php-parser/node/stmt/n_expression.go

62 lines
1.2 KiB
Go

package stmt
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"
)
// Expression node
type Expression struct {
Meta []meta.Meta
Position *position.Position
Expr node.Node
}
// NewExpression node constructor
func NewExpression(Expr node.Node) *Expression {
return &Expression{
Expr: Expr,
}
}
// SetPosition sets node position
func (n *Expression) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Expression) GetPosition() *position.Position {
return n.Position
}
func (n *Expression) AddMeta(m []meta.Meta) {
n.Meta = append(n.Meta, m...)
}
func (n *Expression) GetMeta() []meta.Meta {
return n.Meta
}
// Attributes returns node attributes as map
func (n *Expression) Attributes() map[string]interface{} {
return nil
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *Expression) 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)
}