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src/java.base/share/classes/java/nio/Heap-X-Buffer.java.template
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rev 57242 : imported patch 8234049.patch
@@ -26,10 +26,11 @@
#warn This file is preprocessed before being compiled
package java.nio;
import java.util.Objects;
+import jdk.internal.access.foreign.MemorySegmentProxy;
/**
#if[rw]
* A read/write Heap$Type$Buffer.
#else[rw]
@@ -56,51 +57,51 @@
protected final $type$[] hb;
protected final int offset;
#end[rw]
*/
- Heap$Type$Buffer$RW$(int cap, int lim) { // package-private
+ Heap$Type$Buffer$RW$(int cap, int lim, MemorySegmentProxy segment) { // package-private
#if[rw]
- super(-1, 0, lim, cap, new $type$[cap], 0);
+ super(-1, 0, lim, cap, new $type$[cap], 0, segment);
/*
hb = new $type$[cap];
offset = 0;
*/
this.address = ARRAY_BASE_OFFSET;
#else[rw]
- super(cap, lim);
+ super(cap, lim, segment);
this.isReadOnly = true;
#end[rw]
}
- Heap$Type$Buffer$RW$($type$[] buf, int off, int len) { // package-private
+ Heap$Type$Buffer$RW$($type$[] buf, int off, int len, MemorySegmentProxy segment) { // package-private
#if[rw]
- super(-1, off, off + len, buf.length, buf, 0);
+ super(-1, off, off + len, buf.length, buf, 0, segment);
/*
hb = buf;
offset = 0;
*/
this.address = ARRAY_BASE_OFFSET;
#else[rw]
- super(buf, off, len);
+ super(buf, off, len, segment);
this.isReadOnly = true;
#end[rw]
}
protected Heap$Type$Buffer$RW$($type$[] buf,
int mark, int pos, int lim, int cap,
- int off)
+ int off, MemorySegmentProxy segment)
{
#if[rw]
- super(mark, pos, lim, cap, buf, off);
+ super(mark, pos, lim, cap, buf, off, segment);
/*
hb = buf;
offset = off;
*/
this.address = ARRAY_BASE_OFFSET + off * ARRAY_INDEX_SCALE;
#else[rw]
- super(buf, mark, pos, lim, cap, off);
+ super(buf, mark, pos, lim, cap, off, segment);
this.isReadOnly = true;
#end[rw]
}
public $Type$Buffer slice() {
@@ -108,41 +109,41 @@
return new Heap$Type$Buffer$RW$(hb,
-1,
0,
rem,
rem,
- this.position() + offset);
+ this.position() + offset, segment);
}
@Override
public $Type$Buffer slice(int index, int length) {
Objects.checkFromIndexSize(index, length, limit());
return new Heap$Type$Buffer$RW$(hb,
-1,
0,
length,
length,
- index + offset);
+ index + offset, segment);
}
public $Type$Buffer duplicate() {
return new Heap$Type$Buffer$RW$(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
- offset);
+ offset, segment);
}
public $Type$Buffer asReadOnlyBuffer() {
#if[rw]
return new Heap$Type$BufferR(hb,
this.markValue(),
this.position(),
this.limit(),
this.capacity(),
- offset);
+ offset, segment);
#else[rw]
return duplicate();
#end[rw]
}
@@ -157,34 +158,38 @@
return address + i;
}
#end[byte]
public $type$ get() {
+ checkSegment();
return hb[ix(nextGetIndex())];
}
public $type$ get(int i) {
+ checkSegment();
return hb[ix(checkIndex(i))];
}
#if[streamableType]
$type$ getUnchecked(int i) {
return hb[ix(i)];
}
#end[streamableType]
public $Type$Buffer get($type$[] dst, int offset, int length) {
+ checkSegment();
Objects.checkFromIndexSize(offset, length, dst.length);
int pos = position();
if (length > limit() - pos)
throw new BufferUnderflowException();
System.arraycopy(hb, ix(pos), dst, offset, length);
position(pos + length);
return this;
}
public $Type$Buffer get(int index, $type$[] dst, int offset, int length) {
+ checkSegment();
Objects.checkFromIndexSize(index, length, limit());
Objects.checkFromIndexSize(offset, length, dst.length);
System.arraycopy(hb, ix(index), dst, offset, length);
return this;
}
@@ -199,28 +204,31 @@
return {#if[rw]?false:true};
}
public $Type$Buffer put($type$ x) {
#if[rw]
+ checkSegment();
hb[ix(nextPutIndex())] = x;
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer put(int i, $type$ x) {
#if[rw]
+ checkSegment();
hb[ix(checkIndex(i))] = x;
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer put($type$[] src, int offset, int length) {
#if[rw]
+ checkSegment();
Objects.checkFromIndexSize(offset, length, src.length);
int pos = position();
if (length > limit() - pos)
throw new BufferOverflowException();
System.arraycopy(src, offset, hb, ix(pos), length);
@@ -231,10 +239,11 @@
#end[rw]
}
public $Type$Buffer put($Type$Buffer src) {
#if[rw]
+ checkSegment();
if (src instanceof Heap$Type$Buffer) {
if (src == this)
throw createSameBufferException();
Heap$Type$Buffer sb = (Heap$Type$Buffer)src;
int pos = position();
@@ -262,10 +271,11 @@
#end[rw]
}
public $Type$Buffer put(int index, $type$[] src, int offset, int length) {
#if[rw]
+ checkSegment();
Objects.checkFromIndexSize(index, length, limit());
Objects.checkFromIndexSize(offset, length, src.length);
System.arraycopy(src, offset, hb, ix(index), length);
return this;
#else[rw]
@@ -274,10 +284,11 @@
}
#if[char]
public $Type$Buffer put(String src, int start, int end) {
+ checkSegment();
int length = end - start;
Objects.checkFromIndexSize(start, length, src.length());
if (isReadOnly())
throw new ReadOnlyBufferException();
int pos = position();
@@ -325,10 +336,11 @@
// char
#if[rw]
public char getChar() {
+ checkSegment();
return UNSAFE.getCharUnaligned(hb, byteOffset(nextGetIndex(2)), bigEndian);
}
public char getChar(int i) {
return UNSAFE.getCharUnaligned(hb, byteOffset(checkIndex(i, 2)), bigEndian);
@@ -336,19 +348,21 @@
#end[rw]
public $Type$Buffer putChar(char x) {
#if[rw]
+ checkSegment();
UNSAFE.putCharUnaligned(hb, byteOffset(nextPutIndex(2)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer putChar(int i, char x) {
#if[rw]
+ checkSegment();
UNSAFE.putCharUnaligned(hb, byteOffset(checkIndex(i, 2)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
@@ -362,45 +376,49 @@
? (CharBuffer)(new ByteBufferAsCharBuffer$RW$B(this,
-1,
0,
size,
size,
- addr))
+ addr, segment))
: (CharBuffer)(new ByteBufferAsCharBuffer$RW$L(this,
-1,
0,
size,
size,
- addr)));
+ addr, segment)));
}
// short
#if[rw]
public short getShort() {
+ checkSegment();
return UNSAFE.getShortUnaligned(hb, byteOffset(nextGetIndex(2)), bigEndian);
}
public short getShort(int i) {
+ checkSegment();
return UNSAFE.getShortUnaligned(hb, byteOffset(checkIndex(i, 2)), bigEndian);
}
#end[rw]
public $Type$Buffer putShort(short x) {
#if[rw]
+ checkSegment();
UNSAFE.putShortUnaligned(hb, byteOffset(nextPutIndex(2)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer putShort(int i, short x) {
#if[rw]
+ checkSegment();
UNSAFE.putShortUnaligned(hb, byteOffset(checkIndex(i, 2)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
@@ -414,45 +432,49 @@
? (ShortBuffer)(new ByteBufferAsShortBuffer$RW$B(this,
-1,
0,
size,
size,
- addr))
+ addr, segment))
: (ShortBuffer)(new ByteBufferAsShortBuffer$RW$L(this,
-1,
0,
size,
size,
- addr)));
+ addr, segment)));
}
// int
#if[rw]
public int getInt() {
+ checkSegment();
return UNSAFE.getIntUnaligned(hb, byteOffset(nextGetIndex(4)), bigEndian);
}
public int getInt(int i) {
+ checkSegment();
return UNSAFE.getIntUnaligned(hb, byteOffset(checkIndex(i, 4)), bigEndian);
}
#end[rw]
public $Type$Buffer putInt(int x) {
#if[rw]
+ checkSegment();
UNSAFE.putIntUnaligned(hb, byteOffset(nextPutIndex(4)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer putInt(int i, int x) {
#if[rw]
+ checkSegment();
UNSAFE.putIntUnaligned(hb, byteOffset(checkIndex(i, 4)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
@@ -466,45 +488,49 @@
? (IntBuffer)(new ByteBufferAsIntBuffer$RW$B(this,
-1,
0,
size,
size,
- addr))
+ addr, segment))
: (IntBuffer)(new ByteBufferAsIntBuffer$RW$L(this,
-1,
0,
size,
size,
- addr)));
+ addr, segment)));
}
// long
#if[rw]
public long getLong() {
+ checkSegment();
return UNSAFE.getLongUnaligned(hb, byteOffset(nextGetIndex(8)), bigEndian);
}
public long getLong(int i) {
+ checkSegment();
return UNSAFE.getLongUnaligned(hb, byteOffset(checkIndex(i, 8)), bigEndian);
}
#end[rw]
public $Type$Buffer putLong(long x) {
#if[rw]
+ checkSegment();
UNSAFE.putLongUnaligned(hb, byteOffset(nextPutIndex(8)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer putLong(int i, long x) {
#if[rw]
+ checkSegment();
UNSAFE.putLongUnaligned(hb, byteOffset(checkIndex(i, 8)), x, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
@@ -518,48 +544,52 @@
? (LongBuffer)(new ByteBufferAsLongBuffer$RW$B(this,
-1,
0,
size,
size,
- addr))
+ addr, segment))
: (LongBuffer)(new ByteBufferAsLongBuffer$RW$L(this,
-1,
0,
size,
size,
- addr)));
+ addr, segment)));
}
// float
#if[rw]
public float getFloat() {
+ checkSegment();
int x = UNSAFE.getIntUnaligned(hb, byteOffset(nextGetIndex(4)), bigEndian);
return Float.intBitsToFloat(x);
}
public float getFloat(int i) {
+ checkSegment();
int x = UNSAFE.getIntUnaligned(hb, byteOffset(checkIndex(i, 4)), bigEndian);
return Float.intBitsToFloat(x);
}
#end[rw]
public $Type$Buffer putFloat(float x) {
#if[rw]
+ checkSegment();
int y = Float.floatToRawIntBits(x);
UNSAFE.putIntUnaligned(hb, byteOffset(nextPutIndex(4)), y, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer putFloat(int i, float x) {
#if[rw]
+ checkSegment();
int y = Float.floatToRawIntBits(x);
UNSAFE.putIntUnaligned(hb, byteOffset(checkIndex(i, 4)), y, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
@@ -574,48 +604,52 @@
? (FloatBuffer)(new ByteBufferAsFloatBuffer$RW$B(this,
-1,
0,
size,
size,
- addr))
+ addr, segment))
: (FloatBuffer)(new ByteBufferAsFloatBuffer$RW$L(this,
-1,
0,
size,
size,
- addr)));
+ addr, segment)));
}
// double
#if[rw]
public double getDouble() {
+ checkSegment();
long x = UNSAFE.getLongUnaligned(hb, byteOffset(nextGetIndex(8)), bigEndian);
return Double.longBitsToDouble(x);
}
public double getDouble(int i) {
+ checkSegment();
long x = UNSAFE.getLongUnaligned(hb, byteOffset(checkIndex(i, 8)), bigEndian);
return Double.longBitsToDouble(x);
}
#end[rw]
public $Type$Buffer putDouble(double x) {
#if[rw]
+ checkSegment();
long y = Double.doubleToRawLongBits(x);
UNSAFE.putLongUnaligned(hb, byteOffset(nextPutIndex(8)), y, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
#end[rw]
}
public $Type$Buffer putDouble(int i, double x) {
#if[rw]
+ checkSegment();
long y = Double.doubleToRawLongBits(x);
UNSAFE.putLongUnaligned(hb, byteOffset(checkIndex(i, 8)), y, bigEndian);
return this;
#else[rw]
throw new ReadOnlyBufferException();
@@ -630,17 +664,17 @@
? (DoubleBuffer)(new ByteBufferAsDoubleBuffer$RW$B(this,
-1,
0,
size,
size,
- addr))
+ addr, segment))
: (DoubleBuffer)(new ByteBufferAsDoubleBuffer$RW$L(this,
-1,
0,
size,
size,
- addr)));
+ addr, segment)));
}
#end[byte]
@@ -664,11 +698,11 @@
return new HeapCharBuffer$RW$(hb,
-1,
pos + start,
pos + end,
capacity(),
- offset);
+ offset, segment);
}
#end[char]
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