public static lua_istable ( |
||
luaState | ||
stackPos | int | |
return | bool |
public static int msgHandler(IntPtr L) { if (!LuaDLL.lua_isstring(L, 1)) { return(1); } LuaDLL.wlua_getglobal(L, "debug"); //msg,debug if (!LuaDLL.lua_istable(L, -1)) { LuaDLL.lua_pop(L, 1); return(1); } LuaDLL.wlua_getfield(L, -1, "traceback"); //msg,debug,traceback if (!LuaDLL.lua_isfunction(L, -1)) { LuaDLL.lua_pop(L, 2); return(1); } LuaStateCache cache = LuaStateCacheMan.GetLuaStateCache(L); LuaDLL.lua_pushvalue(L, 1); //msg,debug,traceback,msg LuaDLL.lua_pushinteger(L, 2 + (cache.isException() ? 2 : 0)); //msg,debug,traceback,msg,level LuaDLL.lua_pcall(L, 2, 1, 0); //msg,debug,tracebackstring cache.clearException(); return(1); }
public static int errorFunc_traceback(IntPtr L) { if (!LuaDLL.lua_isstring(L, 1)) /* 'message' not a string? */ { return(1); /* keep it intact */ } LuaDLL.lua_getfield(L, LuaIndexes.LUA_GLOBALSINDEX, "debug"); if (LuaDLL.lua_istable(L, -1)) { LuaDLL.lua_pop(L, 1); return(1); } LuaDLL.lua_getfield(L, -1, "traceback"); if (LuaDLL.lua_isfunction(L, -1)) { LuaDLL.lua_pop(L, 2); return(1); } LuaDLL.lua_pushvalue(L, 1); /* pass error message */ LuaDLL.lua_pushinteger(L, 2); /* skip this function and traceback */ LuaDLL.lua_call(L, 2, 1); /* call debug.traceback */ return(1); }
//L: [namespace Table] public bool AddObject(IntPtr L, System.Object obj, string metatable /* nullable */) { IntPtr userdata = IntPtr.Zero; if (luaObjs.TryGetValue(obj, out userdata)) { LuaDLL.lua_rawgeti(L, LuaDLL.LUA_REGISTRYINDEX, weakRefForUserData); //namespace,reftable LuaDLL.lua_pushlightuserdata(L, userdata); //namespace,reftable,userdataKey LuaDLL.lua_rawget(L, -2); //namespace,reftable,userdata LuaDLL.lua_remove(L, -2); //namespace,userdata if (LuaDLL.lua_isuserdata(L, -1)) { return(true); } else { LuaDLL.lua_pop(L, 1); //namespace } } userdata = LuaDLL.lua_newuserdata(L, 1); //namespace,obj if (metatable == null) { Type type = obj.GetType(); while (type != null) { LuaDLL.wlua_getfield(L, -2, type.Name); //namespace,obj,typet if (LuaDLL.lua_isnil(L, -1)) { LuaDLL.lua_pop(L, 1); //namespace,obj type = type.BaseType; continue; } if (LuaDLL.lua_istable(L, -1)) { metatable = type.Name; break; } else { LuaDLL.lua_pop(L, 2); //namespace throw new LuaException(L, "metatable must be a table:" + type.Name); } } } else { LuaDLL.wlua_getfield(L, -2, metatable); //namespace,obj,typet if (LuaDLL.lua_isnil(L, -1)) { LuaDLL.lua_pop(L, 2); //namespace throw new LuaException(L, "failed to find metatable:" + metatable); } } //namespace,obj,typet LuaDLL.lua_setmetatable(L, -2); //namespace,obj objs[userdata.ToInt64()] = obj; luaObjs[obj] = userdata; LuaDLL.lua_rawgeti(L, LuaDLL.LUA_REGISTRYINDEX, weakRefForUserData); //namespace,obj,reftable LuaDLL.lua_pushlightuserdata(L, userdata); //namespace,obj,reftable,userdatakey LuaDLL.lua_pushvalue(L, -3); //namespace,obj,reftable,userdatakey,obj LuaDLL.lua_rawset(L, -3); //namespace,obj,reftable LuaDLL.lua_pop(L, 1); //namespace,obj return(true); }