Mercurial > hg > graal-compiler
annotate mx/FilterTypes.java @ 21745:a71b4567d08e
separate 1000's in snippet counter reports with commas
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 05 Jun 2015 17:05:41 +0200 |
parents | b6aadfd3dfbe |
children | 543f150e7fa0 |
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1 /* |
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2 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 public class FilterTypes { |
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25 |
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26 /** |
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27 * Prints to {@link System#out} the values in {@code args[1 .. N]} that denote classes that are |
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28 * {@link Class#isAssignableFrom(Class) assignable} to the type denoted in {@code args[0]}. The |
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29 * values are separated by {@code "|"}. |
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30 */ |
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31 public static void main(String... args) throws Exception { |
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32 Class<?> jvmciServiceInterface = Class.forName(args[0]); |
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33 boolean needSep = false; |
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34 StringBuilder buf = new StringBuilder(); |
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35 for (int i = 1; i < args.length; ++i) { |
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36 String serviceName = args[i]; |
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37 Class<?> service = lookupService(serviceName); |
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38 if (service != null && jvmciServiceInterface.isAssignableFrom(service)) { |
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39 if (buf.length() != 0) { |
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40 buf.append('|'); |
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41 } |
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42 buf.append(serviceName); |
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43 needSep = true; |
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44 } |
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45 } |
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46 System.out.print(buf); |
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47 } |
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48 |
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49 private static Class<?> lookupService(String serviceName) { |
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50 try { |
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51 // This can fail in the case of running against a JDK |
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52 // with out of date JVMCI jars. In that case, just print |
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53 // a warning sinc the expectation is that the jars will be |
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54 // updated later on. |
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55 return Class.forName(serviceName, false, FilterTypes.class.getClassLoader()); |
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56 } catch (ClassNotFoundException e) { |
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57 // Must be stderr to avoid polluting the result being |
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58 // written to stdout. |
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59 System.err.println(e); |
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60 return null; |
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61 } |
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62 } |
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63 } |