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annotate src/settings.sml @ 1095:bed675db3aff

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Dynamic linking of the runtime system
author Adam Chlipala <adamc@hcoop.net>
date Sun, 27 Dec 2009 13:18:32 -0500
parents b2311dfb3158
children 324c9ffe8ff9
rev   line source
adamc@764 1 (* Copyright (c) 2008-2009, 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 "/"
adamc@764 31 val timeout = ref 0
adamc@764 32 val headers = ref ([] : string list)
adamc@766 33 val scripts = ref ([] : string list)
adamc@764 34
adamc@764 35 fun getUrlPrefix () = !urlPrefix
adamc@764 36 fun setUrlPrefix p =
adamc@764 37 urlPrefix := (if p = "" then
adamc@764 38 "/"
adamc@764 39 else if String.sub (p, size p - 1) <> #"/" then
adamc@764 40 p ^ "/"
adamc@764 41 else
adamc@764 42 p)
adamc@764 43
adamc@764 44 fun getTimeout () = !timeout
adamc@764 45 fun setTimeout n = timeout := n
adamc@764 46
adamc@764 47 fun getHeaders () = !headers
adamc@764 48 fun setHeaders ls = headers := ls
adamc@764 49
adamc@766 50 fun getScripts () = !scripts
adamc@766 51 fun setScripts ls = scripts := ls
adamc@766 52
adamc@765 53 type ffi = string * string
adamc@765 54
adamc@765 55 structure K = struct
adamc@765 56 type ord_key = ffi
adamc@765 57 fun compare ((m1, x1), (m2, x2)) =
adamc@765 58 Order.join (String.compare (m1, m2),
adamc@765 59 fn () => String.compare (x1, x2))
adamc@764 60 end
adamc@765 61
adamc@765 62 structure S = BinarySetFn(K)
adamc@765 63 structure M = BinaryMapFn(K)
adamc@765 64
adamc@765 65 fun basis x = S.addList (S.empty, map (fn x : string => ("Basis", x)) x)
adamc@765 66
adamc@765 67 val clientToServerBase = basis ["int",
adamc@765 68 "float",
adamc@765 69 "string",
adamc@765 70 "time",
adamc@765 71 "file",
adamc@765 72 "unit",
adamc@765 73 "option",
adamc@765 74 "list",
adamc@765 75 "bool"]
adamc@765 76 val clientToServer = ref clientToServerBase
adamc@765 77 fun setClientToServer ls = clientToServer := S.addList (clientToServerBase, ls)
adamc@765 78 fun mayClientToServer x = S.member (!clientToServer, x)
adamc@765 79
adamc@779 80 val effectfulBase = basis ["dml",
adamc@779 81 "nextval",
adamc@1073 82 "setval",
adamc@779 83 "set_cookie",
adamc@1050 84 "clear_cookie",
adamc@765 85 "new_client_source",
adamc@765 86 "get_client_source",
adamc@765 87 "set_client_source",
adamc@845 88 "current",
adamc@765 89 "alert",
adamc@765 90 "new_channel",
adamc@765 91 "send",
adamc@765 92 "onError",
adamc@765 93 "onFail",
adamc@765 94 "onConnectFail",
adamc@765 95 "onDisconnect",
adamc@895 96 "onServerError",
adamc@895 97 "kc"]
adamc@765 98
adamc@765 99 val effectful = ref effectfulBase
adamc@765 100 fun setEffectful ls = effectful := S.addList (effectfulBase, ls)
adamc@765 101 fun isEffectful x = S.member (!effectful, x)
adamc@765 102
adamc@765 103 val clientBase = basis ["get",
adamc@765 104 "set",
adamc@841 105 "current",
adamc@765 106 "alert",
adamc@765 107 "recv",
adamc@765 108 "sleep",
adamc@765 109 "spawn",
adamc@765 110 "onError",
adamc@765 111 "onFail",
adamc@765 112 "onConnectFail",
adamc@765 113 "onDisconnect",
adamc@895 114 "onServerError",
adamc@895 115 "kc"]
adamc@765 116 val client = ref clientBase
adamc@765 117 fun setClientOnly ls = client := S.addList (clientBase, ls)
adamc@765 118 fun isClientOnly x = S.member (!client, x)
adamc@765 119
adamc@765 120 val serverBase = basis ["requestHeader",
adamc@765 121 "query",
adamc@765 122 "dml",
adamc@765 123 "nextval",
adamc@1073 124 "setval",
adamc@765 125 "channel",
adamc@765 126 "send"]
adamc@765 127 val server = ref serverBase
adamc@765 128 fun setServerOnly ls = server := S.addList (serverBase, ls)
adamc@765 129 fun isServerOnly x = S.member (!server, x)
adamc@765 130
adamc@765 131 val basisM = foldl (fn ((k, v : string), m) => M.insert (m, ("Basis", k), v)) M.empty
adamc@765 132
adamc@765 133 val jsFuncsBase = basisM [("alert", "alert"),
adamc@765 134 ("get_client_source", "sg"),
adamc@841 135 ("current", "scur"),
adamc@765 136 ("htmlifyBool", "bs"),
adamc@765 137 ("htmlifyFloat", "ts"),
adamc@765 138 ("htmlifyInt", "ts"),
adamc@765 139 ("htmlifyString", "eh"),
adamc@765 140 ("new_client_source", "sc"),
adamc@765 141 ("set_client_source", "sv"),
adamc@838 142 ("stringToFloat", "pflo"),
adamc@838 143 ("stringToInt", "pio"),
adamc@765 144 ("stringToFloat_error", "pfl"),
adamc@765 145 ("stringToInt_error", "pi"),
adamc@765 146 ("urlifyInt", "ts"),
adamc@765 147 ("urlifyFloat", "ts"),
adamc@765 148 ("urlifyString", "uf"),
adamc@912 149 ("urlifyBool", "ub"),
adamc@765 150 ("recv", "rv"),
adamc@765 151 ("strcat", "cat"),
adamc@765 152 ("intToString", "ts"),
adamc@765 153 ("floatToString", "ts"),
adamc@821 154 ("charToString", "ts"),
adamc@765 155 ("onError", "onError"),
adamc@765 156 ("onFail", "onFail"),
adamc@765 157 ("onConnectFail", "onConnectFail"),
adamc@765 158 ("onDisconnect", "onDisconnect"),
adamc@798 159 ("onServerError", "onServerError"),
adamc@798 160 ("attrifyString", "escape"),
adamc@798 161 ("attrifyInt", "ts"),
adamc@798 162 ("attrifyFloat", "ts"),
adamc@820 163 ("attrifyBool", "bs"),
adamc@821 164 ("boolToString", "ts"),
adamc@1057 165 ("str1", "id"),
adamc@821 166 ("strsub", "sub"),
adamc@828 167 ("strsuffix", "suf"),
adamc@829 168 ("strlen", "slen"),
adamc@829 169 ("strindex", "sidx"),
adamc@829 170 ("strchr", "schr"),
adamc@831 171 ("substring", "ssub"),
adamc@895 172 ("strcspn", "sspn"),
adamc@1061 173 ("kc", "kc"),
adamc@1061 174
adamc@1061 175 ("islower", "isLower"),
adamc@1061 176 ("isupper", "isUpper"),
adamc@1061 177 ("isalpha", "isAlpha"),
adamc@1061 178 ("isdigit", "isDigit"),
adamc@1061 179 ("isalnum", "isAlnum"),
adamc@1061 180 ("isblank", "isBlank"),
adamc@1061 181 ("isspace", "isSpace"),
adamc@1061 182 ("isxdigit", "isXdigit"),
adamc@1061 183 ("tolower", "toLower"),
adamc@1061 184 ("toupper", "toUpper")]
adamc@765 185 val jsFuncs = ref jsFuncsBase
adamc@765 186 fun setJsFuncs ls = jsFuncs := foldl (fn ((k, v), m) => M.insert (m, k, v)) jsFuncsBase ls
adamc@765 187 fun jsFunc x = M.find (!jsFuncs, x)
adamc@765 188
adamc@768 189 datatype pattern_kind = Exact | Prefix
adamc@768 190 datatype action = Allow | Deny
adamc@768 191 type rule = { action : action, kind : pattern_kind, pattern : string }
adamc@768 192
adamc@768 193 datatype path_kind = Any | Url | Table | Sequence | View | Relation | Cookie | Style
adamc@768 194 type rewrite = { pkind : path_kind, kind : pattern_kind, from : string, to : string }
adamc@768 195
adamc@768 196 val rewrites = ref ([] : rewrite list)
adamc@768 197
adamc@768 198 fun subsume (pk1, pk2) =
adamc@768 199 pk1 = pk2
adamc@768 200 orelse pk2 = Any
adamc@768 201 orelse pk2 = Relation andalso (pk1 = Table orelse pk1 = Sequence orelse pk1 = View)
adamc@768 202
adamc@768 203 fun setRewriteRules ls = rewrites := ls
adamc@768 204 fun rewrite pk s =
adamc@768 205 let
adamc@768 206 fun rew (ls : rewrite list) =
adamc@768 207 case ls of
adamc@768 208 [] => s
adamc@768 209 | rewr :: ls =>
adamc@768 210 let
adamc@768 211 fun match () =
adamc@768 212 case #kind rewr of
adamc@768 213 Exact => if #from rewr = s then
adamc@768 214 SOME (size s)
adamc@768 215 else
adamc@768 216 NONE
adamc@768 217 | Prefix => if String.isPrefix (#from rewr) s then
adamc@768 218 SOME (size (#from rewr))
adamc@768 219 else
adamc@768 220 NONE
adamc@768 221 in
adamc@768 222 if subsume (pk, #pkind rewr) then
adamc@768 223 case match () of
adamc@768 224 NONE => rew ls
adamc@768 225 | SOME suffixStart => #to rewr ^ String.extract (s, suffixStart, NONE)
adamc@768 226 else
adamc@768 227 rew ls
adamc@768 228 end
adamc@768 229 in
adamc@768 230 rew (!rewrites)
adamc@768 231 end
adamc@768 232
adamc@769 233 val url = ref ([] : rule list)
adamc@769 234 val mime = ref ([] : rule list)
adamc@769 235
adamc@769 236 fun setUrlRules ls = url := ls
adamc@769 237 fun setMimeRules ls = mime := ls
adamc@769 238
adamc@770 239 fun getUrlRules () = !url
adamc@770 240 fun getMimeRules () = !mime
adamc@770 241
adamc@769 242 fun check f rules s =
adamc@769 243 let
adamc@769 244 fun chk (ls : rule list) =
adamc@769 245 case ls of
adamc@769 246 [] => false
adamc@769 247 | rule :: ls =>
adamc@769 248 let
adamc@769 249 val matches =
adamc@769 250 case #kind rule of
adamc@769 251 Exact => #pattern rule = s
adamc@769 252 | Prefix => String.isPrefix (#pattern rule) s
adamc@769 253 in
adamc@769 254 if matches then
adamc@769 255 case #action rule of
adamc@769 256 Allow => true
adamc@769 257 | Deny => false
adamc@769 258 else
adamc@769 259 chk ls
adamc@769 260 end
adamc@769 261 in
adamc@769 262 f s andalso chk (!rules)
adamc@769 263 end
adamc@769 264
adamc@769 265 val checkUrl = check (fn _ => true) url
adamc@769 266 val checkMime = check
adamc@769 267 (CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"/" orelse ch = #"-" orelse ch = #"."))
adamc@769 268 mime
adamc@769 269
adamc@855 270
adamc@855 271 type protocol = {
adamc@855 272 name : string,
adamc@1095 273 linkStatic : string,
adamc@1095 274 linkDynamic : string,
adamc@858 275 persistent : bool
adamc@855 276 }
adamc@855 277 val protocols = ref ([] : protocol list)
adamc@855 278 fun addProtocol p = protocols := p :: !protocols
adamc@855 279 fun getProtocol s = List.find (fn p => #name p = s) (!protocols)
adamc@855 280
adamc@855 281 fun clibFile s = OS.Path.joinDirFile {dir = Config.libC,
adamc@855 282 file = s}
adamc@855 283
adamc@865 284 val curProto = ref {name = "",
adamc@1095 285 linkStatic = "",
adamc@1095 286 linkDynamic = "",
adamc@865 287 persistent = false}
adamc@856 288 fun setProtocol name =
adamc@856 289 case getProtocol name of
adamc@856 290 NONE => raise Fail ("Unknown protocol " ^ name)
adamc@856 291 | SOME p => curProto := p
adamc@855 292 fun currentProtocol () = !curProto
adamc@855 293
adamc@857 294 val debug = ref false
adamc@857 295 fun setDebug b = debug := b
adamc@857 296 fun getDebug () = !debug
adamc@857 297
adamc@867 298 datatype sql_type =
adamc@867 299 Int
adamc@867 300 | Float
adamc@867 301 | String
adamc@1011 302 | Char
adamc@867 303 | Bool
adamc@867 304 | Time
adamc@867 305 | Blob
adamc@867 306 | Channel
adamc@867 307 | Client
adamc@867 308 | Nullable of sql_type
adamc@867 309
adamc@873 310 fun p_sql_ctype t =
adamc@867 311 let
adamc@867 312 open Print.PD
adamc@867 313 open Print
adamc@867 314 in
adamc@867 315 case t of
adamc@870 316 Int => "uw_Basis_int"
adamc@870 317 | Float => "uw_Basis_float"
adamc@870 318 | String => "uw_Basis_string"
adamc@1011 319 | Char => "uw_Basis_char"
adamc@870 320 | Bool => "uw_Basis_bool"
adamc@870 321 | Time => "uw_Basis_time"
adamc@870 322 | Blob => "uw_Basis_blob"
adamc@870 323 | Channel => "uw_Basis_channel"
adamc@870 324 | Client => "uw_Basis_client"
adamc@870 325 | Nullable String => "uw_Basis_string"
adamc@873 326 | Nullable t => p_sql_ctype t ^ "*"
adamc@867 327 end
adamc@867 328
adamc@867 329 fun isBlob Blob = true
adamc@867 330 | isBlob (Nullable t) = isBlob t
adamc@867 331 | isBlob _ = false
adamc@867 332
adamc@870 333 fun isNotNull (Nullable _) = false
adamc@870 334 | isNotNull _ = true
adamc@870 335
adamc@866 336 type dbms = {
adamc@866 337 name : string,
adamc@866 338 header : string,
adamc@866 339 link : string,
adamc@873 340 p_sql_type : sql_type -> string,
adamc@870 341 init : {dbstring : string,
adamc@870 342 prepared : (string * int) list,
adamc@870 343 tables : (string * (string * sql_type) list) list,
adamc@872 344 views : (string * (string * sql_type) list) list,
adamc@870 345 sequences : string list} -> Print.PD.pp_desc,
adamc@873 346 query : {loc : ErrorMsg.span, cols : sql_type list,
adamc@880 347 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int, typ : sql_type} -> Print.PD.pp_desc)
adamc@867 348 -> Print.PD.pp_desc}
adamc@867 349 -> Print.PD.pp_desc,
adamc@867 350 queryPrepared : {loc : ErrorMsg.span, id : int, query : string,
adamc@873 351 inputs : sql_type list, cols : sql_type list,
adamc@880 352 doCols : ({loc : ErrorMsg.span, wontLeakStrings : bool, col : int,
adamc@880 353 typ : sql_type} -> Print.PD.pp_desc)
adamc@879 354 -> Print.PD.pp_desc,
adamc@879 355 nested : bool}
adamc@868 356 -> Print.PD.pp_desc,
adamc@868 357 dml : ErrorMsg.span -> Print.PD.pp_desc,
adamc@868 358 dmlPrepared : {loc : ErrorMsg.span, id : int, dml : string,
adamc@869 359 inputs : sql_type list} -> Print.PD.pp_desc,
adamc@878 360 nextval : {loc : ErrorMsg.span, seqName : string option, seqE : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 361 nextvalPrepared : {loc : ErrorMsg.span, id : int, query : string} -> Print.PD.pp_desc,
adamc@1073 362 setval : {loc : ErrorMsg.span, seqE : Print.PD.pp_desc, count : Print.PD.pp_desc} -> Print.PD.pp_desc,
adamc@874 363 sqlifyString : string -> string,
adamc@874 364 p_cast : string * sql_type -> string,
adamc@874 365 p_blank : int * sql_type -> string,
adamc@877 366 supportsDeleteAs : bool,
adamc@886 367 supportsUpdateAs : bool,
adamc@877 368 createSequence : string -> string,
adamc@878 369 textKeysNeedLengths : bool,
adamc@879 370 supportsNextval : bool,
adamc@882 371 supportsNestedPrepared : bool,
adamc@890 372 sqlPrefix : string,
adamc@1014 373 supportsOctetLength : bool,
adamc@1014 374 trueString : string,
adamc@1014 375 falseString : string
adamc@866 376 }
adamc@866 377
adamc@866 378 val dbmses = ref ([] : dbms list)
adamc@866 379 val curDb = ref ({name = "",
adamc@866 380 header = "",
adamc@866 381 link = "",
adamc@873 382 p_sql_type = fn _ => "",
adamc@867 383 init = fn _ => Print.box [],
adamc@867 384 query = fn _ => Print.box [],
adamc@868 385 queryPrepared = fn _ => Print.box [],
adamc@868 386 dml = fn _ => Print.box [],
adamc@869 387 dmlPrepared = fn _ => Print.box [],
adamc@869 388 nextval = fn _ => Print.box [],
adamc@874 389 nextvalPrepared = fn _ => Print.box [],
adamc@1073 390 setval = fn _ => Print.box [],
adamc@874 391 sqlifyString = fn s => s,
adamc@874 392 p_cast = fn _ => "",
adamc@874 393 p_blank = fn _ => "",
adamc@877 394 supportsDeleteAs = false,
adamc@886 395 supportsUpdateAs = false,
adamc@877 396 createSequence = fn _ => "",
adamc@878 397 textKeysNeedLengths = false,
adamc@879 398 supportsNextval = false,
adamc@882 399 supportsNestedPrepared = false,
adamc@890 400 sqlPrefix = "",
adamc@1014 401 supportsOctetLength = false,
adamc@1014 402 trueString = "",
adamc@1014 403 falseString = ""} : dbms)
adamc@866 404
adamc@866 405 fun addDbms v = dbmses := v :: !dbmses
adamc@866 406 fun setDbms s =
adamc@866 407 case List.find (fn db => #name db = s) (!dbmses) of
adamc@866 408 NONE => raise Fail ("Unknown DBMS " ^ s)
adamc@866 409 | SOME db => curDb := db
adamc@866 410 fun currentDbms () = !curDb
adamc@866 411
adamc@891 412 val dbstring = ref (NONE : string option)
adamc@891 413 fun setDbstring so = dbstring := so
adamc@891 414 fun getDbstring () = !dbstring
adamc@891 415
adamc@891 416 val exe = ref (NONE : string option)
adamc@891 417 fun setExe so = exe := so
adamc@891 418 fun getExe () = !exe
adamc@891 419
adamc@891 420 val sql = ref (NONE : string option)
adamc@891 421 fun setSql so = sql := so
adamc@891 422 fun getSql () = !sql
adamc@891 423
adamc@1016 424 val coreInline = ref 20
adamc@1016 425 fun setCoreInline n = coreInline := n
adamc@1016 426 fun getCoreInline () = !coreInline
adamc@1016 427
adamc@1016 428 val monoInline = ref 20
adamc@1016 429 fun setMonoInline n = monoInline := n
adamc@1016 430 fun getMonoInline () = !monoInline
adamc@1016 431
adamc@1095 432 val staticLinking = ref false
adamc@1095 433 fun setStaticLinking b = staticLinking := b
adamc@1095 434 fun getStaticLinking () = !staticLinking
adamc@1095 435
adamc@765 436 end