php-parser/node/expr/assign/n_shift_left.go
2018-06-19 22:56:52 +03:00

48 lines
903 B
Go

package assign
import (
"github.com/z7zmey/php-parser/node"
"github.com/z7zmey/php-parser/walker"
)
// ShiftLeft node
type ShiftLeft struct {
Variable node.Node
Expression node.Node
}
// NewShiftLeft node constructor
func NewShiftLeft(Variable node.Node, Expression node.Node) *ShiftLeft {
return &ShiftLeft{
Variable,
Expression,
}
}
// Attributes returns node attributes as map
func (n *ShiftLeft) Attributes() map[string]interface{} {
return nil
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *ShiftLeft) 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)
}
if n.Expression != nil {
v.EnterChildNode("Expression", n)
n.Expression.Walk(v)
v.LeaveChildNode("Expression", n)
}
v.LeaveNode(n)
}