public override double VisitVAR([NotNull] CalcParser.VARContext context)
{
string varName = context.ID().GetText();
Variable[] v = (from variable in this.variables where (variable.Name == varName) select variable).ToArray <Variable>();
if (v.Count <Variable>() != 0)
{
return(v[0].Value);
}
else
{
Console.WriteLine("{0} is not defined.", varName);
return(0f);
}
}
/// <summary>
/// Exit a parse tree produced by the <c>VAR</c>
/// labeled alternative in <see cref="CalcParser.factor"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitVAR([NotNull] CalcParser.VARContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>VAR</c>
/// labeled alternative in <see cref="CalcParser.factor"/>.
/// <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 VisitVAR([NotNull] CalcParser.VARContext context)
{
return(VisitChildren(context));
}
