public async Task <(bool succeeded, IEnumerable <IDiagnosticInfo> diagnostics)> GenerateAssemblyAsync(
string sourceCodeFile
, string fileName
, string assembliesPath)
{
var referenceAssembliesPath = Path.GetDirectoryName(typeof(string).Assembly.Location);
var references = new List <MetadataReference>
{
MetadataReference.CreateFromFile(Path.Combine(referenceAssembliesPath, "netstandard.dll")),
MetadataReference.CreateFromFile(Path.Combine(referenceAssembliesPath, "System.Runtime.dll")),
MetadataReference.CreateFromFile(typeof(string).Assembly.Location),
MetadataReference.CreateFromFile(typeof(ExportAttribute).Assembly.Location),
MetadataReference.CreateFromFile(typeof(DbContext).Assembly.Location),
MetadataReference.CreateFromFile(typeof(KeyAttribute).Assembly.Location),
MetadataReference.CreateFromFile(typeof(IBusinessRepositoryFactory).Assembly.Location),
};
string sourceCode;
using (var fileStream = new FileStream(sourceCodeFile, FileMode.Open, FileAccess.Read))
using (var reader = new StreamReader(fileStream))
{
sourceCode = await reader.ReadToEndAsync();
}
if (!CSharpLanguage.CompileToAssembly(sourceCode, Path.GetFileNameWithoutExtension(fileName), fileName, references, out var diagnostics))
{
return(false, diagnostics?.Select(x => new DiagnosticInfo {
Message = x.GetMessage()
}));
}
return(true, null);
}
public async Task <CodeGenerationResult> GenerateAssemblyAsync(
string sourceCodeFile
, string assymblyFileName
, string assembliesPath)
{
var referenceAssembliesPath = Path.GetDirectoryName(typeof(string).Assembly.Location);
var localPath = Path.GetDirectoryName(typeof(ExportAttribute).Assembly.Location);
var references = new List <MetadataReference>
{
MetadataReference.CreateFromFile(Path.Combine(referenceAssembliesPath, "netstandard.dll")),
MetadataReference.CreateFromFile(Path.Combine(referenceAssembliesPath, "System.Runtime.dll")),
MetadataReference.CreateFromFile(typeof(string).Assembly.Location),
MetadataReference.CreateFromFile(typeof(ExportAttribute).Assembly.Location),
MetadataReference.CreateFromFile(typeof(DbContext).Assembly.Location),
MetadataReference.CreateFromFile(typeof(KeyAttribute).Assembly.Location),
MetadataReference.CreateFromFile(typeof(IBusinessRepositoryFactory).Assembly.Location),
MetadataReference.CreateFromFile(typeof(JsonIgnoreAttribute).Assembly.Location),
MetadataReference.CreateFromFile(Path.Combine(localPath, "Microsoft.Bcl.AsyncInterfaces.dll")),
};
string sourceCode;
using (var fileStream = new FileStream(sourceCodeFile, FileMode.Open, FileAccess.Read))
using (var reader = new StreamReader(fileStream))
{
sourceCode = await reader.ReadToEndAsync();
}
if (!CSharpLanguage.CompileToAssembly(sourceCode, Path.GetFileNameWithoutExtension(assymblyFileName), assymblyFileName, references, out var diagnostics))
{
return(new CodeGenerationResult
{
Succeeded = false,
SourceCodeFileName = sourceCodeFile,
Diagnostics = diagnostics?.Select(x => new DiagnosticInfo {
Message = x.GetMessage()
})
});
}
return(new CodeGenerationResult
{
Succeeded = true,
AssemblyFileName = assymblyFileName,
SourceCodeFileName = sourceCodeFile
});
}
public static bool CompileToAssembly(string code, string assemblyName, string path, IEnumerable <MetadataReference> references
, out IEnumerable <Diagnostic> diagnostics)
{
var sourceLanguage = new CSharpLanguage();
SyntaxTree syntaxTree = sourceLanguage.ParseText(code, SourceCodeKind.Regular);
Compilation compilation = sourceLanguage
.CreateLibraryCompilation(assemblyName: assemblyName, enableOptimisations: false, references)
.AddSyntaxTrees(syntaxTree);
using (var stream = new FileStream(path, FileMode.Create, FileAccess.Write))
{
var emitResult = compilation.Emit(stream);
if (!emitResult.Success)
{
diagnostics = emitResult.Diagnostics;
return(false);
}
stream.Flush();
}
diagnostics = null;
return(true);
}
