9c161bcf21
Patch by Mark Lam from Hewlett-Packard Development Company, LP Review URL: http://codereview.chromium.org/6357005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7012 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
127 lines
3.6 KiB
C++
127 lines
3.6 KiB
C++
// Copyright 2011 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_LIVEOBJECTLIST_INL_H_
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#define V8_LIVEOBJECTLIST_INL_H_
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#include "v8.h"
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#include "liveobjectlist.h"
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namespace v8 {
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namespace internal {
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#ifdef LIVE_OBJECT_LIST
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void LiveObjectList::GCEpilogue() {
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if (!NeedLOLProcessing()) return;
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GCEpiloguePrivate();
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}
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void LiveObjectList::GCPrologue() {
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if (!NeedLOLProcessing()) return;
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#ifdef VERIFY_LOL
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if (FLAG_verify_lol) {
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Verify();
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}
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#endif
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}
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void LiveObjectList::IterateElements(ObjectVisitor* v) {
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if (!NeedLOLProcessing()) return;
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IterateElementsPrivate(v);
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}
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void LiveObjectList::ProcessNonLive(HeapObject *obj) {
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// Only do work if we have at least one list to process.
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if (last()) DoProcessNonLive(obj);
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}
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void LiveObjectList::UpdateReferencesForScavengeGC() {
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if (LiveObjectList::NeedLOLProcessing()) {
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UpdateLiveObjectListVisitor update_visitor;
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LiveObjectList::IterateElements(&update_visitor);
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}
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}
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LiveObjectList* LiveObjectList::FindLolForId(int id,
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LiveObjectList* start_lol) {
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if (id != 0) {
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LiveObjectList* lol = start_lol;
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while (lol != NULL) {
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if (lol->id() == id) {
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return lol;
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}
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lol = lol->prev_;
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}
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}
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return NULL;
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}
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// Iterates the elements in every lol and returns the one that matches the
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// specified key. If no matching element is found, then it returns NULL.
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template <typename T>
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inline LiveObjectList::Element*
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LiveObjectList::FindElementFor(T (*GetValue)(LiveObjectList::Element*), T key) {
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LiveObjectList *lol = last();
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while (lol != NULL) {
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Element* elements = lol->elements_;
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for (int i = 0; i < lol->obj_count_; i++) {
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Element* element = &elements[i];
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if (GetValue(element) == key) {
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return element;
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}
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}
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lol = lol->prev_;
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}
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return NULL;
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}
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inline int LiveObjectList::GetElementId(LiveObjectList::Element* element) {
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return element->id_;
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}
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inline HeapObject*
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LiveObjectList::GetElementObj(LiveObjectList::Element* element) {
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return element->obj_;
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}
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#endif // LIVE_OBJECT_LIST
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} } // namespace v8::internal
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#endif // V8_LIVEOBJECTLIST_INL_H_
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