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annotate src/settings.sml @ 1550:daf71c76707e

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Postgres deadlock triggers unlimited retry
author Adam Chlipala <adam@chlipala.net>
date Sun, 28 Aug 2011 14:01:41 -0400
parents 883347f5c3c2
children d5c961c709f9
rev   line source
adam@1478 1 (* Copyright (c) 2008-2011, Adam Chlipala
adamc@764 2 * All rights reserved.
adamc@764 3 *
adamc@764 4 * Redistribution and use in source and binary forms, with or without
adamc@764 5 * modification, are permitted provided that the following conditions are met:
adamc@764 6 *
adamc@764 7 * - Redistributions of source code must retain the above copyright notice,
adamc@764 8 * this list of conditions and the following disclaimer.
adamc@764 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@764 10 * this list of conditions and the following disclaimer in the documentation
adamc@764 11 * and/or other materials provided with the distribution.
adamc@764 12 * - The names of contributors may not be used to endorse or promote products
adamc@764 13 * derived from this software without specific prior written permission.
adamc@764 14 *
adamc@764 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@764 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@764 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@764 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@764 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@764 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@764 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@764 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@764 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@764 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@764 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@764 26 *)
adamc@764 27
adamc@764 28 structure Settings :> SETTINGS = struct
adamc@764 29
adamc@764 30 val urlPrefix = ref "/"
adam@1370 31 val urlPrePrefix = ref ""
adamc@764 32 val timeout = ref 0
adamc@764 33 val headers = ref ([] : string list)
adamc@766 34 val scripts = ref ([] : string list)
adamc@764 35
adamc@764 36 fun getUrlPrefix () = !urlPrefix
adam@1370 37 fun getUrlPrePrefix () = !urlPrePrefix
adamc@764 38 fun setUrlPrefix p =
adam@1370 39 let
adam@1370 40 val prefix = if p = "" then
adam@1370 41 "/"
adam@1370 42 else if String.sub (p, size p - 1) <> #"/" then
adam@1370 43 p ^ "/"
adam@1370 44 else
adam@1370 45 p
adam@1370 46
adam@1470 47 fun findPrefix n =
adam@1470 48 let
adam@1470 49 val (befor, after) = Substring.splitl (fn ch => ch <> #"/") (Substring.extract (prefix, n, NONE))
adam@1470 50 in
adam@1470 51 if Substring.isEmpty after then
adam@1470 52 ("", prefix)
adam@1470 53 else
adam@1470 54 (String.substring (prefix, 0, n) ^ Substring.string befor, Substring.string after)
adam@1470 55 end
adam@1470 56
adam@1370 57 val (prepre, prefix) =
adam@1370 58 if String.isPrefix "http://" prefix then
adam@1470 59 findPrefix 7
adam@1470 60 else if String.isPrefix "https://" prefix then
adam@1470 61 findPrefix 8
adam@1370 62 else
adam@1370 63 ("", prefix)
adam@1370 64 in
adam@1370 65 urlPrePrefix := prepre;
adam@1370 66 urlPrefix := prefix
adam@1370 67 end
adamc@764 68
adamc@764 69 fun getTimeout () = !timeout
adamc@764 70 fun setTimeout n = timeout := n
adamc@764 71
adamc@764 72 fun getHeaders () = !headers
adamc@764 73 fun setHeaders ls = headers := ls
adamc@764 74
adamc@766 75 fun getScripts () = !scripts
adamc@766 76 fun setScripts ls = scripts := ls
adamc@766 77
adamc@765 78 type ffi = string * string
adamc@765 79
adamc@765 80 structure K = struct
adamc@765 81 type ord_key = ffi
adamc@765 82 fun compare ((m1, x1), (m2, x2)) =
adamc@765 83 Order.join (String.compare (m1, m2),
adamc@765 84 fn () => String.compare (x1, x2))
adamc@764 85 end
adamc@765 86
adamc@765 87 structure S = BinarySetFn(K)
adamc@765 88 structure M = BinaryMapFn(K)
adamc@765 89
adamc@765 90 fun basis x = S.addList (S.empty, map (fn x : string => ("Basis", x)) x)
adamc@765 91
adamc@765 92 val clientToServerBase = basis ["int",
adamc@765 93 "float",
adamc@765 94 "string",
adamc@765 95 "time",
adamc@765 96 "file",
adamc@765 97 "unit",
adamc@765 98 "option",
adamc@765 99 "list",
adam@1288 100 "bool",
adam@1288 101 "variant"]
adamc@765 102 val clientToServer = ref clientToServerBase
adamc@765 103 fun setClientToServer ls = clientToServer := S.addList (clientToServerBase, ls)
adamc@765 104 fun mayClientToServer x = S.member (!clientToServer, x)
adamc@765 105
adamc@779 106 val effectfulBase = basis ["dml",
adamc@779 107 "nextval",
adamc@1073 108 "setval",
adamc@779 109 "set_cookie",
adamc@1050 110 "clear_cookie",
adamc@765 111 "new_channel",
adamc@1200 112 "send",
adamc@1200 113 "htmlifyInt_w",
adamc@1200 114 "htmlifyFloat_w",
adamc@1200 115 "htmlifyString_w",
adamc@1200 116 "htmlifyBool_w",
adamc@1200 117 "htmlifyTime_w",
adamc@1200 118 "attrifyInt_w",
adamc@1200 119 "attrifyFloat_w",
adamc@1200 120 "attrifyString_w",
adamc@1200 121 "attrifyChar_w",
adamc@1200 122 "urlifyInt_w",
adamc@1200 123 "urlifyFloat_w",
adamc@1200 124 "urlifyString_w",
adamc@1200 125 "urlifyBool_w",
adamc@1200 126 "urlifyChannel_w"]
adamc@765 127
adamc@765 128 val effectful = ref effectfulBase
adamc@765 129 fun setEffectful ls = effectful := S.addList (effectfulBase, ls)
adamc@765 130 fun isEffectful x = S.member (!effectful, x)
adamc@765 131
adamc@1171 132 val benignBase = basis ["get_cookie",
adamc@1171 133 "new_client_source",
adamc@1171 134 "get_client_source",
adamc@1171 135 "set_client_source",
adamc@1171 136 "current",
adamc@1171 137 "alert",
adam@1290 138 "confirm",
adamc@1171 139 "onError",
adamc@1171 140 "onFail",
adamc@1171 141 "onConnectFail",
adamc@1171 142 "onDisconnect",
adamc@1171 143 "onServerError",
adamc@1171 144 "kc",
adamc@1250 145 "debug",
adam@1389 146 "naughtyDebug",
adam@1422 147 "rand",
adam@1465 148 "now",
adam@1465 149 "getHeader",
adam@1465 150 "setHeader"]
adamc@1171 151
adamc@1171 152 val benign = ref benignBase
adamc@1171 153 fun setBenignEffectful ls = benign := S.addList (benignBase, ls)
adamc@1171 154 fun isBenignEffectful x = S.member (!benign, x)
adamc@1171 155
adamc@765 156 val clientBase = basis ["get",
adamc@765 157 "set",
adamc@841 158 "current",
adamc@765 159 "alert",
adam@1290 160 "confirm",
adamc@765 161 "recv",
adamc@765 162 "sleep",
adamc@765 163 "spawn",
adamc@765 164 "onError",
adamc@765 165 "onFail",
adamc@765 166 "onConnectFail",
adamc@765 167 "onDisconnect",
adamc@895 168 "onServerError",
adamc@895 169 "kc"]
adamc@765 170 val client = ref clientBase
adamc@765 171 fun setClientOnly ls = client := S.addList (clientBase, ls)
adamc@765 172 fun isClientOnly x = S.member (!client, x)
adamc@765 173
adamc@765 174 val serverBase = basis ["requestHeader",
adamc@765 175 "query",
adamc@765 176 "dml",
adamc@765 177 "nextval",
adamc@1073 178 "setval",
adamc@765 179 "channel",
adamc@765 180 "send"]
adamc@765 181 val server = ref serverBase
adamc@765 182 fun setServerOnly ls = server := S.addList (serverBase, ls)
adamc@765 183 fun isServerOnly x = S.member (!server, x)
adamc@765 184
adamc@765 185 val basisM = foldl (fn ((k, v : string), m) => M.insert (m, ("Basis", k), v)) M.empty
adamc@765 186
adamc@765 187 val jsFuncsBase = basisM [("alert", "alert"),
adam@1290 188 ("confirm", "confrm"),
adamc@765 189 ("get_client_source", "sg"),
adamc@841 190 ("current", "scur"),
adamc@765 191 ("htmlifyBool", "bs"),
adamc@765 192 ("htmlifyFloat", "ts"),
adamc@765 193 ("htmlifyInt", "ts"),
adamc@765 194 ("htmlifyString", "eh"),
adamc@765 195 ("new_client_source", "sc"),
adamc@765 196 ("set_client_source", "sv"),
adamc@838 197 ("stringToFloat", "pflo"),
adamc@838 198 ("stringToInt", "pio"),
adamc@765 199 ("stringToFloat_error", "pfl"),
adamc@765 200 ("stringToInt_error", "pi"),
adamc@765 201 ("urlifyInt", "ts"),
adamc@765 202 ("urlifyFloat", "ts"),
adam@1360 203 ("urlifyTime", "ts"),
adamc@765 204 ("urlifyString", "uf"),
adamc@912 205 ("urlifyBool", "ub"),
adamc@765 206 ("recv", "rv"),
adamc@765 207 ("strcat", "cat"),
adamc@765 208 ("intToString", "ts"),
adamc@765 209 ("floatToString", "ts"),
adamc@821 210 ("charToString", "ts"),
adamc@765 211 ("onError", "onError"),
adamc@765 212 ("onFail", "onFail"),
adamc@765 213 ("onConnectFail", "onConnectFail"),
adamc@765 214 ("onDisconnect", "onDisconnect"),
adamc@798 215 ("onServerError", "onServerError"),
adamc@1108 216 ("attrifyString", "atr"),
adamc@798 217 ("attrifyInt", "ts"),
adamc@798 218 ("attrifyFloat", "ts"),
adamc@820 219 ("attrifyBool", "bs"),
adamc@821 220 ("boolToString", "ts"),
adamc@1057 221 ("str1", "id"),
adamc@821 222 ("strsub", "sub"),
adamc@828 223 ("strsuffix", "suf"),
adamc@829 224 ("strlen", "slen"),
adamc@829 225 ("strindex", "sidx"),
adamc@829 226 ("strchr", "schr"),
adamc@831 227 ("substring", "ssub"),
adamc@895 228 ("strcspn", "sspn"),
adamc@1061 229 ("kc", "kc"),
adam@1404 230 ("minTime", "0"),
adamc@1061 231
adamc@1061 232 ("islower", "isLower"),
adamc@1061 233 ("isupper", "isUpper"),
adamc@1061 234 ("isalpha", "isAlpha"),
adamc@1061 235 ("isdigit", "isDigit"),
adamc@1061 236 ("isalnum", "isAlnum"),
adamc@1061 237 ("isblank", "isBlank"),
adamc@1061 238 ("isspace", "isSpace"),
adamc@1061 239 ("isxdigit", "isXdigit"),
adamc@1061 240 ("tolower", "toLower"),
adamc@1323 241 ("toupper", "toUpper"),
adamc@1323 242
adamc@1323 243 ("checkUrl", "checkUrl"),
adam@1366 244 ("bless", "bless"),
adam@1366 245
adam@1366 246 ("eq_time", "eq"),
adam@1366 247 ("lt_time", "lt"),
adam@1430 248 ("le_time", "le"),
adam@1430 249
adam@1430 250 ("debug", "alert"),
adam@1487 251 ("naughtyDebug", "alert"),
adam@1487 252
adam@1487 253 ("now", "now"),
adam@1487 254 ("timeToString", "showTime"),
adam@1514 255 ("htmlifyTime", "showTime"),
adam@1514 256 ("toSeconds", "toSeconds"),
adam@1518 257 ("addSeconds", "addSeconds"),
adam@1514 258 ("diffInSeconds", "diffInSeconds")]
adamc@765 259 val jsFuncs = ref jsFuncsBase
adamc@765 260 fun setJsFuncs ls = jsFuncs := foldl (fn ((k, v), m) => M.insert (m, k, v)) jsFuncsBase ls
adamc@765 261 fun jsFunc x = M.find (!jsFuncs, x)
adam@1433 262 fun allJsFuncs () = M.listItemsi (!jsFuncs)
adamc@765 263
adamc@768 264 datatype pattern_kind = Exact | Prefix
adamc@768 265 datatype action = Allow | Deny
adamc@768 266 type rule = { action : action, kind : pattern_kind, pattern : string }
adamc@768 267
adamc@768 268 datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
adamc@768 269 type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string }
adamc@768 270
adamc@768 271 val rewrites = ref ([] : rewrite list)
adamc@768 272
adamc@768 273 fun subsume (pk1, pk2) =
adamc@768 274 pk1 = pk2
adamc@768 275 orelse pk2 = Any
adamc@768 276 orelse pk2 = Relation andalso (pk1 = Table orelse pk1 = Sequence orelse pk1 = View)
adamc@768 277
adamc@768 278 fun setRewriteRules ls = rewrites := ls
adamc@768 279 fun rewrite pk s =
adamc@768 280 let
adamc@768 281 fun rew (ls : rewrite list) =
adamc@768 282 case ls of
adamc@768 283 [] => s
adamc@768 284 | rewr :: ls =>
adamc@768 285 let
adamc@768 286 fun match () =
adamc@768 287 case #kind rewr of
adamc@768 288 Exact => if #from rewr = s then
adamc@768 289 SOME (size s)
adamc@768 290 else
adamc@768 291 NONE
adamc@768 292 | Prefix => if String.isPrefix (#from rewr) s then
adamc@768 293 SOME (size (#from rewr))
adamc@768 294 else
adamc@768 295 NONE
adamc@768 296 in
adamc@768 297 if subsume (pk, #pkind rewr) then
adamc@768 298 case match () of
adamc@768 299 NONE => rew ls
adamc@768 300 | SOME suffixStart => #to rewr ^ String.extract (s, suffixStart, NONE)
adamc@768 301 else
adamc@768 302 rew ls
adamc@768 303 end
adamc@768 304 in
adamc@768 305 rew (!rewrites)
adamc@768 306 end
adamc@768 307
adamc@769 308 val url = ref ([] : rule list)
adamc@769 309 val mime = ref ([] : rule list)
adam@1465 310 val request = ref ([] : rule list)
adam@1465 311 val response = ref ([] : rule list)
adamc@769 312
adamc@769 313 fun setUrlRules ls = url := ls
adamc@769 314 fun setMimeRules ls = mime := ls
adam@1465 315 fun setRequestHeaderRules ls = request := ls
adam@1465 316 fun setResponseHeaderRules ls = response := ls
adamc@769 317
adamc@770 318 fun getUrlRules () = !url
adamc@770 319 fun getMimeRules () = !mime
adam@1465 320 fun getRequestHeaderRules () = !request
adam@1465 321 fun getResponseHeaderRules () = !response
adamc@770 322
adamc@769 323 fun check f rules s =
adamc@769 324 let
adamc@769 325 fun chk (ls : rule list) =
adamc@769 326 case ls of
adamc@769 327 [] => false
adamc@769 328 | rule :: ls =>
adamc@769 329 let
adamc@769 330 val matches =
adamc@769 331 case #kind rule of
adamc@769 332 Exact => #pattern rule = s
adamc@769 333 | Prefix => String.isPrefix (#pattern rule) s
adamc@769 334 in
adamc@769 335 if matches then
adamc@769 336 case #action rule of
adamc@769 337 Allow => true
adamc@769 338 | Deny => false
adamc@769 339 else
adamc@769 340 chk ls
adamc@769 341 end
adamc@769 342 in
adamc@769 343 f s andalso chk (!rules)
adamc@769 344 end
adamc@769 345
adamc@769 346 val checkUrl = check (fn _ => true) url
adam@1465 347
adam@1465 348 val validMime = CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"/" orelse ch = #"-" orelse ch = #".")
adam@1465 349
adam@1465 350 val checkMime = check validMime mime
adam@1465 351 val checkRequestHeader = check validMime request
adam@1465 352 val checkResponseHeader = check validMime response
adamc@769 353
adamc@855 354
adamc@855 355 type protocol = {
adamc@855 356 name : string,
adamc@1096 357 compile : string,
adamc@1095 358 linkStatic : string,
adamc@1095 359 linkDynamic : string,
adamc@1164 360 persistent : bool,
adamc@1164 361 code : unit -> Print.PD.pp_desc
adamc@855 362 }
adamc@855 363 val protocols = ref ([] : protocol list)
adamc@855 364 fun addProtocol p = protocols := p :: !protocols
adamc@855 365 fun getProtocol s = List.find (fn p => #name p = s) (!protocols)
adamc@855 366
adamc@855 367 fun clibFile s = OS.Path.joinDirFile {dir = Config.libC,
adamc@855 368 file = s}
adamc@855 369
adamc@865 370 val curProto = ref {name = "",
adamc@1096 371 compile = "",
adamc@1095 372 linkStatic = "",
adamc@1095 373 linkDynamic = "",
adamc@1164 374 persistent = false,
adamc@1164 375 code = fn () => Print.box []}
adamc@856 376 fun setProtocol name =
adamc@856 377 case getProtocol name of
adamc@856 378 NONE => raise Fail ("Unknown protocol " ^ name)
adamc@856 379 | SOME p => curProto := p
adamc@855 380 fun currentProtocol () = !curProto
adamc@855 381
adamc@857 382 val debug = ref false
adamc@857 383 fun setDebug b = debug := b
adamc@857 384 fun getDebug () = !debug
adamc@857 385
adamc@867 386 datatype sql_type =
adamc@867 387 Int
adamc@867 388 | Float
adamc@867 389 | String
adamc@1011 390 | Char
adamc@867 391 | Bool
adamc@867 392 | Time
adamc@867 393 | Blob
adamc@867 394 | Channel
adamc@867 395 | Client
adamc@867 396 | Nullable of sql_type
adamc@867 397
adamc@873 398 fun p_sql_ctype t =
adamc@867 399 let
adamc@867 400 open Print.PD
adamc@867 401 open Print
adamc@867 402 in
adamc@867 403 case t of
adamc@870 404 Int => "uw_Basis_int"
adamc@870 405 | Float => "uw_Basis_float"
adamc@870 406 | String => "uw_Basis_string"
adamc@1011 407 | Char => "uw_Basis_char"
adamc@870 408 | Bool => "uw_Basis_bool"
adamc@870 409 | Time => "uw_Basis_time"
adamc@870 410 | Blob => "uw_Basis_blob"
adamc@870 411 | Channel => "uw_Basis_channel"
adamc@870 412 | Client => "uw_Basis_client"
adamc@870 413 | Nullable String => "uw_Basis_string"
adamc@873 414 | Nullable t => p_sql_ctype t ^ "*"
adamc@867 415 end
adamc@867 416
adamc@867 417 fun isBlob Blob = true
adamc@867 418 | isBlob (Nullable t) = isBlob t
adamc@867 419 | isBlob _ = false
adamc@867 420
adamc@870 421 fun isNotNull (Nullable _) = false
adamc@870 422 | isNotNull _ = true
adamc@870 423
adam@1293 424 datatype failure_mode = Error | None
adam@1293 425
adamc@866 426 type dbms = {
adamc@866 427 name : string,
adamc@866 428 header : string,
adamc@866 429 link : string,
adamc@873 430 p_sql_type : sql_type -> string,
adamc@870 431 init : {dbstring : string,
adamc@870 432 prepared : (string * int) list,
adamc@870 433 tables : (string * (string * sql_type) list) list,
adamc@872 434 views : (string * (string * sql_type) list) list,
adamc@870 435 sequences : string list} -> Print.PD.pp_desc,
adamc@873 436 query : {loc : ErrorMsg.span, cols : sql_type list,
adamc@880 437 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
adamc@867 438 -> Print.PD.pp_desc}
adamc@867 439 -> Print.PD.pp_desc,
adamc@867 440 queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
adamc@873 441 inputs : sql_type list, cols : sql_type list,
adamc@880 442 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
adamc@880 443 typ : sql_type} -> Print.PD.pp_desc)
adamc@879 444 -> Print.PD.pp_desc,
adamc@879 445 nested : bool}
adamc@868 446 -> Print.PD.pp_desc,
adam@1293 447 dml : ErrorMsg.span * failure_mode -> Print.PD.pp_desc,
adamc@868 448 dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
adam@1293 449 inputs : sql_type list, mode : failure_mode} -> Print.PD.pp_desc,
adamc@878 450 nextval : {loc : ErrorMsg.span, seqName : string option, seqE : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 451 nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
adamc@1073 452 setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 453 sqlifyString : string -> string,
adamc@874 454 p_cast : string * sql_type -> string,
adamc@874 455 p_blank : int * sql_type -> string,
adamc@877 456 supportsDeleteAs : bool,
adamc@886 457 supportsUpdateAs : bool,
adamc@877 458 createSequence : string -> string,
adamc@878 459 textKeysNeedLengths : bool,
adamc@879 460 supportsNextval : bool,
adamc@882 461 supportsNestedPrepared : bool,
adamc@890 462 sqlPrefix : string,
adamc@1014 463 supportsOctetLength : bool,
adamc@1014 464 trueString : string,
adamc@1196 465 falseString : string,
adamc@1196 466 onlyUnion : bool,
adamc@1196 467 nestedRelops : bool
adamc@866 468 }
adamc@866 469
adamc@866 470 val dbmses = ref ([] : dbms list)
adamc@866 471 val curDb = ref ({name = "",
adamc@866 472 header = "",
adamc@866 473 link = "",
adamc@873 474 p_sql_type = fn _ => "",
adamc@867 475 init = fn _ => Print.box [],
adamc@867 476 query = fn _ => Print.box [],
adamc@868 477 queryPrepared = fn _ => Print.box [],
adamc@868 478 dml = fn _ => Print.box [],
adamc@869 479 dmlPrepared = fn _ => Print.box [],
adamc@869 480 nextval = fn _ => Print.box [],
adamc@874 481 nextvalPrepared = fn _ => Print.box [],
adamc@1073 482 setval = fn _ => Print.box [],
adamc@874 483 sqlifyString = fn s => s,
adamc@874 484 p_cast = fn _ => "",
adamc@874 485 p_blank = fn _ => "",
adamc@877 486 supportsDeleteAs = false,
adamc@886 487 supportsUpdateAs = false,
adamc@877 488 createSequence = fn _ => "",
adamc@878 489 textKeysNeedLengths = false,
adamc@879 490 supportsNextval = false,
adamc@882 491 supportsNestedPrepared = false,
adamc@890 492 sqlPrefix = "",
adamc@1014 493 supportsOctetLength = false,
adamc@1014 494 trueString = "",
adamc@1196 495 falseString = "",
adamc@1196 496 onlyUnion = false,
adamc@1196 497 nestedRelops = false} : dbms)
adamc@866 498
adamc@866 499 fun addDbms v = dbmses := v :: !dbmses
adamc@866 500 fun setDbms s =
adamc@866 501 case List.find (fn db => #name db = s) (!dbmses) of
adamc@866 502 NONE => raise Fail ("Unknown DBMS " ^ s)
adamc@866 503 | SOME db => curDb := db
adamc@866 504 fun currentDbms () = !curDb
adamc@866 505
adamc@891 506 val dbstring = ref (NONE : string option)
adamc@891 507 fun setDbstring so = dbstring := so
adamc@891 508 fun getDbstring () = !dbstring
adamc@891 509
adamc@891 510 val exe = ref (NONE : string option)
adamc@891 511 fun setExe so = exe := so
adamc@891 512 fun getExe () = !exe
adamc@891 513
adamc@891 514 val sql = ref (NONE : string option)
adamc@891 515 fun setSql so = sql := so
adamc@891 516 fun getSql () = !sql
adamc@891 517
adamc@1016 518 val coreInline = ref 20
adamc@1016 519 fun setCoreInline n = coreInline := n
adamc@1016 520 fun getCoreInline () = !coreInline
adamc@1016 521
adam@1351 522 val monoInline = ref 100
adamc@1016 523 fun setMonoInline n = monoInline := n
adamc@1016 524 fun getMonoInline () = !monoInline
adamc@1016 525
adamc@1095 526 val staticLinking = ref false
adamc@1095 527 fun setStaticLinking b = staticLinking := b
adamc@1095 528 fun getStaticLinking () = !staticLinking
adamc@1095 529
adamc@1114 530 val deadlines = ref false
adamc@1114 531 fun setDeadlines b = deadlines := b
adamc@1114 532 fun getDeadlines () = !deadlines
adamc@1114 533
adamc@1164 534 val sigFile = ref (NONE : string option)
adamc@1164 535 fun setSigFile v = sigFile := v
adamc@1164 536 fun getSigFile () = !sigFile
adamc@1164 537
adamc@1183 538 structure SS = BinarySetFn(struct
adamc@1183 539 type ord_key = string
adamc@1183 540 val compare = String.compare
adamc@1183 541 end)
adamc@1183 542
adamc@1183 543 val safeGet = ref SS.empty
adamc@1183 544 fun setSafeGets ls = safeGet := SS.addList (SS.empty, ls)
adamc@1183 545 fun isSafeGet x = SS.member (!safeGet, x)
adamc@1183 546
adam@1294 547 val onError = ref (NONE : (string * string list * string) option)
adam@1294 548 fun setOnError x = onError := x
adam@1294 549 fun getOnError () = !onError
adam@1294 550
adam@1307 551 val limits = ["messages", "clients", "headers", "page", "heap", "script",
adam@1307 552 "inputs", "subinputs", "cleanup", "deltas", "transactionals",
adam@1308 553 "globals", "database", "time"]
adam@1307 554
adam@1307 555 val limitsList = ref ([] : (string * int) list)
adam@1307 556 fun addLimit (v as (name, _)) =
adam@1307 557 if List.exists (fn name' => name' = name) limits then
adam@1308 558 (limitsList := v :: !limitsList;
adam@1308 559 if name = "time" then
adam@1308 560 setDeadlines true
adam@1308 561 else
adam@1308 562 ())
adam@1307 563 else
adam@1307 564 raise Fail ("Unknown limit category '" ^ name ^ "'")
adam@1307 565 fun limits () = !limitsList
adam@1307 566
adam@1332 567 val minHeap = ref 0
adam@1332 568 fun setMinHeap n = if n >= 0 then minHeap := n else raise Fail "Trying to set negative minHeap"
adam@1332 569 fun getMinHeap () = !minHeap
adam@1332 570
adam@1393 571 structure SS = BinarySetFn(struct
adam@1393 572 type ord_key = string
adam@1393 573 val compare = String.compare
adam@1393 574 end)
adam@1393 575
adam@1393 576 val alwaysInline = ref SS.empty
adam@1393 577 fun addAlwaysInline s = alwaysInline := SS.add (!alwaysInline, s)
adam@1393 578 fun checkAlwaysInline s = SS.member (!alwaysInline, s)
adam@1393 579
adam@1478 580 val noXsrfProtection = ref SS.empty
adam@1478 581 fun addNoXsrfProtection s = noXsrfProtection := SS.add (!noXsrfProtection, s)
adam@1478 582 fun checkNoXsrfProtection s = SS.member (!noXsrfProtection, s)
adam@1478 583
adamc@765 584 end