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1 <!-- |
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2 Any copyright is dedicated to the Public Domain. |
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3 http://creativecommons.org/publicdomain/zero/1.0/ |
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4 --> |
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5 <!DOCTYPE HTML> |
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6 <html> |
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7 <meta charset="utf-8"> |
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8 <body> |
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9 <script type="text/javascript"> |
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10 var worker; |
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11 |
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12 function start(workerCount, messageCallback) { |
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13 var seenWindowError; |
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14 window.onerror = function(message, filename, lineno) { |
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15 if (!seenWindowError) { |
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16 seenWindowError = true; |
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17 messageCallback({ |
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18 type: "window", |
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19 data: { message: message, filename: filename, lineno: lineno } |
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20 }); |
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21 return true; |
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22 } |
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23 }; |
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24 |
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25 worker = new Worker("errorPropagation_worker.js"); |
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26 |
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27 worker.onmessage = function(event) { |
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28 messageCallback(event.data); |
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29 }; |
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30 |
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31 var seenWorkerError; |
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32 worker.onerror = function(event) { |
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33 if (!seenWorkerError) { |
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34 seenWorkerError = true; |
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35 messageCallback({ |
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36 type: "worker", |
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37 data: { |
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38 message: event.message, |
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39 filename: event.filename, |
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40 lineno: event.lineno |
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41 } |
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42 }); |
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43 event.preventDefault(); |
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44 } |
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45 }; |
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46 |
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47 worker.postMessage(workerCount); |
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48 } |
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49 |
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50 function stop() { |
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51 worker.terminate(); |
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52 } |
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53 </script> |
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54 </body> |
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55 </html> |