/*
* 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.Field;
import java.lang.reflect.Method;
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);
}
}