public override Expression VisitNumericAtom([NotNull] ExpressionAntlrParser.NumericAtomContext context)
{
if (int.TryParse(context.GetText(), out var intValue))
{
return(Expression.ConstantExpression(intValue));
}
if (double.TryParse(context.GetText(), NumberStyles.Any, CultureInfo.InvariantCulture, out var doubleValue))
{
return(Expression.ConstantExpression(doubleValue));
}
throw new Exception($"{context.GetText()} is not a number in expression '{context.GetText()}'");
}
public override Expression VisitNumericAtom([NotNull] ExpressionAntlrParser.NumericAtomContext context)
{
var contextText = context.GetText();
if (int.TryParse(contextText, out var intValue))
{
return(Expression.ConstantExpression(intValue));
}
if (long.TryParse(contextText, out var longValue))
{
return(Expression.ConstantExpression(longValue));
}
if (double.TryParse(contextText, NumberStyles.Any, CultureInfo.InvariantCulture, out var doubleValue))
{
return(Expression.ConstantExpression(doubleValue));
}
throw new ArgumentException($"{contextText} is not a number in expression \"{contextText}\"");
}
/// <summary>
/// Exit a parse tree produced by the <c>numericAtom</c>
/// labeled alternative in <see cref="ExpressionAntlrParser.primaryExpression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitNumericAtom([NotNull] ExpressionAntlrParser.NumericAtomContext context)
{
}
/// <summary>
/// Visit a parse tree produced by the <c>numericAtom</c>
/// labeled alternative in <see cref="ExpressionAntlrParser.primaryExpression"/>.
/// <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 VisitNumericAtom([NotNull] ExpressionAntlrParser.NumericAtomContext context)
{
return(VisitChildren(context));
}
