public override int VisitAddSub(EvaluatorParser.AddSubContext context)
{
int i0 = Visit(context.expr(0));
int i1 = Visit(context.expr(1));
if (context.op.Type == EvaluatorParser.PLUS)
{
return(i0 + i1);
}
return(i0 - i1);
}
/// <summary>
/// Visit a parse tree produced by the <c>AddSub</c>
/// labeled alternative in <see cref="EvaluatorParser.expr"/>.
/// <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 VisitAddSub([NotNull] EvaluatorParser.AddSubContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>AddSub</c>
/// labeled alternative in <see cref="EvaluatorParser.expr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitAddSub([NotNull] EvaluatorParser.AddSubContext context)
{
}
