internal static EmitDifferenceResult EmitDifference(
CSharpCompilation compilation,
EmitBaseline baseline,
IEnumerable<SemanticEdit> edits,
Func<ISymbol, bool> isAddedSymbol,
Stream metadataStream,
Stream ilStream,
Stream pdbStream,
ICollection<MethodDefinitionHandle> updatedMethods,
CompilationTestData testData,
CancellationToken cancellationToken)
{
Guid moduleVersionId;
try
{
moduleVersionId = baseline.OriginalMetadata.GetModuleVersionId();
}
catch (BadImageFormatException)
{
// TODO:
// return MakeEmitResult(success: false, diagnostics: ..., baseline: null);
throw;
}
var pdbName = FileNameUtilities.ChangeExtension(compilation.SourceModule.Name, "pdb");
var diagnostics = DiagnosticBag.GetInstance();
var emitOptions = EmitOptions.Default;
string runtimeMDVersion = compilation.GetRuntimeMetadataVersion(emitOptions, diagnostics);
var serializationProperties = compilation.ConstructModuleSerializationProperties(emitOptions, runtimeMDVersion, moduleVersionId);
var manifestResources = SpecializedCollections.EmptyEnumerable<ResourceDescription>();
var moduleBeingBuilt = new PEDeltaAssemblyBuilder(
compilation.SourceAssembly,
emitOptions: emitOptions,
outputKind: compilation.Options.OutputKind,
serializationProperties: serializationProperties,
manifestResources: manifestResources,
previousGeneration: baseline,
edits: edits,
isAddedSymbol: isAddedSymbol);
if (testData != null)
{
moduleBeingBuilt.SetMethodTestData(testData.Methods);
testData.Module = moduleBeingBuilt;
}
baseline = moduleBeingBuilt.PreviousGeneration;
var definitionMap = moduleBeingBuilt.PreviousDefinitions;
var changes = moduleBeingBuilt.Changes;
if (compilation.Compile(
moduleBeingBuilt,
win32Resources: null,
xmlDocStream: null,
generateDebugInfo: true,
diagnostics: diagnostics,
filterOpt: changes.RequiresCompilation,
cancellationToken: cancellationToken))
{
// Map the definitions from the previous compilation to the current compilation.
// This must be done after compiling above since synthesized definitions
// (generated when compiling method bodies) may be required.
baseline = MapToCompilation(compilation, moduleBeingBuilt);
using (var pdbWriter = new Cci.PdbWriter(pdbName, pdbStream, (testData != null) ? testData.SymWriterFactory : null))
{
var context = new EmitContext(moduleBeingBuilt, null, diagnostics);
var encId = Guid.NewGuid();
try
{
var writer = new DeltaMetadataWriter(
context,
compilation.MessageProvider,
baseline,
encId,
definitionMap,
changes,
cancellationToken);
Cci.MetadataSizes metadataSizes;
writer.WriteMetadataAndIL(pdbWriter, metadataStream, ilStream, out metadataSizes);
writer.GetMethodTokens(updatedMethods);
bool hasErrors = diagnostics.HasAnyErrors();
return new EmitDifferenceResult(
success: !hasErrors,
diagnostics: diagnostics.ToReadOnlyAndFree(),
baseline: hasErrors ? null : writer.GetDelta(baseline, compilation, encId, metadataSizes));
}
catch (Cci.PdbWritingException e)
{
diagnostics.Add(ErrorCode.FTL_DebugEmitFailure, Location.None, e.Message);
}
catch (PermissionSetFileReadException e)
{
diagnostics.Add(ErrorCode.ERR_PermissionSetAttributeFileReadError, Location.None, e.FileName, e.PropertyName, e.Message);
}
}
}
return new EmitDifferenceResult(success: false, diagnostics: diagnostics.ToReadOnlyAndFree(), baseline: null);
}
internal static EmitDifferenceResult EmitDifference(
CSharpCompilation compilation,
EmitBaseline baseline,
IEnumerable <SemanticEdit> edits,
Func <ISymbol, bool> isAddedSymbol,
Stream metadataStream,
Stream ilStream,
Stream pdbStream,
ICollection <MethodDefinitionHandle> updatedMethods,
CompilationTestData testData,
CancellationToken cancellationToken)
{
Guid moduleVersionId;
try
{
moduleVersionId = baseline.OriginalMetadata.GetModuleVersionId();
}
catch (BadImageFormatException)
{
// TODO:
// return MakeEmitResult(success: false, diagnostics: ..., baseline: null);
throw;
}
var pdbName = FileNameUtilities.ChangeExtension(compilation.SourceModule.Name, "pdb");
var diagnostics = DiagnosticBag.GetInstance();
var emitOptions = EmitOptions.Default;
string runtimeMDVersion = compilation.GetRuntimeMetadataVersion(emitOptions, diagnostics);
var serializationProperties = compilation.ConstructModuleSerializationProperties(emitOptions, runtimeMDVersion, moduleVersionId);
var manifestResources = SpecializedCollections.EmptyEnumerable <ResourceDescription>();
var moduleBeingBuilt = new PEDeltaAssemblyBuilder(
compilation.SourceAssembly,
emitOptions: emitOptions,
outputKind: compilation.Options.OutputKind,
serializationProperties: serializationProperties,
manifestResources: manifestResources,
previousGeneration: baseline,
edits: edits,
isAddedSymbol: isAddedSymbol);
if (testData != null)
{
moduleBeingBuilt.SetMethodTestData(testData.Methods);
testData.Module = moduleBeingBuilt;
}
baseline = moduleBeingBuilt.PreviousGeneration;
var definitionMap = moduleBeingBuilt.PreviousDefinitions;
var changes = moduleBeingBuilt.Changes;
if (compilation.Compile(
moduleBeingBuilt,
win32Resources: null,
xmlDocStream: null,
generateDebugInfo: true,
diagnostics: diagnostics,
filterOpt: changes.RequiresCompilation,
cancellationToken: cancellationToken))
{
// Map the definitions from the previous compilation to the current compilation.
// This must be done after compiling above since synthesized definitions
// (generated when compiling method bodies) may be required.
baseline = MapToCompilation(compilation, moduleBeingBuilt);
var pdbOutputInfo = new Cci.PdbOutputInfo(pdbName, pdbStream);
using (var pdbWriter = new Cci.PdbWriter(pdbOutputInfo, (testData != null) ? testData.SymWriterFactory : null))
{
var context = new EmitContext(moduleBeingBuilt, null, diagnostics);
var encId = Guid.NewGuid();
try
{
var writer = new DeltaMetadataWriter(
context,
compilation.MessageProvider,
baseline,
encId,
definitionMap,
changes,
cancellationToken);
Cci.MetadataSizes metadataSizes;
writer.WriteMetadataAndIL(pdbWriter, metadataStream, ilStream, out metadataSizes);
writer.GetMethodTokens(updatedMethods);
bool hasErrors = diagnostics.HasAnyErrors();
return(new EmitDifferenceResult(
success: !hasErrors,
diagnostics: diagnostics.ToReadOnlyAndFree(),
baseline: hasErrors ? null : writer.GetDelta(baseline, compilation, encId, metadataSizes)));
}
catch (Cci.PdbWritingException e)
{
diagnostics.Add(ErrorCode.FTL_DebugEmitFailure, Location.None, e.Message);
}
catch (PermissionSetFileReadException e)
{
diagnostics.Add(ErrorCode.ERR_PermissionSetAttributeFileReadError, Location.None, e.FileName, e.PropertyName, e.Message);
}
}
}
return(new EmitDifferenceResult(success: false, diagnostics: diagnostics.ToReadOnlyAndFree(), baseline: null));
}
