/// <summary>
/// Initializes a new instance of the <see cref="ConstantRange"/> class.
/// </summary>
/// <param name="minimum">The minimum value in the range.</param>
/// <param name="maximum">The maximum value in the range.</param>
public ConstantRange(IOrderedLanguageConstant minimum, IOrderedLanguageConstant maximum)
{
Minimum = minimum;
Maximum = maximum;
#if COVERAGE
Debug.Assert(Minimum == minimum);
Debug.Assert(Maximum == maximum);
#endif
}
/// <summary>
/// Tries to parse an expression as a constant number.
/// </summary>
/// <param name="expression">The expression to parse.</param>
/// <param name="expressionConstant">The parsed constant upon return if successful.</param>
/// <param name="error">Error found on failure.</param>
/// <returns>True if the expression could be parsed as a constant; Otherwise, false.</returns>
public static bool TryParseExpression(IExpression expression, out IOrderedLanguageConstant expressionConstant, out IError error)
{
expressionConstant = null;
error = null;
bool Result = false;
if (expression.ExpressionConstant.IsAssigned && expression.ExpressionConstant.Item is IOrderedLanguageConstant AsOrderedLanguageConstant)
{
expressionConstant = AsOrderedLanguageConstant;
Result = true;
}
else
{
error = new ErrorNumberConstantExpected(expression);
}
return(Result);
}
/// <summary>
/// Checks if this instance is greater than another constant.
/// </summary>
/// <param name="other">The other instance.</param>
public virtual bool IsConstantGreater(IOrderedLanguageConstant other)
{
return(IsConstantGreater(other as INumberLanguageConstant));
}
