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| Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/deps/v8/src/heap/local-factory.cc |
// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/heap/local-factory.h"
#include "src/common/globals.h"
#include "src/execution/local-isolate.h"
#include "src/handles/handles.h"
#include "src/heap/concurrent-allocator-inl.h"
#include "src/heap/local-factory-inl.h"
#include "src/heap/local-heap-inl.h"
#include "src/logging/local-logger.h"
#include "src/logging/log.h"
#include "src/numbers/hash-seed-inl.h"
#include "src/objects/fixed-array.h"
#include "src/objects/heap-object.h"
#include "src/objects/string.h"
#include "src/roots/roots-inl.h"
#include "src/strings/string-hasher.h"
namespace v8 {
namespace internal {
#ifdef V8_ENABLE_SANDBOX
LocalFactory::LocalFactory(Isolate* isolate)
: roots_(isolate), isolate_for_sandbox_(isolate) {}
#else
LocalFactory::LocalFactory(Isolate* isolate) : roots_(isolate) {}
#endif
void LocalFactory::ProcessNewScript(Handle<Script> script,
ScriptEventType script_event_type) {
// TODO(leszeks): Actually add the script to the main Isolate's script list,
// in a thread-safe way.
//
// At the moment, we have to do one final fix-up during off-thread
// finalization, where we add the created script to the script list, but this
// relies on there being exactly one script created during the lifetime of
// this LocalFactory.
//
// For now, prevent accidentally creating more scripts that don't get added to
// the script list with a simple DCHECK.
int script_id = script->id();
#ifdef DEBUG
if (script_id != Script::kTemporaryScriptId) {
DCHECK(!a_script_was_added_to_the_script_list_);
a_script_was_added_to_the_script_list_ = true;
}
#endif
LOG(isolate(), ScriptEvent(script_event_type, script_id));
}
Tagged<HeapObject> LocalFactory::AllocateRaw(int size,
AllocationType allocation,
AllocationAlignment alignment) {
DCHECK(allocation == AllocationType::kOld ||
allocation == AllocationType::kSharedOld ||
allocation == AllocationType::kTrusted);
return HeapObject::FromAddress(isolate()->heap()->AllocateRawOrFail(
size, allocation, AllocationOrigin::kRuntime, alignment));
}
int LocalFactory::NumberToStringCacheHash(Tagged<Smi>) { return 0; }
int LocalFactory::NumberToStringCacheHash(double) { return 0; }
void LocalFactory::NumberToStringCacheSet(Handle<Object>, int, Handle<String>) {
}
Handle<Object> LocalFactory::NumberToStringCacheGet(Tagged<Object>, int) {
return undefined_value();
}
} // namespace internal
} // namespace v8