private boolean hasStructuralChanges( ClassFileReader reader, TypeStructure existingType, int flags) { if (existingType == null) { return true; } // modifiers if (!modifiersEqual(reader.getModifiers(), existingType.modifiers)) { return true; } // generic signature if (!CharOperation.equals(reader.getGenericSignature(), existingType.genericSignature)) { return true; } // superclass name if (!CharOperation.equals(reader.getSuperclassName(), existingType.superclassName)) { return true; } // class level annotations if ((flags & FLAG_ANNOTATION) != 0) { IBinaryAnnotation[] existingAnnotations = existingType.getAnnotations(); IBinaryAnnotation[] newAnnotations = reader.getAnnotations(); if (!annotationsEqual(existingAnnotations, newAnnotations, flags)) { return true; } } // tag bits; standard annotations like @Deprecated if (reader.getTagBits() != existingType.getTagBits()) { return true; } // interfaces char[][] existingIfs = existingType.interfaces; char[][] newIfsAsChars = reader.getInterfaceNames(); if (newIfsAsChars == null) { newIfsAsChars = EMPTY_CHAR_ARRAY; } // damn I'm lazy... if (existingIfs == null) { existingIfs = EMPTY_CHAR_ARRAY; } if (existingIfs.length != newIfsAsChars.length) return true; new_interface_loop: for (int i = 0; i < newIfsAsChars.length; i++) { for (int j = 0; j < existingIfs.length; j++) { if (CharOperation.equals(existingIfs[j], newIfsAsChars[i])) { continue new_interface_loop; } } return true; } // fields IBinaryField[] newFields = reader.getFields(); if (newFields == null) { newFields = TypeStructure.NoField; } IBinaryField[] existingFs = existingType.binFields; if (newFields.length != existingFs.length) return true; new_field_loop: for (int i = 0; i < newFields.length; i++) { IBinaryField field = newFields[i]; char[] fieldName = field.getName(); for (int j = 0; j < existingFs.length; j++) { if (CharOperation.equals(existingFs[j].getName(), fieldName)) { if (!modifiersEqual(field.getModifiers(), existingFs[j].getModifiers())) { return true; } if (!CharOperation.equals(existingFs[j].getTypeName(), field.getTypeName())) { return true; } if ((flags & FLAG_ANNOTATION) != 0) { if (!annotationsEqual(field.getAnnotations(), existingFs[j].getAnnotations(), flags)) { return true; } } continue new_field_loop; } } return true; } // methods IBinaryMethod[] newMethods = reader.getMethods(); if (newMethods == null) { newMethods = TypeStructure.NoMethod; } char[] fileName = reader.getFileName(); IBinaryMethod[] existingMs = existingType.binMethods; if (newMethods.length != existingMs.length) return true; new_method_loop: for (int i = 0; i < newMethods.length; i++) { IBinaryMethod method = newMethods[i]; char[] methodName = method.getSelector(); for (int j = 0; j < existingMs.length; j++) { if (CharOperation.equals(existingMs[j].getSelector(), methodName)) { // candidate match if (!CharOperation.equals( method.getMethodDescriptor(), existingMs[j].getMethodDescriptor())) { continue; // might be overloading } else { // matching sigs if (!modifiersEqual(method.getModifiers(), existingMs[j].getModifiers())) { return true; } if ((flags & FLAG_ANNOTATION) != 0) { if (!annotationsEqual( method.getAnnotations(), existingMs[j].getAnnotations(), flags)) { return true; } if (!parameterAnnotationsEquals(method, existingMs[j], fileName, flags)) { return true; } } continue new_method_loop; } } } return true; // (no match found) } return false; }