From a51d9e5a6703aa588d990aa6a310d71d90f22197 Mon Sep 17 00:00:00 2001 From: brian Date: Sun, 10 May 2020 18:21:03 -0700 Subject: [PATCH 1/2] Migrate to Node 12 --- binding.gyp | 5 ++++- package.json | 3 ++- src/syslog.cc | 24 +++++++++++++----------- 3 files changed, 19 insertions(+), 13 deletions(-) diff --git a/binding.gyp b/binding.gyp index 0f3da03..a8e4bea 100644 --- a/binding.gyp +++ b/binding.gyp @@ -1,8 +1,11 @@ { 'targets': [ { + 'include_dirs':[ + '<(module_root_dir)/node_modules/nan', + ], 'target_name': 'syslog', 'sources': [ 'src/syslog.cc' ] } ] -} \ No newline at end of file +} diff --git a/package.json b/package.json index a536f21..9b8e1e7 100644 --- a/package.json +++ b/package.json @@ -13,8 +13,9 @@ "install": "node-gyp rebuild" }, "dependencies": { + "bindings": "*", "colors": "~0.6.0-1", - "bindings": "*" + "nan": "^2.14.1" }, "main": "rconsole.js", "devDependencies": {}, diff --git a/src/syslog.cc b/src/syslog.cc index fa5d291..8bc09e2 100644 --- a/src/syslog.cc +++ b/src/syslog.cc @@ -25,6 +25,7 @@ #include #include #include +#include using namespace std; using namespace node; @@ -33,15 +34,15 @@ using namespace v8; char title[1024]; void open(const FunctionCallbackInfo& args) { - args[0]->ToString()->WriteUtf8((char*) &title); - int facility = args[1]->ToInteger()->Int32Value(); - int log_upto = args[2]->ToInteger()->Int32Value(); + v8::Isolate* isolate = args.GetIsolate(); + args[0]->ToString(Nan::GetCurrentContext()).FromMaybe(v8::Local())->WriteUtf8(isolate, (char*) &title); + int32_t facility = args[1]->ToInt32(Nan::GetCurrentContext()).ToLocalChecked()->Value(); + int32_t log_upto = args[2]->ToInt32(Nan::GetCurrentContext()).ToLocalChecked()->Value(); setlogmask(LOG_UPTO(log_upto)); openlog(title, LOG_PID | LOG_NDELAY, facility); - v8::Isolate* isolate = args.GetIsolate(); v8::HandleScope scope(isolate); - args.GetReturnValue().Set(String::NewFromUtf8(isolate, "true")); + args.GetReturnValue().Set(v8::String::NewFromUtf8(isolate, "true", v8::NewStringType::kNormal).ToLocalChecked()); } void exit(const FunctionCallbackInfo& args) { @@ -49,20 +50,21 @@ void exit(const FunctionCallbackInfo& args) { v8::Isolate* isolate = args.GetIsolate(); v8::HandleScope scope(isolate); - args.GetReturnValue().Set(String::NewFromUtf8(isolate, "true")); + args.GetReturnValue().Set(v8::String::NewFromUtf8(isolate, "true", v8::NewStringType::kNormal).ToLocalChecked()); } void log(const FunctionCallbackInfo& args) { - int severity = args[0]->ToInteger()->Int32Value(); - v8::String::Utf8Value message(args[1]->ToString()); + v8::Isolate* isolate = args.GetIsolate(); + + int32_t severity = args[0]->ToInt32(Nan::GetCurrentContext()).ToLocalChecked()->Value(); + v8::String::Utf8Value message(isolate, args[1]->ToString(Nan::GetCurrentContext()).FromMaybe(v8::Local())); syslog(severity, "%s", *message ); - v8::Isolate* isolate = args.GetIsolate(); v8::HandleScope scope(isolate); - args.GetReturnValue().Set(String::NewFromUtf8(isolate, "true")); + args.GetReturnValue().Set(v8::String::NewFromUtf8(isolate, "true", v8::NewStringType::kNormal).ToLocalChecked()); } -void init(v8::Handle target) { +void init(v8::Local target) { NODE_SET_METHOD(target, "open", open); NODE_SET_METHOD(target, "exit", exit); NODE_SET_METHOD(target, "log", log); From b8931b5f4f37df4f357b2e6c86145e6f5a4e57a9 Mon Sep 17 00:00:00 2001 From: brian Date: Sun, 10 May 2020 18:30:30 -0700 Subject: [PATCH 2/2] Add Nan.h to the repo --- .gitignore | 1 - node_modules/nan/CHANGELOG.md | 533 +++ node_modules/nan/LICENSE.md | 13 + node_modules/nan/README.md | 455 +++ node_modules/nan/doc/asyncworker.md | 146 + node_modules/nan/doc/buffers.md | 54 + node_modules/nan/doc/callback.md | 76 + node_modules/nan/doc/converters.md | 41 + node_modules/nan/doc/errors.md | 226 ++ node_modules/nan/doc/json.md | 62 + node_modules/nan/doc/maybe_types.md | 583 ++++ node_modules/nan/doc/methods.md | 664 ++++ node_modules/nan/doc/new.md | 147 + node_modules/nan/doc/node_misc.md | 123 + node_modules/nan/doc/object_wrappers.md | 263 ++ node_modules/nan/doc/persistent.md | 296 ++ node_modules/nan/doc/scopes.md | 73 + node_modules/nan/doc/script.md | 38 + node_modules/nan/doc/string_bytes.md | 62 + node_modules/nan/doc/v8_internals.md | 199 ++ node_modules/nan/doc/v8_misc.md | 85 + node_modules/nan/include_dirs.js | 1 + node_modules/nan/nan.h | 2891 +++++++++++++++++ node_modules/nan/nan_callbacks.h | 88 + node_modules/nan/nan_callbacks_12_inl.h | 514 +++ node_modules/nan/nan_callbacks_pre_12_inl.h | 520 +++ node_modules/nan/nan_converters.h | 72 + node_modules/nan/nan_converters_43_inl.h | 68 + node_modules/nan/nan_converters_pre_43_inl.h | 42 + .../nan/nan_define_own_property_helper.h | 29 + node_modules/nan/nan_implementation_12_inl.h | 430 +++ .../nan/nan_implementation_pre_12_inl.h | 263 ++ node_modules/nan/nan_json.h | 166 + node_modules/nan/nan_maybe_43_inl.h | 356 ++ node_modules/nan/nan_maybe_pre_43_inl.h | 268 ++ node_modules/nan/nan_new.h | 340 ++ node_modules/nan/nan_object_wrap.h | 156 + node_modules/nan/nan_persistent_12_inl.h | 132 + node_modules/nan/nan_persistent_pre_12_inl.h | 242 ++ node_modules/nan/nan_private.h | 73 + node_modules/nan/nan_string_bytes.h | 305 ++ node_modules/nan/nan_typedarray_contents.h | 96 + node_modules/nan/nan_weak.h | 437 +++ node_modules/nan/package.json | 99 + node_modules/nan/tools/1to2.js | 412 +++ node_modules/nan/tools/README.md | 14 + node_modules/nan/tools/package.json | 19 + 47 files changed, 12172 insertions(+), 1 deletion(-) create mode 100644 node_modules/nan/CHANGELOG.md create mode 100644 node_modules/nan/LICENSE.md create mode 100644 node_modules/nan/README.md create mode 100644 node_modules/nan/doc/asyncworker.md create mode 100644 node_modules/nan/doc/buffers.md create mode 100644 node_modules/nan/doc/callback.md create mode 100644 node_modules/nan/doc/converters.md create mode 100644 node_modules/nan/doc/errors.md create mode 100644 node_modules/nan/doc/json.md create mode 100644 node_modules/nan/doc/maybe_types.md create mode 100644 node_modules/nan/doc/methods.md create mode 100644 node_modules/nan/doc/new.md create mode 100644 node_modules/nan/doc/node_misc.md create mode 100644 node_modules/nan/doc/object_wrappers.md create mode 100644 node_modules/nan/doc/persistent.md create mode 100644 node_modules/nan/doc/scopes.md create mode 100644 node_modules/nan/doc/script.md create mode 100644 node_modules/nan/doc/string_bytes.md create mode 100644 node_modules/nan/doc/v8_internals.md create mode 100644 node_modules/nan/doc/v8_misc.md create mode 100644 node_modules/nan/include_dirs.js create mode 100644 node_modules/nan/nan.h create mode 100644 node_modules/nan/nan_callbacks.h create mode 100644 node_modules/nan/nan_callbacks_12_inl.h create mode 100644 node_modules/nan/nan_callbacks_pre_12_inl.h create mode 100644 node_modules/nan/nan_converters.h create mode 100644 node_modules/nan/nan_converters_43_inl.h create mode 100644 node_modules/nan/nan_converters_pre_43_inl.h create mode 100644 node_modules/nan/nan_define_own_property_helper.h create mode 100644 node_modules/nan/nan_implementation_12_inl.h create mode 100644 node_modules/nan/nan_implementation_pre_12_inl.h create mode 100644 node_modules/nan/nan_json.h create mode 100644 node_modules/nan/nan_maybe_43_inl.h create mode 100644 node_modules/nan/nan_maybe_pre_43_inl.h create mode 100644 node_modules/nan/nan_new.h create mode 100644 node_modules/nan/nan_object_wrap.h create mode 100644 node_modules/nan/nan_persistent_12_inl.h create mode 100644 node_modules/nan/nan_persistent_pre_12_inl.h create mode 100644 node_modules/nan/nan_private.h create mode 100644 node_modules/nan/nan_string_bytes.h create mode 100644 node_modules/nan/nan_typedarray_contents.h create mode 100644 node_modules/nan/nan_weak.h create mode 100644 node_modules/nan/package.json create mode 100755 node_modules/nan/tools/1to2.js create mode 100644 node_modules/nan/tools/README.md create mode 100644 node_modules/nan/tools/package.json diff --git a/.gitignore b/.gitignore index 60535a8..21fe5e6 100644 --- a/.gitignore +++ b/.gitignore @@ -32,7 +32,6 @@ dwsync.xml .komodotools # Folders to ignore -node_modules .hg .svn publish diff --git a/node_modules/nan/CHANGELOG.md b/node_modules/nan/CHANGELOG.md new file mode 100644 index 0000000..44858c7 --- /dev/null +++ b/node_modules/nan/CHANGELOG.md @@ -0,0 +1,533 @@ +# NAN ChangeLog + +**Version 2.14.1: current Node 14.0.0, Node 0.12: 0.12.18, Node 0.10: 0.10.48, iojs: 3.3.1** + +### 2.14.1 Apr 21 2020 + + - Bugfix: use GetBackingStore() instead of GetContents() (#888) 2c023bd447661a61071da318b0ff4003c3858d39 + +### 2.14.0 May 16 2019 + + - Feature: Add missing methods to Nan::Maybe (#852) 4e962489fb84a184035b9fa74f245f650249aca6 + +### 2.13.2 Mar 24 2019 + + - Bugfix: remove usage of deprecated `IsNearDeath` (#842) fbaf42252af279c3d867c6b193571f9711c39847 + +### 2.13.1 Mar 14 2019 + + - Bugfix: check V8 version directly instead of inferring from NMV (#840) 12f9df9f393285de8fb4a8cd01478dc4fe3b089d + +### 2.13.0 Mar 13 2019 + + - Feature: add support for node master (#831) 113c0282072e7ff4f9dfc98b432fd894b798c2c + +### 2.12.1 Dec 18 2018 + + - Bugfix: Fix build breakage with Node.js 10.0.0-10.9.0. (#833) 625e90e8fef8d39ffa7247250a76a100b2487474 + +### 2.12.0 Dec 16 2018 + + - Bugfix: Add scope.Escape() to Call() (#817) 2e5ed4fc3a8ac80a6ef1f2a55099ab3ac8800dc6 + - Bugfix: Fix Node.js v10.12.0 deprecation warnings. 509859cc23b1770376b56550a027840a2ce0f73d + - Feature: Allow SetWeak() for non-object persistent handles. (#824) e6ef6a48e7e671fe3e4b7dddaa8912a3f8262ecd + +### 2.11.1 Sep 29 2018 + + - Fix: adapt to V8 7.0 24a22c3b25eeeec2016c6ec239bdd6169e985447 + +### 2.11.0 Aug 25 2018 + + - Removal: remove `FunctionCallbackInfo::Callee` for nodejs `>= 10` 1a56c0a6efd4fac944cb46c30912a8e023bda7d4 + - Bugfix: Fix `AsyncProgressWorkerBase::WorkProgress` sends invalid data b0c764d1dab11e9f8b37ffb81e2560a4498aad5e + - Feature: Introduce `GetCurrentEventLoop` b4911b0bb1f6d47d860e10ec014d941c51efac5e + - Feature: Add `NAN_MODULE_WORKER_ENABLED` macro as a replacement for `NAN_MODULE` b058fb047d18a58250e66ae831444441c1f2ac7a + +### 2.10.0 Mar 16 2018 + + - Deprecation: Deprecate `MakeCallback` 5e92b19a59e194241d6a658bd6ff7bfbda372950 + - Feature: add `Nan::Call` overload 4482e1242fe124d166fc1a5b2be3c1cc849fe452 + - Feature: add more `Nan::Call` overloads 8584e63e6d04c7d2eb8c4a664e4ef57d70bf672b + - Feature: Fix deprecation warnings for Node 10 1caf258243b0602ed56922bde74f1c91b0cbcb6a + +### 2.9.2 Feb 22 2018 + + - Bugfix: Bandaid for async hooks 212bd2f849be14ef1b02fc85010b053daa24252b + +### 2.9.1 Feb 22 2018 + + - Bugfix: Avoid deprecation warnings in deprecated `Nan::Callback::operator()` 372b14d91289df4604b0f81780709708c45a9aa4 + - Bugfix: Avoid deprecation warnings in `Nan::JSON` 3bc294bce0b7d0a3ee4559926303e5ed4866fda2 + +### 2.9.0 Feb 22 2018 + + - Deprecation: Deprecate legacy `Callback::Call` 6dd5fa690af61ca3523004b433304c581b3ea309 + - Feature: introduce `AsyncResource` class 90c0a179c0d8cb5fd26f1a7d2b1d6231eb402d48o + - Feature: Add context aware `Nan::Callback::Call` functions 7169e09fb088418b6e388222e88b4c13f07ebaee + - Feature: Make `AsyncWorker` context aware 066ba21a6fb9e2b5230c9ed3a6fc51f1211736a4 + - Feature: add `Callback` overload to `Nan::Call` 5328daf66e202658c1dc0d916c3aaba99b3cc606 + - Bugfix: fix warning: suggest parentheses around `&&` within `||` b2bb63d68b8ae623a526b542764e1ac82319cb2c + - Bugfix: Fix compilation on io.js 3 d06114dba0a522fb436f0c5f47b994210968cd7b + +### 2.8.0 Nov 15 2017 + + - Deprecation: Deprecate `Nan::ForceSet` in favor of `Nan::DefineOwnProperty()` 95cbb976d6fbbba88ba0f86dd188223a8591b4e7 + - Feature: Add `Nan::AsyncProgressQueueWorker` a976636ecc2ef617d1b061ce4a6edf39923691cb + - Feature: Add `Nan::DefineOwnProperty()` 95cbb976d6fbbba88ba0f86dd188223a8591b4e7 + - Bugfix: Fix compiling on io.js 1 & 2 82705a64503ce60c62e98df5bd02972bba090900 + - Bugfix: Use DefineOwnProperty instead of ForceSet 95cbb976d6fbbba88ba0f86dd188223a8591b4e7 + +### 2.7.0 Aug 30 2017 + + - Feature: Add `Nan::To()` overload. b93280670c9f6da42ed4cf6cbf085ffdd87bd65b + - Bugfix: Fix ternary in `Nan::MaybeLocal::FromMaybe()`. 79a26f7d362e756a9524e672a82c3d603b542867 + +### 2.6.2 Apr 12 2017 + + - Bugfix: Fix v8::JSON::Parse() deprecation warning. 87f6a3c65815fa062296a994cc863e2fa124867d + +### 2.6.1 Apr 6 2017 + + - Bugfix: nan_json.h: fix build breakage in Node 6 ac8d47dc3c10bfbf3f15a6b951633120c0ee6d51 + +### 2.6.0 Apr 6 2017 + + - Feature: nan: add support for JSON::Parse & Stringify b533226c629cce70e1932a873bb6f849044a56c5 + +### 2.5.1 Jan 23 2017 + + - Bugfix: Fix disappearing handle for private value 6a80995694f162ef63dbc9948fbefd45d4485aa0 + - Bugfix: Add missing scopes a93b8bae6bc7d32a170db6e89228b7f60ee57112 + - Bugfix: Use string::data instead of string::front in NewOneByteString d5f920371e67e1f3b268295daee6e83af86b6e50 + +### 2.5.0 Dec 21 2016 + + - Feature: Support Private accessors a86255cb357e8ad8ccbf1f6a4a901c921e39a178 + - Bugfix: Abort in delete operators that shouldn't be called 0fe38215ff8581703967dfd26c12793feb960018 + +### 2.4.0 Jul 10 2016 + + - Feature: Rewrite Callback to add Callback::Reset c4cf44d61f8275cd5f7b0c911d7a806d4004f649 + - Feature: AsyncProgressWorker: add template types for .send 1242c9a11a7ed481c8f08ec06316385cacc513d0 + - Bugfix: Add constness to old Persistent comparison operators bd43cb9982c7639605d60fd073efe8cae165d9b2 + +### 2.3.5 May 31 2016 + + - Bugfix: Replace NAN_INLINE with 'inline' keyword. 71819d8725f822990f439479c9aba3b240804909 + +### 2.3.4 May 31 2016 + + - Bugfix: Remove V8 deprecation warnings 0592fb0a47f3a1c7763087ebea8e1138829f24f9 + - Bugfix: Fix new versions not to use WeakCallbackInfo::IsFirstPass 615c19d9e03d4be2049c10db0151edbc3b229246 + - Bugfix: Make ObjectWrap::handle() const d19af99595587fe7a26bd850af6595c2a7145afc + - Bugfix: Fix compilation errors related to 0592fb0a47f3a1c7763087ebea8e1138829f24f9 e9191c525b94f652718325e28610a1adcf90fed8 + +### 2.3.3 May 4 2016 + + - Bugfix: Refactor SetMethod() to deal with v8::Templates (#566) b9083cf6d5de6ebe6bcb49c7502fbb7c0d9ddda8 + +### 2.3.2 Apr 27 2016 + + - Bugfix: Fix compilation on outdated versions due to Handle removal f8b7c875d04d425a41dfd4f3f8345bc3a11e6c52 + +### 2.3.1 Apr 27 2016 + + - Bugfix: Don't use deprecated v8::Template::Set() in SetMethod a90951e9ea70fa1b3836af4b925322919159100e + +### 2.3.0 Apr 27 2016 + + - Feature: added Signal() for invoking async callbacks without sending data from AsyncProgressWorker d8adba45f20e077d00561b20199133620c990b38 + - Bugfix: Don't use deprecated v8::Template::Set() 00dacf0a4b86027415867fa7f1059acc499dcece + +### 2.2.1 Mar 29 2016 + + - Bugfix: Use NewFromUnsigned in ReturnValue::Set(uint32_t i) for pre_12 3a18f9bdce29826e0e4c217854bc476918241a58 + - Performance: Remove unneeeded nullptr checks b715ef44887931c94f0d1605b3b1a4156eebece9 + +### 2.2.0 Jan 9 2016 + + - Feature: Add Function::Call wrapper 4c157474dacf284d125c324177b45aa5dabc08c6 + - Feature: Rename GC*logueCallback to GCCallback for > 4.0 3603435109f981606d300eb88004ca101283acec + - Bugfix: Fix Global::Pass for old versions 367e82a60fbaa52716232cc89db1cc3f685d77d9 + - Bugfix: Remove weird MaybeLocal wrapping of what already is a MaybeLocal 23b4590db10c2ba66aee2338aebe9751c4cb190b + +### 2.1.0 Oct 8 2015 + + - Deprecation: Deprecate NanErrnoException in favor of ErrnoException 0af1ca4cf8b3f0f65ed31bc63a663ab3319da55c + - Feature: added helper class for accessing contents of typedarrays 17b51294c801e534479d5463697a73462d0ca555 + - Feature: [Maybe types] Add MakeMaybe(...) 48d7b53d9702b0c7a060e69ea10fea8fb48d814d + - Feature: new: allow utf16 string with length 66ac6e65c8ab9394ef588adfc59131b3b9d8347b + - Feature: Introduce SetCallHandler and SetCallAsFunctionHandler 7764a9a115d60ba10dc24d86feb0fbc9b4f75537 + - Bugfix: Enable creating Locals from Globals under Node 0.10. 9bf9b8b190821af889790fdc18ace57257e4f9ff + - Bugfix: Fix issue #462 where PropertyCallbackInfo data is not stored safely. 55f50adedd543098526c7b9f4fffd607d3f9861f + +### 2.0.9 Sep 8 2015 + + - Bugfix: EscapableHandleScope in Nan::NewBuffer for Node 0.8 and 0.10 b1654d7 + +### 2.0.8 Aug 28 2015 + + - Work around duplicate linking bug in clang 11902da + +### 2.0.7 Aug 26 2015 + + - Build: Repackage + +### 2.0.6 Aug 26 2015 + + - Bugfix: Properly handle null callback in FunctionTemplate factory 6e99cb1 + - Bugfix: Remove unused static std::map instances 525bddc + - Bugfix: Make better use of maybe versions of APIs bfba85b + - Bugfix: Fix shadowing issues with handle in ObjectWrap 0a9072d + +### 2.0.5 Aug 10 2015 + + - Bugfix: Reimplement weak callback in ObjectWrap 98d38c1 + - Bugfix: Make sure callback classes are not assignable, copyable or movable 81f9b1d + +### 2.0.4 Aug 6 2015 + + - Build: Repackage + +### 2.0.3 Aug 6 2015 + + - Bugfix: Don't use clang++ / g++ syntax extension. 231450e + +### 2.0.2 Aug 6 2015 + + - Build: Repackage + +### 2.0.1 Aug 6 2015 + + - Bugfix: Add workaround for missing REPLACE_INVALID_UTF8 60d6687 + - Bugfix: Reimplement ObjectWrap from scratch to prevent memory leaks 6484601 + - Bugfix: Fix Persistent leak in FunctionCallbackInfo and PropertyCallbackInfo 641ef5f + - Bugfix: Add missing overload for Nan::NewInstance that takes argc/argv 29450ed + +### 2.0.0 Jul 31 2015 + + - Change: Renamed identifiers with leading underscores b5932b4 + - Change: Replaced NanObjectWrapHandle with class NanObjectWrap 464f1e1 + - Change: Replace NanScope and NanEscpableScope macros with classes 47751c4 + - Change: Rename NanNewBufferHandle to NanNewBuffer 6745f99 + - Change: Rename NanBufferUse to NanNewBuffer 3e8b0a5 + - Change: Rename NanNewBuffer to NanCopyBuffer d6af78d + - Change: Remove Nan prefix from all names 72d1f67 + - Change: Update Buffer API for new upstream changes d5d3291 + - Change: Rename Scope and EscapableScope to HandleScope and EscapableHandleScope 21a7a6a + - Change: Get rid of Handles e6c0daf + - Feature: Support io.js 3 with V8 4.4 + - Feature: Introduce NanPersistent 7fed696 + - Feature: Introduce NanGlobal 4408da1 + - Feature: Added NanTryCatch 10f1ca4 + - Feature: Update for V8 v4.3 4b6404a + - Feature: Introduce NanNewOneByteString c543d32 + - Feature: Introduce namespace Nan 67ed1b1 + - Removal: Remove NanLocker and NanUnlocker dd6e401 + - Removal: Remove string converters, except NanUtf8String, which now follows the node implementation b5d00a9 + - Removal: Remove NanReturn* macros d90a25c + - Removal: Remove HasInstance e8f84fe + + +### 1.9.0 Jul 31 2015 + + - Feature: Added `NanFatalException` 81d4a2c + - Feature: Added more error types 4265f06 + - Feature: Added dereference and function call operators to NanCallback c4b2ed0 + - Feature: Added indexed GetFromPersistent and SaveToPersistent edd510c + - Feature: Added more overloads of SaveToPersistent and GetFromPersistent 8b1cef6 + - Feature: Added NanErrnoException dd87d9e + - Correctness: Prevent assign, copy, and move for classes that do not support it 1f55c59, 4b808cb, c96d9b2, fba4a29, 3357130 + - Deprecation: Deprecate `NanGetPointerSafe` and `NanSetPointerSafe` 81d4a2c + - Deprecation: Deprecate `NanBooleanOptionValue` and `NanUInt32OptionValue` 0ad254b + +### 1.8.4 Apr 26 2015 + + - Build: Repackage + +### 1.8.3 Apr 26 2015 + + - Bugfix: Include missing header 1af8648 + +### 1.8.2 Apr 23 2015 + + - Build: Repackage + +### 1.8.1 Apr 23 2015 + + - Bugfix: NanObjectWrapHandle should take a pointer 155f1d3 + +### 1.8.0 Apr 23 2015 + + - Feature: Allow primitives with NanReturnValue 2e4475e + - Feature: Added comparison operators to NanCallback 55b075e + - Feature: Backport thread local storage 15bb7fa + - Removal: Remove support for signatures with arguments 8a2069d + - Correcteness: Replaced NanObjectWrapHandle macro with function 0bc6d59 + +### 1.7.0 Feb 28 2015 + + - Feature: Made NanCallback::Call accept optional target 8d54da7 + - Feature: Support atom-shell 0.21 0b7f1bb + +### 1.6.2 Feb 6 2015 + + - Bugfix: NanEncode: fix argument type for node::Encode on io.js 2be8639 + +### 1.6.1 Jan 23 2015 + + - Build: version bump + +### 1.5.3 Jan 23 2015 + + - Build: repackage + +### 1.6.0 Jan 23 2015 + + - Deprecated `NanNewContextHandle` in favor of `NanNew` 49259af + - Support utility functions moved in newer v8 versions (Node 0.11.15, io.js 1.0) a0aa179 + - Added `NanEncode`, `NanDecodeBytes` and `NanDecodeWrite` 75e6fb9 + +### 1.5.2 Jan 23 2015 + + - Bugfix: Fix non-inline definition build error with clang++ 21d96a1, 60fadd4 + - Bugfix: Readded missing String constructors 18d828f + - Bugfix: Add overload handling NanNew(..) 5ef813b + - Bugfix: Fix uv_work_cb versioning 997e4ae + - Bugfix: Add function factory and test 4eca89c + - Bugfix: Add object template factory and test cdcb951 + - Correctness: Lifted an io.js related typedef c9490be + - Correctness: Make explicit downcasts of String lengths 00074e6 + - Windows: Limit the scope of disabled warning C4530 83d7deb + +### 1.5.1 Jan 15 2015 + + - Build: version bump + +### 1.4.3 Jan 15 2015 + + - Build: version bump + +### 1.4.2 Jan 15 2015 + + - Feature: Support io.js 0dbc5e8 + +### 1.5.0 Jan 14 2015 + + - Feature: Support io.js b003843 + - Correctness: Improved NanNew internals 9cd4f6a + - Feature: Implement progress to NanAsyncWorker 8d6a160 + +### 1.4.1 Nov 8 2014 + + - Bugfix: Handle DEBUG definition correctly + - Bugfix: Accept int as Boolean + +### 1.4.0 Nov 1 2014 + + - Feature: Added NAN_GC_CALLBACK 6a5c245 + - Performance: Removed unnecessary local handle creation 18a7243, 41fe2f8 + - Correctness: Added constness to references in NanHasInstance 02c61cd + - Warnings: Fixed spurious warnings from -Wundef and -Wshadow, 541b122, 99d8cb6 + - Windoze: Shut Visual Studio up when compiling 8d558c1 + - License: Switch to plain MIT from custom hacked MIT license 11de983 + - Build: Added test target to Makefile e232e46 + - Performance: Removed superfluous scope in NanAsyncWorker f4b7821 + - Sugar/Feature: Added NanReturnThis() and NanReturnHolder() shorthands 237a5ff, d697208 + - Feature: Added suitable overload of NanNew for v8::Integer::NewFromUnsigned b27b450 + +### 1.3.0 Aug 2 2014 + + - Added NanNew(std::string) + - Added NanNew(std::string&) + - Added NanAsciiString helper class + - Added NanUtf8String helper class + - Added NanUcs2String helper class + - Deprecated NanRawString() + - Deprecated NanCString() + - Added NanGetIsolateData(v8::Isolate *isolate) + - Added NanMakeCallback(v8::Handle target, v8::Handle func, int argc, v8::Handle* argv) + - Added NanMakeCallback(v8::Handle target, v8::Handle symbol, int argc, v8::Handle* argv) + - Added NanMakeCallback(v8::Handle target, const char* method, int argc, v8::Handle* argv) + - Added NanSetTemplate(v8::Handle templ, v8::Handle name , v8::Handle value, v8::PropertyAttribute attributes) + - Added NanSetPrototypeTemplate(v8::Local templ, v8::Handle name, v8::Handle value, v8::PropertyAttribute attributes) + - Added NanSetInstanceTemplate(v8::Local templ, const char *name, v8::Handle value) + - Added NanSetInstanceTemplate(v8::Local templ, v8::Handle name, v8::Handle value, v8::PropertyAttribute attributes) + +### 1.2.0 Jun 5 2014 + + - Add NanSetPrototypeTemplate + - Changed NAN_WEAK_CALLBACK internals, switched _NanWeakCallbackData to class, + introduced _NanWeakCallbackDispatcher + - Removed -Wno-unused-local-typedefs from test builds + - Made test builds Windows compatible ('Sleep()') + +### 1.1.2 May 28 2014 + + - Release to fix more stuff-ups in 1.1.1 + +### 1.1.1 May 28 2014 + + - Release to fix version mismatch in nan.h and lack of changelog entry for 1.1.0 + +### 1.1.0 May 25 2014 + + - Remove nan_isolate, use v8::Isolate::GetCurrent() internally instead + - Additional explicit overloads for NanNew(): (char*,int), (uint8_t*[,int]), + (uint16_t*[,int), double, int, unsigned int, bool, v8::String::ExternalStringResource*, + v8::String::ExternalAsciiStringResource* + - Deprecate NanSymbol() + - Added SetErrorMessage() and ErrorMessage() to NanAsyncWorker + +### 1.0.0 May 4 2014 + + - Heavy API changes for V8 3.25 / Node 0.11.13 + - Use cpplint.py + - Removed NanInitPersistent + - Removed NanPersistentToLocal + - Removed NanFromV8String + - Removed NanMakeWeak + - Removed NanNewLocal + - Removed NAN_WEAK_CALLBACK_OBJECT + - Removed NAN_WEAK_CALLBACK_DATA + - Introduce NanNew, replaces NanNewLocal, NanPersistentToLocal, adds many overloaded typed versions + - Introduce NanUndefined, NanNull, NanTrue and NanFalse + - Introduce NanEscapableScope and NanEscapeScope + - Introduce NanMakeWeakPersistent (requires a special callback to work on both old and new node) + - Introduce NanMakeCallback for node::MakeCallback + - Introduce NanSetTemplate + - Introduce NanGetCurrentContext + - Introduce NanCompileScript and NanRunScript + - Introduce NanAdjustExternalMemory + - Introduce NanAddGCEpilogueCallback, NanAddGCPrologueCallback, NanRemoveGCEpilogueCallback, NanRemoveGCPrologueCallback + - Introduce NanGetHeapStatistics + - Rename NanAsyncWorker#SavePersistent() to SaveToPersistent() + +### 0.8.0 Jan 9 2014 + + - NanDispose -> NanDisposePersistent, deprecate NanDispose + - Extract _NAN_*_RETURN_TYPE, pull up NAN_*() + +### 0.7.1 Jan 9 2014 + + - Fixes to work against debug builds of Node + - Safer NanPersistentToLocal (avoid reinterpret_cast) + - Speed up common NanRawString case by only extracting flattened string when necessary + +### 0.7.0 Dec 17 2013 + + - New no-arg form of NanCallback() constructor. + - NanCallback#Call takes Handle rather than Local + - Removed deprecated NanCallback#Run method, use NanCallback#Call instead + - Split off _NAN_*_ARGS_TYPE from _NAN_*_ARGS + - Restore (unofficial) Node 0.6 compatibility at NanCallback#Call() + - Introduce NanRawString() for char* (or appropriate void*) from v8::String + (replacement for NanFromV8String) + - Introduce NanCString() for null-terminated char* from v8::String + +### 0.6.0 Nov 21 2013 + + - Introduce NanNewLocal(v8::Handle value) for use in place of + v8::Local::New(...) since v8 started requiring isolate in Node 0.11.9 + +### 0.5.2 Nov 16 2013 + + - Convert SavePersistent and GetFromPersistent in NanAsyncWorker from protected and public + +### 0.5.1 Nov 12 2013 + + - Use node::MakeCallback() instead of direct v8::Function::Call() + +### 0.5.0 Nov 11 2013 + + - Added @TooTallNate as collaborator + - New, much simpler, "include_dirs" for binding.gyp + - Added full range of NAN_INDEX_* macros to match NAN_PROPERTY_* macros + +### 0.4.4 Nov 2 2013 + + - Isolate argument from v8::Persistent::MakeWeak removed for 0.11.8+ + +### 0.4.3 Nov 2 2013 + + - Include node_object_wrap.h, removed from node.h for Node 0.11.8. + +### 0.4.2 Nov 2 2013 + + - Handle deprecation of v8::Persistent::Dispose(v8::Isolate* isolate)) for + Node 0.11.8 release. + +### 0.4.1 Sep 16 2013 + + - Added explicit `#include ` as it was removed from node.h for v0.11.8 + +### 0.4.0 Sep 2 2013 + + - Added NAN_INLINE and NAN_DEPRECATED and made use of them + - Added NanError, NanTypeError and NanRangeError + - Cleaned up code + +### 0.3.2 Aug 30 2013 + + - Fix missing scope declaration in GetFromPersistent() and SaveToPersistent + in NanAsyncWorker + +### 0.3.1 Aug 20 2013 + + - fix "not all control paths return a value" compile warning on some platforms + +### 0.3.0 Aug 19 2013 + + - Made NAN work with NPM + - Lots of fixes to NanFromV8String, pulling in features from new Node core + - Changed node::encoding to Nan::Encoding in NanFromV8String to unify the API + - Added optional error number argument for NanThrowError() + - Added NanInitPersistent() + - Added NanReturnNull() and NanReturnEmptyString() + - Added NanLocker and NanUnlocker + - Added missing scopes + - Made sure to clear disposed Persistent handles + - Changed NanAsyncWorker to allocate error messages on the heap + - Changed NanThrowError(Local) to NanThrowError(Handle) + - Fixed leak in NanAsyncWorker when errmsg is used + +### 0.2.2 Aug 5 2013 + + - Fixed usage of undefined variable with node::BASE64 in NanFromV8String() + +### 0.2.1 Aug 5 2013 + + - Fixed 0.8 breakage, node::BUFFER encoding type not available in 0.8 for + NanFromV8String() + +### 0.2.0 Aug 5 2013 + + - Added NAN_PROPERTY_GETTER, NAN_PROPERTY_SETTER, NAN_PROPERTY_ENUMERATOR, + NAN_PROPERTY_DELETER, NAN_PROPERTY_QUERY + - Extracted _NAN_METHOD_ARGS, _NAN_GETTER_ARGS, _NAN_SETTER_ARGS, + _NAN_PROPERTY_GETTER_ARGS, _NAN_PROPERTY_SETTER_ARGS, + _NAN_PROPERTY_ENUMERATOR_ARGS, _NAN_PROPERTY_DELETER_ARGS, + _NAN_PROPERTY_QUERY_ARGS + - Added NanGetInternalFieldPointer, NanSetInternalFieldPointer + - Added NAN_WEAK_CALLBACK, NAN_WEAK_CALLBACK_OBJECT, + NAN_WEAK_CALLBACK_DATA, NanMakeWeak + - Renamed THROW_ERROR to _NAN_THROW_ERROR + - Added NanNewBufferHandle(char*, size_t, node::smalloc::FreeCallback, void*) + - Added NanBufferUse(char*, uint32_t) + - Added NanNewContextHandle(v8::ExtensionConfiguration*, + v8::Handle, v8::Handle) + - Fixed broken NanCallback#GetFunction() + - Added optional encoding and size arguments to NanFromV8String() + - Added NanGetPointerSafe() and NanSetPointerSafe() + - Added initial test suite (to be expanded) + - Allow NanUInt32OptionValue to convert any Number object + +### 0.1.0 Jul 21 2013 + + - Added `NAN_GETTER`, `NAN_SETTER` + - Added `NanThrowError` with single Local argument + - Added `NanNewBufferHandle` with single uint32_t argument + - Added `NanHasInstance(Persistent&, Handle)` + - Added `Local NanCallback#GetFunction()` + - Added `NanCallback#Call(int, Local[])` + - Deprecated `NanCallback#Run(int, Local[])` in favour of Call diff --git a/node_modules/nan/LICENSE.md b/node_modules/nan/LICENSE.md new file mode 100644 index 0000000..dddd13d --- /dev/null +++ b/node_modules/nan/LICENSE.md @@ -0,0 +1,13 @@ +The MIT License (MIT) +===================== + +Copyright (c) 2018 NAN contributors +----------------------------------- + +*NAN contributors listed at * + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. diff --git a/node_modules/nan/README.md b/node_modules/nan/README.md new file mode 100644 index 0000000..9b5f38a --- /dev/null +++ b/node_modules/nan/README.md @@ -0,0 +1,455 @@ +Native Abstractions for Node.js +=============================== + +**A header file filled with macro and utility goodness for making add-on development for Node.js easier across versions 0.8, 0.10, 0.12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and 14.** + +***Current version: 2.14.1*** + +*(See [CHANGELOG.md](https://github.com/nodejs/nan/blob/master/CHANGELOG.md) for complete ChangeLog)* + +[![NPM](https://nodei.co/npm/nan.png?downloads=true&downloadRank=true)](https://nodei.co/npm/nan/) [![NPM](https://nodei.co/npm-dl/nan.png?months=6&height=3)](https://nodei.co/npm/nan/) + +[![Build Status](https://api.travis-ci.org/nodejs/nan.svg?branch=master)](https://travis-ci.org/nodejs/nan) +[![Build status](https://ci.appveyor.com/api/projects/status/kh73pbm9dsju7fgh)](https://ci.appveyor.com/project/RodVagg/nan) + +Thanks to the crazy changes in V8 (and some in Node core), keeping native addons compiling happily across versions, particularly 0.10 to 0.12 to 4.0, is a minor nightmare. The goal of this project is to store all logic necessary to develop native Node.js addons without having to inspect `NODE_MODULE_VERSION` and get yourself into a macro-tangle. + +This project also contains some helper utilities that make addon development a bit more pleasant. + + * **[News & Updates](#news)** + * **[Usage](#usage)** + * **[Example](#example)** + * **[API](#api)** + * **[Tests](#tests)** + * **[Known issues](#issues)** + * **[Governance & Contributing](#governance)** + + + +## News & Updates + + + +## Usage + +Simply add **NAN** as a dependency in the *package.json* of your Node addon: + +``` bash +$ npm install --save nan +``` + +Pull in the path to **NAN** in your *binding.gyp* so that you can use `#include ` in your *.cpp* files: + +``` python +"include_dirs" : [ + "` when compiling your addon. + + + +## Example + +Just getting started with Nan? Take a look at the **[Node Add-on Examples](https://github.com/nodejs/node-addon-examples)**. + +Refer to a [quick-start **Nan** Boilerplate](https://github.com/fcanas/node-native-boilerplate) for a ready-to-go project that utilizes basic Nan functionality. + +For a simpler example, see the **[async pi estimation example](https://github.com/nodejs/nan/tree/master/examples/async_pi_estimate)** in the examples directory for full code and an explanation of what this Monte Carlo Pi estimation example does. Below are just some parts of the full example that illustrate the use of **NAN**. + +Yet another example is **[nan-example-eol](https://github.com/CodeCharmLtd/nan-example-eol)**. It shows newline detection implemented as a native addon. + +Also take a look at our comprehensive **[C++ test suite](https://github.com/nodejs/nan/tree/master/test/cpp)** which has a plethora of code snippets for your pasting pleasure. + + + +## API + +Additional to the NAN documentation below, please consult: + +* [The V8 Getting Started * Guide](https://v8.dev/docs/embed) +* [V8 API Documentation](https://v8docs.nodesource.com/) +* [Node Add-on Documentation](https://nodejs.org/api/addons.html) + + + +### JavaScript-accessible methods + +A _template_ is a blueprint for JavaScript functions and objects in a context. You can use a template to wrap C++ functions and data structures within JavaScript objects so that they can be manipulated from JavaScript. See the V8 Embedders Guide section on [Templates](https://github.com/v8/v8/wiki/Embedder%27s-Guide#templates) for further information. + +In order to expose functionality to JavaScript via a template, you must provide it to V8 in a form that it understands. Across the versions of V8 supported by NAN, JavaScript-accessible method signatures vary widely, NAN fully abstracts method declaration and provides you with an interface that is similar to the most recent V8 API but is backward-compatible with older versions that still use the now-deceased `v8::Argument` type. + +* **Method argument types** + - Nan::FunctionCallbackInfo + - Nan::PropertyCallbackInfo + - Nan::ReturnValue +* **Method declarations** + - Method declaration + - Getter declaration + - Setter declaration + - Property getter declaration + - Property setter declaration + - Property enumerator declaration + - Property deleter declaration + - Property query declaration + - Index getter declaration + - Index setter declaration + - Index enumerator declaration + - Index deleter declaration + - Index query declaration +* Method and template helpers + - Nan::SetMethod() + - Nan::SetPrototypeMethod() + - Nan::SetAccessor() + - Nan::SetNamedPropertyHandler() + - Nan::SetIndexedPropertyHandler() + - Nan::SetTemplate() + - Nan::SetPrototypeTemplate() + - Nan::SetInstanceTemplate() + - Nan::SetCallHandler() + - Nan::SetCallAsFunctionHandler() + +### Scopes + +A _local handle_ is a pointer to an object. All V8 objects are accessed using handles, they are necessary because of the way the V8 garbage collector works. + +A handle scope can be thought of as a container for any number of handles. When you've finished with your handles, instead of deleting each one individually you can simply delete their scope. + +The creation of `HandleScope` objects is different across the supported versions of V8. Therefore, NAN provides its own implementations that can be used safely across these. + + - Nan::HandleScope + - Nan::EscapableHandleScope + +Also see the V8 Embedders Guide section on [Handles and Garbage Collection](https://github.com/v8/v8/wiki/Embedder%27s%20Guide#handles-and-garbage-collection). + +### Persistent references + +An object reference that is independent of any `HandleScope` is a _persistent_ reference. Where a `Local` handle only lives as long as the `HandleScope` in which it was allocated, a `Persistent` handle remains valid until it is explicitly disposed. + +Due to the evolution of the V8 API, it is necessary for NAN to provide a wrapper implementation of the `Persistent` classes to supply compatibility across the V8 versions supported. + + - Nan::PersistentBase & v8::PersistentBase + - Nan::NonCopyablePersistentTraits & v8::NonCopyablePersistentTraits + - Nan::CopyablePersistentTraits & v8::CopyablePersistentTraits + - Nan::Persistent + - Nan::Global + - Nan::WeakCallbackInfo + - Nan::WeakCallbackType + +Also see the V8 Embedders Guide section on [Handles and Garbage Collection](https://developers.google.com/v8/embed#handles). + +### New + +NAN provides a `Nan::New()` helper for the creation of new JavaScript objects in a way that's compatible across the supported versions of V8. + + - Nan::New() + - Nan::Undefined() + - Nan::Null() + - Nan::True() + - Nan::False() + - Nan::EmptyString() + + +### Converters + +NAN contains functions that convert `v8::Value`s to other `v8::Value` types and native types. Since type conversion is not guaranteed to succeed, they return `Nan::Maybe` types. These converters can be used in place of `value->ToX()` and `value->XValue()` (where `X` is one of the types, e.g. `Boolean`) in a way that provides a consistent interface across V8 versions. Newer versions of V8 use the new `v8::Maybe` and `v8::MaybeLocal` types for these conversions, older versions don't have this functionality so it is provided by NAN. + + - Nan::To() + +### Maybe Types + +The `Nan::MaybeLocal` and `Nan::Maybe` types are monads that encapsulate `v8::Local` handles that _may be empty_. + +* **Maybe Types** + - Nan::MaybeLocal + - Nan::Maybe + - Nan::Nothing + - Nan::Just +* **Maybe Helpers** + - Nan::Call() + - Nan::ToDetailString() + - Nan::ToArrayIndex() + - Nan::Equals() + - Nan::NewInstance() + - Nan::GetFunction() + - Nan::Set() + - Nan::DefineOwnProperty() + - Nan::ForceSet() + - Nan::Get() + - Nan::GetPropertyAttributes() + - Nan::Has() + - Nan::Delete() + - Nan::GetPropertyNames() + - Nan::GetOwnPropertyNames() + - Nan::SetPrototype() + - Nan::ObjectProtoToString() + - Nan::HasOwnProperty() + - Nan::HasRealNamedProperty() + - Nan::HasRealIndexedProperty() + - Nan::HasRealNamedCallbackProperty() + - Nan::GetRealNamedPropertyInPrototypeChain() + - Nan::GetRealNamedProperty() + - Nan::CallAsFunction() + - Nan::CallAsConstructor() + - Nan::GetSourceLine() + - Nan::GetLineNumber() + - Nan::GetStartColumn() + - Nan::GetEndColumn() + - Nan::CloneElementAt() + - Nan::HasPrivate() + - Nan::GetPrivate() + - Nan::SetPrivate() + - Nan::DeletePrivate() + - Nan::MakeMaybe() + +### Script + +NAN provides a `v8::Script` helpers as the API has changed over the supported versions of V8. + + - Nan::CompileScript() + - Nan::RunScript() + + +### JSON + +The _JSON_ object provides the c++ versions of the methods offered by the `JSON` object in javascript. V8 exposes these methods via the `v8::JSON` object. + + - Nan::JSON.Parse + - Nan::JSON.Stringify + +Refer to the V8 JSON object in the [V8 documentation](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html) for more information about these methods and their arguments. + +### Errors + +NAN includes helpers for creating, throwing and catching Errors as much of this functionality varies across the supported versions of V8 and must be abstracted. + +Note that an Error object is simply a specialized form of `v8::Value`. + +Also consult the V8 Embedders Guide section on [Exceptions](https://developers.google.com/v8/embed#exceptions) for more information. + + - Nan::Error() + - Nan::RangeError() + - Nan::ReferenceError() + - Nan::SyntaxError() + - Nan::TypeError() + - Nan::ThrowError() + - Nan::ThrowRangeError() + - Nan::ThrowReferenceError() + - Nan::ThrowSyntaxError() + - Nan::ThrowTypeError() + - Nan::FatalException() + - Nan::ErrnoException() + - Nan::TryCatch + + +### Buffers + +NAN's `node::Buffer` helpers exist as the API has changed across supported Node versions. Use these methods to ensure compatibility. + + - Nan::NewBuffer() + - Nan::CopyBuffer() + - Nan::FreeCallback() + +### Nan::Callback + +`Nan::Callback` makes it easier to use `v8::Function` handles as callbacks. A class that wraps a `v8::Function` handle, protecting it from garbage collection and making it particularly useful for storage and use across asynchronous execution. + + - Nan::Callback + +### Asynchronous work helpers + +`Nan::AsyncWorker`, `Nan::AsyncProgressWorker` and `Nan::AsyncProgressQueueWorker` are helper classes that make working with asynchronous code easier. + + - Nan::AsyncWorker + - Nan::AsyncProgressWorkerBase & Nan::AsyncProgressWorker + - Nan::AsyncProgressQueueWorker + - Nan::AsyncQueueWorker + +### Strings & Bytes + +Miscellaneous string & byte encoding and decoding functionality provided for compatibility across supported versions of V8 and Node. Implemented by NAN to ensure that all encoding types are supported, even for older versions of Node where they are missing. + + - Nan::Encoding + - Nan::Encode() + - Nan::DecodeBytes() + - Nan::DecodeWrite() + + +### Object Wrappers + +The `ObjectWrap` class can be used to make wrapped C++ objects and a factory of wrapped objects. + + - Nan::ObjectWrap + + +### V8 internals + +The hooks to access V8 internals—including GC and statistics—are different across the supported versions of V8, therefore NAN provides its own hooks that call the appropriate V8 methods. + + - NAN_GC_CALLBACK() + - Nan::AddGCEpilogueCallback() + - Nan::RemoveGCEpilogueCallback() + - Nan::AddGCPrologueCallback() + - Nan::RemoveGCPrologueCallback() + - Nan::GetHeapStatistics() + - Nan::SetCounterFunction() + - Nan::SetCreateHistogramFunction() + - Nan::SetAddHistogramSampleFunction() + - Nan::IdleNotification() + - Nan::LowMemoryNotification() + - Nan::ContextDisposedNotification() + - Nan::GetInternalFieldPointer() + - Nan::SetInternalFieldPointer() + - Nan::AdjustExternalMemory() + + +### Miscellaneous V8 Helpers + + - Nan::Utf8String + - Nan::GetCurrentContext() + - Nan::SetIsolateData() + - Nan::GetIsolateData() + - Nan::TypedArrayContents + + +### Miscellaneous Node Helpers + + - Nan::AsyncResource + - Nan::MakeCallback() + - NAN_MODULE_INIT() + - Nan::Export() + + + + + + +### Tests + +To run the NAN tests do: + +``` sh +npm install +npm run-script rebuild-tests +npm test +``` + +Or just: + +``` sh +npm install +make test +``` + + + +## Known issues + +### Compiling against Node.js 0.12 on OSX + +With new enough compilers available on OSX, the versions of V8 headers corresponding to Node.js 0.12 +do not compile anymore. The error looks something like: + +``` +❯ CXX(target) Release/obj.target/accessors/cpp/accessors.o +In file included from ../cpp/accessors.cpp:9: +In file included from ../../nan.h:51: +In file included from /Users/ofrobots/.node-gyp/0.12.18/include/node/node.h:61: +/Users/ofrobots/.node-gyp/0.12.18/include/node/v8.h:5800:54: error: 'CreateHandle' is a protected member of 'v8::HandleScope' + return Handle(reinterpret_cast(HandleScope::CreateHandle( + ~~~~~~~~~~~~~^~~~~~~~~~~~ +``` + +This can be worked around by patching your local versions of v8.h corresponding to Node 0.12 to make +`v8::Handle` a friend of `v8::HandleScope`. Since neither Node.js not V8 support this release line anymore +this patch cannot be released by either project in an official release. + +For this reason, we do not test against Node.js 0.12 on OSX in this project's CI. If you need to support +that configuration, you will need to either get an older compiler, or apply a source patch to the version +of V8 headers as a workaround. + + + +## Governance & Contributing + +NAN is governed by the [Node.js Addon API Working Group](https://github.com/nodejs/CTC/blob/master/WORKING_GROUPS.md#addon-api) + +### Addon API Working Group (WG) + +The NAN project is jointly governed by a Working Group which is responsible for high-level guidance of the project. + +Members of the WG are also known as Collaborators, there is no distinction between the two, unlike other Node.js projects. + +The WG has final authority over this project including: + +* Technical direction +* Project governance and process (including this policy) +* Contribution policy +* GitHub repository hosting +* Maintaining the list of additional Collaborators + +For the current list of WG members, see the project [README.md](./README.md#collaborators). + +Individuals making significant and valuable contributions are made members of the WG and given commit-access to the project. These individuals are identified by the WG and their addition to the WG is discussed via GitHub and requires unanimous consensus amongst those WG members participating in the discussion with a quorum of 50% of WG members required for acceptance of the vote. + +_Note:_ If you make a significant contribution and are not considered for commit-access log an issue or contact a WG member directly. + +For the current list of WG members / Collaborators, see the project [README.md](./README.md#collaborators). + +### Consensus Seeking Process + +The WG follows a [Consensus Seeking](https://en.wikipedia.org/wiki/Consensus-seeking_decision-making) decision making model. + +Modifications of the contents of the NAN repository are made on a collaborative basis. Anybody with a GitHub account may propose a modification via pull request and it will be considered by the WG. All pull requests must be reviewed and accepted by a WG member with sufficient expertise who is able to take full responsibility for the change. In the case of pull requests proposed by an existing WG member, an additional WG member is required for sign-off. Consensus should be sought if additional WG members participate and there is disagreement around a particular modification. + +If a change proposal cannot reach a consensus, a WG member can call for a vote amongst the members of the WG. Simple majority wins. + + + +## Developer's Certificate of Origin 1.1 + +By making a contribution to this project, I certify that: + +* (a) The contribution was created in whole or in part by me and I + have the right to submit it under the open source license + indicated in the file; or + +* (b) The contribution is based upon previous work that, to the best + of my knowledge, is covered under an appropriate open source + license and I have the right under that license to submit that + work with modifications, whether created in whole or in part + by me, under the same open source license (unless I am + permitted to submit under a different license), as indicated + in the file; or + +* (c) The contribution was provided directly to me by some other + person who certified (a), (b) or (c) and I have not modified + it. + +* (d) I understand and agree that this project and the contribution + are public and that a record of the contribution (including all + personal information I submit with it, including my sign-off) is + maintained indefinitely and may be redistributed consistent with + this project or the open source license(s) involved. + + + +### WG Members / Collaborators + + + + + + + + + + +
Rod VaggGitHub/rvaggTwitter/@rvagg
Benjamin ByholmGitHub/kkoopa-
Trevor NorrisGitHub/trevnorrisTwitter/@trevnorris
Nathan RajlichGitHub/TooTallNateTwitter/@TooTallNate
Brett LawsonGitHub/brett19Twitter/@brett19x
Ben NoordhuisGitHub/bnoordhuisTwitter/@bnoordhuis
David SiegelGitHub/agnatTwitter/@agnat
Michael Ira KrufkyGitHub/mkrufkyTwitter/@mkrufky
+ +## Licence & copyright + +Copyright (c) 2018 NAN WG Members / Collaborators (listed above). + +Native Abstractions for Node.js is licensed under an MIT license. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details. diff --git a/node_modules/nan/doc/asyncworker.md b/node_modules/nan/doc/asyncworker.md new file mode 100644 index 0000000..04231f8 --- /dev/null +++ b/node_modules/nan/doc/asyncworker.md @@ -0,0 +1,146 @@ +## Asynchronous work helpers + +`Nan::AsyncWorker`, `Nan::AsyncProgressWorker` and `Nan::AsyncProgressQueueWorker` are helper classes that make working with asynchronous code easier. + + - Nan::AsyncWorker + - Nan::AsyncProgressWorkerBase & Nan::AsyncProgressWorker + - Nan::AsyncProgressQueueWorker + - Nan::AsyncQueueWorker + + +### Nan::AsyncWorker + +`Nan::AsyncWorker` is an _abstract_ class that you can subclass to have much of the annoying asynchronous queuing and handling taken care of for you. It can even store arbitrary V8 objects for you and have them persist while the asynchronous work is in progress. + +This class internally handles the details of creating an [`AsyncResource`][AsyncResource], and running the callback in the +correct async context. To be able to identify the async resources created by this class in async-hooks, provide a +`resource_name` to the constructor. It is recommended that the module name be used as a prefix to the `resource_name` to avoid +collisions in the names. For more details see [`AsyncResource`][AsyncResource] documentation. The `resource_name` needs to stay valid for the lifetime of the worker instance. + +Definition: + +```c++ +class AsyncWorker { + public: + explicit AsyncWorker(Callback *callback_, const char* resource_name = "nan:AsyncWorker"); + + virtual ~AsyncWorker(); + + virtual void WorkComplete(); + + void SaveToPersistent(const char *key, const v8::Local &value); + + void SaveToPersistent(const v8::Local &key, + const v8::Local &value); + + void SaveToPersistent(uint32_t index, + const v8::Local &value); + + v8::Local GetFromPersistent(const char *key) const; + + v8::Local GetFromPersistent(const v8::Local &key) const; + + v8::Local GetFromPersistent(uint32_t index) const; + + virtual void Execute() = 0; + + uv_work_t request; + + virtual void Destroy(); + + protected: + Persistent persistentHandle; + + Callback *callback; + + virtual void HandleOKCallback(); + + virtual void HandleErrorCallback(); + + void SetErrorMessage(const char *msg); + + const char* ErrorMessage(); +}; +``` + + +### Nan::AsyncProgressWorkerBase & Nan::AsyncProgressWorker + +`Nan::AsyncProgressWorkerBase` is an _abstract_ class template that extends `Nan::AsyncWorker` and adds additional progress reporting callbacks that can be used during the asynchronous work execution to provide progress data back to JavaScript. + +Previously the definition of `Nan::AsyncProgressWorker` only allowed sending `const char` data. Now extending `Nan::AsyncProgressWorker` will yield an instance of the implicit `Nan::AsyncProgressWorkerBase` template with type `` for compatibility. + +`Nan::AsyncProgressWorkerBase` & `Nan::AsyncProgressWorker` is intended for best-effort delivery of nonessential progress messages, e.g. a progress bar. The last event sent before the main thread is woken will be delivered. + +Definition: + +```c++ +template +class AsyncProgressWorkerBase : public AsyncWorker { + public: + explicit AsyncProgressWorkerBase(Callback *callback_, const char* resource_name = ...); + + virtual ~AsyncProgressWorkerBase(); + + void WorkProgress(); + + class ExecutionProgress { + public: + void Signal() const; + void Send(const T* data, size_t count) const; + }; + + virtual void Execute(const ExecutionProgress& progress) = 0; + + virtual void HandleProgressCallback(const T *data, size_t count) = 0; + + virtual void Destroy(); +}; + +typedef AsyncProgressWorkerBase AsyncProgressWorker; +``` + + +### Nan::AsyncProgressQueueWorker + +`Nan::AsyncProgressQueueWorker` is an _abstract_ class template that extends `Nan::AsyncWorker` and adds additional progress reporting callbacks that can be used during the asynchronous work execution to provide progress data back to JavaScript. + +`Nan::AsyncProgressQueueWorker` behaves exactly the same as `Nan::AsyncProgressWorker`, except all events are queued and delivered to the main thread. + +Definition: + +```c++ +template +class AsyncProgressQueueWorker : public AsyncWorker { + public: + explicit AsyncProgressQueueWorker(Callback *callback_, const char* resource_name = "nan:AsyncProgressQueueWorker"); + + virtual ~AsyncProgressQueueWorker(); + + void WorkProgress(); + + class ExecutionProgress { + public: + void Send(const T* data, size_t count) const; + }; + + virtual void Execute(const ExecutionProgress& progress) = 0; + + virtual void HandleProgressCallback(const T *data, size_t count) = 0; + + virtual void Destroy(); +}; +``` + + +### Nan::AsyncQueueWorker + +`Nan::AsyncQueueWorker` will run a `Nan::AsyncWorker` asynchronously via libuv. Both the `execute` and `after_work` steps are taken care of for you. Most of the logic for this is embedded in `Nan::AsyncWorker`. + +Definition: + +```c++ +void AsyncQueueWorker(AsyncWorker *); +``` + +[AsyncResource]: node_misc.md#api_nan_asyncresource diff --git a/node_modules/nan/doc/buffers.md b/node_modules/nan/doc/buffers.md new file mode 100644 index 0000000..8d8d25c --- /dev/null +++ b/node_modules/nan/doc/buffers.md @@ -0,0 +1,54 @@ +## Buffers + +NAN's `node::Buffer` helpers exist as the API has changed across supported Node versions. Use these methods to ensure compatibility. + + - Nan::NewBuffer() + - Nan::CopyBuffer() + - Nan::FreeCallback() + + +### Nan::NewBuffer() + +Allocate a new `node::Buffer` object with the specified size and optional data. Calls `node::Buffer::New()`. + +Note that when creating a `Buffer` using `Nan::NewBuffer()` and an existing `char*`, it is assumed that the ownership of the pointer is being transferred to the new `Buffer` for management. +When a `node::Buffer` instance is garbage collected and a `FreeCallback` has not been specified, `data` will be disposed of via a call to `free()`. +You _must not_ free the memory space manually once you have created a `Buffer` in this way. + +Signature: + +```c++ +Nan::MaybeLocal Nan::NewBuffer(uint32_t size) +Nan::MaybeLocal Nan::NewBuffer(char* data, uint32_t size) +Nan::MaybeLocal Nan::NewBuffer(char *data, + size_t length, + Nan::FreeCallback callback, + void *hint) +``` + + + +### Nan::CopyBuffer() + +Similar to [`Nan::NewBuffer()`](#api_nan_new_buffer) except that an implicit memcpy will occur within Node. Calls `node::Buffer::Copy()`. + +Management of the `char*` is left to the user, you should manually free the memory space if necessary as the new `Buffer` will have its own copy. + +Signature: + +```c++ +Nan::MaybeLocal Nan::CopyBuffer(const char *data, uint32_t size) +``` + + + +### Nan::FreeCallback() + +A free callback that can be provided to [`Nan::NewBuffer()`](#api_nan_new_buffer). +The supplied callback will be invoked when the `Buffer` undergoes garbage collection. + +Signature: + +```c++ +typedef void (*FreeCallback)(char *data, void *hint); +``` diff --git a/node_modules/nan/doc/callback.md b/node_modules/nan/doc/callback.md new file mode 100644 index 0000000..f7af0bf --- /dev/null +++ b/node_modules/nan/doc/callback.md @@ -0,0 +1,76 @@ +## Nan::Callback + +`Nan::Callback` makes it easier to use `v8::Function` handles as callbacks. A class that wraps a `v8::Function` handle, protecting it from garbage collection and making it particularly useful for storage and use across asynchronous execution. + + - Nan::Callback + + +### Nan::Callback + +```c++ +class Callback { + public: + Callback(); + + explicit Callback(const v8::Local &fn); + + ~Callback(); + + bool operator==(const Callback &other) const; + + bool operator!=(const Callback &other) const; + + v8::Local operator*() const; + + MaybeLocal operator()(AsyncResource* async_resource, + v8::Local target, + int argc = 0, + v8::Local argv[] = 0) const; + + MaybeLocal operator()(AsyncResource* async_resource, + int argc = 0, + v8::Local argv[] = 0) const; + + void SetFunction(const v8::Local &fn); + + v8::Local GetFunction() const; + + bool IsEmpty() const; + + void Reset(const v8::Local &fn); + + void Reset(); + + MaybeLocal Call(v8::Local target, + int argc, + v8::Local argv[], + AsyncResource* async_resource) const; + MaybeLocal Call(int argc, + v8::Local argv[], + AsyncResource* async_resource) const; + + // Deprecated versions. Use the versions that accept an async_resource instead + // as they run the callback in the correct async context as specified by the + // resource. If you want to call a synchronous JS function (i.e. on a + // non-empty JS stack), you can use Nan::Call instead. + v8::Local operator()(v8::Local target, + int argc = 0, + v8::Local argv[] = 0) const; + + v8::Local operator()(int argc = 0, + v8::Local argv[] = 0) const; + v8::Local Call(v8::Local target, + int argc, + v8::Local argv[]) const; + + v8::Local Call(int argc, v8::Local argv[]) const; +}; +``` + +Example usage: + +```c++ +v8::Local function; +Nan::Callback callback(function); +callback.Call(0, 0); +``` diff --git a/node_modules/nan/doc/converters.md b/node_modules/nan/doc/converters.md new file mode 100644 index 0000000..d20861b --- /dev/null +++ b/node_modules/nan/doc/converters.md @@ -0,0 +1,41 @@ +## Converters + +NAN contains functions that convert `v8::Value`s to other `v8::Value` types and native types. Since type conversion is not guaranteed to succeed, they return `Nan::Maybe` types. These converters can be used in place of `value->ToX()` and `value->XValue()` (where `X` is one of the types, e.g. `Boolean`) in a way that provides a consistent interface across V8 versions. Newer versions of V8 use the new `v8::Maybe` and `v8::MaybeLocal` types for these conversions, older versions don't have this functionality so it is provided by NAN. + + - Nan::To() + + +### Nan::To() + +Converts a `v8::Local` to a different subtype of `v8::Value` or to a native data type. Returns a `Nan::MaybeLocal<>` or a `Nan::Maybe<>` accordingly. + +See [maybe_types.md](./maybe_types.md) for more information on `Nan::Maybe` types. + +Signatures: + +```c++ +// V8 types +Nan::MaybeLocal Nan::To(v8::Local val); +Nan::MaybeLocal Nan::To(v8::Local val); +Nan::MaybeLocal Nan::To(v8::Local val); +Nan::MaybeLocal Nan::To(v8::Local val); +Nan::MaybeLocal Nan::To(v8::Local val); +Nan::MaybeLocal Nan::To(v8::Local val); +Nan::MaybeLocal Nan::To(v8::Local val); + +// Native types +Nan::Maybe Nan::To(v8::Local val); +Nan::Maybe Nan::To(v8::Local val); +Nan::Maybe Nan::To(v8::Local val); +Nan::Maybe Nan::To(v8::Local val); +Nan::Maybe Nan::To(v8::Local val); +``` + +### Example + +```c++ +v8::Local val; +Nan::MaybeLocal str = Nan::To(val); +Nan::Maybe d = Nan::To(val); +``` + diff --git a/node_modules/nan/doc/errors.md b/node_modules/nan/doc/errors.md new file mode 100644 index 0000000..843435b --- /dev/null +++ b/node_modules/nan/doc/errors.md @@ -0,0 +1,226 @@ +## Errors + +NAN includes helpers for creating, throwing and catching Errors as much of this functionality varies across the supported versions of V8 and must be abstracted. + +Note that an Error object is simply a specialized form of `v8::Value`. + +Also consult the V8 Embedders Guide section on [Exceptions](https://developers.google.com/v8/embed#exceptions) for more information. + + - Nan::Error() + - Nan::RangeError() + - Nan::ReferenceError() + - Nan::SyntaxError() + - Nan::TypeError() + - Nan::ThrowError() + - Nan::ThrowRangeError() + - Nan::ThrowReferenceError() + - Nan::ThrowSyntaxError() + - Nan::ThrowTypeError() + - Nan::FatalException() + - Nan::ErrnoException() + - Nan::TryCatch + + + +### Nan::Error() + +Create a new Error object using the [v8::Exception](https://v8docs.nodesource.com/node-8.16/da/d6a/classv8_1_1_exception.html) class in a way that is compatible across the supported versions of V8. + +Note that an Error object is simply a specialized form of `v8::Value`. + +Signature: + +```c++ +v8::Local Nan::Error(const char *msg); +v8::Local Nan::Error(v8::Local msg); +``` + + + +### Nan::RangeError() + +Create a new RangeError object using the [v8::Exception](https://v8docs.nodesource.com/node-8.16/da/d6a/classv8_1_1_exception.html) class in a way that is compatible across the supported versions of V8. + +Note that an RangeError object is simply a specialized form of `v8::Value`. + +Signature: + +```c++ +v8::Local Nan::RangeError(const char *msg); +v8::Local Nan::RangeError(v8::Local msg); +``` + + + +### Nan::ReferenceError() + +Create a new ReferenceError object using the [v8::Exception](https://v8docs.nodesource.com/node-8.16/da/d6a/classv8_1_1_exception.html) class in a way that is compatible across the supported versions of V8. + +Note that an ReferenceError object is simply a specialized form of `v8::Value`. + +Signature: + +```c++ +v8::Local Nan::ReferenceError(const char *msg); +v8::Local Nan::ReferenceError(v8::Local msg); +``` + + + +### Nan::SyntaxError() + +Create a new SyntaxError object using the [v8::Exception](https://v8docs.nodesource.com/node-8.16/da/d6a/classv8_1_1_exception.html) class in a way that is compatible across the supported versions of V8. + +Note that an SyntaxError object is simply a specialized form of `v8::Value`. + +Signature: + +```c++ +v8::Local Nan::SyntaxError(const char *msg); +v8::Local Nan::SyntaxError(v8::Local msg); +``` + + + +### Nan::TypeError() + +Create a new TypeError object using the [v8::Exception](https://v8docs.nodesource.com/node-8.16/da/d6a/classv8_1_1_exception.html) class in a way that is compatible across the supported versions of V8. + +Note that an TypeError object is simply a specialized form of `v8::Value`. + +Signature: + +```c++ +v8::Local Nan::TypeError(const char *msg); +v8::Local Nan::TypeError(v8::Local msg); +``` + + + +### Nan::ThrowError() + +Throw an Error object (a specialized `v8::Value` as above) in the current context. If a `msg` is provided, a new Error object will be created. + +Signature: + +```c++ +void Nan::ThrowError(const char *msg); +void Nan::ThrowError(v8::Local msg); +void Nan::ThrowError(v8::Local error); +``` + + + +### Nan::ThrowRangeError() + +Throw an RangeError object (a specialized `v8::Value` as above) in the current context. If a `msg` is provided, a new RangeError object will be created. + +Signature: + +```c++ +void Nan::ThrowRangeError(const char *msg); +void Nan::ThrowRangeError(v8::Local msg); +void Nan::ThrowRangeError(v8::Local error); +``` + + + +### Nan::ThrowReferenceError() + +Throw an ReferenceError object (a specialized `v8::Value` as above) in the current context. If a `msg` is provided, a new ReferenceError object will be created. + +Signature: + +```c++ +void Nan::ThrowReferenceError(const char *msg); +void Nan::ThrowReferenceError(v8::Local msg); +void Nan::ThrowReferenceError(v8::Local error); +``` + + + +### Nan::ThrowSyntaxError() + +Throw an SyntaxError object (a specialized `v8::Value` as above) in the current context. If a `msg` is provided, a new SyntaxError object will be created. + +Signature: + +```c++ +void Nan::ThrowSyntaxError(const char *msg); +void Nan::ThrowSyntaxError(v8::Local msg); +void Nan::ThrowSyntaxError(v8::Local error); +``` + + + +### Nan::ThrowTypeError() + +Throw an TypeError object (a specialized `v8::Value` as above) in the current context. If a `msg` is provided, a new TypeError object will be created. + +Signature: + +```c++ +void Nan::ThrowTypeError(const char *msg); +void Nan::ThrowTypeError(v8::Local msg); +void Nan::ThrowTypeError(v8::Local error); +``` + + +### Nan::FatalException() + +Replaces `node::FatalException()` which has a different API across supported versions of Node. For use with [`Nan::TryCatch`](#api_nan_try_catch). + +Signature: + +```c++ +void Nan::FatalException(const Nan::TryCatch& try_catch); +``` + + +### Nan::ErrnoException() + +Replaces `node::ErrnoException()` which has a different API across supported versions of Node. + +Signature: + +```c++ +v8::Local Nan::ErrnoException(int errorno, + const char* syscall = NULL, + const char* message = NULL, + const char* path = NULL); +``` + + + +### Nan::TryCatch + +A simple wrapper around [`v8::TryCatch`](https://v8docs.nodesource.com/node-8.16/d4/dc6/classv8_1_1_try_catch.html) compatible with all supported versions of V8. Can be used as a direct replacement in most cases. See also [`Nan::FatalException()`](#api_nan_fatal_exception) for an internal use compatible with `node::FatalException`. + +Signature: + +```c++ +class Nan::TryCatch { + public: + Nan::TryCatch(); + + bool HasCaught() const; + + bool CanContinue() const; + + v8::Local ReThrow(); + + v8::Local Exception() const; + + // Nan::MaybeLocal for older versions of V8 + v8::MaybeLocal StackTrace() const; + + v8::Local Message() const; + + void Reset(); + + void SetVerbose(bool value); + + void SetCaptureMessage(bool value); +}; +``` + diff --git a/node_modules/nan/doc/json.md b/node_modules/nan/doc/json.md new file mode 100644 index 0000000..d142597 --- /dev/null +++ b/node_modules/nan/doc/json.md @@ -0,0 +1,62 @@ +## JSON + +The _JSON_ object provides the c++ versions of the methods offered by the `JSON` object in javascript. V8 exposes these methods via the `v8::JSON` object. + + - Nan::JSON.Parse + - Nan::JSON.Stringify + +Refer to the V8 JSON object in the [V8 documentation](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html) for more information about these methods and their arguments. + + + +### Nan::JSON.Parse + +A simple wrapper around [`v8::JSON::Parse`](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html#a936310d2540fb630ed37d3ee3ffe4504). + +Definition: + +```c++ +Nan::MaybeLocal Nan::JSON::Parse(v8::Local json_string); +``` + +Use `JSON.Parse(json_string)` to parse a string into a `v8::Value`. + +Example: + +```c++ +v8::Local json_string = Nan::New("{ \"JSON\": \"object\" }").ToLocalChecked(); + +Nan::JSON NanJSON; +Nan::MaybeLocal result = NanJSON.Parse(json_string); +if (!result.IsEmpty()) { + v8::Local val = result.ToLocalChecked(); +} +``` + + + +### Nan::JSON.Stringify + +A simple wrapper around [`v8::JSON::Stringify`](https://v8docs.nodesource.com/node-8.16/da/d6f/classv8_1_1_j_s_o_n.html#a44b255c3531489ce43f6110209138860). + +Definition: + +```c++ +Nan::MaybeLocal Nan::JSON::Stringify(v8::Local json_object, v8::Local gap = v8::Local()); +``` + +Use `JSON.Stringify(value)` to stringify a `v8::Object`. + +Example: + +```c++ +// using `v8::Local val` from the `JSON::Parse` example +v8::Local obj = Nan::To(val).ToLocalChecked(); + +Nan::JSON NanJSON; +Nan::MaybeLocal result = NanJSON.Stringify(obj); +if (!result.IsEmpty()) { + v8::Local stringified = result.ToLocalChecked(); +} +``` + diff --git a/node_modules/nan/doc/maybe_types.md b/node_modules/nan/doc/maybe_types.md new file mode 100644 index 0000000..142851a --- /dev/null +++ b/node_modules/nan/doc/maybe_types.md @@ -0,0 +1,583 @@ +## Maybe Types + +The `Nan::MaybeLocal` and `Nan::Maybe` types are monads that encapsulate `v8::Local` handles that _may be empty_. + +* **Maybe Types** + - Nan::MaybeLocal + - Nan::Maybe + - Nan::Nothing + - Nan::Just +* **Maybe Helpers** + - Nan::Call() + - Nan::ToDetailString() + - Nan::ToArrayIndex() + - Nan::Equals() + - Nan::NewInstance() + - Nan::GetFunction() + - Nan::Set() + - Nan::DefineOwnProperty() + - Nan::ForceSet() + - Nan::Get() + - Nan::GetPropertyAttributes() + - Nan::Has() + - Nan::Delete() + - Nan::GetPropertyNames() + - Nan::GetOwnPropertyNames() + - Nan::SetPrototype() + - Nan::ObjectProtoToString() + - Nan::HasOwnProperty() + - Nan::HasRealNamedProperty() + - Nan::HasRealIndexedProperty() + - Nan::HasRealNamedCallbackProperty() + - Nan::GetRealNamedPropertyInPrototypeChain() + - Nan::GetRealNamedProperty() + - Nan::CallAsFunction() + - Nan::CallAsConstructor() + - Nan::GetSourceLine() + - Nan::GetLineNumber() + - Nan::GetStartColumn() + - Nan::GetEndColumn() + - Nan::CloneElementAt() + - Nan::HasPrivate() + - Nan::GetPrivate() + - Nan::SetPrivate() + - Nan::DeletePrivate() + - Nan::MakeMaybe() + + +### Nan::MaybeLocal + +A `Nan::MaybeLocal` is a wrapper around [`v8::Local`](https://v8docs.nodesource.com/node-8.16/de/deb/classv8_1_1_local.html) that enforces a check that determines whether the `v8::Local` is empty before it can be used. + +If an API method returns a `Nan::MaybeLocal`, the API method can potentially fail either because an exception is thrown, or because an exception is pending, e.g. because a previous API call threw an exception that hasn't been caught yet, or because a `v8::TerminateExecution` exception was thrown. In that case, an empty `Nan::MaybeLocal` is returned. + +Definition: + +```c++ +template class Nan::MaybeLocal { + public: + MaybeLocal(); + + template MaybeLocal(v8::Local that); + + bool IsEmpty() const; + + template bool ToLocal(v8::Local *out); + + // Will crash if the MaybeLocal<> is empty. + v8::Local ToLocalChecked(); + + template v8::Local FromMaybe(v8::Local default_value) const; +}; +``` + +See the documentation for [`v8::MaybeLocal`](https://v8docs.nodesource.com/node-8.16/d8/d7d/classv8_1_1_maybe_local.html) for further details. + + +### Nan::Maybe + +A simple `Nan::Maybe` type, representing an object which may or may not have a value, see https://hackage.haskell.org/package/base/docs/Data-Maybe.html. + +If an API method returns a `Nan::Maybe<>`, the API method can potentially fail either because an exception is thrown, or because an exception is pending, e.g. because a previous API call threw an exception that hasn't been caught yet, or because a `v8::TerminateExecution` exception was thrown. In that case, a "Nothing" value is returned. + +Definition: + +```c++ +template class Nan::Maybe { + public: + bool IsNothing() const; + bool IsJust() const; + + // Will crash if the Maybe<> is nothing. + T FromJust(); + + T FromMaybe(const T& default_value); + + bool operator==(const Maybe &other); + + bool operator!=(const Maybe &other); +}; +``` + +See the documentation for [`v8::Maybe`](https://v8docs.nodesource.com/node-8.16/d9/d4b/classv8_1_1_maybe.html) for further details. + + +### Nan::Nothing + +Construct an empty `Nan::Maybe` type representing _nothing_. + +```c++ +template Nan::Maybe Nan::Nothing(); +``` + + +### Nan::Just + +Construct a `Nan::Maybe` type representing _just_ a value. + +```c++ +template Nan::Maybe Nan::Just(const T &t); +``` + + +### Nan::Call() + +A helper method for calling a synchronous [`v8::Function#Call()`](https://v8docs.nodesource.com/node-8.16/d5/d54/classv8_1_1_function.html#a9c3d0e4e13ddd7721fce238aa5b94a11) in a way compatible across supported versions of V8. + +For asynchronous callbacks, use Nan::Callback::Call along with an AsyncResource. + +Signature: + +```c++ +Nan::MaybeLocal Nan::Call(v8::Local fun, v8::Local recv, int argc, v8::Local argv[]); +Nan::MaybeLocal Nan::Call(const Nan::Callback& callback, v8::Local recv, + int argc, v8::Local argv[]); +Nan::MaybeLocal Nan::Call(const Nan::Callback& callback, int argc, v8::Local argv[]); +``` + + + +### Nan::ToDetailString() + +A helper method for calling [`v8::Value#ToDetailString()`](https://v8docs.nodesource.com/node-8.16/dc/d0a/classv8_1_1_value.html#a2f9770296dc2c8d274bc8cc0dca243e5) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::ToDetailString(v8::Local val); +``` + + + +### Nan::ToArrayIndex() + +A helper method for calling [`v8::Value#ToArrayIndex()`](https://v8docs.nodesource.com/node-8.16/dc/d0a/classv8_1_1_value.html#acc5bbef3c805ec458470c0fcd6f13493) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::ToArrayIndex(v8::Local val); +``` + + + +### Nan::Equals() + +A helper method for calling [`v8::Value#Equals()`](https://v8docs.nodesource.com/node-8.16/dc/d0a/classv8_1_1_value.html#a08fba1d776a59bbf6864b25f9152c64b) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::Equals(v8::Local a, v8::Local(b)); +``` + + + +### Nan::NewInstance() + +A helper method for calling [`v8::Function#NewInstance()`](https://v8docs.nodesource.com/node-8.16/d5/d54/classv8_1_1_function.html#ae477558b10c14b76ed00e8dbab44ce5b) and [`v8::ObjectTemplate#NewInstance()`](https://v8docs.nodesource.com/node-8.16/db/d5f/classv8_1_1_object_template.html#ad605a7543cfbc5dab54cdb0883d14ae4) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::NewInstance(v8::Local h); +Nan::MaybeLocal Nan::NewInstance(v8::Local h, int argc, v8::Local argv[]); +Nan::MaybeLocal Nan::NewInstance(v8::Local h); +``` + + + +### Nan::GetFunction() + +A helper method for calling [`v8::FunctionTemplate#GetFunction()`](https://v8docs.nodesource.com/node-8.16/d8/d83/classv8_1_1_function_template.html#a56d904662a86eca78da37d9bb0ed3705) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetFunction(v8::Local t); +``` + + + +### Nan::Set() + +A helper method for calling [`v8::Object#Set()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a67604ea3734f170c66026064ea808f20) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::Set(v8::Local obj, + v8::Local key, + v8::Local value) +Nan::Maybe Nan::Set(v8::Local obj, + uint32_t index, + v8::Local value); +``` + + + +### Nan::DefineOwnProperty() + +A helper method for calling [`v8::Object#DefineOwnProperty()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a6f76b2ed605cb8f9185b92de0033a820) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::DefineOwnProperty(v8::Local obj, + v8::Local key, + v8::Local value, + v8::PropertyAttribute attribs = v8::None); +``` + + + +### Nan::ForceSet() + +Deprecated, use Nan::DefineOwnProperty(). + +A helper method for calling [`v8::Object#ForceSet()`](https://v8docs.nodesource.com/node-0.12/db/d85/classv8_1_1_object.html#acfbdfd7427b516ebdb5c47c4df5ed96c) in a way compatible across supported versions of V8. + +Signature: + +```c++ +NAN_DEPRECATED Nan::Maybe Nan::ForceSet(v8::Local obj, + v8::Local key, + v8::Local value, + v8::PropertyAttribute attribs = v8::None); +``` + + + +### Nan::Get() + +A helper method for calling [`v8::Object#Get()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a2565f03e736694f6b1e1cf22a0b4eac2) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::Get(v8::Local obj, + v8::Local key); +Nan::MaybeLocal Nan::Get(v8::Local obj, uint32_t index); +``` + + + +### Nan::GetPropertyAttributes() + +A helper method for calling [`v8::Object#GetPropertyAttributes()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a9b898894da3d1db2714fd9325a54fe57) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::GetPropertyAttributes( + v8::Local obj, + v8::Local key); +``` + + + +### Nan::Has() + +A helper method for calling [`v8::Object#Has()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ab3c3d89ea7c2f9afd08965bd7299a41d) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::Has(v8::Local obj, v8::Local key); +Nan::Maybe Nan::Has(v8::Local obj, uint32_t index); +``` + + + +### Nan::Delete() + +A helper method for calling [`v8::Object#Delete()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a48e4a19b2cedff867eecc73ddb7d377f) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::Delete(v8::Local obj, + v8::Local key); +Nan::Maybe Nan::Delete(v8::Local obj, uint32_t index); +``` + + + +### Nan::GetPropertyNames() + +A helper method for calling [`v8::Object#GetPropertyNames()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#aced885270cfd2c956367b5eedc7fbfe8) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetPropertyNames(v8::Local obj); +``` + + + +### Nan::GetOwnPropertyNames() + +A helper method for calling [`v8::Object#GetOwnPropertyNames()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a79a6e4d66049b9aa648ed4dfdb23e6eb) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetOwnPropertyNames(v8::Local obj); +``` + + + +### Nan::SetPrototype() + +A helper method for calling [`v8::Object#SetPrototype()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a442706b22fceda6e6d1f632122a9a9f4) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::SetPrototype(v8::Local obj, + v8::Local prototype); +``` + + + +### Nan::ObjectProtoToString() + +A helper method for calling [`v8::Object#ObjectProtoToString()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ab7a92b4dcf822bef72f6c0ac6fea1f0b) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::ObjectProtoToString(v8::Local obj); +``` + + + +### Nan::HasOwnProperty() + +A helper method for calling [`v8::Object#HasOwnProperty()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ab7b7245442ca6de1e1c145ea3fd653ff) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::HasOwnProperty(v8::Local obj, + v8::Local key); +``` + + + +### Nan::HasRealNamedProperty() + +A helper method for calling [`v8::Object#HasRealNamedProperty()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ad8b80a59c9eb3c1e6c3cd6c84571f767) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::HasRealNamedProperty(v8::Local obj, + v8::Local key); +``` + + + +### Nan::HasRealIndexedProperty() + +A helper method for calling [`v8::Object#HasRealIndexedProperty()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#af94fc1135a5e74a2193fb72c3a1b9855) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::HasRealIndexedProperty(v8::Local obj, + uint32_t index); +``` + + + +### Nan::HasRealNamedCallbackProperty() + +A helper method for calling [`v8::Object#HasRealNamedCallbackProperty()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#af743b7ea132b89f84d34d164d0668811) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::HasRealNamedCallbackProperty( + v8::Local obj, + v8::Local key); +``` + + + +### Nan::GetRealNamedPropertyInPrototypeChain() + +A helper method for calling [`v8::Object#GetRealNamedPropertyInPrototypeChain()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a8700b1862e6b4783716964ba4d5e6172) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetRealNamedPropertyInPrototypeChain( + v8::Local obj, + v8::Local key); +``` + + + +### Nan::GetRealNamedProperty() + +A helper method for calling [`v8::Object#GetRealNamedProperty()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a84471a824576a5994fdd0ffcbf99ccc0) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetRealNamedProperty(v8::Local obj, + v8::Local key); +``` + + + +### Nan::CallAsFunction() + +A helper method for calling [`v8::Object#CallAsFunction()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ad3ffc36f3dfc3592ce2a96bc047ee2cd) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::CallAsFunction(v8::Local obj, + v8::Local recv, + int argc, + v8::Local argv[]); +``` + + + +### Nan::CallAsConstructor() + +A helper method for calling [`v8::Object#CallAsConstructor()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a50d571de50d0b0dfb28795619d07a01b) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::CallAsConstructor(v8::Local obj, + int argc, + v8::Local argv[]); +``` + + + +### Nan::GetSourceLine() + +A helper method for calling [`v8::Message#GetSourceLine()`](https://v8docs.nodesource.com/node-8.16/d9/d28/classv8_1_1_message.html#a849f7a6c41549d83d8159825efccd23a) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetSourceLine(v8::Local msg); +``` + + + +### Nan::GetLineNumber() + +A helper method for calling [`v8::Message#GetLineNumber()`](https://v8docs.nodesource.com/node-8.16/d9/d28/classv8_1_1_message.html#adbe46c10a88a6565f2732a2d2adf99b9) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::GetLineNumber(v8::Local msg); +``` + + + +### Nan::GetStartColumn() + +A helper method for calling [`v8::Message#GetStartColumn()`](https://v8docs.nodesource.com/node-8.16/d9/d28/classv8_1_1_message.html#a60ede616ba3822d712e44c7a74487ba6) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::GetStartColumn(v8::Local msg); +``` + + + +### Nan::GetEndColumn() + +A helper method for calling [`v8::Message#GetEndColumn()`](https://v8docs.nodesource.com/node-8.16/d9/d28/classv8_1_1_message.html#aaa004cf19e529da980bc19fcb76d93be) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::GetEndColumn(v8::Local msg); +``` + + + +### Nan::CloneElementAt() + +A helper method for calling [`v8::Array#CloneElementAt()`](https://v8docs.nodesource.com/node-4.8/d3/d32/classv8_1_1_array.html#a1d3a878d4c1c7cae974dd50a1639245e) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::CloneElementAt(v8::Local array, uint32_t index); +``` + + +### Nan::HasPrivate() + +A helper method for calling [`v8::Object#HasPrivate()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#af68a0b98066cfdeb8f943e98a40ba08d) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::HasPrivate(v8::Local object, v8::Local key); +``` + + +### Nan::GetPrivate() + +A helper method for calling [`v8::Object#GetPrivate()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a169f2da506acbec34deadd9149a1925a) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::GetPrivate(v8::Local object, v8::Local key); +``` + + +### Nan::SetPrivate() + +A helper method for calling [`v8::Object#SetPrivate()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ace1769b0f3b86bfe9fda1010916360ee) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::SetPrivate(v8::Local object, v8::Local key, v8::Local value); +``` + + +### Nan::DeletePrivate() + +A helper method for calling [`v8::Object#DeletePrivate()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a138bb32a304f3982be02ad499693b8fd) in a way compatible across supported versions of V8. + +Signature: + +```c++ +Nan::Maybe Nan::DeletePrivate(v8::Local object, v8::Local key); +``` + + +### Nan::MakeMaybe() + +Wraps a `v8::Local<>` in a `Nan::MaybeLocal<>`. When called with a `Nan::MaybeLocal<>` it just returns its argument. This is useful in generic template code that builds on NAN. + +Synopsis: + +```c++ + MaybeLocal someNumber = MakeMaybe(New(3.141592654)); + MaybeLocal someString = MakeMaybe(New("probably")); +``` + +Signature: + +```c++ +template class MaybeMaybe> +Nan::MaybeLocal Nan::MakeMaybe(MaybeMaybe v); +``` diff --git a/node_modules/nan/doc/methods.md b/node_modules/nan/doc/methods.md new file mode 100644 index 0000000..9642d02 --- /dev/null +++ b/node_modules/nan/doc/methods.md @@ -0,0 +1,664 @@ +## JavaScript-accessible methods + +A _template_ is a blueprint for JavaScript functions and objects in a context. You can use a template to wrap C++ functions and data structures within JavaScript objects so that they can be manipulated from JavaScript. See the V8 Embedders Guide section on [Templates](https://github.com/v8/v8/wiki/Embedder%27s-Guide#templates) for further information. + +In order to expose functionality to JavaScript via a template, you must provide it to V8 in a form that it understands. Across the versions of V8 supported by NAN, JavaScript-accessible method signatures vary widely, NAN fully abstracts method declaration and provides you with an interface that is similar to the most recent V8 API but is backward-compatible with older versions that still use the now-deceased `v8::Argument` type. + +* **Method argument types** + - Nan::FunctionCallbackInfo + - Nan::PropertyCallbackInfo + - Nan::ReturnValue +* **Method declarations** + - Method declaration + - Getter declaration + - Setter declaration + - Property getter declaration + - Property setter declaration + - Property enumerator declaration + - Property deleter declaration + - Property query declaration + - Index getter declaration + - Index setter declaration + - Index enumerator declaration + - Index deleter declaration + - Index query declaration +* Method and template helpers + - Nan::SetMethod() + - Nan::SetPrototypeMethod() + - Nan::SetAccessor() + - Nan::SetNamedPropertyHandler() + - Nan::SetIndexedPropertyHandler() + - Nan::SetTemplate() + - Nan::SetPrototypeTemplate() + - Nan::SetInstanceTemplate() + - Nan::SetCallHandler() + - Nan::SetCallAsFunctionHandler() + + +### Nan::FunctionCallbackInfo + +`Nan::FunctionCallbackInfo` should be used in place of [`v8::FunctionCallbackInfo`](https://v8docs.nodesource.com/node-8.16/dd/d0d/classv8_1_1_function_callback_info.html), even with older versions of Node where `v8::FunctionCallbackInfo` does not exist. + +Definition: + +```c++ +template class FunctionCallbackInfo { + public: + ReturnValue GetReturnValue() const; + v8::Local Callee(); // NOTE: Not available in NodeJS >= 10.0.0 + v8::Local Data(); + v8::Local Holder(); + bool IsConstructCall(); + int Length() const; + v8::Local operator[](int i) const; + v8::Local This() const; + v8::Isolate *GetIsolate() const; +}; +``` + +See the [`v8::FunctionCallbackInfo`](https://v8docs.nodesource.com/node-8.16/dd/d0d/classv8_1_1_function_callback_info.html) documentation for usage details on these. See [`Nan::ReturnValue`](#api_nan_return_value) for further information on how to set a return value from methods. + +**Note:** `FunctionCallbackInfo::Callee` is removed in Node.js after `10.0.0` because it is was deprecated in V8. Consider using `info.Data()` to pass any information you need. + + +### Nan::PropertyCallbackInfo + +`Nan::PropertyCallbackInfo` should be used in place of [`v8::PropertyCallbackInfo`](https://v8docs.nodesource.com/node-8.16/d7/dc5/classv8_1_1_property_callback_info.html), even with older versions of Node where `v8::PropertyCallbackInfo` does not exist. + +Definition: + +```c++ +template class PropertyCallbackInfo : public PropertyCallbackInfoBase { + public: + ReturnValue GetReturnValue() const; + v8::Isolate* GetIsolate() const; + v8::Local Data() const; + v8::Local This() const; + v8::Local Holder() const; +}; +``` + +See the [`v8::PropertyCallbackInfo`](https://v8docs.nodesource.com/node-8.16/d7/dc5/classv8_1_1_property_callback_info.html) documentation for usage details on these. See [`Nan::ReturnValue`](#api_nan_return_value) for further information on how to set a return value from property accessor methods. + + +### Nan::ReturnValue + +`Nan::ReturnValue` is used in place of [`v8::ReturnValue`](https://v8docs.nodesource.com/node-8.16/da/da7/classv8_1_1_return_value.html) on both [`Nan::FunctionCallbackInfo`](#api_nan_function_callback_info) and [`Nan::PropertyCallbackInfo`](#api_nan_property_callback_info) as the return type of `GetReturnValue()`. + +Example usage: + +```c++ +void EmptyArray(const Nan::FunctionCallbackInfo& info) { + info.GetReturnValue().Set(Nan::New()); +} +``` + +Definition: + +```c++ +template class ReturnValue { + public: + // Handle setters + template void Set(const v8::Local &handle); + template void Set(const Nan::Global &handle); + + // Fast primitive setters + void Set(bool value); + void Set(double i); + void Set(int32_t i); + void Set(uint32_t i); + + // Fast JS primitive setters + void SetNull(); + void SetUndefined(); + void SetEmptyString(); + + // Convenience getter for isolate + v8::Isolate *GetIsolate() const; +}; +``` + +See the documentation on [`v8::ReturnValue`](https://v8docs.nodesource.com/node-8.16/da/da7/classv8_1_1_return_value.html) for further information on this. + + +### Method declaration + +JavaScript-accessible methods should be declared with the following signature to form a `Nan::FunctionCallback`: + +```c++ +typedef void(*FunctionCallback)(const FunctionCallbackInfo&); +``` + +Example: + +```c++ +void MethodName(const Nan::FunctionCallbackInfo& info) { + ... +} +``` + +You do not need to declare a new `HandleScope` within a method as one is implicitly created for you. + +**Example usage** + +```c++ +// .h: +class Foo : public Nan::ObjectWrap { + ... + + static void Bar(const Nan::FunctionCallbackInfo& info); + static void Baz(const Nan::FunctionCallbackInfo& info); +} + + +// .cc: +void Foo::Bar(const Nan::FunctionCallbackInfo& info) { + ... +} + +void Foo::Baz(const Nan::FunctionCallbackInfo& info) { + ... +} +``` + +A helper macro `NAN_METHOD(methodname)` exists, compatible with NAN v1 method declarations. + +**Example usage with `NAN_METHOD(methodname)`** + +```c++ +// .h: +class Foo : public Nan::ObjectWrap { + ... + + static NAN_METHOD(Bar); + static NAN_METHOD(Baz); +} + + +// .cc: +NAN_METHOD(Foo::Bar) { + ... +} + +NAN_METHOD(Foo::Baz) { + ... +} +``` + +Use [`Nan::SetPrototypeMethod`](#api_nan_set_prototype_method) to attach a method to a JavaScript function prototype or [`Nan::SetMethod`](#api_nan_set_method) to attach a method directly on a JavaScript object. + + +### Getter declaration + +JavaScript-accessible getters should be declared with the following signature to form a `Nan::GetterCallback`: + +```c++ +typedef void(*GetterCallback)(v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void GetterName(v8::Local property, + const Nan::PropertyCallbackInfo& info) { + ... +} +``` + +You do not need to declare a new `HandleScope` within a getter as one is implicitly created for you. + +A helper macro `NAN_GETTER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on [Accessors](https://developers.google.com/v8/embed#accesssors). + + +### Setter declaration + +JavaScript-accessible setters should be declared with the following signature to form a Nan::SetterCallback: + +```c++ +typedef void(*SetterCallback)(v8::Local, + v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void SetterName(v8::Local property, + v8::Local value, + const Nan::PropertyCallbackInfo& info) { + ... +} +``` + +You do not need to declare a new `HandleScope` within a setter as one is implicitly created for you. + +A helper macro `NAN_SETTER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on [Accessors](https://developers.google.com/v8/embed#accesssors). + + +### Property getter declaration + +JavaScript-accessible property getters should be declared with the following signature to form a Nan::PropertyGetterCallback: + +```c++ +typedef void(*PropertyGetterCallback)(v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void PropertyGetterName(v8::Local property, + const Nan::PropertyCallbackInfo& info) { + ... +} +``` + +You do not need to declare a new `HandleScope` within a property getter as one is implicitly created for you. + +A helper macro `NAN_PROPERTY_GETTER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on named property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Property setter declaration + +JavaScript-accessible property setters should be declared with the following signature to form a Nan::PropertySetterCallback: + +```c++ +typedef void(*PropertySetterCallback)(v8::Local, + v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void PropertySetterName(v8::Local property, + v8::Local value, + const Nan::PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a property setter as one is implicitly created for you. + +A helper macro `NAN_PROPERTY_SETTER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on named property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Property enumerator declaration + +JavaScript-accessible property enumerators should be declared with the following signature to form a Nan::PropertyEnumeratorCallback: + +```c++ +typedef void(*PropertyEnumeratorCallback)(const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void PropertyEnumeratorName(const Nan::PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a property enumerator as one is implicitly created for you. + +A helper macro `NAN_PROPERTY_ENUMERATOR(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on named property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Property deleter declaration + +JavaScript-accessible property deleters should be declared with the following signature to form a Nan::PropertyDeleterCallback: + +```c++ +typedef void(*PropertyDeleterCallback)(v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void PropertyDeleterName(v8::Local property, + const Nan::PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a property deleter as one is implicitly created for you. + +A helper macro `NAN_PROPERTY_DELETER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on named property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Property query declaration + +JavaScript-accessible property query methods should be declared with the following signature to form a Nan::PropertyQueryCallback: + +```c++ +typedef void(*PropertyQueryCallback)(v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void PropertyQueryName(v8::Local property, + const Nan::PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a property query method as one is implicitly created for you. + +A helper macro `NAN_PROPERTY_QUERY(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on named property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Index getter declaration + +JavaScript-accessible index getter methods should be declared with the following signature to form a Nan::IndexGetterCallback: + +```c++ +typedef void(*IndexGetterCallback)(uint32_t, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void IndexGetterName(uint32_t index, const PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a index getter as one is implicitly created for you. + +A helper macro `NAN_INDEX_GETTER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on indexed property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Index setter declaration + +JavaScript-accessible index setter methods should be declared with the following signature to form a Nan::IndexSetterCallback: + +```c++ +typedef void(*IndexSetterCallback)(uint32_t, + v8::Local, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void IndexSetterName(uint32_t index, + v8::Local value, + const PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a index setter as one is implicitly created for you. + +A helper macro `NAN_INDEX_SETTER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on indexed property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Index enumerator declaration + +JavaScript-accessible index enumerator methods should be declared with the following signature to form a Nan::IndexEnumeratorCallback: + +```c++ +typedef void(*IndexEnumeratorCallback)(const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void IndexEnumeratorName(const PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a index enumerator as one is implicitly created for you. + +A helper macro `NAN_INDEX_ENUMERATOR(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on indexed property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Index deleter declaration + +JavaScript-accessible index deleter methods should be declared with the following signature to form a Nan::IndexDeleterCallback: + +```c++ +typedef void(*IndexDeleterCallback)(uint32_t, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void IndexDeleterName(uint32_t index, const PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a index deleter as one is implicitly created for you. + +A helper macro `NAN_INDEX_DELETER(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on indexed property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Index query declaration + +JavaScript-accessible index query methods should be declared with the following signature to form a Nan::IndexQueryCallback: + +```c++ +typedef void(*IndexQueryCallback)(uint32_t, + const PropertyCallbackInfo&); +``` + +Example: + +```c++ +void IndexQueryName(uint32_t index, const PropertyCallbackInfo& info); +``` + +You do not need to declare a new `HandleScope` within a index query method as one is implicitly created for you. + +A helper macro `NAN_INDEX_QUERY(methodname)` exists, compatible with NAN v1 method declarations. + +Also see the V8 Embedders Guide documentation on indexed property [Interceptors](https://developers.google.com/v8/embed#interceptors). + + +### Nan::SetMethod() + +Sets a method with a given name directly on a JavaScript object where the method has the `Nan::FunctionCallback` signature (see Method declaration). + +Signature: + +```c++ +void Nan::SetMethod(v8::Local recv, + const char *name, + Nan::FunctionCallback callback, + v8::Local data = v8::Local()) +void Nan::SetMethod(v8::Local templ, + const char *name, + Nan::FunctionCallback callback, + v8::Local data = v8::Local()) +``` + + +### Nan::SetPrototypeMethod() + +Sets a method with a given name on a `FunctionTemplate`'s prototype where the method has the `Nan::FunctionCallback` signature (see Method declaration). + +Signature: + +```c++ +void Nan::SetPrototypeMethod(v8::Local recv, + const char* name, + Nan::FunctionCallback callback, + v8::Local data = v8::Local()) +``` + + +### Nan::SetAccessor() + +Sets getters and setters for a property with a given name on an `ObjectTemplate` or a plain `Object`. Accepts getters with the `Nan::GetterCallback` signature (see Getter declaration) and setters with the `Nan::SetterCallback` signature (see Setter declaration). + +Signature: + +```c++ +void SetAccessor(v8::Local tpl, + v8::Local name, + Nan::GetterCallback getter, + Nan::SetterCallback setter = 0, + v8::Local data = v8::Local(), + v8::AccessControl settings = v8::DEFAULT, + v8::PropertyAttribute attribute = v8::None, + imp::Sig signature = imp::Sig()); +bool SetAccessor(v8::Local obj, + v8::Local name, + Nan::GetterCallback getter, + Nan::SetterCallback setter = 0, + v8::Local data = v8::Local(), + v8::AccessControl settings = v8::DEFAULT, + v8::PropertyAttribute attribute = v8::None) +``` + +See the V8 [`ObjectTemplate#SetAccessor()`](https://v8docs.nodesource.com/node-8.16/db/d5f/classv8_1_1_object_template.html#aca0ed196f8a9adb1f68b1aadb6c9cd77) and [`Object#SetAccessor()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ae91b3b56b357f285288c89fbddc46d1b) for further information about how to use `Nan::SetAccessor()`. + + +### Nan::SetNamedPropertyHandler() + +Sets named property getters, setters, query, deleter and enumerator methods on an `ObjectTemplate`. Accepts: + +* Property getters with the `Nan::PropertyGetterCallback` signature (see Property getter declaration) +* Property setters with the `Nan::PropertySetterCallback` signature (see Property setter declaration) +* Property query methods with the `Nan::PropertyQueryCallback` signature (see Property query declaration) +* Property deleters with the `Nan::PropertyDeleterCallback` signature (see Property deleter declaration) +* Property enumerators with the `Nan::PropertyEnumeratorCallback` signature (see Property enumerator declaration) + +Signature: + +```c++ +void SetNamedPropertyHandler(v8::Local tpl, + Nan::PropertyGetterCallback getter, + Nan::PropertySetterCallback setter = 0, + Nan::PropertyQueryCallback query = 0, + Nan::PropertyDeleterCallback deleter = 0, + Nan::PropertyEnumeratorCallback enumerator = 0, + v8::Local data = v8::Local()) +``` + +See the V8 [`ObjectTemplate#SetNamedPropertyHandler()`](https://v8docs.nodesource.com/node-8.16/db/d5f/classv8_1_1_object_template.html#a33b3ebd7de641f6cc6414b7de01fc1c7) for further information about how to use `Nan::SetNamedPropertyHandler()`. + + +### Nan::SetIndexedPropertyHandler() + +Sets indexed property getters, setters, query, deleter and enumerator methods on an `ObjectTemplate`. Accepts: + +* Indexed property getters with the `Nan::IndexGetterCallback` signature (see Index getter declaration) +* Indexed property setters with the `Nan::IndexSetterCallback` signature (see Index setter declaration) +* Indexed property query methods with the `Nan::IndexQueryCallback` signature (see Index query declaration) +* Indexed property deleters with the `Nan::IndexDeleterCallback` signature (see Index deleter declaration) +* Indexed property enumerators with the `Nan::IndexEnumeratorCallback` signature (see Index enumerator declaration) + +Signature: + +```c++ +void SetIndexedPropertyHandler(v8::Local tpl, + Nan::IndexGetterCallback getter, + Nan::IndexSetterCallback setter = 0, + Nan::IndexQueryCallback query = 0, + Nan::IndexDeleterCallback deleter = 0, + Nan::IndexEnumeratorCallback enumerator = 0, + v8::Local data = v8::Local()) +``` + +See the V8 [`ObjectTemplate#SetIndexedPropertyHandler()`](https://v8docs.nodesource.com/node-8.16/db/d5f/classv8_1_1_object_template.html#ac89f06d634add0e890452033f7d17ff1) for further information about how to use `Nan::SetIndexedPropertyHandler()`. + + +### Nan::SetTemplate() + +Adds properties on an `Object`'s or `Function`'s template. + +Signature: + +```c++ +void Nan::SetTemplate(v8::Local templ, + const char *name, + v8::Local value); +void Nan::SetTemplate(v8::Local templ, + v8::Local name, + v8::Local value, + v8::PropertyAttribute attributes) +``` + +Calls the `Template`'s [`Set()`](https://v8docs.nodesource.com/node-8.16/db/df7/classv8_1_1_template.html#ae3fbaff137557aa6a0233bc7e52214ac). + + +### Nan::SetPrototypeTemplate() + +Adds properties on an `Object`'s or `Function`'s prototype template. + +Signature: + +```c++ +void Nan::SetPrototypeTemplate(v8::Local templ, + const char *name, + v8::Local value); +void Nan::SetPrototypeTemplate(v8::Local templ, + v8::Local name, + v8::Local value, + v8::PropertyAttribute attributes) +``` + +Calls the `FunctionTemplate`'s _PrototypeTemplate's_ [`Set()`](https://v8docs.nodesource.com/node-8.16/db/df7/classv8_1_1_template.html#a2db6a56597bf23c59659c0659e564ddf). + + +### Nan::SetInstanceTemplate() + +Use to add instance properties on `FunctionTemplate`'s. + +Signature: + +```c++ +void Nan::SetInstanceTemplate(v8::Local templ, + const char *name, + v8::Local value); +void Nan::SetInstanceTemplate(v8::Local templ, + v8::Local name, + v8::Local value, + v8::PropertyAttribute attributes) +``` + +Calls the `FunctionTemplate`'s _InstanceTemplate's_ [`Set()`](https://v8docs.nodesource.com/node-8.16/db/df7/classv8_1_1_template.html#a2db6a56597bf23c59659c0659e564ddf). + + +### Nan::SetCallHandler() + +Set the call-handler callback for a `v8::FunctionTemplate`. +This callback is called whenever the function created from this FunctionTemplate is called. + +Signature: + +```c++ +void Nan::SetCallHandler(v8::Local templ, Nan::FunctionCallback callback, v8::Local data = v8::Local()) +``` + +Calls the `FunctionTemplate`'s [`SetCallHandler()`](https://v8docs.nodesource.com/node-8.16/d8/d83/classv8_1_1_function_template.html#ab7574b298db3c27fbc2ed465c08ea2f8). + + +### Nan::SetCallAsFunctionHandler() + +Sets the callback to be used when calling instances created from the `v8::ObjectTemplate` as a function. +If no callback is set, instances behave like normal JavaScript objects that cannot be called as a function. + +Signature: + +```c++ +void Nan::SetCallAsFunctionHandler(v8::Local templ, Nan::FunctionCallback callback, v8::Local data = v8::Local()) +``` + +Calls the `ObjectTemplate`'s [`SetCallAsFunctionHandler()`](https://v8docs.nodesource.com/node-8.16/db/d5f/classv8_1_1_object_template.html#a5e9612fc80bf6db8f2da199b9b0bd04e). + diff --git a/node_modules/nan/doc/new.md b/node_modules/nan/doc/new.md new file mode 100644 index 0000000..0f28a0e --- /dev/null +++ b/node_modules/nan/doc/new.md @@ -0,0 +1,147 @@ +## New + +NAN provides a `Nan::New()` helper for the creation of new JavaScript objects in a way that's compatible across the supported versions of V8. + + - Nan::New() + - Nan::Undefined() + - Nan::Null() + - Nan::True() + - Nan::False() + - Nan::EmptyString() + + + +### Nan::New() + +`Nan::New()` should be used to instantiate new JavaScript objects. + +Refer to the specific V8 type in the [V8 documentation](https://v8docs.nodesource.com/node-8.16/d1/d83/classv8_1_1_data.html) for information on the types of arguments required for instantiation. + +Signatures: + +Return types are mostly omitted from the signatures for simplicity. In most cases the type will be contained within a `v8::Local`. The following types will be contained within a `Nan::MaybeLocal`: `v8::String`, `v8::Date`, `v8::RegExp`, `v8::Script`, `v8::UnboundScript`. + +Empty objects: + +```c++ +Nan::New(); +``` + +Generic single and multiple-argument: + +```c++ +Nan::New(A0 arg0); +Nan::New(A0 arg0, A1 arg1); +Nan::New(A0 arg0, A1 arg1, A2 arg2); +Nan::New(A0 arg0, A1 arg1, A2 arg2, A3 arg3); +``` + +For creating `v8::FunctionTemplate` and `v8::Function` objects: + +_The definition of `Nan::FunctionCallback` can be found in the [Method declaration](./methods.md#api_nan_method) documentation._ + +```c++ +Nan::New(Nan::FunctionCallback callback, + v8::Local data = v8::Local()); +Nan::New(Nan::FunctionCallback callback, + v8::Local data = v8::Local(), + A2 a2 = A2()); +``` + +Native number types: + +```c++ +v8::Local Nan::New(bool value); +v8::Local Nan::New(int32_t value); +v8::Local Nan::New(uint32_t value); +v8::Local Nan::New(double value); +``` + +String types: + +```c++ +Nan::MaybeLocal Nan::New(std::string const& value); +Nan::MaybeLocal Nan::New(const char * value, int length); +Nan::MaybeLocal Nan::New(const char * value); +Nan::MaybeLocal Nan::New(const uint16_t * value); +Nan::MaybeLocal Nan::New(const uint16_t * value, int length); +``` + +Specialized types: + +```c++ +v8::Local Nan::New(v8::String::ExternalStringResource * value); +v8::Local Nan::New(Nan::ExternalOneByteStringResource * value); +v8::Local Nan::New(v8::Local pattern, v8::RegExp::Flags flags); +``` + +Note that `Nan::ExternalOneByteStringResource` maps to [`v8::String::ExternalOneByteStringResource`](https://v8docs.nodesource.com/node-8.16/d9/db3/classv8_1_1_string_1_1_external_one_byte_string_resource.html), and `v8::String::ExternalAsciiStringResource` in older versions of V8. + + + +### Nan::Undefined() + +A helper method to reference the `v8::Undefined` object in a way that is compatible across all supported versions of V8. + +Signature: + +```c++ +v8::Local Nan::Undefined() +``` + + +### Nan::Null() + +A helper method to reference the `v8::Null` object in a way that is compatible across all supported versions of V8. + +Signature: + +```c++ +v8::Local Nan::Null() +``` + + +### Nan::True() + +A helper method to reference the `v8::Boolean` object representing the `true` value in a way that is compatible across all supported versions of V8. + +Signature: + +```c++ +v8::Local Nan::True() +``` + + +### Nan::False() + +A helper method to reference the `v8::Boolean` object representing the `false` value in a way that is compatible across all supported versions of V8. + +Signature: + +```c++ +v8::Local Nan::False() +``` + + +### Nan::EmptyString() + +Call [`v8::String::Empty`](https://v8docs.nodesource.com/node-8.16/d2/db3/classv8_1_1_string.html#a7c1bc8886115d7ee46f1d571dd6ebc6d) to reference the empty string in a way that is compatible across all supported versions of V8. + +Signature: + +```c++ +v8::Local Nan::EmptyString() +``` + + + +### Nan::NewOneByteString() + +An implementation of [`v8::String::NewFromOneByte()`](https://v8docs.nodesource.com/node-8.16/d2/db3/classv8_1_1_string.html#a5264d50b96d2c896ce525a734dc10f09) provided for consistent availability and API across supported versions of V8. Allocates a new string from Latin-1 data. + +Signature: + +```c++ +Nan::MaybeLocal Nan::NewOneByteString(const uint8_t * value, + int length = -1) +``` diff --git a/node_modules/nan/doc/node_misc.md b/node_modules/nan/doc/node_misc.md new file mode 100644 index 0000000..17578e3 --- /dev/null +++ b/node_modules/nan/doc/node_misc.md @@ -0,0 +1,123 @@ +## Miscellaneous Node Helpers + + - Nan::AsyncResource + - Nan::MakeCallback() + - NAN_MODULE_INIT() + - Nan::Export() + + +### Nan::AsyncResource + +This class is analogous to the `AsyncResource` JavaScript class exposed by Node's [async_hooks][] API. + +When calling back into JavaScript asynchronously, special care must be taken to ensure that the runtime can properly track +async hops. `Nan::AsyncResource` is a class that provides an RAII wrapper around `node::EmitAsyncInit`, `node::EmitAsyncDestroy`, +and `node::MakeCallback`. Using this mechanism to call back into JavaScript, as opposed to `Nan::MakeCallback` or +`v8::Function::Call` ensures that the callback is executed in the correct async context. This ensures that async mechanisms +such as domains and [async_hooks][] function correctly. + +Definition: + +```c++ +class AsyncResource { + public: + AsyncResource(v8::Local name, + v8::Local resource = New()); + AsyncResource(const char* name, + v8::Local resource = New()); + ~AsyncResource(); + + v8::MaybeLocal runInAsyncScope(v8::Local target, + v8::Local func, + int argc, + v8::Local* argv); + v8::MaybeLocal runInAsyncScope(v8::Local target, + v8::Local symbol, + int argc, + v8::Local* argv); + v8::MaybeLocal runInAsyncScope(v8::Local target, + const char* method, + int argc, + v8::Local* argv); +}; +``` + +* `name`: Identifier for the kind of resource that is being provided for diagnostics information exposed by the [async_hooks][] + API. This will be passed to the possible `init` hook as the `type`. To avoid name collisions with other modules we recommend + that the name include the name of the owning module as a prefix. For example `mysql` module could use something like + `mysql:batch-db-query-resource`. +* `resource`: An optional object associated with the async work that will be passed to the possible [async_hooks][] + `init` hook. If this parameter is omitted, or an empty handle is provided, this object will be created automatically. +* When calling JS on behalf of this resource, one can use `runInAsyncScope`. This will ensure that the callback runs in the + correct async execution context. +* `AsyncDestroy` is automatically called when an AsyncResource object is destroyed. + +For more details, see the Node [async_hooks][] documentation. You might also want to take a look at the documentation for the +[N-API counterpart][napi]. For example usage, see the `asyncresource.cpp` example in the `test/cpp` directory. + + +### Nan::MakeCallback() + +Deprecated wrappers around the legacy `node::MakeCallback()` APIs. Node.js 10+ +has deprecated these legacy APIs as they do not provide a mechanism to preserve +async context. + +We recommend that you use the `AsyncResource` class and `AsyncResource::runInAsyncScope` instead of using `Nan::MakeCallback` or +`v8::Function#Call()` directly. `AsyncResource` properly takes care of running the callback in the correct async execution +context – something that is essential for functionality like domains, async_hooks and async debugging. + +Signatures: + +```c++ +NAN_DEPRECATED +v8::Local Nan::MakeCallback(v8::Local target, + v8::Local func, + int argc, + v8::Local* argv); +NAN_DEPRECATED +v8::Local Nan::MakeCallback(v8::Local target, + v8::Local symbol, + int argc, + v8::Local* argv); +NAN_DEPRECATED +v8::Local Nan::MakeCallback(v8::Local target, + const char* method, + int argc, + v8::Local* argv); +``` + + + +### NAN_MODULE_INIT() + +Used to define the entry point function to a Node add-on. Creates a function with a given `name` that receives a `target` object representing the equivalent of the JavaScript `exports` object. + +See example below. + + +### Nan::Export() + +A simple helper to register a `v8::FunctionTemplate` from a JavaScript-accessible method (see [Methods](./methods.md)) as a property on an object. Can be used in a way similar to assigning properties to `module.exports` in JavaScript. + +Signature: + +```c++ +void Export(v8::Local target, const char *name, Nan::FunctionCallback f) +``` + +Also available as the shortcut `NAN_EXPORT` macro. + +Example: + +```c++ +NAN_METHOD(Foo) { + ... +} + +NAN_MODULE_INIT(Init) { + NAN_EXPORT(target, Foo); +} +``` + +[async_hooks]: https://nodejs.org/dist/latest-v9.x/docs/api/async_hooks.html +[napi]: https://nodejs.org/dist/latest-v9.x/docs/api/n-api.html#n_api_custom_asynchronous_operations diff --git a/node_modules/nan/doc/object_wrappers.md b/node_modules/nan/doc/object_wrappers.md new file mode 100644 index 0000000..07d8c05 --- /dev/null +++ b/node_modules/nan/doc/object_wrappers.md @@ -0,0 +1,263 @@ +## Object Wrappers + +The `ObjectWrap` class can be used to make wrapped C++ objects and a factory of wrapped objects. + + - Nan::ObjectWrap + + + +### Nan::ObjectWrap() + +A reimplementation of `node::ObjectWrap` that adds some API not present in older versions of Node. Should be preferred over `node::ObjectWrap` in all cases for consistency. + +Definition: + +```c++ +class ObjectWrap { + public: + ObjectWrap(); + + virtual ~ObjectWrap(); + + template + static inline T* Unwrap(v8::Local handle); + + inline v8::Local handle(); + + inline Nan::Persistent& persistent(); + + protected: + inline void Wrap(v8::Local handle); + + inline void MakeWeak(); + + /* Ref() marks the object as being attached to an event loop. + * Refed objects will not be garbage collected, even if + * all references are lost. + */ + virtual void Ref(); + + /* Unref() marks an object as detached from the event loop. This is its + * default state. When an object with a "weak" reference changes from + * attached to detached state it will be freed. Be careful not to access + * the object after making this call as it might be gone! + * (A "weak reference" means an object that only has a + * persistent handle.) + * + * DO NOT CALL THIS FROM DESTRUCTOR + */ + virtual void Unref(); + + int refs_; // ro +}; +``` + +See the Node documentation on [Wrapping C++ Objects](https://nodejs.org/api/addons.html#addons_wrapping_c_objects) for more details. + +### This vs. Holder + +When calling `Unwrap`, it is important that the argument is indeed some JavaScript object which got wrapped by a `Wrap` call for this class or any derived class. +The `Signature` installed by [`Nan::SetPrototypeMethod()`](methods.md#api_nan_set_prototype_method) does ensure that `info.Holder()` is just such an instance. +In Node 0.12 and later, `info.This()` will also be of such a type, since otherwise the invocation will get rejected. +However, in Node 0.10 and before it was possible to invoke a method on a JavaScript object which just had the extension type in its prototype chain. +In such a situation, calling `Unwrap` on `info.This()` will likely lead to a failed assertion causing a crash, but could lead to even more serious corruption. + +On the other hand, calling `Unwrap` in an [accessor](methods.md#api_nan_set_accessor) should not use `Holder()` if the accessor is defined on the prototype. +So either define your accessors on the instance template, +or use `This()` after verifying that it is indeed a valid object. + +### Examples + +#### Basic + +```c++ +class MyObject : public Nan::ObjectWrap { + public: + static NAN_MODULE_INIT(Init) { + v8::Local tpl = Nan::New(New); + tpl->SetClassName(Nan::New("MyObject").ToLocalChecked()); + tpl->InstanceTemplate()->SetInternalFieldCount(1); + + Nan::SetPrototypeMethod(tpl, "getHandle", GetHandle); + Nan::SetPrototypeMethod(tpl, "getValue", GetValue); + + constructor().Reset(Nan::GetFunction(tpl).ToLocalChecked()); + Nan::Set(target, Nan::New("MyObject").ToLocalChecked(), + Nan::GetFunction(tpl).ToLocalChecked()); + } + + private: + explicit MyObject(double value = 0) : value_(value) {} + ~MyObject() {} + + static NAN_METHOD(New) { + if (info.IsConstructCall()) { + double value = info[0]->IsUndefined() ? 0 : Nan::To(info[0]).FromJust(); + MyObject *obj = new MyObject(value); + obj->Wrap(info.This()); + info.GetReturnValue().Set(info.This()); + } else { + const int argc = 1; + v8::Local argv[argc] = {info[0]}; + v8::Local cons = Nan::New(constructor()); + info.GetReturnValue().Set(Nan::NewInstance(cons, argc, argv).ToLocalChecked()); + } + } + + static NAN_METHOD(GetHandle) { + MyObject* obj = Nan::ObjectWrap::Unwrap(info.Holder()); + info.GetReturnValue().Set(obj->handle()); + } + + static NAN_METHOD(GetValue) { + MyObject* obj = Nan::ObjectWrap::Unwrap(info.Holder()); + info.GetReturnValue().Set(obj->value_); + } + + static inline Nan::Persistent & constructor() { + static Nan::Persistent my_constructor; + return my_constructor; + } + + double value_; +}; + +NODE_MODULE(objectwrapper, MyObject::Init) +``` + +To use in Javascript: + +```Javascript +var objectwrapper = require('bindings')('objectwrapper'); + +var obj = new objectwrapper.MyObject(5); +console.log('Should be 5: ' + obj.getValue()); +``` + +#### Factory of wrapped objects + +```c++ +class MyFactoryObject : public Nan::ObjectWrap { + public: + static NAN_MODULE_INIT(Init) { + v8::Local tpl = Nan::New(New); + tpl->InstanceTemplate()->SetInternalFieldCount(1); + + Nan::SetPrototypeMethod(tpl, "getValue", GetValue); + + constructor().Reset(Nan::GetFunction(tpl).ToLocalChecked()); + } + + static NAN_METHOD(NewInstance) { + v8::Local cons = Nan::New(constructor()); + double value = info[0]->IsNumber() ? Nan::To(info[0]).FromJust() : 0; + const int argc = 1; + v8::Local argv[1] = {Nan::New(value)}; + info.GetReturnValue().Set(Nan::NewInstance(cons, argc, argv).ToLocalChecked()); + } + + // Needed for the next example: + inline double value() const { + return value_; + } + + private: + explicit MyFactoryObject(double value = 0) : value_(value) {} + ~MyFactoryObject() {} + + static NAN_METHOD(New) { + if (info.IsConstructCall()) { + double value = info[0]->IsNumber() ? Nan::To(info[0]).FromJust() : 0; + MyFactoryObject * obj = new MyFactoryObject(value); + obj->Wrap(info.This()); + info.GetReturnValue().Set(info.This()); + } else { + const int argc = 1; + v8::Local argv[argc] = {info[0]}; + v8::Local cons = Nan::New(constructor()); + info.GetReturnValue().Set(Nan::NewInstance(cons, argc, argv).ToLocalChecked()); + } + } + + static NAN_METHOD(GetValue) { + MyFactoryObject* obj = ObjectWrap::Unwrap(info.Holder()); + info.GetReturnValue().Set(obj->value_); + } + + static inline Nan::Persistent & constructor() { + static Nan::Persistent my_constructor; + return my_constructor; + } + + double value_; +}; + +NAN_MODULE_INIT(Init) { + MyFactoryObject::Init(target); + Nan::Set(target, + Nan::New("newFactoryObjectInstance").ToLocalChecked(), + Nan::GetFunction( + Nan::New(MyFactoryObject::NewInstance)).ToLocalChecked() + ); +} + +NODE_MODULE(wrappedobjectfactory, Init) +``` + +To use in Javascript: + +```Javascript +var wrappedobjectfactory = require('bindings')('wrappedobjectfactory'); + +var obj = wrappedobjectfactory.newFactoryObjectInstance(10); +console.log('Should be 10: ' + obj.getValue()); +``` + +#### Passing wrapped objects around + +Use the `MyFactoryObject` class above along with the following: + +```c++ +static NAN_METHOD(Sum) { + Nan::MaybeLocal maybe1 = Nan::To(info[0]); + Nan::MaybeLocal maybe2 = Nan::To(info[1]); + + // Quick check: + if (maybe1.IsEmpty() || maybe2.IsEmpty()) { + // return value is undefined by default + return; + } + + MyFactoryObject* obj1 = + Nan::ObjectWrap::Unwrap(maybe1.ToLocalChecked()); + MyFactoryObject* obj2 = + Nan::ObjectWrap::Unwrap(maybe2.ToLocalChecked()); + + info.GetReturnValue().Set(Nan::New(obj1->value() + obj2->value())); +} + +NAN_MODULE_INIT(Init) { + MyFactoryObject::Init(target); + Nan::Set(target, + Nan::New("newFactoryObjectInstance").ToLocalChecked(), + Nan::GetFunction( + Nan::New(MyFactoryObject::NewInstance)).ToLocalChecked() + ); + Nan::Set(target, + Nan::New("sum").ToLocalChecked(), + Nan::GetFunction(Nan::New(Sum)).ToLocalChecked() + ); +} + +NODE_MODULE(myaddon, Init) +``` + +To use in Javascript: + +```Javascript +var myaddon = require('bindings')('myaddon'); + +var obj1 = myaddon.newFactoryObjectInstance(5); +var obj2 = myaddon.newFactoryObjectInstance(10); +console.log('sum of object values: ' + myaddon.sum(obj1, obj2)); +``` diff --git a/node_modules/nan/doc/persistent.md b/node_modules/nan/doc/persistent.md new file mode 100644 index 0000000..2e13f6b --- /dev/null +++ b/node_modules/nan/doc/persistent.md @@ -0,0 +1,296 @@ +## Persistent references + +An object reference that is independent of any `HandleScope` is a _persistent_ reference. Where a `Local` handle only lives as long as the `HandleScope` in which it was allocated, a `Persistent` handle remains valid until it is explicitly disposed. + +Due to the evolution of the V8 API, it is necessary for NAN to provide a wrapper implementation of the `Persistent` classes to supply compatibility across the V8 versions supported. + + - Nan::PersistentBase & v8::PersistentBase + - Nan::NonCopyablePersistentTraits & v8::NonCopyablePersistentTraits + - Nan::CopyablePersistentTraits & v8::CopyablePersistentTraits + - Nan::Persistent + - Nan::Global + - Nan::WeakCallbackInfo + - Nan::WeakCallbackType + +Also see the V8 Embedders Guide section on [Handles and Garbage Collection](https://developers.google.com/v8/embed#handles). + + +### Nan::PersistentBase & v8::PersistentBase + +A persistent handle contains a reference to a storage cell in V8 which holds an object value and which is updated by the garbage collector whenever the object is moved. A new storage cell can be created using the constructor or `Nan::PersistentBase::Reset()`. Existing handles can be disposed using an argument-less `Nan::PersistentBase::Reset()`. + +Definition: + +_(note: this is implemented as `Nan::PersistentBase` for older versions of V8 and the native `v8::PersistentBase` is used for newer versions of V8)_ + +```c++ +template class PersistentBase { + public: + /** + * If non-empty, destroy the underlying storage cell + */ + void Reset(); + + /** + * If non-empty, destroy the underlying storage cell and create a new one with + * the contents of another if it is also non-empty + */ + template void Reset(const v8::Local &other); + + /** + * If non-empty, destroy the underlying storage cell and create a new one with + * the contents of another if it is also non-empty + */ + template void Reset(const PersistentBase &other); + + /** Returns true if the handle is empty. */ + bool IsEmpty() const; + + /** + * If non-empty, destroy the underlying storage cell + * IsEmpty() will return true after this call. + */ + void Empty(); + + template bool operator==(const PersistentBase &that); + + template bool operator==(const v8::Local &that); + + template bool operator!=(const PersistentBase &that); + + template bool operator!=(const v8::Local &that); + + /** + * Install a finalization callback on this object. + * NOTE: There is no guarantee as to *when* or even *if* the callback is + * invoked. The invocation is performed solely on a best effort basis. + * As always, GC-based finalization should *not* be relied upon for any + * critical form of resource management! At the moment you can either + * specify a parameter for the callback or the location of two internal + * fields in the dying object. + */ + template + void SetWeak(P *parameter, + typename WeakCallbackInfo

::Callback callback, + WeakCallbackType type); + + void ClearWeak(); + + /** + * Marks the reference to this object independent. Garbage collector is free + * to ignore any object groups containing this object. Weak callback for an + * independent handle should not assume that it will be preceded by a global + * GC prologue callback or followed by a global GC epilogue callback. + */ + void MarkIndependent() const; + + bool IsIndependent() const; + + /** Checks if the handle holds the only reference to an object. */ + bool IsNearDeath() const; + + /** Returns true if the handle's reference is weak. */ + bool IsWeak() const +}; +``` + +See the V8 documentation for [`PersistentBase`](https://v8docs.nodesource.com/node-8.16/d4/dca/classv8_1_1_persistent_base.html) for further information. + +**Tip:** To get a `v8::Local` reference to the original object back from a `PersistentBase` or `Persistent` object: + +```c++ +v8::Local object = Nan::New(persistent); +``` + + +### Nan::NonCopyablePersistentTraits & v8::NonCopyablePersistentTraits + +Default traits for `Nan::Persistent`. This class does not allow use of the a copy constructor or assignment operator. At present `kResetInDestructor` is not set, but that will change in a future version. + +Definition: + +_(note: this is implemented as `Nan::NonCopyablePersistentTraits` for older versions of V8 and the native `v8::NonCopyablePersistentTraits` is used for newer versions of V8)_ + +```c++ +template class NonCopyablePersistentTraits { + public: + typedef Persistent > NonCopyablePersistent; + + static const bool kResetInDestructor = false; + + template + static void Copy(const Persistent &source, + NonCopyablePersistent *dest); + + template static void Uncompilable(); +}; +``` + +See the V8 documentation for [`NonCopyablePersistentTraits`](https://v8docs.nodesource.com/node-8.16/de/d73/classv8_1_1_non_copyable_persistent_traits.html) for further information. + + +### Nan::CopyablePersistentTraits & v8::CopyablePersistentTraits + +A helper class of traits to allow copying and assignment of `Persistent`. This will clone the contents of storage cell, but not any of the flags, etc.. + +Definition: + +_(note: this is implemented as `Nan::CopyablePersistentTraits` for older versions of V8 and the native `v8::NonCopyablePersistentTraits` is used for newer versions of V8)_ + +```c++ +template +class CopyablePersistentTraits { + public: + typedef Persistent > CopyablePersistent; + + static const bool kResetInDestructor = true; + + template + static void Copy(const Persistent &source, + CopyablePersistent *dest); +}; +``` + +See the V8 documentation for [`CopyablePersistentTraits`](https://v8docs.nodesource.com/node-8.16/da/d5c/structv8_1_1_copyable_persistent_traits.html) for further information. + + +### Nan::Persistent + +A type of `PersistentBase` which allows copy and assignment. Copy, assignment and destructor behavior is controlled by the traits class `M`. + +Definition: + +```c++ +template > +class Persistent; + +template class Persistent : public PersistentBase { + public: + /** + * A Persistent with no storage cell. + */ + Persistent(); + + /** + * Construct a Persistent from a v8::Local. When the v8::Local is non-empty, a + * new storage cell is created pointing to the same object, and no flags are + * set. + */ + template Persistent(v8::Local that); + + /** + * Construct a Persistent from a Persistent. When the Persistent is non-empty, + * a new storage cell is created pointing to the same object, and no flags are + * set. + */ + Persistent(const Persistent &that); + + /** + * The copy constructors and assignment operator create a Persistent exactly + * as the Persistent constructor, but the Copy function from the traits class + * is called, allowing the setting of flags based on the copied Persistent. + */ + Persistent &operator=(const Persistent &that); + + template + Persistent &operator=(const Persistent &that); + + /** + * The destructor will dispose the Persistent based on the kResetInDestructor + * flags in the traits class. Since not calling dispose can result in a + * memory leak, it is recommended to always set this flag. + */ + ~Persistent(); +}; +``` + +See the V8 documentation for [`Persistent`](https://v8docs.nodesource.com/node-8.16/d2/d78/classv8_1_1_persistent.html) for further information. + + +### Nan::Global + +A type of `PersistentBase` which has move semantics. + +```c++ +template class Global : public PersistentBase { + public: + /** + * A Global with no storage cell. + */ + Global(); + + /** + * Construct a Global from a v8::Local. When the v8::Local is non-empty, a new + * storage cell is created pointing to the same object, and no flags are set. + */ + template Global(v8::Local that); + /** + * Construct a Global from a PersistentBase. When the Persistent is non-empty, + * a new storage cell is created pointing to the same object, and no flags are + * set. + */ + template Global(const PersistentBase &that); + + /** + * Pass allows returning globals from functions, etc. + */ + Global Pass(); +}; +``` + +See the V8 documentation for [`Global`](https://v8docs.nodesource.com/node-8.16/d5/d40/classv8_1_1_global.html) for further information. + + +### Nan::WeakCallbackInfo + +`Nan::WeakCallbackInfo` is used as an argument when setting a persistent reference as weak. You may need to free any external resources attached to the object. It is a mirror of `v8:WeakCallbackInfo` as found in newer versions of V8. + +Definition: + +```c++ +template class WeakCallbackInfo { + public: + typedef void (*Callback)(const WeakCallbackInfo& data); + + v8::Isolate *GetIsolate() const; + + /** + * Get the parameter that was associated with the weak handle. + */ + T *GetParameter() const; + + /** + * Get pointer from internal field, index can be 0 or 1. + */ + void *GetInternalField(int index) const; +}; +``` + +Example usage: + +```c++ +void weakCallback(const WeakCallbackInfo &data) { + int *parameter = data.GetParameter(); + delete parameter; +} + +Persistent obj; +int *data = new int(0); +obj.SetWeak(data, callback, WeakCallbackType::kParameter); +``` + +See the V8 documentation for [`WeakCallbackInfo`](https://v8docs.nodesource.com/node-8.16/d8/d06/classv8_1_1_weak_callback_info.html) for further information. + + +### Nan::WeakCallbackType + +Represents the type of a weak callback. +A weak callback of type `kParameter` makes the supplied parameter to `Nan::PersistentBase::SetWeak` available through `WeakCallbackInfo::GetParameter`. +A weak callback of type `kInternalFields` uses up to two internal fields at indices 0 and 1 on the `Nan::PersistentBase` being made weak. +Note that only `v8::Object`s and derivatives can have internal fields. + +Definition: + +```c++ +enum class WeakCallbackType { kParameter, kInternalFields }; +``` diff --git a/node_modules/nan/doc/scopes.md b/node_modules/nan/doc/scopes.md new file mode 100644 index 0000000..84000ee --- /dev/null +++ b/node_modules/nan/doc/scopes.md @@ -0,0 +1,73 @@ +## Scopes + +A _local handle_ is a pointer to an object. All V8 objects are accessed using handles, they are necessary because of the way the V8 garbage collector works. + +A handle scope can be thought of as a container for any number of handles. When you've finished with your handles, instead of deleting each one individually you can simply delete their scope. + +The creation of `HandleScope` objects is different across the supported versions of V8. Therefore, NAN provides its own implementations that can be used safely across these. + + - Nan::HandleScope + - Nan::EscapableHandleScope + +Also see the V8 Embedders Guide section on [Handles and Garbage Collection](https://github.com/v8/v8/wiki/Embedder%27s%20Guide#handles-and-garbage-collection). + + +### Nan::HandleScope + +A simple wrapper around [`v8::HandleScope`](https://v8docs.nodesource.com/node-8.16/d3/d95/classv8_1_1_handle_scope.html). + +Definition: + +```c++ +class Nan::HandleScope { + public: + Nan::HandleScope(); + static int NumberOfHandles(); +}; +``` + +Allocate a new `Nan::HandleScope` whenever you are creating new V8 JavaScript objects. Note that an implicit `HandleScope` is created for you on JavaScript-accessible methods so you do not need to insert one yourself. + +Example: + +```c++ +// new object is created, it needs a new scope: +void Pointless() { + Nan::HandleScope scope; + v8::Local obj = Nan::New(); +} + +// JavaScript-accessible method already has a HandleScope +NAN_METHOD(Pointless2) { + v8::Local obj = Nan::New(); +} +``` + + +### Nan::EscapableHandleScope + +Similar to [`Nan::HandleScope`](#api_nan_handle_scope) but should be used in cases where a function needs to return a V8 JavaScript type that has been created within it. + +Definition: + +```c++ +class Nan::EscapableHandleScope { + public: + Nan::EscapableHandleScope(); + static int NumberOfHandles(); + template v8::Local Escape(v8::Local value); +} +``` + +Use `Escape(value)` to return the object. + +Example: + +```c++ +v8::Local EmptyObj() { + Nan::EscapableHandleScope scope; + v8::Local obj = Nan::New(); + return scope.Escape(obj); +} +``` + diff --git a/node_modules/nan/doc/script.md b/node_modules/nan/doc/script.md new file mode 100644 index 0000000..213320a --- /dev/null +++ b/node_modules/nan/doc/script.md @@ -0,0 +1,38 @@ +## Script + +NAN provides a `v8::Script` helpers as the API has changed over the supported versions of V8. + + - Nan::CompileScript() + - Nan::RunScript() + + + +### Nan::CompileScript() + +A wrapper around [`v8::ScriptCompiler::Compile()`](https://v8docs.nodesource.com/node-8.16/da/da5/classv8_1_1_script_compiler.html#a93f5072a0db55d881b969e9fc98e564b). + +Note that `Nan::BoundScript` is an alias for `v8::Script`. + +Signature: + +```c++ +Nan::MaybeLocal Nan::CompileScript( + v8::Local s, + const v8::ScriptOrigin& origin); +Nan::MaybeLocal Nan::CompileScript(v8::Local s); +``` + + + +### Nan::RunScript() + +Calls `script->Run()` or `script->BindToCurrentContext()->Run(Nan::GetCurrentContext())`. + +Note that `Nan::BoundScript` is an alias for `v8::Script` and `Nan::UnboundScript` is an alias for `v8::UnboundScript` where available and `v8::Script` on older versions of V8. + +Signature: + +```c++ +Nan::MaybeLocal Nan::RunScript(v8::Local script) +Nan::MaybeLocal Nan::RunScript(v8::Local script) +``` diff --git a/node_modules/nan/doc/string_bytes.md b/node_modules/nan/doc/string_bytes.md new file mode 100644 index 0000000..7c1bd32 --- /dev/null +++ b/node_modules/nan/doc/string_bytes.md @@ -0,0 +1,62 @@ +## Strings & Bytes + +Miscellaneous string & byte encoding and decoding functionality provided for compatibility across supported versions of V8 and Node. Implemented by NAN to ensure that all encoding types are supported, even for older versions of Node where they are missing. + + - Nan::Encoding + - Nan::Encode() + - Nan::DecodeBytes() + - Nan::DecodeWrite() + + + +### Nan::Encoding + +An enum representing the supported encoding types. A copy of `node::encoding` that is consistent across versions of Node. + +Definition: + +```c++ +enum Nan::Encoding { ASCII, UTF8, BASE64, UCS2, BINARY, HEX, BUFFER } +``` + + + +### Nan::Encode() + +A wrapper around `node::Encode()` that provides a consistent implementation across supported versions of Node. + +Signature: + +```c++ +v8::Local Nan::Encode(const void *buf, + size_t len, + enum Nan::Encoding encoding = BINARY); +``` + + + +### Nan::DecodeBytes() + +A wrapper around `node::DecodeBytes()` that provides a consistent implementation across supported versions of Node. + +Signature: + +```c++ +ssize_t Nan::DecodeBytes(v8::Local val, + enum Nan::Encoding encoding = BINARY); +``` + + + +### Nan::DecodeWrite() + +A wrapper around `node::DecodeWrite()` that provides a consistent implementation across supported versions of Node. + +Signature: + +```c++ +ssize_t Nan::DecodeWrite(char *buf, + size_t len, + v8::Local val, + enum Nan::Encoding encoding = BINARY); +``` diff --git a/node_modules/nan/doc/v8_internals.md b/node_modules/nan/doc/v8_internals.md new file mode 100644 index 0000000..08dd6d0 --- /dev/null +++ b/node_modules/nan/doc/v8_internals.md @@ -0,0 +1,199 @@ +## V8 internals + +The hooks to access V8 internals—including GC and statistics—are different across the supported versions of V8, therefore NAN provides its own hooks that call the appropriate V8 methods. + + - NAN_GC_CALLBACK() + - Nan::AddGCEpilogueCallback() + - Nan::RemoveGCEpilogueCallback() + - Nan::AddGCPrologueCallback() + - Nan::RemoveGCPrologueCallback() + - Nan::GetHeapStatistics() + - Nan::SetCounterFunction() + - Nan::SetCreateHistogramFunction() + - Nan::SetAddHistogramSampleFunction() + - Nan::IdleNotification() + - Nan::LowMemoryNotification() + - Nan::ContextDisposedNotification() + - Nan::GetInternalFieldPointer() + - Nan::SetInternalFieldPointer() + - Nan::AdjustExternalMemory() + + + +### NAN_GC_CALLBACK(callbackname) + +Use `NAN_GC_CALLBACK` to declare your callbacks for `Nan::AddGCPrologueCallback()` and `Nan::AddGCEpilogueCallback()`. Your new method receives the arguments `v8::GCType type` and `v8::GCCallbackFlags flags`. + +```c++ +static Nan::Persistent callback; + +NAN_GC_CALLBACK(gcPrologueCallback) { + v8::Local argv[] = { Nan::New("prologue").ToLocalChecked() }; + Nan::MakeCallback(Nan::GetCurrentContext()->Global(), Nan::New(callback), 1, argv); +} + +NAN_METHOD(Hook) { + callback.Reset(To(args[0]).ToLocalChecked()); + Nan::AddGCPrologueCallback(gcPrologueCallback); + info.GetReturnValue().Set(info.Holder()); +} +``` + + +### Nan::AddGCEpilogueCallback() + +Signature: + +```c++ +void Nan::AddGCEpilogueCallback(v8::Isolate::GCEpilogueCallback callback, v8::GCType gc_type_filter = v8::kGCTypeAll) +``` + +Calls V8's [`AddGCEpilogueCallback()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a580f976e4290cead62c2fc4dd396be3e). + + +### Nan::RemoveGCEpilogueCallback() + +Signature: + +```c++ +void Nan::RemoveGCEpilogueCallback(v8::Isolate::GCEpilogueCallback callback) +``` + +Calls V8's [`RemoveGCEpilogueCallback()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#adca9294555a3908e9f23c7bb0f0f284c). + + +### Nan::AddGCPrologueCallback() + +Signature: + +```c++ +void Nan::AddGCPrologueCallback(v8::Isolate::GCPrologueCallback, v8::GCType gc_type_filter callback) +``` + +Calls V8's [`AddGCPrologueCallback()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a6dbef303603ebdb03da6998794ea05b8). + + +### Nan::RemoveGCPrologueCallback() + +Signature: + +```c++ +void Nan::RemoveGCPrologueCallback(v8::Isolate::GCPrologueCallback callback) +``` + +Calls V8's [`RemoveGCPrologueCallback()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a5f72c7cda21415ce062bbe5c58abe09e). + + +### Nan::GetHeapStatistics() + +Signature: + +```c++ +void Nan::GetHeapStatistics(v8::HeapStatistics *heap_statistics) +``` + +Calls V8's [`GetHeapStatistics()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a5593ac74687b713095c38987e5950b34). + + +### Nan::SetCounterFunction() + +Signature: + +```c++ +void Nan::SetCounterFunction(v8::CounterLookupCallback cb) +``` + +Calls V8's [`SetCounterFunction()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a045d7754e62fa0ec72ae6c259b29af94). + + +### Nan::SetCreateHistogramFunction() + +Signature: + +```c++ +void Nan::SetCreateHistogramFunction(v8::CreateHistogramCallback cb) +``` + +Calls V8's [`SetCreateHistogramFunction()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a542d67e85089cb3f92aadf032f99e732). + + +### Nan::SetAddHistogramSampleFunction() + +Signature: + +```c++ +void Nan::SetAddHistogramSampleFunction(v8::AddHistogramSampleCallback cb) +``` + +Calls V8's [`SetAddHistogramSampleFunction()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#aeb420b690bc2c216882d6fdd00ddd3ea). + + +### Nan::IdleNotification() + +Signature: + +```c++ +bool Nan::IdleNotification(int idle_time_in_ms) +``` + +Calls V8's [`IdleNotification()` or `IdleNotificationDeadline()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#ad6a2a02657f5425ad460060652a5a118) depending on V8 version. + + +### Nan::LowMemoryNotification() + +Signature: + +```c++ +void Nan::LowMemoryNotification() +``` + +Calls V8's [`LowMemoryNotification()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a24647f61d6b41f69668094bdcd6ea91f). + + +### Nan::ContextDisposedNotification() + +Signature: + +```c++ +void Nan::ContextDisposedNotification() +``` + +Calls V8's [`ContextDisposedNotification()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#ad7f5dc559866343fe6cd8db1f134d48b). + + +### Nan::GetInternalFieldPointer() + +Gets a pointer to the internal field with at `index` from a V8 `Object` handle. + +Signature: + +```c++ +void* Nan::GetInternalFieldPointer(v8::Local object, int index) +``` + +Calls the Object's [`GetAlignedPointerFromInternalField()` or `GetPointerFromInternalField()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#a580ea84afb26c005d6762eeb9e3c308f) depending on the version of V8. + + +### Nan::SetInternalFieldPointer() + +Sets the value of the internal field at `index` on a V8 `Object` handle. + +Signature: + +```c++ +void Nan::SetInternalFieldPointer(v8::Local object, int index, void* value) +``` + +Calls the Object's [`SetAlignedPointerInInternalField()` or `SetPointerInInternalField()`](https://v8docs.nodesource.com/node-8.16/db/d85/classv8_1_1_object.html#ab3c57184263cf29963ef0017bec82281) depending on the version of V8. + + +### Nan::AdjustExternalMemory() + +Signature: + +```c++ +int Nan::AdjustExternalMemory(int bytesChange) +``` + +Calls V8's [`AdjustAmountOfExternalAllocatedMemory()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#ae1a59cac60409d3922582c4af675473e). + diff --git a/node_modules/nan/doc/v8_misc.md b/node_modules/nan/doc/v8_misc.md new file mode 100644 index 0000000..1bd46d3 --- /dev/null +++ b/node_modules/nan/doc/v8_misc.md @@ -0,0 +1,85 @@ +## Miscellaneous V8 Helpers + + - Nan::Utf8String + - Nan::GetCurrentContext() + - Nan::SetIsolateData() + - Nan::GetIsolateData() + - Nan::TypedArrayContents + + + +### Nan::Utf8String + +Converts an object to a UTF-8-encoded character array. If conversion to a string fails (e.g. due to an exception in the toString() method of the object) then the length() method returns 0 and the * operator returns NULL. The underlying memory used for this object is managed by the object. + +An implementation of [`v8::String::Utf8Value`](https://v8docs.nodesource.com/node-8.16/d4/d1b/classv8_1_1_string_1_1_utf8_value.html) that is consistent across all supported versions of V8. + +Definition: + +```c++ +class Nan::Utf8String { + public: + Nan::Utf8String(v8::Local from); + + int length() const; + + char* operator*(); + const char* operator*() const; +}; +``` + + +### Nan::GetCurrentContext() + +A call to [`v8::Isolate::GetCurrent()->GetCurrentContext()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a81c7a1ed7001ae2a65e89107f75fd053) that works across all supported versions of V8. + +Signature: + +```c++ +v8::Local Nan::GetCurrentContext() +``` + + +### Nan::SetIsolateData() + +A helper to provide a consistent API to [`v8::Isolate#SetData()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#a7acadfe7965997e9c386a05f098fbe36). + +Signature: + +```c++ +void Nan::SetIsolateData(v8::Isolate *isolate, T *data) +``` + + + +### Nan::GetIsolateData() + +A helper to provide a consistent API to [`v8::Isolate#GetData()`](https://v8docs.nodesource.com/node-8.16/d5/dda/classv8_1_1_isolate.html#aabd223436bc1100a787dadaa024c6257). + +Signature: + +```c++ +T *Nan::GetIsolateData(v8::Isolate *isolate) +``` + + +### Nan::TypedArrayContents + +A helper class for accessing the contents of an ArrayBufferView (aka a typedarray) from C++. If the input array is not a valid typedarray, then the data pointer of TypedArrayContents will default to `NULL` and the length will be 0. If the data pointer is not compatible with the alignment requirements of type, an assertion error will fail. + +Note that you must store a reference to the `array` object while you are accessing its contents. + +Definition: + +```c++ +template +class Nan::TypedArrayContents { + public: + TypedArrayContents(v8::Local array); + + size_t length() const; + + T* const operator*(); + const T* const operator*() const; +}; +``` diff --git a/node_modules/nan/include_dirs.js b/node_modules/nan/include_dirs.js new file mode 100644 index 0000000..4f1dfb4 --- /dev/null +++ b/node_modules/nan/include_dirs.js @@ -0,0 +1 @@ +console.log(require('path').relative('.', __dirname)); diff --git a/node_modules/nan/nan.h b/node_modules/nan/nan.h new file mode 100644 index 0000000..648e6e2 --- /dev/null +++ b/node_modules/nan/nan.h @@ -0,0 +1,2891 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors: + * - Rod Vagg + * - Benjamin Byholm + * - Trevor Norris + * - Nathan Rajlich + * - Brett Lawson + * - Ben Noordhuis + * - David Siegel + * - Michael Ira Krufky + * + * MIT License + * + * Version 2.14.1: current Node 14.0.0, Node 0.12: 0.12.18, Node 0.10: 0.10.48, iojs: 3.3.1 + * + * See https://github.com/nodejs/nan for the latest update to this file + **********************************************************************************/ + +#ifndef NAN_H_ +#define NAN_H_ + +#include + +#define NODE_0_10_MODULE_VERSION 11 +#define NODE_0_12_MODULE_VERSION 14 +#define ATOM_0_21_MODULE_VERSION 41 +#define IOJS_1_0_MODULE_VERSION 42 +#define IOJS_1_1_MODULE_VERSION 43 +#define IOJS_2_0_MODULE_VERSION 44 +#define IOJS_3_0_MODULE_VERSION 45 +#define NODE_4_0_MODULE_VERSION 46 +#define NODE_5_0_MODULE_VERSION 47 +#define NODE_6_0_MODULE_VERSION 48 +#define NODE_7_0_MODULE_VERSION 51 +#define NODE_8_0_MODULE_VERSION 57 +#define NODE_9_0_MODULE_VERSION 59 +#define NODE_10_0_MODULE_VERSION 64 +#define NODE_11_0_MODULE_VERSION 67 +#define NODE_12_0_MODULE_VERSION 72 +#define NODE_13_0_MODULE_VERSION 79 +#define NODE_14_0_MODULE_VERSION 83 + +#ifdef _MSC_VER +# define NAN_HAS_CPLUSPLUS_11 (_MSC_VER >= 1800) +#else +# define NAN_HAS_CPLUSPLUS_11 (__cplusplus >= 201103L) +#endif + +#if NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION && !NAN_HAS_CPLUSPLUS_11 +# error This version of node/NAN/v8 requires a C++11 compiler +#endif + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#if defined(_MSC_VER) +# pragma warning( push ) +# pragma warning( disable : 4530 ) +# include +# include +# include +# pragma warning( pop ) +#else +# include +# include +# include +#endif + +// uv helpers +#ifdef UV_VERSION_MAJOR +# ifndef UV_VERSION_PATCH +# define UV_VERSION_PATCH 0 +# endif +# define NAUV_UVVERSION ((UV_VERSION_MAJOR << 16) | \ + (UV_VERSION_MINOR << 8) | \ + (UV_VERSION_PATCH)) +#else +# define NAUV_UVVERSION 0x000b00 +#endif + +#if NAUV_UVVERSION < 0x000b0b +# ifdef WIN32 +# include +# else +# include +# endif +#endif + +namespace Nan { + +#define NAN_CONCAT(a, b) NAN_CONCAT_HELPER(a, b) +#define NAN_CONCAT_HELPER(a, b) a##b + +#define NAN_INLINE inline // TODO(bnoordhuis) Remove in v3.0.0. + +#if defined(__GNUC__) && \ + !(defined(V8_DISABLE_DEPRECATIONS) && V8_DISABLE_DEPRECATIONS) +# define NAN_DEPRECATED __attribute__((deprecated)) +#elif defined(_MSC_VER) && \ + !(defined(V8_DISABLE_DEPRECATIONS) && V8_DISABLE_DEPRECATIONS) +# define NAN_DEPRECATED __declspec(deprecated) +#else +# define NAN_DEPRECATED +#endif + +#if NAN_HAS_CPLUSPLUS_11 +# define NAN_DISALLOW_ASSIGN(CLASS) void operator=(const CLASS&) = delete; +# define NAN_DISALLOW_COPY(CLASS) CLASS(const CLASS&) = delete; +# define NAN_DISALLOW_MOVE(CLASS) \ + CLASS(CLASS&&) = delete; /* NOLINT(build/c++11) */ \ + void operator=(CLASS&&) = delete; +#else +# define NAN_DISALLOW_ASSIGN(CLASS) void operator=(const CLASS&); +# define NAN_DISALLOW_COPY(CLASS) CLASS(const CLASS&); +# define NAN_DISALLOW_MOVE(CLASS) +#endif + +#define NAN_DISALLOW_ASSIGN_COPY(CLASS) \ + NAN_DISALLOW_ASSIGN(CLASS) \ + NAN_DISALLOW_COPY(CLASS) + +#define NAN_DISALLOW_ASSIGN_MOVE(CLASS) \ + NAN_DISALLOW_ASSIGN(CLASS) \ + NAN_DISALLOW_MOVE(CLASS) + +#define NAN_DISALLOW_COPY_MOVE(CLASS) \ + NAN_DISALLOW_COPY(CLASS) \ + NAN_DISALLOW_MOVE(CLASS) + +#define NAN_DISALLOW_ASSIGN_COPY_MOVE(CLASS) \ + NAN_DISALLOW_ASSIGN(CLASS) \ + NAN_DISALLOW_COPY(CLASS) \ + NAN_DISALLOW_MOVE(CLASS) + +#define TYPE_CHECK(T, S) \ + while (false) { \ + *(static_cast(0)) = static_cast(0); \ + } + +//=== RegistrationFunction ===================================================== + +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + typedef v8::Handle ADDON_REGISTER_FUNCTION_ARGS_TYPE; +#else + typedef v8::Local ADDON_REGISTER_FUNCTION_ARGS_TYPE; +#endif + +#define NAN_MODULE_INIT(name) \ + void name(Nan::ADDON_REGISTER_FUNCTION_ARGS_TYPE target) + +#if NODE_MAJOR_VERSION >= 10 || \ + NODE_MAJOR_VERSION == 9 && NODE_MINOR_VERSION >= 3 +#define NAN_MODULE_WORKER_ENABLED(module_name, registration) \ + extern "C" NODE_MODULE_EXPORT void \ + NAN_CONCAT(node_register_module_v, NODE_MODULE_VERSION)( \ + v8::Local exports, v8::Local module, \ + v8::Local context) \ + { \ + registration(exports); \ + } +#else +#define NAN_MODULE_WORKER_ENABLED(module_name, registration) \ + NODE_MODULE(module_name, registration) +#endif + +//=== CallbackInfo ============================================================= + +#include "nan_callbacks.h" // NOLINT(build/include) + +//============================================================================== + +#if (NODE_MODULE_VERSION < NODE_0_12_MODULE_VERSION) +typedef v8::Script UnboundScript; +typedef v8::Script BoundScript; +#else +typedef v8::UnboundScript UnboundScript; +typedef v8::Script BoundScript; +#endif + +#if (NODE_MODULE_VERSION < ATOM_0_21_MODULE_VERSION) +typedef v8::String::ExternalAsciiStringResource + ExternalOneByteStringResource; +#else +typedef v8::String::ExternalOneByteStringResource + ExternalOneByteStringResource; +#endif + +#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION) +template +class NonCopyablePersistentTraits : + public v8::NonCopyablePersistentTraits {}; +template +class CopyablePersistentTraits : + public v8::CopyablePersistentTraits {}; + +template +class PersistentBase : + public v8::PersistentBase {}; + +template > +class Persistent; +#else +template class NonCopyablePersistentTraits; +template class PersistentBase; +template class WeakCallbackData; +template > +class Persistent; +#endif // NODE_MODULE_VERSION + +template +class Maybe { + public: + inline bool IsNothing() const { return !has_value_; } + inline bool IsJust() const { return has_value_; } + + inline T ToChecked() const { return FromJust(); } + inline void Check() const { FromJust(); } + + inline bool To(T* out) const { + if (IsJust()) *out = value_; + return IsJust(); + } + + inline T FromJust() const { +#if defined(V8_ENABLE_CHECKS) + assert(IsJust() && "FromJust is Nothing"); +#endif // V8_ENABLE_CHECKS + return value_; + } + + inline T FromMaybe(const T& default_value) const { + return has_value_ ? value_ : default_value; + } + + inline bool operator==(const Maybe &other) const { + return (IsJust() == other.IsJust()) && + (!IsJust() || FromJust() == other.FromJust()); + } + + inline bool operator!=(const Maybe &other) const { + return !operator==(other); + } + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + // Allow implicit conversions from v8::Maybe to Nan::Maybe. + Maybe(const v8::Maybe& that) // NOLINT(runtime/explicit) + : has_value_(that.IsJust()) + , value_(that.FromMaybe(T())) {} +#endif + + private: + Maybe() : has_value_(false) {} + explicit Maybe(const T& t) : has_value_(true), value_(t) {} + bool has_value_; + T value_; + + template + friend Maybe Nothing(); + template + friend Maybe Just(const U& u); +}; + +template +inline Maybe Nothing() { + return Maybe(); +} + +template +inline Maybe Just(const T& t) { + return Maybe(t); +} + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +# include "nan_maybe_43_inl.h" // NOLINT(build/include) +#else +# include "nan_maybe_pre_43_inl.h" // NOLINT(build/include) +#endif + +#include "nan_converters.h" // NOLINT(build/include) +#include "nan_new.h" // NOLINT(build/include) + +#if NAUV_UVVERSION < 0x000b17 +#define NAUV_WORK_CB(func) \ + void func(uv_async_t *async, int) +#else +#define NAUV_WORK_CB(func) \ + void func(uv_async_t *async) +#endif + +#if NAUV_UVVERSION >= 0x000b0b + +typedef uv_key_t nauv_key_t; + +inline int nauv_key_create(nauv_key_t *key) { + return uv_key_create(key); +} + +inline void nauv_key_delete(nauv_key_t *key) { + uv_key_delete(key); +} + +inline void* nauv_key_get(nauv_key_t *key) { + return uv_key_get(key); +} + +inline void nauv_key_set(nauv_key_t *key, void *value) { + uv_key_set(key, value); +} + +#else + +/* Implement thread local storage for older versions of libuv. + * This is essentially a backport of libuv commit 5d2434bf + * written by Ben Noordhuis, adjusted for names and inline. + */ + +#ifndef WIN32 + +typedef pthread_key_t nauv_key_t; + +inline int nauv_key_create(nauv_key_t* key) { + return -pthread_key_create(key, NULL); +} + +inline void nauv_key_delete(nauv_key_t* key) { + if (pthread_key_delete(*key)) + abort(); +} + +inline void* nauv_key_get(nauv_key_t* key) { + return pthread_getspecific(*key); +} + +inline void nauv_key_set(nauv_key_t* key, void* value) { + if (pthread_setspecific(*key, value)) + abort(); +} + +#else + +typedef struct { + DWORD tls_index; +} nauv_key_t; + +inline int nauv_key_create(nauv_key_t* key) { + key->tls_index = TlsAlloc(); + if (key->tls_index == TLS_OUT_OF_INDEXES) + return UV_ENOMEM; + return 0; +} + +inline void nauv_key_delete(nauv_key_t* key) { + if (TlsFree(key->tls_index) == FALSE) + abort(); + key->tls_index = TLS_OUT_OF_INDEXES; +} + +inline void* nauv_key_get(nauv_key_t* key) { + void* value = TlsGetValue(key->tls_index); + if (value == NULL) + if (GetLastError() != ERROR_SUCCESS) + abort(); + return value; +} + +inline void nauv_key_set(nauv_key_t* key, void* value) { + if (TlsSetValue(key->tls_index, value) == FALSE) + abort(); +} + +#endif +#endif + +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION +template +v8::Local New(v8::Handle); +#endif + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + typedef v8::WeakCallbackType WeakCallbackType; +#else +struct WeakCallbackType { + enum E {kParameter, kInternalFields}; + E type; + WeakCallbackType(E other) : type(other) {} // NOLINT(runtime/explicit) + inline bool operator==(E other) { return other == this->type; } + inline bool operator!=(E other) { return !operator==(other); } +}; +#endif + +template class WeakCallbackInfo; + +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION +# include "nan_persistent_12_inl.h" // NOLINT(build/include) +#else +# include "nan_persistent_pre_12_inl.h" // NOLINT(build/include) +#endif + +namespace imp { + static const size_t kMaxLength = 0x3fffffff; + // v8::String::REPLACE_INVALID_UTF8 was introduced + // in node.js v0.10.29 and v0.8.27. +#if NODE_MAJOR_VERSION > 0 || \ + NODE_MINOR_VERSION > 10 || \ + NODE_MINOR_VERSION == 10 && NODE_PATCH_VERSION >= 29 || \ + NODE_MINOR_VERSION == 8 && NODE_PATCH_VERSION >= 27 + static const unsigned kReplaceInvalidUtf8 = v8::String::REPLACE_INVALID_UTF8; +#else + static const unsigned kReplaceInvalidUtf8 = 0; +#endif +} // end of namespace imp + +//=== HandleScope ============================================================== + +class HandleScope { + v8::HandleScope scope; + + public: +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + inline HandleScope() : scope(v8::Isolate::GetCurrent()) {} + inline static int NumberOfHandles() { + return v8::HandleScope::NumberOfHandles(v8::Isolate::GetCurrent()); + } +#else + inline HandleScope() : scope() {} + inline static int NumberOfHandles() { + return v8::HandleScope::NumberOfHandles(); + } +#endif + + private: + // Make it hard to create heap-allocated or illegal handle scopes by + // disallowing certain operations. + HandleScope(const HandleScope &); + void operator=(const HandleScope &); + void *operator new(size_t size); + void operator delete(void *, size_t) { + abort(); + } +}; + +class EscapableHandleScope { + public: +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + inline EscapableHandleScope() : scope(v8::Isolate::GetCurrent()) {} + + inline static int NumberOfHandles() { + return v8::EscapableHandleScope::NumberOfHandles(v8::Isolate::GetCurrent()); + } + + template + inline v8::Local Escape(v8::Local value) { + return scope.Escape(value); + } + + private: + v8::EscapableHandleScope scope; +#else + inline EscapableHandleScope() : scope() {} + + inline static int NumberOfHandles() { + return v8::HandleScope::NumberOfHandles(); + } + + template + inline v8::Local Escape(v8::Local value) { + return scope.Close(value); + } + + private: + v8::HandleScope scope; +#endif + + private: + // Make it hard to create heap-allocated or illegal handle scopes by + // disallowing certain operations. + EscapableHandleScope(const EscapableHandleScope &); + void operator=(const EscapableHandleScope &); + void *operator new(size_t size); + void operator delete(void *, size_t) { + abort(); + } +}; + +//=== TryCatch ================================================================= + +class TryCatch { + v8::TryCatch try_catch_; + friend void FatalException(const TryCatch&); + + public: +#if NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION + TryCatch() : try_catch_(v8::Isolate::GetCurrent()) {} +#endif + + inline bool HasCaught() const { return try_catch_.HasCaught(); } + + inline bool CanContinue() const { return try_catch_.CanContinue(); } + + inline v8::Local ReThrow() { +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + return New(try_catch_.ReThrow()); +#else + return try_catch_.ReThrow(); +#endif + } + + inline v8::Local Exception() const { + return try_catch_.Exception(); + } + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + inline v8::MaybeLocal StackTrace() const { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(try_catch_.StackTrace(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); + } +#else + inline MaybeLocal StackTrace() const { + return try_catch_.StackTrace(); + } +#endif + + inline v8::Local Message() const { + return try_catch_.Message(); + } + + inline void Reset() { try_catch_.Reset(); } + + inline void SetVerbose(bool value) { try_catch_.SetVerbose(value); } + + inline void SetCaptureMessage(bool value) { + try_catch_.SetCaptureMessage(value); + } +}; + +v8::Local MakeCallback(v8::Local target, + v8::Local func, + int argc, + v8::Local* argv); +v8::Local MakeCallback(v8::Local target, + v8::Local symbol, + int argc, + v8::Local* argv); +v8::Local MakeCallback(v8::Local target, + const char* method, + int argc, + v8::Local* argv); + +// === AsyncResource =========================================================== + +class AsyncResource { + public: + AsyncResource( + v8::Local name + , v8::Local resource = New()) { +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + + if (resource.IsEmpty()) { + resource = New(); + } + + context = node::EmitAsyncInit(isolate, resource, name); +#endif + } + + AsyncResource( + const char* name + , v8::Local resource = New()) { +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + + if (resource.IsEmpty()) { + resource = New(); + } + + v8::Local name_string = + New(name).ToLocalChecked(); + context = node::EmitAsyncInit(isolate, resource, name_string); +#endif + } + + ~AsyncResource() { +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + node::EmitAsyncDestroy(isolate, context); +#endif + } + + inline MaybeLocal runInAsyncScope( + v8::Local target + , v8::Local func + , int argc + , v8::Local* argv) { +#if NODE_MODULE_VERSION < NODE_9_0_MODULE_VERSION + return MakeCallback(target, func, argc, argv); +#else + return node::MakeCallback( + v8::Isolate::GetCurrent(), target, func, argc, argv, context); +#endif + } + + inline MaybeLocal runInAsyncScope( + v8::Local target + , v8::Local symbol + , int argc + , v8::Local* argv) { +#if NODE_MODULE_VERSION < NODE_9_0_MODULE_VERSION + return MakeCallback(target, symbol, argc, argv); +#else + return node::MakeCallback( + v8::Isolate::GetCurrent(), target, symbol, argc, argv, context); +#endif + } + + inline MaybeLocal runInAsyncScope( + v8::Local target + , const char* method + , int argc + , v8::Local* argv) { +#if NODE_MODULE_VERSION < NODE_9_0_MODULE_VERSION + return MakeCallback(target, method, argc, argv); +#else + return node::MakeCallback( + v8::Isolate::GetCurrent(), target, method, argc, argv, context); +#endif + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(AsyncResource) +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + node::async_context context; +#endif +}; + +inline uv_loop_t* GetCurrentEventLoop() { +#if NODE_MAJOR_VERSION >= 10 || \ + NODE_MAJOR_VERSION == 9 && NODE_MINOR_VERSION >= 3 || \ + NODE_MAJOR_VERSION == 8 && NODE_MINOR_VERSION >= 10 + return node::GetCurrentEventLoop(v8::Isolate::GetCurrent()); +#else + return uv_default_loop(); +#endif +} + +//============ ================================================================= + +/* node 0.12 */ +#if NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION + inline + void SetCounterFunction(v8::CounterLookupCallback cb) { + v8::Isolate::GetCurrent()->SetCounterFunction(cb); + } + + inline + void SetCreateHistogramFunction(v8::CreateHistogramCallback cb) { + v8::Isolate::GetCurrent()->SetCreateHistogramFunction(cb); + } + + inline + void SetAddHistogramSampleFunction(v8::AddHistogramSampleCallback cb) { + v8::Isolate::GetCurrent()->SetAddHistogramSampleFunction(cb); + } + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + inline bool IdleNotification(int idle_time_in_ms) { + return v8::Isolate::GetCurrent()->IdleNotificationDeadline( + idle_time_in_ms * 0.001); + } +# else + inline bool IdleNotification(int idle_time_in_ms) { + return v8::Isolate::GetCurrent()->IdleNotification(idle_time_in_ms); + } +#endif + + inline void LowMemoryNotification() { + v8::Isolate::GetCurrent()->LowMemoryNotification(); + } + + inline void ContextDisposedNotification() { + v8::Isolate::GetCurrent()->ContextDisposedNotification(); + } +#else + inline + void SetCounterFunction(v8::CounterLookupCallback cb) { + v8::V8::SetCounterFunction(cb); + } + + inline + void SetCreateHistogramFunction(v8::CreateHistogramCallback cb) { + v8::V8::SetCreateHistogramFunction(cb); + } + + inline + void SetAddHistogramSampleFunction(v8::AddHistogramSampleCallback cb) { + v8::V8::SetAddHistogramSampleFunction(cb); + } + + inline bool IdleNotification(int idle_time_in_ms) { + return v8::V8::IdleNotification(idle_time_in_ms); + } + + inline void LowMemoryNotification() { + v8::V8::LowMemoryNotification(); + } + + inline void ContextDisposedNotification() { + v8::V8::ContextDisposedNotification(); + } +#endif + +#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION) // Node 0.12 + inline v8::Local Undefined() { +# if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(v8::Undefined(v8::Isolate::GetCurrent()))); +# else + return v8::Undefined(v8::Isolate::GetCurrent()); +# endif + } + + inline v8::Local Null() { +# if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(v8::Null(v8::Isolate::GetCurrent()))); +# else + return v8::Null(v8::Isolate::GetCurrent()); +# endif + } + + inline v8::Local True() { +# if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(v8::True(v8::Isolate::GetCurrent()))); +# else + return v8::True(v8::Isolate::GetCurrent()); +# endif + } + + inline v8::Local False() { +# if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(v8::False(v8::Isolate::GetCurrent()))); +# else + return v8::False(v8::Isolate::GetCurrent()); +# endif + } + + inline v8::Local EmptyString() { + return v8::String::Empty(v8::Isolate::GetCurrent()); + } + + inline int AdjustExternalMemory(int bc) { + return static_cast( + v8::Isolate::GetCurrent()->AdjustAmountOfExternalAllocatedMemory(bc)); + } + + inline void SetTemplate( + v8::Local templ + , const char *name + , v8::Local value) { + templ->Set(v8::Isolate::GetCurrent(), name, value); + } + + inline void SetTemplate( + v8::Local templ + , v8::Local name + , v8::Local value + , v8::PropertyAttribute attributes) { + templ->Set(name, value, attributes); + } + + inline v8::Local GetCurrentContext() { + return v8::Isolate::GetCurrent()->GetCurrentContext(); + } + + inline void* GetInternalFieldPointer( + v8::Local object + , int index) { + return object->GetAlignedPointerFromInternalField(index); + } + + inline void SetInternalFieldPointer( + v8::Local object + , int index + , void* value) { + object->SetAlignedPointerInInternalField(index, value); + } + +# define NAN_GC_CALLBACK(name) \ + void name(v8::Isolate *isolate, v8::GCType type, v8::GCCallbackFlags flags) + +#if NODE_MODULE_VERSION <= NODE_4_0_MODULE_VERSION + typedef v8::Isolate::GCEpilogueCallback GCEpilogueCallback; + typedef v8::Isolate::GCPrologueCallback GCPrologueCallback; +#else + typedef v8::Isolate::GCCallback GCEpilogueCallback; + typedef v8::Isolate::GCCallback GCPrologueCallback; +#endif + + inline void AddGCEpilogueCallback( + GCEpilogueCallback callback + , v8::GCType gc_type_filter = v8::kGCTypeAll) { + v8::Isolate::GetCurrent()->AddGCEpilogueCallback(callback, gc_type_filter); + } + + inline void RemoveGCEpilogueCallback( + GCEpilogueCallback callback) { + v8::Isolate::GetCurrent()->RemoveGCEpilogueCallback(callback); + } + + inline void AddGCPrologueCallback( + GCPrologueCallback callback + , v8::GCType gc_type_filter = v8::kGCTypeAll) { + v8::Isolate::GetCurrent()->AddGCPrologueCallback(callback, gc_type_filter); + } + + inline void RemoveGCPrologueCallback( + GCPrologueCallback callback) { + v8::Isolate::GetCurrent()->RemoveGCPrologueCallback(callback); + } + + inline void GetHeapStatistics( + v8::HeapStatistics *heap_statistics) { + v8::Isolate::GetCurrent()->GetHeapStatistics(heap_statistics); + } + +# define X(NAME) \ + inline v8::Local NAME(const char *msg) { \ + EscapableHandleScope scope; \ + return scope.Escape(v8::Exception::NAME(New(msg).ToLocalChecked())); \ + } \ + \ + inline \ + v8::Local NAME(v8::Local msg) { \ + return v8::Exception::NAME(msg); \ + } \ + \ + inline void Throw ## NAME(const char *msg) { \ + HandleScope scope; \ + v8::Isolate::GetCurrent()->ThrowException( \ + v8::Exception::NAME(New(msg).ToLocalChecked())); \ + } \ + \ + inline void Throw ## NAME(v8::Local msg) { \ + HandleScope scope; \ + v8::Isolate::GetCurrent()->ThrowException( \ + v8::Exception::NAME(msg)); \ + } + + X(Error) + X(RangeError) + X(ReferenceError) + X(SyntaxError) + X(TypeError) + +# undef X + + inline void ThrowError(v8::Local error) { + v8::Isolate::GetCurrent()->ThrowException(error); + } + + inline MaybeLocal NewBuffer( + char *data + , size_t length +#if NODE_MODULE_VERSION > IOJS_2_0_MODULE_VERSION + , node::Buffer::FreeCallback callback +#else + , node::smalloc::FreeCallback callback +#endif + , void *hint + ) { + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(length <= imp::kMaxLength && "too large buffer"); +#if NODE_MODULE_VERSION > IOJS_2_0_MODULE_VERSION + return node::Buffer::New( + v8::Isolate::GetCurrent(), data, length, callback, hint); +#else + return node::Buffer::New(v8::Isolate::GetCurrent(), data, length, callback, + hint); +#endif + } + + inline MaybeLocal CopyBuffer( + const char *data + , uint32_t size + ) { + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(size <= imp::kMaxLength && "too large buffer"); +#if NODE_MODULE_VERSION > IOJS_2_0_MODULE_VERSION + return node::Buffer::Copy( + v8::Isolate::GetCurrent(), data, size); +#else + return node::Buffer::New(v8::Isolate::GetCurrent(), data, size); +#endif + } + + inline MaybeLocal NewBuffer(uint32_t size) { + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(size <= imp::kMaxLength && "too large buffer"); +#if NODE_MODULE_VERSION > IOJS_2_0_MODULE_VERSION + return node::Buffer::New( + v8::Isolate::GetCurrent(), size); +#else + return node::Buffer::New(v8::Isolate::GetCurrent(), size); +#endif + } + + inline MaybeLocal NewBuffer( + char* data + , uint32_t size + ) { + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(size <= imp::kMaxLength && "too large buffer"); +#if NODE_MODULE_VERSION > IOJS_2_0_MODULE_VERSION + return node::Buffer::New(v8::Isolate::GetCurrent(), data, size); +#else + return node::Buffer::Use(v8::Isolate::GetCurrent(), data, size); +#endif + } + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + inline MaybeLocal + NewOneByteString(const uint8_t * value, int length = -1) { + return v8::String::NewFromOneByte(v8::Isolate::GetCurrent(), value, + v8::NewStringType::kNormal, length); + } + + inline MaybeLocal CompileScript( + v8::Local s + , const v8::ScriptOrigin& origin + ) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::ScriptCompiler::Source source(s, origin); + return scope.Escape( + v8::ScriptCompiler::Compile(isolate->GetCurrentContext(), &source) + .FromMaybe(v8::Local())); + } + + inline MaybeLocal CompileScript( + v8::Local s + ) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::ScriptCompiler::Source source(s); + return scope.Escape( + v8::ScriptCompiler::Compile(isolate->GetCurrentContext(), &source) + .FromMaybe(v8::Local())); + } + + inline MaybeLocal RunScript( + v8::Local script + ) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(script->BindToCurrentContext() + ->Run(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); + } + + inline MaybeLocal RunScript( + v8::Local script + ) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(script->Run(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); + } +#else + inline MaybeLocal + NewOneByteString(const uint8_t * value, int length = -1) { + return v8::String::NewFromOneByte(v8::Isolate::GetCurrent(), value, + v8::String::kNormalString, length); + } + + inline MaybeLocal CompileScript( + v8::Local s + , const v8::ScriptOrigin& origin + ) { + v8::ScriptCompiler::Source source(s, origin); + return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &source); + } + + inline MaybeLocal CompileScript( + v8::Local s + ) { + v8::ScriptCompiler::Source source(s); + return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &source); + } + + inline MaybeLocal RunScript( + v8::Local script + ) { + EscapableHandleScope scope; + return scope.Escape(script->BindToCurrentContext()->Run()); + } + + inline MaybeLocal RunScript( + v8::Local script + ) { + return script->Run(); + } +#endif + + NAN_DEPRECATED inline v8::Local MakeCallback( + v8::Local target + , v8::Local func + , int argc + , v8::Local* argv) { +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(node::MakeCallback( + v8::Isolate::GetCurrent(), target, func, argc, argv))); +#else +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource res("nan:makeCallback"); + return res.runInAsyncScope(target, func, argc, argv) + .FromMaybe(v8::Local()); +# else + return node::MakeCallback( + v8::Isolate::GetCurrent(), target, func, argc, argv); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#endif // NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + } + + NAN_DEPRECATED inline v8::Local MakeCallback( + v8::Local target + , v8::Local symbol + , int argc + , v8::Local* argv) { +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(node::MakeCallback( + v8::Isolate::GetCurrent(), target, symbol, argc, argv))); +#else +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource res("nan:makeCallback"); + return res.runInAsyncScope(target, symbol, argc, argv) + .FromMaybe(v8::Local()); +# else + return node::MakeCallback( + v8::Isolate::GetCurrent(), target, symbol, argc, argv); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#endif // NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + } + + NAN_DEPRECATED inline v8::Local MakeCallback( + v8::Local target + , const char* method + , int argc + , v8::Local* argv) { +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + return scope.Escape(New(node::MakeCallback( + v8::Isolate::GetCurrent(), target, method, argc, argv))); +#else +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource res("nan:makeCallback"); + return res.runInAsyncScope(target, method, argc, argv) + .FromMaybe(v8::Local()); +# else + return node::MakeCallback( + v8::Isolate::GetCurrent(), target, method, argc, argv); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#endif // NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + } + + inline void FatalException(const TryCatch& try_catch) { + node::FatalException(v8::Isolate::GetCurrent(), try_catch.try_catch_); + } + + inline v8::Local ErrnoException( + int errorno + , const char* syscall = NULL + , const char* message = NULL + , const char* path = NULL) { + return node::ErrnoException(v8::Isolate::GetCurrent(), errorno, syscall, + message, path); + } + + NAN_DEPRECATED inline v8::Local NanErrnoException( + int errorno + , const char* syscall = NULL + , const char* message = NULL + , const char* path = NULL) { + return ErrnoException(errorno, syscall, message, path); + } + + template + inline void SetIsolateData( + v8::Isolate *isolate + , T *data + ) { + isolate->SetData(0, data); + } + + template + inline T *GetIsolateData( + v8::Isolate *isolate + ) { + return static_cast(isolate->GetData(0)); + } + +class Utf8String { + public: + inline explicit Utf8String(v8::Local from) : + length_(0), str_(str_st_) { + HandleScope scope; + if (!from.IsEmpty()) { +#if NODE_MAJOR_VERSION >= 10 + v8::Local context = GetCurrentContext(); + v8::Local string = + from->ToString(context).FromMaybe(v8::Local()); +#else + v8::Local string = from->ToString(); +#endif + if (!string.IsEmpty()) { + size_t len = 3 * string->Length() + 1; + assert(len <= INT_MAX); + if (len > sizeof (str_st_)) { + str_ = static_cast(malloc(len)); + assert(str_ != 0); + } + const int flags = + v8::String::NO_NULL_TERMINATION | imp::kReplaceInvalidUtf8; +#if NODE_MAJOR_VERSION >= 11 + length_ = string->WriteUtf8(v8::Isolate::GetCurrent(), str_, + static_cast(len), 0, flags); +#else + // See https://github.com/nodejs/nan/issues/832. + // Disable the warning as there is no way around it. +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable : 4996) +#endif +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + length_ = string->WriteUtf8(str_, static_cast(len), 0, flags); +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif +#ifdef _MSC_VER +#pragma warning(pop) +#endif +#endif // NODE_MAJOR_VERSION < 11 + str_[length_] = '\0'; + } + } + } + + inline int length() const { + return length_; + } + + inline char* operator*() { return str_; } + inline const char* operator*() const { return str_; } + + inline ~Utf8String() { + if (str_ != str_st_) { + free(str_); + } + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(Utf8String) + + int length_; + char *str_; + char str_st_[1024]; +}; + +#else // Node 0.8 and 0.10 + inline v8::Local Undefined() { + EscapableHandleScope scope; + return scope.Escape(New(v8::Undefined())); + } + + inline v8::Local Null() { + EscapableHandleScope scope; + return scope.Escape(New(v8::Null())); + } + + inline v8::Local True() { + EscapableHandleScope scope; + return scope.Escape(New(v8::True())); + } + + inline v8::Local False() { + EscapableHandleScope scope; + return scope.Escape(New(v8::False())); + } + + inline v8::Local EmptyString() { + return v8::String::Empty(); + } + + inline int AdjustExternalMemory(int bc) { + return static_cast(v8::V8::AdjustAmountOfExternalAllocatedMemory(bc)); + } + + inline void SetTemplate( + v8::Local templ + , const char *name + , v8::Local value) { + templ->Set(name, value); + } + + inline void SetTemplate( + v8::Local templ + , v8::Local name + , v8::Local value + , v8::PropertyAttribute attributes) { + templ->Set(name, value, attributes); + } + + inline v8::Local GetCurrentContext() { + return v8::Context::GetCurrent(); + } + + inline void* GetInternalFieldPointer( + v8::Local object + , int index) { + return object->GetPointerFromInternalField(index); + } + + inline void SetInternalFieldPointer( + v8::Local object + , int index + , void* value) { + object->SetPointerInInternalField(index, value); + } + +# define NAN_GC_CALLBACK(name) \ + void name(v8::GCType type, v8::GCCallbackFlags flags) + + inline void AddGCEpilogueCallback( + v8::GCEpilogueCallback callback + , v8::GCType gc_type_filter = v8::kGCTypeAll) { + v8::V8::AddGCEpilogueCallback(callback, gc_type_filter); + } + inline void RemoveGCEpilogueCallback( + v8::GCEpilogueCallback callback) { + v8::V8::RemoveGCEpilogueCallback(callback); + } + inline void AddGCPrologueCallback( + v8::GCPrologueCallback callback + , v8::GCType gc_type_filter = v8::kGCTypeAll) { + v8::V8::AddGCPrologueCallback(callback, gc_type_filter); + } + inline void RemoveGCPrologueCallback( + v8::GCPrologueCallback callback) { + v8::V8::RemoveGCPrologueCallback(callback); + } + inline void GetHeapStatistics( + v8::HeapStatistics *heap_statistics) { + v8::V8::GetHeapStatistics(heap_statistics); + } + +# define X(NAME) \ + inline v8::Local NAME(const char *msg) { \ + EscapableHandleScope scope; \ + return scope.Escape(v8::Exception::NAME(New(msg).ToLocalChecked())); \ + } \ + \ + inline \ + v8::Local NAME(v8::Local msg) { \ + return v8::Exception::NAME(msg); \ + } \ + \ + inline void Throw ## NAME(const char *msg) { \ + HandleScope scope; \ + v8::ThrowException(v8::Exception::NAME(New(msg).ToLocalChecked())); \ + } \ + \ + inline \ + void Throw ## NAME(v8::Local errmsg) { \ + HandleScope scope; \ + v8::ThrowException(v8::Exception::NAME(errmsg)); \ + } + + X(Error) + X(RangeError) + X(ReferenceError) + X(SyntaxError) + X(TypeError) + +# undef X + + inline void ThrowError(v8::Local error) { + v8::ThrowException(error); + } + + inline MaybeLocal NewBuffer( + char *data + , size_t length + , node::Buffer::free_callback callback + , void *hint + ) { + EscapableHandleScope scope; + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(length <= imp::kMaxLength && "too large buffer"); + return scope.Escape( + New(node::Buffer::New(data, length, callback, hint)->handle_)); + } + + inline MaybeLocal CopyBuffer( + const char *data + , uint32_t size + ) { + EscapableHandleScope scope; + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(size <= imp::kMaxLength && "too large buffer"); +#if NODE_MODULE_VERSION >= NODE_0_10_MODULE_VERSION + return scope.Escape(New(node::Buffer::New(data, size)->handle_)); +#else + return scope.Escape( + New(node::Buffer::New(const_cast(data), size)->handle_)); +#endif + } + + inline MaybeLocal NewBuffer(uint32_t size) { + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + EscapableHandleScope scope; + assert(size <= imp::kMaxLength && "too large buffer"); + return scope.Escape(New(node::Buffer::New(size)->handle_)); + } + + inline void FreeData(char *data, void *hint) { + (void) hint; // unused + delete[] data; + } + + inline MaybeLocal NewBuffer( + char* data + , uint32_t size + ) { + EscapableHandleScope scope; + // arbitrary buffer lengths requires + // NODE_MODULE_VERSION >= IOJS_3_0_MODULE_VERSION + assert(size <= imp::kMaxLength && "too large buffer"); + return scope.Escape( + New(node::Buffer::New(data, size, FreeData, NULL)->handle_)); + } + +namespace imp { +inline void +widenString(std::vector *ws, const uint8_t *s, int l) { + size_t len = static_cast(l); + if (l < 0) { + len = strlen(reinterpret_cast(s)); + } + assert(len <= INT_MAX && "string too long"); + ws->resize(len); + std::copy(s, s + len, ws->begin()); // NOLINT(build/include_what_you_use) +} +} // end of namespace imp + + inline MaybeLocal + NewOneByteString(const uint8_t * value, int length = -1) { + std::vector wideString; // NOLINT(build/include_what_you_use) + imp::widenString(&wideString, value, length); + return v8::String::New(wideString.data(), + static_cast(wideString.size())); + } + + inline MaybeLocal CompileScript( + v8::Local s + , const v8::ScriptOrigin& origin + ) { + return v8::Script::Compile(s, const_cast(&origin)); + } + + inline MaybeLocal CompileScript( + v8::Local s + ) { + return v8::Script::Compile(s); + } + + inline + MaybeLocal RunScript(v8::Local script) { + return script->Run(); + } + + inline v8::Local MakeCallback( + v8::Local target + , v8::Local func + , int argc + , v8::Local* argv) { + v8::HandleScope scope; + return scope.Close(New(node::MakeCallback(target, func, argc, argv))); + } + + inline v8::Local MakeCallback( + v8::Local target + , v8::Local symbol + , int argc + , v8::Local* argv) { + v8::HandleScope scope; + return scope.Close(New(node::MakeCallback(target, symbol, argc, argv))); + } + + inline v8::Local MakeCallback( + v8::Local target + , const char* method + , int argc + , v8::Local* argv) { + v8::HandleScope scope; + return scope.Close(New(node::MakeCallback(target, method, argc, argv))); + } + + inline void FatalException(const TryCatch& try_catch) { + node::FatalException(const_cast(try_catch.try_catch_)); + } + + inline v8::Local ErrnoException( + int errorno + , const char* syscall = NULL + , const char* message = NULL + , const char* path = NULL) { + return node::ErrnoException(errorno, syscall, message, path); + } + + NAN_DEPRECATED inline v8::Local NanErrnoException( + int errorno + , const char* syscall = NULL + , const char* message = NULL + , const char* path = NULL) { + return ErrnoException(errorno, syscall, message, path); + } + + + template + inline void SetIsolateData( + v8::Isolate *isolate + , T *data + ) { + isolate->SetData(data); + } + + template + inline T *GetIsolateData( + v8::Isolate *isolate + ) { + return static_cast(isolate->GetData()); + } + +class Utf8String { + public: + inline explicit Utf8String(v8::Local from) : + length_(0), str_(str_st_) { + v8::HandleScope scope; + if (!from.IsEmpty()) { + v8::Local string = from->ToString(); + if (!string.IsEmpty()) { + size_t len = 3 * string->Length() + 1; + assert(len <= INT_MAX); + if (len > sizeof (str_st_)) { + str_ = static_cast(malloc(len)); + assert(str_ != 0); + } + const int flags = + v8::String::NO_NULL_TERMINATION | imp::kReplaceInvalidUtf8; + length_ = string->WriteUtf8(str_, static_cast(len), 0, flags); + str_[length_] = '\0'; + } + } + } + + inline int length() const { + return length_; + } + + inline char* operator*() { return str_; } + inline const char* operator*() const { return str_; } + + inline ~Utf8String() { + if (str_ != str_st_) { + free(str_); + } + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(Utf8String) + + int length_; + char *str_; + char str_st_[1024]; +}; + +#endif // NODE_MODULE_VERSION + +typedef void (*FreeCallback)(char *data, void *hint); + +typedef const FunctionCallbackInfo& NAN_METHOD_ARGS_TYPE; +typedef void NAN_METHOD_RETURN_TYPE; + +typedef const PropertyCallbackInfo& NAN_GETTER_ARGS_TYPE; +typedef void NAN_GETTER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& NAN_SETTER_ARGS_TYPE; +typedef void NAN_SETTER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_PROPERTY_GETTER_ARGS_TYPE; +typedef void NAN_PROPERTY_GETTER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_PROPERTY_SETTER_ARGS_TYPE; +typedef void NAN_PROPERTY_SETTER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_PROPERTY_ENUMERATOR_ARGS_TYPE; +typedef void NAN_PROPERTY_ENUMERATOR_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_PROPERTY_DELETER_ARGS_TYPE; +typedef void NAN_PROPERTY_DELETER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_PROPERTY_QUERY_ARGS_TYPE; +typedef void NAN_PROPERTY_QUERY_RETURN_TYPE; + +typedef const PropertyCallbackInfo& NAN_INDEX_GETTER_ARGS_TYPE; +typedef void NAN_INDEX_GETTER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& NAN_INDEX_SETTER_ARGS_TYPE; +typedef void NAN_INDEX_SETTER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_INDEX_ENUMERATOR_ARGS_TYPE; +typedef void NAN_INDEX_ENUMERATOR_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_INDEX_DELETER_ARGS_TYPE; +typedef void NAN_INDEX_DELETER_RETURN_TYPE; + +typedef const PropertyCallbackInfo& + NAN_INDEX_QUERY_ARGS_TYPE; +typedef void NAN_INDEX_QUERY_RETURN_TYPE; + +#define NAN_METHOD(name) \ + Nan::NAN_METHOD_RETURN_TYPE name(Nan::NAN_METHOD_ARGS_TYPE info) +#define NAN_GETTER(name) \ + Nan::NAN_GETTER_RETURN_TYPE name( \ + v8::Local property \ + , Nan::NAN_GETTER_ARGS_TYPE info) +#define NAN_SETTER(name) \ + Nan::NAN_SETTER_RETURN_TYPE name( \ + v8::Local property \ + , v8::Local value \ + , Nan::NAN_SETTER_ARGS_TYPE info) +#define NAN_PROPERTY_GETTER(name) \ + Nan::NAN_PROPERTY_GETTER_RETURN_TYPE name( \ + v8::Local property \ + , Nan::NAN_PROPERTY_GETTER_ARGS_TYPE info) +#define NAN_PROPERTY_SETTER(name) \ + Nan::NAN_PROPERTY_SETTER_RETURN_TYPE name( \ + v8::Local property \ + , v8::Local value \ + , Nan::NAN_PROPERTY_SETTER_ARGS_TYPE info) +#define NAN_PROPERTY_ENUMERATOR(name) \ + Nan::NAN_PROPERTY_ENUMERATOR_RETURN_TYPE name( \ + Nan::NAN_PROPERTY_ENUMERATOR_ARGS_TYPE info) +#define NAN_PROPERTY_DELETER(name) \ + Nan::NAN_PROPERTY_DELETER_RETURN_TYPE name( \ + v8::Local property \ + , Nan::NAN_PROPERTY_DELETER_ARGS_TYPE info) +#define NAN_PROPERTY_QUERY(name) \ + Nan::NAN_PROPERTY_QUERY_RETURN_TYPE name( \ + v8::Local property \ + , Nan::NAN_PROPERTY_QUERY_ARGS_TYPE info) +# define NAN_INDEX_GETTER(name) \ + Nan::NAN_INDEX_GETTER_RETURN_TYPE name( \ + uint32_t index \ + , Nan::NAN_INDEX_GETTER_ARGS_TYPE info) +#define NAN_INDEX_SETTER(name) \ + Nan::NAN_INDEX_SETTER_RETURN_TYPE name( \ + uint32_t index \ + , v8::Local value \ + , Nan::NAN_INDEX_SETTER_ARGS_TYPE info) +#define NAN_INDEX_ENUMERATOR(name) \ + Nan::NAN_INDEX_ENUMERATOR_RETURN_TYPE \ + name(Nan::NAN_INDEX_ENUMERATOR_ARGS_TYPE info) +#define NAN_INDEX_DELETER(name) \ + Nan::NAN_INDEX_DELETER_RETURN_TYPE name( \ + uint32_t index \ + , Nan::NAN_INDEX_DELETER_ARGS_TYPE info) +#define NAN_INDEX_QUERY(name) \ + Nan::NAN_INDEX_QUERY_RETURN_TYPE name( \ + uint32_t index \ + , Nan::NAN_INDEX_QUERY_ARGS_TYPE info) + +class Callback { + public: + Callback() {} + + explicit Callback(const v8::Local &fn) : handle_(fn) {} + + ~Callback() { + handle_.Reset(); + } + + bool operator==(const Callback &other) const { + return handle_ == other.handle_; + } + + bool operator!=(const Callback &other) const { + return !operator==(other); + } + + inline + v8::Local operator*() const { return GetFunction(); } + + NAN_DEPRECATED inline v8::Local operator()( + v8::Local target + , int argc = 0 + , v8::Local argv[] = 0) const { +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource async("nan:Callback:operator()"); + return Call_(isolate, target, argc, argv, &async) + .FromMaybe(v8::Local()); +# else + return Call_(isolate, target, argc, argv); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#else + return Call_(target, argc, argv); +#endif // NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + } + + NAN_DEPRECATED inline v8::Local operator()( + int argc = 0 + , v8::Local argv[] = 0) const { +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource async("nan:Callback:operator()"); + return scope.Escape(Call_(isolate, isolate->GetCurrentContext()->Global(), + argc, argv, &async) + .FromMaybe(v8::Local())); +# else + return scope.Escape( + Call_(isolate, isolate->GetCurrentContext()->Global(), argc, argv)); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#else + v8::HandleScope scope; + return scope.Close(Call_(v8::Context::GetCurrent()->Global(), argc, argv)); +#endif // NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + } + + inline MaybeLocal operator()( + AsyncResource* resource + , int argc = 0 + , v8::Local argv[] = 0) const { + return this->Call(argc, argv, resource); + } + + inline MaybeLocal operator()( + AsyncResource* resource + , v8::Local target + , int argc = 0 + , v8::Local argv[] = 0) const { + return this->Call(target, argc, argv, resource); + } + + // TODO(kkoopa): remove + inline void SetFunction(const v8::Local &fn) { + Reset(fn); + } + + inline void Reset(const v8::Local &fn) { + handle_.Reset(fn); + } + + inline void Reset() { + handle_.Reset(); + } + + inline v8::Local GetFunction() const { + return New(handle_); + } + + inline bool IsEmpty() const { + return handle_.IsEmpty(); + } + + // Deprecated: For async callbacks Use the versions that accept an + // AsyncResource. If this callback does not correspond to an async resource, + // that is, it is a synchronous function call on a non-empty JS stack, you + // should Nan::Call instead. + NAN_DEPRECATED inline v8::Local + Call(v8::Local target + , int argc + , v8::Local argv[]) const { +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource async("nan:Callback:Call"); + return Call_(isolate, target, argc, argv, &async) + .FromMaybe(v8::Local()); +# else + return Call_(isolate, target, argc, argv); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#else + return Call_(target, argc, argv); +#endif + } + + // Deprecated: For async callbacks Use the versions that accept an + // AsyncResource. If this callback does not correspond to an async resource, + // that is, it is a synchronous function call on a non-empty JS stack, you + // should Nan::Call instead. + NAN_DEPRECATED inline v8::Local + Call(int argc, v8::Local argv[]) const { +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); +# if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + AsyncResource async("nan:Callback:Call"); + return scope.Escape(Call_(isolate, isolate->GetCurrentContext()->Global(), + argc, argv, &async) + .FromMaybe(v8::Local())); +# else + return scope.Escape( + Call_(isolate, isolate->GetCurrentContext()->Global(), argc, argv)); +# endif // NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION +#else + v8::HandleScope scope; + return scope.Close(Call_(v8::Context::GetCurrent()->Global(), argc, argv)); +#endif + } + + inline MaybeLocal + Call(v8::Local target + , int argc + , v8::Local argv[] + , AsyncResource* resource) const { +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + return Call_(isolate, target, argc, argv, resource); +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + return Call_(isolate, target, argc, argv); +#else + return Call_(target, argc, argv); +#endif + } + + inline MaybeLocal + Call(int argc, v8::Local argv[], AsyncResource* resource) const { +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + return Call(isolate->GetCurrentContext()->Global(), argc, argv, resource); +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape( + Call_(isolate, isolate->GetCurrentContext()->Global(), argc, argv)); +#else + v8::HandleScope scope; + return scope.Close(Call_(v8::Context::GetCurrent()->Global(), argc, argv)); +#endif + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(Callback) + Persistent handle_; + +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + MaybeLocal Call_(v8::Isolate *isolate + , v8::Local target + , int argc + , v8::Local argv[] + , AsyncResource* resource) const { + EscapableHandleScope scope; + v8::Local func = New(handle_); + auto maybe = resource->runInAsyncScope(target, func, argc, argv); + v8::Local local; + if (!maybe.ToLocal(&local)) return MaybeLocal(); + return scope.Escape(local); + } +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Local Call_(v8::Isolate *isolate + , v8::Local target + , int argc + , v8::Local argv[]) const { + EscapableHandleScope scope; + + v8::Local callback = New(handle_); +# if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION + return scope.Escape(New(node::MakeCallback( + isolate + , target + , callback + , argc + , argv + ))); +# else + return scope.Escape(node::MakeCallback( + isolate + , target + , callback + , argc + , argv + )); +# endif + } +#else + v8::Local Call_(v8::Local target + , int argc + , v8::Local argv[]) const { + EscapableHandleScope scope; + + v8::Local callback = New(handle_); + return scope.Escape(New(node::MakeCallback( + target + , callback + , argc + , argv + ))); + } +#endif +}; + +inline MaybeLocal Call( + const Nan::Callback& callback + , v8::Local recv + , int argc + , v8::Local argv[]) { + return Call(*callback, recv, argc, argv); +} + +inline MaybeLocal Call( + const Nan::Callback& callback + , int argc + , v8::Local argv[]) { +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape( + Call(*callback, isolate->GetCurrentContext()->Global(), argc, argv) + .FromMaybe(v8::Local())); +#else + EscapableHandleScope scope; + return scope.Escape( + Call(*callback, v8::Context::GetCurrent()->Global(), argc, argv) + .FromMaybe(v8::Local())); +#endif +} + +inline MaybeLocal Call( + v8::Local symbol + , v8::Local recv + , int argc + , v8::Local argv[]) { + EscapableHandleScope scope; + v8::Local fn_v = + Get(recv, symbol).FromMaybe(v8::Local()); + if (fn_v.IsEmpty() || !fn_v->IsFunction()) return v8::Local(); + v8::Local fn = fn_v.As(); + return scope.Escape( + Call(fn, recv, argc, argv).FromMaybe(v8::Local())); +} + +inline MaybeLocal Call( + const char* method + , v8::Local recv + , int argc + , v8::Local argv[]) { + EscapableHandleScope scope; + v8::Local method_string = + New(method).ToLocalChecked(); + return scope.Escape( + Call(method_string, recv, argc, argv).FromMaybe(v8::Local())); +} + +/* abstract */ class AsyncWorker { + public: + explicit AsyncWorker(Callback *callback_, + const char* resource_name = "nan:AsyncWorker") + : callback(callback_), errmsg_(NULL) { + request.data = this; + + HandleScope scope; + v8::Local obj = New(); + persistentHandle.Reset(obj); + async_resource = new AsyncResource(resource_name, obj); + } + + virtual ~AsyncWorker() { + HandleScope scope; + + if (!persistentHandle.IsEmpty()) + persistentHandle.Reset(); + delete callback; + delete[] errmsg_; + delete async_resource; + } + + virtual void WorkComplete() { + HandleScope scope; + + if (errmsg_ == NULL) + HandleOKCallback(); + else + HandleErrorCallback(); + delete callback; + callback = NULL; + } + + inline void SaveToPersistent( + const char *key, const v8::Local &value) { + HandleScope scope; + Set(New(persistentHandle), New(key).ToLocalChecked(), value).FromJust(); + } + + inline void SaveToPersistent( + const v8::Local &key, const v8::Local &value) { + HandleScope scope; + Set(New(persistentHandle), key, value).FromJust(); + } + + inline void SaveToPersistent( + uint32_t index, const v8::Local &value) { + HandleScope scope; + Set(New(persistentHandle), index, value).FromJust(); + } + + inline v8::Local GetFromPersistent(const char *key) const { + EscapableHandleScope scope; + return scope.Escape( + Get(New(persistentHandle), New(key).ToLocalChecked()) + .FromMaybe(v8::Local())); + } + + inline v8::Local + GetFromPersistent(const v8::Local &key) const { + EscapableHandleScope scope; + return scope.Escape( + Get(New(persistentHandle), key) + .FromMaybe(v8::Local())); + } + + inline v8::Local GetFromPersistent(uint32_t index) const { + EscapableHandleScope scope; + return scope.Escape( + Get(New(persistentHandle), index) + .FromMaybe(v8::Local())); + } + + virtual void Execute() = 0; + + uv_work_t request; + + virtual void Destroy() { + delete this; + } + + protected: + Persistent persistentHandle; + Callback *callback; + AsyncResource *async_resource; + + virtual void HandleOKCallback() { + HandleScope scope; + + callback->Call(0, NULL, async_resource); + } + + virtual void HandleErrorCallback() { + HandleScope scope; + + v8::Local argv[] = { + v8::Exception::Error(New(ErrorMessage()).ToLocalChecked()) + }; + callback->Call(1, argv, async_resource); + } + + void SetErrorMessage(const char *msg) { + delete[] errmsg_; + + size_t size = strlen(msg) + 1; + errmsg_ = new char[size]; + memcpy(errmsg_, msg, size); + } + + const char* ErrorMessage() const { + return errmsg_; + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(AsyncWorker) + char *errmsg_; +}; + +/* abstract */ class AsyncBareProgressWorkerBase : public AsyncWorker { + public: + explicit AsyncBareProgressWorkerBase( + Callback *callback_, + const char* resource_name = "nan:AsyncBareProgressWorkerBase") + : AsyncWorker(callback_, resource_name) { + uv_async_init( + GetCurrentEventLoop() + , &async + , AsyncProgress_ + ); + async.data = this; + } + + virtual ~AsyncBareProgressWorkerBase() { + } + + virtual void WorkProgress() = 0; + + virtual void Destroy() { + uv_close(reinterpret_cast(&async), AsyncClose_); + } + + private: + inline static NAUV_WORK_CB(AsyncProgress_) { + AsyncBareProgressWorkerBase *worker = + static_cast(async->data); + worker->WorkProgress(); + } + + inline static void AsyncClose_(uv_handle_t* handle) { + AsyncBareProgressWorkerBase *worker = + static_cast(handle->data); + delete worker; + } + + protected: + uv_async_t async; +}; + +template +/* abstract */ +class AsyncBareProgressWorker : public AsyncBareProgressWorkerBase { + public: + explicit AsyncBareProgressWorker( + Callback *callback_, + const char* resource_name = "nan:AsyncBareProgressWorker") + : AsyncBareProgressWorkerBase(callback_, resource_name) { + uv_mutex_init(&async_lock); + } + + virtual ~AsyncBareProgressWorker() { + uv_mutex_destroy(&async_lock); + } + + class ExecutionProgress { + friend class AsyncBareProgressWorker; + public: + void Signal() const { + uv_mutex_lock(&that_->async_lock); + uv_async_send(&that_->async); + uv_mutex_unlock(&that_->async_lock); + } + + void Send(const T* data, size_t count) const { + that_->SendProgress_(data, count); + } + + private: + explicit ExecutionProgress(AsyncBareProgressWorker *that) : that_(that) {} + NAN_DISALLOW_ASSIGN_COPY_MOVE(ExecutionProgress) + AsyncBareProgressWorker* const that_; + }; + + virtual void Execute(const ExecutionProgress& progress) = 0; + virtual void HandleProgressCallback(const T *data, size_t size) = 0; + + protected: + uv_mutex_t async_lock; + + private: + void Execute() /*final override*/ { + ExecutionProgress progress(this); + Execute(progress); + } + + virtual void SendProgress_(const T *data, size_t count) = 0; +}; + +template +/* abstract */ +class AsyncProgressWorkerBase : public AsyncBareProgressWorker { + public: + explicit AsyncProgressWorkerBase( + Callback *callback_, + const char* resource_name = "nan:AsyncProgressWorkerBase") + : AsyncBareProgressWorker(callback_, resource_name), asyncdata_(NULL), + asyncsize_(0) { + } + + virtual ~AsyncProgressWorkerBase() { + delete[] asyncdata_; + } + + void WorkProgress() { + uv_mutex_lock(&this->async_lock); + T *data = asyncdata_; + size_t size = asyncsize_; + asyncdata_ = NULL; + asyncsize_ = 0; + uv_mutex_unlock(&this->async_lock); + + // Don't send progress events after we've already completed. + if (this->callback) { + this->HandleProgressCallback(data, size); + } + delete[] data; + } + + private: + void SendProgress_(const T *data, size_t count) { + T *new_data = new T[count]; + std::copy(data, data + count, new_data); + + uv_mutex_lock(&this->async_lock); + T *old_data = asyncdata_; + asyncdata_ = new_data; + asyncsize_ = count; + uv_async_send(&this->async); + uv_mutex_unlock(&this->async_lock); + + delete[] old_data; + } + + T *asyncdata_; + size_t asyncsize_; +}; + +// This ensures compatibility to the previous un-templated AsyncProgressWorker +// class definition. +typedef AsyncProgressWorkerBase AsyncProgressWorker; + +template +/* abstract */ +class AsyncBareProgressQueueWorker : public AsyncBareProgressWorkerBase { + public: + explicit AsyncBareProgressQueueWorker( + Callback *callback_, + const char* resource_name = "nan:AsyncBareProgressQueueWorker") + : AsyncBareProgressWorkerBase(callback_, resource_name) { + } + + virtual ~AsyncBareProgressQueueWorker() { + } + + class ExecutionProgress { + friend class AsyncBareProgressQueueWorker; + public: + void Send(const T* data, size_t count) const { + that_->SendProgress_(data, count); + } + + private: + explicit ExecutionProgress(AsyncBareProgressQueueWorker *that) + : that_(that) {} + NAN_DISALLOW_ASSIGN_COPY_MOVE(ExecutionProgress) + AsyncBareProgressQueueWorker* const that_; + }; + + virtual void Execute(const ExecutionProgress& progress) = 0; + virtual void HandleProgressCallback(const T *data, size_t size) = 0; + + private: + void Execute() /*final override*/ { + ExecutionProgress progress(this); + Execute(progress); + } + + virtual void SendProgress_(const T *data, size_t count) = 0; +}; + +template +/* abstract */ +class AsyncProgressQueueWorker : public AsyncBareProgressQueueWorker { + public: + explicit AsyncProgressQueueWorker( + Callback *callback_, + const char* resource_name = "nan:AsyncProgressQueueWorker") + : AsyncBareProgressQueueWorker(callback_) { + uv_mutex_init(&async_lock); + } + + virtual ~AsyncProgressQueueWorker() { + uv_mutex_lock(&async_lock); + + while (!asyncdata_.empty()) { + std::pair &datapair = asyncdata_.front(); + T *data = datapair.first; + + asyncdata_.pop(); + + delete[] data; + } + + uv_mutex_unlock(&async_lock); + uv_mutex_destroy(&async_lock); + } + + void WorkComplete() { + WorkProgress(); + AsyncWorker::WorkComplete(); + } + + void WorkProgress() { + uv_mutex_lock(&async_lock); + + while (!asyncdata_.empty()) { + std::pair &datapair = asyncdata_.front(); + + T *data = datapair.first; + size_t size = datapair.second; + + asyncdata_.pop(); + uv_mutex_unlock(&async_lock); + + // Don't send progress events after we've already completed. + if (this->callback) { + this->HandleProgressCallback(data, size); + } + + delete[] data; + + uv_mutex_lock(&async_lock); + } + + uv_mutex_unlock(&async_lock); + } + + private: + void SendProgress_(const T *data, size_t count) { + T *new_data = new T[count]; + std::copy(data, data + count, new_data); + + uv_mutex_lock(&async_lock); + asyncdata_.push(std::pair(new_data, count)); + uv_mutex_unlock(&async_lock); + + uv_async_send(&this->async); + } + + uv_mutex_t async_lock; + std::queue > asyncdata_; +}; + +inline void AsyncExecute (uv_work_t* req) { + AsyncWorker *worker = static_cast(req->data); + worker->Execute(); +} + +inline void AsyncExecuteComplete (uv_work_t* req) { + AsyncWorker* worker = static_cast(req->data); + worker->WorkComplete(); + worker->Destroy(); +} + +inline void AsyncQueueWorker (AsyncWorker* worker) { + uv_queue_work( + GetCurrentEventLoop() + , &worker->request + , AsyncExecute + , reinterpret_cast(AsyncExecuteComplete) + ); +} + +namespace imp { + +inline +ExternalOneByteStringResource const* +GetExternalResource(v8::Local str) { +#if NODE_MODULE_VERSION < ATOM_0_21_MODULE_VERSION + return str->GetExternalAsciiStringResource(); +#else + return str->GetExternalOneByteStringResource(); +#endif +} + +inline +bool +IsExternal(v8::Local str) { +#if NODE_MODULE_VERSION < ATOM_0_21_MODULE_VERSION + return str->IsExternalAscii(); +#else + return str->IsExternalOneByte(); +#endif +} + +} // end of namespace imp + +enum Encoding {ASCII, UTF8, BASE64, UCS2, BINARY, HEX, BUFFER}; + +#if NODE_MODULE_VERSION < NODE_0_10_MODULE_VERSION +# include "nan_string_bytes.h" // NOLINT(build/include) +#endif + +inline v8::Local Encode( + const void *buf, size_t len, enum Encoding encoding = BINARY) { +#if (NODE_MODULE_VERSION >= ATOM_0_21_MODULE_VERSION) + v8::Isolate* isolate = v8::Isolate::GetCurrent(); + node::encoding node_enc = static_cast(encoding); + + if (encoding == UCS2) { + return node::Encode( + isolate + , reinterpret_cast(buf) + , len / 2); + } else { + return node::Encode( + isolate + , reinterpret_cast(buf) + , len + , node_enc); + } +#elif (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION) + return node::Encode( + v8::Isolate::GetCurrent() + , buf, len + , static_cast(encoding)); +#else +# if NODE_MODULE_VERSION >= NODE_0_10_MODULE_VERSION + return node::Encode(buf, len, static_cast(encoding)); +# else + return imp::Encode(reinterpret_cast(buf), len, encoding); +# endif +#endif +} + +inline ssize_t DecodeBytes( + v8::Local val, enum Encoding encoding = BINARY) { +#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION) + return node::DecodeBytes( + v8::Isolate::GetCurrent() + , val + , static_cast(encoding)); +#else +# if (NODE_MODULE_VERSION < NODE_0_10_MODULE_VERSION) + if (encoding == BUFFER) { + return node::DecodeBytes(val, node::BINARY); + } +# endif + return node::DecodeBytes(val, static_cast(encoding)); +#endif +} + +inline ssize_t DecodeWrite( + char *buf + , size_t len + , v8::Local val + , enum Encoding encoding = BINARY) { +#if (NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION) + return node::DecodeWrite( + v8::Isolate::GetCurrent() + , buf + , len + , val + , static_cast(encoding)); +#else +# if (NODE_MODULE_VERSION < NODE_0_10_MODULE_VERSION) + if (encoding == BUFFER) { + return node::DecodeWrite(buf, len, val, node::BINARY); + } +# endif + return node::DecodeWrite( + buf + , len + , val + , static_cast(encoding)); +#endif +} + +inline void SetPrototypeTemplate( + v8::Local templ + , const char *name + , v8::Local value +) { + HandleScope scope; + SetTemplate(templ->PrototypeTemplate(), name, value); +} + +inline void SetPrototypeTemplate( + v8::Local templ + , v8::Local name + , v8::Local value + , v8::PropertyAttribute attributes +) { + HandleScope scope; + SetTemplate(templ->PrototypeTemplate(), name, value, attributes); +} + +inline void SetInstanceTemplate( + v8::Local templ + , const char *name + , v8::Local value +) { + HandleScope scope; + SetTemplate(templ->InstanceTemplate(), name, value); +} + +inline void SetInstanceTemplate( + v8::Local templ + , v8::Local name + , v8::Local value + , v8::PropertyAttribute attributes +) { + HandleScope scope; + SetTemplate(templ->InstanceTemplate(), name, value, attributes); +} + +namespace imp { + +// Note(@agnat): Helper to distinguish different receiver types. The first +// version deals with receivers derived from v8::Template. The second version +// handles everything else. The final argument only serves as discriminator and +// is unused. +template +inline +void +SetMethodAux(T recv, + v8::Local name, + v8::Local tpl, + v8::Template *) { + recv->Set(name, tpl); +} + +template +inline +void +SetMethodAux(T recv, + v8::Local name, + v8::Local tpl, + ...) { + Set(recv, name, GetFunction(tpl).ToLocalChecked()); +} + +} // end of namespace imp + +template class HandleType> +inline void SetMethod( + HandleType recv + , const char *name + , FunctionCallback callback + , v8::Local data = v8::Local()) { + HandleScope scope; + v8::Local t = New(callback, data); + v8::Local fn_name = New(name).ToLocalChecked(); + t->SetClassName(fn_name); + // Note(@agnat): Pass an empty T* as discriminator. See note on + // SetMethodAux(...) above + imp::SetMethodAux(recv, fn_name, t, static_cast(0)); +} + +inline void SetPrototypeMethod( + v8::Local recv + , const char* name + , FunctionCallback callback + , v8::Local data = v8::Local()) { + HandleScope scope; + v8::Local t = New( + callback + , data + , New(recv)); + v8::Local fn_name = New(name).ToLocalChecked(); + recv->PrototypeTemplate()->Set(fn_name, t); + t->SetClassName(fn_name); +} + +//=== Accessors and Such ======================================================= + +inline void SetAccessor( + v8::Local tpl + , v8::Local name + , GetterCallback getter + , SetterCallback setter = 0 + , v8::Local data = v8::Local() + , v8::AccessControl settings = v8::DEFAULT + , v8::PropertyAttribute attribute = v8::None + , imp::Sig signature = imp::Sig()) { + HandleScope scope; + + imp::NativeGetter getter_ = + imp::GetterCallbackWrapper; + imp::NativeSetter setter_ = + setter ? imp::SetterCallbackWrapper : 0; + + v8::Local otpl = New(); + otpl->SetInternalFieldCount(imp::kAccessorFieldCount); + v8::Local obj = NewInstance(otpl).ToLocalChecked(); + + obj->SetInternalField( + imp::kGetterIndex + , New(reinterpret_cast(getter))); + + if (setter != 0) { + obj->SetInternalField( + imp::kSetterIndex + , New(reinterpret_cast(setter))); + } + + if (!data.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, data); + } + + tpl->SetAccessor( + name + , getter_ + , setter_ + , obj + , settings + , attribute + , signature); +} + +inline bool SetAccessor( + v8::Local obj + , v8::Local name + , GetterCallback getter + , SetterCallback setter = 0 + , v8::Local data = v8::Local() + , v8::AccessControl settings = v8::DEFAULT + , v8::PropertyAttribute attribute = v8::None) { + HandleScope scope; + + imp::NativeGetter getter_ = + imp::GetterCallbackWrapper; + imp::NativeSetter setter_ = + setter ? imp::SetterCallbackWrapper : 0; + + v8::Local otpl = New(); + otpl->SetInternalFieldCount(imp::kAccessorFieldCount); + v8::Local dataobj = NewInstance(otpl).ToLocalChecked(); + + dataobj->SetInternalField( + imp::kGetterIndex + , New(reinterpret_cast(getter))); + + if (!data.IsEmpty()) { + dataobj->SetInternalField(imp::kDataIndex, data); + } + + if (setter) { + dataobj->SetInternalField( + imp::kSetterIndex + , New(reinterpret_cast(setter))); + } + +#if (NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION) + return obj->SetAccessor( + GetCurrentContext() + , name + , getter_ + , setter_ + , dataobj + , settings + , attribute).FromMaybe(false); +#else + return obj->SetAccessor( + name + , getter_ + , setter_ + , dataobj + , settings + , attribute); +#endif +} + +inline void SetNamedPropertyHandler( + v8::Local tpl + , PropertyGetterCallback getter + , PropertySetterCallback setter = 0 + , PropertyQueryCallback query = 0 + , PropertyDeleterCallback deleter = 0 + , PropertyEnumeratorCallback enumerator = 0 + , v8::Local data = v8::Local()) { + HandleScope scope; + + imp::NativePropertyGetter getter_ = + imp::PropertyGetterCallbackWrapper; + imp::NativePropertySetter setter_ = + setter ? imp::PropertySetterCallbackWrapper : 0; + imp::NativePropertyQuery query_ = + query ? imp::PropertyQueryCallbackWrapper : 0; + imp::NativePropertyDeleter *deleter_ = + deleter ? imp::PropertyDeleterCallbackWrapper : 0; + imp::NativePropertyEnumerator enumerator_ = + enumerator ? imp::PropertyEnumeratorCallbackWrapper : 0; + + v8::Local otpl = New(); + otpl->SetInternalFieldCount(imp::kPropertyFieldCount); + v8::Local obj = NewInstance(otpl).ToLocalChecked(); + obj->SetInternalField( + imp::kPropertyGetterIndex + , New(reinterpret_cast(getter))); + + if (setter) { + obj->SetInternalField( + imp::kPropertySetterIndex + , New(reinterpret_cast(setter))); + } + + if (query) { + obj->SetInternalField( + imp::kPropertyQueryIndex + , New(reinterpret_cast(query))); + } + + if (deleter) { + obj->SetInternalField( + imp::kPropertyDeleterIndex + , New(reinterpret_cast(deleter))); + } + + if (enumerator) { + obj->SetInternalField( + imp::kPropertyEnumeratorIndex + , New(reinterpret_cast(enumerator))); + } + + if (!data.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, data); + } + +#if NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION + tpl->SetHandler(v8::NamedPropertyHandlerConfiguration( + getter_, setter_, query_, deleter_, enumerator_, obj)); +#else + tpl->SetNamedPropertyHandler( + getter_ + , setter_ + , query_ + , deleter_ + , enumerator_ + , obj); +#endif +} + +inline void SetIndexedPropertyHandler( + v8::Local tpl + , IndexGetterCallback getter + , IndexSetterCallback setter = 0 + , IndexQueryCallback query = 0 + , IndexDeleterCallback deleter = 0 + , IndexEnumeratorCallback enumerator = 0 + , v8::Local data = v8::Local()) { + HandleScope scope; + + imp::NativeIndexGetter getter_ = + imp::IndexGetterCallbackWrapper; + imp::NativeIndexSetter setter_ = + setter ? imp::IndexSetterCallbackWrapper : 0; + imp::NativeIndexQuery query_ = + query ? imp::IndexQueryCallbackWrapper : 0; + imp::NativeIndexDeleter deleter_ = + deleter ? imp::IndexDeleterCallbackWrapper : 0; + imp::NativeIndexEnumerator enumerator_ = + enumerator ? imp::IndexEnumeratorCallbackWrapper : 0; + + v8::Local otpl = New(); + otpl->SetInternalFieldCount(imp::kIndexPropertyFieldCount); + v8::Local obj = NewInstance(otpl).ToLocalChecked(); + obj->SetInternalField( + imp::kIndexPropertyGetterIndex + , New(reinterpret_cast(getter))); + + if (setter) { + obj->SetInternalField( + imp::kIndexPropertySetterIndex + , New(reinterpret_cast(setter))); + } + + if (query) { + obj->SetInternalField( + imp::kIndexPropertyQueryIndex + , New(reinterpret_cast(query))); + } + + if (deleter) { + obj->SetInternalField( + imp::kIndexPropertyDeleterIndex + , New(reinterpret_cast(deleter))); + } + + if (enumerator) { + obj->SetInternalField( + imp::kIndexPropertyEnumeratorIndex + , New(reinterpret_cast(enumerator))); + } + + if (!data.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, data); + } + +#if NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION + tpl->SetHandler(v8::IndexedPropertyHandlerConfiguration( + getter_, setter_, query_, deleter_, enumerator_, obj)); +#else + tpl->SetIndexedPropertyHandler( + getter_ + , setter_ + , query_ + , deleter_ + , enumerator_ + , obj); +#endif +} + +inline void SetCallHandler( + v8::Local tpl + , FunctionCallback callback + , v8::Local data = v8::Local()) { + HandleScope scope; + + v8::Local otpl = New(); + otpl->SetInternalFieldCount(imp::kFunctionFieldCount); + v8::Local obj = NewInstance(otpl).ToLocalChecked(); + + obj->SetInternalField( + imp::kFunctionIndex + , New(reinterpret_cast(callback))); + + if (!data.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, data); + } + + tpl->SetCallHandler(imp::FunctionCallbackWrapper, obj); +} + + +inline void SetCallAsFunctionHandler( + v8::Local tpl, + FunctionCallback callback, + v8::Local data = v8::Local()) { + HandleScope scope; + + v8::Local otpl = New(); + otpl->SetInternalFieldCount(imp::kFunctionFieldCount); + v8::Local obj = NewInstance(otpl).ToLocalChecked(); + + obj->SetInternalField( + imp::kFunctionIndex + , New(reinterpret_cast(callback))); + + if (!data.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, data); + } + + tpl->SetCallAsFunctionHandler(imp::FunctionCallbackWrapper, obj); +} + +//=== Weak Persistent Handling ================================================= + +#include "nan_weak.h" // NOLINT(build/include) + +//=== ObjectWrap =============================================================== + +#include "nan_object_wrap.h" // NOLINT(build/include) + +//=== HiddenValue/Private ====================================================== + +#include "nan_private.h" // NOLINT(build/include) + +//=== Export ================================================================== + +inline +void +Export(ADDON_REGISTER_FUNCTION_ARGS_TYPE target, const char *name, + FunctionCallback f) { + HandleScope scope; + + Set(target, New(name).ToLocalChecked(), + GetFunction(New(f)).ToLocalChecked()); +} + +//=== Tap Reverse Binding ===================================================== + +struct Tap { + explicit Tap(v8::Local t) : t_() { + HandleScope scope; + + t_.Reset(To(t).ToLocalChecked()); + } + + ~Tap() { t_.Reset(); } // not sure if necessary + + inline void plan(int i) { + HandleScope scope; + v8::Local arg = New(i); + Call("plan", New(t_), 1, &arg); + } + + inline void ok(bool isOk, const char *msg = NULL) { + HandleScope scope; + v8::Local args[2]; + args[0] = New(isOk); + if (msg) args[1] = New(msg).ToLocalChecked(); + Call("ok", New(t_), msg ? 2 : 1, args); + } + + inline void pass(const char * msg = NULL) { + HandleScope scope; + v8::Local hmsg; + if (msg) hmsg = New(msg).ToLocalChecked(); + Call("pass", New(t_), msg ? 1 : 0, &hmsg); + } + + inline void end() { + HandleScope scope; + Call("end", New(t_), 0, NULL); + } + + private: + Persistent t_; +}; + +#define NAN_STRINGIZE2(x) #x +#define NAN_STRINGIZE(x) NAN_STRINGIZE2(x) +#define NAN_TEST_EXPRESSION(expression) \ + ( expression ), __FILE__ ":" NAN_STRINGIZE(__LINE__) ": " #expression + +#define NAN_EXPORT(target, function) Export(target, #function, function) + +#undef TYPE_CHECK + +//=== Generic Maybefication =================================================== + +namespace imp { + +template struct Maybefier; + +template struct Maybefier > { + inline static MaybeLocal convert(v8::Local v) { + return v; + } +}; + +template struct Maybefier > { + inline static MaybeLocal convert(MaybeLocal v) { + return v; + } +}; + +} // end of namespace imp + +template class MaybeMaybe> +inline MaybeLocal +MakeMaybe(MaybeMaybe v) { + return imp::Maybefier >::convert(v); +} + +//=== TypedArrayContents ======================================================= + +#include "nan_typedarray_contents.h" // NOLINT(build/include) + +//=== JSON ===================================================================== + +#include "nan_json.h" // NOLINT(build/include) + +} // end of namespace Nan + +#endif // NAN_H_ diff --git a/node_modules/nan/nan_callbacks.h b/node_modules/nan/nan_callbacks.h new file mode 100644 index 0000000..53ede84 --- /dev/null +++ b/node_modules/nan/nan_callbacks.h @@ -0,0 +1,88 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_CALLBACKS_H_ +#define NAN_CALLBACKS_H_ + +template class FunctionCallbackInfo; +template class PropertyCallbackInfo; +template class Global; + +typedef void(*FunctionCallback)(const FunctionCallbackInfo&); +typedef void(*GetterCallback) + (v8::Local, const PropertyCallbackInfo&); +typedef void(*SetterCallback)( + v8::Local, + v8::Local, + const PropertyCallbackInfo&); +typedef void(*PropertyGetterCallback)( + v8::Local, + const PropertyCallbackInfo&); +typedef void(*PropertySetterCallback)( + v8::Local, + v8::Local, + const PropertyCallbackInfo&); +typedef void(*PropertyEnumeratorCallback) + (const PropertyCallbackInfo&); +typedef void(*PropertyDeleterCallback)( + v8::Local, + const PropertyCallbackInfo&); +typedef void(*PropertyQueryCallback)( + v8::Local, + const PropertyCallbackInfo&); +typedef void(*IndexGetterCallback)( + uint32_t, + const PropertyCallbackInfo&); +typedef void(*IndexSetterCallback)( + uint32_t, + v8::Local, + const PropertyCallbackInfo&); +typedef void(*IndexEnumeratorCallback) + (const PropertyCallbackInfo&); +typedef void(*IndexDeleterCallback)( + uint32_t, + const PropertyCallbackInfo&); +typedef void(*IndexQueryCallback)( + uint32_t, + const PropertyCallbackInfo&); + +namespace imp { +typedef v8::Local Sig; + +static const int kDataIndex = 0; + +static const int kFunctionIndex = 1; +static const int kFunctionFieldCount = 2; + +static const int kGetterIndex = 1; +static const int kSetterIndex = 2; +static const int kAccessorFieldCount = 3; + +static const int kPropertyGetterIndex = 1; +static const int kPropertySetterIndex = 2; +static const int kPropertyEnumeratorIndex = 3; +static const int kPropertyDeleterIndex = 4; +static const int kPropertyQueryIndex = 5; +static const int kPropertyFieldCount = 6; + +static const int kIndexPropertyGetterIndex = 1; +static const int kIndexPropertySetterIndex = 2; +static const int kIndexPropertyEnumeratorIndex = 3; +static const int kIndexPropertyDeleterIndex = 4; +static const int kIndexPropertyQueryIndex = 5; +static const int kIndexPropertyFieldCount = 6; + +} // end of namespace imp + +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION +# include "nan_callbacks_12_inl.h" // NOLINT(build/include) +#else +# include "nan_callbacks_pre_12_inl.h" // NOLINT(build/include) +#endif + +#endif // NAN_CALLBACKS_H_ diff --git a/node_modules/nan/nan_callbacks_12_inl.h b/node_modules/nan/nan_callbacks_12_inl.h new file mode 100644 index 0000000..c27b18d --- /dev/null +++ b/node_modules/nan/nan_callbacks_12_inl.h @@ -0,0 +1,514 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_CALLBACKS_12_INL_H_ +#define NAN_CALLBACKS_12_INL_H_ + +template +class ReturnValue { + v8::ReturnValue value_; + + public: + template + explicit inline ReturnValue(const v8::ReturnValue &value) : + value_(value) {} + template + explicit inline ReturnValue(const ReturnValue& that) + : value_(that.value_) { + TYPE_CHECK(T, S); + } + + // Handle setters + template inline void Set(const v8::Local &handle) { + TYPE_CHECK(T, S); + value_.Set(handle); + } + + template inline void Set(const Global &handle) { + TYPE_CHECK(T, S); +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && \ + (V8_MINOR_VERSION > 5 || (V8_MINOR_VERSION == 5 && \ + defined(V8_BUILD_NUMBER) && V8_BUILD_NUMBER >= 8)))) + value_.Set(handle); +#else + value_.Set(*reinterpret_cast*>(&handle)); + const_cast &>(handle).Reset(); +#endif + } + + // Fast primitive setters + inline void Set(bool value) { + TYPE_CHECK(T, v8::Boolean); + value_.Set(value); + } + + inline void Set(double i) { + TYPE_CHECK(T, v8::Number); + value_.Set(i); + } + + inline void Set(int32_t i) { + TYPE_CHECK(T, v8::Integer); + value_.Set(i); + } + + inline void Set(uint32_t i) { + TYPE_CHECK(T, v8::Integer); + value_.Set(i); + } + + // Fast JS primitive setters + inline void SetNull() { + TYPE_CHECK(T, v8::Primitive); + value_.SetNull(); + } + + inline void SetUndefined() { + TYPE_CHECK(T, v8::Primitive); + value_.SetUndefined(); + } + + inline void SetEmptyString() { + TYPE_CHECK(T, v8::String); + value_.SetEmptyString(); + } + + // Convenience getter for isolate + inline v8::Isolate *GetIsolate() const { + return value_.GetIsolate(); + } + + // Pointer setter: Uncompilable to prevent inadvertent misuse. + template + inline void Set(S *whatever) { TYPE_CHECK(S*, v8::Primitive); } +}; + +template +class FunctionCallbackInfo { + const v8::FunctionCallbackInfo &info_; + const v8::Local data_; + + public: + explicit inline FunctionCallbackInfo( + const v8::FunctionCallbackInfo &info + , v8::Local data) : + info_(info) + , data_(data) {} + + inline ReturnValue GetReturnValue() const { + return ReturnValue(info_.GetReturnValue()); + } + +#if NODE_MAJOR_VERSION < 10 + inline v8::Local Callee() const { return info_.Callee(); } +#endif + inline v8::Local Data() const { return data_; } + inline v8::Local Holder() const { return info_.Holder(); } + inline bool IsConstructCall() const { return info_.IsConstructCall(); } + inline int Length() const { return info_.Length(); } + inline v8::Local operator[](int i) const { return info_[i]; } + inline v8::Local This() const { return info_.This(); } + inline v8::Isolate *GetIsolate() const { return info_.GetIsolate(); } + + + protected: + static const int kHolderIndex = 0; + static const int kIsolateIndex = 1; + static const int kReturnValueDefaultValueIndex = 2; + static const int kReturnValueIndex = 3; + static const int kDataIndex = 4; + static const int kCalleeIndex = 5; + static const int kContextSaveIndex = 6; + static const int kArgsLength = 7; + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(FunctionCallbackInfo) +}; + +template +class PropertyCallbackInfo { + const v8::PropertyCallbackInfo &info_; + const v8::Local data_; + + public: + explicit inline PropertyCallbackInfo( + const v8::PropertyCallbackInfo &info + , const v8::Local data) : + info_(info) + , data_(data) {} + + inline v8::Isolate* GetIsolate() const { return info_.GetIsolate(); } + inline v8::Local Data() const { return data_; } + inline v8::Local This() const { return info_.This(); } + inline v8::Local Holder() const { return info_.Holder(); } + inline ReturnValue GetReturnValue() const { + return ReturnValue(info_.GetReturnValue()); + } + + protected: + static const int kHolderIndex = 0; + static const int kIsolateIndex = 1; + static const int kReturnValueDefaultValueIndex = 2; + static const int kReturnValueIndex = 3; + static const int kDataIndex = 4; + static const int kThisIndex = 5; + static const int kArgsLength = 6; + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(PropertyCallbackInfo) +}; + +namespace imp { +static +void FunctionCallbackWrapper(const v8::FunctionCallbackInfo &info) { + v8::Local obj = info.Data().As(); + FunctionCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kFunctionIndex).As()->Value())); + FunctionCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + callback(cbinfo); +} + +typedef void (*NativeFunction)(const v8::FunctionCallbackInfo &); + +#if NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION +static +void GetterCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + GetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kGetterIndex).As()->Value())); + callback(property.As(), cbinfo); +} + +typedef void (*NativeGetter) + (v8::Local, const v8::PropertyCallbackInfo &); + +static +void SetterCallbackWrapper( + v8::Local property + , v8::Local value + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + SetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kSetterIndex).As()->Value())); + callback(property.As(), value, cbinfo); +} + +typedef void (*NativeSetter)( + v8::Local + , v8::Local + , const v8::PropertyCallbackInfo &); +#else +static +void GetterCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + GetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kGetterIndex).As()->Value())); + callback(property, cbinfo); +} + +typedef void (*NativeGetter) + (v8::Local, const v8::PropertyCallbackInfo &); + +static +void SetterCallbackWrapper( + v8::Local property + , v8::Local value + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + SetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kSetterIndex).As()->Value())); + callback(property, value, cbinfo); +} + +typedef void (*NativeSetter)( + v8::Local + , v8::Local + , const v8::PropertyCallbackInfo &); +#endif + +#if NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION +static +void PropertyGetterCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyGetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyGetterIndex) + .As()->Value())); + callback(property.As(), cbinfo); +} + +typedef void (*NativePropertyGetter) + (v8::Local, const v8::PropertyCallbackInfo &); + +static +void PropertySetterCallbackWrapper( + v8::Local property + , v8::Local value + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertySetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertySetterIndex) + .As()->Value())); + callback(property.As(), value, cbinfo); +} + +typedef void (*NativePropertySetter)( + v8::Local + , v8::Local + , const v8::PropertyCallbackInfo &); + +static +void PropertyEnumeratorCallbackWrapper( + const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyEnumeratorCallback callback = + reinterpret_cast(reinterpret_cast( + obj->GetInternalField(kPropertyEnumeratorIndex) + .As()->Value())); + callback(cbinfo); +} + +typedef void (*NativePropertyEnumerator) + (const v8::PropertyCallbackInfo &); + +static +void PropertyDeleterCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyDeleterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyDeleterIndex) + .As()->Value())); + callback(property.As(), cbinfo); +} + +typedef void (NativePropertyDeleter) + (v8::Local, const v8::PropertyCallbackInfo &); + +static +void PropertyQueryCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyQueryCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyQueryIndex) + .As()->Value())); + callback(property.As(), cbinfo); +} + +typedef void (*NativePropertyQuery) + (v8::Local, const v8::PropertyCallbackInfo &); +#else +static +void PropertyGetterCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyGetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyGetterIndex) + .As()->Value())); + callback(property, cbinfo); +} + +typedef void (*NativePropertyGetter) + (v8::Local, const v8::PropertyCallbackInfo &); + +static +void PropertySetterCallbackWrapper( + v8::Local property + , v8::Local value + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertySetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertySetterIndex) + .As()->Value())); + callback(property, value, cbinfo); +} + +typedef void (*NativePropertySetter)( + v8::Local + , v8::Local + , const v8::PropertyCallbackInfo &); + +static +void PropertyEnumeratorCallbackWrapper( + const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyEnumeratorCallback callback = + reinterpret_cast(reinterpret_cast( + obj->GetInternalField(kPropertyEnumeratorIndex) + .As()->Value())); + callback(cbinfo); +} + +typedef void (*NativePropertyEnumerator) + (const v8::PropertyCallbackInfo &); + +static +void PropertyDeleterCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyDeleterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyDeleterIndex) + .As()->Value())); + callback(property, cbinfo); +} + +typedef void (NativePropertyDeleter) + (v8::Local, const v8::PropertyCallbackInfo &); + +static +void PropertyQueryCallbackWrapper( + v8::Local property + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyQueryCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyQueryIndex) + .As()->Value())); + callback(property, cbinfo); +} + +typedef void (*NativePropertyQuery) + (v8::Local, const v8::PropertyCallbackInfo &); +#endif + +static +void IndexGetterCallbackWrapper( + uint32_t index, const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexGetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyGetterIndex) + .As()->Value())); + callback(index, cbinfo); +} + +typedef void (*NativeIndexGetter) + (uint32_t, const v8::PropertyCallbackInfo &); + +static +void IndexSetterCallbackWrapper( + uint32_t index + , v8::Local value + , const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexSetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertySetterIndex) + .As()->Value())); + callback(index, value, cbinfo); +} + +typedef void (*NativeIndexSetter)( + uint32_t + , v8::Local + , const v8::PropertyCallbackInfo &); + +static +void IndexEnumeratorCallbackWrapper( + const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexEnumeratorCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField( + kIndexPropertyEnumeratorIndex).As()->Value())); + callback(cbinfo); +} + +typedef void (*NativeIndexEnumerator) + (const v8::PropertyCallbackInfo &); + +static +void IndexDeleterCallbackWrapper( + uint32_t index, const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexDeleterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyDeleterIndex) + .As()->Value())); + callback(index, cbinfo); +} + +typedef void (*NativeIndexDeleter) + (uint32_t, const v8::PropertyCallbackInfo &); + +static +void IndexQueryCallbackWrapper( + uint32_t index, const v8::PropertyCallbackInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexQueryCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyQueryIndex) + .As()->Value())); + callback(index, cbinfo); +} + +typedef void (*NativeIndexQuery) + (uint32_t, const v8::PropertyCallbackInfo &); +} // end of namespace imp + +#endif // NAN_CALLBACKS_12_INL_H_ diff --git a/node_modules/nan/nan_callbacks_pre_12_inl.h b/node_modules/nan/nan_callbacks_pre_12_inl.h new file mode 100644 index 0000000..c9ba499 --- /dev/null +++ b/node_modules/nan/nan_callbacks_pre_12_inl.h @@ -0,0 +1,520 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_CALLBACKS_PRE_12_INL_H_ +#define NAN_CALLBACKS_PRE_12_INL_H_ + +namespace imp { +template class ReturnValueImp; +} // end of namespace imp + +template +class ReturnValue { + v8::Isolate *isolate_; + v8::Persistent *value_; + friend class imp::ReturnValueImp; + + public: + template + explicit inline ReturnValue(v8::Isolate *isolate, v8::Persistent *p) : + isolate_(isolate), value_(p) {} + template + explicit inline ReturnValue(const ReturnValue& that) + : isolate_(that.isolate_), value_(that.value_) { + TYPE_CHECK(T, S); + } + + // Handle setters + template inline void Set(const v8::Local &handle) { + TYPE_CHECK(T, S); + value_->Dispose(); + *value_ = v8::Persistent::New(handle); + } + + template inline void Set(const Global &handle) { + TYPE_CHECK(T, S); + value_->Dispose(); + *value_ = v8::Persistent::New(handle.persistent); + const_cast &>(handle).Reset(); + } + + // Fast primitive setters + inline void Set(bool value) { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::Boolean); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::Boolean::New(value)); + } + + inline void Set(double i) { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::Number); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::Number::New(i)); + } + + inline void Set(int32_t i) { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::Integer); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::Int32::New(i)); + } + + inline void Set(uint32_t i) { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::Integer); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::Uint32::NewFromUnsigned(i)); + } + + // Fast JS primitive setters + inline void SetNull() { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::Primitive); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::Null()); + } + + inline void SetUndefined() { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::Primitive); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::Undefined()); + } + + inline void SetEmptyString() { + v8::HandleScope scope; + + TYPE_CHECK(T, v8::String); + value_->Dispose(); + *value_ = v8::Persistent::New(v8::String::Empty()); + } + + // Convenience getter for isolate + inline v8::Isolate *GetIsolate() const { + return isolate_; + } + + // Pointer setter: Uncompilable to prevent inadvertent misuse. + template + inline void Set(S *whatever) { TYPE_CHECK(S*, v8::Primitive); } +}; + +template +class FunctionCallbackInfo { + const v8::Arguments &args_; + v8::Local data_; + ReturnValue return_value_; + v8::Persistent retval_; + + public: + explicit inline FunctionCallbackInfo( + const v8::Arguments &args + , v8::Local data) : + args_(args) + , data_(data) + , return_value_(args.GetIsolate(), &retval_) + , retval_(v8::Persistent::New(v8::Undefined())) {} + + inline ~FunctionCallbackInfo() { + retval_.Dispose(); + retval_.Clear(); + } + + inline ReturnValue GetReturnValue() const { + return ReturnValue(return_value_); + } + + inline v8::Local Callee() const { return args_.Callee(); } + inline v8::Local Data() const { return data_; } + inline v8::Local Holder() const { return args_.Holder(); } + inline bool IsConstructCall() const { return args_.IsConstructCall(); } + inline int Length() const { return args_.Length(); } + inline v8::Local operator[](int i) const { return args_[i]; } + inline v8::Local This() const { return args_.This(); } + inline v8::Isolate *GetIsolate() const { return args_.GetIsolate(); } + + + protected: + static const int kHolderIndex = 0; + static const int kIsolateIndex = 1; + static const int kReturnValueDefaultValueIndex = 2; + static const int kReturnValueIndex = 3; + static const int kDataIndex = 4; + static const int kCalleeIndex = 5; + static const int kContextSaveIndex = 6; + static const int kArgsLength = 7; + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(FunctionCallbackInfo) +}; + +template +class PropertyCallbackInfoBase { + const v8::AccessorInfo &info_; + const v8::Local data_; + + public: + explicit inline PropertyCallbackInfoBase( + const v8::AccessorInfo &info + , const v8::Local data) : + info_(info) + , data_(data) {} + + inline v8::Isolate* GetIsolate() const { return info_.GetIsolate(); } + inline v8::Local Data() const { return data_; } + inline v8::Local This() const { return info_.This(); } + inline v8::Local Holder() const { return info_.Holder(); } + + protected: + static const int kHolderIndex = 0; + static const int kIsolateIndex = 1; + static const int kReturnValueDefaultValueIndex = 2; + static const int kReturnValueIndex = 3; + static const int kDataIndex = 4; + static const int kThisIndex = 5; + static const int kArgsLength = 6; + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(PropertyCallbackInfoBase) +}; + +template +class PropertyCallbackInfo : public PropertyCallbackInfoBase { + ReturnValue return_value_; + v8::Persistent retval_; + + public: + explicit inline PropertyCallbackInfo( + const v8::AccessorInfo &info + , const v8::Local data) : + PropertyCallbackInfoBase(info, data) + , return_value_(info.GetIsolate(), &retval_) + , retval_(v8::Persistent::New(v8::Undefined())) {} + + inline ~PropertyCallbackInfo() { + retval_.Dispose(); + retval_.Clear(); + } + + inline ReturnValue GetReturnValue() const { return return_value_; } +}; + +template<> +class PropertyCallbackInfo : + public PropertyCallbackInfoBase { + ReturnValue return_value_; + v8::Persistent retval_; + + public: + explicit inline PropertyCallbackInfo( + const v8::AccessorInfo &info + , const v8::Local data) : + PropertyCallbackInfoBase(info, data) + , return_value_(info.GetIsolate(), &retval_) + , retval_(v8::Persistent::New(v8::Local())) {} + + inline ~PropertyCallbackInfo() { + retval_.Dispose(); + retval_.Clear(); + } + + inline ReturnValue GetReturnValue() const { + return return_value_; + } +}; + +template<> +class PropertyCallbackInfo : + public PropertyCallbackInfoBase { + ReturnValue return_value_; + v8::Persistent retval_; + + public: + explicit inline PropertyCallbackInfo( + const v8::AccessorInfo &info + , const v8::Local data) : + PropertyCallbackInfoBase(info, data) + , return_value_(info.GetIsolate(), &retval_) + , retval_(v8::Persistent::New(v8::Local())) {} + + inline ~PropertyCallbackInfo() { + retval_.Dispose(); + retval_.Clear(); + } + + inline ReturnValue GetReturnValue() const { + return return_value_; + } +}; + +template<> +class PropertyCallbackInfo : + public PropertyCallbackInfoBase { + ReturnValue return_value_; + v8::Persistent retval_; + + public: + explicit inline PropertyCallbackInfo( + const v8::AccessorInfo &info + , const v8::Local data) : + PropertyCallbackInfoBase(info, data) + , return_value_(info.GetIsolate(), &retval_) + , retval_(v8::Persistent::New(v8::Local())) {} + + inline ~PropertyCallbackInfo() { + retval_.Dispose(); + retval_.Clear(); + } + + inline ReturnValue GetReturnValue() const { + return return_value_; + } +}; + +namespace imp { +template +class ReturnValueImp : public ReturnValue { + public: + explicit ReturnValueImp(ReturnValue that) : + ReturnValue(that) {} + inline v8::Handle Value() { + return *ReturnValue::value_; + } +}; + +static +v8::Handle FunctionCallbackWrapper(const v8::Arguments &args) { + v8::Local obj = args.Data().As(); + FunctionCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kFunctionIndex).As()->Value())); + FunctionCallbackInfo + cbinfo(args, obj->GetInternalField(kDataIndex)); + callback(cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeFunction)(const v8::Arguments &); + +static +v8::Handle GetterCallbackWrapper( + v8::Local property, const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + GetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kGetterIndex).As()->Value())); + callback(property, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeGetter) + (v8::Local, const v8::AccessorInfo &); + +static +void SetterCallbackWrapper( + v8::Local property + , v8::Local value + , const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + SetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kSetterIndex).As()->Value())); + callback(property, value, cbinfo); +} + +typedef void (*NativeSetter) + (v8::Local, v8::Local, const v8::AccessorInfo &); + +static +v8::Handle PropertyGetterCallbackWrapper( + v8::Local property, const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyGetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyGetterIndex) + .As()->Value())); + callback(property, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativePropertyGetter) + (v8::Local, const v8::AccessorInfo &); + +static +v8::Handle PropertySetterCallbackWrapper( + v8::Local property + , v8::Local value + , const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertySetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertySetterIndex) + .As()->Value())); + callback(property, value, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativePropertySetter) + (v8::Local, v8::Local, const v8::AccessorInfo &); + +static +v8::Handle PropertyEnumeratorCallbackWrapper( + const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyEnumeratorCallback callback = + reinterpret_cast(reinterpret_cast( + obj->GetInternalField(kPropertyEnumeratorIndex) + .As()->Value())); + callback(cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativePropertyEnumerator) + (const v8::AccessorInfo &); + +static +v8::Handle PropertyDeleterCallbackWrapper( + v8::Local property + , const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyDeleterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyDeleterIndex) + .As()->Value())); + callback(property, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (NativePropertyDeleter) + (v8::Local, const v8::AccessorInfo &); + +static +v8::Handle PropertyQueryCallbackWrapper( + v8::Local property, const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + PropertyQueryCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kPropertyQueryIndex) + .As()->Value())); + callback(property, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativePropertyQuery) + (v8::Local, const v8::AccessorInfo &); + +static +v8::Handle IndexGetterCallbackWrapper( + uint32_t index, const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexGetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyGetterIndex) + .As()->Value())); + callback(index, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeIndexGetter) + (uint32_t, const v8::AccessorInfo &); + +static +v8::Handle IndexSetterCallbackWrapper( + uint32_t index + , v8::Local value + , const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexSetterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertySetterIndex) + .As()->Value())); + callback(index, value, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeIndexSetter) + (uint32_t, v8::Local, const v8::AccessorInfo &); + +static +v8::Handle IndexEnumeratorCallbackWrapper( + const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexEnumeratorCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyEnumeratorIndex) + .As()->Value())); + callback(cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeIndexEnumerator) + (const v8::AccessorInfo &); + +static +v8::Handle IndexDeleterCallbackWrapper( + uint32_t index, const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexDeleterCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyDeleterIndex) + .As()->Value())); + callback(index, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeIndexDeleter) + (uint32_t, const v8::AccessorInfo &); + +static +v8::Handle IndexQueryCallbackWrapper( + uint32_t index, const v8::AccessorInfo &info) { + v8::Local obj = info.Data().As(); + PropertyCallbackInfo + cbinfo(info, obj->GetInternalField(kDataIndex)); + IndexQueryCallback callback = reinterpret_cast( + reinterpret_cast( + obj->GetInternalField(kIndexPropertyQueryIndex) + .As()->Value())); + callback(index, cbinfo); + return ReturnValueImp(cbinfo.GetReturnValue()).Value(); +} + +typedef v8::Handle (*NativeIndexQuery) + (uint32_t, const v8::AccessorInfo &); +} // end of namespace imp + +#endif // NAN_CALLBACKS_PRE_12_INL_H_ diff --git a/node_modules/nan/nan_converters.h b/node_modules/nan/nan_converters.h new file mode 100644 index 0000000..c0b3272 --- /dev/null +++ b/node_modules/nan/nan_converters.h @@ -0,0 +1,72 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_CONVERTERS_H_ +#define NAN_CONVERTERS_H_ + +namespace imp { +template struct ToFactoryBase { + typedef MaybeLocal return_t; +}; +template struct ValueFactoryBase { typedef Maybe return_t; }; + +template struct ToFactory; + +template<> +struct ToFactory : ToFactoryBase { + static inline return_t convert(v8::Local val) { + if (val.IsEmpty() || !val->IsFunction()) return MaybeLocal(); + return MaybeLocal(val.As()); + } +}; + +#define X(TYPE) \ + template<> \ + struct ToFactory : ToFactoryBase { \ + static inline return_t convert(v8::Local val); \ + }; + +X(Boolean) +X(Number) +X(String) +X(Object) +X(Integer) +X(Uint32) +X(Int32) + +#undef X + +#define X(TYPE) \ + template<> \ + struct ToFactory : ValueFactoryBase { \ + static inline return_t convert(v8::Local val); \ + }; + +X(bool) +X(double) +X(int64_t) +X(uint32_t) +X(int32_t) + +#undef X +} // end of namespace imp + +template +inline +typename imp::ToFactory::return_t To(v8::Local val) { + return imp::ToFactory::convert(val); +} + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +# include "nan_converters_43_inl.h" +#else +# include "nan_converters_pre_43_inl.h" +#endif + +#endif // NAN_CONVERTERS_H_ diff --git a/node_modules/nan/nan_converters_43_inl.h b/node_modules/nan/nan_converters_43_inl.h new file mode 100644 index 0000000..41b72de --- /dev/null +++ b/node_modules/nan/nan_converters_43_inl.h @@ -0,0 +1,68 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_CONVERTERS_43_INL_H_ +#define NAN_CONVERTERS_43_INL_H_ + +#define X(TYPE) \ +imp::ToFactory::return_t \ +imp::ToFactory::convert(v8::Local val) { \ + v8::Isolate *isolate = v8::Isolate::GetCurrent(); \ + v8::EscapableHandleScope scope(isolate); \ + return scope.Escape( \ + val->To ## TYPE(isolate->GetCurrentContext()) \ + .FromMaybe(v8::Local())); \ +} + +X(Number) +X(String) +X(Object) +X(Integer) +X(Uint32) +X(Int32) +// V8 <= 7.0 +#if V8_MAJOR_VERSION < 7 || (V8_MAJOR_VERSION == 7 && V8_MINOR_VERSION == 0) +X(Boolean) +#else +imp::ToFactory::return_t \ +imp::ToFactory::convert(v8::Local val) { \ + v8::Isolate *isolate = v8::Isolate::GetCurrent(); \ + v8::EscapableHandleScope scope(isolate); \ + return scope.Escape(val->ToBoolean(isolate)); \ +} +#endif + +#undef X + +#define X(TYPE, NAME) \ +imp::ToFactory::return_t \ +imp::ToFactory::convert(v8::Local val) { \ + v8::Isolate *isolate = v8::Isolate::GetCurrent(); \ + v8::HandleScope scope(isolate); \ + return val->NAME ## Value(isolate->GetCurrentContext()); \ +} + +X(double, Number) +X(int64_t, Integer) +X(uint32_t, Uint32) +X(int32_t, Int32) +// V8 <= 7.0 +#if V8_MAJOR_VERSION < 7 || (V8_MAJOR_VERSION == 7 && V8_MINOR_VERSION == 0) +X(bool, Boolean) +#else +imp::ToFactory::return_t \ +imp::ToFactory::convert(v8::Local val) { \ + v8::Isolate *isolate = v8::Isolate::GetCurrent(); \ + v8::HandleScope scope(isolate); \ + return Just(val->BooleanValue(isolate)); \ +} +#endif + +#undef X + +#endif // NAN_CONVERTERS_43_INL_H_ diff --git a/node_modules/nan/nan_converters_pre_43_inl.h b/node_modules/nan/nan_converters_pre_43_inl.h new file mode 100644 index 0000000..ae0518a --- /dev/null +++ b/node_modules/nan/nan_converters_pre_43_inl.h @@ -0,0 +1,42 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_CONVERTERS_PRE_43_INL_H_ +#define NAN_CONVERTERS_PRE_43_INL_H_ + +#define X(TYPE) \ +imp::ToFactory::return_t \ +imp::ToFactory::convert(v8::Local val) { \ + return val->To ## TYPE(); \ +} + +X(Boolean) +X(Number) +X(String) +X(Object) +X(Integer) +X(Uint32) +X(Int32) + +#undef X + +#define X(TYPE, NAME) \ +imp::ToFactory::return_t \ +imp::ToFactory::convert(v8::Local val) { \ + return Just(val->NAME ## Value()); \ +} + +X(bool, Boolean) +X(double, Number) +X(int64_t, Integer) +X(uint32_t, Uint32) +X(int32_t, Int32) + +#undef X + +#endif // NAN_CONVERTERS_PRE_43_INL_H_ diff --git a/node_modules/nan/nan_define_own_property_helper.h b/node_modules/nan/nan_define_own_property_helper.h new file mode 100644 index 0000000..d710ef2 --- /dev/null +++ b/node_modules/nan/nan_define_own_property_helper.h @@ -0,0 +1,29 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_DEFINE_OWN_PROPERTY_HELPER_H_ +#define NAN_DEFINE_OWN_PROPERTY_HELPER_H_ + +namespace imp { + +inline Maybe DefineOwnPropertyHelper( + v8::PropertyAttribute current + , v8::Handle obj + , v8::Handle key + , v8::Handle value + , v8::PropertyAttribute attribs = v8::None) { + return !(current & v8::DontDelete) || // configurable OR + (!(current & v8::ReadOnly) && // writable AND + !((attribs ^ current) & ~v8::ReadOnly)) // same excluding RO + ? Just(obj->ForceSet(key, value, attribs)) + : Nothing(); +} + +} // end of namespace imp + +#endif // NAN_DEFINE_OWN_PROPERTY_HELPER_H_ diff --git a/node_modules/nan/nan_implementation_12_inl.h b/node_modules/nan/nan_implementation_12_inl.h new file mode 100644 index 0000000..255293a --- /dev/null +++ b/node_modules/nan/nan_implementation_12_inl.h @@ -0,0 +1,430 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_IMPLEMENTATION_12_INL_H_ +#define NAN_IMPLEMENTATION_12_INL_H_ +//============================================================================== +// node v0.11 implementation +//============================================================================== + +namespace imp { + +//=== Array ==================================================================== + +Factory::return_t +Factory::New() { + return v8::Array::New(v8::Isolate::GetCurrent()); +} + +Factory::return_t +Factory::New(int length) { + return v8::Array::New(v8::Isolate::GetCurrent(), length); +} + +//=== Boolean ================================================================== + +Factory::return_t +Factory::New(bool value) { + return v8::Boolean::New(v8::Isolate::GetCurrent(), value); +} + +//=== Boolean Object =========================================================== + +Factory::return_t +Factory::New(bool value) { +#if (NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION) + return v8::BooleanObject::New( + v8::Isolate::GetCurrent(), value).As(); +#else + return v8::BooleanObject::New(value).As(); +#endif +} + +//=== Context ================================================================== + +Factory::return_t +Factory::New( v8::ExtensionConfiguration* extensions + , v8::Local tmpl + , v8::Local obj) { + return v8::Context::New(v8::Isolate::GetCurrent(), extensions, tmpl, obj); +} + +//=== Date ===================================================================== + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +Factory::return_t +Factory::New(double value) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(v8::Date::New(isolate->GetCurrentContext(), value) + .FromMaybe(v8::Local()).As()); +} +#else +Factory::return_t +Factory::New(double value) { + return v8::Date::New(v8::Isolate::GetCurrent(), value).As(); +} +#endif + +//=== External ================================================================= + +Factory::return_t +Factory::New(void * value) { + return v8::External::New(v8::Isolate::GetCurrent(), value); +} + +//=== Function ================================================================= + +Factory::return_t +Factory::New( FunctionCallback callback + , v8::Local data) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::Local tpl = v8::ObjectTemplate::New(isolate); + tpl->SetInternalFieldCount(imp::kFunctionFieldCount); + v8::Local obj = NewInstance(tpl).ToLocalChecked(); + + obj->SetInternalField( + imp::kFunctionIndex + , v8::External::New(isolate, reinterpret_cast(callback))); + + v8::Local val = v8::Local::New(isolate, data); + + if (!val.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, val); + } + +#if NODE_MAJOR_VERSION >= 10 + v8::Local context = isolate->GetCurrentContext(); + v8::Local function = + v8::Function::New(context, imp::FunctionCallbackWrapper, obj) + .ToLocalChecked(); +#else + v8::Local function = + v8::Function::New(isolate, imp::FunctionCallbackWrapper, obj); +#endif + + return scope.Escape(function); +} + +//=== Function Template ======================================================== + +Factory::return_t +Factory::New( FunctionCallback callback + , v8::Local data + , v8::Local signature) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + if (callback) { + v8::EscapableHandleScope scope(isolate); + v8::Local tpl = v8::ObjectTemplate::New(isolate); + tpl->SetInternalFieldCount(imp::kFunctionFieldCount); + v8::Local obj = NewInstance(tpl).ToLocalChecked(); + + obj->SetInternalField( + imp::kFunctionIndex + , v8::External::New(isolate, reinterpret_cast(callback))); + v8::Local val = v8::Local::New(isolate, data); + + if (!val.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, val); + } + + return scope.Escape(v8::FunctionTemplate::New( isolate + , imp::FunctionCallbackWrapper + , obj + , signature)); + } else { + return v8::FunctionTemplate::New(isolate, 0, data, signature); + } +} + +//=== Number =================================================================== + +Factory::return_t +Factory::New(double value) { + return v8::Number::New(v8::Isolate::GetCurrent(), value); +} + +//=== Number Object ============================================================ + +Factory::return_t +Factory::New(double value) { + return v8::NumberObject::New( v8::Isolate::GetCurrent() + , value).As(); +} + +//=== Integer, Int32 and Uint32 ================================================ + +template +typename IntegerFactory::return_t +IntegerFactory::New(int32_t value) { + return To(T::New(v8::Isolate::GetCurrent(), value)); +} + +template +typename IntegerFactory::return_t +IntegerFactory::New(uint32_t value) { + return To(T::NewFromUnsigned(v8::Isolate::GetCurrent(), value)); +} + +Factory::return_t +Factory::New(int32_t value) { + return To( + v8::Uint32::NewFromUnsigned(v8::Isolate::GetCurrent(), value)); +} + +Factory::return_t +Factory::New(uint32_t value) { + return To( + v8::Uint32::NewFromUnsigned(v8::Isolate::GetCurrent(), value)); +} + +//=== Object =================================================================== + +Factory::return_t +Factory::New() { + return v8::Object::New(v8::Isolate::GetCurrent()); +} + +//=== Object Template ========================================================== + +Factory::return_t +Factory::New() { + return v8::ObjectTemplate::New(v8::Isolate::GetCurrent()); +} + +//=== RegExp =================================================================== + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +Factory::return_t +Factory::New( + v8::Local pattern + , v8::RegExp::Flags flags) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape( + v8::RegExp::New(isolate->GetCurrentContext(), pattern, flags) + .FromMaybe(v8::Local())); +} +#else +Factory::return_t +Factory::New( + v8::Local pattern + , v8::RegExp::Flags flags) { + return v8::RegExp::New(pattern, flags); +} +#endif + +//=== Script =================================================================== + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +Factory::return_t +Factory::New( v8::Local source) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::ScriptCompiler::Source src(source); + return scope.Escape( + v8::ScriptCompiler::Compile(isolate->GetCurrentContext(), &src) + .FromMaybe(v8::Local())); +} + +Factory::return_t +Factory::New( v8::Local source + , v8::ScriptOrigin const& origin) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::ScriptCompiler::Source src(source, origin); + return scope.Escape( + v8::ScriptCompiler::Compile(isolate->GetCurrentContext(), &src) + .FromMaybe(v8::Local())); +} +#else +Factory::return_t +Factory::New( v8::Local source) { + v8::ScriptCompiler::Source src(source); + return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &src); +} + +Factory::return_t +Factory::New( v8::Local source + , v8::ScriptOrigin const& origin) { + v8::ScriptCompiler::Source src(source, origin); + return v8::ScriptCompiler::Compile(v8::Isolate::GetCurrent(), &src); +} +#endif + +//=== Signature ================================================================ + +Factory::return_t +Factory::New(Factory::FTH receiver) { + return v8::Signature::New(v8::Isolate::GetCurrent(), receiver); +} + +//=== String =================================================================== + +Factory::return_t +Factory::New() { + return v8::String::Empty(v8::Isolate::GetCurrent()); +} + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +Factory::return_t +Factory::New(const char * value, int length) { + return v8::String::NewFromUtf8( + v8::Isolate::GetCurrent(), value, v8::NewStringType::kNormal, length); +} + +Factory::return_t +Factory::New(std::string const& value) { + assert(value.size() <= INT_MAX && "string too long"); + return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), + value.data(), v8::NewStringType::kNormal, static_cast(value.size())); +} + +Factory::return_t +Factory::New(const uint16_t * value, int length) { + return v8::String::NewFromTwoByte(v8::Isolate::GetCurrent(), value, + v8::NewStringType::kNormal, length); +} + +Factory::return_t +Factory::New(v8::String::ExternalStringResource * value) { + return v8::String::NewExternalTwoByte(v8::Isolate::GetCurrent(), value); +} + +Factory::return_t +Factory::New(ExternalOneByteStringResource * value) { + return v8::String::NewExternalOneByte(v8::Isolate::GetCurrent(), value); +} +#else +Factory::return_t +Factory::New(const char * value, int length) { + return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), value, + v8::String::kNormalString, length); +} + +Factory::return_t +Factory::New( + std::string const& value) /* NOLINT(build/include_what_you_use) */ { + assert(value.size() <= INT_MAX && "string too long"); + return v8::String::NewFromUtf8(v8::Isolate::GetCurrent(), value.data(), + v8::String::kNormalString, + static_cast(value.size())); +} + +Factory::return_t +Factory::New(const uint16_t * value, int length) { + return v8::String::NewFromTwoByte(v8::Isolate::GetCurrent(), value, + v8::String::kNormalString, length); +} + +Factory::return_t +Factory::New(v8::String::ExternalStringResource * value) { + return v8::String::NewExternal(v8::Isolate::GetCurrent(), value); +} + +Factory::return_t +Factory::New(ExternalOneByteStringResource * value) { + return v8::String::NewExternal(v8::Isolate::GetCurrent(), value); +} +#endif + +//=== String Object ============================================================ + +// See https://github.com/nodejs/nan/pull/811#discussion_r224594980. +// Disable the warning as there is no way around it. +// TODO(bnoordhuis) Use isolate-based version in Node.js v12. +Factory::return_t +Factory::New(v8::Local value) { +// V8 > 7.0 +#if V8_MAJOR_VERSION > 7 || (V8_MAJOR_VERSION == 7 && V8_MINOR_VERSION > 0) + return v8::StringObject::New(v8::Isolate::GetCurrent(), value) + .As(); +#else +#ifdef _MSC_VER +#pragma warning(push) +#pragma warning(disable : 4996) +#endif +#ifdef __GNUC__ +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wdeprecated-declarations" +#endif + return v8::StringObject::New(value).As(); +#ifdef __GNUC__ +#pragma GCC diagnostic pop +#endif +#ifdef _MSC_VER +#pragma warning(pop) +#endif +#endif +} + +//=== Unbound Script =========================================================== + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +Factory::return_t +Factory::New(v8::Local source) { + v8::ScriptCompiler::Source src(source); + return v8::ScriptCompiler::CompileUnboundScript( + v8::Isolate::GetCurrent(), &src); +} + +Factory::return_t +Factory::New( v8::Local source + , v8::ScriptOrigin const& origin) { + v8::ScriptCompiler::Source src(source, origin); + return v8::ScriptCompiler::CompileUnboundScript( + v8::Isolate::GetCurrent(), &src); +} +#else +Factory::return_t +Factory::New(v8::Local source) { + v8::ScriptCompiler::Source src(source); + return v8::ScriptCompiler::CompileUnbound(v8::Isolate::GetCurrent(), &src); +} + +Factory::return_t +Factory::New( v8::Local source + , v8::ScriptOrigin const& origin) { + v8::ScriptCompiler::Source src(source, origin); + return v8::ScriptCompiler::CompileUnbound(v8::Isolate::GetCurrent(), &src); +} +#endif + +} // end of namespace imp + +//=== Presistents and Handles ================================================== + +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION +template +inline v8::Local New(v8::Handle h) { + return v8::Local::New(v8::Isolate::GetCurrent(), h); +} +#endif + +template +inline v8::Local New(v8::Persistent const& p) { + return v8::Local::New(v8::Isolate::GetCurrent(), p); +} + +template +inline v8::Local New(Persistent const& p) { + return v8::Local::New(v8::Isolate::GetCurrent(), p); +} + +template +inline v8::Local New(Global const& p) { + return v8::Local::New(v8::Isolate::GetCurrent(), p); +} + +#endif // NAN_IMPLEMENTATION_12_INL_H_ diff --git a/node_modules/nan/nan_implementation_pre_12_inl.h b/node_modules/nan/nan_implementation_pre_12_inl.h new file mode 100644 index 0000000..1472421 --- /dev/null +++ b/node_modules/nan/nan_implementation_pre_12_inl.h @@ -0,0 +1,263 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_IMPLEMENTATION_PRE_12_INL_H_ +#define NAN_IMPLEMENTATION_PRE_12_INL_H_ + +//============================================================================== +// node v0.10 implementation +//============================================================================== + +namespace imp { + +//=== Array ==================================================================== + +Factory::return_t +Factory::New() { + return v8::Array::New(); +} + +Factory::return_t +Factory::New(int length) { + return v8::Array::New(length); +} + +//=== Boolean ================================================================== + +Factory::return_t +Factory::New(bool value) { + return v8::Boolean::New(value)->ToBoolean(); +} + +//=== Boolean Object =========================================================== + +Factory::return_t +Factory::New(bool value) { + return v8::BooleanObject::New(value).As(); +} + +//=== Context ================================================================== + +Factory::return_t +Factory::New( v8::ExtensionConfiguration* extensions + , v8::Local tmpl + , v8::Local obj) { + v8::Persistent ctx = v8::Context::New(extensions, tmpl, obj); + v8::Local lctx = v8::Local::New(ctx); + ctx.Dispose(); + return lctx; +} + +//=== Date ===================================================================== + +Factory::return_t +Factory::New(double value) { + return v8::Date::New(value).As(); +} + +//=== External ================================================================= + +Factory::return_t +Factory::New(void * value) { + return v8::External::New(value); +} + +//=== Function ================================================================= + +Factory::return_t +Factory::New( FunctionCallback callback + , v8::Local data) { + v8::HandleScope scope; + + return scope.Close(Factory::New( + callback, data, v8::Local()) + ->GetFunction()); +} + + +//=== FunctionTemplate ========================================================= + +Factory::return_t +Factory::New( FunctionCallback callback + , v8::Local data + , v8::Local signature) { + if (callback) { + v8::HandleScope scope; + + v8::Local tpl = v8::ObjectTemplate::New(); + tpl->SetInternalFieldCount(imp::kFunctionFieldCount); + v8::Local obj = tpl->NewInstance(); + + obj->SetInternalField( + imp::kFunctionIndex + , v8::External::New(reinterpret_cast(callback))); + + v8::Local val = v8::Local::New(data); + + if (!val.IsEmpty()) { + obj->SetInternalField(imp::kDataIndex, val); + } + + // Note(agnat): Emulate length argument here. Unfortunately, I couldn't find + // a way. Have at it though... + return scope.Close( + v8::FunctionTemplate::New(imp::FunctionCallbackWrapper + , obj + , signature)); + } else { + return v8::FunctionTemplate::New(0, data, signature); + } +} + +//=== Number =================================================================== + +Factory::return_t +Factory::New(double value) { + return v8::Number::New(value); +} + +//=== Number Object ============================================================ + +Factory::return_t +Factory::New(double value) { + return v8::NumberObject::New(value).As(); +} + +//=== Integer, Int32 and Uint32 ================================================ + +template +typename IntegerFactory::return_t +IntegerFactory::New(int32_t value) { + return To(T::New(value)); +} + +template +typename IntegerFactory::return_t +IntegerFactory::New(uint32_t value) { + return To(T::NewFromUnsigned(value)); +} + +Factory::return_t +Factory::New(int32_t value) { + return To(v8::Uint32::NewFromUnsigned(value)); +} + +Factory::return_t +Factory::New(uint32_t value) { + return To(v8::Uint32::NewFromUnsigned(value)); +} + + +//=== Object =================================================================== + +Factory::return_t +Factory::New() { + return v8::Object::New(); +} + +//=== Object Template ========================================================== + +Factory::return_t +Factory::New() { + return v8::ObjectTemplate::New(); +} + +//=== RegExp =================================================================== + +Factory::return_t +Factory::New( + v8::Local pattern + , v8::RegExp::Flags flags) { + return v8::RegExp::New(pattern, flags); +} + +//=== Script =================================================================== + +Factory::return_t +Factory::New( v8::Local source) { + return v8::Script::New(source); +} +Factory::return_t +Factory::New( v8::Local source + , v8::ScriptOrigin const& origin) { + return v8::Script::New(source, const_cast(&origin)); +} + +//=== Signature ================================================================ + +Factory::return_t +Factory::New(Factory::FTH receiver) { + return v8::Signature::New(receiver); +} + +//=== String =================================================================== + +Factory::return_t +Factory::New() { + return v8::String::Empty(); +} + +Factory::return_t +Factory::New(const char * value, int length) { + return v8::String::New(value, length); +} + +Factory::return_t +Factory::New( + std::string const& value) /* NOLINT(build/include_what_you_use) */ { + assert(value.size() <= INT_MAX && "string too long"); + return v8::String::New(value.data(), static_cast(value.size())); +} + +Factory::return_t +Factory::New(const uint16_t * value, int length) { + return v8::String::New(value, length); +} + +Factory::return_t +Factory::New(v8::String::ExternalStringResource * value) { + return v8::String::NewExternal(value); +} + +Factory::return_t +Factory::New(v8::String::ExternalAsciiStringResource * value) { + return v8::String::NewExternal(value); +} + +//=== String Object ============================================================ + +Factory::return_t +Factory::New(v8::Local value) { + return v8::StringObject::New(value).As(); +} + +} // end of namespace imp + +//=== Presistents and Handles ================================================== + +template +inline v8::Local New(v8::Handle h) { + return v8::Local::New(h); +} + +template +inline v8::Local New(v8::Persistent const& p) { + return v8::Local::New(p); +} + +template +inline v8::Local New(Persistent const& p) { + return v8::Local::New(p.persistent); +} + +template +inline v8::Local New(Global const& p) { + return v8::Local::New(p.persistent); +} + +#endif // NAN_IMPLEMENTATION_PRE_12_INL_H_ diff --git a/node_modules/nan/nan_json.h b/node_modules/nan/nan_json.h new file mode 100644 index 0000000..33ac8ba --- /dev/null +++ b/node_modules/nan/nan_json.h @@ -0,0 +1,166 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_JSON_H_ +#define NAN_JSON_H_ + +#if NODE_MODULE_VERSION < NODE_0_12_MODULE_VERSION +#define NAN_JSON_H_NEED_PARSE 1 +#else +#define NAN_JSON_H_NEED_PARSE 0 +#endif // NODE_MODULE_VERSION < NODE_0_12_MODULE_VERSION + +#if NODE_MODULE_VERSION >= NODE_7_0_MODULE_VERSION +#define NAN_JSON_H_NEED_STRINGIFY 0 +#else +#define NAN_JSON_H_NEED_STRINGIFY 1 +#endif // NODE_MODULE_VERSION >= NODE_7_0_MODULE_VERSION + +class JSON { + public: + JSON() { +#if NAN_JSON_H_NEED_PARSE + NAN_JSON_H_NEED_STRINGIFY + Nan::HandleScope scope; + + Nan::MaybeLocal maybe_global_json = Nan::Get( + Nan::GetCurrentContext()->Global(), + Nan::New("JSON").ToLocalChecked() + ); + + assert(!maybe_global_json.IsEmpty() && "global JSON is empty"); + v8::Local val_global_json = maybe_global_json.ToLocalChecked(); + + assert(val_global_json->IsObject() && "global JSON is not an object"); + Nan::MaybeLocal maybe_obj_global_json = + Nan::To(val_global_json); + + assert(!maybe_obj_global_json.IsEmpty() && "global JSON object is empty"); + v8::Local global_json = maybe_obj_global_json.ToLocalChecked(); + +#if NAN_JSON_H_NEED_PARSE + Nan::MaybeLocal maybe_parse_method = Nan::Get( + global_json, Nan::New("parse").ToLocalChecked() + ); + + assert(!maybe_parse_method.IsEmpty() && "JSON.parse is empty"); + v8::Local parse_method = maybe_parse_method.ToLocalChecked(); + + assert(parse_method->IsFunction() && "JSON.parse is not a function"); + parse_cb_.Reset(parse_method.As()); +#endif // NAN_JSON_H_NEED_PARSE + +#if NAN_JSON_H_NEED_STRINGIFY + Nan::MaybeLocal maybe_stringify_method = Nan::Get( + global_json, Nan::New("stringify").ToLocalChecked() + ); + + assert(!maybe_stringify_method.IsEmpty() && "JSON.stringify is empty"); + v8::Local stringify_method = + maybe_stringify_method.ToLocalChecked(); + + assert( + stringify_method->IsFunction() && "JSON.stringify is not a function" + ); + stringify_cb_.Reset(stringify_method.As()); +#endif // NAN_JSON_H_NEED_STRINGIFY +#endif // NAN_JSON_H_NEED_PARSE + NAN_JSON_H_NEED_STRINGIFY + } + + inline + Nan::MaybeLocal Parse(v8::Local json_string) { + Nan::EscapableHandleScope scope; +#if NAN_JSON_H_NEED_PARSE + return scope.Escape(parse(json_string)); +#else + Nan::MaybeLocal result; +#if NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION && \ + NODE_MODULE_VERSION <= IOJS_2_0_MODULE_VERSION + result = v8::JSON::Parse(json_string); +#else +#if NODE_MODULE_VERSION > NODE_6_0_MODULE_VERSION + v8::Local context_or_isolate = Nan::GetCurrentContext(); +#else + v8::Isolate* context_or_isolate = v8::Isolate::GetCurrent(); +#endif // NODE_MODULE_VERSION > NODE_6_0_MODULE_VERSION + result = v8::JSON::Parse(context_or_isolate, json_string); +#endif // NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION && + // NODE_MODULE_VERSION <= IOJS_2_0_MODULE_VERSION + if (result.IsEmpty()) return v8::Local(); + return scope.Escape(result.ToLocalChecked()); +#endif // NAN_JSON_H_NEED_PARSE + } + + inline + Nan::MaybeLocal Stringify(v8::Local json_object) { + Nan::EscapableHandleScope scope; + Nan::MaybeLocal result = +#if NAN_JSON_H_NEED_STRINGIFY + Nan::To(stringify(json_object)); +#else + v8::JSON::Stringify(Nan::GetCurrentContext(), json_object); +#endif // NAN_JSON_H_NEED_STRINGIFY + if (result.IsEmpty()) return v8::Local(); + return scope.Escape(result.ToLocalChecked()); + } + + inline + Nan::MaybeLocal Stringify(v8::Local json_object, + v8::Local gap) { + Nan::EscapableHandleScope scope; + Nan::MaybeLocal result = +#if NAN_JSON_H_NEED_STRINGIFY + Nan::To(stringify(json_object, gap)); +#else + v8::JSON::Stringify(Nan::GetCurrentContext(), json_object, gap); +#endif // NAN_JSON_H_NEED_STRINGIFY + if (result.IsEmpty()) return v8::Local(); + return scope.Escape(result.ToLocalChecked()); + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(JSON) +#if NAN_JSON_H_NEED_PARSE + Nan::Callback parse_cb_; +#endif // NAN_JSON_H_NEED_PARSE +#if NAN_JSON_H_NEED_STRINGIFY + Nan::Callback stringify_cb_; +#endif // NAN_JSON_H_NEED_STRINGIFY + +#if NAN_JSON_H_NEED_PARSE + inline v8::Local parse(v8::Local arg) { + assert(!parse_cb_.IsEmpty() && "parse_cb_ is empty"); + AsyncResource resource("nan:JSON.parse"); + return parse_cb_.Call(1, &arg, &resource).FromMaybe(v8::Local()); + } +#endif // NAN_JSON_H_NEED_PARSE + +#if NAN_JSON_H_NEED_STRINGIFY + inline v8::Local stringify(v8::Local arg) { + assert(!stringify_cb_.IsEmpty() && "stringify_cb_ is empty"); + AsyncResource resource("nan:JSON.stringify"); + return stringify_cb_.Call(1, &arg, &resource) + .FromMaybe(v8::Local()); + } + + inline v8::Local stringify(v8::Local arg, + v8::Local gap) { + assert(!stringify_cb_.IsEmpty() && "stringify_cb_ is empty"); + + v8::Local argv[] = { + arg, + Nan::Null(), + gap + }; + AsyncResource resource("nan:JSON.stringify"); + return stringify_cb_.Call(3, argv, &resource) + .FromMaybe(v8::Local()); + } +#endif // NAN_JSON_H_NEED_STRINGIFY +}; + +#endif // NAN_JSON_H_ diff --git a/node_modules/nan/nan_maybe_43_inl.h b/node_modules/nan/nan_maybe_43_inl.h new file mode 100644 index 0000000..c04ce30 --- /dev/null +++ b/node_modules/nan/nan_maybe_43_inl.h @@ -0,0 +1,356 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_MAYBE_43_INL_H_ +#define NAN_MAYBE_43_INL_H_ + +template +using MaybeLocal = v8::MaybeLocal; + +inline +MaybeLocal ToDetailString(v8::Local val) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(val->ToDetailString(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline +MaybeLocal ToArrayIndex(v8::Local val) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(val->ToArrayIndex(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline +Maybe Equals(v8::Local a, v8::Local(b)) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return a->Equals(isolate->GetCurrentContext(), b); +} + +inline +MaybeLocal NewInstance(v8::Local h) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(h->NewInstance(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline +MaybeLocal NewInstance( + v8::Local h + , int argc + , v8::Local argv[]) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(h->NewInstance(isolate->GetCurrentContext(), argc, argv) + .FromMaybe(v8::Local())); +} + +inline +MaybeLocal NewInstance(v8::Local h) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(h->NewInstance(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + + +inline MaybeLocal GetFunction( + v8::Local t) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(t->GetFunction(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline Maybe Set( + v8::Local obj + , v8::Local key + , v8::Local value) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->Set(isolate->GetCurrentContext(), key, value); +} + +inline Maybe Set( + v8::Local obj + , uint32_t index + , v8::Local value) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->Set(isolate->GetCurrentContext(), index, value); +} + +#if NODE_MODULE_VERSION < NODE_4_0_MODULE_VERSION +#include "nan_define_own_property_helper.h" // NOLINT(build/include) +#endif + +inline Maybe DefineOwnProperty( + v8::Local obj + , v8::Local key + , v8::Local value + , v8::PropertyAttribute attribs = v8::None) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); +#if NODE_MODULE_VERSION >= NODE_4_0_MODULE_VERSION + return obj->DefineOwnProperty(isolate->GetCurrentContext(), key, value, + attribs); +#else + Maybe maybeCurrent = + obj->GetPropertyAttributes(isolate->GetCurrentContext(), key); + if (maybeCurrent.IsNothing()) { + return Nothing(); + } + v8::PropertyAttribute current = maybeCurrent.FromJust(); + return imp::DefineOwnPropertyHelper(current, obj, key, value, attribs); +#endif +} + +NAN_DEPRECATED inline Maybe ForceSet( + v8::Local obj + , v8::Local key + , v8::Local value + , v8::PropertyAttribute attribs = v8::None) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); +#if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION + return key->IsName() + ? obj->DefineOwnProperty(isolate->GetCurrentContext(), + key.As(), value, attribs) + : Nothing(); +#else + return obj->ForceSet(isolate->GetCurrentContext(), key, value, attribs); +#endif +} + +inline MaybeLocal Get( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(obj->Get(isolate->GetCurrentContext(), key) + .FromMaybe(v8::Local())); +} + +inline +MaybeLocal Get(v8::Local obj, uint32_t index) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(obj->Get(isolate->GetCurrentContext(), index) + .FromMaybe(v8::Local())); +} + +inline v8::PropertyAttribute GetPropertyAttributes( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->GetPropertyAttributes(isolate->GetCurrentContext(), key) + .FromJust(); +} + +inline Maybe Has( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->Has(isolate->GetCurrentContext(), key); +} + +inline Maybe Has(v8::Local obj, uint32_t index) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->Has(isolate->GetCurrentContext(), index); +} + +inline Maybe Delete( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->Delete(isolate->GetCurrentContext(), key); +} + +inline +Maybe Delete(v8::Local obj, uint32_t index) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->Delete(isolate->GetCurrentContext(), index); +} + +inline +MaybeLocal GetPropertyNames(v8::Local obj) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(obj->GetPropertyNames(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline +MaybeLocal GetOwnPropertyNames(v8::Local obj) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(obj->GetOwnPropertyNames(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline Maybe SetPrototype( + v8::Local obj + , v8::Local prototype) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->SetPrototype(isolate->GetCurrentContext(), prototype); +} + +inline MaybeLocal ObjectProtoToString( + v8::Local obj) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(obj->ObjectProtoToString(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline Maybe HasOwnProperty( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->HasOwnProperty(isolate->GetCurrentContext(), key); +} + +inline Maybe HasRealNamedProperty( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->HasRealNamedProperty(isolate->GetCurrentContext(), key); +} + +inline Maybe HasRealIndexedProperty( + v8::Local obj + , uint32_t index) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->HasRealIndexedProperty(isolate->GetCurrentContext(), index); +} + +inline Maybe HasRealNamedCallbackProperty( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return obj->HasRealNamedCallbackProperty(isolate->GetCurrentContext(), key); +} + +inline MaybeLocal GetRealNamedPropertyInPrototypeChain( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(obj->GetRealNamedPropertyInPrototypeChain( + isolate->GetCurrentContext(), key) + .FromMaybe(v8::Local())); +} + +inline MaybeLocal GetRealNamedProperty( + v8::Local obj + , v8::Local key) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape( + obj->GetRealNamedProperty(isolate->GetCurrentContext(), key) + .FromMaybe(v8::Local())); +} + +inline MaybeLocal CallAsFunction( + v8::Local obj + , v8::Local recv + , int argc + , v8::Local argv[]) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape( + obj->CallAsFunction(isolate->GetCurrentContext(), recv, argc, argv) + .FromMaybe(v8::Local())); +} + +inline MaybeLocal CallAsConstructor( + v8::Local obj + , int argc, v8::Local argv[]) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape( + obj->CallAsConstructor(isolate->GetCurrentContext(), argc, argv) + .FromMaybe(v8::Local())); +} + +inline +MaybeLocal GetSourceLine(v8::Local msg) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(msg->GetSourceLine(isolate->GetCurrentContext()) + .FromMaybe(v8::Local())); +} + +inline Maybe GetLineNumber(v8::Local msg) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return msg->GetLineNumber(isolate->GetCurrentContext()); +} + +inline Maybe GetStartColumn(v8::Local msg) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return msg->GetStartColumn(isolate->GetCurrentContext()); +} + +inline Maybe GetEndColumn(v8::Local msg) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::HandleScope scope(isolate); + return msg->GetEndColumn(isolate->GetCurrentContext()); +} + +inline MaybeLocal CloneElementAt( + v8::Local array + , uint32_t index) { +#if (NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION) + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::Local context = isolate->GetCurrentContext(); + v8::Local elem; + v8::Local obj; + if (!array->Get(context, index).ToLocal(&elem)) { + return scope.Escape(obj); + } + if (!elem->ToObject(context).ToLocal(&obj)) { + return scope.Escape(v8::Local()); + } + return scope.Escape(obj->Clone()); +#else + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(array->CloneElementAt(isolate->GetCurrentContext(), index) + .FromMaybe(v8::Local())); +#endif +} + +inline MaybeLocal Call( + v8::Local fun + , v8::Local recv + , int argc + , v8::Local argv[]) { + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + return scope.Escape(fun->Call(isolate->GetCurrentContext(), recv, argc, argv) + .FromMaybe(v8::Local())); +} + +#endif // NAN_MAYBE_43_INL_H_ diff --git a/node_modules/nan/nan_maybe_pre_43_inl.h b/node_modules/nan/nan_maybe_pre_43_inl.h new file mode 100644 index 0000000..83325ae --- /dev/null +++ b/node_modules/nan/nan_maybe_pre_43_inl.h @@ -0,0 +1,268 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_MAYBE_PRE_43_INL_H_ +#define NAN_MAYBE_PRE_43_INL_H_ + +template +class MaybeLocal { + public: + inline MaybeLocal() : val_(v8::Local()) {} + + template +# if NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION + inline + MaybeLocal(v8::Local that) : val_(that) {} // NOLINT(runtime/explicit) +# else + inline + MaybeLocal(v8::Local that) : // NOLINT(runtime/explicit) + val_(*reinterpret_cast*>(&that)) {} +# endif + + inline bool IsEmpty() const { return val_.IsEmpty(); } + + template + inline bool ToLocal(v8::Local *out) const { + *out = val_; + return !IsEmpty(); + } + + inline v8::Local ToLocalChecked() const { +#if defined(V8_ENABLE_CHECKS) + assert(!IsEmpty() && "ToLocalChecked is Empty"); +#endif // V8_ENABLE_CHECKS + return val_; + } + + template + inline v8::Local FromMaybe(v8::Local default_value) const { + return IsEmpty() ? default_value : v8::Local(val_); + } + + private: + v8::Local val_; +}; + +inline +MaybeLocal ToDetailString(v8::Handle val) { + return MaybeLocal(val->ToDetailString()); +} + +inline +MaybeLocal ToArrayIndex(v8::Handle val) { + return MaybeLocal(val->ToArrayIndex()); +} + +inline +Maybe Equals(v8::Handle a, v8::Handle(b)) { + return Just(a->Equals(b)); +} + +inline +MaybeLocal NewInstance(v8::Handle h) { + return MaybeLocal(h->NewInstance()); +} + +inline +MaybeLocal NewInstance( + v8::Local h + , int argc + , v8::Local argv[]) { + return MaybeLocal(h->NewInstance(argc, argv)); +} + +inline +MaybeLocal NewInstance(v8::Handle h) { + return MaybeLocal(h->NewInstance()); +} + +inline +MaybeLocal GetFunction(v8::Handle t) { + return MaybeLocal(t->GetFunction()); +} + +inline Maybe Set( + v8::Handle obj + , v8::Handle key + , v8::Handle value) { + return Just(obj->Set(key, value)); +} + +inline Maybe Set( + v8::Handle obj + , uint32_t index + , v8::Handle value) { + return Just(obj->Set(index, value)); +} + +#include "nan_define_own_property_helper.h" // NOLINT(build/include) + +inline Maybe DefineOwnProperty( + v8::Handle obj + , v8::Handle key + , v8::Handle value + , v8::PropertyAttribute attribs = v8::None) { + v8::PropertyAttribute current = obj->GetPropertyAttributes(key); + return imp::DefineOwnPropertyHelper(current, obj, key, value, attribs); +} + +NAN_DEPRECATED inline Maybe ForceSet( + v8::Handle obj + , v8::Handle key + , v8::Handle value + , v8::PropertyAttribute attribs = v8::None) { + return Just(obj->ForceSet(key, value, attribs)); +} + +inline MaybeLocal Get( + v8::Handle obj + , v8::Handle key) { + return MaybeLocal(obj->Get(key)); +} + +inline MaybeLocal Get( + v8::Handle obj + , uint32_t index) { + return MaybeLocal(obj->Get(index)); +} + +inline Maybe GetPropertyAttributes( + v8::Handle obj + , v8::Handle key) { + return Just(obj->GetPropertyAttributes(key)); +} + +inline Maybe Has( + v8::Handle obj + , v8::Handle key) { + return Just(obj->Has(key)); +} + +inline Maybe Has( + v8::Handle obj + , uint32_t index) { + return Just(obj->Has(index)); +} + +inline Maybe Delete( + v8::Handle obj + , v8::Handle key) { + return Just(obj->Delete(key)); +} + +inline Maybe Delete( + v8::Handle obj + , uint32_t index) { + return Just(obj->Delete(index)); +} + +inline +MaybeLocal GetPropertyNames(v8::Handle obj) { + return MaybeLocal(obj->GetPropertyNames()); +} + +inline +MaybeLocal GetOwnPropertyNames(v8::Handle obj) { + return MaybeLocal(obj->GetOwnPropertyNames()); +} + +inline Maybe SetPrototype( + v8::Handle obj + , v8::Handle prototype) { + return Just(obj->SetPrototype(prototype)); +} + +inline MaybeLocal ObjectProtoToString( + v8::Handle obj) { + return MaybeLocal(obj->ObjectProtoToString()); +} + +inline Maybe HasOwnProperty( + v8::Handle obj + , v8::Handle key) { + return Just(obj->HasOwnProperty(key)); +} + +inline Maybe HasRealNamedProperty( + v8::Handle obj + , v8::Handle key) { + return Just(obj->HasRealNamedProperty(key)); +} + +inline Maybe HasRealIndexedProperty( + v8::Handle obj + , uint32_t index) { + return Just(obj->HasRealIndexedProperty(index)); +} + +inline Maybe HasRealNamedCallbackProperty( + v8::Handle obj + , v8::Handle key) { + return Just(obj->HasRealNamedCallbackProperty(key)); +} + +inline MaybeLocal GetRealNamedPropertyInPrototypeChain( + v8::Handle obj + , v8::Handle key) { + return MaybeLocal( + obj->GetRealNamedPropertyInPrototypeChain(key)); +} + +inline MaybeLocal GetRealNamedProperty( + v8::Handle obj + , v8::Handle key) { + return MaybeLocal(obj->GetRealNamedProperty(key)); +} + +inline MaybeLocal CallAsFunction( + v8::Handle obj + , v8::Handle recv + , int argc + , v8::Handle argv[]) { + return MaybeLocal(obj->CallAsFunction(recv, argc, argv)); +} + +inline MaybeLocal CallAsConstructor( + v8::Handle obj + , int argc + , v8::Local argv[]) { + return MaybeLocal(obj->CallAsConstructor(argc, argv)); +} + +inline +MaybeLocal GetSourceLine(v8::Handle msg) { + return MaybeLocal(msg->GetSourceLine()); +} + +inline Maybe GetLineNumber(v8::Handle msg) { + return Just(msg->GetLineNumber()); +} + +inline Maybe GetStartColumn(v8::Handle msg) { + return Just(msg->GetStartColumn()); +} + +inline Maybe GetEndColumn(v8::Handle msg) { + return Just(msg->GetEndColumn()); +} + +inline MaybeLocal CloneElementAt( + v8::Handle array + , uint32_t index) { + return MaybeLocal(array->CloneElementAt(index)); +} + +inline MaybeLocal Call( + v8::Local fun + , v8::Local recv + , int argc + , v8::Local argv[]) { + return MaybeLocal(fun->Call(recv, argc, argv)); +} + +#endif // NAN_MAYBE_PRE_43_INL_H_ diff --git a/node_modules/nan/nan_new.h b/node_modules/nan/nan_new.h new file mode 100644 index 0000000..cdf8bbe --- /dev/null +++ b/node_modules/nan/nan_new.h @@ -0,0 +1,340 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_NEW_H_ +#define NAN_NEW_H_ + +namespace imp { // scnr + +// TODO(agnat): Generalize +template v8::Local To(v8::Local i); + +template <> +inline +v8::Local +To(v8::Local i) { + return Nan::To(i).ToLocalChecked(); +} + +template <> +inline +v8::Local +To(v8::Local i) { + return Nan::To(i).ToLocalChecked(); +} + +template <> +inline +v8::Local +To(v8::Local i) { + return Nan::To(i).ToLocalChecked(); +} + +template struct FactoryBase { + typedef v8::Local return_t; +}; + +template struct MaybeFactoryBase { + typedef MaybeLocal return_t; +}; + +template struct Factory; + +template <> +struct Factory : FactoryBase { + static inline return_t New(); + static inline return_t New(int length); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(bool value); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(bool value); +}; + +template <> +struct Factory : FactoryBase { + static inline + return_t + New( v8::ExtensionConfiguration* extensions = NULL + , v8::Local tmpl = v8::Local() + , v8::Local obj = v8::Local()); +}; + +template <> +struct Factory : MaybeFactoryBase { + static inline return_t New(double value); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(void *value); +}; + +template <> +struct Factory : FactoryBase { + static inline + return_t + New( FunctionCallback callback + , v8::Local data = v8::Local()); +}; + +template <> +struct Factory : FactoryBase { + static inline + return_t + New( FunctionCallback callback = NULL + , v8::Local data = v8::Local() + , v8::Local signature = v8::Local()); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(double value); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(double value); +}; + +template +struct IntegerFactory : FactoryBase { + typedef typename FactoryBase::return_t return_t; + static inline return_t New(int32_t value); + static inline return_t New(uint32_t value); +}; + +template <> +struct Factory : IntegerFactory {}; + +template <> +struct Factory : IntegerFactory {}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(int32_t value); + static inline return_t New(uint32_t value); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(); +}; + +template <> +struct Factory : MaybeFactoryBase { + static inline return_t New( + v8::Local pattern, v8::RegExp::Flags flags); +}; + +template <> +struct Factory : MaybeFactoryBase { + static inline return_t New( v8::Local source); + static inline return_t New( v8::Local source + , v8::ScriptOrigin const& origin); +}; + +template <> +struct Factory : FactoryBase { + typedef v8::Local FTH; + static inline return_t New(FTH receiver = FTH()); +}; + +template <> +struct Factory : MaybeFactoryBase { + static inline return_t New(); + static inline return_t New(const char *value, int length = -1); + static inline return_t New(const uint16_t *value, int length = -1); + static inline return_t New(std::string const& value); + + static inline return_t New(v8::String::ExternalStringResource * value); + static inline return_t New(ExternalOneByteStringResource * value); +}; + +template <> +struct Factory : FactoryBase { + static inline return_t New(v8::Local value); +}; + +} // end of namespace imp + +#if (NODE_MODULE_VERSION >= 12) + +namespace imp { + +template <> +struct Factory : MaybeFactoryBase { + static inline return_t New( v8::Local source); + static inline return_t New( v8::Local source + , v8::ScriptOrigin const& origin); +}; + +} // end of namespace imp + +# include "nan_implementation_12_inl.h" + +#else // NODE_MODULE_VERSION >= 12 + +# include "nan_implementation_pre_12_inl.h" + +#endif + +//=== API ====================================================================== + +template +typename imp::Factory::return_t +New() { + return imp::Factory::New(); +} + +template +typename imp::Factory::return_t +New(A0 arg0) { + return imp::Factory::New(arg0); +} + +template +typename imp::Factory::return_t +New(A0 arg0, A1 arg1) { + return imp::Factory::New(arg0, arg1); +} + +template +typename imp::Factory::return_t +New(A0 arg0, A1 arg1, A2 arg2) { + return imp::Factory::New(arg0, arg1, arg2); +} + +template +typename imp::Factory::return_t +New(A0 arg0, A1 arg1, A2 arg2, A3 arg3) { + return imp::Factory::New(arg0, arg1, arg2, arg3); +} + +// Note(agnat): When passing overloaded function pointers to template functions +// as generic arguments the compiler needs help in picking the right overload. +// These two functions handle New and New with +// all argument variations. + +// v8::Function and v8::FunctionTemplate with one or two arguments +template +typename imp::Factory::return_t +New( FunctionCallback callback + , v8::Local data = v8::Local()) { + return imp::Factory::New(callback, data); +} + +// v8::Function and v8::FunctionTemplate with three arguments +template +typename imp::Factory::return_t +New( FunctionCallback callback + , v8::Local data = v8::Local() + , A2 a2 = A2()) { + return imp::Factory::New(callback, data, a2); +} + +// Convenience + +#if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION +template inline v8::Local New(v8::Handle h); +#endif + +#if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION +template + inline v8::Local New(v8::Persistent const& p); +#else +template inline v8::Local New(v8::Persistent const& p); +#endif +template +inline v8::Local New(Persistent const& p); +template +inline v8::Local New(Global const& p); + +inline +imp::Factory::return_t +New(bool value) { + return New(value); +} + +inline +imp::Factory::return_t +New(int32_t value) { + return New(value); +} + +inline +imp::Factory::return_t +New(uint32_t value) { + return New(value); +} + +inline +imp::Factory::return_t +New(double value) { + return New(value); +} + +inline +imp::Factory::return_t +New(std::string const& value) { // NOLINT(build/include_what_you_use) + return New(value); +} + +inline +imp::Factory::return_t +New(const char * value, int length) { + return New(value, length); +} + +inline +imp::Factory::return_t +New(const uint16_t * value, int length) { + return New(value, length); +} + +inline +imp::Factory::return_t +New(const char * value) { + return New(value); +} + +inline +imp::Factory::return_t +New(const uint16_t * value) { + return New(value); +} + +inline +imp::Factory::return_t +New(v8::String::ExternalStringResource * value) { + return New(value); +} + +inline +imp::Factory::return_t +New(ExternalOneByteStringResource * value) { + return New(value); +} + +inline +imp::Factory::return_t +New(v8::Local pattern, v8::RegExp::Flags flags) { + return New(pattern, flags); +} + +#endif // NAN_NEW_H_ diff --git a/node_modules/nan/nan_object_wrap.h b/node_modules/nan/nan_object_wrap.h new file mode 100644 index 0000000..78712f9 --- /dev/null +++ b/node_modules/nan/nan_object_wrap.h @@ -0,0 +1,156 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_OBJECT_WRAP_H_ +#define NAN_OBJECT_WRAP_H_ + +class ObjectWrap { + public: + ObjectWrap() { + refs_ = 0; + } + + + virtual ~ObjectWrap() { + if (persistent().IsEmpty()) { + return; + } + + persistent().ClearWeak(); + persistent().Reset(); + } + + + template + static inline T* Unwrap(v8::Local object) { + assert(!object.IsEmpty()); + assert(object->InternalFieldCount() > 0); + // Cast to ObjectWrap before casting to T. A direct cast from void + // to T won't work right when T has more than one base class. + void* ptr = GetInternalFieldPointer(object, 0); + ObjectWrap* wrap = static_cast(ptr); + return static_cast(wrap); + } + + + inline v8::Local handle() const { + return New(handle_); + } + + + inline Persistent& persistent() { + return handle_; + } + + + protected: + inline void Wrap(v8::Local object) { + assert(persistent().IsEmpty()); + assert(object->InternalFieldCount() > 0); + SetInternalFieldPointer(object, 0, this); + persistent().Reset(object); + MakeWeak(); + } + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + + inline void MakeWeak() { + persistent().v8::PersistentBase::SetWeak( + this, WeakCallback, v8::WeakCallbackType::kParameter); +#if NODE_MAJOR_VERSION < 10 + // FIXME(bnoordhuis) Probably superfluous in older Node.js versions too. + persistent().MarkIndependent(); +#endif + } + +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + + inline void MakeWeak() { + persistent().v8::PersistentBase::SetWeak(this, WeakCallback); + persistent().MarkIndependent(); + } + +#else + + inline void MakeWeak() { + persistent().persistent.MakeWeak(this, WeakCallback); + persistent().MarkIndependent(); + } + +#endif + + /* Ref() marks the object as being attached to an event loop. + * Refed objects will not be garbage collected, even if + * all references are lost. + */ + virtual void Ref() { + assert(!persistent().IsEmpty()); + persistent().ClearWeak(); + refs_++; + } + + /* Unref() marks an object as detached from the event loop. This is its + * default state. When an object with a "weak" reference changes from + * attached to detached state it will be freed. Be careful not to access + * the object after making this call as it might be gone! + * (A "weak reference" means an object that only has a + * persistent handle.) + * + * DO NOT CALL THIS FROM DESTRUCTOR + */ + virtual void Unref() { + assert(!persistent().IsEmpty()); + assert(!persistent().IsWeak()); + assert(refs_ > 0); + if (--refs_ == 0) + MakeWeak(); + } + + int refs_; // ro + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(ObjectWrap) +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + + static void + WeakCallback(v8::WeakCallbackInfo const& info) { + ObjectWrap* wrap = info.GetParameter(); + assert(wrap->refs_ == 0); + wrap->handle_.Reset(); + delete wrap; + } + +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + + static void + WeakCallback(v8::WeakCallbackData const& data) { + ObjectWrap* wrap = data.GetParameter(); + assert(wrap->refs_ == 0); + assert(wrap->handle_.IsNearDeath()); + wrap->handle_.Reset(); + delete wrap; + } + +#else + + static void WeakCallback(v8::Persistent value, void *data) { + ObjectWrap *wrap = static_cast(data); + assert(wrap->refs_ == 0); + assert(wrap->handle_.IsNearDeath()); + wrap->handle_.Reset(); + delete wrap; + } + +#endif + Persistent handle_; +}; + + +#endif // NAN_OBJECT_WRAP_H_ diff --git a/node_modules/nan/nan_persistent_12_inl.h b/node_modules/nan/nan_persistent_12_inl.h new file mode 100644 index 0000000..d9649e8 --- /dev/null +++ b/node_modules/nan/nan_persistent_12_inl.h @@ -0,0 +1,132 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_PERSISTENT_12_INL_H_ +#define NAN_PERSISTENT_12_INL_H_ + +template class Persistent : + public v8::Persistent { + public: + inline Persistent() : v8::Persistent() {} + + template inline Persistent(v8::Local that) : + v8::Persistent(v8::Isolate::GetCurrent(), that) {} + + template + inline + Persistent(const v8::Persistent &that) : // NOLINT(runtime/explicit) + v8::Persistent(v8::Isolate::GetCurrent(), that) {} + + inline void Reset() { v8::PersistentBase::Reset(); } + + template + inline void Reset(const v8::Local &other) { + v8::PersistentBase::Reset(v8::Isolate::GetCurrent(), other); + } + + template + inline void Reset(const v8::PersistentBase &other) { + v8::PersistentBase::Reset(v8::Isolate::GetCurrent(), other); + } + + template + inline void SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type); + + private: + inline T *operator*() const { return *PersistentBase::persistent; } + + template + inline void Copy(const Persistent &that) { + TYPE_CHECK(T, S); + + this->Reset(); + + if (!that.IsEmpty()) { + this->Reset(that); + M::Copy(that, this); + } + } +}; + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +template +class Global : public v8::Global { + public: + inline Global() : v8::Global() {} + + template inline Global(v8::Local that) : + v8::Global(v8::Isolate::GetCurrent(), that) {} + + template + inline + Global(const v8::PersistentBase &that) : // NOLINT(runtime/explicit) + v8::Global(v8::Isolate::GetCurrent(), that) {} + + inline void Reset() { v8::PersistentBase::Reset(); } + + template + inline void Reset(const v8::Local &other) { + v8::PersistentBase::Reset(v8::Isolate::GetCurrent(), other); + } + + template + inline void Reset(const v8::PersistentBase &other) { + v8::PersistentBase::Reset(v8::Isolate::GetCurrent(), other); + } + + template + inline void SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + reinterpret_cast*>(this)->SetWeak( + parameter, callback, type); + } +}; +#else +template +class Global : public v8::UniquePersistent { + public: + inline Global() : v8::UniquePersistent() {} + + template inline Global(v8::Local that) : + v8::UniquePersistent(v8::Isolate::GetCurrent(), that) {} + + template + inline + Global(const v8::PersistentBase &that) : // NOLINT(runtime/explicit) + v8::UniquePersistent(v8::Isolate::GetCurrent(), that) {} + + inline void Reset() { v8::PersistentBase::Reset(); } + + template + inline void Reset(const v8::Local &other) { + v8::PersistentBase::Reset(v8::Isolate::GetCurrent(), other); + } + + template + inline void Reset(const v8::PersistentBase &other) { + v8::PersistentBase::Reset(v8::Isolate::GetCurrent(), other); + } + + template + inline void SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + reinterpret_cast*>(this)->SetWeak( + parameter, callback, type); + } +}; +#endif + +#endif // NAN_PERSISTENT_12_INL_H_ diff --git a/node_modules/nan/nan_persistent_pre_12_inl.h b/node_modules/nan/nan_persistent_pre_12_inl.h new file mode 100644 index 0000000..4c9c59d --- /dev/null +++ b/node_modules/nan/nan_persistent_pre_12_inl.h @@ -0,0 +1,242 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_PERSISTENT_PRE_12_INL_H_ +#define NAN_PERSISTENT_PRE_12_INL_H_ + +template +class PersistentBase { + v8::Persistent persistent; + template + friend v8::Local New(const PersistentBase &p); + template + friend v8::Local New(const Persistent &p); + template + friend v8::Local New(const Global &p); + template friend class ReturnValue; + + public: + inline PersistentBase() : + persistent() {} + + inline void Reset() { + persistent.Dispose(); + persistent.Clear(); + } + + template + inline void Reset(const v8::Local &other) { + TYPE_CHECK(T, S); + + if (!persistent.IsEmpty()) { + persistent.Dispose(); + } + + if (other.IsEmpty()) { + persistent.Clear(); + } else { + persistent = v8::Persistent::New(other); + } + } + + template + inline void Reset(const PersistentBase &other) { + TYPE_CHECK(T, S); + + if (!persistent.IsEmpty()) { + persistent.Dispose(); + } + + if (other.IsEmpty()) { + persistent.Clear(); + } else { + persistent = v8::Persistent::New(other.persistent); + } + } + + inline bool IsEmpty() const { return persistent.IsEmpty(); } + + inline void Empty() { persistent.Clear(); } + + template + inline bool operator==(const PersistentBase &that) const { + return this->persistent == that.persistent; + } + + template + inline bool operator==(const v8::Local &that) const { + return this->persistent == that; + } + + template + inline bool operator!=(const PersistentBase &that) const { + return !operator==(that); + } + + template + inline bool operator!=(const v8::Local &that) const { + return !operator==(that); + } + + template + inline void SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type); + + inline void ClearWeak() { persistent.ClearWeak(); } + + inline void MarkIndependent() { persistent.MarkIndependent(); } + + inline bool IsIndependent() const { return persistent.IsIndependent(); } + + inline bool IsNearDeath() const { return persistent.IsNearDeath(); } + + inline bool IsWeak() const { return persistent.IsWeak(); } + + private: + inline explicit PersistentBase(v8::Persistent that) : + persistent(that) { } + inline explicit PersistentBase(T *val) : persistent(val) {} + template friend class Persistent; + template friend class Global; + friend class ObjectWrap; +}; + +template +class NonCopyablePersistentTraits { + public: + typedef Persistent > + NonCopyablePersistent; + static const bool kResetInDestructor = false; + template + inline static void Copy(const Persistent &source, + NonCopyablePersistent *dest) { + Uncompilable(); + } + + template inline static void Uncompilable() { + TYPE_CHECK(O, v8::Primitive); + } +}; + +template +struct CopyablePersistentTraits { + typedef Persistent > CopyablePersistent; + static const bool kResetInDestructor = true; + template + static inline void Copy(const Persistent &source, + CopyablePersistent *dest) {} +}; + +template class Persistent : + public PersistentBase { + public: + inline Persistent() {} + + template inline Persistent(v8::Handle that) + : PersistentBase(v8::Persistent::New(that)) { + TYPE_CHECK(T, S); + } + + inline Persistent(const Persistent &that) : PersistentBase() { + Copy(that); + } + + template + inline Persistent(const Persistent &that) : + PersistentBase() { + Copy(that); + } + + inline Persistent &operator=(const Persistent &that) { + Copy(that); + return *this; + } + + template + inline Persistent &operator=(const Persistent &that) { + Copy(that); + return *this; + } + + inline ~Persistent() { + if (M::kResetInDestructor) this->Reset(); + } + + private: + inline T *operator*() const { return *PersistentBase::persistent; } + + template + inline void Copy(const Persistent &that) { + TYPE_CHECK(T, S); + + this->Reset(); + + if (!that.IsEmpty()) { + this->persistent = v8::Persistent::New(that.persistent); + M::Copy(that, this); + } + } +}; + +template +class Global : public PersistentBase { + struct RValue { + inline explicit RValue(Global* obj) : object(obj) {} + Global* object; + }; + + public: + inline Global() : PersistentBase(0) { } + + template + inline Global(v8::Local that) // NOLINT(runtime/explicit) + : PersistentBase(v8::Persistent::New(that)) { + TYPE_CHECK(T, S); + } + + template + inline Global(const PersistentBase &that) // NOLINT(runtime/explicit) + : PersistentBase(that) { + TYPE_CHECK(T, S); + } + /** + * Move constructor. + */ + inline Global(RValue rvalue) // NOLINT(runtime/explicit) + : PersistentBase(rvalue.object->persistent) { + rvalue.object->Reset(); + } + inline ~Global() { this->Reset(); } + /** + * Move via assignment. + */ + template + inline Global &operator=(Global rhs) { + TYPE_CHECK(T, S); + this->Reset(rhs.persistent); + rhs.Reset(); + return *this; + } + /** + * Cast operator for moves. + */ + inline operator RValue() { return RValue(this); } + /** + * Pass allows returning uniques from functions, etc. + */ + Global Pass() { return Global(RValue(this)); } + + private: + Global(Global &); + void operator=(Global &); + template friend class ReturnValue; +}; + +#endif // NAN_PERSISTENT_PRE_12_INL_H_ diff --git a/node_modules/nan/nan_private.h b/node_modules/nan/nan_private.h new file mode 100644 index 0000000..15f44cc --- /dev/null +++ b/node_modules/nan/nan_private.h @@ -0,0 +1,73 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_PRIVATE_H_ +#define NAN_PRIVATE_H_ + +inline Maybe +HasPrivate(v8::Local object, v8::Local key) { + HandleScope scope; +#if NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::Local context = isolate->GetCurrentContext(); + v8::Local private_key = v8::Private::ForApi(isolate, key); + return object->HasPrivate(context, private_key); +#else + return Just(!object->GetHiddenValue(key).IsEmpty()); +#endif +} + +inline MaybeLocal +GetPrivate(v8::Local object, v8::Local key) { +#if NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::EscapableHandleScope scope(isolate); + v8::Local context = isolate->GetCurrentContext(); + v8::Local private_key = v8::Private::ForApi(isolate, key); + v8::MaybeLocal v = object->GetPrivate(context, private_key); + return scope.Escape(v.ToLocalChecked()); +#else + EscapableHandleScope scope; + v8::Local v = object->GetHiddenValue(key); + if (v.IsEmpty()) { + v = Undefined(); + } + return scope.Escape(v); +#endif +} + +inline Maybe SetPrivate( + v8::Local object, + v8::Local key, + v8::Local value) { +#if NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION + HandleScope scope; + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::Local context = isolate->GetCurrentContext(); + v8::Local private_key = v8::Private::ForApi(isolate, key); + return object->SetPrivate(context, private_key, value); +#else + return Just(object->SetHiddenValue(key, value)); +#endif +} + +inline Maybe DeletePrivate( + v8::Local object, + v8::Local key) { +#if NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION + HandleScope scope; + v8::Isolate *isolate = v8::Isolate::GetCurrent(); + v8::Local private_key = v8::Private::ForApi(isolate, key); + return object->DeletePrivate(isolate->GetCurrentContext(), private_key); +#else + return Just(object->DeleteHiddenValue(key)); +#endif +} + +#endif // NAN_PRIVATE_H_ + diff --git a/node_modules/nan/nan_string_bytes.h b/node_modules/nan/nan_string_bytes.h new file mode 100644 index 0000000..a2e6437 --- /dev/null +++ b/node_modules/nan/nan_string_bytes.h @@ -0,0 +1,305 @@ +// Copyright Joyent, Inc. and other Node contributors. +// +// Permission is hereby granted, free of charge, to any person obtaining a +// copy of this software and associated documentation files (the +// "Software"), to deal in the Software without restriction, including +// without limitation the rights to use, copy, modify, merge, publish, +// distribute, sublicense, and/or sell copies of the Software, and to permit +// persons to whom the Software is furnished to do so, subject to the +// following conditions: +// +// The above copyright notice and this permission notice shall be included +// in all copies or substantial portions of the Software. +// +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN +// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, +// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR +// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE +// USE OR OTHER DEALINGS IN THE SOFTWARE. + +#ifndef NAN_STRING_BYTES_H_ +#define NAN_STRING_BYTES_H_ + +// Decodes a v8::Local or Buffer to a raw char* + +namespace imp { + +using v8::Local; +using v8::Object; +using v8::String; +using v8::Value; + + +//// Base 64 //// + +#define base64_encoded_size(size) ((size + 2 - ((size + 2) % 3)) / 3 * 4) + + + +//// HEX //// + +static bool contains_non_ascii_slow(const char* buf, size_t len) { + for (size_t i = 0; i < len; ++i) { + if (buf[i] & 0x80) return true; + } + return false; +} + + +static bool contains_non_ascii(const char* src, size_t len) { + if (len < 16) { + return contains_non_ascii_slow(src, len); + } + + const unsigned bytes_per_word = sizeof(void*); + const unsigned align_mask = bytes_per_word - 1; + const unsigned unaligned = reinterpret_cast(src) & align_mask; + + if (unaligned > 0) { + const unsigned n = bytes_per_word - unaligned; + if (contains_non_ascii_slow(src, n)) return true; + src += n; + len -= n; + } + + +#if defined(__x86_64__) || defined(_WIN64) + const uintptr_t mask = 0x8080808080808080ll; +#else + const uintptr_t mask = 0x80808080l; +#endif + + const uintptr_t* srcw = reinterpret_cast(src); + + for (size_t i = 0, n = len / bytes_per_word; i < n; ++i) { + if (srcw[i] & mask) return true; + } + + const unsigned remainder = len & align_mask; + if (remainder > 0) { + const size_t offset = len - remainder; + if (contains_non_ascii_slow(src + offset, remainder)) return true; + } + + return false; +} + + +static void force_ascii_slow(const char* src, char* dst, size_t len) { + for (size_t i = 0; i < len; ++i) { + dst[i] = src[i] & 0x7f; + } +} + + +static void force_ascii(const char* src, char* dst, size_t len) { + if (len < 16) { + force_ascii_slow(src, dst, len); + return; + } + + const unsigned bytes_per_word = sizeof(void*); + const unsigned align_mask = bytes_per_word - 1; + const unsigned src_unalign = reinterpret_cast(src) & align_mask; + const unsigned dst_unalign = reinterpret_cast(dst) & align_mask; + + if (src_unalign > 0) { + if (src_unalign == dst_unalign) { + const unsigned unalign = bytes_per_word - src_unalign; + force_ascii_slow(src, dst, unalign); + src += unalign; + dst += unalign; + len -= src_unalign; + } else { + force_ascii_slow(src, dst, len); + return; + } + } + +#if defined(__x86_64__) || defined(_WIN64) + const uintptr_t mask = ~0x8080808080808080ll; +#else + const uintptr_t mask = ~0x80808080l; +#endif + + const uintptr_t* srcw = reinterpret_cast(src); + uintptr_t* dstw = reinterpret_cast(dst); + + for (size_t i = 0, n = len / bytes_per_word; i < n; ++i) { + dstw[i] = srcw[i] & mask; + } + + const unsigned remainder = len & align_mask; + if (remainder > 0) { + const size_t offset = len - remainder; + force_ascii_slow(src + offset, dst + offset, remainder); + } +} + + +static size_t base64_encode(const char* src, + size_t slen, + char* dst, + size_t dlen) { + // We know how much we'll write, just make sure that there's space. + assert(dlen >= base64_encoded_size(slen) && + "not enough space provided for base64 encode"); + + dlen = base64_encoded_size(slen); + + unsigned a; + unsigned b; + unsigned c; + unsigned i; + unsigned k; + unsigned n; + + static const char table[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ" + "abcdefghijklmnopqrstuvwxyz" + "0123456789+/"; + + i = 0; + k = 0; + n = slen / 3 * 3; + + while (i < n) { + a = src[i + 0] & 0xff; + b = src[i + 1] & 0xff; + c = src[i + 2] & 0xff; + + dst[k + 0] = table[a >> 2]; + dst[k + 1] = table[((a & 3) << 4) | (b >> 4)]; + dst[k + 2] = table[((b & 0x0f) << 2) | (c >> 6)]; + dst[k + 3] = table[c & 0x3f]; + + i += 3; + k += 4; + } + + if (n != slen) { + switch (slen - n) { + case 1: + a = src[i + 0] & 0xff; + dst[k + 0] = table[a >> 2]; + dst[k + 1] = table[(a & 3) << 4]; + dst[k + 2] = '='; + dst[k + 3] = '='; + break; + + case 2: + a = src[i + 0] & 0xff; + b = src[i + 1] & 0xff; + dst[k + 0] = table[a >> 2]; + dst[k + 1] = table[((a & 3) << 4) | (b >> 4)]; + dst[k + 2] = table[(b & 0x0f) << 2]; + dst[k + 3] = '='; + break; + } + } + + return dlen; +} + + +static size_t hex_encode(const char* src, size_t slen, char* dst, size_t dlen) { + // We know how much we'll write, just make sure that there's space. + assert(dlen >= slen * 2 && + "not enough space provided for hex encode"); + + dlen = slen * 2; + for (uint32_t i = 0, k = 0; k < dlen; i += 1, k += 2) { + static const char hex[] = "0123456789abcdef"; + uint8_t val = static_cast(src[i]); + dst[k + 0] = hex[val >> 4]; + dst[k + 1] = hex[val & 15]; + } + + return dlen; +} + + + +static Local Encode(const char* buf, + size_t buflen, + enum Encoding encoding) { + assert(buflen <= node::Buffer::kMaxLength); + if (!buflen && encoding != BUFFER) + return New("").ToLocalChecked(); + + Local val; + switch (encoding) { + case BUFFER: + return CopyBuffer(buf, buflen).ToLocalChecked(); + + case ASCII: + if (contains_non_ascii(buf, buflen)) { + char* out = new char[buflen]; + force_ascii(buf, out, buflen); + val = New(out, buflen).ToLocalChecked(); + delete[] out; + } else { + val = New(buf, buflen).ToLocalChecked(); + } + break; + + case UTF8: + val = New(buf, buflen).ToLocalChecked(); + break; + + case BINARY: { + // TODO(isaacs) use ExternalTwoByteString? + const unsigned char *cbuf = reinterpret_cast(buf); + uint16_t * twobytebuf = new uint16_t[buflen]; + for (size_t i = 0; i < buflen; i++) { + // XXX is the following line platform independent? + twobytebuf[i] = cbuf[i]; + } + val = New(twobytebuf, buflen).ToLocalChecked(); + delete[] twobytebuf; + break; + } + + case BASE64: { + size_t dlen = base64_encoded_size(buflen); + char* dst = new char[dlen]; + + size_t written = base64_encode(buf, buflen, dst, dlen); + assert(written == dlen); + + val = New(dst, dlen).ToLocalChecked(); + delete[] dst; + break; + } + + case UCS2: { + const uint16_t* data = reinterpret_cast(buf); + val = New(data, buflen / 2).ToLocalChecked(); + break; + } + + case HEX: { + size_t dlen = buflen * 2; + char* dst = new char[dlen]; + size_t written = hex_encode(buf, buflen, dst, dlen); + assert(written == dlen); + + val = New(dst, dlen).ToLocalChecked(); + delete[] dst; + break; + } + + default: + assert(0 && "unknown encoding"); + break; + } + + return val; +} + +#undef base64_encoded_size + +} // end of namespace imp + +#endif // NAN_STRING_BYTES_H_ diff --git a/node_modules/nan/nan_typedarray_contents.h b/node_modules/nan/nan_typedarray_contents.h new file mode 100644 index 0000000..c6ac8a4 --- /dev/null +++ b/node_modules/nan/nan_typedarray_contents.h @@ -0,0 +1,96 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_TYPEDARRAY_CONTENTS_H_ +#define NAN_TYPEDARRAY_CONTENTS_H_ + +template +class TypedArrayContents { + public: + inline explicit TypedArrayContents(v8::Local from) : + length_(0), data_(NULL) { + HandleScope scope; + + size_t length = 0; + void* data = NULL; + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + + if (from->IsArrayBufferView()) { + v8::Local array = + v8::Local::Cast(from); + + const size_t byte_length = array->ByteLength(); + const ptrdiff_t byte_offset = array->ByteOffset(); + v8::Local buffer = array->Buffer(); + + length = byte_length / sizeof(T); +// Actually it's 7.9 here but this would lead to ABI issues with Node.js 13 +// using 7.8 till 13.2.0. +#if (V8_MAJOR_VERSION >= 8) + data = static_cast(buffer->GetBackingStore()->Data()) + byte_offset; +#else + data = static_cast(buffer->GetContents().Data()) + byte_offset; +#endif + } + +#else + + if (from->IsObject() && !from->IsNull()) { + v8::Local array = v8::Local::Cast(from); + + MaybeLocal buffer = Get(array, + New("buffer").ToLocalChecked()); + MaybeLocal byte_length = Get(array, + New("byteLength").ToLocalChecked()); + MaybeLocal byte_offset = Get(array, + New("byteOffset").ToLocalChecked()); + + if (!buffer.IsEmpty() && + !byte_length.IsEmpty() && byte_length.ToLocalChecked()->IsUint32() && + !byte_offset.IsEmpty() && byte_offset.ToLocalChecked()->IsUint32()) { + data = array->GetIndexedPropertiesExternalArrayData(); + if(data) { + length = byte_length.ToLocalChecked()->Uint32Value() / sizeof(T); + } + } + } + +#endif + +#if defined(_MSC_VER) && _MSC_VER >= 1900 || __cplusplus >= 201103L + assert(reinterpret_cast(data) % alignof (T) == 0); +#elif defined(_MSC_VER) && _MSC_VER >= 1600 || defined(__GNUC__) + assert(reinterpret_cast(data) % __alignof(T) == 0); +#else + assert(reinterpret_cast(data) % sizeof (T) == 0); +#endif + + length_ = length; + data_ = static_cast(data); + } + + inline size_t length() const { return length_; } + inline T* operator*() { return data_; } + inline const T* operator*() const { return data_; } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(TypedArrayContents) + + //Disable heap allocation + void *operator new(size_t size); + void operator delete(void *, size_t) { + abort(); + } + + size_t length_; + T* data_; +}; + +#endif // NAN_TYPEDARRAY_CONTENTS_H_ diff --git a/node_modules/nan/nan_weak.h b/node_modules/nan/nan_weak.h new file mode 100644 index 0000000..7e7ab07 --- /dev/null +++ b/node_modules/nan/nan_weak.h @@ -0,0 +1,437 @@ +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +#ifndef NAN_WEAK_H_ +#define NAN_WEAK_H_ + +static const int kInternalFieldsInWeakCallback = 2; +static const int kNoInternalFieldIndex = -1; + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +# define NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ \ + v8::WeakCallbackInfo > const& +# define NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ \ + NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +# define NAN_WEAK_PARAMETER_CALLBACK_SIG_ NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +# define NAN_WEAK_TWOFIELD_CALLBACK_SIG_ NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ +#elif NODE_MODULE_VERSION > IOJS_1_1_MODULE_VERSION +# define NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ \ + v8::PhantomCallbackData > const& +# define NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ \ + NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +# define NAN_WEAK_PARAMETER_CALLBACK_SIG_ NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +# define NAN_WEAK_TWOFIELD_CALLBACK_SIG_ NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ +#elif NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION +# define NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ \ + v8::PhantomCallbackData > const& +# define NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ \ + v8::InternalFieldsCallbackData, void> const& +# define NAN_WEAK_PARAMETER_CALLBACK_SIG_ NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +# define NAN_WEAK_TWOFIELD_CALLBACK_SIG_ NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION +# define NAN_WEAK_CALLBACK_DATA_TYPE_ \ + v8::WeakCallbackData > const& +# define NAN_WEAK_CALLBACK_SIG_ NAN_WEAK_CALLBACK_DATA_TYPE_ +#else +# define NAN_WEAK_CALLBACK_DATA_TYPE_ void * +# define NAN_WEAK_CALLBACK_SIG_ \ + v8::Persistent, NAN_WEAK_CALLBACK_DATA_TYPE_ +#endif + +template +class WeakCallbackInfo { + public: + typedef void (*Callback)(const WeakCallbackInfo& data); + WeakCallbackInfo( + Persistent *persistent + , Callback callback + , void *parameter + , void *field1 = 0 + , void *field2 = 0) : + callback_(callback), isolate_(0), parameter_(parameter) { + std::memcpy(&persistent_, persistent, sizeof (v8::Persistent)); + internal_fields_[0] = field1; + internal_fields_[1] = field2; + } + inline v8::Isolate *GetIsolate() const { return isolate_; } + inline T *GetParameter() const { return static_cast(parameter_); } + inline void *GetInternalField(int index) const { + assert((index == 0 || index == 1) && "internal field index out of bounds"); + if (index == 0) { + return internal_fields_[0]; + } else { + return internal_fields_[1]; + } + } + + private: + NAN_DISALLOW_ASSIGN_COPY_MOVE(WeakCallbackInfo) + Callback callback_; + v8::Isolate *isolate_; + void *parameter_; + void *internal_fields_[kInternalFieldsInWeakCallback]; + v8::Persistent persistent_; + template friend class Persistent; + template friend class PersistentBase; +#if NODE_MODULE_VERSION <= NODE_0_12_MODULE_VERSION +# if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + template + static void invoke(NAN_WEAK_CALLBACK_SIG_ data); + template + static WeakCallbackInfo *unwrap(NAN_WEAK_CALLBACK_DATA_TYPE_ data); +# else + static void invoke(NAN_WEAK_CALLBACK_SIG_ data); + static WeakCallbackInfo *unwrap(NAN_WEAK_CALLBACK_DATA_TYPE_ data); +# endif +#else +# if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + template + static void invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data); + template + static void invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data); +# else + static void invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data); + static void invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data); +# endif + static WeakCallbackInfo *unwrapparameter( + NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ data); + static WeakCallbackInfo *unwraptwofield( + NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ data); +#endif +}; + + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) + +template +template +void +WeakCallbackInfo::invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data) { + WeakCallbackInfo *cbinfo = unwrapparameter(data); + if (isFirstPass) { + cbinfo->persistent_.Reset(); + data.SetSecondPassCallback(invokeparameter); + } else { + cbinfo->callback_(*cbinfo); + delete cbinfo; + } +} + +template +template +void +WeakCallbackInfo::invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data) { + WeakCallbackInfo *cbinfo = unwraptwofield(data); + if (isFirstPass) { + cbinfo->persistent_.Reset(); + data.SetSecondPassCallback(invoketwofield); + } else { + cbinfo->callback_(*cbinfo); + delete cbinfo; + } +} + +template +WeakCallbackInfo *WeakCallbackInfo::unwrapparameter( + NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ data) { + WeakCallbackInfo *cbinfo = + static_cast*>(data.GetParameter()); + cbinfo->isolate_ = data.GetIsolate(); + return cbinfo; +} + +template +WeakCallbackInfo *WeakCallbackInfo::unwraptwofield( + NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ data) { + WeakCallbackInfo *cbinfo = + static_cast*>(data.GetInternalField(0)); + cbinfo->isolate_ = data.GetIsolate(); + return cbinfo; +} + +#undef NAN_WEAK_PARAMETER_CALLBACK_SIG_ +#undef NAN_WEAK_TWOFIELD_CALLBACK_SIG_ +#undef NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +#undef NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ +# elif NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION + +template +void +WeakCallbackInfo::invokeparameter(NAN_WEAK_PARAMETER_CALLBACK_SIG_ data) { + WeakCallbackInfo *cbinfo = unwrapparameter(data); + cbinfo->persistent_.Reset(); + cbinfo->callback_(*cbinfo); + delete cbinfo; +} + +template +void +WeakCallbackInfo::invoketwofield(NAN_WEAK_TWOFIELD_CALLBACK_SIG_ data) { + WeakCallbackInfo *cbinfo = unwraptwofield(data); + cbinfo->persistent_.Reset(); + cbinfo->callback_(*cbinfo); + delete cbinfo; +} + +template +WeakCallbackInfo *WeakCallbackInfo::unwrapparameter( + NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ data) { + WeakCallbackInfo *cbinfo = + static_cast*>(data.GetParameter()); + cbinfo->isolate_ = data.GetIsolate(); + return cbinfo; +} + +template +WeakCallbackInfo *WeakCallbackInfo::unwraptwofield( + NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ data) { + WeakCallbackInfo *cbinfo = + static_cast*>(data.GetInternalField1()); + cbinfo->isolate_ = data.GetIsolate(); + return cbinfo; +} + +#undef NAN_WEAK_PARAMETER_CALLBACK_SIG_ +#undef NAN_WEAK_TWOFIELD_CALLBACK_SIG_ +#undef NAN_WEAK_PARAMETER_CALLBACK_DATA_TYPE_ +#undef NAN_WEAK_TWOFIELD_CALLBACK_DATA_TYPE_ +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION + +template +template +void WeakCallbackInfo::invoke(NAN_WEAK_CALLBACK_SIG_ data) { + WeakCallbackInfo *cbinfo = unwrap(data); + cbinfo->persistent_.Reset(); + cbinfo->callback_(*cbinfo); + delete cbinfo; +} + +template +template +WeakCallbackInfo *WeakCallbackInfo::unwrap( + NAN_WEAK_CALLBACK_DATA_TYPE_ data) { + void *parameter = data.GetParameter(); + WeakCallbackInfo *cbinfo = + static_cast*>(parameter); + cbinfo->isolate_ = data.GetIsolate(); + return cbinfo; +} + +#undef NAN_WEAK_CALLBACK_SIG_ +#undef NAN_WEAK_CALLBACK_DATA_TYPE_ +#else + +template +void WeakCallbackInfo::invoke(NAN_WEAK_CALLBACK_SIG_ data) { + WeakCallbackInfo *cbinfo = unwrap(data); + cbinfo->persistent_.Dispose(); + cbinfo->persistent_.Clear(); + cbinfo->callback_(*cbinfo); + delete cbinfo; +} + +template +WeakCallbackInfo *WeakCallbackInfo::unwrap( + NAN_WEAK_CALLBACK_DATA_TYPE_ data) { + WeakCallbackInfo *cbinfo = + static_cast*>(data); + cbinfo->isolate_ = v8::Isolate::GetCurrent(); + return cbinfo; +} + +#undef NAN_WEAK_CALLBACK_SIG_ +#undef NAN_WEAK_CALLBACK_DATA_TYPE_ +#endif + +#if defined(V8_MAJOR_VERSION) && (V8_MAJOR_VERSION > 4 || \ + (V8_MAJOR_VERSION == 4 && defined(V8_MINOR_VERSION) && V8_MINOR_VERSION >= 3)) +template +template +inline void Persistent::SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + WeakCallbackInfo

*wcbd; + if (type == WeakCallbackType::kParameter) { + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , parameter); + v8::PersistentBase::SetWeak( + wcbd + , WeakCallbackInfo

::template invokeparameter + , type); + } else { + v8::Local* self_v(reinterpret_cast*>(this)); + assert((*self_v)->IsObject()); + v8::Local self((*self_v).As()); + int count = self->InternalFieldCount(); + void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0}; + for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) { + internal_fields[i] = self->GetAlignedPointerFromInternalField(i); + } + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , 0 + , internal_fields[0] + , internal_fields[1]); + self->SetAlignedPointerInInternalField(0, wcbd); + v8::PersistentBase::SetWeak( + static_cast*>(0) + , WeakCallbackInfo

::template invoketwofield + , type); + } +} +#elif NODE_MODULE_VERSION > IOJS_1_1_MODULE_VERSION +template +template +inline void Persistent::SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + WeakCallbackInfo

*wcbd; + if (type == WeakCallbackType::kParameter) { + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , parameter); + v8::PersistentBase::SetPhantom( + wcbd + , WeakCallbackInfo

::invokeparameter); + } else { + v8::Local* self_v(reinterpret_cast*>(this)); + assert((*self_v)->IsObject()); + v8::Local self((*self_v).As()); + int count = self->InternalFieldCount(); + void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0}; + for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) { + internal_fields[i] = self->GetAlignedPointerFromInternalField(i); + } + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , 0 + , internal_fields[0] + , internal_fields[1]); + self->SetAlignedPointerInInternalField(0, wcbd); + v8::PersistentBase::SetPhantom( + static_cast*>(0) + , WeakCallbackInfo

::invoketwofield + , 0 + , count > 1 ? 1 : kNoInternalFieldIndex); + } +} +#elif NODE_MODULE_VERSION > NODE_0_12_MODULE_VERSION +template +template +inline void Persistent::SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + WeakCallbackInfo

*wcbd; + if (type == WeakCallbackType::kParameter) { + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , parameter); + v8::PersistentBase::SetPhantom( + wcbd + , WeakCallbackInfo

::invokeparameter); + } else { + v8::Local* self_v(reinterpret_cast*>(this)); + assert((*self_v)->IsObject()); + v8::Local self((*self_v).As()); + int count = self->InternalFieldCount(); + void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0}; + for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) { + internal_fields[i] = self->GetAlignedPointerFromInternalField(i); + } + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , 0 + , internal_fields[0] + , internal_fields[1]); + self->SetAlignedPointerInInternalField(0, wcbd); + v8::PersistentBase::SetPhantom( + WeakCallbackInfo

::invoketwofield + , 0 + , count > 1 ? 1 : kNoInternalFieldIndex); + } +} +#elif NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION +template +template +inline void Persistent::SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + WeakCallbackInfo

*wcbd; + if (type == WeakCallbackType::kParameter) { + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , parameter); + v8::PersistentBase::SetWeak(wcbd, WeakCallbackInfo

::invoke); + } else { + v8::Local* self_v(reinterpret_cast*>(this)); + assert((*self_v)->IsObject()); + v8::Local self((*self_v).As()); + int count = self->InternalFieldCount(); + void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0}; + for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) { + internal_fields[i] = self->GetAlignedPointerFromInternalField(i); + } + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , 0 + , internal_fields[0] + , internal_fields[1]); + v8::PersistentBase::SetWeak(wcbd, WeakCallbackInfo

::invoke); + } +} +#else +template +template +inline void PersistentBase::SetWeak( + P *parameter + , typename WeakCallbackInfo

::Callback callback + , WeakCallbackType type) { + WeakCallbackInfo

*wcbd; + if (type == WeakCallbackType::kParameter) { + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , parameter); + persistent.MakeWeak(wcbd, WeakCallbackInfo

::invoke); + } else { + v8::Local* self_v(reinterpret_cast*>(this)); + assert((*self_v)->IsObject()); + v8::Local self((*self_v).As()); + int count = self->InternalFieldCount(); + void *internal_fields[kInternalFieldsInWeakCallback] = {0, 0}; + for (int i = 0; i < count && i < kInternalFieldsInWeakCallback; i++) { + internal_fields[i] = self->GetPointerFromInternalField(i); + } + wcbd = new WeakCallbackInfo

( + reinterpret_cast*>(this) + , callback + , 0 + , internal_fields[0] + , internal_fields[1]); + persistent.MakeWeak(wcbd, WeakCallbackInfo

::invoke); + } +} +#endif + +#endif // NAN_WEAK_H_ diff --git a/node_modules/nan/package.json b/node_modules/nan/package.json new file mode 100644 index 0000000..6519edf --- /dev/null +++ b/node_modules/nan/package.json @@ -0,0 +1,99 @@ +{ + "_from": "nan@^2.14.1", + "_id": "nan@2.14.1", + "_inBundle": false, + "_integrity": "sha512-isWHgVjnFjh2x2yuJ/tj3JbwoHu3UC2dX5G/88Cm24yB6YopVgxvBObDY7n5xW6ExmFhJpSEQqFPvq9zaXc8Jw==", + "_location": "/nan", + "_phantomChildren": {}, + "_requested": { + "type": "range", + "registry": true, + "raw": "nan@^2.14.1", + "name": "nan", + "escapedName": "nan", + "rawSpec": "^2.14.1", + "saveSpec": null, + "fetchSpec": "^2.14.1" + }, + "_requiredBy": [ + "#USER", + "/" + ], + "_resolved": "https://registry.npmjs.org/nan/-/nan-2.14.1.tgz", + "_shasum": "d7be34dfa3105b91494c3147089315eff8874b01", + "_spec": "nan@^2.14.1", + "_where": "/home/brian/dev/rconsole", + "bugs": { + "url": "https://github.com/nodejs/nan/issues" + }, + "bundleDependencies": false, + "contributors": [ + { + "name": "Rod Vagg", + "email": "r@va.gg", + "url": "https://github.com/rvagg" + }, + { + "name": "Benjamin Byholm", + "email": "bbyholm@abo.fi", + "url": "https://github.com/kkoopa/" + }, + { + "name": "Trevor Norris", + "email": "trev.norris@gmail.com", + "url": "https://github.com/trevnorris" + }, + { + "name": "Nathan Rajlich", + "email": "nathan@tootallnate.net", + "url": "https://github.com/TooTallNate" + }, + { + "name": "Brett Lawson", + "email": "brett19@gmail.com", + "url": "https://github.com/brett19" + }, + { + "name": "Ben Noordhuis", + "email": "info@bnoordhuis.nl", + "url": "https://github.com/bnoordhuis" + }, + { + "name": "David Siegel", + "email": "david@artcom.de", + "url": "https://github.com/agnat" + }, + { + "name": "Michael Ira Krufky", + "email": "mkrufky@gmail.com", + "url": "https://github.com/mkrufky" + } + ], + "deprecated": false, + "description": "Native Abstractions for Node.js: C++ header for Node 0.8 -> 14 compatibility", + "devDependencies": { + "bindings": "~1.2.1", + "commander": "^2.8.1", + "glob": "^5.0.14", + "node-gyp": "~3.6.2", + "readable-stream": "^2.1.4", + "request": "=2.81.0", + "tap": "~0.7.1", + "xtend": "~4.0.0" + }, + "homepage": "https://github.com/nodejs/nan#readme", + "license": "MIT", + "main": "include_dirs.js", + "name": "nan", + "repository": { + "type": "git", + "url": "git://github.com/nodejs/nan.git" + }, + "scripts": { + "docs": "doc/.build.sh", + "rebuild-tests": "node-gyp rebuild --msvs_version=2015 --directory test", + "test": "tap --gc --stderr test/js/*-test.js", + "test:worker": "node --experimental-worker test/tap-as-worker.js --gc --stderr test/js/*-test.js" + }, + "version": "2.14.1" +} diff --git a/node_modules/nan/tools/1to2.js b/node_modules/nan/tools/1to2.js new file mode 100755 index 0000000..6af2505 --- /dev/null +++ b/node_modules/nan/tools/1to2.js @@ -0,0 +1,412 @@ +#!/usr/bin/env node +/********************************************************************* + * NAN - Native Abstractions for Node.js + * + * Copyright (c) 2018 NAN contributors + * + * MIT License + ********************************************************************/ + +var commander = require('commander'), + fs = require('fs'), + glob = require('glob'), + groups = [], + total = 0, + warning1 = '/* ERROR: Rewrite using Buffer */\n', + warning2 = '\\/\\* ERROR\\: Rewrite using Buffer \\*\\/\\n', + length, + i; + +fs.readFile(__dirname + '/package.json', 'utf8', function (err, data) { + if (err) { + throw err; + } + + commander + .version(JSON.parse(data).version) + .usage('[options] ') + .parse(process.argv); + + if (!process.argv.slice(2).length) { + commander.outputHelp(); + } +}); + +/* construct strings representing regular expressions + each expression contains a unique group allowing for identification of the match + the index of this key group, relative to the regular expression in question, + is indicated by the first array member */ + +/* simple substistutions, key group is the entire match, 0 */ +groups.push([0, [ + '_NAN_', + 'NODE_SET_METHOD', + 'NODE_SET_PROTOTYPE_METHOD', + 'NanAsciiString', + 'NanEscapeScope', + 'NanReturnValue', + 'NanUcs2String'].join('|')]); + +/* substitutions of parameterless macros, key group is 1 */ +groups.push([1, ['(', [ + 'NanEscapableScope', + 'NanReturnNull', + 'NanReturnUndefined', + 'NanScope'].join('|'), ')\\(\\)'].join('')]); + +/* replace TryCatch with NanTryCatch once, gobbling possible namespace, key group 2 */ +groups.push([2, '(?:(?:v8\\:\\:)?|(Nan)?)(TryCatch)']); + +/* NanNew("string") will likely not fail a ToLocalChecked(), key group 1 */ +groups.push([1, ['(NanNew)', '(\\("[^\\"]*"[^\\)]*\\))(?!\\.ToLocalChecked\\(\\))'].join('')]); + +/* Removed v8 APIs, warn that the code needs rewriting using node::Buffer, key group 2 */ +groups.push([2, ['(', warning2, ')?', '^.*?(', [ + 'GetIndexedPropertiesExternalArrayDataLength', + 'GetIndexedPropertiesExternalArrayData', + 'GetIndexedPropertiesExternalArrayDataType', + 'GetIndexedPropertiesPixelData', + 'GetIndexedPropertiesPixelDataLength', + 'HasIndexedPropertiesInExternalArrayData', + 'HasIndexedPropertiesInPixelData', + 'SetIndexedPropertiesToExternalArrayData', + 'SetIndexedPropertiesToPixelData'].join('|'), ')'].join('')]); + +/* No need for NanScope in V8-exposed methods, key group 2 */ +groups.push([2, ['((', [ + 'NAN_METHOD', + 'NAN_GETTER', + 'NAN_SETTER', + 'NAN_PROPERTY_GETTER', + 'NAN_PROPERTY_SETTER', + 'NAN_PROPERTY_ENUMERATOR', + 'NAN_PROPERTY_DELETER', + 'NAN_PROPERTY_QUERY', + 'NAN_INDEX_GETTER', + 'NAN_INDEX_SETTER', + 'NAN_INDEX_ENUMERATOR', + 'NAN_INDEX_DELETER', + 'NAN_INDEX_QUERY'].join('|'), ')\\([^\\)]*\\)\\s*\\{)\\s*NanScope\\(\\)\\s*;'].join('')]); + +/* v8::Value::ToXXXXXXX returns v8::MaybeLocal, key group 3 */ +groups.push([3, ['([\\s\\(\\)])([^\\s\\(\\)]+)->(', [ + 'Boolean', + 'Number', + 'String', + 'Object', + 'Integer', + 'Uint32', + 'Int32'].join('|'), ')\\('].join('')]); + +/* v8::Value::XXXXXXXValue returns v8::Maybe, key group 3 */ +groups.push([3, ['([\\s\\(\\)])([^\\s\\(\\)]+)->((?:', [ + 'Boolean', + 'Number', + 'Integer', + 'Uint32', + 'Int32'].join('|'), ')Value)\\('].join('')]); + +/* NAN_WEAK_CALLBACK macro was removed, write out callback definition, key group 1 */ +groups.push([1, '(NAN_WEAK_CALLBACK)\\(([^\\s\\)]+)\\)']); + +/* node::ObjectWrap and v8::Persistent have been replaced with Nan implementations, key group 1 */ +groups.push([1, ['(', [ + 'NanDisposePersistent', + 'NanObjectWrapHandle'].join('|'), ')\\s*\\(\\s*([^\\s\\)]+)'].join('')]); + +/* Since NanPersistent there is no need for NanMakeWeakPersistent, key group 1 */ +groups.push([1, '(NanMakeWeakPersistent)\\s*\\(\\s*([^\\s,]+)\\s*,\\s*']); + +/* Many methods of v8::Object and others now return v8::MaybeLocal, key group 3 */ +groups.push([3, ['([\\s])([^\\s]+)->(', [ + 'GetEndColumn', + 'GetFunction', + 'GetLineNumber', + 'NewInstance', + 'GetPropertyNames', + 'GetOwnPropertyNames', + 'GetSourceLine', + 'GetStartColumn', + 'ObjectProtoToString', + 'ToArrayIndex', + 'ToDetailString', + 'CallAsConstructor', + 'CallAsFunction', + 'CloneElementAt', + 'Delete', + 'ForceSet', + 'Get', + 'GetPropertyAttributes', + 'GetRealNamedProperty', + 'GetRealNamedPropertyInPrototypeChain', + 'Has', + 'HasOwnProperty', + 'HasRealIndexedProperty', + 'HasRealNamedCallbackProperty', + 'HasRealNamedProperty', + 'Set', + 'SetAccessor', + 'SetIndexedPropertyHandler', + 'SetNamedPropertyHandler', + 'SetPrototype'].join('|'), ')\\('].join('')]); + +/* You should get an error if any of these fail anyways, + or handle the error better, it is indicated either way, key group 2 */ +groups.push([2, ['NanNew(<(?:v8\\:\\:)?(', ['Date', 'String', 'RegExp'].join('|'), ')>)(\\([^\\)]*\\))(?!\\.ToLocalChecked\\(\\))'].join('')]); + +/* v8::Value::Equals now returns a v8::Maybe, key group 3 */ +groups.push([3, '([\\s\\(\\)])([^\\s\\(\\)]+)->(Equals)\\(([^\\s\\)]+)']); + +/* NanPersistent makes this unnecessary, key group 1 */ +groups.push([1, '(NanAssignPersistent)(?:]+>)?\\(([^,]+),\\s*']); + +/* args has been renamed to info, key group 2 */ +groups.push([2, '(\\W)(args)(\\W)']) + +/* node::ObjectWrap was replaced with NanObjectWrap, key group 2 */ +groups.push([2, '(\\W)(?:node\\:\\:)?(ObjectWrap)(\\W)']); + +/* v8::Persistent was replaced with NanPersistent, key group 2 */ +groups.push([2, '(\\W)(?:v8\\:\\:)?(Persistent)(\\W)']); + +/* counts the number of capturing groups in a well-formed regular expression, + ignoring non-capturing groups and escaped parentheses */ +function groupcount(s) { + var positive = s.match(/\((?!\?)/g), + negative = s.match(/\\\(/g); + return (positive ? positive.length : 0) - (negative ? negative.length : 0); +} + +/* compute the absolute position of each key group in the joined master RegExp */ +for (i = 1, length = groups.length; i < length; i++) { + total += groupcount(groups[i - 1][1]); + groups[i][0] += total; +} + +/* create the master RegExp, whis is the union of all the groups' expressions */ +master = new RegExp(groups.map(function (a) { return a[1]; }).join('|'), 'gm'); + +/* replacement function for String.replace, receives 21 arguments */ +function replace() { + /* simple expressions */ + switch (arguments[groups[0][0]]) { + case '_NAN_': + return 'NAN_'; + case 'NODE_SET_METHOD': + return 'NanSetMethod'; + case 'NODE_SET_PROTOTYPE_METHOD': + return 'NanSetPrototypeMethod'; + case 'NanAsciiString': + return 'NanUtf8String'; + case 'NanEscapeScope': + return 'scope.Escape'; + case 'NanReturnNull': + return 'info.GetReturnValue().SetNull'; + case 'NanReturnValue': + return 'info.GetReturnValue().Set'; + case 'NanUcs2String': + return 'v8::String::Value'; + default: + } + + /* macros without arguments */ + switch (arguments[groups[1][0]]) { + case 'NanEscapableScope': + return 'NanEscapableScope scope' + case 'NanReturnUndefined': + return 'return'; + case 'NanScope': + return 'NanScope scope'; + default: + } + + /* TryCatch, emulate negative backref */ + if (arguments[groups[2][0]] === 'TryCatch') { + return arguments[groups[2][0] - 1] ? arguments[0] : 'NanTryCatch'; + } + + /* NanNew("foo") --> NanNew("foo").ToLocalChecked() */ + if (arguments[groups[3][0]] === 'NanNew') { + return [arguments[0], '.ToLocalChecked()'].join(''); + } + + /* insert warning for removed functions as comment on new line above */ + switch (arguments[groups[4][0]]) { + case 'GetIndexedPropertiesExternalArrayData': + case 'GetIndexedPropertiesExternalArrayDataLength': + case 'GetIndexedPropertiesExternalArrayDataType': + case 'GetIndexedPropertiesPixelData': + case 'GetIndexedPropertiesPixelDataLength': + case 'HasIndexedPropertiesInExternalArrayData': + case 'HasIndexedPropertiesInPixelData': + case 'SetIndexedPropertiesToExternalArrayData': + case 'SetIndexedPropertiesToPixelData': + return arguments[groups[4][0] - 1] ? arguments[0] : [warning1, arguments[0]].join(''); + default: + } + + /* remove unnecessary NanScope() */ + switch (arguments[groups[5][0]]) { + case 'NAN_GETTER': + case 'NAN_METHOD': + case 'NAN_SETTER': + case 'NAN_INDEX_DELETER': + case 'NAN_INDEX_ENUMERATOR': + case 'NAN_INDEX_GETTER': + case 'NAN_INDEX_QUERY': + case 'NAN_INDEX_SETTER': + case 'NAN_PROPERTY_DELETER': + case 'NAN_PROPERTY_ENUMERATOR': + case 'NAN_PROPERTY_GETTER': + case 'NAN_PROPERTY_QUERY': + case 'NAN_PROPERTY_SETTER': + return arguments[groups[5][0] - 1]; + default: + } + + /* Value conversion */ + switch (arguments[groups[6][0]]) { + case 'Boolean': + case 'Int32': + case 'Integer': + case 'Number': + case 'Object': + case 'String': + case 'Uint32': + return [arguments[groups[6][0] - 2], 'NanTo(', arguments[groups[6][0] - 1]].join(''); + default: + } + + /* other value conversion */ + switch (arguments[groups[7][0]]) { + case 'BooleanValue': + return [arguments[groups[7][0] - 2], 'NanTo(', arguments[groups[7][0] - 1]].join(''); + case 'Int32Value': + return [arguments[groups[7][0] - 2], 'NanTo(', arguments[groups[7][0] - 1]].join(''); + case 'IntegerValue': + return [arguments[groups[7][0] - 2], 'NanTo(', arguments[groups[7][0] - 1]].join(''); + case 'Uint32Value': + return [arguments[groups[7][0] - 2], 'NanTo(', arguments[groups[7][0] - 1]].join(''); + default: + } + + /* NAN_WEAK_CALLBACK */ + if (arguments[groups[8][0]] === 'NAN_WEAK_CALLBACK') { + return ['template\nvoid ', + arguments[groups[8][0] + 1], '(const NanWeakCallbackInfo &data)'].join(''); + } + + /* use methods on NAN classes instead */ + switch (arguments[groups[9][0]]) { + case 'NanDisposePersistent': + return [arguments[groups[9][0] + 1], '.Reset('].join(''); + case 'NanObjectWrapHandle': + return [arguments[groups[9][0] + 1], '->handle('].join(''); + default: + } + + /* use method on NanPersistent instead */ + if (arguments[groups[10][0]] === 'NanMakeWeakPersistent') { + return arguments[groups[10][0] + 1] + '.SetWeak('; + } + + /* These return Maybes, the upper ones take no arguments */ + switch (arguments[groups[11][0]]) { + case 'GetEndColumn': + case 'GetFunction': + case 'GetLineNumber': + case 'GetOwnPropertyNames': + case 'GetPropertyNames': + case 'GetSourceLine': + case 'GetStartColumn': + case 'NewInstance': + case 'ObjectProtoToString': + case 'ToArrayIndex': + case 'ToDetailString': + return [arguments[groups[11][0] - 2], 'Nan', arguments[groups[11][0]], '(', arguments[groups[11][0] - 1]].join(''); + case 'CallAsConstructor': + case 'CallAsFunction': + case 'CloneElementAt': + case 'Delete': + case 'ForceSet': + case 'Get': + case 'GetPropertyAttributes': + case 'GetRealNamedProperty': + case 'GetRealNamedPropertyInPrototypeChain': + case 'Has': + case 'HasOwnProperty': + case 'HasRealIndexedProperty': + case 'HasRealNamedCallbackProperty': + case 'HasRealNamedProperty': + case 'Set': + case 'SetAccessor': + case 'SetIndexedPropertyHandler': + case 'SetNamedPropertyHandler': + case 'SetPrototype': + return [arguments[groups[11][0] - 2], 'Nan', arguments[groups[11][0]], '(', arguments[groups[11][0] - 1], ', '].join(''); + default: + } + + /* Automatic ToLocalChecked(), take it or leave it */ + switch (arguments[groups[12][0]]) { + case 'Date': + case 'String': + case 'RegExp': + return ['NanNew', arguments[groups[12][0] - 1], arguments[groups[12][0] + 1], '.ToLocalChecked()'].join(''); + default: + } + + /* NanEquals is now required for uniformity */ + if (arguments[groups[13][0]] === 'Equals') { + return [arguments[groups[13][0] - 1], 'NanEquals(', arguments[groups[13][0] - 1], ', ', arguments[groups[13][0] + 1]].join(''); + } + + /* use method on replacement class instead */ + if (arguments[groups[14][0]] === 'NanAssignPersistent') { + return [arguments[groups[14][0] + 1], '.Reset('].join(''); + } + + /* args --> info */ + if (arguments[groups[15][0]] === 'args') { + return [arguments[groups[15][0] - 1], 'info', arguments[groups[15][0] + 1]].join(''); + } + + /* ObjectWrap --> NanObjectWrap */ + if (arguments[groups[16][0]] === 'ObjectWrap') { + return [arguments[groups[16][0] - 1], 'NanObjectWrap', arguments[groups[16][0] + 1]].join(''); + } + + /* Persistent --> NanPersistent */ + if (arguments[groups[17][0]] === 'Persistent') { + return [arguments[groups[17][0] - 1], 'NanPersistent', arguments[groups[17][0] + 1]].join(''); + } + + /* This should not happen. A switch is probably missing a case if it does. */ + throw 'Unhandled match: ' + arguments[0]; +} + +/* reads a file, runs replacement and writes it back */ +function processFile(file) { + fs.readFile(file, {encoding: 'utf8'}, function (err, data) { + if (err) { + throw err; + } + + /* run replacement twice, might need more runs */ + fs.writeFile(file, data.replace(master, replace).replace(master, replace), function (err) { + if (err) { + throw err; + } + }); + }); +} + +/* process file names from command line and process the identified files */ +for (i = 2, length = process.argv.length; i < length; i++) { + glob(process.argv[i], function (err, matches) { + if (err) { + throw err; + } + matches.forEach(processFile); + }); +} diff --git a/node_modules/nan/tools/README.md b/node_modules/nan/tools/README.md new file mode 100644 index 0000000..7f07e4b --- /dev/null +++ b/node_modules/nan/tools/README.md @@ -0,0 +1,14 @@ +1to2 naively converts source code files from NAN 1 to NAN 2. There will be erroneous conversions, +false positives and missed opportunities. The input files are rewritten in place. Make sure that +you have backups. You will have to manually review the changes afterwards and do some touchups. + +```sh +$ tools/1to2.js + + Usage: 1to2 [options] + + Options: + + -h, --help output usage information + -V, --version output the version number +``` diff --git a/node_modules/nan/tools/package.json b/node_modules/nan/tools/package.json new file mode 100644 index 0000000..2dcdd78 --- /dev/null +++ b/node_modules/nan/tools/package.json @@ -0,0 +1,19 @@ +{ + "name": "1to2", + "version": "1.0.0", + "description": "NAN 1 -> 2 Migration Script", + "main": "1to2.js", + "repository": { + "type": "git", + "url": "git://github.com/nodejs/nan.git" + }, + "contributors": [ + "Benjamin Byholm (https://github.com/kkoopa/)", + "Mathias Küsel (https://github.com/mathiask88/)" + ], + "dependencies": { + "glob": "~5.0.10", + "commander": "~2.8.1" + }, + "license": "MIT" +}