public ObjectTranslator(LuaEnv luaenv, RealStatePtr L) { assemblies = new List <Assembly>(); foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies()) { assemblies.Add(assembly); } this.luaEnv = luaenv; objectCasters = new ObjectCasters(this); objectCheckers = new ObjectCheckers(this); methodWrapsCache = new MethodWrapsCache(this, objectCheckers, objectCasters); metaFunctions = new StaticLuaCallbacks(); importTypeFunction = new LuaCSFunction(StaticLuaCallbacks.ImportType); loadAssemblyFunction = new LuaCSFunction(StaticLuaCallbacks.LoadAssembly); castFunction = new LuaCSFunction(StaticLuaCallbacks.Cast); LuaAPI.lua_newtable(L); LuaAPI.lua_newtable(L); LuaAPI.xlua_pushasciistring(L, "__mode"); LuaAPI.xlua_pushasciistring(L, "v"); LuaAPI.lua_rawset(L, -3); LuaAPI.lua_setmetatable(L, -2); cacheRef = LuaAPI.luaL_ref(L, LuaIndexes.LUA_REGISTRYINDEX); initCSharpCallLua(); }
static int __CreateInstance(RealStatePtr L) { try { ObjectTranslator translator = ObjectTranslatorPool.Instance.Find(L); if (LuaAPI.lua_gettop(L) == 1) { XLua.StaticLuaCallbacks gen_ret = new XLua.StaticLuaCallbacks(); translator.Push(L, gen_ret); return(1); } } catch (System.Exception gen_e) { return(LuaAPI.luaL_error(L, "c# exception:" + gen_e)); } return(LuaAPI.luaL_error(L, "invalid arguments to XLua.StaticLuaCallbacks constructor!")); }
public ObjectTranslator(LuaEnv luaenv, RealStatePtr L) { #if XLUA_GENERAL var dumb_field = typeof(ObjectTranslator).GetField("s_gen_reg_dumb_obj", BindingFlags.Static | BindingFlags.DeclaredOnly | BindingFlags.NonPublic); if (dumb_field != null) { dumb_field.GetValue(null); } #endif assemblies = new List <Assembly>(); foreach (Assembly assembly in AppDomain.CurrentDomain.GetAssemblies()) { assemblies.Add(assembly); } this.luaEnv = luaenv; objectCasters = new ObjectCasters(this); objectCheckers = new ObjectCheckers(this); methodWrapsCache = new MethodWrapsCache(this, objectCheckers, objectCasters); metaFunctions = new StaticLuaCallbacks(); importTypeFunction = new LuaCSFunction(StaticLuaCallbacks.ImportType); loadAssemblyFunction = new LuaCSFunction(StaticLuaCallbacks.LoadAssembly); castFunction = new LuaCSFunction(StaticLuaCallbacks.Cast); cTypeFunction = new LuaCSFunction(StaticLuaCallbacks.Ctype); LuaAPI.lua_newtable(L); LuaAPI.lua_newtable(L); LuaAPI.xlua_pushasciistring(L, "__mode"); LuaAPI.xlua_pushasciistring(L, "v"); LuaAPI.lua_rawset(L, -3); LuaAPI.lua_setmetatable(L, -2); cacheRef = LuaAPI.luaL_ref(L, LuaIndexes.LUA_REGISTRYINDEX); initCSharpCallLua(); }
private ObjectCast genCaster(Type type) { ObjectCast fixTypeGetter = (RealStatePtr L, int idx, object target) => { if (LuaAPI.lua_type(L, idx) == LuaTypes.LUA_TUSERDATA) { object obj = translator.SafeGetCSObj(L, idx); return((obj != null && type.IsAssignableFrom(obj.GetType())) ? obj : null); } return(null); }; if (typeof(Delegate).IsAssignableFrom(type)) { return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } if (!LuaAPI.lua_isfunction(L, idx)) { return null; } return translator.CreateDelegateBridge(L, type, idx); }); } else if (type.IsInterface) { return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } if (!LuaAPI.lua_istable(L, idx)) { return null; } return translator.CreateInterfaceBridge(L, type, idx); }); } else if (type.IsEnum) { return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } LuaTypes lua_type = LuaAPI.lua_type(L, idx); if (lua_type == LuaTypes.LUA_TSTRING) { return Enum.Parse(type, LuaAPI.lua_tostring(L, idx)); } else if (lua_type == LuaTypes.LUA_TNUMBER) { return Enum.ToObject(type, LuaAPI.xlua_tointeger(L, idx)); } throw new InvalidCastException("invalid value for enum " + type); }); } else if (type.IsArray) { return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } if (!LuaAPI.lua_istable(L, idx)) { return null; } uint len = LuaAPI.xlua_objlen(L, idx); int n = LuaAPI.lua_gettop(L); idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index Type et = type.GetElementType(); ObjectCast elementCaster = GetCaster(et); Array ary = target == null?Array.CreateInstance(et, len) : target as Array; if (!LuaAPI.lua_checkstack(L, 1)) { throw new Exception("stack overflow while cast to Array"); } for (int i = 0; i < len; ++i) { LuaAPI.lua_pushnumber(L, i + 1); LuaAPI.lua_rawget(L, idx); if (et.IsPrimitive) { if (!StaticLuaCallbacks.TryPrimitiveArraySet(type, L, ary, i, n + 1)) { ary.SetValue(elementCaster(L, n + 1, null), i); } } else { if (StaticLuaCallbacks.GenTryArraySetPtr == null || !StaticLuaCallbacks.GenTryArraySetPtr(type, L, translator, ary, i, n + 1)) { ary.SetValue(elementCaster(L, n + 1, null), i); } } LuaAPI.lua_pop(L, 1); } return ary; }); } else if (typeof(IList).IsAssignableFrom(type) && type.IsGenericType) { ObjectCast elementCaster = GetCaster(type.GetGenericArguments()[0]); return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } if (!LuaAPI.lua_istable(L, idx)) { return null; } obj = target == null?Activator.CreateInstance(type) : target; int n = LuaAPI.lua_gettop(L); idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index IList list = obj as IList; uint len = LuaAPI.xlua_objlen(L, n); if (!LuaAPI.lua_checkstack(L, 1)) { throw new Exception("stack overflow while cast to IList"); } for (int i = 0; i < len; ++i) { LuaAPI.lua_pushnumber(L, i + 1); LuaAPI.lua_rawget(L, idx); if (i < list.Count && target != null) { var item = elementCaster(L, n + 1, list[i]); if (item != null) { list[i] = item; } } else { var item = elementCaster(L, n + 1, null); if (item != null) { list.Add(item); } } LuaAPI.lua_pop(L, 1); } return obj; }); } else if (typeof(IDictionary).IsAssignableFrom(type) && type.IsGenericType) { ObjectCast keyCaster = GetCaster(type.GetGenericArguments()[0]); ObjectCast valueCaster = GetCaster(type.GetGenericArguments()[1]); return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } if (!LuaAPI.lua_istable(L, idx)) { return null; } IDictionary dic = (target == null ? Activator.CreateInstance(type) : target) as IDictionary; int n = LuaAPI.lua_gettop(L); idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index LuaAPI.lua_pushnil(L); if (!LuaAPI.lua_checkstack(L, 1)) { throw new Exception("stack overflow while cast to IDictionary"); } while (LuaAPI.lua_next(L, idx) != 0) { object k = keyCaster(L, n + 1, null); // -2:key if (k != null) { object v = valueCaster(L, n + 2, !dic.Contains(k) ? null : dic[k]); if (v != null) { dic[k] = v; // -1:value } } LuaAPI.lua_pop(L, 1); // removes value, keeps key for next iteration } return dic; }); } else if ((type.IsClass && type.GetConstructor(System.Type.EmptyTypes) != null) || (type.IsValueType && !type.IsEnum)) //class has default construtor { return((RealStatePtr L, int idx, object target) => { object obj = fixTypeGetter(L, idx, target); if (obj != null) { return obj; } if (!LuaAPI.lua_istable(L, idx)) { return null; } obj = target == null?Activator.CreateInstance(type) : target; int n = LuaAPI.lua_gettop(L); idx = idx > 0 ? idx : LuaAPI.lua_gettop(L) + idx + 1;// abs of index if (!LuaAPI.lua_checkstack(L, 1)) { throw new Exception("stack overflow while cast to " + type); } /*foreach (PropertyInfo prop in type.GetProperties()) * { * LuaAPI.xlua_pushasciistring(L, prop.Name); * LuaAPI.lua_rawget(L, idx); * if (!LuaAPI.lua_isnil(L, -1)) * { * try * { * prop.SetValue(obj, GetCaster(prop.PropertyType)(L, n + 1, * target == null || prop.PropertyType.IsPrimitive || prop.PropertyType == typeof(string) ? null : prop.GetValue(obj, null)), null); * } * catch (Exception e) * { * throw new Exception("exception in tran " + prop.Name + ", msg=" + e.Message); * } * } * LuaAPI.lua_pop(L, 1); * }*/ foreach (FieldInfo field in type.GetFields()) { LuaAPI.xlua_pushasciistring(L, field.Name); LuaAPI.lua_rawget(L, idx); if (!LuaAPI.lua_isnil(L, -1)) { try { field.SetValue(obj, GetCaster(field.FieldType)(L, n + 1, target == null || field.FieldType.IsPrimitive || field.FieldType == typeof(string) ? null : field.GetValue(obj))); } catch (Exception e) { throw new Exception("exception in tran " + field.Name + ", msg=" + e.Message); } } LuaAPI.lua_pop(L, 1); } return obj; }); } else { return(fixTypeGetter); } }