63 lines
1.2 KiB
Go
63 lines
1.2 KiB
Go
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package expr
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import (
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"github.com/z7zmey/php-parser/freefloating"
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"github.com/z7zmey/php-parser/node"
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"github.com/z7zmey/php-parser/position"
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"github.com/z7zmey/php-parser/walker"
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)
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// Isset node
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type Isset struct {
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FreeFloating freefloating.Collection
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Position *position.Position
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Variables []node.Node
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}
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// NewIsset node constructor
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func NewIsset(Variables []node.Node) *Isset {
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return &Isset{
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FreeFloating: nil,
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Variables: Variables,
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}
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}
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// SetPosition sets node position
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func (n *Isset) SetPosition(p *position.Position) {
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n.Position = p
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}
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// GetPosition returns node positions
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func (n *Isset) GetPosition() *position.Position {
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return n.Position
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}
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func (n *Isset) GetFreeFloating() *freefloating.Collection {
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return &n.FreeFloating
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}
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// Attributes returns node attributes as map
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func (n *Isset) 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 *Isset) 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.Variables != nil {
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v.EnterChildList("Variables", n)
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for _, nn := range n.Variables {
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if nn != nil {
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nn.Walk(v)
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}
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}
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v.LeaveChildList("Variables", n)
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}
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v.LeaveNode(n)
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}
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