}
-MaybeObject* Heap::AllocateHeapNumber(double value) {
- // Use general version, if we're forced to always allocate.
- if (always_allocate()) return AllocateHeapNumber(value, TENURED);
-
- // This version of AllocateHeapNumber is optimized for
- // allocation in new space.
- STATIC_ASSERT(HeapNumber::kSize <= Page::kMaxNonCodeHeapObjectSize);
- Object* result;
- { MaybeObject* maybe_result = new_space_.AllocateRaw(HeapNumber::kSize);
- if (!maybe_result->ToObject(&result)) return maybe_result;
- }
- HeapObject::cast(result)->set_map_no_write_barrier(heap_number_map());
- HeapNumber::cast(result)->set_value(value);
- return result;
-}
-
-
MaybeObject* Heap::AllocateCell(Object* value) {
Object* result;
{ MaybeObject* maybe_result = AllocateRawCell();
}
-MaybeObject* Heap::AllocateFixedArray(int length) {
- ASSERT(length >= 0);
- if (length == 0) return empty_fixed_array();
- Object* result;
- { MaybeObject* maybe_result = AllocateRawFixedArray(length);
- if (!maybe_result->ToObject(&result)) return maybe_result;
- }
- // Initialize header.
- FixedArray* array = reinterpret_cast<FixedArray*>(result);
- array->set_map_no_write_barrier(fixed_array_map());
- array->set_length(length);
- // Initialize body.
- ASSERT(!InNewSpace(undefined_value()));
- MemsetPointer(array->data_start(), undefined_value(), length);
- return result;
-}
-
-
MaybeObject* Heap::AllocateRawFixedArray(int length, PretenureFlag pretenure) {
if (length < 0 || length > FixedArray::kMaxLength) {
return Failure::OutOfMemoryException(0xe);
// Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
// failed.
// Please note this does not perform a garbage collection.
- MUST_USE_RESULT MaybeObject* AllocateFixedArray(int length,
- PretenureFlag pretenure);
- // Allocates a fixed array initialized with undefined values
- MUST_USE_RESULT MaybeObject* AllocateFixedArray(int length);
+ MUST_USE_RESULT MaybeObject* AllocateFixedArray(
+ int length,
+ PretenureFlag pretenure = NOT_TENURED);
// Allocates an uninitialized fixed array. It must be filled by the caller.
//
// Allocated a HeapNumber from value.
MUST_USE_RESULT MaybeObject* AllocateHeapNumber(
- double value,
- PretenureFlag pretenure);
- // pretenure = NOT_TENURED
- MUST_USE_RESULT MaybeObject* AllocateHeapNumber(double value);
+ double value, PretenureFlag pretenure = NOT_TENURED);
// Converts an int into either a Smi or a HeapNumber object.
// Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation