/**
* Constructs a <code>method_info</code> structure. The initial value of <code>access_flags</code>
* is zero.
*
* @param cp a constant pool table
* @param methodname method name
* @param desc method descriptor
* @see Descriptor
*/
public MethodInfo(ConstPool cp, String methodname, String desc) {
this(cp);
accessFlags = 0;
name = cp.addUtf8Info(methodname);
cachedName = methodname;
descriptor = constPool.addUtf8Info(desc);
}
void prune(ConstPool cp) {
LinkedList newAttributes = new LinkedList();
AttributeInfo invisibleAnnotations = getAttribute(AnnotationsAttribute.invisibleTag);
if (invisibleAnnotations != null) {
invisibleAnnotations = invisibleAnnotations.copy(cp, null);
newAttributes.add(invisibleAnnotations);
}
AttributeInfo visibleAnnotations = getAttribute(AnnotationsAttribute.visibleTag);
if (visibleAnnotations != null) {
visibleAnnotations = visibleAnnotations.copy(cp, null);
newAttributes.add(visibleAnnotations);
}
AttributeInfo signature = getAttribute(SignatureAttribute.tag);
if (signature != null) {
signature = signature.copy(cp, null);
newAttributes.add(signature);
}
int index = getConstantValue();
if (index != 0) {
index = constPool.copy(index, cp, null);
newAttributes.add(new ConstantAttribute(cp, index));
}
attribute = newAttributes;
name = cp.addUtf8Info(getName());
descriptor = cp.addUtf8Info(getDescriptor());
constPool = cp;
}
void prune(ConstPool cp) {
LinkedList newAttributes = new LinkedList();
AttributeInfo invisibleAnnotations = getAttribute(AnnotationsAttribute.invisibleTag);
if (invisibleAnnotations != null) {
invisibleAnnotations = invisibleAnnotations.copy(cp, null);
newAttributes.add(invisibleAnnotations);
}
AttributeInfo visibleAnnotations = getAttribute(AnnotationsAttribute.visibleTag);
if (visibleAnnotations != null) {
visibleAnnotations = visibleAnnotations.copy(cp, null);
newAttributes.add(visibleAnnotations);
}
AttributeInfo parameterInvisibleAnnotations =
getAttribute(ParameterAnnotationsAttribute.invisibleTag);
if (parameterInvisibleAnnotations != null) {
parameterInvisibleAnnotations = parameterInvisibleAnnotations.copy(cp, null);
newAttributes.add(parameterInvisibleAnnotations);
}
AttributeInfo parameterVisibleAnnotations =
getAttribute(ParameterAnnotationsAttribute.visibleTag);
if (parameterVisibleAnnotations != null) {
parameterVisibleAnnotations = parameterVisibleAnnotations.copy(cp, null);
newAttributes.add(parameterVisibleAnnotations);
}
AnnotationDefaultAttribute defaultAttribute =
(AnnotationDefaultAttribute) getAttribute(AnnotationDefaultAttribute.tag);
if (defaultAttribute != null) newAttributes.add(defaultAttribute);
ExceptionsAttribute ea = getExceptionsAttribute();
if (ea != null) newAttributes.add(ea);
AttributeInfo signature = getAttribute(SignatureAttribute.tag);
if (signature != null) {
signature = signature.copy(cp, null);
newAttributes.add(signature);
}
attribute = newAttributes;
name = cp.addUtf8Info(getName());
descriptor = cp.addUtf8Info(getDescriptor());
constPool = cp;
}
private void renameType(int pos, int index) {
String name = cpool.getUtf8Info(index);
String newName = Descriptor.rename(name, classnames);
if (!name.equals(newName)) {
int index2 = cpool.addUtf8Info(newName);
ByteArray.write16bit(index2, info, pos);
}
}
private void read(MethodInfo src, String methodname, Map classnames) throws BadBytecode {
ConstPool destCp = constPool;
accessFlags = src.accessFlags;
name = destCp.addUtf8Info(methodname);
cachedName = methodname;
ConstPool srcCp = src.constPool;
String desc = srcCp.getUtf8Info(src.descriptor);
String desc2 = Descriptor.rename(desc, classnames);
descriptor = destCp.addUtf8Info(desc2);
attribute = new LinkedList();
ExceptionsAttribute eattr = src.getExceptionsAttribute();
if (eattr != null) attribute.add(eattr.copy(destCp, classnames));
CodeAttribute cattr = src.getCodeAttribute();
if (cattr != null) attribute.add(cattr.copy(destCp, classnames));
}
/**
* Constructs an <code>attribute_info</code> structure.
*
* @param cp constant pool table
* @param attrname attribute name
* @param attrinfo <code>info</code> field of <code>attribute_info</code> structure.
*/
public AttributeInfo(ConstPool cp, String attrname, byte[] attrinfo) {
this(cp, cp.addUtf8Info(attrname), attrinfo);
}
/**
* Copies a constant pool entry into the destination constant pool and returns the index of the
* copied entry. That entry must be a Utf8Info representing a class name in the L<class name>;
* form.
*
* @param srcIndex the index of the copied entry into the source constant pool.
* @return the index of the copied item into the destination constant pool.
*/
int copyType(int srcIndex) {
String name = srcPool.getUtf8Info(srcIndex);
String newName = Descriptor.rename(name, classnames);
return destPool.addUtf8Info(newName);
}
/**
* Sets a method descriptor.
*
* @see Descriptor
*/
public void setDescriptor(String desc) {
if (!desc.equals(getDescriptor())) descriptor = constPool.addUtf8Info(desc);
}
/** Sets a method name. */
public void setName(String newName) {
name = constPool.addUtf8Info(newName);
cachedName = newName;
}
/**
* Copies all constant pool items to a given new constant pool and replaces the original items
* with the new ones. This is used for garbage collecting the items of removed fields and methods.
*
* @param cp the destination
*/
void compact(ConstPool cp) {
name = cp.addUtf8Info(getName());
descriptor = cp.addUtf8Info(getDescriptor());
attribute = AttributeInfo.copyAll(attribute, cp);
constPool = cp;
}
/**
* Constructs a <code>field_info</code> structure.
*
* @param cp a constant pool table
* @param fieldName field name
* @param desc field descriptor
* @see Descriptor
*/
public FieldInfo(ConstPool cp, String fieldName, String desc) {
this(cp);
name = cp.addUtf8Info(fieldName);
cachedName = fieldName;
descriptor = cp.addUtf8Info(desc);
}
