|
private lua_gettable ( |
||
| luaState | ||
| index | int | |
| return | void | |
public LuaFunction RawGetFunc(string field)
{
IntPtr L = _Interpreter.L;
LuaTypes type = LuaTypes.LUA_TNONE;
LuaFunction func = null;
int oldTop = LuaDLL.lua_gettop(L);
LuaDLL.lua_getref(L, _Reference);
LuaDLL.lua_pushstring(L, field);
LuaDLL.lua_gettable(L, -2);
type = LuaDLL.lua_type(L, -1);
if (type == LuaTypes.LUA_TFUNCTION)
{
func = new LuaFunction(LuaDLL.luaL_ref(L, LuaIndexes.LUA_REGISTRYINDEX), L);
}
LuaDLL.lua_settop(L, oldTop);
return(func);
}
public static int unregisterTable(IntPtr luaState)
{
ObjectTranslator translator = ObjectTranslator.FromState(luaState);
try
{
if (LuaDLL.lua_getmetatable(luaState, 1) != 0)
{
LuaDLL.lua_pushstring(luaState, "__index");
LuaDLL.lua_gettable(luaState, -2);
object obj = translator.getRawNetObject(luaState, -1);
if (obj == null)
{
translator.throwError(luaState, "unregister_table: arg is not valid table");
}
FieldInfo luaTableField = obj.GetType().GetField("__luaInterface_luaTable");
if (luaTableField == null)
{
translator.throwError(luaState, "unregister_table: arg is not valid table");
}
luaTableField.SetValue(obj, null);
LuaDLL.lua_pushnil(luaState);
LuaDLL.lua_setmetatable(luaState, 1);
LuaDLL.lua_pushstring(luaState, "base");
LuaDLL.lua_pushnil(luaState);
LuaDLL.lua_settable(luaState, 1);
}
else
{
translator.throwError(luaState, "unregister_table: arg is not valid table");
}
}
catch (Exception e)
{
translator.throwError(luaState, e.Message);
}
return(0);
}
/*
* Creates a new table as a global variable or as a field
* inside an existing table
*/
public void NewTable(string fullPath)
{
string[] path = fullPath.Split('.');
int oldTop = LuaDLL.lua_gettop(L);
if (path.Length == 1)
{
LuaDLL.lua_newtable(L);
LuaDLL.lua_setglobal(L, fullPath);
}
else
{
LuaDLL.lua_getglobal(L, path[0]);
for (int i = 1; i < path.Length - 1; i++)
{
LuaDLL.lua_pushstring(L, path[i]);
LuaDLL.lua_gettable(L, -2);
}
LuaDLL.lua_pushstring(L, path[path.Length - 1]);
LuaDLL.lua_newtable(L);
LuaDLL.lua_settable(L, -3);
}
LuaDLL.lua_settop(L, oldTop);
}
/*
* Creates a new table as a global variable or as a field
* inside an existing table
*/
public void NewTable(string fullPath)
{
string[] path = fullPath.Split(new char[] { '.' });
int oldTop = LuaDLL.lua_gettop(luaState);
if (path.Length == 1)
{
LuaDLL.lua_newtable(luaState);
LuaDLL.lua_setglobal(luaState, fullPath);
}
else
{
LuaDLL.lua_getglobal(luaState, path[0]);
for (int i = 1; i < path.Length - 1; i++)
{
LuaDLL.lua_pushstring(luaState, path[i]);
LuaDLL.lua_gettable(luaState, -2);
}
LuaDLL.lua_pushstring(luaState, path[path.Length - 1]);
LuaDLL.lua_newtable(luaState);
LuaDLL.lua_settable(luaState, -3);
}
LuaDLL.lua_settop(luaState, oldTop);
}
/*
* Implementation of free_object. Clears the metatable and the
* base field, freeing the created object for garbage-collection
*/
private int unregisterTable(KopiLua.Lua.lua_State luaState)
{
try
{
if (LuaDLL.lua_getmetatable(luaState, 1) != 0)
{
LuaDLL.lua_pushstring(luaState, "__index");
LuaDLL.lua_gettable(luaState, -2);
object obj = getRawNetObject(luaState, -1);
if (obj == null)
{
throwError(luaState, "unregister_table: arg is not valid table");
}
FieldInfo luaTableField = obj.GetType().GetField("__luaInterface_luaTable");
if (luaTableField == null)
{
throwError(luaState, "unregister_table: arg is not valid table");
}
luaTableField.SetValue(obj, null);
LuaDLL.lua_pushnil(luaState);
LuaDLL.lua_setmetatable(luaState, 1);
LuaDLL.lua_pushstring(luaState, "base");
LuaDLL.lua_pushnil(luaState);
LuaDLL.lua_settable(luaState, 1);
}
else
{
throwError(luaState, "unregister_table: arg is not valid table");
}
}
catch (Exception e)
{
throwError(luaState, e.Message);
}
return(0);
}
public static void lua_getglobal(IntPtr luaState, string name)
{
LuaDLL.lua_pushstring(luaState, name);
LuaDLL.lua_gettable(luaState, LuaIndexes.LUA_GLOBALSINDEX);
}
internal ExtractValue checkType(IntPtr luaState, int stackPos, Type paramType)
{
LuaTypes luatype = LuaDLL.lua_type(luaState, stackPos);
if (paramType.IsByRef)
{
paramType = paramType.GetElementType();
}
Type underlyingType = Nullable.GetUnderlyingType(paramType);
if (underlyingType != null)
{
paramType = underlyingType; // Silently convert nullable types to their non null requics
}
long runtimeHandleValue = paramType.TypeHandle.Value.ToInt64();
if (paramType.Equals(typeof(object)))
{
return(extractValues[runtimeHandleValue]);
}
//CP: Added support for generic parameters
if (paramType.IsGenericParameter)
{
if (luatype == LuaTypes.LUA_TBOOLEAN)
{
return(extractValues[typeof(bool).TypeHandle.Value.ToInt64()]);
}
else if (luatype == LuaTypes.LUA_TSTRING)
{
return(extractValues[typeof(string).TypeHandle.Value.ToInt64()]);
}
else if (luatype == LuaTypes.LUA_TTABLE)
{
return(extractValues[typeof(LuaTable).TypeHandle.Value.ToInt64()]);
}
else if (luatype == LuaTypes.LUA_TUSERDATA)
{
return(extractValues[typeof(object).TypeHandle.Value.ToInt64()]);
}
else if (luatype == LuaTypes.LUA_TFUNCTION)
{
return(extractValues[typeof(LuaFunction).TypeHandle.Value.ToInt64()]);
}
else if (luatype == LuaTypes.LUA_TNUMBER)
{
return(extractValues[typeof(double).TypeHandle.Value.ToInt64()]);
}
//else // suppress CS0642
; //an unsupported type was encountered
}
if (paramType.IsValueType && luatype == LuaTypes.LUA_TTABLE)
{
int oldTop = LuaDLL.lua_gettop(luaState);
ExtractValue ret = null;
LuaDLL.lua_pushvalue(luaState, stackPos);
LuaDLL.lua_pushstring(luaState, "class");
LuaDLL.lua_gettable(luaState, -2);
if (!LuaDLL.lua_isnil(luaState, -1))
{
string cls = LuaDLL.lua_tostring(luaState, -1);
if (cls == "Vector3" && paramType == typeof(Vector3))
{
ret = extractValues[typeof(Vector3).TypeHandle.Value.ToInt64()];
}
else if (cls == "Vector2" && paramType == typeof(Vector2))
{
ret = extractValues[typeof(Vector2).TypeHandle.Value.ToInt64()];
}
else if (cls == "Quaternion" && paramType == typeof(Quaternion))
{
ret = extractValues[typeof(Quaternion).TypeHandle.Value.ToInt64()];
}
else if (cls == "Color" && paramType == typeof(Color))
{
ret = extractValues[typeof(Color).TypeHandle.Value.ToInt64()];
}
else if (cls == "Vector4" && paramType == typeof(Vector4))
{
ret = extractValues[typeof(Vector4).TypeHandle.Value.ToInt64()];
}
else if (cls == "Ray" && paramType == typeof(Ray))
{
ret = extractValues[typeof(Ray).TypeHandle.Value.ToInt64()];
}
else
{
ret = null;
}
}
LuaDLL.lua_settop(luaState, oldTop);
if (ret != null)
{
return(ret);
}
}
if (LuaDLL.lua_isnumber(luaState, stackPos))
{
return(extractValues[runtimeHandleValue]);
}
if (paramType == typeof(bool))
{
if (LuaDLL.lua_isboolean(luaState, stackPos))
{
return(extractValues[runtimeHandleValue]);
}
}
else if (paramType == typeof(string))
{
if (LuaDLL.lua_isstring(luaState, stackPos))
{
return(extractValues[runtimeHandleValue]);
}
else if (luatype == LuaTypes.LUA_TNIL)
{
return(extractNetObject); // kevinh - silently convert nil to a null string pointer
}
}
else if (paramType == typeof(LuaTable))
{
if (luatype == LuaTypes.LUA_TTABLE)
{
return(extractValues[runtimeHandleValue]);
}
}
else if (paramType == typeof(LuaFunction))
{
if (luatype == LuaTypes.LUA_TFUNCTION)
{
return(extractValues[runtimeHandleValue]);
}
}
else if (typeof(Delegate).IsAssignableFrom(paramType) && luatype == LuaTypes.LUA_TFUNCTION)
{
#if __NOGEN__
translator.throwError(luaState, "Delegates not implemnented");
#else
return(new ExtractValue(new DelegateGenerator(translator, paramType).extractGenerated));
#endif
}
else if (paramType.IsInterface && luatype == LuaTypes.LUA_TTABLE)
{
#if __NOGEN__
translator.throwError(luaState, "Interfaces not implemnented");
#else
return(new ExtractValue(new ClassGenerator(translator, paramType).extractGenerated));
#endif
}
else if ((paramType.IsInterface || paramType.IsClass) && luatype == LuaTypes.LUA_TNIL)
{
// kevinh - allow nil to be silently converted to null - extractNetObject will return null when the item ain't found
return(extractNetObject);
}
else if (LuaDLL.lua_type(luaState, stackPos) == LuaTypes.LUA_TTABLE)
{
if (LuaTypes.LUA_TNIL != LuaDLL.luaL_getmetafield(luaState, stackPos, "__index"))
{
object obj = translator.getNetObject(luaState, -1);
LuaDLL.lua_settop(luaState, -2);
if (obj != null && paramType.IsAssignableFrom(obj.GetType()))
{
return(extractNetObject);
}
}
}
else
{
//object obj = translator.getNetObject(luaState, stackPos); //topameng 修改这里使支持注册到c#的lua类
object obj = translator.getRawNetObject(luaState, stackPos);
if (obj != null && paramType.IsAssignableFrom(obj.GetType()))
{
return(extractNetObject);
}
}
return(null);
}
public void LuaGetTable(int idx)
{
LuaDLL.lua_gettable(L, idx);
}
internal ExtractValue checkType(IntPtr luaState, int stackPos, Type paramType)
{
LuaTypes luaTypes = LuaDLL.lua_type(luaState, stackPos);
if (paramType.IsByRef)
{
paramType = paramType.GetElementType();
}
Type underlyingType = Nullable.GetUnderlyingType(paramType);
if (underlyingType != null)
{
paramType = underlyingType;
}
long key = paramType.TypeHandle.Value.ToInt64();
if (paramType.Equals(typeof(object)))
{
return(this.extractValues[key]);
}
if (paramType.IsGenericParameter)
{
if (luaTypes == LuaTypes.LUA_TBOOLEAN)
{
return(this.extractValues[typeof(bool).TypeHandle.Value.ToInt64()]);
}
if (luaTypes == LuaTypes.LUA_TSTRING)
{
return(this.extractValues[typeof(string).TypeHandle.Value.ToInt64()]);
}
if (luaTypes == LuaTypes.LUA_TTABLE)
{
return(this.extractValues[typeof(LuaTable).TypeHandle.Value.ToInt64()]);
}
if (luaTypes == LuaTypes.LUA_TUSERDATA)
{
return(this.extractValues[typeof(object).TypeHandle.Value.ToInt64()]);
}
if (luaTypes == LuaTypes.LUA_TFUNCTION)
{
return(this.extractValues[typeof(LuaFunction).TypeHandle.Value.ToInt64()]);
}
if (luaTypes == LuaTypes.LUA_TNUMBER)
{
return(this.extractValues[typeof(double).TypeHandle.Value.ToInt64()]);
}
}
if (paramType.IsValueType && luaTypes == LuaTypes.LUA_TTABLE)
{
int newTop = LuaDLL.lua_gettop(luaState);
ExtractValue extractValue = null;
LuaDLL.lua_pushvalue(luaState, stackPos);
LuaDLL.lua_pushstring(luaState, "class");
LuaDLL.lua_gettable(luaState, -2);
if (!LuaDLL.lua_isnil(luaState, -1))
{
string a = LuaDLL.lua_tostring(luaState, -1);
if (a == "Vector3" && paramType == typeof(Vector3))
{
extractValue = this.extractValues[typeof(Vector3).TypeHandle.Value.ToInt64()];
}
else if (a == "Vector2" && paramType == typeof(Vector2))
{
extractValue = this.extractValues[typeof(Vector2).TypeHandle.Value.ToInt64()];
}
else if (a == "Quaternion" && paramType == typeof(Quaternion))
{
extractValue = this.extractValues[typeof(Quaternion).TypeHandle.Value.ToInt64()];
}
else if (a == "Color" && paramType == typeof(Color))
{
extractValue = this.extractValues[typeof(Color).TypeHandle.Value.ToInt64()];
}
else if (a == "Vector4" && paramType == typeof(Vector4))
{
extractValue = this.extractValues[typeof(Vector4).TypeHandle.Value.ToInt64()];
}
else if (a == "Ray" && paramType == typeof(Ray))
{
extractValue = this.extractValues[typeof(Ray).TypeHandle.Value.ToInt64()];
}
else
{
extractValue = null;
}
}
LuaDLL.lua_settop(luaState, newTop);
if (extractValue != null)
{
return(extractValue);
}
}
if (LuaDLL.lua_isnumber(luaState, stackPos))
{
return(this.extractValues[key]);
}
if (paramType == typeof(bool))
{
if (LuaDLL.lua_isboolean(luaState, stackPos))
{
return(this.extractValues[key]);
}
}
else if (paramType == typeof(string))
{
if (LuaDLL.lua_isstring(luaState, stackPos))
{
return(this.extractValues[key]);
}
if (luaTypes == LuaTypes.LUA_TNIL)
{
return(this.extractNetObject);
}
}
else if (paramType == typeof(LuaTable))
{
if (luaTypes == LuaTypes.LUA_TTABLE)
{
return(this.extractValues[key]);
}
}
else if (paramType == typeof(LuaFunction))
{
if (luaTypes == LuaTypes.LUA_TFUNCTION)
{
return(this.extractValues[key]);
}
}
else if (typeof(Delegate).IsAssignableFrom(paramType) && luaTypes == LuaTypes.LUA_TFUNCTION)
{
this.translator.throwError(luaState, "Delegates not implemnented");
}
else if (paramType.IsInterface && luaTypes == LuaTypes.LUA_TTABLE)
{
this.translator.throwError(luaState, "Interfaces not implemnented");
}
else
{
if ((paramType.IsInterface || paramType.IsClass) && luaTypes == LuaTypes.LUA_TNIL)
{
return(this.extractNetObject);
}
if (LuaDLL.lua_type(luaState, stackPos) == LuaTypes.LUA_TTABLE)
{
if (LuaDLL.luaL_getmetafield(luaState, stackPos, "__index") != LuaTypes.LUA_TNIL)
{
object netObject = this.translator.getNetObject(luaState, -1);
LuaDLL.lua_settop(luaState, -2);
if (netObject != null && paramType.IsAssignableFrom(netObject.GetType()))
{
return(this.extractNetObject);
}
}
}
else
{
object rawNetObject = this.translator.getRawNetObject(luaState, stackPos);
if (rawNetObject != null && paramType.IsAssignableFrom(rawNetObject.GetType()))
{
return(this.extractNetObject);
}
}
}
return(null);
}