/*
 
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.
 
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 
*
 
* This code is free software; you can redistribute it and/or modify it
 
* under the terms of the GNU General Public License version 2 only, as
 
* published by the Free Software Foundation.
  
Oracle designates this
 
* particular file as subject to the "Classpath" exception as provided
 
* by Oracle in the LICENSE file that accompanied this code.
 
*
 
* This code is distributed in the hope that it will be useful, but WITHOUT
 
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 
* FITNESS FOR A PARTICULAR PURPOSE.
  
See the GNU General Public License
 
* version 2 for more details (a copy is included in the LICENSE file that
 
* accompanied this code).
 
*
 
* You should have received a copy of the GNU General Public License version
 
* 2 along with this work; if not, write to the Free Software Foundation,
 
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 
*
 
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 
* or visit www.oracle.com if you need additional information or have any
 
* questions.
 
*/

package java.lang.reflect;

import java.lang.annotation.*;
import java.util.Map;
import java.util.Objects;
import sun.reflect.annotation.AnnotationParser;
import sun.reflect.annotation.AnnotationSupport;
import sun.reflect.annotation.TypeAnnotationParser;
import sun.reflect.annotation.TypeAnnotation;
import sun.reflect.generics.repository.ConstructorRepository;

/**
 
* A shared superclass for the common functionality of {@link Method}
 
* and {@link Constructor}.
 
*
 
* @since 1.8
 
*/

public abstract class Executable extends AccessibleObject
    
implements Member, GenericDeclaration {
    
/*
     
* Only grant package-visibility to the constructor.
     
*/
    
Executable() {}

    
/**
     
* Accessor method to allow code sharing
     
*/
    
abstract byte[] getAnnotationBytes();

    
/**
     
* Accessor method to allow code sharing
     
*/
    
abstract Executable getRoot();

    
/**
     
* Does the Executable have generic information.
     
*/
    
abstract boolean hasGenericInformation();

    
abstract ConstructorRepository getGenericInfo();

    
boolean equalParamTypes(Class<?>[] params1, Class<?>[] params2) {
        
/* Avoid unnecessary cloning */
        
if (params1.length == params2.length) {
            
for (int i = 0; i < params1.length; i++) {
                
if (params1[i] != params2[i])
                    
return false;
            
}
            
return true;
        
}
        
return false;
    
}

    
Annotation[][] parseParameterAnnotations(byte[] parameterAnnotations) {
        
return AnnotationParser.parseParameterAnnotations(
               
parameterAnnotations,
               
sun.misc.SharedSecrets.getJavaLangAccess().
               
getConstantPool(getDeclaringClass()),
               
getDeclaringClass());
    
}

    
void separateWithCommas(Class<?>[] types, StringBuilder sb) {
        
for (int j = 0; j < types.length; j++) {
            
sb.append(types[j].getTypeName());
            
if (j < (types.length - 1))
                
sb.append(",");
        
}

    
}

    
void printModifiersIfNonzero(StringBuilder sb, int mask, boolean isDefault) {
        
int mod = getModifiers() & mask;

        
if (mod != 0 && !isDefault) {
            
sb.append(Modifier.toString(mod)).append(' ');
        
} else {
            
int access_mod = mod & Modifier.ACCESS_MODIFIERS;
            
if (access_mod != 0)
                
sb.append(Modifier.toString(access_mod)).append(' ');
            
if (isDefault)
                
sb.append("default ");
            
mod = (mod & ~Modifier.ACCESS_MODIFIERS);
            
if (mod != 0)
                
sb.append(Modifier.toString(mod)).append(' ');
        
}
    
}

    
String sharedToString(int modifierMask,
                          
boolean isDefault,
                          
Class<?>[] parameterTypes,
                          
Class<?>[] exceptionTypes) {
        
try {
            
StringBuilder sb = new StringBuilder();

            
printModifiersIfNonzero(sb, modifierMask, isDefault);
            
specificToStringHeader(sb);

            
sb.append('(');
            
separateWithCommas(parameterTypes, sb);
            
sb.append(')');
            
if (exceptionTypes.length > 0) {
                
sb.append(" throws ");
                
separateWithCommas(exceptionTypes, sb);
            
}
            
return sb.toString();
        
} catch (Exception e) {
            
return "<" + e + ">";
        
}
    
}

    
/**
     
* Generate toString header information specific to a method or
     
* constructor.
     
*/

    
abstract void specificToStringHeader(StringBuilder sb);

    
String sharedToGenericString(int modifierMask, boolean isDefault) {
        
try {
            
StringBuilder sb = new StringBuilder();

            
printModifiersIfNonzero(sb, modifierMask, isDefault);

            
TypeVariable<?>[] typeparms = getTypeParameters();
            
if (typeparms.length > 0) {
                
boolean first = true;
                
sb.append('<');
                
for(TypeVariable<?> typeparm: typeparms) {
                    
if (!first)
                        
sb.append(',');
                    
// Class objects can't occur here; no need to test
                    
// and call Class.getName().
                    
sb.append(typeparm.toString());
                    
first = false;
                
}
                
sb.append("> ");
            
}

            
specificToGenericStringHeader(sb);

            
sb.append('(');
            
Type[] params = getGenericParameterTypes();
            
for (int j = 0; j < params.length; j++) {
                
String param = params[j].getTypeName();
                
if (isVarArgs() && (j == params.length - 1)) // replace T[] with T...
                    
param = param.replaceFirst("\\[\\]$", "...");
                
sb.append(param);
                
if (j < (params.length - 1))
                    
sb.append(',');
            
}
            
sb.append(')');
            
Type[] exceptions = getGenericExceptionTypes();
            
if (exceptions.length > 0) {
                
sb.append(" throws ");
                
for (int k = 0; k < exceptions.length; k++) {
                    
sb.append((exceptions[k] instanceof Class)?
                              
((Class)exceptions[k]).getName():
                              
exceptions[k].toString());
                    
if (k < (exceptions.length - 1))
                        
sb.append(',');
                
}
            
}
            
return sb.toString();
        
} catch (Exception e) {
            
return "<" + e + ">";
        
}
    
}

    
/**
     
* Generate toGenericString header information specific to a
     
* method or constructor.
     
*/

    
abstract void specificToGenericStringHeader(StringBuilder sb);

    
/**
     
* Returns the {@code Class} object representing the class or interface
     
* that declares the executable represented by this object.
     
*/

    
public abstract Class<?> getDeclaringClass();

    
/**
     
* Returns the name of the executable represented by this object.
     
*/
    
public abstract String getName();

    
/**
     
* Returns the Java language {@linkplain Modifier modifiers} for
     
* the executable represented by this object.
     
*/

    
public abstract int getModifiers();

    
/**
     
* Returns an array of {@code TypeVariable} objects that represent the
     
* type variables declared by the generic declaration represented by this
     
* {@code GenericDeclaration} object, in declaration order.
  
Returns an
     
* array of length 0 if the underlying generic declaration declares no type
     
* variables.
     
*
     
* @return an array of {@code TypeVariable} objects that represent
     
*the type variables declared by this generic declaration
     
* @throws GenericSignatureFormatError if the generic
     
*signature of this generic declaration does not conform to
     
*the format specified in
     
*<cite>The Java&trade; Virtual Machine Specification</cite>
     
*/

    
public abstract TypeVariable<?>[] getTypeParameters();

    
/**
     
* Returns an array of {@code Class} objects that represent the formal
     
* parameter types, in declaration order, of the executable
     
* represented by this object.
  
Returns an array of length
     
* 0 if the underlying executable takes no parameters.
     
*
     
* @return the parameter types for the executable this object
     
* represents
     
*/

    
public abstract Class<?>[] getParameterTypes();

    
/**
     
* Returns the number of formal parameters (whether explicitly
     
* declared or implicitly declared or neither) for the executable
     
* represented by this object.
     
*
     
* @return The number of formal parameters for the executable this
     
* object represents
     
*/

    
public int getParameterCount() {
        
throw new AbstractMethodError();
    
}

    
/**
     
* Returns an array of {@code Type} objects that represent the formal
     
* parameter types, in declaration order, of the executable represented by
     
* this object. Returns an array of length 0 if the
     
* underlying executable takes no parameters.
     
*
     
* <p>If a formal parameter type is a parameterized type,
     
* the {@code Type} object returned for it must accurately reflect
     
* the actual type parameters used in the source code.
     
*
     
* <p>If a formal parameter type is a type variable or a parameterized
     
* type, it is created. Otherwise, it is resolved.
     
*
     
* @return an array of {@code Type}s that represent the formal
     
*parameter types of the underlying executable, in declaration order
     
* @throws GenericSignatureFormatError
     
*if the generic method signature does not conform to the format
     
*specified in
     
*<cite>The Java&trade; Virtual Machine Specification</cite>
     
* @throws TypeNotPresentException if any of the parameter
     
*types of the underlying executable refers to a non-existent type
     
*declaration
     
* @throws MalformedParameterizedTypeException if any of
     
*the underlying executable's parameter types refer to a parameterized
     
*type that cannot be instantiated for any reason
     
*/

    
public Type[] getGenericParameterTypes() {
        
if (hasGenericInformation())
            
return getGenericInfo().getParameterTypes();
        
else
            
return
getParameterTypes();
    
}

    
/**
     
* Behaves like {@code getGenericParameterTypes}, but returns type
     
* information for all parameters, including synthetic parameters.
     
*/

    
Type[] getAllGenericParameterTypes() {
        
final boolean genericInfo = hasGenericInformation();

        
// Easy case: we don't have generic parameter information.
  
In
        
// this case, we just return the result of
        
// getParameterTypes().
        
if (!genericInfo) {
            
return getParameterTypes();
        
} else {
            
final boolean realParamData = hasRealParameterData();
            
final Type[] genericParamTypes = getGenericParameterTypes();
            
final Type[] nonGenericParamTypes = getParameterTypes();
            
final Type[] out = new Type[nonGenericParamTypes.length];
            
final Parameter[] params = getParameters();
            
int fromidx = 0;
            
// If we have real parameter data, then we use the
            
// synthetic and mandate flags to our advantage.
            
if (realParamData) {
                
for (int i = 0; i < out.length; i++) {
                    
final Parameter param = params[i];
                    
if (param.isSynthetic() || param.isImplicit()) {
                        
// If we hit a synthetic or mandated parameter,
                        
// use the non generic parameter info.
                        
out[i] = nonGenericParamTypes[i];
                    
} else {
                        
// Otherwise, use the generic parameter info.
                        
out[i] = genericParamTypes[fromidx];
                        
fromidx++;
                    
}
                
}
            
} else {
                
// Otherwise, use the non-generic parameter data.
                
// Without method parameter reflection data, we have
                
// no way to figure out which parameters are
                
// synthetic/mandated, thus, no way to match up the
                
// indexes.
                
return genericParamTypes.length == nonGenericParamTypes.length ?
                    
genericParamTypes : nonGenericParamTypes;
            
}
            
return out;
        
}
    
}

    
/**
     
* Returns an array of {@code Parameter} objects that represent
     
* all the parameters to the underlying executable represented by
     
* this object.
  
Returns an array of length 0 if the executable
     
* has no parameters.
     
*
     
* <p>The parameters of the underlying executable do not necessarily
     
* have unique names, or names that are legal identifiers in the
     
* Java programming language (JLS 3.8).
     
*
     
* @throws MalformedParametersException if the class file contains
     
* a MethodParameters attribute that is improperly formatted.
     
* @return an array of {@code Parameter} objects representing all
     
* the parameters to the executable this object represents.
     
*/

    
public Parameter[] getParameters() {
        
// TODO: This may eventually need to be guarded by security
        
// mechanisms similar to those in Field, Method, etc.
        
//
        
// Need to copy the cached array to prevent users from messing
        
// with it.
  
Since parameters are immutable, we can
        
// shallow-copy.
        
return privateGetParameters().clone();
    
}

    
private Parameter[] synthesizeAllParams() {
        
final int realparams = getParameterCount();
        
final Parameter[] out = new Parameter[realparams];
        
for (int i = 0; i < realparams; i++)
            
// TODO: is there a way to synthetically derive the
            
// modifiers?
  
Probably not in the general case, since
            
// we'd have no way of knowing about them, but there
            
// may be specific cases.
            
out[i] = new Parameter("arg" + i, 0, this, i);
        
return out;
    
}

    
private void verifyParameters(final Parameter[] parameters) {
        
final int mask = Modifier.FINAL | Modifier.SYNTHETIC | Modifier.MANDATED;

        
if (getParameterTypes().length != parameters.length)
            
throw new MalformedParametersException("Wrong number of parameters in MethodParameters attribute");

        
for (Parameter parameter : parameters) {
            
final String name = parameter.getRealName();
            
final int mods = parameter.getModifiers();

            
if (name != null) {
                
if (name.isEmpty() || name.indexOf('.') != -1 ||
                    
name.indexOf(';') != -1 || name.indexOf('[') != -1 ||
                    
name.indexOf('/') != -1) {
                    
throw new MalformedParametersException("Invalid parameter name \"" + name + "\"");
                
}
            
}

            
if (mods != (mods & mask)) {
                
throw new MalformedParametersException("Invalid parameter modifiers");
            
}
        
}
    
}

    
private Parameter[] privateGetParameters() {
        
// Use tmp to avoid multiple writes to a volatile.
        
Parameter[] tmp = parameters;

        
if (tmp == null) {

            
// Otherwise, go to the JVM to get them
            
try {
                
tmp = getParameters0();
            
} catch(IllegalArgumentException e) {
                
// Rethrow ClassFormatErrors
                
throw new MalformedParametersException("Invalid constant pool index");
            
}

            
// If we get back nothing, then synthesize parameters
            
if (tmp == null) {
                
hasRealParameterData = false;
                
tmp = synthesizeAllParams();
            
} else {
                
hasRealParameterData = true;
                
verifyParameters(tmp);
            
}

            
parameters = tmp;
        
}

        
return tmp;
    
}

    
boolean hasRealParameterData() {
        
// If this somehow gets called before parameters gets
        
// initialized, force it into existence.
        
if (parameters == null) {
            
privateGetParameters();
        
}
        
return hasRealParameterData;
    
}

    
private transient volatile boolean hasRealParameterData;
    
private transient volatile Parameter[] parameters;

    
private native Parameter[] getParameters0();
    
native byte[] getTypeAnnotationBytes0();

    
// Needed by reflectaccess
    
byte[] getTypeAnnotationBytes() {
        
return getTypeAnnotationBytes0();
    
}

    
/**
     
* Returns an array of {@code Class} objects that represent the
     
* types of exceptions declared to be thrown by the underlying
     
* executable represented by this object.
  
Returns an array of
     
* length 0 if the executable declares no exceptions in its {@code
     
* throws} clause.
     
*
     
* @return the exception types declared as being thrown by the
     
* executable this object represents
     
*/

    
public abstract Class<?>[] getExceptionTypes();

    
/**
     
* Returns an array of {@code Type} objects that represent the
     
* exceptions declared to be thrown by this executable object.
     
* Returns an array of length 0 if the underlying executable declares
     
* no exceptions in its {@code throws} clause.
     
*
     
* <p>If an exception type is a type variable or a parameterized
     
* type, it is created. Otherwise, it is resolved.
     
*
     
* @return an array of Types that represent the exception types
     
*thrown by the underlying executable
     
* @throws GenericSignatureFormatError
     
*if the generic method signature does not conform to the format
     
*specified in
     
*<cite>The Java&trade; Virtual Machine Specification</cite>
     
* @throws TypeNotPresentException if the underlying executable's
     
*{@code throws} clause refers to a non-existent type declaration
     
* @throws MalformedParameterizedTypeException if
     
*the underlying executable's {@code throws} clause refers to a
     
*parameterized type that cannot be instantiated for any reason
     
*/

    
public Type[] getGenericExceptionTypes() {
        
Type[] result;
        
if (hasGenericInformation() &&
            
((result = getGenericInfo().getExceptionTypes()).length > 0))
            
return result;
        
else
            
return
getExceptionTypes();
    
}

    
/**
     
* Returns a string describing this {@code Executable}, including
     
* any type parameters.
     
* @return a string describing this {@code Executable}, including
     
* any type parameters
     
*/

    
public abstract String toGenericString();

    
/**
     
* Returns {@code true} if this executable was declared to take a
     
* variable number of arguments; returns {@code false} otherwise.
     
*
     
* @return {@code true} if an only if this executable was declared
     
* to take a variable number of arguments.
     
*/

    
public boolean isVarArgs()
  
{
        
return (getModifiers() & Modifier.VARARGS) != 0;
    
}

    
/**
     
* Returns {@code true} if this executable is a synthetic
     
* construct; returns {@code false} otherwise.
     
*
     
* @return true if and only if this executable is a synthetic
     
* construct as defined by
     
* <cite>The Java&trade; Language Specification</cite>.
     
* @jls 13.1 The Form of a Binary
     
*/

    
public boolean isSynthetic() {
        
return Modifier.isSynthetic(getModifiers());
    
}

    
/**
     
* Returns an array of arrays of {@code Annotation}s that
     
* represent the annotations on the formal parameters, in
     
* declaration order, of the {@code Executable} represented by
     
* this object.
  
Synthetic and mandated parameters (see
     
* explanation below), such as the outer "this" parameter to an
     
* inner class constructor will be represented in the returned
     
* array.
  
If the executable has no parameters (meaning no formal,
     
* no synthetic, and no mandated parameters), a zero-length array
     
* will be returned.
  
If the {@code Executable} has one or more
     
* parameters, a nested array of length zero is returned for each
     
* parameter with no annotations. The annotation objects contained
     
* in the returned arrays are serializable.
  
The caller of this
     
* method is free to modify the returned arrays; it will have no
     
* effect on the arrays returned to other callers.
     
*
     
* A compiler may add extra parameters that are implicitly
     
* declared in source ("mandated"), as well as parameters that
     
* are neither implicitly nor explicitly declared in source
     
* ("synthetic") to the parameter list for a method.
  
See {@link
     
* java.lang.reflect.Parameter} for more information.
     
*
     
*
 

     
* @see java.lang.reflect.Parameter#getAnnotations
     
* @return an array of arrays that represent the annotations on
     
*
    
the formal and implicit parameters, in declaration order, of
     
*
    
the executable represented by this object
     
*/

    
public abstract Annotation[][] getParameterAnnotations();

    
Annotation[][] sharedGetParameterAnnotations(Class<?>[] parameterTypes,
                                                 
byte[] parameterAnnotations) {
        
int numParameters = parameterTypes.length;
        
if (parameterAnnotations == null)
            
return new Annotation[numParameters][0];

        
Annotation[][] result = parseParameterAnnotations(parameterAnnotations);

        
if (result.length != numParameters)
            
handleParameterNumberMismatch(result.length, numParameters);
        
return result;
    
}

    
abstract void handleParameterNumberMismatch(int resultLength, int numParameters);

    
/**
     
* {@inheritDoc}
     
* @throws NullPointerException
  
{@inheritDoc}
     
*/
    
public <T extends Annotation> T getAnnotation(Class<T> annotationClass) {
        
Objects.requireNonNull(annotationClass);
        
return annotationClass.cast(declaredAnnotations().get(annotationClass));
    
}

    
/**
     
* {@inheritDoc}
     
* @throws NullPointerException {@inheritDoc}
     
*/
    
@Override
    
public <T extends Annotation> T[] getAnnotationsByType(Class<T> annotationClass) {
        
Objects.requireNonNull(annotationClass);

        
return AnnotationSupport.getDirectlyAndIndirectlyPresent(declaredAnnotations(), annotationClass);
    
}

    
/**
     
* {@inheritDoc}
     
*/
    
public Annotation[] getDeclaredAnnotations()
  
{
        
return AnnotationParser.toArray(declaredAnnotations());
    
}

    
private transient Map<Class<? extends Annotation>, Annotation> declaredAnnotations;

    
private synchronized
  
Map<Class<? extends Annotation>, Annotation> declaredAnnotations() {
        
if (declaredAnnotations == null) {
            
Executable root = getRoot();
            
if (root != null) {
                
declaredAnnotations = root.declaredAnnotations();
            
} else {
                
declaredAnnotations = AnnotationParser.parseAnnotations(
                    
getAnnotationBytes(),
                    
sun.misc.SharedSecrets.getJavaLangAccess().
                    
getConstantPool(getDeclaringClass()),
                    
getDeclaringClass());
            
}
        
}
        
return declaredAnnotations;
    
}

    
/**
     
* Returns an {@code AnnotatedType} object that represents the use of a type to
     
* specify the return type of the method/constructor represented by this
     
* Executable.
     
*
     
* If this {@code Executable} object represents a constructor, the {@code
     
* AnnotatedType} object represents the type of the constructed object.
     
*
     
* If this {@code Executable} object represents a method, the {@code
     
* AnnotatedType} object represents the use of a type to specify the return
     
* type of the method.
     
*
     
* @return an object representing the return type of the method
     
* or constructor represented by this {@code Executable}
     
*/

    
public abstract AnnotatedType getAnnotatedReturnType();

    
/* Helper for subclasses of Executable.
     
*
     
* Returns an AnnotatedType object that represents the use of a type to
     
* specify the return type of the method/constructor represented by this
     
* Executable.
     
*/

    
AnnotatedType getAnnotatedReturnType0(Type returnType) {
        
return TypeAnnotationParser.buildAnnotatedType(getTypeAnnotationBytes0(),
                
sun.misc.SharedSecrets.getJavaLangAccess().
                        
getConstantPool(getDeclaringClass()),
                
this,
                
getDeclaringClass(),
                
returnType,
                
TypeAnnotation.TypeAnnotationTarget.METHOD_RETURN);
    
}

    
/**
     
* Returns an {@code AnnotatedType} object that represents the use of a
     
* type to specify the receiver type of the method/constructor represented
     
* by this Executable object. The receiver type of a method/constructor is
     
* available only if the method/constructor has a <em>receiver
     
* parameter</em> (JLS 8.4.1).
     
*
     
* If this {@code Executable} object represents a constructor or instance
     
* method that does not have a receiver parameter, or has a receiver
     
* parameter with no annotations on its type, then the return value is an
     
* {@code AnnotatedType} object representing an element with no
     
* annotations.
     
*
     
* If this {@code Executable} object represents a static method, then the
     
* return value is null.
     
*
     
* @return an object representing the receiver type of the method or
     
* constructor represented by this {@code Executable}
     
*/

    
public AnnotatedType getAnnotatedReceiverType() {
        
if (Modifier.isStatic(this.getModifiers()))
            
return null;
        
return TypeAnnotationParser.buildAnnotatedType(getTypeAnnotationBytes0(),
                
sun.misc.SharedSecrets.getJavaLangAccess().
                        
getConstantPool(getDeclaringClass()),
                
this,
                
getDeclaringClass(),
                
getDeclaringClass(),
                
TypeAnnotation.TypeAnnotationTarget.METHOD_RECEIVER);
    
}

    
/**
     
* Returns an array of {@code AnnotatedType} objects that represent the use
     
* of types to specify formal parameter types of the method/constructor
     
* represented by this Executable. The order of the objects in the array
     
* corresponds to the order of the formal parameter types in the
     
* declaration of the method/constructor.
     
*
     
* Returns an array of length 0 if the method/constructor declares no
     
* parameters.
     
*
     
* @return an array of objects representing the types of the
     
* formal parameters of the method or constructor represented by this
     
* {@code Executable}
     
*/

    
public AnnotatedType[] getAnnotatedParameterTypes() {
        
return TypeAnnotationParser.buildAnnotatedTypes(getTypeAnnotationBytes0(),
                
sun.misc.SharedSecrets.getJavaLangAccess().
                        
getConstantPool(getDeclaringClass()),
                
this,
                
getDeclaringClass(),
                
getAllGenericParameterTypes(),
                
TypeAnnotation.TypeAnnotationTarget.METHOD_FORMAL_PARAMETER);
    
}

    
/**
     
* Returns an array of {@code AnnotatedType} objects that represent the use
     
* of types to specify the declared exceptions of the method/constructor
     
* represented by this Executable. The order of the objects in the array
     
* corresponds to the order of the exception types in the declaration of
     
* the method/constructor.
     
*
     
* Returns an array of length 0 if the method/constructor declares no
     
* exceptions.
     
*
     
* @return an array of objects representing the declared
     
* exceptions of the method or constructor represented by this {@code
     
* Executable}
     
*/

    
public AnnotatedType[] getAnnotatedExceptionTypes() {
        
return TypeAnnotationParser.buildAnnotatedTypes(getTypeAnnotationBytes0(),
                
sun.misc.SharedSecrets.getJavaLangAccess().
                        
getConstantPool(getDeclaringClass()),
                
this,
                
getDeclaringClass(),
                
getGenericExceptionTypes(),
                
TypeAnnotation.TypeAnnotationTarget.THROWS);
    
}

}