php-parser/node/stmt/n_constant.go

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package stmt
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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// Constant node
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type Constant struct {
Meta meta.Collection
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Position *position.Position
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PhpDocComment string
ConstantName node.Node
Expr node.Node
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}
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// NewConstant node constructor
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func NewConstant(ConstantName node.Node, Expr node.Node, PhpDocComment string) *Constant {
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return &Constant{
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PhpDocComment: PhpDocComment,
ConstantName: ConstantName,
Expr: Expr,
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}
}
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// SetPosition sets node position
func (n *Constant) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Constant) GetPosition() *position.Position {
return n.Position
}
func (n *Constant) GetMeta() *meta.Collection {
return &n.Meta
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}
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// Attributes returns node attributes as map
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func (n *Constant) Attributes() map[string]interface{} {
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return map[string]interface{}{
"PhpDocComment": n.PhpDocComment,
}
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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 *Constant) Walk(v walker.Visitor) {
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if v.EnterNode(n) == false {
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return
}
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if n.ConstantName != nil {
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v.EnterChildNode("ConstantName", n)
n.ConstantName.Walk(v)
v.LeaveChildNode("ConstantName", n)
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}
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if n.Expr != nil {
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v.EnterChildNode("Expr", n)
n.Expr.Walk(v)
v.LeaveChildNode("Expr", n)
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}
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v.LeaveNode(n)
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}