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rowtype-yoga/purescript-native/src/Language/PureScript/Values.hs
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1-----------------------------------------------------------------------------
2--
3-- Module : Language.PureScript.Values
4-- Copyright : (c) Phil Freeman 2013
5-- License : MIT
6--
7-- Maintainer : Phil Freeman <paf31@cantab.net>
8-- Stability : experimental
9-- Portability :
10--
11-- |
12--
13-----------------------------------------------------------------------------
15{-# LANGUAGE DeriveDataTypeable #-}
17module Language.PureScript.Values where
19import Language.PureScript.Types
20import Language.PureScript.Names
22import Data.Data
24type Guard = Value
26data UnaryOperator
27 = Negate
28 | Not
29 | BitwiseNot
30 | Positive deriving (Show, Eq, Data, Typeable)
32data BinaryOperator
33 = Add
34 | Subtract
35 | Multiply
36 | Divide
37 | Modulus
38 | EqualTo
39 | NotEqualTo
40 | LessThan
41 | LessThanOrEqualTo
42 | GreaterThan
43 | GreaterThanOrEqualTo
44 | And
45 | Or
46 | BitwiseAnd
47 | BitwiseOr
48 | BitwiseXor
49 | ShiftLeft
50 | ShiftRight
51 | ZeroFillShiftRight
52 | Concat deriving (Show, Eq, Data, Typeable)
54data Value
55 = NumericLiteral (Either Integer Double)
56 | StringLiteral String
57 | BooleanLiteral Bool
58 | Unary UnaryOperator Value
59 | Binary BinaryOperator Value Value
60 | BinaryNoParens (Qualified Ident) Value Value
61 | Parens Value
62 | ArrayLiteral [Value]
63 | Indexer Value Value
64 | ObjectLiteral [(String, Value)]
65 | Accessor String Value
66 | ObjectUpdate Value [(String, Value)]
67 | Abs [Ident] Value
68 | App Value [Value]
69 | Var (Qualified Ident)
70 | IfThenElse Value Value Value
71 | Block [Statement]
72 | Constructor (Qualified ProperName)
73 | Case [Value] [([Binder], Maybe Guard, Value)]
74 | TypedValue Value Type
75 | Do Value [DoNotationElement] deriving (Show, Data, Typeable)
77data DoNotationElement
78 = DoNotationValue Value
79 | DoNotationBind Binder Value
80 | DoNotationLet Binder Value
81 | DoNotationReturn Value deriving (Show, Data, Typeable)
83data Statement
84 = VariableIntroduction Ident Value
85 | Assignment Ident Value
86 | While Value [Statement]
87 | For Ident Value Value [Statement]
88 | If IfStatement
89 | Return Value deriving (Show, Data, Typeable)
91data IfStatement = IfStatement Value [Statement] (Maybe ElseStatement) deriving (Show, Data, Typeable)
93data ElseStatement
94 = Else [Statement]
95 | ElseIf IfStatement deriving (Show, Data, Typeable)
97data Binder
98 = NullBinder
99 | BooleanBinder Bool
100 | StringBinder String
101 | NumberBinder (Either Integer Double)
102 | VarBinder Ident
103 | NullaryBinder (Qualified ProperName)
104 | UnaryBinder (Qualified ProperName) Binder
105 | ObjectBinder [(String, Binder)]
106 | ArrayBinder [Binder]
107 | ConsBinder Binder Binder
108 | NamedBinder Ident Binder deriving (Show, Data, Typeable)