private String getLambdaAccessMethodDesc(Handle implMethod) {
if (implMethod.getTag() == H_INVOKESTATIC) {
// static method call -> keep as-is
return implMethod.getDesc();
} else if (implMethod.getTag() == H_NEWINVOKESPECIAL) {
// constructor call -> change to a a factory method
return Types.changeReturnType(
Type.getObjectType(implMethod.getOwner()), implMethod.getDesc());
} else {
// instance method call -> change to a static method
return Types.prependArgumentType(Type.getObjectType(className), implMethod.getDesc());
}
}
/**
* Full constructor
*
* @param serializedLambda the fully {@link SerializedLambda} carrying all the required info.
*/
public SerializedLambdaInfo(final SerializedLambda serializedLambda) {
this(
Type.getObjectType(serializedLambda.getImplClass()).getClassName(),
serializedLambda.getImplMethodName(),
serializedLambda.getImplMethodSignature(),
getCapturedArguments(serializedLambda));
}
/* (non-Javadoc)
* @see edu.umd.cs.findbugs.ba.INullnessAnnotationDatabase#addDefaultAnnotation(java.lang.String, java.lang.String, edu.umd.cs.findbugs.ba.NullnessAnnotation)
*/
public void addDefaultAnnotation(Target target, String c, NullnessAnnotation n) {
if (DEBUG) {
System.out.println("addDefaultAnnotation: target=" + target + ", c=" + c + ", n=" + n);
}
ClassDescriptor classDesc =
DescriptorFactory.instance().getClassDescriptorForDottedClassName(c);
ClassInfo xclass;
// Get the XClass (really a ClassInfo object)
try {
xclass = (ClassInfo) Global.getAnalysisCache().getClassAnalysis(XClass.class, classDesc);
} catch (MissingClassException e) {
//
// AnalysisContext.currentAnalysisContext().getLookupFailureCallback().reportMissingClass(e.getClassDescriptor());
return;
} catch (CheckedAnalysisException e) {
// AnalysisContext.logError("Error adding built-in nullness annotation", e);
return;
}
if (n == NullnessAnnotation.NONNULL && target == AnnotationDatabase.Target.PARAMETER) {
xclass.addAnnotation(new AnnotationValue(PARAMETERS_ARE_NONNULL_BY_DEFAULT));
return;
} else if (n == NullnessAnnotation.NONNULL && target == AnnotationDatabase.Target.METHOD) {
xclass.addAnnotation(new AnnotationValue(RETURN_VALUES_ARE_NONNULL_BY_DEFAULT));
return;
}
// Get the default annotation type
ClassDescriptor defaultAnnotationType;
if (target == AnnotationDatabase.Target.ANY) {
defaultAnnotationType = FindBugsDefaultAnnotations.DEFAULT_ANNOTATION;
} else if (target == AnnotationDatabase.Target.FIELD) {
defaultAnnotationType = FindBugsDefaultAnnotations.DEFAULT_ANNOTATION_FOR_FIELDS;
} else if (target == AnnotationDatabase.Target.METHOD) {
defaultAnnotationType = FindBugsDefaultAnnotations.DEFAULT_ANNOTATION_FOR_METHODS;
} else if (target == AnnotationDatabase.Target.PARAMETER) {
defaultAnnotationType = FindBugsDefaultAnnotations.DEFAULT_ANNOTATION_FOR_PARAMETERS;
} else {
throw new IllegalArgumentException("Unknown target for default annotation: " + target);
}
// Get the JSR-305 nullness annotation type
ClassDescriptor nullnessAnnotationType = getNullnessAnnotationClassDescriptor(n);
// Construct an AnnotationValue containing the default annotation
AnnotationValue annotationValue = new AnnotationValue(defaultAnnotationType);
AnnotationVisitor v = annotationValue.getAnnotationVisitor();
v.visit("value", Type.getObjectType(nullnessAnnotationType.getClassName()));
v.visitEnd();
if (DEBUG) {
System.out.println("Adding AnnotationValue " + annotationValue + " to class " + xclass);
}
// Destructively add the annotation to the ClassInfo object
xclass.addAnnotation(annotationValue);
}
private InsnList generateInvokeDynamicConstructor(String name, String owner, String desc) {
InsnList insnList = new InsnList();
Handle methodHandle =
new Handle(
Opcodes.H_INVOKESTATIC, BOOTSTRAP_CLASS, "dynvokeConstructor", BOOTSTRAP_SIGNATURE);
String descReceiver =
Type.getMethodDescriptor(Type.getObjectType(owner), Type.getArgumentTypes(desc));
insnList.add(new InvokeDynamicInsnNode(owner + "." + name, descReceiver, methodHandle, ""));
return insnList;
}
@Override
public void visit(
int version,
int access,
String name,
String signature,
String superName,
String[] interfaces) {
this.className = Type.getObjectType(name).getClassName();
this.access = access;
}
@Override
public BasicValue newOperation(AbstractInsnNode insn) throws AnalyzerException {
switch (insn.getOpcode()) {
case ACONST_NULL:
return new TaggedValue(Type.getObjectType("null"), Tag.NULL);
case NEW:
analyzer.incrNewOperationCounters(topLevelMethod);
// make new objects a tagged value to have possibility to tag an
// input container later
return new TaggedValue(Type.getObjectType(((TypeInsnNode) insn).desc));
// tag "int"-like constants
case BIPUSH:
case SIPUSH:
final IntInsnNode intInsn = (IntInsnNode) insn;
return new TaggedValue(intInsn.operand);
case LDC:
final Object cst = ((LdcInsnNode) insn).cst;
if (cst instanceof Integer) {
return new TaggedValue((Integer) cst);
}
return super.newOperation(insn);
case ICONST_M1:
return new TaggedValue(-1);
case ICONST_0:
return new TaggedValue(0);
case ICONST_1:
return new TaggedValue(1);
case ICONST_2:
return new TaggedValue(2);
case ICONST_3:
return new TaggedValue(3);
case ICONST_4:
return new TaggedValue(4);
case ICONST_5:
return new TaggedValue(5);
default:
return super.newOperation(insn);
}
}
public static ClassMetadata scan(ClassReader source) {
ClassMetadata info = new ClassMetadata();
source.accept(new MetaScanner(info), 0);
info.type = Type.getObjectType(source.getClassName());
for (FieldDescriptor fd : info.fields) {
if ((fd.access & ACC_PUBLIC) == ACC_PUBLIC) {
info.directFieldAccess = true;
}
}
return info;
}
private InsnList generateInvokeDynamicVirtualInterfaceSpecial(
String name, String owner, String desc, String bootstrapMethod) {
InsnList insnList = new InsnList();
Handle methodHandle =
new Handle(Opcodes.H_INVOKESTATIC, BOOTSTRAP_CLASS, bootstrapMethod, BOOTSTRAP_SIGNATURE);
List<Type> argsList =
new ArrayList<Type>(Arrays.asList(new Type[] {Type.getObjectType(owner)}));
argsList.addAll(Arrays.asList(Type.getArgumentTypes(desc)));
String descReceiver =
Type.getMethodDescriptor(
Type.getReturnType(desc), argsList.toArray(new Type[argsList.size()]));
insnList.add(new InvokeDynamicInsnNode(owner + "." + name, descReceiver, methodHandle, ""));
return insnList;
}
@Override
public void visitTypeInsn(int opcode, String type) {
addType(Type.getObjectType(type));
}
private void addInternalName(String name) {
addType(Type.getObjectType(name));
}
/**
* A {@link MethodVisitor} that renumbers local variables in their order of appearance. This adapter
* allows one to easily addClass new local variables to a method. It may be used by inheriting from
* this class, but the preferred way of using it is via delegation: the next visitor in the chain
* can indeed addClass new locals when needed by calling {@link #newLocal} on this adapter (this
* requires a reference back to this {@link LocalVariablesSorter}).
*
* @author Chris Nokleberg
* @author Eugene Kuleshov
* @author Eric Bruneton
*/
public class LocalVariablesSorter extends MethodVisitor {
private static final Type OBJECT_TYPE = Type.getObjectType("java/lang/Object");
/**
* Mapping from old to new local variable indexes. A local variable at index i of size 1 is
* remapped to 'mapping[2*i]', while a local variable at index i of size 2 is remapped to
* 'mapping[2*i+1]'.
*/
private int[] mapping = new int[40];
/** Array used to store stack map local variable types after remapping. */
private Object[] newLocals = new Object[20];
/** Index of the first local variable, after formal parameters. */
protected final int firstLocal;
/** Index of the next local variable to be created by {@link #newLocal}. */
protected int nextLocal;
/** Indicates if at least one local variable has moved due to remapping. */
private boolean changed;
/**
* Creates a new {@link LocalVariablesSorter}. <i>Subclasses must not use this constructor</i>.
* Instead, they must use the {@link #LocalVariablesSorter(int, int, String, MethodVisitor)}
* version.
*
* @param access access flags of the adapted method.
* @param desc the method's descriptor (see {@link Type Type}).
* @param mv the method visitor to which this adapter delegates calls.
*/
public LocalVariablesSorter(final int access, final String desc, final MethodVisitor mv) {
this(Opcodes.ASM4, access, desc, mv);
}
/**
* Creates a new {@link LocalVariablesSorter}.
*
* @param api the ASM API version implemented by this visitor. Must be one of {@link
* Opcodes#ASM4}.
* @param access access flags of the adapted method.
* @param desc the method's descriptor (see {@link Type Type}).
* @param mv the method visitor to which this adapter delegates calls.
*/
protected LocalVariablesSorter(
final int api, final int access, final String desc, final MethodVisitor mv) {
super(api, mv);
Type[] args = Type.getArgumentTypes(desc);
nextLocal = (Opcodes.ACC_STATIC & access) == 0 ? 1 : 0;
for (int i = 0; i < args.length; i++) {
nextLocal += args[i].getSize();
}
firstLocal = nextLocal;
}
@Override
public void visitVarInsn(final int opcode, final int var) {
Type type;
switch (opcode) {
case Opcodes.LLOAD:
case Opcodes.LSTORE:
type = Type.LONG_TYPE;
break;
case Opcodes.DLOAD:
case Opcodes.DSTORE:
type = Type.DOUBLE_TYPE;
break;
case Opcodes.FLOAD:
case Opcodes.FSTORE:
type = Type.FLOAT_TYPE;
break;
case Opcodes.ILOAD:
case Opcodes.ISTORE:
type = Type.INT_TYPE;
break;
default:
// case Opcodes.ALOAD:
// case Opcodes.ASTORE:
// case RET:
type = OBJECT_TYPE;
break;
}
mv.visitVarInsn(opcode, remap(var, type));
}
@Override
public void visitIincInsn(final int var, final int increment) {
mv.visitIincInsn(remap(var, Type.INT_TYPE), increment);
}
@Override
public void visitMaxs(final int maxStack, final int maxLocals) {
mv.visitMaxs(maxStack, nextLocal);
}
@Override
public void visitLocalVariable(
final String name,
final String desc,
final String signature,
final Label start,
final Label end,
final int index) {
int newIndex = remap(index, Type.getType(desc));
mv.visitLocalVariable(name, desc, signature, start, end, newIndex);
}
@Override
public void visitFrame(
final int type,
final int nLocal,
final Object[] local,
final int nStack,
final Object[] stack) {
if (type != Opcodes.F_NEW) { // uncompressed frame
throw new IllegalStateException(
"ClassReader.accept() should be called with EXPAND_FRAMES flag");
}
if (!changed) { // optimization for the case where mapping = identity
mv.visitFrame(type, nLocal, local, nStack, stack);
return;
}
// creates a copy of newLocals
Object[] oldLocals = new Object[newLocals.length];
System.arraycopy(newLocals, 0, oldLocals, 0, oldLocals.length);
updateNewLocals(newLocals);
// copies types from 'local' to 'newLocals'
// 'newLocals' already contains the variables added with 'newLocal'
int index = 0; // old local variable index
int number = 0; // old local variable number
for (; number < nLocal; ++number) {
Object t = local[number];
int size = t == Opcodes.LONG || t == Opcodes.DOUBLE ? 2 : 1;
if (t != Opcodes.TOP) {
Type typ = OBJECT_TYPE;
if (t == Opcodes.INTEGER) {
typ = Type.INT_TYPE;
} else if (t == Opcodes.FLOAT) {
typ = Type.FLOAT_TYPE;
} else if (t == Opcodes.LONG) {
typ = Type.LONG_TYPE;
} else if (t == Opcodes.DOUBLE) {
typ = Type.DOUBLE_TYPE;
} else if (t instanceof String) {
typ = Type.getObjectType((String) t);
}
setFrameLocal(remap(index, typ), t);
}
index += size;
}
// removes TOP after long and double types as well as trailing TOPs
index = 0;
number = 0;
for (int i = 0; index < newLocals.length; ++i) {
Object t = newLocals[index++];
if (t != null && t != Opcodes.TOP) {
newLocals[i] = t;
number = i + 1;
if (t == Opcodes.LONG || t == Opcodes.DOUBLE) {
index += 1;
}
} else {
newLocals[i] = Opcodes.TOP;
}
}
// visits remapped frame
mv.visitFrame(type, number, newLocals, nStack, stack);
// restores original value of 'newLocals'
newLocals = oldLocals;
}
// -------------
/**
* Creates a new local variable of the given type.
*
* @param type the type of the local variable to be created.
* @return the identifier of the newly created local variable.
*/
public int newLocal(final Type type) {
Object t;
switch (type.getSort()) {
case Type.BOOLEAN:
case Type.CHAR:
case Type.BYTE:
case Type.SHORT:
case Type.INT:
t = Opcodes.INTEGER;
break;
case Type.FLOAT:
t = Opcodes.FLOAT;
break;
case Type.LONG:
t = Opcodes.LONG;
break;
case Type.DOUBLE:
t = Opcodes.DOUBLE;
break;
case Type.ARRAY:
t = type.getDescriptor();
break;
// case Type.OBJECT:
default:
t = type.getInternalName();
break;
}
int local = newLocalMapping(type);
setLocalType(local, type);
setFrameLocal(local, t);
return local;
}
/**
* Notifies subclasses that a new stack map frame is being visited. The array argument contains
* the stack map frame types corresponding to the local variables added with {@link #newLocal}.
* This method can update these types in place for the stack map frame being visited. The default
* implementation of this method does nothing, i.e. a local variable added with {@link #newLocal}
* will have the same type in all stack map frames. But this behavior is not always the desired
* one, for instance if a local variable is added in the middle of a try/catch block: the frame
* for the exception handler should have a TOP type for this new local.
*
* @param newLocals the stack map frame types corresponding to the local variables added with
* {@link #newLocal} (and null for the others). The format of this array is the same as in
* {@link MethodVisitor#visitFrame}, except that long and double types use two slots. The
* types for the current stack map frame must be updated in place in this array.
*/
protected void updateNewLocals(Object[] newLocals) {}
/**
* Notifies subclasses that a local variable has been added or remapped. The default
* implementation of this method does nothing.
*
* @param local a local variable identifier, as returned by {@link #newLocal newLocal()}.
* @param type the type of the value being stored in the local variable.
*/
protected void setLocalType(final int local, final Type type) {}
private void setFrameLocal(final int local, final Object type) {
int l = newLocals.length;
if (local >= l) {
Object[] a = new Object[Math.max(2 * l, local + 1)];
System.arraycopy(newLocals, 0, a, 0, l);
newLocals = a;
}
newLocals[local] = type;
}
private int remap(final int var, final Type type) {
if (var + type.getSize() <= firstLocal) {
return var;
}
int key = 2 * var + type.getSize() - 1;
int size = mapping.length;
if (key >= size) {
int[] newMapping = new int[Math.max(2 * size, key + 1)];
System.arraycopy(mapping, 0, newMapping, 0, size);
mapping = newMapping;
}
int value = mapping[key];
if (value == 0) {
value = newLocalMapping(type);
setLocalType(value, type);
mapping[key] = value + 1;
} else {
value--;
}
if (value != var) {
changed = true;
}
return value;
}
protected int newLocalMapping(final Type type) {
int local = nextLocal;
nextLocal += type.getSize();
return local;
}
}
@Override
public void visitFrame(
final int type,
final int nLocal,
final Object[] local,
final int nStack,
final Object[] stack) {
if (type != Opcodes.F_NEW) { // uncompressed frame
throw new IllegalStateException(
"ClassReader.accept() should be called with EXPAND_FRAMES flag");
}
if (!changed) { // optimization for the case where mapping = identity
mv.visitFrame(type, nLocal, local, nStack, stack);
return;
}
// creates a copy of newLocals
Object[] oldLocals = new Object[newLocals.length];
System.arraycopy(newLocals, 0, oldLocals, 0, oldLocals.length);
updateNewLocals(newLocals);
// copies types from 'local' to 'newLocals'
// 'newLocals' already contains the variables added with 'newLocal'
int index = 0; // old local variable index
int number = 0; // old local variable number
for (; number < nLocal; ++number) {
Object t = local[number];
int size = t == Opcodes.LONG || t == Opcodes.DOUBLE ? 2 : 1;
if (t != Opcodes.TOP) {
Type typ = OBJECT_TYPE;
if (t == Opcodes.INTEGER) {
typ = Type.INT_TYPE;
} else if (t == Opcodes.FLOAT) {
typ = Type.FLOAT_TYPE;
} else if (t == Opcodes.LONG) {
typ = Type.LONG_TYPE;
} else if (t == Opcodes.DOUBLE) {
typ = Type.DOUBLE_TYPE;
} else if (t instanceof String) {
typ = Type.getObjectType((String) t);
}
setFrameLocal(remap(index, typ), t);
}
index += size;
}
// removes TOP after long and double types as well as trailing TOPs
index = 0;
number = 0;
for (int i = 0; index < newLocals.length; ++i) {
Object t = newLocals[index++];
if (t != null && t != Opcodes.TOP) {
newLocals[i] = t;
number = i + 1;
if (t == Opcodes.LONG || t == Opcodes.DOUBLE) {
index += 1;
}
} else {
newLocals[i] = Opcodes.TOP;
}
}
// visits remapped frame
mv.visitFrame(type, number, newLocals, nStack, stack);
// restores original value of 'newLocals'
newLocals = oldLocals;
}
void addInternalName(final String name) {
addType(Type.getObjectType(name));
}
@SuppressWarnings({"rawtypes", "unchecked"})
@Override
public BasicValue naryOperation(AbstractInsnNode insn, List rawValues) throws AnalyzerException {
final List<BasicValue> values = (List<BasicValue>) rawValues;
boolean isStatic = false;
switch (insn.getOpcode()) {
case INVOKESTATIC:
isStatic = true;
case INVOKESPECIAL:
case INVOKEVIRTUAL:
case INVOKEINTERFACE:
final MethodInsnNode method = (MethodInsnNode) insn;
String methodOwner = method.owner;
// special case: in case that class is extending tuple we need to find the class
// that contains the actual implementation to determine the tuple size
if (method.name.equals("getField") || method.name.equals("setField")) {
try {
final String newMethodOwner =
(String) findMethodNode(methodOwner, method.name, method.desc)[1];
if (newMethodOwner.startsWith("org/apache/flink/api/java/tuple/Tuple")) {
methodOwner = newMethodOwner;
}
} catch (IllegalStateException e) {
// proceed with the known method owner
}
}
// special case: collect method of Collector
if (method.name.equals("collect")
&& methodOwner.equals("org/apache/flink/util/Collector")
&& isTagged(values.get(0))
&& tagged(values.get(0)).isCollector()) {
// check for invalid return value
if (isTagged(values.get(1)) && tagged(values.get(1)).isNull()) {
analyzer.handleNullReturn();
}
// valid return value with input dependencies
else if (hasImportantDependencies(values.get(1))) {
// add a copy and a reference
// to capture the current state and future changes in alternative paths
analyzer.getCollectorValues().add(tagged(values.get(1)));
analyzer.getCollectorValues().add(tagged(values.get(1)).copy());
}
// valid return value without input dependencies
else {
analyzer.getCollectorValues().add(null);
}
}
// special case: iterator method of Iterable
else if (method.name.equals("iterator")
&& methodOwner.equals("java/lang/Iterable")
&& isTagged(values.get(0))
&& tagged(values.get(0)).isInputIterable()) {
return new TaggedValue(
Type.getObjectType("java/util/Iterator"),
(tagged(values.get(0)).isInput1Iterable())
? Tag.INPUT_1_ITERATOR
: Tag.INPUT_2_ITERATOR);
}
// special case: hasNext method of Iterator
else if (method.name.equals("hasNext")
&& methodOwner.equals("java/util/Iterator")
&& isTagged(values.get(0))
&& tagged(values.get(0)).isInputIterator()
&& !analyzer.isUdfBinary()
&& !analyzer.isIteratorTrueAssumptionApplied()) {
return new TaggedValue(Type.BOOLEAN_TYPE, Tag.ITERATOR_TRUE_ASSUMPTION);
}
// special case: next method of Iterator
else if (method.name.equals("next")
&& methodOwner.equals("java/util/Iterator")
&& isTagged(values.get(0))
&& tagged(values.get(0)).isInputIterator()) {
// after this call it is not possible to assume "TRUE" of "hasNext()" again
analyzer.applyIteratorTrueAssumption();
if (tagged(values.get(0)).isInput1Iterator()) {
return analyzer.getInput1AsTaggedValue();
} else {
return analyzer.getInput2AsTaggedValue();
}
}
// if the UDF class contains instance variables that contain input,
// we need to analyze also methods without input-dependent arguments
// special case: do not follow the getRuntimeContext method of RichFunctions
else if (!isStatic
&& isTagged(values.get(0))
&& tagged(values.get(0)).isThis()
&& hasImportantDependencies(values.get(0))
&& !isGetRuntimeContext(method)) {
TaggedValue tv = invokeNestedMethod(values, method);
if (tv != null) {
return tv;
}
}
// the arguments have input dependencies ("THIS" does not count to the arguments)
// we can assume that method has at least one argument
else if ((!isStatic
&& isTagged(values.get(0))
&& tagged(values.get(0)).isThis()
&& hasImportantDependencies(values, true))
|| (!isStatic
&& (!isTagged(values.get(0)) || !tagged(values.get(0)).isThis())
&& hasImportantDependencies(values, false))
|| (isStatic && hasImportantDependencies(values, false))) {
// special case: Java unboxing/boxing methods on input
Type newType;
if (isTagged(values.get(0))
&& tagged(values.get(0)).isInput()
&& (!isStatic && (newType = checkForUnboxing(method.name, methodOwner)) != null
|| (isStatic
&& (newType = checkForBoxing(method.name, method.desc, methodOwner))
!= null))) {
return tagged(values.get(0)).copy(newType);
}
// special case: setField method of TupleXX
else if (method.name.equals("setField")
&& methodOwner.startsWith("org/apache/flink/api/java/tuple/Tuple")
&& isTagged(values.get(0))) {
final TaggedValue tuple = tagged(values.get(0));
tuple.setTag(Tag.CONTAINER);
// check if fieldPos is constant
// if not, we can not determine a state for the tuple
if (!isTagged(values.get(2)) || !tagged(values.get(2)).isIntConstant()) {
tuple.makeRegular();
} else {
final int constant = tagged(values.get(2)).getIntConstant();
if (constant < 0 || Integer.valueOf(methodOwner.split("Tuple")[1]) <= constant) {
analyzer.handleInvalidTupleAccess();
}
// if it is at least tagged, add it anyways
if (isTagged(values.get(1))) {
tuple.addContainerMapping("f" + constant, tagged(values.get(1)), currentFrame);
}
// mark the field as it has an undefined state
else {
tuple.addContainerMapping("f" + constant, null, currentFrame);
}
}
}
// special case: getField method of TupleXX
else if (method.name.equals("getField")
&& methodOwner.startsWith("org/apache/flink/api/java/tuple/Tuple")) {
final TaggedValue tuple =
tagged(values.get(0)); // we can assume that 0 is an input dependent tuple
// constant field index
if (isTagged(values.get(1)) // constant
&& tagged(values.get(1)).isIntConstant()) {
final int constant = tagged(values.get(1)).getIntConstant();
if (constant < 0 || Integer.valueOf(methodOwner.split("Tuple")[1]) <= constant) {
analyzer.handleInvalidTupleAccess();
}
if (tuple.containerContains("f" + constant)) {
final TaggedValue tupleField = tuple.getContainerMapping().get("f" + constant);
if (tupleField != null) {
return tupleField;
}
}
}
// unknown field index
else {
// we need to make the tuple regular as we cannot track modifications of fields
tuple.makeRegular();
return new TaggedValue(Type.getObjectType("java/lang/Object"));
}
}
// nested method invocation
else {
TaggedValue tv = invokeNestedMethod(values, method);
if (tv != null) {
return tv;
}
}
}
return super.naryOperation(insn, values);
default:
// TODO support for INVOKEDYNAMIC instructions
return super.naryOperation(insn, values);
}
}
private String getInternalName(String internalName) {
return getDescriptor(Type.getObjectType(internalName));
}