Mercurial > urweb

annotate lib/ur/basis.urs @ 939:38a376dc7401

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix Postgres timestamp round-tripping
author Adam Chlipala <adamc@hcoop.net>
date Tue, 15 Sep 2009 10:50:49 -0400
parents ed06e25c70ef
children b8d7a47b8e0c
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@391 52
adamc@256 53
adamc@283 54 (** String operations *)
adamc@283 55
adamc@828 56 val strlen : string -> int
adamc@283 57 val strcat : string -> string -> string
adamc@821 58 val strsub : string -> int -> char
adamc@821 59 val strsuffix : string -> int -> string
adamc@829 60 val strchr : string -> char -> option string
adamc@829 61 val strindex : string -> char -> option int
adamc@831 62 val strcspn : string -> string -> option int
adamc@829 63 val substring : string -> int -> int -> string
adamc@283 64
adamc@286 65 class show
adamc@286 66 val show : t ::: Type -> show t -> t -> string
adamc@286 67 val show_int : show int
adamc@286 68 val show_float : show float
adamc@286 69 val show_string : show string
adamc@821 70 val show_char : show char
adamc@286 71 val show_bool : show bool
adamc@436 72 val show_time : show time
adamc@452 73 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 74
adamc@290 75 class read
adamc@290 76 val read : t ::: Type -> read t -> string -> option t
adamc@292 77 val readError : t ::: Type -> read t -> string -> t
adamc@292 78 (* [readError] calls [error] if the input is malformed. *)
adamc@290 79 val read_int : read int
adamc@290 80 val read_float : read float
adamc@290 81 val read_string : read string
adamc@821 82 val read_char : read char
adamc@290 83 val read_bool : read bool
adamc@436 84 val read_time : read time
adamc@777 85 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 86
adamc@283 87
adamc@564 88 (** * Monads *)
adamc@564 89
adamc@711 90 class monad :: (Type -> Type) -> Type
adamc@564 91 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 92 -> monad m
adamc@564 93 -> t -> m t
adamc@564 94 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 95 -> monad m
adamc@564 96 -> m t1 -> (t1 -> m t2)
adamc@564 97 -> m t2
adamc@564 98
adamc@456 99 con transaction :: Type -> Type
adamc@564 100 val transaction_monad : monad transaction
adamc@456 101
adamc@565 102 con source :: Type -> Type
adamc@565 103 val source : t ::: Type -> t -> transaction (source t)
adamc@575 104 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 105 val get : t ::: Type -> source t -> transaction t
adamc@565 106
adamc@565 107 con signal :: Type -> Type
adamc@565 108 val signal_monad : monad signal
adamc@565 109 val signal : t ::: Type -> source t -> signal t
adamc@841 110 val current : t ::: Type -> signal t -> transaction t
adamc@456 111
adamc@456 112
adamc@456 113 (** HTTP operations *)
adamc@456 114
adamc@456 115 val requestHeader : string -> transaction (option string)
adamc@456 116
adamc@459 117 con http_cookie :: Type -> Type
adamc@459 118 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 119 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 120
adamc@456 121
adamc@566 122 (** JavaScript-y gadgets *)
adamc@566 123
adamc@566 124 val alert : string -> transaction unit
adamc@694 125 val spawn : transaction unit -> transaction unit
adamc@695 126 val sleep : int -> transaction unit
adamc@566 127
adamc@908 128 val rpc : t ::: Type -> transaction t -> transaction t
adamc@908 129
adamc@566 130
adamc@678 131 (** Channels *)
adamc@678 132
adamc@678 133 con channel :: Type -> Type
adamc@678 134 val channel : t ::: Type -> transaction (channel t)
adamc@678 135 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 136 val recv : t ::: Type -> channel t -> transaction t
adamc@678 137
adamc@682 138 type client
adamc@682 139 val self : transaction client
adamc@682 140
adamc@678 141
adamc@203 142 (** SQL *)
adamc@203 143
adamc@705 144 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 145 con sql_view :: {Type} -> Type
adamc@753 146
adamc@753 147 class fieldsOf :: Type -> {Type} -> Type
adamc@753 148 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 149 -> fieldsOf (sql_table fs keys) fs
adamc@753 150 val fieldsOf_view : fs ::: {Type}
adamc@753 151 -> fieldsOf (sql_view fs) fs
adamc@203 152
adamc@704 153 (*** Constraints *)
adamc@704 154
adamc@707 155 (**** Primary keys *)
adamc@707 156
adamc@707 157 class sql_injectable_prim
adamc@707 158 val sql_bool : sql_injectable_prim bool
adamc@707 159 val sql_int : sql_injectable_prim int
adamc@707 160 val sql_float : sql_injectable_prim float
adamc@707 161 val sql_string : sql_injectable_prim string
adamc@707 162 val sql_time : sql_injectable_prim time
adamc@737 163 val sql_blob : sql_injectable_prim blob
adamc@707 164 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 165 val sql_client : sql_injectable_prim client
adamc@707 166
adamc@707 167 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 168 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 169 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 170 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 171 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 172 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 173 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 174
adamc@707 175 (**** Other constraints *)
adamc@707 176
adamc@705 177 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 178 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 179
adamc@705 180 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 181
adamc@705 182 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 183 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 184 -> sql_constraint fs unique
adamc@705 185 -> sql_constraints fs [name = unique]
adamc@705 186 val join_constraints : fs ::: {Type}
adamc@705 187 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 188 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 189 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 190
adamc@709 191
adamc@705 192 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 193 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 194 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 195
adamc@712 196 class linkable :: Type -> Type -> Type
adamc@712 197 val linkable_same : t ::: Type -> linkable t t
adamc@712 198 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 199 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 200
adamc@709 201 con matching :: {Type} -> {Type} -> Type
adamc@709 202 val mat_nil : matching [] []
adamc@712 203 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 204 -> nm1 :: Name -> nm2 :: Name
adamc@709 205 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 206 => linkable t1 t2
adamc@712 207 -> matching rest1 rest2
adamc@712 208 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 209
adamc@709 210 con propagation_mode :: {Type} -> Type
adamc@709 211 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 212 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 213 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 214 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 215
adamc@709 216
adamc@709 217 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 218 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 219 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 220 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 221 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 222 => matching ([mine1 = t] ++ mine) foreign
adamc@709 223 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 224 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 225 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 226 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 227
adamc@714 228 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@714 229
adamc@714 230 val check : fs ::: {Type}
adamc@714 231 -> sql_exp [] [] fs bool
adamc@714 232 -> sql_constraint fs []
adamc@714 233
adamc@714 234
adamc@704 235
adamc@204 236 (*** Queries *)
adamc@204 237
adamc@233 238 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 239 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 240
adamc@223 241 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 242 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 243 -> sql_subset
adamc@621 244 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 245 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 246 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 247
adamc@748 248 con sql_from_items :: {{Type}} -> Type
adamc@748 249
adamc@753 250 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 251 -> fieldsOf t fs -> name :: Name
adamc@753 252 -> t -> sql_from_items [name = fs]
adamc@748 253 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 254 -> [tabs1 ~ tabs2]
adamc@748 255 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 256 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 257 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 258 -> [tabs1 ~ tabs2]
adamc@749 259 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 260 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 261 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 262
adamc@750 263 class nullify :: Type -> Type -> Type
adamc@750 264 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 265 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 266
adamc@750 267 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 268 -> [tabs1 ~ tabs2]
adamc@750 269 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 270 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 271 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 272 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 273
adamc@751 274 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 275 -> [tabs1 ~ tabs2]
adamc@751 276 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 277 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 278 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 279 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 280
adamc@751 281 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 282 -> [tabs1 ~ tabs2]
adamc@751 283 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 284 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 285 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@751 286 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@751 287 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 288
adamc@748 289 val sql_query1 : tables ::: {{Type}}
adamc@354 290 -> grouped ::: {{Type}}
adamc@354 291 -> selectedFields ::: {{Type}}
adamc@354 292 -> selectedExps ::: {Type}
adamc@748 293 -> {From : sql_from_items tables,
adamc@748 294 Where : sql_exp tables [] [] bool,
adamc@748 295 GroupBy : sql_subset tables grouped,
adamc@748 296 Having : sql_exp grouped tables [] bool,
adamc@354 297 SelectFields : sql_subset grouped selectedFields,
adamc@748 298 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 299 selectedExps) }
adamc@748 300 -> sql_query1 tables selectedFields selectedExps
adamc@229 301
adamc@229 302 type sql_relop
adamc@229 303 val sql_union : sql_relop
adamc@229 304 val sql_intersect : sql_relop
adamc@229 305 val sql_except : sql_relop
adamc@260 306 val sql_relop : tables1 ::: {{Type}}
adamc@354 307 -> tables2 ::: {{Type}}
adamc@354 308 -> selectedFields ::: {{Type}}
adamc@354 309 -> selectedExps ::: {Type}
adamc@354 310 -> sql_relop
adamc@354 311 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 312 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 313 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 314
adamc@230 315 type sql_direction
adamc@230 316 val sql_asc : sql_direction
adamc@230 317 val sql_desc : sql_direction
adamc@230 318
adamc@234 319 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 320 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 321 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 322 -> sql_exp tables [] exps t -> sql_direction
adamc@354 323 -> sql_order_by tables exps
adamc@354 324 -> sql_order_by tables exps
adamc@230 325
adamc@231 326 type sql_limit
adamc@231 327 val sql_no_limit : sql_limit
adamc@231 328 val sql_limit : int -> sql_limit
adamc@354 329
adamc@232 330 type sql_offset
adamc@232 331 val sql_no_offset : sql_offset
adamc@232 332 val sql_offset : int -> sql_offset
adamc@232 333
adamc@229 334 val sql_query : tables ::: {{Type}}
adamc@354 335 -> selectedFields ::: {{Type}}
adamc@354 336 -> selectedExps ::: {Type}
adamc@354 337 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 338 OrderBy : sql_order_by tables selectedExps,
adamc@354 339 Limit : sql_limit,
adamc@354 340 Offset : sql_offset}
adamc@354 341 -> sql_query selectedFields selectedExps
adamc@204 342
adamc@354 343 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 344 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 345 -> exps ::: {Type}
adamc@354 346 -> tab :: Name -> field :: Name
adamc@354 347 -> sql_exp
adamc@354 348 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 349 agg exps fieldType
adamc@234 350
adamc@354 351 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 352 -> nm :: Name
adamc@354 353 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 354
adamc@221 355 class sql_injectable
adamc@676 356 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 357 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 358
adamc@354 359 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 360 -> t ::: Type
adamc@354 361 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 362
adamc@470 363 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 364 -> t ::: Type
adamc@470 365 -> sql_exp tables agg exps (option t)
adamc@470 366 -> sql_exp tables agg exps bool
adamc@470 367
adamc@559 368 class sql_arith
adamc@559 369 val sql_int_arith : sql_arith int
adamc@559 370 val sql_float_arith : sql_arith float
adamc@559 371
adamc@220 372 con sql_unary :: Type -> Type -> Type
adamc@220 373 val sql_not : sql_unary bool bool
adamc@354 374 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 375 -> arg ::: Type -> res ::: Type
adamc@354 376 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 377 -> sql_exp tables agg exps res
adamc@220 378
adamc@559 379 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 380
adamc@220 381 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 382 val sql_and : sql_binary bool bool bool
adamc@220 383 val sql_or : sql_binary bool bool bool
adamc@234 384 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 385 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 386 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 387 -> sql_exp tables agg exps arg2
adamc@354 388 -> sql_exp tables agg exps res
adamc@220 389
adamc@559 390 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 391 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 392 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 393 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 394 val sql_mod : sql_binary int int int
adamc@559 395
adamc@559 396 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 397 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 398 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 399 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 400 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 401 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 402
adamc@235 403 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 404 -> sql_exp tables agg exps int
adamc@235 405
adamc@236 406 con sql_aggregate :: Type -> Type
adamc@354 407 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 408 -> t ::: Type
adamc@354 409 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 410 -> sql_exp tables agg exps t
adamc@236 411
adamc@236 412 class sql_summable
adamc@236 413 val sql_summable_int : sql_summable int
adamc@236 414 val sql_summable_float : sql_summable float
adamc@236 415 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 416 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 417
adamc@236 418 class sql_maxable
adamc@236 419 val sql_maxable_int : sql_maxable int
adamc@236 420 val sql_maxable_float : sql_maxable float
adamc@236 421 val sql_maxable_string : sql_maxable string
adamc@437 422 val sql_maxable_time : sql_maxable time
adamc@236 423 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 424 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 425
adamc@441 426 con sql_nfunc :: Type -> Type
adamc@441 427 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 428 -> t ::: Type
adamc@441 429 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 430 val sql_current_timestamp : sql_nfunc time
adamc@441 431
adamc@746 432 con sql_ufunc :: Type -> Type -> Type
adamc@746 433 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 434 -> dom ::: Type -> ran ::: Type
adamc@746 435 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 436 -> sql_exp tables agg exps ran
adamc@746 437 val sql_octet_length : sql_ufunc blob int
adamc@746 438
adamc@235 439
adamc@243 440 (*** Executing queries *)
adamc@243 441
adamc@354 442 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 443 -> [tables ~ exps] =>
adamc@354 444 state ::: Type
adamc@354 445 -> sql_query tables exps
adamc@621 446 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 447 -> state
adamc@354 448 -> transaction state)
adamc@354 449 -> state
adamc@354 450 -> transaction state
adamc@243 451
adamc@243 452
adamc@299 453 (*** Database mutators *)
adamc@299 454
adamc@299 455 type dml
adamc@299 456 val dml : dml -> transaction unit
adamc@299 457
adamc@705 458 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 459 -> sql_table fields uniques
adamc@621 460 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 461 -> dml
adamc@299 462
adamc@705 463 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 464 [changed ~ unchanged] =>
adamc@621 465 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 466 -> sql_table (changed ++ unchanged) uniques
adamc@354 467 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 468 -> dml
adamc@299 469
adamc@705 470 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 471 -> sql_table fields uniques
adamc@354 472 -> sql_exp [T = fields] [] [] bool
adamc@354 473 -> dml
adamc@299 474
adamc@338 475 (*** Sequences *)
adamc@338 476
adamc@338 477 type sql_sequence
adamc@338 478 val nextval : sql_sequence -> transaction int
adamc@338 479
adamc@299 480
adamc@203 481 (** XML *)
adamc@203 482
adamc@721 483 type css_class
adamc@718 484
adamc@720 485 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 486
adamc@720 487 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 488 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 489 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 490 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 491 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 492 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 493 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 494 [useOuter ~ useInner] =>
adamc@629 495 [bindOuter ~ bindInner] =>
adamc@721 496 option css_class
adamc@721 497 -> $attrsGiven
adamc@629 498 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 499 ctxOuter ctxInner useOuter bindOuter
adamc@720 500 -> xml ctxInner useInner bindInner
adamc@720 501 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 502 val join : ctx ::: {Unit}
adamc@720 503 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 504 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 505 xml ctx use1 bind1
adamc@720 506 -> xml ctx (use1 ++ bind1) bind2
adamc@720 507 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 508 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 509 -> bind ::: {Type}
adamc@629 510 -> [use1 ~ use2] =>
adamc@720 511 xml ctx use1 bind
adamc@720 512 -> xml ctx (use1 ++ use2) bind
adamc@91 513
adamc@110 514 con xhtml = xml [Html]
adamc@139 515 con page = xhtml [] []
adamc@720 516 con xbody = xml [Body] [] []
adamc@720 517 con xtr = xml [Body, Tr] [] []
adamc@720 518 con xform = xml [Body, Form] [] []
adamc@110 519
adamc@718 520
adamc@204 521 (*** HTML details *)
adamc@204 522
adamc@140 523 con html = [Html]
adamc@140 524 con head = [Head]
adamc@140 525 con body = [Body]
adamc@361 526 con form = [Body, Form]
adamc@760 527 con subform = [Body, Subform]
adamc@332 528 con tabl = [Body, Table]
adamc@332 529 con tr = [Body, Tr]
adamc@93 530
adamc@724 531 type url
adamc@724 532 val bless : string -> url
adamc@770 533 val checkUrl : string -> option url
adamc@724 534
adamc@847 535 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
adamc@847 536 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
adamc@568 537
adamc@720 538 val head : unit -> tag [] html head [] []
adamc@720 539 val title : unit -> tag [] head [] [] []
adamc@724 540 val link : unit -> tag [Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 541
adamc@892 542 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
adamc@892 543 html body [] []
adamc@354 544 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 545 ctx ::: {Unit} ->
adamc@629 546 [[Body] ~ ctx] =>
adamc@720 547 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 548 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 549 ctx ::: {Unit}
adamc@629 550 -> [[Body] ~ ctx] =>
adamc@720 551 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 552
adamc@141 553 val br : bodyTagStandalone []
adamc@119 554
adamc@892 555 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
adamc@892 556 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
adamc@892 557 Onmousedown = transaction unit, Onmousemove = transaction unit,
adamc@892 558 Onmouseout = transaction unit, Onmouseover = transaction unit,
adamc@894 559 Onmouseup = transaction unit]
adamc@895 560 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
adamc@895 561 Onkeyup = int -> transaction unit]
adamc@895 562 (* Key arguments are character codes. *)
adamc@892 563 con resizeEvents = [Onresize = transaction unit]
adamc@691 564
adamc@892 565 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
adamc@892 566 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
adamc@140 567
adamc@892 568 val span : bodyTag boxEvents
adamc@892 569 val div : bodyTag boxEvents
adamc@469 570
adamc@892 571 val p : bodyTag boxEvents
adamc@892 572 val b : bodyTag boxEvents
adamc@892 573 val i : bodyTag boxEvents
adamc@892 574 val tt : bodyTag boxEvents
adamc@140 575
adamc@892 576 val h1 : bodyTag boxEvents
adamc@892 577 val h2 : bodyTag boxEvents
adamc@892 578 val h3 : bodyTag boxEvents
adamc@892 579 val h4 : bodyTag boxEvents
adamc@893 580 val h5 : bodyTag boxEvents
adamc@893 581 val h6 : bodyTag boxEvents
adamc@410 582
adamc@892 583 val li : bodyTag boxEvents
adamc@892 584 val ol : bodyTag boxEvents
adamc@892 585 val ul : bodyTag boxEvents
adamc@717 586
adamc@892 587 val hr : bodyTag boxEvents
adamc@140 588
adamc@892 589 val a : bodyTag ([Link = transaction page, Href = url] ++ boxEvents)
adamc@892 590
adamc@892 591 val img : bodyTag ([Src = url, Onabort = transaction unit, Onerror = transaction unit,
adamc@892 592 Onload = transaction unit] ++ boxEvents)
adamc@892 593
adamc@720 594 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@756 595 -> [[Body] ~ ctx] =>
adamc@756 596 xml form [] bind
adamc@756 597 -> xml ([Body] ++ ctx) [] []
adamc@756 598
adamc@756 599 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 600 -> [[Form] ~ ctx] =>
adamc@756 601 nm :: Name -> [[nm] ~ use] =>
adamc@756 602 xml form [] bind
adamc@756 603 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 604
adamc@758 605 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@758 606 -> [[Form] ~ ctx] =>
adamc@758 607 nm :: Name -> [[nm] ~ use] =>
adamc@760 608 xml subform [Entry = $bind] []
adamc@758 609 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 610
adamc@758 611 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@758 612 -> [[Subform] ~ ctx] =>
adamc@758 613 xml form [] bind
adamc@758 614 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 615
adamc@361 616 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 617 ctx ::: {Unit}
adamc@629 618 -> [[Form] ~ ctx] =>
adamc@354 619 nm :: Name -> unit
adamc@720 620 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@761 621 val hidden : formTag string [] [Value = string]
adamc@892 622 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@892 623 Ontext = transaction unit] ++ boxEvents)
adamc@892 624 val password : formTag string [] ([Value = string, Size = int] ++ boxEvents)
adamc@892 625 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
adamc@892 626 Ontext = transaction unit] ++ boxEvents)
adamc@153 627
adamc@892 628 val checkbox : formTag bool [] ([Checked = bool] ++ boxEvents)
adamc@190 629
adamc@737 630 type file
adamc@737 631 val fileName : file -> option string
adamc@740 632 val fileMimeType : file -> string
adamc@737 633 val fileData : file -> blob
adamc@737 634
adamc@892 635 val upload : formTag file [] ([Value = string, Size = int] ++ boxEvents)
adamc@737 636
adamc@741 637 type mimeType
adamc@741 638 val blessMime : string -> mimeType
adamc@770 639 val checkMime : string -> option mimeType
adamc@741 640 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 641 val blobSize : blob -> int
adamc@741 642
adamc@153 643 con radio = [Body, Radio]
adamc@361 644 val radio : formTag string radio []
adamc@892 645 val radioOption : unit -> tag ([Value = string] ++ boxEvents) radio [] [] []
adamc@142 646
adamc@154 647 con select = [Select]
adamc@892 648 val select : formTag string select ([Onchange = transaction unit] ++ boxEvents)
adamc@720 649 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 650
adamc@720 651 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 652 -> [[Form] ~ ctx] =>
adamc@354 653 unit
adamc@892 654 -> tag ([Value = string, Action = $use -> transaction page] ++ boxEvents)
adamc@720 655 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 656
adamc@601 657 (*** AJAX-oriented widgets *)
adamc@601 658
adamc@797 659 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 660 ctx ::: {Unit}
adamc@629 661 -> [[Body] ~ ctx] =>
adamc@797 662 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 663
adamc@892 664 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
adamc@892 665 Ontext = transaction unit] ++ boxEvents) []
adamc@892 666 val button : cformTag ([Value = string] ++ boxEvents) []
adamc@797 667
adamc@892 668 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxEvents) []
adamc@817 669
adamc@797 670 con cselect = [Cselect]
adamc@892 671 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxEvents) cselect
adamc@797 672 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 673
adamc@720 674 (*** Tables *)
adamc@720 675
adamc@892 676 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
adamc@892 677 -> tag ([Border = int] ++ boxEvents)
adamc@892 678 ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@892 679 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
adamc@892 680 -> tag tableEvents
adamc@892 681 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@892 682 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@892 683 -> tag tableEvents
adamc@892 684 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@892 685 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
adamc@892 686 -> tag tableEvents
adamc@892 687 ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 688
adamc@283 689
adamc@283 690 (** Aborting *)
adamc@283 691
adamc@726 692 val error : t ::: Type -> xbody -> t
adamc@720 693
adamc@729 694 (* Client-side-only handlers: *)
adamc@726 695 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 696 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 697 val onConnectFail : transaction unit -> transaction unit
adamc@729 698 val onDisconnect : transaction unit -> transaction unit
adamc@729 699 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 700
adamc@727 701 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)