Add m-esr52 at 52.6.0

1 files changed, 82 insertions, 0 deletions

diff --git a/js/src/vm/Caches-inl.h b/js/src/vm/Caches-inl.h
new file mode 100644
index 000000000..4eb8ecaa6
--- /dev/null
+++ b/js/src/vm/Caches-inl.h
@@ -0,0 +1,82 @@
+/* -*- 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)
+{
+    MOZ_ASSERT(!proto->is<GlobalObject>());
+    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_;
+
+    MOZ_ASSERT(!group->hasUnanalyzedPreliminaryObjects());
+
+    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);
+    else
+        obj = static_cast<NativeObject*>(SetNewObjectMetadata(cx, obj));
+
+    probes::CreateObject(cx, obj);
+    gc::TraceCreateObject(obj);
+    return obj;
+}
+
+}  /* namespace js */
+
+#endif /* vm_Caches_inl_h */