public FieldOptimizationInfo(Clazz clazz, Field field) {
int accessFlags = field.getAccessFlags();
isWritten = isRead = (accessFlags & ClassConstants.INTERNAL_ACC_VOLATILE) != 0;
if ((accessFlags & ClassConstants.INTERNAL_ACC_STATIC) != 0) {
// See if we can initialize the static field with a constant value.
field.accept(clazz, new AllAttributeVisitor(this));
}
if ((accessFlags & ClassConstants.INTERNAL_ACC_FINAL) == 0 && value == null) {
// Otherwise initialize the non-final field with the default value.
value = initialValue(field.getDescriptor(clazz));
}
}
public static FieldOptimizationInfo getFieldOptimizationInfo(Field field) {
Object visitorInfo = field.getVisitorInfo();
return visitorInfo instanceof FieldOptimizationInfo
? (FieldOptimizationInfo) visitorInfo
: null;
}
public static void setFieldOptimizationInfo(Clazz clazz, Field field) {
field.setVisitorInfo(new FieldOptimizationInfo(clazz, field));
}