php-parser/node/n_parameter.go

80 lines
1.7 KiB
Go

package node
import (
"github.com/z7zmey/php-parser/meta"
"github.com/z7zmey/php-parser/position"
"github.com/z7zmey/php-parser/walker"
)
// Parameter node
type Parameter struct {
Meta meta.Collection
Position *position.Position
ByRef bool
Variadic bool
VariableType Node
Variable Node
DefaultValue Node
}
// NewParameter node constructor
func NewParameter(VariableType Node, Variable Node, DefaultValue Node, ByRef bool, Variadic bool) *Parameter {
return &Parameter{
ByRef: ByRef,
Variadic: Variadic,
VariableType: VariableType,
Variable: Variable,
DefaultValue: DefaultValue,
}
}
// SetPosition sets node position
func (n *Parameter) SetPosition(p *position.Position) {
n.Position = p
}
// GetPosition returns node positions
func (n *Parameter) GetPosition() *position.Position {
return n.Position
}
func (n *Parameter) GetMeta() *meta.Collection {
return &n.Meta
}
// Attributes returns node attributes as map
func (n *Parameter) Attributes() map[string]interface{} {
return map[string]interface{}{
"ByRef": n.ByRef,
"Variadic": n.Variadic,
}
}
// Walk traverses nodes
// Walk is invoked recursively until v.EnterNode returns true
func (n *Parameter) Walk(v walker.Visitor) {
if v.EnterNode(n) == false {
return
}
if n.VariableType != nil {
v.EnterChildNode("VariableType", n)
n.VariableType.Walk(v)
v.LeaveChildNode("VariableType", n)
}
if n.Variable != nil {
v.EnterChildNode("Variable", n)
n.Variable.Walk(v)
v.LeaveChildNode("Variable", n)
}
if n.DefaultValue != nil {
v.EnterChildNode("DefaultValue", n)
n.DefaultValue.Walk(v)
v.LeaveChildNode("DefaultValue", n)
}
v.LeaveNode(n)
}