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Demo compiles with pattern-matching-fu
author Adam Chlipala <adamc@hcoop.net>
date Thu, 28 May 2009 10:35:25 -0400
parents 395a5d450cc0
children 14a6c0971d89
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@283 56 val strcat : string -> string -> string
adamc@821 57 val strsub : string -> int -> char
adamc@821 58 val strsuffix : string -> int -> string
adamc@283 59
adamc@286 60 class show
adamc@286 61 val show : t ::: Type -> show t -> t -> string
adamc@286 62 val show_int : show int
adamc@286 63 val show_float : show float
adamc@286 64 val show_string : show string
adamc@821 65 val show_char : show char
adamc@286 66 val show_bool : show bool
adamc@436 67 val show_time : show time
adamc@452 68 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 69
adamc@290 70 class read
adamc@290 71 val read : t ::: Type -> read t -> string -> option t
adamc@292 72 val readError : t ::: Type -> read t -> string -> t
adamc@292 73 (* [readError] calls [error] if the input is malformed. *)
adamc@290 74 val read_int : read int
adamc@290 75 val read_float : read float
adamc@290 76 val read_string : read string
adamc@821 77 val read_char : read char
adamc@290 78 val read_bool : read bool
adamc@436 79 val read_time : read time
adamc@777 80 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
adamc@288 81
adamc@283 82
adamc@564 83 (** * Monads *)
adamc@564 84
adamc@711 85 class monad :: (Type -> Type) -> Type
adamc@564 86 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 87 -> monad m
adamc@564 88 -> t -> m t
adamc@564 89 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 90 -> monad m
adamc@564 91 -> m t1 -> (t1 -> m t2)
adamc@564 92 -> m t2
adamc@564 93
adamc@456 94 con transaction :: Type -> Type
adamc@564 95 val transaction_monad : monad transaction
adamc@456 96
adamc@565 97 con source :: Type -> Type
adamc@565 98 val source : t ::: Type -> t -> transaction (source t)
adamc@575 99 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 100 val get : t ::: Type -> source t -> transaction t
adamc@565 101
adamc@565 102 con signal :: Type -> Type
adamc@565 103 val signal_monad : monad signal
adamc@565 104 val signal : t ::: Type -> source t -> signal t
adamc@456 105
adamc@456 106
adamc@456 107 (** HTTP operations *)
adamc@456 108
adamc@456 109 val requestHeader : string -> transaction (option string)
adamc@456 110
adamc@459 111 con http_cookie :: Type -> Type
adamc@459 112 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 113 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 114
adamc@456 115
adamc@566 116 (** JavaScript-y gadgets *)
adamc@566 117
adamc@566 118 val alert : string -> transaction unit
adamc@694 119 val spawn : transaction unit -> transaction unit
adamc@695 120 val sleep : int -> transaction unit
adamc@566 121
adamc@566 122
adamc@678 123 (** Channels *)
adamc@678 124
adamc@678 125 con channel :: Type -> Type
adamc@678 126 val channel : t ::: Type -> transaction (channel t)
adamc@678 127 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 128 val recv : t ::: Type -> channel t -> transaction t
adamc@678 129
adamc@682 130 type client
adamc@682 131 val self : transaction client
adamc@682 132
adamc@678 133
adamc@203 134 (** SQL *)
adamc@203 135
adamc@705 136 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@753 137 con sql_view :: {Type} -> Type
adamc@753 138
adamc@753 139 class fieldsOf :: Type -> {Type} -> Type
adamc@753 140 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
adamc@753 141 -> fieldsOf (sql_table fs keys) fs
adamc@753 142 val fieldsOf_view : fs ::: {Type}
adamc@753 143 -> fieldsOf (sql_view fs) fs
adamc@203 144
adamc@704 145 (*** Constraints *)
adamc@704 146
adamc@707 147 (**** Primary keys *)
adamc@707 148
adamc@707 149 class sql_injectable_prim
adamc@707 150 val sql_bool : sql_injectable_prim bool
adamc@707 151 val sql_int : sql_injectable_prim int
adamc@707 152 val sql_float : sql_injectable_prim float
adamc@707 153 val sql_string : sql_injectable_prim string
adamc@707 154 val sql_time : sql_injectable_prim time
adamc@737 155 val sql_blob : sql_injectable_prim blob
adamc@707 156 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 157 val sql_client : sql_injectable_prim client
adamc@707 158
adamc@707 159 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 160 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 161 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 162 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 163 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 164 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 165 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 166
adamc@707 167 (**** Other constraints *)
adamc@707 168
adamc@705 169 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 170 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 171
adamc@705 172 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 173
adamc@705 174 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 175 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 176 -> sql_constraint fs unique
adamc@705 177 -> sql_constraints fs [name = unique]
adamc@705 178 val join_constraints : fs ::: {Type}
adamc@705 179 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 180 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 181 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 182
adamc@709 183
adamc@705 184 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 185 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 186 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 187
adamc@712 188 class linkable :: Type -> Type -> Type
adamc@712 189 val linkable_same : t ::: Type -> linkable t t
adamc@712 190 val linkable_from_nullable : t ::: Type -> linkable (option t) t
adamc@712 191 val linkable_to_nullable : t ::: Type -> linkable t (option t)
adamc@712 192
adamc@709 193 con matching :: {Type} -> {Type} -> Type
adamc@709 194 val mat_nil : matching [] []
adamc@712 195 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
adamc@709 196 -> nm1 :: Name -> nm2 :: Name
adamc@709 197 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@712 198 => linkable t1 t2
adamc@712 199 -> matching rest1 rest2
adamc@712 200 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
adamc@709 201
adamc@709 202 con propagation_mode :: {Type} -> Type
adamc@709 203 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 204 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 205 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 206 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 207
adamc@709 208
adamc@709 209 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 210 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 211 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 212 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 213 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 214 => matching ([mine1 = t] ++ mine) foreign
adamc@709 215 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 216 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 217 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 218 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 219
adamc@714 220 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@714 221
adamc@714 222 val check : fs ::: {Type}
adamc@714 223 -> sql_exp [] [] fs bool
adamc@714 224 -> sql_constraint fs []
adamc@714 225
adamc@714 226
adamc@704 227
adamc@204 228 (*** Queries *)
adamc@204 229
adamc@233 230 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 231 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@204 232
adamc@223 233 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 234 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 235 -> sql_subset
adamc@621 236 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 237 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 238 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 239
adamc@748 240 con sql_from_items :: {{Type}} -> Type
adamc@748 241
adamc@753 242 val sql_from_table : t ::: Type -> fs ::: {Type}
adamc@753 243 -> fieldsOf t fs -> name :: Name
adamc@753 244 -> t -> sql_from_items [name = fs]
adamc@748 245 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@748 246 -> [tabs1 ~ tabs2]
adamc@748 247 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@748 248 -> sql_from_items (tabs1 ++ tabs2)
adamc@749 249 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
adamc@749 250 -> [tabs1 ~ tabs2]
adamc@749 251 => sql_from_items tabs1 -> sql_from_items tabs2
adamc@749 252 -> sql_exp (tabs1 ++ tabs2) [] [] bool
adamc@749 253 -> sql_from_items (tabs1 ++ tabs2)
adamc@748 254
adamc@750 255 class nullify :: Type -> Type -> Type
adamc@750 256 val nullify_option : t ::: Type -> nullify (option t) (option t)
adamc@750 257 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
adamc@750 258
adamc@750 259 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
adamc@750 260 -> [tabs1 ~ tabs2]
adamc@750 261 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
adamc@750 262 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
adamc@750 263 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
adamc@750 264 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
adamc@750 265
adamc@751 266 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
adamc@751 267 -> [tabs1 ~ tabs2]
adamc@751 268 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
adamc@751 269 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
adamc@751 270 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
adamc@751 271 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
adamc@751 272
adamc@751 273 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
adamc@751 274 -> [tabs1 ~ tabs2]
adamc@751 275 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
adamc@751 276 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
adamc@751 277 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) 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@748 281 val sql_query1 : tables ::: {{Type}}
adamc@354 282 -> grouped ::: {{Type}}
adamc@354 283 -> selectedFields ::: {{Type}}
adamc@354 284 -> selectedExps ::: {Type}
adamc@748 285 -> {From : sql_from_items tables,
adamc@748 286 Where : sql_exp tables [] [] bool,
adamc@748 287 GroupBy : sql_subset tables grouped,
adamc@748 288 Having : sql_exp grouped tables [] bool,
adamc@354 289 SelectFields : sql_subset grouped selectedFields,
adamc@748 290 SelectExps : $(map (sql_exp grouped tables [])
adamc@705 291 selectedExps) }
adamc@748 292 -> sql_query1 tables selectedFields selectedExps
adamc@229 293
adamc@229 294 type sql_relop
adamc@229 295 val sql_union : sql_relop
adamc@229 296 val sql_intersect : sql_relop
adamc@229 297 val sql_except : sql_relop
adamc@260 298 val sql_relop : tables1 ::: {{Type}}
adamc@354 299 -> tables2 ::: {{Type}}
adamc@354 300 -> selectedFields ::: {{Type}}
adamc@354 301 -> selectedExps ::: {Type}
adamc@354 302 -> sql_relop
adamc@354 303 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 304 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 305 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 306
adamc@230 307 type sql_direction
adamc@230 308 val sql_asc : sql_direction
adamc@230 309 val sql_desc : sql_direction
adamc@230 310
adamc@234 311 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 312 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 313 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 314 -> sql_exp tables [] exps t -> sql_direction
adamc@354 315 -> sql_order_by tables exps
adamc@354 316 -> sql_order_by tables exps
adamc@230 317
adamc@231 318 type sql_limit
adamc@231 319 val sql_no_limit : sql_limit
adamc@231 320 val sql_limit : int -> sql_limit
adamc@354 321
adamc@232 322 type sql_offset
adamc@232 323 val sql_no_offset : sql_offset
adamc@232 324 val sql_offset : int -> sql_offset
adamc@232 325
adamc@229 326 val sql_query : tables ::: {{Type}}
adamc@354 327 -> selectedFields ::: {{Type}}
adamc@354 328 -> selectedExps ::: {Type}
adamc@354 329 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 330 OrderBy : sql_order_by tables selectedExps,
adamc@354 331 Limit : sql_limit,
adamc@354 332 Offset : sql_offset}
adamc@354 333 -> sql_query selectedFields selectedExps
adamc@204 334
adamc@354 335 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 336 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 337 -> exps ::: {Type}
adamc@354 338 -> tab :: Name -> field :: Name
adamc@354 339 -> sql_exp
adamc@354 340 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 341 agg exps fieldType
adamc@234 342
adamc@354 343 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 344 -> nm :: Name
adamc@354 345 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 346
adamc@221 347 class sql_injectable
adamc@676 348 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 349 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 350
adamc@354 351 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 352 -> t ::: Type
adamc@354 353 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 354
adamc@470 355 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 356 -> t ::: Type
adamc@470 357 -> sql_exp tables agg exps (option t)
adamc@470 358 -> sql_exp tables agg exps bool
adamc@470 359
adamc@559 360 class sql_arith
adamc@559 361 val sql_int_arith : sql_arith int
adamc@559 362 val sql_float_arith : sql_arith float
adamc@559 363
adamc@220 364 con sql_unary :: Type -> Type -> Type
adamc@220 365 val sql_not : sql_unary bool bool
adamc@354 366 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 367 -> arg ::: Type -> res ::: Type
adamc@354 368 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 369 -> sql_exp tables agg exps res
adamc@220 370
adamc@559 371 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 372
adamc@220 373 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 374 val sql_and : sql_binary bool bool bool
adamc@220 375 val sql_or : sql_binary bool bool bool
adamc@234 376 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 377 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 378 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 379 -> sql_exp tables agg exps arg2
adamc@354 380 -> sql_exp tables agg exps res
adamc@220 381
adamc@559 382 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 383 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 384 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 385 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 386 val sql_mod : sql_binary int int int
adamc@559 387
adamc@559 388 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 389 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 390 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 391 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 392 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 393 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 394
adamc@235 395 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 396 -> sql_exp tables agg exps int
adamc@235 397
adamc@236 398 con sql_aggregate :: Type -> Type
adamc@354 399 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 400 -> t ::: Type
adamc@354 401 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 402 -> sql_exp tables agg exps t
adamc@236 403
adamc@236 404 class sql_summable
adamc@236 405 val sql_summable_int : sql_summable int
adamc@236 406 val sql_summable_float : sql_summable float
adamc@236 407 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 408 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 409
adamc@236 410 class sql_maxable
adamc@236 411 val sql_maxable_int : sql_maxable int
adamc@236 412 val sql_maxable_float : sql_maxable float
adamc@236 413 val sql_maxable_string : sql_maxable string
adamc@437 414 val sql_maxable_time : sql_maxable time
adamc@236 415 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 416 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 417
adamc@441 418 con sql_nfunc :: Type -> Type
adamc@441 419 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 420 -> t ::: Type
adamc@441 421 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 422 val sql_current_timestamp : sql_nfunc time
adamc@441 423
adamc@746 424 con sql_ufunc :: Type -> Type -> Type
adamc@746 425 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@746 426 -> dom ::: Type -> ran ::: Type
adamc@746 427 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
adamc@746 428 -> sql_exp tables agg exps ran
adamc@746 429 val sql_octet_length : sql_ufunc blob int
adamc@746 430
adamc@235 431
adamc@243 432 (*** Executing queries *)
adamc@243 433
adamc@354 434 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 435 -> [tables ~ exps] =>
adamc@354 436 state ::: Type
adamc@354 437 -> sql_query tables exps
adamc@621 438 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 439 -> state
adamc@354 440 -> transaction state)
adamc@354 441 -> state
adamc@354 442 -> transaction state
adamc@243 443
adamc@243 444
adamc@299 445 (*** Database mutators *)
adamc@299 446
adamc@299 447 type dml
adamc@299 448 val dml : dml -> transaction unit
adamc@299 449
adamc@705 450 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 451 -> sql_table fields uniques
adamc@621 452 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 453 -> dml
adamc@299 454
adamc@705 455 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 456 [changed ~ unchanged] =>
adamc@621 457 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 458 -> sql_table (changed ++ unchanged) uniques
adamc@354 459 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 460 -> dml
adamc@299 461
adamc@705 462 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 463 -> sql_table fields uniques
adamc@354 464 -> sql_exp [T = fields] [] [] bool
adamc@354 465 -> dml
adamc@299 466
adamc@338 467 (*** Sequences *)
adamc@338 468
adamc@338 469 type sql_sequence
adamc@338 470 val nextval : sql_sequence -> transaction int
adamc@338 471
adamc@299 472
adamc@203 473 (** XML *)
adamc@203 474
adamc@721 475 type css_class
adamc@718 476
adamc@720 477 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 478
adamc@720 479 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@720 480 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 481 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 482 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 483 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 484 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 485 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 486 [useOuter ~ useInner] =>
adamc@629 487 [bindOuter ~ bindInner] =>
adamc@721 488 option css_class
adamc@721 489 -> $attrsGiven
adamc@629 490 -> tag (attrsGiven ++ attrsAbsent)
adamc@720 491 ctxOuter ctxInner useOuter bindOuter
adamc@720 492 -> xml ctxInner useInner bindInner
adamc@720 493 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 494 val join : ctx ::: {Unit}
adamc@720 495 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@720 496 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@720 497 xml ctx use1 bind1
adamc@720 498 -> xml ctx (use1 ++ bind1) bind2
adamc@720 499 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 500 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@720 501 -> bind ::: {Type}
adamc@629 502 -> [use1 ~ use2] =>
adamc@720 503 xml ctx use1 bind
adamc@720 504 -> xml ctx (use1 ++ use2) bind
adamc@91 505
adamc@110 506 con xhtml = xml [Html]
adamc@139 507 con page = xhtml [] []
adamc@720 508 con xbody = xml [Body] [] []
adamc@720 509 con xtr = xml [Body, Tr] [] []
adamc@720 510 con xform = xml [Body, Form] [] []
adamc@110 511
adamc@718 512
adamc@204 513 (*** HTML details *)
adamc@204 514
adamc@140 515 con html = [Html]
adamc@140 516 con head = [Head]
adamc@140 517 con body = [Body]
adamc@361 518 con form = [Body, Form]
adamc@760 519 con subform = [Body, Subform]
adamc@332 520 con tabl = [Body, Table]
adamc@332 521 con tr = [Body, Tr]
adamc@93 522
adamc@724 523 type url
adamc@724 524 val bless : string -> url
adamc@770 525 val checkUrl : string -> option url
adamc@724 526
adamc@720 527 val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@720 528 -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568 529
adamc@720 530 val head : unit -> tag [] html head [] []
adamc@720 531 val title : unit -> tag [] head [] [] []
adamc@724 532 val link : unit -> tag [Rel = string, Typ = string, Href = url, Media = string] head [] [] []
adamc@110 533
adamc@720 534 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 535 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 536 ctx ::: {Unit} ->
adamc@629 537 [[Body] ~ ctx] =>
adamc@720 538 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 539 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 540 ctx ::: {Unit}
adamc@629 541 -> [[Body] ~ ctx] =>
adamc@720 542 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 543
adamc@141 544 val br : bodyTagStandalone []
adamc@119 545
adamc@691 546 val span : bodyTag []
adamc@775 547 val div : bodyTag []
adamc@691 548
adamc@140 549 val p : bodyTag []
adamc@140 550 val b : bodyTag []
adamc@140 551 val i : bodyTag []
adamc@407 552 val tt : bodyTag []
adamc@140 553 val font : bodyTag [Size = int, Face = string]
adamc@140 554
adamc@140 555 val h1 : bodyTag []
adamc@443 556 val h2 : bodyTag []
adamc@443 557 val h3 : bodyTag []
adamc@443 558 val h4 : bodyTag []
adamc@469 559
adamc@140 560 val li : bodyTag []
adamc@469 561 val ol : bodyTag []
adamc@469 562 val ul : bodyTag []
adamc@140 563
adamc@410 564 val hr : bodyTag []
adamc@410 565
adamc@720 566 val a : bodyTag [Link = transaction page, Href = url, Onclick = transaction unit]
adamc@717 567
adamc@717 568 val img : bodyTag [Src = url]
adamc@140 569
adamc@720 570 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@756 571 -> [[Body] ~ ctx] =>
adamc@756 572 xml form [] bind
adamc@756 573 -> xml ([Body] ++ ctx) [] []
adamc@756 574
adamc@756 575 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@756 576 -> [[Form] ~ ctx] =>
adamc@756 577 nm :: Name -> [[nm] ~ use] =>
adamc@756 578 xml form [] bind
adamc@756 579 -> xml ([Form] ++ ctx) use [nm = $bind]
adamc@758 580
adamc@758 581 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
adamc@758 582 -> [[Form] ~ ctx] =>
adamc@758 583 nm :: Name -> [[nm] ~ use] =>
adamc@760 584 xml subform [Entry = $bind] []
adamc@758 585 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
adamc@758 586
adamc@758 587 val entry : ctx ::: {Unit} -> bind ::: {Type}
adamc@758 588 -> [[Subform] ~ ctx] =>
adamc@758 589 xml form [] bind
adamc@758 590 -> xml ([Subform] ++ ctx) [Entry = $bind] []
adamc@758 591
adamc@361 592 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 593 ctx ::: {Unit}
adamc@629 594 -> [[Form] ~ ctx] =>
adamc@354 595 nm :: Name -> unit
adamc@720 596 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@761 597 val hidden : formTag string [] [Value = string]
adamc@598 598 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 599 val password : formTag string [] [Value = string, Size = int]
adamc@444 600 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 601
adamc@361 602 val checkbox : formTag bool [] [Checked = bool]
adamc@190 603
adamc@737 604 type file
adamc@737 605 val fileName : file -> option string
adamc@740 606 val fileMimeType : file -> string
adamc@737 607 val fileData : file -> blob
adamc@737 608
adamc@739 609 val upload : formTag file [] [Value = string, Size = int]
adamc@737 610
adamc@741 611 type mimeType
adamc@741 612 val blessMime : string -> mimeType
adamc@770 613 val checkMime : string -> option mimeType
adamc@741 614 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
adamc@745 615 val blobSize : blob -> int
adamc@741 616
adamc@153 617 con radio = [Body, Radio]
adamc@361 618 val radio : formTag string radio []
adamc@720 619 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 620
adamc@154 621 con select = [Select]
adamc@361 622 val select : formTag string select []
adamc@720 623 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 624
adamc@720 625 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 626 -> [[Form] ~ ctx] =>
adamc@354 627 unit
adamc@720 628 -> tag [Value = string, Action = $use -> transaction page]
adamc@720 629 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 630
adamc@601 631 (*** AJAX-oriented widgets *)
adamc@601 632
adamc@797 633 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
adamc@601 634 ctx ::: {Unit}
adamc@629 635 -> [[Body] ~ ctx] =>
adamc@797 636 unit -> tag attrs ([Body] ++ ctx) inner [] []
adamc@601 637
adamc@797 638 val ctextbox : cformTag [Value = string, Size = int, Source = source string] []
adamc@797 639 val button : cformTag [Value = string, Onclick = transaction unit] []
adamc@797 640
adamc@817 641 val ccheckbox : cformTag [Value = bool, Size = int, Source = source bool] []
adamc@817 642
adamc@797 643 con cselect = [Cselect]
adamc@799 644 val cselect : cformTag [Source = source string,
adamc@799 645 Onchange = transaction unit] cselect
adamc@797 646 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
adamc@601 647
adamc@720 648 (*** Tables *)
adamc@720 649
adamc@720 650 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@720 651 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@720 652 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@720 653 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@720 654 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@720 655 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 656 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@720 657 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@720 658
adamc@283 659
adamc@283 660 (** Aborting *)
adamc@283 661
adamc@726 662 val error : t ::: Type -> xbody -> t
adamc@720 663
adamc@729 664 (* Client-side-only handlers: *)
adamc@726 665 val onError : (xbody -> transaction unit) -> transaction unit
adamc@728 666 val onFail : (string -> transaction unit) -> transaction unit
adamc@729 667 val onConnectFail : transaction unit -> transaction unit
adamc@729 668 val onDisconnect : transaction unit -> transaction unit
adamc@729 669 val onServerError : (string -> transaction unit) -> transaction unit
adamc@727 670
adamc@727 671 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)