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comparison 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
comparison
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21950:2a5011c7e641 21951:9c8c0937da41
1 /*
2 * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.oracle.truffle.dsl.processor.java.compiler;
24
25 import java.lang.reflect.*;
26
27 public abstract class AbstractCompiler implements Compiler {
28
29 protected static Object method(Object o, String methodName) throws Exception {
30 Method method = o.getClass().getMethod(methodName);
31 method.setAccessible(true);
32 return method.invoke(o);
33 }
34
35 protected static Object method(Object o, String methodName, Class<?>[] paramTypes, Object... values) throws Exception {
36 Method method = o.getClass().getMethod(methodName, paramTypes);
37 method.setAccessible(true);
38 return method.invoke(o, values);
39 }
40
41 protected static Object field(Object o, String fieldName) throws Exception {
42 if (o == null) {
43 return null;
44 }
45 Class<?> clazz = o.getClass();
46 Field field = null;
47 try {
48 field = clazz.getField(fieldName);
49 } catch (NoSuchFieldException e) {
50 while (clazz != null) {
51 try {
52 field = clazz.getDeclaredField(fieldName);
53 break;
54 } catch (NoSuchFieldException e1) {
55 clazz = clazz.getSuperclass();
56 }
57 }
58 if (field == null) {
59 throw e;
60 }
61 }
62 field.setAccessible(true);
63 return field.get(o);
64 }
65
66 protected static String parseHeader(String content) {
67 int index = content.indexOf("/*");
68 if (index == -1) {
69 return null;
70 }
71 if (!content.substring(0, index).trim().equals("")) {
72 // just whitespace before
73 return null;
74 }
75
76 int endIndex = content.indexOf("*/", index);
77 if (endIndex == -1) {
78 return null;
79 }
80 return content.substring(index, endIndex + 2);
81 }
82
83 }