Mercurial > urweb

annotate lib/ur/basis.urs @ 756:8ce31c052dce

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Subforms
author Adam Chlipala <adamc@hcoop.net>
date Tue, 28 Apr 2009 17:26:53 -0400
parents d484df4e841a
children fa2019a63ea4
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@91 13
adamc@256 14 (** Basic type classes *)
adamc@256 15
adamc@256 16 class eq
adamc@256 17 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 18 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 19 val eq_int : eq int
adamc@394 20 val eq_float : eq float
adamc@256 21 val eq_string : eq string
adamc@256 22 val eq_bool : eq bool
adamc@437 23 val eq_time : eq time
adamc@422 24 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 25
adamc@389 26 class num
adamc@417 27 val zero : t ::: Type -> num t -> t
adamc@389 28 val neg : t ::: Type -> num t -> t -> t
adamc@389 29 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 30 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 31 val times : t ::: Type -> num t -> t -> t -> t
adamc@389 32 val div : t ::: Type -> num t -> t -> t -> t
adamc@389 33 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 34 val num_int : num int
adamc@390 35 val num_float : num float
adamc@389 36
adamc@391 37 class ord
adamc@391 38 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 39 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 40 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 41 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 42 val ord_int : ord int
adamc@394 43 val ord_float : ord float
adamc@394 44 val ord_string : ord string
adamc@394 45 val ord_bool : ord bool
adamc@437 46 val ord_time : ord time
adamc@391 47
adamc@256 48
adamc@283 49 (** String operations *)
adamc@283 50
adamc@283 51 val strcat : string -> string -> string
adamc@283 52
adamc@286 53 class show
adamc@286 54 val show : t ::: Type -> show t -> t -> string
adamc@286 55 val show_int : show int
adamc@286 56 val show_float : show float
adamc@286 57 val show_string : show string
adamc@286 58 val show_bool : show bool
adamc@436 59 val show_time : show time
adamc@452 60 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 61
adamc@290 62 class read
adamc@290 63 val read : t ::: Type -> read t -> string -> option t
adamc@292 64 val readError : t ::: Type -> read t -> string -> t
adamc@292 65 (* [readError] calls [error] if the input is malformed. *)
adamc@290 66 val read_int : read int
adamc@290 67 val read_float : read float
adamc@290 68 val read_string : read string
adamc@290 69 val read_bool : read bool
adamc@436 70 val read_time : read time
adamc@288 71
adamc@283 72
adamc@564 73 (** * Monads *)
adamc@564 74
adamc@711 75 class monad :: (Type -> Type) -> Type
adamc@564 76 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 77 -> monad m
adamc@564 78 -> t -> m t
adamc@564 79 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 80 -> monad m
adamc@564 81 -> m t1 -> (t1 -> m t2)
adamc@564 82 -> m t2
adamc@564 83
adamc@456 84 con transaction :: Type -> Type
adamc@564 85 val transaction_monad : monad transaction
adamc@456 86
adamc@565 87 con source :: Type -> Type
adamc@565 88 val source : t ::: Type -> t -> transaction (source t)
adamc@575 89 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 90 val get : t ::: Type -> source t -> transaction t
adamc@565 91
adamc@565 92 con signal :: Type -> Type
adamc@565 93 val signal_monad : monad signal
adamc@565 94 val signal : t ::: Type -> source t -> signal t
adamc@456 95
adamc@456 96
adamc@456 97 (** HTTP operations *)
adamc@456 98
adamc@456 99 val requestHeader : string -> transaction (option string)
adamc@456 100
adamc@459 101 con http_cookie :: Type -> Type
adamc@459 102 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 103 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 104
adamc@456 105
adamc@566 106 (** JavaScript-y gadgets *)
adamc@566 107
adamc@566 108 val alert : string -> transaction unit
adamc@694 109 val spawn : transaction unit -> transaction unit
adamc@695 110 val sleep : int -> transaction unit
adamc@566 111
adamc@566 112
adamc@678 113 (** Channels *)
adamc@678 114
adamc@678 115 con channel :: Type -> Type
adamc@678 116 val channel : t ::: Type -> transaction (channel t)
adamc@678 117 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 118 val recv : t ::: Type -> channel t -> transaction t
adamc@678 119
adamc@682 120 type client
adamc@682 121 val self : transaction client
adamc@682 122
adamc@678 123
adamc@203 124 (** SQL *)
adamc@203 125
adamc@705 126 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 127 con sql_view :: {Type} -> Type
adamc@753 128
adamc@753 129 class fieldsOf :: Type -> {Type} -> Type
adamc@753 130 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 131 -> fieldsOf (sql_table fs keys) fs
adamc@753 132 val fieldsOf_view : fs ::: {Type}
adamc@753 133 -> fieldsOf (sql_view fs) fs
adamc@203 134
adamc@704 135 (*** Constraints *)
adamc@704 136
adamc@707 137 (**** Primary keys *)
adamc@707 138
adamc@707 139 class sql_injectable_prim
adamc@707 140 val sql_bool : sql_injectable_prim bool
adamc@707 141 val sql_int : sql_injectable_prim int
adamc@707 142 val sql_float : sql_injectable_prim float
adamc@707 143 val sql_string : sql_injectable_prim string
adamc@707 144 val sql_time : sql_injectable_prim time
adamc@737 145 val sql_blob : sql_injectable_prim blob
adamc@707 146 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 147 val sql_client : sql_injectable_prim client
adamc@707 148
adamc@707 149 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 150 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 151 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 152 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 153 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 154 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 155 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 156
adamc@707 157 (**** Other constraints *)
adamc@707 158
adamc@705 159 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 160 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 161
adamc@705 162 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 163
adamc@705 164 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 165 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 166 -> sql_constraint fs unique
adamc@705 167 -> sql_constraints fs [name = unique]
adamc@705 168 val join_constraints : fs ::: {Type}
adamc@705 169 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 170 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 171 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 172
adamc@709 173
adamc@705 174 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 175 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 176 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 177
adamc@712 178 class linkable :: Type -> Type -> Type
adamc@712 179 val linkable_same : t ::: Type -> linkable t t
adamc@712 180 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 181 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 182
adamc@709 183 con matching :: {Type} -> {Type} -> Type
adamc@709 184 val mat_nil : matching [] []
adamc@712 185 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 186 -> nm1 :: Name -> nm2 :: Name
adamc@709 187 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 188 => linkable t1 t2
adamc@712 189 -> matching rest1 rest2
adamc@712 190 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 191
adamc@709 192 con propagation_mode :: {Type} -> Type
adamc@709 193 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 194 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 195 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 196 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 197
adamc@709 198
adamc@709 199 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 200 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 201 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 202 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 203 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 204 => matching ([mine1 = t] ++ mine) foreign
adamc@709 205 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 206 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 207 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 208 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 209
adamc@714 210 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@714 211
adamc@714 212 val check : fs ::: {Type}
adamc@714 213 -> sql_exp [] [] fs bool
adamc@714 214 -> sql_constraint fs []
adamc@714 215
adamc@714 216
adamc@704 217
adamc@204 218 (*** Queries *)
adamc@204 219
adamc@233 220 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 221 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 222
adamc@223 223 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 224 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 225 -> sql_subset
adamc@621 226 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 227 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 228 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 229
adamc@748 230 con sql_from_items :: {{Type}} -> Type
adamc@748 231
adamc@753 232 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 233 -> fieldsOf t fs -> name :: Name
adamc@753 234 -> t -> sql_from_items [name = fs]
adamc@748 235 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 236 -> [tabs1 ~ tabs2]
adamc@748 237 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 238 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 239 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 240 -> [tabs1 ~ tabs2]
adamc@749 241 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 242 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 243 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 244
adamc@750 245 class nullify :: Type -> Type -> Type
adamc@750 246 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 247 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 248
adamc@750 249 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 250 -> [tabs1 ~ tabs2]
adamc@750 251 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 252 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 253 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 254 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 255
adamc@751 256 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 257 -> [tabs1 ~ tabs2]
adamc@751 258 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 259 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 260 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 261 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 262
adamc@751 263 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 264 -> [tabs1 ~ tabs2]
adamc@751 265 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 266 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 267 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@751 268 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
adamc@751 269 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
adamc@751 270
adamc@748 271 val sql_query1 : tables ::: {{Type}}
adamc@354 272 -> grouped ::: {{Type}}
adamc@354 273 -> selectedFields ::: {{Type}}
adamc@354 274 -> selectedExps ::: {Type}
adamc@748 275 -> {From : sql_from_items tables,
adamc@748 276 Where : sql_exp tables [] [] bool,
adamc@748 277 GroupBy : sql_subset tables grouped,
adamc@748 278 Having : sql_exp grouped tables [] bool,
adamc@354 279 SelectFields : sql_subset grouped selectedFields,
adamc@748 280 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 281 selectedExps) }
adamc@748 282 -> sql_query1 tables selectedFields selectedExps
adamc@229 283
adamc@229 284 type sql_relop
adamc@229 285 val sql_union : sql_relop
adamc@229 286 val sql_intersect : sql_relop
adamc@229 287 val sql_except : sql_relop
adamc@260 288 val sql_relop : tables1 ::: {{Type}}
adamc@354 289 -> tables2 ::: {{Type}}
adamc@354 290 -> selectedFields ::: {{Type}}
adamc@354 291 -> selectedExps ::: {Type}
adamc@354 292 -> sql_relop
adamc@354 293 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 294 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 295 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 296
adamc@230 297 type sql_direction
adamc@230 298 val sql_asc : sql_direction
adamc@230 299 val sql_desc : sql_direction
adamc@230 300
adamc@234 301 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 302 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 303 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 304 -> sql_exp tables [] exps t -> sql_direction
adamc@354 305 -> sql_order_by tables exps
adamc@354 306 -> sql_order_by tables exps
adamc@230 307
adamc@231 308 type sql_limit
adamc@231 309 val sql_no_limit : sql_limit
adamc@231 310 val sql_limit : int -> sql_limit
adamc@354 311
adamc@232 312 type sql_offset
adamc@232 313 val sql_no_offset : sql_offset
adamc@232 314 val sql_offset : int -> sql_offset
adamc@232 315
adamc@229 316 val sql_query : tables ::: {{Type}}
adamc@354 317 -> selectedFields ::: {{Type}}
adamc@354 318 -> selectedExps ::: {Type}
adamc@354 319 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 320 OrderBy : sql_order_by tables selectedExps,
adamc@354 321 Limit : sql_limit,
adamc@354 322 Offset : sql_offset}
adamc@354 323 -> sql_query selectedFields selectedExps
adamc@204 324
adamc@354 325 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 326 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 327 -> exps ::: {Type}
adamc@354 328 -> tab :: Name -> field :: Name
adamc@354 329 -> sql_exp
adamc@354 330 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 331 agg exps fieldType
adamc@234 332
adamc@354 333 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 334 -> nm :: Name
adamc@354 335 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 336
adamc@221 337 class sql_injectable
adamc@676 338 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 339 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 340
adamc@354 341 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 342 -> t ::: Type
adamc@354 343 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 344
adamc@470 345 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 346 -> t ::: Type
adamc@470 347 -> sql_exp tables agg exps (option t)
adamc@470 348 -> sql_exp tables agg exps bool
adamc@470 349
adamc@559 350 class sql_arith
adamc@559 351 val sql_int_arith : sql_arith int
adamc@559 352 val sql_float_arith : sql_arith float
adamc@559 353
adamc@220 354 con sql_unary :: Type -> Type -> Type
adamc@220 355 val sql_not : sql_unary bool bool
adamc@354 356 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 357 -> arg ::: Type -> res ::: Type
adamc@354 358 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 359 -> sql_exp tables agg exps res
adamc@220 360
adamc@559 361 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 362
adamc@220 363 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 364 val sql_and : sql_binary bool bool bool
adamc@220 365 val sql_or : sql_binary bool bool bool
adamc@234 366 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 367 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 368 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 369 -> sql_exp tables agg exps arg2
adamc@354 370 -> sql_exp tables agg exps res
adamc@220 371
adamc@559 372 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 373 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 374 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 375 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 376 val sql_mod : sql_binary int int int
adamc@559 377
adamc@559 378 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 379 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 380 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 381 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 382 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 383 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 384
adamc@235 385 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 386 -> sql_exp tables agg exps int
adamc@235 387
adamc@236 388 con sql_aggregate :: Type -> Type
adamc@354 389 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 390 -> t ::: Type
adamc@354 391 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 392 -> sql_exp tables agg exps t
adamc@236 393
adamc@236 394 class sql_summable
adamc@236 395 val sql_summable_int : sql_summable int
adamc@236 396 val sql_summable_float : sql_summable float
adamc@236 397 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 398 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 399
adamc@236 400 class sql_maxable
adamc@236 401 val sql_maxable_int : sql_maxable int
adamc@236 402 val sql_maxable_float : sql_maxable float
adamc@236 403 val sql_maxable_string : sql_maxable string
adamc@437 404 val sql_maxable_time : sql_maxable time
adamc@236 405 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 406 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 407
adamc@441 408 con sql_nfunc :: Type -> Type
adamc@441 409 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 410 -> t ::: Type
adamc@441 411 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 412 val sql_current_timestamp : sql_nfunc time
adamc@441 413
adamc@746 414 con sql_ufunc :: Type -> Type -> Type
adamc@746 415 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 416 -> dom ::: Type -> ran ::: Type
adamc@746 417 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 418 -> sql_exp tables agg exps ran
adamc@746 419 val sql_octet_length : sql_ufunc blob int
adamc@746 420
adamc@235 421
adamc@243 422 (*** Executing queries *)
adamc@243 423
adamc@354 424 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 425 -> [tables ~ exps] =>
adamc@354 426 state ::: Type
adamc@354 427 -> sql_query tables exps
adamc@621 428 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 429 -> state
adamc@354 430 -> transaction state)
adamc@354 431 -> state
adamc@354 432 -> transaction state
adamc@243 433
adamc@243 434
adamc@299 435 (*** Database mutators *)
adamc@299 436
adamc@299 437 type dml
adamc@299 438 val dml : dml -> transaction unit
adamc@299 439
adamc@705 440 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 441 -> sql_table fields uniques
adamc@621 442 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 443 -> dml
adamc@299 444
adamc@705 445 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 446 [changed ~ unchanged] =>
adamc@621 447 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 448 -> sql_table (changed ++ unchanged) uniques
adamc@354 449 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 450 -> dml
adamc@299 451
adamc@705 452 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 453 -> sql_table fields uniques
adamc@354 454 -> sql_exp [T = fields] [] [] bool
adamc@354 455 -> dml
adamc@299 456
adamc@338 457 (*** Sequences *)
adamc@338 458
adamc@338 459 type sql_sequence
adamc@338 460 val nextval : sql_sequence -> transaction int
adamc@338 461
adamc@299 462
adamc@203 463 (** XML *)
adamc@203 464
adamc@721 465 type css_class
adamc@718 466
adamc@720 467 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 468
adamc@720 469 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 470 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 471 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 472 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 473 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 474 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 475 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 476 [useOuter ~ useInner] =>
adamc@629 477 [bindOuter ~ bindInner] =>
adamc@721 478 option css_class
adamc@721 479 -> $attrsGiven
adamc@629 480 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 481 ctxOuter ctxInner useOuter bindOuter
adamc@720 482 -> xml ctxInner useInner bindInner
adamc@720 483 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 484 val join : ctx ::: {Unit}
adamc@720 485 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 486 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 487 xml ctx use1 bind1
adamc@720 488 -> xml ctx (use1 ++ bind1) bind2
adamc@720 489 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 490 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 491 -> bind ::: {Type}
adamc@629 492 -> [use1 ~ use2] =>
adamc@720 493 xml ctx use1 bind
adamc@720 494 -> xml ctx (use1 ++ use2) bind
adamc@91 495
adamc@110 496 con xhtml = xml [Html]
adamc@139 497 con page = xhtml [] []
adamc@720 498 con xbody = xml [Body] [] []
adamc@720 499 con xtr = xml [Body, Tr] [] []
adamc@720 500 con xform = xml [Body, Form] [] []
adamc@110 501
adamc@718 502
adamc@204 503 (*** HTML details *)
adamc@204 504
adamc@140 505 con html = [Html]
adamc@140 506 con head = [Head]
adamc@140 507 con body = [Body]
adamc@361 508 con form = [Body, Form]
adamc@332 509 con tabl = [Body, Table]
adamc@332 510 con tr = [Body, Tr]
adamc@93 511
adamc@724 512 type url
adamc@724 513 val bless : string -> url
adamc@724 514
adamc@720 515 val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@720 516 -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568 517
adamc@720 518 val head : unit -> tag [] html head [] []
adamc@720 519 val title : unit -> tag [] head [] [] []
adamc@724 520 val link : unit -> tag [Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 521
adamc@720 522 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 523 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 524 ctx ::: {Unit} ->
adamc@629 525 [[Body] ~ ctx] =>
adamc@720 526 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 527 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 528 ctx ::: {Unit}
adamc@629 529 -> [[Body] ~ ctx] =>
adamc@720 530 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 531
adamc@141 532 val br : bodyTagStandalone []
adamc@119 533
adamc@691 534 val span : bodyTag []
adamc@691 535
adamc@140 536 val p : bodyTag []
adamc@140 537 val b : bodyTag []
adamc@140 538 val i : bodyTag []
adamc@407 539 val tt : bodyTag []
adamc@140 540 val font : bodyTag [Size = int, Face = string]
adamc@140 541
adamc@140 542 val h1 : bodyTag []
adamc@443 543 val h2 : bodyTag []
adamc@443 544 val h3 : bodyTag []
adamc@443 545 val h4 : bodyTag []
adamc@469 546
adamc@140 547 val li : bodyTag []
adamc@469 548 val ol : bodyTag []
adamc@469 549 val ul : bodyTag []
adamc@140 550
adamc@410 551 val hr : bodyTag []
adamc@410 552
adamc@720 553 val a : bodyTag [Link = transaction page, Href = url, Onclick = transaction unit]
adamc@717 554
adamc@717 555 val img : bodyTag [Src = url]
adamc@140 556
adamc@720 557 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@756 558 -> [[Body] ~ ctx] =>
adamc@756 559 xml form [] bind
adamc@756 560 -> xml ([Body] ++ ctx) [] []
adamc@756 561
adamc@756 562 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 563 -> [[Form] ~ ctx] =>
adamc@756 564 nm :: Name -> [[nm] ~ use] =>
adamc@756 565 xml form [] bind
adamc@756 566 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@756 567
adamc@361 568 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 569 ctx ::: {Unit}
adamc@629 570 -> [[Form] ~ ctx] =>
adamc@354 571 nm :: Name -> unit
adamc@720 572 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@598 573 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 574 val password : formTag string [] [Value = string, Size = int]
adamc@444 575 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 576
adamc@361 577 val checkbox : formTag bool [] [Checked = bool]
adamc@190 578
adamc@737 579 type file
adamc@737 580 val fileName : file -> option string
adamc@740 581 val fileMimeType : file -> string
adamc@737 582 val fileData : file -> blob
adamc@737 583
adamc@739 584 val upload : formTag file [] [Value = string, Size = int]
adamc@737 585
adamc@741 586 type mimeType
adamc@741 587 val blessMime : string -> mimeType
adamc@741 588 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 589 val blobSize : blob -> int
adamc@741 590
adamc@153 591 con radio = [Body, Radio]
adamc@361 592 val radio : formTag string radio []
adamc@720 593 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 594
adamc@154 595 con select = [Select]
adamc@361 596 val select : formTag string select []
adamc@720 597 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 598
adamc@720 599 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 600 -> [[Form] ~ ctx] =>
adamc@354 601 unit
adamc@720 602 -> tag [Value = string, Action = $use -> transaction page]
adamc@720 603 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 604
adamc@601 605 (*** AJAX-oriented widgets *)
adamc@601 606
adamc@601 607 con cformTag = fn (attrs :: {Type}) =>
adamc@601 608 ctx ::: {Unit}
adamc@629 609 -> [[Body] ~ ctx] =>
adamc@720 610 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601 611
adamc@601 612 val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601 613 val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601 614
adamc@720 615 (*** Tables *)
adamc@720 616
adamc@720 617 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@720 618 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@720 619 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@720 620 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@720 621 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@720 622 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 623 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@720 624 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 625
adamc@283 626
adamc@283 627 (** Aborting *)
adamc@283 628
adamc@726 629 val error : t ::: Type -> xbody -> t
adamc@720 630
adamc@729 631 (* Client-side-only handlers: *)
adamc@726 632 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 633 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 634 val onConnectFail : transaction unit -> transaction unit
adamc@729 635 val onDisconnect : transaction unit -> transaction unit
adamc@729 636 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 637
adamc@727 638 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)