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annotate src/cjr_print.sml @ 640:63b0bcacd535

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RPC returning a default datatype
author Adam Chlipala <adamc@hcoop.net>
date Sun, 08 Mar 2009 13:28:21 -0400
parents 9da62680adc5
children b98f547a6a45
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@463 65 fun isUnboxable (t : typ) =
adamc@463 66 case #1 t of
adamc@463 67 TDatatype (Default, _, _) => true
adamc@463 68 | TFfi ("Basis", "string") => true
adamc@463 69 | _ => false
adamc@463 70
adamc@29 71 fun p_typ' par env (t, loc) =
adamc@29 72 case t of
adamc@476 73 TFun (t1, t2) => (EM.errorAt loc "Function type remains";
adamc@476 74 string "<FUNCTION>")
adamc@29 75 | TRecord i => box [string "struct",
adamc@29 76 space,
adamc@311 77 string "__uws_",
adamc@29 78 string (Int.toString i)]
adamc@188 79 | TDatatype (Enum, n, _) =>
adamc@188 80 (box [string "enum",
adamc@188 81 space,
adamc@311 82 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 83 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 84 | TDatatype (Option, n, xncs) =>
adamc@198 85 (case ListUtil.search #3 (!xncs) of
adamc@198 86 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 87 | SOME t =>
adamc@198 88 case #1 t of
adamc@198 89 TDatatype _ => p_typ' par env t
adamc@199 90 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 91 | _ => box [p_typ' par env t,
adamc@198 92 string "*"])
adamc@188 93 | TDatatype (Default, n, _) =>
adamc@165 94 (box [string "struct",
adamc@165 95 space,
adamc@311 96 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 97 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 98 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 99 | TOption t =>
adamc@463 100 if isUnboxable t then
adamc@463 101 p_typ' par env t
adamc@463 102 else
adamc@463 103 box [p_typ' par env t,
adamc@463 104 string "*"]
adamc@29 105
adamc@29 106 and p_typ env = p_typ' false env
adamc@29 107
adamc@316 108 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 109 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 110
adamc@109 111 fun p_enamed env n =
adamc@316 112 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 113 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 114
adamc@182 115 fun p_con_named env n =
adamc@316 116 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 117 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 118
adamc@182 119 fun p_pat_preamble env (p, _) =
adamc@182 120 case p of
adamc@182 121 PWild => (box [],
adamc@182 122 env)
adamc@182 123 | PVar (x, t) => (box [p_typ env t,
adamc@182 124 space,
adamc@311 125 string "__uwr_",
adamc@316 126 p_ident x,
adamc@182 127 string "_",
adamc@182 128 string (Int.toString (E.countERels env)),
adamc@182 129 string ";",
adamc@182 130 newline],
adamc@196 131 E.pushERel env x t)
adamc@182 132 | PPrim _ => (box [], env)
adamc@188 133 | PCon (_, _, NONE) => (box [], env)
adamc@188 134 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 135 | PRecord xps =>
adamc@182 136 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 137 let
adamc@182 138 val (pp', env) = p_pat_preamble env p
adamc@182 139 in
adamc@182 140 (box [pp', pp], env)
adamc@182 141 end) (box [], env) xps
adamc@288 142 | PNone _ => (box [], env)
adamc@288 143 | PSome (_, p) => p_pat_preamble env p
adamc@182 144
adamc@182 145 fun p_patCon env pc =
adamc@182 146 case pc of
adamc@182 147 PConVar n => p_con_named env n
adamc@316 148 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 149
adamc@182 150 fun p_pat (env, exit, depth) (p, _) =
adamc@182 151 case p of
adamc@182 152 PWild =>
adamc@182 153 (box [], env)
adamc@182 154 | PVar (x, t) =>
adamc@311 155 (box [string "__uwr_",
adamc@316 156 p_ident x,
adamc@182 157 string "_",
adamc@182 158 string (Int.toString (E.countERels env)),
adamc@182 159 space,
adamc@182 160 string "=",
adamc@182 161 space,
adamc@182 162 string "disc",
adamc@182 163 string (Int.toString depth),
adamc@182 164 string ";"],
adamc@182 165 E.pushERel env x t)
adamc@182 166 | PPrim (Prim.Int n) =>
adamc@182 167 (box [string "if",
adamc@182 168 space,
adamc@182 169 string "(disc",
adamc@182 170 string (Int.toString depth),
adamc@182 171 space,
adamc@182 172 string "!=",
adamc@182 173 space,
adamc@276 174 Prim.p_t_GCC (Prim.Int n),
adamc@182 175 string ")",
adamc@182 176 space,
adamc@182 177 exit],
adamc@182 178 env)
adamc@182 179 | PPrim (Prim.String s) =>
adamc@182 180 (box [string "if",
adamc@182 181 space,
adamc@182 182 string "(strcmp(disc",
adamc@182 183 string (Int.toString depth),
adamc@182 184 string ",",
adamc@182 185 space,
adamc@276 186 Prim.p_t_GCC (Prim.String s),
adamc@182 187 string "))",
adamc@182 188 space,
adamc@182 189 exit],
adamc@182 190 env)
adamc@182 191 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 192
adamc@188 193 | PCon (dk, pc, po) =>
adamc@182 194 let
adamc@182 195 val (p, env) =
adamc@182 196 case po of
adamc@182 197 NONE => (box [], env)
adamc@182 198 | SOME p =>
adamc@182 199 let
adamc@182 200 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 201
adamc@182 202 val (x, to) = case pc of
adamc@182 203 PConVar n =>
adamc@182 204 let
adamc@182 205 val (x, to, _) = E.lookupConstructor env n
adamc@182 206 in
adamc@316 207 ("uw_" ^ ident x, to)
adamc@182 208 end
adamc@188 209 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 210 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 211
adamc@182 212 val t = case to of
adamc@182 213 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 214 | SOME t => t
adamc@182 215 in
adamc@182 216 (box [string "{",
adamc@182 217 newline,
adamc@182 218 p_typ env t,
adamc@182 219 space,
adamc@182 220 string "disc",
adamc@182 221 string (Int.toString (depth + 1)),
adamc@182 222 space,
adamc@182 223 string "=",
adamc@182 224 space,
adamc@198 225 case dk of
adamc@198 226 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 227 | Default => box [string "disc",
adamc@198 228 string (Int.toString depth),
adamc@198 229 string "->data.",
adamc@198 230 string x]
adamc@198 231 | Option =>
adamc@463 232 if isUnboxable t then
adamc@463 233 box [string "disc",
adamc@463 234 string (Int.toString depth)]
adamc@463 235 else
adamc@463 236 box [string "*disc",
adamc@463 237 string (Int.toString depth)],
adamc@182 238 string ";",
adamc@182 239 newline,
adamc@182 240 p,
adamc@182 241 newline,
adamc@182 242 string "}"],
adamc@182 243 env)
adamc@182 244 end
adamc@182 245 in
adamc@182 246 (box [string "if",
adamc@182 247 space,
adamc@182 248 string "(disc",
adamc@182 249 string (Int.toString depth),
adamc@198 250 case (dk, po) of
adamc@198 251 (Enum, _) => box [space,
adamc@198 252 string "!=",
adamc@198 253 space,
adamc@198 254 p_patCon env pc]
adamc@198 255 | (Default, _) => box [string "->tag",
adamc@198 256 space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Option, NONE) => box [space,
adamc@198 261 string "!=",
adamc@198 262 space,
adamc@198 263 string "NULL"]
adamc@198 264 | (Option, SOME _) => box [space,
adamc@198 265 string "==",
adamc@198 266 space,
adamc@198 267 string "NULL"],
adamc@182 268 string ")",
adamc@182 269 space,
adamc@182 270 exit,
adamc@182 271 newline,
adamc@182 272 p],
adamc@182 273 env)
adamc@182 274 end
adamc@182 275
adamc@182 276 | PRecord xps =>
adamc@182 277 let
adamc@182 278 val (xps, env) =
adamc@182 279 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 280 let
adamc@182 281 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 282
adamc@182 283 val p = box [string "{",
adamc@182 284 newline,
adamc@182 285 p_typ env t,
adamc@182 286 space,
adamc@182 287 string "disc",
adamc@182 288 string (Int.toString (depth + 1)),
adamc@182 289 space,
adamc@182 290 string "=",
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString depth),
adamc@311 294 string ".__uwf_",
adamc@316 295 p_ident x,
adamc@182 296 string ";",
adamc@182 297 newline,
adamc@182 298 p,
adamc@182 299 newline,
adamc@182 300 string "}"]
adamc@182 301 in
adamc@182 302 (p, env)
adamc@182 303 end) env xps
adamc@182 304 in
adamc@182 305 (p_list_sep newline (fn x => x) xps,
adamc@182 306 env)
adamc@182 307 end
adamc@182 308
adamc@288 309 | PNone t =>
adamc@288 310 (box [string "if",
adamc@288 311 space,
adamc@288 312 string "(disc",
adamc@288 313 string (Int.toString depth),
adamc@288 314 space,
adamc@288 315 string "!=",
adamc@288 316 space,
adamc@288 317 string "NULL)",
adamc@288 318 space,
adamc@288 319 exit,
adamc@288 320 newline],
adamc@288 321 env)
adamc@288 322
adamc@288 323 | PSome (t, p) =>
adamc@288 324 let
adamc@288 325 val (p, env) =
adamc@288 326 let
adamc@288 327 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 328 in
adamc@288 329 (box [string "{",
adamc@288 330 newline,
adamc@288 331 p_typ env t,
adamc@288 332 space,
adamc@288 333 string "disc",
adamc@288 334 string (Int.toString (depth + 1)),
adamc@288 335 space,
adamc@288 336 string "=",
adamc@288 337 space,
adamc@463 338 if isUnboxable t then
adamc@463 339 box [string "disc",
adamc@463 340 string (Int.toString depth)]
adamc@463 341 else
adamc@463 342 box [string "*disc",
adamc@463 343 string (Int.toString depth)],
adamc@288 344 string ";",
adamc@288 345 newline,
adamc@288 346 p,
adamc@288 347 newline,
adamc@288 348 string "}"],
adamc@288 349 env)
adamc@288 350 end
adamc@288 351 in
adamc@288 352 (box [string "if",
adamc@288 353 space,
adamc@288 354 string "(disc",
adamc@288 355 string (Int.toString depth),
adamc@288 356 space,
adamc@288 357 string "==",
adamc@288 358 space,
adamc@288 359 string "NULL)",
adamc@288 360 space,
adamc@288 361 exit,
adamc@288 362 newline,
adamc@288 363 p],
adamc@288 364 env)
adamc@288 365 end
adamc@288 366
adamc@182 367 local
adamc@182 368 val count = ref 0
adamc@182 369 in
adamc@182 370 fun newGoto () =
adamc@182 371 let
adamc@182 372 val r = !count
adamc@182 373 in
adamc@182 374 count := r + 1;
adamc@182 375 string ("L" ^ Int.toString r)
adamc@182 376 end
adamc@182 377 end
adamc@182 378
adamc@185 379 fun patConInfo env pc =
adamc@185 380 case pc of
adamc@185 381 PConVar n =>
adamc@185 382 let
adamc@185 383 val (x, _, dn) = E.lookupConstructor env n
adamc@185 384 val (dx, _) = E.lookupDatatype env dn
adamc@185 385 in
adamc@316 386 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 387 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 388 "uw_" ^ ident x)
adamc@185 389 end
adamc@186 390 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 391 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 392 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 393 "uw_" ^ ident con)
adamc@185 394
adamc@324 395 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 396 case t of
adamc@311 397 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 398 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 399 | TFfi ("Basis", "string") =>
adamc@324 400 if wontLeakStrings then
adamc@324 401 e
adamc@324 402 else
adamc@324 403 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 404 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@438 405 | TFfi ("Basis", "time") => box [string "uw_Basis_stringToTime_error(ctx, ", e, string ")"]
adamc@467 406
adamc@278 407 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 408 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 409 string "ERROR")
adamc@278 410
adamc@467 411 fun p_getcol wontLeakStrings env (tAll as (t, loc)) i =
adamc@467 412 case t of
adamc@467 413 TOption t =>
adamc@467 414 box [string "(PQgetisnull (res, i, ",
adamc@467 415 string (Int.toString i),
adamc@467 416 string ") ? NULL : ",
adamc@467 417 case t of
adamc@467 418 (TFfi ("Basis", "string"), _) => p_getcol wontLeakStrings env t i
adamc@467 419 | _ => box [string "({",
adamc@467 420 newline,
adamc@467 421 p_typ env t,
adamc@467 422 space,
adamc@467 423 string "*tmp = uw_malloc(ctx, sizeof(",
adamc@467 424 p_typ env t,
adamc@467 425 string "));",
adamc@467 426 newline,
adamc@467 427 string "*tmp = ",
adamc@467 428 p_getcol wontLeakStrings env t i,
adamc@467 429 string ";",
adamc@467 430 newline,
adamc@467 431 string "tmp;",
adamc@467 432 newline,
adamc@467 433 string "})"],
adamc@467 434 string ")"]
adamc@467 435
adamc@467 436 | _ =>
adamc@467 437 p_unsql wontLeakStrings env tAll
adamc@467 438 (box [string "PQgetvalue(res, i, ",
adamc@467 439 string (Int.toString i),
adamc@467 440 string ")"])
adamc@467 441
adamc@282 442 datatype sql_type =
adamc@282 443 Int
adamc@282 444 | Float
adamc@282 445 | String
adamc@282 446 | Bool
adamc@439 447 | Time
adamc@467 448 | Nullable of sql_type
adamc@282 449
adamc@467 450 fun p_sql_type' t =
adamc@467 451 case t of
adamc@467 452 Int => "uw_Basis_int"
adamc@467 453 | Float => "uw_Basis_float"
adamc@467 454 | String => "uw_Basis_string"
adamc@467 455 | Bool => "uw_Basis_bool"
adamc@467 456 | Time => "uw_Basis_time"
adamc@467 457 | Nullable String => "uw_Basis_string"
adamc@467 458 | Nullable t => p_sql_type' t ^ "*"
adamc@467 459
adamc@467 460 fun p_sql_type t = string (p_sql_type' t)
adamc@282 461
adamc@282 462 fun getPargs (e, _) =
adamc@282 463 case e of
adamc@282 464 EPrim (Prim.String _) => []
adamc@282 465 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 466
adamc@282 467 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 468 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 469 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 470 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@439 471 | EFfiApp ("Basis", "sqlifyTime", [e]) => [(e, Time)]
adamc@468 472
adamc@468 473 | EFfiApp ("Basis", "sqlifyIntN", [e]) => [(e, Nullable Int)]
adamc@468 474 | EFfiApp ("Basis", "sqlifyFloatN", [e]) => [(e, Nullable Float)]
adamc@468 475 | EFfiApp ("Basis", "sqlifyStringN", [e]) => [(e, Nullable String)]
adamc@468 476 | EFfiApp ("Basis", "sqlifyBoolN", [e]) => [(e, Nullable Bool)]
adamc@468 477 | EFfiApp ("Basis", "sqlifyTimeN", [e]) => [(e, Nullable Time)]
adamc@468 478
adamc@491 479 | ECase (e,
adamc@491 480 [((PCon (_, PConFfi {mod = "Basis", con = "True", ...}, _), _),
adamc@491 481 (EPrim (Prim.String "TRUE"), _)),
adamc@491 482 ((PCon (_, PConFfi {mod = "Basis", con = "False", ...}, _), _),
adamc@491 483 (EPrim (Prim.String "FALSE"), _))],
adamc@491 484 _) => [(e, Bool)]
adamc@282 485
adamc@282 486 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 487
adamc@282 488 fun p_ensql t e =
adamc@282 489 case t of
adamc@311 490 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 491 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 492 | String => e
adamc@295 493 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@439 494 | Time => box [string "uw_Basis_sqlifyTime(ctx, ", e, string ")"]
adamc@467 495 | Nullable String => e
adamc@467 496 | Nullable t => box [string "(",
adamc@467 497 e,
adamc@467 498 string " == NULL ? NULL : ",
adamc@467 499 p_ensql t (box [string "*", e]),
adamc@467 500 string ")"]
adamc@282 501
adamc@324 502 fun notLeaky env allowHeapAllocated =
adamc@324 503 let
adamc@638 504 fun nl ok (t, _) =
adamc@324 505 case t of
adamc@324 506 TFun _ => false
adamc@324 507 | TRecord n =>
adamc@324 508 let
adamc@324 509 val xts = E.lookupStruct env n
adamc@324 510 in
adamc@638 511 List.all (fn (_, t) => nl ok t) xts
adamc@324 512 end
adamc@638 513 | TDatatype (dk, n, ref cons) =>
adamc@638 514 IS.member (ok, n)
adamc@638 515 orelse
adamc@638 516 ((allowHeapAllocated orelse dk = Enum)
adamc@638 517 andalso
adamc@638 518 let
adamc@638 519 val ok' = IS.add (ok, n)
adamc@638 520 in
adamc@638 521 List.all (fn (_, _, to) => case to of
adamc@638 522 NONE => true
adamc@638 523 | SOME t => nl ok' t) cons
adamc@638 524 end)
adamc@324 525 | TFfi ("Basis", "string") => false
adamc@324 526 | TFfi _ => true
adamc@638 527 | TOption t => allowHeapAllocated andalso nl ok t
adamc@324 528 in
adamc@638 529 nl IS.empty
adamc@324 530 end
adamc@324 531
adamc@463 532 fun capitalize s =
adamc@463 533 if s = "" then
adamc@463 534 ""
adamc@463 535 else
adamc@463 536 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@463 537
adamc@463 538 fun unurlify env (t, loc) =
adamc@463 539 let
adamc@463 540 fun unurlify' rf t =
adamc@463 541 case t of
adamc@463 542 TFfi ("Basis", "unit") => string ("uw_unit_v")
adamc@463 543 | TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@463 544
adamc@463 545 | TRecord 0 => string "uw_unit_v"
adamc@463 546 | TRecord i =>
adamc@463 547 let
adamc@463 548 val xts = E.lookupStruct env i
adamc@463 549 in
adamc@463 550 box [string "({",
adamc@463 551 newline,
adamc@463 552 box (map (fn (x, t) =>
adamc@463 553 box [p_typ env t,
adamc@463 554 space,
adamc@463 555 string "uwr_",
adamc@463 556 string x,
adamc@463 557 space,
adamc@463 558 string "=",
adamc@463 559 space,
adamc@463 560 unurlify' rf (#1 t),
adamc@463 561 string ";",
adamc@463 562 newline]) xts),
adamc@463 563 string "struct",
adamc@463 564 space,
adamc@463 565 string "__uws_",
adamc@463 566 string (Int.toString i),
adamc@463 567 space,
adamc@463 568 string "tmp",
adamc@463 569 space,
adamc@463 570 string "=",
adamc@463 571 space,
adamc@463 572 string "{",
adamc@463 573 space,
adamc@463 574 p_list_sep (box [string ",", space]) (fn (x, _) => box [string "uwr_",
adamc@463 575 string x]) xts,
adamc@463 576 space,
adamc@463 577 string "};",
adamc@463 578 newline,
adamc@463 579 string "tmp;",
adamc@463 580 newline,
adamc@463 581 string "})"]
adamc@463 582 end
adamc@463 583
adamc@463 584 | TDatatype (Enum, i, _) =>
adamc@463 585 let
adamc@463 586 val (x, xncs) = E.lookupDatatype env i
adamc@463 587
adamc@463 588 fun doEm xncs =
adamc@463 589 case xncs of
adamc@463 590 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 591 ^ x ^ "\"), (enum __uwe_"
adamc@463 592 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@463 593 | (x', n, to) :: rest =>
adamc@463 594 box [string "((!strncmp(request, \"",
adamc@463 595 string x',
adamc@463 596 string "\", ",
adamc@463 597 string (Int.toString (size x')),
adamc@463 598 string ") && (request[",
adamc@463 599 string (Int.toString (size x')),
adamc@463 600 string "] == 0 || request[",
adamc@463 601 string (Int.toString (size x')),
adamc@463 602 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 603 space,
adamc@463 604 string ":",
adamc@463 605 space,
adamc@463 606 doEm rest,
adamc@463 607 string ")"]
adamc@463 608 in
adamc@463 609 doEm xncs
adamc@463 610 end
adamc@463 611
adamc@463 612 | TDatatype (Option, i, xncs) =>
adamc@463 613 if IS.member (rf, i) then
adamc@463 614 box [string "unurlify_",
adamc@463 615 string (Int.toString i),
adamc@463 616 string "()"]
adamc@463 617 else
adamc@463 618 let
adamc@463 619 val (x, _) = E.lookupDatatype env i
adamc@463 620
adamc@463 621 val (no_arg, has_arg, t) =
adamc@463 622 case !xncs of
adamc@463 623 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@463 624 (no_arg, has_arg, t)
adamc@463 625 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@463 626 (no_arg, has_arg, t)
adamc@463 627 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@463 628
adamc@463 629 val rf = IS.add (rf, i)
adamc@463 630 in
adamc@463 631 box [string "({",
adamc@463 632 space,
adamc@463 633 p_typ env t,
adamc@463 634 space,
adamc@463 635 string "*unurlify_",
adamc@463 636 string (Int.toString i),
adamc@463 637 string "(void) {",
adamc@463 638 newline,
adamc@463 639 box [string "return (request[0] == '/' ? ++request : request,",
adamc@463 640 newline,
adamc@463 641 string "((!strncmp(request, \"",
adamc@463 642 string no_arg,
adamc@463 643 string "\", ",
adamc@463 644 string (Int.toString (size no_arg)),
adamc@463 645 string ") && (request[",
adamc@463 646 string (Int.toString (size no_arg)),
adamc@463 647 string "] == 0 || request[",
adamc@463 648 string (Int.toString (size no_arg)),
adamc@463 649 string "] == '/')) ? (request",
adamc@463 650 space,
adamc@463 651 string "+=",
adamc@463 652 space,
adamc@463 653 string (Int.toString (size no_arg)),
adamc@463 654 string ", NULL) : ((!strncmp(request, \"",
adamc@463 655 string has_arg,
adamc@463 656 string "\", ",
adamc@463 657 string (Int.toString (size has_arg)),
adamc@463 658 string ") && (request[",
adamc@463 659 string (Int.toString (size has_arg)),
adamc@463 660 string "] == 0 || request[",
adamc@463 661 string (Int.toString (size has_arg)),
adamc@463 662 string "] == '/')) ? (request",
adamc@463 663 space,
adamc@463 664 string "+=",
adamc@463 665 space,
adamc@463 666 string (Int.toString (size has_arg)),
adamc@463 667 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@463 668 newline,
adamc@463 669
adamc@463 670 if isUnboxable t then
adamc@463 671 unurlify' rf (#1 t)
adamc@463 672 else
adamc@463 673 box [string "({",
adamc@463 674 newline,
adamc@463 675 p_typ env t,
adamc@463 676 space,
adamc@463 677 string "*tmp",
adamc@463 678 space,
adamc@463 679 string "=",
adamc@463 680 space,
adamc@463 681 string "uw_malloc(ctx, sizeof(",
adamc@463 682 p_typ env t,
adamc@463 683 string "));",
adamc@463 684 newline,
adamc@463 685 string "*tmp",
adamc@463 686 space,
adamc@463 687 string "=",
adamc@463 688 space,
adamc@463 689 unurlify' rf (#1 t),
adamc@463 690 string ";",
adamc@463 691 newline,
adamc@463 692 string "tmp;",
adamc@463 693 newline,
adamc@463 694 string "})"],
adamc@463 695 string ")",
adamc@463 696 newline,
adamc@463 697 string ":",
adamc@463 698 space,
adamc@463 699 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x
adamc@463 700 ^ "\"), NULL))));"),
adamc@463 701 newline],
adamc@463 702 string "}",
adamc@463 703 newline,
adamc@463 704 newline,
adamc@463 705
adamc@463 706 string "unurlify_",
adamc@463 707 string (Int.toString i),
adamc@463 708 string "();",
adamc@463 709 newline,
adamc@463 710 string "})"]
adamc@463 711 end
adamc@463 712
adamc@463 713 | TDatatype (Default, i, _) =>
adamc@463 714 if IS.member (rf, i) then
adamc@463 715 box [string "unurlify_",
adamc@463 716 string (Int.toString i),
adamc@463 717 string "()"]
adamc@463 718 else
adamc@463 719 let
adamc@463 720 val (x, xncs) = E.lookupDatatype env i
adamc@463 721
adamc@463 722 val rf = IS.add (rf, i)
adamc@463 723
adamc@463 724 fun doEm xncs =
adamc@463 725 case xncs of
adamc@463 726 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@463 727 ^ x ^ "\"), NULL)")
adamc@463 728 | (x', n, to) :: rest =>
adamc@463 729 box [string "((!strncmp(request, \"",
adamc@463 730 string x',
adamc@463 731 string "\", ",
adamc@463 732 string (Int.toString (size x')),
adamc@463 733 string ") && (request[",
adamc@463 734 string (Int.toString (size x')),
adamc@463 735 string "] == 0 || request[",
adamc@463 736 string (Int.toString (size x')),
adamc@463 737 string "] == '/')) ? ({",
adamc@463 738 newline,
adamc@463 739 string "struct",
adamc@463 740 space,
adamc@463 741 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@463 742 space,
adamc@463 743 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@463 744 string x,
adamc@463 745 string "_",
adamc@463 746 string (Int.toString i),
adamc@463 747 string "));",
adamc@463 748 newline,
adamc@463 749 string "tmp->tag",
adamc@463 750 space,
adamc@463 751 string "=",
adamc@463 752 space,
adamc@463 753 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@463 754 string ";",
adamc@463 755 newline,
adamc@463 756 string "request",
adamc@463 757 space,
adamc@463 758 string "+=",
adamc@463 759 space,
adamc@463 760 string (Int.toString (size x')),
adamc@463 761 string ";",
adamc@463 762 newline,
adamc@463 763 string "if (request[0] == '/') ++request;",
adamc@463 764 newline,
adamc@463 765 case to of
adamc@463 766 NONE => box []
adamc@463 767 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@463 768 p_ident x',
adamc@463 769 space,
adamc@463 770 string "=",
adamc@463 771 space,
adamc@463 772 unurlify' rf t,
adamc@463 773 string ";",
adamc@463 774 newline],
adamc@463 775 string "tmp;",
adamc@463 776 newline,
adamc@463 777 string "})",
adamc@463 778 space,
adamc@463 779 string ":",
adamc@463 780 space,
adamc@463 781 doEm rest,
adamc@463 782 string ")"]
adamc@463 783 in
adamc@463 784 box [string "({",
adamc@463 785 space,
adamc@463 786 p_typ env (t, ErrorMsg.dummySpan),
adamc@463 787 space,
adamc@463 788 string "unurlify_",
adamc@463 789 string (Int.toString i),
adamc@463 790 string "(void) {",
adamc@463 791 newline,
adamc@463 792 box [string "return",
adamc@463 793 space,
adamc@463 794 doEm xncs,
adamc@463 795 string ";",
adamc@463 796 newline],
adamc@463 797 string "}",
adamc@463 798 newline,
adamc@463 799 newline,
adamc@463 800
adamc@463 801 string "unurlify_",
adamc@463 802 string (Int.toString i),
adamc@463 803 string "();",
adamc@463 804 newline,
adamc@463 805 string "})"]
adamc@463 806 end
adamc@463 807
adamc@471 808 | TOption t =>
adamc@471 809 box [string "(request[0] == '/' ? ++request : request, ",
adamc@471 810 string "((!strncmp(request, \"None\", 4) ",
adamc@471 811 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@471 812 string "? (request += 4, NULL) ",
adamc@471 813 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@471 814 string "&& request[4] == '/') ",
adamc@471 815 string "? (request += 5, ",
adamc@471 816 if isUnboxable t then
adamc@471 817 unurlify' rf (#1 t)
adamc@471 818 else
adamc@471 819 box [string "({",
adamc@471 820 newline,
adamc@471 821 p_typ env t,
adamc@471 822 space,
adamc@471 823 string "*tmp",
adamc@471 824 space,
adamc@471 825 string "=",
adamc@471 826 space,
adamc@471 827 string "uw_malloc(ctx, sizeof(",
adamc@471 828 p_typ env t,
adamc@471 829 string "));",
adamc@471 830 newline,
adamc@471 831 string "*tmp",
adamc@471 832 space,
adamc@471 833 string "=",
adamc@471 834 space,
adamc@471 835 unurlify' rf (#1 t),
adamc@471 836 string ";",
adamc@471 837 newline,
adamc@471 838 string "tmp;",
adamc@471 839 newline,
adamc@471 840 string "})"],
adamc@471 841 string ") :",
adamc@471 842 space,
adamc@471 843 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]
adamc@471 844
adamc@463 845 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@463 846 space)
adamc@463 847 in
adamc@463 848 unurlify' IS.empty t
adamc@463 849 end
adamc@463 850
adamc@610 851 fun urlify env t =
adamc@610 852 let
adamc@610 853 fun urlify' rf level (t as (_, loc)) =
adamc@610 854 case #1 t of
adamc@610 855 TFfi ("Basis", "unit") => box []
adamc@610 856 | TFfi (m, t) => box [string ("uw_" ^ ident m ^ "_urlify" ^ capitalize t
adamc@610 857 ^ "_w(ctx, it" ^ Int.toString level ^ ");"),
adamc@610 858 newline]
adamc@610 859
adamc@610 860 | TRecord 0 => box []
adamc@610 861 | TRecord i =>
adamc@610 862 let
adamc@611 863 fun empty (t, _) =
adamc@611 864 case t of
adamc@611 865 TFfi ("Basis", "unit") => true
adamc@611 866 | TRecord 0 => true
adamc@611 867 | TRecord j =>
adamc@611 868 List.all (fn (_, t) => empty t) (E.lookupStruct env j)
adamc@611 869 | _ => false
adamc@611 870
adamc@610 871 val xts = E.lookupStruct env i
adamc@611 872
adamc@613 873 val (blocks, _) = foldl
adamc@613 874 (fn ((x, t), (blocks, printingSinceLastSlash)) =>
adamc@613 875 let
adamc@613 876 val thisEmpty = empty t
adamc@613 877 in
adamc@613 878 if thisEmpty then
adamc@613 879 (blocks, printingSinceLastSlash)
adamc@613 880 else
adamc@613 881 (box [string "{",
adamc@613 882 newline,
adamc@613 883 p_typ env t,
adamc@613 884 space,
adamc@613 885 string ("it" ^ Int.toString (level + 1)),
adamc@613 886 space,
adamc@613 887 string "=",
adamc@613 888 space,
adamc@613 889 string ("it" ^ Int.toString level ^ ".__uwf_" ^ x ^ ";"),
adamc@613 890 newline,
adamc@613 891 box (if printingSinceLastSlash then
adamc@613 892 [string "uw_write(ctx, \"/\");",
adamc@613 893 newline]
adamc@613 894 else
adamc@613 895 []),
adamc@613 896 urlify' rf (level + 1) t,
adamc@613 897 string "}",
adamc@613 898 newline] :: blocks,
adamc@613 899 true)
adamc@613 900 end)
adamc@613 901 ([], false) xts
adamc@610 902 in
adamc@613 903 box (rev blocks)
adamc@610 904 end
adamc@610 905
adamc@638 906 | TDatatype (Enum, i, _) =>
adamc@638 907 let
adamc@610 908 val (x, xncs) = E.lookupDatatype env i
adamc@610 909
adamc@610 910 fun doEm xncs =
adamc@610 911 case xncs of
adamc@638 912 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@638 913 ^ x ^ "\");"),
adamc@638 914 newline]
adamc@610 915 | (x', n, to) :: rest =>
adamc@638 916 box [string ("if (it" ^ Int.toString level
adamc@638 917 ^ "==__uwc_" ^ ident x' ^ "_" ^ Int.toString n ^ ") {"),
adamc@638 918 newline,
adamc@638 919 box [string ("uw_write(ctx, \"" ^ x' ^ "\");"),
adamc@638 920 newline],
adamc@638 921 string "} else {",
adamc@638 922 newline,
adamc@638 923 box [doEm rest,
adamc@638 924 newline],
adamc@638 925 string "}"]
adamc@610 926 in
adamc@610 927 doEm xncs
adamc@638 928 end
adamc@610 929
adamc@639 930 | TDatatype (Option, i, xncs) =>
adamc@639 931 if IS.member (rf, i) then
adamc@639 932 box [string "urlify_",
adamc@610 933 string (Int.toString i),
adamc@639 934 string "(it",
adamc@639 935 string (Int.toString level),
adamc@639 936 string ");",
adamc@639 937 newline]
adamc@610 938 else
adamc@610 939 let
adamc@610 940 val (x, _) = E.lookupDatatype env i
adamc@610 941
adamc@610 942 val (no_arg, has_arg, t) =
adamc@610 943 case !xncs of
adamc@610 944 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@610 945 (no_arg, has_arg, t)
adamc@610 946 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@610 947 (no_arg, has_arg, t)
adamc@639 948 | _ => raise Fail "CjrPrint: urlify misclassified Option datatype"
adamc@610 949
adamc@610 950 val rf = IS.add (rf, i)
adamc@610 951 in
adamc@610 952 box [string "({",
adamc@610 953 space,
adamc@639 954 string "void",
adamc@639 955 space,
adamc@639 956 string "urlify_",
adamc@639 957 string (Int.toString i),
adamc@639 958 string "(",
adamc@610 959 p_typ env t,
adamc@610 960 space,
adamc@639 961 if isUnboxable t then
adamc@639 962 box []
adamc@639 963 else
adamc@639 964 string "*",
adamc@639 965 string "it0) {",
adamc@610 966 newline,
adamc@639 967 box [string "if (it0) {",
adamc@639 968 if isUnboxable t then
adamc@639 969 urlify' rf 0 t
adamc@610 970 else
adamc@639 971 box [p_typ env t,
adamc@610 972 space,
adamc@639 973 string "it1",
adamc@610 974 space,
adamc@610 975 string "=",
adamc@610 976 space,
adamc@639 977 string "*it0;",
adamc@610 978 newline,
adamc@639 979 string "uw_write(ctx, \"",
adamc@639 980 string has_arg,
adamc@639 981 string "/\");",
adamc@639 982 newline,
adamc@639 983 urlify' rf 1 t,
adamc@610 984 string ";",
adamc@639 985 newline],
adamc@639 986 string "} else {",
adamc@639 987 box [string "uw_write(ctx, \"",
adamc@639 988 string no_arg,
adamc@639 989 string "\");",
adamc@639 990 newline],
adamc@639 991 string "}",
adamc@610 992 newline],
adamc@610 993 string "}",
adamc@610 994 newline,
adamc@610 995 newline,
adamc@610 996
adamc@639 997 string "urlify_",
adamc@610 998 string (Int.toString i),
adamc@639 999 string "(it",
adamc@639 1000 string (Int.toString level),
adamc@639 1001 string ");",
adamc@610 1002 newline,
adamc@639 1003 string "});",
adamc@639 1004 newline]
adamc@639 1005 end
adamc@610 1006
adamc@640 1007 | TDatatype (Default, i, _) =>
adamc@640 1008 if IS.member (rf, i) then
adamc@640 1009 box [string "urlify_",
adamc@610 1010 string (Int.toString i),
adamc@640 1011 string "(it",
adamc@640 1012 string (Int.toString level),
adamc@640 1013 string ");",
adamc@640 1014 newline]
adamc@610 1015 else
adamc@610 1016 let
adamc@610 1017 val (x, xncs) = E.lookupDatatype env i
adamc@610 1018
adamc@610 1019 val rf = IS.add (rf, i)
adamc@610 1020
adamc@610 1021 fun doEm xncs =
adamc@610 1022 case xncs of
adamc@640 1023 [] => box [string ("uw_error(ctx, FATAL, \"Error urlifying datatype "
adamc@640 1024 ^ x ^ " (%d)\", it0->data);"),
adamc@640 1025 newline]
adamc@610 1026 | (x', n, to) :: rest =>
adamc@640 1027 box [string "if",
adamc@610 1028 space,
adamc@640 1029 string "(it0->tag==__uwc_",
adamc@640 1030 string (ident x'),
adamc@610 1031 string "_",
adamc@640 1032 string (Int.toString n),
adamc@640 1033 string ") {",
adamc@610 1034 newline,
adamc@610 1035 case to of
adamc@640 1036 NONE => box [string "uw_write(ctx, \"",
adamc@640 1037 string x',
adamc@640 1038 string "\");",
adamc@640 1039 newline]
adamc@640 1040 | SOME t => box [string "uw_write(ctx, \"",
adamc@640 1041 string x',
adamc@640 1042 string "/\");",
adamc@640 1043 newline,
adamc@640 1044 p_typ env t,
adamc@640 1045 space,
adamc@640 1046 string "it1",
adamc@640 1047 space,
adamc@640 1048 string "=",
adamc@640 1049 space,
adamc@640 1050 string "it0->data.uw_",
adamc@640 1051 string x',
adamc@640 1052 string ";",
adamc@640 1053 newline,
adamc@640 1054 urlify' rf 1 t,
adamc@640 1055 newline],
adamc@640 1056 string "} else {",
adamc@610 1057 newline,
adamc@640 1058 box [doEm rest,
adamc@640 1059 newline],
adamc@640 1060 string "}",
adamc@640 1061 newline]
adamc@610 1062 in
adamc@610 1063 box [string "({",
adamc@610 1064 space,
adamc@640 1065 string "void",
adamc@610 1066 space,
adamc@640 1067 string "urlify_",
adamc@610 1068 string (Int.toString i),
adamc@640 1069 string "(",
adamc@640 1070 p_typ env t,
adamc@640 1071 space,
adamc@640 1072 string "it0) {",
adamc@610 1073 newline,
adamc@640 1074 box [doEm xncs,
adamc@610 1075 newline],
adamc@640 1076 newline,
adamc@610 1077 string "}",
adamc@610 1078 newline,
adamc@640 1079
adamc@640 1080 string "urlify_",
adamc@640 1081 string (Int.toString i),
adamc@640 1082 string "(it",
adamc@640 1083 string (Int.toString level),
adamc@640 1084 string ");",
adamc@610 1085 newline,
adamc@640 1086 string "});",
adamc@640 1087 newline]
adamc@640 1088 end
adamc@610 1089
adamc@610 1090 | TOption t => box []
adamc@610 1091 (*box [string "(request[0] == '/' ? ++request : request, ",
adamc@610 1092 string "((!strncmp(request, \"None\", 4) ",
adamc@610 1093 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@610 1094 string "? (request += 4, NULL) ",
adamc@610 1095 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@610 1096 string "&& request[4] == '/') ",
adamc@610 1097 string "? (request += 5, ",
adamc@610 1098 if isUnboxable t then
adamc@610 1099 unurlify' rf (#1 t)
adamc@610 1100 else
adamc@610 1101 box [string "({",
adamc@610 1102 newline,
adamc@610 1103 p_typ env t,
adamc@610 1104 space,
adamc@610 1105 string "*tmp",
adamc@610 1106 space,
adamc@610 1107 string "=",
adamc@610 1108 space,
adamc@610 1109 string "uw_malloc(ctx, sizeof(",
adamc@610 1110 p_typ env t,
adamc@610 1111 string "));",
adamc@610 1112 newline,
adamc@610 1113 string "*tmp",
adamc@610 1114 space,
adamc@610 1115 string "=",
adamc@610 1116 space,
adamc@610 1117 unurlify' rf (#1 t),
adamc@610 1118 string ";",
adamc@610 1119 newline,
adamc@610 1120 string "tmp;",
adamc@610 1121 newline,
adamc@610 1122 string "})"],
adamc@610 1123 string ") :",
adamc@610 1124 space,
adamc@610 1125 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]*)
adamc@610 1126
adamc@610 1127 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1128 space)
adamc@610 1129 in
adamc@610 1130 urlify' IS.empty 0 t
adamc@610 1131 end
adamc@610 1132
adamc@182 1133 fun p_exp' par env (e, loc) =
adamc@29 1134 case e of
adamc@276 1135 EPrim p => Prim.p_t_GCC p
adamc@29 1136 | ERel n => p_rel env n
adamc@109 1137 | ENamed n => p_enamed env n
adamc@188 1138 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1139 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1140 | ECon (Option, pc, SOME e) =>
adamc@198 1141 let
adamc@198 1142 val to = case pc of
adamc@198 1143 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1144 | PConFfi {arg, ...} => arg
adamc@198 1145
adamc@198 1146 val t = case to of
adamc@198 1147 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1148 | SOME t => t
adamc@198 1149 in
adamc@463 1150 if isUnboxable t then
adamc@463 1151 p_exp' par env e
adamc@463 1152 else
adamc@463 1153 box [string "({",
adamc@463 1154 newline,
adamc@463 1155 p_typ env t,
adamc@463 1156 space,
adamc@463 1157 string "*tmp",
adamc@463 1158 space,
adamc@463 1159 string "=",
adamc@463 1160 space,
adamc@463 1161 string "uw_malloc(ctx, sizeof(",
adamc@463 1162 p_typ env t,
adamc@463 1163 string "));",
adamc@463 1164 newline,
adamc@463 1165 string "*tmp",
adamc@463 1166 space,
adamc@463 1167 string "=",
adamc@463 1168 p_exp' par env e,
adamc@463 1169 string ";",
adamc@463 1170 newline,
adamc@463 1171 string "tmp;",
adamc@463 1172 newline,
adamc@463 1173 string "})"]
adamc@198 1174 end
adamc@188 1175 | ECon (Default, pc, eo) =>
adamc@181 1176 let
adamc@196 1177 val (xd, xc, xn) = patConInfo env pc
adamc@181 1178 in
adamc@182 1179 box [string "({",
adamc@181 1180 newline,
adamc@181 1181 string "struct",
adamc@181 1182 space,
adamc@185 1183 string xd,
adamc@181 1184 space,
adamc@181 1185 string "*tmp",
adamc@181 1186 space,
adamc@181 1187 string "=",
adamc@181 1188 space,
adamc@311 1189 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1190 string xd,
adamc@181 1191 string "));",
adamc@181 1192 newline,
adamc@181 1193 string "tmp->tag",
adamc@181 1194 space,
adamc@181 1195 string "=",
adamc@181 1196 space,
adamc@185 1197 string xc,
adamc@181 1198 string ";",
adamc@181 1199 newline,
adamc@181 1200 case eo of
adamc@181 1201 NONE => box []
adamc@185 1202 | SOME e => box [string "tmp->data.",
adamc@196 1203 string xn,
adamc@181 1204 space,
adamc@181 1205 string "=",
adamc@181 1206 space,
adamc@181 1207 p_exp env e,
adamc@181 1208 string ";",
adamc@181 1209 newline],
adamc@181 1210 string "tmp;",
adamc@181 1211 newline,
adamc@181 1212 string "})"]
adamc@181 1213 end
adamc@297 1214 | ENone _ => string "NULL"
adamc@290 1215 | ESome (t, e) =>
adamc@463 1216 if isUnboxable t then
adamc@463 1217 p_exp' par env e
adamc@463 1218 else
adamc@463 1219 box [string "({",
adamc@463 1220 newline,
adamc@463 1221 p_typ env t,
adamc@463 1222 space,
adamc@463 1223 string "*tmp",
adamc@463 1224 space,
adamc@463 1225 string "=",
adamc@463 1226 space,
adamc@463 1227 string "uw_malloc(ctx, sizeof(",
adamc@463 1228 p_typ env t,
adamc@463 1229 string "));",
adamc@463 1230 newline,
adamc@463 1231 string "*tmp",
adamc@463 1232 space,
adamc@463 1233 string "=",
adamc@463 1234 p_exp' par env e,
adamc@463 1235 string ";",
adamc@463 1236 newline,
adamc@463 1237 string "tmp;",
adamc@463 1238 newline,
adamc@463 1239 string "})"]
adamc@109 1240
adamc@316 1241 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1242 | EError (e, t) =>
adamc@283 1243 box [string "({",
adamc@283 1244 newline,
adamc@283 1245 p_typ env t,
adamc@283 1246 space,
adamc@283 1247 string "tmp;",
adamc@283 1248 newline,
adamc@311 1249 string "uw_error(ctx, FATAL, \"",
adamc@292 1250 string (ErrorMsg.spanToString loc),
adamc@292 1251 string ": %s\", ",
adamc@283 1252 p_exp env e,
adamc@283 1253 string ");",
adamc@283 1254 newline,
adamc@283 1255 string "tmp;",
adamc@283 1256 newline,
adamc@283 1257 string "})"]
adamc@476 1258 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1259 p_exp env (EError (e, ran), loc)
adamc@476 1260
adamc@311 1261 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1262 p_ident m,
adamc@53 1263 string "_",
adamc@316 1264 p_ident x,
adamc@117 1265 string "(ctx, ",
adamc@53 1266 p_list (p_exp env) es,
adamc@53 1267 string ")"]
adamc@316 1268 | EApp (f, args) =>
adamc@316 1269 parenIf par (box [p_exp' true env f,
adamc@316 1270 string "(ctx,",
adamc@316 1271 space,
adamc@316 1272 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1273 string ")"])
adamc@29 1274
adamc@387 1275 | EUnop (s, e1) =>
adamc@387 1276 parenIf par (box [string s,
adamc@387 1277 space,
adamc@387 1278 p_exp' true env e1])
adamc@387 1279
adamc@387 1280 | EBinop (s, e1, e2) =>
adamc@389 1281 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1282 box [string s,
adamc@390 1283 string "(",
adamc@389 1284 p_exp env e1,
adamc@389 1285 string ",",
adamc@389 1286 space,
adamc@389 1287 p_exp env e2,
adamc@389 1288 string ")"]
adamc@389 1289 else
adamc@389 1290 parenIf par (box [p_exp' true env e1,
adamc@389 1291 space,
adamc@389 1292 string s,
adamc@389 1293 space,
adamc@389 1294 p_exp' true env e2])
adamc@387 1295
adamc@29 1296 | ERecord (i, xes) => box [string "({",
adamc@29 1297 space,
adamc@29 1298 string "struct",
adamc@29 1299 space,
adamc@311 1300 string ("__uws_" ^ Int.toString i),
adamc@29 1301 space,
adamc@181 1302 string "tmp",
adamc@29 1303 space,
adamc@29 1304 string "=",
adamc@29 1305 space,
adamc@29 1306 string "{",
adamc@29 1307 p_list (fn (_, e) =>
adamc@29 1308 p_exp env e) xes,
adamc@29 1309 string "};",
adamc@29 1310 space,
adamc@181 1311 string "tmp;",
adamc@29 1312 space,
adamc@29 1313 string "})" ]
adamc@29 1314 | EField (e, x) =>
adamc@29 1315 box [p_exp' true env e,
adamc@311 1316 string ".__uwf_",
adamc@316 1317 p_ident x]
adamc@29 1318
adamc@182 1319 | ECase (e, pes, {disc, result}) =>
adamc@182 1320 let
adamc@182 1321 val final = newGoto ()
adamc@182 1322
adamc@182 1323 val body = foldl (fn ((p, e), body) =>
adamc@182 1324 let
adamc@182 1325 val exit = newGoto ()
adamc@182 1326 val (pr, _) = p_pat_preamble env p
adamc@182 1327 val (p, env) = p_pat (env,
adamc@182 1328 box [string "goto",
adamc@182 1329 space,
adamc@182 1330 exit,
adamc@182 1331 string ";"],
adamc@182 1332 0) p
adamc@182 1333 in
adamc@182 1334 box [body,
adamc@182 1335 box [string "{",
adamc@182 1336 newline,
adamc@182 1337 pr,
adamc@182 1338 newline,
adamc@182 1339 p,
adamc@182 1340 newline,
adamc@182 1341 string "result",
adamc@182 1342 space,
adamc@182 1343 string "=",
adamc@182 1344 space,
adamc@182 1345 p_exp env e,
adamc@182 1346 string ";",
adamc@182 1347 newline,
adamc@182 1348 string "goto",
adamc@182 1349 space,
adamc@182 1350 final,
adamc@182 1351 string ";",
adamc@182 1352 newline,
adamc@182 1353 string "}"],
adamc@182 1354 newline,
adamc@182 1355 exit,
adamc@182 1356 string ":",
adamc@182 1357 newline]
adamc@182 1358 end) (box []) pes
adamc@182 1359 in
adamc@182 1360 box [string "({",
adamc@182 1361 newline,
adamc@182 1362 p_typ env disc,
adamc@182 1363 space,
adamc@182 1364 string "disc0",
adamc@182 1365 space,
adamc@182 1366 string "=",
adamc@182 1367 space,
adamc@182 1368 p_exp env e,
adamc@182 1369 string ";",
adamc@182 1370 newline,
adamc@182 1371 p_typ env result,
adamc@182 1372 space,
adamc@182 1373 string "result;",
adamc@182 1374 newline,
adamc@182 1375 body,
adamc@311 1376 string "uw_error(ctx, FATAL, \"",
adamc@182 1377 string (ErrorMsg.spanToString loc),
adamc@182 1378 string ": pattern match failure\");",
adamc@182 1379 newline,
adamc@182 1380 final,
adamc@182 1381 string ":",
adamc@182 1382 space,
adamc@182 1383 string "result;",
adamc@182 1384 newline,
adamc@182 1385 string "})"]
adamc@182 1386 end
adamc@181 1387
adamc@311 1388 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1389 p_exp env e,
adamc@311 1390 string "), uw_unit_v)"]
adamc@102 1391
adamc@106 1392 | ESeq (e1, e2) => box [string "(",
adamc@106 1393 p_exp env e1,
adamc@106 1394 string ",",
adamc@106 1395 space,
adamc@106 1396 p_exp env e2,
adamc@106 1397 string ")"]
adamc@269 1398 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1399 newline,
adamc@269 1400 p_typ env t,
adamc@269 1401 space,
adamc@311 1402 string "__uwr_",
adamc@316 1403 p_ident x,
adamc@272 1404 string "_",
adamc@272 1405 string (Int.toString (E.countERels env)),
adamc@269 1406 space,
adamc@269 1407 string "=",
adamc@269 1408 space,
adamc@269 1409 p_exp env e1,
adamc@269 1410 string ";",
adamc@269 1411 newline,
adamc@269 1412 p_exp (E.pushERel env x t) e2,
adamc@269 1413 string ";",
adamc@269 1414 newline,
adamc@269 1415 string "})"]
adamc@269 1416
adamc@282 1417 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1418 let
adamc@316 1419 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1420 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1421 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1422 tables
adamc@638 1423
adamc@278 1424 val outputs = exps @ tables
adamc@325 1425 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1426
adamc@324 1427 val wontLeakStrings = notLeaky env true state
adamc@324 1428 val wontLeakAnything = notLeaky env false state
adamc@278 1429 in
adamc@640 1430 box [if wontLeakAnything then
adamc@331 1431 string "uw_begin_region(ctx), "
adamc@324 1432 else
adamc@324 1433 box [],
adamc@324 1434 string "({",
adamc@278 1435 newline,
adamc@311 1436 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1437 newline,
adamc@640 1438 p_typ env state,
adamc@640 1439 space,
adamc@640 1440 string "acc",
adamc@640 1441 space,
adamc@640 1442 string "=",
adamc@640 1443 space,
adamc@640 1444 p_exp env initial,
adamc@640 1445 string ";",
adamc@640 1446 newline,
adamc@640 1447 string "int n, i, dummy = (uw_begin_region(ctx), 0);",
adamc@640 1448 newline,
adamc@640 1449
adamc@282 1450 case prepared of
adamc@282 1451 NONE => box [string "char *query = ",
adamc@282 1452 p_exp env query,
adamc@282 1453 string ";",
adamc@282 1454 newline]
adamc@282 1455 | SOME _ =>
adamc@282 1456 let
adamc@282 1457 val ets = getPargs query
adamc@282 1458 in
adamc@282 1459 box [p_list_sepi newline
adamc@282 1460 (fn i => fn (e, t) =>
adamc@282 1461 box [p_sql_type t,
adamc@282 1462 space,
adamc@282 1463 string "arg",
adamc@282 1464 string (Int.toString (i + 1)),
adamc@282 1465 space,
adamc@282 1466 string "=",
adamc@282 1467 space,
adamc@282 1468 p_exp env e,
adamc@282 1469 string ";"])
adamc@282 1470 ets,
adamc@282 1471 newline,
adamc@282 1472 newline,
adamc@282 1473
adamc@282 1474 string "const char *paramValues[] = { ",
adamc@282 1475 p_list_sepi (box [string ",", space])
adamc@282 1476 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1477 string (Int.toString (i + 1))]))
adamc@282 1478 ets,
adamc@282 1479 string " };",
adamc@282 1480 newline,
adamc@282 1481 newline]
adamc@282 1482 end,
adamc@640 1483
adamc@282 1484 string "PGresult *res = ",
adamc@282 1485 case prepared of
adamc@295 1486 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1487 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1488 string (Int.toString n),
adamc@282 1489 string "\", ",
adamc@282 1490 string (Int.toString (length (getPargs query))),
adamc@295 1491 string ", paramValues, NULL, NULL, 0);"],
adamc@278 1492 newline,
adamc@278 1493 newline,
adamc@277 1494
adamc@311 1495 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1496 newline,
adamc@278 1497 newline,
adamc@277 1498
adamc@278 1499 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1500 newline,
adamc@278 1501 box [string "PQclear(res);",
adamc@278 1502 newline,
adamc@311 1503 string "uw_error(ctx, FATAL, \"",
adamc@278 1504 string (ErrorMsg.spanToString loc),
adamc@282 1505 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1506 case prepared of
adamc@282 1507 NONE => string "query"
adamc@282 1508 | SOME _ => p_exp env query,
adamc@282 1509 string ", PQerrorMessage(conn));",
adamc@278 1510 newline],
adamc@278 1511 string "}",
adamc@278 1512 newline,
adamc@278 1513 newline,
adamc@277 1514
adamc@323 1515 string "uw_end_region(ctx);",
adamc@323 1516 newline,
adamc@425 1517 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1518 newline,
adamc@278 1519 string "n = PQntuples(res);",
adamc@278 1520 newline,
adamc@278 1521 string "for (i = 0; i < n; ++i) {",
adamc@278 1522 newline,
adamc@278 1523 box [string "struct",
adamc@278 1524 space,
adamc@311 1525 string "__uws_",
adamc@278 1526 string (Int.toString rnum),
adamc@278 1527 space,
adamc@311 1528 string "__uwr_r_",
adamc@278 1529 string (Int.toString (E.countERels env)),
adamc@278 1530 string ";",
adamc@278 1531 newline,
adamc@278 1532 p_typ env state,
adamc@278 1533 space,
adamc@311 1534 string "__uwr_acc_",
adamc@278 1535 string (Int.toString (E.countERels env + 1)),
adamc@278 1536 space,
adamc@278 1537 string "=",
adamc@278 1538 space,
adamc@278 1539 string "acc;",
adamc@278 1540 newline,
adamc@278 1541 newline,
adamc@278 1542
adamc@278 1543 p_list_sepi (box []) (fn i =>
adamc@278 1544 fn (proj, t) =>
adamc@311 1545 box [string "__uwr_r_",
adamc@278 1546 string (Int.toString (E.countERels env)),
adamc@278 1547 string ".",
adamc@278 1548 string proj,
adamc@278 1549 space,
adamc@278 1550 string "=",
adamc@278 1551 space,
adamc@467 1552 p_getcol wontLeakStrings env t i,
adamc@278 1553 string ";",
adamc@278 1554 newline]) outputs,
adamc@278 1555
adamc@278 1556 newline,
adamc@278 1557 newline,
adamc@278 1558
adamc@278 1559 string "acc",
adamc@278 1560 space,
adamc@278 1561 string "=",
adamc@278 1562 space,
adamc@278 1563 p_exp (E.pushERel
adamc@278 1564 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1565 "acc" state)
adamc@278 1566 body,
adamc@278 1567 string ";",
adamc@278 1568 newline],
adamc@278 1569 string "}",
adamc@278 1570 newline,
adamc@278 1571 newline,
adamc@425 1572 string "uw_pop_cleanup(ctx);",
adamc@278 1573 newline,
adamc@324 1574 if wontLeakAnything then
adamc@324 1575 box [string "uw_end_region(ctx);",
adamc@324 1576 newline]
adamc@324 1577 else
adamc@324 1578 box [],
adamc@278 1579 string "acc;",
adamc@278 1580 newline,
adamc@640 1581 string "})"]
adamc@278 1582 end
adamc@106 1583
adamc@307 1584 | EDml {dml, prepared} =>
adamc@337 1585 box [string "(uw_begin_region(ctx), ({",
adamc@307 1586 newline,
adamc@311 1587 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1588 newline,
adamc@307 1589 case prepared of
adamc@307 1590 NONE => box [string "char *dml = ",
adamc@307 1591 p_exp env dml,
adamc@307 1592 string ";",
adamc@307 1593 newline]
adamc@307 1594 | SOME _ =>
adamc@307 1595 let
adamc@307 1596 val ets = getPargs dml
adamc@307 1597 in
adamc@307 1598 box [p_list_sepi newline
adamc@307 1599 (fn i => fn (e, t) =>
adamc@307 1600 box [p_sql_type t,
adamc@307 1601 space,
adamc@307 1602 string "arg",
adamc@307 1603 string (Int.toString (i + 1)),
adamc@307 1604 space,
adamc@307 1605 string "=",
adamc@307 1606 space,
adamc@307 1607 p_exp env e,
adamc@307 1608 string ";"])
adamc@307 1609 ets,
adamc@307 1610 newline,
adamc@307 1611 newline,
adamc@307 1612
adamc@307 1613 string "const char *paramValues[] = { ",
adamc@307 1614 p_list_sepi (box [string ",", space])
adamc@307 1615 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1616 string (Int.toString (i + 1))]))
adamc@307 1617 ets,
adamc@307 1618 string " };",
adamc@307 1619 newline,
adamc@307 1620 newline]
adamc@307 1621 end,
adamc@307 1622 newline,
adamc@307 1623 newline,
adamc@307 1624 string "PGresult *res = ",
adamc@307 1625 case prepared of
adamc@307 1626 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1627 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1628 string (Int.toString n),
adamc@307 1629 string "\", ",
adamc@307 1630 string (Int.toString (length (getPargs dml))),
adamc@307 1631 string ", paramValues, NULL, NULL, 0);"],
adamc@307 1632 newline,
adamc@307 1633 newline,
adamc@307 1634
adamc@311 1635 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1636 newline,
adamc@307 1637 newline,
adamc@307 1638
adamc@307 1639 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1640 newline,
adamc@307 1641 box [string "PQclear(res);",
adamc@307 1642 newline,
adamc@311 1643 string "uw_error(ctx, FATAL, \"",
adamc@307 1644 string (ErrorMsg.spanToString loc),
adamc@307 1645 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1646 case prepared of
adamc@307 1647 NONE => string "dml"
adamc@307 1648 | SOME _ => p_exp env dml,
adamc@307 1649 string ", PQerrorMessage(conn));",
adamc@307 1650 newline],
adamc@307 1651 string "}",
adamc@307 1652 newline,
adamc@307 1653 newline,
adamc@307 1654
adamc@307 1655 string "PQclear(res);",
adamc@307 1656 newline,
adamc@337 1657 string "uw_end_region(ctx);",
adamc@337 1658 newline,
adamc@311 1659 string "uw_unit_v;",
adamc@307 1660 newline,
adamc@337 1661 string "}))"]
adamc@307 1662
adamc@338 1663 | ENextval {seq, prepared} =>
adamc@338 1664 let
adamc@486 1665 val query = case seq of
adamc@486 1666 (EPrim (Prim.String s), loc) =>
adamc@486 1667 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1668 | _ =>
adamc@486 1669 let
adamc@486 1670 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1671 in
adamc@486 1672 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1673 end
adamc@338 1674 in
adamc@338 1675 box [string "(uw_begin_region(ctx), ",
adamc@338 1676 string "({",
adamc@338 1677 newline,
adamc@338 1678 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1679 newline,
adamc@338 1680 case prepared of
adamc@338 1681 NONE => box [string "char *query = ",
adamc@338 1682 p_exp env query,
adamc@338 1683 string ";",
adamc@338 1684 newline]
adamc@338 1685 | SOME _ =>
adamc@338 1686 box [],
adamc@338 1687 newline,
adamc@338 1688 string "PGresult *res = ",
adamc@338 1689 case prepared of
adamc@338 1690 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1691 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1692 string (Int.toString n),
adamc@338 1693 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1694 newline,
adamc@338 1695 string "uw_Basis_int n;",
adamc@338 1696 newline,
adamc@338 1697 newline,
adamc@338 1698
adamc@338 1699 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1700 newline,
adamc@338 1701 newline,
adamc@338 1702
adamc@338 1703 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1704 newline,
adamc@338 1705 box [string "PQclear(res);",
adamc@338 1706 newline,
adamc@338 1707 string "uw_error(ctx, FATAL, \"",
adamc@338 1708 string (ErrorMsg.spanToString loc),
adamc@338 1709 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1710 case prepared of
adamc@338 1711 NONE => string "query"
adamc@338 1712 | SOME _ => p_exp env query,
adamc@338 1713 string ", PQerrorMessage(conn));",
adamc@338 1714 newline],
adamc@338 1715 string "}",
adamc@338 1716 newline,
adamc@338 1717 newline,
adamc@338 1718
adamc@338 1719 string "uw_end_region(ctx);",
adamc@338 1720 newline,
adamc@338 1721 string "n = PQntuples(res);",
adamc@338 1722 newline,
adamc@338 1723 string "if (n != 1) {",
adamc@338 1724 newline,
adamc@338 1725 box [string "PQclear(res);",
adamc@338 1726 newline,
adamc@338 1727 string "uw_error(ctx, FATAL, \"",
adamc@338 1728 string (ErrorMsg.spanToString loc),
adamc@338 1729 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1730 case prepared of
adamc@338 1731 NONE => string "query"
adamc@338 1732 | SOME _ => p_exp env query,
adamc@338 1733 string ", PQerrorMessage(conn));",
adamc@338 1734 newline],
adamc@338 1735 string "}",
adamc@338 1736 newline,
adamc@338 1737 newline,
adamc@338 1738
adamc@338 1739 string "n = ",
adamc@338 1740 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1741 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1742 string ";",
adamc@338 1743 newline,
adamc@338 1744 string "PQclear(res);",
adamc@338 1745 newline,
adamc@338 1746 string "n;",
adamc@338 1747 newline,
adamc@338 1748 string "}))"]
adamc@338 1749 end
adamc@338 1750
adamc@463 1751 | EUnurlify (e, t) =>
adamc@463 1752 let
adamc@463 1753 fun getIt () =
adamc@463 1754 if isUnboxable t then
adamc@463 1755 unurlify env t
adamc@463 1756 else
adamc@463 1757 box [string "({",
adamc@463 1758 newline,
adamc@463 1759 p_typ env t,
adamc@463 1760 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1761 p_typ env t,
adamc@463 1762 string "));",
adamc@463 1763 newline,
adamc@463 1764 string "*tmp = ",
adamc@463 1765 unurlify env t,
adamc@463 1766 string ";",
adamc@463 1767 newline,
adamc@463 1768 string "tmp;",
adamc@463 1769 newline,
adamc@463 1770 string "})"]
adamc@463 1771 in
adamc@463 1772 box [string "({",
adamc@463 1773 newline,
adamc@493 1774 string "uw_Basis_string request = uw_Basis_maybe_strdup(ctx, ",
adamc@463 1775 p_exp env e,
adamc@492 1776 string ");",
adamc@463 1777 newline,
adamc@463 1778 newline,
adamc@463 1779 string "(request ? ",
adamc@463 1780 getIt (),
adamc@463 1781 string " : NULL);",
adamc@463 1782 newline,
adamc@463 1783 string "})"]
adamc@463 1784 end
adamc@463 1785
adamc@29 1786 and p_exp env = p_exp' false env
adamc@29 1787
adamc@129 1788 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1789 let
adamc@129 1790 val nargs = length args
adamc@129 1791 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1792 in
adamc@129 1793 box [string "static",
adamc@129 1794 space,
adamc@129 1795 p_typ env ran,
adamc@129 1796 space,
adamc@316 1797 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1798 string "(",
adamc@129 1799 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1800 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1801 box [p_typ env dom,
adamc@129 1802 space,
adamc@129 1803 p_rel env' (nargs - i - 1)]) args),
adamc@129 1804 string ")",
adamc@129 1805 space,
adamc@129 1806 string "{",
adamc@129 1807 newline,
adamc@638 1808 box [string "return(",
adamc@638 1809 p_exp env' e,
adamc@638 1810 string ");"],
adamc@129 1811 newline,
adamc@129 1812 string "}"]
adamc@129 1813 end
adamc@129 1814
adamc@129 1815 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1816 case d of
adamc@29 1817 DStruct (n, xts) =>
adamc@196 1818 let
adamc@196 1819 val env = E.declBinds env dAll
adamc@196 1820 in
adamc@196 1821 box [string "struct",
adamc@196 1822 space,
adamc@311 1823 string ("__uws_" ^ Int.toString n),
adamc@196 1824 space,
adamc@196 1825 string "{",
adamc@196 1826 newline,
adamc@196 1827 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1828 space,
adamc@311 1829 string "__uwf_",
adamc@316 1830 p_ident x,
adamc@196 1831 string ";",
adamc@196 1832 newline]) xts,
adamc@196 1833 string "};"]
adamc@196 1834 end
adamc@188 1835 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1836 box [string "enum",
adamc@188 1837 space,
adamc@316 1838 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1839 space,
adamc@188 1840 string "{",
adamc@188 1841 space,
adamc@316 1842 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1843 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1844 space,
adamc@188 1845 string "};"]
adamc@198 1846 | DDatatype (Option, _, _, _) => box []
adamc@188 1847 | DDatatype (Default, x, n, xncs) =>
adamc@165 1848 let
adamc@165 1849 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1850 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1851 in
adamc@165 1852 box [string "enum",
adamc@165 1853 space,
adamc@316 1854 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1855 space,
adamc@165 1856 string "{",
adamc@165 1857 space,
adamc@316 1858 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1859 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1860 space,
adamc@165 1861 string "};",
adamc@165 1862 newline,
adamc@165 1863 newline,
adamc@165 1864 string "struct",
adamc@165 1865 space,
adamc@316 1866 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1867 space,
adamc@165 1868 string "{",
adamc@165 1869 newline,
adamc@165 1870 string "enum",
adamc@165 1871 space,
adamc@316 1872 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1873 space,
adamc@165 1874 string "tag;",
adamc@165 1875 newline,
adamc@165 1876 box (case xncsArgs of
adamc@165 1877 [] => []
adamc@165 1878 | _ => [string "union",
adamc@165 1879 space,
adamc@165 1880 string "{",
adamc@165 1881 newline,
adamc@165 1882 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1883 space,
adamc@316 1884 string ("uw_" ^ ident x),
adamc@165 1885 string ";"]) xncsArgs,
adamc@165 1886 newline,
adamc@165 1887 string "}",
adamc@165 1888 space,
adamc@165 1889 string "data;",
adamc@165 1890 newline]),
adamc@165 1891 string "};"]
adamc@188 1892 end
adamc@29 1893
adamc@196 1894 | DDatatypeForward _ => box []
adamc@196 1895
adamc@29 1896 | DVal (x, n, t, e) =>
adamc@29 1897 box [p_typ env t,
adamc@29 1898 space,
adamc@316 1899 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1900 space,
adamc@29 1901 string "=",
adamc@29 1902 space,
adamc@29 1903 p_exp env e,
adamc@29 1904 string ";"]
adamc@129 1905 | DFun vi => p_fun env vi
adamc@129 1906 | DFunRec vis =>
adamc@29 1907 let
adamc@129 1908 val env = E.declBinds env dAll
adamc@29 1909 in
adamc@129 1910 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1911 box [string "static",
adamc@129 1912 space,
adamc@129 1913 p_typ env ran,
adamc@129 1914 space,
adamc@316 1915 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1916 string "(uw_context,",
adamc@129 1917 space,
adamc@129 1918 p_list_sep (box [string ",", space])
adamc@129 1919 (fn (_, dom) => p_typ env dom) args,
adamc@129 1920 string ");"]) vis,
adamc@29 1921 newline,
adamc@129 1922 p_list_sep newline (p_fun env) vis,
adamc@129 1923 newline]
adamc@29 1924 end
adamc@273 1925 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1926 string x,
adamc@273 1927 string " */",
adamc@273 1928 newline]
adamc@338 1929 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1930 string x,
adamc@338 1931 string " */",
adamc@338 1932 newline]
adamc@311 1933 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1934 newline,
adamc@311 1935 string "static void uw_db_prepare(uw_context);",
adamc@282 1936 newline,
adamc@275 1937 newline,
adamc@311 1938 string "void uw_db_init(uw_context ctx) {",
adamc@273 1939 newline,
adamc@272 1940 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1941 string (String.toString s),
adamc@272 1942 string "\");",
adamc@272 1943 newline,
adamc@311 1944 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1945 string "\"libpq can't allocate a connection.\");",
adamc@272 1946 newline,
adamc@272 1947 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1948 newline,
adamc@272 1949 box [string "char msg[1024];",
adamc@272 1950 newline,
adamc@272 1951 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1952 newline,
adamc@272 1953 string "msg[1023] = 0;",
adamc@272 1954 newline,
adamc@272 1955 string "PQfinish(conn);",
adamc@272 1956 newline,
adamc@311 1957 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1958 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1959 newline,
adamc@272 1960 string "}",
adamc@272 1961 newline,
adamc@311 1962 string "uw_set_db(ctx, conn);",
adamc@272 1963 newline,
adamc@311 1964 string "uw_db_validate(ctx);",
adamc@275 1965 newline,
adamc@311 1966 string "uw_db_prepare(ctx);",
adamc@282 1967 newline,
adamc@272 1968 string "}",
adamc@272 1969 newline,
adamc@272 1970 newline,
adamc@311 1971 string "void uw_db_close(uw_context ctx) {",
adamc@272 1972 newline,
adamc@311 1973 string "PQfinish(uw_get_db(ctx));",
adamc@272 1974 newline,
adamc@272 1975 string "}",
adamc@424 1976 newline,
adamc@424 1977 newline,
adamc@424 1978
adamc@424 1979 string "int uw_db_begin(uw_context ctx) {",
adamc@424 1980 newline,
adamc@424 1981 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1982 newline,
adamc@424 1983 string "PGresult *res = PQexec(conn, \"BEGIN\");",
adamc@424 1984 newline,
adamc@424 1985 newline,
adamc@424 1986 string "if (res == NULL) return 1;",
adamc@424 1987 newline,
adamc@424 1988 newline,
adamc@424 1989 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 1990 box [string "PQclear(res);",
adamc@424 1991 newline,
adamc@424 1992 string "return 1;",
adamc@424 1993 newline],
adamc@424 1994 string "}",
adamc@424 1995 newline,
adamc@424 1996 string "return 0;",
adamc@424 1997 newline,
adamc@424 1998 string "}",
adamc@424 1999 newline,
adamc@424 2000 newline,
adamc@424 2001
adamc@424 2002 string "int uw_db_commit(uw_context ctx) {",
adamc@424 2003 newline,
adamc@424 2004 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 2005 newline,
adamc@424 2006 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@424 2007 newline,
adamc@424 2008 newline,
adamc@424 2009 string "if (res == NULL) return 1;",
adamc@424 2010 newline,
adamc@424 2011 newline,
adamc@424 2012 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2013 box [string "PQclear(res);",
adamc@424 2014 newline,
adamc@424 2015 string "return 1;",
adamc@424 2016 newline],
adamc@424 2017 string "}",
adamc@424 2018 newline,
adamc@424 2019 string "return 0;",
adamc@424 2020 newline,
adamc@424 2021 string "}",
adamc@424 2022 newline,
adamc@424 2023 newline,
adamc@424 2024
adamc@424 2025 string "int uw_db_rollback(uw_context ctx) {",
adamc@424 2026 newline,
adamc@424 2027 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 2028 newline,
adamc@424 2029 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@424 2030 newline,
adamc@424 2031 newline,
adamc@424 2032 string "if (res == NULL) return 1;",
adamc@424 2033 newline,
adamc@424 2034 newline,
adamc@424 2035 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2036 box [string "PQclear(res);",
adamc@424 2037 newline,
adamc@424 2038 string "return 1;",
adamc@424 2039 newline],
adamc@424 2040 string "}",
adamc@424 2041 newline,
adamc@424 2042 string "return 0;",
adamc@424 2043 newline,
adamc@424 2044 string "}",
adamc@272 2045 newline]
adamc@29 2046
adamc@467 2047 | DPreparedStatements [] =>
adamc@467 2048 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2049 newline,
adamc@467 2050 string "}"]
adamc@282 2051 | DPreparedStatements ss =>
adamc@311 2052 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2053 newline,
adamc@311 2054 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2055 newline,
adamc@282 2056 string "PGresult *res;",
adamc@282 2057 newline,
adamc@282 2058 newline,
adamc@282 2059
adamc@282 2060 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2061 box [string "res = PQprepare(conn, \"uw",
adamc@282 2062 string (Int.toString i),
adamc@282 2063 string "\", \"",
adamc@282 2064 string (String.toString s),
adamc@282 2065 string "\", ",
adamc@282 2066 string (Int.toString n),
adamc@282 2067 string ", NULL);",
adamc@282 2068 newline,
adamc@282 2069 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2070 newline,
adamc@282 2071 box [string "char msg[1024];",
adamc@282 2072 newline,
adamc@282 2073 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2074 newline,
adamc@282 2075 string "msg[1023] = 0;",
adamc@282 2076 newline,
adamc@282 2077 string "PQclear(res);",
adamc@282 2078 newline,
adamc@282 2079 string "PQfinish(conn);",
adamc@282 2080 newline,
adamc@311 2081 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2082 string (String.toString s),
adamc@282 2083 string "\\n%s\", msg);",
adamc@282 2084 newline],
adamc@282 2085 string "}",
adamc@282 2086 newline,
adamc@282 2087 string "PQclear(res);",
adamc@282 2088 newline])
adamc@282 2089 ss,
adamc@282 2090
adamc@282 2091 string "}"]
adamc@282 2092
adamc@569 2093 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2094 string (String.toString s),
adamc@569 2095 string "\";"]
adamc@569 2096
adamc@144 2097 datatype 'a search =
adamc@144 2098 Found of 'a
adamc@144 2099 | NotFound
adamc@144 2100 | Error
adamc@120 2101
adamc@467 2102 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2103 case t of
adamc@275 2104 TFfi ("Basis", "int") => "int8"
adamc@275 2105 | TFfi ("Basis", "float") => "float8"
adamc@275 2106 | TFfi ("Basis", "string") => "text"
adamc@275 2107 | TFfi ("Basis", "bool") => "bool"
adamc@438 2108 | TFfi ("Basis", "time") => "timestamp"
adamc@275 2109 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2110 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2111 "ERROR")
adamc@275 2112
adamc@467 2113 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2114 case t of
adamc@467 2115 (TOption t, _) => p_sqltype'' env t
adamc@467 2116 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2117
adamc@275 2118 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2119
adamc@467 2120 fun p_sqltype_base' env t =
adamc@467 2121 case t of
adamc@467 2122 (TOption t, _) => p_sqltype'' env t
adamc@467 2123 | _ => p_sqltype'' env t
adamc@467 2124
adamc@467 2125 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2126
adamc@467 2127 fun is_not_null t =
adamc@467 2128 case t of
adamc@467 2129 (TOption _, _) => false
adamc@467 2130 | _ => true
adamc@467 2131
adamc@101 2132 fun p_file env (ds, ps) =
adamc@29 2133 let
adamc@101 2134 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2135 (p_decl env d,
adamc@638 2136 E.declBinds env d))
adamc@101 2137 env ds
adamc@144 2138
adamc@609 2139 val fields = foldl (fn ((ek, _, _, ts, _), fields) =>
adamc@144 2140 case ek of
adamc@144 2141 Core.Link => fields
adamc@608 2142 | Core.Rpc => fields
adamc@144 2143 | Core.Action =>
adamc@280 2144 case List.nth (ts, length ts - 2) of
adamc@144 2145 (TRecord i, _) =>
adamc@144 2146 let
adamc@144 2147 val xts = E.lookupStruct env i
adamc@144 2148 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 2149 in
adamc@144 2150 foldl (fn ((x, _), fields) =>
adamc@144 2151 let
adamc@144 2152 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 2153 in
adamc@144 2154 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 2155 xtsSet'))
adamc@144 2156 end) fields xts
adamc@144 2157 end
adamc@144 2158 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 2159 SM.empty ps
adamc@144 2160
adamc@144 2161 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2162 let
adamc@144 2163 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2164 case SM.find (fnums, x') of
adamc@144 2165 NONE => unusable
adamc@144 2166 | SOME n => IS.add (unusable, n))
adamc@144 2167 IS.empty xs
adamc@144 2168
adamc@144 2169 fun findAvailable n =
adamc@144 2170 if IS.member (unusable, n) then
adamc@144 2171 findAvailable (n + 1)
adamc@144 2172 else
adamc@144 2173 n
adamc@144 2174 in
adamc@144 2175 SM.insert (fnums, x, findAvailable 0)
adamc@144 2176 end)
adamc@144 2177 SM.empty fields
adamc@144 2178
adamc@144 2179 fun makeSwitch (fnums, i) =
adamc@144 2180 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2181 | (n, Error) => Error
adamc@144 2182 | (n, Found n') => if n = n' then
adamc@144 2183 Found n'
adamc@144 2184 else
adamc@144 2185 Error) NotFound fnums of
adamc@144 2186 NotFound => box [string "return",
adamc@144 2187 space,
adamc@144 2188 string "-1;"]
adamc@144 2189 | Found n => box [string "return",
adamc@144 2190 space,
adamc@144 2191 string (Int.toString n),
adamc@144 2192 string ";"]
adamc@144 2193 | Error =>
adamc@144 2194 let
adamc@144 2195 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2196 let
adamc@144 2197 val ch = if i < size x then
adamc@144 2198 String.sub (x, i)
adamc@144 2199 else
adamc@144 2200 chr 0
adamc@144 2201
adamc@144 2202 val fnums = case CM.find (cmap, ch) of
adamc@144 2203 NONE => SM.empty
adamc@144 2204 | SOME fnums => fnums
adamc@144 2205 val fnums = SM.insert (fnums, x, n)
adamc@144 2206 in
adamc@144 2207 CM.insert (cmap, ch, fnums)
adamc@144 2208 end)
adamc@144 2209 CM.empty fnums
adamc@144 2210
adamc@144 2211 val cmap = CM.listItemsi cmap
adamc@144 2212 in
adamc@144 2213 case cmap of
adamc@144 2214 [(_, fnums)] =>
adamc@144 2215 box [string "if",
adamc@144 2216 space,
adamc@144 2217 string "(name[",
adamc@144 2218 string (Int.toString i),
adamc@144 2219 string "]",
adamc@144 2220 space,
adamc@144 2221 string "==",
adamc@144 2222 space,
adamc@144 2223 string "0)",
adamc@144 2224 space,
adamc@144 2225 string "return",
adamc@144 2226 space,
adamc@144 2227 string "-1;",
adamc@144 2228 newline,
adamc@144 2229 makeSwitch (fnums, i+1)]
adamc@144 2230 | _ =>
adamc@144 2231 box [string "switch",
adamc@144 2232 space,
adamc@144 2233 string "(name[",
adamc@144 2234 string (Int.toString i),
adamc@144 2235 string "])",
adamc@144 2236 space,
adamc@144 2237 string "{",
adamc@144 2238 newline,
adamc@144 2239 box (map (fn (ch, fnums) =>
adamc@144 2240 box [string "case",
adamc@144 2241 space,
adamc@144 2242 if ch = chr 0 then
adamc@144 2243 string "0:"
adamc@144 2244 else
adamc@144 2245 box [string "'",
adamc@144 2246 string (Char.toString ch),
adamc@144 2247 string "':"],
adamc@144 2248 newline,
adamc@144 2249 makeSwitch (fnums, i+1),
adamc@144 2250 newline]) cmap),
adamc@144 2251 string "default:",
adamc@144 2252 newline,
adamc@144 2253 string "return",
adamc@144 2254 space,
adamc@144 2255 string "-1;",
adamc@144 2256 newline,
adamc@144 2257 string "}"]
adamc@144 2258 end
adamc@144 2259
adamc@609 2260 fun p_page (ek, s, n, ts, ran) =
adamc@144 2261 let
adamc@144 2262 val (ts, defInputs, inputsVar) =
adamc@144 2263 case ek of
adamc@314 2264 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@608 2265 | Core.Rpc => (List.take (ts, length ts - 1), string "", string "")
adamc@144 2266 | Core.Action =>
adamc@280 2267 case List.nth (ts, length ts - 2) of
adamc@144 2268 (TRecord i, _) =>
adamc@144 2269 let
adamc@144 2270 val xts = E.lookupStruct env i
adamc@144 2271 in
adamc@280 2272 (List.take (ts, length ts - 2),
adamc@144 2273 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2274 space,
adamc@311 2275 string "uw_input_",
adamc@316 2276 p_ident x,
adamc@144 2277 string ";",
adamc@144 2278 newline]) xts),
adamc@144 2279 newline,
adamc@144 2280 box (map (fn (x, t) =>
adamc@144 2281 let
adamc@144 2282 val n = case SM.find (fnums, x) of
adamc@144 2283 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 2284 | SOME n => n
adamc@190 2285
adamc@190 2286 val f = case t of
adamc@190 2287 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 2288 | _ => ""
adamc@144 2289 in
adamc@311 2290 box [string "request = uw_get_",
adamc@190 2291 string f,
adamc@190 2292 string "input(ctx, ",
adamc@144 2293 string (Int.toString n),
adamc@144 2294 string ");",
adamc@144 2295 newline,
adamc@433 2296 string "if (request == NULL)",
adamc@144 2297 newline,
adamc@433 2298 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@144 2299 string x,
adamc@433 2300 string "\");"],
adamc@144 2301 newline,
adamc@311 2302 string "uw_input_",
adamc@316 2303 p_ident x,
adamc@144 2304 space,
adamc@144 2305 string "=",
adamc@144 2306 space,
adamc@463 2307 unurlify env t,
adamc@144 2308 string ";",
adamc@144 2309 newline]
adamc@144 2310 end) xts),
adamc@311 2311 string "struct __uws_",
adamc@144 2312 string (Int.toString i),
adamc@144 2313 space,
adamc@311 2314 string "uw_inputs",
adamc@144 2315 space,
adamc@144 2316 string "= {",
adamc@144 2317 newline,
adamc@311 2318 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2319 p_ident x,
adamc@144 2320 string ",",
adamc@144 2321 newline]) xts),
adamc@144 2322 string "};",
adamc@144 2323 newline],
adamc@144 2324 box [string ",",
adamc@144 2325 space,
adamc@311 2326 string "uw_inputs"])
adamc@144 2327 end
adamc@144 2328
adamc@144 2329 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 2330 in
adamc@144 2331 box [string "if (!strncmp(request, \"",
adamc@144 2332 string (String.toString s),
adamc@144 2333 string "\", ",
adamc@144 2334 string (Int.toString (size s)),
adamc@198 2335 string ") && (request[",
adamc@198 2336 string (Int.toString (size s)),
adamc@198 2337 string "] == 0 || request[",
adamc@198 2338 string (Int.toString (size s)),
adamc@198 2339 string "] == '/')) {",
adamc@144 2340 newline,
adamc@144 2341 string "request += ",
adamc@144 2342 string (Int.toString (size s)),
adamc@144 2343 string ";",
adamc@144 2344 newline,
adamc@144 2345 string "if (*request == '/') ++request;",
adamc@144 2346 newline,
adamc@609 2347 box (case ek of
adamc@610 2348 Core.Rpc => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@610 2349 newline]
adamc@609 2350 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2351 newline,
adamc@609 2352 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2353 newline,
adamc@609 2354 string "uw_write(ctx, \"<html>\");",
adamc@609 2355 newline]),
adamc@144 2356 box [string "{",
adamc@144 2357 newline,
adamc@144 2358 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2359 space,
adamc@144 2360 string "arg",
adamc@144 2361 string (Int.toString i),
adamc@144 2362 space,
adamc@144 2363 string "=",
adamc@144 2364 space,
adamc@463 2365 unurlify env t,
adamc@144 2366 string ";",
adamc@144 2367 newline]) ts),
adamc@144 2368 defInputs,
adamc@609 2369 box (case ek of
adamc@609 2370 Core.Rpc => [p_typ env ran,
adamc@609 2371 space,
adamc@610 2372 string "it0",
adamc@609 2373 space,
adamc@609 2374 string "=",
adamc@609 2375 space]
adamc@609 2376 | _ => []),
adamc@144 2377 p_enamed env n,
adamc@144 2378 string "(",
adamc@144 2379 p_list_sep (box [string ",", space])
adamc@144 2380 (fn x => x)
adamc@272 2381 (string "ctx"
adamc@280 2382 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2383 inputsVar,
adamc@311 2384 string ", uw_unit_v);",
adamc@144 2385 newline,
adamc@609 2386 box (case ek of
adamc@610 2387 Core.Rpc => [urlify env ran]
adamc@609 2388 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2389 newline]),
adamc@144 2390 string "return;",
adamc@144 2391 newline,
adamc@144 2392 string "}",
adamc@144 2393 newline,
adamc@144 2394 string "}"]
adamc@144 2395 ]
adamc@144 2396 end
adamc@144 2397
adamc@144 2398 val pds' = map p_page ps
adamc@275 2399
adamc@275 2400 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 2401 | _ => NONE) ds
adamc@377 2402 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2403 | _ => NONE) ds
adamc@275 2404
adamc@275 2405 val validate =
adamc@311 2406 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2407 newline,
adamc@311 2408 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2409 newline,
adamc@275 2410 string "PGresult *res;",
adamc@275 2411 newline,
adamc@275 2412 newline,
adamc@275 2413 p_list_sep newline
adamc@275 2414 (fn (s, xts) =>
adamc@275 2415 let
adamc@377 2416 val sl = CharVector.map Char.toLower s
adamc@377 2417
adamc@275 2418 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2419 ^ sl ^ "'"
adamc@275 2420
adamc@275 2421 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2422 sl,
adamc@275 2423 "') AND (",
adamc@275 2424 String.concatWith " OR "
adamc@275 2425 (map (fn (x, t) =>
adamc@311 2426 String.concat ["(attname = 'uw_",
adamc@275 2427 CharVector.map
adamc@316 2428 Char.toLower (ident x),
adamc@275 2429 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2430 " WHERE typname = '",
adamc@467 2431 p_sqltype_base' env t,
adamc@467 2432 "') AND attnotnull = ",
adamc@467 2433 if is_not_null t then
adamc@467 2434 "TRUE"
adamc@467 2435 else
adamc@467 2436 "FALSE",
adamc@467 2437 ")"]) xts),
adamc@275 2438 ")"]
adamc@275 2439
adamc@275 2440 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2441 sl,
adamc@325 2442 "') AND attname LIKE 'uw_%'"]
adamc@275 2443 in
adamc@275 2444 box [string "res = PQexec(conn, \"",
adamc@275 2445 string q,
adamc@275 2446 string "\");",
adamc@275 2447 newline,
adamc@275 2448 newline,
adamc@275 2449 string "if (res == NULL) {",
adamc@275 2450 newline,
adamc@275 2451 box [string "PQfinish(conn);",
adamc@275 2452 newline,
adamc@311 2453 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2454 newline],
adamc@275 2455 string "}",
adamc@275 2456 newline,
adamc@275 2457 newline,
adamc@275 2458 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2459 newline,
adamc@275 2460 box [string "char msg[1024];",
adamc@275 2461 newline,
adamc@275 2462 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2463 newline,
adamc@275 2464 string "msg[1023] = 0;",
adamc@275 2465 newline,
adamc@275 2466 string "PQclear(res);",
adamc@275 2467 newline,
adamc@275 2468 string "PQfinish(conn);",
adamc@275 2469 newline,
adamc@311 2470 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2471 string q,
adamc@275 2472 string "\\n%s\", msg);",
adamc@275 2473 newline],
adamc@275 2474 string "}",
adamc@275 2475 newline,
adamc@275 2476 newline,
adamc@275 2477 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2478 newline,
adamc@275 2479 box [string "PQclear(res);",
adamc@275 2480 newline,
adamc@275 2481 string "PQfinish(conn);",
adamc@275 2482 newline,
adamc@311 2483 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2484 string s,
adamc@275 2485 string "' does not exist.\");",
adamc@275 2486 newline],
adamc@275 2487 string "}",
adamc@275 2488 newline,
adamc@275 2489 newline,
adamc@275 2490 string "PQclear(res);",
adamc@275 2491 newline,
adamc@275 2492
adamc@275 2493 string "res = PQexec(conn, \"",
adamc@275 2494 string q',
adamc@275 2495 string "\");",
adamc@275 2496 newline,
adamc@275 2497 newline,
adamc@275 2498 string "if (res == NULL) {",
adamc@275 2499 newline,
adamc@275 2500 box [string "PQfinish(conn);",
adamc@275 2501 newline,
adamc@311 2502 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2503 newline],
adamc@275 2504 string "}",
adamc@275 2505 newline,
adamc@275 2506 newline,
adamc@275 2507 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2508 newline,
adamc@275 2509 box [string "char msg[1024];",
adamc@275 2510 newline,
adamc@275 2511 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2512 newline,
adamc@275 2513 string "msg[1023] = 0;",
adamc@275 2514 newline,
adamc@275 2515 string "PQclear(res);",
adamc@275 2516 newline,
adamc@275 2517 string "PQfinish(conn);",
adamc@275 2518 newline,
adamc@311 2519 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2520 string q',
adamc@275 2521 string "\\n%s\", msg);",
adamc@275 2522 newline],
adamc@275 2523 string "}",
adamc@275 2524 newline,
adamc@275 2525 newline,
adamc@275 2526 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2527 string (Int.toString (length xts)),
adamc@275 2528 string "\")) {",
adamc@275 2529 newline,
adamc@275 2530 box [string "PQclear(res);",
adamc@275 2531 newline,
adamc@275 2532 string "PQfinish(conn);",
adamc@275 2533 newline,
adamc@311 2534 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2535 string s,
adamc@275 2536 string "' has the wrong column types.\");",
adamc@275 2537 newline],
adamc@275 2538 string "}",
adamc@275 2539 newline,
adamc@275 2540 newline,
adamc@275 2541 string "PQclear(res);",
adamc@275 2542 newline,
adamc@275 2543 newline,
adamc@275 2544
adamc@275 2545 string "res = PQexec(conn, \"",
adamc@275 2546 string q'',
adamc@275 2547 string "\");",
adamc@275 2548 newline,
adamc@275 2549 newline,
adamc@275 2550 string "if (res == NULL) {",
adamc@275 2551 newline,
adamc@275 2552 box [string "PQfinish(conn);",
adamc@275 2553 newline,
adamc@311 2554 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2555 newline],
adamc@275 2556 string "}",
adamc@275 2557 newline,
adamc@275 2558 newline,
adamc@275 2559 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2560 newline,
adamc@275 2561 box [string "char msg[1024];",
adamc@275 2562 newline,
adamc@275 2563 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2564 newline,
adamc@275 2565 string "msg[1023] = 0;",
adamc@275 2566 newline,
adamc@275 2567 string "PQclear(res);",
adamc@275 2568 newline,
adamc@275 2569 string "PQfinish(conn);",
adamc@275 2570 newline,
adamc@311 2571 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2572 string q'',
adamc@275 2573 string "\\n%s\", msg);",
adamc@275 2574 newline],
adamc@275 2575 string "}",
adamc@275 2576 newline,
adamc@275 2577 newline,
adamc@275 2578 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2579 string (Int.toString (length xts)),
adamc@275 2580 string "\")) {",
adamc@275 2581 newline,
adamc@275 2582 box [string "PQclear(res);",
adamc@275 2583 newline,
adamc@275 2584 string "PQfinish(conn);",
adamc@275 2585 newline,
adamc@311 2586 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2587 string s,
adamc@275 2588 string "' has extra columns.\");",
adamc@275 2589 newline],
adamc@275 2590 string "}",
adamc@275 2591 newline,
adamc@275 2592 newline,
adamc@275 2593 string "PQclear(res);",
adamc@275 2594 newline]
adamc@275 2595 end) tables,
adamc@377 2596
adamc@377 2597 p_list_sep newline
adamc@377 2598 (fn s =>
adamc@377 2599 let
adamc@377 2600 val sl = CharVector.map Char.toLower s
adamc@377 2601
adamc@377 2602 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2603 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2604 in
adamc@377 2605 box [string "res = PQexec(conn, \"",
adamc@377 2606 string q,
adamc@377 2607 string "\");",
adamc@377 2608 newline,
adamc@377 2609 newline,
adamc@377 2610 string "if (res == NULL) {",
adamc@377 2611 newline,
adamc@377 2612 box [string "PQfinish(conn);",
adamc@377 2613 newline,
adamc@377 2614 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2615 newline],
adamc@377 2616 string "}",
adamc@377 2617 newline,
adamc@377 2618 newline,
adamc@377 2619 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2620 newline,
adamc@377 2621 box [string "char msg[1024];",
adamc@377 2622 newline,
adamc@377 2623 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2624 newline,
adamc@377 2625 string "msg[1023] = 0;",
adamc@377 2626 newline,
adamc@377 2627 string "PQclear(res);",
adamc@377 2628 newline,
adamc@377 2629 string "PQfinish(conn);",
adamc@377 2630 newline,
adamc@377 2631 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2632 string q,
adamc@377 2633 string "\\n%s\", msg);",
adamc@377 2634 newline],
adamc@377 2635 string "}",
adamc@377 2636 newline,
adamc@377 2637 newline,
adamc@377 2638 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2639 newline,
adamc@377 2640 box [string "PQclear(res);",
adamc@377 2641 newline,
adamc@377 2642 string "PQfinish(conn);",
adamc@377 2643 newline,
adamc@377 2644 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2645 string s,
adamc@377 2646 string "' does not exist.\");",
adamc@377 2647 newline],
adamc@377 2648 string "}",
adamc@377 2649 newline,
adamc@377 2650 newline,
adamc@377 2651 string "PQclear(res);",
adamc@377 2652 newline]
adamc@377 2653 end) sequences,
adamc@377 2654
adamc@275 2655 string "}"]
adamc@432 2656
adamc@432 2657 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@29 2658 in
adamc@144 2659 box [string "#include <stdio.h>",
adamc@144 2660 newline,
adamc@144 2661 string "#include <stdlib.h>",
adamc@144 2662 newline,
adamc@272 2663 string "#include <string.h>",
adamc@272 2664 newline,
adamc@390 2665 string "#include <math.h>",
adamc@390 2666 newline,
adamc@432 2667 if hasDb then
adamc@432 2668 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2669 newline]
adamc@432 2670 else
adamc@432 2671 box [],
adamc@144 2672 newline,
adamc@378 2673 string "#include \"",
adamc@378 2674 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2675 file = "urweb.h"}),
adamc@378 2676 string "\"",
adamc@101 2677 newline,
adamc@101 2678 newline,
adamc@101 2679 p_list_sep newline (fn x => x) pds,
adamc@101 2680 newline,
adamc@311 2681 string "int uw_inputs_len = ",
adamc@144 2682 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2683 string ";",
adamc@144 2684 newline,
adamc@144 2685 newline,
adamc@311 2686 string "int uw_input_num(char *name) {",
adamc@144 2687 newline,
adamc@144 2688 makeSwitch (fnums, 0),
adamc@144 2689 string "}",
adamc@144 2690 newline,
adamc@144 2691 newline,
adamc@311 2692 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2693 newline,
adamc@569 2694 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 2695 newline,
adamc@569 2696 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 2697 newline,
adamc@569 2698 string "uw_write(ctx, jslib);",
adamc@569 2699 newline,
adamc@569 2700 string "return;",
adamc@569 2701 newline],
adamc@569 2702 string "}",
adamc@569 2703 newline,
adamc@101 2704 p_list_sep newline (fn x => x) pds',
adamc@101 2705 newline,
adamc@387 2706 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2707 newline,
adamc@101 2708 string "}",
adamc@275 2709 newline,
adamc@275 2710 newline,
adamc@432 2711 if hasDb then
adamc@432 2712 validate
adamc@432 2713 else
adamc@432 2714 box [],
adamc@376 2715 newline,
adamc@376 2716 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2717 box []
adamc@376 2718 else
adamc@376 2719 box [newline,
adamc@376 2720 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2721 newline,
adamc@424 2722 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2723 newline,
adamc@424 2724 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2725 newline,
adamc@424 2726 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@376 2727 newline]]
adamc@29 2728 end
adamc@29 2729
adamc@274 2730 fun p_sql env (ds, _) =
adamc@274 2731 let
adamc@274 2732 val (pps, _) = ListUtil.foldlMap
adamc@274 2733 (fn (dAll as (d, _), env) =>
adamc@274 2734 let
adamc@274 2735 val pp = case d of
adamc@274 2736 DTable (s, xts) =>
adamc@274 2737 box [string "CREATE TABLE ",
adamc@274 2738 string s,
adamc@274 2739 string "(",
adamc@274 2740 p_list (fn (x, t) =>
adamc@311 2741 box [string "uw_",
adamc@275 2742 string (CharVector.map Char.toLower x),
adamc@274 2743 space,
adamc@467 2744 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@274 2745 string ");",
adamc@274 2746 newline,
adamc@274 2747 newline]
adamc@338 2748 | DSequence s =>
adamc@338 2749 box [string "CREATE SEQUENCE ",
adamc@338 2750 string s,
adamc@338 2751 string ";",
adamc@338 2752 newline,
adamc@338 2753 newline]
adamc@274 2754 | _ => box []
adamc@274 2755 in
adamc@274 2756 (pp, E.declBinds env dAll)
adamc@274 2757 end)
adamc@274 2758 env ds
adamc@274 2759 in
adamc@274 2760 box pps
adamc@274 2761 end
adamc@274 2762
adamc@29 2763 end