Mercurial > urweb

annotate lib/ur/basis.urs @ 792:d20d6afc1206

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Improvements while working on Graftid
author Adam Chlipala <adamc@hcoop.net>
date Tue, 12 May 2009 18:02:25 -0400
parents 87a7702d681d
children 2c463eee89fa
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@436 4 type time
adamc@737 5 type blob
adamc@91 6
adamc@119 7 type unit = {}
adamc@119 8
adamc@186 9 datatype bool = False | True
adamc@186 10
adamc@288 11 datatype option t = None | Some of t
adamc@284 12
adamc@757 13 datatype list t = Nil | Cons of t * list t
adamc@757 14
adamc@91 15
adamc@256 16 (** Basic type classes *)
adamc@256 17
adamc@256 18 class eq
adamc@256 19 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 20 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 21 val eq_int : eq int
adamc@394 22 val eq_float : eq float
adamc@256 23 val eq_string : eq string
adamc@256 24 val eq_bool : eq bool
adamc@437 25 val eq_time : eq time
adamc@422 26 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 27
adamc@389 28 class num
adamc@417 29 val zero : t ::: Type -> num t -> t
adamc@389 30 val neg : t ::: Type -> num t -> t -> t
adamc@389 31 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 32 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 33 val times : t ::: Type -> num t -> t -> t -> t
adamc@775 34 val divide : t ::: Type -> num t -> t -> t -> t
adamc@389 35 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 36 val num_int : num int
adamc@390 37 val num_float : num float
adamc@389 38
adamc@391 39 class ord
adamc@391 40 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 41 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 42 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 43 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 44 val ord_int : ord int
adamc@394 45 val ord_float : ord float
adamc@394 46 val ord_string : ord string
adamc@394 47 val ord_bool : ord bool
adamc@437 48 val ord_time : ord time
adamc@391 49
adamc@256 50
adamc@283 51 (** String operations *)
adamc@283 52
adamc@283 53 val strcat : string -> string -> string
adamc@283 54
adamc@286 55 class show
adamc@286 56 val show : t ::: Type -> show t -> t -> string
adamc@286 57 val show_int : show int
adamc@286 58 val show_float : show float
adamc@286 59 val show_string : show string
adamc@286 60 val show_bool : show bool
adamc@436 61 val show_time : show time
adamc@452 62 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 63
adamc@290 64 class read
adamc@290 65 val read : t ::: Type -> read t -> string -> option t
adamc@292 66 val readError : t ::: Type -> read t -> string -> t
adamc@292 67 (* [readError] calls [error] if the input is malformed. *)
adamc@290 68 val read_int : read int
adamc@290 69 val read_float : read float
adamc@290 70 val read_string : read string
adamc@290 71 val read_bool : read bool
adamc@436 72 val read_time : read time
adamc@777 73 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 74
adamc@283 75
adamc@564 76 (** * Monads *)
adamc@564 77
adamc@711 78 class monad :: (Type -> Type) -> Type
adamc@564 79 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 80 -> monad m
adamc@564 81 -> t -> m t
adamc@564 82 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 83 -> monad m
adamc@564 84 -> m t1 -> (t1 -> m t2)
adamc@564 85 -> m t2
adamc@564 86
adamc@456 87 con transaction :: Type -> Type
adamc@564 88 val transaction_monad : monad transaction
adamc@456 89
adamc@565 90 con source :: Type -> Type
adamc@565 91 val source : t ::: Type -> t -> transaction (source t)
adamc@575 92 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 93 val get : t ::: Type -> source t -> transaction t
adamc@565 94
adamc@565 95 con signal :: Type -> Type
adamc@565 96 val signal_monad : monad signal
adamc@565 97 val signal : t ::: Type -> source t -> signal t
adamc@456 98
adamc@456 99
adamc@456 100 (** HTTP operations *)
adamc@456 101
adamc@456 102 val requestHeader : string -> transaction (option string)
adamc@456 103
adamc@459 104 con http_cookie :: Type -> Type
adamc@459 105 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 106 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 107
adamc@456 108
adamc@566 109 (** JavaScript-y gadgets *)
adamc@566 110
adamc@566 111 val alert : string -> transaction unit
adamc@694 112 val spawn : transaction unit -> transaction unit
adamc@695 113 val sleep : int -> transaction unit
adamc@566 114
adamc@566 115
adamc@678 116 (** Channels *)
adamc@678 117
adamc@678 118 con channel :: Type -> Type
adamc@678 119 val channel : t ::: Type -> transaction (channel t)
adamc@678 120 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 121 val recv : t ::: Type -> channel t -> transaction t
adamc@678 122
adamc@682 123 type client
adamc@682 124 val self : transaction client
adamc@682 125
adamc@678 126
adamc@203 127 (** SQL *)
adamc@203 128
adamc@705 129 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 130 con sql_view :: {Type} -> Type
adamc@753 131
adamc@753 132 class fieldsOf :: Type -> {Type} -> Type
adamc@753 133 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 134 -> fieldsOf (sql_table fs keys) fs
adamc@753 135 val fieldsOf_view : fs ::: {Type}
adamc@753 136 -> fieldsOf (sql_view fs) fs
adamc@203 137
adamc@704 138 (*** Constraints *)
adamc@704 139
adamc@707 140 (**** Primary keys *)
adamc@707 141
adamc@707 142 class sql_injectable_prim
adamc@707 143 val sql_bool : sql_injectable_prim bool
adamc@707 144 val sql_int : sql_injectable_prim int
adamc@707 145 val sql_float : sql_injectable_prim float
adamc@707 146 val sql_string : sql_injectable_prim string
adamc@707 147 val sql_time : sql_injectable_prim time
adamc@737 148 val sql_blob : sql_injectable_prim blob
adamc@707 149 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 150 val sql_client : sql_injectable_prim client
adamc@707 151
adamc@707 152 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 153 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 154 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 155 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 156 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 157 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 158 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 159
adamc@707 160 (**** Other constraints *)
adamc@707 161
adamc@705 162 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 163 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 164
adamc@705 165 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 166
adamc@705 167 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 168 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 169 -> sql_constraint fs unique
adamc@705 170 -> sql_constraints fs [name = unique]
adamc@705 171 val join_constraints : fs ::: {Type}
adamc@705 172 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 173 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 174 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 175
adamc@709 176
adamc@705 177 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 178 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 179 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 180
adamc@712 181 class linkable :: Type -> Type -> Type
adamc@712 182 val linkable_same : t ::: Type -> linkable t t
adamc@712 183 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 184 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 185
adamc@709 186 con matching :: {Type} -> {Type} -> Type
adamc@709 187 val mat_nil : matching [] []
adamc@712 188 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 189 -> nm1 :: Name -> nm2 :: Name
adamc@709 190 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 191 => linkable t1 t2
adamc@712 192 -> matching rest1 rest2
adamc@712 193 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 194
adamc@709 195 con propagation_mode :: {Type} -> Type
adamc@709 196 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 197 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 198 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 199 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 200
adamc@709 201
adamc@709 202 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 203 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 204 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 205 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 206 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 207 => matching ([mine1 = t] ++ mine) foreign
adamc@709 208 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 209 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 210 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 211 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 212
adamc@714 213 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@714 214
adamc@714 215 val check : fs ::: {Type}
adamc@714 216 -> sql_exp [] [] fs bool
adamc@714 217 -> sql_constraint fs []
adamc@714 218
adamc@714 219
adamc@704 220
adamc@204 221 (*** Queries *)
adamc@204 222
adamc@233 223 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 224 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 225
adamc@223 226 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 227 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 228 -> sql_subset
adamc@621 229 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 230 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 231 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 232
adamc@748 233 con sql_from_items :: {{Type}} -> Type
adamc@748 234
adamc@753 235 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 236 -> fieldsOf t fs -> name :: Name
adamc@753 237 -> t -> sql_from_items [name = fs]
adamc@748 238 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 239 -> [tabs1 ~ tabs2]
adamc@748 240 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 241 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 242 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 243 -> [tabs1 ~ tabs2]
adamc@749 244 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 245 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 246 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 247
adamc@750 248 class nullify :: Type -> Type -> Type
adamc@750 249 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 250 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 251
adamc@750 252 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 253 -> [tabs1 ~ tabs2]
adamc@750 254 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 255 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 256 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 257 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 258
adamc@751 259 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 260 -> [tabs1 ~ tabs2]
adamc@751 261 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 262 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 263 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 264 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 265
adamc@751 266 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 267 -> [tabs1 ~ tabs2]
adamc@751 268 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 269 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 270 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@751 271 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@751 272 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 273
adamc@748 274 val sql_query1 : tables ::: {{Type}}
adamc@354 275 -> grouped ::: {{Type}}
adamc@354 276 -> selectedFields ::: {{Type}}
adamc@354 277 -> selectedExps ::: {Type}
adamc@748 278 -> {From : sql_from_items tables,
adamc@748 279 Where : sql_exp tables [] [] bool,
adamc@748 280 GroupBy : sql_subset tables grouped,
adamc@748 281 Having : sql_exp grouped tables [] bool,
adamc@354 282 SelectFields : sql_subset grouped selectedFields,
adamc@748 283 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 284 selectedExps) }
adamc@748 285 -> sql_query1 tables selectedFields selectedExps
adamc@229 286
adamc@229 287 type sql_relop
adamc@229 288 val sql_union : sql_relop
adamc@229 289 val sql_intersect : sql_relop
adamc@229 290 val sql_except : sql_relop
adamc@260 291 val sql_relop : tables1 ::: {{Type}}
adamc@354 292 -> tables2 ::: {{Type}}
adamc@354 293 -> selectedFields ::: {{Type}}
adamc@354 294 -> selectedExps ::: {Type}
adamc@354 295 -> sql_relop
adamc@354 296 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 297 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 298 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 299
adamc@230 300 type sql_direction
adamc@230 301 val sql_asc : sql_direction
adamc@230 302 val sql_desc : sql_direction
adamc@230 303
adamc@234 304 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 305 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 306 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 307 -> sql_exp tables [] exps t -> sql_direction
adamc@354 308 -> sql_order_by tables exps
adamc@354 309 -> sql_order_by tables exps
adamc@230 310
adamc@231 311 type sql_limit
adamc@231 312 val sql_no_limit : sql_limit
adamc@231 313 val sql_limit : int -> sql_limit
adamc@354 314
adamc@232 315 type sql_offset
adamc@232 316 val sql_no_offset : sql_offset
adamc@232 317 val sql_offset : int -> sql_offset
adamc@232 318
adamc@229 319 val sql_query : tables ::: {{Type}}
adamc@354 320 -> selectedFields ::: {{Type}}
adamc@354 321 -> selectedExps ::: {Type}
adamc@354 322 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 323 OrderBy : sql_order_by tables selectedExps,
adamc@354 324 Limit : sql_limit,
adamc@354 325 Offset : sql_offset}
adamc@354 326 -> sql_query selectedFields selectedExps
adamc@204 327
adamc@354 328 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 329 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 330 -> exps ::: {Type}
adamc@354 331 -> tab :: Name -> field :: Name
adamc@354 332 -> sql_exp
adamc@354 333 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 334 agg exps fieldType
adamc@234 335
adamc@354 336 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 337 -> nm :: Name
adamc@354 338 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 339
adamc@221 340 class sql_injectable
adamc@676 341 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 342 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 343
adamc@354 344 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 345 -> t ::: Type
adamc@354 346 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 347
adamc@470 348 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 349 -> t ::: Type
adamc@470 350 -> sql_exp tables agg exps (option t)
adamc@470 351 -> sql_exp tables agg exps bool
adamc@470 352
adamc@559 353 class sql_arith
adamc@559 354 val sql_int_arith : sql_arith int
adamc@559 355 val sql_float_arith : sql_arith float
adamc@559 356
adamc@220 357 con sql_unary :: Type -> Type -> Type
adamc@220 358 val sql_not : sql_unary bool bool
adamc@354 359 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 360 -> arg ::: Type -> res ::: Type
adamc@354 361 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 362 -> sql_exp tables agg exps res
adamc@220 363
adamc@559 364 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 365
adamc@220 366 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 367 val sql_and : sql_binary bool bool bool
adamc@220 368 val sql_or : sql_binary bool bool bool
adamc@234 369 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 370 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 371 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 372 -> sql_exp tables agg exps arg2
adamc@354 373 -> sql_exp tables agg exps res
adamc@220 374
adamc@559 375 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 376 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 377 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 378 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 379 val sql_mod : sql_binary int int int
adamc@559 380
adamc@559 381 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 382 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 383 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 384 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 385 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 386 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 387
adamc@235 388 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 389 -> sql_exp tables agg exps int
adamc@235 390
adamc@236 391 con sql_aggregate :: Type -> Type
adamc@354 392 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 393 -> t ::: Type
adamc@354 394 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 395 -> sql_exp tables agg exps t
adamc@236 396
adamc@236 397 class sql_summable
adamc@236 398 val sql_summable_int : sql_summable int
adamc@236 399 val sql_summable_float : sql_summable float
adamc@236 400 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 401 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 402
adamc@236 403 class sql_maxable
adamc@236 404 val sql_maxable_int : sql_maxable int
adamc@236 405 val sql_maxable_float : sql_maxable float
adamc@236 406 val sql_maxable_string : sql_maxable string
adamc@437 407 val sql_maxable_time : sql_maxable time
adamc@236 408 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 409 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 410
adamc@441 411 con sql_nfunc :: Type -> Type
adamc@441 412 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 413 -> t ::: Type
adamc@441 414 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 415 val sql_current_timestamp : sql_nfunc time
adamc@441 416
adamc@746 417 con sql_ufunc :: Type -> Type -> Type
adamc@746 418 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 419 -> dom ::: Type -> ran ::: Type
adamc@746 420 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 421 -> sql_exp tables agg exps ran
adamc@746 422 val sql_octet_length : sql_ufunc blob int
adamc@746 423
adamc@235 424
adamc@243 425 (*** Executing queries *)
adamc@243 426
adamc@354 427 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 428 -> [tables ~ exps] =>
adamc@354 429 state ::: Type
adamc@354 430 -> sql_query tables exps
adamc@621 431 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 432 -> state
adamc@354 433 -> transaction state)
adamc@354 434 -> state
adamc@354 435 -> transaction state
adamc@243 436
adamc@243 437
adamc@299 438 (*** Database mutators *)
adamc@299 439
adamc@299 440 type dml
adamc@299 441 val dml : dml -> transaction unit
adamc@299 442
adamc@705 443 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 444 -> sql_table fields uniques
adamc@621 445 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 446 -> dml
adamc@299 447
adamc@705 448 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 449 [changed ~ unchanged] =>
adamc@621 450 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 451 -> sql_table (changed ++ unchanged) uniques
adamc@354 452 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 453 -> dml
adamc@299 454
adamc@705 455 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 456 -> sql_table fields uniques
adamc@354 457 -> sql_exp [T = fields] [] [] bool
adamc@354 458 -> dml
adamc@299 459
adamc@338 460 (*** Sequences *)
adamc@338 461
adamc@338 462 type sql_sequence
adamc@338 463 val nextval : sql_sequence -> transaction int
adamc@338 464
adamc@299 465
adamc@203 466 (** XML *)
adamc@203 467
adamc@721 468 type css_class
adamc@718 469
adamc@720 470 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 471
adamc@720 472 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 473 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 474 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 475 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 476 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 477 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 478 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 479 [useOuter ~ useInner] =>
adamc@629 480 [bindOuter ~ bindInner] =>
adamc@721 481 option css_class
adamc@721 482 -> $attrsGiven
adamc@629 483 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 484 ctxOuter ctxInner useOuter bindOuter
adamc@720 485 -> xml ctxInner useInner bindInner
adamc@720 486 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 487 val join : ctx ::: {Unit}
adamc@720 488 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 489 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 490 xml ctx use1 bind1
adamc@720 491 -> xml ctx (use1 ++ bind1) bind2
adamc@720 492 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 493 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 494 -> bind ::: {Type}
adamc@629 495 -> [use1 ~ use2] =>
adamc@720 496 xml ctx use1 bind
adamc@720 497 -> xml ctx (use1 ++ use2) bind
adamc@91 498
adamc@110 499 con xhtml = xml [Html]
adamc@139 500 con page = xhtml [] []
adamc@720 501 con xbody = xml [Body] [] []
adamc@720 502 con xtr = xml [Body, Tr] [] []
adamc@720 503 con xform = xml [Body, Form] [] []
adamc@110 504
adamc@718 505
adamc@204 506 (*** HTML details *)
adamc@204 507
adamc@140 508 con html = [Html]
adamc@140 509 con head = [Head]
adamc@140 510 con body = [Body]
adamc@361 511 con form = [Body, Form]
adamc@760 512 con subform = [Body, Subform]
adamc@332 513 con tabl = [Body, Table]
adamc@332 514 con tr = [Body, Tr]
adamc@93 515
adamc@724 516 type url
adamc@724 517 val bless : string -> url
adamc@770 518 val checkUrl : string -> option url
adamc@724 519
adamc@720 520 val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@720 521 -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568 522
adamc@720 523 val head : unit -> tag [] html head [] []
adamc@720 524 val title : unit -> tag [] head [] [] []
adamc@724 525 val link : unit -> tag [Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 526
adamc@720 527 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 528 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 529 ctx ::: {Unit} ->
adamc@629 530 [[Body] ~ ctx] =>
adamc@720 531 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 532 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 533 ctx ::: {Unit}
adamc@629 534 -> [[Body] ~ ctx] =>
adamc@720 535 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 536
adamc@141 537 val br : bodyTagStandalone []
adamc@119 538
adamc@691 539 val span : bodyTag []
adamc@775 540 val div : bodyTag []
adamc@691 541
adamc@140 542 val p : bodyTag []
adamc@140 543 val b : bodyTag []
adamc@140 544 val i : bodyTag []
adamc@407 545 val tt : bodyTag []
adamc@140 546 val font : bodyTag [Size = int, Face = string]
adamc@140 547
adamc@140 548 val h1 : bodyTag []
adamc@443 549 val h2 : bodyTag []
adamc@443 550 val h3 : bodyTag []
adamc@443 551 val h4 : bodyTag []
adamc@469 552
adamc@140 553 val li : bodyTag []
adamc@469 554 val ol : bodyTag []
adamc@469 555 val ul : bodyTag []
adamc@140 556
adamc@410 557 val hr : bodyTag []
adamc@410 558
adamc@720 559 val a : bodyTag [Link = transaction page, Href = url, Onclick = transaction unit]
adamc@717 560
adamc@717 561 val img : bodyTag [Src = url]
adamc@140 562
adamc@720 563 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@756 564 -> [[Body] ~ ctx] =>
adamc@756 565 xml form [] bind
adamc@756 566 -> xml ([Body] ++ ctx) [] []
adamc@756 567
adamc@756 568 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 569 -> [[Form] ~ ctx] =>
adamc@756 570 nm :: Name -> [[nm] ~ use] =>
adamc@756 571 xml form [] bind
adamc@756 572 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 573
adamc@758 574 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@758 575 -> [[Form] ~ ctx] =>
adamc@758 576 nm :: Name -> [[nm] ~ use] =>
adamc@760 577 xml subform [Entry = $bind] []
adamc@758 578 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 579
adamc@758 580 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@758 581 -> [[Subform] ~ ctx] =>
adamc@758 582 xml form [] bind
adamc@758 583 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 584
adamc@361 585 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 586 ctx ::: {Unit}
adamc@629 587 -> [[Form] ~ ctx] =>
adamc@354 588 nm :: Name -> unit
adamc@720 589 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@761 590 val hidden : formTag string [] [Value = string]
adamc@598 591 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 592 val password : formTag string [] [Value = string, Size = int]
adamc@444 593 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 594
adamc@361 595 val checkbox : formTag bool [] [Checked = bool]
adamc@190 596
adamc@737 597 type file
adamc@737 598 val fileName : file -> option string
adamc@740 599 val fileMimeType : file -> string
adamc@737 600 val fileData : file -> blob
adamc@737 601
adamc@739 602 val upload : formTag file [] [Value = string, Size = int]
adamc@737 603
adamc@741 604 type mimeType
adamc@741 605 val blessMime : string -> mimeType
adamc@770 606 val checkMime : string -> option mimeType
adamc@741 607 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 608 val blobSize : blob -> int
adamc@741 609
adamc@153 610 con radio = [Body, Radio]
adamc@361 611 val radio : formTag string radio []
adamc@720 612 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 613
adamc@154 614 con select = [Select]
adamc@361 615 val select : formTag string select []
adamc@720 616 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 617
adamc@720 618 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 619 -> [[Form] ~ ctx] =>
adamc@354 620 unit
adamc@720 621 -> tag [Value = string, Action = $use -> transaction page]
adamc@720 622 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 623
adamc@601 624 (*** AJAX-oriented widgets *)
adamc@601 625
adamc@601 626 con cformTag = fn (attrs :: {Type}) =>
adamc@601 627 ctx ::: {Unit}
adamc@629 628 -> [[Body] ~ ctx] =>
adamc@720 629 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601 630
adamc@601 631 val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601 632 val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601 633
adamc@720 634 (*** Tables *)
adamc@720 635
adamc@720 636 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@720 637 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@720 638 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@720 639 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@720 640 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@720 641 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 642 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@720 643 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 644
adamc@283 645
adamc@283 646 (** Aborting *)
adamc@283 647
adamc@726 648 val error : t ::: Type -> xbody -> t
adamc@720 649
adamc@729 650 (* Client-side-only handlers: *)
adamc@726 651 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 652 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 653 val onConnectFail : transaction unit -> transaction unit
adamc@729 654 val onDisconnect : transaction unit -> transaction unit
adamc@729 655 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 656
adamc@727 657 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)