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annotate src/cjr_print.sml @ 1421:3dab4696d116

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Subqueries may always return NULL
author Adam Chlipala <adam@chlipala.net>
date Thu, 03 Feb 2011 21:04:12 -0500
parents 7d963b8019e6
children 4a6f84092399
rev   line source
adam@1391 1 (* Copyright (c) 2008-2011, 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
adam@1370 69 | TFfi ("Basis", "queryString") => true
adamc@463 70 | _ => false
adamc@463 71
adamc@29 72 fun p_typ' par env (t, loc) =
adamc@29 73 case t of
adamc@476 74 TFun (t1, t2) => (EM.errorAt loc "Function type remains";
adamc@476 75 string "<FUNCTION>")
adamc@29 76 | TRecord i => box [string "struct",
adamc@29 77 space,
adamc@311 78 string "__uws_",
adamc@29 79 string (Int.toString i)]
adamc@188 80 | TDatatype (Enum, n, _) =>
adamc@188 81 (box [string "enum",
adamc@188 82 space,
adamc@1257 83 string ("__uwe_" ^ ident (#1 (E.lookupDatatype env n)) ^ "_" ^ Int.toString n)]
adamc@311 84 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 85 | TDatatype (Option, n, xncs) =>
adamc@198 86 (case ListUtil.search #3 (!xncs) of
adamc@198 87 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 88 | SOME t =>
adamc@897 89 if isUnboxable t then
adamc@897 90 p_typ' par env t
adamc@897 91 else
adamc@897 92 box [p_typ' par env t,
adamc@897 93 string "*"])
adamc@188 94 | TDatatype (Default, n, _) =>
adamc@165 95 (box [string "struct",
adamc@165 96 space,
adamc@1257 97 string ("__uwd_" ^ ident (#1 (E.lookupDatatype env n)) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 98 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 99 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 100 | TOption t =>
adamc@463 101 if isUnboxable t then
adamc@463 102 p_typ' par env t
adamc@463 103 else
adamc@463 104 box [p_typ' par env t,
adamc@463 105 string "*"]
adamc@757 106 | TList (_, i) => box [string "struct",
adamc@757 107 space,
adamc@757 108 string "__uws_",
adamc@757 109 string (Int.toString i),
adamc@757 110 string "*"]
adamc@29 111
adamc@29 112 and p_typ env = p_typ' false env
adamc@29 113
adamc@316 114 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 115 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 116
adam@1294 117 fun p_enamed' env n =
adam@1294 118 "__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n
adam@1294 119 handle CjrEnv.UnboundNamed _ => "__uwn_UNBOUND_" ^ Int.toString n
adam@1294 120
adam@1294 121 fun p_enamed env n = string (p_enamed' env n)
adamc@109 122
adamc@182 123 fun p_con_named env n =
adamc@316 124 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 125 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 126
adamc@182 127 fun p_pat_preamble env (p, _) =
adamc@182 128 case p of
adamc@182 129 PWild => (box [],
adamc@182 130 env)
adamc@182 131 | PVar (x, t) => (box [p_typ env t,
adamc@182 132 space,
adamc@311 133 string "__uwr_",
adamc@316 134 p_ident x,
adamc@182 135 string "_",
adamc@182 136 string (Int.toString (E.countERels env)),
adamc@182 137 string ";",
adamc@182 138 newline],
adamc@196 139 E.pushERel env x t)
adamc@182 140 | PPrim _ => (box [], env)
adamc@188 141 | PCon (_, _, NONE) => (box [], env)
adamc@188 142 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 143 | PRecord xps =>
adamc@182 144 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 145 let
adamc@182 146 val (pp', env) = p_pat_preamble env p
adamc@182 147 in
adamc@182 148 (box [pp', pp], env)
adamc@182 149 end) (box [], env) xps
adamc@288 150 | PNone _ => (box [], env)
adamc@288 151 | PSome (_, p) => p_pat_preamble env p
adamc@182 152
adamc@182 153 fun p_patCon env pc =
adamc@182 154 case pc of
adamc@182 155 PConVar n => p_con_named env n
adamc@316 156 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 157
adamc@757 158 fun p_pat (env, exit, depth) (p, loc) =
adamc@182 159 case p of
adamc@182 160 PWild =>
adamc@182 161 (box [], env)
adamc@182 162 | PVar (x, t) =>
adamc@311 163 (box [string "__uwr_",
adamc@316 164 p_ident x,
adamc@182 165 string "_",
adamc@182 166 string (Int.toString (E.countERels env)),
adamc@182 167 space,
adamc@182 168 string "=",
adamc@182 169 space,
adamc@182 170 string "disc",
adamc@182 171 string (Int.toString depth),
adamc@182 172 string ";"],
adamc@182 173 E.pushERel env x t)
adamc@182 174 | PPrim (Prim.Int n) =>
adamc@182 175 (box [string "if",
adamc@182 176 space,
adamc@182 177 string "(disc",
adamc@182 178 string (Int.toString depth),
adamc@182 179 space,
adamc@182 180 string "!=",
adamc@182 181 space,
adamc@276 182 Prim.p_t_GCC (Prim.Int n),
adamc@182 183 string ")",
adamc@182 184 space,
adamc@182 185 exit],
adamc@182 186 env)
adamc@182 187 | PPrim (Prim.String s) =>
adamc@182 188 (box [string "if",
adamc@182 189 space,
adamc@182 190 string "(strcmp(disc",
adamc@182 191 string (Int.toString depth),
adamc@182 192 string ",",
adamc@182 193 space,
adamc@276 194 Prim.p_t_GCC (Prim.String s),
adamc@182 195 string "))",
adamc@182 196 space,
adamc@182 197 exit],
adamc@182 198 env)
adamc@947 199 | PPrim (Prim.Char ch) =>
adamc@947 200 (box [string "if",
adamc@947 201 space,
adamc@947 202 string "(disc",
adamc@947 203 string (Int.toString depth),
adamc@947 204 space,
adamc@947 205 string "!=",
adamc@947 206 space,
adamc@947 207 Prim.p_t_GCC (Prim.Char ch),
adamc@947 208 string ")",
adamc@947 209 space,
adamc@947 210 exit],
adamc@947 211 env)
adamc@182 212 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 213
adamc@188 214 | PCon (dk, pc, po) =>
adamc@182 215 let
adamc@182 216 val (p, env) =
adamc@182 217 case po of
adamc@182 218 NONE => (box [], env)
adamc@182 219 | SOME p =>
adamc@182 220 let
adamc@182 221 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 222
adamc@182 223 val (x, to) = case pc of
adamc@182 224 PConVar n =>
adamc@182 225 let
adamc@182 226 val (x, to, _) = E.lookupConstructor env n
adamc@182 227 in
adamc@316 228 ("uw_" ^ ident x, to)
adamc@182 229 end
adamc@188 230 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 231 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 232
adamc@182 233 val t = case to of
adamc@182 234 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 235 | SOME t => t
adamc@182 236 in
adamc@182 237 (box [string "{",
adamc@182 238 newline,
adamc@182 239 p_typ env t,
adamc@182 240 space,
adamc@182 241 string "disc",
adamc@182 242 string (Int.toString (depth + 1)),
adamc@182 243 space,
adamc@182 244 string "=",
adamc@182 245 space,
adamc@198 246 case dk of
adamc@198 247 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 248 | Default => box [string "disc",
adamc@198 249 string (Int.toString depth),
adamc@198 250 string "->data.",
adamc@198 251 string x]
adamc@198 252 | Option =>
adamc@463 253 if isUnboxable t then
adamc@463 254 box [string "disc",
adamc@463 255 string (Int.toString depth)]
adamc@463 256 else
adamc@463 257 box [string "*disc",
adamc@463 258 string (Int.toString depth)],
adamc@182 259 string ";",
adamc@182 260 newline,
adamc@182 261 p,
adamc@182 262 newline,
adamc@182 263 string "}"],
adamc@182 264 env)
adamc@182 265 end
adamc@182 266 in
adamc@182 267 (box [string "if",
adamc@182 268 space,
adamc@182 269 string "(disc",
adamc@182 270 string (Int.toString depth),
adamc@198 271 case (dk, po) of
adamc@198 272 (Enum, _) => box [space,
adamc@198 273 string "!=",
adamc@198 274 space,
adamc@198 275 p_patCon env pc]
adamc@198 276 | (Default, _) => box [string "->tag",
adamc@198 277 space,
adamc@198 278 string "!=",
adamc@198 279 space,
adamc@198 280 p_patCon env pc]
adamc@198 281 | (Option, NONE) => box [space,
adamc@198 282 string "!=",
adamc@198 283 space,
adamc@198 284 string "NULL"]
adamc@198 285 | (Option, SOME _) => box [space,
adamc@198 286 string "==",
adamc@198 287 space,
adamc@198 288 string "NULL"],
adamc@182 289 string ")",
adamc@182 290 space,
adamc@182 291 exit,
adamc@182 292 newline,
adamc@182 293 p],
adamc@182 294 env)
adamc@182 295 end
adamc@182 296
adamc@182 297 | PRecord xps =>
adamc@182 298 let
adamc@182 299 val (xps, env) =
adamc@182 300 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 301 let
adamc@182 302 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 303
adamc@182 304 val p = box [string "{",
adamc@182 305 newline,
adamc@182 306 p_typ env t,
adamc@182 307 space,
adamc@182 308 string "disc",
adamc@182 309 string (Int.toString (depth + 1)),
adamc@182 310 space,
adamc@182 311 string "=",
adamc@182 312 space,
adamc@182 313 string "disc",
adamc@182 314 string (Int.toString depth),
adamc@311 315 string ".__uwf_",
adamc@316 316 p_ident x,
adamc@182 317 string ";",
adamc@182 318 newline,
adamc@182 319 p,
adamc@182 320 newline,
adamc@182 321 string "}"]
adamc@182 322 in
adamc@182 323 (p, env)
adamc@182 324 end) env xps
adamc@182 325 in
adamc@182 326 (p_list_sep newline (fn x => x) xps,
adamc@182 327 env)
adamc@182 328 end
adamc@182 329
adamc@288 330 | PNone t =>
adamc@288 331 (box [string "if",
adamc@288 332 space,
adamc@288 333 string "(disc",
adamc@288 334 string (Int.toString depth),
adamc@288 335 space,
adamc@288 336 string "!=",
adamc@288 337 space,
adamc@288 338 string "NULL)",
adamc@288 339 space,
adamc@288 340 exit,
adamc@288 341 newline],
adamc@288 342 env)
adamc@288 343
adamc@288 344 | PSome (t, p) =>
adamc@288 345 let
adamc@288 346 val (p, env) =
adamc@288 347 let
adamc@288 348 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 349 in
adamc@288 350 (box [string "{",
adamc@288 351 newline,
adamc@288 352 p_typ env t,
adamc@288 353 space,
adamc@288 354 string "disc",
adamc@288 355 string (Int.toString (depth + 1)),
adamc@288 356 space,
adamc@288 357 string "=",
adamc@288 358 space,
adamc@463 359 if isUnboxable t then
adamc@463 360 box [string "disc",
adamc@463 361 string (Int.toString depth)]
adamc@463 362 else
adamc@463 363 box [string "*disc",
adamc@463 364 string (Int.toString depth)],
adamc@288 365 string ";",
adamc@288 366 newline,
adamc@288 367 p,
adamc@288 368 newline,
adamc@288 369 string "}"],
adamc@288 370 env)
adamc@288 371 end
adamc@288 372 in
adamc@288 373 (box [string "if",
adamc@288 374 space,
adamc@288 375 string "(disc",
adamc@288 376 string (Int.toString depth),
adamc@288 377 space,
adamc@288 378 string "==",
adamc@288 379 space,
adamc@288 380 string "NULL)",
adamc@288 381 space,
adamc@288 382 exit,
adamc@288 383 newline,
adamc@288 384 p],
adamc@288 385 env)
adamc@288 386 end
adamc@288 387
adamc@182 388 local
adamc@182 389 val count = ref 0
adamc@182 390 in
adamc@182 391 fun newGoto () =
adamc@182 392 let
adamc@182 393 val r = !count
adamc@182 394 in
adamc@182 395 count := r + 1;
adamc@182 396 string ("L" ^ Int.toString r)
adamc@182 397 end
adamc@182 398 end
adamc@182 399
adamc@185 400 fun patConInfo env pc =
adamc@185 401 case pc of
adamc@185 402 PConVar n =>
adamc@185 403 let
adamc@185 404 val (x, _, dn) = E.lookupConstructor env n
adamc@185 405 val (dx, _) = E.lookupDatatype env dn
adamc@185 406 in
adamc@316 407 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 408 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 409 "uw_" ^ ident x)
adamc@185 410 end
adamc@186 411 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 412 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 413 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 414 "uw_" ^ ident con)
adamc@185 415
adamc@743 416 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e eLen =
adamc@278 417 case t of
adamc@311 418 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 419 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 420 | TFfi ("Basis", "string") =>
adamc@324 421 if wontLeakStrings then
adamc@324 422 e
adamc@324 423 else
adamc@737 424 box [string "uw_strdup(ctx, ", e, string ")"]
adamc@311 425 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 426 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@743 427 | TFfi ("Basis", "blob") => box [string "uw_Basis_stringToBlob_error(ctx, ",
adamc@743 428 e,
adamc@743 429 string ", ",
adamc@743 430 eLen,
adamc@743 431 string ")"]
adamc@678 432 | TFfi ("Basis", "channel") => box [string "uw_Basis_stringToChannel_error(ctx, ", e, string ")"]
adamc@682 433 | TFfi ("Basis", "client") => box [string "uw_Basis_stringToClient_error(ctx, ", e, string ")"]
adamc@467 434
adamc@278 435 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 436 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 437 string "ERROR")
adamc@278 438
adamc@467 439 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 440 case t of
adamc@467 441 TOption t =>
adamc@747 442 box [string "(PQgetisnull(res, i, ",
adamc@467 443 string (Int.toString i),
adamc@467 444 string ") ? NULL : ",
adamc@467 445 case t of
adamc@467 446 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 447 | _ => box [string "({",
adamc@467 448 newline,
adamc@467 449 p_typ env t,
adamc@467 450 space,
adamc@467 451 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 452 p_typ env t,
adamc@467 453 string "));",
adamc@467 454 newline,
adamc@467 455 string "*tmp = ",
adamc@467 456 p_getcol wontLeakStrings env t i,
adamc@467 457 string ";",
adamc@467 458 newline,
adamc@467 459 string "tmp;",
adamc@467 460 newline,
adamc@467 461 string "})"],
adamc@467 462 string ")"]
adamc@467 463 | _ =>
adamc@747 464 box [string "(PQgetisnull(res, i, ",
adamc@747 465 string (Int.toString i),
adamc@747 466 string ") ? ",
adamc@747 467 box [string "({",
adamc@747 468 p_typ env tAll,
adamc@747 469 space,
adamc@747 470 string "tmp;",
adamc@747 471 newline,
adamc@747 472 string "uw_error(ctx, FATAL, \"Unexpectedly NULL field #",
adamc@747 473 string (Int.toString i),
adamc@747 474 string "\");",
adamc@747 475 newline,
adamc@747 476 string "tmp;",
adamc@747 477 newline,
adamc@747 478 string "})"],
adamc@747 479 string " : ",
adamc@747 480 p_unsql wontLeakStrings env tAll
adamc@747 481 (box [string "PQgetvalue(res, i, ",
adamc@747 482 string (Int.toString i),
adamc@747 483 string ")"])
adamc@747 484 (box [string "PQgetlength(res, i, ",
adamc@747 485 string (Int.toString i),
adamc@747 486 string ")"]),
adamc@747 487 string ")"]
adamc@467 488
adamc@867 489 datatype sql_type = datatype Settings.sql_type
adamc@867 490 val isBlob = Settings.isBlob
adamc@737 491
adamc@739 492 fun isFile (t : typ) =
adamc@737 493 case #1 t of
adamc@739 494 TFfi ("Basis", "file") => true
adamc@737 495 | _ => false
adamc@737 496
adamc@1011 497 fun p_sql_type t = string (Settings.p_sql_ctype t)
adamc@282 498
adamc@282 499 fun getPargs (e, _) =
adamc@282 500 case e of
adamc@282 501 EPrim (Prim.String _) => []
adamc@282 502 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 503
adamc@282 504 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 505 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 506 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 507 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 508 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@737 509 | EFfiApp ("Basis", "sqlifyBlob", [e]) => [(e, Blob)]
adamc@678 510 | EFfiApp ("Basis", "sqlifyChannel", [e]) => [(e, Channel)]
adamc@682 511 | EFfiApp ("Basis", "sqlifyClient", [e]) => [(e, Client)]
adamc@468 512
adamc@678 513 | ECase (e,
adamc@678 514 [((PNone _, _),
adamc@678 515 (EPrim (Prim.String "NULL"), _)),
adamc@678 516 ((PSome (_, (PVar _, _)), _),
adamc@678 517 (EFfiApp (m, x, [(ERel 0, _)]), _))],
adamc@678 518 _) => map (fn (x, y) => (x, Nullable y)) (getPargs (EFfiApp (m, x, [e]), #2 e))
adamc@468 519
adamc@491 520 | ECase (e,
adamc@491 521 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 522 (EPrim (Prim.String "TRUE"), _)),
adamc@491 523 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 524 (EPrim (Prim.String "FALSE"), _))],
adamc@491 525 _) => [(e, Bool)]
adamc@282 526
adamc@282 527 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 528
adamc@1324 529 val notLeakies = SS.fromList ["int", "float", "char", "time", "bool", "unit", "client", "channel",
adamc@1324 530 "xhtml", "page", "xbody", "css_class"]
adamc@1324 531 val notLeakies' = SS.fromList ["blob"]
adamc@1324 532
adamc@324 533 fun notLeaky env allowHeapAllocated =
adamc@324 534 let
adamc@638 535 fun nl ok (t, _) =
adamc@324 536 case t of
adamc@324 537 TFun _ => false
adamc@324 538 | TRecord n =>
adamc@324 539 let
adamc@324 540 val xts = E.lookupStruct env n
adamc@324 541 in
adamc@638 542 List.all (fn (_, t) => nl ok t) xts
adamc@324 543 end
adamc@638 544 | TDatatype (dk, n, ref cons) =>
adamc@638 545 IS.member (ok, n)
adamc@638 546 orelse
adamc@638 547 ((allowHeapAllocated orelse dk = Enum)
adamc@638 548 andalso
adamc@638 549 let
adamc@638 550 val ok' = IS.add (ok, n)
adamc@638 551 in
adamc@638 552 List.all (fn (_, _, to) => case to of
adamc@638 553 NONE => true
adamc@638 554 | SOME t => nl ok' t) cons
adamc@638 555 end)
adamc@1324 556 | TFfi ("Basis", t) => SS.member (notLeakies, t)
adamc@1324 557 orelse (allowHeapAllocated andalso SS.member (notLeakies', t))
adamc@1324 558 | TFfi _ => false
adamc@638 559 | TOption t => allowHeapAllocated andalso nl ok t
adamc@757 560 | TList (t, _) => allowHeapAllocated andalso nl ok t
adamc@324 561 in
adamc@638 562 nl IS.empty
adamc@324 563 end
adamc@324 564
adamc@463 565 fun capitalize s =
adamc@463 566 if s = "" then
adamc@463 567 ""
adamc@463 568 else
adamc@463 569 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 570
adamc@1023 571 fun unurlify fromClient env (t, loc) =
adamc@463 572 let
adamc@463 573 fun unurlify' rf t =
adamc@463 574 case t of
adamc@1109 575 TFfi ("Basis", "unit") => string "uw_Basis_unurlifyUnit(ctx, &request)"
adamc@1023 576 | TFfi ("Basis", "string") => string (if fromClient then
adamc@1023 577 "uw_Basis_unurlifyString_fromClient(ctx, &request)"
adamc@1023 578 else
adamc@1023 579 "uw_Basis_unurlifyString(ctx, &request)")
adamc@463 580 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 581
adamc@1109 582 | TRecord 0 => string "uw_Basis_unurlifyUnit(ctx, &request)"
adamc@463 583 | TRecord i =>
adamc@463 584 let
adamc@463 585 val xts = E.lookupStruct env i
adamc@463 586 in
adamc@463 587 box [string "({",
adamc@463 588 newline,
adamc@463 589 box (map (fn (x, t) =>
adamc@463 590 box [p_typ env t,
adamc@463 591 space,
adamc@463 592 string "uwr_",
adamc@463 593 string x,
adamc@463 594 space,
adamc@463 595 string "=",
adamc@463 596 space,
adamc@463 597 unurlify' rf (#1 t),
adamc@463 598 string ";",
adamc@463 599 newline]) xts),
adamc@463 600 string "struct",
adamc@463 601 space,
adamc@463 602 string "__uws_",
adamc@463 603 string (Int.toString i),
adamc@463 604 space,
adamc@463 605 string "tmp",
adamc@463 606 space,
adamc@463 607 string "=",
adamc@463 608 space,
adamc@463 609 string "{",
adamc@463 610 space,
adamc@463 611 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 612 string x]) xts,
adamc@463 613 space,
adamc@463 614 string "};",
adamc@463 615 newline,
adamc@463 616 string "tmp;",
adamc@463 617 newline,
adamc@463 618 string "})"]
adamc@463 619 end
adamc@463 620
adamc@463 621 | TDatatype (Enum, i, _) =>
adamc@463 622 let
adamc@463 623 val (x, xncs) = E.lookupDatatype env i
adamc@463 624
adamc@463 625 fun doEm xncs =
adamc@463 626 case xncs of
adamc@463 627 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 628 ^ x ^ "\"), (enum __uwe_"
adamc@463 629 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 630 | (x', n, to) :: rest =>
adamc@463 631 box [string "((!strncmp(request, \"",
adamc@463 632 string x',
adamc@463 633 string "\", ",
adamc@463 634 string (Int.toString (size x')),
adamc@463 635 string ") && (request[",
adamc@463 636 string (Int.toString (size x')),
adamc@463 637 string "] == 0 || request[",
adamc@463 638 string (Int.toString (size x')),
adam@1360 639 string "] == '/')) ? (request += ",
adam@1360 640 string (Int.toString (size x')),
adam@1360 641 string (", (*request == '/' ? ++request : NULL), __uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ")"),
adamc@463 642 space,
adamc@463 643 string ":",
adamc@463 644 space,
adamc@463 645 doEm rest,
adamc@463 646 string ")"]
adamc@463 647 in
adamc@463 648 doEm xncs
adamc@463 649 end
adamc@463 650
adamc@463 651 | TDatatype (Option, i, xncs) =>
adamc@463 652 if IS.member (rf, i) then
adamc@463 653 box [string "unurlify_",
adamc@463 654 string (Int.toString i),
adamc@463 655 string "()"]
adamc@463 656 else
adamc@463 657 let
adamc@463 658 val (x, _) = E.lookupDatatype env i
adamc@463 659
adamc@463 660 val (no_arg, has_arg, t) =
adamc@463 661 case !xncs of
adamc@463 662 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 663 (no_arg, has_arg, t)
adamc@463 664 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 665 (no_arg, has_arg, t)
adamc@463 666 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 667
adamc@463 668 val rf = IS.add (rf, i)
adamc@463 669 in
adamc@463 670 box [string "({",
adamc@463 671 space,
adamc@463 672 p_typ env t,
adamc@463 673 space,
adamc@463 674 string "*unurlify_",
adamc@463 675 string (Int.toString i),
adamc@463 676 string "(void) {",
adamc@463 677 newline,
adamc@463 678 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 679 newline,
adamc@463 680 string "((!strncmp(request, \"",
adamc@463 681 string no_arg,
adamc@463 682 string "\", ",
adamc@463 683 string (Int.toString (size no_arg)),
adamc@463 684 string ") && (request[",
adamc@463 685 string (Int.toString (size no_arg)),
adamc@463 686 string "] == 0 || request[",
adamc@463 687 string (Int.toString (size no_arg)),
adamc@463 688 string "] == '/')) ? (request",
adamc@463 689 space,
adamc@463 690 string "+=",
adamc@463 691 space,
adamc@463 692 string (Int.toString (size no_arg)),
adamc@463 693 string ", NULL) : ((!strncmp(request, \"",
adamc@463 694 string has_arg,
adamc@463 695 string "\", ",
adamc@463 696 string (Int.toString (size has_arg)),
adamc@463 697 string ") && (request[",
adamc@463 698 string (Int.toString (size has_arg)),
adamc@463 699 string "] == 0 || request[",
adamc@463 700 string (Int.toString (size has_arg)),
adamc@463 701 string "] == '/')) ? (request",
adamc@463 702 space,
adamc@463 703 string "+=",
adamc@463 704 space,
adamc@463 705 string (Int.toString (size has_arg)),
adamc@463 706 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 707 newline,
adamc@463 708
adamc@463 709 if isUnboxable t then
adamc@463 710 unurlify' rf (#1 t)
adamc@463 711 else
adamc@463 712 box [string "({",
adamc@463 713 newline,
adamc@463 714 p_typ env t,
adamc@463 715 space,
adamc@463 716 string "*tmp",
adamc@463 717 space,
adamc@463 718 string "=",
adamc@463 719 space,
adamc@463 720 string "uw_malloc(ctx, sizeof(",
adamc@463 721 p_typ env t,
adamc@463 722 string "));",
adamc@463 723 newline,
adamc@463 724 string "*tmp",
adamc@463 725 space,
adamc@463 726 string "=",
adamc@463 727 space,
adamc@463 728 unurlify' rf (#1 t),
adamc@463 729 string ";",
adamc@463 730 newline,
adamc@463 731 string "tmp;",
adamc@463 732 newline,
adamc@463 733 string "})"],
adamc@463 734 string ")",
adamc@463 735 newline,
adamc@463 736 string ":",
adamc@463 737 space,
adamc@463 738 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 739 ^ "\"), NULL))));"),
adamc@463 740 newline],
adamc@463 741 string "}",
adamc@463 742 newline,
adamc@463 743 newline,
adamc@463 744
adamc@463 745 string "unurlify_",
adamc@463 746 string (Int.toString i),
adamc@463 747 string "();",
adamc@463 748 newline,
adamc@463 749 string "})"]
adamc@463 750 end
adamc@463 751
adamc@463 752 | TDatatype (Default, i, _) =>
adamc@463 753 if IS.member (rf, i) then
adamc@463 754 box [string "unurlify_",
adamc@463 755 string (Int.toString i),
adamc@463 756 string "()"]
adamc@463 757 else
adamc@463 758 let
adamc@463 759 val (x, xncs) = E.lookupDatatype env i
adamc@463 760
adamc@463 761 val rf = IS.add (rf, i)
adamc@463 762
adamc@463 763 fun doEm xncs =
adamc@463 764 case xncs of
adamc@463 765 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 766 ^ x ^ "\"), NULL)")
adamc@463 767 | (x', n, to) :: rest =>
adamc@463 768 box [string "((!strncmp(request, \"",
adamc@463 769 string x',
adamc@463 770 string "\", ",
adamc@463 771 string (Int.toString (size x')),
adamc@463 772 string ") && (request[",
adamc@463 773 string (Int.toString (size x')),
adamc@463 774 string "] == 0 || request[",
adamc@463 775 string (Int.toString (size x')),
adamc@463 776 string "] == '/')) ? ({",
adamc@463 777 newline,
adamc@463 778 string "struct",
adamc@463 779 space,
adamc@463 780 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 781 space,
adamc@463 782 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 783 string x,
adamc@463 784 string "_",
adamc@463 785 string (Int.toString i),
adamc@463 786 string "));",
adamc@463 787 newline,
adamc@463 788 string "tmp->tag",
adamc@463 789 space,
adamc@463 790 string "=",
adamc@463 791 space,
adamc@463 792 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 793 string ";",
adamc@463 794 newline,
adamc@463 795 string "request",
adamc@463 796 space,
adamc@463 797 string "+=",
adamc@463 798 space,
adamc@463 799 string (Int.toString (size x')),
adamc@463 800 string ";",
adamc@463 801 newline,
adamc@463 802 string "if (request[0] == '/') ++request;",
adamc@463 803 newline,
adamc@463 804 case to of
adamc@463 805 NONE => box []
adamc@463 806 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 807 p_ident x',
adamc@463 808 space,
adamc@463 809 string "=",
adamc@463 810 space,
adamc@463 811 unurlify' rf t,
adamc@463 812 string ";",
adamc@463 813 newline],
adamc@463 814 string "tmp;",
adamc@463 815 newline,
adamc@463 816 string "})",
adamc@463 817 space,
adamc@463 818 string ":",
adamc@463 819 space,
adamc@463 820 doEm rest,
adamc@463 821 string ")"]
adamc@463 822 in
adamc@463 823 box [string "({",
adamc@463 824 space,
adamc@463 825 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 826 space,
adamc@463 827 string "unurlify_",
adamc@463 828 string (Int.toString i),
adamc@463 829 string "(void) {",
adamc@463 830 newline,
adamc@463 831 box [string "return",
adamc@463 832 space,
adamc@463 833 doEm xncs,
adamc@463 834 string ";",
adamc@463 835 newline],
adamc@463 836 string "}",
adamc@463 837 newline,
adamc@463 838 newline,
adamc@463 839
adamc@463 840 string "unurlify_",
adamc@463 841 string (Int.toString i),
adamc@463 842 string "();",
adamc@463 843 newline,
adamc@463 844 string "})"]
adamc@463 845 end
adamc@463 846
adamc@758 847 | TList (t', i) =>
adamc@758 848 if IS.member (rf, i) then
adamc@758 849 box [string "unurlify_list_",
adamc@758 850 string (Int.toString i),
adamc@758 851 string "()"]
adamc@758 852 else
adamc@758 853 let
adamc@758 854 val rf = IS.add (rf, i)
adamc@758 855 in
adamc@758 856 box [string "({",
adamc@758 857 space,
adamc@758 858 p_typ env (t, loc),
adamc@758 859 space,
adamc@758 860 string "unurlify_list_",
adamc@758 861 string (Int.toString i),
adamc@758 862 string "(void) {",
adamc@758 863 newline,
adamc@758 864 box [string "return (request[0] == '/' ? ++request : request,",
adamc@758 865 newline,
adamc@758 866 string "((!strncmp(request, \"Nil\", 3) && (request[3] == 0 ",
adamc@758 867 string "|| request[3] == '/')) ? (request",
adamc@758 868 space,
adamc@758 869 string "+=",
adamc@758 870 space,
adam@1322 871 string "3, (*request == '/' ? *request++ = 0 : 0), NULL) : ((!strncmp(request, \"Cons\", 4) && (request[4] == 0 ",
adamc@758 872 string "|| request[4] == '/')) ? (request",
adamc@758 873 space,
adamc@758 874 string "+=",
adamc@758 875 space,
adamc@758 876 string "4, (request[0] == '/' ? ++request : NULL), ",
adamc@758 877 newline,
adamc@758 878
adamc@758 879 string "({",
adamc@758 880 newline,
adamc@758 881 p_typ env (t, loc),
adamc@758 882 space,
adamc@758 883 string "tmp",
adamc@758 884 space,
adamc@758 885 string "=",
adamc@758 886 space,
adamc@758 887 string "uw_malloc(ctx, sizeof(struct __uws_",
adamc@758 888 string (Int.toString i),
adamc@758 889 string "));",
adamc@758 890 newline,
adamc@758 891 string "*tmp",
adamc@758 892 space,
adamc@758 893 string "=",
adamc@758 894 space,
adamc@758 895 unurlify' rf (TRecord i),
adamc@758 896 string ";",
adamc@758 897 newline,
adamc@758 898 string "tmp;",
adamc@758 899 newline,
adamc@758 900 string "})",
adamc@758 901 string ")",
adamc@758 902 newline,
adamc@758 903 string ":",
adamc@758 904 space,
adam@1322 905 string ("(uw_error(ctx, FATAL, \"Error unurlifying list: %s\", request), NULL))));"),
adamc@758 906 newline],
adamc@758 907 string "}",
adamc@758 908 newline,
adamc@758 909 newline,
adamc@758 910
adamc@758 911 string "unurlify_list_",
adamc@758 912 string (Int.toString i),
adamc@758 913 string "();",
adamc@758 914 newline,
adamc@758 915 string "})"]
adamc@758 916 end
adamc@758 917
adamc@471 918 | TOption t =>
adamc@471 919 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 920 string "((!strncmp(request, \"None\", 4) ",
adamc@471 921 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@931 922 string "? (request += (request[4] == 0 ? 4 : 5), NULL) ",
adamc@471 923 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 924 string "&& request[4] == '/') ",
adamc@471 925 string "? (request += 5, ",
adamc@471 926 if isUnboxable t then
adamc@471 927 unurlify' rf (#1 t)
adamc@471 928 else
adamc@471 929 box [string "({",
adamc@471 930 newline,
adamc@471 931 p_typ env t,
adamc@471 932 space,
adamc@471 933 string "*tmp",
adamc@471 934 space,
adamc@471 935 string "=",
adamc@471 936 space,
adamc@471 937 string "uw_malloc(ctx, sizeof(",
adamc@471 938 p_typ env t,
adamc@471 939 string "));",
adamc@471 940 newline,
adamc@471 941 string "*tmp",
adamc@471 942 space,
adamc@471 943 string "=",
adamc@471 944 space,
adamc@471 945 unurlify' rf (#1 t),
adamc@471 946 string ";",
adamc@471 947 newline,
adamc@471 948 string "tmp;",
adamc@471 949 newline,
adamc@471 950 string "})"],
adamc@471 951 string ") :",
adamc@471 952 space,
adamc@471 953 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 954
adamc@463 955 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 956 space)
adamc@463 957 in
adamc@463 958 unurlify' IS.empty t
adamc@463 959 end
adamc@463 960
adamc@905 961 val urlify1 = ref 0
adamc@905 962
adamc@610 963 fun urlify env t =
adamc@610 964 let
adamc@905 965 fun urlify' rf rfl level (t as (_, loc)) =
adamc@610 966 case #1 t of
adamc@610 967 TFfi ("Basis", "unit") => box []
adamc@610 968 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 969 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 970 newline]
adamc@610 971
adamc@610 972 | TRecord 0 => box []
adamc@610 973 | TRecord i =>
adamc@610 974 let
adamc@611 975 fun empty (t, _) =
adamc@611 976 case t of
adamc@611 977 TFfi ("Basis", "unit") => true
adamc@611 978 | TRecord 0 => true
adamc@611 979 | TRecord j =>
adamc@611 980 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 981 | _ => false
adamc@611 982
adamc@610 983 val xts = E.lookupStruct env i
adamc@611 984
adamc@613 985 val (blocks, _) = foldl
adamc@613 986 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 987 let
adamc@613 988 val thisEmpty = empty t
adamc@613 989 in
adamc@613 990 if thisEmpty then
adamc@613 991 (blocks, printingSinceLastSlash)
adamc@613 992 else
adamc@613 993 (box [string "{",
adamc@613 994 newline,
adamc@613 995 p_typ env t,
adamc@613 996 space,
adamc@613 997 string ("it" ^ Int.toString (level + 1)),
adamc@613 998 space,
adamc@613 999 string "=",
adamc@613 1000 space,
adamc@613 1001 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 1002 newline,
adamc@613 1003 box (if printingSinceLastSlash then
adamc@613 1004 [string "uw_write(ctx, \"/\");",
adamc@613 1005 newline]
adamc@613 1006 else
adamc@613 1007 []),
adamc@905 1008 urlify' rf rfl (level + 1) t,
adamc@613 1009 string "}",
adamc@613 1010 newline] :: blocks,
adamc@613 1011 true)
adamc@613 1012 end)
adamc@613 1013 ([], false) xts
adamc@610 1014 in
adamc@613 1015 box (rev blocks)
adamc@610 1016 end
adamc@610 1017
adamc@638 1018 | TDatatype (Enum, i, _) =>
adamc@638 1019 let
adamc@610 1020 val (x, xncs) = E.lookupDatatype env i
adamc@610 1021
adamc@610 1022 fun doEm xncs =
adamc@610 1023 case xncs of
adamc@638 1024 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 1025 ^ x ^ "\");"),
adamc@638 1026 newline]
adamc@610 1027 | (x', n, to) :: rest =>
adamc@638 1028 box [string ("if (it" ^ Int.toString level
adamc@638 1029 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 1030 newline,
adamc@638 1031 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 1032 newline],
adamc@638 1033 string "} else {",
adamc@638 1034 newline,
adamc@638 1035 box [doEm rest,
adamc@638 1036 newline],
adamc@638 1037 string "}"]
adamc@610 1038 in
adamc@610 1039 doEm xncs
adamc@638 1040 end
adamc@610 1041
adamc@639 1042 | TDatatype (Option, i, xncs) =>
adamc@639 1043 if IS.member (rf, i) then
adamc@639 1044 box [string "urlify_",
adamc@610 1045 string (Int.toString i),
adamc@639 1046 string "(it",
adamc@639 1047 string (Int.toString level),
adamc@639 1048 string ");",
adamc@639 1049 newline]
adamc@610 1050 else
adamc@610 1051 let
adamc@610 1052 val (x, _) = E.lookupDatatype env i
adamc@610 1053
adamc@610 1054 val (no_arg, has_arg, t) =
adamc@610 1055 case !xncs of
adamc@610 1056 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 1057 (no_arg, has_arg, t)
adamc@610 1058 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 1059 (no_arg, has_arg, t)
adamc@639 1060 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 1061
adamc@610 1062 val rf = IS.add (rf, i)
adamc@610 1063 in
adamc@610 1064 box [string "({",
adamc@610 1065 space,
adamc@639 1066 string "void",
adamc@639 1067 space,
adamc@639 1068 string "urlify_",
adamc@639 1069 string (Int.toString i),
adamc@639 1070 string "(",
adamc@610 1071 p_typ env t,
adamc@610 1072 space,
adamc@639 1073 if isUnboxable t then
adamc@639 1074 box []
adamc@639 1075 else
adamc@639 1076 string "*",
adamc@639 1077 string "it0) {",
adamc@610 1078 newline,
adamc@639 1079 box [string "if (it0) {",
adamc@905 1080 newline,
adamc@639 1081 if isUnboxable t then
adamc@905 1082 urlify' rf rfl 0 t
adamc@610 1083 else
adamc@639 1084 box [p_typ env t,
adamc@610 1085 space,
adamc@639 1086 string "it1",
adamc@610 1087 space,
adamc@610 1088 string "=",
adamc@610 1089 space,
adamc@639 1090 string "*it0;",
adamc@610 1091 newline,
adamc@639 1092 string "uw_write(ctx, \"",
adamc@639 1093 string has_arg,
adamc@639 1094 string "/\");",
adamc@639 1095 newline,
adamc@905 1096 urlify' rf rfl 1 t,
adamc@610 1097 string ";",
adamc@639 1098 newline],
adamc@639 1099 string "} else {",
adamc@905 1100 box [newline,
adamc@905 1101 string "uw_write(ctx, \"",
adamc@639 1102 string no_arg,
adamc@639 1103 string "\");",
adamc@639 1104 newline],
adamc@639 1105 string "}",
adamc@610 1106 newline],
adamc@610 1107 string "}",
adamc@610 1108 newline,
adamc@610 1109 newline,
adamc@610 1110
adamc@639 1111 string "urlify_",
adamc@610 1112 string (Int.toString i),
adamc@639 1113 string "(it",
adamc@639 1114 string (Int.toString level),
adamc@639 1115 string ");",
adamc@610 1116 newline,
adamc@639 1117 string "});",
adamc@639 1118 newline]
adamc@639 1119 end
adamc@610 1120
adamc@640 1121 | TDatatype (Default, i, _) =>
adamc@640 1122 if IS.member (rf, i) then
adamc@640 1123 box [string "urlify_",
adamc@610 1124 string (Int.toString i),
adamc@640 1125 string "(it",
adamc@640 1126 string (Int.toString level),
adamc@640 1127 string ");",
adamc@640 1128 newline]
adamc@610 1129 else
adamc@610 1130 let
adamc@610 1131 val (x, xncs) = E.lookupDatatype env i
adamc@610 1132
adamc@610 1133 val rf = IS.add (rf, i)
adamc@610 1134
adamc@610 1135 fun doEm xncs =
adamc@610 1136 case xncs of
adamc@640 1137 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1138 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1139 newline]
adamc@610 1140 | (x', n, to) :: rest =>
adamc@640 1141 box [string "if",
adamc@610 1142 space,
adamc@640 1143 string "(it0->tag==__uwc_",
adamc@640 1144 string (ident x'),
adamc@610 1145 string "_",
adamc@640 1146 string (Int.toString n),
adamc@640 1147 string ") {",
adamc@610 1148 newline,
adamc@610 1149 case to of
adamc@640 1150 NONE => box [string "uw_write(ctx, \"",
adamc@640 1151 string x',
adamc@640 1152 string "\");",
adamc@640 1153 newline]
adamc@640 1154 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1155 string x',
adamc@640 1156 string "/\");",
adamc@640 1157 newline,
adamc@640 1158 p_typ env t,
adamc@640 1159 space,
adamc@640 1160 string "it1",
adamc@640 1161 space,
adamc@640 1162 string "=",
adamc@640 1163 space,
adamc@640 1164 string "it0->data.uw_",
adamc@640 1165 string x',
adamc@640 1166 string ";",
adamc@640 1167 newline,
adamc@905 1168 urlify' rf rfl 1 t,
adamc@640 1169 newline],
adamc@640 1170 string "} else {",
adamc@610 1171 newline,
adamc@640 1172 box [doEm rest,
adamc@640 1173 newline],
adamc@640 1174 string "}",
adamc@640 1175 newline]
adamc@610 1176 in
adamc@610 1177 box [string "({",
adamc@610 1178 space,
adamc@640 1179 string "void",
adamc@610 1180 space,
adamc@640 1181 string "urlify_",
adamc@610 1182 string (Int.toString i),
adamc@640 1183 string "(",
adamc@640 1184 p_typ env t,
adamc@640 1185 space,
adamc@640 1186 string "it0) {",
adamc@610 1187 newline,
adamc@640 1188 box [doEm xncs,
adamc@610 1189 newline],
adamc@640 1190 newline,
adamc@610 1191 string "}",
adamc@610 1192 newline,
adamc@640 1193
adamc@640 1194 string "urlify_",
adamc@640 1195 string (Int.toString i),
adamc@640 1196 string "(it",
adamc@640 1197 string (Int.toString level),
adamc@640 1198 string ");",
adamc@610 1199 newline,
adamc@640 1200 string "});",
adamc@640 1201 newline]
adamc@640 1202 end
adamc@610 1203
adamc@641 1204 | TOption t =>
adamc@641 1205 box [string "if (it",
adamc@641 1206 string (Int.toString level),
adamc@641 1207 string ") {",
adamc@641 1208 if isUnboxable t then
adamc@641 1209 box [string "uw_write(ctx, \"Some/\");",
adamc@641 1210 newline,
adamc@905 1211 urlify' rf rfl level t]
adamc@610 1212 else
adamc@641 1213 box [p_typ env t,
adamc@610 1214 space,
adamc@641 1215 string "it",
adamc@641 1216 string (Int.toString (level + 1)),
adamc@610 1217 space,
adamc@610 1218 string "=",
adamc@610 1219 space,
adamc@641 1220 string "*it",
adamc@641 1221 string (Int.toString level),
adamc@610 1222 string ";",
adamc@610 1223 newline,
adamc@641 1224 string "uw_write(ctx, \"Some/\");",
adamc@610 1225 newline,
adamc@905 1226 urlify' rf rfl (level + 1) t,
adamc@641 1227 string ";",
adamc@641 1228 newline],
adamc@641 1229 string "} else {",
adamc@905 1230 box [newline,
adamc@905 1231 string "uw_write(ctx, \"None\");",
adamc@641 1232 newline],
adamc@641 1233 string "}",
adamc@641 1234 newline]
adamc@610 1235
adamc@905 1236 | TList (t, i) =>
adamc@905 1237 if IS.member (rfl, i) then
adamc@905 1238 box [string "urlifyl_",
adamc@905 1239 string (Int.toString i),
adamc@905 1240 string "(it",
adamc@905 1241 string (Int.toString level),
adamc@905 1242 string ");",
adamc@905 1243 newline]
adamc@905 1244 else
adamc@905 1245 let
adamc@905 1246 val rfl = IS.add (rfl, i)
adamc@905 1247 in
adamc@905 1248 box [string "({",
adamc@905 1249 space,
adamc@905 1250 string "void",
adamc@905 1251 space,
adamc@905 1252 string "urlifyl_",
adamc@905 1253 string (Int.toString i),
adamc@905 1254 string "(struct __uws_",
adamc@905 1255 string (Int.toString i),
adamc@905 1256 space,
adamc@905 1257 string "*it0) {",
adamc@905 1258 newline,
adamc@905 1259 box [string "if (it0) {",
adamc@905 1260 newline,
adamc@905 1261 p_typ env t,
adamc@905 1262 space,
adamc@905 1263 string "it1",
adamc@905 1264 space,
adamc@905 1265 string "=",
adamc@905 1266 space,
adamc@905 1267 string "it0->__uwf_1;",
adamc@905 1268 newline,
adamc@905 1269 string "uw_write(ctx, \"Cons/\");",
adamc@905 1270 newline,
adamc@905 1271 urlify' rf rfl 1 t,
adamc@905 1272 string ";",
adamc@905 1273 newline,
adamc@905 1274 string "uw_write(ctx, \"/\");",
adamc@905 1275 newline,
adamc@905 1276 string "urlifyl_",
adamc@905 1277 string (Int.toString i),
adamc@905 1278 string "(it0->__uwf_2);",
adamc@905 1279 newline,
adamc@905 1280 string "} else {",
adamc@905 1281 newline,
adamc@905 1282 box [string "uw_write(ctx, \"Nil\");",
adamc@905 1283 newline],
adamc@905 1284 string "}",
adamc@905 1285 newline],
adamc@905 1286 string "}",
adamc@905 1287 newline,
adamc@905 1288 newline,
adamc@905 1289
adamc@905 1290 string "urlifyl_",
adamc@905 1291 string (Int.toString i),
adamc@905 1292 string "(it",
adamc@905 1293 string (Int.toString level),
adamc@905 1294 string ");",
adamc@905 1295 newline,
adamc@905 1296 string "});",
adamc@905 1297 newline]
adamc@905 1298 end
adamc@905 1299
adamc@610 1300 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1301 space)
adamc@610 1302 in
adamc@905 1303 urlify' IS.empty IS.empty 0 t
adamc@610 1304 end
adamc@610 1305
adamc@867 1306 fun sql_type_in env (tAll as (t, loc)) =
adamc@867 1307 case t of
adamc@867 1308 TFfi ("Basis", "int") => Int
adamc@867 1309 | TFfi ("Basis", "float") => Float
adamc@867 1310 | TFfi ("Basis", "string") => String
adamc@1011 1311 | TFfi ("Basis", "char") => Char
adamc@867 1312 | TFfi ("Basis", "bool") => Bool
adamc@867 1313 | TFfi ("Basis", "time") => Time
adamc@867 1314 | TFfi ("Basis", "blob") => Blob
adamc@867 1315 | TFfi ("Basis", "channel") => Channel
adamc@867 1316 | TFfi ("Basis", "client") => Client
adamc@867 1317 | TOption t' => Nullable (sql_type_in env t')
adamc@867 1318 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@867 1319 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@867 1320 Int)
adamc@867 1321
adam@1391 1322 fun potentiallyFancy (e, _) =
adam@1391 1323 case e of
adam@1391 1324 EPrim _ => false
adam@1391 1325 | ERel _ => false
adam@1391 1326 | ENamed _ => false
adam@1391 1327 | ECon (_, _, NONE) => false
adam@1391 1328 | ECon (_, _, SOME e) => potentiallyFancy e
adam@1391 1329 | ENone _ => false
adam@1391 1330 | ESome (_, e) => potentiallyFancy e
adam@1391 1331 | EFfi _ => false
adam@1391 1332 | EFfiApp _ => true
adam@1391 1333 | EApp _ => true
adam@1391 1334 | EUnop (_, e) => potentiallyFancy e
adam@1391 1335 | EBinop (_, e1, e2) => potentiallyFancy e1 orelse potentiallyFancy e2
adam@1391 1336 | ERecord (_, xes) => List.exists (potentiallyFancy o #2) xes
adam@1391 1337 | EField (e, _) => potentiallyFancy e
adam@1391 1338 | ECase (e, pes, _) => potentiallyFancy e orelse List.exists (potentiallyFancy o #2) pes
adam@1391 1339 | EError _ => false
adam@1391 1340 | EReturnBlob _ => false
adam@1391 1341 | ERedirect _ => false
adam@1391 1342 | EWrite e => potentiallyFancy e
adam@1391 1343 | ESeq (e1, e2) => potentiallyFancy e1 orelse potentiallyFancy e2
adam@1391 1344 | ELet (_, _, e1, e2) => potentiallyFancy e1 orelse potentiallyFancy e2
adam@1391 1345 | EQuery _ => true
adam@1391 1346 | EDml {dml = e, ...} => potentiallyFancy e
adam@1391 1347 | ENextval {seq = e, ...} => potentiallyFancy e
adam@1391 1348 | ESetval {seq = e1, count = e2} => potentiallyFancy e1 orelse potentiallyFancy e2
adam@1391 1349 | EUnurlify _ => true
adam@1391 1350
adamc@182 1351 fun p_exp' par env (e, loc) =
adamc@29 1352 case e of
adamc@276 1353 EPrim p => Prim.p_t_GCC p
adamc@29 1354 | ERel n => p_rel env n
adamc@109 1355 | ENamed n => p_enamed env n
adamc@188 1356 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1357 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1358 | ECon (Option, pc, SOME e) =>
adamc@198 1359 let
adamc@198 1360 val to = case pc of
adamc@198 1361 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1362 | PConFfi {arg, ...} => arg
adamc@198 1363
adamc@198 1364 val t = case to of
adamc@198 1365 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1366 | SOME t => t
adamc@198 1367 in
adamc@463 1368 if isUnboxable t then
adamc@463 1369 p_exp' par env e
adamc@463 1370 else
adamc@463 1371 box [string "({",
adamc@463 1372 newline,
adamc@463 1373 p_typ env t,
adamc@463 1374 space,
adamc@463 1375 string "*tmp",
adamc@463 1376 space,
adamc@463 1377 string "=",
adamc@463 1378 space,
adamc@463 1379 string "uw_malloc(ctx, sizeof(",
adamc@463 1380 p_typ env t,
adamc@463 1381 string "));",
adamc@463 1382 newline,
adamc@463 1383 string "*tmp",
adamc@463 1384 space,
adamc@463 1385 string "=",
adamc@463 1386 p_exp' par env e,
adamc@463 1387 string ";",
adamc@463 1388 newline,
adamc@463 1389 string "tmp;",
adamc@463 1390 newline,
adamc@463 1391 string "})"]
adamc@198 1392 end
adamc@188 1393 | ECon (Default, pc, eo) =>
adamc@181 1394 let
adamc@196 1395 val (xd, xc, xn) = patConInfo env pc
adamc@181 1396 in
adamc@182 1397 box [string "({",
adamc@181 1398 newline,
adamc@181 1399 string "struct",
adamc@181 1400 space,
adamc@185 1401 string xd,
adamc@181 1402 space,
adamc@181 1403 string "*tmp",
adamc@181 1404 space,
adamc@181 1405 string "=",
adamc@181 1406 space,
adamc@311 1407 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1408 string xd,
adamc@181 1409 string "));",
adamc@181 1410 newline,
adamc@181 1411 string "tmp->tag",
adamc@181 1412 space,
adamc@181 1413 string "=",
adamc@181 1414 space,
adamc@185 1415 string xc,
adamc@181 1416 string ";",
adamc@181 1417 newline,
adamc@181 1418 case eo of
adamc@181 1419 NONE => box []
adamc@185 1420 | SOME e => box [string "tmp->data.",
adamc@196 1421 string xn,
adamc@181 1422 space,
adamc@181 1423 string "=",
adamc@181 1424 space,
adamc@181 1425 p_exp env e,
adamc@181 1426 string ";",
adamc@181 1427 newline],
adamc@181 1428 string "tmp;",
adamc@181 1429 newline,
adamc@181 1430 string "})"]
adamc@181 1431 end
adamc@297 1432 | ENone _ => string "NULL"
adamc@290 1433 | ESome (t, e) =>
adamc@463 1434 if isUnboxable t then
adamc@463 1435 p_exp' par env e
adamc@463 1436 else
adamc@463 1437 box [string "({",
adamc@463 1438 newline,
adamc@463 1439 p_typ env t,
adamc@463 1440 space,
adamc@463 1441 string "*tmp",
adamc@463 1442 space,
adamc@463 1443 string "=",
adamc@463 1444 space,
adamc@463 1445 string "uw_malloc(ctx, sizeof(",
adamc@463 1446 p_typ env t,
adamc@463 1447 string "));",
adamc@463 1448 newline,
adamc@463 1449 string "*tmp",
adamc@463 1450 space,
adamc@463 1451 string "=",
adamc@463 1452 p_exp' par env e,
adamc@463 1453 string ";",
adamc@463 1454 newline,
adamc@463 1455 string "tmp;",
adamc@463 1456 newline,
adamc@463 1457 string "})"]
adamc@109 1458
adamc@316 1459 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1460 | EError (e, t) =>
adamc@283 1461 box [string "({",
adamc@283 1462 newline,
adamc@283 1463 p_typ env t,
adamc@283 1464 space,
adamc@283 1465 string "tmp;",
adamc@283 1466 newline,
adamc@311 1467 string "uw_error(ctx, FATAL, \"",
adamc@292 1468 string (ErrorMsg.spanToString loc),
adamc@292 1469 string ": %s\", ",
adamc@283 1470 p_exp env e,
adamc@283 1471 string ");",
adamc@283 1472 newline,
adamc@283 1473 string "tmp;",
adamc@283 1474 newline,
adamc@283 1475 string "})"]
adamc@741 1476 | EReturnBlob {blob, mimeType, t} =>
adamc@741 1477 box [string "({",
adamc@741 1478 newline,
adamc@741 1479 p_typ env t,
adamc@741 1480 space,
adamc@741 1481 string "tmp;",
adamc@741 1482 newline,
adamc@741 1483 string "uw_return_blob(ctx, ",
adamc@741 1484 p_exp env blob,
adamc@741 1485 string ", ",
adamc@741 1486 p_exp env mimeType,
adamc@741 1487 string ");",
adamc@741 1488 newline,
adamc@741 1489 string "tmp;",
adamc@741 1490 newline,
adamc@741 1491 string "})"]
adamc@1065 1492 | ERedirect (e, t) =>
adamc@1065 1493 box [string "({",
adamc@1065 1494 newline,
adamc@1065 1495 p_typ env t,
adamc@1065 1496 space,
adamc@1065 1497 string "tmp;",
adamc@1065 1498 newline,
adamc@1065 1499 string "uw_redirect(ctx, ",
adamc@1065 1500 p_exp env e,
adamc@1065 1501 string ");",
adamc@1065 1502 newline,
adamc@1065 1503 string "tmp;",
adamc@1065 1504 newline,
adamc@1065 1505 string "})"]
adamc@476 1506 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1507 p_exp env (EError (e, ran), loc)
adamc@741 1508 | EApp ((EReturnBlob {blob, mimeType, t = (TFun (_, ran), _)}, loc), _) =>
adamc@741 1509 p_exp env (EReturnBlob {blob = blob, mimeType = mimeType, t = ran}, loc)
adamc@476 1510
adamc@922 1511 | EFfiApp ("Basis", "strcat", [e1, e2]) =>
adamc@922 1512 let
adamc@922 1513 fun flatten e =
adamc@922 1514 case #1 e of
adamc@922 1515 EFfiApp ("Basis", "strcat", [e1, e2]) => flatten e1 @ flatten e2
adamc@922 1516 | _ => [e]
adamc@922 1517 in
adamc@922 1518 case flatten e1 @ flatten e2 of
adamc@922 1519 [e1, e2] => box [string "uw_Basis_strcat(ctx, ",
adamc@922 1520 p_exp env e1,
adamc@922 1521 string ",",
adamc@922 1522 p_exp env e2,
adamc@922 1523 string ")"]
adamc@922 1524 | es => box [string "uw_Basis_mstrcat(ctx, ",
adamc@922 1525 p_list (p_exp env) es,
adamc@922 1526 string ", NULL)"]
adamc@922 1527 end
adamc@922 1528
adamc@765 1529 | EFfiApp (m, x, []) => box [string "uw_",
adamc@765 1530 p_ident m,
adamc@765 1531 string "_",
adamc@765 1532 p_ident x,
adamc@765 1533 string "(ctx)"]
adamc@765 1534
adamc@311 1535 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1536 p_ident m,
adamc@53 1537 string "_",
adamc@316 1538 p_ident x,
adamc@117 1539 string "(ctx, ",
adamc@53 1540 p_list (p_exp env) es,
adamc@53 1541 string ")"]
adamc@316 1542 | EApp (f, args) =>
adamc@316 1543 parenIf par (box [p_exp' true env f,
adamc@316 1544 string "(ctx,",
adamc@316 1545 space,
adamc@316 1546 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1547 string ")"])
adamc@29 1548
adamc@387 1549 | EUnop (s, e1) =>
adamc@387 1550 parenIf par (box [string s,
adamc@387 1551 space,
adamc@387 1552 p_exp' true env e1])
adamc@387 1553
adamc@387 1554 | EBinop (s, e1, e2) =>
adamc@389 1555 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1556 box [string s,
adamc@390 1557 string "(",
adamc@389 1558 p_exp env e1,
adamc@389 1559 string ",",
adamc@389 1560 space,
adamc@389 1561 p_exp env e2,
adamc@389 1562 string ")"]
adamc@389 1563 else
adamc@389 1564 parenIf par (box [p_exp' true env e1,
adamc@389 1565 space,
adamc@389 1566 string s,
adamc@389 1567 space,
adamc@389 1568 p_exp' true env e2])
adamc@387 1569
adamc@29 1570 | ERecord (i, xes) => box [string "({",
adamc@29 1571 space,
adamc@29 1572 string "struct",
adamc@29 1573 space,
adamc@311 1574 string ("__uws_" ^ Int.toString i),
adamc@29 1575 space,
adamc@181 1576 string "tmp",
adamc@29 1577 space,
adamc@29 1578 string "=",
adamc@29 1579 space,
adamc@29 1580 string "{",
adamc@29 1581 p_list (fn (_, e) =>
adamc@29 1582 p_exp env e) xes,
adamc@29 1583 string "};",
adamc@29 1584 space,
adamc@181 1585 string "tmp;",
adamc@29 1586 space,
adamc@29 1587 string "})" ]
adamc@29 1588 | EField (e, x) =>
adamc@29 1589 box [p_exp' true env e,
adamc@311 1590 string ".__uwf_",
adamc@316 1591 p_ident x]
adamc@29 1592
adamc@182 1593 | ECase (e, pes, {disc, result}) =>
adamc@182 1594 let
adamc@182 1595 val final = newGoto ()
adamc@182 1596
adamc@182 1597 val body = foldl (fn ((p, e), body) =>
adamc@182 1598 let
adamc@182 1599 val exit = newGoto ()
adamc@182 1600 val (pr, _) = p_pat_preamble env p
adamc@182 1601 val (p, env) = p_pat (env,
adamc@182 1602 box [string "goto",
adamc@182 1603 space,
adamc@182 1604 exit,
adamc@182 1605 string ";"],
adamc@182 1606 0) p
adamc@182 1607 in
adamc@182 1608 box [body,
adamc@182 1609 box [string "{",
adamc@182 1610 newline,
adamc@182 1611 pr,
adamc@182 1612 newline,
adamc@182 1613 p,
adamc@182 1614 newline,
adamc@182 1615 string "result",
adamc@182 1616 space,
adamc@182 1617 string "=",
adamc@182 1618 space,
adamc@182 1619 p_exp env e,
adamc@182 1620 string ";",
adamc@182 1621 newline,
adamc@182 1622 string "goto",
adamc@182 1623 space,
adamc@182 1624 final,
adamc@182 1625 string ";",
adamc@182 1626 newline,
adamc@182 1627 string "}"],
adamc@182 1628 newline,
adamc@182 1629 exit,
adamc@182 1630 string ":",
adamc@182 1631 newline]
adamc@182 1632 end) (box []) pes
adamc@182 1633 in
adamc@182 1634 box [string "({",
adamc@182 1635 newline,
adamc@182 1636 p_typ env disc,
adamc@182 1637 space,
adamc@182 1638 string "disc0",
adamc@182 1639 space,
adamc@182 1640 string "=",
adamc@182 1641 space,
adamc@182 1642 p_exp env e,
adamc@182 1643 string ";",
adamc@182 1644 newline,
adamc@182 1645 p_typ env result,
adamc@182 1646 space,
adamc@182 1647 string "result;",
adamc@182 1648 newline,
adamc@182 1649 body,
adamc@311 1650 string "uw_error(ctx, FATAL, \"",
adamc@182 1651 string (ErrorMsg.spanToString loc),
adamc@182 1652 string ": pattern match failure\");",
adamc@182 1653 newline,
adamc@182 1654 final,
adamc@182 1655 string ":",
adamc@182 1656 space,
adamc@182 1657 string "result;",
adamc@182 1658 newline,
adamc@182 1659 string "})"]
adamc@182 1660 end
adamc@181 1661
adamc@311 1662 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1663 p_exp env e,
adamc@311 1664 string "), uw_unit_v)"]
adamc@102 1665
adam@1391 1666 | ESeq (e1, e2) =>
adam@1391 1667 let
adam@1391 1668 val useRegion = potentiallyFancy e1
adam@1391 1669 in
adam@1391 1670 box [string "(",
adam@1391 1671 if useRegion then
adam@1391 1672 box [string "uw_begin_region(ctx),",
adam@1391 1673 space]
adam@1391 1674 else
adam@1391 1675 box [],
adam@1391 1676 p_exp env e1,
adam@1391 1677 string ",",
adam@1391 1678 space,
adam@1391 1679 if useRegion then
adam@1391 1680 box [string "uw_end_region(ctx),",
adam@1391 1681 space]
adam@1391 1682 else
adam@1391 1683 box [],
adam@1391 1684 p_exp env e2,
adam@1391 1685 string ")"]
adam@1391 1686 end
adam@1391 1687 | ELet (x, t, e1, e2) =>
adam@1391 1688 let
adam@1391 1689 val useRegion = notLeaky env false t andalso potentiallyFancy e1
adam@1391 1690 in
adam@1391 1691 box [string "({",
adam@1391 1692 newline,
adam@1391 1693 p_typ env t,
adam@1391 1694 space,
adam@1391 1695 string "__uwr_",
adam@1391 1696 p_ident x,
adam@1391 1697 string "_",
adam@1391 1698 string (Int.toString (E.countERels env)),
adam@1391 1699 space,
adam@1391 1700 string "=",
adam@1391 1701 space,
adam@1391 1702 if useRegion then
adam@1391 1703 box [string "(uw_begin_region(ctx),",
adam@1391 1704 space]
adam@1391 1705 else
adam@1391 1706 box [],
adam@1391 1707 p_exp env e1,
adam@1391 1708 if useRegion then
adam@1391 1709 string ")"
adam@1391 1710 else
adam@1391 1711 box [],
adam@1391 1712 string ";",
adam@1391 1713 newline,
adam@1391 1714 if useRegion then
adam@1391 1715 box [string "uw_end_region(ctx);",
adam@1391 1716 newline]
adam@1391 1717 else
adam@1391 1718 box [],
adam@1391 1719 p_exp (E.pushERel env x t) e2,
adam@1391 1720 string ";",
adam@1391 1721 newline,
adam@1391 1722 string "})"]
adam@1391 1723 end
adamc@269 1724
adamc@282 1725 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1726 let
adamc@316 1727 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1728 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1729 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1730 tables
adamc@638 1731
adamc@1168 1732 val sort = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER)
adamc@1168 1733 val outputs = sort exps @ sort tables
adamc@324 1734
adamc@324 1735 val wontLeakStrings = notLeaky env true state
adamc@324 1736 val wontLeakAnything = notLeaky env false state
adamc@867 1737
adamc@867 1738 val inputs =
adamc@867 1739 case prepared of
adamc@867 1740 NONE => []
adamc@867 1741 | SOME _ => getPargs query
adamc@867 1742
adamc@867 1743 fun doCols p_getcol =
adamc@867 1744 box [string "struct __uws_",
adamc@867 1745 string (Int.toString rnum),
adamc@867 1746 string " __uwr_r_",
adamc@867 1747 string (Int.toString (E.countERels env)),
adamc@867 1748 string ";",
adamc@867 1749 newline,
adamc@867 1750 p_typ env state,
adamc@867 1751 space,
adamc@867 1752 string "__uwr_acc_",
adamc@867 1753 string (Int.toString (E.countERels env + 1)),
adamc@867 1754 space,
adamc@867 1755 string "=",
adamc@867 1756 space,
adamc@867 1757 string "acc;",
adamc@867 1758 newline,
adamc@867 1759 newline,
adamc@1114 1760
adamc@1114 1761 if Settings.getDeadlines () then
adamc@1114 1762 box [string "uw_check_deadline(ctx);",
adamc@1114 1763 newline]
adamc@1114 1764 else
adamc@1114 1765 box [],
adamc@1114 1766
adamc@867 1767 p_list_sepi (box []) (fn i =>
adamc@867 1768 fn (proj, t) =>
adamc@867 1769 box [string "__uwr_r_",
adamc@867 1770 string (Int.toString (E.countERels env)),
adamc@867 1771 string ".",
adamc@867 1772 string proj,
adamc@867 1773 space,
adamc@867 1774 string "=",
adamc@867 1775 space,
adamc@880 1776 p_getcol {loc = loc,
adamc@880 1777 wontLeakStrings = wontLeakStrings,
adamc@867 1778 col = i,
adamc@867 1779 typ = sql_type_in env t},
adamc@867 1780 string ";",
adamc@867 1781 newline]) outputs,
adamc@867 1782 newline,
adamc@867 1783 newline,
adamc@867 1784
adamc@867 1785 string "acc",
adamc@867 1786 space,
adamc@867 1787 string "=",
adamc@867 1788 space,
adamc@867 1789 p_exp (E.pushERel
adamc@867 1790 (E.pushERel env "r" (TRecord rnum, loc))
adamc@867 1791 "acc" state)
adamc@867 1792 body,
adamc@867 1793 string ";",
adamc@867 1794 newline]
adamc@278 1795 in
adamc@640 1796 box [if wontLeakAnything then
adamc@704 1797 string "(uw_begin_region(ctx), "
adamc@324 1798 else
adamc@324 1799 box [],
adamc@324 1800 string "({",
adamc@278 1801 newline,
adamc@640 1802 p_typ env state,
adamc@640 1803 space,
adamc@640 1804 string "acc",
adamc@640 1805 space,
adamc@640 1806 string "=",
adamc@640 1807 space,
adamc@640 1808 p_exp env initial,
adamc@640 1809 string ";",
adamc@640 1810 newline,
adamc@867 1811 string "int dummy = (uw_begin_region(ctx), 0);",
adamc@640 1812 newline,
adamc@640 1813
adamc@282 1814 case prepared of
adamc@867 1815 NONE =>
adamc@867 1816 box [string "char *query = ",
adamc@867 1817 p_exp env query,
adamc@867 1818 string ";",
adamc@867 1819 newline,
adamc@867 1820 newline,
adamc@282 1821
adamc@867 1822 #query (Settings.currentDbms ())
adamc@867 1823 {loc = loc,
adamc@873 1824 cols = map (fn (_, t) => sql_type_in env t) outputs,
adamc@867 1825 doCols = doCols}]
adamc@879 1826 | SOME {id, query, nested} =>
adamc@867 1827 box [p_list_sepi newline
adamc@867 1828 (fn i => fn (e, t) =>
adamc@867 1829 box [p_sql_type t,
adamc@867 1830 space,
adamc@867 1831 string "arg",
adamc@867 1832 string (Int.toString (i + 1)),
adamc@867 1833 space,
adamc@867 1834 string "=",
adamc@867 1835 space,
adamc@867 1836 p_exp env e,
adamc@867 1837 string ";"])
adamc@867 1838 inputs,
adamc@867 1839 newline,
adamc@867 1840 newline,
adamc@640 1841
adamc@867 1842 #queryPrepared (Settings.currentDbms ())
adamc@867 1843 {loc = loc,
adamc@867 1844 id = id,
adamc@867 1845 query = query,
adamc@867 1846 inputs = map #2 inputs,
adamc@873 1847 cols = map (fn (_, t) => sql_type_in env t) outputs,
adamc@879 1848 doCols = doCols,
adamc@879 1849 nested = nested}],
adamc@278 1850 newline,
adamc@277 1851
adamc@324 1852 if wontLeakAnything then
adamc@324 1853 box [string "uw_end_region(ctx);",
adamc@324 1854 newline]
adamc@324 1855 else
adamc@324 1856 box [],
adamc@278 1857 string "acc;",
adamc@278 1858 newline,
adamc@704 1859 string "})",
adamc@704 1860 if wontLeakAnything then
adamc@704 1861 string ")"
adamc@704 1862 else
adamc@704 1863 box []]
adamc@278 1864 end
adamc@106 1865
adam@1293 1866 | EDml {dml, prepared, mode} =>
adam@1295 1867 box [string "(uw_begin_region(ctx), ({",
adamc@307 1868 newline,
adamc@307 1869 case prepared of
adamc@307 1870 NONE => box [string "char *dml = ",
adamc@307 1871 p_exp env dml,
adamc@307 1872 string ";",
adamc@868 1873 newline,
adamc@868 1874 newline,
adam@1293 1875 #dml (Settings.currentDbms ()) (loc, mode)]
adamc@879 1876 | SOME {id, dml = dml'} =>
adamc@307 1877 let
adamc@868 1878 val inputs = getPargs dml
adamc@307 1879 in
adamc@307 1880 box [p_list_sepi newline
adamc@307 1881 (fn i => fn (e, t) =>
adamc@307 1882 box [p_sql_type t,
adamc@307 1883 space,
adamc@307 1884 string "arg",
adamc@307 1885 string (Int.toString (i + 1)),
adamc@307 1886 space,
adamc@307 1887 string "=",
adamc@307 1888 space,
adamc@307 1889 p_exp env e,
adamc@307 1890 string ";"])
adamc@868 1891 inputs,
adamc@307 1892 newline,
adamc@307 1893 newline,
adamc@307 1894
adamc@868 1895 #dmlPrepared (Settings.currentDbms ()) {loc = loc,
adamc@868 1896 id = id,
adamc@868 1897 dml = dml',
adam@1293 1898 inputs = map #2 inputs,
adam@1293 1899 mode = mode}]
adamc@307 1900 end,
adamc@307 1901 newline,
adamc@307 1902 newline,
adamc@337 1903 string "uw_end_region(ctx);",
adamc@337 1904 newline,
adam@1293 1905
adam@1293 1906 case mode of
adam@1293 1907 Settings.Error => string "uw_unit_v;"
adam@1295 1908 | Settings.None => string "uw_dup_and_clear_error_message(ctx);",
adam@1293 1909
adamc@307 1910 newline,
adam@1295 1911 string "}))"]
adamc@307 1912
adamc@338 1913 | ENextval {seq, prepared} =>
adamc@878 1914 box [string "({",
adamc@878 1915 newline,
adamc@878 1916 string "uw_Basis_int n;",
adamc@878 1917 newline,
adamc@869 1918
adamc@878 1919 case prepared of
adamc@878 1920 NONE => #nextval (Settings.currentDbms ()) {loc = loc,
adamc@878 1921 seqE = p_exp env seq,
adamc@878 1922 seqName = case #1 seq of
adamc@878 1923 EPrim (Prim.String s) => SOME s
adamc@878 1924 | _ => NONE}
adamc@879 1925 | SOME {id, query} => #nextvalPrepared (Settings.currentDbms ()) {loc = loc,
adamc@878 1926 id = id,
adamc@878 1927 query = query},
adamc@878 1928 newline,
adamc@878 1929 newline,
adamc@869 1930
adamc@878 1931 string "n;",
adamc@878 1932 newline,
adamc@878 1933 string "})"]
adamc@338 1934
adamc@1073 1935 | ESetval {seq, count} =>
adamc@1073 1936 box [string "({",
adamc@1073 1937 newline,
adamc@1073 1938
adamc@1073 1939 #setval (Settings.currentDbms ()) {loc = loc,
adamc@1073 1940 seqE = p_exp env seq,
adamc@1073 1941 count = p_exp env count},
adamc@1073 1942 newline,
adamc@1073 1943 newline,
adamc@1073 1944
adamc@1073 1945 string "uw_unit_v;",
adamc@1073 1946 newline,
adamc@1073 1947 string "})"]
adamc@1073 1948
adamc@1112 1949 | EUnurlify (e, t, true) =>
adamc@463 1950 let
adamc@463 1951 fun getIt () =
adamc@463 1952 if isUnboxable t then
adamc@1023 1953 unurlify false env t
adamc@463 1954 else
adamc@463 1955 box [string "({",
adamc@463 1956 newline,
adamc@463 1957 p_typ env t,
adamc@463 1958 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1959 p_typ env t,
adamc@463 1960 string "));",
adamc@463 1961 newline,
adamc@463 1962 string "*tmp = ",
adamc@1023 1963 unurlify false env t,
adamc@463 1964 string ";",
adamc@463 1965 newline,
adamc@463 1966 string "tmp;",
adamc@463 1967 newline,
adamc@463 1968 string "})"]
adamc@463 1969 in
adamc@463 1970 box [string "({",
adamc@463 1971 newline,
adamc@737 1972 string "uw_Basis_string request = uw_maybe_strdup(ctx, ",
adamc@463 1973 p_exp env e,
adamc@492 1974 string ");",
adamc@463 1975 newline,
adamc@463 1976 newline,
adamc@463 1977 string "(request ? ",
adamc@463 1978 getIt (),
adamc@463 1979 string " : NULL);",
adamc@463 1980 newline,
adamc@463 1981 string "})"]
adamc@463 1982 end
adamc@463 1983
adamc@1112 1984 | EUnurlify (e, t, false) =>
adamc@1112 1985 let
adamc@1112 1986 fun getIt () =
adamc@1112 1987 if isUnboxable t then
adamc@1112 1988 unurlify false env t
adamc@1112 1989 else
adamc@1112 1990 box [string "({",
adamc@1112 1991 newline,
adamc@1112 1992 p_typ env t,
adamc@1112 1993 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@1112 1994 p_typ env t,
adamc@1112 1995 string "));",
adamc@1112 1996 newline,
adamc@1112 1997 string "*tmp = ",
adamc@1112 1998 unurlify false env t,
adamc@1112 1999 string ";",
adamc@1112 2000 newline,
adamc@1112 2001 string "tmp;",
adamc@1112 2002 newline,
adamc@1112 2003 string "})"]
adamc@1112 2004 in
adamc@1112 2005 box [string "({",
adamc@1112 2006 newline,
adamc@1112 2007 string "uw_Basis_string request = uw_maybe_strdup(ctx, ",
adamc@1112 2008 p_exp env e,
adamc@1112 2009 string ");",
adamc@1112 2010 newline,
adamc@1112 2011 newline,
adamc@1112 2012 unurlify false env t,
adamc@1112 2013 string ";",
adamc@1112 2014 newline,
adamc@1112 2015 string "})"]
adamc@1112 2016 end
adamc@1112 2017
adamc@29 2018 and p_exp env = p_exp' false env
adamc@29 2019
adamc@1114 2020 fun p_fun isRec env (fx, n, args, ran, e) =
adamc@129 2021 let
adamc@129 2022 val nargs = length args
adamc@129 2023 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 2024 in
adamc@129 2025 box [string "static",
adamc@129 2026 space,
adamc@129 2027 p_typ env ran,
adamc@129 2028 space,
adamc@316 2029 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 2030 string "(",
adamc@129 2031 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 2032 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 2033 box [p_typ env dom,
adamc@129 2034 space,
adamc@129 2035 p_rel env' (nargs - i - 1)]) args),
adamc@129 2036 string ")",
adamc@129 2037 space,
adamc@129 2038 string "{",
adamc@129 2039 newline,
adamc@1114 2040 if isRec andalso Settings.getDeadlines () then
adamc@1114 2041 box [string "uw_check_deadline(ctx);",
adamc@1114 2042 newline]
adamc@1114 2043 else
adamc@1114 2044 box [],
adamc@638 2045 box [string "return(",
adamc@638 2046 p_exp env' e,
adamc@638 2047 string ");"],
adamc@129 2048 newline,
adamc@129 2049 string "}"]
adamc@129 2050 end
adamc@129 2051
adamc@129 2052 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 2053 case d of
adamc@29 2054 DStruct (n, xts) =>
adamc@196 2055 let
adamc@196 2056 val env = E.declBinds env dAll
adamc@196 2057 in
adamc@196 2058 box [string "struct",
adamc@196 2059 space,
adamc@311 2060 string ("__uws_" ^ Int.toString n),
adamc@196 2061 space,
adamc@196 2062 string "{",
adamc@196 2063 newline,
adamc@196 2064 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 2065 space,
adamc@311 2066 string "__uwf_",
adamc@316 2067 p_ident x,
adamc@196 2068 string ";",
adamc@196 2069 newline]) xts,
adamc@196 2070 string "};"]
adamc@196 2071 end
adamc@809 2072 | DDatatype dts =>
adamc@165 2073 let
adamc@809 2074 val dts = ListMergeSort.sort (fn ((dk1, _, _, _), (dk2, _, _, _)) =>
adamc@809 2075 dk1 = Enum andalso dk2 <> Enum) dts
adamc@809 2076
adamc@809 2077 fun p_one (Enum, x, n, xncs) =
adamc@809 2078 box [string "enum",
adamc@809 2079 space,
adamc@809 2080 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2081 space,
adamc@809 2082 string "{",
adamc@809 2083 space,
adam@1298 2084 case xncs of
adam@1298 2085 [] => string ("__uwec_" ^ ident x ^ "_" ^ Int.toString n)
adam@1298 2086 | _ =>
adam@1298 2087 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adam@1298 2088 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@809 2089 space,
adamc@809 2090 string "};"]
adamc@809 2091 | p_one (Option, _, _, _) = box []
adamc@809 2092 | p_one (Default, x, n, xncs) =
adamc@809 2093 let
adamc@809 2094 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@809 2095 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@809 2096 in
adamc@809 2097 box [string "enum",
adamc@809 2098 space,
adamc@809 2099 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2100 space,
adamc@809 2101 string "{",
adamc@809 2102 space,
adamc@809 2103 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@809 2104 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n))
adamc@809 2105 xncs,
adamc@809 2106 space,
adamc@809 2107 string "};",
adamc@809 2108 newline,
adamc@809 2109 newline,
adamc@809 2110 string "struct",
adamc@809 2111 space,
adamc@809 2112 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2113 space,
adamc@809 2114 string "{",
adamc@809 2115 newline,
adamc@809 2116 string "enum",
adamc@809 2117 space,
adamc@809 2118 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@809 2119 space,
adamc@809 2120 string "tag;",
adamc@809 2121 newline,
adamc@809 2122 box (case xncsArgs of
adamc@809 2123 [] => []
adamc@809 2124 | _ => [string "union",
adamc@809 2125 space,
adamc@809 2126 string "{",
adamc@809 2127 newline,
adamc@809 2128 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@809 2129 space,
adamc@809 2130 string ("uw_" ^ ident x),
adamc@809 2131 string ";"]) xncsArgs,
adamc@809 2132 newline,
adamc@809 2133 string "}",
adamc@809 2134 space,
adamc@809 2135 string "data;",
adamc@809 2136 newline]),
adamc@809 2137 string "};"]
adamc@809 2138 end
adamc@165 2139 in
adamc@809 2140 p_list_sep (box []) p_one dts
adamc@188 2141 end
adamc@29 2142
adamc@196 2143 | DDatatypeForward _ => box []
adamc@196 2144
adamc@29 2145 | DVal (x, n, t, e) =>
adamc@29 2146 box [p_typ env t,
adamc@29 2147 space,
adamc@316 2148 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 2149 space,
adamc@29 2150 string "=",
adamc@29 2151 space,
adamc@29 2152 p_exp env e,
adamc@29 2153 string ";"]
adamc@1114 2154 | DFun vi => p_fun false env vi
adamc@129 2155 | DFunRec vis =>
adamc@29 2156 let
adamc@129 2157 val env = E.declBinds env dAll
adamc@29 2158 in
adamc@129 2159 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 2160 box [string "static",
adamc@129 2161 space,
adamc@129 2162 p_typ env ran,
adamc@129 2163 space,
adamc@316 2164 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 2165 string "(uw_context,",
adamc@129 2166 space,
adamc@129 2167 p_list_sep (box [string ",", space])
adamc@129 2168 (fn (_, dom) => p_typ env dom) args,
adamc@129 2169 string ");"]) vis,
adamc@29 2170 newline,
adamc@1114 2171 p_list_sep newline (p_fun true env) vis,
adamc@129 2172 newline]
adamc@29 2173 end
adamc@707 2174 | DTable (x, _, pk, csts) => box [string "/* SQL table ",
adamc@707 2175 string x,
adamc@707 2176 space,
adamc@707 2177 case pk of
adamc@707 2178 "" => box []
adamc@707 2179 | _ => box [string "keys",
adamc@707 2180 space,
adamc@707 2181 string pk,
adamc@707 2182 space],
adamc@707 2183 string "constraints",
adamc@707 2184 space,
adamc@707 2185 p_list (fn (x, v) => box [string x,
adamc@707 2186 space,
adamc@707 2187 string ":",
adamc@707 2188 space,
adamc@707 2189 string v]) csts,
adamc@707 2190 space,
adamc@707 2191 string " */",
adamc@707 2192 newline]
adamc@338 2193 | DSequence x => box [string "/* SQL sequence ",
adamc@338 2194 string x,
adamc@338 2195 string " */",
adamc@338 2196 newline]
adamc@754 2197 | DView (x, _, s) => box [string "/* SQL view ",
adamc@754 2198 string x,
adamc@754 2199 space,
adamc@754 2200 string "AS",
adamc@754 2201 space,
adamc@754 2202 string s,
adamc@754 2203 space,
adamc@754 2204 string " */",
adamc@754 2205 newline]
adamc@870 2206 | DDatabase _ => box []
adamc@870 2207 | DPreparedStatements _ => box []
adamc@282 2208
adamc@569 2209 | DJavaScript s => box [string "static char jslib[] = \"",
adam@1285 2210 string (String.toCString s),
adamc@569 2211 string "\";"]
adamc@725 2212 | DCookie s => box [string "/*",
adamc@725 2213 space,
adamc@725 2214 string "cookie",
adamc@725 2215 space,
adamc@725 2216 string s,
adamc@725 2217 space,
adamc@725 2218 string "*/"]
adamc@720 2219 | DStyle s => box [string "/*",
adamc@720 2220 space,
adamc@720 2221 string "style",
adamc@720 2222 space,
adamc@720 2223 string s,
adamc@720 2224 space,
adamc@720 2225 string "*/"]
adamc@569 2226
adamc@1075 2227 | DTask _ => box []
adam@1294 2228 | DOnError _ => box []
adamc@1073 2229
adamc@144 2230 datatype 'a search =
adamc@144 2231 Found of 'a
adamc@144 2232 | NotFound
adamc@144 2233 | Error
adamc@120 2234
adamc@467 2235 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2236 case t of
adamc@275 2237 TFfi ("Basis", "int") => "int8"
adamc@275 2238 | TFfi ("Basis", "float") => "float8"
adamc@275 2239 | TFfi ("Basis", "string") => "text"
adamc@275 2240 | TFfi ("Basis", "bool") => "bool"
adamc@438 2241 | TFfi ("Basis", "time") => "timestamp"
adamc@737 2242 | TFfi ("Basis", "blob") => "bytea"
adamc@682 2243 | TFfi ("Basis", "channel") => "int8"
adamc@682 2244 | TFfi ("Basis", "client") => "int4"
adamc@275 2245 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2246 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2247 "ERROR")
adamc@275 2248
adamc@467 2249 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2250 case t of
adamc@467 2251 (TOption t, _) => p_sqltype'' env t
adamc@467 2252 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2253
adamc@275 2254 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2255
adamc@467 2256 fun p_sqltype_base' env t =
adamc@467 2257 case t of
adamc@467 2258 (TOption t, _) => p_sqltype'' env t
adamc@467 2259 | _ => p_sqltype'' env t
adamc@467 2260
adamc@467 2261 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2262
adamc@467 2263 fun is_not_null t =
adamc@467 2264 case t of
adamc@467 2265 (TOption _, _) => false
adamc@467 2266 | _ => true
adamc@467 2267
adamc@734 2268 fun sigName fields =
adamc@734 2269 let
adamc@734 2270 fun inFields s = List.exists (fn (s', _) => s' = s) fields
adamc@734 2271
adamc@734 2272 fun getSigName n =
adamc@734 2273 let
adamc@734 2274 val s = "Sig" ^ Int.toString n
adamc@734 2275 in
adamc@734 2276 if inFields s then
adamc@734 2277 getSigName (n + 1)
adamc@734 2278 else
adamc@734 2279 s
adamc@734 2280 end
adamc@734 2281 in
adamc@734 2282 if inFields "Sig" then
adamc@734 2283 getSigName 0
adamc@734 2284 else
adamc@734 2285 "Sig"
adamc@734 2286 end
adamc@734 2287
adamc@101 2288 fun p_file env (ds, ps) =
adamc@29 2289 let
adamc@101 2290 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2291 (p_decl env d,
adamc@638 2292 E.declBinds env d))
adamc@101 2293 env ds
adamc@144 2294
adamc@779 2295 fun flatFields always (t : typ) =
adamc@756 2296 case #1 t of
adamc@756 2297 TRecord i =>
adamc@756 2298 let
adamc@756 2299 val xts = E.lookupStruct env i
adamc@756 2300 in
adamc@779 2301 SOME ((always @ map #1 xts) :: List.concat (List.mapPartial (flatFields [] o #2) xts))
adamc@756 2302 end
adamc@759 2303 | TList (_, i) =>
adamc@759 2304 let
adamc@759 2305 val ts = E.lookupStruct env i
adamc@759 2306 in
adamc@759 2307 case ts of
adamc@779 2308 [("1", t'), ("2", _)] => flatFields [] t'
adamc@759 2309 | _ => raise Fail "CjrPrint: Bad struct for TList"
adamc@759 2310 end
adamc@756 2311 | _ => NONE
adamc@756 2312
adamc@1104 2313 val fields = foldl (fn ((ek, _, _, ts, _, _, _), fields) =>
adamc@144 2314 case ek of
adam@1347 2315 Action eff =>
adam@1347 2316 (case List.nth (ts, length ts - 2) of
adam@1347 2317 (TRecord i, loc) =>
adam@1347 2318 let
adam@1347 2319 val xts = E.lookupStruct env i
adam@1347 2320 val extra = case eff of
adam@1347 2321 ReadCookieWrite => [sigName xts]
adam@1347 2322 | _ => []
adam@1347 2323 in
adam@1347 2324 case flatFields extra (TRecord i, loc) of
adam@1347 2325 NONE => raise Fail "CjrPrint: flatFields impossible"
adam@1347 2326 | SOME fields' => List.revAppend (fields', fields)
adam@1347 2327 end
adam@1347 2328 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adam@1347 2329 | _ => fields)
adamc@756 2330 [] ps
adamc@756 2331
adamc@756 2332 val fields = foldl (fn (xts, fields) =>
adamc@756 2333 let
adamc@756 2334 val xtsSet = SS.addList (SS.empty, xts)
adamc@756 2335 in
adamc@756 2336 foldl (fn (x, fields) =>
adamc@756 2337 let
adamc@756 2338 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@756 2339 in
adamc@756 2340 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@756 2341 xtsSet'))
adamc@756 2342 end) fields xts
adamc@756 2343 end)
adamc@756 2344 SM.empty fields
adamc@144 2345
adamc@144 2346 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2347 let
adamc@144 2348 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2349 case SM.find (fnums, x') of
adamc@144 2350 NONE => unusable
adamc@144 2351 | SOME n => IS.add (unusable, n))
adamc@144 2352 IS.empty xs
adamc@144 2353
adamc@144 2354 fun findAvailable n =
adamc@144 2355 if IS.member (unusable, n) then
adamc@144 2356 findAvailable (n + 1)
adamc@144 2357 else
adamc@144 2358 n
adamc@144 2359 in
adamc@144 2360 SM.insert (fnums, x, findAvailable 0)
adamc@144 2361 end)
adamc@144 2362 SM.empty fields
adamc@144 2363
adamc@734 2364 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2365
adamc@144 2366 fun makeSwitch (fnums, i) =
adamc@144 2367 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2368 | (n, Error) => Error
adamc@144 2369 | (n, Found n') => if n = n' then
adamc@144 2370 Found n'
adamc@144 2371 else
adamc@144 2372 Error) NotFound fnums of
adamc@144 2373 NotFound => box [string "return",
adamc@144 2374 space,
adamc@144 2375 string "-1;"]
adamc@144 2376 | Found n => box [string "return",
adamc@144 2377 space,
adamc@144 2378 string (Int.toString n),
adamc@144 2379 string ";"]
adamc@144 2380 | Error =>
adamc@144 2381 let
adamc@144 2382 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2383 let
adamc@144 2384 val ch = if i < size x then
adamc@144 2385 String.sub (x, i)
adamc@144 2386 else
adamc@144 2387 chr 0
adamc@144 2388
adamc@144 2389 val fnums = case CM.find (cmap, ch) of
adamc@144 2390 NONE => SM.empty
adamc@144 2391 | SOME fnums => fnums
adamc@144 2392 val fnums = SM.insert (fnums, x, n)
adamc@144 2393 in
adamc@144 2394 CM.insert (cmap, ch, fnums)
adamc@144 2395 end)
adamc@144 2396 CM.empty fnums
adamc@144 2397
adamc@144 2398 val cmap = CM.listItemsi cmap
adamc@144 2399 in
adamc@144 2400 case cmap of
adamc@144 2401 [(_, fnums)] =>
adamc@144 2402 box [string "if",
adamc@144 2403 space,
adamc@144 2404 string "(name[",
adamc@144 2405 string (Int.toString i),
adamc@144 2406 string "]",
adamc@144 2407 space,
adamc@144 2408 string "==",
adamc@144 2409 space,
adamc@144 2410 string "0)",
adamc@144 2411 space,
adamc@144 2412 string "return",
adamc@144 2413 space,
adamc@144 2414 string "-1;",
adamc@144 2415 newline,
adamc@144 2416 makeSwitch (fnums, i+1)]
adamc@144 2417 | _ =>
adamc@144 2418 box [string "switch",
adamc@144 2419 space,
adamc@144 2420 string "(name[",
adamc@144 2421 string (Int.toString i),
adamc@144 2422 string "])",
adamc@144 2423 space,
adamc@144 2424 string "{",
adamc@144 2425 newline,
adamc@144 2426 box (map (fn (ch, fnums) =>
adamc@144 2427 box [string "case",
adamc@144 2428 space,
adamc@144 2429 if ch = chr 0 then
adamc@144 2430 string "0:"
adamc@144 2431 else
adamc@144 2432 box [string "'",
adamc@144 2433 string (Char.toString ch),
adamc@144 2434 string "':"],
adamc@144 2435 newline,
adamc@144 2436 makeSwitch (fnums, i+1),
adamc@144 2437 newline]) cmap),
adamc@144 2438 string "default:",
adamc@144 2439 newline,
adamc@144 2440 string "return",
adamc@144 2441 space,
adamc@144 2442 string "-1;",
adamc@144 2443 newline,
adamc@144 2444 string "}"]
adamc@144 2445 end
adamc@144 2446
adamc@756 2447 fun getInput (x, t) =
adamc@756 2448 let
adamc@756 2449 val n = case SM.find (fnums, x) of
adamc@759 2450 NONE => raise Fail ("CjrPrint: Can't find " ^ x ^ " in fnums")
adamc@756 2451 | SOME n => n
adamc@756 2452
adamc@756 2453 val f = case t of
adamc@756 2454 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@756 2455 | _ => ""
adamc@756 2456 in
adamc@756 2457 if isFile t then
adamc@756 2458 box [string "uw_input_",
adamc@756 2459 p_ident x,
adamc@756 2460 space,
adamc@756 2461 string "=",
adamc@756 2462 space,
adamc@756 2463 string "uw_get_file_input(ctx, ",
adamc@756 2464 string (Int.toString n),
adamc@756 2465 string ");",
adamc@756 2466 newline]
adamc@756 2467 else case #1 t of
adamc@756 2468 TRecord i =>
adamc@756 2469 let
adamc@756 2470 val xts = E.lookupStruct env i
adamc@756 2471 in
adamc@756 2472 box [string "uw_enter_subform(ctx, ",
adamc@756 2473 string (Int.toString n),
adamc@756 2474 string ");",
adamc@756 2475 newline,
adamc@756 2476 string "uw_input_",
adamc@756 2477 p_ident x,
adamc@756 2478 space,
adamc@756 2479 string "=",
adamc@756 2480 space,
adamc@756 2481 string "({",
adamc@756 2482 box [p_typ env t,
adamc@756 2483 space,
adamc@756 2484 string "result;",
adamc@756 2485 newline,
adamc@756 2486 p_list_sep (box [])
adamc@756 2487 (fn (x, t) =>
adamc@756 2488 box [p_typ env t,
adamc@756 2489 space,
adamc@756 2490 string "uw_input_",
adamc@756 2491 string x,
adamc@756 2492 string ";",
adamc@756 2493 newline])
adamc@756 2494 xts,
adamc@756 2495 newline,
adamc@756 2496 p_list_sep (box []) (fn (x, t) =>
adamc@756 2497 box [getInput (x, t),
adamc@756 2498 string "result.__uwf_",
adamc@756 2499 string x,
adamc@756 2500 space,
adamc@756 2501 string "=",
adamc@756 2502 space,
adamc@756 2503 string "uw_input_",
adamc@756 2504 string x,
adamc@756 2505 string ";",
adamc@756 2506 newline])
adamc@756 2507 xts,
adamc@756 2508 newline,
adamc@756 2509 string "result;",
adamc@756 2510 newline],
adamc@756 2511 string "});",
adamc@756 2512 newline,
adamc@756 2513 string "uw_leave_subform(ctx);"]
adamc@756 2514 end
adamc@759 2515 | TList (t', i) =>
adamc@759 2516 let
adamc@759 2517 val xts = E.lookupStruct env i
adamc@759 2518 val i' = case xts of
adamc@759 2519 [("1", (TRecord i', loc)), ("2", _)] => i'
adamc@759 2520 | _ => raise Fail "CjrPrint: Bad TList record [2]"
adamc@759 2521 val xts = E.lookupStruct env i'
adamc@759 2522 in
adamc@759 2523 box [string "{",
adamc@759 2524 newline,
adamc@759 2525 string "int status;",
adamc@759 2526 newline,
adamc@759 2527 string "uw_input_",
adamc@759 2528 p_ident x,
adamc@759 2529 space,
adamc@759 2530 string "=",
adamc@759 2531 space,
adamc@759 2532 string "NULL;",
adamc@759 2533 newline,
adamc@759 2534 string "for (status = uw_enter_subforms(ctx, ",
adamc@759 2535 string (Int.toString n),
adamc@759 2536 string "); status; status = uw_next_entry(ctx)) {",
adamc@759 2537 newline,
adamc@759 2538 box [p_typ env t,
adamc@759 2539 space,
adamc@759 2540 string "result",
adamc@759 2541 space,
adamc@759 2542 string "=",
adamc@759 2543 space,
adamc@759 2544 string "uw_malloc(ctx, sizeof(struct __uws_",
adamc@759 2545 string (Int.toString i),
adamc@759 2546 string "));",
adamc@759 2547 newline,
adamc@759 2548 box [string "{",
adamc@759 2549 p_list_sep (box [])
adamc@759 2550 (fn (x, t) =>
adamc@759 2551 box [p_typ env t,
adamc@759 2552 space,
adamc@759 2553 string "uw_input_",
adamc@759 2554 string x,
adamc@759 2555 string ";",
adamc@759 2556 newline])
adamc@759 2557 xts,
adamc@759 2558 newline,
adamc@759 2559 p_list_sep (box []) (fn (x, t) =>
adamc@759 2560 box [getInput (x, t),
adamc@759 2561 string "result->__uwf_1.__uwf_",
adamc@759 2562 string x,
adamc@759 2563 space,
adamc@759 2564 string "=",
adamc@759 2565 space,
adamc@759 2566 string "uw_input_",
adamc@759 2567 string x,
adamc@759 2568 string ";",
adamc@759 2569 newline])
adamc@759 2570 xts,
adamc@759 2571 string "}",
adamc@759 2572 newline],
adamc@759 2573 newline,
adamc@759 2574 string "result->__uwf_2 = uw_input_",
adamc@759 2575 p_ident x,
adamc@759 2576 string ";",
adamc@759 2577 newline,
adamc@759 2578 string "uw_input_",
adamc@759 2579 p_ident x,
adamc@759 2580 string " = result;",
adamc@759 2581 newline],
adamc@759 2582 string "}}",
adamc@759 2583 newline]
adamc@759 2584 end
adamc@756 2585 | _ =>
adamc@756 2586 box [string "request = uw_get_",
adamc@756 2587 string f,
adamc@756 2588 string "input(ctx, ",
adamc@756 2589 string (Int.toString n),
adamc@756 2590 string ");",
adamc@756 2591 newline,
adamc@756 2592 string "if (request == NULL)",
adamc@756 2593 newline,
adamc@756 2594 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@756 2595 string x,
adamc@756 2596 string "\");"],
adamc@756 2597 newline,
adamc@756 2598 string "uw_input_",
adamc@756 2599 p_ident x,
adamc@756 2600 space,
adamc@756 2601 string "=",
adamc@756 2602 space,
adamc@1023 2603 unurlify true env t,
adamc@756 2604 string ";",
adamc@756 2605 newline]
adamc@756 2606 end
adamc@756 2607
adamc@1104 2608 fun p_page (ek, s, n, ts, ran, side, tellSig) =
adamc@144 2609 let
adamc@734 2610 val (ts, defInputs, inputsVar, fields) =
adamc@144 2611 case ek of
adam@1347 2612 Core.Action _ =>
adam@1347 2613 (case List.nth (ts, length ts - 2) of
adam@1347 2614 (TRecord i, _) =>
adam@1347 2615 let
adam@1347 2616 val xts = E.lookupStruct env i
adam@1347 2617 in
adam@1347 2618 (List.take (ts, length ts - 2),
adam@1347 2619 box [box (map (fn (x, t) => box [p_typ env t,
adam@1347 2620 space,
adam@1347 2621 string "uw_input_",
adam@1347 2622 p_ident x,
adam@1347 2623 string ";",
adam@1347 2624 newline]) xts),
adam@1347 2625 newline,
adam@1347 2626 box (map getInput xts),
adam@1347 2627 string "struct __uws_",
adam@1347 2628 string (Int.toString i),
adam@1347 2629 space,
adam@1347 2630 string "uw_inputs",
adam@1347 2631 space,
adam@1347 2632 string "= {",
adam@1347 2633 newline,
adam@1347 2634 box (map (fn (x, _) => box [string "uw_input_",
adam@1347 2635 p_ident x,
adam@1347 2636 string ",",
adam@1347 2637 newline]) xts),
adam@1347 2638 string "};",
adam@1347 2639 newline],
adam@1347 2640 box [string ",",
adam@1347 2641 space,
adam@1347 2642 string "uw_inputs"],
adam@1347 2643 SOME xts)
adam@1347 2644 end
adamc@144 2645
adam@1347 2646 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record")
adam@1347 2647 | _ => (List.take (ts, length ts - 1), string "", string "", NONE)
adamc@734 2648
adamc@734 2649 fun couldWrite ek =
adamc@734 2650 case ek of
adamc@734 2651 Link => false
adamc@735 2652 | Action ef => ef = ReadCookieWrite
adamc@735 2653 | Rpc ef => ef = ReadCookieWrite
adam@1384 2654 | Extern _ => false
adamc@863 2655
adamc@863 2656 val s =
adamc@863 2657 case Settings.getUrlPrefix () of
adamc@863 2658 "" => s
adamc@863 2659 | "/" => s
adamc@863 2660 | prefix =>
adamc@863 2661 if size s > 0 andalso String.sub (s, 0) = #"/" then
adamc@863 2662 prefix ^ String.extract (s, 1, NONE)
adamc@863 2663 else
adamc@863 2664 prefix ^ s
adamc@144 2665 in
adamc@735 2666 box [string "if (!strncmp(request, \"",
adam@1285 2667 string (String.toCString s),
adamc@735 2668 string "\", ",
adamc@735 2669 string (Int.toString (size s)),
adamc@735 2670 string ") && (request[",
adamc@735 2671 string (Int.toString (size s)),
adamc@735 2672 string "] == 0 || request[",
adamc@735 2673 string (Int.toString (size s)),
adamc@735 2674 string "] == '/')) {",
adamc@735 2675 newline,
adamc@735 2676 string "request += ",
adamc@735 2677 string (Int.toString (size s)),
adamc@735 2678 string ";",
adamc@735 2679 newline,
adamc@735 2680 string "if (*request == '/') ++request;",
adamc@735 2681 newline,
adamc@735 2682 if couldWrite ek then
adamc@734 2683 box [string "{",
adamc@734 2684 newline,
adamc@734 2685 string "uw_Basis_string sig = ",
adamc@734 2686 case fields of
adamc@734 2687 NONE => string "uw_Basis_requestHeader(ctx, \"UrWeb-Sig\")"
adamc@734 2688 | SOME fields =>
adamc@734 2689 case SM.find (fnums, sigName fields) of
adamc@734 2690 NONE => raise Fail "CjrPrint: sig name wasn't assigned a number"
adamc@734 2691 | SOME inum =>
adamc@734 2692 string ("uw_get_input(ctx, " ^ Int.toString inum ^ ")"),
adamc@734 2693 string ";",
adamc@734 2694 newline,
adamc@734 2695 string "if (sig == NULL) uw_error(ctx, FATAL, \"Missing cookie signature\");",
adamc@734 2696 newline,
adamc@734 2697 string "if (strcmp(sig, uw_cookie_sig(ctx)))",
adamc@734 2698 newline,
adamc@734 2699 box [string "uw_error(ctx, FATAL, \"Wrong cookie signature\");",
adamc@734 2700 newline],
adamc@734 2701 string "}",
adamc@734 2702 newline]
adamc@734 2703 else
adamc@734 2704 box [],
adamc@609 2705 box (case ek of
adamc@731 2706 Core.Rpc _ => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@731 2707 newline]
adamc@609 2708 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2709 newline,
adamc@609 2710 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2711 newline,
adamc@804 2712 string "uw_write(ctx, begin_xhtml);",
adamc@643 2713 newline,
adamc@643 2714 string "uw_set_script_header(ctx, \"",
adamc@812 2715 let
adamc@812 2716 val scripts =
adamc@812 2717 case side of
adamc@693 2718 ServerOnly => ""
adamc@1111 2719 | _ =>
adamc@1111 2720 let
adamc@1111 2721 val scripts =
adamc@1111 2722 "<script src=\\\""
adamc@1111 2723 ^ OS.Path.joinDirFile {dir = Settings.getUrlPrefix (),
adamc@1111 2724 file = "app.js"}
adamc@1111 2725 ^ "\\\"></script>\\n"
adamc@1111 2726 in
adamc@1111 2727 foldl (fn (x, scripts) =>
adamc@1111 2728 scripts
adamc@1111 2729 ^ "<script src=\\\"" ^ x ^ "\\\"></script>\\n")
adamc@1111 2730 scripts (Settings.getScripts ())
adamc@1111 2731 end
adamc@812 2732 in
adamc@812 2733 string scripts
adamc@812 2734 end,
adamc@643 2735 string "\");",
adamc@609 2736 newline]),
adamc@1038 2737 string "uw_set_needs_push(ctx, ",
adamc@1038 2738 string (case side of
adamc@1038 2739 ServerAndPullAndPush => "1"
adamc@1038 2740 | _ => "0"),
adamc@1038 2741 string ");",
adamc@1038 2742 newline,
adamc@736 2743 string "uw_set_needs_sig(ctx, ",
adamc@1104 2744 string (if tellSig then
adamc@736 2745 "1"
adamc@736 2746 else
adamc@736 2747 "0"),
adamc@736 2748 string ");",
adamc@736 2749 newline,
adamc@682 2750 string "uw_login(ctx);",
adamc@682 2751 newline,
adamc@144 2752 box [string "{",
adamc@144 2753 newline,
adamc@144 2754 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2755 space,
adamc@144 2756 string "arg",
adamc@144 2757 string (Int.toString i),
adamc@144 2758 space,
adamc@144 2759 string "=",
adamc@144 2760 space,
adam@1347 2761 case #1 t of
adam@1347 2762 TFfi ("Basis", "postBody") => string "uw_getPostBody(ctx)"
adam@1370 2763 | TOption (TFfi ("Basis", "queryString"), _) => string "uw_queryString(ctx)"
adam@1347 2764 | _ => unurlify false env t,
adamc@144 2765 string ";",
adamc@144 2766 newline]) ts),
adamc@144 2767 defInputs,
adamc@609 2768 box (case ek of
adamc@731 2769 Core.Rpc _ => [p_typ env ran,
adamc@731 2770 space,
adamc@731 2771 string "it0",
adamc@731 2772 space,
adamc@731 2773 string "=",
adamc@731 2774 space]
adamc@609 2775 | _ => []),
adamc@144 2776 p_enamed env n,
adamc@144 2777 string "(",
adamc@144 2778 p_list_sep (box [string ",", space])
adamc@144 2779 (fn x => x)
adamc@272 2780 (string "ctx"
adamc@280 2781 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2782 inputsVar,
adamc@311 2783 string ", uw_unit_v);",
adamc@144 2784 newline,
adamc@609 2785 box (case ek of
adamc@731 2786 Core.Rpc _ => [urlify env ran]
adamc@609 2787 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2788 newline]),
adamc@144 2789 string "return;",
adamc@144 2790 newline,
adamc@144 2791 string "}",
adamc@144 2792 newline,
adamc@144 2793 string "}"]
adamc@144 2794 ]
adamc@144 2795 end
adamc@144 2796
adamc@144 2797 val pds' = map p_page ps
adamc@275 2798
adamc@870 2799 val hasDb = ref false
adamc@870 2800 val tables = ref []
adamc@872 2801 val views = ref []
adamc@870 2802 val sequences = ref []
adamc@870 2803 val dbstring = ref ""
adamc@870 2804 val expunge = ref 0
adamc@870 2805 val initialize = ref 0
adamc@870 2806 val prepped = ref []
adamc@275 2807
adamc@870 2808 val () = app (fn d =>
adamc@870 2809 case #1 d of
adamc@870 2810 DDatabase {name = x, expunge = y, initialize = z} => (hasDb := true;
adamc@870 2811 dbstring := x;
adamc@870 2812 expunge := y;
adamc@870 2813 initialize := z)
adamc@870 2814 | DTable (s, xts, _, _) => tables := (s, map (fn (x, t) =>
adamc@870 2815 (x, sql_type_in env t)) xts) :: !tables
adamc@872 2816 | DView (s, xts, _) => views := (s, map (fn (x, t) =>
adamc@872 2817 (x, sql_type_in env t)) xts) :: !views
adamc@870 2818 | DSequence s => sequences := s :: !sequences
adamc@870 2819 | DPreparedStatements ss => prepped := ss
adamc@870 2820 | _ => ()) ds
adamc@377 2821
adam@1381 2822 val hasDb = !hasDb
adam@1381 2823
adam@1381 2824 fun expDb (e, _) =
adam@1381 2825 case e of
adam@1381 2826 ECon (_, _, SOME e) => expDb e
adam@1381 2827 | ESome (_, e) => expDb e
adam@1381 2828 | EFfiApp (_, _, es) => List.exists expDb es
adam@1381 2829 | EApp (e, es) => expDb e orelse List.exists expDb es
adam@1381 2830 | EUnop (_, e) => expDb e
adam@1381 2831 | EBinop (_, e1, e2) => expDb e1 orelse expDb e2
adam@1381 2832 | ERecord (_, xes) => List.exists (expDb o #2) xes
adam@1381 2833 | EField (e, _) => expDb e
adam@1381 2834 | ECase (e, pes, _) => expDb e orelse List.exists (expDb o #2) pes
adam@1381 2835 | EError (e, _) => expDb e
adam@1381 2836 | EReturnBlob {blob = e1, mimeType = e2, ...} => expDb e1 orelse expDb e2
adam@1381 2837 | ERedirect (e, _) => expDb e
adam@1381 2838 | EWrite e => expDb e
adam@1381 2839 | ESeq (e1, e2) => expDb e1 orelse expDb e2
adam@1381 2840 | ELet (_, _, e1, e2) => expDb e1 orelse expDb e2
adam@1381 2841 | EQuery _ => true
adam@1381 2842 | EDml _ => true
adam@1381 2843 | ENextval _ => true
adam@1381 2844 | ESetval _ => true
adam@1381 2845 | EUnurlify (e, _, _) => expDb e
adam@1381 2846 | _ => false
adam@1381 2847
adam@1381 2848 fun declDb (d, _) =
adam@1381 2849 case d of
adam@1381 2850 DVal (_, _, _, e) => expDb e
adam@1381 2851 | DFun (_, _, _, _, e) => expDb e
adam@1381 2852 | DFunRec vis => List.exists (expDb o #5) vis
adam@1381 2853 | _ => false
adam@1381 2854
adam@1381 2855 val () = if not hasDb andalso List.exists declDb ds then
adam@1381 2856 ErrorMsg.error "Application uses a database but has none configured with 'database' in .urp file."
adam@1381 2857 else
adam@1381 2858 ()
adamc@734 2859
adamc@734 2860 val cookies = List.mapPartial (fn (DCookie s, _) => SOME s | _ => NONE) ds
adamc@734 2861
adamc@734 2862 val cookieCode = foldl (fn (cookie, acc) =>
adamc@734 2863 SOME (case acc of
adamc@734 2864 NONE => string ("uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 2865 ^ cookie ^ "\"))")
adamc@734 2866 | SOME acc => box [string ("uw_Basis_strcat(ctx, uw_unnull(uw_Basis_get_cookie(ctx, \""
adamc@734 2867 ^ cookie ^ "\")), uw_Basis_strcat(ctx, \"/\", "),
adamc@734 2868 acc,
adamc@734 2869 string "))"]))
adamc@734 2870 NONE cookies
adamc@770 2871
adamc@770 2872 fun makeChecker (name, rules : Settings.rule list) =
adamc@1094 2873 box [string "static int ",
adamc@770 2874 string name,
adamc@770 2875 string "(const char *s) {",
adamc@770 2876 newline,
adamc@770 2877 box [p_list_sep (box [])
adamc@770 2878 (fn rule =>
adamc@770 2879 box [string "if (!str",
adamc@770 2880 case #kind rule of
adamc@770 2881 Settings.Exact => box [string "cmp(s, \"",
adam@1285 2882 string (String.toCString (#pattern rule)),
adamc@770 2883 string "\"))"]
adamc@770 2884 | Settings.Prefix => box [string "ncmp(s, \"",
adam@1285 2885 string (String.toCString (#pattern rule)),
adamc@770 2886 string "\", ",
adamc@770 2887 string (Int.toString (size (#pattern rule))),
adamc@770 2888 string "))"],
adamc@770 2889 string " return ",
adamc@770 2890 string (case #action rule of
adamc@770 2891 Settings.Allow => "1"
adamc@770 2892 | Settings.Deny => "0"),
adamc@770 2893 string ";",
adamc@770 2894 newline]) rules,
adamc@770 2895 string "return 0;",
adamc@770 2896 newline],
adamc@770 2897 string "}",
adamc@770 2898 newline]
adamc@1073 2899
adam@1348 2900 val initializers = List.mapPartial (fn (DTask (Initialize, x1, x2, e), _) => SOME (x1, x2, e) | _ => NONE) ds
adam@1348 2901 val expungers = List.mapPartial (fn (DTask (ClientLeaves, x1, x2, e), _) => SOME (x1, x2, e) | _ => NONE) ds
adam@1349 2902 val periodics = List.mapPartial (fn (DTask (Periodic n, x1, x2, e), _) => SOME (n, x1, x2, e) | _ => NONE) ds
adamc@1263 2903
adam@1294 2904 val onError = ListUtil.search (fn (DOnError n, _) => SOME n | _ => NONE) ds
adam@1294 2905
adamc@1263 2906 val now = Time.now ()
adamc@1263 2907 val nowD = Date.fromTimeUniv now
adamc@1263 2908 val rfcFmt = "%a, %d %b %Y %H:%M:%S"
adamc@29 2909 in
adamc@1263 2910 box [string "#include \"",
adamc@1263 2911 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@1263 2912 file = "config.h"}),
adamc@1263 2913 string "\"",
adamc@1263 2914 newline,
adamc@1263 2915 string "#include <stdio.h>",
adamc@144 2916 newline,
adamc@144 2917 string "#include <stdlib.h>",
adamc@144 2918 newline,
adamc@272 2919 string "#include <string.h>",
adamc@272 2920 newline,
adamc@390 2921 string "#include <math.h>",
adamc@390 2922 newline,
adamc@1263 2923 string "#include <time.h>",
adamc@1263 2924 newline,
adamc@432 2925 if hasDb then
adamc@866 2926 box [string ("#include <" ^ #header (Settings.currentDbms ()) ^ ">"),
adamc@432 2927 newline]
adamc@432 2928 else
adamc@432 2929 box [],
adamc@764 2930 p_list_sep (box []) (fn s => box [string "#include \"",
adamc@764 2931 string s,
adamc@764 2932 string "\"",
adamc@764 2933 newline]) (Settings.getHeaders ()),
adamc@378 2934 string "#include \"",
adamc@378 2935 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2936 file = "urweb.h"}),
adamc@378 2937 string "\"",
adamc@101 2938 newline,
adamc@101 2939 newline,
adamc@804 2940
adam@1307 2941 box [string "static void uw_setup_limits() {",
adam@1307 2942 newline,
adam@1332 2943 case Settings.getMinHeap () of
adam@1332 2944 0 => box []
adam@1332 2945 | n => box [string "uw_min_heap",
adam@1332 2946 space,
adam@1332 2947 string "=",
adam@1332 2948 space,
adam@1332 2949 string (Int.toString n),
adam@1332 2950 string ";",
adam@1332 2951 newline,
adam@1332 2952 newline],
adam@1307 2953 box [p_list_sep (box []) (fn (class, num) =>
adam@1307 2954 let
adam@1307 2955 val num = case class of
adam@1307 2956 "page" => Int.max (2048, num)
adam@1307 2957 | _ => num
adam@1307 2958 in
adam@1307 2959 box [string ("uw_" ^ class ^ "_max"),
adam@1307 2960 space,
adam@1307 2961 string "=",
adam@1307 2962 space,
adam@1307 2963 string (Int.toString num),
adam@1307 2964 string ";",
adam@1307 2965 newline]
adam@1307 2966 end) (Settings.limits ())],
adam@1307 2967 string "}",
adam@1307 2968 newline,
adam@1307 2969 newline],
adam@1307 2970
adamc@1164 2971 #code (Settings.currentProtocol ()) (),
adamc@1164 2972
adamc@870 2973 if hasDb then
adamc@870 2974 #init (Settings.currentDbms ()) {dbstring = !dbstring,
adamc@870 2975 prepared = !prepped,
adamc@870 2976 tables = !tables,
adamc@872 2977 views = !views,
adamc@870 2978 sequences = !sequences}
adamc@870 2979 else
adam@1307 2980 box [string "static void uw_client_init(void) { };",
adamc@891 2981 newline,
adam@1307 2982 string "static void uw_db_init(uw_context ctx) { };",
adamc@870 2983 newline,
adam@1307 2984 string "static int uw_db_begin(uw_context ctx) { return 0; };",
adamc@870 2985 newline,
adam@1307 2986 string "static void uw_db_close(uw_context ctx) { };",
adamc@1094 2987 newline,
adam@1307 2988 string "static int uw_db_commit(uw_context ctx) { return 0; };",
adamc@870 2989 newline,
adam@1307 2990 string "static int uw_db_rollback(uw_context ctx) { return 0; };"],
adamc@870 2991 newline,
adamc@870 2992 newline,
adamc@870 2993
adam@1407 2994 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\\\">\";",
adam@1407 2995 newline,
adam@1407 2996 newline,
adam@1407 2997
adam@1407 2998 p_list_sep newline (fn x => x) pds,
adam@1407 2999 newline,
adam@1407 3000 newline,
adam@1407 3001 string "static int uw_input_num(const char *name) {",
adam@1407 3002 newline,
adam@1407 3003 makeSwitch (fnums, 0),
adam@1407 3004 string "}",
adam@1407 3005 newline,
adam@1407 3006 newline,
adam@1407 3007
adam@1349 3008 box (ListUtil.mapi (fn (i, (_, x1, x2, e)) =>
adam@1349 3009 box [string "static void uw_periodic",
adam@1349 3010 string (Int.toString i),
adam@1349 3011 string "(uw_context ctx) {",
adam@1349 3012 newline,
adam@1349 3013 box [string "uw_unit __uwr_",
adam@1349 3014 string x1,
adam@1349 3015 string "_0 = uw_unit_v, __uwr_",
adam@1349 3016 string x2,
adam@1349 3017 string "_1 = uw_unit_v;",
adam@1349 3018 newline,
adam@1349 3019 p_exp (E.pushERel (E.pushERel env x1 dummyt) x2 dummyt) e,
adam@1349 3020 string ";",
adam@1349 3021 newline],
adam@1349 3022 string "}",
adam@1349 3023 newline,
adam@1349 3024 newline]) periodics),
adam@1349 3025
adam@1349 3026 string "static uw_periodic my_periodics[] = {",
adam@1349 3027 box (ListUtil.mapi (fn (i, (n, _, _, _)) =>
adam@1349 3028 box [string "{uw_periodic",
adam@1349 3029 string (Int.toString i),
adam@1349 3030 string ",",
adam@1349 3031 space,
adam@1349 3032 string (Int64.toString n),
adam@1349 3033 string "},"]) periodics),
adam@1349 3034 string "{NULL}};",
adam@1349 3035 newline,
adam@1349 3036 newline,
adam@1349 3037
adamc@770 3038 makeChecker ("uw_check_url", Settings.getUrlRules ()),
adamc@770 3039 newline,
adamc@770 3040
adamc@770 3041 makeChecker ("uw_check_mime", Settings.getMimeRules ()),
adamc@770 3042 newline,
adamc@734 3043
adamc@734 3044 string "extern void uw_sign(const char *in, char *out);",
adamc@734 3045 newline,
adamc@734 3046 string "extern int uw_hash_blocksize;",
adamc@734 3047 newline,
adamc@1094 3048 string "static uw_Basis_string uw_cookie_sig(uw_context ctx) {",
adamc@734 3049 newline,
adamc@734 3050 box [string "uw_Basis_string r = uw_malloc(ctx, uw_hash_blocksize);",
adamc@734 3051 newline,
adamc@734 3052 string "uw_sign(",
adamc@734 3053 case cookieCode of
adamc@734 3054 NONE => string "\"\""
adamc@734 3055 | SOME code => code,
adamc@734 3056 string ", r);",
adamc@734 3057 newline,
adamc@734 3058 string "return uw_Basis_makeSigString(ctx, r);",
adamc@734 3059 newline],
adamc@734 3060 string "}",
adamc@734 3061 newline,
adamc@734 3062 newline,
adamc@734 3063
adamc@1094 3064 string "static void uw_handle(uw_context ctx, char *request) {",
adamc@101 3065 newline,
adamc@863 3066 string "if (!strcmp(request, \"",
adamc@863 3067 string (OS.Path.joinDirFile {dir = Settings.getUrlPrefix (),
adamc@863 3068 file = "app.js"}),
adamc@863 3069 string "\")) {",
adamc@569 3070 newline,
adamc@1263 3071 box [string "uw_Basis_string ims = uw_Basis_requestHeader(ctx, \"If-modified-since\");",
adamc@1263 3072 newline,
adamc@1263 3073 string ("if (ims && !strcmp(ims, \"" ^ Date.fmt rfcFmt nowD ^ "\")) {"),
adamc@1263 3074 newline,
adamc@1263 3075 box [string "uw_clear_headers(ctx);",
adamc@1263 3076 newline,
adam@1320 3077 string "uw_write_header(ctx, uw_supports_direct_status ? \"HTTP/1.1 304 Not Modified\\r\\n\" : \"Status: 304 Not Modified\\r\\n\");",
adamc@1263 3078 newline,
adamc@1263 3079 string "return;",
adamc@1263 3080 newline],
adamc@1263 3081 string "}",
adamc@1263 3082 newline,
adamc@1263 3083 newline,
adamc@1263 3084 string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@1263 3085 newline,
adamc@1263 3086 string ("uw_write_header(ctx, \"Last-modified: " ^ Date.fmt rfcFmt nowD ^ "\\r\\n\");"),
adamc@569 3087 newline,
adamc@569 3088 string "uw_write(ctx, jslib);",
adamc@569 3089 newline,
adamc@569 3090 string "return;",
adamc@569 3091 newline],
adamc@569 3092 string "}",
adamc@569 3093 newline,
adamc@101 3094 p_list_sep newline (fn x => x) pds',
adamc@101 3095 newline,
adamc@1110 3096 string "uw_clear_headers(ctx);",
adamc@1110 3097 newline,
adamc@1110 3098 string "uw_write_header(ctx, \"HTTP/1.1 404 Not Found\\r\\nContent-type: text/plain\\r\\n\");",
adamc@1110 3099 newline,
adamc@1110 3100 string "uw_write(ctx, \"Not Found\");",
adamc@387 3101 newline,
adamc@101 3102 string "}",
adamc@275 3103 newline,
adamc@275 3104 newline,
adamc@870 3105
adam@1348 3106 box [string "static void uw_expunger(uw_context ctx, uw_Basis_client cli) {",
adam@1348 3107 newline,
adam@1348 3108
adam@1348 3109 p_list_sep (box []) (fn (x1, x2, e) => box [string "({",
adam@1348 3110 newline,
adam@1348 3111 string "uw_Basis_client __uwr_",
adam@1348 3112 string x1,
adam@1348 3113 string "_0 = cli;",
adam@1348 3114 newline,
adam@1348 3115 string "uw_unit __uwr_",
adam@1348 3116 string x2,
adam@1348 3117 string "_1 = uw_unit_v;",
adam@1348 3118 newline,
adam@1348 3119 p_exp (E.pushERel (E.pushERel env x1 (TFfi ("Basis", "client"), ErrorMsg.dummySpan))
adam@1348 3120 x2 dummyt) e,
adam@1348 3121 string ";",
adam@1348 3122 newline,
adam@1348 3123 string "});",
adam@1348 3124 newline]) expungers,
adam@1348 3125
adam@1348 3126 if hasDb then
adamc@870 3127 box [p_enamed env (!expunge),
adamc@870 3128 string "(ctx, cli);",
adam@1348 3129 newline]
adam@1348 3130 else
adam@1348 3131 box [],
adam@1348 3132 string "}"],
adamc@870 3133
adam@1348 3134 newline,
adam@1348 3135 string "static void uw_initializer(uw_context ctx) {",
adam@1348 3136 newline,
adam@1348 3137 box [p_list_sep (box []) (fn (x1, x2, e) => box [string "({",
adam@1348 3138 newline,
adam@1348 3139 string "uw_unit __uwr_",
adam@1348 3140 string x1,
adam@1348 3141 string "_0 = uw_unit_v, __uwr_",
adam@1348 3142 string x2,
adam@1348 3143 string "_1 = uw_unit_v;",
adam@1348 3144 newline,
adam@1348 3145 p_exp (E.pushERel (E.pushERel env x1 dummyt) x2 dummyt) e,
adam@1348 3146 string ";",
adam@1348 3147 newline,
adam@1348 3148 string "});",
adam@1348 3149 newline]) initializers,
adam@1348 3150 if hasDb then
adam@1348 3151 box [p_enamed env (!initialize),
adamc@870 3152 string "(ctx, uw_unit_v);",
adam@1348 3153 newline]
adam@1348 3154 else
adam@1348 3155 box []],
adam@1348 3156 string "}",
adam@1348 3157 newline,
adamc@1094 3158
adam@1294 3159 case onError of
adam@1294 3160 NONE => box []
adam@1294 3161 | SOME n => box [string "static void uw_onError(uw_context ctx, char *msg) {",
adam@1294 3162 newline,
adam@1294 3163 box [string "uw_write(ctx, ",
adam@1294 3164 p_enamed env n,
adam@1294 3165 string "(ctx, msg, uw_unit_v));",
adam@1294 3166 newline],
adam@1294 3167 string "}",
adam@1294 3168 newline,
adam@1294 3169 newline],
adam@1294 3170
adamc@1094 3171 string "uw_app uw_application = {",
adamc@1094 3172 p_list_sep (box [string ",", newline]) string
adamc@1094 3173 [Int.toString (SM.foldl Int.max 0 fnums + 1),
adamc@1094 3174 Int.toString (Settings.getTimeout ()),
adamc@1094 3175 "\"" ^ Settings.getUrlPrefix () ^ "\"",
adamc@1094 3176 "uw_client_init", "uw_initializer", "uw_expunger",
adamc@1094 3177 "uw_db_init", "uw_db_begin", "uw_db_commit", "uw_db_rollback", "uw_db_close",
adamc@1094 3178 "uw_handle",
adam@1294 3179 "uw_input_num", "uw_cookie_sig", "uw_check_url", "uw_check_mime",
adam@1349 3180 case onError of NONE => "NULL" | SOME _ => "uw_onError", "my_periodics"],
adamc@1094 3181 string "};",
adamc@1094 3182 newline]
adamc@29 3183 end
adamc@29 3184
adamc@274 3185 fun p_sql env (ds, _) =
adamc@274 3186 let
adamc@274 3187 val (pps, _) = ListUtil.foldlMap
adamc@274 3188 (fn (dAll as (d, _), env) =>
adamc@274 3189 let
adamc@274 3190 val pp = case d of
adamc@707 3191 DTable (s, xts, pk, csts) =>
adamc@274 3192 box [string "CREATE TABLE ",
adamc@274 3193 string s,
adamc@274 3194 string "(",
adamc@274 3195 p_list (fn (x, t) =>
adamc@874 3196 let
adamc@874 3197 val t = sql_type_in env t
adamc@874 3198 in
adamc@874 3199 box [string "uw_",
adamc@874 3200 string (CharVector.map Char.toLower x),
adamc@874 3201 space,
adamc@874 3202 string (#p_sql_type (Settings.currentDbms ()) t),
adamc@874 3203 case t of
adamc@874 3204 Nullable _ => box []
adamc@874 3205 | _ => string " NOT NULL"]
adamc@874 3206 end) xts,
adamc@707 3207 case (pk, csts) of
adamc@707 3208 ("", []) => box []
adamc@707 3209 | _ => string ",",
adamc@704 3210 cut,
adamc@707 3211 case pk of
adamc@707 3212 "" => box []
adamc@707 3213 | _ => box [string "PRIMARY",
adamc@707 3214 space,
adamc@707 3215 string "KEY",
adamc@707 3216 space,
adamc@707 3217 string "(",
adamc@707 3218 string pk,
adamc@707 3219 string ")",
adamc@707 3220 case csts of
adamc@707 3221 [] => box []
adamc@707 3222 | _ => string ",",
adamc@707 3223 newline],
adamc@704 3224 p_list_sep (box [string ",", newline])
adamc@704 3225 (fn (x, c) =>
adamc@704 3226 box [string "CONSTRAINT",
adamc@704 3227 space,
adamc@704 3228 string s,
adamc@704 3229 string "_",
adamc@704 3230 string x,
adamc@704 3231 space,
adamc@704 3232 string c]) csts,
adamc@704 3233 newline,
adamc@274 3234 string ");",
adamc@274 3235 newline,
adamc@274 3236 newline]
adamc@338 3237 | DSequence s =>
adamc@877 3238 box [string (#createSequence (Settings.currentDbms ()) s),
adamc@338 3239 string ";",
adamc@338 3240 newline,
adamc@338 3241 newline]
adamc@754 3242 | DView (s, xts, q) =>
adamc@754 3243 box [string "CREATE VIEW",
adamc@754 3244 space,
adamc@754 3245 string s,
adamc@754 3246 space,
adamc@754 3247 string "AS",
adamc@754 3248 space,
adamc@754 3249 string q,
adamc@754 3250 string ";",
adamc@754 3251 newline,
adamc@754 3252 newline]
adamc@274 3253 | _ => box []
adamc@274 3254 in
adamc@274 3255 (pp, E.declBinds env dAll)
adamc@274 3256 end)
adamc@274 3257 env ds
adamc@274 3258 in
adamc@882 3259 box (string (#sqlPrefix (Settings.currentDbms ())) :: pps)
adamc@274 3260 end
adamc@274 3261
adamc@29 3262 end