package cast import ( "github.com/z7zmey/php-parser/freefloating" "github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/position" "github.com/z7zmey/php-parser/walker" ) // Unset node type Unset struct { FreeFloating freefloating.Collection Position *position.Position Expr node.Node } // NewUnset node constructor func NewUnset(Expr node.Node) *Unset { return &Unset{ FreeFloating: nil, Expr: Expr, } } // SetPosition sets node position func (n *Unset) SetPosition(p *position.Position) { n.Position = p } // GetPosition returns node positions func (n *Unset) GetPosition() *position.Position { return n.Position } func (n *Unset) GetFreeFloating() *freefloating.Collection { return &n.FreeFloating } // Attributes returns node attributes as map func (n *Unset) Attributes() map[string]interface{} { return nil } // Walk traverses nodes // Walk is invoked recursively until v.EnterNode returns true func (n *Unset) Walk(v walker.Visitor) { if v.EnterNode(n) == false { return } if n.Expr != nil { v.EnterChildNode("Expr", n) n.Expr.Walk(v) v.LeaveChildNode("Expr", n) } v.LeaveNode(n) }