58 import java.util.Iterator;

    58 import java.util.Iterator;

    59 import java.util.LinkedHashMap;

    59 import java.util.LinkedHashMap;

    60 import java.util.List;

    60 import java.util.List;

    61 import java.util.Map;

    61 import java.util.Map;

    62 import java.util.Set;

    62 import java.util.Set;

    63 import jdk.internal.org.objectweb.asm.ClassWriter;

    64 import jdk.internal.org.objectweb.asm.ClassWriter;

    64 import jdk.internal.org.objectweb.asm.Handle;

    65 import jdk.internal.org.objectweb.asm.Handle;

    65 import jdk.internal.org.objectweb.asm.Label;

    66 import jdk.internal.org.objectweb.asm.Label;

    66 import jdk.internal.org.objectweb.asm.Opcodes;

    67 import jdk.internal.org.objectweb.asm.Opcodes;

    67 import jdk.internal.org.objectweb.asm.Type;

    68 import jdk.internal.org.objectweb.asm.Type;

   132  * overrides would need to have two potentially different protection domains: one for class-based behavior and one for

   133  * overrides would need to have two potentially different protection domains: one for class-based behavior and one for

   133  * instance-based behavior; since Java classes can only belong to a single protection domain, this could not be

   134  * instance-based behavior; since Java classes can only belong to a single protection domain, this could not be

   134  * implemented securely.

   135  * implemented securely.

   135  */

   136  */

   136 final class JavaAdapterBytecodeGenerator {

   137 final class JavaAdapterBytecodeGenerator {

   137     private static final Type OBJECT_TYPE = Type.getType(Object.class);

   139     private static final Type OBJECT_TYPE = Type.getType(Object.class);

   138     private static final Type CLASS_TYPE  = Type.getType(Class.class);

   140     private static final Type CLASS_TYPE  = Type.getType(Class.class);

   139 

   141 

   140     static final String OBJECT_TYPE_NAME  = OBJECT_TYPE.getInternalName();

   142     static final String OBJECT_TYPE_NAME  = OBJECT_TYPE.getInternalName();

   141 

   144 

   142     static final String INIT = "<init>";

   145     static final String INIT = "<init>";

   143 

   146 

   144     static final String GLOBAL_FIELD_NAME = "global";

   147     static final String GLOBAL_FIELD_NAME = "global";

   145 

   148 

   170 

   173 

   171     private static final String METHOD_HANDLE_TYPE_DESCRIPTOR = METHOD_HANDLE_TYPE.getDescriptor();

   174     private static final String METHOD_HANDLE_TYPE_DESCRIPTOR = METHOD_HANDLE_TYPE.getDescriptor();

   172     private static final String GET_GLOBAL_METHOD_DESCRIPTOR = Type.getMethodDescriptor(OBJECT_TYPE);

   175     private static final String GET_GLOBAL_METHOD_DESCRIPTOR = Type.getMethodDescriptor(OBJECT_TYPE);

   173     private static final String GET_CLASS_METHOD_DESCRIPTOR = Type.getMethodDescriptor(CLASS_TYPE);

   176     private static final String GET_CLASS_METHOD_DESCRIPTOR = Type.getMethodDescriptor(CLASS_TYPE);

   174     private static final String EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR = Type.getMethodDescriptor(OBJECT_TYPE, OBJECT_TYPE);

   177     private static final String EXPORT_RETURN_VALUE_METHOD_DESCRIPTOR = Type.getMethodDescriptor(OBJECT_TYPE, OBJECT_TYPE);

   175     private static final String GET_CONVERTER_METHOD_DESCRIPTOR = Type.getMethodDescriptor(METHOD_HANDLE_TYPE, CLASS_TYPE);

   179     private static final String GET_CONVERTER_METHOD_DESCRIPTOR = Type.getMethodDescriptor(METHOD_HANDLE_TYPE, CLASS_TYPE);

   176     private static final String TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR = Type.getMethodDescriptor(Type.CHAR_TYPE, OBJECT_TYPE);

   180     private static final String TO_CHAR_PRIMITIVE_METHOD_DESCRIPTOR = Type.getMethodDescriptor(Type.CHAR_TYPE, OBJECT_TYPE);

   177     private static final String TO_STRING_METHOD_DESCRIPTOR = Type.getMethodDescriptor(STRING_TYPE, OBJECT_TYPE);

   181     private static final String TO_STRING_METHOD_DESCRIPTOR = Type.getMethodDescriptor(STRING_TYPE, OBJECT_TYPE);

   178 

   182 

   179     // Package used when the adapter can't be defined in the adaptee's package (either because it's sealed, or because

   183     // Package used when the adapter can't be defined in the adaptee's package (either because it's sealed, or because

   925             break;

   929             break;

   926         case Type.DOUBLE:

   930         case Type.DOUBLE:

   927             invokeValueOf(mv, "Double", 'D');

   931             invokeValueOf(mv, "Double", 'D');

   928             break;

   932             break;

   929         case Type.ARRAY:

   933         case Type.ARRAY:

   931         case Type.METHOD:

   934         case Type.METHOD:

   932             // Already boxed

   935             // Already boxed

   933             break;

   941             break;

   934         default:

   942         default:

   935             // Not expecting anything else (e.g. VOID)

   943             // Not expecting anything else (e.g. VOID)

   936             assert false;

   944             assert false;

   937             break;

   945             break;