1 /*********************************************************************
2 * NAN - Native Abstractions for Node.js
4 * Copyright (c) 2017 NAN contributors
6 * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
7 ********************************************************************/
12 namespace imp { // scnr
14 // TODO(agnat): Generalize
15 template <typename T> v8::Local<T> To(v8::Local<v8::Integer> i);
19 v8::Local<v8::Integer>
20 To<v8::Integer>(v8::Local<v8::Integer> i) {
21 return Nan::To<v8::Integer>(i).ToLocalChecked();
27 To<v8::Int32>(v8::Local<v8::Integer> i) {
28 return Nan::To<v8::Int32>(i).ToLocalChecked();
34 To<v8::Uint32>(v8::Local<v8::Integer> i) {
35 return Nan::To<v8::Uint32>(i).ToLocalChecked();
38 template <typename T> struct FactoryBase {
39 typedef v8::Local<T> return_t;
42 template <typename T> struct MaybeFactoryBase {
43 typedef MaybeLocal<T> return_t;
46 template <typename T> struct Factory;
49 struct Factory<v8::Array> : FactoryBase<v8::Array> {
50 static inline return_t New();
51 static inline return_t New(int length);
55 struct Factory<v8::Boolean> : FactoryBase<v8::Boolean> {
56 static inline return_t New(bool value);
60 struct Factory<v8::BooleanObject> : FactoryBase<v8::BooleanObject> {
61 static inline return_t New(bool value);
65 struct Factory<v8::Context> : FactoryBase<v8::Context> {
68 New( v8::ExtensionConfiguration* extensions = NULL
69 , v8::Local<v8::ObjectTemplate> tmpl = v8::Local<v8::ObjectTemplate>()
70 , v8::Local<v8::Value> obj = v8::Local<v8::Value>());
74 struct Factory<v8::Date> : MaybeFactoryBase<v8::Date> {
75 static inline return_t New(double value);
79 struct Factory<v8::External> : FactoryBase<v8::External> {
80 static inline return_t New(void *value);
84 struct Factory<v8::Function> : FactoryBase<v8::Function> {
87 New( FunctionCallback callback
88 , v8::Local<v8::Value> data = v8::Local<v8::Value>());
92 struct Factory<v8::FunctionTemplate> : FactoryBase<v8::FunctionTemplate> {
95 New( FunctionCallback callback = NULL
96 , v8::Local<v8::Value> data = v8::Local<v8::Value>()
97 , v8::Local<v8::Signature> signature = v8::Local<v8::Signature>());
101 struct Factory<v8::Number> : FactoryBase<v8::Number> {
102 static inline return_t New(double value);
106 struct Factory<v8::NumberObject> : FactoryBase<v8::NumberObject> {
107 static inline return_t New(double value);
110 template <typename T>
111 struct IntegerFactory : FactoryBase<T> {
112 typedef typename FactoryBase<T>::return_t return_t;
113 static inline return_t New(int32_t value);
114 static inline return_t New(uint32_t value);
118 struct Factory<v8::Integer> : IntegerFactory<v8::Integer> {};
121 struct Factory<v8::Int32> : IntegerFactory<v8::Int32> {};
124 struct Factory<v8::Uint32> : FactoryBase<v8::Uint32> {
125 static inline return_t New(int32_t value);
126 static inline return_t New(uint32_t value);
130 struct Factory<v8::Object> : FactoryBase<v8::Object> {
131 static inline return_t New();
135 struct Factory<v8::ObjectTemplate> : FactoryBase<v8::ObjectTemplate> {
136 static inline return_t New();
140 struct Factory<v8::RegExp> : MaybeFactoryBase<v8::RegExp> {
141 static inline return_t New(
142 v8::Local<v8::String> pattern, v8::RegExp::Flags flags);
146 struct Factory<v8::Script> : MaybeFactoryBase<v8::Script> {
147 static inline return_t New( v8::Local<v8::String> source);
148 static inline return_t New( v8::Local<v8::String> source
149 , v8::ScriptOrigin const& origin);
153 struct Factory<v8::Signature> : FactoryBase<v8::Signature> {
154 typedef v8::Local<v8::FunctionTemplate> FTH;
155 static inline return_t New(FTH receiver = FTH());
159 struct Factory<v8::String> : MaybeFactoryBase<v8::String> {
160 static inline return_t New();
161 static inline return_t New(const char *value, int length = -1);
162 static inline return_t New(const uint16_t *value, int length = -1);
163 static inline return_t New(std::string const& value);
165 static inline return_t New(v8::String::ExternalStringResource * value);
166 static inline return_t New(ExternalOneByteStringResource * value);
170 struct Factory<v8::StringObject> : FactoryBase<v8::StringObject> {
171 static inline return_t New(v8::Local<v8::String> value);
174 } // end of namespace imp
176 #if (NODE_MODULE_VERSION >= 12)
181 struct Factory<v8::UnboundScript> : MaybeFactoryBase<v8::UnboundScript> {
182 static inline return_t New( v8::Local<v8::String> source);
183 static inline return_t New( v8::Local<v8::String> source
184 , v8::ScriptOrigin const& origin);
187 } // end of namespace imp
189 # include "nan_implementation_12_inl.h"
191 #else // NODE_MODULE_VERSION >= 12
193 # include "nan_implementation_pre_12_inl.h"
197 //=== API ======================================================================
199 template <typename T>
200 typename imp::Factory<T>::return_t
202 return imp::Factory<T>::New();
205 template <typename T, typename A0>
206 typename imp::Factory<T>::return_t
208 return imp::Factory<T>::New(arg0);
211 template <typename T, typename A0, typename A1>
212 typename imp::Factory<T>::return_t
213 New(A0 arg0, A1 arg1) {
214 return imp::Factory<T>::New(arg0, arg1);
217 template <typename T, typename A0, typename A1, typename A2>
218 typename imp::Factory<T>::return_t
219 New(A0 arg0, A1 arg1, A2 arg2) {
220 return imp::Factory<T>::New(arg0, arg1, arg2);
223 template <typename T, typename A0, typename A1, typename A2, typename A3>
224 typename imp::Factory<T>::return_t
225 New(A0 arg0, A1 arg1, A2 arg2, A3 arg3) {
226 return imp::Factory<T>::New(arg0, arg1, arg2, arg3);
229 // Note(agnat): When passing overloaded function pointers to template functions
230 // as generic arguments the compiler needs help in picking the right overload.
231 // These two functions handle New<Function> and New<FunctionTemplate> with
232 // all argument variations.
234 // v8::Function and v8::FunctionTemplate with one or two arguments
235 template <typename T>
236 typename imp::Factory<T>::return_t
237 New( FunctionCallback callback
238 , v8::Local<v8::Value> data = v8::Local<v8::Value>()) {
239 return imp::Factory<T>::New(callback, data);
242 // v8::Function and v8::FunctionTemplate with three arguments
243 template <typename T, typename A2>
244 typename imp::Factory<T>::return_t
245 New( FunctionCallback callback
246 , v8::Local<v8::Value> data = v8::Local<v8::Value>()
248 return imp::Factory<T>::New(callback, data, a2);
253 #if NODE_MODULE_VERSION < IOJS_3_0_MODULE_VERSION
254 template <typename T> inline v8::Local<T> New(v8::Handle<T> h);
257 #if NODE_MODULE_VERSION > NODE_0_10_MODULE_VERSION
258 template <typename T, typename M>
259 inline v8::Local<T> New(v8::Persistent<T, M> const& p);
261 template <typename T> inline v8::Local<T> New(v8::Persistent<T> const& p);
263 template <typename T, typename M>
264 inline v8::Local<T> New(Persistent<T, M> const& p);
265 template <typename T>
266 inline v8::Local<T> New(Global<T> const& p);
269 imp::Factory<v8::Boolean>::return_t
271 return New<v8::Boolean>(value);
275 imp::Factory<v8::Int32>::return_t
277 return New<v8::Int32>(value);
281 imp::Factory<v8::Uint32>::return_t
282 New(uint32_t value) {
283 return New<v8::Uint32>(value);
287 imp::Factory<v8::Number>::return_t
289 return New<v8::Number>(value);
293 imp::Factory<v8::String>::return_t
294 New(std::string const& value) { // NOLINT(build/include_what_you_use)
295 return New<v8::String>(value);
299 imp::Factory<v8::String>::return_t
300 New(const char * value, int length) {
301 return New<v8::String>(value, length);
305 imp::Factory<v8::String>::return_t
306 New(const uint16_t * value, int length) {
307 return New<v8::String>(value, length);
311 imp::Factory<v8::String>::return_t
312 New(const char * value) {
313 return New<v8::String>(value);
317 imp::Factory<v8::String>::return_t
318 New(const uint16_t * value) {
319 return New<v8::String>(value);
323 imp::Factory<v8::String>::return_t
324 New(v8::String::ExternalStringResource * value) {
325 return New<v8::String>(value);
329 imp::Factory<v8::String>::return_t
330 New(ExternalOneByteStringResource * value) {
331 return New<v8::String>(value);
335 imp::Factory<v8::RegExp>::return_t
336 New(v8::Local<v8::String> pattern, v8::RegExp::Flags flags) {
337 return New<v8::RegExp>(pattern, flags);