node_modules/node-pty/node_modules/nan/nan_maybe_pre_43_inl.h

   1 /*********************************************************************
   2  * NAN - Native Abstractions for Node.js
   3  *
   4  * Copyright (c) 2018 NAN contributors
   5  *
   6  * MIT License <https://github.com/nodejs/nan/blob/master/LICENSE.md>
   7  ********************************************************************/
   8
   9 #ifndef NAN_MAYBE_PRE_43_INL_H_
  10 #define NAN_MAYBE_PRE_43_INL_H_
  11
  12 template<typename T>
  13 class MaybeLocal {
  14  public:
  15   inline MaybeLocal() : val_(v8::Local<T>()) {}
  16
  17   template<typename S>
  18 # if NODE_MODULE_VERSION >= NODE_0_12_MODULE_VERSION
  19   inline
  20   MaybeLocal(v8::Local<S> that) : val_(that) {}  // NOLINT(runtime/explicit)
  21 # else
  22   inline
  23   MaybeLocal(v8::Local<S> that) :  // NOLINT(runtime/explicit)
  24       val_(*reinterpret_cast<v8::Local<T>*>(&that)) {}
  25 # endif
  26
  27   inline bool IsEmpty() const { return val_.IsEmpty(); }
  28
  29   template<typename S>
  30   inline bool ToLocal(v8::Local<S> *out) const {
  31     *out = val_;
  32     return !IsEmpty();
  33   }
  34
  35   inline v8::Local<T> ToLocalChecked() const {
  36 #if defined(V8_ENABLE_CHECKS)
  37     assert(!IsEmpty() && "ToLocalChecked is Empty");
  38 #endif  // V8_ENABLE_CHECKS
  39     return val_;
  40   }
  41
  42   template<typename S>
  43   inline v8::Local<S> FromMaybe(v8::Local<S> default_value) const {
  44     return IsEmpty() ? default_value : v8::Local<S>(val_);
  45   }
  46
  47  private:
  48   v8::Local<T> val_;
  49 };
  50
  51 inline
  52 MaybeLocal<v8::String> ToDetailString(v8::Handle<v8::Value> val) {
  53   return MaybeLocal<v8::String>(val->ToDetailString());
  54 }
  55
  56 inline
  57 MaybeLocal<v8::Uint32> ToArrayIndex(v8::Handle<v8::Value> val) {
  58   return MaybeLocal<v8::Uint32>(val->ToArrayIndex());
  59 }
  60
  61 inline
  62 Maybe<bool> Equals(v8::Handle<v8::Value> a, v8::Handle<v8::Value>(b)) {
  63   return Just<bool>(a->Equals(b));
  64 }
  65
  66 inline
  67 MaybeLocal<v8::Object> NewInstance(v8::Handle<v8::Function> h) {
  68   return MaybeLocal<v8::Object>(h->NewInstance());
  69 }
  70
  71 inline
  72 MaybeLocal<v8::Object> NewInstance(
  73       v8::Local<v8::Function> h
  74     , int argc
  75     , v8::Local<v8::Value> argv[]) {
  76   return MaybeLocal<v8::Object>(h->NewInstance(argc, argv));
  77 }
  78
  79 inline
  80 MaybeLocal<v8::Object> NewInstance(v8::Handle<v8::ObjectTemplate> h) {
  81   return MaybeLocal<v8::Object>(h->NewInstance());
  82 }
  83
  84 inline
  85 MaybeLocal<v8::Function> GetFunction(v8::Handle<v8::FunctionTemplate> t) {
  86   return MaybeLocal<v8::Function>(t->GetFunction());
  87 }
  88
  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));
  94 }
  95
  96 inline Maybe<bool> Set(
  97     v8::Handle<v8::Object> obj
  98   , uint32_t index
  99   , v8::Handle<v8::Value> value) {
 100   return Just<bool>(obj->Set(index, value));
 101 }
 102
 103 #include "nan_define_own_property_helper.h"  // NOLINT(build/include)
 104
 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);
 112 }
 113
 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));
 120 }
 121
 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));
 126 }
 127
 128 inline MaybeLocal<v8::Value> Get(
 129     v8::Handle<v8::Object> obj
 130   , uint32_t index) {
 131   return MaybeLocal<v8::Value>(obj->Get(index));
 132 }
 133
 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));
 138 }
 139
 140 inline Maybe<bool> Has(
 141     v8::Handle<v8::Object> obj
 142   , v8::Handle<v8::String> key) {
 143   return Just<bool>(obj->Has(key));
 144 }
 145
 146 inline Maybe<bool> Has(
 147     v8::Handle<v8::Object> obj
 148   , uint32_t index) {
 149   return Just<bool>(obj->Has(index));
 150 }
 151
 152 inline Maybe<bool> Delete(
 153     v8::Handle<v8::Object> obj
 154   , v8::Handle<v8::String> key) {
 155   return Just<bool>(obj->Delete(key));
 156 }
 157
 158 inline Maybe<bool> Delete(
 159     v8::Handle<v8::Object> obj
 160   , uint32_t index) {
 161   return Just<bool>(obj->Delete(index));
 162 }
 163
 164 inline
 165 MaybeLocal<v8::Array> GetPropertyNames(v8::Handle<v8::Object> obj) {
 166   return MaybeLocal<v8::Array>(obj->GetPropertyNames());
 167 }
 168
 169 inline
 170 MaybeLocal<v8::Array> GetOwnPropertyNames(v8::Handle<v8::Object> obj) {
 171   return MaybeLocal<v8::Array>(obj->GetOwnPropertyNames());
 172 }
 173
 174 inline Maybe<bool> SetPrototype(
 175     v8::Handle<v8::Object> obj
 176   , v8::Handle<v8::Value> prototype) {
 177   return Just<bool>(obj->SetPrototype(prototype));
 178 }
 179
 180 inline MaybeLocal<v8::String> ObjectProtoToString(
 181     v8::Handle<v8::Object> obj) {
 182   return MaybeLocal<v8::String>(obj->ObjectProtoToString());
 183 }
 184
 185 inline Maybe<bool> HasOwnProperty(
 186     v8::Handle<v8::Object> obj
 187   , v8::Handle<v8::String> key) {
 188   return Just<bool>(obj->HasOwnProperty(key));
 189 }
 190
 191 inline Maybe<bool> HasRealNamedProperty(
 192     v8::Handle<v8::Object> obj
 193   , v8::Handle<v8::String> key) {
 194   return Just<bool>(obj->HasRealNamedProperty(key));
 195 }
 196
 197 inline Maybe<bool> HasRealIndexedProperty(
 198     v8::Handle<v8::Object> obj
 199   , uint32_t index) {
 200   return Just<bool>(obj->HasRealIndexedProperty(index));
 201 }
 202
 203 inline Maybe<bool> HasRealNamedCallbackProperty(
 204     v8::Handle<v8::Object> obj
 205   , v8::Handle<v8::String> key) {
 206   return Just<bool>(obj->HasRealNamedCallbackProperty(key));
 207 }
 208
 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));
 214 }
 215
 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));
 220 }
 221
 222 inline MaybeLocal<v8::Value> CallAsFunction(
 223     v8::Handle<v8::Object> obj
 224   , v8::Handle<v8::Object> recv
 225   , int argc
 226   , v8::Handle<v8::Value> argv[]) {
 227   return MaybeLocal<v8::Value>(obj->CallAsFunction(recv, argc, argv));
 228 }
 229
 230 inline MaybeLocal<v8::Value> CallAsConstructor(
 231     v8::Handle<v8::Object> obj
 232   , int argc
 233   , v8::Local<v8::Value> argv[]) {
 234   return MaybeLocal<v8::Value>(obj->CallAsConstructor(argc, argv));
 235 }
 236
 237 inline
 238 MaybeLocal<v8::String> GetSourceLine(v8::Handle<v8::Message> msg) {
 239   return MaybeLocal<v8::String>(msg->GetSourceLine());
 240 }
 241
 242 inline Maybe<int> GetLineNumber(v8::Handle<v8::Message> msg) {
 243   return Just<int>(msg->GetLineNumber());
 244 }
 245
 246 inline Maybe<int> GetStartColumn(v8::Handle<v8::Message> msg) {
 247   return Just<int>(msg->GetStartColumn());
 248 }
 249
 250 inline Maybe<int> GetEndColumn(v8::Handle<v8::Message> msg) {
 251   return Just<int>(msg->GetEndColumn());
 252 }
 253
 254 inline MaybeLocal<v8::Object> CloneElementAt(
 255     v8::Handle<v8::Array> array
 256   , uint32_t index) {
 257   return MaybeLocal<v8::Object>(array->CloneElementAt(index));
 258 }
 259
 260 inline MaybeLocal<v8::Value> Call(
 261     v8::Local<v8::Function> fun
 262   , v8::Local<v8::Object> recv
 263   , int argc
 264   , v8::Local<v8::Value> argv[]) {
 265   return MaybeLocal<v8::Value>(fun->Call(recv, argc, argv));
 266 }
 267
 268 #endif  // NAN_MAYBE_PRE_43_INL_H_