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elk/elm/src/Types/Hints.hs
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2module Types.Hints (hints) where
4import Control.Monad (liftM,mapM)
5import Control.Arrow (first)
6import Types
7import Types.Substitutions (rescheme)
10-------- Text and Elements --------
12str2elem = hasType (string ==> element) [ "plainText" ]
14textToText = [ "header", "italic", "bold", "underline"
15 , "overline", "strikeThrough", "monospace" ]
17textAttrs = [ "toText" -: string ==> text
18 , "typeface" -: string ==> text ==> text
19 , "link" -:: string ==> a ==> a
20 , numScheme (\t -> t ==> text ==> text) "Text.height"
21 ] ++ hasType (text ==> text) textToText
23elements = let iee = int ==> element ==> element in
24 [ "flow" -: direction ==> listOf element ==> element
25 , "layers" -: listOf element ==> element
26 , "text" -: text ==> element
27 , "image" -: int ==> int ==> string ==> element
28 , "video" -: int ==> int ==> string ==> element
29 , "opacity" -: float ==> element ==> element
30 , "width" -: iee
31 , "height" -: iee
32 , "size" -: int ==> iee
33 , "widthOf" -: element ==> int
34 , "heightOf"-: element ==> int
35 , "sizeOf" -: element ==> pairOf int
36 , "color" -: color ==> element ==> element
37 , "container" -: int ==> int ==> position ==> element ==> element
38 , "spacer" -: int ==> int ==> element
39 , "rightedText" -: text ==> element
40 , "centeredText" -: text ==> element
41 , "justifiedText" -: text ==> element
42 , "asText" -:: a ==> element
43 , "show" -:: a ==> text
44 , "collage" -: int ==> int ==> listOf form ==> element
45 , "fittedImage" -: int ==> int ==> string ==> element
46 ]
48directions = hasType direction ["up","down","left","right","inward","outward"]
49positions =
50 hasType position ["topLeft","midLeft","bottomLeft","midTop","middle"
51 ,"midBottom","topRight","midRight","bottomRight"] ++
52 hasType (location ==> position)
53 ["topLeftAt","bottomLeftAt","middleAt","topRightAt","bottomRightAt"] ++
54 [ "absolute" -: int ==> location, "relative" -: float ==> location ]
55colors = [ numScheme (\n -> n ==> n ==> n ==> color) "rgb"
56 , numScheme (\n -> n ==> n ==> n ==> n ==> color) "rgba"
57 ] ++ hasType color ["red","green","blue","black","white"
58 ,"yellow","cyan","magenta","grey","gray"]
60lineTypes = [ numScheme (\n -> listOf (pairOf n) ==> line) "line"
61 , numScheme (\n -> pairOf n ==> pairOf n ==> line) "segment"
62 , "customLine" -: listOf int ==> color ==> line ==> form
63 ] ++ hasType (color ==> line ==> form) ["solid","dashed","dotted"]
65shapes = [ twoNums (\n m -> listOf (pairOf n) ==> pairOf m ==> shape) "polygon"
66 , "filled" -: color ==> shape ==> form
67 , "outlined" -: color ==> shape ==> form
68 , "textured" -: string ==> shape ==> form
69 , "customOutline" -: listOf int ==> color ==> shape ==> form
70 ] ++ map (twoNums (\n m -> n ==> n ==> pairOf m ==> shape)) [ "ngon"
71 , "rect"
72 , "oval" ]
74collages = [ numScheme (\n -> pairOf n ==> element ==> form) "toForm"
75 , numScheme (\n -> string ==> n ==> n ==> pairOf n ==> form) "sprite"
76 , numScheme (\n -> n ==> n ==> form ==> form) "move"
77 , numScheme (\n -> n ==> form ==> form) "rotate"
78 , numScheme (\n -> n ==> form ==> form) "scale"
79 ]
81-------- Foreign --------
83casts =
84 [ "castJSBoolToBool" -: jsBool ==> bool
85 , "castBoolToJSBool" -: bool ==> jsBool
86 , "castJSNumberToInt" -: jsNumber ==> int
87 , "castIntToJSNumber" -: int ==> jsNumber
88 , "castJSElementToElement" -: int ==> int ==> jsElement ==> element
89 , "castElementToJSElement" -: element ==> jsElement
90 , "castJSStringToString" -: jsString ==> string
91 , "castStringToJSString" -: string ==> jsString
92 , "castJSNumberToFloat" -: jsNumber ==> float
93 , "castFloatToJSNumber" -: float ==> jsNumber
94 ]
96castToTuple n = (,) name $ Forall [1..n] [] (jsTuple vs ==> tupleOf vs)
97 where vs = map VarT [1..n]
98 name = "castJSTupleToTuple" ++ show n
99castToJSTuple n = (,) name $ Forall [1..n] [] (tupleOf vs ==> jsTuple vs)
100 where vs = map VarT [1..n]
101 name = "castTupleToJSTuple" ++ show n
103polyCasts =
104 map castToTuple [2..5] ++ map castToJSTuple [2..5] ++
105 [ "castJSArrayToList" -:: jsArray a ==> listOf a
106 , "castListToJSArray" -:: listOf a ==> jsArray a
107 ]
109json =
110 [ "JsonString" -: string ==> jsonValue
111 , "JsonBool" -: bool ==> jsonValue
112 , "JsonNull" -: jsonValue
113 , "JsonArray" -: listOf jsonValue ==> jsonValue
114 , "JsonObject" -: jsonObject ==> jsonValue
115 , numScheme (\n -> n ==> jsonValue) "JsonNumber"
116 , "toPrettyString" -: string ==> jsonObject ==> string
117 , "toPrettyJSString" -: string ==> jsonObject ==> jsString
118 , "toJSString" -: jsonObject ==> jsString
119 ]
122-------- Signals --------
124sig n name = (,) name $ Forall [1..n] [] (fn ts ==> fn (map signalOf ts))
125 where fn = foldr1 (==>)
126 ts = map VarT [1..n]
128signals =
129 [ sig 1 "constant"
130 , sig 2 "lift"
131 , sig 3 "lift2"
132 , sig 4 "lift3"
133 , sig 5 "lift4"
134 , "foldp" -:: (a ==> b ==> b) ==> b ==> signalOf a ==> signalOf b
135 , "randomize" -:: int ==> int ==> signalOf a ==> signalOf int
136 , "count" -:: signalOf a ==> signalOf int
137 , "keepIf" -:: (a==>bool) ==> a ==> signalOf a ==> signalOf a
138 , "dropIf" -:: (a==>bool) ==> a ==> signalOf a ==> signalOf a
139 , "keepWhen" -:: signalOf bool ==>a==> signalOf a ==> signalOf a
140 , "dropWhen" -:: signalOf bool ==>a==> signalOf a ==> signalOf a
141 , "dropRepeats" -:: signalOf a ==> signalOf a
142 , "sampleOn" -:: signalOf a ==> signalOf b ==> signalOf b
143 ]
145concreteSignals =
146 [ "keysDown" -: signalOf (listOf int)
147 , "charPressed" -: signalOf (maybeOf int)
148 , "inRange" -: int ==> int ==> signalOf int
149 , timeScheme "every" (\t -> t ==> signalOf t)
150 , timeScheme "before" (\t -> t ==> signalOf bool)
151 , timeScheme "after" (\t -> t ==> signalOf bool)
152 , "dimensions" -: signalOf point
153 , "position" -: signalOf point
154 , "x" -: signalOf int
155 , "y" -: signalOf int
156 , "isDown" -: signalOf bool
157 , "isClicked" -: signalOf bool
158 , "textField" -: string ==> tupleOf [element, signalOf string]
159 , "password" -: string ==> tupleOf [element, signalOf string]
160 , "textArea" -: int ==> int ==> tupleOf [element, signalOf string]
161 , "checkBox" -: bool ==> tupleOf [element, signalOf bool]
162 , "button" -: string ==> tupleOf [element, signalOf bool]
163 , "stringDropDown" -: listOf string ==> tupleOf [element, signalOf string]
164 ]
166-------- Math and Binops --------
168binop t = t ==> t ==> t
169scheme1 super t name =
170 (name, Forall [0] [ Context ("`" ++ name ++ "'") $ VarT 0 :<: super
171 ] (t (VarT 0)))
172scheme2 s1 s2 t name =
173 (name, Forall [0,1] [ Context ("`" ++ name ++ "'") $ VarT 0 :<: s1
174 , Context ("`" ++ name ++ "'") $ VarT 1 :<: s2
175 ] (t (VarT 0) (VarT 1)))
176numScheme t name = scheme1 number t name
177timeScheme name t = scheme1 time t name
178twoNums f name = scheme2 number number f name
180math =
181 map (numScheme (\t -> t ==> binop t)) ["clamp"] ++
182 map (numScheme (\t -> binop t)) ["+","-","*","max","min"] ++
183 [ numScheme (\t -> t ==> t) "abs" ] ++
184 hasType (binop float) [ "/", "logBase" ] ++
185 hasType (binop int) ["rem","div","mod"] ++
186 hasType (float ==> float) ["sin","cos","tan","asin","acos","atan","sqrt"] ++
187 hasType float ["pi","e"] ++
188 hasType (int ==> float) ["toFloat","castIntToFloat"] ++
189 hasType (float ==> int) ["round","floor","ceiling","truncate"]
191bools =
192 [ "not" -: bool ==> bool ] ++
193 hasType (binop bool) ["&&","||"] ++
194 map (scheme1 comparable (\t -> t ==> t ==> bool)) ["<",">","<=",">="] ++
195 [ ( "compare"
196 , Forall [0,1] [ Context "`compare'" $ VarT 0 :<: comparable ] (VarT 0 ==> VarT 0 ==> VarT 1) )
197 ]
199-------- Polymorphic Functions --------
201[a,b,c] = map VarT [1,2,3]
203infix 8 -::
204name -:: tipe = (name, Forall [1,2,3] [] tipe)
206funcs =
207 [ "id" -:: a ==> a
208 , "==" -:: a ==> a ==> bool
209 , "/=" -:: a ==> a ==> bool
210 , "flip" -:: (a ==> b ==> c) ==> (b ==> a ==> c)
211 , "." -:: (b ==> c) ==> (a ==> b) ==> (a ==> c)
212 , "$" -:: (a ==> b) ==> a ==> b
213 , ":" -:: a ==> listOf a ==> listOf a
214 , (,) "++" . Forall [0,1] [ Context "`++'" $ VarT 0 :<: appendable (VarT 1) ] $ VarT 0 ==> VarT 0 ==> VarT 0
215 , "Cons" -:: a ==> listOf a ==> listOf a
216 , "Nil" -:: listOf a
217 , "Just" -:: a ==> maybeOf a
218 , "Nothing" -:: maybeOf a
219 , "curry" -:: (tupleOf [a,b] ==> c) ==> a ==> b ==> c
220 , "uncurry" -:: (a ==> b ==> c) ==> tupleOf [a,b] ==> c
221 ] ++ map tuple [0..8]
223tuple n = ("Tuple" ++ show n, Forall [1..n] [] $ foldr (==>) (tupleOf vs) vs)
224 where vs = map VarT [1..n]
226lists =
227 [ "and" -:: listOf bool ==> bool
228 , "or" -:: listOf bool ==> bool
229 , numScheme (\n -> listOf n ==> listOf n) "sort"
230 , "head" -:: listOf a ==> a
231 , "tail" -:: listOf a ==> listOf a
232 , "length" -:: listOf a ==> int
233 , "filter" -:: (a ==> bool) ==> listOf a ==> listOf a
234 , "foldr1" -:: (a ==> a ==> a) ==> listOf a ==> a
235 , "foldl1" -:: (a ==> a ==> a) ==> listOf a ==> a
236 , "scanl1" -:: (a ==> a ==> a) ==> listOf a ==> a
237 , "forall" -:: (a ==> bool) ==> listOf a ==> bool
238 , "exists" -:: (a ==> bool) ==> listOf a ==> bool
239 , "reverse" -:: listOf a ==> listOf a
240 , "take" -:: int ==> listOf a ==> listOf a
241 , "drop" -:: int ==> listOf a ==> listOf a
242 , "partition" -:: (a ==> bool) ==> listOf a ==> tupleOf [listOf a,listOf a]
243 , "intersperse" -:: a ==> listOf a ==> listOf a
244 , "zip" -:: listOf a ==>listOf b ==>listOf(tupleOf [a,b])
245 , "map" -:: (a ==> b) ==> listOf a ==> listOf b
246 , "foldr" -:: (a ==> b ==> b) ==> b ==> listOf a ==> b
247 , "foldl" -:: (a ==> b ==> b) ==> b ==> listOf a ==> b
248 , "scanl" -:: (a ==> b ==> b) ==> b ==> listOf a ==> listOf b
249 , (,) "concat" . Forall [0,1] [ Context "`concat'" $ VarT 0 :<: appendable (VarT 1) ] $
250 listOf (VarT 0) ==> VarT 0
251 , (,) "concatMap" . Forall [0,1,2] [ Context "`concatMap'" $ VarT 0 :<: appendable (VarT 1) ] $
252 (VarT 2 ==> VarT 0) ==> listOf (VarT 2) ==> VarT 0
253 , (,) "intercalate" . Forall [0,1] [ Context "`intercalate'" $ VarT 0 :<: appendable (VarT 1) ] $
254 VarT 0 ==> listOf (VarT 0) ==> VarT 0
255 , "zipWith" -:: (a ==> b ==> c) ==> listOf a ==> listOf b ==> listOf c
256 ] ++ map (numScheme (\n -> listOf n ==> n)) [ "sum", "product"
257 , "maximum", "minimum" ]
259maybeFuncs =
260 [ "maybe" -:: b ==> (a ==> b) ==> maybeOf a ==> b
261 , "isJust" -:: maybeOf a ==> bool
262 , "isNothing" -:: maybeOf a ==> bool
263 , "fromMaybe" -:: a ==> maybeOf a ==> a
264 , "consMaybe" -:: maybeOf a ==> listOf a ==> listOf a
265 , "catMaybes" -:: listOf (maybeOf a) ==> listOf a
266 , "catMaybes" -:: (a ==> maybeOf b) ==> listOf a ==> listOf b
267 ]
269-------- Everything --------
271hints = mapM (\(n,s) -> (,) n `liftM` rescheme s) hs
272 where hs = concat [ funcs, lists, signals, math, bools, str2elem, textAttrs
273 , elements, directions, colors, lineTypes, shapes
274 , concreteSignals, casts, polyCasts, json, maybeFuncs
275 , positions, collages
276 ]