php-parser/node/expr/n_closure.go

100 lines
2.1 KiB
Go

package expr
import (
"github.com/z7zmey/php-parser/meta"
"github.com/z7zmey/php-parser/node"
"github.com/z7zmey/php-parser/position"
"github.com/z7zmey/php-parser/walker"
)
// Closure node
type Closure struct {
Meta meta.Collection
Position *position.Position
ReturnsRef bool
Static bool
PhpDocComment string
Params []node.Node
ClosureUse *ClosureUse
ReturnType node.Node
Stmts []node.Node
}
// NewClosure node constructor
func NewClosure(Params []node.Node, ClosureUse *ClosureUse, ReturnType node.Node, Stmts []node.Node, Static bool, ReturnsRef bool, PhpDocComment string) *Closure {
return &Closure{
ReturnsRef: ReturnsRef,
Static: Static,
PhpDocComment: PhpDocComment,
Params: Params,
ClosureUse: ClosureUse,
ReturnType: ReturnType,
Stmts: Stmts,
}
}
// 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) GetMeta() *meta.Collection {
return &n.Meta
}
// Attributes returns node attributes as map
func (n *Closure) Attributes() map[string]interface{} {
return map[string]interface{}{
"ReturnsRef": n.ReturnsRef,
"Static": n.Static,
"PhpDocComment": n.PhpDocComment,
}
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *Closure) Walk(v walker.Visitor) {
if v.EnterNode(n) == false {
return
}
if n.Params != nil {
v.EnterChildList("Params", n)
for _, nn := range n.Params {
if nn != nil {
nn.Walk(v)
}
}
v.LeaveChildList("Params", n)
}
if n.ClosureUse != nil {
v.EnterChildNode("ClosureUse", n)
n.ClosureUse.Walk(v)
v.LeaveChildNode("ClosureUse", n)
}
if n.ReturnType != nil {
v.EnterChildNode("ReturnType", n)
n.ReturnType.Walk(v)
v.LeaveChildNode("ReturnType", n)
}
if n.Stmts != nil {
v.EnterChildList("Stmts", n)
for _, nn := range n.Stmts {
if nn != nil {
nn.Walk(v)
}
}
v.LeaveChildList("Stmts", n)
}
v.LeaveNode(n)
}