public static DisposeAnalysisResult?TryGetOrComputeResult(
ControlFlowGraph cfg,
ISymbol owningSymbol,
WellKnownTypeProvider wellKnownTypeProvider,
AnalyzerOptions analyzerOptions,
DiagnosticDescriptor rule,
ImmutableHashSet <INamedTypeSymbol> disposeOwnershipTransferLikelyTypes,
bool trackInstanceFields,
bool exceptionPathsAnalysis,
CancellationToken cancellationToken,
out PointsToAnalysisResult?pointsToAnalysisResult,
InterproceduralAnalysisKind interproceduralAnalysisKind = InterproceduralAnalysisKind.ContextSensitive,
bool performCopyAnalysisIfNotUserConfigured = false,
InterproceduralAnalysisPredicate?interproceduralAnalysisPredicateOpt = null,
bool defaultDisposeOwnershipTransferAtConstructor = false,
bool defaultDisposeOwnershipTransferAtMethodCall = false)
{
Debug.Assert(!owningSymbol.IsConfiguredToSkipAnalysis(analyzerOptions, rule, wellKnownTypeProvider.Compilation, cancellationToken));
var interproceduralAnalysisConfig = InterproceduralAnalysisConfiguration.Create(
analyzerOptions, rule, interproceduralAnalysisKind, cancellationToken);
var disposeOwnershipTransferAtConstructor = analyzerOptions.GetDisposeOwnershipTransferAtConstructorOption(
rule, defaultValue: defaultDisposeOwnershipTransferAtConstructor, cancellationToken);
var disposeOwnershipTransferAtMethodCall = analyzerOptions.GetDisposeOwnershipTransferAtMethodCall(
rule, defaultValue: defaultDisposeOwnershipTransferAtMethodCall, cancellationToken);
return(TryGetOrComputeResult(cfg, owningSymbol, analyzerOptions, wellKnownTypeProvider,
interproceduralAnalysisConfig, interproceduralAnalysisPredicateOpt,
disposeOwnershipTransferLikelyTypes, disposeOwnershipTransferAtConstructor,
disposeOwnershipTransferAtMethodCall, trackInstanceFields, exceptionPathsAnalysis,
performCopyAnalysis: analyzerOptions.GetCopyAnalysisOption(rule, defaultValue: performCopyAnalysisIfNotUserConfigured, cancellationToken),
excludedSymbols: analyzerOptions.GetExcludedSymbolNamesOption(rule, wellKnownTypeProvider.Compilation, cancellationToken),
out pointsToAnalysisResult));
}
/// <summary>
/// Returns true if the given symbol has been configured to be excluded from analysis by options.
/// </summary>
public static bool IsConfiguredToSkipAnalysis(
this ISymbol symbol,
AnalyzerOptions options,
DiagnosticDescriptor rule,
Compilation compilation,
CancellationToken cancellationToken)
{
var excludedSymbols = options.GetExcludedSymbolNamesOption(rule, compilation, cancellationToken);
var excludedTypeNamesWithDerivedTypes = options.GetExcludedTypeNamesWithDerivedTypesOption(rule, compilation, cancellationToken);
if (excludedSymbols.IsEmpty && excludedTypeNamesWithDerivedTypes.IsEmpty)
{
return(false);
}
while (symbol != null)
{
if (excludedSymbols.Contains(symbol))
{
return(true);
}
if (symbol is INamedTypeSymbol namedType && !excludedTypeNamesWithDerivedTypes.IsEmpty)
{
foreach (var type in namedType.GetBaseTypesAndThis())
{
if (excludedTypeNamesWithDerivedTypes.Contains(type))
{
return(true);
}
}
}
symbol = symbol.ContainingSymbol;
}
return(false);
}