private async Task <LoopPerformanceInfo> VisitLoopAsync(SyntaxNode loopSyntax, MethodPerformanceInfo methodPerformanceInfo)
{
var invocationExpressionSyntaxsInLoop = loopSyntax.DescendantNodes(node => true).OfType <InvocationExpressionSyntax>();
var loopInvocationsList = new List <MethodPerformanceInfo>();
foreach (var invocationExpressionSyntax in invocationExpressionSyntaxsInLoop)
{
var invokedMethodSymbol = _semanticModel.GetSymbolInfo(invocationExpressionSyntax).Symbol as IMethodSymbol;
// Only Drawing invocationSymbols that refer to the current assembly. Not drawing Information about other assemblies...
if (invokedMethodSymbol == null || !Equals(_semanticModel.Compilation.Assembly, invokedMethodSymbol.ContainingAssembly))
{
continue;
}
var invocationPerformanceInfo = await _telemetryDataMapper.GetMethodPerformanceInfoAsync(invokedMethodSymbol).ConfigureAwait(false);
loopInvocationsList.Add(invocationPerformanceInfo);
}
var loopPerformanceInfo = new LoopPerformanceInfo(_predictionEngine, methodPerformanceInfo, loopInvocationsList);
var derivedLoopIterations = TryGetLoopIterationsFromCodeFlow(loopSyntax);
if (derivedLoopIterations != 0)
{
loopPerformanceInfo.PredictedLoopIterations = derivedLoopIterations;
}
PerformanceTags.Add(loopSyntax, new LoopPerformanceTag(loopPerformanceInfo));
return(loopPerformanceInfo);
}
public async Task VisitMethodDeclarationAsync(MethodDeclarationSyntax methodDeclarationSyntax)
{
var methodSymbol = _semanticModel.GetDeclaredSymbol(methodDeclarationSyntax);
if (methodSymbol == null)
{
return;
}
var methodPerformanceInfo = await _telemetryDataMapper.GetMethodPerformanceInfoAsync(methodSymbol).ConfigureAwait(false);
if (methodPerformanceInfo == null)
{
return;
}
// TODO RR: var syntaxReference = methodSymbol.DeclaringSyntaxReferences
// syntaxReference.GetSyntax(context.CancellationToken);
// Invocations in Method
IList <MethodPerformanceInfo> invocationsList = new List <MethodPerformanceInfo>();
var invocationExpressionSyntaxs = methodDeclarationSyntax.DescendantNodes(node => true).OfType <InvocationExpressionSyntax>();
foreach (var invocationExpressionSyntax in invocationExpressionSyntaxs)
{
var invocationsTuple = await VisitInvocationAsync(invocationExpressionSyntax).ConfigureAwait(false);
if (invocationsTuple != null)
{
invocationsList.Add(invocationsTuple);
}
}
methodPerformanceInfo.UpdateCallees(invocationsList);
// Loops
// TODO RR: Clean and only Iterate once...
var loopSyntaxs = methodDeclarationSyntax.DescendantNodes(node => true).Where(n => n.IsLoopSyntax());
var loopPerformanceInfos = new List <LoopPerformanceInfo>();
foreach (var loopSyntax in loopSyntaxs)
{
loopPerformanceInfos.Add(await VisitLoopAsync(loopSyntax, methodPerformanceInfo).ConfigureAwait(false));
}
methodPerformanceInfo.UpdateLoops(loopPerformanceInfos);
// TODO RR: Problem with textchanges: Insertions aren't recognized as change, since the space did not exist before...
methodPerformanceInfo.HasChanged = methodDeclarationSyntax.HasTextChanges(TreeChanges);
if (methodPerformanceInfo.HasChanged)
{
methodPerformanceInfo.PredictExecutionTime();
}
PerformanceTags.Add(methodDeclarationSyntax, new MethodPerformanceTag(methodPerformanceInfo));
// TODO RR: all References:
//var referencesToMethod = await SymbolFinder.FindCallersAsync(methodSymbol, _document.Project.Solution).ConfigureAwait(false);
}
// ReSharper disable once SuggestBaseTypeForParameter
private async Task <MethodPerformanceInfo> VisitInvocationAsync(InvocationExpressionSyntax invocationExpressionSyntax)
{
var invokedMethodSymbol = _semanticModel.GetSymbolInfo(invocationExpressionSyntax).Symbol as IMethodSymbol;
// Only Drawing invocationSymbols that refer to the current assembly. Not drawing Information about other assemblies...
if (invokedMethodSymbol == null || !Equals(_semanticModel.Compilation.Assembly, invokedMethodSymbol.ContainingAssembly))
{
return(null);
}
var invocationPerformanceInfo = await _telemetryDataMapper.GetMethodPerformanceInfoAsync(invokedMethodSymbol).ConfigureAwait(false);
if (invocationPerformanceInfo != null)
{
PerformanceTags.Add(invocationExpressionSyntax, new MethodInvocationPerformanceTag(invocationPerformanceInfo));
}
return(invocationPerformanceInfo);
}
