public static SymbolReader TryCreate(PdbReaderContext pdbContext, DataReaderFactory pdbStream, bool isEmbeddedPortablePdb)
{
bool disposePdbStream = true;
try {
if (!pdbContext.HasDebugInfo)
{
return(null);
}
if (pdbStream == null)
{
return(null);
}
if (pdbStream.Length < 4)
{
return(null);
}
if (pdbStream.CreateReader().ReadUInt32() != 0x424A5342)
{
return(null);
}
var debugDir = pdbContext.CodeViewDebugDirectory;
if (debugDir == null)
{
return(null);
}
if (debugDir.MinorVersion != DDW.PortablePdbConstants.PortableCodeViewVersionMagic)
{
return(null);
}
bool validFormatVersion = debugDir.MajorVersion == DDW.PortablePdbConstants.FormatVersion;
Debug.Assert(validFormatVersion, $"New Portable PDB version: 0x{debugDir.MajorVersion:X4}");
if (!validFormatVersion)
{
return(null);
}
if (!pdbContext.TryGetCodeViewData(out var pdbGuid, out uint age))
{
return(null);
}
var reader = new PortablePdbReader(pdbStream, isEmbeddedPortablePdb ? PdbFileKind.EmbeddedPortablePDB : PdbFileKind.PortablePDB);
if (!reader.MatchesModule(pdbGuid, debugDir.TimeDateStamp, age))
{
return(null);
}
disposePdbStream = false;
return(reader);
}
catch (IOException) {
}
finally {
if (disposePdbStream)
{
pdbStream?.Dispose();
}
}
return(null);
}
public SymbolMethodImpl(PortablePdbReader reader, int token, SymbolScope rootScope, SymbolSequencePoint[] sequencePoints, int kickoffMethod)
{
this.reader = reader;
this.token = token;
this.rootScope = rootScope;
this.sequencePoints = sequencePoints;
this.kickoffMethod = kickoffMethod;
}
public SymbolScopeImpl(PortablePdbReader owner, SymbolScopeImpl parent, int startOffset, int endOffset, PdbCustomDebugInfo[] customDebugInfos)
{
this.owner = owner;
method = null;
this.parent = parent;
this.startOffset = startOffset;
this.endOffset = endOffset;
childrenList = new List <SymbolScope>();
localsList = new List <SymbolVariable>();
this.customDebugInfos = customDebugInfos;
}
public static SymbolReader TryCreate(PdbReaderContext pdbContext, DataReaderFactory pdbStream, bool isEmbeddedPortablePdb)
{
bool disposePdbStream = true;
try {
if (!pdbContext.HasDebugInfo)
{
return(null);
}
if (pdbStream == null)
{
return(null);
}
if (pdbStream.Length < 4)
{
return(null);
}
if (pdbStream.CreateReader().ReadUInt32() != 0x424A5342)
{
return(null);
}
var debugDir = pdbContext.CodeViewDebugDirectory;
if (debugDir == null)
{
return(null);
}
// Don't check that debugDir.MinorVersion == PortablePdbConstants.PortableCodeViewVersionMagic
// and debugDir.MajorVersion == PortablePdbConstants.FormatVersion since it could be a converted
// WindowsPDB file: https://github.com/dotnet/corefx/blob/master/src/System.Reflection.Metadata/specs/PE-COFF.md#codeview-debug-directory-entry-type-2
if (!pdbContext.TryGetCodeViewData(out var pdbGuid, out uint age))
{
return(null);
}
var reader = new PortablePdbReader(pdbStream, isEmbeddedPortablePdb ? PdbFileKind.EmbeddedPortablePDB : PdbFileKind.PortablePDB);
if (!reader.MatchesModule(pdbGuid, debugDir.TimeDateStamp, age))
{
return(null);
}
disposePdbStream = false;
return(reader);
}
catch (IOException) {
}
finally {
if (disposePdbStream)
{
pdbStream?.Dispose();
}
}
return(null);
}
