php-parser/node/expr/n_array_item.go

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package expr
import (
"github.com/z7zmey/php-parser/meta"
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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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// ArrayItem node
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type ArrayItem struct {
Meta []meta.Meta
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Position *position.Position
Key node.Node
Val node.Node
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}
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// NewArrayItem node constructor
func NewArrayItem(Key node.Node, Val node.Node) *ArrayItem {
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return &ArrayItem{
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Key: Key,
Val: Val,
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}
}
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// SetPosition sets node position
func (n *ArrayItem) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *ArrayItem) GetPosition() *position.Position {
return n.Position
}
func (n *ArrayItem) AddMeta(m []meta.Meta) {
n.Meta = append(n.Meta, m...)
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}
func (n *ArrayItem) GetMeta() []meta.Meta {
return n.Meta
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}
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// Attributes returns node attributes as map
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func (n *ArrayItem) Attributes() map[string]interface{} {
return nil
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}
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// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
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func (n *ArrayItem) Walk(v walker.Visitor) {
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if v.EnterNode(n) == false {
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return
}
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if n.Key != nil {
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v.EnterChildNode("Key", n)
n.Key.Walk(v)
v.LeaveChildNode("Key", n)
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}
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if n.Val != nil {
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v.EnterChildNode("Val", n)
n.Val.Walk(v)
v.LeaveChildNode("Val", n)
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}
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v.LeaveNode(n)
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}