| public static GetCaptureIdentifier ( LNode pattern, bool identifierRequired = true ) : LNode | ||
| pattern | LNode | |
| identifierRequired | bool | |
| return | LNode | |
public static LNode GetCaptureIdentifier(LNode pattern, bool identifierRequired = true)
{
if (pattern.Calls(S.Substitute, 1)) {
var arg = pattern.Args.Last;
if (arg.Calls(S.DotDot, 1) || arg.Calls(S.DotDotDot, 1))
arg = arg.Args[0];
if (arg.IsId || !identifierRequired)
return arg;
}
return null;
}