/*
* Passes errors (argument e) to the Lua interpreter
*/
internal void throwError(ILuaState luaState, object e)
{
// We use this to remove anything pushed by luaL_where
int oldTop = LuaDLL.lua_gettop(luaState);
// Stack frame #1 is our C# wrapper, so not very interesting to the user
// Stack frame #2 must be the lua code that called us, so that's what we want to use
LuaDLL.luaL_where(luaState, 1);
object[] curlev = popValues(luaState, oldTop);
// Determine the position in the script where the exception was triggered
string errLocation = "";
if (curlev.Length > 0)
{
errLocation = curlev[0].ToString();
}
string message = e as string;
if (message != null)
{
// Wrap Lua error (just a string) and store the error location
e = new LuaScriptException(message, errLocation);
}
else
{
Exception ex = e as Exception;
if (ex != null)
{
// Wrap generic .NET exception as an InnerException and store the error location
e = new LuaScriptException(ex, errLocation);
}
}
push(luaState, e);
LuaDLL.lua_error(luaState);
}
