@Override
public ImmutableRangeSet<Integer> lookahead(Language lang) {
Frequency ff = lang.lali.consumesInput(first);
switch (ff) {
case NEVER:
return lang.lali.lookahead(second);
case ALWAYS:
return lang.lali.lookahead(first);
case SOMETIMES:
TreeRangeSet<Integer> r = TreeRangeSet.create();
r.addAll(lang.lali.lookahead(first));
r.addAll(lang.lali.lookahead(second));
return ImmutableRangeSet.copyOf(r);
}
throw new AssertionError(ff.name());
}
public FileToFormat(RangeSet<Integer> lineRanges, List<Integer> offsets, List<Integer> lengths) {
this.lineRanges = ImmutableRangeSet.copyOf(lineRanges);
this.offsets = ImmutableList.copyOf(offsets);
this.lengths = ImmutableList.copyOf(lengths);
}
