nswrap/ast/unavailable_attr.go

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package ast
import (
"strings"
)
// UnavailableAttr is node represents an unavailable attribute.
type UnavailableAttr struct {
Addr Address
Pos Position
Position2 string
Content string
ChildNodes []Node
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}
func parseUnavailableAttr(line string) Node {
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groups := groupsFromRegex(
`(?:prev (?P<prev>0x[0-9a-f]+) )?
<(?P<position><invalid sloc>|.*?)>
(?P<position2> <invalid sloc>| col:\d+| line:\d+:\d+)?
(?P<content>.*)`,
line,
)
if groups == nil {
return &Unknown{}
}
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return &UnavailableAttr{
Addr: ParseAddress(groups["address"]),
Pos: NewPositionFromString(groups["position"]),
//Position2: strings.TrimSpace(groups["position2"]),
Content: strings.TrimSpace(groups["content"]),
ChildNodes: []Node{},
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}
}
// AddChild adds a new child node. Child nodes can then be accessed with the
// Children attribute.
func (n *UnavailableAttr) AddChild(node Node) {
n.ChildNodes = append(n.ChildNodes, node)
}
// Address returns the numeric address of the node. See the documentation for
// the Address type for more information.
func (n *UnavailableAttr) Address() Address {
return n.Addr
}
// Children returns the child nodes. If this node does not have any children or
// this node does not support children it will always return an empty slice.
func (n *UnavailableAttr) Children() []Node {
return n.ChildNodes
}
// Position returns the position in the original source code.
func (n *UnavailableAttr) Position() Position {
return n.Pos
}