add attributes fiald to all nodes

node/name/fully_qualified.go

@@ -12,6 +12,7 @@ func NewFullyQualified(parts []node.Node) node.Node {
 	return FullyQualified{
 		NameNode{
 			"FullyQualifiedName",
+			map[string]interface{}{},
 			parts,
 		},
 	}
@@ -22,5 +23,5 @@ func (n FullyQualified) Name() string {
 }
 
 func (n FullyQualified) Attributes() map[string]interface{} {
-	return nil
+	return n.attributes
 }

node/name/name.go

@@ -5,13 +5,15 @@ import (
 )
 
 type NameNode struct {
-	name  string
-	parts []node.Node
+	name       string
+	attributes map[string]interface{}
+	parts      []node.Node
 }
 
 func NewName(parts []node.Node) node.Node {
 	return NameNode{
 		"Name",
+		map[string]interface{}{},
 		parts,
 	}
 }
@@ -21,7 +23,7 @@ func (n NameNode) Name() string {
 }
 
 func (n NameNode) Attributes() map[string]interface{} {
-	return nil
+	return n.attributes
 }
 
 func (n NameNode) Walk(v node.Visitor) {

node/name/relative.go

@@ -12,6 +12,7 @@ func NewRelative(parts []node.Node) node.Node {
 	return Relative{
 		NameNode{
 			"RelativeName",
+			map[string]interface{}{},
 			parts,
 		},
 	}
@@ -22,5 +23,5 @@ func (n Relative) Name() string {
 }
 
 func (n Relative) Attributes() map[string]interface{} {
-	return nil
+	return n.attributes
 }