public static ISymUnmanagedReader5 OpenDummySymReader(ImmutableArray <byte> pdbImage)
{
var symBinder = new SymBinder();
var metadataImportProvider = new DummyMetadataImportProvider();
var pdbStream = new MemoryStream();
pdbImage.WriteToStream(pdbStream);
var pdbStreamCom = SymUnmanagedStreamFactory.CreateStream(pdbStream);
if (
pdbImage.Length > 4 &&
pdbImage[0] == 'B' &&
pdbImage[1] == 'S' &&
pdbImage[2] == 'J' &&
pdbImage[3] == 'B'
)
{
var hr = symBinder.GetReaderFromPdbStream(
metadataImportProvider,
pdbStreamCom,
out var symReader
);
Assert.Equal(0, hr);
return((ISymUnmanagedReader5)symReader);
}
else
{
return(SymUnmanagedReaderFactory.CreateReader <ISymUnmanagedReader5>(
pdbStream,
new DummySymReaderMetadataProvider()
));
}
}
public static (ImmutableArray <byte> PEImage, ISymUnmanagedReader5 SymReader) EmitAndOpenDummySymReader(Compilation compilation, DebugInformationFormat pdbFormat)
{
var symBinder = new SymBinder();
var metadataImportProvider = new DummyMetadataImportProvider();
var pdbStream = new MemoryStream();
var peImage = compilation.EmitToArray(new EmitOptions(debugInformationFormat: pdbFormat), pdbStream: pdbStream);
pdbStream.Position = 0;
var pdbStreamCom = SymUnmanagedStreamFactory.CreateStream(pdbStream);
ISymUnmanagedReader5 symReader5;
if (pdbFormat == DebugInformationFormat.PortablePdb)
{
int hr = symBinder.GetReaderFromPdbStream(metadataImportProvider, pdbStreamCom, out var symReader);
Assert.Equal(0, hr);
symReader5 = (ISymUnmanagedReader5)symReader;
}
else
{
symReader5 = SymUnmanagedReaderFactory.CreateReader <ISymUnmanagedReader5>(pdbStream, new DummySymReaderMetadataProvider());
}
return(peImage, symReader5);
}
public void DebugInfo(DebugInformationFormat format)
{
var symBinder = new SymBinder();
var metadataImportProvider = new DummyMetadataImportProvider();
var source = @"
using System;
delegate void D();
class C
{
public static void Main()
{
int x = 1;
D d = () => Console.Write(x);
d();
}
}
";
var compilation = CSharpTestBase.CreateCompilationWithMscorlib40AndSystemCore(source, options: TestOptions.DebugDll);
var pdbStream = new MemoryStream();
compilation.EmitToArray(new EmitOptions(debugInformationFormat: format), pdbStream: pdbStream);
pdbStream.Position = 0;
var pdbStreamCom = SymUnmanagedStreamFactory.CreateStream(pdbStream);
ISymUnmanagedReader5 symReader5;
if (format == DebugInformationFormat.PortablePdb)
{
int hr = symBinder.GetReaderFromPdbStream(metadataImportProvider, pdbStreamCom, out var symReader);
Assert.Equal(0, hr);
symReader5 = (ISymUnmanagedReader5)symReader;
}
else
{
symReader5 = SymUnmanagedReaderFactory.CreateReader <ISymUnmanagedReader5>(pdbStream, new DummySymReaderMetadataProvider());
}
var reader = EditAndContinueMethodDebugInfoReader.Create(symReader5, version: 1);
// Main method
var debugInfo = reader.GetDebugInfo(MetadataTokens.MethodDefinitionHandle(5));
Assert.Equal(0, debugInfo.GetMethodOrdinal());
AssertEx.Equal(new[] { "Offset=0 Ordinal=0 Kind=LambdaDisplayClass", "Offset=33 Ordinal=0 Kind=UserDefined" }, debugInfo.InspectLocalSlots());
AssertEx.Equal(new[] { "Offset=43 Id=0#0 Closure=0" }, debugInfo.InspectLambdas());
AssertEx.Equal(new[] { "Offset=0 Id=0#0" }, debugInfo.InspectClosures());
var localSig = reader.GetLocalSignature(MetadataTokens.MethodDefinitionHandle(5));
Assert.Equal(MetadataTokens.StandaloneSignatureHandle(1), localSig);
// method without debug information:
debugInfo = reader.GetDebugInfo(MetadataTokens.MethodDefinitionHandle(1));
Assert.Equal(-1, debugInfo.GetMethodOrdinal());
Assert.Null(debugInfo.InspectLocalSlots());
Assert.Null(debugInfo.InspectLambdas());
Assert.Null(debugInfo.InspectClosures());
localSig = reader.GetLocalSignature(MetadataTokens.MethodDefinitionHandle(1));
Assert.Equal(default, localSig);