Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/compiler/AbstractCompiler.java @ 16898:433ece7d941d
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 22 Aug 2014 16:03:49 +0200 |
parents | 23415229349b |
children |
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/* * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.truffle.dsl.processor.java.compiler; import java.lang.reflect.*; public abstract class AbstractCompiler implements Compiler { protected static Object method(Object o, String methodName) throws Exception { Method method = o.getClass().getMethod(methodName); method.setAccessible(true); return method.invoke(o); } protected static Object method(Object o, String methodName, Class<?>[] paramTypes, Object... values) throws Exception { Method method = o.getClass().getMethod(methodName, paramTypes); method.setAccessible(true); return method.invoke(o, values); } protected static Object field(Object o, String fieldName) throws Exception { if (o == null) { return null; } Class<?> clazz = o.getClass(); Field field = null; try { field = clazz.getField(fieldName); } catch (NoSuchFieldException e) { while (clazz != null) { try { field = clazz.getDeclaredField(fieldName); break; } catch (NoSuchFieldException e1) { clazz = clazz.getSuperclass(); } } if (field == null) { throw e; } } field.setAccessible(true); return field.get(o); } protected static String parseHeader(String content) { int index = content.indexOf("/*"); if (index == -1) { return null; } if (!content.substring(0, index).trim().equals("")) { // just whitespace before return null; } int endIndex = content.indexOf("*/", index); if (endIndex == -1) { return null; } return content.substring(index, endIndex + 2); } }