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annotate src/settings.sml @ 1595:154cfe2eb366

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Better error messages about server-side use of client-side functions
author Adam Chlipala <adam@chlipala.net>
date Mon, 14 Nov 2011 09:15:10 -0500
parents f403e129c276
children e283ca05c829
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@1555 150 "setHeader",
adam@1555 151 "spawn",
adam@1555 152 "onClick",
adam@1555 153 "onDblclick",
adam@1555 154 "onKeydown",
adam@1555 155 "onKeypress",
adam@1555 156 "onKeyup",
adam@1555 157 "onMousedown",
adam@1556 158 "onMouseup",
adam@1559 159 "preventDefault",
adam@1559 160 "stopPropagation",
adam@1556 161 "fresh"]
adamc@1171 162
adamc@1171 163 val benign = ref benignBase
adamc@1171 164 fun setBenignEffectful ls = benign := S.addList (benignBase, ls)
adamc@1171 165 fun isBenignEffectful x = S.member (!benign, x)
adamc@1171 166
adam@1595 167 val clientBase = basis ["get_client_source",
adamc@841 168 "current",
adamc@765 169 "alert",
adam@1290 170 "confirm",
adamc@765 171 "recv",
adamc@765 172 "sleep",
adamc@765 173 "spawn",
adamc@765 174 "onError",
adamc@765 175 "onFail",
adamc@765 176 "onConnectFail",
adamc@765 177 "onDisconnect",
adamc@895 178 "onServerError",
adam@1555 179 "kc",
adam@1555 180 "onClick",
adam@1555 181 "onDblclick",
adam@1555 182 "onKeydown",
adam@1555 183 "onKeypress",
adam@1555 184 "onKeyup",
adam@1555 185 "onMousedown",
adam@1559 186 "onMouseup",
adam@1559 187 "preventDefault",
adam@1559 188 "stopPropagation"]
adamc@765 189 val client = ref clientBase
adamc@765 190 fun setClientOnly ls = client := S.addList (clientBase, ls)
adamc@765 191 fun isClientOnly x = S.member (!client, x)
adamc@765 192
adamc@765 193 val serverBase = basis ["requestHeader",
adamc@765 194 "query",
adamc@765 195 "dml",
adamc@765 196 "nextval",
adamc@1073 197 "setval",
adamc@765 198 "channel",
adamc@765 199 "send"]
adamc@765 200 val server = ref serverBase
adamc@765 201 fun setServerOnly ls = server := S.addList (serverBase, ls)
adamc@765 202 fun isServerOnly x = S.member (!server, x)
adamc@765 203
adamc@765 204 val basisM = foldl (fn ((k, v : string), m) => M.insert (m, ("Basis", k), v)) M.empty
adamc@765 205
adamc@765 206 val jsFuncsBase = basisM [("alert", "alert"),
adam@1290 207 ("confirm", "confrm"),
adamc@765 208 ("get_client_source", "sg"),
adamc@841 209 ("current", "scur"),
adamc@765 210 ("htmlifyBool", "bs"),
adamc@765 211 ("htmlifyFloat", "ts"),
adamc@765 212 ("htmlifyInt", "ts"),
adamc@765 213 ("htmlifyString", "eh"),
adamc@765 214 ("new_client_source", "sc"),
adamc@765 215 ("set_client_source", "sv"),
adamc@838 216 ("stringToFloat", "pflo"),
adamc@838 217 ("stringToInt", "pio"),
adamc@765 218 ("stringToFloat_error", "pfl"),
adamc@765 219 ("stringToInt_error", "pi"),
adamc@765 220 ("urlifyInt", "ts"),
adamc@765 221 ("urlifyFloat", "ts"),
adam@1360 222 ("urlifyTime", "ts"),
adamc@765 223 ("urlifyString", "uf"),
adamc@912 224 ("urlifyBool", "ub"),
adamc@765 225 ("recv", "rv"),
adamc@765 226 ("strcat", "cat"),
adamc@765 227 ("intToString", "ts"),
adamc@765 228 ("floatToString", "ts"),
adamc@821 229 ("charToString", "ts"),
adamc@765 230 ("onError", "onError"),
adamc@765 231 ("onFail", "onFail"),
adamc@765 232 ("onConnectFail", "onConnectFail"),
adamc@765 233 ("onDisconnect", "onDisconnect"),
adamc@798 234 ("onServerError", "onServerError"),
adamc@1108 235 ("attrifyString", "atr"),
adamc@798 236 ("attrifyInt", "ts"),
adamc@798 237 ("attrifyFloat", "ts"),
adamc@820 238 ("attrifyBool", "bs"),
adamc@821 239 ("boolToString", "ts"),
adamc@1057 240 ("str1", "id"),
adamc@821 241 ("strsub", "sub"),
adamc@828 242 ("strsuffix", "suf"),
adamc@829 243 ("strlen", "slen"),
adamc@829 244 ("strindex", "sidx"),
adamc@829 245 ("strchr", "schr"),
adamc@831 246 ("substring", "ssub"),
adamc@895 247 ("strcspn", "sspn"),
adamc@1061 248 ("kc", "kc"),
adam@1404 249 ("minTime", "0"),
adamc@1061 250
adamc@1061 251 ("islower", "isLower"),
adamc@1061 252 ("isupper", "isUpper"),
adamc@1061 253 ("isalpha", "isAlpha"),
adamc@1061 254 ("isdigit", "isDigit"),
adamc@1061 255 ("isalnum", "isAlnum"),
adamc@1061 256 ("isblank", "isBlank"),
adamc@1061 257 ("isspace", "isSpace"),
adamc@1061 258 ("isxdigit", "isXdigit"),
adamc@1061 259 ("tolower", "toLower"),
adamc@1323 260 ("toupper", "toUpper"),
adamc@1323 261
adamc@1323 262 ("checkUrl", "checkUrl"),
adam@1366 263 ("bless", "bless"),
adam@1366 264
adam@1366 265 ("eq_time", "eq"),
adam@1366 266 ("lt_time", "lt"),
adam@1430 267 ("le_time", "le"),
adam@1430 268
adam@1430 269 ("debug", "alert"),
adam@1487 270 ("naughtyDebug", "alert"),
adam@1487 271
adam@1571 272 ("floatFromInt", "float"),
adam@1571 273 ("ceil", "ceil"),
adam@1571 274 ("trunc", "trunc"),
adam@1571 275 ("round", "round"),
adam@1571 276
adam@1487 277 ("now", "now"),
adam@1487 278 ("timeToString", "showTime"),
adam@1514 279 ("htmlifyTime", "showTime"),
adam@1514 280 ("toSeconds", "toSeconds"),
adam@1518 281 ("addSeconds", "addSeconds"),
adam@1555 282 ("diffInSeconds", "diffInSeconds"),
adam@1555 283
adam@1555 284 ("onClick", "uw_onClick"),
adam@1555 285 ("onDblclick", "uw_onDblclick"),
adam@1555 286 ("onKeydown", "uw_onKeydown"),
adam@1555 287 ("onKeypress", "uw_onKeypress"),
adam@1555 288 ("onKeyup", "uw_onKeyup"),
adam@1555 289 ("onMousedown", "uw_onMousedown"),
adam@1556 290 ("onMouseup", "uw_onMouseup"),
adam@1559 291 ("preventDefault", "uw_preventDefault"),
adam@1559 292 ("stopPropagation", "uw_stopPropagation"),
adam@1556 293
adam@1556 294 ("fresh", "fresh")]
adamc@765 295 val jsFuncs = ref jsFuncsBase
adamc@765 296 fun setJsFuncs ls = jsFuncs := foldl (fn ((k, v), m) => M.insert (m, k, v)) jsFuncsBase ls
adamc@765 297 fun jsFunc x = M.find (!jsFuncs, x)
adam@1433 298 fun allJsFuncs () = M.listItemsi (!jsFuncs)
adamc@765 299
adamc@768 300 datatype pattern_kind = Exact | Prefix
adamc@768 301 datatype action = Allow | Deny
adamc@768 302 type rule = { action : action, kind : pattern_kind, pattern : string }
adamc@768 303
adamc@768 304 datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
adamc@768 305 type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string }
adamc@768 306
adamc@768 307 val rewrites = ref ([] : rewrite list)
adamc@768 308
adamc@768 309 fun subsume (pk1, pk2) =
adamc@768 310 pk1 = pk2
adamc@768 311 orelse pk2 = Any
adamc@768 312 orelse pk2 = Relation andalso (pk1 = Table orelse pk1 = Sequence orelse pk1 = View)
adamc@768 313
adamc@768 314 fun setRewriteRules ls = rewrites := ls
adamc@768 315 fun rewrite pk s =
adamc@768 316 let
adamc@768 317 fun rew (ls : rewrite list) =
adamc@768 318 case ls of
adamc@768 319 [] => s
adamc@768 320 | rewr :: ls =>
adamc@768 321 let
adamc@768 322 fun match () =
adamc@768 323 case #kind rewr of
adamc@768 324 Exact => if #from rewr = s then
adamc@768 325 SOME (size s)
adamc@768 326 else
adamc@768 327 NONE
adamc@768 328 | Prefix => if String.isPrefix (#from rewr) s then
adamc@768 329 SOME (size (#from rewr))
adamc@768 330 else
adamc@768 331 NONE
adamc@768 332 in
adamc@768 333 if subsume (pk, #pkind rewr) then
adamc@768 334 case match () of
adamc@768 335 NONE => rew ls
adamc@768 336 | SOME suffixStart => #to rewr ^ String.extract (s, suffixStart, NONE)
adamc@768 337 else
adamc@768 338 rew ls
adamc@768 339 end
adamc@768 340 in
adamc@768 341 rew (!rewrites)
adamc@768 342 end
adamc@768 343
adamc@769 344 val url = ref ([] : rule list)
adamc@769 345 val mime = ref ([] : rule list)
adam@1465 346 val request = ref ([] : rule list)
adam@1465 347 val response = ref ([] : rule list)
adamc@769 348
adamc@769 349 fun setUrlRules ls = url := ls
adamc@769 350 fun setMimeRules ls = mime := ls
adam@1465 351 fun setRequestHeaderRules ls = request := ls
adam@1465 352 fun setResponseHeaderRules ls = response := ls
adamc@769 353
adamc@770 354 fun getUrlRules () = !url
adamc@770 355 fun getMimeRules () = !mime
adam@1465 356 fun getRequestHeaderRules () = !request
adam@1465 357 fun getResponseHeaderRules () = !response
adamc@770 358
adamc@769 359 fun check f rules s =
adamc@769 360 let
adamc@769 361 fun chk (ls : rule list) =
adamc@769 362 case ls of
adamc@769 363 [] => false
adamc@769 364 | rule :: ls =>
adamc@769 365 let
adamc@769 366 val matches =
adamc@769 367 case #kind rule of
adamc@769 368 Exact => #pattern rule = s
adamc@769 369 | Prefix => String.isPrefix (#pattern rule) s
adamc@769 370 in
adamc@769 371 if matches then
adamc@769 372 case #action rule of
adamc@769 373 Allow => true
adamc@769 374 | Deny => false
adamc@769 375 else
adamc@769 376 chk ls
adamc@769 377 end
adamc@769 378 in
adamc@769 379 f s andalso chk (!rules)
adamc@769 380 end
adamc@769 381
adamc@769 382 val checkUrl = check (fn _ => true) url
adam@1465 383
adam@1465 384 val validMime = CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"/" orelse ch = #"-" orelse ch = #".")
adam@1465 385
adam@1465 386 val checkMime = check validMime mime
adam@1465 387 val checkRequestHeader = check validMime request
adam@1465 388 val checkResponseHeader = check validMime response
adamc@769 389
adamc@855 390
adamc@855 391 type protocol = {
adamc@855 392 name : string,
adamc@1096 393 compile : string,
adamc@1095 394 linkStatic : string,
adamc@1095 395 linkDynamic : string,
adamc@1164 396 persistent : bool,
adamc@1164 397 code : unit -> Print.PD.pp_desc
adamc@855 398 }
adamc@855 399 val protocols = ref ([] : protocol list)
adamc@855 400 fun addProtocol p = protocols := p :: !protocols
adamc@855 401 fun getProtocol s = List.find (fn p => #name p = s) (!protocols)
adamc@855 402
adamc@855 403 fun clibFile s = OS.Path.joinDirFile {dir = Config.libC,
adamc@855 404 file = s}
adamc@855 405
adamc@865 406 val curProto = ref {name = "",
adamc@1096 407 compile = "",
adamc@1095 408 linkStatic = "",
adamc@1095 409 linkDynamic = "",
adamc@1164 410 persistent = false,
adamc@1164 411 code = fn () => Print.box []}
adamc@856 412 fun setProtocol name =
adamc@856 413 case getProtocol name of
adamc@856 414 NONE => raise Fail ("Unknown protocol " ^ name)
adamc@856 415 | SOME p => curProto := p
adamc@855 416 fun currentProtocol () = !curProto
adamc@855 417
adamc@857 418 val debug = ref false
adamc@857 419 fun setDebug b = debug := b
adamc@857 420 fun getDebug () = !debug
adamc@857 421
adamc@867 422 datatype sql_type =
adamc@867 423 Int
adamc@867 424 | Float
adamc@867 425 | String
adamc@1011 426 | Char
adamc@867 427 | Bool
adamc@867 428 | Time
adamc@867 429 | Blob
adamc@867 430 | Channel
adamc@867 431 | Client
adamc@867 432 | Nullable of sql_type
adamc@867 433
adamc@873 434 fun p_sql_ctype t =
adamc@867 435 let
adamc@867 436 open Print.PD
adamc@867 437 open Print
adamc@867 438 in
adamc@867 439 case t of
adamc@870 440 Int => "uw_Basis_int"
adamc@870 441 | Float => "uw_Basis_float"
adamc@870 442 | String => "uw_Basis_string"
adamc@1011 443 | Char => "uw_Basis_char"
adamc@870 444 | Bool => "uw_Basis_bool"
adamc@870 445 | Time => "uw_Basis_time"
adamc@870 446 | Blob => "uw_Basis_blob"
adamc@870 447 | Channel => "uw_Basis_channel"
adamc@870 448 | Client => "uw_Basis_client"
adamc@870 449 | Nullable String => "uw_Basis_string"
adamc@873 450 | Nullable t => p_sql_ctype t ^ "*"
adamc@867 451 end
adamc@867 452
adamc@867 453 fun isBlob Blob = true
adamc@867 454 | isBlob (Nullable t) = isBlob t
adamc@867 455 | isBlob _ = false
adamc@867 456
adamc@870 457 fun isNotNull (Nullable _) = false
adamc@870 458 | isNotNull _ = true
adamc@870 459
adam@1293 460 datatype failure_mode = Error | None
adam@1293 461
adamc@866 462 type dbms = {
adamc@866 463 name : string,
adamc@866 464 header : string,
adamc@866 465 link : string,
adamc@873 466 p_sql_type : sql_type -> string,
adamc@870 467 init : {dbstring : string,
adamc@870 468 prepared : (string * int) list,
adamc@870 469 tables : (string * (string * sql_type) list) list,
adamc@872 470 views : (string * (string * sql_type) list) list,
adamc@870 471 sequences : string list} -> Print.PD.pp_desc,
adamc@873 472 query : {loc : ErrorMsg.span, cols : sql_type list,
adamc@880 473 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
adamc@867 474 -> Print.PD.pp_desc}
adamc@867 475 -> Print.PD.pp_desc,
adamc@867 476 queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
adamc@873 477 inputs : sql_type list, cols : sql_type list,
adamc@880 478 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
adamc@880 479 typ : sql_type} -> Print.PD.pp_desc)
adamc@879 480 -> Print.PD.pp_desc,
adamc@879 481 nested : bool}
adamc@868 482 -> Print.PD.pp_desc,
adam@1293 483 dml : ErrorMsg.span * failure_mode -> Print.PD.pp_desc,
adamc@868 484 dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
adam@1293 485 inputs : sql_type list, mode : failure_mode} -> Print.PD.pp_desc,
adamc@878 486 nextval : {loc : ErrorMsg.span, seqName : string option, seqE : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 487 nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
adamc@1073 488 setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 489 sqlifyString : string -> string,
adamc@874 490 p_cast : string * sql_type -> string,
adamc@874 491 p_blank : int * sql_type -> string,
adamc@877 492 supportsDeleteAs : bool,
adamc@886 493 supportsUpdateAs : bool,
adamc@877 494 createSequence : string -> string,
adamc@878 495 textKeysNeedLengths : bool,
adamc@879 496 supportsNextval : bool,
adamc@882 497 supportsNestedPrepared : bool,
adamc@890 498 sqlPrefix : string,
adamc@1014 499 supportsOctetLength : bool,
adamc@1014 500 trueString : string,
adamc@1196 501 falseString : string,
adamc@1196 502 onlyUnion : bool,
adamc@1196 503 nestedRelops : bool
adamc@866 504 }
adamc@866 505
adamc@866 506 val dbmses = ref ([] : dbms list)
adamc@866 507 val curDb = ref ({name = "",
adamc@866 508 header = "",
adamc@866 509 link = "",
adamc@873 510 p_sql_type = fn _ => "",
adamc@867 511 init = fn _ => Print.box [],
adamc@867 512 query = fn _ => Print.box [],
adamc@868 513 queryPrepared = fn _ => Print.box [],
adamc@868 514 dml = fn _ => Print.box [],
adamc@869 515 dmlPrepared = fn _ => Print.box [],
adamc@869 516 nextval = fn _ => Print.box [],
adamc@874 517 nextvalPrepared = fn _ => Print.box [],
adamc@1073 518 setval = fn _ => Print.box [],
adamc@874 519 sqlifyString = fn s => s,
adamc@874 520 p_cast = fn _ => "",
adamc@874 521 p_blank = fn _ => "",
adamc@877 522 supportsDeleteAs = false,
adamc@886 523 supportsUpdateAs = false,
adamc@877 524 createSequence = fn _ => "",
adamc@878 525 textKeysNeedLengths = false,
adamc@879 526 supportsNextval = false,
adamc@882 527 supportsNestedPrepared = false,
adamc@890 528 sqlPrefix = "",
adamc@1014 529 supportsOctetLength = false,
adamc@1014 530 trueString = "",
adamc@1196 531 falseString = "",
adamc@1196 532 onlyUnion = false,
adamc@1196 533 nestedRelops = false} : dbms)
adamc@866 534
adamc@866 535 fun addDbms v = dbmses := v :: !dbmses
adamc@866 536 fun setDbms s =
adamc@866 537 case List.find (fn db => #name db = s) (!dbmses) of
adamc@866 538 NONE => raise Fail ("Unknown DBMS " ^ s)
adamc@866 539 | SOME db => curDb := db
adamc@866 540 fun currentDbms () = !curDb
adamc@866 541
adamc@891 542 val dbstring = ref (NONE : string option)
adamc@891 543 fun setDbstring so = dbstring := so
adamc@891 544 fun getDbstring () = !dbstring
adamc@891 545
adamc@891 546 val exe = ref (NONE : string option)
adamc@891 547 fun setExe so = exe := so
adamc@891 548 fun getExe () = !exe
adamc@891 549
adamc@891 550 val sql = ref (NONE : string option)
adamc@891 551 fun setSql so = sql := so
adamc@891 552 fun getSql () = !sql
adamc@891 553
adamc@1016 554 val coreInline = ref 20
adamc@1016 555 fun setCoreInline n = coreInline := n
adamc@1016 556 fun getCoreInline () = !coreInline
adamc@1016 557
adam@1351 558 val monoInline = ref 100
adamc@1016 559 fun setMonoInline n = monoInline := n
adamc@1016 560 fun getMonoInline () = !monoInline
adamc@1016 561
adamc@1095 562 val staticLinking = ref false
adamc@1095 563 fun setStaticLinking b = staticLinking := b
adamc@1095 564 fun getStaticLinking () = !staticLinking
adamc@1095 565
adamc@1114 566 val deadlines = ref false
adamc@1114 567 fun setDeadlines b = deadlines := b
adamc@1114 568 fun getDeadlines () = !deadlines
adamc@1114 569
adamc@1164 570 val sigFile = ref (NONE : string option)
adamc@1164 571 fun setSigFile v = sigFile := v
adamc@1164 572 fun getSigFile () = !sigFile
adamc@1164 573
adamc@1183 574 structure SS = BinarySetFn(struct
adamc@1183 575 type ord_key = string
adamc@1183 576 val compare = String.compare
adamc@1183 577 end)
adamc@1183 578
adamc@1183 579 val safeGet = ref SS.empty
adamc@1183 580 fun setSafeGets ls = safeGet := SS.addList (SS.empty, ls)
adamc@1183 581 fun isSafeGet x = SS.member (!safeGet, x)
adamc@1183 582
adam@1294 583 val onError = ref (NONE : (string * string list * string) option)
adam@1294 584 fun setOnError x = onError := x
adam@1294 585 fun getOnError () = !onError
adam@1294 586
adam@1307 587 val limits = ["messages", "clients", "headers", "page", "heap", "script",
adam@1307 588 "inputs", "subinputs", "cleanup", "deltas", "transactionals",
adam@1308 589 "globals", "database", "time"]
adam@1307 590
adam@1307 591 val limitsList = ref ([] : (string * int) list)
adam@1307 592 fun addLimit (v as (name, _)) =
adam@1307 593 if List.exists (fn name' => name' = name) limits then
adam@1308 594 (limitsList := v :: !limitsList;
adam@1308 595 if name = "time" then
adam@1308 596 setDeadlines true
adam@1308 597 else
adam@1308 598 ())
adam@1307 599 else
adam@1307 600 raise Fail ("Unknown limit category '" ^ name ^ "'")
adam@1307 601 fun limits () = !limitsList
adam@1307 602
adam@1332 603 val minHeap = ref 0
adam@1332 604 fun setMinHeap n = if n >= 0 then minHeap := n else raise Fail "Trying to set negative minHeap"
adam@1332 605 fun getMinHeap () = !minHeap
adam@1332 606
adam@1393 607 structure SS = BinarySetFn(struct
adam@1393 608 type ord_key = string
adam@1393 609 val compare = String.compare
adam@1393 610 end)
adam@1393 611
adam@1393 612 val alwaysInline = ref SS.empty
adam@1393 613 fun addAlwaysInline s = alwaysInline := SS.add (!alwaysInline, s)
adam@1393 614 fun checkAlwaysInline s = SS.member (!alwaysInline, s)
adam@1393 615
adam@1478 616 val noXsrfProtection = ref SS.empty
adam@1478 617 fun addNoXsrfProtection s = noXsrfProtection := SS.add (!noXsrfProtection, s)
adam@1478 618 fun checkNoXsrfProtection s = SS.member (!noXsrfProtection, s)
adam@1478 619
adamc@765 620 end