private MethodBuilder CreateCallbackMethod(ClassEmitter emitter, MethodInfo methodInfo, MethodInfo methodOnTarget)
{
MethodInfo targetMethod = methodOnTarget ?? methodInfo;
// MethodBuild creation
MethodEmitter callBackMethod = emitter.CreateMethod(namingScope.GetUniqueName(methodInfo.Name + "_callback"));
callBackMethod.CopyParametersAndReturnTypeFrom(targetMethod, emitter);
// Generic definition
if (targetMethod.IsGenericMethod)
{
targetMethod = targetMethod.MakeGenericMethod(callBackMethod.GenericTypeParams);
}
// Parameters exp
Expression[] exps = new Expression[callBackMethod.Arguments.Length];
for (int i = 0; i < callBackMethod.Arguments.Length; i++)
{
exps[i] = callBackMethod.Arguments[i].ToExpression();
}
// invocation on base class
callBackMethod.CodeBuilder.AddStatement(
new ReturnStatement(new MethodInvocationExpression(SelfReference.Self, targetMethod, exps)));
return(callBackMethod.MethodBuilder);
}
