public override Result VisitAdditiveExpression([NotNull] OclParser.AdditiveExpressionContext context)
{
if (context.addOperator() == null || context.addOperator().Length == 0)
{
return(this.VisitMultiplicativeExpression(context.multiplicativeExpression()[0]));
}
var startAdd = this.VisitMultiplicativeExpression(context.multiplicativeExpression()[0]);
for (int i = 1; i < context.multiplicativeExpression().Length; i++)
{
switch (context.addOperator()[i - 1].Start.Text)
{
case "+":
startAdd = startAdd.Add(this.VisitMultiplicativeExpression(context.multiplicativeExpression()[i]));
break;
case "-":
startAdd = startAdd.Add(this.VisitMultiplicativeExpression(context.multiplicativeExpression()[i]).Not());
break;
}
}
return(startAdd);
}
