static Assembly LoadAssembly(ref AssemblyInfo assemblyInfo, string loadPath)
{
string filePath = assemblyInfo.FilePath ?? Path.Combine(loadPath, assemblyInfo.AssemblyName.Name + ".dll");
try
{
assemblyInfo.IsInGac = true;
return Assembly.ReflectionOnlyLoad(assemblyInfo.AssemblyName.FullName);
}
catch
{
assemblyInfo.IsInGac = false;
}
try
{
return Assembly.ReflectionOnlyLoadFrom(filePath);
}
catch (Exception ex)
{
// Possible unhandles exception: An attempt was made to load a program with an incorrect format.
Console.WriteLine(ex);
}
return null;
}
public static IEnumerable<AssemblyInfo> GetAssemblyReferenceGraph(string targetAssemblyPath)
{
string loadPath = Path.GetDirectoryName(targetAssemblyPath);
var foundNames = new HashSet<string>(StringComparer.InvariantCultureIgnoreCase); // list of Assembly names to avoid dups and an endless loop
var results = new List<AssemblyInfo>(); // ArrayList of AssemblyInfo objects
var stack = new Stack<AssemblyInfo>(); // stack of Assembly AssemblyInfo objects
stack.Push(new AssemblyInfo(AssemblyName.GetAssemblyName(targetAssemblyPath)) { FilePath = targetAssemblyPath });
// do a preorder, non-recursive traversal to store all remaining assemblies);
while (stack.Count > 0)
{
var info = stack.Pop(); // get next assembly AssemblyInfo
try
{
Assembly assembly = LoadAssembly(ref info, loadPath);
if (assembly == null)
continue;
info.Children = assembly.GetReferencedAssemblies();
results.Add(info);
foundNames.Add(info.FullName);
foreach (var assemblyName in info.Children.Reverse()) // "right-to-left" = preorder traversal
{
if (!foundNames.Contains(assemblyName.FullName))
{
foundNames.Add(assemblyName.FullName);
var subChildInfo = new AssemblyInfo(assemblyName);
stack.Push(subChildInfo);
}
}
}
catch (Exception e)
{
Console.WriteLine(e);
}
}
return results;
}
