private void markEnumOrInnerConstructorParameterAsSynthetic(MethodVisitor mv, int i) {
// IDEA's ClsPsi builder fails to annotate synthetic parameters
if (state.getClassBuilderMode() == ClassBuilderMode.LIGHT_CLASSES) return;
// This is needed to avoid RuntimeInvisibleParameterAnnotations error in javac:
// see MethodWriter.visitParameterAnnotation()
AnnotationVisitor av = mv.visitParameterAnnotation(i, "Ljava/lang/Synthetic;", true);
if (av != null) {
av.visitEnd();
}
}
/**
* Handles the writing of a single annotation to an annotation visitor.
*
* @param annotationVisitor The annotation visitor the write process is to be applied on.
* @param annotation The annotation to be written.
* @param annotationValueFilter The value filter to apply for discovering which values of an
* annotation should be written.
*/
private static void handle(
AnnotationVisitor annotationVisitor,
AnnotationDescription annotation,
AnnotationValueFilter annotationValueFilter) {
for (MethodDescription.InDefinedShape methodDescription :
annotation.getAnnotationType().getDeclaredMethods()) {
if (annotationValueFilter.isRelevant(annotation, methodDescription)) {
apply(
annotationVisitor,
methodDescription.getReturnType().asErasure(),
methodDescription.getName(),
annotation.getValue(methodDescription));
}
}
annotationVisitor.visitEnd();
}
/**
* Performs the writing of a given annotation value to an annotation visitor.
*
* @param annotationVisitor The annotation visitor the write process is to be applied on.
* @param valueType The type of the annotation value.
* @param name The name of the annotation type.
* @param value The annotation's value.
*/
public static void apply(
AnnotationVisitor annotationVisitor, TypeDescription valueType, String name, Object value) {
if (valueType.isAnnotation()) {
handle(
annotationVisitor.visitAnnotation(name, valueType.getDescriptor()),
(AnnotationDescription) value,
AnnotationValueFilter.Default.APPEND_DEFAULTS);
} else if (valueType.isEnum()) {
annotationVisitor.visitEnum(
name, valueType.getDescriptor(), ((EnumerationDescription) value).getValue());
} else if (valueType.isAssignableFrom(Class.class)) {
annotationVisitor.visit(name, Type.getType(((TypeDescription) value).getDescriptor()));
} else if (valueType.isArray()) {
AnnotationVisitor arrayVisitor = annotationVisitor.visitArray(name);
int length = Array.getLength(value);
TypeDescription componentType = valueType.getComponentType();
for (int index = 0; index < length; index++) {
apply(arrayVisitor, componentType, NO_NAME, Array.get(value, index));
}
arrayVisitor.visitEnd();
} else {
annotationVisitor.visit(name, value);
}
}
/**
* Makes the given method visitor visit this method.
*
* @param mv a method visitor.
*/
public void accept(final MethodVisitor mv) {
// visits the method parameters
int i, j, n;
n = parameters == null ? 0 : parameters.size();
for (i = 0; i < n; i++) {
ParameterNode parameter = parameters.get(i);
mv.visitParameter(parameter.name, parameter.access);
}
// visits the method attributes
if (annotationDefault != null) {
AnnotationVisitor av = mv.visitAnnotationDefault();
AnnotationNode.accept(av, null, annotationDefault);
if (av != null) {
av.visitEnd();
}
}
n = visibleAnnotations == null ? 0 : visibleAnnotations.size();
for (i = 0; i < n; ++i) {
AnnotationNode an = visibleAnnotations.get(i);
an.accept(mv.visitAnnotation(an.desc, true));
}
n = invisibleAnnotations == null ? 0 : invisibleAnnotations.size();
for (i = 0; i < n; ++i) {
AnnotationNode an = invisibleAnnotations.get(i);
an.accept(mv.visitAnnotation(an.desc, false));
}
n = visibleTypeAnnotations == null ? 0 : visibleTypeAnnotations.size();
for (i = 0; i < n; ++i) {
TypeAnnotationNode an = visibleTypeAnnotations.get(i);
an.accept(mv.visitTypeAnnotation(an.typeRef, an.typePath, an.desc, true));
}
n = invisibleTypeAnnotations == null ? 0 : invisibleTypeAnnotations.size();
for (i = 0; i < n; ++i) {
TypeAnnotationNode an = invisibleTypeAnnotations.get(i);
an.accept(mv.visitTypeAnnotation(an.typeRef, an.typePath, an.desc, false));
}
n = visibleParameterAnnotations == null ? 0 : visibleParameterAnnotations.length;
for (i = 0; i < n; ++i) {
List<?> l = visibleParameterAnnotations[i];
if (l == null) {
continue;
}
for (j = 0; j < l.size(); ++j) {
AnnotationNode an = (AnnotationNode) l.get(j);
an.accept(mv.visitParameterAnnotation(i, an.desc, true));
}
}
n = invisibleParameterAnnotations == null ? 0 : invisibleParameterAnnotations.length;
for (i = 0; i < n; ++i) {
List<?> l = invisibleParameterAnnotations[i];
if (l == null) {
continue;
}
for (j = 0; j < l.size(); ++j) {
AnnotationNode an = (AnnotationNode) l.get(j);
an.accept(mv.visitParameterAnnotation(i, an.desc, false));
}
}
if (visited) {
instructions.resetLabels();
}
n = attrs == null ? 0 : attrs.size();
for (i = 0; i < n; ++i) {
mv.visitAttribute(attrs.get(i));
}
// visits the method's code
if (instructions.size() > 0) {
mv.visitCode();
// visits try catch blocks
n = tryCatchBlocks == null ? 0 : tryCatchBlocks.size();
for (i = 0; i < n; ++i) {
tryCatchBlocks.get(i).updateIndex(i);
tryCatchBlocks.get(i).accept(mv);
}
// visits instructions
instructions.accept(mv);
// visits local variables
n = localVariables == null ? 0 : localVariables.size();
for (i = 0; i < n; ++i) {
localVariables.get(i).accept(mv);
}
// visits local variable annotations
n = visibleLocalVariableAnnotations == null ? 0 : visibleLocalVariableAnnotations.size();
for (i = 0; i < n; ++i) {
visibleLocalVariableAnnotations.get(i).accept(mv, true);
}
n = invisibleLocalVariableAnnotations == null ? 0 : invisibleLocalVariableAnnotations.size();
for (i = 0; i < n; ++i) {
invisibleLocalVariableAnnotations.get(i).accept(mv, false);
}
// visits maxs
mv.visitMaxs(maxStack, maxLocals);
visited = true;
}
mv.visitEnd();
}