public bool ProtectedCall(int args, int errfunc)
{
if (!state.IsMainThread())
{
Logger.LogError("Can't call lua function in bg thread");
return(false);
}
LuaNativeMethods.lua_getref(VariablePointer, valueref);
if (!LuaNativeMethods.lua_isfunction(VariablePointer, -1))
{
LuaNativeMethods.lua_pop(VariablePointer, 1);
throw new Exception("Call invalid function.");
}
LuaNativeMethods.lua_insert(VariablePointer, -args - 1);
if (LuaNativeMethods.lua_pcall(VariablePointer, args, -1, errfunc) != 0)
{
LuaNativeMethods.lua_pop(VariablePointer, 1);
return(false);
}
return(true);
}
public bool DoBuffer(byte[] bytes, string fn, out object ret)
{
// ensure no utf-8 bom, LuaJIT can read BOM, but Lua cannot!
bytes = CleanUTF8Bom(bytes);
ret = null;
int errfunc = LuaObject.PushTry(statePointer);
if (LuaNativeMethods.luaL_loadbuffer(statePointer, bytes, bytes.Length, fn) == 0)
{
if (LuaNativeMethods.lua_pcall(statePointer, 0, LuaNativeMethods.LUAMultRet, errfunc) != 0)
{
LuaNativeMethods.lua_pop(statePointer, 2);
return(false);
}
LuaNativeMethods.lua_remove(statePointer, errfunc); // pop error function
ret = TopObjects(errfunc - 1);
return(true);
}
string err = LuaNativeMethods.lua_tostring(statePointer, -1);
LuaNativeMethods.lua_pop(statePointer, 2);
throw new Exception("File " + fn + ": " + err);
}
public static int luaL_dostring(IntPtr luaState, string chunk)
{
int result = LuaNativeMethods.luaL_loadstring(luaState, chunk);
if (result != 0)
{
return(result);
}
return(LuaNativeMethods.lua_pcall(luaState, 0, -1, 0));
}
public static void ProtectedCall(IntPtr ptr, LuaCSFunction f)
{
int err = LuaObject.PushTry(ptr);
LuaNativeMethods.lua_pushcfunction(ptr, f);
if (LuaNativeMethods.lua_pcall(ptr, 0, 0, err) != 0)
{
LuaNativeMethods.lua_pop(ptr, 1);
}
LuaNativeMethods.lua_remove(ptr, err);
}
public static int ProtectedCall(IntPtr ptr)
{
int status;
if (LuaNativeMethods.lua_type(ptr, 1) != LuaTypes.TYPE_FUNCTION)
{
return(LuaObject.Error(ptr, "arg 1 expect function"));
}
LuaNativeMethods.luaL_checktype(ptr, 1, LuaTypes.TYPE_FUNCTION);
status = LuaNativeMethods.lua_pcall(ptr, LuaNativeMethods.lua_gettop(ptr) - 1, LuaNativeMethods.LUAMultRet, 0);
LuaNativeMethods.lua_pushboolean(ptr, status == 0);
LuaNativeMethods.lua_insert(ptr, 1);
return(LuaNativeMethods.lua_gettop(ptr)); /* return status + all results */
}
public static int LuaUnaryOp(IntPtr ptr, string f, string tip)
{
int err = GetOpFunction(ptr, f, tip);
LuaNativeMethods.lua_pushvalue(ptr, 1);
if (LuaNativeMethods.lua_pcall(ptr, 1, 1, err) != 0)
{
LuaNativeMethods.lua_pop(ptr, 1);
}
LuaNativeMethods.lua_remove(ptr, err);
PushValue(ptr, true);
LuaNativeMethods.lua_insert(ptr, -2);
return(2);
}