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annotate lib/ur/basis.urs @ 1019:68ba074e260f

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author Adam Chlipala <adamc@hcoop.net>
date Sun, 25 Oct 2009 13:12:24 -0400
parents 16f7cb0891b6
children e46227efcbba
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@283 55 (** String operations *)
adamc@283 56
adamc@828 57 val strlen : string -> int
adamc@283 58 val strcat : string -> string -> string
adamc@821 59 val strsub : string -> int -> char
adamc@821 60 val strsuffix : string -> int -> string
adamc@829 61 val strchr : string -> char -> option string
adamc@829 62 val strindex : string -> char -> option int
adamc@831 63 val strcspn : string -> string -> option int
adamc@829 64 val substring : string -> int -> int -> string
adamc@283 65
adamc@286 66 class show
adamc@286 67 val show : t ::: Type -> show t -> t -> string
adamc@286 68 val show_int : show int
adamc@286 69 val show_float : show float
adamc@286 70 val show_string : show string
adamc@821 71 val show_char : show char
adamc@286 72 val show_bool : show bool
adamc@436 73 val show_time : show time
adamc@452 74 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 75
adamc@290 76 class read
adamc@290 77 val read : t ::: Type -> read t -> string -> option t
adamc@292 78 val readError : t ::: Type -> read t -> string -> t
adamc@292 79 (* [readError] calls [error] if the input is malformed. *)
adamc@290 80 val read_int : read int
adamc@290 81 val read_float : read float
adamc@290 82 val read_string : read string
adamc@821 83 val read_char : read char
adamc@290 84 val read_bool : read bool
adamc@436 85 val read_time : read time
adamc@777 86 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 87
adamc@283 88
adamc@564 89 (** * Monads *)
adamc@564 90
adamc@711 91 class monad :: (Type -> Type) -> Type
adamc@564 92 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 93 -> monad m
adamc@564 94 -> t -> m t
adamc@564 95 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 96 -> monad m
adamc@564 97 -> m t1 -> (t1 -> m t2)
adamc@564 98 -> m t2
adamc@564 99
adamc@456 100 con transaction :: Type -> Type
adamc@564 101 val transaction_monad : monad transaction
adamc@456 102
adamc@565 103 con source :: Type -> Type
adamc@565 104 val source : t ::: Type -> t -> transaction (source t)
adamc@575 105 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 106 val get : t ::: Type -> source t -> transaction t
adamc@565 107
adamc@565 108 con signal :: Type -> Type
adamc@565 109 val signal_monad : monad signal
adamc@565 110 val signal : t ::: Type -> source t -> signal t
adamc@841 111 val current : t ::: Type -> signal t -> transaction t
adamc@456 112
adamc@456 113
adamc@1006 114 (** * Time *)
adamc@1006 115
adamc@1006 116 val now : transaction time
adamc@1006 117
adamc@1006 118
adamc@456 119 (** HTTP operations *)
adamc@456 120
adamc@456 121 val requestHeader : string -> transaction (option string)
adamc@456 122
adamc@459 123 con http_cookie :: Type -> Type
adamc@459 124 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 125 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 126
adamc@456 127
adamc@566 128 (** JavaScript-y gadgets *)
adamc@566 129
adamc@566 130 val alert : string -> transaction unit
adamc@694 131 val spawn : transaction unit -> transaction unit
adamc@695 132 val sleep : int -> transaction unit
adamc@566 133
adamc@908 134 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 135
adamc@566 136
adamc@678 137 (** Channels *)
adamc@678 138
adamc@678 139 con channel :: Type -> Type
adamc@678 140 val channel : t ::: Type -> transaction (channel t)
adamc@678 141 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 142 val recv : t ::: Type -> channel t -> transaction t
adamc@678 143
adamc@682 144 type client
adamc@682 145 val self : transaction client
adamc@682 146
adamc@678 147
adamc@203 148 (** SQL *)
adamc@203 149
adamc@705 150 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 151 con sql_view :: {Type} -> Type
adamc@753 152
adamc@753 153 class fieldsOf :: Type -> {Type} -> Type
adamc@753 154 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 155 -> fieldsOf (sql_table fs keys) fs
adamc@753 156 val fieldsOf_view : fs ::: {Type}
adamc@753 157 -> fieldsOf (sql_view fs) fs
adamc@203 158
adamc@704 159 (*** Constraints *)
adamc@704 160
adamc@707 161 (**** Primary keys *)
adamc@707 162
adamc@707 163 class sql_injectable_prim
adamc@707 164 val sql_bool : sql_injectable_prim bool
adamc@707 165 val sql_int : sql_injectable_prim int
adamc@707 166 val sql_float : sql_injectable_prim float
adamc@707 167 val sql_string : sql_injectable_prim string
adamc@1011 168 val sql_char : sql_injectable_prim char
adamc@707 169 val sql_time : sql_injectable_prim time
adamc@737 170 val sql_blob : sql_injectable_prim blob
adamc@707 171 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 172 val sql_client : sql_injectable_prim client
adamc@707 173
adamc@707 174 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 175 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 176 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 177 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 178 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 179 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 180 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 181
adamc@707 182 (**** Other constraints *)
adamc@707 183
adamc@705 184 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 185 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 186
adamc@705 187 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 188
adamc@705 189 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 190 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 191 -> sql_constraint fs unique
adamc@705 192 -> sql_constraints fs [name = unique]
adamc@705 193 val join_constraints : fs ::: {Type}
adamc@705 194 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 195 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 196 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 197
adamc@709 198
adamc@705 199 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 200 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 201 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 202
adamc@712 203 class linkable :: Type -> Type -> Type
adamc@712 204 val linkable_same : t ::: Type -> linkable t t
adamc@712 205 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 206 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 207
adamc@709 208 con matching :: {Type} -> {Type} -> Type
adamc@709 209 val mat_nil : matching [] []
adamc@712 210 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 211 -> nm1 :: Name -> nm2 :: Name
adamc@709 212 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 213 => linkable t1 t2
adamc@712 214 -> matching rest1 rest2
adamc@712 215 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 216
adamc@709 217 con propagation_mode :: {Type} -> Type
adamc@709 218 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 219 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 220 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 221 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 222
adamc@709 223
adamc@709 224 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 225 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 226 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 227 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 228 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 229 => matching ([mine1 = t] ++ mine) foreign
adamc@709 230 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 231 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 232 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 233 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 234
adamc@714 235 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@714 236
adamc@714 237 val check : fs ::: {Type}
adamc@714 238 -> sql_exp [] [] fs bool
adamc@714 239 -> sql_constraint fs []
adamc@714 240
adamc@714 241
adamc@704 242
adamc@204 243 (*** Queries *)
adamc@204 244
adamc@233 245 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 246 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 247
adamc@223 248 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 249 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 250 -> sql_subset
adamc@621 251 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 252 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 253 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 254
adamc@748 255 con sql_from_items :: {{Type}} -> Type
adamc@748 256
adamc@753 257 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 258 -> fieldsOf t fs -> name :: Name
adamc@753 259 -> t -> sql_from_items [name = fs]
adamc@748 260 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 261 -> [tabs1 ~ tabs2]
adamc@748 262 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 263 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 264 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 265 -> [tabs1 ~ tabs2]
adamc@749 266 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 267 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 268 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 269
adamc@750 270 class nullify :: Type -> Type -> Type
adamc@750 271 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 272 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 273
adamc@750 274 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 275 -> [tabs1 ~ tabs2]
adamc@750 276 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 277 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 278 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 279 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 280
adamc@751 281 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 282 -> [tabs1 ~ tabs2]
adamc@751 283 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 284 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 285 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 286 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 287
adamc@751 288 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 289 -> [tabs1 ~ tabs2]
adamc@751 290 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 291 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 292 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@751 293 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@751 294 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 295
adamc@748 296 val sql_query1 : tables ::: {{Type}}
adamc@354 297 -> grouped ::: {{Type}}
adamc@354 298 -> selectedFields ::: {{Type}}
adamc@354 299 -> selectedExps ::: {Type}
adamc@993 300 -> {Distinct : bool,
adamc@993 301 From : sql_from_items tables,
adamc@748 302 Where : sql_exp tables [] [] bool,
adamc@748 303 GroupBy : sql_subset tables grouped,
adamc@748 304 Having : sql_exp grouped tables [] bool,
adamc@354 305 SelectFields : sql_subset grouped selectedFields,
adamc@748 306 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 307 selectedExps) }
adamc@748 308 -> sql_query1 tables selectedFields selectedExps
adamc@229 309
adamc@229 310 type sql_relop
adamc@229 311 val sql_union : sql_relop
adamc@229 312 val sql_intersect : sql_relop
adamc@229 313 val sql_except : sql_relop
adamc@260 314 val sql_relop : tables1 ::: {{Type}}
adamc@354 315 -> tables2 ::: {{Type}}
adamc@354 316 -> selectedFields ::: {{Type}}
adamc@354 317 -> selectedExps ::: {Type}
adamc@354 318 -> sql_relop
adamc@354 319 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 320 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 321 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 322
adamc@230 323 type sql_direction
adamc@230 324 val sql_asc : sql_direction
adamc@230 325 val sql_desc : sql_direction
adamc@230 326
adamc@234 327 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 328 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 329 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 330 -> sql_exp tables [] exps t -> sql_direction
adamc@354 331 -> sql_order_by tables exps
adamc@354 332 -> sql_order_by tables exps
adamc@230 333
adamc@231 334 type sql_limit
adamc@231 335 val sql_no_limit : sql_limit
adamc@231 336 val sql_limit : int -> sql_limit
adamc@354 337
adamc@232 338 type sql_offset
adamc@232 339 val sql_no_offset : sql_offset
adamc@232 340 val sql_offset : int -> sql_offset
adamc@232 341
adamc@229 342 val sql_query : tables ::: {{Type}}
adamc@354 343 -> selectedFields ::: {{Type}}
adamc@354 344 -> selectedExps ::: {Type}
adamc@354 345 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 346 OrderBy : sql_order_by tables selectedExps,
adamc@354 347 Limit : sql_limit,
adamc@354 348 Offset : sql_offset}
adamc@354 349 -> sql_query selectedFields selectedExps
adamc@204 350
adamc@354 351 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 352 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 353 -> exps ::: {Type}
adamc@354 354 -> tab :: Name -> field :: Name
adamc@354 355 -> sql_exp
adamc@354 356 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 357 agg exps fieldType
adamc@234 358
adamc@354 359 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 360 -> nm :: Name
adamc@354 361 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 362
adamc@221 363 class sql_injectable
adamc@676 364 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 365 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 366
adamc@354 367 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 368 -> t ::: Type
adamc@354 369 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 370
adamc@470 371 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 372 -> t ::: Type
adamc@470 373 -> sql_exp tables agg exps (option t)
adamc@470 374 -> sql_exp tables agg exps bool
adamc@470 375
adamc@559 376 class sql_arith
adamc@559 377 val sql_int_arith : sql_arith int
adamc@559 378 val sql_float_arith : sql_arith float
adamc@559 379
adamc@220 380 con sql_unary :: Type -> Type -> Type
adamc@220 381 val sql_not : sql_unary bool bool
adamc@354 382 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 383 -> arg ::: Type -> res ::: Type
adamc@354 384 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 385 -> sql_exp tables agg exps res
adamc@220 386
adamc@559 387 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 388
adamc@220 389 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 390 val sql_and : sql_binary bool bool bool
adamc@220 391 val sql_or : sql_binary bool bool bool
adamc@234 392 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 393 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 394 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 395 -> sql_exp tables agg exps arg2
adamc@354 396 -> sql_exp tables agg exps res
adamc@220 397
adamc@559 398 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 399 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 400 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 401 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 402 val sql_mod : sql_binary int int int
adamc@559 403
adamc@559 404 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 405 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 406 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 407 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 408 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 409 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 410
adamc@235 411 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 412 -> sql_exp tables agg exps int
adamc@235 413
adamc@236 414 con sql_aggregate :: Type -> Type
adamc@354 415 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 416 -> t ::: Type
adamc@354 417 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 418 -> sql_exp tables agg exps t
adamc@236 419
adamc@236 420 class sql_summable
adamc@236 421 val sql_summable_int : sql_summable int
adamc@236 422 val sql_summable_float : sql_summable float
adamc@236 423 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 424 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 425
adamc@236 426 class sql_maxable
adamc@236 427 val sql_maxable_int : sql_maxable int
adamc@236 428 val sql_maxable_float : sql_maxable float
adamc@236 429 val sql_maxable_string : sql_maxable string
adamc@437 430 val sql_maxable_time : sql_maxable time
adamc@236 431 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 432 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 433
adamc@441 434 con sql_nfunc :: Type -> Type
adamc@441 435 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 436 -> t ::: Type
adamc@441 437 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 438 val sql_current_timestamp : sql_nfunc time
adamc@441 439
adamc@746 440 con sql_ufunc :: Type -> Type -> Type
adamc@746 441 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 442 -> dom ::: Type -> ran ::: Type
adamc@746 443 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 444 -> sql_exp tables agg exps ran
adamc@746 445 val sql_octet_length : sql_ufunc blob int
adamc@746 446
adamc@235 447
adamc@243 448 (*** Executing queries *)
adamc@243 449
adamc@354 450 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 451 -> [tables ~ exps] =>
adamc@354 452 state ::: Type
adamc@354 453 -> sql_query tables exps
adamc@621 454 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 455 -> state
adamc@354 456 -> transaction state)
adamc@354 457 -> state
adamc@354 458 -> transaction state
adamc@243 459
adamc@243 460
adamc@299 461 (*** Database mutators *)
adamc@299 462
adamc@299 463 type dml
adamc@299 464 val dml : dml -> transaction unit
adamc@299 465
adamc@705 466 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 467 -> sql_table fields uniques
adamc@621 468 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 469 -> dml
adamc@299 470
adamc@705 471 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 472 [changed ~ unchanged] =>
adamc@621 473 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 474 -> sql_table (changed ++ unchanged) uniques
adamc@354 475 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 476 -> dml
adamc@299 477
adamc@705 478 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 479 -> sql_table fields uniques
adamc@354 480 -> sql_exp [T = fields] [] [] bool
adamc@354 481 -> dml
adamc@299 482
adamc@338 483 (*** Sequences *)
adamc@338 484
adamc@338 485 type sql_sequence
adamc@338 486 val nextval : sql_sequence -> transaction int
adamc@338 487
adamc@299 488
adamc@203 489 (** XML *)
adamc@203 490
adamc@721 491 type css_class
adamc@718 492
adamc@720 493 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 494
adamc@720 495 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 496 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 497 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 498 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 499 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 500 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 501 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 502 [useOuter ~ useInner] =>
adamc@629 503 [bindOuter ~ bindInner] =>
adamc@721 504 option css_class
adamc@721 505 -> $attrsGiven
adamc@629 506 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 507 ctxOuter ctxInner useOuter bindOuter
adamc@720 508 -> xml ctxInner useInner bindInner
adamc@720 509 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 510 val join : ctx ::: {Unit}
adamc@720 511 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 512 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 513 xml ctx use1 bind1
adamc@720 514 -> xml ctx (use1 ++ bind1) bind2
adamc@720 515 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 516 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 517 -> bind ::: {Type}
adamc@629 518 -> [use1 ~ use2] =>
adamc@720 519 xml ctx use1 bind
adamc@720 520 -> xml ctx (use1 ++ use2) bind
adamc@91 521
adamc@110 522 con xhtml = xml [Html]
adamc@139 523 con page = xhtml [] []
adamc@720 524 con xbody = xml [Body] [] []
adamc@720 525 con xtr = xml [Body, Tr] [] []
adamc@720 526 con xform = xml [Body, Form] [] []
adamc@110 527
adamc@718 528
adamc@204 529 (*** HTML details *)
adamc@204 530
adamc@140 531 con html = [Html]
adamc@140 532 con head = [Head]
adamc@140 533 con body = [Body]
adamc@361 534 con form = [Body, Form]
adamc@760 535 con subform = [Body, Subform]
adamc@332 536 con tabl = [Body, Table]
adamc@332 537 con tr = [Body, Tr]
adamc@93 538
adamc@724 539 type url
adamc@724 540 val bless : string -> url
adamc@770 541 val checkUrl : string -> option url
adamc@724 542
adamc@847 543 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 544 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 545
adamc@720 546 val head : unit -> tag [] html head [] []
adamc@720 547 val title : unit -> tag [] head [] [] []
adamc@724 548 val link : unit -> tag [Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 549
adamc@892 550 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 551 html body [] []
adamc@354 552 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 553 ctx ::: {Unit} ->
adamc@629 554 [[Body] ~ ctx] =>
adamc@720 555 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 556 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 557 ctx ::: {Unit}
adamc@629 558 -> [[Body] ~ ctx] =>
adamc@720 559 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 560
adamc@141 561 val br : bodyTagStandalone []
adamc@119 562
adamc@892 563 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 564 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 565 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 566 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 567 Onmouseup = transaction unit]
adamc@895 568 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 569 Onkeyup = int -> transaction unit]
adamc@895 570 (* Key arguments are character codes. *)
adamc@892 571 con resizeEvents = [Onresize = transaction unit]
adamc@691 572
adamc@892 573 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 574 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 575
adamc@892 576 val span : bodyTag boxEvents
adamc@892 577 val div : bodyTag boxEvents
adamc@469 578
adamc@892 579 val p : bodyTag boxEvents
adamc@892 580 val b : bodyTag boxEvents
adamc@892 581 val i : bodyTag boxEvents
adamc@892 582 val tt : bodyTag boxEvents
adamc@140 583
adamc@892 584 val h1 : bodyTag boxEvents
adamc@892 585 val h2 : bodyTag boxEvents
adamc@892 586 val h3 : bodyTag boxEvents
adamc@892 587 val h4 : bodyTag boxEvents
adamc@893 588 val h5 : bodyTag boxEvents
adamc@893 589 val h6 : bodyTag boxEvents
adamc@410 590
adamc@892 591 val li : bodyTag boxEvents
adamc@892 592 val ol : bodyTag boxEvents
adamc@892 593 val ul : bodyTag boxEvents
adamc@717 594
adamc@892 595 val hr : bodyTag boxEvents
adamc@140 596
adamc@892 597 val a : bodyTag ([Link = transaction page, Href = url] ++ boxEvents)
adamc@892 598
adamc@892 599 val img : bodyTag ([Src = url, Onabort = transaction unit, Onerror = transaction unit,
adamc@892 600 Onload = transaction unit] ++ boxEvents)
adamc@892 601
adamc@720 602 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@1004 603 -> [[Body, Form] ~ ctx] =>
adamc@1004 604 xml ([Body, Form] ++ ctx) [] bind
adamc@756 605 -> xml ([Body] ++ ctx) [] []
adamc@756 606
adamc@756 607 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 608 -> [[Form] ~ ctx] =>
adamc@756 609 nm :: Name -> [[nm] ~ use] =>
adamc@1004 610 xml ([Form] ++ ctx) [] bind
adamc@756 611 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 612
adamc@758 613 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@1004 614 -> [[Form, Subform] ~ ctx] =>
adamc@758 615 nm :: Name -> [[nm] ~ use] =>
adamc@1004 616 xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 617 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 618
adamc@758 619 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@1004 620 -> [[Subform, Form] ~ ctx] =>
adamc@1004 621 xml ([Form] ++ ctx) [] bind
adamc@758 622 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 623
adamc@361 624 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 625 ctx ::: {Unit}
adamc@629 626 -> [[Form] ~ ctx] =>
adamc@354 627 nm :: Name -> unit
adamc@720 628 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@761 629 val hidden : formTag string [] [Value = string]
adamc@892 630 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@892 631 Ontext = transaction unit] ++ boxEvents)
adamc@892 632 val password : formTag string [] ([Value = string, Size = int] ++ boxEvents)
adamc@892 633 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@892 634 Ontext = transaction unit] ++ boxEvents)
adamc@153 635
adamc@892 636 val checkbox : formTag bool [] ([Checked = bool] ++ boxEvents)
adamc@190 637
adamc@737 638 type file
adamc@737 639 val fileName : file -> option string
adamc@740 640 val fileMimeType : file -> string
adamc@737 641 val fileData : file -> blob
adamc@737 642
adamc@892 643 val upload : formTag file [] ([Value = string, Size = int] ++ boxEvents)
adamc@737 644
adamc@741 645 type mimeType
adamc@741 646 val blessMime : string -> mimeType
adamc@770 647 val checkMime : string -> option mimeType
adamc@741 648 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 649 val blobSize : blob -> int
adamc@741 650
adamc@153 651 con radio = [Body, Radio]
adamc@361 652 val radio : formTag string radio []
adamc@892 653 val radioOption : unit -> tag ([Value = string] ++ boxEvents) radio [] [] []
adamc@142 654
adamc@154 655 con select = [Select]
adamc@892 656 val select : formTag string select ([Onchange = transaction unit] ++ boxEvents)
adamc@720 657 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 658
adamc@720 659 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 660 -> [[Form] ~ ctx] =>
adamc@354 661 unit
adamc@892 662 -> tag ([Value = string, Action = $use -> transaction page] ++ boxEvents)
adamc@720 663 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 664
adamc@601 665 (*** AJAX-oriented widgets *)
adamc@601 666
adamc@797 667 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 668 ctx ::: {Unit}
adamc@629 669 -> [[Body] ~ ctx] =>
adamc@797 670 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 671
adamc@892 672 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@892 673 Ontext = transaction unit] ++ boxEvents) []
adamc@892 674 val button : cformTag ([Value = string] ++ boxEvents) []
adamc@797 675
adamc@892 676 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxEvents) []
adamc@817 677
adamc@797 678 con cselect = [Cselect]
adamc@892 679 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxEvents) cselect
adamc@797 680 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 681
adamc@720 682 (*** Tables *)
adamc@720 683
adamc@892 684 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@892 685 -> tag ([Border = int] ++ boxEvents)
adamc@892 686 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 687 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@892 688 -> tag tableEvents
adamc@892 689 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 690 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@941 691 -> tag ([Colspan = int] ++ tableEvents)
adamc@892 692 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 693 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@941 694 -> tag ([Colspan = int] ++ tableEvents)
adamc@892 695 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 696
adamc@283 697
adamc@283 698 (** Aborting *)
adamc@283 699
adamc@726 700 val error : t ::: Type -> xbody -> t
adamc@720 701
adamc@729 702 (* Client-side-only handlers: *)
adamc@726 703 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 704 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 705 val onConnectFail : transaction unit -> transaction unit
adamc@729 706 val onDisconnect : transaction unit -> transaction unit
adamc@729 707 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 708
adamc@727 709 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)