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Minor adjustments in AST for easier parsing

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Also `Maybe` wrappers removed. I don't think there needs to be a special
case for empty values vs no values at all.
This commit is contained in:
Danny Navarro
2015-09-13 13:49:11 +02:00
parent 97b99eb448
commit 44a2ff4765
1 changed files with 20 additions and 17 deletions
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37
Data/GraphQL/AST.hs
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@@ -16,12 +16,13 @@ data Definition = DefinitionOperation OperationDefinition
deriving (Eq,Show)
data OperationDefinition =
Query Name (Maybe [VariableDefinition]) (Maybe [Directive]) SelectionSet
| Mutation Name (Maybe [VariableDefinition]) (Maybe [Directive]) SelectionSet
| Subscription Name (Maybe [VariableDefinition]) (Maybe [Directive]) SelectionSet
Query Name [VariableDefinition] [Directive] SelectionSet
| Mutation Name [VariableDefinition] [Directive] SelectionSet
-- Not official yet
-- -- | Subscription Name [VariableDefinition] [Directive] SelectionSet
deriving (Eq,Show)
data VariableDefinition = VariableDefinition Variable Type (Maybe DefaultValue)
data VariableDefinition = VariableDefinition Variable Type DefaultValue
deriving (Eq,Show)
newtype Variable = Variable Name deriving (Eq,Show)
@@ -33,9 +34,9 @@ data Selection = SelectionField Field
| SelectionInlineFragment InlineFragment
deriving (Eq,Show)
data Field = Field (Maybe Alias) Name (Maybe [Argument])
(Maybe [Directive])
(Maybe SelectionSet)
data Field = Field Alias Name [Argument]
[Directive]
SelectionSet
deriving (Eq,Show)
type Alias = Name
@@ -44,15 +45,15 @@ data Argument = Argument Name Value deriving (Eq,Show)
-- * Fragments
data FragmentSpread = FragmentSpread Name (Maybe [Directive])
data FragmentSpread = FragmentSpread Name [Directive]
deriving (Eq,Show)
data InlineFragment =
InlineFragment TypeCondition (Maybe [Directive]) SelectionSet
InlineFragment TypeCondition [Directive] SelectionSet
deriving (Eq,Show)
data FragmentDefinition =
FragmentDefinition Name TypeCondition (Maybe [Directive]) SelectionSet
FragmentDefinition Name TypeCondition [Directive] SelectionSet
deriving (Eq,Show)
type TypeCondition = NamedType
@@ -60,10 +61,10 @@ type TypeCondition = NamedType
-- * Values
data Value = ValueVariable Variable
| ValueInt Int
| ValueFloat Float
| ValueString Text
| ValueInt Int -- TODO: Should this be `Integer`?
| ValueFloat Double -- TODO: Should this be `Scientific`?
| ValueBoolean Bool
| ValueString Text
| ValueEnum Name
| ValueList ListValue
| ValueObject ObjectValue
@@ -79,7 +80,7 @@ type DefaultValue = Value
-- * Directives
data Directive = Directive Name (Maybe [Argument]) deriving (Eq,Show)
data Directive = Directive Name [Argument] deriving (Eq,Show)
-- * Type Reference
@@ -107,15 +108,17 @@ data TypeDefinition = TypeDefinitionObject ObjectTypeDefinition
| TypeDefinitionTypeExtension TypeExtensionDefinition
deriving (Eq,Show)
data ObjectTypeDefinition = ObjectTypeDefinition Name (Maybe Interfaces) [FieldDefinition]
data ObjectTypeDefinition = ObjectTypeDefinition Name Interfaces [FieldDefinition]
deriving (Eq,Show)
type Interfaces = [NamedType]
data FieldDefinition = FieldDefinition Name [InputValueDefinition]
data FieldDefinition = FieldDefinition Name ArgumentsDefinition Type
deriving (Eq,Show)
data InputValueDefinition = InputValueDefinition Name Type (Maybe DefaultValue)
type ArgumentsDefinition = [InputValueDefinition]
data InputValueDefinition = InputValueDefinition Name Type DefaultValue
deriving (Eq,Show)
data InterfaceTypeDefinition = InterfaceTypeDefinition Name [FieldDefinition]