc@858 3060 newline,
adamc@858 3061 newline,
adamc@858 3062 string "PQclear(res);",
adamc@858 3063 newline]
adamc@858 3064 end) sequences,
adamc@377 3065
adamc@858 3066 string "}"]
adamc@858 3067 else
adamc@858 3068 string "static void uw_db_validate(uw_context ctx) { }"
adamc@432 3069
adamc@432 3070 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@734 3071
adamc@734 3072 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 3073
adamc@734 3074 val cookieCode = foldl (fn (cookie, acc) =>
adamc@734 3075 SOME (case acc of
adamc@734 3076 NONE => string ("uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 3077 ^ cookie ^ "\"))")
adamc@734 3078 | SOME acc => box [string ("uw_Basis_strcat(ctx, uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 3079 ^ cookie ^ "\")), uw_Basis_strcat(ctx, \"/\", "),
adamc@734 3080 acc,
adamc@734 3081 string "))"]))
adamc@734 3082 NONE cookies
adamc@770 3083
adamc@770 3084 fun makeChecker (name, rules : Settings.rule list) =
adamc@770 3085 box [string "int ",
adamc@770 3086 string name,
adamc@770 3087 string "(const char *s) {",
adamc@770 3088 newline,
adamc@770 3089 box [p_list_sep (box [])
adamc@770 3090 (fn rule =>
adamc@770 3091 box [string "if (!str",
adamc@770 3092 case #kind rule of
adamc@770 3093 Settings.Exact => box [string "cmp(s, \"",
adamc@770 3094 string (String.toString (#pattern rule)),
adamc@770 3095 string "\"))"]
adamc@770 3096 | Settings.Prefix => box [string "ncmp(s, \"",
adamc@770 3097 string (String.toString (#pattern rule)),
adamc@770 3098 string "\", ",
adamc@770 3099 string (Int.toString (size (#pattern rule))),
adamc@770 3100 string "))"],
adamc@770 3101 string " return ",
adamc@770 3102 string (case #action rule of
adamc@770 3103 Settings.Allow => "1"
adamc@770 3104 | Settings.Deny => "0"),
adamc@770 3105 string ";",
adamc@770 3106 newline]) rules,
adamc@770 3107 string "return 0;",
adamc@770 3108 newline],
adamc@770 3109 string "}",
adamc@770 3110 newline]
adamc@29 3111 in
adamc@144 3112 box [string "#include <stdio.h>",
adamc@144 3113 newline,
adamc@144 3114 string "#include <stdlib.h>",
adamc@144 3115 newline,
adamc@272 3116 string "#include <string.h>",
adamc@272 3117 newline,
adamc@390 3118 string "#include <math.h>",
adamc@390 3119 newline,
adamc@432 3120 if hasDb then
adamc@866 3121 box [string ("#include <" ^ #header (Settings.currentDbms ()) ^ ">"),
adamc@432 3122 newline]
adamc@432 3123 else
adamc@432 3124 box [],
adamc@144 3125 newline,
adamc@764 3126 p_list_sep (box []) (fn s => box [string "#include \"",
adamc@764 3127 string s,
adamc@764 3128 string "\"",
adamc@764 3129 newline]) (Settings.getHeaders ()),
adamc@378 3130 string "#include \"",
adamc@378 3131 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 3132 file = "urweb.h"}),
adamc@378 3133 string "\"",
adamc@101 3134 newline,
adamc@101 3135 newline,
adamc@804 3136
adamc@863 3137 string "const char *uw_url_prefix = \"",
adamc@863 3138 string (Settings.getUrlPrefix ()),
adamc@863 3139 string "\";",
adamc@863 3140 newline,
adamc@863 3141 newline,
adamc@863 3142
adamc@804 3143 string "static const char begin_xhtml[] = \"<?xml version=\\\"1.0\\\" encoding=\\\"utf-8\\\" ?>\\n<!DOCTYPE html PUBLIC \\\"-//W3C//DTD XHTML 1.0 Transitional//EN\\\" \\\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\\\">\\n<html xmlns=\\\"http://www.w3.org/1999/xhtml\\\" xml:lang=\\\"en\\\" lang=\\\"en\\\">\";",
adamc@804 3144 newline,
adamc@804 3145 newline,
adamc@804 3146
adamc@101 3147 p_list_sep newline (fn x => x) pds,
adamc@101 3148 newline,
adamc@311 3149 string "int uw_inputs_len = ",
adamc@144 3150 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 3151 string ";",
adamc@144 3152 newline,
adamc@673 3153 string "int uw_timeout = ",
adamc@764 3154 string (Int.toString (Settings.getTimeout ())),
adamc@673 3155 string ";",
adamc@673 3156 newline,
adamc@144 3157 newline,
adamc@311 3158 string "int uw_input_num(char *name) {",
adamc@144 3159 newline,
adamc@144 3160 makeSwitch (fnums, 0),
adamc@144 3161 string "}",
adamc@144 3162 newline,
adamc@144 3163 newline,
adamc@770 3164
adamc@770 3165 makeChecker ("uw_check_url", Settings.getUrlRules ()),
adamc@770 3166 newline,
adamc@770 3167
adamc@770 3168 makeChecker ("uw_check_mime", Settings.getMimeRules ()),
adamc@770 3169 newline,
adamc@734 3170
adamc@734 3171 string "extern void uw_sign(const char *in, char *out);",
adamc@734 3172 newline,
adamc@734 3173 string "extern int uw_hash_blocksize;",
adamc@734 3174 newline,
adamc@734 3175 string "uw_Basis_string uw_cookie_sig(uw_context ctx) {",
adamc@734 3176 newline,
adamc@734 3177 box [string "uw_Basis_string r = uw_malloc(ctx, uw_hash_blocksize);",
adamc@734 3178 newline,
adamc@734 3179 string "uw_sign(",
adamc@734 3180 case cookieCode of
adamc@734 3181 NONE => string "\"\""
adamc@734 3182 | SOME code => code,
adamc@734 3183 string ", r);",
adamc@734 3184 newline,
adamc@734 3185 string "return uw_Basis_makeSigString(ctx, r);",
adamc@734 3186 newline],
adamc@734 3187 string "}",
adamc@734 3188 newline,
adamc@734 3189 newline,
adamc@734 3190
adamc@311 3191 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 3192 newline,
adamc@863 3193 string "if (!strcmp(request, \"",
adamc@863 3194 string (OS.Path.joinDirFile {dir = Settings.getUrlPrefix (),
adamc@863 3195 file = "app.js"}),
adamc@863 3196 string "\")) {",
adamc@569 3197 newline,
adamc@569 3198 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 3199 newline,
adamc@569 3200 string "uw_write(ctx, jslib);",
adamc@569 3201 newline,
adamc@569 3202 string "return;",
adamc@569 3203 newline],
adamc@569 3204 string "}",
adamc@569 3205 newline,
adamc@101 3206 p_list_sep newline (fn x => x) pds',
adamc@101 3207 newline,
adamc@387 3208 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 3209 newline,
adamc@101 3210 string "}",
adamc@275 3211 newline,
adamc@275 3212 newline,
adamc@432 3213 if hasDb then
adamc@432 3214 validate
adamc@432 3215 else
adamc@432 3216 box [],
adamc@376 3217 newline,
adamc@376 3218 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 3219 box []
adamc@376 3220 else
adamc@376 3221 box [newline,
adamc@376 3222 string "void uw_db_init(uw_context ctx) { };",
adamc@424 3223 newline,
adamc@424 3224 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 3225 newline,
adamc@424 3226 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 3227 newline,
adamc@424 3228 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@684 3229 newline,
adamc@684 3230 string "void uw_expunger(uw_context ctx, uw_Basis_client cli) { };",
adamc@687 3231 newline,
adamc@687 3232 string "void uw_initializer(uw_context ctx) { };",
adamc@376 3233 newline]]
adamc@29 3234 end
adamc@29 3235
adamc@274 3236 fun p_sql env (ds, _) =
adamc@274 3237 let
adamc@274 3238 val (pps, _) = ListUtil.foldlMap
adamc@274 3239 (fn (dAll as (d, _), env) =>
adamc@274 3240 let
adamc@274 3241 val pp = case d of
adamc@707 3242 DTable (s, xts, pk, csts) =>
adamc@274 3243 box [string "CREATE TABLE ",
adamc@274 3244 string s,
adamc@274 3245 string "(",
adamc@274 3246 p_list (fn (x, t) =>
adamc@311 3247 box [string "uw_",
adamc@275 3248 string (CharVector.map Char.toLower x),
adamc@274 3249 space,
adamc@467 3250 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@707 3251 case (pk, csts) of
adamc@707 3252 ("", []) => box []
adamc@707 3253 | _ => string ",",
adamc@704 3254 cut,
adamc@707 3255 case pk of
adamc@707 3256 "" => box []
adamc@707 3257 | _ => box [string "PRIMARY",
adamc@707 3258 space,
adamc@707 3259 string "KEY",
adamc@707 3260 space,
adamc@707 3261 string "(",
adamc@707 3262 string pk,
adamc@707 3263 string ")",
adamc@707 3264 case csts of
adamc@707 3265 [] => box []
adamc@707 3266 | _ => string ",",
adamc@707 3267 newline],
adamc@704 3268 p_list_sep (box [string ",", newline])
adamc@704 3269 (fn (x, c) =>
adamc@704 3270 box [string "CONSTRAINT",
adamc@704 3271 space,
adamc@704 3272 string s,
adamc@704 3273 string "_",
adamc@704 3274 string x,
adamc@704 3275 space,
adamc@704 3276 string c]) csts,
adamc@704 3277 newline,
adamc@274 3278 string ");",
adamc@274 3279 newline,
adamc@274 3280 newline]
adamc@338 3281 | DSequence s =>
adamc@338 3282 box [string "CREATE SEQUENCE ",
adamc@338 3283 string s,
adamc@338 3284 string ";",
adamc@338 3285 newline,
adamc@338 3286 newline]
adamc@754 3287 | DView (s, xts, q) =>
adamc@754 3288 box [string "CREATE VIEW",
adamc@754 3289 space,
adamc@754 3290 string s,
adamc@754 3291 space,
adamc@754 3292 string "AS",
adamc@754 3293 space,
adamc@754 3294 string q,
adamc@754 3295 string ";",
adamc@754 3296 newline,
adamc@754 3297 newline]
adamc@274 3298 | _ => box []
adamc@274 3299 in
adamc@274 3300 (pp, E.declBinds env dAll)
adamc@274 3301 end)
adamc@274 3302 env ds
adamc@274 3303 in
adamc@274 3304 box pps
adamc@274 3305 end
adamc@274 3306
adamc@29 3307 end