diff --git a/.travis.yml b/.travis.yml index 008e9ed..ec04b80 100644 --- a/.travis.yml +++ b/.travis.yml @@ -12,8 +12,6 @@ env: # https://github.com/jasongin/nvs/blob/master/doc/CI.md - NVS_VERSION=1.4.2 matrix: - - NODEJS_VERSION=node/6 - - NODEJS_VERSION=node/8 - NODEJS_VERSION=node/10 - NODEJS_VERSION=node/12 - NODEJS_VERSION=node/13 @@ -22,7 +20,6 @@ matrix: fast_finish: true allow_failures: - env: NODEJS_VERSION=nightly - - env: NODEJS_VERSION=node/6 sudo: false cache: directories: diff --git a/common.gypi b/common.gypi index 812198a..76f8d25 100644 --- a/common.gypi +++ b/common.gypi @@ -18,7 +18,6 @@ ], 'defines': ['NODE_MAJOR_VERSION=<@(NODE_MAJOR_VERSION)'], 'include_dirs': [" 8 || - (versionArray[0] == 8 && versionArray[1] >= 6) || - (versionArray[0] == 6 && versionArray[1] >= 15) || - (versionArray[0] == 6 && versionArray[1] >= 14 && versionArray[2] >= 2)); - -// The flag is not needed when the Node version is not 8, nor if the API is -// built-in, because we removed the flag at the same time as creating the final -// incarnation of the built-in API. -var needsFlag = (!isNodeApiBuiltin && versionArray[0] == 8); - -var include = [__dirname]; -var gyp = path.join(__dirname, 'src', 'node_api.gyp'); - -if (isNodeApiBuiltin) { - gyp += ':nothing'; -} else { - gyp += ':node-api'; - include.unshift(path.join(__dirname, 'external-napi')); -} +const path = require('path'); module.exports = { - include: include.map(function(item) { - return '"' + item + '"'; - }).join(' '), - gyp: gyp, - isNodeApiBuiltin: isNodeApiBuiltin, - needsFlag: needsFlag + include: `"${__dirname}"`, + gyp: path.join(__dirname, 'nothing.gyp:nothing'), + isNodeApiBuiltin: true, + needsFlag: false }; diff --git a/node_api.gyp b/node_api.gyp new file mode 100644 index 0000000..4ff0ae7 --- /dev/null +++ b/node_api.gyp @@ -0,0 +1,9 @@ +{ + 'targets': [ + { + 'target_name': 'nothing', + 'type': 'static_library', + 'sources': [ 'nothing.c' ] + } + ] +} diff --git a/src/nothing.c b/nothing.c similarity index 100% rename from src/nothing.c rename to nothing.c diff --git a/package.json b/package.json index a03cef5..5e2d23d 100644 --- a/package.json +++ b/package.json @@ -211,6 +211,7 @@ "safe-buffer": "^5.1.1" }, "directories": {}, + "gypfile": false, "homepage": "https://github.com/nodejs/node-addon-api", "keywords": [ "n-api", diff --git a/src/.gitignore b/src/.gitignore deleted file mode 100644 index b7a17b3..0000000 --- a/src/.gitignore +++ /dev/null @@ -1,4 +0,0 @@ -/Debug -/Release -/*.vcxproj* -/*.sln \ No newline at end of file diff --git a/src/node_api.cc b/src/node_api.cc deleted file mode 100644 index dd16016..0000000 --- a/src/node_api.cc +++ /dev/null @@ -1,3649 +0,0 @@ -/****************************************************************************** - * Experimental prototype for demonstrating VM agnostic and ABI stable API - * for native modules to use instead of using Nan and V8 APIs directly. - * - * The current status is "Experimental" and should not be used for - * production applications. The API is still subject to change - * and as an experimental feature is NOT subject to semver. - * - ******************************************************************************/ - -#include -#include -#include // INT_MAX -#include -#include -#include -#include -#include "node_api.h" -#include "node_internals.h" - -#define NAPI_VERSION 1 - -static -napi_status napi_set_last_error(napi_env env, napi_status error_code, - uint32_t engine_error_code = 0, - void* engine_reserved = nullptr); -static -napi_status napi_clear_last_error(napi_env env); - -struct napi_env__ { - explicit napi_env__(v8::Isolate* _isolate): isolate(_isolate), - has_instance_available(true), last_error() {} - ~napi_env__() { - last_exception.Reset(); - has_instance.Reset(); - wrap_template.Reset(); - } - v8::Isolate* isolate; - v8::Persistent last_exception; - v8::Persistent has_instance; - v8::Persistent wrap_template; - bool has_instance_available; - napi_extended_error_info last_error; - int open_handle_scopes = 0; -}; - -#define ENV_OBJECT_TEMPLATE(env, prefix, destination, field_count) \ - do { \ - if ((env)->prefix ## _template.IsEmpty()) { \ - (destination) = v8::ObjectTemplate::New(isolate); \ - (destination)->SetInternalFieldCount((field_count)); \ - (env)->prefix ## _template.Reset(isolate, (destination)); \ - } else { \ - (destination) = v8::Local::New( \ - isolate, env->prefix ## _template); \ - } \ - } while (0) - -#define RETURN_STATUS_IF_FALSE(env, condition, status) \ - do { \ - if (!(condition)) { \ - return napi_set_last_error((env), (status)); \ - } \ - } while (0) - -#define CHECK_ENV(env) \ - if ((env) == nullptr) { \ - return napi_invalid_arg; \ - } - -#define CHECK_ARG(env, arg) \ - RETURN_STATUS_IF_FALSE((env), ((arg) != nullptr), napi_invalid_arg) - -#define CHECK_MAYBE_EMPTY(env, maybe, status) \ - RETURN_STATUS_IF_FALSE((env), !((maybe).IsEmpty()), (status)) - -#define CHECK_MAYBE_NOTHING(env, maybe, status) \ - RETURN_STATUS_IF_FALSE((env), !((maybe).IsNothing()), (status)) - -// NAPI_PREAMBLE is not wrapped in do..while: try_catch must have function scope -#define NAPI_PREAMBLE(env) \ - CHECK_ENV((env)); \ - RETURN_STATUS_IF_FALSE((env), (env)->last_exception.IsEmpty(), \ - napi_pending_exception); \ - napi_clear_last_error((env)); \ - v8impl::TryCatch try_catch((env)) - -#define CHECK_TO_TYPE(env, type, context, result, src, status) \ - do { \ - CHECK_ARG((env), (src)); \ - auto maybe = v8impl::V8LocalValueFromJsValue((src))->To##type((context)); \ - CHECK_MAYBE_EMPTY((env), maybe, (status)); \ - (result) = maybe.ToLocalChecked(); \ - } while (0) - -#define CHECK_TO_FUNCTION(env, result, src) \ - do { \ - CHECK_ARG((env), (src)); \ - v8::Local v8value = v8impl::V8LocalValueFromJsValue((src)); \ - RETURN_STATUS_IF_FALSE((env), v8value->IsFunction(), napi_invalid_arg); \ - (result) = v8value.As(); \ - } while (0) - -#define CHECK_TO_OBJECT(env, context, result, src) \ - CHECK_TO_TYPE((env), Object, (context), (result), (src), napi_object_expected) - -#define CHECK_TO_STRING(env, context, result, src) \ - CHECK_TO_TYPE((env), String, (context), (result), (src), napi_string_expected) - -#define CHECK_TO_NUMBER(env, context, result, src) \ - CHECK_TO_TYPE((env), Number, (context), (result), (src), napi_number_expected) - -#define CHECK_TO_BOOL(env, context, result, src) \ - CHECK_TO_TYPE((env), Boolean, (context), (result), (src), \ - napi_boolean_expected) - -// n-api defines NAPI_AUTO_LENGHTH as the indicator that a string -// is null terminated. For V8 the equivalent is -1. The assert -// validates that our cast of NAPI_AUTO_LENGTH results in -1 as -// needed by V8. -#define CHECK_NEW_FROM_UTF8_LEN(env, result, str, len) \ - do { \ - static_assert(static_cast(NAPI_AUTO_LENGTH) == -1, \ - "Casting NAPI_AUTO_LENGTH to int must result in -1"); \ - RETURN_STATUS_IF_FALSE((env), \ - (len == NAPI_AUTO_LENGTH) || len <= INT_MAX, \ - napi_invalid_arg); \ - auto str_maybe = v8::String::NewFromUtf8( \ - (env)->isolate, (str), v8::NewStringType::kInternalized, \ - static_cast(len)); \ - CHECK_MAYBE_EMPTY((env), str_maybe, napi_generic_failure); \ - (result) = str_maybe.ToLocalChecked(); \ - } while (0) - -#define CHECK_NEW_FROM_UTF8(env, result, str) \ - CHECK_NEW_FROM_UTF8_LEN((env), (result), (str), NAPI_AUTO_LENGTH) - -#define GET_RETURN_STATUS(env) \ - (!try_catch.HasCaught() ? napi_ok \ - : napi_set_last_error((env), napi_pending_exception)) - -#define THROW_RANGE_ERROR_IF_FALSE(env, condition, error, message) \ - do { \ - if (!(condition)) { \ - napi_throw_range_error((env), (error), (message)); \ - return napi_set_last_error((env), napi_generic_failure); \ - } \ - } while (0) - -#define CREATE_TYPED_ARRAY( \ - env, type, size_of_element, buffer, byte_offset, length, out) \ - do { \ - if ((size_of_element) > 1) { \ - THROW_RANGE_ERROR_IF_FALSE( \ - (env), (byte_offset) % (size_of_element) == 0, \ - "ERR_NAPI_INVALID_TYPEDARRAY_ALIGNMENT", \ - "start offset of "#type" should be a multiple of "#size_of_element); \ - } \ - THROW_RANGE_ERROR_IF_FALSE((env), (length) * (size_of_element) + \ - (byte_offset) <= buffer->ByteLength(), \ - "ERR_NAPI_INVALID_TYPEDARRAY_LENGTH", \ - "Invalid typed array length"); \ - (out) = v8::type::New((buffer), (byte_offset), (length)); \ - } while (0) - -#define NAPI_CALL_INTO_MODULE(env, call, handle_exception) \ - do { \ - int open_handle_scopes = (env)->open_handle_scopes; \ - napi_clear_last_error((env)); \ - call; \ - CHECK_EQ((env)->open_handle_scopes, open_handle_scopes); \ - if (!(env)->last_exception.IsEmpty()) { \ - handle_exception( \ - v8::Local::New((env)->isolate, (env)->last_exception)); \ - (env)->last_exception.Reset(); \ - } \ - } while (0) - -#define NAPI_CALL_INTO_MODULE_THROW(env, call) \ - NAPI_CALL_INTO_MODULE((env), call, (env)->isolate->ThrowException) - -namespace { -namespace v8impl { - -// convert from n-api property attributes to v8::PropertyAttribute -static inline v8::PropertyAttribute V8PropertyAttributesFromDescriptor( - const napi_property_descriptor* descriptor) { - unsigned int attribute_flags = v8::PropertyAttribute::None; - - if (descriptor->getter != nullptr || descriptor->setter != nullptr) { - // The napi_writable attribute is ignored for accessor descriptors, but - // V8 requires the ReadOnly attribute to match nonexistence of a setter. - attribute_flags |= (descriptor->setter == nullptr ? - v8::PropertyAttribute::ReadOnly : v8::PropertyAttribute::None); - } else if ((descriptor->attributes & napi_writable) == 0) { - attribute_flags |= v8::PropertyAttribute::ReadOnly; - } - - if ((descriptor->attributes & napi_enumerable) == 0) { - attribute_flags |= v8::PropertyAttribute::DontEnum; - } - if ((descriptor->attributes & napi_configurable) == 0) { - attribute_flags |= v8::PropertyAttribute::DontDelete; - } - - return static_cast(attribute_flags); -} - -class HandleScopeWrapper { - public: - explicit HandleScopeWrapper(v8::Isolate* isolate) : scope(isolate) {} - - private: - v8::HandleScope scope; -}; - -// In node v0.10 version of v8, there is no EscapableHandleScope and the -// node v0.10 port use HandleScope::Close(Local v) to mimic the behavior -// of a EscapableHandleScope::Escape(Local v), but it is not the same -// semantics. This is an example of where the api abstraction fail to work -// across different versions. -class EscapableHandleScopeWrapper { - public: - explicit EscapableHandleScopeWrapper(v8::Isolate* isolate) - : scope(isolate), escape_called_(false) {} - bool escape_called() const { - return escape_called_; - } - template - v8::Local Escape(v8::Local handle) { - escape_called_ = true; - return scope.Escape(handle); - } - - private: - v8::EscapableHandleScope scope; - bool escape_called_; -}; - -static -napi_handle_scope JsHandleScopeFromV8HandleScope(HandleScopeWrapper* s) { - return reinterpret_cast(s); -} - -static -HandleScopeWrapper* V8HandleScopeFromJsHandleScope(napi_handle_scope s) { - return reinterpret_cast(s); -} - -static -napi_escapable_handle_scope JsEscapableHandleScopeFromV8EscapableHandleScope( - EscapableHandleScopeWrapper* s) { - return reinterpret_cast(s); -} - -static -EscapableHandleScopeWrapper* -V8EscapableHandleScopeFromJsEscapableHandleScope( - napi_escapable_handle_scope s) { - return reinterpret_cast(s); -} - -//=== Conversion between V8 Handles and napi_value ======================== - -// This asserts v8::Local<> will always be implemented with a single -// pointer field so that we can pass it around as a void*. -static_assert(sizeof(v8::Local) == sizeof(napi_value), - "Cannot convert between v8::Local and napi_value"); - -static -napi_deferred JsDeferredFromV8Persistent(v8::Persistent* local) { - return reinterpret_cast(local); -} - -static -v8::Persistent* V8PersistentFromJsDeferred(napi_deferred local) { - return reinterpret_cast*>(local); -} - -static -napi_value JsValueFromV8LocalValue(v8::Local local) { - return reinterpret_cast(*local); -} - -static -v8::Local V8LocalValueFromJsValue(napi_value v) { - v8::Local local; - memcpy(&local, &v, sizeof(v)); - return local; -} - -static inline void trigger_fatal_exception( - napi_env env, v8::Local local_err) { - v8::TryCatch try_catch(env->isolate); - env->isolate->ThrowException(local_err); - node::FatalException(env->isolate, try_catch); -} - -static inline napi_status V8NameFromPropertyDescriptor(napi_env env, - const napi_property_descriptor* p, - v8::Local* result) { - if (p->utf8name != nullptr) { - CHECK_NEW_FROM_UTF8(env, *result, p->utf8name); - } else { - v8::Local property_value = - v8impl::V8LocalValueFromJsValue(p->name); - - RETURN_STATUS_IF_FALSE(env, property_value->IsName(), napi_name_expected); - *result = property_value.As(); - } - - return napi_ok; -} - -// Adapter for napi_finalize callbacks. -class Finalizer { - protected: - Finalizer(napi_env env, - napi_finalize finalize_callback, - void* finalize_data, - void* finalize_hint) - : _env(env), - _finalize_callback(finalize_callback), - _finalize_data(finalize_data), - _finalize_hint(finalize_hint) { - } - - ~Finalizer() { - } - - public: - static Finalizer* New(napi_env env, - napi_finalize finalize_callback = nullptr, - void* finalize_data = nullptr, - void* finalize_hint = nullptr) { - return new Finalizer( - env, finalize_callback, finalize_data, finalize_hint); - } - - static void Delete(Finalizer* finalizer) { - delete finalizer; - } - - // node::Buffer::FreeCallback - static void FinalizeBufferCallback(char* data, void* hint) { - Finalizer* finalizer = static_cast(hint); - if (finalizer->_finalize_callback != nullptr) { - NAPI_CALL_INTO_MODULE_THROW(finalizer->_env, - finalizer->_finalize_callback( - finalizer->_env, - data, - finalizer->_finalize_hint)); - } - - Delete(finalizer); - } - - protected: - napi_env _env; - napi_finalize _finalize_callback; - void* _finalize_data; - void* _finalize_hint; -}; - -// Wrapper around v8::Persistent that implements reference counting. -class Reference : private Finalizer { - private: - Reference(napi_env env, - v8::Local value, - uint32_t initial_refcount, - bool delete_self, - napi_finalize finalize_callback, - void* finalize_data, - void* finalize_hint) - : Finalizer(env, finalize_callback, finalize_data, finalize_hint), - _persistent(env->isolate, value), - _refcount(initial_refcount), - _delete_self(delete_self) { - if (initial_refcount == 0) { - _persistent.SetWeak( - this, FinalizeCallback, v8::WeakCallbackType::kParameter); - _persistent.MarkIndependent(); - } - } - - ~Reference() { - // The V8 Persistent class currently does not reset in its destructor: - // see NonCopyablePersistentTraits::kResetInDestructor = false. - // (Comments there claim that might change in the future.) - // To avoid memory leaks, it is better to reset at this time, however - // care must be taken to avoid attempting this after the Isolate has - // shut down, for example via a static (atexit) destructor. - _persistent.Reset(); - } - - public: - static Reference* New(napi_env env, - v8::Local value, - uint32_t initial_refcount, - bool delete_self, - napi_finalize finalize_callback = nullptr, - void* finalize_data = nullptr, - void* finalize_hint = nullptr) { - return new Reference(env, - value, - initial_refcount, - delete_self, - finalize_callback, - finalize_data, - finalize_hint); - } - - static void Delete(Reference* reference) { - delete reference; - } - - uint32_t Ref() { - if (++_refcount == 1) { - _persistent.ClearWeak(); - } - - return _refcount; - } - - uint32_t Unref() { - if (_refcount == 0) { - return 0; - } - if (--_refcount == 0) { - _persistent.SetWeak( - this, FinalizeCallback, v8::WeakCallbackType::kParameter); - _persistent.MarkIndependent(); - } - - return _refcount; - } - - uint32_t RefCount() { - return _refcount; - } - - v8::Local Get() { - if (_persistent.IsEmpty()) { - return v8::Local(); - } else { - return v8::Local::New(_env->isolate, _persistent); - } - } - - private: - static void FinalizeCallback(const v8::WeakCallbackInfo& data) { - Reference* reference = data.GetParameter(); - reference->_persistent.Reset(); - - // Check before calling the finalize callback, because the callback might - // delete it. - bool delete_self = reference->_delete_self; - napi_env env = reference->_env; - - if (reference->_finalize_callback != nullptr) { - NAPI_CALL_INTO_MODULE_THROW(env, - reference->_finalize_callback( - reference->_env, - reference->_finalize_data, - reference->_finalize_hint)); - } - - if (delete_self) { - Delete(reference); - } - } - - v8::Persistent _persistent; - uint32_t _refcount; - bool _delete_self; -}; - -class TryCatch : public v8::TryCatch { - public: - explicit TryCatch(napi_env env) - : v8::TryCatch(env->isolate), _env(env) {} - - ~TryCatch() { - if (HasCaught()) { - _env->last_exception.Reset(_env->isolate, Exception()); - } - } - - private: - napi_env _env; -}; - -//=== Function napi_callback wrapper ================================= - -// Use this data structure to associate callback data with each N-API function -// exposed to JavaScript. The structure is stored in a v8::External which gets -// passed into our callback wrapper. This reduces the performance impact of -// calling through N-API. -// Ref: benchmark/misc/function_call -// Discussion (incl. perf. data): https://github.com/nodejs/node/pull/21072 -struct CallbackBundle { - // Bind the lifecycle of `this` C++ object to a JavaScript object. - // We never delete a CallbackBundle C++ object directly. - void BindLifecycleTo(v8::Isolate* isolate, v8::Local target) { - handle.Reset(isolate, target); - handle.SetWeak(this, WeakCallback, v8::WeakCallbackType::kParameter); - } - - napi_env env; // Necessary to invoke C++ NAPI callback - void* cb_data; // The user provided callback data - napi_callback function_or_getter; - napi_callback setter; - node::Persistent handle; // Die with this JavaScript object - - private: - static void WeakCallback(v8::WeakCallbackInfo const& info) { - // Use the "WeakCallback mechanism" to delete the C++ `bundle` object. - // This will be called when the v8::External containing `this` pointer - // is being GC-ed. - CallbackBundle* bundle = info.GetParameter(); - if (bundle != nullptr) { - delete bundle; - } - } -}; - -// Base class extended by classes that wrap V8 function and property callback -// info. -class CallbackWrapper { - public: - CallbackWrapper(napi_value this_arg, size_t args_length, void* data) - : _this(this_arg), _args_length(args_length), _data(data) {} - - virtual napi_value GetNewTarget() = 0; - virtual void Args(napi_value* buffer, size_t bufferlength) = 0; - virtual void SetReturnValue(napi_value value) = 0; - - napi_value This() { return _this; } - - size_t ArgsLength() { return _args_length; } - - void* Data() { return _data; } - - protected: - const napi_value _this; - const size_t _args_length; - void* _data; -}; - -template -class CallbackWrapperBase : public CallbackWrapper { - public: - CallbackWrapperBase(const Info& cbinfo, const size_t args_length) - : CallbackWrapper(JsValueFromV8LocalValue(cbinfo.This()), - args_length, - nullptr), - _cbinfo(cbinfo) { - _bundle = reinterpret_cast( - v8::Local::Cast(cbinfo.Data())->Value()); - _data = _bundle->cb_data; - } - - napi_value GetNewTarget() override { return nullptr; } - - protected: - void InvokeCallback() { - napi_callback_info cbinfo_wrapper = reinterpret_cast( - static_cast(this)); - - // All other pointers we need are stored in `_bundle` - napi_env env = _bundle->env; - napi_callback cb = _bundle->*FunctionField; - - napi_value result; - NAPI_CALL_INTO_MODULE_THROW(env, result = cb(env, cbinfo_wrapper)); - - if (result != nullptr) { - this->SetReturnValue(result); - } - } - - const Info& _cbinfo; - CallbackBundle* _bundle; -}; - -class FunctionCallbackWrapper - : public CallbackWrapperBase, - &CallbackBundle::function_or_getter> { - public: - static void Invoke(const v8::FunctionCallbackInfo& info) { - FunctionCallbackWrapper cbwrapper(info); - cbwrapper.InvokeCallback(); - } - - explicit FunctionCallbackWrapper( - const v8::FunctionCallbackInfo& cbinfo) - : CallbackWrapperBase(cbinfo, cbinfo.Length()) {} - - napi_value GetNewTarget() override { - if (_cbinfo.IsConstructCall()) { - return v8impl::JsValueFromV8LocalValue(_cbinfo.NewTarget()); - } else { - return nullptr; - } - } - - /*virtual*/ - void Args(napi_value* buffer, size_t buffer_length) override { - size_t i = 0; - size_t min = std::min(buffer_length, _args_length); - - for (; i < min; i += 1) { - buffer[i] = v8impl::JsValueFromV8LocalValue(_cbinfo[i]); - } - - if (i < buffer_length) { - napi_value undefined = - v8impl::JsValueFromV8LocalValue(v8::Undefined(_cbinfo.GetIsolate())); - for (; i < buffer_length; i += 1) { - buffer[i] = undefined; - } - } - } - - /*virtual*/ - void SetReturnValue(napi_value value) override { - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - _cbinfo.GetReturnValue().Set(val); - } -}; - -class GetterCallbackWrapper - : public CallbackWrapperBase, - &CallbackBundle::function_or_getter> { - public: - static void Invoke(v8::Local property, - const v8::PropertyCallbackInfo& info) { - GetterCallbackWrapper cbwrapper(info); - cbwrapper.InvokeCallback(); - } - - explicit GetterCallbackWrapper( - const v8::PropertyCallbackInfo& cbinfo) - : CallbackWrapperBase(cbinfo, 0) {} - - /*virtual*/ - void Args(napi_value* buffer, size_t buffer_length) override { - if (buffer_length > 0) { - napi_value undefined = - v8impl::JsValueFromV8LocalValue(v8::Undefined(_cbinfo.GetIsolate())); - for (size_t i = 0; i < buffer_length; i += 1) { - buffer[i] = undefined; - } - } - } - - /*virtual*/ - void SetReturnValue(napi_value value) override { - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - _cbinfo.GetReturnValue().Set(val); - } -}; - -class SetterCallbackWrapper - : public CallbackWrapperBase, - &CallbackBundle::setter> { - public: - static void Invoke(v8::Local property, - v8::Local value, - const v8::PropertyCallbackInfo& info) { - SetterCallbackWrapper cbwrapper(info, value); - cbwrapper.InvokeCallback(); - } - - SetterCallbackWrapper(const v8::PropertyCallbackInfo& cbinfo, - const v8::Local& value) - : CallbackWrapperBase(cbinfo, 1), _value(value) {} - - /*virtual*/ - void Args(napi_value* buffer, size_t buffer_length) override { - if (buffer_length > 0) { - buffer[0] = v8impl::JsValueFromV8LocalValue(_value); - - if (buffer_length > 1) { - napi_value undefined = v8impl::JsValueFromV8LocalValue( - v8::Undefined(_cbinfo.GetIsolate())); - for (size_t i = 1; i < buffer_length; i += 1) { - buffer[i] = undefined; - } - } - } - } - - /*virtual*/ - void SetReturnValue(napi_value value) override { - // Ignore any value returned from a setter callback. - } - - private: - const v8::Local& _value; -}; - -// Creates an object to be made available to the static function callback -// wrapper, used to retrieve the native callback function and data pointer. -static -v8::Local CreateFunctionCallbackData(napi_env env, - napi_callback cb, - void* data) { - CallbackBundle* bundle = new CallbackBundle(); - bundle->function_or_getter = cb; - bundle->cb_data = data; - bundle->env = env; - v8::Local cbdata = v8::External::New(env->isolate, bundle); - bundle->BindLifecycleTo(env->isolate, cbdata); - - return cbdata; -} - -// Creates an object to be made available to the static getter/setter -// callback wrapper, used to retrieve the native getter/setter callback -// function and data pointer. -static -v8::Local CreateAccessorCallbackData(napi_env env, - napi_callback getter, - napi_callback setter, - void* data) { - CallbackBundle* bundle = new CallbackBundle(); - bundle->function_or_getter = getter; - bundle->setter = setter; - bundle->cb_data = data; - bundle->env = env; - v8::Local cbdata = v8::External::New(env->isolate, bundle); - bundle->BindLifecycleTo(env->isolate, cbdata); - - return cbdata; -} - -int kWrapperFields = 3; - -// Pointer used to identify items wrapped by N-API. Used by FindWrapper and -// napi_wrap(). -const char napi_wrap_name[] = "N-API Wrapper"; - -// Search the object's prototype chain for the wrapper object. Usually the -// wrapper would be the first in the chain, but it is OK for other objects to -// be inserted in the prototype chain. -static -bool FindWrapper(v8::Local obj, - v8::Local* result = nullptr, - v8::Local* parent = nullptr) { - v8::Local wrapper = obj; - - do { - v8::Local proto = wrapper->GetPrototype(); - if (proto.IsEmpty() || !proto->IsObject()) { - return false; - } - if (parent != nullptr) { - *parent = wrapper; - } - wrapper = proto.As(); - if (wrapper->InternalFieldCount() == kWrapperFields) { - v8::Local external = wrapper->GetInternalField(1); - if (external->IsExternal() && - external.As()->Value() == v8impl::napi_wrap_name) { - break; - } - } - } while (true); - - if (result != nullptr) { - *result = wrapper; - } - return true; -} - -static void DeleteEnv(napi_env env, void* data, void* hint) { - delete env; -} - -static -napi_env GetEnv(v8::Local context) { - napi_env result; - - auto isolate = context->GetIsolate(); - auto global = context->Global(); - - // In the case of the string for which we grab the private and the value of - // the private on the global object we can call .ToLocalChecked() directly - // because we need to stop hard if either of them is empty. - // - // Re https://github.com/nodejs/node/pull/14217#discussion_r128775149 - auto key = v8::Private::ForApi(isolate, - v8::String::NewFromOneByte(isolate, - reinterpret_cast("N-API Environment"), - v8::NewStringType::kInternalized).ToLocalChecked()); - auto value = global->GetPrivate(context, key).ToLocalChecked(); - - if (value->IsExternal()) { - result = static_cast(value.As()->Value()); - } else { - result = new napi_env__(isolate); - auto external = v8::External::New(isolate, result); - - // We must also stop hard if the result of assigning the env to the global - // is either nothing or false. - CHECK(global->SetPrivate(context, key, external).FromJust()); - - // Create a self-destructing reference to external that will get rid of the - // napi_env when external goes out of scope. - Reference::New(result, external, 0, true, DeleteEnv, nullptr, nullptr); - } - - return result; -} - -static -napi_status Unwrap(napi_env env, - napi_value js_object, - void** result, - v8::Local* wrapper, - v8::Local* parent = nullptr) { - CHECK_ARG(env, js_object); - CHECK_ARG(env, result); - - v8::Local value = v8impl::V8LocalValueFromJsValue(js_object); - RETURN_STATUS_IF_FALSE(env, value->IsObject(), napi_invalid_arg); - v8::Local obj = value.As(); - - RETURN_STATUS_IF_FALSE( - env, v8impl::FindWrapper(obj, wrapper, parent), napi_invalid_arg); - - v8::Local unwrappedValue = (*wrapper)->GetInternalField(0); - RETURN_STATUS_IF_FALSE(env, unwrappedValue->IsExternal(), napi_invalid_arg); - - *result = unwrappedValue.As()->Value(); - - return napi_ok; -} - -static -napi_status ConcludeDeferred(napi_env env, - napi_deferred deferred, - napi_value result, - bool is_resolved) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Local context = env->isolate->GetCurrentContext(); - v8::Persistent* deferred_ref = - V8PersistentFromJsDeferred(deferred); - v8::Local v8_deferred = - v8::Local::New(env->isolate, *deferred_ref); - - auto v8_resolver = v8::Local::Cast(v8_deferred); - - v8::Maybe success = is_resolved ? - v8_resolver->Resolve(context, v8impl::V8LocalValueFromJsValue(result)) : - v8_resolver->Reject(context, v8impl::V8LocalValueFromJsValue(result)); - - deferred_ref->Reset(); - delete deferred_ref; - - RETURN_STATUS_IF_FALSE(env, success.FromMaybe(false), napi_generic_failure); - - return GET_RETURN_STATUS(env); -} - -} // end of namespace v8impl - -// Intercepts the Node-V8 module registration callback. Converts parameters -// to NAPI equivalents and then calls the registration callback specified -// by the NAPI module. -void napi_module_register_cb(v8::Local exports, - v8::Local module, - v8::Local context, - void* priv) { - napi_module* mod = static_cast(priv); - - // Create a new napi_env for this module or reference one if a pre-existing - // one is found. - napi_env env = v8impl::GetEnv(context); - - napi_value _exports; - NAPI_CALL_INTO_MODULE_THROW(env, - _exports = mod->nm_register_func(env, - v8impl::JsValueFromV8LocalValue(exports))); - - // If register function returned a non-null exports object different from - // the exports object we passed it, set that as the "exports" property of - // the module. - if (_exports != nullptr && - _exports != v8impl::JsValueFromV8LocalValue(exports)) { - napi_value _module = v8impl::JsValueFromV8LocalValue(module); - napi_set_named_property(env, _module, "exports", _exports); - } -} - -} // end of anonymous namespace - -// Registers a NAPI module. -void napi_module_register(napi_module* mod) { - node::node_module* nm = new node::node_module { - NODE_MODULE_VERSION, - mod->nm_flags, - nullptr, - mod->nm_filename, - nullptr, - napi_module_register_cb, - mod->nm_modname, - mod, // priv - nullptr, - }; - node::node_module_register(nm); -} - -// Warning: Keep in-sync with napi_status enum -static -const char* error_messages[] = {nullptr, - "Invalid argument", - "An object was expected", - "A string was expected", - "A string or symbol was expected", - "A function was expected", - "A number was expected", - "A boolean was expected", - "An array was expected", - "Unknown failure", - "An exception is pending", - "The async work item was cancelled", - "napi_escape_handle already called on scope"}; - -static inline napi_status napi_clear_last_error(napi_env env) { - env->last_error.error_code = napi_ok; - - // TODO(boingoing): Should this be a callback? - env->last_error.engine_error_code = 0; - env->last_error.engine_reserved = nullptr; - return napi_ok; -} - -static inline -napi_status napi_set_last_error(napi_env env, napi_status error_code, - uint32_t engine_error_code, - void* engine_reserved) { - env->last_error.error_code = error_code; - env->last_error.engine_error_code = engine_error_code; - env->last_error.engine_reserved = engine_reserved; - return error_code; -} - -napi_status napi_get_last_error_info(napi_env env, - const napi_extended_error_info** result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - // you must update this assert to reference the last message - // in the napi_status enum each time a new error message is added. - // We don't have a napi_status_last as this would result in an ABI - // change each time a message was added. - static_assert( - node::arraysize(error_messages) == napi_escape_called_twice + 1, - "Count of error messages must match count of error values"); - CHECK_LE(env->last_error.error_code, napi_escape_called_twice); - - // Wait until someone requests the last error information to fetch the error - // message string - env->last_error.error_message = - error_messages[env->last_error.error_code]; - - *result = &(env->last_error); - return napi_ok; -} - -napi_status napi_fatal_exception(napi_env env, napi_value err) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, err); - - v8::Local local_err = v8impl::V8LocalValueFromJsValue(err); - v8impl::trigger_fatal_exception(env, local_err); - - return napi_clear_last_error(env); -} - -NAPI_NO_RETURN void napi_fatal_error(const char* location, - size_t location_len, - const char* message, - size_t message_len) { - std::string location_string; - std::string message_string; - - if (location_len != NAPI_AUTO_LENGTH) { - location_string.assign( - const_cast(location), location_len); - } else { - location_string.assign( - const_cast(location), strlen(location)); - } - - if (message_len != NAPI_AUTO_LENGTH) { - message_string.assign( - const_cast(message), message_len); - } else { - message_string.assign( - const_cast(message), strlen(message)); - } - - node::FatalError(location_string.c_str(), message_string.c_str()); -} - -napi_status napi_create_function(napi_env env, - const char* utf8name, - size_t length, - napi_callback cb, - void* callback_data, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - CHECK_ARG(env, cb); - - v8::Isolate* isolate = env->isolate; - v8::Local return_value; - v8::EscapableHandleScope scope(isolate); - v8::Local cbdata = - v8impl::CreateFunctionCallbackData(env, cb, callback_data); - - RETURN_STATUS_IF_FALSE(env, !cbdata.IsEmpty(), napi_generic_failure); - - v8::Local context = isolate->GetCurrentContext(); - v8::MaybeLocal maybe_function = - v8::Function::New(context, - v8impl::FunctionCallbackWrapper::Invoke, - cbdata); - CHECK_MAYBE_EMPTY(env, maybe_function, napi_generic_failure); - - return_value = scope.Escape(maybe_function.ToLocalChecked()); - - if (utf8name != nullptr) { - v8::Local name_string; - CHECK_NEW_FROM_UTF8_LEN(env, name_string, utf8name, length); - return_value->SetName(name_string); - } - - *result = v8impl::JsValueFromV8LocalValue(return_value); - - return GET_RETURN_STATUS(env); -} - -napi_status napi_define_class(napi_env env, - const char* utf8name, - size_t length, - napi_callback constructor, - void* callback_data, - size_t property_count, - const napi_property_descriptor* properties, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - CHECK_ARG(env, constructor); - - v8::Isolate* isolate = env->isolate; - - v8::EscapableHandleScope scope(isolate); - v8::Local cbdata = - v8impl::CreateFunctionCallbackData(env, constructor, callback_data); - - RETURN_STATUS_IF_FALSE(env, !cbdata.IsEmpty(), napi_generic_failure); - - v8::Local tpl = v8::FunctionTemplate::New( - isolate, v8impl::FunctionCallbackWrapper::Invoke, cbdata); - - v8::Local name_string; - CHECK_NEW_FROM_UTF8_LEN(env, name_string, utf8name, length); - tpl->SetClassName(name_string); - - size_t static_property_count = 0; - for (size_t i = 0; i < property_count; i++) { - const napi_property_descriptor* p = properties + i; - - if ((p->attributes & napi_static) != 0) { - // Static properties are handled separately below. - static_property_count++; - continue; - } - - v8::Local property_name; - napi_status status = - v8impl::V8NameFromPropertyDescriptor(env, p, &property_name); - - if (status != napi_ok) { - return napi_set_last_error(env, status); - } - - v8::PropertyAttribute attributes = - v8impl::V8PropertyAttributesFromDescriptor(p); - - // This code is similar to that in napi_define_properties(); the - // difference is it applies to a template instead of an object. - if (p->getter != nullptr || p->setter != nullptr) { - v8::Local cbdata = v8impl::CreateAccessorCallbackData( - env, p->getter, p->setter, p->data); - - tpl->PrototypeTemplate()->SetAccessor( - property_name, - p->getter ? v8impl::GetterCallbackWrapper::Invoke : nullptr, - p->setter ? v8impl::SetterCallbackWrapper::Invoke : nullptr, - cbdata, - v8::AccessControl::DEFAULT, - attributes); - } else if (p->method != nullptr) { - v8::Local cbdata = - v8impl::CreateFunctionCallbackData(env, p->method, p->data); - - RETURN_STATUS_IF_FALSE(env, !cbdata.IsEmpty(), napi_generic_failure); - - v8::Local t = - v8::FunctionTemplate::New(isolate, - v8impl::FunctionCallbackWrapper::Invoke, - cbdata, - v8::Signature::New(isolate, tpl)); - - tpl->PrototypeTemplate()->Set(property_name, t, attributes); - } else { - v8::Local value = v8impl::V8LocalValueFromJsValue(p->value); - tpl->PrototypeTemplate()->Set(property_name, value, attributes); - } - } - - *result = v8impl::JsValueFromV8LocalValue(scope.Escape(tpl->GetFunction())); - - if (static_property_count > 0) { - std::vector static_descriptors; - static_descriptors.reserve(static_property_count); - - for (size_t i = 0; i < property_count; i++) { - const napi_property_descriptor* p = properties + i; - if ((p->attributes & napi_static) != 0) { - static_descriptors.push_back(*p); - } - } - - napi_status status = - napi_define_properties(env, - *result, - static_descriptors.size(), - static_descriptors.data()); - if (status != napi_ok) return status; - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_property_names(napi_env env, - napi_value object, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - CHECK_TO_OBJECT(env, context, obj, object); - - auto maybe_propertynames = obj->GetPropertyNames(context); - - CHECK_MAYBE_EMPTY(env, maybe_propertynames, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue( - maybe_propertynames.ToLocalChecked()); - return GET_RETURN_STATUS(env); -} - -napi_status napi_set_property(napi_env env, - napi_value object, - napi_value key, - napi_value value) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, key); - CHECK_ARG(env, value); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Local k = v8impl::V8LocalValueFromJsValue(key); - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - - v8::Maybe set_maybe = obj->Set(context, k, val); - - RETURN_STATUS_IF_FALSE(env, set_maybe.FromMaybe(false), napi_generic_failure); - return GET_RETURN_STATUS(env); -} - -napi_status napi_has_property(napi_env env, - napi_value object, - napi_value key, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - CHECK_ARG(env, key); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Local k = v8impl::V8LocalValueFromJsValue(key); - v8::Maybe has_maybe = obj->Has(context, k); - - CHECK_MAYBE_NOTHING(env, has_maybe, napi_generic_failure); - - *result = has_maybe.FromMaybe(false); - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_property(napi_env env, - napi_value object, - napi_value key, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, key); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local k = v8impl::V8LocalValueFromJsValue(key); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - auto get_maybe = obj->Get(context, k); - - CHECK_MAYBE_EMPTY(env, get_maybe, napi_generic_failure); - - v8::Local val = get_maybe.ToLocalChecked(); - *result = v8impl::JsValueFromV8LocalValue(val); - return GET_RETURN_STATUS(env); -} - -napi_status napi_delete_property(napi_env env, - napi_value object, - napi_value key, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, key); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local k = v8impl::V8LocalValueFromJsValue(key); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - v8::Maybe delete_maybe = obj->Delete(context, k); - CHECK_MAYBE_NOTHING(env, delete_maybe, napi_generic_failure); - - if (result != NULL) - *result = delete_maybe.FromMaybe(false); - - return GET_RETURN_STATUS(env); -} - -napi_status napi_has_own_property(napi_env env, - napi_value object, - napi_value key, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, key); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - v8::Local k = v8impl::V8LocalValueFromJsValue(key); - RETURN_STATUS_IF_FALSE(env, k->IsName(), napi_name_expected); - v8::Maybe has_maybe = obj->HasOwnProperty(context, k.As()); - CHECK_MAYBE_NOTHING(env, has_maybe, napi_generic_failure); - *result = has_maybe.FromMaybe(false); - - return GET_RETURN_STATUS(env); -} - -napi_status napi_set_named_property(napi_env env, - napi_value object, - const char* utf8name, - napi_value value) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Local key; - CHECK_NEW_FROM_UTF8(env, key, utf8name); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - - v8::Maybe set_maybe = obj->Set(context, key, val); - - RETURN_STATUS_IF_FALSE(env, set_maybe.FromMaybe(false), napi_generic_failure); - return GET_RETURN_STATUS(env); -} - -napi_status napi_has_named_property(napi_env env, - napi_value object, - const char* utf8name, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Local key; - CHECK_NEW_FROM_UTF8(env, key, utf8name); - - v8::Maybe has_maybe = obj->Has(context, key); - - CHECK_MAYBE_NOTHING(env, has_maybe, napi_generic_failure); - - *result = has_maybe.FromMaybe(false); - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_named_property(napi_env env, - napi_value object, - const char* utf8name, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local key; - CHECK_NEW_FROM_UTF8(env, key, utf8name); - - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - auto get_maybe = obj->Get(context, key); - - CHECK_MAYBE_EMPTY(env, get_maybe, napi_generic_failure); - - v8::Local val = get_maybe.ToLocalChecked(); - *result = v8impl::JsValueFromV8LocalValue(val); - return GET_RETURN_STATUS(env); -} - -napi_status napi_set_element(napi_env env, - napi_value object, - uint32_t index, - napi_value value) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - auto set_maybe = obj->Set(context, index, val); - - RETURN_STATUS_IF_FALSE(env, set_maybe.FromMaybe(false), napi_generic_failure); - - return GET_RETURN_STATUS(env); -} - -napi_status napi_has_element(napi_env env, - napi_value object, - uint32_t index, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Maybe has_maybe = obj->Has(context, index); - - CHECK_MAYBE_NOTHING(env, has_maybe, napi_generic_failure); - - *result = has_maybe.FromMaybe(false); - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_element(napi_env env, - napi_value object, - uint32_t index, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - - auto get_maybe = obj->Get(context, index); - - CHECK_MAYBE_EMPTY(env, get_maybe, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue(get_maybe.ToLocalChecked()); - return GET_RETURN_STATUS(env); -} - -napi_status napi_delete_element(napi_env env, - napi_value object, - uint32_t index, - bool* result) { - NAPI_PREAMBLE(env); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - - CHECK_TO_OBJECT(env, context, obj, object); - v8::Maybe delete_maybe = obj->Delete(context, index); - CHECK_MAYBE_NOTHING(env, delete_maybe, napi_generic_failure); - - if (result != NULL) - *result = delete_maybe.FromMaybe(false); - - return GET_RETURN_STATUS(env); -} - -napi_status napi_define_properties(napi_env env, - napi_value object, - size_t property_count, - const napi_property_descriptor* properties) { - NAPI_PREAMBLE(env); - if (property_count > 0) { - CHECK_ARG(env, properties); - } - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local obj; - CHECK_TO_OBJECT(env, context, obj, object); - - for (size_t i = 0; i < property_count; i++) { - const napi_property_descriptor* p = &properties[i]; - - v8::Local property_name; - napi_status status = - v8impl::V8NameFromPropertyDescriptor(env, p, &property_name); - - if (status != napi_ok) { - return napi_set_last_error(env, status); - } - - v8::PropertyAttribute attributes = - v8impl::V8PropertyAttributesFromDescriptor(p); - - if (p->getter != nullptr || p->setter != nullptr) { - v8::Local cbdata = v8impl::CreateAccessorCallbackData( - env, - p->getter, - p->setter, - p->data); - - auto set_maybe = obj->SetAccessor( - context, - property_name, - p->getter ? v8impl::GetterCallbackWrapper::Invoke : nullptr, - p->setter ? v8impl::SetterCallbackWrapper::Invoke : nullptr, - cbdata, - v8::AccessControl::DEFAULT, - attributes); - - if (!set_maybe.FromMaybe(false)) { - return napi_set_last_error(env, napi_invalid_arg); - } - } else if (p->method != nullptr) { - v8::Local cbdata = - v8impl::CreateFunctionCallbackData(env, p->method, p->data); - - CHECK_MAYBE_EMPTY(env, cbdata, napi_generic_failure); - - v8::MaybeLocal maybe_fn = - v8::Function::New(context, - v8impl::FunctionCallbackWrapper::Invoke, - cbdata); - - CHECK_MAYBE_EMPTY(env, maybe_fn, napi_generic_failure); - - auto define_maybe = obj->DefineOwnProperty( - context, property_name, maybe_fn.ToLocalChecked(), attributes); - - if (!define_maybe.FromMaybe(false)) { - return napi_set_last_error(env, napi_generic_failure); - } - } else { - v8::Local value = v8impl::V8LocalValueFromJsValue(p->value); - - auto define_maybe = - obj->DefineOwnProperty(context, property_name, value, attributes); - - if (!define_maybe.FromMaybe(false)) { - return napi_set_last_error(env, napi_invalid_arg); - } - } - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_is_array(napi_env env, napi_value value, bool* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - - *result = val->IsArray(); - return napi_clear_last_error(env); -} - -napi_status napi_get_array_length(napi_env env, - napi_value value, - uint32_t* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsArray(), napi_array_expected); - - v8::Local arr = val.As(); - *result = arr->Length(); - - return GET_RETURN_STATUS(env); -} - -napi_status napi_strict_equals(napi_env env, - napi_value lhs, - napi_value rhs, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, lhs); - CHECK_ARG(env, rhs); - CHECK_ARG(env, result); - - v8::Local a = v8impl::V8LocalValueFromJsValue(lhs); - v8::Local b = v8impl::V8LocalValueFromJsValue(rhs); - - *result = a->StrictEquals(b); - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_prototype(napi_env env, - napi_value object, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local obj; - CHECK_TO_OBJECT(env, context, obj, object); - - v8::Local val = obj->GetPrototype(); - *result = v8impl::JsValueFromV8LocalValue(val); - return GET_RETURN_STATUS(env); -} - -napi_status napi_create_object(napi_env env, napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Object::New(env->isolate)); - - return napi_clear_last_error(env); -} - -napi_status napi_create_array(napi_env env, napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Array::New(env->isolate)); - - return napi_clear_last_error(env); -} - -napi_status napi_create_array_with_length(napi_env env, - size_t length, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Array::New(env->isolate, length)); - - return napi_clear_last_error(env); -} - -napi_status napi_create_string_latin1(napi_env env, - const char* str, - size_t length, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - auto isolate = env->isolate; - auto str_maybe = - v8::String::NewFromOneByte(isolate, - reinterpret_cast(str), - v8::NewStringType::kInternalized, - length); - CHECK_MAYBE_EMPTY(env, str_maybe, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue(str_maybe.ToLocalChecked()); - return napi_clear_last_error(env); -} - -napi_status napi_create_string_utf8(napi_env env, - const char* str, - size_t length, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - v8::Local s; - CHECK_NEW_FROM_UTF8_LEN(env, s, str, length); - - *result = v8impl::JsValueFromV8LocalValue(s); - return napi_clear_last_error(env); -} - -napi_status napi_create_string_utf16(napi_env env, - const char16_t* str, - size_t length, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - auto isolate = env->isolate; - auto str_maybe = - v8::String::NewFromTwoByte(isolate, - reinterpret_cast(str), - v8::NewStringType::kInternalized, - length); - CHECK_MAYBE_EMPTY(env, str_maybe, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue(str_maybe.ToLocalChecked()); - return napi_clear_last_error(env); -} - -napi_status napi_create_double(napi_env env, - double value, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Number::New(env->isolate, value)); - - return napi_clear_last_error(env); -} - -napi_status napi_create_int32(napi_env env, - int32_t value, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Integer::New(env->isolate, value)); - - return napi_clear_last_error(env); -} - -napi_status napi_create_uint32(napi_env env, - uint32_t value, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Integer::NewFromUnsigned(env->isolate, value)); - - return napi_clear_last_error(env); -} - -napi_status napi_create_int64(napi_env env, - int64_t value, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Number::New(env->isolate, static_cast(value))); - - return napi_clear_last_error(env); -} - -napi_status napi_get_boolean(napi_env env, bool value, napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - - if (value) { - *result = v8impl::JsValueFromV8LocalValue(v8::True(isolate)); - } else { - *result = v8impl::JsValueFromV8LocalValue(v8::False(isolate)); - } - - return napi_clear_last_error(env); -} - -napi_status napi_create_symbol(napi_env env, - napi_value description, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - - if (description == nullptr) { - *result = v8impl::JsValueFromV8LocalValue(v8::Symbol::New(isolate)); - } else { - v8::Local desc = v8impl::V8LocalValueFromJsValue(description); - RETURN_STATUS_IF_FALSE(env, desc->IsString(), napi_string_expected); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Symbol::New(isolate, desc.As())); - } - - return napi_clear_last_error(env); -} - -static napi_status set_error_code(napi_env env, - v8::Local error, - napi_value code, - const char* code_cstring) { - if ((code != nullptr) || (code_cstring != nullptr)) { - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local err_object = error.As(); - - v8::Local code_value = v8impl::V8LocalValueFromJsValue(code); - if (code != nullptr) { - code_value = v8impl::V8LocalValueFromJsValue(code); - RETURN_STATUS_IF_FALSE(env, code_value->IsString(), napi_string_expected); - } else { - CHECK_NEW_FROM_UTF8(env, code_value, code_cstring); - } - - v8::Local code_key; - CHECK_NEW_FROM_UTF8(env, code_key, "code"); - - v8::Maybe set_maybe = err_object->Set(context, code_key, code_value); - RETURN_STATUS_IF_FALSE(env, - set_maybe.FromMaybe(false), - napi_generic_failure); - - // now update the name to be "name [code]" where name is the - // original name and code is the code associated with the Error - v8::Local name_string; - CHECK_NEW_FROM_UTF8(env, name_string, ""); - v8::Local name_key; - CHECK_NEW_FROM_UTF8(env, name_key, "name"); - - auto maybe_name = err_object->Get(context, name_key); - if (!maybe_name.IsEmpty()) { - v8::Local name = maybe_name.ToLocalChecked(); - if (name->IsString()) { - name_string = v8::String::Concat(name_string, name.As()); - } - } - name_string = v8::String::Concat(name_string, - FIXED_ONE_BYTE_STRING(isolate, " [")); - name_string = v8::String::Concat(name_string, code_value.As()); - name_string = v8::String::Concat(name_string, - FIXED_ONE_BYTE_STRING(isolate, "]")); - - set_maybe = err_object->Set(context, name_key, name_string); - RETURN_STATUS_IF_FALSE(env, - set_maybe.FromMaybe(false), - napi_generic_failure); - } - return napi_ok; -} - -napi_status napi_create_error(napi_env env, - napi_value code, - napi_value msg, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, msg); - CHECK_ARG(env, result); - - v8::Local message_value = v8impl::V8LocalValueFromJsValue(msg); - RETURN_STATUS_IF_FALSE(env, message_value->IsString(), napi_string_expected); - - v8::Local error_obj = - v8::Exception::Error(message_value.As()); - napi_status status = set_error_code(env, error_obj, code, nullptr); - if (status != napi_ok) return status; - - *result = v8impl::JsValueFromV8LocalValue(error_obj); - - return napi_clear_last_error(env); -} - -napi_status napi_create_type_error(napi_env env, - napi_value code, - napi_value msg, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, msg); - CHECK_ARG(env, result); - - v8::Local message_value = v8impl::V8LocalValueFromJsValue(msg); - RETURN_STATUS_IF_FALSE(env, message_value->IsString(), napi_string_expected); - - v8::Local error_obj = - v8::Exception::TypeError(message_value.As()); - napi_status status = set_error_code(env, error_obj, code, nullptr); - if (status != napi_ok) return status; - - *result = v8impl::JsValueFromV8LocalValue(error_obj); - - return napi_clear_last_error(env); -} - -napi_status napi_create_range_error(napi_env env, - napi_value code, - napi_value msg, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, msg); - CHECK_ARG(env, result); - - v8::Local message_value = v8impl::V8LocalValueFromJsValue(msg); - RETURN_STATUS_IF_FALSE(env, message_value->IsString(), napi_string_expected); - - v8::Local error_obj = - v8::Exception::RangeError(message_value.As()); - napi_status status = set_error_code(env, error_obj, code, nullptr); - if (status != napi_ok) return status; - - *result = v8impl::JsValueFromV8LocalValue(error_obj); - - return napi_clear_last_error(env); -} - -napi_status napi_typeof(napi_env env, - napi_value value, - napi_valuetype* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local v = v8impl::V8LocalValueFromJsValue(value); - - if (v->IsNumber()) { - *result = napi_number; - } else if (v->IsString()) { - *result = napi_string; - } else if (v->IsFunction()) { - // This test has to come before IsObject because IsFunction - // implies IsObject - *result = napi_function; - } else if (v->IsExternal()) { - // This test has to come before IsObject because IsExternal - // implies IsObject - *result = napi_external; - } else if (v->IsObject()) { - *result = napi_object; - } else if (v->IsBoolean()) { - *result = napi_boolean; - } else if (v->IsUndefined()) { - *result = napi_undefined; - } else if (v->IsSymbol()) { - *result = napi_symbol; - } else if (v->IsNull()) { - *result = napi_null; - } else { - // Should not get here unless V8 has added some new kind of value. - return napi_set_last_error(env, napi_invalid_arg); - } - - return napi_clear_last_error(env); -} - -napi_status napi_get_undefined(napi_env env, napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Undefined(env->isolate)); - - return napi_clear_last_error(env); -} - -napi_status napi_get_null(napi_env env, napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsValueFromV8LocalValue( - v8::Null(env->isolate)); - - return napi_clear_last_error(env); -} - -// Gets all callback info in a single call. (Ugly, but faster.) -napi_status napi_get_cb_info( - napi_env env, // [in] NAPI environment handle - napi_callback_info cbinfo, // [in] Opaque callback-info handle - size_t* argc, // [in-out] Specifies the size of the provided argv array - // and receives the actual count of args. - napi_value* argv, // [out] Array of values - napi_value* this_arg, // [out] Receives the JS 'this' arg for the call - void** data) { // [out] Receives the data pointer for the callback. - CHECK_ENV(env); - CHECK_ARG(env, cbinfo); - - v8impl::CallbackWrapper* info = - reinterpret_cast(cbinfo); - - if (argv != nullptr) { - CHECK_ARG(env, argc); - info->Args(argv, *argc); - } - if (argc != nullptr) { - *argc = info->ArgsLength(); - } - if (this_arg != nullptr) { - *this_arg = info->This(); - } - if (data != nullptr) { - *data = info->Data(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_get_new_target(napi_env env, - napi_callback_info cbinfo, - napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, cbinfo); - CHECK_ARG(env, result); - - v8impl::CallbackWrapper* info = - reinterpret_cast(cbinfo); - - *result = info->GetNewTarget(); - return napi_clear_last_error(env); -} - -napi_status napi_call_function(napi_env env, - napi_value recv, - napi_value func, - size_t argc, - const napi_value* argv, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, recv); - if (argc > 0) { - CHECK_ARG(env, argv); - } - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local v8recv = v8impl::V8LocalValueFromJsValue(recv); - - v8::Local v8func; - CHECK_TO_FUNCTION(env, v8func, func); - - auto maybe = v8func->Call(context, v8recv, argc, - reinterpret_cast*>(const_cast(argv))); - - if (try_catch.HasCaught()) { - return napi_set_last_error(env, napi_pending_exception); - } else { - if (result != nullptr) { - CHECK_MAYBE_EMPTY(env, maybe, napi_generic_failure); - *result = v8impl::JsValueFromV8LocalValue(maybe.ToLocalChecked()); - } - return napi_clear_last_error(env); - } -} - -napi_status napi_get_global(napi_env env, napi_value* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - // TODO(ianhall): what if we need the global object from a different - // context in the same isolate? - // Should napi_env be the current context rather than the current isolate? - v8::Local context = isolate->GetCurrentContext(); - *result = v8impl::JsValueFromV8LocalValue(context->Global()); - - return napi_clear_last_error(env); -} - -napi_status napi_throw(napi_env env, napi_value error) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, error); - - v8::Isolate* isolate = env->isolate; - - isolate->ThrowException(v8impl::V8LocalValueFromJsValue(error)); - // any VM calls after this point and before returning - // to the javascript invoker will fail - return napi_clear_last_error(env); -} - -napi_status napi_throw_error(napi_env env, - const char* code, - const char* msg) { - NAPI_PREAMBLE(env); - - v8::Isolate* isolate = env->isolate; - v8::Local str; - CHECK_NEW_FROM_UTF8(env, str, msg); - - v8::Local error_obj = v8::Exception::Error(str); - napi_status status = set_error_code(env, error_obj, nullptr, code); - if (status != napi_ok) return status; - - isolate->ThrowException(error_obj); - // any VM calls after this point and before returning - // to the javascript invoker will fail - return napi_clear_last_error(env); -} - -napi_status napi_throw_type_error(napi_env env, - const char* code, - const char* msg) { - NAPI_PREAMBLE(env); - - v8::Isolate* isolate = env->isolate; - v8::Local str; - CHECK_NEW_FROM_UTF8(env, str, msg); - - v8::Local error_obj = v8::Exception::TypeError(str); - napi_status status = set_error_code(env, error_obj, nullptr, code); - if (status != napi_ok) return status; - - isolate->ThrowException(error_obj); - // any VM calls after this point and before returning - // to the javascript invoker will fail - return napi_clear_last_error(env); -} - -napi_status napi_throw_range_error(napi_env env, - const char* code, - const char* msg) { - NAPI_PREAMBLE(env); - - v8::Isolate* isolate = env->isolate; - v8::Local str; - CHECK_NEW_FROM_UTF8(env, str, msg); - - v8::Local error_obj = v8::Exception::RangeError(str); - napi_status status = set_error_code(env, error_obj, nullptr, code); - if (status != napi_ok) return status; - - isolate->ThrowException(error_obj); - // any VM calls after this point and before returning - // to the javascript invoker will fail - return napi_clear_last_error(env); -} - -napi_status napi_is_error(napi_env env, napi_value value, bool* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot - // throw JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - *result = val->IsNativeError(); - - return napi_clear_last_error(env); -} - -napi_status napi_get_value_double(napi_env env, - napi_value value, - double* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsNumber(), napi_number_expected); - - *result = val.As()->Value(); - - return napi_clear_last_error(env); -} - -napi_status napi_get_value_int32(napi_env env, - napi_value value, - int32_t* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - - if (val->IsInt32()) { - *result = val.As()->Value(); - } else { - RETURN_STATUS_IF_FALSE(env, val->IsNumber(), napi_number_expected); - - // Empty context: https://github.com/nodejs/node/issues/14379 - v8::Local context; - *result = val->Int32Value(context).FromJust(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_get_value_uint32(napi_env env, - napi_value value, - uint32_t* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - - if (val->IsUint32()) { - *result = val.As()->Value(); - } else { - RETURN_STATUS_IF_FALSE(env, val->IsNumber(), napi_number_expected); - - // Empty context: https://github.com/nodejs/node/issues/14379 - v8::Local context; - *result = val->Uint32Value(context).FromJust(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_get_value_int64(napi_env env, - napi_value value, - int64_t* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - - // This is still a fast path very likely to be taken. - if (val->IsInt32()) { - *result = val.As()->Value(); - return napi_clear_last_error(env); - } - - RETURN_STATUS_IF_FALSE(env, val->IsNumber(), napi_number_expected); - - // v8::Value::IntegerValue() converts NaN to INT64_MIN, inconsistent with - // v8::Value::Int32Value() that converts NaN to 0. So special-case NaN here. - double doubleValue = val.As()->Value(); - if (std::isnan(doubleValue)) { - *result = 0; - } else { - // Empty context: https://github.com/nodejs/node/issues/14379 - v8::Local context; - *result = val->IntegerValue(context).FromJust(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_get_value_bool(napi_env env, napi_value value, bool* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsBoolean(), napi_boolean_expected); - - *result = val.As()->Value(); - - return napi_clear_last_error(env); -} - -// Copies a JavaScript string into a LATIN-1 string buffer. The result is the -// number of bytes (excluding the null terminator) copied into buf. -// A sufficient buffer size should be greater than the length of string, -// reserving space for null terminator. -// If bufsize is insufficient, the string will be truncated and null terminated. -// If buf is NULL, this method returns the length of the string (in bytes) -// via the result parameter. -// The result argument is optional unless buf is NULL. -napi_status napi_get_value_string_latin1(napi_env env, - napi_value value, - char* buf, - size_t bufsize, - size_t* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsString(), napi_string_expected); - - if (!buf) { - CHECK_ARG(env, result); - *result = val.As()->Length(); - } else { - int copied = val.As()->WriteOneByte( - reinterpret_cast(buf), 0, bufsize - 1, - v8::String::NO_NULL_TERMINATION); - - buf[copied] = '\0'; - if (result != nullptr) { - *result = copied; - } - } - - return napi_clear_last_error(env); -} - -// Copies a JavaScript string into a UTF-8 string buffer. The result is the -// number of bytes (excluding the null terminator) copied into buf. -// A sufficient buffer size should be greater than the length of string, -// reserving space for null terminator. -// If bufsize is insufficient, the string will be truncated and null terminated. -// If buf is NULL, this method returns the length of the string (in bytes) -// via the result parameter. -// The result argument is optional unless buf is NULL. -napi_status napi_get_value_string_utf8(napi_env env, - napi_value value, - char* buf, - size_t bufsize, - size_t* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsString(), napi_string_expected); - - if (!buf) { - CHECK_ARG(env, result); - *result = val.As()->Utf8Length(); - } else { - int copied = val.As()->WriteUtf8( - buf, bufsize - 1, nullptr, v8::String::REPLACE_INVALID_UTF8 | - v8::String::NO_NULL_TERMINATION); - - buf[copied] = '\0'; - if (result != nullptr) { - *result = copied; - } - } - - return napi_clear_last_error(env); -} - -// Copies a JavaScript string into a UTF-16 string buffer. The result is the -// number of 2-byte code units (excluding the null terminator) copied into buf. -// A sufficient buffer size should be greater than the length of string, -// reserving space for null terminator. -// If bufsize is insufficient, the string will be truncated and null terminated. -// If buf is NULL, this method returns the length of the string (in 2-byte -// code units) via the result parameter. -// The result argument is optional unless buf is NULL. -napi_status napi_get_value_string_utf16(napi_env env, - napi_value value, - char16_t* buf, - size_t bufsize, - size_t* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsString(), napi_string_expected); - - if (!buf) { - CHECK_ARG(env, result); - // V8 assumes UTF-16 length is the same as the number of characters. - *result = val.As()->Length(); - } else { - int copied = val.As()->Write( - reinterpret_cast(buf), 0, bufsize - 1, - v8::String::NO_NULL_TERMINATION); - - buf[copied] = '\0'; - if (result != nullptr) { - *result = copied; - } - } - - return napi_clear_last_error(env); -} - -napi_status napi_coerce_to_object(napi_env env, - napi_value value, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local obj; - CHECK_TO_OBJECT(env, context, obj, value); - - *result = v8impl::JsValueFromV8LocalValue(obj); - return GET_RETURN_STATUS(env); -} - -napi_status napi_coerce_to_bool(napi_env env, - napi_value value, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local b; - - CHECK_TO_BOOL(env, context, b, value); - - *result = v8impl::JsValueFromV8LocalValue(b); - return GET_RETURN_STATUS(env); -} - -napi_status napi_coerce_to_number(napi_env env, - napi_value value, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local num; - - CHECK_TO_NUMBER(env, context, num, value); - - *result = v8impl::JsValueFromV8LocalValue(num); - return GET_RETURN_STATUS(env); -} - -napi_status napi_coerce_to_string(napi_env env, - napi_value value, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - v8::Local str; - - CHECK_TO_STRING(env, context, str, value); - - *result = v8impl::JsValueFromV8LocalValue(str); - return GET_RETURN_STATUS(env); -} - -napi_status napi_wrap(napi_env env, - napi_value js_object, - void* native_object, - napi_finalize finalize_cb, - void* finalize_hint, - napi_ref* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, js_object); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local value = v8impl::V8LocalValueFromJsValue(js_object); - RETURN_STATUS_IF_FALSE(env, value->IsObject(), napi_invalid_arg); - v8::Local obj = value.As(); - - // If we've already wrapped this object, we error out. - RETURN_STATUS_IF_FALSE(env, !v8impl::FindWrapper(obj), napi_invalid_arg); - - // Create a wrapper object with an internal field to hold the wrapped pointer - // and a second internal field to identify the owner as N-API. - v8::Local wrapper_template; - ENV_OBJECT_TEMPLATE(env, wrap, wrapper_template, v8impl::kWrapperFields); - - auto maybe_object = wrapper_template->NewInstance(context); - CHECK_MAYBE_EMPTY(env, maybe_object, napi_generic_failure); - v8::Local wrapper = maybe_object.ToLocalChecked(); - - // Store the pointer as an external in the wrapper. - wrapper->SetInternalField(0, v8::External::New(isolate, native_object)); - wrapper->SetInternalField(1, v8::External::New(isolate, - reinterpret_cast(const_cast(v8impl::napi_wrap_name)))); - - // Insert the wrapper into the object's prototype chain. - v8::Local proto = obj->GetPrototype(); - CHECK(wrapper->SetPrototype(context, proto).FromJust()); - CHECK(obj->SetPrototype(context, wrapper).FromJust()); - - v8impl::Reference* reference = nullptr; - if (result != nullptr) { - // The returned reference should be deleted via napi_delete_reference() - // ONLY in response to the finalize callback invocation. (If it is deleted - // before then, then the finalize callback will never be invoked.) - // Therefore a finalize callback is required when returning a reference. - CHECK_ARG(env, finalize_cb); - reference = v8impl::Reference::New( - env, obj, 0, false, finalize_cb, native_object, finalize_hint); - *result = reinterpret_cast(reference); - } else if (finalize_cb != nullptr) { - // Create a self-deleting reference just for the finalize callback. - reference = v8impl::Reference::New( - env, obj, 0, true, finalize_cb, native_object, finalize_hint); - } - - if (reference != nullptr) { - wrapper->SetInternalField(2, v8::External::New(isolate, reference)); - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_unwrap(napi_env env, napi_value obj, void** result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - v8::Local wrapper; - return napi_set_last_error(env, v8impl::Unwrap(env, obj, result, &wrapper)); -} - -napi_status napi_remove_wrap(napi_env env, napi_value obj, void** result) { - NAPI_PREAMBLE(env); - v8::Local wrapper; - v8::Local parent; - napi_status status = v8impl::Unwrap(env, obj, result, &wrapper, &parent); - if (status != napi_ok) { - return napi_set_last_error(env, status); - } - - v8::Local external = wrapper->GetInternalField(2); - if (external->IsExternal()) { - v8impl::Reference::Delete( - static_cast(external.As()->Value())); - } - - if (!parent.IsEmpty()) { - v8::Maybe maybe = parent->SetPrototype( - env->isolate->GetCurrentContext(), wrapper->GetPrototype()); - CHECK_MAYBE_NOTHING(env, maybe, napi_generic_failure); - if (!maybe.FromMaybe(false)) { - return napi_set_last_error(env, napi_generic_failure); - } - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_create_external(napi_env env, - void* data, - napi_finalize finalize_cb, - void* finalize_hint, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - - v8::Local external_value = v8::External::New(isolate, data); - - // The Reference object will delete itself after invoking the finalizer - // callback. - v8impl::Reference::New(env, - external_value, - 0, - true, - finalize_cb, - data, - finalize_hint); - - *result = v8impl::JsValueFromV8LocalValue(external_value); - - return napi_clear_last_error(env); -} - -napi_status napi_get_value_external(napi_env env, - napi_value value, - void** result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - RETURN_STATUS_IF_FALSE(env, val->IsExternal(), napi_invalid_arg); - - v8::Local external_value = val.As(); - *result = external_value->Value(); - - return napi_clear_last_error(env); -} - -// Set initial_refcount to 0 for a weak reference, >0 for a strong reference. -napi_status napi_create_reference(napi_env env, - napi_value value, - uint32_t initial_refcount, - napi_ref* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local v8_value = v8impl::V8LocalValueFromJsValue(value); - - if (!(v8_value->IsObject() || v8_value->IsFunction())) { - return napi_set_last_error(env, napi_object_expected); - } - - v8impl::Reference* reference = - v8impl::Reference::New(env, v8_value, initial_refcount, false); - - *result = reinterpret_cast(reference); - return napi_clear_last_error(env); -} - -// Deletes a reference. The referenced value is released, and may be GC'd unless -// there are other references to it. -napi_status napi_delete_reference(napi_env env, napi_ref ref) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, ref); - - v8impl::Reference::Delete(reinterpret_cast(ref)); - - return napi_clear_last_error(env); -} - -// Increments the reference count, optionally returning the resulting count. -// After this call the reference will be a strong reference because its -// refcount is >0, and the referenced object is effectively "pinned". -// Calling this when the refcount is 0 and the object is unavailable -// results in an error. -napi_status napi_reference_ref(napi_env env, napi_ref ref, uint32_t* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, ref); - - v8impl::Reference* reference = reinterpret_cast(ref); - uint32_t count = reference->Ref(); - - if (result != nullptr) { - *result = count; - } - - return napi_clear_last_error(env); -} - -// Decrements the reference count, optionally returning the resulting count. If -// the result is 0 the reference is now weak and the object may be GC'd at any -// time if there are no other references. Calling this when the refcount is -// already 0 results in an error. -napi_status napi_reference_unref(napi_env env, napi_ref ref, uint32_t* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, ref); - - v8impl::Reference* reference = reinterpret_cast(ref); - - if (reference->RefCount() == 0) { - return napi_set_last_error(env, napi_generic_failure); - } - - uint32_t count = reference->Unref(); - - if (result != nullptr) { - *result = count; - } - - return napi_clear_last_error(env); -} - -// Attempts to get a referenced value. If the reference is weak, the value might -// no longer be available, in that case the call is still successful but the -// result is NULL. -napi_status napi_get_reference_value(napi_env env, - napi_ref ref, - napi_value* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, ref); - CHECK_ARG(env, result); - - v8impl::Reference* reference = reinterpret_cast(ref); - *result = v8impl::JsValueFromV8LocalValue(reference->Get()); - - return napi_clear_last_error(env); -} - -napi_status napi_open_handle_scope(napi_env env, napi_handle_scope* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsHandleScopeFromV8HandleScope( - new v8impl::HandleScopeWrapper(env->isolate)); - env->open_handle_scopes++; - return napi_clear_last_error(env); -} - -napi_status napi_close_handle_scope(napi_env env, napi_handle_scope scope) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, scope); - if (env->open_handle_scopes == 0) { - return napi_handle_scope_mismatch; - } - - env->open_handle_scopes--; - delete v8impl::V8HandleScopeFromJsHandleScope(scope); - return napi_clear_last_error(env); -} - -napi_status napi_open_escapable_handle_scope( - napi_env env, - napi_escapable_handle_scope* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = v8impl::JsEscapableHandleScopeFromV8EscapableHandleScope( - new v8impl::EscapableHandleScopeWrapper(env->isolate)); - env->open_handle_scopes++; - return napi_clear_last_error(env); -} - -napi_status napi_close_escapable_handle_scope( - napi_env env, - napi_escapable_handle_scope scope) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, scope); - if (env->open_handle_scopes == 0) { - return napi_handle_scope_mismatch; - } - - delete v8impl::V8EscapableHandleScopeFromJsEscapableHandleScope(scope); - env->open_handle_scopes--; - return napi_clear_last_error(env); -} - -napi_status napi_escape_handle(napi_env env, - napi_escapable_handle_scope scope, - napi_value escapee, - napi_value* result) { - // Omit NAPI_PREAMBLE and GET_RETURN_STATUS because V8 calls here cannot throw - // JS exceptions. - CHECK_ENV(env); - CHECK_ARG(env, scope); - CHECK_ARG(env, escapee); - CHECK_ARG(env, result); - - v8impl::EscapableHandleScopeWrapper* s = - v8impl::V8EscapableHandleScopeFromJsEscapableHandleScope(scope); - if (!s->escape_called()) { - *result = v8impl::JsValueFromV8LocalValue( - s->Escape(v8impl::V8LocalValueFromJsValue(escapee))); - return napi_clear_last_error(env); - } - return napi_set_last_error(env, napi_escape_called_twice); -} - -napi_status napi_new_instance(napi_env env, - napi_value constructor, - size_t argc, - const napi_value* argv, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, constructor); - if (argc > 0) { - CHECK_ARG(env, argv); - } - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local ctor; - CHECK_TO_FUNCTION(env, ctor, constructor); - - auto maybe = ctor->NewInstance(context, argc, - reinterpret_cast*>(const_cast(argv))); - - CHECK_MAYBE_EMPTY(env, maybe, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue(maybe.ToLocalChecked()); - return GET_RETURN_STATUS(env); -} - -napi_status napi_instanceof(napi_env env, - napi_value object, - napi_value constructor, - bool* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, object); - CHECK_ARG(env, result); - - *result = false; - - v8::Local ctor; - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - CHECK_TO_OBJECT(env, context, ctor, constructor); - - if (!ctor->IsFunction()) { - napi_throw_type_error(env, - "ERR_NAPI_CONS_FUNCTION", - "Constructor must be a function"); - - return napi_set_last_error(env, napi_function_expected); - } - - if (env->has_instance_available) { - napi_value value, js_result = nullptr, has_instance = nullptr; - napi_status status = napi_generic_failure; - napi_valuetype value_type; - - // Get "Symbol" from the global object - if (env->has_instance.IsEmpty()) { - status = napi_get_global(env, &value); - if (status != napi_ok) return status; - status = napi_get_named_property(env, value, "Symbol", &value); - if (status != napi_ok) return status; - status = napi_typeof(env, value, &value_type); - if (status != napi_ok) return status; - - // Get "hasInstance" from Symbol - if (value_type == napi_function) { - status = napi_get_named_property(env, value, "hasInstance", &value); - if (status != napi_ok) return status; - status = napi_typeof(env, value, &value_type); - if (status != napi_ok) return status; - - // Store Symbol.hasInstance in a global persistent reference - if (value_type == napi_symbol) { - env->has_instance.Reset(env->isolate, - v8impl::V8LocalValueFromJsValue(value)); - has_instance = value; - } - } - } else { - has_instance = v8impl::JsValueFromV8LocalValue( - v8::Local::New(env->isolate, env->has_instance)); - } - - if (has_instance) { - status = napi_get_property(env, constructor, has_instance, &value); - if (status != napi_ok) return status; - status = napi_typeof(env, value, &value_type); - if (status != napi_ok) return status; - - // Call the function to determine whether the object is an instance of the - // constructor - if (value_type == napi_function) { - status = napi_call_function(env, constructor, value, 1, &object, - &js_result); - if (status != napi_ok) return status; - return napi_get_value_bool(env, js_result, result); - } - } - - env->has_instance_available = false; - } - - // If running constructor[Symbol.hasInstance](object) did not work, we perform - // a traditional instanceof (early Node.js 6.x). - - v8::Local prototype_string; - CHECK_NEW_FROM_UTF8(env, prototype_string, "prototype"); - - auto maybe_prototype = ctor->Get(context, prototype_string); - CHECK_MAYBE_EMPTY(env, maybe_prototype, napi_generic_failure); - - v8::Local prototype_property = maybe_prototype.ToLocalChecked(); - if (!prototype_property->IsObject()) { - napi_throw_type_error( - env, - "ERR_NAPI_CONS_PROTOTYPE_OBJECT", - "Constructor.prototype must be an object"); - - return napi_set_last_error(env, napi_object_expected); - } - - auto maybe_ctor = prototype_property->ToObject(context); - CHECK_MAYBE_EMPTY(env, maybe_ctor, napi_generic_failure); - ctor = maybe_ctor.ToLocalChecked(); - - v8::Local current_obj = v8impl::V8LocalValueFromJsValue(object); - if (!current_obj->StrictEquals(ctor)) { - for (v8::Local original_obj = current_obj; - !(current_obj->IsNull() || current_obj->IsUndefined());) { - if (current_obj->StrictEquals(ctor)) { - *result = !(original_obj->IsNumber() || - original_obj->IsBoolean() || - original_obj->IsString()); - break; - } - v8::Local obj; - CHECK_TO_OBJECT(env, context, obj, v8impl::JsValueFromV8LocalValue( - current_obj)); - current_obj = obj->GetPrototype(); - } - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_async_init(napi_env env, - napi_value async_resource, - napi_value async_resource_name, - napi_async_context* result) { - CHECK_ENV(env); - CHECK_ARG(env, async_resource_name); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local v8_resource; - if (async_resource != nullptr) { - CHECK_TO_OBJECT(env, context, v8_resource, async_resource); - } else { - v8_resource = v8::Object::New(isolate); - } - - v8::Local v8_resource_name; - CHECK_TO_STRING(env, context, v8_resource_name, async_resource_name); - - // TODO(jasongin): Consider avoiding allocation here by using - // a tagged pointer with 2×31 bit fields instead. - node::async_context* async_context = new node::async_context(); - - *async_context = node::EmitAsyncInit(isolate, v8_resource, v8_resource_name); - *result = reinterpret_cast(async_context); - - return napi_clear_last_error(env); -} - -napi_status napi_async_destroy(napi_env env, - napi_async_context async_context) { - CHECK_ENV(env); - CHECK_ARG(env, async_context); - - v8::Isolate* isolate = env->isolate; - node::async_context* node_async_context = - reinterpret_cast(async_context); - node::EmitAsyncDestroy(isolate, *node_async_context); - - delete node_async_context; - - return napi_clear_last_error(env); -} - -napi_status napi_make_callback(napi_env env, - napi_async_context async_context, - napi_value recv, - napi_value func, - size_t argc, - const napi_value* argv, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, recv); - if (argc > 0) { - CHECK_ARG(env, argv); - } - - v8::Isolate* isolate = env->isolate; - v8::Local context = isolate->GetCurrentContext(); - - v8::Local v8recv; - CHECK_TO_OBJECT(env, context, v8recv, recv); - - v8::Local v8func; - CHECK_TO_FUNCTION(env, v8func, func); - - node::async_context* node_async_context = - reinterpret_cast(async_context); - if (node_async_context == nullptr) { - static node::async_context empty_context = { 0, 0 }; - node_async_context = &empty_context; - } - - v8::MaybeLocal callback_result = node::MakeCallback( - isolate, v8recv, v8func, argc, - reinterpret_cast*>(const_cast(argv)), - *node_async_context); - CHECK_MAYBE_EMPTY(env, callback_result, napi_generic_failure); - - if (result != nullptr) { - *result = v8impl::JsValueFromV8LocalValue( - callback_result.ToLocalChecked()); - } - - return GET_RETURN_STATUS(env); -} - -// Methods to support catching exceptions -napi_status napi_is_exception_pending(napi_env env, bool* result) { - // NAPI_PREAMBLE is not used here: this function must execute when there is a - // pending exception. - CHECK_ENV(env); - CHECK_ARG(env, result); - - *result = !env->last_exception.IsEmpty(); - return napi_clear_last_error(env); -} - -napi_status napi_get_and_clear_last_exception(napi_env env, - napi_value* result) { - // NAPI_PREAMBLE is not used here: this function must execute when there is a - // pending exception. - CHECK_ENV(env); - CHECK_ARG(env, result); - - if (env->last_exception.IsEmpty()) { - return napi_get_undefined(env, result); - } else { - *result = v8impl::JsValueFromV8LocalValue( - v8::Local::New(env->isolate, env->last_exception)); - env->last_exception.Reset(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_create_buffer(napi_env env, - size_t length, - void** data, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - auto maybe = node::Buffer::New(env->isolate, length); - - CHECK_MAYBE_EMPTY(env, maybe, napi_generic_failure); - - v8::Local buffer = maybe.ToLocalChecked(); - - *result = v8impl::JsValueFromV8LocalValue(buffer); - - if (data != nullptr) { - *data = node::Buffer::Data(buffer); - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_create_external_buffer(napi_env env, - size_t length, - void* data, - napi_finalize finalize_cb, - void* finalize_hint, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - - // The finalizer object will delete itself after invoking the callback. - v8impl::Finalizer* finalizer = v8impl::Finalizer::New( - env, finalize_cb, nullptr, finalize_hint); - - auto maybe = node::Buffer::New(isolate, - static_cast(data), - length, - v8impl::Finalizer::FinalizeBufferCallback, - finalizer); - - CHECK_MAYBE_EMPTY(env, maybe, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue(maybe.ToLocalChecked()); - return GET_RETURN_STATUS(env); - // Tell coverity that 'finalizer' should not be freed when we return - // as it will be deleted when the buffer to which it is associated - // is finalized. - // coverity[leaked_storage] -} - -napi_status napi_create_buffer_copy(napi_env env, - size_t length, - const void* data, - void** result_data, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - auto maybe = node::Buffer::Copy(env->isolate, - static_cast(data), length); - - CHECK_MAYBE_EMPTY(env, maybe, napi_generic_failure); - - v8::Local buffer = maybe.ToLocalChecked(); - *result = v8impl::JsValueFromV8LocalValue(buffer); - - if (result_data != nullptr) { - *result_data = node::Buffer::Data(buffer); - } - - return GET_RETURN_STATUS(env); -} - -napi_status napi_is_buffer(napi_env env, napi_value value, bool* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - *result = node::Buffer::HasInstance(v8impl::V8LocalValueFromJsValue(value)); - return napi_clear_last_error(env); -} - -napi_status napi_get_buffer_info(napi_env env, - napi_value value, - void** data, - size_t* length) { - CHECK_ENV(env); - CHECK_ARG(env, value); - - v8::Local buffer = v8impl::V8LocalValueFromJsValue(value); - - if (data != nullptr) { - *data = node::Buffer::Data(buffer); - } - if (length != nullptr) { - *length = node::Buffer::Length(buffer); - } - - return napi_clear_last_error(env); -} - -napi_status napi_is_arraybuffer(napi_env env, napi_value value, bool* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - *result = val->IsArrayBuffer(); - - return napi_clear_last_error(env); -} - -napi_status napi_create_arraybuffer(napi_env env, - size_t byte_length, - void** data, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local buffer = - v8::ArrayBuffer::New(isolate, byte_length); - - // Optionally return a pointer to the buffer's data, to avoid another call to - // retrieve it. - if (data != nullptr) { - *data = buffer->GetContents().Data(); - } - - *result = v8impl::JsValueFromV8LocalValue(buffer); - return GET_RETURN_STATUS(env); -} - -napi_status napi_create_external_arraybuffer(napi_env env, - void* external_data, - size_t byte_length, - napi_finalize finalize_cb, - void* finalize_hint, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, result); - - v8::Isolate* isolate = env->isolate; - v8::Local buffer = - v8::ArrayBuffer::New(isolate, external_data, byte_length); - - if (finalize_cb != nullptr) { - // Create a self-deleting weak reference that invokes the finalizer - // callback. - v8impl::Reference::New(env, - buffer, - 0, - true, - finalize_cb, - external_data, - finalize_hint); - } - - *result = v8impl::JsValueFromV8LocalValue(buffer); - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_arraybuffer_info(napi_env env, - napi_value arraybuffer, - void** data, - size_t* byte_length) { - CHECK_ENV(env); - CHECK_ARG(env, arraybuffer); - - v8::Local value = v8impl::V8LocalValueFromJsValue(arraybuffer); - RETURN_STATUS_IF_FALSE(env, value->IsArrayBuffer(), napi_invalid_arg); - - v8::ArrayBuffer::Contents contents = - value.As()->GetContents(); - - if (data != nullptr) { - *data = contents.Data(); - } - - if (byte_length != nullptr) { - *byte_length = contents.ByteLength(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_is_typedarray(napi_env env, napi_value value, bool* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - *result = val->IsTypedArray(); - - return napi_clear_last_error(env); -} - -napi_status napi_create_typedarray(napi_env env, - napi_typedarray_type type, - size_t length, - napi_value arraybuffer, - size_t byte_offset, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, arraybuffer); - CHECK_ARG(env, result); - - v8::Local value = v8impl::V8LocalValueFromJsValue(arraybuffer); - RETURN_STATUS_IF_FALSE(env, value->IsArrayBuffer(), napi_invalid_arg); - - v8::Local buffer = value.As(); - v8::Local typedArray; - - switch (type) { - case napi_int8_array: - CREATE_TYPED_ARRAY( - env, Int8Array, 1, buffer, byte_offset, length, typedArray); - break; - case napi_uint8_array: - CREATE_TYPED_ARRAY( - env, Uint8Array, 1, buffer, byte_offset, length, typedArray); - break; - case napi_uint8_clamped_array: - CREATE_TYPED_ARRAY( - env, Uint8ClampedArray, 1, buffer, byte_offset, length, typedArray); - break; - case napi_int16_array: - CREATE_TYPED_ARRAY( - env, Int16Array, 2, buffer, byte_offset, length, typedArray); - break; - case napi_uint16_array: - CREATE_TYPED_ARRAY( - env, Uint16Array, 2, buffer, byte_offset, length, typedArray); - break; - case napi_int32_array: - CREATE_TYPED_ARRAY( - env, Int32Array, 4, buffer, byte_offset, length, typedArray); - break; - case napi_uint32_array: - CREATE_TYPED_ARRAY( - env, Uint32Array, 4, buffer, byte_offset, length, typedArray); - break; - case napi_float32_array: - CREATE_TYPED_ARRAY( - env, Float32Array, 4, buffer, byte_offset, length, typedArray); - break; - case napi_float64_array: - CREATE_TYPED_ARRAY( - env, Float64Array, 8, buffer, byte_offset, length, typedArray); - break; - default: - return napi_set_last_error(env, napi_invalid_arg); - } - - *result = v8impl::JsValueFromV8LocalValue(typedArray); - return GET_RETURN_STATUS(env); -} - -napi_status napi_get_typedarray_info(napi_env env, - napi_value typedarray, - napi_typedarray_type* type, - size_t* length, - void** data, - napi_value* arraybuffer, - size_t* byte_offset) { - CHECK_ENV(env); - CHECK_ARG(env, typedarray); - - v8::Local value = v8impl::V8LocalValueFromJsValue(typedarray); - RETURN_STATUS_IF_FALSE(env, value->IsTypedArray(), napi_invalid_arg); - - v8::Local array = value.As(); - - if (type != nullptr) { - if (value->IsInt8Array()) { - *type = napi_int8_array; - } else if (value->IsUint8Array()) { - *type = napi_uint8_array; - } else if (value->IsUint8ClampedArray()) { - *type = napi_uint8_clamped_array; - } else if (value->IsInt16Array()) { - *type = napi_int16_array; - } else if (value->IsUint16Array()) { - *type = napi_uint16_array; - } else if (value->IsInt32Array()) { - *type = napi_int32_array; - } else if (value->IsUint32Array()) { - *type = napi_uint32_array; - } else if (value->IsFloat32Array()) { - *type = napi_float32_array; - } else if (value->IsFloat64Array()) { - *type = napi_float64_array; - } - } - - if (length != nullptr) { - *length = array->Length(); - } - - v8::Local buffer = array->Buffer(); - if (data != nullptr) { - *data = static_cast(buffer->GetContents().Data()) + - array->ByteOffset(); - } - - if (arraybuffer != nullptr) { - *arraybuffer = v8impl::JsValueFromV8LocalValue(buffer); - } - - if (byte_offset != nullptr) { - *byte_offset = array->ByteOffset(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_create_dataview(napi_env env, - size_t byte_length, - napi_value arraybuffer, - size_t byte_offset, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, arraybuffer); - CHECK_ARG(env, result); - - v8::Local value = v8impl::V8LocalValueFromJsValue(arraybuffer); - RETURN_STATUS_IF_FALSE(env, value->IsArrayBuffer(), napi_invalid_arg); - - v8::Local buffer = value.As(); - if (byte_length + byte_offset > buffer->ByteLength()) { - napi_throw_range_error( - env, - "ERR_NAPI_INVALID_DATAVIEW_ARGS", - "byte_offset + byte_length should be less than or " - "equal to the size in bytes of the array passed in"); - return napi_set_last_error(env, napi_generic_failure); - } - v8::Local DataView = v8::DataView::New(buffer, byte_offset, - byte_length); - - *result = v8impl::JsValueFromV8LocalValue(DataView); - return GET_RETURN_STATUS(env); -} - -napi_status napi_is_dataview(napi_env env, napi_value value, bool* result) { - CHECK_ENV(env); - CHECK_ARG(env, value); - CHECK_ARG(env, result); - - v8::Local val = v8impl::V8LocalValueFromJsValue(value); - *result = val->IsDataView(); - - return napi_clear_last_error(env); -} - -napi_status napi_get_dataview_info(napi_env env, - napi_value dataview, - size_t* byte_length, - void** data, - napi_value* arraybuffer, - size_t* byte_offset) { - CHECK_ENV(env); - CHECK_ARG(env, dataview); - - v8::Local value = v8impl::V8LocalValueFromJsValue(dataview); - RETURN_STATUS_IF_FALSE(env, value->IsDataView(), napi_invalid_arg); - - v8::Local array = value.As(); - - if (byte_length != nullptr) { - *byte_length = array->ByteLength(); - } - - v8::Local buffer = array->Buffer(); - if (data != nullptr) { - *data = static_cast(buffer->GetContents().Data()) + - array->ByteOffset(); - } - - if (arraybuffer != nullptr) { - *arraybuffer = v8impl::JsValueFromV8LocalValue(buffer); - } - - if (byte_offset != nullptr) { - *byte_offset = array->ByteOffset(); - } - - return napi_clear_last_error(env); -} - -napi_status napi_get_version(napi_env env, uint32_t* result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - *result = NAPI_VERSION; - return napi_clear_last_error(env); -} - -napi_status napi_get_node_version(napi_env env, - const napi_node_version** result) { - CHECK_ENV(env); - CHECK_ARG(env, result); - static const napi_node_version version = { - NODE_MAJOR_VERSION, - NODE_MINOR_VERSION, - NODE_PATCH_VERSION, - NODE_RELEASE - }; - *result = &version; - return napi_clear_last_error(env); -} - -napi_status napi_adjust_external_memory(napi_env env, - int64_t change_in_bytes, - int64_t* adjusted_value) { - CHECK_ENV(env); - CHECK_ARG(env, adjusted_value); - - *adjusted_value = env->isolate->AdjustAmountOfExternalAllocatedMemory( - change_in_bytes); - - return napi_clear_last_error(env); -} - -namespace { -namespace uvimpl { - -static napi_status ConvertUVErrorCode(int code) { - switch (code) { - case 0: - return napi_ok; - case UV_EINVAL: - return napi_invalid_arg; - case UV_ECANCELED: - return napi_cancelled; - } - - return napi_generic_failure; -} - -// Wrapper around uv_work_t which calls user-provided callbacks. -class Work : public node::AsyncResource { - private: - explicit Work(napi_env env, - v8::Local async_resource, - v8::Local async_resource_name, - napi_async_execute_callback execute, - napi_async_complete_callback complete = nullptr, - void* data = nullptr) - : AsyncResource(env->isolate, - async_resource, - *v8::String::Utf8Value(async_resource_name)), - _env(env), - _data(data), - _execute(execute), - _complete(complete) { - memset(&_request, 0, sizeof(_request)); - _request.data = this; - } - - ~Work() { } - - public: - static Work* New(napi_env env, - v8::Local async_resource, - v8::Local async_resource_name, - napi_async_execute_callback execute, - napi_async_complete_callback complete, - void* data) { - return new Work(env, async_resource, async_resource_name, - execute, complete, data); - } - - static void Delete(Work* work) { - delete work; - } - - static void ExecuteCallback(uv_work_t* req) { - Work* work = static_cast(req->data); - work->_execute(work->_env, work->_data); - } - - static void CompleteCallback(uv_work_t* req, int status) { - Work* work = static_cast(req->data); - - if (work->_complete != nullptr) { - napi_env env = work->_env; - - // Establish a handle scope here so that every callback doesn't have to. - // Also it is needed for the exception-handling below. - v8::HandleScope scope(env->isolate); - CallbackScope callback_scope(work); - - NAPI_CALL_INTO_MODULE(env, - work->_complete(env, ConvertUVErrorCode(status), work->_data), - [env] (v8::Local local_err) { - // If there was an unhandled exception in the complete callback, - // report it as a fatal exception. (There is no JavaScript on the - // callstack that can possibly handle it.) - v8impl::trigger_fatal_exception(env, local_err); - }); - - // Note: Don't access `work` after this point because it was - // likely deleted by the complete callback. - } - } - - uv_work_t* Request() { - return &_request; - } - - private: - napi_env _env; - void* _data; - uv_work_t _request; - napi_async_execute_callback _execute; - napi_async_complete_callback _complete; -}; - -} // end of namespace uvimpl -} // end of anonymous namespace - -#define CALL_UV(env, condition) \ - do { \ - int result = (condition); \ - napi_status status = uvimpl::ConvertUVErrorCode(result); \ - if (status != napi_ok) { \ - return napi_set_last_error(env, status, result); \ - } \ - } while (0) - -napi_status napi_create_async_work(napi_env env, - napi_value async_resource, - napi_value async_resource_name, - napi_async_execute_callback execute, - napi_async_complete_callback complete, - void* data, - napi_async_work* result) { - CHECK_ENV(env); - CHECK_ARG(env, execute); - CHECK_ARG(env, result); - - v8::Local context = env->isolate->GetCurrentContext(); - - v8::Local resource; - if (async_resource != nullptr) { - CHECK_TO_OBJECT(env, context, resource, async_resource); - } else { - resource = v8::Object::New(env->isolate); - } - - v8::Local resource_name; - CHECK_TO_STRING(env, context, resource_name, async_resource_name); - - uvimpl::Work* work = - uvimpl::Work::New(env, resource, resource_name, - execute, complete, data); - - *result = reinterpret_cast(work); - - return napi_clear_last_error(env); -} - -napi_status napi_delete_async_work(napi_env env, napi_async_work work) { - CHECK_ENV(env); - CHECK_ARG(env, work); - - uvimpl::Work::Delete(reinterpret_cast(work)); - - return napi_clear_last_error(env); -} - -napi_status napi_queue_async_work(napi_env env, napi_async_work work) { - CHECK_ENV(env); - CHECK_ARG(env, work); - - // Consider: Encapsulate the uv_loop_t into an opaque pointer parameter. - // Currently the environment event loop is the same as the UV default loop. - // Someday (if node ever supports multiple isolates), it may be better to get - // the loop from node::Environment::GetCurrent(env->isolate)->event_loop(); - uv_loop_t* event_loop = uv_default_loop(); - - uvimpl::Work* w = reinterpret_cast(work); - - CALL_UV(env, uv_queue_work(event_loop, - w->Request(), - uvimpl::Work::ExecuteCallback, - uvimpl::Work::CompleteCallback)); - - return napi_clear_last_error(env); -} - -napi_status napi_cancel_async_work(napi_env env, napi_async_work work) { - CHECK_ENV(env); - CHECK_ARG(env, work); - - uvimpl::Work* w = reinterpret_cast(work); - - CALL_UV(env, uv_cancel(reinterpret_cast(w->Request()))); - - return napi_clear_last_error(env); -} - -napi_status napi_create_promise(napi_env env, - napi_deferred* deferred, - napi_value* promise) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, deferred); - CHECK_ARG(env, promise); - - auto maybe = v8::Promise::Resolver::New(env->isolate->GetCurrentContext()); - CHECK_MAYBE_EMPTY(env, maybe, napi_generic_failure); - - auto v8_resolver = maybe.ToLocalChecked(); - auto v8_deferred = new v8::Persistent(); - v8_deferred->Reset(env->isolate, v8_resolver); - - *deferred = v8impl::JsDeferredFromV8Persistent(v8_deferred); - *promise = v8impl::JsValueFromV8LocalValue(v8_resolver->GetPromise()); - return GET_RETURN_STATUS(env); -} - -napi_status napi_resolve_deferred(napi_env env, - napi_deferred deferred, - napi_value resolution) { - return v8impl::ConcludeDeferred(env, deferred, resolution, true); -} - -napi_status napi_reject_deferred(napi_env env, - napi_deferred deferred, - napi_value resolution) { - return v8impl::ConcludeDeferred(env, deferred, resolution, false); -} - -napi_status napi_is_promise(napi_env env, - napi_value promise, - bool* is_promise) { - CHECK_ENV(env); - CHECK_ARG(env, promise); - CHECK_ARG(env, is_promise); - - *is_promise = v8impl::V8LocalValueFromJsValue(promise)->IsPromise(); - - return napi_clear_last_error(env); -} - -napi_status napi_run_script(napi_env env, - napi_value script, - napi_value* result) { - NAPI_PREAMBLE(env); - CHECK_ARG(env, script); - CHECK_ARG(env, result); - - v8::Local v8_script = v8impl::V8LocalValueFromJsValue(script); - - if (!v8_script->IsString()) { - return napi_set_last_error(env, napi_string_expected); - } - - v8::Local context = env->isolate->GetCurrentContext(); - - auto maybe_script = v8::Script::Compile(context, - v8::Local::Cast(v8_script)); - CHECK_MAYBE_EMPTY(env, maybe_script, napi_generic_failure); - - auto script_result = - maybe_script.ToLocalChecked()->Run(context); - CHECK_MAYBE_EMPTY(env, script_result, napi_generic_failure); - - *result = v8impl::JsValueFromV8LocalValue(script_result.ToLocalChecked()); - return GET_RETURN_STATUS(env); -} diff --git a/src/node_api.gyp b/src/node_api.gyp deleted file mode 100644 index 3de7da1..0000000 --- a/src/node_api.gyp +++ /dev/null @@ -1,21 +0,0 @@ -{ - 'targets': [ - { - 'target_name': 'nothing', - 'type': 'static_library', - 'sources': [ 'nothing.c' ] - }, - { - 'target_name': 'node-api', - 'type': 'static_library', - 'sources': [ - 'node_api.cc', - 'node_internals.cc', - ], - 'defines': [ - 'EXTERNAL_NAPI', - ], - 'cflags_cc': ['-fvisibility=hidden'] - } - ] -} diff --git a/src/node_api.h b/src/node_api.h deleted file mode 100644 index 27028f7..0000000 --- a/src/node_api.h +++ /dev/null @@ -1,588 +0,0 @@ -/****************************************************************************** - * Experimental prototype for demonstrating VM agnostic and ABI stable API - * for native modules to use instead of using Nan and V8 APIs directly. - * - * The current status is "Experimental" and should not be used for - * production applications. The API is still subject to change - * and as an experimental feature is NOT subject to semver. - * - ******************************************************************************/ -#ifndef SRC_NODE_API_H_ -#define SRC_NODE_API_H_ - -#include -#include -#include "node_api_types.h" - -#ifdef _WIN32 - #ifdef BUILDING_NODE_EXTENSION - #ifdef EXTERNAL_NAPI - // Building external N-API, or native module against external N-API - #define NAPI_EXTERN /* nothing */ - #else - // Building native module against node with built-in N-API - #define NAPI_EXTERN __declspec(dllimport) - #endif - #else - // Building node with built-in N-API - #define NAPI_EXTERN __declspec(dllexport) - #endif -#else - #define NAPI_EXTERN /* nothing */ -#endif - -#ifdef _WIN32 -# define NAPI_MODULE_EXPORT __declspec(dllexport) -#else -# define NAPI_MODULE_EXPORT __attribute__((visibility("default"))) -#endif - -#ifdef __GNUC__ -#define NAPI_NO_RETURN __attribute__((noreturn)) -#else -#define NAPI_NO_RETURN -#endif - - -typedef napi_value (*napi_addon_register_func)(napi_env env, - napi_value exports); - -typedef struct { - int nm_version; - unsigned int nm_flags; - const char* nm_filename; - napi_addon_register_func nm_register_func; - const char* nm_modname; - void* nm_priv; - void* reserved[4]; -} napi_module; - -#define NAPI_MODULE_VERSION 1 - -#if defined(_MSC_VER) -#pragma section(".CRT$XCU", read) -#define NAPI_C_CTOR(fn) \ - static void __cdecl fn(void); \ - __declspec(dllexport, allocate(".CRT$XCU")) void(__cdecl * fn##_)(void) = \ - fn; \ - static void __cdecl fn(void) -#else -#define NAPI_C_CTOR(fn) \ - static void fn(void) __attribute__((constructor)); \ - static void fn(void) -#endif - -#ifdef __cplusplus -#define EXTERN_C_START extern "C" { -#define EXTERN_C_END } -#else -#define EXTERN_C_START -#define EXTERN_C_END -#endif - -#define NAPI_MODULE_X(modname, regfunc, priv, flags) \ - EXTERN_C_START \ - static napi_module _module = \ - { \ - NAPI_MODULE_VERSION, \ - flags, \ - __FILE__, \ - regfunc, \ - #modname, \ - priv, \ - {0}, \ - }; \ - NAPI_C_CTOR(_register_ ## modname) { \ - napi_module_register(&_module); \ - } \ - EXTERN_C_END - -#define NAPI_MODULE(modname, regfunc) \ - NAPI_MODULE_X(modname, regfunc, NULL, 0) - -#define NAPI_AUTO_LENGTH SIZE_MAX - -EXTERN_C_START - -NAPI_EXTERN void napi_module_register(napi_module* mod); - -NAPI_EXTERN napi_status -napi_get_last_error_info(napi_env env, - const napi_extended_error_info** result); - -NAPI_EXTERN napi_status napi_fatal_exception(napi_env env, napi_value err); - -NAPI_EXTERN NAPI_NO_RETURN void napi_fatal_error(const char* location, - size_t location_len, - const char* message, - size_t message_len); - -// Getters for defined singletons -NAPI_EXTERN napi_status napi_get_undefined(napi_env env, napi_value* result); -NAPI_EXTERN napi_status napi_get_null(napi_env env, napi_value* result); -NAPI_EXTERN napi_status napi_get_global(napi_env env, napi_value* result); -NAPI_EXTERN napi_status napi_get_boolean(napi_env env, - bool value, - napi_value* result); - -// Methods to create Primitive types/Objects -NAPI_EXTERN napi_status napi_create_object(napi_env env, napi_value* result); -NAPI_EXTERN napi_status napi_create_array(napi_env env, napi_value* result); -NAPI_EXTERN napi_status napi_create_array_with_length(napi_env env, - size_t length, - napi_value* result); -NAPI_EXTERN napi_status napi_create_double(napi_env env, - double value, - napi_value* result); -NAPI_EXTERN napi_status napi_create_int32(napi_env env, - int32_t value, - napi_value* result); -NAPI_EXTERN napi_status napi_create_uint32(napi_env env, - uint32_t value, - napi_value* result); -NAPI_EXTERN napi_status napi_create_int64(napi_env env, - int64_t value, - napi_value* result); -NAPI_EXTERN napi_status napi_create_string_latin1(napi_env env, - const char* str, - size_t length, - napi_value* result); -NAPI_EXTERN napi_status napi_create_string_utf8(napi_env env, - const char* str, - size_t length, - napi_value* result); -NAPI_EXTERN napi_status napi_create_string_utf16(napi_env env, - const char16_t* str, - size_t length, - napi_value* result); -NAPI_EXTERN napi_status napi_create_symbol(napi_env env, - napi_value description, - napi_value* result); -NAPI_EXTERN napi_status napi_create_function(napi_env env, - const char* utf8name, - size_t length, - napi_callback cb, - void* data, - napi_value* result); -NAPI_EXTERN napi_status napi_create_error(napi_env env, - napi_value code, - napi_value msg, - napi_value* result); -NAPI_EXTERN napi_status napi_create_type_error(napi_env env, - napi_value code, - napi_value msg, - napi_value* result); -NAPI_EXTERN napi_status napi_create_range_error(napi_env env, - napi_value code, - napi_value msg, - napi_value* result); - -// Methods to get the the native napi_value from Primitive type -NAPI_EXTERN napi_status napi_typeof(napi_env env, - napi_value value, - napi_valuetype* result); -NAPI_EXTERN napi_status napi_get_value_double(napi_env env, - napi_value value, - double* result); -NAPI_EXTERN napi_status napi_get_value_int32(napi_env env, - napi_value value, - int32_t* result); -NAPI_EXTERN napi_status napi_get_value_uint32(napi_env env, - napi_value value, - uint32_t* result); -NAPI_EXTERN napi_status napi_get_value_int64(napi_env env, - napi_value value, - int64_t* result); -NAPI_EXTERN napi_status napi_get_value_bool(napi_env env, - napi_value value, - bool* result); - -// Copies LATIN-1 encoded bytes from a string into a buffer. -NAPI_EXTERN napi_status napi_get_value_string_latin1(napi_env env, - napi_value value, - char* buf, - size_t bufsize, - size_t* result); - -// Copies UTF-8 encoded bytes from a string into a buffer. -NAPI_EXTERN napi_status napi_get_value_string_utf8(napi_env env, - napi_value value, - char* buf, - size_t bufsize, - size_t* result); - -// Copies UTF-16 encoded bytes from a string into a buffer. -NAPI_EXTERN napi_status napi_get_value_string_utf16(napi_env env, - napi_value value, - char16_t* buf, - size_t bufsize, - size_t* result); - -// Methods to coerce values -// These APIs may execute user scripts -NAPI_EXTERN napi_status napi_coerce_to_bool(napi_env env, - napi_value value, - napi_value* result); -NAPI_EXTERN napi_status napi_coerce_to_number(napi_env env, - napi_value value, - napi_value* result); -NAPI_EXTERN napi_status napi_coerce_to_object(napi_env env, - napi_value value, - napi_value* result); -NAPI_EXTERN napi_status napi_coerce_to_string(napi_env env, - napi_value value, - napi_value* result); - -// Methods to work with Objects -NAPI_EXTERN napi_status napi_get_prototype(napi_env env, - napi_value object, - napi_value* result); -NAPI_EXTERN napi_status napi_get_property_names(napi_env env, - napi_value object, - napi_value* result); -NAPI_EXTERN napi_status napi_set_property(napi_env env, - napi_value object, - napi_value key, - napi_value value); -NAPI_EXTERN napi_status napi_has_property(napi_env env, - napi_value object, - napi_value key, - bool* result); -NAPI_EXTERN napi_status napi_get_property(napi_env env, - napi_value object, - napi_value key, - napi_value* result); -NAPI_EXTERN napi_status napi_delete_property(napi_env env, - napi_value object, - napi_value key, - bool* result); -NAPI_EXTERN napi_status napi_has_own_property(napi_env env, - napi_value object, - napi_value key, - bool* result); -NAPI_EXTERN napi_status napi_set_named_property(napi_env env, - napi_value object, - const char* utf8name, - napi_value value); -NAPI_EXTERN napi_status napi_has_named_property(napi_env env, - napi_value object, - const char* utf8name, - bool* result); -NAPI_EXTERN napi_status napi_get_named_property(napi_env env, - napi_value object, - const char* utf8name, - napi_value* result); -NAPI_EXTERN napi_status napi_set_element(napi_env env, - napi_value object, - uint32_t index, - napi_value value); -NAPI_EXTERN napi_status napi_has_element(napi_env env, - napi_value object, - uint32_t index, - bool* result); -NAPI_EXTERN napi_status napi_get_element(napi_env env, - napi_value object, - uint32_t index, - napi_value* result); -NAPI_EXTERN napi_status napi_delete_element(napi_env env, - napi_value object, - uint32_t index, - bool* result); -NAPI_EXTERN napi_status -napi_define_properties(napi_env env, - napi_value object, - size_t property_count, - const napi_property_descriptor* properties); - -// Methods to work with Arrays -NAPI_EXTERN napi_status napi_is_array(napi_env env, - napi_value value, - bool* result); -NAPI_EXTERN napi_status napi_get_array_length(napi_env env, - napi_value value, - uint32_t* result); - -// Methods to compare values -NAPI_EXTERN napi_status napi_strict_equals(napi_env env, - napi_value lhs, - napi_value rhs, - bool* result); - -// Methods to work with Functions -NAPI_EXTERN napi_status napi_call_function(napi_env env, - napi_value recv, - napi_value func, - size_t argc, - const napi_value* argv, - napi_value* result); -NAPI_EXTERN napi_status napi_new_instance(napi_env env, - napi_value constructor, - size_t argc, - const napi_value* argv, - napi_value* result); -NAPI_EXTERN napi_status napi_instanceof(napi_env env, - napi_value object, - napi_value constructor, - bool* result); - -// Methods to work with napi_callbacks - -// Gets all callback info in a single call. (Ugly, but faster.) -NAPI_EXTERN napi_status napi_get_cb_info( - napi_env env, // [in] NAPI environment handle - napi_callback_info cbinfo, // [in] Opaque callback-info handle - size_t* argc, // [in-out] Specifies the size of the provided argv array - // and receives the actual count of args. - napi_value* argv, // [out] Array of values - napi_value* this_arg, // [out] Receives the JS 'this' arg for the call - void** data); // [out] Receives the data pointer for the callback. - -NAPI_EXTERN napi_status napi_get_new_target(napi_env env, - napi_callback_info cbinfo, - napi_value* result); -NAPI_EXTERN napi_status -napi_define_class(napi_env env, - const char* utf8name, - size_t length, - napi_callback constructor, - void* data, - size_t property_count, - const napi_property_descriptor* properties, - napi_value* result); - -// Methods to work with external data objects -NAPI_EXTERN napi_status napi_wrap(napi_env env, - napi_value js_object, - void* native_object, - napi_finalize finalize_cb, - void* finalize_hint, - napi_ref* result); -NAPI_EXTERN napi_status napi_unwrap(napi_env env, - napi_value js_object, - void** result); -NAPI_EXTERN napi_status napi_remove_wrap(napi_env env, - napi_value js_object, - void** result); -NAPI_EXTERN napi_status napi_create_external(napi_env env, - void* data, - napi_finalize finalize_cb, - void* finalize_hint, - napi_value* result); -NAPI_EXTERN napi_status napi_get_value_external(napi_env env, - napi_value value, - void** result); - -// Methods to control object lifespan - -// Set initial_refcount to 0 for a weak reference, >0 for a strong reference. -NAPI_EXTERN napi_status napi_create_reference(napi_env env, - napi_value value, - uint32_t initial_refcount, - napi_ref* result); - -// Deletes a reference. The referenced value is released, and may -// be GC'd unless there are other references to it. -NAPI_EXTERN napi_status napi_delete_reference(napi_env env, napi_ref ref); - -// Increments the reference count, optionally returning the resulting count. -// After this call the reference will be a strong reference because its -// refcount is >0, and the referenced object is effectively "pinned". -// Calling this when the refcount is 0 and the object is unavailable -// results in an error. -NAPI_EXTERN napi_status napi_reference_ref(napi_env env, - napi_ref ref, - uint32_t* result); - -// Decrements the reference count, optionally returning the resulting count. -// If the result is 0 the reference is now weak and the object may be GC'd -// at any time if there are no other references. Calling this when the -// refcount is already 0 results in an error. -NAPI_EXTERN napi_status napi_reference_unref(napi_env env, - napi_ref ref, - uint32_t* result); - -// Attempts to get a referenced value. If the reference is weak, -// the value might no longer be available, in that case the call -// is still successful but the result is NULL. -NAPI_EXTERN napi_status napi_get_reference_value(napi_env env, - napi_ref ref, - napi_value* result); - -NAPI_EXTERN napi_status napi_open_handle_scope(napi_env env, - napi_handle_scope* result); -NAPI_EXTERN napi_status napi_close_handle_scope(napi_env env, - napi_handle_scope scope); -NAPI_EXTERN napi_status -napi_open_escapable_handle_scope(napi_env env, - napi_escapable_handle_scope* result); -NAPI_EXTERN napi_status -napi_close_escapable_handle_scope(napi_env env, - napi_escapable_handle_scope scope); - -NAPI_EXTERN napi_status napi_escape_handle(napi_env env, - napi_escapable_handle_scope scope, - napi_value escapee, - napi_value* result); - -// Methods to support error handling -NAPI_EXTERN napi_status napi_throw(napi_env env, napi_value error); -NAPI_EXTERN napi_status napi_throw_error(napi_env env, - const char* code, - const char* msg); -NAPI_EXTERN napi_status napi_throw_type_error(napi_env env, - const char* code, - const char* msg); -NAPI_EXTERN napi_status napi_throw_range_error(napi_env env, - const char* code, - const char* msg); -NAPI_EXTERN napi_status napi_is_error(napi_env env, - napi_value value, - bool* result); - -// Methods to support catching exceptions -NAPI_EXTERN napi_status napi_is_exception_pending(napi_env env, bool* result); -NAPI_EXTERN napi_status napi_get_and_clear_last_exception(napi_env env, - napi_value* result); - -// Methods to provide node::Buffer functionality with napi types -NAPI_EXTERN napi_status napi_create_buffer(napi_env env, - size_t length, - void** data, - napi_value* result); -NAPI_EXTERN napi_status napi_create_external_buffer(napi_env env, - size_t length, - void* data, - napi_finalize finalize_cb, - void* finalize_hint, - napi_value* result); -NAPI_EXTERN napi_status napi_create_buffer_copy(napi_env env, - size_t length, - const void* data, - void** result_data, - napi_value* result); -NAPI_EXTERN napi_status napi_is_buffer(napi_env env, - napi_value value, - bool* result); -NAPI_EXTERN napi_status napi_get_buffer_info(napi_env env, - napi_value value, - void** data, - size_t* length); - -// Methods to work with array buffers and typed arrays -NAPI_EXTERN napi_status napi_is_arraybuffer(napi_env env, - napi_value value, - bool* result); -NAPI_EXTERN napi_status napi_create_arraybuffer(napi_env env, - size_t byte_length, - void** data, - napi_value* result); -NAPI_EXTERN napi_status -napi_create_external_arraybuffer(napi_env env, - void* external_data, - size_t byte_length, - napi_finalize finalize_cb, - void* finalize_hint, - napi_value* result); -NAPI_EXTERN napi_status napi_get_arraybuffer_info(napi_env env, - napi_value arraybuffer, - void** data, - size_t* byte_length); -NAPI_EXTERN napi_status napi_is_typedarray(napi_env env, - napi_value value, - bool* result); -NAPI_EXTERN napi_status napi_create_typedarray(napi_env env, - napi_typedarray_type type, - size_t length, - napi_value arraybuffer, - size_t byte_offset, - napi_value* result); -NAPI_EXTERN napi_status napi_get_typedarray_info(napi_env env, - napi_value typedarray, - napi_typedarray_type* type, - size_t* length, - void** data, - napi_value* arraybuffer, - size_t* byte_offset); - -NAPI_EXTERN napi_status napi_create_dataview(napi_env env, - size_t length, - napi_value arraybuffer, - size_t byte_offset, - napi_value* result); -NAPI_EXTERN napi_status napi_is_dataview(napi_env env, - napi_value value, - bool* result); -NAPI_EXTERN napi_status napi_get_dataview_info(napi_env env, - napi_value dataview, - size_t* bytelength, - void** data, - napi_value* arraybuffer, - size_t* byte_offset); - -// Methods to manage simple async operations -NAPI_EXTERN -napi_status napi_create_async_work(napi_env env, - napi_value async_resource, - napi_value async_resource_name, - napi_async_execute_callback execute, - napi_async_complete_callback complete, - void* data, - napi_async_work* result); -NAPI_EXTERN napi_status napi_delete_async_work(napi_env env, - napi_async_work work); -NAPI_EXTERN napi_status napi_queue_async_work(napi_env env, - napi_async_work work); -NAPI_EXTERN napi_status napi_cancel_async_work(napi_env env, - napi_async_work work); - -// Methods for custom handling of async operations -NAPI_EXTERN napi_status napi_async_init(napi_env env, - napi_value async_resource, - napi_value async_resource_name, - napi_async_context* result); - -NAPI_EXTERN napi_status napi_async_destroy(napi_env env, - napi_async_context async_context); - -NAPI_EXTERN napi_status napi_make_callback(napi_env env, - napi_async_context async_context, - napi_value recv, - napi_value func, - size_t argc, - const napi_value* argv, - napi_value* result); - -// version management -NAPI_EXTERN napi_status napi_get_version(napi_env env, uint32_t* result); - -NAPI_EXTERN -napi_status napi_get_node_version(napi_env env, - const napi_node_version** version); - -// Promises -NAPI_EXTERN napi_status napi_create_promise(napi_env env, - napi_deferred* deferred, - napi_value* promise); -NAPI_EXTERN napi_status napi_resolve_deferred(napi_env env, - napi_deferred deferred, - napi_value resolution); -NAPI_EXTERN napi_status napi_reject_deferred(napi_env env, - napi_deferred deferred, - napi_value rejection); -NAPI_EXTERN napi_status napi_is_promise(napi_env env, - napi_value promise, - bool* is_promise); - -// Memory management -NAPI_EXTERN napi_status napi_adjust_external_memory(napi_env env, - int64_t change_in_bytes, - int64_t* adjusted_value); - -// Runnig a script -NAPI_EXTERN napi_status napi_run_script(napi_env env, - napi_value script, - napi_value* result); - -EXTERN_C_END - -#endif // SRC_NODE_API_H_ diff --git a/src/node_api_types.h b/src/node_api_types.h deleted file mode 100644 index 230c1f4..0000000 --- a/src/node_api_types.h +++ /dev/null @@ -1,115 +0,0 @@ -#ifndef SRC_NODE_API_TYPES_H_ -#define SRC_NODE_API_TYPES_H_ - -#include -#include - -#if !defined __cplusplus || (defined(_MSC_VER) && _MSC_VER < 1900) - typedef uint16_t char16_t; -#endif - -// JSVM API types are all opaque pointers for ABI stability -// typedef undefined structs instead of void* for compile time type safety -typedef struct napi_env__ *napi_env; -typedef struct napi_value__ *napi_value; -typedef struct napi_ref__ *napi_ref; -typedef struct napi_handle_scope__ *napi_handle_scope; -typedef struct napi_escapable_handle_scope__ *napi_escapable_handle_scope; -typedef struct napi_callback_info__ *napi_callback_info; -typedef struct napi_async_context__ *napi_async_context; -typedef struct napi_async_work__ *napi_async_work; -typedef struct napi_deferred__ *napi_deferred; - -typedef enum { - napi_default = 0, - napi_writable = 1 << 0, - napi_enumerable = 1 << 1, - napi_configurable = 1 << 2, - - // Used with napi_define_class to distinguish static properties - // from instance properties. Ignored by napi_define_properties. - napi_static = 1 << 10, -} napi_property_attributes; - -typedef enum { - // ES6 types (corresponds to typeof) - napi_undefined, - napi_null, - napi_boolean, - napi_number, - napi_string, - napi_symbol, - napi_object, - napi_function, - napi_external, -} napi_valuetype; - -typedef enum { - napi_int8_array, - napi_uint8_array, - napi_uint8_clamped_array, - napi_int16_array, - napi_uint16_array, - napi_int32_array, - napi_uint32_array, - napi_float32_array, - napi_float64_array, -} napi_typedarray_type; - -typedef enum { - napi_ok, - napi_invalid_arg, - napi_object_expected, - napi_string_expected, - napi_name_expected, - napi_function_expected, - napi_number_expected, - napi_boolean_expected, - napi_array_expected, - napi_generic_failure, - napi_pending_exception, - napi_cancelled, - napi_escape_called_twice, - napi_handle_scope_mismatch -} napi_status; - -typedef napi_value (*napi_callback)(napi_env env, - napi_callback_info info); -typedef void (*napi_finalize)(napi_env env, - void* finalize_data, - void* finalize_hint); -typedef void (*napi_async_execute_callback)(napi_env env, - void* data); -typedef void (*napi_async_complete_callback)(napi_env env, - napi_status status, - void* data); - -typedef struct { - // One of utf8name or name should be NULL. - const char* utf8name; - napi_value name; - - napi_callback method; - napi_callback getter; - napi_callback setter; - napi_value value; - - napi_property_attributes attributes; - void* data; -} napi_property_descriptor; - -typedef struct { - const char* error_message; - void* engine_reserved; - uint32_t engine_error_code; - napi_status error_code; -} napi_extended_error_info; - -typedef struct { - uint32_t major; - uint32_t minor; - uint32_t patch; - const char* release; -} napi_node_version; - -#endif // SRC_NODE_API_TYPES_H_ diff --git a/src/node_internals.cc b/src/node_internals.cc deleted file mode 100644 index c4a7dd8..0000000 --- a/src/node_internals.cc +++ /dev/null @@ -1,142 +0,0 @@ -#include "node_internals.h" -#include -#include -#include -#include "uv.h" - -#if defined(_MSC_VER) -#define getpid GetCurrentProcessId -#else -#include // getpid -#endif - -#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6 -CallbackScope::CallbackScope(void *work) { -} -#endif // NODE_MAJOR_VERSION < 8 - -namespace node { - -#if NODE_MAJOR_VERSION < 8 - -async_context EmitAsyncInit(v8::Isolate* isolate, - v8::Local resource, - v8::Local name, - async_id trigger_async_id) { - return async_context(); -} - -void EmitAsyncDestroy(v8::Isolate* isolate, - async_context asyncContext) { -} - -AsyncResource::AsyncResource(v8::Isolate* isolate, - v8::Local object, - const char *name) { -} - -#endif // NODE_MAJOR_VERSION < 8 - -#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6 - -v8::MaybeLocal MakeCallback(v8::Isolate* isolate, - v8::Local recv, - v8::Local callback, - int argc, - v8::Local* argv, - async_context asyncContext) { - return node::MakeCallback(isolate, recv, callback, argc, argv); -} - -#endif // NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6 - -static void PrintErrorString(const char* format, ...) { - va_list ap; - va_start(ap, format); -#ifdef _WIN32 - HANDLE stderr_handle = GetStdHandle(STD_ERROR_HANDLE); - - // Check if stderr is something other than a tty/console - if (stderr_handle == INVALID_HANDLE_VALUE || - stderr_handle == nullptr || - uv_guess_handle(_fileno(stderr)) != UV_TTY) { - vfprintf(stderr, format, ap); - va_end(ap); - return; - } - - // Fill in any placeholders - int n = _vscprintf(format, ap); - std::vector out(n + 1); - vsprintf(out.data(), format, ap); - - // Get required wide buffer size - n = MultiByteToWideChar(CP_UTF8, 0, out.data(), -1, nullptr, 0); - - std::vector wbuf(n); - MultiByteToWideChar(CP_UTF8, 0, out.data(), -1, wbuf.data(), n); - - // Don't include the null character in the output - CHECK_GT(n, 0); - WriteConsoleW(stderr_handle, wbuf.data(), n - 1, nullptr, nullptr); -#else - vfprintf(stderr, format, ap); -#endif - va_end(ap); -} - -void DumpBacktrace(FILE* fp) { -} - -NO_RETURN void Abort() { - DumpBacktrace(stderr); - fflush(stderr); - ABORT_NO_BACKTRACE(); -} - -NO_RETURN void Assert(const char* const (*args)[4]) { - auto filename = (*args)[0]; - auto linenum = (*args)[1]; - auto message = (*args)[2]; - auto function = (*args)[3]; - - char exepath[256]; - size_t exepath_size = sizeof(exepath); - if (uv_exepath(exepath, &exepath_size)) - snprintf(exepath, sizeof(exepath), "node"); - - char pid[12] = {0}; - snprintf(pid, sizeof(pid), "[%u]", getpid()); - - fprintf(stderr, "%s%s: %s:%s:%s%s Assertion `%s' failed.\n", - exepath, pid, filename, linenum, - function, *function ? ":" : "", message); - fflush(stderr); - - Abort(); -} - -static void OnFatalError(const char* location, const char* message) { - if (location) { - PrintErrorString("FATAL ERROR: %s %s\n", location, message); - } else { - PrintErrorString("FATAL ERROR: %s\n", message); - } - fflush(stderr); - ABORT(); -} - -NO_RETURN void FatalError(const char* location, const char* message) { - OnFatalError(location, message); - // to suppress compiler warning - ABORT(); -} - -} // namespace node - -#if NODE_MAJOR_VERSION < 6 -v8::Local v8::Private::ForApi(v8::Isolate* isolate, - v8::Local key) { - return v8::Symbol::ForApi(isolate, key); -} -#endif // NODE_MAJOR_VERSION < 6 diff --git a/src/node_internals.h b/src/node_internals.h deleted file mode 100644 index bacccff..0000000 --- a/src/node_internals.h +++ /dev/null @@ -1,157 +0,0 @@ -#ifndef SRC_NODE_INTERNALS_H_ -#define SRC_NODE_INTERNALS_H_ - -// -// This is a stripped down shim to allow node_api.cc to build outside of the node source tree. -// - -#include "node_version.h" -#include "util-inl.h" -#include -#include -#include "uv.h" -#include "node.h" -#include - -// Windows 8+ does not like abort() in Release mode -#ifdef _WIN32 -#define ABORT_NO_BACKTRACE() raise(SIGABRT) -#else -#define ABORT_NO_BACKTRACE() abort() -#endif - -#define ABORT() node::Abort() - -#ifdef __GNUC__ -#define LIKELY(expr) __builtin_expect(!!(expr), 1) -#define UNLIKELY(expr) __builtin_expect(!!(expr), 0) -#define PRETTY_FUNCTION_NAME __PRETTY_FUNCTION__ -#else -#define LIKELY(expr) expr -#define UNLIKELY(expr) expr -#define PRETTY_FUNCTION_NAME "" -#endif - -#define STRINGIFY_(x) #x -#define STRINGIFY(x) STRINGIFY_(x) - -#define CHECK(expr) \ - do { \ - if (UNLIKELY(!(expr))) { \ - static const char* const args[] = { __FILE__, STRINGIFY(__LINE__), \ - #expr, PRETTY_FUNCTION_NAME }; \ - node::Assert(&args); \ - } \ - } while (0) - -#define CHECK_EQ(a, b) CHECK((a) == (b)) -#define CHECK_GE(a, b) CHECK((a) >= (b)) -#define CHECK_GT(a, b) CHECK((a) > (b)) -#define CHECK_LE(a, b) CHECK((a) <= (b)) -#define CHECK_LT(a, b) CHECK((a) < (b)) -#define CHECK_NE(a, b) CHECK((a) != (b)) - -#ifdef __GNUC__ -#define NO_RETURN __attribute__((noreturn)) -#else -#define NO_RETURN -#endif - -#ifndef NODE_RELEASE -#define NODE_RELEASE "node" -#endif - -#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6 -class CallbackScope { - public: - CallbackScope(void *work); -}; -#endif // NODE_MAJOR_VERSION < 8 - -namespace node { - -// Copied from Node.js' src/node_persistent.h -template -struct ResetInDestructorPersistentTraits { - static const bool kResetInDestructor = true; - template - // Disallow copy semantics by leaving this unimplemented. - inline static void Copy( - const v8::Persistent&, - v8::Persistent>*); -}; - -// v8::Persistent does not reset the object slot in its destructor. That is -// acknowledged as a flaw in the V8 API and expected to change in the future -// but for now node::Persistent is the easier and safer alternative. -template -using Persistent = v8::Persistent>; - -#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 2 -typedef int async_id; - -typedef struct async_context { - node::async_id async_id; - node::async_id trigger_async_id; -} async_context; -#endif // NODE_MAJOR_VERSION < 8.2 - -#if NODE_MAJOR_VERSION < 8 || NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION < 6 -NODE_EXTERN async_context EmitAsyncInit(v8::Isolate* isolate, - v8::Local resource, - v8::Local name, - async_id trigger_async_id = -1); - -NODE_EXTERN void EmitAsyncDestroy(v8::Isolate* isolate, - async_context asyncContext); - -v8::MaybeLocal MakeCallback(v8::Isolate* isolate, - v8::Local recv, - v8::Local callback, - int argc, - v8::Local* argv, - async_context asyncContext); - -#if NODE_MAJOR_VERSION < 8 -class AsyncResource { - public: - AsyncResource(v8::Isolate* isolate, - v8::Local object, - const char *name); -}; -#endif // node version below 8 - -#endif // node version below 8.6 - -// The slightly odd function signature for Assert() is to ease -// instruction cache pressure in calls from ASSERT and CHECK. -NO_RETURN void Abort(); -NO_RETURN void Assert(const char* const (*args)[4]); -void DumpBacktrace(FILE* fp); - -template -constexpr size_t arraysize(const T(&)[N]) { return N; } - -NO_RETURN void FatalError(const char* location, const char* message); - -} // namespace node - -#if NODE_MAJOR_VERSION < 8 -#define NewTarget This -#endif // NODE_MAJOR_VERSION < 8 - -#if NODE_MAJOR_VERSION < 6 -namespace v8 { - namespace Private { - v8::Local ForApi(v8::Isolate* isolate, v8::Local key); - } -} -#define GetPrivate(context, key) Get((context), (key)) -#define SetPrivate(context, key, value) \ - DefineOwnProperty((context), (key), (value), \ - static_cast(v8::DontEnum | \ - v8::DontDelete | \ - v8::ReadOnly)) -#endif // NODE_MAJOR_VERSION < 6 - -#endif // SRC_NODE_INTERNALS_H_ diff --git a/src/util-inl.h b/src/util-inl.h deleted file mode 100644 index 30aad16..0000000 --- a/src/util-inl.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef SRC_UTIL_INL_H_ -#define SRC_UTIL_INL_H_ - -#include "util.h" -#include "v8.h" - -namespace node { - -inline v8::Local OneByteString(v8::Isolate* isolate, - const char* data, - int length) { - return v8::String::NewFromOneByte(isolate, - reinterpret_cast(data), - v8::NewStringType::kNormal, - length).ToLocalChecked(); -} - -inline v8::Local OneByteString(v8::Isolate* isolate, - const signed char* data, - int length) { - return v8::String::NewFromOneByte(isolate, - reinterpret_cast(data), - v8::NewStringType::kNormal, - length).ToLocalChecked(); -} - -inline v8::Local OneByteString(v8::Isolate* isolate, - const unsigned char* data, - int length) { - return v8::String::NewFromOneByte(isolate, - reinterpret_cast(data), - v8::NewStringType::kNormal, - length).ToLocalChecked(); -} - -} // namespace node - -#endif // SRC_UTIL_INL_H_ diff --git a/src/util.h b/src/util.h deleted file mode 100644 index 6765bc1..0000000 --- a/src/util.h +++ /dev/null @@ -1,7 +0,0 @@ -#ifndef SRC_UTIL_H_ -#define SRC_UTIL_H_ - -#define FIXED_ONE_BYTE_STRING(isolate, string) \ - (node::OneByteString((isolate), (string), sizeof(string) - 1)) - -#endif // SRC_UTIL_H_ diff --git a/tools/conversion.js b/tools/conversion.js index 35afc21..4082567 100755 --- a/tools/conversion.js +++ b/tools/conversion.js @@ -24,8 +24,6 @@ if (disable != "--disable" && dir != "--disable") { 'binding.gyp': [ [ /([ ]*)'include_dirs': \[/g, '$1\'include_dirs\': [\n$1 \'