2001-12-15 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* java/util/BitSet.java (and): Fix off-by-one bug, don't skip part of
the bitset.
(andNot): Likewise.
(xor): Likewise.
2001-12-15 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* java/util/LinkedList.java (LinkedListItr.add): Don't skip the next
entry.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/TreeMap.java (removeNode): Fix bug in node removal.
2001-12-15 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* java/util/AbstractCollection.java (containsAll): Use size of the
correct collection for loop bound.
* java/util/AbstractList.java (iterator.next): Increment pos after
calling get on backing list.
(listIterator.next): Likewise.
* java/util/LinkedList.java (addLastEntry): Don't increment size before
checking for size == 0.
(addFirstEntry): Rearrange to match addLastEntry.
(add): Do not increment size before inserting the new entry.
* java/util/AbstractCollection.java (addAll): Use size of the
correct collection for loop bound.
2001-12-15 Bryce McKinlay <bryce@waitaki.otago.ac.nz>
* java/util/AbstractSet.java (removeAll): Fix scoping thinko.
* java/util/HashMap.java (putAllInternal): Set size here.
* java/util/Hashtable.java (putAllInternal): New method. Copy contents
of a map efficiently without calling put() or putAll().
(Hashtable (map)): Use putAllInternal.
(clone): Likewise.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/Collections.java:
* java/util/Vector.java:
* java/util/WeakHashMap.java: Fix spelling errors.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/AbstractCollection.java (removeAllInternal),
(retainAllInternal): Add hooks for use by ArrayList.
* java/util/AbstractList.java: Minor code updates. Fix some
scoping.
* java/util/AbstractMap.java: ditto
* java/util/ArrayList.java (readObject, writeObject): ditto
(removeAllInternal, retainAllInternal): Optimize.
* java/util/Arrays.java: ditto
* java/util/Collections.java: ditto. Change order of parameters
to equals(Object, Object) to match specs.
* java/util/Dictionary.java: Improve javadoc.
(Dictionary): Add explicit constructor.
* java/util/HashMap.java: Improve javadoc. Rearrange methods to
follow order in JDK. Cleanups related to recent code migration to
AbstractMap. Fix some scoping.
(entrySet): Cache the result.
(modCount): Ensure that this is updated correctly.
* java/util/HashSet.java: Improve javadoc. Fix some scoping.
(init): Add hooks for LinkedHashSet.
(map): Use "" instead of Boolean.TRUE in backing map. Use
package-private API where possible for less overhead.
(readObject, writeObject): Fix serialization.
* java/util/Hashtable.java: Improve javadoc. Fix some scoping.
(entrySet, keySet, values): Cache the result.
(modCount): Ensure that this is updated correctly.
(contains, remove): Fix NullPointer checking to match specs.
(class Enumeration): Make more like HashIterator.
* java/util/IdentityHashMap.java: Minor code updates.
(modCount): Ensure that this is updated correctly.
(readObject, writeObject): Fix serialization.
* java/util/LinkedHashMap.java: Minor code updates. Cleanups
related to recent code migration to AbstractMap.
* java/util/LinkedHashSet.java: New file.
* java/util/LinkedList.java:
(readObject, writeObject): Fix serialization.
* java/util/Makefile.am: List recently added files.
* java/util/Stack.java: Minor code updates.
* java/util/TreeMap.java: Improve javadoc. Overhaul the class to
be more efficient. Fix some scoping. Rearrange the methods.
(nil): Ensure that this can be thread-safe, and make it a static
final. Initialize it to be more useful as a sentinal node.
(Node): Specify color in constructor.
(deleteFixup, insertFixup): Improve comments and algorithm.
(fabricateTree): Redesign with less overhead.
(lowestGreaterThan): Add parameter first to make SubMap easier.
(removeNode): Patch hole where nil was being modified. Choose
predecessor instead of successor so in-place swap works.
(class VerifyResult, verifyTree, verifySub, verifyError): Remove
this dead code after verifying the class works.
(class SubMap): Rewrite several algorithms to avoid problems with
comparing nil.
* java/util/TreeSet.java: Improve javadoc. Fix some scoping.
(clone): Fix ClassCastException when cloning subSet().
(readObject, writeObject): Fix serialization.
* java/util/WeakHashMap.java: Improve javadoc. Fix some scoping.
(NULL_KEY): Make it compare as null, for ease elsewhere.
(Class WeakEntry): Rename from Entry, to avoid shadowing
Map.Entry. Add missing toString.
(modCount): Ensure that this is updated correctly.
(clear, containsValue, keySet, putAll, values, WeakHashMap(Map)):
Add missing methods and constructor.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/ArrayList.java (checkBoundExclusive),
(checkBoundInclusive): Rename from range??clusive, to match
AbstractList.
* java/util/LinkedList.java (checkBoundsExclusive),
(checkBoundsInclusive): ditto
* java/util/Vector.java (checkBoundExclusive),
(checkBoundInclusive): Move bounds checking into common methods.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/AbstractList.java:
(modCount): Make sure it is updated in all needed places.
* java/util/ArrayList.java: Improve javadoc. Implements
RandomAccess. Add serialVersionUID. Reorder methods.
(modCount): Make sure it is updated in all needed places.
(rangeExclusive, rangeInclusive): Add common methods for bounds
check.
(isEmpty): Add missing method.
* java/util/Collections.java: (class SynchronizedList): Make
package visible.
* java/util/ConcurrentModificationException.java: Improve
javadoc.
* java/util/EmptyStackException.java: Improve javadoc.
* java/util/LinkedList.java: Improve javadoc.
(modCount): Make sure it is updated in all needed places.
(rangeExclusive, rangeInclusive): Add common methods for bounds
check.
* java/util/NoSuchElementException.java: Improve javadoc.
* java/util/Stack.java: Improve javadoc. Fix synchronization
issues.
(modCount): Make sure it is updated in all needed places.
* java/util/Vector.java: Improve javadoc. Fix synchronization
issues. Implements RandomAccess. Reorder methods.
(modCount): Make sure it is updated in all needed places.
(setSize): Fix according to specifications: this does not dictate
the backing array size.
(removeAll, retainAll): Faster implementations.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/BitSet.java: Improve javadoc.
(cardinality(), clear(), clear(int, int), flip(int)),
(flip(int, int), get(int, int), intersects(BitSet), isEmpty()),
(nextClearBit(int), nextSetBit(int), set(int, boolean)),
(set(int, int), set(int, int, boolean)): Add new JDK 1.4 methods.
(clone): Fix so subclasses clone correctly.
2001-12-15 Eric Blake <ebb9@email.byu.edu>
* java/util/AbstractCollection.java: Improve javadoc.
(AbstractCollection()): Make constructor protected.
(equals(Object, Object), hashCode(Object)): Add utility methods.
* java/util/AbstractList.java: Improve javadoc.
(AbstractList()): Make constructor protected.
(indexOf(Object)): Call listIterator(), not listIterator(int).
(iterator()): Follow Sun's requirement to not use listIterator(0).
(listIterator(int)): Make AbstractListItr anonymous.
(subList(int, int)): Add support for RandomAccess.
(SubList.add(int, Object), SubList.remove(Object)): Fix bug with
modCount tracking.
(SubList.addAll(Collection)): Add missing method.
(SubList.listIterator(int)): Fix bugs in indexing, modCount
tracking.
(class RandomAccessSubList): Add new class.
* java/util/AbstractMap.java: Improve javadoc.
(keys, values, KEYS, VALUES, ENTRIES): Consolidate common map
fields.
(AbstractMap()): Make constructor protected.
(equals(Object, Object), hashCode(Object)): Add utility methods.
(equals(Object)): Change algorithm to
entrySet().equals(m.entrySet()), as documented by Sun.
(keySet(), values()): Cache the collections.
* java/util/AbstractSequentialList.java: Improve javadoc.
(AbstractSequentialList()): Make constructor protected.
* java/util/AbstractSet.java: Improve javadoc.
(AbstractSet()): Make constructor protected.
(removeAll(Collection)): Add missing method.
* java/util/Arrays.java: Improve javadoc, rearrange method orders.
(defaultComparator): Remove, in favor of
Collections.compare(Object, Object, Comparator).
(binarySearch, equals, sort): Fix natural order comparison of
floats and doubles. Also improve Object comparison - when
comparator is null, use natural order.
(fill, sort): Add missing checks for IllegalArgumentException.
(sort, qsort): Fix sorting bugs, rework the code for more
legibility.
(mergeSort): Inline into sort(Object[], int, int, Comparator).
(class ArrayList): Rename from ListImpl, and make compatible with
JDK serialization. Add methods which more efficiently override
those of AbstractList.
* java/util/Collections: Improve javadoc.
(isSequential(List)): Add and use a method for deciding between
RandomAccess and sequential algorithms on lists.
(class Empty*, class Synchronized*, class Unmodifiable*): Make
compliant with JDK serializability.
(class Singleton*, class CopiesList, class RevereseComparator),
(class UnmodifiableMap.UnmodifiableEntrySet),
(class *RandomAccessList): New classes for serial compatibility.
(class Empty*, class Singleton*, class CopiesList): Add methods
which more efficiently override those of Abstract*.
(search): Inline into binarySearch(List, Object, Comparator).
(binarySearch): Make sequential search only do log(n) comparisons,
instead of n.
(copy(List, List)): Do bounds checking before starting.
(indexOfSubList, lastIndexOfSubList, list, replaceAll, rotate),
(swap): Add new JDK 1.4 methods.
(binarySearch, max, min, sort): Allow null comparator to represent
natural ordering.
(reverse(List)): Avoid unnecessary swap.
(shuffle(List, Random)): Do shuffle in-place for RandomAccess
lists.
(SingletonList.get): Fix logic bug.
(SingletonMap.entrySet): Make the entry immutable, and cache the
returned set.
(SynchronizedCollection, SynchronizedMap, UnmodifiableCollection),
(UnmodifiableMap): Detect null pointer in construction.
(SynchronizedMap, UnmodifiableMap): Cache collection views.
* java/util/BasicMapEntry: Improve javadoc.
From-SVN: r48035
2001-03-24 Bryce McKinlay <bryce@albatross.co.nz>
* java/util/HashMap.java (HashMap): If 0 is given for initialCapacity
paramater, bump it to 1.
* java/util/Hashtable.java (Hashtable): Likewise.
From-SVN: r40812
* java/util/TreeMap.java: New file.
* java/util/TreeSet.java: New file.
* Makefile.am: Add TreeMap and TreeSet. Enable WeakHashMap.
* Makefile.in: Rebuilt.
* java/util/HashSet.java (clone): Use constructor instead of calling
clone on itself.
* java/util/SortedSet.java: Sync with classpath.
* java/util/HashMap.java (hash): Use if statement instead of ternary,
for clarity.
Resolves PR libgcj/1758.
Resolves PR java/1684.
From-SVN: r39657
* java/util/BasicMapEntry.java: Re-added.
* java/util/HashMap.java (Entry): Extend BasicMapEntry.
(putAll): Test for BasicMapEntry.
* java/util/Hashtable.java (Entry): Extend BasicMapEntry.
(putAll): Test for BasicMapEntry.
Change references from `HashMap.Entry' to `Entry' in various places.
* Makefile.am: Add BasicMapEntry.java.
* Makefile.in: Rebuilt.
From-SVN: r38410
2000-12-17 Jeff Sturm <jeff.sturm@commerceone.com>
* java/util/Hashtable.java (put): Remove `last' variable.
Link new entry to head of list.
* java/util/HashMap.java (put): Ditto.
From-SVN: r38325
* Makefile.am: Add HashSet.java and java/lang/ref classes.
Remove BasicMapEntry.java and Bucket.java.
* Makefile.in: Rebuilt.
* java/util/HashMap.java: Rewritten.
* java/util/HashSet.java: Imported from classpath.
* java/util/WeakHashMap.java: Imported from classpath.
* java/util/Hashtable.java: Rewritten based on new HashMap code.
* java/util/Bucket.java: Deleted.
* java/util/BasicMapEntry.java: Deleted.
* java/util/Collections.java (search): Use a for-loop, not iterator
hasNext().
(copy): Use a for-loop. Throw an IndexOutOfBoundsException if run out
of elements in source.
(max): Use a for-loop.
(min): Ditto.
(reverse): Keep track of positions instead of using Iterator's
nextIndex() and previousIndex().
(shuffle(List)): Initialize defaultRandom if required using
double-check thread safety idiom. Call two-argument shuffle method
using defaultRandom.
(defaultRandom): New field.
(shuffle(List, Random)): Use a for-loop. Keep track of pos instead
of using previousIndex() and nextIndex().
(singletonMap(iterator)): Use a HashMap.Entry, not BasicMapEntry.
* java/util/AbstractCollection.java (toString): Use a StringBuffer.
* java/util/AbstractMap.java (toString): Use StringBuffer.
* java/lang/ref/PhantomReference.java: Imported from classpath.
* java/lang/ref/SoftReference.java: Ditto.
* java/lang/ref/Reference.java: Ditto.
* java/lang/ref/WeakReference.java: Ditto.
* java/lang/ref/ReferenceQueue.java: Ditto.
From-SVN: r38183
Bryce McKinlay
Joseph Myers
Bryce McKinlay
Jeff Sturm
Anthony Green