public TInterface ActivateInterface <TInterface>(string dll, IEntrypointMangler entrypointMangler = null) where TInterface : class
{
if (entrypointMangler == null)
{
entrypointMangler = DefaultEntrypointMangler;
}
return(ActivateInterface_ <TInterface>(dll, entrypointMangler));
}
public MethodInfoDetails(string dll, Type interfaceType, IEntrypointMangler entrypointMangler)
{
Dll = dll;
// the real [DllImport] attribute, not our's
AddReference(typeof(System.Runtime.InteropServices.DllImportAttribute));
AddReference(interfaceType);
EntrypointMangler = entrypointMangler;
}
TInterface ActivateInterface_ <TInterface>(string dll, IEntrypointMangler entrypointMangler) where TInterface : class
{
var interfaceType = typeof(TInterface);
var methods = GetInterfaceMethods(interfaceType);
var methodInfoDetails = new MethodInfoDetails(dll, interfaceType, entrypointMangler);
// https://github.com/dotnet/roslyn-sdk/blob/master/samples/CSharp/APISamples/FAQ.cs
var nativeMethods = new StringBuilder();
var interfaceImplementation = new StringBuilder();
foreach (var method in methods)
{
nativeMethods.AppendLine(methodInfoDetails.GetDllImportSignature(method));
interfaceImplementation.AppendLine(methodInfoDetails.GetInterfaceSignature(method));
}
var(syntax, implementationTypeName) = MakeSyntax(interfaceType, nativeMethods.ToString(), interfaceImplementation.ToString());
var syntaxTree = SyntaxFactory.ParseSyntaxTree(syntax);
var references = methodInfoDetails.References;
return(EmitCSharpCompilation <TInterface>(syntaxTree, references, implementationTypeName));
}
