Greg
d8552bcf9d
config directives. Do not panic on failed regexp in AST parsing,
instead return &ast.Unknown{} for further debugging. Add debutast:
directive to print context when AST nodes are not recognized.
73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
package ast
|
|
|
|
// AvailabilityAttr is a type of attribute that is optionally attached to a variable
|
|
// or struct field definition.
|
|
type AvailabilityAttr struct {
|
|
Addr Address
|
|
Pos Position
|
|
OS string
|
|
Version string
|
|
Unknown1 string
|
|
Unknown2 string
|
|
IsUnavailable bool
|
|
Message1 string
|
|
Message2 string
|
|
IsInherited bool
|
|
ChildNodes []Node
|
|
}
|
|
|
|
func parseAvailabilityAttr(line string) Node {
|
|
groups := groupsFromRegex(
|
|
`<(?P<position>.*)>
|
|
(?P<inherited> Inherited)?
|
|
(?P<os>\w+)
|
|
(?P<version>[\d_.]+)
|
|
(?P<unknown1>[\d_.]+)
|
|
(?P<unknown2>[\d_.]+)
|
|
(?P<unavalable> Unavailable)?
|
|
"(?P<message1>.*?)"
|
|
(?P<message2> ".*?")?`,
|
|
line,
|
|
)
|
|
if groups == nil {
|
|
return &Unknown{}
|
|
}
|
|
|
|
return &AvailabilityAttr{
|
|
Addr: ParseAddress(groups["address"]),
|
|
Pos: NewPositionFromString(groups["position"]),
|
|
OS: groups["os"],
|
|
Version: groups["version"],
|
|
Unknown1: groups["unknown1"],
|
|
Unknown2: groups["unknown2"],
|
|
IsUnavailable: len(groups["unavalable"]) > 0,
|
|
Message1: removeQuotes(groups["message1"]),
|
|
Message2: removeQuotes(groups["message2"]),
|
|
IsInherited: len(groups["inherited"]) > 0,
|
|
ChildNodes: []Node{},
|
|
}
|
|
}
|
|
|
|
// AddChild adds a new child node. Child nodes can then be accessed with the
|
|
// Children attribute.
|
|
func (n *AvailabilityAttr) 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 *AvailabilityAttr) 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 *AvailabilityAttr) Children() []Node {
|
|
return n.ChildNodes
|
|
}
|
|
|
|
// Position returns the position in the original source code.
|
|
func (n *AvailabilityAttr) Position() Position {
|
|
return n.Pos
|
|
}
|