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