package expr import ( "github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/walker" ) // Reference node type Reference struct { Variable node.Node } // NewReference node constructor func NewReference(Variable node.Node) *Reference { return &Reference{ Variable, } } // Attributes returns node attributes as map func (n *Reference) Attributes() map[string]interface{} { return nil } // Walk traverses nodes // Walk is invoked recursively until v.EnterNode returns true func (n *Reference) Walk(v walker.Visitor) { if v.EnterNode(n) == false { return } if n.Variable != nil { v.EnterChildNode("Variable", n) n.Variable.Walk(v) v.LeaveChildNode("Variable", n) } v.LeaveNode(n) }