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'error' function
author Adam Chlipala <adamc@hcoop.net>
date Sun, 07 Sep 2008 10:02:27 -0400
parents fdd7a698be01
children 77a28e7430bf
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@91 4
adamc@119 5 type unit = {}
adamc@119 6
adamc@186 7 datatype bool = False | True
adamc@186 8
adamc@91 9
adamc@256 10 (** Basic type classes *)
adamc@256 11
adamc@256 12 class eq
adamc@256 13 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 14 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 15 val eq_int : eq int
adamc@256 16 val eq_string : eq string
adamc@256 17 val eq_bool : eq bool
adamc@256 18
adamc@256 19
adamc@283 20 (** String operations *)
adamc@283 21
adamc@283 22 val strcat : string -> string -> string
adamc@283 23
adamc@283 24
adamc@203 25 (** SQL *)
adamc@203 26
adamc@203 27 con sql_table :: {Type} -> Type
adamc@203 28
adamc@204 29 (*** Queries *)
adamc@204 30
adamc@233 31 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 32 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@234 33 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@204 34
adamc@223 35 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 36 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@223 37 -> sql_subset
adamc@223 38 (fold (fn nm => fn fields :: ({Type} * {Type}) => fn acc =>
adamc@223 39 [nm] ~ acc => fields.1 ~ fields.2 =>
adamc@223 40 [nm = fields.1 ++ fields.2] ++ acc) [] keep_drop)
adamc@223 41 (fold (fn nm => fn fields :: ({Type} * {Type}) => fn acc =>
adamc@223 42 [nm] ~ acc =>
adamc@223 43 [nm = fields.1] ++ acc) [] keep_drop)
adamc@223 44 val sql_subset_all : tables :: {{Type}}
adamc@223 45 -> sql_subset tables tables
adamc@223 46
adamc@229 47 val sql_query1 : tables ::: {{Type}}
adamc@224 48 -> grouped ::: {{Type}}
adamc@233 49 -> selectedFields ::: {{Type}}
adamc@233 50 -> selectedExps ::: {Type}
adamc@223 51 -> {From : $(fold (fn nm => fn fields :: {Type} => fn acc =>
adamc@223 52 [nm] ~ acc => [nm = sql_table fields] ++ acc) [] tables),
adamc@234 53 Where : sql_exp tables [] [] bool,
adamc@224 54 GroupBy : sql_subset tables grouped,
adamc@234 55 Having : sql_exp grouped tables [] bool,
adamc@233 56 SelectFields : sql_subset grouped selectedFields,
adamc@233 57 SelectExps : $(fold (fn nm => fn t :: Type => fn acc =>
adamc@234 58 [nm] ~ acc => [nm = sql_exp grouped tables [] t] ++ acc) [] selectedExps) }
adamc@233 59 -> sql_query1 tables selectedFields selectedExps
adamc@229 60
adamc@229 61 type sql_relop
adamc@229 62 val sql_union : sql_relop
adamc@229 63 val sql_intersect : sql_relop
adamc@229 64 val sql_except : sql_relop
adamc@260 65 val sql_relop : tables1 ::: {{Type}}
adamc@229 66 -> tables2 ::: {{Type}}
adamc@233 67 -> selectedFields ::: {{Type}}
adamc@233 68 -> selectedExps ::: {Type}
adamc@260 69 -> sql_relop
adamc@233 70 -> sql_query1 tables1 selectedFields selectedExps
adamc@233 71 -> sql_query1 tables2 selectedFields selectedExps
adamc@233 72 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 73
adamc@230 74 type sql_direction
adamc@230 75 val sql_asc : sql_direction
adamc@230 76 val sql_desc : sql_direction
adamc@230 77
adamc@234 78 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 79 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 80 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@268 81 -> sql_exp tables [] exps t -> sql_direction -> sql_order_by tables exps
adamc@234 82 -> sql_order_by tables exps
adamc@230 83
adamc@231 84 type sql_limit
adamc@231 85 val sql_no_limit : sql_limit
adamc@231 86 val sql_limit : int -> sql_limit
adamc@231 87
adamc@232 88 type sql_offset
adamc@232 89 val sql_no_offset : sql_offset
adamc@232 90 val sql_offset : int -> sql_offset
adamc@232 91
adamc@229 92 val sql_query : tables ::: {{Type}}
adamc@233 93 -> selectedFields ::: {{Type}}
adamc@233 94 -> selectedExps ::: {Type}
adamc@233 95 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@234 96 OrderBy : sql_order_by tables selectedExps,
adamc@232 97 Limit : sql_limit,
adamc@232 98 Offset : sql_offset}
adamc@233 99 -> sql_query selectedFields selectedExps
adamc@204 100
adamc@225 101 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type} -> fieldType ::: Type -> agg ::: {{Type}}
adamc@234 102 -> exps ::: {Type}
adamc@221 103 -> tab :: Name -> field :: Name
adamc@234 104 -> sql_exp ([tab = [field = fieldType] ++ otherFields] ++ otherTabs) agg exps fieldType
adamc@234 105
adamc@234 106 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type} -> nm :: Name
adamc@234 107 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 108
adamc@221 109 class sql_injectable
adamc@221 110 val sql_bool : sql_injectable bool
adamc@221 111 val sql_int : sql_injectable int
adamc@221 112 val sql_float : sql_injectable float
adamc@221 113 val sql_string : sql_injectable string
adamc@234 114 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@234 115 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 116
adamc@220 117 con sql_unary :: Type -> Type -> Type
adamc@220 118 val sql_not : sql_unary bool bool
adamc@234 119 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> arg ::: Type -> res ::: Type
adamc@234 120 -> sql_unary arg res -> sql_exp tables agg exps arg -> sql_exp tables agg exps res
adamc@220 121
adamc@220 122 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 123 val sql_and : sql_binary bool bool bool
adamc@220 124 val sql_or : sql_binary bool bool bool
adamc@234 125 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@234 126 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@234 127 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1 -> sql_exp tables agg exps arg2
adamc@234 128 -> sql_exp tables agg exps res
adamc@220 129
adamc@219 130 type sql_comparison
adamc@219 131 val sql_eq : sql_comparison
adamc@219 132 val sql_ne : sql_comparison
adamc@219 133 val sql_lt : sql_comparison
adamc@219 134 val sql_le : sql_comparison
adamc@219 135 val sql_gt : sql_comparison
adamc@219 136 val sql_ge : sql_comparison
adamc@253 137 val sql_comparison : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@236 138 -> t ::: Type
adamc@253 139 -> sql_comparison
adamc@234 140 -> sql_exp tables agg exps t -> sql_exp tables agg exps t
adamc@234 141 -> sql_exp tables agg exps bool
adamc@203 142
adamc@235 143 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@235 144 -> unit -> sql_exp tables agg exps int
adamc@235 145
adamc@236 146 con sql_aggregate :: Type -> Type
adamc@236 147 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@236 148 -> sql_aggregate t -> sql_exp agg agg exps t -> sql_exp tables agg exps t
adamc@236 149
adamc@236 150 class sql_summable
adamc@236 151 val sql_summable_int : sql_summable int
adamc@236 152 val sql_summable_float : sql_summable float
adamc@236 153 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 154 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 155
adamc@236 156 class sql_maxable
adamc@236 157 val sql_maxable_int : sql_maxable int
adamc@236 158 val sql_maxable_float : sql_maxable float
adamc@236 159 val sql_maxable_string : sql_maxable string
adamc@236 160 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 161 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 162
adamc@235 163
adamc@243 164 (*** Executing queries *)
adamc@243 165
adamc@243 166 con transaction :: Type -> Type
adamc@243 167 val return : t ::: Type
adamc@243 168 -> t -> transaction t
adamc@243 169 val bind : t1 ::: Type -> t2 ::: Type
adamc@243 170 -> transaction t1 -> (t1 -> transaction t2)
adamc@243 171 -> transaction t2
adamc@243 172
adamc@251 173 val query : tables ::: {{Type}} -> exps ::: {Type} -> tables ~ exps
adamc@252 174 -> state ::: Type
adamc@243 175 -> sql_query tables exps
adamc@251 176 -> ($(exps ++ fold (fn nm (fields :: {Type}) acc => [nm] ~ acc => [nm = $fields] ++ acc) [] tables)
adamc@243 177 -> state
adamc@243 178 -> transaction state)
adamc@243 179 -> state
adamc@243 180 -> transaction state
adamc@243 181
adamc@243 182
adamc@203 183 (** XML *)
adamc@203 184
adamc@139 185 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 186
adamc@91 187
adamc@139 188 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141 189 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@104 190 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type} -> attrsGiven ~ attrsAbsent
adamc@139 191 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@139 192 -> useOuter ::: {Type} -> useInner ::: {Type} -> useOuter ~ useInner
adamc@139 193 -> bindOuter ::: {Type} -> bindInner ::: {Type} -> bindOuter ~ bindInner
adamc@104 194 -> $attrsGiven
adamc@139 195 -> tag (attrsGiven ++ attrsAbsent) ctxOuter ctxInner useOuter bindOuter
adamc@139 196 -> xml ctxInner useInner bindInner
adamc@139 197 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 198 val join : ctx ::: {Unit}
adamc@139 199 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@139 200 -> use1 ~ bind1 -> bind1 ~ bind2
adamc@140 201 -> xml ctx use1 bind1
adamc@140 202 -> xml ctx (use1 ++ bind1) bind2
adamc@140 203 -> xml ctx use1 (bind1 ++ bind2)
adamc@148 204 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type} -> bind ::: {Type}
adamc@148 205 -> use1 ~ use2
adamc@148 206 -> xml ctx use1 bind
adamc@148 207 -> xml ctx (use1 ++ use2) bind
adamc@91 208
adamc@110 209 con xhtml = xml [Html]
adamc@139 210 con page = xhtml [] []
adamc@110 211
adamc@204 212 (*** HTML details *)
adamc@204 213
adamc@140 214 con html = [Html]
adamc@140 215 con head = [Head]
adamc@140 216 con body = [Body]
adamc@141 217 con lform = [Body, LForm]
adamc@93 218
adamc@140 219 val head : unit -> tag [] html head [] []
adamc@140 220 val title : unit -> tag [] head [] [] []
adamc@110 221
adamc@140 222 val body : unit -> tag [] html body [] []
adamc@140 223 con bodyTag = fn attrs :: {Type} => ctx ::: {Unit} -> [Body] ~ ctx -> unit
adamc@140 224 -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@141 225 con bodyTagStandalone = fn attrs :: {Type} => ctx ::: {Unit} -> [Body] ~ ctx -> unit
adamc@141 226 -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 227
adamc@141 228 val br : bodyTagStandalone []
adamc@119 229
adamc@140 230 val p : bodyTag []
adamc@140 231 val b : bodyTag []
adamc@140 232 val i : bodyTag []
adamc@140 233 val font : bodyTag [Size = int, Face = string]
adamc@140 234
adamc@140 235 val h1 : bodyTag []
adamc@140 236 val li : bodyTag []
adamc@140 237
adamc@280 238 val a : bodyTag [Link = transaction page]
adamc@140 239
adamc@141 240 val lform : ctx ::: {Unit} -> [Body] ~ ctx -> bind ::: {Type}
adamc@141 241 -> xml lform [] bind
adamc@141 242 -> xml ([Body] ++ ctx) [] []
adamc@153 243 con lformTag = fn ty :: Type => fn inner :: {Unit} => fn attrs :: {Type} =>
adamc@141 244 ctx ::: {Unit} -> [LForm] ~ ctx
adamc@141 245 -> nm :: Name -> unit
adamc@153 246 -> tag attrs ([LForm] ++ ctx) inner [] [nm = ty]
adamc@153 247 val textbox : lformTag string [] []
adamc@155 248 val password : lformTag string [] []
adamc@153 249 val ltextarea : lformTag string [] []
adamc@153 250
adamc@190 251 val checkbox : lformTag bool [] []
adamc@190 252
adamc@153 253 con radio = [Body, Radio]
adamc@153 254 val radio : lformTag string radio []
adamc@153 255 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 256
adamc@154 257 con select = [Select]
adamc@154 258 val lselect : lformTag string select []
adamc@154 259 val loption : unit -> tag [Value = string] select [] [] []
adamc@154 260
adamc@142 261 val submit : ctx ::: {Unit} -> [LForm] ~ ctx
adamc@142 262 -> use ::: {Type} -> unit
adamc@280 263 -> tag [Action = $use -> transaction page] ([LForm] ++ ctx) ([LForm] ++ ctx) use []
adamc@283 264
adamc@283 265
adamc@283 266 (** Aborting *)
adamc@283 267
adamc@283 268 val error : t ::: Type -> xml [Body] [] [] -> t