php-parser/node/expr/n_yield.go

66 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"
)
// Yield node
type Yield struct {
Meta meta.Collection
Position *position.Position
Key node.Node
Value node.Node
}
// NewYield node constructor
func NewYield(Key node.Node, Value node.Node) *Yield {
return &Yield{
Key: Key,
Value: Value,
}
}
// SetPosition sets node position
func (n *Yield) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Yield) GetPosition() *position.Position {
return n.Position
}
func (n *Yield) GetMeta() *meta.Collection {
return &n.Meta
}
// Attributes returns node attributes as map
func (n *Yield) Attributes() map[string]interface{} {
return nil
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *Yield) Walk(v walker.Visitor) {
if v.EnterNode(n) == false {
return
}
if n.Key != nil {
v.EnterChildNode("Key", n)
n.Key.Walk(v)
v.LeaveChildNode("Key", n)
}
if n.Value != nil {
v.EnterChildNode("Value", n)
n.Value.Walk(v)
v.LeaveChildNode("Value", n)
}
v.LeaveNode(n)
}