public static PropertySetAnalysisContext Create(
AbstractValueDomain <PropertySetAbstractValue> valueDomain,
WellKnownTypeProvider wellKnownTypeProvider,
ControlFlowGraph controlFlowGraph,
ISymbol owningSymbol,
InterproceduralAnalysisConfiguration interproceduralAnalysisConfig,
bool pessimisticAnalysis,
PointsToAnalysisResult pointsToAnalysisResult,
ValueContentAnalysisResult valueContentAnalysisResultOpt,
Func <PropertySetAnalysisContext, PropertySetAnalysisResult> getOrComputeAnalysisResult,
string typeToTrackMetadataName,
ConstructorMapper constructorMapper,
PropertyMapperCollection propertyMappers,
HazardousUsageEvaluatorCollection hazardousUsageEvaluators)
{
return(new PropertySetAnalysisContext(
valueDomain,
wellKnownTypeProvider,
controlFlowGraph,
owningSymbol,
interproceduralAnalysisConfig,
pessimisticAnalysis,
pointsToAnalysisResult,
valueContentAnalysisResultOpt,
getOrComputeAnalysisResult,
parentControlFlowGraphOpt: null,
interproceduralAnalysisDataOpt: null,
typeToTrackMetadataName: typeToTrackMetadataName,
constructorMapper: constructorMapper,
propertyMappers: propertyMappers,
hazardousUsageEvaluators: hazardousUsageEvaluators,
hazardousUsageTypesToNames: hazardousUsageEvaluators.GetTypeToNameMapping(wellKnownTypeProvider)));
}
#pragma warning disable CA1307 // Specify StringComparison - string.GetHashCode(StringComparison) not available in all projects that reference this shared project
protected override void ComputeHashCodePartsSpecific(ArrayBuilder <int> builder)
{
builder.Add(TypeToTrackMetadataName.GetHashCode());
builder.Add(ConstructorMapper.GetHashCode());
builder.Add(PropertyMappers.GetHashCode());
builder.Add(HazardousUsageEvaluators.GetHashCode());
}
public PropertySetAnalysisParameters(string typeToTrack, ConstructorMapper constructorMapper, PropertyMapperCollection propertyMapperCollection, HazardousUsageEvaluatorCollection hazardousUsageEvaluatorCollection)
{
TypeToTrack = typeToTrack ?? throw new ArgumentNullException(nameof(typeToTrack));
ConstructorMapper = constructorMapper ?? throw new ArgumentNullException(nameof(constructorMapper));
PropertyMapperCollection = propertyMapperCollection ?? throw new ArgumentNullException(nameof(propertyMapperCollection));
HazardousUsageEvaluatorCollection = hazardousUsageEvaluatorCollection ?? throw new ArgumentNullException(nameof(hazardousUsageEvaluatorCollection));
}
#pragma warning disable CA1307 // Specify StringComparison - string.GetHashCode(StringComparison) not available in all projects that reference this shared project
protected override void ComputeHashCodePartsSpecific(Action <int> addPart)
{
addPart(TypeToTrackMetadataName.GetHashCode());
addPart(ConstructorMapper.GetHashCode());
addPart(PropertyMappers.GetHashCode());
addPart(HazardousUsageEvaluators.GetHashCode());
}
public bool Equals(ConstructorMapper other)
{
return(other != null &&
this.MapFromValueContentAbstractValue == other.MapFromValueContentAbstractValue &&
this.MapFromPointsToAbstractValue == other.MapFromPointsToAbstractValue &&
this.PropertyAbstractValues == other.PropertyAbstractValues);
}
private PropertySetAnalysisContext(
AbstractValueDomain <PropertySetAbstractValue> valueDomain,
WellKnownTypeProvider wellKnownTypeProvider,
ControlFlowGraph controlFlowGraph,
ISymbol owningSymbol,
InterproceduralAnalysisConfiguration interproceduralAnalysisConfig,
bool pessimisticAnalysis,
PointsToAnalysisResult pointsToAnalysisResult,
ValueContentAnalysisResult valueContentAnalysisResultOpt,
Func <PropertySetAnalysisContext, PropertySetAnalysisResult> getOrComputeAnalysisResult,
ControlFlowGraph parentControlFlowGraphOpt,
InterproceduralPropertySetAnalysisData interproceduralAnalysisDataOpt,
string typeToTrackMetadataName,
ConstructorMapper constructorMapper,
PropertyMapperCollection propertyMappers,
HazardousUsageEvaluatorCollection hazardousUsageEvaluators,
ImmutableDictionary <INamedTypeSymbol, string> hazardousUsageTypesToNames)
: base(valueDomain, wellKnownTypeProvider, controlFlowGraph, owningSymbol, interproceduralAnalysisConfig, pessimisticAnalysis,
predicateAnalysis: false, exceptionPathsAnalysis: false, copyAnalysisResultOpt: null, pointsToAnalysisResult,
getOrComputeAnalysisResult, parentControlFlowGraphOpt, interproceduralAnalysisDataOpt, interproceduralAnalysisPredicateOpt: null)
{
this.ValueContentAnalysisResultOpt = valueContentAnalysisResultOpt;
this.TypeToTrackMetadataName = typeToTrackMetadataName;
this.ConstructorMapper = constructorMapper;
this.PropertyMappers = propertyMappers;
this.HazardousUsageEvaluators = hazardousUsageEvaluators;
this.HazardousUsageTypesToNames = hazardousUsageTypesToNames;
}
private PropertySetAnalysisContext(
AbstractValueDomain <PropertySetAbstractValue> valueDomain,
WellKnownTypeProvider wellKnownTypeProvider,
ControlFlowGraph controlFlowGraph,
ISymbol owningSymbol,
AnalyzerOptions analyzerOptions,
InterproceduralAnalysisConfiguration interproceduralAnalysisConfig,
bool pessimisticAnalysis,
PointsToAnalysisResult pointsToAnalysisResult,
ValueContentAnalysisResult valueContentAnalysisResultOpt,
Func <PropertySetAnalysisContext, PropertySetAnalysisResult> tryGetOrComputeAnalysisResult,
ControlFlowGraph parentControlFlowGraphOpt,
InterproceduralPropertySetAnalysisData interproceduralAnalysisDataOpt,
ImmutableHashSet <string> typeToTrackMetadataNames,
ConstructorMapper constructorMapper,
PropertyMapperCollection propertyMappers,
HazardousUsageEvaluatorCollection hazardousUsageEvaluators,
ImmutableDictionary <(INamedTypeSymbol, bool), string> hazardousUsageTypesToNames)
public override PropertySetAbstractValue VisitObjectCreation(IObjectCreationOperation operation, object?argument)
{
PropertySetAbstractValue abstractValue = base.VisitObjectCreation(operation, argument);
if (this.TrackedTypeSymbols.Any(s => operation.Type.GetBaseTypesAndThis().Contains(s)))
{
ConstructorMapper constructorMapper = this.DataFlowAnalysisContext.ConstructorMapper;
if (!constructorMapper.PropertyAbstractValues.IsEmpty)
{
abstractValue = PropertySetAbstractValue.GetInstance(constructorMapper.PropertyAbstractValues);
}
else if (constructorMapper.MapFromPointsToAbstractValue != null)
{
using ArrayBuilder <PointsToAbstractValue> builder = ArrayBuilder <PointsToAbstractValue> .GetInstance();
foreach (IArgumentOperation argumentOperation in operation.Arguments)
{
builder.Add(this.GetPointsToAbstractValue(argumentOperation));
}
abstractValue = constructorMapper.MapFromPointsToAbstractValue(operation.Constructor, builder);
}
else if (constructorMapper.MapFromValueContentAbstractValue != null)
{
Debug.Assert(this.DataFlowAnalysisContext.ValueContentAnalysisResult != null);
using ArrayBuilder <PointsToAbstractValue> pointsToBuilder = ArrayBuilder <PointsToAbstractValue> .GetInstance();
using ArrayBuilder <ValueContentAbstractValue> valueContentBuilder = ArrayBuilder <ValueContentAbstractValue> .GetInstance();
foreach (IArgumentOperation argumentOperation in operation.Arguments)
{
pointsToBuilder.Add(this.GetPointsToAbstractValue(argumentOperation));
valueContentBuilder.Add(this.GetValueContentAbstractValue(argumentOperation.Value));
}
abstractValue = constructorMapper.MapFromValueContentAbstractValue(operation.Constructor, valueContentBuilder, pointsToBuilder);
}
else
{
Debug.Fail("Unhandled ConstructorMapper");
return(abstractValue);
}
PointsToAbstractValue pointsToAbstractValue = this.GetPointsToAbstractValue(operation);
this.SetAbstractValue(pointsToAbstractValue, abstractValue);
}
else
{
if (TryFindNonTrackedTypeHazardousUsageEvaluator(
operation.Constructor,
operation.Arguments,
out HazardousUsageEvaluator? hazardousUsageEvaluator,
out IOperation? propertySetInstance))
{
this.EvaluatePotentialHazardousUsage(
operation.Syntax,
operation.Constructor,
propertySetInstance,
(PropertySetAbstractValue abstractValue) => hazardousUsageEvaluator.InvocationEvaluator !(
operation.Constructor,
abstractValue));
}
}
return(abstractValue);
}
/// <summary>
/// Analyzers should use <see cref="BatchGetOrComputeHazardousUsages"/> instead. Gets hazardous usages of an object based on a set of its properties.
/// </summary>
/// <param name="cfg">Control flow graph of the code.</param>
/// <param name="compilation">Compilation containing the code.</param>
/// <param name="owningSymbol">Symbol of the code to examine.</param>
/// <param name="typeToTrackMetadataName">Name of the type to track.</param>
/// <param name="constructorMapper">How constructor invocations map to <see cref="PropertySetAbstractValueKind"/>s.</param>
/// <param name="propertyMappers">How property assignments map to <see cref="PropertySetAbstractValueKind"/>.</param>
/// <param name="hazardousUsageEvaluators">When and how to evaluate <see cref="PropertySetAbstractValueKind"/>s to for hazardous usages.</param>
/// <param name="interproceduralAnalysisConfig">Interprocedural dataflow analysis configuration.</param>
/// <param name="pessimisticAnalysis">Whether to be pessimistic.</param>
/// <returns>Property set analysis result.</returns>
internal static PropertySetAnalysisResult GetOrComputeResult(
ControlFlowGraph cfg,
Compilation compilation,
ISymbol owningSymbol,
AnalyzerOptions analyzerOptions,
string typeToTrackMetadataName,
ConstructorMapper constructorMapper,
PropertyMapperCollection propertyMappers,
HazardousUsageEvaluatorCollection hazardousUsageEvaluators,
InterproceduralAnalysisConfiguration interproceduralAnalysisConfig,
bool pessimisticAnalysis = false)
{
if (constructorMapper == null)
{
throw new ArgumentNullException(nameof(constructorMapper));
}
if (propertyMappers == null)
{
throw new ArgumentNullException(nameof(propertyMappers));
}
if (hazardousUsageEvaluators == null)
{
throw new ArgumentNullException(nameof(hazardousUsageEvaluators));
}
constructorMapper.Validate(propertyMappers.PropertyValuesCount);
var wellKnownTypeProvider = WellKnownTypeProvider.GetOrCreate(compilation);
PointsToAnalysisResult pointsToAnalysisResult;
ValueContentAnalysisResult valueContentAnalysisResultOpt;
if (!constructorMapper.RequiresValueContentAnalysis && !propertyMappers.RequiresValueContentAnalysis)
{
pointsToAnalysisResult = PointsToAnalysis.TryGetOrComputeResult(
cfg,
owningSymbol,
analyzerOptions,
wellKnownTypeProvider,
interproceduralAnalysisConfig,
interproceduralAnalysisPredicateOpt: null,
pessimisticAnalysis,
performCopyAnalysis: false);
if (pointsToAnalysisResult == null)
{
return(null);
}
valueContentAnalysisResultOpt = null;
}
else
{
valueContentAnalysisResultOpt = ValueContentAnalysis.TryGetOrComputeResult(
cfg,
owningSymbol,
analyzerOptions,
wellKnownTypeProvider,
interproceduralAnalysisConfig,
out var copyAnalysisResult,
out pointsToAnalysisResult,
pessimisticAnalysis,
performCopyAnalysis: false);
if (valueContentAnalysisResultOpt == null)
{
return(null);
}
}
var analysisContext = PropertySetAnalysisContext.Create(
PropertySetAbstractValueDomain.Default,
wellKnownTypeProvider,
cfg,
owningSymbol,
analyzerOptions,
interproceduralAnalysisConfig,
pessimisticAnalysis,
pointsToAnalysisResult,
valueContentAnalysisResultOpt,
TryGetOrComputeResultForAnalysisContext,
typeToTrackMetadataName,
constructorMapper,
propertyMappers,
hazardousUsageEvaluators);
var result = TryGetOrComputeResultForAnalysisContext(analysisContext);
return(result);
}