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annotate truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/compiler/AbstractCompiler.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 9c8c0937da41
children
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1 /*
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2 * Copyright (c) 2012, 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 package com.oracle.truffle.dsl.processor.java.compiler;
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24
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dc83cc1f94f2 Using fully qualified imports
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25 import java.lang.reflect.Field;
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26 import java.lang.reflect.Method;
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28 public abstract class AbstractCompiler implements Compiler {
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29
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30 protected static Object method(Object o, String methodName) throws Exception {
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31 Method method = o.getClass().getMethod(methodName);
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32 method.setAccessible(true);
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33 return method.invoke(o);
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34 }
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35
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36 protected static Object method(Object o, String methodName, Class<?>[] paramTypes, Object... values) throws Exception {
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37 Method method = o.getClass().getMethod(methodName, paramTypes);
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38 method.setAccessible(true);
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39 return method.invoke(o, values);
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40 }
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41
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42 protected static Object field(Object o, String fieldName) throws Exception {
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43 if (o == null) {
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44 return null;
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45 }
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46 Class<?> clazz = o.getClass();
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47 Field field = null;
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48 try {
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49 field = clazz.getField(fieldName);
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50 } catch (NoSuchFieldException e) {
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51 while (clazz != null) {
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52 try {
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53 field = clazz.getDeclaredField(fieldName);
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54 break;
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55 } catch (NoSuchFieldException e1) {
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56 clazz = clazz.getSuperclass();
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57 }
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58 }
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59 if (field == null) {
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60 throw e;
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61 }
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62 }
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63 field.setAccessible(true);
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64 return field.get(o);
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65 }
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66
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67 protected static String parseHeader(String content) {
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68 int index = content.indexOf("/*");
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69 if (index == -1) {
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70 return null;
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71 }
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72 if (!content.substring(0, index).trim().equals("")) {
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73 // just whitespace before
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74 return null;
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75 }
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77 int endIndex = content.indexOf("*/", index);
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78 if (endIndex == -1) {
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79 return null;
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80 }
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81 return content.substring(index, endIndex + 2);
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82 }
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83
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84 }