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// Copyright (C) 2014 Intel Corporation. All Rights Reserved.
//
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#ifndef __SDLT_XMACRO_OPERATOR
#error must define __SDLT_XMACRO_OPERATOR to number before including this header
#endif

#ifndef __SDLT_XMACRO_OPERATOR_NAME
#error must define __SDLT_XMACRO_OPERATOR_NAME to number before including this header
#endif

#define __SDLT_OPERATOR_HELPER_NAME(SUFFIX) __SDLT_CONCATENATE_TOKENS_INDIRECT(__SDLT_XMACRO_OPERATOR_NAME,SUFFIX)

template <typename DeferredProxyT>
static SDLT_INLINE auto
__SDLT_OPERATOR_HELPER_NAME(_Proxy_Other) (const DeferredProxyT &a_proxy, const DeferredProxyT &other_proxy, int)
-> decltype(unproxy(a_proxy) __SDLT_XMACRO_OPERATOR unproxy(other_proxy))
{
    static_assert((std::is_same<ProxyT, DeferredProxyT>::value), "Illegal call of operator template type different than ProxyT");
    return unproxy(a_proxy) __SDLT_XMACRO_OPERATOR unproxy(other_proxy);
}

template <typename DeferredProxyT>
static SDLT_INLINE auto
__SDLT_OPERATOR_HELPER_NAME(_Proxy_Other) (const DeferredProxyT &a_proxy, const DeferredProxyT &other_proxy, long)
-> decltype(unproxy(a_proxy))
{
    static_assert((std::is_same<ProxyT, DeferredProxyT>::value), "Illegal call of operator template type different than ProxyT");

    // If the 2nd argument will prefer to match the int version of the function
    // above unless that version is not available due to SFINAE.
    // Now we will emit the exact same code here, however
    // the intent is to generate a compiler error with the exact
    // types and operator so that the user knows which type and operator
    // in their types that they need to go and override.
    // Much more useful than some super nested proxy object doesn't support
    // an overload.
    return unproxy(a_proxy) __SDLT_XMACRO_OPERATOR unproxy(other_proxy);
}


#undef __SDLT_OPERATOR_HELPER_NAME
#undef __SDLT_XMACRO_OPERATOR_NAME
#undef __SDLT_XMACRO_OPERATOR
