git.iko.soy/elk
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elk/elm/src/Types/Hints.hs
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2module Hints (hints) where
4import Control.Monad (liftM,mapM)
5import Control.Arrow (first)
6import Types
7import Guid
10-------- Text and Elements --------
12str2elem = hasType (string ==> element) [ "image","video","plainText" ]
14textToText = [ "header", "italic", "bold", "underline"
15 , "overline", "strikeThrough", "monospace" ]
17textAttrs = [ "toText" -: string ==> text
18 , "link" -: string ==> text ==> text
19 , numScheme (\t -> t ==> text ==> text) "Text.height"
20 ] ++ hasType (text ==> text) textToText
22elements = let iee = int ==> element ==> element in
23 [ "flow" -: direction ==> listOf element ==> element
24 , "layers" -: listOf element ==> element
25 , "text" -: text ==> element
26 , "opacity" -: float ==> element ==> element
27 , "width" -: iee
28 , "height" -: iee
29 , "size" -: int ==> iee
30 , "box" -: iee
31 , "centeredText" -: text ==> element
32 , "justifiedText" -: text ==> element
33 , "collage" -: int ==> int ==> listOf form ==> element
34 ]
36directions = hasType direction ["up","down","left","right","inward","outward"]
37colors = [ numScheme (\n -> n ==> n ==> n ==> color) "rgb"
38 , numScheme (\n -> n ==> n ==> n ==> n ==> color) "rgba"
39 ] ++ hasType color ["red","green","blue","black","white"
40 ,"yellow","cyan","magenta","grey","gray"]
42lineTypes = [ numScheme (\n -> listOf (pairOf n) ==> line) "line"
43 , "customLine" -: listOf int ==> color ==> line ==> form
44 ] ++ hasType (color ==> line ==> form) ["solid","dashed","dotted"]
46shapes = [ twoNums (\n m -> listOf (pairOf n) ==> pairOf m ==> shape) "polygon"
47 , "filled" -: color ==> shape ==> form
48 , "outlined" -: color ==> shape ==> form
49 , "customOutline" -: listOf int ==> color ==> shape ==> form
50 ] ++ map (twoNums (\n m -> n ==> n ==> pairOf m ==> shape)) [ "ngon"
51 , "rect"
52 , "oval" ]
55-------- Foreign --------
57casts =
58 [ "castJSBoolToBool" -: jsBool ==> bool
59 , "castBoolToJSBool" -: bool ==> jsBool
60 , "castJSNumberToInt" -: jsNumber ==> int
61 , "castIntToJSNumber" -: int ==> jsNumber
62 , "castJSElementToElement" -: int ==> int ==> jsElement ==> element
63 , "castElementToJSElement" -: element ==> jsElement
64 , "castJSStringToString" -: jsString ==> string
65 , "castStringToJSString" -: string ==> jsString
66 , "castJSNumberToFloat" -: jsNumber ==> float
67 , "castFloatToJSNumber" -: float ==> jsNumber
68 ]
70castToTuple n = (,) name $ Forall [1..n] [] (jsTuple vs ==> tupleOf vs)
71 where vs = map VarT [1..n]
72 name = "castJSTupleToTuple" ++ show n
73castToJSTuple n = (,) name $ Forall [1..n] [] (tupleOf vs ==> jsTuple vs)
74 where vs = map VarT [1..n]
75 name = "castTupleToJSTuple" ++ show n
77polyCasts =
78 map castToTuple [2..5] ++ map castToJSTuple [2..5] ++
79 [ "castJSArrayToList" -:: jsArray a ==> listOf a
80 , "castListToJSArray" -:: listOf a ==> jsArray a
81 ]
83json =
84 [ "JsonString" -: string ==> jsonValue
85 , "JsonBool" -: bool ==> jsonValue
86 , "JsonNull" -: jsonValue
87 , "JsonArray" -: listOf jsonValue ==> jsonValue
88 , "JsonObject" -: jsonObject ==> jsonValue
89 , numScheme (\n -> n ==> jsonValue) "JsonNumber"
90 , "toPrettyString" -: string ==> jsonObject ==> string
91 , "toPrettyJSString" -: string ==> jsonObject ==> jsString
92 , "toJSString" -: jsonObject ==> jsString
93 ]
96-------- Signals --------
98sig n name = (,) name $ Forall [1..n] [] (fn ts ==> fn (map signalOf ts))
99 where fn = foldr1 (==>)
100 ts = map VarT [1..n]
102signals =
103 [ sig 1 "constant"
104 , sig 2 "lift"
105 , sig 3 "lift2"
106 , sig 4 "lift3"
107 , sig 5 "lift4"
108 , "foldp" -:: (a ==> b ==> b) ==> b ==> signalOf a ==> signalOf b
109 , "randomize" -:: int ==> int ==> signalOf a ==> signalOf int
110 , "count" -:: signalOf a ==> signalOf int
111 , "keepIf" -:: (a==>bool) ==> a ==> signalOf a ==> signalOf a
112 , "dropIf" -:: (a==>bool) ==> a ==> signalOf a ==> signalOf a
113 , "keepWhen" -:: signalOf bool ==>a==> signalOf a ==> signalOf a
114 , "dropWhen" -:: signalOf bool ==>a==> signalOf a ==> signalOf a
115 , "dropRepeats" -:: signalOf a ==> signalOf a
116 , "sampleOn" -:: signalOf a ==> signalOf b ==> signalOf b
117 ]
119concreteSignals =
120 [ "keysDown" -: signalOf (listOf int)
121 , "charPressed" -: signalOf (maybeOf int)
122 , "inRange" -: int ==> int ==> signalOf int
123 , timeScheme "every" (\t -> t ==> signalOf t)
124 , timeScheme "before" (\t -> t ==> signalOf bool)
125 , timeScheme "after" (\t -> t ==> signalOf bool)
126 , "dimensions" -: signalOf point
127 , "position" -: signalOf point
128 , "x" -: signalOf int
129 , "y" -: signalOf int
130 , "isDown" -: signalOf bool
131 , "isClicked" -: signalOf bool
132 , "textField" -: string ==> tupleOf [element, signalOf string]
133 , "password" -: string ==> tupleOf [element, signalOf string]
134 , "textArea" -: int ==> int ==> tupleOf [element, signalOf string]
135 , "checkBox" -: bool ==> tupleOf [element, signalOf bool]
136 , "button" -: string ==> tupleOf [element, signalOf bool]
137 , "stringDropDown" -: listOf string ==> tupleOf [element, signalOf string]
138 ]
140-------- Math and Binops --------
142binop t = t ==> t ==> t
143scheme1 super t name = (name, Forall [0] [VarT 0 :<: super] (t (VarT 0)))
144numScheme t name = scheme1 number t name
145timeScheme name t = scheme1 time t name
146twoNums f name =
147 (,) name . Forall [0,1] [ VarT 0 :<: number, VarT 1 :<: number ] $
148 f (VarT 0) (VarT 1)
150math =
151 map (numScheme (\t -> t ==> binop t)) ["clamp"] ++
152 map (numScheme (\t -> binop t)) ["+","-","*","max","min"] ++
153 [ numScheme (\t -> t ==> t) "abs" ] ++
154 hasType (binop float) [ "/", "logBase" ] ++
155 hasType (binop int) ["rem","div","mod"] ++
156 hasType (float ==> float) ["sin","cos","tan","asin","acos","atan","sqrt"] ++
157 hasType float ["pi","e"] ++
158 hasType (int ==> float) ["toFloat","castIntToFloat"] ++
159 hasType (float ==> int) ["round","floor","ceiling","truncate"]
161bools =
162 [ "not" -: bool ==> bool ] ++
163 hasType (binop bool) ["&&","||"] ++
164 map (scheme1 comparable (\t -> t ==> t ==> bool)) ["<",">","<=",">="] ++
165 [ ( "compare"
166 , Forall [0,1] [ VarT 0 :<: comparable ] (VarT 0 ==> VarT 0 ==> VarT 1) )
167 ]
169-------- Polymorphic Functions --------
171var = VarT `liftM` guid
172vars n = mapM (const var) [1..n]
174infix 8 -::
175name -:: tipe = (name, Forall [1,2,3] [] tipe)
177[a,b,c] = map VarT [1,2,3]
179funcs =
180 [ "id" -:: a ==> a
181 , "==" -:: a ==> a ==> bool
182 , "/=" -:: a ==> a ==> bool
183 , "flip" -:: (a ==> b ==> c) ==> (b ==> a ==> c)
184 , "." -:: (b ==> c) ==> (a ==> b) ==> (a ==> c)
185 , "$" -:: (a ==> b) ==> a ==> b
186 , ":" -:: a ==> listOf a ==> listOf a
187 , (,) "++" . Forall [0,1] [ VarT 0 :<: appendable (VarT 1) ] $ VarT 0 ==> VarT 0 ==> VarT 0
188 , "Cons" -:: a ==> listOf a ==> listOf a
189 , "Nil" -:: listOf a
190 , "Just" -:: a ==> maybeOf a
191 , "Nothing" -:: maybeOf a
192 , "elmRange" -:: int ==> int ==> listOf int
193 ]
195lists =
196 [ "and" -:: listOf bool ==> bool
197 , "or" -:: listOf bool ==> bool
198 , numScheme (\n -> listOf n ==> listOf n) "sort"
199 , "head" -:: listOf a ==> a
200 , "tail" -:: listOf a ==> listOf a
201 , "length" -:: listOf a ==> int
202 , "filter" -:: (a ==> bool) ==> listOf a ==> listOf a
203 , "foldr1" -:: (a ==> a ==> a) ==> listOf a ==> a
204 , "foldl1" -:: (a ==> a ==> a) ==> listOf a ==> a
205 , "scanl1" -:: (a ==> a ==> a) ==> listOf a ==> a
206 , "forall" -:: (a ==> bool) ==> listOf a ==> bool
207 , "exists" -:: (a ==> bool) ==> listOf a ==> bool
208 , "reverse" -:: listOf a ==> listOf a
209 , "take" -:: int ==> listOf a ==> listOf a
210 , "drop" -:: int ==> listOf a ==> listOf a
211 , "partition" -:: (a ==> bool) ==> listOf a ==> tupleOf [listOf a,listOf a]
212 , "intersperse" -:: a ==> listOf a ==> listOf a
213 , "zip" -:: listOf a ==>listOf b ==>listOf(tupleOf [a,b])
214 , "map" -:: (a ==> b) ==> listOf a ==> listOf b
215 , "foldr" -:: (a ==> b ==> b) ==> b ==> listOf a ==> b
216 , "foldl" -:: (a ==> b ==> b) ==> b ==> listOf a ==> b
217 , "scanl" -:: (a ==> b ==> b) ==> b ==> listOf a ==> listOf b
218 , (,) "concat" . Forall [0,1] [ VarT 0 :<: appendable (VarT 1) ] $
219 listOf (VarT 0) ==> VarT 0
220 , (,) "concatMap" . Forall [0,1,2] [ VarT 0 :<: appendable (VarT 1) ] $
221 (VarT 2 ==> VarT 0) ==> listOf (VarT 2) ==> VarT 0
222 , (,) "intercalate" . Forall [0,1] [ VarT 0 :<: appendable (VarT 1) ] $
223 VarT 0 ==> listOf (VarT 0) ==> VarT 0
224 , "zipWith" -:: (a ==> b ==> c) ==> listOf a ==> listOf b ==> listOf c
225 ] ++ map (numScheme (\n -> listOf n ==> n)) [ "sum", "product"
226 , "maximum", "minimum" ]
229-------- Everything --------
231hints =
232 concat [ funcs, lists, signals, math, bools, str2elem, textAttrs
233 , elements, directions, colors, lineTypes, shapes
234 , concreteSignals, casts, polyCasts, json
235 ]