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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_OBJECT_H_ | 5 #ifndef VM_OBJECT_H_ |
| 6 #define VM_OBJECT_H_ | 6 #define VM_OBJECT_H_ |
| 7 | 7 |
| 8 #include "include/dart_api.h" | 8 #include "include/dart_api.h" |
| 9 #include "platform/assert.h" | 9 #include "platform/assert.h" |
| 10 #include "platform/utils.h" | 10 #include "platform/utils.h" |
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| 3494 public: | 3494 public: |
| 3495 intptr_t Capacity() const { | 3495 intptr_t Capacity() const { |
| 3496 NoGCScope no_gc; | 3496 NoGCScope no_gc; |
| 3497 ASSERT(!IsNull()); | 3497 ASSERT(!IsNull()); |
| 3498 return Smi::Value(DataArray()->length_); | 3498 return Smi::Value(DataArray()->length_); |
| 3499 } | 3499 } |
| 3500 intptr_t Length() const { | 3500 intptr_t Length() const { |
| 3501 ASSERT(!IsNull()); | 3501 ASSERT(!IsNull()); |
| 3502 return Smi::Value(raw_ptr()->length_); | 3502 return Smi::Value(raw_ptr()->length_); |
| 3503 } | 3503 } |
| 3504 void SetLength(intptr_t value) const { |
| 3505 // This is only safe because we create a new Smi, which does not cause |
| 3506 // heap allocation. |
| 3507 raw_ptr()->length_ = Smi::New(value); |
| 3508 } |
| 3509 |
| 3510 RawArray* data() const { return raw_ptr()->data_; } |
| 3511 void SetData(const Array& value) const { |
| 3512 StorePointer(&raw_ptr()->data_, value.raw()); |
| 3513 } |
| 3504 | 3514 |
| 3505 RawObject* At(intptr_t index) const { | 3515 RawObject* At(intptr_t index) const { |
| 3506 NoGCScope no_gc; | 3516 NoGCScope no_gc; |
| 3507 ASSERT(!IsNull()); | 3517 ASSERT(!IsNull()); |
| 3508 ASSERT(index < Length()); | 3518 ASSERT(index < Length()); |
| 3509 return *ObjectAddr(index); | 3519 return *ObjectAddr(index); |
| 3510 } | 3520 } |
| 3511 void SetAt(intptr_t index, const Object& value) const { | 3521 void SetAt(intptr_t index, const Object& value) const { |
| 3512 NoGCScope no_gc; | 3522 NoGCScope no_gc; |
| 3513 ASSERT(!IsNull()); | 3523 ASSERT(!IsNull()); |
| 3514 ASSERT(index < Length()); | 3524 ASSERT(index < Length()); |
| 3515 StorePointer(ObjectAddr(index), value.raw()); | 3525 StorePointer(ObjectAddr(index), value.raw()); |
| 3516 } | 3526 } |
| 3517 | 3527 |
| 3518 void Add(const Object& value, Heap::Space space = Heap::kNew) const; | 3528 void Add(const Object& value, Heap::Space space = Heap::kNew) const; |
| 3529 void Grow(intptr_t new_capacity, Heap::Space space = Heap::kNew) const; |
| 3519 RawObject* RemoveLast() const; | 3530 RawObject* RemoveLast() const; |
| 3520 | 3531 |
| 3521 virtual RawAbstractTypeArguments* GetTypeArguments() const { | 3532 virtual RawAbstractTypeArguments* GetTypeArguments() const { |
| 3522 const Array& contents = Array::Handle(data()); | 3533 const Array& contents = Array::Handle(data()); |
| 3523 return contents.GetTypeArguments(); | 3534 return contents.GetTypeArguments(); |
| 3524 } | 3535 } |
| 3525 virtual void SetTypeArguments(const AbstractTypeArguments& value) const { | 3536 virtual void SetTypeArguments(const AbstractTypeArguments& value) const { |
| 3526 const Array& contents = Array::Handle(data()); | 3537 const Array& contents = Array::Handle(data()); |
| 3527 contents.SetTypeArguments(value); | 3538 contents.SetTypeArguments(value); |
| 3539 raw_ptr()->type_arguments_ = value.Canonicalize(); |
| 3528 } | 3540 } |
| 3529 | 3541 |
| 3530 virtual bool Equals(const Instance& other) const; | 3542 virtual bool Equals(const Instance& other) const; |
| 3531 | 3543 |
| 3544 static intptr_t type_arguments_offset() { |
| 3545 return OFFSET_OF(RawGrowableObjectArray, type_arguments_); |
| 3546 } |
| 3547 |
| 3532 static intptr_t length_offset() { | 3548 static intptr_t length_offset() { |
| 3533 return OFFSET_OF(RawGrowableObjectArray, length_); | 3549 return OFFSET_OF(RawGrowableObjectArray, length_); |
| 3534 } | 3550 } |
| 3535 static intptr_t data_offset() { | 3551 static intptr_t data_offset() { |
| 3536 return OFFSET_OF(RawGrowableObjectArray, data_); | 3552 return OFFSET_OF(RawGrowableObjectArray, data_); |
| 3537 } | 3553 } |
| 3538 | 3554 |
| 3539 static intptr_t InstanceSize() { | 3555 static intptr_t InstanceSize() { |
| 3540 return RoundedAllocationSize(sizeof(RawGrowableObjectArray)); | 3556 return RoundedAllocationSize(sizeof(RawGrowableObjectArray)); |
| 3541 } | 3557 } |
| 3542 | 3558 |
| 3543 static RawGrowableObjectArray* New(Heap::Space space = Heap::kNew) { | 3559 static RawGrowableObjectArray* New(Heap::Space space = Heap::kNew) { |
| 3544 return New(kDefaultInitialCapacity, space); | 3560 return New(kDefaultInitialCapacity, space); |
| 3545 } | 3561 } |
| 3546 static RawGrowableObjectArray* New(intptr_t capacity, | 3562 static RawGrowableObjectArray* New(intptr_t capacity, |
| 3547 Heap::Space space = Heap::kNew); | 3563 Heap::Space space = Heap::kNew); |
| 3564 static RawGrowableObjectArray* New(const Array& array, |
| 3565 Heap::Space space = Heap::kNew); |
| 3548 | 3566 |
| 3549 private: | 3567 private: |
| 3550 RawArray* data() const { return raw_ptr()->data_; } | |
| 3551 void SetLength(intptr_t value) const { | |
| 3552 // This is only safe because we create a new Smi, which does not cause | |
| 3553 // heap allocation. | |
| 3554 raw_ptr()->length_ = Smi::New(value); | |
| 3555 } | |
| 3556 void SetData(const Array& value) const { | |
| 3557 StorePointer(&raw_ptr()->data_, value.raw()); | |
| 3558 } | |
| 3559 RawArray* DataArray() const { return data()->ptr(); } | 3568 RawArray* DataArray() const { return data()->ptr(); } |
| 3560 RawObject** ObjectAddr(intptr_t index) const { | 3569 RawObject** ObjectAddr(intptr_t index) const { |
| 3561 ASSERT((index >= 0) && (index < Length())); | 3570 ASSERT((index >= 0) && (index < Length())); |
| 3562 return &(DataArray()->data()[index]); | 3571 return &(DataArray()->data()[index]); |
| 3563 } | 3572 } |
| 3564 | 3573 |
| 3565 static const int kDefaultInitialCapacity = 4; | 3574 static const int kDefaultInitialCapacity = 4; |
| 3566 | 3575 |
| 3567 HEAP_OBJECT_IMPLEMENTATION(GrowableObjectArray, Instance); | 3576 HEAP_OBJECT_IMPLEMENTATION(GrowableObjectArray, Instance); |
| 3568 friend class Class; | 3577 friend class Class; |
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| 3974 } | 3983 } |
| 3975 | 3984 |
| 3976 | 3985 |
| 3977 intptr_t Stackmap::SizeInBits() const { | 3986 intptr_t Stackmap::SizeInBits() const { |
| 3978 return (Smi::Value(raw_ptr()->bitmap_size_in_bytes_) * kBitsPerByte); | 3987 return (Smi::Value(raw_ptr()->bitmap_size_in_bytes_) * kBitsPerByte); |
| 3979 } | 3988 } |
| 3980 | 3989 |
| 3981 } // namespace dart | 3990 } // namespace dart |
| 3982 | 3991 |
| 3983 #endif // VM_OBJECT_H_ | 3992 #endif // VM_OBJECT_H_ |
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