public static bool duk_get_delegate <T>(IntPtr ctx, int idx, out T o)
where T : class
{
if (DuktapeDLL.duk_is_object(ctx, idx) ||/* && check if js delegate type (hidden property) */
DuktapeDLL.duk_is_function(ctx, idx))
{
var heapptr = DuktapeDLL.duk_get_heapptr(ctx, idx);
var cache = DuktapeVM.GetObjectCache(ctx);
DuktapeDelegate fn;
if (cache.TryGetDelegate(heapptr, out fn))
{
// Debug.LogWarningFormat("cache hit {0}", heapptr);
o = fn.target as T;
return(true);
}
// 默认赋值操作
DuktapeDLL.duk_dup(ctx, idx);
fn = new DuktapeDelegate(ctx, DuktapeDLL.duk_unity_ref(ctx));
var vm = DuktapeVM.GetVM(ctx);
o = vm.CreateDelegate(typeof(T), fn) as T;
// DuktapeDelegate 拥有 js 对象的强引用, 此 js 对象无法释放 cache 中的 object, 所以这里用弱引用注册
// 会出现的问题是, 如果 c# 没有对 DuktapeDelegate 的强引用, 那么反复 get_delegate 会重复创建 DuktapeDelegate
// Debug.LogWarningFormat("cache create : {0}", heapptr);
cache.AddDelegate(heapptr, fn);
return(true);
}
o = null;
return(false);
}
private static int _GetTimerFunction(IntPtr ctx, out DuktapeFunction fn)
{
if (!DuktapeDLL.duk_is_function(ctx, 0))
{
fn = null;
return(0);
}
if (!DuktapeDLL.duk_is_number(ctx, 1))
{
fn = null;
return(1);
}
var top_index = DuktapeDLL.duk_get_top_index(ctx);
// Debug.Log($"_GetTimerFunction {top} ?? {DuktapeDLL.duk_get_top(ctx)}");
DuktapeValue[] argv = null;
if (top_index > 1)
{
argv = new DuktapeValue[top_index - 1];
for (var i = 2; i <= top_index; i++)
{
DuktapeDLL.duk_dup(ctx, i);
var argPtr = DuktapeDLL.duk_get_heapptr(ctx, -1);
argv[i - 2] = new DuktapeValue(ctx, DuktapeDLL.duk_unity_ref(ctx), argPtr);
}
}
DuktapeDLL.duk_dup(ctx, 0);
var fnPtr = DuktapeDLL.duk_get_heapptr(ctx, -1);
fn = new DuktapeFunction(ctx, DuktapeDLL.duk_unity_ref(ctx), fnPtr, argv);
return(-1);
}
public static bool duk_get_delegate <T>(IntPtr ctx, int idx, out T o)
where T : class
{
//TODO: 20200320 !!! 如果 o 不是 jsobject, 且是 Delegate 但不是 DuktapeDelegate, 则 ... 处理
if (DuktapeDLL.duk_is_object(ctx, idx) || DuktapeDLL.duk_is_function(ctx, idx))
{
var heapptr = DuktapeDLL.duk_get_heapptr(ctx, idx);
var cache = DuktapeVM.GetObjectCache(ctx);
DuktapeDelegate fn;
if (cache.TryGetDelegate(heapptr, out fn))
{
// Debug.LogWarningFormat("cache hit {0}", heapptr);
o = fn.target as T;
return(true);
}
// 默认赋值操作
DuktapeDLL.duk_dup(ctx, idx);
fn = new DuktapeDelegate(ctx, DuktapeDLL.duk_unity_ref(ctx), heapptr);
var vm = DuktapeVM.GetVM(ctx);
o = vm.CreateDelegate(typeof(T), fn) as T;
// DuktapeDelegate 拥有 js 对象的强引用, 此 js 对象无法释放 cache 中的 object, 所以这里用弱引用注册
// 会出现的问题是, 如果 c# 没有对 DuktapeDelegate 的强引用, 那么反复 get_delegate 会重复创建 DuktapeDelegate
// Debug.LogWarningFormat("cache create : {0}", heapptr);
cache.AddDelegate(heapptr, fn);
return(true);
}
// else if (DuktapeDLL.duk_is_object(ctx, idx))
// {
// return duk_get_classvalue<T>(ctx, idx, out o);
// }
o = null;
return(false);
}
public DuktapeFunction GetMember(string name)
{
DuktapeFunction method = null;
if (!_methodCache.TryGetValue(name, out method))
{
var ctx = _context.rawValue;
if (ctx != IntPtr.Zero)
{
this.PushProperty(ctx, name);
if (DuktapeDLL.duk_is_function(ctx, -1))
{
var ptr = DuktapeDLL.duk_get_heapptr(ctx, -1);
var refid = DuktapeDLL.duk_unity_ref(ctx);
method = new DuktapeFunction(ctx, refid, ptr);
}
else
{
DuktapeDLL.duk_pop(ctx);
}
}
_methodCache[name] = method;
}
return(method);
}
public static bool duk_get_delegate <T>(IntPtr ctx, int idx, out T o)
where T : class
{
if (DuktapeDLL.duk_is_object(ctx, idx) ||/* && check if js delegate type (hidden property) */
DuktapeDLL.duk_is_function(ctx, idx))
{
DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE_WEAK);
var refid = DuktapeDLL.duk_get_int(ctx, -1);
DuktapeDLL.duk_pop(ctx);
var cache = DuktapeVM.GetObjectCache(ctx);
DuktapeDelegate fn;
if (cache.TryGetTypedWeakObject(refid, out fn) && fn != null)
{
o = fn.target as T;
return(true);
}
// 默认赋值操作
DuktapeDLL.duk_dup(ctx, idx);
var heapptr = DuktapeDLL.duk_get_heapptr(ctx, idx);
fn = new DuktapeDelegate(ctx, DuktapeDLL.duk_unity_ref(ctx));
var vm = DuktapeVM.GetVM(ctx);
o = vm.CreateDelegate(typeof(T), fn) as T;
// DuktapeDelegate 拥有 js 对象的强引用, 此 js 对象无法释放 cache 中的 object, 所以这里用弱引用注册
// 会出现的问题是, 如果 c# 没有对 DuktapeDelegate 的强引用, 那么反复 get_delegate 会重复创建 DuktapeDelegate
refid = cache.AddWeakObject(fn);
DuktapeDLL.duk_unity_set_prop_i(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE_WEAK, refid);
cache.AddJSValue(o, heapptr);
return(true);
}
o = null;
return(false);
}
// 获取全局函数并调用 (do not cache it)
public void Invoke(string funcName)
{
DuktapeDLL.duk_push_global_object(_ctx);
DuktapeDLL.duk_get_prop_string(_ctx, -1, funcName);
if (DuktapeDLL.duk_is_function(_ctx, -1))
{
if (DuktapeDLL.duk_pcall(_ctx, 0) != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(_ctx, -1);
}
}
DuktapeDLL.duk_pop_2(_ctx);
}
// 记录栈状态
public void BeginInvoke(IntPtr ctx)
{
// Debug.Log($"BeginInvoke: {_savedState}");
if (_jsInvoker == null)
{
this.Push(ctx); // push this
if (!DuktapeDLL.duk_is_function(ctx, -1))
{
// Debug.Log("DuktapeDelegate based on Dispatcher");
DuktapeDLL.duk_get_prop_string(ctx, -1, "dispatch");
DuktapeDLL.duk_remove(ctx, -2); // remove this
}
_jsInvoker = new DuktapeFunction(ctx, DuktapeDLL.duk_unity_ref(ctx));
}
_jsInvoker.Push(ctx); // push function
this.Push(ctx); // push this
_savedState = DuktapeDLL.duk_get_top(ctx);
}
public static bool duk_get_classvalue(IntPtr ctx, int idx, out DuktapeFunction o)
{
if (DuktapeDLL.duk_is_function(ctx, idx))
{
object obj;
if (duk_get_cached_object(ctx, idx, out obj))
{
if (obj is DuktapeFunction)
{
o = (DuktapeFunction)obj;
return(true);
}
}
DuktapeDLL.duk_dup(ctx, idx);
var ptr = DuktapeDLL.duk_get_heapptr(ctx, -1);
var refid = DuktapeDLL.duk_unity_ref(ctx);
o = new DuktapeFunction(ctx, refid, ptr);
return(true);
}
o = null;
return(false);
}
protected static bool duk_match_type(IntPtr ctx, int idx, Type type)
{
if (type == null)
{
return(true);
}
if (type == typeof(object))
{
return(true);
}
if (type == typeof(Type))
{
Type otype;
return(duk_get_type(ctx, idx, out otype)); // 只要求匹配 Type 本身, 不比较具体 Type
// return otype == type;
}
var jstype = DuktapeDLL.duk_get_type(ctx, idx);
switch (jstype)
{
// case duk_type_t.DUK_TYPE_NONE:
case duk_type_t.DUK_TYPE_OBJECT: // objects, arrays, functions, threads
if (DuktapeDLL.duk_is_array(ctx, idx))
{
if (!type.IsArray && !_assignableFromArray.Contains(type))
{
return(false);
}
}
else if (DuktapeDLL.duk_is_function(ctx, idx))
{
//TODO: 完善处理 delegate
return(type == typeof(DuktapeFunction) || type.BaseType == typeof(MulticastDelegate));
}
else if (DuktapeDLL.duk_is_thread(ctx, idx))
{
return(false);
}
int refid;
//TODO: 根据记录在jsobject 上的 分类标记 做进一步分支 (类型, 实例, 或特定优化类型)
if (duk_get_native_refid(ctx, idx, out refid))
{
var cache = DuktapeVM.GetObjectCache(ctx);
return(cache.MatchObjectType(refid, type));
}
return(true);
case duk_type_t.DUK_TYPE_NUMBER:
return(type.IsPrimitive || type.IsEnum);
case duk_type_t.DUK_TYPE_STRING:
return(type == typeof(string));
case duk_type_t.DUK_TYPE_UNDEFINED:
case duk_type_t.DUK_TYPE_NULL:
return(!type.IsValueType && !type.IsPrimitive);
case duk_type_t.DUK_TYPE_BOOLEAN:
return(type == typeof(bool));
case duk_type_t.DUK_TYPE_BUFFER:
return(type == typeof(byte[]) || type == typeof(sbyte[]) /* || type == typeof(DuktapeBuffer) */);
case duk_type_t.DUK_TYPE_POINTER:
// return type == typeof(DuktapePointer);
case duk_type_t.DUK_TYPE_LIGHTFUNC:
default:
return(false);
}
}
protected static bool duk_match_type(IntPtr ctx, int idx, Type type)
{
if (type == null)
{
return(true);
}
if (type == typeof(object))
{
return(true);
}
if (type == typeof(Type))
{
Type otype;
return(duk_get_type(ctx, idx, out otype)); // 只要求匹配 Type 本身, 不比较具体 Type
// return otype == type;
}
var jstype = DuktapeDLL.duk_get_type(ctx, idx);
switch (jstype)
{
// case duk_type_t.DUK_TYPE_NONE:
case duk_type_t.DUK_TYPE_OBJECT: // objects, arrays, functions, threads
if (DuktapeDLL.duk_is_array(ctx, idx))
{
if (!type.IsArray && !_assignableFromArray.Contains(type))
{
return(false);
}
}
else if (DuktapeDLL.duk_is_function(ctx, idx))
{
//TODO: 完善处理 delegate
return(type == typeof(DuktapeFunction) || type.BaseType == typeof(MulticastDelegate));
}
else if (DuktapeDLL.duk_is_thread(ctx, idx))
{
return(false);
}
int refid;
if (duk_get_native_refid(ctx, idx, out refid))
{
var cache = DuktapeVM.GetObjectCache(ctx);
return(cache.MatchObjectType(refid, type));
}
int typeid;
if (DuktapeDLL.duk_unity_get_type_refid(ctx, idx, out typeid))
{
var vm = DuktapeVM.GetVM(ctx);
var eType = vm.GetExportedType(typeid);
if (eType != null)
{
// Debug.LogFormat("match type? {0} {1} {2}", eType, type, typeid);
return(eType == type);
}
// Debug.LogFormat("match type {0} with typeid {1}", type, typeid);
}
return(type.IsSubclassOf(typeof(DuktapeValue)));
case duk_type_t.DUK_TYPE_NUMBER:
return(type.IsPrimitive || type.IsEnum);
case duk_type_t.DUK_TYPE_STRING:
return(type == typeof(string));
case duk_type_t.DUK_TYPE_UNDEFINED:
case duk_type_t.DUK_TYPE_NULL:
return(!type.IsValueType && !type.IsPrimitive);
case duk_type_t.DUK_TYPE_BOOLEAN:
return(type == typeof(bool));
case duk_type_t.DUK_TYPE_BUFFER:
return(type == typeof(byte[]) || type == typeof(sbyte[]) /* || type == typeof(DuktapeBuffer) */);
case duk_type_t.DUK_TYPE_POINTER:
// return type == typeof(DuktapePointer);
case duk_type_t.DUK_TYPE_LIGHTFUNC:
default:
return(false);
}
}
public static bool duk_get_var(IntPtr ctx, int idx, out object o)
{
var jstype = DuktapeDLL.duk_get_type(ctx, idx);
switch (jstype)
{
case duk_type_t.DUK_TYPE_BOOLEAN: /* ECMAScript boolean: 0 or 1 */
{
o = DuktapeDLL.duk_get_boolean(ctx, idx);
return(true);
}
case duk_type_t.DUK_TYPE_NUMBER: /* ECMAScript number: double */
{
o = DuktapeDLL.duk_get_number(ctx, idx);
return(true);
}
case duk_type_t.DUK_TYPE_STRING: /* ECMAScript string: CESU-8 / extended UTF-8 encoded */
{
o = DuktapeDLL.duk_get_string(ctx, idx);
return(true);
}
case duk_type_t.DUK_TYPE_OBJECT: /* ECMAScript object: includes objects, arrays, functions, threads */
{
if (DuktapeDLL.duk_is_function(ctx, idx))
{
DuktapeFunction func;
var r = duk_get_classvalue(ctx, idx, out func);
o = func;
return(r);
}
if (duk_get_cached_object(ctx, idx, out o))
{
return(true);
}
else
{
DuktapeObject val;
var r = duk_get_classvalue(ctx, idx, out val);
o = val;
return(r);
}
}
case duk_type_t.DUK_TYPE_BUFFER: /* fixed or dynamic, garbage collected byte buffer */
{
uint length;
var pointer = DuktapeDLL.duk_unity_get_buffer_data(ctx, idx, out length);
var buffer = new byte[length];
o = buffer;
Marshal.Copy(pointer, buffer, 0, (int)length);
return(true);
}
case duk_type_t.DUK_TYPE_POINTER: /* raw void pointer */
case duk_type_t.DUK_TYPE_LIGHTFUNC: /* lightweight function pointer */
throw new NotImplementedException();
case duk_type_t.DUK_TYPE_NONE: /* no value, e.g. invalid index */
o = null;
return(false);
case duk_type_t.DUK_TYPE_UNDEFINED: /* ECMAScript undefined */
case duk_type_t.DUK_TYPE_NULL: /* ECMAScript null */
o = null;
return(true);
}
o = null;
return(false);
}
