public override double VisitAdditiveExpression([NotNull] HelloParser.AdditiveExpressionContext context)
{
double startAdd = VisitMultiplicativeExpression(context.multiplicativeExpression()[0]);
for (int i = 1; i < context.multiplicativeExpression().Length; i++)
{
switch (context.addOperator()[i - 1].Start.Text)
{
case "+":
startAdd += VisitMultiplicativeExpression(context.multiplicativeExpression()[i]);
break;
case "-":
startAdd -= VisitMultiplicativeExpression(context.multiplicativeExpression()[i]);
break;
}
}
return(startAdd);
}
/// <summary>
/// Exit a parse tree produced by <see cref="HelloParser.additiveExpression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitAdditiveExpression([NotNull] HelloParser.AdditiveExpressionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="HelloParser.additiveExpression"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitAdditiveExpression([NotNull] HelloParser.AdditiveExpressionContext context)
{
return(VisitChildren(context));
}
