graphql/Data/GraphQL/AST/Core.hs
2017-01-26 12:52:07 -03:00

32 lines
879 B
Haskell

-- | This is the AST meant to be executed.
module Data.GraphQL.AST.Core where
import Data.Int (Int32)
import Data.List.NonEmpty (NonEmpty)
import Data.Text (Text)
newtype Name = Name Text deriving (Eq,Show)
newtype Document = Document (NonEmpty Operation) deriving (Eq,Show)
data Operation = Query (NonEmpty Field)
| Mutation (NonEmpty Field)
deriving (Eq,Show)
data Field = Field Name [Argument] [Field] deriving (Eq,Show)
data Argument = Argument Name Value deriving (Eq,Show)
data Value = ValueInt Int32
-- GraphQL Float is double precision
| ValueFloat Double
| ValueBoolean Bool
| ValueString Text
| ValueEnum Name
| ValueList [Value]
| ValueObject [ObjectField]
deriving (Eq,Show)
data ObjectField = ObjectField Name Value deriving (Eq,Show)