nswrap/ast/unused_attr.go
2019-04-09 11:52:21 -04:00

48 lines
1.2 KiB
Go

package ast
// UnusedAttr is a type of attribute that is optionally attached to a variable
// or struct field definition.
type UnusedAttr struct {
Addr Address
Pos Position
ChildNodes []Node
IsUnused bool
}
func parseUnusedAttr(line string) *UnusedAttr {
groups := groupsFromRegex(
"<(?P<position>.*)>(?P<unused> unused)?",
line,
)
return &UnusedAttr{
Addr: ParseAddress(groups["address"]),
Pos: NewPositionFromString(groups["position"]),
ChildNodes: []Node{},
IsUnused: len(groups["unused"]) > 0,
}
}
// AddChild adds a new child node. Child nodes can then be accessed with the
// Children attribute.
func (n *UnusedAttr) 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 *UnusedAttr) 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 *UnusedAttr) Children() []Node {
return n.ChildNodes
}
// Position returns the position in the original source code.
func (n *UnusedAttr) Position() Position {
return n.Pos
}