author Jan de Mooij <jdemooij@mozilla.com>
Sat, 02 Jul 2016 13:45:10 +0200
changeset 303464 d9ecb9d04a90e5ecddbf85b417d789bf2f5652c7
parent 291724 js/src/vm/Runtime-inl.h@ad5ff46b72e7168e38d1c6c4cbe3b370ee0537b5
child 311715 45aba91445a23c7ac14c88e84e575e99afdefe50
permissions -rw-r--r--
Bug 1281529 part 9 - Move JSRuntime caches into a new ContextCaches class. r=jorendorff

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
 * vim: set ts=8 sts=4 et sw=4 tw=99:
 * 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_Caches_inl_h
#define vm_Caches_inl_h

#include "vm/Caches.h"

#include "jscompartment.h"

#include "gc/Allocator.h"
#include "gc/GCTrace.h"
#include "vm/Probes.h"

#include "jsobjinlines.h"

namespace js {

inline bool
NewObjectCache::lookupProto(const Class* clasp, JSObject* proto, gc::AllocKind kind, EntryIndex* pentry)
    return lookup(clasp, proto, kind, pentry);

inline bool
NewObjectCache::lookupGlobal(const Class* clasp, GlobalObject* global, gc::AllocKind kind, EntryIndex* pentry)
    return lookup(clasp, global, kind, pentry);

inline void
NewObjectCache::fillGlobal(EntryIndex entry, const Class* clasp, GlobalObject* global,
                           gc::AllocKind kind, NativeObject* obj)
    //MOZ_ASSERT(global == obj->getGlobal());
    return fill(entry, clasp, global, kind, obj);

inline NativeObject*
NewObjectCache::newObjectFromHit(JSContext* cx, EntryIndex entryIndex, gc::InitialHeap heap)
    MOZ_ASSERT(unsigned(entryIndex) < mozilla::ArrayLength(entries));
    Entry* entry = &entries[entryIndex];

    NativeObject* templateObj = reinterpret_cast<NativeObject*>(&entry->templateObject);

    // Do an end run around JSObject::group() to avoid doing AutoUnprotectCell
    // on the templateObj, which is not a GC thing and can't use runtimeFromAnyThread.
    ObjectGroup* group = templateObj->group_;


    if (group->shouldPreTenure())
        heap = gc::TenuredHeap;

    if (cx->runtime()->gc.upcomingZealousGC())
        return nullptr;

    NativeObject* obj = static_cast<NativeObject*>(Allocate<JSObject, NoGC>(cx, entry->kind, 0,
                                                                            heap, group->clasp()));
    if (!obj)
        return nullptr;

    copyCachedToObject(obj, templateObj, entry->kind);

    if (group->clasp()->shouldDelayMetadataBuilder())
        cx->compartment()->setObjectPendingMetadata(cx, obj);
        obj = static_cast<NativeObject*>(SetNewObjectMetadata(cx, obj));

    probes::CreateObject(cx, obj);
    return obj;

}  /* namespace js */

#endif /* vm_Caches_inl_h */