php-parser/node/expr/n_reference.go

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package expr
import (
"github.com/z7zmey/php-parser/freefloating"
"github.com/z7zmey/php-parser/node"
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"github.com/z7zmey/php-parser/position"
"github.com/z7zmey/php-parser/walker"
)
// Reference node
type Reference struct {
FreeFloating freefloating.Collection
Position *position.Position
Variable node.Node
}
// NewReference node constructor
func NewReference(Variable node.Node) *Reference {
return &Reference{
FreeFloating: nil,
Variable: Variable,
}
}
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// 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) GetFreeFloating() *freefloating.Collection {
return &n.FreeFloating
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}
// 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 {
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v.EnterChildNode("Variable", n)
n.Variable.Walk(v)
v.LeaveChildNode("Variable", n)
}
v.LeaveNode(n)
}