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

Class org.jboss.classfilewriter.code.CodeAttribute

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

org.jboss.classfilewriter.code.CodeAttribute.invokespecial()

            ca.getfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            // if the object has not been constructed yet invoke the superclass version of the method
            BranchEnd end = ca.ifne();
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(getSuperClassName(), method.getName(), method.getDescriptor());
            ca.returnInstruction();
            // normal invocation path begins here
            ca.branchEnd(end);
            ca.aload(0);
            ca.getfield(getClassName(), INVOCATION_HANDLER_FIELD, InvocationHandler.class);

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            ca.aload(0);
            ca.iconst(0);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.aload(0);
            ca.loadMethodParameters();
            ca.invokespecial(constructor);
            ca.aload(0);
            ca.iconst(1);
            ca.putfield(getClassName(), CONSTRUCTED_GUARD, "Z");
            ca.returnInstruction();
        }

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        public void overrideMethod(ClassMethod method, Method superclassMethod) {
            // superClassMethod will be null
            CodeAttribute ca = method.getCodeAttribute();
            ca.newInstruction(serializableProxyClass.getName());
            ca.dup();
            ca.invokespecial(serializableProxyClass.getName(), "<init>", "()V");
            ca.dup();
            ca.aload(0);
            ca.invokeinterface(SerializableProxy.class.getName(), "setProxyInstance", "(Ljava/lang/Object;)V");
            ca.returnInstruction();
        }

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    private void createDelegateToSuper(ClassMethod classMethod, MethodInformation method) {
        CodeAttribute b = classMethod.getCodeAttribute();
        // first generate the invokespecial call to the super class method
        b.aload(0);
        b.loadMethodParameters();
        b.invokespecial(classMethod.getClassFile().getSuperclass(), method.getName(), method.getDescriptor());
        b.returnInstruction();
    }


    /**
     * calls methodHandler.invoke for a given method

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            BranchEnd invokeSuperDirectly = b.ifIcmpeq();
            // now build the bytecode that invokes the super class method
            b.aload(0);
            // create the method invocation
            b.loadMethodParameters();
            b.invokespecial(methodInfo.getDeclaringClass(), methodInfo.getName(), methodInfo.getDescriptor());
            b.returnInstruction();
            b.branchEnd(invokeSuperDirectly);
        }
        b.aload(0);
        bytecodeMethodResolver.getDeclaredMethod(method, methodInfo.getDeclaringClass(), methodInfo.getName(), methodInfo.getParameterTypes(), staticConstructor);

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                localVariables = localVariables + 2;
            } else {
                localVariables++;
            }
        }
        b.invokespecial(classMethod.getClassFile().getSuperclass(), initializerMethodInfo.getName(), initializerMethodInfo.getDescriptor());
        // if this method returns a value it is now sitting on top of the stack
        // we will leave it there are return it later


        // now we need to call _initMH
        b.aload(0); // load this

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            // local variables is the number of parameters +1 for this
            // if some of the parameters are wide this may go up.
            b.aload(0);
            b.loadMethodParameters();
            // now we have the parameters on the stack
            b.invokespecial(file.getSuperclass(), initMethodName, DescriptorUtils.getMethodDescriptor(params, returnType));
            if(!useUnsafeInstantiators) {
                // now set constructed to true
                b.aload(0);
                b.iconst(1);
                b.putfield(file.getName(), ProxyFactory.CONSTRUCTED_FLAG_NAME, DescriptorUtils.BOOLEAN_CLASS_DESCRIPTOR);

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        BranchEnd jumpMarker = cond.ifne();
        // generate the invokespecial call to the super class method
        // this is run when the proxy is being constructed
        cond.aload(0);
        cond.loadMethodParameters();
        cond.invokespecial(classMethod.getClassFile().getSuperclass(), classMethod.getName(), classMethod.getDescriptor());
        cond.returnInstruction();
        cond.branchEnd(jumpMarker);
    }


    protected void createForwardingMethodBody(ClassMethod classMethod, MethodInformation method, ClassMethod staticConstructor) {

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        ClassMethod ctor = proxyClassType.addMethod(AccessFlag.PUBLIC, INIT_METHOD_NAME, DescriptorUtils.VOID_CLASS_DESCRIPTOR, LJAVA_LANG_BYTE);
        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);

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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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