package assign 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" ) // Reference node type Reference struct { Meta meta.Collection Position *position.Position Variable node.Node Expression node.Node } // NewReference node constructor func NewReference(Variable node.Node, Expression node.Node) *Reference { return &Reference{ Variable: Variable, Expression: Expression, } } // SetPosition sets node position func (n *Reference) SetPosition(p *position.Position) { n.Position = p } // GetPosition returns node positions func (n *Reference) GetPosition() *position.Position { return n.Position } func (n *Reference) GetMeta() *meta.Collection { return &n.Meta } // 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) } if n.Expression != nil { v.EnterChildNode("Expression", n) n.Expression.Walk(v) v.LeaveChildNode("Expression", n) } v.LeaveNode(n) }