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 , scheme2 number transformable (\n t -> n ==> n ==> t ==> t) "move"
51 , scheme2 number transformable (\n t -> n ==> t ==> t) "rotate"
52 , scheme2 number transformable (\n t -> n ==> t ==> t) "scale"
53 ] ++ map (twoNums (\n m -> n ==> n ==> pairOf m ==> shape)) [ "ngon"
54 , "rect"
55 , "oval" ]
58-------- Foreign --------
60casts =
61 [ "castJSBoolToBool" -: jsBool ==> bool
62 , "castBoolToJSBool" -: bool ==> jsBool
63 , "castJSNumberToInt" -: jsNumber ==> int
64 , "castIntToJSNumber" -: int ==> jsNumber
65 , "castJSElementToElement" -: int ==> int ==> jsElement ==> element
66 , "castElementToJSElement" -: element ==> jsElement
67 , "castJSStringToString" -: jsString ==> string
68 , "castStringToJSString" -: string ==> jsString
69 , "castJSNumberToFloat" -: jsNumber ==> float
70 , "castFloatToJSNumber" -: float ==> jsNumber
71 ]
73castToTuple n = (,) name $ Forall [1..n] [] (jsTuple vs ==> tupleOf vs)
74 where vs = map VarT [1..n]
75 name = "castJSTupleToTuple" ++ show n
76castToJSTuple n = (,) name $ Forall [1..n] [] (tupleOf vs ==> jsTuple vs)
77 where vs = map VarT [1..n]
78 name = "castTupleToJSTuple" ++ show n
80polyCasts =
81 map castToTuple [2..5] ++ map castToJSTuple [2..5] ++
82 [ "castJSArrayToList" -:: jsArray a ==> listOf a
83 , "castListToJSArray" -:: listOf a ==> jsArray a
84 ]
86json =
87 [ "JsonString" -: string ==> jsonValue
88 , "JsonBool" -: bool ==> jsonValue
89 , "JsonNull" -: jsonValue
90 , "JsonArray" -: listOf jsonValue ==> jsonValue
91 , "JsonObject" -: jsonObject ==> jsonValue
92 , numScheme (\n -> n ==> jsonValue) "JsonNumber"
93 , "toPrettyString" -: string ==> jsonObject ==> string
94 , "toPrettyJSString" -: string ==> jsonObject ==> jsString
95 , "toJSString" -: jsonObject ==> jsString
96 ]
99-------- Signals --------
101sig n name = (,) name $ Forall [1..n] [] (fn ts ==> fn (map signalOf ts))
102 where fn = foldr1 (==>)
103 ts = map VarT [1..n]
105signals =
106 [ sig 1 "constant"
107 , sig 2 "lift"
108 , sig 3 "lift2"
109 , sig 4 "lift3"
110 , sig 5 "lift4"
111 , "foldp" -:: (a ==> b ==> b) ==> b ==> signalOf a ==> signalOf b
112 , "randomize" -:: int ==> int ==> signalOf a ==> signalOf int
113 , "count" -:: signalOf a ==> signalOf int
114 , "keepIf" -:: (a==>bool) ==> a ==> signalOf a ==> signalOf a
115 , "dropIf" -:: (a==>bool) ==> a ==> signalOf a ==> signalOf a
116 , "keepWhen" -:: signalOf bool ==>a==> signalOf a ==> signalOf a
117 , "dropWhen" -:: signalOf bool ==>a==> signalOf a ==> signalOf a
118 , "dropRepeats" -:: signalOf a ==> signalOf a
119 , "sampleOn" -:: signalOf a ==> signalOf b ==> signalOf b
120 ]
122concreteSignals =
123 [ "keysDown" -: signalOf (listOf int)
124 , "charPressed" -: signalOf (maybeOf int)
125 , "inRange" -: int ==> int ==> signalOf int
126 , timeScheme "every" (\t -> t ==> signalOf t)
127 , timeScheme "before" (\t -> t ==> signalOf bool)
128 , timeScheme "after" (\t -> t ==> signalOf bool)
129 , "dimensions" -: signalOf point
130 , "position" -: signalOf point
131 , "x" -: signalOf int
132 , "y" -: signalOf int
133 , "isDown" -: signalOf bool
134 , "isClicked" -: signalOf bool
135 , "textField" -: string ==> tupleOf [element, signalOf string]
136 , "password" -: string ==> tupleOf [element, signalOf string]
137 , "textArea" -: int ==> int ==> tupleOf [element, signalOf string]
138 , "checkBox" -: bool ==> tupleOf [element, signalOf bool]
139 , "button" -: string ==> tupleOf [element, signalOf bool]
140 , "stringDropDown" -: listOf string ==> tupleOf [element, signalOf string]
141 ]
143-------- Math and Binops --------
145binop t = t ==> t ==> t
146scheme1 super t name = (name, Forall [0] [VarT 0 :<: super] (t (VarT 0)))
147scheme2 s1 s2 t name =
148 (name, Forall [0,1] [VarT 0 :<: s1, VarT 1 :<: s2] (t (VarT 0) (VarT 1)))
149numScheme t name = scheme1 number t name
150timeScheme name t = scheme1 time t name
151twoNums f name = scheme2 number number f name
153math =
154 map (numScheme (\t -> t ==> binop t)) ["clamp"] ++
155 map (numScheme (\t -> binop t)) ["+","-","*","max","min"] ++
156 [ numScheme (\t -> t ==> t) "abs" ] ++
157 hasType (binop float) [ "/", "logBase" ] ++
158 hasType (binop int) ["rem","div","mod"] ++
159 hasType (float ==> float) ["sin","cos","tan","asin","acos","atan","sqrt"] ++
160 hasType float ["pi","e"] ++
161 hasType (int ==> float) ["toFloat","castIntToFloat"] ++
162 hasType (float ==> int) ["round","floor","ceiling","truncate"]
164bools =
165 [ "not" -: bool ==> bool ] ++
166 hasType (binop bool) ["&&","||"] ++
167 map (scheme1 comparable (\t -> t ==> t ==> bool)) ["<",">","<=",">="] ++
168 [ ( "compare"
169 , Forall [0,1] [ VarT 0 :<: comparable ] (VarT 0 ==> VarT 0 ==> VarT 1) )
170 ]
172-------- Polymorphic Functions --------
174var = VarT `liftM` guid
175vars n = mapM (const var) [1..n]
177infix 8 -::
178name -:: tipe = (name, Forall [1,2,3] [] tipe)
180[a,b,c] = map VarT [1,2,3]
182funcs =
183 [ "id" -:: a ==> a
184 , "==" -:: a ==> a ==> bool
185 , "/=" -:: a ==> a ==> bool
186 , "flip" -:: (a ==> b ==> c) ==> (b ==> a ==> c)
187 , "." -:: (b ==> c) ==> (a ==> b) ==> (a ==> c)
188 , "$" -:: (a ==> b) ==> a ==> b
189 , ":" -:: a ==> listOf a ==> listOf a
190 , (,) "++" . Forall [0,1] [ VarT 0 :<: appendable (VarT 1) ] $ VarT 0 ==> VarT 0 ==> VarT 0
191 , "Cons" -:: a ==> listOf a ==> listOf a
192 , "Nil" -:: listOf a
193 , "Just" -:: a ==> maybeOf a
194 , "Nothing" -:: maybeOf a
195 , "elmRange" -:: int ==> int ==> listOf int
196 ]
198lists =
199 [ "and" -:: listOf bool ==> bool
200 , "or" -:: listOf bool ==> bool
201 , numScheme (\n -> listOf n ==> listOf n) "sort"
202 , "head" -:: listOf a ==> a
203 , "tail" -:: listOf a ==> listOf a
204 , "length" -:: listOf a ==> int
205 , "filter" -:: (a ==> bool) ==> listOf a ==> listOf a
206 , "foldr1" -:: (a ==> a ==> a) ==> listOf a ==> a
207 , "foldl1" -:: (a ==> a ==> a) ==> listOf a ==> a
208 , "scanl1" -:: (a ==> a ==> a) ==> listOf a ==> a
209 , "forall" -:: (a ==> bool) ==> listOf a ==> bool
210 , "exists" -:: (a ==> bool) ==> listOf a ==> bool
211 , "reverse" -:: listOf a ==> listOf a
212 , "take" -:: int ==> listOf a ==> listOf a
213 , "drop" -:: int ==> listOf a ==> listOf a
214 , "partition" -:: (a ==> bool) ==> listOf a ==> tupleOf [listOf a,listOf a]
215 , "intersperse" -:: a ==> listOf a ==> listOf a
216 , "zip" -:: listOf a ==>listOf b ==>listOf(tupleOf [a,b])
217 , "map" -:: (a ==> b) ==> listOf a ==> listOf b
218 , "foldr" -:: (a ==> b ==> b) ==> b ==> listOf a ==> b
219 , "foldl" -:: (a ==> b ==> b) ==> b ==> listOf a ==> b
220 , "scanl" -:: (a ==> b ==> b) ==> b ==> listOf a ==> listOf b
221 , (,) "concat" . Forall [0,1] [ VarT 0 :<: appendable (VarT 1) ] $
222 listOf (VarT 0) ==> VarT 0
223 , (,) "concatMap" . Forall [0,1,2] [ VarT 0 :<: appendable (VarT 1) ] $
224 (VarT 2 ==> VarT 0) ==> listOf (VarT 2) ==> VarT 0
225 , (,) "intercalate" . Forall [0,1] [ VarT 0 :<: appendable (VarT 1) ] $
226 VarT 0 ==> listOf (VarT 0) ==> VarT 0
227 , "zipWith" -:: (a ==> b ==> c) ==> listOf a ==> listOf b ==> listOf c
228 ] ++ map (numScheme (\n -> listOf n ==> n)) [ "sum", "product"
229 , "maximum", "minimum" ]
232-------- Everything --------
234hints =
235 concat [ funcs, lists, signals, math, bools, str2elem, textAttrs
236 , elements, directions, colors, lineTypes, shapes
237 , concreteSignals, casts, polyCasts, json
238 ]