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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.bytecode.accessors;
import java.lang.reflect.Field;
public class InvokeDynamicInfoAccessor {
private static Class<?> m_class;
private static Field m_bootstrapIndex;
private static Field m_nameAndTypeIndex;
static {
try {
m_class = Class.forName("javassist.bytecode.InvokeDynamicInfo");
m_bootstrapIndex = m_class.getDeclaredField("bootstrap");
m_bootstrapIndex.setAccessible(true);
m_nameAndTypeIndex = m_class.getDeclaredField("nameAndType");
m_nameAndTypeIndex.setAccessible(true);
} catch (Exception ex) {
throw new Error(ex);
}
}
public static boolean isType(ConstInfoAccessor accessor) {
return m_class.isAssignableFrom(accessor.getItem().getClass());
}
private Object m_item;
public InvokeDynamicInfoAccessor(Object item) {
m_item = item;
}
public int getBootstrapIndex() {
try {
return (Integer)m_bootstrapIndex.get(m_item);
} catch (Exception ex) {
throw new Error(ex);
}
}
public void setBootstrapIndex(int val) {
try {
m_bootstrapIndex.set(m_item, val);
} catch (Exception ex) {
throw new Error(ex);
}
}
public int getNameAndTypeIndex() {
try {
return (Integer)m_nameAndTypeIndex.get(m_item);
} catch (Exception ex) {
throw new Error(ex);
}
}
public void setNameAndTypeIndex(int val) {
try {
m_nameAndTypeIndex.set(m_item, val);
} catch (Exception ex) {
throw new Error(ex);
}
}
}
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