Free PVS-Studio for those who develops open source projects

by Andrey Karpov

Everyone who wishes, can get a free license for 1 year. To get the license, you need to:

1. Go to the page: https://www.viva64.com/en/open-source-license/
2. Enter the e-mail, where you will be sent a license key;
3. Enter the link to your GitHub/Bitbucket profile;
4. Send a request for a free license.

Boost 1.69.0

Notes for non-Windows users
The Boost build system now supports visibilities. If you are building shared libraries, they will use hidden visibility by default. As a result Boost shared libraries become smaller, load faster and have less chances to get a symbol collision.

See Boost.Build visibility and local-visibility for more info.

To disable that feature you can use use a command line ./b2 visibility=global to build...

Using multi-stage containers for C++ development

by Marc Goodner

Containers are a great tool for configuring reproducible build environments. It’s fairly easy to find Dockerfiles that provide various C++ environments. Unfortunately, it is hard to find guidance on how to use newer techniques like multi-stage builds. This post will show you how you can leverage the capabilities of multi-stage containers for your C++ development. This is relevant to anyone doing C++ development regardless what tools you are using...

AI-Assisted Code Completion Suggestions Come to C++ via IntelliCode

by Nick Uhlenhuth

After reading and writing enough code, you begin to notice certain usage patterns. For example, if a stream is open, it will eventually be closed. More interestingly, if a string is used in the context of an if-statement, it will often be to check if the string is empty or if it has a certain size. You begin to identify and use these coding patterns over time, but what if Visual Studio already knew these common patterns and could suggest them to you as you code? That’s exactly what IntelliCode does...

wxWidgets 3.1.2 Release

by wxWidgets

There have been more than 1200 commits from 75 contributors (41 with multiple contributions) since 3.1.1, which makes it difficult to summarize them in this short post. The primary focus of this release is on bug fixes (closing more than 100 bugs from wxTrac) and incremental improvements in preparation for the next stable 3.2.0 release, however there is a usual lot of new features as well, including:

Initial support for macOS 10.14 and its dark mode.
Support for non-integer font sizes and arbitrary font weights.
New wxLZMA{Input,Output}Stream classes.
Add wxDataViewToggleRenderer::ShowAsRadio(), wxDisplay::GetPPI(), wxGrid::SetCornerLabelValue(), wxHtmlEasyPrinting::SetPromptMode(), wxJoystickEvent::GetButtonOrdinal(), wxToolbook::EnablePage().

PVS-Studio: Support of MISRA C and MISRA C++ Coding Standards

by Andrey Karpov

Such diagnosis can't be applied to already existing projects developed for Windows, Linux or macOS operating systems. For example, only one rule about curly brackets described above gives 1947 warnings of the V2507 diagnostic (MISRA C 15.6, MISRA C++ 6-4-1) for a WinMerge project. Still WinMerge is a small project! In total, only 250 000 lines of code in C and C# languages.

Announcing Live Share for C++: Real-Time Sharing and Collaboration

By Nick Uhlenhuth

C++ developers using Visual Studio 2019 16.0 Preview 1 or Visual Studio Code can now use Live Share. With Live Share you can share the full context of your code, enabling collaborative editing and debugging.

Exploring Clang Tooling – Using Build Tools with clang-tidy

by Stephen Kelly

The previous series about clang-tidy on this blog covered the basics of creating a clang-tidy extension and tooling to support that in the form of clang-query.

While the series focused on single-file examples for simplicity, developers progressing in this direction will need to run the tooling on all of the files in their project at once, or on all files which match a specific pattern.

Better template support and error detection in C++ Modules with MSVC 2017 version 15.9

by Cameron DaCamara

It has been a long time since we last talked about C++ Modules. We feel it is time to revisit what has been happening under the hood of MSVC for modules.

The Visual C++ Team has been dedicated to pushing conformance to the standard with a focus on making the overall compiler implementation more robust and correct with the rejuvenation effort. This rejuvenation effort has given us the ability to substantially improve our modules implementation. We’ve mostly done this work transparently over the past few months until now. We are proud to say the work has reached a point where talking about it would hopefully provide developers with even more reasons to use C++ Modules with MSVC!

Introducing the C++ Lambda Runtime

by Chris Munns

Today, AWS Lambda announced the availability of the Runtime API. The Runtime API allows you to write your Lambda functions in any language, provided that you bundle it with your application artifact or as a Lambda layer that your application uses.

As an example of using this API and based on the customer demand, AWS is releasing a reference implementation of a C++ runtime for Lambda. This C++ runtime brings the simplicity and expressiveness of interpreted languages while maintaining the superiority of C++ performance and low memory footprint. These are benefits that align well with the event-driven, function-based, development model of Lambda applications...