public void Analyze(INameService nameService, ITraceService traceService, IReadOnlyList <ModuleDef> moduleDefs, ILogger logger, MethodDef method)
{
if (!method.HasBody)
{
return;
}
MethodTrace methodTrace = null;
MethodTrace GetMethodTrace()
{
if (methodTrace == null)
{
methodTrace = traceService.Trace(method);
}
return(methodTrace);
}
foreach (var instr in method.Body.Instructions)
{
if (instr.OpCode.Code == Code.Call && instr.Operand is IMethodDefOrRef calledMethod)
{
if (calledMethod.DeclaringType.FullName == "System.Type")
{
Func <TypeDef, IEnumerable <IMemberDef> > getMember = null;
if (calledMethod.Name == nameof(Type.GetMethod))
{
getMember = t => t.Methods;
}
else if (calledMethod.Name == nameof(Type.GetField))
{
getMember = t => t.Fields;
}
else if (calledMethod.Name == nameof(Type.GetProperty))
{
getMember = t => t.Properties;
}
else if (calledMethod.Name == nameof(Type.GetEvent))
{
getMember = t => t.Events;
}
else if (calledMethod.Name == nameof(Type.GetMember))
{
getMember = t => Enumerable.Empty <IMemberDef>().Concat(t.Methods).Concat(t.Fields).Concat(t.Properties).Concat(t.Events);
}
if (getMember != null)
{
var trace = GetMethodTrace();
var arguments = trace.TraceArguments(instr);
if (arguments == null)
{
logger.WarnFormat(Resources.ReflectionAnalyzer_Analyze_TracingArgumentsFailed, calledMethod.FullName, method.FullName);
}
else if (arguments.Length >= 2)
{
var types = GetReferencedTypes(method.Body.Instructions[arguments[0]], method, trace);
var names = GetReferencedNames(method.Body.Instructions[arguments[1]]);
if (!types.Any())
{
types = moduleDefs.SelectMany(m => m.GetTypes()).ToArray();
}
foreach (var possibleMethod in types.SelectMany(getMember).Where(m => names.Contains(m.Name)))
{
nameService.SetCanRename(possibleMethod, false);
}
}
}
}
}
}
}