package expr import ( "github.com/z7zmey/php-parser/meta" "github.com/z7zmey/php-parser/node" "github.com/z7zmey/php-parser/position" "github.com/z7zmey/php-parser/walker" ) // Isset node type Isset struct { Meta meta.Collection Position *position.Position Variables []node.Node } // NewIsset node constructor func NewIsset(Variables []node.Node) *Isset { return &Isset{ Variables: Variables, } } // SetPosition sets node position func (n *Isset) SetPosition(p *position.Position) { n.Position = p } // GetPosition returns node positions func (n *Isset) GetPosition() *position.Position { return n.Position } func (n *Isset) GetMeta() *meta.Collection { return &n.Meta } // Attributes returns node attributes as map func (n *Isset) Attributes() map[string]interface{} { return nil } // Walk traverses nodes // Walk is invoked recursively until v.EnterNode returns true func (n *Isset) Walk(v walker.Visitor) { if v.EnterNode(n) == false { return } if n.Variables != nil { v.EnterChildList("Variables", n) for _, nn := range n.Variables { if nn != nil { nn.Walk(v) } } v.LeaveChildList("Variables", n) } v.LeaveNode(n) }