X-Git-Url: https://git.josue.xyz/?p=VSoRC%2F.git;a=blobdiff_plain;f=node_modules%2Fnode-pty%2Fnode_modules%2Fnan%2Fnan.h;fp=node_modules%2Fnode-pty%2Fnode_modules%2Fnan%2Fnan.h;h=514115d9808df6b356e21878510025e7f897aedc;hp=0000000000000000000000000000000000000000;hb=e79e4a5a87f3e84f7c1777f10a954453a69bf540;hpb=4339da12467b75fb8b6ca831f4bf0081c485ed2c diff --git a/node_modules/node-pty/node_modules/nan/nan.h b/node_modules/node-pty/node_modules/nan/nan.h new file mode 100644 index 0000000..514115d --- /dev/null +++ b/node_modules/node-pty/node_modules/nan/nan.h @@ -0,0 +1,2892 @@ +/********************************************************************* + * 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 2.14.0: current Node 12.2.0, Node 12: 0.12.18, Node 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 + +#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]; + { + T *it = new_data; + std::copy(data, data + count, it); + } + + 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]; + { + T *it = new_data; + std::copy(data, data + count, it); + } + + 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) { + HandleScope scope; + v8::Local t = New(callback); + 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) { + HandleScope scope; + v8::Local t = New( + callback + , v8::Local() + , 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 neccessary + + 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_