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JVM AOT compiler currently generating JavaScript, C++, Haxe, with initial focus on Kotlin and games.
/* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package java.nio;
import com.jtransc.JTranscBits;
import com.jtransc.annotation.JTranscAddMembers;
import com.jtransc.annotation.JTranscMethodBody;
import com.jtransc.annotation.haxe.HaxeAddMembers;
import com.jtransc.annotation.haxe.HaxeMethodBody;
import libcore.io.Memory;
import java.nio.internal.ByteBufferAs;
import java.nio.internal.SizeOf;
@HaxeAddMembers("public var tarray:haxe.io.Float64Array = null;")
@JTranscAddMembers(target = "dart", value = "Float64List tarray;")
@JTranscAddMembers(target = "cpp", value = "float64_t* tarray = nullptr;")
@JTranscAddMembers(target = "cs", value = "public byte[] tarray;")
abstract class ByteBufferAsDoubleBuffer extends DoubleBuffer implements ByteBufferAs {
final ByteBuffer byteBuffer;
final byte[] bytes;
static DoubleBuffer asDoubleBuffer(ByteBuffer byteBuffer) {
ByteBuffer slice = byteBuffer.slice();
slice.order(byteBuffer.order());
return create(slice, byteBuffer.isLittleEndian);
}
static private ByteBufferAsDoubleBuffer create(ByteBuffer byteBuffer, boolean isLittleEndian) {
return isLittleEndian ? new ByteBufferAsDoubleBuffer.LE(byteBuffer) : new ByteBufferAsDoubleBuffer.BE(byteBuffer);
}
private ByteBufferAsDoubleBuffer createWithSameOrder(ByteBuffer byteBuffer) {
return create(byteBuffer, order() == ByteOrder.LITTLE_ENDIAN);
}
private ByteBufferAsDoubleBuffer(ByteBuffer byteBuffer) {
super(byteBuffer.capacity() / SizeOf.DOUBLE);
this.byteBuffer = byteBuffer;
this.byteBuffer.clear();
this.bytes = byteBuffer.array();
init(byteBuffer.array());
}
@HaxeMethodBody("this.tarray = haxe.io.Float64Array.fromBytes(p0.data);")
@JTranscMethodBody(target = "js", value = "this.tarray = new Float64Array(p0.data.buffer);")
@JTranscMethodBody(target = "dart", value = "this.tarray = new Float64List.view(p0.data.buffer);")
@JTranscMethodBody(target = "cpp", value = "this->tarray = (float64_t *)(GET_OBJECT(JA_B, p0)->_data);")
@JTranscMethodBody(target = "cs", value = "unchecked { this.tarray = (byte[])(Array)p0.data; }")
private void init(byte[] data) {
}
@Override
public DoubleBuffer asReadOnlyBuffer() {
ByteBufferAsDoubleBuffer buf = (ByteBufferAsDoubleBuffer) byteBuffer.asReadOnlyBuffer().asDoubleBuffer();
buf.limit = limit;
buf.position = position;
buf.mark = mark;
buf.byteBuffer.order = byteBuffer.order;
return buf;
}
@Override
public DoubleBuffer compact() {
if (byteBuffer.isReadOnly()) throw new ReadOnlyBufferException();
byteBuffer.limit(limit * SizeOf.DOUBLE);
byteBuffer.position(position * SizeOf.DOUBLE);
byteBuffer.compact();
byteBuffer.clear();
position = limit - position;
limit = capacity;
mark = UNSET_MARK;
return this;
}
@Override
public DoubleBuffer duplicate() {
ByteBuffer bb = byteBuffer.duplicate().order(byteBuffer.order());
ByteBufferAsDoubleBuffer buf = createWithSameOrder(bb);
buf.limit = limit;
buf.position = position;
buf.mark = mark;
return buf;
}
@Override
public double get() {
if (position == limit) throw new BufferUnderflowException();
return byteBuffer.getDouble(position++ * SizeOf.DOUBLE);
}
@Override
public boolean isDirect() {
return byteBuffer.isDirect();
}
@Override
public boolean isReadOnly() {
return byteBuffer.isReadOnly();
}
@Override
public ByteOrder order() {
return byteBuffer.order();
}
@Override
double[] protectedArray() {
throw new UnsupportedOperationException();
}
@Override
int protectedArrayOffset() {
throw new UnsupportedOperationException();
}
@Override
boolean protectedHasArray() {
return false;
}
@Override
public DoubleBuffer put(double c) {
if (position == limit) throw new BufferOverflowException();
byteBuffer.putDouble(position++ * SizeOf.DOUBLE, c);
return this;
}
@Override
public DoubleBuffer slice() {
byteBuffer.limit(limit * SizeOf.DOUBLE);
byteBuffer.position(position * SizeOf.DOUBLE);
ByteBuffer bb = byteBuffer.slice().order(byteBuffer.order());
DoubleBuffer result = createWithSameOrder(bb);
byteBuffer.clear();
return result;
}
@Override
public ByteBuffer getByteBuffer() {
return byteBuffer;
}
@Override
@HaxeMethodBody("return this.tarray.get(p0);")
@JTranscMethodBody(target = "js", value = "return this.tarray[p0];")
@JTranscMethodBody(target = "dart", value = "return this.tarray[p0];")
@JTranscMethodBody(target = "cpp", value = "return this->tarray[p0];")
@JTranscMethodBody(target = "cs", value = "unsafe { fixed (byte* ptr = this.tarray) { return ((double *)ptr)[p0]; } }")
public double get(int index) {
return Memory.peekAlignedDoubleLE(bytes, index);
}
@Override
@HaxeMethodBody("this.tarray.set(p0, p1); return this;")
@JTranscMethodBody(target = "js", value = "this.tarray[p0] = p1; return this;")
@JTranscMethodBody(target = "dart", value = "this.tarray[p0] = p1; return this;")
@JTranscMethodBody(target = "cpp", value = "this->tarray[p0] = p1; return this;")
@JTranscMethodBody(target = "cs", value = "unsafe { fixed (byte* ptr = this.tarray) { ((double *)ptr)[p0] = p1; } } return this;")
public DoubleBuffer put(int index, double c) {
Memory.pokeAlignedDoubleLE(bytes, index, c);
return this;
}
public long getLong(int index) {
return Memory.peekAlignedLongLE(bytes, index);
}
public DoubleBuffer putLong(int index, long c) {
Memory.pokeAlignedLongLE(bytes, index, c);
return this;
}
final static public class LE extends ByteBufferAsDoubleBuffer {
LE(ByteBuffer byteBuffer) {
super(byteBuffer);
}
}
final static public class BE extends ByteBufferAsDoubleBuffer {
BE(ByteBuffer byteBuffer) {
super(byteBuffer);
}
@Override
public double get(int index) {
return Double.longBitsToDouble(Long.reverseBytes(getLong(index)));
}
@Override
public DoubleBuffer put(int index, double c) {
return putLong(index, JTranscBits.reverseBytes(Double.doubleToRawLongBits(c)));
}
}
}