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 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_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 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_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 int duk_dofile(IntPtr ctx)
{
var filename = DuktapeAux.duk_require_string(ctx, 0);
DuktapeVM.GetVM(ctx).EvalFile(filename);
return(0);
}
public static int duk_addSearchPath(IntPtr ctx)
{
var path = DuktapeAux.duk_require_string(ctx, 0);
DuktapeVM.GetVM(ctx).AddSearchPath(path);
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_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 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);
}
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 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);
}
protected static void duk_begin_class(IntPtr ctx, string typename, Type type, DuktapeDLL.duk_c_function ctor)
{
// Debug.LogFormat("begin class {0}", DuktapeDLL.duk_get_top(ctx));
DuktapeDLL.duk_push_c_function(ctx, ctor, DuktapeDLL.DUK_VARARGS); // [ctor]
DuktapeDLL.duk_dup(ctx, -1);
// Debug.LogFormat("begin check {0}", DuktapeDLL.duk_get_top(ctx));
DuktapeDLL.duk_dup(ctx, -1);
var refid = DuktapeVM.GetVM(ctx).AddExported(type, new DuktapeFunction(ctx, DuktapeDLL.duk_unity_ref(ctx)));
DuktapeDLL.duk_push_uint(ctx, refid);
DuktapeDLL.duk_put_prop_string(ctx, -3, DuktapeVM.OBJ_PROP_EXPORTED_REFID);
// Debug.LogFormat("end check {0}", DuktapeDLL.duk_get_top(ctx));
DuktapeDLL.duk_put_prop_string(ctx, -3, typename);
DuktapeDLL.duk_push_object(ctx); // [ctor, prototype]
DuktapeDLL.duk_dup_top(ctx); // [ctor, prototype, prototype]
DuktapeDLL.duk_push_c_function(ctx, object_dtor, 1);
DuktapeDLL.duk_set_finalizer(ctx, -3); // set prototype finalizer
DuktapeDLL.duk_put_prop_string(ctx, -3, "prototype"); // [ctor, prototype]
}
protected static void duk_begin_class(IntPtr ctx, string typename, Type type, DuktapeDLL.duk_c_function ctor)
{
// Debug.LogFormat("begin class {0}", DuktapeDLL.duk_get_top(ctx));
DuktapeDLL.duk_push_c_function(ctx, ctor, DuktapeDLL.DUK_VARARGS); // [ctor]
DuktapeDLL.duk_dup(ctx, -1); // [ctor ctor]
// Debug.LogFormat("begin check {0}", DuktapeDLL.duk_get_top(ctx));
DuktapeDLL.duk_dup(ctx, -1); // [ctor ctor ctor]
var ptr = DuktapeDLL.duk_get_heapptr(ctx, -1);
var typeid = DuktapeVM.GetVM(ctx).AddExportedType(type, new DuktapeFunction(ctx, DuktapeDLL.duk_unity_ref(ctx), ptr));
DuktapeDLL.duk_unity_set_type_refid(ctx, -1, typeid); // constructor_function.!type == typeid
// Debug.LogFormat("end check {0}", DuktapeDLL.duk_get_top(ctx));
DuktapeDLL.duk_put_prop_string(ctx, -3, typename);
DuktapeDLL.duk_push_object(ctx); // [ctor, prototype]
DuktapeDLL.duk_dup_top(ctx); // [ctor, prototype, prototype]
DuktapeDLL.duk_unity_set_type_refid(ctx, -1, typeid); // prototype.!type == typeid
DuktapeDLL.duk_push_c_function(ctx, object_dtor, 1);
DuktapeDLL.duk_set_finalizer(ctx, -3); // set prototype finalizer
DuktapeDLL.duk_put_prop_string(ctx, -3, "prototype"); // [ctor, prototype]
}
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_prop_i(ctx, idx, DuktapeVM.OBJ_PROP_NATIVE, 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 string duk_get_stacktrace(IntPtr ctx)
{
var stacktrace = "\n";
uint malloc_count = 0;
uint malloc_size = 0;
var vm = DuktapeVM.GetVM(ctx);
if (vm != null)
{
vm.GetMemoryState(out malloc_count, out malloc_size);
if (malloc_count != 0)
{
stacktrace += $"allocations: {malloc_count} [{malloc_size}]\n";
}
}
stacktrace += "stacktrace:\n";
for (int i = -2; ; i--)
{
DuktapeDLL.duk_inspect_callstack_entry(ctx, i);
if (!DuktapeDLL.duk_is_undefined(ctx, -1))
{
DuktapeDLL.duk_get_prop_string(ctx, -1, "lineNumber");
var lineNumber = DuktapeDLL.duk_to_int(ctx, -1);
DuktapeDLL.duk_get_prop_string(ctx, -2, "function");
DuktapeDLL.duk_get_prop_string(ctx, -1, "name");
var funcName = DuktapeDLL.duk_safe_to_string(ctx, -1);
DuktapeDLL.duk_get_prop_string(ctx, -2, "fileName");
var fileName = DuktapeDLL.duk_safe_to_string(ctx, -1);
DuktapeDLL.duk_pop_n(ctx, 4);
stacktrace += (duk_source_position ?? default_duk_source_position)(ctx, funcName, fileName, lineNumber);
stacktrace += "\n";
}
else
{
DuktapeDLL.duk_pop(ctx);
break;
}
}
return(stacktrace);
}
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);
}
}
