public static LocalVariableAnnotation getLocalVariableAnnotation(
Method method, int local, int position1, int position2) {
LocalVariableTable localVariableTable = method.getLocalVariableTable();
String localName = "?";
if (localVariableTable != null) {
LocalVariable lv1 = localVariableTable.getLocalVariable(local, position1);
if (lv1 == null) {
lv1 = localVariableTable.getLocalVariable(local, position2);
position1 = position2;
}
if (lv1 != null) localName = lv1.getName();
else
for (LocalVariable lv : localVariableTable.getLocalVariableTable()) {
if (lv.getIndex() == local) {
if (!localName.equals("?") && !localName.equals(lv.getName())) {
// not a single consistent name
localName = "?";
break;
}
localName = lv.getName();
}
}
}
LineNumberTable lineNumbers = method.getLineNumberTable();
if (lineNumbers == null) return new LocalVariableAnnotation(localName, local, position1);
int line = lineNumbers.getSourceLine(position1);
return new LocalVariableAnnotation(localName, local, position1, line);
}
/**
* Initialize from another object. Note that both objects use the same references (shallow copy).
* Use copy() for a physical copy.
*
* @param c
*/
public LocalVariable(LocalVariable c) {
this(
c.getStartPC(),
c.getLength(),
c.getNameIndex(),
c.getSignatureIndex(),
c.getIndex(),
c.getConstantPool());
}