implemented contiki test scripts as threads instead of state machines for easier test development:
javascript generator that replaces test script specific "macros"
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fros4943
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4af3e29af8
commit
2088451994
266
tools/cooja/java/se/sics/cooja/plugins/ScriptParser.java
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266
tools/cooja/java/se/sics/cooja/plugins/ScriptParser.java
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/*
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* Copyright (c) 2008, 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: ScriptParser.java,v 1.1 2009/01/08 16:27:48 fros4943 Exp $
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*/
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package se.sics.cooja.plugins;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import javax.script.ScriptException;
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import org.apache.log4j.Logger;
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public class ScriptParser {
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private static final long serialVersionUID = 1L;
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private static Logger logger = Logger.getLogger(ScriptParser.class);
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private long timeoutTime = -1;
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private String timeoutCode = null;
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private String code = null;
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public ScriptParser(String code) throws ScriptSyntaxErrorException {
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code = fixNewlines(code);
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code = stripMultiLineComments(code);
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code = stripSingleLineComments(code);
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code = parseTimeout(code);
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code = parseTimeoutWithAction(code);
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code = replaceYields(code);
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code = replaceWaitUntils(code);
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code = replaceYieldThenWaitsUntils(code);
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this.code = code;
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}
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private String fixNewlines(String code) {
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code = code.replaceAll("\r\n", "\n");
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code = "\n" + code + "\n";
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return code;
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}
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private String stripSingleLineComments(String code) {
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/* TODO Handle strings */
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Pattern pattern = Pattern.compile("//.*\n");
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Matcher matcher = pattern.matcher(code);
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code = matcher.replaceAll("\n");
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return code;
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}
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private String stripFirstComment(String code) {
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int first = code.indexOf('"');
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if (first < 0) {
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return code;
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}
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int second = code.indexOf('"', first+1);
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code = code.substring(0, first) + code.substring(second+1, code.length());
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return code;
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}
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private String stripMultiLineComments(String code) {
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/* TODO Handle strings */
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Pattern pattern =
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Pattern.compile("/\\*([^*]|[\n]|(\\*+([^*/]|[\n])))*\\*+/");
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Matcher matcher = pattern.matcher(code);
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while (matcher.find()) {
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String match = matcher.group();
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int newLines = match.split("\n").length;
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String replacement = "";
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for (int i=0; i < newLines; i++) {
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replacement += "\n";
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}
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code = matcher.replaceFirst(replacement);
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matcher.reset(code);
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}
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return code;
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}
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private String parseTimeout(String code) throws ScriptSyntaxErrorException {
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Pattern pattern = Pattern.compile(
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"TIMEOUT\\(" +
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"([0-9]+)" /* timeout */ +
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"\\)"
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);
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Matcher matcher = pattern.matcher(code);
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if (!matcher.find()) {
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return code;
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}
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if (timeoutTime > 0) {
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throw new ScriptSyntaxErrorException("Only one timeout handler allowed");
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}
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timeoutTime = Long.parseLong(matcher.group(1));
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timeoutCode = ";";
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matcher.reset(code);
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code = matcher.replaceFirst(";");
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matcher.reset(code);
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if (matcher.find()) {
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throw new ScriptSyntaxErrorException("Only one timeout handler allowed");
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}
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return code;
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}
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private String parseTimeoutWithAction(String code) throws ScriptSyntaxErrorException {
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Pattern pattern = Pattern.compile(
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"TIMEOUT\\(" +
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"([0-9]+)" /* timeout */ +
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"[\\s]*,[\\s]*" +
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"(.*)" /* code */ +
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"\\)"
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);
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Matcher matcher = pattern.matcher(code);
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if (!matcher.find()) {
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return code;
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}
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if (timeoutTime > 0) {
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throw new ScriptSyntaxErrorException("Only one timeout handler allowed");
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}
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timeoutTime = Long.parseLong(matcher.group(1));
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timeoutCode = matcher.group(2);
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matcher.reset(code);
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code = matcher.replaceFirst(";");
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matcher.reset(code);
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if (matcher.find()) {
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throw new ScriptSyntaxErrorException("Only one timeout handler allowed");
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}
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return code;
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}
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private String replaceYields(String code) throws ScriptSyntaxErrorException {
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Pattern pattern = Pattern.compile(
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"YIELD\\(\\)"
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);
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return pattern.matcher(code).replaceAll("SCRIPT_SWITCH()");
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}
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private String replaceYieldThenWaitsUntils(String code) throws ScriptSyntaxErrorException {
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Pattern pattern = Pattern.compile(
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"YIELD_THEN_WAIT_UNTIL\\(" +
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"(.*)" /* expression */ +
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"\\)"
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);
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Matcher matcher = pattern.matcher(code);
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while (matcher.find()) {
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code = matcher.replaceFirst(
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"do { " +
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" SCRIPT_SWITCH();" +
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"} while (!(" + matcher.group(1) + "))");
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matcher.reset(code);
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}
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return code;
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}
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private String replaceWaitUntils(String code) throws ScriptSyntaxErrorException {
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Pattern pattern = Pattern.compile(
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"WAIT_UNTIL\\(" +
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"(.*)" /* expression */ +
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"\\)"
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);
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Matcher matcher = pattern.matcher(code);
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while (matcher.find()) {
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code = matcher.replaceFirst(
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"while (!(" + matcher.group(1) + ")) { " +
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" SCRIPT_SWITCH()" +
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"}");
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matcher.reset(code);
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}
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return code;
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}
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public String getJSCode() {
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return
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"function SCRIPT_KILL() { " +
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" SEMAPHORE_SIM.release(100); " +
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" throw('test script killed'); " +
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"};\n" +
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"function SCRIPT_TIMEOUT() { " +
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timeoutCode + "; " +
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" log.log('TEST TIMEOUT\\n'); " +
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" log.testFailed(); " +
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" while (!SHUTDOWN) { " +
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" SEMAPHORE_SIM.release(); " +
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" SEMAPHORE_SCRIPT.acquire(); " /* SWITCH BLOCKS HERE! */ +
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" } " +
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" SCRIPT_KILL(); " +
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"};\n" +
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"function SCRIPT_SWITCH() { " +
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" SEMAPHORE_SIM.release(); " +
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" SEMAPHORE_SCRIPT.acquire(); " /* SWITCH BLOCKS HERE! */ +
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" if (SHUTDOWN) { SCRIPT_KILL(); } " +
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" if (TIMEOUT) { SCRIPT_TIMEOUT(); } " +
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" msg = mote.getInterfaces().getLog().getLastLogMessage(); " +
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" node.setMoteMsg(mote, msg); " +
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"};\n" +
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"function run() { " +
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"SEMAPHORE_SIM.acquire(); " +
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"SEMAPHORE_SCRIPT.acquire(); " + /* STARTUP BLOCKS HERE! */
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"if (SHUTDOWN) { SCRIPT_KILL(); } " +
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"if (TIMEOUT) { SCRIPT_TIMEOUT(); } " +
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"msg = mote.getInterfaces().getLog().getLastLogMessage(); " +
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"node.setMoteMsg(mote, msg); " +
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code + "\n" +
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"while (true) { SCRIPT_SWITCH(); } " /* SCRIPT ENDED */+
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"};";
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}
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public long getTimeoutTime() {
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return timeoutTime;
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}
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public class ScriptSyntaxErrorException extends ScriptException {
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public ScriptSyntaxErrorException(String msg) {
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super(msg);
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}
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}
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}
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