private ChecksumAlgorithmType ChecksumAlgorithmForFullPdb()
{
string fileName = Path.GetFileName(this.FileName);
string extension = Path.GetExtension(fileName);
string pdbPath = this.FileName.Replace(fileName, fileName.Replace(extension, ".pdb"));
if (!File.Exists(pdbPath))
{
return(ChecksumAlgorithmType.Unknown);
}
using var pdbStream = new FileStream(pdbPath, FileMode.Open, FileAccess.Read);
var metadataProvider = new SymMetadataProvider(this.metadataReader);
object importer = SymUnmanagedReaderFactory.CreateSymReaderMetadataImport(metadataProvider);
ISymUnmanagedReader3 reader = SymUnmanagedReaderFactory.CreateReaderWithMetadataImport <ISymUnmanagedReader3>(pdbStream, importer, SymUnmanagedReaderCreationOptions.UseComRegistry);
try
{
Guid algorithm = Guid.Empty;
foreach (ISymUnmanagedDocument document in reader.GetDocuments())
{
document.GetChecksumAlgorithmId(ref algorithm);
return(algorithm == sha256guid ? ChecksumAlgorithmType.Sha256 : ChecksumAlgorithmType.Sha1);
}
}
finally
{
_ = ((ISymUnmanagedDispose)reader).Destroy();
}
return(ChecksumAlgorithmType.Unknown);
}
private static void ReadCSharpNativeCustomDebugInfo(
ISymUnmanagedReader3 reader,
int methodToken,
int methodVersion,
IEnumerable <ISymUnmanagedScope> scopes,
out ImmutableArray <HoistedLocalScopeRecord> hoistedLocalScopeRecords,
out ImmutableDictionary <int, ImmutableArray <bool> > dynamicLocalMap,
out ImmutableDictionary <string, ImmutableArray <bool> > dynamicLocalConstantMap)
{
hoistedLocalScopeRecords = ImmutableArray <HoistedLocalScopeRecord> .Empty;
dynamicLocalMap = ImmutableDictionary <int, ImmutableArray <bool> > .Empty;
dynamicLocalConstantMap = ImmutableDictionary <string, ImmutableArray <bool> > .Empty;
byte[] customDebugInfoBytes = reader.GetCustomDebugInfoBytes(methodToken, methodVersion);
if (customDebugInfoBytes == null)
{
return;
}
var customDebugInfoRecord = CustomDebugInfoReader.TryGetCustomDebugInfoRecord(customDebugInfoBytes, CustomDebugInfoKind.StateMachineHoistedLocalScopes);
if (!customDebugInfoRecord.IsDefault)
{
hoistedLocalScopeRecords = CustomDebugInfoReader.DecodeStateMachineHoistedLocalScopesRecord(customDebugInfoRecord)
.SelectAsArray(s => new HoistedLocalScopeRecord(s.StartOffset, s.EndOffset - s.StartOffset + 1));
}
CustomDebugInfoReader.GetCSharpDynamicLocalInfo(
customDebugInfoBytes,
methodToken,
methodVersion,
scopes,
out dynamicLocalMap,
out dynamicLocalConstantMap);
}
public static byte[] GetCustomDebugInfoBytes(
ISymUnmanagedReader3 reader,
MethodDefinitionHandle handle,
int methodVersion
)
{
return(reader.GetCustomDebugInfo(MetadataTokens.GetToken(handle), methodVersion));
}
public static void Initialize(this ISymUnmanagedReader3 reader, Stream stream, object metadataImporter, string fileName = null, string searchPath = null)
{
if (reader == null)
{
throw new ArgumentNullException(nameof(reader));
}
ThrowExceptionForHR(reader.Initialize(metadataImporter, fileName, searchPath, SymUnmanagedStreamFactory.CreateStream(stream)));
}
public static EditAndContinueMethodDebugInformation GetEncMethodDebugInfo(this ISymUnmanagedReader3 symReader, MethodDefinitionHandle handle)
{
var cdi = CustomDebugInfoUtilities.GetCustomDebugInfoBytes(symReader, handle, methodVersion: 1);
if (cdi == null)
{
return(EditAndContinueMethodDebugInformation.Create(default(ImmutableArray <byte>), default(ImmutableArray <byte>)));
}
return(GetEncMethodDebugInfo(cdi));
}
/// <summary>
/// Get the blob of binary custom debug info for a given method.
/// </summary>
private static byte[] GetCustomDebugInfoBytes(ISymUnmanagedReader3 reader, int methodToken, int methodVersion)
{
try
{
return(reader.GetCustomDebugInfo(methodToken, methodVersion));
}
catch (ArgumentOutOfRangeException)
{
// Sometimes the debugger returns the HRESULT for ArgumentOutOfRangeException, rather than E_FAIL,
// for methods without custom debug info (https://github.com/dotnet/roslyn/issues/4138).
return(null);
}
}
public static unsafe EditAndContinueMethodDebugInformation GetEncMethodDebugInfo(
this ISymUnmanagedReader3 symReader,
MethodDefinitionHandle handle
)
{
const int S_OK = 0;
if (symReader is ISymUnmanagedReader4 symReader4)
{
int hr = symReader4.GetPortableDebugMetadata(out byte *metadata, out int size);
Marshal.ThrowExceptionForHR(hr);
if (hr == S_OK)
{
var pdbReader = new MetadataReader(metadata, size);
ImmutableArray <byte> GetCdiBytes(Guid kind) =>
TryGetCustomDebugInformation(pdbReader, handle, kind, out var info)
? pdbReader.GetBlobContent(info.Value)
: default(ImmutableArray <byte>);
return(EditAndContinueMethodDebugInformation.Create(
compressedSlotMap: GetCdiBytes(
PortableCustomDebugInfoKinds.EncLocalSlotMap
),
compressedLambdaMap: GetCdiBytes(
PortableCustomDebugInfoKinds.EncLambdaAndClosureMap
)
));
}
}
var cdi = CustomDebugInfoUtilities.GetCustomDebugInfoBytes(
symReader,
handle,
methodVersion: 1
);
if (cdi == null)
{
return(EditAndContinueMethodDebugInformation.Create(
default(ImmutableArray <byte>),
default(ImmutableArray <byte>)
));
}
return(GetEncMethodDebugInfo(cdi));
}
private static void ReadCSharpNativeImportsInfo(
ISymUnmanagedReader3 reader,
EESymbolProvider <TTypeSymbol, TLocalSymbol> symbolProvider,
int methodToken,
int methodVersion,
out ImmutableArray <ImmutableArray <ImportRecord> > importRecordGroups,
out ImmutableArray <ExternAliasRecord> externAliasRecords)
{
ImmutableArray <string> externAliasStrings;
var importStringGroups = CustomDebugInfoReader.GetCSharpGroupedImportStrings(
methodToken,
KeyValuePair.Create(reader, methodVersion),
getMethodCustomDebugInfo: (token, arg) => GetCustomDebugInfoBytes(arg.Key, token, arg.Value),
getMethodImportStrings: (token, arg) => GetImportStrings(arg.Key, token, arg.Value),
externAliasStrings: out externAliasStrings);
Debug.Assert(importStringGroups.IsDefault == externAliasStrings.IsDefault);
ArrayBuilder <ImmutableArray <ImportRecord> > importRecordGroupBuilder = null;
ArrayBuilder <ExternAliasRecord> externAliasRecordBuilder = null;
if (!importStringGroups.IsDefault)
{
importRecordGroupBuilder = ArrayBuilder <ImmutableArray <ImportRecord> > .GetInstance(importStringGroups.Length);
foreach (var importStringGroup in importStringGroups)
{
var groupBuilder = ArrayBuilder <ImportRecord> .GetInstance(importStringGroup.Length);
foreach (var importString in importStringGroup)
{
ImportRecord record;
if (TryCreateImportRecordFromCSharpImportString(symbolProvider, importString, out record))
{
groupBuilder.Add(record);
}
else
{
Debug.WriteLine($"Failed to parse import string {importString}");
}
}
importRecordGroupBuilder.Add(groupBuilder.ToImmutableAndFree());
}
if (!externAliasStrings.IsDefault)
{
externAliasRecordBuilder = ArrayBuilder <ExternAliasRecord> .GetInstance(externAliasStrings.Length);
foreach (string externAliasString in externAliasStrings)
{
string alias;
string externAlias;
string target;
ImportTargetKind kind;
if (!CustomDebugInfoReader.TryParseCSharpImportString(externAliasString, out alias, out externAlias, out target, out kind))
{
Debug.WriteLine($"Unable to parse extern alias '{externAliasString}'");
continue;
}
Debug.Assert(kind == ImportTargetKind.Assembly, "Programmer error: How did a non-assembly get in the extern alias list?");
Debug.Assert(alias != null); // Name of the extern alias.
Debug.Assert(externAlias == null); // Not used.
Debug.Assert(target != null); // Name of the target assembly.
AssemblyIdentity targetIdentity;
if (!AssemblyIdentity.TryParseDisplayName(target, out targetIdentity))
{
Debug.WriteLine($"Unable to parse target of extern alias '{externAliasString}'");
continue;
}
externAliasRecordBuilder.Add(new ExternAliasRecord(alias, targetIdentity));
}
}
}
importRecordGroups = importRecordGroupBuilder?.ToImmutableAndFree() ?? ImmutableArray <ImmutableArray <ImportRecord> > .Empty;
externAliasRecords = externAliasRecordBuilder?.ToImmutableAndFree() ?? ImmutableArray <ExternAliasRecord> .Empty;
}
private static ImmutableArray <string> GetImportStrings(int token, Dictionary <int, ImmutableArray <string> > cache, ISymUnmanagedReader3 reader)
{
ImmutableArray <string> result;
if (!cache.TryGetValue(token, out result))
{
result = SymReaderHelpers.GetImportStrings(reader, token, methodVersion: 1);
cache.Add(token, result);
}
return(result);
}
public static byte[] GetCustomDebugInfoBytes(ISymUnmanagedReader3 reader, MethodDefinitionHandle handle, int methodVersion)
{
return reader.GetCustomDebugInfoBytes(MetadataTokens.GetToken(handle), methodVersion);
}
public FullPdbReader(Stream pdbStream)
{
pdbStream.Position = 0;
_symReader = CreateNativeSymReader(pdbStream);
}
public FullPdbReader(Stream pdbStream)
{
pdbStream.Position = 0;
_symReader = CreateNativeSymReader(pdbStream);
}
/// <summary>
/// Returns EnC debug information for initial version of the specified method.
/// </summary>
/// <exception cref="InvalidDataException">The debug information data is corrupt or can't be retrieved from the debugger.</exception>
private EditAndContinueMethodDebugInformation GetBaselineEncDebugInfo(MethodDefinitionHandle methodHandle)
{
Debug.Assert(Thread.CurrentThread.GetApartmentState() == ApartmentState.MTA);
if (_pdbReader == null)
{
// Unmarshal the symbol reader (being marshalled cross thread from STA -> MTA).
Debug.Assert(_pdbReaderObjAsStream != IntPtr.Zero);
object pdbReaderObjMta;
var exception = Marshal.GetExceptionForHR(NativeMethods.GetObjectForStream(_pdbReaderObjAsStream, out pdbReaderObjMta));
if (exception != null)
{
// likely a bug in the compiler/debugger
FatalError.ReportWithoutCrash(exception);
throw new InvalidDataException(exception.Message, exception);
}
_pdbReaderObjAsStream = IntPtr.Zero;
_pdbReader = (ISymUnmanagedReader3)pdbReaderObjMta;
}
int methodToken = MetadataTokens.GetToken(methodHandle);
byte[] debugInfo;
try
{
debugInfo = _pdbReader.GetCustomDebugInfoBytes(methodToken, methodVersion: 1);
}
catch (Exception e) when (FatalError.ReportWithoutCrash(e)) // likely a bug in the compiler/debugger
{
throw new InvalidDataException(e.Message, e);
}
try
{
ImmutableArray<byte> localSlots, lambdaMap;
if (debugInfo != null)
{
localSlots = CustomDebugInfoReader.TryGetCustomDebugInfoRecord(debugInfo, CustomDebugInfoKind.EditAndContinueLocalSlotMap);
lambdaMap = CustomDebugInfoReader.TryGetCustomDebugInfoRecord(debugInfo, CustomDebugInfoKind.EditAndContinueLambdaMap);
}
else
{
localSlots = lambdaMap = default(ImmutableArray<byte>);
}
return EditAndContinueMethodDebugInformation.Create(localSlots, lambdaMap);
}
catch (InvalidOperationException e) when (FatalError.ReportWithoutCrash(e)) // likely a bug in the compiler/debugger
{
// TODO: CustomDebugInfoReader should throw InvalidDataException
throw new InvalidDataException(e.Message, e);
}
}
public unsafe static MethodDebugInfo <TTypeSymbol, TLocalSymbol> ReadMethodDebugInfo(
ISymUnmanagedReader3 symReader,
EESymbolProvider <TTypeSymbol, TLocalSymbol> symbolProviderOpt, // TODO: only null in DTEE case where we looking for default namesapace
int methodToken,
int methodVersion,
int ilOffset,
bool isVisualBasicMethod)
{
// no symbols
if (symReader == null)
{
return(None);
}
var symReader4 = symReader as ISymUnmanagedReader4;
if (symReader4 != null) // TODO: VB Portable PDBs
{
byte *metadata;
int size;
// TODO: version
int hr = symReader4.GetPortableDebugMetadata(out metadata, out size);
SymUnmanagedReaderExtensions.ThrowExceptionForHR(hr);
if (metadata != null)
{
var mdReader = new MetadataReader(metadata, size);
try
{
return(ReadFromPortable(mdReader, methodToken, ilOffset, symbolProviderOpt, isVisualBasicMethod));
}
catch (BadImageFormatException)
{
// bad CDI, ignore
return(None);
}
}
}
var allScopes = ArrayBuilder <ISymUnmanagedScope> .GetInstance();
var containingScopes = ArrayBuilder <ISymUnmanagedScope> .GetInstance();
try
{
ImmutableArray <HoistedLocalScopeRecord> hoistedLocalScopeRecords;
ImmutableArray <ImmutableArray <ImportRecord> > importRecordGroups;
ImmutableArray <ExternAliasRecord> externAliasRecords;
ImmutableDictionary <int, ImmutableArray <bool> > dynamicLocalMap;
ImmutableDictionary <string, ImmutableArray <bool> > dynamicLocalConstantMap;
string defaultNamespaceName;
var symMethod = symReader.GetMethodByVersion(methodToken, methodVersion);
if (symMethod != null)
{
symMethod.GetAllScopes(allScopes, containingScopes, ilOffset, isScopeEndInclusive: isVisualBasicMethod);
}
if (isVisualBasicMethod)
{
ReadVisualBasicImportsDebugInfo(
symReader,
methodToken,
methodVersion,
out importRecordGroups,
out defaultNamespaceName);
hoistedLocalScopeRecords = ImmutableArray <HoistedLocalScopeRecord> .Empty;
externAliasRecords = ImmutableArray <ExternAliasRecord> .Empty;
dynamicLocalMap = null;
dynamicLocalConstantMap = null;
}
else
{
Debug.Assert(symbolProviderOpt != null);
ReadCSharpNativeImportsInfo(
symReader,
symbolProviderOpt,
methodToken,
methodVersion,
out importRecordGroups,
out externAliasRecords);
ReadCSharpNativeCustomDebugInfo(
symReader,
methodToken,
methodVersion,
allScopes,
out hoistedLocalScopeRecords,
out dynamicLocalMap,
out dynamicLocalConstantMap);
defaultNamespaceName = "";
}
var constantsBuilder = ArrayBuilder <TLocalSymbol> .GetInstance();
if (symbolProviderOpt != null) // TODO
{
GetConstants(constantsBuilder, symbolProviderOpt, containingScopes, dynamicLocalConstantMap);
}
var reuseSpan = GetReuseSpan(allScopes, ilOffset, isVisualBasicMethod);
return(new MethodDebugInfo <TTypeSymbol, TLocalSymbol>(
hoistedLocalScopeRecords,
importRecordGroups,
externAliasRecords,
dynamicLocalMap,
defaultNamespaceName,
containingScopes.GetLocalNames(),
constantsBuilder.ToImmutableAndFree(),
reuseSpan));
}
catch (InvalidOperationException)
{
// bad CDI, ignore
return(None);
}
finally
{
allScopes.Free();
containingScopes.Free();
}
}
/// <summary>
/// Get the import strings for a given method, following forward pointers as necessary.
/// </summary>
/// <returns>
/// For each namespace enclosing the method, a list of import strings, innermost to outermost.
/// There should always be at least one entry, for the global namespace.
/// </returns>
public static ImmutableArray <ImmutableArray <string> > GetCSharpGroupedImportStrings(this ISymUnmanagedReader3 reader, int methodToken, int methodVersion, out ImmutableArray <string> externAliasStrings)
{
externAliasStrings = default(ImmutableArray <string>);
ImmutableArray <short> groupSizes = default(ImmutableArray <short>);
bool seenForward = false;
RETRY:
byte[] bytes = reader.GetCustomDebugInfoBytes(methodToken, methodVersion);
if (bytes == null)
{
return(default(ImmutableArray <ImmutableArray <string> >));
}
foreach (var record in GetCustomDebugInfoRecords(bytes))
{
switch (record.Kind)
{
case CustomDebugInfoKind.UsingInfo:
if (!groupSizes.IsDefault)
{
throw new InvalidOperationException(string.Format("Expected at most one Using record for method {0}", FormatMethodToken(methodToken)));
}
groupSizes = DecodeUsingRecord(record.Data);
break;
case CustomDebugInfoKind.ForwardInfo:
if (!externAliasStrings.IsDefault)
{
throw new InvalidOperationException(string.Format("Did not expect both Forward and ForwardToModule records for method {0}", FormatMethodToken(methodToken)));
}
methodToken = DecodeForwardRecord(record.Data);
// Follow at most one forward link (as in FUNCBRECEE::ensureNamespaces).
// NOTE: Dev11 may produce chains of forward links (e.g. for System.Collections.Immutable).
if (!seenForward)
{
seenForward = true;
goto RETRY;
}
break;
case CustomDebugInfoKind.ForwardToModuleInfo:
if (!externAliasStrings.IsDefault)
{
throw new InvalidOperationException(string.Format("Expected at most one ForwardToModule record for method {0}", FormatMethodToken(methodToken)));
}
int moduleInfoMethodToken = DecodeForwardToModuleRecord(record.Data);
ImmutableArray <string> allModuleInfoImportStrings = reader.GetMethodByVersion(moduleInfoMethodToken, methodVersion).GetImportStrings();
ArrayBuilder <string> externAliasBuilder = ArrayBuilder <string> .GetInstance();
foreach (string importString in allModuleInfoImportStrings)
{
if (IsCSharpExternAliasInfo(importString))
{
externAliasBuilder.Add(importString);
}
}
externAliasStrings = externAliasBuilder.ToImmutableAndFree();
break;
}
}
if (groupSizes.IsDefault)
{
// This can happen in malformed PDBs (e.g. chains of forwards).
return(default(ImmutableArray <ImmutableArray <string> >));
}
var method = reader.GetMethodByVersion(methodToken, methodVersion);
if (method == null)
{
return(default(ImmutableArray <ImmutableArray <string> >));
}
ImmutableArray <string> importStrings = method.GetImportStrings();
int numImportStrings = importStrings.Length;
ArrayBuilder <ImmutableArray <string> > resultBuilder = ArrayBuilder <ImmutableArray <string> > .GetInstance(groupSizes.Length);
ArrayBuilder <string> groupBuilder = ArrayBuilder <string> .GetInstance();
int pos = 0;
foreach (short groupSize in groupSizes)
{
for (int i = 0; i < groupSize; i++, pos++)
{
if (pos >= numImportStrings)
{
throw new InvalidOperationException(string.Format("Group size indicates more imports than there are import strings (method {0}).", FormatMethodToken(methodToken)));
}
string importString = importStrings[pos];
if (IsCSharpExternAliasInfo(importString))
{
throw new InvalidOperationException(string.Format("Encountered extern alias info before all import strings were consumed (method {0}).", FormatMethodToken(methodToken)));
}
groupBuilder.Add(importString);
}
resultBuilder.Add(groupBuilder.ToImmutable());
groupBuilder.Clear();
}
if (externAliasStrings.IsDefault)
{
Debug.Assert(groupBuilder.Count == 0);
// Extern alias detail strings (prefix "Z") are not included in the group counts.
for (; pos < numImportStrings; pos++)
{
string importString = importStrings[pos];
if (!IsCSharpExternAliasInfo(importString))
{
throw new InvalidOperationException(string.Format("Expected only extern alias info strings after consuming the indicated number of imports (method {0}).", FormatMethodToken(methodToken)));
}
groupBuilder.Add(importString);
}
externAliasStrings = groupBuilder.ToImmutableAndFree();
}
else
{
groupBuilder.Free();
if (pos < numImportStrings)
{
throw new InvalidOperationException(string.Format("Group size indicates fewer imports than there are import strings (method {0}).", FormatMethodToken(methodToken)));
}
}
return(resultBuilder.ToImmutableAndFree());
}
public unsafe static MethodDebugInfo <TTypeSymbol, TLocalSymbol> ReadMethodDebugInfo(
ISymUnmanagedReader3 symReader,
EESymbolProvider <TTypeSymbol, TLocalSymbol> symbolProviderOpt, // TODO: only null in DTEE case where we looking for default namesapace
int methodToken,
int methodVersion,
int ilOffset,
bool isVisualBasicMethod)
{
// no symbols
if (symReader == null)
{
return(None);
}
if (symReader is ISymUnmanagedReader5 symReader5)
{
int hr = symReader5.GetPortableDebugMetadataByVersion(methodVersion, out byte *metadata, out int size);
ThrowExceptionForHR(hr);
if (hr == S_OK)
{
var mdReader = new MetadataReader(metadata, size);
try
{
return(ReadFromPortable(mdReader, methodToken, ilOffset, symbolProviderOpt, isVisualBasicMethod));
}
catch (BadImageFormatException)
{
// bad CDI, ignore
return(None);
}
}
}
var allScopes = ArrayBuilder <ISymUnmanagedScope> .GetInstance();
var containingScopes = ArrayBuilder <ISymUnmanagedScope> .GetInstance();
try
{
var symMethod = symReader.GetMethodByVersion(methodToken, methodVersion);
if (symMethod != null)
{
symMethod.GetAllScopes(allScopes, containingScopes, ilOffset, isScopeEndInclusive: isVisualBasicMethod);
}
ImmutableArray <ImmutableArray <ImportRecord> > importRecordGroups;
ImmutableArray <ExternAliasRecord> externAliasRecords;
string defaultNamespaceName;
if (isVisualBasicMethod)
{
ReadVisualBasicImportsDebugInfo(
symReader,
methodToken,
methodVersion,
out importRecordGroups,
out defaultNamespaceName);
externAliasRecords = ImmutableArray <ExternAliasRecord> .Empty;
}
else
{
Debug.Assert(symbolProviderOpt != null);
ReadCSharpNativeImportsInfo(
symReader,
symbolProviderOpt,
methodToken,
methodVersion,
out importRecordGroups,
out externAliasRecords);
defaultNamespaceName = "";
}
// VB should read hoisted scope information from local variables:
var hoistedLocalScopeRecords = isVisualBasicMethod ?
default(ImmutableArray <HoistedLocalScopeRecord>) :
ImmutableArray <HoistedLocalScopeRecord> .Empty;
ImmutableDictionary <int, ImmutableArray <bool> > dynamicLocalMap = null;
ImmutableDictionary <string, ImmutableArray <bool> > dynamicLocalConstantMap = null;
ImmutableDictionary <int, ImmutableArray <string> > tupleLocalMap = null;
ImmutableDictionary <LocalNameAndScope, ImmutableArray <string> > tupleLocalConstantMap = null;
byte[] customDebugInfo = GetCustomDebugInfoBytes(symReader, methodToken, methodVersion);
if (customDebugInfo != null)
{
if (!isVisualBasicMethod)
{
var customDebugInfoRecord = CustomDebugInfoReader.TryGetCustomDebugInfoRecord(customDebugInfo, CustomDebugInfoKind.StateMachineHoistedLocalScopes);
if (!customDebugInfoRecord.IsDefault)
{
hoistedLocalScopeRecords = CustomDebugInfoReader.DecodeStateMachineHoistedLocalScopesRecord(customDebugInfoRecord)
.SelectAsArray(s => new HoistedLocalScopeRecord(s.StartOffset, s.Length));
}
GetCSharpDynamicLocalInfo(
customDebugInfo,
allScopes,
out dynamicLocalMap,
out dynamicLocalConstantMap);
}
GetTupleElementNamesLocalInfo(
customDebugInfo,
out tupleLocalMap,
out tupleLocalConstantMap);
}
var constantsBuilder = ArrayBuilder <TLocalSymbol> .GetInstance();
if (symbolProviderOpt != null) // TODO
{
GetConstants(constantsBuilder, symbolProviderOpt, containingScopes, dynamicLocalConstantMap, tupleLocalConstantMap);
}
var reuseSpan = GetReuseSpan(allScopes, ilOffset, isVisualBasicMethod);
return(new MethodDebugInfo <TTypeSymbol, TLocalSymbol>(
hoistedLocalScopeRecords,
importRecordGroups,
externAliasRecords,
dynamicLocalMap,
tupleLocalMap,
defaultNamespaceName,
containingScopes.GetLocalNames(),
constantsBuilder.ToImmutableAndFree(),
reuseSpan));
}
catch (InvalidOperationException)
{
// bad CDI, ignore
return(None);
}
finally
{
allScopes.Free();
containingScopes.Free();
}
}
public int StopDebuggingPE()
{
try
{
log.Write("Exit Debug Mode: project '{0}'", _vsProject.DisplayName);
Debug.Assert(s_breakStateEnteredProjects.Count == 0);
// Clear the solution stored while projects were entering break mode.
// It should be cleared as soon as all tracked projects enter the break mode
// but if the entering break mode fails for some projects we should avoid leaking the solution.
Debug.Assert(s_breakStateEntrySolution == null);
s_breakStateEntrySolution = null;
// EnC service is global (per solution), but the debugger calls this for each project.
// Avoid ending the debug session if it has already been ended.
if (_encService.DebuggingSession != null)
{
_encService.OnBeforeDebuggingStateChanged(DebuggingState.Run, DebuggingState.Design);
_encService.EndDebuggingSession();
LogEncSession();
s_encDebuggingSessionInfo = null;
s_readOnlyDocumentTracker.Dispose();
s_readOnlyDocumentTracker = null;
}
if (_metadata != null)
{
_metadata.Dispose();
_metadata = null;
s_debugStateProjectCount--;
}
else
{
// an error might have been reported:
var errorId = new EncErrorId(_encService.DebuggingSession, EditAndContinueDiagnosticUpdateSource.DebuggerErrorId);
_diagnosticProvider.ClearDiagnostics(errorId, _vsProject.Workspace.CurrentSolution, _vsProject.Id, documentIdOpt: null);
}
_activeMethods = null;
_exceptionRegions = null;
_committedBaseline = null;
_activeStatementIds = null;
_projectBeingEmitted = null;
Debug.Assert((_pdbReaderObjAsStream == IntPtr.Zero) || (_pdbReader == null));
if (_pdbReader != null)
{
Marshal.ReleaseComObject(_pdbReader);
_pdbReader = null;
}
// The HResult is ignored by the debugger.
return VSConstants.S_OK;
}
catch (Exception e) when (FatalError.ReportWithoutCrash(e))
{
return VSConstants.E_FAIL;
}
}
private EditAndContinueMethodDebugInformation GetBaselineEncDebugInfo(MethodDefinitionHandle methodHandle)
{
Debug.Assert(Thread.CurrentThread.GetApartmentState() == ApartmentState.MTA);
if (_pdbReader == null)
{
// Unmarshal the symbol reader (being marshalled cross thread from STA -> MTA).
Debug.Assert(_pdbReaderObjAsStream != IntPtr.Zero);
object pdbReaderObjMta;
int hr = NativeMethods.GetObjectForStream(_pdbReaderObjAsStream, out pdbReaderObjMta);
_pdbReaderObjAsStream = IntPtr.Zero;
if (hr != VSConstants.S_OK)
{
log.Write("Error unmarshaling object from stream.");
return default(EditAndContinueMethodDebugInformation);
}
_pdbReader = (ISymUnmanagedReader3)pdbReaderObjMta;
}
int methodToken = MetadataTokens.GetToken(methodHandle);
byte[] debugInfo = _pdbReader.GetCustomDebugInfoBytes(methodToken, methodVersion: 1);
if (debugInfo != null)
{
try
{
var localSlots = CustomDebugInfoReader.TryGetCustomDebugInfoRecord(debugInfo, CustomDebugInfoKind.EditAndContinueLocalSlotMap);
var lambdaMap = CustomDebugInfoReader.TryGetCustomDebugInfoRecord(debugInfo, CustomDebugInfoKind.EditAndContinueLambdaMap);
return EditAndContinueMethodDebugInformation.Create(localSlots, lambdaMap);
}
catch (Exception e) when (e is InvalidOperationException || e is InvalidDataException)
{
log.Write($"Error reading CDI of method 0x{methodToken:X8}: {e.Message}");
}
}
return default(EditAndContinueMethodDebugInformation);
}