php-parser/node/expr/n_reference.go

62 lines
1.2 KiB
Go

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"
)
// Reference node
type Reference struct {
Meta []meta.Meta
Position *position.Position
Variable node.Node
}
// NewReference node constructor
func NewReference(Variable node.Node) *Reference {
return &Reference{
Variable: Variable,
}
}
// 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) AddMeta(m []meta.Meta) {
n.Meta = append(n.Meta, m...)
}
func (n *Reference) GetMeta() []meta.Meta {
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)
}
v.LeaveNode(n)
}