AbstractGraphicsState.java (clone): Handle CloneNotSupportedException.

2003-07-20  Anthony Green  <green@redhat.com>

	* gnu/awt/j2d/AbstractGraphicsState.java (clone): Handle
	CloneNotSupportedException.
	* gnu/gcj/xlib/WindowAttributes.java (clone): Ditto.
	* gnu/gcj/xlib/WMSizeHints.java (clone): Ditto.
	* gnu/gcj/xlib/GC.java (clone): Ditto.
	* gnu/awt/xlib/XGraphics.java (clone): Ditto.
	* gnu/awt/j2d/Graphics2DImpl.java (clone): Ditto.

	* gnu/awt/xlib/XEventLoop.java (postNextEvent): Remove unreachable
	handler.
	* gnu/gcj/runtime/NameFinder.java (NameFinder): Ditto.

From-SVN: r69623

libjava/gnu/awt/j2d/AbstractGraphicsState.java

@@ -128,6 +128,14 @@ public abstract class AbstractGraphicsState implements Cloneable
 
   public Object clone ()
   {
-    return super.clone ();
+    try
+      {
+	return super.clone ();
+      }
+    catch (CloneNotSupportedException ex)
+      {
+	// This should never happen.
+	throw new InternalError ();
+      }
   }
 }

libjava/gnu/awt/j2d/Graphics2DImpl.java

@@ -105,12 +105,20 @@ public class Graphics2DImpl extends Graphics2D implements Cloneable
     
   public Object clone()
   {
-    Graphics2DImpl gfxCopy = (Graphics2DImpl) super.clone();
-    AbstractGraphicsState stateCopy =
-      (AbstractGraphicsState) state.clone();
-    gfxCopy.setState(stateCopy);
-    
-    return gfxCopy;
+    try
+      {
+	Graphics2DImpl gfxCopy = (Graphics2DImpl) super.clone();
+	AbstractGraphicsState stateCopy =
+	  (AbstractGraphicsState) state.clone();
+	gfxCopy.setState(stateCopy);
+	
+	return gfxCopy;
+      }
+    catch (CloneNotSupportedException ex)
+      {
+	// This should never happen.
+	throw new InternalError ();
+      }
   }
 
 

libjava/gnu/awt/xlib/XEventLoop.java

@@ -48,17 +48,8 @@ public class XEventLoop implements Runnable
 
   void postNextEvent()
   {
-    try
-      {
-	AWTEvent evt = getNextEvent();
-	queue.postEvent(evt);
-	
-      }
-    catch (InterruptedException ie)
-      {
-	// FIXME: what now?
-	System.err.println(ie);
-      }
+    AWTEvent evt = getNextEvent();
+    queue.postEvent(evt);
   }
     
   /** get next event. Will block until events become available. */

libjava/gnu/awt/xlib/XGraphics.java

@@ -46,10 +46,18 @@ public class XGraphics implements Cloneable, DirectRasterGraphics
 
   public Object clone()
   {
-    XGraphics gfxCopy = (XGraphics) super.clone();
-    gfxCopy.context = context.create();
-    
-    return gfxCopy;
+    try
+      {
+	XGraphics gfxCopy = (XGraphics) super.clone();
+	gfxCopy.context = context.create();
+	
+	return gfxCopy;
+      }
+    catch (CloneNotSupportedException ex)
+      {
+	// This should never happen.
+	throw new InternalError ();
+      }
   }
 
   public void dispose()

libjava/gnu/gcj/runtime/NameFinder.java

@@ -154,18 +154,10 @@ public class NameFinder
 
 	if (addr2line != null)
 	  {
-	    try
-	      {
-		addr2lineIn = new BufferedReader
-			(new InputStreamReader(addr2line.getInputStream()));
-		addr2lineOut = new BufferedWriter
-			(new OutputStreamWriter(addr2line.getOutputStream()));
-	      }
-	    catch (IOException ioe)
-	      {  
-		addr2line.destroy();
-		addr2line = null;
-	      }
+	    addr2lineIn = new BufferedReader
+	      (new InputStreamReader(addr2line.getInputStream()));
+	    addr2lineOut = new BufferedWriter
+	      (new OutputStreamWriter(addr2line.getOutputStream()));
 	  }
       }
   }

libjava/gnu/gcj/xlib/GC.java

@@ -36,15 +36,23 @@ public class GC implements Cloneable
    */
   public Object clone()
   {
-    GC gcClone = target.getGCFromCache ();
-    if (gcClone==null)
-    {
-      gcClone = (GC) super.clone();
-      gcClone.structure = null;
-    }
-    gcClone.initStructure(this);
-    gcClone.updateClip();
-    return gcClone;
+    try
+      {
+	GC gcClone = target.getGCFromCache ();
+	if (gcClone==null)
+	  {
+	    gcClone = (GC) super.clone();
+	    gcClone.structure = null;
+	  }
+	gcClone.initStructure(this);
+	gcClone.updateClip();
+	return gcClone;
+      } 
+    catch (CloneNotSupportedException ex)
+      {
+	// This should never happen.
+	throw new InternalError ();
+      }
   }
 
   private native void initStructure(GC copyFrom);

libjava/gnu/gcj/xlib/WMSizeHints.java

@@ -27,12 +27,20 @@ public class WMSizeHints implements Cloneable
   protected native void finalize();
 
   public Object clone() {
-    WMSizeHints hints = (WMSizeHints) super.clone();
-    // In case of an exception before the stucture is copied.
-    hints.structure = null;
-
-    hints.init(this);
-    return hints;
+    try
+      {
+	WMSizeHints hints = (WMSizeHints) super.clone();
+	// In case of an exception before the stucture is copied.
+	hints.structure = null;
+	
+	hints.init(this);
+	return hints;
+      }
+    catch (CloneNotSupportedException ex)
+      {
+	// This should never happen.
+	throw new InternalError ();
+      }
   }
 
   public native void applyNormalHints(Window window);

libjava/gnu/gcj/xlib/WindowAttributes.java

@@ -43,15 +43,23 @@ public class WindowAttributes
     
   public Object clone()
   {
-    WindowAttributes attributes = (WindowAttributes) super.clone();
-    // In case of an exception before the stucture is copied.
-    attributes.in  = null;
-    attributes.out = null;
-    
-    // FIXME: do anything else?
+    try
+      {
+	WindowAttributes attributes = (WindowAttributes) super.clone();
+	// In case of an exception before the stucture is copied.
+	attributes.in  = null;
+	attributes.out = null;
 	
-    attributes.init(this);
-    return attributes;
+	// FIXME: do anything else?
+	
+	attributes.init(this);
+	return attributes;
+      }
+    catch (CloneNotSupportedException ex)
+      {
+	// This should never happen.
+	throw new InternalError ();
+      }
   }
 
   public native void setBackground(long pixel);