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view src/luan/LuaException.java @ 40:e3624b7cd603
implement stack trace
git-svn-id: https://luan-java.googlecode.com/svn/trunk@41 21e917c8-12df-6dd8-5cb6-c86387c605b9
author | fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9> |
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date | Fri, 21 Dec 2012 10:45:54 +0000 |
parents | 8a57ebfdfd78 |
children | 786699c78837 |
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package luan; public class LuaException extends Exception { public LuaException(LuaState lua,LuaElement el,String msg) { super(hideNull(msg)+stackTrace(lua,el)); } public LuaException(LuaState lua,LuaElement el,Exception cause) { super(hideNull(cause.getMessage())+stackTrace(lua,el),cause); } private static String hideNull(String s) { return s==null ? "" : s; } private static String stackTrace(LuaState lua,LuaElement el) { StringBuilder buf = new StringBuilder(); int i = lua.stackTrace.size() - 1; do { StackTraceElement stackTraceElement = lua.stackTrace.get(i); buf.append( "\n\t" ).append( el.toString(stackTraceElement.fnName) ); el = stackTraceElement.call; } while( --i >= 0 ); return buf.toString(); } }