/// <summary>
/// Determines whether the integer literal node is a literal value that overflows/underflows a 32 bit integer.
/// </summary>
/// <param name="node">The integer literal node to test.</param>
/// <param name="negated">Whether or not the node is negated.</param>
/// <returns><see cref="LSLLiteralOverflowType"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="node"/> is <c>null</c>.</exception>
public static LSLLiteralOverflowType CheckForOverflow(this ILSLIntegerLiteralNode node, bool negated)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
long val;
try
{
val = Convert.ToInt64(node.RawText);
}
catch (OverflowException)
{
return(LSLLiteralOverflowType.Overflow);
}
if (negated && val > 2147483648)
{
return(LSLLiteralOverflowType.Underflow);
}
if (!negated && val > 2147483647)
{
return(LSLLiteralOverflowType.Overflow);
}
return(LSLLiteralOverflowType.None);
}
/// <summary>
/// Determines whether the integer literal node is a literal value that overflows/underflows a 32 bit integer. <para/>
/// Whether or not the node is negated is determined with <see cref="LSLExprNodeExtensions.IsNegated"/>.
/// </summary>
/// <param name="node">The integer literal node to test.</param>
/// <returns><see cref="LSLLiteralOverflowType"/>.</returns>
/// <exception cref="ArgumentNullException"><paramref name="node"/> is <c>null</c>.</exception>
public static LSLLiteralOverflowType CheckForOverflow(this ILSLIntegerLiteralNode node)
{
if (node == null)
{
throw new ArgumentNullException("node");
}
return(CheckForOverflow(node, node.IsNegated()));
}
/// <summary>
/// Visits an integer literal token node during a syntax tree traversal.
/// </summary>
/// <param name="node">The Syntax Tree Node.</param>
/// <returns>An object of type (T) from the visitor implementation of this function.</returns>
public virtual T VisitIntegerLiteral(ILSLIntegerLiteralNode node)
{
return(default(T));
}
