public LuaException(string msg, Exception e = null, int skip = 1) : base(msg)
{
if (e != null)
{
if (e is LuaException)
{
this._stack = e.get_StackTrace();
}
else
{
StackTrace stackTrace = new StackTrace(e, true);
StringBuilder stringBuilder = new StringBuilder();
LuaException.ExtractFormattedStackTrace(stackTrace, stringBuilder, null);
StackTrace trace = new StackTrace(skip, true);
LuaException.ExtractFormattedStackTrace(trace, stringBuilder, stackTrace);
this._stack = stringBuilder.ToString();
}
}
else
{
StackTrace trace2 = new StackTrace(skip, true);
StringBuilder stringBuilder2 = new StringBuilder();
LuaException.ExtractFormattedStackTrace(trace2, stringBuilder2, null);
this._stack = stringBuilder2.ToString();
}
}
// TODO 加载流程还不熟悉
// DoFile是直接加载，然后执行
// 但是Require是走lua内存机制，内部会缓存，加载时会回调加载，然后内部执行（具体流程没看）
static int Loader(IntPtr L)
{
try
{
string fileName = LuaDLL.lua_tostring(L, 1);
fileName = fileName.Replace(".", "/");
byte[] buffer = LuaFileUtils.Instance.ReadFile(fileName);
if (buffer == null)
{
string error = LuaFileUtils.Instance.FindFileError(fileName);
LuaDLL.lua_pushstring(L, error);
return(1);
}
if (LuaConst.openLuaDebugger)
{
fileName = LuaFileUtils.Instance.FindFile(fileName);
}
if (LuaDLL.luaL_loadbuffer(L, buffer, buffer.Length, "@" + fileName) != 0)
{
string err = LuaDLL.lua_tostring(L, -1);
throw new LuaException(err, LuaException.GetLastError());
}
return(1);
}
catch (Exception e)
{
return(LuaDLL.toluaL_exception(L, e));
}
}
public void Call(int nArgs, int errfunc, int top)
{
if (LuaDLL.lua_pcall(L, nArgs, LuaDLL.LUA_MULTRET, errfunc) != 0)
{
string error = LuaDLL.lua_tostring(L, -1);
throw new LuaException(error, LuaException.GetLastError());
}
}
public void PCall(int args, int oldTop)
{
if (LuaDLL.lua_pcall(L, args, LuaDLL.LUA_MULTRET, oldTop) != 0)
{
string error = LuaToString(-1);
throw new LuaException(error, LuaException.GetLastError());
}
}
public bool LuaDoFile(string fileName)
{
int newTop = this.LuaGetTop();
if (LuaDLL.luaL_dofile(this.L, fileName))
{
return(true);
}
string msg = this.LuaToString(-1);
this.LuaSetTop(newTop);
throw new LuaException(msg, LuaException.GetLastError(), 1);
}
public bool LuaDoFile(string fileName)
{
int top = LuaGetTop();
if (LuaDLL.luaL_dofile(L, fileName))
{
return(true);
}
string err = LuaToString(-1);
LuaSetTop(top);
throw new LuaException(err, LuaException.GetLastError());
}
// steffenj: BEGIN Lua 5.1.1 API change (luaopen_* replaced by luaL_openlibs)
/*
* Open Lua libraries
*/
/*
* public void OpenLibs()
* {
* //LuaDLL.luaL_openlibs(luaState);
* }
* public void OpenBaseLib()
* {
* }
* public void OpenIOLib()
* {
* //LuaDLL.luaopen_io(luaState);
* }
* public void OpenMathLib()
* {
* //LuaDLL.luaopen_math(luaState);
* }
* public void OpenStringLib()
* {
* //LuaDLL.luaopen_string(luaState);
* }
* public void OpenTableLib()
* {
* //LuaDLL.luaopen_table(luaState);
* }
* public void OpenDebugLib()
* {
* //LuaDLL.luaopen_debug(luaState);
* }
* public void OpenLoadLib()
* {
* //LuaDLL.luaopen_loadlib(luaState);
* }
*/
// steffenj: END Lua 5.1.1 API change (luaopen_* replaced by luaL_openlibs)
/// <summary>
/// Assuming we have a Lua error string sitting on the stack, throw a C# exception out to the user's app
/// </summary>
void ThrowExceptionFromError(int oldTop)
{
object err = translator.getObject(luaState, -1);
LuaDLL.lua_settop(luaState, oldTop);
// If the 'error' on the stack is an actual C# exception, just rethrow it. Otherwise the value must have started
// as a true Lua error and is best interpreted as a string - wrap it in a LuaException and rethrow.
Exception thrown = err as Exception;
if (thrown == null)
{
thrown = new LuaException(err.ToString());
}
throw thrown;
}
/// <summary>
/// Assuming we have a Lua error string sitting on the stack, throw a C# exception out to the user's app
/// </summary>
/// <exception cref="LuaScriptException">Thrown if the script caused an exception</exception>
void ThrowExceptionFromError(int oldTop)
{
object err = translator.getObject(luaState, -1);
LuaDLL.lua_settop(luaState, oldTop);
// A pre-wrapped exception - just rethrow it (stack trace of InnerException will be preserved)
LuaException luaEx = err as LuaException;
if (luaEx != null)
{
throw luaEx;
}
// A non-wrapped Lua error (best interpreted as a string) - wrap it and throw it
if (err == null)
{
err = "Unknown Lua Error";
}
throw new LuaException(err.ToString());
}
public void PrintError(LuaException e)
{
System.Console.Error.WriteLine(">>A Lua Exception occured:");
System.Console.Error.WriteLine(">>" + e.Message);
}
private void ThrowExceptionFromError(int oldTop)
{
object obj2 = this.translator.getObject(this.luaState, -1);
LuaJIT.lua_settop(this.luaState, oldTop);
Exception exception = obj2 as Exception;
if (exception == null)
{
if (obj2 == null)
{
obj2 = "Unknown Lua Error";
}
exception = new LuaException(obj2.ToString());
}
throw exception;
}
// steffenj: BEGIN Lua 5.1.1 API change (luaopen_* replaced by luaL_openlibs)
/*
* Open Lua libraries
*/
/*
public void OpenLibs()
{
//LuaDLL.luaL_openlibs(luaState);
}
public void OpenBaseLib()
{
}
public void OpenIOLib()
{
//LuaDLL.luaopen_io(luaState);
}
public void OpenMathLib()
{
//LuaDLL.luaopen_math(luaState);
}
public void OpenStringLib()
{
//LuaDLL.luaopen_string(luaState);
}
public void OpenTableLib()
{
//LuaDLL.luaopen_table(luaState);
}
public void OpenDebugLib()
{
//LuaDLL.luaopen_debug(luaState);
}
public void OpenLoadLib()
{
//LuaDLL.luaopen_loadlib(luaState);
}
*/
// steffenj: END Lua 5.1.1 API change (luaopen_* replaced by luaL_openlibs)
/// <summary>
/// Assuming we have a Lua error string sitting on the stack, throw a C# exception out to the user's app
/// </summary>
void ThrowExceptionFromError(int oldTop)
{
object err = translator.getObject(luaState, -1);
LuaDLL.lua_settop(luaState, oldTop);
// If the 'error' on the stack is an actual C# exception, just rethrow it. Otherwise the value must have started
// as a true Lua error and is best interpreted as a string - wrap it in a LuaException and rethrow.
Exception thrown = err as Exception;
if(thrown == null)
thrown = new LuaException(err.ToString());
throw thrown;
}
/// <summary>
/// Handles a lua exception
/// </summary>
private void HandleException(LuaException ex)
{
Launch.Log("[Lua] *** EXCEPTION *** at " + ex.Source + ": " + ex.Message);
foreach (var v in ex.Data)
Launch.Log("[Lua] " + v);
LKernel.GetG<LuaConsoleManager>().AddLabel("ERROR: " + ex.Message);
Launch.Log(ex.StackTrace);
}
public void LuaError(LuaException e)
{
NameValueCollection settings = FileHandler.GetAppSettings();
fatalError("A fatal error occured! \n\nLine " + e.Message.Substring(17) + "\n" + e.StackTrace + "\nIf you can, please tweet this information to " + settings["twitterName"] + ", and it will be fixed ASAP.\n\nThanks!");
}
