Mercurial > urweb

annotate src/cjr_print.sml @ 324:b91480c9a729

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More opportunities to use regions and lack of string copying
author Adam Chlipala <adamc@hcoop.net>
date Thu, 11 Sep 2008 13:06:51 -0400
parents 5030e909fbf3
children e457d8972ff1
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@324 741
adamc@324 742 val wontLeakStrings = notLeaky env true state
adamc@324 743 val wontLeakAnything = notLeaky env false state
adamc@278 744 in
adamc@324 745 box [string "(uw_begin_region(ctx), ",
adamc@324 746 if wontLeakAnything then
adamc@324 747 string "uw_begin_regio(ctx), "
adamc@324 748 else
adamc@324 749 box [],
adamc@324 750 string "({",
adamc@278 751 newline,
adamc@311 752 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 753 newline,
adamc@282 754 case prepared of
adamc@282 755 NONE => box [string "char *query = ",
adamc@282 756 p_exp env query,
adamc@282 757 string ";",
adamc@282 758 newline]
adamc@282 759 | SOME _ =>
adamc@282 760 let
adamc@282 761 val ets = getPargs query
adamc@282 762 in
adamc@282 763 box [p_list_sepi newline
adamc@282 764 (fn i => fn (e, t) =>
adamc@282 765 box [p_sql_type t,
adamc@282 766 space,
adamc@282 767 string "arg",
adamc@282 768 string (Int.toString (i + 1)),
adamc@282 769 space,
adamc@282 770 string "=",
adamc@282 771 space,
adamc@282 772 p_exp env e,
adamc@282 773 string ";"])
adamc@282 774 ets,
adamc@282 775 newline,
adamc@282 776 newline,
adamc@282 777
adamc@282 778 string "const char *paramValues[] = { ",
adamc@282 779 p_list_sepi (box [string ",", space])
adamc@282 780 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 781 string (Int.toString (i + 1))]))
adamc@282 782 ets,
adamc@282 783 string " };",
adamc@282 784 newline,
adamc@282 785 newline]
adamc@282 786 end,
adamc@278 787 string "int n, i;",
adamc@278 788 newline,
adamc@278 789 p_typ env state,
adamc@278 790 space,
adamc@278 791 string "acc",
adamc@278 792 space,
adamc@278 793 string "=",
adamc@278 794 space,
adamc@278 795 p_exp env initial,
adamc@278 796 string ";",
adamc@278 797 newline,
adamc@282 798 string "PGresult *res = ",
adamc@282 799 case prepared of
adamc@295 800 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 801 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 802 string (Int.toString n),
adamc@282 803 string "\", ",
adamc@282 804 string (Int.toString (length (getPargs query))),
adamc@295 805 string ", paramValues, NULL, NULL, 0);"],
adamc@278 806 newline,
adamc@278 807 newline,
adamc@277 808
adamc@311 809 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 810 newline,
adamc@278 811 newline,
adamc@277 812
adamc@278 813 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 814 newline,
adamc@278 815 box [string "PQclear(res);",
adamc@278 816 newline,
adamc@311 817 string "uw_error(ctx, FATAL, \"",
adamc@278 818 string (ErrorMsg.spanToString loc),
adamc@282 819 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 820 case prepared of
adamc@282 821 NONE => string "query"
adamc@282 822 | SOME _ => p_exp env query,
adamc@282 823 string ", PQerrorMessage(conn));",
adamc@278 824 newline],
adamc@278 825 string "}",
adamc@278 826 newline,
adamc@278 827 newline,
adamc@277 828
adamc@323 829 string "uw_end_region(ctx);",
adamc@323 830 newline,
adamc@278 831 string "n = PQntuples(res);",
adamc@278 832 newline,
adamc@278 833 string "for (i = 0; i < n; ++i) {",
adamc@278 834 newline,
adamc@278 835 box [string "struct",
adamc@278 836 space,
adamc@311 837 string "__uws_",
adamc@278 838 string (Int.toString rnum),
adamc@278 839 space,
adamc@311 840 string "__uwr_r_",
adamc@278 841 string (Int.toString (E.countERels env)),
adamc@278 842 string ";",
adamc@278 843 newline,
adamc@278 844 p_typ env state,
adamc@278 845 space,
adamc@311 846 string "__uwr_acc_",
adamc@278 847 string (Int.toString (E.countERels env + 1)),
adamc@278 848 space,
adamc@278 849 string "=",
adamc@278 850 space,
adamc@278 851 string "acc;",
adamc@278 852 newline,
adamc@278 853 newline,
adamc@278 854
adamc@278 855 p_list_sepi (box []) (fn i =>
adamc@278 856 fn (proj, t) =>
adamc@311 857 box [string "__uwr_r_",
adamc@278 858 string (Int.toString (E.countERels env)),
adamc@278 859 string ".",
adamc@278 860 string proj,
adamc@278 861 space,
adamc@278 862 string "=",
adamc@278 863 space,
adamc@324 864 p_unsql wontLeakStrings env t
adamc@278 865 (box [string "PQgetvalue(res, i, ",
adamc@278 866 string (Int.toString i),
adamc@278 867 string ")"]),
adamc@278 868 string ";",
adamc@278 869 newline]) outputs,
adamc@278 870
adamc@278 871 newline,
adamc@278 872 newline,
adamc@278 873
adamc@278 874 string "acc",
adamc@278 875 space,
adamc@278 876 string "=",
adamc@278 877 space,
adamc@278 878 p_exp (E.pushERel
adamc@278 879 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 880 "acc" state)
adamc@278 881 body,
adamc@278 882 string ";",
adamc@278 883 newline],
adamc@278 884 string "}",
adamc@278 885 newline,
adamc@278 886 newline,
adamc@278 887 string "PQclear(res);",
adamc@278 888 newline,
adamc@324 889 if wontLeakAnything then
adamc@324 890 box [string "uw_end_region(ctx);",
adamc@324 891 newline]
adamc@324 892 else
adamc@324 893 box [],
adamc@278 894 string "acc;",
adamc@278 895 newline,
adamc@323 896 string "}))"]
adamc@278 897 end
adamc@106 898
adamc@307 899 | EDml {dml, prepared} =>
adamc@307 900 box [string "({",
adamc@307 901 newline,
adamc@311 902 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 903 newline,
adamc@307 904 case prepared of
adamc@307 905 NONE => box [string "char *dml = ",
adamc@307 906 p_exp env dml,
adamc@307 907 string ";",
adamc@307 908 newline]
adamc@307 909 | SOME _ =>
adamc@307 910 let
adamc@307 911 val ets = getPargs dml
adamc@307 912 in
adamc@307 913 box [p_list_sepi newline
adamc@307 914 (fn i => fn (e, t) =>
adamc@307 915 box [p_sql_type t,
adamc@307 916 space,
adamc@307 917 string "arg",
adamc@307 918 string (Int.toString (i + 1)),
adamc@307 919 space,
adamc@307 920 string "=",
adamc@307 921 space,
adamc@307 922 p_exp env e,
adamc@307 923 string ";"])
adamc@307 924 ets,
adamc@307 925 newline,
adamc@307 926 newline,
adamc@307 927
adamc@307 928 string "const char *paramValues[] = { ",
adamc@307 929 p_list_sepi (box [string ",", space])
adamc@307 930 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 931 string (Int.toString (i + 1))]))
adamc@307 932 ets,
adamc@307 933 string " };",
adamc@307 934 newline,
adamc@307 935 newline]
adamc@307 936 end,
adamc@307 937 newline,
adamc@307 938 newline,
adamc@307 939 string "PGresult *res = ",
adamc@307 940 case prepared of
adamc@307 941 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 942 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 943 string (Int.toString n),
adamc@307 944 string "\", ",
adamc@307 945 string (Int.toString (length (getPargs dml))),
adamc@307 946 string ", paramValues, NULL, NULL, 0);"],
adamc@307 947 newline,
adamc@307 948 newline,
adamc@307 949
adamc@311 950 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 951 newline,
adamc@307 952 newline,
adamc@307 953
adamc@307 954 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 955 newline,
adamc@307 956 box [string "PQclear(res);",
adamc@307 957 newline,
adamc@311 958 string "uw_error(ctx, FATAL, \"",
adamc@307 959 string (ErrorMsg.spanToString loc),
adamc@307 960 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 961 case prepared of
adamc@307 962 NONE => string "dml"
adamc@307 963 | SOME _ => p_exp env dml,
adamc@307 964 string ", PQerrorMessage(conn));",
adamc@307 965 newline],
adamc@307 966 string "}",
adamc@307 967 newline,
adamc@307 968 newline,
adamc@307 969
adamc@307 970 string "PQclear(res);",
adamc@307 971 newline,
adamc@311 972 string "uw_unit_v;",
adamc@307 973 newline,
adamc@307 974 string "})"]
adamc@307 975
adamc@29 976 and p_exp env = p_exp' false env
adamc@29 977
adamc@129 978 fun p_fun env (fx, n, args, ran, e) =
adamc@129 979 let
adamc@129 980 val nargs = length args
adamc@129 981 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 982 in
adamc@129 983 box [string "static",
adamc@129 984 space,
adamc@129 985 p_typ env ran,
adamc@129 986 space,
adamc@316 987 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 988 string "(",
adamc@129 989 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 990 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 991 box [p_typ env dom,
adamc@129 992 space,
adamc@129 993 p_rel env' (nargs - i - 1)]) args),
adamc@129 994 string ")",
adamc@129 995 space,
adamc@129 996 string "{",
adamc@129 997 newline,
adamc@129 998 box[string "return(",
adamc@129 999 p_exp env' e,
adamc@129 1000 string ");"],
adamc@129 1001 newline,
adamc@129 1002 string "}"]
adamc@129 1003 end
adamc@129 1004
adamc@129 1005 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1006 case d of
adamc@29 1007 DStruct (n, xts) =>
adamc@196 1008 let
adamc@196 1009 val env = E.declBinds env dAll
adamc@196 1010 in
adamc@196 1011 box [string "struct",
adamc@196 1012 space,
adamc@311 1013 string ("__uws_" ^ Int.toString n),
adamc@196 1014 space,
adamc@196 1015 string "{",
adamc@196 1016 newline,
adamc@196 1017 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1018 space,
adamc@311 1019 string "__uwf_",
adamc@316 1020 p_ident x,
adamc@196 1021 string ";",
adamc@196 1022 newline]) xts,
adamc@196 1023 string "};"]
adamc@196 1024 end
adamc@188 1025 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1026 box [string "enum",
adamc@188 1027 space,
adamc@316 1028 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1029 space,
adamc@188 1030 string "{",
adamc@188 1031 space,
adamc@316 1032 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1033 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1034 space,
adamc@188 1035 string "};"]
adamc@198 1036 | DDatatype (Option, _, _, _) => box []
adamc@188 1037 | DDatatype (Default, x, n, xncs) =>
adamc@165 1038 let
adamc@165 1039 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1040 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1041 in
adamc@165 1042 box [string "enum",
adamc@165 1043 space,
adamc@316 1044 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1045 space,
adamc@165 1046 string "{",
adamc@165 1047 space,
adamc@316 1048 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1049 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1050 space,
adamc@165 1051 string "};",
adamc@165 1052 newline,
adamc@165 1053 newline,
adamc@165 1054 string "struct",
adamc@165 1055 space,
adamc@316 1056 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1057 space,
adamc@165 1058 string "{",
adamc@165 1059 newline,
adamc@165 1060 string "enum",
adamc@165 1061 space,
adamc@316 1062 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1063 space,
adamc@165 1064 string "tag;",
adamc@165 1065 newline,
adamc@165 1066 box (case xncsArgs of
adamc@165 1067 [] => []
adamc@165 1068 | _ => [string "union",
adamc@165 1069 space,
adamc@165 1070 string "{",
adamc@165 1071 newline,
adamc@165 1072 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1073 space,
adamc@316 1074 string ("uw_" ^ ident x),
adamc@165 1075 string ";"]) xncsArgs,
adamc@165 1076 newline,
adamc@165 1077 string "}",
adamc@165 1078 space,
adamc@165 1079 string "data;",
adamc@165 1080 newline]),
adamc@165 1081 string "};"]
adamc@188 1082 end
adamc@29 1083
adamc@196 1084 | DDatatypeForward _ => box []
adamc@196 1085
adamc@29 1086 | DVal (x, n, t, e) =>
adamc@29 1087 box [p_typ env t,
adamc@29 1088 space,
adamc@316 1089 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1090 space,
adamc@29 1091 string "=",
adamc@29 1092 space,
adamc@29 1093 p_exp env e,
adamc@29 1094 string ";"]
adamc@129 1095 | DFun vi => p_fun env vi
adamc@129 1096 | DFunRec vis =>
adamc@29 1097 let
adamc@129 1098 val env = E.declBinds env dAll
adamc@29 1099 in
adamc@129 1100 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1101 box [string "static",
adamc@129 1102 space,
adamc@129 1103 p_typ env ran,
adamc@129 1104 space,
adamc@316 1105 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1106 string "(uw_context,",
adamc@129 1107 space,
adamc@129 1108 p_list_sep (box [string ",", space])
adamc@129 1109 (fn (_, dom) => p_typ env dom) args,
adamc@129 1110 string ");"]) vis,
adamc@29 1111 newline,
adamc@129 1112 p_list_sep newline (p_fun env) vis,
adamc@129 1113 newline]
adamc@29 1114 end
adamc@273 1115 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1116 string x,
adamc@273 1117 string " */",
adamc@273 1118 newline]
adamc@311 1119 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1120 newline,
adamc@311 1121 string "static void uw_db_prepare(uw_context);",
adamc@282 1122 newline,
adamc@275 1123 newline,
adamc@311 1124 string "void uw_db_init(uw_context ctx) {",
adamc@273 1125 newline,
adamc@272 1126 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1127 string (String.toString s),
adamc@272 1128 string "\");",
adamc@272 1129 newline,
adamc@311 1130 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1131 string "\"libpq can't allocate a connection.\");",
adamc@272 1132 newline,
adamc@272 1133 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1134 newline,
adamc@272 1135 box [string "char msg[1024];",
adamc@272 1136 newline,
adamc@272 1137 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1138 newline,
adamc@272 1139 string "msg[1023] = 0;",
adamc@272 1140 newline,
adamc@272 1141 string "PQfinish(conn);",
adamc@272 1142 newline,
adamc@311 1143 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1144 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1145 newline,
adamc@272 1146 string "}",
adamc@272 1147 newline,
adamc@311 1148 string "uw_set_db(ctx, conn);",
adamc@272 1149 newline,
adamc@311 1150 string "uw_db_validate(ctx);",
adamc@275 1151 newline,
adamc@311 1152 string "uw_db_prepare(ctx);",
adamc@282 1153 newline,
adamc@272 1154 string "}",
adamc@272 1155 newline,
adamc@272 1156 newline,
adamc@311 1157 string "void uw_db_close(uw_context ctx) {",
adamc@272 1158 newline,
adamc@311 1159 string "PQfinish(uw_get_db(ctx));",
adamc@272 1160 newline,
adamc@272 1161 string "}",
adamc@272 1162 newline]
adamc@29 1163
adamc@282 1164 | DPreparedStatements ss =>
adamc@311 1165 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1166 newline,
adamc@311 1167 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1168 newline,
adamc@282 1169 string "PGresult *res;",
adamc@282 1170 newline,
adamc@282 1171 newline,
adamc@282 1172
adamc@282 1173 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1174 box [string "res = PQprepare(conn, \"uw",
adamc@282 1175 string (Int.toString i),
adamc@282 1176 string "\", \"",
adamc@282 1177 string (String.toString s),
adamc@282 1178 string "\", ",
adamc@282 1179 string (Int.toString n),
adamc@282 1180 string ", NULL);",
adamc@282 1181 newline,
adamc@282 1182 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1183 newline,
adamc@282 1184 box [string "char msg[1024];",
adamc@282 1185 newline,
adamc@282 1186 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1187 newline,
adamc@282 1188 string "msg[1023] = 0;",
adamc@282 1189 newline,
adamc@282 1190 string "PQclear(res);",
adamc@282 1191 newline,
adamc@282 1192 string "PQfinish(conn);",
adamc@282 1193 newline,
adamc@311 1194 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1195 string (String.toString s),
adamc@282 1196 string "\\n%s\", msg);",
adamc@282 1197 newline],
adamc@282 1198 string "}",
adamc@282 1199 newline,
adamc@282 1200 string "PQclear(res);",
adamc@282 1201 newline])
adamc@282 1202 ss,
adamc@282 1203
adamc@282 1204 string "}"]
adamc@282 1205
adamc@144 1206 datatype 'a search =
adamc@144 1207 Found of 'a
adamc@144 1208 | NotFound
adamc@144 1209 | Error
adamc@120 1210
adamc@275 1211 fun p_sqltype' env (tAll as (t, loc)) =
adamc@275 1212 case t of
adamc@275 1213 TFfi ("Basis", "int") => "int8"
adamc@275 1214 | TFfi ("Basis", "float") => "float8"
adamc@275 1215 | TFfi ("Basis", "string") => "text"
adamc@275 1216 | TFfi ("Basis", "bool") => "bool"
adamc@275 1217 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1218 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1219 "ERROR")
adamc@275 1220
adamc@275 1221 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1222
adamc@101 1223 fun p_file env (ds, ps) =
adamc@29 1224 let
adamc@101 1225 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1226 (p_decl env d,
adamc@31 1227 E.declBinds env d))
adamc@101 1228 env ds
adamc@144 1229
adamc@144 1230 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1231 case ek of
adamc@144 1232 Core.Link => fields
adamc@144 1233 | Core.Action =>
adamc@280 1234 case List.nth (ts, length ts - 2) of
adamc@144 1235 (TRecord i, _) =>
adamc@144 1236 let
adamc@144 1237 val xts = E.lookupStruct env i
adamc@144 1238 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1239 in
adamc@144 1240 foldl (fn ((x, _), fields) =>
adamc@144 1241 let
adamc@144 1242 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1243 in
adamc@144 1244 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1245 xtsSet'))
adamc@144 1246 end) fields xts
adamc@144 1247 end
adamc@144 1248 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1249 SM.empty ps
adamc@144 1250
adamc@144 1251 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1252 let
adamc@144 1253 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1254 case SM.find (fnums, x') of
adamc@144 1255 NONE => unusable
adamc@144 1256 | SOME n => IS.add (unusable, n))
adamc@144 1257 IS.empty xs
adamc@144 1258
adamc@144 1259 fun findAvailable n =
adamc@144 1260 if IS.member (unusable, n) then
adamc@144 1261 findAvailable (n + 1)
adamc@144 1262 else
adamc@144 1263 n
adamc@144 1264 in
adamc@144 1265 SM.insert (fnums, x, findAvailable 0)
adamc@144 1266 end)
adamc@144 1267 SM.empty fields
adamc@144 1268
adamc@144 1269 fun makeSwitch (fnums, i) =
adamc@144 1270 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1271 | (n, Error) => Error
adamc@144 1272 | (n, Found n') => if n = n' then
adamc@144 1273 Found n'
adamc@144 1274 else
adamc@144 1275 Error) NotFound fnums of
adamc@144 1276 NotFound => box [string "return",
adamc@144 1277 space,
adamc@144 1278 string "-1;"]
adamc@144 1279 | Found n => box [string "return",
adamc@144 1280 space,
adamc@144 1281 string (Int.toString n),
adamc@144 1282 string ";"]
adamc@144 1283 | Error =>
adamc@144 1284 let
adamc@144 1285 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1286 let
adamc@144 1287 val ch = if i < size x then
adamc@144 1288 String.sub (x, i)
adamc@144 1289 else
adamc@144 1290 chr 0
adamc@144 1291
adamc@144 1292 val fnums = case CM.find (cmap, ch) of
adamc@144 1293 NONE => SM.empty
adamc@144 1294 | SOME fnums => fnums
adamc@144 1295 val fnums = SM.insert (fnums, x, n)
adamc@144 1296 in
adamc@144 1297 CM.insert (cmap, ch, fnums)
adamc@144 1298 end)
adamc@144 1299 CM.empty fnums
adamc@144 1300
adamc@144 1301 val cmap = CM.listItemsi cmap
adamc@144 1302 in
adamc@144 1303 case cmap of
adamc@144 1304 [(_, fnums)] =>
adamc@144 1305 box [string "if",
adamc@144 1306 space,
adamc@144 1307 string "(name[",
adamc@144 1308 string (Int.toString i),
adamc@144 1309 string "]",
adamc@144 1310 space,
adamc@144 1311 string "==",
adamc@144 1312 space,
adamc@144 1313 string "0)",
adamc@144 1314 space,
adamc@144 1315 string "return",
adamc@144 1316 space,
adamc@144 1317 string "-1;",
adamc@144 1318 newline,
adamc@144 1319 makeSwitch (fnums, i+1)]
adamc@144 1320 | _ =>
adamc@144 1321 box [string "switch",
adamc@144 1322 space,
adamc@144 1323 string "(name[",
adamc@144 1324 string (Int.toString i),
adamc@144 1325 string "])",
adamc@144 1326 space,
adamc@144 1327 string "{",
adamc@144 1328 newline,
adamc@144 1329 box (map (fn (ch, fnums) =>
adamc@144 1330 box [string "case",
adamc@144 1331 space,
adamc@144 1332 if ch = chr 0 then
adamc@144 1333 string "0:"
adamc@144 1334 else
adamc@144 1335 box [string "'",
adamc@144 1336 string (Char.toString ch),
adamc@144 1337 string "':"],
adamc@144 1338 newline,
adamc@144 1339 makeSwitch (fnums, i+1),
adamc@144 1340 newline]) cmap),
adamc@144 1341 string "default:",
adamc@144 1342 newline,
adamc@144 1343 string "return",
adamc@144 1344 space,
adamc@144 1345 string "-1;",
adamc@144 1346 newline,
adamc@144 1347 string "}"]
adamc@144 1348 end
adamc@144 1349
adamc@186 1350 fun capitalize s =
adamc@186 1351 if s = "" then
adamc@186 1352 ""
adamc@186 1353 else
adamc@186 1354 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@186 1355
adamc@144 1356 fun unurlify (t, loc) =
adamc@144 1357 case t of
adamc@316 1358 TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@144 1359
adamc@311 1360 | TRecord 0 => string "uw_unit_v"
adamc@144 1361 | TRecord i =>
adamc@144 1362 let
adamc@144 1363 val xts = E.lookupStruct env i
adamc@144 1364 in
adamc@144 1365 box [string "({",
adamc@144 1366 newline,
adamc@144 1367 box (map (fn (x, t) =>
adamc@144 1368 box [p_typ env t,
adamc@144 1369 space,
adamc@144 1370 string x,
adamc@144 1371 space,
adamc@144 1372 string "=",
adamc@144 1373 space,
adamc@144 1374 unurlify t,
adamc@144 1375 string ";",
adamc@144 1376 newline]) xts),
adamc@144 1377 string "struct",
adamc@144 1378 space,
adamc@311 1379 string "__uws_",
adamc@144 1380 string (Int.toString i),
adamc@144 1381 space,
adamc@181 1382 string "tmp",
adamc@144 1383 space,
adamc@144 1384 string "=",
adamc@144 1385 space,
adamc@144 1386 string "{",
adamc@144 1387 space,
adamc@144 1388 p_list_sep (box [string ",", space]) (fn (x, _) => string x) xts,
adamc@144 1389 space,
adamc@144 1390 string "};",
adamc@144 1391 newline,
adamc@181 1392 string "tmp;",
adamc@144 1393 newline,
adamc@144 1394 string "})"]
adamc@144 1395 end
adamc@144 1396
adamc@188 1397 | TDatatype (Enum, i, _) =>
adamc@188 1398 let
adamc@188 1399 val (x, xncs) = E.lookupDatatype env i
adamc@188 1400
adamc@188 1401 fun doEm xncs =
adamc@188 1402 case xncs of
adamc@311 1403 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), (enum __uwe_"
adamc@188 1404 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@188 1405 | (x', n, to) :: rest =>
adamc@188 1406 box [string "((!strncmp(request, \"",
adamc@188 1407 string x',
adamc@188 1408 string "\", ",
adamc@188 1409 string (Int.toString (size x')),
adamc@188 1410 string ") && (request[",
adamc@188 1411 string (Int.toString (size x')),
adamc@188 1412 string "] == 0 || request[",
adamc@188 1413 string (Int.toString (size x')),
adamc@316 1414 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@188 1415 space,
adamc@188 1416 string ":",
adamc@188 1417 space,
adamc@188 1418 doEm rest,
adamc@188 1419 string ")"]
adamc@188 1420 in
adamc@188 1421 doEm xncs
adamc@188 1422 end
adamc@188 1423
adamc@198 1424 | TDatatype (Option, i, xncs) =>
adamc@198 1425 let
adamc@198 1426 val (x, _) = E.lookupDatatype env i
adamc@198 1427
adamc@198 1428 val (no_arg, has_arg, t) =
adamc@198 1429 case !xncs of
adamc@198 1430 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@198 1431 (no_arg, has_arg, t)
adamc@198 1432 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@198 1433 (no_arg, has_arg, t)
adamc@198 1434 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@198 1435 in
adamc@198 1436 box [string "(request[0] == '/' ? ++request : request,",
adamc@198 1437 newline,
adamc@198 1438 string "((!strncmp(request, \"",
adamc@198 1439 string no_arg,
adamc@198 1440 string "\", ",
adamc@198 1441 string (Int.toString (size no_arg)),
adamc@198 1442 string ") && (request[",
adamc@198 1443 string (Int.toString (size no_arg)),
adamc@198 1444 string "] == 0 || request[",
adamc@198 1445 string (Int.toString (size no_arg)),
adamc@198 1446 string "] == '/')) ? (request",
adamc@198 1447 space,
adamc@198 1448 string "+=",
adamc@198 1449 space,
adamc@198 1450 string (Int.toString (size no_arg)),
adamc@198 1451 string ", NULL) : ((!strncmp(request, \"",
adamc@198 1452 string has_arg,
adamc@198 1453 string "\", ",
adamc@198 1454 string (Int.toString (size has_arg)),
adamc@198 1455 string ") && (request[",
adamc@198 1456 string (Int.toString (size has_arg)),
adamc@198 1457 string "] == 0 || request[",
adamc@198 1458 string (Int.toString (size has_arg)),
adamc@198 1459 string "] == '/')) ? (request",
adamc@198 1460 space,
adamc@198 1461 string "+=",
adamc@198 1462 space,
adamc@198 1463 string (Int.toString (size has_arg)),
adamc@200 1464 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@200 1465 newline,
adamc@198 1466
adamc@198 1467 case #1 t of
adamc@198 1468 TDatatype _ => unurlify t
adamc@199 1469 | TFfi ("Basis", "string") => unurlify t
adamc@198 1470 | _ => box [string "({",
adamc@198 1471 newline,
adamc@198 1472 p_typ env t,
adamc@198 1473 space,
adamc@198 1474 string "*tmp",
adamc@198 1475 space,
adamc@198 1476 string "=",
adamc@198 1477 space,
adamc@311 1478 string "uw_malloc(ctx, sizeof(",
adamc@198 1479 p_typ env t,
adamc@198 1480 string "));",
adamc@198 1481 newline,
adamc@198 1482 string "*tmp",
adamc@198 1483 space,
adamc@198 1484 string "=",
adamc@198 1485 space,
adamc@198 1486 unurlify t,
adamc@198 1487 string ";",
adamc@198 1488 newline,
adamc@198 1489 string "tmp;",
adamc@198 1490 newline,
adamc@198 1491 string "})"],
adamc@198 1492 string ")",
adamc@198 1493 newline,
adamc@198 1494 string ":",
adamc@198 1495 space,
adamc@311 1496 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL))))")]
adamc@198 1497 end
adamc@198 1498
adamc@188 1499 | TDatatype (Default, i, _) =>
adamc@166 1500 let
adamc@166 1501 val (x, xncs) = E.lookupDatatype env i
adamc@166 1502
adamc@166 1503 fun doEm xncs =
adamc@166 1504 case xncs of
adamc@311 1505 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)")
adamc@167 1506 | (x', n, to) :: rest =>
adamc@167 1507 box [string "((!strncmp(request, \"",
adamc@167 1508 string x',
adamc@167 1509 string "\", ",
adamc@167 1510 string (Int.toString (size x')),
adamc@167 1511 string ") && (request[",
adamc@167 1512 string (Int.toString (size x')),
adamc@167 1513 string "] == 0 || request[",
adamc@167 1514 string (Int.toString (size x')),
adamc@167 1515 string "] == '/')) ? ({",
adamc@166 1516 newline,
adamc@167 1517 string "struct",
adamc@167 1518 space,
adamc@316 1519 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@166 1520 space,
adamc@311 1521 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@167 1522 string x,
adamc@167 1523 string "_",
adamc@167 1524 string (Int.toString i),
adamc@167 1525 string "));",
adamc@166 1526 newline,
adamc@181 1527 string "tmp->tag",
adamc@166 1528 space,
adamc@166 1529 string "=",
adamc@166 1530 space,
adamc@316 1531 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@166 1532 string ";",
adamc@166 1533 newline,
adamc@166 1534 string "request",
adamc@166 1535 space,
adamc@166 1536 string "+=",
adamc@166 1537 space,
adamc@167 1538 string (Int.toString (size x')),
adamc@166 1539 string ";",
adamc@166 1540 newline,
adamc@200 1541 string "if (request[0] == '/') ++request;",
adamc@200 1542 newline,
adamc@166 1543 case to of
adamc@166 1544 NONE => box []
adamc@311 1545 | SOME t => box [string "tmp->data.uw_",
adamc@316 1546 p_ident x',
adamc@166 1547 space,
adamc@166 1548 string "=",
adamc@166 1549 space,
adamc@166 1550 unurlify t,
adamc@166 1551 string ";",
adamc@166 1552 newline],
adamc@181 1553 string "tmp;",
adamc@166 1554 newline,
adamc@166 1555 string "})",
adamc@166 1556 space,
adamc@166 1557 string ":",
adamc@166 1558 space,
adamc@166 1559 doEm rest,
adamc@166 1560 string ")"]
adamc@166 1561 in
adamc@166 1562 doEm xncs
adamc@166 1563 end
adamc@166 1564
adamc@144 1565 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@144 1566 space)
adamc@144 1567
adamc@144 1568
adamc@144 1569 fun p_page (ek, s, n, ts) =
adamc@144 1570 let
adamc@144 1571 val (ts, defInputs, inputsVar) =
adamc@144 1572 case ek of
adamc@314 1573 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1574 | Core.Action =>
adamc@280 1575 case List.nth (ts, length ts - 2) of
adamc@144 1576 (TRecord i, _) =>
adamc@144 1577 let
adamc@144 1578 val xts = E.lookupStruct env i
adamc@144 1579 in
adamc@280 1580 (List.take (ts, length ts - 2),
adamc@144 1581 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1582 space,
adamc@311 1583 string "uw_input_",
adamc@316 1584 p_ident x,
adamc@144 1585 string ";",
adamc@144 1586 newline]) xts),
adamc@144 1587 newline,
adamc@144 1588 box (map (fn (x, t) =>
adamc@144 1589 let
adamc@144 1590 val n = case SM.find (fnums, x) of
adamc@144 1591 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1592 | SOME n => n
adamc@190 1593
adamc@190 1594 val f = case t of
adamc@190 1595 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1596 | _ => ""
adamc@144 1597 in
adamc@311 1598 box [string "request = uw_get_",
adamc@190 1599 string f,
adamc@190 1600 string "input(ctx, ",
adamc@144 1601 string (Int.toString n),
adamc@144 1602 string ");",
adamc@144 1603 newline,
adamc@144 1604 string "if (request == NULL) {",
adamc@144 1605 newline,
adamc@144 1606 box [string "printf(\"Missing input ",
adamc@144 1607 string x,
adamc@144 1608 string "\\n\");",
adamc@144 1609 newline,
adamc@144 1610 string "exit(1);"],
adamc@144 1611 newline,
adamc@144 1612 string "}",
adamc@144 1613 newline,
adamc@311 1614 string "uw_input_",
adamc@316 1615 p_ident x,
adamc@144 1616 space,
adamc@144 1617 string "=",
adamc@144 1618 space,
adamc@144 1619 unurlify t,
adamc@144 1620 string ";",
adamc@144 1621 newline]
adamc@144 1622 end) xts),
adamc@311 1623 string "struct __uws_",
adamc@144 1624 string (Int.toString i),
adamc@144 1625 space,
adamc@311 1626 string "uw_inputs",
adamc@144 1627 space,
adamc@144 1628 string "= {",
adamc@144 1629 newline,
adamc@311 1630 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 1631 p_ident x,
adamc@144 1632 string ",",
adamc@144 1633 newline]) xts),
adamc@144 1634 string "};",
adamc@144 1635 newline],
adamc@144 1636 box [string ",",
adamc@144 1637 space,
adamc@311 1638 string "uw_inputs"])
adamc@144 1639 end
adamc@144 1640
adamc@144 1641 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1642 in
adamc@144 1643 box [string "if (!strncmp(request, \"",
adamc@144 1644 string (String.toString s),
adamc@144 1645 string "\", ",
adamc@144 1646 string (Int.toString (size s)),
adamc@198 1647 string ") && (request[",
adamc@198 1648 string (Int.toString (size s)),
adamc@198 1649 string "] == 0 || request[",
adamc@198 1650 string (Int.toString (size s)),
adamc@198 1651 string "] == '/')) {",
adamc@144 1652 newline,
adamc@144 1653 string "request += ",
adamc@144 1654 string (Int.toString (size s)),
adamc@144 1655 string ";",
adamc@144 1656 newline,
adamc@144 1657 string "if (*request == '/') ++request;",
adamc@144 1658 newline,
adamc@144 1659 box [string "{",
adamc@144 1660 newline,
adamc@144 1661 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 1662 space,
adamc@144 1663 string "arg",
adamc@144 1664 string (Int.toString i),
adamc@144 1665 space,
adamc@144 1666 string "=",
adamc@144 1667 space,
adamc@144 1668 unurlify t,
adamc@144 1669 string ";",
adamc@144 1670 newline]) ts),
adamc@144 1671 defInputs,
adamc@144 1672 p_enamed env n,
adamc@144 1673 string "(",
adamc@144 1674 p_list_sep (box [string ",", space])
adamc@144 1675 (fn x => x)
adamc@272 1676 (string "ctx"
adamc@280 1677 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 1678 inputsVar,
adamc@311 1679 string ", uw_unit_v);",
adamc@144 1680 newline,
adamc@144 1681 string "return;",
adamc@144 1682 newline,
adamc@144 1683 string "}",
adamc@144 1684 newline,
adamc@144 1685 string "}"]
adamc@144 1686 ]
adamc@144 1687 end
adamc@144 1688
adamc@144 1689 val pds' = map p_page ps
adamc@275 1690
adamc@275 1691 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 1692 | _ => NONE) ds
adamc@275 1693
adamc@275 1694 val validate =
adamc@311 1695 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 1696 newline,
adamc@311 1697 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 1698 newline,
adamc@275 1699 string "PGresult *res;",
adamc@275 1700 newline,
adamc@275 1701 newline,
adamc@275 1702 p_list_sep newline
adamc@275 1703 (fn (s, xts) =>
adamc@275 1704 let
adamc@275 1705 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@275 1706 ^ s ^ "'"
adamc@275 1707
adamc@275 1708 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@275 1709 s,
adamc@275 1710 "') AND (",
adamc@275 1711 String.concatWith " OR "
adamc@275 1712 (map (fn (x, t) =>
adamc@311 1713 String.concat ["(attname = 'uw_",
adamc@275 1714 CharVector.map
adamc@316 1715 Char.toLower (ident x),
adamc@275 1716 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 1717 " WHERE typname = '",
adamc@275 1718 p_sqltype' env t,
adamc@275 1719 "'))"]) xts),
adamc@275 1720 ")"]
adamc@275 1721
adamc@275 1722 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@275 1723 s,
adamc@275 1724 "') AND attnum >= 0"]
adamc@275 1725 in
adamc@275 1726 box [string "res = PQexec(conn, \"",
adamc@275 1727 string q,
adamc@275 1728 string "\");",
adamc@275 1729 newline,
adamc@275 1730 newline,
adamc@275 1731 string "if (res == NULL) {",
adamc@275 1732 newline,
adamc@275 1733 box [string "PQfinish(conn);",
adamc@275 1734 newline,
adamc@311 1735 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1736 newline],
adamc@275 1737 string "}",
adamc@275 1738 newline,
adamc@275 1739 newline,
adamc@275 1740 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1741 newline,
adamc@275 1742 box [string "char msg[1024];",
adamc@275 1743 newline,
adamc@275 1744 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1745 newline,
adamc@275 1746 string "msg[1023] = 0;",
adamc@275 1747 newline,
adamc@275 1748 string "PQclear(res);",
adamc@275 1749 newline,
adamc@275 1750 string "PQfinish(conn);",
adamc@275 1751 newline,
adamc@311 1752 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1753 string q,
adamc@275 1754 string "\\n%s\", msg);",
adamc@275 1755 newline],
adamc@275 1756 string "}",
adamc@275 1757 newline,
adamc@275 1758 newline,
adamc@275 1759 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 1760 newline,
adamc@275 1761 box [string "PQclear(res);",
adamc@275 1762 newline,
adamc@275 1763 string "PQfinish(conn);",
adamc@275 1764 newline,
adamc@311 1765 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1766 string s,
adamc@275 1767 string "' does not exist.\");",
adamc@275 1768 newline],
adamc@275 1769 string "}",
adamc@275 1770 newline,
adamc@275 1771 newline,
adamc@275 1772 string "PQclear(res);",
adamc@275 1773 newline,
adamc@275 1774
adamc@275 1775 string "res = PQexec(conn, \"",
adamc@275 1776 string q',
adamc@275 1777 string "\");",
adamc@275 1778 newline,
adamc@275 1779 newline,
adamc@275 1780 string "if (res == NULL) {",
adamc@275 1781 newline,
adamc@275 1782 box [string "PQfinish(conn);",
adamc@275 1783 newline,
adamc@311 1784 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1785 newline],
adamc@275 1786 string "}",
adamc@275 1787 newline,
adamc@275 1788 newline,
adamc@275 1789 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1790 newline,
adamc@275 1791 box [string "char msg[1024];",
adamc@275 1792 newline,
adamc@275 1793 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1794 newline,
adamc@275 1795 string "msg[1023] = 0;",
adamc@275 1796 newline,
adamc@275 1797 string "PQclear(res);",
adamc@275 1798 newline,
adamc@275 1799 string "PQfinish(conn);",
adamc@275 1800 newline,
adamc@311 1801 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1802 string q',
adamc@275 1803 string "\\n%s\", msg);",
adamc@275 1804 newline],
adamc@275 1805 string "}",
adamc@275 1806 newline,
adamc@275 1807 newline,
adamc@275 1808 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1809 string (Int.toString (length xts)),
adamc@275 1810 string "\")) {",
adamc@275 1811 newline,
adamc@275 1812 box [string "PQclear(res);",
adamc@275 1813 newline,
adamc@275 1814 string "PQfinish(conn);",
adamc@275 1815 newline,
adamc@311 1816 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1817 string s,
adamc@275 1818 string "' has the wrong column types.\");",
adamc@275 1819 newline],
adamc@275 1820 string "}",
adamc@275 1821 newline,
adamc@275 1822 newline,
adamc@275 1823 string "PQclear(res);",
adamc@275 1824 newline,
adamc@275 1825 newline,
adamc@275 1826
adamc@275 1827 string "res = PQexec(conn, \"",
adamc@275 1828 string q'',
adamc@275 1829 string "\");",
adamc@275 1830 newline,
adamc@275 1831 newline,
adamc@275 1832 string "if (res == NULL) {",
adamc@275 1833 newline,
adamc@275 1834 box [string "PQfinish(conn);",
adamc@275 1835 newline,
adamc@311 1836 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1837 newline],
adamc@275 1838 string "}",
adamc@275 1839 newline,
adamc@275 1840 newline,
adamc@275 1841 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1842 newline,
adamc@275 1843 box [string "char msg[1024];",
adamc@275 1844 newline,
adamc@275 1845 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1846 newline,
adamc@275 1847 string "msg[1023] = 0;",
adamc@275 1848 newline,
adamc@275 1849 string "PQclear(res);",
adamc@275 1850 newline,
adamc@275 1851 string "PQfinish(conn);",
adamc@275 1852 newline,
adamc@311 1853 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1854 string q'',
adamc@275 1855 string "\\n%s\", msg);",
adamc@275 1856 newline],
adamc@275 1857 string "}",
adamc@275 1858 newline,
adamc@275 1859 newline,
adamc@275 1860 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1861 string (Int.toString (length xts)),
adamc@275 1862 string "\")) {",
adamc@275 1863 newline,
adamc@275 1864 box [string "PQclear(res);",
adamc@275 1865 newline,
adamc@275 1866 string "PQfinish(conn);",
adamc@275 1867 newline,
adamc@311 1868 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1869 string s,
adamc@275 1870 string "' has extra columns.\");",
adamc@275 1871 newline],
adamc@275 1872 string "}",
adamc@275 1873 newline,
adamc@275 1874 newline,
adamc@275 1875 string "PQclear(res);",
adamc@275 1876 newline]
adamc@275 1877 end) tables,
adamc@275 1878 string "}"]
adamc@29 1879 in
adamc@144 1880 box [string "#include <stdio.h>",
adamc@144 1881 newline,
adamc@144 1882 string "#include <stdlib.h>",
adamc@144 1883 newline,
adamc@272 1884 string "#include <string.h>",
adamc@272 1885 newline,
adamc@272 1886 string "#include <postgresql/libpq-fe.h>",
adamc@272 1887 newline,
adamc@144 1888 newline,
adamc@244 1889 string "#include \"urweb.h\"",
adamc@101 1890 newline,
adamc@101 1891 newline,
adamc@101 1892 p_list_sep newline (fn x => x) pds,
adamc@101 1893 newline,
adamc@311 1894 string "int uw_inputs_len = ",
adamc@144 1895 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 1896 string ";",
adamc@144 1897 newline,
adamc@144 1898 newline,
adamc@311 1899 string "int uw_input_num(char *name) {",
adamc@144 1900 newline,
adamc@144 1901 makeSwitch (fnums, 0),
adamc@144 1902 string "}",
adamc@144 1903 newline,
adamc@144 1904 newline,
adamc@311 1905 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 1906 newline,
adamc@101 1907 p_list_sep newline (fn x => x) pds',
adamc@101 1908 newline,
adamc@101 1909 string "}",
adamc@275 1910 newline,
adamc@275 1911 newline,
adamc@275 1912 validate,
adamc@101 1913 newline]
adamc@29 1914 end
adamc@29 1915
adamc@274 1916 fun p_sql env (ds, _) =
adamc@274 1917 let
adamc@274 1918 val (pps, _) = ListUtil.foldlMap
adamc@274 1919 (fn (dAll as (d, _), env) =>
adamc@274 1920 let
adamc@274 1921 val pp = case d of
adamc@274 1922 DTable (s, xts) =>
adamc@274 1923 box [string "CREATE TABLE ",
adamc@274 1924 string s,
adamc@274 1925 string "(",
adamc@274 1926 p_list (fn (x, t) =>
adamc@311 1927 box [string "uw_",
adamc@275 1928 string (CharVector.map Char.toLower x),
adamc@274 1929 space,
adamc@274 1930 p_sqltype env t,
adamc@274 1931 space,
adamc@274 1932 string "NOT",
adamc@274 1933 space,
adamc@274 1934 string "NULL"]) xts,
adamc@274 1935 string ");",
adamc@274 1936 newline,
adamc@274 1937 newline]
adamc@274 1938 | _ => box []
adamc@274 1939 in
adamc@274 1940 (pp, E.declBinds env dAll)
adamc@274 1941 end)
adamc@274 1942 env ds
adamc@274 1943 in
adamc@274 1944 box pps
adamc@274 1945 end
adamc@274 1946
adamc@29 1947 end