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Adds RecordArray that generalizes several tasks performed by debugger.
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konsoletyper
parent
fed5637d4d
commit
0f81841cf5
92
teavm-core/src/main/java/org/teavm/common/RecordArray.java
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92
teavm-core/src/main/java/org/teavm/common/RecordArray.java
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.common;
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import java.util.Arrays;
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/**
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*
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* @author Alexey Andreev
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*/
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public class RecordArray {
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private int recordSize;
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private int arraysPerRecord;
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private int[] data;
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private int[] substart;
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private int[] subdata;
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RecordArray(int recordSize, int arraysPerRecord, int[] data, int[] substart, int[] subdata) {
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this.recordSize = recordSize;
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this.arraysPerRecord = arraysPerRecord;
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this.data = data;
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this.substart = substart;
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this.subdata = subdata;
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}
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public Record get(int index) {
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return new Record(index * recordSize, index * arraysPerRecord);
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}
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public int size() {
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return data.length / recordSize;
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}
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public int getRecordSize() {
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return recordSize;
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}
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public int arraysPerRecord() {
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return arraysPerRecord;
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}
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public class Record {
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int offset;
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int arrayOffset;
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Record(int offset, int arrayOffset) {
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this.offset = offset;
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this.arrayOffset = arrayOffset;
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}
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public int getPosition() {
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return offset / recordSize;
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}
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public int get(int index) {
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if (index >= recordSize) {
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throw new IndexOutOfBoundsException("Index out of bounds: " + index + " of " + recordSize);
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}
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return data[offset + index];
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}
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public int size() {
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return recordSize;
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}
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public int[] getArray(int index) {
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if (index > arraysPerRecord) {
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throw new IndexOutOfBoundsException("Index out of bounds: " + index + " of " + arraysPerRecord);
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}
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int start = substart[arrayOffset + index];
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int end = substart[arrayOffset + index + 1];
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return Arrays.copyOfRange(subdata, start, end);
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}
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public int numArrays() {
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return arraysPerRecord;
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}
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}
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}
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@ -0,0 +1,148 @@
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.common;
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/**
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*
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* @author Alexey Andreev
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*/
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public class RecordArrayBuilder {
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private int recordSize;
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private int arraysPerRecord;
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private IntegerArray data = new IntegerArray(1);
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private IntegerArray substart = new IntegerArray(1);
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private IntegerArray subdata = new IntegerArray(1);
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private IntegerArray subnext = new IntegerArray(1);
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public RecordArrayBuilder(int recordSize, int arraysPerRecord) {
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this.recordSize = recordSize;
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this.arraysPerRecord = arraysPerRecord;
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}
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public Record get(int index) {
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return new Record(index * recordSize, index * arraysPerRecord);
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}
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public Record add() {
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int offset = data.size();
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for (int i = 0; i < recordSize; ++i) {
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data.add(0);
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}
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int arrayOffset = substart.size();
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for (int i = 0; i < arraysPerRecord; ++i) {
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substart.add(-1);
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}
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return new Record(offset, arrayOffset);
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}
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public int size() {
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return data.size() / recordSize;
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}
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public int getRecordSize() {
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return recordSize;
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}
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public int getArraysPerRecord() {
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return arraysPerRecord;
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}
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public RecordArray build() {
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int[] builtSubstart = new int[substart.size() + 1];
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IntegerArray builtSubdata = new IntegerArray(1);
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for (int i = 0; i < substart.size(); ++i) {
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int ptr = substart.get(i);
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while (ptr >= 0) {
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builtSubdata.add(subdata.get(ptr));
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ptr = subnext.get(ptr);
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}
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builtSubstart[i + 1] = builtSubdata.size();
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}
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return new RecordArray(recordSize, arraysPerRecord, data.getAll(), builtSubstart, builtSubdata.getAll());
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}
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public class Record {
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private int offset;
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private int arrayOffset;
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public Record(int offset, int arrayOffset) {
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this.offset = offset;
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this.arrayOffset = arrayOffset;
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}
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public int getPosition() {
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return offset / recordSize;
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}
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public int get(int index) {
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if (index >= recordSize) {
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throw new IndexOutOfBoundsException("Index out of bounds: " + index + " of " + recordSize);
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}
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return data.get(index + offset);
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}
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public int size() {
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return recordSize;
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}
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public int numArrays() {
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return arraysPerRecord;
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}
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public RecordSubArray getArray(int index) {
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if (index > arraysPerRecord) {
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throw new IndexOutOfBoundsException("Index out of bounds: " + index + " of " + arraysPerRecord);
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}
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return new RecordSubArray(arrayOffset + index);
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}
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}
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public class RecordSubArray {
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private int offset;
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public RecordSubArray(int offset) {
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this.offset = offset;
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}
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public int[] getData() {
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IntegerArray array = new IntegerArray(1);
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int ptr = substart.get(offset);
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while (ptr >= 0) {
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array.add(subdata.get(ptr));
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ptr = subnext.get(ptr);
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}
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int[] result = array.getAll();
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int half = result.length / 2;
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for (int i = 0; i < half; ++i) {
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int tmp = result[i];
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result[i] = result[result.length - i - 1];
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result[result.length - i - 1] = tmp;
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}
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return result;
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}
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public void clear() {
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substart.set(offset, -1);
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}
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public void add(int value) {
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int ptr = substart.get(offset);
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substart.set(offset, subdata.size());
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subdata.add(value);
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subnext.add(ptr);
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}
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}
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}
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