php-parser/node/expr/n_pre_dec.go

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package expr
import (
"github.com/z7zmey/php-parser/freefloating"
"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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// PreDec node
type PreDec struct {
FreeFloating freefloating.Collection
Position *position.Position
Variable node.Node
}
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// NewPreDec node constructor
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func NewPreDec(Variable node.Node) *PreDec {
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return &PreDec{
FreeFloating: nil,
Variable: Variable,
}
}
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// SetPosition sets node position
func (n *PreDec) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *PreDec) GetPosition() *position.Position {
return n.Position
}
func (n *PreDec) GetFreeFloating() *freefloating.Collection {
return &n.FreeFloating
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}
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// Attributes returns node attributes as map
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func (n *PreDec) Attributes() map[string]interface{} {
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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 *PreDec) Walk(v walker.Visitor) {
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if v.EnterNode(n) == false {
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return
}
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if n.Variable != nil {
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v.EnterChildNode("Variable", n)
n.Variable.Walk(v)
v.LeaveChildNode("Variable", n)
}
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v.LeaveNode(n)
}