On 9/27/22 12:39, Jason McKesson via Std-Proposals wrote:
>
> Give us a 3 paragraph summary of what exactly you want changed in the
> C++ standard. No links, no off-ML resources. Just state plainly the
> exact thing you want changed in the C++ standard. I'm not asking for
> standardese; I'm asking for the specific thing you want the language
> to do.

What I am proposing here is to create a framework to allow the addition of:

- implicit parameters;

- implicit class members;

- implicit function variable instances;

- implicit compound statement variable instances;

- implicit file-scope static variable instances.

For "local" (non-system) files that are being compiled for a local project.


The goal is to standardize the addition of:

- deterministic memory managers (such as root_ptr:
https://github.com/philippeb8/root_ptr);

- any other alternative memory manager;

- portable backtraces;

- compile-time profilers.


For example it could add the following:

1) Class members for top-level classes (classes with no parent):

class A
{
     protected:
     boost::node_proxy & __y;

...

2) Implicit parameters and compound statement instances:

boost::root_ptr<test> foo(boost::node_proxy & __y)

{
     boost::node_proxy & __z = __y();

     {
         boost::node_proxy & __x = __y();
         boost::stack_node_proxy __y(__FILE__, __func__, __LINE__, __x());

...

3) ...


I know this works because I already tested it with the C++ Superset. But
like Sebastien was stating, this would aim the C++32 or the C++26
standards or hopefully before that.

The framework is not defined yet but that's the big idea. This would
allow to recompile legacy code correctly as well and forget about 70% of
the cybersecurity issues caused by memory bugs.


Thank you,

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