public IndirectReference(TypeReference byRefReference) :
base(byRefReference, byRefReference.Type.GetElementType())
{
if (!byRefReference.Type.IsByRef)
{
throw new ArgumentException("Expected an IsByRef reference", "byRefReference");
}
}
// TODO: Better name
public static TypeReference[] WrapIfByRef(TypeReference[] references)
{
var result = new TypeReference[references.Length];
for (var i = 0; i < references.Length; i++)
{
result[i] = WrapIfByRef(references[i]);
}
return result;
}
public static void CopyOutAndRefParameters(TypeReference[] dereferencedArguments, LocalReference invocation,
MethodInfo method, MethodEmitter emitter)
{
var parameters = method.GetParameters();
if (!ArgumentsUtil.IsAnyByRef(parameters))
{
return; //saving the need to create locals if there is no need
}
var arguments = StoreInvocationArgumentsInLocal(emitter, invocation);
for (var i = 0; i < parameters.Length; i++)
{
if (!parameters[i].ParameterType.IsByRef)
{
continue;
}
emitter.CodeBuilder.AddStatement(AssignArgument(dereferencedArguments, i, arguments));
}
}
private Expression[] GetCtorArguments(ClassEmitter @class, Expression proxiedMethodTokenExpression, TypeReference[] dereferencedArguments, Expression methodInterceptors)
{
return new[]
{
getTargetExpression(@class, MethodToOverride),
SelfReference.Self.ToExpression(),
methodInterceptors ?? interceptors.ToExpression(),
proxiedMethodTokenExpression,
new ReferencesToObjectArrayExpression(dereferencedArguments)
};
}
public static TypeReference WrapIfByRef(TypeReference reference)
{
return reference.Type.IsByRef ? new IndirectReference(reference) : reference;
}
private static AssignStatement AssignArgument(TypeReference[] dereferencedArguments, int i,
LocalReference invocationArgs)
{
return new AssignStatement(dereferencedArguments[i], Argument(i, invocationArgs, dereferencedArguments));
}
private static ConvertExpression Argument(int i, LocalReference invocationArgs, TypeReference[] arguments)
{
return new ConvertExpression(arguments[i].Type, new LoadRefArrayElementExpression(i, invocationArgs));
}
