internal static void DoThrow(DarksVMContext ctx, object ex)
{
if (ex is Exception)
{
EHHelper.Rethrow((Exception)ex, GetIP(ctx));
}
throw Throw(ex);
}
void InvokeNormal(VMContext ctx, MethodBase targetMethod, byte opCode, ref uint sp, out ExecutionState state)
{
uint _sp = sp;
var parameters = targetMethod.GetParameters();
object self = null;
object[] args = new object[parameters.Length];
if (opCode == Constants.ECALL_CALL && targetMethod.IsVirtual)
{
int indexOffset = targetMethod.IsStatic ? 0 : 1;
args = new object[parameters.Length + indexOffset];
for (int i = parameters.Length - 1; i >= 0; i--)
{
args[i + indexOffset] = PopObject(ctx, parameters[i].ParameterType, ref sp);
}
if (!targetMethod.IsStatic)
{
args[0] = PopObject(ctx, targetMethod.DeclaringType, ref sp);
}
targetMethod = DirectCall.GetDirectInvocationProxy(targetMethod);
}
else
{
args = new object[parameters.Length];
for (int i = parameters.Length - 1; i >= 0; i--)
{
args[i] = PopObject(ctx, parameters[i].ParameterType, ref sp);
}
if (!targetMethod.IsStatic && opCode != Constants.ECALL_NEWOBJ)
{
self = PopObject(ctx, targetMethod.DeclaringType, ref sp);
if (self != null && !targetMethod.DeclaringType.IsInstanceOfType(self))
{
// ConfuserEx sometimes produce this to circumvent peverify (see ref proxy)
// Reflection won't allow it, so use typed invoke
InvokeTyped(ctx, targetMethod, opCode, ref _sp, out state);
return;
}
}
}
object result;
if (opCode == Constants.ECALL_NEWOBJ)
{
try {
result = ((ConstructorInfo)targetMethod).Invoke(args);
}
catch (TargetInvocationException ex) {
EHHelper.Rethrow(ex.InnerException, null);
throw;
}
}
else
{
if (!targetMethod.IsStatic && self == null)
{
throw new NullReferenceException();
}
Type selfType;
if (self != null && (selfType = self.GetType()).IsArray && targetMethod.Name == "SetValue")
{
Type valueType;
if (args[0] == null)
{
valueType = selfType.GetElementType();
}
else
{
valueType = args[0].GetType();
}
ArrayStoreHelpers.SetValue((Array)self, (int)args[1], args[0], valueType, selfType.GetElementType());
result = null;
}
else
{
try {
result = targetMethod.Invoke(self, args);
}
catch (TargetInvocationException ex) {
VMDispatcher.DoThrow(ctx, ex.InnerException);
throw;
}
}
}
if (targetMethod is MethodInfo && ((MethodInfo)targetMethod).ReturnType != typeof(void))
{
ctx.Stack[++sp] = VMSlot.FromObject(result, ((MethodInfo)targetMethod).ReturnType);
}
else if (opCode == Constants.ECALL_NEWOBJ)
{
ctx.Stack[++sp] = VMSlot.FromObject(result, targetMethod.DeclaringType);
}
ctx.Stack.SetTopPosition(sp);
ctx.Registers[Constants.REG_SP].U4 = sp;
state = ExecutionState.Next;
}
