jdk/src/hotspot/share/memory/oopFactory.hpp
David Simms cc278dbb8a 8389219: Implement JEP 401: Value Objects (Preview)
8389220: Implement JEP 539: Strict Field Initialization in the JVM (Preview)

Co-authored-by: David Simms <dsimms@openjdk.org>
Co-authored-by: Dan Smith <dlsmith@openjdk.org>
Co-authored-by: Frederic Parain <fparain@openjdk.org>
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Reviewed-by: mcimadamore, liach, darcy, dcubed, aboldtch, coleenp, iklam, jlahoda, dlong, jpai, vklang, heidinga, sspitsyn, cjplummer
2026-07-31 00:45:12 +00:00

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/*
* Copyright (c) 1997, 2026, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*
*/
#ifndef SHARE_MEMORY_OOPFACTORY_HPP
#define SHARE_MEMORY_OOPFACTORY_HPP
#include "memory/referenceType.hpp"
#include "oops/arrayKlass.hpp"
#include "oops/oopsHierarchy.hpp"
#include "runtime/handles.hpp"
#include "utilities/exceptions.hpp"
class InlineKlass;
// oopFactory is a class used for creating new objects.
class oopFactory: AllStatic {
public:
// Basic type leaf array allocation
static typeArrayOop new_boolArray (int length, TRAPS);
static typeArrayOop new_charArray (int length, TRAPS);
static typeArrayOop new_floatArray (int length, TRAPS);
static typeArrayOop new_doubleArray(int length, TRAPS);
static typeArrayOop new_byteArray (int length, TRAPS);
static typeArrayOop new_shortArray (int length, TRAPS);
static typeArrayOop new_intArray (int length, TRAPS);
static typeArrayOop new_longArray (int length, TRAPS);
// create java.lang.Object[]
static refArrayOop new_objectArray(int length, TRAPS);
static typeArrayOop new_charArray(const char* utf8_str, TRAPS);
static typeArrayOop new_typeArray(BasicType type, int length, TRAPS);
static typeArrayOop new_typeArray_nozero(BasicType type, int length, TRAPS);
static typeArrayOop new_symbolArray(int length, TRAPS);
// Regular object arrays
static objArrayOop new_objArray(Klass* klass, int length, TRAPS);
static objArrayOop new_objArray(Klass* klass, int length, ArrayProperties properties, TRAPS);
// Factories to create a reference arrays
static refArrayOop new_refArray(Klass* klass, int length, TRAPS);
static refArrayOop new_refArray(Klass* klass, int length, ArrayProperties properties, TRAPS);
// Factory to create flat arrays.
static flatArrayOop new_flatArray(InlineKlass* klass, int length, ArrayProperties props, TRAPS);
// Helper that returns a Handle
static refArrayHandle new_refArray_handle(Klass* klass, int length, TRAPS);
};
#endif // SHARE_MEMORY_OOPFACTORY_HPP