private IEnumerable <MemberMetric> CalculateMemberMetrics(IEnumerable <MemberNode> nodes)
{
foreach (MemberNode memberNode in nodes)
{
SyntaxNode syntaxNode = memberNode.SyntaxNode;
MemberMetricKind memberMetricKind = MemberMetricsCalculator.GetMemberMetricKind(memberNode);
IHalsteadMetrics halsteadMetric = (new HalsteadAnalyzer()).Calculate(memberNode);
if (halsteadMetric == null)
{
continue;
}
MemberMetric memberMetric = new MemberMetric()
{
Name = memberNode.DisplayName,
CodeFile = memberNode.CodeFile,
LineNumber = memberNode.LineNumber,
Halstead = halsteadMetric,
Kind = memberMetricKind
};
MemberMetric memberMetric1 = memberMetric;
foreach (Func <MemberNode, MetricResult> action in memberNodeActions)
{
memberMetric.AddMetricResult(action(memberNode));
}
foreach (Func <SyntaxNode, MetricResult> action in syntaxNodeActions)
{
memberMetric.AddMetricResult(action(syntaxNode));
}
memberMetric.AddMetricResult(CalculateMaintainablityIndex(halsteadMetric, memberMetric));
//memberMetric.AddMetricResult(CalculateNumberOfDeliveredBugs(halsteadMetric));
yield return(memberMetric);
}
}
private MetricResult CalculateMaintainablityIndex(IHalsteadMetrics halsteadMetrics, MemberMetric metric)
{
double linesOfCode = metric.GetMetricsByName(MetricNames.LinesOfCode).Value.Value;
double cyclomatic = metric.GetMetricsByName(MetricNames.CyclomaticComplexity).Value.Value;
double num1 = 1;
if (linesOfCode == 0)
{
num1 = 100;
}
else
{
double?volume = halsteadMetrics.GetVolume();
double num = 1;
if (volume.HasValue)
{
num = Math.Log(volume.Value);
}
num1 = (171 - 5.2 * num - 0.23 * cyclomatic - 16.2 * Math.Log(linesOfCode)) * 100 / 171;
}
return(new MetricResult
{
Name = MetricNames.MaintainabilityIndex,
Value = Math.Round(Math.Max(0, num1))
});
}
