Mercurial > urweb

annotate lib/ur/basis.urs @ 1153:a62ac791f7fb

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
More is*() casts
author Adam Chlipala <adamc@hcoop.net>
date Sat, 06 Feb 2010 20:13:51 -0500
parents b7118ffd32ae
children 5eca51fcd559
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
adamc@256 17 (** Basic type classes *)
adamc@256 18
adamc@256 19 class eq
adamc@256 20 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 21 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 22 val eq_int : eq int
adamc@394 23 val eq_float : eq float
adamc@256 24 val eq_string : eq string
adamc@821 25 val eq_char : eq char
adamc@256 26 val eq_bool : eq bool
adamc@437 27 val eq_time : eq time
adamc@422 28 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 29
adamc@389 30 class num
adamc@417 31 val zero : t ::: Type -> num t -> t
adamc@389 32 val neg : t ::: Type -> num t -> t -> t
adamc@389 33 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 34 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 35 val times : t ::: Type -> num t -> t -> t -> t
adamc@775 36 val divide : t ::: Type -> num t -> t -> t -> t
adamc@389 37 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 38 val num_int : num int
adamc@390 39 val num_float : num float
adamc@389 40
adamc@391 41 class ord
adamc@391 42 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 43 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 44 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 45 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 46 val ord_int : ord int
adamc@394 47 val ord_float : ord float
adamc@394 48 val ord_string : ord string
adamc@821 49 val ord_char : ord char
adamc@394 50 val ord_bool : ord bool
adamc@437 51 val ord_time : ord time
adamc@961 52 val mkOrd : t ::: Type -> {Lt : t -> t -> bool, Le : t -> t -> bool} -> ord t
adamc@391 53
adamc@256 54
adamc@1061 55 (** Character operations *)
adamc@1061 56
adamc@1061 57 val isalnum : char -> bool
adamc@1061 58 val isalpha : char -> bool
adamc@1061 59 val isblank : char -> bool
adamc@1061 60 val iscntrl : char -> bool
adamc@1061 61 val isdigit : char -> bool
adamc@1061 62 val isgraph : char -> bool
adamc@1061 63 val islower : char -> bool
adamc@1061 64 val isprint : char -> bool
adamc@1061 65 val ispunct : char -> bool
adamc@1061 66 val isspace : char -> bool
adamc@1061 67 val isupper : char -> bool
adamc@1061 68 val isxdigit : char -> bool
adamc@1061 69 val tolower : char -> char
adamc@1061 70 val toupper : char -> char
adamc@1128 71 val ord : char -> int
adamc@1128 72 val chr : int -> char
adamc@1061 73
adamc@283 74 (** String operations *)
adamc@283 75
adamc@828 76 val strlen : string -> int
adamc@283 77 val strcat : string -> string -> string
adamc@821 78 val strsub : string -> int -> char
adamc@821 79 val strsuffix : string -> int -> string
adamc@829 80 val strchr : string -> char -> option string
adamc@829 81 val strindex : string -> char -> option int
adamc@831 82 val strcspn : string -> string -> option int
adamc@829 83 val substring : string -> int -> int -> string
adamc@1023 84 val str1 : char -> string
adamc@283 85
adamc@286 86 class show
adamc@286 87 val show : t ::: Type -> show t -> t -> string
adamc@286 88 val show_int : show int
adamc@286 89 val show_float : show float
adamc@286 90 val show_string : show string
adamc@821 91 val show_char : show char
adamc@286 92 val show_bool : show bool
adamc@436 93 val show_time : show time
adamc@452 94 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 95
adamc@290 96 class read
adamc@290 97 val read : t ::: Type -> read t -> string -> option t
adamc@292 98 val readError : t ::: Type -> read t -> string -> t
adamc@292 99 (* [readError] calls [error] if the input is malformed. *)
adamc@290 100 val read_int : read int
adamc@290 101 val read_float : read float
adamc@290 102 val read_string : read string
adamc@821 103 val read_char : read char
adamc@290 104 val read_bool : read bool
adamc@436 105 val read_time : read time
adamc@777 106 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 107
adamc@283 108
adamc@564 109 (** * Monads *)
adamc@564 110
adamc@711 111 class monad :: (Type -> Type) -> Type
adamc@564 112 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 113 -> monad m
adamc@564 114 -> t -> m t
adamc@564 115 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 116 -> monad m
adamc@564 117 -> m t1 -> (t1 -> m t2)
adamc@564 118 -> m t2
adamc@564 119
adamc@456 120 con transaction :: Type -> Type
adamc@564 121 val transaction_monad : monad transaction
adamc@456 122
adamc@565 123 con source :: Type -> Type
adamc@565 124 val source : t ::: Type -> t -> transaction (source t)
adamc@575 125 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 126 val get : t ::: Type -> source t -> transaction t
adamc@565 127
adamc@565 128 con signal :: Type -> Type
adamc@565 129 val signal_monad : monad signal
adamc@565 130 val signal : t ::: Type -> source t -> signal t
adamc@841 131 val current : t ::: Type -> signal t -> transaction t
adamc@456 132
adamc@456 133
adamc@1006 134 (** * Time *)
adamc@1006 135
adamc@1006 136 val now : transaction time
adamc@1050 137 val minTime : time
adamc@1138 138 val minusSeconds : time -> int -> time
adamc@1006 139
adamc@1006 140
adamc@456 141 (** HTTP operations *)
adamc@456 142
adamc@456 143 val requestHeader : string -> transaction (option string)
adamc@456 144
adamc@459 145 con http_cookie :: Type -> Type
adamc@459 146 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@1050 147 val setCookie : t ::: Type -> http_cookie t -> {Value : t,
adamc@1050 148 Expires : option time,
adamc@1050 149 Secure : bool} -> transaction unit
adamc@1050 150 val clearCookie : t ::: Type -> http_cookie t -> transaction unit
adamc@459 151
adamc@456 152
adamc@566 153 (** JavaScript-y gadgets *)
adamc@566 154
adamc@566 155 val alert : string -> transaction unit
adamc@694 156 val spawn : transaction unit -> transaction unit
adamc@695 157 val sleep : int -> transaction unit
adamc@566 158
adamc@908 159 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 160
adamc@566 161
adamc@678 162 (** Channels *)
adamc@678 163
adamc@678 164 con channel :: Type -> Type
adamc@678 165 val channel : t ::: Type -> transaction (channel t)
adamc@678 166 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 167 val recv : t ::: Type -> channel t -> transaction t
adamc@678 168
adamc@682 169 type client
adamc@682 170 val self : transaction client
adamc@682 171
adamc@678 172
adamc@203 173 (** SQL *)
adamc@203 174
adamc@705 175 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 176 con sql_view :: {Type} -> Type
adamc@753 177
adamc@753 178 class fieldsOf :: Type -> {Type} -> Type
adamc@753 179 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 180 -> fieldsOf (sql_table fs keys) fs
adamc@753 181 val fieldsOf_view : fs ::: {Type}
adamc@753 182 -> fieldsOf (sql_view fs) fs
adamc@203 183
adamc@704 184 (*** Constraints *)
adamc@704 185
adamc@707 186 (**** Primary keys *)
adamc@707 187
adamc@707 188 class sql_injectable_prim
adamc@707 189 val sql_bool : sql_injectable_prim bool
adamc@707 190 val sql_int : sql_injectable_prim int
adamc@707 191 val sql_float : sql_injectable_prim float
adamc@707 192 val sql_string : sql_injectable_prim string
adamc@1011 193 val sql_char : sql_injectable_prim char
adamc@707 194 val sql_time : sql_injectable_prim time
adamc@737 195 val sql_blob : sql_injectable_prim blob
adamc@707 196 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 197 val sql_client : sql_injectable_prim client
adamc@707 198
adamc@1104 199 con serialized :: Type -> Type
adamc@1104 200 val serialize : t ::: Type -> t -> serialized t
adamc@1104 201 val deserialize : t ::: Type -> serialized t -> t
adamc@1104 202 val sql_serialized : t ::: Type -> sql_injectable_prim (serialized t)
adamc@1104 203
adamc@707 204 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 205 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 206 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 207 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 208 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 209 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 210 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 211
adamc@707 212 (**** Other constraints *)
adamc@707 213
adamc@705 214 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 215 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 216
adamc@705 217 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 218
adamc@705 219 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 220 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 221 -> sql_constraint fs unique
adamc@705 222 -> sql_constraints fs [name = unique]
adamc@705 223 val join_constraints : fs ::: {Type}
adamc@705 224 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 225 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 226 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 227
adamc@709 228
adamc@705 229 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 230 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 231 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 232
adamc@712 233 class linkable :: Type -> Type -> Type
adamc@712 234 val linkable_same : t ::: Type -> linkable t t
adamc@712 235 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 236 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 237
adamc@709 238 con matching :: {Type} -> {Type} -> Type
adamc@709 239 val mat_nil : matching [] []
adamc@712 240 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 241 -> nm1 :: Name -> nm2 :: Name
adamc@709 242 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 243 => linkable t1 t2
adamc@712 244 -> matching rest1 rest2
adamc@712 245 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 246
adamc@709 247 con propagation_mode :: {Type} -> Type
adamc@709 248 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 249 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 250 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 251 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 252
adamc@709 253
adamc@709 254 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 255 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 256 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 257 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 258 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 259 => matching ([mine1 = t] ++ mine) foreign
adamc@709 260 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 261 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 262 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 263 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 264
adamc@714 265 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@1072 266 val sql_exp_weaken : fs ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1072 267 -> fs' ::: {{Type}} -> agg' ::: {{Type}} -> exps' ::: {Type}
adamc@1072 268 -> [fs ~ fs'] => [agg ~ agg'] => [exps ~ exps'] =>
adamc@1072 269 sql_exp fs agg exps t
adamc@1072 270 -> sql_exp (fs ++ fs') (agg ++ agg') (exps ++ exps') t
adamc@714 271
adamc@714 272 val check : fs ::: {Type}
adamc@714 273 -> sql_exp [] [] fs bool
adamc@714 274 -> sql_constraint fs []
adamc@714 275
adamc@714 276
adamc@204 277 (*** Queries *)
adamc@204 278
adamc@233 279 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 280 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 281
adamc@223 282 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 283 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 284 -> sql_subset
adamc@621 285 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 286 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 287 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@1072 288 val sql_subset_concat : big1 ::: {{Type}} -> little1 ::: {{Type}}
adamc@1072 289 -> big2 ::: {{Type}} -> little2 ::: {{Type}}
adamc@1072 290 -> [big1 ~ big2] => [little1 ~ little2] =>
adamc@1072 291 sql_subset big1 little1
adamc@1072 292 -> sql_subset big2 little2
adamc@1072 293 -> sql_subset (big1 ++ big2) (little1 ++ little2)
adamc@223 294
adamc@748 295 con sql_from_items :: {{Type}} -> Type
adamc@748 296
adamc@753 297 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 298 -> fieldsOf t fs -> name :: Name
adamc@753 299 -> t -> sql_from_items [name = fs]
adamc@748 300 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 301 -> [tabs1 ~ tabs2]
adamc@748 302 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 303 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 304 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 305 -> [tabs1 ~ tabs2]
adamc@749 306 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 307 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 308 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 309
adamc@750 310 class nullify :: Type -> Type -> Type
adamc@750 311 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 312 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 313
adamc@750 314 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 315 -> [tabs1 ~ tabs2]
adamc@750 316 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 317 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 318 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 319 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 320
adamc@751 321 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 322 -> [tabs1 ~ tabs2]
adamc@751 323 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 324 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 325 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 326 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 327
adamc@751 328 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 329 -> [tabs1 ~ tabs2]
adamc@751 330 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 331 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 332 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@751 333 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@751 334 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 335
adamc@748 336 val sql_query1 : tables ::: {{Type}}
adamc@354 337 -> grouped ::: {{Type}}
adamc@354 338 -> selectedFields ::: {{Type}}
adamc@354 339 -> selectedExps ::: {Type}
adamc@1070 340 -> empties :: {Unit}
adamc@1070 341 -> [empties ~ selectedFields]
adamc@1070 342 => {Distinct : bool,
adamc@993 343 From : sql_from_items tables,
adamc@748 344 Where : sql_exp tables [] [] bool,
adamc@748 345 GroupBy : sql_subset tables grouped,
adamc@748 346 Having : sql_exp grouped tables [] bool,
adamc@1070 347 SelectFields : sql_subset grouped (map (fn _ => []) empties ++ selectedFields),
adamc@748 348 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 349 selectedExps) }
adamc@748 350 -> sql_query1 tables selectedFields selectedExps
adamc@229 351
adamc@229 352 type sql_relop
adamc@229 353 val sql_union : sql_relop
adamc@229 354 val sql_intersect : sql_relop
adamc@229 355 val sql_except : sql_relop
adamc@260 356 val sql_relop : tables1 ::: {{Type}}
adamc@354 357 -> tables2 ::: {{Type}}
adamc@354 358 -> selectedFields ::: {{Type}}
adamc@354 359 -> selectedExps ::: {Type}
adamc@354 360 -> sql_relop
adamc@354 361 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 362 -> sql_query1 tables2 selectedFields selectedExps
adamc@1072 363 -> sql_query1 [] selectedFields selectedExps
adamc@1071 364 val sql_forget_tables : tables ::: {{Type}} -> selectedFields ::: {{Type}} -> selectedExps ::: {Type}
adamc@1071 365 -> sql_query1 tables selectedFields selectedExps
adamc@1072 366 -> sql_query1 [] selectedFields selectedExps
adamc@229 367
adamc@230 368 type sql_direction
adamc@230 369 val sql_asc : sql_direction
adamc@230 370 val sql_desc : sql_direction
adamc@230 371
adamc@234 372 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 373 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 374 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 375 -> sql_exp tables [] exps t -> sql_direction
adamc@354 376 -> sql_order_by tables exps
adamc@354 377 -> sql_order_by tables exps
adamc@230 378
adamc@231 379 type sql_limit
adamc@231 380 val sql_no_limit : sql_limit
adamc@231 381 val sql_limit : int -> sql_limit
adamc@354 382
adamc@232 383 type sql_offset
adamc@232 384 val sql_no_offset : sql_offset
adamc@232 385 val sql_offset : int -> sql_offset
adamc@232 386
adamc@229 387 val sql_query : tables ::: {{Type}}
adamc@354 388 -> selectedFields ::: {{Type}}
adamc@354 389 -> selectedExps ::: {Type}
adamc@354 390 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 391 OrderBy : sql_order_by tables selectedExps,
adamc@354 392 Limit : sql_limit,
adamc@354 393 Offset : sql_offset}
adamc@354 394 -> sql_query selectedFields selectedExps
adamc@204 395
adamc@354 396 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 397 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 398 -> exps ::: {Type}
adamc@354 399 -> tab :: Name -> field :: Name
adamc@354 400 -> sql_exp
adamc@354 401 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 402 agg exps fieldType
adamc@234 403
adamc@354 404 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 405 -> nm :: Name
adamc@354 406 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 407
adamc@221 408 class sql_injectable
adamc@676 409 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 410 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 411
adamc@354 412 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 413 -> t ::: Type
adamc@354 414 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 415
adamc@470 416 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 417 -> t ::: Type
adamc@470 418 -> sql_exp tables agg exps (option t)
adamc@470 419 -> sql_exp tables agg exps bool
adamc@470 420
adamc@559 421 class sql_arith
adamc@559 422 val sql_int_arith : sql_arith int
adamc@559 423 val sql_float_arith : sql_arith float
adamc@559 424
adamc@220 425 con sql_unary :: Type -> Type -> Type
adamc@220 426 val sql_not : sql_unary bool bool
adamc@354 427 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 428 -> arg ::: Type -> res ::: Type
adamc@354 429 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 430 -> sql_exp tables agg exps res
adamc@220 431
adamc@559 432 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 433
adamc@220 434 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 435 val sql_and : sql_binary bool bool bool
adamc@220 436 val sql_or : sql_binary bool bool bool
adamc@234 437 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 438 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 439 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 440 -> sql_exp tables agg exps arg2
adamc@354 441 -> sql_exp tables agg exps res
adamc@220 442
adamc@559 443 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 444 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 445 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 446 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 447 val sql_mod : sql_binary int int int
adamc@559 448
adamc@559 449 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 450 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 451 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 452 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 453 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 454 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 455
adamc@235 456 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 457 -> sql_exp tables agg exps int
adamc@235 458
adamc@236 459 con sql_aggregate :: Type -> Type
adamc@354 460 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 461 -> t ::: Type
adamc@354 462 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 463 -> sql_exp tables agg exps t
adamc@236 464
adamc@236 465 class sql_summable
adamc@236 466 val sql_summable_int : sql_summable int
adamc@236 467 val sql_summable_float : sql_summable float
adamc@236 468 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 469 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 470
adamc@236 471 class sql_maxable
adamc@236 472 val sql_maxable_int : sql_maxable int
adamc@236 473 val sql_maxable_float : sql_maxable float
adamc@236 474 val sql_maxable_string : sql_maxable string
adamc@437 475 val sql_maxable_time : sql_maxable time
adamc@236 476 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 477 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 478
adamc@441 479 con sql_nfunc :: Type -> Type
adamc@441 480 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 481 -> t ::: Type
adamc@441 482 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 483 val sql_current_timestamp : sql_nfunc time
adamc@441 484
adamc@746 485 con sql_ufunc :: Type -> Type -> Type
adamc@746 486 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 487 -> dom ::: Type -> ran ::: Type
adamc@746 488 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 489 -> sql_exp tables agg exps ran
adamc@746 490 val sql_octet_length : sql_ufunc blob int
adamc@746 491
adamc@235 492
adamc@1081 493 val sql_nullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@1081 494 -> sql_injectable_prim t
adamc@1081 495 -> sql_exp tables agg exps t
adamc@1081 496 -> sql_exp tables agg exps (option t)
adamc@1081 497
adamc@243 498 (*** Executing queries *)
adamc@243 499
adamc@354 500 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 501 -> [tables ~ exps] =>
adamc@354 502 state ::: Type
adamc@354 503 -> sql_query tables exps
adamc@621 504 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 505 -> state
adamc@354 506 -> transaction state)
adamc@354 507 -> state
adamc@354 508 -> transaction state
adamc@243 509
adamc@243 510
adamc@299 511 (*** Database mutators *)
adamc@299 512
adamc@299 513 type dml
adamc@299 514 val dml : dml -> transaction unit
adamc@299 515
adamc@705 516 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 517 -> sql_table fields uniques
adamc@621 518 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 519 -> dml
adamc@299 520
adamc@705 521 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 522 [changed ~ unchanged] =>
adamc@621 523 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 524 -> sql_table (changed ++ unchanged) uniques
adamc@354 525 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 526 -> dml
adamc@299 527
adamc@705 528 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 529 -> sql_table fields uniques
adamc@354 530 -> sql_exp [T = fields] [] [] bool
adamc@354 531 -> dml
adamc@299 532
adamc@338 533 (*** Sequences *)
adamc@338 534
adamc@338 535 type sql_sequence
adamc@338 536 val nextval : sql_sequence -> transaction int
adamc@1073 537 val setval : sql_sequence -> int -> transaction unit
adamc@338 538
adamc@299 539
adamc@203 540 (** XML *)
adamc@203 541
adamc@721 542 type css_class
adamc@718 543
adamc@720 544 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 545
adamc@720 546 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 547 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 548 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 549 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 550 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 551 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 552 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 553 [useOuter ~ useInner] =>
adamc@629 554 [bindOuter ~ bindInner] =>
adamc@721 555 option css_class
adamc@721 556 -> $attrsGiven
adamc@629 557 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 558 ctxOuter ctxInner useOuter bindOuter
adamc@720 559 -> xml ctxInner useInner bindInner
adamc@720 560 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 561 val join : ctx ::: {Unit}
adamc@720 562 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 563 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 564 xml ctx use1 bind1
adamc@720 565 -> xml ctx (use1 ++ bind1) bind2
adamc@720 566 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 567 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 568 -> bind ::: {Type}
adamc@629 569 -> [use1 ~ use2] =>
adamc@720 570 xml ctx use1 bind
adamc@720 571 -> xml ctx (use1 ++ use2) bind
adamc@91 572
adamc@110 573 con xhtml = xml [Html]
adamc@139 574 con page = xhtml [] []
adamc@720 575 con xbody = xml [Body] [] []
adamc@720 576 con xtr = xml [Body, Tr] [] []
adamc@720 577 con xform = xml [Body, Form] [] []
adamc@110 578
adamc@718 579
adamc@204 580 (*** HTML details *)
adamc@204 581
adamc@140 582 con html = [Html]
adamc@140 583 con head = [Head]
adamc@140 584 con body = [Body]
adamc@361 585 con form = [Body, Form]
adamc@760 586 con subform = [Body, Subform]
adamc@332 587 con tabl = [Body, Table]
adamc@332 588 con tr = [Body, Tr]
adamc@93 589
adamc@724 590 type url
adamc@1065 591 val show_url : show url
adamc@724 592 val bless : string -> url
adamc@770 593 val checkUrl : string -> option url
adamc@1085 594 val currentUrl : transaction url
adamc@1065 595 val url : transaction page -> url
adamc@1065 596 val redirect : t ::: Type -> url -> transaction t
adamc@724 597
adamc@847 598 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 599 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 600
adamc@720 601 val head : unit -> tag [] html head [] []
adamc@720 602 val title : unit -> tag [] head [] [] []
adamc@1047 603 val link : unit -> tag [Id = string, Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 604
adamc@892 605 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 606 html body [] []
adamc@354 607 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 608 ctx ::: {Unit} ->
adamc@629 609 [[Body] ~ ctx] =>
adamc@720 610 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 611 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 612 ctx ::: {Unit}
adamc@629 613 -> [[Body] ~ ctx] =>
adamc@720 614 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 615
adamc@1047 616 val br : bodyTagStandalone [Id = int]
adamc@119 617
adamc@892 618 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 619 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 620 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 621 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 622 Onmouseup = transaction unit]
adamc@895 623 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 624 Onkeyup = int -> transaction unit]
adamc@895 625 (* Key arguments are character codes. *)
adamc@892 626 con resizeEvents = [Onresize = transaction unit]
adamc@691 627
adamc@892 628 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 629 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 630
adamc@1047 631 con boxAttrs = [Id = string] ++ boxEvents
adamc@1047 632 con tableAttrs = [Id = string] ++ tableEvents
adamc@469 633
adamc@1047 634 val span : bodyTag boxAttrs
adamc@1047 635 val div : bodyTag boxAttrs
adamc@140 636
adamc@1047 637 val p : bodyTag boxAttrs
adamc@1047 638 val b : bodyTag boxAttrs
adamc@1047 639 val i : bodyTag boxAttrs
adamc@1047 640 val tt : bodyTag boxAttrs
adamc@410 641
adamc@1047 642 val h1 : bodyTag boxAttrs
adamc@1047 643 val h2 : bodyTag boxAttrs
adamc@1047 644 val h3 : bodyTag boxAttrs
adamc@1047 645 val h4 : bodyTag boxAttrs
adamc@1047 646 val h5 : bodyTag boxAttrs
adamc@1047 647 val h6 : bodyTag boxAttrs
adamc@717 648
adamc@1047 649 val li : bodyTag boxAttrs
adamc@1047 650 val ol : bodyTag boxAttrs
adamc@1047 651 val ul : bodyTag boxAttrs
adamc@140 652
adamc@1047 653 val hr : bodyTag boxAttrs
adamc@1047 654
adamc@1047 655 val a : bodyTag ([Link = transaction page, Href = url] ++ boxAttrs)
adamc@892 656
adamc@1129 657 val img : bodyTag ([Src = url, Width = int, Height = int,
adamc@1129 658 Onabort = transaction unit, Onerror = transaction unit,
adamc@1047 659 Onload = transaction unit] ++ boxAttrs)
adamc@892 660
adamc@720 661 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@1120 662 -> [[Body, Form, Table] ~ ctx] =>
adamc@1004 663 xml ([Body, Form] ++ ctx) [] bind
adamc@756 664 -> xml ([Body] ++ ctx) [] []
adamc@756 665
adamc@756 666 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 667 -> [[Form] ~ ctx] =>
adamc@756 668 nm :: Name -> [[nm] ~ use] =>
adamc@1004 669 xml ([Form] ++ ctx) [] bind
adamc@756 670 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 671
adamc@758 672 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@1004 673 -> [[Form, Subform] ~ ctx] =>
adamc@758 674 nm :: Name -> [[nm] ~ use] =>
adamc@1004 675 xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 676 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 677
adamc@758 678 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@1004 679 -> [[Subform, Form] ~ ctx] =>
adamc@1004 680 xml ([Form] ++ ctx) [] bind
adamc@758 681 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 682
adamc@361 683 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 684 ctx ::: {Unit}
adamc@629 685 -> [[Form] ~ ctx] =>
adamc@354 686 nm :: Name -> unit
adamc@720 687 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@1047 688 val hidden : formTag string [] [Id = string, Value = string]
adamc@892 689 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 690 Ontext = transaction unit] ++ boxAttrs)
adamc@1047 691 val password : formTag string [] ([Value = string, Size = int] ++ boxAttrs)
adamc@892 692 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@1047 693 Ontext = transaction unit] ++ boxAttrs)
adamc@153 694
adamc@1047 695 val checkbox : formTag bool [] ([Checked = bool] ++ boxAttrs)
adamc@190 696
adamc@737 697 type file
adamc@737 698 val fileName : file -> option string
adamc@740 699 val fileMimeType : file -> string
adamc@737 700 val fileData : file -> blob
adamc@737 701
adamc@1047 702 val upload : formTag file [] ([Value = string, Size = int] ++ boxAttrs)
adamc@737 703
adamc@741 704 type mimeType
adamc@741 705 val blessMime : string -> mimeType
adamc@770 706 val checkMime : string -> option mimeType
adamc@741 707 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 708 val blobSize : blob -> int
adamc@1119 709 val textBlob : string -> blob
adamc@741 710
adamc@153 711 con radio = [Body, Radio]
adamc@1047 712 val radio : formTag string radio [Id = string]
adamc@1068 713 val radioOption : unit -> tag ([Value = string, Checked = bool] ++ boxAttrs) radio [] [] []
adamc@142 714
adamc@154 715 con select = [Select]
adamc@1047 716 val select : formTag string select ([Onchange = transaction unit] ++ boxAttrs)
adamc@720 717 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 718
adamc@720 719 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 720 -> [[Form] ~ ctx] =>
adamc@354 721 unit
adamc@1047 722 -> tag ([Value = string, Action = $use -> transaction page] ++ boxAttrs)
adamc@720 723 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 724
adamc@1047 725 val label : bodyTag ([For = string, Accesskey = string] ++ tableAttrs)
adamc@1047 726
adamc@1047 727
adamc@601 728 (*** AJAX-oriented widgets *)
adamc@601 729
adamc@797 730 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 731 ctx ::: {Unit}
adamc@629 732 -> [[Body] ~ ctx] =>
adamc@797 733 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 734
adamc@892 735 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@1047 736 Ontext = transaction unit] ++ boxAttrs) []
adamc@1047 737 val button : cformTag ([Value = string] ++ boxAttrs) []
adamc@797 738
adamc@1047 739 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxAttrs) []
adamc@817 740
adamc@797 741 con cselect = [Cselect]
adamc@1047 742 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxAttrs) cselect
adamc@797 743 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 744
adamc@1099 745 val ctextarea : cformTag ([Value = string, Rows = int, Cols = int, Source = source string, Onchange = transaction unit,
adamc@1099 746 Ontext = transaction unit] ++ boxAttrs) []
adamc@1099 747
adamc@720 748 (*** Tables *)
adamc@720 749
adamc@892 750 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@1047 751 -> tag ([Border = int] ++ boxAttrs)
adamc@892 752 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 753 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@1047 754 -> tag tableAttrs
adamc@892 755 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 756 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 757 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 758 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 759 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@1047 760 -> tag ([Colspan = int] ++ tableAttrs)
adamc@892 761 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 762
adamc@283 763
adamc@283 764 (** Aborting *)
adamc@283 765
adamc@726 766 val error : t ::: Type -> xbody -> t
adamc@720 767
adamc@729 768 (* Client-side-only handlers: *)
adamc@726 769 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 770 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 771 val onConnectFail : transaction unit -> transaction unit
adamc@729 772 val onDisconnect : transaction unit -> transaction unit
adamc@729 773 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 774
adamc@727 775 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)
adamc@1075 776
adamc@1075 777
adamc@1075 778 (** Tasks *)
adamc@1075 779
adamc@1075 780 type task_kind
adamc@1075 781 val initialize : task_kind
adamc@1120 782
adamc@1120 783
adamc@1120 784 val debug : string -> transaction unit