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PojavLauncherTeam
GitHub Repository: PojavLauncherTeam/mobile
 Path: blob/master/src/hotspot/share/prims/foreign_globals.inline.hpp
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/*

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 * Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

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 *

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 * This code is free software; you can redistribute it and/or modify it

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 * under the terms of the GNU General Public License version 2 only, as

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 * published by the Free Software Foundation.

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 *

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 * This code is distributed in the hope that it will be useful, but WITHOUT

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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

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 * version 2 for more details (a copy is included in the LICENSE file that

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 * accompanied this code).

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 *

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 * You should have received a copy of the GNU General Public License version

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 * 2 along with this work; if not, write to the Free Software Foundation,

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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

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 *

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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * or visit www.oracle.com if you need additional information or have any

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 * questions.

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 */

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#ifndef SHARE_PRIMS_FOREIGN_GLOBALS_INLINE_HPP

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#define SHARE_PRIMS_FOREIGN_GLOBALS_INLINE_HPP

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#include "prims/foreign_globals.hpp"

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#include "oops/oopsHierarchy.hpp"

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#include "oops/objArrayOop.hpp"

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template<typename T>

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static bool check_type(oop theOop) {

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  static_assert(sizeof(T) == 0, "No check_type specialization found for this type");

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  return false;

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}

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template<>

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inline bool check_type<objArrayOop>(oop theOop) { return theOop->is_objArray(); }

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template<>

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inline bool check_type<typeArrayOop>(oop theOop) { return theOop->is_typeArray(); }

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template<typename R>

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R ForeignGlobals::cast(oop theOop) {

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  assert(check_type<R>(theOop), "Invalid cast");

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  return (R) theOop;

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}

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template<typename T, typename Func>

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void ForeignGlobals::loadArray(objArrayOop jarray, int type_index, GrowableArray<T>& array, Func converter) const {

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  objArrayOop subarray = cast<objArrayOop>(jarray->obj_at(type_index));

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  int subarray_length = subarray->length();

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  for (int i = 0; i < subarray_length; i++) {

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    oop storage = subarray->obj_at(i);

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    jint index = storage->int_field(VMS.index_offset);

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    array.push(converter(index));

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  }

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}

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#endif // SHARE_PRIMS_FOREIGN_GLOBALS_INLINE_HPP

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