public override void Process(AnalysisLayer layer, ref Analysis.Reporting.Analysis analysis)
{
// Create the report and the analysis layer to report on.
var report = new AnalysisReport();
report.Name = "Simplification Report";
// Perform various analysis operations.
ProcessFrequentExpressions(layer, report);
// Add our layers and report to the analysis result.
if (report.Issues.Count > 0)
{
layer.Reports.Add(report);
}
}
public abstract void Process(AnalysisLayer layer, ref Analysis.Reporting.Analysis analysis);
private void ProcessFrequentExpressions(AnalysisLayer layer, AnalysisReport report)
{
// Perform analysis.
var expressionTreeVisitor = new CalculateExpressionTreeVisitor();
layer.AstBuilder.CompilationUnit.AcceptVisitor(expressionTreeVisitor);
// If there are no counts of this being an issue, don't create
// an issue entry.
if (expressionTreeVisitor.UniqueNodes.Count(x => x.Value.Count >= this.WarningLimit) == 0)
{
return;
}
var minCounts = expressionTreeVisitor.UniqueNodes.Where(x => x.Value.Count >= this.WarningLimit).Min(x => x.Value.Count);
var maxCounts = expressionTreeVisitor.UniqueNodes.Where(x => x.Value.Count >= this.WarningLimit).Max(x => x.Value.Count);
if (maxCounts == 0)
{
return;
}
// Write out issue analysis.
var issue = new AnalysisIssue();
issue.ID = "W0001";
issue.Name = "Frequent expressions identified";
issue.Description = "The following frequent (occurring greater than " + this.WarningLimit + " times) expressions have been identified in the algorithm implementation.";
foreach (var kv in expressionTreeVisitor.UniqueNodes)
{
foreach (var node in kv.Value.AstNodes)
{
var startTrackingInfo = node.Annotations.Where(x => x is StartTrackingInfo).Cast <StartTrackingInfo>().FirstOrDefault();
var endTrackingInfo = node.Annotations.Where(x => x is EndTrackingInfo).Cast <EndTrackingInfo>().FirstOrDefault();
if (startTrackingInfo == null || endTrackingInfo == null)
{
continue;
}
if (kv.Value.Count < this.WarningLimit)
{
continue;
}
var location = new AnalysisLocationHighlight();
location.Start = startTrackingInfo.CharacterPosition;
location.End = endTrackingInfo.CharacterPosition;
if (this.GradientMode == WarningGradientMode.Relative)
{
if (maxCounts - Math.Max(this.WarningLimit, minCounts) == 0)
{
location.Importance = 100;
}
else
{
location.Importance = (int)Math.Round(
(kv.Value.Count - Math.Max(this.WarningLimit, minCounts)) /
(double)(maxCounts - Math.Max(this.WarningLimit, minCounts)) * 100);
}
}
else
{
var count = Math.Min(Math.Max(kv.Value.Count, this.WarningLimit), this.ErrorLimit);
location.Importance = (int)(((count - this.WarningLimit) / (double)(this.ErrorLimit - this.WarningLimit)) * 100);
}
location.Message = "Occurs " + kv.Value.Count + " times";
issue.Locations.Add(location);
}
}
issue.FlattenLocations();
if (issue.Locations.Count == 0)
{
return;
}
report.Issues.Add(issue);
}
