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.

        // Generate the method _ids(), declared as abstract in ObjectImpl
        final String[] ids = interfaceAnalysis.getAllTypeIds();
        asm.addField(Modifier.PRIVATE + Modifier.STATIC, ID_FIELD_NAME, String[].class);
        final CodeAttribute idMethod = asm.addMethod(Modifier.PUBLIC + Modifier.FINAL, "_ids", "[Ljava/lang/String;").getCodeAttribute();
        idMethod.getstatic(stubClassName, ID_FIELD_NAME, "[Ljava/lang/String;");
        idMethod.returnInstruction();


        // Generate the static initializer
        final CodeAttribute clinit = asm.addMethod(Modifier.STATIC, "<clinit>", "V").getCodeAttribute();
        clinit.iconst(ids.length);
        clinit.anewarray(String.class.getName());

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        int n = methodIndex; // last methodIndex + 1
        for (methodIndex = 0; methodIndex < n; methodIndex++) {
            clinit.invokestatic(stubClassName, init(methodIndex), "()V");
        }
        clinit.returnInstruction();


        return asm;
    }


    /**

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                final ClassMethod method = file.addMethod(Modifier.PUBLIC, "read", "Ljava/lang/Object;", "Ljava/io/ObjectInputStream;");
                final CodeAttribute codeAttribute = method.getCodeAttribute();
                codeAttribute.aload(1);
                codeAttribute.invokevirtual("java/io/ObjectInputStream", "readObject", "()Ljava/lang/Object;");
                codeAttribute.returnInstruction();


                ClassMethod ctor = file.addMethod(Modifier.PUBLIC, "<init>", "V");
                ctor.getCodeAttribute().aload(0);
                ctor.getCodeAttribute().invokespecial(SerializationHackProxy.class.getName(), "<init>", "()V");
                ctor.getCodeAttribute().returnInstruction();

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        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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            // 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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        // lets invoke the method
        b.invokeinterface(MethodHandler.class.getName(), "invoke", "(" + LJAVA_LANG_OBJECT + LJAVA_LANG_REFLECT_METHOD + LJAVA_LANG_REFLECT_METHOD + "[" + LJAVA_LANG_OBJECT + ")" + LJAVA_LANG_OBJECT);
        if (addReturnInstruction) {
            // now we need to return the appropriate type
            if (methodInfo.getReturnType().equals(DescriptorUtils.VOID_CLASS_DESCRIPTOR)) {
                b.returnInstruction();
            } else if (DescriptorUtils.isPrimitive(methodInfo.getReturnType())) {
                Boxing.unbox(b,method.getReturnType());
                b.returnInstruction();
            } else {
                String castType = methodInfo.getReturnType();

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            // now we need to return the appropriate type
            if (methodInfo.getReturnType().equals(DescriptorUtils.VOID_CLASS_DESCRIPTOR)) {
                b.returnInstruction();
            } else if (DescriptorUtils.isPrimitive(methodInfo.getReturnType())) {
                Boxing.unbox(b,method.getReturnType());
                b.returnInstruction();
            } else {
                String castType = methodInfo.getReturnType();
                if (!methodInfo.getReturnType().startsWith("[")) {
                    castType = methodInfo.getReturnType().substring(1).substring(0, methodInfo.getReturnType().length() - 2);
                }

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                String castType = methodInfo.getReturnType();
                if (!methodInfo.getReturnType().startsWith("[")) {
                    castType = methodInfo.getReturnType().substring(1).substring(0, methodInfo.getReturnType().length() - 2);
                }
                b.checkcast(castType);
                b.returnInstruction();
            }
        }
    }


    /**

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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();
    }


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

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    }


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


    private static void generateGetTargetClassBody(ClassMethod method) {
        final CodeAttribute b = method.getCodeAttribute();
        BytecodeUtils.pushClassType(b, method.getClassFile().getSuperclass());

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