nswrap/ast/warn_unused_result_attr.go

47 lines
1.3 KiB
Go

package ast
// WarnUnusedResultAttr is a type of attribute that is optionally attached to a variable
// or struct field definition.
type WarnUnusedResultAttr struct {
Addr Address
Pos Position
Text string
ChildNodes []Node
}
func parseWarnUnusedResultAttr(line string) Node {
groups := groupsFromRegex(`<(?P<position>.*)>( warn_unused_result)?( ".*")?`, line)
if groups == nil {
return &Unknown{}
}
return &WarnUnusedResultAttr{
Addr: ParseAddress(groups["address"]),
Pos: NewPositionFromString(groups["position"]),
ChildNodes: []Node{},
}
}
// AddChild adds a new child node. Child nodes can then be accessed with the
// Children attribute.
func (n *WarnUnusedResultAttr) 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 *WarnUnusedResultAttr) 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 *WarnUnusedResultAttr) Children() []Node {
return n.ChildNodes
}
// Position returns the position in the original source code.
func (n *WarnUnusedResultAttr) Position() Position {
return n.Pos
}