string VisitSubAlternation(TheParser.AlternationContext context)
{
var exprLeft = context.expression(0);
string left;
if (exprLeft is TheParser.AlternationContext el)
{
left = VisitSubAlternation(el);
}
else
{
left = Visit(exprLeft);
}
var exprRight = context.expression(1);
string right;
if (exprRight is TheParser.AlternationContext er)
{
right = VisitSubAlternation(er);
}
else
{
right = Visit(exprRight);
}
return(left + "|" + right);
}
public override string VisitAlternation([NotNull] TheParser.AlternationContext context)
{
return("(" + VisitSubAlternation(context) + ")");
}
