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annotate truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/compiler/AbstractCompiler.java @ 21951:9c8c0937da41

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Moving all sources into truffle subdirectory
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 17 Jun 2015 10:58:08 +0200
parents graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/compiler/AbstractCompiler.java@23415229349b
children dc83cc1f94f2
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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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25 import java.lang.reflect.*;
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27 public abstract class AbstractCompiler implements Compiler {
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29 protected static Object method(Object o, String methodName) throws Exception {
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30 Method method = o.getClass().getMethod(methodName);
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31 method.setAccessible(true);
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32 return method.invoke(o);
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33 }
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34
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35 protected static Object method(Object o, String methodName, Class<?>[] paramTypes, Object... values) throws Exception {
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36 Method method = o.getClass().getMethod(methodName, paramTypes);
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37 method.setAccessible(true);
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38 return method.invoke(o, values);
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39 }
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41 protected static Object field(Object o, String fieldName) throws Exception {
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42 if (o == null) {
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43 return null;
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44 }
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45 Class<?> clazz = o.getClass();
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46 Field field = null;
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47 try {
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48 field = clazz.getField(fieldName);
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49 } catch (NoSuchFieldException e) {
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50 while (clazz != null) {
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51 try {
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52 field = clazz.getDeclaredField(fieldName);
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53 break;
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54 } catch (NoSuchFieldException e1) {
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55 clazz = clazz.getSuperclass();
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56 }
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57 }
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58 if (field == null) {
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59 throw e;
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60 }
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61 }
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62 field.setAccessible(true);
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63 return field.get(o);
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64 }
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65
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66 protected static String parseHeader(String content) {
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67 int index = content.indexOf("/*");
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68 if (index == -1) {
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69 return null;
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70 }
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71 if (!content.substring(0, index).trim().equals("")) {
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72 // just whitespace before
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73 return null;
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74 }
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75
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76 int endIndex = content.indexOf("*/", index);
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77 if (endIndex == -1) {
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78 return null;
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79 }
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80 return content.substring(index, endIndex + 2);
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81 }
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83 }