state property Null safety
override
The scanner's state, including line and column information.
This can be used to efficiently save and restore the state of the scanner when backtracking. A given LineScannerState is only valid for the LineScanner that created it.
This does not include the scanner's match information.
Implementation
@override
LineScannerState get state => _SpanScannerState(this, position);
override
Implementation
@override
set state(LineScannerState state) {
if (state is! _SpanScannerState || !identical(state._scanner, this)) {
throw ArgumentError('The given LineScannerState was not returned by '
'this LineScanner.');
}
position = state.position;
}