module Erb.Ruby where

data Value
    = Literal !String
    | Array ![Expression]
    deriving (Show, Ord, Eq)

data Expression
    = LookupOperation !Expression !Expression
    | PlusOperation !Expression !Expression
    | MinusOperation !Expression !Expression
    | DivOperation !Expression !Expression
    | MultiplyOperation !Expression !Expression
    | ShiftLeftOperation !Expression !Expression
    | ShiftRightOperation !Expression !Expression
    | AndOperation !Expression !Expression
    | OrOperation !Expression !Expression
    | EqualOperation !Expression !Expression
    | DifferentOperation !Expression !Expression
    | AboveOperation !Expression !Expression
    | AboveEqualOperation !Expression !Expression
    | UnderEqualOperation !Expression !Expression
    | UnderOperation !Expression !Expression
    | RegexpOperation !Expression !Expression
    | NotRegexpOperation !Expression !Expression
    | NotOperation !Expression
    | NegOperation !Expression
    | ConditionalValue !Expression !Expression
    | Object !Expression
    | MethodCall !Expression !Expression
    | BlockOperation !String
    | Value !Value
    | BTrue
    | BFalse
    | Error !String
    deriving (Show, Ord, Eq)

data RubyStatement
    = Puts !Expression
    deriving(Show)