php-parser/node/expr/empty.go
2017-12-29 17:53:13 +02:00

41 lines
589 B
Go

package expr
import (
"github.com/z7zmey/php-parser/node"
)
type Empty struct {
name string
attributes map[string]interface{}
expr node.Node
}
func NewEmpty(expression node.Node) node.Node {
return Empty{
"Empty",
map[string]interface{}{},
expression,
}
}
func (n Empty) Name() string {
return "Empty"
}
func (n Empty) Attributes() map[string]interface{} {
return n.attributes
}
func (n Empty) Walk(v node.Visitor) {
if v.EnterNode(n) == false {
return
}
if n.expr != nil {
vv := v.GetChildrenVisitor("expr")
n.expr.Walk(vv)
}
v.LeaveNode(n)
}