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9 | #ifndef NAN_MAYBE_43_INL_H_
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10 | #define NAN_MAYBE_43_INL_H_
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11 |
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12 | template<typename T>
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13 | using MaybeLocal = v8::MaybeLocal<T>;
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14 |
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15 | inline
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16 | MaybeLocal<v8::String> ToDetailString(v8::Local<v8::Value> val) {
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17 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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18 | v8::EscapableHandleScope scope(isolate);
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19 | return scope.Escape(val->ToDetailString(isolate->GetCurrentContext())
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20 | .FromMaybe(v8::Local<v8::String>()));
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21 | }
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22 |
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23 | inline
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24 | MaybeLocal<v8::Uint32> ToArrayIndex(v8::Local<v8::Value> val) {
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25 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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26 | v8::EscapableHandleScope scope(isolate);
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27 | return scope.Escape(val->ToArrayIndex(isolate->GetCurrentContext())
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28 | .FromMaybe(v8::Local<v8::Uint32>()));
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29 | }
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30 |
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31 | inline
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32 | Maybe<bool> Equals(v8::Local<v8::Value> a, v8::Local<v8::Value>(b)) {
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33 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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34 | v8::HandleScope scope(isolate);
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35 | return a->Equals(isolate->GetCurrentContext(), b);
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36 | }
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37 |
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38 | inline
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39 | MaybeLocal<v8::Object> NewInstance(v8::Local<v8::Function> h) {
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40 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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41 | v8::EscapableHandleScope scope(isolate);
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42 | return scope.Escape(h->NewInstance(isolate->GetCurrentContext())
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43 | .FromMaybe(v8::Local<v8::Object>()));
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44 | }
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45 |
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46 | inline
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47 | MaybeLocal<v8::Object> NewInstance(
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48 | v8::Local<v8::Function> h
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49 | , int argc
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50 | , v8::Local<v8::Value> argv[]) {
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51 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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52 | v8::EscapableHandleScope scope(isolate);
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53 | return scope.Escape(h->NewInstance(isolate->GetCurrentContext(), argc, argv)
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54 | .FromMaybe(v8::Local<v8::Object>()));
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55 | }
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56 |
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57 | inline
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58 | MaybeLocal<v8::Object> NewInstance(v8::Local<v8::ObjectTemplate> h) {
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59 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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60 | v8::EscapableHandleScope scope(isolate);
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61 | return scope.Escape(h->NewInstance(isolate->GetCurrentContext())
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62 | .FromMaybe(v8::Local<v8::Object>()));
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63 | }
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64 |
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65 |
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66 | inline MaybeLocal<v8::Function> GetFunction(
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67 | v8::Local<v8::FunctionTemplate> t) {
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68 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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69 | v8::EscapableHandleScope scope(isolate);
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70 | return scope.Escape(t->GetFunction(isolate->GetCurrentContext())
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71 | .FromMaybe(v8::Local<v8::Function>()));
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72 | }
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73 |
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74 | inline Maybe<bool> Set(
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75 | v8::Local<v8::Object> obj
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76 | , v8::Local<v8::Value> key
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77 | , v8::Local<v8::Value> value) {
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78 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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79 | v8::HandleScope scope(isolate);
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80 | return obj->Set(isolate->GetCurrentContext(), key, value);
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81 | }
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82 |
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83 | inline Maybe<bool> Set(
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84 | v8::Local<v8::Object> obj
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85 | , uint32_t index
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86 | , v8::Local<v8::Value> value) {
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87 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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88 | v8::HandleScope scope(isolate);
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89 | return obj->Set(isolate->GetCurrentContext(), index, value);
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90 | }
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91 |
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92 | #if NODE_MODULE_VERSION < NODE_4_0_MODULE_VERSION
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93 | #include "nan_define_own_property_helper.h"
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94 | #endif
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95 |
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96 | inline Maybe<bool> DefineOwnProperty(
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97 | v8::Local<v8::Object> obj
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98 | , v8::Local<v8::String> key
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99 | , v8::Local<v8::Value> value
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100 | , v8::PropertyAttribute attribs = v8::None) {
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101 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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102 | v8::HandleScope scope(isolate);
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103 | #if NODE_MODULE_VERSION >= NODE_4_0_MODULE_VERSION
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104 | return obj->DefineOwnProperty(isolate->GetCurrentContext(), key, value,
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105 | attribs);
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106 | #else
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107 | Maybe<v8::PropertyAttribute> maybeCurrent =
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108 | obj->GetPropertyAttributes(isolate->GetCurrentContext(), key);
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109 | if (maybeCurrent.IsNothing()) {
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110 | return Nothing<bool>();
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111 | }
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112 | v8::PropertyAttribute current = maybeCurrent.FromJust();
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113 | return imp::DefineOwnPropertyHelper(current, obj, key, value, attribs);
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114 | #endif
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115 | }
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116 |
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117 | NAN_DEPRECATED inline Maybe<bool> ForceSet(
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118 | v8::Local<v8::Object> obj
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119 | , v8::Local<v8::Value> key
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120 | , v8::Local<v8::Value> value
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121 | , v8::PropertyAttribute attribs = v8::None) {
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122 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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123 | v8::HandleScope scope(isolate);
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124 | #if NODE_MODULE_VERSION >= NODE_9_0_MODULE_VERSION
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125 | return key->IsName()
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126 | ? obj->DefineOwnProperty(isolate->GetCurrentContext(),
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127 | key.As<v8::Name>(), value, attribs)
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128 | : Nothing<bool>();
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129 | #else
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130 | return obj->ForceSet(isolate->GetCurrentContext(), key, value, attribs);
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131 | #endif
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132 | }
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133 |
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134 | inline MaybeLocal<v8::Value> Get(
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135 | v8::Local<v8::Object> obj
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136 | , v8::Local<v8::Value> key) {
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137 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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138 | v8::EscapableHandleScope scope(isolate);
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139 | return scope.Escape(obj->Get(isolate->GetCurrentContext(), key)
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140 | .FromMaybe(v8::Local<v8::Value>()));
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141 | }
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142 |
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143 | inline
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144 | MaybeLocal<v8::Value> Get(v8::Local<v8::Object> obj, uint32_t index) {
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145 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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146 | v8::EscapableHandleScope scope(isolate);
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147 | return scope.Escape(obj->Get(isolate->GetCurrentContext(), index)
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148 | .FromMaybe(v8::Local<v8::Value>()));
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149 | }
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150 |
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151 | inline v8::PropertyAttribute GetPropertyAttributes(
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152 | v8::Local<v8::Object> obj
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153 | , v8::Local<v8::Value> key) {
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154 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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155 | v8::HandleScope scope(isolate);
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156 | return obj->GetPropertyAttributes(isolate->GetCurrentContext(), key)
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157 | .FromJust();
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158 | }
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159 |
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160 | inline Maybe<bool> Has(
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161 | v8::Local<v8::Object> obj
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162 | , v8::Local<v8::String> key) {
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163 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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164 | v8::HandleScope scope(isolate);
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165 | return obj->Has(isolate->GetCurrentContext(), key);
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166 | }
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167 |
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168 | inline Maybe<bool> Has(v8::Local<v8::Object> obj, uint32_t index) {
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169 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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170 | v8::HandleScope scope(isolate);
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171 | return obj->Has(isolate->GetCurrentContext(), index);
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172 | }
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173 |
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174 | inline Maybe<bool> Delete(
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175 | v8::Local<v8::Object> obj
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176 | , v8::Local<v8::String> key) {
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177 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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178 | v8::HandleScope scope(isolate);
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179 | return obj->Delete(isolate->GetCurrentContext(), key);
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180 | }
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181 |
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182 | inline
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183 | Maybe<bool> Delete(v8::Local<v8::Object> obj, uint32_t index) {
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184 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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185 | v8::HandleScope scope(isolate);
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186 | return obj->Delete(isolate->GetCurrentContext(), index);
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187 | }
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188 |
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189 | inline
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190 | MaybeLocal<v8::Array> GetPropertyNames(v8::Local<v8::Object> obj) {
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191 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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192 | v8::EscapableHandleScope scope(isolate);
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193 | return scope.Escape(obj->GetPropertyNames(isolate->GetCurrentContext())
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194 | .FromMaybe(v8::Local<v8::Array>()));
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195 | }
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196 |
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197 | inline
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198 | MaybeLocal<v8::Array> GetOwnPropertyNames(v8::Local<v8::Object> obj) {
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199 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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200 | v8::EscapableHandleScope scope(isolate);
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201 | return scope.Escape(obj->GetOwnPropertyNames(isolate->GetCurrentContext())
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202 | .FromMaybe(v8::Local<v8::Array>()));
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203 | }
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204 |
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205 | inline Maybe<bool> SetPrototype(
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206 | v8::Local<v8::Object> obj
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207 | , v8::Local<v8::Value> prototype) {
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208 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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209 | v8::HandleScope scope(isolate);
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210 | return obj->SetPrototype(isolate->GetCurrentContext(), prototype);
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211 | }
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212 |
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213 | inline MaybeLocal<v8::String> ObjectProtoToString(
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214 | v8::Local<v8::Object> obj) {
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215 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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216 | v8::EscapableHandleScope scope(isolate);
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217 | return scope.Escape(obj->ObjectProtoToString(isolate->GetCurrentContext())
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218 | .FromMaybe(v8::Local<v8::String>()));
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219 | }
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220 |
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221 | inline Maybe<bool> HasOwnProperty(
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222 | v8::Local<v8::Object> obj
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223 | , v8::Local<v8::String> key) {
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224 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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225 | v8::HandleScope scope(isolate);
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226 | return obj->HasOwnProperty(isolate->GetCurrentContext(), key);
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227 | }
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228 |
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229 | inline Maybe<bool> HasRealNamedProperty(
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230 | v8::Local<v8::Object> obj
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231 | , v8::Local<v8::String> key) {
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232 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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233 | v8::HandleScope scope(isolate);
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234 | return obj->HasRealNamedProperty(isolate->GetCurrentContext(), key);
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235 | }
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236 |
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237 | inline Maybe<bool> HasRealIndexedProperty(
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238 | v8::Local<v8::Object> obj
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239 | , uint32_t index) {
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240 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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241 | v8::HandleScope scope(isolate);
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242 | return obj->HasRealIndexedProperty(isolate->GetCurrentContext(), index);
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243 | }
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244 |
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245 | inline Maybe<bool> HasRealNamedCallbackProperty(
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246 | v8::Local<v8::Object> obj
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247 | , v8::Local<v8::String> key) {
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248 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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249 | v8::HandleScope scope(isolate);
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250 | return obj->HasRealNamedCallbackProperty(isolate->GetCurrentContext(), key);
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251 | }
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252 |
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253 | inline MaybeLocal<v8::Value> GetRealNamedPropertyInPrototypeChain(
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254 | v8::Local<v8::Object> obj
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255 | , v8::Local<v8::String> key) {
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256 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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257 | v8::EscapableHandleScope scope(isolate);
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258 | return scope.Escape(obj->GetRealNamedPropertyInPrototypeChain(
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259 | isolate->GetCurrentContext(), key)
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260 | .FromMaybe(v8::Local<v8::Value>()));
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261 | }
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262 |
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263 | inline MaybeLocal<v8::Value> GetRealNamedProperty(
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264 | v8::Local<v8::Object> obj
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265 | , v8::Local<v8::String> key) {
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266 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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267 | v8::EscapableHandleScope scope(isolate);
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268 | return scope.Escape(
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269 | obj->GetRealNamedProperty(isolate->GetCurrentContext(), key)
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270 | .FromMaybe(v8::Local<v8::Value>()));
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271 | }
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272 |
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273 | inline MaybeLocal<v8::Value> CallAsFunction(
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274 | v8::Local<v8::Object> obj
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275 | , v8::Local<v8::Object> recv
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276 | , int argc
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277 | , v8::Local<v8::Value> argv[]) {
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278 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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279 | v8::EscapableHandleScope scope(isolate);
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280 | return scope.Escape(
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281 | obj->CallAsFunction(isolate->GetCurrentContext(), recv, argc, argv)
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282 | .FromMaybe(v8::Local<v8::Value>()));
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283 | }
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284 |
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285 | inline MaybeLocal<v8::Value> CallAsConstructor(
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286 | v8::Local<v8::Object> obj
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287 | , int argc, v8::Local<v8::Value> argv[]) {
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288 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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289 | v8::EscapableHandleScope scope(isolate);
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290 | return scope.Escape(
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291 | obj->CallAsConstructor(isolate->GetCurrentContext(), argc, argv)
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292 | .FromMaybe(v8::Local<v8::Value>()));
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293 | }
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294 |
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295 | inline
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296 | MaybeLocal<v8::String> GetSourceLine(v8::Local<v8::Message> msg) {
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297 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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298 | v8::EscapableHandleScope scope(isolate);
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299 | return scope.Escape(msg->GetSourceLine(isolate->GetCurrentContext())
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300 | .FromMaybe(v8::Local<v8::String>()));
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301 | }
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302 |
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303 | inline Maybe<int> GetLineNumber(v8::Local<v8::Message> msg) {
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304 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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305 | v8::HandleScope scope(isolate);
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306 | return msg->GetLineNumber(isolate->GetCurrentContext());
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307 | }
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308 |
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309 | inline Maybe<int> GetStartColumn(v8::Local<v8::Message> msg) {
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310 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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311 | v8::HandleScope scope(isolate);
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312 | return msg->GetStartColumn(isolate->GetCurrentContext());
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313 | }
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314 |
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315 | inline Maybe<int> GetEndColumn(v8::Local<v8::Message> msg) {
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316 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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317 | v8::HandleScope scope(isolate);
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318 | return msg->GetEndColumn(isolate->GetCurrentContext());
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319 | }
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320 |
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321 | inline MaybeLocal<v8::Object> CloneElementAt(
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322 | v8::Local<v8::Array> array
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323 | , uint32_t index) {
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324 | #if (NODE_MODULE_VERSION >= NODE_6_0_MODULE_VERSION)
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325 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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326 | v8::EscapableHandleScope scope(isolate);
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327 | v8::Local<v8::Context> context = isolate->GetCurrentContext();
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328 | v8::Local<v8::Value> elem;
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329 | v8::Local<v8::Object> obj;
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330 | if (!array->Get(context, index).ToLocal(&elem)) {
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331 | return scope.Escape(obj);
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332 | }
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333 | if (!elem->ToObject(context).ToLocal(&obj)) {
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334 | return scope.Escape(v8::Local<v8::Object>());
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335 | }
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336 | return scope.Escape(obj->Clone());
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337 | #else
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338 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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339 | v8::EscapableHandleScope scope(isolate);
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340 | return scope.Escape(array->CloneElementAt(isolate->GetCurrentContext(), index)
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341 | .FromMaybe(v8::Local<v8::Object>()));
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342 | #endif
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343 | }
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344 |
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345 | inline MaybeLocal<v8::Value> Call(
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346 | v8::Local<v8::Function> fun
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347 | , v8::Local<v8::Object> recv
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348 | , int argc
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349 | , v8::Local<v8::Value> argv[]) {
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350 | v8::Isolate *isolate = v8::Isolate::GetCurrent();
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351 | v8::EscapableHandleScope scope(isolate);
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352 | return scope.Escape(fun->Call(isolate->GetCurrentContext(), recv, argc, argv)
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353 | .FromMaybe(v8::Local<v8::Value>()));
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354 | }
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355 |
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356 | #endif
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