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annotate src/cjr_print.sml @ 331:41458a694575

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Optimize immediate writes of query results
author Adam Chlipala <adamc@hcoop.net>
date Sat, 13 Sep 2008 10:44:58 -0400
parents e457d8972ff1
children 18d5affa790d
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@29 65 fun p_typ' par env (t, loc) =
adamc@29 66 case t of
adamc@269 67 TFun (t1, t2) => parenIf par (box [p_typ' true env t2,
adamc@109 68 space,
adamc@109 69 string "(*)",
adamc@109 70 space,
adamc@109 71 string "(",
adamc@109 72 p_typ env t1,
adamc@109 73 string ")"])
adamc@29 74 | TRecord i => box [string "struct",
adamc@29 75 space,
adamc@311 76 string "__uws_",
adamc@29 77 string (Int.toString i)]
adamc@188 78 | TDatatype (Enum, n, _) =>
adamc@188 79 (box [string "enum",
adamc@188 80 space,
adamc@311 81 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 82 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 83 | TDatatype (Option, n, xncs) =>
adamc@198 84 (case ListUtil.search #3 (!xncs) of
adamc@198 85 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 86 | SOME t =>
adamc@198 87 case #1 t of
adamc@198 88 TDatatype _ => p_typ' par env t
adamc@199 89 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 90 | _ => box [p_typ' par env t,
adamc@198 91 string "*"])
adamc@188 92 | TDatatype (Default, n, _) =>
adamc@165 93 (box [string "struct",
adamc@165 94 space,
adamc@311 95 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 96 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 97 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 98 | TOption t =>
adamc@288 99 (case #1 t of
adamc@288 100 TDatatype _ => p_typ' par env t
adamc@288 101 | TFfi ("Basis", "string") => p_typ' par env t
adamc@288 102 | _ => box [p_typ' par env t,
adamc@288 103 string "*"])
adamc@29 104
adamc@29 105 and p_typ env = p_typ' false env
adamc@29 106
adamc@316 107 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 108 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 109
adamc@109 110 fun p_enamed env n =
adamc@316 111 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 112 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 113
adamc@182 114 fun p_con_named env n =
adamc@316 115 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 116 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 117
adamc@182 118 fun p_pat_preamble env (p, _) =
adamc@182 119 case p of
adamc@182 120 PWild => (box [],
adamc@182 121 env)
adamc@182 122 | PVar (x, t) => (box [p_typ env t,
adamc@182 123 space,
adamc@311 124 string "__uwr_",
adamc@316 125 p_ident x,
adamc@182 126 string "_",
adamc@182 127 string (Int.toString (E.countERels env)),
adamc@182 128 string ";",
adamc@182 129 newline],
adamc@196 130 E.pushERel env x t)
adamc@182 131 | PPrim _ => (box [], env)
adamc@188 132 | PCon (_, _, NONE) => (box [], env)
adamc@188 133 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 134 | PRecord xps =>
adamc@182 135 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 136 let
adamc@182 137 val (pp', env) = p_pat_preamble env p
adamc@182 138 in
adamc@182 139 (box [pp', pp], env)
adamc@182 140 end) (box [], env) xps
adamc@288 141 | PNone _ => (box [], env)
adamc@288 142 | PSome (_, p) => p_pat_preamble env p
adamc@182 143
adamc@182 144 fun p_patCon env pc =
adamc@182 145 case pc of
adamc@182 146 PConVar n => p_con_named env n
adamc@316 147 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 148
adamc@182 149 fun p_pat (env, exit, depth) (p, _) =
adamc@182 150 case p of
adamc@182 151 PWild =>
adamc@182 152 (box [], env)
adamc@182 153 | PVar (x, t) =>
adamc@311 154 (box [string "__uwr_",
adamc@316 155 p_ident x,
adamc@182 156 string "_",
adamc@182 157 string (Int.toString (E.countERels env)),
adamc@182 158 space,
adamc@182 159 string "=",
adamc@182 160 space,
adamc@182 161 string "disc",
adamc@182 162 string (Int.toString depth),
adamc@182 163 string ";"],
adamc@182 164 E.pushERel env x t)
adamc@182 165 | PPrim (Prim.Int n) =>
adamc@182 166 (box [string "if",
adamc@182 167 space,
adamc@182 168 string "(disc",
adamc@182 169 string (Int.toString depth),
adamc@182 170 space,
adamc@182 171 string "!=",
adamc@182 172 space,
adamc@276 173 Prim.p_t_GCC (Prim.Int n),
adamc@182 174 string ")",
adamc@182 175 space,
adamc@182 176 exit],
adamc@182 177 env)
adamc@182 178 | PPrim (Prim.String s) =>
adamc@182 179 (box [string "if",
adamc@182 180 space,
adamc@182 181 string "(strcmp(disc",
adamc@182 182 string (Int.toString depth),
adamc@182 183 string ",",
adamc@182 184 space,
adamc@276 185 Prim.p_t_GCC (Prim.String s),
adamc@182 186 string "))",
adamc@182 187 space,
adamc@182 188 exit],
adamc@182 189 env)
adamc@182 190 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 191
adamc@188 192 | PCon (dk, pc, po) =>
adamc@182 193 let
adamc@182 194 val (p, env) =
adamc@182 195 case po of
adamc@182 196 NONE => (box [], env)
adamc@182 197 | SOME p =>
adamc@182 198 let
adamc@182 199 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 200
adamc@182 201 val (x, to) = case pc of
adamc@182 202 PConVar n =>
adamc@182 203 let
adamc@182 204 val (x, to, _) = E.lookupConstructor env n
adamc@182 205 in
adamc@316 206 ("uw_" ^ ident x, to)
adamc@182 207 end
adamc@188 208 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 209 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 210
adamc@182 211 val t = case to of
adamc@182 212 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 213 | SOME t => t
adamc@182 214 in
adamc@182 215 (box [string "{",
adamc@182 216 newline,
adamc@182 217 p_typ env t,
adamc@182 218 space,
adamc@182 219 string "disc",
adamc@182 220 string (Int.toString (depth + 1)),
adamc@182 221 space,
adamc@182 222 string "=",
adamc@182 223 space,
adamc@198 224 case dk of
adamc@198 225 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 226 | Default => box [string "disc",
adamc@198 227 string (Int.toString depth),
adamc@198 228 string "->data.",
adamc@198 229 string x]
adamc@198 230 | Option =>
adamc@198 231 case #1 t of
adamc@198 232 TDatatype _ => box [string "disc",
adamc@198 233 string (Int.toString depth)]
adamc@199 234 | TFfi ("Basis", "string") => box [string "disc",
adamc@199 235 string (Int.toString depth)]
adamc@198 236 | _ => box [string "*disc",
adamc@198 237 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@288 338 case #1 t of
adamc@288 339 TDatatype _ => box [string "disc",
adamc@288 340 string (Int.toString depth)]
adamc@288 341 | TFfi ("Basis", "string") => box [string "disc",
adamc@288 342 string (Int.toString depth)]
adamc@288 343 | _ => box [string "*disc",
adamc@288 344 string (Int.toString depth)],
adamc@288 345 string ";",
adamc@288 346 newline,
adamc@288 347 p,
adamc@288 348 newline,
adamc@288 349 string "}"],
adamc@288 350 env)
adamc@288 351 end
adamc@288 352 in
adamc@288 353 (box [string "if",
adamc@288 354 space,
adamc@288 355 string "(disc",
adamc@288 356 string (Int.toString depth),
adamc@288 357 space,
adamc@288 358 string "==",
adamc@288 359 space,
adamc@288 360 string "NULL)",
adamc@288 361 space,
adamc@288 362 exit,
adamc@288 363 newline,
adamc@288 364 p],
adamc@288 365 env)
adamc@288 366 end
adamc@288 367
adamc@182 368 local
adamc@182 369 val count = ref 0
adamc@182 370 in
adamc@182 371 fun newGoto () =
adamc@182 372 let
adamc@182 373 val r = !count
adamc@182 374 in
adamc@182 375 count := r + 1;
adamc@182 376 string ("L" ^ Int.toString r)
adamc@182 377 end
adamc@182 378 end
adamc@182 379
adamc@185 380 fun patConInfo env pc =
adamc@185 381 case pc of
adamc@185 382 PConVar n =>
adamc@185 383 let
adamc@185 384 val (x, _, dn) = E.lookupConstructor env n
adamc@185 385 val (dx, _) = E.lookupDatatype env dn
adamc@185 386 in
adamc@316 387 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 388 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 389 "uw_" ^ ident x)
adamc@185 390 end
adamc@186 391 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 392 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 393 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 394 "uw_" ^ ident con)
adamc@185 395
adamc@324 396 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 397 case t of
adamc@311 398 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 399 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 400 | TFfi ("Basis", "string") =>
adamc@324 401 if wontLeakStrings then
adamc@324 402 e
adamc@324 403 else
adamc@324 404 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 405 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@278 406 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 407 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 408 string "ERROR")
adamc@278 409
adamc@282 410 datatype sql_type =
adamc@282 411 Int
adamc@282 412 | Float
adamc@282 413 | String
adamc@282 414 | Bool
adamc@282 415
adamc@282 416 fun p_sql_type t =
adamc@282 417 string (case t of
adamc@311 418 Int => "uw_Basis_int"
adamc@311 419 | Float => "uw_Basis_float"
adamc@311 420 | String => "uw_Basis_string"
adamc@311 421 | Bool => "uw_Basis_bool")
adamc@282 422
adamc@282 423 fun getPargs (e, _) =
adamc@282 424 case e of
adamc@282 425 EPrim (Prim.String _) => []
adamc@282 426 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 427
adamc@282 428 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 429 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 430 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 431 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@322 432 | ECase (e, _, _) => [(e, Bool)]
adamc@282 433
adamc@282 434 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 435
adamc@282 436 fun p_ensql t e =
adamc@282 437 case t of
adamc@311 438 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 439 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 440 | String => e
adamc@295 441 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@282 442
adamc@282 443 fun p_ensql_len t e =
adamc@282 444 case t of
adamc@311 445 Int => string "sizeof(uw_Basis_int)"
adamc@311 446 | Float => string "sizeof(uw_Basis_float)"
adamc@282 447 | String => box [string "strlen(", e, string ")"]
adamc@311 448 | Bool => string "sizeof(uw_Basis_bool)"
adamc@282 449
adamc@324 450 fun notLeaky env allowHeapAllocated =
adamc@324 451 let
adamc@324 452 fun nl (t, _) =
adamc@324 453 case t of
adamc@324 454 TFun _ => false
adamc@324 455 | TRecord n =>
adamc@324 456 let
adamc@324 457 val xts = E.lookupStruct env n
adamc@324 458 in
adamc@324 459 List.all (fn (_, t) => nl t) xts
adamc@324 460 end
adamc@324 461 | TDatatype (dk, _, ref cons) =>
adamc@324 462 (allowHeapAllocated orelse dk = Enum)
adamc@324 463 andalso List.all (fn (_, _, to) => case to of
adamc@324 464 NONE => true
adamc@324 465 | SOME t => nl t) cons
adamc@324 466 | TFfi ("Basis", "string") => false
adamc@324 467 | TFfi _ => true
adamc@324 468 | TOption t => allowHeapAllocated andalso nl t
adamc@324 469 in
adamc@324 470 nl
adamc@324 471 end
adamc@324 472
adamc@182 473 fun p_exp' par env (e, loc) =
adamc@29 474 case e of
adamc@276 475 EPrim p => Prim.p_t_GCC p
adamc@29 476 | ERel n => p_rel env n
adamc@109 477 | ENamed n => p_enamed env n
adamc@188 478 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 479 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 480 | ECon (Option, pc, SOME e) =>
adamc@198 481 let
adamc@198 482 val to = case pc of
adamc@198 483 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 484 | PConFfi {arg, ...} => arg
adamc@198 485
adamc@198 486 val t = case to of
adamc@198 487 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 488 | SOME t => t
adamc@198 489 in
adamc@198 490 case #1 t of
adamc@198 491 TDatatype _ => p_exp' par env e
adamc@199 492 | TFfi ("Basis", "string") => p_exp' par env e
adamc@198 493 | _ => box [string "({",
adamc@198 494 newline,
adamc@198 495 p_typ env t,
adamc@198 496 space,
adamc@198 497 string "*tmp",
adamc@198 498 space,
adamc@198 499 string "=",
adamc@198 500 space,
adamc@311 501 string "uw_malloc(ctx, sizeof(",
adamc@198 502 p_typ env t,
adamc@198 503 string "));",
adamc@198 504 newline,
adamc@198 505 string "*tmp",
adamc@198 506 space,
adamc@198 507 string "=",
adamc@198 508 p_exp' par env e,
adamc@198 509 string ";",
adamc@198 510 newline,
adamc@198 511 string "tmp;",
adamc@198 512 newline,
adamc@198 513 string "})"]
adamc@198 514 end
adamc@188 515 | ECon (Default, pc, eo) =>
adamc@181 516 let
adamc@196 517 val (xd, xc, xn) = patConInfo env pc
adamc@181 518 in
adamc@182 519 box [string "({",
adamc@181 520 newline,
adamc@181 521 string "struct",
adamc@181 522 space,
adamc@185 523 string xd,
adamc@181 524 space,
adamc@181 525 string "*tmp",
adamc@181 526 space,
adamc@181 527 string "=",
adamc@181 528 space,
adamc@311 529 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 530 string xd,
adamc@181 531 string "));",
adamc@181 532 newline,
adamc@181 533 string "tmp->tag",
adamc@181 534 space,
adamc@181 535 string "=",
adamc@181 536 space,
adamc@185 537 string xc,
adamc@181 538 string ";",
adamc@181 539 newline,
adamc@181 540 case eo of
adamc@181 541 NONE => box []
adamc@185 542 | SOME e => box [string "tmp->data.",
adamc@196 543 string xn,
adamc@181 544 space,
adamc@181 545 string "=",
adamc@181 546 space,
adamc@181 547 p_exp env e,
adamc@181 548 string ";",
adamc@181 549 newline],
adamc@181 550 string "tmp;",
adamc@181 551 newline,
adamc@181 552 string "})"]
adamc@181 553 end
adamc@297 554 | ENone _ => string "NULL"
adamc@290 555 | ESome (t, e) =>
adamc@290 556 (case #1 t of
adamc@290 557 TDatatype _ => p_exp' par env e
adamc@290 558 | TFfi ("Basis", "string") => p_exp' par env e
adamc@290 559 | _ => box [string "({",
adamc@290 560 newline,
adamc@290 561 p_typ env t,
adamc@290 562 space,
adamc@290 563 string "*tmp",
adamc@290 564 space,
adamc@290 565 string "=",
adamc@290 566 space,
adamc@311 567 string "uw_malloc(ctx, sizeof(",
adamc@290 568 p_typ env t,
adamc@290 569 string "));",
adamc@290 570 newline,
adamc@290 571 string "*tmp",
adamc@290 572 space,
adamc@290 573 string "=",
adamc@290 574 p_exp' par env e,
adamc@290 575 string ";",
adamc@290 576 newline,
adamc@290 577 string "tmp;",
adamc@290 578 newline,
adamc@290 579 string "})"])
adamc@109 580
adamc@316 581 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 582 | EError (e, t) =>
adamc@283 583 box [string "({",
adamc@283 584 newline,
adamc@283 585 p_typ env t,
adamc@283 586 space,
adamc@283 587 string "tmp;",
adamc@283 588 newline,
adamc@311 589 string "uw_error(ctx, FATAL, \"",
adamc@292 590 string (ErrorMsg.spanToString loc),
adamc@292 591 string ": %s\", ",
adamc@283 592 p_exp env e,
adamc@283 593 string ");",
adamc@283 594 newline,
adamc@283 595 string "tmp;",
adamc@283 596 newline,
adamc@283 597 string "})"]
adamc@311 598 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 599 p_ident m,
adamc@53 600 string "_",
adamc@316 601 p_ident x,
adamc@117 602 string "(ctx, ",
adamc@53 603 p_list (p_exp env) es,
adamc@53 604 string ")"]
adamc@316 605 | EApp (f, args) =>
adamc@316 606 parenIf par (box [p_exp' true env f,
adamc@316 607 string "(ctx,",
adamc@316 608 space,
adamc@316 609 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 610 string ")"])
adamc@29 611
adamc@29 612 | ERecord (i, xes) => box [string "({",
adamc@29 613 space,
adamc@29 614 string "struct",
adamc@29 615 space,
adamc@311 616 string ("__uws_" ^ Int.toString i),
adamc@29 617 space,
adamc@181 618 string "tmp",
adamc@29 619 space,
adamc@29 620 string "=",
adamc@29 621 space,
adamc@29 622 string "{",
adamc@29 623 p_list (fn (_, e) =>
adamc@29 624 p_exp env e) xes,
adamc@29 625 string "};",
adamc@29 626 space,
adamc@181 627 string "tmp;",
adamc@29 628 space,
adamc@29 629 string "})" ]
adamc@29 630 | EField (e, x) =>
adamc@29 631 box [p_exp' true env e,
adamc@311 632 string ".__uwf_",
adamc@316 633 p_ident x]
adamc@29 634
adamc@182 635 | ECase (e, pes, {disc, result}) =>
adamc@182 636 let
adamc@182 637 val final = newGoto ()
adamc@182 638
adamc@182 639 val body = foldl (fn ((p, e), body) =>
adamc@182 640 let
adamc@182 641 val exit = newGoto ()
adamc@182 642 val (pr, _) = p_pat_preamble env p
adamc@182 643 val (p, env) = p_pat (env,
adamc@182 644 box [string "goto",
adamc@182 645 space,
adamc@182 646 exit,
adamc@182 647 string ";"],
adamc@182 648 0) p
adamc@182 649 in
adamc@182 650 box [body,
adamc@182 651 box [string "{",
adamc@182 652 newline,
adamc@182 653 pr,
adamc@182 654 newline,
adamc@182 655 p,
adamc@182 656 newline,
adamc@182 657 string "result",
adamc@182 658 space,
adamc@182 659 string "=",
adamc@182 660 space,
adamc@182 661 p_exp env e,
adamc@182 662 string ";",
adamc@182 663 newline,
adamc@182 664 string "goto",
adamc@182 665 space,
adamc@182 666 final,
adamc@182 667 string ";",
adamc@182 668 newline,
adamc@182 669 string "}"],
adamc@182 670 newline,
adamc@182 671 exit,
adamc@182 672 string ":",
adamc@182 673 newline]
adamc@182 674 end) (box []) pes
adamc@182 675 in
adamc@182 676 box [string "({",
adamc@182 677 newline,
adamc@182 678 p_typ env disc,
adamc@182 679 space,
adamc@182 680 string "disc0",
adamc@182 681 space,
adamc@182 682 string "=",
adamc@182 683 space,
adamc@182 684 p_exp env e,
adamc@182 685 string ";",
adamc@182 686 newline,
adamc@182 687 p_typ env result,
adamc@182 688 space,
adamc@182 689 string "result;",
adamc@182 690 newline,
adamc@182 691 body,
adamc@311 692 string "uw_error(ctx, FATAL, \"",
adamc@182 693 string (ErrorMsg.spanToString loc),
adamc@182 694 string ": pattern match failure\");",
adamc@182 695 newline,
adamc@182 696 final,
adamc@182 697 string ":",
adamc@182 698 space,
adamc@182 699 string "result;",
adamc@182 700 newline,
adamc@182 701 string "})"]
adamc@182 702 end
adamc@181 703
adamc@311 704 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 705 p_exp env e,
adamc@311 706 string "), uw_unit_v)"]
adamc@102 707
adamc@106 708 | ESeq (e1, e2) => box [string "(",
adamc@106 709 p_exp env e1,
adamc@106 710 string ",",
adamc@106 711 space,
adamc@106 712 p_exp env e2,
adamc@106 713 string ")"]
adamc@269 714 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 715 newline,
adamc@269 716 p_typ env t,
adamc@269 717 space,
adamc@311 718 string "__uwr_",
adamc@316 719 p_ident x,
adamc@272 720 string "_",
adamc@272 721 string (Int.toString (E.countERels env)),
adamc@269 722 space,
adamc@269 723 string "=",
adamc@269 724 space,
adamc@269 725 p_exp env e1,
adamc@269 726 string ";",
adamc@269 727 newline,
adamc@269 728 p_exp (E.pushERel env x t) e2,
adamc@269 729 string ";",
adamc@269 730 newline,
adamc@269 731 string "})"]
adamc@269 732
adamc@282 733 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 734 let
adamc@316 735 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 736 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 737 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 738 tables
adamc@278 739
adamc@278 740 val outputs = exps @ tables
adamc@325 741 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 742
adamc@324 743 val wontLeakStrings = notLeaky env true state
adamc@324 744 val wontLeakAnything = notLeaky env false state
adamc@278 745 in
adamc@324 746 box [string "(uw_begin_region(ctx), ",
adamc@324 747 if wontLeakAnything then
adamc@331 748 string "uw_begin_region(ctx), "
adamc@324 749 else
adamc@324 750 box [],
adamc@324 751 string "({",
adamc@278 752 newline,
adamc@311 753 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 754 newline,
adamc@282 755 case prepared of
adamc@282 756 NONE => box [string "char *query = ",
adamc@282 757 p_exp env query,
adamc@282 758 string ";",
adamc@282 759 newline]
adamc@282 760 | SOME _ =>
adamc@282 761 let
adamc@282 762 val ets = getPargs query
adamc@282 763 in
adamc@282 764 box [p_list_sepi newline
adamc@282 765 (fn i => fn (e, t) =>
adamc@282 766 box [p_sql_type t,
adamc@282 767 space,
adamc@282 768 string "arg",
adamc@282 769 string (Int.toString (i + 1)),
adamc@282 770 space,
adamc@282 771 string "=",
adamc@282 772 space,
adamc@282 773 p_exp env e,
adamc@282 774 string ";"])
adamc@282 775 ets,
adamc@282 776 newline,
adamc@282 777 newline,
adamc@282 778
adamc@282 779 string "const char *paramValues[] = { ",
adamc@282 780 p_list_sepi (box [string ",", space])
adamc@282 781 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 782 string (Int.toString (i + 1))]))
adamc@282 783 ets,
adamc@282 784 string " };",
adamc@282 785 newline,
adamc@282 786 newline]
adamc@282 787 end,
adamc@278 788 string "int n, i;",
adamc@278 789 newline,
adamc@278 790 p_typ env state,
adamc@278 791 space,
adamc@278 792 string "acc",
adamc@278 793 space,
adamc@278 794 string "=",
adamc@278 795 space,
adamc@278 796 p_exp env initial,
adamc@278 797 string ";",
adamc@278 798 newline,
adamc@282 799 string "PGresult *res = ",
adamc@282 800 case prepared of
adamc@295 801 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 802 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 803 string (Int.toString n),
adamc@282 804 string "\", ",
adamc@282 805 string (Int.toString (length (getPargs query))),
adamc@295 806 string ", paramValues, NULL, NULL, 0);"],
adamc@278 807 newline,
adamc@278 808 newline,
adamc@277 809
adamc@311 810 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 811 newline,
adamc@278 812 newline,
adamc@277 813
adamc@278 814 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 815 newline,
adamc@278 816 box [string "PQclear(res);",
adamc@278 817 newline,
adamc@311 818 string "uw_error(ctx, FATAL, \"",
adamc@278 819 string (ErrorMsg.spanToString loc),
adamc@282 820 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 821 case prepared of
adamc@282 822 NONE => string "query"
adamc@282 823 | SOME _ => p_exp env query,
adamc@282 824 string ", PQerrorMessage(conn));",
adamc@278 825 newline],
adamc@278 826 string "}",
adamc@278 827 newline,
adamc@278 828 newline,
adamc@277 829
adamc@323 830 string "uw_end_region(ctx);",
adamc@323 831 newline,
adamc@278 832 string "n = PQntuples(res);",
adamc@278 833 newline,
adamc@278 834 string "for (i = 0; i < n; ++i) {",
adamc@278 835 newline,
adamc@278 836 box [string "struct",
adamc@278 837 space,
adamc@311 838 string "__uws_",
adamc@278 839 string (Int.toString rnum),
adamc@278 840 space,
adamc@311 841 string "__uwr_r_",
adamc@278 842 string (Int.toString (E.countERels env)),
adamc@278 843 string ";",
adamc@278 844 newline,
adamc@278 845 p_typ env state,
adamc@278 846 space,
adamc@311 847 string "__uwr_acc_",
adamc@278 848 string (Int.toString (E.countERels env + 1)),
adamc@278 849 space,
adamc@278 850 string "=",
adamc@278 851 space,
adamc@278 852 string "acc;",
adamc@278 853 newline,
adamc@278 854 newline,
adamc@278 855
adamc@278 856 p_list_sepi (box []) (fn i =>
adamc@278 857 fn (proj, t) =>
adamc@311 858 box [string "__uwr_r_",
adamc@278 859 string (Int.toString (E.countERels env)),
adamc@278 860 string ".",
adamc@278 861 string proj,
adamc@278 862 space,
adamc@278 863 string "=",
adamc@278 864 space,
adamc@324 865 p_unsql wontLeakStrings env t
adamc@278 866 (box [string "PQgetvalue(res, i, ",
adamc@278 867 string (Int.toString i),
adamc@278 868 string ")"]),
adamc@278 869 string ";",
adamc@278 870 newline]) outputs,
adamc@278 871
adamc@278 872 newline,
adamc@278 873 newline,
adamc@278 874
adamc@278 875 string "acc",
adamc@278 876 space,
adamc@278 877 string "=",
adamc@278 878 space,
adamc@278 879 p_exp (E.pushERel
adamc@278 880 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 881 "acc" state)
adamc@278 882 body,
adamc@278 883 string ";",
adamc@278 884 newline],
adamc@278 885 string "}",
adamc@278 886 newline,
adamc@278 887 newline,
adamc@278 888 string "PQclear(res);",
adamc@278 889 newline,
adamc@324 890 if wontLeakAnything then
adamc@324 891 box [string "uw_end_region(ctx);",
adamc@324 892 newline]
adamc@324 893 else
adamc@324 894 box [],
adamc@278 895 string "acc;",
adamc@278 896 newline,
adamc@323 897 string "}))"]
adamc@278 898 end
adamc@106 899
adamc@307 900 | EDml {dml, prepared} =>
adamc@307 901 box [string "({",
adamc@307 902 newline,
adamc@311 903 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 904 newline,
adamc@307 905 case prepared of
adamc@307 906 NONE => box [string "char *dml = ",
adamc@307 907 p_exp env dml,
adamc@307 908 string ";",
adamc@307 909 newline]
adamc@307 910 | SOME _ =>
adamc@307 911 let
adamc@307 912 val ets = getPargs dml
adamc@307 913 in
adamc@307 914 box [p_list_sepi newline
adamc@307 915 (fn i => fn (e, t) =>
adamc@307 916 box [p_sql_type t,
adamc@307 917 space,
adamc@307 918 string "arg",
adamc@307 919 string (Int.toString (i + 1)),
adamc@307 920 space,
adamc@307 921 string "=",
adamc@307 922 space,
adamc@307 923 p_exp env e,
adamc@307 924 string ";"])
adamc@307 925 ets,
adamc@307 926 newline,
adamc@307 927 newline,
adamc@307 928
adamc@307 929 string "const char *paramValues[] = { ",
adamc@307 930 p_list_sepi (box [string ",", space])
adamc@307 931 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 932 string (Int.toString (i + 1))]))
adamc@307 933 ets,
adamc@307 934 string " };",
adamc@307 935 newline,
adamc@307 936 newline]
adamc@307 937 end,
adamc@307 938 newline,
adamc@307 939 newline,
adamc@307 940 string "PGresult *res = ",
adamc@307 941 case prepared of
adamc@307 942 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 943 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 944 string (Int.toString n),
adamc@307 945 string "\", ",
adamc@307 946 string (Int.toString (length (getPargs dml))),
adamc@307 947 string ", paramValues, NULL, NULL, 0);"],
adamc@307 948 newline,
adamc@307 949 newline,
adamc@307 950
adamc@311 951 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 952 newline,
adamc@307 953 newline,
adamc@307 954
adamc@307 955 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 956 newline,
adamc@307 957 box [string "PQclear(res);",
adamc@307 958 newline,
adamc@311 959 string "uw_error(ctx, FATAL, \"",
adamc@307 960 string (ErrorMsg.spanToString loc),
adamc@307 961 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 962 case prepared of
adamc@307 963 NONE => string "dml"
adamc@307 964 | SOME _ => p_exp env dml,
adamc@307 965 string ", PQerrorMessage(conn));",
adamc@307 966 newline],
adamc@307 967 string "}",
adamc@307 968 newline,
adamc@307 969 newline,
adamc@307 970
adamc@307 971 string "PQclear(res);",
adamc@307 972 newline,
adamc@311 973 string "uw_unit_v;",
adamc@307 974 newline,
adamc@307 975 string "})"]
adamc@307 976
adamc@29 977 and p_exp env = p_exp' false env
adamc@29 978
adamc@129 979 fun p_fun env (fx, n, args, ran, e) =
adamc@129 980 let
adamc@129 981 val nargs = length args
adamc@129 982 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 983 in
adamc@129 984 box [string "static",
adamc@129 985 space,
adamc@129 986 p_typ env ran,
adamc@129 987 space,
adamc@316 988 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 989 string "(",
adamc@129 990 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 991 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 992 box [p_typ env dom,
adamc@129 993 space,
adamc@129 994 p_rel env' (nargs - i - 1)]) args),
adamc@129 995 string ")",
adamc@129 996 space,
adamc@129 997 string "{",
adamc@129 998 newline,
adamc@129 999 box[string "return(",
adamc@129 1000 p_exp env' e,
adamc@129 1001 string ");"],
adamc@129 1002 newline,
adamc@129 1003 string "}"]
adamc@129 1004 end
adamc@129 1005
adamc@129 1006 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1007 case d of
adamc@29 1008 DStruct (n, xts) =>
adamc@196 1009 let
adamc@196 1010 val env = E.declBinds env dAll
adamc@196 1011 in
adamc@196 1012 box [string "struct",
adamc@196 1013 space,
adamc@311 1014 string ("__uws_" ^ Int.toString n),
adamc@196 1015 space,
adamc@196 1016 string "{",
adamc@196 1017 newline,
adamc@196 1018 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1019 space,
adamc@311 1020 string "__uwf_",
adamc@316 1021 p_ident x,
adamc@196 1022 string ";",
adamc@196 1023 newline]) xts,
adamc@196 1024 string "};"]
adamc@196 1025 end
adamc@188 1026 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1027 box [string "enum",
adamc@188 1028 space,
adamc@316 1029 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1030 space,
adamc@188 1031 string "{",
adamc@188 1032 space,
adamc@316 1033 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1034 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1035 space,
adamc@188 1036 string "};"]
adamc@198 1037 | DDatatype (Option, _, _, _) => box []
adamc@188 1038 | DDatatype (Default, x, n, xncs) =>
adamc@165 1039 let
adamc@165 1040 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1041 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1042 in
adamc@165 1043 box [string "enum",
adamc@165 1044 space,
adamc@316 1045 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1046 space,
adamc@165 1047 string "{",
adamc@165 1048 space,
adamc@316 1049 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1050 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1051 space,
adamc@165 1052 string "};",
adamc@165 1053 newline,
adamc@165 1054 newline,
adamc@165 1055 string "struct",
adamc@165 1056 space,
adamc@316 1057 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1058 space,
adamc@165 1059 string "{",
adamc@165 1060 newline,
adamc@165 1061 string "enum",
adamc@165 1062 space,
adamc@316 1063 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1064 space,
adamc@165 1065 string "tag;",
adamc@165 1066 newline,
adamc@165 1067 box (case xncsArgs of
adamc@165 1068 [] => []
adamc@165 1069 | _ => [string "union",
adamc@165 1070 space,
adamc@165 1071 string "{",
adamc@165 1072 newline,
adamc@165 1073 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1074 space,
adamc@316 1075 string ("uw_" ^ ident x),
adamc@165 1076 string ";"]) xncsArgs,
adamc@165 1077 newline,
adamc@165 1078 string "}",
adamc@165 1079 space,
adamc@165 1080 string "data;",
adamc@165 1081 newline]),
adamc@165 1082 string "};"]
adamc@188 1083 end
adamc@29 1084
adamc@196 1085 | DDatatypeForward _ => box []
adamc@196 1086
adamc@29 1087 | DVal (x, n, t, e) =>
adamc@29 1088 box [p_typ env t,
adamc@29 1089 space,
adamc@316 1090 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1091 space,
adamc@29 1092 string "=",
adamc@29 1093 space,
adamc@29 1094 p_exp env e,
adamc@29 1095 string ";"]
adamc@129 1096 | DFun vi => p_fun env vi
adamc@129 1097 | DFunRec vis =>
adamc@29 1098 let
adamc@129 1099 val env = E.declBinds env dAll
adamc@29 1100 in
adamc@129 1101 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1102 box [string "static",
adamc@129 1103 space,
adamc@129 1104 p_typ env ran,
adamc@129 1105 space,
adamc@316 1106 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1107 string "(uw_context,",
adamc@129 1108 space,
adamc@129 1109 p_list_sep (box [string ",", space])
adamc@129 1110 (fn (_, dom) => p_typ env dom) args,
adamc@129 1111 string ");"]) vis,
adamc@29 1112 newline,
adamc@129 1113 p_list_sep newline (p_fun env) vis,
adamc@129 1114 newline]
adamc@29 1115 end
adamc@273 1116 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1117 string x,
adamc@273 1118 string " */",
adamc@273 1119 newline]
adamc@311 1120 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1121 newline,
adamc@311 1122 string "static void uw_db_prepare(uw_context);",
adamc@282 1123 newline,
adamc@275 1124 newline,
adamc@311 1125 string "void uw_db_init(uw_context ctx) {",
adamc@273 1126 newline,
adamc@272 1127 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1128 string (String.toString s),
adamc@272 1129 string "\");",
adamc@272 1130 newline,
adamc@311 1131 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1132 string "\"libpq can't allocate a connection.\");",
adamc@272 1133 newline,
adamc@272 1134 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1135 newline,
adamc@272 1136 box [string "char msg[1024];",
adamc@272 1137 newline,
adamc@272 1138 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1139 newline,
adamc@272 1140 string "msg[1023] = 0;",
adamc@272 1141 newline,
adamc@272 1142 string "PQfinish(conn);",
adamc@272 1143 newline,
adamc@311 1144 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1145 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1146 newline,
adamc@272 1147 string "}",
adamc@272 1148 newline,
adamc@311 1149 string "uw_set_db(ctx, conn);",
adamc@272 1150 newline,
adamc@311 1151 string "uw_db_validate(ctx);",
adamc@275 1152 newline,
adamc@311 1153 string "uw_db_prepare(ctx);",
adamc@282 1154 newline,
adamc@272 1155 string "}",
adamc@272 1156 newline,
adamc@272 1157 newline,
adamc@311 1158 string "void uw_db_close(uw_context ctx) {",
adamc@272 1159 newline,
adamc@311 1160 string "PQfinish(uw_get_db(ctx));",
adamc@272 1161 newline,
adamc@272 1162 string "}",
adamc@272 1163 newline]
adamc@29 1164
adamc@282 1165 | DPreparedStatements ss =>
adamc@311 1166 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1167 newline,
adamc@311 1168 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1169 newline,
adamc@282 1170 string "PGresult *res;",
adamc@282 1171 newline,
adamc@282 1172 newline,
adamc@282 1173
adamc@282 1174 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1175 box [string "res = PQprepare(conn, \"uw",
adamc@282 1176 string (Int.toString i),
adamc@282 1177 string "\", \"",
adamc@282 1178 string (String.toString s),
adamc@282 1179 string "\", ",
adamc@282 1180 string (Int.toString n),
adamc@282 1181 string ", NULL);",
adamc@282 1182 newline,
adamc@282 1183 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1184 newline,
adamc@282 1185 box [string "char msg[1024];",
adamc@282 1186 newline,
adamc@282 1187 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1188 newline,
adamc@282 1189 string "msg[1023] = 0;",
adamc@282 1190 newline,
adamc@282 1191 string "PQclear(res);",
adamc@282 1192 newline,
adamc@282 1193 string "PQfinish(conn);",
adamc@282 1194 newline,
adamc@311 1195 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1196 string (String.toString s),
adamc@282 1197 string "\\n%s\", msg);",
adamc@282 1198 newline],
adamc@282 1199 string "}",
adamc@282 1200 newline,
adamc@282 1201 string "PQclear(res);",
adamc@282 1202 newline])
adamc@282 1203 ss,
adamc@282 1204
adamc@282 1205 string "}"]
adamc@282 1206
adamc@144 1207 datatype 'a search =
adamc@144 1208 Found of 'a
adamc@144 1209 | NotFound
adamc@144 1210 | Error
adamc@120 1211
adamc@275 1212 fun p_sqltype' env (tAll as (t, loc)) =
adamc@275 1213 case t of
adamc@275 1214 TFfi ("Basis", "int") => "int8"
adamc@275 1215 | TFfi ("Basis", "float") => "float8"
adamc@275 1216 | TFfi ("Basis", "string") => "text"
adamc@275 1217 | TFfi ("Basis", "bool") => "bool"
adamc@275 1218 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1219 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1220 "ERROR")
adamc@275 1221
adamc@275 1222 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1223
adamc@101 1224 fun p_file env (ds, ps) =
adamc@29 1225 let
adamc@101 1226 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1227 (p_decl env d,
adamc@31 1228 E.declBinds env d))
adamc@101 1229 env ds
adamc@144 1230
adamc@144 1231 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1232 case ek of
adamc@144 1233 Core.Link => fields
adamc@144 1234 | Core.Action =>
adamc@280 1235 case List.nth (ts, length ts - 2) of
adamc@144 1236 (TRecord i, _) =>
adamc@144 1237 let
adamc@144 1238 val xts = E.lookupStruct env i
adamc@144 1239 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1240 in
adamc@144 1241 foldl (fn ((x, _), fields) =>
adamc@144 1242 let
adamc@144 1243 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1244 in
adamc@144 1245 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1246 xtsSet'))
adamc@144 1247 end) fields xts
adamc@144 1248 end
adamc@144 1249 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1250 SM.empty ps
adamc@144 1251
adamc@144 1252 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1253 let
adamc@144 1254 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1255 case SM.find (fnums, x') of
adamc@144 1256 NONE => unusable
adamc@144 1257 | SOME n => IS.add (unusable, n))
adamc@144 1258 IS.empty xs
adamc@144 1259
adamc@144 1260 fun findAvailable n =
adamc@144 1261 if IS.member (unusable, n) then
adamc@144 1262 findAvailable (n + 1)
adamc@144 1263 else
adamc@144 1264 n
adamc@144 1265 in
adamc@144 1266 SM.insert (fnums, x, findAvailable 0)
adamc@144 1267 end)
adamc@144 1268 SM.empty fields
adamc@144 1269
adamc@144 1270 fun makeSwitch (fnums, i) =
adamc@144 1271 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1272 | (n, Error) => Error
adamc@144 1273 | (n, Found n') => if n = n' then
adamc@144 1274 Found n'
adamc@144 1275 else
adamc@144 1276 Error) NotFound fnums of
adamc@144 1277 NotFound => box [string "return",
adamc@144 1278 space,
adamc@144 1279 string "-1;"]
adamc@144 1280 | Found n => box [string "return",
adamc@144 1281 space,
adamc@144 1282 string (Int.toString n),
adamc@144 1283 string ";"]
adamc@144 1284 | Error =>
adamc@144 1285 let
adamc@144 1286 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1287 let
adamc@144 1288 val ch = if i < size x then
adamc@144 1289 String.sub (x, i)
adamc@144 1290 else
adamc@144 1291 chr 0
adamc@144 1292
adamc@144 1293 val fnums = case CM.find (cmap, ch) of
adamc@144 1294 NONE => SM.empty
adamc@144 1295 | SOME fnums => fnums
adamc@144 1296 val fnums = SM.insert (fnums, x, n)
adamc@144 1297 in
adamc@144 1298 CM.insert (cmap, ch, fnums)
adamc@144 1299 end)
adamc@144 1300 CM.empty fnums
adamc@144 1301
adamc@144 1302 val cmap = CM.listItemsi cmap
adamc@144 1303 in
adamc@144 1304 case cmap of
adamc@144 1305 [(_, fnums)] =>
adamc@144 1306 box [string "if",
adamc@144 1307 space,
adamc@144 1308 string "(name[",
adamc@144 1309 string (Int.toString i),
adamc@144 1310 string "]",
adamc@144 1311 space,
adamc@144 1312 string "==",
adamc@144 1313 space,
adamc@144 1314 string "0)",
adamc@144 1315 space,
adamc@144 1316 string "return",
adamc@144 1317 space,
adamc@144 1318 string "-1;",
adamc@144 1319 newline,
adamc@144 1320 makeSwitch (fnums, i+1)]
adamc@144 1321 | _ =>
adamc@144 1322 box [string "switch",
adamc@144 1323 space,
adamc@144 1324 string "(name[",
adamc@144 1325 string (Int.toString i),
adamc@144 1326 string "])",
adamc@144 1327 space,
adamc@144 1328 string "{",
adamc@144 1329 newline,
adamc@144 1330 box (map (fn (ch, fnums) =>
adamc@144 1331 box [string "case",
adamc@144 1332 space,
adamc@144 1333 if ch = chr 0 then
adamc@144 1334 string "0:"
adamc@144 1335 else
adamc@144 1336 box [string "'",
adamc@144 1337 string (Char.toString ch),
adamc@144 1338 string "':"],
adamc@144 1339 newline,
adamc@144 1340 makeSwitch (fnums, i+1),
adamc@144 1341 newline]) cmap),
adamc@144 1342 string "default:",
adamc@144 1343 newline,
adamc@144 1344 string "return",
adamc@144 1345 space,
adamc@144 1346 string "-1;",
adamc@144 1347 newline,
adamc@144 1348 string "}"]
adamc@144 1349 end
adamc@144 1350
adamc@186 1351 fun capitalize s =
adamc@186 1352 if s = "" then
adamc@186 1353 ""
adamc@186 1354 else
adamc@186 1355 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@186 1356
adamc@144 1357 fun unurlify (t, loc) =
adamc@144 1358 case t of
adamc@316 1359 TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@144 1360
adamc@311 1361 | TRecord 0 => string "uw_unit_v"
adamc@144 1362 | TRecord i =>
adamc@144 1363 let
adamc@144 1364 val xts = E.lookupStruct env i
adamc@144 1365 in
adamc@144 1366 box [string "({",
adamc@144 1367 newline,
adamc@144 1368 box (map (fn (x, t) =>
adamc@144 1369 box [p_typ env t,
adamc@144 1370 space,
adamc@144 1371 string x,
adamc@144 1372 space,
adamc@144 1373 string "=",
adamc@144 1374 space,
adamc@144 1375 unurlify t,
adamc@144 1376 string ";",
adamc@144 1377 newline]) xts),
adamc@144 1378 string "struct",
adamc@144 1379 space,
adamc@311 1380 string "__uws_",
adamc@144 1381 string (Int.toString i),
adamc@144 1382 space,
adamc@181 1383 string "tmp",
adamc@144 1384 space,
adamc@144 1385 string "=",
adamc@144 1386 space,
adamc@144 1387 string "{",
adamc@144 1388 space,
adamc@144 1389 p_list_sep (box [string ",", space]) (fn (x, _) => string x) xts,
adamc@144 1390 space,
adamc@144 1391 string "};",
adamc@144 1392 newline,
adamc@181 1393 string "tmp;",
adamc@144 1394 newline,
adamc@144 1395 string "})"]
adamc@144 1396 end
adamc@144 1397
adamc@188 1398 | TDatatype (Enum, i, _) =>
adamc@188 1399 let
adamc@188 1400 val (x, xncs) = E.lookupDatatype env i
adamc@188 1401
adamc@188 1402 fun doEm xncs =
adamc@188 1403 case xncs of
adamc@311 1404 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), (enum __uwe_"
adamc@188 1405 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@188 1406 | (x', n, to) :: rest =>
adamc@188 1407 box [string "((!strncmp(request, \"",
adamc@188 1408 string x',
adamc@188 1409 string "\", ",
adamc@188 1410 string (Int.toString (size x')),
adamc@188 1411 string ") && (request[",
adamc@188 1412 string (Int.toString (size x')),
adamc@188 1413 string "] == 0 || request[",
adamc@188 1414 string (Int.toString (size x')),
adamc@316 1415 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@188 1416 space,
adamc@188 1417 string ":",
adamc@188 1418 space,
adamc@188 1419 doEm rest,
adamc@188 1420 string ")"]
adamc@188 1421 in
adamc@188 1422 doEm xncs
adamc@188 1423 end
adamc@188 1424
adamc@198 1425 | TDatatype (Option, i, xncs) =>
adamc@198 1426 let
adamc@198 1427 val (x, _) = E.lookupDatatype env i
adamc@198 1428
adamc@198 1429 val (no_arg, has_arg, t) =
adamc@198 1430 case !xncs of
adamc@198 1431 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@198 1432 (no_arg, has_arg, t)
adamc@198 1433 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@198 1434 (no_arg, has_arg, t)
adamc@198 1435 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@198 1436 in
adamc@198 1437 box [string "(request[0] == '/' ? ++request : request,",
adamc@198 1438 newline,
adamc@198 1439 string "((!strncmp(request, \"",
adamc@198 1440 string no_arg,
adamc@198 1441 string "\", ",
adamc@198 1442 string (Int.toString (size no_arg)),
adamc@198 1443 string ") && (request[",
adamc@198 1444 string (Int.toString (size no_arg)),
adamc@198 1445 string "] == 0 || request[",
adamc@198 1446 string (Int.toString (size no_arg)),
adamc@198 1447 string "] == '/')) ? (request",
adamc@198 1448 space,
adamc@198 1449 string "+=",
adamc@198 1450 space,
adamc@198 1451 string (Int.toString (size no_arg)),
adamc@198 1452 string ", NULL) : ((!strncmp(request, \"",
adamc@198 1453 string has_arg,
adamc@198 1454 string "\", ",
adamc@198 1455 string (Int.toString (size has_arg)),
adamc@198 1456 string ") && (request[",
adamc@198 1457 string (Int.toString (size has_arg)),
adamc@198 1458 string "] == 0 || request[",
adamc@198 1459 string (Int.toString (size has_arg)),
adamc@198 1460 string "] == '/')) ? (request",
adamc@198 1461 space,
adamc@198 1462 string "+=",
adamc@198 1463 space,
adamc@198 1464 string (Int.toString (size has_arg)),
adamc@200 1465 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@200 1466 newline,
adamc@198 1467
adamc@198 1468 case #1 t of
adamc@198 1469 TDatatype _ => unurlify t
adamc@199 1470 | TFfi ("Basis", "string") => unurlify t
adamc@198 1471 | _ => box [string "({",
adamc@198 1472 newline,
adamc@198 1473 p_typ env t,
adamc@198 1474 space,
adamc@198 1475 string "*tmp",
adamc@198 1476 space,
adamc@198 1477 string "=",
adamc@198 1478 space,
adamc@311 1479 string "uw_malloc(ctx, sizeof(",
adamc@198 1480 p_typ env t,
adamc@198 1481 string "));",
adamc@198 1482 newline,
adamc@198 1483 string "*tmp",
adamc@198 1484 space,
adamc@198 1485 string "=",
adamc@198 1486 space,
adamc@198 1487 unurlify t,
adamc@198 1488 string ";",
adamc@198 1489 newline,
adamc@198 1490 string "tmp;",
adamc@198 1491 newline,
adamc@198 1492 string "})"],
adamc@198 1493 string ")",
adamc@198 1494 newline,
adamc@198 1495 string ":",
adamc@198 1496 space,
adamc@311 1497 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL))))")]
adamc@198 1498 end
adamc@198 1499
adamc@188 1500 | TDatatype (Default, i, _) =>
adamc@166 1501 let
adamc@166 1502 val (x, xncs) = E.lookupDatatype env i
adamc@166 1503
adamc@166 1504 fun doEm xncs =
adamc@166 1505 case xncs of
adamc@311 1506 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)")
adamc@167 1507 | (x', n, to) :: rest =>
adamc@167 1508 box [string "((!strncmp(request, \"",
adamc@167 1509 string x',
adamc@167 1510 string "\", ",
adamc@167 1511 string (Int.toString (size x')),
adamc@167 1512 string ") && (request[",
adamc@167 1513 string (Int.toString (size x')),
adamc@167 1514 string "] == 0 || request[",
adamc@167 1515 string (Int.toString (size x')),
adamc@167 1516 string "] == '/')) ? ({",
adamc@166 1517 newline,
adamc@167 1518 string "struct",
adamc@167 1519 space,
adamc@316 1520 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@166 1521 space,
adamc@311 1522 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@167 1523 string x,
adamc@167 1524 string "_",
adamc@167 1525 string (Int.toString i),
adamc@167 1526 string "));",
adamc@166 1527 newline,
adamc@181 1528 string "tmp->tag",
adamc@166 1529 space,
adamc@166 1530 string "=",
adamc@166 1531 space,
adamc@316 1532 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@166 1533 string ";",
adamc@166 1534 newline,
adamc@166 1535 string "request",
adamc@166 1536 space,
adamc@166 1537 string "+=",
adamc@166 1538 space,
adamc@167 1539 string (Int.toString (size x')),
adamc@166 1540 string ";",
adamc@166 1541 newline,
adamc@200 1542 string "if (request[0] == '/') ++request;",
adamc@200 1543 newline,
adamc@166 1544 case to of
adamc@166 1545 NONE => box []
adamc@311 1546 | SOME t => box [string "tmp->data.uw_",
adamc@316 1547 p_ident x',
adamc@166 1548 space,
adamc@166 1549 string "=",
adamc@166 1550 space,
adamc@166 1551 unurlify t,
adamc@166 1552 string ";",
adamc@166 1553 newline],
adamc@181 1554 string "tmp;",
adamc@166 1555 newline,
adamc@166 1556 string "})",
adamc@166 1557 space,
adamc@166 1558 string ":",
adamc@166 1559 space,
adamc@166 1560 doEm rest,
adamc@166 1561 string ")"]
adamc@166 1562 in
adamc@166 1563 doEm xncs
adamc@166 1564 end
adamc@166 1565
adamc@144 1566 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@144 1567 space)
adamc@144 1568
adamc@144 1569
adamc@144 1570 fun p_page (ek, s, n, ts) =
adamc@144 1571 let
adamc@144 1572 val (ts, defInputs, inputsVar) =
adamc@144 1573 case ek of
adamc@314 1574 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1575 | Core.Action =>
adamc@280 1576 case List.nth (ts, length ts - 2) of
adamc@144 1577 (TRecord i, _) =>
adamc@144 1578 let
adamc@144 1579 val xts = E.lookupStruct env i
adamc@144 1580 in
adamc@280 1581 (List.take (ts, length ts - 2),
adamc@144 1582 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1583 space,
adamc@311 1584 string "uw_input_",
adamc@316 1585 p_ident x,
adamc@144 1586 string ";",
adamc@144 1587 newline]) xts),
adamc@144 1588 newline,
adamc@144 1589 box (map (fn (x, t) =>
adamc@144 1590 let
adamc@144 1591 val n = case SM.find (fnums, x) of
adamc@144 1592 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1593 | SOME n => n
adamc@190 1594
adamc@190 1595 val f = case t of
adamc@190 1596 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1597 | _ => ""
adamc@144 1598 in
adamc@311 1599 box [string "request = uw_get_",
adamc@190 1600 string f,
adamc@190 1601 string "input(ctx, ",
adamc@144 1602 string (Int.toString n),
adamc@144 1603 string ");",
adamc@144 1604 newline,
adamc@144 1605 string "if (request == NULL) {",
adamc@144 1606 newline,
adamc@144 1607 box [string "printf(\"Missing input ",
adamc@144 1608 string x,
adamc@144 1609 string "\\n\");",
adamc@144 1610 newline,
adamc@144 1611 string "exit(1);"],
adamc@144 1612 newline,
adamc@144 1613 string "}",
adamc@144 1614 newline,
adamc@311 1615 string "uw_input_",
adamc@316 1616 p_ident x,
adamc@144 1617 space,
adamc@144 1618 string "=",
adamc@144 1619 space,
adamc@144 1620 unurlify t,
adamc@144 1621 string ";",
adamc@144 1622 newline]
adamc@144 1623 end) xts),
adamc@311 1624 string "struct __uws_",
adamc@144 1625 string (Int.toString i),
adamc@144 1626 space,
adamc@311 1627 string "uw_inputs",
adamc@144 1628 space,
adamc@144 1629 string "= {",
adamc@144 1630 newline,
adamc@311 1631 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 1632 p_ident x,
adamc@144 1633 string ",",
adamc@144 1634 newline]) xts),
adamc@144 1635 string "};",
adamc@144 1636 newline],
adamc@144 1637 box [string ",",
adamc@144 1638 space,
adamc@311 1639 string "uw_inputs"])
adamc@144 1640 end
adamc@144 1641
adamc@144 1642 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1643 in
adamc@144 1644 box [string "if (!strncmp(request, \"",
adamc@144 1645 string (String.toString s),
adamc@144 1646 string "\", ",
adamc@144 1647 string (Int.toString (size s)),
adamc@198 1648 string ") && (request[",
adamc@198 1649 string (Int.toString (size s)),
adamc@198 1650 string "] == 0 || request[",
adamc@198 1651 string (Int.toString (size s)),
adamc@198 1652 string "] == '/')) {",
adamc@144 1653 newline,
adamc@144 1654 string "request += ",
adamc@144 1655 string (Int.toString (size s)),
adamc@144 1656 string ";",
adamc@144 1657 newline,
adamc@144 1658 string "if (*request == '/') ++request;",
adamc@144 1659 newline,
adamc@144 1660 box [string "{",
adamc@144 1661 newline,
adamc@144 1662 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 1663 space,
adamc@144 1664 string "arg",
adamc@144 1665 string (Int.toString i),
adamc@144 1666 space,
adamc@144 1667 string "=",
adamc@144 1668 space,
adamc@144 1669 unurlify t,
adamc@144 1670 string ";",
adamc@144 1671 newline]) ts),
adamc@144 1672 defInputs,
adamc@144 1673 p_enamed env n,
adamc@144 1674 string "(",
adamc@144 1675 p_list_sep (box [string ",", space])
adamc@144 1676 (fn x => x)
adamc@272 1677 (string "ctx"
adamc@280 1678 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 1679 inputsVar,
adamc@311 1680 string ", uw_unit_v);",
adamc@144 1681 newline,
adamc@144 1682 string "return;",
adamc@144 1683 newline,
adamc@144 1684 string "}",
adamc@144 1685 newline,
adamc@144 1686 string "}"]
adamc@144 1687 ]
adamc@144 1688 end
adamc@144 1689
adamc@144 1690 val pds' = map p_page ps
adamc@275 1691
adamc@275 1692 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 1693 | _ => NONE) ds
adamc@275 1694
adamc@275 1695 val validate =
adamc@311 1696 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 1697 newline,
adamc@311 1698 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 1699 newline,
adamc@275 1700 string "PGresult *res;",
adamc@275 1701 newline,
adamc@275 1702 newline,
adamc@275 1703 p_list_sep newline
adamc@275 1704 (fn (s, xts) =>
adamc@275 1705 let
adamc@275 1706 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@275 1707 ^ s ^ "'"
adamc@275 1708
adamc@275 1709 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@275 1710 s,
adamc@275 1711 "') AND (",
adamc@275 1712 String.concatWith " OR "
adamc@275 1713 (map (fn (x, t) =>
adamc@311 1714 String.concat ["(attname = 'uw_",
adamc@275 1715 CharVector.map
adamc@316 1716 Char.toLower (ident x),
adamc@275 1717 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 1718 " WHERE typname = '",
adamc@275 1719 p_sqltype' env t,
adamc@275 1720 "'))"]) xts),
adamc@275 1721 ")"]
adamc@275 1722
adamc@275 1723 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@275 1724 s,
adamc@325 1725 "') AND attname LIKE 'uw_%'"]
adamc@275 1726 in
adamc@275 1727 box [string "res = PQexec(conn, \"",
adamc@275 1728 string q,
adamc@275 1729 string "\");",
adamc@275 1730 newline,
adamc@275 1731 newline,
adamc@275 1732 string "if (res == NULL) {",
adamc@275 1733 newline,
adamc@275 1734 box [string "PQfinish(conn);",
adamc@275 1735 newline,
adamc@311 1736 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1737 newline],
adamc@275 1738 string "}",
adamc@275 1739 newline,
adamc@275 1740 newline,
adamc@275 1741 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1742 newline,
adamc@275 1743 box [string "char msg[1024];",
adamc@275 1744 newline,
adamc@275 1745 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1746 newline,
adamc@275 1747 string "msg[1023] = 0;",
adamc@275 1748 newline,
adamc@275 1749 string "PQclear(res);",
adamc@275 1750 newline,
adamc@275 1751 string "PQfinish(conn);",
adamc@275 1752 newline,
adamc@311 1753 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1754 string q,
adamc@275 1755 string "\\n%s\", msg);",
adamc@275 1756 newline],
adamc@275 1757 string "}",
adamc@275 1758 newline,
adamc@275 1759 newline,
adamc@275 1760 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 1761 newline,
adamc@275 1762 box [string "PQclear(res);",
adamc@275 1763 newline,
adamc@275 1764 string "PQfinish(conn);",
adamc@275 1765 newline,
adamc@311 1766 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1767 string s,
adamc@275 1768 string "' does not exist.\");",
adamc@275 1769 newline],
adamc@275 1770 string "}",
adamc@275 1771 newline,
adamc@275 1772 newline,
adamc@275 1773 string "PQclear(res);",
adamc@275 1774 newline,
adamc@275 1775
adamc@275 1776 string "res = PQexec(conn, \"",
adamc@275 1777 string q',
adamc@275 1778 string "\");",
adamc@275 1779 newline,
adamc@275 1780 newline,
adamc@275 1781 string "if (res == NULL) {",
adamc@275 1782 newline,
adamc@275 1783 box [string "PQfinish(conn);",
adamc@275 1784 newline,
adamc@311 1785 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1786 newline],
adamc@275 1787 string "}",
adamc@275 1788 newline,
adamc@275 1789 newline,
adamc@275 1790 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1791 newline,
adamc@275 1792 box [string "char msg[1024];",
adamc@275 1793 newline,
adamc@275 1794 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1795 newline,
adamc@275 1796 string "msg[1023] = 0;",
adamc@275 1797 newline,
adamc@275 1798 string "PQclear(res);",
adamc@275 1799 newline,
adamc@275 1800 string "PQfinish(conn);",
adamc@275 1801 newline,
adamc@311 1802 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1803 string q',
adamc@275 1804 string "\\n%s\", msg);",
adamc@275 1805 newline],
adamc@275 1806 string "}",
adamc@275 1807 newline,
adamc@275 1808 newline,
adamc@275 1809 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1810 string (Int.toString (length xts)),
adamc@275 1811 string "\")) {",
adamc@275 1812 newline,
adamc@275 1813 box [string "PQclear(res);",
adamc@275 1814 newline,
adamc@275 1815 string "PQfinish(conn);",
adamc@275 1816 newline,
adamc@311 1817 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1818 string s,
adamc@275 1819 string "' has the wrong column types.\");",
adamc@275 1820 newline],
adamc@275 1821 string "}",
adamc@275 1822 newline,
adamc@275 1823 newline,
adamc@275 1824 string "PQclear(res);",
adamc@275 1825 newline,
adamc@275 1826 newline,
adamc@275 1827
adamc@275 1828 string "res = PQexec(conn, \"",
adamc@275 1829 string q'',
adamc@275 1830 string "\");",
adamc@275 1831 newline,
adamc@275 1832 newline,
adamc@275 1833 string "if (res == NULL) {",
adamc@275 1834 newline,
adamc@275 1835 box [string "PQfinish(conn);",
adamc@275 1836 newline,
adamc@311 1837 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1838 newline],
adamc@275 1839 string "}",
adamc@275 1840 newline,
adamc@275 1841 newline,
adamc@275 1842 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1843 newline,
adamc@275 1844 box [string "char msg[1024];",
adamc@275 1845 newline,
adamc@275 1846 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1847 newline,
adamc@275 1848 string "msg[1023] = 0;",
adamc@275 1849 newline,
adamc@275 1850 string "PQclear(res);",
adamc@275 1851 newline,
adamc@275 1852 string "PQfinish(conn);",
adamc@275 1853 newline,
adamc@311 1854 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1855 string q'',
adamc@275 1856 string "\\n%s\", msg);",
adamc@275 1857 newline],
adamc@275 1858 string "}",
adamc@275 1859 newline,
adamc@275 1860 newline,
adamc@275 1861 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1862 string (Int.toString (length xts)),
adamc@275 1863 string "\")) {",
adamc@275 1864 newline,
adamc@275 1865 box [string "PQclear(res);",
adamc@275 1866 newline,
adamc@275 1867 string "PQfinish(conn);",
adamc@275 1868 newline,
adamc@311 1869 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1870 string s,
adamc@275 1871 string "' has extra columns.\");",
adamc@275 1872 newline],
adamc@275 1873 string "}",
adamc@275 1874 newline,
adamc@275 1875 newline,
adamc@275 1876 string "PQclear(res);",
adamc@275 1877 newline]
adamc@275 1878 end) tables,
adamc@275 1879 string "}"]
adamc@29 1880 in
adamc@144 1881 box [string "#include <stdio.h>",
adamc@144 1882 newline,
adamc@144 1883 string "#include <stdlib.h>",
adamc@144 1884 newline,
adamc@272 1885 string "#include <string.h>",
adamc@272 1886 newline,
adamc@272 1887 string "#include <postgresql/libpq-fe.h>",
adamc@272 1888 newline,
adamc@144 1889 newline,
adamc@244 1890 string "#include \"urweb.h\"",
adamc@101 1891 newline,
adamc@101 1892 newline,
adamc@101 1893 p_list_sep newline (fn x => x) pds,
adamc@101 1894 newline,
adamc@311 1895 string "int uw_inputs_len = ",
adamc@144 1896 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 1897 string ";",
adamc@144 1898 newline,
adamc@144 1899 newline,
adamc@311 1900 string "int uw_input_num(char *name) {",
adamc@144 1901 newline,
adamc@144 1902 makeSwitch (fnums, 0),
adamc@144 1903 string "}",
adamc@144 1904 newline,
adamc@144 1905 newline,
adamc@311 1906 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 1907 newline,
adamc@101 1908 p_list_sep newline (fn x => x) pds',
adamc@101 1909 newline,
adamc@101 1910 string "}",
adamc@275 1911 newline,
adamc@275 1912 newline,
adamc@275 1913 validate,
adamc@101 1914 newline]
adamc@29 1915 end
adamc@29 1916
adamc@274 1917 fun p_sql env (ds, _) =
adamc@274 1918 let
adamc@274 1919 val (pps, _) = ListUtil.foldlMap
adamc@274 1920 (fn (dAll as (d, _), env) =>
adamc@274 1921 let
adamc@274 1922 val pp = case d of
adamc@274 1923 DTable (s, xts) =>
adamc@274 1924 box [string "CREATE TABLE ",
adamc@274 1925 string s,
adamc@274 1926 string "(",
adamc@274 1927 p_list (fn (x, t) =>
adamc@311 1928 box [string "uw_",
adamc@275 1929 string (CharVector.map Char.toLower x),
adamc@274 1930 space,
adamc@274 1931 p_sqltype env t,
adamc@274 1932 space,
adamc@274 1933 string "NOT",
adamc@274 1934 space,
adamc@274 1935 string "NULL"]) xts,
adamc@274 1936 string ");",
adamc@274 1937 newline,
adamc@274 1938 newline]
adamc@274 1939 | _ => box []
adamc@274 1940 in
adamc@274 1941 (pp, E.declBinds env dAll)
adamc@274 1942 end)
adamc@274 1943 env ds
adamc@274 1944 in
adamc@274 1945 box pps
adamc@274 1946 end
adamc@274 1947
adamc@29 1948 end