7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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 org.graalvm.compiler.core.common.type;
26
27 /**
28 * A pair of stamp with one being the stamp that can be trusted and the other one being a guess that
29 * needs a dynamic check to be used.
30 */
31 public final class StampPair {
32
33 private final Stamp trustedStamp;
34 private final Stamp uncheckedStamp;
35
36 private StampPair(Stamp trustedStamp, Stamp uncheckedStamp) {
37 assert trustedStamp != null;
38 this.trustedStamp = trustedStamp;
39 this.uncheckedStamp = uncheckedStamp;
40 }
41
42 public static StampPair create(Stamp trustedStamp, Stamp uncheckedStamp) {
43 return new StampPair(trustedStamp, uncheckedStamp);
44 }
45
46 public static StampPair createSingle(Stamp stamp) {
47 return new StampPair(stamp, null);
48 }
49
50 public Stamp getUncheckedStamp() {
51 return uncheckedStamp;
52 }
53
54 public Stamp getTrustedStamp() {
55 return trustedStamp;
56 }
57
58 @Override
59 public String toString() {
60 if (uncheckedStamp == null) {
61 return trustedStamp.toString();
62 } else {
63 return trustedStamp + " (unchecked=" + uncheckedStamp + ")";
64 }
65 }
66 }
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7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
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 org.graalvm.compiler.core.common.type;
26
27 import java.util.Objects;
28
29 /**
30 * A pair of stamp with one being the stamp that can be trusted and the other one being a guess that
31 * needs a dynamic check to be used.
32 */
33 public final class StampPair {
34
35 private final Stamp trustedStamp;
36 private final Stamp uncheckedStamp;
37
38 private StampPair(Stamp trustedStamp, Stamp uncheckedStamp) {
39 assert trustedStamp != null;
40 this.trustedStamp = trustedStamp;
41 this.uncheckedStamp = uncheckedStamp;
42 }
43
44 public static StampPair create(Stamp trustedStamp, Stamp uncheckedStamp) {
45 return new StampPair(trustedStamp, uncheckedStamp);
46 }
47
48 public static StampPair createSingle(Stamp stamp) {
49 return new StampPair(stamp, null);
50 }
51
52 public Stamp getUncheckedStamp() {
53 return uncheckedStamp;
54 }
55
56 public Stamp getTrustedStamp() {
57 return trustedStamp;
58 }
59
60 @Override
61 public String toString() {
62 if (uncheckedStamp == null) {
63 return trustedStamp.toString();
64 } else {
65 return trustedStamp + " (unchecked=" + uncheckedStamp + ")";
66 }
67 }
68
69 @Override
70 public int hashCode() {
71 return trustedStamp.hashCode() + 11 + (uncheckedStamp != null ? uncheckedStamp.hashCode() : 0);
72
73 }
74
75 @Override
76 public boolean equals(Object obj) {
77 if (obj == this) {
78 return true;
79 }
80 if (obj instanceof StampPair) {
81 StampPair other = (StampPair) obj;
82 return trustedStamp.equals(other.trustedStamp) && Objects.equals(uncheckedStamp, other.uncheckedStamp);
83 }
84 return false;
85 }
86 }
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