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annotate src/cjr_print.sml @ 360:c1e96b387115

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author Adam Chlipala <adamc@hcoop.net>
date Tue, 14 Oct 2008 16:37:43 -0400
parents e976b187d73a
children 6fd102fa28f9
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@29 65 fun p_typ' par env (t, loc) =
adamc@29 66 case t of
adamc@269 67 TFun (t1, t2) => parenIf par (box [p_typ' true env t2,
adamc@109 68 space,
adamc@109 69 string "(*)",
adamc@109 70 space,
adamc@109 71 string "(",
adamc@109 72 p_typ env t1,
adamc@109 73 string ")"])
adamc@29 74 | TRecord i => box [string "struct",
adamc@29 75 space,
adamc@311 76 string "__uws_",
adamc@29 77 string (Int.toString i)]
adamc@188 78 | TDatatype (Enum, n, _) =>
adamc@188 79 (box [string "enum",
adamc@188 80 space,
adamc@311 81 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 82 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 83 | TDatatype (Option, n, xncs) =>
adamc@198 84 (case ListUtil.search #3 (!xncs) of
adamc@198 85 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 86 | SOME t =>
adamc@198 87 case #1 t of
adamc@198 88 TDatatype _ => p_typ' par env t
adamc@199 89 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 90 | _ => box [p_typ' par env t,
adamc@198 91 string "*"])
adamc@188 92 | TDatatype (Default, n, _) =>
adamc@165 93 (box [string "struct",
adamc@165 94 space,
adamc@311 95 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 96 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 97 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 98 | TOption t =>
adamc@288 99 (case #1 t of
adamc@288 100 TDatatype _ => p_typ' par env t
adamc@288 101 | TFfi ("Basis", "string") => p_typ' par env t
adamc@288 102 | _ => box [p_typ' par env t,
adamc@288 103 string "*"])
adamc@29 104
adamc@29 105 and p_typ env = p_typ' false env
adamc@29 106
adamc@316 107 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 108 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 109
adamc@109 110 fun p_enamed env n =
adamc@316 111 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 112 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 113
adamc@182 114 fun p_con_named env n =
adamc@316 115 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 116 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 117
adamc@182 118 fun p_pat_preamble env (p, _) =
adamc@182 119 case p of
adamc@182 120 PWild => (box [],
adamc@182 121 env)
adamc@182 122 | PVar (x, t) => (box [p_typ env t,
adamc@182 123 space,
adamc@311 124 string "__uwr_",
adamc@316 125 p_ident x,
adamc@182 126 string "_",
adamc@182 127 string (Int.toString (E.countERels env)),
adamc@182 128 string ";",
adamc@182 129 newline],
adamc@196 130 E.pushERel env x t)
adamc@182 131 | PPrim _ => (box [], env)
adamc@188 132 | PCon (_, _, NONE) => (box [], env)
adamc@188 133 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 134 | PRecord xps =>
adamc@182 135 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 136 let
adamc@182 137 val (pp', env) = p_pat_preamble env p
adamc@182 138 in
adamc@182 139 (box [pp', pp], env)
adamc@182 140 end) (box [], env) xps
adamc@288 141 | PNone _ => (box [], env)
adamc@288 142 | PSome (_, p) => p_pat_preamble env p
adamc@182 143
adamc@182 144 fun p_patCon env pc =
adamc@182 145 case pc of
adamc@182 146 PConVar n => p_con_named env n
adamc@316 147 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 148
adamc@182 149 fun p_pat (env, exit, depth) (p, _) =
adamc@182 150 case p of
adamc@182 151 PWild =>
adamc@182 152 (box [], env)
adamc@182 153 | PVar (x, t) =>
adamc@311 154 (box [string "__uwr_",
adamc@316 155 p_ident x,
adamc@182 156 string "_",
adamc@182 157 string (Int.toString (E.countERels env)),
adamc@182 158 space,
adamc@182 159 string "=",
adamc@182 160 space,
adamc@182 161 string "disc",
adamc@182 162 string (Int.toString depth),
adamc@182 163 string ";"],
adamc@182 164 E.pushERel env x t)
adamc@182 165 | PPrim (Prim.Int n) =>
adamc@182 166 (box [string "if",
adamc@182 167 space,
adamc@182 168 string "(disc",
adamc@182 169 string (Int.toString depth),
adamc@182 170 space,
adamc@182 171 string "!=",
adamc@182 172 space,
adamc@276 173 Prim.p_t_GCC (Prim.Int n),
adamc@182 174 string ")",
adamc@182 175 space,
adamc@182 176 exit],
adamc@182 177 env)
adamc@182 178 | PPrim (Prim.String s) =>
adamc@182 179 (box [string "if",
adamc@182 180 space,
adamc@182 181 string "(strcmp(disc",
adamc@182 182 string (Int.toString depth),
adamc@182 183 string ",",
adamc@182 184 space,
adamc@276 185 Prim.p_t_GCC (Prim.String s),
adamc@182 186 string "))",
adamc@182 187 space,
adamc@182 188 exit],
adamc@182 189 env)
adamc@182 190 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 191
adamc@188 192 | PCon (dk, pc, po) =>
adamc@182 193 let
adamc@182 194 val (p, env) =
adamc@182 195 case po of
adamc@182 196 NONE => (box [], env)
adamc@182 197 | SOME p =>
adamc@182 198 let
adamc@182 199 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 200
adamc@182 201 val (x, to) = case pc of
adamc@182 202 PConVar n =>
adamc@182 203 let
adamc@182 204 val (x, to, _) = E.lookupConstructor env n
adamc@182 205 in
adamc@316 206 ("uw_" ^ ident x, to)
adamc@182 207 end
adamc@188 208 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 209 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 210
adamc@182 211 val t = case to of
adamc@182 212 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 213 | SOME t => t
adamc@182 214 in
adamc@182 215 (box [string "{",
adamc@182 216 newline,
adamc@182 217 p_typ env t,
adamc@182 218 space,
adamc@182 219 string "disc",
adamc@182 220 string (Int.toString (depth + 1)),
adamc@182 221 space,
adamc@182 222 string "=",
adamc@182 223 space,
adamc@198 224 case dk of
adamc@198 225 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 226 | Default => box [string "disc",
adamc@198 227 string (Int.toString depth),
adamc@198 228 string "->data.",
adamc@198 229 string x]
adamc@198 230 | Option =>
adamc@198 231 case #1 t of
adamc@198 232 TDatatype _ => box [string "disc",
adamc@198 233 string (Int.toString depth)]
adamc@199 234 | TFfi ("Basis", "string") => box [string "disc",
adamc@199 235 string (Int.toString depth)]
adamc@198 236 | _ => box [string "*disc",
adamc@198 237 string (Int.toString depth)],
adamc@182 238 string ";",
adamc@182 239 newline,
adamc@182 240 p,
adamc@182 241 newline,
adamc@182 242 string "}"],
adamc@182 243 env)
adamc@182 244 end
adamc@182 245 in
adamc@182 246 (box [string "if",
adamc@182 247 space,
adamc@182 248 string "(disc",
adamc@182 249 string (Int.toString depth),
adamc@198 250 case (dk, po) of
adamc@198 251 (Enum, _) => box [space,
adamc@198 252 string "!=",
adamc@198 253 space,
adamc@198 254 p_patCon env pc]
adamc@198 255 | (Default, _) => box [string "->tag",
adamc@198 256 space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Option, NONE) => box [space,
adamc@198 261 string "!=",
adamc@198 262 space,
adamc@198 263 string "NULL"]
adamc@198 264 | (Option, SOME _) => box [space,
adamc@198 265 string "==",
adamc@198 266 space,
adamc@198 267 string "NULL"],
adamc@182 268 string ")",
adamc@182 269 space,
adamc@182 270 exit,
adamc@182 271 newline,
adamc@182 272 p],
adamc@182 273 env)
adamc@182 274 end
adamc@182 275
adamc@182 276 | PRecord xps =>
adamc@182 277 let
adamc@182 278 val (xps, env) =
adamc@182 279 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 280 let
adamc@182 281 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 282
adamc@182 283 val p = box [string "{",
adamc@182 284 newline,
adamc@182 285 p_typ env t,
adamc@182 286 space,
adamc@182 287 string "disc",
adamc@182 288 string (Int.toString (depth + 1)),
adamc@182 289 space,
adamc@182 290 string "=",
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString depth),
adamc@311 294 string ".__uwf_",
adamc@316 295 p_ident x,
adamc@182 296 string ";",
adamc@182 297 newline,
adamc@182 298 p,
adamc@182 299 newline,
adamc@182 300 string "}"]
adamc@182 301 in
adamc@182 302 (p, env)
adamc@182 303 end) env xps
adamc@182 304 in
adamc@182 305 (p_list_sep newline (fn x => x) xps,
adamc@182 306 env)
adamc@182 307 end
adamc@182 308
adamc@288 309 | PNone t =>
adamc@288 310 (box [string "if",
adamc@288 311 space,
adamc@288 312 string "(disc",
adamc@288 313 string (Int.toString depth),
adamc@288 314 space,
adamc@288 315 string "!=",
adamc@288 316 space,
adamc@288 317 string "NULL)",
adamc@288 318 space,
adamc@288 319 exit,
adamc@288 320 newline],
adamc@288 321 env)
adamc@288 322
adamc@288 323 | PSome (t, p) =>
adamc@288 324 let
adamc@288 325 val (p, env) =
adamc@288 326 let
adamc@288 327 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 328 in
adamc@288 329 (box [string "{",
adamc@288 330 newline,
adamc@288 331 p_typ env t,
adamc@288 332 space,
adamc@288 333 string "disc",
adamc@288 334 string (Int.toString (depth + 1)),
adamc@288 335 space,
adamc@288 336 string "=",
adamc@288 337 space,
adamc@288 338 case #1 t of
adamc@288 339 TDatatype _ => box [string "disc",
adamc@288 340 string (Int.toString depth)]
adamc@288 341 | TFfi ("Basis", "string") => box [string "disc",
adamc@288 342 string (Int.toString depth)]
adamc@288 343 | _ => box [string "*disc",
adamc@288 344 string (Int.toString depth)],
adamc@288 345 string ";",
adamc@288 346 newline,
adamc@288 347 p,
adamc@288 348 newline,
adamc@288 349 string "}"],
adamc@288 350 env)
adamc@288 351 end
adamc@288 352 in
adamc@288 353 (box [string "if",
adamc@288 354 space,
adamc@288 355 string "(disc",
adamc@288 356 string (Int.toString depth),
adamc@288 357 space,
adamc@288 358 string "==",
adamc@288 359 space,
adamc@288 360 string "NULL)",
adamc@288 361 space,
adamc@288 362 exit,
adamc@288 363 newline,
adamc@288 364 p],
adamc@288 365 env)
adamc@288 366 end
adamc@288 367
adamc@182 368 local
adamc@182 369 val count = ref 0
adamc@182 370 in
adamc@182 371 fun newGoto () =
adamc@182 372 let
adamc@182 373 val r = !count
adamc@182 374 in
adamc@182 375 count := r + 1;
adamc@182 376 string ("L" ^ Int.toString r)
adamc@182 377 end
adamc@182 378 end
adamc@182 379
adamc@185 380 fun patConInfo env pc =
adamc@185 381 case pc of
adamc@185 382 PConVar n =>
adamc@185 383 let
adamc@185 384 val (x, _, dn) = E.lookupConstructor env n
adamc@185 385 val (dx, _) = E.lookupDatatype env dn
adamc@185 386 in
adamc@316 387 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 388 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 389 "uw_" ^ ident x)
adamc@185 390 end
adamc@186 391 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 392 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 393 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 394 "uw_" ^ ident con)
adamc@185 395
adamc@324 396 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 397 case t of
adamc@311 398 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 399 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 400 | TFfi ("Basis", "string") =>
adamc@324 401 if wontLeakStrings then
adamc@324 402 e
adamc@324 403 else
adamc@324 404 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 405 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@278 406 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 407 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 408 string "ERROR")
adamc@278 409
adamc@282 410 datatype sql_type =
adamc@282 411 Int
adamc@282 412 | Float
adamc@282 413 | String
adamc@282 414 | Bool
adamc@282 415
adamc@282 416 fun p_sql_type t =
adamc@282 417 string (case t of
adamc@311 418 Int => "uw_Basis_int"
adamc@311 419 | Float => "uw_Basis_float"
adamc@311 420 | String => "uw_Basis_string"
adamc@311 421 | Bool => "uw_Basis_bool")
adamc@282 422
adamc@282 423 fun getPargs (e, _) =
adamc@282 424 case e of
adamc@282 425 EPrim (Prim.String _) => []
adamc@282 426 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 427
adamc@282 428 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 429 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 430 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 431 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@322 432 | ECase (e, _, _) => [(e, Bool)]
adamc@282 433
adamc@282 434 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 435
adamc@282 436 fun p_ensql t e =
adamc@282 437 case t of
adamc@311 438 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 439 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 440 | String => e
adamc@295 441 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@282 442
adamc@282 443 fun p_ensql_len t e =
adamc@282 444 case t of
adamc@311 445 Int => string "sizeof(uw_Basis_int)"
adamc@311 446 | Float => string "sizeof(uw_Basis_float)"
adamc@282 447 | String => box [string "strlen(", e, string ")"]
adamc@311 448 | Bool => string "sizeof(uw_Basis_bool)"
adamc@282 449
adamc@324 450 fun notLeaky env allowHeapAllocated =
adamc@324 451 let
adamc@324 452 fun nl (t, _) =
adamc@324 453 case t of
adamc@324 454 TFun _ => false
adamc@324 455 | TRecord n =>
adamc@324 456 let
adamc@324 457 val xts = E.lookupStruct env n
adamc@324 458 in
adamc@324 459 List.all (fn (_, t) => nl t) xts
adamc@324 460 end
adamc@324 461 | TDatatype (dk, _, ref cons) =>
adamc@324 462 (allowHeapAllocated orelse dk = Enum)
adamc@324 463 andalso List.all (fn (_, _, to) => case to of
adamc@324 464 NONE => true
adamc@324 465 | SOME t => nl t) cons
adamc@324 466 | TFfi ("Basis", "string") => false
adamc@324 467 | TFfi _ => true
adamc@324 468 | TOption t => allowHeapAllocated andalso nl t
adamc@324 469 in
adamc@324 470 nl
adamc@324 471 end
adamc@324 472
adamc@182 473 fun p_exp' par env (e, loc) =
adamc@29 474 case e of
adamc@276 475 EPrim p => Prim.p_t_GCC p
adamc@29 476 | ERel n => p_rel env n
adamc@109 477 | ENamed n => p_enamed env n
adamc@188 478 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 479 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 480 | ECon (Option, pc, SOME e) =>
adamc@198 481 let
adamc@198 482 val to = case pc of
adamc@198 483 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 484 | PConFfi {arg, ...} => arg
adamc@198 485
adamc@198 486 val t = case to of
adamc@198 487 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 488 | SOME t => t
adamc@198 489 in
adamc@198 490 case #1 t of
adamc@198 491 TDatatype _ => p_exp' par env e
adamc@199 492 | TFfi ("Basis", "string") => p_exp' par env e
adamc@198 493 | _ => box [string "({",
adamc@198 494 newline,
adamc@198 495 p_typ env t,
adamc@198 496 space,
adamc@198 497 string "*tmp",
adamc@198 498 space,
adamc@198 499 string "=",
adamc@198 500 space,
adamc@311 501 string "uw_malloc(ctx, sizeof(",
adamc@198 502 p_typ env t,
adamc@198 503 string "));",
adamc@198 504 newline,
adamc@198 505 string "*tmp",
adamc@198 506 space,
adamc@198 507 string "=",
adamc@198 508 p_exp' par env e,
adamc@198 509 string ";",
adamc@198 510 newline,
adamc@198 511 string "tmp;",
adamc@198 512 newline,
adamc@198 513 string "})"]
adamc@198 514 end
adamc@188 515 | ECon (Default, pc, eo) =>
adamc@181 516 let
adamc@196 517 val (xd, xc, xn) = patConInfo env pc
adamc@181 518 in
adamc@182 519 box [string "({",
adamc@181 520 newline,
adamc@181 521 string "struct",
adamc@181 522 space,
adamc@185 523 string xd,
adamc@181 524 space,
adamc@181 525 string "*tmp",
adamc@181 526 space,
adamc@181 527 string "=",
adamc@181 528 space,
adamc@311 529 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 530 string xd,
adamc@181 531 string "));",
adamc@181 532 newline,
adamc@181 533 string "tmp->tag",
adamc@181 534 space,
adamc@181 535 string "=",
adamc@181 536 space,
adamc@185 537 string xc,
adamc@181 538 string ";",
adamc@181 539 newline,
adamc@181 540 case eo of
adamc@181 541 NONE => box []
adamc@185 542 | SOME e => box [string "tmp->data.",
adamc@196 543 string xn,
adamc@181 544 space,
adamc@181 545 string "=",
adamc@181 546 space,
adamc@181 547 p_exp env e,
adamc@181 548 string ";",
adamc@181 549 newline],
adamc@181 550 string "tmp;",
adamc@181 551 newline,
adamc@181 552 string "})"]
adamc@181 553 end
adamc@297 554 | ENone _ => string "NULL"
adamc@290 555 | ESome (t, e) =>
adamc@290 556 (case #1 t of
adamc@290 557 TDatatype _ => p_exp' par env e
adamc@290 558 | TFfi ("Basis", "string") => p_exp' par env e
adamc@290 559 | _ => box [string "({",
adamc@290 560 newline,
adamc@290 561 p_typ env t,
adamc@290 562 space,
adamc@290 563 string "*tmp",
adamc@290 564 space,
adamc@290 565 string "=",
adamc@290 566 space,
adamc@311 567 string "uw_malloc(ctx, sizeof(",
adamc@290 568 p_typ env t,
adamc@290 569 string "));",
adamc@290 570 newline,
adamc@290 571 string "*tmp",
adamc@290 572 space,
adamc@290 573 string "=",
adamc@290 574 p_exp' par env e,
adamc@290 575 string ";",
adamc@290 576 newline,
adamc@290 577 string "tmp;",
adamc@290 578 newline,
adamc@290 579 string "})"])
adamc@109 580
adamc@316 581 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 582 | EError (e, t) =>
adamc@283 583 box [string "({",
adamc@283 584 newline,
adamc@283 585 p_typ env t,
adamc@283 586 space,
adamc@283 587 string "tmp;",
adamc@283 588 newline,
adamc@311 589 string "uw_error(ctx, FATAL, \"",
adamc@292 590 string (ErrorMsg.spanToString loc),
adamc@292 591 string ": %s\", ",
adamc@283 592 p_exp env e,
adamc@283 593 string ");",
adamc@283 594 newline,
adamc@283 595 string "tmp;",
adamc@283 596 newline,
adamc@283 597 string "})"]
adamc@311 598 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 599 p_ident m,
adamc@53 600 string "_",
adamc@316 601 p_ident x,
adamc@117 602 string "(ctx, ",
adamc@53 603 p_list (p_exp env) es,
adamc@53 604 string ")"]
adamc@316 605 | EApp (f, args) =>
adamc@316 606 parenIf par (box [p_exp' true env f,
adamc@316 607 string "(ctx,",
adamc@316 608 space,
adamc@316 609 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 610 string ")"])
adamc@29 611
adamc@29 612 | ERecord (i, xes) => box [string "({",
adamc@29 613 space,
adamc@29 614 string "struct",
adamc@29 615 space,
adamc@311 616 string ("__uws_" ^ Int.toString i),
adamc@29 617 space,
adamc@181 618 string "tmp",
adamc@29 619 space,
adamc@29 620 string "=",
adamc@29 621 space,
adamc@29 622 string "{",
adamc@29 623 p_list (fn (_, e) =>
adamc@29 624 p_exp env e) xes,
adamc@29 625 string "};",
adamc@29 626 space,
adamc@181 627 string "tmp;",
adamc@29 628 space,
adamc@29 629 string "})" ]
adamc@29 630 | EField (e, x) =>
adamc@29 631 box [p_exp' true env e,
adamc@311 632 string ".__uwf_",
adamc@316 633 p_ident x]
adamc@29 634
adamc@182 635 | ECase (e, pes, {disc, result}) =>
adamc@182 636 let
adamc@182 637 val final = newGoto ()
adamc@182 638
adamc@182 639 val body = foldl (fn ((p, e), body) =>
adamc@182 640 let
adamc@182 641 val exit = newGoto ()
adamc@182 642 val (pr, _) = p_pat_preamble env p
adamc@182 643 val (p, env) = p_pat (env,
adamc@182 644 box [string "goto",
adamc@182 645 space,
adamc@182 646 exit,
adamc@182 647 string ";"],
adamc@182 648 0) p
adamc@182 649 in
adamc@182 650 box [body,
adamc@182 651 box [string "{",
adamc@182 652 newline,
adamc@182 653 pr,
adamc@182 654 newline,
adamc@182 655 p,
adamc@182 656 newline,
adamc@182 657 string "result",
adamc@182 658 space,
adamc@182 659 string "=",
adamc@182 660 space,
adamc@182 661 p_exp env e,
adamc@182 662 string ";",
adamc@182 663 newline,
adamc@182 664 string "goto",
adamc@182 665 space,
adamc@182 666 final,
adamc@182 667 string ";",
adamc@182 668 newline,
adamc@182 669 string "}"],
adamc@182 670 newline,
adamc@182 671 exit,
adamc@182 672 string ":",
adamc@182 673 newline]
adamc@182 674 end) (box []) pes
adamc@182 675 in
adamc@182 676 box [string "({",
adamc@182 677 newline,
adamc@182 678 p_typ env disc,
adamc@182 679 space,
adamc@182 680 string "disc0",
adamc@182 681 space,
adamc@182 682 string "=",
adamc@182 683 space,
adamc@182 684 p_exp env e,
adamc@182 685 string ";",
adamc@182 686 newline,
adamc@182 687 p_typ env result,
adamc@182 688 space,
adamc@182 689 string "result;",
adamc@182 690 newline,
adamc@182 691 body,
adamc@311 692 string "uw_error(ctx, FATAL, \"",
adamc@182 693 string (ErrorMsg.spanToString loc),
adamc@182 694 string ": pattern match failure\");",
adamc@182 695 newline,
adamc@182 696 final,
adamc@182 697 string ":",
adamc@182 698 space,
adamc@182 699 string "result;",
adamc@182 700 newline,
adamc@182 701 string "})"]
adamc@182 702 end
adamc@181 703
adamc@311 704 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 705 p_exp env e,
adamc@311 706 string "), uw_unit_v)"]
adamc@102 707
adamc@106 708 | ESeq (e1, e2) => box [string "(",
adamc@106 709 p_exp env e1,
adamc@106 710 string ",",
adamc@106 711 space,
adamc@106 712 p_exp env e2,
adamc@106 713 string ")"]
adamc@269 714 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 715 newline,
adamc@269 716 p_typ env t,
adamc@269 717 space,
adamc@311 718 string "__uwr_",
adamc@316 719 p_ident x,
adamc@272 720 string "_",
adamc@272 721 string (Int.toString (E.countERels env)),
adamc@269 722 space,
adamc@269 723 string "=",
adamc@269 724 space,
adamc@269 725 p_exp env e1,
adamc@269 726 string ";",
adamc@269 727 newline,
adamc@269 728 p_exp (E.pushERel env x t) e2,
adamc@269 729 string ";",
adamc@269 730 newline,
adamc@269 731 string "})"]
adamc@269 732
adamc@282 733 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 734 let
adamc@316 735 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 736 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 737 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 738 tables
adamc@278 739
adamc@278 740 val outputs = exps @ tables
adamc@325 741 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 742
adamc@324 743 val wontLeakStrings = notLeaky env true state
adamc@324 744 val wontLeakAnything = notLeaky env false state
adamc@278 745 in
adamc@324 746 box [string "(uw_begin_region(ctx), ",
adamc@324 747 if wontLeakAnything then
adamc@331 748 string "uw_begin_region(ctx), "
adamc@324 749 else
adamc@324 750 box [],
adamc@324 751 string "({",
adamc@278 752 newline,
adamc@311 753 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 754 newline,
adamc@282 755 case prepared of
adamc@282 756 NONE => box [string "char *query = ",
adamc@282 757 p_exp env query,
adamc@282 758 string ";",
adamc@282 759 newline]
adamc@282 760 | SOME _ =>
adamc@282 761 let
adamc@282 762 val ets = getPargs query
adamc@282 763 in
adamc@282 764 box [p_list_sepi newline
adamc@282 765 (fn i => fn (e, t) =>
adamc@282 766 box [p_sql_type t,
adamc@282 767 space,
adamc@282 768 string "arg",
adamc@282 769 string (Int.toString (i + 1)),
adamc@282 770 space,
adamc@282 771 string "=",
adamc@282 772 space,
adamc@282 773 p_exp env e,
adamc@282 774 string ";"])
adamc@282 775 ets,
adamc@282 776 newline,
adamc@282 777 newline,
adamc@282 778
adamc@282 779 string "const char *paramValues[] = { ",
adamc@282 780 p_list_sepi (box [string ",", space])
adamc@282 781 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 782 string (Int.toString (i + 1))]))
adamc@282 783 ets,
adamc@282 784 string " };",
adamc@282 785 newline,
adamc@282 786 newline]
adamc@282 787 end,
adamc@278 788 string "int n, i;",
adamc@278 789 newline,
adamc@278 790 p_typ env state,
adamc@278 791 space,
adamc@278 792 string "acc",
adamc@278 793 space,
adamc@278 794 string "=",
adamc@278 795 space,
adamc@278 796 p_exp env initial,
adamc@278 797 string ";",
adamc@278 798 newline,
adamc@282 799 string "PGresult *res = ",
adamc@282 800 case prepared of
adamc@295 801 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 802 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 803 string (Int.toString n),
adamc@282 804 string "\", ",
adamc@282 805 string (Int.toString (length (getPargs query))),
adamc@295 806 string ", paramValues, NULL, NULL, 0);"],
adamc@278 807 newline,
adamc@278 808 newline,
adamc@277 809
adamc@311 810 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 811 newline,
adamc@278 812 newline,
adamc@277 813
adamc@278 814 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 815 newline,
adamc@278 816 box [string "PQclear(res);",
adamc@278 817 newline,
adamc@311 818 string "uw_error(ctx, FATAL, \"",
adamc@278 819 string (ErrorMsg.spanToString loc),
adamc@282 820 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 821 case prepared of
adamc@282 822 NONE => string "query"
adamc@282 823 | SOME _ => p_exp env query,
adamc@282 824 string ", PQerrorMessage(conn));",
adamc@278 825 newline],
adamc@278 826 string "}",
adamc@278 827 newline,
adamc@278 828 newline,
adamc@277 829
adamc@323 830 string "uw_end_region(ctx);",
adamc@323 831 newline,
adamc@278 832 string "n = PQntuples(res);",
adamc@278 833 newline,
adamc@278 834 string "for (i = 0; i < n; ++i) {",
adamc@278 835 newline,
adamc@278 836 box [string "struct",
adamc@278 837 space,
adamc@311 838 string "__uws_",
adamc@278 839 string (Int.toString rnum),
adamc@278 840 space,
adamc@311 841 string "__uwr_r_",
adamc@278 842 string (Int.toString (E.countERels env)),
adamc@278 843 string ";",
adamc@278 844 newline,
adamc@278 845 p_typ env state,
adamc@278 846 space,
adamc@311 847 string "__uwr_acc_",
adamc@278 848 string (Int.toString (E.countERels env + 1)),
adamc@278 849 space,
adamc@278 850 string "=",
adamc@278 851 space,
adamc@278 852 string "acc;",
adamc@278 853 newline,
adamc@278 854 newline,
adamc@278 855
adamc@278 856 p_list_sepi (box []) (fn i =>
adamc@278 857 fn (proj, t) =>
adamc@311 858 box [string "__uwr_r_",
adamc@278 859 string (Int.toString (E.countERels env)),
adamc@278 860 string ".",
adamc@278 861 string proj,
adamc@278 862 space,
adamc@278 863 string "=",
adamc@278 864 space,
adamc@324 865 p_unsql wontLeakStrings env t
adamc@278 866 (box [string "PQgetvalue(res, i, ",
adamc@278 867 string (Int.toString i),
adamc@278 868 string ")"]),
adamc@278 869 string ";",
adamc@278 870 newline]) outputs,
adamc@278 871
adamc@278 872 newline,
adamc@278 873 newline,
adamc@278 874
adamc@278 875 string "acc",
adamc@278 876 space,
adamc@278 877 string "=",
adamc@278 878 space,
adamc@278 879 p_exp (E.pushERel
adamc@278 880 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 881 "acc" state)
adamc@278 882 body,
adamc@278 883 string ";",
adamc@278 884 newline],
adamc@278 885 string "}",
adamc@278 886 newline,
adamc@278 887 newline,
adamc@278 888 string "PQclear(res);",
adamc@278 889 newline,
adamc@324 890 if wontLeakAnything then
adamc@324 891 box [string "uw_end_region(ctx);",
adamc@324 892 newline]
adamc@324 893 else
adamc@324 894 box [],
adamc@278 895 string "acc;",
adamc@278 896 newline,
adamc@323 897 string "}))"]
adamc@278 898 end
adamc@106 899
adamc@307 900 | EDml {dml, prepared} =>
adamc@337 901 box [string "(uw_begin_region(ctx), ({",
adamc@307 902 newline,
adamc@311 903 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 904 newline,
adamc@307 905 case prepared of
adamc@307 906 NONE => box [string "char *dml = ",
adamc@307 907 p_exp env dml,
adamc@307 908 string ";",
adamc@307 909 newline]
adamc@307 910 | SOME _ =>
adamc@307 911 let
adamc@307 912 val ets = getPargs dml
adamc@307 913 in
adamc@307 914 box [p_list_sepi newline
adamc@307 915 (fn i => fn (e, t) =>
adamc@307 916 box [p_sql_type t,
adamc@307 917 space,
adamc@307 918 string "arg",
adamc@307 919 string (Int.toString (i + 1)),
adamc@307 920 space,
adamc@307 921 string "=",
adamc@307 922 space,
adamc@307 923 p_exp env e,
adamc@307 924 string ";"])
adamc@307 925 ets,
adamc@307 926 newline,
adamc@307 927 newline,
adamc@307 928
adamc@307 929 string "const char *paramValues[] = { ",
adamc@307 930 p_list_sepi (box [string ",", space])
adamc@307 931 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 932 string (Int.toString (i + 1))]))
adamc@307 933 ets,
adamc@307 934 string " };",
adamc@307 935 newline,
adamc@307 936 newline]
adamc@307 937 end,
adamc@307 938 newline,
adamc@307 939 newline,
adamc@307 940 string "PGresult *res = ",
adamc@307 941 case prepared of
adamc@307 942 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 943 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 944 string (Int.toString n),
adamc@307 945 string "\", ",
adamc@307 946 string (Int.toString (length (getPargs dml))),
adamc@307 947 string ", paramValues, NULL, NULL, 0);"],
adamc@307 948 newline,
adamc@307 949 newline,
adamc@307 950
adamc@311 951 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 952 newline,
adamc@307 953 newline,
adamc@307 954
adamc@307 955 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 956 newline,
adamc@307 957 box [string "PQclear(res);",
adamc@307 958 newline,
adamc@311 959 string "uw_error(ctx, FATAL, \"",
adamc@307 960 string (ErrorMsg.spanToString loc),
adamc@307 961 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 962 case prepared of
adamc@307 963 NONE => string "dml"
adamc@307 964 | SOME _ => p_exp env dml,
adamc@307 965 string ", PQerrorMessage(conn));",
adamc@307 966 newline],
adamc@307 967 string "}",
adamc@307 968 newline,
adamc@307 969 newline,
adamc@307 970
adamc@307 971 string "PQclear(res);",
adamc@307 972 newline,
adamc@337 973 string "uw_end_region(ctx);",
adamc@337 974 newline,
adamc@311 975 string "uw_unit_v;",
adamc@307 976 newline,
adamc@337 977 string "}))"]
adamc@307 978
adamc@338 979 | ENextval {seq, prepared} =>
adamc@338 980 let
adamc@338 981 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@338 982 val query = (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@338 983 in
adamc@338 984 box [string "(uw_begin_region(ctx), ",
adamc@338 985 string "({",
adamc@338 986 newline,
adamc@338 987 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 988 newline,
adamc@338 989 case prepared of
adamc@338 990 NONE => box [string "char *query = ",
adamc@338 991 p_exp env query,
adamc@338 992 string ";",
adamc@338 993 newline]
adamc@338 994 | SOME _ =>
adamc@338 995 box [],
adamc@338 996 newline,
adamc@338 997 string "PGresult *res = ",
adamc@338 998 case prepared of
adamc@338 999 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1000 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1001 string (Int.toString n),
adamc@338 1002 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1003 newline,
adamc@338 1004 string "uw_Basis_int n;",
adamc@338 1005 newline,
adamc@338 1006 newline,
adamc@338 1007
adamc@338 1008 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1009 newline,
adamc@338 1010 newline,
adamc@338 1011
adamc@338 1012 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1013 newline,
adamc@338 1014 box [string "PQclear(res);",
adamc@338 1015 newline,
adamc@338 1016 string "uw_error(ctx, FATAL, \"",
adamc@338 1017 string (ErrorMsg.spanToString loc),
adamc@338 1018 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1019 case prepared of
adamc@338 1020 NONE => string "query"
adamc@338 1021 | SOME _ => p_exp env query,
adamc@338 1022 string ", PQerrorMessage(conn));",
adamc@338 1023 newline],
adamc@338 1024 string "}",
adamc@338 1025 newline,
adamc@338 1026 newline,
adamc@338 1027
adamc@338 1028 string "uw_end_region(ctx);",
adamc@338 1029 newline,
adamc@338 1030 string "n = PQntuples(res);",
adamc@338 1031 newline,
adamc@338 1032 string "if (n != 1) {",
adamc@338 1033 newline,
adamc@338 1034 box [string "PQclear(res);",
adamc@338 1035 newline,
adamc@338 1036 string "uw_error(ctx, FATAL, \"",
adamc@338 1037 string (ErrorMsg.spanToString loc),
adamc@338 1038 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1039 case prepared of
adamc@338 1040 NONE => string "query"
adamc@338 1041 | SOME _ => p_exp env query,
adamc@338 1042 string ", PQerrorMessage(conn));",
adamc@338 1043 newline],
adamc@338 1044 string "}",
adamc@338 1045 newline,
adamc@338 1046 newline,
adamc@338 1047
adamc@338 1048 string "n = ",
adamc@338 1049 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1050 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1051 string ";",
adamc@338 1052 newline,
adamc@338 1053 string "PQclear(res);",
adamc@338 1054 newline,
adamc@338 1055 string "n;",
adamc@338 1056 newline,
adamc@338 1057 string "}))"]
adamc@338 1058 end
adamc@338 1059
adamc@29 1060 and p_exp env = p_exp' false env
adamc@29 1061
adamc@129 1062 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1063 let
adamc@129 1064 val nargs = length args
adamc@129 1065 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1066 in
adamc@129 1067 box [string "static",
adamc@129 1068 space,
adamc@129 1069 p_typ env ran,
adamc@129 1070 space,
adamc@316 1071 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1072 string "(",
adamc@129 1073 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1074 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1075 box [p_typ env dom,
adamc@129 1076 space,
adamc@129 1077 p_rel env' (nargs - i - 1)]) args),
adamc@129 1078 string ")",
adamc@129 1079 space,
adamc@129 1080 string "{",
adamc@129 1081 newline,
adamc@129 1082 box[string "return(",
adamc@129 1083 p_exp env' e,
adamc@129 1084 string ");"],
adamc@129 1085 newline,
adamc@129 1086 string "}"]
adamc@129 1087 end
adamc@129 1088
adamc@129 1089 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1090 case d of
adamc@29 1091 DStruct (n, xts) =>
adamc@196 1092 let
adamc@196 1093 val env = E.declBinds env dAll
adamc@196 1094 in
adamc@196 1095 box [string "struct",
adamc@196 1096 space,
adamc@311 1097 string ("__uws_" ^ Int.toString n),
adamc@196 1098 space,
adamc@196 1099 string "{",
adamc@196 1100 newline,
adamc@196 1101 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1102 space,
adamc@311 1103 string "__uwf_",
adamc@316 1104 p_ident x,
adamc@196 1105 string ";",
adamc@196 1106 newline]) xts,
adamc@196 1107 string "};"]
adamc@196 1108 end
adamc@188 1109 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1110 box [string "enum",
adamc@188 1111 space,
adamc@316 1112 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1113 space,
adamc@188 1114 string "{",
adamc@188 1115 space,
adamc@316 1116 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1117 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1118 space,
adamc@188 1119 string "};"]
adamc@198 1120 | DDatatype (Option, _, _, _) => box []
adamc@188 1121 | DDatatype (Default, x, n, xncs) =>
adamc@165 1122 let
adamc@165 1123 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1124 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1125 in
adamc@165 1126 box [string "enum",
adamc@165 1127 space,
adamc@316 1128 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1129 space,
adamc@165 1130 string "{",
adamc@165 1131 space,
adamc@316 1132 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1133 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1134 space,
adamc@165 1135 string "};",
adamc@165 1136 newline,
adamc@165 1137 newline,
adamc@165 1138 string "struct",
adamc@165 1139 space,
adamc@316 1140 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1141 space,
adamc@165 1142 string "{",
adamc@165 1143 newline,
adamc@165 1144 string "enum",
adamc@165 1145 space,
adamc@316 1146 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1147 space,
adamc@165 1148 string "tag;",
adamc@165 1149 newline,
adamc@165 1150 box (case xncsArgs of
adamc@165 1151 [] => []
adamc@165 1152 | _ => [string "union",
adamc@165 1153 space,
adamc@165 1154 string "{",
adamc@165 1155 newline,
adamc@165 1156 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1157 space,
adamc@316 1158 string ("uw_" ^ ident x),
adamc@165 1159 string ";"]) xncsArgs,
adamc@165 1160 newline,
adamc@165 1161 string "}",
adamc@165 1162 space,
adamc@165 1163 string "data;",
adamc@165 1164 newline]),
adamc@165 1165 string "};"]
adamc@188 1166 end
adamc@29 1167
adamc@196 1168 | DDatatypeForward _ => box []
adamc@196 1169
adamc@29 1170 | DVal (x, n, t, e) =>
adamc@29 1171 box [p_typ env t,
adamc@29 1172 space,
adamc@316 1173 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1174 space,
adamc@29 1175 string "=",
adamc@29 1176 space,
adamc@29 1177 p_exp env e,
adamc@29 1178 string ";"]
adamc@129 1179 | DFun vi => p_fun env vi
adamc@129 1180 | DFunRec vis =>
adamc@29 1181 let
adamc@129 1182 val env = E.declBinds env dAll
adamc@29 1183 in
adamc@129 1184 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1185 box [string "static",
adamc@129 1186 space,
adamc@129 1187 p_typ env ran,
adamc@129 1188 space,
adamc@316 1189 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1190 string "(uw_context,",
adamc@129 1191 space,
adamc@129 1192 p_list_sep (box [string ",", space])
adamc@129 1193 (fn (_, dom) => p_typ env dom) args,
adamc@129 1194 string ");"]) vis,
adamc@29 1195 newline,
adamc@129 1196 p_list_sep newline (p_fun env) vis,
adamc@129 1197 newline]
adamc@29 1198 end
adamc@273 1199 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1200 string x,
adamc@273 1201 string " */",
adamc@273 1202 newline]
adamc@338 1203 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1204 string x,
adamc@338 1205 string " */",
adamc@338 1206 newline]
adamc@311 1207 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1208 newline,
adamc@311 1209 string "static void uw_db_prepare(uw_context);",
adamc@282 1210 newline,
adamc@275 1211 newline,
adamc@311 1212 string "void uw_db_init(uw_context ctx) {",
adamc@273 1213 newline,
adamc@272 1214 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1215 string (String.toString s),
adamc@272 1216 string "\");",
adamc@272 1217 newline,
adamc@311 1218 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1219 string "\"libpq can't allocate a connection.\");",
adamc@272 1220 newline,
adamc@272 1221 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1222 newline,
adamc@272 1223 box [string "char msg[1024];",
adamc@272 1224 newline,
adamc@272 1225 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1226 newline,
adamc@272 1227 string "msg[1023] = 0;",
adamc@272 1228 newline,
adamc@272 1229 string "PQfinish(conn);",
adamc@272 1230 newline,
adamc@311 1231 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1232 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1233 newline,
adamc@272 1234 string "}",
adamc@272 1235 newline,
adamc@311 1236 string "uw_set_db(ctx, conn);",
adamc@272 1237 newline,
adamc@311 1238 string "uw_db_validate(ctx);",
adamc@275 1239 newline,
adamc@311 1240 string "uw_db_prepare(ctx);",
adamc@282 1241 newline,
adamc@272 1242 string "}",
adamc@272 1243 newline,
adamc@272 1244 newline,
adamc@311 1245 string "void uw_db_close(uw_context ctx) {",
adamc@272 1246 newline,
adamc@311 1247 string "PQfinish(uw_get_db(ctx));",
adamc@272 1248 newline,
adamc@272 1249 string "}",
adamc@272 1250 newline]
adamc@29 1251
adamc@282 1252 | DPreparedStatements ss =>
adamc@311 1253 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1254 newline,
adamc@311 1255 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1256 newline,
adamc@282 1257 string "PGresult *res;",
adamc@282 1258 newline,
adamc@282 1259 newline,
adamc@282 1260
adamc@282 1261 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1262 box [string "res = PQprepare(conn, \"uw",
adamc@282 1263 string (Int.toString i),
adamc@282 1264 string "\", \"",
adamc@282 1265 string (String.toString s),
adamc@282 1266 string "\", ",
adamc@282 1267 string (Int.toString n),
adamc@282 1268 string ", NULL);",
adamc@282 1269 newline,
adamc@282 1270 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1271 newline,
adamc@282 1272 box [string "char msg[1024];",
adamc@282 1273 newline,
adamc@282 1274 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1275 newline,
adamc@282 1276 string "msg[1023] = 0;",
adamc@282 1277 newline,
adamc@282 1278 string "PQclear(res);",
adamc@282 1279 newline,
adamc@282 1280 string "PQfinish(conn);",
adamc@282 1281 newline,
adamc@311 1282 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1283 string (String.toString s),
adamc@282 1284 string "\\n%s\", msg);",
adamc@282 1285 newline],
adamc@282 1286 string "}",
adamc@282 1287 newline,
adamc@282 1288 string "PQclear(res);",
adamc@282 1289 newline])
adamc@282 1290 ss,
adamc@282 1291
adamc@282 1292 string "}"]
adamc@282 1293
adamc@144 1294 datatype 'a search =
adamc@144 1295 Found of 'a
adamc@144 1296 | NotFound
adamc@144 1297 | Error
adamc@120 1298
adamc@275 1299 fun p_sqltype' env (tAll as (t, loc)) =
adamc@275 1300 case t of
adamc@275 1301 TFfi ("Basis", "int") => "int8"
adamc@275 1302 | TFfi ("Basis", "float") => "float8"
adamc@275 1303 | TFfi ("Basis", "string") => "text"
adamc@275 1304 | TFfi ("Basis", "bool") => "bool"
adamc@275 1305 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1306 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1307 "ERROR")
adamc@275 1308
adamc@275 1309 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1310
adamc@101 1311 fun p_file env (ds, ps) =
adamc@29 1312 let
adamc@101 1313 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1314 (p_decl env d,
adamc@31 1315 E.declBinds env d))
adamc@101 1316 env ds
adamc@144 1317
adamc@144 1318 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1319 case ek of
adamc@144 1320 Core.Link => fields
adamc@144 1321 | Core.Action =>
adamc@280 1322 case List.nth (ts, length ts - 2) of
adamc@144 1323 (TRecord i, _) =>
adamc@144 1324 let
adamc@144 1325 val xts = E.lookupStruct env i
adamc@144 1326 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1327 in
adamc@144 1328 foldl (fn ((x, _), fields) =>
adamc@144 1329 let
adamc@144 1330 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1331 in
adamc@144 1332 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1333 xtsSet'))
adamc@144 1334 end) fields xts
adamc@144 1335 end
adamc@144 1336 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1337 SM.empty ps
adamc@144 1338
adamc@144 1339 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1340 let
adamc@144 1341 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1342 case SM.find (fnums, x') of
adamc@144 1343 NONE => unusable
adamc@144 1344 | SOME n => IS.add (unusable, n))
adamc@144 1345 IS.empty xs
adamc@144 1346
adamc@144 1347 fun findAvailable n =
adamc@144 1348 if IS.member (unusable, n) then
adamc@144 1349 findAvailable (n + 1)
adamc@144 1350 else
adamc@144 1351 n
adamc@144 1352 in
adamc@144 1353 SM.insert (fnums, x, findAvailable 0)
adamc@144 1354 end)
adamc@144 1355 SM.empty fields
adamc@144 1356
adamc@144 1357 fun makeSwitch (fnums, i) =
adamc@144 1358 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1359 | (n, Error) => Error
adamc@144 1360 | (n, Found n') => if n = n' then
adamc@144 1361 Found n'
adamc@144 1362 else
adamc@144 1363 Error) NotFound fnums of
adamc@144 1364 NotFound => box [string "return",
adamc@144 1365 space,
adamc@144 1366 string "-1;"]
adamc@144 1367 | Found n => box [string "return",
adamc@144 1368 space,
adamc@144 1369 string (Int.toString n),
adamc@144 1370 string ";"]
adamc@144 1371 | Error =>
adamc@144 1372 let
adamc@144 1373 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1374 let
adamc@144 1375 val ch = if i < size x then
adamc@144 1376 String.sub (x, i)
adamc@144 1377 else
adamc@144 1378 chr 0
adamc@144 1379
adamc@144 1380 val fnums = case CM.find (cmap, ch) of
adamc@144 1381 NONE => SM.empty
adamc@144 1382 | SOME fnums => fnums
adamc@144 1383 val fnums = SM.insert (fnums, x, n)
adamc@144 1384 in
adamc@144 1385 CM.insert (cmap, ch, fnums)
adamc@144 1386 end)
adamc@144 1387 CM.empty fnums
adamc@144 1388
adamc@144 1389 val cmap = CM.listItemsi cmap
adamc@144 1390 in
adamc@144 1391 case cmap of
adamc@144 1392 [(_, fnums)] =>
adamc@144 1393 box [string "if",
adamc@144 1394 space,
adamc@144 1395 string "(name[",
adamc@144 1396 string (Int.toString i),
adamc@144 1397 string "]",
adamc@144 1398 space,
adamc@144 1399 string "==",
adamc@144 1400 space,
adamc@144 1401 string "0)",
adamc@144 1402 space,
adamc@144 1403 string "return",
adamc@144 1404 space,
adamc@144 1405 string "-1;",
adamc@144 1406 newline,
adamc@144 1407 makeSwitch (fnums, i+1)]
adamc@144 1408 | _ =>
adamc@144 1409 box [string "switch",
adamc@144 1410 space,
adamc@144 1411 string "(name[",
adamc@144 1412 string (Int.toString i),
adamc@144 1413 string "])",
adamc@144 1414 space,
adamc@144 1415 string "{",
adamc@144 1416 newline,
adamc@144 1417 box (map (fn (ch, fnums) =>
adamc@144 1418 box [string "case",
adamc@144 1419 space,
adamc@144 1420 if ch = chr 0 then
adamc@144 1421 string "0:"
adamc@144 1422 else
adamc@144 1423 box [string "'",
adamc@144 1424 string (Char.toString ch),
adamc@144 1425 string "':"],
adamc@144 1426 newline,
adamc@144 1427 makeSwitch (fnums, i+1),
adamc@144 1428 newline]) cmap),
adamc@144 1429 string "default:",
adamc@144 1430 newline,
adamc@144 1431 string "return",
adamc@144 1432 space,
adamc@144 1433 string "-1;",
adamc@144 1434 newline,
adamc@144 1435 string "}"]
adamc@144 1436 end
adamc@144 1437
adamc@186 1438 fun capitalize s =
adamc@186 1439 if s = "" then
adamc@186 1440 ""
adamc@186 1441 else
adamc@186 1442 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@186 1443
adamc@144 1444 fun unurlify (t, loc) =
adamc@144 1445 case t of
adamc@316 1446 TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@144 1447
adamc@311 1448 | TRecord 0 => string "uw_unit_v"
adamc@144 1449 | TRecord i =>
adamc@144 1450 let
adamc@144 1451 val xts = E.lookupStruct env i
adamc@144 1452 in
adamc@144 1453 box [string "({",
adamc@144 1454 newline,
adamc@144 1455 box (map (fn (x, t) =>
adamc@144 1456 box [p_typ env t,
adamc@144 1457 space,
adamc@144 1458 string x,
adamc@144 1459 space,
adamc@144 1460 string "=",
adamc@144 1461 space,
adamc@144 1462 unurlify t,
adamc@144 1463 string ";",
adamc@144 1464 newline]) xts),
adamc@144 1465 string "struct",
adamc@144 1466 space,
adamc@311 1467 string "__uws_",
adamc@144 1468 string (Int.toString i),
adamc@144 1469 space,
adamc@181 1470 string "tmp",
adamc@144 1471 space,
adamc@144 1472 string "=",
adamc@144 1473 space,
adamc@144 1474 string "{",
adamc@144 1475 space,
adamc@144 1476 p_list_sep (box [string ",", space]) (fn (x, _) => string x) xts,
adamc@144 1477 space,
adamc@144 1478 string "};",
adamc@144 1479 newline,
adamc@181 1480 string "tmp;",
adamc@144 1481 newline,
adamc@144 1482 string "})"]
adamc@144 1483 end
adamc@144 1484
adamc@188 1485 | TDatatype (Enum, i, _) =>
adamc@188 1486 let
adamc@188 1487 val (x, xncs) = E.lookupDatatype env i
adamc@188 1488
adamc@188 1489 fun doEm xncs =
adamc@188 1490 case xncs of
adamc@311 1491 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), (enum __uwe_"
adamc@188 1492 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@188 1493 | (x', n, to) :: rest =>
adamc@188 1494 box [string "((!strncmp(request, \"",
adamc@188 1495 string x',
adamc@188 1496 string "\", ",
adamc@188 1497 string (Int.toString (size x')),
adamc@188 1498 string ") && (request[",
adamc@188 1499 string (Int.toString (size x')),
adamc@188 1500 string "] == 0 || request[",
adamc@188 1501 string (Int.toString (size x')),
adamc@316 1502 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@188 1503 space,
adamc@188 1504 string ":",
adamc@188 1505 space,
adamc@188 1506 doEm rest,
adamc@188 1507 string ")"]
adamc@188 1508 in
adamc@188 1509 doEm xncs
adamc@188 1510 end
adamc@188 1511
adamc@198 1512 | TDatatype (Option, i, xncs) =>
adamc@198 1513 let
adamc@198 1514 val (x, _) = E.lookupDatatype env i
adamc@198 1515
adamc@198 1516 val (no_arg, has_arg, t) =
adamc@198 1517 case !xncs of
adamc@198 1518 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@198 1519 (no_arg, has_arg, t)
adamc@198 1520 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@198 1521 (no_arg, has_arg, t)
adamc@198 1522 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@198 1523 in
adamc@198 1524 box [string "(request[0] == '/' ? ++request : request,",
adamc@198 1525 newline,
adamc@198 1526 string "((!strncmp(request, \"",
adamc@198 1527 string no_arg,
adamc@198 1528 string "\", ",
adamc@198 1529 string (Int.toString (size no_arg)),
adamc@198 1530 string ") && (request[",
adamc@198 1531 string (Int.toString (size no_arg)),
adamc@198 1532 string "] == 0 || request[",
adamc@198 1533 string (Int.toString (size no_arg)),
adamc@198 1534 string "] == '/')) ? (request",
adamc@198 1535 space,
adamc@198 1536 string "+=",
adamc@198 1537 space,
adamc@198 1538 string (Int.toString (size no_arg)),
adamc@198 1539 string ", NULL) : ((!strncmp(request, \"",
adamc@198 1540 string has_arg,
adamc@198 1541 string "\", ",
adamc@198 1542 string (Int.toString (size has_arg)),
adamc@198 1543 string ") && (request[",
adamc@198 1544 string (Int.toString (size has_arg)),
adamc@198 1545 string "] == 0 || request[",
adamc@198 1546 string (Int.toString (size has_arg)),
adamc@198 1547 string "] == '/')) ? (request",
adamc@198 1548 space,
adamc@198 1549 string "+=",
adamc@198 1550 space,
adamc@198 1551 string (Int.toString (size has_arg)),
adamc@200 1552 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@200 1553 newline,
adamc@198 1554
adamc@198 1555 case #1 t of
adamc@198 1556 TDatatype _ => unurlify t
adamc@199 1557 | TFfi ("Basis", "string") => unurlify t
adamc@198 1558 | _ => box [string "({",
adamc@198 1559 newline,
adamc@198 1560 p_typ env t,
adamc@198 1561 space,
adamc@198 1562 string "*tmp",
adamc@198 1563 space,
adamc@198 1564 string "=",
adamc@198 1565 space,
adamc@311 1566 string "uw_malloc(ctx, sizeof(",
adamc@198 1567 p_typ env t,
adamc@198 1568 string "));",
adamc@198 1569 newline,
adamc@198 1570 string "*tmp",
adamc@198 1571 space,
adamc@198 1572 string "=",
adamc@198 1573 space,
adamc@198 1574 unurlify t,
adamc@198 1575 string ";",
adamc@198 1576 newline,
adamc@198 1577 string "tmp;",
adamc@198 1578 newline,
adamc@198 1579 string "})"],
adamc@198 1580 string ")",
adamc@198 1581 newline,
adamc@198 1582 string ":",
adamc@198 1583 space,
adamc@311 1584 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL))))")]
adamc@198 1585 end
adamc@198 1586
adamc@188 1587 | TDatatype (Default, i, _) =>
adamc@166 1588 let
adamc@166 1589 val (x, xncs) = E.lookupDatatype env i
adamc@166 1590
adamc@166 1591 fun doEm xncs =
adamc@166 1592 case xncs of
adamc@311 1593 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)")
adamc@167 1594 | (x', n, to) :: rest =>
adamc@167 1595 box [string "((!strncmp(request, \"",
adamc@167 1596 string x',
adamc@167 1597 string "\", ",
adamc@167 1598 string (Int.toString (size x')),
adamc@167 1599 string ") && (request[",
adamc@167 1600 string (Int.toString (size x')),
adamc@167 1601 string "] == 0 || request[",
adamc@167 1602 string (Int.toString (size x')),
adamc@167 1603 string "] == '/')) ? ({",
adamc@166 1604 newline,
adamc@167 1605 string "struct",
adamc@167 1606 space,
adamc@316 1607 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@166 1608 space,
adamc@311 1609 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@167 1610 string x,
adamc@167 1611 string "_",
adamc@167 1612 string (Int.toString i),
adamc@167 1613 string "));",
adamc@166 1614 newline,
adamc@181 1615 string "tmp->tag",
adamc@166 1616 space,
adamc@166 1617 string "=",
adamc@166 1618 space,
adamc@316 1619 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@166 1620 string ";",
adamc@166 1621 newline,
adamc@166 1622 string "request",
adamc@166 1623 space,
adamc@166 1624 string "+=",
adamc@166 1625 space,
adamc@167 1626 string (Int.toString (size x')),
adamc@166 1627 string ";",
adamc@166 1628 newline,
adamc@200 1629 string "if (request[0] == '/') ++request;",
adamc@200 1630 newline,
adamc@166 1631 case to of
adamc@166 1632 NONE => box []
adamc@311 1633 | SOME t => box [string "tmp->data.uw_",
adamc@316 1634 p_ident x',
adamc@166 1635 space,
adamc@166 1636 string "=",
adamc@166 1637 space,
adamc@166 1638 unurlify t,
adamc@166 1639 string ";",
adamc@166 1640 newline],
adamc@181 1641 string "tmp;",
adamc@166 1642 newline,
adamc@166 1643 string "})",
adamc@166 1644 space,
adamc@166 1645 string ":",
adamc@166 1646 space,
adamc@166 1647 doEm rest,
adamc@166 1648 string ")"]
adamc@166 1649 in
adamc@166 1650 doEm xncs
adamc@166 1651 end
adamc@166 1652
adamc@144 1653 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@144 1654 space)
adamc@144 1655
adamc@144 1656
adamc@144 1657 fun p_page (ek, s, n, ts) =
adamc@144 1658 let
adamc@144 1659 val (ts, defInputs, inputsVar) =
adamc@144 1660 case ek of
adamc@314 1661 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1662 | Core.Action =>
adamc@280 1663 case List.nth (ts, length ts - 2) of
adamc@144 1664 (TRecord i, _) =>
adamc@144 1665 let
adamc@144 1666 val xts = E.lookupStruct env i
adamc@144 1667 in
adamc@280 1668 (List.take (ts, length ts - 2),
adamc@144 1669 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1670 space,
adamc@311 1671 string "uw_input_",
adamc@316 1672 p_ident x,
adamc@144 1673 string ";",
adamc@144 1674 newline]) xts),
adamc@144 1675 newline,
adamc@144 1676 box (map (fn (x, t) =>
adamc@144 1677 let
adamc@144 1678 val n = case SM.find (fnums, x) of
adamc@144 1679 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1680 | SOME n => n
adamc@190 1681
adamc@190 1682 val f = case t of
adamc@190 1683 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1684 | _ => ""
adamc@144 1685 in
adamc@311 1686 box [string "request = uw_get_",
adamc@190 1687 string f,
adamc@190 1688 string "input(ctx, ",
adamc@144 1689 string (Int.toString n),
adamc@144 1690 string ");",
adamc@144 1691 newline,
adamc@144 1692 string "if (request == NULL) {",
adamc@144 1693 newline,
adamc@144 1694 box [string "printf(\"Missing input ",
adamc@144 1695 string x,
adamc@144 1696 string "\\n\");",
adamc@144 1697 newline,
adamc@144 1698 string "exit(1);"],
adamc@144 1699 newline,
adamc@144 1700 string "}",
adamc@144 1701 newline,
adamc@311 1702 string "uw_input_",
adamc@316 1703 p_ident x,
adamc@144 1704 space,
adamc@144 1705 string "=",
adamc@144 1706 space,
adamc@144 1707 unurlify t,
adamc@144 1708 string ";",
adamc@144 1709 newline]
adamc@144 1710 end) xts),
adamc@311 1711 string "struct __uws_",
adamc@144 1712 string (Int.toString i),
adamc@144 1713 space,
adamc@311 1714 string "uw_inputs",
adamc@144 1715 space,
adamc@144 1716 string "= {",
adamc@144 1717 newline,
adamc@311 1718 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 1719 p_ident x,
adamc@144 1720 string ",",
adamc@144 1721 newline]) xts),
adamc@144 1722 string "};",
adamc@144 1723 newline],
adamc@144 1724 box [string ",",
adamc@144 1725 space,
adamc@311 1726 string "uw_inputs"])
adamc@144 1727 end
adamc@144 1728
adamc@144 1729 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1730 in
adamc@144 1731 box [string "if (!strncmp(request, \"",
adamc@144 1732 string (String.toString s),
adamc@144 1733 string "\", ",
adamc@144 1734 string (Int.toString (size s)),
adamc@198 1735 string ") && (request[",
adamc@198 1736 string (Int.toString (size s)),
adamc@198 1737 string "] == 0 || request[",
adamc@198 1738 string (Int.toString (size s)),
adamc@198 1739 string "] == '/')) {",
adamc@144 1740 newline,
adamc@144 1741 string "request += ",
adamc@144 1742 string (Int.toString (size s)),
adamc@144 1743 string ";",
adamc@144 1744 newline,
adamc@144 1745 string "if (*request == '/') ++request;",
adamc@144 1746 newline,
adamc@144 1747 box [string "{",
adamc@144 1748 newline,
adamc@144 1749 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 1750 space,
adamc@144 1751 string "arg",
adamc@144 1752 string (Int.toString i),
adamc@144 1753 space,
adamc@144 1754 string "=",
adamc@144 1755 space,
adamc@144 1756 unurlify t,
adamc@144 1757 string ";",
adamc@144 1758 newline]) ts),
adamc@144 1759 defInputs,
adamc@144 1760 p_enamed env n,
adamc@144 1761 string "(",
adamc@144 1762 p_list_sep (box [string ",", space])
adamc@144 1763 (fn x => x)
adamc@272 1764 (string "ctx"
adamc@280 1765 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 1766 inputsVar,
adamc@311 1767 string ", uw_unit_v);",
adamc@144 1768 newline,
adamc@144 1769 string "return;",
adamc@144 1770 newline,
adamc@144 1771 string "}",
adamc@144 1772 newline,
adamc@144 1773 string "}"]
adamc@144 1774 ]
adamc@144 1775 end
adamc@144 1776
adamc@144 1777 val pds' = map p_page ps
adamc@275 1778
adamc@275 1779 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 1780 | _ => NONE) ds
adamc@275 1781
adamc@275 1782 val validate =
adamc@311 1783 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 1784 newline,
adamc@311 1785 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 1786 newline,
adamc@275 1787 string "PGresult *res;",
adamc@275 1788 newline,
adamc@275 1789 newline,
adamc@275 1790 p_list_sep newline
adamc@275 1791 (fn (s, xts) =>
adamc@275 1792 let
adamc@275 1793 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@275 1794 ^ s ^ "'"
adamc@275 1795
adamc@275 1796 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@275 1797 s,
adamc@275 1798 "') AND (",
adamc@275 1799 String.concatWith " OR "
adamc@275 1800 (map (fn (x, t) =>
adamc@311 1801 String.concat ["(attname = 'uw_",
adamc@275 1802 CharVector.map
adamc@316 1803 Char.toLower (ident x),
adamc@275 1804 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 1805 " WHERE typname = '",
adamc@275 1806 p_sqltype' env t,
adamc@275 1807 "'))"]) xts),
adamc@275 1808 ")"]
adamc@275 1809
adamc@275 1810 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@275 1811 s,
adamc@325 1812 "') AND attname LIKE 'uw_%'"]
adamc@275 1813 in
adamc@275 1814 box [string "res = PQexec(conn, \"",
adamc@275 1815 string q,
adamc@275 1816 string "\");",
adamc@275 1817 newline,
adamc@275 1818 newline,
adamc@275 1819 string "if (res == NULL) {",
adamc@275 1820 newline,
adamc@275 1821 box [string "PQfinish(conn);",
adamc@275 1822 newline,
adamc@311 1823 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1824 newline],
adamc@275 1825 string "}",
adamc@275 1826 newline,
adamc@275 1827 newline,
adamc@275 1828 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1829 newline,
adamc@275 1830 box [string "char msg[1024];",
adamc@275 1831 newline,
adamc@275 1832 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1833 newline,
adamc@275 1834 string "msg[1023] = 0;",
adamc@275 1835 newline,
adamc@275 1836 string "PQclear(res);",
adamc@275 1837 newline,
adamc@275 1838 string "PQfinish(conn);",
adamc@275 1839 newline,
adamc@311 1840 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1841 string q,
adamc@275 1842 string "\\n%s\", msg);",
adamc@275 1843 newline],
adamc@275 1844 string "}",
adamc@275 1845 newline,
adamc@275 1846 newline,
adamc@275 1847 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 1848 newline,
adamc@275 1849 box [string "PQclear(res);",
adamc@275 1850 newline,
adamc@275 1851 string "PQfinish(conn);",
adamc@275 1852 newline,
adamc@311 1853 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1854 string s,
adamc@275 1855 string "' does not exist.\");",
adamc@275 1856 newline],
adamc@275 1857 string "}",
adamc@275 1858 newline,
adamc@275 1859 newline,
adamc@275 1860 string "PQclear(res);",
adamc@275 1861 newline,
adamc@275 1862
adamc@275 1863 string "res = PQexec(conn, \"",
adamc@275 1864 string q',
adamc@275 1865 string "\");",
adamc@275 1866 newline,
adamc@275 1867 newline,
adamc@275 1868 string "if (res == NULL) {",
adamc@275 1869 newline,
adamc@275 1870 box [string "PQfinish(conn);",
adamc@275 1871 newline,
adamc@311 1872 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1873 newline],
adamc@275 1874 string "}",
adamc@275 1875 newline,
adamc@275 1876 newline,
adamc@275 1877 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1878 newline,
adamc@275 1879 box [string "char msg[1024];",
adamc@275 1880 newline,
adamc@275 1881 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1882 newline,
adamc@275 1883 string "msg[1023] = 0;",
adamc@275 1884 newline,
adamc@275 1885 string "PQclear(res);",
adamc@275 1886 newline,
adamc@275 1887 string "PQfinish(conn);",
adamc@275 1888 newline,
adamc@311 1889 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1890 string q',
adamc@275 1891 string "\\n%s\", msg);",
adamc@275 1892 newline],
adamc@275 1893 string "}",
adamc@275 1894 newline,
adamc@275 1895 newline,
adamc@275 1896 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1897 string (Int.toString (length xts)),
adamc@275 1898 string "\")) {",
adamc@275 1899 newline,
adamc@275 1900 box [string "PQclear(res);",
adamc@275 1901 newline,
adamc@275 1902 string "PQfinish(conn);",
adamc@275 1903 newline,
adamc@311 1904 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1905 string s,
adamc@275 1906 string "' has the wrong column types.\");",
adamc@275 1907 newline],
adamc@275 1908 string "}",
adamc@275 1909 newline,
adamc@275 1910 newline,
adamc@275 1911 string "PQclear(res);",
adamc@275 1912 newline,
adamc@275 1913 newline,
adamc@275 1914
adamc@275 1915 string "res = PQexec(conn, \"",
adamc@275 1916 string q'',
adamc@275 1917 string "\");",
adamc@275 1918 newline,
adamc@275 1919 newline,
adamc@275 1920 string "if (res == NULL) {",
adamc@275 1921 newline,
adamc@275 1922 box [string "PQfinish(conn);",
adamc@275 1923 newline,
adamc@311 1924 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1925 newline],
adamc@275 1926 string "}",
adamc@275 1927 newline,
adamc@275 1928 newline,
adamc@275 1929 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1930 newline,
adamc@275 1931 box [string "char msg[1024];",
adamc@275 1932 newline,
adamc@275 1933 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1934 newline,
adamc@275 1935 string "msg[1023] = 0;",
adamc@275 1936 newline,
adamc@275 1937 string "PQclear(res);",
adamc@275 1938 newline,
adamc@275 1939 string "PQfinish(conn);",
adamc@275 1940 newline,
adamc@311 1941 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1942 string q'',
adamc@275 1943 string "\\n%s\", msg);",
adamc@275 1944 newline],
adamc@275 1945 string "}",
adamc@275 1946 newline,
adamc@275 1947 newline,
adamc@275 1948 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1949 string (Int.toString (length xts)),
adamc@275 1950 string "\")) {",
adamc@275 1951 newline,
adamc@275 1952 box [string "PQclear(res);",
adamc@275 1953 newline,
adamc@275 1954 string "PQfinish(conn);",
adamc@275 1955 newline,
adamc@311 1956 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1957 string s,
adamc@275 1958 string "' has extra columns.\");",
adamc@275 1959 newline],
adamc@275 1960 string "}",
adamc@275 1961 newline,
adamc@275 1962 newline,
adamc@275 1963 string "PQclear(res);",
adamc@275 1964 newline]
adamc@275 1965 end) tables,
adamc@275 1966 string "}"]
adamc@29 1967 in
adamc@144 1968 box [string "#include <stdio.h>",
adamc@144 1969 newline,
adamc@144 1970 string "#include <stdlib.h>",
adamc@144 1971 newline,
adamc@272 1972 string "#include <string.h>",
adamc@272 1973 newline,
adamc@272 1974 string "#include <postgresql/libpq-fe.h>",
adamc@272 1975 newline,
adamc@144 1976 newline,
adamc@244 1977 string "#include \"urweb.h\"",
adamc@101 1978 newline,
adamc@101 1979 newline,
adamc@101 1980 p_list_sep newline (fn x => x) pds,
adamc@101 1981 newline,
adamc@311 1982 string "int uw_inputs_len = ",
adamc@144 1983 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 1984 string ";",
adamc@144 1985 newline,
adamc@144 1986 newline,
adamc@311 1987 string "int uw_input_num(char *name) {",
adamc@144 1988 newline,
adamc@144 1989 makeSwitch (fnums, 0),
adamc@144 1990 string "}",
adamc@144 1991 newline,
adamc@144 1992 newline,
adamc@311 1993 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 1994 newline,
adamc@101 1995 p_list_sep newline (fn x => x) pds',
adamc@101 1996 newline,
adamc@101 1997 string "}",
adamc@275 1998 newline,
adamc@275 1999 newline,
adamc@275 2000 validate,
adamc@101 2001 newline]
adamc@29 2002 end
adamc@29 2003
adamc@274 2004 fun p_sql env (ds, _) =
adamc@274 2005 let
adamc@274 2006 val (pps, _) = ListUtil.foldlMap
adamc@274 2007 (fn (dAll as (d, _), env) =>
adamc@274 2008 let
adamc@274 2009 val pp = case d of
adamc@274 2010 DTable (s, xts) =>
adamc@274 2011 box [string "CREATE TABLE ",
adamc@274 2012 string s,
adamc@274 2013 string "(",
adamc@274 2014 p_list (fn (x, t) =>
adamc@311 2015 box [string "uw_",
adamc@275 2016 string (CharVector.map Char.toLower x),
adamc@274 2017 space,
adamc@274 2018 p_sqltype env t,
adamc@274 2019 space,
adamc@274 2020 string "NOT",
adamc@274 2021 space,
adamc@274 2022 string "NULL"]) xts,
adamc@274 2023 string ");",
adamc@274 2024 newline,
adamc@274 2025 newline]
adamc@338 2026 | DSequence s =>
adamc@338 2027 box [string "CREATE SEQUENCE ",
adamc@338 2028 string s,
adamc@338 2029 string ";",
adamc@338 2030 newline,
adamc@338 2031 newline]
adamc@274 2032 | _ => box []
adamc@274 2033 in
adamc@274 2034 (pp, E.declBinds env dAll)
adamc@274 2035 end)
adamc@274 2036 env ds
adamc@274 2037 in
adamc@274 2038 box pps
adamc@274 2039 end
adamc@274 2040
adamc@29 2041 end