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 } | 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 } |