| public DifferenceNotProperlyContained ( Antlr4 other ) : Antlr4.Runtime.Misc.Interval? | ||
| other | Antlr4 | |
| return | Antlr4.Runtime.Misc.Interval? | |
public Antlr4.Runtime.Misc.Interval? DifferenceNotProperlyContained(Antlr4.Runtime.Misc.Interval other)
{
Antlr4.Runtime.Misc.Interval? diff = null;
// other.a to left of this.a (or same)
if (other.StartsBeforeNonDisjoint(this))
{
diff = Antlr4.Runtime.Misc.Interval.Of(Math.Max(this.a, other.b + 1), this.b);
}
else
{
// other.a to right of this.a
if (other.StartsAfterNonDisjoint(this))
{
diff = Antlr4.Runtime.Misc.Interval.Of(this.a, other.a - 1);
}
}
return diff;
}