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annotate src/cjr_print.sml @ 470:7cb418e9714f

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Tree demo works
author Adam Chlipala <adamc@hcoop.net>
date Thu, 06 Nov 2008 18:49:38 -0500
parents 4efab85405be
children 20fab0e96217
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@463 65 fun isUnboxable (t : typ) =
adamc@463 66 case #1 t of
adamc@463 67 TDatatype (Default, _, _) => true
adamc@463 68 | TFfi ("Basis", "string") => true
adamc@463 69 | _ => false
adamc@463 70
adamc@29 71 fun p_typ' par env (t, loc) =
adamc@29 72 case t of
adamc@470 73 TFun (t1, t2) => parenIf par (box [string "(",
adamc@470 74 p_typ' true env t2,
adamc@109 75 space,
adamc@109 76 string "(*)",
adamc@109 77 space,
adamc@109 78 string "(",
adamc@109 79 p_typ env t1,
adamc@470 80 string "))"])
adamc@29 81 | TRecord i => box [string "struct",
adamc@29 82 space,
adamc@311 83 string "__uws_",
adamc@29 84 string (Int.toString i)]
adamc@188 85 | TDatatype (Enum, n, _) =>
adamc@188 86 (box [string "enum",
adamc@188 87 space,
adamc@311 88 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 89 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 90 | TDatatype (Option, n, xncs) =>
adamc@198 91 (case ListUtil.search #3 (!xncs) of
adamc@198 92 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 93 | SOME t =>
adamc@198 94 case #1 t of
adamc@198 95 TDatatype _ => p_typ' par env t
adamc@199 96 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 97 | _ => box [p_typ' par env t,
adamc@198 98 string "*"])
adamc@188 99 | TDatatype (Default, n, _) =>
adamc@165 100 (box [string "struct",
adamc@165 101 space,
adamc@311 102 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 103 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 104 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 105 | TOption t =>
adamc@463 106 if isUnboxable t then
adamc@463 107 p_typ' par env t
adamc@463 108 else
adamc@463 109 box [p_typ' par env t,
adamc@463 110 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
adamc@109 117 fun p_enamed env n =
adamc@316 118 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 119 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 120
adamc@182 121 fun p_con_named env n =
adamc@316 122 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 123 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 124
adamc@182 125 fun p_pat_preamble env (p, _) =
adamc@182 126 case p of
adamc@182 127 PWild => (box [],
adamc@182 128 env)
adamc@182 129 | PVar (x, t) => (box [p_typ env t,
adamc@182 130 space,
adamc@311 131 string "__uwr_",
adamc@316 132 p_ident x,
adamc@182 133 string "_",
adamc@182 134 string (Int.toString (E.countERels env)),
adamc@182 135 string ";",
adamc@182 136 newline],
adamc@196 137 E.pushERel env x t)
adamc@182 138 | PPrim _ => (box [], env)
adamc@188 139 | PCon (_, _, NONE) => (box [], env)
adamc@188 140 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 141 | PRecord xps =>
adamc@182 142 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 143 let
adamc@182 144 val (pp', env) = p_pat_preamble env p
adamc@182 145 in
adamc@182 146 (box [pp', pp], env)
adamc@182 147 end) (box [], env) xps
adamc@288 148 | PNone _ => (box [], env)
adamc@288 149 | PSome (_, p) => p_pat_preamble env p
adamc@182 150
adamc@182 151 fun p_patCon env pc =
adamc@182 152 case pc of
adamc@182 153 PConVar n => p_con_named env n
adamc@316 154 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 155
adamc@182 156 fun p_pat (env, exit, depth) (p, _) =
adamc@182 157 case p of
adamc@182 158 PWild =>
adamc@182 159 (box [], env)
adamc@182 160 | PVar (x, t) =>
adamc@311 161 (box [string "__uwr_",
adamc@316 162 p_ident x,
adamc@182 163 string "_",
adamc@182 164 string (Int.toString (E.countERels env)),
adamc@182 165 space,
adamc@182 166 string "=",
adamc@182 167 space,
adamc@182 168 string "disc",
adamc@182 169 string (Int.toString depth),
adamc@182 170 string ";"],
adamc@182 171 E.pushERel env x t)
adamc@182 172 | PPrim (Prim.Int n) =>
adamc@182 173 (box [string "if",
adamc@182 174 space,
adamc@182 175 string "(disc",
adamc@182 176 string (Int.toString depth),
adamc@182 177 space,
adamc@182 178 string "!=",
adamc@182 179 space,
adamc@276 180 Prim.p_t_GCC (Prim.Int n),
adamc@182 181 string ")",
adamc@182 182 space,
adamc@182 183 exit],
adamc@182 184 env)
adamc@182 185 | PPrim (Prim.String s) =>
adamc@182 186 (box [string "if",
adamc@182 187 space,
adamc@182 188 string "(strcmp(disc",
adamc@182 189 string (Int.toString depth),
adamc@182 190 string ",",
adamc@182 191 space,
adamc@276 192 Prim.p_t_GCC (Prim.String s),
adamc@182 193 string "))",
adamc@182 194 space,
adamc@182 195 exit],
adamc@182 196 env)
adamc@182 197 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 198
adamc@188 199 | PCon (dk, pc, po) =>
adamc@182 200 let
adamc@182 201 val (p, env) =
adamc@182 202 case po of
adamc@182 203 NONE => (box [], env)
adamc@182 204 | SOME p =>
adamc@182 205 let
adamc@182 206 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 207
adamc@182 208 val (x, to) = case pc of
adamc@182 209 PConVar n =>
adamc@182 210 let
adamc@182 211 val (x, to, _) = E.lookupConstructor env n
adamc@182 212 in
adamc@316 213 ("uw_" ^ ident x, to)
adamc@182 214 end
adamc@188 215 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 216 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 217
adamc@182 218 val t = case to of
adamc@182 219 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 220 | SOME t => t
adamc@182 221 in
adamc@182 222 (box [string "{",
adamc@182 223 newline,
adamc@182 224 p_typ env t,
adamc@182 225 space,
adamc@182 226 string "disc",
adamc@182 227 string (Int.toString (depth + 1)),
adamc@182 228 space,
adamc@182 229 string "=",
adamc@182 230 space,
adamc@198 231 case dk of
adamc@198 232 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 233 | Default => box [string "disc",
adamc@198 234 string (Int.toString depth),
adamc@198 235 string "->data.",
adamc@198 236 string x]
adamc@198 237 | Option =>
adamc@463 238 if isUnboxable t then
adamc@463 239 box [string "disc",
adamc@463 240 string (Int.toString depth)]
adamc@463 241 else
adamc@463 242 box [string "*disc",
adamc@463 243 string (Int.toString depth)],
adamc@182 244 string ";",
adamc@182 245 newline,
adamc@182 246 p,
adamc@182 247 newline,
adamc@182 248 string "}"],
adamc@182 249 env)
adamc@182 250 end
adamc@182 251 in
adamc@182 252 (box [string "if",
adamc@182 253 space,
adamc@182 254 string "(disc",
adamc@182 255 string (Int.toString depth),
adamc@198 256 case (dk, po) of
adamc@198 257 (Enum, _) => box [space,
adamc@198 258 string "!=",
adamc@198 259 space,
adamc@198 260 p_patCon env pc]
adamc@198 261 | (Default, _) => box [string "->tag",
adamc@198 262 space,
adamc@198 263 string "!=",
adamc@198 264 space,
adamc@198 265 p_patCon env pc]
adamc@198 266 | (Option, NONE) => box [space,
adamc@198 267 string "!=",
adamc@198 268 space,
adamc@198 269 string "NULL"]
adamc@198 270 | (Option, SOME _) => box [space,
adamc@198 271 string "==",
adamc@198 272 space,
adamc@198 273 string "NULL"],
adamc@182 274 string ")",
adamc@182 275 space,
adamc@182 276 exit,
adamc@182 277 newline,
adamc@182 278 p],
adamc@182 279 env)
adamc@182 280 end
adamc@182 281
adamc@182 282 | PRecord xps =>
adamc@182 283 let
adamc@182 284 val (xps, env) =
adamc@182 285 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 286 let
adamc@182 287 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 288
adamc@182 289 val p = box [string "{",
adamc@182 290 newline,
adamc@182 291 p_typ env t,
adamc@182 292 space,
adamc@182 293 string "disc",
adamc@182 294 string (Int.toString (depth + 1)),
adamc@182 295 space,
adamc@182 296 string "=",
adamc@182 297 space,
adamc@182 298 string "disc",
adamc@182 299 string (Int.toString depth),
adamc@311 300 string ".__uwf_",
adamc@316 301 p_ident x,
adamc@182 302 string ";",
adamc@182 303 newline,
adamc@182 304 p,
adamc@182 305 newline,
adamc@182 306 string "}"]
adamc@182 307 in
adamc@182 308 (p, env)
adamc@182 309 end) env xps
adamc@182 310 in
adamc@182 311 (p_list_sep newline (fn x => x) xps,
adamc@182 312 env)
adamc@182 313 end
adamc@182 314
adamc@288 315 | PNone t =>
adamc@288 316 (box [string "if",
adamc@288 317 space,
adamc@288 318 string "(disc",
adamc@288 319 string (Int.toString depth),
adamc@288 320 space,
adamc@288 321 string "!=",
adamc@288 322 space,
adamc@288 323 string "NULL)",
adamc@288 324 space,
adamc@288 325 exit,
adamc@288 326 newline],
adamc@288 327 env)
adamc@288 328
adamc@288 329 | PSome (t, p) =>
adamc@288 330 let
adamc@288 331 val (p, env) =
adamc@288 332 let
adamc@288 333 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 334 in
adamc@288 335 (box [string "{",
adamc@288 336 newline,
adamc@288 337 p_typ env t,
adamc@288 338 space,
adamc@288 339 string "disc",
adamc@288 340 string (Int.toString (depth + 1)),
adamc@288 341 space,
adamc@288 342 string "=",
adamc@288 343 space,
adamc@463 344 if isUnboxable t then
adamc@463 345 box [string "disc",
adamc@463 346 string (Int.toString depth)]
adamc@463 347 else
adamc@463 348 box [string "*disc",
adamc@463 349 string (Int.toString depth)],
adamc@288 350 string ";",
adamc@288 351 newline,
adamc@288 352 p,
adamc@288 353 newline,
adamc@288 354 string "}"],
adamc@288 355 env)
adamc@288 356 end
adamc@288 357 in
adamc@288 358 (box [string "if",
adamc@288 359 space,
adamc@288 360 string "(disc",
adamc@288 361 string (Int.toString depth),
adamc@288 362 space,
adamc@288 363 string "==",
adamc@288 364 space,
adamc@288 365 string "NULL)",
adamc@288 366 space,
adamc@288 367 exit,
adamc@288 368 newline,
adamc@288 369 p],
adamc@288 370 env)
adamc@288 371 end
adamc@288 372
adamc@182 373 local
adamc@182 374 val count = ref 0
adamc@182 375 in
adamc@182 376 fun newGoto () =
adamc@182 377 let
adamc@182 378 val r = !count
adamc@182 379 in
adamc@182 380 count := r + 1;
adamc@182 381 string ("L" ^ Int.toString r)
adamc@182 382 end
adamc@182 383 end
adamc@182 384
adamc@185 385 fun patConInfo env pc =
adamc@185 386 case pc of
adamc@185 387 PConVar n =>
adamc@185 388 let
adamc@185 389 val (x, _, dn) = E.lookupConstructor env n
adamc@185 390 val (dx, _) = E.lookupDatatype env dn
adamc@185 391 in
adamc@316 392 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 393 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 394 "uw_" ^ ident x)
adamc@185 395 end
adamc@186 396 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 397 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 398 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 399 "uw_" ^ ident con)
adamc@185 400
adamc@324 401 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 402 case t of
adamc@311 403 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 404 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 405 | TFfi ("Basis", "string") =>
adamc@324 406 if wontLeakStrings then
adamc@324 407 e
adamc@324 408 else
adamc@324 409 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 410 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 411 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@467 412
adamc@278 413 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 414 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 415 string "ERROR")
adamc@278 416
adamc@467 417 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 418 case t of
adamc@467 419 TOption t =>
adamc@467 420 box [string "(PQgetisnull (res, i, ",
adamc@467 421 string (Int.toString i),
adamc@467 422 string ") ? NULL : ",
adamc@467 423 case t of
adamc@467 424 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 425 | _ => box [string "({",
adamc@467 426 newline,
adamc@467 427 p_typ env t,
adamc@467 428 space,
adamc@467 429 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 430 p_typ env t,
adamc@467 431 string "));",
adamc@467 432 newline,
adamc@467 433 string "*tmp = ",
adamc@467 434 p_getcol wontLeakStrings env t i,
adamc@467 435 string ";",
adamc@467 436 newline,
adamc@467 437 string "tmp;",
adamc@467 438 newline,
adamc@467 439 string "})"],
adamc@467 440 string ")"]
adamc@467 441
adamc@467 442 | _ =>
adamc@467 443 p_unsql wontLeakStrings env tAll
adamc@467 444 (box [string "PQgetvalue(res, i, ",
adamc@467 445 string (Int.toString i),
adamc@467 446 string ")"])
adamc@467 447
adamc@282 448 datatype sql_type =
adamc@282 449 Int
adamc@282 450 | Float
adamc@282 451 | String
adamc@282 452 | Bool
adamc@439 453 | Time
adamc@467 454 | Nullable of sql_type
adamc@282 455
adamc@467 456 fun p_sql_type' t =
adamc@467 457 case t of
adamc@467 458 Int => "uw_Basis_int"
adamc@467 459 | Float => "uw_Basis_float"
adamc@467 460 | String => "uw_Basis_string"
adamc@467 461 | Bool => "uw_Basis_bool"
adamc@467 462 | Time => "uw_Basis_time"
adamc@467 463 | Nullable String => "uw_Basis_string"
adamc@467 464 | Nullable t => p_sql_type' t ^ "*"
adamc@467 465
adamc@467 466 fun p_sql_type t = string (p_sql_type' t)
adamc@282 467
adamc@282 468 fun getPargs (e, _) =
adamc@282 469 case e of
adamc@282 470 EPrim (Prim.String _) => []
adamc@282 471 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 472
adamc@282 473 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 474 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 475 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 476 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 477 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@468 478
adamc@468 479 | EFfiApp ("Basis", "sqlifyIntN", [e]) => [(e, Nullable Int)]
adamc@468 480 | EFfiApp ("Basis", "sqlifyFloatN", [e]) => [(e, Nullable Float)]
adamc@468 481 | EFfiApp ("Basis", "sqlifyStringN", [e]) => [(e, Nullable String)]
adamc@468 482 | EFfiApp ("Basis", "sqlifyBoolN", [e]) => [(e, Nullable Bool)]
adamc@468 483 | EFfiApp ("Basis", "sqlifyTimeN", [e]) => [(e, Nullable Time)]
adamc@468 484
adamc@322 485 | ECase (e, _, _) => [(e, Bool)]
adamc@282 486
adamc@282 487 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 488
adamc@282 489 fun p_ensql t e =
adamc@282 490 case t of
adamc@311 491 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 492 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 493 | String => e
adamc@295 494 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@439 495 | Time => box [string "uw_Basis_sqlifyTime(ctx, ", e, string ")"]
adamc@467 496 | Nullable String => e
adamc@467 497 | Nullable t => box [string "(",
adamc@467 498 e,
adamc@467 499 string " == NULL ? NULL : ",
adamc@467 500 p_ensql t (box [string "*", e]),
adamc@467 501 string ")"]
adamc@282 502
adamc@324 503 fun notLeaky env allowHeapAllocated =
adamc@324 504 let
adamc@324 505 fun nl (t, _) =
adamc@324 506 case t of
adamc@324 507 TFun _ => false
adamc@324 508 | TRecord n =>
adamc@324 509 let
adamc@324 510 val xts = E.lookupStruct env n
adamc@324 511 in
adamc@324 512 List.all (fn (_, t) => nl t) xts
adamc@324 513 end
adamc@324 514 | TDatatype (dk, _, ref cons) =>
adamc@324 515 (allowHeapAllocated orelse dk = Enum)
adamc@324 516 andalso List.all (fn (_, _, to) => case to of
adamc@324 517 NONE => true
adamc@324 518 | SOME t => nl t) cons
adamc@324 519 | TFfi ("Basis", "string") => false
adamc@324 520 | TFfi _ => true
adamc@324 521 | TOption t => allowHeapAllocated andalso nl t
adamc@324 522 in
adamc@324 523 nl
adamc@324 524 end
adamc@324 525
adamc@463 526 fun capitalize s =
adamc@463 527 if s = "" then
adamc@463 528 ""
adamc@463 529 else
adamc@463 530 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 531
adamc@463 532 fun unurlify env (t, loc) =
adamc@463 533 let
adamc@463 534 fun unurlify' rf t =
adamc@463 535 case t of
adamc@463 536 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 537 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 538
adamc@463 539 | TRecord 0 => string "uw_unit_v"
adamc@463 540 | TRecord i =>
adamc@463 541 let
adamc@463 542 val xts = E.lookupStruct env i
adamc@463 543 in
adamc@463 544 box [string "({",
adamc@463 545 newline,
adamc@463 546 box (map (fn (x, t) =>
adamc@463 547 box [p_typ env t,
adamc@463 548 space,
adamc@463 549 string "uwr_",
adamc@463 550 string x,
adamc@463 551 space,
adamc@463 552 string "=",
adamc@463 553 space,
adamc@463 554 unurlify' rf (#1 t),
adamc@463 555 string ";",
adamc@463 556 newline]) xts),
adamc@463 557 string "struct",
adamc@463 558 space,
adamc@463 559 string "__uws_",
adamc@463 560 string (Int.toString i),
adamc@463 561 space,
adamc@463 562 string "tmp",
adamc@463 563 space,
adamc@463 564 string "=",
adamc@463 565 space,
adamc@463 566 string "{",
adamc@463 567 space,
adamc@463 568 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 569 string x]) xts,
adamc@463 570 space,
adamc@463 571 string "};",
adamc@463 572 newline,
adamc@463 573 string "tmp;",
adamc@463 574 newline,
adamc@463 575 string "})"]
adamc@463 576 end
adamc@463 577
adamc@463 578 | TDatatype (Enum, i, _) =>
adamc@463 579 let
adamc@463 580 val (x, xncs) = E.lookupDatatype env i
adamc@463 581
adamc@463 582 fun doEm xncs =
adamc@463 583 case xncs of
adamc@463 584 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 585 ^ x ^ "\"), (enum __uwe_"
adamc@463 586 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 587 | (x', n, to) :: rest =>
adamc@463 588 box [string "((!strncmp(request, \"",
adamc@463 589 string x',
adamc@463 590 string "\", ",
adamc@463 591 string (Int.toString (size x')),
adamc@463 592 string ") && (request[",
adamc@463 593 string (Int.toString (size x')),
adamc@463 594 string "] == 0 || request[",
adamc@463 595 string (Int.toString (size x')),
adamc@463 596 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 597 space,
adamc@463 598 string ":",
adamc@463 599 space,
adamc@463 600 doEm rest,
adamc@463 601 string ")"]
adamc@463 602 in
adamc@463 603 doEm xncs
adamc@463 604 end
adamc@463 605
adamc@463 606 | TDatatype (Option, i, xncs) =>
adamc@463 607 if IS.member (rf, i) then
adamc@463 608 box [string "unurlify_",
adamc@463 609 string (Int.toString i),
adamc@463 610 string "()"]
adamc@463 611 else
adamc@463 612 let
adamc@463 613 val (x, _) = E.lookupDatatype env i
adamc@463 614
adamc@463 615 val (no_arg, has_arg, t) =
adamc@463 616 case !xncs of
adamc@463 617 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 618 (no_arg, has_arg, t)
adamc@463 619 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 620 (no_arg, has_arg, t)
adamc@463 621 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 622
adamc@463 623 val rf = IS.add (rf, i)
adamc@463 624 in
adamc@463 625 box [string "({",
adamc@463 626 space,
adamc@463 627 p_typ env t,
adamc@463 628 space,
adamc@463 629 string "*unurlify_",
adamc@463 630 string (Int.toString i),
adamc@463 631 string "(void) {",
adamc@463 632 newline,
adamc@463 633 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 634 newline,
adamc@463 635 string "((!strncmp(request, \"",
adamc@463 636 string no_arg,
adamc@463 637 string "\", ",
adamc@463 638 string (Int.toString (size no_arg)),
adamc@463 639 string ") && (request[",
adamc@463 640 string (Int.toString (size no_arg)),
adamc@463 641 string "] == 0 || request[",
adamc@463 642 string (Int.toString (size no_arg)),
adamc@463 643 string "] == '/')) ? (request",
adamc@463 644 space,
adamc@463 645 string "+=",
adamc@463 646 space,
adamc@463 647 string (Int.toString (size no_arg)),
adamc@463 648 string ", NULL) : ((!strncmp(request, \"",
adamc@463 649 string has_arg,
adamc@463 650 string "\", ",
adamc@463 651 string (Int.toString (size has_arg)),
adamc@463 652 string ") && (request[",
adamc@463 653 string (Int.toString (size has_arg)),
adamc@463 654 string "] == 0 || request[",
adamc@463 655 string (Int.toString (size has_arg)),
adamc@463 656 string "] == '/')) ? (request",
adamc@463 657 space,
adamc@463 658 string "+=",
adamc@463 659 space,
adamc@463 660 string (Int.toString (size has_arg)),
adamc@463 661 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 662 newline,
adamc@463 663
adamc@463 664 if isUnboxable t then
adamc@463 665 unurlify' rf (#1 t)
adamc@463 666 else
adamc@463 667 box [string "({",
adamc@463 668 newline,
adamc@463 669 p_typ env t,
adamc@463 670 space,
adamc@463 671 string "*tmp",
adamc@463 672 space,
adamc@463 673 string "=",
adamc@463 674 space,
adamc@463 675 string "uw_malloc(ctx, sizeof(",
adamc@463 676 p_typ env t,
adamc@463 677 string "));",
adamc@463 678 newline,
adamc@463 679 string "*tmp",
adamc@463 680 space,
adamc@463 681 string "=",
adamc@463 682 space,
adamc@463 683 unurlify' rf (#1 t),
adamc@463 684 string ";",
adamc@463 685 newline,
adamc@463 686 string "tmp;",
adamc@463 687 newline,
adamc@463 688 string "})"],
adamc@463 689 string ")",
adamc@463 690 newline,
adamc@463 691 string ":",
adamc@463 692 space,
adamc@463 693 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 694 ^ "\"), NULL))));"),
adamc@463 695 newline],
adamc@463 696 string "}",
adamc@463 697 newline,
adamc@463 698 newline,
adamc@463 699
adamc@463 700 string "unurlify_",
adamc@463 701 string (Int.toString i),
adamc@463 702 string "();",
adamc@463 703 newline,
adamc@463 704 string "})"]
adamc@463 705 end
adamc@463 706
adamc@463 707 | TDatatype (Default, i, _) =>
adamc@463 708 if IS.member (rf, i) then
adamc@463 709 box [string "unurlify_",
adamc@463 710 string (Int.toString i),
adamc@463 711 string "()"]
adamc@463 712 else
adamc@463 713 let
adamc@463 714 val (x, xncs) = E.lookupDatatype env i
adamc@463 715
adamc@463 716 val rf = IS.add (rf, i)
adamc@463 717
adamc@463 718 fun doEm xncs =
adamc@463 719 case xncs of
adamc@463 720 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 721 ^ x ^ "\"), NULL)")
adamc@463 722 | (x', n, to) :: rest =>
adamc@463 723 box [string "((!strncmp(request, \"",
adamc@463 724 string x',
adamc@463 725 string "\", ",
adamc@463 726 string (Int.toString (size x')),
adamc@463 727 string ") && (request[",
adamc@463 728 string (Int.toString (size x')),
adamc@463 729 string "] == 0 || request[",
adamc@463 730 string (Int.toString (size x')),
adamc@463 731 string "] == '/')) ? ({",
adamc@463 732 newline,
adamc@463 733 string "struct",
adamc@463 734 space,
adamc@463 735 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 736 space,
adamc@463 737 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 738 string x,
adamc@463 739 string "_",
adamc@463 740 string (Int.toString i),
adamc@463 741 string "));",
adamc@463 742 newline,
adamc@463 743 string "tmp->tag",
adamc@463 744 space,
adamc@463 745 string "=",
adamc@463 746 space,
adamc@463 747 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 748 string ";",
adamc@463 749 newline,
adamc@463 750 string "request",
adamc@463 751 space,
adamc@463 752 string "+=",
adamc@463 753 space,
adamc@463 754 string (Int.toString (size x')),
adamc@463 755 string ";",
adamc@463 756 newline,
adamc@463 757 string "if (request[0] == '/') ++request;",
adamc@463 758 newline,
adamc@463 759 case to of
adamc@463 760 NONE => box []
adamc@463 761 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 762 p_ident x',
adamc@463 763 space,
adamc@463 764 string "=",
adamc@463 765 space,
adamc@463 766 unurlify' rf t,
adamc@463 767 string ";",
adamc@463 768 newline],
adamc@463 769 string "tmp;",
adamc@463 770 newline,
adamc@463 771 string "})",
adamc@463 772 space,
adamc@463 773 string ":",
adamc@463 774 space,
adamc@463 775 doEm rest,
adamc@463 776 string ")"]
adamc@463 777 in
adamc@463 778 box [string "({",
adamc@463 779 space,
adamc@463 780 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 781 space,
adamc@463 782 string "unurlify_",
adamc@463 783 string (Int.toString i),
adamc@463 784 string "(void) {",
adamc@463 785 newline,
adamc@463 786 box [string "return",
adamc@463 787 space,
adamc@463 788 doEm xncs,
adamc@463 789 string ";",
adamc@463 790 newline],
adamc@463 791 string "}",
adamc@463 792 newline,
adamc@463 793 newline,
adamc@463 794
adamc@463 795 string "unurlify_",
adamc@463 796 string (Int.toString i),
adamc@463 797 string "();",
adamc@463 798 newline,
adamc@463 799 string "})"]
adamc@463 800 end
adamc@463 801
adamc@463 802 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 803 space)
adamc@463 804 in
adamc@463 805 unurlify' IS.empty t
adamc@463 806 end
adamc@463 807
adamc@182 808 fun p_exp' par env (e, loc) =
adamc@29 809 case e of
adamc@276 810 EPrim p => Prim.p_t_GCC p
adamc@29 811 | ERel n => p_rel env n
adamc@109 812 | ENamed n => p_enamed env n
adamc@188 813 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 814 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 815 | ECon (Option, pc, SOME e) =>
adamc@198 816 let
adamc@198 817 val to = case pc of
adamc@198 818 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 819 | PConFfi {arg, ...} => arg
adamc@198 820
adamc@198 821 val t = case to of
adamc@198 822 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 823 | SOME t => t
adamc@198 824 in
adamc@463 825 if isUnboxable t then
adamc@463 826 p_exp' par env e
adamc@463 827 else
adamc@463 828 box [string "({",
adamc@463 829 newline,
adamc@463 830 p_typ env t,
adamc@463 831 space,
adamc@463 832 string "*tmp",
adamc@463 833 space,
adamc@463 834 string "=",
adamc@463 835 space,
adamc@463 836 string "uw_malloc(ctx, sizeof(",
adamc@463 837 p_typ env t,
adamc@463 838 string "));",
adamc@463 839 newline,
adamc@463 840 string "*tmp",
adamc@463 841 space,
adamc@463 842 string "=",
adamc@463 843 p_exp' par env e,
adamc@463 844 string ";",
adamc@463 845 newline,
adamc@463 846 string "tmp;",
adamc@463 847 newline,
adamc@463 848 string "})"]
adamc@198 849 end
adamc@188 850 | ECon (Default, pc, eo) =>
adamc@181 851 let
adamc@196 852 val (xd, xc, xn) = patConInfo env pc
adamc@181 853 in
adamc@182 854 box [string "({",
adamc@181 855 newline,
adamc@181 856 string "struct",
adamc@181 857 space,
adamc@185 858 string xd,
adamc@181 859 space,
adamc@181 860 string "*tmp",
adamc@181 861 space,
adamc@181 862 string "=",
adamc@181 863 space,
adamc@311 864 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 865 string xd,
adamc@181 866 string "));",
adamc@181 867 newline,
adamc@181 868 string "tmp->tag",
adamc@181 869 space,
adamc@181 870 string "=",
adamc@181 871 space,
adamc@185 872 string xc,
adamc@181 873 string ";",
adamc@181 874 newline,
adamc@181 875 case eo of
adamc@181 876 NONE => box []
adamc@185 877 | SOME e => box [string "tmp->data.",
adamc@196 878 string xn,
adamc@181 879 space,
adamc@181 880 string "=",
adamc@181 881 space,
adamc@181 882 p_exp env e,
adamc@181 883 string ";",
adamc@181 884 newline],
adamc@181 885 string "tmp;",
adamc@181 886 newline,
adamc@181 887 string "})"]
adamc@181 888 end
adamc@297 889 | ENone _ => string "NULL"
adamc@290 890 | ESome (t, e) =>
adamc@463 891 if isUnboxable t then
adamc@463 892 p_exp' par env e
adamc@463 893 else
adamc@463 894 box [string "({",
adamc@463 895 newline,
adamc@463 896 p_typ env t,
adamc@463 897 space,
adamc@463 898 string "*tmp",
adamc@463 899 space,
adamc@463 900 string "=",
adamc@463 901 space,
adamc@463 902 string "uw_malloc(ctx, sizeof(",
adamc@463 903 p_typ env t,
adamc@463 904 string "));",
adamc@463 905 newline,
adamc@463 906 string "*tmp",
adamc@463 907 space,
adamc@463 908 string "=",
adamc@463 909 p_exp' par env e,
adamc@463 910 string ";",
adamc@463 911 newline,
adamc@463 912 string "tmp;",
adamc@463 913 newline,
adamc@463 914 string "})"]
adamc@109 915
adamc@316 916 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 917 | EError (e, t) =>
adamc@283 918 box [string "({",
adamc@283 919 newline,
adamc@283 920 p_typ env t,
adamc@283 921 space,
adamc@283 922 string "tmp;",
adamc@283 923 newline,
adamc@311 924 string "uw_error(ctx, FATAL, \"",
adamc@292 925 string (ErrorMsg.spanToString loc),
adamc@292 926 string ": %s\", ",
adamc@283 927 p_exp env e,
adamc@283 928 string ");",
adamc@283 929 newline,
adamc@283 930 string "tmp;",
adamc@283 931 newline,
adamc@283 932 string "})"]
adamc@311 933 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 934 p_ident m,
adamc@53 935 string "_",
adamc@316 936 p_ident x,
adamc@117 937 string "(ctx, ",
adamc@53 938 p_list (p_exp env) es,
adamc@53 939 string ")"]
adamc@316 940 | EApp (f, args) =>
adamc@316 941 parenIf par (box [p_exp' true env f,
adamc@316 942 string "(ctx,",
adamc@316 943 space,
adamc@316 944 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 945 string ")"])
adamc@29 946
adamc@387 947 | EUnop (s, e1) =>
adamc@387 948 parenIf par (box [string s,
adamc@387 949 space,
adamc@387 950 p_exp' true env e1])
adamc@387 951
adamc@387 952 | EBinop (s, e1, e2) =>
adamc@389 953 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 954 box [string s,
adamc@390 955 string "(",
adamc@389 956 p_exp env e1,
adamc@389 957 string ",",
adamc@389 958 space,
adamc@389 959 p_exp env e2,
adamc@389 960 string ")"]
adamc@389 961 else
adamc@389 962 parenIf par (box [p_exp' true env e1,
adamc@389 963 space,
adamc@389 964 string s,
adamc@389 965 space,
adamc@389 966 p_exp' true env e2])
adamc@387 967
adamc@29 968 | ERecord (i, xes) => box [string "({",
adamc@29 969 space,
adamc@29 970 string "struct",
adamc@29 971 space,
adamc@311 972 string ("__uws_" ^ Int.toString i),
adamc@29 973 space,
adamc@181 974 string "tmp",
adamc@29 975 space,
adamc@29 976 string "=",
adamc@29 977 space,
adamc@29 978 string "{",
adamc@29 979 p_list (fn (_, e) =>
adamc@29 980 p_exp env e) xes,
adamc@29 981 string "};",
adamc@29 982 space,
adamc@181 983 string "tmp;",
adamc@29 984 space,
adamc@29 985 string "})" ]
adamc@29 986 | EField (e, x) =>
adamc@29 987 box [p_exp' true env e,
adamc@311 988 string ".__uwf_",
adamc@316 989 p_ident x]
adamc@29 990
adamc@182 991 | ECase (e, pes, {disc, result}) =>
adamc@182 992 let
adamc@182 993 val final = newGoto ()
adamc@182 994
adamc@182 995 val body = foldl (fn ((p, e), body) =>
adamc@182 996 let
adamc@182 997 val exit = newGoto ()
adamc@182 998 val (pr, _) = p_pat_preamble env p
adamc@182 999 val (p, env) = p_pat (env,
adamc@182 1000 box [string "goto",
adamc@182 1001 space,
adamc@182 1002 exit,
adamc@182 1003 string ";"],
adamc@182 1004 0) p
adamc@182 1005 in
adamc@182 1006 box [body,
adamc@182 1007 box [string "{",
adamc@182 1008 newline,
adamc@182 1009 pr,
adamc@182 1010 newline,
adamc@182 1011 p,
adamc@182 1012 newline,
adamc@182 1013 string "result",
adamc@182 1014 space,
adamc@182 1015 string "=",
adamc@182 1016 space,
adamc@182 1017 p_exp env e,
adamc@182 1018 string ";",
adamc@182 1019 newline,
adamc@182 1020 string "goto",
adamc@182 1021 space,
adamc@182 1022 final,
adamc@182 1023 string ";",
adamc@182 1024 newline,
adamc@182 1025 string "}"],
adamc@182 1026 newline,
adamc@182 1027 exit,
adamc@182 1028 string ":",
adamc@182 1029 newline]
adamc@182 1030 end) (box []) pes
adamc@182 1031 in
adamc@182 1032 box [string "({",
adamc@182 1033 newline,
adamc@182 1034 p_typ env disc,
adamc@182 1035 space,
adamc@182 1036 string "disc0",
adamc@182 1037 space,
adamc@182 1038 string "=",
adamc@182 1039 space,
adamc@182 1040 p_exp env e,
adamc@182 1041 string ";",
adamc@182 1042 newline,
adamc@182 1043 p_typ env result,
adamc@182 1044 space,
adamc@182 1045 string "result;",
adamc@182 1046 newline,
adamc@182 1047 body,
adamc@311 1048 string "uw_error(ctx, FATAL, \"",
adamc@182 1049 string (ErrorMsg.spanToString loc),
adamc@182 1050 string ": pattern match failure\");",
adamc@182 1051 newline,
adamc@182 1052 final,
adamc@182 1053 string ":",
adamc@182 1054 space,
adamc@182 1055 string "result;",
adamc@182 1056 newline,
adamc@182 1057 string "})"]
adamc@182 1058 end
adamc@181 1059
adamc@311 1060 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1061 p_exp env e,
adamc@311 1062 string "), uw_unit_v)"]
adamc@102 1063
adamc@106 1064 | ESeq (e1, e2) => box [string "(",
adamc@106 1065 p_exp env e1,
adamc@106 1066 string ",",
adamc@106 1067 space,
adamc@106 1068 p_exp env e2,
adamc@106 1069 string ")"]
adamc@269 1070 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1071 newline,
adamc@269 1072 p_typ env t,
adamc@269 1073 space,
adamc@311 1074 string "__uwr_",
adamc@316 1075 p_ident x,
adamc@272 1076 string "_",
adamc@272 1077 string (Int.toString (E.countERels env)),
adamc@269 1078 space,
adamc@269 1079 string "=",
adamc@269 1080 space,
adamc@269 1081 p_exp env e1,
adamc@269 1082 string ";",
adamc@269 1083 newline,
adamc@269 1084 p_exp (E.pushERel env x t) e2,
adamc@269 1085 string ";",
adamc@269 1086 newline,
adamc@269 1087 string "})"]
adamc@269 1088
adamc@282 1089 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1090 let
adamc@316 1091 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1092 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1093 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1094 tables
adamc@278 1095
adamc@278 1096 val outputs = exps @ tables
adamc@325 1097 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1098
adamc@324 1099 val wontLeakStrings = notLeaky env true state
adamc@324 1100 val wontLeakAnything = notLeaky env false state
adamc@278 1101 in
adamc@324 1102 box [string "(uw_begin_region(ctx), ",
adamc@324 1103 if wontLeakAnything then
adamc@331 1104 string "uw_begin_region(ctx), "
adamc@324 1105 else
adamc@324 1106 box [],
adamc@324 1107 string "({",
adamc@278 1108 newline,
adamc@311 1109 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1110 newline,
adamc@282 1111 case prepared of
adamc@282 1112 NONE => box [string "char *query = ",
adamc@282 1113 p_exp env query,
adamc@282 1114 string ";",
adamc@282 1115 newline]
adamc@282 1116 | SOME _ =>
adamc@282 1117 let
adamc@282 1118 val ets = getPargs query
adamc@282 1119 in
adamc@282 1120 box [p_list_sepi newline
adamc@282 1121 (fn i => fn (e, t) =>
adamc@282 1122 box [p_sql_type t,
adamc@282 1123 space,
adamc@282 1124 string "arg",
adamc@282 1125 string (Int.toString (i + 1)),
adamc@282 1126 space,
adamc@282 1127 string "=",
adamc@282 1128 space,
adamc@282 1129 p_exp env e,
adamc@282 1130 string ";"])
adamc@282 1131 ets,
adamc@282 1132 newline,
adamc@282 1133 newline,
adamc@282 1134
adamc@282 1135 string "const char *paramValues[] = { ",
adamc@282 1136 p_list_sepi (box [string ",", space])
adamc@282 1137 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1138 string (Int.toString (i + 1))]))
adamc@282 1139 ets,
adamc@282 1140 string " };",
adamc@282 1141 newline,
adamc@282 1142 newline]
adamc@282 1143 end,
adamc@278 1144 string "int n, i;",
adamc@278 1145 newline,
adamc@278 1146 p_typ env state,
adamc@278 1147 space,
adamc@278 1148 string "acc",
adamc@278 1149 space,
adamc@278 1150 string "=",
adamc@278 1151 space,
adamc@278 1152 p_exp env initial,
adamc@278 1153 string ";",
adamc@278 1154 newline,
adamc@470 1155 case prepared of
adamc@470 1156 NONE => box [string "printf(\"Executing: %s\\n\", query);",
adamc@470 1157 newline]
adamc@470 1158 | _ => box [],
adamc@282 1159 string "PGresult *res = ",
adamc@282 1160 case prepared of
adamc@295 1161 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1162 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1163 string (Int.toString n),
adamc@282 1164 string "\", ",
adamc@282 1165 string (Int.toString (length (getPargs query))),
adamc@295 1166 string ", paramValues, NULL, NULL, 0);"],
adamc@278 1167 newline,
adamc@278 1168 newline,
adamc@277 1169
adamc@311 1170 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1171 newline,
adamc@278 1172 newline,
adamc@277 1173
adamc@278 1174 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1175 newline,
adamc@278 1176 box [string "PQclear(res);",
adamc@278 1177 newline,
adamc@311 1178 string "uw_error(ctx, FATAL, \"",
adamc@278 1179 string (ErrorMsg.spanToString loc),
adamc@282 1180 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1181 case prepared of
adamc@282 1182 NONE => string "query"
adamc@282 1183 | SOME _ => p_exp env query,
adamc@282 1184 string ", PQerrorMessage(conn));",
adamc@278 1185 newline],
adamc@278 1186 string "}",
adamc@278 1187 newline,
adamc@278 1188 newline,
adamc@277 1189
adamc@323 1190 string "uw_end_region(ctx);",
adamc@323 1191 newline,
adamc@425 1192 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1193 newline,
adamc@278 1194 string "n = PQntuples(res);",
adamc@278 1195 newline,
adamc@278 1196 string "for (i = 0; i < n; ++i) {",
adamc@278 1197 newline,
adamc@278 1198 box [string "struct",
adamc@278 1199 space,
adamc@311 1200 string "__uws_",
adamc@278 1201 string (Int.toString rnum),
adamc@278 1202 space,
adamc@311 1203 string "__uwr_r_",
adamc@278 1204 string (Int.toString (E.countERels env)),
adamc@278 1205 string ";",
adamc@278 1206 newline,
adamc@278 1207 p_typ env state,
adamc@278 1208 space,
adamc@311 1209 string "__uwr_acc_",
adamc@278 1210 string (Int.toString (E.countERels env + 1)),
adamc@278 1211 space,
adamc@278 1212 string "=",
adamc@278 1213 space,
adamc@278 1214 string "acc;",
adamc@278 1215 newline,
adamc@278 1216 newline,
adamc@278 1217
adamc@278 1218 p_list_sepi (box []) (fn i =>
adamc@278 1219 fn (proj, t) =>
adamc@311 1220 box [string "__uwr_r_",
adamc@278 1221 string (Int.toString (E.countERels env)),
adamc@278 1222 string ".",
adamc@278 1223 string proj,
adamc@278 1224 space,
adamc@278 1225 string "=",
adamc@278 1226 space,
adamc@467 1227 p_getcol wontLeakStrings env t i,
adamc@278 1228 string ";",
adamc@278 1229 newline]) outputs,
adamc@278 1230
adamc@278 1231 newline,
adamc@278 1232 newline,
adamc@278 1233
adamc@278 1234 string "acc",
adamc@278 1235 space,
adamc@278 1236 string "=",
adamc@278 1237 space,
adamc@278 1238 p_exp (E.pushERel
adamc@278 1239 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1240 "acc" state)
adamc@278 1241 body,
adamc@278 1242 string ";",
adamc@278 1243 newline],
adamc@278 1244 string "}",
adamc@278 1245 newline,
adamc@278 1246 newline,
adamc@425 1247 string "uw_pop_cleanup(ctx);",
adamc@278 1248 newline,
adamc@324 1249 if wontLeakAnything then
adamc@324 1250 box [string "uw_end_region(ctx);",
adamc@324 1251 newline]
adamc@324 1252 else
adamc@324 1253 box [],
adamc@278 1254 string "acc;",
adamc@278 1255 newline,
adamc@323 1256 string "}))"]
adamc@278 1257 end
adamc@106 1258
adamc@307 1259 | EDml {dml, prepared} =>
adamc@337 1260 box [string "(uw_begin_region(ctx), ({",
adamc@307 1261 newline,
adamc@311 1262 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1263 newline,
adamc@307 1264 case prepared of
adamc@307 1265 NONE => box [string "char *dml = ",
adamc@307 1266 p_exp env dml,
adamc@307 1267 string ";",
adamc@307 1268 newline]
adamc@307 1269 | SOME _ =>
adamc@307 1270 let
adamc@307 1271 val ets = getPargs dml
adamc@307 1272 in
adamc@307 1273 box [p_list_sepi newline
adamc@307 1274 (fn i => fn (e, t) =>
adamc@307 1275 box [p_sql_type t,
adamc@307 1276 space,
adamc@307 1277 string "arg",
adamc@307 1278 string (Int.toString (i + 1)),
adamc@307 1279 space,
adamc@307 1280 string "=",
adamc@307 1281 space,
adamc@307 1282 p_exp env e,
adamc@307 1283 string ";"])
adamc@307 1284 ets,
adamc@307 1285 newline,
adamc@307 1286 newline,
adamc@307 1287
adamc@307 1288 string "const char *paramValues[] = { ",
adamc@307 1289 p_list_sepi (box [string ",", space])
adamc@307 1290 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1291 string (Int.toString (i + 1))]))
adamc@307 1292 ets,
adamc@307 1293 string " };",
adamc@307 1294 newline,
adamc@307 1295 newline]
adamc@307 1296 end,
adamc@307 1297 newline,
adamc@307 1298 newline,
adamc@307 1299 string "PGresult *res = ",
adamc@307 1300 case prepared of
adamc@307 1301 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1302 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1303 string (Int.toString n),
adamc@307 1304 string "\", ",
adamc@307 1305 string (Int.toString (length (getPargs dml))),
adamc@307 1306 string ", paramValues, NULL, NULL, 0);"],
adamc@307 1307 newline,
adamc@307 1308 newline,
adamc@307 1309
adamc@311 1310 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1311 newline,
adamc@307 1312 newline,
adamc@307 1313
adamc@307 1314 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1315 newline,
adamc@307 1316 box [string "PQclear(res);",
adamc@307 1317 newline,
adamc@311 1318 string "uw_error(ctx, FATAL, \"",
adamc@307 1319 string (ErrorMsg.spanToString loc),
adamc@307 1320 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1321 case prepared of
adamc@307 1322 NONE => string "dml"
adamc@307 1323 | SOME _ => p_exp env dml,
adamc@307 1324 string ", PQerrorMessage(conn));",
adamc@307 1325 newline],
adamc@307 1326 string "}",
adamc@307 1327 newline,
adamc@307 1328 newline,
adamc@307 1329
adamc@307 1330 string "PQclear(res);",
adamc@307 1331 newline,
adamc@337 1332 string "uw_end_region(ctx);",
adamc@337 1333 newline,
adamc@311 1334 string "uw_unit_v;",
adamc@307 1335 newline,
adamc@337 1336 string "}))"]
adamc@307 1337
adamc@338 1338 | ENextval {seq, prepared} =>
adamc@338 1339 let
adamc@338 1340 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@338 1341 val query = (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@338 1342 in
adamc@338 1343 box [string "(uw_begin_region(ctx), ",
adamc@338 1344 string "({",
adamc@338 1345 newline,
adamc@338 1346 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1347 newline,
adamc@338 1348 case prepared of
adamc@338 1349 NONE => box [string "char *query = ",
adamc@338 1350 p_exp env query,
adamc@338 1351 string ";",
adamc@338 1352 newline]
adamc@338 1353 | SOME _ =>
adamc@338 1354 box [],
adamc@338 1355 newline,
adamc@338 1356 string "PGresult *res = ",
adamc@338 1357 case prepared of
adamc@338 1358 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1359 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1360 string (Int.toString n),
adamc@338 1361 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1362 newline,
adamc@338 1363 string "uw_Basis_int n;",
adamc@338 1364 newline,
adamc@338 1365 newline,
adamc@338 1366
adamc@338 1367 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1368 newline,
adamc@338 1369 newline,
adamc@338 1370
adamc@338 1371 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1372 newline,
adamc@338 1373 box [string "PQclear(res);",
adamc@338 1374 newline,
adamc@338 1375 string "uw_error(ctx, FATAL, \"",
adamc@338 1376 string (ErrorMsg.spanToString loc),
adamc@338 1377 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1378 case prepared of
adamc@338 1379 NONE => string "query"
adamc@338 1380 | SOME _ => p_exp env query,
adamc@338 1381 string ", PQerrorMessage(conn));",
adamc@338 1382 newline],
adamc@338 1383 string "}",
adamc@338 1384 newline,
adamc@338 1385 newline,
adamc@338 1386
adamc@338 1387 string "uw_end_region(ctx);",
adamc@338 1388 newline,
adamc@338 1389 string "n = PQntuples(res);",
adamc@338 1390 newline,
adamc@338 1391 string "if (n != 1) {",
adamc@338 1392 newline,
adamc@338 1393 box [string "PQclear(res);",
adamc@338 1394 newline,
adamc@338 1395 string "uw_error(ctx, FATAL, \"",
adamc@338 1396 string (ErrorMsg.spanToString loc),
adamc@338 1397 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1398 case prepared of
adamc@338 1399 NONE => string "query"
adamc@338 1400 | SOME _ => p_exp env query,
adamc@338 1401 string ", PQerrorMessage(conn));",
adamc@338 1402 newline],
adamc@338 1403 string "}",
adamc@338 1404 newline,
adamc@338 1405 newline,
adamc@338 1406
adamc@338 1407 string "n = ",
adamc@338 1408 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1409 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1410 string ";",
adamc@338 1411 newline,
adamc@338 1412 string "PQclear(res);",
adamc@338 1413 newline,
adamc@338 1414 string "n;",
adamc@338 1415 newline,
adamc@338 1416 string "}))"]
adamc@338 1417 end
adamc@338 1418
adamc@463 1419 | EUnurlify (e, t) =>
adamc@463 1420 let
adamc@463 1421 fun getIt () =
adamc@463 1422 if isUnboxable t then
adamc@463 1423 unurlify env t
adamc@463 1424 else
adamc@463 1425 box [string "({",
adamc@463 1426 newline,
adamc@463 1427 p_typ env t,
adamc@463 1428 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1429 p_typ env t,
adamc@463 1430 string "));",
adamc@463 1431 newline,
adamc@463 1432 string "*tmp = ",
adamc@463 1433 unurlify env t,
adamc@463 1434 string ";",
adamc@463 1435 newline,
adamc@463 1436 string "tmp;",
adamc@463 1437 newline,
adamc@463 1438 string "})"]
adamc@463 1439 in
adamc@463 1440 box [string "({",
adamc@463 1441 newline,
adamc@463 1442 string "uw_Basis_string request = ",
adamc@463 1443 p_exp env e,
adamc@463 1444 string ";",
adamc@463 1445 newline,
adamc@463 1446 newline,
adamc@463 1447 string "(request ? ",
adamc@463 1448 getIt (),
adamc@463 1449 string " : NULL);",
adamc@463 1450 newline,
adamc@463 1451 string "})"]
adamc@463 1452 end
adamc@463 1453
adamc@29 1454 and p_exp env = p_exp' false env
adamc@29 1455
adamc@129 1456 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1457 let
adamc@129 1458 val nargs = length args
adamc@129 1459 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1460 in
adamc@129 1461 box [string "static",
adamc@129 1462 space,
adamc@129 1463 p_typ env ran,
adamc@129 1464 space,
adamc@316 1465 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1466 string "(",
adamc@129 1467 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1468 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1469 box [p_typ env dom,
adamc@129 1470 space,
adamc@129 1471 p_rel env' (nargs - i - 1)]) args),
adamc@129 1472 string ")",
adamc@129 1473 space,
adamc@129 1474 string "{",
adamc@129 1475 newline,
adamc@129 1476 box[string "return(",
adamc@129 1477 p_exp env' e,
adamc@129 1478 string ");"],
adamc@129 1479 newline,
adamc@129 1480 string "}"]
adamc@129 1481 end
adamc@129 1482
adamc@129 1483 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1484 case d of
adamc@29 1485 DStruct (n, xts) =>
adamc@196 1486 let
adamc@196 1487 val env = E.declBinds env dAll
adamc@196 1488 in
adamc@196 1489 box [string "struct",
adamc@196 1490 space,
adamc@311 1491 string ("__uws_" ^ Int.toString n),
adamc@196 1492 space,
adamc@196 1493 string "{",
adamc@196 1494 newline,
adamc@196 1495 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1496 space,
adamc@311 1497 string "__uwf_",
adamc@316 1498 p_ident x,
adamc@196 1499 string ";",
adamc@196 1500 newline]) xts,
adamc@196 1501 string "};"]
adamc@196 1502 end
adamc@188 1503 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1504 box [string "enum",
adamc@188 1505 space,
adamc@316 1506 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1507 space,
adamc@188 1508 string "{",
adamc@188 1509 space,
adamc@316 1510 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1511 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1512 space,
adamc@188 1513 string "};"]
adamc@198 1514 | DDatatype (Option, _, _, _) => box []
adamc@188 1515 | DDatatype (Default, x, n, xncs) =>
adamc@165 1516 let
adamc@165 1517 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1518 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1519 in
adamc@165 1520 box [string "enum",
adamc@165 1521 space,
adamc@316 1522 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1523 space,
adamc@165 1524 string "{",
adamc@165 1525 space,
adamc@316 1526 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1527 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1528 space,
adamc@165 1529 string "};",
adamc@165 1530 newline,
adamc@165 1531 newline,
adamc@165 1532 string "struct",
adamc@165 1533 space,
adamc@316 1534 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1535 space,
adamc@165 1536 string "{",
adamc@165 1537 newline,
adamc@165 1538 string "enum",
adamc@165 1539 space,
adamc@316 1540 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1541 space,
adamc@165 1542 string "tag;",
adamc@165 1543 newline,
adamc@165 1544 box (case xncsArgs of
adamc@165 1545 [] => []
adamc@165 1546 | _ => [string "union",
adamc@165 1547 space,
adamc@165 1548 string "{",
adamc@165 1549 newline,
adamc@165 1550 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1551 space,
adamc@316 1552 string ("uw_" ^ ident x),
adamc@165 1553 string ";"]) xncsArgs,
adamc@165 1554 newline,
adamc@165 1555 string "}",
adamc@165 1556 space,
adamc@165 1557 string "data;",
adamc@165 1558 newline]),
adamc@165 1559 string "};"]
adamc@188 1560 end
adamc@29 1561
adamc@196 1562 | DDatatypeForward _ => box []
adamc@196 1563
adamc@29 1564 | DVal (x, n, t, e) =>
adamc@29 1565 box [p_typ env t,
adamc@29 1566 space,
adamc@316 1567 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1568 space,
adamc@29 1569 string "=",
adamc@29 1570 space,
adamc@29 1571 p_exp env e,
adamc@29 1572 string ";"]
adamc@129 1573 | DFun vi => p_fun env vi
adamc@129 1574 | DFunRec vis =>
adamc@29 1575 let
adamc@129 1576 val env = E.declBinds env dAll
adamc@29 1577 in
adamc@129 1578 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1579 box [string "static",
adamc@129 1580 space,
adamc@129 1581 p_typ env ran,
adamc@129 1582 space,
adamc@316 1583 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1584 string "(uw_context,",
adamc@129 1585 space,
adamc@129 1586 p_list_sep (box [string ",", space])
adamc@129 1587 (fn (_, dom) => p_typ env dom) args,
adamc@129 1588 string ");"]) vis,
adamc@29 1589 newline,
adamc@129 1590 p_list_sep newline (p_fun env) vis,
adamc@129 1591 newline]
adamc@29 1592 end
adamc@273 1593 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1594 string x,
adamc@273 1595 string " */",
adamc@273 1596 newline]
adamc@338 1597 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1598 string x,
adamc@338 1599 string " */",
adamc@338 1600 newline]
adamc@311 1601 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1602 newline,
adamc@311 1603 string "static void uw_db_prepare(uw_context);",
adamc@282 1604 newline,
adamc@275 1605 newline,
adamc@311 1606 string "void uw_db_init(uw_context ctx) {",
adamc@273 1607 newline,
adamc@272 1608 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1609 string (String.toString s),
adamc@272 1610 string "\");",
adamc@272 1611 newline,
adamc@311 1612 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1613 string "\"libpq can't allocate a connection.\");",
adamc@272 1614 newline,
adamc@272 1615 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1616 newline,
adamc@272 1617 box [string "char msg[1024];",
adamc@272 1618 newline,
adamc@272 1619 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1620 newline,
adamc@272 1621 string "msg[1023] = 0;",
adamc@272 1622 newline,
adamc@272 1623 string "PQfinish(conn);",
adamc@272 1624 newline,
adamc@311 1625 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1626 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1627 newline,
adamc@272 1628 string "}",
adamc@272 1629 newline,
adamc@311 1630 string "uw_set_db(ctx, conn);",
adamc@272 1631 newline,
adamc@311 1632 string "uw_db_validate(ctx);",
adamc@275 1633 newline,
adamc@311 1634 string "uw_db_prepare(ctx);",
adamc@282 1635 newline,
adamc@272 1636 string "}",
adamc@272 1637 newline,
adamc@272 1638 newline,
adamc@311 1639 string "void uw_db_close(uw_context ctx) {",
adamc@272 1640 newline,
adamc@311 1641 string "PQfinish(uw_get_db(ctx));",
adamc@272 1642 newline,
adamc@272 1643 string "}",
adamc@424 1644 newline,
adamc@424 1645 newline,
adamc@424 1646
adamc@424 1647 string "int uw_db_begin(uw_context ctx) {",
adamc@424 1648 newline,
adamc@424 1649 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1650 newline,
adamc@424 1651 string "PGresult *res = PQexec(conn, \"BEGIN\");",
adamc@424 1652 newline,
adamc@424 1653 newline,
adamc@424 1654 string "if (res == NULL) return 1;",
adamc@424 1655 newline,
adamc@424 1656 newline,
adamc@424 1657 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1658 box [string "PQclear(res);",
adamc@424 1659 newline,
adamc@424 1660 string "return 1;",
adamc@424 1661 newline],
adamc@424 1662 string "}",
adamc@424 1663 newline,
adamc@424 1664 string "return 0;",
adamc@424 1665 newline,
adamc@424 1666 string "}",
adamc@424 1667 newline,
adamc@424 1668 newline,
adamc@424 1669
adamc@424 1670 string "int uw_db_commit(uw_context ctx) {",
adamc@424 1671 newline,
adamc@424 1672 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1673 newline,
adamc@424 1674 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@424 1675 newline,
adamc@424 1676 newline,
adamc@424 1677 string "if (res == NULL) return 1;",
adamc@424 1678 newline,
adamc@424 1679 newline,
adamc@424 1680 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1681 box [string "PQclear(res);",
adamc@424 1682 newline,
adamc@424 1683 string "return 1;",
adamc@424 1684 newline],
adamc@424 1685 string "}",
adamc@424 1686 newline,
adamc@424 1687 string "return 0;",
adamc@424 1688 newline,
adamc@424 1689 string "}",
adamc@424 1690 newline,
adamc@424 1691 newline,
adamc@424 1692
adamc@424 1693 string "int uw_db_rollback(uw_context ctx) {",
adamc@424 1694 newline,
adamc@424 1695 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1696 newline,
adamc@424 1697 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@424 1698 newline,
adamc@424 1699 newline,
adamc@424 1700 string "if (res == NULL) return 1;",
adamc@424 1701 newline,
adamc@424 1702 newline,
adamc@424 1703 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1704 box [string "PQclear(res);",
adamc@424 1705 newline,
adamc@424 1706 string "return 1;",
adamc@424 1707 newline],
adamc@424 1708 string "}",
adamc@424 1709 newline,
adamc@424 1710 string "return 0;",
adamc@424 1711 newline,
adamc@424 1712 string "}",
adamc@272 1713 newline]
adamc@29 1714
adamc@467 1715 | DPreparedStatements [] =>
adamc@467 1716 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 1717 newline,
adamc@467 1718 string "}"]
adamc@282 1719 | DPreparedStatements ss =>
adamc@311 1720 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1721 newline,
adamc@311 1722 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1723 newline,
adamc@282 1724 string "PGresult *res;",
adamc@282 1725 newline,
adamc@282 1726 newline,
adamc@282 1727
adamc@282 1728 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1729 box [string "res = PQprepare(conn, \"uw",
adamc@282 1730 string (Int.toString i),
adamc@282 1731 string "\", \"",
adamc@282 1732 string (String.toString s),
adamc@282 1733 string "\", ",
adamc@282 1734 string (Int.toString n),
adamc@282 1735 string ", NULL);",
adamc@282 1736 newline,
adamc@282 1737 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1738 newline,
adamc@282 1739 box [string "char msg[1024];",
adamc@282 1740 newline,
adamc@282 1741 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1742 newline,
adamc@282 1743 string "msg[1023] = 0;",
adamc@282 1744 newline,
adamc@282 1745 string "PQclear(res);",
adamc@282 1746 newline,
adamc@282 1747 string "PQfinish(conn);",
adamc@282 1748 newline,
adamc@311 1749 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1750 string (String.toString s),
adamc@282 1751 string "\\n%s\", msg);",
adamc@282 1752 newline],
adamc@282 1753 string "}",
adamc@282 1754 newline,
adamc@282 1755 string "PQclear(res);",
adamc@282 1756 newline])
adamc@282 1757 ss,
adamc@282 1758
adamc@282 1759 string "}"]
adamc@282 1760
adamc@144 1761 datatype 'a search =
adamc@144 1762 Found of 'a
adamc@144 1763 | NotFound
adamc@144 1764 | Error
adamc@120 1765
adamc@467 1766 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 1767 case t of
adamc@275 1768 TFfi ("Basis", "int") => "int8"
adamc@275 1769 | TFfi ("Basis", "float") => "float8"
adamc@275 1770 | TFfi ("Basis", "string") => "text"
adamc@275 1771 | TFfi ("Basis", "bool") => "bool"
adamc@438 1772 | TFfi ("Basis", "time") => "timestamp"
adamc@275 1773 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1774 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1775 "ERROR")
adamc@275 1776
adamc@467 1777 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 1778 case t of
adamc@467 1779 (TOption t, _) => p_sqltype'' env t
adamc@467 1780 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 1781
adamc@275 1782 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1783
adamc@467 1784 fun p_sqltype_base' env t =
adamc@467 1785 case t of
adamc@467 1786 (TOption t, _) => p_sqltype'' env t
adamc@467 1787 | _ => p_sqltype'' env t
adamc@467 1788
adamc@467 1789 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 1790
adamc@467 1791 fun is_not_null t =
adamc@467 1792 case t of
adamc@467 1793 (TOption _, _) => false
adamc@467 1794 | _ => true
adamc@467 1795
adamc@101 1796 fun p_file env (ds, ps) =
adamc@29 1797 let
adamc@101 1798 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1799 (p_decl env d,
adamc@31 1800 E.declBinds env d))
adamc@101 1801 env ds
adamc@144 1802
adamc@144 1803 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1804 case ek of
adamc@144 1805 Core.Link => fields
adamc@144 1806 | Core.Action =>
adamc@280 1807 case List.nth (ts, length ts - 2) of
adamc@144 1808 (TRecord i, _) =>
adamc@144 1809 let
adamc@144 1810 val xts = E.lookupStruct env i
adamc@144 1811 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1812 in
adamc@144 1813 foldl (fn ((x, _), fields) =>
adamc@144 1814 let
adamc@144 1815 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1816 in
adamc@144 1817 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1818 xtsSet'))
adamc@144 1819 end) fields xts
adamc@144 1820 end
adamc@144 1821 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1822 SM.empty ps
adamc@144 1823
adamc@144 1824 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1825 let
adamc@144 1826 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1827 case SM.find (fnums, x') of
adamc@144 1828 NONE => unusable
adamc@144 1829 | SOME n => IS.add (unusable, n))
adamc@144 1830 IS.empty xs
adamc@144 1831
adamc@144 1832 fun findAvailable n =
adamc@144 1833 if IS.member (unusable, n) then
adamc@144 1834 findAvailable (n + 1)
adamc@144 1835 else
adamc@144 1836 n
adamc@144 1837 in
adamc@144 1838 SM.insert (fnums, x, findAvailable 0)
adamc@144 1839 end)
adamc@144 1840 SM.empty fields
adamc@144 1841
adamc@144 1842 fun makeSwitch (fnums, i) =
adamc@144 1843 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1844 | (n, Error) => Error
adamc@144 1845 | (n, Found n') => if n = n' then
adamc@144 1846 Found n'
adamc@144 1847 else
adamc@144 1848 Error) NotFound fnums of
adamc@144 1849 NotFound => box [string "return",
adamc@144 1850 space,
adamc@144 1851 string "-1;"]
adamc@144 1852 | Found n => box [string "return",
adamc@144 1853 space,
adamc@144 1854 string (Int.toString n),
adamc@144 1855 string ";"]
adamc@144 1856 | Error =>
adamc@144 1857 let
adamc@144 1858 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1859 let
adamc@144 1860 val ch = if i < size x then
adamc@144 1861 String.sub (x, i)
adamc@144 1862 else
adamc@144 1863 chr 0
adamc@144 1864
adamc@144 1865 val fnums = case CM.find (cmap, ch) of
adamc@144 1866 NONE => SM.empty
adamc@144 1867 | SOME fnums => fnums
adamc@144 1868 val fnums = SM.insert (fnums, x, n)
adamc@144 1869 in
adamc@144 1870 CM.insert (cmap, ch, fnums)
adamc@144 1871 end)
adamc@144 1872 CM.empty fnums
adamc@144 1873
adamc@144 1874 val cmap = CM.listItemsi cmap
adamc@144 1875 in
adamc@144 1876 case cmap of
adamc@144 1877 [(_, fnums)] =>
adamc@144 1878 box [string "if",
adamc@144 1879 space,
adamc@144 1880 string "(name[",
adamc@144 1881 string (Int.toString i),
adamc@144 1882 string "]",
adamc@144 1883 space,
adamc@144 1884 string "==",
adamc@144 1885 space,
adamc@144 1886 string "0)",
adamc@144 1887 space,
adamc@144 1888 string "return",
adamc@144 1889 space,
adamc@144 1890 string "-1;",
adamc@144 1891 newline,
adamc@144 1892 makeSwitch (fnums, i+1)]
adamc@144 1893 | _ =>
adamc@144 1894 box [string "switch",
adamc@144 1895 space,
adamc@144 1896 string "(name[",
adamc@144 1897 string (Int.toString i),
adamc@144 1898 string "])",
adamc@144 1899 space,
adamc@144 1900 string "{",
adamc@144 1901 newline,
adamc@144 1902 box (map (fn (ch, fnums) =>
adamc@144 1903 box [string "case",
adamc@144 1904 space,
adamc@144 1905 if ch = chr 0 then
adamc@144 1906 string "0:"
adamc@144 1907 else
adamc@144 1908 box [string "'",
adamc@144 1909 string (Char.toString ch),
adamc@144 1910 string "':"],
adamc@144 1911 newline,
adamc@144 1912 makeSwitch (fnums, i+1),
adamc@144 1913 newline]) cmap),
adamc@144 1914 string "default:",
adamc@144 1915 newline,
adamc@144 1916 string "return",
adamc@144 1917 space,
adamc@144 1918 string "-1;",
adamc@144 1919 newline,
adamc@144 1920 string "}"]
adamc@144 1921 end
adamc@144 1922
adamc@144 1923 fun p_page (ek, s, n, ts) =
adamc@144 1924 let
adamc@144 1925 val (ts, defInputs, inputsVar) =
adamc@144 1926 case ek of
adamc@314 1927 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1928 | Core.Action =>
adamc@280 1929 case List.nth (ts, length ts - 2) of
adamc@144 1930 (TRecord i, _) =>
adamc@144 1931 let
adamc@144 1932 val xts = E.lookupStruct env i
adamc@144 1933 in
adamc@280 1934 (List.take (ts, length ts - 2),
adamc@144 1935 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1936 space,
adamc@311 1937 string "uw_input_",
adamc@316 1938 p_ident x,
adamc@144 1939 string ";",
adamc@144 1940 newline]) xts),
adamc@144 1941 newline,
adamc@144 1942 box (map (fn (x, t) =>
adamc@144 1943 let
adamc@144 1944 val n = case SM.find (fnums, x) of
adamc@144 1945 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1946 | SOME n => n
adamc@190 1947
adamc@190 1948 val f = case t of
adamc@190 1949 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1950 | _ => ""
adamc@144 1951 in
adamc@311 1952 box [string "request = uw_get_",
adamc@190 1953 string f,
adamc@190 1954 string "input(ctx, ",
adamc@144 1955 string (Int.toString n),
adamc@144 1956 string ");",
adamc@144 1957 newline,
adamc@433 1958 string "if (request == NULL)",
adamc@144 1959 newline,
adamc@433 1960 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@144 1961 string x,
adamc@433 1962 string "\");"],
adamc@144 1963 newline,
adamc@311 1964 string "uw_input_",
adamc@316 1965 p_ident x,
adamc@144 1966 space,
adamc@144 1967 string "=",
adamc@144 1968 space,
adamc@463 1969 unurlify env t,
adamc@144 1970 string ";",
adamc@144 1971 newline]
adamc@144 1972 end) xts),
adamc@311 1973 string "struct __uws_",
adamc@144 1974 string (Int.toString i),
adamc@144 1975 space,
adamc@311 1976 string "uw_inputs",
adamc@144 1977 space,
adamc@144 1978 string "= {",
adamc@144 1979 newline,
adamc@311 1980 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 1981 p_ident x,
adamc@144 1982 string ",",
adamc@144 1983 newline]) xts),
adamc@144 1984 string "};",
adamc@144 1985 newline],
adamc@144 1986 box [string ",",
adamc@144 1987 space,
adamc@311 1988 string "uw_inputs"])
adamc@144 1989 end
adamc@144 1990
adamc@144 1991 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1992 in
adamc@144 1993 box [string "if (!strncmp(request, \"",
adamc@144 1994 string (String.toString s),
adamc@144 1995 string "\", ",
adamc@144 1996 string (Int.toString (size s)),
adamc@198 1997 string ") && (request[",
adamc@198 1998 string (Int.toString (size s)),
adamc@198 1999 string "] == 0 || request[",
adamc@198 2000 string (Int.toString (size s)),
adamc@198 2001 string "] == '/')) {",
adamc@144 2002 newline,
adamc@144 2003 string "request += ",
adamc@144 2004 string (Int.toString (size s)),
adamc@144 2005 string ";",
adamc@144 2006 newline,
adamc@144 2007 string "if (*request == '/') ++request;",
adamc@144 2008 newline,
adamc@144 2009 box [string "{",
adamc@144 2010 newline,
adamc@144 2011 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2012 space,
adamc@144 2013 string "arg",
adamc@144 2014 string (Int.toString i),
adamc@144 2015 space,
adamc@144 2016 string "=",
adamc@144 2017 space,
adamc@463 2018 unurlify env t,
adamc@144 2019 string ";",
adamc@144 2020 newline]) ts),
adamc@144 2021 defInputs,
adamc@144 2022 p_enamed env n,
adamc@144 2023 string "(",
adamc@144 2024 p_list_sep (box [string ",", space])
adamc@144 2025 (fn x => x)
adamc@272 2026 (string "ctx"
adamc@280 2027 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2028 inputsVar,
adamc@311 2029 string ", uw_unit_v);",
adamc@144 2030 newline,
adamc@144 2031 string "return;",
adamc@144 2032 newline,
adamc@144 2033 string "}",
adamc@144 2034 newline,
adamc@144 2035 string "}"]
adamc@144 2036 ]
adamc@144 2037 end
adamc@144 2038
adamc@144 2039 val pds' = map p_page ps
adamc@275 2040
adamc@275 2041 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 2042 | _ => NONE) ds
adamc@377 2043 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2044 | _ => NONE) ds
adamc@275 2045
adamc@275 2046 val validate =
adamc@311 2047 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2048 newline,
adamc@311 2049 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2050 newline,
adamc@275 2051 string "PGresult *res;",
adamc@275 2052 newline,
adamc@275 2053 newline,
adamc@275 2054 p_list_sep newline
adamc@275 2055 (fn (s, xts) =>
adamc@275 2056 let
adamc@377 2057 val sl = CharVector.map Char.toLower s
adamc@377 2058
adamc@275 2059 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2060 ^ sl ^ "'"
adamc@275 2061
adamc@275 2062 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2063 sl,
adamc@275 2064 "') AND (",
adamc@275 2065 String.concatWith " OR "
adamc@275 2066 (map (fn (x, t) =>
adamc@311 2067 String.concat ["(attname = 'uw_",
adamc@275 2068 CharVector.map
adamc@316 2069 Char.toLower (ident x),
adamc@275 2070 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2071 " WHERE typname = '",
adamc@467 2072 p_sqltype_base' env t,
adamc@467 2073 "') AND attnotnull = ",
adamc@467 2074 if is_not_null t then
adamc@467 2075 "TRUE"
adamc@467 2076 else
adamc@467 2077 "FALSE",
adamc@467 2078 ")"]) xts),
adamc@275 2079 ")"]
adamc@275 2080
adamc@275 2081 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2082 sl,
adamc@325 2083 "') AND attname LIKE 'uw_%'"]
adamc@275 2084 in
adamc@275 2085 box [string "res = PQexec(conn, \"",
adamc@275 2086 string q,
adamc@275 2087 string "\");",
adamc@275 2088 newline,
adamc@275 2089 newline,
adamc@275 2090 string "if (res == NULL) {",
adamc@275 2091 newline,
adamc@275 2092 box [string "PQfinish(conn);",
adamc@275 2093 newline,
adamc@311 2094 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2095 newline],
adamc@275 2096 string "}",
adamc@275 2097 newline,
adamc@275 2098 newline,
adamc@275 2099 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2100 newline,
adamc@275 2101 box [string "char msg[1024];",
adamc@275 2102 newline,
adamc@275 2103 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2104 newline,
adamc@275 2105 string "msg[1023] = 0;",
adamc@275 2106 newline,
adamc@275 2107 string "PQclear(res);",
adamc@275 2108 newline,
adamc@275 2109 string "PQfinish(conn);",
adamc@275 2110 newline,
adamc@311 2111 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2112 string q,
adamc@275 2113 string "\\n%s\", msg);",
adamc@275 2114 newline],
adamc@275 2115 string "}",
adamc@275 2116 newline,
adamc@275 2117 newline,
adamc@275 2118 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2119 newline,
adamc@275 2120 box [string "PQclear(res);",
adamc@275 2121 newline,
adamc@275 2122 string "PQfinish(conn);",
adamc@275 2123 newline,
adamc@311 2124 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2125 string s,
adamc@275 2126 string "' does not exist.\");",
adamc@275 2127 newline],
adamc@275 2128 string "}",
adamc@275 2129 newline,
adamc@275 2130 newline,
adamc@275 2131 string "PQclear(res);",
adamc@275 2132 newline,
adamc@275 2133
adamc@275 2134 string "res = PQexec(conn, \"",
adamc@275 2135 string q',
adamc@275 2136 string "\");",
adamc@275 2137 newline,
adamc@275 2138 newline,
adamc@275 2139 string "if (res == NULL) {",
adamc@275 2140 newline,
adamc@275 2141 box [string "PQfinish(conn);",
adamc@275 2142 newline,
adamc@311 2143 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2144 newline],
adamc@275 2145 string "}",
adamc@275 2146 newline,
adamc@275 2147 newline,
adamc@275 2148 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2149 newline,
adamc@275 2150 box [string "char msg[1024];",
adamc@275 2151 newline,
adamc@275 2152 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2153 newline,
adamc@275 2154 string "msg[1023] = 0;",
adamc@275 2155 newline,
adamc@275 2156 string "PQclear(res);",
adamc@275 2157 newline,
adamc@275 2158 string "PQfinish(conn);",
adamc@275 2159 newline,
adamc@311 2160 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2161 string q',
adamc@275 2162 string "\\n%s\", msg);",
adamc@275 2163 newline],
adamc@275 2164 string "}",
adamc@275 2165 newline,
adamc@275 2166 newline,
adamc@275 2167 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2168 string (Int.toString (length xts)),
adamc@275 2169 string "\")) {",
adamc@275 2170 newline,
adamc@275 2171 box [string "PQclear(res);",
adamc@275 2172 newline,
adamc@275 2173 string "PQfinish(conn);",
adamc@275 2174 newline,
adamc@311 2175 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2176 string s,
adamc@275 2177 string "' has the wrong column types.\");",
adamc@275 2178 newline],
adamc@275 2179 string "}",
adamc@275 2180 newline,
adamc@275 2181 newline,
adamc@275 2182 string "PQclear(res);",
adamc@275 2183 newline,
adamc@275 2184 newline,
adamc@275 2185
adamc@275 2186 string "res = PQexec(conn, \"",
adamc@275 2187 string q'',
adamc@275 2188 string "\");",
adamc@275 2189 newline,
adamc@275 2190 newline,
adamc@275 2191 string "if (res == NULL) {",
adamc@275 2192 newline,
adamc@275 2193 box [string "PQfinish(conn);",
adamc@275 2194 newline,
adamc@311 2195 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2196 newline],
adamc@275 2197 string "}",
adamc@275 2198 newline,
adamc@275 2199 newline,
adamc@275 2200 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2201 newline,
adamc@275 2202 box [string "char msg[1024];",
adamc@275 2203 newline,
adamc@275 2204 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2205 newline,
adamc@275 2206 string "msg[1023] = 0;",
adamc@275 2207 newline,
adamc@275 2208 string "PQclear(res);",
adamc@275 2209 newline,
adamc@275 2210 string "PQfinish(conn);",
adamc@275 2211 newline,
adamc@311 2212 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2213 string q'',
adamc@275 2214 string "\\n%s\", msg);",
adamc@275 2215 newline],
adamc@275 2216 string "}",
adamc@275 2217 newline,
adamc@275 2218 newline,
adamc@275 2219 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2220 string (Int.toString (length xts)),
adamc@275 2221 string "\")) {",
adamc@275 2222 newline,
adamc@275 2223 box [string "PQclear(res);",
adamc@275 2224 newline,
adamc@275 2225 string "PQfinish(conn);",
adamc@275 2226 newline,
adamc@311 2227 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2228 string s,
adamc@275 2229 string "' has extra columns.\");",
adamc@275 2230 newline],
adamc@275 2231 string "}",
adamc@275 2232 newline,
adamc@275 2233 newline,
adamc@275 2234 string "PQclear(res);",
adamc@275 2235 newline]
adamc@275 2236 end) tables,
adamc@377 2237
adamc@377 2238 p_list_sep newline
adamc@377 2239 (fn s =>
adamc@377 2240 let
adamc@377 2241 val sl = CharVector.map Char.toLower s
adamc@377 2242
adamc@377 2243 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2244 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2245 in
adamc@377 2246 box [string "res = PQexec(conn, \"",
adamc@377 2247 string q,
adamc@377 2248 string "\");",
adamc@377 2249 newline,
adamc@377 2250 newline,
adamc@377 2251 string "if (res == NULL) {",
adamc@377 2252 newline,
adamc@377 2253 box [string "PQfinish(conn);",
adamc@377 2254 newline,
adamc@377 2255 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2256 newline],
adamc@377 2257 string "}",
adamc@377 2258 newline,
adamc@377 2259 newline,
adamc@377 2260 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2261 newline,
adamc@377 2262 box [string "char msg[1024];",
adamc@377 2263 newline,
adamc@377 2264 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2265 newline,
adamc@377 2266 string "msg[1023] = 0;",
adamc@377 2267 newline,
adamc@377 2268 string "PQclear(res);",
adamc@377 2269 newline,
adamc@377 2270 string "PQfinish(conn);",
adamc@377 2271 newline,
adamc@377 2272 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2273 string q,
adamc@377 2274 string "\\n%s\", msg);",
adamc@377 2275 newline],
adamc@377 2276 string "}",
adamc@377 2277 newline,
adamc@377 2278 newline,
adamc@377 2279 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2280 newline,
adamc@377 2281 box [string "PQclear(res);",
adamc@377 2282 newline,
adamc@377 2283 string "PQfinish(conn);",
adamc@377 2284 newline,
adamc@377 2285 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2286 string s,
adamc@377 2287 string "' does not exist.\");",
adamc@377 2288 newline],
adamc@377 2289 string "}",
adamc@377 2290 newline,
adamc@377 2291 newline,
adamc@377 2292 string "PQclear(res);",
adamc@377 2293 newline]
adamc@377 2294 end) sequences,
adamc@377 2295
adamc@275 2296 string "}"]
adamc@432 2297
adamc@432 2298 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@29 2299 in
adamc@144 2300 box [string "#include <stdio.h>",
adamc@144 2301 newline,
adamc@144 2302 string "#include <stdlib.h>",
adamc@144 2303 newline,
adamc@272 2304 string "#include <string.h>",
adamc@272 2305 newline,
adamc@390 2306 string "#include <math.h>",
adamc@390 2307 newline,
adamc@432 2308 if hasDb then
adamc@432 2309 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2310 newline]
adamc@432 2311 else
adamc@432 2312 box [],
adamc@144 2313 newline,
adamc@378 2314 string "#include \"",
adamc@378 2315 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2316 file = "urweb.h"}),
adamc@378 2317 string "\"",
adamc@101 2318 newline,
adamc@101 2319 newline,
adamc@101 2320 p_list_sep newline (fn x => x) pds,
adamc@101 2321 newline,
adamc@311 2322 string "int uw_inputs_len = ",
adamc@144 2323 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2324 string ";",
adamc@144 2325 newline,
adamc@144 2326 newline,
adamc@311 2327 string "int uw_input_num(char *name) {",
adamc@144 2328 newline,
adamc@144 2329 makeSwitch (fnums, 0),
adamc@144 2330 string "}",
adamc@144 2331 newline,
adamc@144 2332 newline,
adamc@311 2333 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2334 newline,
adamc@101 2335 p_list_sep newline (fn x => x) pds',
adamc@101 2336 newline,
adamc@387 2337 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2338 newline,
adamc@101 2339 string "}",
adamc@275 2340 newline,
adamc@275 2341 newline,
adamc@432 2342 if hasDb then
adamc@432 2343 validate
adamc@432 2344 else
adamc@432 2345 box [],
adamc@376 2346 newline,
adamc@376 2347 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2348 box []
adamc@376 2349 else
adamc@376 2350 box [newline,
adamc@376 2351 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2352 newline,
adamc@424 2353 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2354 newline,
adamc@424 2355 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2356 newline,
adamc@424 2357 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@376 2358 newline]]
adamc@29 2359 end
adamc@29 2360
adamc@274 2361 fun p_sql env (ds, _) =
adamc@274 2362 let
adamc@274 2363 val (pps, _) = ListUtil.foldlMap
adamc@274 2364 (fn (dAll as (d, _), env) =>
adamc@274 2365 let
adamc@274 2366 val pp = case d of
adamc@274 2367 DTable (s, xts) =>
adamc@274 2368 box [string "CREATE TABLE ",
adamc@274 2369 string s,
adamc@274 2370 string "(",
adamc@274 2371 p_list (fn (x, t) =>
adamc@311 2372 box [string "uw_",
adamc@275 2373 string (CharVector.map Char.toLower x),
adamc@274 2374 space,
adamc@467 2375 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@274 2376 string ");",
adamc@274 2377 newline,
adamc@274 2378 newline]
adamc@338 2379 | DSequence s =>
adamc@338 2380 box [string "CREATE SEQUENCE ",
adamc@338 2381 string s,
adamc@338 2382 string ";",
adamc@338 2383 newline,
adamc@338 2384 newline]
adamc@274 2385 | _ => box []
adamc@274 2386 in
adamc@274 2387 (pp, E.declBinds env dAll)
adamc@274 2388 end)
adamc@274 2389 env ds
adamc@274 2390 in
adamc@274 2391 box pps
adamc@274 2392 end
adamc@274 2393
adamc@29 2394 end