5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
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 package jdk.vm.ci.hotspot;
24
25 import static jdk.vm.ci.hotspot.HotSpotVMConfig.config;
26
27 import java.lang.annotation.Annotation;
28 import java.lang.reflect.Field;
29
30 import jdk.internal.vm.annotation.Stable;
31 import jdk.vm.ci.meta.JavaType;
32 import jdk.vm.ci.meta.ModifiersProvider;
33 import jdk.vm.ci.meta.ResolvedJavaType;
34
35 /**
36 * Represents a field in a HotSpot type.
37 */
38 class HotSpotResolvedJavaFieldImpl implements HotSpotResolvedJavaField {
39
40 private final HotSpotResolvedObjectTypeImpl holder;
41 private final String name;
42 private JavaType type;
43 private final int offset;
44
45 /**
46 * This value contains all flags as stored in the VM including internal ones.
47 */
48 private final int modifiers;
49
50 HotSpotResolvedJavaFieldImpl(HotSpotResolvedObjectTypeImpl holder, String name, JavaType type, long offset, int modifiers) {
51 this.holder = holder;
52 this.name = name;
64 }
65 if (obj instanceof HotSpotResolvedJavaField) {
66 HotSpotResolvedJavaFieldImpl that = (HotSpotResolvedJavaFieldImpl) obj;
67 if (that.offset != this.offset || that.isStatic() != this.isStatic()) {
68 return false;
69 } else if (this.holder.equals(that.holder)) {
70 assert this.name.equals(that.name) && this.type.equals(that.type);
71 return true;
72 }
73 }
74 return false;
75 }
76
77 @Override
78 public int hashCode() {
79 return name.hashCode();
80 }
81
82 @Override
83 public int getModifiers() {
84 return modifiers & ModifiersProvider.jvmFieldModifiers();
85 }
86
87 @Override
88 public boolean isInternal() {
89 return (modifiers & config().jvmAccFieldInternal) != 0;
90 }
91
92 /**
93 * Determines if a given object contains this field.
94 *
95 * @return true iff this is a non-static field and its declaring class is assignable from
96 * {@code object}'s class
97 */
98 public boolean isInObject(Object object) {
99 if (isStatic()) {
100 return false;
101 }
102 return getDeclaringClass().isAssignableFrom(HotSpotResolvedObjectTypeImpl.fromObjectClass(object.getClass()));
103 }
104
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5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
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 package jdk.vm.ci.hotspot;
24
25 import static jdk.vm.ci.hotspot.HotSpotModifiers.jvmFieldModifiers;
26 import static jdk.vm.ci.hotspot.HotSpotVMConfig.config;
27
28 import java.lang.annotation.Annotation;
29 import java.lang.reflect.Field;
30
31 import jdk.internal.vm.annotation.Stable;
32 import jdk.vm.ci.meta.JavaType;
33 import jdk.vm.ci.meta.ResolvedJavaType;
34
35 /**
36 * Represents a field in a HotSpot type.
37 */
38 class HotSpotResolvedJavaFieldImpl implements HotSpotResolvedJavaField {
39
40 private final HotSpotResolvedObjectTypeImpl holder;
41 private final String name;
42 private JavaType type;
43 private final int offset;
44
45 /**
46 * This value contains all flags as stored in the VM including internal ones.
47 */
48 private final int modifiers;
49
50 HotSpotResolvedJavaFieldImpl(HotSpotResolvedObjectTypeImpl holder, String name, JavaType type, long offset, int modifiers) {
51 this.holder = holder;
52 this.name = name;
64 }
65 if (obj instanceof HotSpotResolvedJavaField) {
66 HotSpotResolvedJavaFieldImpl that = (HotSpotResolvedJavaFieldImpl) obj;
67 if (that.offset != this.offset || that.isStatic() != this.isStatic()) {
68 return false;
69 } else if (this.holder.equals(that.holder)) {
70 assert this.name.equals(that.name) && this.type.equals(that.type);
71 return true;
72 }
73 }
74 return false;
75 }
76
77 @Override
78 public int hashCode() {
79 return name.hashCode();
80 }
81
82 @Override
83 public int getModifiers() {
84 return modifiers & jvmFieldModifiers();
85 }
86
87 @Override
88 public boolean isInternal() {
89 return (modifiers & config().jvmAccFieldInternal) != 0;
90 }
91
92 /**
93 * Determines if a given object contains this field.
94 *
95 * @return true iff this is a non-static field and its declaring class is assignable from
96 * {@code object}'s class
97 */
98 public boolean isInObject(Object object) {
99 if (isStatic()) {
100 return false;
101 }
102 return getDeclaringClass().isAssignableFrom(HotSpotResolvedObjectTypeImpl.fromObjectClass(object.getClass()));
103 }
104
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