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test/langtools/tools/javac/classfiles/InnerClasses/SyntheticClasses.java

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 33  *           java.base/jdk.internal.classfile.impl
 34  *  @compile SyntheticClasses.java
 35  *  @run main SyntheticClasses
 36  */
 37 
 38 import java.io.*;
 39 import java.util.*;
 40 import jdk.internal.classfile.*;
 41 import jdk.internal.classfile.attribute.*;
 42 
 43 public class SyntheticClasses {
 44 
 45     public static void main(String[] args) throws IOException {
 46         new SyntheticClasses().run();
 47     }
 48 
 49     private void run() throws IOException {
 50         File testClasses = new File(System.getProperty("test.classes"));
 51         for (File classFile : Objects.requireNonNull(testClasses.listFiles(f -> f.getName().endsWith(".class")))) {
 52             ClassModel cf = Classfile.of().parse(classFile.toPath());





 53             if (cf.thisClass().asInternalName().matches(".*\\$[0-9]+")) {
 54                 EnclosingMethodAttribute encl = cf.findAttribute(Attributes.ENCLOSING_METHOD).orElse(null);
 55                 if (encl != null) {
 56                     if (encl.enclosingMethodName().isPresent())
 57                         throw new IllegalStateException("Invalid EnclosingMethod.method: " +
 58                                                         encl.enclosingMethodName().get().stringValue() + ".");
 59                 }
 60             }
 61             InnerClassesAttribute attr = cf.findAttribute(Attributes.INNER_CLASSES).orElse(null);
 62             if (attr != null) {
 63                 for (InnerClassInfo info : attr.classes()) {
 64                     if (cf.majorVersion() < 51)
 65                         throw new IllegalStateException();
 66                     if (info.innerName().isEmpty() && info.outerClass().isPresent() )
 67                         throw new IllegalStateException("Invalid outer_class_info: " +
 68                                                         info.outerClass().get().asInternalName() +
 69                                                         "; inner_name is empty");
 70                 }
 71             }
 72         }

 33  *           java.base/jdk.internal.classfile.impl
 34  *  @compile SyntheticClasses.java
 35  *  @run main SyntheticClasses
 36  */
 37 
 38 import java.io.*;
 39 import java.util.*;
 40 import jdk.internal.classfile.*;
 41 import jdk.internal.classfile.attribute.*;
 42 
 43 public class SyntheticClasses {
 44 
 45     public static void main(String[] args) throws IOException {
 46         new SyntheticClasses().run();
 47     }
 48 
 49     private void run() throws IOException {
 50         File testClasses = new File(System.getProperty("test.classes"));
 51         for (File classFile : Objects.requireNonNull(testClasses.listFiles(f -> f.getName().endsWith(".class")))) {
 52             ClassModel cf = Classfile.of().parse(classFile.toPath());
 53             if ((cf.flags().flagsMask() & (Classfile.ACC_SYNTHETIC | Classfile.ACC_ABSTRACT)) == Classfile.ACC_SYNTHETIC) {
 54                 if ((cf.flags().flagsMask() & Classfile.ACC_IDENTITY) == 0) {
 55                     throw new IllegalStateException("Missing ACC_IDENTITY on synthetic concrete identity class: " + cf.thisClass().asInternalName());
 56                 }
 57             }
 58             if (cf.thisClass().asInternalName().matches(".*\\$[0-9]+")) {
 59                 EnclosingMethodAttribute encl = cf.findAttribute(Attributes.ENCLOSING_METHOD).orElse(null);
 60                 if (encl != null) {
 61                     if (encl.enclosingMethodName().isPresent())
 62                         throw new IllegalStateException("Invalid EnclosingMethod.method: " +
 63                                                         encl.enclosingMethodName().get().stringValue() + ".");
 64                 }
 65             }
 66             InnerClassesAttribute attr = cf.findAttribute(Attributes.INNER_CLASSES).orElse(null);
 67             if (attr != null) {
 68                 for (InnerClassInfo info : attr.classes()) {
 69                     if (cf.majorVersion() < 51)
 70                         throw new IllegalStateException();
 71                     if (info.innerName().isEmpty() && info.outerClass().isPresent() )
 72                         throw new IllegalStateException("Invalid outer_class_info: " +
 73                                                         info.outerClass().get().asInternalName() +
 74                                                         "; inner_name is empty");
 75                 }
 76             }
 77         }
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