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annotate src/settings.sml @ 1600:8128fcb2d4a4

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Fix catalog querying about empty tables
author Adam Chlipala <adam@chlipala.net>
date Fri, 18 Nov 2011 17:44:12 -0500
parents 252e05bf199d
children c6cc104a47ac
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
rmbruijn@1597 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)
rmbruijn@1597 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@1599 207 ("stringToTime", "stringToTime"),
adam@1599 208 ("stringToTime_error", "stringToTime_error"),
adam@1290 209 ("confirm", "confrm"),
adamc@765 210 ("get_client_source", "sg"),
adamc@841 211 ("current", "scur"),
adamc@765 212 ("htmlifyBool", "bs"),
adamc@765 213 ("htmlifyFloat", "ts"),
adamc@765 214 ("htmlifyInt", "ts"),
adamc@765 215 ("htmlifyString", "eh"),
adamc@765 216 ("new_client_source", "sc"),
adamc@765 217 ("set_client_source", "sv"),
adamc@838 218 ("stringToFloat", "pflo"),
adamc@838 219 ("stringToInt", "pio"),
adamc@765 220 ("stringToFloat_error", "pfl"),
adamc@765 221 ("stringToInt_error", "pi"),
adamc@765 222 ("urlifyInt", "ts"),
adamc@765 223 ("urlifyFloat", "ts"),
adam@1360 224 ("urlifyTime", "ts"),
adamc@765 225 ("urlifyString", "uf"),
adamc@912 226 ("urlifyBool", "ub"),
adamc@765 227 ("recv", "rv"),
adamc@765 228 ("strcat", "cat"),
adamc@765 229 ("intToString", "ts"),
adamc@765 230 ("floatToString", "ts"),
adamc@821 231 ("charToString", "ts"),
adamc@765 232 ("onError", "onError"),
adamc@765 233 ("onFail", "onFail"),
adamc@765 234 ("onConnectFail", "onConnectFail"),
adamc@765 235 ("onDisconnect", "onDisconnect"),
adamc@798 236 ("onServerError", "onServerError"),
adamc@1108 237 ("attrifyString", "atr"),
adamc@798 238 ("attrifyInt", "ts"),
adamc@798 239 ("attrifyFloat", "ts"),
adamc@820 240 ("attrifyBool", "bs"),
adamc@821 241 ("boolToString", "ts"),
adamc@1057 242 ("str1", "id"),
adamc@821 243 ("strsub", "sub"),
adamc@828 244 ("strsuffix", "suf"),
adamc@829 245 ("strlen", "slen"),
adamc@829 246 ("strindex", "sidx"),
adamc@829 247 ("strchr", "schr"),
adamc@831 248 ("substring", "ssub"),
adamc@895 249 ("strcspn", "sspn"),
adamc@1061 250 ("kc", "kc"),
adam@1404 251 ("minTime", "0"),
adamc@1061 252
adamc@1061 253 ("islower", "isLower"),
adamc@1061 254 ("isupper", "isUpper"),
adamc@1061 255 ("isalpha", "isAlpha"),
adamc@1061 256 ("isdigit", "isDigit"),
adamc@1061 257 ("isalnum", "isAlnum"),
adamc@1061 258 ("isblank", "isBlank"),
adamc@1061 259 ("isspace", "isSpace"),
adamc@1061 260 ("isxdigit", "isXdigit"),
adamc@1061 261 ("tolower", "toLower"),
adamc@1323 262 ("toupper", "toUpper"),
adamc@1323 263
adamc@1323 264 ("checkUrl", "checkUrl"),
adam@1366 265 ("bless", "bless"),
adam@1366 266
adam@1366 267 ("eq_time", "eq"),
adam@1366 268 ("lt_time", "lt"),
adam@1430 269 ("le_time", "le"),
adam@1430 270
adam@1430 271 ("debug", "alert"),
adam@1487 272 ("naughtyDebug", "alert"),
adam@1487 273
adam@1571 274 ("floatFromInt", "float"),
adam@1571 275 ("ceil", "ceil"),
adam@1571 276 ("trunc", "trunc"),
adam@1571 277 ("round", "round"),
adam@1571 278
adam@1487 279 ("now", "now"),
adam@1487 280 ("timeToString", "showTime"),
adam@1514 281 ("htmlifyTime", "showTime"),
adam@1514 282 ("toSeconds", "toSeconds"),
adam@1518 283 ("addSeconds", "addSeconds"),
adam@1555 284 ("diffInSeconds", "diffInSeconds"),
adam@1555 285
adam@1555 286 ("onClick", "uw_onClick"),
adam@1555 287 ("onDblclick", "uw_onDblclick"),
adam@1555 288 ("onKeydown", "uw_onKeydown"),
adam@1555 289 ("onKeypress", "uw_onKeypress"),
adam@1555 290 ("onKeyup", "uw_onKeyup"),
adam@1555 291 ("onMousedown", "uw_onMousedown"),
adam@1556 292 ("onMouseup", "uw_onMouseup"),
adam@1559 293 ("preventDefault", "uw_preventDefault"),
adam@1559 294 ("stopPropagation", "uw_stopPropagation"),
adam@1556 295
adam@1556 296 ("fresh", "fresh")]
adamc@765 297 val jsFuncs = ref jsFuncsBase
adamc@765 298 fun setJsFuncs ls = jsFuncs := foldl (fn ((k, v), m) => M.insert (m, k, v)) jsFuncsBase ls
adamc@765 299 fun jsFunc x = M.find (!jsFuncs, x)
adam@1433 300 fun allJsFuncs () = M.listItemsi (!jsFuncs)
adamc@765 301
adamc@768 302 datatype pattern_kind = Exact | Prefix
adamc@768 303 datatype action = Allow | Deny
adamc@768 304 type rule = { action : action, kind : pattern_kind, pattern : string }
adamc@768 305
adamc@768 306 datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
adamc@768 307 type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string }
adamc@768 308
adamc@768 309 val rewrites = ref ([] : rewrite list)
adamc@768 310
adamc@768 311 fun subsume (pk1, pk2) =
adamc@768 312 pk1 = pk2
adamc@768 313 orelse pk2 = Any
adamc@768 314 orelse pk2 = Relation andalso (pk1 = Table orelse pk1 = Sequence orelse pk1 = View)
adamc@768 315
adamc@768 316 fun setRewriteRules ls = rewrites := ls
adamc@768 317 fun rewrite pk s =
adamc@768 318 let
adamc@768 319 fun rew (ls : rewrite list) =
adamc@768 320 case ls of
adamc@768 321 [] => s
adamc@768 322 | rewr :: ls =>
adamc@768 323 let
adamc@768 324 fun match () =
adamc@768 325 case #kind rewr of
adamc@768 326 Exact => if #from rewr = s then
adamc@768 327 SOME (size s)
adamc@768 328 else
adamc@768 329 NONE
adamc@768 330 | Prefix => if String.isPrefix (#from rewr) s then
adamc@768 331 SOME (size (#from rewr))
adamc@768 332 else
adamc@768 333 NONE
adamc@768 334 in
adamc@768 335 if subsume (pk, #pkind rewr) then
adamc@768 336 case match () of
adamc@768 337 NONE => rew ls
adamc@768 338 | SOME suffixStart => #to rewr ^ String.extract (s, suffixStart, NONE)
adamc@768 339 else
adamc@768 340 rew ls
adamc@768 341 end
adamc@768 342 in
adamc@768 343 rew (!rewrites)
adamc@768 344 end
adamc@768 345
adamc@769 346 val url = ref ([] : rule list)
adamc@769 347 val mime = ref ([] : rule list)
adam@1465 348 val request = ref ([] : rule list)
adam@1465 349 val response = ref ([] : rule list)
adamc@769 350
adamc@769 351 fun setUrlRules ls = url := ls
adamc@769 352 fun setMimeRules ls = mime := ls
adam@1465 353 fun setRequestHeaderRules ls = request := ls
adam@1465 354 fun setResponseHeaderRules ls = response := ls
adamc@769 355
adamc@770 356 fun getUrlRules () = !url
adamc@770 357 fun getMimeRules () = !mime
adam@1465 358 fun getRequestHeaderRules () = !request
adam@1465 359 fun getResponseHeaderRules () = !response
adamc@770 360
adamc@769 361 fun check f rules s =
adamc@769 362 let
adamc@769 363 fun chk (ls : rule list) =
adamc@769 364 case ls of
adamc@769 365 [] => false
adamc@769 366 | rule :: ls =>
adamc@769 367 let
adamc@769 368 val matches =
adamc@769 369 case #kind rule of
adamc@769 370 Exact => #pattern rule = s
adamc@769 371 | Prefix => String.isPrefix (#pattern rule) s
adamc@769 372 in
adamc@769 373 if matches then
adamc@769 374 case #action rule of
adamc@769 375 Allow => true
adamc@769 376 | Deny => false
adamc@769 377 else
adamc@769 378 chk ls
adamc@769 379 end
adamc@769 380 in
adamc@769 381 f s andalso chk (!rules)
adamc@769 382 end
adamc@769 383
adamc@769 384 val checkUrl = check (fn _ => true) url
adam@1465 385
adam@1465 386 val validMime = CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"/" orelse ch = #"-" orelse ch = #".")
adam@1465 387
adam@1465 388 val checkMime = check validMime mime
adam@1465 389 val checkRequestHeader = check validMime request
adam@1465 390 val checkResponseHeader = check validMime response
adamc@769 391
adamc@855 392
adamc@855 393 type protocol = {
adamc@855 394 name : string,
adamc@1096 395 compile : string,
adamc@1095 396 linkStatic : string,
adamc@1095 397 linkDynamic : string,
adamc@1164 398 persistent : bool,
adamc@1164 399 code : unit -> Print.PD.pp_desc
adamc@855 400 }
adamc@855 401 val protocols = ref ([] : protocol list)
adamc@855 402 fun addProtocol p = protocols := p :: !protocols
adamc@855 403 fun getProtocol s = List.find (fn p => #name p = s) (!protocols)
adamc@855 404
adamc@855 405 fun clibFile s = OS.Path.joinDirFile {dir = Config.libC,
adamc@855 406 file = s}
adamc@855 407
adamc@865 408 val curProto = ref {name = "",
adamc@1096 409 compile = "",
adamc@1095 410 linkStatic = "",
adamc@1095 411 linkDynamic = "",
adamc@1164 412 persistent = false,
adamc@1164 413 code = fn () => Print.box []}
adamc@856 414 fun setProtocol name =
adamc@856 415 case getProtocol name of
adamc@856 416 NONE => raise Fail ("Unknown protocol " ^ name)
adamc@856 417 | SOME p => curProto := p
adamc@855 418 fun currentProtocol () = !curProto
adamc@855 419
adamc@857 420 val debug = ref false
adamc@857 421 fun setDebug b = debug := b
adamc@857 422 fun getDebug () = !debug
adamc@857 423
adamc@867 424 datatype sql_type =
adamc@867 425 Int
adamc@867 426 | Float
adamc@867 427 | String
adamc@1011 428 | Char
adamc@867 429 | Bool
adamc@867 430 | Time
adamc@867 431 | Blob
adamc@867 432 | Channel
adamc@867 433 | Client
adamc@867 434 | Nullable of sql_type
adamc@867 435
adamc@873 436 fun p_sql_ctype t =
adamc@867 437 let
adamc@867 438 open Print.PD
adamc@867 439 open Print
adamc@867 440 in
adamc@867 441 case t of
adamc@870 442 Int => "uw_Basis_int"
adamc@870 443 | Float => "uw_Basis_float"
adamc@870 444 | String => "uw_Basis_string"
adamc@1011 445 | Char => "uw_Basis_char"
adamc@870 446 | Bool => "uw_Basis_bool"
adamc@870 447 | Time => "uw_Basis_time"
adamc@870 448 | Blob => "uw_Basis_blob"
adamc@870 449 | Channel => "uw_Basis_channel"
adamc@870 450 | Client => "uw_Basis_client"
adamc@870 451 | Nullable String => "uw_Basis_string"
adamc@873 452 | Nullable t => p_sql_ctype t ^ "*"
adamc@867 453 end
adamc@867 454
adamc@867 455 fun isBlob Blob = true
adamc@867 456 | isBlob (Nullable t) = isBlob t
adamc@867 457 | isBlob _ = false
adamc@867 458
adamc@870 459 fun isNotNull (Nullable _) = false
adamc@870 460 | isNotNull _ = true
adamc@870 461
adam@1293 462 datatype failure_mode = Error | None
adam@1293 463
adamc@866 464 type dbms = {
adamc@866 465 name : string,
adamc@866 466 header : string,
adamc@866 467 link : string,
adamc@873 468 p_sql_type : sql_type -> string,
adamc@870 469 init : {dbstring : string,
adamc@870 470 prepared : (string * int) list,
adamc@870 471 tables : (string * (string * sql_type) list) list,
adamc@872 472 views : (string * (string * sql_type) list) list,
adamc@870 473 sequences : string list} -> Print.PD.pp_desc,
adamc@873 474 query : {loc : ErrorMsg.span, cols : sql_type list,
adamc@880 475 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
adamc@867 476 -> Print.PD.pp_desc}
adamc@867 477 -> Print.PD.pp_desc,
adamc@867 478 queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
adamc@873 479 inputs : sql_type list, cols : sql_type list,
adamc@880 480 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
adamc@880 481 typ : sql_type} -> Print.PD.pp_desc)
adamc@879 482 -> Print.PD.pp_desc,
adamc@879 483 nested : bool}
adamc@868 484 -> Print.PD.pp_desc,
adam@1293 485 dml : ErrorMsg.span * failure_mode -> Print.PD.pp_desc,
adamc@868 486 dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
adam@1293 487 inputs : sql_type list, mode : failure_mode} -> Print.PD.pp_desc,
adamc@878 488 nextval : {loc : ErrorMsg.span, seqName : string option, seqE : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 489 nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
adamc@1073 490 setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 491 sqlifyString : string -> string,
adamc@874 492 p_cast : string * sql_type -> string,
adamc@874 493 p_blank : int * sql_type -> string,
adamc@877 494 supportsDeleteAs : bool,
adamc@886 495 supportsUpdateAs : bool,
adamc@877 496 createSequence : string -> string,
adamc@878 497 textKeysNeedLengths : bool,
adamc@879 498 supportsNextval : bool,
adamc@882 499 supportsNestedPrepared : bool,
adamc@890 500 sqlPrefix : string,
adamc@1014 501 supportsOctetLength : bool,
adamc@1014 502 trueString : string,
adamc@1196 503 falseString : string,
adamc@1196 504 onlyUnion : bool,
adamc@1196 505 nestedRelops : bool
adamc@866 506 }
adamc@866 507
adamc@866 508 val dbmses = ref ([] : dbms list)
adamc@866 509 val curDb = ref ({name = "",
adamc@866 510 header = "",
adamc@866 511 link = "",
adamc@873 512 p_sql_type = fn _ => "",
adamc@867 513 init = fn _ => Print.box [],
adamc@867 514 query = fn _ => Print.box [],
adamc@868 515 queryPrepared = fn _ => Print.box [],
adamc@868 516 dml = fn _ => Print.box [],
adamc@869 517 dmlPrepared = fn _ => Print.box [],
adamc@869 518 nextval = fn _ => Print.box [],
adamc@874 519 nextvalPrepared = fn _ => Print.box [],
adamc@1073 520 setval = fn _ => Print.box [],
adamc@874 521 sqlifyString = fn s => s,
adamc@874 522 p_cast = fn _ => "",
adamc@874 523 p_blank = fn _ => "",
adamc@877 524 supportsDeleteAs = false,
adamc@886 525 supportsUpdateAs = false,
adamc@877 526 createSequence = fn _ => "",
adamc@878 527 textKeysNeedLengths = false,
adamc@879 528 supportsNextval = false,
adamc@882 529 supportsNestedPrepared = false,
adamc@890 530 sqlPrefix = "",
adamc@1014 531 supportsOctetLength = false,
adamc@1014 532 trueString = "",
adamc@1196 533 falseString = "",
adamc@1196 534 onlyUnion = false,
adamc@1196 535 nestedRelops = false} : dbms)
adamc@866 536
adamc@866 537 fun addDbms v = dbmses := v :: !dbmses
adamc@866 538 fun setDbms s =
adamc@866 539 case List.find (fn db => #name db = s) (!dbmses) of
adamc@866 540 NONE => raise Fail ("Unknown DBMS " ^ s)
adamc@866 541 | SOME db => curDb := db
adamc@866 542 fun currentDbms () = !curDb
adamc@866 543
adamc@891 544 val dbstring = ref (NONE : string option)
adamc@891 545 fun setDbstring so = dbstring := so
adamc@891 546 fun getDbstring () = !dbstring
adamc@891 547
adamc@891 548 val exe = ref (NONE : string option)
adamc@891 549 fun setExe so = exe := so
adamc@891 550 fun getExe () = !exe
adamc@891 551
adamc@891 552 val sql = ref (NONE : string option)
adamc@891 553 fun setSql so = sql := so
adamc@891 554 fun getSql () = !sql
adamc@891 555
adamc@1016 556 val coreInline = ref 20
adamc@1016 557 fun setCoreInline n = coreInline := n
adamc@1016 558 fun getCoreInline () = !coreInline
adamc@1016 559
adam@1351 560 val monoInline = ref 100
adamc@1016 561 fun setMonoInline n = monoInline := n
adamc@1016 562 fun getMonoInline () = !monoInline
adamc@1016 563
adamc@1095 564 val staticLinking = ref false
adamc@1095 565 fun setStaticLinking b = staticLinking := b
adamc@1095 566 fun getStaticLinking () = !staticLinking
adamc@1095 567
adamc@1114 568 val deadlines = ref false
adamc@1114 569 fun setDeadlines b = deadlines := b
adamc@1114 570 fun getDeadlines () = !deadlines
adamc@1114 571
adamc@1164 572 val sigFile = ref (NONE : string option)
adamc@1164 573 fun setSigFile v = sigFile := v
adamc@1164 574 fun getSigFile () = !sigFile
adamc@1164 575
adamc@1183 576 structure SS = BinarySetFn(struct
adamc@1183 577 type ord_key = string
adamc@1183 578 val compare = String.compare
adamc@1183 579 end)
adamc@1183 580
adamc@1183 581 val safeGet = ref SS.empty
adamc@1183 582 fun setSafeGets ls = safeGet := SS.addList (SS.empty, ls)
adamc@1183 583 fun isSafeGet x = SS.member (!safeGet, x)
adamc@1183 584
adam@1294 585 val onError = ref (NONE : (string * string list * string) option)
adam@1294 586 fun setOnError x = onError := x
adam@1294 587 fun getOnError () = !onError
adam@1294 588
adam@1307 589 val limits = ["messages", "clients", "headers", "page", "heap", "script",
adam@1307 590 "inputs", "subinputs", "cleanup", "deltas", "transactionals",
adam@1308 591 "globals", "database", "time"]
adam@1307 592
adam@1307 593 val limitsList = ref ([] : (string * int) list)
adam@1307 594 fun addLimit (v as (name, _)) =
adam@1307 595 if List.exists (fn name' => name' = name) limits then
adam@1308 596 (limitsList := v :: !limitsList;
adam@1308 597 if name = "time" then
adam@1308 598 setDeadlines true
adam@1308 599 else
adam@1308 600 ())
adam@1307 601 else
adam@1307 602 raise Fail ("Unknown limit category '" ^ name ^ "'")
adam@1307 603 fun limits () = !limitsList
adam@1307 604
adam@1332 605 val minHeap = ref 0
adam@1332 606 fun setMinHeap n = if n >= 0 then minHeap := n else raise Fail "Trying to set negative minHeap"
adam@1332 607 fun getMinHeap () = !minHeap
adam@1332 608
adam@1393 609 structure SS = BinarySetFn(struct
adam@1393 610 type ord_key = string
adam@1393 611 val compare = String.compare
adam@1393 612 end)
adam@1393 613
adam@1393 614 val alwaysInline = ref SS.empty
adam@1393 615 fun addAlwaysInline s = alwaysInline := SS.add (!alwaysInline, s)
adam@1393 616 fun checkAlwaysInline s = SS.member (!alwaysInline, s)
adam@1393 617
adam@1478 618 val noXsrfProtection = ref SS.empty
adam@1478 619 fun addNoXsrfProtection s = noXsrfProtection := SS.add (!noXsrfProtection, s)
adam@1478 620 fun checkNoXsrfProtection s = SS.member (!noXsrfProtection, s)
adam@1478 621
adamc@765 622 end