adamc@56: type int adamc@56: type float adamc@56: type string adamc@821: type char adamc@436: type time adamc@737: type blob adamc@91: adamc@119: type unit = {} adamc@119: adamc@186: datatype bool = False | True adamc@186: adamc@288: datatype option t = None | Some of t adamc@284: adamc@757: datatype list t = Nil | Cons of t * list t adamc@757: adamc@91: adamc@256: (** Basic type classes *) adamc@256: adamc@256: class eq adamc@256: val eq : t ::: Type -> eq t -> t -> t -> bool adamc@257: val ne : t ::: Type -> eq t -> t -> t -> bool adamc@256: val eq_int : eq int adamc@394: val eq_float : eq float adamc@256: val eq_string : eq string adamc@821: val eq_char : eq char adamc@256: val eq_bool : eq bool adamc@437: val eq_time : eq time adamc@422: val mkEq : t ::: Type -> (t -> t -> bool) -> eq t adamc@256: adamc@389: class num adamc@417: val zero : t ::: Type -> num t -> t adamc@389: val neg : t ::: Type -> num t -> t -> t adamc@389: val plus : t ::: Type -> num t -> t -> t -> t adamc@389: val minus : t ::: Type -> num t -> t -> t -> t adamc@389: val times : t ::: Type -> num t -> t -> t -> t adamc@775: val divide : t ::: Type -> num t -> t -> t -> t adamc@389: val mod : t ::: Type -> num t -> t -> t -> t adamc@389: val num_int : num int adamc@390: val num_float : num float adamc@389: adamc@391: class ord adamc@391: val lt : t ::: Type -> ord t -> t -> t -> bool adamc@391: val le : t ::: Type -> ord t -> t -> t -> bool adamc@391: val gt : t ::: Type -> ord t -> t -> t -> bool adamc@391: val ge : t ::: Type -> ord t -> t -> t -> bool adamc@391: val ord_int : ord int adamc@394: val ord_float : ord float adamc@394: val ord_string : ord string adamc@821: val ord_char : ord char adamc@394: val ord_bool : ord bool adamc@437: val ord_time : ord time adamc@961: val mkOrd : t ::: Type -> {Lt : t -> t -> bool, Le : t -> t -> bool} -> ord t adamc@391: adamc@256: adamc@1061: (** Character operations *) adamc@1061: adamc@1061: val isalnum : char -> bool adamc@1061: val isalpha : char -> bool adamc@1061: val isblank : char -> bool adamc@1061: val iscntrl : char -> bool adamc@1061: val isdigit : char -> bool adamc@1061: val isgraph : char -> bool adamc@1061: val islower : char -> bool adamc@1061: val isprint : char -> bool adamc@1061: val ispunct : char -> bool adamc@1061: val isspace : char -> bool adamc@1061: val isupper : char -> bool adamc@1061: val isxdigit : char -> bool adamc@1061: val tolower : char -> char adamc@1061: val toupper : char -> char adamc@1128: val ord : char -> int adamc@1128: val chr : int -> char adamc@1061: adamc@283: (** String operations *) adamc@283: adamc@828: val strlen : string -> int adamc@283: val strcat : string -> string -> string adamc@821: val strsub : string -> int -> char adamc@821: val strsuffix : string -> int -> string adamc@829: val strchr : string -> char -> option string adamc@829: val strindex : string -> char -> option int adamc@1272: val strcspn : string -> string -> int adamc@829: val substring : string -> int -> int -> string adamc@1023: val str1 : char -> string adamc@283: adamc@286: class show adamc@286: val show : t ::: Type -> show t -> t -> string adamc@286: val show_int : show int adamc@286: val show_float : show float adamc@286: val show_string : show string adamc@821: val show_char : show char adamc@286: val show_bool : show bool adamc@436: val show_time : show time adamc@452: val mkShow : t ::: Type -> (t -> string) -> show t adamc@286: adamc@290: class read adamc@290: val read : t ::: Type -> read t -> string -> option t adamc@292: val readError : t ::: Type -> read t -> string -> t adamc@292: (* [readError] calls [error] if the input is malformed. *) adamc@290: val read_int : read int adamc@290: val read_float : read float adamc@290: val read_string : read string adamc@821: val read_char : read char adamc@290: val read_bool : read bool adamc@436: val read_time : read time adamc@777: val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t adamc@288: adamc@283: adamc@564: (** * Monads *) adamc@564: adamc@711: class monad :: (Type -> Type) -> Type adamc@564: val return : m ::: (Type -> Type) -> t ::: Type adamc@564: -> monad m adamc@564: -> t -> m t adamc@564: val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type adamc@564: -> monad m adamc@564: -> m t1 -> (t1 -> m t2) adamc@564: -> m t2 adamc@564: adamc@456: con transaction :: Type -> Type adamc@564: val transaction_monad : monad transaction adamc@456: adamc@565: con source :: Type -> Type adamc@565: val source : t ::: Type -> t -> transaction (source t) adamc@575: val set : t ::: Type -> source t -> t -> transaction unit adamc@601: val get : t ::: Type -> source t -> transaction t adamc@565: adamc@565: con signal :: Type -> Type adamc@565: val signal_monad : monad signal adamc@565: val signal : t ::: Type -> source t -> signal t adamc@841: val current : t ::: Type -> signal t -> transaction t adamc@456: adamc@456: adamc@1006: (** * Time *) adamc@1006: adamc@1006: val now : transaction time adamc@1050: val minTime : time adamc@1138: val minusSeconds : time -> int -> time adamc@1006: adamc@1006: adamc@456: (** HTTP operations *) adamc@456: adamc@459: con http_cookie :: Type -> Type adamc@459: val getCookie : t ::: Type -> http_cookie t -> transaction (option t) adamc@1050: val setCookie : t ::: Type -> http_cookie t -> {Value : t, adamc@1050: Expires : option time, adamc@1050: Secure : bool} -> transaction unit adamc@1050: val clearCookie : t ::: Type -> http_cookie t -> transaction unit adamc@459: adamc@456: adamc@566: (** JavaScript-y gadgets *) adamc@566: adamc@566: val alert : string -> transaction unit adamc@694: val spawn : transaction unit -> transaction unit adamc@695: val sleep : int -> transaction unit adamc@566: adamc@908: val rpc : t ::: Type -> transaction t -> transaction t adamc@908: adamc@566: adamc@678: (** Channels *) adamc@678: adamc@678: con channel :: Type -> Type adamc@678: val channel : t ::: Type -> transaction (channel t) adamc@678: val send : t ::: Type -> channel t -> t -> transaction unit adamc@678: val recv : t ::: Type -> channel t -> transaction t adamc@678: adamc@682: type client adamc@682: val self : transaction client adamc@682: adamc@678: adamc@203: (** SQL *) adamc@203: adamc@705: con sql_table :: {Type} -> {{Unit}} -> Type adamc@753: con sql_view :: {Type} -> Type adamc@753: adamc@753: class fieldsOf :: Type -> {Type} -> Type adamc@753: val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}} adamc@753: -> fieldsOf (sql_table fs keys) fs adamc@753: val fieldsOf_view : fs ::: {Type} adamc@753: -> fieldsOf (sql_view fs) fs adamc@203: adamc@704: (*** Constraints *) adamc@704: adamc@707: (**** Primary keys *) adamc@707: adamc@707: class sql_injectable_prim adamc@707: val sql_bool : sql_injectable_prim bool adamc@707: val sql_int : sql_injectable_prim int adamc@707: val sql_float : sql_injectable_prim float adamc@707: val sql_string : sql_injectable_prim string adamc@1011: val sql_char : sql_injectable_prim char adamc@707: val sql_time : sql_injectable_prim time adamc@737: val sql_blob : sql_injectable_prim blob adamc@707: val sql_channel : t ::: Type -> sql_injectable_prim (channel t) adamc@707: val sql_client : sql_injectable_prim client adamc@707: adamc@1104: con serialized :: Type -> Type adamc@1104: val serialize : t ::: Type -> t -> serialized t adamc@1104: val deserialize : t ::: Type -> serialized t -> t adamc@1104: val sql_serialized : t ::: Type -> sql_injectable_prim (serialized t) adamc@1104: adamc@707: con primary_key :: {Type} -> {{Unit}} -> Type adamc@707: val no_primary_key : fs ::: {Type} -> primary_key fs [] adamc@707: val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type} adamc@707: -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest] adamc@707: => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys) adamc@707: -> primary_key ([key1 = t] ++ keys ++ rest) adamc@707: [Pkey = [key1] ++ map (fn _ => ()) keys] adamc@707: adamc@707: (**** Other constraints *) adamc@707: adamc@705: con sql_constraints :: {Type} -> {{Unit}} -> Type adamc@705: (* Arguments: column types, uniqueness implications of constraints *) adamc@704: adamc@705: con sql_constraint :: {Type} -> {Unit} -> Type adamc@704: adamc@705: val no_constraint : fs ::: {Type} -> sql_constraints fs [] adamc@705: val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name adamc@705: -> sql_constraint fs unique adamc@705: -> sql_constraints fs [name = unique] adamc@705: val join_constraints : fs ::: {Type} adamc@705: -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2] adamc@705: => sql_constraints fs uniques1 -> sql_constraints fs uniques2 adamc@705: -> sql_constraints fs (uniques1 ++ uniques2) adamc@705: adamc@709: adamc@705: val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type} adamc@705: -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest] adamc@705: => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique) adamc@704: adamc@712: class linkable :: Type -> Type -> Type adamc@712: val linkable_same : t ::: Type -> linkable t t adamc@712: val linkable_from_nullable : t ::: Type -> linkable (option t) t adamc@712: val linkable_to_nullable : t ::: Type -> linkable t (option t) adamc@712: adamc@709: con matching :: {Type} -> {Type} -> Type adamc@709: val mat_nil : matching [] [] adamc@712: val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type} adamc@709: -> nm1 :: Name -> nm2 :: Name adamc@709: -> [[nm1] ~ rest1] => [[nm2] ~ rest2] adamc@712: => linkable t1 t2 adamc@712: -> matching rest1 rest2 adamc@712: -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2) adamc@709: adamc@709: con propagation_mode :: {Type} -> Type adamc@709: val restrict : fs ::: {Type} -> propagation_mode fs adamc@709: val cascade : fs ::: {Type} -> propagation_mode fs adamc@709: val no_action : fs ::: {Type} -> propagation_mode fs adamc@709: val set_null : fs ::: {Type} -> propagation_mode (map option fs) adamc@709: adamc@709: adamc@709: val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type} adamc@709: -> foreign ::: {Type} -> funused ::: {Type} adamc@709: -> nm ::: Name -> uniques ::: {{Unit}} adamc@709: -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused] adamc@709: => [foreign ~ funused] => [[nm] ~ uniques] adamc@709: => matching ([mine1 = t] ++ mine) foreign adamc@709: -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques) adamc@709: -> {OnDelete : propagation_mode ([mine1 = t] ++ mine), adamc@709: OnUpdate : propagation_mode ([mine1 = t] ++ mine)} adamc@709: -> sql_constraint ([mine1 = t] ++ mine ++ munused) [] adamc@709: adamc@714: con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type adamc@1072: val sql_exp_weaken : fs ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type adamc@1072: -> fs' ::: {{Type}} -> agg' ::: {{Type}} -> exps' ::: {Type} adamc@1072: -> [fs ~ fs'] => [agg ~ agg'] => [exps ~ exps'] => adamc@1072: sql_exp fs agg exps t adamc@1072: -> sql_exp (fs ++ fs') (agg ++ agg') (exps ++ exps') t adamc@714: adamc@714: val check : fs ::: {Type} adamc@714: -> sql_exp [] [] fs bool adamc@714: -> sql_constraint fs [] adamc@714: adamc@714: adamc@204: (*** Queries *) adamc@204: adamc@1191: con sql_query :: {{Type}} -> {{Type}} -> {Type} -> Type adamc@1191: con sql_query1 :: {{Type}} -> {{Type}} -> {{Type}} -> {Type} -> Type adamc@204: adamc@223: con sql_subset :: {{Type}} -> {{Type}} -> Type adamc@223: val sql_subset : keep_drop :: {({Type} * {Type})} adamc@354: -> sql_subset adamc@621: (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop) adamc@621: (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop) adamc@354: val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables adamc@1072: val sql_subset_concat : big1 ::: {{Type}} -> little1 ::: {{Type}} adamc@1072: -> big2 ::: {{Type}} -> little2 ::: {{Type}} adamc@1072: -> [big1 ~ big2] => [little1 ~ little2] => adamc@1072: sql_subset big1 little1 adamc@1072: -> sql_subset big2 little2 adamc@1072: -> sql_subset (big1 ++ big2) (little1 ++ little2) adamc@223: adamc@1191: con sql_from_items :: {{Type}} -> {{Type}} -> Type adamc@748: adamc@1195: val sql_from_nil : free ::: {{Type}} -> sql_from_items free [] adamc@1191: val sql_from_table : free ::: {{Type}} -> t ::: Type -> fs ::: {Type} adamc@753: -> fieldsOf t fs -> name :: Name adamc@1191: -> t -> sql_from_items free [name = fs] adamc@1192: val sql_from_query : free ::: {{Type}} -> fs ::: {Type} -> name :: Name adamc@1192: -> sql_query free [] fs adamc@1192: -> sql_from_items free [name = fs] adamc@1191: val sql_from_comma : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}} adamc@748: -> [tabs1 ~ tabs2] adamc@1191: => sql_from_items free tabs1 -> sql_from_items free tabs2 adamc@1191: -> sql_from_items free (tabs1 ++ tabs2) adamc@1191: val sql_inner_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{Type}} adamc@1191: -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2] adamc@1191: => sql_from_items free tabs1 -> sql_from_items free tabs2 adamc@1191: -> sql_exp (free ++ tabs1 ++ tabs2) [] [] bool adamc@1191: -> sql_from_items free (tabs1 ++ tabs2) adamc@748: adamc@750: class nullify :: Type -> Type -> Type adamc@750: val nullify_option : t ::: Type -> nullify (option t) (option t) adamc@750: val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t) adamc@750: adamc@1191: val sql_left_join : free ::: {{Type}} -> tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}} adamc@1191: -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2] adamc@750: => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2) adamc@1191: -> sql_from_items free tabs1 -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2) adamc@1191: -> sql_exp (free ++ tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool adamc@1191: -> sql_from_items free (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2) adamc@750: adamc@1191: val sql_right_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}} adamc@1191: -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2] adamc@751: => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1) adamc@1191: -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items free tabs2 adamc@1191: -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool adamc@1191: -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2) adamc@751: adamc@1191: val sql_full_join : free ::: {{Type}} -> tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}} adamc@1191: -> [free ~ tabs1] => [free ~ tabs2] => [tabs1 ~ tabs2] adamc@751: => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2)) adamc@1191: -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs1) adamc@1191: -> sql_from_items free (map (map (fn p :: (Type * Type) => p.1)) tabs2) adamc@1191: -> sql_exp (free ++ map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool adamc@1191: -> sql_from_items free (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2)) adamc@751: adamc@1191: val sql_query1 : free ::: {{Type}} adamc@1191: -> tables ::: {{Type}} adamc@354: -> grouped ::: {{Type}} adamc@354: -> selectedFields ::: {{Type}} adamc@354: -> selectedExps ::: {Type} adamc@1070: -> empties :: {Unit} adamc@1191: -> [free ~ tables] adamc@1191: => [free ~ grouped] adamc@1191: => [empties ~ selectedFields] adamc@1070: => {Distinct : bool, adamc@1191: From : sql_from_items free tables, adamc@1191: Where : sql_exp (free ++ tables) [] [] bool, adamc@748: GroupBy : sql_subset tables grouped, adamc@1191: Having : sql_exp (free ++ grouped) tables [] bool, adamc@1070: SelectFields : sql_subset grouped (map (fn _ => []) empties ++ selectedFields), adamc@1191: SelectExps : $(map (sql_exp (free ++ grouped) tables []) adamc@705: selectedExps) } adamc@1191: -> sql_query1 free tables selectedFields selectedExps adamc@229: adamc@229: type sql_relop adamc@229: val sql_union : sql_relop adamc@229: val sql_intersect : sql_relop adamc@229: val sql_except : sql_relop adamc@1191: val sql_relop : free ::: {{Type}} adamc@1191: -> tables1 ::: {{Type}} adamc@354: -> tables2 ::: {{Type}} adamc@354: -> selectedFields ::: {{Type}} adamc@354: -> selectedExps ::: {Type} adamc@354: -> sql_relop adamc@1191: -> sql_query1 free tables1 selectedFields selectedExps adamc@1191: -> sql_query1 free tables2 selectedFields selectedExps adamc@1191: -> sql_query1 free [] selectedFields selectedExps adamc@1191: val sql_forget_tables : free ::: {{Type}} -> tables ::: {{Type}} -> selectedFields ::: {{Type}} -> selectedExps ::: {Type} adamc@1191: -> sql_query1 free tables selectedFields selectedExps adamc@1191: -> sql_query1 free [] selectedFields selectedExps adamc@229: adamc@230: type sql_direction adamc@230: val sql_asc : sql_direction adamc@230: val sql_desc : sql_direction adamc@230: adamc@234: con sql_order_by :: {{Type}} -> {Type} -> Type adamc@234: val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps adamc@234: val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type adamc@354: -> sql_exp tables [] exps t -> sql_direction adamc@354: -> sql_order_by tables exps adamc@354: -> sql_order_by tables exps adamc@230: adamc@231: type sql_limit adamc@231: val sql_no_limit : sql_limit adamc@231: val sql_limit : int -> sql_limit adamc@354: adamc@232: type sql_offset adamc@232: val sql_no_offset : sql_offset adamc@232: val sql_offset : int -> sql_offset adamc@232: adamc@1191: val sql_query : free ::: {{Type}} adamc@1191: -> tables ::: {{Type}} adamc@354: -> selectedFields ::: {{Type}} adamc@354: -> selectedExps ::: {Type} adamc@1191: -> [free ~ tables] adamc@1191: => {Rows : sql_query1 free tables selectedFields selectedExps, adamc@1191: OrderBy : sql_order_by (free ++ tables) selectedExps, adamc@354: Limit : sql_limit, adamc@354: Offset : sql_offset} adamc@1191: -> sql_query free selectedFields selectedExps adamc@204: adamc@354: val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type} adamc@354: -> fieldType ::: Type -> agg ::: {{Type}} adamc@354: -> exps ::: {Type} adamc@354: -> tab :: Name -> field :: Name adamc@354: -> sql_exp adamc@354: ([tab = [field = fieldType] ++ otherFields] ++ otherTabs) adamc@354: agg exps fieldType adamc@234: adamc@354: val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type} adamc@354: -> nm :: Name adamc@354: -> sql_exp tabs agg ([nm = t] ++ rest) t adamc@209: adamc@221: class sql_injectable adamc@676: val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t adamc@676: val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t) adamc@676: adamc@354: val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@354: -> t ::: Type adamc@354: -> sql_injectable t -> t -> sql_exp tables agg exps t adamc@209: adamc@470: val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@470: -> t ::: Type adamc@470: -> sql_exp tables agg exps (option t) adamc@470: -> sql_exp tables agg exps bool adamc@470: adamc@559: class sql_arith adamc@559: val sql_int_arith : sql_arith int adamc@559: val sql_float_arith : sql_arith float adamc@559: adamc@220: con sql_unary :: Type -> Type -> Type adamc@220: val sql_not : sql_unary bool bool adamc@354: val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@354: -> arg ::: Type -> res ::: Type adamc@354: -> sql_unary arg res -> sql_exp tables agg exps arg adamc@354: -> sql_exp tables agg exps res adamc@220: adamc@559: val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t adamc@559: adamc@220: con sql_binary :: Type -> Type -> Type -> Type adamc@220: val sql_and : sql_binary bool bool bool adamc@220: val sql_or : sql_binary bool bool bool adamc@234: val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@354: -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type adamc@354: -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1 adamc@354: -> sql_exp tables agg exps arg2 adamc@354: -> sql_exp tables agg exps res adamc@220: adamc@559: val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t adamc@559: val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t adamc@559: val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t adamc@559: val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t adamc@559: val sql_mod : sql_binary int int int adamc@559: adamc@559: val sql_eq : t ::: Type -> sql_binary t t bool adamc@559: val sql_ne : t ::: Type -> sql_binary t t bool adamc@559: val sql_lt : t ::: Type -> sql_binary t t bool adamc@559: val sql_le : t ::: Type -> sql_binary t t bool adamc@559: val sql_gt : t ::: Type -> sql_binary t t bool adamc@559: val sql_ge : t ::: Type -> sql_binary t t bool adamc@203: adamc@235: val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@544: -> sql_exp tables agg exps int adamc@235: adamc@1187: con sql_aggregate :: Type -> Type -> Type adamc@354: val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@1187: -> dom ::: Type -> ran ::: Type adamc@1187: -> sql_aggregate dom ran -> sql_exp agg agg exps dom adamc@1187: -> sql_exp tables agg exps ran adamc@1187: adamc@1187: val sql_count_col : t ::: Type -> sql_aggregate (option t) int adamc@236: adamc@236: class sql_summable adamc@236: val sql_summable_int : sql_summable int adamc@236: val sql_summable_float : sql_summable float adamc@1187: val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t t adamc@1187: val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t t adamc@236: adamc@236: class sql_maxable adamc@236: val sql_maxable_int : sql_maxable int adamc@236: val sql_maxable_float : sql_maxable float adamc@236: val sql_maxable_string : sql_maxable string adamc@437: val sql_maxable_time : sql_maxable time adamc@1187: val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t t adamc@1187: val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t t adamc@236: adamc@441: con sql_nfunc :: Type -> Type adamc@441: val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@441: -> t ::: Type adamc@441: -> sql_nfunc t -> sql_exp tables agg exps t adamc@441: val sql_current_timestamp : sql_nfunc time adamc@441: adamc@746: con sql_ufunc :: Type -> Type -> Type adamc@746: val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} adamc@746: -> dom ::: Type -> ran ::: Type adamc@746: -> sql_ufunc dom ran -> sql_exp tables agg exps dom adamc@746: -> sql_exp tables agg exps ran adamc@746: val sql_octet_length : sql_ufunc blob int adamc@1207: val sql_known : t ::: Type -> sql_ufunc t bool adamc@746: adamc@235: adamc@1081: val sql_nullable : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type adamc@1081: -> sql_injectable_prim t adamc@1081: -> sql_exp tables agg exps t adamc@1081: -> sql_exp tables agg exps (option t) adamc@1081: adamc@1191: val sql_subquery : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> nm ::: Name -> t ::: Type adamc@1191: -> sql_query tables [] [nm = t] adamc@1191: -> sql_exp tables agg exps t adamc@1191: adamc@243: (*** Executing queries *) adamc@243: adamc@354: val query : tables ::: {{Type}} -> exps ::: {Type} adamc@629: -> [tables ~ exps] => adamc@354: state ::: Type adamc@1191: -> sql_query [] tables exps adamc@621: -> ($(exps ++ map (fn fields :: {Type} => $fields) tables) adamc@354: -> state adamc@354: -> transaction state) adamc@354: -> state adamc@354: -> transaction state adamc@243: adamc@243: adamc@299: (*** Database mutators *) adamc@299: adamc@299: type dml adamc@299: val dml : dml -> transaction unit adamc@299: adamc@705: val insert : fields ::: {Type} -> uniques ::: {{Unit}} adamc@705: -> sql_table fields uniques adamc@621: -> $(map (fn t :: Type => sql_exp [] [] [] t) fields) adamc@354: -> dml adamc@299: adamc@705: val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} -> adamc@629: [changed ~ unchanged] => adamc@621: $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed) adamc@705: -> sql_table (changed ++ unchanged) uniques adamc@354: -> sql_exp [T = changed ++ unchanged] [] [] bool adamc@354: -> dml adamc@299: adamc@705: val delete : fields ::: {Type} -> uniques ::: {{Unit}} adamc@705: -> sql_table fields uniques adamc@354: -> sql_exp [T = fields] [] [] bool adamc@354: -> dml adamc@299: adamc@338: (*** Sequences *) adamc@338: adamc@338: type sql_sequence adamc@338: val nextval : sql_sequence -> transaction int adamc@1073: val setval : sql_sequence -> int -> transaction unit adamc@338: adamc@299: adamc@203: (** XML *) adamc@203: adamc@721: type css_class adamc@718: adamc@720: con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type adamc@91: adamc@720: con xml :: {Unit} -> {Type} -> {Type} -> Type adamc@720: val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use [] adamc@354: val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type} adamc@354: -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit} adamc@354: -> useOuter ::: {Type} -> useInner ::: {Type} adamc@354: -> bindOuter ::: {Type} -> bindInner ::: {Type} adamc@629: -> [attrsGiven ~ attrsAbsent] => adamc@629: [useOuter ~ useInner] => adamc@629: [bindOuter ~ bindInner] => adamc@721: option css_class adamc@721: -> $attrsGiven adamc@629: -> tag (attrsGiven ++ attrsAbsent) adamc@720: ctxOuter ctxInner useOuter bindOuter adamc@720: -> xml ctxInner useInner bindInner adamc@720: -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner) adamc@140: val join : ctx ::: {Unit} adamc@720: -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type} adamc@720: -> [use1 ~ bind1] => [bind1 ~ bind2] => adamc@720: xml ctx use1 bind1 adamc@720: -> xml ctx (use1 ++ bind1) bind2 adamc@720: -> xml ctx use1 (bind1 ++ bind2) adamc@354: val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type} adamc@720: -> bind ::: {Type} adamc@629: -> [use1 ~ use2] => adamc@720: xml ctx use1 bind adamc@720: -> xml ctx (use1 ++ use2) bind adamc@91: adamc@110: con xhtml = xml [Html] adamc@139: con page = xhtml [] [] adamc@720: con xbody = xml [Body] [] [] adamc@720: con xtr = xml [Body, Tr] [] [] adamc@720: con xform = xml [Body, Form] [] [] adamc@110: adamc@718: adamc@204: (*** HTML details *) adamc@204: adamc@140: con html = [Html] adamc@140: con head = [Head] adamc@140: con body = [Body] adamc@361: con form = [Body, Form] adamc@760: con subform = [Body, Subform] adamc@332: con tabl = [Body, Table] adamc@332: con tr = [Body, Tr] adamc@93: adamc@724: type url adamc@1065: val show_url : show url adamc@724: val bless : string -> url adamc@770: val checkUrl : string -> option url adamc@1085: val currentUrl : transaction url adamc@1065: val url : transaction page -> url adamc@1065: val redirect : t ::: Type -> url -> transaction t adamc@724: adamc@847: val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit adamc@847: -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind adamc@568: adamc@720: val head : unit -> tag [] html head [] [] adamc@720: val title : unit -> tag [] head [] [] [] adamc@1047: val link : unit -> tag [Id = string, Rel = string, Typ = string, Href = url, Media = string] head [] [] [] adamc@110: adamc@892: val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit] adamc@892: html body [] [] adamc@354: con bodyTag = fn (attrs :: {Type}) => adamc@354: ctx ::: {Unit} -> adamc@629: [[Body] ~ ctx] => adamc@720: unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] [] adamc@354: con bodyTagStandalone = fn (attrs :: {Type}) => adamc@354: ctx ::: {Unit} adamc@629: -> [[Body] ~ ctx] => adamc@720: unit -> tag attrs ([Body] ++ ctx) [] [] [] adamc@141: adamc@1047: val br : bodyTagStandalone [Id = int] adamc@119: adamc@892: con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit] adamc@892: con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit, adamc@892: Onmousedown = transaction unit, Onmousemove = transaction unit, adamc@892: Onmouseout = transaction unit, Onmouseover = transaction unit, adamc@894: Onmouseup = transaction unit] adamc@895: con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit, adamc@895: Onkeyup = int -> transaction unit] adamc@895: (* Key arguments are character codes. *) adamc@892: con resizeEvents = [Onresize = transaction unit] adamc@691: adamc@892: con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents adamc@892: con tableEvents = focusEvents ++ mouseEvents ++ keyEvents adamc@140: adamc@1047: con boxAttrs = [Id = string] ++ boxEvents adamc@1047: con tableAttrs = [Id = string] ++ tableEvents adamc@469: adamc@1047: val span : bodyTag boxAttrs adamc@1047: val div : bodyTag boxAttrs adamc@140: adamc@1047: val p : bodyTag boxAttrs adamc@1047: val b : bodyTag boxAttrs adamc@1047: val i : bodyTag boxAttrs adamc@1047: val tt : bodyTag boxAttrs adamc@410: adamc@1047: val h1 : bodyTag boxAttrs adamc@1047: val h2 : bodyTag boxAttrs adamc@1047: val h3 : bodyTag boxAttrs adamc@1047: val h4 : bodyTag boxAttrs adamc@1047: val h5 : bodyTag boxAttrs adamc@1047: val h6 : bodyTag boxAttrs adamc@717: adamc@1047: val li : bodyTag boxAttrs adamc@1047: val ol : bodyTag boxAttrs adamc@1047: val ul : bodyTag boxAttrs adamc@140: adamc@1047: val hr : bodyTag boxAttrs adamc@1047: adamc@1047: val a : bodyTag ([Link = transaction page, Href = url] ++ boxAttrs) adamc@892: adamc@1129: val img : bodyTag ([Src = url, Width = int, Height = int, adamc@1129: Onabort = transaction unit, Onerror = transaction unit, adamc@1047: Onload = transaction unit] ++ boxAttrs) adamc@892: adamc@720: val form : ctx ::: {Unit} -> bind ::: {Type} adamc@1120: -> [[Body, Form, Table] ~ ctx] => adamc@1004: xml ([Body, Form] ++ ctx) [] bind adamc@756: -> xml ([Body] ++ ctx) [] [] adamc@756: adamc@756: val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} adamc@756: -> [[Form] ~ ctx] => adamc@756: nm :: Name -> [[nm] ~ use] => adamc@1004: xml ([Form] ++ ctx) [] bind adamc@756: -> xml ([Form] ++ ctx) use [nm = $bind] adamc@758: adamc@758: val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} adamc@1004: -> [[Form, Subform] ~ ctx] => adamc@758: nm :: Name -> [[nm] ~ use] => adamc@1004: xml ([Subform] ++ ctx) [Entry = $bind] [] adamc@758: -> xml ([Form] ++ ctx) use [nm = list ($bind)] adamc@758: adamc@758: val entry : ctx ::: {Unit} -> bind ::: {Type} adamc@1004: -> [[Subform, Form] ~ ctx] => adamc@1004: xml ([Form] ++ ctx) [] bind adamc@758: -> xml ([Subform] ++ ctx) [Entry = $bind] [] adamc@758: adamc@361: con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) => adamc@354: ctx ::: {Unit} adamc@629: -> [[Form] ~ ctx] => adamc@354: nm :: Name -> unit adamc@720: -> tag attrs ([Form] ++ ctx) inner [] [nm = ty] adamc@1047: val hidden : formTag string [] [Id = string, Value = string] adamc@892: val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit, adamc@1047: Ontext = transaction unit] ++ boxAttrs) adamc@1047: val password : formTag string [] ([Value = string, Size = int] ++ boxAttrs) adamc@892: val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit, adamc@1047: Ontext = transaction unit] ++ boxAttrs) adamc@153: adamc@1047: val checkbox : formTag bool [] ([Checked = bool] ++ boxAttrs) adamc@190: adamc@737: type file adamc@737: val fileName : file -> option string adamc@740: val fileMimeType : file -> string adamc@737: val fileData : file -> blob adamc@737: adamc@1047: val upload : formTag file [] ([Value = string, Size = int] ++ boxAttrs) adamc@737: adamc@741: type mimeType adamc@741: val blessMime : string -> mimeType adamc@770: val checkMime : string -> option mimeType adamc@741: val returnBlob : t ::: Type -> blob -> mimeType -> transaction t adamc@745: val blobSize : blob -> int adamc@1119: val textBlob : string -> blob adamc@741: adamc@153: con radio = [Body, Radio] adamc@1047: val radio : formTag string radio [Id = string] adamc@1068: val radioOption : unit -> tag ([Value = string, Checked = bool] ++ boxAttrs) radio [] [] [] adamc@142: adamc@154: con select = [Select] adamc@1047: val select : formTag string select ([Onchange = transaction unit] ++ boxAttrs) adamc@720: val option : unit -> tag [Value = string, Selected = bool] select [] [] [] adamc@154: adamc@720: val submit : ctx ::: {Unit} -> use ::: {Type} adamc@629: -> [[Form] ~ ctx] => adamc@354: unit adamc@1047: -> tag ([Value = string, Action = $use -> transaction page] ++ boxAttrs) adamc@720: ([Form] ++ ctx) ([Form] ++ ctx) use [] adamc@283: adamc@1047: val label : bodyTag ([For = string, Accesskey = string] ++ tableAttrs) adamc@1047: adamc@1047: adamc@601: (*** AJAX-oriented widgets *) adamc@601: adamc@797: con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) => adamc@601: ctx ::: {Unit} adamc@629: -> [[Body] ~ ctx] => adamc@797: unit -> tag attrs ([Body] ++ ctx) inner [] [] adamc@601: adamc@892: val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit, adamc@1047: Ontext = transaction unit] ++ boxAttrs) [] adamc@1047: val button : cformTag ([Value = string] ++ boxAttrs) [] adamc@797: adamc@1047: val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxAttrs) [] adamc@817: adamc@797: con cselect = [Cselect] adamc@1047: val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxAttrs) cselect adamc@797: val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] [] adamc@601: adamc@1099: val ctextarea : cformTag ([Value = string, Rows = int, Cols = int, Source = source string, Onchange = transaction unit, adamc@1099: Ontext = transaction unit] ++ boxAttrs) [] adamc@1099: adamc@720: (*** Tables *) adamc@720: adamc@892: val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit adamc@1047: -> tag ([Border = int] ++ boxAttrs) adamc@892: ([Body] ++ other) ([Body, Table] ++ other) [] [] adamc@892: val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit adamc@1047: -> tag tableAttrs adamc@892: ([Body, Table] ++ other) ([Body, Tr] ++ other) [] [] adamc@892: val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit adamc@1047: -> tag ([Colspan = int] ++ tableAttrs) adamc@892: ([Body, Tr] ++ other) ([Body] ++ other) [] [] adamc@892: val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit adamc@1047: -> tag ([Colspan = int] ++ tableAttrs) adamc@892: ([Body, Tr] ++ other) ([Body] ++ other) [] [] adamc@720: adamc@283: adamc@283: (** Aborting *) adamc@283: adamc@726: val error : t ::: Type -> xbody -> t adamc@720: adamc@729: (* Client-side-only handlers: *) adamc@726: val onError : (xbody -> transaction unit) -> transaction unit adamc@728: val onFail : (string -> transaction unit) -> transaction unit adamc@729: val onConnectFail : transaction unit -> transaction unit adamc@729: val onDisconnect : transaction unit -> transaction unit adamc@729: val onServerError : (string -> transaction unit) -> transaction unit adamc@727: adamc@727: val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind) adamc@1075: adamc@1075: adamc@1075: (** Tasks *) adamc@1075: adamc@1075: type task_kind adamc@1075: val initialize : task_kind adamc@1120: adamc@1120: adamc@1199: (** Information flow security *) adamc@1199: adamc@1199: type sql_policy adamc@1199: adamc@1214: val sendClient : tables ::: {{Type}} -> exps ::: {Type} adamc@1214: -> [tables ~ exps] => sql_query [] tables exps adamc@1214: -> sql_policy adamc@1199: adamc@1229: val sendOwnIds : sql_sequence -> sql_policy adamc@1229: adamc@1220: val mayInsert : fs ::: {Type} -> tables ::: {{Type}} -> [[New] ~ tables] adamc@1220: => sql_query [] ([New = fs] ++ tables) [] adamc@1220: -> sql_policy adamc@1220: adamc@1221: val mayDelete : fs ::: {Type} -> tables ::: {{Type}} -> [[Old] ~ tables] adamc@1221: => sql_query [] ([Old = fs] ++ tables) [] adamc@1221: -> sql_policy adamc@1221: adamc@1223: val mayUpdate : fs ::: {Type} -> tables ::: {{Type}} -> [[Old, New] ~ tables] adamc@1223: => sql_query [] ([Old = fs, New = fs] ++ tables) [] adamc@1223: -> sql_policy adamc@1223: adamc@1240: val also : sql_policy -> sql_policy -> sql_policy adamc@1199: adamc@1120: val debug : string -> transaction unit adamc@1250: adamc@1250: val rand : transaction int