1 // Copyright 2004 Adam Megacz, see the COPYING file for licensing [GPL]
5 import org.ibex.util.*;
8 /** common superclass for all platforms that use GCJ to compile a native binary */
9 public abstract class GCJ extends Platform {
11 // static references to these classes ensure that the linker will include them
12 public static Object c1 = new gnu.java.locale.Calendar();
13 // public static Object[][] c1c = new gnu.java.locale.Calendar().getContents();
14 public static Object c2 = new java.util.GregorianCalendar();
15 public static Object c3n = new gnu.gcj.convert.Input_ASCII();
16 public static Object c4 = new gnu.gcj.convert.Input_UTF8();
17 public static Object c5 = new gnu.gcj.convert.Input_8859_1();
18 public static Object c6 = new gnu.java.locale.LocaleInformation();
19 public static Object c7 = new gnu.gcj.convert.Output_ASCII();
20 public static Object c8 = new gnu.java.locale.Calendar_en();
21 public static Object c9 = new gnu.java.locale.Calendar_en_US();
22 public static Object c10 = new gnu.gcj.protocol.http.Handler();
23 public static Object c11 = new gnu.gcj.protocol.jar.Handler();
25 protected native InputStream _getBuiltinInputStream();
27 protected native void _decodeJPEG(InputStream is, Picture p);
29 // FEATURE: This could be optimized (a lot) by using a custom hashtable
30 public final static class Retainer {
31 private static Hash table = new Hash();
32 private final static class Key {
34 public Key(Object o) { this.o = o; }
35 public int hashCode() { return o == null ? 0 : o.hashCode(); }
36 public boolean equals(Object o2) { return (o2 instanceof Key) && ((Key)o2).o == o; }
38 private final static class Entry {
40 public Entry() { inc(); }
41 public void inc() { refCount++; }
42 public boolean dec() { return --refCount == 0; }
44 public static synchronized void retain(Object o) {
46 Entry r = (Entry) table.get(k);
47 if(r == null) table.put(k,new Entry());
50 public static synchronized void release(Object o) {
52 Entry e = (Entry) table.get(k);
53 if(e == null) throw new Error("Retainer::Release on unknown object");
54 if(e.dec()) { table.remove(k); }