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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /js/src/vm/ArrayObject-inl.h | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/vm/ArrayObject-inl.h')
-rw-r--r-- | js/src/vm/ArrayObject-inl.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/vm/ArrayObject-inl.h b/js/src/vm/ArrayObject-inl.h new file mode 100644 index 0000000000..c4b24a34b5 --- /dev/null +++ b/js/src/vm/ArrayObject-inl.h @@ -0,0 +1,68 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: set ts=8 sts=2 et sw=2 tw=80: + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef vm_ArrayObject_inl_h +#define vm_ArrayObject_inl_h + +#include "vm/ArrayObject.h" + +#include "gc/Allocator.h" +#include "gc/GCProbes.h" + +#include "vm/JSObject-inl.h" +#include "vm/NativeObject-inl.h" + +namespace js { + +/* static */ MOZ_ALWAYS_INLINE ArrayObject* ArrayObject::create( + JSContext* cx, gc::AllocKind kind, gc::InitialHeap heap, + Handle<SharedShape*> shape, uint32_t length, uint32_t slotSpan, + AutoSetNewObjectMetadata& metadata, gc::AllocSite* site) { + debugCheckNewObject(shape, kind, heap); + + const JSClass* clasp = &ArrayObject::class_; + MOZ_ASSERT(shape); + MOZ_ASSERT(shape->getObjectClass() == clasp); + MOZ_ASSERT(clasp->isNativeObject()); + MOZ_ASSERT(!clasp->hasFinalize()); + + // Note: the slot span is passed as argument to allow more constant folding + // below for the common case of slotSpan == 0. + MOZ_ASSERT(shape->slotSpan() == slotSpan); + + // Arrays can use their fixed slots to store elements, so can't have shapes + // which allow named properties to be stored in the fixed slots. + MOZ_ASSERT(shape->numFixedSlots() == 0); + + size_t nDynamicSlots = calculateDynamicSlots(0, slotSpan, clasp); + ArrayObject* aobj = + cx->newCell<ArrayObject>(kind, nDynamicSlots, heap, clasp, site); + if (!aobj) { + return nullptr; + } + + aobj->initShape(shape); + // NOTE: Dynamic slots are created internally by Allocate<JSObject>. + if (!nDynamicSlots) { + aobj->initEmptyDynamicSlots(); + } + + MOZ_ASSERT(clasp->shouldDelayMetadataBuilder()); + cx->realm()->setObjectPendingMetadata(cx, aobj); + + aobj->initFixedElements(kind, length); + + if (slotSpan > 0) { + aobj->initDynamicSlots(slotSpan); + } + + gc::gcprobes::CreateObject(aobj); + return aobj; +} + +} // namespace js + +#endif // vm_ArrayObject_inl_h |