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);
}
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);
}
public static bool duk_get_type(IntPtr ctx, int idx, out Type o)
{
if (DuktapeDLL.duk_is_string(ctx, idx))
{
var name = DuktapeDLL.duk_get_string(ctx, idx);
o = DuktapeAux.GetType(name);
return(o != null);
}
else
{
//TODO: 增加一个隐藏属性记录jsobject对应类型 (constructor, object)
if (DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_EXPORTED_REFID))
{
var vm = DuktapeVM.GetVM(ctx);
var refid = DuktapeDLL.duk_get_uint(ctx, -1);
DuktapeDLL.duk_pop(ctx);
o = vm.GetExportedType(refid);
// Debug.Log($"get type from exported registry {o}:{refid}");
return(o != null);
}
else if (DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE))
{
var cache = DuktapeVM.GetObjectCache(ctx);
var refid = DuktapeDLL.duk_get_int(ctx, -1);
DuktapeDLL.duk_pop(ctx);
cache.TryGetTypedObject(refid, out o);
// Debug.Log($"get type from objectcache registry {o}:{refid}");
return(o != null);
}
}
o = null;
return(false);
}
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 static bool duk_get_type(IntPtr ctx, int idx, out Type o)
{
if (DuktapeDLL.duk_is_string(ctx, idx))
{
var name = DuktapeDLL.duk_get_string(ctx, idx);
o = DuktapeAux.GetType(name);
return(o != null);
}
else
{
uint refid_t;
//TODO: 增加一个隐藏属性记录jsobject对应类型 (constructor, object)
if (DuktapeDLL.duk_unity_get_type_refid(ctx, idx, out refid_t))
{
var vm = DuktapeVM.GetVM(ctx);
o = vm.GetExportedType(refid_t);
// Debug.Log($"get type from exported registry {o}:{refid}");
return(o != null);
}
else
{
int refid;
if (DuktapeDLL.duk_unity_get_refid(ctx, idx, out refid))
{
var cache = DuktapeVM.GetObjectCache(ctx);
cache.TryGetTypedObject(refid, out o);
// Debug.Log($"get type from objectcache registry {o}:{refid}");
return(o != null);
}
}
}
o = null;
return(false);
}
// private static void duk_unity_unref_delegate(IntPtr ctx, uint refid, object target)
// {
// var cache = DuktapeVM.GetObjectCache(ctx);
// cache.RemoveJSValue(target);
// }
private static void duk_unity_unref(IntPtr ctx, uint refid, object target)
{
var cache = DuktapeVM.GetObjectCache(ctx);
var t = cache.RemoveDelegate((IntPtr)target);
// Debug.LogErrorFormat("release delegate ptr {0} {1}", target, t);
DuktapeDLL.duk_unity_unref(ctx, refid);
}
private static void duk_unity_unref(IntPtr ctx, uint refid, object target)
{
var cache = DuktapeVM.GetObjectCache(ctx);
// cache.RemoveJSValue(target);
cache.RemoveDelegate((IntPtr)target);
DuktapeDLL.duk_unity_unref(ctx, refid);
}
public static bool duk_rebind_native(IntPtr ctx, int idx, object o)
{
int id;
if (DuktapeDLL.duk_unity_get_refid(ctx, idx, out id))
{
return(DuktapeVM.GetObjectCache(ctx).ReplaceObject(id, o));
}
return(false);
}
protected static int object_dtor(IntPtr ctx)
{
if (DuktapeDLL.duk_get_prop_string(ctx, 0, DuktapeVM.OBJ_PROP_NATIVE))
{
var id = DuktapeDLL.duk_get_int(ctx, -1);
DuktapeVM.GetObjectCache(ctx)?.RemoveObject(id);
}
DuktapeDLL.duk_pop(ctx); // pop native
return(0);
}
protected static int object_dtor(IntPtr ctx)
{
int id;
if (DuktapeDLL.duk_unity_get_refid(ctx, 0, out id))
{
// Debug.LogErrorFormat("remove refid {0}", id);
DuktapeVM.GetObjectCache(ctx)?.RemoveObject(id);
}
return(0);
}
public static bool duk_get_cached_object(IntPtr ctx, int idx, out object o)
{
int id;
if (DuktapeDLL.duk_unity_get_refid(ctx, idx, out id))
{
return(DuktapeVM.GetObjectCache(ctx).TryGetObject(id, out o));
}
//TODO: if o is Delegate, try get from delegate cache list
o = null;
return(false);
}
// push 一个对象实例 （调用者需要自行负责提前null检查）
private static void duk_push_object(IntPtr ctx, object o)
{
var cache = DuktapeVM.GetObjectCache(ctx);
IntPtr heapptr;
if (cache.TryGetJSValue(o, out heapptr))
{
DuktapeDLL.duk_push_heapptr(ctx, heapptr);
return;
}
DuktapeDLL.duk_push_object(ctx);
duk_bind_native(ctx, -1, o);
}
public static bool duk_rebind_native(IntPtr ctx, int idx, object o)
{
if (DuktapeDLL.duk_is_null_or_undefined(ctx, idx)) // or check for object?
{
return(true);
}
int id;
if (DuktapeDLL.duk_unity_get_refid(ctx, idx, out id))
{
return(DuktapeVM.GetObjectCache(ctx).ReplaceObject(id, o));
}
return(false);
}
// push 一个对象实例 （调用者需要自行负责提前null检查）
private static void duk_push_object(IntPtr ctx, object o)
{
var cache = DuktapeVM.GetObjectCache(ctx);
IntPtr heapptr;
if (cache.TryGetJSValue(o, out heapptr))
{
// Debug.LogWarningFormat("cache hit push {0}", heapptr);
DuktapeDLL.duk_push_heapptr(ctx, heapptr);
return;
}
DuktapeDLL.duk_push_object(ctx);
duk_bind_native(ctx, -1, o);
}
public static bool duk_get_cached_object(IntPtr ctx, int idx, out object o)
{
if (DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE))
{
var id = DuktapeDLL.duk_get_int(ctx, -1);
DuktapeDLL.duk_pop(ctx);
return(DuktapeVM.GetObjectCache(ctx).TryGetObject(id, out o));
}
else
{
DuktapeDLL.duk_pop(ctx);
}
o = null;
return(false);
}
public static bool duk_rebind_native(IntPtr ctx, int idx, object o)
{
if (DuktapeDLL.duk_is_null_or_undefined(ctx, idx)) // or check for object?
{
return(true);
}
if (DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE))
{
var id = DuktapeDLL.duk_get_int(ctx, -1);
DuktapeDLL.duk_pop(ctx); // pop OBJ_PROP_NATIVE
return(DuktapeVM.GetObjectCache(ctx).ReplaceObject(id, o));
}
else
{
DuktapeDLL.duk_pop(ctx);
}
return(false);
}
public static void duk_bind_native(IntPtr ctx, int idx, object o)
{
var cache = DuktapeVM.GetObjectCache(ctx);
var id = cache.AddObject(o);
DuktapeDLL.duk_unity_set_refid(ctx, idx, id);
if (DuktapeVM.GetVM(ctx).PushChainedPrototypeOf(ctx, o.GetType()))
{
DuktapeDLL.duk_set_prototype(ctx, -2);
}
else
{
Debug.LogWarning($"no prototype found for {o.GetType()}");
}
if (!o.GetType().IsValueType)
{
var heapptr = DuktapeDLL.duk_get_heapptr(ctx, idx);
cache.AddJSValue(o, heapptr);
}
}
private static void duk_unity_unref(IntPtr ctx, uint refid, object target)
{
DuktapeVM.GetObjectCache(ctx).RemoveJSValue(target);
DuktapeDLL.duk_unity_unref(ctx, refid);
}
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);
}
}
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);
}
}
