public static string GenerateContract(ApiContractGenerator generator, string sourceCode, Microsoft.CodeAnalysis.VisualBasic.LanguageVersion languageVersion, IAssemblyReferenceResolver assemblyResolver = null)
{
using var stream = new MemoryStream();
EmitCompilation(sourceCode, stream, languageVersion);
return(GenerateContract(generator, stream, assemblyResolver));
}
private static VisualBasicCompilationOptions CreateVisualBasicCompilationOptions(
string assemblyFileName,
CompilationOptionsReader optionsReader
)
{
var pdbOptions = optionsReader.GetMetadataCompilationOptions();
var langVersionString = pdbOptions.GetUniqueOption(
CompilationOptionNames.LanguageVersion
);
pdbOptions.TryGetUniqueOption(
CompilationOptionNames.Optimization,
out var optimization
);
pdbOptions.TryGetUniqueOption(CompilationOptionNames.Platform, out var platform);
pdbOptions.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 (pdbOptions.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 = pdbOptions.OptionToBool(CompilationOptionNames.Checked) ?? true;
var embedVBRuntime =
pdbOptions.OptionToBool(CompilationOptionNames.EmbedRuntime) ?? false;
var rootNamespace = pdbOptions.OptionToString(CompilationOptionNames.RootNamespace);
var compilationOptions = new VisualBasicCompilationOptions(
pdbOptions.OptionToEnum <OutputKind>(CompilationOptionNames.OutputKind)
?? OutputKind.DynamicallyLinkedLibrary,
moduleName: assemblyFileName,
mainTypeName: optionsReader.GetMainTypeName(),
scriptClassName: "Script",
globalImports: globalImports,
rootNamespace: rootNamespace,
optionStrict: pdbOptions.OptionToEnum <OptionStrict>(
CompilationOptionNames.OptionStrict
) ?? OptionStrict.Off,
optionInfer: pdbOptions.OptionToBool(CompilationOptionNames.OptionInfer) ?? false,
optionExplicit: pdbOptions.OptionToBool(CompilationOptionNames.OptionExplicit)
?? false,
optionCompareText: pdbOptions.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);
}
public static void EmitCompilation(string sourceCode, Stream target, Microsoft.CodeAnalysis.VisualBasic.LanguageVersion languageVersion)
{
EmitCompilation(
BaseVisualBasicCompilation.Value.AddSyntaxTrees(VisualBasicSyntaxTree.ParseText(sourceCode, new VisualBasicParseOptions(languageVersion))),
target);
}