package expr import ( "github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/walker" ) // Empty node type Empty struct { Expr node.Node } // NewEmpty node constuctor func NewEmpty(Expression node.Node) *Empty { return &Empty{ Expression, } } // Attributes returns node attributes as map func (n *Empty) Attributes() map[string]interface{} { return nil } // Walk traverses nodes // Walk is invoked recursively until v.EnterNode returns true func (n *Empty) Walk(v walker.Visitor) { if v.EnterNode(n) == false { return } if n.Expr != nil { vv := v.GetChildrenVisitor("Expr") n.Expr.Walk(vv) } v.LeaveNode(n) }