--- a/jdk/src/jdk.dev/share/classes/com/sun/tools/hat/internal/model/JavaValueArray.java Mon May 25 09:13:41 2015 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,433 +0,0 @@
-/*
- * Copyright (c) 1997, 2008, 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.
- */
-
-
-/*
- * The Original Code is HAT. The Initial Developer of the
- * Original Code is Bill Foote, with contributions from others
- * at JavaSoft/Sun.
- */
-
-package com.sun.tools.hat.internal.model;
-
-import com.sun.tools.hat.internal.parser.ReadBuffer;
-import java.io.IOException;
-
-/**
- * An array of values, that is, an array of ints, boolean, floats or the like.
- *
- * @author Bill Foote
- */
-public class JavaValueArray extends JavaLazyReadObject
- /*imports*/ implements ArrayTypeCodes {
-
- private static String arrayTypeName(byte sig) {
- switch (sig) {
- case 'B':
- return "byte[]";
- case 'Z':
- return "boolean[]";
- case 'C':
- return "char[]";
- case 'S':
- return "short[]";
- case 'I':
- return "int[]";
- case 'F':
- return "float[]";
- case 'J':
- return "long[]";
- case 'D':
- return "double[]";
- default:
- throw new RuntimeException("invalid array element sig: " + sig);
- }
- }
-
- private static int elementSize(byte type) {
- switch (type) {
- case T_BYTE:
- case T_BOOLEAN:
- return 1;
- case T_CHAR:
- case T_SHORT:
- return 2;
- case T_INT:
- case T_FLOAT:
- return 4;
- case T_LONG:
- case T_DOUBLE:
- return 8;
- default:
- throw new RuntimeException("invalid array element type: " + type);
- }
- }
-
- /*
- * Java primitive array record (HPROF_GC_PRIM_ARRAY_DUMP) looks
- * as below:
- *
- * object ID
- * stack trace serial number (int)
- * length of the instance data (int)
- * element type (byte)
- * array data
- */
- protected final int readValueLength() throws IOException {
- JavaClass cl = getClazz();
- ReadBuffer buf = cl.getReadBuffer();
- int idSize = cl.getIdentifierSize();
- long offset = getOffset() + idSize + 4;
- // length of the array
- int len = buf.getInt(offset);
- // typecode of array element type
- byte type = buf.getByte(offset + 4);
- return len * elementSize(type);
- }
-
- protected final byte[] readValue() throws IOException {
- JavaClass cl = getClazz();
- ReadBuffer buf = cl.getReadBuffer();
- int idSize = cl.getIdentifierSize();
- long offset = getOffset() + idSize + 4;
- // length of the array
- int length = buf.getInt(offset);
- // typecode of array element type
- byte type = buf.getByte(offset + 4);
- if (length == 0) {
- return Snapshot.EMPTY_BYTE_ARRAY;
- } else {
- length *= elementSize(type);
- byte[] res = new byte[length];
- buf.get(offset + 5, res);
- return res;
- }
- }
-
- // JavaClass set only after resolve.
- private JavaClass clazz;
-
- // This field contains elementSignature byte and
- // divider to be used to calculate length. Note that
- // length of content byte[] is not same as array length.
- // Actual array length is (byte[].length / divider)
- private int data;
-
- // First 8 bits of data is used for element signature
- private static final int SIGNATURE_MASK = 0x0FF;
-
- // Next 8 bits of data is used for length divider
- private static final int LENGTH_DIVIDER_MASK = 0x0FF00;
-
- // Number of bits to shift to get length divider
- private static final int LENGTH_DIVIDER_SHIFT = 8;
-
- public JavaValueArray(byte elementSignature, long offset) {
- super(offset);
- this.data = (elementSignature & SIGNATURE_MASK);
- }
-
- public JavaClass getClazz() {
- return clazz;
- }
-
- public void visitReferencedObjects(JavaHeapObjectVisitor v) {
- super.visitReferencedObjects(v);
- }
-
- public void resolve(Snapshot snapshot) {
- if (clazz instanceof JavaClass) {
- return;
- }
- byte elementSig = getElementType();
- clazz = snapshot.findClass(arrayTypeName(elementSig));
- if (clazz == null) {
- clazz = snapshot.getArrayClass("" + ((char) elementSig));
- }
- getClazz().addInstance(this);
- super.resolve(snapshot);
- }
-
- public int getLength() {
- int divider = (data & LENGTH_DIVIDER_MASK) >>> LENGTH_DIVIDER_SHIFT;
- if (divider == 0) {
- byte elementSignature = getElementType();
- switch (elementSignature) {
- case 'B':
- case 'Z':
- divider = 1;
- break;
- case 'C':
- case 'S':
- divider = 2;
- break;
- case 'I':
- case 'F':
- divider = 4;
- break;
- case 'J':
- case 'D':
- divider = 8;
- break;
- default:
- throw new RuntimeException("unknown primitive type: " +
- elementSignature);
- }
- data |= (divider << LENGTH_DIVIDER_SHIFT);
- }
- return (getValueLength() / divider);
- }
-
- public Object getElements() {
- final int len = getLength();
- final byte et = getElementType();
- byte[] data = getValue();
- int index = 0;
- switch (et) {
- case 'Z': {
- boolean[] res = new boolean[len];
- for (int i = 0; i < len; i++) {
- res[i] = booleanAt(index, data);
- index++;
- }
- return res;
- }
- case 'B': {
- byte[] res = new byte[len];
- for (int i = 0; i < len; i++) {
- res[i] = byteAt(index, data);
- index++;
- }
- return res;
- }
- case 'C': {
- char[] res = new char[len];
- for (int i = 0; i < len; i++) {
- res[i] = charAt(index, data);
- index += 2;
- }
- return res;
- }
- case 'S': {
- short[] res = new short[len];
- for (int i = 0; i < len; i++) {
- res[i] = shortAt(index, data);
- index += 2;
- }
- return res;
- }
- case 'I': {
- int[] res = new int[len];
- for (int i = 0; i < len; i++) {
- res[i] = intAt(index, data);
- index += 4;
- }
- return res;
- }
- case 'J': {
- long[] res = new long[len];
- for (int i = 0; i < len; i++) {
- res[i] = longAt(index, data);
- index += 8;
- }
- return res;
- }
- case 'F': {
- float[] res = new float[len];
- for (int i = 0; i < len; i++) {
- res[i] = floatAt(index, data);
- index += 4;
- }
- return res;
- }
- case 'D': {
- double[] res = new double[len];
- for (int i = 0; i < len; i++) {
- res[i] = doubleAt(index, data);
- index += 8;
- }
- return res;
- }
- default: {
- throw new RuntimeException("unknown primitive type?");
- }
- }
- }
-
- public byte getElementType() {
- return (byte) (data & SIGNATURE_MASK);
- }
-
- private void checkIndex(int index) {
- if (index < 0 || index >= getLength()) {
- throw new ArrayIndexOutOfBoundsException(index);
- }
- }
-
- private void requireType(char type) {
- if (getElementType() != type) {
- throw new RuntimeException("not of type : " + type);
- }
- }
-
- public boolean getBooleanAt(int index) {
- checkIndex(index);
- requireType('Z');
- return booleanAt(index, getValue());
- }
-
- public byte getByteAt(int index) {
- checkIndex(index);
- requireType('B');
- return byteAt(index, getValue());
- }
-
- public char getCharAt(int index) {
- checkIndex(index);
- requireType('C');
- return charAt(index << 1, getValue());
- }
-
- public short getShortAt(int index) {
- checkIndex(index);
- requireType('S');
- return shortAt(index << 1, getValue());
- }
-
- public int getIntAt(int index) {
- checkIndex(index);
- requireType('I');
- return intAt(index << 2, getValue());
- }
-
- public long getLongAt(int index) {
- checkIndex(index);
- requireType('J');
- return longAt(index << 3, getValue());
- }
-
- public float getFloatAt(int index) {
- checkIndex(index);
- requireType('F');
- return floatAt(index << 2, getValue());
- }
-
- public double getDoubleAt(int index) {
- checkIndex(index);
- requireType('D');
- return doubleAt(index << 3, getValue());
- }
-
- public String valueString() {
- return valueString(true);
- }
-
- public String valueString(boolean bigLimit) {
- // Char arrays deserve special treatment
- StringBuilder result;
- byte[] value = getValue();
- int max = value.length;
- byte elementSignature = getElementType();
- if (elementSignature == 'C') {
- result = new StringBuilder();
- for (int i = 0; i < value.length; ) {
- char val = charAt(i, value);
- result.append(val);
- i += 2;
- }
- } else {
- int limit = 8;
- if (bigLimit) {
- limit = 1000;
- }
- result = new StringBuilder("{");
- int num = 0;
- for (int i = 0; i < value.length; ) {
- if (num > 0) {
- result.append(", ");
- }
- if (num >= limit) {
- result.append("... ");
- break;
- }
- num++;
- switch (elementSignature) {
- case 'Z': {
- boolean val = booleanAt(i, value);
- if (val) {
- result.append("true");
- } else {
- result.append("false");
- }
- i++;
- break;
- }
- case 'B': {
- int val = 0xFF & byteAt(i, value);
- result.append("0x").append(Integer.toString(val, 16));
- i++;
- break;
- }
- case 'S': {
- short val = shortAt(i, value);
- i += 2;
- result.append(val);
- break;
- }
- case 'I': {
- int val = intAt(i, value);
- i += 4;
- result.append(val);
- break;
- }
- case 'J': { // long
- long val = longAt(i, value);
- result.append(val);
- i += 8;
- break;
- }
- case 'F': {
- float val = floatAt(i, value);
- result.append(val);
- i += 4;
- break;
- }
- case 'D': { // double
- double val = doubleAt(i, value);
- result.append(val);
- i += 8;
- break;
- }
- default: {
- throw new RuntimeException("unknown primitive type?");
- }
- }
- }
- result.append('}');
- }
- return result.toString();
- }
-
-}