php-parser/node/expr/assign/n_minus.go
2019-02-25 15:01:57 +02:00

67 lines
1.4 KiB
Go

package assign
import (
"github.com/z7zmey/php-parser/freefloating"
"github.com/z7zmey/php-parser/node"
"github.com/z7zmey/php-parser/position"
"github.com/z7zmey/php-parser/walker"
)
// Minus node
type Minus struct {
FreeFloating freefloating.Collection
Position *position.Position
Variable node.Node
Expression node.Node
}
// NewMinus node constructor
func NewMinus(Variable node.Node, Expression node.Node) *Minus {
return &Minus{
FreeFloating: nil,
Variable: Variable,
Expression: Expression,
}
}
// SetPosition sets node position
func (n *Minus) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Minus) GetPosition() *position.Position {
return n.Position
}
func (n *Minus) GetFreeFloating() *freefloating.Collection {
return &n.FreeFloating
}
// Attributes returns node attributes as map
func (n *Minus) Attributes() map[string]interface{} {
return nil
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *Minus) 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)
}