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annotate src/cjr_print.sml @ 387:7abb28e9d51f

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Binops; equality tested on int; lame 404 substitute
author Adam Chlipala <adamc@hcoop.net>
date Tue, 21 Oct 2008 09:50:19 -0400
parents 168667cdaa95
children acaf9d19fbb7
rev   line source
adamc@29 1 (* Copyright (c) 2008, Adam Chlipala
adamc@29 2 * All rights reserved.
adamc@29 3 *
adamc@29 4 * Redistribution and use in source and binary forms, with or without
adamc@29 5 * modification, are permitted provided that the following conditions are met:
adamc@29 6 *
adamc@29 7 * - Redistributions of source code must retain the above copyright notice,
adamc@29 8 * this list of conditions and the following disclaimer.
adamc@29 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@29 10 * this list of conditions and the following disclaimer in the documentation
adamc@29 11 * and/or other materials provided with the distribution.
adamc@29 12 * - The names of contributors may not be used to endorse or promote products
adamc@29 13 * derived from this software without specific prior written permission.
adamc@29 14 *
adamc@29 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@29 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@29 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@29 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@29 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@29 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@29 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@29 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@29 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@29 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@29 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@29 26 *)
adamc@29 27
adamc@29 28 (* Pretty-printing C jr. *)
adamc@29 29
adamc@29 30 structure CjrPrint :> CJR_PRINT = struct
adamc@29 31
adamc@29 32 open Print.PD
adamc@29 33 open Print
adamc@29 34
adamc@29 35 open Cjr
adamc@29 36
adamc@269 37 val dummyt = (TRecord 0, ErrorMsg.dummySpan)
adamc@269 38
adamc@29 39 structure E = CjrEnv
adamc@29 40 structure EM = ErrorMsg
adamc@29 41
adamc@144 42 structure SK = struct
adamc@144 43 type ord_key = string
adamc@144 44 val compare = String.compare
adamc@144 45 end
adamc@144 46
adamc@144 47 structure SS = BinarySetFn(SK)
adamc@144 48 structure SM = BinaryMapFn(SK)
adamc@144 49 structure IS = IntBinarySet
adamc@144 50
adamc@144 51 structure CM = BinaryMapFn(struct
adamc@144 52 type ord_key = char
adamc@144 53 val compare = Char.compare
adamc@144 54 end)
adamc@144 55
adamc@29 56 val debug = ref false
adamc@29 57
adamc@196 58 val dummyTyp = (TDatatype (Enum, 0, ref []), ErrorMsg.dummySpan)
adamc@29 59
adamc@316 60 val ident = String.translate (fn #"'" => "PRIME"
adamc@316 61 | ch => str ch)
adamc@316 62
adamc@316 63 val p_ident = string o ident
adamc@316 64
adamc@29 65 fun p_typ' par env (t, loc) =
adamc@29 66 case t of
adamc@269 67 TFun (t1, t2) => parenIf par (box [p_typ' true env t2,
adamc@109 68 space,
adamc@109 69 string "(*)",
adamc@109 70 space,
adamc@109 71 string "(",
adamc@109 72 p_typ env t1,
adamc@109 73 string ")"])
adamc@29 74 | TRecord i => box [string "struct",
adamc@29 75 space,
adamc@311 76 string "__uws_",
adamc@29 77 string (Int.toString i)]
adamc@188 78 | TDatatype (Enum, n, _) =>
adamc@188 79 (box [string "enum",
adamc@188 80 space,
adamc@311 81 string ("__uwe_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n)]
adamc@311 82 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@198 83 | TDatatype (Option, n, xncs) =>
adamc@198 84 (case ListUtil.search #3 (!xncs) of
adamc@198 85 NONE => raise Fail "CjrPrint: TDatatype marked Option has no constructor with an argument"
adamc@198 86 | SOME t =>
adamc@198 87 case #1 t of
adamc@198 88 TDatatype _ => p_typ' par env t
adamc@199 89 | TFfi ("Basis", "string") => p_typ' par env t
adamc@198 90 | _ => box [p_typ' par env t,
adamc@198 91 string "*"])
adamc@188 92 | TDatatype (Default, n, _) =>
adamc@165 93 (box [string "struct",
adamc@165 94 space,
adamc@311 95 string ("__uwd_" ^ #1 (E.lookupDatatype env n) ^ "_" ^ Int.toString n ^ "*")]
adamc@311 96 handle CjrEnv.UnboundNamed _ => string ("__uwd_UNBOUND__" ^ Int.toString n))
adamc@316 97 | TFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@288 98 | TOption t =>
adamc@288 99 (case #1 t of
adamc@288 100 TDatatype _ => p_typ' par env t
adamc@288 101 | TFfi ("Basis", "string") => p_typ' par env t
adamc@288 102 | _ => box [p_typ' par env t,
adamc@288 103 string "*"])
adamc@29 104
adamc@29 105 and p_typ env = p_typ' false env
adamc@29 106
adamc@316 107 fun p_rel env n = string ("__uwr_" ^ ident (#1 (E.lookupERel env n)) ^ "_" ^ Int.toString (E.countERels env - n - 1))
adamc@311 108 handle CjrEnv.UnboundRel _ => string ("__uwr_UNBOUND_" ^ Int.toString (E.countERels env - n - 1))
adamc@29 109
adamc@109 110 fun p_enamed env n =
adamc@316 111 string ("__uwn_" ^ ident (#1 (E.lookupENamed env n)) ^ "_" ^ Int.toString n)
adamc@311 112 handle CjrEnv.UnboundNamed _ => string ("__uwn_UNBOUND_" ^ Int.toString n)
adamc@109 113
adamc@182 114 fun p_con_named env n =
adamc@316 115 string ("__uwc_" ^ ident (#1 (E.lookupConstructor env n)) ^ "_" ^ Int.toString n)
adamc@311 116 handle CjrEnv.UnboundNamed _ => string ("__uwc_UNBOUND_" ^ Int.toString n)
adamc@182 117
adamc@182 118 fun p_pat_preamble env (p, _) =
adamc@182 119 case p of
adamc@182 120 PWild => (box [],
adamc@182 121 env)
adamc@182 122 | PVar (x, t) => (box [p_typ env t,
adamc@182 123 space,
adamc@311 124 string "__uwr_",
adamc@316 125 p_ident x,
adamc@182 126 string "_",
adamc@182 127 string (Int.toString (E.countERels env)),
adamc@182 128 string ";",
adamc@182 129 newline],
adamc@196 130 E.pushERel env x t)
adamc@182 131 | PPrim _ => (box [], env)
adamc@188 132 | PCon (_, _, NONE) => (box [], env)
adamc@188 133 | PCon (_, _, SOME p) => p_pat_preamble env p
adamc@182 134 | PRecord xps =>
adamc@182 135 foldl (fn ((_, p, _), (pp, env)) =>
adamc@182 136 let
adamc@182 137 val (pp', env) = p_pat_preamble env p
adamc@182 138 in
adamc@182 139 (box [pp', pp], env)
adamc@182 140 end) (box [], env) xps
adamc@288 141 | PNone _ => (box [], env)
adamc@288 142 | PSome (_, p) => p_pat_preamble env p
adamc@182 143
adamc@182 144 fun p_patCon env pc =
adamc@182 145 case pc of
adamc@182 146 PConVar n => p_con_named env n
adamc@316 147 | PConFfi {mod = m, con, ...} => string ("uw_" ^ ident m ^ "_" ^ ident con)
adamc@182 148
adamc@182 149 fun p_pat (env, exit, depth) (p, _) =
adamc@182 150 case p of
adamc@182 151 PWild =>
adamc@182 152 (box [], env)
adamc@182 153 | PVar (x, t) =>
adamc@311 154 (box [string "__uwr_",
adamc@316 155 p_ident x,
adamc@182 156 string "_",
adamc@182 157 string (Int.toString (E.countERels env)),
adamc@182 158 space,
adamc@182 159 string "=",
adamc@182 160 space,
adamc@182 161 string "disc",
adamc@182 162 string (Int.toString depth),
adamc@182 163 string ";"],
adamc@182 164 E.pushERel env x t)
adamc@182 165 | PPrim (Prim.Int n) =>
adamc@182 166 (box [string "if",
adamc@182 167 space,
adamc@182 168 string "(disc",
adamc@182 169 string (Int.toString depth),
adamc@182 170 space,
adamc@182 171 string "!=",
adamc@182 172 space,
adamc@276 173 Prim.p_t_GCC (Prim.Int n),
adamc@182 174 string ")",
adamc@182 175 space,
adamc@182 176 exit],
adamc@182 177 env)
adamc@182 178 | PPrim (Prim.String s) =>
adamc@182 179 (box [string "if",
adamc@182 180 space,
adamc@182 181 string "(strcmp(disc",
adamc@182 182 string (Int.toString depth),
adamc@182 183 string ",",
adamc@182 184 space,
adamc@276 185 Prim.p_t_GCC (Prim.String s),
adamc@182 186 string "))",
adamc@182 187 space,
adamc@182 188 exit],
adamc@182 189 env)
adamc@182 190 | PPrim _ => raise Fail "CjrPrint: Disallowed PPrim primitive"
adamc@182 191
adamc@188 192 | PCon (dk, pc, po) =>
adamc@182 193 let
adamc@182 194 val (p, env) =
adamc@182 195 case po of
adamc@182 196 NONE => (box [], env)
adamc@182 197 | SOME p =>
adamc@182 198 let
adamc@182 199 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 200
adamc@182 201 val (x, to) = case pc of
adamc@182 202 PConVar n =>
adamc@182 203 let
adamc@182 204 val (x, to, _) = E.lookupConstructor env n
adamc@182 205 in
adamc@316 206 ("uw_" ^ ident x, to)
adamc@182 207 end
adamc@188 208 | PConFfi {mod = m, con, arg, ...} =>
adamc@316 209 ("uw_" ^ ident m ^ "_" ^ ident con, arg)
adamc@182 210
adamc@182 211 val t = case to of
adamc@182 212 NONE => raise Fail "CjrPrint: Constructor mismatch"
adamc@182 213 | SOME t => t
adamc@182 214 in
adamc@182 215 (box [string "{",
adamc@182 216 newline,
adamc@182 217 p_typ env t,
adamc@182 218 space,
adamc@182 219 string "disc",
adamc@182 220 string (Int.toString (depth + 1)),
adamc@182 221 space,
adamc@182 222 string "=",
adamc@182 223 space,
adamc@198 224 case dk of
adamc@198 225 Enum => raise Fail "CjrPrint: Looking at argument of no-argument constructor"
adamc@198 226 | Default => box [string "disc",
adamc@198 227 string (Int.toString depth),
adamc@198 228 string "->data.",
adamc@198 229 string x]
adamc@198 230 | Option =>
adamc@198 231 case #1 t of
adamc@198 232 TDatatype _ => box [string "disc",
adamc@198 233 string (Int.toString depth)]
adamc@199 234 | TFfi ("Basis", "string") => box [string "disc",
adamc@199 235 string (Int.toString depth)]
adamc@198 236 | _ => box [string "*disc",
adamc@198 237 string (Int.toString depth)],
adamc@182 238 string ";",
adamc@182 239 newline,
adamc@182 240 p,
adamc@182 241 newline,
adamc@182 242 string "}"],
adamc@182 243 env)
adamc@182 244 end
adamc@182 245 in
adamc@182 246 (box [string "if",
adamc@182 247 space,
adamc@182 248 string "(disc",
adamc@182 249 string (Int.toString depth),
adamc@198 250 case (dk, po) of
adamc@198 251 (Enum, _) => box [space,
adamc@198 252 string "!=",
adamc@198 253 space,
adamc@198 254 p_patCon env pc]
adamc@198 255 | (Default, _) => box [string "->tag",
adamc@198 256 space,
adamc@198 257 string "!=",
adamc@198 258 space,
adamc@198 259 p_patCon env pc]
adamc@198 260 | (Option, NONE) => box [space,
adamc@198 261 string "!=",
adamc@198 262 space,
adamc@198 263 string "NULL"]
adamc@198 264 | (Option, SOME _) => box [space,
adamc@198 265 string "==",
adamc@198 266 space,
adamc@198 267 string "NULL"],
adamc@182 268 string ")",
adamc@182 269 space,
adamc@182 270 exit,
adamc@182 271 newline,
adamc@182 272 p],
adamc@182 273 env)
adamc@182 274 end
adamc@182 275
adamc@182 276 | PRecord xps =>
adamc@182 277 let
adamc@182 278 val (xps, env) =
adamc@182 279 ListUtil.foldlMap (fn ((x, p, t), env) =>
adamc@182 280 let
adamc@182 281 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@182 282
adamc@182 283 val p = box [string "{",
adamc@182 284 newline,
adamc@182 285 p_typ env t,
adamc@182 286 space,
adamc@182 287 string "disc",
adamc@182 288 string (Int.toString (depth + 1)),
adamc@182 289 space,
adamc@182 290 string "=",
adamc@182 291 space,
adamc@182 292 string "disc",
adamc@182 293 string (Int.toString depth),
adamc@311 294 string ".__uwf_",
adamc@316 295 p_ident x,
adamc@182 296 string ";",
adamc@182 297 newline,
adamc@182 298 p,
adamc@182 299 newline,
adamc@182 300 string "}"]
adamc@182 301 in
adamc@182 302 (p, env)
adamc@182 303 end) env xps
adamc@182 304 in
adamc@182 305 (p_list_sep newline (fn x => x) xps,
adamc@182 306 env)
adamc@182 307 end
adamc@182 308
adamc@288 309 | PNone t =>
adamc@288 310 (box [string "if",
adamc@288 311 space,
adamc@288 312 string "(disc",
adamc@288 313 string (Int.toString depth),
adamc@288 314 space,
adamc@288 315 string "!=",
adamc@288 316 space,
adamc@288 317 string "NULL)",
adamc@288 318 space,
adamc@288 319 exit,
adamc@288 320 newline],
adamc@288 321 env)
adamc@288 322
adamc@288 323 | PSome (t, p) =>
adamc@288 324 let
adamc@288 325 val (p, env) =
adamc@288 326 let
adamc@288 327 val (p, env) = p_pat (env, exit, depth + 1) p
adamc@288 328 in
adamc@288 329 (box [string "{",
adamc@288 330 newline,
adamc@288 331 p_typ env t,
adamc@288 332 space,
adamc@288 333 string "disc",
adamc@288 334 string (Int.toString (depth + 1)),
adamc@288 335 space,
adamc@288 336 string "=",
adamc@288 337 space,
adamc@288 338 case #1 t of
adamc@288 339 TDatatype _ => box [string "disc",
adamc@288 340 string (Int.toString depth)]
adamc@288 341 | TFfi ("Basis", "string") => box [string "disc",
adamc@288 342 string (Int.toString depth)]
adamc@288 343 | _ => box [string "*disc",
adamc@288 344 string (Int.toString depth)],
adamc@288 345 string ";",
adamc@288 346 newline,
adamc@288 347 p,
adamc@288 348 newline,
adamc@288 349 string "}"],
adamc@288 350 env)
adamc@288 351 end
adamc@288 352 in
adamc@288 353 (box [string "if",
adamc@288 354 space,
adamc@288 355 string "(disc",
adamc@288 356 string (Int.toString depth),
adamc@288 357 space,
adamc@288 358 string "==",
adamc@288 359 space,
adamc@288 360 string "NULL)",
adamc@288 361 space,
adamc@288 362 exit,
adamc@288 363 newline,
adamc@288 364 p],
adamc@288 365 env)
adamc@288 366 end
adamc@288 367
adamc@182 368 local
adamc@182 369 val count = ref 0
adamc@182 370 in
adamc@182 371 fun newGoto () =
adamc@182 372 let
adamc@182 373 val r = !count
adamc@182 374 in
adamc@182 375 count := r + 1;
adamc@182 376 string ("L" ^ Int.toString r)
adamc@182 377 end
adamc@182 378 end
adamc@182 379
adamc@185 380 fun patConInfo env pc =
adamc@185 381 case pc of
adamc@185 382 PConVar n =>
adamc@185 383 let
adamc@185 384 val (x, _, dn) = E.lookupConstructor env n
adamc@185 385 val (dx, _) = E.lookupDatatype env dn
adamc@185 386 in
adamc@316 387 ("__uwd_" ^ ident dx ^ "_" ^ Int.toString dn,
adamc@316 388 "__uwc_" ^ ident x ^ "_" ^ Int.toString n,
adamc@316 389 "uw_" ^ ident x)
adamc@185 390 end
adamc@186 391 | PConFfi {mod = m, datatyp, con, ...} =>
adamc@316 392 ("uw_" ^ ident m ^ "_" ^ ident datatyp,
adamc@316 393 "uw_" ^ ident m ^ "_" ^ ident con,
adamc@316 394 "uw_" ^ ident con)
adamc@185 395
adamc@324 396 fun p_unsql wontLeakStrings env (tAll as (t, loc)) e =
adamc@278 397 case t of
adamc@311 398 TFfi ("Basis", "int") => box [string "uw_Basis_stringToInt_error(ctx, ", e, string ")"]
adamc@311 399 | TFfi ("Basis", "float") => box [string "uw_Basis_stringToFloat_error(ctx, ", e, string ")"]
adamc@324 400 | TFfi ("Basis", "string") =>
adamc@324 401 if wontLeakStrings then
adamc@324 402 e
adamc@324 403 else
adamc@324 404 box [string "uw_Basis_strdup(ctx, ", e, string ")"]
adamc@311 405 | TFfi ("Basis", "bool") => box [string "uw_Basis_stringToBool_error(ctx, ", e, string ")"]
adamc@278 406 | _ => (ErrorMsg.errorAt loc "Don't know how to unmarshal type from SQL";
adamc@278 407 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@278 408 string "ERROR")
adamc@278 409
adamc@282 410 datatype sql_type =
adamc@282 411 Int
adamc@282 412 | Float
adamc@282 413 | String
adamc@282 414 | Bool
adamc@282 415
adamc@282 416 fun p_sql_type t =
adamc@282 417 string (case t of
adamc@311 418 Int => "uw_Basis_int"
adamc@311 419 | Float => "uw_Basis_float"
adamc@311 420 | String => "uw_Basis_string"
adamc@311 421 | Bool => "uw_Basis_bool")
adamc@282 422
adamc@282 423 fun getPargs (e, _) =
adamc@282 424 case e of
adamc@282 425 EPrim (Prim.String _) => []
adamc@282 426 | EFfiApp ("Basis", "strcat", [e1, e2]) => getPargs e1 @ getPargs e2
adamc@282 427
adamc@282 428 | EFfiApp ("Basis", "sqlifyInt", [e]) => [(e, Int)]
adamc@282 429 | EFfiApp ("Basis", "sqlifyFloat", [e]) => [(e, Float)]
adamc@282 430 | EFfiApp ("Basis", "sqlifyString", [e]) => [(e, String)]
adamc@282 431 | EFfiApp ("Basis", "sqlifyBool", [e]) => [(e, Bool)]
adamc@322 432 | ECase (e, _, _) => [(e, Bool)]
adamc@282 433
adamc@282 434 | _ => raise Fail "CjrPrint: getPargs"
adamc@282 435
adamc@282 436 fun p_ensql t e =
adamc@282 437 case t of
adamc@311 438 Int => box [string "uw_Basis_attrifyInt(ctx, ", e, string ")"]
adamc@311 439 | Float => box [string "uw_Basis_attrifyFloat(ctx, ", e, string ")"]
adamc@282 440 | String => e
adamc@295 441 | Bool => box [string "(", e, string " ? \"TRUE\" : \"FALSE\")"]
adamc@282 442
adamc@282 443 fun p_ensql_len t e =
adamc@282 444 case t of
adamc@311 445 Int => string "sizeof(uw_Basis_int)"
adamc@311 446 | Float => string "sizeof(uw_Basis_float)"
adamc@282 447 | String => box [string "strlen(", e, string ")"]
adamc@311 448 | Bool => string "sizeof(uw_Basis_bool)"
adamc@282 449
adamc@324 450 fun notLeaky env allowHeapAllocated =
adamc@324 451 let
adamc@324 452 fun nl (t, _) =
adamc@324 453 case t of
adamc@324 454 TFun _ => false
adamc@324 455 | TRecord n =>
adamc@324 456 let
adamc@324 457 val xts = E.lookupStruct env n
adamc@324 458 in
adamc@324 459 List.all (fn (_, t) => nl t) xts
adamc@324 460 end
adamc@324 461 | TDatatype (dk, _, ref cons) =>
adamc@324 462 (allowHeapAllocated orelse dk = Enum)
adamc@324 463 andalso List.all (fn (_, _, to) => case to of
adamc@324 464 NONE => true
adamc@324 465 | SOME t => nl t) cons
adamc@324 466 | TFfi ("Basis", "string") => false
adamc@324 467 | TFfi _ => true
adamc@324 468 | TOption t => allowHeapAllocated andalso nl t
adamc@324 469 in
adamc@324 470 nl
adamc@324 471 end
adamc@324 472
adamc@182 473 fun p_exp' par env (e, loc) =
adamc@29 474 case e of
adamc@276 475 EPrim p => Prim.p_t_GCC p
adamc@29 476 | ERel n => p_rel env n
adamc@109 477 | ENamed n => p_enamed env n
adamc@188 478 | ECon (Enum, pc, _) => p_patCon env pc
adamc@198 479 | ECon (Option, pc, NONE) => string "NULL"
adamc@198 480 | ECon (Option, pc, SOME e) =>
adamc@198 481 let
adamc@198 482 val to = case pc of
adamc@198 483 PConVar n => #2 (E.lookupConstructor env n)
adamc@198 484 | PConFfi {arg, ...} => arg
adamc@198 485
adamc@198 486 val t = case to of
adamc@198 487 NONE => raise Fail "CjrPrint: ECon argument status mismatch"
adamc@198 488 | SOME t => t
adamc@198 489 in
adamc@198 490 case #1 t of
adamc@198 491 TDatatype _ => p_exp' par env e
adamc@199 492 | TFfi ("Basis", "string") => p_exp' par env e
adamc@198 493 | _ => box [string "({",
adamc@198 494 newline,
adamc@198 495 p_typ env t,
adamc@198 496 space,
adamc@198 497 string "*tmp",
adamc@198 498 space,
adamc@198 499 string "=",
adamc@198 500 space,
adamc@311 501 string "uw_malloc(ctx, sizeof(",
adamc@198 502 p_typ env t,
adamc@198 503 string "));",
adamc@198 504 newline,
adamc@198 505 string "*tmp",
adamc@198 506 space,
adamc@198 507 string "=",
adamc@198 508 p_exp' par env e,
adamc@198 509 string ";",
adamc@198 510 newline,
adamc@198 511 string "tmp;",
adamc@198 512 newline,
adamc@198 513 string "})"]
adamc@198 514 end
adamc@188 515 | ECon (Default, pc, eo) =>
adamc@181 516 let
adamc@196 517 val (xd, xc, xn) = patConInfo env pc
adamc@181 518 in
adamc@182 519 box [string "({",
adamc@181 520 newline,
adamc@181 521 string "struct",
adamc@181 522 space,
adamc@185 523 string xd,
adamc@181 524 space,
adamc@181 525 string "*tmp",
adamc@181 526 space,
adamc@181 527 string "=",
adamc@181 528 space,
adamc@311 529 string "uw_malloc(ctx, sizeof(struct ",
adamc@185 530 string xd,
adamc@181 531 string "));",
adamc@181 532 newline,
adamc@181 533 string "tmp->tag",
adamc@181 534 space,
adamc@181 535 string "=",
adamc@181 536 space,
adamc@185 537 string xc,
adamc@181 538 string ";",
adamc@181 539 newline,
adamc@181 540 case eo of
adamc@181 541 NONE => box []
adamc@185 542 | SOME e => box [string "tmp->data.",
adamc@196 543 string xn,
adamc@181 544 space,
adamc@181 545 string "=",
adamc@181 546 space,
adamc@181 547 p_exp env e,
adamc@181 548 string ";",
adamc@181 549 newline],
adamc@181 550 string "tmp;",
adamc@181 551 newline,
adamc@181 552 string "})"]
adamc@181 553 end
adamc@297 554 | ENone _ => string "NULL"
adamc@290 555 | ESome (t, e) =>
adamc@290 556 (case #1 t of
adamc@290 557 TDatatype _ => p_exp' par env e
adamc@290 558 | TFfi ("Basis", "string") => p_exp' par env e
adamc@290 559 | _ => box [string "({",
adamc@290 560 newline,
adamc@290 561 p_typ env t,
adamc@290 562 space,
adamc@290 563 string "*tmp",
adamc@290 564 space,
adamc@290 565 string "=",
adamc@290 566 space,
adamc@311 567 string "uw_malloc(ctx, sizeof(",
adamc@290 568 p_typ env t,
adamc@290 569 string "));",
adamc@290 570 newline,
adamc@290 571 string "*tmp",
adamc@290 572 space,
adamc@290 573 string "=",
adamc@290 574 p_exp' par env e,
adamc@290 575 string ";",
adamc@290 576 newline,
adamc@290 577 string "tmp;",
adamc@290 578 newline,
adamc@290 579 string "})"])
adamc@109 580
adamc@316 581 | EFfi (m, x) => box [string "uw_", p_ident m, string "_", p_ident x]
adamc@283 582 | EError (e, t) =>
adamc@283 583 box [string "({",
adamc@283 584 newline,
adamc@283 585 p_typ env t,
adamc@283 586 space,
adamc@283 587 string "tmp;",
adamc@283 588 newline,
adamc@311 589 string "uw_error(ctx, FATAL, \"",
adamc@292 590 string (ErrorMsg.spanToString loc),
adamc@292 591 string ": %s\", ",
adamc@283 592 p_exp env e,
adamc@283 593 string ");",
adamc@283 594 newline,
adamc@283 595 string "tmp;",
adamc@283 596 newline,
adamc@283 597 string "})"]
adamc@311 598 | EFfiApp (m, x, es) => box [string "uw_",
adamc@316 599 p_ident m,
adamc@53 600 string "_",
adamc@316 601 p_ident x,
adamc@117 602 string "(ctx, ",
adamc@53 603 p_list (p_exp env) es,
adamc@53 604 string ")"]
adamc@316 605 | EApp (f, args) =>
adamc@316 606 parenIf par (box [p_exp' true env f,
adamc@316 607 string "(ctx,",
adamc@316 608 space,
adamc@316 609 p_list_sep (box [string ",", space]) (p_exp env) args,
adamc@316 610 string ")"])
adamc@29 611
adamc@387 612 | EUnop (s, e1) =>
adamc@387 613 parenIf par (box [string s,
adamc@387 614 space,
adamc@387 615 p_exp' true env e1])
adamc@387 616
adamc@387 617 | EBinop ("!strcmp", e1, e2) =>
adamc@387 618 box [string "!strcmp(",
adamc@387 619 p_exp env e1,
adamc@387 620 string ",",
adamc@387 621 space,
adamc@387 622 p_exp env e2,
adamc@387 623 string ")"]
adamc@387 624 | EBinop (s, e1, e2) =>
adamc@387 625 parenIf par (box [p_exp' true env e1,
adamc@387 626 space,
adamc@387 627 string s,
adamc@387 628 space,
adamc@387 629 p_exp' true env e2])
adamc@387 630
adamc@29 631 | ERecord (i, xes) => box [string "({",
adamc@29 632 space,
adamc@29 633 string "struct",
adamc@29 634 space,
adamc@311 635 string ("__uws_" ^ Int.toString i),
adamc@29 636 space,
adamc@181 637 string "tmp",
adamc@29 638 space,
adamc@29 639 string "=",
adamc@29 640 space,
adamc@29 641 string "{",
adamc@29 642 p_list (fn (_, e) =>
adamc@29 643 p_exp env e) xes,
adamc@29 644 string "};",
adamc@29 645 space,
adamc@181 646 string "tmp;",
adamc@29 647 space,
adamc@29 648 string "})" ]
adamc@29 649 | EField (e, x) =>
adamc@29 650 box [p_exp' true env e,
adamc@311 651 string ".__uwf_",
adamc@316 652 p_ident x]
adamc@29 653
adamc@182 654 | ECase (e, pes, {disc, result}) =>
adamc@182 655 let
adamc@182 656 val final = newGoto ()
adamc@182 657
adamc@182 658 val body = foldl (fn ((p, e), body) =>
adamc@182 659 let
adamc@182 660 val exit = newGoto ()
adamc@182 661 val (pr, _) = p_pat_preamble env p
adamc@182 662 val (p, env) = p_pat (env,
adamc@182 663 box [string "goto",
adamc@182 664 space,
adamc@182 665 exit,
adamc@182 666 string ";"],
adamc@182 667 0) p
adamc@182 668 in
adamc@182 669 box [body,
adamc@182 670 box [string "{",
adamc@182 671 newline,
adamc@182 672 pr,
adamc@182 673 newline,
adamc@182 674 p,
adamc@182 675 newline,
adamc@182 676 string "result",
adamc@182 677 space,
adamc@182 678 string "=",
adamc@182 679 space,
adamc@182 680 p_exp env e,
adamc@182 681 string ";",
adamc@182 682 newline,
adamc@182 683 string "goto",
adamc@182 684 space,
adamc@182 685 final,
adamc@182 686 string ";",
adamc@182 687 newline,
adamc@182 688 string "}"],
adamc@182 689 newline,
adamc@182 690 exit,
adamc@182 691 string ":",
adamc@182 692 newline]
adamc@182 693 end) (box []) pes
adamc@182 694 in
adamc@182 695 box [string "({",
adamc@182 696 newline,
adamc@182 697 p_typ env disc,
adamc@182 698 space,
adamc@182 699 string "disc0",
adamc@182 700 space,
adamc@182 701 string "=",
adamc@182 702 space,
adamc@182 703 p_exp env e,
adamc@182 704 string ";",
adamc@182 705 newline,
adamc@182 706 p_typ env result,
adamc@182 707 space,
adamc@182 708 string "result;",
adamc@182 709 newline,
adamc@182 710 body,
adamc@311 711 string "uw_error(ctx, FATAL, \"",
adamc@182 712 string (ErrorMsg.spanToString loc),
adamc@182 713 string ": pattern match failure\");",
adamc@182 714 newline,
adamc@182 715 final,
adamc@182 716 string ":",
adamc@182 717 space,
adamc@182 718 string "result;",
adamc@182 719 newline,
adamc@182 720 string "})"]
adamc@182 721 end
adamc@181 722
adamc@311 723 | EWrite e => box [string "(uw_write(ctx, ",
adamc@102 724 p_exp env e,
adamc@311 725 string "), uw_unit_v)"]
adamc@102 726
adamc@106 727 | ESeq (e1, e2) => box [string "(",
adamc@106 728 p_exp env e1,
adamc@106 729 string ",",
adamc@106 730 space,
adamc@106 731 p_exp env e2,
adamc@106 732 string ")"]
adamc@269 733 | ELet (x, t, e1, e2) => box [string "({",
adamc@269 734 newline,
adamc@269 735 p_typ env t,
adamc@269 736 space,
adamc@311 737 string "__uwr_",
adamc@316 738 p_ident x,
adamc@272 739 string "_",
adamc@272 740 string (Int.toString (E.countERels env)),
adamc@269 741 space,
adamc@269 742 string "=",
adamc@269 743 space,
adamc@269 744 p_exp env e1,
adamc@269 745 string ";",
adamc@269 746 newline,
adamc@269 747 p_exp (E.pushERel env x t) e2,
adamc@269 748 string ";",
adamc@269 749 newline,
adamc@269 750 string "})"]
adamc@269 751
adamc@282 752 | EQuery {exps, tables, rnum, state, query, body, initial, prepared} =>
adamc@278 753 let
adamc@316 754 val exps = map (fn (x, t) => ("__uwf_" ^ ident x, t)) exps
adamc@278 755 val tables = ListUtil.mapConcat (fn (x, xts) =>
adamc@316 756 map (fn (x', t) => ("__uwf_" ^ ident x ^ ".__uwf_" ^ ident x', t)) xts)
adamc@278 757 tables
adamc@278 758
adamc@278 759 val outputs = exps @ tables
adamc@325 760 val outputs = ListMergeSort.sort (fn ((s1, _), (s2, _)) => String.compare (s1, s2) = GREATER) outputs
adamc@324 761
adamc@324 762 val wontLeakStrings = notLeaky env true state
adamc@324 763 val wontLeakAnything = notLeaky env false state
adamc@278 764 in
adamc@324 765 box [string "(uw_begin_region(ctx), ",
adamc@324 766 if wontLeakAnything then
adamc@331 767 string "uw_begin_region(ctx), "
adamc@324 768 else
adamc@324 769 box [],
adamc@324 770 string "({",
adamc@278 771 newline,
adamc@311 772 string "PGconn *conn = uw_get_db(ctx);",
adamc@278 773 newline,
adamc@282 774 case prepared of
adamc@282 775 NONE => box [string "char *query = ",
adamc@282 776 p_exp env query,
adamc@282 777 string ";",
adamc@282 778 newline]
adamc@282 779 | SOME _ =>
adamc@282 780 let
adamc@282 781 val ets = getPargs query
adamc@282 782 in
adamc@282 783 box [p_list_sepi newline
adamc@282 784 (fn i => fn (e, t) =>
adamc@282 785 box [p_sql_type t,
adamc@282 786 space,
adamc@282 787 string "arg",
adamc@282 788 string (Int.toString (i + 1)),
adamc@282 789 space,
adamc@282 790 string "=",
adamc@282 791 space,
adamc@282 792 p_exp env e,
adamc@282 793 string ";"])
adamc@282 794 ets,
adamc@282 795 newline,
adamc@282 796 newline,
adamc@282 797
adamc@282 798 string "const char *paramValues[] = { ",
adamc@282 799 p_list_sepi (box [string ",", space])
adamc@282 800 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@282 801 string (Int.toString (i + 1))]))
adamc@282 802 ets,
adamc@282 803 string " };",
adamc@282 804 newline,
adamc@282 805 newline]
adamc@282 806 end,
adamc@278 807 string "int n, i;",
adamc@278 808 newline,
adamc@278 809 p_typ env state,
adamc@278 810 space,
adamc@278 811 string "acc",
adamc@278 812 space,
adamc@278 813 string "=",
adamc@278 814 space,
adamc@278 815 p_exp env initial,
adamc@278 816 string ";",
adamc@278 817 newline,
adamc@282 818 string "PGresult *res = ",
adamc@282 819 case prepared of
adamc@295 820 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 821 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@282 822 string (Int.toString n),
adamc@282 823 string "\", ",
adamc@282 824 string (Int.toString (length (getPargs query))),
adamc@295 825 string ", paramValues, NULL, NULL, 0);"],
adamc@278 826 newline,
adamc@278 827 newline,
adamc@277 828
adamc@311 829 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@278 830 newline,
adamc@278 831 newline,
adamc@277 832
adamc@278 833 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@278 834 newline,
adamc@278 835 box [string "PQclear(res);",
adamc@278 836 newline,
adamc@311 837 string "uw_error(ctx, FATAL, \"",
adamc@278 838 string (ErrorMsg.spanToString loc),
adamc@282 839 string ": Query failed:\\n%s\\n%s\", ",
adamc@282 840 case prepared of
adamc@282 841 NONE => string "query"
adamc@282 842 | SOME _ => p_exp env query,
adamc@282 843 string ", PQerrorMessage(conn));",
adamc@278 844 newline],
adamc@278 845 string "}",
adamc@278 846 newline,
adamc@278 847 newline,
adamc@277 848
adamc@323 849 string "uw_end_region(ctx);",
adamc@323 850 newline,
adamc@278 851 string "n = PQntuples(res);",
adamc@278 852 newline,
adamc@278 853 string "for (i = 0; i < n; ++i) {",
adamc@278 854 newline,
adamc@278 855 box [string "struct",
adamc@278 856 space,
adamc@311 857 string "__uws_",
adamc@278 858 string (Int.toString rnum),
adamc@278 859 space,
adamc@311 860 string "__uwr_r_",
adamc@278 861 string (Int.toString (E.countERels env)),
adamc@278 862 string ";",
adamc@278 863 newline,
adamc@278 864 p_typ env state,
adamc@278 865 space,
adamc@311 866 string "__uwr_acc_",
adamc@278 867 string (Int.toString (E.countERels env + 1)),
adamc@278 868 space,
adamc@278 869 string "=",
adamc@278 870 space,
adamc@278 871 string "acc;",
adamc@278 872 newline,
adamc@278 873 newline,
adamc@278 874
adamc@278 875 p_list_sepi (box []) (fn i =>
adamc@278 876 fn (proj, t) =>
adamc@311 877 box [string "__uwr_r_",
adamc@278 878 string (Int.toString (E.countERels env)),
adamc@278 879 string ".",
adamc@278 880 string proj,
adamc@278 881 space,
adamc@278 882 string "=",
adamc@278 883 space,
adamc@324 884 p_unsql wontLeakStrings env t
adamc@278 885 (box [string "PQgetvalue(res, i, ",
adamc@278 886 string (Int.toString i),
adamc@278 887 string ")"]),
adamc@278 888 string ";",
adamc@278 889 newline]) outputs,
adamc@278 890
adamc@278 891 newline,
adamc@278 892 newline,
adamc@278 893
adamc@278 894 string "acc",
adamc@278 895 space,
adamc@278 896 string "=",
adamc@278 897 space,
adamc@278 898 p_exp (E.pushERel
adamc@278 899 (E.pushERel env "r" (TRecord rnum, loc))
adamc@278 900 "acc" state)
adamc@278 901 body,
adamc@278 902 string ";",
adamc@278 903 newline],
adamc@278 904 string "}",
adamc@278 905 newline,
adamc@278 906 newline,
adamc@278 907 string "PQclear(res);",
adamc@278 908 newline,
adamc@324 909 if wontLeakAnything then
adamc@324 910 box [string "uw_end_region(ctx);",
adamc@324 911 newline]
adamc@324 912 else
adamc@324 913 box [],
adamc@278 914 string "acc;",
adamc@278 915 newline,
adamc@323 916 string "}))"]
adamc@278 917 end
adamc@106 918
adamc@307 919 | EDml {dml, prepared} =>
adamc@337 920 box [string "(uw_begin_region(ctx), ({",
adamc@307 921 newline,
adamc@311 922 string "PGconn *conn = uw_get_db(ctx);",
adamc@307 923 newline,
adamc@307 924 case prepared of
adamc@307 925 NONE => box [string "char *dml = ",
adamc@307 926 p_exp env dml,
adamc@307 927 string ";",
adamc@307 928 newline]
adamc@307 929 | SOME _ =>
adamc@307 930 let
adamc@307 931 val ets = getPargs dml
adamc@307 932 in
adamc@307 933 box [p_list_sepi newline
adamc@307 934 (fn i => fn (e, t) =>
adamc@307 935 box [p_sql_type t,
adamc@307 936 space,
adamc@307 937 string "arg",
adamc@307 938 string (Int.toString (i + 1)),
adamc@307 939 space,
adamc@307 940 string "=",
adamc@307 941 space,
adamc@307 942 p_exp env e,
adamc@307 943 string ";"])
adamc@307 944 ets,
adamc@307 945 newline,
adamc@307 946 newline,
adamc@307 947
adamc@307 948 string "const char *paramValues[] = { ",
adamc@307 949 p_list_sepi (box [string ",", space])
adamc@307 950 (fn i => fn (_, t) => p_ensql t (box [string "arg",
adamc@307 951 string (Int.toString (i + 1))]))
adamc@307 952 ets,
adamc@307 953 string " };",
adamc@307 954 newline,
adamc@307 955 newline]
adamc@307 956 end,
adamc@307 957 newline,
adamc@307 958 newline,
adamc@307 959 string "PGresult *res = ",
adamc@307 960 case prepared of
adamc@307 961 NONE => string "PQexecParams(conn, dml, 0, NULL, NULL, NULL, NULL, 0);"
adamc@311 962 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@307 963 string (Int.toString n),
adamc@307 964 string "\", ",
adamc@307 965 string (Int.toString (length (getPargs dml))),
adamc@307 966 string ", paramValues, NULL, NULL, 0);"],
adamc@307 967 newline,
adamc@307 968 newline,
adamc@307 969
adamc@311 970 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating DML result.\");",
adamc@307 971 newline,
adamc@307 972 newline,
adamc@307 973
adamc@307 974 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@307 975 newline,
adamc@307 976 box [string "PQclear(res);",
adamc@307 977 newline,
adamc@311 978 string "uw_error(ctx, FATAL, \"",
adamc@307 979 string (ErrorMsg.spanToString loc),
adamc@307 980 string ": DML failed:\\n%s\\n%s\", ",
adamc@307 981 case prepared of
adamc@307 982 NONE => string "dml"
adamc@307 983 | SOME _ => p_exp env dml,
adamc@307 984 string ", PQerrorMessage(conn));",
adamc@307 985 newline],
adamc@307 986 string "}",
adamc@307 987 newline,
adamc@307 988 newline,
adamc@307 989
adamc@307 990 string "PQclear(res);",
adamc@307 991 newline,
adamc@337 992 string "uw_end_region(ctx);",
adamc@337 993 newline,
adamc@311 994 string "uw_unit_v;",
adamc@307 995 newline,
adamc@337 996 string "}))"]
adamc@307 997
adamc@338 998 | ENextval {seq, prepared} =>
adamc@338 999 let
adamc@338 1000 val query = (EFfiApp ("Basis", "strcat", [seq, (EPrim (Prim.String "')"), loc)]), loc)
adamc@338 1001 val query = (EFfiApp ("Basis", "strcat", [(EPrim (Prim.String "SELECT NEXTVAL('"), loc), query]), loc)
adamc@338 1002 in
adamc@338 1003 box [string "(uw_begin_region(ctx), ",
adamc@338 1004 string "({",
adamc@338 1005 newline,
adamc@338 1006 string "PGconn *conn = uw_get_db(ctx);",
adamc@338 1007 newline,
adamc@338 1008 case prepared of
adamc@338 1009 NONE => box [string "char *query = ",
adamc@338 1010 p_exp env query,
adamc@338 1011 string ";",
adamc@338 1012 newline]
adamc@338 1013 | SOME _ =>
adamc@338 1014 box [],
adamc@338 1015 newline,
adamc@338 1016 string "PGresult *res = ",
adamc@338 1017 case prepared of
adamc@338 1018 NONE => string "PQexecParams(conn, query, 0, NULL, NULL, NULL, NULL, 0);"
adamc@338 1019 | SOME n => box [string "PQexecPrepared(conn, \"uw",
adamc@338 1020 string (Int.toString n),
adamc@338 1021 string "\", 0, NULL, NULL, NULL, 0);"],
adamc@338 1022 newline,
adamc@338 1023 string "uw_Basis_int n;",
adamc@338 1024 newline,
adamc@338 1025 newline,
adamc@338 1026
adamc@338 1027 string "if (res == NULL) uw_error(ctx, FATAL, \"Out of memory allocating nextval result.\");",
adamc@338 1028 newline,
adamc@338 1029 newline,
adamc@338 1030
adamc@338 1031 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@338 1032 newline,
adamc@338 1033 box [string "PQclear(res);",
adamc@338 1034 newline,
adamc@338 1035 string "uw_error(ctx, FATAL, \"",
adamc@338 1036 string (ErrorMsg.spanToString loc),
adamc@338 1037 string ": Query failed:\\n%s\\n%s\", ",
adamc@338 1038 case prepared of
adamc@338 1039 NONE => string "query"
adamc@338 1040 | SOME _ => p_exp env query,
adamc@338 1041 string ", PQerrorMessage(conn));",
adamc@338 1042 newline],
adamc@338 1043 string "}",
adamc@338 1044 newline,
adamc@338 1045 newline,
adamc@338 1046
adamc@338 1047 string "uw_end_region(ctx);",
adamc@338 1048 newline,
adamc@338 1049 string "n = PQntuples(res);",
adamc@338 1050 newline,
adamc@338 1051 string "if (n != 1) {",
adamc@338 1052 newline,
adamc@338 1053 box [string "PQclear(res);",
adamc@338 1054 newline,
adamc@338 1055 string "uw_error(ctx, FATAL, \"",
adamc@338 1056 string (ErrorMsg.spanToString loc),
adamc@338 1057 string ": Wrong number of result rows:\\n%s\\n%s\", ",
adamc@338 1058 case prepared of
adamc@338 1059 NONE => string "query"
adamc@338 1060 | SOME _ => p_exp env query,
adamc@338 1061 string ", PQerrorMessage(conn));",
adamc@338 1062 newline],
adamc@338 1063 string "}",
adamc@338 1064 newline,
adamc@338 1065 newline,
adamc@338 1066
adamc@338 1067 string "n = ",
adamc@338 1068 p_unsql true env (TFfi ("Basis", "int"), loc)
adamc@338 1069 (string "PQgetvalue(res, 0, 0)"),
adamc@338 1070 string ";",
adamc@338 1071 newline,
adamc@338 1072 string "PQclear(res);",
adamc@338 1073 newline,
adamc@338 1074 string "n;",
adamc@338 1075 newline,
adamc@338 1076 string "}))"]
adamc@338 1077 end
adamc@338 1078
adamc@29 1079 and p_exp env = p_exp' false env
adamc@29 1080
adamc@129 1081 fun p_fun env (fx, n, args, ran, e) =
adamc@129 1082 let
adamc@129 1083 val nargs = length args
adamc@129 1084 val env' = foldl (fn ((x, dom), env) => E.pushERel env x dom) env args
adamc@129 1085 in
adamc@129 1086 box [string "static",
adamc@129 1087 space,
adamc@129 1088 p_typ env ran,
adamc@129 1089 space,
adamc@316 1090 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@129 1091 string "(",
adamc@129 1092 p_list_sep (box [string ",", space]) (fn x => x)
adamc@311 1093 (string "uw_context ctx" :: ListUtil.mapi (fn (i, (_, dom)) =>
adamc@129 1094 box [p_typ env dom,
adamc@129 1095 space,
adamc@129 1096 p_rel env' (nargs - i - 1)]) args),
adamc@129 1097 string ")",
adamc@129 1098 space,
adamc@129 1099 string "{",
adamc@129 1100 newline,
adamc@129 1101 box[string "return(",
adamc@129 1102 p_exp env' e,
adamc@129 1103 string ");"],
adamc@129 1104 newline,
adamc@129 1105 string "}"]
adamc@129 1106 end
adamc@129 1107
adamc@129 1108 fun p_decl env (dAll as (d, _) : decl) =
adamc@29 1109 case d of
adamc@29 1110 DStruct (n, xts) =>
adamc@196 1111 let
adamc@196 1112 val env = E.declBinds env dAll
adamc@196 1113 in
adamc@196 1114 box [string "struct",
adamc@196 1115 space,
adamc@311 1116 string ("__uws_" ^ Int.toString n),
adamc@196 1117 space,
adamc@196 1118 string "{",
adamc@196 1119 newline,
adamc@196 1120 p_list_sep (box []) (fn (x, t) => box [p_typ env t,
adamc@196 1121 space,
adamc@311 1122 string "__uwf_",
adamc@316 1123 p_ident x,
adamc@196 1124 string ";",
adamc@196 1125 newline]) xts,
adamc@196 1126 string "};"]
adamc@196 1127 end
adamc@188 1128 | DDatatype (Enum, x, n, xncs) =>
adamc@188 1129 box [string "enum",
adamc@188 1130 space,
adamc@316 1131 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@188 1132 space,
adamc@188 1133 string "{",
adamc@188 1134 space,
adamc@316 1135 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1136 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@188 1137 space,
adamc@188 1138 string "};"]
adamc@198 1139 | DDatatype (Option, _, _, _) => box []
adamc@188 1140 | DDatatype (Default, x, n, xncs) =>
adamc@165 1141 let
adamc@165 1142 val xncsArgs = List.mapPartial (fn (x, n, NONE) => NONE
adamc@165 1143 | (x, n, SOME t) => SOME (x, n, t)) xncs
adamc@165 1144 in
adamc@165 1145 box [string "enum",
adamc@165 1146 space,
adamc@316 1147 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1148 space,
adamc@165 1149 string "{",
adamc@165 1150 space,
adamc@316 1151 p_list_sep (box [string ",", space]) (fn (x, n, _) =>
adamc@316 1152 string ("__uwc_" ^ ident x ^ "_" ^ Int.toString n)) xncs,
adamc@165 1153 space,
adamc@165 1154 string "};",
adamc@165 1155 newline,
adamc@165 1156 newline,
adamc@165 1157 string "struct",
adamc@165 1158 space,
adamc@316 1159 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1160 space,
adamc@165 1161 string "{",
adamc@165 1162 newline,
adamc@165 1163 string "enum",
adamc@165 1164 space,
adamc@316 1165 string ("__uwe_" ^ ident x ^ "_" ^ Int.toString n),
adamc@165 1166 space,
adamc@165 1167 string "tag;",
adamc@165 1168 newline,
adamc@165 1169 box (case xncsArgs of
adamc@165 1170 [] => []
adamc@165 1171 | _ => [string "union",
adamc@165 1172 space,
adamc@165 1173 string "{",
adamc@165 1174 newline,
adamc@165 1175 p_list_sep newline (fn (x, n, t) => box [p_typ env t,
adamc@165 1176 space,
adamc@316 1177 string ("uw_" ^ ident x),
adamc@165 1178 string ";"]) xncsArgs,
adamc@165 1179 newline,
adamc@165 1180 string "}",
adamc@165 1181 space,
adamc@165 1182 string "data;",
adamc@165 1183 newline]),
adamc@165 1184 string "};"]
adamc@188 1185 end
adamc@29 1186
adamc@196 1187 | DDatatypeForward _ => box []
adamc@196 1188
adamc@29 1189 | DVal (x, n, t, e) =>
adamc@29 1190 box [p_typ env t,
adamc@29 1191 space,
adamc@316 1192 string ("__uwn_" ^ ident x ^ "_" ^ Int.toString n),
adamc@29 1193 space,
adamc@29 1194 string "=",
adamc@29 1195 space,
adamc@29 1196 p_exp env e,
adamc@29 1197 string ";"]
adamc@129 1198 | DFun vi => p_fun env vi
adamc@129 1199 | DFunRec vis =>
adamc@29 1200 let
adamc@129 1201 val env = E.declBinds env dAll
adamc@29 1202 in
adamc@129 1203 box [p_list_sep newline (fn (fx, n, args, ran, _) =>
adamc@129 1204 box [string "static",
adamc@129 1205 space,
adamc@129 1206 p_typ env ran,
adamc@129 1207 space,
adamc@316 1208 string ("__uwn_" ^ ident fx ^ "_" ^ Int.toString n),
adamc@311 1209 string "(uw_context,",
adamc@129 1210 space,
adamc@129 1211 p_list_sep (box [string ",", space])
adamc@129 1212 (fn (_, dom) => p_typ env dom) args,
adamc@129 1213 string ");"]) vis,
adamc@29 1214 newline,
adamc@129 1215 p_list_sep newline (p_fun env) vis,
adamc@129 1216 newline]
adamc@29 1217 end
adamc@273 1218 | DTable (x, _) => box [string "/* SQL table ",
adamc@273 1219 string x,
adamc@273 1220 string " */",
adamc@273 1221 newline]
adamc@338 1222 | DSequence x => box [string "/* SQL sequence ",
adamc@338 1223 string x,
adamc@338 1224 string " */",
adamc@338 1225 newline]
adamc@311 1226 | DDatabase s => box [string "static void uw_db_validate(uw_context);",
adamc@272 1227 newline,
adamc@311 1228 string "static void uw_db_prepare(uw_context);",
adamc@282 1229 newline,
adamc@275 1230 newline,
adamc@311 1231 string "void uw_db_init(uw_context ctx) {",
adamc@273 1232 newline,
adamc@272 1233 string "PGconn *conn = PQconnectdb(\"",
adamc@272 1234 string (String.toString s),
adamc@272 1235 string "\");",
adamc@272 1236 newline,
adamc@311 1237 string "if (conn == NULL) uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1238 string "\"libpq can't allocate a connection.\");",
adamc@272 1239 newline,
adamc@272 1240 string "if (PQstatus(conn) != CONNECTION_OK) {",
adamc@272 1241 newline,
adamc@272 1242 box [string "char msg[1024];",
adamc@272 1243 newline,
adamc@272 1244 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@272 1245 newline,
adamc@272 1246 string "msg[1023] = 0;",
adamc@272 1247 newline,
adamc@272 1248 string "PQfinish(conn);",
adamc@272 1249 newline,
adamc@311 1250 string "uw_error(ctx, BOUNDED_RETRY, ",
adamc@272 1251 string "\"Connection to Postgres server failed: %s\", msg);"],
adamc@272 1252 newline,
adamc@272 1253 string "}",
adamc@272 1254 newline,
adamc@311 1255 string "uw_set_db(ctx, conn);",
adamc@272 1256 newline,
adamc@311 1257 string "uw_db_validate(ctx);",
adamc@275 1258 newline,
adamc@311 1259 string "uw_db_prepare(ctx);",
adamc@282 1260 newline,
adamc@272 1261 string "}",
adamc@272 1262 newline,
adamc@272 1263 newline,
adamc@311 1264 string "void uw_db_close(uw_context ctx) {",
adamc@272 1265 newline,
adamc@311 1266 string "PQfinish(uw_get_db(ctx));",
adamc@272 1267 newline,
adamc@272 1268 string "}",
adamc@272 1269 newline]
adamc@29 1270
adamc@282 1271 | DPreparedStatements ss =>
adamc@311 1272 box [string "static void uw_db_prepare(uw_context ctx) {",
adamc@282 1273 newline,
adamc@311 1274 string "PGconn *conn = uw_get_db(ctx);",
adamc@282 1275 newline,
adamc@282 1276 string "PGresult *res;",
adamc@282 1277 newline,
adamc@282 1278 newline,
adamc@282 1279
adamc@282 1280 p_list_sepi newline (fn i => fn (s, n) =>
adamc@311 1281 box [string "res = PQprepare(conn, \"uw",
adamc@282 1282 string (Int.toString i),
adamc@282 1283 string "\", \"",
adamc@282 1284 string (String.toString s),
adamc@282 1285 string "\", ",
adamc@282 1286 string (Int.toString n),
adamc@282 1287 string ", NULL);",
adamc@282 1288 newline,
adamc@282 1289 string "if (PQresultStatus(res) != PGRES_COMMAND_OK) {",
adamc@282 1290 newline,
adamc@282 1291 box [string "char msg[1024];",
adamc@282 1292 newline,
adamc@282 1293 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@282 1294 newline,
adamc@282 1295 string "msg[1023] = 0;",
adamc@282 1296 newline,
adamc@282 1297 string "PQclear(res);",
adamc@282 1298 newline,
adamc@282 1299 string "PQfinish(conn);",
adamc@282 1300 newline,
adamc@311 1301 string "uw_error(ctx, FATAL, \"Unable to create prepared statement:\\n",
adamc@282 1302 string (String.toString s),
adamc@282 1303 string "\\n%s\", msg);",
adamc@282 1304 newline],
adamc@282 1305 string "}",
adamc@282 1306 newline,
adamc@282 1307 string "PQclear(res);",
adamc@282 1308 newline])
adamc@282 1309 ss,
adamc@282 1310
adamc@282 1311 string "}"]
adamc@282 1312
adamc@144 1313 datatype 'a search =
adamc@144 1314 Found of 'a
adamc@144 1315 | NotFound
adamc@144 1316 | Error
adamc@120 1317
adamc@275 1318 fun p_sqltype' env (tAll as (t, loc)) =
adamc@275 1319 case t of
adamc@275 1320 TFfi ("Basis", "int") => "int8"
adamc@275 1321 | TFfi ("Basis", "float") => "float8"
adamc@275 1322 | TFfi ("Basis", "string") => "text"
adamc@275 1323 | TFfi ("Basis", "bool") => "bool"
adamc@275 1324 | _ => (ErrorMsg.errorAt loc "Don't know SQL equivalent of type";
adamc@275 1325 Print.eprefaces' [("Type", p_typ env tAll)];
adamc@275 1326 "ERROR")
adamc@275 1327
adamc@275 1328 fun p_sqltype env t = string (p_sqltype' env t)
adamc@101 1329
adamc@101 1330 fun p_file env (ds, ps) =
adamc@29 1331 let
adamc@101 1332 val (pds, env) = ListUtil.foldlMap (fn (d, env) =>
adamc@31 1333 (p_decl env d,
adamc@31 1334 E.declBinds env d))
adamc@101 1335 env ds
adamc@144 1336
adamc@144 1337 val fields = foldl (fn ((ek, _, _, ts), fields) =>
adamc@144 1338 case ek of
adamc@144 1339 Core.Link => fields
adamc@144 1340 | Core.Action =>
adamc@280 1341 case List.nth (ts, length ts - 2) of
adamc@144 1342 (TRecord i, _) =>
adamc@144 1343 let
adamc@144 1344 val xts = E.lookupStruct env i
adamc@144 1345 val xtsSet = SS.addList (SS.empty, map #1 xts)
adamc@144 1346 in
adamc@144 1347 foldl (fn ((x, _), fields) =>
adamc@144 1348 let
adamc@144 1349 val xtsSet' = Option.getOpt (SM.find (fields, x), SS.empty)
adamc@144 1350 in
adamc@144 1351 SM.insert (fields, x, SS.union (SS.delete (xtsSet, x),
adamc@144 1352 xtsSet'))
adamc@144 1353 end) fields xts
adamc@144 1354 end
adamc@144 1355 | _ => raise Fail "CjrPrint: Last argument of action isn't record")
adamc@144 1356 SM.empty ps
adamc@144 1357
adamc@144 1358 val fnums = SM.foldli (fn (x, xs, fnums) =>
adamc@144 1359 let
adamc@144 1360 val unusable = SS.foldl (fn (x', unusable) =>
adamc@144 1361 case SM.find (fnums, x') of
adamc@144 1362 NONE => unusable
adamc@144 1363 | SOME n => IS.add (unusable, n))
adamc@144 1364 IS.empty xs
adamc@144 1365
adamc@144 1366 fun findAvailable n =
adamc@144 1367 if IS.member (unusable, n) then
adamc@144 1368 findAvailable (n + 1)
adamc@144 1369 else
adamc@144 1370 n
adamc@144 1371 in
adamc@144 1372 SM.insert (fnums, x, findAvailable 0)
adamc@144 1373 end)
adamc@144 1374 SM.empty fields
adamc@144 1375
adamc@144 1376 fun makeSwitch (fnums, i) =
adamc@144 1377 case SM.foldl (fn (n, NotFound) => Found n
adamc@144 1378 | (n, Error) => Error
adamc@144 1379 | (n, Found n') => if n = n' then
adamc@144 1380 Found n'
adamc@144 1381 else
adamc@144 1382 Error) NotFound fnums of
adamc@144 1383 NotFound => box [string "return",
adamc@144 1384 space,
adamc@144 1385 string "-1;"]
adamc@144 1386 | Found n => box [string "return",
adamc@144 1387 space,
adamc@144 1388 string (Int.toString n),
adamc@144 1389 string ";"]
adamc@144 1390 | Error =>
adamc@144 1391 let
adamc@144 1392 val cmap = SM.foldli (fn (x, n, cmap) =>
adamc@144 1393 let
adamc@144 1394 val ch = if i < size x then
adamc@144 1395 String.sub (x, i)
adamc@144 1396 else
adamc@144 1397 chr 0
adamc@144 1398
adamc@144 1399 val fnums = case CM.find (cmap, ch) of
adamc@144 1400 NONE => SM.empty
adamc@144 1401 | SOME fnums => fnums
adamc@144 1402 val fnums = SM.insert (fnums, x, n)
adamc@144 1403 in
adamc@144 1404 CM.insert (cmap, ch, fnums)
adamc@144 1405 end)
adamc@144 1406 CM.empty fnums
adamc@144 1407
adamc@144 1408 val cmap = CM.listItemsi cmap
adamc@144 1409 in
adamc@144 1410 case cmap of
adamc@144 1411 [(_, fnums)] =>
adamc@144 1412 box [string "if",
adamc@144 1413 space,
adamc@144 1414 string "(name[",
adamc@144 1415 string (Int.toString i),
adamc@144 1416 string "]",
adamc@144 1417 space,
adamc@144 1418 string "==",
adamc@144 1419 space,
adamc@144 1420 string "0)",
adamc@144 1421 space,
adamc@144 1422 string "return",
adamc@144 1423 space,
adamc@144 1424 string "-1;",
adamc@144 1425 newline,
adamc@144 1426 makeSwitch (fnums, i+1)]
adamc@144 1427 | _ =>
adamc@144 1428 box [string "switch",
adamc@144 1429 space,
adamc@144 1430 string "(name[",
adamc@144 1431 string (Int.toString i),
adamc@144 1432 string "])",
adamc@144 1433 space,
adamc@144 1434 string "{",
adamc@144 1435 newline,
adamc@144 1436 box (map (fn (ch, fnums) =>
adamc@144 1437 box [string "case",
adamc@144 1438 space,
adamc@144 1439 if ch = chr 0 then
adamc@144 1440 string "0:"
adamc@144 1441 else
adamc@144 1442 box [string "'",
adamc@144 1443 string (Char.toString ch),
adamc@144 1444 string "':"],
adamc@144 1445 newline,
adamc@144 1446 makeSwitch (fnums, i+1),
adamc@144 1447 newline]) cmap),
adamc@144 1448 string "default:",
adamc@144 1449 newline,
adamc@144 1450 string "return",
adamc@144 1451 space,
adamc@144 1452 string "-1;",
adamc@144 1453 newline,
adamc@144 1454 string "}"]
adamc@144 1455 end
adamc@144 1456
adamc@186 1457 fun capitalize s =
adamc@186 1458 if s = "" then
adamc@186 1459 ""
adamc@186 1460 else
adamc@186 1461 str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@186 1462
adamc@144 1463 fun unurlify (t, loc) =
adamc@144 1464 case t of
adamc@316 1465 TFfi (m, t) => string ("uw_" ^ ident m ^ "_unurlify" ^ capitalize t ^ "(ctx, &request)")
adamc@144 1466
adamc@311 1467 | TRecord 0 => string "uw_unit_v"
adamc@144 1468 | TRecord i =>
adamc@144 1469 let
adamc@144 1470 val xts = E.lookupStruct env i
adamc@144 1471 in
adamc@144 1472 box [string "({",
adamc@144 1473 newline,
adamc@144 1474 box (map (fn (x, t) =>
adamc@144 1475 box [p_typ env t,
adamc@144 1476 space,
adamc@144 1477 string x,
adamc@144 1478 space,
adamc@144 1479 string "=",
adamc@144 1480 space,
adamc@144 1481 unurlify t,
adamc@144 1482 string ";",
adamc@144 1483 newline]) xts),
adamc@144 1484 string "struct",
adamc@144 1485 space,
adamc@311 1486 string "__uws_",
adamc@144 1487 string (Int.toString i),
adamc@144 1488 space,
adamc@181 1489 string "tmp",
adamc@144 1490 space,
adamc@144 1491 string "=",
adamc@144 1492 space,
adamc@144 1493 string "{",
adamc@144 1494 space,
adamc@144 1495 p_list_sep (box [string ",", space]) (fn (x, _) => string x) xts,
adamc@144 1496 space,
adamc@144 1497 string "};",
adamc@144 1498 newline,
adamc@181 1499 string "tmp;",
adamc@144 1500 newline,
adamc@144 1501 string "})"]
adamc@144 1502 end
adamc@144 1503
adamc@188 1504 | TDatatype (Enum, i, _) =>
adamc@188 1505 let
adamc@188 1506 val (x, xncs) = E.lookupDatatype env i
adamc@188 1507
adamc@188 1508 fun doEm xncs =
adamc@188 1509 case xncs of
adamc@311 1510 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), (enum __uwe_"
adamc@188 1511 ^ x ^ "_" ^ Int.toString i ^ ")0)")
adamc@188 1512 | (x', n, to) :: rest =>
adamc@188 1513 box [string "((!strncmp(request, \"",
adamc@188 1514 string x',
adamc@188 1515 string "\", ",
adamc@188 1516 string (Int.toString (size x')),
adamc@188 1517 string ") && (request[",
adamc@188 1518 string (Int.toString (size x')),
adamc@188 1519 string "] == 0 || request[",
adamc@188 1520 string (Int.toString (size x')),
adamc@316 1521 string ("] == '/')) ? __uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@188 1522 space,
adamc@188 1523 string ":",
adamc@188 1524 space,
adamc@188 1525 doEm rest,
adamc@188 1526 string ")"]
adamc@188 1527 in
adamc@188 1528 doEm xncs
adamc@188 1529 end
adamc@188 1530
adamc@198 1531 | TDatatype (Option, i, xncs) =>
adamc@198 1532 let
adamc@198 1533 val (x, _) = E.lookupDatatype env i
adamc@198 1534
adamc@198 1535 val (no_arg, has_arg, t) =
adamc@198 1536 case !xncs of
adamc@198 1537 [(no_arg, _, NONE), (has_arg, _, SOME t)] =>
adamc@198 1538 (no_arg, has_arg, t)
adamc@198 1539 | [(has_arg, _, SOME t), (no_arg, _, NONE)] =>
adamc@198 1540 (no_arg, has_arg, t)
adamc@198 1541 | _ => raise Fail "CjrPrint: unfooify misclassified Option datatype"
adamc@198 1542 in
adamc@198 1543 box [string "(request[0] == '/' ? ++request : request,",
adamc@198 1544 newline,
adamc@198 1545 string "((!strncmp(request, \"",
adamc@198 1546 string no_arg,
adamc@198 1547 string "\", ",
adamc@198 1548 string (Int.toString (size no_arg)),
adamc@198 1549 string ") && (request[",
adamc@198 1550 string (Int.toString (size no_arg)),
adamc@198 1551 string "] == 0 || request[",
adamc@198 1552 string (Int.toString (size no_arg)),
adamc@198 1553 string "] == '/')) ? (request",
adamc@198 1554 space,
adamc@198 1555 string "+=",
adamc@198 1556 space,
adamc@198 1557 string (Int.toString (size no_arg)),
adamc@198 1558 string ", NULL) : ((!strncmp(request, \"",
adamc@198 1559 string has_arg,
adamc@198 1560 string "\", ",
adamc@198 1561 string (Int.toString (size has_arg)),
adamc@198 1562 string ") && (request[",
adamc@198 1563 string (Int.toString (size has_arg)),
adamc@198 1564 string "] == 0 || request[",
adamc@198 1565 string (Int.toString (size has_arg)),
adamc@198 1566 string "] == '/')) ? (request",
adamc@198 1567 space,
adamc@198 1568 string "+=",
adamc@198 1569 space,
adamc@198 1570 string (Int.toString (size has_arg)),
adamc@200 1571 string ", (request[0] == '/' ? ++request : NULL), ",
adamc@200 1572 newline,
adamc@198 1573
adamc@198 1574 case #1 t of
adamc@198 1575 TDatatype _ => unurlify t
adamc@199 1576 | TFfi ("Basis", "string") => unurlify t
adamc@198 1577 | _ => box [string "({",
adamc@198 1578 newline,
adamc@198 1579 p_typ env t,
adamc@198 1580 space,
adamc@198 1581 string "*tmp",
adamc@198 1582 space,
adamc@198 1583 string "=",
adamc@198 1584 space,
adamc@311 1585 string "uw_malloc(ctx, sizeof(",
adamc@198 1586 p_typ env t,
adamc@198 1587 string "));",
adamc@198 1588 newline,
adamc@198 1589 string "*tmp",
adamc@198 1590 space,
adamc@198 1591 string "=",
adamc@198 1592 space,
adamc@198 1593 unurlify t,
adamc@198 1594 string ";",
adamc@198 1595 newline,
adamc@198 1596 string "tmp;",
adamc@198 1597 newline,
adamc@198 1598 string "})"],
adamc@198 1599 string ")",
adamc@198 1600 newline,
adamc@198 1601 string ":",
adamc@198 1602 space,
adamc@311 1603 string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL))))")]
adamc@198 1604 end
adamc@198 1605
adamc@188 1606 | TDatatype (Default, i, _) =>
adamc@166 1607 let
adamc@166 1608 val (x, xncs) = E.lookupDatatype env i
adamc@166 1609
adamc@166 1610 fun doEm xncs =
adamc@166 1611 case xncs of
adamc@311 1612 [] => string ("(uw_error(ctx, FATAL, \"Error unurlifying datatype " ^ x ^ "\"), NULL)")
adamc@167 1613 | (x', n, to) :: rest =>
adamc@167 1614 box [string "((!strncmp(request, \"",
adamc@167 1615 string x',
adamc@167 1616 string "\", ",
adamc@167 1617 string (Int.toString (size x')),
adamc@167 1618 string ") && (request[",
adamc@167 1619 string (Int.toString (size x')),
adamc@167 1620 string "] == 0 || request[",
adamc@167 1621 string (Int.toString (size x')),
adamc@167 1622 string "] == '/')) ? ({",
adamc@166 1623 newline,
adamc@167 1624 string "struct",
adamc@167 1625 space,
adamc@316 1626 string ("__uwd_" ^ ident x ^ "_" ^ Int.toString i),
adamc@166 1627 space,
adamc@311 1628 string "*tmp = uw_malloc(ctx, sizeof(struct __uwd_",
adamc@167 1629 string x,
adamc@167 1630 string "_",
adamc@167 1631 string (Int.toString i),
adamc@167 1632 string "));",
adamc@166 1633 newline,
adamc@181 1634 string "tmp->tag",
adamc@166 1635 space,
adamc@166 1636 string "=",
adamc@166 1637 space,
adamc@316 1638 string ("__uwc_" ^ ident x' ^ "_" ^ Int.toString n),
adamc@166 1639 string ";",
adamc@166 1640 newline,
adamc@166 1641 string "request",
adamc@166 1642 space,
adamc@166 1643 string "+=",
adamc@166 1644 space,
adamc@167 1645 string (Int.toString (size x')),
adamc@166 1646 string ";",
adamc@166 1647 newline,
adamc@200 1648 string "if (request[0] == '/') ++request;",
adamc@200 1649 newline,
adamc@166 1650 case to of
adamc@166 1651 NONE => box []
adamc@311 1652 | SOME t => box [string "tmp->data.uw_",
adamc@316 1653 p_ident x',
adamc@166 1654 space,
adamc@166 1655 string "=",
adamc@166 1656 space,
adamc@166 1657 unurlify t,
adamc@166 1658 string ";",
adamc@166 1659 newline],
adamc@181 1660 string "tmp;",
adamc@166 1661 newline,
adamc@166 1662 string "})",
adamc@166 1663 space,
adamc@166 1664 string ":",
adamc@166 1665 space,
adamc@166 1666 doEm rest,
adamc@166 1667 string ")"]
adamc@166 1668 in
adamc@166 1669 doEm xncs
adamc@166 1670 end
adamc@166 1671
adamc@144 1672 | _ => (ErrorMsg.errorAt loc "Unable to choose a URL decoding function";
adamc@144 1673 space)
adamc@144 1674
adamc@144 1675
adamc@144 1676 fun p_page (ek, s, n, ts) =
adamc@144 1677 let
adamc@144 1678 val (ts, defInputs, inputsVar) =
adamc@144 1679 case ek of
adamc@314 1680 Core.Link => (List.take (ts, length ts - 1), string "", string "")
adamc@144 1681 | Core.Action =>
adamc@280 1682 case List.nth (ts, length ts - 2) of
adamc@144 1683 (TRecord i, _) =>
adamc@144 1684 let
adamc@144 1685 val xts = E.lookupStruct env i
adamc@144 1686 in
adamc@280 1687 (List.take (ts, length ts - 2),
adamc@144 1688 box [box (map (fn (x, t) => box [p_typ env t,
adamc@144 1689 space,
adamc@311 1690 string "uw_input_",
adamc@316 1691 p_ident x,
adamc@144 1692 string ";",
adamc@144 1693 newline]) xts),
adamc@144 1694 newline,
adamc@144 1695 box (map (fn (x, t) =>
adamc@144 1696 let
adamc@144 1697 val n = case SM.find (fnums, x) of
adamc@144 1698 NONE => raise Fail "CjrPrint: Can't find in fnums"
adamc@144 1699 | SOME n => n
adamc@190 1700
adamc@190 1701 val f = case t of
adamc@190 1702 (TFfi ("Basis", "bool"), _) => "optional_"
adamc@190 1703 | _ => ""
adamc@144 1704 in
adamc@311 1705 box [string "request = uw_get_",
adamc@190 1706 string f,
adamc@190 1707 string "input(ctx, ",
adamc@144 1708 string (Int.toString n),
adamc@144 1709 string ");",
adamc@144 1710 newline,
adamc@144 1711 string "if (request == NULL) {",
adamc@144 1712 newline,
adamc@144 1713 box [string "printf(\"Missing input ",
adamc@144 1714 string x,
adamc@144 1715 string "\\n\");",
adamc@144 1716 newline,
adamc@144 1717 string "exit(1);"],
adamc@144 1718 newline,
adamc@144 1719 string "}",
adamc@144 1720 newline,
adamc@311 1721 string "uw_input_",
adamc@316 1722 p_ident x,
adamc@144 1723 space,
adamc@144 1724 string "=",
adamc@144 1725 space,
adamc@144 1726 unurlify t,
adamc@144 1727 string ";",
adamc@144 1728 newline]
adamc@144 1729 end) xts),
adamc@311 1730 string "struct __uws_",
adamc@144 1731 string (Int.toString i),
adamc@144 1732 space,
adamc@311 1733 string "uw_inputs",
adamc@144 1734 space,
adamc@144 1735 string "= {",
adamc@144 1736 newline,
adamc@311 1737 box (map (fn (x, _) => box [string "uw_input_",
adamc@316 1738 p_ident x,
adamc@144 1739 string ",",
adamc@144 1740 newline]) xts),
adamc@144 1741 string "};",
adamc@144 1742 newline],
adamc@144 1743 box [string ",",
adamc@144 1744 space,
adamc@311 1745 string "uw_inputs"])
adamc@144 1746 end
adamc@144 1747
adamc@144 1748 | _ => raise Fail "CjrPrint: Last argument to an action isn't a record"
adamc@144 1749 in
adamc@144 1750 box [string "if (!strncmp(request, \"",
adamc@144 1751 string (String.toString s),
adamc@144 1752 string "\", ",
adamc@144 1753 string (Int.toString (size s)),
adamc@198 1754 string ") && (request[",
adamc@198 1755 string (Int.toString (size s)),
adamc@198 1756 string "] == 0 || request[",
adamc@198 1757 string (Int.toString (size s)),
adamc@198 1758 string "] == '/')) {",
adamc@144 1759 newline,
adamc@144 1760 string "request += ",
adamc@144 1761 string (Int.toString (size s)),
adamc@144 1762 string ";",
adamc@144 1763 newline,
adamc@144 1764 string "if (*request == '/') ++request;",
adamc@144 1765 newline,
adamc@144 1766 box [string "{",
adamc@144 1767 newline,
adamc@144 1768 box (ListUtil.mapi (fn (i, t) => box [p_typ env t,
adamc@144 1769 space,
adamc@144 1770 string "arg",
adamc@144 1771 string (Int.toString i),
adamc@144 1772 space,
adamc@144 1773 string "=",
adamc@144 1774 space,
adamc@144 1775 unurlify t,
adamc@144 1776 string ";",
adamc@144 1777 newline]) ts),
adamc@144 1778 defInputs,
adamc@144 1779 p_enamed env n,
adamc@144 1780 string "(",
adamc@144 1781 p_list_sep (box [string ",", space])
adamc@144 1782 (fn x => x)
adamc@272 1783 (string "ctx"
adamc@280 1784 :: ListUtil.mapi (fn (i, _) => string ("arg" ^ Int.toString i)) ts),
adamc@144 1785 inputsVar,
adamc@311 1786 string ", uw_unit_v);",
adamc@144 1787 newline,
adamc@144 1788 string "return;",
adamc@144 1789 newline,
adamc@144 1790 string "}",
adamc@144 1791 newline,
adamc@144 1792 string "}"]
adamc@144 1793 ]
adamc@144 1794 end
adamc@144 1795
adamc@144 1796 val pds' = map p_page ps
adamc@275 1797
adamc@275 1798 val tables = List.mapPartial (fn (DTable (s, xts), _) => SOME (s, xts)
adamc@275 1799 | _ => NONE) ds
adamc@377 1800 val sequences = List.mapPartial (fn (DSequence s, _) => SOME s
adamc@377 1801 | _ => NONE) ds
adamc@275 1802
adamc@275 1803 val validate =
adamc@311 1804 box [string "static void uw_db_validate(uw_context ctx) {",
adamc@275 1805 newline,
adamc@311 1806 string "PGconn *conn = uw_get_db(ctx);",
adamc@275 1807 newline,
adamc@275 1808 string "PGresult *res;",
adamc@275 1809 newline,
adamc@275 1810 newline,
adamc@275 1811 p_list_sep newline
adamc@275 1812 (fn (s, xts) =>
adamc@275 1813 let
adamc@377 1814 val sl = CharVector.map Char.toLower s
adamc@377 1815
adamc@275 1816 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 1817 ^ sl ^ "'"
adamc@275 1818
adamc@275 1819 val q' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 1820 sl,
adamc@275 1821 "') AND (",
adamc@275 1822 String.concatWith " OR "
adamc@275 1823 (map (fn (x, t) =>
adamc@311 1824 String.concat ["(attname = 'uw_",
adamc@275 1825 CharVector.map
adamc@316 1826 Char.toLower (ident x),
adamc@275 1827 "' AND atttypid = (SELECT oid FROM pg_type",
adamc@275 1828 " WHERE typname = '",
adamc@275 1829 p_sqltype' env t,
adamc@275 1830 "'))"]) xts),
adamc@275 1831 ")"]
adamc@275 1832
adamc@275 1833 val q'' = String.concat ["SELECT COUNT(*) FROM pg_attribute WHERE attrelid = (SELECT oid FROM pg_class WHERE relname = '",
adamc@377 1834 sl,
adamc@325 1835 "') AND attname LIKE 'uw_%'"]
adamc@275 1836 in
adamc@275 1837 box [string "res = PQexec(conn, \"",
adamc@275 1838 string q,
adamc@275 1839 string "\");",
adamc@275 1840 newline,
adamc@275 1841 newline,
adamc@275 1842 string "if (res == NULL) {",
adamc@275 1843 newline,
adamc@275 1844 box [string "PQfinish(conn);",
adamc@275 1845 newline,
adamc@311 1846 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1847 newline],
adamc@275 1848 string "}",
adamc@275 1849 newline,
adamc@275 1850 newline,
adamc@275 1851 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1852 newline,
adamc@275 1853 box [string "char msg[1024];",
adamc@275 1854 newline,
adamc@275 1855 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1856 newline,
adamc@275 1857 string "msg[1023] = 0;",
adamc@275 1858 newline,
adamc@275 1859 string "PQclear(res);",
adamc@275 1860 newline,
adamc@275 1861 string "PQfinish(conn);",
adamc@275 1862 newline,
adamc@311 1863 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1864 string q,
adamc@275 1865 string "\\n%s\", msg);",
adamc@275 1866 newline],
adamc@275 1867 string "}",
adamc@275 1868 newline,
adamc@275 1869 newline,
adamc@275 1870 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@275 1871 newline,
adamc@275 1872 box [string "PQclear(res);",
adamc@275 1873 newline,
adamc@275 1874 string "PQfinish(conn);",
adamc@275 1875 newline,
adamc@311 1876 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1877 string s,
adamc@275 1878 string "' does not exist.\");",
adamc@275 1879 newline],
adamc@275 1880 string "}",
adamc@275 1881 newline,
adamc@275 1882 newline,
adamc@275 1883 string "PQclear(res);",
adamc@275 1884 newline,
adamc@275 1885
adamc@275 1886 string "res = PQexec(conn, \"",
adamc@275 1887 string q',
adamc@275 1888 string "\");",
adamc@275 1889 newline,
adamc@275 1890 newline,
adamc@275 1891 string "if (res == NULL) {",
adamc@275 1892 newline,
adamc@275 1893 box [string "PQfinish(conn);",
adamc@275 1894 newline,
adamc@311 1895 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1896 newline],
adamc@275 1897 string "}",
adamc@275 1898 newline,
adamc@275 1899 newline,
adamc@275 1900 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1901 newline,
adamc@275 1902 box [string "char msg[1024];",
adamc@275 1903 newline,
adamc@275 1904 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1905 newline,
adamc@275 1906 string "msg[1023] = 0;",
adamc@275 1907 newline,
adamc@275 1908 string "PQclear(res);",
adamc@275 1909 newline,
adamc@275 1910 string "PQfinish(conn);",
adamc@275 1911 newline,
adamc@311 1912 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1913 string q',
adamc@275 1914 string "\\n%s\", msg);",
adamc@275 1915 newline],
adamc@275 1916 string "}",
adamc@275 1917 newline,
adamc@275 1918 newline,
adamc@275 1919 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1920 string (Int.toString (length xts)),
adamc@275 1921 string "\")) {",
adamc@275 1922 newline,
adamc@275 1923 box [string "PQclear(res);",
adamc@275 1924 newline,
adamc@275 1925 string "PQfinish(conn);",
adamc@275 1926 newline,
adamc@311 1927 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1928 string s,
adamc@275 1929 string "' has the wrong column types.\");",
adamc@275 1930 newline],
adamc@275 1931 string "}",
adamc@275 1932 newline,
adamc@275 1933 newline,
adamc@275 1934 string "PQclear(res);",
adamc@275 1935 newline,
adamc@275 1936 newline,
adamc@275 1937
adamc@275 1938 string "res = PQexec(conn, \"",
adamc@275 1939 string q'',
adamc@275 1940 string "\");",
adamc@275 1941 newline,
adamc@275 1942 newline,
adamc@275 1943 string "if (res == NULL) {",
adamc@275 1944 newline,
adamc@275 1945 box [string "PQfinish(conn);",
adamc@275 1946 newline,
adamc@311 1947 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@275 1948 newline],
adamc@275 1949 string "}",
adamc@275 1950 newline,
adamc@275 1951 newline,
adamc@275 1952 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@275 1953 newline,
adamc@275 1954 box [string "char msg[1024];",
adamc@275 1955 newline,
adamc@275 1956 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@275 1957 newline,
adamc@275 1958 string "msg[1023] = 0;",
adamc@275 1959 newline,
adamc@275 1960 string "PQclear(res);",
adamc@275 1961 newline,
adamc@275 1962 string "PQfinish(conn);",
adamc@275 1963 newline,
adamc@311 1964 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@275 1965 string q'',
adamc@275 1966 string "\\n%s\", msg);",
adamc@275 1967 newline],
adamc@275 1968 string "}",
adamc@275 1969 newline,
adamc@275 1970 newline,
adamc@275 1971 string "if (strcmp(PQgetvalue(res, 0, 0), \"",
adamc@275 1972 string (Int.toString (length xts)),
adamc@275 1973 string "\")) {",
adamc@275 1974 newline,
adamc@275 1975 box [string "PQclear(res);",
adamc@275 1976 newline,
adamc@275 1977 string "PQfinish(conn);",
adamc@275 1978 newline,
adamc@311 1979 string "uw_error(ctx, FATAL, \"Table '",
adamc@275 1980 string s,
adamc@275 1981 string "' has extra columns.\");",
adamc@275 1982 newline],
adamc@275 1983 string "}",
adamc@275 1984 newline,
adamc@275 1985 newline,
adamc@275 1986 string "PQclear(res);",
adamc@275 1987 newline]
adamc@275 1988 end) tables,
adamc@377 1989
adamc@377 1990 p_list_sep newline
adamc@377 1991 (fn s =>
adamc@377 1992 let
adamc@377 1993 val sl = CharVector.map Char.toLower s
adamc@377 1994
adamc@377 1995 val q = "SELECT COUNT(*) FROM pg_class WHERE relname = '"
adamc@377 1996 ^ sl ^ "' AND relkind = 'S'"
adamc@377 1997 in
adamc@377 1998 box [string "res = PQexec(conn, \"",
adamc@377 1999 string q,
adamc@377 2000 string "\");",
adamc@377 2001 newline,
adamc@377 2002 newline,
adamc@377 2003 string "if (res == NULL) {",
adamc@377 2004 newline,
adamc@377 2005 box [string "PQfinish(conn);",
adamc@377 2006 newline,
adamc@377 2007 string "uw_error(ctx, FATAL, \"Out of memory allocating query result.\");",
adamc@377 2008 newline],
adamc@377 2009 string "}",
adamc@377 2010 newline,
adamc@377 2011 newline,
adamc@377 2012 string "if (PQresultStatus(res) != PGRES_TUPLES_OK) {",
adamc@377 2013 newline,
adamc@377 2014 box [string "char msg[1024];",
adamc@377 2015 newline,
adamc@377 2016 string "strncpy(msg, PQerrorMessage(conn), 1024);",
adamc@377 2017 newline,
adamc@377 2018 string "msg[1023] = 0;",
adamc@377 2019 newline,
adamc@377 2020 string "PQclear(res);",
adamc@377 2021 newline,
adamc@377 2022 string "PQfinish(conn);",
adamc@377 2023 newline,
adamc@377 2024 string "uw_error(ctx, FATAL, \"Query failed:\\n",
adamc@377 2025 string q,
adamc@377 2026 string "\\n%s\", msg);",
adamc@377 2027 newline],
adamc@377 2028 string "}",
adamc@377 2029 newline,
adamc@377 2030 newline,
adamc@377 2031 string "if (strcmp(PQgetvalue(res, 0, 0), \"1\")) {",
adamc@377 2032 newline,
adamc@377 2033 box [string "PQclear(res);",
adamc@377 2034 newline,
adamc@377 2035 string "PQfinish(conn);",
adamc@377 2036 newline,
adamc@377 2037 string "uw_error(ctx, FATAL, \"Sequence '",
adamc@377 2038 string s,
adamc@377 2039 string "' does not exist.\");",
adamc@377 2040 newline],
adamc@377 2041 string "}",
adamc@377 2042 newline,
adamc@377 2043 newline,
adamc@377 2044 string "PQclear(res);",
adamc@377 2045 newline]
adamc@377 2046 end) sequences,
adamc@377 2047
adamc@275 2048 string "}"]
adamc@29 2049 in
adamc@144 2050 box [string "#include <stdio.h>",
adamc@144 2051 newline,
adamc@144 2052 string "#include <stdlib.h>",
adamc@144 2053 newline,
adamc@272 2054 string "#include <string.h>",
adamc@272 2055 newline,
adamc@272 2056 string "#include <postgresql/libpq-fe.h>",
adamc@272 2057 newline,
adamc@144 2058 newline,
adamc@378 2059 string "#include \"",
adamc@378 2060 string (OS.Path.joinDirFile {dir = Config.includ,
adamc@378 2061 file = "urweb.h"}),
adamc@378 2062 string "\"",
adamc@101 2063 newline,
adamc@101 2064 newline,
adamc@101 2065 p_list_sep newline (fn x => x) pds,
adamc@101 2066 newline,
adamc@311 2067 string "int uw_inputs_len = ",
adamc@144 2068 string (Int.toString (SM.foldl Int.max 0 fnums + 1)),
adamc@144 2069 string ";",
adamc@144 2070 newline,
adamc@144 2071 newline,
adamc@311 2072 string "int uw_input_num(char *name) {",
adamc@144 2073 newline,
adamc@144 2074 makeSwitch (fnums, 0),
adamc@144 2075 string "}",
adamc@144 2076 newline,
adamc@144 2077 newline,
adamc@311 2078 string "void uw_handle(uw_context ctx, char *request) {",
adamc@101 2079 newline,
adamc@101 2080 p_list_sep newline (fn x => x) pds',
adamc@101 2081 newline,
adamc@387 2082 string "uw_error(ctx, FATAL, \"Unknown page\");",
adamc@387 2083 newline,
adamc@101 2084 string "}",
adamc@275 2085 newline,
adamc@275 2086 newline,
adamc@275 2087 validate,
adamc@376 2088 newline,
adamc@376 2089 if List.exists (fn (DDatabase _, _) => true | _ => false) ds then
adamc@376 2090 box []
adamc@376 2091 else
adamc@376 2092 box [newline,
adamc@376 2093 string "void uw_db_init(uw_context ctx) { };",
adamc@376 2094 newline]]
adamc@29 2095 end
adamc@29 2096
adamc@274 2097 fun p_sql env (ds, _) =
adamc@274 2098 let
adamc@274 2099 val (pps, _) = ListUtil.foldlMap
adamc@274 2100 (fn (dAll as (d, _), env) =>
adamc@274 2101 let
adamc@274 2102 val pp = case d of
adamc@274 2103 DTable (s, xts) =>
adamc@274 2104 box [string "CREATE TABLE ",
adamc@274 2105 string s,
adamc@274 2106 string "(",
adamc@274 2107 p_list (fn (x, t) =>
adamc@311 2108 box [string "uw_",
adamc@275 2109 string (CharVector.map Char.toLower x),
adamc@274 2110 space,
adamc@274 2111 p_sqltype env t,
adamc@274 2112 space,
adamc@274 2113 string "NOT",
adamc@274 2114 space,
adamc@274 2115 string "NULL"]) xts,
adamc@274 2116 string ");",
adamc@274 2117 newline,
adamc@274 2118 newline]
adamc@338 2119 | DSequence s =>
adamc@338 2120 box [string "CREATE SEQUENCE ",
adamc@338 2121 string s,
adamc@338 2122 string ";",
adamc@338 2123 newline,
adamc@338 2124 newline]
adamc@274 2125 | _ => box []
adamc@274 2126 in
adamc@274 2127 (pp, E.declBinds env dAll)
adamc@274 2128 end)
adamc@274 2129 env ds
adamc@274 2130 in
adamc@274 2131 box pps
adamc@274 2132 end
adamc@274 2133
adamc@29 2134 end