40 lines
668 B
Go
40 lines
668 B
Go
package expr
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import (
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"github.com/z7zmey/php-parser/node"
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"github.com/z7zmey/php-parser/walker"
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)
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// Empty node
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type Empty struct {
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Expr node.Node
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}
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// NewEmpty node constructor
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func NewEmpty(Expression node.Node) *Empty {
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return &Empty{
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Expression,
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}
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}
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// Attributes returns node attributes as map
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func (n *Empty) Attributes() map[string]interface{} {
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return nil
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}
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// Walk traverses nodes
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// Walk is invoked recursively until v.EnterNode returns true
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func (n *Empty) Walk(v walker.Visitor) {
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if v.EnterNode(n) == false {
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return
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}
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if n.Expr != nil {
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v.EnterChildNode("Expr", n)
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n.Expr.Walk(v)
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v.LeaveChildNode("Expr", n)
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}
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v.LeaveNode(n)
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}
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