internal CompilationDifference(
ImmutableArray <byte> metadata,
ImmutableArray <byte> il,
ImmutableArray <byte> pdb,
CompilationTestData testData,
EmitDifferenceResult result)
{
MetadataDelta = metadata;
ILDelta = il;
PdbDelta = pdb;
TestData = testData;
EmitResult = result;
}
public Deltas(
byte[] il,
byte[] metadata,
int[] updatedMethods,
MemoryStream pdb,
List <KeyValuePair <DocumentId, ImmutableArray <LineChange> > > lineEdits,
EmitDifferenceResult emitResult)
{
this.IL = new ILDelta(il);
this.Metadata = new MetadataDelta(metadata);
this.Pdb = new PdbDelta(pdb, updatedMethods);
this.EmitResult = emitResult;
this.LineEdits = lineEdits;
}
public CompilationDifference(
ImmutableArray <byte> metadata,
ImmutableArray <byte> il,
ImmutableArray <byte> pdb,
CompilationTestData testData,
EmitDifferenceResult result,
ImmutableArray <MethodDefinitionHandle> methodHandles)
{
MetadataDelta = metadata;
ILDelta = il;
PdbDelta = pdb;
TestData = testData;
EmitResult = result;
UpdatedMethods = methodHandles;
}
public CompilationDifference(
ImmutableArray <byte> metadata,
ImmutableArray <byte> il,
Stream pdbStream,
CompilationTestData testData,
EmitDifferenceResult result,
ImmutableArray <MethodDefinitionHandle> methodHandles)
{
this.MetadataDelta = metadata;
this.ILDelta = il;
this.PdbDelta = pdbStream;
this.TestData = testData;
this.EmitResult = result;
this.UpdatedMethods = methodHandles;
}
public CompilationDifference(
ImmutableArray <byte> metadata,
ImmutableArray <byte> il,
Stream pdbStream,
EmitBaseline nextGeneration,
CompilationTestData testData,
EmitDifferenceResult result,
ImmutableArray <uint> methodTokens)
{
this.MetadataDelta = metadata;
this.ILDelta = il;
this.PdbDelta = pdbStream;
this.NextGeneration = nextGeneration;
this.TestData = testData;
this.EmitResult = result;
this.UpdatedMethods = methodTokens;
}
public async Task <Deltas> EmitProjectDeltaAsync(Project project, EmitBaseline baseline, CancellationToken cancellationToken)
{
try
{
Debug.Assert(!_stoppedAtException);
var changes = await GetProjectChangesAsync(project, cancellationToken).ConfigureAwait(false);
var currentCompilation = await project.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
var allAddedSymbols = await GetAllAddedSymbols(cancellationToken).ConfigureAwait(false);
var pdbStream = new MemoryStream();
var updatedMethods = new List <MethodDefinitionHandle>();
using (var metadataStream = SerializableBytes.CreateWritableStream())
using (var ilStream = SerializableBytes.CreateWritableStream())
{
EmitDifferenceResult result = currentCompilation.EmitDifference(
baseline,
changes.SemanticEdits,
s => allAddedSymbols?.Contains(s) ?? false,
metadataStream,
ilStream,
pdbStream,
updatedMethods,
cancellationToken);
int[] updateMethodTokens = updatedMethods.Select(h => MetadataTokens.GetToken(h)).ToArray();
return(new Deltas(ilStream.ToArray(), metadataStream.ToArray(), updateMethodTokens, pdbStream, changes.LineChanges, result));
}
}
catch (Exception e) when(FatalError.ReportWithoutCrash(e))
{
// recover (cancel EnC)
return(null);
}
}
public static StringHandle[] GetUpdatedTypeDefNames(this MetadataReader reader, EmitDifferenceResult emitResult)
{
return(emitResult.UpdatedTypes.Select(handle => reader.GetTypeDefinition(handle).Name).ToArray());
}
public async Task <Deltas> EmitProjectDeltaAsync(Project project, EmitBaseline baseline, CancellationToken cancellationToken)
{
try
{
Debug.Assert(!_stoppedAtException);
var projectChanges = await GetProjectChangesAsync(project, cancellationToken).ConfigureAwait(false);
var currentCompilation = await project.GetCompilationAsync(cancellationToken).ConfigureAwait(false);
var allAddedSymbols = await GetAllAddedSymbolsAsync(project, cancellationToken).ConfigureAwait(false);
var baseActiveStatements = await BaseActiveStatements.GetValueAsync(cancellationToken).ConfigureAwait(false);
var baseActiveExceptionRegions = await BaseActiveExceptionRegions.GetValueAsync(cancellationToken).ConfigureAwait(false);
var pdbStream = new MemoryStream();
var updatedMethods = new List <MethodDefinitionHandle>();
using (var metadataStream = SerializableBytes.CreateWritableStream())
using (var ilStream = SerializableBytes.CreateWritableStream())
{
EmitDifferenceResult result = currentCompilation.EmitDifference(
baseline,
projectChanges.SemanticEdits,
s => allAddedSymbols?.Contains(s) ?? false,
metadataStream,
ilStream,
pdbStream,
updatedMethods,
cancellationToken);
int[] updatedMethodTokens = updatedMethods.Select(h => MetadataTokens.GetToken(h)).ToArray();
// Determine all active statements whose span changed and exception region span deltas.
GetActiveStatementAndExceptionRegionSpans(
baseline.OriginalMetadata.GetModuleVersionId(),
baseActiveStatements,
baseActiveExceptionRegions,
updatedMethodTokens,
_nonRemappableRegions,
projectChanges.NewActiveStatements,
out var activeStatementsInUpdatedMethods,
out var nonRemappableRegions);
return(new Deltas(
ilStream.ToArray(),
metadataStream.ToArray(),
pdbStream,
updatedMethodTokens,
projectChanges.LineChanges,
nonRemappableRegions,
activeStatementsInUpdatedMethods,
result));
}
}
catch (Exception e) when(FatalError.ReportWithoutCrashAndPropagate(e))
{
throw ExceptionUtilities.Unreachable;
}
}