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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #ifndef VM_RAW_OBJECT_H_ | 5 #ifndef VM_RAW_OBJECT_H_ |
6 #define VM_RAW_OBJECT_H_ | 6 #define VM_RAW_OBJECT_H_ |
7 | 7 |
8 #include "platform/assert.h" | 8 #include "platform/assert.h" |
9 #include "vm/globals.h" | 9 #include "vm/globals.h" |
10 #include "vm/token.h" | 10 #include "vm/token.h" |
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340 ptr()->tags_ = RememberedBit::update(true, tags); | 340 ptr()->tags_ = RememberedBit::update(true, tags); |
341 } | 341 } |
342 void ClearRememberedBit() { | 342 void ClearRememberedBit() { |
343 uword tags = ptr()->tags_; | 343 uword tags = ptr()->tags_; |
344 ptr()->tags_ = RememberedBit::update(false, tags); | 344 ptr()->tags_ = RememberedBit::update(false, tags); |
345 } | 345 } |
346 | 346 |
347 bool IsDartInstance() { | 347 bool IsDartInstance() { |
348 return (!IsHeapObject() || (GetClassId() >= kInstanceCid)); | 348 return (!IsHeapObject() || (GetClassId() >= kInstanceCid)); |
349 } | 349 } |
| 350 bool IsFreeListElement() { |
| 351 return ((GetClassId() == kFreeListElement)); |
| 352 } |
350 | 353 |
351 intptr_t Size() const { | 354 intptr_t Size() const { |
352 uword tags = ptr()->tags_; | 355 uword tags = ptr()->tags_; |
353 intptr_t result = SizeTag::decode(tags); | 356 intptr_t result = SizeTag::decode(tags); |
354 if (result != 0) { | 357 if (result != 0) { |
355 ASSERT(result == SizeFromClass()); | 358 ASSERT(result == SizeFromClass()); |
356 return result; | 359 return result; |
357 } | 360 } |
358 result = SizeFromClass(); | 361 result = SizeFromClass(); |
359 ASSERT(result > SizeTag::kMaxSizeTag); | 362 ASSERT(result > SizeTag::kMaxSizeTag); |
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1681 // Make sure this is updated when new TypedData types are added. | 1684 // Make sure this is updated when new TypedData types are added. |
1682 ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 12); | 1685 ASSERT(kTypedDataInt8ArrayViewCid == kTypedDataInt8ArrayCid + 12); |
1683 ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 13); | 1686 ASSERT(kExternalTypedDataInt8ArrayCid == kTypedDataInt8ArrayViewCid + 13); |
1684 ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 12); | 1687 ASSERT(kNullCid == kExternalTypedDataInt8ArrayCid + 12); |
1685 return (kNullCid - kTypedDataInt8ArrayCid); | 1688 return (kNullCid - kTypedDataInt8ArrayCid); |
1686 } | 1689 } |
1687 | 1690 |
1688 } // namespace dart | 1691 } // namespace dart |
1689 | 1692 |
1690 #endif // VM_RAW_OBJECT_H_ | 1693 #endif // VM_RAW_OBJECT_H_ |
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