Examples of org.jboss.classfilewriter.code.CodeAttribute.returnInstruction()

Class org.jboss.classfilewriter.code.CodeAttribute

Examples of org.jboss.classfilewriter.code.CodeAttribute.returnInstruction()

org.jboss.classfilewriter.code.CodeAttribute.returnInstruction()
Adds the appropriate return instruction for the methods return type.

    private static void generateSetMethodHandlerBody(ClassMethod method) {
        final CodeAttribute b = method.getCodeAttribute();
        b.aload(0);
        b.aload(1);
        b.putfield(method.getClassFile().getName(), METHOD_HANDLER_FIELD_NAME, DescriptorUtils.classToStringRepresentation(MethodHandler.class));
        b.returnInstruction();
    }


    private static void generateGetMethodHandlerBody(ClassMethod method) {
        final CodeAttribute b = method.getCodeAttribute();
        b.aload(0);

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    private static void generateGetMethodHandlerBody(ClassMethod method) {
        final CodeAttribute b = method.getCodeAttribute();
        b.aload(0);
        b.getfield(method.getClassFile().getName(), METHOD_HANDLER_FIELD_NAME, DescriptorUtils.classToStringRepresentation(MethodHandler.class));
        b.returnInstruction();
    }




    /**
     * Adds two constructors to the class that call each other in order to bypass

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        CodeAttribute b = ctor.getCodeAttribute();
        b.aload(0);
        b.aconstNull();
        b.aconstNull();
        b.invokespecial(proxyClassType.getName(), INIT_METHOD_NAME, "(" + LJAVA_LANG_BYTE + LJAVA_LANG_BYTE + ")" + DescriptorUtils.VOID_CLASS_DESCRIPTOR);
        b.returnInstruction();


        ctor = proxyClassType.addMethod(AccessFlag.PUBLIC, INIT_METHOD_NAME, DescriptorUtils.VOID_CLASS_DESCRIPTOR, LJAVA_LANG_BYTE, LJAVA_LANG_BYTE);
        b = ctor.getCodeAttribute();
        b.aload(0);
        b.aconstNull();

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        ctor = proxyClassType.addMethod(AccessFlag.PUBLIC, INIT_METHOD_NAME, DescriptorUtils.VOID_CLASS_DESCRIPTOR, LJAVA_LANG_BYTE, LJAVA_LANG_BYTE);
        b = ctor.getCodeAttribute();
        b.aload(0);
        b.aconstNull();
        b.invokespecial(proxyClassType.getName(), INIT_METHOD_NAME, "(" + LJAVA_LANG_BYTE + ")" + DescriptorUtils.VOID_CLASS_DESCRIPTOR);
        b.returnInstruction();
    }


    public Class<?> getBeanType() {
        return beanType;
    }

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        b.dup();
        b.aload(0);
        b.getfield(proxyClassType.getName(), BEAN_ID_FIELD, BeanIdentifier.class);
        b.ldc(getContextId());
        b.invokespecial(SerializableClientProxy.class.getName(), INIT_METHOD_NAME, "(" + LBEAN_IDENTIFIER + LJAVA_LANG_STRING + ")" + DescriptorUtils.VOID_CLASS_DESCRIPTOR);
        b.returnInstruction();
    }




    /**
     * Calls methodHandler.invoke with a null method parameter in order to

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        // update the correct address to jump over the catch block
        b.branchEnd(gotoEnd);


        // if this method returns a primitive we just return
        if (method.getReturnType().isPrimitive()) {
            b.returnInstruction();
        } else {
            // otherwise we have to check that the proxy is not returning 'this;
            // now we need to check if the proxy has return 'this' and if so return
            // an
            // instance of the proxy.

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            // first we need to build up the inner conditional that just returns
            // the
            // result
            final BranchEnd returnInstruction = b.ifAcmpeq();
            b.returnInstruction();
            b.branchEnd(returnInstruction);


            // now add the case where the proxy returns 'this';
            b.aload(0);
            b.checkcast(methodInfo.getMethod().getReturnType().getName());

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            b.branchEnd(returnInstruction);


            // now add the case where the proxy returns 'this';
            b.aload(0);
            b.checkcast(methodInfo.getMethod().getReturnType().getName());
            b.returnInstruction();
        }
    }


    /**
     * If the bean is part of a well known scope then this code caches instances in a thread local for the life of the

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        // MyProxyName.class.hashCode()
        b.loadClass(proxyClassType.getName());
        // now we have the class object on top of the stack
        b.invokevirtual("java.lang.Object", HASH_CODE_METHOD, EMPTY_PARENTHESES + DescriptorUtils.INT_CLASS_DESCRIPTOR);
        // now we have the hashCode
        b.returnInstruction();
    }


    /**
     * Client proxies are equal to other client proxies for the same bean.
     * <p/>

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    protected void generateEqualsMethod(ClassFile proxyClassType) {
        ClassMethod method = proxyClassType.addMethod(AccessFlag.PUBLIC, "equals", DescriptorUtils.BOOLEAN_CLASS_DESCRIPTOR, LJAVA_LANG_OBJECT);
        CodeAttribute b = method.getCodeAttribute();
        b.aload(1);
        b.instanceofInstruction(proxyClassType.getName());
        b.returnInstruction();
    }


    @Override
    protected String getProxyNameSuffix() {
        if (useCache()) {

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