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annotate src/cjr_print.sml @ 639:9da62680adc5

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RPC returning an option datatype
author Adam Chlipala <adamc@hcoop.net>
date Sun, 08 Mar 2009 12:54:07 -0400
parents 3ee6bb48f6e8
children 63b0bcacd535
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@610 1007 | TDatatype (Default, i, _) => box []
adamc@610 1008 (*if IS.member (rf, i) then
adamc@610 1009 box [string "unurlify_",
adamc@610 1010 string (Int.toString i),
adamc@610 1011 string "()"]
adamc@610 1012 else
adamc@610 1013 let
adamc@610 1014 val (x, xncs) = E.lookupDatatype env i
adamc@610 1015
adamc@610 1016 val rf = IS.add (rf, i)
adamc@610 1017
adamc@610 1018 fun doEm xncs =
adamc@610 1019 case xncs of
adamc@610 1020 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype "
adamc@610 1021 ^ x ^ "\"), NULL)")
adamc@610 1022 | (x', n, to) :: rest =>
adamc@610 1023 box [string "((!strncmp(request, \"",
adamc@610 1024 string x',
adamc@610 1025 string "\", ",
adamc@610 1026 string (Int.toString (size x')),
adamc@610 1027 string ") && (request[",
adamc@610 1028 string (Int.toString (size x')),
adamc@610 1029 string "] == 0 || request[",
adamc@610 1030 string (Int.toString (size x')),
adamc@610 1031 string "] == '/')) ? ({",
adamc@610 1032 newline,
adamc@610 1033 string "struct",
adamc@610 1034 space,
adamc@610 1035 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@610 1036 space,
adamc@610 1037 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@610 1038 string x,
adamc@610 1039 string "_",
adamc@610 1040 string (Int.toString i),
adamc@610 1041 string "));",
adamc@610 1042 newline,
adamc@610 1043 string "tmp->tag",
adamc@610 1044 space,
adamc@610 1045 string "=",
adamc@610 1046 space,
adamc@610 1047 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@610 1048 string ";",
adamc@610 1049 newline,
adamc@610 1050 string "request",
adamc@610 1051 space,
adamc@610 1052 string "+=",
adamc@610 1053 space,
adamc@610 1054 string (Int.toString (size x')),
adamc@610 1055 string ";",
adamc@610 1056 newline,
adamc@610 1057 string "if (request[0] == '/') ++request;",
adamc@610 1058 newline,
adamc@610 1059 case to of
adamc@610 1060 NONE => box []
adamc@610 1061 | SOME (t, _) => box [string "tmp->data.uw_",
adamc@610 1062 p_ident x',
adamc@610 1063 space,
adamc@610 1064 string "=",
adamc@610 1065 space,
adamc@610 1066 unurlify' rf t,
adamc@610 1067 string ";",
adamc@610 1068 newline],
adamc@610 1069 string "tmp;",
adamc@610 1070 newline,
adamc@610 1071 string "})",
adamc@610 1072 space,
adamc@610 1073 string ":",
adamc@610 1074 space,
adamc@610 1075 doEm rest,
adamc@610 1076 string ")"]
adamc@610 1077 in
adamc@610 1078 box [string "({",
adamc@610 1079 space,
adamc@610 1080 p_typ env (t, ErrorMsg.dummySpan),
adamc@610 1081 space,
adamc@610 1082 string "unurlify_",
adamc@610 1083 string (Int.toString i),
adamc@610 1084 string "(void) {",
adamc@610 1085 newline,
adamc@610 1086 box [string "return",
adamc@610 1087 space,
adamc@610 1088 doEm xncs,
adamc@610 1089 string ";",
adamc@610 1090 newline],
adamc@610 1091 string "}",
adamc@610 1092 newline,
adamc@610 1093 newline,
adamc@610 1094
adamc@610 1095 string "unurlify_",
adamc@610 1096 string (Int.toString i),
adamc@610 1097 string "();",
adamc@610 1098 newline,
adamc@610 1099 string "})"]
adamc@610 1100 end*)
adamc@610 1101
adamc@610 1102 | TOption t => box []
adamc@610 1103 (*box [string "(request[0] == '/' ? ++request : request, ",
adamc@610 1104 string "((!strncmp(request, \"None\", 4) ",
adamc@610 1105 string "&& (request[4] == 0 || request[4] == '/')) ",
adamc@610 1106 string "? (request += 4, NULL) ",
adamc@610 1107 string ": ((!strncmp(request, \"Some\", 4) ",
adamc@610 1108 string "&& request[4] == '/') ",
adamc@610 1109 string "? (request += 5, ",
adamc@610 1110 if isUnboxable t then
adamc@610 1111 unurlify' rf (#1 t)
adamc@610 1112 else
adamc@610 1113 box [string "({",
adamc@610 1114 newline,
adamc@610 1115 p_typ env t,
adamc@610 1116 space,
adamc@610 1117 string "*tmp",
adamc@610 1118 space,
adamc@610 1119 string "=",
adamc@610 1120 space,
adamc@610 1121 string "uw_malloc(ctx, sizeof(",
adamc@610 1122 p_typ env t,
adamc@610 1123 string "));",
adamc@610 1124 newline,
adamc@610 1125 string "*tmp",
adamc@610 1126 space,
adamc@610 1127 string "=",
adamc@610 1128 space,
adamc@610 1129 unurlify' rf (#1 t),
adamc@610 1130 string ";",
adamc@610 1131 newline,
adamc@610 1132 string "tmp;",
adamc@610 1133 newline,
adamc@610 1134 string "})"],
adamc@610 1135 string ") :",
adamc@610 1136 space,
adamc@610 1137 string "(uw_error(ctx, FATAL, \"Error unurlifying option type\"), NULL))))"]*)
adamc@610 1138
adamc@610 1139 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL encoding function";
adamc@610 1140 space)
adamc@610 1141 in
adamc@610 1142 urlify' IS.empty 0 t
adamc@610 1143 end
adamc@610 1144
adamc@182 1145 fun p_exp' par env (e, loc) =
adamc@29 1146 case e of
adamc@276 1147 EPrim p => Prim.p_t_GCC p
adamc@29 1148 | ERel n => p_rel env n
adamc@109 1149 | ENamed n => p_enamed env n
adamc@188 1150 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 1151 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 1152 | ECon (Option, pc, SOME e) =>
adamc@198 1153 let
adamc@198 1154 val to = case pc of
adamc@198 1155 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 1156 | PConFfi {arg, ...} => arg
adamc@198 1157
adamc@198 1158 val t = case to of
adamc@198 1159 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 1160 | SOME t => t
adamc@198 1161 in
adamc@463 1162 if isUnboxable t then
adamc@463 1163 p_exp' par env e
adamc@463 1164 else
adamc@463 1165 box [string "({",
adamc@463 1166 newline,
adamc@463 1167 p_typ env t,
adamc@463 1168 space,
adamc@463 1169 string "*tmp",
adamc@463 1170 space,
adamc@463 1171 string "=",
adamc@463 1172 space,
adamc@463 1173 string "uw_malloc(ctx, sizeof(",
adamc@463 1174 p_typ env t,
adamc@463 1175 string "));",
adamc@463 1176 newline,
adamc@463 1177 string "*tmp",
adamc@463 1178 space,
adamc@463 1179 string "=",
adamc@463 1180 p_exp' par env e,
adamc@463 1181 string ";",
adamc@463 1182 newline,
adamc@463 1183 string "tmp;",
adamc@463 1184 newline,
adamc@463 1185 string "})"]
adamc@198 1186 end
adamc@188 1187 | ECon (Default, pc, eo) =>
adamc@181 1188 let
adamc@196 1189 val (xd, xc, xn) = patConInfo env pc
adamc@181 1190 in
adamc@182 1191 box [string "({",
adamc@181 1192 newline,
adamc@181 1193 string "struct",
adamc@181 1194 space,
adamc@185 1195 string xd,
adamc@181 1196 space,
adamc@181 1197 string "*tmp",
adamc@181 1198 space,
adamc@181 1199 string "=",
adamc@181 1200 space,
adamc@311 1201 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 1202 string xd,
adamc@181 1203 string "));",
adamc@181 1204 newline,
adamc@181 1205 string "tmp->tag",
adamc@181 1206 space,
adamc@181 1207 string "=",
adamc@181 1208 space,
adamc@185 1209 string xc,
adamc@181 1210 string ";",
adamc@181 1211 newline,
adamc@181 1212 case eo of
adamc@181 1213 NONE => box []
adamc@185 1214 | SOME e => box [string "tmp->data.",
adamc@196 1215 string xn,
adamc@181 1216 space,
adamc@181 1217 string "=",
adamc@181 1218 space,
adamc@181 1219 p_exp env e,
adamc@181 1220 string ";",
adamc@181 1221 newline],
adamc@181 1222 string "tmp;",
adamc@181 1223 newline,
adamc@181 1224 string "})"]
adamc@181 1225 end
adamc@297 1226 | ENone _ => string "NULL"
adamc@290 1227 | ESome (t, e) =>
adamc@463 1228 if isUnboxable t then
adamc@463 1229 p_exp' par env e
adamc@463 1230 else
adamc@463 1231 box [string "({",
adamc@463 1232 newline,
adamc@463 1233 p_typ env t,
adamc@463 1234 space,
adamc@463 1235 string "*tmp",
adamc@463 1236 space,
adamc@463 1237 string "=",
adamc@463 1238 space,
adamc@463 1239 string "uw_malloc(ctx, sizeof(",
adamc@463 1240 p_typ env t,
adamc@463 1241 string "));",
adamc@463 1242 newline,
adamc@463 1243 string "*tmp",
adamc@463 1244 space,
adamc@463 1245 string "=",
adamc@463 1246 p_exp' par env e,
adamc@463 1247 string ";",
adamc@463 1248 newline,
adamc@463 1249 string "tmp;",
adamc@463 1250 newline,
adamc@463 1251 string "})"]
adamc@109 1252
adamc@316 1253 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 1254 | EError (e, t) =>
adamc@283 1255 box [string "({",
adamc@283 1256 newline,
adamc@283 1257 p_typ env t,
adamc@283 1258 space,
adamc@283 1259 string "tmp;",
adamc@283 1260 newline,
adamc@311 1261 string "uw_error(ctx, FATAL, \"",
adamc@292 1262 string (ErrorMsg.spanToString loc),
adamc@292 1263 string ": %s\", ",
adamc@283 1264 p_exp env e,
adamc@283 1265 string ");",
adamc@283 1266 newline,
adamc@283 1267 string "tmp;",
adamc@283 1268 newline,
adamc@283 1269 string "})"]
adamc@476 1270 | EApp ((EError (e, (TFun (_, ran), _)), loc), _) =>
adamc@476 1271 p_exp env (EError (e, ran), loc)
adamc@476 1272
adamc@311 1273 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 1274 p_ident m,
adamc@53 1275 string "_",
adamc@316 1276 p_ident x,
adamc@117 1277 string "(ctx, ",
adamc@53 1278 p_list (p_exp env) es,
adamc@53 1279 string ")"]
adamc@316 1280 | EApp (f, args) =>
adamc@316 1281 parenIf par (box [p_exp' true env f,
adamc@316 1282 string "(ctx,",
adamc@316 1283 space,
adamc@316 1284 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 1285 string ")"])
adamc@29 1286
adamc@387 1287 | EUnop (s, e1) =>
adamc@387 1288 parenIf par (box [string s,
adamc@387 1289 space,
adamc@387 1290 p_exp' true env e1])
adamc@387 1291
adamc@387 1292 | EBinop (s, e1, e2) =>
adamc@389 1293 if Char.isAlpha (String.sub (s, size s - 1)) then
adamc@389 1294 box [string s,
adamc@390 1295 string "(",
adamc@389 1296 p_exp env e1,
adamc@389 1297 string ",",
adamc@389 1298 space,
adamc@389 1299 p_exp env e2,
adamc@389 1300 string ")"]
adamc@389 1301 else
adamc@389 1302 parenIf par (box [p_exp' true env e1,
adamc@389 1303 space,
adamc@389 1304 string s,
adamc@389 1305 space,
adamc@389 1306 p_exp' true env e2])
adamc@387 1307
adamc@29 1308 | ERecord (i, xes) => box [string "({",
adamc@29 1309 space,
adamc@29 1310 string "struct",
adamc@29 1311 space,
adamc@311 1312 string ("__uws_" ^ Int.toString i),
adamc@29 1313 space,
adamc@181 1314 string "tmp",
adamc@29 1315 space,
adamc@29 1316 string "=",
adamc@29 1317 space,
adamc@29 1318 string "{",
adamc@29 1319 p_list (fn (_, e) =>
adamc@29 1320 p_exp env e) xes,
adamc@29 1321 string "};",
adamc@29 1322 space,
adamc@181 1323 string "tmp;",
adamc@29 1324 space,
adamc@29 1325 string "})" ]
adamc@29 1326 | EField (e, x) =>
adamc@29 1327 box [p_exp' true env e,
adamc@311 1328 string ".__uwf_",
adamc@316 1329 p_ident x]
adamc@29 1330
adamc@182 1331 | ECase (e, pes, {disc, result}) =>
adamc@182 1332 let
adamc@182 1333 val final = newGoto ()
adamc@182 1334
adamc@182 1335 val body = foldl (fn ((p, e), body) =>
adamc@182 1336 let
adamc@182 1337 val exit = newGoto ()
adamc@182 1338 val (pr, _) = p_pat_preamble env p
adamc@182 1339 val (p, env) = p_pat (env,
adamc@182 1340 box [string "goto",
adamc@182 1341 space,
adamc@182 1342 exit,
adamc@182 1343 string ";"],
adamc@182 1344 0) p
adamc@182 1345 in
adamc@182 1346 box [body,
adamc@182 1347 box [string "{",
adamc@182 1348 newline,
adamc@182 1349 pr,
adamc@182 1350 newline,
adamc@182 1351 p,
adamc@182 1352 newline,
adamc@182 1353 string "result",
adamc@182 1354 space,
adamc@182 1355 string "=",
adamc@182 1356 space,
adamc@182 1357 p_exp env e,
adamc@182 1358 string ";",
adamc@182 1359 newline,
adamc@182 1360 string "goto",
adamc@182 1361 space,
adamc@182 1362 final,
adamc@182 1363 string ";",
adamc@182 1364 newline,
adamc@182 1365 string "}"],
adamc@182 1366 newline,
adamc@182 1367 exit,
adamc@182 1368 string ":",
adamc@182 1369 newline]
adamc@182 1370 end) (box []) pes
adamc@182 1371 in
adamc@182 1372 box [string "({",
adamc@182 1373 newline,
adamc@182 1374 p_typ env disc,
adamc@182 1375 space,
adamc@182 1376 string "disc0",
adamc@182 1377 space,
adamc@182 1378 string "=",
adamc@182 1379 space,
adamc@182 1380 p_exp env e,
adamc@182 1381 string ";",
adamc@182 1382 newline,
adamc@182 1383 p_typ env result,
adamc@182 1384 space,
adamc@182 1385 string "result;",
adamc@182 1386 newline,
adamc@182 1387 body,
adamc@311 1388 string "uw_error(ctx, FATAL, \"",
adamc@182 1389 string (ErrorMsg.spanToString loc),
adamc@182 1390 string ": pattern match failure\");",
adamc@182 1391 newline,
adamc@182 1392 final,
adamc@182 1393 string ":",
adamc@182 1394 space,
adamc@182 1395 string "result;",
adamc@182 1396 newline,
adamc@182 1397 string "})"]
adamc@182 1398 end
adamc@181 1399
adamc@311 1400 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 1401 p_exp env e,
adamc@311 1402 string "), uw_unit_v)"]
adamc@102 1403
adamc@106 1404 | ESeq (e1, e2) => box [string "(",
adamc@106 1405 p_exp env e1,
adamc@106 1406 string ",",
adamc@106 1407 space,
adamc@106 1408 p_exp env e2,
adamc@106 1409 string ")"]
adamc@269 1410 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 1411 newline,
adamc@269 1412 p_typ env t,
adamc@269 1413 space,
adamc@311 1414 string "__uwr_",
adamc@316 1415 p_ident x,
adamc@272 1416 string "_",
adamc@272 1417 string (Int.toString (E.countERels env)),
adamc@269 1418 space,
adamc@269 1419 string "=",
adamc@269 1420 space,
adamc@269 1421 p_exp env e1,
adamc@269 1422 string ";",
adamc@269 1423 newline,
adamc@269 1424 p_exp (E.pushERel env x t) e2,
adamc@269 1425 string ";",
adamc@269 1426 newline,
adamc@269 1427 string "})"]
adamc@269 1428
adamc@282 1429 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 1430 let
adamc@316 1431 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 1432 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 1433 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 1434 tables
adamc@638 1435
adamc@278 1436 val outputs = exps @ tables
adamc@325 1437 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 1438
adamc@324 1439 val wontLeakStrings = notLeaky env true state
adamc@324 1440 val wontLeakAnything = notLeaky env false state
adamc@278 1441 in
adamc@324 1442 box [string "(uw_begin_region(ctx), ",
adamc@324 1443 if wontLeakAnything then
adamc@331 1444 string "uw_begin_region(ctx), "
adamc@324 1445 else
adamc@324 1446 box [],
adamc@324 1447 string "({",
adamc@278 1448 newline,
adamc@311 1449 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 1450 newline,
adamc@282 1451 case prepared of
adamc@282 1452 NONE => box [string "char *query = ",
adamc@282 1453 p_exp env query,
adamc@282 1454 string ";",
adamc@282 1455 newline]
adamc@282 1456 | SOME _ =>
adamc@282 1457 let
adamc@282 1458 val ets = getPargs query
adamc@282 1459 in
adamc@282 1460 box [p_list_sepi newline
adamc@282 1461 (fn i => fn (e, t) =>
adamc@282 1462 box [p_sql_type t,
adamc@282 1463 space,
adamc@282 1464 string "arg",
adamc@282 1465 string (Int.toString (i + 1)),
adamc@282 1466 space,
adamc@282 1467 string "=",
adamc@282 1468 space,
adamc@282 1469 p_exp env e,
adamc@282 1470 string ";"])
adamc@282 1471 ets,
adamc@282 1472 newline,
adamc@282 1473 newline,
adamc@282 1474
adamc@282 1475 string "const char *paramValues[] = { ",
adamc@282 1476 p_list_sepi (box [string ",", space])
adamc@282 1477 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 1478 string (Int.toString (i + 1))]))
adamc@282 1479 ets,
adamc@282 1480 string " };",
adamc@282 1481 newline,
adamc@282 1482 newline]
adamc@282 1483 end,
adamc@278 1484 string "int n, i;",
adamc@278 1485 newline,
adamc@278 1486 p_typ env state,
adamc@278 1487 space,
adamc@278 1488 string "acc",
adamc@278 1489 space,
adamc@278 1490 string "=",
adamc@278 1491 space,
adamc@278 1492 p_exp env initial,
adamc@278 1493 string ";",
adamc@278 1494 newline,
adamc@282 1495 string "PGresult *res = ",
adamc@282 1496 case prepared of
adamc@295 1497 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1498 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 1499 string (Int.toString n),
adamc@282 1500 string "\", ",
adamc@282 1501 string (Int.toString (length (getPargs query))),
adamc@295 1502 string ", paramValues, NULL, NULL, 0);"],
adamc@278 1503 newline,
adamc@278 1504 newline,
adamc@277 1505
adamc@311 1506 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 1507 newline,
adamc@278 1508 newline,
adamc@277 1509
adamc@278 1510 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 1511 newline,
adamc@278 1512 box [string "PQclear(res);",
adamc@278 1513 newline,
adamc@311 1514 string "uw_error(ctx, FATAL, \"",
adamc@278 1515 string (ErrorMsg.spanToString loc),
adamc@282 1516 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 1517 case prepared of
adamc@282 1518 NONE => string "query"
adamc@282 1519 | SOME _ => p_exp env query,
adamc@282 1520 string ", PQerrorMessage(conn));",
adamc@278 1521 newline],
adamc@278 1522 string "}",
adamc@278 1523 newline,
adamc@278 1524 newline,
adamc@277 1525
adamc@323 1526 string "uw_end_region(ctx);",
adamc@323 1527 newline,
adamc@425 1528 string "uw_push_cleanup(ctx, (void (*)(void *))PQclear, res);",
adamc@425 1529 newline,
adamc@278 1530 string "n = PQntuples(res);",
adamc@278 1531 newline,
adamc@278 1532 string "for (i = 0; i < n; ++i) {",
adamc@278 1533 newline,
adamc@278 1534 box [string "struct",
adamc@278 1535 space,
adamc@311 1536 string "__uws_",
adamc@278 1537 string (Int.toString rnum),
adamc@278 1538 space,
adamc@311 1539 string "__uwr_r_",
adamc@278 1540 string (Int.toString (E.countERels env)),
adamc@278 1541 string ";",
adamc@278 1542 newline,
adamc@278 1543 p_typ env state,
adamc@278 1544 space,
adamc@311 1545 string "__uwr_acc_",
adamc@278 1546 string (Int.toString (E.countERels env + 1)),
adamc@278 1547 space,
adamc@278 1548 string "=",
adamc@278 1549 space,
adamc@278 1550 string "acc;",
adamc@278 1551 newline,
adamc@278 1552 newline,
adamc@278 1553
adamc@278 1554 p_list_sepi (box []) (fn i =>
adamc@278 1555 fn (proj, t) =>
adamc@311 1556 box [string "__uwr_r_",
adamc@278 1557 string (Int.toString (E.countERels env)),
adamc@278 1558 string ".",
adamc@278 1559 string proj,
adamc@278 1560 space,
adamc@278 1561 string "=",
adamc@278 1562 space,
adamc@467 1563 p_getcol wontLeakStrings env t i,
adamc@278 1564 string ";",
adamc@278 1565 newline]) outputs,
adamc@278 1566
adamc@278 1567 newline,
adamc@278 1568 newline,
adamc@278 1569
adamc@278 1570 string "acc",
adamc@278 1571 space,
adamc@278 1572 string "=",
adamc@278 1573 space,
adamc@278 1574 p_exp (E.pushERel
adamc@278 1575 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 1576 "acc" state)
adamc@278 1577 body,
adamc@278 1578 string ";",
adamc@278 1579 newline],
adamc@278 1580 string "}",
adamc@278 1581 newline,
adamc@278 1582 newline,
adamc@425 1583 string "uw_pop_cleanup(ctx);",
adamc@278 1584 newline,
adamc@324 1585 if wontLeakAnything then
adamc@324 1586 box [string "uw_end_region(ctx);",
adamc@324 1587 newline]
adamc@324 1588 else
adamc@324 1589 box [],
adamc@278 1590 string "acc;",
adamc@278 1591 newline,
adamc@323 1592 string "}))"]
adamc@278 1593 end
adamc@106 1594
adamc@307 1595 | EDml {dml, prepared} =>
adamc@337 1596 box [string "(uw_begin_region(ctx), ({",
adamc@307 1597 newline,
adamc@311 1598 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 1599 newline,
adamc@307 1600 case prepared of
adamc@307 1601 NONE => box [string "char *dml = ",
adamc@307 1602 p_exp env dml,
adamc@307 1603 string ";",
adamc@307 1604 newline]
adamc@307 1605 | SOME _ =>
adamc@307 1606 let
adamc@307 1607 val ets = getPargs dml
adamc@307 1608 in
adamc@307 1609 box [p_list_sepi newline
adamc@307 1610 (fn i => fn (e, t) =>
adamc@307 1611 box [p_sql_type t,
adamc@307 1612 space,
adamc@307 1613 string "arg",
adamc@307 1614 string (Int.toString (i + 1)),
adamc@307 1615 space,
adamc@307 1616 string "=",
adamc@307 1617 space,
adamc@307 1618 p_exp env e,
adamc@307 1619 string ";"])
adamc@307 1620 ets,
adamc@307 1621 newline,
adamc@307 1622 newline,
adamc@307 1623
adamc@307 1624 string "const char *paramValues[] = { ",
adamc@307 1625 p_list_sepi (box [string ",", space])
adamc@307 1626 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 1627 string (Int.toString (i + 1))]))
adamc@307 1628 ets,
adamc@307 1629 string " };",
adamc@307 1630 newline,
adamc@307 1631 newline]
adamc@307 1632 end,
adamc@307 1633 newline,
adamc@307 1634 newline,
adamc@307 1635 string "PGresult *res = ",
adamc@307 1636 case prepared of
adamc@307 1637 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 1638 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 1639 string (Int.toString n),
adamc@307 1640 string "\", ",
adamc@307 1641 string (Int.toString (length (getPargs dml))),
adamc@307 1642 string ", paramValues, NULL, NULL, 0);"],
adamc@307 1643 newline,
adamc@307 1644 newline,
adamc@307 1645
adamc@311 1646 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 1647 newline,
adamc@307 1648 newline,
adamc@307 1649
adamc@307 1650 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 1651 newline,
adamc@307 1652 box [string "PQclear(res);",
adamc@307 1653 newline,
adamc@311 1654 string "uw_error(ctx, FATAL, \"",
adamc@307 1655 string (ErrorMsg.spanToString loc),
adamc@307 1656 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 1657 case prepared of
adamc@307 1658 NONE => string "dml"
adamc@307 1659 | SOME _ => p_exp env dml,
adamc@307 1660 string ", PQerrorMessage(conn));",
adamc@307 1661 newline],
adamc@307 1662 string "}",
adamc@307 1663 newline,
adamc@307 1664 newline,
adamc@307 1665
adamc@307 1666 string "PQclear(res);",
adamc@307 1667 newline,
adamc@337 1668 string "uw_end_region(ctx);",
adamc@337 1669 newline,
adamc@311 1670 string "uw_unit_v;",
adamc@307 1671 newline,
adamc@337 1672 string "}))"]
adamc@307 1673
adamc@338 1674 | ENextval {seq, prepared} =>
adamc@338 1675 let
adamc@486 1676 val query = case seq of
adamc@486 1677 (EPrim (Prim.String s), loc) =>
adamc@486 1678 (EPrim (Prim.String ("SELECT NEXTVAL('" ^ s ^ "')")), loc)
adamc@486 1679 | _ =>
adamc@486 1680 let
adamc@486 1681 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@486 1682 in
adamc@486 1683 (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@486 1684 end
adamc@338 1685 in
adamc@338 1686 box [string "(uw_begin_region(ctx), ",
adamc@338 1687 string "({",
adamc@338 1688 newline,
adamc@338 1689 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1690 newline,
adamc@338 1691 case prepared of
adamc@338 1692 NONE => box [string "char *query = ",
adamc@338 1693 p_exp env query,
adamc@338 1694 string ";",
adamc@338 1695 newline]
adamc@338 1696 | SOME _ =>
adamc@338 1697 box [],
adamc@338 1698 newline,
adamc@338 1699 string "PGresult *res = ",
adamc@338 1700 case prepared of
adamc@338 1701 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1702 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1703 string (Int.toString n),
adamc@338 1704 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1705 newline,
adamc@338 1706 string "uw_Basis_int n;",
adamc@338 1707 newline,
adamc@338 1708 newline,
adamc@338 1709
adamc@338 1710 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1711 newline,
adamc@338 1712 newline,
adamc@338 1713
adamc@338 1714 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1715 newline,
adamc@338 1716 box [string "PQclear(res);",
adamc@338 1717 newline,
adamc@338 1718 string "uw_error(ctx, FATAL, \"",
adamc@338 1719 string (ErrorMsg.spanToString loc),
adamc@338 1720 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1721 case prepared of
adamc@338 1722 NONE => string "query"
adamc@338 1723 | SOME _ => p_exp env query,
adamc@338 1724 string ", PQerrorMessage(conn));",
adamc@338 1725 newline],
adamc@338 1726 string "}",
adamc@338 1727 newline,
adamc@338 1728 newline,
adamc@338 1729
adamc@338 1730 string "uw_end_region(ctx);",
adamc@338 1731 newline,
adamc@338 1732 string "n = PQntuples(res);",
adamc@338 1733 newline,
adamc@338 1734 string "if (n != 1) {",
adamc@338 1735 newline,
adamc@338 1736 box [string "PQclear(res);",
adamc@338 1737 newline,
adamc@338 1738 string "uw_error(ctx, FATAL, \"",
adamc@338 1739 string (ErrorMsg.spanToString loc),
adamc@338 1740 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1741 case prepared of
adamc@338 1742 NONE => string "query"
adamc@338 1743 | SOME _ => p_exp env query,
adamc@338 1744 string ", PQerrorMessage(conn));",
adamc@338 1745 newline],
adamc@338 1746 string "}",
adamc@338 1747 newline,
adamc@338 1748 newline,
adamc@338 1749
adamc@338 1750 string "n = ",
adamc@338 1751 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1752 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1753 string ";",
adamc@338 1754 newline,
adamc@338 1755 string "PQclear(res);",
adamc@338 1756 newline,
adamc@338 1757 string "n;",
adamc@338 1758 newline,
adamc@338 1759 string "}))"]
adamc@338 1760 end
adamc@338 1761
adamc@463 1762 | EUnurlify (e, t) =>
adamc@463 1763 let
adamc@463 1764 fun getIt () =
adamc@463 1765 if isUnboxable t then
adamc@463 1766 unurlify env t
adamc@463 1767 else
adamc@463 1768 box [string "({",
adamc@463 1769 newline,
adamc@463 1770 p_typ env t,
adamc@463 1771 string " *tmp = uw_malloc(ctx, sizeof(",
adamc@463 1772 p_typ env t,
adamc@463 1773 string "));",
adamc@463 1774 newline,
adamc@463 1775 string "*tmp = ",
adamc@463 1776 unurlify env t,
adamc@463 1777 string ";",
adamc@463 1778 newline,
adamc@463 1779 string "tmp;",
adamc@463 1780 newline,
adamc@463 1781 string "})"]
adamc@463 1782 in
adamc@463 1783 box [string "({",
adamc@463 1784 newline,
adamc@493 1785 string "uw_Basis_string request = uw_Basis_maybe_strdup(ctx, ",
adamc@463 1786 p_exp env e,
adamc@492 1787 string ");",
adamc@463 1788 newline,
adamc@463 1789 newline,
adamc@463 1790 string "(request ? ",
adamc@463 1791 getIt (),
adamc@463 1792 string " : NULL);",
adamc@463 1793 newline,
adamc@463 1794 string "})"]
adamc@463 1795 end
adamc@463 1796
adamc@29 1797 and p_exp env = p_exp' false env
adamc@29 1798
adamc@129 1799 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1800 let
adamc@129 1801 val nargs = length args
adamc@129 1802 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1803 in
adamc@129 1804 box [string "static",
adamc@129 1805 space,
adamc@129 1806 p_typ env ran,
adamc@129 1807 space,
adamc@316 1808 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1809 string "(",
adamc@129 1810 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1811 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1812 box [p_typ env dom,
adamc@129 1813 space,
adamc@129 1814 p_rel env' (nargs - i - 1)]) args),
adamc@129 1815 string ")",
adamc@129 1816 space,
adamc@129 1817 string "{",
adamc@129 1818 newline,
adamc@638 1819 box [string "return(",
adamc@638 1820 p_exp env' e,
adamc@638 1821 string ");"],
adamc@129 1822 newline,
adamc@129 1823 string "}"]
adamc@129 1824 end
adamc@129 1825
adamc@129 1826 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1827 case d of
adamc@29 1828 DStruct (n, xts) =>
adamc@196 1829 let
adamc@196 1830 val env = E.declBinds env dAll
adamc@196 1831 in
adamc@196 1832 box [string "struct",
adamc@196 1833 space,
adamc@311 1834 string ("__uws_" ^ Int.toString n),
adamc@196 1835 space,
adamc@196 1836 string "{",
adamc@196 1837 newline,
adamc@196 1838 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1839 space,
adamc@311 1840 string "__uwf_",
adamc@316 1841 p_ident x,
adamc@196 1842 string ";",
adamc@196 1843 newline]) xts,
adamc@196 1844 string "};"]
adamc@196 1845 end
adamc@188 1846 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1847 box [string "enum",
adamc@188 1848 space,
adamc@316 1849 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1850 space,
adamc@188 1851 string "{",
adamc@188 1852 space,
adamc@316 1853 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1854 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1855 space,
adamc@188 1856 string "};"]
adamc@198 1857 | DDatatype (Option, _, _, _) => box []
adamc@188 1858 | DDatatype (Default, x, n, xncs) =>
adamc@165 1859 let
adamc@165 1860 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1861 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1862 in
adamc@165 1863 box [string "enum",
adamc@165 1864 space,
adamc@316 1865 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1866 space,
adamc@165 1867 string "{",
adamc@165 1868 space,
adamc@316 1869 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1870 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1871 space,
adamc@165 1872 string "};",
adamc@165 1873 newline,
adamc@165 1874 newline,
adamc@165 1875 string "struct",
adamc@165 1876 space,
adamc@316 1877 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1878 space,
adamc@165 1879 string "{",
adamc@165 1880 newline,
adamc@165 1881 string "enum",
adamc@165 1882 space,
adamc@316 1883 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1884 space,
adamc@165 1885 string "tag;",
adamc@165 1886 newline,
adamc@165 1887 box (case xncsArgs of
adamc@165 1888 [] => []
adamc@165 1889 | _ => [string "union",
adamc@165 1890 space,
adamc@165 1891 string "{",
adamc@165 1892 newline,
adamc@165 1893 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1894 space,
adamc@316 1895 string ("uw_" ^ ident x),
adamc@165 1896 string ";"]) xncsArgs,
adamc@165 1897 newline,
adamc@165 1898 string "}",
adamc@165 1899 space,
adamc@165 1900 string "data;",
adamc@165 1901 newline]),
adamc@165 1902 string "};"]
adamc@188 1903 end
adamc@29 1904
adamc@196 1905 | DDatatypeForward _ => box []
adamc@196 1906
adamc@29 1907 | DVal (x, n, t, e) =>
adamc@29 1908 box [p_typ env t,
adamc@29 1909 space,
adamc@316 1910 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1911 space,
adamc@29 1912 string "=",
adamc@29 1913 space,
adamc@29 1914 p_exp env e,
adamc@29 1915 string ";"]
adamc@129 1916 | DFun vi => p_fun env vi
adamc@129 1917 | DFunRec vis =>
adamc@29 1918 let
adamc@129 1919 val env = E.declBinds env dAll
adamc@29 1920 in
adamc@129 1921 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1922 box [string "static",
adamc@129 1923 space,
adamc@129 1924 p_typ env ran,
adamc@129 1925 space,
adamc@316 1926 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1927 string "(uw_context,",
adamc@129 1928 space,
adamc@129 1929 p_list_sep (box [string ",", space])
adamc@129 1930 (fn (_, dom) => p_typ env dom) args,
adamc@129 1931 string ");"]) vis,
adamc@29 1932 newline,
adamc@129 1933 p_list_sep newline (p_fun env) vis,
adamc@129 1934 newline]
adamc@29 1935 end
adamc@273 1936 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1937 string x,
adamc@273 1938 string " */",
adamc@273 1939 newline]
adamc@338 1940 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1941 string x,
adamc@338 1942 string " */",
adamc@338 1943 newline]
adamc@311 1944 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1945 newline,
adamc@311 1946 string "static void uw_db_prepare(uw_context);",
adamc@282 1947 newline,
adamc@275 1948 newline,
adamc@311 1949 string "void uw_db_init(uw_context ctx) {",
adamc@273 1950 newline,
adamc@272 1951 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1952 string (String.toString s),
adamc@272 1953 string "\");",
adamc@272 1954 newline,
adamc@311 1955 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1956 string "\"libpq can't allocate a connection.\");",
adamc@272 1957 newline,
adamc@272 1958 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1959 newline,
adamc@272 1960 box [string "char msg[1024];",
adamc@272 1961 newline,
adamc@272 1962 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1963 newline,
adamc@272 1964 string "msg[1023] = 0;",
adamc@272 1965 newline,
adamc@272 1966 string "PQfinish(conn);",
adamc@272 1967 newline,
adamc@311 1968 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1969 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1970 newline,
adamc@272 1971 string "}",
adamc@272 1972 newline,
adamc@311 1973 string "uw_set_db(ctx, conn);",
adamc@272 1974 newline,
adamc@311 1975 string "uw_db_validate(ctx);",
adamc@275 1976 newline,
adamc@311 1977 string "uw_db_prepare(ctx);",
adamc@282 1978 newline,
adamc@272 1979 string "}",
adamc@272 1980 newline,
adamc@272 1981 newline,
adamc@311 1982 string "void uw_db_close(uw_context ctx) {",
adamc@272 1983 newline,
adamc@311 1984 string "PQfinish(uw_get_db(ctx));",
adamc@272 1985 newline,
adamc@272 1986 string "}",
adamc@424 1987 newline,
adamc@424 1988 newline,
adamc@424 1989
adamc@424 1990 string "int uw_db_begin(uw_context ctx) {",
adamc@424 1991 newline,
adamc@424 1992 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 1993 newline,
adamc@424 1994 string "PGresult *res = PQexec(conn, \"BEGIN\");",
adamc@424 1995 newline,
adamc@424 1996 newline,
adamc@424 1997 string "if (res == NULL) return 1;",
adamc@424 1998 newline,
adamc@424 1999 newline,
adamc@424 2000 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2001 box [string "PQclear(res);",
adamc@424 2002 newline,
adamc@424 2003 string "return 1;",
adamc@424 2004 newline],
adamc@424 2005 string "}",
adamc@424 2006 newline,
adamc@424 2007 string "return 0;",
adamc@424 2008 newline,
adamc@424 2009 string "}",
adamc@424 2010 newline,
adamc@424 2011 newline,
adamc@424 2012
adamc@424 2013 string "int uw_db_commit(uw_context ctx) {",
adamc@424 2014 newline,
adamc@424 2015 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 2016 newline,
adamc@424 2017 string "PGresult *res = PQexec(conn, \"COMMIT\");",
adamc@424 2018 newline,
adamc@424 2019 newline,
adamc@424 2020 string "if (res == NULL) return 1;",
adamc@424 2021 newline,
adamc@424 2022 newline,
adamc@424 2023 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2024 box [string "PQclear(res);",
adamc@424 2025 newline,
adamc@424 2026 string "return 1;",
adamc@424 2027 newline],
adamc@424 2028 string "}",
adamc@424 2029 newline,
adamc@424 2030 string "return 0;",
adamc@424 2031 newline,
adamc@424 2032 string "}",
adamc@424 2033 newline,
adamc@424 2034 newline,
adamc@424 2035
adamc@424 2036 string "int uw_db_rollback(uw_context ctx) {",
adamc@424 2037 newline,
adamc@424 2038 string "PGconn *conn = uw_get_db(ctx);",
adamc@424 2039 newline,
adamc@424 2040 string "PGresult *res = PQexec(conn, \"ROLLBACK\");",
adamc@424 2041 newline,
adamc@424 2042 newline,
adamc@424 2043 string "if (res == NULL) return 1;",
adamc@424 2044 newline,
adamc@424 2045 newline,
adamc@424 2046 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@424 2047 box [string "PQclear(res);",
adamc@424 2048 newline,
adamc@424 2049 string "return 1;",
adamc@424 2050 newline],
adamc@424 2051 string "}",
adamc@424 2052 newline,
adamc@424 2053 string "return 0;",
adamc@424 2054 newline,
adamc@424 2055 string "}",
adamc@272 2056 newline]
adamc@29 2057
adamc@467 2058 | DPreparedStatements [] =>
adamc@467 2059 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@467 2060 newline,
adamc@467 2061 string "}"]
adamc@282 2062 | DPreparedStatements ss =>
adamc@311 2063 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 2064 newline,
adamc@311 2065 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 2066 newline,
adamc@282 2067 string "PGresult *res;",
adamc@282 2068 newline,
adamc@282 2069 newline,
adamc@282 2070
adamc@282 2071 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 2072 box [string "res = PQprepare(conn, \"uw",
adamc@282 2073 string (Int.toString i),
adamc@282 2074 string "\", \"",
adamc@282 2075 string (String.toString s),
adamc@282 2076 string "\", ",
adamc@282 2077 string (Int.toString n),
adamc@282 2078 string ", NULL);",
adamc@282 2079 newline,
adamc@282 2080 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 2081 newline,
adamc@282 2082 box [string "char msg[1024];",
adamc@282 2083 newline,
adamc@282 2084 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 2085 newline,
adamc@282 2086 string "msg[1023] = 0;",
adamc@282 2087 newline,
adamc@282 2088 string "PQclear(res);",
adamc@282 2089 newline,
adamc@282 2090 string "PQfinish(conn);",
adamc@282 2091 newline,
adamc@311 2092 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 2093 string (String.toString s),
adamc@282 2094 string "\\n%s\", msg);",
adamc@282 2095 newline],
adamc@282 2096 string "}",
adamc@282 2097 newline,
adamc@282 2098 string "PQclear(res);",
adamc@282 2099 newline])
adamc@282 2100 ss,
adamc@282 2101
adamc@282 2102 string "}"]
adamc@282 2103
adamc@569 2104 | DJavaScript s => box [string "static char jslib[] = \"",
adamc@569 2105 string (String.toString s),
adamc@569 2106 string "\";"]
adamc@569 2107
adamc@144 2108 datatype 'a search =
adamc@144 2109 Found of 'a
adamc@144 2110 | NotFound
adamc@144 2111 | Error
adamc@120 2112
adamc@467 2113 fun p_sqltype'' env (tAll as (t, loc)) =
adamc@275 2114 case t of
adamc@275 2115 TFfi ("Basis", "int") => "int8"
adamc@275 2116 | TFfi ("Basis", "float") => "float8"
adamc@275 2117 | TFfi ("Basis", "string") => "text"
adamc@275 2118 | TFfi ("Basis", "bool") => "bool"
adamc@438 2119 | TFfi ("Basis", "time") => "timestamp"
adamc@275 2120 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 2121 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 2122 "ERROR")
adamc@275 2123
adamc@467 2124 fun p_sqltype' env (tAll as (t, loc)) =
adamc@467 2125 case t of
adamc@467 2126 (TOption t, _) => p_sqltype'' env t
adamc@467 2127 | _ => p_sqltype'' env t ^ " NOT NULL"
adamc@467 2128
adamc@275 2129 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 2130
adamc@467 2131 fun p_sqltype_base' env t =
adamc@467 2132 case t of
adamc@467 2133 (TOption t, _) => p_sqltype'' env t
adamc@467 2134 | _ => p_sqltype'' env t
adamc@467 2135
adamc@467 2136 fun p_sqltype_base env t = string (p_sqltype_base' env t)
adamc@467 2137
adamc@467 2138 fun is_not_null t =
adamc@467 2139 case t of
adamc@467 2140 (TOption _, _) => false
adamc@467 2141 | _ => true
adamc@467 2142
adamc@101 2143 fun p_file env (ds, ps) =
adamc@29 2144 let
adamc@101 2145 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@638 2146 (p_decl env d,
adamc@638 2147 E.declBinds env d))
adamc@101 2148 env ds
adamc@144 2149
adamc@609 2150 val fields = foldl (fn ((ek, _, _, ts, _), fields) =>
adamc@144 2151 case ek of
adamc@144 2152 Core.Link => fields
adamc@608 2153 | Core.Rpc => fields
adamc@144 2154 | Core.Action =>
adamc@280 2155 case List.nth (ts, length ts - 2) of
adamc@144 2156 (TRecord i, _) =>
adamc@144 2157 let
adamc@144 2158 val xts = E.lookupStruct env i
adamc@144 2159 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 2160 in
adamc@144 2161 foldl (fn ((x, _), fields) =>
adamc@144 2162 let
adamc@144 2163 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 2164 in
adamc@144 2165 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 2166 xtsSet'))
adamc@144 2167 end) fields xts
adamc@144 2168 end
adamc@144 2169 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 2170 SM.empty ps
adamc@144 2171
adamc@144 2172 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 2173 let
adamc@144 2174 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 2175 case SM.find (fnums, x') of
adamc@144 2176 NONE => unusable
adamc@144 2177 | SOME n => IS.add (unusable, n))
adamc@144 2178 IS.empty xs
adamc@144 2179
adamc@144 2180 fun findAvailable n =
adamc@144 2181 if IS.member (unusable, n) then
adamc@144 2182 findAvailable (n + 1)
adamc@144 2183 else
adamc@144 2184 n
adamc@144 2185 in
adamc@144 2186 SM.insert (fnums, x, findAvailable 0)
adamc@144 2187 end)
adamc@144 2188 SM.empty fields
adamc@144 2189
adamc@144 2190 fun makeSwitch (fnums, i) =
adamc@144 2191 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 2192 | (n, Error) => Error
adamc@144 2193 | (n, Found n') => if n = n' then
adamc@144 2194 Found n'
adamc@144 2195 else
adamc@144 2196 Error) NotFound fnums of
adamc@144 2197 NotFound => box [string "return",
adamc@144 2198 space,
adamc@144 2199 string "-1;"]
adamc@144 2200 | Found n => box [string "return",
adamc@144 2201 space,
adamc@144 2202 string (Int.toString n),
adamc@144 2203 string ";"]
adamc@144 2204 | Error =>
adamc@144 2205 let
adamc@144 2206 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 2207 let
adamc@144 2208 val ch = if i < size x then
adamc@144 2209 String.sub (x, i)
adamc@144 2210 else
adamc@144 2211 chr 0
adamc@144 2212
adamc@144 2213 val fnums = case CM.find (cmap, ch) of
adamc@144 2214 NONE => SM.empty
adamc@144 2215 | SOME fnums => fnums
adamc@144 2216 val fnums = SM.insert (fnums, x, n)
adamc@144 2217 in
adamc@144 2218 CM.insert (cmap, ch, fnums)
adamc@144 2219 end)
adamc@144 2220 CM.empty fnums
adamc@144 2221
adamc@144 2222 val cmap = CM.listItemsi cmap
adamc@144 2223 in
adamc@144 2224 case cmap of
adamc@144 2225 [(_, fnums)] =>
adamc@144 2226 box [string "if",
adamc@144 2227 space,
adamc@144 2228 string "(name[",
adamc@144 2229 string (Int.toString i),
adamc@144 2230 string "]",
adamc@144 2231 space,
adamc@144 2232 string "==",
adamc@144 2233 space,
adamc@144 2234 string "0)",
adamc@144 2235 space,
adamc@144 2236 string "return",
adamc@144 2237 space,
adamc@144 2238 string "-1;",
adamc@144 2239 newline,
adamc@144 2240 makeSwitch (fnums, i+1)]
adamc@144 2241 | _ =>
adamc@144 2242 box [string "switch",
adamc@144 2243 space,
adamc@144 2244 string "(name[",
adamc@144 2245 string (Int.toString i),
adamc@144 2246 string "])",
adamc@144 2247 space,
adamc@144 2248 string "{",
adamc@144 2249 newline,
adamc@144 2250 box (map (fn (ch, fnums) =>
adamc@144 2251 box [string "case",
adamc@144 2252 space,
adamc@144 2253 if ch = chr 0 then
adamc@144 2254 string "0:"
adamc@144 2255 else
adamc@144 2256 box [string "'",
adamc@144 2257 string (Char.toString ch),
adamc@144 2258 string "':"],
adamc@144 2259 newline,
adamc@144 2260 makeSwitch (fnums, i+1),
adamc@144 2261 newline]) cmap),
adamc@144 2262 string "default:",
adamc@144 2263 newline,
adamc@144 2264 string "return",
adamc@144 2265 space,
adamc@144 2266 string "-1;",
adamc@144 2267 newline,
adamc@144 2268 string "}"]
adamc@144 2269 end
adamc@144 2270
adamc@609 2271 fun p_page (ek, s, n, ts, ran) =
adamc@144 2272 let
adamc@144 2273 val (ts, defInputs, inputsVar) =
adamc@144 2274 case ek of
adamc@314 2275 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@608 2276 | Core.Rpc => (List.take (ts, length ts - 1), string "", string "")
adamc@144 2277 | Core.Action =>
adamc@280 2278 case List.nth (ts, length ts - 2) of
adamc@144 2279 (TRecord i, _) =>
adamc@144 2280 let
adamc@144 2281 val xts = E.lookupStruct env i
adamc@144 2282 in
adamc@280 2283 (List.take (ts, length ts - 2),
adamc@144 2284 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 2285 space,
adamc@311 2286 string "uw_input_",
adamc@316 2287 p_ident x,
adamc@144 2288 string ";",
adamc@144 2289 newline]) xts),
adamc@144 2290 newline,
adamc@144 2291 box (map (fn (x, t) =>
adamc@144 2292 let
adamc@144 2293 val n = case SM.find (fnums, x) of
adamc@144 2294 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 2295 | SOME n => n
adamc@190 2296
adamc@190 2297 val f = case t of
adamc@190 2298 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 2299 | _ => ""
adamc@144 2300 in
adamc@311 2301 box [string "request = uw_get_",
adamc@190 2302 string f,
adamc@190 2303 string "input(ctx, ",
adamc@144 2304 string (Int.toString n),
adamc@144 2305 string ");",
adamc@144 2306 newline,
adamc@433 2307 string "if (request == NULL)",
adamc@144 2308 newline,
adamc@433 2309 box [string "uw_error(ctx, FATAL, \"Missing input ",
adamc@144 2310 string x,
adamc@433 2311 string "\");"],
adamc@144 2312 newline,
adamc@311 2313 string "uw_input_",
adamc@316 2314 p_ident x,
adamc@144 2315 space,
adamc@144 2316 string "=",
adamc@144 2317 space,
adamc@463 2318 unurlify env t,
adamc@144 2319 string ";",
adamc@144 2320 newline]
adamc@144 2321 end) xts),
adamc@311 2322 string "struct __uws_",
adamc@144 2323 string (Int.toString i),
adamc@144 2324 space,
adamc@311 2325 string "uw_inputs",
adamc@144 2326 space,
adamc@144 2327 string "= {",
adamc@144 2328 newline,
adamc@311 2329 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 2330 p_ident x,
adamc@144 2331 string ",",
adamc@144 2332 newline]) xts),
adamc@144 2333 string "};",
adamc@144 2334 newline],
adamc@144 2335 box [string ",",
adamc@144 2336 space,
adamc@311 2337 string "uw_inputs"])
adamc@144 2338 end
adamc@144 2339
adamc@144 2340 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 2341 in
adamc@144 2342 box [string "if (!strncmp(request, \"",
adamc@144 2343 string (String.toString s),
adamc@144 2344 string "\", ",
adamc@144 2345 string (Int.toString (size s)),
adamc@198 2346 string ") && (request[",
adamc@198 2347 string (Int.toString (size s)),
adamc@198 2348 string "] == 0 || request[",
adamc@198 2349 string (Int.toString (size s)),
adamc@198 2350 string "] == '/')) {",
adamc@144 2351 newline,
adamc@144 2352 string "request += ",
adamc@144 2353 string (Int.toString (size s)),
adamc@144 2354 string ";",
adamc@144 2355 newline,
adamc@144 2356 string "if (*request == '/') ++request;",
adamc@144 2357 newline,
adamc@609 2358 box (case ek of
adamc@610 2359 Core.Rpc => [string "uw_write_header(ctx, \"Content-type: text/plain\\r\\n\");",
adamc@610 2360 newline]
adamc@609 2361 | _ => [string "uw_write_header(ctx, \"Content-type: text/html\\r\\n\");",
adamc@609 2362 newline,
adamc@609 2363 string "uw_write_header(ctx, \"Content-script-type: text/javascript\\r\\n\");",
adamc@609 2364 newline,
adamc@609 2365 string "uw_write(ctx, \"<html>\");",
adamc@609 2366 newline]),
adamc@144 2367 box [string "{",
adamc@144 2368 newline,
adamc@144 2369 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 2370 space,
adamc@144 2371 string "arg",
adamc@144 2372 string (Int.toString i),
adamc@144 2373 space,
adamc@144 2374 string "=",
adamc@144 2375 space,
adamc@463 2376 unurlify env t,
adamc@144 2377 string ";",
adamc@144 2378 newline]) ts),
adamc@144 2379 defInputs,
adamc@609 2380 box (case ek of
adamc@609 2381 Core.Rpc => [p_typ env ran,
adamc@609 2382 space,
adamc@610 2383 string "it0",
adamc@609 2384 space,
adamc@609 2385 string "=",
adamc@609 2386 space]
adamc@609 2387 | _ => []),
adamc@144 2388 p_enamed env n,
adamc@144 2389 string "(",
adamc@144 2390 p_list_sep (box [string ",", space])
adamc@144 2391 (fn x => x)
adamc@272 2392 (string "ctx"
adamc@280 2393 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 2394 inputsVar,
adamc@311 2395 string ", uw_unit_v);",
adamc@144 2396 newline,
adamc@609 2397 box (case ek of
adamc@610 2398 Core.Rpc => [urlify env ran]
adamc@609 2399 | _ => [string "uw_write(ctx, \"</html>\");",
adamc@609 2400 newline]),
adamc@144 2401 string "return;",
adamc@144 2402 newline,
adamc@144 2403 string "}",
adamc@144 2404 newline,
adamc@144 2405 string "}"]
adamc@144 2406 ]
adamc@144 2407 end
adamc@144 2408
adamc@144 2409 val pds' = map p_page ps
adamc@275 2410
adamc@275 2411 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 2412 | _ => NONE) ds
adamc@377 2413 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 2414 | _ => NONE) ds
adamc@275 2415
adamc@275 2416 val validate =
adamc@311 2417 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 2418 newline,
adamc@311 2419 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 2420 newline,
adamc@275 2421 string "PGresult *res;",
adamc@275 2422 newline,
adamc@275 2423 newline,
adamc@275 2424 p_list_sep newline
adamc@275 2425 (fn (s, xts) =>
adamc@275 2426 let
adamc@377 2427 val sl = CharVector.map Char.toLower s
adamc@377 2428
adamc@275 2429 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2430 ^ sl ^ "'"
adamc@275 2431
adamc@275 2432 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2433 sl,
adamc@275 2434 "') AND (",
adamc@275 2435 String.concatWith " OR "
adamc@275 2436 (map (fn (x, t) =>
adamc@311 2437 String.concat ["(attname = 'uw_",
adamc@275 2438 CharVector.map
adamc@316 2439 Char.toLower (ident x),
adamc@275 2440 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 2441 " WHERE typname = '",
adamc@467 2442 p_sqltype_base' env t,
adamc@467 2443 "') AND attnotnull = ",
adamc@467 2444 if is_not_null t then
adamc@467 2445 "TRUE"
adamc@467 2446 else
adamc@467 2447 "FALSE",
adamc@467 2448 ")"]) xts),
adamc@275 2449 ")"]
adamc@275 2450
adamc@275 2451 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 2452 sl,
adamc@325 2453 "') AND attname LIKE 'uw_%'"]
adamc@275 2454 in
adamc@275 2455 box [string "res = PQexec(conn, \"",
adamc@275 2456 string q,
adamc@275 2457 string "\");",
adamc@275 2458 newline,
adamc@275 2459 newline,
adamc@275 2460 string "if (res == NULL) {",
adamc@275 2461 newline,
adamc@275 2462 box [string "PQfinish(conn);",
adamc@275 2463 newline,
adamc@311 2464 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2465 newline],
adamc@275 2466 string "}",
adamc@275 2467 newline,
adamc@275 2468 newline,
adamc@275 2469 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2470 newline,
adamc@275 2471 box [string "char msg[1024];",
adamc@275 2472 newline,
adamc@275 2473 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2474 newline,
adamc@275 2475 string "msg[1023] = 0;",
adamc@275 2476 newline,
adamc@275 2477 string "PQclear(res);",
adamc@275 2478 newline,
adamc@275 2479 string "PQfinish(conn);",
adamc@275 2480 newline,
adamc@311 2481 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2482 string q,
adamc@275 2483 string "\\n%s\", msg);",
adamc@275 2484 newline],
adamc@275 2485 string "}",
adamc@275 2486 newline,
adamc@275 2487 newline,
adamc@275 2488 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 2489 newline,
adamc@275 2490 box [string "PQclear(res);",
adamc@275 2491 newline,
adamc@275 2492 string "PQfinish(conn);",
adamc@275 2493 newline,
adamc@311 2494 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2495 string s,
adamc@275 2496 string "' does not exist.\");",
adamc@275 2497 newline],
adamc@275 2498 string "}",
adamc@275 2499 newline,
adamc@275 2500 newline,
adamc@275 2501 string "PQclear(res);",
adamc@275 2502 newline,
adamc@275 2503
adamc@275 2504 string "res = PQexec(conn, \"",
adamc@275 2505 string q',
adamc@275 2506 string "\");",
adamc@275 2507 newline,
adamc@275 2508 newline,
adamc@275 2509 string "if (res == NULL) {",
adamc@275 2510 newline,
adamc@275 2511 box [string "PQfinish(conn);",
adamc@275 2512 newline,
adamc@311 2513 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2514 newline],
adamc@275 2515 string "}",
adamc@275 2516 newline,
adamc@275 2517 newline,
adamc@275 2518 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2519 newline,
adamc@275 2520 box [string "char msg[1024];",
adamc@275 2521 newline,
adamc@275 2522 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2523 newline,
adamc@275 2524 string "msg[1023] = 0;",
adamc@275 2525 newline,
adamc@275 2526 string "PQclear(res);",
adamc@275 2527 newline,
adamc@275 2528 string "PQfinish(conn);",
adamc@275 2529 newline,
adamc@311 2530 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2531 string q',
adamc@275 2532 string "\\n%s\", msg);",
adamc@275 2533 newline],
adamc@275 2534 string "}",
adamc@275 2535 newline,
adamc@275 2536 newline,
adamc@275 2537 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2538 string (Int.toString (length xts)),
adamc@275 2539 string "\")) {",
adamc@275 2540 newline,
adamc@275 2541 box [string "PQclear(res);",
adamc@275 2542 newline,
adamc@275 2543 string "PQfinish(conn);",
adamc@275 2544 newline,
adamc@311 2545 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2546 string s,
adamc@275 2547 string "' has the wrong column types.\");",
adamc@275 2548 newline],
adamc@275 2549 string "}",
adamc@275 2550 newline,
adamc@275 2551 newline,
adamc@275 2552 string "PQclear(res);",
adamc@275 2553 newline,
adamc@275 2554 newline,
adamc@275 2555
adamc@275 2556 string "res = PQexec(conn, \"",
adamc@275 2557 string q'',
adamc@275 2558 string "\");",
adamc@275 2559 newline,
adamc@275 2560 newline,
adamc@275 2561 string "if (res == NULL) {",
adamc@275 2562 newline,
adamc@275 2563 box [string "PQfinish(conn);",
adamc@275 2564 newline,
adamc@311 2565 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 2566 newline],
adamc@275 2567 string "}",
adamc@275 2568 newline,
adamc@275 2569 newline,
adamc@275 2570 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 2571 newline,
adamc@275 2572 box [string "char msg[1024];",
adamc@275 2573 newline,
adamc@275 2574 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 2575 newline,
adamc@275 2576 string "msg[1023] = 0;",
adamc@275 2577 newline,
adamc@275 2578 string "PQclear(res);",
adamc@275 2579 newline,
adamc@275 2580 string "PQfinish(conn);",
adamc@275 2581 newline,
adamc@311 2582 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 2583 string q'',
adamc@275 2584 string "\\n%s\", msg);",
adamc@275 2585 newline],
adamc@275 2586 string "}",
adamc@275 2587 newline,
adamc@275 2588 newline,
adamc@275 2589 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 2590 string (Int.toString (length xts)),
adamc@275 2591 string "\")) {",
adamc@275 2592 newline,
adamc@275 2593 box [string "PQclear(res);",
adamc@275 2594 newline,
adamc@275 2595 string "PQfinish(conn);",
adamc@275 2596 newline,
adamc@311 2597 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 2598 string s,
adamc@275 2599 string "' has extra columns.\");",
adamc@275 2600 newline],
adamc@275 2601 string "}",
adamc@275 2602 newline,
adamc@275 2603 newline,
adamc@275 2604 string "PQclear(res);",
adamc@275 2605 newline]
adamc@275 2606 end) tables,
adamc@377 2607
adamc@377 2608 p_list_sep newline
adamc@377 2609 (fn s =>
adamc@377 2610 let
adamc@377 2611 val sl = CharVector.map Char.toLower s
adamc@377 2612
adamc@377 2613 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 2614 ^ sl ^ "' AND relkind = 'S'"
adamc@377 2615 in
adamc@377 2616 box [string "res = PQexec(conn, \"",
adamc@377 2617 string q,
adamc@377 2618 string "\");",
adamc@377 2619 newline,
adamc@377 2620 newline,
adamc@377 2621 string "if (res == NULL) {",
adamc@377 2622 newline,
adamc@377 2623 box [string "PQfinish(conn);",
adamc@377 2624 newline,
adamc@377 2625 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2626 newline],
adamc@377 2627 string "}",
adamc@377 2628 newline,
adamc@377 2629 newline,
adamc@377 2630 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2631 newline,
adamc@377 2632 box [string "char msg[1024];",
adamc@377 2633 newline,
adamc@377 2634 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2635 newline,
adamc@377 2636 string "msg[1023] = 0;",
adamc@377 2637 newline,
adamc@377 2638 string "PQclear(res);",
adamc@377 2639 newline,
adamc@377 2640 string "PQfinish(conn);",
adamc@377 2641 newline,
adamc@377 2642 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2643 string q,
adamc@377 2644 string "\\n%s\", msg);",
adamc@377 2645 newline],
adamc@377 2646 string "}",
adamc@377 2647 newline,
adamc@377 2648 newline,
adamc@377 2649 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2650 newline,
adamc@377 2651 box [string "PQclear(res);",
adamc@377 2652 newline,
adamc@377 2653 string "PQfinish(conn);",
adamc@377 2654 newline,
adamc@377 2655 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2656 string s,
adamc@377 2657 string "' does not exist.\");",
adamc@377 2658 newline],
adamc@377 2659 string "}",
adamc@377 2660 newline,
adamc@377 2661 newline,
adamc@377 2662 string "PQclear(res);",
adamc@377 2663 newline]
adamc@377 2664 end) sequences,
adamc@377 2665
adamc@275 2666 string "}"]
adamc@432 2667
adamc@432 2668 val hasDb = List.exists (fn (DDatabase _, _) => true | _ => false) ds
adamc@29 2669 in
adamc@144 2670 box [string "#include <stdio.h>",
adamc@144 2671 newline,
adamc@144 2672 string "#include <stdlib.h>",
adamc@144 2673 newline,
adamc@272 2674 string "#include <string.h>",
adamc@272 2675 newline,
adamc@390 2676 string "#include <math.h>",
adamc@390 2677 newline,
adamc@432 2678 if hasDb then
adamc@432 2679 box [string "#include <postgresql/libpq-fe.h>",
adamc@432 2680 newline]
adamc@432 2681 else
adamc@432 2682 box [],
adamc@144 2683 newline,
adamc@378 2684 string "#include \"",
adamc@378 2685 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2686 file = "urweb.h"}),
adamc@378 2687 string "\"",
adamc@101 2688 newline,
adamc@101 2689 newline,
adamc@101 2690 p_list_sep newline (fn x => x) pds,
adamc@101 2691 newline,
adamc@311 2692 string "int uw_inputs_len = ",
adamc@144 2693 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2694 string ";",
adamc@144 2695 newline,
adamc@144 2696 newline,
adamc@311 2697 string "int uw_input_num(char *name) {",
adamc@144 2698 newline,
adamc@144 2699 makeSwitch (fnums, 0),
adamc@144 2700 string "}",
adamc@144 2701 newline,
adamc@144 2702 newline,
adamc@311 2703 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2704 newline,
adamc@569 2705 string "if (!strcmp(request, \"/app.js\")) {",
adamc@569 2706 newline,
adamc@569 2707 box [string "uw_write_header(ctx, \"Content-type: text/javascript\\r\\n\");",
adamc@569 2708 newline,
adamc@569 2709 string "uw_write(ctx, jslib);",
adamc@569 2710 newline,
adamc@569 2711 string "return;",
adamc@569 2712 newline],
adamc@569 2713 string "}",
adamc@569 2714 newline,
adamc@101 2715 p_list_sep newline (fn x => x) pds',
adamc@101 2716 newline,
adamc@387 2717 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2718 newline,
adamc@101 2719 string "}",
adamc@275 2720 newline,
adamc@275 2721 newline,
adamc@432 2722 if hasDb then
adamc@432 2723 validate
adamc@432 2724 else
adamc@432 2725 box [],
adamc@376 2726 newline,
adamc@376 2727 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2728 box []
adamc@376 2729 else
adamc@376 2730 box [newline,
adamc@376 2731 string "void uw_db_init(uw_context ctx) { };",
adamc@424 2732 newline,
adamc@424 2733 string "int uw_db_begin(uw_context ctx) { return 0; };",
adamc@424 2734 newline,
adamc@424 2735 string "int uw_db_commit(uw_context ctx) { return 0; };",
adamc@424 2736 newline,
adamc@424 2737 string "int uw_db_rollback(uw_context ctx) { return 0; };",
adamc@376 2738 newline]]
adamc@29 2739 end
adamc@29 2740
adamc@274 2741 fun p_sql env (ds, _) =
adamc@274 2742 let
adamc@274 2743 val (pps, _) = ListUtil.foldlMap
adamc@274 2744 (fn (dAll as (d, _), env) =>
adamc@274 2745 let
adamc@274 2746 val pp = case d of
adamc@274 2747 DTable (s, xts) =>
adamc@274 2748 box [string "CREATE TABLE ",
adamc@274 2749 string s,
adamc@274 2750 string "(",
adamc@274 2751 p_list (fn (x, t) =>
adamc@311 2752 box [string "uw_",
adamc@275 2753 string (CharVector.map Char.toLower x),
adamc@274 2754 space,
adamc@467 2755 p_sqltype env (t, ErrorMsg.dummySpan)]) xts,
adamc@274 2756 string ");",
adamc@274 2757 newline,
adamc@274 2758 newline]
adamc@338 2759 | DSequence s =>
adamc@338 2760 box [string "CREATE SEQUENCE ",
adamc@338 2761 string s,
adamc@338 2762 string ";",
adamc@338 2763 newline,
adamc@338 2764 newline]
adamc@274 2765 | _ => box []
adamc@274 2766 in
adamc@274 2767 (pp, E.declBinds env dAll)
adamc@274 2768 end)
adamc@274 2769 env ds
adamc@274 2770 in
adamc@274 2771 box pps
adamc@274 2772 end
adamc@274 2773
adamc@29 2774 end