package expr import ( "github.com/z7zmey/php-parser/node" ) type Empty struct { name string attributes map[string]interface{} position *node.Position expr node.Node } func NewEmpty(expression node.Node) node.Node { return Empty{ "Empty", map[string]interface{}{}, nil, expression, } } func (n Empty) Name() string { return "Empty" } func (n Empty) Attributes() map[string]interface{} { return n.attributes } func (n Empty) Attribute(key string) interface{} { return n.attributes[key] } func (n Empty) SetAttribute(key string, value interface{}) node.Node { n.attributes[key] = value return n } func (n Empty) Position() *node.Position { return n.position } func (n Empty) SetPosition(p *node.Position) node.Node { n.position = p return n } func (n Empty) Walk(v node.Visitor) { if v.EnterNode(n) == false { return } if n.expr != nil { vv := v.GetChildrenVisitor("expr") n.expr.Walk(vv) } v.LeaveNode(n) }