private FieldVisitor declareStaticField(ClassVisitor visitor, String name, Class<?> fieldClass) {
return visitor.visitField(
ACC_PRIVATE | ACC_FINAL | ACC_STATIC | ACC_SYNTHETIC,
name,
Type.getDescriptor(fieldClass),
null,
null);
}
private MethodVisitor declareMethod(
ClassVisitor visitor,
String methodName,
String methodDescriptor,
String methodSignature,
int access) {
MethodVisitor methodVisitor =
visitor.visitMethod(access, methodName, methodDescriptor, methodSignature, NO_EXCEPTIONS);
methodVisitor.visitCode();
return methodVisitor;
}
private void declareClass(
ClassVisitor visitor,
Collection<String> interfaceInternalNames,
Type generatedType,
Type superclassType) {
visitor.visit(
V1_6,
ACC_PUBLIC,
generatedType.getInternalName(),
null,
superclassType.getInternalName(),
Iterables.toArray(interfaceInternalNames, String.class));
}
private void writeEqualsMethod(ClassVisitor cw, Type generatedType) {
MethodVisitor methodVisitor =
cw.visitMethod(Opcodes.ACC_PUBLIC, "equals", EQUALS_METHOD_DESCRIPTOR, null, null);
methodVisitor.visitCode();
methodVisitor.visitVarInsn(ALOAD, 0);
methodVisitor.visitVarInsn(ALOAD, 1);
Label notSameLabel = new Label();
methodVisitor.visitJumpInsn(IF_ACMPNE, notSameLabel);
methodVisitor.visitInsn(ICONST_1);
methodVisitor.visitInsn(IRETURN);
methodVisitor.visitLabel(notSameLabel);
methodVisitor.visitVarInsn(ALOAD, 1);
methodVisitor.visitTypeInsn(INSTANCEOF, MANAGED_INSTANCE_TYPE);
Label notManagedInstanceLabel = new Label();
methodVisitor.visitJumpInsn(IFNE, notManagedInstanceLabel);
methodVisitor.visitInsn(ICONST_0);
methodVisitor.visitInsn(IRETURN);
methodVisitor.visitLabel(notManagedInstanceLabel);
methodVisitor.visitVarInsn(ALOAD, 0);
methodVisitor.visitMethodInsn(
INVOKEVIRTUAL,
generatedType.getInternalName(),
"getBackingNode",
GET_BACKING_NODE_METHOD_DESCRIPTOR,
false);
methodVisitor.visitVarInsn(ALOAD, 1);
methodVisitor.visitTypeInsn(CHECKCAST, MANAGED_INSTANCE_TYPE);
methodVisitor.visitMethodInsn(
INVOKEINTERFACE,
MANAGED_INSTANCE_TYPE,
"getBackingNode",
GET_BACKING_NODE_METHOD_DESCRIPTOR,
true);
methodVisitor.visitMethodInsn(
INVOKEINTERFACE, MUTABLE_MODEL_NODE_TYPE, "equals", EQUALS_METHOD_DESCRIPTOR, true);
finishVisitingMethod(methodVisitor, Opcodes.IRETURN);
}
private void declareField(ClassVisitor visitor, String name, Class<?> fieldClass) {
visitor.visitField(
ACC_PRIVATE | ACC_FINAL | ACC_SYNTHETIC, name, Type.getDescriptor(fieldClass), null, null);
}