/// <summary>
/// Creates a new instance of the <see cref="CC_ILWriter"/> class
/// </summary>
/// <param name="method">The method that writes the IL code</param>
public CC_ILWriter(ILWriterDelegate method)
{
if (method == null)
{
throw new ArgumentNullException();
}
WriterMethod = method;
}
/// <summary>
/// Generates a dynamic method of the given name and signature, containing the instructions
/// produced by 'ilWriter'. A delegate to the method, is returned to the caller as a native
/// function pointer.
/// </summary>
/// <remarks>
/// This method also writes the method to the 'Stubs' class in 'Dynamic.dll' for debugging
/// purposes.
/// </remarks>
private static IntPtr GenerateDynamicMethod(string methodName,
DelegateSignature methodSignature, ILWriterDelegate ilWriter)
{
if (true)
{
// Optional: generate an implementation of the stub method inside the 'Stubs'
// class (which is saved to 'Dynamic.dll') for debugging purposes.
MethodBuilder savedMethod = _stubsTypeBuilder.DefineMethod(methodName, MethodAttributes.Public,
methodSignature.ReturnType, methodSignature.ParameterTypes);
ilWriter(savedMethod.GetILGenerator());
}
// Generate a dynamic method of the given name and signature, and the
// IL instructions given by 'ilWriter', then return a delegate to the
// method as a function pointer.
// [stubReturnType] [classType]_[methodname]([classType] this, [args...]):
DynamicMethod method = new DynamicMethod(methodName, methodSignature.ReturnType,
methodSignature.ParameterTypes, typeof(Driver));
ilWriter(method.GetILGenerator());
return(GetDotNetFunPtrForDelegate(method.CreateDelegate(methodSignature.ToDelegateType())));
}
