public void EvalSource(string source, string filename)
{
if (filename == null)
{
filename = "eval";
}
if (string.IsNullOrEmpty(source))
{
return;
}
var ctx = _ctx.rawValue;
DuktapeDLL.duk_push_string(ctx, source);
DuktapeDLL.duk_push_string(ctx, filename);
if (DuktapeDLL.duk_pcompile(ctx, 0) != 0)
{
DuktapeAux.PrintError(ctx, -1, filename);
DuktapeDLL.duk_pop(ctx);
}
else
{
// Debug.LogFormat("check top {0}", DuktapeDLL.duk_get_top(ctx));
if (DuktapeDLL.duk_pcall(ctx, 0) != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1, filename);
}
DuktapeDLL.duk_pop(ctx);
// Debug.LogFormat("check top {0}", DuktapeDLL.duk_get_top(ctx));
}
}
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 duk_ret_t cb_load_module(IntPtr ctx)
{
var module_id = DuktapeAux.duk_require_string(ctx, 0);
DuktapeDLL.duk_get_prop_string(ctx, 2, "filename");
var filename = DuktapeAux.duk_require_string(ctx, -1);
var source = GetVM(ctx)._fileResolver.ReadAllBytes(filename);
// Debug.LogFormat("cb_load_module module_id:'{0}', filename:'{1}', resolved:'{2}'\n", module_id, filename, resolvedPath);
do
{
if (source != null && source.Length > 0) // bytecode is unsupported
{
if (source[0] != 0xbf)
{
DuktapeDLL.duk_unity_push_lstring(ctx, source, (uint)source.Length);
}
else
{
DuktapeDLL.duk_type_error(ctx, "cannot load module (bytecode): %s", module_id);
}
break;
}
DuktapeDLL.duk_type_error(ctx, "cannot load module: %s", module_id);
} while (false);
return(1);
}
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 void EvalMain(string filename, byte[] source)
{
if (source == null || source.Length == 0)
{
return;
}
if (source[0] == 0xbf)
{
//NOTE: module is not supported in bytecode mode
EvalSource(filename, source);
}
else
{
if (filename == null)
{
filename = "eval";
}
var ctx = _ctx.rawValue;
var top = DuktapeDLL.duk_get_top(ctx);
DuktapeDLL.duk_unity_push_lstring(ctx, source, (uint)source.Length);
var err = DuktapeDLL.duk_module_node_peval_main(ctx, filename);
// var err = DuktapeDLL.duk_peval(ctx);
// var err = DuktapeDLL.duk_peval_string_noresult(ctx, source);
// Debug.Log($"load main module: {filename} ({resolvedPath})");
if (err != 0)
{
DuktapeAux.PrintError(ctx, -1, filename);
// Debug.LogErrorFormat("eval main error: {0}\n{1}", DuktapeDLL.duk_safe_to_string(ctx, -1), filename);
}
DuktapeDLL.duk_set_top(ctx, top);
}
}
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 bool InvokeMemberWithBooleanReturn(string name)
{
var member = GetMember(name);
if (member != null)
{
var ctx = member.context.rawValue;
if (ctx != IntPtr.Zero)
{
member.Push(ctx);
this.Push(ctx);
var ret = DuktapeDLL.duk_pcall_method(ctx, 0);
if (ret != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1);
DuktapeDLL.duk_pop(ctx);
throw new Exception("InvokeMemberWithBooleanReturn failed");
}
var o = DuktapeDLL.duk_get_boolean_default(ctx, -1, false);
DuktapeDLL.duk_pop(ctx);
return(o);
}
}
return(false);
}
public static int GetType(IntPtr ctx)
{
string name;
duk_get_primitive(ctx, 0, out name);
//TODO: type 缓存; 从 jsobject hidden property 中读 refid
var type = DuktapeAux.GetType(name);
duk_push_classvalue(ctx, type);
return(1);
}
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);
}
// 根据当前栈参数数量调用函数
// 调用失败时抛异常， 成功时栈上保留返回值
public void EndInvoke(IntPtr ctx)
{
var nargs = DuktapeDLL.duk_get_top(ctx) - _savedState;
var ret = DuktapeDLL.duk_pcall_method(ctx, nargs);
if (ret != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1);
DuktapeDLL.duk_pop(ctx);
throw new Exception("duktape delegate exception");
}
}
// 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);
}
// 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);
}
public byte[] Compile(string filename, byte[] bytes)
{
try
{
// return _vm.DumpBytecode(filename, bytes);
return(DuktapeAux.DumpBytecode(_ctx, filename, bytes));
}
catch (Exception exception)
{
Debug.LogError(exception);
return(null);
}
}
public object EvalSource(string filename, byte[] source)
{
object retValue = null;
if (source == null || source.Length == 0)
{
return(retValue);
}
if (filename == null)
{
filename = "eval";
}
var ctx = _ctx.rawValue;
if (source[0] == 0xbf)
{
// load bytecode...
var buffer_ptr = DuktapeDLL.duk_push_fixed_buffer(ctx, (uint)source.Length);
Marshal.Copy(source, 0, buffer_ptr, source.Length);
DuktapeDLL.duk_load_function(ctx);
}
else
{
DuktapeDLL.duk_unity_push_lstring(ctx, source, (uint)source.Length);
DuktapeDLL.duk_push_string(ctx, filename);
if (DuktapeDLL.duk_pcompile(ctx, 0) != 0)
{
DuktapeAux.PrintError(ctx, -1, filename);
DuktapeDLL.duk_pop(ctx);
throw new Exception("[duktape] source compile failed");
}
}
// Debug.LogFormat("check top {0}", DuktapeDLL.duk_get_top(ctx));
if (DuktapeDLL.duk_pcall(ctx, 0) != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1, filename);
DuktapeDLL.duk_pop(ctx);
throw new Exception("[duktape] source eval failed");
}
DuktapeBinding.duk_get_var(ctx, -1, out retValue);
DuktapeDLL.duk_pop(ctx);
return(retValue);
// Debug.LogFormat("check top {0}", DuktapeDLL.duk_get_top(ctx));
}
// 函数对象以及nargs数的参数必须由调用者保证已经入栈, 然后才能调用 _InternalCall
// 调用完成后栈顶为函数返回值, 或异常对象
public void _InternalPCall(IntPtr ctx, int nargs)
{
if (_argv != null)
{
var length = _argv.Length;
nargs += length;
for (var i = 0; i < length; i++)
{
_argv[i].Push(ctx);
}
}
var ret = DuktapeDLL.duk_pcall(ctx, nargs);
if (ret != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1);
// throw new Exception(err);
}
}
public void EvalSource(string filename, byte[] source)
{
if (source == null || source.Length == 0)
{
return;
}
if (filename == null)
{
filename = "eval";
}
var ctx = _ctx.rawValue;
do
{
if (source[0] == 0xbf)
{
// load bytecode...
var buffer_ptr = DuktapeDLL.duk_push_fixed_buffer(ctx, (uint)source.Length);
Marshal.Copy(source, 0, buffer_ptr, source.Length);
DuktapeDLL.duk_load_function(ctx);
}
else
{
DuktapeDLL.duk_unity_push_lstring(ctx, source, (uint)source.Length);
DuktapeDLL.duk_push_string(ctx, filename);
if (DuktapeDLL.duk_pcompile(ctx, 0) != 0)
{
DuktapeAux.PrintError(ctx, -1, filename);
DuktapeDLL.duk_pop(ctx);
break;
}
}
// Debug.LogFormat("check top {0}", DuktapeDLL.duk_get_top(ctx));
if (DuktapeDLL.duk_pcall(ctx, 0) != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1, filename);
}
DuktapeDLL.duk_pop(ctx);
// Debug.LogFormat("check top {0}", DuktapeDLL.duk_get_top(ctx));
} while (false);
}
public void InvokeMember(string name)
{
var member = GetMember(name);
if (member != null)
{
var ctx = member.context.rawValue;
if (ctx != IntPtr.Zero)
{
member.Push(ctx);
this.Push(ctx);
var ret = DuktapeDLL.duk_pcall_method(ctx, 0);
if (ret != DuktapeDLL.DUK_EXEC_SUCCESS)
{
DuktapeAux.PrintError(ctx, -1);
// throw new Exception(err);
}
DuktapeDLL.duk_pop(ctx);
}
}
}
public void EvalMain(string filename)
{
filename = EnsureExtension(filename);
var ctx = _ctx.rawValue;
var top = DuktapeDLL.duk_get_top(ctx);
var resolvedPath = ResolvePath(filename);
var source = _fileManager.ReadAllText(resolvedPath);
DuktapeDLL.duk_push_string(ctx, source);
var err = DuktapeDLL.duk_module_node_peval_main(ctx, filename);
// var err = DuktapeDLL.duk_peval(ctx);
// var err = DuktapeDLL.duk_peval_string_noresult(ctx, source);
// Debug.Log($"load main module: {filename} ({resolvedPath})");
if (err != 0)
{
DuktapeAux.PrintError(ctx, -1, filename);
// Debug.LogErrorFormat("eval main error: {0}\n{1}", DuktapeDLL.duk_safe_to_string(ctx, -1), filename);
}
DuktapeDLL.duk_set_top(ctx, top);
}
private static duk_ret_t cb_resolve_module(IntPtr ctx)
{
var module_id = EnsureExtension(DuktapeAux.duk_require_string(ctx, 0));
var parent_id = DuktapeAux.duk_require_string(ctx, 1);
var resolve_to = module_id;
// Debug.LogFormat("cb_resolve_module module_id:'{0}', parent_id:'{1}'\n", module_id, parent_id);
if (module_id.StartsWith("./") || module_id.StartsWith("../") || module_id.Contains("/./") || module_id.Contains("/../"))
{
// 显式相对路径直接从 parent 模块路径拼接
var parent_path = PathUtils.GetDirectoryName(parent_id);
try
{
resolve_to = PathUtils.ExtractPath(PathUtils.Combine(parent_path, module_id), '/');
}
catch
{
// 不能提升到源代码目录外面
DuktapeDLL.duk_type_error(ctx, "invalid module path (out of sourceRoot): %s", module_id);
return(1);
}
}
// Debug.LogFormat("resolve_cb(1): id:{0}', parent-id:'{1}', resolve-to:'{2}'", module_id, parent_id, resolve_to);
// if (GetVM(ctx).ResolvePath(resolve_to) == null)
// {
// DuktapeDLL.duk_type_error(ctx, "cannot find module: %s", module_id);
// return 1;
// }
if (resolve_to != null)
{
DuktapeDLL.duk_push_string(ctx, resolve_to);
}
else
{
DuktapeDLL.duk_type_error(ctx, "cannot find module: %s", module_id);
}
return(1);
}
private static duk_ret_t cb_load_module(IntPtr ctx)
{
var module_id = DuktapeAux.duk_require_string(ctx, 0);
DuktapeDLL.duk_get_prop_string(ctx, 2, "filename");
var filename = DuktapeAux.duk_require_string(ctx, -1);
var resolvedPath = GetVM(ctx).ResolvePath(filename);
// Debug.LogFormat("cb_load_module module_id:'{0}', filename:'{1}', resolved:'{2}'\n", module_id, filename, resolvedPath);
var source = GetVM(ctx)._fileManager.ReadAllText(resolvedPath);
if (source != null)
{
DuktapeDLL.duk_push_string(ctx, source);
}
else
{
DuktapeDLL.duk_type_error(ctx, "cannot load module: %s", module_id);
}
return(1);
}
public static byte[] DumpBytecode(IntPtr ctx, string filename, byte[] source)
{
if (ctx == IntPtr.Zero)
{
throw new InvalidOperationException();
}
if (source == null || source.Length == 0)
{
return(null);
}
if (source[0] == 0xbf)
{
return(source);
}
if (filename == null)
{
filename = "eval";
}
DuktapeDLL.duk_unity_push_lstring(ctx, source, (uint)source.Length);
DuktapeDLL.duk_push_string(ctx, filename);
if (DuktapeDLL.duk_pcompile(ctx, 0) != 0)
{
DuktapeAux.PrintError(ctx, -1, filename);
DuktapeDLL.duk_pop(ctx);
return(null);
}
else
{
DuktapeDLL.duk_dump_function(ctx);
uint buffer_size;
var buffer_ptr = DuktapeDLL.duk_unity_require_buffer_data(ctx, -1, out buffer_size);
var bytes = new byte[buffer_size];
Marshal.Copy(buffer_ptr, bytes, 0, (int)buffer_size);
DuktapeDLL.duk_pop(ctx);
return(bytes);
}
}
private IEnumerator _InitializeStep(IDuktapeListener listener, int step)
{
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);
DuktapeDLL.duk_push_global_object(ctx);
DuktapeJSBuiltins.reg(ctx);
listener?.OnTypesBinding(this);
var exportedTypes = this.GetType().Assembly.GetExportedTypes();
var bindingTypes = new List <Type>(exportedTypes.Length);
var ctxAsArgs = new object[] { ctx };
for (int i = 0, size = exportedTypes.Length; i < size; i++)
{
var type = exportedTypes[i];
#if UNITY_EDITOR
if (type.IsDefined(typeof(JSAutoRunAttribute), false))
{
try
{
var run = type.GetMethod("Run", BindingFlags.Static | BindingFlags.Public);
if (run != null)
{
run.Invoke(null, null);
}
}
catch (Exception exception)
{
Debug.LogWarning($"JSAutoRun failed: {exception}");
}
continue;
}
#endif
var attributes = type.GetCustomAttributes(typeof(JSBindingAttribute), false);
if (attributes.Length == 1)
{
var jsBinding = attributes[0] as JSBindingAttribute;
if (jsBinding.Version == 0 || jsBinding.Version == VERSION)
{
bindingTypes.Add(type);
}
else
{
if (listener != null)
{
listener.OnBindingError(this, type);
}
}
}
}
var numRegInvoked = bindingTypes.Count;
for (var i = 0; i < numRegInvoked; ++i)
{
var type = bindingTypes[i];
var reg = type.GetMethod("reg");
if (reg != null)
{
reg.Invoke(null, ctxAsArgs);
if (listener != null)
{
listener.OnProgress(this, i, numRegInvoked);
}
if (i % step == 0)
{
yield return(null);
}
}
}
if (listener != null)
{
listener.OnBinded(this, numRegInvoked);
}
// Debug.LogFormat("exported {0} classes", _exported.Count);
// 设置导出类的继承链
foreach (var kv in _exported)
{
var type = kv.Key;
var baseType = type.BaseType;
if (baseType == null)
{
// Debug.Log($"baseType is null, for {type}");
continue;
}
var fn = kv.Value;
fn.PushPrototype(ctx);
if (PushChainedPrototypeOf(ctx, baseType))
{
// Debug.LogFormat($"set {type} super {baseType}");
DuktapeDLL.duk_set_prototype(ctx, -2);
}
else
{
Debug.LogWarning($"fail to push prototype, for {type}: {baseType}");
}
DuktapeDLL.duk_pop(ctx);
}
DuktapeJSBuiltins.postreg(ctx);
DuktapeDLL.duk_pop(ctx); // pop global
_updateTimer = DuktapeRunner.SetInterval(this.OnUpdate, 100f);
if (listener != null)
{
listener.OnLoaded(this);
}
}
public byte[] DumpBytecode(string filename, byte[] source)
{
return(_ctx != null?DuktapeAux.DumpBytecode(_ctx.rawValue, filename, source) : null);
}