private static VisualBasicCompilationOptions CreateVisualBasicCompilationOptions(string assemblyFileName, CompilationOptionsReader optionsReader) { var pdbCompilationOptions = optionsReader.GetMetadataCompilationOptions(); var langVersionString = pdbCompilationOptions.GetUniqueOption(CompilationOptionNames.LanguageVersion); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Optimization, out var optimization); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Platform, out var platform); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.GlobalNamespaces, out var globalNamespacesString); IEnumerable <GlobalImport>?globalImports = null; if (!string.IsNullOrEmpty(globalNamespacesString)) { globalImports = GlobalImport.Parse(globalNamespacesString.Split(';')); } VB.LanguageVersion langVersion = default; VB.LanguageVersionFacts.TryParse(langVersionString, ref langVersion); IReadOnlyDictionary <string, object>?preprocessorSymbols = null; if (OptionToString(CompilationOptionNames.Define) is string defineString) { preprocessorSymbols = VisualBasicCommandLineParser.ParseConditionalCompilationSymbols(defineString, out var diagnostics); var diagnostic = diagnostics?.FirstOrDefault(x => x.IsUnsuppressedError); if (diagnostic is object) { throw new Exception($"Cannot create compilation options: {diagnostic}"); } } var parseOptions = VisualBasicParseOptions .Default .WithLanguageVersion(langVersion) .WithPreprocessorSymbols(preprocessorSymbols.ToImmutableArrayOrEmpty()); var(optimizationLevel, plus) = GetOptimizationLevel(optimization); var isChecked = OptionToBool(CompilationOptionNames.Checked) ?? true; var embedVBRuntime = OptionToBool(CompilationOptionNames.EmbedRuntime) ?? false; var rootNamespace = OptionToString(CompilationOptionNames.RootNamespace); var compilationOptions = new VisualBasicCompilationOptions( optionsReader.GetOutputKind(), moduleName: assemblyFileName, mainTypeName: optionsReader.GetMainTypeName(), scriptClassName: "Script", globalImports: globalImports, rootNamespace: rootNamespace, optionStrict: OptionToEnum <OptionStrict>(CompilationOptionNames.OptionStrict) ?? OptionStrict.Off, optionInfer: OptionToBool(CompilationOptionNames.OptionInfer) ?? false, optionExplicit: OptionToBool(CompilationOptionNames.OptionExplicit) ?? false, optionCompareText: OptionToBool(CompilationOptionNames.OptionCompareText) ?? false, parseOptions: parseOptions, embedVbCoreRuntime: embedVBRuntime, optimizationLevel: optimizationLevel, checkOverflow: isChecked, cryptoKeyContainer: null, cryptoKeyFile: null, cryptoPublicKey: optionsReader.GetPublicKey()?.ToImmutableArray() ?? default, delaySign: null, platform: GetPlatform(platform), generalDiagnosticOption: ReportDiagnostic.Default, specificDiagnosticOptions: null, concurrentBuild: true, deterministic: true, xmlReferenceResolver: null, sourceReferenceResolver: null, metadataReferenceResolver: null, assemblyIdentityComparer: null, strongNameProvider: null, publicSign: false, reportSuppressedDiagnostics: false, metadataImportOptions: MetadataImportOptions.Public); compilationOptions.DebugPlusMode = plus; return(compilationOptions); string?OptionToString(string option) => pdbCompilationOptions.TryGetUniqueOption(option, out var value) ? value : null; bool?OptionToBool(string option) => pdbCompilationOptions.TryGetUniqueOption(option, out var value) ? ToBool(value) : null; T?OptionToEnum <T>(string option) where T : struct => pdbCompilationOptions.TryGetUniqueOption(option, out var value) ? ToEnum <T>(value) : null;
private static (CSharpCompilationOptions, CSharpParseOptions) CreateCSharpCompilationOptions(string assemblyFileName, CompilationOptionsReader optionsReader) { var pdbCompilationOptions = optionsReader.GetMetadataCompilationOptions(); var langVersionString = pdbCompilationOptions.GetUniqueOption(CompilationOptionNames.LanguageVersion); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Optimization, out var optimization); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Platform, out var platform); // TODO: Check portability policy if needed // pdbCompilationOptions.TryGetValue("portability-policy", out var portabilityPolicyString); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Define, out var define); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Checked, out var checkedString); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Nullable, out var nullable); pdbCompilationOptions.TryGetUniqueOption(CompilationOptionNames.Unsafe, out var unsafeString); CS.LanguageVersionFacts.TryParse(langVersionString, out var langVersion); var preprocessorSymbols = define == null ? ImmutableArray <string> .Empty : define.Split(',').ToImmutableArray(); var parseOptions = CSharpParseOptions.Default.WithLanguageVersion(langVersion) .WithPreprocessorSymbols(preprocessorSymbols); var(optimizationLevel, plus) = GetOptimizationLevel(optimization); var nullableOptions = nullable is null ? NullableContextOptions.Disable : (NullableContextOptions)Enum.Parse(typeof(NullableContextOptions), nullable); var compilationOptions = new CSharpCompilationOptions( optionsReader.GetOutputKind(), reportSuppressedDiagnostics: false, moduleName: assemblyFileName, mainTypeName: optionsReader.GetMainTypeName(), scriptClassName: null, usings: null, optimizationLevel, !string.IsNullOrEmpty(checkedString) && bool.Parse(checkedString), !string.IsNullOrEmpty(unsafeString) && bool.Parse(unsafeString), cryptoKeyContainer: null, cryptoKeyFile: null, cryptoPublicKey: optionsReader.GetPublicKey()?.ToImmutableArray() ?? default, delaySign: null, GetPlatform(platform), // presence of diagnostics is expected to not affect emit. ReportDiagnostic.Suppress, warningLevel: 4, specificDiagnosticOptions: null, concurrentBuild: true, deterministic: true, xmlReferenceResolver: null, sourceReferenceResolver: null, metadataReferenceResolver: null, assemblyIdentityComparer: null, strongNameProvider: null, publicSign: false, metadataImportOptions: MetadataImportOptions.Public, nullableContextOptions: nullableOptions); compilationOptions.DebugPlusMode = plus; return(compilationOptions, parseOptions); }