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annotate src/cjr_print.sml @ 400:e756d3a47726

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Fix a nasty driver bug, involving memory restarts and marked-up request strings
author Adam Chlipala <adamc@hcoop.net>
date Tue, 21 Oct 2008 13:54:48 -0400
parents ab3177746c78
children ebf27030ae3b
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@387 612 | EUnop (s, e1) =>
adamc@387 613 parenIf par (box [string s,
adamc@387 614 space,
adamc@387 615 p_exp' true env e1])
adamc@387 616
adamc@387 617 | EBinop (s, e1, e2) =>
adamc@389 618 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 619 box [string s,
adamc@390 620 string "(",
adamc@389 621 p_exp env e1,
adamc@389 622 string ",",
adamc@389 623 space,
adamc@389 624 p_exp env e2,
adamc@389 625 string ")"]
adamc@389 626 else
adamc@389 627 parenIf par (box [p_exp' true env e1,
adamc@389 628 space,
adamc@389 629 string s,
adamc@389 630 space,
adamc@389 631 p_exp' true env e2])
adamc@387 632
adamc@29 633 | ERecord (i, xes) => box [string "({",
adamc@29 634 space,
adamc@29 635 string "struct",
adamc@29 636 space,
adamc@311 637 string ("__uws_" ^ Int.toString i),
adamc@29 638 space,
adamc@181 639 string "tmp",
adamc@29 640 space,
adamc@29 641 string "=",
adamc@29 642 space,
adamc@29 643 string "{",
adamc@29 644 p_list (fn (_, e) =>
adamc@29 645 p_exp env e) xes,
adamc@29 646 string "};",
adamc@29 647 space,
adamc@181 648 string "tmp;",
adamc@29 649 space,
adamc@29 650 string "})" ]
adamc@29 651 | EField (e, x) =>
adamc@29 652 box [p_exp' true env e,
adamc@311 653 string ".__uwf_",
adamc@316 654 p_ident x]
adamc@29 655
adamc@182 656 | ECase (e, pes, {disc, result}) =>
adamc@182 657 let
adamc@182 658 val final = newGoto ()
adamc@182 659
adamc@182 660 val body = foldl (fn ((p, e), body) =>
adamc@182 661 let
adamc@182 662 val exit = newGoto ()
adamc@182 663 val (pr, _) = p_pat_preamble env p
adamc@182 664 val (p, env) = p_pat (env,
adamc@182 665 box [string "goto",
adamc@182 666 space,
adamc@182 667 exit,
adamc@182 668 string ";"],
adamc@182 669 0) p
adamc@182 670 in
adamc@182 671 box [body,
adamc@182 672 box [string "{",
adamc@182 673 newline,
adamc@182 674 pr,
adamc@182 675 newline,
adamc@182 676 p,
adamc@182 677 newline,
adamc@182 678 string "result",
adamc@182 679 space,
adamc@182 680 string "=",
adamc@182 681 space,
adamc@182 682 p_exp env e,
adamc@182 683 string ";",
adamc@182 684 newline,
adamc@182 685 string "goto",
adamc@182 686 space,
adamc@182 687 final,
adamc@182 688 string ";",
adamc@182 689 newline,
adamc@182 690 string "}"],
adamc@182 691 newline,
adamc@182 692 exit,
adamc@182 693 string ":",
adamc@182 694 newline]
adamc@182 695 end) (box []) pes
adamc@182 696 in
adamc@182 697 box [string "({",
adamc@182 698 newline,
adamc@182 699 p_typ env disc,
adamc@182 700 space,
adamc@182 701 string "disc0",
adamc@182 702 space,
adamc@182 703 string "=",
adamc@182 704 space,
adamc@182 705 p_exp env e,
adamc@182 706 string ";",
adamc@182 707 newline,
adamc@182 708 p_typ env result,
adamc@182 709 space,
adamc@182 710 string "result;",
adamc@182 711 newline,
adamc@182 712 body,
adamc@311 713 string "uw_error(ctx, FATAL, \"",
adamc@182 714 string (ErrorMsg.spanToString loc),
adamc@182 715 string ": pattern match failure\");",
adamc@182 716 newline,
adamc@182 717 final,
adamc@182 718 string ":",
adamc@182 719 space,
adamc@182 720 string "result;",
adamc@182 721 newline,
adamc@182 722 string "})"]
adamc@182 723 end
adamc@181 724
adamc@311 725 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 726 p_exp env e,
adamc@311 727 string "), uw_unit_v)"]
adamc@102 728
adamc@106 729 | ESeq (e1, e2) => box [string "(",
adamc@106 730 p_exp env e1,
adamc@106 731 string ",",
adamc@106 732 space,
adamc@106 733 p_exp env e2,
adamc@106 734 string ")"]
adamc@269 735 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 736 newline,
adamc@269 737 p_typ env t,
adamc@269 738 space,
adamc@311 739 string "__uwr_",
adamc@316 740 p_ident x,
adamc@272 741 string "_",
adamc@272 742 string (Int.toString (E.countERels env)),
adamc@269 743 space,
adamc@269 744 string "=",
adamc@269 745 space,
adamc@269 746 p_exp env e1,
adamc@269 747 string ";",
adamc@269 748 newline,
adamc@269 749 p_exp (E.pushERel env x t) e2,
adamc@269 750 string ";",
adamc@269 751 newline,
adamc@269 752 string "})"]
adamc@269 753
adamc@282 754 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 755 let
adamc@316 756 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 757 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 758 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 759 tables
adamc@278 760
adamc@278 761 val outputs = exps @ tables
adamc@325 762 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 763
adamc@324 764 val wontLeakStrings = notLeaky env true state
adamc@324 765 val wontLeakAnything = notLeaky env false state
adamc@278 766 in
adamc@324 767 box [string "(uw_begin_region(ctx), ",
adamc@324 768 if wontLeakAnything then
adamc@331 769 string "uw_begin_region(ctx), "
adamc@324 770 else
adamc@324 771 box [],
adamc@324 772 string "({",
adamc@278 773 newline,
adamc@311 774 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 775 newline,
adamc@282 776 case prepared of
adamc@282 777 NONE => box [string "char *query = ",
adamc@282 778 p_exp env query,
adamc@282 779 string ";",
adamc@282 780 newline]
adamc@282 781 | SOME _ =>
adamc@282 782 let
adamc@282 783 val ets = getPargs query
adamc@282 784 in
adamc@282 785 box [p_list_sepi newline
adamc@282 786 (fn i => fn (e, t) =>
adamc@282 787 box [p_sql_type t,
adamc@282 788 space,
adamc@282 789 string "arg",
adamc@282 790 string (Int.toString (i + 1)),
adamc@282 791 space,
adamc@282 792 string "=",
adamc@282 793 space,
adamc@282 794 p_exp env e,
adamc@282 795 string ";"])
adamc@282 796 ets,
adamc@282 797 newline,
adamc@282 798 newline,
adamc@282 799
adamc@282 800 string "const char *paramValues[] = { ",
adamc@282 801 p_list_sepi (box [string ",", space])
adamc@282 802 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 803 string (Int.toString (i + 1))]))
adamc@282 804 ets,
adamc@282 805 string " };",
adamc@282 806 newline,
adamc@282 807 newline]
adamc@282 808 end,
adamc@278 809 string "int n, i;",
adamc@278 810 newline,
adamc@278 811 p_typ env state,
adamc@278 812 space,
adamc@278 813 string "acc",
adamc@278 814 space,
adamc@278 815 string "=",
adamc@278 816 space,
adamc@278 817 p_exp env initial,
adamc@278 818 string ";",
adamc@278 819 newline,
adamc@282 820 string "PGresult *res = ",
adamc@282 821 case prepared of
adamc@295 822 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 823 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 824 string (Int.toString n),
adamc@282 825 string "\", ",
adamc@282 826 string (Int.toString (length (getPargs query))),
adamc@295 827 string ", paramValues, NULL, NULL, 0);"],
adamc@278 828 newline,
adamc@278 829 newline,
adamc@277 830
adamc@311 831 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 832 newline,
adamc@278 833 newline,
adamc@277 834
adamc@278 835 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 836 newline,
adamc@278 837 box [string "PQclear(res);",
adamc@278 838 newline,
adamc@311 839 string "uw_error(ctx, FATAL, \"",
adamc@278 840 string (ErrorMsg.spanToString loc),
adamc@282 841 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 842 case prepared of
adamc@282 843 NONE => string "query"
adamc@282 844 | SOME _ => p_exp env query,
adamc@282 845 string ", PQerrorMessage(conn));",
adamc@278 846 newline],
adamc@278 847 string "}",
adamc@278 848 newline,
adamc@278 849 newline,
adamc@277 850
adamc@323 851 string "uw_end_region(ctx);",
adamc@323 852 newline,
adamc@278 853 string "n = PQntuples(res);",
adamc@278 854 newline,
adamc@278 855 string "for (i = 0; i < n; ++i) {",
adamc@278 856 newline,
adamc@278 857 box [string "struct",
adamc@278 858 space,
adamc@311 859 string "__uws_",
adamc@278 860 string (Int.toString rnum),
adamc@278 861 space,
adamc@311 862 string "__uwr_r_",
adamc@278 863 string (Int.toString (E.countERels env)),
adamc@278 864 string ";",
adamc@278 865 newline,
adamc@278 866 p_typ env state,
adamc@278 867 space,
adamc@311 868 string "__uwr_acc_",
adamc@278 869 string (Int.toString (E.countERels env + 1)),
adamc@278 870 space,
adamc@278 871 string "=",
adamc@278 872 space,
adamc@278 873 string "acc;",
adamc@278 874 newline,
adamc@278 875 newline,
adamc@278 876
adamc@278 877 p_list_sepi (box []) (fn i =>
adamc@278 878 fn (proj, t) =>
adamc@311 879 box [string "__uwr_r_",
adamc@278 880 string (Int.toString (E.countERels env)),
adamc@278 881 string ".",
adamc@278 882 string proj,
adamc@278 883 space,
adamc@278 884 string "=",
adamc@278 885 space,
adamc@324 886 p_unsql wontLeakStrings env t
adamc@278 887 (box [string "PQgetvalue(res, i, ",
adamc@278 888 string (Int.toString i),
adamc@278 889 string ")"]),
adamc@278 890 string ";",
adamc@278 891 newline]) outputs,
adamc@278 892
adamc@278 893 newline,
adamc@278 894 newline,
adamc@278 895
adamc@278 896 string "acc",
adamc@278 897 space,
adamc@278 898 string "=",
adamc@278 899 space,
adamc@278 900 p_exp (E.pushERel
adamc@278 901 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 902 "acc" state)
adamc@278 903 body,
adamc@278 904 string ";",
adamc@278 905 newline],
adamc@278 906 string "}",
adamc@278 907 newline,
adamc@278 908 newline,
adamc@278 909 string "PQclear(res);",
adamc@278 910 newline,
adamc@324 911 if wontLeakAnything then
adamc@324 912 box [string "uw_end_region(ctx);",
adamc@324 913 newline]
adamc@324 914 else
adamc@324 915 box [],
adamc@278 916 string "acc;",
adamc@278 917 newline,
adamc@323 918 string "}))"]
adamc@278 919 end
adamc@106 920
adamc@307 921 | EDml {dml, prepared} =>
adamc@337 922 box [string "(uw_begin_region(ctx), ({",
adamc@307 923 newline,
adamc@311 924 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 925 newline,
adamc@307 926 case prepared of
adamc@307 927 NONE => box [string "char *dml = ",
adamc@307 928 p_exp env dml,
adamc@307 929 string ";",
adamc@307 930 newline]
adamc@307 931 | SOME _ =>
adamc@307 932 let
adamc@307 933 val ets = getPargs dml
adamc@307 934 in
adamc@307 935 box [p_list_sepi newline
adamc@307 936 (fn i => fn (e, t) =>
adamc@307 937 box [p_sql_type t,
adamc@307 938 space,
adamc@307 939 string "arg",
adamc@307 940 string (Int.toString (i + 1)),
adamc@307 941 space,
adamc@307 942 string "=",
adamc@307 943 space,
adamc@307 944 p_exp env e,
adamc@307 945 string ";"])
adamc@307 946 ets,
adamc@307 947 newline,
adamc@307 948 newline,
adamc@307 949
adamc@307 950 string "const char *paramValues[] = { ",
adamc@307 951 p_list_sepi (box [string ",", space])
adamc@307 952 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 953 string (Int.toString (i + 1))]))
adamc@307 954 ets,
adamc@307 955 string " };",
adamc@307 956 newline,
adamc@307 957 newline]
adamc@307 958 end,
adamc@307 959 newline,
adamc@307 960 newline,
adamc@307 961 string "PGresult *res = ",
adamc@307 962 case prepared of
adamc@307 963 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 964 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 965 string (Int.toString n),
adamc@307 966 string "\", ",
adamc@307 967 string (Int.toString (length (getPargs dml))),
adamc@307 968 string ", paramValues, NULL, NULL, 0);"],
adamc@307 969 newline,
adamc@307 970 newline,
adamc@307 971
adamc@311 972 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 973 newline,
adamc@307 974 newline,
adamc@307 975
adamc@307 976 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 977 newline,
adamc@307 978 box [string "PQclear(res);",
adamc@307 979 newline,
adamc@311 980 string "uw_error(ctx, FATAL, \"",
adamc@307 981 string (ErrorMsg.spanToString loc),
adamc@307 982 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 983 case prepared of
adamc@307 984 NONE => string "dml"
adamc@307 985 | SOME _ => p_exp env dml,
adamc@307 986 string ", PQerrorMessage(conn));",
adamc@307 987 newline],
adamc@307 988 string "}",
adamc@307 989 newline,
adamc@307 990 newline,
adamc@307 991
adamc@307 992 string "PQclear(res);",
adamc@307 993 newline,
adamc@337 994 string "uw_end_region(ctx);",
adamc@337 995 newline,
adamc@311 996 string "uw_unit_v;",
adamc@307 997 newline,
adamc@337 998 string "}))"]
adamc@307 999
adamc@338 1000 | ENextval {seq, prepared} =>
adamc@338 1001 let
adamc@338 1002 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@338 1003 val query = (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@338 1004 in
adamc@338 1005 box [string "(uw_begin_region(ctx), ",
adamc@338 1006 string "({",
adamc@338 1007 newline,
adamc@338 1008 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1009 newline,
adamc@338 1010 case prepared of
adamc@338 1011 NONE => box [string "char *query = ",
adamc@338 1012 p_exp env query,
adamc@338 1013 string ";",
adamc@338 1014 newline]
adamc@338 1015 | SOME _ =>
adamc@338 1016 box [],
adamc@338 1017 newline,
adamc@338 1018 string "PGresult *res = ",
adamc@338 1019 case prepared of
adamc@338 1020 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1021 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1022 string (Int.toString n),
adamc@338 1023 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1024 newline,
adamc@338 1025 string "uw_Basis_int n;",
adamc@338 1026 newline,
adamc@338 1027 newline,
adamc@338 1028
adamc@338 1029 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1030 newline,
adamc@338 1031 newline,
adamc@338 1032
adamc@338 1033 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1034 newline,
adamc@338 1035 box [string "PQclear(res);",
adamc@338 1036 newline,
adamc@338 1037 string "uw_error(ctx, FATAL, \"",
adamc@338 1038 string (ErrorMsg.spanToString loc),
adamc@338 1039 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1040 case prepared of
adamc@338 1041 NONE => string "query"
adamc@338 1042 | SOME _ => p_exp env query,
adamc@338 1043 string ", PQerrorMessage(conn));",
adamc@338 1044 newline],
adamc@338 1045 string "}",
adamc@338 1046 newline,
adamc@338 1047 newline,
adamc@338 1048
adamc@338 1049 string "uw_end_region(ctx);",
adamc@338 1050 newline,
adamc@338 1051 string "n = PQntuples(res);",
adamc@338 1052 newline,
adamc@338 1053 string "if (n != 1) {",
adamc@338 1054 newline,
adamc@338 1055 box [string "PQclear(res);",
adamc@338 1056 newline,
adamc@338 1057 string "uw_error(ctx, FATAL, \"",
adamc@338 1058 string (ErrorMsg.spanToString loc),
adamc@338 1059 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1060 case prepared of
adamc@338 1061 NONE => string "query"
adamc@338 1062 | SOME _ => p_exp env query,
adamc@338 1063 string ", PQerrorMessage(conn));",
adamc@338 1064 newline],
adamc@338 1065 string "}",
adamc@338 1066 newline,
adamc@338 1067 newline,
adamc@338 1068
adamc@338 1069 string "n = ",
adamc@338 1070 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1071 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1072 string ";",
adamc@338 1073 newline,
adamc@338 1074 string "PQclear(res);",
adamc@338 1075 newline,
adamc@338 1076 string "n;",
adamc@338 1077 newline,
adamc@338 1078 string "}))"]
adamc@338 1079 end
adamc@338 1080
adamc@29 1081 and p_exp env = p_exp' false env
adamc@29 1082
adamc@129 1083 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1084 let
adamc@129 1085 val nargs = length args
adamc@129 1086 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1087 in
adamc@129 1088 box [string "static",
adamc@129 1089 space,
adamc@129 1090 p_typ env ran,
adamc@129 1091 space,
adamc@316 1092 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1093 string "(",
adamc@129 1094 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1095 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1096 box [p_typ env dom,
adamc@129 1097 space,
adamc@129 1098 p_rel env' (nargs - i - 1)]) args),
adamc@129 1099 string ")",
adamc@129 1100 space,
adamc@129 1101 string "{",
adamc@129 1102 newline,
adamc@129 1103 box[string "return(",
adamc@129 1104 p_exp env' e,
adamc@129 1105 string ");"],
adamc@129 1106 newline,
adamc@129 1107 string "}"]
adamc@129 1108 end
adamc@129 1109
adamc@129 1110 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1111 case d of
adamc@29 1112 DStruct (n, xts) =>
adamc@196 1113 let
adamc@196 1114 val env = E.declBinds env dAll
adamc@196 1115 in
adamc@196 1116 box [string "struct",
adamc@196 1117 space,
adamc@311 1118 string ("__uws_" ^ Int.toString n),
adamc@196 1119 space,
adamc@196 1120 string "{",
adamc@196 1121 newline,
adamc@196 1122 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1123 space,
adamc@311 1124 string "__uwf_",
adamc@316 1125 p_ident x,
adamc@196 1126 string ";",
adamc@196 1127 newline]) xts,
adamc@196 1128 string "};"]
adamc@196 1129 end
adamc@188 1130 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1131 box [string "enum",
adamc@188 1132 space,
adamc@316 1133 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1134 space,
adamc@188 1135 string "{",
adamc@188 1136 space,
adamc@316 1137 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1138 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1139 space,
adamc@188 1140 string "};"]
adamc@198 1141 | DDatatype (Option, _, _, _) => box []
adamc@188 1142 | DDatatype (Default, x, n, xncs) =>
adamc@165 1143 let
adamc@165 1144 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1145 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1146 in
adamc@165 1147 box [string "enum",
adamc@165 1148 space,
adamc@316 1149 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1150 space,
adamc@165 1151 string "{",
adamc@165 1152 space,
adamc@316 1153 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1154 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1155 space,
adamc@165 1156 string "};",
adamc@165 1157 newline,
adamc@165 1158 newline,
adamc@165 1159 string "struct",
adamc@165 1160 space,
adamc@316 1161 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1162 space,
adamc@165 1163 string "{",
adamc@165 1164 newline,
adamc@165 1165 string "enum",
adamc@165 1166 space,
adamc@316 1167 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1168 space,
adamc@165 1169 string "tag;",
adamc@165 1170 newline,
adamc@165 1171 box (case xncsArgs of
adamc@165 1172 [] => []
adamc@165 1173 | _ => [string "union",
adamc@165 1174 space,
adamc@165 1175 string "{",
adamc@165 1176 newline,
adamc@165 1177 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1178 space,
adamc@316 1179 string ("uw_" ^ ident x),
adamc@165 1180 string ";"]) xncsArgs,
adamc@165 1181 newline,
adamc@165 1182 string "}",
adamc@165 1183 space,
adamc@165 1184 string "data;",
adamc@165 1185 newline]),
adamc@165 1186 string "};"]
adamc@188 1187 end
adamc@29 1188
adamc@196 1189 | DDatatypeForward _ => box []
adamc@196 1190
adamc@29 1191 | DVal (x, n, t, e) =>
adamc@29 1192 box [p_typ env t,
adamc@29 1193 space,
adamc@316 1194 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1195 space,
adamc@29 1196 string "=",
adamc@29 1197 space,
adamc@29 1198 p_exp env e,
adamc@29 1199 string ";"]
adamc@129 1200 | DFun vi => p_fun env vi
adamc@129 1201 | DFunRec vis =>
adamc@29 1202 let
adamc@129 1203 val env = E.declBinds env dAll
adamc@29 1204 in
adamc@129 1205 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1206 box [string "static",
adamc@129 1207 space,
adamc@129 1208 p_typ env ran,
adamc@129 1209 space,
adamc@316 1210 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1211 string "(uw_context,",
adamc@129 1212 space,
adamc@129 1213 p_list_sep (box [string ",", space])
adamc@129 1214 (fn (_, dom) => p_typ env dom) args,
adamc@129 1215 string ");"]) vis,
adamc@29 1216 newline,
adamc@129 1217 p_list_sep newline (p_fun env) vis,
adamc@129 1218 newline]
adamc@29 1219 end
adamc@273 1220 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1221 string x,
adamc@273 1222 string " */",
adamc@273 1223 newline]
adamc@338 1224 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1225 string x,
adamc@338 1226 string " */",
adamc@338 1227 newline]
adamc@311 1228 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1229 newline,
adamc@311 1230 string "static void uw_db_prepare(uw_context);",
adamc@282 1231 newline,
adamc@275 1232 newline,
adamc@311 1233 string "void uw_db_init(uw_context ctx) {",
adamc@273 1234 newline,
adamc@272 1235 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1236 string (String.toString s),
adamc@272 1237 string "\");",
adamc@272 1238 newline,
adamc@311 1239 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1240 string "\"libpq can't allocate a connection.\");",
adamc@272 1241 newline,
adamc@272 1242 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1243 newline,
adamc@272 1244 box [string "char msg[1024];",
adamc@272 1245 newline,
adamc@272 1246 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1247 newline,
adamc@272 1248 string "msg[1023] = 0;",
adamc@272 1249 newline,
adamc@272 1250 string "PQfinish(conn);",
adamc@272 1251 newline,
adamc@311 1252 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1253 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1254 newline,
adamc@272 1255 string "}",
adamc@272 1256 newline,
adamc@311 1257 string "uw_set_db(ctx, conn);",
adamc@272 1258 newline,
adamc@311 1259 string "uw_db_validate(ctx);",
adamc@275 1260 newline,
adamc@311 1261 string "uw_db_prepare(ctx);",
adamc@282 1262 newline,
adamc@272 1263 string "}",
adamc@272 1264 newline,
adamc@272 1265 newline,
adamc@311 1266 string "void uw_db_close(uw_context ctx) {",
adamc@272 1267 newline,
adamc@311 1268 string "PQfinish(uw_get_db(ctx));",
adamc@272 1269 newline,
adamc@272 1270 string "}",
adamc@272 1271 newline]
adamc@29 1272
adamc@282 1273 | DPreparedStatements ss =>
adamc@311 1274 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1275 newline,
adamc@311 1276 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1277 newline,
adamc@282 1278 string "PGresult *res;",
adamc@282 1279 newline,
adamc@282 1280 newline,
adamc@282 1281
adamc@282 1282 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1283 box [string "res = PQprepare(conn, \"uw",
adamc@282 1284 string (Int.toString i),
adamc@282 1285 string "\", \"",
adamc@282 1286 string (String.toString s),
adamc@282 1287 string "\", ",
adamc@282 1288 string (Int.toString n),
adamc@282 1289 string ", NULL);",
adamc@282 1290 newline,
adamc@282 1291 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1292 newline,
adamc@282 1293 box [string "char msg[1024];",
adamc@282 1294 newline,
adamc@282 1295 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1296 newline,
adamc@282 1297 string "msg[1023] = 0;",
adamc@282 1298 newline,
adamc@282 1299 string "PQclear(res);",
adamc@282 1300 newline,
adamc@282 1301 string "PQfinish(conn);",
adamc@282 1302 newline,
adamc@311 1303 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1304 string (String.toString s),
adamc@282 1305 string "\\n%s\", msg);",
adamc@282 1306 newline],
adamc@282 1307 string "}",
adamc@282 1308 newline,
adamc@282 1309 string "PQclear(res);",
adamc@282 1310 newline])
adamc@282 1311 ss,
adamc@282 1312
adamc@282 1313 string "}"]
adamc@282 1314
adamc@144 1315 datatype 'a search =
adamc@144 1316 Found of 'a
adamc@144 1317 | NotFound
adamc@144 1318 | Error
adamc@120 1319
adamc@275 1320 fun p_sqltype' env (tAll as (t, loc)) =
adamc@275 1321 case t of
adamc@275 1322 TFfi ("Basis", "int") => "int8"
adamc@275 1323 | TFfi ("Basis", "float") => "float8"
adamc@275 1324 | TFfi ("Basis", "string") => "text"
adamc@275 1325 | TFfi ("Basis", "bool") => "bool"
adamc@275 1326 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1327 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1328 "ERROR")
adamc@275 1329
adamc@275 1330 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1331
adamc@101 1332 fun p_file env (ds, ps) =
adamc@29 1333 let
adamc@101 1334 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1335 (p_decl env d,
adamc@31 1336 E.declBinds env d))
adamc@101 1337 env ds
adamc@144 1338
adamc@144 1339 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1340 case ek of
adamc@144 1341 Core.Link => fields
adamc@144 1342 | Core.Action =>
adamc@280 1343 case List.nth (ts, length ts - 2) of
adamc@144 1344 (TRecord i, _) =>
adamc@144 1345 let
adamc@144 1346 val xts = E.lookupStruct env i
adamc@144 1347 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1348 in
adamc@144 1349 foldl (fn ((x, _), fields) =>
adamc@144 1350 let
adamc@144 1351 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1352 in
adamc@144 1353 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1354 xtsSet'))
adamc@144 1355 end) fields xts
adamc@144 1356 end
adamc@144 1357 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1358 SM.empty ps
adamc@144 1359
adamc@144 1360 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1361 let
adamc@144 1362 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1363 case SM.find (fnums, x') of
adamc@144 1364 NONE => unusable
adamc@144 1365 | SOME n => IS.add (unusable, n))
adamc@144 1366 IS.empty xs
adamc@144 1367
adamc@144 1368 fun findAvailable n =
adamc@144 1369 if IS.member (unusable, n) then
adamc@144 1370 findAvailable (n + 1)
adamc@144 1371 else
adamc@144 1372 n
adamc@144 1373 in
adamc@144 1374 SM.insert (fnums, x, findAvailable 0)
adamc@144 1375 end)
adamc@144 1376 SM.empty fields
adamc@144 1377
adamc@144 1378 fun makeSwitch (fnums, i) =
adamc@144 1379 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1380 | (n, Error) => Error
adamc@144 1381 | (n, Found n') => if n = n' then
adamc@144 1382 Found n'
adamc@144 1383 else
adamc@144 1384 Error) NotFound fnums of
adamc@144 1385 NotFound => box [string "return",
adamc@144 1386 space,
adamc@144 1387 string "-1;"]
adamc@144 1388 | Found n => box [string "return",
adamc@144 1389 space,
adamc@144 1390 string (Int.toString n),
adamc@144 1391 string ";"]
adamc@144 1392 | Error =>
adamc@144 1393 let
adamc@144 1394 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1395 let
adamc@144 1396 val ch = if i < size x then
adamc@144 1397 String.sub (x, i)
adamc@144 1398 else
adamc@144 1399 chr 0
adamc@144 1400
adamc@144 1401 val fnums = case CM.find (cmap, ch) of
adamc@144 1402 NONE => SM.empty
adamc@144 1403 | SOME fnums => fnums
adamc@144 1404 val fnums = SM.insert (fnums, x, n)
adamc@144 1405 in
adamc@144 1406 CM.insert (cmap, ch, fnums)
adamc@144 1407 end)
adamc@144 1408 CM.empty fnums
adamc@144 1409
adamc@144 1410 val cmap = CM.listItemsi cmap
adamc@144 1411 in
adamc@144 1412 case cmap of
adamc@144 1413 [(_, fnums)] =>
adamc@144 1414 box [string "if",
adamc@144 1415 space,
adamc@144 1416 string "(name[",
adamc@144 1417 string (Int.toString i),
adamc@144 1418 string "]",
adamc@144 1419 space,
adamc@144 1420 string "==",
adamc@144 1421 space,
adamc@144 1422 string "0)",
adamc@144 1423 space,
adamc@144 1424 string "return",
adamc@144 1425 space,
adamc@144 1426 string "-1;",
adamc@144 1427 newline,
adamc@144 1428 makeSwitch (fnums, i+1)]
adamc@144 1429 | _ =>
adamc@144 1430 box [string "switch",
adamc@144 1431 space,
adamc@144 1432 string "(name[",
adamc@144 1433 string (Int.toString i),
adamc@144 1434 string "])",
adamc@144 1435 space,
adamc@144 1436 string "{",
adamc@144 1437 newline,
adamc@144 1438 box (map (fn (ch, fnums) =>
adamc@144 1439 box [string "case",
adamc@144 1440 space,
adamc@144 1441 if ch = chr 0 then
adamc@144 1442 string "0:"
adamc@144 1443 else
adamc@144 1444 box [string "'",
adamc@144 1445 string (Char.toString ch),
adamc@144 1446 string "':"],
adamc@144 1447 newline,
adamc@144 1448 makeSwitch (fnums, i+1),
adamc@144 1449 newline]) cmap),
adamc@144 1450 string "default:",
adamc@144 1451 newline,
adamc@144 1452 string "return",
adamc@144 1453 space,
adamc@144 1454 string "-1;",
adamc@144 1455 newline,
adamc@144 1456 string "}"]
adamc@144 1457 end
adamc@144 1458
adamc@186 1459 fun capitalize s =
adamc@186 1460 if s = "" then
adamc@186 1461 ""
adamc@186 1462 else
adamc@186 1463 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@186 1464
adamc@144 1465 fun unurlify (t, loc) =
adamc@398 1466 let
adamc@398 1467 fun unurlify' rf t =
adamc@398 1468 case t of
adamc@398 1469 TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@144 1470
adamc@398 1471 | TRecord 0 => string "uw_unit_v"
adamc@398 1472 | TRecord i =>
adamc@398 1473 let
adamc@398 1474 val xts = E.lookupStruct env i
adamc@398 1475 in
adamc@398 1476 box [string "({",
adamc@166 1477 newline,
adamc@398 1478 box (map (fn (x, t) =>
adamc@398 1479 box [p_typ env t,
adamc@398 1480 space,
adamc@398 1481 string "uwr_",
adamc@398 1482 string x,
adamc@398 1483 space,
adamc@398 1484 string "=",
adamc@398 1485 space,
adamc@398 1486 unurlify' rf (#1 t),
adamc@398 1487 string ";",
adamc@398 1488 newline]) xts),
adamc@167 1489 string "struct",
adamc@167 1490 space,
adamc@398 1491 string "__uws_",
adamc@398 1492 string (Int.toString i),
adamc@166 1493 space,
adamc@398 1494 string "tmp",
adamc@166 1495 space,
adamc@166 1496 string "=",
adamc@166 1497 space,
adamc@398 1498 string "{",
adamc@398 1499 space,
adamc@398 1500 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@398 1501 string x]) xts,
adamc@398 1502 space,
adamc@398 1503 string "};",
adamc@166 1504 newline,
adamc@181 1505 string "tmp;",
adamc@166 1506 newline,
adamc@398 1507 string "})"]
adamc@398 1508 end
adamc@166 1509
adamc@398 1510 | TDatatype (Enum, i, _) =>
adamc@398 1511 let
adamc@398 1512 val (x, xncs) = E.lookupDatatype env i
adamc@144 1513
adamc@398 1514 fun doEm xncs =
adamc@398 1515 case xncs of
adamc@398 1516 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), (enum __uwe_"
adamc@398 1517 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@398 1518 | (x', n, to) :: rest =>
adamc@398 1519 box [string "((!strncmp(request, \"",
adamc@398 1520 string x',
adamc@398 1521 string "\", ",
adamc@398 1522 string (Int.toString (size x')),
adamc@398 1523 string ") && (request[",
adamc@398 1524 string (Int.toString (size x')),
adamc@398 1525 string "] == 0 || request[",
adamc@398 1526 string (Int.toString (size x')),
adamc@398 1527 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@398 1528 space,
adamc@398 1529 string ":",
adamc@398 1530 space,
adamc@398 1531 doEm rest,
adamc@398 1532 string ")"]
adamc@398 1533 in
adamc@398 1534 doEm xncs
adamc@398 1535 end
adamc@398 1536
adamc@398 1537 | TDatatype (Option, i, xncs) =>
adamc@398 1538 if IS.member (rf, i) then
adamc@398 1539 box [string "unurlify_",
adamc@398 1540 string (Int.toString i),
adamc@398 1541 string "()"]
adamc@398 1542 else
adamc@398 1543 let
adamc@398 1544 val (x, _) = E.lookupDatatype env i
adamc@398 1545
adamc@398 1546 val (no_arg, has_arg, t) =
adamc@398 1547 case !xncs of
adamc@398 1548 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@398 1549 (no_arg, has_arg, t)
adamc@398 1550 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@398 1551 (no_arg, has_arg, t)
adamc@398 1552 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@398 1553
adamc@398 1554 val rf = IS.add (rf, i)
adamc@398 1555 in
adamc@398 1556 box [string "({",
adamc@398 1557 space,
adamc@398 1558 p_typ env t,
adamc@398 1559 space,
adamc@398 1560 string "*unurlify_",
adamc@398 1561 string (Int.toString i),
adamc@398 1562 string "(void) {",
adamc@398 1563 newline,
adamc@398 1564 box [string "return (request[0] == '/' ? ++request : request,",
adamc@398 1565 newline,
adamc@398 1566 string "((!strncmp(request, \"",
adamc@398 1567 string no_arg,
adamc@398 1568 string "\", ",
adamc@398 1569 string (Int.toString (size no_arg)),
adamc@398 1570 string ") && (request[",
adamc@398 1571 string (Int.toString (size no_arg)),
adamc@398 1572 string "] == 0 || request[",
adamc@398 1573 string (Int.toString (size no_arg)),
adamc@398 1574 string "] == '/')) ? (request",
adamc@398 1575 space,
adamc@398 1576 string "+=",
adamc@398 1577 space,
adamc@398 1578 string (Int.toString (size no_arg)),
adamc@398 1579 string ", NULL) : ((!strncmp(request, \"",
adamc@398 1580 string has_arg,
adamc@398 1581 string "\", ",
adamc@398 1582 string (Int.toString (size has_arg)),
adamc@398 1583 string ") && (request[",
adamc@398 1584 string (Int.toString (size has_arg)),
adamc@398 1585 string "] == 0 || request[",
adamc@398 1586 string (Int.toString (size has_arg)),
adamc@398 1587 string "] == '/')) ? (request",
adamc@398 1588 space,
adamc@398 1589 string "+=",
adamc@398 1590 space,
adamc@398 1591 string (Int.toString (size has_arg)),
adamc@398 1592 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@398 1593 newline,
adamc@398 1594
adamc@398 1595 case #1 t of
adamc@398 1596 TDatatype _ => unurlify' rf (#1 t)
adamc@398 1597 | TFfi ("Basis", "string") => unurlify' rf (#1 t)
adamc@398 1598 | _ => box [string "({",
adamc@398 1599 newline,
adamc@398 1600 p_typ env t,
adamc@398 1601 space,
adamc@398 1602 string "*tmp",
adamc@398 1603 space,
adamc@398 1604 string "=",
adamc@398 1605 space,
adamc@398 1606 string "uw_malloc(ctx, sizeof(",
adamc@398 1607 p_typ env t,
adamc@398 1608 string "));",
adamc@398 1609 newline,
adamc@398 1610 string "*tmp",
adamc@398 1611 space,
adamc@398 1612 string "=",
adamc@398 1613 space,
adamc@398 1614 unurlify' rf (#1 t),
adamc@398 1615 string ";",
adamc@398 1616 newline,
adamc@398 1617 string "tmp;",
adamc@398 1618 newline,
adamc@398 1619 string "})"],
adamc@398 1620 string ")",
adamc@398 1621 newline,
adamc@398 1622 string ":",
adamc@398 1623 space,
adamc@398 1624 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@398 1625 ^ "\"), NULL))));"),
adamc@398 1626 newline],
adamc@398 1627 string "}",
adamc@398 1628 newline,
adamc@398 1629 newline,
adamc@398 1630
adamc@398 1631 string "unurlify_",
adamc@398 1632 string (Int.toString i),
adamc@398 1633 string "();",
adamc@398 1634 newline,
adamc@398 1635 string "})"]
adamc@398 1636 end
adamc@398 1637
adamc@398 1638 | TDatatype (Default, i, _) =>
adamc@398 1639 let
adamc@398 1640 val (x, xncs) = E.lookupDatatype env i
adamc@398 1641
adamc@398 1642 fun doEm xncs =
adamc@398 1643 case xncs of
adamc@398 1644 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)")
adamc@398 1645 | (x', n, to) :: rest =>
adamc@398 1646 box [string "((!strncmp(request, \"",
adamc@398 1647 string x',
adamc@398 1648 string "\", ",
adamc@398 1649 string (Int.toString (size x')),
adamc@398 1650 string ") && (request[",
adamc@398 1651 string (Int.toString (size x')),
adamc@398 1652 string "] == 0 || request[",
adamc@398 1653 string (Int.toString (size x')),
adamc@398 1654 string "] == '/')) ? ({",
adamc@398 1655 newline,
adamc@398 1656 string "struct",
adamc@398 1657 space,
adamc@398 1658 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@398 1659 space,
adamc@398 1660 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@398 1661 string x,
adamc@398 1662 string "_",
adamc@398 1663 string (Int.toString i),
adamc@398 1664 string "));",
adamc@398 1665 newline,
adamc@398 1666 string "tmp->tag",
adamc@398 1667 space,
adamc@398 1668 string "=",
adamc@398 1669 space,
adamc@398 1670 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@398 1671 string ";",
adamc@398 1672 newline,
adamc@398 1673 string "request",
adamc@398 1674 space,
adamc@398 1675 string "+=",
adamc@398 1676 space,
adamc@398 1677 string (Int.toString (size x')),
adamc@398 1678 string ";",
adamc@398 1679 newline,
adamc@398 1680 string "if (request[0] == '/') ++request;",
adamc@398 1681 newline,
adamc@398 1682 case to of
adamc@398 1683 NONE => box []
adamc@398 1684 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@398 1685 p_ident x',
adamc@398 1686 space,
adamc@398 1687 string "=",
adamc@398 1688 space,
adamc@398 1689 unurlify' rf t,
adamc@398 1690 string ";",
adamc@398 1691 newline],
adamc@398 1692 string "tmp;",
adamc@398 1693 newline,
adamc@398 1694 string "})",
adamc@398 1695 space,
adamc@398 1696 string ":",
adamc@398 1697 space,
adamc@398 1698 doEm rest,
adamc@398 1699 string ")"]
adamc@398 1700 in
adamc@398 1701 doEm xncs
adamc@398 1702 end
adamc@398 1703
adamc@398 1704 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@398 1705 space)
adamc@398 1706 in
adamc@398 1707 unurlify' IS.empty t
adamc@398 1708 end
adamc@144 1709
adamc@144 1710 fun p_page (ek, s, n, ts) =
adamc@144 1711 let
adamc@144 1712 val (ts, defInputs, inputsVar) =
adamc@144 1713 case ek of
adamc@314 1714 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1715 | Core.Action =>
adamc@280 1716 case List.nth (ts, length ts - 2) of
adamc@144 1717 (TRecord i, _) =>
adamc@144 1718 let
adamc@144 1719 val xts = E.lookupStruct env i
adamc@144 1720 in
adamc@280 1721 (List.take (ts, length ts - 2),
adamc@144 1722 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1723 space,
adamc@311 1724 string "uw_input_",
adamc@316 1725 p_ident x,
adamc@144 1726 string ";",
adamc@144 1727 newline]) xts),
adamc@144 1728 newline,
adamc@144 1729 box (map (fn (x, t) =>
adamc@144 1730 let
adamc@144 1731 val n = case SM.find (fnums, x) of
adamc@144 1732 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1733 | SOME n => n
adamc@190 1734
adamc@190 1735 val f = case t of
adamc@190 1736 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1737 | _ => ""
adamc@144 1738 in
adamc@311 1739 box [string "request = uw_get_",
adamc@190 1740 string f,
adamc@190 1741 string "input(ctx, ",
adamc@144 1742 string (Int.toString n),
adamc@144 1743 string ");",
adamc@144 1744 newline,
adamc@144 1745 string "if (request == NULL) {",
adamc@144 1746 newline,
adamc@144 1747 box [string "printf(\"Missing input ",
adamc@144 1748 string x,
adamc@144 1749 string "\\n\");",
adamc@144 1750 newline,
adamc@144 1751 string "exit(1);"],
adamc@144 1752 newline,
adamc@144 1753 string "}",
adamc@144 1754 newline,
adamc@311 1755 string "uw_input_",
adamc@316 1756 p_ident x,
adamc@144 1757 space,
adamc@144 1758 string "=",
adamc@144 1759 space,
adamc@144 1760 unurlify t,
adamc@144 1761 string ";",
adamc@144 1762 newline]
adamc@144 1763 end) xts),
adamc@311 1764 string "struct __uws_",
adamc@144 1765 string (Int.toString i),
adamc@144 1766 space,
adamc@311 1767 string "uw_inputs",
adamc@144 1768 space,
adamc@144 1769 string "= {",
adamc@144 1770 newline,
adamc@311 1771 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 1772 p_ident x,
adamc@144 1773 string ",",
adamc@144 1774 newline]) xts),
adamc@144 1775 string "};",
adamc@144 1776 newline],
adamc@144 1777 box [string ",",
adamc@144 1778 space,
adamc@311 1779 string "uw_inputs"])
adamc@144 1780 end
adamc@144 1781
adamc@144 1782 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1783 in
adamc@144 1784 box [string "if (!strncmp(request, \"",
adamc@144 1785 string (String.toString s),
adamc@144 1786 string "\", ",
adamc@144 1787 string (Int.toString (size s)),
adamc@198 1788 string ") && (request[",
adamc@198 1789 string (Int.toString (size s)),
adamc@198 1790 string "] == 0 || request[",
adamc@198 1791 string (Int.toString (size s)),
adamc@198 1792 string "] == '/')) {",
adamc@144 1793 newline,
adamc@144 1794 string "request += ",
adamc@144 1795 string (Int.toString (size s)),
adamc@144 1796 string ";",
adamc@144 1797 newline,
adamc@144 1798 string "if (*request == '/') ++request;",
adamc@144 1799 newline,
adamc@144 1800 box [string "{",
adamc@144 1801 newline,
adamc@144 1802 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 1803 space,
adamc@144 1804 string "arg",
adamc@144 1805 string (Int.toString i),
adamc@144 1806 space,
adamc@144 1807 string "=",
adamc@144 1808 space,
adamc@144 1809 unurlify t,
adamc@144 1810 string ";",
adamc@144 1811 newline]) ts),
adamc@144 1812 defInputs,
adamc@144 1813 p_enamed env n,
adamc@144 1814 string "(",
adamc@144 1815 p_list_sep (box [string ",", space])
adamc@144 1816 (fn x => x)
adamc@272 1817 (string "ctx"
adamc@280 1818 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 1819 inputsVar,
adamc@311 1820 string ", uw_unit_v);",
adamc@144 1821 newline,
adamc@144 1822 string "return;",
adamc@144 1823 newline,
adamc@144 1824 string "}",
adamc@144 1825 newline,
adamc@144 1826 string "}"]
adamc@144 1827 ]
adamc@144 1828 end
adamc@144 1829
adamc@144 1830 val pds' = map p_page ps
adamc@275 1831
adamc@275 1832 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 1833 | _ => NONE) ds
adamc@377 1834 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 1835 | _ => NONE) ds
adamc@275 1836
adamc@275 1837 val validate =
adamc@311 1838 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 1839 newline,
adamc@311 1840 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 1841 newline,
adamc@275 1842 string "PGresult *res;",
adamc@275 1843 newline,
adamc@275 1844 newline,
adamc@275 1845 p_list_sep newline
adamc@275 1846 (fn (s, xts) =>
adamc@275 1847 let
adamc@377 1848 val sl = CharVector.map Char.toLower s
adamc@377 1849
adamc@275 1850 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 1851 ^ sl ^ "'"
adamc@275 1852
adamc@275 1853 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 1854 sl,
adamc@275 1855 "') AND (",
adamc@275 1856 String.concatWith " OR "
adamc@275 1857 (map (fn (x, t) =>
adamc@311 1858 String.concat ["(attname = 'uw_",
adamc@275 1859 CharVector.map
adamc@316 1860 Char.toLower (ident x),
adamc@275 1861 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 1862 " WHERE typname = '",
adamc@275 1863 p_sqltype' env t,
adamc@275 1864 "'))"]) xts),
adamc@275 1865 ")"]
adamc@275 1866
adamc@275 1867 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 1868 sl,
adamc@325 1869 "') AND attname LIKE 'uw_%'"]
adamc@275 1870 in
adamc@275 1871 box [string "res = PQexec(conn, \"",
adamc@275 1872 string q,
adamc@275 1873 string "\");",
adamc@275 1874 newline,
adamc@275 1875 newline,
adamc@275 1876 string "if (res == NULL) {",
adamc@275 1877 newline,
adamc@275 1878 box [string "PQfinish(conn);",
adamc@275 1879 newline,
adamc@311 1880 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1881 newline],
adamc@275 1882 string "}",
adamc@275 1883 newline,
adamc@275 1884 newline,
adamc@275 1885 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1886 newline,
adamc@275 1887 box [string "char msg[1024];",
adamc@275 1888 newline,
adamc@275 1889 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1890 newline,
adamc@275 1891 string "msg[1023] = 0;",
adamc@275 1892 newline,
adamc@275 1893 string "PQclear(res);",
adamc@275 1894 newline,
adamc@275 1895 string "PQfinish(conn);",
adamc@275 1896 newline,
adamc@311 1897 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1898 string q,
adamc@275 1899 string "\\n%s\", msg);",
adamc@275 1900 newline],
adamc@275 1901 string "}",
adamc@275 1902 newline,
adamc@275 1903 newline,
adamc@275 1904 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 1905 newline,
adamc@275 1906 box [string "PQclear(res);",
adamc@275 1907 newline,
adamc@275 1908 string "PQfinish(conn);",
adamc@275 1909 newline,
adamc@311 1910 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1911 string s,
adamc@275 1912 string "' does not exist.\");",
adamc@275 1913 newline],
adamc@275 1914 string "}",
adamc@275 1915 newline,
adamc@275 1916 newline,
adamc@275 1917 string "PQclear(res);",
adamc@275 1918 newline,
adamc@275 1919
adamc@275 1920 string "res = PQexec(conn, \"",
adamc@275 1921 string q',
adamc@275 1922 string "\");",
adamc@275 1923 newline,
adamc@275 1924 newline,
adamc@275 1925 string "if (res == NULL) {",
adamc@275 1926 newline,
adamc@275 1927 box [string "PQfinish(conn);",
adamc@275 1928 newline,
adamc@311 1929 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1930 newline],
adamc@275 1931 string "}",
adamc@275 1932 newline,
adamc@275 1933 newline,
adamc@275 1934 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1935 newline,
adamc@275 1936 box [string "char msg[1024];",
adamc@275 1937 newline,
adamc@275 1938 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1939 newline,
adamc@275 1940 string "msg[1023] = 0;",
adamc@275 1941 newline,
adamc@275 1942 string "PQclear(res);",
adamc@275 1943 newline,
adamc@275 1944 string "PQfinish(conn);",
adamc@275 1945 newline,
adamc@311 1946 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1947 string q',
adamc@275 1948 string "\\n%s\", msg);",
adamc@275 1949 newline],
adamc@275 1950 string "}",
adamc@275 1951 newline,
adamc@275 1952 newline,
adamc@275 1953 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1954 string (Int.toString (length xts)),
adamc@275 1955 string "\")) {",
adamc@275 1956 newline,
adamc@275 1957 box [string "PQclear(res);",
adamc@275 1958 newline,
adamc@275 1959 string "PQfinish(conn);",
adamc@275 1960 newline,
adamc@311 1961 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1962 string s,
adamc@275 1963 string "' has the wrong column types.\");",
adamc@275 1964 newline],
adamc@275 1965 string "}",
adamc@275 1966 newline,
adamc@275 1967 newline,
adamc@275 1968 string "PQclear(res);",
adamc@275 1969 newline,
adamc@275 1970 newline,
adamc@275 1971
adamc@275 1972 string "res = PQexec(conn, \"",
adamc@275 1973 string q'',
adamc@275 1974 string "\");",
adamc@275 1975 newline,
adamc@275 1976 newline,
adamc@275 1977 string "if (res == NULL) {",
adamc@275 1978 newline,
adamc@275 1979 box [string "PQfinish(conn);",
adamc@275 1980 newline,
adamc@311 1981 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1982 newline],
adamc@275 1983 string "}",
adamc@275 1984 newline,
adamc@275 1985 newline,
adamc@275 1986 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1987 newline,
adamc@275 1988 box [string "char msg[1024];",
adamc@275 1989 newline,
adamc@275 1990 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1991 newline,
adamc@275 1992 string "msg[1023] = 0;",
adamc@275 1993 newline,
adamc@275 1994 string "PQclear(res);",
adamc@275 1995 newline,
adamc@275 1996 string "PQfinish(conn);",
adamc@275 1997 newline,
adamc@311 1998 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1999 string q'',
adamc@275 2000 string "\\n%s\", msg);",
adamc@275 2001 newline],
adamc@275 2002 string "}",
adamc@275 2003 newline,
adamc@275 2004 newline,
adamc@275 2005 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2006 string (Int.toString (length xts)),
adamc@275 2007 string "\")) {",
adamc@275 2008 newline,
adamc@275 2009 box [string "PQclear(res);",
adamc@275 2010 newline,
adamc@275 2011 string "PQfinish(conn);",
adamc@275 2012 newline,
adamc@311 2013 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2014 string s,
adamc@275 2015 string "' has extra columns.\");",
adamc@275 2016 newline],
adamc@275 2017 string "}",
adamc@275 2018 newline,
adamc@275 2019 newline,
adamc@275 2020 string "PQclear(res);",
adamc@275 2021 newline]
adamc@275 2022 end) tables,
adamc@377 2023
adamc@377 2024 p_list_sep newline
adamc@377 2025 (fn s =>
adamc@377 2026 let
adamc@377 2027 val sl = CharVector.map Char.toLower s
adamc@377 2028
adamc@377 2029 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2030 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2031 in
adamc@377 2032 box [string "res = PQexec(conn, \"",
adamc@377 2033 string q,
adamc@377 2034 string "\");",
adamc@377 2035 newline,
adamc@377 2036 newline,
adamc@377 2037 string "if (res == NULL) {",
adamc@377 2038 newline,
adamc@377 2039 box [string "PQfinish(conn);",
adamc@377 2040 newline,
adamc@377 2041 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2042 newline],
adamc@377 2043 string "}",
adamc@377 2044 newline,
adamc@377 2045 newline,
adamc@377 2046 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2047 newline,
adamc@377 2048 box [string "char msg[1024];",
adamc@377 2049 newline,
adamc@377 2050 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2051 newline,
adamc@377 2052 string "msg[1023] = 0;",
adamc@377 2053 newline,
adamc@377 2054 string "PQclear(res);",
adamc@377 2055 newline,
adamc@377 2056 string "PQfinish(conn);",
adamc@377 2057 newline,
adamc@377 2058 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2059 string q,
adamc@377 2060 string "\\n%s\", msg);",
adamc@377 2061 newline],
adamc@377 2062 string "}",
adamc@377 2063 newline,
adamc@377 2064 newline,
adamc@377 2065 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2066 newline,
adamc@377 2067 box [string "PQclear(res);",
adamc@377 2068 newline,
adamc@377 2069 string "PQfinish(conn);",
adamc@377 2070 newline,
adamc@377 2071 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2072 string s,
adamc@377 2073 string "' does not exist.\");",
adamc@377 2074 newline],
adamc@377 2075 string "}",
adamc@377 2076 newline,
adamc@377 2077 newline,
adamc@377 2078 string "PQclear(res);",
adamc@377 2079 newline]
adamc@377 2080 end) sequences,
adamc@377 2081
adamc@275 2082 string "}"]
adamc@29 2083 in
adamc@144 2084 box [string "#include <stdio.h>",
adamc@144 2085 newline,
adamc@144 2086 string "#include <stdlib.h>",
adamc@144 2087 newline,
adamc@272 2088 string "#include <string.h>",
adamc@272 2089 newline,
adamc@390 2090 string "#include <math.h>",
adamc@390 2091 newline,
adamc@272 2092 string "#include <postgresql/libpq-fe.h>",
adamc@272 2093 newline,
adamc@144 2094 newline,
adamc@378 2095 string "#include \"",
adamc@378 2096 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2097 file = "urweb.h"}),
adamc@378 2098 string "\"",
adamc@101 2099 newline,
adamc@101 2100 newline,
adamc@101 2101 p_list_sep newline (fn x => x) pds,
adamc@101 2102 newline,
adamc@311 2103 string "int uw_inputs_len = ",
adamc@144 2104 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2105 string ";",
adamc@144 2106 newline,
adamc@144 2107 newline,
adamc@311 2108 string "int uw_input_num(char *name) {",
adamc@144 2109 newline,
adamc@144 2110 makeSwitch (fnums, 0),
adamc@144 2111 string "}",
adamc@144 2112 newline,
adamc@144 2113 newline,
adamc@311 2114 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2115 newline,
adamc@101 2116 p_list_sep newline (fn x => x) pds',
adamc@101 2117 newline,
adamc@387 2118 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2119 newline,
adamc@101 2120 string "}",
adamc@275 2121 newline,
adamc@275 2122 newline,
adamc@275 2123 validate,
adamc@376 2124 newline,
adamc@376 2125 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2126 box []
adamc@376 2127 else
adamc@376 2128 box [newline,
adamc@376 2129 string "void uw_db_init(uw_context ctx) { };",
adamc@376 2130 newline]]
adamc@29 2131 end
adamc@29 2132
adamc@274 2133 fun p_sql env (ds, _) =
adamc@274 2134 let
adamc@274 2135 val (pps, _) = ListUtil.foldlMap
adamc@274 2136 (fn (dAll as (d, _), env) =>
adamc@274 2137 let
adamc@274 2138 val pp = case d of
adamc@274 2139 DTable (s, xts) =>
adamc@274 2140 box [string "CREATE TABLE ",
adamc@274 2141 string s,
adamc@274 2142 string "(",
adamc@274 2143 p_list (fn (x, t) =>
adamc@311 2144 box [string "uw_",
adamc@275 2145 string (CharVector.map Char.toLower x),
adamc@274 2146 space,
adamc@274 2147 p_sqltype env t,
adamc@274 2148 space,
adamc@274 2149 string "NOT",
adamc@274 2150 space,
adamc@274 2151 string "NULL"]) xts,
adamc@274 2152 string ");",
adamc@274 2153 newline,
adamc@274 2154 newline]
adamc@338 2155 | DSequence s =>
adamc@338 2156 box [string "CREATE SEQUENCE ",
adamc@338 2157 string s,
adamc@338 2158 string ";",
adamc@338 2159 newline,
adamc@338 2160 newline]
adamc@274 2161 | _ => box []
adamc@274 2162 in
adamc@274 2163 (pp, E.declBinds env dAll)
adamc@274 2164 end)
adamc@274 2165 env ds
adamc@274 2166 in
adamc@274 2167 box pps
adamc@274 2168 end
adamc@274 2169
adamc@29 2170 end