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Polymorphic variants
author Adam Chlipala <adam@chlipala.net>
date Thu, 19 Aug 2010 17:28:52 -0400
parents a9a500d22ebc
children 6791454653c5
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@821 4 type char
adamc@436 5 type time
adamc@737 6 type blob
adamc@91 7
adamc@119 8 type unit = {}
adamc@119 9
adamc@186 10 datatype bool = False | True
adamc@186 11
adamc@288 12 datatype option t = None | Some of t
adamc@284 13
adamc@757 14 datatype list t = Nil | Cons of t * list t
adamc@757 15
adamc@91 16
adam@1287 17 (** Polymorphic variants *)
adam@1287 18
adam@1287 19 con variant :: {Type} -> Type
adam@1287 20 val make : nm :: Name -> t ::: Type -> ts ::: {Type} -> [[nm] ~ ts] => t -> variant ([nm = t] ++ ts)
adam@1287 21 val match : ts ::: {Type} -> t ::: Type -> variant ts -> $(map (fn t' => t' -> t) ts) -> t
adam@1287 22
adam@1287 23
adamc@256 24 (** Basic type classes *)
adamc@256 25
adamc@256 26 class eq
adamc@256 27 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 28 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 29 val eq_int : eq int
adamc@394 30 val eq_float : eq float
adamc@256 31 val eq_string : eq string
adamc@821 32 val eq_char : eq char
adamc@256 33 val eq_bool : eq bool
adamc@437 34 val eq_time : eq time
adamc@422 35 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 36
adamc@389 37 class num
adamc@417 38 val zero : t ::: Type -> num t -> t
adamc@389 39 val neg : t ::: Type -> num t -> t -> t
adamc@389 40 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 41 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 42 val times : t ::: Type -> num t -> t -> t -> t
adamc@775 43 val divide : t ::: Type -> num t -> t -> t -> t
adamc@389 44 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 45 val num_int : num int
adamc@390 46 val num_float : num float
adamc@389 47
adamc@391 48 class ord
adamc@391 49 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 50 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 51 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 52 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 53 val ord_int : ord int
adamc@394 54 val ord_float : ord float
adamc@394 55 val ord_string : ord string
adamc@821 56 val ord_char : ord char
adamc@394 57 val ord_bool : ord bool
adamc@437 58 val ord_time : ord time
adamc@961 59 val mkOrd : t ::: Type -> {Lt : t -> t -> bool, Le : t -> t -> bool} -> ord t
adamc@391 60
adamc@256 61
adamc@1061 62 (** Character operations *)
adamc@1061 63
adamc@1061 64 val isalnum : char -> bool
adamc@1061 65 val isalpha : char -> bool
adamc@1061 66 val isblank : char -> bool
adamc@1061 67 val iscntrl : char -> bool
adamc@1061 68 val isdigit : char -> bool
adamc@1061 69 val isgraph : char -> bool
adamc@1061 70 val islower : char -> bool
adamc@1061 71 val isprint : char -> bool
adamc@1061 72 val ispunct : char -> bool
adamc@1061 73 val isspace : char -> bool
adamc@1061 74 val isupper : char -> bool
adamc@1061 75 val isxdigit : char -> bool
adamc@1061 76 val tolower : char -> char
adamc@1061 77 val toupper : char -> char
adamc@1128 78 val ord : char -> int
adamc@1128 79 val chr : int -> char
adamc@1061 80
adamc@283 81 (** String operations *)
adamc@283 82
adamc@828 83 val strlen : string -> int
adamc@283 84 val strcat : string -> string -> string
adamc@821 85 val strsub : string -> int -> char
adamc@821 86 val strsuffix : string -> int -> string
adamc@829 87 val strchr : string -> char -> option string
adamc@829 88 val strindex : string -> char -> option int
adamc@1272 89 val strcspn : string -> string -> int
adamc@829 90 val substring : string -> int -> int -> string
adamc@1023 91 val str1 : char -> string
adamc@283 92
adamc@286 93 class show
adamc@286 94 val show : t ::: Type -> show t -> t -> string
adamc@286 95 val show_int : show int
adamc@286 96 val show_float : show float
adamc@286 97 val show_string : show string
adamc@821 98 val show_char : show char
adamc@286 99 val show_bool : show bool
adamc@436 100 val show_time : show time
adamc@452 101 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 102
adamc@290 103 class read
adamc@290 104 val read : t ::: Type -> read t -> string -> option t
adamc@292 105 val readError : t ::: Type -> read t -> string -> t
adamc@292 106 (* [readError] calls [error] if the input is malformed. *)
adamc@290 107 val read_int : read int
adamc@290 108 val read_float : read float
adamc@290 109 val read_string : read string
adamc@821 110 val read_char : read char
adamc@290 111 val read_bool : read bool
adamc@436 112 val read_time : read time
adamc@777 113 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 114
adamc@283 115
adamc@564 116 (** * Monads *)
adamc@564 117
adamc@711 118 class monad :: (Type -> Type) -> Type
adamc@564 119 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 120 -> monad m
adamc@564 121 -> t -> m t
adamc@564 122 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 123 -> monad m
adamc@564 124 -> m t1 -> (t1 -> m t2)
adamc@564 125 -> m t2
adamc@564 126
adamc@456 127 con transaction :: Type -> Type
adamc@564 128 val transaction_monad : monad transaction
adamc@456 129
adamc@565 130 con source :: Type -> Type
adamc@565 131 val source : t ::: Type -> t -> transaction (source t)
adamc@575 132 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 133 val get : t ::: Type -> source t -> transaction t
adamc@565 134
adamc@565 135 con signal :: Type -> Type
adamc@565 136 val signal_monad : monad signal
adamc@565 137 val signal : t ::: Type -> source t -> signal t
adamc@841 138 val current : t ::: Type -> signal t -> transaction t
adamc@456 139
adamc@456 140
adamc@1006 141 (** * Time *)
adamc@1006 142
adamc@1006 143 val now : transaction time
adamc@1050 144 val minTime : time
adamc@1138 145 val minusSeconds : time -> int -> time
adamc@1006 146
adamc@1006 147
adamc@456 148 (** HTTP operations *)
adamc@456 149
adamc@459 150 con http_cookie :: Type -> Type
adamc@459 151 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@1050 152 val setCookie : t ::: Type -> http_cookie t -> {Value : t,
adamc@1050 153 Expires : option time,
adamc@1050 154 Secure : bool} -> transaction unit
adamc@1050 155 val clearCookie : t ::: Type -> http_cookie t -> transaction unit
adamc@459 156
adamc@456 157
adamc@566 158 (** JavaScript-y gadgets *)
adamc@566 159
adamc@566 160 val alert : string -> transaction unit
adamc@694 161 val spawn : transaction unit -> transaction unit
adamc@695 162 val sleep : int -> transaction unit
adamc@566 163
adamc@908 164 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 165
adamc@566 166
adamc@678 167 (** Channels *)
adamc@678 168
adamc@678 169 con channel :: Type -> Type
adamc@678 170 val channel : t ::: Type -> transaction (channel t)
adamc@678 171 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 172 val recv : t ::: Type -> channel t -> transaction t
adamc@678 173
adamc@682 174 type client
adamc@682 175 val self : transaction client
adamc@682 176
adamc@678 177
adamc@203 178 (** SQL *)
adamc@203 179
adamc@705 180 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 181 con sql_view :: {Type} -> Type
adamc@753 182
adamc@753 183 class fieldsOf :: Type -> {Type} -> Type
adamc@753 184 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 185 -> fieldsOf (sql_table fs keys) fs
adamc@753 186 val fieldsOf_view : fs ::: {Type}
adamc@753 187 -> fieldsOf (sql_view fs) fs
adamc@203 188
adamc@704 189 (*** Constraints *)
adamc@704 190
adamc@707 191 (**** Primary keys *)
adamc@707 192
adamc@707 193 class sql_injectable_prim
adamc@707 194 val sql_bool : sql_injectable_prim bool
adamc@707 195 val sql_int : sql_injectable_prim int
adamc@707 196 val sql_float : sql_injectable_prim float
adamc@707 197 val sql_string : sql_injectable_prim string
adamc@1011 198 val sql_char : sql_injectable_prim char
adamc@707 199 val sql_time : sql_injectable_prim time
adamc@737 200 val sql_blob : sql_injectable_prim blob
adamc@707 201 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 202 val sql_client : sql_injectable_prim client
adamc@707 203
adamc@1104 204 con serialized :: Type -> Type
adamc@1104 205 val serialize : t ::: Type -> t -> serialized t
adamc@1104 206 val deserialize : t ::: Type -> serialized t -> t
adamc@1104 207 val sql_serialized : t ::: Type -> sql_injectable_prim (serialized t)
adamc@1104 208
adamc@707 209 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 210 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 211 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 212 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 213 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 214 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 215 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 216
adamc@707 217 (**** Other constraints *)
adamc@707 218
adamc@705 219 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 220 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 221
adamc@705 222 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 223
adamc@705 224 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 225 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 226 -> sql_constraint fs unique
adamc@705 227 -> sql_constraints fs [name = unique]
adamc@705 228 val join_constraints : fs ::: {Type}
adamc@705 229 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 230 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 231 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 232
adamc@709 233
adamc@705 234 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 235 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 236 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 237
adamc@712 238 class linkable :: Type -> Type -> Type
adamc@712 239 val linkable_same : t ::: Type -> linkable t t
adamc@712 240 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 241 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 242
adamc@709 243 con matching :: {Type} -> {Type} -> Type
adamc@709 244 val mat_nil : matching [] []
adamc@712 245 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 246 -> nm1 :: Name -> nm2 :: Name
adamc@709 247 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 248 => linkable t1 t2
adamc@712 249 -> matching rest1 rest2
adamc@712 250 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 251
adamc@709 252 con propagation_mode :: {Type} -> Type
adamc@709 253 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 254 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 255 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 256 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 257
adamc@709 258
adamc@709 259 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 260 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 261 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 262 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 263 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 264 => matching ([mine1 = t] ++ mine) foreign
adamc@709 265 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 266 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 267 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 268 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 269
adamc@714 270 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@1072 271 val sql_exp_weaken : fs ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1072 272 -> fs' ::: {{Type}} -> agg' ::: {{Type}} -> exps' ::: {Type}
adamc@1072 273 -> [fs ~ fs'] => [agg ~ agg'] => [exps ~ exps'] =>
adamc@1072 274 sql_exp fs agg exps t
adamc@1072 275 -> sql_exp (fs ++ fs') (agg ++ agg') (exps ++ exps') t
adamc@714 276
adamc@714 277 val check : fs ::: {Type}
adamc@714 278 -> sql_exp [] [] fs bool
adamc@714 279 -> sql_constraint fs []
adamc@714 280
adamc@714 281
adamc@204 282 (*** Queries *)
adamc@204 283
adamc@1191 284 con sql_query :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@1191 285 con sql_query1 :: {{Type}} -> {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 286
adamc@223 287 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 288 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 289 -> sql_subset
adamc@621 290 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 291 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 292 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@1072 293 val sql_subset_concat : big1 ::: {{Type}} -> little1 ::: {{Type}}
adamc@1072 294 -> big2 ::: {{Type}} -> little2 ::: {{Type}}
adamc@1072 295 -> [big1 ~ big2] => [little1 ~ little2] =>
adamc@1072 296 sql_subset big1 little1
adamc@1072 297 -> sql_subset big2 little2
adamc@1072 298 -> sql_subset (big1 ++ big2) (little1 ++ little2)
adamc@223 299
adamc@1191 300 con sql_from_items :: {{Type}} -> {{Type}} -> Type
adamc@748 301
adamc@1195 302 val sql_from_nil : free ::: {{Type}} -> sql_from_items free []
adamc@1191 303 val sql_from_table : free ::: {{Type}} -> t ::: Type -> fs ::: {Type}
adamc@753 304 -> fieldsOf t fs -> name :: Name
adamc@1191 305 -> t -> sql_from_items free [name = fs]
adamc@1192 306 val sql_from_query : free ::: {{Type}} -> fs ::: {Type} -> name :: Name
adamc@1192 307 -> sql_query free [] fs
adamc@1192 308 -> sql_from_items free [name = fs]
adamc@1191 309 val sql_from_comma : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 310 -> [tabs1 ~ tabs2]
adamc@1191 311 => sql_from_items free tabs1 -> sql_from_items free tabs2
adamc@1191 312 -> sql_from_items free (tabs1 ++ tabs2)
adamc@1191 313 val sql_inner_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@1191 314 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@1191 315 => sql_from_items free tabs1 -> sql_from_items free tabs2
adamc@1191 316 -> sql_exp (free ++ tabs1 ++ tabs2) [] [] bool
adamc@1191 317 -> sql_from_items free (tabs1 ++ tabs2)
adamc@748 318
adamc@750 319 class nullify :: Type -> Type -> Type
adamc@750 320 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 321 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 322
adamc@1191 323 val sql_left_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@1191 324 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@750 325 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@1191 326 -> sql_from_items free tabs1 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@1191 327 -> sql_exp (free ++ tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@1191 328 -> sql_from_items free (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 329
adamc@1191 330 val sql_right_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@1191 331 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@751 332 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@1191 333 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items free tabs2
adamc@1191 334 -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@1191 335 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 336
adamc@1191 337 val sql_full_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@1191 338 -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2]
adamc@751 339 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@1191 340 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@1191 341 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@1191 342 -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@1191 343 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 344
adamc@1191 345 val sql_query1 : free ::: {{Type}}
adamc@1191 346 -> tables ::: {{Type}}
adamc@354 347 -> grouped ::: {{Type}}
adamc@354 348 -> selectedFields ::: {{Type}}
adamc@354 349 -> selectedExps ::: {Type}
adamc@1070 350 -> empties :: {Unit}
adamc@1191 351 -> [free ~ tables]
adamc@1191 352 => [free ~ grouped]
adamc@1191 353 => [empties ~ selectedFields]
adamc@1070 354 => {Distinct : bool,
adamc@1191 355 From : sql_from_items free tables,
adamc@1191 356 Where : sql_exp (free ++ tables) [] [] bool,
adamc@748 357 GroupBy : sql_subset tables grouped,
adamc@1191 358 Having : sql_exp (free ++ grouped) tables [] bool,
adamc@1070 359 SelectFields : sql_subset grouped (map (fn _ => []) empties ++ selectedFields),
adamc@1191 360 SelectExps : $(map (sql_exp (free ++ grouped) tables [])
adamc@705 361 selectedExps) }
adamc@1191 362 -> sql_query1 free tables selectedFields selectedExps
adamc@229 363
adamc@229 364 type sql_relop
adamc@229 365 val sql_union : sql_relop
adamc@229 366 val sql_intersect : sql_relop
adamc@229 367 val sql_except : sql_relop
adamc@1191 368 val sql_relop : free ::: {{Type}}
adamc@1191 369 -> tables1 ::: {{Type}}
adamc@354 370 -> tables2 ::: {{Type}}
adamc@354 371 -> selectedFields ::: {{Type}}
adamc@354 372 -> selectedExps ::: {Type}
adamc@354 373 -> sql_relop
adamc@1191 374 -> sql_query1 free tables1 selectedFields selectedExps
adamc@1191 375 -> sql_query1 free tables2 selectedFields selectedExps
adamc@1191 376 -> sql_query1 free [] selectedFields selectedExps
adamc@1191 377 val sql_forget_tables : free ::: {{Type}} -> tables ::: {{Type}} -> selectedFields ::: {{Type}} -> selectedExps ::: {Type}
adamc@1191 378 -> sql_query1 free tables selectedFields selectedExps
adamc@1191 379 -> sql_query1 free [] selectedFields selectedExps
adamc@229 380
adamc@230 381 type sql_direction
adamc@230 382 val sql_asc : sql_direction
adamc@230 383 val sql_desc : sql_direction
adamc@230 384
adamc@234 385 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 386 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 387 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 388 -> sql_exp tables [] exps t -> sql_direction
adamc@354 389 -> sql_order_by tables exps
adamc@354 390 -> sql_order_by tables exps
adamc@230 391
adamc@231 392 type sql_limit
adamc@231 393 val sql_no_limit : sql_limit
adamc@231 394 val sql_limit : int -> sql_limit
adamc@354 395
adamc@232 396 type sql_offset
adamc@232 397 val sql_no_offset : sql_offset
adamc@232 398 val sql_offset : int -> sql_offset
adamc@232 399
adamc@1191 400 val sql_query : free ::: {{Type}}
adamc@1191 401 -> tables ::: {{Type}}
adamc@354 402 -> selectedFields ::: {{Type}}
adamc@354 403 -> selectedExps ::: {Type}
adamc@1191 404 -> [free ~ tables]
adamc@1191 405 => {Rows : sql_query1 free tables selectedFields selectedExps,
adamc@1191 406 OrderBy : sql_order_by (free ++ tables) selectedExps,
adamc@354 407 Limit : sql_limit,
adamc@354 408 Offset : sql_offset}
adamc@1191 409 -> sql_query free selectedFields selectedExps
adamc@204 410
adamc@354 411 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 412 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 413 -> exps ::: {Type}
adamc@354 414 -> tab :: Name -> field :: Name
adamc@354 415 -> sql_exp
adamc@354 416 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 417 agg exps fieldType
adamc@234 418
adamc@354 419 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 420 -> nm :: Name
adamc@354 421 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 422
adamc@221 423 class sql_injectable
adamc@676 424 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 425 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 426
adamc@354 427 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 428 -> t ::: Type
adamc@354 429 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 430
adamc@470 431 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 432 -> t ::: Type
adamc@470 433 -> sql_exp tables agg exps (option t)
adamc@470 434 -> sql_exp tables agg exps bool
adamc@470 435
adamc@559 436 class sql_arith
adamc@559 437 val sql_int_arith : sql_arith int
adamc@559 438 val sql_float_arith : sql_arith float
adamc@559 439
adamc@220 440 con sql_unary :: Type -> Type -> Type
adamc@220 441 val sql_not : sql_unary bool bool
adamc@354 442 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 443 -> arg ::: Type -> res ::: Type
adamc@354 444 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 445 -> sql_exp tables agg exps res
adamc@220 446
adamc@559 447 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 448
adamc@220 449 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 450 val sql_and : sql_binary bool bool bool
adamc@220 451 val sql_or : sql_binary bool bool bool
adamc@234 452 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 453 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 454 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 455 -> sql_exp tables agg exps arg2
adamc@354 456 -> sql_exp tables agg exps res
adamc@220 457
adamc@559 458 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 459 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 460 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 461 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 462 val sql_mod : sql_binary int int int
adamc@559 463
adamc@559 464 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 465 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 466 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 467 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 468 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 469 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 470
adamc@235 471 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 472 -> sql_exp tables agg exps int
adamc@235 473
adamc@1187 474 con sql_aggregate :: Type -> Type -> Type
adamc@354 475 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@1187 476 -> dom ::: Type -> ran ::: Type
adamc@1187 477 -> sql_aggregate dom ran -> sql_exp agg agg exps dom
adamc@1187 478 -> sql_exp tables agg exps ran
adamc@1187 479
adamc@1187 480 val sql_count_col : t ::: Type -> sql_aggregate (option t) int
adamc@236 481
adamc@236 482 class sql_summable
adamc@236 483 val sql_summable_int : sql_summable int
adamc@236 484 val sql_summable_float : sql_summable float
adamc@1187 485 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t t
adamc@1187 486 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t t
adamc@236 487
adamc@236 488 class sql_maxable
adamc@236 489 val sql_maxable_int : sql_maxable int
adamc@236 490 val sql_maxable_float : sql_maxable float
adamc@236 491 val sql_maxable_string : sql_maxable string
adamc@437 492 val sql_maxable_time : sql_maxable time
adamc@1187 493 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t t
adamc@1187 494 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t t
adamc@236 495
adamc@441 496 con sql_nfunc :: Type -> Type
adamc@441 497 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 498 -> t ::: Type
adamc@441 499 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 500 val sql_current_timestamp : sql_nfunc time
adamc@441 501
adamc@746 502 con sql_ufunc :: Type -> Type -> Type
adamc@746 503 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 504 -> dom ::: Type -> ran ::: Type
adamc@746 505 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 506 -> sql_exp tables agg exps ran
adamc@746 507 val sql_octet_length : sql_ufunc blob int
adamc@1207 508 val sql_known : t ::: Type -> sql_ufunc t bool
adamc@746 509
adamc@235 510
adamc@1081 511 val sql_nullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1081 512 -> sql_injectable_prim t
adamc@1081 513 -> sql_exp tables agg exps t
adamc@1081 514 -> sql_exp tables agg exps (option t)
adamc@1081 515
adamc@1191 516 val sql_subquery : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> nm ::: Name -> t ::: Type
adamc@1191 517 -> sql_query tables [] [nm = t]
adamc@1191 518 -> sql_exp tables agg exps t
adamc@1191 519
adamc@243 520 (*** Executing queries *)
adamc@243 521
adamc@354 522 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 523 -> [tables ~ exps] =>
adamc@354 524 state ::: Type
adamc@1191 525 -> sql_query [] tables exps
adamc@621 526 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 527 -> state
adamc@354 528 -> transaction state)
adamc@354 529 -> state
adamc@354 530 -> transaction state
adamc@243 531
adamc@243 532
adamc@299 533 (*** Database mutators *)
adamc@299 534
adamc@299 535 type dml
adamc@299 536 val dml : dml -> transaction unit
adamc@299 537
adamc@705 538 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 539 -> sql_table fields uniques
adamc@621 540 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 541 -> dml
adamc@299 542
adamc@705 543 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 544 [changed ~ unchanged] =>
adamc@621 545 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 546 -> sql_table (changed ++ unchanged) uniques
adamc@354 547 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 548 -> dml
adamc@299 549
adamc@705 550 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 551 -> sql_table fields uniques
adamc@354 552 -> sql_exp [T = fields] [] [] bool
adamc@354 553 -> dml
adamc@299 554
adamc@338 555 (*** Sequences *)
adamc@338 556
adamc@338 557 type sql_sequence
adamc@338 558 val nextval : sql_sequence -> transaction int
adamc@1073 559 val setval : sql_sequence -> int -> transaction unit
adamc@338 560
adamc@299 561
adamc@203 562 (** XML *)
adamc@203 563
adamc@721 564 type css_class
adamc@718 565
adamc@720 566 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 567
adamc@720 568 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 569 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 570 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 571 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 572 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 573 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 574 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 575 [useOuter ~ useInner] =>
adamc@629 576 [bindOuter ~ bindInner] =>
adamc@721 577 option css_class
adamc@721 578 -> $attrsGiven
adamc@629 579 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 580 ctxOuter ctxInner useOuter bindOuter
adamc@720 581 -> xml ctxInner useInner bindInner
adamc@720 582 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 583 val join : ctx ::: {Unit}
adamc@720 584 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 585 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 586 xml ctx use1 bind1
adamc@720 587 -> xml ctx (use1 ++ bind1) bind2
adamc@720 588 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 589 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 590 -> bind ::: {Type}
adamc@629 591 -> [use1 ~ use2] =>
adamc@720 592 xml ctx use1 bind
adamc@720 593 -> xml ctx (use1 ++ use2) bind
adamc@91 594
adamc@110 595 con xhtml = xml [Html]
adamc@139 596 con page = xhtml [] []
adamc@720 597 con xbody = xml [Body] [] []
adamc@1277 598 con xtable = xml [Body, Table] [] []
adamc@720 599 con xtr = xml [Body, Tr] [] []
adamc@720 600 con xform = xml [Body, Form] [] []
adamc@110 601
adamc@718 602
adamc@204 603 (*** HTML details *)
adamc@204 604
adamc@140 605 con html = [Html]
adamc@140 606 con head = [Head]
adamc@140 607 con body = [Body]
adamc@361 608 con form = [Body, Form]
adamc@760 609 con subform = [Body, Subform]
adamc@332 610 con tabl = [Body, Table]
adamc@332 611 con tr = [Body, Tr]
adamc@93 612
adamc@724 613 type url
adamc@1065 614 val show_url : show url
adamc@724 615 val bless : string -> url
adamc@770 616 val checkUrl : string -> option url
adamc@1085 617 val currentUrl : transaction url
adamc@1065 618 val url : transaction page -> url
adamc@1065 619 val redirect : t ::: Type -> url -> transaction t
adamc@724 620
adamc@847 621 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 622 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 623
adamc@720 624 val head : unit -> tag [] html head [] []
adamc@720 625 val title : unit -> tag [] head [] [] []
adamc@1047 626 val link : unit -> tag [Id = string, Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 627
adamc@892 628 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 629 html body [] []
adamc@354 630 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 631 ctx ::: {Unit} ->
adamc@629 632 [[Body] ~ ctx] =>
adamc@720 633 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 634 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 635 ctx ::: {Unit}
adamc@629 636 -> [[Body] ~ ctx] =>
adamc@720 637 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 638
adamc@1047 639 val br : bodyTagStandalone [Id = int]
adamc@119 640
adamc@892 641 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 642 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 643 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 644 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 645 Onmouseup = transaction unit]
adamc@895 646 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 647 Onkeyup = int -> transaction unit]
adamc@895 648 (* Key arguments are character codes. *)
adamc@892 649 con resizeEvents = [Onresize = transaction unit]
adamc@691 650
adamc@892 651 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 652 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 653
adamc@1047 654 con boxAttrs = [Id = string] ++ boxEvents
adamc@1047 655 con tableAttrs = [Id = string] ++ tableEvents
adamc@469 656
adamc@1047 657 val span : bodyTag boxAttrs
adamc@1047 658 val div : bodyTag boxAttrs
adamc@140 659
adamc@1047 660 val p : bodyTag boxAttrs
adamc@1047 661 val b : bodyTag boxAttrs
adamc@1047 662 val i : bodyTag boxAttrs
adamc@1047 663 val tt : bodyTag boxAttrs
adamc@410 664
adamc@1047 665 val h1 : bodyTag boxAttrs
adamc@1047 666 val h2 : bodyTag boxAttrs
adamc@1047 667 val h3 : bodyTag boxAttrs
adamc@1047 668 val h4 : bodyTag boxAttrs
adamc@1047 669 val h5 : bodyTag boxAttrs
adamc@1047 670 val h6 : bodyTag boxAttrs
adamc@717 671
adamc@1047 672 val li : bodyTag boxAttrs
adamc@1047 673 val ol : bodyTag boxAttrs
adamc@1047 674 val ul : bodyTag boxAttrs
adamc@140 675
adamc@1047 676 val hr : bodyTag boxAttrs
adamc@1047 677
adamc@1047 678 val a : bodyTag ([Link = transaction page, Href = url] ++ boxAttrs)
adamc@892 679
adamc@1129 680 val img : bodyTag ([Src = url, Width = int, Height = int,
adamc@1129 681 Onabort = transaction unit, Onerror = transaction unit,
adamc@1047 682 Onload = transaction unit] ++ boxAttrs)
adamc@892 683
adamc@720 684 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@1120 685 -> [[Body, Form, Table] ~ ctx] =>
adamc@1004 686 xml ([Body, Form] ++ ctx) [] bind
adamc@756 687 -> xml ([Body] ++ ctx) [] []
adamc@756 688
adamc@756 689 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 690 -> [[Form] ~ ctx] =>
adamc@756 691 nm :: Name -> [[nm] ~ use] =>
adamc@1004 692 xml ([Form] ++ ctx) [] bind
adamc@756 693 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 694
adamc@758 695 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@1004 696 -> [[Form, Subform] ~ ctx] =>
adamc@758 697 nm :: Name -> [[nm] ~ use] =>
adamc@1004 698 xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 699 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 700
adamc@758 701 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@1004 702 -> [[Subform, Form] ~ ctx] =>
adamc@1004 703 xml ([Form] ++ ctx) [] bind
adamc@758 704 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 705
adamc@361 706 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 707 ctx ::: {Unit}
adamc@629 708 -> [[Form] ~ ctx] =>
adamc@354 709 nm :: Name -> unit
adamc@720 710 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@1047 711 val hidden : formTag string [] [Id = string, Value = string]
adamc@892 712 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 713 Ontext = transaction unit] ++ boxAttrs)
adamc@1047 714 val password : formTag string [] ([Value = string, Size = int] ++ boxAttrs)
adamc@892 715 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@1047 716 Ontext = transaction unit] ++ boxAttrs)
adamc@153 717
adamc@1047 718 val checkbox : formTag bool [] ([Checked = bool] ++ boxAttrs)
adamc@190 719
adamc@737 720 type file
adamc@737 721 val fileName : file -> option string
adamc@740 722 val fileMimeType : file -> string
adamc@737 723 val fileData : file -> blob
adamc@737 724
adamc@1047 725 val upload : formTag file [] ([Value = string, Size = int] ++ boxAttrs)
adamc@737 726
adamc@741 727 type mimeType
adamc@741 728 val blessMime : string -> mimeType
adamc@770 729 val checkMime : string -> option mimeType
adamc@741 730 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 731 val blobSize : blob -> int
adamc@1119 732 val textBlob : string -> blob
adamc@741 733
adamc@153 734 con radio = [Body, Radio]
adamc@1047 735 val radio : formTag string radio [Id = string]
adamc@1068 736 val radioOption : unit -> tag ([Value = string, Checked = bool] ++ boxAttrs) radio [] [] []
adamc@142 737
adamc@154 738 con select = [Select]
adamc@1047 739 val select : formTag string select ([Onchange = transaction unit] ++ boxAttrs)
adamc@720 740 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 741
adamc@720 742 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 743 -> [[Form] ~ ctx] =>
adamc@354 744 unit
adamc@1047 745 -> tag ([Value = string, Action = $use -> transaction page] ++ boxAttrs)
adamc@720 746 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 747
adamc@1047 748 val label : bodyTag ([For = string, Accesskey = string] ++ tableAttrs)
adamc@1047 749
adamc@1047 750
adamc@601 751 (*** AJAX-oriented widgets *)
adamc@601 752
adamc@797 753 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 754 ctx ::: {Unit}
adamc@629 755 -> [[Body] ~ ctx] =>
adamc@797 756 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 757
adamc@892 758 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 759 Ontext = transaction unit] ++ boxAttrs) []
adamc@1047 760 val button : cformTag ([Value = string] ++ boxAttrs) []
adamc@797 761
adamc@1047 762 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxAttrs) []
adamc@817 763
adamc@797 764 con cselect = [Cselect]
adamc@1047 765 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxAttrs) cselect
adamc@797 766 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 767
adamc@1099 768 val ctextarea : cformTag ([Value = string, Rows = int, Cols = int, Source = source string, Onchange = transaction unit,
adamc@1099 769 Ontext = transaction unit] ++ boxAttrs) []
adamc@1099 770
adamc@720 771 (*** Tables *)
adamc@720 772
adamc@892 773 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@1047 774 -> tag ([Border = int] ++ boxAttrs)
adamc@892 775 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 776 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@1047 777 -> tag tableAttrs
adamc@892 778 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 779 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 780 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 781 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 782 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 783 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 784 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 785
adamc@283 786
adamc@283 787 (** Aborting *)
adamc@283 788
adamc@726 789 val error : t ::: Type -> xbody -> t
adamc@720 790
adamc@729 791 (* Client-side-only handlers: *)
adamc@726 792 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 793 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 794 val onConnectFail : transaction unit -> transaction unit
adamc@729 795 val onDisconnect : transaction unit -> transaction unit
adamc@729 796 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 797
adamc@727 798 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)
adamc@1075 799
adamc@1075 800
adamc@1075 801 (** Tasks *)
adamc@1075 802
adamc@1075 803 type task_kind
adamc@1075 804 val initialize : task_kind
adamc@1120 805
adamc@1120 806
adamc@1199 807 (** Information flow security *)
adamc@1199 808
adamc@1199 809 type sql_policy
adamc@1199 810
adamc@1214 811 val sendClient : tables ::: {{Type}} -> exps ::: {Type}
adamc@1214 812 -> [tables ~ exps] => sql_query [] tables exps
adamc@1214 813 -> sql_policy
adamc@1199 814
adamc@1229 815 val sendOwnIds : sql_sequence -> sql_policy
adamc@1229 816
adamc@1220 817 val mayInsert : fs ::: {Type} -> tables ::: {{Type}} -> [[New] ~ tables]
adamc@1220 818 => sql_query [] ([New = fs] ++ tables) []
adamc@1220 819 -> sql_policy
adamc@1220 820
adamc@1221 821 val mayDelete : fs ::: {Type} -> tables ::: {{Type}} -> [[Old] ~ tables]
adamc@1221 822 => sql_query [] ([Old = fs] ++ tables) []
adamc@1221 823 -> sql_policy
adamc@1221 824
adamc@1223 825 val mayUpdate : fs ::: {Type} -> tables ::: {{Type}} -> [[Old, New] ~ tables]
adamc@1223 826 => sql_query [] ([Old = fs, New = fs] ++ tables) []
adamc@1223 827 -> sql_policy
adamc@1223 828
adamc@1240 829 val also : sql_policy -> sql_policy -> sql_policy
adamc@1199 830
adamc@1120 831 val debug : string -> transaction unit
adamc@1250 832
adamc@1250 833 val rand : transaction int