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222 lines
8.5 KiB
Java
222 lines
8.5 KiB
Java
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: Level5.java,v 1.2 2007/01/11 14:28:26 fros4943 Exp $
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*/
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import java.io.*;
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import java.util.Vector;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class Level5 {
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static {
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System.load(new File("level5.library").getAbsolutePath());
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}
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final static private String bssSectionAddrRegExp =
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"^.bss[ \t]*0x([0-9A-Fa-f]*)[ \t]*0x[0-9A-Fa-f]*[ \t]*$";
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final static private String bssSectionSizeRegExp =
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"^.bss[ \t]*0x[0-9A-Fa-f]*[ \t]*0x([0-9A-Fa-f]*)[ \t]*$";
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final static private String dataSectionAddrRegExp =
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"^.data[ \t]*0x([0-9A-Fa-f]*)[ \t]*0x[0-9A-Fa-f]*[ \t]*$";
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final static private String dataSectionSizeRegExp =
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"^.data[ \t]*0x[0-9A-Fa-f]*[ \t]*0x([0-9A-Fa-f]*)[ \t]*$";
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final static private String varAddressRegExpPrefix =
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"^[ \t]*0x([0-9A-Fa-f]*)[ \t]*";
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final static private String varAddressRegExpSuffix =
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"[ \t]*$";
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final static private String varNameRegExp =
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"^[ \t]*(0x[0-9A-Fa-f]*)[ \t]*([^ ]*)[ \t]*$";
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final static private String varSizeRegExpPrefix =
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"^";
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final static private String varSizeRegExpSuffix =
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"[ \t]*(0x[0-9A-Fa-f]*)[ \t]*[^ ]*[ \t]*$";
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private native void doCount();
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private native int getRefAddress();
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private native byte[] getMemory(int start, int length);
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private native void setMemory(int start, int length, byte[] mem);
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private int javaDataCounter = 1;
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private int javaBssCounter = 0;
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public Level5() {
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File mapFile = new File("level5.map");
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// Check that map file exists
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if (!mapFile.exists()) {
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System.err.println("No map file could be loaded");
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System.exit(1);
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}
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Vector<String> mapContents = loadMapFile(mapFile);
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int relDataSectionAddr = loadRelDataSectionAddr(mapContents);
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int dataSectionSize = (int) loadDataSectionSize(mapContents);
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int relBssSectionAddr = loadRelBssSectionAddr(mapContents);
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int bssSectionSize = (int) loadBssSectionSize(mapContents);
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int referenceAddress = getRefAddress();
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int offsetRelToAbs = referenceAddress - getRelVarAddr(mapContents, "ref_var");
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System.err.println("\n\n--- RUNNING DO_COUNT 5 TIMES ---");
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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System.err.println("\n\n--- CHECKPOINT #1: JAVA COUNTERS SHOULD EQUAL C ---");
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System.err.println(">> JavaDATA_counter=\t" + javaDataCounter + "\tJavaBSS_counter=\t" + javaBssCounter);
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System.err.println("\n\n--- FETCHING AND SAVING MEMORY ---");
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byte[] savedDataSection = getMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize);
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byte[] savedBssSection = getMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize);
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System.err.println("data section size:\t" + savedDataSection.length + " = " + "0x" + Integer.toHexString(savedDataSection.length));
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System.err.println("bss section size:\t" + savedBssSection.length + " = " + "0x" + Integer.toHexString(savedBssSection.length));
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System.err.println("\n\n--- RUNNING DO_COUNT 3 TIMES ---");
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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System.err.println("\n\n--- CHECKPOINT #2: JAVA COUNTERS SHOULD EQUAL C ---");
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System.err.println(">> JavaDATA_counter=\t" + javaDataCounter + "\tJavaBSS_counter=\t" + javaBssCounter);
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System.err.println("\n\n--- RESTORING MEMORY: DATA ---");
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setMemory(relDataSectionAddr + offsetRelToAbs, dataSectionSize, savedDataSection); javaDataCounter -= 3;
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System.err.println("\n\n--- RUNNING DO_COUNT 3 TIMES ---");
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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System.err.println("\n\n--- CHECKPOINT #3: JAVA COUNTERS SHOULD EQUAL C ---");
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System.err.println(">> JavaDATA_counter=\t" + javaDataCounter + "\tJavaBSS_counter=\t" + javaBssCounter);
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System.err.println("\n\n--- RESTORING MEMORY: BSS ---");
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setMemory(relBssSectionAddr + offsetRelToAbs, bssSectionSize, savedBssSection); javaBssCounter -= 6;
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System.err.println("\n\n--- RUNNING DO_COUNT 3 TIMES ---");
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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doCount(); javaDataCounter++; javaBssCounter++;
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System.err.println("\n\n--- CHECKPOINT #4: JAVA COUNTERS SHOULD EQUAL C ---");
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System.err.println(">> JavaDATA_counter=\t" + javaDataCounter + "\tJavaBSS_counter=\t" + javaBssCounter);
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System.err.println("Level 5 OK!");
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}
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private static int getRelVarAddr(Vector<String> mapContents, String varName) {
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String regExp = varAddressRegExpPrefix + varName + varAddressRegExpSuffix;
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String retString = getFirstMatchGroup(mapContents, regExp, 1);
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if (retString != null)
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return Integer.parseInt(retString.trim(), 16);
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else return 0;
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}
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private static Vector<String> loadMapFile(File mapFile) {
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Vector<String> mapContents = new Vector<String>();
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try {
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BufferedReader in =
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new BufferedReader(
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new InputStreamReader(
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new FileInputStream(mapFile)));
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while (in.ready())
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{
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mapContents.add(in.readLine());
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}
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} catch (FileNotFoundException e) {
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System.err.println("File not found: " + e);
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return null;
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} catch (IOException e) {
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System.err.println("IO error: " + e);
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return null;
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}
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return mapContents;
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}
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private static int loadRelDataSectionAddr(Vector<String> mapFile) {
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String retString = getFirstMatchGroup(mapFile, dataSectionAddrRegExp, 1);
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if (retString != null)
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return Integer.parseInt(retString.trim(), 16);
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else return 0;
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}
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private static int loadDataSectionSize(Vector<String> mapFile) {
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String retString = getFirstMatchGroup(mapFile, dataSectionSizeRegExp, 1);
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if (retString != null)
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return Integer.parseInt(retString.trim(), 16);
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else return 0;
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}
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private static int loadRelBssSectionAddr(Vector<String> mapFile) {
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String retString = getFirstMatchGroup(mapFile, bssSectionAddrRegExp, 1);
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if (retString != null)
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return Integer.parseInt(retString.trim(), 16);
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else return 0;
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}
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private static int loadBssSectionSize(Vector<String> mapFile) {
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String retString = getFirstMatchGroup(mapFile, bssSectionSizeRegExp, 1);
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if (retString != null)
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return Integer.parseInt(retString.trim(), 16);
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else return 0;
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}
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private static String getFirstMatchGroup(Vector<String> lines, String regexp, int groupNr) {
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Pattern pattern = Pattern.compile(regexp);
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for (int i=0; i < lines.size(); i++) {
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Matcher matcher = pattern.matcher(lines.elementAt(i));
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if (matcher.find()) {
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return matcher.group(groupNr);
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}
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}
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return null;
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}
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public static void main(String[] args) {
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new Level5();
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}
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}
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