Add location information to list values

src/Language/GraphQL/AST/Document.hs

@@ -263,7 +263,7 @@ data Value
     | Boolean Bool
     | Null
     | Enum Name
-    | List [Value]
+    | List [Node Value]
     | Object [ObjectField Value]
     deriving Eq
 
@@ -287,7 +287,7 @@ data ConstValue
     | ConstBoolean Bool
     | ConstNull
     | ConstEnum Name
-    | ConstList [ConstValue]
+    | ConstList [Node ConstValue]
     | ConstObject [ObjectField ConstValue]
     deriving Eq
 

src/Language/GraphQL/AST/Encoder.hs

@@ -219,7 +219,7 @@ fromConstValue (Full.ConstBoolean  x) = Full.Boolean x
 fromConstValue Full.ConstNull = Full.Null
 fromConstValue (Full.ConstString string) = Full.String string
 fromConstValue (Full.ConstEnum x) = Full.Enum x
-fromConstValue (Full.ConstList x) = Full.List $ fromConstValue <$> x
+fromConstValue (Full.ConstList x) = Full.List $ fmap fromConstValue <$> x
 fromConstValue (Full.ConstObject x) = Full.Object $ fromConstObjectField <$> x
   where
     fromConstObjectField Full.ObjectField{value = value', ..} =
@@ -266,8 +266,8 @@ stringValue (Pretty indentation) string =
             = Builder.fromLazyText (indent (indentation + 1))
             <> line' <> newline <> acc
 
-listValue :: Formatter -> [Full.Value] -> Lazy.Text
-listValue formatter = bracketsCommas formatter $ value formatter
+listValue :: Formatter -> [Full.Node Full.Value] -> Lazy.Text
+listValue formatter = bracketsCommas formatter $ value formatter . Full.node
 
 objectValue :: Formatter -> [Full.ObjectField Full.Value] -> Lazy.Text
 objectValue formatter = intercalate $ objectField formatter

src/Language/GraphQL/AST/Parser.hs

@@ -450,7 +450,7 @@ value = Full.Variable <$> variable
     <|> Full.Null <$  nullValue
     <|> Full.String <$> stringValue
     <|> Full.Enum <$> try enumValue
-    <|> Full.List <$> brackets (some value)
+    <|> Full.List <$> brackets (some $ valueNode value)
     <|> Full.Object <$> braces (some $ objectField $ valueNode value)
     <?> "Value"
 
@@ -461,7 +461,7 @@ constValue = Full.ConstFloat <$> try float
     <|> Full.ConstNull <$ nullValue
     <|> Full.ConstString <$> stringValue
     <|> Full.ConstEnum <$> try enumValue
-    <|> Full.ConstList <$> brackets (many constValue)
+    <|> Full.ConstList <$> brackets (many $ valueNode constValue)
     <|> Full.ConstObject <$> braces (many $ objectField $ valueNode constValue)
     <?> "Value"
 

src/Language/GraphQL/Execute/Transform.hs

@@ -173,7 +173,7 @@ constValue (Full.ConstString x) = Type.String x
 constValue (Full.ConstBoolean b) = Type.Boolean b
 constValue Full.ConstNull = Type.Null
 constValue (Full.ConstEnum e) = Type.Enum e
-constValue (Full.ConstList l) = Type.List $ constValue <$> l
+constValue (Full.ConstList list) = Type.List $ constValue . Full.node <$> list
 constValue (Full.ConstObject o) =
     Type.Object $ HashMap.fromList $ constObjectField <$> o
   where
@@ -380,7 +380,7 @@ value (Full.String string) = pure $ Type.String string
 value (Full.Boolean boolean) = pure $ Type.Boolean boolean
 value Full.Null = pure Type.Null
 value (Full.Enum enum) = pure $ Type.Enum enum
-value (Full.List list) = Type.List <$> traverse value list
+value (Full.List list) = Type.List <$> traverse (value . Full.node) list
 value (Full.Object object) =
     Type.Object . HashMap.fromList <$> traverse objectField object
   where
@@ -396,7 +396,7 @@ input (Full.String string) = pure $ pure $ String string
 input (Full.Boolean boolean) = pure $ pure $ Boolean boolean
 input Full.Null = pure $ pure Null
 input (Full.Enum enum) = pure $ pure $ Enum enum
-input (Full.List list) = pure . List <$> traverse value list
+input (Full.List list) = pure . List <$> traverse (value . Full.node) list
 input (Full.Object object) = do
     objectFields <- foldM objectField HashMap.empty object
     pure $ pure $ Object objectFields

src/Language/GraphQL/Validate.hs

@@ -315,8 +315,8 @@ constValue (Validation.ValueRule _ rule) valueType = go valueType
     go inputObjectType value'@(Full.Node (Full.ConstObject fields) _)
         = foldMap (forEach inputObjectType) (Seq.fromList fields)
         |> rule inputObjectType value'
-    go listType value'@(Full.Node (Full.ConstList values) location')
-        = embedListLocation go listType values location'
+    go listType value'@(Full.Node (Full.ConstList values) _location)
+        = embedListLocation go listType values
         |> rule listType value'
     go anotherValue value' = pure $ rule anotherValue value'
     forEach inputObjectType Full.ObjectField{value = value', ..} =
@@ -421,16 +421,15 @@ argument rule argumentType (Full.Argument _ value' _) =
   where
     valueType (In.Argument _ valueType' _) = valueType'
 
--- valueTypeFromList :: Maybe In.Type -> Maybe In.Type
+-- Applies a validation rule to each list value and merges returned errors.
 embedListLocation :: forall a m
     . (Maybe In.Type -> Full.Node a -> Seq m)
     -> Maybe In.Type
-    -> [a]
-    -> Full.Location
+    -> [Full.Node a]
     -> Seq m
-embedListLocation go listType values location'
+embedListLocation go listType
     = foldMap (go $ valueTypeFromList listType) 
-    $ flip Full.Node location' <$> Seq.fromList values
+    . Seq.fromList
   where
     valueTypeFromList (Just (In.ListBaseType baseType)) = Just baseType
     valueTypeFromList _ = Nothing
@@ -445,8 +444,8 @@ value (Validation.ValueRule rule _) valueType = go valueType
     go inputObjectType value'@(Full.Node (Full.Object fields) _)
         = foldMap (forEach inputObjectType) (Seq.fromList fields)
         |> rule inputObjectType value'
-    go listType value'@(Full.Node (Full.List values) location')
-        = embedListLocation go listType values location'
+    go listType value'@(Full.Node (Full.List values) _location)
+        = embedListLocation go listType values
         |> rule listType value'
     go anotherValue value' = pure $ rule anotherValue value'
     forEach inputObjectType Full.ObjectField{value = value', ..} =

src/Language/GraphQL/Validate/Rules.hs

@@ -1550,7 +1550,7 @@ valuesOfCorrectTypeRule = ValueRule go constGo
     toConst Full.Null = Just Full.ConstNull
     toConst (Full.Enum enum) = Just $ Full.ConstEnum enum
     toConst (Full.List values) =
-        Just $ Full.ConstList $ catMaybes $ toConst <$> values
+        Just $ Full.ConstList $ catMaybes $ toConstNode <$> values
     toConst (Full.Object fields) = Just $ Full.ConstObject
         $ catMaybes $ constObjectField <$> fields
     constObjectField Full.ObjectField{..}
@@ -1587,7 +1587,7 @@ valuesOfCorrectTypeRule = ValueRule go constGo
             foldMap (checkObjectField typeFields) valueFields
     check (In.ListBaseType listType) constValue@Full.Node{ .. }
         | Full.ConstList listValues <- node =
-            foldMap (check listType) $ flip Full.Node location <$> listValues
+            foldMap (check listType) listValues
         | otherwise = check listType constValue
     check inputType Full.Node{ .. } = pure $ Error
         { message = concat