Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 4 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 5 | #include "src/accessors.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 6 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 7 | #include "src/api.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 8 | #include "src/contexts.h" |
| 9 | #include "src/deoptimizer.h" |
| 10 | #include "src/execution.h" |
| 11 | #include "src/factory.h" |
| 12 | #include "src/frames-inl.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 13 | #include "src/isolate-inl.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 14 | #include "src/list-inl.h" |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 15 | #include "src/messages.h" |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 16 | #include "src/property-details.h" |
| 17 | #include "src/prototype.h" |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 18 | |
| 19 | namespace v8 { |
| 20 | namespace internal { |
| 21 | |
| 22 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 23 | Handle<AccessorInfo> Accessors::MakeAccessor( |
| 24 | Isolate* isolate, |
| 25 | Handle<Name> name, |
| 26 | AccessorNameGetterCallback getter, |
| 27 | AccessorNameSetterCallback setter, |
| 28 | PropertyAttributes attributes) { |
| 29 | Factory* factory = isolate->factory(); |
| 30 | Handle<ExecutableAccessorInfo> info = factory->NewExecutableAccessorInfo(); |
| 31 | info->set_property_attributes(attributes); |
| 32 | info->set_all_can_read(false); |
| 33 | info->set_all_can_write(false); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 34 | info->set_is_special_data_property(true); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 35 | info->set_name(*name); |
| 36 | Handle<Object> get = v8::FromCData(isolate, getter); |
| 37 | Handle<Object> set = v8::FromCData(isolate, setter); |
| 38 | info->set_getter(*get); |
| 39 | info->set_setter(*set); |
| 40 | return info; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 41 | } |
| 42 | |
| 43 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 44 | Handle<ExecutableAccessorInfo> Accessors::CloneAccessor( |
| 45 | Isolate* isolate, |
| 46 | Handle<ExecutableAccessorInfo> accessor) { |
| 47 | Factory* factory = isolate->factory(); |
| 48 | Handle<ExecutableAccessorInfo> info = factory->NewExecutableAccessorInfo(); |
| 49 | info->set_name(accessor->name()); |
| 50 | info->set_flag(accessor->flag()); |
| 51 | info->set_expected_receiver_type(accessor->expected_receiver_type()); |
| 52 | info->set_getter(accessor->getter()); |
| 53 | info->set_setter(accessor->setter()); |
| 54 | info->set_data(accessor->data()); |
| 55 | return info; |
| 56 | } |
| 57 | |
| 58 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 59 | static V8_INLINE bool CheckForName(Handle<Name> name, |
| 60 | Handle<String> property_name, |
| 61 | int offset, |
| 62 | int* object_offset) { |
| 63 | if (Name::Equals(name, property_name)) { |
| 64 | *object_offset = offset; |
| 65 | return true; |
| 66 | } |
| 67 | return false; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 68 | } |
| 69 | |
| 70 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 71 | // Returns true for properties that are accessors to object fields. |
| 72 | // If true, *object_offset contains offset of object field. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 73 | bool Accessors::IsJSObjectFieldAccessor(Handle<Map> map, Handle<Name> name, |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 74 | int* object_offset) { |
| 75 | Isolate* isolate = name->GetIsolate(); |
| 76 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 77 | switch (map->instance_type()) { |
| 78 | case JS_ARRAY_TYPE: |
| 79 | return |
| 80 | CheckForName(name, isolate->factory()->length_string(), |
| 81 | JSArray::kLengthOffset, object_offset); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 82 | case JS_ARRAY_BUFFER_TYPE: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 83 | return CheckForName(name, isolate->factory()->byte_length_string(), |
| 84 | JSArrayBuffer::kByteLengthOffset, object_offset); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 85 | default: |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 86 | if (map->instance_type() < FIRST_NONSTRING_TYPE) { |
| 87 | return CheckForName(name, isolate->factory()->length_string(), |
| 88 | String::kLengthOffset, object_offset); |
| 89 | } |
| 90 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 91 | return false; |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 96 | bool Accessors::IsJSArrayBufferViewFieldAccessor(Handle<Map> map, |
| 97 | Handle<Name> name, |
| 98 | int* object_offset) { |
| 99 | Isolate* isolate = name->GetIsolate(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 100 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 101 | switch (map->instance_type()) { |
| 102 | case JS_TYPED_ARRAY_TYPE: { |
| 103 | if (!CheckForName(name, isolate->factory()->length_string(), |
| 104 | JSTypedArray::kLengthOffset, object_offset) && |
| 105 | !CheckForName(name, isolate->factory()->byte_length_string(), |
| 106 | JSTypedArray::kByteLengthOffset, object_offset) && |
| 107 | !CheckForName(name, isolate->factory()->byte_offset_string(), |
| 108 | JSTypedArray::kByteOffsetOffset, object_offset)) { |
| 109 | return false; |
| 110 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 111 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 112 | if (map->is_dictionary_map()) return false; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 113 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 114 | // Check if the property is overridden on the instance. |
| 115 | DescriptorArray* descriptors = map->instance_descriptors(); |
| 116 | int descriptor = descriptors->SearchWithCache(*name, *map); |
| 117 | if (descriptor != DescriptorArray::kNotFound) return false; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 118 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 119 | Handle<Object> proto = Handle<Object>(map->prototype(), isolate); |
| 120 | if (!proto->IsJSReceiver()) return false; |
| 121 | |
| 122 | // Check if the property is defined in the prototype chain. |
| 123 | LookupIterator it(proto, name); |
| 124 | if (!it.IsFound()) return false; |
| 125 | |
| 126 | Object* original_proto = |
| 127 | JSFunction::cast(map->GetConstructor())->prototype(); |
| 128 | |
| 129 | // Property is not configurable. It is enough to verify that |
| 130 | // the holder is the same. |
| 131 | return *it.GetHolder<Object>() == original_proto; |
| 132 | } |
| 133 | case JS_DATA_VIEW_TYPE: |
| 134 | return CheckForName(name, isolate->factory()->byte_length_string(), |
| 135 | JSDataView::kByteLengthOffset, object_offset) || |
| 136 | CheckForName(name, isolate->factory()->byte_offset_string(), |
| 137 | JSDataView::kByteOffsetOffset, object_offset); |
| 138 | default: |
| 139 | return false; |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 140 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | |
| 144 | // |
| 145 | // Accessors::ArgumentsIterator |
| 146 | // |
| 147 | |
| 148 | |
| 149 | void Accessors::ArgumentsIteratorGetter( |
| 150 | v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 151 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 152 | DisallowHeapAllocation no_allocation; |
| 153 | HandleScope scope(isolate); |
| 154 | Object* result = isolate->native_context()->array_values_iterator(); |
| 155 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(result, isolate))); |
| 156 | } |
| 157 | |
| 158 | |
| 159 | void Accessors::ArgumentsIteratorSetter( |
| 160 | v8::Local<v8::Name> name, v8::Local<v8::Value> val, |
| 161 | const v8::PropertyCallbackInfo<void>& info) { |
| 162 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 163 | HandleScope scope(isolate); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 164 | Handle<JSObject> object_handle = |
| 165 | Handle<JSObject>::cast(Utils::OpenHandle(*info.This())); |
| 166 | Handle<Object> value_handle = Utils::OpenHandle(*val); |
| 167 | Handle<Name> name_handle = Utils::OpenHandle(*name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 168 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 169 | if (JSObject::DefinePropertyOrElementIgnoreAttributes( |
| 170 | object_handle, name_handle, value_handle, NONE) |
| 171 | .is_null()) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 172 | isolate->OptionalRescheduleException(false); |
| 173 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | |
| 177 | Handle<AccessorInfo> Accessors::ArgumentsIteratorInfo( |
| 178 | Isolate* isolate, PropertyAttributes attributes) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 179 | Handle<Name> name = isolate->factory()->iterator_symbol(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 180 | return MakeAccessor(isolate, name, &ArgumentsIteratorGetter, |
| 181 | &ArgumentsIteratorSetter, attributes); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 182 | } |
| 183 | |
| 184 | |
| 185 | // |
| 186 | // Accessors::ArrayLength |
| 187 | // |
| 188 | |
| 189 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 190 | void Accessors::ArrayLengthGetter( |
| 191 | v8::Local<v8::Name> name, |
| 192 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 193 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 194 | DisallowHeapAllocation no_allocation; |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 195 | HandleScope scope(isolate); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 196 | JSArray* holder = JSArray::cast(*Utils::OpenHandle(*info.Holder())); |
| 197 | Object* result = holder->length(); |
| 198 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(result, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 199 | } |
| 200 | |
| 201 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 202 | void Accessors::ArrayLengthSetter( |
| 203 | v8::Local<v8::Name> name, |
| 204 | v8::Local<v8::Value> val, |
| 205 | const v8::PropertyCallbackInfo<void>& info) { |
| 206 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 207 | HandleScope scope(isolate); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 208 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 209 | Handle<JSReceiver> object = Utils::OpenHandle(*info.This()); |
| 210 | Handle<JSArray> array = Handle<JSArray>::cast(object); |
| 211 | Handle<Object> length_obj = Utils::OpenHandle(*val); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 212 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 213 | uint32_t length = 0; |
| 214 | if (!JSArray::AnythingToArrayLength(isolate, length_obj, &length)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 215 | isolate->OptionalRescheduleException(false); |
| 216 | return; |
| 217 | } |
| 218 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 219 | if (JSArray::ObservableSetLength(array, length).is_null()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 220 | isolate->OptionalRescheduleException(false); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 221 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 222 | } |
| 223 | |
| 224 | |
| 225 | Handle<AccessorInfo> Accessors::ArrayLengthInfo( |
| 226 | Isolate* isolate, PropertyAttributes attributes) { |
| 227 | return MakeAccessor(isolate, |
| 228 | isolate->factory()->length_string(), |
| 229 | &ArrayLengthGetter, |
| 230 | &ArrayLengthSetter, |
| 231 | attributes); |
| 232 | } |
| 233 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 234 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 235 | // |
| 236 | // Accessors::StringLength |
| 237 | // |
| 238 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 239 | void Accessors::StringLengthGetter( |
| 240 | v8::Local<v8::Name> name, |
| 241 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 242 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 243 | DisallowHeapAllocation no_allocation; |
| 244 | HandleScope scope(isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 245 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 246 | // We have a slight impedance mismatch between the external API and the way we |
| 247 | // use callbacks internally: Externally, callbacks can only be used with |
| 248 | // v8::Object, but internally we have callbacks on entities which are higher |
| 249 | // in the hierarchy, in this case for String values. |
| 250 | |
| 251 | Object* value = *Utils::OpenHandle(*v8::Local<v8::Value>(info.This())); |
| 252 | if (!value->IsString()) { |
| 253 | // Not a string value. That means that we either got a String wrapper or |
| 254 | // a Value with a String wrapper in its prototype chain. |
| 255 | value = JSValue::cast(*Utils::OpenHandle(*info.Holder()))->value(); |
| 256 | } |
| 257 | Object* result = Smi::FromInt(String::cast(value)->length()); |
| 258 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(result, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 259 | } |
| 260 | |
| 261 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 262 | void Accessors::StringLengthSetter( |
| 263 | v8::Local<v8::Name> name, |
| 264 | v8::Local<v8::Value> value, |
| 265 | const v8::PropertyCallbackInfo<void>& info) { |
| 266 | UNREACHABLE(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 267 | } |
| 268 | |
| 269 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 270 | Handle<AccessorInfo> Accessors::StringLengthInfo( |
| 271 | Isolate* isolate, PropertyAttributes attributes) { |
| 272 | return MakeAccessor(isolate, |
| 273 | isolate->factory()->length_string(), |
| 274 | &StringLengthGetter, |
| 275 | &StringLengthSetter, |
| 276 | attributes); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 277 | } |
| 278 | |
| 279 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 280 | // |
| 281 | // Accessors::ScriptColumnOffset |
| 282 | // |
| 283 | |
| 284 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 285 | void Accessors::ScriptColumnOffsetGetter( |
| 286 | v8::Local<v8::Name> name, |
| 287 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 288 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 289 | DisallowHeapAllocation no_allocation; |
| 290 | HandleScope scope(isolate); |
| 291 | Object* object = *Utils::OpenHandle(*info.This()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 292 | Object* res = Smi::FromInt( |
| 293 | Script::cast(JSValue::cast(object)->value())->column_offset()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 294 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(res, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 295 | } |
| 296 | |
| 297 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 298 | void Accessors::ScriptColumnOffsetSetter( |
| 299 | v8::Local<v8::Name> name, |
| 300 | v8::Local<v8::Value> value, |
| 301 | const v8::PropertyCallbackInfo<void>& info) { |
| 302 | UNREACHABLE(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 303 | } |
| 304 | |
| 305 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 306 | Handle<AccessorInfo> Accessors::ScriptColumnOffsetInfo( |
| 307 | Isolate* isolate, PropertyAttributes attributes) { |
| 308 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 309 | STATIC_CHAR_VECTOR("column_offset"))); |
| 310 | return MakeAccessor(isolate, |
| 311 | name, |
| 312 | &ScriptColumnOffsetGetter, |
| 313 | &ScriptColumnOffsetSetter, |
| 314 | attributes); |
| 315 | } |
| 316 | |
| 317 | |
| 318 | // |
| 319 | // Accessors::ScriptId |
| 320 | // |
| 321 | |
| 322 | |
| 323 | void Accessors::ScriptIdGetter( |
| 324 | v8::Local<v8::Name> name, |
| 325 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 326 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 327 | DisallowHeapAllocation no_allocation; |
| 328 | HandleScope scope(isolate); |
| 329 | Object* object = *Utils::OpenHandle(*info.This()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 330 | Object* id = Smi::FromInt(Script::cast(JSValue::cast(object)->value())->id()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 331 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(id, isolate))); |
| 332 | } |
| 333 | |
| 334 | |
| 335 | void Accessors::ScriptIdSetter( |
| 336 | v8::Local<v8::Name> name, |
| 337 | v8::Local<v8::Value> value, |
| 338 | const v8::PropertyCallbackInfo<void>& info) { |
| 339 | UNREACHABLE(); |
| 340 | } |
| 341 | |
| 342 | |
| 343 | Handle<AccessorInfo> Accessors::ScriptIdInfo( |
| 344 | Isolate* isolate, PropertyAttributes attributes) { |
| 345 | Handle<String> name( |
| 346 | isolate->factory()->InternalizeOneByteString(STATIC_CHAR_VECTOR("id"))); |
| 347 | return MakeAccessor(isolate, |
| 348 | name, |
| 349 | &ScriptIdGetter, |
| 350 | &ScriptIdSetter, |
| 351 | attributes); |
| 352 | } |
| 353 | |
| 354 | |
| 355 | // |
| 356 | // Accessors::ScriptName |
| 357 | // |
| 358 | |
| 359 | |
| 360 | void Accessors::ScriptNameGetter( |
| 361 | v8::Local<v8::Name> name, |
| 362 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 363 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 364 | DisallowHeapAllocation no_allocation; |
| 365 | HandleScope scope(isolate); |
| 366 | Object* object = *Utils::OpenHandle(*info.This()); |
| 367 | Object* source = Script::cast(JSValue::cast(object)->value())->name(); |
| 368 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(source, isolate))); |
| 369 | } |
| 370 | |
| 371 | |
| 372 | void Accessors::ScriptNameSetter( |
| 373 | v8::Local<v8::Name> name, |
| 374 | v8::Local<v8::Value> value, |
| 375 | const v8::PropertyCallbackInfo<void>& info) { |
| 376 | UNREACHABLE(); |
| 377 | } |
| 378 | |
| 379 | |
| 380 | Handle<AccessorInfo> Accessors::ScriptNameInfo( |
| 381 | Isolate* isolate, PropertyAttributes attributes) { |
| 382 | return MakeAccessor(isolate, |
| 383 | isolate->factory()->name_string(), |
| 384 | &ScriptNameGetter, |
| 385 | &ScriptNameSetter, |
| 386 | attributes); |
| 387 | } |
| 388 | |
| 389 | |
| 390 | // |
| 391 | // Accessors::ScriptSource |
| 392 | // |
| 393 | |
| 394 | |
| 395 | void Accessors::ScriptSourceGetter( |
| 396 | v8::Local<v8::Name> name, |
| 397 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 398 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 399 | DisallowHeapAllocation no_allocation; |
| 400 | HandleScope scope(isolate); |
| 401 | Object* object = *Utils::OpenHandle(*info.This()); |
| 402 | Object* source = Script::cast(JSValue::cast(object)->value())->source(); |
| 403 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(source, isolate))); |
| 404 | } |
| 405 | |
| 406 | |
| 407 | void Accessors::ScriptSourceSetter( |
| 408 | v8::Local<v8::Name> name, |
| 409 | v8::Local<v8::Value> value, |
| 410 | const v8::PropertyCallbackInfo<void>& info) { |
| 411 | UNREACHABLE(); |
| 412 | } |
| 413 | |
| 414 | |
| 415 | Handle<AccessorInfo> Accessors::ScriptSourceInfo( |
| 416 | Isolate* isolate, PropertyAttributes attributes) { |
| 417 | return MakeAccessor(isolate, |
| 418 | isolate->factory()->source_string(), |
| 419 | &ScriptSourceGetter, |
| 420 | &ScriptSourceSetter, |
| 421 | attributes); |
| 422 | } |
| 423 | |
| 424 | |
| 425 | // |
| 426 | // Accessors::ScriptLineOffset |
| 427 | // |
| 428 | |
| 429 | |
| 430 | void Accessors::ScriptLineOffsetGetter( |
| 431 | v8::Local<v8::Name> name, |
| 432 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 433 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 434 | DisallowHeapAllocation no_allocation; |
| 435 | HandleScope scope(isolate); |
| 436 | Object* object = *Utils::OpenHandle(*info.This()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 437 | Object* res = |
| 438 | Smi::FromInt(Script::cast(JSValue::cast(object)->value())->line_offset()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 439 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(res, isolate))); |
| 440 | } |
| 441 | |
| 442 | |
| 443 | void Accessors::ScriptLineOffsetSetter( |
| 444 | v8::Local<v8::Name> name, |
| 445 | v8::Local<v8::Value> value, |
| 446 | const v8::PropertyCallbackInfo<void>& info) { |
| 447 | UNREACHABLE(); |
| 448 | } |
| 449 | |
| 450 | |
| 451 | Handle<AccessorInfo> Accessors::ScriptLineOffsetInfo( |
| 452 | Isolate* isolate, PropertyAttributes attributes) { |
| 453 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 454 | STATIC_CHAR_VECTOR("line_offset"))); |
| 455 | return MakeAccessor(isolate, |
| 456 | name, |
| 457 | &ScriptLineOffsetGetter, |
| 458 | &ScriptLineOffsetSetter, |
| 459 | attributes); |
| 460 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 461 | |
| 462 | |
| 463 | // |
| 464 | // Accessors::ScriptType |
| 465 | // |
| 466 | |
| 467 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 468 | void Accessors::ScriptTypeGetter( |
| 469 | v8::Local<v8::Name> name, |
| 470 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 471 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 472 | DisallowHeapAllocation no_allocation; |
| 473 | HandleScope scope(isolate); |
| 474 | Object* object = *Utils::OpenHandle(*info.This()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 475 | Object* res = |
| 476 | Smi::FromInt(Script::cast(JSValue::cast(object)->value())->type()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 477 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(res, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 481 | void Accessors::ScriptTypeSetter( |
| 482 | v8::Local<v8::Name> name, |
| 483 | v8::Local<v8::Value> value, |
| 484 | const v8::PropertyCallbackInfo<void>& info) { |
| 485 | UNREACHABLE(); |
| 486 | } |
| 487 | |
| 488 | |
| 489 | Handle<AccessorInfo> Accessors::ScriptTypeInfo( |
| 490 | Isolate* isolate, PropertyAttributes attributes) { |
| 491 | Handle<String> name( |
| 492 | isolate->factory()->InternalizeOneByteString(STATIC_CHAR_VECTOR("type"))); |
| 493 | return MakeAccessor(isolate, |
| 494 | name, |
| 495 | &ScriptTypeGetter, |
| 496 | &ScriptTypeSetter, |
| 497 | attributes); |
| 498 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 499 | |
| 500 | |
| 501 | // |
| 502 | // Accessors::ScriptCompilationType |
| 503 | // |
| 504 | |
| 505 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 506 | void Accessors::ScriptCompilationTypeGetter( |
| 507 | v8::Local<v8::Name> name, |
| 508 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 509 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 510 | DisallowHeapAllocation no_allocation; |
| 511 | HandleScope scope(isolate); |
| 512 | Object* object = *Utils::OpenHandle(*info.This()); |
| 513 | Object* res = Smi::FromInt( |
| 514 | Script::cast(JSValue::cast(object)->value())->compilation_type()); |
| 515 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(res, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 516 | } |
| 517 | |
| 518 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 519 | void Accessors::ScriptCompilationTypeSetter( |
| 520 | v8::Local<v8::Name> name, |
| 521 | v8::Local<v8::Value> value, |
| 522 | const v8::PropertyCallbackInfo<void>& info) { |
| 523 | UNREACHABLE(); |
| 524 | } |
| 525 | |
| 526 | |
| 527 | Handle<AccessorInfo> Accessors::ScriptCompilationTypeInfo( |
| 528 | Isolate* isolate, PropertyAttributes attributes) { |
| 529 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 530 | STATIC_CHAR_VECTOR("compilation_type"))); |
| 531 | return MakeAccessor(isolate, |
| 532 | name, |
| 533 | &ScriptCompilationTypeGetter, |
| 534 | &ScriptCompilationTypeSetter, |
| 535 | attributes); |
| 536 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 537 | |
| 538 | |
| 539 | // |
| 540 | // Accessors::ScriptGetLineEnds |
| 541 | // |
| 542 | |
| 543 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 544 | void Accessors::ScriptLineEndsGetter( |
| 545 | v8::Local<v8::Name> name, |
| 546 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 547 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 548 | HandleScope scope(isolate); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 549 | Handle<Object> object = Utils::OpenHandle(*info.This()); |
| 550 | Handle<Script> script( |
| 551 | Script::cast(Handle<JSValue>::cast(object)->value()), isolate); |
| 552 | Script::InitLineEnds(script); |
| 553 | DCHECK(script->line_ends()->IsFixedArray()); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 554 | Handle<FixedArray> line_ends(FixedArray::cast(script->line_ends())); |
Shimeng (Simon) Wang | 8a31eba | 2010-12-06 19:01:33 -0800 | [diff] [blame] | 555 | // We do not want anyone to modify this array from JS. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 556 | DCHECK(*line_ends == isolate->heap()->empty_fixed_array() || |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 557 | line_ends->map() == isolate->heap()->fixed_cow_array_map()); |
| 558 | Handle<JSArray> js_array = |
| 559 | isolate->factory()->NewJSArrayWithElements(line_ends); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 560 | info.GetReturnValue().Set(Utils::ToLocal(js_array)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 561 | } |
| 562 | |
| 563 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 564 | void Accessors::ScriptLineEndsSetter( |
| 565 | v8::Local<v8::Name> name, |
| 566 | v8::Local<v8::Value> value, |
| 567 | const v8::PropertyCallbackInfo<void>& info) { |
| 568 | UNREACHABLE(); |
| 569 | } |
| 570 | |
| 571 | |
| 572 | Handle<AccessorInfo> Accessors::ScriptLineEndsInfo( |
| 573 | Isolate* isolate, PropertyAttributes attributes) { |
| 574 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 575 | STATIC_CHAR_VECTOR("line_ends"))); |
| 576 | return MakeAccessor(isolate, |
| 577 | name, |
| 578 | &ScriptLineEndsGetter, |
| 579 | &ScriptLineEndsSetter, |
| 580 | attributes); |
| 581 | } |
| 582 | |
| 583 | |
| 584 | // |
| 585 | // Accessors::ScriptSourceUrl |
| 586 | // |
| 587 | |
| 588 | |
| 589 | void Accessors::ScriptSourceUrlGetter( |
| 590 | v8::Local<v8::Name> name, |
| 591 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 592 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 593 | DisallowHeapAllocation no_allocation; |
| 594 | HandleScope scope(isolate); |
| 595 | Object* object = *Utils::OpenHandle(*info.This()); |
| 596 | Object* url = Script::cast(JSValue::cast(object)->value())->source_url(); |
| 597 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(url, isolate))); |
| 598 | } |
| 599 | |
| 600 | |
| 601 | void Accessors::ScriptSourceUrlSetter( |
| 602 | v8::Local<v8::Name> name, |
| 603 | v8::Local<v8::Value> value, |
| 604 | const v8::PropertyCallbackInfo<void>& info) { |
| 605 | UNREACHABLE(); |
| 606 | } |
| 607 | |
| 608 | |
| 609 | Handle<AccessorInfo> Accessors::ScriptSourceUrlInfo( |
| 610 | Isolate* isolate, PropertyAttributes attributes) { |
| 611 | return MakeAccessor(isolate, |
| 612 | isolate->factory()->source_url_string(), |
| 613 | &ScriptSourceUrlGetter, |
| 614 | &ScriptSourceUrlSetter, |
| 615 | attributes); |
| 616 | } |
| 617 | |
| 618 | |
| 619 | // |
| 620 | // Accessors::ScriptSourceMappingUrl |
| 621 | // |
| 622 | |
| 623 | |
| 624 | void Accessors::ScriptSourceMappingUrlGetter( |
| 625 | v8::Local<v8::Name> name, |
| 626 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 627 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 628 | DisallowHeapAllocation no_allocation; |
| 629 | HandleScope scope(isolate); |
| 630 | Object* object = *Utils::OpenHandle(*info.This()); |
| 631 | Object* url = |
| 632 | Script::cast(JSValue::cast(object)->value())->source_mapping_url(); |
| 633 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(url, isolate))); |
| 634 | } |
| 635 | |
| 636 | |
| 637 | void Accessors::ScriptSourceMappingUrlSetter( |
| 638 | v8::Local<v8::Name> name, |
| 639 | v8::Local<v8::Value> value, |
| 640 | const v8::PropertyCallbackInfo<void>& info) { |
| 641 | UNREACHABLE(); |
| 642 | } |
| 643 | |
| 644 | |
| 645 | Handle<AccessorInfo> Accessors::ScriptSourceMappingUrlInfo( |
| 646 | Isolate* isolate, PropertyAttributes attributes) { |
| 647 | return MakeAccessor(isolate, |
| 648 | isolate->factory()->source_mapping_url_string(), |
| 649 | &ScriptSourceMappingUrlGetter, |
| 650 | &ScriptSourceMappingUrlSetter, |
| 651 | attributes); |
| 652 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 653 | |
| 654 | |
| 655 | // |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 656 | // Accessors::ScriptIsEmbedderDebugScript |
| 657 | // |
| 658 | |
| 659 | |
| 660 | void Accessors::ScriptIsEmbedderDebugScriptGetter( |
| 661 | v8::Local<v8::Name> name, const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 662 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 663 | DisallowHeapAllocation no_allocation; |
| 664 | HandleScope scope(isolate); |
| 665 | Object* object = *Utils::OpenHandle(*info.This()); |
| 666 | bool is_embedder_debug_script = Script::cast(JSValue::cast(object)->value()) |
| 667 | ->origin_options() |
| 668 | .IsEmbedderDebugScript(); |
| 669 | Object* res = *isolate->factory()->ToBoolean(is_embedder_debug_script); |
| 670 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(res, isolate))); |
| 671 | } |
| 672 | |
| 673 | |
| 674 | void Accessors::ScriptIsEmbedderDebugScriptSetter( |
| 675 | v8::Local<v8::Name> name, v8::Local<v8::Value> value, |
| 676 | const v8::PropertyCallbackInfo<void>& info) { |
| 677 | UNREACHABLE(); |
| 678 | } |
| 679 | |
| 680 | |
| 681 | Handle<AccessorInfo> Accessors::ScriptIsEmbedderDebugScriptInfo( |
| 682 | Isolate* isolate, PropertyAttributes attributes) { |
| 683 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 684 | STATIC_CHAR_VECTOR("is_debugger_script"))); |
| 685 | return MakeAccessor(isolate, name, &ScriptIsEmbedderDebugScriptGetter, |
| 686 | &ScriptIsEmbedderDebugScriptSetter, attributes); |
| 687 | } |
| 688 | |
| 689 | |
| 690 | // |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 691 | // Accessors::ScriptGetContextData |
| 692 | // |
| 693 | |
| 694 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 695 | void Accessors::ScriptContextDataGetter( |
| 696 | v8::Local<v8::Name> name, |
| 697 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 698 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 699 | DisallowHeapAllocation no_allocation; |
| 700 | HandleScope scope(isolate); |
| 701 | Object* object = *Utils::OpenHandle(*info.This()); |
| 702 | Object* res = Script::cast(JSValue::cast(object)->value())->context_data(); |
| 703 | info.GetReturnValue().Set(Utils::ToLocal(Handle<Object>(res, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 704 | } |
| 705 | |
| 706 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 707 | void Accessors::ScriptContextDataSetter( |
| 708 | v8::Local<v8::Name> name, |
| 709 | v8::Local<v8::Value> value, |
| 710 | const v8::PropertyCallbackInfo<void>& info) { |
| 711 | UNREACHABLE(); |
| 712 | } |
| 713 | |
| 714 | |
| 715 | Handle<AccessorInfo> Accessors::ScriptContextDataInfo( |
| 716 | Isolate* isolate, PropertyAttributes attributes) { |
| 717 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 718 | STATIC_CHAR_VECTOR("context_data"))); |
| 719 | return MakeAccessor(isolate, |
| 720 | name, |
| 721 | &ScriptContextDataGetter, |
| 722 | &ScriptContextDataSetter, |
| 723 | attributes); |
| 724 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 725 | |
| 726 | |
| 727 | // |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 728 | // Accessors::ScriptGetEvalFromScript |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 729 | // |
| 730 | |
| 731 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 732 | void Accessors::ScriptEvalFromScriptGetter( |
| 733 | v8::Local<v8::Name> name, |
| 734 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 735 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 736 | HandleScope scope(isolate); |
| 737 | Handle<Object> object = Utils::OpenHandle(*info.This()); |
| 738 | Handle<Script> script( |
| 739 | Script::cast(Handle<JSValue>::cast(object)->value()), isolate); |
| 740 | Handle<Object> result = isolate->factory()->undefined_value(); |
| 741 | if (!script->eval_from_shared()->IsUndefined()) { |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 742 | Handle<SharedFunctionInfo> eval_from_shared( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 743 | SharedFunctionInfo::cast(script->eval_from_shared())); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 744 | if (eval_from_shared->script()->IsScript()) { |
| 745 | Handle<Script> eval_from_script(Script::cast(eval_from_shared->script())); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 746 | result = Script::GetWrapper(eval_from_script); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 747 | } |
| 748 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 749 | |
| 750 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 751 | } |
| 752 | |
| 753 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 754 | void Accessors::ScriptEvalFromScriptSetter( |
| 755 | v8::Local<v8::Name> name, |
| 756 | v8::Local<v8::Value> value, |
| 757 | const v8::PropertyCallbackInfo<void>& info) { |
| 758 | UNREACHABLE(); |
| 759 | } |
| 760 | |
| 761 | |
| 762 | Handle<AccessorInfo> Accessors::ScriptEvalFromScriptInfo( |
| 763 | Isolate* isolate, PropertyAttributes attributes) { |
| 764 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 765 | STATIC_CHAR_VECTOR("eval_from_script"))); |
| 766 | return MakeAccessor(isolate, |
| 767 | name, |
| 768 | &ScriptEvalFromScriptGetter, |
| 769 | &ScriptEvalFromScriptSetter, |
| 770 | attributes); |
| 771 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 772 | |
| 773 | |
| 774 | // |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 775 | // Accessors::ScriptGetEvalFromScriptPosition |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 776 | // |
| 777 | |
| 778 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 779 | void Accessors::ScriptEvalFromScriptPositionGetter( |
| 780 | v8::Local<v8::Name> name, |
| 781 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 782 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 783 | HandleScope scope(isolate); |
| 784 | Handle<Object> object = Utils::OpenHandle(*info.This()); |
| 785 | Handle<Script> script( |
| 786 | Script::cast(Handle<JSValue>::cast(object)->value()), isolate); |
| 787 | Handle<Object> result = isolate->factory()->undefined_value(); |
| 788 | if (script->compilation_type() == Script::COMPILATION_TYPE_EVAL) { |
| 789 | Handle<Code> code(SharedFunctionInfo::cast( |
| 790 | script->eval_from_shared())->code()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 791 | result = Handle<Object>(Smi::FromInt(code->SourcePosition( |
| 792 | code->instruction_start() + |
| 793 | script->eval_from_instructions_offset())), |
| 794 | isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 795 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 796 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 797 | } |
| 798 | |
| 799 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 800 | void Accessors::ScriptEvalFromScriptPositionSetter( |
| 801 | v8::Local<v8::Name> name, |
| 802 | v8::Local<v8::Value> value, |
| 803 | const v8::PropertyCallbackInfo<void>& info) { |
| 804 | UNREACHABLE(); |
| 805 | } |
| 806 | |
| 807 | |
| 808 | Handle<AccessorInfo> Accessors::ScriptEvalFromScriptPositionInfo( |
| 809 | Isolate* isolate, PropertyAttributes attributes) { |
| 810 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 811 | STATIC_CHAR_VECTOR("eval_from_script_position"))); |
| 812 | return MakeAccessor(isolate, |
| 813 | name, |
| 814 | &ScriptEvalFromScriptPositionGetter, |
| 815 | &ScriptEvalFromScriptPositionSetter, |
| 816 | attributes); |
| 817 | } |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 818 | |
| 819 | |
| 820 | // |
| 821 | // Accessors::ScriptGetEvalFromFunctionName |
| 822 | // |
| 823 | |
| 824 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 825 | void Accessors::ScriptEvalFromFunctionNameGetter( |
| 826 | v8::Local<v8::Name> name, |
| 827 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 828 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 829 | HandleScope scope(isolate); |
| 830 | Handle<Object> object = Utils::OpenHandle(*info.This()); |
| 831 | Handle<Script> script( |
| 832 | Script::cast(Handle<JSValue>::cast(object)->value()), isolate); |
| 833 | Handle<Object> result; |
| 834 | Handle<SharedFunctionInfo> shared( |
| 835 | SharedFunctionInfo::cast(script->eval_from_shared())); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 836 | // Find the name of the function calling eval. |
| 837 | if (!shared->name()->IsUndefined()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 838 | result = Handle<Object>(shared->name(), isolate); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 839 | } else { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 840 | result = Handle<Object>(shared->inferred_name(), isolate); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 841 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 842 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
Steve Block | d0582a6 | 2009-12-15 09:54:21 +0000 | [diff] [blame] | 843 | } |
| 844 | |
| 845 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 846 | void Accessors::ScriptEvalFromFunctionNameSetter( |
| 847 | v8::Local<v8::Name> name, |
| 848 | v8::Local<v8::Value> value, |
| 849 | const v8::PropertyCallbackInfo<void>& info) { |
| 850 | UNREACHABLE(); |
| 851 | } |
| 852 | |
| 853 | |
| 854 | Handle<AccessorInfo> Accessors::ScriptEvalFromFunctionNameInfo( |
| 855 | Isolate* isolate, PropertyAttributes attributes) { |
| 856 | Handle<String> name(isolate->factory()->InternalizeOneByteString( |
| 857 | STATIC_CHAR_VECTOR("eval_from_function_name"))); |
| 858 | return MakeAccessor(isolate, |
| 859 | name, |
| 860 | &ScriptEvalFromFunctionNameGetter, |
| 861 | &ScriptEvalFromFunctionNameSetter, |
| 862 | attributes); |
| 863 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 864 | |
| 865 | |
| 866 | // |
| 867 | // Accessors::FunctionPrototype |
| 868 | // |
| 869 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 870 | static Handle<Object> GetFunctionPrototype(Isolate* isolate, |
| 871 | Handle<JSFunction> function) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 872 | if (!function->has_prototype()) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 873 | Handle<Object> proto = isolate->factory()->NewFunctionPrototype(function); |
| 874 | JSFunction::SetPrototype(function, proto); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 875 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 876 | return Handle<Object>(function->prototype(), isolate); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 877 | } |
| 878 | |
| 879 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 880 | MUST_USE_RESULT static MaybeHandle<Object> SetFunctionPrototype( |
| 881 | Isolate* isolate, Handle<JSFunction> function, Handle<Object> value) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 882 | Handle<Object> old_value; |
| 883 | bool is_observed = function->map()->is_observed(); |
| 884 | if (is_observed) { |
| 885 | if (function->has_prototype()) |
| 886 | old_value = handle(function->prototype(), isolate); |
| 887 | else |
| 888 | old_value = isolate->factory()->NewFunctionPrototype(function); |
Ben Murdoch | e0cee9b | 2011-05-25 10:26:03 +0100 | [diff] [blame] | 889 | } |
| 890 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 891 | JSFunction::SetPrototype(function, value); |
| 892 | DCHECK(function->prototype() == *value); |
| 893 | |
| 894 | if (is_observed && !old_value->SameValue(*value)) { |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 895 | MaybeHandle<Object> result = JSObject::EnqueueChangeRecord( |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 896 | function, "update", isolate->factory()->prototype_string(), old_value); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 897 | if (result.is_null()) return MaybeHandle<Object>(); |
John Reck | 5913587 | 2010-11-02 12:39:01 -0700 | [diff] [blame] | 898 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 899 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 900 | return function; |
| 901 | } |
| 902 | |
| 903 | |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 904 | MaybeHandle<Object> Accessors::FunctionSetPrototype(Handle<JSFunction> function, |
| 905 | Handle<Object> prototype) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 906 | DCHECK(function->IsConstructor()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 907 | Isolate* isolate = function->GetIsolate(); |
| 908 | return SetFunctionPrototype(isolate, function, prototype); |
| 909 | } |
| 910 | |
| 911 | |
| 912 | void Accessors::FunctionPrototypeGetter( |
| 913 | v8::Local<v8::Name> name, |
| 914 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 915 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 916 | HandleScope scope(isolate); |
| 917 | Handle<JSFunction> function = |
| 918 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
| 919 | Handle<Object> result = GetFunctionPrototype(isolate, function); |
| 920 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
| 921 | } |
| 922 | |
| 923 | |
| 924 | void Accessors::FunctionPrototypeSetter( |
| 925 | v8::Local<v8::Name> name, |
| 926 | v8::Local<v8::Value> val, |
| 927 | const v8::PropertyCallbackInfo<void>& info) { |
| 928 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 929 | HandleScope scope(isolate); |
| 930 | Handle<Object> value = Utils::OpenHandle(*val); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 931 | Handle<JSFunction> object = |
| 932 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 933 | if (SetFunctionPrototype(isolate, object, value).is_null()) { |
| 934 | isolate->OptionalRescheduleException(false); |
| 935 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 936 | } |
| 937 | |
| 938 | |
| 939 | Handle<AccessorInfo> Accessors::FunctionPrototypeInfo( |
| 940 | Isolate* isolate, PropertyAttributes attributes) { |
| 941 | return MakeAccessor(isolate, |
| 942 | isolate->factory()->prototype_string(), |
| 943 | &FunctionPrototypeGetter, |
| 944 | &FunctionPrototypeSetter, |
| 945 | attributes); |
| 946 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 947 | |
| 948 | |
| 949 | // |
| 950 | // Accessors::FunctionLength |
| 951 | // |
| 952 | |
| 953 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 954 | void Accessors::FunctionLengthGetter( |
| 955 | v8::Local<v8::Name> name, |
| 956 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 957 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 958 | HandleScope scope(isolate); |
| 959 | Handle<JSFunction> function = |
| 960 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
| 961 | |
| 962 | int length = 0; |
| 963 | if (function->shared()->is_compiled()) { |
| 964 | length = function->shared()->length(); |
| 965 | } else { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 966 | // If the function isn't compiled yet, the length is not computed |
| 967 | // correctly yet. Compile it now and return the right length. |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 968 | if (Compiler::Compile(function, KEEP_EXCEPTION)) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 969 | length = function->shared()->length(); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame] | 970 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 971 | if (isolate->has_pending_exception()) { |
| 972 | isolate->OptionalRescheduleException(false); |
| 973 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 974 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 975 | Handle<Object> result(Smi::FromInt(length), isolate); |
| 976 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 977 | } |
| 978 | |
| 979 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 980 | MUST_USE_RESULT static MaybeHandle<Object> ReplaceAccessorWithDataProperty( |
| 981 | Isolate* isolate, Handle<JSObject> object, Handle<Name> name, |
| 982 | Handle<Object> value, bool is_observed, Handle<Object> old_value) { |
| 983 | LookupIterator it(object, name); |
| 984 | CHECK_EQ(LookupIterator::ACCESSOR, it.state()); |
| 985 | DCHECK(it.HolderIsReceiverOrHiddenPrototype()); |
| 986 | it.ReconfigureDataProperty(value, it.property_details().attributes()); |
| 987 | |
| 988 | if (is_observed && !old_value->SameValue(*value)) { |
| 989 | return JSObject::EnqueueChangeRecord(object, "update", name, old_value); |
| 990 | } |
| 991 | |
| 992 | return value; |
| 993 | } |
| 994 | |
| 995 | |
| 996 | MUST_USE_RESULT static MaybeHandle<Object> SetFunctionLength( |
| 997 | Isolate* isolate, Handle<JSFunction> function, Handle<Object> value) { |
| 998 | Handle<Object> old_value; |
| 999 | bool is_observed = function->map()->is_observed(); |
| 1000 | if (is_observed) { |
| 1001 | old_value = handle(Smi::FromInt(function->shared()->length()), isolate); |
| 1002 | } |
| 1003 | |
| 1004 | return ReplaceAccessorWithDataProperty(isolate, function, |
| 1005 | isolate->factory()->length_string(), |
| 1006 | value, is_observed, old_value); |
| 1007 | } |
| 1008 | |
| 1009 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1010 | void Accessors::FunctionLengthSetter( |
| 1011 | v8::Local<v8::Name> name, |
| 1012 | v8::Local<v8::Value> val, |
| 1013 | const v8::PropertyCallbackInfo<void>& info) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1014 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 1015 | HandleScope scope(isolate); |
| 1016 | Handle<Object> value = Utils::OpenHandle(*val); |
| 1017 | |
| 1018 | Handle<JSFunction> object = |
| 1019 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
| 1020 | if (SetFunctionLength(isolate, object, value).is_null()) { |
| 1021 | isolate->OptionalRescheduleException(false); |
| 1022 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | |
| 1026 | Handle<AccessorInfo> Accessors::FunctionLengthInfo( |
| 1027 | Isolate* isolate, PropertyAttributes attributes) { |
| 1028 | return MakeAccessor(isolate, |
| 1029 | isolate->factory()->length_string(), |
| 1030 | &FunctionLengthGetter, |
| 1031 | &FunctionLengthSetter, |
| 1032 | attributes); |
| 1033 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1034 | |
| 1035 | |
| 1036 | // |
| 1037 | // Accessors::FunctionName |
| 1038 | // |
| 1039 | |
| 1040 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1041 | void Accessors::FunctionNameGetter( |
| 1042 | v8::Local<v8::Name> name, |
| 1043 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1044 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 1045 | HandleScope scope(isolate); |
| 1046 | Handle<JSFunction> function = |
| 1047 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1048 | Handle<Object> result; |
| 1049 | if (function->shared()->name_should_print_as_anonymous()) { |
| 1050 | result = isolate->factory()->anonymous_string(); |
| 1051 | } else { |
| 1052 | result = handle(function->shared()->name(), isolate); |
| 1053 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1054 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1055 | } |
| 1056 | |
| 1057 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1058 | MUST_USE_RESULT static MaybeHandle<Object> SetFunctionName( |
| 1059 | Isolate* isolate, Handle<JSFunction> function, Handle<Object> value) { |
| 1060 | Handle<Object> old_value; |
| 1061 | bool is_observed = function->map()->is_observed(); |
| 1062 | if (is_observed) { |
| 1063 | old_value = handle(function->shared()->name(), isolate); |
| 1064 | } |
| 1065 | |
| 1066 | return ReplaceAccessorWithDataProperty(isolate, function, |
| 1067 | isolate->factory()->name_string(), |
| 1068 | value, is_observed, old_value); |
| 1069 | } |
| 1070 | |
| 1071 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1072 | void Accessors::FunctionNameSetter( |
| 1073 | v8::Local<v8::Name> name, |
| 1074 | v8::Local<v8::Value> val, |
| 1075 | const v8::PropertyCallbackInfo<void>& info) { |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1076 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 1077 | HandleScope scope(isolate); |
| 1078 | Handle<Object> value = Utils::OpenHandle(*val); |
| 1079 | |
| 1080 | Handle<JSFunction> object = |
| 1081 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
| 1082 | if (SetFunctionName(isolate, object, value).is_null()) { |
| 1083 | isolate->OptionalRescheduleException(false); |
| 1084 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | |
| 1088 | Handle<AccessorInfo> Accessors::FunctionNameInfo( |
| 1089 | Isolate* isolate, PropertyAttributes attributes) { |
| 1090 | return MakeAccessor(isolate, |
| 1091 | isolate->factory()->name_string(), |
| 1092 | &FunctionNameGetter, |
| 1093 | &FunctionNameSetter, |
| 1094 | attributes); |
| 1095 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1096 | |
| 1097 | |
| 1098 | // |
| 1099 | // Accessors::FunctionArguments |
| 1100 | // |
| 1101 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1102 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1103 | static Handle<Object> ArgumentsForInlinedFunction( |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1104 | JavaScriptFrame* frame, |
| 1105 | Handle<JSFunction> inlined_function, |
| 1106 | int inlined_frame_index) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1107 | Isolate* isolate = inlined_function->GetIsolate(); |
| 1108 | Factory* factory = isolate->factory(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1109 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1110 | TranslatedState translated_values(frame); |
| 1111 | translated_values.Prepare(false, frame->fp()); |
| 1112 | |
| 1113 | int argument_count = 0; |
| 1114 | TranslatedFrame* translated_frame = |
| 1115 | translated_values.GetArgumentsInfoFromJSFrameIndex(inlined_frame_index, |
| 1116 | &argument_count); |
| 1117 | TranslatedFrame::iterator iter = translated_frame->begin(); |
| 1118 | |
| 1119 | // Skip the function. |
| 1120 | iter++; |
| 1121 | |
| 1122 | // Skip the receiver. |
| 1123 | iter++; |
| 1124 | argument_count--; |
| 1125 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1126 | Handle<JSObject> arguments = |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1127 | factory->NewArgumentsObject(inlined_function, argument_count); |
| 1128 | Handle<FixedArray> array = factory->NewFixedArray(argument_count); |
| 1129 | bool should_deoptimize = false; |
| 1130 | for (int i = 0; i < argument_count; ++i) { |
| 1131 | // If we materialize any object, we should deopt because we might alias |
| 1132 | // an object that was eliminated by escape analysis. |
| 1133 | should_deoptimize = should_deoptimize || iter->IsMaterializedObject(); |
| 1134 | Handle<Object> value = iter->GetValue(); |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1135 | array->set(i, *value); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1136 | iter++; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1137 | } |
| 1138 | arguments->set_elements(*array); |
| 1139 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1140 | if (should_deoptimize) { |
| 1141 | translated_values.StoreMaterializedValuesAndDeopt(); |
| 1142 | } |
| 1143 | |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1144 | // Return the freshly allocated arguments object. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1145 | return arguments; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1146 | } |
| 1147 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1148 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1149 | static int FindFunctionInFrame(JavaScriptFrame* frame, |
| 1150 | Handle<JSFunction> function) { |
| 1151 | DisallowHeapAllocation no_allocation; |
Ben Murdoch | b0fe162 | 2011-05-05 13:52:32 +0100 | [diff] [blame] | 1152 | List<JSFunction*> functions(2); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1153 | frame->GetFunctions(&functions); |
| 1154 | for (int i = functions.length() - 1; i >= 0; i--) { |
| 1155 | if (functions[i] == *function) return i; |
| 1156 | } |
| 1157 | return -1; |
| 1158 | } |
| 1159 | |
| 1160 | |
| 1161 | Handle<Object> GetFunctionArguments(Isolate* isolate, |
| 1162 | Handle<JSFunction> function) { |
| 1163 | if (function->shared()->native()) return isolate->factory()->null_value(); |
| 1164 | |
| 1165 | // Find the top invocation of the function by traversing frames. |
Ben Murdoch | 8b112d2 | 2011-06-08 16:22:53 +0100 | [diff] [blame] | 1166 | for (JavaScriptFrameIterator it(isolate); !it.done(); it.Advance()) { |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1167 | JavaScriptFrame* frame = it.frame(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1168 | int function_index = FindFunctionInFrame(frame, function); |
| 1169 | if (function_index < 0) continue; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1170 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1171 | if (function_index > 0) { |
| 1172 | // The function in question was inlined. Inlined functions have the |
| 1173 | // correct number of arguments and no allocated arguments object, so |
| 1174 | // we can construct a fresh one by interpreting the function's |
| 1175 | // deoptimization input data. |
| 1176 | return ArgumentsForInlinedFunction(frame, function, function_index); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1177 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1178 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1179 | // Find the frame that holds the actual arguments passed to the function. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1180 | it.AdvanceToArgumentsFrame(); |
| 1181 | frame = it.frame(); |
| 1182 | |
| 1183 | // Get the number of arguments and construct an arguments object |
| 1184 | // mirror for the right frame. |
| 1185 | const int length = frame->ComputeParametersCount(); |
| 1186 | Handle<JSObject> arguments = isolate->factory()->NewArgumentsObject( |
| 1187 | function, length); |
| 1188 | Handle<FixedArray> array = isolate->factory()->NewFixedArray(length); |
| 1189 | |
| 1190 | // Copy the parameters to the arguments object. |
| 1191 | DCHECK(array->length() == length); |
| 1192 | for (int i = 0; i < length; i++) array->set(i, frame->GetParameter(i)); |
| 1193 | arguments->set_elements(*array); |
| 1194 | |
| 1195 | // Return the freshly allocated arguments object. |
| 1196 | return arguments; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1197 | } |
| 1198 | |
| 1199 | // No frame corresponding to the given function found. Return null. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1200 | return isolate->factory()->null_value(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1201 | } |
| 1202 | |
| 1203 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1204 | Handle<Object> Accessors::FunctionGetArguments(Handle<JSFunction> function) { |
| 1205 | return GetFunctionArguments(function->GetIsolate(), function); |
| 1206 | } |
| 1207 | |
| 1208 | |
| 1209 | void Accessors::FunctionArgumentsGetter( |
| 1210 | v8::Local<v8::Name> name, |
| 1211 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1212 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 1213 | HandleScope scope(isolate); |
| 1214 | Handle<JSFunction> function = |
| 1215 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
| 1216 | Handle<Object> result = GetFunctionArguments(isolate, function); |
| 1217 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
| 1218 | } |
| 1219 | |
| 1220 | |
| 1221 | void Accessors::FunctionArgumentsSetter( |
| 1222 | v8::Local<v8::Name> name, |
| 1223 | v8::Local<v8::Value> val, |
| 1224 | const v8::PropertyCallbackInfo<void>& info) { |
| 1225 | // Function arguments is non writable, non configurable. |
| 1226 | UNREACHABLE(); |
| 1227 | } |
| 1228 | |
| 1229 | |
| 1230 | Handle<AccessorInfo> Accessors::FunctionArgumentsInfo( |
| 1231 | Isolate* isolate, PropertyAttributes attributes) { |
| 1232 | return MakeAccessor(isolate, |
| 1233 | isolate->factory()->arguments_string(), |
| 1234 | &FunctionArgumentsGetter, |
| 1235 | &FunctionArgumentsSetter, |
| 1236 | attributes); |
| 1237 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1238 | |
| 1239 | |
| 1240 | // |
| 1241 | // Accessors::FunctionCaller |
| 1242 | // |
| 1243 | |
| 1244 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1245 | static inline bool AllowAccessToFunction(Context* current_context, |
| 1246 | JSFunction* function) { |
| 1247 | return current_context->HasSameSecurityTokenAs(function->context()); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1248 | } |
| 1249 | |
| 1250 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1251 | class FrameFunctionIterator { |
| 1252 | public: |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1253 | FrameFunctionIterator(Isolate* isolate, const DisallowHeapAllocation& promise) |
| 1254 | : isolate_(isolate), |
| 1255 | frame_iterator_(isolate), |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1256 | functions_(2), |
| 1257 | index_(0) { |
| 1258 | GetFunctions(); |
| 1259 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1260 | JSFunction* next() { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1261 | while (true) { |
| 1262 | if (functions_.length() == 0) return NULL; |
| 1263 | JSFunction* next_function = functions_[index_]; |
| 1264 | index_--; |
| 1265 | if (index_ < 0) { |
| 1266 | GetFunctions(); |
| 1267 | } |
| 1268 | // Skip functions from other origins. |
| 1269 | if (!AllowAccessToFunction(isolate_->context(), next_function)) continue; |
| 1270 | return next_function; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1271 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1272 | } |
| 1273 | |
| 1274 | // Iterate through functions until the first occurence of 'function'. |
| 1275 | // Returns true if 'function' is found, and false if the iterator ends |
| 1276 | // without finding it. |
| 1277 | bool Find(JSFunction* function) { |
| 1278 | JSFunction* next_function; |
| 1279 | do { |
| 1280 | next_function = next(); |
| 1281 | if (next_function == function) return true; |
| 1282 | } while (next_function != NULL); |
| 1283 | return false; |
| 1284 | } |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 1285 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1286 | private: |
| 1287 | void GetFunctions() { |
| 1288 | functions_.Rewind(0); |
| 1289 | if (frame_iterator_.done()) return; |
| 1290 | JavaScriptFrame* frame = frame_iterator_.frame(); |
| 1291 | frame->GetFunctions(&functions_); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1292 | DCHECK(functions_.length() > 0); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1293 | frame_iterator_.Advance(); |
| 1294 | index_ = functions_.length() - 1; |
| 1295 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1296 | Isolate* isolate_; |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1297 | JavaScriptFrameIterator frame_iterator_; |
| 1298 | List<JSFunction*> functions_; |
| 1299 | int index_; |
| 1300 | }; |
| 1301 | |
| 1302 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1303 | MaybeHandle<JSFunction> FindCaller(Isolate* isolate, |
| 1304 | Handle<JSFunction> function) { |
| 1305 | DisallowHeapAllocation no_allocation; |
| 1306 | FrameFunctionIterator it(isolate, no_allocation); |
| 1307 | if (function->shared()->native()) { |
| 1308 | return MaybeHandle<JSFunction>(); |
| 1309 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1310 | // Find the function from the frames. |
| 1311 | if (!it.Find(*function)) { |
| 1312 | // No frame corresponding to the given function found. Return null. |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1313 | return MaybeHandle<JSFunction>(); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1314 | } |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1315 | // Find previously called non-toplevel function. |
| 1316 | JSFunction* caller; |
| 1317 | do { |
| 1318 | caller = it.next(); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1319 | if (caller == NULL) return MaybeHandle<JSFunction>(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1320 | } while (caller->shared()->is_toplevel()); |
| 1321 | |
| 1322 | // If caller is a built-in function and caller's caller is also built-in, |
| 1323 | // use that instead. |
| 1324 | JSFunction* potential_caller = caller; |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1325 | while (potential_caller != NULL && potential_caller->shared()->IsBuiltin()) { |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1326 | caller = potential_caller; |
| 1327 | potential_caller = it.next(); |
| 1328 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1329 | if (!caller->shared()->native() && potential_caller != NULL) { |
| 1330 | caller = potential_caller; |
| 1331 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1332 | // Censor if the caller is not a sloppy mode function. |
| 1333 | // Change from ES5, which used to throw, see: |
| 1334 | // https://bugs.ecmascript.org/show_bug.cgi?id=310 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1335 | if (is_strict(caller->shared()->language_mode())) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1336 | return MaybeHandle<JSFunction>(); |
| 1337 | } |
| 1338 | // Don't return caller from another security context. |
| 1339 | if (!AllowAccessToFunction(isolate->context(), caller)) { |
| 1340 | return MaybeHandle<JSFunction>(); |
| 1341 | } |
| 1342 | return Handle<JSFunction>(caller); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1343 | } |
| 1344 | |
| 1345 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1346 | void Accessors::FunctionCallerGetter( |
| 1347 | v8::Local<v8::Name> name, |
| 1348 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1349 | i::Isolate* isolate = reinterpret_cast<i::Isolate*>(info.GetIsolate()); |
| 1350 | HandleScope scope(isolate); |
| 1351 | Handle<JSFunction> function = |
| 1352 | Handle<JSFunction>::cast(Utils::OpenHandle(*info.Holder())); |
| 1353 | Handle<Object> result; |
| 1354 | MaybeHandle<JSFunction> maybe_caller; |
| 1355 | maybe_caller = FindCaller(isolate, function); |
| 1356 | Handle<JSFunction> caller; |
| 1357 | if (maybe_caller.ToHandle(&caller)) { |
| 1358 | result = caller; |
| 1359 | } else { |
| 1360 | result = isolate->factory()->null_value(); |
| 1361 | } |
| 1362 | info.GetReturnValue().Set(Utils::ToLocal(result)); |
| 1363 | } |
| 1364 | |
| 1365 | |
| 1366 | void Accessors::FunctionCallerSetter( |
| 1367 | v8::Local<v8::Name> name, |
| 1368 | v8::Local<v8::Value> val, |
| 1369 | const v8::PropertyCallbackInfo<void>& info) { |
| 1370 | // Function caller is non writable, non configurable. |
| 1371 | UNREACHABLE(); |
| 1372 | } |
| 1373 | |
| 1374 | |
| 1375 | Handle<AccessorInfo> Accessors::FunctionCallerInfo( |
| 1376 | Isolate* isolate, PropertyAttributes attributes) { |
| 1377 | return MakeAccessor(isolate, |
| 1378 | isolate->factory()->caller_string(), |
| 1379 | &FunctionCallerGetter, |
| 1380 | &FunctionCallerSetter, |
| 1381 | attributes); |
| 1382 | } |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1383 | |
| 1384 | |
| 1385 | // |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1386 | // Accessors::MakeModuleExport |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1387 | // |
| 1388 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1389 | static void ModuleGetExport( |
| 1390 | v8::Local<v8::String> property, |
| 1391 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1392 | JSModule* instance = JSModule::cast(*v8::Utils::OpenHandle(*info.Holder())); |
| 1393 | Context* context = Context::cast(instance->context()); |
| 1394 | DCHECK(context->IsModuleContext()); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1395 | Isolate* isolate = instance->GetIsolate(); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1396 | int slot = info.Data() |
| 1397 | ->Int32Value(info.GetIsolate()->GetCurrentContext()) |
| 1398 | .FromMaybe(-1); |
| 1399 | if (slot < 0 || slot >= context->length()) { |
| 1400 | Handle<String> name = v8::Utils::OpenHandle(*property); |
| 1401 | |
| 1402 | Handle<Object> exception = isolate->factory()->NewReferenceError( |
| 1403 | MessageTemplate::kNotDefined, name); |
| 1404 | isolate->ScheduleThrow(*exception); |
| 1405 | return; |
| 1406 | } |
| 1407 | Object* value = context->get(slot); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1408 | if (value->IsTheHole()) { |
| 1409 | Handle<String> name = v8::Utils::OpenHandle(*property); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1410 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1411 | Handle<Object> exception = isolate->factory()->NewReferenceError( |
| 1412 | MessageTemplate::kNotDefined, name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1413 | isolate->ScheduleThrow(*exception); |
| 1414 | return; |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1415 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1416 | info.GetReturnValue().Set(v8::Utils::ToLocal(Handle<Object>(value, isolate))); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1417 | } |
| 1418 | |
| 1419 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1420 | static void ModuleSetExport( |
| 1421 | v8::Local<v8::String> property, |
| 1422 | v8::Local<v8::Value> value, |
| 1423 | const v8::PropertyCallbackInfo<v8::Value>& info) { |
| 1424 | JSModule* instance = JSModule::cast(*v8::Utils::OpenHandle(*info.Holder())); |
| 1425 | Context* context = Context::cast(instance->context()); |
| 1426 | DCHECK(context->IsModuleContext()); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1427 | Isolate* isolate = instance->GetIsolate(); |
| 1428 | int slot = info.Data() |
| 1429 | ->Int32Value(info.GetIsolate()->GetCurrentContext()) |
| 1430 | .FromMaybe(-1); |
| 1431 | if (slot < 0 || slot >= context->length()) { |
| 1432 | Handle<String> name = v8::Utils::OpenHandle(*property); |
| 1433 | Handle<Object> exception = isolate->factory()->NewReferenceError( |
| 1434 | MessageTemplate::kNotDefined, name); |
| 1435 | isolate->ScheduleThrow(*exception); |
| 1436 | return; |
| 1437 | } |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1438 | Object* old_value = context->get(slot); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1439 | if (old_value->IsTheHole()) { |
| 1440 | Handle<String> name = v8::Utils::OpenHandle(*property); |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1441 | Handle<Object> exception = isolate->factory()->NewReferenceError( |
| 1442 | MessageTemplate::kNotDefined, name); |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1443 | isolate->ScheduleThrow(*exception); |
| 1444 | return; |
| 1445 | } |
| 1446 | context->set(slot, *v8::Utils::OpenHandle(*value)); |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1447 | } |
| 1448 | |
| 1449 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1450 | Handle<AccessorInfo> Accessors::MakeModuleExport( |
| 1451 | Handle<String> name, |
| 1452 | int index, |
| 1453 | PropertyAttributes attributes) { |
| 1454 | Isolate* isolate = name->GetIsolate(); |
| 1455 | Factory* factory = isolate->factory(); |
| 1456 | Handle<ExecutableAccessorInfo> info = factory->NewExecutableAccessorInfo(); |
| 1457 | info->set_property_attributes(attributes); |
| 1458 | info->set_all_can_read(true); |
| 1459 | info->set_all_can_write(true); |
| 1460 | info->set_name(*name); |
| 1461 | info->set_data(Smi::FromInt(index)); |
| 1462 | Handle<Object> getter = v8::FromCData(isolate, &ModuleGetExport); |
| 1463 | Handle<Object> setter = v8::FromCData(isolate, &ModuleSetExport); |
| 1464 | info->set_getter(*getter); |
| 1465 | if (!(attributes & ReadOnly)) info->set_setter(*setter); |
| 1466 | return info; |
| 1467 | } |
| 1468 | |
Steve Block | a7e24c1 | 2009-10-30 11:49:00 +0000 | [diff] [blame] | 1469 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1470 | } // namespace internal |
| 1471 | } // namespace v8 |