public static ISymUnmanagedNamespace[] GetNamespaces(this ISymUnmanagedScope symScope)
{
uint count;
symScope.GetNamespaces(0, out count, new ISymUnmanagedNamespace[0]);
ISymUnmanagedNamespace[] namespaces = new ISymUnmanagedNamespace[count];
symScope.GetNamespaces(count, out count, namespaces);
return(namespaces);
}
/// <summary>
/// Gets the namespaces that are used within the current scope
/// </summary>
/// <returns>The namespaces that are used within the current scope</returns>
public ISymbolNamespace[] GetNamespaces()
{
int nmNum;
private_scope.GetNamespaces(0, out nmNum, null);
ISymUnmanagedNamespace[] unNams = new ISymUnmanagedNamespace[nmNum];
ISymbolNamespace[] manNams = new ISymbolNamespace[nmNum];
private_scope.GetNamespaces(nmNum, out nmNum, unNams);
for (int i = 0; i < nmNum; i++)
{
manNams[i] = new SymbolNamespace(unNams[i]);
}
return(manNams);
}
public ISymbolNamespace[] GetNamespaces()
{
m_target.GetNamespaces(0, out var count, null);
ISymUnmanagedNamespace[] uNamespaces = new ISymUnmanagedNamespace[count];
m_target.GetNamespaces(count, out count, uNamespaces);
int i;
ISymbolNamespace[] namespaces = new ISymbolNamespace[count];
for (i = 0; i < count; i++)
{
namespaces[i] = new SymNamespace(uNamespaces[i]);
}
return(namespaces);
}
public ISymbolNamespace[] GetNamespaces()
{
uint numNss;
scope.GetNamespaces(0, out numNss, null);
var unNss = new ISymUnmanagedNamespace[numNss];
scope.GetNamespaces((uint)unNss.Length, out numNss, unNss);
var nss = new ISymbolNamespace[numNss];
for (uint i = 0; i < numNss; i++)
{
nss[i] = new SymbolNamespace(unNss[i]);
}
return(nss);
}
public ISymbolNamespace[] GetNamespaces()
{
int size;
HRESULT.ThrowOnFailure(_unmanaged.GetNamespaces(0, out size, null));
var unmanagedNamespaces = new ISymUnmanagedNamespace[size];
HRESULT.ThrowOnFailure(_unmanaged.GetNamespaces(unmanagedNamespaces.Length, out size, unmanagedNamespaces));
var namespaces = new ISymbolNamespace[size];
for (int i = 0; i < size; i++)
{
namespaces[i] = new SymbolNamespace(unmanagedNamespaces[i]);
}
return(namespaces);
}
public static ImmutableArray <ISymUnmanagedNamespace> GetNamespaces(this ISymUnmanagedScope scope)
{
int numNamespacesAvailable;
scope.GetNamespaces(0, out numNamespacesAvailable, null);
if (numNamespacesAvailable == 0)
{
return(ImmutableArray <ISymUnmanagedNamespace> .Empty);
}
int numNamespacesRead;
ISymUnmanagedNamespace[] namespaces = new ISymUnmanagedNamespace[numNamespacesAvailable];
scope.GetNamespaces(numNamespacesAvailable, out numNamespacesRead, namespaces);
if (numNamespacesRead != numNamespacesAvailable)
{
throw new InvalidOperationException(string.Format("Read only {0} of {1} namespaces.", numNamespacesRead, numNamespacesAvailable));
}
return(ImmutableArray.Create(namespaces));
}
/// <summary>
/// Get the (unprocessed) import strings for a given method.
/// </summary>
/// <remarks>
/// Doesn't consider forwarding.
///
/// CONSIDER: Dev12 doesn't just check the root scope - it digs around to find the best
/// match based on the IL offset and then walks up to the root scope (see PdbUtil::GetScopeFromOffset).
/// However, it's not clear that this matters, since imports can't be scoped in VB. This is probably
/// just based on the way they were extracting locals and constants based on a specific scope.
///
/// Returns empty array if there are no import strings for the specified method.
/// </remarks>
private static ImmutableArray <string> GetImportStrings(ISymUnmanagedReader reader, int methodToken, int methodVersion)
{
var method = reader.GetMethodByVersion(methodToken, methodVersion);
if (method == null)
{
// In rare circumstances (only bad PDBs?) GetMethodByVersion can return null.
// If there's no debug info for the method, then no import strings are available.
return(ImmutableArray <string> .Empty);
}
ISymUnmanagedScope rootScope = method.GetRootScope();
if (rootScope == null)
{
Debug.Assert(false, "Expected a root scope.");
return(ImmutableArray <string> .Empty);
}
var childScopes = rootScope.GetChildren();
if (childScopes.Length == 0)
{
// It seems like there should always be at least one child scope, but we've
// seen PDBs where that is not the case.
return(ImmutableArray <string> .Empty);
}
// As in NamespaceListWrapper::Init, we only consider namespaces in the first
// child of the root scope.
ISymUnmanagedScope firstChildScope = childScopes[0];
var namespaces = firstChildScope.GetNamespaces();
if (namespaces.Length == 0)
{
// It seems like there should always be at least one namespace (i.e. the global
// namespace), but we've seen PDBs where that is not the case.
return(ImmutableArray <string> .Empty);
}
return(ImmutableArray.CreateRange(namespaces.Select(n => n.GetName())));
}
private void WriteScopes(ISymUnmanagedScope scope)
{
writer.WriteStartElement("scope");
{
writer.WriteAttributeString("startOffset", AsILOffset(scope.GetStartOffset()));
writer.WriteAttributeString("endOffset", AsILOffset(scope.GetEndOffset()));
{
foreach (ISymUnmanagedNamespace @namespace in scope.GetNamespaces())
{
WriteNamespace(@namespace);
}
WriteLocalsHelper(scope, slotNames: null, includeChildScopes: false);
}
foreach (ISymUnmanagedScope child in scope.GetScopes())
{
WriteScopes(child);
}
}
writer.WriteEndElement(); // </scope>
}
/// <summary>
/// Get the (unprocessed) import strings for a given method.
/// </summary>
/// <remarks>
/// Doesn't consider forwarding.
/// </remarks>
private static ImmutableArray <string> GetImportStrings(this ISymUnmanagedMethod method)
{
ISymUnmanagedScope rootScope = method.GetRootScope();
if (rootScope == null)
{
Debug.Assert(false, "Expected a root scope.");
return(ImmutableArray <string> .Empty);
}
ImmutableArray <ISymUnmanagedScope> childScopes = rootScope.GetScopes();
if (childScopes.Length == 0)
{
//Debug.Assert(false, "Expected at least one child scope."); // TODO (acasey): Why can't we assume this?
return(ImmutableArray <string> .Empty);
}
// As in NamespaceListWrapper::Init, we only consider namespaces in the first
// child of the root scope.
ISymUnmanagedScope firstChildScope = childScopes[0];
ImmutableArray <ISymUnmanagedNamespace> namespaces = firstChildScope.GetNamespaces();
if (namespaces.Length == 0)
{
//Debug.Assert(false, "Expected at least one namespace (i.e. the global namespace)."); // TODO (acasey): Why can't we assume this?
return(ImmutableArray <string> .Empty);
}
ArrayBuilder <string> importsBuilder = ArrayBuilder <string> .GetInstance(namespaces.Length);
foreach (ISymUnmanagedNamespace @namespace in namespaces)
{
importsBuilder.Add(@namespace.GetName());
}
return(importsBuilder.ToImmutableAndFree());
}
public int GetNamespaces(int cNameSpaces, out int pcNameSpaces, ISymUnmanagedNamespace[] namespaces)
{
return(_scope.GetNamespaces(cNameSpaces, out pcNameSpaces, namespaces));
}
private void WriteScopes(ISymUnmanagedScope scope)
{
writer.WriteStartElement("scope");
{
writer.WriteAttributeString("startOffset", AsILOffset(scope.GetStartOffset()));
writer.WriteAttributeString("endOffset", AsILOffset(scope.GetEndOffset()));
{
foreach (ISymUnmanagedNamespace @namespace in scope.GetNamespaces())
{
WriteNamespace(@namespace);
}
WriteLocalsHelper(scope, slotNames: null, includeChildScopes: false);
}
foreach (ISymUnmanagedScope child in scope.GetScopes())
{
WriteScopes(child);
}
}
writer.WriteEndElement(); // </scope>
}
private void WriteScope(ISymUnmanagedScope scope, bool isRoot)
{
_writer.WriteStartElement(isRoot ? "rootScope" : "scope");
_writer.WriteAttributeString("startOffset", AsILOffset(scope.GetStartOffset()));
_writer.WriteAttributeString("endOffset", AsILOffset(scope.GetEndOffset()));
foreach (ISymUnmanagedNamespace @namespace in scope.GetNamespaces())
{
WriteNamespace(@namespace);
}
WriteLocals(scope);
foreach (ISymUnmanagedScope child in scope.GetScopes())
{
WriteScope(child, isRoot: false);
}
_writer.WriteEndElement();
}
private void WriteScopes(ISymUnmanagedScope rootScope)
{
// The root scope is always empty. The first scope opened by SymWriter is the child of the root scope.
if (rootScope.GetNamespaces().IsEmpty && rootScope.GetLocals().IsEmpty && rootScope.GetConstants().IsEmpty)
{
foreach (ISymUnmanagedScope child in rootScope.GetScopes())
{
WriteScope(child, isRoot: false);
}
}
else
{
// This shouldn't be executed for PDBs generated via SymWriter.
WriteScope(rootScope, isRoot: true);
}
}
