php-parser/node/expr/cast/n_cast_unset.go
2018-06-26 00:07:02 +03:00

65 lines
1.2 KiB
Go

package cast
import (
"github.com/z7zmey/php-parser/comment"
"github.com/z7zmey/php-parser/node"
"github.com/z7zmey/php-parser/position"
"github.com/z7zmey/php-parser/walker"
)
// Unset node
type Unset struct {
Comments []*comment.Comment
Position *position.Position
Expr node.Node
}
// NewUnset node constructor
func NewUnset(Expr node.Node) *Unset {
return &Unset{
Expr: Expr,
}
}
// SetPosition sets node position
func (n *Unset) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Unset) GetPosition() *position.Position {
return n.Position
}
func (n *Unset) AddComments(cc []*comment.Comment, tn comment.TokenName) {
for _, c := range cc {
c.SetTokenName(tn)
}
n.Comments = append(n.Comments, cc...)
}
func (n *Unset) GetComments() []*comment.Comment {
return n.Comments
}
// Attributes returns node attributes as map
func (n *Unset) Attributes() map[string]interface{} {
return nil
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *Unset) Walk(v walker.Visitor) {
if v.EnterNode(n) == false {
return
}
if n.Expr != nil {
v.EnterChildNode("Expr", n)
n.Expr.Walk(v)
v.LeaveChildNode("Expr", n)
}
v.LeaveNode(n)
}