8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.javap;
27
28 import java.lang.classfile.AccessFlags;
29 import java.lang.classfile.Attributes;
30 import java.lang.classfile.ClassFile;
31 import java.lang.classfile.ClassHierarchyResolver;
32 import java.lang.classfile.ClassModel;
33 import java.lang.classfile.ClassSignature;
34 import java.lang.classfile.FieldModel;
35 import java.lang.classfile.MethodModel;
36 import java.lang.classfile.MethodSignature;
37 import java.lang.classfile.Signature;
38 import java.lang.classfile.attribute.CodeAttribute;
39 import java.lang.classfile.attribute.SignatureAttribute;
40 import java.lang.classfile.constantpool.ClassEntry;
41 import java.lang.classfile.constantpool.ConstantValueEntry;
42 import java.lang.classfile.constantpool.PoolEntry;
43 import java.lang.constant.ClassDesc;
44 import java.lang.reflect.AccessFlag;
45 import java.lang.reflect.ClassFileFormatVersion;
46 import java.lang.reflect.Modifier;
47 import java.net.URI;
147 println("Last modified " + df.format(lm));
148 }
149 } else if (size > 0) {
150 println("Size " + size + " bytes");
151 }
152 if (digestName != null && digest != null) {
153 StringBuilder sb = new StringBuilder();
154 for (byte b: digest)
155 sb.append(String.format("%02x", b));
156 println(digestName + " checksum " + sb);
157 }
158 }
159
160 cm.findAttribute(Attributes.sourceFile()).ifPresent(sfa ->
161 println("Compiled from \"" + sfa.sourceFile().stringValue() + "\""));
162
163 if (options.sysInfo || options.verbose) {
164 indent(-1);
165 }
166
167 writeModifiers(getClassModifiers(cm.flags()));
168
169 if ((classModel.flags().flagsMask() & ACC_MODULE) != 0) {
170 var attr = classModel.findAttribute(Attributes.module());
171 if (attr.isPresent()) {
172 var modAttr = attr.get();
173 if ((modAttr.moduleFlagsMask() & ACC_OPEN) != 0) {
174 print("open ");
175 }
176 print("module ");
177 print(() -> modAttr.moduleName().name().stringValue());
178 if (modAttr.moduleVersion().isPresent()) {
179 print("@");
180 print(() -> modAttr.moduleVersion().get().stringValue());
181 }
182 } else {
183 // fallback for malformed class files
184 print("class ");
185 print(() -> getJavaName(classModel.thisClass().asInternalName()));
186 }
187 } else {
793 case '\r': return "\\r";
794 case '\\': return "\\\\";
795 case '\'': return "\\'";
796 case '\"': return "\\\"";
797 default: return String.format("\\u%04x", (int) c);
798 }
799 }
800
801 private Set<String> getClassModifiers(AccessFlags flags) {
802 var flagSet = flagsReportUnknown(flags, cffv());
803 Set<AccessFlag> set;
804 if (flagSet.contains(AccessFlag.INTERFACE)) {
805 set = EnumSet.copyOf(flagSet);
806 set.remove(AccessFlag.ABSTRACT);
807 } else {
808 set = flagSet;
809 }
810 return getModifiers(set);
811 }
812
813 private static Set<String> getModifiers(Set<AccessFlag> flags) {
814 Set<String> s = new LinkedHashSet<>();
815 for (var f : flags)
816 if (f.sourceModifier()) s.add(Modifier.toString(f.mask()));
817 return s;
818 }
819
820 private Set<String> getClassFlags(AccessFlags flags) {
821 return getFlags(flags.flagsMask(), flagsReportUnknown(flags, cffv()));
822 }
823
824 private static Set<String> getFlags(int mask, Set<AccessFlag> flags) {
825 Set<String> s = new LinkedHashSet<>();
826 for (var f: flags) {
827 s.add("ACC_" + f.name());
828 mask = mask & ~f.mask();
829 }
830 while (mask != 0) {
831 int bit = Integer.highestOneBit(mask);
832 s.add("0x" + Integer.toHexString(bit));
|
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.javap;
27
28 import com.sun.tools.javac.code.Source;
29
30 import java.lang.classfile.AccessFlags;
31 import java.lang.classfile.Attributes;
32 import java.lang.classfile.ClassFile;
33 import java.lang.classfile.ClassHierarchyResolver;
34 import java.lang.classfile.ClassModel;
35 import java.lang.classfile.ClassSignature;
36 import java.lang.classfile.FieldModel;
37 import java.lang.classfile.MethodModel;
38 import java.lang.classfile.MethodSignature;
39 import java.lang.classfile.Signature;
40 import java.lang.classfile.attribute.CodeAttribute;
41 import java.lang.classfile.attribute.SignatureAttribute;
42 import java.lang.classfile.constantpool.ClassEntry;
43 import java.lang.classfile.constantpool.ConstantValueEntry;
44 import java.lang.classfile.constantpool.PoolEntry;
45 import java.lang.constant.ClassDesc;
46 import java.lang.reflect.AccessFlag;
47 import java.lang.reflect.ClassFileFormatVersion;
48 import java.lang.reflect.Modifier;
49 import java.net.URI;
149 println("Last modified " + df.format(lm));
150 }
151 } else if (size > 0) {
152 println("Size " + size + " bytes");
153 }
154 if (digestName != null && digest != null) {
155 StringBuilder sb = new StringBuilder();
156 for (byte b: digest)
157 sb.append(String.format("%02x", b));
158 println(digestName + " checksum " + sb);
159 }
160 }
161
162 cm.findAttribute(Attributes.sourceFile()).ifPresent(sfa ->
163 println("Compiled from \"" + sfa.sourceFile().stringValue() + "\""));
164
165 if (options.sysInfo || options.verbose) {
166 indent(-1);
167 }
168
169 writeModifiers(getClassModifiers(cm.flags(), classModel.majorVersion(), classModel.minorVersion()));
170
171 if ((classModel.flags().flagsMask() & ACC_MODULE) != 0) {
172 var attr = classModel.findAttribute(Attributes.module());
173 if (attr.isPresent()) {
174 var modAttr = attr.get();
175 if ((modAttr.moduleFlagsMask() & ACC_OPEN) != 0) {
176 print("open ");
177 }
178 print("module ");
179 print(() -> modAttr.moduleName().name().stringValue());
180 if (modAttr.moduleVersion().isPresent()) {
181 print("@");
182 print(() -> modAttr.moduleVersion().get().stringValue());
183 }
184 } else {
185 // fallback for malformed class files
186 print("class ");
187 print(() -> getJavaName(classModel.thisClass().asInternalName()));
188 }
189 } else {
795 case '\r': return "\\r";
796 case '\\': return "\\\\";
797 case '\'': return "\\'";
798 case '\"': return "\\\"";
799 default: return String.format("\\u%04x", (int) c);
800 }
801 }
802
803 private Set<String> getClassModifiers(AccessFlags flags) {
804 var flagSet = flagsReportUnknown(flags, cffv());
805 Set<AccessFlag> set;
806 if (flagSet.contains(AccessFlag.INTERFACE)) {
807 set = EnumSet.copyOf(flagSet);
808 set.remove(AccessFlag.ABSTRACT);
809 } else {
810 set = flagSet;
811 }
812 return getModifiers(set);
813 }
814
815 private Set<String> getClassModifiers(AccessFlags flags, int majorVersion, int minorVersion) {
816 boolean previewClassFile = minorVersion == ClassFile.PREVIEW_MINOR_VERSION;
817 Set<AccessFlag> flagSet = flagsReportUnknown(flags, cffv());
818 if (flagSet.contains(AccessFlag.INTERFACE)) {
819 flagSet = EnumSet.copyOf(flagSet);
820 flagSet.remove(AccessFlag.ABSTRACT);
821 } else if (Source.isSupported(Source.Feature.VALUE_CLASSES, majorVersion) && previewClassFile) {
822 Set<String> classModifers = getModifiers(flagSet);
823 classModifers.add("value");
824 return classModifers;
825 }
826 return getModifiers(flagSet);
827 }
828
829 private static Set<String> getModifiers(Set<AccessFlag> flags) {
830 Set<String> s = new LinkedHashSet<>();
831 for (var f : flags)
832 if (f.sourceModifier()) s.add(Modifier.toString(f.mask()));
833 return s;
834 }
835
836 private Set<String> getClassFlags(AccessFlags flags) {
837 return getFlags(flags.flagsMask(), flagsReportUnknown(flags, cffv()));
838 }
839
840 private static Set<String> getFlags(int mask, Set<AccessFlag> flags) {
841 Set<String> s = new LinkedHashSet<>();
842 for (var f: flags) {
843 s.add("ACC_" + f.name());
844 mask = mask & ~f.mask();
845 }
846 while (mask != 0) {
847 int bit = Integer.highestOneBit(mask);
848 s.add("0x" + Integer.toHexString(bit));
|