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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 // | 4 // |
5 // Review notes: | 5 // Review notes: |
6 // | 6 // |
7 // - The use of macros in these inline functions may seem superfluous | 7 // - The use of macros in these inline functions may seem superfluous |
8 // but it is absolutely needed to make sure gcc generates optimal | 8 // but it is absolutely needed to make sure gcc generates optimal |
9 // code. gcc is not happy when attempting to inline too deep. | 9 // code. gcc is not happy when attempting to inline too deep. |
10 // | 10 // |
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3456 void LiteralsArray::set(int index, Object* value, WriteBarrierMode mode) { | 3456 void LiteralsArray::set(int index, Object* value, WriteBarrierMode mode) { |
3457 FixedArray::set(index, value, mode); | 3457 FixedArray::set(index, value, mode); |
3458 } | 3458 } |
3459 | 3459 |
3460 | 3460 |
3461 LiteralsArray* LiteralsArray::cast(Object* object) { | 3461 LiteralsArray* LiteralsArray::cast(Object* object) { |
3462 SLOW_DCHECK(object->IsLiteralsArray()); | 3462 SLOW_DCHECK(object->IsLiteralsArray()); |
3463 return reinterpret_cast<LiteralsArray*>(object); | 3463 return reinterpret_cast<LiteralsArray*>(object); |
3464 } | 3464 } |
3465 | 3465 |
3466 bool LiteralsArray::has_feedback_vector() const { | |
3467 return !get(kVectorIndex)->IsUndefined(this->GetIsolate()); | |
3468 } | |
3469 | 3466 |
3470 TypeFeedbackVector* LiteralsArray::feedback_vector() const { | 3467 TypeFeedbackVector* LiteralsArray::feedback_vector() const { |
3471 if (length() == 0 || !has_feedback_vector()) { | 3468 if (length() == 0) { |
3472 return TypeFeedbackVector::cast( | 3469 return TypeFeedbackVector::cast( |
3473 this->GetIsolate()->heap()->empty_type_feedback_vector()); | 3470 const_cast<FixedArray*>(FixedArray::cast(this))); |
3474 } | 3471 } |
3475 | |
3476 return TypeFeedbackVector::cast(get(kVectorIndex)); | 3472 return TypeFeedbackVector::cast(get(kVectorIndex)); |
3477 } | 3473 } |
3478 | 3474 |
3479 | 3475 |
3480 void LiteralsArray::set_feedback_vector(TypeFeedbackVector* vector) { | 3476 void LiteralsArray::set_feedback_vector(TypeFeedbackVector* vector) { |
3481 if (length() <= kVectorIndex) { | 3477 if (length() <= kVectorIndex) { |
3482 DCHECK(vector->length() == 0); | 3478 DCHECK(vector->length() == 0); |
3483 return; | 3479 return; |
3484 } | 3480 } |
3485 set(kVectorIndex, vector); | 3481 set(kVectorIndex, vector); |
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6620 // context based on the state change. | 6616 // context based on the state change. |
6621 if (!was_optimized && is_optimized) { | 6617 if (!was_optimized && is_optimized) { |
6622 context()->native_context()->AddOptimizedFunction(this); | 6618 context()->native_context()->AddOptimizedFunction(this); |
6623 } | 6619 } |
6624 if (was_optimized && !is_optimized) { | 6620 if (was_optimized && !is_optimized) { |
6625 // TODO(titzer): linear in the number of optimized functions; fix! | 6621 // TODO(titzer): linear in the number of optimized functions; fix! |
6626 context()->native_context()->RemoveOptimizedFunction(this); | 6622 context()->native_context()->RemoveOptimizedFunction(this); |
6627 } | 6623 } |
6628 } | 6624 } |
6629 | 6625 |
6630 bool JSFunction::has_literals_array() const { | |
6631 SharedFunctionInfo* shared = this->shared(); | |
6632 | |
6633 return (literals() != shared->GetIsolate()->heap()->empty_literals_array() || | |
6634 (shared->feedback_metadata()->slot_count() == 0 && | |
6635 shared->num_literals() == 0)); | |
6636 } | |
6637 | 6626 |
6638 Context* JSFunction::context() { | 6627 Context* JSFunction::context() { |
6639 return Context::cast(READ_FIELD(this, kContextOffset)); | 6628 return Context::cast(READ_FIELD(this, kContextOffset)); |
6640 } | 6629 } |
6641 | 6630 |
6642 | 6631 |
6643 JSObject* JSFunction::global_proxy() { | 6632 JSObject* JSFunction::global_proxy() { |
6644 return context()->global_proxy(); | 6633 return context()->global_proxy(); |
6645 } | 6634 } |
6646 | 6635 |
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8430 #undef WRITE_INT64_FIELD | 8419 #undef WRITE_INT64_FIELD |
8431 #undef READ_BYTE_FIELD | 8420 #undef READ_BYTE_FIELD |
8432 #undef WRITE_BYTE_FIELD | 8421 #undef WRITE_BYTE_FIELD |
8433 #undef NOBARRIER_READ_BYTE_FIELD | 8422 #undef NOBARRIER_READ_BYTE_FIELD |
8434 #undef NOBARRIER_WRITE_BYTE_FIELD | 8423 #undef NOBARRIER_WRITE_BYTE_FIELD |
8435 | 8424 |
8436 } // namespace internal | 8425 } // namespace internal |
8437 } // namespace v8 | 8426 } // namespace v8 |
8438 | 8427 |
8439 #endif // V8_OBJECTS_INL_H_ | 8428 #endif // V8_OBJECTS_INL_H_ |
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