Package org.apache.xbean.asm5

Examples of org.apache.xbean.asm5.MethodVisitor.visitCode()

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   * advice static init methods in correct order.
   */
  protected void makeStaticInitBlock() {
    if (wd.adviceClinits != null) {
      MethodVisitor mv = wd.dest.visitMethod(AsmUtil.ACC_STATIC, CLINIT, DESC_VOID, null, null);
      mv.visitCode();
      for (String name : wd.adviceClinits) {
        mv.visitMethodInsn(INVOKESTATIC, wd.thisReference, name, DESC_VOID);
      }
      mv.visitInsn(RETURN);
      mv.visitMaxs(0, 0);
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   * Creates init method that simply calls all advice constructor methods in correct order.
   * This created init method is called from each destination's constructor.
   */
  protected void makeProxyConstructor() {
    MethodVisitor mv = wd.dest.visitMethod(AsmUtil.ACC_PRIVATE | AsmUtil.ACC_FINAL, initMethodName, DESC_VOID, null, null);
    mv.visitCode();
    if (wd.adviceInits != null) {
      for (String name : wd.adviceInits) {
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, wd.thisReference, name, DESC_VOID);
      }
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    access &= ~ACC_NATIVE;
    access &= ~ACC_ABSTRACT;
    access = ProxettaAsmUtil.makePrivateFinalAccess(access);

    final MethodVisitor mv = wd.dest.visitMethod(access, td.methodName(), td.msign.getDescription(), null, null);
    mv.visitCode();

    //*** VISIT ADVICE - called for each aspect and each method
    aspectData.getAdviceClassReader().accept(new EmptyClassVisitor() {

      @Override
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    {
        String[] exceptionTypeNames = {Type.getType(ObjectStreamException.class).getInternalName()};
        MethodVisitor mv = cw.visitMethod(Modifier.PUBLIC, "writeReplace", "()Ljava/lang/Object;", null, exceptionTypeNames);

        // fill method body
        mv.visitCode();

        // load the contextual instance Provider
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_INSTANCE_PROVIDER, Type.getDescriptor(Provider.class));
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                superDefaultCt = classToProxy.getDeclaredConstructor(null);
            }

            final String descriptor = Type.getConstructorDescriptor(superDefaultCt);
            final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", descriptor, null, null);
            mv.visitCode();
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitMethodInsn(Opcodes.INVOKESPECIAL, parentClassFileName, "<init>", descriptor);

            // the instance provider field
            mv.visitVarInsn(Opcodes.ALOAD, 0);
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            int targetModifiers = delegatedMethod.getModifiers() & (Modifier.PROTECTED | Modifier.PUBLIC);

            MethodVisitor mv = cw.visitMethod(targetModifiers, delegatedMethod.getName(), methodDescriptor, null, exceptionTypeNames);

            // fill method body
            mv.visitCode();

            // load the contextual instance Provider
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_INSTANCE_PROVIDER, Type.getDescriptor(Provider.class));
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        // push the method definition
        int modifier = modifiers & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED);

        MethodVisitor mv = cw.visitMethod(modifier, method.getName(), Type.getMethodDescriptor(method), null, null);
        mv.visitCode();


        mv.visitVarInsn(Opcodes.ALOAD, 0);

        // add the Method from the static array as first parameter
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    {
        String[] exceptionTypeNames = {Type.getType(ObjectStreamException.class).getInternalName()};
        MethodVisitor mv = cw.visitMethod(Modifier.PUBLIC, "writeReplace", "()Ljava/lang/Object;", null, exceptionTypeNames);

        // fill method body
        mv.visitCode();

        // load the contextual instance Provider
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_INTERCEPTOR_HANDLER, Type.getDescriptor(InterceptorHandler.class));
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            throws ProxyGenerationException
    {
        // was: final String descriptor = Type.getConstructorDescriptor(classToProxy.getDeclaredConstructor());
        // but we need to get a default constructor even if the bean uses constructor injection
        final MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, classFileName, "<init>", "()V");

        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitInsn(Opcodes.ACONST_NULL);
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            int targetModifiers = modifiers & (Modifier.PROTECTED | Modifier.PUBLIC);

            MethodVisitor mv = cw.visitMethod(targetModifiers, delegatedMethod.getName(), methodDescriptor, null, exceptionTypeNames);

            // fill method body
            mv.visitCode();

            // load the delegate variable
            mv.visitVarInsn(Opcodes.ALOAD, 0);
            mv.visitFieldInsn(Opcodes.GETFIELD, proxyClassFileName, FIELD_PROXIED_INSTANCE, Type.getDescriptor(classToProxy));
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