private void SerializeNamespaceScopeMetadata(EmitContext context, IMethodBody methodBody, ArrayBuilder <BlobBuilder> customDebugInfo)
{
if (context.Module.GenerateVisualBasicStylePdb)
{
return;
}
if (ShouldForwardToPreviousMethodWithUsingInfo(context, methodBody))
{
Debug.Assert(!ReferenceEquals(_previousMethodBodyWithUsingInfo, methodBody));
SerializeReferenceToPreviousMethodWithUsingInfo(customDebugInfo);
return;
}
List <ushort> usingCounts = new List <ushort>();
var cmw = new BlobBuilder();
for (IImportScope scope = methodBody.ImportScope; scope != null; scope = scope.Parent)
{
usingCounts.Add((ushort)scope.GetUsedNamespaces().Length);
}
// ACASEY: This originally wrote (uint)12, (ushort)1, (ushort)0 in the
// case where usingCounts was empty, but I'm not sure why.
if (usingCounts.Count > 0)
{
uint streamLength;
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindUsingInfo);
cmw.Align(4);
cmw.WriteUInt32(streamLength = BitArithmeticUtilities.Align((uint)usingCounts.Count * 2 + 10, 4));
cmw.WriteUInt16((ushort)usingCounts.Count);
foreach (ushort uc in usingCounts)
{
cmw.WriteUInt16(uc);
}
cmw.Align(4);
Debug.Assert(streamLength == cmw.Count);
customDebugInfo.Add(cmw);
}
if (_methodBodyWithModuleInfo != null && !ReferenceEquals(_methodBodyWithModuleInfo, methodBody))
{
SerializeReferenceToMethodWithModuleInfo(customDebugInfo);
}
}
public void WriteData(BlobBuilder resourceWriter)
{
if (_fileReference == null)
{
try
{
using (Stream stream = _streamProvider())
{
if (stream == null)
{
throw new InvalidOperationException(CodeAnalysisResources.ResourceStreamProviderShouldReturnNonNullStream);
}
var count = (int)(stream.Length - stream.Position);
resourceWriter.WriteInt32(count);
int bytesWritten = resourceWriter.TryWriteBytes(stream, count);
if (bytesWritten != count)
{
throw new EndOfStreamException(
string.Format(CultureInfo.CurrentUICulture, CodeAnalysisResources.ResourceStreamEndedUnexpectedly, bytesWritten, count));
}
resourceWriter.Align(8);
}
}
catch (Exception e)
{
throw new ResourceException(_name, e);
}
}
}
public void WriteData(BlobBuilder resourceWriter)
{
if (_fileReference == null)
{
try
{
using (Stream stream = _streamProvider())
{
if (stream == null)
{
throw new InvalidOperationException(CodeAnalysisResources.ResourceStreamProviderShouldReturnNonNullStream);
}
var count = (int)(stream.Length - stream.Position);
resourceWriter.WriteInt32(count);
resourceWriter.Write(stream, count);
resourceWriter.Align(8);
}
}
catch (Exception e)
{
throw new ResourceException(_name, e);
}
}
}
private static void SerializeStateMachineLocalScopes(IMethodBody methodBody, ArrayBuilder <BlobBuilder> customDebugInfo)
{
var scopes = methodBody.StateMachineHoistedLocalScopes;
if (scopes.IsDefaultOrEmpty)
{
return;
}
uint numberOfScopes = (uint)scopes.Length;
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindStateMachineHoistedLocalScopes);
cmw.Align(4);
cmw.WriteUInt32(12 + numberOfScopes * 8);
cmw.WriteUInt32(numberOfScopes);
foreach (var scope in scopes)
{
if (scope.IsDefault)
{
cmw.WriteUInt32(0);
cmw.WriteUInt32(0);
}
else
{
// Dev12 C# emits end-inclusive range
cmw.WriteUInt32((uint)scope.StartOffset);
cmw.WriteUInt32((uint)scope.EndOffset - 1);
}
}
customDebugInfo.Add(cmw);
}
public void WriteData(BlobBuilder resourceWriter)
{
if (_fileReference == null)
{
try
{
using (Stream stream = _streamProvider())
{
if (stream == null)
{
throw new InvalidOperationException(CodeAnalysisResources.ResourceStreamProviderShouldReturnNonNullStream);
}
int count = (int)(stream.Length - stream.Position);
resourceWriter.WriteInt32(count);
int bytesWritten = resourceWriter.TryWriteBytes(stream, count);
if (bytesWritten != count)
{
throw new EndOfStreamException(
string.Format(CultureInfo.CurrentUICulture, CodeAnalysisResources.ResourceStreamEndedUnexpectedly, bytesWritten, count));
}
resourceWriter.Align(8);
}
}
catch (Exception e)
{
throw new ResourceException(_name, e);
}
}
}
public void WriteData(BlobBuilder resourceWriter)
{
if (_fileReference == null)
{
try
{
#nullable disable // Can '_streamProvider' be null? https://github.com/dotnet/roslyn/issues/39166
using (Stream stream = _streamProvider())
#nullable enable
{
if (stream == null)
{
throw new InvalidOperationException(CodeAnalysisResources.ResourceStreamProviderShouldReturnNonNullStream);
}
var count = (int)(stream.Length - stream.Position);
resourceWriter.WriteInt32(count);
int bytesWritten = resourceWriter.TryWriteBytes(stream, count);
if (bytesWritten != count)
{
throw new EndOfStreamException(
string.Format(CultureInfo.CurrentUICulture, CodeAnalysisResources.ResourceStreamEndedUnexpectedly, bytesWritten, count));
}
resourceWriter.Align(8);
}
}
public void WriteData(BlobBuilder resourceWriter)
{
if (_fileReference == null)
{
try
{
using (Stream stream = _streamProvider())
{
if (stream == null)
{
throw new InvalidOperationException(CodeAnalysisResources.ResourceStreamProviderShouldReturnNonNullStream);
}
var count = (int)(stream.Length - stream.Position);
resourceWriter.WriteInt32(count);
resourceWriter.Write(stream, count);
resourceWriter.Align(8);
}
}
catch (Exception e)
{
throw new ResourceException(_name, e);
}
}
}
private void SerializeReferenceToPreviousMethodWithUsingInfo(ArrayBuilder <BlobBuilder> customDebugInfo)
{
BlobBuilder cmw = new BlobBuilder(12);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardInfo);
cmw.Align(4);
cmw.WriteUInt32(12);
cmw.WriteUInt32((uint)_previousMethodTokenWithUsingInfo);
customDebugInfo.Add(cmw);
}
private static void SerializeReferenceToIteratorClass(string iteratorClassName, ArrayBuilder <BlobBuilder> customDebugInfo)
{
if (iteratorClassName == null)
{
return;
}
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardIterator);
cmw.Align(4);
uint length = 10 + (uint)iteratorClassName.Length * 2;
if ((length & 3) != 0)
{
length += 4 - (length & 3);
}
cmw.WriteUInt32(length);
cmw.WriteUTF16(iteratorClassName);
cmw.WriteInt16(0);
cmw.Align(4);
Debug.Assert(cmw.Position == length);
customDebugInfo.Add(cmw);
}
// internal for testing
internal static byte[] SerializeCustomDebugMetadata(ArrayBuilder <BlobBuilder> recordWriters)
{
if (recordWriters.Count == 0)
{
return(null);
}
BlobBuilder cmw = BlobBuilder.GetInstance();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte((byte)recordWriters.Count); // count
cmw.Align(4);
foreach (BlobBuilder recordWriter in recordWriters)
{
recordWriter.WriteTo(cmw);
}
var result = cmw.ToArray();
cmw.Free();
return(result);
}
private static void SerializeReferenceToIteratorClass(string iteratorClassName, ArrayBuilder<BlobBuilder> customDebugInfo)
{
if (iteratorClassName == null) return;
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardIterator);
cmw.Align(4);
uint length = 10 + (uint)iteratorClassName.Length * 2;
if ((length & 3) != 0) length += 4 - (length & 3);
cmw.WriteUInt32(length);
cmw.WriteUTF16(iteratorClassName);
cmw.WriteInt16(0);
cmw.Align(4);
Debug.Assert(cmw.Position == length);
customDebugInfo.Add(cmw);
}
public static void SerializeWin32Resources(
BlobBuilder builder,
IEnumerable <IWin32Resource> theResources,
int resourcesRva
)
{
theResources = SortResources(theResources);
Directory typeDirectory = new Directory(string.Empty, 0);
Directory nameDirectory = null;
Directory languageDirectory = null;
int lastTypeID = int.MinValue;
string lastTypeName = null;
int lastID = int.MinValue;
string lastName = null;
uint sizeOfDirectoryTree = 16;
//EDMAURER note that this list is assumed to be sorted lowest to highest
//first by typeId, then by Id.
foreach (IWin32Resource r in theResources)
{
bool typeDifferent =
(r.TypeId < 0 && r.TypeName != lastTypeName) || r.TypeId > lastTypeID;
if (typeDifferent)
{
lastTypeID = r.TypeId;
lastTypeName = r.TypeName;
if (lastTypeID < 0)
{
Debug.Assert(
typeDirectory.NumberOfIdEntries == 0,
"Not all Win32 resources with types encoded as strings precede those encoded as ints"
);
typeDirectory.NumberOfNamedEntries++;
}
else
{
typeDirectory.NumberOfIdEntries++;
}
sizeOfDirectoryTree += 24;
typeDirectory.Entries.Add(
nameDirectory = new Directory(lastTypeName, lastTypeID)
);
}
if (typeDifferent || (r.Id < 0 && r.Name != lastName) || r.Id > lastID)
{
lastID = r.Id;
lastName = r.Name;
if (lastID < 0)
{
Debug.Assert(
nameDirectory.NumberOfIdEntries == 0,
"Not all Win32 resources with names encoded as strings precede those encoded as ints"
);
nameDirectory.NumberOfNamedEntries++;
}
else
{
nameDirectory.NumberOfIdEntries++;
}
sizeOfDirectoryTree += 24;
nameDirectory.Entries.Add(languageDirectory = new Directory(lastName, lastID));
}
languageDirectory.NumberOfIdEntries++;
sizeOfDirectoryTree += 8;
languageDirectory.Entries.Add(r);
}
var dataWriter = new BlobBuilder();
//'dataWriter' is where opaque resource data goes as well as strings that are used as type or name identifiers
WriteDirectory(
typeDirectory,
builder,
0,
0,
sizeOfDirectoryTree,
resourcesRva,
dataWriter
);
builder.LinkSuffix(dataWriter);
builder.WriteByte(0);
builder.Align(4);
}
private void WriteTextSection(
Stream peStream,
SectionHeader textSection,
int importTableRva,
int importAddressTableRva,
int entryPointToken,
BlobBuilder metadataWriter,
BlobBuilder ilWriter,
BlobBuilder mappedFieldDataWriter,
BlobBuilder managedResourceWriter,
MetadataSizes metadataSizes,
ContentId nativePdbContentId,
ContentId portablePdbContentId,
out long metadataPosition)
{
// TODO: zero out all bytes:
peStream.Position = textSection.PointerToRawData;
if (_properties.RequiresStartupStub)
{
WriteImportAddressTable(peStream, importTableRva);
}
var corHeader = CreateCorHeader(metadataSizes, textSection.RelativeVirtualAddress, entryPointToken);
WriteCorHeader(peStream, corHeader);
// IL:
ilWriter.Align(4);
ilWriter.WriteTo(peStream);
// metadata:
metadataPosition = peStream.Position;
Debug.Assert(metadataWriter.Length % 4 == 0);
metadataWriter.WriteTo(peStream);
// managed resources:
Debug.Assert(managedResourceWriter.Length % 4 == 0);
managedResourceWriter.WriteTo(peStream);
// strong name signature:
WriteSpaceForHash(peStream, metadataSizes.StrongNameSignatureSize);
if (EmitPdb)
{
WriteDebugTable(peStream, textSection, nativePdbContentId, portablePdbContentId, metadataSizes);
}
if (_properties.RequiresStartupStub)
{
WriteImportTable(peStream, importTableRva, importAddressTableRva);
WriteNameTable(peStream);
WriteRuntimeStartupStub(peStream, importAddressTableRva);
}
// mapped field data:
mappedFieldDataWriter.WriteTo(peStream);
// TODO: zero out all bytes:
int alignedPosition = textSection.PointerToRawData + textSection.SizeOfRawData;
if (peStream.Position != alignedPosition)
{
peStream.Position = alignedPosition - 1;
peStream.WriteByte(0);
}
}
public void WriteAlignPad()
{
var writer = new BlobBuilder(4);
writer.WriteByte(0x01);
writer.PadTo(2);
writer.WriteByte(0x02);
writer.Align(4);
writer.Align(4);
writer.WriteByte(0x03);
writer.Align(4);
writer.WriteByte(0x04);
writer.WriteByte(0x05);
writer.Align(8);
writer.WriteByte(0x06);
writer.Align(2);
writer.Align(1);
AssertEx.Equal(new byte[]
{
0x01, 0x00, 0x02, 0x00,
0x03, 0x00, 0x00, 0x00,
0x04, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x06, 0x00
}, writer.ToArray());
}
private static void SerializeDynamicLocalInfo(IMethodBody methodBody, ArrayBuilder<BlobBuilder> customDebugInfo)
{
if (!methodBody.HasDynamicLocalVariables)
{
return; //There are no dynamic locals
}
var dynamicLocals = ArrayBuilder<ILocalDefinition>.GetInstance();
foreach (ILocalDefinition local in methodBody.LocalVariables)
{
if (local.IsDynamic)
{
dynamicLocals.Add(local);
}
}
int dynamicVariableCount = dynamicLocals.Count;
foreach (var currentScope in methodBody.LocalScopes)
{
foreach (var localConstant in currentScope.Constants)
{
if (localConstant.IsDynamic)
{
dynamicLocals.Add(localConstant);
}
}
}
Debug.Assert(dynamicLocals.Any()); // There must be at least one dynamic local if this point is reached
const int blobSize = 200;//DynamicAttribute - 64, DynamicAttributeLength - 4, SlotIndex -4, IdentifierName - 128
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindDynamicLocals);
cmw.Align(4);
// size = Version,Kind + size + cBuckets + (dynamicCount * sizeOf(Local Blob))
cmw.WriteUInt32(4 + 4 + 4 + (uint)dynamicLocals.Count * blobSize);//Size of the Dynamic Block
cmw.WriteUInt32((uint)dynamicLocals.Count);
int localIndex = 0;
foreach (ILocalDefinition local in dynamicLocals)
{
if (local.Name.Length > 63)//Ignore and push empty information
{
cmw.WriteBytes(0, blobSize);
continue;
}
var dynamicTransformFlags = local.DynamicTransformFlags;
if (!dynamicTransformFlags.IsDefault && dynamicTransformFlags.Length <= 64)
{
byte[] flag = new byte[64];
for (int k = 0; k < dynamicTransformFlags.Length; k++)
{
if ((bool)dynamicTransformFlags[k].Value)
{
flag[k] = 1;
}
}
cmw.WriteBytes(flag); //Written Flag
cmw.WriteUInt32((uint)dynamicTransformFlags.Length); //Written Length
}
else
{
cmw.WriteBytes(0, 68); //Empty flag array and size.
}
if (localIndex < dynamicVariableCount)
{
// Dynamic variable
cmw.WriteUInt32((uint)local.SlotIndex);
}
else
{
// Dynamic constant
cmw.WriteUInt32(0);
}
char[] localName = new char[64];
local.Name.CopyTo(0, localName, 0, local.Name.Length);
cmw.WriteUTF16(localName);
localIndex++;
}
dynamicLocals.Free();
customDebugInfo.Add(cmw);
}
private void SerializeNamespaceScopeMetadata(EmitContext context, IMethodBody methodBody, ArrayBuilder<BlobBuilder> customDebugInfo)
{
if (context.Module.GenerateVisualBasicStylePdb)
{
return;
}
if (ShouldForwardToPreviousMethodWithUsingInfo(context, methodBody))
{
Debug.Assert(!ReferenceEquals(_previousMethodBodyWithUsingInfo, methodBody));
SerializeReferenceToPreviousMethodWithUsingInfo(customDebugInfo);
return;
}
List<ushort> usingCounts = new List<ushort>();
var cmw = new BlobBuilder();
for (IImportScope scope = methodBody.ImportScope; scope != null; scope = scope.Parent)
{
usingCounts.Add((ushort)scope.GetUsedNamespaces().Length);
}
// ACASEY: This originally wrote (uint)12, (ushort)1, (ushort)0 in the
// case where usingCounts was empty, but I'm not sure why.
if (usingCounts.Count > 0)
{
uint streamLength;
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindUsingInfo);
cmw.Align(4);
cmw.WriteUInt32(streamLength = BitArithmeticUtilities.Align((uint)usingCounts.Count * 2 + 10, 4));
cmw.WriteUInt16((ushort)usingCounts.Count);
foreach (ushort uc in usingCounts)
{
cmw.WriteUInt16(uc);
}
cmw.Align(4);
Debug.Assert(streamLength == cmw.Length);
customDebugInfo.Add(cmw);
}
if (_methodBodyWithModuleInfo != null && !ReferenceEquals(_methodBodyWithModuleInfo, methodBody))
{
SerializeReferenceToMethodWithModuleInfo(customDebugInfo);
}
}
private void SerializeReferenceToPreviousMethodWithUsingInfo(ArrayBuilder<BlobBuilder> customDebugInfo)
{
BlobBuilder cmw = new BlobBuilder(12);
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindForwardInfo);
cmw.Align(4);
cmw.WriteUInt32(12);
cmw.WriteUInt32((uint)_previousMethodTokenWithUsingInfo);
customDebugInfo.Add(cmw);
}
private void SerializeMetadataTables(
BlobBuilder writer,
MetadataSizes metadataSizes,
int methodBodyStreamRva,
int mappedFieldDataStreamRva)
{
int startPosition = writer.Position;
this.SerializeTablesHeader(writer, metadataSizes);
if (metadataSizes.IsPresent(TableIndex.Module))
{
SerializeModuleTable(writer, metadataSizes, _heaps);
}
if (metadataSizes.IsPresent(TableIndex.TypeRef))
{
this.SerializeTypeRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.TypeDef))
{
this.SerializeTypeDefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Field))
{
this.SerializeFieldTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodDef))
{
this.SerializeMethodDefTable(writer, metadataSizes, methodBodyStreamRva);
}
if (metadataSizes.IsPresent(TableIndex.Param))
{
this.SerializeParamTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.InterfaceImpl))
{
this.SerializeInterfaceImplTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MemberRef))
{
this.SerializeMemberRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Constant))
{
this.SerializeConstantTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.CustomAttribute))
{
this.SerializeCustomAttributeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.FieldMarshal))
{
this.SerializeFieldMarshalTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.DeclSecurity))
{
this.SerializeDeclSecurityTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ClassLayout))
{
this.SerializeClassLayoutTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.FieldLayout))
{
this.SerializeFieldLayoutTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.StandAloneSig))
{
this.SerializeStandAloneSigTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.EventMap))
{
this.SerializeEventMapTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Event))
{
this.SerializeEventTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.PropertyMap))
{
this.SerializePropertyMapTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.Property))
{
this.SerializePropertyTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodSemantics))
{
this.SerializeMethodSemanticsTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodImpl))
{
this.SerializeMethodImplTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ModuleRef))
{
this.SerializeModuleRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.TypeSpec))
{
this.SerializeTypeSpecTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ImplMap))
{
this.SerializeImplMapTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.FieldRva))
{
this.SerializeFieldRvaTable(writer, metadataSizes, mappedFieldDataStreamRva);
}
if (metadataSizes.IsPresent(TableIndex.EncLog))
{
this.SerializeEncLogTable(writer);
}
if (metadataSizes.IsPresent(TableIndex.EncMap))
{
this.SerializeEncMapTable(writer);
}
if (metadataSizes.IsPresent(TableIndex.Assembly))
{
this.SerializeAssemblyTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.AssemblyRef))
{
this.SerializeAssemblyRefTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.File))
{
this.SerializeFileTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ExportedType))
{
this.SerializeExportedTypeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ManifestResource))
{
this.SerializeManifestResourceTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.NestedClass))
{
this.SerializeNestedClassTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.GenericParam))
{
this.SerializeGenericParamTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodSpec))
{
this.SerializeMethodSpecTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.GenericParamConstraint))
{
this.SerializeGenericParamConstraintTable(writer, metadataSizes);
}
// debug tables
if (metadataSizes.IsPresent(TableIndex.Document))
{
this.SerializeDocumentTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.MethodDebugInformation))
{
this.SerializeMethodDebugInformationTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.LocalScope))
{
this.SerializeLocalScopeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.LocalVariable))
{
this.SerializeLocalVariableTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.LocalConstant))
{
this.SerializeLocalConstantTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.ImportScope))
{
this.SerializeImportScopeTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.StateMachineMethod))
{
this.SerializeStateMachineMethodTable(writer, metadataSizes);
}
if (metadataSizes.IsPresent(TableIndex.CustomDebugInformation))
{
this.SerializeCustomDebugInformationTable(writer, metadataSizes);
}
writer.WriteByte(0);
writer.Align(4);
int endPosition = writer.Position;
Debug.Assert(metadataSizes.MetadataTableStreamSize == endPosition - startPosition);
}
private static void SerializeStateMachineLocalScopes(IMethodBody methodBody, ArrayBuilder<BlobBuilder> customDebugInfo)
{
var scopes = methodBody.StateMachineHoistedLocalScopes;
if (scopes.IsDefaultOrEmpty)
{
return;
}
uint numberOfScopes = (uint)scopes.Length;
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindStateMachineHoistedLocalScopes);
cmw.Align(4);
cmw.WriteUInt32(12 + numberOfScopes * 8);
cmw.WriteUInt32(numberOfScopes);
foreach (var scope in scopes)
{
if (scope.IsDefault)
{
cmw.WriteUInt32(0);
cmw.WriteUInt32(0);
}
else
{
// Dev12 C# emits end-inclusive range
cmw.WriteUInt32((uint)scope.StartOffset);
cmw.WriteUInt32((uint)scope.EndOffset - 1);
}
}
customDebugInfo.Add(cmw);
}
private static void SerializeDynamicLocalInfo(IMethodBody methodBody, ArrayBuilder <BlobBuilder> customDebugInfo)
{
if (!methodBody.HasDynamicLocalVariables)
{
return; //There are no dynamic locals
}
var dynamicLocals = ArrayBuilder <ILocalDefinition> .GetInstance();
foreach (ILocalDefinition local in methodBody.LocalVariables)
{
if (local.IsDynamic)
{
dynamicLocals.Add(local);
}
}
int dynamicVariableCount = dynamicLocals.Count;
foreach (var currentScope in methodBody.LocalScopes)
{
foreach (var localConstant in currentScope.Constants)
{
if (localConstant.IsDynamic)
{
dynamicLocals.Add(localConstant);
}
}
}
Debug.Assert(dynamicLocals.Any()); // There must be at least one dynamic local if this point is reached
const int blobSize = 200; //DynamicAttribute - 64, DynamicAttributeLength - 4, SlotIndex -4, IdentifierName - 128
var cmw = new BlobBuilder();
cmw.WriteByte(CDI.CdiVersion);
cmw.WriteByte(CDI.CdiKindDynamicLocals);
cmw.Align(4);
// size = Version,Kind + size + cBuckets + (dynamicCount * sizeOf(Local Blob))
cmw.WriteUInt32(4 + 4 + 4 + (uint)dynamicLocals.Count * blobSize);//Size of the Dynamic Block
cmw.WriteUInt32((uint)dynamicLocals.Count);
int localIndex = 0;
foreach (ILocalDefinition local in dynamicLocals)
{
if (local.Name.Length > 63)//Ignore and push empty information
{
cmw.WriteBytes(0, blobSize);
continue;
}
var dynamicTransformFlags = local.DynamicTransformFlags;
if (!dynamicTransformFlags.IsDefault && dynamicTransformFlags.Length <= 64)
{
byte[] flag = new byte[64];
for (int k = 0; k < dynamicTransformFlags.Length; k++)
{
if ((bool)dynamicTransformFlags[k].Value)
{
flag[k] = 1;
}
}
cmw.WriteBytes(flag); //Written Flag
cmw.WriteUInt32((uint)dynamicTransformFlags.Length); //Written Length
}
else
{
cmw.WriteBytes(0, 68); //Empty flag array and size.
}
if (localIndex < dynamicVariableCount)
{
// Dynamic variable
cmw.WriteUInt32((uint)local.SlotIndex);
}
else
{
// Dynamic constant
cmw.WriteUInt32(0);
}
char[] localName = new char[64];
local.Name.CopyTo(0, localName, 0, local.Name.Length);
cmw.WriteUTF16(localName);
localIndex++;
}
dynamicLocals.Free();
customDebugInfo.Add(cmw);
}
