public static int duk_addSearchPath(IntPtr ctx)
{
var path = DuktapeAux.duk_require_string(ctx, 0);
DuktapeVM.GetVM(ctx).AddSearchPath(path);
return(0);
}
public static int duk_dofile(IntPtr ctx)
{
var filename = DuktapeAux.duk_require_string(ctx, 0);
DuktapeVM.GetVM(ctx).EvalFile(filename);
return(0);
}
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_classvalue(IntPtr ctx, int idx, out IO.ByteBuffer o)
{
object obj;
if (duk_get_cached_object(ctx, idx, out obj))
{
if (obj is IO.ByteBuffer)
{
o = (IO.ByteBuffer)obj;
return(true);
}
}
if (DuktapeDLL.duk_is_buffer_data(ctx, idx))
{
var allocator = DuktapeVM.GetVM(ctx).GetByteBufferAllocator();
if (allocator != null)
{
uint length;
var pointer = DuktapeDLL.duk_unity_get_buffer_data(ctx, idx, out length);
o = allocator.Alloc((int)length);
allocator.AutoRelease(o);
o.WriteBytes(pointer, (int)length);
return(true);
}
}
o = null;
return(false);
}
public void Destroy()
{
try
{
_instance = null;
if (_ctx != null)
{
var ctx = _ctx.rawValue;
_ctx.Destroy();
_ctx = null;
_lastContextPtr = IntPtr.Zero;
_lastContext = null;
_contexts.Clear();
_objectCache.Clear();
DuktapeDLL.duk_unity_destroy_heap(ctx);
// Debug.LogWarning("duk_destroy_heap");
}
if (_updateTimer != 0)
{
DuktapeRunner.Clear(_updateTimer);
_updateTimer = 0;
}
}
finally
{
if (_memAllocPool != IntPtr.Zero)
{
Marshal.FreeHGlobal(_memAllocPool);
_memAllocPool = IntPtr.Zero;
}
}
}
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 SourceMap GetSourceMap(IntPtr ctx, string fileName)
{
SourceMap sourceMap;
if (!_sourceMaps.TryGetValue(fileName, out sourceMap))
{
try
{
var vm = DuktapeVM.GetVM(ctx);
var resolvedPath = vm.ResolvePath(fileName + ".map");
if (resolvedPath != null)
{
using (var stream = File.OpenRead(resolvedPath))
{
var parser = new SourceMapParser();
var reader = new StreamReader(stream);
sourceMap = parser.ParseSourceMap(reader);
// Debug.Log($"[SourceMapHelper] parse sourceMap: {sourceMap.File} ({resolvedPath})");
}
}
}
finally
{
_sourceMaps[fileName] = sourceMap;
}
}
return(sourceMap);
}
public static bool duk_get_type(IntPtr ctx, int idx, out Type o)
{
if (DuktapeDLL.duk_is_string(ctx, idx))
{
var name = DuktapeDLL.duk_get_string(ctx, idx);
o = DuktapeAux.GetType(name);
return(o != null);
}
else
{
//TODO: 增加一个隐藏属性记录jsobject对应类型 (constructor, object)
if (DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_EXPORTED_REFID))
{
var vm = DuktapeVM.GetVM(ctx);
var refid = DuktapeDLL.duk_get_uint(ctx, -1);
DuktapeDLL.duk_pop(ctx);
o = vm.GetExportedType(refid);
// Debug.Log($"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($"get type from objectcache registry {o}:{refid}");
return(o != null);
}
}
o = null;
return(false);
}
public static bool duk_get_delegate <T>(IntPtr ctx, int idx, out T o)
where T : class
{
if (DuktapeDLL.duk_is_object(ctx, idx) ||/* && check if js delegate type (hidden property) */
DuktapeDLL.duk_is_function(ctx, idx))
{
DuktapeDLL.duk_get_prop_string(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE_WEAK);
var refid = DuktapeDLL.duk_get_int(ctx, -1);
DuktapeDLL.duk_pop(ctx);
var cache = DuktapeVM.GetObjectCache(ctx);
DuktapeDelegate fn;
if (cache.TryGetTypedWeakObject(refid, out fn) && fn != null)
{
o = fn.target as T;
return(true);
}
// 默认赋值操作
DuktapeDLL.duk_dup(ctx, idx);
var heapptr = DuktapeDLL.duk_get_heapptr(ctx, idx);
fn = new DuktapeDelegate(ctx, DuktapeDLL.duk_unity_ref(ctx));
var vm = DuktapeVM.GetVM(ctx);
o = vm.CreateDelegate(typeof(T), fn) as T;
// DuktapeDelegate 拥有 js 对象的强引用, 此 js 对象无法释放 cache 中的 object, 所以这里用弱引用注册
// 会出现的问题是, 如果 c# 没有对 DuktapeDelegate 的强引用, 那么反复 get_delegate 会重复创建 DuktapeDelegate
refid = cache.AddWeakObject(fn);
DuktapeDLL.duk_unity_set_prop_i(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE_WEAK, refid);
cache.AddJSValue(o, heapptr);
return(true);
}
o = null;
return(false);
}
private static SourceMap GetSourceMap(IntPtr ctx, string fileName)
{
SourceMap sourceMap;
if (!_sourceMaps.TryGetValue(fileName, out sourceMap))
{
try
{
var fileResolver = DuktapeVM.GetVM(ctx).fileResolver;
var fileContent = fileResolver.ReadAllBytes(fileName + ".map");
if (fileContent != null && fileContent.Length > 0)
{
using (var stream = new MemoryStream(fileContent))
{
var parser = new SourceMapParser();
var reader = new StreamReader(stream);
sourceMap = parser.ParseSourceMap(reader);
// Debug.Log($"[SourceMapHelper] parse sourceMap: {sourceMap.File} ({resolvedPath})");
}
}
}
finally
{
_sourceMaps[fileName] = sourceMap;
}
}
return(sourceMap);
}
public static void duk_bind_native(IntPtr ctx, int idx, object o)
{
var type = o.GetType();
var vm = DuktapeVM.GetVM(ctx);
var cache = vm.GetObjectCache();
var id = cache.AddObject(o);
if (id >= 0)
{
DuktapeDLL.duk_unity_set_refid(ctx, idx, id);
}
if (DuktapeVM.GetVM(ctx).PushChainedPrototypeOf(ctx, type))
{
DuktapeDLL.duk_set_prototype(ctx, -2);
}
else
{
Debug.LogWarning($"no prototype found for {type}");
}
if (!type.IsValueType)
{
var heapptr = DuktapeDLL.duk_get_heapptr(ctx, idx);
cache.AddJSValue(o, heapptr);
}
}
public static bool duk_get_type(IntPtr ctx, int idx, out Type o)
{
if (DuktapeDLL.duk_is_string(ctx, idx))
{
var name = DuktapeDLL.duk_get_string(ctx, idx);
o = DuktapeAux.GetType(name);
return(o != null);
}
else
{
uint refid_t;
//TODO: 增加一个隐藏属性记录jsobject对应类型 (constructor, object)
if (DuktapeDLL.duk_unity_get_type_refid(ctx, idx, out refid_t))
{
var vm = DuktapeVM.GetVM(ctx);
o = vm.GetExportedType(refid_t);
// Debug.Log($"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);
}
public static int duk_dostring(IntPtr ctx)
{
var source = DuktapeDLL.duk_get_string(ctx, 0);
var filename = DuktapeDLL.duk_get_string(ctx, 1);
DuktapeVM.GetVM(ctx).EvalSource(source, filename);
return(0);
}
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);
}
// 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);
}
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);
}
public DuktapeVM(IO.ByteBufferAllocator allocator = null)
{
_instance = this;
_byteBufferAllocator = allocator;
var ctx = DuktapeDLL.duk_create_heap_default();
_ctx = new DuktapeContext(this, ctx);
DuktapeAux.duk_open(ctx);
DuktapeVM.duk_open_module(ctx);
DuktapeDLL.duk_unity_open(ctx);
}
// poolSize: 预分配内存
public DuktapeVM(IO.ByteBufferAllocator allocator = null, int poolSize = 0)
{
_instance = this;
_byteBufferAllocator = allocator;
_memAllocPoolSize = poolSize >= 0 ? (uint)poolSize : 0;
_memAllocPool = _memAllocPoolSize != 0 ? Marshal.AllocHGlobal(poolSize) : IntPtr.Zero;
var ctx = DuktapeDLL.duk_unity_create_heap(_memAllocPool, _memAllocPoolSize);
_ctx = new DuktapeContext(this, ctx);
DuktapeDLL.duk_unity_open(ctx);
DuktapeAux.duk_open(ctx);
DuktapeVM.duk_open_module(ctx);
}
// 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);
}
protected static void duk_begin_special(IntPtr ctx, string name)
{
DuktapeDLL.duk_push_c_function(ctx, object_private_ctor, 0); // ctor
DuktapeDLL.duk_dup(ctx, -1);
DuktapeDLL.duk_dup(ctx, -1);
var typeValue = new DuktapeFunction(ctx, DuktapeDLL.duk_unity_ref(ctx)); // ctor, ctor
DuktapeVM.GetVM(ctx).AddSpecial(name, typeValue);
DuktapeDLL.duk_put_prop_string(ctx, -3, name); // ctor
DuktapeDLL.duk_push_object(ctx); // ctor, prototype
DuktapeDLL.duk_dup_top(ctx); // ctor, prototype, prototype
DuktapeDLL.duk_put_prop_string(ctx, -3, "prototype"); // ctor, prototype
}
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);
}
void OnGUI()
{
var vm = DuktapeVM.GetInstance();
if (vm == null)
{
EditorGUILayout.HelpBox("No Running VM", MessageType.Info);
return;
}
uint objectCount;
uint allocBytes;
uint poolBytes;
vm.GetMemoryState(out objectCount, out allocBytes, out poolBytes);
EditorGUILayout.IntField("Objects", (int)objectCount);
if (allocBytes > 1024 * 1024 * 2)
{
EditorGUILayout.FloatField("Allocated Memory (MB)", (float)allocBytes / 1024f / 1024f);
}
else if (allocBytes > 1024 * 2)
{
EditorGUILayout.FloatField("Allocated Memory (KB)", (float)allocBytes / 1024f);
}
else
{
EditorGUILayout.IntField("Allocated Memory", (int)allocBytes);
}
if (poolBytes != 0)
{
EditorGUILayout.IntField("Pool Size", (int)poolBytes);
EditorGUILayout.FloatField("Used (%)", (float)allocBytes * 100f / poolBytes);
}
EditorGUILayout.IntField("Exported Types", vm.GetExportedTypeCount());
var objectCache = vm.GetObjectCache();
EditorGUILayout.IntField("ManagedObject Count", objectCache.GetManagedObjectCount());
EditorGUILayout.IntField("JSObject Count", objectCache.GetJSObjectCount());
EditorGUILayout.IntField("Delegate Count", objectCache.GetDelegateCount());
var scheduler = DuktapeRunner.GetScheduler();
if (scheduler != null)
{
EditorGUILayout.IntField("Active Timer", scheduler.GetActiveTimeHandleCount());
}
}
// 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);
}
private static void OnPlayModeStateChanged(PlayModeStateChange playModeStateChange)
{
if (playModeStateChange == PlayModeStateChange.EnteredEditMode)
{
EditorApplication.delayCall += () =>
{
var vm = DuktapeVM.GetInstance();
if (vm != null)
{
vm.Destroy();
}
};
}
}
public static int duk_dostring(IntPtr ctx)
{
// var source = DuktapeDLL.duk_get_string(ctx, 0);
uint len;
var buffer_ptr = DuktapeDLL.duk_unity_get_lstring(ctx, 0, out len);
if (len > 0)
{
var bytes = new byte[len];
Marshal.Copy(buffer_ptr, bytes, 0, (int)len);
var filename = DuktapeDLL.duk_get_string(ctx, 1);
DuktapeVM.GetVM(ctx).EvalSource(filename, bytes);
}
return(0);
}
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 DuktapeThread(DuktapeFunction fn)
{
var ctx = fn.ctx;
var vm = DuktapeVM.GetContext(ctx).vm;
var idx = DuktapeDLL.duk_push_thread(ctx);
DuktapeDLL.duk_dup(ctx, -1);
var ptr = DuktapeDLL.duk_get_heapptr(ctx, -1);
_thread = new DuktapeValue(ctx, DuktapeDLL.duk_unity_ref(ctx), ptr);
_threadContext = new DuktapeContext(vm, DuktapeDLL.duk_get_context(ctx, idx));
if (fn.Push(_threadContext.rawValue))
{
}
DuktapeDLL.duk_pop(ctx);
}
