10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.jvm.hotspot.runtime;
26
27 import java.util.*;
28
29 import sun.jvm.hotspot.debugger.*;
30
31 public class StackValueCollection {
32 private List list;
33
34 public StackValueCollection() { list = new ArrayList(); }
35 public StackValueCollection(int length) { list = new ArrayList(length); }
36
37 public void add(StackValue val) { list.add(val); }
38 public int size() { return list.size(); }
39 public boolean isEmpty() { return (size() == 0); }
40 public StackValue get(int i) { return (StackValue) list.get(i); }
41
42 // Get typed locals/expressions
43 // FIXME: must figure out whether word swapping is necessary on x86
44 public boolean booleanAt(int slot) { return (int)get(slot).getInteger() != 0; }
45 public byte byteAt(int slot) { return (byte) get(slot).getInteger(); }
46 public char charAt(int slot) { return (char) get(slot).getInteger(); }
47 public short shortAt(int slot) { return (short) get(slot).getInteger(); }
48 public int intAt(int slot) { return (int) get(slot).getInteger(); }
49 public long longAt(int slot) { return VM.getVM().buildLongFromIntsPD((int) get(slot).getInteger(),
50 (int) get(slot+1).getInteger()); }
51 public OopHandle oopHandleAt(int slot) { return get(slot).getObject(); }
52 public float floatAt(int slot) { return Float.intBitsToFloat(intAt(slot)); }
53 public double doubleAt(int slot) { return Double.longBitsToDouble(longAt(slot)); }
54 }
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 package sun.jvm.hotspot.runtime;
26
27 import java.util.*;
28
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.types.*;
31
32 public class StackValueCollection {
33 private List list;
34
35 public StackValueCollection() { list = new ArrayList(); }
36 public StackValueCollection(int length) { list = new ArrayList(length); }
37
38 public void add(StackValue val) { list.add(val); }
39 public int size() { return list.size(); }
40 public boolean isEmpty() { return (size() == 0); }
41 public StackValue get(int i) { return (StackValue) list.get(i); }
42
43 // Get typed locals/expressions
44 // FIXME: must figure out whether word swapping is necessary on x86
45 public boolean booleanAt(int slot) { return (int)get(slot).getInteger() != 0; }
46 public byte byteAt(int slot) { return (byte) get(slot).getInteger(); }
47 public char charAt(int slot) { return (char) get(slot).getInteger(); }
48 public short shortAt(int slot) { return (short) get(slot).getInteger(); }
49 public int intAt(int slot) { return (int) get(slot).getInteger(); }
50 public long longAt(int slot) { return VM.getVM().buildLongFromIntsPD((int) get(slot).getInteger(),
51 (int) get(slot+1).getInteger()); }
52
53 public OopHandle oopHandleAt(int slot) {
54 StackValue sv = get(slot);
55 if (sv.getType() == BasicType.getTConflict()) {
56 throw new WrongTypeException("Conflict type");
57 }
58 return sv.getObject();
59 }
60
61 public float floatAt(int slot) { return Float.intBitsToFloat(intAt(slot)); }
62 public double doubleAt(int slot) { return Double.longBitsToDouble(longAt(slot)); }
63 }
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