Implementing Polymorphic Callbacks for Ada/C++ Bindings Maciej - - PowerPoint PPT Presentation

▶

Mar 15, 2023 208 likes •316 views

Implementing Polymorphic Callbacks for Ada/C++ Bindings Maciej Sobczak YAMI4 Multilanguage Asynchronous Messaging Library User Programs Ada General-Purpose C++ General-Purpose Ada Core C++ Core Operating System But this is a common

SLIDE 1

Implementing Polymorphic Callbacks for Ada/C++ Bindings

Maciej Sobczak

SLIDE 2

YAMI4 – Multilanguage Asynchronous Messaging Library

Operating System C++ Core Ada General-Purpose Ada Core C++ General-Purpose User Programs

SLIDE 3

But this is a common problem!

WWW request handlers DB stored procedures Alarms GUI events

SLIDE 4

One-page problem

SLIDE 5

Callbacks anatomy

Object-Oriented Callback Object Action

SLIDE 6

Solution

C wrapper Ada translation layer C++ notifications Ada user code

SLIDE 7

Problem

C wrapper Ada translation layer C++ notifications Ada user code Object-Oriented Callback Object Action

Object pointer is created in Ada and used in Ada

SLIDE 8

Problem

C wrapper Ada translation layer C++ notifications Ada user code Object-Oriented Callback Object Action

Procedure pointer is created in Ada but used in C++

SLIDE 9

Dependencies

Ada C++

SLIDE 10