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annotate src/cjr_print.sml @ 541:2bf2d0e0fb61

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Type inference
author Adam Chlipala <adamc@hcoop.net>
date Sat, 06 Dec 2008 12:01:12 -0500
parents ae03d09043c1
children 162d5308e34f
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@476 73 TFun (t1, t2) => (EM.errorAt loc "Function type remains";
adamc@476 74 string "<FUNCTION>")
adamc@29 75 | TRecord i => box [string "struct",
adamc@29 76 space,
adamc@311 77 string "__uws_",
adamc@29 78 string (Int.toString i)]
adamc@188 79 | TDatatype (Enum, n, _) =>
adamc@188 80 (box [string "enum",
adamc@188 81 space,
adamc@311 82 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 83 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 84 | TDatatype (Option, n, xncs) =>
adamc@198 85 (case ListUtil.search #3 (!xncs) of
adamc@198 86 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 87 | SOME t =>
adamc@198 88 case #1 t of
adamc@198 89 TDatatype _ => p_typ' par env t
adamc@199 90 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 91 | _ => box [p_typ' par env t,
adamc@198 92 string "*"])
adamc@188 93 | TDatatype (Default, n, _) =>
adamc@165 94 (box [string "struct",
adamc@165 95 space,
adamc@311 96 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 97 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 98 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 99 | TOption t =>
adamc@463 100 if isUnboxable t then
adamc@463 101 p_typ' par env t
adamc@463 102 else
adamc@463 103 box [p_typ' par env t,
adamc@463 104 string "*"]
adamc@29 105
adamc@29 106 and p_typ env = p_typ' false env
adamc@29 107
adamc@316 108 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 109 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 110
adamc@109 111 fun p_enamed env n =
adamc@316 112 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 113 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 114
adamc@182 115 fun p_con_named env n =
adamc@316 116 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 117 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 118
adamc@182 119 fun p_pat_preamble env (p, _) =
adamc@182 120 case p of
adamc@182 121 PWild => (box [],
adamc@182 122 env)
adamc@182 123 | PVar (x, t) => (box [p_typ env t,
adamc@182 124 space,
adamc@311 125 string "__uwr_",
adamc@316 126 p_ident x,
adamc@182 127 string "_",
adamc@182 128 string (Int.toString (E.countERels env)),
adamc@182 129 string ";",
adamc@182 130 newline],
adamc@196 131 E.pushERel env x t)
adamc@182 132 | PPrim _ => (box [], env)
adamc@188 133 | PCon (_, _, NONE) => (box [], env)
adamc@188 134 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 135 | PRecord xps =>
adamc@182 136 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 137 let
adamc@182 138 val (pp', env) = p_pat_preamble env p
adamc@182 139 in
adamc@182 140 (box [pp', pp], env)
adamc@182 141 end) (box [], env) xps
adamc@288 142 | PNone _ => (box [], env)
adamc@288 143 | PSome (_, p) => p_pat_preamble env p
adamc@182 144
adamc@182 145 fun p_patCon env pc =
adamc@182 146 case pc of
adamc@182 147 PConVar n => p_con_named env n
adamc@316 148 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 149
adamc@182 150 fun p_pat (env, exit, depth) (p, _) =
adamc@182 151 case p of
adamc@182 152 PWild =>
adamc@182 153 (box [], env)
adamc@182 154 | PVar (x, t) =>
adamc@311 155 (box [string "__uwr_",
adamc@316 156 p_ident x,
adamc@182 157 string "_",
adamc@182 158 string (Int.toString (E.countERels env)),
adamc@182 159 space,
adamc@182 160 string "=",
adamc@182 161 space,
adamc@182 162 string "disc",
adamc@182 163 string (Int.toString depth),
adamc@182 164 string ";"],
adamc@182 165 E.pushERel env x t)
adamc@182 166 | PPrim (Prim.Int n) =>
adamc@182 167 (box [string "if",
adamc@182 168 space,
adamc@182 169 string "(disc",
adamc@182 170 string (Int.toString depth),
adamc@182 171 space,
adamc@182 172 string "!=",
adamc@182 173 space,
adamc@276 174 Prim.p_t_GCC (Prim.Int n),
adamc@182 175 string ")",
adamc@182 176 space,
adamc@182 177 exit],
adamc@182 178 env)
adamc@182 179 | PPrim (Prim.String s) =>
adamc@182 180 (box [string "if",
adamc@182 181 space,
adamc@182 182 string "(strcmp(disc",
adamc@182 183 string (Int.toString depth),
adamc@182 184 string ",",
adamc@182 185 space,
adamc@276 186 Prim.p_t_GCC (Prim.String s),
adamc@182 187 string "))",
adamc@182 188 space,
adamc@182 189 exit],
adamc@182 190 env)
adamc@182 191 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 192
adamc@188 193 | PCon (dk, pc, po) =>
adamc@182 194 let
adamc@182 195 val (p, env) =
adamc@182 196 case po of
adamc@182 197 NONE => (box [], env)
adamc@182 198 | SOME p =>
adamc@182 199 let
adamc@182 200 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 201
adamc@182 202 val (x, to) = case pc of
adamc@182 203 PConVar n =>
adamc@182 204 let
adamc@182 205 val (x, to, _) = E.lookupConstructor env n
adamc@182 206 in
adamc@316 207 ("uw_" ^ ident x, to)
adamc@182 208 end
adamc@188 209 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 210 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 211
adamc@182 212 val t = case to of
adamc@182 213 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 214 | SOME t => t
adamc@182 215 in
adamc@182 216 (box [string "{",
adamc@182 217 newline,
adamc@182 218 p_typ env t,
adamc@182 219 space,
adamc@182 220 string "disc",
adamc@182 221 string (Int.toString (depth + 1)),
adamc@182 222 space,
adamc@182 223 string "=",
adamc@182 224 space,
adamc@198 225 case dk of
adamc@198 226 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 227 | Default => box [string "disc",
adamc@198 228 string (Int.toString depth),
adamc@198 229 string "->data.",
adamc@198 230 string x]
adamc@198 231 | Option =>
adamc@463 232 if isUnboxable t then
adamc@463 233 box [string "disc",
adamc@463 234 string (Int.toString depth)]
adamc@463 235 else
adamc@463 236 box [string "*disc",
adamc@463 237 string (Int.toString depth)],
adamc@182 238 string ";",
adamc@182 239 newline,
adamc@182 240 p,
adamc@182 241 newline,
adamc@182 242 string "}"],
adamc@182 243 env)
adamc@182 244 end
adamc@182 245 in
adamc@182 246 (box [string "if",
adamc@182 247 space,
adamc@182 248 string "(disc",
adamc@182 249 string (Int.toString depth),
adamc@198 250 case (dk, po) of
adamc@198 251 (Enum, _) => box [space,
adamc@198 252 string "!=",
adamc@198 253 space,
adamc@198 254 p_patCon env pc]
adamc@198 255 | (Default, _) => box [string "->tag",
adamc@198 256 space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Option, NONE) => box [space,
adamc@198 261 string "!=",
adamc@198 262 space,
adamc@198 263 string "NULL"]
adamc@198 264 | (Option, SOME _) => box [space,
adamc@198 265 string "==",
adamc@198 266 space,
adamc@198 267 string "NULL"],
adamc@182 268 string ")",
adamc@182 269 space,
adamc@182 270 exit,
adamc@182 271 newline,
adamc@182 272 p],
adamc@182 273 env)
adamc@182 274 end
adamc@182 275
adamc@182 276 | PRecord xps =>
adamc@182 277 let
adamc@182 278 val (xps, env) =
adamc@182 279 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 280 let
adamc@182 281 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 282
adamc@182 283 val p = box [string "{",
adamc@182 284 newline,
adamc@182 285 p_typ env t,
adamc@182 286 space,
adamc@182 287 string "disc",
adamc@182 288 string (Int.toString (depth + 1)),
adamc@182 289 space,
adamc@182 290 string "=",
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString depth),
adamc@311 294 string ".__uwf_",
adamc@316 295 p_ident x,
adamc@182 296 string ";",
adamc@182 297 newline,
adamc@182 298 p,
adamc@182 299 newline,
adamc@182 300 string "}"]
adamc@182 301 in
adamc@182 302 (p, env)
adamc@182 303 end) env xps
adamc@182 304 in
adamc@182 305 (p_list_sep newline (fn x => x) xps,
adamc@182 306 env)
adamc@182 307 end
adamc@182 308
adamc@288 309 | PNone t =>
adamc@288 310 (box [string "if",
adamc@288 311 space,
adamc@288 312 string "(disc",
adamc@288 313 string (Int.toString depth),
adamc@288 314 space,
adamc@288 315 string "!=",
adamc@288 316 space,
adamc@288 317 string "NULL)",
adamc@288 318 space,
adamc@288 319 exit,
adamc@288 320 newline],
adamc@288 321 env)
adamc@288 322
adamc@288 323 | PSome (t, p) =>
adamc@288 324 let
adamc@288 325 val (p, env) =
adamc@288 326 let
adamc@288 327 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 328 in
adamc@288 329 (box [string "{",
adamc@288 330 newline,
adamc@288 331 p_typ env t,
adamc@288 332 space,
adamc@288 333 string "disc",
adamc@288 334 string (Int.toString (depth + 1)),
adamc@288 335 space,
adamc@288 336 string "=",
adamc@288 337 space,
adamc@463 338 if isUnboxable t then
adamc@463 339 box [string "disc",
adamc@463 340 string (Int.toString depth)]
adamc@463 341 else
adamc@463 342 box [string "*disc",
adamc@463 343 string (Int.toString depth)],
adamc@288 344 string ";",
adamc@288 345 newline,
adamc@288 346 p,
adamc@288 347 newline,
adamc@288 348 string "}"],
adamc@288 349 env)
adamc@288 350 end
adamc@288 351 in
adamc@288 352 (box [string "if",
adamc@288 353 space,
adamc@288 354 string "(disc",
adamc@288 355 string (Int.toString depth),
adamc@288 356 space,
adamc@288 357 string "==",
adamc@288 358 space,
adamc@288 359 string "NULL)",
adamc@288 360 space,
adamc@288 361 exit,
adamc@288 362 newline,
adamc@288 363 p],
adamc@288 364 env)
adamc@288 365 end
adamc@288 366
adamc@182 367 local
adamc@182 368 val count = ref 0
adamc@182 369 in
adamc@182 370 fun newGoto () =
adamc@182 371 let
adamc@182 372 val r = !count
adamc@182 373 in
adamc@182 374 count := r + 1;
adamc@182 375 string ("L" ^ Int.toString r)
adamc@182 376 end
adamc@182 377 end
adamc@182 378
adamc@185 379 fun patConInfo env pc =
adamc@185 380 case pc of
adamc@185 381 PConVar n =>
adamc@185 382 let
adamc@185 383 val (x, _, dn) = E.lookupConstructor env n
adamc@185 384 val (dx, _) = E.lookupDatatype env dn
adamc@185 385 in
adamc@316 386 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 387 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 388 "uw_" ^ ident x)
adamc@185 389 end
adamc@186 390 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 391 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 392 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 393 "uw_" ^ ident con)
adamc@185 394
adamc@324 395 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 396 case t of
adamc@311 397 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 398 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 399 | TFfi ("Basis", "string") =>
adamc@324 400 if wontLeakStrings then
adamc@324 401 e
adamc@324 402 else
adamc@324 403 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 404 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 405 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@467 406
adamc@278 407 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 408 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 409 string "ERROR")
adamc@278 410
adamc@467 411 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 412 case t of
adamc@467 413 TOption t =>
adamc@467 414 box [string "(PQgetisnull (res, i, ",
adamc@467 415 string (Int.toString i),
adamc@467 416 string ") ? NULL : ",
adamc@467 417 case t of
adamc@467 418 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 419 | _ => box [string "({",
adamc@467 420 newline,
adamc@467 421 p_typ env t,
adamc@467 422 space,
adamc@467 423 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 424 p_typ env t,
adamc@467 425 string "));",
adamc@467 426 newline,
adamc@467 427 string "*tmp = ",
adamc@467 428 p_getcol wontLeakStrings env t i,
adamc@467 429 string ";",
adamc@467 430 newline,
adamc@467 431 string "tmp;",
adamc@467 432 newline,
adamc@467 433 string "})"],
adamc@467 434 string ")"]
adamc@467 435
adamc@467 436 | _ =>
adamc@467 437 p_unsql wontLeakStrings env tAll
adamc@467 438 (box [string "PQgetvalue(res, i, ",
adamc@467 439 string (Int.toString i),
adamc@467 440 string ")"])
adamc@467 441
adamc@282 442 datatype sql_type =
adamc@282 443 Int
adamc@282 444 | Float
adamc@282 445 | String
adamc@282 446 | Bool
adamc@439 447 | Time
adamc@467 448 | Nullable of sql_type
adamc@282 449
adamc@467 450 fun p_sql_type' t =
adamc@467 451 case t of
adamc@467 452 Int => "uw_Basis_int"
adamc@467 453 | Float => "uw_Basis_float"
adamc@467 454 | String => "uw_Basis_string"
adamc@467 455 | Bool => "uw_Basis_bool"
adamc@467 456 | Time => "uw_Basis_time"
adamc@467 457 | Nullable String => "uw_Basis_string"
adamc@467 458 | Nullable t => p_sql_type' t ^ "*"
adamc@467 459
adamc@467 460 fun p_sql_type t = string (p_sql_type' t)
adamc@282 461
adamc@282 462 fun getPargs (e, _) =
adamc@282 463 case e of
adamc@282 464 EPrim (Prim.String _) => []
adamc@282 465 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 466
adamc@282 467 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 468 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 469 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 470 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 471 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@468 472
adamc@468 473 | EFfiApp ("Basis", "sqlifyIntN", [e]) => [(e, Nullable Int)]
adamc@468 474 | EFfiApp ("Basis", "sqlifyFloatN", [e]) => [(e, Nullable Float)]
adamc@468 475 | EFfiApp ("Basis", "sqlifyStringN", [e]) => [(e, Nullable String)]
adamc@468 476 | EFfiApp ("Basis", "sqlifyBoolN", [e]) => [(e, Nullable Bool)]
adamc@468 477 | EFfiApp ("Basis", "sqlifyTimeN", [e]) => [(e, Nullable Time)]
adamc@468 478
adamc@491 479 | ECase (e,
adamc@491 480 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 481 (EPrim (Prim.String "TRUE"), _)),
adamc@491 482 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 483 (EPrim (Prim.String "FALSE"), _))],
adamc@491 484 _) => [(e, Bool)]
adamc@282 485
adamc@282 486 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 487
adamc@282 488 fun p_ensql t e =
adamc@282 489 case t of
adamc@311 490 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 491 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 492 | String => e
adamc@295 493 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@439 494 | Time => box [string "uw_Basis_sqlifyTime(ctx, ", e, string ")"]
adamc@467 495 | Nullable String => e
adamc@467 496 | Nullable t => box [string "(",
adamc@467 497 e,
adamc@467 498 string " == NULL ? NULL : ",
adamc@467 499 p_ensql t (box [string "*", e]),
adamc@467 500 string ")"]
adamc@282 501
adamc@324 502 fun notLeaky env allowHeapAllocated =
adamc@324 503 let
adamc@324 504 fun nl (t, _) =
adamc@324 505 case t of
adamc@324 506 TFun _ => false
adamc@324 507 | TRecord n =>
adamc@324 508 let
adamc@324 509 val xts = E.lookupStruct env n
adamc@324 510 in
adamc@324 511 List.all (fn (_, t) => nl t) xts
adamc@324 512 end
adamc@324 513 | TDatatype (dk, _, ref cons) =>
adamc@324 514 (allowHeapAllocated orelse dk = Enum)
adamc@324 515 andalso List.all (fn (_, _, to) => case to of
adamc@324 516 NONE => true
adamc@324 517 | SOME t => nl t) cons
adamc@324 518 | TFfi ("Basis", "string") => false
adamc@324 519 | TFfi _ => true
adamc@324 520 | TOption t => allowHeapAllocated andalso nl t
adamc@324 521 in
adamc@324 522 nl
adamc@324 523 end
adamc@324 524
adamc@463 525 fun capitalize s =
adamc@463 526 if s = "" then
adamc@463 527 ""
adamc@463 528 else
adamc@463 529 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 530
adamc@463 531 fun unurlify env (t, loc) =
adamc@463 532 let
adamc@463 533 fun unurlify' rf t =
adamc@463 534 case t of
adamc@463 535 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 536 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 537
adamc@463 538 | TRecord 0 => string "uw_unit_v"
adamc@463 539 | TRecord i =>
adamc@463 540 let
adamc@463 541 val xts = E.lookupStruct env i
adamc@463 542 in
adamc@463 543 box [string "({",
adamc@463 544 newline,
adamc@463 545 box (map (fn (x, t) =>
adamc@463 546 box [p_typ env t,
adamc@463 547 space,
adamc@463 548 string "uwr_",
adamc@463 549 string x,
adamc@463 550 space,
adamc@463 551 string "=",
adamc@463 552 space,
adamc@463 553 unurlify' rf (#1 t),
adamc@463 554 string ";",
adamc@463 555 newline]) xts),
adamc@463 556 string "struct",
adamc@463 557 space,
adamc@463 558 string "__uws_",
adamc@463 559 string (Int.toString i),
adamc@463 560 space,
adamc@463 561 string "tmp",
adamc@463 562 space,
adamc@463 563 string "=",
adamc@463 564 space,
adamc@463 565 string "{",
adamc@463 566 space,
adamc@463 567 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 568 string x]) xts,
adamc@463 569 space,
adamc@463 570 string "};",
adamc@463 571 newline,
adamc@463 572 string "tmp;",
adamc@463 573 newline,
adamc@463 574 string "})"]
adamc@463 575 end
adamc@463 576
adamc@463 577 | TDatatype (Enum, i, _) =>
adamc@463 578 let
adamc@463 579 val (x, xncs) = E.lookupDatatype env i
adamc@463 580
adamc@463 581 fun doEm xncs =
adamc@463 582 case xncs of
adamc@463 583 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 584 ^ x ^ "\"), (enum __uwe_"
adamc@463 585 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 586 | (x', n, to) :: rest =>
adamc@463 587 box [string "((!strncmp(request, \"",
adamc@463 588 string x',
adamc@463 589 string "\", ",
adamc@463 590 string (Int.toString (size x')),
adamc@463 591 string ") && (request[",
adamc@463 592 string (Int.toString (size x')),
adamc@463 593 string "] == 0 || request[",
adamc@463 594 string (Int.toString (size x')),
adamc@463 595 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 596 space,
adamc@463 597 string ":",
adamc@463 598 space,
adamc@463 599 doEm rest,
adamc@463 600 string ")"]
adamc@463 601 in
adamc@463 602 doEm xncs
adamc@463 603 end
adamc@463 604
adamc@463 605 | TDatatype (Option, i, xncs) =>
adamc@463 606 if IS.member (rf, i) then
adamc@463 607 box [string "unurlify_",
adamc@463 608 string (Int.toString i),
adamc@463 609 string "()"]
adamc@463 610 else
adamc@463 611 let
adamc@463 612 val (x, _) = E.lookupDatatype env i
adamc@463 613
adamc@463 614 val (no_arg, has_arg, t) =
adamc@463 615 case !xncs of
adamc@463 616 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 617 (no_arg, has_arg, t)
adamc@463 618 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 619 (no_arg, has_arg, t)
adamc@463 620 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 621
adamc@463 622 val rf = IS.add (rf, i)
adamc@463 623 in
adamc@463 624 box [string "({",
adamc@463 625 space,
adamc@463 626 p_typ env t,
adamc@463 627 space,
adamc@463 628 string "*unurlify_",
adamc@463 629 string (Int.toString i),
adamc@463 630 string "(void) {",
adamc@463 631 newline,
adamc@463 632 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 633 newline,
adamc@463 634 string "((!strncmp(request, \"",
adamc@463 635 string no_arg,
adamc@463 636 string "\", ",
adamc@463 637 string (Int.toString (size no_arg)),
adamc@463 638 string ") && (request[",
adamc@463 639 string (Int.toString (size no_arg)),
adamc@463 640 string "] == 0 || request[",
adamc@463 641 string (Int.toString (size no_arg)),
adamc@463 642 string "] == '/')) ? (request",
adamc@463 643 space,
adamc@463 644 string "+=",
adamc@463 645 space,
adamc@463 646 string (Int.toString (size no_arg)),
adamc@463 647 string ", NULL) : ((!strncmp(request, \"",
adamc@463 648 string has_arg,
adamc@463 649 string "\", ",
adamc@463 650 string (Int.toString (size has_arg)),
adamc@463 651 string ") && (request[",
adamc@463 652 string (Int.toString (size has_arg)),
adamc@463 653 string "] == 0 || request[",
adamc@463 654 string (Int.toString (size has_arg)),
adamc@463 655 string "] == '/')) ? (request",
adamc@463 656 space,
adamc@463 657 string "+=",
adamc@463 658 space,
adamc@463 659 string (Int.toString (size has_arg)),
adamc@463 660 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 661 newline,
adamc@463 662
adamc@463 663 if isUnboxable t then
adamc@463 664 unurlify' rf (#1 t)
adamc@463 665 else
adamc@463 666 box [string "({",
adamc@463 667 newline,
adamc@463 668 p_typ env t,
adamc@463 669 space,
adamc@463 670 string "*tmp",
adamc@463 671 space,
adamc@463 672 string "=",
adamc@463 673 space,
adamc@463 674 string "uw_malloc(ctx, sizeof(",
adamc@463 675 p_typ env t,
adamc@463 676 string "));",
adamc@463 677 newline,
adamc@463 678 string "*tmp",
adamc@463 679 space,
adamc@463 680 string "=",
adamc@463 681 space,
adamc@463 682 unurlify' rf (#1 t),
adamc@463 683 string ";",
adamc@463 684 newline,
adamc@463 685 string "tmp;",
adamc@463 686 newline,
adamc@463 687 string "})"],
adamc@463 688 string ")",
adamc@463 689 newline,
adamc@463 690 string ":",
adamc@463 691 space,
adamc@463 692 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 693 ^ "\"), NULL))));"),
adamc@463 694 newline],
adamc@463 695 string "}",
adamc@463 696 newline,
adamc@463 697 newline,
adamc@463 698
adamc@463 699 string "unurlify_",
adamc@463 700 string (Int.toString i),
adamc@463 701 string "();",
adamc@463 702 newline,
adamc@463 703 string "})"]
adamc@463 704 end
adamc@463 705
adamc@463 706 | TDatatype (Default, i, _) =>
adamc@463 707 if IS.member (rf, i) then
adamc@463 708 box [string "unurlify_",
adamc@463 709 string (Int.toString i),
adamc@463 710 string "()"]
adamc@463 711 else
adamc@463 712 let
adamc@463 713 val (x, xncs) = E.lookupDatatype env i
adamc@463 714
adamc@463 715 val rf = IS.add (rf, i)
adamc@463 716
adamc@463 717 fun doEm xncs =
adamc@463 718 case xncs of
adamc@463 719 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 720 ^ x ^ "\"), NULL)")
adamc@463 721 | (x', n, to) :: rest =>
adamc@463 722 box [string "((!strncmp(request, \"",
adamc@463 723 string x',
adamc@463 724 string "\", ",
adamc@463 725 string (Int.toString (size x')),
adamc@463 726 string ") && (request[",
adamc@463 727 string (Int.toString (size x')),
adamc@463 728 string "] == 0 || request[",
adamc@463 729 string (Int.toString (size x')),
adamc@463 730 string "] == '/')) ? ({",
adamc@463 731 newline,
adamc@463 732 string "struct",
adamc@463 733 space,
adamc@463 734 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 735 space,
adamc@463 736 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 737 string x,
adamc@463 738 string "_",
adamc@463 739 string (Int.toString i),
adamc@463 740 string "));",
adamc@463 741 newline,
adamc@463 742 string "tmp->tag",
adamc@463 743 space,
adamc@463 744 string "=",
adamc@463 745 space,
adamc@463 746 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 747 string ";",
adamc@463 748 newline,
adamc@463 749 string "request",
adamc@463 750 space,
adamc@463 751 string "+=",
adamc@463 752 space,
adamc@463 753 string (Int.toString (size x')),
adamc@463 754 string ";",
adamc@463 755 newline,
adamc@463 756 string "if (request[0] == '/') ++request;",
adamc@463 757 newline,
adamc@463 758 case to of
adamc@463 759 NONE => box []
adamc@463 760 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 761 p_ident x',
adamc@463 762 space,
adamc@463 763 string "=",
adamc@463 764 space,
adamc@463 765 unurlify' rf t,
adamc@463 766 string ";",
adamc@463 767 newline],
adamc@463 768 string "tmp;",
adamc@463 769 newline,
adamc@463 770 string "})",
adamc@463 771 space,
adamc@463 772 string ":",
adamc@463 773 space,
adamc@463 774 doEm rest,
adamc@463 775 string ")"]
adamc@463 776 in
adamc@463 777 box [string "({",
adamc@463 778 space,
adamc@463 779 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 780 space,
adamc@463 781 string "unurlify_",
adamc@463 782 string (Int.toString i),
adamc@463 783 string "(void) {",
adamc@463 784 newline,
adamc@463 785 box [string "return",
adamc@463 786 space,
adamc@463 787 doEm xncs,
adamc@463 788 string ";",
adamc@463 789 newline],
adamc@463 790 string "}",
adamc@463 791 newline,
adamc@463 792 newline,
adamc@463 793
adamc@463 794 string "unurlify_",
adamc@463 795 string (Int.toString i),
adamc@463 796 string "();",
adamc@463 797 newline,
adamc@463 798 string "})"]
adamc@463 799 end
adamc@463 800
adamc@471 801 | TOption t =>
adamc@471 802 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 803 string "((!strncmp(request, \"None\", 4) ",
adamc@471 804 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 805 string "? (request += 4, NULL) ",
adamc@471 806 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 807 string "&& request[4] == '/') ",
adamc@471 808 string "? (request += 5, ",
adamc@471 809 if isUnboxable t then
adamc@471 810 unurlify' rf (#1 t)
adamc@471 811 else
adamc@471 812 box [string "({",
adamc@471 813 newline,
adamc@471 814 p_typ env t,
adamc@471 815 space,
adamc@471 816 string "*tmp",
adamc@471 817 space,
adamc@471 818 string "=",
adamc@471 819 space,
adamc@471 820 string "uw_malloc(ctx, sizeof(",
adamc@471 821 p_typ env t,
adamc@471 822 string "));",
adamc@471 823 newline,
adamc@471 824 string "*tmp",
adamc@471 825 space,
adamc@471 826 string "=",
adamc@471 827 space,
adamc@471 828 unurlify' rf (#1 t),
adamc@471 829 string ";",
adamc@471 830 newline,
adamc@471 831 string "tmp;",
adamc@471 832 newline,
adamc@471 833 string "})"],
adamc@471 834 string ") :",
adamc@471 835 space,
adamc@471 836 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 837
adamc@463 838 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 839 space)
adamc@463 840 in
adamc@463 841 unurlify' IS.empty t
adamc@463 842 end
adamc@463 843
adamc@182 844 fun p_exp' par env (e, loc) =
adamc@29 845 case e of
adamc@276 846 EPrim p => Prim.p_t_GCC p
adamc@29 847 | ERel n => p_rel env n
adamc@109 848 | ENamed n => p_enamed env n
adamc@188 849 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 850 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 851 | ECon (Option, pc, SOME e) =>
adamc@198 852 let
adamc@198 853 val to = case pc of
adamc@198 854 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 855 | PConFfi {arg, ...} => arg
adamc@198 856
adamc@198 857 val t = case to of
adamc@198 858 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 859 | SOME t => t
adamc@198 860 in
adamc@463 861 if isUnboxable t then
adamc@463 862 p_exp' par env e
adamc@463 863 else
adamc@463 864 box [string "({",
adamc@463 865 newline,
adamc@463 866 p_typ env t,
adamc@463 867 space,
adamc@463 868 string "*tmp",
adamc@463 869 space,
adamc@463 870 string "=",
adamc@463 871 space,
adamc@463 872 string "uw_malloc(ctx, sizeof(",
adamc@463 873 p_typ env t,
adamc@463 874 string "));",
adamc@463 875 newline,
adamc@463 876 string "*tmp",
adamc@463 877 space,
adamc@463 878 string "=",
adamc@463 879 p_exp' par env e,
adamc@463 880 string ";",
adamc@463 881 newline,
adamc@463 882 string "tmp;",
adamc@463 883 newline,
adamc@463 884 string "})"]
adamc@198 885 end
adamc@188 886 | ECon (Default, pc, eo) =>
adamc@181 887 let
adamc@196 888 val (xd, xc, xn) = patConInfo env pc
adamc@181 889 in
adamc@182 890 box [string "({",
adamc@181 891 newline,
adamc@181 892 string "struct",
adamc@181 893 space,
adamc@185 894 string xd,
adamc@181 895 space,
adamc@181 896 string "*tmp",
adamc@181 897 space,
adamc@181 898 string "=",
adamc@181 899 space,
adamc@311 900 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 901 string xd,
adamc@181 902 string "));",
adamc@181 903 newline,
adamc@181 904 string "tmp->tag",
adamc@181 905 space,
adamc@181 906 string "=",
adamc@181 907 space,
adamc@185 908 string xc,
adamc@181 909 string ";",
adamc@181 910 newline,
adamc@181 911 case eo of
adamc@181 912 NONE => box []
adamc@185 913 | SOME e => box [string "tmp->data.",
adamc@196 914 string xn,
adamc@181 915 space,
adamc@181 916 string "=",
adamc@181 917 space,
adamc@181 918 p_exp env e,
adamc@181 919 string ";",
adamc@181 920 newline],
adamc@181 921 string "tmp;",
adamc@181 922 newline,
adamc@181 923 string "})"]
adamc@181 924 end
adamc@297 925 | ENone _ => string "NULL"
adamc@290 926 | ESome (t, e) =>
adamc@463 927 if isUnboxable t then
adamc@463 928 p_exp' par env e
adamc@463 929 else
adamc@463 930 box [string "({",
adamc@463 931 newline,
adamc@463 932 p_typ env t,
adamc@463 933 space,
adamc@463 934 string "*tmp",
adamc@463 935 space,
adamc@463 936 string "=",
adamc@463 937 space,
adamc@463 938 string "uw_malloc(ctx, sizeof(",
adamc@463 939 p_typ env t,
adamc@463 940 string "));",
adamc@463 941 newline,
adamc@463 942 string "*tmp",
adamc@463 943 space,
adamc@463 944 string "=",
adamc@463 945 p_exp' par env e,
adamc@463 946 string ";",
adamc@463 947 newline,
adamc@463 948 string "tmp;",
adamc@463 949 newline,
adamc@463 950 string "})"]
adamc@109 951
adamc@316 952 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 953 | EError (e, t) =>
adamc@283 954 box [string "({",
adamc@283 955 newline,
adamc@283 956 p_typ env t,
adamc@283 957 space,
adamc@283 958 string "tmp;",
adamc@283 959 newline,
adamc@311 960 string "uw_error(ctx, FATAL, \"",
adamc@292 961 string (ErrorMsg.spanToString loc),
adamc@292 962 string ": %s\", ",
adamc@283 963 p_exp env e,
adamc@283 964 string ");",
adamc@283 965 newline,
adamc@283 966 string "tmp;",
adamc@283 967 newline,
adamc@283 968 string "})"]
adamc@476 969 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 970 p_exp env (EError (e, ran), loc)
adamc@476 971
adamc@311 972 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 973 p_ident m,
adamc@53 974 string "_",
adamc@316 975 p_ident x,
adamc@117 976 string "(ctx, ",
adamc@53 977 p_list (p_exp env) es,
adamc@53 978 string ")"]
adamc@316 979 | EApp (f, args) =>
adamc@316 980 parenIf par (box [p_exp' true env f,
adamc@316 981 string "(ctx,",
adamc@316 982 space,
adamc@316 983 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 984 string ")"])
adamc@29 985
adamc@387 986 | EUnop (s, e1) =>
adamc@387 987 parenIf par (box [string s,
adamc@387 988 space,
adamc@387 989 p_exp' true env e1])
adamc@387 990
adamc@387 991 | EBinop (s, e1, e2) =>
adamc@389 992 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 993 box [string s,
adamc@390 994 string "(",
adamc@389 995 p_exp env e1,
adamc@389 996 string ",",
adamc@389 997 space,
adamc@389 998 p_exp env e2,
adamc@389 999 string ")"]
adamc@389 1000 else
adamc@389 1001 parenIf par (box [p_exp' true env e1,
adamc@389 1002 space,
adamc@389 1003 string s,
adamc@389 1004 space,
adamc@389 1005 p_exp' true env e2])
adamc@387 1006
adamc@29 1007 | ERecord (i, xes) => box [string "({",
adamc@29 1008 space,
adamc@29 1009 string "struct",
adamc@29 1010 space,
adamc@311 1011 string ("__uws_" ^ Int.toString i),
adamc@29 1012 space,
adamc@181 1013 string "tmp",
adamc@29 1014 space,
adamc@29 1015 string "=",
adamc@29 1016 space,
adamc@29 1017 string "{",
adamc@29 1018 p_list (fn (_, e) =>
adamc@29 1019 p_exp env e) xes,
adamc@29 1020 string "};",
adamc@29 1021 space,
adamc@181 1022 string "tmp;",
adamc@29 1023 space,
adamc@29 1024 string "})" ]
adamc@29 1025 | EField (e, x) =>
adamc@29 1026 box [p_exp' true env e,
adamc@311 1027 string ".__uwf_",
adamc@316 1028 p_ident x]
adamc@29 1029
adamc@182 1030 | ECase (e, pes, {disc, result}) =>
adamc@182 1031 let
adamc@182 1032 val final = newGoto ()
adamc@182 1033
adamc@182 1034 val body = foldl (fn ((p, e), body) =>
adamc@182 1035 let
adamc@182 1036 val exit = newGoto ()
adamc@182 1037 val (pr, _) = p_pat_preamble env p
adamc@182 1038 val (p, env) = p_pat (env,
adamc@182 1039 box [string "goto",
adamc@182 1040 space,
adamc@182 1041 exit,
adamc@182 1042 string ";"],
adamc@182 1043 0) p
adamc@182 1044 in
adamc@182 1045 box [body,
adamc@182 1046 box [string "{",
adamc@182 1047 newline,
adamc@182 1048 pr,
adamc@182 1049 newline,
adamc@182 1050 p,
adamc@182 1051 newline,
adamc@182 1052 string "result",
adamc@182 1053 space,
adamc@182 1054 string "=",
adamc@182 1055 space,
adamc@182 1056 p_exp env e,
adamc@182 1057 string ";",
adamc@182 1058 newline,
adamc@182 1059 string "goto",
adamc@182 1060 space,
adamc@182 1061 final,
adamc@182 1062 string ";",
adamc@182 1063 newline,
adamc@182 1064 string "}"],
adamc@182 1065 newline,
adamc@182 1066 exit,
adamc@182 1067 string ":",
adamc@182 1068 newline]
adamc@182 1069 end) (box []) pes
adamc@182 1070 in
adamc@182 1071 box [string "({",
adamc@182 1072 newline,
adamc@182 1073 p_typ env disc,
adamc@182 1074 space,
adamc@182 1075 string "disc0",
adamc@182 1076 space,
adamc@182 1077 string "=",
adamc@182 1078 space,
adamc@182 1079 p_exp env e,
adamc@182 1080 string ";",
adamc@182 1081 newline,
adamc@182 1082 p_typ env result,
adamc@182 1083 space,
adamc@182 1084 string "result;",
adamc@182 1085 newline,
adamc@182 1086 body,
adamc@311 1087 string "uw_error(ctx, FATAL, \"",
adamc@182 1088 string (ErrorMsg.spanToString loc),
adamc@182 1089 string ": pattern match failure\");",
adamc@182 1090 newline,
adamc@182 1091 final,
adamc@182 1092 string ":",
adamc@182 1093 space,
adamc@182 1094 string "result;",
adamc@182 1095 newline,
adamc@182 1096 string "})"]
adamc@182 1097 end
adamc@181 1098
adamc@311 1099 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1100 p_exp env e,
adamc@311 1101 string "), uw_unit_v)"]
adamc@102 1102
adamc@106 1103 | ESeq (e1, e2) => box [string "(",
adamc@106 1104 p_exp env e1,
adamc@106 1105 string ",",
adamc@106 1106 space,
adamc@106 1107 p_exp env e2,
adamc@106 1108 string ")"]
adamc@269 1109 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1110 newline,
adamc@269 1111 p_typ env t,
adamc@269 1112 space,
adamc@311 1113 string "__uwr_",
adamc@316 1114 p_ident x,
adamc@272 1115 string "_",
adamc@272 1116 string (Int.toString (E.countERels env)),
adamc@269 1117 space,
adamc@269 1118 string "=",
adamc@269 1119 space,
adamc@269 1120 p_exp env e1,
adamc@269 1121 string ";",
adamc@269 1122 newline,
adamc@269 1123 p_exp (E.pushERel env x t) e2,
adamc@269 1124 string ";",
adamc@269 1125 newline,
adamc@269 1126 string "})"]
adamc@269 1127
adamc@282 1128 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1129 let
adamc@316 1130 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1131 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1132 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1133 tables
adamc@278 1134
adamc@278 1135 val outputs = exps @ tables
adamc@325 1136 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1137
adamc@324 1138 val wontLeakStrings = notLeaky env true state
adamc@324 1139 val wontLeakAnything = notLeaky env false state
adamc@278 1140 in
adamc@324 1141 box [string "(uw_begin_region(ctx), ",
adamc@324 1142 if wontLeakAnything then
adamc@331 1143 string "uw_begin_region(ctx), "
adamc@324 1144 else
adamc@324 1145 box [],
adamc@324 1146 string "({",
adamc@278 1147 newline,
adamc@311 1148 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1149 newline,
adamc@282 1150 case prepared of
adamc@282 1151 NONE => box [string "char *query = ",
adamc@282 1152 p_exp env query,
adamc@282 1153 string ";",
adamc@282 1154 newline]
adamc@282 1155 | SOME _ =>
adamc@282 1156 let
adamc@282 1157 val ets = getPargs query
adamc@282 1158 in
adamc@282 1159 box [p_list_sepi newline
adamc@282 1160 (fn i => fn (e, t) =>
adamc@282 1161 box [p_sql_type t,
adamc@282 1162 space,
adamc@282 1163 string "arg",
adamc@282 1164 string (Int.toString (i + 1)),
adamc@282 1165 space,
adamc@282 1166 string "=",
adamc@282 1167 space,
adamc@282 1168 p_exp env e,
adamc@282 1169 string ";"])
adamc@282 1170 ets,
adamc@282 1171 newline,
adamc@282 1172 newline,
adamc@282 1173
adamc@282 1174 string "const char *paramValues[] = { ",
adamc@282 1175 p_list_sepi (box [string ",", space])
adamc@282 1176 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1177 string (Int.toString (i + 1))]))
adamc@282 1178 ets,
adamc@282 1179 string " };",
adamc@282 1180 newline,
adamc@282 1181 newline]
adamc@282 1182 end,
adamc@278 1183 string "int n, i;",
adamc@278 1184 newline,
adamc@278 1185 p_typ env state,
adamc@278 1186 space,
adamc@278 1187 string "acc",
adamc@278 1188 space,
adamc@278 1189 string "=",
adamc@278 1190 space,
adamc@278 1191 p_exp env initial,
adamc@278 1192 string ";",
adamc@278 1193 newline,
adamc@282 1194 string "PGresult *res = ",
adamc@282 1195 case prepared of
adamc@295 1196 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1197 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1198 string (Int.toString n),
adamc@282 1199 string "\", ",
adamc@282 1200 string (Int.toString (length (getPargs query))),
adamc@295 1201 string ", paramValues, NULL, NULL, 0);"],
adamc@278 1202 newline,
adamc@278 1203 newline,
adamc@277 1204
adamc@311 1205 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1206 newline,
adamc@278 1207 newline,
adamc@277 1208
adamc@278 1209 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1210 newline,
adamc@278 1211 box [string "PQclear(res);",
adamc@278 1212 newline,
adamc@311 1213 string "uw_error(ctx, FATAL, \"",
adamc@278 1214 string (ErrorMsg.spanToString loc),
adamc@282 1215 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1216 case prepared of
adamc@282 1217 NONE => string "query"
adamc@282 1218 | SOME _ => p_exp env query,
adamc@282 1219 string ", PQerrorMessage(conn));",
adamc@278 1220 newline],
adamc@278 1221 string "}",
adamc@278 1222 newline,
adamc@278 1223 newline,
adamc@277 1224
adamc@323 1225 string "uw_end_region(ctx);",
adamc@323 1226 newline,
adamc@425 1227 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1228 newline,
adamc@278 1229 string "n = PQntuples(res);",
adamc@278 1230 newline,
adamc@278 1231 string "for (i = 0; i < n; ++i) {",
adamc@278 1232 newline,
adamc@278 1233 box [string "struct",
adamc@278 1234 space,
adamc@311 1235 string "__uws_",
adamc@278 1236 string (Int.toString rnum),
adamc@278 1237 space,
adamc@311 1238 string "__uwr_r_",
adamc@278 1239 string (Int.toString (E.countERels env)),
adamc@278 1240 string ";",
adamc@278 1241 newline,
adamc@278 1242 p_typ env state,
adamc@278 1243 space,
adamc@311 1244 string "__uwr_acc_",
adamc@278 1245 string (Int.toString (E.countERels env + 1)),
adamc@278 1246 space,
adamc@278 1247 string "=",
adamc@278 1248 space,
adamc@278 1249 string "acc;",
adamc@278 1250 newline,
adamc@278 1251 newline,
adamc@278 1252
adamc@278 1253 p_list_sepi (box []) (fn i =>
adamc@278 1254 fn (proj, t) =>
adamc@311 1255 box [string "__uwr_r_",
adamc@278 1256 string (Int.toString (E.countERels env)),
adamc@278 1257 string ".",
adamc@278 1258 string proj,
adamc@278 1259 space,
adamc@278 1260 string "=",
adamc@278 1261 space,
adamc@467 1262 p_getcol wontLeakStrings env t i,
adamc@278 1263 string ";",
adamc@278 1264 newline]) outputs,
adamc@278 1265
adamc@278 1266 newline,
adamc@278 1267 newline,
adamc@278 1268
adamc@278 1269 string "acc",
adamc@278 1270 space,
adamc@278 1271 string "=",
adamc@278 1272 space,
adamc@278 1273 p_exp (E.pushERel
adamc@278 1274 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1275 "acc" state)
adamc@278 1276 body,
adamc@278 1277 string ";",
adamc@278 1278 newline],
adamc@278 1279 string "}",
adamc@278 1280 newline,
adamc@278 1281 newline,
adamc@425 1282 string "uw_pop_cleanup(ctx);",
adamc@278 1283 newline,
adamc@324 1284 if wontLeakAnything then
adamc@324 1285 box [string "uw_end_region(ctx);",
adamc@324 1286 newline]
adamc@324 1287 else
adamc@324 1288 box [],
adamc@278 1289 string "acc;",
adamc@278 1290 newline,
adamc@323 1291 string "}))"]
adamc@278 1292 end
adamc@106 1293
adamc@307 1294 | EDml {dml, prepared} =>
adamc@337 1295 box [string "(uw_begin_region(ctx), ({",
adamc@307 1296 newline,
adamc@311 1297 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1298 newline,
adamc@307 1299 case prepared of
adamc@307 1300 NONE => box [string "char *dml = ",
adamc@307 1301 p_exp env dml,
adamc@307 1302 string ";",
adamc@307 1303 newline]
adamc@307 1304 | SOME _ =>
adamc@307 1305 let
adamc@307 1306 val ets = getPargs dml
adamc@307 1307 in
adamc@307 1308 box [p_list_sepi newline
adamc@307 1309 (fn i => fn (e, t) =>
adamc@307 1310 box [p_sql_type t,
adamc@307 1311 space,
adamc@307 1312 string "arg",
adamc@307 1313 string (Int.toString (i + 1)),
adamc@307 1314 space,
adamc@307 1315 string "=",
adamc@307 1316 space,
adamc@307 1317 p_exp env e,
adamc@307 1318 string ";"])
adamc@307 1319 ets,
adamc@307 1320 newline,
adamc@307 1321 newline,
adamc@307 1322
adamc@307 1323 string "const char *paramValues[] = { ",
adamc@307 1324 p_list_sepi (box [string ",", space])
adamc@307 1325 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1326 string (Int.toString (i + 1))]))
adamc@307 1327 ets,
adamc@307 1328 string " };",
adamc@307 1329 newline,
adamc@307 1330 newline]
adamc@307 1331 end,
adamc@307 1332 newline,
adamc@307 1333 newline,
adamc@307 1334 string "PGresult *res = ",
adamc@307 1335 case prepared of
adamc@307 1336 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1337 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1338 string (Int.toString n),
adamc@307 1339 string "\", ",
adamc@307 1340 string (Int.toString (length (getPargs dml))),
adamc@307 1341 string ", paramValues, NULL, NULL, 0);"],
adamc@307 1342 newline,
adamc@307 1343 newline,
adamc@307 1344
adamc@311 1345 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1346 newline,
adamc@307 1347 newline,
adamc@307 1348
adamc@307 1349 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1350 newline,
adamc@307 1351 box [string "PQclear(res);",
adamc@307 1352 newline,
adamc@311 1353 string "uw_error(ctx, FATAL, \"",
adamc@307 1354 string (ErrorMsg.spanToString loc),
adamc@307 1355 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1356 case prepared of
adamc@307 1357 NONE => string "dml"
adamc@307 1358 | SOME _ => p_exp env dml,
adamc@307 1359 string ", PQerrorMessage(conn));",
adamc@307 1360 newline],
adamc@307 1361 string "}",
adamc@307 1362 newline,
adamc@307 1363 newline,
adamc@307 1364
adamc@307 1365 string "PQclear(res);",
adamc@307 1366 newline,
adamc@337 1367 string "uw_end_region(ctx);",
adamc@337 1368 newline,
adamc@311 1369 string "uw_unit_v;",
adamc@307 1370 newline,
adamc@337 1371 string "}))"]
adamc@307 1372
adamc@338 1373 | ENextval {seq, prepared} =>
adamc@338 1374 let
adamc@486 1375 val query = case seq of
adamc@486 1376 (EPrim (Prim.String s), loc) =>
adamc@486 1377 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1378 | _ =>
adamc@486 1379 let
adamc@486 1380 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1381 in
adamc@486 1382 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1383 end
adamc@338 1384 in
adamc@338 1385 box [string "(uw_begin_region(ctx), ",
adamc@338 1386 string "({",
adamc@338 1387 newline,
adamc@338 1388 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1389 newline,
adamc@338 1390 case prepared of
adamc@338 1391 NONE => box [string "char *query = ",
adamc@338 1392 p_exp env query,
adamc@338 1393 string ";",
adamc@338 1394 newline]
adamc@338 1395 | SOME _ =>
adamc@338 1396 box [],
adamc@338 1397 newline,
adamc@338 1398 string "PGresult *res = ",
adamc@338 1399 case prepared of
adamc@338 1400 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1401 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1402 string (Int.toString n),
adamc@338 1403 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1404 newline,
adamc@338 1405 string "uw_Basis_int n;",
adamc@338 1406 newline,
adamc@338 1407 newline,
adamc@338 1408
adamc@338 1409 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1410 newline,
adamc@338 1411 newline,
adamc@338 1412
adamc@338 1413 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1414 newline,
adamc@338 1415 box [string "PQclear(res);",
adamc@338 1416 newline,
adamc@338 1417 string "uw_error(ctx, FATAL, \"",
adamc@338 1418 string (ErrorMsg.spanToString loc),
adamc@338 1419 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1420 case prepared of
adamc@338 1421 NONE => string "query"
adamc@338 1422 | SOME _ => p_exp env query,
adamc@338 1423 string ", PQerrorMessage(conn));",
adamc@338 1424 newline],
adamc@338 1425 string "}",
adamc@338 1426 newline,
adamc@338 1427 newline,
adamc@338 1428
adamc@338 1429 string "uw_end_region(ctx);",
adamc@338 1430 newline,
adamc@338 1431 string "n = PQntuples(res);",
adamc@338 1432 newline,
adamc@338 1433 string "if (n != 1) {",
adamc@338 1434 newline,
adamc@338 1435 box [string "PQclear(res);",
adamc@338 1436 newline,
adamc@338 1437 string "uw_error(ctx, FATAL, \"",
adamc@338 1438 string (ErrorMsg.spanToString loc),
adamc@338 1439 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1440 case prepared of
adamc@338 1441 NONE => string "query"
adamc@338 1442 | SOME _ => p_exp env query,
adamc@338 1443 string ", PQerrorMessage(conn));",
adamc@338 1444 newline],
adamc@338 1445 string "}",
adamc@338 1446 newline,
adamc@338 1447 newline,
adamc@338 1448
adamc@338 1449 string "n = ",
adamc@338 1450 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1451 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1452 string ";",
adamc@338 1453 newline,
adamc@338 1454 string "PQclear(res);",
adamc@338 1455 newline,
adamc@338 1456 string "n;",
adamc@338 1457 newline,
adamc@338 1458 string "}))"]
adamc@338 1459 end
adamc@338 1460
adamc@463 1461 | EUnurlify (e, t) =>
adamc@463 1462 let
adamc@463 1463 fun getIt () =
adamc@463 1464 if isUnboxable t then
adamc@463 1465 unurlify env t
adamc@463 1466 else
adamc@463 1467 box [string "({",
adamc@463 1468 newline,
adamc@463 1469 p_typ env t,
adamc@463 1470 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1471 p_typ env t,
adamc@463 1472 string "));",
adamc@463 1473 newline,
adamc@463 1474 string "*tmp = ",
adamc@463 1475 unurlify env t,
adamc@463 1476 string ";",
adamc@463 1477 newline,
adamc@463 1478 string "tmp;",
adamc@463 1479 newline,
adamc@463 1480 string "})"]
adamc@463 1481 in
adamc@463 1482 box [string "({",
adamc@463 1483 newline,
adamc@493 1484 string "uw_Basis_string request = uw_Basis_maybe_strdup(ctx, ",
adamc@463 1485 p_exp env e,
adamc@492 1486 string ");",
adamc@463 1487 newline,
adamc@463 1488 newline,
adamc@463 1489 string "(request ? ",
adamc@463 1490 getIt (),
adamc@463 1491 string " : NULL);",
adamc@463 1492 newline,
adamc@463 1493 string "})"]
adamc@463 1494 end
adamc@463 1495
adamc@29 1496 and p_exp env = p_exp' false env
adamc@29 1497
adamc@129 1498 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1499 let
adamc@129 1500 val nargs = length args
adamc@129 1501 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1502 in
adamc@129 1503 box [string "static",
adamc@129 1504 space,
adamc@129 1505 p_typ env ran,
adamc@129 1506 space,
adamc@316 1507 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1508 string "(",
adamc@129 1509 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1510 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1511 box [p_typ env dom,
adamc@129 1512 space,
adamc@129 1513 p_rel env' (nargs - i - 1)]) args),
adamc@129 1514 string ")",
adamc@129 1515 space,
adamc@129 1516 string "{",
adamc@129 1517 newline,
adamc@129 1518 box[string "return(",
adamc@129 1519 p_exp env' e,
adamc@129 1520 string ");"],
adamc@129 1521 newline,
adamc@129 1522 string "}"]
adamc@129 1523 end
adamc@129 1524
adamc@129 1525 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1526 case d of
adamc@29 1527 DStruct (n, xts) =>
adamc@196 1528 let
adamc@196 1529 val env = E.declBinds env dAll
adamc@196 1530 in
adamc@196 1531 box [string "struct",
adamc@196 1532 space,
adamc@311 1533 string ("__uws_" ^ Int.toString n),
adamc@196 1534 space,
adamc@196 1535 string "{",
adamc@196 1536 newline,
adamc@196 1537 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1538 space,
adamc@311 1539 string "__uwf_",
adamc@316 1540 p_ident x,
adamc@196 1541 string ";",
adamc@196 1542 newline]) xts,
adamc@196 1543 string "};"]
adamc@196 1544 end
adamc@188 1545 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1546 box [string "enum",
adamc@188 1547 space,
adamc@316 1548 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1549 space,
adamc@188 1550 string "{",
adamc@188 1551 space,
adamc@316 1552 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1553 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1554 space,
adamc@188 1555 string "};"]
adamc@198 1556 | DDatatype (Option, _, _, _) => box []
adamc@188 1557 | DDatatype (Default, x, n, xncs) =>
adamc@165 1558 let
adamc@165 1559 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1560 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1561 in
adamc@165 1562 box [string "enum",
adamc@165 1563 space,
adamc@316 1564 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1565 space,
adamc@165 1566 string "{",
adamc@165 1567 space,
adamc@316 1568 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1569 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1570 space,
adamc@165 1571 string "};",
adamc@165 1572 newline,
adamc@165 1573 newline,
adamc@165 1574 string "struct",
adamc@165 1575 space,
adamc@316 1576 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1577 space,
adamc@165 1578 string "{",
adamc@165 1579 newline,
adamc@165 1580 string "enum",
adamc@165 1581 space,
adamc@316 1582 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1583 space,
adamc@165 1584 string "tag;",
adamc@165 1585 newline,
adamc@165 1586 box (case xncsArgs of
adamc@165 1587 [] => []
adamc@165 1588 | _ => [string "union",
adamc@165 1589 space,
adamc@165 1590 string "{",
adamc@165 1591 newline,
adamc@165 1592 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1593 space,
adamc@316 1594 string ("uw_" ^ ident x),
adamc@165 1595 string ";"]) xncsArgs,
adamc@165 1596 newline,
adamc@165 1597 string "}",
adamc@165 1598 space,
adamc@165 1599 string "data;",
adamc@165 1600 newline]),
adamc@165 1601 string "};"]
adamc@188 1602 end
adamc@29 1603
adamc@196 1604 | DDatatypeForward _ => box []
adamc@196 1605
adamc@29 1606 | DVal (x, n, t, e) =>
adamc@29 1607 box [p_typ env t,
adamc@29 1608 space,
adamc@316 1609 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1610 space,
adamc@29 1611 string "=",
adamc@29 1612 space,
adamc@29 1613 p_exp env e,
adamc@29 1614 string ";"]
adamc@129 1615 | DFun vi => p_fun env vi
adamc@129 1616 | DFunRec vis =>
adamc@29 1617 let
adamc@129 1618 val env = E.declBinds env dAll
adamc@29 1619 in
adamc@129 1620 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1621 box [string "static",
adamc@129 1622 space,
adamc@129 1623 p_typ env ran,
adamc@129 1624 space,
adamc@316 1625 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1626 string "(uw_context,",
adamc@129 1627 space,
adamc@129 1628 p_list_sep (box [string ",", space])
adamc@129 1629 (fn (_, dom) => p_typ env dom) args,
adamc@129 1630 string ");"]) vis,
adamc@29 1631 newline,
adamc@129 1632 p_list_sep newline (p_fun env) vis,
adamc@129 1633 newline]
adamc@29 1634 end
adamc@273 1635 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1636 string x,
adamc@273 1637 string " */",
adamc@273 1638 newline]
adamc@338 1639 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1640 string x,
adamc@338 1641 string " */",
adamc@338 1642 newline]
adamc@311 1643 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1644 newline,
adamc@311 1645 string "static void uw_db_prepare(uw_context);",
adamc@282 1646 newline,
adamc@275 1647 newline,
adamc@311 1648 string "void uw_db_init(uw_context ctx) {",
adamc@273 1649 newline,
adamc@272 1650 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1651 string (String.toString s),
adamc@272 1652 string "\");",
adamc@272 1653 newline,
adamc@311 1654 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1655 string "\"libpq can't allocate a connection.\");",
adamc@272 1656 newline,
adamc@272 1657 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1658 newline,
adamc@272 1659 box [string "char msg[1024];",
adamc@272 1660 newline,
adamc@272 1661 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1662 newline,
adamc@272 1663 string "msg[1023] = 0;",
adamc@272 1664 newline,
adamc@272 1665 string "PQfinish(conn);",
adamc@272 1666 newline,
adamc@311 1667 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1668 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1669 newline,
adamc@272 1670 string "}",
adamc@272 1671 newline,
adamc@311 1672 string "uw_set_db(ctx, conn);",
adamc@272 1673 newline,
adamc@311 1674 string "uw_db_validate(ctx);",
adamc@275 1675 newline,
adamc@311 1676 string "uw_db_prepare(ctx);",
adamc@282 1677 newline,
adamc@272 1678 string "}",
adamc@272 1679 newline,
adamc@272 1680 newline,
adamc@311 1681 string "void uw_db_close(uw_context ctx) {",
adamc@272 1682 newline,
adamc@311 1683 string "PQfinish(uw_get_db(ctx));",
adamc@272 1684 newline,
adamc@272 1685 string "}",
adamc@424 1686 newline,
adamc@424 1687 newline,
adamc@424 1688
adamc@424 1689 string "int uw_db_begin(uw_context ctx) {",
adamc@424 1690 newline,
adamc@424 1691 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1692 newline,
adamc@424 1693 string "PGresult *res = PQexec(conn, \"BEGIN\");",
adamc@424 1694 newline,
adamc@424 1695 newline,
adamc@424 1696 string "if (res == NULL) return 1;",
adamc@424 1697 newline,
adamc@424 1698 newline,
adamc@424 1699 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1700 box [string "PQclear(res);",
adamc@424 1701 newline,
adamc@424 1702 string "return 1;",
adamc@424 1703 newline],
adamc@424 1704 string "}",
adamc@424 1705 newline,
adamc@424 1706 string "return 0;",
adamc@424 1707 newline,
adamc@424 1708 string "}",
adamc@424 1709 newline,
adamc@424 1710 newline,
adamc@424 1711
adamc@424 1712 string "int uw_db_commit(uw_context ctx) {",
adamc@424 1713 newline,
adamc@424 1714 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1715 newline,
adamc@424 1716 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@424 1717 newline,
adamc@424 1718 newline,
adamc@424 1719 string "if (res == NULL) return 1;",
adamc@424 1720 newline,
adamc@424 1721 newline,
adamc@424 1722 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1723 box [string "PQclear(res);",
adamc@424 1724 newline,
adamc@424 1725 string "return 1;",
adamc@424 1726 newline],
adamc@424 1727 string "}",
adamc@424 1728 newline,
adamc@424 1729 string "return 0;",
adamc@424 1730 newline,
adamc@424 1731 string "}",
adamc@424 1732 newline,
adamc@424 1733 newline,
adamc@424 1734
adamc@424 1735 string "int uw_db_rollback(uw_context ctx) {",
adamc@424 1736 newline,
adamc@424 1737 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1738 newline,
adamc@424 1739 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@424 1740 newline,
adamc@424 1741 newline,
adamc@424 1742 string "if (res == NULL) return 1;",
adamc@424 1743 newline,
adamc@424 1744 newline,
adamc@424 1745 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1746 box [string "PQclear(res);",
adamc@424 1747 newline,
adamc@424 1748 string "return 1;",
adamc@424 1749 newline],
adamc@424 1750 string "}",
adamc@424 1751 newline,
adamc@424 1752 string "return 0;",
adamc@424 1753 newline,
adamc@424 1754 string "}",
adamc@272 1755 newline]
adamc@29 1756
adamc@467 1757 | DPreparedStatements [] =>
adamc@467 1758 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 1759 newline,
adamc@467 1760 string "}"]
adamc@282 1761 | DPreparedStatements ss =>
adamc@311 1762 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1763 newline,
adamc@311 1764 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1765 newline,
adamc@282 1766 string "PGresult *res;",
adamc@282 1767 newline,
adamc@282 1768 newline,
adamc@282 1769
adamc@282 1770 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1771 box [string "res = PQprepare(conn, \"uw",
adamc@282 1772 string (Int.toString i),
adamc@282 1773 string "\", \"",
adamc@282 1774 string (String.toString s),
adamc@282 1775 string "\", ",
adamc@282 1776 string (Int.toString n),
adamc@282 1777 string ", NULL);",
adamc@282 1778 newline,
adamc@282 1779 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1780 newline,
adamc@282 1781 box [string "char msg[1024];",
adamc@282 1782 newline,
adamc@282 1783 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1784 newline,
adamc@282 1785 string "msg[1023] = 0;",
adamc@282 1786 newline,
adamc@282 1787 string "PQclear(res);",
adamc@282 1788 newline,
adamc@282 1789 string "PQfinish(conn);",
adamc@282 1790 newline,
adamc@311 1791 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1792 string (String.toString s),
adamc@282 1793 string "\\n%s\", msg);",
adamc@282 1794 newline],
adamc@282 1795 string "}",
adamc@282 1796 newline,
adamc@282 1797 string "PQclear(res);",
adamc@282 1798 newline])
adamc@282 1799 ss,
adamc@282 1800
adamc@282 1801 string "}"]
adamc@282 1802
adamc@144 1803 datatype 'a search =
adamc@144 1804 Found of 'a
adamc@144 1805 | NotFound
adamc@144 1806 | Error
adamc@120 1807
adamc@467 1808 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 1809 case t of
adamc@275 1810 TFfi ("Basis", "int") => "int8"
adamc@275 1811 | TFfi ("Basis", "float") => "float8"
adamc@275 1812 | TFfi ("Basis", "string") => "text"
adamc@275 1813 | TFfi ("Basis", "bool") => "bool"
adamc@438 1814 | TFfi ("Basis", "time") => "timestamp"
adamc@275 1815 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1816 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1817 "ERROR")
adamc@275 1818
adamc@467 1819 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 1820 case t of
adamc@467 1821 (TOption t, _) => p_sqltype'' env t
adamc@467 1822 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 1823
adamc@275 1824 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1825
adamc@467 1826 fun p_sqltype_base' env t =
adamc@467 1827 case t of
adamc@467 1828 (TOption t, _) => p_sqltype'' env t
adamc@467 1829 | _ => p_sqltype'' env t
adamc@467 1830
adamc@467 1831 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 1832
adamc@467 1833 fun is_not_null t =
adamc@467 1834 case t of
adamc@467 1835 (TOption _, _) => false
adamc@467 1836 | _ => true
adamc@467 1837
adamc@101 1838 fun p_file env (ds, ps) =
adamc@29 1839 let
adamc@101 1840 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1841 (p_decl env d,
adamc@31 1842 E.declBinds env d))
adamc@101 1843 env ds
adamc@144 1844
adamc@144 1845 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1846 case ek of
adamc@144 1847 Core.Link => fields
adamc@144 1848 | Core.Action =>
adamc@280 1849 case List.nth (ts, length ts - 2) of
adamc@144 1850 (TRecord i, _) =>
adamc@144 1851 let
adamc@144 1852 val xts = E.lookupStruct env i
adamc@144 1853 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1854 in
adamc@144 1855 foldl (fn ((x, _), fields) =>
adamc@144 1856 let
adamc@144 1857 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1858 in
adamc@144 1859 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1860 xtsSet'))
adamc@144 1861 end) fields xts
adamc@144 1862 end
adamc@144 1863 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1864 SM.empty ps
adamc@144 1865
adamc@144 1866 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1867 let
adamc@144 1868 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1869 case SM.find (fnums, x') of
adamc@144 1870 NONE => unusable
adamc@144 1871 | SOME n => IS.add (unusable, n))
adamc@144 1872 IS.empty xs
adamc@144 1873
adamc@144 1874 fun findAvailable n =
adamc@144 1875 if IS.member (unusable, n) then
adamc@144 1876 findAvailable (n + 1)
adamc@144 1877 else
adamc@144 1878 n
adamc@144 1879 in
adamc@144 1880 SM.insert (fnums, x, findAvailable 0)
adamc@144 1881 end)
adamc@144 1882 SM.empty fields
adamc@144 1883
adamc@144 1884 fun makeSwitch (fnums, i) =
adamc@144 1885 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1886 | (n, Error) => Error
adamc@144 1887 | (n, Found n') => if n = n' then
adamc@144 1888 Found n'
adamc@144 1889 else
adamc@144 1890 Error) NotFound fnums of
adamc@144 1891 NotFound => box [string "return",
adamc@144 1892 space,
adamc@144 1893 string "-1;"]
adamc@144 1894 | Found n => box [string "return",
adamc@144 1895 space,
adamc@144 1896 string (Int.toString n),
adamc@144 1897 string ";"]
adamc@144 1898 | Error =>
adamc@144 1899 let
adamc@144 1900 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1901 let
adamc@144 1902 val ch = if i < size x then
adamc@144 1903 String.sub (x, i)
adamc@144 1904 else
adamc@144 1905 chr 0
adamc@144 1906
adamc@144 1907 val fnums = case CM.find (cmap, ch) of
adamc@144 1908 NONE => SM.empty
adamc@144 1909 | SOME fnums => fnums
adamc@144 1910 val fnums = SM.insert (fnums, x, n)
adamc@144 1911 in
adamc@144 1912 CM.insert (cmap, ch, fnums)
adamc@144 1913 end)
adamc@144 1914 CM.empty fnums
adamc@144 1915
adamc@144 1916 val cmap = CM.listItemsi cmap
adamc@144 1917 in
adamc@144 1918 case cmap of
adamc@144 1919 [(_, fnums)] =>
adamc@144 1920 box [string "if",
adamc@144 1921 space,
adamc@144 1922 string "(name[",
adamc@144 1923 string (Int.toString i),
adamc@144 1924 string "]",
adamc@144 1925 space,
adamc@144 1926 string "==",
adamc@144 1927 space,
adamc@144 1928 string "0)",
adamc@144 1929 space,
adamc@144 1930 string "return",
adamc@144 1931 space,
adamc@144 1932 string "-1;",
adamc@144 1933 newline,
adamc@144 1934 makeSwitch (fnums, i+1)]
adamc@144 1935 | _ =>
adamc@144 1936 box [string "switch",
adamc@144 1937 space,
adamc@144 1938 string "(name[",
adamc@144 1939 string (Int.toString i),
adamc@144 1940 string "])",
adamc@144 1941 space,
adamc@144 1942 string "{",
adamc@144 1943 newline,
adamc@144 1944 box (map (fn (ch, fnums) =>
adamc@144 1945 box [string "case",
adamc@144 1946 space,
adamc@144 1947 if ch = chr 0 then
adamc@144 1948 string "0:"
adamc@144 1949 else
adamc@144 1950 box [string "'",
adamc@144 1951 string (Char.toString ch),
adamc@144 1952 string "':"],
adamc@144 1953 newline,
adamc@144 1954 makeSwitch (fnums, i+1),
adamc@144 1955 newline]) cmap),
adamc@144 1956 string "default:",
adamc@144 1957 newline,
adamc@144 1958 string "return",
adamc@144 1959 space,
adamc@144 1960 string "-1;",
adamc@144 1961 newline,
adamc@144 1962 string "}"]
adamc@144 1963 end
adamc@144 1964
adamc@144 1965 fun p_page (ek, s, n, ts) =
adamc@144 1966 let
adamc@144 1967 val (ts, defInputs, inputsVar) =
adamc@144 1968 case ek of
adamc@314 1969 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1970 | Core.Action =>
adamc@280 1971 case List.nth (ts, length ts - 2) of
adamc@144 1972 (TRecord i, _) =>
adamc@144 1973 let
adamc@144 1974 val xts = E.lookupStruct env i
adamc@144 1975 in
adamc@280 1976 (List.take (ts, length ts - 2),
adamc@144 1977 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1978 space,
adamc@311 1979 string "uw_input_",
adamc@316 1980 p_ident x,
adamc@144 1981 string ";",
adamc@144 1982 newline]) xts),
adamc@144 1983 newline,
adamc@144 1984 box (map (fn (x, t) =>
adamc@144 1985 let
adamc@144 1986 val n = case SM.find (fnums, x) of
adamc@144 1987 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1988 | SOME n => n
adamc@190 1989
adamc@190 1990 val f = case t of
adamc@190 1991 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1992 | _ => ""
adamc@144 1993 in
adamc@311 1994 box [string "request = uw_get_",
adamc@190 1995 string f,
adamc@190 1996 string "input(ctx, ",
adamc@144 1997 string (Int.toString n),
adamc@144 1998 string ");",
adamc@144 1999 newline,
adamc@433 2000 string "if (request == NULL)",
adamc@144 2001 newline,
adamc@433 2002 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@144 2003 string x,
adamc@433 2004 string "\");"],
adamc@144 2005 newline,
adamc@311 2006 string "uw_input_",
adamc@316 2007 p_ident x,
adamc@144 2008 space,
adamc@144 2009 string "=",
adamc@144 2010 space,
adamc@463 2011 unurlify env t,
adamc@144 2012 string ";",
adamc@144 2013 newline]
adamc@144 2014 end) xts),
adamc@311 2015 string "struct __uws_",
adamc@144 2016 string (Int.toString i),
adamc@144 2017 space,
adamc@311 2018 string "uw_inputs",
adamc@144 2019 space,
adamc@144 2020 string "= {",
adamc@144 2021 newline,
adamc@311 2022 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2023 p_ident x,
adamc@144 2024 string ",",
adamc@144 2025 newline]) xts),
adamc@144 2026 string "};",
adamc@144 2027 newline],
adamc@144 2028 box [string ",",
adamc@144 2029 space,
adamc@311 2030 string "uw_inputs"])
adamc@144 2031 end
adamc@144 2032
adamc@144 2033 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 2034 in
adamc@144 2035 box [string "if (!strncmp(request, \"",
adamc@144 2036 string (String.toString s),
adamc@144 2037 string "\", ",
adamc@144 2038 string (Int.toString (size s)),
adamc@198 2039 string ") && (request[",
adamc@198 2040 string (Int.toString (size s)),
adamc@198 2041 string "] == 0 || request[",
adamc@198 2042 string (Int.toString (size s)),
adamc@198 2043 string "] == '/')) {",
adamc@144 2044 newline,
adamc@144 2045 string "request += ",
adamc@144 2046 string (Int.toString (size s)),
adamc@144 2047 string ";",
adamc@144 2048 newline,
adamc@144 2049 string "if (*request == '/') ++request;",
adamc@144 2050 newline,
adamc@144 2051 box [string "{",
adamc@144 2052 newline,
adamc@144 2053 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2054 space,
adamc@144 2055 string "arg",
adamc@144 2056 string (Int.toString i),
adamc@144 2057 space,
adamc@144 2058 string "=",
adamc@144 2059 space,
adamc@463 2060 unurlify env t,
adamc@144 2061 string ";",
adamc@144 2062 newline]) ts),
adamc@144 2063 defInputs,
adamc@144 2064 p_enamed env n,
adamc@144 2065 string "(",
adamc@144 2066 p_list_sep (box [string ",", space])
adamc@144 2067 (fn x => x)
adamc@272 2068 (string "ctx"
adamc@280 2069 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2070 inputsVar,
adamc@311 2071 string ", uw_unit_v);",
adamc@144 2072 newline,
adamc@144 2073 string "return;",
adamc@144 2074 newline,
adamc@144 2075 string "}",
adamc@144 2076 newline,
adamc@144 2077 string "}"]
adamc@144 2078 ]
adamc@144 2079 end
adamc@144 2080
adamc@144 2081 val pds' = map p_page ps
adamc@275 2082
adamc@275 2083 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 2084 | _ => NONE) ds
adamc@377 2085 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2086 | _ => NONE) ds
adamc@275 2087
adamc@275 2088 val validate =
adamc@311 2089 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2090 newline,
adamc@311 2091 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2092 newline,
adamc@275 2093 string "PGresult *res;",
adamc@275 2094 newline,
adamc@275 2095 newline,
adamc@275 2096 p_list_sep newline
adamc@275 2097 (fn (s, xts) =>
adamc@275 2098 let
adamc@377 2099 val sl = CharVector.map Char.toLower s
adamc@377 2100
adamc@275 2101 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2102 ^ sl ^ "'"
adamc@275 2103
adamc@275 2104 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2105 sl,
adamc@275 2106 "') AND (",
adamc@275 2107 String.concatWith " OR "
adamc@275 2108 (map (fn (x, t) =>
adamc@311 2109 String.concat ["(attname = 'uw_",
adamc@275 2110 CharVector.map
adamc@316 2111 Char.toLower (ident x),
adamc@275 2112 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2113 " WHERE typname = '",
adamc@467 2114 p_sqltype_base' env t,
adamc@467 2115 "') AND attnotnull = ",
adamc@467 2116 if is_not_null t then
adamc@467 2117 "TRUE"
adamc@467 2118 else
adamc@467 2119 "FALSE",
adamc@467 2120 ")"]) xts),
adamc@275 2121 ")"]
adamc@275 2122
adamc@275 2123 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2124 sl,
adamc@325 2125 "') AND attname LIKE 'uw_%'"]
adamc@275 2126 in
adamc@275 2127 box [string "res = PQexec(conn, \"",
adamc@275 2128 string q,
adamc@275 2129 string "\");",
adamc@275 2130 newline,
adamc@275 2131 newline,
adamc@275 2132 string "if (res == NULL) {",
adamc@275 2133 newline,
adamc@275 2134 box [string "PQfinish(conn);",
adamc@275 2135 newline,
adamc@311 2136 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2137 newline],
adamc@275 2138 string "}",
adamc@275 2139 newline,
adamc@275 2140 newline,
adamc@275 2141 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2142 newline,
adamc@275 2143 box [string "char msg[1024];",
adamc@275 2144 newline,
adamc@275 2145 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2146 newline,
adamc@275 2147 string "msg[1023] = 0;",
adamc@275 2148 newline,
adamc@275 2149 string "PQclear(res);",
adamc@275 2150 newline,
adamc@275 2151 string "PQfinish(conn);",
adamc@275 2152 newline,
adamc@311 2153 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2154 string q,
adamc@275 2155 string "\\n%s\", msg);",
adamc@275 2156 newline],
adamc@275 2157 string "}",
adamc@275 2158 newline,
adamc@275 2159 newline,
adamc@275 2160 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2161 newline,
adamc@275 2162 box [string "PQclear(res);",
adamc@275 2163 newline,
adamc@275 2164 string "PQfinish(conn);",
adamc@275 2165 newline,
adamc@311 2166 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2167 string s,
adamc@275 2168 string "' does not exist.\");",
adamc@275 2169 newline],
adamc@275 2170 string "}",
adamc@275 2171 newline,
adamc@275 2172 newline,
adamc@275 2173 string "PQclear(res);",
adamc@275 2174 newline,
adamc@275 2175
adamc@275 2176 string "res = PQexec(conn, \"",
adamc@275 2177 string q',
adamc@275 2178 string "\");",
adamc@275 2179 newline,
adamc@275 2180 newline,
adamc@275 2181 string "if (res == NULL) {",
adamc@275 2182 newline,
adamc@275 2183 box [string "PQfinish(conn);",
adamc@275 2184 newline,
adamc@311 2185 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2186 newline],
adamc@275 2187 string "}",
adamc@275 2188 newline,
adamc@275 2189 newline,
adamc@275 2190 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2191 newline,
adamc@275 2192 box [string "char msg[1024];",
adamc@275 2193 newline,
adamc@275 2194 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2195 newline,
adamc@275 2196 string "msg[1023] = 0;",
adamc@275 2197 newline,
adamc@275 2198 string "PQclear(res);",
adamc@275 2199 newline,
adamc@275 2200 string "PQfinish(conn);",
adamc@275 2201 newline,
adamc@311 2202 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2203 string q',
adamc@275 2204 string "\\n%s\", msg);",
adamc@275 2205 newline],
adamc@275 2206 string "}",
adamc@275 2207 newline,
adamc@275 2208 newline,
adamc@275 2209 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2210 string (Int.toString (length xts)),
adamc@275 2211 string "\")) {",
adamc@275 2212 newline,
adamc@275 2213 box [string "PQclear(res);",
adamc@275 2214 newline,
adamc@275 2215 string "PQfinish(conn);",
adamc@275 2216 newline,
adamc@311 2217 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2218 string s,
adamc@275 2219 string "' has the wrong column types.\");",
adamc@275 2220 newline],
adamc@275 2221 string "}",
adamc@275 2222 newline,
adamc@275 2223 newline,
adamc@275 2224 string "PQclear(res);",
adamc@275 2225 newline,
adamc@275 2226 newline,
adamc@275 2227
adamc@275 2228 string "res = PQexec(conn, \"",
adamc@275 2229 string q'',
adamc@275 2230 string "\");",
adamc@275 2231 newline,
adamc@275 2232 newline,
adamc@275 2233 string "if (res == NULL) {",
adamc@275 2234 newline,
adamc@275 2235 box [string "PQfinish(conn);",
adamc@275 2236 newline,
adamc@311 2237 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2238 newline],
adamc@275 2239 string "}",
adamc@275 2240 newline,
adamc@275 2241 newline,
adamc@275 2242 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2243 newline,
adamc@275 2244 box [string "char msg[1024];",
adamc@275 2245 newline,
adamc@275 2246 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2247 newline,
adamc@275 2248 string "msg[1023] = 0;",
adamc@275 2249 newline,
adamc@275 2250 string "PQclear(res);",
adamc@275 2251 newline,
adamc@275 2252 string "PQfinish(conn);",
adamc@275 2253 newline,
adamc@311 2254 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2255 string q'',
adamc@275 2256 string "\\n%s\", msg);",
adamc@275 2257 newline],
adamc@275 2258 string "}",
adamc@275 2259 newline,
adamc@275 2260 newline,
adamc@275 2261 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2262 string (Int.toString (length xts)),
adamc@275 2263 string "\")) {",
adamc@275 2264 newline,
adamc@275 2265 box [string "PQclear(res);",
adamc@275 2266 newline,
adamc@275 2267 string "PQfinish(conn);",
adamc@275 2268 newline,
adamc@311 2269 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2270 string s,
adamc@275 2271 string "' has extra columns.\");",
adamc@275 2272 newline],
adamc@275 2273 string "}",
adamc@275 2274 newline,
adamc@275 2275 newline,
adamc@275 2276 string "PQclear(res);",
adamc@275 2277 newline]
adamc@275 2278 end) tables,
adamc@377 2279
adamc@377 2280 p_list_sep newline
adamc@377 2281 (fn s =>
adamc@377 2282 let
adamc@377 2283 val sl = CharVector.map Char.toLower s
adamc@377 2284
adamc@377 2285 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2286 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2287 in
adamc@377 2288 box [string "res = PQexec(conn, \"",
adamc@377 2289 string q,
adamc@377 2290 string "\");",
adamc@377 2291 newline,
adamc@377 2292 newline,
adamc@377 2293 string "if (res == NULL) {",
adamc@377 2294 newline,
adamc@377 2295 box [string "PQfinish(conn);",
adamc@377 2296 newline,
adamc@377 2297 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2298 newline],
adamc@377 2299 string "}",
adamc@377 2300 newline,
adamc@377 2301 newline,
adamc@377 2302 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2303 newline,
adamc@377 2304 box [string "char msg[1024];",
adamc@377 2305 newline,
adamc@377 2306 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2307 newline,
adamc@377 2308 string "msg[1023] = 0;",
adamc@377 2309 newline,
adamc@377 2310 string "PQclear(res);",
adamc@377 2311 newline,
adamc@377 2312 string "PQfinish(conn);",
adamc@377 2313 newline,
adamc@377 2314 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2315 string q,
adamc@377 2316 string "\\n%s\", msg);",
adamc@377 2317 newline],
adamc@377 2318 string "}",
adamc@377 2319 newline,
adamc@377 2320 newline,
adamc@377 2321 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2322 newline,
adamc@377 2323 box [string "PQclear(res);",
adamc@377 2324 newline,
adamc@377 2325 string "PQfinish(conn);",
adamc@377 2326 newline,
adamc@377 2327 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2328 string s,
adamc@377 2329 string "' does not exist.\");",
adamc@377 2330 newline],
adamc@377 2331 string "}",
adamc@377 2332 newline,
adamc@377 2333 newline,
adamc@377 2334 string "PQclear(res);",
adamc@377 2335 newline]
adamc@377 2336 end) sequences,
adamc@377 2337
adamc@275 2338 string "}"]
adamc@432 2339
adamc@432 2340 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@29 2341 in
adamc@144 2342 box [string "#include <stdio.h>",
adamc@144 2343 newline,
adamc@144 2344 string "#include <stdlib.h>",
adamc@144 2345 newline,
adamc@272 2346 string "#include <string.h>",
adamc@272 2347 newline,
adamc@390 2348 string "#include <math.h>",
adamc@390 2349 newline,
adamc@432 2350 if hasDb then
adamc@432 2351 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2352 newline]
adamc@432 2353 else
adamc@432 2354 box [],
adamc@144 2355 newline,
adamc@378 2356 string "#include \"",
adamc@378 2357 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2358 file = "urweb.h"}),
adamc@378 2359 string "\"",
adamc@101 2360 newline,
adamc@101 2361 newline,
adamc@101 2362 p_list_sep newline (fn x => x) pds,
adamc@101 2363 newline,
adamc@311 2364 string "int uw_inputs_len = ",
adamc@144 2365 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2366 string ";",
adamc@144 2367 newline,
adamc@144 2368 newline,
adamc@311 2369 string "int uw_input_num(char *name) {",
adamc@144 2370 newline,
adamc@144 2371 makeSwitch (fnums, 0),
adamc@144 2372 string "}",
adamc@144 2373 newline,
adamc@144 2374 newline,
adamc@311 2375 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2376 newline,
adamc@101 2377 p_list_sep newline (fn x => x) pds',
adamc@101 2378 newline,
adamc@387 2379 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2380 newline,
adamc@101 2381 string "}",
adamc@275 2382 newline,
adamc@275 2383 newline,
adamc@432 2384 if hasDb then
adamc@432 2385 validate
adamc@432 2386 else
adamc@432 2387 box [],
adamc@376 2388 newline,
adamc@376 2389 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2390 box []
adamc@376 2391 else
adamc@376 2392 box [newline,
adamc@376 2393 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2394 newline,
adamc@424 2395 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2396 newline,
adamc@424 2397 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2398 newline,
adamc@424 2399 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@376 2400 newline]]
adamc@29 2401 end
adamc@29 2402
adamc@274 2403 fun p_sql env (ds, _) =
adamc@274 2404 let
adamc@274 2405 val (pps, _) = ListUtil.foldlMap
adamc@274 2406 (fn (dAll as (d, _), env) =>
adamc@274 2407 let
adamc@274 2408 val pp = case d of
adamc@274 2409 DTable (s, xts) =>
adamc@274 2410 box [string "CREATE TABLE ",
adamc@274 2411 string s,
adamc@274 2412 string "(",
adamc@274 2413 p_list (fn (x, t) =>
adamc@311 2414 box [string "uw_",
adamc@275 2415 string (CharVector.map Char.toLower x),
adamc@274 2416 space,
adamc@467 2417 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@274 2418 string ");",
adamc@274 2419 newline,
adamc@274 2420 newline]
adamc@338 2421 | DSequence s =>
adamc@338 2422 box [string "CREATE SEQUENCE ",
adamc@338 2423 string s,
adamc@338 2424 string ";",
adamc@338 2425 newline,
adamc@338 2426 newline]
adamc@274 2427 | _ => box []
adamc@274 2428 in
adamc@274 2429 (pp, E.declBinds env dAll)
adamc@274 2430 end)
adamc@274 2431 env ds
adamc@274 2432 in
adamc@274 2433 box pps
adamc@274 2434 end
adamc@274 2435
adamc@29 2436 end