OLD | NEW |
1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
(...skipping 4173 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4184 static const int kExternalTwoByteRepresentationTag = 0x02; | 4184 static const int kExternalTwoByteRepresentationTag = 0x02; |
4185 static const int kExternalAsciiRepresentationTag = 0x06; | 4185 static const int kExternalAsciiRepresentationTag = 0x06; |
4186 | 4186 |
4187 static const int kIsolateStateOffset = 0; | 4187 static const int kIsolateStateOffset = 0; |
4188 static const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize; | 4188 static const int kIsolateEmbedderDataOffset = 1 * kApiPointerSize; |
4189 static const int kIsolateRootsOffset = 3 * kApiPointerSize; | 4189 static const int kIsolateRootsOffset = 3 * kApiPointerSize; |
4190 static const int kUndefinedValueRootIndex = 5; | 4190 static const int kUndefinedValueRootIndex = 5; |
4191 static const int kNullValueRootIndex = 7; | 4191 static const int kNullValueRootIndex = 7; |
4192 static const int kTrueValueRootIndex = 8; | 4192 static const int kTrueValueRootIndex = 8; |
4193 static const int kFalseValueRootIndex = 9; | 4193 static const int kFalseValueRootIndex = 9; |
4194 static const int kEmptySymbolRootIndex = 119; | 4194 static const int kEmptyStringRootIndex = 118; |
4195 | 4195 |
4196 static const int kNodeClassIdOffset = 1 * kApiPointerSize; | 4196 static const int kNodeClassIdOffset = 1 * kApiPointerSize; |
4197 static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3; | 4197 static const int kNodeFlagsOffset = 1 * kApiPointerSize + 3; |
4198 static const int kNodeStateMask = 0xf; | 4198 static const int kNodeStateMask = 0xf; |
4199 static const int kNodeStateIsWeakValue = 2; | 4199 static const int kNodeStateIsWeakValue = 2; |
4200 static const int kNodeStateIsNearDeathValue = 4; | 4200 static const int kNodeStateIsNearDeathValue = 4; |
4201 static const int kNodeIsIndependentShift = 4; | 4201 static const int kNodeIsIndependentShift = 4; |
4202 static const int kNodeIsPartiallyDependentShift = 5; | 4202 static const int kNodeIsPartiallyDependentShift = 5; |
4203 | 4203 |
4204 static const int kJSObjectType = 0xab; | 4204 static const int kJSObjectType = 0xab; |
(...skipping 429 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4634 CheckCast(value); | 4634 CheckCast(value); |
4635 #endif | 4635 #endif |
4636 return static_cast<String*>(value); | 4636 return static_cast<String*>(value); |
4637 } | 4637 } |
4638 | 4638 |
4639 | 4639 |
4640 Local<String> String::Empty(Isolate* isolate) { | 4640 Local<String> String::Empty(Isolate* isolate) { |
4641 typedef internal::Object* S; | 4641 typedef internal::Object* S; |
4642 typedef internal::Internals I; | 4642 typedef internal::Internals I; |
4643 if (!I::IsInitialized(isolate)) return Empty(); | 4643 if (!I::IsInitialized(isolate)) return Empty(); |
4644 S* slot = I::GetRoot(isolate, I::kEmptySymbolRootIndex); | 4644 S* slot = I::GetRoot(isolate, I::kEmptyStringRootIndex); |
4645 return Local<String>(reinterpret_cast<String*>(slot)); | 4645 return Local<String>(reinterpret_cast<String*>(slot)); |
4646 } | 4646 } |
4647 | 4647 |
4648 | 4648 |
4649 String::ExternalStringResource* String::GetExternalStringResource() const { | 4649 String::ExternalStringResource* String::GetExternalStringResource() const { |
4650 typedef internal::Object O; | 4650 typedef internal::Object O; |
4651 typedef internal::Internals I; | 4651 typedef internal::Internals I; |
4652 O* obj = *reinterpret_cast<O**>(const_cast<String*>(this)); | 4652 O* obj = *reinterpret_cast<O**>(const_cast<String*>(this)); |
4653 String::ExternalStringResource* result; | 4653 String::ExternalStringResource* result; |
4654 if (I::IsExternalTwoByteString(I::GetInstanceType(obj))) { | 4654 if (I::IsExternalTwoByteString(I::GetInstanceType(obj))) { |
(...skipping 273 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
4928 | 4928 |
4929 | 4929 |
4930 } // namespace v8 | 4930 } // namespace v8 |
4931 | 4931 |
4932 | 4932 |
4933 #undef V8EXPORT | 4933 #undef V8EXPORT |
4934 #undef TYPE_CHECK | 4934 #undef TYPE_CHECK |
4935 | 4935 |
4936 | 4936 |
4937 #endif // V8_H_ | 4937 #endif // V8_H_ |
OLD | NEW |