[Development] [BB++] Now fixes all of your memory leak nightmares

Phil Bouchard philippeb8 at gmail.com
Mon Jul 24 05:41:26 CEST 2017


On 07/22/2017 12:17 AM, Phil Bouchard wrote:
> Greetings,
>
> Now I have an example showing off the cyclic reference handling. Please
> see:
> https://github.com/philippeb8/root_ptr/blob/bb++/bbpp2cpp/tests/input2.bb
>
>
> This program correctly outputs:
>
> Document::Document(const boost::node_proxy&)
> auto __0(boost::node_proxy&, int)
> 1
> Document::Document(const boost::node_proxy&)
> Document::~Document()
> 2
> Document::~Document()

I just fixed an important bug where the node_proxies were passed by 
value because of the variadic template arguments misuse; now they are 
passed by reference in the 'make_*' factory.

Furthermore you can see by yourselves the following code example works 
perfectly fine now:

class Document
{
     auto head = nullptr<Document>();
     auto tail = nullptr<Document>();

     Document() { cout << __PRETTY_FUNCTION__ << endl; }
     ~Document() { cout << __PRETTY_FUNCTION__ << endl; }

     auto foo = function (int argument) { cout << __PRETTY_FUNCTION__ << 
endl; return argument; };
};

int main()
{
     auto temporary = 1;

     auto document = new Document();
     document.foo(temporary);

     auto bar = function ()
     {
         auto document = new Document();

         // cycle
         document.head = document;

         return document;
     };

     cout << 1 << endl;
     auto result = bar().foo(temporary);
     cout << 2 << endl;
}


Correctly outputs:

Document::Document(const boost::node_proxy&)
auto __lambda0(boost::node_proxy&, int)
1
Document::Document(const boost::node_proxy&)
auto __lambda0(boost::node_proxy&, int)
2
Document::~Document()
Document::~Document()


Thank you,
-Phil




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