public override Value VisitIs_error(calculatorParser.Is_errorContext context)
{
Value ret = Visit(context.expr());
if (ret.isDouble())
{
return(new Value(false)); //value is double and so not an error
}
else
{
return(new Value(true)); //value is
}
}
/// <summary>
/// Visit a parse tree produced by <see cref="calculatorParser.is_error"/>.
/// <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 VisitIs_error([NotNull] calculatorParser.Is_errorContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="calculatorParser.is_error"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitIs_error([NotNull] calculatorParser.Is_errorContext context)
{
}