/// <summary>
/// Constructor.
/// </summary>
/// <param name="dfg">DataFlowGraph</param>
internal TaintTrackingAnalysis(IGraph<IDataFlowNode> dfg)
{
this.AnalysisContext = dfg.EntryNode.Summary.AnalysisContext;
this.SemanticModel = dfg.EntryNode.Summary.SemanticModel;
this.Summary = dfg.EntryNode.Summary;
this.DataFlowGraph = dfg;
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="dfgNode">DataFlowNode</param>
/// <param name="context">AnalysisContext</param>
internal DataFlowInfo(DataFlowNode dfgNode, AnalysisContext context)
{
this.AnalysisContext = context;
this.DataFlowNode = dfgNode;
this.GeneratedDefinitions = new HashSet<SymbolDefinition>();
this.KilledDefinitions = new HashSet<SymbolDefinition>();
this.InputDefinitions = new HashSet<SymbolDefinition>();
this.OutputDefinitions = new HashSet<SymbolDefinition>();
this.TaintedDefinitions = new Dictionary<SymbolDefinition, ISet<SymbolDefinition>>();
}
/// <summary>
/// Constructor.
/// </summary>
/// <param name="context">AnalysisContext</param>
/// <param name="method">BaseMethodDeclarationSyntax</param>
/// <param name="parameterTypes">ITypeSymbols</param>
private MethodSummary(AnalysisContext context, BaseMethodDeclarationSyntax method,
IDictionary<int, ISet<ITypeSymbol>> parameterTypes)
{
this.Id = MethodSummary.IdCounter++;
this.AnalysisContext = context;
this.SemanticModel = context.Compilation.GetSemanticModel(method.SyntaxTree);
this.Method = method;
this.SideEffectsInfo = new MethodSideEffectsInfo(this);
this.ResolveMethodParameterTypes(parameterTypes);
}
/// <summary>
/// Creates the summary of the specified method, using the
/// specified parameter types.
/// </summary>
/// <param name="context">AnalysisContext</param>
/// <param name="method">BaseMethodDeclarationSyntax</param>
/// <param name="parameterTypes">ITypeSymbols</param>
/// <returns>MethodSummary</returns>
public static MethodSummary Create(AnalysisContext context, BaseMethodDeclarationSyntax method,
IDictionary<int, ISet<ITypeSymbol>> parameterTypes)
{
if (method.Body == null)
{
return null;
}
var summary = new MethodSummary(context, method, parameterTypes);
summary.BuildSummary();
summary.AnalyzeSummary();
return summary;
}
/// <summary>
/// Creates the summary of the specified method.
/// </summary>
/// <param name="context">AnalysisContext</param>
/// <param name="method">BaseMethodDeclarationSyntax</param>
/// <returns>MethodSummary</returns>
public static MethodSummary Create(AnalysisContext context, BaseMethodDeclarationSyntax method)
{
return MethodSummary.Create(context, method, new Dictionary<int, ISet<ITypeSymbol>>());
}