php-parser/node/expr/n_isset.go

43 lines
722 B
Go

package expr
import (
"github.com/z7zmey/php-parser/node"
"github.com/z7zmey/php-parser/walker"
)
// Isset node
type Isset struct {
Variables []node.Node
}
// NewIsset node constuctor
func NewIsset(Variables []node.Node) *Isset {
return &Isset{
Variables,
}
}
// 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 {
vv := v.GetChildrenVisitor("Variables")
for _, nn := range n.Variables {
if nn != nil {
nn.Walk(vv)
}
}
}
v.LeaveNode(n)
}