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Made type class system very general; demo compiles
author Adam Chlipala <adamc@hcoop.net>
date Thu, 09 Apr 2009 12:31:56 -0400
parents 0406e9cccb72
children 915ec60592d4
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@436 4 type time
adamc@91 5
adamc@119 6 type unit = {}
adamc@119 7
adamc@186 8 datatype bool = False | True
adamc@186 9
adamc@288 10 datatype option t = None | Some of t
adamc@284 11
adamc@91 12
adamc@256 13 (** Basic type classes *)
adamc@256 14
adamc@256 15 class eq
adamc@256 16 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 17 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 18 val eq_int : eq int
adamc@394 19 val eq_float : eq float
adamc@256 20 val eq_string : eq string
adamc@256 21 val eq_bool : eq bool
adamc@437 22 val eq_time : eq time
adamc@422 23 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 24
adamc@389 25 class num
adamc@417 26 val zero : t ::: Type -> num t -> t
adamc@389 27 val neg : t ::: Type -> num t -> t -> t
adamc@389 28 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 29 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 30 val times : t ::: Type -> num t -> t -> t -> t
adamc@389 31 val div : t ::: Type -> num t -> t -> t -> t
adamc@389 32 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 33 val num_int : num int
adamc@390 34 val num_float : num float
adamc@389 35
adamc@391 36 class ord
adamc@391 37 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 38 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 39 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 40 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 41 val ord_int : ord int
adamc@394 42 val ord_float : ord float
adamc@394 43 val ord_string : ord string
adamc@394 44 val ord_bool : ord bool
adamc@437 45 val ord_time : ord time
adamc@391 46
adamc@256 47
adamc@283 48 (** String operations *)
adamc@283 49
adamc@283 50 val strcat : string -> string -> string
adamc@283 51
adamc@286 52 class show
adamc@286 53 val show : t ::: Type -> show t -> t -> string
adamc@286 54 val show_int : show int
adamc@286 55 val show_float : show float
adamc@286 56 val show_string : show string
adamc@286 57 val show_bool : show bool
adamc@436 58 val show_time : show time
adamc@452 59 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 60
adamc@290 61 class read
adamc@290 62 val read : t ::: Type -> read t -> string -> option t
adamc@292 63 val readError : t ::: Type -> read t -> string -> t
adamc@292 64 (* [readError] calls [error] if the input is malformed. *)
adamc@290 65 val read_int : read int
adamc@290 66 val read_float : read float
adamc@290 67 val read_string : read string
adamc@290 68 val read_bool : read bool
adamc@436 69 val read_time : read time
adamc@288 70
adamc@283 71
adamc@564 72 (** * Monads *)
adamc@564 73
adamc@711 74 class monad :: (Type -> Type) -> Type
adamc@564 75 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 76 -> monad m
adamc@564 77 -> t -> m t
adamc@564 78 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 79 -> monad m
adamc@564 80 -> m t1 -> (t1 -> m t2)
adamc@564 81 -> m t2
adamc@564 82
adamc@456 83 con transaction :: Type -> Type
adamc@564 84 val transaction_monad : monad transaction
adamc@456 85
adamc@565 86 con source :: Type -> Type
adamc@565 87 val source : t ::: Type -> t -> transaction (source t)
adamc@575 88 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 89 val get : t ::: Type -> source t -> transaction t
adamc@565 90
adamc@565 91 con signal :: Type -> Type
adamc@565 92 val signal_monad : monad signal
adamc@565 93 val signal : t ::: Type -> source t -> signal t
adamc@456 94
adamc@456 95
adamc@456 96 (** HTTP operations *)
adamc@456 97
adamc@456 98 val requestHeader : string -> transaction (option string)
adamc@456 99
adamc@459 100 con http_cookie :: Type -> Type
adamc@459 101 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 102 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 103
adamc@456 104
adamc@566 105 (** JavaScript-y gadgets *)
adamc@566 106
adamc@566 107 val alert : string -> transaction unit
adamc@694 108 val spawn : transaction unit -> transaction unit
adamc@695 109 val sleep : int -> transaction unit
adamc@566 110
adamc@566 111
adamc@678 112 (** Channels *)
adamc@678 113
adamc@678 114 con channel :: Type -> Type
adamc@678 115 val channel : t ::: Type -> transaction (channel t)
adamc@678 116 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 117 val recv : t ::: Type -> channel t -> transaction t
adamc@678 118
adamc@682 119 type client
adamc@682 120 val self : transaction client
adamc@682 121
adamc@678 122
adamc@203 123 (** SQL *)
adamc@203 124
adamc@705 125 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@203 126
adamc@704 127 (*** Constraints *)
adamc@704 128
adamc@707 129 (**** Primary keys *)
adamc@707 130
adamc@707 131 class sql_injectable_prim
adamc@707 132 val sql_bool : sql_injectable_prim bool
adamc@707 133 val sql_int : sql_injectable_prim int
adamc@707 134 val sql_float : sql_injectable_prim float
adamc@707 135 val sql_string : sql_injectable_prim string
adamc@707 136 val sql_time : sql_injectable_prim time
adamc@707 137 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@707 138 val sql_client : sql_injectable_prim client
adamc@707 139
adamc@707 140 con primary_key :: {Type} -> {{Unit}} -> Type
adamc@707 141 val no_primary_key : fs ::: {Type} -> primary_key fs []
adamc@707 142 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
adamc@707 143 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
adamc@707 144 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
adamc@707 145 -> primary_key ([key1 = t] ++ keys ++ rest)
adamc@707 146 [Pkey = [key1] ++ map (fn _ => ()) keys]
adamc@707 147
adamc@707 148 (**** Other constraints *)
adamc@707 149
adamc@705 150 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 151 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 152
adamc@705 153 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 154
adamc@705 155 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 156 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 157 -> sql_constraint fs unique
adamc@705 158 -> sql_constraints fs [name = unique]
adamc@705 159 val join_constraints : fs ::: {Type}
adamc@705 160 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 161 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 162 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 163
adamc@709 164
adamc@705 165 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 166 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 167 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 168
adamc@709 169 con matching :: {Type} -> {Type} -> Type
adamc@709 170 val mat_nil : matching [] []
adamc@709 171 val mat_cons : t ::: Type -> rest1 ::: {Type} -> rest2 ::: {Type}
adamc@709 172 -> nm1 :: Name -> nm2 :: Name
adamc@709 173 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
adamc@709 174 => matching rest1 rest2
adamc@709 175 -> matching ([nm1 = t] ++ rest1) ([nm2 = t] ++ rest2)
adamc@709 176
adamc@709 177 con propagation_mode :: {Type} -> Type
adamc@709 178 val restrict : fs ::: {Type} -> propagation_mode fs
adamc@709 179 val cascade : fs ::: {Type} -> propagation_mode fs
adamc@709 180 val no_action : fs ::: {Type} -> propagation_mode fs
adamc@709 181 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
adamc@709 182
adamc@709 183
adamc@709 184 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
adamc@709 185 -> foreign ::: {Type} -> funused ::: {Type}
adamc@709 186 -> nm ::: Name -> uniques ::: {{Unit}}
adamc@709 187 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
adamc@709 188 => [foreign ~ funused] => [[nm] ~ uniques]
adamc@709 189 => matching ([mine1 = t] ++ mine) foreign
adamc@709 190 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
adamc@709 191 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
adamc@709 192 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
adamc@709 193 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
adamc@709 194
adamc@704 195
adamc@204 196 (*** Queries *)
adamc@204 197
adamc@233 198 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 199 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@234 200 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@204 201
adamc@223 202 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 203 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 204 -> sql_subset
adamc@621 205 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 206 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 207 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 208
adamc@705 209 val sql_query1 : tables ::: {({Type} * {{Unit}})}
adamc@354 210 -> grouped ::: {{Type}}
adamc@354 211 -> selectedFields ::: {{Type}}
adamc@354 212 -> selectedExps ::: {Type}
adamc@705 213 -> {From : $(map (fn p :: ({Type} * {{Unit}}) => sql_table p.1 p.2) tables),
adamc@705 214 Where : sql_exp (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [] [] bool,
adamc@705 215 GroupBy : sql_subset (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) grouped,
adamc@705 216 Having : sql_exp grouped (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [] bool,
adamc@354 217 SelectFields : sql_subset grouped selectedFields,
adamc@705 218 SelectExps : $(map (sql_exp grouped (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [])
adamc@705 219 selectedExps) }
adamc@705 220 -> sql_query1 (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) selectedFields selectedExps
adamc@229 221
adamc@229 222 type sql_relop
adamc@229 223 val sql_union : sql_relop
adamc@229 224 val sql_intersect : sql_relop
adamc@229 225 val sql_except : sql_relop
adamc@260 226 val sql_relop : tables1 ::: {{Type}}
adamc@354 227 -> tables2 ::: {{Type}}
adamc@354 228 -> selectedFields ::: {{Type}}
adamc@354 229 -> selectedExps ::: {Type}
adamc@354 230 -> sql_relop
adamc@354 231 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 232 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 233 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 234
adamc@230 235 type sql_direction
adamc@230 236 val sql_asc : sql_direction
adamc@230 237 val sql_desc : sql_direction
adamc@230 238
adamc@234 239 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 240 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 241 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 242 -> sql_exp tables [] exps t -> sql_direction
adamc@354 243 -> sql_order_by tables exps
adamc@354 244 -> sql_order_by tables exps
adamc@230 245
adamc@231 246 type sql_limit
adamc@231 247 val sql_no_limit : sql_limit
adamc@231 248 val sql_limit : int -> sql_limit
adamc@354 249
adamc@232 250 type sql_offset
adamc@232 251 val sql_no_offset : sql_offset
adamc@232 252 val sql_offset : int -> sql_offset
adamc@232 253
adamc@229 254 val sql_query : tables ::: {{Type}}
adamc@354 255 -> selectedFields ::: {{Type}}
adamc@354 256 -> selectedExps ::: {Type}
adamc@354 257 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 258 OrderBy : sql_order_by tables selectedExps,
adamc@354 259 Limit : sql_limit,
adamc@354 260 Offset : sql_offset}
adamc@354 261 -> sql_query selectedFields selectedExps
adamc@204 262
adamc@354 263 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 264 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 265 -> exps ::: {Type}
adamc@354 266 -> tab :: Name -> field :: Name
adamc@354 267 -> sql_exp
adamc@354 268 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 269 agg exps fieldType
adamc@234 270
adamc@354 271 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 272 -> nm :: Name
adamc@354 273 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 274
adamc@221 275 class sql_injectable
adamc@676 276 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 277 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 278
adamc@354 279 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 280 -> t ::: Type
adamc@354 281 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 282
adamc@470 283 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 284 -> t ::: Type
adamc@470 285 -> sql_exp tables agg exps (option t)
adamc@470 286 -> sql_exp tables agg exps bool
adamc@470 287
adamc@559 288 class sql_arith
adamc@559 289 val sql_int_arith : sql_arith int
adamc@559 290 val sql_float_arith : sql_arith float
adamc@559 291
adamc@220 292 con sql_unary :: Type -> Type -> Type
adamc@220 293 val sql_not : sql_unary bool bool
adamc@354 294 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 295 -> arg ::: Type -> res ::: Type
adamc@354 296 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 297 -> sql_exp tables agg exps res
adamc@220 298
adamc@559 299 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 300
adamc@220 301 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 302 val sql_and : sql_binary bool bool bool
adamc@220 303 val sql_or : sql_binary bool bool bool
adamc@234 304 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 305 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 306 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 307 -> sql_exp tables agg exps arg2
adamc@354 308 -> sql_exp tables agg exps res
adamc@220 309
adamc@559 310 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 311 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 312 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 313 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 314 val sql_mod : sql_binary int int int
adamc@559 315
adamc@559 316 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 317 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 318 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 319 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 320 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 321 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 322
adamc@235 323 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 324 -> sql_exp tables agg exps int
adamc@235 325
adamc@236 326 con sql_aggregate :: Type -> Type
adamc@354 327 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 328 -> t ::: Type
adamc@354 329 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 330 -> sql_exp tables agg exps t
adamc@236 331
adamc@236 332 class sql_summable
adamc@236 333 val sql_summable_int : sql_summable int
adamc@236 334 val sql_summable_float : sql_summable float
adamc@236 335 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 336 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 337
adamc@236 338 class sql_maxable
adamc@236 339 val sql_maxable_int : sql_maxable int
adamc@236 340 val sql_maxable_float : sql_maxable float
adamc@236 341 val sql_maxable_string : sql_maxable string
adamc@437 342 val sql_maxable_time : sql_maxable time
adamc@236 343 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 344 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 345
adamc@441 346 con sql_nfunc :: Type -> Type
adamc@441 347 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 348 -> t ::: Type
adamc@441 349 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 350 val sql_current_timestamp : sql_nfunc time
adamc@441 351
adamc@235 352
adamc@243 353 (*** Executing queries *)
adamc@243 354
adamc@354 355 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 356 -> [tables ~ exps] =>
adamc@354 357 state ::: Type
adamc@354 358 -> sql_query tables exps
adamc@621 359 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 360 -> state
adamc@354 361 -> transaction state)
adamc@354 362 -> state
adamc@354 363 -> transaction state
adamc@243 364
adamc@243 365
adamc@299 366 (*** Database mutators *)
adamc@299 367
adamc@299 368 type dml
adamc@299 369 val dml : dml -> transaction unit
adamc@299 370
adamc@705 371 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 372 -> sql_table fields uniques
adamc@621 373 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 374 -> dml
adamc@299 375
adamc@705 376 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 377 [changed ~ unchanged] =>
adamc@621 378 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 379 -> sql_table (changed ++ unchanged) uniques
adamc@354 380 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 381 -> dml
adamc@299 382
adamc@705 383 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 384 -> sql_table fields uniques
adamc@354 385 -> sql_exp [T = fields] [] [] bool
adamc@354 386 -> dml
adamc@299 387
adamc@338 388 (*** Sequences *)
adamc@338 389
adamc@338 390 type sql_sequence
adamc@338 391 val nextval : sql_sequence -> transaction int
adamc@338 392
adamc@299 393
adamc@203 394 (** XML *)
adamc@203 395
adamc@139 396 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 397
adamc@91 398
adamc@139 399 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141 400 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 401 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 402 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 403 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 404 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 405 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 406 [useOuter ~ useInner] =>
adamc@629 407 [bindOuter ~ bindInner] =>
adamc@629 408 $attrsGiven
adamc@629 409 -> tag (attrsGiven ++ attrsAbsent)
adamc@629 410 ctxOuter ctxInner useOuter bindOuter
adamc@629 411 -> xml ctxInner useInner bindInner
adamc@629 412 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 413 val join : ctx ::: {Unit}
adamc@139 414 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@629 415 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@354 416 xml ctx use1 bind1
adamc@354 417 -> xml ctx (use1 ++ bind1) bind2
adamc@354 418 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 419 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@354 420 -> bind ::: {Type}
adamc@629 421 -> [use1 ~ use2] =>
adamc@354 422 xml ctx use1 bind
adamc@354 423 -> xml ctx (use1 ++ use2) bind
adamc@91 424
adamc@110 425 con xhtml = xml [Html]
adamc@139 426 con page = xhtml [] []
adamc@325 427 con xbody = xml [Body] [] []
adamc@326 428 con xtr = xml [Body, Tr] [] []
adamc@361 429 con xform = xml [Body, Form] [] []
adamc@110 430
adamc@204 431 (*** HTML details *)
adamc@204 432
adamc@140 433 con html = [Html]
adamc@140 434 con head = [Head]
adamc@140 435 con body = [Body]
adamc@361 436 con form = [Body, Form]
adamc@332 437 con tabl = [Body, Table]
adamc@332 438 con tr = [Body, Tr]
adamc@93 439
adamc@691 440 val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@691 441 -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568 442
adamc@140 443 val head : unit -> tag [] html head [] []
adamc@140 444 val title : unit -> tag [] head [] [] []
adamc@110 445
adamc@668 446 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 447 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 448 ctx ::: {Unit} ->
adamc@629 449 [[Body] ~ ctx] =>
adamc@354 450 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 451 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 452 ctx ::: {Unit}
adamc@629 453 -> [[Body] ~ ctx] =>
adamc@354 454 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 455
adamc@141 456 val br : bodyTagStandalone []
adamc@119 457
adamc@691 458 val span : bodyTag []
adamc@691 459
adamc@140 460 val p : bodyTag []
adamc@140 461 val b : bodyTag []
adamc@140 462 val i : bodyTag []
adamc@407 463 val tt : bodyTag []
adamc@140 464 val font : bodyTag [Size = int, Face = string]
adamc@140 465
adamc@140 466 val h1 : bodyTag []
adamc@443 467 val h2 : bodyTag []
adamc@443 468 val h3 : bodyTag []
adamc@443 469 val h4 : bodyTag []
adamc@469 470
adamc@140 471 val li : bodyTag []
adamc@469 472 val ol : bodyTag []
adamc@469 473 val ul : bodyTag []
adamc@140 474
adamc@410 475 val hr : bodyTag []
adamc@410 476
adamc@566 477 val a : bodyTag [Link = transaction page, Onclick = transaction unit]
adamc@140 478
adamc@361 479 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@629 480 -> [[Body] ~ ctx] =>
adamc@354 481 xml form [] bind
adamc@354 482 -> xml ([Body] ++ ctx) [] []
adamc@361 483 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 484 ctx ::: {Unit}
adamc@629 485 -> [[Form] ~ ctx] =>
adamc@354 486 nm :: Name -> unit
adamc@361 487 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@598 488 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 489 val password : formTag string [] [Value = string, Size = int]
adamc@444 490 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 491
adamc@361 492 val checkbox : formTag bool [] [Checked = bool]
adamc@190 493
adamc@153 494 con radio = [Body, Radio]
adamc@361 495 val radio : formTag string radio []
adamc@153 496 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 497
adamc@154 498 con select = [Select]
adamc@361 499 val select : formTag string select []
adamc@422 500 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 501
adamc@568 502 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 503 -> [[Form] ~ ctx] =>
adamc@354 504 unit
adamc@406 505 -> tag [Value = string, Action = $use -> transaction page]
adamc@361 506 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 507
adamc@601 508 (*** AJAX-oriented widgets *)
adamc@601 509
adamc@601 510 con cformTag = fn (attrs :: {Type}) =>
adamc@601 511 ctx ::: {Unit}
adamc@629 512 -> [[Body] ~ ctx] =>
adamc@601 513 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601 514
adamc@601 515 val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601 516 val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601 517
adamc@325 518 (*** Tables *)
adamc@325 519
adamc@629 520 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@406 521 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@629 522 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@406 523 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@629 524 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 525 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@629 526 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 527 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@325 528
adamc@283 529
adamc@283 530 (** Aborting *)
adamc@283 531
adamc@283 532 val error : t ::: Type -> xml [Body] [] [] -> t
adamc@668 533
adamc@668 534