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UnsupportedLayouts.java
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UnsupportedLayouts.java
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/*
* Copyright (c) 2020, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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.
*/
package jdk.internal.jextract.impl;
import jdk.incubator.foreign.MemoryLayout;
import jdk.incubator.foreign.ValueLayout;
import java.nio.ByteOrder;
/*
* Layouts for the primitive types not supported by ABI implementations.
*/
public final class UnsupportedLayouts {
private UnsupportedLayouts() {}
private static final String ATTR_LAYOUT_KIND = "jextract.abi.unsupported.layout.kind";
public static final ValueLayout __INT128 = MemoryLayout.valueLayout(128, ByteOrder.nativeOrder()).
withAttribute(ATTR_LAYOUT_KIND, "__int128");
public static final ValueLayout LONG_DOUBLE = MemoryLayout.valueLayout(128, ByteOrder.nativeOrder()).
withAttribute(ATTR_LAYOUT_KIND, "long double");
public static final ValueLayout _FLOAT128 = MemoryLayout.valueLayout(128, ByteOrder.nativeOrder()).
withAttribute(ATTR_LAYOUT_KIND, "_float128");
public static final ValueLayout __FP16 = MemoryLayout.valueLayout(16, ByteOrder.nativeOrder()).
withAttribute(ATTR_LAYOUT_KIND, "__fp16");
public static final ValueLayout CHAR16 = MemoryLayout.valueLayout(16, ByteOrder.nativeOrder()).
withAttribute(ATTR_LAYOUT_KIND, "char16");
public static final ValueLayout WCHAR_T = MemoryLayout.valueLayout(16, ByteOrder.nativeOrder()).
withAttribute(ATTR_LAYOUT_KIND, "wchar_t");
static boolean isUnsupported(MemoryLayout vl) {
return vl.attribute(ATTR_LAYOUT_KIND).isPresent();
}
static String getUnsupportedTypeName(MemoryLayout vl) {
return (String)
vl.attribute(ATTR_LAYOUT_KIND).orElseThrow(IllegalArgumentException::new);
}
}