コード例 #1
0
 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;
 }
コード例 #2
0
 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);
 }