1 /*********************************************************************
2 * NAN - Native Abstractions for Node.js
4 * Copyright (c) 2018 NAN contributors
6 * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
7 ********************************************************************/
9 #ifndef NAN_MAYBE_PRE_43_INL_H_
10 #define NAN_MAYBE_PRE_43_INL_H_
15 inline MaybeLocal() : val_(v8::Local<T>()) {}
18 # if NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION
20 MaybeLocal(v8::Local<S> that) : val_(that) {} // NOLINT(runtime/explicit)
23 MaybeLocal(v8::Local<S> that) : // NOLINT(runtime/explicit)
24 val_(*reinterpret_cast<v8::Local<T>*>(&that)) {}
27 inline bool IsEmpty() const { return val_.IsEmpty(); }
30 inline bool ToLocal(v8::Local<S> *out) const {
35 inline v8::Local<T> ToLocalChecked() const {
36 #if defined(V8_ENABLE_CHECKS)
37 assert(!IsEmpty() && "ToLocalChecked is Empty");
38 #endif // V8_ENABLE_CHECKS
43 inline v8::Local<S> FromMaybe(v8::Local<S> default_value) const {
44 return IsEmpty() ? default_value : v8::Local<S>(val_);
52 MaybeLocal<v8::String> ToDetailString(v8::Handle<v8::Value> val) {
53 return MaybeLocal<v8::String>(val->ToDetailString());
57 MaybeLocal<v8::Uint32> ToArrayIndex(v8::Handle<v8::Value> val) {
58 return MaybeLocal<v8::Uint32>(val->ToArrayIndex());
62 Maybe<bool> Equals(v8::Handle<v8::Value> a, v8::Handle<v8::Value>(b)) {
63 return Just<bool>(a->Equals(b));
67 MaybeLocal<v8::Object> NewInstance(v8::Handle<v8::Function> h) {
68 return MaybeLocal<v8::Object>(h->NewInstance());
72 MaybeLocal<v8::Object> NewInstance(
73 v8::Local<v8::Function> h
75 , v8::Local<v8::Value> argv[]) {
76 return MaybeLocal<v8::Object>(h->NewInstance(argc, argv));
80 MaybeLocal<v8::Object> NewInstance(v8::Handle<v8::ObjectTemplate> h) {
81 return MaybeLocal<v8::Object>(h->NewInstance());
85 MaybeLocal<v8::Function> GetFunction(v8::Handle<v8::FunctionTemplate> t) {
86 return MaybeLocal<v8::Function>(t->GetFunction());
89 inline Maybe<bool> Set(
90 v8::Handle<v8::Object> obj
91 , v8::Handle<v8::Value> key
92 , v8::Handle<v8::Value> value) {
93 return Just<bool>(obj->Set(key, value));
96 inline Maybe<bool> Set(
97 v8::Handle<v8::Object> obj
99 , v8::Handle<v8::Value> value) {
100 return Just<bool>(obj->Set(index, value));
103 #include "nan_define_own_property_helper.h" // NOLINT(build/include)
105 inline Maybe<bool> DefineOwnProperty(
106 v8::Handle<v8::Object> obj
107 , v8::Handle<v8::String> key
108 , v8::Handle<v8::Value> value
109 , v8::PropertyAttribute attribs = v8::None) {
110 v8::PropertyAttribute current = obj->GetPropertyAttributes(key);
111 return imp::DefineOwnPropertyHelper(current, obj, key, value, attribs);
114 NAN_DEPRECATED inline Maybe<bool> ForceSet(
115 v8::Handle<v8::Object> obj
116 , v8::Handle<v8::Value> key
117 , v8::Handle<v8::Value> value
118 , v8::PropertyAttribute attribs = v8::None) {
119 return Just<bool>(obj->ForceSet(key, value, attribs));
122 inline MaybeLocal<v8::Value> Get(
123 v8::Handle<v8::Object> obj
124 , v8::Handle<v8::Value> key) {
125 return MaybeLocal<v8::Value>(obj->Get(key));
128 inline MaybeLocal<v8::Value> Get(
129 v8::Handle<v8::Object> obj
131 return MaybeLocal<v8::Value>(obj->Get(index));
134 inline Maybe<v8::PropertyAttribute> GetPropertyAttributes(
135 v8::Handle<v8::Object> obj
136 , v8::Handle<v8::Value> key) {
137 return Just<v8::PropertyAttribute>(obj->GetPropertyAttributes(key));
140 inline Maybe<bool> Has(
141 v8::Handle<v8::Object> obj
142 , v8::Handle<v8::String> key) {
143 return Just<bool>(obj->Has(key));
146 inline Maybe<bool> Has(
147 v8::Handle<v8::Object> obj
149 return Just<bool>(obj->Has(index));
152 inline Maybe<bool> Delete(
153 v8::Handle<v8::Object> obj
154 , v8::Handle<v8::String> key) {
155 return Just<bool>(obj->Delete(key));
158 inline Maybe<bool> Delete(
159 v8::Handle<v8::Object> obj
161 return Just<bool>(obj->Delete(index));
165 MaybeLocal<v8::Array> GetPropertyNames(v8::Handle<v8::Object> obj) {
166 return MaybeLocal<v8::Array>(obj->GetPropertyNames());
170 MaybeLocal<v8::Array> GetOwnPropertyNames(v8::Handle<v8::Object> obj) {
171 return MaybeLocal<v8::Array>(obj->GetOwnPropertyNames());
174 inline Maybe<bool> SetPrototype(
175 v8::Handle<v8::Object> obj
176 , v8::Handle<v8::Value> prototype) {
177 return Just<bool>(obj->SetPrototype(prototype));
180 inline MaybeLocal<v8::String> ObjectProtoToString(
181 v8::Handle<v8::Object> obj) {
182 return MaybeLocal<v8::String>(obj->ObjectProtoToString());
185 inline Maybe<bool> HasOwnProperty(
186 v8::Handle<v8::Object> obj
187 , v8::Handle<v8::String> key) {
188 return Just<bool>(obj->HasOwnProperty(key));
191 inline Maybe<bool> HasRealNamedProperty(
192 v8::Handle<v8::Object> obj
193 , v8::Handle<v8::String> key) {
194 return Just<bool>(obj->HasRealNamedProperty(key));
197 inline Maybe<bool> HasRealIndexedProperty(
198 v8::Handle<v8::Object> obj
200 return Just<bool>(obj->HasRealIndexedProperty(index));
203 inline Maybe<bool> HasRealNamedCallbackProperty(
204 v8::Handle<v8::Object> obj
205 , v8::Handle<v8::String> key) {
206 return Just<bool>(obj->HasRealNamedCallbackProperty(key));
209 inline MaybeLocal<v8::Value> GetRealNamedPropertyInPrototypeChain(
210 v8::Handle<v8::Object> obj
211 , v8::Handle<v8::String> key) {
212 return MaybeLocal<v8::Value>(
213 obj->GetRealNamedPropertyInPrototypeChain(key));
216 inline MaybeLocal<v8::Value> GetRealNamedProperty(
217 v8::Handle<v8::Object> obj
218 , v8::Handle<v8::String> key) {
219 return MaybeLocal<v8::Value>(obj->GetRealNamedProperty(key));
222 inline MaybeLocal<v8::Value> CallAsFunction(
223 v8::Handle<v8::Object> obj
224 , v8::Handle<v8::Object> recv
226 , v8::Handle<v8::Value> argv[]) {
227 return MaybeLocal<v8::Value>(obj->CallAsFunction(recv, argc, argv));
230 inline MaybeLocal<v8::Value> CallAsConstructor(
231 v8::Handle<v8::Object> obj
233 , v8::Local<v8::Value> argv[]) {
234 return MaybeLocal<v8::Value>(obj->CallAsConstructor(argc, argv));
238 MaybeLocal<v8::String> GetSourceLine(v8::Handle<v8::Message> msg) {
239 return MaybeLocal<v8::String>(msg->GetSourceLine());
242 inline Maybe<int> GetLineNumber(v8::Handle<v8::Message> msg) {
243 return Just<int>(msg->GetLineNumber());
246 inline Maybe<int> GetStartColumn(v8::Handle<v8::Message> msg) {
247 return Just<int>(msg->GetStartColumn());
250 inline Maybe<int> GetEndColumn(v8::Handle<v8::Message> msg) {
251 return Just<int>(msg->GetEndColumn());
254 inline MaybeLocal<v8::Object> CloneElementAt(
255 v8::Handle<v8::Array> array
257 return MaybeLocal<v8::Object>(array->CloneElementAt(index));
260 inline MaybeLocal<v8::Value> Call(
261 v8::Local<v8::Function> fun
262 , v8::Local<v8::Object> recv
264 , v8::Local<v8::Value> argv[]) {
265 return MaybeLocal<v8::Value>(fun->Call(recv, argc, argv));
268 #endif // NAN_MAYBE_PRE_43_INL_H_