debugger visualizer for boost::string_ref.

gistfile1.txt

;------------------------------------------------------------------------------
;  boost::string_ref
;------------------------------------------------------------------------------
boost::basic_string_ref<char,*> {
    children (
        #(
            #([raw] : [$c.ptr_,!]),
            #array(expr : $c.ptr_[$i], size : $c.len_)
        )
    )
    stringview(
        #if ($c.ptr_ == 0) (
            "(nullptr)"
        ) #elif ($c.len_ == 0) (
            "(empty)"
        ) #else (
            ; Preview raw string
            [$c.ptr_,sb]

            ; ptr_ may not be null-terminated.
            ; Therefore previewing the string as array-format may be more well-mannered
            ; but it has less readability and less performance.
            ;#array(expr : $c.ptr_[$i], size : $c.len_)
        )
    )
    preview (
        #if ($c.ptr_ == 0) (
            #("(nullptr)")
        ) #elif ($c.len_ == 0) (
            #("(empty)")
        ) #else (
            #("[", $c.len_, "](", $c.ptr_, ")")
        )
    )
}

boost::basic_string_ref<unsigned short,*>|boost::basic_string_ref<wchar_t,*> {
    children (
        #(
            #([raw] : [$c.ptr_,!]),
            #array(expr : $c.ptr_[$i], size : $c.len_)
        )
    )
    stringview(
        #if ($c.ptr_ == 0) (
            "(nullptr)"
        ) #elif ($c.len_ == 0) (
            "(empty)"
        ) #else (
            ; Preview raw string
            [$c.ptr_,sb]

            ; ptr_ may not be null-terminated.
            ; Therefore previewing the string as array-format may be more well-mannered
            ; but it has less readability and less performance.
            ;#array(expr : $c.ptr_[$i], size : $c.len_)
        )
    )
    preview (
        #if ($c.ptr_ == 0) (
            #("(nullptr)")
        ) #elif ($c.len_ == 0) (
            #("(empty)")
        ) #else (
            #("[", $c.len_, "](", $c.ptr_, ")")
        )
    )
}