public static int GetOpFunction(IntPtr ptr, string f, string tip)
{
int err = PushTry(ptr);
CheckLuaObject(ptr, 1);
while (!LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_getfield(ptr, -1, f);
if (!LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_remove(ptr, -2);
break;
}
LuaNativeMethods.lua_pop(ptr, 1); // pop nil
LuaNativeMethods.lua_getfield(ptr, -1, "__parent");
LuaNativeMethods.lua_remove(ptr, -2); // pop base
}
if (LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_pop(ptr, 1);
throw new Exception(string.Format("No {0} operator", tip));
}
return(err);
}
public static void Open(IntPtr ptr)
{
List <string> typenames = Lua3rdMeta.Instance.TypesWithAttributes;
Assembly[] assemblys = AppDomain.CurrentDomain.GetAssemblies();
Assembly assembly = null;
foreach (Assembly ass in assemblys)
{
if (ass.GetName().Name == "Assembly-CSharp")
{
assembly = ass;
break;
}
}
if (assembly != null)
{
foreach (string typename in typenames)
{
Type type = assembly.GetType(typename);
MethodInfo[] methods = type.GetMethods(BindingFlags.Static | BindingFlags.Public);
foreach (MethodInfo method in methods)
{
LualibRegAttribute attr = System.Attribute.GetCustomAttribute(method, typeof(LualibRegAttribute)) as LualibRegAttribute;
if (attr != null)
{
LuaCSFunction csfunc = Delegate.CreateDelegate(typeof(LuaCSFunction), method) as LuaCSFunction;
DLLRegFuncs.Add(attr.LuaName, csfunc);
}
}
}
}
if (DLLRegFuncs.Count == 0)
{
return;
}
LuaNativeMethods.lua_getglobal(ptr, "package");
LuaNativeMethods.lua_getfield(ptr, -1, "preload");
foreach (KeyValuePair <string, LuaCSFunction> pair in DLLRegFuncs)
{
LuaNativeMethods.lua_pushcfunction(ptr, pair.Value);
LuaNativeMethods.lua_setfield(ptr, -2, pair.Key);
}
LuaNativeMethods.lua_settop(ptr, 0);
}
public static int Import(IntPtr ptr)
{
try
{
LuaNativeMethods.luaL_checktype(ptr, 1, LuaTypes.TYPE_STRING);
string str = LuaNativeMethods.lua_tostring(ptr, 1);
string[] ns = str.Split('.');
LuaNativeMethods.lua_pushglobaltable(ptr);
for (int n = 0; n < ns.Length; n++)
{
LuaNativeMethods.lua_getfield(ptr, -1, ns[n]);
if (!LuaNativeMethods.lua_istable(ptr, -1))
{
return(LuaObject.Error(ptr, "expect {0} is type table", ns));
}
LuaNativeMethods.lua_remove(ptr, -2);
}
LuaNativeMethods.lua_pushnil(ptr);
while (LuaNativeMethods.lua_next(ptr, -2) != 0)
{
string key = LuaNativeMethods.lua_tostring(ptr, -2);
LuaNativeMethods.lua_getglobal(ptr, key);
if (!LuaNativeMethods.lua_isnil(ptr, -1))
{
LuaNativeMethods.lua_pop(ptr, 1);
return(LuaObject.Error(ptr, "{0} had existed, import can't overload it.", key));
}
LuaNativeMethods.lua_pop(ptr, 1);
LuaNativeMethods.lua_setglobal(ptr, key);
}
LuaNativeMethods.lua_pop(ptr, 1);
LuaObject.PushValue(ptr, true);
return(1);
}
catch (Exception e)
{
return(LuaObject.Error(ptr, e));
}
}
public static int PrintError(IntPtr ptr)
{
int n = LuaNativeMethods.lua_gettop(ptr);
s.Length = 0;
LuaNativeMethods.lua_getglobal(ptr, "tostring");
for (int i = 1; i <= n; i++)
{
if (i > 1)
{
s.Append(" ");
}
LuaNativeMethods.lua_pushvalue(ptr, -1);
LuaNativeMethods.lua_pushvalue(ptr, i);
LuaNativeMethods.lua_call(ptr, 1, 1);
s.Append(LuaNativeMethods.lua_tostring(ptr, -1));
LuaNativeMethods.lua_pop(ptr, 1);
}
LuaNativeMethods.lua_settop(ptr, n);
LuaNativeMethods.lua_getglobal(ptr, "debug");
LuaNativeMethods.lua_getfield(ptr, -1, "traceback");
LuaNativeMethods.lua_call(ptr, 0, 1);
s.Append("\n");
s.Append(LuaNativeMethods.lua_tostring(ptr, -1));
LuaNativeMethods.lua_pop(ptr, 1);
Logger.LogError(s.ToString(), true);
if (ErrorEvent != null)
{
ErrorEvent(s.ToString());
}
return(0);
}
public static int ErrorReport(IntPtr ptr)
{
LuaNativeMethods.lua_getglobal(ptr, "debug");
LuaNativeMethods.lua_getfield(ptr, -1, "traceback");
LuaNativeMethods.lua_pushvalue(ptr, 1);
LuaNativeMethods.lua_pushnumber(ptr, 2);
LuaNativeMethods.lua_call(ptr, 2, 1);
LuaNativeMethods.lua_remove(ptr, -2);
string error = LuaNativeMethods.lua_tostring(ptr, -1);
LuaNativeMethods.lua_pop(ptr, 1);
Logger.LogError(error, true);
if (ErrorEvent != null)
{
ErrorEvent(error);
}
LuaNativeMethods.lua_getglobal(ptr, "dumpstack");
LuaNativeMethods.lua_call(ptr, 0, 0);
return(0);
}
public static int Init(IntPtr ptr)
{
LuaNativeMethods.lua_pushlightuserdata(ptr, ptr);
LuaNativeMethods.lua_setglobal(ptr, "__main_state");
LuaNativeMethods.lua_pushcfunction(ptr, Print);
LuaNativeMethods.lua_setglobal(ptr, "print");
LuaNativeMethods.lua_pushcfunction(ptr, PrintError);
LuaNativeMethods.lua_setglobal(ptr, "printerror");
LuaNativeMethods.lua_pushcfunction(ptr, ProtectedCall);
LuaNativeMethods.lua_setglobal(ptr, "pcall");
PushCSFunction(ptr, Import);
LuaNativeMethods.lua_setglobal(ptr, "import");
string resumefunc = @"
local resume = coroutine.resume
local function check(co, ok, err, ...)
if not ok then UnityEngine.Debug.LogError(debug.traceback(co,err)) end
return ok, err, ...
end
coroutine.resume=function(co,...)
return check(co, resume(co,...))
end
";
// overload resume function for report error
LuaState.Get(ptr).DoString(resumefunc);
// https://github.com/pkulchenko/MobDebug/blob/master/src/mobdebug.lua#L290
// Dump only 3 stacks, or it will return null (I don't know why)
string dumpstackfunc = @"
local printerror=printerror
dumpstack=function()
function vars(f)
local dump = string.Emptystring.Empty
local func = debug.getinfo(f, string.Emptyfstring.Empty).func
local i = 1
local locals = {}
-- get locals
while true do
local name, value = debug.getlocal(f, i)
if not name then break end
if string.sub(name, 1, 1) ~= '(' then
dump = dump .. string.Empty string.Empty .. name .. string.Empty=string.Empty .. tostring(value) .. string.Empty\nstring.Empty
end
i = i + 1
end
-- get varargs (these use negative indices)
i = 1
while true do
local name, value = debug.getlocal(f, -i)
-- `not name` should be enough, but LuaJIT 2.0.0 incorrectly reports `(*temporary)` names here
if not name or name ~= string.Empty(*vararg)string.Empty then break end
dump = dump .. string.Empty string.Empty .. name .. string.Empty=string.Empty .. tostring(value) .. string.Empty\nstring.Empty
i = i + 1
end
-- get upvalues
i = 1
while func do -- check for func as it may be nil for tail calls
local name, value = debug.getupvalue(func, i)
if not name then break end
dump = dump .. string.Empty string.Empty .. name .. string.Empty=string.Empty .. tostring(value) .. string.Empty\nstring.Empty
i = i + 1
end
return dump
end
local dump = string.Emptystring.Empty
for i = 3, 100 do
local source = debug.getinfo(i, string.EmptySstring.Empty)
if not source then break end
dump = dump .. string.Empty- stackstring.Empty .. tostring(i-2) .. string.Empty\nstring.Empty
dump = dump .. vars(i+1)
if source.what == 'main' then break end
end
printerror(dump)
end
";
LuaState.Get(ptr).DoString(dumpstackfunc);
#if UNITY_ANDROID
// fix android performance drop with JIT on according to luajit mailist post
LuaState.get(ptr).doString("if jit then require('jit.opt').start('sizemcode=256','maxmcode=256') for i=1,1000 do end end");
#endif
PushCSFunction(ptr, DoFile);
LuaNativeMethods.lua_setglobal(ptr, "dofile");
PushCSFunction(ptr, LoadFile);
LuaNativeMethods.lua_setglobal(ptr, "loadfile");
PushCSFunction(ptr, Loader);
int loaderFunc = LuaNativeMethods.lua_gettop(ptr);
LuaNativeMethods.lua_getglobal(ptr, "package");
#if LUA_5_3
LuaNativeMethods.lua_getfield(ptr, -1, "searchers");
#else
LuaNativeMethods.lua_getfield(ptr, -1, "loaders");
#endif
int loaderTable = LuaNativeMethods.lua_gettop(ptr);
// Shift table elements right
for (int e = LuaNativeMethods.lua_rawlen(ptr, loaderTable) + 1; e > 2; e--)
{
LuaNativeMethods.lua_rawgeti(ptr, loaderTable, e - 1);
LuaNativeMethods.lua_rawseti(ptr, loaderTable, e);
}
LuaNativeMethods.lua_pushvalue(ptr, loaderFunc);
LuaNativeMethods.lua_rawseti(ptr, loaderTable, 2);
LuaNativeMethods.lua_settop(ptr, 0);
return(0);
}
public static void luaL_getmetatable(IntPtr luaState, string meta)
{
LuaNativeMethods.lua_getfield(luaState, LuaIndexes.LUARegistryIndex, meta);
}