php-parser/node/expr/n_closure.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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// Closure node
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type Closure struct {
Meta []meta.Meta
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Position *position.Position
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ReturnsRef bool
Static bool
PhpDocComment string
Params []node.Node
ClosureUse *ClosureUse
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ReturnType node.Node
Stmts []node.Node
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}
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// NewClosure node constructor
func NewClosure(Params []node.Node, ClosureUse *ClosureUse, ReturnType node.Node, Stmts []node.Node, Static bool, ReturnsRef bool, PhpDocComment string) *Closure {
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return &Closure{
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ReturnsRef: ReturnsRef,
Static: Static,
PhpDocComment: PhpDocComment,
Params: Params,
ClosureUse: ClosureUse,
ReturnType: ReturnType,
Stmts: Stmts,
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}
}
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// SetPosition sets node position
func (n *Closure) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Closure) GetPosition() *position.Position {
return n.Position
}
func (n *Closure) AddMeta(m []meta.Meta) {
n.Meta = append(n.Meta, m...)
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}
func (n *Closure) 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 *Closure) Attributes() map[string]interface{} {
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return map[string]interface{}{
"ReturnsRef": n.ReturnsRef,
"Static": n.Static,
"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 *Closure) Walk(v walker.Visitor) {
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if v.EnterNode(n) == false {
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return
}
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if n.Params != nil {
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v.EnterChildList("Params", n)
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for _, nn := range n.Params {
if nn != nil {
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nn.Walk(v)
}
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}
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v.LeaveChildList("Params", n)
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}
if n.ClosureUse != nil {
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v.EnterChildNode("ClosureUse", n)
n.ClosureUse.Walk(v)
v.LeaveChildNode("ClosureUse", n)
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}
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if n.ReturnType != nil {
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v.EnterChildNode("ReturnType", n)
n.ReturnType.Walk(v)
v.LeaveChildNode("ReturnType", n)
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}
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if n.Stmts != nil {
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v.EnterChildList("Stmts", n)
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for _, nn := range n.Stmts {
if nn != nil {
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nn.Walk(v)
}
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}
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v.LeaveChildList("Stmts", n)
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}
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v.LeaveNode(n)
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}