2000-08-20 Mark Wielaard <mark@klomp.org>
* java/util/zip/Adler32.java: Make private variables really private
* java/util/zip/CRC32.java: Make private variables really private
* java/util/zip/CheckedInputStream.java: skip() could skip to much bytes
* java/util/zip/InflaterInputStream.java: skip() could skip to much bytes
* java/util/zip/ZipEntry.java: setCompressedSize() didn't check input
* java/util/zip/ZipFile.java: size() new 1.2 method
* java/util/zip/ZipInputStream.java: Use createZipEntry not new ZipEntry.
since 1.2 available() always returns just 1 or 0 when closed
From-SVN: r35826
Sun Aug 20 09:51:48 2000 Anthony Green <green@redhat.com>
* java/net/URLClassLoader.java: Find the JarEntry via the JarFile.
* java/net/JarURLConnection.java: getEntry doesn't take any
arguments. Return null if element is null.
* java/util/zip/ZipFile.java (getInputStream): Read the compressed
size from the archive, not the inflated size.
* java/util/jar/JarFile.java (getEntry): Don't recurse. Call
java.util.zip.ZipFile.getEntry.
* gij.cc (help): Change sourceware reference to
sources.redhat.com.
From-SVN: r35821
2000-08-15 Alexandre Petit-Bianco <apbianco@cygnus.com>
* java/lang/natClass.cc (finit_name): Initialized with `finit$'.
(finit_leg_name): New global.
(java::lang::Class::getDeclaredMethods): Test for `finit$' or
`$finit$'. This is a backward compatibility hack.
(java::lang::Class::_getMethods): Likewise.
(http://sources.redhat.com/ml/java-discuss/2000-08/msg00031.html
See also the matching compiler patch:
http://gcc.gnu.org/ml/gcc-patches/2000-08/msg00664.html)
From-SVN: r35769
* gnu/gcj/awt/ComponentDataBlitOp.java: New file.
* gnu/gcj/awt/GLightweightPeer.java: New file.
* java/awt/BorderLayout.java: Implemented all methods.
* java/awt/Button.java (actionListener, actionCommand): Renamed
and modifier change.
(addNotify): Call super.
(dispatchEventImpl): New method.
(getListeners): New method.
(label): Made package-private, not private.
* java/awt/Canvas.java: Implemented class body.
* java/awt/Color.java (brighter): New method.
(darker): New method.
(hashCode): New method.
* java/awt/Component.java (visible, enabled, eventMask): Set defaults.
(getGraphicsConfiguration): Delegate to
getGraphicsConfigurationImpl().
(getGraphicsConfigurationImpl): New method.
(getToolkit): Only return value from peer if not null.
(isDisplayable): Check with parent.
(isShowing): No parent implies not showing.
(getForeground): Check parent property if local is null.
(getBackground): Likewise.
(getFont): Likewise.
(setForeground): Inform peer.
(setBackground): Likewise
(setLocale): Invalidate component.
(getColorModel): Implemented.
(setLocation): Invalidate, or ignore if no change.
(setSize): Invalidate, or ignore if no change.
(setBounds): Invalidate, or ignore if no change.
(isOpaque): By default, heavyweight implies opaque.
(isLightweight): Implemented.
(getMaximumSize): Implemented.
(doLayout): Implemented, NOP.
(validate): Implemented, NOP.
(invalidate): Only propagate to parent if parent was valid.
(getGraphics): Implemented.
(getFontMetrics): Implemented.
(update): Implemented.
(paintAll): Implemented.
(repaint): Implemented all repaint methods.
(print): Implemented.
(printAll): Implemented.
(createImage): Implemented.
(dispatchEvent): Give the peer a chance to handle the event.
(dispatchEventImpl): Dispatch paint events.
(enableEvents): Lightweights enable events on parent component.
(coalesceEvents): Coalesce paint events, and select event type
using a switch.
(coalescePaintEvents): New method.
(processEvent): Fix unfortunate ordering of statements, and call
correct method for MOUSE_CLICKED.
(processPaintEvent): New method.
(addNotify): Allow container to notify children before event
mask is set in peer.
(addNotifyContainerChildren): New method.
(removeNotify): Visibility should not change on removeNotify.
(paramString): Implemented.
(list): Implemented two of the list methods.
* Container (myInsets): Removed, insets are managed by peer.
(getInsets): Query peer.
(addImpl): Fix reparenting, enable events for lightweights,
initialize component array.
(validate): Call doLayout in validateTree() instead.
(validateTree): Do nothing if already valid. Call beginValidate(),
endValidate() on peer. Call validateTree() instead of validate()
for children that are containers. Mark valid after validation of
children.
(setFont): Partial implementation.
(paint): Implemented.
(visitChildren): New method.
(visitChild): New method.
(update): Implemented.
(print): Implemented.
(paintComponents): Implemented.
(printComponents): Consider translation and clipping.
(getComponentAt): Ignore invisible children. Return this if no
child match.
(addNotify): Call super.
(addNotifyContainerChildren): New method.
(paramString): Implemented.
(list): Implemented.
* java/awt/EventQueue (invokeAndWait): Get system event queue the
right way.
(invokeLater): Likewise.
(isDispatchThread): Likewise.
* java/awt/FontMetrics (getLeading): Formula change.
(getDescent): Consider leading also.
(getMaxAscent): Default to getAscent().
(getMaxDescent): Default to getDescent.
(getMaxAdvance): Return value signifying unknown.
(charWidth): Both methods implemented.
(charsWidth): Implemented.
(bytesWidth): Implemented.
(getWidths): Implemented.
* java/awt/Frame.java (NORMAL, ICONIFIED, iconImage, isResizable,
state): New fields.
(Frame): Rearragend constuctor chaining to disallow null being
passed as a graphics configuration.
(getTitle): Return empty string if null.
(dispose): Removed.
(getIconImage): New method.
(setIconImage): New method.
(finalize): New method.
(setMenuBar): Notify peer.
(isResizable): New method.
(setResizable): New method.
(getState): New method.
(getFont): Removed.
(remove): Implemented.
(removeNotify): New method.
(getFrames): New method.
* java/awt/Graphics.java: Implemented body of class.
* java/awt/Graphics2D.java: New file.
* java/awt/GraphicsConfiguration.java: Enabled part of the API.
* java/awt/Image.java: Implemented body of class.
* java/awt/Panel.java (Panel): Call correct super constructor.
(addNotify): Implemented.
* java/awt/Rectangle.java (isEmpty): Fixed reversed logic.
* java/awt/RenderingHints.java: New file.
* java/awt/Toolkit.java (createComponent): Implemented.
(getSystemEventQueue): Delegate to getSystemEventQueueImpl().
* java/awt/Window.java (Window): Two new constructors. Reordered
constructor chaining.
(getGraphicsConfigurationImpl): New method.
(finalize): Call super.
(addNotify): Call super.
(pack): Do layout stuff.
(show): Ensure that peer exists and that component is valid.
(dispose): Dispose owned children.
(getOwner): Simplify code, casting null pointers is valid.
(getGraphicsConfiguration): Ask peer if local value is null.
* java/awt/event/ActionEvent.java (getActionCommand): Renamed from
getcmd().
* java/awt/image/BufferedImage.java: New file.
* java/awt/image/RasterOp.java: New file.
* java/awt/peer/ComponentPeer.java (getGraphicsConfiguration):
More powerfull replacement for getColorModel().
(getColorModel) Removed.
(setEventMask) New method.
* Makefile.am: Added new files.
* Makefile.in: Rebuilt.
From-SVN: r35748
* java/net/natPlainSocketImpl.cc (bind): Don't go to error case
when errno not set.
(connect): Likewise.
(accept): Likewise.
(getOption): Likewise.
* java/net/natPlainDatagramSocketImpl.cc (bind): Don't go to error
case when errno not set.
(peek): Likewise.
(send): Likewise.
(receive): Likewise.
(mcastGrp): Likewise.
(setOption): Likewise.
(getOption): Likewise.
From-SVN: r35617
* java/io/PrintWriter.java: Merged comments from Classpath.
(printlnUnsynchronized): Removed.
(println()): Print the separator.
(println): Call println(), not printlnUnsynchronized.
(out): Now protected, to match spec.
From-SVN: r35512
* java/io/StreamTokenizer.java (TT_NONE): Now private.
(nextToken): Handle backslashed newline. From Oskar Liljeblad.
For PR java.io/301.
From-SVN: r35511
* java/io/ObjectInputStream.java (readFields): Turn off
readDataFromBlock while reading via GetField.
(GetField$1.get(String, Object)): Pass Class of default value to
getField.
(getField): Allow for null default values.
* java/io/ObjectOutputStream.java: Fixed typo in comment.
(PutField$1.put): Fixed calls of checkType in most of the put
methods to pass the correct parameter.
(PutField$1.put(String, Object)): Allow for null value arg.
(PutField$1.write): Turn off writeDataAsBlocks while writing via
PutField.
* java/io/ObjectStreamClass.java (serialPersistentFields): Fixed
typo in spec'ed field name.
(getSerialPersistentFields): Changed spelling of method to match
the correct spelling of the spec'ed field name.
More serialization fixes per Mauve errors.
From-SVN: r35468
* Makefile.in: Rebuilt.
* Makefile.am (libgcj_la_SOURCES): Added posix.cc.
* java/net/natPlainSocketImpl.cc: Include posix.h.
(accept): Use _Jv_select.
* java/net/natPlainDatagramSocketImpl.cc: Include posix.h.
(receive): Use _Jv_select.
* java/io/natFileDescriptorPosix.cc: Include posix.h.
(available): Use _Jv_select.
* java/lang/natSystem.cc: Include posix.h.
(currentTimeMillis): Use _Jv_gettimeofday.
* include/posix.h: New file.
* posix.cc: New file.
From-SVN: r35435
2000-08-02 Bryce McKinlay <bryce@albatross.co.nz>
* interpret.cc (_Jv_InterpMethod::continue1): Type of `fun' changed
to match C declaration in ffi.h.
* Makefile.am: Add java/awt/Button.java.
* Makefile.in: Rebuilt.
2000-07-29 Alexandre Petit-Bianco <apbianco@cygnus.com>
* java/lang/reflect/natMethod.cc (_Jv_CallAnyMethodA): Type of the
cast of the second argument to `ffi_raw_call' changed to match
prototype.
2000-07-26 Alexandre Petit-Bianco <apbianco@cygnus.com>
* jni.cc (_Jv_JNIMethod::call): Type of the cast of the second
argument to `ffi_raw_call' changed to match prototype.
From-SVN: r35418
2000-07-23 Rolf W. Rasmussen <rolfwr@ii.uib.no>
* libjava/java/awt/image/ColorModel.java: New file, replaces the
stub libjava/java/awt/ColorModel.java which was located in the
wrong package.
* libjava/java/awt/image/ComponentColorModel.java: New file.
* libjava/java/awt/image/ComponentSampleModel.java: New file.
* libjava/java/awt/image/DataBuffer.java: New file.
* libjava/java/awt/image/DataBufferByte.java: New file.
* libjava/java/awt/image/DataBufferInt.java: New file.
* libjava/java/awt/image/DataBufferUShort.java: New file.
* libjava/java/awt/image/DirectColorModel.java: New file.
* libjava/java/awt/image/PackedColorModel.java: New file.
* libjava/java/awt/image/Raster.java: New file.
* libjava/java/awt/image/SampleModel.java: New file.
* libjava/java/awt/image/SinglePixelPackedSampleModel.java: New
file.
* libjava/java/awt/image/IndexColorModel.java: New file.
* libjava/java/awt/image/ImageConsumer.java: Removed import of
java.awt.ColorModel stub.
* gnu/gcj/util/BitMaskExtent.java: New file, utility class.
* gnu/gcj/util/Buffers.java: New file, utility class.
* libjava/Makefile.am: Updated to include new files.
* libjava/Makefile.in: Rebuilt.
From-SVN: r35245
* java/lang/natClassLoader.cc (_Jv_PrepareCompiledClass): Only
initialize String fields for interpreted classes. Fixes bug
reported by Hans Boehm.
From-SVN: r35150
* java/awt/image/ImageConsumer.java: New file.
* java/awt/image/ImageProducer.java: New file.
* java/awt/image/ImageObserver.java: New file.
From-SVN: r35000
* java/io/PrintWriter.java (print): Call write(String), not
print(String). See PR libgcj/277.
(print(String)): Use write, not out.write.
From-SVN: r34853
2000-06-27 Andrew Haley <aph@cygnus.com>
* java/io/File.java (createTempFile): Close the FileDescriptor
used to create a temp file. Fixes some of PR 203.
* java/io/natFileDescriptorPosix.cc (open): Call garbage
collection if we run out of file handles.
From-SVN: r34755
* gnu/java/security/provider/Gnu.java: New file.
* gnu/java/security/provider/SHA.java: New file.
* gnu/java/security/provider/SHA1PRNG.java: New file.
* Makefile.am: Added the above files.
* Makefile.in: Rebuilt.
* java/io/ObjectStreamClass.java (setUID): Use Gnu SHA instead of SHS.
From-SVN: r34753
* ThreadGroup.java: Added synchronized flag to many methods.
(destroyed_flag): Removed.
(isDestroyed, removeGroup, removeThread): Test for parent == null.
(activeCount): Added spec note.
From-SVN: r34750
* java/io/PushbackInputStream.java (read): If there are characters
in the buffer, don't also call super.read().
* java/io/PushbackReader.java (read): If there are characters in
the buffer, don't also call super.read().
From-SVN: r34745
2000-06-21 Bryce McKinlay <bryce@albatross.co.nz>
* java/lang/ThreadGroup.java (add(Thread)): Rename to addThread() to
comply with classpath VM spec.
(add(Group)): Rename to addGroup().
* java/lang/Thread.java (Thread): Use addThread().
* java/lang/natThread.cc (finish_): Use removeThread().
From-SVN: r34627
Fix for PR java.lang/258:
* prims.cc (_Jv_PrimClass): Set state of primitive class to
JV_STATE_DONE, to prevent accidental initialization.
* java/lang/natClass.cc (_Jv_IsAssignableFrom): Call
_Jv_InterfaceAssignableFrom if target is an interface and source is
an interface or an abstract class. Remove redundant initializeClass
calls. Remove duplicate if_idt test.
(_Jv_InterfaceAssignableFrom): New function.
* java/lang/Class.h (_Jv_InterfaceAssignableFrom): Prototype.
From-SVN: r34563
Fix for PR java.lang/258:
* prims.cc (_Jv_PrimClass): Set state of primitive class to
JV_STATE_DONE, to prevent accidental initialization.
* java/lang/natClass.cc (_Jv_IsAssignableFrom): Call
_Jv_InterfaceAssignableFrom if target is an interface and source is
an interface or an abstract class. Remove redundant initializeClass
calls. Remove duplicate if_idt test.
* java/lang/Class.h (_Jv_InterfaceAssignableFrom): New function.
From-SVN: r34562
* include/name-finder.h: Include <sys/wait.h>.
(_Jv_name_finder::pid): Now of type `pid_t'.
(_Jv_name_finder::~_Jv_name_finder): Call waitpid().
* java/lang/Throwable.java (CPlusPlusDemangler.close): Call
`proc.waitFor()'.
From-SVN: r34279
* java/lang/StringBuffer.java (toString): Don't mark buffer as
shared.
(insert(int,char[],int,int): New method.
(delete): New method from Classpath.
(deleteCharAt): Likewise.
(substring): Likewise.
(shared): No longer private.
Added JavaDoc comments from Classpath.
* java/lang/String.java (String(StringBuffer)): Ensure `buffer' is
shared.
From-SVN: r33809
* java/io/PipedInputStream.java, java/io/PipedReader.java,
java/io/PipedOutputStream.java, java/io/PipedWriter.java: New
version from Classpath.
From-SVN: r33316
* java/io/ObjectStreamException.java: New file.
* java/io/OptionalDataException.java: New file.
* java/io/StreamCorruptedException.java: New file.
* java/math/BigDecimal.java: New file.
* java/sql/CallableStatement.java: New file.
* java/sql/Connection.java: New file.
* java/sql/DataTruncation.java: New file.
* java/sql/DatabaseMetaData.java: New file.
* java/sql/Date.java: New file.
* java/sql/Driver.java: New file.
* java/sql/DriverManager.java: New file.
* java/sql/DriverPropertyInfo.java: New file.
* java/sql/PreparedStatement.java: New file.
* java/sql/ResultSet.java: New file.
* java/sql/ResultSetMetaData.java: New file.
* java/sql/SQLException.java: New file.
* java/sql/SQLWarning.java: New file.
* java/sql/Statement.java: New file.
* java/sql/Time.java: New file.
* java/sql/Timestamp.java: New file.
* java/sql/Types.java: New file.
* Makefile.am: Added above new files.
* Makefile.in: Rebuilt.
* mauve-libgcj: Turned on java.math, java.sql and java.security tests.
* java/net/MulticastSocket.java (MulticastSocket): Pass values a la
DatagramSocket constructor instead of null.
java.sql is JDK 1.1 Compliant
From-SVN: r33077
2000-04-08 Anthony Green <green@cygnus.com>
* java/lang/StringBuffer.java (ensureCapacity): Don't call Math::max.
(ensureCapacity_unsynchronized): New private method.
(append): Use ensureCapacity_unsynchronized.
From-SVN: r33036
* Makefile.in: Rebuilt.
* Makefile.am (awt_java_source_files): Added new files.
* java/awt/IllegalComponentStateException.java: New file.
* java/awt/ItemSelectable.java: New file.
* java/awt/event/WindowEvent.java: Finished.
* java/awt/event/TextEvent.java: Finished.
* java/awt/event/ContainerEvent.java: New file.
* java/awt/Component.java (getX, getY): New methods.
* java/awt/event/PaintEvent.java: New file.
* java/awt/event/MouseEvent.java: New file.
* java/awt/ActiveEvent.java: New file.
* java/awt/event/KeyEvent.java: Finished.
* java/awt/event/ItemEvent.java: New file.
* java/awt/Adjustable.java: New file.
* java/awt/event/InputMethodEvent.java: New file.
* java/awt/event/InputEvent.java: Finished.
* java/awt/event/FocusEvent.java: New file.
* java/awt/event/MouseMotionAdapter.java: New file.
* java/awt/event/MouseAdapter.java: New file.
* java/awt/event/KeyAdapter.java: New file.
* java/awt/event/FocusAdapter.java: New file.
* java/awt/event/ContainerAdapter.java: New file.
* java/awt/event/ComponentEvent.java: Finished.
* java/awt/event/AdjustmentEvent.java: New file.
* java/awt/event/ComponentAdapter.java: New file.
* java/awt/event/ActionEvent.java: Finished.
* java/awt/event/MouseMotionListener.java: New file.
* java/awt/event/MouseListener.java: New file.
* java/awt/event/ItemListener.java: New file.
* java/awt/event/InputMethodListener.java: New file.
* java/awt/event/ContainerListener.java: New file.
* java/awt/event/FocusListener.java: New file.
* java/awt/event/ComponentListener.java: New file.
* java/awt/event/AWTEventListener.java: New file.
* java/awt/event/AdjustmentListener.java: New file.
From-SVN: r33034
2000-04-08 Anthony Green <green@redhat.com>
* java/lang/natObject.cc (_Jv_MonitorEnter): Only perform null
check when we have to.
* gcj/array.h: Mark elements(JArray<T>& x) and elements(JArray<T>*
x) as `inline'.
* java/util/StringTokenizer.java: Minor optimization. Eliminates
one method call.
* java/util/Vector.java (VectorEnumeration.nextElement): Manually
inline hasMoreElements.
From-SVN: r33033
* Makefile.in: New #defines and friends for Thread.h.
* posix-threads.cc: (struct starter): Remove `object'.
(_Jv_CondWait): Use interruptable condition variables and new
recursive mutexes. New return codes on interrupt or non-ownership
of mutex.
(_Jv_CondNotify): Ditto.
(_Jv_CondNotifyAll): Ditto.
(_Jv_ThreadInterrupt): Set thread interrupt flag directly. Interrupt
the target thread by signaling its wait condition.
(_Jv_ThreadInitData): Set `thread_obj' in the thread data struct,
not the starter struct. Initialize wait_mutex and wait_cond.
(_Jv_MutexLock): New recursive mutex implementation. Moved from
posix-threads.h.
(_Jv_MutexUnlock): Ditto.
(really_start): Set info->data->thread from pthread_self() to work
around a race condition. Destroy wait_mutex and wait_cond when run()
returns.
* java/lang/Thread.java: (isInterrupted_): Renamed to overloaded
`isInterrupted(boolean)'. Clear interrupted flag if clear_flag is
set.
startable_flag: New private field.
(Thread): Initialize `startable_flag'.
(toString): Check for null thread group.
* java/lang/natThread.cc: (struct natThread): New fields
`join_mutex', `join_cond'. Removed fields `joiner', `next'.
(class locker): Removed.
(initialize_native): Initialize `join_cond' and `join_mutex'.
(interrupt): Now just calls _Jv_ThreadInterrupt().
(join): Simplified. Just wait on the target thread's join condition.
(finish_): Remove join list code. Unset thread group. Signal
potential joiners by notifying the dying threads join_cond.
(start): Check for illegal restarts.
* java/lang/natObject.cc: Check for return value of _Jv_CondWait and
act appropriatly.
* include/posix-threads.h: Remove all HAVE_RECURSIVE_MUTEX related
#defines and #ifdefs.
(struct _Jv_Thread_t): New fields `thread_obj', `wait_cond',
`wait_mutex', `next'.
(struct _Jv_ConditionVariable_t): Define as a struct instead of
directly mapping to pthread_cond_t.
(struct _Jv_Mutex_t): New recursive implementation.
(_Jv_PthreadCheckMonitor): Reimplemented. Simple `owner' check.
_Jv_HaveCondDestroy: Never define this for posix-threads.
(_Jv_CondNotify): Remove inline implementation(s), prototype instead.
(_Jv_CondNotifyAll): Ditto.
(_Jv_MutexLock): Ditto.
(_Jv_MutexUnlock): Ditto.
(_Jv_MutexInit): Changed to reflect new mutex implementation.
(_Jv_MutexDestroy): Ditto.
(_Jv_CondDestroy): Removed.
(_Jv_PthreadGetMutex): Removed.
* include/win32-threads.h: (_Jv_CondNotify): Guess _JV_NOT_OWNER on an
error. Add a FIXME about this.
(_Jv_CondNotifyAll): Ditto.
* win32-threads.cc: (_Jv_CondWait): Return 0 on a timeout. Guess
_JV_NOT_OWNER on other errors. Add FIXME.
From-SVN: r32773
2000-03-26 Tom Tromey <tromey@cygnus.com>
* java/lang/mprec.h: Use SIZEOF_VOID_P.
* interpret.cc: Use SIZEOF_VOID_P.
* include/java-cpool.h (_Jv_storeLong): Use SIZEOF_VOID_P.
(_Jv_loadLong): Likewise.
(_Jv_storeDouble): Likewise.
* configure: Rebuilt.
* configure.in: Check size of void*.
* resolve.cc (ncode): Use FFI_PREP_RAW_CLOSURE and FFI_RAW_SIZE.
2000-03-26 Hans Boehm <boehm@acm.org>
* include/java-cpool.h (_Jv_storeLong, _Jv_loadLong,
_Jv_storeDouble, _Jv_loadDouble): Define differently on 64 bit
machine.
* java/lang/ieeefp.h: Define __IEEE_BIG_ENDIAN or
__IEEE_LITTLE_ENDIAN appropriately on IA64.
* java/lang/mprec.h: Don't define Pack_32 on 64 bit machine.
* javaprims.h (_Jv_word): Added `l' and `d' entries in 64 bit
case.
* resolve.cc (FFI_PREP_RAW_CLOSURE): New define.
(FFI_RAW_SIZE): Likewise.
(_Jv_InterpMethod::ncode): Use them.
* interpret.cc (PUSHL, PUSHD, POPL, POPD, LOADL, LOADD, STOREL,
STORED): Define differently on a 64 bit machine.
(continue1): Use ffi_java_raw_call when appropriate.
From-SVN: r32754
* java/math/BigInteger.java(divide): Handle the special case when
dividing by 1 and the high bit of the dividend is set.
(setShiftRight): Handle case when count == 0.
From-SVN: r32724
2000-03-21 Bryce McKinlay <bryce@albatross.co.nz>
* java/lang/natClass.cc (isInstance): Initialize `this'.
(isAssignableFrom): Initialize `this' and `klass'.
(_Jv_IsAssignableFrom): If an interface has no idt, it is not
implemented by any loaded class, so return false.
From-SVN: r32663
Anthony Green
Mark Wielaard
Anthony Green
Tom Tromey
Alexandre Petit-Bianco
Rolf W. Rasmussen
Bryce McKinlay
Warren Levy
Bryce McKinlay
Oskar Liljeblad
Jeff Sturm
Andrew Haley
Tom Tromey
Anthony Green