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Versioned1 demo working
author Adam Chlipala <adamc@hcoop.net>
date Tue, 06 Oct 2009 17:36:45 -0400
parents 10114d7b7477
children a87495bcaeec
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@456 114 (** HTTP operations *)
adamc@456 115
adamc@456 116 val requestHeader : string -> transaction (option string)
adamc@456 117
adamc@459 118 con http_cookie :: Type -> Type
adamc@459 119 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 120 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 121
adamc@456 122
adamc@566 123 (** JavaScript-y gadgets *)
adamc@566 124
adamc@566 125 val alert : string -> transaction unit
adamc@694 126 val spawn : transaction unit -> transaction unit
adamc@695 127 val sleep : int -> transaction unit
adamc@566 128
adamc@908 129 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 130
adamc@566 131
adamc@678 132 (** Channels *)
adamc@678 133
adamc@678 134 con channel :: Type -> Type
adamc@678 135 val channel : t ::: Type -> transaction (channel t)
adamc@678 136 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 137 val recv : t ::: Type -> channel t -> transaction t
adamc@678 138
adamc@682 139 type client
adamc@682 140 val self : transaction client
adamc@682 141
adamc@678 142
adamc@203 143 (** SQL *)
adamc@203 144
adamc@705 145 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 146 con sql_view :: {Type} -> Type
adamc@753 147
adamc@753 148 class fieldsOf :: Type -> {Type} -> Type
adamc@753 149 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 150 -> fieldsOf (sql_table fs keys) fs
adamc@753 151 val fieldsOf_view : fs ::: {Type}
adamc@753 152 -> fieldsOf (sql_view fs) fs
adamc@203 153
adamc@704 154 (*** Constraints *)
adamc@704 155
adamc@707 156 (**** Primary keys *)
adamc@707 157
adamc@707 158 class sql_injectable_prim
adamc@707 159 val sql_bool : sql_injectable_prim bool
adamc@707 160 val sql_int : sql_injectable_prim int
adamc@707 161 val sql_float : sql_injectable_prim float
adamc@707 162 val sql_string : sql_injectable_prim string
adamc@707 163 val sql_time : sql_injectable_prim time
adamc@737 164 val sql_blob : sql_injectable_prim blob
adamc@707 165 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 166 val sql_client : sql_injectable_prim client
adamc@707 167
adamc@707 168 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 169 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 170 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 171 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 172 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 173 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 174 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 175
adamc@707 176 (**** Other constraints *)
adamc@707 177
adamc@705 178 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 179 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 180
adamc@705 181 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 182
adamc@705 183 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 184 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 185 -> sql_constraint fs unique
adamc@705 186 -> sql_constraints fs [name = unique]
adamc@705 187 val join_constraints : fs ::: {Type}
adamc@705 188 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 189 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 190 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 191
adamc@709 192
adamc@705 193 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 194 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 195 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 196
adamc@712 197 class linkable :: Type -> Type -> Type
adamc@712 198 val linkable_same : t ::: Type -> linkable t t
adamc@712 199 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 200 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 201
adamc@709 202 con matching :: {Type} -> {Type} -> Type
adamc@709 203 val mat_nil : matching [] []
adamc@712 204 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 205 -> nm1 :: Name -> nm2 :: Name
adamc@709 206 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 207 => linkable t1 t2
adamc@712 208 -> matching rest1 rest2
adamc@712 209 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 210
adamc@709 211 con propagation_mode :: {Type} -> Type
adamc@709 212 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 213 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 214 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 215 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 216
adamc@709 217
adamc@709 218 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 219 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 220 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 221 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 222 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 223 => matching ([mine1 = t] ++ mine) foreign
adamc@709 224 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 225 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 226 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 227 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 228
adamc@714 229 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@714 230
adamc@714 231 val check : fs ::: {Type}
adamc@714 232 -> sql_exp [] [] fs bool
adamc@714 233 -> sql_constraint fs []
adamc@714 234
adamc@714 235
adamc@704 236
adamc@204 237 (*** Queries *)
adamc@204 238
adamc@233 239 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 240 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 241
adamc@223 242 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 243 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 244 -> sql_subset
adamc@621 245 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 246 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 247 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 248
adamc@748 249 con sql_from_items :: {{Type}} -> Type
adamc@748 250
adamc@753 251 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 252 -> fieldsOf t fs -> name :: Name
adamc@753 253 -> t -> sql_from_items [name = fs]
adamc@748 254 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 255 -> [tabs1 ~ tabs2]
adamc@748 256 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 257 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 258 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 259 -> [tabs1 ~ tabs2]
adamc@749 260 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 261 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 262 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 263
adamc@750 264 class nullify :: Type -> Type -> Type
adamc@750 265 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 266 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 267
adamc@750 268 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 269 -> [tabs1 ~ tabs2]
adamc@750 270 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 271 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 272 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 273 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 274
adamc@751 275 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 276 -> [tabs1 ~ tabs2]
adamc@751 277 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 278 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 279 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 280 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 281
adamc@751 282 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 283 -> [tabs1 ~ tabs2]
adamc@751 284 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 285 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 286 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@751 287 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@751 288 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 289
adamc@748 290 val sql_query1 : tables ::: {{Type}}
adamc@354 291 -> grouped ::: {{Type}}
adamc@354 292 -> selectedFields ::: {{Type}}
adamc@354 293 -> selectedExps ::: {Type}
adamc@993 294 -> {Distinct : bool,
adamc@993 295 From : sql_from_items tables,
adamc@748 296 Where : sql_exp tables [] [] bool,
adamc@748 297 GroupBy : sql_subset tables grouped,
adamc@748 298 Having : sql_exp grouped tables [] bool,
adamc@354 299 SelectFields : sql_subset grouped selectedFields,
adamc@748 300 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 301 selectedExps) }
adamc@748 302 -> sql_query1 tables selectedFields selectedExps
adamc@229 303
adamc@229 304 type sql_relop
adamc@229 305 val sql_union : sql_relop
adamc@229 306 val sql_intersect : sql_relop
adamc@229 307 val sql_except : sql_relop
adamc@260 308 val sql_relop : tables1 ::: {{Type}}
adamc@354 309 -> tables2 ::: {{Type}}
adamc@354 310 -> selectedFields ::: {{Type}}
adamc@354 311 -> selectedExps ::: {Type}
adamc@354 312 -> sql_relop
adamc@354 313 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 314 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 315 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 316
adamc@230 317 type sql_direction
adamc@230 318 val sql_asc : sql_direction
adamc@230 319 val sql_desc : sql_direction
adamc@230 320
adamc@234 321 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 322 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 323 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 324 -> sql_exp tables [] exps t -> sql_direction
adamc@354 325 -> sql_order_by tables exps
adamc@354 326 -> sql_order_by tables exps
adamc@230 327
adamc@231 328 type sql_limit
adamc@231 329 val sql_no_limit : sql_limit
adamc@231 330 val sql_limit : int -> sql_limit
adamc@354 331
adamc@232 332 type sql_offset
adamc@232 333 val sql_no_offset : sql_offset
adamc@232 334 val sql_offset : int -> sql_offset
adamc@232 335
adamc@229 336 val sql_query : tables ::: {{Type}}
adamc@354 337 -> selectedFields ::: {{Type}}
adamc@354 338 -> selectedExps ::: {Type}
adamc@354 339 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 340 OrderBy : sql_order_by tables selectedExps,
adamc@354 341 Limit : sql_limit,
adamc@354 342 Offset : sql_offset}
adamc@354 343 -> sql_query selectedFields selectedExps
adamc@204 344
adamc@354 345 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 346 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 347 -> exps ::: {Type}
adamc@354 348 -> tab :: Name -> field :: Name
adamc@354 349 -> sql_exp
adamc@354 350 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 351 agg exps fieldType
adamc@234 352
adamc@354 353 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 354 -> nm :: Name
adamc@354 355 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 356
adamc@221 357 class sql_injectable
adamc@676 358 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 359 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 360
adamc@354 361 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 362 -> t ::: Type
adamc@354 363 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 364
adamc@470 365 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 366 -> t ::: Type
adamc@470 367 -> sql_exp tables agg exps (option t)
adamc@470 368 -> sql_exp tables agg exps bool
adamc@470 369
adamc@559 370 class sql_arith
adamc@559 371 val sql_int_arith : sql_arith int
adamc@559 372 val sql_float_arith : sql_arith float
adamc@559 373
adamc@220 374 con sql_unary :: Type -> Type -> Type
adamc@220 375 val sql_not : sql_unary bool bool
adamc@354 376 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 377 -> arg ::: Type -> res ::: Type
adamc@354 378 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 379 -> sql_exp tables agg exps res
adamc@220 380
adamc@559 381 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 382
adamc@220 383 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 384 val sql_and : sql_binary bool bool bool
adamc@220 385 val sql_or : sql_binary bool bool bool
adamc@234 386 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 387 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 388 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 389 -> sql_exp tables agg exps arg2
adamc@354 390 -> sql_exp tables agg exps res
adamc@220 391
adamc@559 392 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 393 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 394 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 395 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 396 val sql_mod : sql_binary int int int
adamc@559 397
adamc@559 398 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 399 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 400 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 401 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 402 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 403 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 404
adamc@235 405 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 406 -> sql_exp tables agg exps int
adamc@235 407
adamc@236 408 con sql_aggregate :: Type -> Type
adamc@354 409 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 410 -> t ::: Type
adamc@354 411 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 412 -> sql_exp tables agg exps t
adamc@236 413
adamc@236 414 class sql_summable
adamc@236 415 val sql_summable_int : sql_summable int
adamc@236 416 val sql_summable_float : sql_summable float
adamc@236 417 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 418 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 419
adamc@236 420 class sql_maxable
adamc@236 421 val sql_maxable_int : sql_maxable int
adamc@236 422 val sql_maxable_float : sql_maxable float
adamc@236 423 val sql_maxable_string : sql_maxable string
adamc@437 424 val sql_maxable_time : sql_maxable time
adamc@236 425 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 426 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 427
adamc@441 428 con sql_nfunc :: Type -> Type
adamc@441 429 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 430 -> t ::: Type
adamc@441 431 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 432 val sql_current_timestamp : sql_nfunc time
adamc@441 433
adamc@746 434 con sql_ufunc :: Type -> Type -> Type
adamc@746 435 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 436 -> dom ::: Type -> ran ::: Type
adamc@746 437 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 438 -> sql_exp tables agg exps ran
adamc@746 439 val sql_octet_length : sql_ufunc blob int
adamc@746 440
adamc@235 441
adamc@243 442 (*** Executing queries *)
adamc@243 443
adamc@354 444 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 445 -> [tables ~ exps] =>
adamc@354 446 state ::: Type
adamc@354 447 -> sql_query tables exps
adamc@621 448 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 449 -> state
adamc@354 450 -> transaction state)
adamc@354 451 -> state
adamc@354 452 -> transaction state
adamc@243 453
adamc@243 454
adamc@299 455 (*** Database mutators *)
adamc@299 456
adamc@299 457 type dml
adamc@299 458 val dml : dml -> transaction unit
adamc@299 459
adamc@705 460 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 461 -> sql_table fields uniques
adamc@621 462 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 463 -> dml
adamc@299 464
adamc@705 465 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 466 [changed ~ unchanged] =>
adamc@621 467 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 468 -> sql_table (changed ++ unchanged) uniques
adamc@354 469 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 470 -> dml
adamc@299 471
adamc@705 472 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 473 -> sql_table fields uniques
adamc@354 474 -> sql_exp [T = fields] [] [] bool
adamc@354 475 -> dml
adamc@299 476
adamc@338 477 (*** Sequences *)
adamc@338 478
adamc@338 479 type sql_sequence
adamc@338 480 val nextval : sql_sequence -> transaction int
adamc@338 481
adamc@299 482
adamc@203 483 (** XML *)
adamc@203 484
adamc@721 485 type css_class
adamc@718 486
adamc@720 487 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 488
adamc@720 489 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 490 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 491 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 492 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 493 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 494 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 495 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 496 [useOuter ~ useInner] =>
adamc@629 497 [bindOuter ~ bindInner] =>
adamc@721 498 option css_class
adamc@721 499 -> $attrsGiven
adamc@629 500 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 501 ctxOuter ctxInner useOuter bindOuter
adamc@720 502 -> xml ctxInner useInner bindInner
adamc@720 503 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 504 val join : ctx ::: {Unit}
adamc@720 505 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 506 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 507 xml ctx use1 bind1
adamc@720 508 -> xml ctx (use1 ++ bind1) bind2
adamc@720 509 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 510 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 511 -> bind ::: {Type}
adamc@629 512 -> [use1 ~ use2] =>
adamc@720 513 xml ctx use1 bind
adamc@720 514 -> xml ctx (use1 ++ use2) bind
adamc@91 515
adamc@110 516 con xhtml = xml [Html]
adamc@139 517 con page = xhtml [] []
adamc@720 518 con xbody = xml [Body] [] []
adamc@720 519 con xtr = xml [Body, Tr] [] []
adamc@720 520 con xform = xml [Body, Form] [] []
adamc@110 521
adamc@718 522
adamc@204 523 (*** HTML details *)
adamc@204 524
adamc@140 525 con html = [Html]
adamc@140 526 con head = [Head]
adamc@140 527 con body = [Body]
adamc@361 528 con form = [Body, Form]
adamc@760 529 con subform = [Body, Subform]
adamc@332 530 con tabl = [Body, Table]
adamc@332 531 con tr = [Body, Tr]
adamc@93 532
adamc@724 533 type url
adamc@724 534 val bless : string -> url
adamc@770 535 val checkUrl : string -> option url
adamc@724 536
adamc@847 537 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 538 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 539
adamc@720 540 val head : unit -> tag [] html head [] []
adamc@720 541 val title : unit -> tag [] head [] [] []
adamc@724 542 val link : unit -> tag [Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 543
adamc@892 544 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 545 html body [] []
adamc@354 546 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 547 ctx ::: {Unit} ->
adamc@629 548 [[Body] ~ ctx] =>
adamc@720 549 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 550 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 551 ctx ::: {Unit}
adamc@629 552 -> [[Body] ~ ctx] =>
adamc@720 553 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 554
adamc@141 555 val br : bodyTagStandalone []
adamc@119 556
adamc@892 557 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 558 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 559 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 560 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 561 Onmouseup = transaction unit]
adamc@895 562 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 563 Onkeyup = int -> transaction unit]
adamc@895 564 (* Key arguments are character codes. *)
adamc@892 565 con resizeEvents = [Onresize = transaction unit]
adamc@691 566
adamc@892 567 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 568 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 569
adamc@892 570 val span : bodyTag boxEvents
adamc@892 571 val div : bodyTag boxEvents
adamc@469 572
adamc@892 573 val p : bodyTag boxEvents
adamc@892 574 val b : bodyTag boxEvents
adamc@892 575 val i : bodyTag boxEvents
adamc@892 576 val tt : bodyTag boxEvents
adamc@140 577
adamc@892 578 val h1 : bodyTag boxEvents
adamc@892 579 val h2 : bodyTag boxEvents
adamc@892 580 val h3 : bodyTag boxEvents
adamc@892 581 val h4 : bodyTag boxEvents
adamc@893 582 val h5 : bodyTag boxEvents
adamc@893 583 val h6 : bodyTag boxEvents
adamc@410 584
adamc@892 585 val li : bodyTag boxEvents
adamc@892 586 val ol : bodyTag boxEvents
adamc@892 587 val ul : bodyTag boxEvents
adamc@717 588
adamc@892 589 val hr : bodyTag boxEvents
adamc@140 590
adamc@892 591 val a : bodyTag ([Link = transaction page, Href = url] ++ boxEvents)
adamc@892 592
adamc@892 593 val img : bodyTag ([Src = url, Onabort = transaction unit, Onerror = transaction unit,
adamc@892 594 Onload = transaction unit] ++ boxEvents)
adamc@892 595
adamc@720 596 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@756 597 -> [[Body] ~ ctx] =>
adamc@756 598 xml form [] bind
adamc@756 599 -> xml ([Body] ++ ctx) [] []
adamc@756 600
adamc@756 601 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 602 -> [[Form] ~ ctx] =>
adamc@756 603 nm :: Name -> [[nm] ~ use] =>
adamc@756 604 xml form [] bind
adamc@756 605 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 606
adamc@758 607 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@758 608 -> [[Form] ~ ctx] =>
adamc@758 609 nm :: Name -> [[nm] ~ use] =>
adamc@760 610 xml subform [Entry = $bind] []
adamc@758 611 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 612
adamc@758 613 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@758 614 -> [[Subform] ~ ctx] =>
adamc@758 615 xml form [] bind
adamc@758 616 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 617
adamc@361 618 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 619 ctx ::: {Unit}
adamc@629 620 -> [[Form] ~ ctx] =>
adamc@354 621 nm :: Name -> unit
adamc@720 622 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@761 623 val hidden : formTag string [] [Value = string]
adamc@892 624 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@892 625 Ontext = transaction unit] ++ boxEvents)
adamc@892 626 val password : formTag string [] ([Value = string, Size = int] ++ boxEvents)
adamc@892 627 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@892 628 Ontext = transaction unit] ++ boxEvents)
adamc@153 629
adamc@892 630 val checkbox : formTag bool [] ([Checked = bool] ++ boxEvents)
adamc@190 631
adamc@737 632 type file
adamc@737 633 val fileName : file -> option string
adamc@740 634 val fileMimeType : file -> string
adamc@737 635 val fileData : file -> blob
adamc@737 636
adamc@892 637 val upload : formTag file [] ([Value = string, Size = int] ++ boxEvents)
adamc@737 638
adamc@741 639 type mimeType
adamc@741 640 val blessMime : string -> mimeType
adamc@770 641 val checkMime : string -> option mimeType
adamc@741 642 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 643 val blobSize : blob -> int
adamc@741 644
adamc@153 645 con radio = [Body, Radio]
adamc@361 646 val radio : formTag string radio []
adamc@892 647 val radioOption : unit -> tag ([Value = string] ++ boxEvents) radio [] [] []
adamc@142 648
adamc@154 649 con select = [Select]
adamc@892 650 val select : formTag string select ([Onchange = transaction unit] ++ boxEvents)
adamc@720 651 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 652
adamc@720 653 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 654 -> [[Form] ~ ctx] =>
adamc@354 655 unit
adamc@892 656 -> tag ([Value = string, Action = $use -> transaction page] ++ boxEvents)
adamc@720 657 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 658
adamc@601 659 (*** AJAX-oriented widgets *)
adamc@601 660
adamc@797 661 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 662 ctx ::: {Unit}
adamc@629 663 -> [[Body] ~ ctx] =>
adamc@797 664 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 665
adamc@892 666 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@892 667 Ontext = transaction unit] ++ boxEvents) []
adamc@892 668 val button : cformTag ([Value = string] ++ boxEvents) []
adamc@797 669
adamc@892 670 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxEvents) []
adamc@817 671
adamc@797 672 con cselect = [Cselect]
adamc@892 673 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxEvents) cselect
adamc@797 674 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 675
adamc@720 676 (*** Tables *)
adamc@720 677
adamc@892 678 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@892 679 -> tag ([Border = int] ++ boxEvents)
adamc@892 680 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 681 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@892 682 -> tag tableEvents
adamc@892 683 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 684 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@941 685 -> tag ([Colspan = int] ++ tableEvents)
adamc@892 686 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 687 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@941 688 -> tag ([Colspan = int] ++ tableEvents)
adamc@892 689 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 690
adamc@283 691
adamc@283 692 (** Aborting *)
adamc@283 693
adamc@726 694 val error : t ::: Type -> xbody -> t
adamc@720 695
adamc@729 696 (* Client-side-only handlers: *)
adamc@726 697 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 698 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 699 val onConnectFail : transaction unit -> transaction unit
adamc@729 700 val onDisconnect : transaction unit -> transaction unit
adamc@729 701 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 702
adamc@727 703 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)