/// <summary>
/// Compile the actions using C# compiler.
/// Important: Essential references for subject and executor types are added to the configuration automagically
/// </summary>
/// <param name="configuration">Compiler configuration</param>
/// <returns>Executor object</returns>
public IExecutor <S> Compile(ICompilerConfiguration <S> configuration)
{
ValidateConfiguration(configuration);
AddTemplateReferences(configuration);
// generate code
var codeGenerator = new CSharpExecutorTemplate(configuration);
var session = new TextTemplatingSession();
codeGenerator.Session = session;
codeGenerator.Initialize();
var code = codeGenerator.TransformText();
var executorTypeName = $"{configuration.GetNamespace()}.{configuration.GetClassName()}";
CodeDomProvider codeProvider = CodeDomProvider.CreateProvider("CSharp");
CompilerParameters parameters = new CompilerParameters
{
GenerateExecutable = false,
CompilerOptions = "/t:library"
};
foreach (var reference in configuration.References)
{
var referenceAssembly = reference.Assembly.GetName().Name;
if (!parameters.ReferencedAssemblies.Contains(referenceAssembly))
{
parameters.ReferencedAssemblies.Add(referenceAssembly);
}
}
var results = codeProvider.CompileAssemblyFromSource(parameters, code);
ValidateCompilationResults(results);
var executorType = results.CompiledAssembly.GetType(executorTypeName);
var executorInstanceHandle = Activator.CreateInstance(executorType);
return((IExecutor <S>)executorInstanceHandle);
}
/// <summary>
/// Compile the actions using C# compiler.
/// Important: Essential references for subject and executor types are added to the configuration automagically
/// </summary>
/// <param name="configuration">Compiler configuration</param>
/// <returns>Executor object</returns>
public IExecutor <S> Compile(ICompilerConfiguration <S> configuration)
{
ValidateConfiguration(configuration);
AddTemplateReferences(configuration);
// generate code
var codeGenerator = new CSharpExecutorTemplate(configuration);
codeGenerator.Initialize();
var code = codeGenerator.TransformText();
var executorClassName = $"{configuration.GetNamespace()}.{configuration.GetClassName()}";
SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(text: code);
Compilation compilation = CSharpCompilation.Create(
assemblyName: $"Assembly_{Guid.NewGuid().ToString().Replace("-", string.Empty)}",
syntaxTrees: new[] { syntaxTree },
references: GenerateRequiredReferences(configuration),
options: new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)
);
// Emit the image of this assembly
byte[] image = null;
using (var ms = new MemoryStream())
{
var emitResult = compilation.Emit(ms);
ValidateCompilationResults(emitResult);
image = ms.ToArray();
}
using var stream = new MemoryStream(image);
var assembly = AssemblyLoadContext.Default.LoadFromStream(stream);
var executorClassType = assembly.GetType(executorClassName);
var executorInstanceHandle = Activator.CreateInstance(executorClassType);
return((IExecutor <S>)executorInstanceHandle);
}