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The Qbicc builder for the java.base JDK module
/*
* Copyright (c) 2000, 2021, 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.
*/
// -- This file was mechanically generated: Do not edit! -- //
package java.nio;
import java.io.FileDescriptor;
import java.lang.ref.Reference;
import java.util.Objects;
import jdk.internal.access.foreign.MemorySegmentProxy;
import jdk.internal.misc.ScopedMemoryAccess.Scope;
import jdk.internal.misc.VM;
import jdk.internal.ref.Cleaner;
import sun.nio.ch.DirectBuffer;
class DirectByteBufferR
extends DirectByteBuffer
implements DirectBuffer
{
// Primary constructor
//
DirectByteBufferR(int cap) { // package-private
super(cap);
this.isReadOnly = true;
}
// For memory-mapped buffers -- invoked by FileChannelImpl via reflection
//
protected DirectByteBufferR(int cap, long addr,
FileDescriptor fd,
Runnable unmapper,
boolean isSync, MemorySegmentProxy segment)
{
super(cap, addr, fd, unmapper, isSync, segment);
this.isReadOnly = true;
}
// For duplicates and slices
//
DirectByteBufferR(DirectBuffer db, // package-private
int mark, int pos, int lim, int cap, int off,
FileDescriptor fd, boolean isSync,
MemorySegmentProxy segment)
{
super(db, mark, pos, lim, cap, off,
fd, isSync,
segment);
this.isReadOnly = true;
}
@Override
Object base() {
return null;
}
public MappedByteBuffer slice() {
int pos = this.position();
int lim = this.limit();
int rem = (pos <= lim ? lim - pos : 0);
int off = (pos << 0);
assert (off >= 0);
return new DirectByteBufferR(this,
-1,
0,
rem,
rem,
off,
fileDescriptor(),
isSync(),
segment);
}
@Override
public MappedByteBuffer slice(int index, int length) {
Objects.checkFromIndexSize(index, length, limit());
return new DirectByteBufferR(this,
-1,
0,
length,
length,
index << 0,
fileDescriptor(),
isSync(),
segment);
}
public MappedByteBuffer duplicate() {
return new DirectByteBufferR(this,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
0,
fileDescriptor(),
isSync(),
segment);
}
public ByteBuffer asReadOnlyBuffer() {
return duplicate();
}
public ByteBuffer put(byte x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer put(int i, byte x) {
throw new ReadOnlyBufferException();
}
public MappedByteBuffer compact() {
throw new ReadOnlyBufferException();
}
public boolean isDirect() {
return true;
}
public boolean isReadOnly() {
return true;
}
private ByteBuffer putChar(long a, char x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putChar(char x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putChar(int i, char x) {
throw new ReadOnlyBufferException();
}
public CharBuffer asCharBuffer() {
int off = this.position();
int lim = this.limit();
assert (off <= lim);
int rem = (off <= lim ? lim - off : 0);
int size = rem >> 1;
if (!UNALIGNED && ((address + off) % (1 << 1) != 0)) {
return (bigEndian
? (CharBuffer)(new ByteBufferAsCharBufferRB(this,
-1,
0,
size,
size,
address + off, segment))
: (CharBuffer)(new ByteBufferAsCharBufferRL(this,
-1,
0,
size,
size,
address + off, segment)));
} else {
return (nativeByteOrder
? (CharBuffer)(new DirectCharBufferRU(this,
-1,
0,
size,
size,
off, segment))
: (CharBuffer)(new DirectCharBufferRS(this,
-1,
0,
size,
size,
off, segment)));
}
}
private ByteBuffer putShort(long a, short x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putShort(short x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putShort(int i, short x) {
throw new ReadOnlyBufferException();
}
public ShortBuffer asShortBuffer() {
int off = this.position();
int lim = this.limit();
assert (off <= lim);
int rem = (off <= lim ? lim - off : 0);
int size = rem >> 1;
if (!UNALIGNED && ((address + off) % (1 << 1) != 0)) {
return (bigEndian
? (ShortBuffer)(new ByteBufferAsShortBufferRB(this,
-1,
0,
size,
size,
address + off, segment))
: (ShortBuffer)(new ByteBufferAsShortBufferRL(this,
-1,
0,
size,
size,
address + off, segment)));
} else {
return (nativeByteOrder
? (ShortBuffer)(new DirectShortBufferRU(this,
-1,
0,
size,
size,
off, segment))
: (ShortBuffer)(new DirectShortBufferRS(this,
-1,
0,
size,
size,
off, segment)));
}
}
private ByteBuffer putInt(long a, int x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putInt(int x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putInt(int i, int x) {
throw new ReadOnlyBufferException();
}
public IntBuffer asIntBuffer() {
int off = this.position();
int lim = this.limit();
assert (off <= lim);
int rem = (off <= lim ? lim - off : 0);
int size = rem >> 2;
if (!UNALIGNED && ((address + off) % (1 << 2) != 0)) {
return (bigEndian
? (IntBuffer)(new ByteBufferAsIntBufferRB(this,
-1,
0,
size,
size,
address + off, segment))
: (IntBuffer)(new ByteBufferAsIntBufferRL(this,
-1,
0,
size,
size,
address + off, segment)));
} else {
return (nativeByteOrder
? (IntBuffer)(new DirectIntBufferRU(this,
-1,
0,
size,
size,
off, segment))
: (IntBuffer)(new DirectIntBufferRS(this,
-1,
0,
size,
size,
off, segment)));
}
}
private ByteBuffer putLong(long a, long x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putLong(long x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putLong(int i, long x) {
throw new ReadOnlyBufferException();
}
public LongBuffer asLongBuffer() {
int off = this.position();
int lim = this.limit();
assert (off <= lim);
int rem = (off <= lim ? lim - off : 0);
int size = rem >> 3;
if (!UNALIGNED && ((address + off) % (1 << 3) != 0)) {
return (bigEndian
? (LongBuffer)(new ByteBufferAsLongBufferRB(this,
-1,
0,
size,
size,
address + off, segment))
: (LongBuffer)(new ByteBufferAsLongBufferRL(this,
-1,
0,
size,
size,
address + off, segment)));
} else {
return (nativeByteOrder
? (LongBuffer)(new DirectLongBufferRU(this,
-1,
0,
size,
size,
off, segment))
: (LongBuffer)(new DirectLongBufferRS(this,
-1,
0,
size,
size,
off, segment)));
}
}
private ByteBuffer putFloat(long a, float x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putFloat(float x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putFloat(int i, float x) {
throw new ReadOnlyBufferException();
}
public FloatBuffer asFloatBuffer() {
int off = this.position();
int lim = this.limit();
assert (off <= lim);
int rem = (off <= lim ? lim - off : 0);
int size = rem >> 2;
if (!UNALIGNED && ((address + off) % (1 << 2) != 0)) {
return (bigEndian
? (FloatBuffer)(new ByteBufferAsFloatBufferRB(this,
-1,
0,
size,
size,
address + off, segment))
: (FloatBuffer)(new ByteBufferAsFloatBufferRL(this,
-1,
0,
size,
size,
address + off, segment)));
} else {
return (nativeByteOrder
? (FloatBuffer)(new DirectFloatBufferRU(this,
-1,
0,
size,
size,
off, segment))
: (FloatBuffer)(new DirectFloatBufferRS(this,
-1,
0,
size,
size,
off, segment)));
}
}
private ByteBuffer putDouble(long a, double x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putDouble(double x) {
throw new ReadOnlyBufferException();
}
public ByteBuffer putDouble(int i, double x) {
throw new ReadOnlyBufferException();
}
public DoubleBuffer asDoubleBuffer() {
int off = this.position();
int lim = this.limit();
assert (off <= lim);
int rem = (off <= lim ? lim - off : 0);
int size = rem >> 3;
if (!UNALIGNED && ((address + off) % (1 << 3) != 0)) {
return (bigEndian
? (DoubleBuffer)(new ByteBufferAsDoubleBufferRB(this,
-1,
0,
size,
size,
address + off, segment))
: (DoubleBuffer)(new ByteBufferAsDoubleBufferRL(this,
-1,
0,
size,
size,
address + off, segment)));
} else {
return (nativeByteOrder
? (DoubleBuffer)(new DirectDoubleBufferRU(this,
-1,
0,
size,
size,
off, segment))
: (DoubleBuffer)(new DirectDoubleBufferRS(this,
-1,
0,
size,
size,
off, segment)));
}
}
}
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