public unsafe int GetReaderForFile(
[MarshalAs(UnmanagedType.Interface)] object importer,
[MarshalAs(UnmanagedType.LPWStr)] string fileName,
[MarshalAs(UnmanagedType.LPWStr)] string searchPath,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
if (importer == null || string.IsNullOrEmpty(fileName))
{
reader = null;
return(HResult.E_INVALIDARG);
}
var metadataImport = importer as IMetadataImport;
if (metadataImport == null)
{
reader = null;
return(HResult.E_FAIL);
}
byte[] bytes;
try
{
// TODO: use memory mapped files?
bytes = PortableShim.File.ReadAllBytes(fileName);
}
catch
{
reader = null;
return(HResult.E_INVALIDARG);
}
reader = new SymReader(new PortablePdbReader(bytes, bytes.Length, metadataImport));
return(HResult.S_OK);
}
public int GetReaderFromStream(
[MarshalAs(UnmanagedType.Interface)] object importer,
[MarshalAs(UnmanagedType.Interface)] object stream,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
if (importer == null || stream == null)
{
reader = null;
return(HResult.E_INVALIDARG);
}
var metadataImport = importer as IMetadataImport;
if (metadataImport == null)
{
reader = null;
return(HResult.E_FAIL);
}
byte[] bytes;
int size;
ReadAllBytes((IStream)stream, out bytes, out size);
// TODO: use IUnsafeComStream (ComMemoryStream in tests)?
reader = new SymReader(new PortablePdbReader(bytes, size, metadataImport));
return(HResult.S_OK);
}
public unsafe int GetReaderForFile(
[MarshalAs(UnmanagedType.Interface)]object importer,
[MarshalAs(UnmanagedType.LPWStr)]string fileName,
[MarshalAs(UnmanagedType.LPWStr)]string searchPath,
[MarshalAs(UnmanagedType.Interface)]out ISymUnmanagedReader reader)
{
if (importer == null || string.IsNullOrEmpty(fileName))
{
reader = null;
return HResult.E_INVALIDARG;
}
var metadataImport = importer as IMetadataImport;
if (metadataImport == null)
{
reader = null;
return HResult.E_FAIL;
}
byte[] bytes;
try
{
// TODO: use memory mapped files?
bytes = PortableShim.File.ReadAllBytes(fileName);
}
catch
{
reader = null;
return HResult.E_INVALIDARG;
}
reader = new SymReader(new PortablePdbReader(bytes, bytes.Length, metadataImport));
return HResult.S_OK;
}
private bool TryCreateReaderForMatchingPdb(
string pdbFilePath,
Guid guid,
uint stamp,
int age,
LazyMetadataImport metadataImport,
out ISymUnmanagedReader reader)
{
try
{
if (PortableShim.File.Exists(pdbFilePath))
{
var symReader = SymReader.CreateFromFile(pdbFilePath, metadataImport);
reader = symReader;
return(symReader.PdbReader.MatchesModule(guid, stamp, age));
}
}
catch
{
// nop
}
reader = null;
return(false);
}
public int GetReaderFromStream(
[MarshalAs(UnmanagedType.Interface)]object importer,
[MarshalAs(UnmanagedType.Interface)]object stream,
[MarshalAs(UnmanagedType.Interface)]out ISymUnmanagedReader reader)
{
if (importer == null || stream == null)
{
reader = null;
return HResult.E_INVALIDARG;
}
var metadataImport = importer as IMetadataImport;
if (metadataImport == null)
{
reader = null;
return HResult.E_FAIL;
}
byte[] bytes;
int size;
ReadAllBytes((IStream)stream, out bytes, out size);
// TODO: use IUnsafeComStream (ComMemoryStream in tests)?
reader = new SymReader(new PortablePdbReader(bytes, size, metadataImport));
return HResult.S_OK;
}
public int GetReaderForFile(
[MarshalAs(UnmanagedType.Interface)] object importer,
[MarshalAs(UnmanagedType.LPWStr)] string fileName,
[MarshalAs(UnmanagedType.LPWStr)] string searchPath,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
var pdbReader = new PortablePdbReader(File.OpenRead(fileName), importer);
reader = new SymReader(pdbReader);
return(HResult.S_OK);
}
public int GetReaderFromPdbFile(
[MarshalAs(UnmanagedType.Interface)] IMetadataImportProvider metadataImportProvider,
[MarshalAs(UnmanagedType.LPWStr)] string pdbFilePath,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
if (metadataImportProvider == null || string.IsNullOrEmpty(pdbFilePath))
{
reader = null;
return(HResult.E_INVALIDARG);
}
reader = SymReader.CreateFromFile(pdbFilePath, new LazyMetadataImport(metadataImportProvider));
return(HResult.S_OK);
}
internal void Update(SymReader symReader, MetadataReader reader, int version, out ImmutableArray <MethodId> handleToIdMap)
{
if (_lazyInfos == null)
{
_lazyInfos = new List <MethodInfo>();
foreach (var handle in symReader.GetReader(version: 1).MetadataReader.MethodDebugInformation)
{
_lazyInfos.Add(new MethodInfo(handle, version: 1));
}
}
handleToIdMap = CreateHandleToIdMap(reader, _lazyInfos, version);
}
/// <summary>
/// Get the line information associated with <paramref name="offset"/>.
/// </summary>
/// <remarks>
/// If <paramref name="offset"/> is not a sequence point it is associated with the previous one.
/// <paramref name="sequencePointOffset"/> provides the associated sequence point.
/// </remarks>
public int GetLineFromOffset(
int offset,
out int startLine,
out int startColumn,
out int endLine,
out int endColumn,
out int sequencePointOffset)
{
if (offset < 0)
{
offset = int.MaxValue;
}
var candidate = default(SequencePoint);
int candidateIndex = -1;
int sequencePointIndex = 0;
foreach (var sp in GetSequencePoints())
{
if (sp.Offset <= offset)
{
candidate = sp;
candidateIndex = sequencePointIndex;
}
else if (sp.Offset > offset)
{
break;
}
sequencePointIndex++;
}
if (candidateIndex < 0)
{
startLine = startColumn = endLine = endColumn = sequencePointOffset = 0;
return(HResult.E_FAIL);
}
int delta = !candidate.IsHidden && SymReader.TryGetLineDeltas(GetId(), out var deltas) ?
deltas.GetDeltaForSequencePoint(candidateIndex) : 0;
startLine = candidate.StartLine + delta;
startColumn = candidate.StartColumn;
endLine = candidate.EndLine + delta;
endColumn = candidate.EndColumn;
sequencePointOffset = candidate.Offset;
return(HResult.S_OK);
}
public int GetReaderFromPdbStream(
[MarshalAs(UnmanagedType.Interface)] IMetadataImportProvider metadataImportProvider,
[MarshalAs(UnmanagedType.Interface)] object stream,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
IStream comStream = stream as IStream;
if (metadataImportProvider == null || comStream == null)
{
reader = null;
return(HResult.E_INVALIDARG);
}
reader = SymReader.CreateFromStream(comStream, new LazyMetadataImport(metadataImportProvider));
return(HResult.S_OK);
}
public int GetReaderFromPdbStream(
[MarshalAs(UnmanagedType.Interface)] IMetadataImportProvider metadataImportProvider,
[MarshalAs(UnmanagedType.Interface)] object stream,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
var comStream = stream as IStream ??
throw new ArgumentException(null, nameof(stream));
if (metadataImportProvider == null)
{
throw new ArgumentException(null, nameof(metadataImportProvider));
}
reader = SymReader.CreateFromStream(comStream, new LazyMetadataImport(metadataImportProvider));
return(HResult.S_OK);
}
public int GetReaderFromPdbFile(
[MarshalAs(UnmanagedType.Interface)] IMetadataImportProvider metadataImportProvider,
[MarshalAs(UnmanagedType.LPWStr)] string pdbFilePath,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
if (metadataImportProvider == null)
{
throw new ArgumentException(null, nameof(metadataImportProvider));
}
if (string.IsNullOrEmpty(pdbFilePath))
{
throw new ArgumentException(null, nameof(pdbFilePath));
}
reader = SymReader.CreateFromFile(pdbFilePath, new LazyMetadataImport(metadataImportProvider));
return(HResult.S_OK);
}
public int GetReaderFromStream(
[MarshalAs(UnmanagedType.Interface)] object metadataImport,
[MarshalAs(UnmanagedType.Interface)] object stream,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
reader = null;
try
{
var comStream = stream as IStream ?? throw new ArgumentNullException(null, nameof(stream));
var mdImport = MetadataImport.FromObject(metadataImport) ?? throw new ArgumentException(null, nameof(metadataImport));
reader = SymReader.CreateFromStream(comStream, new LazyMetadataImport(mdImport));
return(HResult.S_OK);
}
finally
{
InteropUtilities.TransferOwnershipOrRelease(ref metadataImport, reader);
}
}
internal int GetMethodSourceExtentInDocument(ISymUnmanagedDocument document, SymMethod method, out int startLine, out int endLine)
{
var symDocument = SymReader.AsSymDocument(document);
if (symDocument == null)
{
startLine = endLine = 0;
return(HResult.E_INVALIDARG);
}
var methodExtents = SymReader.GetMethodExtents();
if (!methodExtents.TryGetMethodSourceExtent(symDocument.GetId(), method.GetId(), out startLine, out endLine))
{
startLine = endLine = 0;
return(HResult.E_FAIL);
}
return(HResult.S_OK);
}
private bool TryCreateReaderForMatchingPdb(
string pdbFilePath,
Guid guid,
uint stamp,
int age,
LazyMetadataImport metadataImport,
out ISymUnmanagedReader reader)
{
if (PortableShim.File.Exists(pdbFilePath))
{
SymReader symReader;
try
{
symReader = SymReader.CreateFromFile(pdbFilePath, metadataImport);
}
catch
{
reader = null;
return(false);
}
try
{
if (symReader.PdbReader.MatchesModule(guid, stamp, age))
{
reader = symReader;
symReader = null;
return(true);
}
}
finally
{
symReader?.Destroy();
}
}
reader = null;
return(false);
}
private bool TryCreateReaderForMatchingPdb(
string pdbFilePath,
Guid guid,
uint stamp,
int age,
LazyMetadataImport metadataImport,
out ISymUnmanagedReader reader)
{
if (PortableShim.File.Exists(pdbFilePath))
{
PortablePdbReader pdbReader;
try
{
pdbReader = new PortablePdbReader(SymReader.CreateProviderFromFile(pdbFilePath), version: 1, previousDocumentCount: 0);
}
catch
{
reader = null;
return(false);
}
try
{
if (pdbReader.MatchesModule(guid, stamp, age))
{
reader = new SymReader(pdbReader, metadataImport);
pdbReader = null;
return(true);
}
}
finally
{
pdbReader?.Dispose();
}
}
reader = null;
return(false);
}
public int GetReaderFromStream(
[MarshalAs(UnmanagedType.Interface)] object metadataImport,
[MarshalAs(UnmanagedType.Interface)] object stream,
[MarshalAs(UnmanagedType.Interface)] out ISymUnmanagedReader reader)
{
reader = null;
try
{
IStream comStream = stream as IStream;
var mdImport = metadataImport as IMetadataImport;
if (mdImport == null || comStream == null)
{
return(HResult.E_INVALIDARG);
}
reader = SymReader.CreateFromStream(comStream, new LazyMetadataImport(mdImport));
return(HResult.S_OK);
}
finally
{
InteropUtilities.TransferOwnershipOrRelease(ref metadataImport, reader);
}
}
internal SymMethod(SymReader symReader, MethodDebugInformationHandle handle)
{
Debug.Assert(symReader != null);
SymReader = symReader;
DebugHandle = handle;
}
internal SymConstant(SymReader symReader, LocalConstantHandle handle)
{
Debug.Assert(symReader != null);
_symReader = symReader;
_handle = handle;
}
internal SymConstant(SymReader symReader, LocalConstantHandle handle)
{
Debug.Assert(symReader != null);
_symReader = symReader;
_handle = handle;
}
/// <summary>
/// Get the smallest start line and largest end line, for the method, in a specific document.
/// </summary>
public int GetSourceExtentInDocument(ISymUnmanagedDocument document, out int startLine, out int endLine)
{
return(SymReader.GetMethodSourceExtentInDocument(document, this, out startLine, out endLine));
}
internal SymMethod(SymReader symReader, MethodDefinitionHandle handle)
{
Debug.Assert(symReader != null);
_symReader = symReader;
_handle = handle;
}
internal SymDocument(SymReader symReader, DocumentHandle documentHandle)
{
Debug.Assert(symReader != null);
_symReader = symReader;
_handle = documentHandle;
}
internal SymDocument(SymReader symReader, DocumentHandle documentHandle)
{
Debug.Assert(symReader != null);
SymReader = symReader;
Handle = documentHandle;
}
internal SymMethod(SymReader symReader, MethodBodyHandle handle)
{
Debug.Assert(symReader != null);
SymReader = symReader;
BodyHandle = handle;
}