1. dotnetConf
12/3/2018 1:48 AM
© 2016 Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

2. dotnetConf
12/3/2018 1:48 AM
The Power of Roslyn: Improving Your Productivity with Live Code Analyzers
Dustin Campbell
Principal Software Engineer
© 2016 Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

3. Agenda Roslyn Analyzers, fixers, & code-aware libraries
Overview of APIs for understanding and generating source
Introduce new IOperation API
Build analyzer/fixer with IOperation

5. Demo

6. Identify errors before compile
Enforce code style rules
Introduce best practices for SDK
Teach new language features/concepts

7. Syntax and Semantic APIs
Syntax Tree
High-fidelity representation of source code
Semantic Model
Answers semantic questions about syntax
IOperation
In-progress evolution of the Roslyn APIs
Provides semantic information
Abstracts over common syntactic shapes
Common representation for C# and VB
Syntax Generator
Can generate source code for both C# and VB

8. Let’s build something! var a = new int[0];
var a = Array.Empty<int>();

9. Demo

10. Call to Action Explore and use existing analyzers today
Try to build some!
Give us feedback on the APIs
@dcampbell
on Twitter
Any questions?

11. dotnetConf
12/3/2018 1:48 AM
© 2014 Microsoft Corporation. All rights reserved. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.