refactoring: move internal nodes

pkg/ast/node.go

@@ -2644,97 +2644,3 @@ func (n *NameNamePart) Accept(v Visitor) {
 func (n *NameNamePart) GetPosition() *position.Position {
 	return n.Position
 }
-
-// TODO: move to private section
-
-type ParserBrackets struct {
-	Position        *position.Position
-	OpenBracketTkn  *token.Token
-	Child           Vertex
-	CloseBracketTkn *token.Token
-}
-
-func (n *ParserBrackets) Accept(v Visitor) {
-	// do nothing
-}
-
-func (n *ParserBrackets) GetPosition() *position.Position {
-	return n.Position
-}
-
-type ParserSeparatedList struct {
-	Position      *position.Position
-	Items         []Vertex
-	SeparatorTkns []*token.Token
-}
-
-func (n *ParserSeparatedList) Accept(v Visitor) {
-	// do nothing
-}
-
-func (n *ParserSeparatedList) GetPosition() *position.Position {
-	return n.Position
-}
-
-// TraitAdaptationList node
-type TraitAdaptationList struct {
-	Position             *position.Position
-	OpenCurlyBracketTkn  *token.Token
-	Adaptations          []Vertex
-	CloseCurlyBracketTkn *token.Token
-}
-
-func (n *TraitAdaptationList) Accept(v Visitor) {
-	// do nothing
-}
-
-func (n *TraitAdaptationList) GetPosition() *position.Position {
-	return n.Position
-}
-
-// ArgumentList node
-type ArgumentList struct {
-	Position            *position.Position
-	OpenParenthesisTkn  *token.Token
-	Arguments           []Vertex
-	SeparatorTkns       []*token.Token
-	CloseParenthesisTkn *token.Token
-}
-
-func (n *ArgumentList) Accept(v Visitor) {
-	// do nothing
-}
-
-func (n *ArgumentList) GetPosition() *position.Position {
-	return n.Position
-}
-
-type ReturnType struct {
-	Position *position.Position
-	ColonTkn *token.Token
-	Type     Vertex
-}
-
-func (n *ReturnType) Accept(v Visitor) {
-	// do nothing
-}
-
-func (n *ReturnType) GetPosition() *position.Position {
-	return n.Position
-}
-
-// TraitMethodRef node
-type TraitMethodRef struct {
-	Position       *position.Position
-	Trait          Vertex
-	DoubleColonTkn *token.Token
-	Method         Vertex
-}
-
-func (n *TraitMethodRef) Accept(v Visitor) {
-	// do nothing
-}
-
-func (n *TraitMethodRef) GetPosition() *position.Position {
-	return n.Position
-}