public PEDeltaAssemblyBuilder( SourceAssemblySymbol sourceAssembly, string outputName, OutputKind outputKind, ModulePropertiesForSerialization serializationProperties, IEnumerable <ResourceDescription> manifestResources, Func <AssemblySymbol, AssemblyIdentity> assemblySymbolMapper, EmitBaseline previousGeneration, IEnumerable <SemanticEdit> edits) : base(sourceAssembly, outputName, outputKind, serializationProperties, manifestResources, assemblySymbolMapper, additionalTypes: ImmutableArray <NamedTypeSymbol> .Empty, metadataOnly: false) { var context = new EmitContext(this, null, new DiagnosticBag()); var module = previousGeneration.OriginalMetadata; var compilation = sourceAssembly.DeclaringCompilation; var metadataAssembly = compilation.GetBoundReferenceManager().CreatePEAssemblyForAssemblyMetadata(AssemblyMetadata.Create(module), MetadataImportOptions.All); var metadataDecoder = new Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.MetadataDecoder(metadataAssembly.PrimaryModule); previousGeneration = EnsureInitialized(previousGeneration, metadataDecoder); var matchToMetadata = new CSharpSymbolMatcher(previousGeneration.AnonymousTypeMap, sourceAssembly, context, metadataAssembly); CSharpSymbolMatcher matchToPrevious = null; if (previousGeneration.Ordinal > 0) { var previousAssembly = ((CSharpCompilation)previousGeneration.Compilation).SourceAssembly; var previousContext = new EmitContext((PEModuleBuilder)previousGeneration.PEModuleBuilder, null, new DiagnosticBag()); matchToPrevious = new CSharpSymbolMatcher(previousGeneration.AnonymousTypeMap, sourceAssembly, context, previousAssembly, previousContext); } this.previousDefinitions = new CSharpDefinitionMap(previousGeneration.OriginalMetadata.Module, edits, metadataDecoder, matchToMetadata, matchToPrevious); this.previousGeneration = previousGeneration; this.changes = new SymbolChanges(this.previousDefinitions, edits); }
public PEDeltaAssemblyBuilder( SourceAssemblySymbol sourceAssembly, EmitOptions emitOptions, OutputKind outputKind, Cci.ModulePropertiesForSerialization serializationProperties, IEnumerable <ResourceDescription> manifestResources, EmitBaseline previousGeneration, IEnumerable <SemanticEdit> edits, Func <ISymbol, bool> isAddedSymbol) : base(sourceAssembly, emitOptions, outputKind, serializationProperties, manifestResources, additionalTypes: ImmutableArray <NamedTypeSymbol> .Empty) { var initialBaseline = previousGeneration.InitialBaseline; var context = new EmitContext(this, null, new DiagnosticBag(), metadataOnly: false, includePrivateMembers: true); // Hydrate symbols from initial metadata. Once we do so it is important to reuse these symbols across all generations, // in order for the symbol matcher to be able to use reference equality once it maps symbols to initial metadata. var metadataSymbols = GetOrCreateMetadataSymbols(initialBaseline, sourceAssembly.DeclaringCompilation); var metadataDecoder = (MetadataDecoder)metadataSymbols.MetadataDecoder; var metadataAssembly = (PEAssemblySymbol)metadataDecoder.ModuleSymbol.ContainingAssembly; var matchToMetadata = new CSharpSymbolMatcher(metadataSymbols.AnonymousTypes, metadataSymbols.SynthesizedDelegates, sourceAssembly, context, metadataAssembly); CSharpSymbolMatcher?matchToPrevious = null; if (previousGeneration.Ordinal > 0) { RoslynDebug.AssertNotNull(previousGeneration.Compilation); RoslynDebug.AssertNotNull(previousGeneration.PEModuleBuilder); var previousAssembly = ((CSharpCompilation)previousGeneration.Compilation).SourceAssembly; var previousContext = new EmitContext((PEModuleBuilder)previousGeneration.PEModuleBuilder, null, new DiagnosticBag(), metadataOnly: false, includePrivateMembers: true); matchToPrevious = new CSharpSymbolMatcher( previousGeneration.AnonymousTypeMap, previousGeneration.SynthesizedDelegates, sourceAssembly: sourceAssembly, sourceContext: context, otherAssembly: previousAssembly, otherContext: previousContext, otherSynthesizedMembersOpt: previousGeneration.SynthesizedMembers); } _previousDefinitions = new CSharpDefinitionMap(edits, metadataDecoder, matchToMetadata, matchToPrevious); _previousGeneration = previousGeneration; _changes = new CSharpSymbolChanges(_previousDefinitions, edits, isAddedSymbol); // Workaround for https://github.com/dotnet/roslyn/issues/3192. // When compiling state machine we stash types of awaiters and state-machine hoisted variables, // so that next generation can look variables up and reuse their slots if possible. // // When we are about to allocate a slot for a lifted variable while compiling the next generation // we map its type to the previous generation and then check the slot types that we stashed earlier. // If the variable type matches we reuse it. In order to compare the previous variable type with the current one // both need to be completely lowered (translated). Standard translation only goes one level deep. // Generic arguments are not translated until they are needed by metadata writer. // // In order to get the fully lowered form we run the type symbols of stashed variables through a deep translator // that translates the symbol recursively. _deepTranslator = new CSharpSymbolMatcher.DeepTranslator(sourceAssembly.GetSpecialType(SpecialType.System_Object)); }
public PEDeltaAssemblyBuilder( SourceAssemblySymbol sourceAssembly, EmitOptions emitOptions, OutputKind outputKind, ModulePropertiesForSerialization serializationProperties, IEnumerable <ResourceDescription> manifestResources, EmitBaseline previousGeneration, IEnumerable <SemanticEdit> edits, Func <ISymbol, bool> isAddedSymbol) : base(sourceAssembly, emitOptions, outputKind, serializationProperties, manifestResources, assemblySymbolMapper: null, additionalTypes: ImmutableArray <NamedTypeSymbol> .Empty) { var initialBaseline = previousGeneration.InitialBaseline; var context = new EmitContext(this, null, new DiagnosticBag()); var module = previousGeneration.OriginalMetadata; var compilation = sourceAssembly.DeclaringCompilation; var metadataAssembly = compilation.GetBoundReferenceManager().CreatePEAssemblyForAssemblyMetadata(AssemblyMetadata.Create(module), MetadataImportOptions.All); var metadataDecoder = new Symbols.Metadata.PE.MetadataDecoder(metadataAssembly.PrimaryModule); if (initialBaseline.LazyOriginalMetadataAnonymousTypeMap == null) { initialBaseline.LazyOriginalMetadataAnonymousTypeMap = GetAnonymousTypeMapFromMetadata(module.MetadataReader, metadataDecoder); } var matchToMetadata = new CSharpSymbolMatcher(initialBaseline.LazyOriginalMetadataAnonymousTypeMap, sourceAssembly, context, metadataAssembly); CSharpSymbolMatcher matchToPrevious = null; if (previousGeneration.Ordinal > 0) { var previousAssembly = ((CSharpCompilation)previousGeneration.Compilation).SourceAssembly; var previousContext = new EmitContext((PEModuleBuilder)previousGeneration.PEModuleBuilder, null, new DiagnosticBag()); matchToPrevious = new CSharpSymbolMatcher( previousGeneration.AnonymousTypeMap, sourceAssembly: sourceAssembly, sourceContext: context, otherAssembly: previousAssembly, otherContext: previousContext, otherSynthesizedMembersOpt: previousGeneration.SynthesizedMembers); } _previousDefinitions = new CSharpDefinitionMap(previousGeneration.OriginalMetadata.Module, edits, metadataDecoder, matchToMetadata, matchToPrevious); _previousGeneration = previousGeneration; _changes = new SymbolChanges(_previousDefinitions, edits, isAddedSymbol); }